diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211')
88 files changed, 20516 insertions, 12769 deletions
diff --git a/drivers/net/wireless/brcm80211/Kconfig b/drivers/net/wireless/brcm80211/Kconfig index c9d811eb655..fcfed6b99a6 100644 --- a/drivers/net/wireless/brcm80211/Kconfig +++ b/drivers/net/wireless/brcm80211/Kconfig @@ -4,16 +4,18 @@ config BRCMUTIL config BRCMSMAC tristate "Broadcom IEEE802.11n PCIe SoftMAC WLAN driver" depends on MAC80211 - depends on BCMA + depends on BCMA_POSSIBLE + select BCMA + select NEW_LEDS if BCMA_DRIVER_GPIO + select LEDS_CLASS if BCMA_DRIVER_GPIO select BRCMUTIL select FW_LOADER - select CRC_CCITT - select CRC8 select CORDIC ---help--- This module adds support for PCIe wireless adapters based on Broadcom - IEEE802.11n SoftMAC chipsets. If you choose to build a module, it'll - be called brcmsmac.ko. + IEEE802.11n SoftMAC chipsets. It also has WLAN led support, which will + be available if you select BCMA_DRIVER_GPIO. If you choose to build a + module, the driver will be called brcmsmac.ko. config BRCMFMAC tristate "Broadcom IEEE802.11n embedded FullMAC WLAN driver" @@ -27,7 +29,7 @@ config BRCMFMAC config BRCMFMAC_SDIO bool "SDIO bus interface support for FullMAC driver" - depends on MMC + depends on (MMC = y || MMC = BRCMFMAC) depends on BRCMFMAC select FW_LOADER default y @@ -36,18 +38,9 @@ config BRCMFMAC_SDIO IEEE802.11n embedded FullMAC WLAN driver. Say Y if you want to use the driver for a SDIO wireless card. -config BRCMFMAC_SDIO_OOB - bool "Out of band interrupt support for SDIO interface chipset" - depends on BRCMFMAC_SDIO - ---help--- - This option enables out-of-band interrupt support for Broadcom - SDIO Wifi chipset using fullmac in order to gain better - performance and deep sleep wake up capability on certain - platforms. Say N if you are unsure. - config BRCMFMAC_USB bool "USB bus interface support for FullMAC driver" - depends on USB + depends on (USB = y || USB = BRCMFMAC) depends on BRCMFMAC select FW_LOADER ---help--- @@ -55,13 +48,16 @@ config BRCMFMAC_USB IEEE802.11n embedded FullMAC WLAN driver. Say Y if you want to use the driver for an USB wireless card. -config BRCMISCAN - bool "Broadcom I-Scan (OBSOLETE)" - depends on BRCMFMAC +config BRCM_TRACING + bool "Broadcom device tracing" + depends on BRCMSMAC || BRCMFMAC ---help--- - This option enables the I-Scan method. By default fullmac uses the - new E-Scan method which uses less memory in firmware and gives no - limitation on the number of scan results. + If you say Y here, the Broadcom wireless drivers will register + with ftrace to dump event information into the trace ringbuffer. + Tracing can be enabled at runtime to aid in debugging wireless + issues. This option adds a small amount of overhead when tracing + is disabled. If unsure, say Y to allow developers to better help + you when wireless problems occur. config BRCMDBG bool "Broadcom driver debug functions" diff --git a/drivers/net/wireless/brcm80211/brcmfmac/Makefile b/drivers/net/wireless/brcm80211/brcmfmac/Makefile index 9d5170b6df5..98e67c18f27 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/Makefile +++ b/drivers/net/wireless/brcm80211/brcmfmac/Makefile @@ -24,15 +24,23 @@ ccflags-y += -D__CHECK_ENDIAN__ obj-$(CONFIG_BRCMFMAC) += brcmfmac.o brcmfmac-objs += \ wl_cfg80211.o \ - dhd_cdc.o \ + chip.o \ + fwil.o \ + fweh.o \ + fwsignal.o \ + p2p.o \ + proto.o \ + bcdc.o \ dhd_common.o \ - dhd_linux.o + dhd_linux.o \ + firmware.o \ + btcoex.o brcmfmac-$(CONFIG_BRCMFMAC_SDIO) += \ dhd_sdio.o \ - bcmsdh.o \ - bcmsdh_sdmmc.o \ - sdio_chip.o + bcmsdh.o brcmfmac-$(CONFIG_BRCMFMAC_USB) += \ usb.o brcmfmac-$(CONFIG_BRCMDBG) += \ - dhd_dbg.o
\ No newline at end of file + dhd_dbg.o +brcmfmac-$(CONFIG_BRCM_TRACING) += \ + tracepoint.o diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c new file mode 100644 index 00000000000..c229210d50b --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c @@ -0,0 +1,375 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/******************************************************************************* + * Communicates with the dongle by using dcmd codes. + * For certain dcmd codes, the dongle interprets string data from the host. + ******************************************************************************/ + +#include <linux/types.h> +#include <linux/netdevice.h> + +#include <brcmu_utils.h> +#include <brcmu_wifi.h> + +#include "dhd.h" +#include "dhd_bus.h" +#include "fwsignal.h" +#include "dhd_dbg.h" +#include "tracepoint.h" +#include "proto.h" +#include "bcdc.h" + +struct brcmf_proto_bcdc_dcmd { + __le32 cmd; /* dongle command value */ + __le32 len; /* lower 16: output buflen; + * upper 16: input buflen (excludes header) */ + __le32 flags; /* flag defns given below */ + __le32 status; /* status code returned from the device */ +}; + +/* BCDC flag definitions */ +#define BCDC_DCMD_ERROR 0x01 /* 1=cmd failed */ +#define BCDC_DCMD_SET 0x02 /* 0=get, 1=set cmd */ +#define BCDC_DCMD_IF_MASK 0xF000 /* I/F index */ +#define BCDC_DCMD_IF_SHIFT 12 +#define BCDC_DCMD_ID_MASK 0xFFFF0000 /* id an cmd pairing */ +#define BCDC_DCMD_ID_SHIFT 16 /* ID Mask shift bits */ +#define BCDC_DCMD_ID(flags) \ + (((flags) & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT) + +/* + * BCDC header - Broadcom specific extension of CDC. + * Used on data packets to convey priority across USB. + */ +#define BCDC_HEADER_LEN 4 +#define BCDC_PROTO_VER 2 /* Protocol version */ +#define BCDC_FLAG_VER_MASK 0xf0 /* Protocol version mask */ +#define BCDC_FLAG_VER_SHIFT 4 /* Protocol version shift */ +#define BCDC_FLAG_SUM_GOOD 0x04 /* Good RX checksums */ +#define BCDC_FLAG_SUM_NEEDED 0x08 /* Dongle needs to do TX checksums */ +#define BCDC_PRIORITY_MASK 0x7 +#define BCDC_FLAG2_IF_MASK 0x0f /* packet rx interface in APSTA */ +#define BCDC_FLAG2_IF_SHIFT 0 + +#define BCDC_GET_IF_IDX(hdr) \ + ((int)((((hdr)->flags2) & BCDC_FLAG2_IF_MASK) >> BCDC_FLAG2_IF_SHIFT)) +#define BCDC_SET_IF_IDX(hdr, idx) \ + ((hdr)->flags2 = (((hdr)->flags2 & ~BCDC_FLAG2_IF_MASK) | \ + ((idx) << BCDC_FLAG2_IF_SHIFT))) + +/** + * struct brcmf_proto_bcdc_header - BCDC header format + * + * @flags: flags contain protocol and checksum info. + * @priority: 802.1d priority and USB flow control info (bit 4:7). + * @flags2: additional flags containing dongle interface index. + * @data_offset: start of packet data. header is following by firmware signals. + */ +struct brcmf_proto_bcdc_header { + u8 flags; + u8 priority; + u8 flags2; + u8 data_offset; +}; + +/* + * maximum length of firmware signal data between + * the BCDC header and packet data in the tx path. + */ +#define BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES 12 + +#define RETRIES 2 /* # of retries to retrieve matching dcmd response */ +#define BUS_HEADER_LEN (16+64) /* Must be atleast SDPCM_RESERVE + * (amount of header tha might be added) + * plus any space that might be needed + * for bus alignment padding. + */ +struct brcmf_bcdc { + u16 reqid; + u8 bus_header[BUS_HEADER_LEN]; + struct brcmf_proto_bcdc_dcmd msg; + unsigned char buf[BRCMF_DCMD_MAXLEN]; +}; + + +static int +brcmf_proto_bcdc_msg(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf, + uint len, bool set) +{ + struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; + struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg; + u32 flags; + + brcmf_dbg(BCDC, "Enter\n"); + + memset(msg, 0, sizeof(struct brcmf_proto_bcdc_dcmd)); + + msg->cmd = cpu_to_le32(cmd); + msg->len = cpu_to_le32(len); + flags = (++bcdc->reqid << BCDC_DCMD_ID_SHIFT); + if (set) + flags |= BCDC_DCMD_SET; + flags = (flags & ~BCDC_DCMD_IF_MASK) | + (ifidx << BCDC_DCMD_IF_SHIFT); + msg->flags = cpu_to_le32(flags); + + if (buf) + memcpy(bcdc->buf, buf, len); + + len += sizeof(*msg); + if (len > BRCMF_TX_IOCTL_MAX_MSG_SIZE) + len = BRCMF_TX_IOCTL_MAX_MSG_SIZE; + + /* Send request */ + return brcmf_bus_txctl(drvr->bus_if, (unsigned char *)&bcdc->msg, len); +} + +static int brcmf_proto_bcdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len) +{ + int ret; + struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; + + brcmf_dbg(BCDC, "Enter\n"); + len += sizeof(struct brcmf_proto_bcdc_dcmd); + do { + ret = brcmf_bus_rxctl(drvr->bus_if, (unsigned char *)&bcdc->msg, + len); + if (ret < 0) + break; + } while (BCDC_DCMD_ID(le32_to_cpu(bcdc->msg.flags)) != id); + + return ret; +} + +static int +brcmf_proto_bcdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd, + void *buf, uint len) +{ + struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; + struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg; + void *info; + int ret = 0, retries = 0; + u32 id, flags; + + brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len); + + ret = brcmf_proto_bcdc_msg(drvr, ifidx, cmd, buf, len, false); + if (ret < 0) { + brcmf_err("brcmf_proto_bcdc_msg failed w/status %d\n", + ret); + goto done; + } + +retry: + /* wait for interrupt and get first fragment */ + ret = brcmf_proto_bcdc_cmplt(drvr, bcdc->reqid, len); + if (ret < 0) + goto done; + + flags = le32_to_cpu(msg->flags); + id = (flags & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT; + + if ((id < bcdc->reqid) && (++retries < RETRIES)) + goto retry; + if (id != bcdc->reqid) { + brcmf_err("%s: unexpected request id %d (expected %d)\n", + brcmf_ifname(drvr, ifidx), id, bcdc->reqid); + ret = -EINVAL; + goto done; + } + + /* Check info buffer */ + info = (void *)&msg[1]; + + /* Copy info buffer */ + if (buf) { + if (ret < (int)len) + len = ret; + memcpy(buf, info, len); + } + + /* Check the ERROR flag */ + if (flags & BCDC_DCMD_ERROR) + ret = le32_to_cpu(msg->status); + +done: + return ret; +} + +static int +brcmf_proto_bcdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd, + void *buf, uint len) +{ + struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; + struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg; + int ret = 0; + u32 flags, id; + + brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len); + + ret = brcmf_proto_bcdc_msg(drvr, ifidx, cmd, buf, len, true); + if (ret < 0) + goto done; + + ret = brcmf_proto_bcdc_cmplt(drvr, bcdc->reqid, len); + if (ret < 0) + goto done; + + flags = le32_to_cpu(msg->flags); + id = (flags & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT; + + if (id != bcdc->reqid) { + brcmf_err("%s: unexpected request id %d (expected %d)\n", + brcmf_ifname(drvr, ifidx), id, bcdc->reqid); + ret = -EINVAL; + goto done; + } + + /* Check the ERROR flag */ + if (flags & BCDC_DCMD_ERROR) + ret = le32_to_cpu(msg->status); + +done: + return ret; +} + +static void +brcmf_proto_bcdc_hdrpush(struct brcmf_pub *drvr, int ifidx, u8 offset, + struct sk_buff *pktbuf) +{ + struct brcmf_proto_bcdc_header *h; + + brcmf_dbg(BCDC, "Enter\n"); + + /* Push BDC header used to convey priority for buses that don't */ + skb_push(pktbuf, BCDC_HEADER_LEN); + + h = (struct brcmf_proto_bcdc_header *)(pktbuf->data); + + h->flags = (BCDC_PROTO_VER << BCDC_FLAG_VER_SHIFT); + if (pktbuf->ip_summed == CHECKSUM_PARTIAL) + h->flags |= BCDC_FLAG_SUM_NEEDED; + + h->priority = (pktbuf->priority & BCDC_PRIORITY_MASK); + h->flags2 = 0; + h->data_offset = offset; + BCDC_SET_IF_IDX(h, ifidx); + trace_brcmf_bcdchdr(pktbuf->data); +} + +static int +brcmf_proto_bcdc_hdrpull(struct brcmf_pub *drvr, bool do_fws, u8 *ifidx, + struct sk_buff *pktbuf) +{ + struct brcmf_proto_bcdc_header *h; + + brcmf_dbg(BCDC, "Enter\n"); + + /* Pop BCDC header used to convey priority for buses that don't */ + if (pktbuf->len <= BCDC_HEADER_LEN) { + brcmf_dbg(INFO, "rx data too short (%d <= %d)\n", + pktbuf->len, BCDC_HEADER_LEN); + return -EBADE; + } + + trace_brcmf_bcdchdr(pktbuf->data); + h = (struct brcmf_proto_bcdc_header *)(pktbuf->data); + + *ifidx = BCDC_GET_IF_IDX(h); + if (*ifidx >= BRCMF_MAX_IFS) { + brcmf_err("rx data ifnum out of range (%d)\n", *ifidx); + return -EBADE; + } + /* The ifidx is the idx to map to matching netdev/ifp. When receiving + * events this is easy because it contains the bssidx which maps + * 1-on-1 to the netdev/ifp. But for data frames the ifidx is rcvd. + * bssidx 1 is used for p2p0 and no data can be received or + * transmitted on it. Therefor bssidx is ifidx + 1 if ifidx > 0 + */ + if (*ifidx) + (*ifidx)++; + + if (((h->flags & BCDC_FLAG_VER_MASK) >> BCDC_FLAG_VER_SHIFT) != + BCDC_PROTO_VER) { + brcmf_err("%s: non-BCDC packet received, flags 0x%x\n", + brcmf_ifname(drvr, *ifidx), h->flags); + return -EBADE; + } + + if (h->flags & BCDC_FLAG_SUM_GOOD) { + brcmf_dbg(BCDC, "%s: BDC rcv, good checksum, flags 0x%x\n", + brcmf_ifname(drvr, *ifidx), h->flags); + pktbuf->ip_summed = CHECKSUM_UNNECESSARY; + } + + pktbuf->priority = h->priority & BCDC_PRIORITY_MASK; + + skb_pull(pktbuf, BCDC_HEADER_LEN); + if (do_fws) + brcmf_fws_hdrpull(drvr, *ifidx, h->data_offset << 2, pktbuf); + else + skb_pull(pktbuf, h->data_offset << 2); + + if (pktbuf->len == 0) + return -ENODATA; + return 0; +} + +static int +brcmf_proto_bcdc_txdata(struct brcmf_pub *drvr, int ifidx, u8 offset, + struct sk_buff *pktbuf) +{ + brcmf_proto_bcdc_hdrpush(drvr, ifidx, offset, pktbuf); + return brcmf_bus_txdata(drvr->bus_if, pktbuf); +} + + +int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr) +{ + struct brcmf_bcdc *bcdc; + + bcdc = kzalloc(sizeof(*bcdc), GFP_ATOMIC); + if (!bcdc) + goto fail; + + /* ensure that the msg buf directly follows the cdc msg struct */ + if ((unsigned long)(&bcdc->msg + 1) != (unsigned long)bcdc->buf) { + brcmf_err("struct brcmf_proto_bcdc is not correctly defined\n"); + goto fail; + } + + drvr->proto->hdrpull = brcmf_proto_bcdc_hdrpull; + drvr->proto->query_dcmd = brcmf_proto_bcdc_query_dcmd; + drvr->proto->set_dcmd = brcmf_proto_bcdc_set_dcmd; + drvr->proto->txdata = brcmf_proto_bcdc_txdata; + drvr->proto->pd = bcdc; + + drvr->hdrlen += BCDC_HEADER_LEN + BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES; + drvr->bus_if->maxctl = BRCMF_DCMD_MAXLEN + + sizeof(struct brcmf_proto_bcdc_dcmd); + return 0; + +fail: + kfree(bcdc); + return -ENOMEM; +} + +void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr) +{ + kfree(drvr->proto->pd); + drvr->proto->pd = NULL; +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcdc.h b/drivers/net/wireless/brcm80211/brcmfmac/bcdc.h new file mode 100644 index 00000000000..17e8c039ff3 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcdc.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef BRCMFMAC_BCDC_H +#define BRCMFMAC_BCDC_H + + +int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr); +void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr); + + +#endif /* BRCMFMAC_BCDC_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c index 3b2c4c20e7f..a16e644e7c0 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c @@ -15,18 +15,25 @@ */ /* ****************** SDIO CARD Interface Functions **************************/ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/types.h> #include <linux/netdevice.h> -#include <linux/export.h> #include <linux/pci.h> #include <linux/pci_ids.h> #include <linux/sched.h> #include <linux/completion.h> +#include <linux/scatterlist.h> #include <linux/mmc/sdio.h> +#include <linux/mmc/core.h> #include <linux/mmc/sdio_func.h> +#include <linux/mmc/sdio_ids.h> #include <linux/mmc/card.h> +#include <linux/mmc/host.h> +#include <linux/platform_device.h> +#include <linux/platform_data/brcmfmac-sdio.h> +#include <linux/suspend.h> +#include <linux/errno.h> +#include <linux/module.h> +#include <net/cfg80211.h> #include <defs.h> #include <brcm_hw_ids.h> @@ -39,15 +46,28 @@ #define SDIOH_API_ACCESS_RETRY_LIMIT 2 -#ifdef CONFIG_BRCMFMAC_SDIO_OOB -static irqreturn_t brcmf_sdio_irqhandler(int irq, void *dev_id) +#define DMA_ALIGN_MASK 0x03 + +#define SDIO_FUNC1_BLOCKSIZE 64 +#define SDIO_FUNC2_BLOCKSIZE 512 +/* Maximum milliseconds to wait for F2 to come up */ +#define SDIO_WAIT_F2RDY 3000 + +#define BRCMF_DEFAULT_TXGLOM_SIZE 32 /* max tx frames in glom chain */ +#define BRCMF_DEFAULT_RXGLOM_SIZE 32 /* max rx frames in glom chain */ + +static int brcmf_sdiod_txglomsz = BRCMF_DEFAULT_TXGLOM_SIZE; +module_param_named(txglomsz, brcmf_sdiod_txglomsz, int, 0); +MODULE_PARM_DESC(txglomsz, "maximum tx packet chain size [SDIO]"); + +static irqreturn_t brcmf_sdiod_oob_irqhandler(int irq, void *dev_id) { - struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(dev_id); + struct brcmf_bus *bus_if = dev_get_drvdata(dev_id); + struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - brcmf_dbg(INTR, "oob intr triggered\n"); + brcmf_dbg(INTR, "OOB intr triggered\n"); - /* - * out-of-band interrupt is level-triggered which won't + /* out-of-band interrupt is level-triggered which won't * be cleared until dpc */ if (sdiodev->irq_en) { @@ -55,128 +75,276 @@ static irqreturn_t brcmf_sdio_irqhandler(int irq, void *dev_id) sdiodev->irq_en = false; } - brcmf_sdbrcm_isr(sdiodev->bus); + brcmf_sdio_isr(sdiodev->bus); return IRQ_HANDLED; } -int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev) +static void brcmf_sdiod_ib_irqhandler(struct sdio_func *func) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(&func->dev); + struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + + brcmf_dbg(INTR, "IB intr triggered\n"); + + brcmf_sdio_isr(sdiodev->bus); +} + +/* dummy handler for SDIO function 2 interrupt */ +static void brcmf_sdiod_dummy_irqhandler(struct sdio_func *func) +{ +} + +static bool brcmf_sdiod_pm_resume_error(struct brcmf_sdio_dev *sdiodev) +{ + bool is_err = false; +#ifdef CONFIG_PM_SLEEP + is_err = atomic_read(&sdiodev->suspend); +#endif + return is_err; +} + +static void brcmf_sdiod_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, + wait_queue_head_t *wq) +{ +#ifdef CONFIG_PM_SLEEP + int retry = 0; + while (atomic_read(&sdiodev->suspend) && retry++ != 30) + wait_event_timeout(*wq, false, HZ/100); +#endif +} + +int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev) { int ret = 0; u8 data; unsigned long flags; - brcmf_dbg(TRACE, "Entering\n"); + if ((sdiodev->pdata) && (sdiodev->pdata->oob_irq_supported)) { + brcmf_dbg(SDIO, "Enter, register OOB IRQ %d\n", + sdiodev->pdata->oob_irq_nr); + ret = request_irq(sdiodev->pdata->oob_irq_nr, + brcmf_sdiod_oob_irqhandler, + sdiodev->pdata->oob_irq_flags, + "brcmf_oob_intr", + &sdiodev->func[1]->dev); + if (ret != 0) { + brcmf_err("request_irq failed %d\n", ret); + return ret; + } + sdiodev->oob_irq_requested = true; + spin_lock_init(&sdiodev->irq_en_lock); + spin_lock_irqsave(&sdiodev->irq_en_lock, flags); + sdiodev->irq_en = true; + spin_unlock_irqrestore(&sdiodev->irq_en_lock, flags); + + ret = enable_irq_wake(sdiodev->pdata->oob_irq_nr); + if (ret != 0) { + brcmf_err("enable_irq_wake failed %d\n", ret); + return ret; + } + sdiodev->irq_wake = true; - brcmf_dbg(ERROR, "requesting irq %d\n", sdiodev->irq); - ret = request_irq(sdiodev->irq, brcmf_sdio_irqhandler, - sdiodev->irq_flags, "brcmf_oob_intr", - &sdiodev->func[1]->card->dev); - if (ret != 0) - return ret; - spin_lock_init(&sdiodev->irq_en_lock); - spin_lock_irqsave(&sdiodev->irq_en_lock, flags); - sdiodev->irq_en = true; - spin_unlock_irqrestore(&sdiodev->irq_en_lock, flags); + sdio_claim_host(sdiodev->func[1]); - ret = enable_irq_wake(sdiodev->irq); - if (ret != 0) - return ret; - sdiodev->irq_wake = true; + /* must configure SDIO_CCCR_IENx to enable irq */ + data = brcmf_sdiod_regrb(sdiodev, SDIO_CCCR_IENx, &ret); + data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1; + brcmf_sdiod_regwb(sdiodev, SDIO_CCCR_IENx, data, &ret); - /* must configure SDIO_CCCR_IENx to enable irq */ - data = brcmf_sdio_regrb(sdiodev, SDIO_CCCR_IENx, &ret); - data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1; - brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, data, &ret); + /* redirect, configure and enable io for interrupt signal */ + data = SDIO_SEPINT_MASK | SDIO_SEPINT_OE; + if (sdiodev->pdata->oob_irq_flags & IRQF_TRIGGER_HIGH) + data |= SDIO_SEPINT_ACT_HI; + brcmf_sdiod_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret); - /* redirect, configure and enable io for interrupt signal */ - data = SDIO_SEPINT_MASK | SDIO_SEPINT_OE; - if (sdiodev->irq_flags & IRQF_TRIGGER_HIGH) - data |= SDIO_SEPINT_ACT_HI; - brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret); + sdio_release_host(sdiodev->func[1]); + } else { + brcmf_dbg(SDIO, "Entering\n"); + sdio_claim_host(sdiodev->func[1]); + sdio_claim_irq(sdiodev->func[1], brcmf_sdiod_ib_irqhandler); + sdio_claim_irq(sdiodev->func[2], brcmf_sdiod_dummy_irqhandler); + sdio_release_host(sdiodev->func[1]); + } return 0; } -int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev) +int brcmf_sdiod_intr_unregister(struct brcmf_sdio_dev *sdiodev) { - brcmf_dbg(TRACE, "Entering\n"); - - brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, 0, NULL); - brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, 0, NULL); - - if (sdiodev->irq_wake) { - disable_irq_wake(sdiodev->irq); - sdiodev->irq_wake = false; + brcmf_dbg(SDIO, "Entering\n"); + + if ((sdiodev->pdata) && (sdiodev->pdata->oob_irq_supported)) { + sdio_claim_host(sdiodev->func[1]); + brcmf_sdiod_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, 0, NULL); + brcmf_sdiod_regwb(sdiodev, SDIO_CCCR_IENx, 0, NULL); + sdio_release_host(sdiodev->func[1]); + + if (sdiodev->oob_irq_requested) { + sdiodev->oob_irq_requested = false; + if (sdiodev->irq_wake) { + disable_irq_wake(sdiodev->pdata->oob_irq_nr); + sdiodev->irq_wake = false; + } + free_irq(sdiodev->pdata->oob_irq_nr, + &sdiodev->func[1]->dev); + sdiodev->irq_en = false; + } + } else { + sdio_claim_host(sdiodev->func[1]); + sdio_release_irq(sdiodev->func[2]); + sdio_release_irq(sdiodev->func[1]); + sdio_release_host(sdiodev->func[1]); } - free_irq(sdiodev->irq, &sdiodev->func[1]->card->dev); - sdiodev->irq_en = false; return 0; } -#else /* CONFIG_BRCMFMAC_SDIO_OOB */ -static void brcmf_sdio_irqhandler(struct sdio_func *func) + +static inline int brcmf_sdiod_f0_writeb(struct sdio_func *func, + uint regaddr, u8 byte) { - struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(&func->card->dev); + int err_ret; - brcmf_dbg(INTR, "ib intr triggered\n"); + /* + * Can only directly write to some F0 registers. + * Handle CCCR_IENx and CCCR_ABORT command + * as a special case. + */ + if ((regaddr == SDIO_CCCR_ABORT) || + (regaddr == SDIO_CCCR_IENx)) + sdio_writeb(func, byte, regaddr, &err_ret); + else + sdio_f0_writeb(func, byte, regaddr, &err_ret); - brcmf_sdbrcm_isr(sdiodev->bus); + return err_ret; } -/* dummy handler for SDIO function 2 interrupt */ -static void brcmf_sdio_dummy_irqhandler(struct sdio_func *func) +static int brcmf_sdiod_request_data(struct brcmf_sdio_dev *sdiodev, u8 fn, + u32 addr, u8 regsz, void *data, bool write) { -} + struct sdio_func *func; + int ret; -int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev) -{ - brcmf_dbg(TRACE, "Entering\n"); + brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n", + write, fn, addr, regsz); - sdio_claim_host(sdiodev->func[1]); - sdio_claim_irq(sdiodev->func[1], brcmf_sdio_irqhandler); - sdio_claim_irq(sdiodev->func[2], brcmf_sdio_dummy_irqhandler); - sdio_release_host(sdiodev->func[1]); + brcmf_sdiod_pm_resume_wait(sdiodev, &sdiodev->request_word_wait); + if (brcmf_sdiod_pm_resume_error(sdiodev)) + return -EIO; - return 0; + /* only allow byte access on F0 */ + if (WARN_ON(regsz > 1 && !fn)) + return -EINVAL; + func = sdiodev->func[fn]; + + switch (regsz) { + case sizeof(u8): + if (write) { + if (fn) + sdio_writeb(func, *(u8 *)data, addr, &ret); + else + ret = brcmf_sdiod_f0_writeb(func, addr, + *(u8 *)data); + } else { + if (fn) + *(u8 *)data = sdio_readb(func, addr, &ret); + else + *(u8 *)data = sdio_f0_readb(func, addr, &ret); + } + break; + case sizeof(u16): + if (write) + sdio_writew(func, *(u16 *)data, addr, &ret); + else + *(u16 *)data = sdio_readw(func, addr, &ret); + break; + case sizeof(u32): + if (write) + sdio_writel(func, *(u32 *)data, addr, &ret); + else + *(u32 *)data = sdio_readl(func, addr, &ret); + break; + default: + brcmf_err("invalid size: %d\n", regsz); + break; + } + + if (ret) + brcmf_dbg(SDIO, "failed to %s data F%d@0x%05x, err: %d\n", + write ? "write" : "read", fn, addr, ret); + + return ret; } -int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev) +static int brcmf_sdiod_regrw_helper(struct brcmf_sdio_dev *sdiodev, u32 addr, + u8 regsz, void *data, bool write) { - brcmf_dbg(TRACE, "Entering\n"); + u8 func; + s32 retry = 0; + int ret; - sdio_claim_host(sdiodev->func[1]); - sdio_release_irq(sdiodev->func[2]); - sdio_release_irq(sdiodev->func[1]); - sdio_release_host(sdiodev->func[1]); + if (sdiodev->bus_if->state == BRCMF_BUS_NOMEDIUM) + return -ENOMEDIUM; - return 0; + /* + * figure out how to read the register based on address range + * 0x00 ~ 0x7FF: function 0 CCCR and FBR + * 0x10000 ~ 0x1FFFF: function 1 miscellaneous registers + * The rest: function 1 silicon backplane core registers + */ + if ((addr & ~REG_F0_REG_MASK) == 0) + func = SDIO_FUNC_0; + else + func = SDIO_FUNC_1; + + do { + if (!write) + memset(data, 0, regsz); + /* for retry wait for 1 ms till bus get settled down */ + if (retry) + usleep_range(1000, 2000); + ret = brcmf_sdiod_request_data(sdiodev, func, addr, regsz, + data, write); + } while (ret != 0 && ret != -ENOMEDIUM && + retry++ < SDIOH_API_ACCESS_RETRY_LIMIT); + + if (ret == -ENOMEDIUM) + brcmf_bus_change_state(sdiodev->bus_if, BRCMF_BUS_NOMEDIUM); + else if (ret != 0) { + /* + * SleepCSR register access can fail when + * waking up the device so reduce this noise + * in the logs. + */ + if (addr != SBSDIO_FUNC1_SLEEPCSR) + brcmf_err("failed to %s data F%d@0x%05x, err: %d\n", + write ? "write" : "read", func, addr, ret); + else + brcmf_dbg(SDIO, "failed to %s data F%d@0x%05x, err: %d\n", + write ? "write" : "read", func, addr, ret); + } + return ret; } -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ -int -brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address) +static int +brcmf_sdiod_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address) { int err = 0, i; u8 addr[3]; - s32 retry; + + if (sdiodev->bus_if->state == BRCMF_BUS_NOMEDIUM) + return -ENOMEDIUM; addr[0] = (address >> 8) & SBSDIO_SBADDRLOW_MASK; addr[1] = (address >> 16) & SBSDIO_SBADDRMID_MASK; addr[2] = (address >> 24) & SBSDIO_SBADDRHIGH_MASK; for (i = 0; i < 3; i++) { - retry = 0; - do { - if (retry) - usleep_range(1000, 2000); - err = brcmf_sdioh_request_byte(sdiodev, SDIOH_WRITE, - SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW + i, - &addr[i]); - } while (err != 0 && retry++ < SDIOH_API_ACCESS_RETRY_LIMIT); - + err = brcmf_sdiod_regrw_helper(sdiodev, + SBSDIO_FUNC1_SBADDRLOW + i, + sizeof(u8), &addr[i], true); if (err) { - brcmf_dbg(ERROR, "failed at addr:0x%0x\n", + brcmf_err("failed at addr: 0x%0x\n", SBSDIO_FUNC1_SBADDRLOW + i); break; } @@ -185,74 +353,37 @@ brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address) return err; } -int -brcmf_sdio_regrw_helper(struct brcmf_sdio_dev *sdiodev, u32 addr, - void *data, bool write) +static int +brcmf_sdiod_addrprep(struct brcmf_sdio_dev *sdiodev, uint width, u32 *addr) { - u8 func_num, reg_size; - u32 bar; - s32 retry = 0; - int ret; + uint bar0 = *addr & ~SBSDIO_SB_OFT_ADDR_MASK; + int err = 0; - /* - * figure out how to read the register based on address range - * 0x00 ~ 0x7FF: function 0 CCCR and FBR - * 0x10000 ~ 0x1FFFF: function 1 miscellaneous registers - * The rest: function 1 silicon backplane core registers - */ - if ((addr & ~REG_F0_REG_MASK) == 0) { - func_num = SDIO_FUNC_0; - reg_size = 1; - } else if ((addr & ~REG_F1_MISC_MASK) == 0) { - func_num = SDIO_FUNC_1; - reg_size = 1; - } else { - func_num = SDIO_FUNC_1; - reg_size = 4; - - /* Set the window for SB core register */ - bar = addr & ~SBSDIO_SB_OFT_ADDR_MASK; - if (bar != sdiodev->sbwad) { - ret = brcmf_sdcard_set_sbaddr_window(sdiodev, bar); - if (ret != 0) { - memset(data, 0xFF, reg_size); - return ret; - } - sdiodev->sbwad = bar; - } - addr &= SBSDIO_SB_OFT_ADDR_MASK; - addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; + if (bar0 != sdiodev->sbwad) { + err = brcmf_sdiod_set_sbaddr_window(sdiodev, bar0); + if (err) + return err; + + sdiodev->sbwad = bar0; } - do { - if (!write) - memset(data, 0, reg_size); - if (retry) /* wait for 1 ms till bus get settled down */ - usleep_range(1000, 2000); - if (reg_size == 1) - ret = brcmf_sdioh_request_byte(sdiodev, write, - func_num, addr, data); - else - ret = brcmf_sdioh_request_word(sdiodev, write, - func_num, addr, data, 4); - } while (ret != 0 && retry++ < SDIOH_API_ACCESS_RETRY_LIMIT); + *addr &= SBSDIO_SB_OFT_ADDR_MASK; - if (ret != 0) - brcmf_dbg(ERROR, "failed with %d\n", ret); + if (width == 4) + *addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; - return ret; + return 0; } -u8 brcmf_sdio_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret) +u8 brcmf_sdiod_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret) { u8 data; int retval; - brcmf_dbg(INFO, "addr:0x%08x\n", addr); - sdio_claim_host(sdiodev->func[1]); - retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, false); - sdio_release_host(sdiodev->func[1]); - brcmf_dbg(INFO, "data:0x%02x\n", data); + brcmf_dbg(SDIO, "addr:0x%08x\n", addr); + retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, + false); + brcmf_dbg(SDIO, "data:0x%02x\n", data); if (ret) *ret = retval; @@ -260,92 +391,275 @@ u8 brcmf_sdio_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret) return data; } -u32 brcmf_sdio_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret) +u32 brcmf_sdiod_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret) { u32 data; int retval; - brcmf_dbg(INFO, "addr:0x%08x\n", addr); - sdio_claim_host(sdiodev->func[1]); - retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, false); - sdio_release_host(sdiodev->func[1]); - brcmf_dbg(INFO, "data:0x%08x\n", data); + brcmf_dbg(SDIO, "addr:0x%08x\n", addr); + retval = brcmf_sdiod_addrprep(sdiodev, sizeof(data), &addr); + if (retval) + goto done; + retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, + false); + brcmf_dbg(SDIO, "data:0x%08x\n", data); +done: if (ret) *ret = retval; return data; } -void brcmf_sdio_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr, +void brcmf_sdiod_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr, u8 data, int *ret) { int retval; - brcmf_dbg(INFO, "addr:0x%08x, data:0x%02x\n", addr, data); - sdio_claim_host(sdiodev->func[1]); - retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, true); - sdio_release_host(sdiodev->func[1]); - + brcmf_dbg(SDIO, "addr:0x%08x, data:0x%02x\n", addr, data); + retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, + true); if (ret) *ret = retval; } -void brcmf_sdio_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr, +void brcmf_sdiod_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr, u32 data, int *ret) { int retval; - brcmf_dbg(INFO, "addr:0x%08x, data:0x%08x\n", addr, data); - sdio_claim_host(sdiodev->func[1]); - retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, true); - sdio_release_host(sdiodev->func[1]); + brcmf_dbg(SDIO, "addr:0x%08x, data:0x%08x\n", addr, data); + retval = brcmf_sdiod_addrprep(sdiodev, sizeof(data), &addr); + if (retval) + goto done; + retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, + true); +done: if (ret) *ret = retval; } -static int brcmf_sdcard_recv_prepare(struct brcmf_sdio_dev *sdiodev, uint fn, - uint flags, uint width, u32 *addr) +static int brcmf_sdiod_buffrw(struct brcmf_sdio_dev *sdiodev, uint fn, + bool write, u32 addr, struct sk_buff *pkt) { - uint bar0 = *addr & ~SBSDIO_SB_OFT_ADDR_MASK; - int err = 0; + unsigned int req_sz; + int err; - /* Async not implemented yet */ - if (flags & SDIO_REQ_ASYNC) - return -ENOTSUPP; + brcmf_sdiod_pm_resume_wait(sdiodev, &sdiodev->request_buffer_wait); + if (brcmf_sdiod_pm_resume_error(sdiodev)) + return -EIO; - if (bar0 != sdiodev->sbwad) { - err = brcmf_sdcard_set_sbaddr_window(sdiodev, bar0); - if (err) - return err; + /* Single skb use the standard mmc interface */ + req_sz = pkt->len + 3; + req_sz &= (uint)~3; - sdiodev->sbwad = bar0; + if (write) + err = sdio_memcpy_toio(sdiodev->func[fn], addr, + ((u8 *)(pkt->data)), req_sz); + else if (fn == 1) + err = sdio_memcpy_fromio(sdiodev->func[fn], ((u8 *)(pkt->data)), + addr, req_sz); + else + /* function 2 read is FIFO operation */ + err = sdio_readsb(sdiodev->func[fn], ((u8 *)(pkt->data)), addr, + req_sz); + if (err == -ENOMEDIUM) + brcmf_bus_change_state(sdiodev->bus_if, BRCMF_BUS_NOMEDIUM); + return err; +} + +/** + * brcmf_sdiod_sglist_rw - SDIO interface function for block data access + * @sdiodev: brcmfmac sdio device + * @fn: SDIO function number + * @write: direction flag + * @addr: dongle memory address as source/destination + * @pkt: skb pointer + * + * This function takes the respbonsibility as the interface function to MMC + * stack for block data access. It assumes that the skb passed down by the + * caller has already been padded and aligned. + */ +static int brcmf_sdiod_sglist_rw(struct brcmf_sdio_dev *sdiodev, uint fn, + bool write, u32 addr, + struct sk_buff_head *pktlist) +{ + unsigned int req_sz, func_blk_sz, sg_cnt, sg_data_sz, pkt_offset; + unsigned int max_req_sz, orig_offset, dst_offset; + unsigned short max_seg_cnt, seg_sz; + unsigned char *pkt_data, *orig_data, *dst_data; + struct sk_buff *pkt_next = NULL, *local_pkt_next; + struct sk_buff_head local_list, *target_list; + struct mmc_request mmc_req; + struct mmc_command mmc_cmd; + struct mmc_data mmc_dat; + struct scatterlist *sgl; + int ret = 0; + + if (!pktlist->qlen) + return -EINVAL; + + brcmf_sdiod_pm_resume_wait(sdiodev, &sdiodev->request_buffer_wait); + if (brcmf_sdiod_pm_resume_error(sdiodev)) + return -EIO; + + target_list = pktlist; + /* for host with broken sg support, prepare a page aligned list */ + __skb_queue_head_init(&local_list); + if (sdiodev->pdata && sdiodev->pdata->broken_sg_support && !write) { + req_sz = 0; + skb_queue_walk(pktlist, pkt_next) + req_sz += pkt_next->len; + req_sz = ALIGN(req_sz, sdiodev->func[fn]->cur_blksize); + while (req_sz > PAGE_SIZE) { + pkt_next = brcmu_pkt_buf_get_skb(PAGE_SIZE); + if (pkt_next == NULL) { + ret = -ENOMEM; + goto exit; + } + __skb_queue_tail(&local_list, pkt_next); + req_sz -= PAGE_SIZE; + } + pkt_next = brcmu_pkt_buf_get_skb(req_sz); + if (pkt_next == NULL) { + ret = -ENOMEM; + goto exit; + } + __skb_queue_tail(&local_list, pkt_next); + target_list = &local_list; } - *addr &= SBSDIO_SB_OFT_ADDR_MASK; + func_blk_sz = sdiodev->func[fn]->cur_blksize; + max_req_sz = sdiodev->max_request_size; + max_seg_cnt = min_t(unsigned short, sdiodev->max_segment_count, + target_list->qlen); + seg_sz = target_list->qlen; + pkt_offset = 0; + pkt_next = target_list->next; + + memset(&mmc_req, 0, sizeof(struct mmc_request)); + memset(&mmc_cmd, 0, sizeof(struct mmc_command)); + memset(&mmc_dat, 0, sizeof(struct mmc_data)); + + mmc_dat.sg = sdiodev->sgtable.sgl; + mmc_dat.blksz = func_blk_sz; + mmc_dat.flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; + mmc_cmd.opcode = SD_IO_RW_EXTENDED; + mmc_cmd.arg = write ? 1<<31 : 0; /* write flag */ + mmc_cmd.arg |= (fn & 0x7) << 28; /* SDIO func num */ + mmc_cmd.arg |= 1<<27; /* block mode */ + /* for function 1 the addr will be incremented */ + mmc_cmd.arg |= (fn == 1) ? 1<<26 : 0; + mmc_cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_ADTC; + mmc_req.cmd = &mmc_cmd; + mmc_req.data = &mmc_dat; + + while (seg_sz) { + req_sz = 0; + sg_cnt = 0; + sgl = sdiodev->sgtable.sgl; + /* prep sg table */ + while (pkt_next != (struct sk_buff *)target_list) { + pkt_data = pkt_next->data + pkt_offset; + sg_data_sz = pkt_next->len - pkt_offset; + if (sg_data_sz > sdiodev->max_segment_size) + sg_data_sz = sdiodev->max_segment_size; + if (sg_data_sz > max_req_sz - req_sz) + sg_data_sz = max_req_sz - req_sz; + + sg_set_buf(sgl, pkt_data, sg_data_sz); + + sg_cnt++; + sgl = sg_next(sgl); + req_sz += sg_data_sz; + pkt_offset += sg_data_sz; + if (pkt_offset == pkt_next->len) { + pkt_offset = 0; + pkt_next = pkt_next->next; + } - if (width == 4) - *addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; + if (req_sz >= max_req_sz || sg_cnt >= max_seg_cnt) + break; + } + seg_sz -= sg_cnt; - return 0; + if (req_sz % func_blk_sz != 0) { + brcmf_err("sg request length %u is not %u aligned\n", + req_sz, func_blk_sz); + ret = -ENOTBLK; + goto exit; + } + + mmc_dat.sg_len = sg_cnt; + mmc_dat.blocks = req_sz / func_blk_sz; + mmc_cmd.arg |= (addr & 0x1FFFF) << 9; /* address */ + mmc_cmd.arg |= mmc_dat.blocks & 0x1FF; /* block count */ + /* incrementing addr for function 1 */ + if (fn == 1) + addr += req_sz; + + mmc_set_data_timeout(&mmc_dat, sdiodev->func[fn]->card); + mmc_wait_for_req(sdiodev->func[fn]->card->host, &mmc_req); + + ret = mmc_cmd.error ? mmc_cmd.error : mmc_dat.error; + if (ret == -ENOMEDIUM) { + brcmf_bus_change_state(sdiodev->bus_if, + BRCMF_BUS_NOMEDIUM); + break; + } else if (ret != 0) { + brcmf_err("CMD53 sg block %s failed %d\n", + write ? "write" : "read", ret); + ret = -EIO; + break; + } + } + + if (sdiodev->pdata && sdiodev->pdata->broken_sg_support && !write) { + local_pkt_next = local_list.next; + orig_offset = 0; + skb_queue_walk(pktlist, pkt_next) { + dst_offset = 0; + do { + req_sz = local_pkt_next->len - orig_offset; + req_sz = min_t(uint, pkt_next->len - dst_offset, + req_sz); + orig_data = local_pkt_next->data + orig_offset; + dst_data = pkt_next->data + dst_offset; + memcpy(dst_data, orig_data, req_sz); + orig_offset += req_sz; + dst_offset += req_sz; + if (orig_offset == local_pkt_next->len) { + orig_offset = 0; + local_pkt_next = local_pkt_next->next; + } + if (dst_offset == pkt_next->len) + break; + } while (!skb_queue_empty(&local_list)); + } + } + +exit: + sg_init_table(sdiodev->sgtable.sgl, sdiodev->sgtable.orig_nents); + while ((pkt_next = __skb_dequeue(&local_list)) != NULL) + brcmu_pkt_buf_free_skb(pkt_next); + + return ret; } -int -brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, - uint flags, u8 *buf, uint nbytes) +int brcmf_sdiod_recv_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes) { struct sk_buff *mypkt; int err; mypkt = brcmu_pkt_buf_get_skb(nbytes); if (!mypkt) { - brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: len %d\n", + brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n", nbytes); return -EIO; } - err = brcmf_sdcard_recv_pkt(sdiodev, addr, fn, flags, mypkt); + err = brcmf_sdiod_recv_pkt(sdiodev, mypkt); if (!err) memcpy(buf, mypkt->data, nbytes); @@ -353,221 +667,552 @@ brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, return err; } -int -brcmf_sdcard_recv_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, - uint flags, struct sk_buff *pkt) +int brcmf_sdiod_recv_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff *pkt) { - uint incr_fix; - uint width; + u32 addr = sdiodev->sbwad; int err = 0; - brcmf_dbg(INFO, "fun = %d, addr = 0x%x, size = %d\n", - fn, addr, pkt->len); + brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", addr, pkt->len); - sdio_claim_host(sdiodev->func[1]); - - width = (flags & SDIO_REQ_4BYTE) ? 4 : 2; - err = brcmf_sdcard_recv_prepare(sdiodev, fn, flags, width, &addr); + err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); if (err) goto done; - incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC; - err = brcmf_sdioh_request_buffer(sdiodev, incr_fix, SDIOH_READ, - fn, addr, pkt); + err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, false, addr, pkt); done: - sdio_release_host(sdiodev->func[1]); - return err; } -int brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, - uint flags, struct sk_buff_head *pktq) +int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, + struct sk_buff_head *pktq, uint totlen) { - uint incr_fix; - uint width; + struct sk_buff *glom_skb; + struct sk_buff *skb; + u32 addr = sdiodev->sbwad; int err = 0; - brcmf_dbg(INFO, "fun = %d, addr = 0x%x, size = %d\n", - fn, addr, pktq->qlen); - - sdio_claim_host(sdiodev->func[1]); + brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", + addr, pktq->qlen); - width = (flags & SDIO_REQ_4BYTE) ? 4 : 2; - err = brcmf_sdcard_recv_prepare(sdiodev, fn, flags, width, &addr); + err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); if (err) goto done; - incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC; - err = brcmf_sdioh_request_chain(sdiodev, incr_fix, SDIOH_READ, fn, addr, - pktq); + if (pktq->qlen == 1) + err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, false, addr, + pktq->next); + else if (!sdiodev->sg_support) { + glom_skb = brcmu_pkt_buf_get_skb(totlen); + if (!glom_skb) + return -ENOMEM; + err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, false, addr, + glom_skb); + if (err) + goto done; + + skb_queue_walk(pktq, skb) { + memcpy(skb->data, glom_skb->data, skb->len); + skb_pull(glom_skb, skb->len); + } + } else + err = brcmf_sdiod_sglist_rw(sdiodev, SDIO_FUNC_2, false, addr, + pktq); done: - sdio_release_host(sdiodev->func[1]); - return err; } -int -brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, - uint flags, u8 *buf, uint nbytes) +int brcmf_sdiod_send_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes) { struct sk_buff *mypkt; + u32 addr = sdiodev->sbwad; int err; mypkt = brcmu_pkt_buf_get_skb(nbytes); if (!mypkt) { - brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: len %d\n", + brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n", nbytes); return -EIO; } memcpy(mypkt->data, buf, nbytes); - err = brcmf_sdcard_send_pkt(sdiodev, addr, fn, flags, mypkt); + + err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); + + if (!err) + err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, true, addr, + mypkt); brcmu_pkt_buf_free_skb(mypkt); return err; } -int -brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, - uint flags, struct sk_buff *pkt) +int brcmf_sdiod_send_pkt(struct brcmf_sdio_dev *sdiodev, + struct sk_buff_head *pktq) { - uint incr_fix; - uint width; - uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK; - int err = 0; + struct sk_buff *skb; + u32 addr = sdiodev->sbwad; + int err; + + brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", addr, pktq->qlen); - brcmf_dbg(INFO, "fun = %d, addr = 0x%x, size = %d\n", - fn, addr, pkt->len); + err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); + if (err) + return err; + + if (pktq->qlen == 1 || !sdiodev->sg_support) + skb_queue_walk(pktq, skb) { + err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, true, + addr, skb); + if (err) + break; + } + else + err = brcmf_sdiod_sglist_rw(sdiodev, SDIO_FUNC_2, true, addr, + pktq); - /* Async not implemented yet */ - if (flags & SDIO_REQ_ASYNC) - return -ENOTSUPP; + return err; +} + +int +brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, + u8 *data, uint size) +{ + int bcmerror = 0; + struct sk_buff *pkt; + u32 sdaddr; + uint dsize; + + dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size); + pkt = dev_alloc_skb(dsize); + if (!pkt) { + brcmf_err("dev_alloc_skb failed: len %d\n", dsize); + return -EIO; + } + pkt->priority = 0; + + /* Determine initial transfer parameters */ + sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK; + if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK) + dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr); + else + dsize = size; sdio_claim_host(sdiodev->func[1]); - if (bar0 != sdiodev->sbwad) { - err = brcmf_sdcard_set_sbaddr_window(sdiodev, bar0); - if (err) - goto done; + /* Do the transfer(s) */ + while (size) { + /* Set the backplane window to include the start address */ + bcmerror = brcmf_sdiod_set_sbaddr_window(sdiodev, address); + if (bcmerror) + break; - sdiodev->sbwad = bar0; - } + brcmf_dbg(SDIO, "%s %d bytes at offset 0x%08x in window 0x%08x\n", + write ? "write" : "read", dsize, + sdaddr, address & SBSDIO_SBWINDOW_MASK); - addr &= SBSDIO_SB_OFT_ADDR_MASK; + sdaddr &= SBSDIO_SB_OFT_ADDR_MASK; + sdaddr |= SBSDIO_SB_ACCESS_2_4B_FLAG; - incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC; - width = (flags & SDIO_REQ_4BYTE) ? 4 : 2; - if (width == 4) - addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; + skb_put(pkt, dsize); + if (write) + memcpy(pkt->data, data, dsize); + bcmerror = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_1, write, + sdaddr, pkt); + if (bcmerror) { + brcmf_err("membytes transfer failed\n"); + break; + } + if (!write) + memcpy(data, pkt->data, dsize); + skb_trim(pkt, 0); + + /* Adjust for next transfer (if any) */ + size -= dsize; + if (size) { + data += dsize; + address += dsize; + sdaddr = 0; + dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size); + } + } - err = brcmf_sdioh_request_buffer(sdiodev, incr_fix, SDIOH_WRITE, fn, - addr, pkt); + dev_kfree_skb(pkt); + + /* Return the window to backplane enumeration space for core access */ + if (brcmf_sdiod_set_sbaddr_window(sdiodev, sdiodev->sbwad)) + brcmf_err("FAILED to set window back to 0x%x\n", + sdiodev->sbwad); -done: sdio_release_host(sdiodev->func[1]); - return err; + return bcmerror; } -int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw, u32 addr, - u8 *buf, uint nbytes) +int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn) { - struct sk_buff *mypkt; - bool write = rw ? SDIOH_WRITE : SDIOH_READ; - int err; + char t_func = (char)fn; + brcmf_dbg(SDIO, "Enter\n"); - addr &= SBSDIO_SB_OFT_ADDR_MASK; - addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; + /* issue abort cmd52 command through F0 */ + brcmf_sdiod_request_data(sdiodev, SDIO_FUNC_0, SDIO_CCCR_ABORT, + sizeof(t_func), &t_func, true); - mypkt = brcmu_pkt_buf_get_skb(nbytes); - if (!mypkt) { - brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: len %d\n", - nbytes); - return -EIO; - } + brcmf_dbg(SDIO, "Exit\n"); + return 0; +} - /* For a write, copy the buffer data into the packet. */ - if (write) - memcpy(mypkt->data, buf, nbytes); +static void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev) +{ + uint nents; + int err; - err = brcmf_sdioh_request_buffer(sdiodev, SDIOH_DATA_INC, write, - SDIO_FUNC_1, addr, mypkt); + if (!sdiodev->sg_support) + return; - /* For a read, copy the packet data back to the buffer. */ - if (!err && !write) - memcpy(buf, mypkt->data, nbytes); + nents = max_t(uint, BRCMF_DEFAULT_RXGLOM_SIZE, brcmf_sdiod_txglomsz); + nents += (nents >> 4) + 1; - brcmu_pkt_buf_free_skb(mypkt); - return err; + WARN_ON(nents > sdiodev->max_segment_count); + + brcmf_dbg(TRACE, "nents=%d\n", nents); + err = sg_alloc_table(&sdiodev->sgtable, nents, GFP_KERNEL); + if (err < 0) { + brcmf_err("allocation failed: disable scatter-gather"); + sdiodev->sg_support = false; + } + + sdiodev->txglomsz = brcmf_sdiod_txglomsz; } -int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn) +static int brcmf_sdiod_remove(struct brcmf_sdio_dev *sdiodev) { - char t_func = (char)fn; - brcmf_dbg(TRACE, "Enter\n"); + if (sdiodev->bus) { + brcmf_sdio_remove(sdiodev->bus); + sdiodev->bus = NULL; + } - /* issue abort cmd52 command through F0 */ + /* Disable Function 2 */ + sdio_claim_host(sdiodev->func[2]); + sdio_disable_func(sdiodev->func[2]); + sdio_release_host(sdiodev->func[2]); + + /* Disable Function 1 */ sdio_claim_host(sdiodev->func[1]); - brcmf_sdioh_request_byte(sdiodev, SDIOH_WRITE, SDIO_FUNC_0, - SDIO_CCCR_ABORT, &t_func); + sdio_disable_func(sdiodev->func[1]); sdio_release_host(sdiodev->func[1]); - brcmf_dbg(TRACE, "Exit\n"); + sg_free_table(&sdiodev->sgtable); + sdiodev->sbwad = 0; + return 0; } -int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) +static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) { - u32 regs = 0; + struct sdio_func *func; + struct mmc_host *host; + uint max_blocks; int ret = 0; - ret = brcmf_sdioh_attach(sdiodev); - if (ret) + sdiodev->num_funcs = 2; + + sdio_claim_host(sdiodev->func[1]); + + ret = sdio_set_block_size(sdiodev->func[1], SDIO_FUNC1_BLOCKSIZE); + if (ret) { + brcmf_err("Failed to set F1 blocksize\n"); + sdio_release_host(sdiodev->func[1]); + goto out; + } + ret = sdio_set_block_size(sdiodev->func[2], SDIO_FUNC2_BLOCKSIZE); + if (ret) { + brcmf_err("Failed to set F2 blocksize\n"); + sdio_release_host(sdiodev->func[1]); goto out; + } + + /* increase F2 timeout */ + sdiodev->func[2]->enable_timeout = SDIO_WAIT_F2RDY; - regs = SI_ENUM_BASE; + /* Enable Function 1 */ + ret = sdio_enable_func(sdiodev->func[1]); + sdio_release_host(sdiodev->func[1]); + if (ret) { + brcmf_err("Failed to enable F1: err=%d\n", ret); + goto out; + } - /* Report the BAR, to fix if needed */ - sdiodev->sbwad = SI_ENUM_BASE; + /* + * determine host related variables after brcmf_sdiod_probe() + * as func->cur_blksize is properly set and F2 init has been + * completed successfully. + */ + func = sdiodev->func[2]; + host = func->card->host; + sdiodev->sg_support = host->max_segs > 1; + max_blocks = min_t(uint, host->max_blk_count, 511u); + sdiodev->max_request_size = min_t(uint, host->max_req_size, + max_blocks * func->cur_blksize); + sdiodev->max_segment_count = min_t(uint, host->max_segs, + SG_MAX_SINGLE_ALLOC); + sdiodev->max_segment_size = host->max_seg_size; + + /* allocate scatter-gather table. sg support + * will be disabled upon allocation failure. + */ + brcmf_sdiod_sgtable_alloc(sdiodev); /* try to attach to the target device */ - sdiodev->bus = brcmf_sdbrcm_probe(regs, sdiodev); + sdiodev->bus = brcmf_sdio_probe(sdiodev); if (!sdiodev->bus) { - brcmf_dbg(ERROR, "device attach failed\n"); ret = -ENODEV; goto out; } out: if (ret) - brcmf_sdio_remove(sdiodev); + brcmf_sdiod_remove(sdiodev); return ret; } -EXPORT_SYMBOL(brcmf_sdio_probe); -int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev) +/* devices we support, null terminated */ +static const struct sdio_device_id brcmf_sdmmc_ids[] = { + {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43143)}, + {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43241)}, + {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)}, + {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4330)}, + {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4334)}, + {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43362)}, + {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, + SDIO_DEVICE_ID_BROADCOM_4335_4339)}, + {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4354)}, + { /* end: all zeroes */ }, +}; +MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids); + +static struct brcmfmac_sdio_platform_data *brcmfmac_sdio_pdata; + + +static int brcmf_ops_sdio_probe(struct sdio_func *func, + const struct sdio_device_id *id) { - if (sdiodev->bus) { - brcmf_sdbrcm_disconnect(sdiodev->bus); - sdiodev->bus = NULL; + int err; + struct brcmf_sdio_dev *sdiodev; + struct brcmf_bus *bus_if; + + brcmf_dbg(SDIO, "Enter\n"); + brcmf_dbg(SDIO, "Class=%x\n", func->class); + brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor); + brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device); + brcmf_dbg(SDIO, "Function#: %d\n", func->num); + + /* Consume func num 1 but dont do anything with it. */ + if (func->num == 1) + return 0; + + /* Ignore anything but func 2 */ + if (func->num != 2) + return -ENODEV; + + bus_if = kzalloc(sizeof(struct brcmf_bus), GFP_KERNEL); + if (!bus_if) + return -ENOMEM; + sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL); + if (!sdiodev) { + kfree(bus_if); + return -ENOMEM; } - brcmf_sdioh_detach(sdiodev); + /* store refs to functions used. mmc_card does + * not hold the F0 function pointer. + */ + sdiodev->func[0] = kmemdup(func, sizeof(*func), GFP_KERNEL); + sdiodev->func[0]->num = 0; + sdiodev->func[1] = func->card->sdio_func[0]; + sdiodev->func[2] = func; + + sdiodev->bus_if = bus_if; + bus_if->bus_priv.sdio = sdiodev; + bus_if->proto_type = BRCMF_PROTO_BCDC; + dev_set_drvdata(&func->dev, bus_if); + dev_set_drvdata(&sdiodev->func[1]->dev, bus_if); + sdiodev->dev = &sdiodev->func[1]->dev; + sdiodev->pdata = brcmfmac_sdio_pdata; + + atomic_set(&sdiodev->suspend, false); + init_waitqueue_head(&sdiodev->request_word_wait); + init_waitqueue_head(&sdiodev->request_buffer_wait); + + brcmf_dbg(SDIO, "F2 found, calling brcmf_sdiod_probe...\n"); + err = brcmf_sdiod_probe(sdiodev); + if (err) { + brcmf_err("F2 error, probe failed %d...\n", err); + goto fail; + } - sdiodev->sbwad = 0; + brcmf_dbg(SDIO, "F2 init completed...\n"); + return 0; + +fail: + dev_set_drvdata(&func->dev, NULL); + dev_set_drvdata(&sdiodev->func[1]->dev, NULL); + kfree(sdiodev->func[0]); + kfree(sdiodev); + kfree(bus_if); + return err; +} + +static void brcmf_ops_sdio_remove(struct sdio_func *func) +{ + struct brcmf_bus *bus_if; + struct brcmf_sdio_dev *sdiodev; + + brcmf_dbg(SDIO, "Enter\n"); + brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor); + brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device); + brcmf_dbg(SDIO, "Function: %d\n", func->num); + + if (func->num != 1 && func->num != 2) + return; + + bus_if = dev_get_drvdata(&func->dev); + if (bus_if) { + sdiodev = bus_if->bus_priv.sdio; + brcmf_sdiod_remove(sdiodev); + + dev_set_drvdata(&sdiodev->func[1]->dev, NULL); + dev_set_drvdata(&sdiodev->func[2]->dev, NULL); + + kfree(bus_if); + kfree(sdiodev->func[0]); + kfree(sdiodev); + } + + brcmf_dbg(SDIO, "Exit\n"); +} + +#ifdef CONFIG_PM_SLEEP +static int brcmf_ops_sdio_suspend(struct device *dev) +{ + mmc_pm_flag_t sdio_flags; + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + int ret = 0; + + brcmf_dbg(SDIO, "Enter\n"); + + sdio_flags = sdio_get_host_pm_caps(sdiodev->func[1]); + if (!(sdio_flags & MMC_PM_KEEP_POWER)) { + brcmf_err("Host can't keep power while suspended\n"); + return -EINVAL; + } + atomic_set(&sdiodev->suspend, true); + + ret = sdio_set_host_pm_flags(sdiodev->func[1], MMC_PM_KEEP_POWER); + if (ret) { + brcmf_err("Failed to set pm_flags\n"); + atomic_set(&sdiodev->suspend, false); + return ret; + } + + brcmf_sdio_wd_timer(sdiodev->bus, 0); + + return ret; +} + +static int brcmf_ops_sdio_resume(struct device *dev) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + + brcmf_dbg(SDIO, "Enter\n"); + brcmf_sdio_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS); + atomic_set(&sdiodev->suspend, false); return 0; } -EXPORT_SYMBOL(brcmf_sdio_remove); -void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, bool enable) +static const struct dev_pm_ops brcmf_sdio_pm_ops = { + .suspend = brcmf_ops_sdio_suspend, + .resume = brcmf_ops_sdio_resume, +}; +#endif /* CONFIG_PM_SLEEP */ + +static struct sdio_driver brcmf_sdmmc_driver = { + .probe = brcmf_ops_sdio_probe, + .remove = brcmf_ops_sdio_remove, + .name = BRCMFMAC_SDIO_PDATA_NAME, + .id_table = brcmf_sdmmc_ids, + .drv = { + .owner = THIS_MODULE, +#ifdef CONFIG_PM_SLEEP + .pm = &brcmf_sdio_pm_ops, +#endif /* CONFIG_PM_SLEEP */ + }, +}; + +static int __init brcmf_sdio_pd_probe(struct platform_device *pdev) { - if (enable) - brcmf_sdbrcm_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS); + brcmf_dbg(SDIO, "Enter\n"); + + brcmfmac_sdio_pdata = dev_get_platdata(&pdev->dev); + + if (brcmfmac_sdio_pdata->power_on) + brcmfmac_sdio_pdata->power_on(); + + return 0; +} + +static int brcmf_sdio_pd_remove(struct platform_device *pdev) +{ + brcmf_dbg(SDIO, "Enter\n"); + + if (brcmfmac_sdio_pdata->power_off) + brcmfmac_sdio_pdata->power_off(); + + sdio_unregister_driver(&brcmf_sdmmc_driver); + + return 0; +} + +static struct platform_driver brcmf_sdio_pd = { + .remove = brcmf_sdio_pd_remove, + .driver = { + .name = BRCMFMAC_SDIO_PDATA_NAME, + .owner = THIS_MODULE, + } +}; + +void brcmf_sdio_register(void) +{ + int ret; + + ret = sdio_register_driver(&brcmf_sdmmc_driver); + if (ret) + brcmf_err("sdio_register_driver failed: %d\n", ret); +} + +void brcmf_sdio_exit(void) +{ + brcmf_dbg(SDIO, "Enter\n"); + + if (brcmfmac_sdio_pdata) + platform_driver_unregister(&brcmf_sdio_pd); else - brcmf_sdbrcm_wd_timer(sdiodev->bus, 0); + sdio_unregister_driver(&brcmf_sdmmc_driver); +} + +void __init brcmf_sdio_init(void) +{ + int ret; + + brcmf_dbg(SDIO, "Enter\n"); + + ret = platform_driver_probe(&brcmf_sdio_pd, brcmf_sdio_pd_probe); + if (ret == -ENODEV) + brcmf_dbg(SDIO, "No platform data available.\n"); } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c deleted file mode 100644 index c3247d5b3c2..00000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ /dev/null @@ -1,681 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/types.h> -#include <linux/netdevice.h> -#include <linux/mmc/sdio.h> -#include <linux/mmc/core.h> -#include <linux/mmc/sdio_func.h> -#include <linux/mmc/sdio_ids.h> -#include <linux/mmc/card.h> -#include <linux/suspend.h> -#include <linux/errno.h> -#include <linux/sched.h> /* request_irq() */ -#include <linux/module.h> -#include <linux/platform_device.h> -#include <net/cfg80211.h> - -#include <defs.h> -#include <brcm_hw_ids.h> -#include <brcmu_utils.h> -#include <brcmu_wifi.h> -#include "sdio_host.h" -#include "dhd_dbg.h" -#include "dhd_bus.h" - -#define SDIO_VENDOR_ID_BROADCOM 0x02d0 - -#define DMA_ALIGN_MASK 0x03 - -#define SDIO_DEVICE_ID_BROADCOM_43241 0x4324 -#define SDIO_DEVICE_ID_BROADCOM_4329 0x4329 -#define SDIO_DEVICE_ID_BROADCOM_4330 0x4330 -#define SDIO_DEVICE_ID_BROADCOM_4334 0x4334 - -#define SDIO_FUNC1_BLOCKSIZE 64 -#define SDIO_FUNC2_BLOCKSIZE 512 - -/* devices we support, null terminated */ -static const struct sdio_device_id brcmf_sdmmc_ids[] = { - {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43241)}, - {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)}, - {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4330)}, - {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4334)}, - { /* end: all zeroes */ }, -}; -MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids); - -#ifdef CONFIG_BRCMFMAC_SDIO_OOB -static struct list_head oobirq_lh; -struct brcmf_sdio_oobirq { - unsigned int irq; - unsigned long flags; - struct list_head list; -}; -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ - -static bool -brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev) -{ - bool is_err = false; -#ifdef CONFIG_PM_SLEEP - is_err = atomic_read(&sdiodev->suspend); -#endif - return is_err; -} - -static void -brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, wait_queue_head_t *wq) -{ -#ifdef CONFIG_PM_SLEEP - int retry = 0; - while (atomic_read(&sdiodev->suspend) && retry++ != 30) - wait_event_timeout(*wq, false, HZ/100); -#endif -} - -static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev, - uint regaddr, u8 *byte) -{ - struct sdio_func *sdfunc = sdiodev->func[0]; - int err_ret; - - /* - * Can only directly write to some F0 registers. - * Handle F2 enable/disable and Abort command - * as a special case. - */ - if (regaddr == SDIO_CCCR_IOEx) { - sdfunc = sdiodev->func[2]; - if (sdfunc) { - if (*byte & SDIO_FUNC_ENABLE_2) { - /* Enable Function 2 */ - err_ret = sdio_enable_func(sdfunc); - if (err_ret) - brcmf_dbg(ERROR, - "enable F2 failed:%d\n", - err_ret); - } else { - /* Disable Function 2 */ - err_ret = sdio_disable_func(sdfunc); - if (err_ret) - brcmf_dbg(ERROR, - "Disable F2 failed:%d\n", - err_ret); - } - } - } else if ((regaddr == SDIO_CCCR_ABORT) || - (regaddr == SDIO_CCCR_IENx)) { - sdfunc = kmemdup(sdiodev->func[0], sizeof(struct sdio_func), - GFP_KERNEL); - if (!sdfunc) - return -ENOMEM; - sdfunc->num = 0; - sdio_writeb(sdfunc, *byte, regaddr, &err_ret); - kfree(sdfunc); - } else if (regaddr < 0xF0) { - brcmf_dbg(ERROR, "F0 Wr:0x%02x: write disallowed\n", regaddr); - err_ret = -EPERM; - } else { - sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret); - } - - return err_ret; -} - -int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func, - uint regaddr, u8 *byte) -{ - int err_ret; - - brcmf_dbg(INFO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr); - - brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait); - if (brcmf_pm_resume_error(sdiodev)) - return -EIO; - - if (rw && func == 0) { - /* handle F0 separately */ - err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte); - } else { - if (rw) /* CMD52 Write */ - sdio_writeb(sdiodev->func[func], *byte, regaddr, - &err_ret); - else if (func == 0) { - *byte = sdio_f0_readb(sdiodev->func[func], regaddr, - &err_ret); - } else { - *byte = sdio_readb(sdiodev->func[func], regaddr, - &err_ret); - } - } - - if (err_ret) - brcmf_dbg(ERROR, "Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n", - rw ? "write" : "read", func, regaddr, *byte, err_ret); - - return err_ret; -} - -int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev, - uint rw, uint func, uint addr, u32 *word, - uint nbytes) -{ - int err_ret = -EIO; - - if (func == 0) { - brcmf_dbg(ERROR, "Only CMD52 allowed to F0\n"); - return -EINVAL; - } - - brcmf_dbg(INFO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n", - rw, func, addr, nbytes); - - brcmf_pm_resume_wait(sdiodev, &sdiodev->request_word_wait); - if (brcmf_pm_resume_error(sdiodev)) - return -EIO; - - if (rw) { /* CMD52 Write */ - if (nbytes == 4) - sdio_writel(sdiodev->func[func], *word, addr, - &err_ret); - else if (nbytes == 2) - sdio_writew(sdiodev->func[func], (*word & 0xFFFF), - addr, &err_ret); - else - brcmf_dbg(ERROR, "Invalid nbytes: %d\n", nbytes); - } else { /* CMD52 Read */ - if (nbytes == 4) - *word = sdio_readl(sdiodev->func[func], addr, &err_ret); - else if (nbytes == 2) - *word = sdio_readw(sdiodev->func[func], addr, - &err_ret) & 0xFFFF; - else - brcmf_dbg(ERROR, "Invalid nbytes: %d\n", nbytes); - } - - if (err_ret) - brcmf_dbg(ERROR, "Failed to %s word, Err: 0x%08x\n", - rw ? "write" : "read", err_ret); - - return err_ret; -} - -/* precondition: host controller is claimed */ -static int -brcmf_sdioh_request_data(struct brcmf_sdio_dev *sdiodev, uint write, bool fifo, - uint func, uint addr, struct sk_buff *pkt, uint pktlen) -{ - int err_ret = 0; - - if ((write) && (!fifo)) { - err_ret = sdio_memcpy_toio(sdiodev->func[func], addr, - ((u8 *) (pkt->data)), pktlen); - } else if (write) { - err_ret = sdio_memcpy_toio(sdiodev->func[func], addr, - ((u8 *) (pkt->data)), pktlen); - } else if (fifo) { - err_ret = sdio_readsb(sdiodev->func[func], - ((u8 *) (pkt->data)), addr, pktlen); - } else { - err_ret = sdio_memcpy_fromio(sdiodev->func[func], - ((u8 *) (pkt->data)), - addr, pktlen); - } - - return err_ret; -} - -/* - * This function takes a queue of packets. The packets on the queue - * are assumed to be properly aligned by the caller. - */ -int -brcmf_sdioh_request_chain(struct brcmf_sdio_dev *sdiodev, uint fix_inc, - uint write, uint func, uint addr, - struct sk_buff_head *pktq) -{ - bool fifo = (fix_inc == SDIOH_DATA_FIX); - u32 SGCount = 0; - int err_ret = 0; - - struct sk_buff *pkt; - - brcmf_dbg(TRACE, "Enter\n"); - - brcmf_pm_resume_wait(sdiodev, &sdiodev->request_chain_wait); - if (brcmf_pm_resume_error(sdiodev)) - return -EIO; - - skb_queue_walk(pktq, pkt) { - uint pkt_len = pkt->len; - pkt_len += 3; - pkt_len &= 0xFFFFFFFC; - - err_ret = brcmf_sdioh_request_data(sdiodev, write, fifo, func, - addr, pkt, pkt_len); - if (err_ret) { - brcmf_dbg(ERROR, "%s FAILED %p[%d], addr=0x%05x, pkt_len=%d, ERR=0x%08x\n", - write ? "TX" : "RX", pkt, SGCount, addr, - pkt_len, err_ret); - } else { - brcmf_dbg(TRACE, "%s xfr'd %p[%d], addr=0x%05x, len=%d\n", - write ? "TX" : "RX", pkt, SGCount, addr, - pkt_len); - } - if (!fifo) - addr += pkt_len; - - SGCount++; - } - - brcmf_dbg(TRACE, "Exit\n"); - return err_ret; -} - -/* - * This function takes a single DMA-able packet. - */ -int brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev, - uint fix_inc, uint write, uint func, uint addr, - struct sk_buff *pkt) -{ - int status; - uint pkt_len; - bool fifo = (fix_inc == SDIOH_DATA_FIX); - - brcmf_dbg(TRACE, "Enter\n"); - - if (pkt == NULL) - return -EINVAL; - pkt_len = pkt->len; - - brcmf_pm_resume_wait(sdiodev, &sdiodev->request_buffer_wait); - if (brcmf_pm_resume_error(sdiodev)) - return -EIO; - - pkt_len += 3; - pkt_len &= (uint)~3; - - status = brcmf_sdioh_request_data(sdiodev, write, fifo, func, - addr, pkt, pkt_len); - if (status) { - brcmf_dbg(ERROR, "%s FAILED %p, addr=0x%05x, pkt_len=%d, ERR=0x%08x\n", - write ? "TX" : "RX", pkt, addr, pkt_len, status); - } else { - brcmf_dbg(TRACE, "%s xfr'd %p, addr=0x%05x, len=%d\n", - write ? "TX" : "RX", pkt, addr, pkt_len); - } - - return status; -} - -static int brcmf_sdioh_get_cisaddr(struct brcmf_sdio_dev *sdiodev, u32 regaddr) -{ - /* read 24 bits and return valid 17 bit addr */ - int i, ret; - u32 scratch, regdata; - __le32 scratch_le; - u8 *ptr = (u8 *)&scratch_le; - - for (i = 0; i < 3; i++) { - regdata = brcmf_sdio_regrl(sdiodev, regaddr, &ret); - if (ret != 0) - brcmf_dbg(ERROR, "Can't read!\n"); - - *ptr++ = (u8) regdata; - regaddr++; - } - - /* Only the lower 17-bits are valid */ - scratch = le32_to_cpu(scratch_le); - scratch &= 0x0001FFFF; - return scratch; -} - -static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev) -{ - int err_ret; - u32 fbraddr; - u8 func; - - brcmf_dbg(TRACE, "\n"); - - /* Get the Card's common CIS address */ - sdiodev->func_cis_ptr[0] = brcmf_sdioh_get_cisaddr(sdiodev, - SDIO_CCCR_CIS); - brcmf_dbg(INFO, "Card's Common CIS Ptr = 0x%x\n", - sdiodev->func_cis_ptr[0]); - - /* Get the Card's function CIS (for each function) */ - for (fbraddr = SDIO_FBR_BASE(1), func = 1; - func <= sdiodev->num_funcs; func++, fbraddr += SDIOD_FBR_SIZE) { - sdiodev->func_cis_ptr[func] = - brcmf_sdioh_get_cisaddr(sdiodev, SDIO_FBR_CIS + fbraddr); - brcmf_dbg(INFO, "Function %d CIS Ptr = 0x%x\n", - func, sdiodev->func_cis_ptr[func]); - } - - /* Enable Function 1 */ - sdio_claim_host(sdiodev->func[1]); - err_ret = sdio_enable_func(sdiodev->func[1]); - sdio_release_host(sdiodev->func[1]); - if (err_ret) - brcmf_dbg(ERROR, "Failed to enable F1 Err: 0x%08x\n", err_ret); - - return false; -} - -/* - * Public entry points & extern's - */ -int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev) -{ - int err_ret = 0; - - brcmf_dbg(TRACE, "\n"); - - sdiodev->num_funcs = 2; - - sdio_claim_host(sdiodev->func[1]); - err_ret = sdio_set_block_size(sdiodev->func[1], SDIO_FUNC1_BLOCKSIZE); - sdio_release_host(sdiodev->func[1]); - if (err_ret) { - brcmf_dbg(ERROR, "Failed to set F1 blocksize\n"); - goto out; - } - - sdio_claim_host(sdiodev->func[2]); - err_ret = sdio_set_block_size(sdiodev->func[2], SDIO_FUNC2_BLOCKSIZE); - sdio_release_host(sdiodev->func[2]); - if (err_ret) { - brcmf_dbg(ERROR, "Failed to set F2 blocksize\n"); - goto out; - } - - brcmf_sdioh_enablefuncs(sdiodev); - -out: - brcmf_dbg(TRACE, "Done\n"); - return err_ret; -} - -void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev) -{ - brcmf_dbg(TRACE, "\n"); - - /* Disable Function 2 */ - sdio_claim_host(sdiodev->func[2]); - sdio_disable_func(sdiodev->func[2]); - sdio_release_host(sdiodev->func[2]); - - /* Disable Function 1 */ - sdio_claim_host(sdiodev->func[1]); - sdio_disable_func(sdiodev->func[1]); - sdio_release_host(sdiodev->func[1]); - -} - -#ifdef CONFIG_BRCMFMAC_SDIO_OOB -static int brcmf_sdio_getintrcfg(struct brcmf_sdio_dev *sdiodev) -{ - struct brcmf_sdio_oobirq *oobirq_entry; - - if (list_empty(&oobirq_lh)) { - brcmf_dbg(ERROR, "no valid oob irq resource\n"); - return -ENXIO; - } - - oobirq_entry = list_first_entry(&oobirq_lh, struct brcmf_sdio_oobirq, - list); - - sdiodev->irq = oobirq_entry->irq; - sdiodev->irq_flags = oobirq_entry->flags; - list_del(&oobirq_entry->list); - kfree(oobirq_entry); - - return 0; -} -#else -static inline int brcmf_sdio_getintrcfg(struct brcmf_sdio_dev *sdiodev) -{ - return 0; -} -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ - -static int brcmf_ops_sdio_probe(struct sdio_func *func, - const struct sdio_device_id *id) -{ - int ret = 0; - struct brcmf_sdio_dev *sdiodev; - struct brcmf_bus *bus_if; - - brcmf_dbg(TRACE, "Enter\n"); - brcmf_dbg(TRACE, "func->class=%x\n", func->class); - brcmf_dbg(TRACE, "sdio_vendor: 0x%04x\n", func->vendor); - brcmf_dbg(TRACE, "sdio_device: 0x%04x\n", func->device); - brcmf_dbg(TRACE, "Function#: 0x%04x\n", func->num); - - if (func->num == 1) { - if (dev_get_drvdata(&func->card->dev)) { - brcmf_dbg(ERROR, "card private drvdata occupied\n"); - return -ENXIO; - } - bus_if = kzalloc(sizeof(struct brcmf_bus), GFP_KERNEL); - if (!bus_if) - return -ENOMEM; - sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL); - if (!sdiodev) { - kfree(bus_if); - return -ENOMEM; - } - sdiodev->func[0] = func; - sdiodev->func[1] = func; - sdiodev->bus_if = bus_if; - bus_if->bus_priv.sdio = sdiodev; - bus_if->type = SDIO_BUS; - bus_if->align = BRCMF_SDALIGN; - dev_set_drvdata(&func->card->dev, sdiodev); - - atomic_set(&sdiodev->suspend, false); - init_waitqueue_head(&sdiodev->request_byte_wait); - init_waitqueue_head(&sdiodev->request_word_wait); - init_waitqueue_head(&sdiodev->request_chain_wait); - init_waitqueue_head(&sdiodev->request_buffer_wait); - } - - if (func->num == 2) { - sdiodev = dev_get_drvdata(&func->card->dev); - if ((!sdiodev) || (sdiodev->func[1]->card != func->card)) - return -ENODEV; - - ret = brcmf_sdio_getintrcfg(sdiodev); - if (ret) - return ret; - sdiodev->func[2] = func; - - bus_if = sdiodev->bus_if; - sdiodev->dev = &func->dev; - dev_set_drvdata(&func->dev, bus_if); - - brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_probe...\n"); - ret = brcmf_sdio_probe(sdiodev); - } - - return ret; -} - -static void brcmf_ops_sdio_remove(struct sdio_func *func) -{ - struct brcmf_bus *bus_if; - struct brcmf_sdio_dev *sdiodev; - brcmf_dbg(TRACE, "Enter\n"); - brcmf_dbg(INFO, "func->class=%x\n", func->class); - brcmf_dbg(INFO, "sdio_vendor: 0x%04x\n", func->vendor); - brcmf_dbg(INFO, "sdio_device: 0x%04x\n", func->device); - brcmf_dbg(INFO, "Function#: 0x%04x\n", func->num); - - if (func->num == 2) { - bus_if = dev_get_drvdata(&func->dev); - sdiodev = bus_if->bus_priv.sdio; - brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_remove...\n"); - brcmf_sdio_remove(sdiodev); - dev_set_drvdata(&func->card->dev, NULL); - dev_set_drvdata(&func->dev, NULL); - kfree(bus_if); - kfree(sdiodev); - } -} - -#ifdef CONFIG_PM_SLEEP -static int brcmf_sdio_suspend(struct device *dev) -{ - mmc_pm_flag_t sdio_flags; - struct sdio_func *func = dev_to_sdio_func(dev); - struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(&func->card->dev); - int ret = 0; - - brcmf_dbg(TRACE, "\n"); - - atomic_set(&sdiodev->suspend, true); - - sdio_flags = sdio_get_host_pm_caps(sdiodev->func[1]); - if (!(sdio_flags & MMC_PM_KEEP_POWER)) { - brcmf_dbg(ERROR, "Host can't keep power while suspended\n"); - return -EINVAL; - } - - ret = sdio_set_host_pm_flags(sdiodev->func[1], MMC_PM_KEEP_POWER); - if (ret) { - brcmf_dbg(ERROR, "Failed to set pm_flags\n"); - return ret; - } - - brcmf_sdio_wdtmr_enable(sdiodev, false); - - return ret; -} - -static int brcmf_sdio_resume(struct device *dev) -{ - struct sdio_func *func = dev_to_sdio_func(dev); - struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(&func->card->dev); - - brcmf_sdio_wdtmr_enable(sdiodev, true); - atomic_set(&sdiodev->suspend, false); - return 0; -} - -static const struct dev_pm_ops brcmf_sdio_pm_ops = { - .suspend = brcmf_sdio_suspend, - .resume = brcmf_sdio_resume, -}; -#endif /* CONFIG_PM_SLEEP */ - -static struct sdio_driver brcmf_sdmmc_driver = { - .probe = brcmf_ops_sdio_probe, - .remove = brcmf_ops_sdio_remove, - .name = "brcmfmac", - .id_table = brcmf_sdmmc_ids, -#ifdef CONFIG_PM_SLEEP - .drv = { - .pm = &brcmf_sdio_pm_ops, - }, -#endif /* CONFIG_PM_SLEEP */ -}; - -#ifdef CONFIG_BRCMFMAC_SDIO_OOB -static int brcmf_sdio_pd_probe(struct platform_device *pdev) -{ - struct resource *res; - struct brcmf_sdio_oobirq *oobirq_entry; - int i, ret; - - INIT_LIST_HEAD(&oobirq_lh); - - for (i = 0; ; i++) { - res = platform_get_resource(pdev, IORESOURCE_IRQ, i); - if (!res) - break; - - oobirq_entry = kzalloc(sizeof(struct brcmf_sdio_oobirq), - GFP_KERNEL); - if (!oobirq_entry) - return -ENOMEM; - oobirq_entry->irq = res->start; - oobirq_entry->flags = res->flags & IRQF_TRIGGER_MASK; - list_add_tail(&oobirq_entry->list, &oobirq_lh); - } - if (i == 0) - return -ENXIO; - - ret = sdio_register_driver(&brcmf_sdmmc_driver); - - if (ret) - brcmf_dbg(ERROR, "sdio_register_driver failed: %d\n", ret); - - return ret; -} - -static struct platform_driver brcmf_sdio_pd = { - .probe = brcmf_sdio_pd_probe, - .driver = { - .name = "brcmf_sdio_pd" - } -}; - -void brcmf_sdio_exit(void) -{ - brcmf_dbg(TRACE, "Enter\n"); - - sdio_unregister_driver(&brcmf_sdmmc_driver); - - platform_driver_unregister(&brcmf_sdio_pd); -} - -void brcmf_sdio_init(void) -{ - int ret; - - brcmf_dbg(TRACE, "Enter\n"); - - ret = platform_driver_register(&brcmf_sdio_pd); - - if (ret) - brcmf_dbg(ERROR, "platform_driver_register failed: %d\n", ret); -} -#else -void brcmf_sdio_exit(void) -{ - brcmf_dbg(TRACE, "Enter\n"); - - sdio_unregister_driver(&brcmf_sdmmc_driver); -} - -void brcmf_sdio_init(void) -{ - int ret; - - brcmf_dbg(TRACE, "Enter\n"); - - ret = sdio_register_driver(&brcmf_sdmmc_driver); - - if (ret) - brcmf_dbg(ERROR, "sdio_register_driver failed: %d\n", ret); -} -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/btcoex.c b/drivers/net/wireless/brcm80211/brcmfmac/btcoex.c new file mode 100644 index 00000000000..0cb591b050b --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/btcoex.c @@ -0,0 +1,497 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <linux/slab.h> +#include <linux/netdevice.h> +#include <net/cfg80211.h> + +#include <brcmu_wifi.h> +#include <brcmu_utils.h> +#include <defs.h> +#include <dhd.h> +#include <dhd_dbg.h> +#include "fwil.h" +#include "fwil_types.h" +#include "btcoex.h" +#include "p2p.h" +#include "wl_cfg80211.h" + +/* T1 start SCO/eSCO priority suppression */ +#define BRCMF_BTCOEX_OPPR_WIN_TIME 2000 + +/* BT registers values during DHCP */ +#define BRCMF_BT_DHCP_REG50 0x8022 +#define BRCMF_BT_DHCP_REG51 0 +#define BRCMF_BT_DHCP_REG64 0 +#define BRCMF_BT_DHCP_REG65 0 +#define BRCMF_BT_DHCP_REG71 0 +#define BRCMF_BT_DHCP_REG66 0x2710 +#define BRCMF_BT_DHCP_REG41 0x33 +#define BRCMF_BT_DHCP_REG68 0x190 + +/* number of samples for SCO detection */ +#define BRCMF_BT_SCO_SAMPLES 12 + +/** +* enum brcmf_btcoex_state - BT coex DHCP state machine states +* @BRCMF_BT_DHCP_IDLE: DCHP is idle +* @BRCMF_BT_DHCP_START: DHCP started, wait before +* boosting wifi priority +* @BRCMF_BT_DHCP_OPPR_WIN: graceful DHCP opportunity ended, +* boost wifi priority +* @BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT: wifi priority boost end, +* restore defaults +*/ +enum brcmf_btcoex_state { + BRCMF_BT_DHCP_IDLE, + BRCMF_BT_DHCP_START, + BRCMF_BT_DHCP_OPPR_WIN, + BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT +}; + +/** + * struct brcmf_btcoex_info - BT coex related information + * @vif: interface for which request was done. + * @timer: timer for DHCP state machine + * @timeout: configured timeout. + * @timer_on: DHCP timer active + * @dhcp_done: DHCP finished before T1/T2 timer expiration + * @bt_state: DHCP state machine state + * @work: DHCP state machine work + * @cfg: driver private data for cfg80211 interface + * @reg66: saved value of btc_params 66 + * @reg41: saved value of btc_params 41 + * @reg68: saved value of btc_params 68 + * @saved_regs_part1: flag indicating regs 66,41,68 + * have been saved + * @reg51: saved value of btc_params 51 + * @reg64: saved value of btc_params 64 + * @reg65: saved value of btc_params 65 + * @reg71: saved value of btc_params 71 + * @saved_regs_part1: flag indicating regs 50,51,64,65,71 + * have been saved + */ +struct brcmf_btcoex_info { + struct brcmf_cfg80211_vif *vif; + struct timer_list timer; + u16 timeout; + bool timer_on; + bool dhcp_done; + enum brcmf_btcoex_state bt_state; + struct work_struct work; + struct brcmf_cfg80211_info *cfg; + u32 reg66; + u32 reg41; + u32 reg68; + bool saved_regs_part1; + u32 reg50; + u32 reg51; + u32 reg64; + u32 reg65; + u32 reg71; + bool saved_regs_part2; +}; + +/** + * brcmf_btcoex_params_write() - write btc_params firmware variable + * @ifp: interface + * @addr: btc_params register number + * @data: data to write + */ +static s32 brcmf_btcoex_params_write(struct brcmf_if *ifp, u32 addr, u32 data) +{ + struct { + __le32 addr; + __le32 data; + } reg_write; + + reg_write.addr = cpu_to_le32(addr); + reg_write.data = cpu_to_le32(data); + return brcmf_fil_iovar_data_set(ifp, "btc_params", + ®_write, sizeof(reg_write)); +} + +/** + * brcmf_btcoex_params_read() - read btc_params firmware variable + * @ifp: interface + * @addr: btc_params register number + * @data: read data + */ +static s32 brcmf_btcoex_params_read(struct brcmf_if *ifp, u32 addr, u32 *data) +{ + *data = addr; + + return brcmf_fil_iovar_int_get(ifp, "btc_params", data); +} + +/** + * brcmf_btcoex_boost_wifi() - control BT SCO/eSCO parameters + * @btci: BT coex info + * @trump_sco: + * true - set SCO/eSCO parameters for compatibility + * during DHCP window + * false - restore saved parameter values + * + * Enhanced BT COEX settings for eSCO compatibility during DHCP window + */ +static void brcmf_btcoex_boost_wifi(struct brcmf_btcoex_info *btci, + bool trump_sco) +{ + struct brcmf_if *ifp = btci->cfg->pub->iflist[0]; + + if (trump_sco && !btci->saved_regs_part2) { + /* this should reduce eSCO agressive + * retransmit w/o breaking it + */ + + /* save current */ + brcmf_dbg(TRACE, "new SCO/eSCO coex algo {save & override}\n"); + brcmf_btcoex_params_read(ifp, 50, &btci->reg50); + brcmf_btcoex_params_read(ifp, 51, &btci->reg51); + brcmf_btcoex_params_read(ifp, 64, &btci->reg64); + brcmf_btcoex_params_read(ifp, 65, &btci->reg65); + brcmf_btcoex_params_read(ifp, 71, &btci->reg71); + + btci->saved_regs_part2 = true; + brcmf_dbg(TRACE, + "saved bt_params[50,51,64,65,71]: 0x%x 0x%x 0x%x 0x%x 0x%x\n", + btci->reg50, btci->reg51, btci->reg64, + btci->reg65, btci->reg71); + + /* pacify the eSco */ + brcmf_btcoex_params_write(ifp, 50, BRCMF_BT_DHCP_REG50); + brcmf_btcoex_params_write(ifp, 51, BRCMF_BT_DHCP_REG51); + brcmf_btcoex_params_write(ifp, 64, BRCMF_BT_DHCP_REG64); + brcmf_btcoex_params_write(ifp, 65, BRCMF_BT_DHCP_REG65); + brcmf_btcoex_params_write(ifp, 71, BRCMF_BT_DHCP_REG71); + + } else if (btci->saved_regs_part2) { + /* restore previously saved bt params */ + brcmf_dbg(TRACE, "Do new SCO/eSCO coex algo {restore}\n"); + brcmf_btcoex_params_write(ifp, 50, btci->reg50); + brcmf_btcoex_params_write(ifp, 51, btci->reg51); + brcmf_btcoex_params_write(ifp, 64, btci->reg64); + brcmf_btcoex_params_write(ifp, 65, btci->reg65); + brcmf_btcoex_params_write(ifp, 71, btci->reg71); + + brcmf_dbg(TRACE, + "restored bt_params[50,51,64,65,71]: 0x%x 0x%x 0x%x 0x%x 0x%x\n", + btci->reg50, btci->reg51, btci->reg64, + btci->reg65, btci->reg71); + + btci->saved_regs_part2 = false; + } else { + brcmf_err("attempted to restore not saved BTCOEX params\n"); + } +} + +/** + * brcmf_btcoex_is_sco_active() - check if SCO/eSCO is active + * @ifp: interface + * + * return: true if SCO/eSCO session is active + */ +static bool brcmf_btcoex_is_sco_active(struct brcmf_if *ifp) +{ + int ioc_res = 0; + bool res = false; + int sco_id_cnt = 0; + u32 param27; + int i; + + for (i = 0; i < BRCMF_BT_SCO_SAMPLES; i++) { + ioc_res = brcmf_btcoex_params_read(ifp, 27, ¶m27); + + if (ioc_res < 0) { + brcmf_err("ioc read btc params error\n"); + break; + } + + brcmf_dbg(TRACE, "sample[%d], btc_params 27:%x\n", i, param27); + + if ((param27 & 0x6) == 2) { /* count both sco & esco */ + sco_id_cnt++; + } + + if (sco_id_cnt > 2) { + brcmf_dbg(TRACE, + "sco/esco detected, pkt id_cnt:%d samples:%d\n", + sco_id_cnt, i); + res = true; + break; + } + } + brcmf_dbg(TRACE, "exit: result=%d\n", res); + return res; +} + +/** + * btcmf_btcoex_save_part1() - save first step parameters. + */ +static void btcmf_btcoex_save_part1(struct brcmf_btcoex_info *btci) +{ + struct brcmf_if *ifp = btci->vif->ifp; + + if (!btci->saved_regs_part1) { + /* Retrieve and save original reg value */ + brcmf_btcoex_params_read(ifp, 66, &btci->reg66); + brcmf_btcoex_params_read(ifp, 41, &btci->reg41); + brcmf_btcoex_params_read(ifp, 68, &btci->reg68); + btci->saved_regs_part1 = true; + brcmf_dbg(TRACE, + "saved btc_params regs (66,41,68) 0x%x 0x%x 0x%x\n", + btci->reg66, btci->reg41, + btci->reg68); + } +} + +/** + * brcmf_btcoex_restore_part1() - restore first step parameters. + */ +static void brcmf_btcoex_restore_part1(struct brcmf_btcoex_info *btci) +{ + struct brcmf_if *ifp; + + if (btci->saved_regs_part1) { + btci->saved_regs_part1 = false; + ifp = btci->vif->ifp; + brcmf_btcoex_params_write(ifp, 66, btci->reg66); + brcmf_btcoex_params_write(ifp, 41, btci->reg41); + brcmf_btcoex_params_write(ifp, 68, btci->reg68); + brcmf_dbg(TRACE, + "restored btc_params regs {66,41,68} 0x%x 0x%x 0x%x\n", + btci->reg66, btci->reg41, + btci->reg68); + } +} + +/** + * brcmf_btcoex_timerfunc() - BT coex timer callback + */ +static void brcmf_btcoex_timerfunc(ulong data) +{ + struct brcmf_btcoex_info *bt_local = (struct brcmf_btcoex_info *)data; + brcmf_dbg(TRACE, "enter\n"); + + bt_local->timer_on = false; + schedule_work(&bt_local->work); +} + +/** + * brcmf_btcoex_handler() - BT coex state machine work handler + * @work: work + */ +static void brcmf_btcoex_handler(struct work_struct *work) +{ + struct brcmf_btcoex_info *btci; + btci = container_of(work, struct brcmf_btcoex_info, work); + if (btci->timer_on) { + btci->timer_on = false; + del_timer_sync(&btci->timer); + } + + switch (btci->bt_state) { + case BRCMF_BT_DHCP_START: + /* DHCP started provide OPPORTUNITY window + to get DHCP address + */ + brcmf_dbg(TRACE, "DHCP started\n"); + btci->bt_state = BRCMF_BT_DHCP_OPPR_WIN; + if (btci->timeout < BRCMF_BTCOEX_OPPR_WIN_TIME) { + mod_timer(&btci->timer, btci->timer.expires); + } else { + btci->timeout -= BRCMF_BTCOEX_OPPR_WIN_TIME; + mod_timer(&btci->timer, + jiffies + + msecs_to_jiffies(BRCMF_BTCOEX_OPPR_WIN_TIME)); + } + btci->timer_on = true; + break; + + case BRCMF_BT_DHCP_OPPR_WIN: + if (btci->dhcp_done) { + brcmf_dbg(TRACE, "DHCP done before T1 expiration\n"); + goto idle; + } + + /* DHCP is not over yet, start lowering BT priority */ + brcmf_dbg(TRACE, "DHCP T1:%d expired\n", + BRCMF_BTCOEX_OPPR_WIN_TIME); + brcmf_btcoex_boost_wifi(btci, true); + + btci->bt_state = BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT; + mod_timer(&btci->timer, + jiffies + msecs_to_jiffies(btci->timeout)); + btci->timer_on = true; + break; + + case BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT: + if (btci->dhcp_done) + brcmf_dbg(TRACE, "DHCP done before T2 expiration\n"); + else + brcmf_dbg(TRACE, "DHCP T2:%d expired\n", + BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT); + + goto idle; + + default: + brcmf_err("invalid state=%d !!!\n", btci->bt_state); + goto idle; + } + + return; + +idle: + btci->bt_state = BRCMF_BT_DHCP_IDLE; + btci->timer_on = false; + brcmf_btcoex_boost_wifi(btci, false); + cfg80211_crit_proto_stopped(&btci->vif->wdev, GFP_KERNEL); + brcmf_btcoex_restore_part1(btci); + btci->vif = NULL; +} + +/** + * brcmf_btcoex_attach() - initialize BT coex data + * @cfg: driver private cfg80211 data + * + * return: 0 on success + */ +int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_btcoex_info *btci = NULL; + brcmf_dbg(TRACE, "enter\n"); + + btci = kmalloc(sizeof(struct brcmf_btcoex_info), GFP_KERNEL); + if (!btci) + return -ENOMEM; + + btci->bt_state = BRCMF_BT_DHCP_IDLE; + + /* Set up timer for BT */ + btci->timer_on = false; + btci->timeout = BRCMF_BTCOEX_OPPR_WIN_TIME; + init_timer(&btci->timer); + btci->timer.data = (ulong)btci; + btci->timer.function = brcmf_btcoex_timerfunc; + btci->cfg = cfg; + btci->saved_regs_part1 = false; + btci->saved_regs_part2 = false; + + INIT_WORK(&btci->work, brcmf_btcoex_handler); + + cfg->btcoex = btci; + return 0; +} + +/** + * brcmf_btcoex_detach - clean BT coex data + * @cfg: driver private cfg80211 data + */ +void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg) +{ + brcmf_dbg(TRACE, "enter\n"); + + if (!cfg->btcoex) + return; + + if (cfg->btcoex->timer_on) { + cfg->btcoex->timer_on = false; + del_timer_sync(&cfg->btcoex->timer); + } + + cancel_work_sync(&cfg->btcoex->work); + + brcmf_btcoex_boost_wifi(cfg->btcoex, false); + brcmf_btcoex_restore_part1(cfg->btcoex); + + kfree(cfg->btcoex); + cfg->btcoex = NULL; +} + +static void brcmf_btcoex_dhcp_start(struct brcmf_btcoex_info *btci) +{ + struct brcmf_if *ifp = btci->vif->ifp; + + btcmf_btcoex_save_part1(btci); + /* set new regs values */ + brcmf_btcoex_params_write(ifp, 66, BRCMF_BT_DHCP_REG66); + brcmf_btcoex_params_write(ifp, 41, BRCMF_BT_DHCP_REG41); + brcmf_btcoex_params_write(ifp, 68, BRCMF_BT_DHCP_REG68); + btci->dhcp_done = false; + btci->bt_state = BRCMF_BT_DHCP_START; + schedule_work(&btci->work); + brcmf_dbg(TRACE, "enable BT DHCP Timer\n"); +} + +static void brcmf_btcoex_dhcp_end(struct brcmf_btcoex_info *btci) +{ + /* Stop any bt timer because DHCP session is done */ + btci->dhcp_done = true; + if (btci->timer_on) { + brcmf_dbg(TRACE, "disable BT DHCP Timer\n"); + btci->timer_on = false; + del_timer_sync(&btci->timer); + + /* schedule worker if transition to IDLE is needed */ + if (btci->bt_state != BRCMF_BT_DHCP_IDLE) { + brcmf_dbg(TRACE, "bt_state:%d\n", + btci->bt_state); + schedule_work(&btci->work); + } + } else { + /* Restore original values */ + brcmf_btcoex_restore_part1(btci); + } +} + +/** + * brcmf_btcoex_set_mode - set BT coex mode + * @cfg: driver private cfg80211 data + * @mode: Wifi-Bluetooth coexistence mode + * + * return: 0 on success + */ +int brcmf_btcoex_set_mode(struct brcmf_cfg80211_vif *vif, + enum brcmf_btcoex_mode mode, u16 duration) +{ + struct brcmf_cfg80211_info *cfg = wiphy_priv(vif->wdev.wiphy); + struct brcmf_btcoex_info *btci = cfg->btcoex; + struct brcmf_if *ifp = cfg->pub->iflist[0]; + + switch (mode) { + case BRCMF_BTCOEX_DISABLED: + brcmf_dbg(TRACE, "DHCP session starts\n"); + if (btci->bt_state != BRCMF_BT_DHCP_IDLE) + return -EBUSY; + /* Start BT timer only for SCO connection */ + if (brcmf_btcoex_is_sco_active(ifp)) { + btci->timeout = duration; + btci->vif = vif; + brcmf_btcoex_dhcp_start(btci); + } + break; + + case BRCMF_BTCOEX_ENABLED: + brcmf_dbg(TRACE, "DHCP session ends\n"); + if (btci->bt_state != BRCMF_BT_DHCP_IDLE && + vif == btci->vif) { + brcmf_btcoex_dhcp_end(btci); + } + break; + default: + brcmf_dbg(TRACE, "Unknown mode, ignored\n"); + } + return 0; +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/btcoex.h b/drivers/net/wireless/brcm80211/brcmfmac/btcoex.h new file mode 100644 index 00000000000..19647c68aa9 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/btcoex.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef WL_BTCOEX_H_ +#define WL_BTCOEX_H_ + +enum brcmf_btcoex_mode { + BRCMF_BTCOEX_DISABLED, + BRCMF_BTCOEX_ENABLED +}; + +int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg); +void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg); +int brcmf_btcoex_set_mode(struct brcmf_cfg80211_vif *vif, + enum brcmf_btcoex_mode mode, u16 duration); + +#endif /* WL_BTCOEX_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/brcm80211/brcmfmac/chip.c new file mode 100644 index 00000000000..c7c9f15c0fe --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/chip.c @@ -0,0 +1,1035 @@ +/* + * Copyright (c) 2014 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/list.h> +#include <linux/ssb/ssb_regs.h> +#include <linux/bcma/bcma.h> +#include <linux/bcma/bcma_regs.h> + +#include <defs.h> +#include <soc.h> +#include <brcm_hw_ids.h> +#include <brcmu_utils.h> +#include <chipcommon.h> +#include "dhd_dbg.h" +#include "chip.h" + +/* SOC Interconnect types (aka chip types) */ +#define SOCI_SB 0 +#define SOCI_AI 1 + +/* PL-368 DMP definitions */ +#define DMP_DESC_TYPE_MSK 0x0000000F +#define DMP_DESC_EMPTY 0x00000000 +#define DMP_DESC_VALID 0x00000001 +#define DMP_DESC_COMPONENT 0x00000001 +#define DMP_DESC_MASTER_PORT 0x00000003 +#define DMP_DESC_ADDRESS 0x00000005 +#define DMP_DESC_ADDRSIZE_GT32 0x00000008 +#define DMP_DESC_EOT 0x0000000F + +#define DMP_COMP_DESIGNER 0xFFF00000 +#define DMP_COMP_DESIGNER_S 20 +#define DMP_COMP_PARTNUM 0x000FFF00 +#define DMP_COMP_PARTNUM_S 8 +#define DMP_COMP_CLASS 0x000000F0 +#define DMP_COMP_CLASS_S 4 +#define DMP_COMP_REVISION 0xFF000000 +#define DMP_COMP_REVISION_S 24 +#define DMP_COMP_NUM_SWRAP 0x00F80000 +#define DMP_COMP_NUM_SWRAP_S 19 +#define DMP_COMP_NUM_MWRAP 0x0007C000 +#define DMP_COMP_NUM_MWRAP_S 14 +#define DMP_COMP_NUM_SPORT 0x00003E00 +#define DMP_COMP_NUM_SPORT_S 9 +#define DMP_COMP_NUM_MPORT 0x000001F0 +#define DMP_COMP_NUM_MPORT_S 4 + +#define DMP_MASTER_PORT_UID 0x0000FF00 +#define DMP_MASTER_PORT_UID_S 8 +#define DMP_MASTER_PORT_NUM 0x000000F0 +#define DMP_MASTER_PORT_NUM_S 4 + +#define DMP_SLAVE_ADDR_BASE 0xFFFFF000 +#define DMP_SLAVE_ADDR_BASE_S 12 +#define DMP_SLAVE_PORT_NUM 0x00000F00 +#define DMP_SLAVE_PORT_NUM_S 8 +#define DMP_SLAVE_TYPE 0x000000C0 +#define DMP_SLAVE_TYPE_S 6 +#define DMP_SLAVE_TYPE_SLAVE 0 +#define DMP_SLAVE_TYPE_BRIDGE 1 +#define DMP_SLAVE_TYPE_SWRAP 2 +#define DMP_SLAVE_TYPE_MWRAP 3 +#define DMP_SLAVE_SIZE_TYPE 0x00000030 +#define DMP_SLAVE_SIZE_TYPE_S 4 +#define DMP_SLAVE_SIZE_4K 0 +#define DMP_SLAVE_SIZE_8K 1 +#define DMP_SLAVE_SIZE_16K 2 +#define DMP_SLAVE_SIZE_DESC 3 + +/* EROM CompIdentB */ +#define CIB_REV_MASK 0xff000000 +#define CIB_REV_SHIFT 24 + +/* ARM CR4 core specific control flag bits */ +#define ARMCR4_BCMA_IOCTL_CPUHALT 0x0020 + +/* D11 core specific control flag bits */ +#define D11_BCMA_IOCTL_PHYCLOCKEN 0x0004 +#define D11_BCMA_IOCTL_PHYRESET 0x0008 + +/* chip core base & ramsize */ +/* bcm4329 */ +/* SDIO device core, ID 0x829 */ +#define BCM4329_CORE_BUS_BASE 0x18011000 +/* internal memory core, ID 0x80e */ +#define BCM4329_CORE_SOCRAM_BASE 0x18003000 +/* ARM Cortex M3 core, ID 0x82a */ +#define BCM4329_CORE_ARM_BASE 0x18002000 +#define BCM4329_RAMSIZE 0x48000 + +/* bcm43143 */ +/* SDIO device core */ +#define BCM43143_CORE_BUS_BASE 0x18002000 +/* internal memory core */ +#define BCM43143_CORE_SOCRAM_BASE 0x18004000 +/* ARM Cortex M3 core, ID 0x82a */ +#define BCM43143_CORE_ARM_BASE 0x18003000 +#define BCM43143_RAMSIZE 0x70000 + +#define CORE_SB(base, field) \ + (base + SBCONFIGOFF + offsetof(struct sbconfig, field)) +#define SBCOREREV(sbidh) \ + ((((sbidh) & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT) | \ + ((sbidh) & SSB_IDHIGH_RCLO)) + +struct sbconfig { + u32 PAD[2]; + u32 sbipsflag; /* initiator port ocp slave flag */ + u32 PAD[3]; + u32 sbtpsflag; /* target port ocp slave flag */ + u32 PAD[11]; + u32 sbtmerrloga; /* (sonics >= 2.3) */ + u32 PAD; + u32 sbtmerrlog; /* (sonics >= 2.3) */ + u32 PAD[3]; + u32 sbadmatch3; /* address match3 */ + u32 PAD; + u32 sbadmatch2; /* address match2 */ + u32 PAD; + u32 sbadmatch1; /* address match1 */ + u32 PAD[7]; + u32 sbimstate; /* initiator agent state */ + u32 sbintvec; /* interrupt mask */ + u32 sbtmstatelow; /* target state */ + u32 sbtmstatehigh; /* target state */ + u32 sbbwa0; /* bandwidth allocation table0 */ + u32 PAD; + u32 sbimconfiglow; /* initiator configuration */ + u32 sbimconfighigh; /* initiator configuration */ + u32 sbadmatch0; /* address match0 */ + u32 PAD; + u32 sbtmconfiglow; /* target configuration */ + u32 sbtmconfighigh; /* target configuration */ + u32 sbbconfig; /* broadcast configuration */ + u32 PAD; + u32 sbbstate; /* broadcast state */ + u32 PAD[3]; + u32 sbactcnfg; /* activate configuration */ + u32 PAD[3]; + u32 sbflagst; /* current sbflags */ + u32 PAD[3]; + u32 sbidlow; /* identification */ + u32 sbidhigh; /* identification */ +}; + +struct brcmf_core_priv { + struct brcmf_core pub; + u32 wrapbase; + struct list_head list; + struct brcmf_chip_priv *chip; +}; + +/* ARM CR4 core specific control flag bits */ +#define ARMCR4_BCMA_IOCTL_CPUHALT 0x0020 + +/* D11 core specific control flag bits */ +#define D11_BCMA_IOCTL_PHYCLOCKEN 0x0004 +#define D11_BCMA_IOCTL_PHYRESET 0x0008 + +struct brcmf_chip_priv { + struct brcmf_chip pub; + const struct brcmf_buscore_ops *ops; + void *ctx; + /* assured first core is chipcommon, second core is buscore */ + struct list_head cores; + u16 num_cores; + + bool (*iscoreup)(struct brcmf_core_priv *core); + void (*coredisable)(struct brcmf_core_priv *core, u32 prereset, + u32 reset); + void (*resetcore)(struct brcmf_core_priv *core, u32 prereset, u32 reset, + u32 postreset); +}; + +static void brcmf_chip_sb_corerev(struct brcmf_chip_priv *ci, + struct brcmf_core *core) +{ + u32 regdata; + + regdata = ci->ops->read32(ci->ctx, CORE_SB(core->base, sbidhigh)); + core->rev = SBCOREREV(regdata); +} + +static bool brcmf_chip_sb_iscoreup(struct brcmf_core_priv *core) +{ + struct brcmf_chip_priv *ci; + u32 regdata; + u32 address; + + ci = core->chip; + address = CORE_SB(core->pub.base, sbtmstatelow); + regdata = ci->ops->read32(ci->ctx, address); + regdata &= (SSB_TMSLOW_RESET | SSB_TMSLOW_REJECT | + SSB_IMSTATE_REJECT | SSB_TMSLOW_CLOCK); + return SSB_TMSLOW_CLOCK == regdata; +} + +static bool brcmf_chip_ai_iscoreup(struct brcmf_core_priv *core) +{ + struct brcmf_chip_priv *ci; + u32 regdata; + bool ret; + + ci = core->chip; + regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); + ret = (regdata & (BCMA_IOCTL_FGC | BCMA_IOCTL_CLK)) == BCMA_IOCTL_CLK; + + regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL); + ret = ret && ((regdata & BCMA_RESET_CTL_RESET) == 0); + + return ret; +} + +static void brcmf_chip_sb_coredisable(struct brcmf_core_priv *core, + u32 prereset, u32 reset) +{ + struct brcmf_chip_priv *ci; + u32 val, base; + + ci = core->chip; + base = core->pub.base; + val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + if (val & SSB_TMSLOW_RESET) + return; + + val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + if ((val & SSB_TMSLOW_CLOCK) != 0) { + /* + * set target reject and spin until busy is clear + * (preserve core-specific bits) + */ + val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), + val | SSB_TMSLOW_REJECT); + + val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + udelay(1); + SPINWAIT((ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)) + & SSB_TMSHIGH_BUSY), 100000); + + val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)); + if (val & SSB_TMSHIGH_BUSY) + brcmf_err("core state still busy\n"); + + val = ci->ops->read32(ci->ctx, CORE_SB(base, sbidlow)); + if (val & SSB_IDLOW_INITIATOR) { + val = ci->ops->read32(ci->ctx, + CORE_SB(base, sbimstate)); + val |= SSB_IMSTATE_REJECT; + ci->ops->write32(ci->ctx, + CORE_SB(base, sbimstate), val); + val = ci->ops->read32(ci->ctx, + CORE_SB(base, sbimstate)); + udelay(1); + SPINWAIT((ci->ops->read32(ci->ctx, + CORE_SB(base, sbimstate)) & + SSB_IMSTATE_BUSY), 100000); + } + + /* set reset and reject while enabling the clocks */ + val = SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | + SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET; + ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), val); + val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + udelay(10); + + /* clear the initiator reject bit */ + val = ci->ops->read32(ci->ctx, CORE_SB(base, sbidlow)); + if (val & SSB_IDLOW_INITIATOR) { + val = ci->ops->read32(ci->ctx, + CORE_SB(base, sbimstate)); + val &= ~SSB_IMSTATE_REJECT; + ci->ops->write32(ci->ctx, + CORE_SB(base, sbimstate), val); + } + } + + /* leave reset and reject asserted */ + ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), + (SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET)); + udelay(1); +} + +static void brcmf_chip_ai_coredisable(struct brcmf_core_priv *core, + u32 prereset, u32 reset) +{ + struct brcmf_chip_priv *ci; + u32 regdata; + + ci = core->chip; + + /* if core is already in reset, skip reset */ + regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL); + if ((regdata & BCMA_RESET_CTL_RESET) != 0) + goto in_reset_configure; + + /* configure reset */ + ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, + prereset | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK); + ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); + + /* put in reset */ + ci->ops->write32(ci->ctx, core->wrapbase + BCMA_RESET_CTL, + BCMA_RESET_CTL_RESET); + usleep_range(10, 20); + + /* wait till reset is 1 */ + SPINWAIT(ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL) != + BCMA_RESET_CTL_RESET, 300); + +in_reset_configure: + /* in-reset configure */ + ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, + reset | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK); + ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); +} + +static void brcmf_chip_sb_resetcore(struct brcmf_core_priv *core, u32 prereset, + u32 reset, u32 postreset) +{ + struct brcmf_chip_priv *ci; + u32 regdata; + u32 base; + + ci = core->chip; + base = core->pub.base; + /* + * Must do the disable sequence first to work for + * arbitrary current core state. + */ + brcmf_chip_sb_coredisable(core, 0, 0); + + /* + * Now do the initialization sequence. + * set reset while enabling the clock and + * forcing them on throughout the core + */ + ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), + SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | + SSB_TMSLOW_RESET); + regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + udelay(1); + + /* clear any serror */ + regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)); + if (regdata & SSB_TMSHIGH_SERR) + ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatehigh), 0); + + regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbimstate)); + if (regdata & (SSB_IMSTATE_IBE | SSB_IMSTATE_TO)) { + regdata &= ~(SSB_IMSTATE_IBE | SSB_IMSTATE_TO); + ci->ops->write32(ci->ctx, CORE_SB(base, sbimstate), regdata); + } + + /* clear reset and allow it to propagate throughout the core */ + ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), + SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK); + regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + udelay(1); + + /* leave clock enabled */ + ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), + SSB_TMSLOW_CLOCK); + regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + udelay(1); +} + +static void brcmf_chip_ai_resetcore(struct brcmf_core_priv *core, u32 prereset, + u32 reset, u32 postreset) +{ + struct brcmf_chip_priv *ci; + int count; + + ci = core->chip; + + /* must disable first to work for arbitrary current core state */ + brcmf_chip_ai_coredisable(core, prereset, reset); + + count = 0; + while (ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL) & + BCMA_RESET_CTL_RESET) { + ci->ops->write32(ci->ctx, core->wrapbase + BCMA_RESET_CTL, 0); + count++; + if (count > 50) + break; + usleep_range(40, 60); + } + + ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, + postreset | BCMA_IOCTL_CLK); + ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); +} + +static char *brcmf_chip_name(uint chipid, char *buf, uint len) +{ + const char *fmt; + + fmt = ((chipid > 0xa000) || (chipid < 0x4000)) ? "%d" : "%x"; + snprintf(buf, len, fmt, chipid); + return buf; +} + +static struct brcmf_core *brcmf_chip_add_core(struct brcmf_chip_priv *ci, + u16 coreid, u32 base, + u32 wrapbase) +{ + struct brcmf_core_priv *core; + + core = kzalloc(sizeof(*core), GFP_KERNEL); + if (!core) + return ERR_PTR(-ENOMEM); + + core->pub.id = coreid; + core->pub.base = base; + core->chip = ci; + core->wrapbase = wrapbase; + + list_add_tail(&core->list, &ci->cores); + return &core->pub; +} + +#ifdef DEBUG +/* safety check for chipinfo */ +static int brcmf_chip_cores_check(struct brcmf_chip_priv *ci) +{ + struct brcmf_core_priv *core; + bool need_socram = false; + bool has_socram = false; + int idx = 1; + + list_for_each_entry(core, &ci->cores, list) { + brcmf_dbg(INFO, " [%-2d] core 0x%x:%-2d base 0x%08x wrap 0x%08x\n", + idx++, core->pub.id, core->pub.rev, core->pub.base, + core->wrapbase); + + switch (core->pub.id) { + case BCMA_CORE_ARM_CM3: + need_socram = true; + break; + case BCMA_CORE_INTERNAL_MEM: + has_socram = true; + break; + case BCMA_CORE_ARM_CR4: + if (ci->pub.rambase == 0) { + brcmf_err("RAM base not provided with ARM CR4 core\n"); + return -ENOMEM; + } + break; + default: + break; + } + } + + /* check RAM core presence for ARM CM3 core */ + if (need_socram && !has_socram) { + brcmf_err("RAM core not provided with ARM CM3 core\n"); + return -ENODEV; + } + return 0; +} +#else /* DEBUG */ +static inline int brcmf_chip_cores_check(struct brcmf_chip_priv *ci) +{ + return 0; +} +#endif + +static void brcmf_chip_get_raminfo(struct brcmf_chip_priv *ci) +{ + switch (ci->pub.chip) { + case BCM4329_CHIP_ID: + ci->pub.ramsize = BCM4329_RAMSIZE; + break; + case BCM43143_CHIP_ID: + ci->pub.ramsize = BCM43143_RAMSIZE; + break; + case BCM43241_CHIP_ID: + ci->pub.ramsize = 0x90000; + break; + case BCM4330_CHIP_ID: + ci->pub.ramsize = 0x48000; + break; + case BCM4334_CHIP_ID: + ci->pub.ramsize = 0x80000; + break; + case BCM4335_CHIP_ID: + ci->pub.ramsize = 0xc0000; + ci->pub.rambase = 0x180000; + break; + case BCM43362_CHIP_ID: + ci->pub.ramsize = 0x3c000; + break; + case BCM4339_CHIP_ID: + case BCM4354_CHIP_ID: + ci->pub.ramsize = 0xc0000; + ci->pub.rambase = 0x180000; + break; + default: + brcmf_err("unknown chip: %s\n", ci->pub.name); + break; + } +} + +static u32 brcmf_chip_dmp_get_desc(struct brcmf_chip_priv *ci, u32 *eromaddr, + u8 *type) +{ + u32 val; + + /* read next descriptor */ + val = ci->ops->read32(ci->ctx, *eromaddr); + *eromaddr += 4; + + if (!type) + return val; + + /* determine descriptor type */ + *type = (val & DMP_DESC_TYPE_MSK); + if ((*type & ~DMP_DESC_ADDRSIZE_GT32) == DMP_DESC_ADDRESS) + *type = DMP_DESC_ADDRESS; + + return val; +} + +static int brcmf_chip_dmp_get_regaddr(struct brcmf_chip_priv *ci, u32 *eromaddr, + u32 *regbase, u32 *wrapbase) +{ + u8 desc; + u32 val; + u8 mpnum = 0; + u8 stype, sztype, wraptype; + + *regbase = 0; + *wrapbase = 0; + + val = brcmf_chip_dmp_get_desc(ci, eromaddr, &desc); + if (desc == DMP_DESC_MASTER_PORT) { + mpnum = (val & DMP_MASTER_PORT_NUM) >> DMP_MASTER_PORT_NUM_S; + wraptype = DMP_SLAVE_TYPE_MWRAP; + } else if (desc == DMP_DESC_ADDRESS) { + /* revert erom address */ + *eromaddr -= 4; + wraptype = DMP_SLAVE_TYPE_SWRAP; + } else { + *eromaddr -= 4; + return -EILSEQ; + } + + do { + /* locate address descriptor */ + do { + val = brcmf_chip_dmp_get_desc(ci, eromaddr, &desc); + /* unexpected table end */ + if (desc == DMP_DESC_EOT) { + *eromaddr -= 4; + return -EFAULT; + } + } while (desc != DMP_DESC_ADDRESS); + + /* skip upper 32-bit address descriptor */ + if (val & DMP_DESC_ADDRSIZE_GT32) + brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); + + sztype = (val & DMP_SLAVE_SIZE_TYPE) >> DMP_SLAVE_SIZE_TYPE_S; + + /* next size descriptor can be skipped */ + if (sztype == DMP_SLAVE_SIZE_DESC) { + val = brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); + /* skip upper size descriptor if present */ + if (val & DMP_DESC_ADDRSIZE_GT32) + brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); + } + + /* only look for 4K register regions */ + if (sztype != DMP_SLAVE_SIZE_4K) + continue; + + stype = (val & DMP_SLAVE_TYPE) >> DMP_SLAVE_TYPE_S; + + /* only regular slave and wrapper */ + if (*regbase == 0 && stype == DMP_SLAVE_TYPE_SLAVE) + *regbase = val & DMP_SLAVE_ADDR_BASE; + if (*wrapbase == 0 && stype == wraptype) + *wrapbase = val & DMP_SLAVE_ADDR_BASE; + } while (*regbase == 0 || *wrapbase == 0); + + return 0; +} + +static +int brcmf_chip_dmp_erom_scan(struct brcmf_chip_priv *ci) +{ + struct brcmf_core *core; + u32 eromaddr; + u8 desc_type = 0; + u32 val; + u16 id; + u8 nmp, nsp, nmw, nsw, rev; + u32 base, wrap; + int err; + + eromaddr = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, eromptr)); + + while (desc_type != DMP_DESC_EOT) { + val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); + if (!(val & DMP_DESC_VALID)) + continue; + + if (desc_type == DMP_DESC_EMPTY) + continue; + + /* need a component descriptor */ + if (desc_type != DMP_DESC_COMPONENT) + continue; + + id = (val & DMP_COMP_PARTNUM) >> DMP_COMP_PARTNUM_S; + + /* next descriptor must be component as well */ + val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); + if (WARN_ON((val & DMP_DESC_TYPE_MSK) != DMP_DESC_COMPONENT)) + return -EFAULT; + + /* only look at cores with master port(s) */ + nmp = (val & DMP_COMP_NUM_MPORT) >> DMP_COMP_NUM_MPORT_S; + nsp = (val & DMP_COMP_NUM_SPORT) >> DMP_COMP_NUM_SPORT_S; + nmw = (val & DMP_COMP_NUM_MWRAP) >> DMP_COMP_NUM_MWRAP_S; + nsw = (val & DMP_COMP_NUM_SWRAP) >> DMP_COMP_NUM_SWRAP_S; + rev = (val & DMP_COMP_REVISION) >> DMP_COMP_REVISION_S; + + /* need core with ports */ + if (nmw + nsw == 0) + continue; + + /* try to obtain register address info */ + err = brcmf_chip_dmp_get_regaddr(ci, &eromaddr, &base, &wrap); + if (err) + continue; + + /* finally a core to be added */ + core = brcmf_chip_add_core(ci, id, base, wrap); + if (IS_ERR(core)) + return PTR_ERR(core); + + core->rev = rev; + } + + return 0; +} + +static int brcmf_chip_recognition(struct brcmf_chip_priv *ci) +{ + struct brcmf_core *core; + u32 regdata; + u32 socitype; + + /* Get CC core rev + * Chipid is assume to be at offset 0 from SI_ENUM_BASE + * For different chiptypes or old sdio hosts w/o chipcommon, + * other ways of recognition should be added here. + */ + regdata = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, chipid)); + ci->pub.chip = regdata & CID_ID_MASK; + ci->pub.chiprev = (regdata & CID_REV_MASK) >> CID_REV_SHIFT; + socitype = (regdata & CID_TYPE_MASK) >> CID_TYPE_SHIFT; + + brcmf_chip_name(ci->pub.chip, ci->pub.name, sizeof(ci->pub.name)); + brcmf_dbg(INFO, "found %s chip: BCM%s, rev=%d\n", + socitype == SOCI_SB ? "SB" : "AXI", ci->pub.name, + ci->pub.chiprev); + + if (socitype == SOCI_SB) { + if (ci->pub.chip != BCM4329_CHIP_ID) { + brcmf_err("SB chip is not supported\n"); + return -ENODEV; + } + ci->iscoreup = brcmf_chip_sb_iscoreup; + ci->coredisable = brcmf_chip_sb_coredisable; + ci->resetcore = brcmf_chip_sb_resetcore; + + core = brcmf_chip_add_core(ci, BCMA_CORE_CHIPCOMMON, + SI_ENUM_BASE, 0); + brcmf_chip_sb_corerev(ci, core); + core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, + BCM4329_CORE_BUS_BASE, 0); + brcmf_chip_sb_corerev(ci, core); + core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, + BCM4329_CORE_SOCRAM_BASE, 0); + brcmf_chip_sb_corerev(ci, core); + core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, + BCM4329_CORE_ARM_BASE, 0); + brcmf_chip_sb_corerev(ci, core); + + core = brcmf_chip_add_core(ci, BCMA_CORE_80211, 0x18001000, 0); + brcmf_chip_sb_corerev(ci, core); + } else if (socitype == SOCI_AI) { + ci->iscoreup = brcmf_chip_ai_iscoreup; + ci->coredisable = brcmf_chip_ai_coredisable; + ci->resetcore = brcmf_chip_ai_resetcore; + + brcmf_chip_dmp_erom_scan(ci); + } else { + brcmf_err("chip backplane type %u is not supported\n", + socitype); + return -ENODEV; + } + + brcmf_chip_get_raminfo(ci); + + return brcmf_chip_cores_check(ci); +} + +static void brcmf_chip_disable_arm(struct brcmf_chip_priv *chip, u16 id) +{ + struct brcmf_core *core; + struct brcmf_core_priv *cr4; + u32 val; + + + core = brcmf_chip_get_core(&chip->pub, id); + if (!core) + return; + + switch (id) { + case BCMA_CORE_ARM_CM3: + brcmf_chip_coredisable(core, 0, 0); + break; + case BCMA_CORE_ARM_CR4: + cr4 = container_of(core, struct brcmf_core_priv, pub); + + /* clear all IOCTL bits except HALT bit */ + val = chip->ops->read32(chip->ctx, cr4->wrapbase + BCMA_IOCTL); + val &= ARMCR4_BCMA_IOCTL_CPUHALT; + brcmf_chip_resetcore(core, val, ARMCR4_BCMA_IOCTL_CPUHALT, + ARMCR4_BCMA_IOCTL_CPUHALT); + break; + default: + brcmf_err("unknown id: %u\n", id); + break; + } +} + +static int brcmf_chip_setup(struct brcmf_chip_priv *chip) +{ + struct brcmf_chip *pub; + struct brcmf_core_priv *cc; + u32 base; + u32 val; + int ret = 0; + + pub = &chip->pub; + cc = list_first_entry(&chip->cores, struct brcmf_core_priv, list); + base = cc->pub.base; + + /* get chipcommon capabilites */ + pub->cc_caps = chip->ops->read32(chip->ctx, + CORE_CC_REG(base, capabilities)); + + /* get pmu caps & rev */ + if (pub->cc_caps & CC_CAP_PMU) { + val = chip->ops->read32(chip->ctx, + CORE_CC_REG(base, pmucapabilities)); + pub->pmurev = val & PCAP_REV_MASK; + pub->pmucaps = val; + } + + brcmf_dbg(INFO, "ccrev=%d, pmurev=%d, pmucaps=0x%x\n", + cc->pub.rev, pub->pmurev, pub->pmucaps); + + /* execute bus core specific setup */ + if (chip->ops->setup) + ret = chip->ops->setup(chip->ctx, pub); + + /* + * Make sure any on-chip ARM is off (in case strapping is wrong), + * or downloaded code was already running. + */ + brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CM3); + brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CR4); + return ret; +} + +struct brcmf_chip *brcmf_chip_attach(void *ctx, + const struct brcmf_buscore_ops *ops) +{ + struct brcmf_chip_priv *chip; + int err = 0; + + if (WARN_ON(!ops->read32)) + err = -EINVAL; + if (WARN_ON(!ops->write32)) + err = -EINVAL; + if (WARN_ON(!ops->prepare)) + err = -EINVAL; + if (WARN_ON(!ops->exit_dl)) + err = -EINVAL; + if (err < 0) + return ERR_PTR(-EINVAL); + + chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + return ERR_PTR(-ENOMEM); + + INIT_LIST_HEAD(&chip->cores); + chip->num_cores = 0; + chip->ops = ops; + chip->ctx = ctx; + + err = ops->prepare(ctx); + if (err < 0) + goto fail; + + err = brcmf_chip_recognition(chip); + if (err < 0) + goto fail; + + err = brcmf_chip_setup(chip); + if (err < 0) + goto fail; + + return &chip->pub; + +fail: + brcmf_chip_detach(&chip->pub); + return ERR_PTR(err); +} + +void brcmf_chip_detach(struct brcmf_chip *pub) +{ + struct brcmf_chip_priv *chip; + struct brcmf_core_priv *core; + struct brcmf_core_priv *tmp; + + chip = container_of(pub, struct brcmf_chip_priv, pub); + list_for_each_entry_safe(core, tmp, &chip->cores, list) { + list_del(&core->list); + kfree(core); + } + kfree(chip); +} + +struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *pub, u16 coreid) +{ + struct brcmf_chip_priv *chip; + struct brcmf_core_priv *core; + + chip = container_of(pub, struct brcmf_chip_priv, pub); + list_for_each_entry(core, &chip->cores, list) + if (core->pub.id == coreid) + return &core->pub; + + return NULL; +} + +struct brcmf_core *brcmf_chip_get_chipcommon(struct brcmf_chip *pub) +{ + struct brcmf_chip_priv *chip; + struct brcmf_core_priv *cc; + + chip = container_of(pub, struct brcmf_chip_priv, pub); + cc = list_first_entry(&chip->cores, struct brcmf_core_priv, list); + if (WARN_ON(!cc || cc->pub.id != BCMA_CORE_CHIPCOMMON)) + return brcmf_chip_get_core(pub, BCMA_CORE_CHIPCOMMON); + return &cc->pub; +} + +bool brcmf_chip_iscoreup(struct brcmf_core *pub) +{ + struct brcmf_core_priv *core; + + core = container_of(pub, struct brcmf_core_priv, pub); + return core->chip->iscoreup(core); +} + +void brcmf_chip_coredisable(struct brcmf_core *pub, u32 prereset, u32 reset) +{ + struct brcmf_core_priv *core; + + core = container_of(pub, struct brcmf_core_priv, pub); + core->chip->coredisable(core, prereset, reset); +} + +void brcmf_chip_resetcore(struct brcmf_core *pub, u32 prereset, u32 reset, + u32 postreset) +{ + struct brcmf_core_priv *core; + + core = container_of(pub, struct brcmf_core_priv, pub); + core->chip->resetcore(core, prereset, reset, postreset); +} + +static void +brcmf_chip_cm3_enterdl(struct brcmf_chip_priv *chip) +{ + struct brcmf_core *core; + + brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CM3); + core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211); + brcmf_chip_resetcore(core, D11_BCMA_IOCTL_PHYRESET | + D11_BCMA_IOCTL_PHYCLOCKEN, + D11_BCMA_IOCTL_PHYCLOCKEN, + D11_BCMA_IOCTL_PHYCLOCKEN); + core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_INTERNAL_MEM); + brcmf_chip_resetcore(core, 0, 0, 0); +} + +static bool brcmf_chip_cm3_exitdl(struct brcmf_chip_priv *chip) +{ + struct brcmf_core *core; + + core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_INTERNAL_MEM); + if (!brcmf_chip_iscoreup(core)) { + brcmf_err("SOCRAM core is down after reset?\n"); + return false; + } + + chip->ops->exit_dl(chip->ctx, &chip->pub, 0); + + core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CM3); + brcmf_chip_resetcore(core, 0, 0, 0); + + return true; +} + +static inline void +brcmf_chip_cr4_enterdl(struct brcmf_chip_priv *chip) +{ + struct brcmf_core *core; + + brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CR4); + + core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211); + brcmf_chip_resetcore(core, D11_BCMA_IOCTL_PHYRESET | + D11_BCMA_IOCTL_PHYCLOCKEN, + D11_BCMA_IOCTL_PHYCLOCKEN, + D11_BCMA_IOCTL_PHYCLOCKEN); +} + +static bool brcmf_chip_cr4_exitdl(struct brcmf_chip_priv *chip, u32 rstvec) +{ + struct brcmf_core *core; + + chip->ops->exit_dl(chip->ctx, &chip->pub, rstvec); + + /* restore ARM */ + core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CR4); + brcmf_chip_resetcore(core, ARMCR4_BCMA_IOCTL_CPUHALT, 0, 0); + + return true; +} + +void brcmf_chip_enter_download(struct brcmf_chip *pub) +{ + struct brcmf_chip_priv *chip; + struct brcmf_core *arm; + + brcmf_dbg(TRACE, "Enter\n"); + + chip = container_of(pub, struct brcmf_chip_priv, pub); + arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CR4); + if (arm) { + brcmf_chip_cr4_enterdl(chip); + return; + } + + brcmf_chip_cm3_enterdl(chip); +} + +bool brcmf_chip_exit_download(struct brcmf_chip *pub, u32 rstvec) +{ + struct brcmf_chip_priv *chip; + struct brcmf_core *arm; + + brcmf_dbg(TRACE, "Enter\n"); + + chip = container_of(pub, struct brcmf_chip_priv, pub); + arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CR4); + if (arm) + return brcmf_chip_cr4_exitdl(chip, rstvec); + + return brcmf_chip_cm3_exitdl(chip); +} + +bool brcmf_chip_sr_capable(struct brcmf_chip *pub) +{ + u32 base, addr, reg, pmu_cc3_mask = ~0; + struct brcmf_chip_priv *chip; + + brcmf_dbg(TRACE, "Enter\n"); + + /* old chips with PMU version less than 17 don't support save restore */ + if (pub->pmurev < 17) + return false; + + base = brcmf_chip_get_chipcommon(pub)->base; + chip = container_of(pub, struct brcmf_chip_priv, pub); + + switch (pub->chip) { + case BCM4354_CHIP_ID: + /* explicitly check SR engine enable bit */ + pmu_cc3_mask = BIT(2); + /* fall-through */ + case BCM43241_CHIP_ID: + case BCM4335_CHIP_ID: + case BCM4339_CHIP_ID: + /* read PMU chipcontrol register 3 */ + addr = CORE_CC_REG(base, chipcontrol_addr); + chip->ops->write32(chip->ctx, addr, 3); + addr = CORE_CC_REG(base, chipcontrol_data); + reg = chip->ops->read32(chip->ctx, addr); + return (reg & pmu_cc3_mask) != 0; + default: + addr = CORE_CC_REG(base, pmucapabilities_ext); + reg = chip->ops->read32(chip->ctx, addr); + if ((reg & PCAPEXT_SR_SUPPORTED_MASK) == 0) + return false; + + addr = CORE_CC_REG(base, retention_ctl); + reg = chip->ops->read32(chip->ctx, addr); + return (reg & (PMU_RCTL_MACPHY_DISABLE_MASK | + PMU_RCTL_LOGIC_DISABLE_MASK)) == 0; + } +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/chip.h b/drivers/net/wireless/brcm80211/brcmfmac/chip.h new file mode 100644 index 00000000000..c32908da90c --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/chip.h @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2014 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef BRCMF_CHIP_H +#define BRCMF_CHIP_H + +#include <linux/types.h> + +#define CORE_CC_REG(base, field) \ + (base + offsetof(struct chipcregs, field)) + +/** + * struct brcmf_chip - chip level information. + * + * @chip: chip identifier. + * @chiprev: chip revision. + * @cc_caps: chipcommon core capabilities. + * @pmucaps: PMU capabilities. + * @pmurev: PMU revision. + * @rambase: RAM base address (only applicable for ARM CR4 chips). + * @ramsize: amount of RAM on chip. + * @name: string representation of the chip identifier. + */ +struct brcmf_chip { + u32 chip; + u32 chiprev; + u32 cc_caps; + u32 pmucaps; + u32 pmurev; + u32 rambase; + u32 ramsize; + char name[8]; +}; + +/** + * struct brcmf_core - core related information. + * + * @id: core identifier. + * @rev: core revision. + * @base: base address of core register space. + */ +struct brcmf_core { + u16 id; + u16 rev; + u32 base; +}; + +/** + * struct brcmf_buscore_ops - buscore specific callbacks. + * + * @read32: read 32-bit value over bus. + * @write32: write 32-bit value over bus. + * @prepare: prepare bus for core configuration. + * @setup: bus-specific core setup. + * @exit_dl: exit download state. + * The callback should use the provided @rstvec when non-zero. + */ +struct brcmf_buscore_ops { + u32 (*read32)(void *ctx, u32 addr); + void (*write32)(void *ctx, u32 addr, u32 value); + int (*prepare)(void *ctx); + int (*setup)(void *ctx, struct brcmf_chip *chip); + void (*exit_dl)(void *ctx, struct brcmf_chip *chip, u32 rstvec); +}; + +struct brcmf_chip *brcmf_chip_attach(void *ctx, + const struct brcmf_buscore_ops *ops); +void brcmf_chip_detach(struct brcmf_chip *chip); +struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *chip, u16 coreid); +struct brcmf_core *brcmf_chip_get_chipcommon(struct brcmf_chip *chip); +bool brcmf_chip_iscoreup(struct brcmf_core *core); +void brcmf_chip_coredisable(struct brcmf_core *core, u32 prereset, u32 reset); +void brcmf_chip_resetcore(struct brcmf_core *core, u32 prereset, u32 reset, + u32 postreset); +void brcmf_chip_enter_download(struct brcmf_chip *ci); +bool brcmf_chip_exit_download(struct brcmf_chip *ci, u32 rstvec); +bool brcmf_chip_sr_capable(struct brcmf_chip *pub); + +#endif /* BRCMF_AXIDMP_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h index 17e7ae73e00..16f9ab2568a 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h @@ -21,579 +21,33 @@ #ifndef _BRCMF_H_ #define _BRCMF_H_ -#define BRCMF_VERSION_STR "4.218.248.5" - -/******************************************************************************* - * IO codes that are interpreted by dongle firmware - ******************************************************************************/ -#define BRCMF_C_UP 2 -#define BRCMF_C_DOWN 3 -#define BRCMF_C_SET_PROMISC 10 -#define BRCMF_C_GET_RATE 12 -#define BRCMF_C_GET_INFRA 19 -#define BRCMF_C_SET_INFRA 20 -#define BRCMF_C_GET_AUTH 21 -#define BRCMF_C_SET_AUTH 22 -#define BRCMF_C_GET_BSSID 23 -#define BRCMF_C_GET_SSID 25 -#define BRCMF_C_SET_SSID 26 -#define BRCMF_C_GET_CHANNEL 29 -#define BRCMF_C_GET_SRL 31 -#define BRCMF_C_GET_LRL 33 -#define BRCMF_C_GET_RADIO 37 -#define BRCMF_C_SET_RADIO 38 -#define BRCMF_C_GET_PHYTYPE 39 -#define BRCMF_C_SET_KEY 45 -#define BRCMF_C_SET_PASSIVE_SCAN 49 -#define BRCMF_C_SCAN 50 -#define BRCMF_C_SCAN_RESULTS 51 -#define BRCMF_C_DISASSOC 52 -#define BRCMF_C_REASSOC 53 -#define BRCMF_C_SET_ROAM_TRIGGER 55 -#define BRCMF_C_SET_ROAM_DELTA 57 -#define BRCMF_C_GET_BCNPRD 75 -#define BRCMF_C_SET_BCNPRD 76 -#define BRCMF_C_GET_DTIMPRD 77 -#define BRCMF_C_SET_DTIMPRD 78 -#define BRCMF_C_SET_COUNTRY 84 -#define BRCMF_C_GET_PM 85 -#define BRCMF_C_SET_PM 86 -#define BRCMF_C_GET_AP 117 -#define BRCMF_C_SET_AP 118 -#define BRCMF_C_GET_RSSI 127 -#define BRCMF_C_GET_WSEC 133 -#define BRCMF_C_SET_WSEC 134 -#define BRCMF_C_GET_PHY_NOISE 135 -#define BRCMF_C_GET_BSS_INFO 136 -#define BRCMF_C_SET_SCAN_CHANNEL_TIME 185 -#define BRCMF_C_SET_SCAN_UNASSOC_TIME 187 -#define BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON 201 -#define BRCMF_C_GET_VALID_CHANNELS 217 -#define BRCMF_C_GET_KEY_PRIMARY 235 -#define BRCMF_C_SET_KEY_PRIMARY 236 -#define BRCMF_C_SET_SCAN_PASSIVE_TIME 258 -#define BRCMF_C_GET_VAR 262 -#define BRCMF_C_SET_VAR 263 - -/* phy types (returned by WLC_GET_PHYTPE) */ -#define WLC_PHY_TYPE_A 0 -#define WLC_PHY_TYPE_B 1 -#define WLC_PHY_TYPE_G 2 -#define WLC_PHY_TYPE_N 4 -#define WLC_PHY_TYPE_LP 5 -#define WLC_PHY_TYPE_SSN 6 -#define WLC_PHY_TYPE_HT 7 -#define WLC_PHY_TYPE_LCN 8 -#define WLC_PHY_TYPE_NULL 0xf - -#define BRCMF_EVENTING_MASK_LEN 16 +#include "fweh.h" #define TOE_TX_CSUM_OL 0x00000001 #define TOE_RX_CSUM_OL 0x00000002 -#define BRCMF_BSS_INFO_VERSION 109 /* curr ver of brcmf_bss_info_le struct */ - -/* size of brcmf_scan_params not including variable length array */ -#define BRCMF_SCAN_PARAMS_FIXED_SIZE 64 - -/* masks for channel and ssid count */ -#define BRCMF_SCAN_PARAMS_COUNT_MASK 0x0000ffff -#define BRCMF_SCAN_PARAMS_NSSID_SHIFT 16 - -#define BRCMF_SCAN_ACTION_START 1 -#define BRCMF_SCAN_ACTION_CONTINUE 2 -#define WL_SCAN_ACTION_ABORT 3 - -#define BRCMF_ISCAN_REQ_VERSION 1 - -/* brcmf_iscan_results status values */ -#define BRCMF_SCAN_RESULTS_SUCCESS 0 -#define BRCMF_SCAN_RESULTS_PARTIAL 1 -#define BRCMF_SCAN_RESULTS_PENDING 2 -#define BRCMF_SCAN_RESULTS_ABORTED 3 -#define BRCMF_SCAN_RESULTS_NO_MEM 4 - -/* Indicates this key is using soft encrypt */ -#define WL_SOFT_KEY (1 << 0) -/* primary (ie tx) key */ -#define BRCMF_PRIMARY_KEY (1 << 1) -/* Reserved for backward compat */ -#define WL_KF_RES_4 (1 << 4) -/* Reserved for backward compat */ -#define WL_KF_RES_5 (1 << 5) -/* Indicates a group key for a IBSS PEER */ -#define WL_IBSS_PEER_GROUP_KEY (1 << 6) - /* For supporting multiple interfaces */ #define BRCMF_MAX_IFS 16 -#define DOT11_BSSTYPE_ANY 2 #define DOT11_MAX_DEFAULT_KEYS 4 -#define BRCMF_EVENT_MSG_LINK 0x01 -#define BRCMF_EVENT_MSG_FLUSHTXQ 0x02 -#define BRCMF_EVENT_MSG_GROUP 0x04 - -#define BRCMF_ESCAN_REQ_VERSION 1 - -#define WLC_BSS_RSSI_ON_CHANNEL 0x0002 - -#define BRCMF_MAXRATES_IN_SET 16 /* max # of rates in rateset */ -#define BRCMF_STA_ASSOC 0x10 /* Associated */ - -struct brcmf_event_msg { - __be16 version; - __be16 flags; - __be32 event_type; - __be32 status; - __be32 reason; - __be32 auth_type; - __be32 datalen; - u8 addr[ETH_ALEN]; - char ifname[IFNAMSIZ]; - u8 ifidx; - u8 bsscfgidx; -} __packed; - -struct brcm_ethhdr { - u16 subtype; - u16 length; - u8 version; - u8 oui[3]; - u16 usr_subtype; -} __packed; - -struct brcmf_event { - struct ethhdr eth; - struct brcm_ethhdr hdr; - struct brcmf_event_msg msg; -} __packed; - -/* event codes sent by the dongle to this driver */ -#define BRCMF_E_SET_SSID 0 -#define BRCMF_E_JOIN 1 -#define BRCMF_E_START 2 -#define BRCMF_E_AUTH 3 -#define BRCMF_E_AUTH_IND 4 -#define BRCMF_E_DEAUTH 5 -#define BRCMF_E_DEAUTH_IND 6 -#define BRCMF_E_ASSOC 7 -#define BRCMF_E_ASSOC_IND 8 -#define BRCMF_E_REASSOC 9 -#define BRCMF_E_REASSOC_IND 10 -#define BRCMF_E_DISASSOC 11 -#define BRCMF_E_DISASSOC_IND 12 -#define BRCMF_E_QUIET_START 13 -#define BRCMF_E_QUIET_END 14 -#define BRCMF_E_BEACON_RX 15 -#define BRCMF_E_LINK 16 -#define BRCMF_E_MIC_ERROR 17 -#define BRCMF_E_NDIS_LINK 18 -#define BRCMF_E_ROAM 19 -#define BRCMF_E_TXFAIL 20 -#define BRCMF_E_PMKID_CACHE 21 -#define BRCMF_E_RETROGRADE_TSF 22 -#define BRCMF_E_PRUNE 23 -#define BRCMF_E_AUTOAUTH 24 -#define BRCMF_E_EAPOL_MSG 25 -#define BRCMF_E_SCAN_COMPLETE 26 -#define BRCMF_E_ADDTS_IND 27 -#define BRCMF_E_DELTS_IND 28 -#define BRCMF_E_BCNSENT_IND 29 -#define BRCMF_E_BCNRX_MSG 30 -#define BRCMF_E_BCNLOST_MSG 31 -#define BRCMF_E_ROAM_PREP 32 -#define BRCMF_E_PFN_NET_FOUND 33 -#define BRCMF_E_PFN_NET_LOST 34 -#define BRCMF_E_RESET_COMPLETE 35 -#define BRCMF_E_JOIN_START 36 -#define BRCMF_E_ROAM_START 37 -#define BRCMF_E_ASSOC_START 38 -#define BRCMF_E_IBSS_ASSOC 39 -#define BRCMF_E_RADIO 40 -#define BRCMF_E_PSM_WATCHDOG 41 -#define BRCMF_E_PROBREQ_MSG 44 -#define BRCMF_E_SCAN_CONFIRM_IND 45 -#define BRCMF_E_PSK_SUP 46 -#define BRCMF_E_COUNTRY_CODE_CHANGED 47 -#define BRCMF_E_EXCEEDED_MEDIUM_TIME 48 -#define BRCMF_E_ICV_ERROR 49 -#define BRCMF_E_UNICAST_DECODE_ERROR 50 -#define BRCMF_E_MULTICAST_DECODE_ERROR 51 -#define BRCMF_E_TRACE 52 -#define BRCMF_E_IF 54 -#define BRCMF_E_RSSI 56 -#define BRCMF_E_PFN_SCAN_COMPLETE 57 -#define BRCMF_E_EXTLOG_MSG 58 -#define BRCMF_E_ACTION_FRAME 59 -#define BRCMF_E_ACTION_FRAME_COMPLETE 60 -#define BRCMF_E_PRE_ASSOC_IND 61 -#define BRCMF_E_PRE_REASSOC_IND 62 -#define BRCMF_E_CHANNEL_ADOPTED 63 -#define BRCMF_E_AP_STARTED 64 -#define BRCMF_E_DFS_AP_STOP 65 -#define BRCMF_E_DFS_AP_RESUME 66 -#define BRCMF_E_RESERVED1 67 -#define BRCMF_E_RESERVED2 68 -#define BRCMF_E_ESCAN_RESULT 69 -#define BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE 70 -#define BRCMF_E_DCS_REQUEST 73 - -#define BRCMF_E_FIFO_CREDIT_MAP 74 - -#define BRCMF_E_LAST 75 - -#define BRCMF_E_STATUS_SUCCESS 0 -#define BRCMF_E_STATUS_FAIL 1 -#define BRCMF_E_STATUS_TIMEOUT 2 -#define BRCMF_E_STATUS_NO_NETWORKS 3 -#define BRCMF_E_STATUS_ABORT 4 -#define BRCMF_E_STATUS_NO_ACK 5 -#define BRCMF_E_STATUS_UNSOLICITED 6 -#define BRCMF_E_STATUS_ATTEMPT 7 -#define BRCMF_E_STATUS_PARTIAL 8 -#define BRCMF_E_STATUS_NEWSCAN 9 -#define BRCMF_E_STATUS_NEWASSOC 10 -#define BRCMF_E_STATUS_11HQUIET 11 -#define BRCMF_E_STATUS_SUPPRESS 12 -#define BRCMF_E_STATUS_NOCHANS 13 -#define BRCMF_E_STATUS_CS_ABORT 15 -#define BRCMF_E_STATUS_ERROR 16 - -#define BRCMF_E_REASON_INITIAL_ASSOC 0 -#define BRCMF_E_REASON_LOW_RSSI 1 -#define BRCMF_E_REASON_DEAUTH 2 -#define BRCMF_E_REASON_DISASSOC 3 -#define BRCMF_E_REASON_BCNS_LOST 4 -#define BRCMF_E_REASON_MINTXRATE 9 -#define BRCMF_E_REASON_TXFAIL 10 - -#define BRCMF_E_REASON_FAST_ROAM_FAILED 5 -#define BRCMF_E_REASON_DIRECTED_ROAM 6 -#define BRCMF_E_REASON_TSPEC_REJECTED 7 -#define BRCMF_E_REASON_BETTER_AP 8 - -#define BRCMF_E_PRUNE_ENCR_MISMATCH 1 -#define BRCMF_E_PRUNE_BCAST_BSSID 2 -#define BRCMF_E_PRUNE_MAC_DENY 3 -#define BRCMF_E_PRUNE_MAC_NA 4 -#define BRCMF_E_PRUNE_REG_PASSV 5 -#define BRCMF_E_PRUNE_SPCT_MGMT 6 -#define BRCMF_E_PRUNE_RADAR 7 -#define BRCMF_E_RSN_MISMATCH 8 -#define BRCMF_E_PRUNE_NO_COMMON_RATES 9 -#define BRCMF_E_PRUNE_BASIC_RATES 10 -#define BRCMF_E_PRUNE_CIPHER_NA 12 -#define BRCMF_E_PRUNE_KNOWN_STA 13 -#define BRCMF_E_PRUNE_WDS_PEER 15 -#define BRCMF_E_PRUNE_QBSS_LOAD 16 -#define BRCMF_E_PRUNE_HOME_AP 17 - -#define BRCMF_E_SUP_OTHER 0 -#define BRCMF_E_SUP_DECRYPT_KEY_DATA 1 -#define BRCMF_E_SUP_BAD_UCAST_WEP128 2 -#define BRCMF_E_SUP_BAD_UCAST_WEP40 3 -#define BRCMF_E_SUP_UNSUP_KEY_LEN 4 -#define BRCMF_E_SUP_PW_KEY_CIPHER 5 -#define BRCMF_E_SUP_MSG3_TOO_MANY_IE 6 -#define BRCMF_E_SUP_MSG3_IE_MISMATCH 7 -#define BRCMF_E_SUP_NO_INSTALL_FLAG 8 -#define BRCMF_E_SUP_MSG3_NO_GTK 9 -#define BRCMF_E_SUP_GRP_KEY_CIPHER 10 -#define BRCMF_E_SUP_GRP_MSG1_NO_GTK 11 -#define BRCMF_E_SUP_GTK_DECRYPT_FAIL 12 -#define BRCMF_E_SUP_SEND_FAIL 13 -#define BRCMF_E_SUP_DEAUTH 14 - -#define BRCMF_E_IF_ADD 1 -#define BRCMF_E_IF_DEL 2 -#define BRCMF_E_IF_CHANGE 3 - -#define BRCMF_E_IF_ROLE_STA 0 -#define BRCMF_E_IF_ROLE_AP 1 -#define BRCMF_E_IF_ROLE_WDS 2 - -#define BRCMF_E_LINK_BCN_LOSS 1 -#define BRCMF_E_LINK_DISASSOC 2 -#define BRCMF_E_LINK_ASSOC_REC 3 -#define BRCMF_E_LINK_BSSCFG_DIS 4 - -/* Pattern matching filter. Specifies an offset within received packets to - * start matching, the pattern to match, the size of the pattern, and a bitmask - * that indicates which bits within the pattern should be matched. +/* Small, medium and maximum buffer size for dcmd */ -struct brcmf_pkt_filter_pattern_le { - /* - * Offset within received packet to start pattern matching. - * Offset '0' is the first byte of the ethernet header. - */ - __le32 offset; - /* Size of the pattern. Bitmask must be the same size.*/ - __le32 size_bytes; - /* - * Variable length mask and pattern data. mask starts at offset 0. - * Pattern immediately follows mask. - */ - u8 mask_and_pattern[1]; -}; - -/* IOVAR "pkt_filter_add" parameter. Used to install packet filters. */ -struct brcmf_pkt_filter_le { - __le32 id; /* Unique filter id, specified by app. */ - __le32 type; /* Filter type (WL_PKT_FILTER_TYPE_xxx). */ - __le32 negate_match; /* Negate the result of filter matches */ - union { /* Filter definitions */ - struct brcmf_pkt_filter_pattern_le pattern; /* Filter pattern */ - } u; -}; +#define BRCMF_DCMD_SMLEN 256 +#define BRCMF_DCMD_MEDLEN 1536 +#define BRCMF_DCMD_MAXLEN 8192 -/* IOVAR "pkt_filter_enable" parameter. */ -struct brcmf_pkt_filter_enable_le { - __le32 id; /* Unique filter id */ - __le32 enable; /* Enable/disable bool */ -}; - -/* BSS info structure - * Applications MUST CHECK ie_offset field and length field to access IEs and - * next bss_info structure in a vector (in struct brcmf_scan_results) +/* IOCTL from host to device are limited in lenght. A device can only handle + * ethernet frame size. This limitation is to be applied by protocol layer. */ -struct brcmf_bss_info_le { - __le32 version; /* version field */ - __le32 length; /* byte length of data in this record, - * starting at version and including IEs - */ - u8 BSSID[ETH_ALEN]; - __le16 beacon_period; /* units are Kusec */ - __le16 capability; /* Capability information */ - u8 SSID_len; - u8 SSID[32]; - struct { - __le32 count; /* # rates in this set */ - u8 rates[16]; /* rates in 500kbps units w/hi bit set if basic */ - } rateset; /* supported rates */ - __le16 chanspec; /* chanspec for bss */ - __le16 atim_window; /* units are Kusec */ - u8 dtim_period; /* DTIM period */ - __le16 RSSI; /* receive signal strength (in dBm) */ - s8 phy_noise; /* noise (in dBm) */ - - u8 n_cap; /* BSS is 802.11N Capable */ - /* 802.11N BSS Capabilities (based on HT_CAP_*): */ - __le32 nbss_cap; - u8 ctl_ch; /* 802.11N BSS control channel number */ - __le32 reserved32[1]; /* Reserved for expansion of BSS properties */ - u8 flags; /* flags */ - u8 reserved[3]; /* Reserved for expansion of BSS properties */ - u8 basic_mcs[MCSSET_LEN]; /* 802.11N BSS required MCS set */ - - __le16 ie_offset; /* offset at which IEs start, from beginning */ - __le32 ie_length; /* byte length of Information Elements */ - __le16 SNR; /* average SNR of during frame reception */ - /* Add new fields here */ - /* variable length Information Elements */ -}; - -struct brcm_rateset_le { - /* # rates in this set */ - __le32 count; - /* rates in 500kbps units w/hi bit set if basic */ - u8 rates[WL_NUMRATES]; -}; - -struct brcmf_ssid { - u32 SSID_len; - unsigned char SSID[32]; -}; +#define BRCMF_TX_IOCTL_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN) -struct brcmf_ssid_le { - __le32 SSID_len; - unsigned char SSID[32]; -}; - -struct brcmf_scan_params_le { - struct brcmf_ssid_le ssid_le; /* default: {0, ""} */ - u8 bssid[ETH_ALEN]; /* default: bcast */ - s8 bss_type; /* default: any, - * DOT11_BSSTYPE_ANY/INFRASTRUCTURE/INDEPENDENT - */ - u8 scan_type; /* flags, 0 use default */ - __le32 nprobes; /* -1 use default, number of probes per channel */ - __le32 active_time; /* -1 use default, dwell time per channel for - * active scanning - */ - __le32 passive_time; /* -1 use default, dwell time per channel - * for passive scanning - */ - __le32 home_time; /* -1 use default, dwell time for the - * home channel between channel scans - */ - __le32 channel_num; /* count of channels and ssids that follow - * - * low half is count of channels in - * channel_list, 0 means default (use all - * available channels) - * - * high half is entries in struct brcmf_ssid - * array that follows channel_list, aligned for - * s32 (4 bytes) meaning an odd channel count - * implies a 2-byte pad between end of - * channel_list and first ssid - * - * if ssid count is zero, single ssid in the - * fixed parameter portion is assumed, otherwise - * ssid in the fixed portion is ignored - */ - __le16 channel_list[1]; /* list of chanspecs */ -}; - -/* incremental scan struct */ -struct brcmf_iscan_params_le { - __le32 version; - __le16 action; - __le16 scan_duration; - struct brcmf_scan_params_le params_le; -}; - -struct brcmf_scan_results { - u32 buflen; - u32 version; - u32 count; - struct brcmf_bss_info_le bss_info_le[]; -}; - -struct brcmf_scan_results_le { - __le32 buflen; - __le32 version; - __le32 count; -}; - -struct brcmf_escan_params_le { - __le32 version; - __le16 action; - __le16 sync_id; - struct brcmf_scan_params_le params_le; -}; - -struct brcmf_escan_result_le { - __le32 buflen; - __le32 version; - __le16 sync_id; - __le16 bss_count; - struct brcmf_bss_info_le bss_info_le; -}; +#define BRCMF_AMPDU_RX_REORDER_MAXFLOWS 256 -#define WL_ESCAN_RESULTS_FIXED_SIZE (sizeof(struct brcmf_escan_result_le) - \ - sizeof(struct brcmf_bss_info_le)) - -/* used for association with a specific BSSID and chanspec list */ -struct brcmf_assoc_params_le { - /* 00:00:00:00:00:00: broadcast scan */ - u8 bssid[ETH_ALEN]; - /* 0: all available channels, otherwise count of chanspecs in - * chanspec_list */ - __le32 chanspec_num; - /* list of chanspecs */ - __le16 chanspec_list[1]; -}; - -/* used for join with or without a specific bssid and channel list */ -struct brcmf_join_params { - struct brcmf_ssid_le ssid_le; - struct brcmf_assoc_params_le params_le; -}; - -/* incremental scan results struct */ -struct brcmf_iscan_results { - union { - u32 status; - __le32 status_le; - }; - union { - struct brcmf_scan_results results; - struct brcmf_scan_results_le results_le; - }; -}; - -/* size of brcmf_iscan_results not including variable length array */ -#define BRCMF_ISCAN_RESULTS_FIXED_SIZE \ - (sizeof(struct brcmf_scan_results) + \ - offsetof(struct brcmf_iscan_results, results)) - -struct brcmf_wsec_key { - u32 index; /* key index */ - u32 len; /* key length */ - u8 data[WLAN_MAX_KEY_LEN]; /* key data */ - u32 pad_1[18]; - u32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */ - u32 flags; /* misc flags */ - u32 pad_2[3]; - u32 iv_initialized; /* has IV been initialized already? */ - u32 pad_3; - /* Rx IV */ - struct { - u32 hi; /* upper 32 bits of IV */ - u16 lo; /* lower 16 bits of IV */ - } rxiv; - u32 pad_4[2]; - u8 ea[ETH_ALEN]; /* per station */ -}; - -/* - * dongle requires same struct as above but with fields in little endian order +/* Length of firmware version string stored for + * ethtool driver info which uses 32 bytes as well. */ -struct brcmf_wsec_key_le { - __le32 index; /* key index */ - __le32 len; /* key length */ - u8 data[WLAN_MAX_KEY_LEN]; /* key data */ - __le32 pad_1[18]; - __le32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */ - __le32 flags; /* misc flags */ - __le32 pad_2[3]; - __le32 iv_initialized; /* has IV been initialized already? */ - __le32 pad_3; - /* Rx IV */ - struct { - __le32 hi; /* upper 32 bits of IV */ - __le16 lo; /* lower 16 bits of IV */ - } rxiv; - __le32 pad_4[2]; - u8 ea[ETH_ALEN]; /* per station */ -}; - -/* Used to get specific STA parameters */ -struct brcmf_scb_val_le { - __le32 val; - u8 ea[ETH_ALEN]; -}; - -/* channel encoding */ -struct brcmf_channel_info_le { - __le32 hw_channel; - __le32 target_channel; - __le32 scan_channel; -}; - -struct brcmf_sta_info_le { - __le16 ver; /* version of this struct */ - __le16 len; /* length in bytes of this structure */ - __le16 cap; /* sta's advertised capabilities */ - __le32 flags; /* flags defined below */ - __le32 idle; /* time since data pkt rx'd from sta */ - u8 ea[ETH_ALEN]; /* Station address */ - __le32 count; /* # rates in this set */ - u8 rates[BRCMF_MAXRATES_IN_SET]; /* rates in 500kbps units */ - /* w/hi bit set if basic */ - __le32 in; /* seconds elapsed since associated */ - __le32 listen_interval_inms; /* Min Listen interval in ms for STA */ - __le32 tx_pkts; /* # of packets transmitted */ - __le32 tx_failures; /* # of packets failed */ - __le32 rx_ucast_pkts; /* # of unicast packets received */ - __le32 rx_mcast_pkts; /* # of multicast packets received */ - __le32 tx_rate; /* Rate of last successful tx frame */ - __le32 rx_rate; /* Rate of last successful rx frame */ - __le32 rx_decrypt_succeeds; /* # of packet decrypted successfully */ - __le32 rx_decrypt_failures; /* # of packet decrypted failed */ -}; +#define BRCMF_DRIVER_FIRMWARE_VERSION_LEN 32 /* Bus independent dongle command */ struct brcmf_dcmd { @@ -605,17 +59,36 @@ struct brcmf_dcmd { uint needed; /* bytes needed (optional) */ }; +/** + * struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info + * + * @pktslots: dynamic allocated array for ordering AMPDU packets. + * @flow_id: AMPDU flow identifier. + * @cur_idx: last AMPDU index from firmware. + * @exp_idx: expected next AMPDU index. + * @max_idx: maximum amount of packets per AMPDU. + * @pend_pkts: number of packets currently in @pktslots. + */ +struct brcmf_ampdu_rx_reorder { + struct sk_buff **pktslots; + u8 flow_id; + u8 cur_idx; + u8 exp_idx; + u8 max_idx; + u8 pend_pkts; +}; + /* Forward decls for struct brcmf_pub (see below) */ struct brcmf_proto; /* device communication protocol info */ struct brcmf_cfg80211_dev; /* cfg80211 device info */ +struct brcmf_fws_info; /* firmware signalling info */ /* Common structure for module and instance linkage */ struct brcmf_pub { /* Linkage ponters */ struct brcmf_bus *bus_if; - struct brcmf_proto *prot; + struct brcmf_proto *proto; struct brcmf_cfg80211_info *config; - struct device *dev; /* fullmac dongle device pointer */ /* Internal brcmf items */ uint hdrlen; /* Total BRCMF header length (proto + bus) */ @@ -623,102 +96,100 @@ struct brcmf_pub { u8 wme_dp; /* wme discard priority */ /* Dongle media info */ - bool iswl; /* Dongle-resident driver is wl */ - unsigned long drv_version; /* Version of dongle-resident driver */ + char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN]; u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */ - /* Additional stats for the bus level */ - /* Multicast data packets sent to dongle */ unsigned long tx_multicast; - /* Packets flushed due to unscheduled sendup thread */ - unsigned long rx_flushed; - /* Number of times dpc scheduled by watchdog timer */ - unsigned long wd_dpc_sched; - - /* Number of flow control pkts recvd */ - unsigned long fc_packets; - - /* Last error return */ - int bcmerror; - - /* Last error from dongle */ - int dongle_error; - - /* Suspend disable flag flag */ - int suspend_disable_flag; /* "1" to disable all extra powersaving - during suspend */ - int in_suspend; /* flag set to 1 when early suspend called */ - int dtim_skip; /* dtim skip , default 0 means wake each dtim */ - - /* Pkt filter defination */ - char *pktfilter[100]; - int pktfilter_count; - - u8 country_code[BRCM_CNTRY_BUF_SZ]; - char eventmask[BRCMF_EVENTING_MASK_LEN]; struct brcmf_if *iflist[BRCMF_MAX_IFS]; struct mutex proto_block; + unsigned char proto_buf[BRCMF_DCMD_MAXLEN]; - struct work_struct setmacaddr_work; - struct work_struct multicast_work; - u8 macvalue[ETH_ALEN]; - atomic_t pend_8021x_cnt; + struct brcmf_fweh_info fweh; + + struct brcmf_fws_info *fws; + + struct brcmf_ampdu_rx_reorder + *reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS]; #ifdef DEBUG struct dentry *dbgfs_dir; #endif }; -struct brcmf_if_event { - u8 ifidx; - u8 action; - u8 flags; - u8 bssidx; -}; +/* forward declarations */ +struct brcmf_cfg80211_vif; +struct brcmf_fws_mac_descriptor; -struct bcmevent_name { - uint event; - const char *name; +/** + * enum brcmf_netif_stop_reason - reason for stopping netif queue. + * + * @BRCMF_NETIF_STOP_REASON_FWS_FC: + * netif stopped due to firmware signalling flow control. + * @BRCMF_NETIF_STOP_REASON_BLOCK_BUS: + * netif stopped due to bus blocking. + */ +enum brcmf_netif_stop_reason { + BRCMF_NETIF_STOP_REASON_FWS_FC = 1, + BRCMF_NETIF_STOP_REASON_BLOCK_BUS = 2 }; -extern const struct bcmevent_name bcmevent_names[]; - -extern uint brcmf_c_mkiovar(char *name, char *data, uint datalen, - char *buf, uint len); -extern uint brcmf_c_mkiovar_bsscfg(char *name, char *data, uint datalen, - char *buf, uint buflen, s32 bssidx); +/** + * struct brcmf_if - interface control information. + * + * @drvr: points to device related information. + * @vif: points to cfg80211 specific interface information. + * @ndev: associated network device. + * @stats: interface specific network statistics. + * @setmacaddr_work: worker object for setting mac address. + * @multicast_work: worker object for multicast provisioning. + * @fws_desc: interface specific firmware-signalling descriptor. + * @ifidx: interface index in device firmware. + * @bssidx: index of bss associated with this interface. + * @mac_addr: assigned mac address. + * @netif_stop: bitmap indicates reason why netif queues are stopped. + * @netif_stop_lock: spinlock for update netif_stop from multiple sources. + * @pend_8021x_cnt: tracks outstanding number of 802.1x frames. + * @pend_8021x_wait: used for signalling change in count. + */ +struct brcmf_if { + struct brcmf_pub *drvr; + struct brcmf_cfg80211_vif *vif; + struct net_device *ndev; + struct net_device_stats stats; + struct work_struct setmacaddr_work; + struct work_struct multicast_work; + struct brcmf_fws_mac_descriptor *fws_desc; + int ifidx; + s32 bssidx; + u8 mac_addr[ETH_ALEN]; + u8 netif_stop; + spinlock_t netif_stop_lock; + atomic_t pend_8021x_cnt; + wait_queue_head_t pend_8021x_wait; +}; -extern int brcmf_netdev_wait_pend8021x(struct net_device *ndev); +struct brcmf_skb_reorder_data { + u8 *reorder; +}; -extern s32 brcmf_exec_dcmd(struct net_device *dev, u32 cmd, void *arg, u32 len); -extern int brcmf_netlink_dcmd(struct net_device *ndev, struct brcmf_dcmd *dcmd); +int brcmf_netdev_wait_pend8021x(struct net_device *ndev); /* Return pointer to interface name */ -extern char *brcmf_ifname(struct brcmf_pub *drvr, int idx); - -/* Query dongle */ -extern int brcmf_proto_cdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, - uint cmd, void *buf, uint len); - -#ifdef DEBUG -extern int brcmf_write_to_file(struct brcmf_pub *drvr, const u8 *buf, int size); -#endif /* DEBUG */ - -extern int brcmf_ifname2idx(struct brcmf_pub *drvr, char *name); -extern int brcmf_c_host_event(struct brcmf_pub *drvr, int *idx, - void *pktdata, struct brcmf_event_msg *, - void **data_ptr); - -extern void brcmf_del_if(struct brcmf_pub *drvr, int ifidx); - -extern void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg); -extern void brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg, - int enable, int master_mode); - -#define BRCMF_DCMD_SMLEN 256 /* "small" cmd buffer required */ -#define BRCMF_DCMD_MEDLEN 1536 /* "med" cmd buffer required */ -#define BRCMF_DCMD_MAXLEN 8192 /* max length cmd buffer required */ +char *brcmf_ifname(struct brcmf_pub *drvr, int idx); + +int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked); +struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, + char *name, u8 *mac_addr); +void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx); +void brcmf_txflowblock_if(struct brcmf_if *ifp, + enum brcmf_netif_stop_reason reason, bool state); +u32 brcmf_get_chip_info(struct brcmf_if *ifp); +void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx, + bool success); + +/* Sets dongle media info (drv_version, mac address). */ +int brcmf_c_preinit_dcmds(struct brcmf_if *ifp); #endif /* _BRCMF_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h index 9b8ee19ea55..7735328fff2 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h @@ -17,23 +17,21 @@ #ifndef _BRCMF_BUS_H_ #define _BRCMF_BUS_H_ +#include "dhd_dbg.h" + /* The level of bus communication with the dongle */ enum brcmf_bus_state { + BRCMF_BUS_UNKNOWN, /* Not determined yet */ + BRCMF_BUS_NOMEDIUM, /* No medium access to dongle */ BRCMF_BUS_DOWN, /* Not ready for frame transfers */ BRCMF_BUS_LOAD, /* Download access only (CPU reset) */ BRCMF_BUS_DATA /* Ready for frame transfers */ }; -struct dngl_stats { - unsigned long rx_packets; /* total packets received */ - unsigned long tx_packets; /* total packets transmitted */ - unsigned long rx_bytes; /* total bytes received */ - unsigned long tx_bytes; /* total bytes transmitted */ - unsigned long rx_errors; /* bad packets received */ - unsigned long tx_errors; /* packet transmit problems */ - unsigned long rx_dropped; /* packets dropped by dongle */ - unsigned long tx_dropped; /* packets dropped by dongle */ - unsigned long multicast; /* multicast packets received */ +/* The level of bus communication with the dongle */ +enum brcmf_bus_protocol_type { + BRCMF_PROTO_BCDC, + BRCMF_PROTO_MSGBUF }; struct brcmf_bus_dcmd { @@ -43,84 +41,160 @@ struct brcmf_bus_dcmd { struct list_head list; }; -/* interface structure between common and bus layer */ +/** + * struct brcmf_bus_ops - bus callback operations. + * + * @preinit: execute bus/device specific dongle init commands (optional). + * @init: prepare for communication with dongle. + * @stop: clear pending frames, disable data flow. + * @txdata: send a data frame to the dongle. When the data + * has been transferred, the common driver must be + * notified using brcmf_txcomplete(). The common + * driver calls this function with interrupts + * disabled. + * @txctl: transmit a control request message to dongle. + * @rxctl: receive a control response message from dongle. + * @gettxq: obtain a reference of bus transmit queue (optional). + * + * This structure provides an abstract interface towards the + * bus specific driver. For control messages to common driver + * will assure there is only one active transaction. Unless + * indicated otherwise these callbacks are mandatory. + */ +struct brcmf_bus_ops { + int (*preinit)(struct device *dev); + void (*stop)(struct device *dev); + int (*txdata)(struct device *dev, struct sk_buff *skb); + int (*txctl)(struct device *dev, unsigned char *msg, uint len); + int (*rxctl)(struct device *dev, unsigned char *msg, uint len); + struct pktq * (*gettxq)(struct device *dev); +}; + +/** + * struct brcmf_bus - interface structure between common and bus layer + * + * @bus_priv: pointer to private bus device. + * @proto_type: protocol type, bcdc or msgbuf + * @dev: device pointer of bus device. + * @drvr: public driver information. + * @state: operational state of the bus interface. + * @maxctl: maximum size for rxctl request message. + * @tx_realloc: number of tx packets realloced for headroom. + * @dstats: dongle-based statistical data. + * @dcmd_list: bus/device specific dongle initialization commands. + * @chip: device identifier of the dongle chip. + * @chiprev: revision of the dongle chip. + */ struct brcmf_bus { - u8 type; /* bus type */ union { struct brcmf_sdio_dev *sdio; struct brcmf_usbdev *usb; } bus_priv; - struct brcmf_pub *drvr; /* pointer to driver pub structure brcmf_pub */ + enum brcmf_bus_protocol_type proto_type; + struct device *dev; + struct brcmf_pub *drvr; enum brcmf_bus_state state; - uint maxctl; /* Max size rxctl request from proto to bus */ - bool drvr_up; /* Status flag of driver up/down */ - unsigned long tx_realloc; /* Tx packets realloced for headroom */ - struct dngl_stats dstats; /* Stats for dongle-based data */ - u8 align; /* bus alignment requirement */ - struct list_head dcmd_list; - - /* interface functions pointers */ - /* Stop bus module: clear pending frames, disable data flow */ - void (*brcmf_bus_stop)(struct device *); - /* Initialize bus module: prepare for communication w/dongle */ - int (*brcmf_bus_init)(struct device *); - /* Send a data frame to the dongle. Callee disposes of txp. */ - int (*brcmf_bus_txdata)(struct device *, struct sk_buff *); - /* Send/receive a control message to/from the dongle. - * Expects caller to enforce a single outstanding transaction. - */ - int (*brcmf_bus_txctl)(struct device *, unsigned char *, uint); - int (*brcmf_bus_rxctl)(struct device *, unsigned char *, uint); + uint maxctl; + unsigned long tx_realloc; + u32 chip; + u32 chiprev; + bool always_use_fws_queue; + + struct brcmf_bus_ops *ops; }; /* - * interface functions from common layer + * callback wrappers */ +static inline int brcmf_bus_preinit(struct brcmf_bus *bus) +{ + if (!bus->ops->preinit) + return 0; + return bus->ops->preinit(bus->dev); +} -/* Remove any protocol-specific data header. */ -extern int brcmf_proto_hdrpull(struct device *dev, int *ifidx, - struct sk_buff *rxp); +static inline void brcmf_bus_stop(struct brcmf_bus *bus) +{ + bus->ops->stop(bus->dev); +} -extern bool brcmf_c_prec_enq(struct device *dev, struct pktq *q, - struct sk_buff *pkt, int prec); +static inline int brcmf_bus_txdata(struct brcmf_bus *bus, struct sk_buff *skb) +{ + return bus->ops->txdata(bus->dev, skb); +} -/* Receive frame for delivery to OS. Callee disposes of rxp. */ -extern void brcmf_rx_frame(struct device *dev, int ifidx, - struct sk_buff_head *rxlist); -static inline void brcmf_rx_packet(struct device *dev, int ifidx, - struct sk_buff *pkt) +static inline +int brcmf_bus_txctl(struct brcmf_bus *bus, unsigned char *msg, uint len) +{ + return bus->ops->txctl(bus->dev, msg, len); +} + +static inline +int brcmf_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint len) +{ + return bus->ops->rxctl(bus->dev, msg, len); +} + +static inline +struct pktq *brcmf_bus_gettxq(struct brcmf_bus *bus) +{ + if (!bus->ops->gettxq) + return ERR_PTR(-ENOENT); + + return bus->ops->gettxq(bus->dev); +} + +static inline bool brcmf_bus_ready(struct brcmf_bus *bus) +{ + return bus->state == BRCMF_BUS_LOAD || bus->state == BRCMF_BUS_DATA; +} + +static inline void brcmf_bus_change_state(struct brcmf_bus *bus, + enum brcmf_bus_state new_state) { - struct sk_buff_head q; + /* NOMEDIUM is permanent */ + if (bus->state == BRCMF_BUS_NOMEDIUM) + return; - skb_queue_head_init(&q); - skb_queue_tail(&q, pkt); - brcmf_rx_frame(dev, ifidx, &q); + brcmf_dbg(TRACE, "%d -> %d\n", bus->state, new_state); + bus->state = new_state; } +/* + * interface functions from common layer + */ + +bool brcmf_c_prec_enq(struct device *dev, struct pktq *q, struct sk_buff *pkt, + int prec); + +/* Receive frame for delivery to OS. Callee disposes of rxp. */ +void brcmf_rx_frame(struct device *dev, struct sk_buff *rxp); + /* Indication from bus module regarding presence/insertion of dongle. */ -extern int brcmf_attach(uint bus_hdrlen, struct device *dev); +int brcmf_attach(struct device *dev); /* Indication from bus module regarding removal/absence of dongle */ -extern void brcmf_detach(struct device *dev); - +void brcmf_detach(struct device *dev); +/* Indication from bus module that dongle should be reset */ +void brcmf_dev_reset(struct device *dev); /* Indication from bus module to change flow-control state */ -extern void brcmf_txflowblock(struct device *dev, bool state); - -/* Notify tx completion */ -extern void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, - bool success); +void brcmf_txflowblock(struct device *dev, bool state); -extern int brcmf_bus_start(struct device *dev); +/* Notify the bus has transferred the tx packet to firmware */ +void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success); -extern int brcmf_add_if(struct device *dev, int ifidx, - char *name, u8 *mac_addr); +int brcmf_bus_start(struct device *dev); +s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, + u32 len); +void brcmf_bus_add_txhdrlen(struct device *dev, uint len); #ifdef CONFIG_BRCMFMAC_SDIO -extern void brcmf_sdio_exit(void); -extern void brcmf_sdio_init(void); +void brcmf_sdio_exit(void); +void brcmf_sdio_init(void); +void brcmf_sdio_register(void); #endif #ifdef CONFIG_BRCMFMAC_USB -extern void brcmf_usb_exit(void); -extern void brcmf_usb_init(void); +void brcmf_usb_exit(void); +void brcmf_usb_register(void); #endif #endif /* _BRCMF_BUS_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c deleted file mode 100644 index a5c15cac5e7..00000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c +++ /dev/null @@ -1,493 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/******************************************************************************* - * Communicates with the dongle by using dcmd codes. - * For certain dcmd codes, the dongle interprets string data from the host. - ******************************************************************************/ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/types.h> -#include <linux/netdevice.h> -#include <linux/sched.h> -#include <defs.h> - -#include <brcmu_utils.h> -#include <brcmu_wifi.h> - -#include "dhd.h" -#include "dhd_proto.h" -#include "dhd_bus.h" -#include "dhd_dbg.h" - -struct brcmf_proto_cdc_dcmd { - __le32 cmd; /* dongle command value */ - __le32 len; /* lower 16: output buflen; - * upper 16: input buflen (excludes header) */ - __le32 flags; /* flag defns given below */ - __le32 status; /* status code returned from the device */ -}; - -/* Max valid buffer size that can be sent to the dongle */ -#define CDC_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN) - -/* CDC flag definitions */ -#define CDC_DCMD_ERROR 0x01 /* 1=cmd failed */ -#define CDC_DCMD_SET 0x02 /* 0=get, 1=set cmd */ -#define CDC_DCMD_IF_MASK 0xF000 /* I/F index */ -#define CDC_DCMD_IF_SHIFT 12 -#define CDC_DCMD_ID_MASK 0xFFFF0000 /* id an cmd pairing */ -#define CDC_DCMD_ID_SHIFT 16 /* ID Mask shift bits */ -#define CDC_DCMD_ID(flags) \ - (((flags) & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT) - -/* - * BDC header - Broadcom specific extension of CDC. - * Used on data packets to convey priority across USB. - */ -#define BDC_HEADER_LEN 4 -#define BDC_PROTO_VER 2 /* Protocol version */ -#define BDC_FLAG_VER_MASK 0xf0 /* Protocol version mask */ -#define BDC_FLAG_VER_SHIFT 4 /* Protocol version shift */ -#define BDC_FLAG_SUM_GOOD 0x04 /* Good RX checksums */ -#define BDC_FLAG_SUM_NEEDED 0x08 /* Dongle needs to do TX checksums */ -#define BDC_PRIORITY_MASK 0x7 -#define BDC_FLAG2_IF_MASK 0x0f /* packet rx interface in APSTA */ -#define BDC_FLAG2_IF_SHIFT 0 - -#define BDC_GET_IF_IDX(hdr) \ - ((int)((((hdr)->flags2) & BDC_FLAG2_IF_MASK) >> BDC_FLAG2_IF_SHIFT)) -#define BDC_SET_IF_IDX(hdr, idx) \ - ((hdr)->flags2 = (((hdr)->flags2 & ~BDC_FLAG2_IF_MASK) | \ - ((idx) << BDC_FLAG2_IF_SHIFT))) - -struct brcmf_proto_bdc_header { - u8 flags; - u8 priority; /* 802.1d Priority, 4:7 flow control info for usb */ - u8 flags2; - u8 data_offset; -}; - - -#define RETRIES 2 /* # of retries to retrieve matching dcmd response */ -#define BUS_HEADER_LEN (16+64) /* Must be atleast SDPCM_RESERVE - * (amount of header tha might be added) - * plus any space that might be needed - * for bus alignment padding. - */ -#define ROUND_UP_MARGIN 2048 /* Biggest bus block size possible for - * round off at the end of buffer - * Currently is SDIO - */ - -struct brcmf_proto { - u16 reqid; - u8 pending; - u32 lastcmd; - u8 bus_header[BUS_HEADER_LEN]; - struct brcmf_proto_cdc_dcmd msg; - unsigned char buf[BRCMF_DCMD_MAXLEN + ROUND_UP_MARGIN]; -}; - -static int brcmf_proto_cdc_msg(struct brcmf_pub *drvr) -{ - struct brcmf_proto *prot = drvr->prot; - int len = le32_to_cpu(prot->msg.len) + - sizeof(struct brcmf_proto_cdc_dcmd); - - brcmf_dbg(TRACE, "Enter\n"); - - /* NOTE : cdc->msg.len holds the desired length of the buffer to be - * returned. Only up to CDC_MAX_MSG_SIZE of this buffer area - * is actually sent to the dongle - */ - if (len > CDC_MAX_MSG_SIZE) - len = CDC_MAX_MSG_SIZE; - - /* Send request */ - return drvr->bus_if->brcmf_bus_txctl(drvr->dev, - (unsigned char *)&prot->msg, - len); -} - -static int brcmf_proto_cdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len) -{ - int ret; - struct brcmf_proto *prot = drvr->prot; - - brcmf_dbg(TRACE, "Enter\n"); - - do { - ret = drvr->bus_if->brcmf_bus_rxctl(drvr->dev, - (unsigned char *)&prot->msg, - len + sizeof(struct brcmf_proto_cdc_dcmd)); - if (ret < 0) - break; - } while (CDC_DCMD_ID(le32_to_cpu(prot->msg.flags)) != id); - - return ret; -} - -int -brcmf_proto_cdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd, - void *buf, uint len) -{ - struct brcmf_proto *prot = drvr->prot; - struct brcmf_proto_cdc_dcmd *msg = &prot->msg; - void *info; - int ret = 0, retries = 0; - u32 id, flags; - - brcmf_dbg(TRACE, "Enter\n"); - brcmf_dbg(CTL, "cmd %d len %d\n", cmd, len); - - /* Respond "bcmerror" and "bcmerrorstr" with local cache */ - if (cmd == BRCMF_C_GET_VAR && buf) { - if (!strcmp((char *)buf, "bcmerrorstr")) { - strncpy((char *)buf, "bcm_error", - BCME_STRLEN); - goto done; - } else if (!strcmp((char *)buf, "bcmerror")) { - *(int *)buf = drvr->dongle_error; - goto done; - } - } - - memset(msg, 0, sizeof(struct brcmf_proto_cdc_dcmd)); - - msg->cmd = cpu_to_le32(cmd); - msg->len = cpu_to_le32(len); - flags = (++prot->reqid << CDC_DCMD_ID_SHIFT); - flags = (flags & ~CDC_DCMD_IF_MASK) | - (ifidx << CDC_DCMD_IF_SHIFT); - msg->flags = cpu_to_le32(flags); - - if (buf) - memcpy(prot->buf, buf, len); - - ret = brcmf_proto_cdc_msg(drvr); - if (ret < 0) { - brcmf_dbg(ERROR, "brcmf_proto_cdc_msg failed w/status %d\n", - ret); - goto done; - } - -retry: - /* wait for interrupt and get first fragment */ - ret = brcmf_proto_cdc_cmplt(drvr, prot->reqid, len); - if (ret < 0) - goto done; - - flags = le32_to_cpu(msg->flags); - id = (flags & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT; - - if ((id < prot->reqid) && (++retries < RETRIES)) - goto retry; - if (id != prot->reqid) { - brcmf_dbg(ERROR, "%s: unexpected request id %d (expected %d)\n", - brcmf_ifname(drvr, ifidx), id, prot->reqid); - ret = -EINVAL; - goto done; - } - - /* Check info buffer */ - info = (void *)&msg[1]; - - /* Copy info buffer */ - if (buf) { - if (ret < (int)len) - len = ret; - memcpy(buf, info, len); - } - - /* Check the ERROR flag */ - if (flags & CDC_DCMD_ERROR) { - ret = le32_to_cpu(msg->status); - /* Cache error from dongle */ - drvr->dongle_error = ret; - } - -done: - return ret; -} - -int brcmf_proto_cdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd, - void *buf, uint len) -{ - struct brcmf_proto *prot = drvr->prot; - struct brcmf_proto_cdc_dcmd *msg = &prot->msg; - int ret = 0; - u32 flags, id; - - brcmf_dbg(TRACE, "Enter\n"); - brcmf_dbg(CTL, "cmd %d len %d\n", cmd, len); - - memset(msg, 0, sizeof(struct brcmf_proto_cdc_dcmd)); - - msg->cmd = cpu_to_le32(cmd); - msg->len = cpu_to_le32(len); - flags = (++prot->reqid << CDC_DCMD_ID_SHIFT) | CDC_DCMD_SET; - flags = (flags & ~CDC_DCMD_IF_MASK) | - (ifidx << CDC_DCMD_IF_SHIFT); - msg->flags = cpu_to_le32(flags); - - if (buf) - memcpy(prot->buf, buf, len); - - ret = brcmf_proto_cdc_msg(drvr); - if (ret < 0) - goto done; - - ret = brcmf_proto_cdc_cmplt(drvr, prot->reqid, len); - if (ret < 0) - goto done; - - flags = le32_to_cpu(msg->flags); - id = (flags & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT; - - if (id != prot->reqid) { - brcmf_dbg(ERROR, "%s: unexpected request id %d (expected %d)\n", - brcmf_ifname(drvr, ifidx), id, prot->reqid); - ret = -EINVAL; - goto done; - } - - /* Check the ERROR flag */ - if (flags & CDC_DCMD_ERROR) { - ret = le32_to_cpu(msg->status); - /* Cache error from dongle */ - drvr->dongle_error = ret; - } - -done: - return ret; -} - -int -brcmf_proto_dcmd(struct brcmf_pub *drvr, int ifidx, struct brcmf_dcmd *dcmd, - int len) -{ - struct brcmf_proto *prot = drvr->prot; - int ret = -1; - - if (drvr->bus_if->state == BRCMF_BUS_DOWN) { - brcmf_dbg(ERROR, "bus is down. we have nothing to do.\n"); - return ret; - } - mutex_lock(&drvr->proto_block); - - brcmf_dbg(TRACE, "Enter\n"); - - if (len > BRCMF_DCMD_MAXLEN) - goto done; - - if (prot->pending == true) { - brcmf_dbg(TRACE, "CDC packet is pending!!!! cmd=0x%x (%lu) lastcmd=0x%x (%lu)\n", - dcmd->cmd, (unsigned long)dcmd->cmd, prot->lastcmd, - (unsigned long)prot->lastcmd); - if (dcmd->cmd == BRCMF_C_SET_VAR || - dcmd->cmd == BRCMF_C_GET_VAR) - brcmf_dbg(TRACE, "iovar cmd=%s\n", (char *)dcmd->buf); - - goto done; - } - - prot->pending = true; - prot->lastcmd = dcmd->cmd; - if (dcmd->set) - ret = brcmf_proto_cdc_set_dcmd(drvr, ifidx, dcmd->cmd, - dcmd->buf, len); - else { - ret = brcmf_proto_cdc_query_dcmd(drvr, ifidx, dcmd->cmd, - dcmd->buf, len); - if (ret > 0) - dcmd->used = ret - - sizeof(struct brcmf_proto_cdc_dcmd); - } - - if (ret >= 0) - ret = 0; - else { - struct brcmf_proto_cdc_dcmd *msg = &prot->msg; - /* len == needed when set/query fails from dongle */ - dcmd->needed = le32_to_cpu(msg->len); - } - - /* Intercept the wme_dp dongle cmd here */ - if (!ret && dcmd->cmd == BRCMF_C_SET_VAR && - !strcmp(dcmd->buf, "wme_dp")) { - int slen; - __le32 val = 0; - - slen = strlen("wme_dp") + 1; - if (len >= (int)(slen + sizeof(int))) - memcpy(&val, (char *)dcmd->buf + slen, sizeof(int)); - drvr->wme_dp = (u8) le32_to_cpu(val); - } - - prot->pending = false; - -done: - mutex_unlock(&drvr->proto_block); - - return ret; -} - -static bool pkt_sum_needed(struct sk_buff *skb) -{ - return skb->ip_summed == CHECKSUM_PARTIAL; -} - -static void pkt_set_sum_good(struct sk_buff *skb, bool x) -{ - skb->ip_summed = (x ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE); -} - -void brcmf_proto_hdrpush(struct brcmf_pub *drvr, int ifidx, - struct sk_buff *pktbuf) -{ - struct brcmf_proto_bdc_header *h; - - brcmf_dbg(TRACE, "Enter\n"); - - /* Push BDC header used to convey priority for buses that don't */ - - skb_push(pktbuf, BDC_HEADER_LEN); - - h = (struct brcmf_proto_bdc_header *)(pktbuf->data); - - h->flags = (BDC_PROTO_VER << BDC_FLAG_VER_SHIFT); - if (pkt_sum_needed(pktbuf)) - h->flags |= BDC_FLAG_SUM_NEEDED; - - h->priority = (pktbuf->priority & BDC_PRIORITY_MASK); - h->flags2 = 0; - h->data_offset = 0; - BDC_SET_IF_IDX(h, ifidx); -} - -int brcmf_proto_hdrpull(struct device *dev, int *ifidx, - struct sk_buff *pktbuf) -{ - struct brcmf_proto_bdc_header *h; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - - brcmf_dbg(TRACE, "Enter\n"); - - /* Pop BDC header used to convey priority for buses that don't */ - - if (pktbuf->len < BDC_HEADER_LEN) { - brcmf_dbg(ERROR, "rx data too short (%d < %d)\n", - pktbuf->len, BDC_HEADER_LEN); - return -EBADE; - } - - h = (struct brcmf_proto_bdc_header *)(pktbuf->data); - - *ifidx = BDC_GET_IF_IDX(h); - if (*ifidx >= BRCMF_MAX_IFS) { - brcmf_dbg(ERROR, "rx data ifnum out of range (%d)\n", *ifidx); - return -EBADE; - } - - if (((h->flags & BDC_FLAG_VER_MASK) >> BDC_FLAG_VER_SHIFT) != - BDC_PROTO_VER) { - brcmf_dbg(ERROR, "%s: non-BDC packet received, flags 0x%x\n", - brcmf_ifname(drvr, *ifidx), h->flags); - return -EBADE; - } - - if (h->flags & BDC_FLAG_SUM_GOOD) { - brcmf_dbg(INFO, "%s: BDC packet received with good rx-csum, flags 0x%x\n", - brcmf_ifname(drvr, *ifidx), h->flags); - pkt_set_sum_good(pktbuf, true); - } - - pktbuf->priority = h->priority & BDC_PRIORITY_MASK; - - skb_pull(pktbuf, BDC_HEADER_LEN); - skb_pull(pktbuf, h->data_offset << 2); - - return 0; -} - -int brcmf_proto_attach(struct brcmf_pub *drvr) -{ - struct brcmf_proto *cdc; - - cdc = kzalloc(sizeof(struct brcmf_proto), GFP_ATOMIC); - if (!cdc) - goto fail; - - /* ensure that the msg buf directly follows the cdc msg struct */ - if ((unsigned long)(&cdc->msg + 1) != (unsigned long)cdc->buf) { - brcmf_dbg(ERROR, "struct brcmf_proto is not correctly defined\n"); - goto fail; - } - - drvr->prot = cdc; - drvr->hdrlen += BDC_HEADER_LEN; - drvr->bus_if->maxctl = BRCMF_DCMD_MAXLEN + - sizeof(struct brcmf_proto_cdc_dcmd) + ROUND_UP_MARGIN; - return 0; - -fail: - kfree(cdc); - return -ENOMEM; -} - -/* ~NOTE~ What if another thread is waiting on the semaphore? Holding it? */ -void brcmf_proto_detach(struct brcmf_pub *drvr) -{ - kfree(drvr->prot); - drvr->prot = NULL; -} - -int brcmf_proto_init(struct brcmf_pub *drvr) -{ - int ret = 0; - char buf[128]; - - brcmf_dbg(TRACE, "Enter\n"); - - mutex_lock(&drvr->proto_block); - - /* Get the device MAC address */ - strcpy(buf, "cur_etheraddr"); - ret = brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR, - buf, sizeof(buf)); - if (ret < 0) { - mutex_unlock(&drvr->proto_block); - return ret; - } - memcpy(drvr->mac, buf, ETH_ALEN); - - mutex_unlock(&drvr->proto_block); - - ret = brcmf_c_preinit_dcmds(drvr); - - /* Always assumes wl for now */ - drvr->iswl = true; - - return ret; -} - -void brcmf_proto_stop(struct brcmf_pub *drvr) -{ - /* Nothing to do for CDC */ -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c index 15c5db5752d..ed3e32ce8c2 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c @@ -14,125 +14,27 @@ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/kernel.h> #include <linux/string.h> -#include <linux/sched.h> #include <linux/netdevice.h> -#include <asm/unaligned.h> -#include <defs.h> #include <brcmu_wifi.h> #include <brcmu_utils.h> #include "dhd.h" #include "dhd_bus.h" -#include "dhd_proto.h" #include "dhd_dbg.h" +#include "fwil.h" +#include "fwil_types.h" +#include "tracepoint.h" -#define BRCM_OUI "\x00\x10\x18" -#define DOT11_OUI_LEN 3 -#define BCMILCP_BCM_SUBTYPE_EVENT 1 -#define PKTFILTER_BUF_SIZE 2048 -#define BRCMF_ARPOL_MODE 0xb /* agent|snoop|peer_autoreply */ - -#define MSGTRACE_VERSION 1 - -#define BRCMF_PKT_FILTER_FIXED_LEN offsetof(struct brcmf_pkt_filter_le, u) -#define BRCMF_PKT_FILTER_PATTERN_FIXED_LEN \ - offsetof(struct brcmf_pkt_filter_pattern_le, mask_and_pattern) - -#ifdef DEBUG -static const char brcmf_version[] = - "Dongle Host Driver, version " BRCMF_VERSION_STR "\nCompiled on " - __DATE__ " at " __TIME__; -#else -static const char brcmf_version[] = - "Dongle Host Driver, version " BRCMF_VERSION_STR; -#endif - -/* Message trace header */ -struct msgtrace_hdr { - u8 version; - u8 spare; - __be16 len; /* Len of the trace */ - __be32 seqnum; /* Sequence number of message. Useful - * if the messsage has been lost - * because of DMA error or a bus reset - * (ex: SDIO Func2) - */ - __be32 discarded_bytes; /* Number of discarded bytes because of - trace overflow */ - __be32 discarded_printf; /* Number of discarded printf - because of trace overflow */ -} __packed; - - -uint -brcmf_c_mkiovar(char *name, char *data, uint datalen, char *buf, uint buflen) -{ - uint len; - - len = strlen(name) + 1; - - if ((len + datalen) > buflen) - return 0; - - strncpy(buf, name, buflen); - - /* append data onto the end of the name string */ - if (data && datalen) { - memcpy(&buf[len], data, datalen); - len += datalen; - } - - return len; -} - -uint -brcmf_c_mkiovar_bsscfg(char *name, char *data, uint datalen, - char *buf, uint buflen, s32 bssidx) -{ - const s8 *prefix = "bsscfg:"; - s8 *p; - u32 prefixlen; - u32 namelen; - u32 iolen; - __le32 bssidx_le; - - if (bssidx == 0) - return brcmf_c_mkiovar(name, data, datalen, buf, buflen); - - prefixlen = (u32) strlen(prefix); /* lengh of bsscfg prefix */ - namelen = (u32) strlen(name) + 1; /* lengh of iovar name + null */ - iolen = prefixlen + namelen + sizeof(bssidx_le) + datalen; - - if (buflen < 0 || iolen > (u32)buflen) { - brcmf_dbg(ERROR, "buffer is too short\n"); - return 0; - } - - p = buf; - - /* copy prefix, no null */ - memcpy(p, prefix, prefixlen); - p += prefixlen; - - /* copy iovar name including null */ - memcpy(p, name, namelen); - p += namelen; - - /* bss config index as first data */ - bssidx_le = cpu_to_le32(bssidx); - memcpy(p, &bssidx_le, sizeof(bssidx_le)); - p += sizeof(bssidx_le); +#define PKTFILTER_BUF_SIZE 128 +#define BRCMF_DEFAULT_BCN_TIMEOUT 3 +#define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40 +#define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40 +#define BRCMF_DEFAULT_PACKET_FILTER "100 0 0 0 0x01 0x00" - /* parameter buffer follows */ - if (datalen) - memcpy(p, data, datalen); +/* boost value for RSSI_DELTA in preferred join selection */ +#define BRCMF_JOIN_PREF_RSSI_BOOST 8 - return iolen; - -} bool brcmf_c_prec_enq(struct device *dev, struct pktq *q, struct sk_buff *pkt, int prec) @@ -170,7 +72,7 @@ bool brcmf_c_prec_enq(struct device *dev, struct pktq *q, p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) : brcmu_pktq_pdeq_tail(q, eprec); if (p == NULL) - brcmf_dbg(ERROR, "brcmu_pktq_penq() failed, oldest %d\n", + brcmf_err("brcmu_pktq_penq() failed, oldest %d\n", discard_oldest); brcmu_pkt_buf_free_skb(p); @@ -179,415 +81,22 @@ bool brcmf_c_prec_enq(struct device *dev, struct pktq *q, /* Enqueue */ p = brcmu_pktq_penq(q, prec, pkt); if (p == NULL) - brcmf_dbg(ERROR, "brcmu_pktq_penq() failed\n"); + brcmf_err("brcmu_pktq_penq() failed\n"); return p != NULL; } -#ifdef DEBUG -static void -brcmf_c_show_host_event(struct brcmf_event_msg *event, void *event_data) -{ - uint i, status, reason; - bool group = false, flush_txq = false, link = false; - char *auth_str, *event_name; - unsigned char *buf; - char err_msg[256], eabuf[ETHER_ADDR_STR_LEN]; - static struct { - uint event; - char *event_name; - } event_names[] = { - { - BRCMF_E_SET_SSID, "SET_SSID"}, { - BRCMF_E_JOIN, "JOIN"}, { - BRCMF_E_START, "START"}, { - BRCMF_E_AUTH, "AUTH"}, { - BRCMF_E_AUTH_IND, "AUTH_IND"}, { - BRCMF_E_DEAUTH, "DEAUTH"}, { - BRCMF_E_DEAUTH_IND, "DEAUTH_IND"}, { - BRCMF_E_ASSOC, "ASSOC"}, { - BRCMF_E_ASSOC_IND, "ASSOC_IND"}, { - BRCMF_E_REASSOC, "REASSOC"}, { - BRCMF_E_REASSOC_IND, "REASSOC_IND"}, { - BRCMF_E_DISASSOC, "DISASSOC"}, { - BRCMF_E_DISASSOC_IND, "DISASSOC_IND"}, { - BRCMF_E_QUIET_START, "START_QUIET"}, { - BRCMF_E_QUIET_END, "END_QUIET"}, { - BRCMF_E_BEACON_RX, "BEACON_RX"}, { - BRCMF_E_LINK, "LINK"}, { - BRCMF_E_MIC_ERROR, "MIC_ERROR"}, { - BRCMF_E_NDIS_LINK, "NDIS_LINK"}, { - BRCMF_E_ROAM, "ROAM"}, { - BRCMF_E_TXFAIL, "TXFAIL"}, { - BRCMF_E_PMKID_CACHE, "PMKID_CACHE"}, { - BRCMF_E_RETROGRADE_TSF, "RETROGRADE_TSF"}, { - BRCMF_E_PRUNE, "PRUNE"}, { - BRCMF_E_AUTOAUTH, "AUTOAUTH"}, { - BRCMF_E_EAPOL_MSG, "EAPOL_MSG"}, { - BRCMF_E_SCAN_COMPLETE, "SCAN_COMPLETE"}, { - BRCMF_E_ADDTS_IND, "ADDTS_IND"}, { - BRCMF_E_DELTS_IND, "DELTS_IND"}, { - BRCMF_E_BCNSENT_IND, "BCNSENT_IND"}, { - BRCMF_E_BCNRX_MSG, "BCNRX_MSG"}, { - BRCMF_E_BCNLOST_MSG, "BCNLOST_MSG"}, { - BRCMF_E_ROAM_PREP, "ROAM_PREP"}, { - BRCMF_E_PFN_NET_FOUND, "PNO_NET_FOUND"}, { - BRCMF_E_PFN_NET_LOST, "PNO_NET_LOST"}, { - BRCMF_E_RESET_COMPLETE, "RESET_COMPLETE"}, { - BRCMF_E_JOIN_START, "JOIN_START"}, { - BRCMF_E_ROAM_START, "ROAM_START"}, { - BRCMF_E_ASSOC_START, "ASSOC_START"}, { - BRCMF_E_IBSS_ASSOC, "IBSS_ASSOC"}, { - BRCMF_E_RADIO, "RADIO"}, { - BRCMF_E_PSM_WATCHDOG, "PSM_WATCHDOG"}, { - BRCMF_E_PROBREQ_MSG, "PROBREQ_MSG"}, { - BRCMF_E_SCAN_CONFIRM_IND, "SCAN_CONFIRM_IND"}, { - BRCMF_E_PSK_SUP, "PSK_SUP"}, { - BRCMF_E_COUNTRY_CODE_CHANGED, "COUNTRY_CODE_CHANGED"}, { - BRCMF_E_EXCEEDED_MEDIUM_TIME, "EXCEEDED_MEDIUM_TIME"}, { - BRCMF_E_ICV_ERROR, "ICV_ERROR"}, { - BRCMF_E_UNICAST_DECODE_ERROR, "UNICAST_DECODE_ERROR"}, { - BRCMF_E_MULTICAST_DECODE_ERROR, "MULTICAST_DECODE_ERROR"}, { - BRCMF_E_TRACE, "TRACE"}, { - BRCMF_E_ACTION_FRAME, "ACTION FRAME"}, { - BRCMF_E_ACTION_FRAME_COMPLETE, "ACTION FRAME TX COMPLETE"}, { - BRCMF_E_IF, "IF"}, { - BRCMF_E_RSSI, "RSSI"}, { - BRCMF_E_PFN_SCAN_COMPLETE, "SCAN_COMPLETE"}, { - BRCMF_E_ESCAN_RESULT, "ESCAN_RESULT"} - }; - uint event_type, flags, auth_type, datalen; - static u32 seqnum_prev; - struct msgtrace_hdr hdr; - u32 nblost; - char *s, *p; - - event_type = be32_to_cpu(event->event_type); - flags = be16_to_cpu(event->flags); - status = be32_to_cpu(event->status); - reason = be32_to_cpu(event->reason); - auth_type = be32_to_cpu(event->auth_type); - datalen = be32_to_cpu(event->datalen); - /* debug dump of event messages */ - sprintf(eabuf, "%pM", event->addr); - - event_name = "UNKNOWN"; - for (i = 0; i < ARRAY_SIZE(event_names); i++) { - if (event_names[i].event == event_type) - event_name = event_names[i].event_name; - } - - brcmf_dbg(EVENT, "EVENT: %s, event ID = %d\n", event_name, event_type); - brcmf_dbg(EVENT, "flags 0x%04x, status %d, reason %d, auth_type %d MAC %s\n", - flags, status, reason, auth_type, eabuf); - - if (flags & BRCMF_EVENT_MSG_LINK) - link = true; - if (flags & BRCMF_EVENT_MSG_GROUP) - group = true; - if (flags & BRCMF_EVENT_MSG_FLUSHTXQ) - flush_txq = true; - - switch (event_type) { - case BRCMF_E_START: - case BRCMF_E_DEAUTH: - case BRCMF_E_DISASSOC: - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf); - break; - - case BRCMF_E_ASSOC_IND: - case BRCMF_E_REASSOC_IND: - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf); - break; - - case BRCMF_E_ASSOC: - case BRCMF_E_REASSOC: - if (status == BRCMF_E_STATUS_SUCCESS) - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, SUCCESS\n", - event_name, eabuf); - else if (status == BRCMF_E_STATUS_TIMEOUT) - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, TIMEOUT\n", - event_name, eabuf); - else if (status == BRCMF_E_STATUS_FAIL) - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, FAILURE, reason %d\n", - event_name, eabuf, (int)reason); - else - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, unexpected status %d\n", - event_name, eabuf, (int)status); - break; - - case BRCMF_E_DEAUTH_IND: - case BRCMF_E_DISASSOC_IND: - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, reason %d\n", - event_name, eabuf, (int)reason); - break; - - case BRCMF_E_AUTH: - case BRCMF_E_AUTH_IND: - if (auth_type == WLAN_AUTH_OPEN) - auth_str = "Open System"; - else if (auth_type == WLAN_AUTH_SHARED_KEY) - auth_str = "Shared Key"; - else { - sprintf(err_msg, "AUTH unknown: %d", (int)auth_type); - auth_str = err_msg; - } - if (event_type == BRCMF_E_AUTH_IND) - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s\n", - event_name, eabuf, auth_str); - else if (status == BRCMF_E_STATUS_SUCCESS) - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, SUCCESS\n", - event_name, eabuf, auth_str); - else if (status == BRCMF_E_STATUS_TIMEOUT) - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, TIMEOUT\n", - event_name, eabuf, auth_str); - else if (status == BRCMF_E_STATUS_FAIL) { - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, FAILURE, reason %d\n", - event_name, eabuf, auth_str, (int)reason); - } - - break; - - case BRCMF_E_JOIN: - case BRCMF_E_ROAM: - case BRCMF_E_SET_SSID: - if (status == BRCMF_E_STATUS_SUCCESS) - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", - event_name, eabuf); - else if (status == BRCMF_E_STATUS_FAIL) - brcmf_dbg(EVENT, "MACEVENT: %s, failed\n", event_name); - else if (status == BRCMF_E_STATUS_NO_NETWORKS) - brcmf_dbg(EVENT, "MACEVENT: %s, no networks found\n", - event_name); - else - brcmf_dbg(EVENT, "MACEVENT: %s, unexpected status %d\n", - event_name, (int)status); - break; - - case BRCMF_E_BEACON_RX: - if (status == BRCMF_E_STATUS_SUCCESS) - brcmf_dbg(EVENT, "MACEVENT: %s, SUCCESS\n", event_name); - else if (status == BRCMF_E_STATUS_FAIL) - brcmf_dbg(EVENT, "MACEVENT: %s, FAIL\n", event_name); - else - brcmf_dbg(EVENT, "MACEVENT: %s, status %d\n", - event_name, status); - break; - - case BRCMF_E_LINK: - brcmf_dbg(EVENT, "MACEVENT: %s %s\n", - event_name, link ? "UP" : "DOWN"); - break; - - case BRCMF_E_MIC_ERROR: - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, Group %d, Flush %d\n", - event_name, eabuf, group, flush_txq); - break; - - case BRCMF_E_ICV_ERROR: - case BRCMF_E_UNICAST_DECODE_ERROR: - case BRCMF_E_MULTICAST_DECODE_ERROR: - brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf); - break; - - case BRCMF_E_TXFAIL: - brcmf_dbg(EVENT, "MACEVENT: %s, RA %s\n", event_name, eabuf); - break; - - case BRCMF_E_SCAN_COMPLETE: - case BRCMF_E_PMKID_CACHE: - brcmf_dbg(EVENT, "MACEVENT: %s\n", event_name); - break; - - case BRCMF_E_ESCAN_RESULT: - brcmf_dbg(EVENT, "MACEVENT: %s\n", event_name); - datalen = 0; - break; - - case BRCMF_E_PFN_NET_FOUND: - case BRCMF_E_PFN_NET_LOST: - case BRCMF_E_PFN_SCAN_COMPLETE: - brcmf_dbg(EVENT, "PNOEVENT: %s\n", event_name); - break; - - case BRCMF_E_PSK_SUP: - case BRCMF_E_PRUNE: - brcmf_dbg(EVENT, "MACEVENT: %s, status %d, reason %d\n", - event_name, (int)status, (int)reason); - break; - - case BRCMF_E_TRACE: - buf = (unsigned char *) event_data; - memcpy(&hdr, buf, sizeof(struct msgtrace_hdr)); - - if (hdr.version != MSGTRACE_VERSION) { - brcmf_dbg(ERROR, - "MACEVENT: %s [unsupported version --> brcmf" - " version:%d dongle version:%d]\n", - event_name, MSGTRACE_VERSION, hdr.version); - /* Reset datalen to avoid display below */ - datalen = 0; - break; - } - - /* There are 2 bytes available at the end of data */ - *(buf + sizeof(struct msgtrace_hdr) - + be16_to_cpu(hdr.len)) = '\0'; - - if (be32_to_cpu(hdr.discarded_bytes) - || be32_to_cpu(hdr.discarded_printf)) - brcmf_dbg(ERROR, - "WLC_E_TRACE: [Discarded traces in dongle -->" - " discarded_bytes %d discarded_printf %d]\n", - be32_to_cpu(hdr.discarded_bytes), - be32_to_cpu(hdr.discarded_printf)); - - nblost = be32_to_cpu(hdr.seqnum) - seqnum_prev - 1; - if (nblost > 0) - brcmf_dbg(ERROR, "WLC_E_TRACE: [Event lost --> seqnum " - " %d nblost %d\n", be32_to_cpu(hdr.seqnum), - nblost); - seqnum_prev = be32_to_cpu(hdr.seqnum); - - /* Display the trace buffer. Advance from \n to \n to - * avoid display big - * printf (issue with Linux printk ) - */ - p = (char *)&buf[sizeof(struct msgtrace_hdr)]; - while ((s = strstr(p, "\n")) != NULL) { - *s = '\0'; - pr_debug("%s\n", p); - p = s + 1; - } - pr_debug("%s\n", p); - - /* Reset datalen to avoid display below */ - datalen = 0; - break; - - case BRCMF_E_RSSI: - brcmf_dbg(EVENT, "MACEVENT: %s %d\n", - event_name, be32_to_cpu(*((__be32 *)event_data))); - break; - - default: - brcmf_dbg(EVENT, - "MACEVENT: %s %d, MAC %s, status %d, reason %d, " - "auth %d\n", event_name, event_type, eabuf, - (int)status, (int)reason, (int)auth_type); - break; - } - - /* show any appended data */ - brcmf_dbg_hex_dump(datalen, event_data, datalen, "Received data"); -} -#endif /* DEBUG */ - -int -brcmf_c_host_event(struct brcmf_pub *drvr, int *ifidx, void *pktdata, - struct brcmf_event_msg *event, void **data_ptr) -{ - /* check whether packet is a BRCM event pkt */ - struct brcmf_event *pvt_data = (struct brcmf_event *) pktdata; - struct brcmf_if_event *ifevent; - char *event_data; - u32 type, status; - u16 flags; - int evlen; - - if (memcmp(BRCM_OUI, &pvt_data->hdr.oui[0], DOT11_OUI_LEN)) { - brcmf_dbg(ERROR, "mismatched OUI, bailing\n"); - return -EBADE; - } - - /* BRCM event pkt may be unaligned - use xxx_ua to load user_subtype. */ - if (get_unaligned_be16(&pvt_data->hdr.usr_subtype) != - BCMILCP_BCM_SUBTYPE_EVENT) { - brcmf_dbg(ERROR, "mismatched subtype, bailing\n"); - return -EBADE; - } - - *data_ptr = &pvt_data[1]; - event_data = *data_ptr; - - /* memcpy since BRCM event pkt may be unaligned. */ - memcpy(event, &pvt_data->msg, sizeof(struct brcmf_event_msg)); - - type = get_unaligned_be32(&event->event_type); - flags = get_unaligned_be16(&event->flags); - status = get_unaligned_be32(&event->status); - evlen = get_unaligned_be32(&event->datalen) + - sizeof(struct brcmf_event); - - switch (type) { - case BRCMF_E_IF: - ifevent = (struct brcmf_if_event *) event_data; - brcmf_dbg(TRACE, "if event\n"); - - if (ifevent->ifidx > 0 && ifevent->ifidx < BRCMF_MAX_IFS) { - if (ifevent->action == BRCMF_E_IF_ADD) - brcmf_add_if(drvr->dev, ifevent->ifidx, - event->ifname, - pvt_data->eth.h_dest); - else - brcmf_del_if(drvr, ifevent->ifidx); - } else { - brcmf_dbg(ERROR, "Invalid ifidx %d for %s\n", - ifevent->ifidx, event->ifname); - } - - /* send up the if event: btamp user needs it */ - *ifidx = brcmf_ifname2idx(drvr, event->ifname); - break; - - /* These are what external supplicant/authenticator wants */ - case BRCMF_E_LINK: - case BRCMF_E_ASSOC_IND: - case BRCMF_E_REASSOC_IND: - case BRCMF_E_DISASSOC_IND: - case BRCMF_E_MIC_ERROR: - default: - /* Fall through: this should get _everything_ */ - - *ifidx = brcmf_ifname2idx(drvr, event->ifname); - brcmf_dbg(TRACE, "MAC event %d, flags %x, status %x\n", - type, flags, status); - - /* put it back to BRCMF_E_NDIS_LINK */ - if (type == BRCMF_E_NDIS_LINK) { - u32 temp1; - __be32 temp2; - - temp1 = get_unaligned_be32(&event->event_type); - brcmf_dbg(TRACE, "Converted to WLC_E_LINK type %d\n", - temp1); - - temp2 = cpu_to_be32(BRCMF_E_NDIS_LINK); - memcpy((void *)(&pvt_data->msg.event_type), &temp2, - sizeof(pvt_data->msg.event_type)); - } - break; - } - -#ifdef DEBUG - if (BRCMF_EVENT_ON()) - brcmf_c_show_host_event(event, event_data); -#endif /* DEBUG */ - - return 0; -} - /* Convert user's input in hex pattern to byte-size mask */ static int brcmf_c_pattern_atoh(char *src, char *dst) { int i; if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) { - brcmf_dbg(ERROR, "Mask invalid format. Needs to start with 0x\n"); + brcmf_err("Mask invalid format. Needs to start with 0x\n"); return -EINVAL; } src = src + 2; /* Skip past 0x */ if (strlen(src) % 2 != 0) { - brcmf_dbg(ERROR, "Mask invalid format. Length must be even.\n"); + brcmf_err("Mask invalid format. Length must be even.\n"); return -EINVAL; } for (i = 0; *src != '\0'; i++) { @@ -603,90 +112,57 @@ static int brcmf_c_pattern_atoh(char *src, char *dst) return i; } -void -brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg, int enable, - int master_mode) +static void +brcmf_c_pktfilter_offload_enable(struct brcmf_if *ifp, char *arg, int enable, + int master_mode) { unsigned long res; - char *argv[8]; - int i = 0; - const char *str; - int buf_len; - int str_len; + char *argv; char *arg_save = NULL, *arg_org = NULL; - int rc; - char buf[128]; + s32 err; struct brcmf_pkt_filter_enable_le enable_parm; - struct brcmf_pkt_filter_enable_le *pkt_filterp; - __le32 mmode_le; - arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC); + arg_save = kstrdup(arg, GFP_ATOMIC); if (!arg_save) goto fail; arg_org = arg_save; - memcpy(arg_save, arg, strlen(arg) + 1); - argv[i] = strsep(&arg_save, " "); + argv = strsep(&arg_save, " "); - i = 0; - if (NULL == argv[i]) { - brcmf_dbg(ERROR, "No args provided\n"); + if (argv == NULL) { + brcmf_err("No args provided\n"); goto fail; } - str = "pkt_filter_enable"; - str_len = strlen(str); - strncpy(buf, str, str_len); - buf[str_len] = '\0'; - buf_len = str_len + 1; - - pkt_filterp = (struct brcmf_pkt_filter_enable_le *) (buf + str_len + 1); - /* Parse packet filter id. */ enable_parm.id = 0; - if (!kstrtoul(argv[i], 0, &res)) + if (!kstrtoul(argv, 0, &res)) enable_parm.id = cpu_to_le32((u32)res); - /* Parse enable/disable value. */ + /* Enable/disable the specified filter. */ enable_parm.enable = cpu_to_le32(enable); - buf_len += sizeof(enable_parm); - memcpy((char *)pkt_filterp, &enable_parm, sizeof(enable_parm)); + err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_enable", &enable_parm, + sizeof(enable_parm)); + if (err) + brcmf_err("Set pkt_filter_enable error (%d)\n", err); - /* Enable/disable the specified filter. */ - rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len); - rc = rc >= 0 ? 0 : rc; - if (rc) - brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n", - arg, rc); - else - brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg); - - /* Contorl the master mode */ - mmode_le = cpu_to_le32(master_mode); - brcmf_c_mkiovar("pkt_filter_mode", (char *)&mmode_le, 4, buf, - sizeof(buf)); - rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, - sizeof(buf)); - rc = rc >= 0 ? 0 : rc; - if (rc) - brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n", - arg, rc); + /* Control the master mode */ + err = brcmf_fil_iovar_int_set(ifp, "pkt_filter_mode", master_mode); + if (err) + brcmf_err("Set pkt_filter_mode error (%d)\n", err); fail: kfree(arg_org); } -void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg) +static void brcmf_c_pktfilter_offload_set(struct brcmf_if *ifp, char *arg) { - const char *str; - struct brcmf_pkt_filter_le pkt_filter; - struct brcmf_pkt_filter_le *pkt_filterp; + struct brcmf_pkt_filter_le *pkt_filter; unsigned long res; int buf_len; - int str_len; - int rc; + s32 err; u32 mask_size; u32 pattern_size; char *argv[8], *buf = NULL; @@ -704,104 +180,64 @@ void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg) goto fail; argv[i] = strsep(&arg_save, " "); - while (argv[i++]) + while (argv[i]) { + i++; + if (i >= 8) { + brcmf_err("Too many parameters\n"); + goto fail; + } argv[i] = strsep(&arg_save, " "); + } - i = 0; - if (NULL == argv[i]) { - brcmf_dbg(ERROR, "No args provided\n"); + if (i != 6) { + brcmf_err("Not enough args provided %d\n", i); goto fail; } - str = "pkt_filter_add"; - strcpy(buf, str); - str_len = strlen(str); - buf_len = str_len + 1; - - pkt_filterp = (struct brcmf_pkt_filter_le *) (buf + str_len + 1); + pkt_filter = (struct brcmf_pkt_filter_le *)buf; /* Parse packet filter id. */ - pkt_filter.id = 0; - if (!kstrtoul(argv[i], 0, &res)) - pkt_filter.id = cpu_to_le32((u32)res); - - if (NULL == argv[++i]) { - brcmf_dbg(ERROR, "Polarity not provided\n"); - goto fail; - } + pkt_filter->id = 0; + if (!kstrtoul(argv[0], 0, &res)) + pkt_filter->id = cpu_to_le32((u32)res); /* Parse filter polarity. */ - pkt_filter.negate_match = 0; - if (!kstrtoul(argv[i], 0, &res)) - pkt_filter.negate_match = cpu_to_le32((u32)res); - - if (NULL == argv[++i]) { - brcmf_dbg(ERROR, "Filter type not provided\n"); - goto fail; - } + pkt_filter->negate_match = 0; + if (!kstrtoul(argv[1], 0, &res)) + pkt_filter->negate_match = cpu_to_le32((u32)res); /* Parse filter type. */ - pkt_filter.type = 0; - if (!kstrtoul(argv[i], 0, &res)) - pkt_filter.type = cpu_to_le32((u32)res); - - if (NULL == argv[++i]) { - brcmf_dbg(ERROR, "Offset not provided\n"); - goto fail; - } + pkt_filter->type = 0; + if (!kstrtoul(argv[2], 0, &res)) + pkt_filter->type = cpu_to_le32((u32)res); /* Parse pattern filter offset. */ - pkt_filter.u.pattern.offset = 0; - if (!kstrtoul(argv[i], 0, &res)) - pkt_filter.u.pattern.offset = cpu_to_le32((u32)res); - - if (NULL == argv[++i]) { - brcmf_dbg(ERROR, "Bitmask not provided\n"); - goto fail; - } + pkt_filter->u.pattern.offset = 0; + if (!kstrtoul(argv[3], 0, &res)) + pkt_filter->u.pattern.offset = cpu_to_le32((u32)res); /* Parse pattern filter mask. */ - mask_size = - brcmf_c_pattern_atoh - (argv[i], (char *)pkt_filterp->u.pattern.mask_and_pattern); - - if (NULL == argv[++i]) { - brcmf_dbg(ERROR, "Pattern not provided\n"); - goto fail; - } + mask_size = brcmf_c_pattern_atoh(argv[4], + (char *)pkt_filter->u.pattern.mask_and_pattern); /* Parse pattern filter pattern. */ - pattern_size = - brcmf_c_pattern_atoh(argv[i], - (char *)&pkt_filterp->u.pattern. - mask_and_pattern[mask_size]); + pattern_size = brcmf_c_pattern_atoh(argv[5], + (char *)&pkt_filter->u.pattern.mask_and_pattern[mask_size]); if (mask_size != pattern_size) { - brcmf_dbg(ERROR, "Mask and pattern not the same size\n"); + brcmf_err("Mask and pattern not the same size\n"); goto fail; } - pkt_filter.u.pattern.size_bytes = cpu_to_le32(mask_size); - buf_len += BRCMF_PKT_FILTER_FIXED_LEN; - buf_len += (BRCMF_PKT_FILTER_PATTERN_FIXED_LEN + 2 * mask_size); + pkt_filter->u.pattern.size_bytes = cpu_to_le32(mask_size); + buf_len = offsetof(struct brcmf_pkt_filter_le, + u.pattern.mask_and_pattern); + buf_len += mask_size + pattern_size; - /* Keep-alive attributes are set in local - * variable (keep_alive_pkt), and - ** then memcpy'ed into buffer (keep_alive_pktp) since there is no - ** guarantee that the buffer is properly aligned. - */ - memcpy((char *)pkt_filterp, - &pkt_filter, - BRCMF_PKT_FILTER_FIXED_LEN + BRCMF_PKT_FILTER_PATTERN_FIXED_LEN); - - rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len); - rc = rc >= 0 ? 0 : rc; - - if (rc) - brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n", - arg, rc); - else - brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg); + err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_add", pkt_filter, + buf_len); + if (err) + brcmf_err("Set pkt_filter_add error (%d)\n", err); fail: kfree(arg_org); @@ -809,130 +245,149 @@ fail: kfree(buf); } -static void brcmf_c_arp_offload_set(struct brcmf_pub *drvr, int arp_mode) -{ - char iovbuf[32]; - int retcode; - __le32 arp_mode_le; - - arp_mode_le = cpu_to_le32(arp_mode); - brcmf_c_mkiovar("arp_ol", (char *)&arp_mode_le, 4, iovbuf, - sizeof(iovbuf)); - retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, - iovbuf, sizeof(iovbuf)); - retcode = retcode >= 0 ? 0 : retcode; - if (retcode) - brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, retcode = %d\n", - arp_mode, retcode); - else - brcmf_dbg(TRACE, "successfully set ARP offload mode to 0x%x\n", - arp_mode); -} - -static void brcmf_c_arp_offload_enable(struct brcmf_pub *drvr, int arp_enable) -{ - char iovbuf[32]; - int retcode; - __le32 arp_enable_le; - - arp_enable_le = cpu_to_le32(arp_enable); - - brcmf_c_mkiovar("arpoe", (char *)&arp_enable_le, 4, - iovbuf, sizeof(iovbuf)); - retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, - iovbuf, sizeof(iovbuf)); - retcode = retcode >= 0 ? 0 : retcode; - if (retcode) - brcmf_dbg(TRACE, "failed to enable ARP offload to %d, retcode = %d\n", - arp_enable, retcode); - else - brcmf_dbg(TRACE, "successfully enabled ARP offload to %d\n", - arp_enable); -} - -int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr) +int brcmf_c_preinit_dcmds(struct brcmf_if *ifp) { - char iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; /* Room for - "event_msgs" + '\0' + bitvec */ - char buf[128], *ptr; - __le32 roaming_le = cpu_to_le32(1); - __le32 bcn_timeout_le = cpu_to_le32(3); - __le32 scan_assoc_time_le = cpu_to_le32(40); - __le32 scan_unassoc_time_le = cpu_to_le32(40); - int i; - struct brcmf_bus_dcmd *cmdlst; - struct list_head *cur, *q; - - mutex_lock(&drvr->proto_block); - - /* Set Country code */ - if (drvr->country_code[0] != 0) { - if (brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_COUNTRY, - drvr->country_code, - sizeof(drvr->country_code)) < 0) - brcmf_dbg(ERROR, "country code setting failed\n"); + s8 eventmask[BRCMF_EVENTING_MASK_LEN]; + u8 buf[BRCMF_DCMD_SMLEN]; + struct brcmf_join_pref_params join_pref_params[2]; + char *ptr; + s32 err; + + /* retreive mac address */ + err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr, + sizeof(ifp->mac_addr)); + if (err < 0) { + brcmf_err("Retreiving cur_etheraddr failed, %d\n", + err); + goto done; } + memcpy(ifp->drvr->mac, ifp->mac_addr, sizeof(ifp->drvr->mac)); /* query for 'ver' to get version info from firmware */ memset(buf, 0, sizeof(buf)); - ptr = buf; - brcmf_c_mkiovar("ver", NULL, 0, buf, sizeof(buf)); - brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR, buf, sizeof(buf)); + strcpy(buf, "ver"); + err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf)); + if (err < 0) { + brcmf_err("Retreiving version information failed, %d\n", + err); + goto done; + } + ptr = (char *)buf; strsep(&ptr, "\n"); + /* Print fw version info */ - brcmf_dbg(ERROR, "Firmware version = %s\n", buf); + brcmf_err("Firmware version = %s\n", buf); - /* Setup timeout if Beacons are lost and roam is off to report - link down */ - brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_timeout_le, 4, iovbuf, - sizeof(iovbuf)); - brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, - sizeof(iovbuf)); + /* locate firmware version number for ethtool */ + ptr = strrchr(buf, ' ') + 1; + strlcpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver)); + + /* + * Setup timeout if Beacons are lost and roam is off to report + * link down + */ + err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", + BRCMF_DEFAULT_BCN_TIMEOUT); + if (err) { + brcmf_err("bcn_timeout error (%d)\n", err); + goto done; + } /* Enable/Disable build-in roaming to allowed ext supplicant to take - of romaing */ - brcmf_c_mkiovar("roam_off", (char *)&roaming_le, 4, - iovbuf, sizeof(iovbuf)); - brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, - sizeof(iovbuf)); - - /* Setup event_msgs */ - brcmf_c_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN, - iovbuf, sizeof(iovbuf)); - brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, - sizeof(iovbuf)); - - brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_CHANNEL_TIME, - (char *)&scan_assoc_time_le, sizeof(scan_assoc_time_le)); - brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_UNASSOC_TIME, - (char *)&scan_unassoc_time_le, sizeof(scan_unassoc_time_le)); - - /* Set and enable ARP offload feature */ - brcmf_c_arp_offload_set(drvr, BRCMF_ARPOL_MODE); - brcmf_c_arp_offload_enable(drvr, true); - - /* Set up pkt filter */ - for (i = 0; i < drvr->pktfilter_count; i++) { - brcmf_c_pktfilter_offload_set(drvr, drvr->pktfilter[i]); - brcmf_c_pktfilter_offload_enable(drvr, drvr->pktfilter[i], - 0, true); + * of romaing + */ + err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1); + if (err) { + brcmf_err("roam_off error (%d)\n", err); + goto done; } - /* set bus specific command if there is any */ - list_for_each_safe(cur, q, &drvr->bus_if->dcmd_list) { - cmdlst = list_entry(cur, struct brcmf_bus_dcmd, list); - if (cmdlst->name && cmdlst->param && cmdlst->param_len) { - brcmf_c_mkiovar(cmdlst->name, cmdlst->param, - cmdlst->param_len, iovbuf, - sizeof(iovbuf)); - brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, - iovbuf, sizeof(iovbuf)); - } - list_del(cur); - kfree(cmdlst); + /* Setup join_pref to select target by RSSI(with boost on 5GHz) */ + join_pref_params[0].type = BRCMF_JOIN_PREF_RSSI_DELTA; + join_pref_params[0].len = 2; + join_pref_params[0].rssi_gain = BRCMF_JOIN_PREF_RSSI_BOOST; + join_pref_params[0].band = WLC_BAND_5G; + join_pref_params[1].type = BRCMF_JOIN_PREF_RSSI; + join_pref_params[1].len = 2; + join_pref_params[1].rssi_gain = 0; + join_pref_params[1].band = 0; + err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params, + sizeof(join_pref_params)); + if (err) + brcmf_err("Set join_pref error (%d)\n", err); + + /* Setup event_msgs, enable E_IF */ + err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask, + BRCMF_EVENTING_MASK_LEN); + if (err) { + brcmf_err("Get event_msgs error (%d)\n", err); + goto done; + } + setbit(eventmask, BRCMF_E_IF); + err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask, + BRCMF_EVENTING_MASK_LEN); + if (err) { + brcmf_err("Set event_msgs error (%d)\n", err); + goto done; } - mutex_unlock(&drvr->proto_block); + /* Setup default scan channel time */ + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME, + BRCMF_DEFAULT_SCAN_CHANNEL_TIME); + if (err) { + brcmf_err("BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n", + err); + goto done; + } - return 0; + /* Setup default scan unassoc time */ + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME, + BRCMF_DEFAULT_SCAN_UNASSOC_TIME); + if (err) { + brcmf_err("BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n", + err); + goto done; + } + + /* Setup packet filter */ + brcmf_c_pktfilter_offload_set(ifp, BRCMF_DEFAULT_PACKET_FILTER); + brcmf_c_pktfilter_offload_enable(ifp, BRCMF_DEFAULT_PACKET_FILTER, + 0, true); + + /* do bus specific preinit here */ + err = brcmf_bus_preinit(ifp->drvr->bus_if); +done: + return err; } + +#ifdef CONFIG_BRCM_TRACING +void __brcmf_err(const char *func, const char *fmt, ...) +{ + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + + va_start(args, fmt); + vaf.va = &args; + pr_err("%s: %pV", func, &vaf); + trace_brcmf_err(func, &vaf); + va_end(args); +} +#endif +#if defined(CONFIG_BRCM_TRACING) || defined(CONFIG_BRCMDBG) +void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...) +{ + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + + va_start(args, fmt); + vaf.va = &args; + if (brcmf_msg_level & level) + pr_debug("%s %pV", func, &vaf); + trace_brcmf_dbg(level, func, &vaf); + va_end(args); +} +#endif diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c index 7f89540b56d..03fe8aca4d3 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c @@ -14,12 +14,9 @@ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/debugfs.h> -#include <linux/if_ether.h> -#include <linux/if.h> -#include <linux/ieee80211.h> +#include <linux/netdevice.h> #include <linux/module.h> -#include <defs.h> #include <brcmu_wifi.h> #include <brcmu_utils.h> #include "dhd.h" @@ -44,13 +41,50 @@ void brcmf_debugfs_exit(void) root_folder = NULL; } +static +ssize_t brcmf_debugfs_chipinfo_read(struct file *f, char __user *data, + size_t count, loff_t *ppos) +{ + struct brcmf_pub *drvr = f->private_data; + struct brcmf_bus *bus = drvr->bus_if; + char buf[40]; + int res; + + /* only allow read from start */ + if (*ppos > 0) + return 0; + + res = scnprintf(buf, sizeof(buf), "chip: %x(%u) rev %u\n", + bus->chip, bus->chip, bus->chiprev); + return simple_read_from_buffer(data, count, ppos, buf, res); +} + +static const struct file_operations brcmf_debugfs_chipinfo_ops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = brcmf_debugfs_chipinfo_read +}; + +static int brcmf_debugfs_create_chipinfo(struct brcmf_pub *drvr) +{ + struct dentry *dentry = drvr->dbgfs_dir; + + if (!IS_ERR_OR_NULL(dentry)) + debugfs_create_file("chipinfo", S_IRUGO, dentry, drvr, + &brcmf_debugfs_chipinfo_ops); + return 0; +} + int brcmf_debugfs_attach(struct brcmf_pub *drvr) { + struct device *dev = drvr->bus_if->dev; + if (!root_folder) return -ENODEV; - drvr->dbgfs_dir = debugfs_create_dir(dev_name(drvr->dev), root_folder); - return PTR_RET(drvr->dbgfs_dir); + drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder); + brcmf_debugfs_create_chipinfo(drvr); + return PTR_ERR_OR_ZERO(drvr->dbgfs_dir); } void brcmf_debugfs_detach(struct brcmf_pub *drvr) @@ -124,3 +158,88 @@ void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr, debugfs_create_file("counters", S_IRUGO, dentry, sdcnt, &brcmf_debugfs_sdio_counter_ops); } + +static +ssize_t brcmf_debugfs_fws_stats_read(struct file *f, char __user *data, + size_t count, loff_t *ppos) +{ + struct brcmf_fws_stats *fwstats = f->private_data; + char buf[650]; + int res; + + /* only allow read from start */ + if (*ppos > 0) + return 0; + + res = scnprintf(buf, sizeof(buf), + "header_pulls: %u\n" + "header_only_pkt: %u\n" + "tlv_parse_failed: %u\n" + "tlv_invalid_type: %u\n" + "mac_update_fails: %u\n" + "ps_update_fails: %u\n" + "if_update_fails: %u\n" + "pkt2bus: %u\n" + "generic_error: %u\n" + "rollback_success: %u\n" + "rollback_failed: %u\n" + "delayq_full: %u\n" + "supprq_full: %u\n" + "txs_indicate: %u\n" + "txs_discard: %u\n" + "txs_suppr_core: %u\n" + "txs_suppr_ps: %u\n" + "txs_tossed: %u\n" + "txs_host_tossed: %u\n" + "bus_flow_block: %u\n" + "fws_flow_block: %u\n" + "send_pkts: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n" + "requested_sent: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n", + fwstats->header_pulls, + fwstats->header_only_pkt, + fwstats->tlv_parse_failed, + fwstats->tlv_invalid_type, + fwstats->mac_update_failed, + fwstats->mac_ps_update_failed, + fwstats->if_update_failed, + fwstats->pkt2bus, + fwstats->generic_error, + fwstats->rollback_success, + fwstats->rollback_failed, + fwstats->delayq_full_error, + fwstats->supprq_full_error, + fwstats->txs_indicate, + fwstats->txs_discard, + fwstats->txs_supp_core, + fwstats->txs_supp_ps, + fwstats->txs_tossed, + fwstats->txs_host_tossed, + fwstats->bus_flow_block, + fwstats->fws_flow_block, + fwstats->send_pkts[0], fwstats->send_pkts[1], + fwstats->send_pkts[2], fwstats->send_pkts[3], + fwstats->send_pkts[4], + fwstats->requested_sent[0], + fwstats->requested_sent[1], + fwstats->requested_sent[2], + fwstats->requested_sent[3], + fwstats->requested_sent[4]); + + return simple_read_from_buffer(data, count, ppos, buf, res); +} + +static const struct file_operations brcmf_debugfs_fws_stats_ops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = brcmf_debugfs_fws_stats_read +}; + +void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr, + struct brcmf_fws_stats *stats) +{ + struct dentry *dentry = drvr->dbgfs_dir; + + if (!IS_ERR_OR_NULL(dentry)) + debugfs_create_file("fws_stats", S_IRUGO, dentry, + stats, &brcmf_debugfs_fws_stats_ops); +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h index fb508c2256d..ef52ed7abc6 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h @@ -18,46 +18,66 @@ #define _BRCMF_DBG_H_ /* message levels */ -#define BRCMF_ERROR_VAL 0x0001 -#define BRCMF_TRACE_VAL 0x0002 -#define BRCMF_INFO_VAL 0x0004 -#define BRCMF_DATA_VAL 0x0008 -#define BRCMF_CTL_VAL 0x0010 -#define BRCMF_TIMER_VAL 0x0020 -#define BRCMF_HDRS_VAL 0x0040 -#define BRCMF_BYTES_VAL 0x0080 -#define BRCMF_INTR_VAL 0x0100 -#define BRCMF_GLOM_VAL 0x0400 -#define BRCMF_EVENT_VAL 0x0800 -#define BRCMF_BTA_VAL 0x1000 -#define BRCMF_ISCAN_VAL 0x2000 +#define BRCMF_TRACE_VAL 0x00000002 +#define BRCMF_INFO_VAL 0x00000004 +#define BRCMF_DATA_VAL 0x00000008 +#define BRCMF_CTL_VAL 0x00000010 +#define BRCMF_TIMER_VAL 0x00000020 +#define BRCMF_HDRS_VAL 0x00000040 +#define BRCMF_BYTES_VAL 0x00000080 +#define BRCMF_INTR_VAL 0x00000100 +#define BRCMF_GLOM_VAL 0x00000200 +#define BRCMF_EVENT_VAL 0x00000400 +#define BRCMF_BTA_VAL 0x00000800 +#define BRCMF_FIL_VAL 0x00001000 +#define BRCMF_USB_VAL 0x00002000 +#define BRCMF_SCAN_VAL 0x00004000 +#define BRCMF_CONN_VAL 0x00008000 +#define BRCMF_BCDC_VAL 0x00010000 +#define BRCMF_SDIO_VAL 0x00020000 -#if defined(DEBUG) +/* set default print format */ +#undef pr_fmt +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -#define brcmf_dbg(level, fmt, ...) \ -do { \ - if (BRCMF_ERROR_VAL == BRCMF_##level##_VAL) { \ - if (brcmf_msg_level & BRCMF_##level##_VAL) { \ - if (net_ratelimit()) \ - pr_debug("%s: " fmt, \ - __func__, ##__VA_ARGS__); \ - } \ - } else { \ - if (brcmf_msg_level & BRCMF_##level##_VAL) { \ - pr_debug("%s: " fmt, \ - __func__, ##__VA_ARGS__); \ - } \ - } \ -} while (0) +/* Macro for error messages. net_ratelimit() is used when driver + * debugging is not selected. When debugging the driver error + * messages are as important as other tracing or even more so. + */ +#ifndef CONFIG_BRCM_TRACING +#ifdef CONFIG_BRCMDBG +#define brcmf_err(fmt, ...) pr_err("%s: " fmt, __func__, ##__VA_ARGS__) +#else +#define brcmf_err(fmt, ...) \ + do { \ + if (net_ratelimit()) \ + pr_err("%s: " fmt, __func__, ##__VA_ARGS__); \ + } while (0) +#endif +#else +__printf(2, 3) +void __brcmf_err(const char *func, const char *fmt, ...); +#define brcmf_err(fmt, ...) \ + __brcmf_err(__func__, fmt, ##__VA_ARGS__) +#endif +#if defined(DEBUG) || defined(CONFIG_BRCM_TRACING) +__printf(3, 4) +void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...); +#define brcmf_dbg(level, fmt, ...) \ +do { \ + __brcmf_dbg(BRCMF_##level##_VAL, __func__, \ + fmt, ##__VA_ARGS__); \ +} while (0) #define BRCMF_DATA_ON() (brcmf_msg_level & BRCMF_DATA_VAL) #define BRCMF_CTL_ON() (brcmf_msg_level & BRCMF_CTL_VAL) #define BRCMF_HDRS_ON() (brcmf_msg_level & BRCMF_HDRS_VAL) #define BRCMF_BYTES_ON() (brcmf_msg_level & BRCMF_BYTES_VAL) #define BRCMF_GLOM_ON() (brcmf_msg_level & BRCMF_GLOM_VAL) #define BRCMF_EVENT_ON() (brcmf_msg_level & BRCMF_EVENT_VAL) +#define BRCMF_FIL_ON() (brcmf_msg_level & BRCMF_FIL_VAL) -#else /* (defined DEBUG) || (defined DEBUG) */ +#else /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */ #define brcmf_dbg(level, fmt, ...) no_printk(fmt, ##__VA_ARGS__) @@ -67,11 +87,13 @@ do { \ #define BRCMF_BYTES_ON() 0 #define BRCMF_GLOM_ON() 0 #define BRCMF_EVENT_ON() 0 +#define BRCMF_FIL_ON() 0 -#endif /* defined(DEBUG) */ +#endif /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */ #define brcmf_dbg_hex_dump(test, data, len, fmt, ...) \ do { \ + trace_brcmf_hexdump((void *)data, len); \ if (test) \ brcmu_dbg_hex_dump(data, len, fmt, ##__VA_ARGS__); \ } while (0) @@ -112,6 +134,34 @@ struct brcmf_sdio_count { ulong rx_readahead_cnt; /* packets where header read-ahead was used */ }; +struct brcmf_fws_stats { + u32 tlv_parse_failed; + u32 tlv_invalid_type; + u32 header_only_pkt; + u32 header_pulls; + u32 pkt2bus; + u32 send_pkts[5]; + u32 requested_sent[5]; + u32 generic_error; + u32 mac_update_failed; + u32 mac_ps_update_failed; + u32 if_update_failed; + u32 packet_request_failed; + u32 credit_request_failed; + u32 rollback_success; + u32 rollback_failed; + u32 delayq_full_error; + u32 supprq_full_error; + u32 txs_indicate; + u32 txs_discard; + u32 txs_supp_core; + u32 txs_supp_ps; + u32 txs_tossed; + u32 txs_host_tossed; + u32 bus_flow_block; + u32 fws_flow_block; +}; + struct brcmf_pub; #ifdef DEBUG void brcmf_debugfs_init(void); @@ -121,6 +171,8 @@ void brcmf_debugfs_detach(struct brcmf_pub *drvr); struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr); void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr, struct brcmf_sdio_count *sdcnt); +void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr, + struct brcmf_fws_stats *stats); #else static inline void brcmf_debugfs_init(void) { @@ -135,6 +187,10 @@ static inline int brcmf_debugfs_attach(struct brcmf_pub *drvr) static inline void brcmf_debugfs_detach(struct brcmf_pub *drvr) { } +static inline void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr, + struct brcmf_fws_stats *stats) +{ +} #endif #endif /* _BRCMF_DBG_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index d7c76ce9d8c..09dd8c13d84 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -14,86 +14,64 @@ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/init.h> #include <linux/kernel.h> -#include <linux/kthread.h> -#include <linux/slab.h> -#include <linux/skbuff.h> -#include <linux/netdevice.h> #include <linux/etherdevice.h> -#include <linux/mmc/sdio_func.h> -#include <linux/random.h> -#include <linux/spinlock.h> -#include <linux/ethtool.h> -#include <linux/fcntl.h> -#include <linux/fs.h> -#include <linux/uaccess.h> -#include <linux/hardirq.h> -#include <linux/mutex.h> -#include <linux/wait.h> #include <linux/module.h> #include <net/cfg80211.h> #include <net/rtnetlink.h> -#include <defs.h> #include <brcmu_utils.h> #include <brcmu_wifi.h> #include "dhd.h" #include "dhd_bus.h" -#include "dhd_proto.h" #include "dhd_dbg.h" +#include "fwil_types.h" +#include "p2p.h" #include "wl_cfg80211.h" +#include "fwil.h" +#include "fwsignal.h" +#include "proto.h" MODULE_AUTHOR("Broadcom Corporation"); -MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver."); -MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards"); +MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver."); MODULE_LICENSE("Dual BSD/GPL"); +#define MAX_WAIT_FOR_8021X_TX 50 /* msecs */ -/* Interface control information */ -struct brcmf_if { - struct brcmf_pub *drvr; /* back pointer to brcmf_pub */ - /* OS/stack specifics */ - struct net_device *ndev; - struct net_device_stats stats; - int idx; /* iface idx in dongle */ - u8 mac_addr[ETH_ALEN]; /* assigned MAC address */ -}; - -/* Error bits */ -int brcmf_msg_level = BRCMF_ERROR_VAL; -module_param(brcmf_msg_level, int, 0); - -int brcmf_ifname2idx(struct brcmf_pub *drvr, char *name) -{ - int i = BRCMF_MAX_IFS; - struct brcmf_if *ifp; - - if (name == NULL || *name == '\0') - return 0; - - while (--i > 0) { - ifp = drvr->iflist[i]; - if (ifp && !strncmp(ifp->ndev->name, name, IFNAMSIZ)) - break; - } +/* AMPDU rx reordering definitions */ +#define BRCMF_RXREORDER_FLOWID_OFFSET 0 +#define BRCMF_RXREORDER_MAXIDX_OFFSET 2 +#define BRCMF_RXREORDER_FLAGS_OFFSET 4 +#define BRCMF_RXREORDER_CURIDX_OFFSET 6 +#define BRCMF_RXREORDER_EXPIDX_OFFSET 8 - brcmf_dbg(TRACE, "return idx %d for \"%s\"\n", i, name); +#define BRCMF_RXREORDER_DEL_FLOW 0x01 +#define BRCMF_RXREORDER_FLUSH_ALL 0x02 +#define BRCMF_RXREORDER_CURIDX_VALID 0x04 +#define BRCMF_RXREORDER_EXPIDX_VALID 0x08 +#define BRCMF_RXREORDER_NEW_HOLE 0x10 - return i; /* default - the primary interface */ -} +/* Error bits */ +int brcmf_msg_level; +module_param_named(debug, brcmf_msg_level, int, S_IRUSR | S_IWUSR); +MODULE_PARM_DESC(debug, "level of debug output"); + +/* P2P0 enable */ +static int brcmf_p2p_enable; +#ifdef CONFIG_BRCMDBG +module_param_named(p2pon, brcmf_p2p_enable, int, 0); +MODULE_PARM_DESC(p2pon, "enable p2p management functionality"); +#endif char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) { if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { - brcmf_dbg(ERROR, "ifidx %d out of range\n", ifidx); + brcmf_err("ifidx %d out of range\n", ifidx); return "<if_bad>"; } if (drvr->iflist[ifidx] == NULL) { - brcmf_dbg(ERROR, "null i/f %d\n", ifidx); + brcmf_err("null i/f %d\n", ifidx); return "<if_null>"; } @@ -105,38 +83,34 @@ char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) static void _brcmf_set_multicast_list(struct work_struct *work) { + struct brcmf_if *ifp; struct net_device *ndev; struct netdev_hw_addr *ha; - u32 dcmd_value, cnt; + u32 cmd_value, cnt; __le32 cnt_le; - __le32 dcmd_le_value; - - struct brcmf_dcmd dcmd; char *buf, *bufp; - uint buflen; - int ret; + u32 buflen; + s32 err; - struct brcmf_pub *drvr = container_of(work, struct brcmf_pub, - multicast_work); + ifp = container_of(work, struct brcmf_if, multicast_work); - ndev = drvr->iflist[0]->ndev; - cnt = netdev_mc_count(ndev); + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); + + ndev = ifp->ndev; /* Determine initial value of allmulti flag */ - dcmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false; + cmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false; /* Send down the multicast list first. */ - - buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETH_ALEN); - bufp = buf = kmalloc(buflen, GFP_ATOMIC); - if (!bufp) + cnt = netdev_mc_count(ndev); + buflen = sizeof(cnt) + (cnt * ETH_ALEN); + buf = kmalloc(buflen, GFP_ATOMIC); + if (!buf) return; - - strcpy(bufp, "mcast_list"); - bufp += strlen("mcast_list") + 1; + bufp = buf; cnt_le = cpu_to_le32(cnt); - memcpy(bufp, &cnt_le, sizeof(cnt)); + memcpy(bufp, &cnt_le, sizeof(cnt_le)); bufp += sizeof(cnt_le); netdev_for_each_mc_addr(ha, ndev) { @@ -147,153 +121,94 @@ static void _brcmf_set_multicast_list(struct work_struct *work) cnt--; } - memset(&dcmd, 0, sizeof(dcmd)); - dcmd.cmd = BRCMF_C_SET_VAR; - dcmd.buf = buf; - dcmd.len = buflen; - dcmd.set = true; - - ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len); - if (ret < 0) { - brcmf_dbg(ERROR, "%s: set mcast_list failed, cnt %d\n", - brcmf_ifname(drvr, 0), cnt); - dcmd_value = cnt ? true : dcmd_value; + err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen); + if (err < 0) { + brcmf_err("Setting mcast_list failed, %d\n", err); + cmd_value = cnt ? true : cmd_value; } kfree(buf); - /* Now send the allmulti setting. This is based on the setting in the + /* + * Now send the allmulti setting. This is based on the setting in the * net_device flags, but might be modified above to be turned on if we * were trying to set some addresses and dongle rejected it... */ - - buflen = sizeof("allmulti") + sizeof(dcmd_value); - buf = kmalloc(buflen, GFP_ATOMIC); - if (!buf) - return; - - dcmd_le_value = cpu_to_le32(dcmd_value); - - if (!brcmf_c_mkiovar - ("allmulti", (void *)&dcmd_le_value, - sizeof(dcmd_le_value), buf, buflen)) { - brcmf_dbg(ERROR, "%s: mkiovar failed for allmulti, datalen %d buflen %u\n", - brcmf_ifname(drvr, 0), - (int)sizeof(dcmd_value), buflen); - kfree(buf); - return; - } - - memset(&dcmd, 0, sizeof(dcmd)); - dcmd.cmd = BRCMF_C_SET_VAR; - dcmd.buf = buf; - dcmd.len = buflen; - dcmd.set = true; - - ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len); - if (ret < 0) { - brcmf_dbg(ERROR, "%s: set allmulti %d failed\n", - brcmf_ifname(drvr, 0), - le32_to_cpu(dcmd_le_value)); - } - - kfree(buf); - - /* Finally, pick up the PROMISC flag as well, like the NIC - driver does */ - - dcmd_value = (ndev->flags & IFF_PROMISC) ? true : false; - dcmd_le_value = cpu_to_le32(dcmd_value); - - memset(&dcmd, 0, sizeof(dcmd)); - dcmd.cmd = BRCMF_C_SET_PROMISC; - dcmd.buf = &dcmd_le_value; - dcmd.len = sizeof(dcmd_le_value); - dcmd.set = true; - - ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len); - if (ret < 0) { - brcmf_dbg(ERROR, "%s: set promisc %d failed\n", - brcmf_ifname(drvr, 0), - le32_to_cpu(dcmd_le_value)); - } + err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value); + if (err < 0) + brcmf_err("Setting allmulti failed, %d\n", err); + + /*Finally, pick up the PROMISC flag */ + cmd_value = (ndev->flags & IFF_PROMISC) ? true : false; + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value); + if (err < 0) + brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n", + err); } static void _brcmf_set_mac_address(struct work_struct *work) { - char buf[32]; - struct brcmf_dcmd dcmd; - int ret; - - struct brcmf_pub *drvr = container_of(work, struct brcmf_pub, - setmacaddr_work); + struct brcmf_if *ifp; + s32 err; - brcmf_dbg(TRACE, "enter\n"); - if (!brcmf_c_mkiovar("cur_etheraddr", (char *)drvr->macvalue, - ETH_ALEN, buf, 32)) { - brcmf_dbg(ERROR, "%s: mkiovar failed for cur_etheraddr\n", - brcmf_ifname(drvr, 0)); - return; - } - memset(&dcmd, 0, sizeof(dcmd)); - dcmd.cmd = BRCMF_C_SET_VAR; - dcmd.buf = buf; - dcmd.len = 32; - dcmd.set = true; + ifp = container_of(work, struct brcmf_if, setmacaddr_work); - ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len); - if (ret < 0) - brcmf_dbg(ERROR, "%s: set cur_etheraddr failed\n", - brcmf_ifname(drvr, 0)); - else - memcpy(drvr->iflist[0]->ndev->dev_addr, - drvr->macvalue, ETH_ALEN); + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - return; + err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr, + ETH_ALEN); + if (err < 0) { + brcmf_err("Setting cur_etheraddr failed, %d\n", err); + } else { + brcmf_dbg(TRACE, "MAC address updated to %pM\n", + ifp->mac_addr); + memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN); + } } static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr) { struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; struct sockaddr *sa = (struct sockaddr *)addr; - memcpy(&drvr->macvalue, sa->sa_data, ETH_ALEN); - schedule_work(&drvr->setmacaddr_work); + memcpy(&ifp->mac_addr, sa->sa_data, ETH_ALEN); + schedule_work(&ifp->setmacaddr_work); return 0; } static void brcmf_netdev_set_multicast_list(struct net_device *ndev) { struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - schedule_work(&drvr->multicast_work); + schedule_work(&ifp->multicast_work); } -static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev) +static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, + struct net_device *ndev) { int ret; struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_pub *drvr = ifp->drvr; + struct ethhdr *eh = (struct ethhdr *)(skb->data); - brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(DATA, "Enter, idx=%d\n", ifp->bssidx); - /* Reject if down */ - if (!drvr->bus_if->drvr_up || - (drvr->bus_if->state == BRCMF_BUS_DOWN)) { - brcmf_dbg(ERROR, "xmit rejected drvup=%d state=%d\n", - drvr->bus_if->drvr_up, - drvr->bus_if->state); + /* Can the device send data? */ + if (drvr->bus_if->state != BRCMF_BUS_DATA) { + brcmf_err("xmit rejected state=%d\n", drvr->bus_if->state); netif_stop_queue(ndev); - return -ENODEV; + dev_kfree_skb(skb); + ret = -ENODEV; + goto done; } - if (!drvr->iflist[ifp->idx]) { - brcmf_dbg(ERROR, "bad ifidx %d\n", ifp->idx); + if (!drvr->iflist[ifp->bssidx]) { + brcmf_err("bad ifidx %d\n", ifp->bssidx); netif_stop_queue(ndev); - return -ENODEV; + dev_kfree_skb(skb); + ret = -ENODEV; + goto done; } /* Make sure there's enough room for any header */ @@ -301,495 +216,410 @@ static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev) struct sk_buff *skb2; brcmf_dbg(INFO, "%s: insufficient headroom\n", - brcmf_ifname(drvr, ifp->idx)); + brcmf_ifname(drvr, ifp->bssidx)); drvr->bus_if->tx_realloc++; skb2 = skb_realloc_headroom(skb, drvr->hdrlen); dev_kfree_skb(skb); skb = skb2; if (skb == NULL) { - brcmf_dbg(ERROR, "%s: skb_realloc_headroom failed\n", - brcmf_ifname(drvr, ifp->idx)); + brcmf_err("%s: skb_realloc_headroom failed\n", + brcmf_ifname(drvr, ifp->bssidx)); ret = -ENOMEM; goto done; } } - /* Update multicast statistic */ - if (skb->len >= ETH_ALEN) { - u8 *pktdata = (u8 *)(skb->data); - struct ethhdr *eh = (struct ethhdr *)pktdata; - - if (is_multicast_ether_addr(eh->h_dest)) - drvr->tx_multicast++; - if (ntohs(eh->h_proto) == ETH_P_PAE) - atomic_inc(&drvr->pend_8021x_cnt); + /* validate length for ether packet */ + if (skb->len < sizeof(*eh)) { + ret = -EINVAL; + dev_kfree_skb(skb); + goto done; } - /* If the protocol uses a data header, apply it */ - brcmf_proto_hdrpush(drvr, ifp->idx, skb); + if (eh->h_proto == htons(ETH_P_PAE)) + atomic_inc(&ifp->pend_8021x_cnt); - /* Use bus module to send data frame */ - ret = drvr->bus_if->brcmf_bus_txdata(drvr->dev, skb); + ret = brcmf_fws_process_skb(ifp, skb); done: - if (ret) - drvr->bus_if->dstats.tx_dropped++; - else - drvr->bus_if->dstats.tx_packets++; + if (ret) { + ifp->stats.tx_dropped++; + } else { + ifp->stats.tx_packets++; + ifp->stats.tx_bytes += skb->len; + } /* Return ok: we always eat the packet */ - return 0; + return NETDEV_TX_OK; } -void brcmf_txflowblock(struct device *dev, bool state) +void brcmf_txflowblock_if(struct brcmf_if *ifp, + enum brcmf_netif_stop_reason reason, bool state) { - struct net_device *ndev; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - int i; - - brcmf_dbg(TRACE, "Enter\n"); - - for (i = 0; i < BRCMF_MAX_IFS; i++) - if (drvr->iflist[i]) { - ndev = drvr->iflist[i]->ndev; - if (state) - netif_stop_queue(ndev); - else - netif_wake_queue(ndev); - } -} + unsigned long flags; -static int brcmf_host_event(struct brcmf_pub *drvr, int *ifidx, - void *pktdata, struct brcmf_event_msg *event, - void **data) -{ - int bcmerror = 0; - - bcmerror = brcmf_c_host_event(drvr, ifidx, pktdata, event, data); - if (bcmerror != 0) - return bcmerror; + if (!ifp || !ifp->ndev) + return; - if (drvr->iflist[*ifidx]->ndev) - brcmf_cfg80211_event(drvr->iflist[*ifidx]->ndev, - event, *data); + brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n", + ifp->bssidx, ifp->netif_stop, reason, state); - return bcmerror; + spin_lock_irqsave(&ifp->netif_stop_lock, flags); + if (state) { + if (!ifp->netif_stop) + netif_stop_queue(ifp->ndev); + ifp->netif_stop |= reason; + } else { + ifp->netif_stop &= ~reason; + if (!ifp->netif_stop) + netif_wake_queue(ifp->ndev); + } + spin_unlock_irqrestore(&ifp->netif_stop_lock, flags); } -void brcmf_rx_frame(struct device *dev, int ifidx, - struct sk_buff_head *skb_list) +void brcmf_txflowblock(struct device *dev, bool state) { - unsigned char *eth; - uint len; - void *data; - struct sk_buff *skb, *pnext; - struct brcmf_if *ifp; - struct brcmf_event_msg event; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_pub *drvr = bus_if->drvr; brcmf_dbg(TRACE, "Enter\n"); - skb_queue_walk_safe(skb_list, skb, pnext) { - skb_unlink(skb, skb_list); - - /* Get the protocol, maintain skb around eth_type_trans() - * The main reason for this hack is for the limitation of - * Linux 2.4 where 'eth_type_trans' uses the - * 'net->hard_header_len' - * to perform skb_pull inside vs ETH_HLEN. Since to avoid - * coping of the packet coming from the network stack to add - * BDC, Hardware header etc, during network interface - * registration - * we set the 'net->hard_header_len' to ETH_HLEN + extra space - * required - * for BDC, Hardware header etc. and not just the ETH_HLEN - */ - eth = skb->data; - len = skb->len; - - ifp = drvr->iflist[ifidx]; - if (ifp == NULL) - ifp = drvr->iflist[0]; - - if (!ifp || !ifp->ndev || - ifp->ndev->reg_state != NETREG_REGISTERED) { - brcmu_pkt_buf_free_skb(skb); - continue; - } + brcmf_fws_bus_blocked(drvr, state); +} - skb->dev = ifp->ndev; - skb->protocol = eth_type_trans(skb, skb->dev); +static void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb) +{ + skb->dev = ifp->ndev; + skb->protocol = eth_type_trans(skb, skb->dev); - if (skb->pkt_type == PACKET_MULTICAST) - bus_if->dstats.multicast++; + if (skb->pkt_type == PACKET_MULTICAST) + ifp->stats.multicast++; - skb->data = eth; - skb->len = len; + /* Process special event packets */ + brcmf_fweh_process_skb(ifp->drvr, skb); - /* Strip header, count, deliver upward */ - skb_pull(skb, ETH_HLEN); + if (!(ifp->ndev->flags & IFF_UP)) { + brcmu_pkt_buf_free_skb(skb); + return; + } - /* Process special event packets and then discard them */ - if (ntohs(skb->protocol) == ETH_P_LINK_CTL) - brcmf_host_event(drvr, &ifidx, - skb_mac_header(skb), - &event, &data); + ifp->stats.rx_bytes += skb->len; + ifp->stats.rx_packets++; - if (drvr->iflist[ifidx]) { - ifp = drvr->iflist[ifidx]; - ifp->ndev->last_rx = jiffies; - } + brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol)); + if (in_interrupt()) + netif_rx(skb); + else + /* If the receive is not processed inside an ISR, + * the softirqd must be woken explicitly to service + * the NET_RX_SOFTIRQ. This is handled by netif_rx_ni(). + */ + netif_rx_ni(skb); +} - bus_if->dstats.rx_bytes += skb->len; - bus_if->dstats.rx_packets++; /* Local count */ +static void brcmf_rxreorder_get_skb_list(struct brcmf_ampdu_rx_reorder *rfi, + u8 start, u8 end, + struct sk_buff_head *skb_list) +{ + /* initialize return list */ + __skb_queue_head_init(skb_list); - if (in_interrupt()) - netif_rx(skb); - else - /* If the receive is not processed inside an ISR, - * the softirqd must be woken explicitly to service - * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled - * by netif_rx_ni(), but in earlier kernels, we need - * to do it manually. - */ - netif_rx_ni(skb); + if (rfi->pend_pkts == 0) { + brcmf_dbg(INFO, "no packets in reorder queue\n"); + return; } + + do { + if (rfi->pktslots[start]) { + __skb_queue_tail(skb_list, rfi->pktslots[start]); + rfi->pktslots[start] = NULL; + } + start++; + if (start > rfi->max_idx) + start = 0; + } while (start != end); + rfi->pend_pkts -= skb_queue_len(skb_list); } -void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) +static void brcmf_rxreorder_process_info(struct brcmf_if *ifp, u8 *reorder_data, + struct sk_buff *pkt) { - uint ifidx; - struct ethhdr *eh; - u16 type; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - - brcmf_proto_hdrpull(dev, &ifidx, txp); - - eh = (struct ethhdr *)(txp->data); - type = ntohs(eh->h_proto); + u8 flow_id, max_idx, cur_idx, exp_idx, end_idx; + struct brcmf_ampdu_rx_reorder *rfi; + struct sk_buff_head reorder_list; + struct sk_buff *pnext; + u8 flags; + u32 buf_size; + + flow_id = reorder_data[BRCMF_RXREORDER_FLOWID_OFFSET]; + flags = reorder_data[BRCMF_RXREORDER_FLAGS_OFFSET]; + + /* validate flags and flow id */ + if (flags == 0xFF) { + brcmf_err("invalid flags...so ignore this packet\n"); + brcmf_netif_rx(ifp, pkt); + return; + } - if (type == ETH_P_PAE) - atomic_dec(&drvr->pend_8021x_cnt); + rfi = ifp->drvr->reorder_flows[flow_id]; + if (flags & BRCMF_RXREORDER_DEL_FLOW) { + brcmf_dbg(INFO, "flow-%d: delete\n", + flow_id); -} + if (rfi == NULL) { + brcmf_dbg(INFO, "received flags to cleanup, but no flow (%d) yet\n", + flow_id); + brcmf_netif_rx(ifp, pkt); + return; + } -static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_bus *bus_if = ifp->drvr->bus_if; + brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, rfi->exp_idx, + &reorder_list); + /* add the last packet */ + __skb_queue_tail(&reorder_list, pkt); + kfree(rfi); + ifp->drvr->reorder_flows[flow_id] = NULL; + goto netif_rx; + } + /* from here on we need a flow reorder instance */ + if (rfi == NULL) { + buf_size = sizeof(*rfi); + max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET]; + + buf_size += (max_idx + 1) * sizeof(pkt); + + /* allocate space for flow reorder info */ + brcmf_dbg(INFO, "flow-%d: start, maxidx %d\n", + flow_id, max_idx); + rfi = kzalloc(buf_size, GFP_ATOMIC); + if (rfi == NULL) { + brcmf_err("failed to alloc buffer\n"); + brcmf_netif_rx(ifp, pkt); + return; + } - brcmf_dbg(TRACE, "Enter\n"); + ifp->drvr->reorder_flows[flow_id] = rfi; + rfi->pktslots = (struct sk_buff **)(rfi+1); + rfi->max_idx = max_idx; + } + if (flags & BRCMF_RXREORDER_NEW_HOLE) { + if (rfi->pend_pkts) { + brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, + rfi->exp_idx, + &reorder_list); + WARN_ON(rfi->pend_pkts); + } else { + __skb_queue_head_init(&reorder_list); + } + rfi->cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET]; + rfi->exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; + rfi->max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET]; + rfi->pktslots[rfi->cur_idx] = pkt; + rfi->pend_pkts++; + brcmf_dbg(DATA, "flow-%d: new hole %d (%d), pending %d\n", + flow_id, rfi->cur_idx, rfi->exp_idx, rfi->pend_pkts); + } else if (flags & BRCMF_RXREORDER_CURIDX_VALID) { + cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET]; + exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; + + if ((exp_idx == rfi->exp_idx) && (cur_idx != rfi->exp_idx)) { + /* still in the current hole */ + /* enqueue the current on the buffer chain */ + if (rfi->pktslots[cur_idx] != NULL) { + brcmf_dbg(INFO, "HOLE: ERROR buffer pending..free it\n"); + brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]); + rfi->pktslots[cur_idx] = NULL; + } + rfi->pktslots[cur_idx] = pkt; + rfi->pend_pkts++; + rfi->cur_idx = cur_idx; + brcmf_dbg(DATA, "flow-%d: store pkt %d (%d), pending %d\n", + flow_id, cur_idx, exp_idx, rfi->pend_pkts); + + /* can return now as there is no reorder + * list to process. + */ + return; + } + if (rfi->exp_idx == cur_idx) { + if (rfi->pktslots[cur_idx] != NULL) { + brcmf_dbg(INFO, "error buffer pending..free it\n"); + brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]); + rfi->pktslots[cur_idx] = NULL; + } + rfi->pktslots[cur_idx] = pkt; + rfi->pend_pkts++; - /* Copy dongle stats to net device stats */ - ifp->stats.rx_packets = bus_if->dstats.rx_packets; - ifp->stats.tx_packets = bus_if->dstats.tx_packets; - ifp->stats.rx_bytes = bus_if->dstats.rx_bytes; - ifp->stats.tx_bytes = bus_if->dstats.tx_bytes; - ifp->stats.rx_errors = bus_if->dstats.rx_errors; - ifp->stats.tx_errors = bus_if->dstats.tx_errors; - ifp->stats.rx_dropped = bus_if->dstats.rx_dropped; - ifp->stats.tx_dropped = bus_if->dstats.tx_dropped; - ifp->stats.multicast = bus_if->dstats.multicast; + /* got the expected one. flush from current to expected + * and update expected + */ + brcmf_dbg(DATA, "flow-%d: expected %d (%d), pending %d\n", + flow_id, cur_idx, exp_idx, rfi->pend_pkts); - return &ifp->stats; -} + rfi->cur_idx = cur_idx; + rfi->exp_idx = exp_idx; -/* Retrieve current toe component enables, which are kept - as a bitmap in toe_ol iovar */ -static int brcmf_toe_get(struct brcmf_pub *drvr, int ifidx, u32 *toe_ol) -{ - struct brcmf_dcmd dcmd; - __le32 toe_le; - char buf[32]; - int ret; + brcmf_rxreorder_get_skb_list(rfi, cur_idx, exp_idx, + &reorder_list); + brcmf_dbg(DATA, "flow-%d: freeing buffers %d, pending %d\n", + flow_id, skb_queue_len(&reorder_list), + rfi->pend_pkts); + } else { + u8 end_idx; - memset(&dcmd, 0, sizeof(dcmd)); + brcmf_dbg(DATA, "flow-%d (0x%x): both moved, old %d/%d, new %d/%d\n", + flow_id, flags, rfi->cur_idx, rfi->exp_idx, + cur_idx, exp_idx); + if (flags & BRCMF_RXREORDER_FLUSH_ALL) + end_idx = rfi->exp_idx; + else + end_idx = exp_idx; - dcmd.cmd = BRCMF_C_GET_VAR; - dcmd.buf = buf; - dcmd.len = (uint) sizeof(buf); - dcmd.set = false; + /* flush pkts first */ + brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx, + &reorder_list); - strcpy(buf, "toe_ol"); - ret = brcmf_proto_dcmd(drvr, ifidx, &dcmd, dcmd.len); - if (ret < 0) { - /* Check for older dongle image that doesn't support toe_ol */ - if (ret == -EIO) { - brcmf_dbg(ERROR, "%s: toe not supported by device\n", - brcmf_ifname(drvr, ifidx)); - return -EOPNOTSUPP; + if (exp_idx == ((cur_idx + 1) % (rfi->max_idx + 1))) { + __skb_queue_tail(&reorder_list, pkt); + } else { + rfi->pktslots[cur_idx] = pkt; + rfi->pend_pkts++; + } + rfi->exp_idx = exp_idx; + rfi->cur_idx = cur_idx; } + } else { + /* explicity window move updating the expected index */ + exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; + + brcmf_dbg(DATA, "flow-%d (0x%x): change expected: %d -> %d\n", + flow_id, flags, rfi->exp_idx, exp_idx); + if (flags & BRCMF_RXREORDER_FLUSH_ALL) + end_idx = rfi->exp_idx; + else + end_idx = exp_idx; - brcmf_dbg(INFO, "%s: could not get toe_ol: ret=%d\n", - brcmf_ifname(drvr, ifidx), ret); - return ret; + brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx, + &reorder_list); + __skb_queue_tail(&reorder_list, pkt); + /* set the new expected idx */ + rfi->exp_idx = exp_idx; + } +netif_rx: + skb_queue_walk_safe(&reorder_list, pkt, pnext) { + __skb_unlink(pkt, &reorder_list); + brcmf_netif_rx(ifp, pkt); } - - memcpy(&toe_le, buf, sizeof(u32)); - *toe_ol = le32_to_cpu(toe_le); - return 0; } -/* Set current toe component enables in toe_ol iovar, - and set toe global enable iovar */ -static int brcmf_toe_set(struct brcmf_pub *drvr, int ifidx, u32 toe_ol) +void brcmf_rx_frame(struct device *dev, struct sk_buff *skb) { - struct brcmf_dcmd dcmd; - char buf[32]; + struct brcmf_if *ifp; + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_pub *drvr = bus_if->drvr; + struct brcmf_skb_reorder_data *rd; + u8 ifidx; int ret; - __le32 toe_le = cpu_to_le32(toe_ol); - - memset(&dcmd, 0, sizeof(dcmd)); - - dcmd.cmd = BRCMF_C_SET_VAR; - dcmd.buf = buf; - dcmd.len = (uint) sizeof(buf); - dcmd.set = true; - /* Set toe_ol as requested */ - strcpy(buf, "toe_ol"); - memcpy(&buf[sizeof("toe_ol")], &toe_le, sizeof(u32)); + brcmf_dbg(DATA, "Enter: %s: rxp=%p\n", dev_name(dev), skb); - ret = brcmf_proto_dcmd(drvr, ifidx, &dcmd, dcmd.len); - if (ret < 0) { - brcmf_dbg(ERROR, "%s: could not set toe_ol: ret=%d\n", - brcmf_ifname(drvr, ifidx), ret); - return ret; - } - - /* Enable toe globally only if any components are enabled. */ - toe_le = cpu_to_le32(toe_ol != 0); - - strcpy(buf, "toe"); - memcpy(&buf[sizeof("toe")], &toe_le, sizeof(u32)); + /* process and remove protocol-specific header */ + ret = brcmf_proto_hdrpull(drvr, true, &ifidx, skb); + ifp = drvr->iflist[ifidx]; - ret = brcmf_proto_dcmd(drvr, ifidx, &dcmd, dcmd.len); - if (ret < 0) { - brcmf_dbg(ERROR, "%s: could not set toe: ret=%d\n", - brcmf_ifname(drvr, ifidx), ret); - return ret; + if (ret || !ifp || !ifp->ndev) { + if ((ret != -ENODATA) && ifp) + ifp->stats.rx_errors++; + brcmu_pkt_buf_free_skb(skb); + return; } - return 0; + rd = (struct brcmf_skb_reorder_data *)skb->cb; + if (rd->reorder) + brcmf_rxreorder_process_info(ifp, rd->reorder, skb); + else + brcmf_netif_rx(ifp, skb); } -static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, - struct ethtool_drvinfo *info) +void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx, + bool success) { - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - - sprintf(info->driver, KBUILD_MODNAME); - sprintf(info->version, "%lu", drvr->drv_version); - sprintf(info->bus_info, "%s", dev_name(drvr->dev)); -} - -static const struct ethtool_ops brcmf_ethtool_ops = { - .get_drvinfo = brcmf_ethtool_get_drvinfo, -}; + struct brcmf_if *ifp; + struct ethhdr *eh; + u16 type; -static int brcmf_ethtool(struct brcmf_pub *drvr, void __user *uaddr) -{ - struct ethtool_drvinfo info; - char drvname[sizeof(info.driver)]; - u32 cmd; - struct ethtool_value edata; - u32 toe_cmpnt, csum_dir; - int ret; + ifp = drvr->iflist[ifidx]; + if (!ifp) + goto done; - brcmf_dbg(TRACE, "Enter\n"); + eh = (struct ethhdr *)(txp->data); + type = ntohs(eh->h_proto); - /* all ethtool calls start with a cmd word */ - if (copy_from_user(&cmd, uaddr, sizeof(u32))) - return -EFAULT; - - switch (cmd) { - case ETHTOOL_GDRVINFO: - /* Copy out any request driver name */ - if (copy_from_user(&info, uaddr, sizeof(info))) - return -EFAULT; - strncpy(drvname, info.driver, sizeof(info.driver)); - drvname[sizeof(info.driver) - 1] = '\0'; - - /* clear struct for return */ - memset(&info, 0, sizeof(info)); - info.cmd = cmd; - - /* if requested, identify ourselves */ - if (strcmp(drvname, "?dhd") == 0) { - sprintf(info.driver, "dhd"); - strcpy(info.version, BRCMF_VERSION_STR); - } + if (type == ETH_P_PAE) { + atomic_dec(&ifp->pend_8021x_cnt); + if (waitqueue_active(&ifp->pend_8021x_wait)) + wake_up(&ifp->pend_8021x_wait); + } - /* otherwise, require dongle to be up */ - else if (!drvr->bus_if->drvr_up) { - brcmf_dbg(ERROR, "dongle is not up\n"); - return -ENODEV; - } + if (!success) + ifp->stats.tx_errors++; +done: + brcmu_pkt_buf_free_skb(txp); +} - /* finally, report dongle driver type */ - else if (drvr->iswl) - sprintf(info.driver, "wl"); - else - sprintf(info.driver, "xx"); - - sprintf(info.version, "%lu", drvr->drv_version); - if (copy_to_user(uaddr, &info, sizeof(info))) - return -EFAULT; - brcmf_dbg(CTL, "given %*s, returning %s\n", - (int)sizeof(drvname), drvname, info.driver); - break; - - /* Get toe offload components from dongle */ - case ETHTOOL_GRXCSUM: - case ETHTOOL_GTXCSUM: - ret = brcmf_toe_get(drvr, 0, &toe_cmpnt); - if (ret < 0) - return ret; - - csum_dir = - (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; - - edata.cmd = cmd; - edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; - - if (copy_to_user(uaddr, &edata, sizeof(edata))) - return -EFAULT; - break; - - /* Set toe offload components in dongle */ - case ETHTOOL_SRXCSUM: - case ETHTOOL_STXCSUM: - if (copy_from_user(&edata, uaddr, sizeof(edata))) - return -EFAULT; - - /* Read the current settings, update and write back */ - ret = brcmf_toe_get(drvr, 0, &toe_cmpnt); - if (ret < 0) - return ret; - - csum_dir = - (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; - - if (edata.data != 0) - toe_cmpnt |= csum_dir; +void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_pub *drvr = bus_if->drvr; + u8 ifidx; + + /* await txstatus signal for firmware if active */ + if (brcmf_fws_fc_active(drvr->fws)) { + if (!success) + brcmf_fws_bustxfail(drvr->fws, txp); + } else { + if (brcmf_proto_hdrpull(drvr, false, &ifidx, txp)) + brcmu_pkt_buf_free_skb(txp); else - toe_cmpnt &= ~csum_dir; - - ret = brcmf_toe_set(drvr, 0, toe_cmpnt); - if (ret < 0) - return ret; - - /* If setting TX checksum mode, tell Linux the new mode */ - if (cmd == ETHTOOL_STXCSUM) { - if (edata.data) - drvr->iflist[0]->ndev->features |= - NETIF_F_IP_CSUM; - else - drvr->iflist[0]->ndev->features &= - ~NETIF_F_IP_CSUM; - } - - break; - - default: - return -EOPNOTSUPP; + brcmf_txfinalize(drvr, txp, ifidx, success); } - - return 0; } -static int brcmf_netdev_ioctl_entry(struct net_device *ndev, struct ifreq *ifr, - int cmd) +static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev) { struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - - brcmf_dbg(TRACE, "ifidx %d, cmd 0x%04x\n", ifp->idx, cmd); - if (!drvr->iflist[ifp->idx]) - return -1; + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - if (cmd == SIOCETHTOOL) - return brcmf_ethtool(drvr, ifr->ifr_data); - - return -EOPNOTSUPP; + return &ifp->stats; } -/* called only from within this driver. Sends a command to the dongle. */ -s32 brcmf_exec_dcmd(struct net_device *ndev, u32 cmd, void *arg, u32 len) +static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, + struct ethtool_drvinfo *info) { - struct brcmf_dcmd dcmd; - s32 err = 0; - int buflen = 0; - bool is_set_key_cmd; struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_pub *drvr = ifp->drvr; - memset(&dcmd, 0, sizeof(dcmd)); - dcmd.cmd = cmd; - dcmd.buf = arg; - dcmd.len = len; - - if (dcmd.buf != NULL) - buflen = min_t(uint, dcmd.len, BRCMF_DCMD_MAXLEN); - - /* send to dongle (must be up, and wl) */ - if ((drvr->bus_if->state != BRCMF_BUS_DATA)) { - brcmf_dbg(ERROR, "DONGLE_DOWN\n"); - err = -EIO; - goto done; - } - - if (!drvr->iswl) { - err = -EIO; - goto done; - } - - /* - * Intercept BRCMF_C_SET_KEY CMD - serialize M4 send and - * set key CMD to prevent M4 encryption. - */ - is_set_key_cmd = ((dcmd.cmd == BRCMF_C_SET_KEY) || - ((dcmd.cmd == BRCMF_C_SET_VAR) && - !(strncmp("wsec_key", dcmd.buf, 9))) || - ((dcmd.cmd == BRCMF_C_SET_VAR) && - !(strncmp("bsscfg:wsec_key", dcmd.buf, 15)))); - if (is_set_key_cmd) - brcmf_netdev_wait_pend8021x(ndev); - - err = brcmf_proto_dcmd(drvr, ifp->idx, &dcmd, buflen); - -done: - if (err > 0) - err = 0; - - return err; + strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); + snprintf(info->version, sizeof(info->version), "n/a"); + strlcpy(info->fw_version, drvr->fwver, sizeof(info->fw_version)); + strlcpy(info->bus_info, dev_name(drvr->bus_if->dev), + sizeof(info->bus_info)); } -int brcmf_netlink_dcmd(struct net_device *ndev, struct brcmf_dcmd *dcmd) -{ - brcmf_dbg(TRACE, "enter: cmd %x buf %p len %d\n", - dcmd->cmd, dcmd->buf, dcmd->len); - - return brcmf_exec_dcmd(ndev, dcmd->cmd, dcmd->buf, dcmd->len); -} +static const struct ethtool_ops brcmf_ethtool_ops = { + .get_drvinfo = brcmf_ethtool_get_drvinfo, +}; static int brcmf_netdev_stop(struct net_device *ndev) { struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - brcmf_dbg(TRACE, "Enter\n"); - brcmf_cfg80211_down(drvr->config); - if (drvr->bus_if->drvr_up == 0) - return 0; + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); + + brcmf_cfg80211_down(ndev); /* Set state and stop OS transmissions */ - drvr->bus_if->drvr_up = false; netif_stop_queue(ndev); return 0; @@ -801,101 +631,133 @@ static int brcmf_netdev_open(struct net_device *ndev) struct brcmf_pub *drvr = ifp->drvr; struct brcmf_bus *bus_if = drvr->bus_if; u32 toe_ol; - s32 ret = 0; - uint up = 0; - brcmf_dbg(TRACE, "ifidx %d\n", ifp->idx); + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - if (ifp->idx == 0) { /* do it only for primary eth0 */ - /* If bus is not ready, can't continue */ - if (bus_if->state != BRCMF_BUS_DATA) { - brcmf_dbg(ERROR, "failed bus is not ready\n"); - return -EAGAIN; - } + /* If bus is not ready, can't continue */ + if (bus_if->state != BRCMF_BUS_DATA) { + brcmf_err("failed bus is not ready\n"); + return -EAGAIN; + } - atomic_set(&drvr->pend_8021x_cnt, 0); + atomic_set(&ifp->pend_8021x_cnt, 0); - memcpy(ndev->dev_addr, drvr->mac, ETH_ALEN); + /* Get current TOE mode from dongle */ + if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0 + && (toe_ol & TOE_TX_CSUM_OL) != 0) + ndev->features |= NETIF_F_IP_CSUM; + else + ndev->features &= ~NETIF_F_IP_CSUM; - /* Get current TOE mode from dongle */ - if (brcmf_toe_get(drvr, ifp->idx, &toe_ol) >= 0 - && (toe_ol & TOE_TX_CSUM_OL) != 0) - drvr->iflist[ifp->idx]->ndev->features |= - NETIF_F_IP_CSUM; - else - drvr->iflist[ifp->idx]->ndev->features &= - ~NETIF_F_IP_CSUM; + if (brcmf_cfg80211_up(ndev)) { + brcmf_err("failed to bring up cfg80211\n"); + return -EIO; } - /* make sure RF is ready for work */ - brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_UP, (char *)&up, sizeof(up)); - /* Allow transmit calls */ netif_start_queue(ndev); - drvr->bus_if->drvr_up = true; - if (brcmf_cfg80211_up(drvr->config)) { - brcmf_dbg(ERROR, "failed to bring up cfg80211\n"); - return -1; - } - - return ret; + return 0; } static const struct net_device_ops brcmf_netdev_ops_pri = { .ndo_open = brcmf_netdev_open, .ndo_stop = brcmf_netdev_stop, .ndo_get_stats = brcmf_netdev_get_stats, - .ndo_do_ioctl = brcmf_netdev_ioctl_entry, .ndo_start_xmit = brcmf_netdev_start_xmit, .ndo_set_mac_address = brcmf_netdev_set_mac_address, .ndo_set_rx_mode = brcmf_netdev_set_multicast_list }; -static int brcmf_net_attach(struct brcmf_if *ifp) +int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked) { struct brcmf_pub *drvr = ifp->drvr; struct net_device *ndev; - u8 temp_addr[ETH_ALEN]; + s32 err; - brcmf_dbg(TRACE, "ifidx %d\n", ifp->idx); + brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, + ifp->mac_addr); + ndev = ifp->ndev; - ndev = drvr->iflist[ifp->idx]->ndev; + /* set appropriate operations */ ndev->netdev_ops = &brcmf_netdev_ops_pri; - /* - * determine mac address to use - */ - if (is_valid_ether_addr(ifp->mac_addr)) - memcpy(temp_addr, ifp->mac_addr, ETH_ALEN); - else - memcpy(temp_addr, drvr->mac, ETH_ALEN); - - if (ifp->idx == 1) { - brcmf_dbg(TRACE, "ACCESS POINT MAC:\n"); - /* ACCESSPOINT INTERFACE CASE */ - temp_addr[0] |= 0X02; /* set bit 2 , - - Locally Administered address */ - - } - ndev->hard_header_len = ETH_HLEN + drvr->hdrlen; + ndev->hard_header_len += drvr->hdrlen; ndev->ethtool_ops = &brcmf_ethtool_ops; drvr->rxsz = ndev->mtu + ndev->hard_header_len + drvr->hdrlen; - memcpy(ndev->dev_addr, temp_addr, ETH_ALEN); + /* set the mac address */ + memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); - /* attach to cfg80211 for primary interface */ - if (!ifp->idx) { - drvr->config = brcmf_cfg80211_attach(ndev, drvr->dev, drvr); - if (drvr->config == NULL) { - brcmf_dbg(ERROR, "wl_cfg80211_attach failed\n"); - goto fail; - } + INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address); + INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); + + if (rtnl_locked) + err = register_netdevice(ndev); + else + err = register_netdev(ndev); + if (err != 0) { + brcmf_err("couldn't register the net device\n"); + goto fail; } + brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); + + ndev->destructor = brcmf_cfg80211_free_netdev; + return 0; + +fail: + drvr->iflist[ifp->bssidx] = NULL; + ndev->netdev_ops = NULL; + free_netdev(ndev); + return -EBADE; +} + +static int brcmf_net_p2p_open(struct net_device *ndev) +{ + brcmf_dbg(TRACE, "Enter\n"); + + return brcmf_cfg80211_up(ndev); +} + +static int brcmf_net_p2p_stop(struct net_device *ndev) +{ + brcmf_dbg(TRACE, "Enter\n"); + + return brcmf_cfg80211_down(ndev); +} + +static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb, + struct net_device *ndev) +{ + if (skb) + dev_kfree_skb_any(skb); + + return NETDEV_TX_OK; +} + +static const struct net_device_ops brcmf_netdev_ops_p2p = { + .ndo_open = brcmf_net_p2p_open, + .ndo_stop = brcmf_net_p2p_stop, + .ndo_start_xmit = brcmf_net_p2p_start_xmit +}; + +static int brcmf_net_p2p_attach(struct brcmf_if *ifp) +{ + struct net_device *ndev; + + brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, + ifp->mac_addr); + ndev = ifp->ndev; + + ndev->netdev_ops = &brcmf_netdev_ops_p2p; + + /* set the mac address */ + memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); + if (register_netdev(ndev) != 0) { - brcmf_dbg(ERROR, "couldn't register the net device\n"); + brcmf_err("couldn't register the p2p net device\n"); goto fail; } @@ -904,75 +766,86 @@ static int brcmf_net_attach(struct brcmf_if *ifp) return 0; fail: + ifp->drvr->iflist[ifp->bssidx] = NULL; ndev->netdev_ops = NULL; + free_netdev(ndev); return -EBADE; } -int -brcmf_add_if(struct device *dev, int ifidx, char *name, u8 *mac_addr) +struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, + char *name, u8 *mac_addr) { struct brcmf_if *ifp; struct net_device *ndev; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - brcmf_dbg(TRACE, "idx %d\n", ifidx); + brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifidx); - ifp = drvr->iflist[ifidx]; + ifp = drvr->iflist[bssidx]; /* * Delete the existing interface before overwriting it * in case we missed the BRCMF_E_IF_DEL event. */ if (ifp) { - brcmf_dbg(ERROR, "ERROR: netdev:%s already exists, try free & unregister\n", + brcmf_err("ERROR: netdev:%s already exists\n", ifp->ndev->name); - netif_stop_queue(ifp->ndev); - unregister_netdev(ifp->ndev); - free_netdev(ifp->ndev); - drvr->iflist[ifidx] = NULL; + if (ifidx) { + netif_stop_queue(ifp->ndev); + unregister_netdev(ifp->ndev); + free_netdev(ifp->ndev); + drvr->iflist[bssidx] = NULL; + } else { + brcmf_err("ignore IF event\n"); + return ERR_PTR(-EINVAL); + } } - /* Allocate netdev, including space for private structure */ - ndev = alloc_netdev(sizeof(struct brcmf_if), name, ether_setup); - if (!ndev) { - brcmf_dbg(ERROR, "OOM - alloc_netdev\n"); - return -ENOMEM; + if (!brcmf_p2p_enable && bssidx == 1) { + /* this is P2P_DEVICE interface */ + brcmf_dbg(INFO, "allocate non-netdev interface\n"); + ifp = kzalloc(sizeof(*ifp), GFP_KERNEL); + if (!ifp) + return ERR_PTR(-ENOMEM); + } else { + brcmf_dbg(INFO, "allocate netdev interface\n"); + /* Allocate netdev, including space for private structure */ + ndev = alloc_netdev(sizeof(*ifp), name, ether_setup); + if (!ndev) + return ERR_PTR(-ENOMEM); + + ifp = netdev_priv(ndev); + ifp->ndev = ndev; } - ifp = netdev_priv(ndev); - ifp->ndev = ndev; ifp->drvr = drvr; - drvr->iflist[ifidx] = ifp; - ifp->idx = ifidx; - if (mac_addr != NULL) - memcpy(&ifp->mac_addr, mac_addr, ETH_ALEN); + drvr->iflist[bssidx] = ifp; + ifp->ifidx = ifidx; + ifp->bssidx = bssidx; - if (brcmf_net_attach(ifp)) { - brcmf_dbg(ERROR, "brcmf_net_attach failed"); - free_netdev(ifp->ndev); - drvr->iflist[ifidx] = NULL; - return -EOPNOTSUPP; - } + init_waitqueue_head(&ifp->pend_8021x_wait); + spin_lock_init(&ifp->netif_stop_lock); + + if (mac_addr != NULL) + memcpy(ifp->mac_addr, mac_addr, ETH_ALEN); - brcmf_dbg(TRACE, " ==== pid:%x, net_device for if:%s created ===\n", - current->pid, ifp->ndev->name); + brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n", + current->pid, name, ifp->mac_addr); - return 0; + return ifp; } -void brcmf_del_if(struct brcmf_pub *drvr, int ifidx) +void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx) { struct brcmf_if *ifp; - brcmf_dbg(TRACE, "idx %d\n", ifidx); - - ifp = drvr->iflist[ifidx]; + ifp = drvr->iflist[bssidx]; + drvr->iflist[bssidx] = NULL; if (!ifp) { - brcmf_dbg(ERROR, "Null interface\n"); + brcmf_err("Null interface, idx=%d\n", bssidx); return; } + brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifp->ifidx); if (ifp->ndev) { - if (ifidx == 0) { + if (bssidx == 0) { if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { rtnl_lock(); brcmf_netdev_stop(ifp->ndev); @@ -982,15 +855,18 @@ void brcmf_del_if(struct brcmf_pub *drvr, int ifidx) netif_stop_queue(ifp->ndev); } + if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { + cancel_work_sync(&ifp->setmacaddr_work); + cancel_work_sync(&ifp->multicast_work); + } + /* unregister will take care of freeing it */ unregister_netdev(ifp->ndev); - drvr->iflist[ifidx] = NULL; - if (ifidx == 0) - brcmf_cfg80211_detach(drvr->config); - free_netdev(ifp->ndev); + } else { + kfree(ifp); } } -int brcmf_attach(uint bus_hdrlen, struct device *dev) +int brcmf_attach(struct device *dev) { struct brcmf_pub *drvr = NULL; int ret = 0; @@ -1005,10 +881,9 @@ int brcmf_attach(uint bus_hdrlen, struct device *dev) mutex_init(&drvr->proto_block); /* Link to bus module */ - drvr->hdrlen = bus_hdrlen; + drvr->hdrlen = 0; drvr->bus_if = dev_get_drvdata(dev); drvr->bus_if->drvr = drvr; - drvr->dev = dev; /* create device debugfs folder */ brcmf_debugfs_attach(drvr); @@ -1016,14 +891,12 @@ int brcmf_attach(uint bus_hdrlen, struct device *dev) /* Attach and link in the protocol */ ret = brcmf_proto_attach(drvr); if (ret != 0) { - brcmf_dbg(ERROR, "brcmf_prot_attach failed\n"); + brcmf_err("brcmf_prot_attach failed\n"); goto fail; } - INIT_WORK(&drvr->setmacaddr_work, _brcmf_set_mac_address); - INIT_WORK(&drvr->multicast_work, _brcmf_set_multicast_list); - - INIT_LIST_HEAD(&drvr->bus_if->dcmd_list); + /* attach firmware event handler */ + brcmf_fweh_attach(drvr); return ret; @@ -1036,184 +909,197 @@ fail: int brcmf_bus_start(struct device *dev) { int ret = -1; - /* Room for "event_msgs" + '\0' + bitvec */ - char iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_pub *drvr = bus_if->drvr; + struct brcmf_if *ifp; + struct brcmf_if *p2p_ifp; brcmf_dbg(TRACE, "\n"); - /* Bring up the bus */ - ret = bus_if->brcmf_bus_init(dev); - if (ret != 0) { - brcmf_dbg(ERROR, "brcmf_sdbrcm_bus_init failed %d\n", ret); - return ret; - } + /* add primary networking interface */ + ifp = brcmf_add_if(drvr, 0, 0, "wlan%d", NULL); + if (IS_ERR(ifp)) + return PTR_ERR(ifp); + + if (brcmf_p2p_enable) + p2p_ifp = brcmf_add_if(drvr, 1, 0, "p2p%d", NULL); + else + p2p_ifp = NULL; + if (IS_ERR(p2p_ifp)) + p2p_ifp = NULL; + + /* signal bus ready */ + brcmf_bus_change_state(bus_if, BRCMF_BUS_DATA); - brcmf_c_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN, - iovbuf, sizeof(iovbuf)); - brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR, iovbuf, - sizeof(iovbuf)); - memcpy(drvr->eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN); - - setbit(drvr->eventmask, BRCMF_E_SET_SSID); - setbit(drvr->eventmask, BRCMF_E_PRUNE); - setbit(drvr->eventmask, BRCMF_E_AUTH); - setbit(drvr->eventmask, BRCMF_E_REASSOC); - setbit(drvr->eventmask, BRCMF_E_REASSOC_IND); - setbit(drvr->eventmask, BRCMF_E_DEAUTH_IND); - setbit(drvr->eventmask, BRCMF_E_DISASSOC_IND); - setbit(drvr->eventmask, BRCMF_E_DISASSOC); - setbit(drvr->eventmask, BRCMF_E_JOIN); - setbit(drvr->eventmask, BRCMF_E_ASSOC_IND); - setbit(drvr->eventmask, BRCMF_E_PSK_SUP); - setbit(drvr->eventmask, BRCMF_E_LINK); - setbit(drvr->eventmask, BRCMF_E_NDIS_LINK); - setbit(drvr->eventmask, BRCMF_E_MIC_ERROR); - setbit(drvr->eventmask, BRCMF_E_PMKID_CACHE); - setbit(drvr->eventmask, BRCMF_E_TXFAIL); - setbit(drvr->eventmask, BRCMF_E_JOIN_START); - setbit(drvr->eventmask, BRCMF_E_SCAN_COMPLETE); - -/* enable dongle roaming event */ - - drvr->pktfilter_count = 1; - /* Setup filter to allow only unicast */ - drvr->pktfilter[0] = "100 0 0 0 0x01 0x00"; - - /* Bus is ready, do any protocol initialization */ - ret = brcmf_proto_init(drvr); + /* Bus is ready, do any initialization */ + ret = brcmf_c_preinit_dcmds(ifp); if (ret < 0) - return ret; + goto fail; - /* add primary networking interface */ - ret = brcmf_add_if(dev, 0, "wlan%d", drvr->mac); + ret = brcmf_fws_init(drvr); + if (ret < 0) + goto fail; + + brcmf_fws_add_interface(ifp); + + drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev); + if (drvr->config == NULL) { + ret = -ENOMEM; + goto fail; + } + + ret = brcmf_fweh_activate_events(ifp); if (ret < 0) + goto fail; + + ret = brcmf_net_attach(ifp, false); +fail: + if (ret < 0) { + brcmf_err("failed: %d\n", ret); + brcmf_cfg80211_detach(drvr->config); + if (drvr->fws) { + brcmf_fws_del_interface(ifp); + brcmf_fws_deinit(drvr); + } + if (drvr->iflist[0]) { + free_netdev(ifp->ndev); + drvr->iflist[0] = NULL; + } + if (p2p_ifp) { + free_netdev(p2p_ifp->ndev); + drvr->iflist[1] = NULL; + } return ret; + } + if ((brcmf_p2p_enable) && (p2p_ifp)) + if (brcmf_net_p2p_attach(p2p_ifp) < 0) + brcmf_p2p_enable = 0; - /* signal bus ready */ - bus_if->state = BRCMF_BUS_DATA; return 0; } +void brcmf_bus_add_txhdrlen(struct device *dev, uint len) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_pub *drvr = bus_if->drvr; + + if (drvr) { + drvr->hdrlen += len; + } +} + static void brcmf_bus_detach(struct brcmf_pub *drvr) { brcmf_dbg(TRACE, "Enter\n"); if (drvr) { - /* Stop the protocol module */ - brcmf_proto_stop(drvr); - /* Stop the bus module */ - drvr->bus_if->brcmf_bus_stop(drvr->dev); + brcmf_bus_stop(drvr->bus_if); } } +void brcmf_dev_reset(struct device *dev) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_pub *drvr = bus_if->drvr; + + if (drvr == NULL) + return; + + if (drvr->iflist[0]) + brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1); +} + void brcmf_detach(struct device *dev) { - int i; + s32 i; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_pub *drvr = bus_if->drvr; brcmf_dbg(TRACE, "Enter\n"); + if (drvr == NULL) + return; + + /* stop firmware event handling */ + brcmf_fweh_detach(drvr); + + brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN); /* make sure primary interface removed last */ for (i = BRCMF_MAX_IFS-1; i > -1; i--) - if (drvr->iflist[i]) + if (drvr->iflist[i]) { + brcmf_fws_del_interface(drvr->iflist[i]); brcmf_del_if(drvr, i); + } + + brcmf_cfg80211_detach(drvr->config); + + brcmf_fws_deinit(drvr); brcmf_bus_detach(drvr); - if (drvr->prot) { - cancel_work_sync(&drvr->setmacaddr_work); - cancel_work_sync(&drvr->multicast_work); - brcmf_proto_detach(drvr); - } + brcmf_proto_detach(drvr); brcmf_debugfs_detach(drvr); bus_if->drvr = NULL; kfree(drvr); } -static int brcmf_get_pend_8021x_cnt(struct brcmf_pub *drvr) +s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len) { - return atomic_read(&drvr->pend_8021x_cnt); -} + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_if *ifp = bus_if->drvr->iflist[0]; -#define MAX_WAIT_FOR_8021X_TX 10 + return brcmf_fil_iovar_data_set(ifp, name, data, len); +} -int brcmf_netdev_wait_pend8021x(struct net_device *ndev) +static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp) { - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - int timeout = 10 * HZ / 1000; - int ntimes = MAX_WAIT_FOR_8021X_TX; - int pend = brcmf_get_pend_8021x_cnt(drvr); - - while (ntimes && pend) { - if (pend) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(timeout); - set_current_state(TASK_RUNNING); - ntimes--; - } - pend = brcmf_get_pend_8021x_cnt(drvr); - } - return pend; + return atomic_read(&ifp->pend_8021x_cnt); } -#ifdef DEBUG -int brcmf_write_to_file(struct brcmf_pub *drvr, const u8 *buf, int size) +int brcmf_netdev_wait_pend8021x(struct net_device *ndev) { - int ret = 0; - struct file *fp; - mm_segment_t old_fs; - loff_t pos = 0; - - /* change to KERNEL_DS address limit */ - old_fs = get_fs(); - set_fs(KERNEL_DS); - - /* open file to write */ - fp = filp_open("/tmp/mem_dump", O_WRONLY | O_CREAT, 0640); - if (!fp) { - brcmf_dbg(ERROR, "open file error\n"); - ret = -1; - goto exit; - } + struct brcmf_if *ifp = netdev_priv(ndev); + int err; - /* Write buf to file */ - fp->f_op->write(fp, (char __user *)buf, size, &pos); + err = wait_event_timeout(ifp->pend_8021x_wait, + !brcmf_get_pend_8021x_cnt(ifp), + msecs_to_jiffies(MAX_WAIT_FOR_8021X_TX)); -exit: - /* free buf before return */ - kfree(buf); - /* close file before return */ - if (fp) - filp_close(fp, NULL); - /* restore previous address limit */ - set_fs(old_fs); + WARN_ON(!err); - return ret; + return !err; } -#endif /* DEBUG */ -static void brcmf_driver_init(struct work_struct *work) +/* + * return chip id and rev of the device encoded in u32. + */ +u32 brcmf_get_chip_info(struct brcmf_if *ifp) { - brcmf_debugfs_init(); + struct brcmf_bus *bus = ifp->drvr->bus_if; + return bus->chip << 4 | bus->chiprev; +} + +static void brcmf_driver_register(struct work_struct *work) +{ #ifdef CONFIG_BRCMFMAC_SDIO - brcmf_sdio_init(); + brcmf_sdio_register(); #endif #ifdef CONFIG_BRCMFMAC_USB - brcmf_usb_init(); + brcmf_usb_register(); #endif } -static DECLARE_WORK(brcmf_driver_work, brcmf_driver_init); +static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register); static int __init brcmfmac_module_init(void) { + brcmf_debugfs_init(); +#ifdef CONFIG_BRCMFMAC_SDIO + brcmf_sdio_init(); +#endif if (!schedule_work(&brcmf_driver_work)) return -EBUSY; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_proto.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_proto.h deleted file mode 100644 index 6bc4425a8b0..00000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_proto.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef _BRCMF_PROTO_H_ -#define _BRCMF_PROTO_H_ - -/* - * Exported from the brcmf protocol module (brcmf_cdc) - */ - -/* Linkage, sets prot link and updates hdrlen in pub */ -extern int brcmf_proto_attach(struct brcmf_pub *drvr); - -/* Unlink, frees allocated protocol memory (including brcmf_proto) */ -extern void brcmf_proto_detach(struct brcmf_pub *drvr); - -/* Initialize protocol: sync w/dongle state. - * Sets dongle media info (iswl, drv_version, mac address). - */ -extern int brcmf_proto_init(struct brcmf_pub *drvr); - -/* Stop protocol: sync w/dongle state. */ -extern void brcmf_proto_stop(struct brcmf_pub *drvr); - -/* Add any protocol-specific data header. - * Caller must reserve prot_hdrlen prepend space. - */ -extern void brcmf_proto_hdrpush(struct brcmf_pub *, int ifidx, - struct sk_buff *txp); - -/* Use protocol to issue command to dongle */ -extern int brcmf_proto_dcmd(struct brcmf_pub *drvr, int ifidx, - struct brcmf_dcmd *dcmd, int len); - -extern int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr); - -extern int brcmf_proto_cdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, - uint cmd, void *buf, uint len); - -#endif /* _BRCMF_PROTO_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 3564686add9..8fa0dbbbda7 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -14,8 +14,6 @@ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/types.h> #include <linux/kernel.h> #include <linux/kthread.h> @@ -25,6 +23,7 @@ #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/mmc/sdio.h> +#include <linux/mmc/sdio_ids.h> #include <linux/mmc/sdio_func.h> #include <linux/mmc/card.h> #include <linux/semaphore.h> @@ -33,6 +32,8 @@ #include <linux/bcma/bcma.h> #include <linux/debugfs.h> #include <linux/vmalloc.h> +#include <linux/platform_data/brcmfmac-sdio.h> +#include <linux/moduleparam.h> #include <asm/unaligned.h> #include <defs.h> #include <brcmu_wifi.h> @@ -40,7 +41,8 @@ #include <brcm_hw_ids.h> #include <soc.h> #include "sdio_host.h" -#include "sdio_chip.h" +#include "chip.h" +#include "firmware.h" #define DCMD_RESP_TIMEOUT 2000 /* In milli second */ @@ -96,6 +98,7 @@ struct rte_console { #include "dhd_bus.h" #include "dhd_dbg.h" +#include "tracepoint.h" #define TXQLEN 2048 /* bulk tx queue length */ #define TXHI (TXQLEN - 256) /* turn on flow control above TXHI */ @@ -152,6 +155,34 @@ struct rte_console { /* manfid tuple length, include tuple, link bytes */ #define SBSDIO_CIS_MANFID_TUPLE_LEN 6 +#define CORE_BUS_REG(base, field) \ + (base + offsetof(struct sdpcmd_regs, field)) + +/* SDIO function 1 register CHIPCLKCSR */ +/* Force ALP request to backplane */ +#define SBSDIO_FORCE_ALP 0x01 +/* Force HT request to backplane */ +#define SBSDIO_FORCE_HT 0x02 +/* Force ILP request to backplane */ +#define SBSDIO_FORCE_ILP 0x04 +/* Make ALP ready (power up xtal) */ +#define SBSDIO_ALP_AVAIL_REQ 0x08 +/* Make HT ready (power up PLL) */ +#define SBSDIO_HT_AVAIL_REQ 0x10 +/* Squelch clock requests from HW */ +#define SBSDIO_FORCE_HW_CLKREQ_OFF 0x20 +/* Status: ALP is ready */ +#define SBSDIO_ALP_AVAIL 0x40 +/* Status: HT is ready */ +#define SBSDIO_HT_AVAIL 0x80 +#define SBSDIO_CSR_MASK 0x1F +#define SBSDIO_AVBITS (SBSDIO_HT_AVAIL | SBSDIO_ALP_AVAIL) +#define SBSDIO_ALPAV(regval) ((regval) & SBSDIO_AVBITS) +#define SBSDIO_HTAV(regval) (((regval) & SBSDIO_AVBITS) == SBSDIO_AVBITS) +#define SBSDIO_ALPONLY(regval) (SBSDIO_ALPAV(regval) && !SBSDIO_HTAV(regval)) +#define SBSDIO_CLKAV(regval, alponly) \ + (SBSDIO_ALPAV(regval) && (alponly ? 1 : SBSDIO_HTAV(regval))) + /* intstatus */ #define I_SMB_SW0 (1 << 0) /* To SB Mail S/W interrupt 0 */ #define I_SMB_SW1 (1 << 1) /* To SB Mail S/W interrupt 1 */ @@ -201,13 +232,6 @@ struct rte_console { #define SFC_CRC4WOOS (1 << 2) /* CRC error for write out of sync */ #define SFC_ABORTALL (1 << 3) /* Abort all in-progress frames */ -/* HW frame tag */ -#define SDPCM_FRAMETAG_LEN 4 /* 2 bytes len, 2 bytes check val */ - -/* Total length of frame header for dongle protocol */ -#define SDPCM_HDRLEN (SDPCM_FRAMETAG_LEN + SDPCM_SWHEADER_LEN) -#define SDPCM_RESERVE (SDPCM_HDRLEN + BRCMF_SDALIGN) - /* * Software allocation of To SB Mailbox resources */ @@ -250,38 +274,6 @@ struct rte_console { /* Current protocol version */ #define SDPCM_PROT_VERSION 4 -/* SW frame header */ -#define SDPCM_PACKET_SEQUENCE(p) (((u8 *)p)[0] & 0xff) - -#define SDPCM_CHANNEL_MASK 0x00000f00 -#define SDPCM_CHANNEL_SHIFT 8 -#define SDPCM_PACKET_CHANNEL(p) (((u8 *)p)[1] & 0x0f) - -#define SDPCM_NEXTLEN_OFFSET 2 - -/* Data Offset from SOF (HW Tag, SW Tag, Pad) */ -#define SDPCM_DOFFSET_OFFSET 3 /* Data Offset */ -#define SDPCM_DOFFSET_VALUE(p) (((u8 *)p)[SDPCM_DOFFSET_OFFSET] & 0xff) -#define SDPCM_DOFFSET_MASK 0xff000000 -#define SDPCM_DOFFSET_SHIFT 24 -#define SDPCM_FCMASK_OFFSET 4 /* Flow control */ -#define SDPCM_FCMASK_VALUE(p) (((u8 *)p)[SDPCM_FCMASK_OFFSET] & 0xff) -#define SDPCM_WINDOW_OFFSET 5 /* Credit based fc */ -#define SDPCM_WINDOW_VALUE(p) (((u8 *)p)[SDPCM_WINDOW_OFFSET] & 0xff) - -#define SDPCM_SWHEADER_LEN 8 /* SW header is 64 bits */ - -/* logical channel numbers */ -#define SDPCM_CONTROL_CHANNEL 0 /* Control channel Id */ -#define SDPCM_EVENT_CHANNEL 1 /* Asyc Event Indication Channel Id */ -#define SDPCM_DATA_CHANNEL 2 /* Data Xmit/Recv Channel Id */ -#define SDPCM_GLOM_CHANNEL 3 /* For coalesced packets */ -#define SDPCM_TEST_CHANNEL 15 /* Reserved for test/debug packets */ - -#define SDPCM_SEQUENCE_WRAP 256 /* wrap-around val for 8bit frame seq */ - -#define SDPCM_GLOMDESC(p) (((u8 *)p)[1] & 0x80) - /* * Shared structure between dongle and the host. * The structure contains pointers to trap or assert information. @@ -296,9 +288,6 @@ struct rte_console { #define MAX_HDR_READ (1 << 6) #define MAX_RX_DATASZ 2048 -/* Maximum milliseconds to wait for F2 to come up */ -#define BRCMF_WAIT_F2RDY 3000 - /* Bump up limit on waiting for HT to account for first startup; * if the image is doing a CRC calculation before programming the PMU * for HT availability, it could take a couple hundred ms more, so @@ -314,17 +303,14 @@ struct rte_console { /* Flags for SDH calls */ #define F2SYNC (SDIO_REQ_4BYTE | SDIO_REQ_FIXED) -#define BRCMF_SDIO_FW_NAME "brcm/brcmfmac-sdio.bin" -#define BRCMF_SDIO_NV_NAME "brcm/brcmfmac-sdio.txt" -MODULE_FIRMWARE(BRCMF_SDIO_FW_NAME); -MODULE_FIRMWARE(BRCMF_SDIO_NV_NAME); - -#define BRCMF_IDLE_IMMEDIATE (-1) /* Enter idle immediately */ #define BRCMF_IDLE_ACTIVE 0 /* Do not request any SD clock change * when idle */ #define BRCMF_IDLE_INTERVAL 1 +#define KSO_WAIT_US 50 +#define MAX_KSO_ATTEMPTS (PMU_MAX_TRANSITION_DLY/KSO_WAIT_US) + /* * Conversion of 802.1D priority to precedence level */ @@ -334,95 +320,6 @@ static uint prio2prec(u32 prio) (prio^2) : prio; } -/* core registers */ -struct sdpcmd_regs { - u32 corecontrol; /* 0x00, rev8 */ - u32 corestatus; /* rev8 */ - u32 PAD[1]; - u32 biststatus; /* rev8 */ - - /* PCMCIA access */ - u16 pcmciamesportaladdr; /* 0x010, rev8 */ - u16 PAD[1]; - u16 pcmciamesportalmask; /* rev8 */ - u16 PAD[1]; - u16 pcmciawrframebc; /* rev8 */ - u16 PAD[1]; - u16 pcmciaunderflowtimer; /* rev8 */ - u16 PAD[1]; - - /* interrupt */ - u32 intstatus; /* 0x020, rev8 */ - u32 hostintmask; /* rev8 */ - u32 intmask; /* rev8 */ - u32 sbintstatus; /* rev8 */ - u32 sbintmask; /* rev8 */ - u32 funcintmask; /* rev4 */ - u32 PAD[2]; - u32 tosbmailbox; /* 0x040, rev8 */ - u32 tohostmailbox; /* rev8 */ - u32 tosbmailboxdata; /* rev8 */ - u32 tohostmailboxdata; /* rev8 */ - - /* synchronized access to registers in SDIO clock domain */ - u32 sdioaccess; /* 0x050, rev8 */ - u32 PAD[3]; - - /* PCMCIA frame control */ - u8 pcmciaframectrl; /* 0x060, rev8 */ - u8 PAD[3]; - u8 pcmciawatermark; /* rev8 */ - u8 PAD[155]; - - /* interrupt batching control */ - u32 intrcvlazy; /* 0x100, rev8 */ - u32 PAD[3]; - - /* counters */ - u32 cmd52rd; /* 0x110, rev8 */ - u32 cmd52wr; /* rev8 */ - u32 cmd53rd; /* rev8 */ - u32 cmd53wr; /* rev8 */ - u32 abort; /* rev8 */ - u32 datacrcerror; /* rev8 */ - u32 rdoutofsync; /* rev8 */ - u32 wroutofsync; /* rev8 */ - u32 writebusy; /* rev8 */ - u32 readwait; /* rev8 */ - u32 readterm; /* rev8 */ - u32 writeterm; /* rev8 */ - u32 PAD[40]; - u32 clockctlstatus; /* rev8 */ - u32 PAD[7]; - - u32 PAD[128]; /* DMA engines */ - - /* SDIO/PCMCIA CIS region */ - char cis[512]; /* 0x400-0x5ff, rev6 */ - - /* PCMCIA function control registers */ - char pcmciafcr[256]; /* 0x600-6ff, rev6 */ - u16 PAD[55]; - - /* PCMCIA backplane access */ - u16 backplanecsr; /* 0x76E, rev6 */ - u16 backplaneaddr0; /* rev6 */ - u16 backplaneaddr1; /* rev6 */ - u16 backplaneaddr2; /* rev6 */ - u16 backplaneaddr3; /* rev6 */ - u16 backplanedata0; /* rev6 */ - u16 backplanedata1; /* rev6 */ - u16 backplanedata2; /* rev6 */ - u16 backplanedata3; /* rev6 */ - u16 PAD[31]; - - /* sprom "size" & "blank" info */ - u16 spromstatus; /* 0x7BE, rev2 */ - u32 PAD[464]; - - u16 PAD[0x80]; -}; - #ifdef DEBUG /* Device console log buffer state */ struct brcmf_console { @@ -482,23 +379,23 @@ struct sdpcm_shared_le { __le32 brpt_addr; }; -/* SDIO read frame info */ -struct brcmf_sdio_read { +/* dongle SDIO bus specific header info */ +struct brcmf_sdio_hdrinfo { u8 seq_num; u8 channel; u16 len; u16 len_left; u16 len_nxtfrm; u8 dat_offset; + bool lastfrm; + u16 tail_pad; }; /* misc chip info needed by some of the routines */ /* Private data for SDIO bus interaction */ struct brcmf_sdio { struct brcmf_sdio_dev *sdiodev; /* sdio device handler */ - struct chip_info *ci; /* Chip info struct */ - char *vars; /* Variables (from CIS and/or other) */ - uint varsz; /* Size of variables buffer */ + struct brcmf_chip *ci; /* Chip info struct */ u32 ramsize; /* Size of RAM in SOCRAM (bytes) */ @@ -514,10 +411,10 @@ struct brcmf_sdio { u8 tx_seq; /* Transmit sequence number (next) */ u8 tx_max; /* Maximum transmit sequence allowed */ - u8 hdrbuf[MAX_HDR_READ + BRCMF_SDALIGN]; + u8 *hdrbuf; /* buffer for handling rx frame */ u8 *rxhdr; /* Header of current rx frame (in hdrbuf) */ u8 rx_seq; /* Receive sequence number (expected) */ - struct brcmf_sdio_read cur_read; + struct brcmf_sdio_hdrinfo cur_read; /* info of current read frame */ bool rxskip; /* Skip receive (awaiting NAK ACK) */ bool rxpending; /* Data frame pending in dongle */ @@ -533,9 +430,9 @@ struct brcmf_sdio { u8 *rxbuf; /* Buffer for receiving control packets */ uint rxblen; /* Allocated length of rxbuf */ u8 *rxctl; /* Aligned pointer into rxbuf */ - u8 *databuf; /* Buffer for receiving big glom packet */ - u8 *dataptr; /* Aligned pointer into databuf */ + u8 *rxctl_orig; /* pointer for freeing rxctl */ uint rxlen; /* Length of valid data in buffer */ + spinlock_t rxctl_lock; /* protection lock for ctrl frame resources */ u8 sdpcm_ver; /* Bus protocol reported by dongle */ @@ -557,17 +454,16 @@ struct brcmf_sdio { s32 idletime; /* Control for activity timeout */ s32 idlecount; /* Activity timeout counter */ s32 idleclock; /* How to set bus driver when idle */ - s32 sd_rxchain; - bool use_rxchain; /* If brcmf should use PKT chains */ bool rxflow_mode; /* Rx flow control mode */ bool rxflow; /* Is rx flow control on */ bool alp_only; /* Don't use HT clock (ALP only) */ u8 *ctrl_frame_buf; - u32 ctrl_frame_len; + u16 ctrl_frame_len; bool ctrl_frame_stat; - spinlock_t txqlock; + spinlock_t txq_lock; /* protect bus->txq */ + struct semaphore tx_seq_lock; /* protect bus->tx_seq */ wait_queue_head_t ctrl_wait; wait_queue_head_t dcmd_resp_wait; @@ -579,30 +475,30 @@ struct brcmf_sdio { struct workqueue_struct *brcmf_wq; struct work_struct datawork; - struct list_head dpc_tsklst; - spinlock_t dpc_tl_lock; - - struct semaphore sdsem; - - const struct firmware *firmware; - u32 fw_ptr; + atomic_t dpc_tskcnt; bool txoff; /* Transmit flow-controlled */ struct brcmf_sdio_count sdcnt; + bool sr_enabled; /* SaveRestore enabled */ + bool sleeping; /* SDIO bus sleeping */ + + u8 tx_hdrlen; /* sdio bus header length for tx packet */ + bool txglom; /* host tx glomming enable flag */ + u16 head_align; /* buffer pointer alignment */ + u16 sgentry_align; /* scatter-gather buffer alignment */ }; /* clkstate */ #define CLK_NONE 0 #define CLK_SDONLY 1 -#define CLK_PENDING 2 /* Not used yet */ +#define CLK_PENDING 2 #define CLK_AVAIL 3 #ifdef DEBUG static int qcount[NUMPRIO]; -static int tx_packets[NUMPRIO]; #endif /* DEBUG */ -#define SDIO_DRIVE_STRENGTH 6 /* in milliamps */ +#define DEFAULT_SDIO_DRIVE_STRENGTH 6 /* in milliamps */ #define RETRYCHAN(chan) ((chan) == SDPCM_EVENT_CHANNEL) @@ -614,6 +510,152 @@ static const uint max_roundup = 512; #define ALIGNMENT 4 +enum brcmf_sdio_frmtype { + BRCMF_SDIO_FT_NORMAL, + BRCMF_SDIO_FT_SUPER, + BRCMF_SDIO_FT_SUB, +}; + +#define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu)) + +/* SDIO Pad drive strength to select value mappings */ +struct sdiod_drive_str { + u8 strength; /* Pad Drive Strength in mA */ + u8 sel; /* Chip-specific select value */ +}; + +/* SDIO Drive Strength to sel value table for PMU Rev 11 (1.8V) */ +static const struct sdiod_drive_str sdiod_drvstr_tab1_1v8[] = { + {32, 0x6}, + {26, 0x7}, + {22, 0x4}, + {16, 0x5}, + {12, 0x2}, + {8, 0x3}, + {4, 0x0}, + {0, 0x1} +}; + +/* SDIO Drive Strength to sel value table for PMU Rev 13 (1.8v) */ +static const struct sdiod_drive_str sdiod_drive_strength_tab5_1v8[] = { + {6, 0x7}, + {5, 0x6}, + {4, 0x5}, + {3, 0x4}, + {2, 0x2}, + {1, 0x1}, + {0, 0x0} +}; + +/* SDIO Drive Strength to sel value table for PMU Rev 17 (1.8v) */ +static const struct sdiod_drive_str sdiod_drvstr_tab6_1v8[] = { + {3, 0x3}, + {2, 0x2}, + {1, 0x1}, + {0, 0x0} }; + +/* SDIO Drive Strength to sel value table for 43143 PMU Rev 17 (3.3V) */ +static const struct sdiod_drive_str sdiod_drvstr_tab2_3v3[] = { + {16, 0x7}, + {12, 0x5}, + {8, 0x3}, + {4, 0x1} +}; + +#define BCM43143_FIRMWARE_NAME "brcm/brcmfmac43143-sdio.bin" +#define BCM43143_NVRAM_NAME "brcm/brcmfmac43143-sdio.txt" +#define BCM43241B0_FIRMWARE_NAME "brcm/brcmfmac43241b0-sdio.bin" +#define BCM43241B0_NVRAM_NAME "brcm/brcmfmac43241b0-sdio.txt" +#define BCM43241B4_FIRMWARE_NAME "brcm/brcmfmac43241b4-sdio.bin" +#define BCM43241B4_NVRAM_NAME "brcm/brcmfmac43241b4-sdio.txt" +#define BCM4329_FIRMWARE_NAME "brcm/brcmfmac4329-sdio.bin" +#define BCM4329_NVRAM_NAME "brcm/brcmfmac4329-sdio.txt" +#define BCM4330_FIRMWARE_NAME "brcm/brcmfmac4330-sdio.bin" +#define BCM4330_NVRAM_NAME "brcm/brcmfmac4330-sdio.txt" +#define BCM4334_FIRMWARE_NAME "brcm/brcmfmac4334-sdio.bin" +#define BCM4334_NVRAM_NAME "brcm/brcmfmac4334-sdio.txt" +#define BCM4335_FIRMWARE_NAME "brcm/brcmfmac4335-sdio.bin" +#define BCM4335_NVRAM_NAME "brcm/brcmfmac4335-sdio.txt" +#define BCM43362_FIRMWARE_NAME "brcm/brcmfmac43362-sdio.bin" +#define BCM43362_NVRAM_NAME "brcm/brcmfmac43362-sdio.txt" +#define BCM4339_FIRMWARE_NAME "brcm/brcmfmac4339-sdio.bin" +#define BCM4339_NVRAM_NAME "brcm/brcmfmac4339-sdio.txt" +#define BCM4354_FIRMWARE_NAME "brcm/brcmfmac4354-sdio.bin" +#define BCM4354_NVRAM_NAME "brcm/brcmfmac4354-sdio.txt" + +MODULE_FIRMWARE(BCM43143_FIRMWARE_NAME); +MODULE_FIRMWARE(BCM43143_NVRAM_NAME); +MODULE_FIRMWARE(BCM43241B0_FIRMWARE_NAME); +MODULE_FIRMWARE(BCM43241B0_NVRAM_NAME); +MODULE_FIRMWARE(BCM43241B4_FIRMWARE_NAME); +MODULE_FIRMWARE(BCM43241B4_NVRAM_NAME); +MODULE_FIRMWARE(BCM4329_FIRMWARE_NAME); +MODULE_FIRMWARE(BCM4329_NVRAM_NAME); +MODULE_FIRMWARE(BCM4330_FIRMWARE_NAME); +MODULE_FIRMWARE(BCM4330_NVRAM_NAME); +MODULE_FIRMWARE(BCM4334_FIRMWARE_NAME); +MODULE_FIRMWARE(BCM4334_NVRAM_NAME); +MODULE_FIRMWARE(BCM4335_FIRMWARE_NAME); +MODULE_FIRMWARE(BCM4335_NVRAM_NAME); +MODULE_FIRMWARE(BCM43362_FIRMWARE_NAME); +MODULE_FIRMWARE(BCM43362_NVRAM_NAME); +MODULE_FIRMWARE(BCM4339_FIRMWARE_NAME); +MODULE_FIRMWARE(BCM4339_NVRAM_NAME); +MODULE_FIRMWARE(BCM4354_FIRMWARE_NAME); +MODULE_FIRMWARE(BCM4354_NVRAM_NAME); + +struct brcmf_firmware_names { + u32 chipid; + u32 revmsk; + const char *bin; + const char *nv; +}; + +enum brcmf_firmware_type { + BRCMF_FIRMWARE_BIN, + BRCMF_FIRMWARE_NVRAM +}; + +#define BRCMF_FIRMWARE_NVRAM(name) \ + name ## _FIRMWARE_NAME, name ## _NVRAM_NAME + +static const struct brcmf_firmware_names brcmf_fwname_data[] = { + { BCM43143_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM43143) }, + { BCM43241_CHIP_ID, 0x0000001F, BRCMF_FIRMWARE_NVRAM(BCM43241B0) }, + { BCM43241_CHIP_ID, 0xFFFFFFE0, BRCMF_FIRMWARE_NVRAM(BCM43241B4) }, + { BCM4329_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4329) }, + { BCM4330_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4330) }, + { BCM4334_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4334) }, + { BCM4335_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4335) }, + { BCM43362_CHIP_ID, 0xFFFFFFFE, BRCMF_FIRMWARE_NVRAM(BCM43362) }, + { BCM4339_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4339) }, + { BCM4354_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4354) } +}; + +static const char *brcmf_sdio_get_fwname(struct brcmf_chip *ci, + enum brcmf_firmware_type type) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(brcmf_fwname_data); i++) { + if (brcmf_fwname_data[i].chipid == ci->chip && + brcmf_fwname_data[i].revmsk & BIT(ci->chiprev)) { + switch (type) { + case BRCMF_FIRMWARE_BIN: + return brcmf_fwname_data[i].bin; + case BRCMF_FIRMWARE_NVRAM: + return brcmf_fwname_data[i].nv; + default: + brcmf_err("invalid firmware type (%d)\n", type); + return NULL; + } + } + } + brcmf_err("Unknown chipid %d [%d]\n", + ci->chip, ci->chiprev); + return NULL; +} + static void pkt_align(struct sk_buff *p, int len, int align) { uint datalign; @@ -635,145 +677,202 @@ static bool data_ok(struct brcmf_sdio *bus) * Reads a register in the SDIO hardware block. This block occupies a series of * adresses on the 32 bit backplane bus. */ -static int -r_sdreg32(struct brcmf_sdio *bus, u32 *regvar, u32 offset) +static int r_sdreg32(struct brcmf_sdio *bus, u32 *regvar, u32 offset) { - u8 idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV); + struct brcmf_core *core; int ret; - *regvar = brcmf_sdio_regrl(bus->sdiodev, - bus->ci->c_inf[idx].base + offset, &ret); + core = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV); + *regvar = brcmf_sdiod_regrl(bus->sdiodev, core->base + offset, &ret); return ret; } -static int -w_sdreg32(struct brcmf_sdio *bus, u32 regval, u32 reg_offset) +static int w_sdreg32(struct brcmf_sdio *bus, u32 regval, u32 reg_offset) { - u8 idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV); + struct brcmf_core *core; int ret; - brcmf_sdio_regwl(bus->sdiodev, - bus->ci->c_inf[idx].base + reg_offset, - regval, &ret); + core = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV); + brcmf_sdiod_regwl(bus->sdiodev, core->base + reg_offset, regval, &ret); return ret; } -#define PKT_AVAILABLE() (intstatus & I_HMB_FRAME_IND) +static int +brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on) +{ + u8 wr_val = 0, rd_val, cmp_val, bmask; + int err = 0; + int try_cnt = 0; + + brcmf_dbg(TRACE, "Enter: on=%d\n", on); + + wr_val = (on << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); + /* 1st KSO write goes to AOS wake up core if device is asleep */ + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, + wr_val, &err); + + if (on) { + /* device WAKEUP through KSO: + * write bit 0 & read back until + * both bits 0 (kso bit) & 1 (dev on status) are set + */ + cmp_val = SBSDIO_FUNC1_SLEEPCSR_KSO_MASK | + SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK; + bmask = cmp_val; + usleep_range(2000, 3000); + } else { + /* Put device to sleep, turn off KSO */ + cmp_val = 0; + /* only check for bit0, bit1(dev on status) may not + * get cleared right away + */ + bmask = SBSDIO_FUNC1_SLEEPCSR_KSO_MASK; + } + + do { + /* reliable KSO bit set/clr: + * the sdiod sleep write access is synced to PMU 32khz clk + * just one write attempt may fail, + * read it back until it matches written value + */ + rd_val = brcmf_sdiod_regrb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, + &err); + if (((rd_val & bmask) == cmp_val) && !err) + break; + + udelay(KSO_WAIT_US); + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, + wr_val, &err); + } while (try_cnt++ < MAX_KSO_ATTEMPTS); + + if (try_cnt > 2) + brcmf_dbg(SDIO, "try_cnt=%d rd_val=0x%x err=%d\n", try_cnt, + rd_val, err); + + if (try_cnt > MAX_KSO_ATTEMPTS) + brcmf_err("max tries: rd_val=0x%x err=%d\n", rd_val, err); + + return err; +} #define HOSTINTMASK (I_HMB_SW_MASK | I_CHIPACTIVE) /* Turn backplane clock on or off */ -static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok) +static int brcmf_sdio_htclk(struct brcmf_sdio *bus, bool on, bool pendok) { int err; u8 clkctl, clkreq, devctl; unsigned long timeout; - brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(SDIO, "Enter\n"); clkctl = 0; + if (bus->sr_enabled) { + bus->clkstate = (on ? CLK_AVAIL : CLK_SDONLY); + return 0; + } + if (on) { /* Request HT Avail */ clkreq = bus->alp_only ? SBSDIO_ALP_AVAIL_REQ : SBSDIO_HT_AVAIL_REQ; - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - clkreq, &err); + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, + clkreq, &err); if (err) { - brcmf_dbg(ERROR, "HT Avail request error: %d\n", err); + brcmf_err("HT Avail request error: %d\n", err); return -EBADE; } /* Check current status */ - clkctl = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, &err); + clkctl = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_FUNC1_CHIPCLKCSR, &err); if (err) { - brcmf_dbg(ERROR, "HT Avail read error: %d\n", err); + brcmf_err("HT Avail read error: %d\n", err); return -EBADE; } /* Go to pending and await interrupt if appropriate */ if (!SBSDIO_CLKAV(clkctl, bus->alp_only) && pendok) { /* Allow only clock-available interrupt */ - devctl = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_DEVICE_CTL, &err); + devctl = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_DEVICE_CTL, &err); if (err) { - brcmf_dbg(ERROR, "Devctl error setting CA: %d\n", + brcmf_err("Devctl error setting CA: %d\n", err); return -EBADE; } devctl |= SBSDIO_DEVCTL_CA_INT_ONLY; - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, - devctl, &err); - brcmf_dbg(INFO, "CLKCTL: set PENDING\n"); + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, + devctl, &err); + brcmf_dbg(SDIO, "CLKCTL: set PENDING\n"); bus->clkstate = CLK_PENDING; return 0; } else if (bus->clkstate == CLK_PENDING) { /* Cancel CA-only interrupt filter */ - devctl = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_DEVICE_CTL, &err); + devctl = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_DEVICE_CTL, &err); devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, - devctl, &err); + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, + devctl, &err); } /* Otherwise, wait here (polling) for HT Avail */ timeout = jiffies + msecs_to_jiffies(PMU_MAX_TRANSITION_DLY/1000); while (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { - clkctl = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, - &err); + clkctl = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_FUNC1_CHIPCLKCSR, + &err); if (time_after(jiffies, timeout)) break; else usleep_range(5000, 10000); } if (err) { - brcmf_dbg(ERROR, "HT Avail request error: %d\n", err); + brcmf_err("HT Avail request error: %d\n", err); return -EBADE; } if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { - brcmf_dbg(ERROR, "HT Avail timeout (%d): clkctl 0x%02x\n", + brcmf_err("HT Avail timeout (%d): clkctl 0x%02x\n", PMU_MAX_TRANSITION_DLY, clkctl); return -EBADE; } /* Mark clock available */ bus->clkstate = CLK_AVAIL; - brcmf_dbg(INFO, "CLKCTL: turned ON\n"); + brcmf_dbg(SDIO, "CLKCTL: turned ON\n"); #if defined(DEBUG) if (!bus->alp_only) { if (SBSDIO_ALPONLY(clkctl)) - brcmf_dbg(ERROR, "HT Clock should be on\n"); + brcmf_err("HT Clock should be on\n"); } #endif /* defined (DEBUG) */ - bus->activity = true; } else { clkreq = 0; if (bus->clkstate == CLK_PENDING) { /* Cancel CA-only interrupt filter */ - devctl = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_DEVICE_CTL, &err); + devctl = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_DEVICE_CTL, &err); devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, - devctl, &err); + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, + devctl, &err); } bus->clkstate = CLK_SDONLY; - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - clkreq, &err); - brcmf_dbg(INFO, "CLKCTL: turned OFF\n"); + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, + clkreq, &err); + brcmf_dbg(SDIO, "CLKCTL: turned OFF\n"); if (err) { - brcmf_dbg(ERROR, "Failed access turning clock off: %d\n", + brcmf_err("Failed access turning clock off: %d\n", err); return -EBADE; } @@ -782,9 +881,9 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok) } /* Change idle/active SD state */ -static int brcmf_sdbrcm_sdclk(struct brcmf_sdio *bus, bool on) +static int brcmf_sdio_sdclk(struct brcmf_sdio *bus, bool on) { - brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(SDIO, "Enter\n"); if (on) bus->clkstate = CLK_SDONLY; @@ -795,18 +894,18 @@ static int brcmf_sdbrcm_sdclk(struct brcmf_sdio *bus, bool on) } /* Transition SD and backplane clock readiness */ -static int brcmf_sdbrcm_clkctl(struct brcmf_sdio *bus, uint target, bool pendok) +static int brcmf_sdio_clkctl(struct brcmf_sdio *bus, uint target, bool pendok) { #ifdef DEBUG uint oldstate = bus->clkstate; #endif /* DEBUG */ - brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(SDIO, "Enter\n"); /* Early exit if we're already there */ if (bus->clkstate == target) { if (target == CLK_AVAIL) { - brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS); + brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS); bus->activity = true; } return 0; @@ -816,49 +915,200 @@ static int brcmf_sdbrcm_clkctl(struct brcmf_sdio *bus, uint target, bool pendok) case CLK_AVAIL: /* Make sure SD clock is available */ if (bus->clkstate == CLK_NONE) - brcmf_sdbrcm_sdclk(bus, true); + brcmf_sdio_sdclk(bus, true); /* Now request HT Avail on the backplane */ - brcmf_sdbrcm_htclk(bus, true, pendok); - brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS); + brcmf_sdio_htclk(bus, true, pendok); + brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS); bus->activity = true; break; case CLK_SDONLY: /* Remove HT request, or bring up SD clock */ if (bus->clkstate == CLK_NONE) - brcmf_sdbrcm_sdclk(bus, true); + brcmf_sdio_sdclk(bus, true); else if (bus->clkstate == CLK_AVAIL) - brcmf_sdbrcm_htclk(bus, false, false); + brcmf_sdio_htclk(bus, false, false); else - brcmf_dbg(ERROR, "request for %d -> %d\n", + brcmf_err("request for %d -> %d\n", bus->clkstate, target); - brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS); + brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS); break; case CLK_NONE: /* Make sure to remove HT request */ if (bus->clkstate == CLK_AVAIL) - brcmf_sdbrcm_htclk(bus, false, false); + brcmf_sdio_htclk(bus, false, false); /* Now remove the SD clock */ - brcmf_sdbrcm_sdclk(bus, false); - brcmf_sdbrcm_wd_timer(bus, 0); + brcmf_sdio_sdclk(bus, false); + brcmf_sdio_wd_timer(bus, 0); break; } #ifdef DEBUG - brcmf_dbg(INFO, "%d -> %d\n", oldstate, bus->clkstate); + brcmf_dbg(SDIO, "%d -> %d\n", oldstate, bus->clkstate); #endif /* DEBUG */ return 0; } -static u32 brcmf_sdbrcm_hostmail(struct brcmf_sdio *bus) +static int +brcmf_sdio_bus_sleep(struct brcmf_sdio *bus, bool sleep, bool pendok) +{ + int err = 0; + u8 clkcsr; + + brcmf_dbg(SDIO, "Enter: request %s currently %s\n", + (sleep ? "SLEEP" : "WAKE"), + (bus->sleeping ? "SLEEP" : "WAKE")); + + /* If SR is enabled control bus state with KSO */ + if (bus->sr_enabled) { + /* Done if we're already in the requested state */ + if (sleep == bus->sleeping) + goto end; + + /* Going to sleep */ + if (sleep) { + /* Don't sleep if something is pending */ + if (atomic_read(&bus->intstatus) || + atomic_read(&bus->ipend) > 0 || + (!atomic_read(&bus->fcstate) && + brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) && + data_ok(bus))) { + err = -EBUSY; + goto done; + } + + clkcsr = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_FUNC1_CHIPCLKCSR, + &err); + if ((clkcsr & SBSDIO_CSR_MASK) == 0) { + brcmf_dbg(SDIO, "no clock, set ALP\n"); + brcmf_sdiod_regwb(bus->sdiodev, + SBSDIO_FUNC1_CHIPCLKCSR, + SBSDIO_ALP_AVAIL_REQ, &err); + } + err = brcmf_sdio_kso_control(bus, false); + /* disable watchdog */ + if (!err) + brcmf_sdio_wd_timer(bus, 0); + } else { + bus->idlecount = 0; + err = brcmf_sdio_kso_control(bus, true); + } + if (!err) { + /* Change state */ + bus->sleeping = sleep; + brcmf_dbg(SDIO, "new state %s\n", + (sleep ? "SLEEP" : "WAKE")); + } else { + brcmf_err("error while changing bus sleep state %d\n", + err); + goto done; + } + } + +end: + /* control clocks */ + if (sleep) { + if (!bus->sr_enabled) + brcmf_sdio_clkctl(bus, CLK_NONE, pendok); + } else { + brcmf_sdio_clkctl(bus, CLK_AVAIL, pendok); + } +done: + brcmf_dbg(SDIO, "Exit: err=%d\n", err); + return err; + +} + +#ifdef DEBUG +static inline bool brcmf_sdio_valid_shared_address(u32 addr) +{ + return !(addr == 0 || ((~addr >> 16) & 0xffff) == (addr & 0xffff)); +} + +static int brcmf_sdio_readshared(struct brcmf_sdio *bus, + struct sdpcm_shared *sh) +{ + u32 addr; + int rv; + u32 shaddr = 0; + struct sdpcm_shared_le sh_le; + __le32 addr_le; + + shaddr = bus->ci->rambase + bus->ramsize - 4; + + /* + * Read last word in socram to determine + * address of sdpcm_shared structure + */ + sdio_claim_host(bus->sdiodev->func[1]); + brcmf_sdio_bus_sleep(bus, false, false); + rv = brcmf_sdiod_ramrw(bus->sdiodev, false, shaddr, (u8 *)&addr_le, 4); + sdio_release_host(bus->sdiodev->func[1]); + if (rv < 0) + return rv; + + addr = le32_to_cpu(addr_le); + + brcmf_dbg(SDIO, "sdpcm_shared address 0x%08X\n", addr); + + /* + * Check if addr is valid. + * NVRAM length at the end of memory should have been overwritten. + */ + if (!brcmf_sdio_valid_shared_address(addr)) { + brcmf_err("invalid sdpcm_shared address 0x%08X\n", + addr); + return -EINVAL; + } + + /* Read hndrte_shared structure */ + rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, (u8 *)&sh_le, + sizeof(struct sdpcm_shared_le)); + if (rv < 0) + return rv; + + /* Endianness */ + sh->flags = le32_to_cpu(sh_le.flags); + sh->trap_addr = le32_to_cpu(sh_le.trap_addr); + sh->assert_exp_addr = le32_to_cpu(sh_le.assert_exp_addr); + sh->assert_file_addr = le32_to_cpu(sh_le.assert_file_addr); + sh->assert_line = le32_to_cpu(sh_le.assert_line); + sh->console_addr = le32_to_cpu(sh_le.console_addr); + sh->msgtrace_addr = le32_to_cpu(sh_le.msgtrace_addr); + + if ((sh->flags & SDPCM_SHARED_VERSION_MASK) > SDPCM_SHARED_VERSION) { + brcmf_err("sdpcm shared version unsupported: dhd %d dongle %d\n", + SDPCM_SHARED_VERSION, + sh->flags & SDPCM_SHARED_VERSION_MASK); + return -EPROTO; + } + + return 0; +} + +static void brcmf_sdio_get_console_addr(struct brcmf_sdio *bus) +{ + struct sdpcm_shared sh; + + if (brcmf_sdio_readshared(bus, &sh) == 0) + bus->console_addr = sh.console_addr; +} +#else +static void brcmf_sdio_get_console_addr(struct brcmf_sdio *bus) +{ +} +#endif /* DEBUG */ + +static u32 brcmf_sdio_hostmail(struct brcmf_sdio *bus) { u32 intstatus = 0; u32 hmb_data; u8 fcbits; int ret; - brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(SDIO, "Enter\n"); /* Read mailbox data and ack that we did so */ ret = r_sdreg32(bus, &hmb_data, @@ -871,10 +1121,10 @@ static u32 brcmf_sdbrcm_hostmail(struct brcmf_sdio *bus) /* Dongle recomposed rx frames, accept them again */ if (hmb_data & HMB_DATA_NAKHANDLED) { - brcmf_dbg(INFO, "Dongle reports NAK handled, expect rtx of %d\n", + brcmf_dbg(SDIO, "Dongle reports NAK handled, expect rtx of %d\n", bus->rx_seq); if (!bus->rxskip) - brcmf_dbg(ERROR, "unexpected NAKHANDLED!\n"); + brcmf_err("unexpected NAKHANDLED!\n"); bus->rxskip = false; intstatus |= I_HMB_FRAME_IND; @@ -888,12 +1138,18 @@ static u32 brcmf_sdbrcm_hostmail(struct brcmf_sdio *bus) (hmb_data & HMB_DATA_VERSION_MASK) >> HMB_DATA_VERSION_SHIFT; if (bus->sdpcm_ver != SDPCM_PROT_VERSION) - brcmf_dbg(ERROR, "Version mismatch, dongle reports %d, " + brcmf_err("Version mismatch, dongle reports %d, " "expecting %d\n", bus->sdpcm_ver, SDPCM_PROT_VERSION); else - brcmf_dbg(INFO, "Dongle ready, protocol version %d\n", + brcmf_dbg(SDIO, "Dongle ready, protocol version %d\n", bus->sdpcm_ver); + + /* + * Retrieve console state address now that firmware should have + * updated it. + */ + brcmf_sdio_get_console_addr(bus); } /* @@ -921,52 +1177,52 @@ static u32 brcmf_sdbrcm_hostmail(struct brcmf_sdio *bus) HMB_DATA_FC | HMB_DATA_FWREADY | HMB_DATA_FCDATA_MASK | HMB_DATA_VERSION_MASK)) - brcmf_dbg(ERROR, "Unknown mailbox data content: 0x%02x\n", + brcmf_err("Unknown mailbox data content: 0x%02x\n", hmb_data); return intstatus; } -static void brcmf_sdbrcm_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx) +static void brcmf_sdio_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx) { uint retries = 0; u16 lastrbc; u8 hi, lo; int err; - brcmf_dbg(ERROR, "%sterminate frame%s\n", + brcmf_err("%sterminate frame%s\n", abort ? "abort command, " : "", rtx ? ", send NAK" : ""); if (abort) - brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2); + brcmf_sdiod_abort(bus->sdiodev, SDIO_FUNC_2); - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL, - SFC_RF_TERM, &err); + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL, + SFC_RF_TERM, &err); bus->sdcnt.f1regdata++; /* Wait until the packet has been flushed (device/FIFO stable) */ for (lastrbc = retries = 0xffff; retries > 0; retries--) { - hi = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_RFRAMEBCHI, &err); - lo = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_RFRAMEBCLO, &err); + hi = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_FUNC1_RFRAMEBCHI, &err); + lo = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_FUNC1_RFRAMEBCLO, &err); bus->sdcnt.f1regdata += 2; if ((hi == 0) && (lo == 0)) break; if ((hi > (lastrbc >> 8)) && (lo > (lastrbc & 0x00ff))) { - brcmf_dbg(ERROR, "count growing: last 0x%04x now 0x%04x\n", + brcmf_err("count growing: last 0x%04x now 0x%04x\n", lastrbc, (hi << 8) + lo); } lastrbc = (hi << 8) + lo; } if (!retries) - brcmf_dbg(ERROR, "count never zeroed: last 0x%04x\n", lastrbc); + brcmf_err("count never zeroed: last 0x%04x\n", lastrbc); else - brcmf_dbg(INFO, "flush took %d iterations\n", 0xffff - retries); + brcmf_dbg(SDIO, "flush took %d iterations\n", 0xffff - retries); if (rtx) { bus->sdcnt.rxrtx++; @@ -980,37 +1236,32 @@ static void brcmf_sdbrcm_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx) /* Clear partial in any case */ bus->cur_read.len = 0; - - /* If we can't reach the device, signal failure */ - if (err) - bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN; } -/* copy a buffer into a pkt buffer chain */ -static uint brcmf_sdbrcm_glom_from_buf(struct brcmf_sdio *bus, uint len) +static void brcmf_sdio_txfail(struct brcmf_sdio *bus) { - uint n, ret = 0; - struct sk_buff *p; - u8 *buf; + struct brcmf_sdio_dev *sdiodev = bus->sdiodev; + u8 i, hi, lo; - buf = bus->dataptr; + /* On failure, abort the command and terminate the frame */ + brcmf_err("sdio error, abort command and terminate frame\n"); + bus->sdcnt.tx_sderrs++; - /* copy the data */ - skb_queue_walk(&bus->glom, p) { - n = min_t(uint, p->len, len); - memcpy(p->data, buf, n); - buf += n; - len -= n; - ret += n; - if (!len) + brcmf_sdiod_abort(sdiodev, SDIO_FUNC_2); + brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_FRAMECTRL, SFC_WF_TERM, NULL); + bus->sdcnt.f1regdata++; + + for (i = 0; i < 3; i++) { + hi = brcmf_sdiod_regrb(sdiodev, SBSDIO_FUNC1_WFRAMEBCHI, NULL); + lo = brcmf_sdiod_regrb(sdiodev, SBSDIO_FUNC1_WFRAMEBCLO, NULL); + bus->sdcnt.f1regdata += 2; + if ((hi == 0) && (lo == 0)) break; } - - return ret; } /* return total length of buffer chain */ -static uint brcmf_sdbrcm_glom_len(struct brcmf_sdio *bus) +static uint brcmf_sdio_glom_len(struct brcmf_sdio *bus) { struct sk_buff *p; uint total; @@ -1021,7 +1272,7 @@ static uint brcmf_sdbrcm_glom_len(struct brcmf_sdio *bus) return total; } -static void brcmf_sdbrcm_free_glom(struct brcmf_sdio *bus) +static void brcmf_sdio_free_glom(struct brcmf_sdio *bus) { struct sk_buff *cur, *next; @@ -1031,78 +1282,157 @@ static void brcmf_sdbrcm_free_glom(struct brcmf_sdio *bus) } } -static bool brcmf_sdio_hdparser(struct brcmf_sdio *bus, u8 *header, - struct brcmf_sdio_read *rd) +/** + * brcmfmac sdio bus specific header + * This is the lowest layer header wrapped on the packets transmitted between + * host and WiFi dongle which contains information needed for SDIO core and + * firmware + * + * It consists of 3 parts: hardware header, hardware extension header and + * software header + * hardware header (frame tag) - 4 bytes + * Byte 0~1: Frame length + * Byte 2~3: Checksum, bit-wise inverse of frame length + * hardware extension header - 8 bytes + * Tx glom mode only, N/A for Rx or normal Tx + * Byte 0~1: Packet length excluding hw frame tag + * Byte 2: Reserved + * Byte 3: Frame flags, bit 0: last frame indication + * Byte 4~5: Reserved + * Byte 6~7: Tail padding length + * software header - 8 bytes + * Byte 0: Rx/Tx sequence number + * Byte 1: 4 MSB Channel number, 4 LSB arbitrary flag + * Byte 2: Length of next data frame, reserved for Tx + * Byte 3: Data offset + * Byte 4: Flow control bits, reserved for Tx + * Byte 5: Maximum Sequence number allowed by firmware for Tx, N/A for Tx packet + * Byte 6~7: Reserved + */ +#define SDPCM_HWHDR_LEN 4 +#define SDPCM_HWEXT_LEN 8 +#define SDPCM_SWHDR_LEN 8 +#define SDPCM_HDRLEN (SDPCM_HWHDR_LEN + SDPCM_SWHDR_LEN) +/* software header */ +#define SDPCM_SEQ_MASK 0x000000ff +#define SDPCM_SEQ_WRAP 256 +#define SDPCM_CHANNEL_MASK 0x00000f00 +#define SDPCM_CHANNEL_SHIFT 8 +#define SDPCM_CONTROL_CHANNEL 0 /* Control */ +#define SDPCM_EVENT_CHANNEL 1 /* Asyc Event Indication */ +#define SDPCM_DATA_CHANNEL 2 /* Data Xmit/Recv */ +#define SDPCM_GLOM_CHANNEL 3 /* Coalesced packets */ +#define SDPCM_TEST_CHANNEL 15 /* Test/debug packets */ +#define SDPCM_GLOMDESC(p) (((u8 *)p)[1] & 0x80) +#define SDPCM_NEXTLEN_MASK 0x00ff0000 +#define SDPCM_NEXTLEN_SHIFT 16 +#define SDPCM_DOFFSET_MASK 0xff000000 +#define SDPCM_DOFFSET_SHIFT 24 +#define SDPCM_FCMASK_MASK 0x000000ff +#define SDPCM_WINDOW_MASK 0x0000ff00 +#define SDPCM_WINDOW_SHIFT 8 + +static inline u8 brcmf_sdio_getdatoffset(u8 *swheader) +{ + u32 hdrvalue; + hdrvalue = *(u32 *)swheader; + return (u8)((hdrvalue & SDPCM_DOFFSET_MASK) >> SDPCM_DOFFSET_SHIFT); +} + +static int brcmf_sdio_hdparse(struct brcmf_sdio *bus, u8 *header, + struct brcmf_sdio_hdrinfo *rd, + enum brcmf_sdio_frmtype type) { u16 len, checksum; u8 rx_seq, fc, tx_seq_max; + u32 swheader; - /* - * 4 bytes hardware header (frame tag) - * Byte 0~1: Frame length - * Byte 2~3: Checksum, bit-wise inverse of frame length - */ + trace_brcmf_sdpcm_hdr(SDPCM_RX, header); + + /* hw header */ len = get_unaligned_le16(header); checksum = get_unaligned_le16(header + sizeof(u16)); /* All zero means no more to read */ if (!(len | checksum)) { bus->rxpending = false; - return false; + return -ENODATA; } if ((u16)(~(len ^ checksum))) { - brcmf_dbg(ERROR, "HW header checksum error\n"); + brcmf_err("HW header checksum error\n"); bus->sdcnt.rx_badhdr++; - brcmf_sdbrcm_rxfail(bus, false, false); - return false; + brcmf_sdio_rxfail(bus, false, false); + return -EIO; } if (len < SDPCM_HDRLEN) { - brcmf_dbg(ERROR, "HW header length error\n"); - return false; + brcmf_err("HW header length error\n"); + return -EPROTO; + } + if (type == BRCMF_SDIO_FT_SUPER && + (roundup(len, bus->blocksize) != rd->len)) { + brcmf_err("HW superframe header length error\n"); + return -EPROTO; + } + if (type == BRCMF_SDIO_FT_SUB && len > rd->len) { + brcmf_err("HW subframe header length error\n"); + return -EPROTO; } rd->len = len; - /* - * 8 bytes hardware header - * Byte 0: Rx sequence number - * Byte 1: 4 MSB Channel number, 4 LSB arbitrary flag - * Byte 2: Length of next data frame - * Byte 3: Data offset - * Byte 4: Flow control bits - * Byte 5: Maximum Sequence number allow for Tx - * Byte 6~7: Reserved - */ - rx_seq = SDPCM_PACKET_SEQUENCE(&header[SDPCM_FRAMETAG_LEN]); - rd->channel = SDPCM_PACKET_CHANNEL(&header[SDPCM_FRAMETAG_LEN]); - if (len > MAX_RX_DATASZ && rd->channel != SDPCM_CONTROL_CHANNEL) { - brcmf_dbg(ERROR, "HW header length too long\n"); - bus->sdiodev->bus_if->dstats.rx_errors++; + /* software header */ + header += SDPCM_HWHDR_LEN; + swheader = le32_to_cpu(*(__le32 *)header); + if (type == BRCMF_SDIO_FT_SUPER && SDPCM_GLOMDESC(header)) { + brcmf_err("Glom descriptor found in superframe head\n"); + rd->len = 0; + return -EINVAL; + } + rx_seq = (u8)(swheader & SDPCM_SEQ_MASK); + rd->channel = (swheader & SDPCM_CHANNEL_MASK) >> SDPCM_CHANNEL_SHIFT; + if (len > MAX_RX_DATASZ && rd->channel != SDPCM_CONTROL_CHANNEL && + type != BRCMF_SDIO_FT_SUPER) { + brcmf_err("HW header length too long\n"); bus->sdcnt.rx_toolong++; - brcmf_sdbrcm_rxfail(bus, false, false); + brcmf_sdio_rxfail(bus, false, false); rd->len = 0; - return false; + return -EPROTO; } - rd->dat_offset = SDPCM_DOFFSET_VALUE(&header[SDPCM_FRAMETAG_LEN]); + if (type == BRCMF_SDIO_FT_SUPER && rd->channel != SDPCM_GLOM_CHANNEL) { + brcmf_err("Wrong channel for superframe\n"); + rd->len = 0; + return -EINVAL; + } + if (type == BRCMF_SDIO_FT_SUB && rd->channel != SDPCM_DATA_CHANNEL && + rd->channel != SDPCM_EVENT_CHANNEL) { + brcmf_err("Wrong channel for subframe\n"); + rd->len = 0; + return -EINVAL; + } + rd->dat_offset = brcmf_sdio_getdatoffset(header); if (rd->dat_offset < SDPCM_HDRLEN || rd->dat_offset > rd->len) { - brcmf_dbg(ERROR, "seq %d: bad data offset\n", rx_seq); + brcmf_err("seq %d: bad data offset\n", rx_seq); bus->sdcnt.rx_badhdr++; - brcmf_sdbrcm_rxfail(bus, false, false); + brcmf_sdio_rxfail(bus, false, false); rd->len = 0; - return false; + return -ENXIO; } if (rd->seq_num != rx_seq) { - brcmf_dbg(ERROR, "seq %d: sequence number error, expect %d\n", + brcmf_err("seq %d: sequence number error, expect %d\n", rx_seq, rd->seq_num); bus->sdcnt.rx_badseq++; rd->seq_num = rx_seq; } - rd->len_nxtfrm = header[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET]; + /* no need to check the reset for subframe */ + if (type == BRCMF_SDIO_FT_SUB) + return 0; + rd->len_nxtfrm = (swheader & SDPCM_NEXTLEN_MASK) >> SDPCM_NEXTLEN_SHIFT; if (rd->len_nxtfrm << 4 > MAX_RX_DATASZ) { /* only warm for NON glom packet */ if (rd->channel != SDPCM_GLOM_CHANNEL) - brcmf_dbg(ERROR, "seq %d: next length error\n", rx_seq); + brcmf_err("seq %d: next length error\n", rx_seq); rd->len_nxtfrm = 0; } - fc = SDPCM_FCMASK_VALUE(&header[SDPCM_FRAMETAG_LEN]); + swheader = le32_to_cpu(*(__le32 *)(header + 4)); + fc = swheader & SDPCM_FCMASK_MASK; if (bus->flowcontrol != fc) { if (~bus->flowcontrol & fc) bus->sdcnt.fc_xoff++; @@ -1111,36 +1441,65 @@ static bool brcmf_sdio_hdparser(struct brcmf_sdio *bus, u8 *header, bus->sdcnt.fc_rcvd++; bus->flowcontrol = fc; } - tx_seq_max = SDPCM_WINDOW_VALUE(&header[SDPCM_FRAMETAG_LEN]); + tx_seq_max = (swheader & SDPCM_WINDOW_MASK) >> SDPCM_WINDOW_SHIFT; if ((u8)(tx_seq_max - bus->tx_seq) > 0x40) { - brcmf_dbg(ERROR, "seq %d: max tx seq number error\n", rx_seq); + brcmf_err("seq %d: max tx seq number error\n", rx_seq); tx_seq_max = bus->tx_seq + 2; } bus->tx_max = tx_seq_max; - return true; + return 0; } -static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) +static inline void brcmf_sdio_update_hwhdr(u8 *header, u16 frm_length) +{ + *(__le16 *)header = cpu_to_le16(frm_length); + *(((__le16 *)header) + 1) = cpu_to_le16(~frm_length); +} + +static void brcmf_sdio_hdpack(struct brcmf_sdio *bus, u8 *header, + struct brcmf_sdio_hdrinfo *hd_info) +{ + u32 hdrval; + u8 hdr_offset; + + brcmf_sdio_update_hwhdr(header, hd_info->len); + hdr_offset = SDPCM_HWHDR_LEN; + + if (bus->txglom) { + hdrval = (hd_info->len - hdr_offset) | (hd_info->lastfrm << 24); + *((__le32 *)(header + hdr_offset)) = cpu_to_le32(hdrval); + hdrval = (u16)hd_info->tail_pad << 16; + *(((__le32 *)(header + hdr_offset)) + 1) = cpu_to_le32(hdrval); + hdr_offset += SDPCM_HWEXT_LEN; + } + + hdrval = hd_info->seq_num; + hdrval |= (hd_info->channel << SDPCM_CHANNEL_SHIFT) & + SDPCM_CHANNEL_MASK; + hdrval |= (hd_info->dat_offset << SDPCM_DOFFSET_SHIFT) & + SDPCM_DOFFSET_MASK; + *((__le32 *)(header + hdr_offset)) = cpu_to_le32(hdrval); + *(((__le32 *)(header + hdr_offset)) + 1) = 0; + trace_brcmf_sdpcm_hdr(SDPCM_TX + !!(bus->txglom), header); +} + +static u8 brcmf_sdio_rxglom(struct brcmf_sdio *bus, u8 rxseq) { u16 dlen, totlen; u8 *dptr, num = 0; - - u16 sublen, check; + u16 sublen; struct sk_buff *pfirst, *pnext; int errcode; - u8 chan, seq, doff, sfdoff; - u8 txmax; + u8 doff, sfdoff; - int ifidx = 0; - bool usechain = bus->use_rxchain; - u16 next_len; + struct brcmf_sdio_hdrinfo rd_new; /* If packets, issue read(s) and send up packet chain */ /* Return sequence numbers consumed? */ - brcmf_dbg(TRACE, "start: glomd %p glom %p\n", + brcmf_dbg(SDIO, "start: glomd %p glom %p\n", bus->glomd, skb_peek(&bus->glom)); /* If there's a descriptor, generate the packet chain */ @@ -1149,7 +1508,7 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) dlen = (u16) (bus->glomd->len); dptr = bus->glomd->data; if (!dlen || (dlen & 1)) { - brcmf_dbg(ERROR, "bad glomd len(%d), ignore descriptor\n", + brcmf_err("bad glomd len(%d), ignore descriptor\n", dlen); dlen = 0; } @@ -1161,15 +1520,14 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) dptr += sizeof(u16); if ((sublen < SDPCM_HDRLEN) || ((num == 0) && (sublen < (2 * SDPCM_HDRLEN)))) { - brcmf_dbg(ERROR, "descriptor len %d bad: %d\n", + brcmf_err("descriptor len %d bad: %d\n", num, sublen); pnext = NULL; break; } - if (sublen % BRCMF_SDALIGN) { - brcmf_dbg(ERROR, "sublen %d not multiple of %d\n", - sublen, BRCMF_SDALIGN); - usechain = false; + if (sublen % bus->sgentry_align) { + brcmf_err("sublen %d not multiple of %d\n", + sublen, bus->sgentry_align); } totlen += sublen; @@ -1182,16 +1540,16 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) } /* Allocate/chain packet for next subframe */ - pnext = brcmu_pkt_buf_get_skb(sublen + BRCMF_SDALIGN); + pnext = brcmu_pkt_buf_get_skb(sublen + bus->sgentry_align); if (pnext == NULL) { - brcmf_dbg(ERROR, "bcm_pkt_buf_get_skb failed, num %d len %d\n", + brcmf_err("bcm_pkt_buf_get_skb failed, num %d len %d\n", num, sublen); break; } skb_queue_tail(&bus->glom, pnext); /* Adhere to start alignment requirements */ - pkt_align(pnext, sublen, BRCMF_SDALIGN); + pkt_align(pnext, sublen, bus->sgentry_align); } /* If all allocations succeeded, save packet chain @@ -1206,7 +1564,7 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) } pfirst = pnext = NULL; } else { - brcmf_sdbrcm_free_glom(bus); + brcmf_sdio_free_glom(bus); num = 0; } @@ -1229,49 +1587,33 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) } pfirst = skb_peek(&bus->glom); - dlen = (u16) brcmf_sdbrcm_glom_len(bus); + dlen = (u16) brcmf_sdio_glom_len(bus); /* Do an SDIO read for the superframe. Configurable iovar to * read directly into the chained packet, or allocate a large * packet and and copy into the chain. */ - if (usechain) { - errcode = brcmf_sdcard_recv_chain(bus->sdiodev, - bus->sdiodev->sbwad, - SDIO_FUNC_2, F2SYNC, &bus->glom); - } else if (bus->dataptr) { - errcode = brcmf_sdcard_recv_buf(bus->sdiodev, - bus->sdiodev->sbwad, - SDIO_FUNC_2, F2SYNC, - bus->dataptr, dlen); - sublen = (u16) brcmf_sdbrcm_glom_from_buf(bus, dlen); - if (sublen != dlen) { - brcmf_dbg(ERROR, "FAILED TO COPY, dlen %d sublen %d\n", - dlen, sublen); - errcode = -1; - } - pnext = NULL; - } else { - brcmf_dbg(ERROR, "COULDN'T ALLOC %d-BYTE GLOM, FORCE FAILURE\n", - dlen); - errcode = -1; - } + sdio_claim_host(bus->sdiodev->func[1]); + errcode = brcmf_sdiod_recv_chain(bus->sdiodev, + &bus->glom, dlen); + sdio_release_host(bus->sdiodev->func[1]); bus->sdcnt.f2rxdata++; /* On failure, kill the superframe, allow a couple retries */ if (errcode < 0) { - brcmf_dbg(ERROR, "glom read of %d bytes failed: %d\n", + brcmf_err("glom read of %d bytes failed: %d\n", dlen, errcode); - bus->sdiodev->bus_if->dstats.rx_errors++; + sdio_claim_host(bus->sdiodev->func[1]); if (bus->glomerr++ < 3) { - brcmf_sdbrcm_rxfail(bus, true, true); + brcmf_sdio_rxfail(bus, true, true); } else { bus->glomerr = 0; - brcmf_sdbrcm_rxfail(bus, true, false); + brcmf_sdio_rxfail(bus, true, false); bus->sdcnt.rxglomfail++; - brcmf_sdbrcm_free_glom(bus); + brcmf_sdio_free_glom(bus); } + sdio_release_host(bus->sdiodev->func[1]); return 0; } @@ -1279,68 +1621,17 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) pfirst->data, min_t(int, pfirst->len, 48), "SUPERFRAME:\n"); - /* Validate the superframe header */ - dptr = (u8 *) (pfirst->data); - sublen = get_unaligned_le16(dptr); - check = get_unaligned_le16(dptr + sizeof(u16)); - - chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); - seq = SDPCM_PACKET_SEQUENCE(&dptr[SDPCM_FRAMETAG_LEN]); - next_len = dptr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET]; - if ((next_len << 4) > MAX_RX_DATASZ) { - brcmf_dbg(INFO, "nextlen too large (%d) seq %d\n", - next_len, seq); - next_len = 0; - } - bus->cur_read.len = next_len << 4; - doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); - txmax = SDPCM_WINDOW_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); - - errcode = 0; - if ((u16)~(sublen ^ check)) { - brcmf_dbg(ERROR, "(superframe): HW hdr error: len/check 0x%04x/0x%04x\n", - sublen, check); - errcode = -1; - } else if (roundup(sublen, bus->blocksize) != dlen) { - brcmf_dbg(ERROR, "(superframe): len 0x%04x, rounded 0x%04x, expect 0x%04x\n", - sublen, roundup(sublen, bus->blocksize), - dlen); - errcode = -1; - } else if (SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]) != - SDPCM_GLOM_CHANNEL) { - brcmf_dbg(ERROR, "(superframe): bad channel %d\n", - SDPCM_PACKET_CHANNEL( - &dptr[SDPCM_FRAMETAG_LEN])); - errcode = -1; - } else if (SDPCM_GLOMDESC(&dptr[SDPCM_FRAMETAG_LEN])) { - brcmf_dbg(ERROR, "(superframe): got 2nd descriptor?\n"); - errcode = -1; - } else if ((doff < SDPCM_HDRLEN) || - (doff > (pfirst->len - SDPCM_HDRLEN))) { - brcmf_dbg(ERROR, "(superframe): Bad data offset %d: HW %d pkt %d min %d\n", - doff, sublen, pfirst->len, SDPCM_HDRLEN); - errcode = -1; - } - - /* Check sequence number of superframe SW header */ - if (rxseq != seq) { - brcmf_dbg(INFO, "(superframe) rx_seq %d, expected %d\n", - seq, rxseq); - bus->sdcnt.rx_badseq++; - rxseq = seq; - } - - /* Check window for sanity */ - if ((u8) (txmax - bus->tx_seq) > 0x40) { - brcmf_dbg(ERROR, "unlikely tx max %d with tx_seq %d\n", - txmax, bus->tx_seq); - txmax = bus->tx_seq + 2; - } - bus->tx_max = txmax; + rd_new.seq_num = rxseq; + rd_new.len = dlen; + sdio_claim_host(bus->sdiodev->func[1]); + errcode = brcmf_sdio_hdparse(bus, pfirst->data, &rd_new, + BRCMF_SDIO_FT_SUPER); + sdio_release_host(bus->sdiodev->func[1]); + bus->cur_read.len = rd_new.len_nxtfrm << 4; /* Remove superframe header, remember offset */ - skb_pull(pfirst, doff); - sfdoff = doff; + skb_pull(pfirst, rd_new.dat_offset); + sfdoff = rd_new.dat_offset; num = 0; /* Validate all the subframe headers */ @@ -1349,50 +1640,33 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) if (errcode) break; - dptr = (u8 *) (pnext->data); - dlen = (u16) (pnext->len); - sublen = get_unaligned_le16(dptr); - check = get_unaligned_le16(dptr + sizeof(u16)); - chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); - doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); + rd_new.len = pnext->len; + rd_new.seq_num = rxseq++; + sdio_claim_host(bus->sdiodev->func[1]); + errcode = brcmf_sdio_hdparse(bus, pnext->data, &rd_new, + BRCMF_SDIO_FT_SUB); + sdio_release_host(bus->sdiodev->func[1]); brcmf_dbg_hex_dump(BRCMF_GLOM_ON(), - dptr, 32, "subframe:\n"); - - if ((u16)~(sublen ^ check)) { - brcmf_dbg(ERROR, "(subframe %d): HW hdr error: len/check 0x%04x/0x%04x\n", - num, sublen, check); - errcode = -1; - } else if ((sublen > dlen) || (sublen < SDPCM_HDRLEN)) { - brcmf_dbg(ERROR, "(subframe %d): length mismatch: len 0x%04x, expect 0x%04x\n", - num, sublen, dlen); - errcode = -1; - } else if ((chan != SDPCM_DATA_CHANNEL) && - (chan != SDPCM_EVENT_CHANNEL)) { - brcmf_dbg(ERROR, "(subframe %d): bad channel %d\n", - num, chan); - errcode = -1; - } else if ((doff < SDPCM_HDRLEN) || (doff > sublen)) { - brcmf_dbg(ERROR, "(subframe %d): Bad data offset %d: HW %d min %d\n", - num, doff, sublen, SDPCM_HDRLEN); - errcode = -1; - } - /* increase the subframe count */ + pnext->data, 32, "subframe:\n"); + num++; } if (errcode) { /* Terminate frame on error, request a couple retries */ + sdio_claim_host(bus->sdiodev->func[1]); if (bus->glomerr++ < 3) { /* Restore superframe header space */ skb_push(pfirst, sfdoff); - brcmf_sdbrcm_rxfail(bus, true, true); + brcmf_sdio_rxfail(bus, true, true); } else { bus->glomerr = 0; - brcmf_sdbrcm_rxfail(bus, true, false); + brcmf_sdio_rxfail(bus, true, false); bus->sdcnt.rxglomfail++; - brcmf_sdbrcm_free_glom(bus); + brcmf_sdio_free_glom(bus); } + sdio_release_host(bus->sdiodev->func[1]); bus->cur_read.len = 0; return 0; } @@ -1402,27 +1676,11 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) skb_queue_walk_safe(&bus->glom, pfirst, pnext) { dptr = (u8 *) (pfirst->data); sublen = get_unaligned_le16(dptr); - chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); - seq = SDPCM_PACKET_SEQUENCE(&dptr[SDPCM_FRAMETAG_LEN]); - doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); - - brcmf_dbg(GLOM, "Get subframe %d, %p(%p/%d), sublen %d chan %d seq %d\n", - num, pfirst, pfirst->data, - pfirst->len, sublen, chan, seq); - - /* precondition: chan == SDPCM_DATA_CHANNEL || - chan == SDPCM_EVENT_CHANNEL */ - - if (rxseq != seq) { - brcmf_dbg(GLOM, "rx_seq %d, expected %d\n", - seq, rxseq); - bus->sdcnt.rx_badseq++; - rxseq = seq; - } - rxseq++; + doff = brcmf_sdio_getdatoffset(&dptr[SDPCM_HWHDR_LEN]); brcmf_dbg_hex_dump(BRCMF_BYTES_ON() && BRCMF_DATA_ON(), - dptr, dlen, "Rx Subframe Data:\n"); + dptr, pfirst->len, + "Rx Subframe Data:\n"); __skb_trim(pfirst, sublen); skb_pull(pfirst, doff); @@ -1431,13 +1689,6 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) skb_unlink(pfirst, &bus->glom); brcmu_pkt_buf_free_skb(pfirst); continue; - } else if (brcmf_proto_hdrpull(bus->sdiodev->dev, - &ifidx, pfirst) != 0) { - brcmf_dbg(ERROR, "rx protocol error\n"); - bus->sdiodev->bus_if->dstats.rx_errors++; - skb_unlink(pfirst, &bus->glom); - brcmu_pkt_buf_free_skb(pfirst); - continue; } brcmf_dbg_hex_dump(BRCMF_GLOM_ON(), @@ -1447,22 +1698,18 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) bus->glom.qlen, pfirst, pfirst->data, pfirst->len, pfirst->next, pfirst->prev); - } - /* sent any remaining packets up */ - if (bus->glom.qlen) { - up(&bus->sdsem); - brcmf_rx_frame(bus->sdiodev->dev, ifidx, &bus->glom); - down(&bus->sdsem); + skb_unlink(pfirst, &bus->glom); + brcmf_rx_frame(bus->sdiodev->dev, pfirst); + bus->sdcnt.rxglompkts++; } bus->sdcnt.rxglomframes++; - bus->sdcnt.rxglompkts += bus->glom.qlen; } return num; } -static int brcmf_sdbrcm_dcmd_resp_wait(struct brcmf_sdio *bus, uint *condition, - bool *pending) +static int brcmf_sdio_dcmd_resp_wait(struct brcmf_sdio *bus, uint *condition, + bool *pending) { DECLARE_WAITQUEUE(wait, current); int timeout = msecs_to_jiffies(DCMD_RESP_TIMEOUT); @@ -1483,7 +1730,7 @@ static int brcmf_sdbrcm_dcmd_resp_wait(struct brcmf_sdio *bus, uint *condition, return timeout; } -static int brcmf_sdbrcm_dcmd_resp_wake(struct brcmf_sdio *bus) +static int brcmf_sdio_dcmd_resp_wake(struct brcmf_sdio *bus) { if (waitqueue_active(&bus->dcmd_resp_wait)) wake_up_interruptible(&bus->dcmd_resp_wait); @@ -1491,24 +1738,26 @@ static int brcmf_sdbrcm_dcmd_resp_wake(struct brcmf_sdio *bus) return 0; } static void -brcmf_sdbrcm_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff) +brcmf_sdio_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff) { uint rdlen, pad; - + u8 *buf = NULL, *rbuf; int sdret; brcmf_dbg(TRACE, "Enter\n"); - /* Set rxctl for frame (w/optional alignment) */ - bus->rxctl = bus->rxbuf; - bus->rxctl += BRCMF_FIRSTREAD; - pad = ((unsigned long)bus->rxctl % BRCMF_SDALIGN); + if (bus->rxblen) + buf = vzalloc(bus->rxblen); + if (!buf) + goto done; + + rbuf = bus->rxbuf; + pad = ((unsigned long)rbuf % bus->head_align); if (pad) - bus->rxctl += (BRCMF_SDALIGN - pad); - bus->rxctl -= BRCMF_FIRSTREAD; + rbuf += (bus->head_align - pad); /* Copy the already-read portion over */ - memcpy(bus->rxctl, hdr, BRCMF_FIRSTREAD); + memcpy(buf, hdr, BRCMF_FIRSTREAD); if (len <= BRCMF_FIRSTREAD) goto gotpkt; @@ -1519,72 +1768,73 @@ brcmf_sdbrcm_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff) if ((pad <= bus->roundup) && (pad < bus->blocksize) && ((len + pad) < bus->sdiodev->bus_if->maxctl)) rdlen += pad; - } else if (rdlen % BRCMF_SDALIGN) { - rdlen += BRCMF_SDALIGN - (rdlen % BRCMF_SDALIGN); + } else if (rdlen % bus->head_align) { + rdlen += bus->head_align - (rdlen % bus->head_align); } - /* Satisfy length-alignment requirements */ - if (rdlen & (ALIGNMENT - 1)) - rdlen = roundup(rdlen, ALIGNMENT); - /* Drop if the read is too big or it exceeds our maximum */ if ((rdlen + BRCMF_FIRSTREAD) > bus->sdiodev->bus_if->maxctl) { - brcmf_dbg(ERROR, "%d-byte control read exceeds %d-byte buffer\n", + brcmf_err("%d-byte control read exceeds %d-byte buffer\n", rdlen, bus->sdiodev->bus_if->maxctl); - bus->sdiodev->bus_if->dstats.rx_errors++; - brcmf_sdbrcm_rxfail(bus, false, false); + brcmf_sdio_rxfail(bus, false, false); goto done; } if ((len - doff) > bus->sdiodev->bus_if->maxctl) { - brcmf_dbg(ERROR, "%d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n", + brcmf_err("%d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n", len, len - doff, bus->sdiodev->bus_if->maxctl); - bus->sdiodev->bus_if->dstats.rx_errors++; bus->sdcnt.rx_toolong++; - brcmf_sdbrcm_rxfail(bus, false, false); + brcmf_sdio_rxfail(bus, false, false); goto done; } - /* Read remainder of frame body into the rxctl buffer */ - sdret = brcmf_sdcard_recv_buf(bus->sdiodev, - bus->sdiodev->sbwad, - SDIO_FUNC_2, - F2SYNC, (bus->rxctl + BRCMF_FIRSTREAD), rdlen); + /* Read remain of frame body */ + sdret = brcmf_sdiod_recv_buf(bus->sdiodev, rbuf, rdlen); bus->sdcnt.f2rxdata++; /* Control frame failures need retransmission */ if (sdret < 0) { - brcmf_dbg(ERROR, "read %d control bytes failed: %d\n", + brcmf_err("read %d control bytes failed: %d\n", rdlen, sdret); bus->sdcnt.rxc_errors++; - brcmf_sdbrcm_rxfail(bus, true, true); + brcmf_sdio_rxfail(bus, true, true); goto done; - } + } else + memcpy(buf + BRCMF_FIRSTREAD, rbuf, rdlen); gotpkt: brcmf_dbg_hex_dump(BRCMF_BYTES_ON() && BRCMF_CTL_ON(), - bus->rxctl, len, "RxCtrl:\n"); + buf, len, "RxCtrl:\n"); /* Point to valid data and indicate its length */ - bus->rxctl += doff; + spin_lock_bh(&bus->rxctl_lock); + if (bus->rxctl) { + brcmf_err("last control frame is being processed.\n"); + spin_unlock_bh(&bus->rxctl_lock); + vfree(buf); + goto done; + } + bus->rxctl = buf + doff; + bus->rxctl_orig = buf; bus->rxlen = len - doff; + spin_unlock_bh(&bus->rxctl_lock); done: /* Awake any waiters */ - brcmf_sdbrcm_dcmd_resp_wake(bus); + brcmf_sdio_dcmd_resp_wake(bus); } /* Pad read to blocksize for efficiency */ -static void brcmf_pad(struct brcmf_sdio *bus, u16 *pad, u16 *rdlen) +static void brcmf_sdio_pad(struct brcmf_sdio *bus, u16 *pad, u16 *rdlen) { if (bus->roundup && bus->blocksize && *rdlen > bus->blocksize) { *pad = bus->blocksize - (*rdlen % bus->blocksize); if (*pad <= bus->roundup && *pad < bus->blocksize && *rdlen + *pad + BRCMF_FIRSTREAD < MAX_RX_DATASZ) *rdlen += *pad; - } else if (*rdlen % BRCMF_SDALIGN) { - *rdlen += BRCMF_SDALIGN - (*rdlen % BRCMF_SDALIGN); + } else if (*rdlen % bus->head_align) { + *rdlen += bus->head_align - (*rdlen % bus->head_align); } } @@ -1593,10 +1843,9 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) struct sk_buff *pkt; /* Packet for event or data frames */ u16 pad; /* Number of pad bytes to read */ uint rxleft = 0; /* Remaining number of frames allowed */ - int sdret; /* Return code from calls */ - int ifidx = 0; + int ret; /* Return code from calls */ uint rxcount = 0; /* Total frames read */ - struct brcmf_sdio_read *rd = &bus->cur_read, rd_new; + struct brcmf_sdio_hdrinfo *rd = &bus->cur_read, rd_new; u8 head_read = 0; brcmf_dbg(TRACE, "Enter\n"); @@ -1605,8 +1854,7 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) bus->rxpending = true; for (rd->seq_num = bus->rx_seq, rxleft = maxframes; - !bus->rxskip && rxleft && - bus->sdiodev->bus_if->state != BRCMF_BUS_DOWN; + !bus->rxskip && rxleft && brcmf_bus_ready(bus->sdiodev->bus_if); rd->seq_num++, rxleft--) { /* Handle glomming separately */ @@ -1614,7 +1862,7 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) u8 cnt; brcmf_dbg(GLOM, "calling rxglom: glomd %p, glom %p\n", bus->glomd, skb_peek(&bus->glom)); - cnt = brcmf_sdbrcm_rxglom(bus, rd->seq_num); + cnt = brcmf_sdio_rxglom(bus, rd->seq_num); brcmf_dbg(GLOM, "rxglom returned %d\n", cnt); rd->seq_num += cnt - 1; rxleft = (rxleft > cnt) ? (rxleft - cnt) : 1; @@ -1623,18 +1871,17 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) rd->len_left = rd->len; /* read header first for unknow frame length */ + sdio_claim_host(bus->sdiodev->func[1]); if (!rd->len) { - sdret = brcmf_sdcard_recv_buf(bus->sdiodev, - bus->sdiodev->sbwad, - SDIO_FUNC_2, F2SYNC, - bus->rxhdr, - BRCMF_FIRSTREAD); + ret = brcmf_sdiod_recv_buf(bus->sdiodev, + bus->rxhdr, BRCMF_FIRSTREAD); bus->sdcnt.f2rxhdrs++; - if (sdret < 0) { - brcmf_dbg(ERROR, "RXHEADER FAILED: %d\n", - sdret); + if (ret < 0) { + brcmf_err("RXHEADER FAILED: %d\n", + ret); bus->sdcnt.rx_hdrfail++; - brcmf_sdbrcm_rxfail(bus, true, true); + brcmf_sdio_rxfail(bus, true, true); + sdio_release_host(bus->sdiodev->func[1]); continue; } @@ -1642,7 +1889,9 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) bus->rxhdr, SDPCM_HDRLEN, "RxHdr:\n"); - if (!brcmf_sdio_hdparser(bus, bus->rxhdr, rd)) { + if (brcmf_sdio_hdparse(bus, bus->rxhdr, rd, + BRCMF_SDIO_FT_NORMAL)) { + sdio_release_host(bus->sdiodev->func[1]); if (!bus->rxpending) break; else @@ -1650,14 +1899,15 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) } if (rd->channel == SDPCM_CONTROL_CHANNEL) { - brcmf_sdbrcm_read_control(bus, bus->rxhdr, - rd->len, - rd->dat_offset); + brcmf_sdio_read_control(bus, bus->rxhdr, + rd->len, + rd->dat_offset); /* prepare the descriptor for the next read */ rd->len = rd->len_nxtfrm << 4; rd->len_nxtfrm = 0; /* treat all packet as event if we don't know */ rd->channel = SDPCM_EVENT_CHANNEL; + sdio_release_host(bus->sdiodev->func[1]); continue; } rd->len_left = rd->len > BRCMF_FIRSTREAD ? @@ -1665,32 +1915,33 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) head_read = BRCMF_FIRSTREAD; } - brcmf_pad(bus, &pad, &rd->len_left); + brcmf_sdio_pad(bus, &pad, &rd->len_left); pkt = brcmu_pkt_buf_get_skb(rd->len_left + head_read + - BRCMF_SDALIGN); + bus->head_align); if (!pkt) { /* Give up on data, request rtx of events */ - brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed\n"); - bus->sdiodev->bus_if->dstats.rx_dropped++; - brcmf_sdbrcm_rxfail(bus, false, + brcmf_err("brcmu_pkt_buf_get_skb failed\n"); + brcmf_sdio_rxfail(bus, false, RETRYCHAN(rd->channel)); + sdio_release_host(bus->sdiodev->func[1]); continue; } skb_pull(pkt, head_read); - pkt_align(pkt, rd->len_left, BRCMF_SDALIGN); + pkt_align(pkt, rd->len_left, bus->head_align); - sdret = brcmf_sdcard_recv_pkt(bus->sdiodev, bus->sdiodev->sbwad, - SDIO_FUNC_2, F2SYNC, pkt); + ret = brcmf_sdiod_recv_pkt(bus->sdiodev, pkt); bus->sdcnt.f2rxdata++; + sdio_release_host(bus->sdiodev->func[1]); - if (sdret < 0) { - brcmf_dbg(ERROR, "read %d bytes from channel %d failed: %d\n", - rd->len, rd->channel, sdret); + if (ret < 0) { + brcmf_err("read %d bytes from channel %d failed: %d\n", + rd->len, rd->channel, ret); brcmu_pkt_buf_free_skb(pkt); - bus->sdiodev->bus_if->dstats.rx_errors++; - brcmf_sdbrcm_rxfail(bus, true, + sdio_claim_host(bus->sdiodev->func[1]); + brcmf_sdio_rxfail(bus, true, RETRYCHAN(rd->channel)); + sdio_release_host(bus->sdiodev->func[1]); continue; } @@ -1701,20 +1952,24 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) } else { memcpy(bus->rxhdr, pkt->data, SDPCM_HDRLEN); rd_new.seq_num = rd->seq_num; - if (!brcmf_sdio_hdparser(bus, bus->rxhdr, &rd_new)) { + sdio_claim_host(bus->sdiodev->func[1]); + if (brcmf_sdio_hdparse(bus, bus->rxhdr, &rd_new, + BRCMF_SDIO_FT_NORMAL)) { rd->len = 0; brcmu_pkt_buf_free_skb(pkt); } bus->sdcnt.rx_readahead_cnt++; if (rd->len != roundup(rd_new.len, 16)) { - brcmf_dbg(ERROR, "frame length mismatch:read %d, should be %d\n", + brcmf_err("frame length mismatch:read %d, should be %d\n", rd->len, roundup(rd_new.len, 16) >> 4); rd->len = 0; - brcmf_sdbrcm_rxfail(bus, true, true); + brcmf_sdio_rxfail(bus, true, true); + sdio_release_host(bus->sdiodev->func[1]); brcmu_pkt_buf_free_skb(pkt); continue; } + sdio_release_host(bus->sdiodev->func[1]); rd->len_nxtfrm = rd_new.len_nxtfrm; rd->channel = rd_new.channel; rd->dat_offset = rd_new.dat_offset; @@ -1726,11 +1981,13 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) "RxHdr:\n"); if (rd_new.channel == SDPCM_CONTROL_CHANNEL) { - brcmf_dbg(ERROR, "readahead on control packet %d?\n", + brcmf_err("readahead on control packet %d?\n", rd_new.seq_num); /* Force retry w/normal header read */ rd->len = 0; - brcmf_sdbrcm_rxfail(bus, false, true); + sdio_claim_host(bus->sdiodev->func[1]); + brcmf_sdio_rxfail(bus, false, true); + sdio_release_host(bus->sdiodev->func[1]); brcmu_pkt_buf_free_skb(pkt); continue; } @@ -1741,7 +1998,7 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) /* Save superframe descriptor and allocate packet frame */ if (rd->channel == SDPCM_GLOM_CHANNEL) { - if (SDPCM_GLOMDESC(&bus->rxhdr[SDPCM_FRAMETAG_LEN])) { + if (SDPCM_GLOMDESC(&bus->rxhdr[SDPCM_HWHDR_LEN])) { brcmf_dbg(GLOM, "glom descriptor, %d bytes:\n", rd->len); brcmf_dbg_hex_dump(BRCMF_GLOM_ON(), @@ -1751,9 +2008,11 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) skb_pull(pkt, SDPCM_HDRLEN); bus->glomd = pkt; } else { - brcmf_dbg(ERROR, "%s: glom superframe w/o " + brcmf_err("%s: glom superframe w/o " "descriptor!\n", __func__); - brcmf_sdbrcm_rxfail(bus, false, false); + sdio_claim_host(bus->sdiodev->func[1]); + brcmf_sdio_rxfail(bus, false, false); + sdio_release_host(bus->sdiodev->func[1]); } /* prepare the descriptor for the next read */ rd->len = rd->len_nxtfrm << 4; @@ -1776,18 +2035,9 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) if (pkt->len == 0) { brcmu_pkt_buf_free_skb(pkt); continue; - } else if (brcmf_proto_hdrpull(bus->sdiodev->dev, &ifidx, - pkt) != 0) { - brcmf_dbg(ERROR, "rx protocol error\n"); - brcmu_pkt_buf_free_skb(pkt); - bus->sdiodev->bus_if->dstats.rx_errors++; - continue; } - /* Unlock during rx call */ - up(&bus->sdsem); - brcmf_rx_packet(bus->sdiodev->dev, ifidx, pkt); - down(&bus->sdsem); + brcmf_rx_frame(bus->sdiodev->dev, pkt); } rxcount = maxframes - rxleft; @@ -1805,194 +2055,307 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) } static void -brcmf_sdbrcm_wait_for_event(struct brcmf_sdio *bus, bool *lockvar) -{ - up(&bus->sdsem); - wait_event_interruptible_timeout(bus->ctrl_wait, !*lockvar, HZ * 2); - down(&bus->sdsem); - return; -} - -static void -brcmf_sdbrcm_wait_event_wakeup(struct brcmf_sdio *bus) +brcmf_sdio_wait_event_wakeup(struct brcmf_sdio *bus) { if (waitqueue_active(&bus->ctrl_wait)) wake_up_interruptible(&bus->ctrl_wait); return; } -/* Writes a HW/SW header into the packet and sends it. */ -/* Assumes: (a) header space already there, (b) caller holds lock */ -static int brcmf_sdbrcm_txpkt(struct brcmf_sdio *bus, struct sk_buff *pkt, - uint chan, bool free_pkt) +static int brcmf_sdio_txpkt_hdalign(struct brcmf_sdio *bus, struct sk_buff *pkt) { - int ret; - u8 *frame; - u16 len, pad = 0; - u32 swheader; - struct sk_buff *new; - int i; + u16 head_pad; + u8 *dat_buf; - brcmf_dbg(TRACE, "Enter\n"); + dat_buf = (u8 *)(pkt->data); - frame = (u8 *) (pkt->data); - - /* Add alignment padding, allocate new packet if needed */ - pad = ((unsigned long)frame % BRCMF_SDALIGN); - if (pad) { - if (skb_headroom(pkt) < pad) { - brcmf_dbg(INFO, "insufficient headroom %d for %d pad\n", - skb_headroom(pkt), pad); + /* Check head padding */ + head_pad = ((unsigned long)dat_buf % bus->head_align); + if (head_pad) { + if (skb_headroom(pkt) < head_pad) { bus->sdiodev->bus_if->tx_realloc++; - new = brcmu_pkt_buf_get_skb(pkt->len + BRCMF_SDALIGN); - if (!new) { - brcmf_dbg(ERROR, "couldn't allocate new %d-byte packet\n", - pkt->len + BRCMF_SDALIGN); - ret = -ENOMEM; - goto done; - } - - pkt_align(new, pkt->len, BRCMF_SDALIGN); - memcpy(new->data, pkt->data, pkt->len); - if (free_pkt) - brcmu_pkt_buf_free_skb(pkt); - /* free the pkt if canned one is not used */ - free_pkt = true; - pkt = new; - frame = (u8 *) (pkt->data); - /* precondition: (frame % BRCMF_SDALIGN) == 0) */ - pad = 0; - } else { - skb_push(pkt, pad); - frame = (u8 *) (pkt->data); - /* precondition: pad + SDPCM_HDRLEN <= pkt->len */ - memset(frame, 0, pad + SDPCM_HDRLEN); + head_pad = 0; + if (skb_cow(pkt, head_pad)) + return -ENOMEM; } + skb_push(pkt, head_pad); + dat_buf = (u8 *)(pkt->data); + memset(dat_buf, 0, head_pad + bus->tx_hdrlen); } - /* precondition: pad < BRCMF_SDALIGN */ + return head_pad; +} - /* Hardware tag: 2 byte len followed by 2 byte ~len check (all LE) */ - len = (u16) (pkt->len); - *(__le16 *) frame = cpu_to_le16(len); - *(((__le16 *) frame) + 1) = cpu_to_le16(~len); +/** + * struct brcmf_skbuff_cb reserves first two bytes in sk_buff::cb for + * bus layer usage. + */ +/* flag marking a dummy skb added for DMA alignment requirement */ +#define ALIGN_SKB_FLAG 0x8000 +/* bit mask of data length chopped from the previous packet */ +#define ALIGN_SKB_CHOP_LEN_MASK 0x7fff + +static int brcmf_sdio_txpkt_prep_sg(struct brcmf_sdio *bus, + struct sk_buff_head *pktq, + struct sk_buff *pkt, u16 total_len) +{ + struct brcmf_sdio_dev *sdiodev; + struct sk_buff *pkt_pad; + u16 tail_pad, tail_chop, chain_pad; + unsigned int blksize; + bool lastfrm; + int ntail, ret; + + sdiodev = bus->sdiodev; + blksize = sdiodev->func[SDIO_FUNC_2]->cur_blksize; + /* sg entry alignment should be a divisor of block size */ + WARN_ON(blksize % bus->sgentry_align); + + /* Check tail padding */ + lastfrm = skb_queue_is_last(pktq, pkt); + tail_pad = 0; + tail_chop = pkt->len % bus->sgentry_align; + if (tail_chop) + tail_pad = bus->sgentry_align - tail_chop; + chain_pad = (total_len + tail_pad) % blksize; + if (lastfrm && chain_pad) + tail_pad += blksize - chain_pad; + if (skb_tailroom(pkt) < tail_pad && pkt->len > blksize) { + pkt_pad = brcmu_pkt_buf_get_skb(tail_pad + tail_chop + + bus->head_align); + if (pkt_pad == NULL) + return -ENOMEM; + ret = brcmf_sdio_txpkt_hdalign(bus, pkt_pad); + if (unlikely(ret < 0)) { + kfree_skb(pkt_pad); + return ret; + } + memcpy(pkt_pad->data, + pkt->data + pkt->len - tail_chop, + tail_chop); + *(u16 *)(pkt_pad->cb) = ALIGN_SKB_FLAG + tail_chop; + skb_trim(pkt, pkt->len - tail_chop); + skb_trim(pkt_pad, tail_pad + tail_chop); + __skb_queue_after(pktq, pkt, pkt_pad); + } else { + ntail = pkt->data_len + tail_pad - + (pkt->end - pkt->tail); + if (skb_cloned(pkt) || ntail > 0) + if (pskb_expand_head(pkt, 0, ntail, GFP_ATOMIC)) + return -ENOMEM; + if (skb_linearize(pkt)) + return -ENOMEM; + __skb_put(pkt, tail_pad); + } - /* Software tag: channel, sequence number, data offset */ - swheader = - ((chan << SDPCM_CHANNEL_SHIFT) & SDPCM_CHANNEL_MASK) | bus->tx_seq | - (((pad + - SDPCM_HDRLEN) << SDPCM_DOFFSET_SHIFT) & SDPCM_DOFFSET_MASK); + return tail_pad; +} - put_unaligned_le32(swheader, frame + SDPCM_FRAMETAG_LEN); - put_unaligned_le32(0, frame + SDPCM_FRAMETAG_LEN + sizeof(swheader)); +/** + * brcmf_sdio_txpkt_prep - packet preparation for transmit + * @bus: brcmf_sdio structure pointer + * @pktq: packet list pointer + * @chan: virtual channel to transmit the packet + * + * Processes to be applied to the packet + * - Align data buffer pointer + * - Align data buffer length + * - Prepare header + * Return: negative value if there is error + */ +static int +brcmf_sdio_txpkt_prep(struct brcmf_sdio *bus, struct sk_buff_head *pktq, + uint chan) +{ + u16 head_pad, total_len; + struct sk_buff *pkt_next; + u8 txseq; + int ret; + struct brcmf_sdio_hdrinfo hd_info = {0}; + + txseq = bus->tx_seq; + total_len = 0; + skb_queue_walk(pktq, pkt_next) { + /* alignment packet inserted in previous + * loop cycle can be skipped as it is + * already properly aligned and does not + * need an sdpcm header. + */ + if (*(u16 *)(pkt_next->cb) & ALIGN_SKB_FLAG) + continue; -#ifdef DEBUG - tx_packets[pkt->priority]++; -#endif + /* align packet data pointer */ + ret = brcmf_sdio_txpkt_hdalign(bus, pkt_next); + if (ret < 0) + return ret; + head_pad = (u16)ret; + if (head_pad) + memset(pkt_next->data + bus->tx_hdrlen, 0, head_pad); + + total_len += pkt_next->len; + + hd_info.len = pkt_next->len; + hd_info.lastfrm = skb_queue_is_last(pktq, pkt_next); + if (bus->txglom && pktq->qlen > 1) { + ret = brcmf_sdio_txpkt_prep_sg(bus, pktq, + pkt_next, total_len); + if (ret < 0) + return ret; + hd_info.tail_pad = (u16)ret; + total_len += (u16)ret; + } - brcmf_dbg_hex_dump(BRCMF_BYTES_ON() && - ((BRCMF_CTL_ON() && chan == SDPCM_CONTROL_CHANNEL) || - (BRCMF_DATA_ON() && chan != SDPCM_CONTROL_CHANNEL)), - frame, len, "Tx Frame:\n"); - brcmf_dbg_hex_dump(!(BRCMF_BYTES_ON() && - ((BRCMF_CTL_ON() && - chan == SDPCM_CONTROL_CHANNEL) || - (BRCMF_DATA_ON() && - chan != SDPCM_CONTROL_CHANNEL))) && - BRCMF_HDRS_ON(), - frame, min_t(u16, len, 16), "TxHdr:\n"); + hd_info.channel = chan; + hd_info.dat_offset = head_pad + bus->tx_hdrlen; + hd_info.seq_num = txseq++; + + /* Now fill the header */ + brcmf_sdio_hdpack(bus, pkt_next->data, &hd_info); + + if (BRCMF_BYTES_ON() && + ((BRCMF_CTL_ON() && chan == SDPCM_CONTROL_CHANNEL) || + (BRCMF_DATA_ON() && chan != SDPCM_CONTROL_CHANNEL))) + brcmf_dbg_hex_dump(true, pkt_next->data, hd_info.len, + "Tx Frame:\n"); + else if (BRCMF_HDRS_ON()) + brcmf_dbg_hex_dump(true, pkt_next->data, + head_pad + bus->tx_hdrlen, + "Tx Header:\n"); + } + /* Hardware length tag of the first packet should be total + * length of the chain (including padding) + */ + if (bus->txglom) + brcmf_sdio_update_hwhdr(pktq->next->data, total_len); + return 0; +} - /* Raise len to next SDIO block to eliminate tail command */ - if (bus->roundup && bus->blocksize && (len > bus->blocksize)) { - u16 pad = bus->blocksize - (len % bus->blocksize); - if ((pad <= bus->roundup) && (pad < bus->blocksize)) - len += pad; - } else if (len % BRCMF_SDALIGN) { - len += BRCMF_SDALIGN - (len % BRCMF_SDALIGN); +/** + * brcmf_sdio_txpkt_postp - packet post processing for transmit + * @bus: brcmf_sdio structure pointer + * @pktq: packet list pointer + * + * Processes to be applied to the packet + * - Remove head padding + * - Remove tail padding + */ +static void +brcmf_sdio_txpkt_postp(struct brcmf_sdio *bus, struct sk_buff_head *pktq) +{ + u8 *hdr; + u32 dat_offset; + u16 tail_pad; + u16 dummy_flags, chop_len; + struct sk_buff *pkt_next, *tmp, *pkt_prev; + + skb_queue_walk_safe(pktq, pkt_next, tmp) { + dummy_flags = *(u16 *)(pkt_next->cb); + if (dummy_flags & ALIGN_SKB_FLAG) { + chop_len = dummy_flags & ALIGN_SKB_CHOP_LEN_MASK; + if (chop_len) { + pkt_prev = pkt_next->prev; + skb_put(pkt_prev, chop_len); + } + __skb_unlink(pkt_next, pktq); + brcmu_pkt_buf_free_skb(pkt_next); + } else { + hdr = pkt_next->data + bus->tx_hdrlen - SDPCM_SWHDR_LEN; + dat_offset = le32_to_cpu(*(__le32 *)hdr); + dat_offset = (dat_offset & SDPCM_DOFFSET_MASK) >> + SDPCM_DOFFSET_SHIFT; + skb_pull(pkt_next, dat_offset); + if (bus->txglom) { + tail_pad = le16_to_cpu(*(__le16 *)(hdr - 2)); + skb_trim(pkt_next, pkt_next->len - tail_pad); + } + } } +} - /* Some controllers have trouble with odd bytes -- round to even */ - if (len & (ALIGNMENT - 1)) - len = roundup(len, ALIGNMENT); +/* Writes a HW/SW header into the packet and sends it. */ +/* Assumes: (a) header space already there, (b) caller holds lock */ +static int brcmf_sdio_txpkt(struct brcmf_sdio *bus, struct sk_buff_head *pktq, + uint chan) +{ + int ret; + struct sk_buff *pkt_next, *tmp; - ret = brcmf_sdcard_send_pkt(bus->sdiodev, bus->sdiodev->sbwad, - SDIO_FUNC_2, F2SYNC, pkt); - bus->sdcnt.f2txdata++; + brcmf_dbg(TRACE, "Enter\n"); - if (ret < 0) { - /* On failure, abort the command and terminate the frame */ - brcmf_dbg(INFO, "sdio error %d, abort command and terminate frame\n", - ret); - bus->sdcnt.tx_sderrs++; + ret = brcmf_sdio_txpkt_prep(bus, pktq, chan); + if (ret) + goto done; - brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2); - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL, - SFC_WF_TERM, NULL); - bus->sdcnt.f1regdata++; + sdio_claim_host(bus->sdiodev->func[1]); + ret = brcmf_sdiod_send_pkt(bus->sdiodev, pktq); + bus->sdcnt.f2txdata++; - for (i = 0; i < 3; i++) { - u8 hi, lo; - hi = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_WFRAMEBCHI, NULL); - lo = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_WFRAMEBCLO, NULL); - bus->sdcnt.f1regdata += 2; - if ((hi == 0) && (lo == 0)) - break; - } + if (ret < 0) + brcmf_sdio_txfail(bus); - } - if (ret == 0) - bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; + sdio_release_host(bus->sdiodev->func[1]); done: - /* restore pkt buffer pointer before calling tx complete routine */ - skb_pull(pkt, SDPCM_HDRLEN + pad); - up(&bus->sdsem); - brcmf_txcomplete(bus->sdiodev->dev, pkt, ret != 0); - down(&bus->sdsem); - - if (free_pkt) - brcmu_pkt_buf_free_skb(pkt); - + brcmf_sdio_txpkt_postp(bus, pktq); + if (ret == 0) + bus->tx_seq = (bus->tx_seq + pktq->qlen) % SDPCM_SEQ_WRAP; + skb_queue_walk_safe(pktq, pkt_next, tmp) { + __skb_unlink(pkt_next, pktq); + brcmf_txcomplete(bus->sdiodev->dev, pkt_next, ret == 0); + } return ret; } -static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes) +static uint brcmf_sdio_sendfromq(struct brcmf_sdio *bus, uint maxframes) { struct sk_buff *pkt; + struct sk_buff_head pktq; u32 intstatus = 0; - int ret = 0, prec_out; + int ret = 0, prec_out, i; uint cnt = 0; - uint datalen; - u8 tx_prec_map; + u8 tx_prec_map, pkt_num; brcmf_dbg(TRACE, "Enter\n"); tx_prec_map = ~bus->flowcontrol; /* Send frames until the limit or some other event */ - for (cnt = 0; (cnt < maxframes) && data_ok(bus); cnt++) { - spin_lock_bh(&bus->txqlock); - pkt = brcmu_pktq_mdeq(&bus->txq, tx_prec_map, &prec_out); - if (pkt == NULL) { - spin_unlock_bh(&bus->txqlock); + for (cnt = 0; (cnt < maxframes) && data_ok(bus);) { + pkt_num = 1; + if (down_interruptible(&bus->tx_seq_lock)) + return cnt; + if (bus->txglom) + pkt_num = min_t(u8, bus->tx_max - bus->tx_seq, + bus->sdiodev->txglomsz); + pkt_num = min_t(u32, pkt_num, + brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol)); + __skb_queue_head_init(&pktq); + spin_lock_bh(&bus->txq_lock); + for (i = 0; i < pkt_num; i++) { + pkt = brcmu_pktq_mdeq(&bus->txq, tx_prec_map, + &prec_out); + if (pkt == NULL) + break; + __skb_queue_tail(&pktq, pkt); + } + spin_unlock_bh(&bus->txq_lock); + if (i == 0) { + up(&bus->tx_seq_lock); break; } - spin_unlock_bh(&bus->txqlock); - datalen = pkt->len - SDPCM_HDRLEN; - ret = brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_DATA_CHANNEL, true); - if (ret) - bus->sdiodev->bus_if->dstats.tx_errors++; - else - bus->sdiodev->bus_if->dstats.tx_bytes += datalen; + ret = brcmf_sdio_txpkt(bus, &pktq, SDPCM_DATA_CHANNEL); + up(&bus->tx_seq_lock); + + cnt += i; /* In poll mode, need to check for other events */ - if (!bus->intr && cnt) { + if (!bus->intr) { /* Check device status, signal pending interrupt */ + sdio_claim_host(bus->sdiodev->func[1]); ret = r_sdreg32(bus, &intstatus, offsetof(struct sdpcmd_regs, intstatus)); + sdio_release_host(bus->sdiodev->func[1]); bus->sdcnt.f2txdata++; if (ret != 0) break; @@ -2002,8 +2365,7 @@ static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes) } /* Deflow-control stack if needed */ - if (bus->sdiodev->bus_if->drvr_up && - (bus->sdiodev->bus_if->state == BRCMF_BUS_DATA) && + if ((bus->sdiodev->bus_if->state == BRCMF_BUS_DATA) && bus->txoff && (pktq_len(&bus->txq) < TXLOW)) { bus->txoff = false; brcmf_txflowblock(bus->sdiodev->dev, false); @@ -2012,7 +2374,69 @@ static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes) return cnt; } -static void brcmf_sdbrcm_bus_stop(struct device *dev) +static int brcmf_sdio_tx_ctrlframe(struct brcmf_sdio *bus, u8 *frame, u16 len) +{ + u8 doff; + u16 pad; + uint retries = 0; + struct brcmf_sdio_hdrinfo hd_info = {0}; + int ret; + + brcmf_dbg(TRACE, "Enter\n"); + + /* Back the pointer to make room for bus header */ + frame -= bus->tx_hdrlen; + len += bus->tx_hdrlen; + + /* Add alignment padding (optional for ctl frames) */ + doff = ((unsigned long)frame % bus->head_align); + if (doff) { + frame -= doff; + len += doff; + memset(frame + bus->tx_hdrlen, 0, doff); + } + + /* Round send length to next SDIO block */ + pad = 0; + if (bus->roundup && bus->blocksize && (len > bus->blocksize)) { + pad = bus->blocksize - (len % bus->blocksize); + if ((pad > bus->roundup) || (pad >= bus->blocksize)) + pad = 0; + } else if (len % bus->head_align) { + pad = bus->head_align - (len % bus->head_align); + } + len += pad; + + hd_info.len = len - pad; + hd_info.channel = SDPCM_CONTROL_CHANNEL; + hd_info.dat_offset = doff + bus->tx_hdrlen; + hd_info.seq_num = bus->tx_seq; + hd_info.lastfrm = true; + hd_info.tail_pad = pad; + brcmf_sdio_hdpack(bus, frame, &hd_info); + + if (bus->txglom) + brcmf_sdio_update_hwhdr(frame, len); + + brcmf_dbg_hex_dump(BRCMF_BYTES_ON() && BRCMF_CTL_ON(), + frame, len, "Tx Frame:\n"); + brcmf_dbg_hex_dump(!(BRCMF_BYTES_ON() && BRCMF_CTL_ON()) && + BRCMF_HDRS_ON(), + frame, min_t(u16, len, 16), "TxHdr:\n"); + + do { + ret = brcmf_sdiod_send_buf(bus->sdiodev, frame, len); + + if (ret < 0) + brcmf_sdio_txfail(bus); + else + bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQ_WRAP; + } while (ret < 0 && retries++ < TXRETRIES); + + return ret; +} + +static void brcmf_sdio_bus_stop(struct device *dev) { u32 local_hostintmask; u8 saveclk; @@ -2029,198 +2453,153 @@ static void brcmf_sdbrcm_bus_stop(struct device *dev) bus->watchdog_tsk = NULL; } - down(&bus->sdsem); - - /* Enable clock for device interrupts */ - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); + if (bus_if->state == BRCMF_BUS_DOWN) { + sdio_claim_host(sdiodev->func[1]); + + /* Enable clock for device interrupts */ + brcmf_sdio_bus_sleep(bus, false, false); + + /* Disable and clear interrupts at the chip level also */ + w_sdreg32(bus, 0, offsetof(struct sdpcmd_regs, hostintmask)); + local_hostintmask = bus->hostintmask; + bus->hostintmask = 0; + + /* Force backplane clocks to assure F2 interrupt propagates */ + saveclk = brcmf_sdiod_regrb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, + &err); + if (!err) + brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, + (saveclk | SBSDIO_FORCE_HT), &err); + if (err) + brcmf_err("Failed to force clock for F2: err %d\n", + err); - /* Disable and clear interrupts at the chip level also */ - w_sdreg32(bus, 0, offsetof(struct sdpcmd_regs, hostintmask)); - local_hostintmask = bus->hostintmask; - bus->hostintmask = 0; + /* Turn off the bus (F2), free any pending packets */ + brcmf_dbg(INTR, "disable SDIO interrupts\n"); + sdio_disable_func(sdiodev->func[SDIO_FUNC_2]); - /* Change our idea of bus state */ - bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN; + /* Clear any pending interrupts now that F2 is disabled */ + w_sdreg32(bus, local_hostintmask, + offsetof(struct sdpcmd_regs, intstatus)); - /* Force clocks on backplane to be sure F2 interrupt propagates */ - saveclk = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, &err); - if (!err) { - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - (saveclk | SBSDIO_FORCE_HT), &err); + sdio_release_host(sdiodev->func[1]); } - if (err) - brcmf_dbg(ERROR, "Failed to force clock for F2: err %d\n", err); - - /* Turn off the bus (F2), free any pending packets */ - brcmf_dbg(INTR, "disable SDIO interrupts\n"); - brcmf_sdio_regwb(bus->sdiodev, SDIO_CCCR_IOEx, SDIO_FUNC_ENABLE_1, - NULL); - - /* Clear any pending interrupts now that F2 is disabled */ - w_sdreg32(bus, local_hostintmask, - offsetof(struct sdpcmd_regs, intstatus)); - - /* Turn off the backplane clock (only) */ - brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false); - /* Clear the data packet queues */ brcmu_pktq_flush(&bus->txq, true, NULL, NULL); /* Clear any held glomming stuff */ if (bus->glomd) brcmu_pkt_buf_free_skb(bus->glomd); - brcmf_sdbrcm_free_glom(bus); + brcmf_sdio_free_glom(bus); /* Clear rx control and wake any waiters */ + spin_lock_bh(&bus->rxctl_lock); bus->rxlen = 0; - brcmf_sdbrcm_dcmd_resp_wake(bus); + spin_unlock_bh(&bus->rxctl_lock); + brcmf_sdio_dcmd_resp_wake(bus); /* Reset some F2 state stuff */ bus->rxskip = false; bus->tx_seq = bus->rx_seq = 0; - - up(&bus->sdsem); } -#ifdef CONFIG_BRCMFMAC_SDIO_OOB -static inline void brcmf_sdbrcm_clrintr(struct brcmf_sdio *bus) +static inline void brcmf_sdio_clrintr(struct brcmf_sdio *bus) { unsigned long flags; - spin_lock_irqsave(&bus->sdiodev->irq_en_lock, flags); - if (!bus->sdiodev->irq_en && !atomic_read(&bus->ipend)) { - enable_irq(bus->sdiodev->irq); - bus->sdiodev->irq_en = true; + if (bus->sdiodev->oob_irq_requested) { + spin_lock_irqsave(&bus->sdiodev->irq_en_lock, flags); + if (!bus->sdiodev->irq_en && !atomic_read(&bus->ipend)) { + enable_irq(bus->sdiodev->pdata->oob_irq_nr); + bus->sdiodev->irq_en = true; + } + spin_unlock_irqrestore(&bus->sdiodev->irq_en_lock, flags); } - spin_unlock_irqrestore(&bus->sdiodev->irq_en_lock, flags); -} -#else -static inline void brcmf_sdbrcm_clrintr(struct brcmf_sdio *bus) -{ } -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ -static inline void brcmf_sdbrcm_adddpctsk(struct brcmf_sdio *bus) +static void atomic_orr(int val, atomic_t *v) { - struct list_head *new_hd; - unsigned long flags; + int old_val; - if (in_interrupt()) - new_hd = kzalloc(sizeof(struct list_head), GFP_ATOMIC); - else - new_hd = kzalloc(sizeof(struct list_head), GFP_KERNEL); - if (new_hd == NULL) - return; - - spin_lock_irqsave(&bus->dpc_tl_lock, flags); - list_add_tail(new_hd, &bus->dpc_tsklst); - spin_unlock_irqrestore(&bus->dpc_tl_lock, flags); + old_val = atomic_read(v); + while (atomic_cmpxchg(v, old_val, val | old_val) != old_val) + old_val = atomic_read(v); } static int brcmf_sdio_intr_rstatus(struct brcmf_sdio *bus) { - u8 idx; + struct brcmf_core *buscore; u32 addr; unsigned long val; - int n, ret; + int ret; - idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV); - addr = bus->ci->c_inf[idx].base + - offsetof(struct sdpcmd_regs, intstatus); + buscore = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV); + addr = buscore->base + offsetof(struct sdpcmd_regs, intstatus); - ret = brcmf_sdio_regrw_helper(bus->sdiodev, addr, &val, false); + val = brcmf_sdiod_regrl(bus->sdiodev, addr, &ret); bus->sdcnt.f1regdata++; if (ret != 0) - val = 0; + return ret; val &= bus->hostintmask; atomic_set(&bus->fcstate, !!(val & I_HMB_FC_STATE)); /* Clear interrupts */ if (val) { - ret = brcmf_sdio_regrw_helper(bus->sdiodev, addr, &val, true); + brcmf_sdiod_regwl(bus->sdiodev, addr, val, &ret); bus->sdcnt.f1regdata++; - } - - if (ret) { - atomic_set(&bus->intstatus, 0); - } else if (val) { - for_each_set_bit(n, &val, 32) - set_bit(n, (unsigned long *)&bus->intstatus.counter); + atomic_orr(val, &bus->intstatus); } return ret; } -static void brcmf_sdbrcm_dpc(struct brcmf_sdio *bus) +static void brcmf_sdio_dpc(struct brcmf_sdio *bus) { u32 newstatus = 0; unsigned long intstatus; - uint rxlimit = bus->rxbound; /* Rx frames to read before resched */ uint txlimit = bus->txbound; /* Tx frames to send before resched */ - uint framecnt = 0; /* Temporary counter of tx/rx frames */ - int err = 0, n; + uint framecnt; /* Temporary counter of tx/rx frames */ + int err = 0; brcmf_dbg(TRACE, "Enter\n"); - down(&bus->sdsem); + sdio_claim_host(bus->sdiodev->func[1]); /* If waiting for HTAVAIL, check status */ - if (bus->clkstate == CLK_PENDING) { + if (!bus->sr_enabled && bus->clkstate == CLK_PENDING) { u8 clkctl, devctl = 0; #ifdef DEBUG /* Check for inconsistent device control */ - devctl = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_DEVICE_CTL, &err); - if (err) { - brcmf_dbg(ERROR, "error reading DEVCTL: %d\n", err); - bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN; - } + devctl = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_DEVICE_CTL, &err); #endif /* DEBUG */ /* Read CSR, if clock on switch to AVAIL, else ignore */ - clkctl = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, &err); - if (err) { - brcmf_dbg(ERROR, "error reading CSR: %d\n", - err); - bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN; - } + clkctl = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_FUNC1_CHIPCLKCSR, &err); - brcmf_dbg(INFO, "DPC: PENDING, devctl 0x%02x clkctl 0x%02x\n", + brcmf_dbg(SDIO, "DPC: PENDING, devctl 0x%02x clkctl 0x%02x\n", devctl, clkctl); if (SBSDIO_HTAV(clkctl)) { - devctl = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_DEVICE_CTL, &err); - if (err) { - brcmf_dbg(ERROR, "error reading DEVCTL: %d\n", - err); - bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN; - } + devctl = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_DEVICE_CTL, &err); devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, - devctl, &err); - if (err) { - brcmf_dbg(ERROR, "error writing DEVCTL: %d\n", - err); - bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN; - } + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, + devctl, &err); bus->clkstate = CLK_AVAIL; } } /* Make sure backplane clock is on */ - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, true); + brcmf_sdio_bus_sleep(bus, false, true); /* Pending interrupt indicates new device status */ if (atomic_read(&bus->ipend) > 0) { atomic_set(&bus->ipend, 0); - sdio_claim_host(bus->sdiodev->func[1]); err = brcmf_sdio_intr_rstatus(bus); - sdio_release_host(bus->sdiodev->func[1]); } /* Start with leftover status bits */ @@ -2246,22 +2625,24 @@ static void brcmf_sdbrcm_dpc(struct brcmf_sdio *bus) /* Handle host mailbox indication */ if (intstatus & I_HMB_HOST_INT) { intstatus &= ~I_HMB_HOST_INT; - intstatus |= brcmf_sdbrcm_hostmail(bus); + intstatus |= brcmf_sdio_hostmail(bus); } + sdio_release_host(bus->sdiodev->func[1]); + /* Generally don't ask for these, can get CRC errors... */ if (intstatus & I_WR_OOSYNC) { - brcmf_dbg(ERROR, "Dongle reports WR_OOSYNC\n"); + brcmf_err("Dongle reports WR_OOSYNC\n"); intstatus &= ~I_WR_OOSYNC; } if (intstatus & I_RD_OOSYNC) { - brcmf_dbg(ERROR, "Dongle reports RD_OOSYNC\n"); + brcmf_err("Dongle reports RD_OOSYNC\n"); intstatus &= ~I_RD_OOSYNC; } if (intstatus & I_SBINT) { - brcmf_dbg(ERROR, "Dongle reports SBINT\n"); + brcmf_err("Dongle reports SBINT\n"); intstatus &= ~I_SBINT; } @@ -2276,108 +2657,73 @@ static void brcmf_sdbrcm_dpc(struct brcmf_sdio *bus) intstatus &= ~I_HMB_FRAME_IND; /* On frame indication, read available frames */ - if (PKT_AVAILABLE() && bus->clkstate == CLK_AVAIL) { - framecnt = brcmf_sdio_readframes(bus, rxlimit); + if ((intstatus & I_HMB_FRAME_IND) && (bus->clkstate == CLK_AVAIL)) { + brcmf_sdio_readframes(bus, bus->rxbound); if (!bus->rxpending) intstatus &= ~I_HMB_FRAME_IND; - rxlimit -= min(framecnt, rxlimit); } /* Keep still-pending events for next scheduling */ - if (intstatus) { - for_each_set_bit(n, &intstatus, 32) - set_bit(n, (unsigned long *)&bus->intstatus.counter); - } - - brcmf_sdbrcm_clrintr(bus); - - if (data_ok(bus) && bus->ctrl_frame_stat && - (bus->clkstate == CLK_AVAIL)) { - int i; + if (intstatus) + atomic_orr(intstatus, &bus->intstatus); - err = brcmf_sdcard_send_buf(bus->sdiodev, bus->sdiodev->sbwad, - SDIO_FUNC_2, F2SYNC, bus->ctrl_frame_buf, - (u32) bus->ctrl_frame_len); + brcmf_sdio_clrintr(bus); - if (err < 0) { - /* On failure, abort the command and - terminate the frame */ - brcmf_dbg(INFO, "sdio error %d, abort command and terminate frame\n", - err); - bus->sdcnt.tx_sderrs++; - - brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2); - - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL, - SFC_WF_TERM, &err); - bus->sdcnt.f1regdata++; - - for (i = 0; i < 3; i++) { - u8 hi, lo; - hi = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_WFRAMEBCHI, - &err); - lo = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_WFRAMEBCLO, - &err); - bus->sdcnt.f1regdata += 2; - if ((hi == 0) && (lo == 0)) - break; - } + if (bus->ctrl_frame_stat && (bus->clkstate == CLK_AVAIL) && + (down_interruptible(&bus->tx_seq_lock) == 0)) { + if (data_ok(bus)) { + sdio_claim_host(bus->sdiodev->func[1]); + err = brcmf_sdio_tx_ctrlframe(bus, bus->ctrl_frame_buf, + bus->ctrl_frame_len); + sdio_release_host(bus->sdiodev->func[1]); - } else { - bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; + bus->ctrl_frame_stat = false; + brcmf_sdio_wait_event_wakeup(bus); } - bus->ctrl_frame_stat = false; - brcmf_sdbrcm_wait_event_wakeup(bus); + up(&bus->tx_seq_lock); } /* Send queued frames (limit 1 if rx may still be pending) */ - else if ((bus->clkstate == CLK_AVAIL) && !atomic_read(&bus->fcstate) && - brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) && txlimit - && data_ok(bus)) { + if ((bus->clkstate == CLK_AVAIL) && !atomic_read(&bus->fcstate) && + brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) && txlimit && + data_ok(bus)) { framecnt = bus->rxpending ? min(txlimit, bus->txminmax) : txlimit; - framecnt = brcmf_sdbrcm_sendfromq(bus, framecnt); - txlimit -= framecnt; + brcmf_sdio_sendfromq(bus, framecnt); } - if ((bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) || (err != 0)) { - brcmf_dbg(ERROR, "failed backplane access over SDIO, halting operation\n"); - bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN; + if (!brcmf_bus_ready(bus->sdiodev->bus_if) || (err != 0)) { + brcmf_err("failed backplane access over SDIO, halting operation\n"); atomic_set(&bus->intstatus, 0); } else if (atomic_read(&bus->intstatus) || atomic_read(&bus->ipend) > 0 || (!atomic_read(&bus->fcstate) && brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) && - data_ok(bus)) || PKT_AVAILABLE()) { - brcmf_sdbrcm_adddpctsk(bus); + data_ok(bus))) { + atomic_inc(&bus->dpc_tskcnt); } +} - /* If we're done for now, turn off clock request. */ - if ((bus->clkstate != CLK_PENDING) - && bus->idletime == BRCMF_IDLE_IMMEDIATE) { - bus->activity = false; - brcmf_sdbrcm_clkctl(bus, CLK_NONE, false); - } +static struct pktq *brcmf_sdio_bus_gettxq(struct device *dev) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + struct brcmf_sdio *bus = sdiodev->bus; - up(&bus->sdsem); + return &bus->txq; } -static int brcmf_sdbrcm_bus_txdata(struct device *dev, struct sk_buff *pkt) +static int brcmf_sdio_bus_txdata(struct device *dev, struct sk_buff *pkt) { int ret = -EBADE; - uint datalen, prec; + uint prec; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; struct brcmf_sdio *bus = sdiodev->bus; - unsigned long flags; - brcmf_dbg(TRACE, "Enter\n"); - - datalen = pkt->len; + brcmf_dbg(TRACE, "Enter: pkt: data %p len %d\n", pkt->data, pkt->len); /* Add space for the header */ - skb_push(pkt, SDPCM_HDRLEN); + skb_push(pkt, bus->tx_hdrlen); /* precondition: IS_ALIGNED((unsigned long)(pkt->data), 2) */ prec = prio2prec((pkt->priority & PRIOMASK)); @@ -2388,108 +2734,40 @@ static int brcmf_sdbrcm_bus_txdata(struct device *dev, struct sk_buff *pkt) bus->sdcnt.fcqueued++; /* Priority based enq */ - spin_lock_bh(&bus->txqlock); + spin_lock_bh(&bus->txq_lock); + /* reset bus_flags in packet cb */ + *(u16 *)(pkt->cb) = 0; if (!brcmf_c_prec_enq(bus->sdiodev->dev, &bus->txq, pkt, prec)) { - skb_pull(pkt, SDPCM_HDRLEN); - brcmf_txcomplete(bus->sdiodev->dev, pkt, false); - brcmu_pkt_buf_free_skb(pkt); - brcmf_dbg(ERROR, "out of bus->txq !!!\n"); + skb_pull(pkt, bus->tx_hdrlen); + brcmf_err("out of bus->txq !!!\n"); ret = -ENOSR; } else { ret = 0; } - spin_unlock_bh(&bus->txqlock); if (pktq_len(&bus->txq) >= TXHI) { bus->txoff = true; brcmf_txflowblock(bus->sdiodev->dev, true); } + spin_unlock_bh(&bus->txq_lock); #ifdef DEBUG if (pktq_plen(&bus->txq, prec) > qcount[prec]) qcount[prec] = pktq_plen(&bus->txq, prec); #endif - spin_lock_irqsave(&bus->dpc_tl_lock, flags); - if (list_empty(&bus->dpc_tsklst)) { - spin_unlock_irqrestore(&bus->dpc_tl_lock, flags); - - brcmf_sdbrcm_adddpctsk(bus); + if (atomic_read(&bus->dpc_tskcnt) == 0) { + atomic_inc(&bus->dpc_tskcnt); queue_work(bus->brcmf_wq, &bus->datawork); - } else { - spin_unlock_irqrestore(&bus->dpc_tl_lock, flags); } return ret; } -static int -brcmf_sdbrcm_membytes(struct brcmf_sdio *bus, bool write, u32 address, u8 *data, - uint size) -{ - int bcmerror = 0; - u32 sdaddr; - uint dsize; - - /* Determine initial transfer parameters */ - sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK; - if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK) - dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr); - else - dsize = size; - - sdio_claim_host(bus->sdiodev->func[1]); - - /* Set the backplane window to include the start address */ - bcmerror = brcmf_sdcard_set_sbaddr_window(bus->sdiodev, address); - if (bcmerror) { - brcmf_dbg(ERROR, "window change failed\n"); - goto xfer_done; - } - - /* Do the transfer(s) */ - while (size) { - brcmf_dbg(INFO, "%s %d bytes at offset 0x%08x in window 0x%08x\n", - write ? "write" : "read", dsize, - sdaddr, address & SBSDIO_SBWINDOW_MASK); - bcmerror = brcmf_sdcard_rwdata(bus->sdiodev, write, - sdaddr, data, dsize); - if (bcmerror) { - brcmf_dbg(ERROR, "membytes transfer failed\n"); - break; - } - - /* Adjust for next transfer (if any) */ - size -= dsize; - if (size) { - data += dsize; - address += dsize; - bcmerror = brcmf_sdcard_set_sbaddr_window(bus->sdiodev, - address); - if (bcmerror) { - brcmf_dbg(ERROR, "window change failed\n"); - break; - } - sdaddr = 0; - dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size); - } - } - -xfer_done: - /* Return the window to backplane enumeration space for core access */ - if (brcmf_sdcard_set_sbaddr_window(bus->sdiodev, bus->sdiodev->sbwad)) - brcmf_dbg(ERROR, "FAILED to set window back to 0x%x\n", - bus->sdiodev->sbwad); - - sdio_release_host(bus->sdiodev->func[1]); - - return bcmerror; -} - #ifdef DEBUG #define CONSOLE_LINE_MAX 192 -static int brcmf_sdbrcm_readconsole(struct brcmf_sdio *bus) +static int brcmf_sdio_readconsole(struct brcmf_sdio *bus) { struct brcmf_console *c = &bus->console; u8 line[CONSOLE_LINE_MAX], ch; @@ -2502,8 +2780,8 @@ static int brcmf_sdbrcm_readconsole(struct brcmf_sdio *bus) /* Read console log struct */ addr = bus->console_addr + offsetof(struct rte_console, log_le); - rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *)&c->log_le, - sizeof(c->log_le)); + rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, (u8 *)&c->log_le, + sizeof(c->log_le)); if (rv < 0) return rv; @@ -2528,7 +2806,7 @@ static int brcmf_sdbrcm_readconsole(struct brcmf_sdio *bus) /* Read the console buffer */ addr = le32_to_cpu(c->log_le.buf); - rv = brcmf_sdbrcm_membytes(bus, false, addr, c->buf, c->bufsize); + rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, c->buf, c->bufsize); if (rv < 0) return rv; @@ -2566,154 +2844,51 @@ break2: } #endif /* DEBUG */ -static int brcmf_tx_frame(struct brcmf_sdio *bus, u8 *frame, u16 len) -{ - int i; - int ret; - - bus->ctrl_frame_stat = false; - ret = brcmf_sdcard_send_buf(bus->sdiodev, bus->sdiodev->sbwad, - SDIO_FUNC_2, F2SYNC, frame, len); - - if (ret < 0) { - /* On failure, abort the command and terminate the frame */ - brcmf_dbg(INFO, "sdio error %d, abort command and terminate frame\n", - ret); - bus->sdcnt.tx_sderrs++; - - brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2); - - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL, - SFC_WF_TERM, NULL); - bus->sdcnt.f1regdata++; - - for (i = 0; i < 3; i++) { - u8 hi, lo; - hi = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_WFRAMEBCHI, NULL); - lo = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_WFRAMEBCLO, NULL); - bus->sdcnt.f1regdata += 2; - if (hi == 0 && lo == 0) - break; - } - return ret; - } - - bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; - - return ret; -} - static int -brcmf_sdbrcm_bus_txctl(struct device *dev, unsigned char *msg, uint msglen) +brcmf_sdio_bus_txctl(struct device *dev, unsigned char *msg, uint msglen) { - u8 *frame; - u16 len; - u32 swheader; - uint retries = 0; - u8 doff = 0; - int ret = -1; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; struct brcmf_sdio *bus = sdiodev->bus; - unsigned long flags; + int ret = -1; brcmf_dbg(TRACE, "Enter\n"); - /* Back the pointer to make a room for bus header */ - frame = msg - SDPCM_HDRLEN; - len = (msglen += SDPCM_HDRLEN); - - /* Add alignment padding (optional for ctl frames) */ - doff = ((unsigned long)frame % BRCMF_SDALIGN); - if (doff) { - frame -= doff; - len += doff; - msglen += doff; - memset(frame, 0, doff + SDPCM_HDRLEN); - } - /* precondition: doff < BRCMF_SDALIGN */ - doff += SDPCM_HDRLEN; - - /* Round send length to next SDIO block */ - if (bus->roundup && bus->blocksize && (len > bus->blocksize)) { - u16 pad = bus->blocksize - (len % bus->blocksize); - if ((pad <= bus->roundup) && (pad < bus->blocksize)) - len += pad; - } else if (len % BRCMF_SDALIGN) { - len += BRCMF_SDALIGN - (len % BRCMF_SDALIGN); - } - - /* Satisfy length-alignment requirements */ - if (len & (ALIGNMENT - 1)) - len = roundup(len, ALIGNMENT); - - /* precondition: IS_ALIGNED((unsigned long)frame, 2) */ - - /* Need to lock here to protect txseq and SDIO tx calls */ - down(&bus->sdsem); - - /* Make sure backplane clock is on */ - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); - - /* Hardware tag: 2 byte len followed by 2 byte ~len check (all LE) */ - *(__le16 *) frame = cpu_to_le16((u16) msglen); - *(((__le16 *) frame) + 1) = cpu_to_le16(~msglen); - - /* Software tag: channel, sequence number, data offset */ - swheader = - ((SDPCM_CONTROL_CHANNEL << SDPCM_CHANNEL_SHIFT) & - SDPCM_CHANNEL_MASK) - | bus->tx_seq | ((doff << SDPCM_DOFFSET_SHIFT) & - SDPCM_DOFFSET_MASK); - put_unaligned_le32(swheader, frame + SDPCM_FRAMETAG_LEN); - put_unaligned_le32(0, frame + SDPCM_FRAMETAG_LEN + sizeof(swheader)); + if (down_interruptible(&bus->tx_seq_lock)) + return -EINTR; if (!data_ok(bus)) { brcmf_dbg(INFO, "No bus credit bus->tx_max %d, bus->tx_seq %d\n", bus->tx_max, bus->tx_seq); - bus->ctrl_frame_stat = true; + up(&bus->tx_seq_lock); /* Send from dpc */ - bus->ctrl_frame_buf = frame; - bus->ctrl_frame_len = len; + bus->ctrl_frame_buf = msg; + bus->ctrl_frame_len = msglen; + bus->ctrl_frame_stat = true; - brcmf_sdbrcm_wait_for_event(bus, &bus->ctrl_frame_stat); + wait_event_interruptible_timeout(bus->ctrl_wait, + !bus->ctrl_frame_stat, + msecs_to_jiffies(2000)); if (!bus->ctrl_frame_stat) { - brcmf_dbg(INFO, "ctrl_frame_stat == false\n"); + brcmf_dbg(SDIO, "ctrl_frame_stat == false\n"); ret = 0; } else { - brcmf_dbg(INFO, "ctrl_frame_stat == true\n"); + brcmf_dbg(SDIO, "ctrl_frame_stat == true\n"); + bus->ctrl_frame_stat = false; + if (down_interruptible(&bus->tx_seq_lock)) + return -EINTR; ret = -1; } } - if (ret == -1) { - brcmf_dbg_hex_dump(BRCMF_BYTES_ON() && BRCMF_CTL_ON(), - frame, len, "Tx Frame:\n"); - brcmf_dbg_hex_dump(!(BRCMF_BYTES_ON() && BRCMF_CTL_ON()) && - BRCMF_HDRS_ON(), - frame, min_t(u16, len, 16), "TxHdr:\n"); - - do { - ret = brcmf_tx_frame(bus, frame, len); - } while (ret < 0 && retries++ < TXRETRIES); - } - - spin_lock_irqsave(&bus->dpc_tl_lock, flags); - if ((bus->idletime == BRCMF_IDLE_IMMEDIATE) && - list_empty(&bus->dpc_tsklst)) { - spin_unlock_irqrestore(&bus->dpc_tl_lock, flags); - - bus->activity = false; - brcmf_sdbrcm_clkctl(bus, CLK_NONE, true); - } else { - spin_unlock_irqrestore(&bus->dpc_tl_lock, flags); + sdio_claim_host(bus->sdiodev->func[1]); + brcmf_sdio_bus_sleep(bus, false, false); + ret = brcmf_sdio_tx_ctrlframe(bus, msg, msglen); + sdio_release_host(bus->sdiodev->func[1]); + up(&bus->tx_seq_lock); } - up(&bus->sdsem); - if (ret) bus->sdcnt.tx_ctlerrs++; else @@ -2723,71 +2898,6 @@ brcmf_sdbrcm_bus_txctl(struct device *dev, unsigned char *msg, uint msglen) } #ifdef DEBUG -static inline bool brcmf_sdio_valid_shared_address(u32 addr) -{ - return !(addr == 0 || ((~addr >> 16) & 0xffff) == (addr & 0xffff)); -} - -static int brcmf_sdio_readshared(struct brcmf_sdio *bus, - struct sdpcm_shared *sh) -{ - u32 addr; - int rv; - u32 shaddr = 0; - struct sdpcm_shared_le sh_le; - __le32 addr_le; - - shaddr = bus->ramsize - 4; - - /* - * Read last word in socram to determine - * address of sdpcm_shared structure - */ - rv = brcmf_sdbrcm_membytes(bus, false, shaddr, - (u8 *)&addr_le, 4); - if (rv < 0) - return rv; - - addr = le32_to_cpu(addr_le); - - brcmf_dbg(INFO, "sdpcm_shared address 0x%08X\n", addr); - - /* - * Check if addr is valid. - * NVRAM length at the end of memory should have been overwritten. - */ - if (!brcmf_sdio_valid_shared_address(addr)) { - brcmf_dbg(ERROR, "invalid sdpcm_shared address 0x%08X\n", - addr); - return -EINVAL; - } - - /* Read hndrte_shared structure */ - rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *)&sh_le, - sizeof(struct sdpcm_shared_le)); - if (rv < 0) - return rv; - - /* Endianness */ - sh->flags = le32_to_cpu(sh_le.flags); - sh->trap_addr = le32_to_cpu(sh_le.trap_addr); - sh->assert_exp_addr = le32_to_cpu(sh_le.assert_exp_addr); - sh->assert_file_addr = le32_to_cpu(sh_le.assert_file_addr); - sh->assert_line = le32_to_cpu(sh_le.assert_line); - sh->console_addr = le32_to_cpu(sh_le.console_addr); - sh->msgtrace_addr = le32_to_cpu(sh_le.msgtrace_addr); - - if ((sh->flags & SDPCM_SHARED_VERSION_MASK) != SDPCM_SHARED_VERSION) { - brcmf_dbg(ERROR, - "sdpcm_shared version mismatch: dhd %d dongle %d\n", - SDPCM_SHARED_VERSION, - sh->flags & SDPCM_SHARED_VERSION_MASK); - return -EPROTO; - } - - return 0; -} - static int brcmf_sdio_dump_console(struct brcmf_sdio *bus, struct sdpcm_shared *sh, char __user *data, size_t count) @@ -2801,22 +2911,22 @@ static int brcmf_sdio_dump_console(struct brcmf_sdio *bus, /* obtain console information from device memory */ addr = sh->console_addr + offsetof(struct rte_console, log_le); - rv = brcmf_sdbrcm_membytes(bus, false, addr, - (u8 *)&sh_val, sizeof(u32)); + rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, + (u8 *)&sh_val, sizeof(u32)); if (rv < 0) return rv; console_ptr = le32_to_cpu(sh_val); addr = sh->console_addr + offsetof(struct rte_console, log_le.buf_size); - rv = brcmf_sdbrcm_membytes(bus, false, addr, - (u8 *)&sh_val, sizeof(u32)); + rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, + (u8 *)&sh_val, sizeof(u32)); if (rv < 0) return rv; console_size = le32_to_cpu(sh_val); addr = sh->console_addr + offsetof(struct rte_console, log_le.idx); - rv = brcmf_sdbrcm_membytes(bus, false, addr, - (u8 *)&sh_val, sizeof(u32)); + rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, + (u8 *)&sh_val, sizeof(u32)); if (rv < 0) return rv; console_index = le32_to_cpu(sh_val); @@ -2830,8 +2940,8 @@ static int brcmf_sdio_dump_console(struct brcmf_sdio *bus, /* obtain the console data from device */ conbuf[console_size] = '\0'; - rv = brcmf_sdbrcm_membytes(bus, false, console_ptr, (u8 *)conbuf, - console_size); + rv = brcmf_sdiod_ramrw(bus->sdiodev, false, console_ptr, (u8 *)conbuf, + console_size); if (rv < 0) goto done; @@ -2861,21 +2971,18 @@ static int brcmf_sdio_trap_info(struct brcmf_sdio *bus, struct sdpcm_shared *sh, int error, res; char buf[350]; struct brcmf_trap_info tr; - int nbytes; loff_t pos = 0; - if ((sh->flags & SDPCM_SHARED_TRAP) == 0) + if ((sh->flags & SDPCM_SHARED_TRAP) == 0) { + brcmf_dbg(INFO, "no trap in firmware\n"); return 0; + } - error = brcmf_sdbrcm_membytes(bus, false, sh->trap_addr, (u8 *)&tr, - sizeof(struct brcmf_trap_info)); + error = brcmf_sdiod_ramrw(bus->sdiodev, false, sh->trap_addr, (u8 *)&tr, + sizeof(struct brcmf_trap_info)); if (error < 0) return error; - nbytes = brcmf_sdio_dump_console(bus, sh, data, count); - if (nbytes < 0) - return nbytes; - res = scnprintf(buf, sizeof(buf), "dongle trap info: type 0x%x @ epc 0x%08x\n" " cpsr 0x%08x spsr 0x%08x sp 0x%08x\n" @@ -2891,12 +2998,7 @@ static int brcmf_sdio_trap_info(struct brcmf_sdio *bus, struct sdpcm_shared *sh, le32_to_cpu(tr.r4), le32_to_cpu(tr.r5), le32_to_cpu(tr.r6), le32_to_cpu(tr.r7)); - error = simple_read_from_buffer(data+nbytes, count, &pos, buf, res); - if (error < 0) - return error; - - nbytes += error; - return nbytes; + return simple_read_from_buffer(data, count, &pos, buf, res); } static int brcmf_sdio_assert_info(struct brcmf_sdio *bus, @@ -2918,18 +3020,20 @@ static int brcmf_sdio_assert_info(struct brcmf_sdio *bus, return 0; } + sdio_claim_host(bus->sdiodev->func[1]); if (sh->assert_file_addr != 0) { - error = brcmf_sdbrcm_membytes(bus, false, sh->assert_file_addr, - (u8 *)file, 80); + error = brcmf_sdiod_ramrw(bus->sdiodev, false, + sh->assert_file_addr, (u8 *)file, 80); if (error < 0) return error; } if (sh->assert_exp_addr != 0) { - error = brcmf_sdbrcm_membytes(bus, false, sh->assert_exp_addr, - (u8 *)expr, 80); + error = brcmf_sdiod_ramrw(bus->sdiodev, false, + sh->assert_exp_addr, (u8 *)expr, 80); if (error < 0) return error; } + sdio_release_host(bus->sdiodev->func[1]); res = scnprintf(buf, sizeof(buf), "dongle assert: %s:%d: assert(%s)\n", @@ -2937,14 +3041,12 @@ static int brcmf_sdio_assert_info(struct brcmf_sdio *bus, return simple_read_from_buffer(data, count, &pos, buf, res); } -static int brcmf_sdbrcm_checkdied(struct brcmf_sdio *bus) +static int brcmf_sdio_checkdied(struct brcmf_sdio *bus) { int error; struct sdpcm_shared sh; - down(&bus->sdsem); error = brcmf_sdio_readshared(bus, &sh); - up(&bus->sdsem); if (error < 0) return error; @@ -2952,16 +3054,16 @@ static int brcmf_sdbrcm_checkdied(struct brcmf_sdio *bus) if ((sh.flags & SDPCM_SHARED_ASSERT_BUILT) == 0) brcmf_dbg(INFO, "firmware not built with -assert\n"); else if (sh.flags & SDPCM_SHARED_ASSERT) - brcmf_dbg(ERROR, "assertion in dongle\n"); + brcmf_err("assertion in dongle\n"); if (sh.flags & SDPCM_SHARED_TRAP) - brcmf_dbg(ERROR, "firmware trap in dongle\n"); + brcmf_err("firmware trap in dongle\n"); return 0; } -static int brcmf_sdbrcm_died_dump(struct brcmf_sdio *bus, char __user *data, - size_t count, loff_t *ppos) +static int brcmf_sdio_died_dump(struct brcmf_sdio *bus, char __user *data, + size_t count, loff_t *ppos) { int error = 0; struct sdpcm_shared sh; @@ -2971,7 +3073,6 @@ static int brcmf_sdbrcm_died_dump(struct brcmf_sdio *bus, char __user *data, if (pos != 0) return 0; - down(&bus->sdsem); error = brcmf_sdio_readshared(bus, &sh); if (error < 0) goto done; @@ -2979,16 +3080,21 @@ static int brcmf_sdbrcm_died_dump(struct brcmf_sdio *bus, char __user *data, error = brcmf_sdio_assert_info(bus, &sh, data, count); if (error < 0) goto done; - nbytes = error; - error = brcmf_sdio_trap_info(bus, &sh, data, count); + + error = brcmf_sdio_trap_info(bus, &sh, data+nbytes, count); if (error < 0) goto done; + nbytes += error; - error += nbytes; - *ppos += error; + error = brcmf_sdio_dump_console(bus, &sh, data+nbytes, count); + if (error < 0) + goto done; + nbytes += error; + + error = nbytes; + *ppos += nbytes; done: - up(&bus->sdsem); return error; } @@ -2998,7 +3104,7 @@ static ssize_t brcmf_sdio_forensic_read(struct file *f, char __user *data, struct brcmf_sdio *bus = f->private_data; int res; - res = brcmf_sdbrcm_died_dump(bus, data, count, ppos); + res = brcmf_sdio_died_dump(bus, data, count, ppos); if (res > 0) *ppos += res; return (ssize_t)res; @@ -3021,9 +3127,11 @@ static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus) debugfs_create_file("forensics", S_IRUGO, dentry, bus, &brcmf_sdio_forensic_ops); brcmf_debugfs_create_sdio_count(drvr, &bus->sdcnt); + debugfs_create_u32("console_interval", 0644, dentry, + &bus->console_interval); } #else -static int brcmf_sdbrcm_checkdied(struct brcmf_sdio *bus) +static int brcmf_sdio_checkdied(struct brcmf_sdio *bus) { return 0; } @@ -3034,11 +3142,12 @@ static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus) #endif /* DEBUG */ static int -brcmf_sdbrcm_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen) +brcmf_sdio_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen) { int timeleft; uint rxlen = 0; bool pending; + u8 *buf; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; struct brcmf_sdio *bus = sdiodev->bus; @@ -3046,26 +3155,30 @@ brcmf_sdbrcm_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen) brcmf_dbg(TRACE, "Enter\n"); /* Wait until control frame is available */ - timeleft = brcmf_sdbrcm_dcmd_resp_wait(bus, &bus->rxlen, &pending); + timeleft = brcmf_sdio_dcmd_resp_wait(bus, &bus->rxlen, &pending); - down(&bus->sdsem); + spin_lock_bh(&bus->rxctl_lock); rxlen = bus->rxlen; memcpy(msg, bus->rxctl, min(msglen, rxlen)); + bus->rxctl = NULL; + buf = bus->rxctl_orig; + bus->rxctl_orig = NULL; bus->rxlen = 0; - up(&bus->sdsem); + spin_unlock_bh(&bus->rxctl_lock); + vfree(buf); if (rxlen) { brcmf_dbg(CTL, "resumed on rxctl frame, got %d expected %d\n", rxlen, msglen); } else if (timeleft == 0) { - brcmf_dbg(ERROR, "resumed on timeout\n"); - brcmf_sdbrcm_checkdied(bus); + brcmf_err("resumed on timeout\n"); + brcmf_sdio_checkdied(bus); } else if (pending) { brcmf_dbg(CTL, "cancelled\n"); return -ERESTARTSYS; } else { brcmf_dbg(CTL, "resumed for unknown reason?\n"); - brcmf_sdbrcm_checkdied(bus); + brcmf_sdio_checkdied(bus); } if (rxlen) @@ -3076,440 +3189,284 @@ brcmf_sdbrcm_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen) return rxlen ? (int)rxlen : -ETIMEDOUT; } -static int brcmf_sdbrcm_write_vars(struct brcmf_sdio *bus) -{ - int bcmerror = 0; - u32 varaddr; - u32 varsizew; - __le32 varsizew_le; #ifdef DEBUG - char *nvram_ularray; -#endif /* DEBUG */ - - /* Even if there are no vars are to be written, we still - need to set the ramsize. */ - varaddr = (bus->ramsize - 4) - bus->varsz; - - if (bus->vars) { - /* Write the vars list */ - bcmerror = brcmf_sdbrcm_membytes(bus, true, varaddr, - bus->vars, bus->varsz); -#ifdef DEBUG - /* Verify NVRAM bytes */ - brcmf_dbg(INFO, "Compare NVRAM dl & ul; varsize=%d\n", - bus->varsz); - nvram_ularray = kmalloc(bus->varsz, GFP_ATOMIC); - if (!nvram_ularray) - return -ENOMEM; - - /* Upload image to verify downloaded contents. */ - memset(nvram_ularray, 0xaa, bus->varsz); - - /* Read the vars list to temp buffer for comparison */ - bcmerror = brcmf_sdbrcm_membytes(bus, false, varaddr, - nvram_ularray, bus->varsz); - if (bcmerror) { - brcmf_dbg(ERROR, "error %d on reading %d nvram bytes at 0x%08x\n", - bcmerror, bus->varsz, varaddr); - } - /* Compare the org NVRAM with the one read from RAM */ - if (memcmp(bus->vars, nvram_ularray, bus->varsz)) - brcmf_dbg(ERROR, "Downloaded NVRAM image is corrupted\n"); - else - brcmf_dbg(ERROR, "Download/Upload/Compare of NVRAM ok\n"); - - kfree(nvram_ularray); -#endif /* DEBUG */ - } - - /* adjust to the user specified RAM */ - brcmf_dbg(INFO, "Physical memory size: %d\n", bus->ramsize); - brcmf_dbg(INFO, "Vars are at %d, orig varsize is %d\n", - varaddr, bus->varsz); - - /* - * Determine the length token: - * Varsize, converted to words, in lower 16-bits, checksum - * in upper 16-bits. - */ - if (bcmerror) { - varsizew = 0; - varsizew_le = cpu_to_le32(0); - } else { - varsizew = bus->varsz / 4; - varsizew = (~varsizew << 16) | (varsizew & 0x0000FFFF); - varsizew_le = cpu_to_le32(varsizew); - } - - brcmf_dbg(INFO, "New varsize is %d, length token=0x%08x\n", - bus->varsz, varsizew); - - /* Write the length token to the last word */ - bcmerror = brcmf_sdbrcm_membytes(bus, true, (bus->ramsize - 4), - (u8 *)&varsizew_le, 4); - - return bcmerror; -} - -static int brcmf_sdbrcm_download_state(struct brcmf_sdio *bus, bool enter) +static bool +brcmf_sdio_verifymemory(struct brcmf_sdio_dev *sdiodev, u32 ram_addr, + u8 *ram_data, uint ram_sz) { - int bcmerror = 0; - struct chip_info *ci = bus->ci; - - /* To enter download state, disable ARM and reset SOCRAM. - * To exit download state, simply reset ARM (default is RAM boot). - */ - if (enter) { - bus->alp_only = true; - - ci->coredisable(bus->sdiodev, ci, BCMA_CORE_ARM_CM3); - - ci->resetcore(bus->sdiodev, ci, BCMA_CORE_INTERNAL_MEM); - - /* Clear the top bit of memory */ - if (bus->ramsize) { - u32 zeros = 0; - brcmf_sdbrcm_membytes(bus, true, bus->ramsize - 4, - (u8 *)&zeros, 4); - } - } else { - if (!ci->iscoreup(bus->sdiodev, ci, BCMA_CORE_INTERNAL_MEM)) { - brcmf_dbg(ERROR, "SOCRAM core is down after reset?\n"); - bcmerror = -EBADE; - goto fail; - } + char *ram_cmp; + int err; + bool ret = true; + int address; + int offset; + int len; + + /* read back and verify */ + brcmf_dbg(INFO, "Compare RAM dl & ul at 0x%08x; size=%d\n", ram_addr, + ram_sz); + ram_cmp = kmalloc(MEMBLOCK, GFP_KERNEL); + /* do not proceed while no memory but */ + if (!ram_cmp) + return true; - bcmerror = brcmf_sdbrcm_write_vars(bus); - if (bcmerror) { - brcmf_dbg(ERROR, "no vars written to RAM\n"); - bcmerror = 0; + address = ram_addr; + offset = 0; + while (offset < ram_sz) { + len = ((offset + MEMBLOCK) < ram_sz) ? MEMBLOCK : + ram_sz - offset; + err = brcmf_sdiod_ramrw(sdiodev, false, address, ram_cmp, len); + if (err) { + brcmf_err("error %d on reading %d membytes at 0x%08x\n", + err, len, address); + ret = false; + break; + } else if (memcmp(ram_cmp, &ram_data[offset], len)) { + brcmf_err("Downloaded RAM image is corrupted, block offset is %d, len is %d\n", + offset, len); + ret = false; + break; } + offset += len; + address += len; + } - w_sdreg32(bus, 0xFFFFFFFF, - offsetof(struct sdpcmd_regs, intstatus)); - - ci->resetcore(bus->sdiodev, ci, BCMA_CORE_ARM_CM3); - - /* Allow HT Clock now that the ARM is running. */ - bus->alp_only = false; + kfree(ram_cmp); - bus->sdiodev->bus_if->state = BRCMF_BUS_LOAD; - } -fail: - return bcmerror; + return ret; } - -static int brcmf_sdbrcm_get_image(char *buf, int len, struct brcmf_sdio *bus) +#else /* DEBUG */ +static bool +brcmf_sdio_verifymemory(struct brcmf_sdio_dev *sdiodev, u32 ram_addr, + u8 *ram_data, uint ram_sz) { - if (bus->firmware->size < bus->fw_ptr + len) - len = bus->firmware->size - bus->fw_ptr; - - memcpy(buf, &bus->firmware->data[bus->fw_ptr], len); - bus->fw_ptr += len; - return len; + return true; } +#endif /* DEBUG */ -static int brcmf_sdbrcm_download_code_file(struct brcmf_sdio *bus) +static int brcmf_sdio_download_code_file(struct brcmf_sdio *bus, + const struct firmware *fw) { - int offset = 0; - uint len; - u8 *memblock = NULL, *memptr; - int ret; - - brcmf_dbg(INFO, "Enter\n"); - - ret = request_firmware(&bus->firmware, BRCMF_SDIO_FW_NAME, - &bus->sdiodev->func[2]->dev); - if (ret) { - brcmf_dbg(ERROR, "Fail to request firmware %d\n", ret); - return ret; - } - bus->fw_ptr = 0; - - memptr = memblock = kmalloc(MEMBLOCK + BRCMF_SDALIGN, GFP_ATOMIC); - if (memblock == NULL) { - ret = -ENOMEM; - goto err; - } - if ((u32)(unsigned long)memblock % BRCMF_SDALIGN) - memptr += (BRCMF_SDALIGN - - ((u32)(unsigned long)memblock % BRCMF_SDALIGN)); - - /* Download image */ - while ((len = - brcmf_sdbrcm_get_image((char *)memptr, MEMBLOCK, bus))) { - ret = brcmf_sdbrcm_membytes(bus, true, offset, memptr, len); - if (ret) { - brcmf_dbg(ERROR, "error %d on writing %d membytes at 0x%08x\n", - ret, MEMBLOCK, offset); - goto err; - } - - offset += MEMBLOCK; - } + int err; -err: - kfree(memblock); + brcmf_dbg(TRACE, "Enter\n"); - release_firmware(bus->firmware); - bus->fw_ptr = 0; + err = brcmf_sdiod_ramrw(bus->sdiodev, true, bus->ci->rambase, + (u8 *)fw->data, fw->size); + if (err) + brcmf_err("error %d on writing %d membytes at 0x%08x\n", + err, (int)fw->size, bus->ci->rambase); + else if (!brcmf_sdio_verifymemory(bus->sdiodev, bus->ci->rambase, + (u8 *)fw->data, fw->size)) + err = -EIO; - return ret; + return err; } -/* - * ProcessVars:Takes a buffer of "<var>=<value>\n" lines read from a file - * and ending in a NUL. - * Removes carriage returns, empty lines, comment lines, and converts - * newlines to NULs. - * Shortens buffer as needed and pads with NULs. End of buffer is marked - * by two NULs. -*/ - -static int brcmf_process_nvram_vars(struct brcmf_sdio *bus) -{ - char *varbuf; - char *dp; - bool findNewline; - int column; - int ret = 0; - uint buf_len, n, len; - - len = bus->firmware->size; - varbuf = vmalloc(len); - if (!varbuf) - return -ENOMEM; - - memcpy(varbuf, bus->firmware->data, len); - dp = varbuf; +static int brcmf_sdio_download_nvram(struct brcmf_sdio *bus, + void *vars, u32 varsz) +{ + int address; + int err; - findNewline = false; - column = 0; + brcmf_dbg(TRACE, "Enter\n"); - for (n = 0; n < len; n++) { - if (varbuf[n] == 0) - break; - if (varbuf[n] == '\r') - continue; - if (findNewline && varbuf[n] != '\n') - continue; - findNewline = false; - if (varbuf[n] == '#') { - findNewline = true; - continue; - } - if (varbuf[n] == '\n') { - if (column == 0) - continue; - *dp++ = 0; - column = 0; - continue; - } - *dp++ = varbuf[n]; - column++; - } - buf_len = dp - varbuf; - while (dp < varbuf + n) - *dp++ = 0; - - kfree(bus->vars); - /* roundup needed for download to device */ - bus->varsz = roundup(buf_len + 1, 4); - bus->vars = kmalloc(bus->varsz, GFP_KERNEL); - if (bus->vars == NULL) { - bus->varsz = 0; - ret = -ENOMEM; - goto err; - } + address = bus->ci->ramsize - varsz + bus->ci->rambase; + err = brcmf_sdiod_ramrw(bus->sdiodev, true, address, vars, varsz); + if (err) + brcmf_err("error %d on writing %d nvram bytes at 0x%08x\n", + err, varsz, address); + else if (!brcmf_sdio_verifymemory(bus->sdiodev, address, vars, varsz)) + err = -EIO; - /* copy the processed variables and add null termination */ - memcpy(bus->vars, varbuf, buf_len); - bus->vars[buf_len] = 0; -err: - vfree(varbuf); - return ret; + return err; } -static int brcmf_sdbrcm_download_nvram(struct brcmf_sdio *bus) +static int brcmf_sdio_download_firmware(struct brcmf_sdio *bus, + const struct firmware *fw, + void *nvram, u32 nvlen) { - int ret; - - if (bus->sdiodev->bus_if->drvr_up) - return -EISCONN; - - ret = request_firmware(&bus->firmware, BRCMF_SDIO_NV_NAME, - &bus->sdiodev->func[2]->dev); - if (ret) { - brcmf_dbg(ERROR, "Fail to request nvram %d\n", ret); - return ret; - } - - ret = brcmf_process_nvram_vars(bus); + int bcmerror = -EFAULT; + u32 rstvec; - release_firmware(bus->firmware); + sdio_claim_host(bus->sdiodev->func[1]); + brcmf_sdio_clkctl(bus, CLK_AVAIL, false); - return ret; -} + /* Keep arm in reset */ + brcmf_chip_enter_download(bus->ci); -static int _brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus) -{ - int bcmerror = -1; + rstvec = get_unaligned_le32(fw->data); + brcmf_dbg(SDIO, "firmware rstvec: %x\n", rstvec); - /* Keep arm in reset */ - if (brcmf_sdbrcm_download_state(bus, true)) { - brcmf_dbg(ERROR, "error placing ARM core in reset\n"); + bcmerror = brcmf_sdio_download_code_file(bus, fw); + release_firmware(fw); + if (bcmerror) { + brcmf_err("dongle image file download failed\n"); + brcmf_fw_nvram_free(nvram); goto err; } - /* External image takes precedence if specified */ - if (brcmf_sdbrcm_download_code_file(bus)) { - brcmf_dbg(ERROR, "dongle image file download failed\n"); + bcmerror = brcmf_sdio_download_nvram(bus, nvram, nvlen); + brcmf_fw_nvram_free(nvram); + if (bcmerror) { + brcmf_err("dongle nvram file download failed\n"); goto err; } - /* External nvram takes precedence if specified */ - if (brcmf_sdbrcm_download_nvram(bus)) - brcmf_dbg(ERROR, "dongle nvram file download failed\n"); - /* Take arm out of reset */ - if (brcmf_sdbrcm_download_state(bus, false)) { - brcmf_dbg(ERROR, "error getting out of ARM core reset\n"); + if (!brcmf_chip_exit_download(bus->ci, rstvec)) { + brcmf_err("error getting out of ARM core reset\n"); goto err; } + /* Allow HT Clock now that the ARM is running. */ + brcmf_bus_change_state(bus->sdiodev->bus_if, BRCMF_BUS_LOAD); bcmerror = 0; err: + brcmf_sdio_clkctl(bus, CLK_SDONLY, false); + sdio_release_host(bus->sdiodev->func[1]); return bcmerror; } -static bool -brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus) +static void brcmf_sdio_sr_init(struct brcmf_sdio *bus) { - bool ret; + int err = 0; + u8 val; - /* Download the firmware */ - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); + brcmf_dbg(TRACE, "Enter\n"); - ret = _brcmf_sdbrcm_download_firmware(bus) == 0; + val = brcmf_sdiod_regrb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, &err); + if (err) { + brcmf_err("error reading SBSDIO_FUNC1_WAKEUPCTRL\n"); + return; + } - brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false); + val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT; + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, val, &err); + if (err) { + brcmf_err("error writing SBSDIO_FUNC1_WAKEUPCTRL\n"); + return; + } - return ret; + /* Add CMD14 Support */ + brcmf_sdiod_regwb(bus->sdiodev, SDIO_CCCR_BRCM_CARDCAP, + (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT | + SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT), + &err); + if (err) { + brcmf_err("error writing SDIO_CCCR_BRCM_CARDCAP\n"); + return; + } + + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, + SBSDIO_FORCE_HT, &err); + if (err) { + brcmf_err("error writing SBSDIO_FUNC1_CHIPCLKCSR\n"); + return; + } + + /* set flag */ + bus->sr_enabled = true; + brcmf_dbg(INFO, "SR enabled\n"); } -static int brcmf_sdbrcm_bus_init(struct device *dev) +/* enable KSO bit */ +static int brcmf_sdio_kso_init(struct brcmf_sdio *bus) { - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - unsigned long timeout; - u8 ready, enable; - int err, ret = 0; - u8 saveclk; + u8 val; + int err = 0; brcmf_dbg(TRACE, "Enter\n"); - /* try to download image and nvram to the dongle */ - if (bus_if->state == BRCMF_BUS_DOWN) { - if (!(brcmf_sdbrcm_download_firmware(bus))) - return -1; - } - - if (!bus->sdiodev->bus_if->drvr) + /* KSO bit added in SDIO core rev 12 */ + if (brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV)->rev < 12) return 0; - /* Start the watchdog timer */ - bus->sdcnt.tickcnt = 0; - brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS); - - down(&bus->sdsem); - - /* Make sure backplane clock is on, needed to generate F2 interrupt */ - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); - if (bus->clkstate != CLK_AVAIL) - goto exit; - - /* Force clocks on backplane to be sure F2 interrupt propagates */ - saveclk = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, &err); - if (!err) { - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - (saveclk | SBSDIO_FORCE_HT), &err); - } + val = brcmf_sdiod_regrb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, &err); if (err) { - brcmf_dbg(ERROR, "Failed to force clock for F2: err %d\n", err); - goto exit; + brcmf_err("error reading SBSDIO_FUNC1_SLEEPCSR\n"); + return err; } - /* Enable function 2 (frame transfers) */ - w_sdreg32(bus, SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT, - offsetof(struct sdpcmd_regs, tosbmailboxdata)); - enable = (SDIO_FUNC_ENABLE_1 | SDIO_FUNC_ENABLE_2); - - brcmf_sdio_regwb(bus->sdiodev, SDIO_CCCR_IOEx, enable, NULL); - - timeout = jiffies + msecs_to_jiffies(BRCMF_WAIT_F2RDY); - ready = 0; - while (enable != ready) { - ready = brcmf_sdio_regrb(bus->sdiodev, - SDIO_CCCR_IORx, NULL); - if (time_after(jiffies, timeout)) - break; - else if (time_after(jiffies, timeout - BRCMF_WAIT_F2RDY + 50)) - /* prevent busy waiting if it takes too long */ - msleep_interruptible(20); + if (!(val & SBSDIO_FUNC1_SLEEPCSR_KSO_MASK)) { + val |= (SBSDIO_FUNC1_SLEEPCSR_KSO_EN << + SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, + val, &err); + if (err) { + brcmf_err("error writing SBSDIO_FUNC1_SLEEPCSR\n"); + return err; + } } - brcmf_dbg(INFO, "enable 0x%02x, ready 0x%02x\n", enable, ready); + return 0; +} - /* If F2 successfully enabled, set core and enable interrupts */ - if (ready == enable) { - /* Set up the interrupt mask and enable interrupts */ - bus->hostintmask = HOSTINTMASK; - w_sdreg32(bus, bus->hostintmask, - offsetof(struct sdpcmd_regs, hostintmask)); - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_WATERMARK, 8, &err); +static int brcmf_sdio_bus_preinit(struct device *dev) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + struct brcmf_sdio *bus = sdiodev->bus; + uint pad_size; + u32 value; + int err; + + /* the commands below use the terms tx and rx from + * a device perspective, ie. bus:txglom affects the + * bus transfers from device to host. + */ + if (brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV)->rev < 12) { + /* for sdio core rev < 12, disable txgloming */ + value = 0; + err = brcmf_iovar_data_set(dev, "bus:txglom", &value, + sizeof(u32)); } else { - /* Disable F2 again */ - enable = SDIO_FUNC_ENABLE_1; - brcmf_sdio_regwb(bus->sdiodev, SDIO_CCCR_IOEx, enable, NULL); - ret = -ENODEV; + /* otherwise, set txglomalign */ + value = 4; + if (sdiodev->pdata) + value = sdiodev->pdata->sd_sgentry_align; + /* SDIO ADMA requires at least 32 bit alignment */ + value = max_t(u32, value, 4); + err = brcmf_iovar_data_set(dev, "bus:txglomalign", &value, + sizeof(u32)); } - /* Restore previous clock setting */ - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, saveclk, &err); + if (err < 0) + goto done; - if (ret == 0) { - ret = brcmf_sdio_intr_register(bus->sdiodev); - if (ret != 0) - brcmf_dbg(ERROR, "intr register failed:%d\n", ret); + bus->tx_hdrlen = SDPCM_HWHDR_LEN + SDPCM_SWHDR_LEN; + if (sdiodev->sg_support) { + bus->txglom = false; + value = 1; + pad_size = bus->sdiodev->func[2]->cur_blksize << 1; + err = brcmf_iovar_data_set(bus->sdiodev->dev, "bus:rxglom", + &value, sizeof(u32)); + if (err < 0) { + /* bus:rxglom is allowed to fail */ + err = 0; + } else { + bus->txglom = true; + bus->tx_hdrlen += SDPCM_HWEXT_LEN; + } } + brcmf_bus_add_txhdrlen(bus->sdiodev->dev, bus->tx_hdrlen); - /* If we didn't come up, turn off backplane clock */ - if (bus_if->state != BRCMF_BUS_DATA) - brcmf_sdbrcm_clkctl(bus, CLK_NONE, false); - -exit: - up(&bus->sdsem); - - return ret; +done: + return err; } -void brcmf_sdbrcm_isr(void *arg) +void brcmf_sdio_isr(struct brcmf_sdio *bus) { - struct brcmf_sdio *bus = (struct brcmf_sdio *) arg; - brcmf_dbg(TRACE, "Enter\n"); if (!bus) { - brcmf_dbg(ERROR, "bus is null pointer, exiting\n"); + brcmf_err("bus is null pointer, exiting\n"); return; } - if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) { - brcmf_dbg(ERROR, "bus is down. we have nothing to do\n"); + if (!brcmf_bus_ready(bus->sdiodev->bus_if)) { + brcmf_err("bus is down. we have nothing to do\n"); return; } /* Count the interrupt call */ @@ -3518,31 +3475,28 @@ void brcmf_sdbrcm_isr(void *arg) atomic_set(&bus->ipend, 1); else if (brcmf_sdio_intr_rstatus(bus)) { - brcmf_dbg(ERROR, "failed backplane access\n"); - bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN; + brcmf_err("failed backplane access\n"); } /* Disable additional interrupts (is this needed now)? */ if (!bus->intr) - brcmf_dbg(ERROR, "isr w/o interrupt configured!\n"); + brcmf_err("isr w/o interrupt configured!\n"); - brcmf_sdbrcm_adddpctsk(bus); + atomic_inc(&bus->dpc_tskcnt); queue_work(bus->brcmf_wq, &bus->datawork); } -static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus) +static bool brcmf_sdio_bus_watchdog(struct brcmf_sdio *bus) { #ifdef DEBUG struct brcmf_bus *bus_if = dev_get_drvdata(bus->sdiodev->dev); #endif /* DEBUG */ - unsigned long flags; brcmf_dbg(TIMER, "Enter\n"); - down(&bus->sdsem); - /* Poll period: check device if appropriate. */ - if (bus->poll && (++bus->polltick >= bus->pollrate)) { + if (!bus->sr_enabled && + bus->poll && (++bus->polltick >= bus->pollrate)) { u32 intstatus = 0; /* Reset poll tick */ @@ -3552,20 +3506,17 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus) if (!bus->intr || (bus->sdcnt.intrcount == bus->sdcnt.lastintrs)) { - spin_lock_irqsave(&bus->dpc_tl_lock, flags); - if (list_empty(&bus->dpc_tsklst)) { + if (atomic_read(&bus->dpc_tskcnt) == 0) { u8 devpend; - spin_unlock_irqrestore(&bus->dpc_tl_lock, - flags); - devpend = brcmf_sdio_regrb(bus->sdiodev, - SDIO_CCCR_INTx, - NULL); + + sdio_claim_host(bus->sdiodev->func[1]); + devpend = brcmf_sdiod_regrb(bus->sdiodev, + SDIO_CCCR_INTx, + NULL); + sdio_release_host(bus->sdiodev->func[1]); intstatus = devpend & (INTR_STATUS_FUNC1 | INTR_STATUS_FUNC2); - } else { - spin_unlock_irqrestore(&bus->dpc_tl_lock, - flags); } /* If there is something, make like the ISR and @@ -3574,7 +3525,7 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus) bus->sdcnt.pollcnt++; atomic_set(&bus->ipend, 1); - brcmf_sdbrcm_adddpctsk(bus); + atomic_inc(&bus->dpc_tskcnt); queue_work(bus->brcmf_wq, &bus->datawork); } } @@ -3584,16 +3535,18 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus) } #ifdef DEBUG /* Poll for console output periodically */ - if (bus_if->state == BRCMF_BUS_DATA && + if (bus_if && bus_if->state == BRCMF_BUS_DATA && bus->console_interval != 0) { bus->console.count += BRCMF_WD_POLL_MS; if (bus->console.count >= bus->console_interval) { bus->console.count -= bus->console_interval; + sdio_claim_host(bus->sdiodev->func[1]); /* Make sure backplane clock is on */ - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); - if (brcmf_sdbrcm_readconsole(bus) < 0) + brcmf_sdio_bus_sleep(bus, false, false); + if (brcmf_sdio_readconsole(bus) < 0) /* stop on error */ bus->console_interval = 0; + sdio_release_host(bus->sdiodev->func[1]); } } #endif /* DEBUG */ @@ -3604,161 +3557,292 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus) bus->idlecount = 0; if (bus->activity) { bus->activity = false; - brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS); + brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS); } else { - brcmf_sdbrcm_clkctl(bus, CLK_NONE, false); + brcmf_dbg(SDIO, "idle\n"); + sdio_claim_host(bus->sdiodev->func[1]); + brcmf_sdio_bus_sleep(bus, true, false); + sdio_release_host(bus->sdiodev->func[1]); } } } - up(&bus->sdsem); - return (atomic_read(&bus->ipend) > 0); } -static bool brcmf_sdbrcm_chipmatch(u16 chipid) -{ - if (chipid == BCM43241_CHIP_ID) - return true; - if (chipid == BCM4329_CHIP_ID) - return true; - if (chipid == BCM4330_CHIP_ID) - return true; - if (chipid == BCM4334_CHIP_ID) - return true; - return false; -} - static void brcmf_sdio_dataworker(struct work_struct *work) { struct brcmf_sdio *bus = container_of(work, struct brcmf_sdio, datawork); - struct list_head *cur_hd, *tmp_hd; - unsigned long flags; - - spin_lock_irqsave(&bus->dpc_tl_lock, flags); - list_for_each_safe(cur_hd, tmp_hd, &bus->dpc_tsklst) { - spin_unlock_irqrestore(&bus->dpc_tl_lock, flags); - brcmf_sdbrcm_dpc(bus); - - spin_lock_irqsave(&bus->dpc_tl_lock, flags); - list_del(cur_hd); - kfree(cur_hd); + while (atomic_read(&bus->dpc_tskcnt)) { + atomic_set(&bus->dpc_tskcnt, 0); + brcmf_sdio_dpc(bus); } - spin_unlock_irqrestore(&bus->dpc_tl_lock, flags); } -static void brcmf_sdbrcm_release_malloc(struct brcmf_sdio *bus) +static void +brcmf_sdio_drivestrengthinit(struct brcmf_sdio_dev *sdiodev, + struct brcmf_chip *ci, u32 drivestrength) { - brcmf_dbg(TRACE, "Enter\n"); + const struct sdiod_drive_str *str_tab = NULL; + u32 str_mask; + u32 str_shift; + u32 base; + u32 i; + u32 drivestrength_sel = 0; + u32 cc_data_temp; + u32 addr; - kfree(bus->rxbuf); - bus->rxctl = bus->rxbuf = NULL; - bus->rxlen = 0; + if (!(ci->cc_caps & CC_CAP_PMU)) + return; + + switch (SDIOD_DRVSTR_KEY(ci->chip, ci->pmurev)) { + case SDIOD_DRVSTR_KEY(BCM4330_CHIP_ID, 12): + str_tab = sdiod_drvstr_tab1_1v8; + str_mask = 0x00003800; + str_shift = 11; + break; + case SDIOD_DRVSTR_KEY(BCM4334_CHIP_ID, 17): + str_tab = sdiod_drvstr_tab6_1v8; + str_mask = 0x00001800; + str_shift = 11; + break; + case SDIOD_DRVSTR_KEY(BCM43143_CHIP_ID, 17): + /* note: 43143 does not support tristate */ + i = ARRAY_SIZE(sdiod_drvstr_tab2_3v3) - 1; + if (drivestrength >= sdiod_drvstr_tab2_3v3[i].strength) { + str_tab = sdiod_drvstr_tab2_3v3; + str_mask = 0x00000007; + str_shift = 0; + } else + brcmf_err("Invalid SDIO Drive strength for chip %s, strength=%d\n", + ci->name, drivestrength); + break; + case SDIOD_DRVSTR_KEY(BCM43362_CHIP_ID, 13): + str_tab = sdiod_drive_strength_tab5_1v8; + str_mask = 0x00003800; + str_shift = 11; + break; + default: + brcmf_err("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n", + ci->name, ci->chiprev, ci->pmurev); + break; + } - kfree(bus->databuf); - bus->databuf = NULL; + if (str_tab != NULL) { + for (i = 0; str_tab[i].strength != 0; i++) { + if (drivestrength >= str_tab[i].strength) { + drivestrength_sel = str_tab[i].sel; + break; + } + } + base = brcmf_chip_get_chipcommon(ci)->base; + addr = CORE_CC_REG(base, chipcontrol_addr); + brcmf_sdiod_regwl(sdiodev, addr, 1, NULL); + cc_data_temp = brcmf_sdiod_regrl(sdiodev, addr, NULL); + cc_data_temp &= ~str_mask; + drivestrength_sel <<= str_shift; + cc_data_temp |= drivestrength_sel; + brcmf_sdiod_regwl(sdiodev, addr, cc_data_temp, NULL); + + brcmf_dbg(INFO, "SDIO: %d mA (req=%d mA) drive strength selected, set to 0x%08x\n", + str_tab[i].strength, drivestrength, cc_data_temp); + } } -static bool brcmf_sdbrcm_probe_malloc(struct brcmf_sdio *bus) +static int brcmf_sdio_buscoreprep(void *ctx) { - brcmf_dbg(TRACE, "Enter\n"); + struct brcmf_sdio_dev *sdiodev = ctx; + int err = 0; + u8 clkval, clkset; - if (bus->sdiodev->bus_if->maxctl) { - bus->rxblen = - roundup((bus->sdiodev->bus_if->maxctl + SDPCM_HDRLEN), - ALIGNMENT) + BRCMF_SDALIGN; - bus->rxbuf = kmalloc(bus->rxblen, GFP_ATOMIC); - if (!(bus->rxbuf)) - goto fail; + /* Try forcing SDIO core to do ALPAvail request only */ + clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ; + brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err); + if (err) { + brcmf_err("error writing for HT off\n"); + return err; } - /* Allocate buffer to receive glomed packet */ - bus->databuf = kmalloc(MAX_DATA_BUF, GFP_ATOMIC); - if (!(bus->databuf)) { - /* release rxbuf which was already located as above */ - if (!bus->rxblen) - kfree(bus->rxbuf); - goto fail; + /* If register supported, wait for ALPAvail and then force ALP */ + /* This may take up to 15 milliseconds */ + clkval = brcmf_sdiod_regrb(sdiodev, + SBSDIO_FUNC1_CHIPCLKCSR, NULL); + + if ((clkval & ~SBSDIO_AVBITS) != clkset) { + brcmf_err("ChipClkCSR access: wrote 0x%02x read 0x%02x\n", + clkset, clkval); + return -EACCES; } - /* Align the buffer */ - if ((unsigned long)bus->databuf % BRCMF_SDALIGN) - bus->dataptr = bus->databuf + (BRCMF_SDALIGN - - ((unsigned long)bus->databuf % BRCMF_SDALIGN)); - else - bus->dataptr = bus->databuf; + SPINWAIT(((clkval = brcmf_sdiod_regrb(sdiodev, + SBSDIO_FUNC1_CHIPCLKCSR, NULL)), + !SBSDIO_ALPAV(clkval)), + PMU_MAX_TRANSITION_DLY); + if (!SBSDIO_ALPAV(clkval)) { + brcmf_err("timeout on ALPAV wait, clkval 0x%02x\n", + clkval); + return -EBUSY; + } - return true; + clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_FORCE_ALP; + brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err); + udelay(65); -fail: - return false; + /* Also, disable the extra SDIO pull-ups */ + brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_SDIOPULLUP, 0, NULL); + + return 0; +} + +static void brcmf_sdio_buscore_exitdl(void *ctx, struct brcmf_chip *chip, + u32 rstvec) +{ + struct brcmf_sdio_dev *sdiodev = ctx; + struct brcmf_core *core; + u32 reg_addr; + + /* clear all interrupts */ + core = brcmf_chip_get_core(chip, BCMA_CORE_SDIO_DEV); + reg_addr = core->base + offsetof(struct sdpcmd_regs, intstatus); + brcmf_sdiod_regwl(sdiodev, reg_addr, 0xFFFFFFFF, NULL); + + if (rstvec) + /* Write reset vector to address 0 */ + brcmf_sdiod_ramrw(sdiodev, true, 0, (void *)&rstvec, + sizeof(rstvec)); +} + +static u32 brcmf_sdio_buscore_read32(void *ctx, u32 addr) +{ + struct brcmf_sdio_dev *sdiodev = ctx; + u32 val, rev; + + val = brcmf_sdiod_regrl(sdiodev, addr, NULL); + if (sdiodev->func[0]->device == SDIO_DEVICE_ID_BROADCOM_4335_4339 && + addr == CORE_CC_REG(SI_ENUM_BASE, chipid)) { + rev = (val & CID_REV_MASK) >> CID_REV_SHIFT; + if (rev >= 2) { + val &= ~CID_ID_MASK; + val |= BCM4339_CHIP_ID; + } + } + return val; +} + +static void brcmf_sdio_buscore_write32(void *ctx, u32 addr, u32 val) +{ + struct brcmf_sdio_dev *sdiodev = ctx; + + brcmf_sdiod_regwl(sdiodev, addr, val, NULL); } +static const struct brcmf_buscore_ops brcmf_sdio_buscore_ops = { + .prepare = brcmf_sdio_buscoreprep, + .exit_dl = brcmf_sdio_buscore_exitdl, + .read32 = brcmf_sdio_buscore_read32, + .write32 = brcmf_sdio_buscore_write32, +}; + static bool -brcmf_sdbrcm_probe_attach(struct brcmf_sdio *bus, u32 regsva) +brcmf_sdio_probe_attach(struct brcmf_sdio *bus) { u8 clkctl = 0; int err = 0; int reg_addr; u32 reg_val; - u8 idx; + u32 drivestrength; - bus->alp_only = true; + sdio_claim_host(bus->sdiodev->func[1]); pr_debug("F1 signature read @0x18000000=0x%4x\n", - brcmf_sdio_regrl(bus->sdiodev, SI_ENUM_BASE, NULL)); + brcmf_sdiod_regrl(bus->sdiodev, SI_ENUM_BASE, NULL)); /* - * Force PLL off until brcmf_sdio_chip_attach() + * Force PLL off until brcmf_chip_attach() * programs PLL control regs */ - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - BRCMF_INIT_CLKCTL1, &err); + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, + BRCMF_INIT_CLKCTL1, &err); if (!err) - clkctl = brcmf_sdio_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, &err); + clkctl = brcmf_sdiod_regrb(bus->sdiodev, + SBSDIO_FUNC1_CHIPCLKCSR, &err); if (err || ((clkctl & ~SBSDIO_AVBITS) != BRCMF_INIT_CLKCTL1)) { - brcmf_dbg(ERROR, "ChipClkCSR access: err %d wrote 0x%02x read 0x%02x\n", + brcmf_err("ChipClkCSR access: err %d wrote 0x%02x read 0x%02x\n", err, BRCMF_INIT_CLKCTL1, clkctl); goto fail; } - if (brcmf_sdio_chip_attach(bus->sdiodev, &bus->ci, regsva)) { - brcmf_dbg(ERROR, "brcmf_sdio_chip_attach failed!\n"); + /* SDIO register access works so moving + * state from UNKNOWN to DOWN. + */ + brcmf_bus_change_state(bus->sdiodev->bus_if, BRCMF_BUS_DOWN); + + bus->ci = brcmf_chip_attach(bus->sdiodev, &brcmf_sdio_buscore_ops); + if (IS_ERR(bus->ci)) { + brcmf_err("brcmf_chip_attach failed!\n"); + bus->ci = NULL; goto fail; } - if (!brcmf_sdbrcm_chipmatch((u16) bus->ci->chip)) { - brcmf_dbg(ERROR, "unsupported chip: 0x%04x\n", bus->ci->chip); + if (brcmf_sdio_kso_init(bus)) { + brcmf_err("error enabling KSO\n"); goto fail; } - brcmf_sdio_chip_drivestrengthinit(bus->sdiodev, bus->ci, - SDIO_DRIVE_STRENGTH); + if ((bus->sdiodev->pdata) && (bus->sdiodev->pdata->drive_strength)) + drivestrength = bus->sdiodev->pdata->drive_strength; + else + drivestrength = DEFAULT_SDIO_DRIVE_STRENGTH; + brcmf_sdio_drivestrengthinit(bus->sdiodev, bus->ci, drivestrength); /* Get info on the SOCRAM cores... */ bus->ramsize = bus->ci->ramsize; if (!(bus->ramsize)) { - brcmf_dbg(ERROR, "failed to find SOCRAM memory!\n"); + brcmf_err("failed to find SOCRAM memory!\n"); goto fail; } - /* Set core control so an SDIO reset does a backplane reset */ - idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV); - reg_addr = bus->ci->c_inf[idx].base + - offsetof(struct sdpcmd_regs, corecontrol); - reg_val = brcmf_sdio_regrl(bus->sdiodev, reg_addr, NULL); - brcmf_sdio_regwl(bus->sdiodev, reg_addr, reg_val | CC_BPRESEN, NULL); + /* Set card control so an SDIO card reset does a WLAN backplane reset */ + reg_val = brcmf_sdiod_regrb(bus->sdiodev, + SDIO_CCCR_BRCM_CARDCTRL, &err); + if (err) + goto fail; + + reg_val |= SDIO_CCCR_BRCM_CARDCTRL_WLANRESET; + + brcmf_sdiod_regwb(bus->sdiodev, + SDIO_CCCR_BRCM_CARDCTRL, reg_val, &err); + if (err) + goto fail; + + /* set PMUControl so a backplane reset does PMU state reload */ + reg_addr = CORE_CC_REG(brcmf_chip_get_chipcommon(bus->ci)->base, + pmucontrol); + reg_val = brcmf_sdiod_regrl(bus->sdiodev, reg_addr, &err); + if (err) + goto fail; + + reg_val |= (BCMA_CC_PMU_CTL_RES_RELOAD << BCMA_CC_PMU_CTL_RES_SHIFT); + + brcmf_sdiod_regwl(bus->sdiodev, reg_addr, reg_val, &err); + if (err) + goto fail; + + sdio_release_host(bus->sdiodev->func[1]); brcmu_pktq_init(&bus->txq, (PRIOMASK + 1), TXQLEN); + /* allocate header buffer */ + bus->hdrbuf = kzalloc(MAX_HDR_READ + bus->head_align, GFP_KERNEL); + if (!bus->hdrbuf) + return false; /* Locate an appropriately-aligned portion of hdrbuf */ bus->rxhdr = (u8 *) roundup((unsigned long)&bus->hdrbuf[0], - BRCMF_SDALIGN); + bus->head_align); /* Set the poll and/or interrupt flags */ bus->intr = true; @@ -3769,41 +3853,12 @@ brcmf_sdbrcm_probe_attach(struct brcmf_sdio *bus, u32 regsva) return true; fail: + sdio_release_host(bus->sdiodev->func[1]); return false; } -static bool brcmf_sdbrcm_probe_init(struct brcmf_sdio *bus) -{ - brcmf_dbg(TRACE, "Enter\n"); - - /* Disable F2 to clear any intermediate frame state on the dongle */ - brcmf_sdio_regwb(bus->sdiodev, SDIO_CCCR_IOEx, - SDIO_FUNC_ENABLE_1, NULL); - - bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN; - bus->rxflow = false; - - /* Done with backplane-dependent accesses, can drop clock... */ - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL); - - /* ...and initialize clock/power states */ - bus->clkstate = CLK_SDONLY; - bus->idletime = BRCMF_IDLE_INTERVAL; - bus->idleclock = BRCMF_IDLE_ACTIVE; - - /* Query the F2 block size, set roundup accordingly */ - bus->blocksize = bus->sdiodev->func[2]->cur_blksize; - bus->roundup = min(max_roundup, bus->blocksize); - - /* bus module does not support packet chaining */ - bus->use_rxchain = false; - bus->sd_rxchain = false; - - return true; -} - static int -brcmf_sdbrcm_watchdog_thread(void *data) +brcmf_sdio_watchdog_thread(void *data) { struct brcmf_sdio *bus = (struct brcmf_sdio *)data; @@ -3813,9 +3868,10 @@ brcmf_sdbrcm_watchdog_thread(void *data) if (kthread_should_stop()) break; if (!wait_for_completion_interruptible(&bus->watchdog_wait)) { - brcmf_sdbrcm_bus_watchdog(bus); + brcmf_sdio_bus_watchdog(bus); /* Count the tick for reference */ bus->sdcnt.tickcnt++; + reinit_completion(&bus->watchdog_wait); } else break; } @@ -3823,7 +3879,7 @@ brcmf_sdbrcm_watchdog_thread(void *data) } static void -brcmf_sdbrcm_watchdog(unsigned long data) +brcmf_sdio_watchdog(unsigned long data) { struct brcmf_sdio *bus = (struct brcmf_sdio *)data; @@ -3836,61 +3892,124 @@ brcmf_sdbrcm_watchdog(unsigned long data) } } -static void brcmf_sdbrcm_release_dongle(struct brcmf_sdio *bus) +static struct brcmf_bus_ops brcmf_sdio_bus_ops = { + .stop = brcmf_sdio_bus_stop, + .preinit = brcmf_sdio_bus_preinit, + .txdata = brcmf_sdio_bus_txdata, + .txctl = brcmf_sdio_bus_txctl, + .rxctl = brcmf_sdio_bus_rxctl, + .gettxq = brcmf_sdio_bus_gettxq, +}; + +static void brcmf_sdio_firmware_callback(struct device *dev, + const struct firmware *code, + void *nvram, u32 nvram_len) { - brcmf_dbg(TRACE, "Enter\n"); + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + struct brcmf_sdio *bus = sdiodev->bus; + int err = 0; + u8 saveclk; - if (bus->ci) { - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); - brcmf_sdbrcm_clkctl(bus, CLK_NONE, false); - brcmf_sdio_chip_detach(&bus->ci); - if (bus->vars && bus->varsz) - kfree(bus->vars); - bus->vars = NULL; + brcmf_dbg(TRACE, "Enter: dev=%s\n", dev_name(dev)); + + /* try to download image and nvram to the dongle */ + if (bus_if->state == BRCMF_BUS_DOWN) { + bus->alp_only = true; + err = brcmf_sdio_download_firmware(bus, code, nvram, nvram_len); + if (err) + goto fail; + bus->alp_only = false; } - brcmf_dbg(TRACE, "Disconnected\n"); -} + if (!bus_if->drvr) + return; -/* Detach and free everything */ -static void brcmf_sdbrcm_release(struct brcmf_sdio *bus) -{ - brcmf_dbg(TRACE, "Enter\n"); + /* Start the watchdog timer */ + bus->sdcnt.tickcnt = 0; + brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS); - if (bus) { - /* De-register interrupt handler */ - brcmf_sdio_intr_unregister(bus->sdiodev); + sdio_claim_host(sdiodev->func[1]); - cancel_work_sync(&bus->datawork); - destroy_workqueue(bus->brcmf_wq); + /* Make sure backplane clock is on, needed to generate F2 interrupt */ + brcmf_sdio_clkctl(bus, CLK_AVAIL, false); + if (bus->clkstate != CLK_AVAIL) + goto release; - if (bus->sdiodev->bus_if->drvr) { - brcmf_detach(bus->sdiodev->dev); - brcmf_sdbrcm_release_dongle(bus); - } + /* Force clocks on backplane to be sure F2 interrupt propagates */ + saveclk = brcmf_sdiod_regrb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, &err); + if (!err) { + brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, + (saveclk | SBSDIO_FORCE_HT), &err); + } + if (err) { + brcmf_err("Failed to force clock for F2: err %d\n", err); + goto release; + } + + /* Enable function 2 (frame transfers) */ + w_sdreg32(bus, SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT, + offsetof(struct sdpcmd_regs, tosbmailboxdata)); + err = sdio_enable_func(sdiodev->func[SDIO_FUNC_2]); - brcmf_sdbrcm_release_malloc(bus); - kfree(bus); + brcmf_dbg(INFO, "enable F2: err=%d\n", err); + + /* If F2 successfully enabled, set core and enable interrupts */ + if (!err) { + /* Set up the interrupt mask and enable interrupts */ + bus->hostintmask = HOSTINTMASK; + w_sdreg32(bus, bus->hostintmask, + offsetof(struct sdpcmd_regs, hostintmask)); + + brcmf_sdiod_regwb(sdiodev, SBSDIO_WATERMARK, 8, &err); + } else { + /* Disable F2 again */ + sdio_disable_func(sdiodev->func[SDIO_FUNC_2]); + goto release; } - brcmf_dbg(TRACE, "Disconnected\n"); + if (brcmf_chip_sr_capable(bus->ci)) { + brcmf_sdio_sr_init(bus); + } else { + /* Restore previous clock setting */ + brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, + saveclk, &err); + } + + if (err == 0) { + err = brcmf_sdiod_intr_register(sdiodev); + if (err != 0) + brcmf_err("intr register failed:%d\n", err); + } + + /* If we didn't come up, turn off backplane clock */ + if (err != 0) + brcmf_sdio_clkctl(bus, CLK_NONE, false); + + sdio_release_host(sdiodev->func[1]); + + err = brcmf_bus_start(dev); + if (err != 0) { + brcmf_err("dongle is not responding\n"); + goto fail; + } + return; + +release: + sdio_release_host(sdiodev->func[1]); +fail: + brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), err); + device_release_driver(dev); } -void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev) +struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) { int ret; struct brcmf_sdio *bus; - struct brcmf_bus_dcmd *dlst; - u32 dngl_txglom; - u32 dngl_txglomalign; - u8 idx; brcmf_dbg(TRACE, "Enter\n"); - /* We make an assumption about address window mappings: - * regsva == SI_ENUM_BASE*/ - /* Allocate private bus interface state */ bus = kzalloc(sizeof(struct brcmf_sdio), GFP_ATOMIC); if (!bus) @@ -3902,122 +4021,171 @@ void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev) bus->txbound = BRCMF_TXBOUND; bus->rxbound = BRCMF_RXBOUND; bus->txminmax = BRCMF_TXMINMAX; - bus->tx_seq = SDPCM_SEQUENCE_WRAP - 1; + bus->tx_seq = SDPCM_SEQ_WRAP - 1; + + /* platform specific configuration: + * alignments must be at least 4 bytes for ADMA + */ + bus->head_align = ALIGNMENT; + bus->sgentry_align = ALIGNMENT; + if (sdiodev->pdata) { + if (sdiodev->pdata->sd_head_align > ALIGNMENT) + bus->head_align = sdiodev->pdata->sd_head_align; + if (sdiodev->pdata->sd_sgentry_align > ALIGNMENT) + bus->sgentry_align = sdiodev->pdata->sd_sgentry_align; + } + + INIT_WORK(&bus->datawork, brcmf_sdio_dataworker); + bus->brcmf_wq = create_singlethread_workqueue("brcmf_wq"); + if (bus->brcmf_wq == NULL) { + brcmf_err("insufficient memory to create txworkqueue\n"); + goto fail; + } /* attempt to attach to the dongle */ - if (!(brcmf_sdbrcm_probe_attach(bus, regsva))) { - brcmf_dbg(ERROR, "brcmf_sdbrcm_probe_attach failed\n"); + if (!(brcmf_sdio_probe_attach(bus))) { + brcmf_err("brcmf_sdio_probe_attach failed\n"); goto fail; } - spin_lock_init(&bus->txqlock); + spin_lock_init(&bus->rxctl_lock); + spin_lock_init(&bus->txq_lock); + sema_init(&bus->tx_seq_lock, 1); init_waitqueue_head(&bus->ctrl_wait); init_waitqueue_head(&bus->dcmd_resp_wait); - bus->brcmf_wq = create_singlethread_workqueue("brcmf_wq"); - if (bus->brcmf_wq == NULL) { - brcmf_dbg(ERROR, "insufficient memory to create txworkqueue\n"); - goto fail; - } - INIT_WORK(&bus->datawork, brcmf_sdio_dataworker); - /* Set up the watchdog timer */ init_timer(&bus->timer); bus->timer.data = (unsigned long)bus; - bus->timer.function = brcmf_sdbrcm_watchdog; - - /* Initialize thread based operation and lock */ - sema_init(&bus->sdsem, 1); + bus->timer.function = brcmf_sdio_watchdog; /* Initialize watchdog thread */ init_completion(&bus->watchdog_wait); - bus->watchdog_tsk = kthread_run(brcmf_sdbrcm_watchdog_thread, + bus->watchdog_tsk = kthread_run(brcmf_sdio_watchdog_thread, bus, "brcmf_watchdog"); if (IS_ERR(bus->watchdog_tsk)) { pr_warn("brcmf_watchdog thread failed to start\n"); bus->watchdog_tsk = NULL; } /* Initialize DPC thread */ - INIT_LIST_HEAD(&bus->dpc_tsklst); - spin_lock_init(&bus->dpc_tl_lock); + atomic_set(&bus->dpc_tskcnt, 0); /* Assign bus interface call back */ - bus->sdiodev->bus_if->brcmf_bus_stop = brcmf_sdbrcm_bus_stop; - bus->sdiodev->bus_if->brcmf_bus_init = brcmf_sdbrcm_bus_init; - bus->sdiodev->bus_if->brcmf_bus_txdata = brcmf_sdbrcm_bus_txdata; - bus->sdiodev->bus_if->brcmf_bus_txctl = brcmf_sdbrcm_bus_txctl; - bus->sdiodev->bus_if->brcmf_bus_rxctl = brcmf_sdbrcm_bus_rxctl; - /* Attach to the brcmf/OS/network interface */ - ret = brcmf_attach(SDPCM_RESERVE, bus->sdiodev->dev); + bus->sdiodev->bus_if->dev = bus->sdiodev->dev; + bus->sdiodev->bus_if->ops = &brcmf_sdio_bus_ops; + bus->sdiodev->bus_if->chip = bus->ci->chip; + bus->sdiodev->bus_if->chiprev = bus->ci->chiprev; + + /* default sdio bus header length for tx packet */ + bus->tx_hdrlen = SDPCM_HWHDR_LEN + SDPCM_SWHDR_LEN; + + /* Attach to the common layer, reserve hdr space */ + ret = brcmf_attach(bus->sdiodev->dev); if (ret != 0) { - brcmf_dbg(ERROR, "brcmf_attach failed\n"); + brcmf_err("brcmf_attach failed\n"); goto fail; } + /* Query the F2 block size, set roundup accordingly */ + bus->blocksize = bus->sdiodev->func[2]->cur_blksize; + bus->roundup = min(max_roundup, bus->blocksize); + /* Allocate buffers */ - if (!(brcmf_sdbrcm_probe_malloc(bus))) { - brcmf_dbg(ERROR, "brcmf_sdbrcm_probe_malloc failed\n"); - goto fail; + if (bus->sdiodev->bus_if->maxctl) { + bus->sdiodev->bus_if->maxctl += bus->roundup; + bus->rxblen = + roundup((bus->sdiodev->bus_if->maxctl + SDPCM_HDRLEN), + ALIGNMENT) + bus->head_align; + bus->rxbuf = kmalloc(bus->rxblen, GFP_ATOMIC); + if (!(bus->rxbuf)) { + brcmf_err("rxbuf allocation failed\n"); + goto fail; + } } - if (!(brcmf_sdbrcm_probe_init(bus))) { - brcmf_dbg(ERROR, "brcmf_sdbrcm_probe_init failed\n"); - goto fail; - } + sdio_claim_host(bus->sdiodev->func[1]); + + /* Disable F2 to clear any intermediate frame state on the dongle */ + sdio_disable_func(bus->sdiodev->func[SDIO_FUNC_2]); + + bus->rxflow = false; + + /* Done with backplane-dependent accesses, can drop clock... */ + brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL); + + sdio_release_host(bus->sdiodev->func[1]); + + /* ...and initialize clock/power states */ + bus->clkstate = CLK_SDONLY; + bus->idletime = BRCMF_IDLE_INTERVAL; + bus->idleclock = BRCMF_IDLE_ACTIVE; + + /* SR state */ + bus->sleeping = false; + bus->sr_enabled = false; brcmf_sdio_debugfs_create(bus); brcmf_dbg(INFO, "completed!!\n"); - /* sdio bus core specific dcmd */ - idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV); - dlst = kzalloc(sizeof(struct brcmf_bus_dcmd), GFP_KERNEL); - if (dlst) { - if (bus->ci->c_inf[idx].rev < 12) { - /* for sdio core rev < 12, disable txgloming */ - dngl_txglom = 0; - dlst->name = "bus:txglom"; - dlst->param = (char *)&dngl_txglom; - dlst->param_len = sizeof(u32); - } else { - /* otherwise, set txglomalign */ - dngl_txglomalign = bus->sdiodev->bus_if->align; - dlst->name = "bus:txglomalign"; - dlst->param = (char *)&dngl_txglomalign; - dlst->param_len = sizeof(u32); - } - list_add(&dlst->list, &bus->sdiodev->bus_if->dcmd_list); - } - - /* if firmware path present try to download and bring up bus */ - ret = brcmf_bus_start(bus->sdiodev->dev); + ret = brcmf_fw_get_firmwares(sdiodev->dev, BRCMF_FW_REQUEST_NVRAM, + brcmf_sdio_get_fwname(bus->ci, + BRCMF_FIRMWARE_BIN), + brcmf_sdio_get_fwname(bus->ci, + BRCMF_FIRMWARE_NVRAM), + brcmf_sdio_firmware_callback); if (ret != 0) { - if (ret == -ENOLINK) { - brcmf_dbg(ERROR, "dongle is not responding\n"); - goto fail; - } + brcmf_err("async firmware request failed: %d\n", ret); + goto fail; } return bus; fail: - brcmf_sdbrcm_release(bus); + brcmf_sdio_remove(bus); return NULL; } -void brcmf_sdbrcm_disconnect(void *ptr) +/* Detach and free everything */ +void brcmf_sdio_remove(struct brcmf_sdio *bus) { - struct brcmf_sdio *bus = (struct brcmf_sdio *)ptr; - brcmf_dbg(TRACE, "Enter\n"); - if (bus) - brcmf_sdbrcm_release(bus); + if (bus) { + /* De-register interrupt handler */ + brcmf_sdiod_intr_unregister(bus->sdiodev); + + brcmf_detach(bus->sdiodev->dev); + + cancel_work_sync(&bus->datawork); + if (bus->brcmf_wq) + destroy_workqueue(bus->brcmf_wq); + + if (bus->ci) { + if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) { + sdio_claim_host(bus->sdiodev->func[1]); + brcmf_sdio_clkctl(bus, CLK_AVAIL, false); + /* Leave the device in state where it is + * 'quiet'. This is done by putting it in + * download_state which essentially resets + * all necessary cores. + */ + msleep(20); + brcmf_chip_enter_download(bus->ci); + brcmf_sdio_clkctl(bus, CLK_NONE, false); + sdio_release_host(bus->sdiodev->func[1]); + } + brcmf_chip_detach(bus->ci); + } + + kfree(bus->rxbuf); + kfree(bus->hdrbuf); + kfree(bus); + } brcmf_dbg(TRACE, "Disconnected\n"); } -void -brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick) +void brcmf_sdio_wd_timer(struct brcmf_sdio *bus, uint wdtick) { /* Totally stop the timer */ if (!wdtick && bus->wd_timer_valid) { @@ -4028,7 +4196,7 @@ brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick) } /* don't start the wd until fw is loaded */ - if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) + if (bus->sdiodev->bus_if->state != BRCMF_BUS_DATA) return; if (wdtick) { diff --git a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c new file mode 100644 index 00000000000..7b7d237c1dd --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c @@ -0,0 +1,332 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/device.h> +#include <linux/firmware.h> + +#include "dhd_dbg.h" +#include "firmware.h" + +enum nvram_parser_state { + IDLE, + KEY, + VALUE, + COMMENT, + END +}; + +/** + * struct nvram_parser - internal info for parser. + * + * @state: current parser state. + * @fwnv: input buffer being parsed. + * @nvram: output buffer with parse result. + * @nvram_len: lenght of parse result. + * @line: current line. + * @column: current column in line. + * @pos: byte offset in input buffer. + * @entry: start position of key,value entry. + */ +struct nvram_parser { + enum nvram_parser_state state; + const struct firmware *fwnv; + u8 *nvram; + u32 nvram_len; + u32 line; + u32 column; + u32 pos; + u32 entry; +}; + +static bool is_nvram_char(char c) +{ + /* comment marker excluded */ + if (c == '#') + return false; + + /* key and value may have any other readable character */ + return (c > 0x20 && c < 0x7f); +} + +static bool is_whitespace(char c) +{ + return (c == ' ' || c == '\r' || c == '\n' || c == '\t'); +} + +static enum nvram_parser_state brcmf_nvram_handle_idle(struct nvram_parser *nvp) +{ + char c; + + c = nvp->fwnv->data[nvp->pos]; + if (c == '\n') + return COMMENT; + if (is_whitespace(c)) + goto proceed; + if (c == '#') + return COMMENT; + if (is_nvram_char(c)) { + nvp->entry = nvp->pos; + return KEY; + } + brcmf_dbg(INFO, "warning: ln=%d:col=%d: ignoring invalid character\n", + nvp->line, nvp->column); +proceed: + nvp->column++; + nvp->pos++; + return IDLE; +} + +static enum nvram_parser_state brcmf_nvram_handle_key(struct nvram_parser *nvp) +{ + enum nvram_parser_state st = nvp->state; + char c; + + c = nvp->fwnv->data[nvp->pos]; + if (c == '=') { + st = VALUE; + } else if (!is_nvram_char(c)) { + brcmf_dbg(INFO, "warning: ln=%d:col=%d: '=' expected, skip invalid key entry\n", + nvp->line, nvp->column); + return COMMENT; + } + + nvp->column++; + nvp->pos++; + return st; +} + +static enum nvram_parser_state +brcmf_nvram_handle_value(struct nvram_parser *nvp) +{ + char c; + char *skv; + char *ekv; + u32 cplen; + + c = nvp->fwnv->data[nvp->pos]; + if (!is_nvram_char(c)) { + /* key,value pair complete */ + ekv = (u8 *)&nvp->fwnv->data[nvp->pos]; + skv = (u8 *)&nvp->fwnv->data[nvp->entry]; + cplen = ekv - skv; + /* copy to output buffer */ + memcpy(&nvp->nvram[nvp->nvram_len], skv, cplen); + nvp->nvram_len += cplen; + nvp->nvram[nvp->nvram_len] = '\0'; + nvp->nvram_len++; + return IDLE; + } + nvp->pos++; + nvp->column++; + return VALUE; +} + +static enum nvram_parser_state +brcmf_nvram_handle_comment(struct nvram_parser *nvp) +{ + char *eol, *sol; + + sol = (char *)&nvp->fwnv->data[nvp->pos]; + eol = strchr(sol, '\n'); + if (eol == NULL) + return END; + + /* eat all moving to next line */ + nvp->line++; + nvp->column = 1; + nvp->pos += (eol - sol) + 1; + return IDLE; +} + +static enum nvram_parser_state brcmf_nvram_handle_end(struct nvram_parser *nvp) +{ + /* final state */ + return END; +} + +static enum nvram_parser_state +(*nv_parser_states[])(struct nvram_parser *nvp) = { + brcmf_nvram_handle_idle, + brcmf_nvram_handle_key, + brcmf_nvram_handle_value, + brcmf_nvram_handle_comment, + brcmf_nvram_handle_end +}; + +static int brcmf_init_nvram_parser(struct nvram_parser *nvp, + const struct firmware *nv) +{ + memset(nvp, 0, sizeof(*nvp)); + nvp->fwnv = nv; + /* Alloc for extra 0 byte + roundup by 4 + length field */ + nvp->nvram = kzalloc(nv->size + 1 + 3 + sizeof(u32), GFP_KERNEL); + if (!nvp->nvram) + return -ENOMEM; + + nvp->line = 1; + nvp->column = 1; + return 0; +} + +/* brcmf_nvram_strip :Takes a buffer of "<var>=<value>\n" lines read from a fil + * and ending in a NUL. Removes carriage returns, empty lines, comment lines, + * and converts newlines to NULs. Shortens buffer as needed and pads with NULs. + * End of buffer is completed with token identifying length of buffer. + */ +static void *brcmf_fw_nvram_strip(const struct firmware *nv, u32 *new_length) +{ + struct nvram_parser nvp; + u32 pad; + u32 token; + __le32 token_le; + + if (brcmf_init_nvram_parser(&nvp, nv) < 0) + return NULL; + + while (nvp.pos < nv->size) { + nvp.state = nv_parser_states[nvp.state](&nvp); + if (nvp.state == END) + break; + } + pad = nvp.nvram_len; + *new_length = roundup(nvp.nvram_len + 1, 4); + while (pad != *new_length) { + nvp.nvram[pad] = 0; + pad++; + } + + token = *new_length / 4; + token = (~token << 16) | (token & 0x0000FFFF); + token_le = cpu_to_le32(token); + + memcpy(&nvp.nvram[*new_length], &token_le, sizeof(token_le)); + *new_length += sizeof(token_le); + + return nvp.nvram; +} + +void brcmf_fw_nvram_free(void *nvram) +{ + kfree(nvram); +} + +struct brcmf_fw { + struct device *dev; + u16 flags; + const struct firmware *code; + const char *nvram_name; + void (*done)(struct device *dev, const struct firmware *fw, + void *nvram_image, u32 nvram_len); +}; + +static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx) +{ + struct brcmf_fw *fwctx = ctx; + u32 nvram_length = 0; + void *nvram = NULL; + + brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev)); + if (!fw && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) + goto fail; + + if (fw) { + nvram = brcmf_fw_nvram_strip(fw, &nvram_length); + release_firmware(fw); + if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) + goto fail; + } + + fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length); + kfree(fwctx); + return; + +fail: + brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); + if (fwctx->code) + release_firmware(fwctx->code); + device_release_driver(fwctx->dev); + kfree(fwctx); +} + +static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx) +{ + struct brcmf_fw *fwctx = ctx; + int ret; + + brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev)); + if (!fw) + goto fail; + + /* only requested code so done here */ + if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) { + fwctx->done(fwctx->dev, fw, NULL, 0); + kfree(fwctx); + return; + } + fwctx->code = fw; + ret = request_firmware_nowait(THIS_MODULE, true, fwctx->nvram_name, + fwctx->dev, GFP_KERNEL, fwctx, + brcmf_fw_request_nvram_done); + + if (!ret) + return; + + /* when nvram is optional call .done() callback here */ + if (fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL) { + fwctx->done(fwctx->dev, fw, NULL, 0); + kfree(fwctx); + return; + } + + /* failed nvram request */ + release_firmware(fw); +fail: + brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); + device_release_driver(fwctx->dev); + kfree(fwctx); +} + +int brcmf_fw_get_firmwares(struct device *dev, u16 flags, + const char *code, const char *nvram, + void (*fw_cb)(struct device *dev, + const struct firmware *fw, + void *nvram_image, u32 nvram_len)) +{ + struct brcmf_fw *fwctx; + + brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev)); + if (!fw_cb || !code) + return -EINVAL; + + if ((flags & BRCMF_FW_REQUEST_NVRAM) && !nvram) + return -EINVAL; + + fwctx = kzalloc(sizeof(*fwctx), GFP_KERNEL); + if (!fwctx) + return -ENOMEM; + + fwctx->dev = dev; + fwctx->flags = flags; + fwctx->done = fw_cb; + if (flags & BRCMF_FW_REQUEST_NVRAM) + fwctx->nvram_name = nvram; + + return request_firmware_nowait(THIS_MODULE, true, code, dev, + GFP_KERNEL, fwctx, + brcmf_fw_request_code_done); +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/firmware.h b/drivers/net/wireless/brcm80211/brcmfmac/firmware.h new file mode 100644 index 00000000000..6431bfd7aff --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/firmware.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef BRCMFMAC_FIRMWARE_H +#define BRCMFMAC_FIRMWARE_H + +#define BRCMF_FW_REQUEST 0x000F +#define BRCMF_FW_REQUEST_NVRAM 0x0001 +#define BRCMF_FW_REQ_FLAGS 0x00F0 +#define BRCMF_FW_REQ_NV_OPTIONAL 0x0010 + +void brcmf_fw_nvram_free(void *nvram); +/* + * Request firmware(s) asynchronously. When the asynchronous request + * fails it will not use the callback, but call device_release_driver() + * instead which will call the driver .remove() callback. + */ +int brcmf_fw_get_firmwares(struct device *dev, u16 flags, + const char *code, const char *nvram, + void (*fw_cb)(struct device *dev, + const struct firmware *fw, + void *nvram_image, u32 nvram_len)); + +#endif /* BRCMFMAC_FIRMWARE_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c new file mode 100644 index 00000000000..fad77dd2a3a --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c @@ -0,0 +1,456 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <linux/netdevice.h> + +#include "brcmu_wifi.h" +#include "brcmu_utils.h" + +#include "dhd.h" +#include "dhd_dbg.h" +#include "tracepoint.h" +#include "fwsignal.h" +#include "fweh.h" +#include "fwil.h" + +/** + * struct brcm_ethhdr - broadcom specific ether header. + * + * @subtype: subtype for this packet. + * @length: TODO: length of appended data. + * @version: version indication. + * @oui: OUI of this packet. + * @usr_subtype: subtype for this OUI. + */ +struct brcm_ethhdr { + __be16 subtype; + __be16 length; + u8 version; + u8 oui[3]; + __be16 usr_subtype; +} __packed; + +struct brcmf_event_msg_be { + __be16 version; + __be16 flags; + __be32 event_type; + __be32 status; + __be32 reason; + __be32 auth_type; + __be32 datalen; + u8 addr[ETH_ALEN]; + char ifname[IFNAMSIZ]; + u8 ifidx; + u8 bsscfgidx; +} __packed; + +/** + * struct brcmf_event - contents of broadcom event packet. + * + * @eth: standard ether header. + * @hdr: broadcom specific ether header. + * @msg: common part of the actual event message. + */ +struct brcmf_event { + struct ethhdr eth; + struct brcm_ethhdr hdr; + struct brcmf_event_msg_be msg; +} __packed; + +/** + * struct brcmf_fweh_queue_item - event item on event queue. + * + * @q: list element for queuing. + * @code: event code. + * @ifidx: interface index related to this event. + * @ifaddr: ethernet address for interface. + * @emsg: common parameters of the firmware event message. + * @data: event specific data part of the firmware event. + */ +struct brcmf_fweh_queue_item { + struct list_head q; + enum brcmf_fweh_event_code code; + u8 ifidx; + u8 ifaddr[ETH_ALEN]; + struct brcmf_event_msg_be emsg; + u8 data[0]; +}; + +/** + * struct brcmf_fweh_event_name - code, name mapping entry. + */ +struct brcmf_fweh_event_name { + enum brcmf_fweh_event_code code; + const char *name; +}; + +#ifdef DEBUG +#define BRCMF_ENUM_DEF(id, val) \ + { val, #id }, + +/* array for mapping code to event name */ +static struct brcmf_fweh_event_name fweh_event_names[] = { + BRCMF_FWEH_EVENT_ENUM_DEFLIST +}; +#undef BRCMF_ENUM_DEF + +/** + * brcmf_fweh_event_name() - returns name for given event code. + * + * @code: code to lookup. + */ +static const char *brcmf_fweh_event_name(enum brcmf_fweh_event_code code) +{ + int i; + for (i = 0; i < ARRAY_SIZE(fweh_event_names); i++) { + if (fweh_event_names[i].code == code) + return fweh_event_names[i].name; + } + return "unknown"; +} +#else +static const char *brcmf_fweh_event_name(enum brcmf_fweh_event_code code) +{ + return "nodebug"; +} +#endif + +/** + * brcmf_fweh_queue_event() - create and queue event. + * + * @fweh: firmware event handling info. + * @event: event queue entry. + */ +static void brcmf_fweh_queue_event(struct brcmf_fweh_info *fweh, + struct brcmf_fweh_queue_item *event) +{ + ulong flags; + + spin_lock_irqsave(&fweh->evt_q_lock, flags); + list_add_tail(&event->q, &fweh->event_q); + spin_unlock_irqrestore(&fweh->evt_q_lock, flags); + schedule_work(&fweh->event_work); +} + +static int brcmf_fweh_call_event_handler(struct brcmf_if *ifp, + enum brcmf_fweh_event_code code, + struct brcmf_event_msg *emsg, + void *data) +{ + struct brcmf_fweh_info *fweh; + int err = -EINVAL; + + if (ifp) { + fweh = &ifp->drvr->fweh; + + /* handle the event if valid interface and handler */ + if (fweh->evt_handler[code]) + err = fweh->evt_handler[code](ifp, emsg, data); + else + brcmf_err("unhandled event %d ignored\n", code); + } else { + brcmf_err("no interface object\n"); + } + return err; +} + +/** + * brcmf_fweh_handle_if_event() - handle IF event. + * + * @drvr: driver information object. + * @item: queue entry. + * @ifpp: interface object (may change upon ADD action). + */ +static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, + struct brcmf_event_msg *emsg, + void *data) +{ + struct brcmf_if_event *ifevent = data; + struct brcmf_if *ifp; + int err = 0; + + brcmf_dbg(EVENT, "action: %u idx: %u bsscfg: %u flags: %u role: %u\n", + ifevent->action, ifevent->ifidx, ifevent->bssidx, + ifevent->flags, ifevent->role); + + if (ifevent->flags & BRCMF_E_IF_FLAG_NOIF) { + brcmf_dbg(EVENT, "event can be ignored\n"); + return; + } + if (ifevent->ifidx >= BRCMF_MAX_IFS) { + brcmf_err("invalid interface index: %u\n", + ifevent->ifidx); + return; + } + + ifp = drvr->iflist[ifevent->bssidx]; + + if (ifevent->action == BRCMF_E_IF_ADD) { + brcmf_dbg(EVENT, "adding %s (%pM)\n", emsg->ifname, + emsg->addr); + ifp = brcmf_add_if(drvr, ifevent->bssidx, ifevent->ifidx, + emsg->ifname, emsg->addr); + if (IS_ERR(ifp)) + return; + brcmf_fws_add_interface(ifp); + if (!drvr->fweh.evt_handler[BRCMF_E_IF]) + if (brcmf_net_attach(ifp, false) < 0) + return; + } + + if (ifevent->action == BRCMF_E_IF_CHANGE) + brcmf_fws_reset_interface(ifp); + + err = brcmf_fweh_call_event_handler(ifp, emsg->event_code, emsg, data); + + if (ifevent->action == BRCMF_E_IF_DEL) { + brcmf_fws_del_interface(ifp); + brcmf_del_if(drvr, ifevent->bssidx); + } +} + +/** + * brcmf_fweh_dequeue_event() - get event from the queue. + * + * @fweh: firmware event handling info. + */ +static struct brcmf_fweh_queue_item * +brcmf_fweh_dequeue_event(struct brcmf_fweh_info *fweh) +{ + struct brcmf_fweh_queue_item *event = NULL; + ulong flags; + + spin_lock_irqsave(&fweh->evt_q_lock, flags); + if (!list_empty(&fweh->event_q)) { + event = list_first_entry(&fweh->event_q, + struct brcmf_fweh_queue_item, q); + list_del(&event->q); + } + spin_unlock_irqrestore(&fweh->evt_q_lock, flags); + + return event; +} + +/** + * brcmf_fweh_event_worker() - firmware event worker. + * + * @work: worker object. + */ +static void brcmf_fweh_event_worker(struct work_struct *work) +{ + struct brcmf_pub *drvr; + struct brcmf_if *ifp; + struct brcmf_fweh_info *fweh; + struct brcmf_fweh_queue_item *event; + int err = 0; + struct brcmf_event_msg_be *emsg_be; + struct brcmf_event_msg emsg; + + fweh = container_of(work, struct brcmf_fweh_info, event_work); + drvr = container_of(fweh, struct brcmf_pub, fweh); + + while ((event = brcmf_fweh_dequeue_event(fweh))) { + brcmf_dbg(EVENT, "event %s (%u) ifidx %u bsscfg %u addr %pM\n", + brcmf_fweh_event_name(event->code), event->code, + event->emsg.ifidx, event->emsg.bsscfgidx, + event->emsg.addr); + + /* convert event message */ + emsg_be = &event->emsg; + emsg.version = be16_to_cpu(emsg_be->version); + emsg.flags = be16_to_cpu(emsg_be->flags); + emsg.event_code = event->code; + emsg.status = be32_to_cpu(emsg_be->status); + emsg.reason = be32_to_cpu(emsg_be->reason); + emsg.auth_type = be32_to_cpu(emsg_be->auth_type); + emsg.datalen = be32_to_cpu(emsg_be->datalen); + memcpy(emsg.addr, emsg_be->addr, ETH_ALEN); + memcpy(emsg.ifname, emsg_be->ifname, sizeof(emsg.ifname)); + emsg.ifidx = emsg_be->ifidx; + emsg.bsscfgidx = emsg_be->bsscfgidx; + + brcmf_dbg(EVENT, " version %u flags %u status %u reason %u\n", + emsg.version, emsg.flags, emsg.status, emsg.reason); + brcmf_dbg_hex_dump(BRCMF_EVENT_ON(), event->data, + min_t(u32, emsg.datalen, 64), + "event payload, len=%d\n", emsg.datalen); + + /* special handling of interface event */ + if (event->code == BRCMF_E_IF) { + brcmf_fweh_handle_if_event(drvr, &emsg, event->data); + goto event_free; + } + + ifp = drvr->iflist[emsg.bsscfgidx]; + err = brcmf_fweh_call_event_handler(ifp, event->code, &emsg, + event->data); + if (err) { + brcmf_err("event handler failed (%d)\n", + event->code); + err = 0; + } +event_free: + kfree(event); + } +} + +/** + * brcmf_fweh_attach() - initialize firmware event handling. + * + * @drvr: driver information object. + */ +void brcmf_fweh_attach(struct brcmf_pub *drvr) +{ + struct brcmf_fweh_info *fweh = &drvr->fweh; + INIT_WORK(&fweh->event_work, brcmf_fweh_event_worker); + spin_lock_init(&fweh->evt_q_lock); + INIT_LIST_HEAD(&fweh->event_q); +} + +/** + * brcmf_fweh_detach() - cleanup firmware event handling. + * + * @drvr: driver information object. + */ +void brcmf_fweh_detach(struct brcmf_pub *drvr) +{ + struct brcmf_fweh_info *fweh = &drvr->fweh; + struct brcmf_if *ifp = drvr->iflist[0]; + s8 eventmask[BRCMF_EVENTING_MASK_LEN]; + + if (ifp) { + /* clear all events */ + memset(eventmask, 0, BRCMF_EVENTING_MASK_LEN); + (void)brcmf_fil_iovar_data_set(ifp, "event_msgs", + eventmask, + BRCMF_EVENTING_MASK_LEN); + } + /* cancel the worker */ + cancel_work_sync(&fweh->event_work); + WARN_ON(!list_empty(&fweh->event_q)); + memset(fweh->evt_handler, 0, sizeof(fweh->evt_handler)); +} + +/** + * brcmf_fweh_register() - register handler for given event code. + * + * @drvr: driver information object. + * @code: event code. + * @handler: handler for the given event code. + */ +int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code, + brcmf_fweh_handler_t handler) +{ + if (drvr->fweh.evt_handler[code]) { + brcmf_err("event code %d already registered\n", code); + return -ENOSPC; + } + drvr->fweh.evt_handler[code] = handler; + brcmf_dbg(TRACE, "event handler registered for %s\n", + brcmf_fweh_event_name(code)); + return 0; +} + +/** + * brcmf_fweh_unregister() - remove handler for given code. + * + * @drvr: driver information object. + * @code: event code. + */ +void brcmf_fweh_unregister(struct brcmf_pub *drvr, + enum brcmf_fweh_event_code code) +{ + brcmf_dbg(TRACE, "event handler cleared for %s\n", + brcmf_fweh_event_name(code)); + drvr->fweh.evt_handler[code] = NULL; +} + +/** + * brcmf_fweh_activate_events() - enables firmware events registered. + * + * @ifp: primary interface object. + */ +int brcmf_fweh_activate_events(struct brcmf_if *ifp) +{ + int i, err; + s8 eventmask[BRCMF_EVENTING_MASK_LEN]; + + for (i = 0; i < BRCMF_E_LAST; i++) { + if (ifp->drvr->fweh.evt_handler[i]) { + brcmf_dbg(EVENT, "enable event %s\n", + brcmf_fweh_event_name(i)); + setbit(eventmask, i); + } + } + + /* want to handle IF event as well */ + brcmf_dbg(EVENT, "enable event IF\n"); + setbit(eventmask, BRCMF_E_IF); + + err = brcmf_fil_iovar_data_set(ifp, "event_msgs", + eventmask, BRCMF_EVENTING_MASK_LEN); + if (err) + brcmf_err("Set event_msgs error (%d)\n", err); + + return err; +} + +/** + * brcmf_fweh_process_event() - process skb as firmware event. + * + * @drvr: driver information object. + * @event_packet: event packet to process. + * + * If the packet buffer contains a firmware event message it will + * dispatch the event to a registered handler (using worker). + */ +void brcmf_fweh_process_event(struct brcmf_pub *drvr, + struct brcmf_event *event_packet) +{ + enum brcmf_fweh_event_code code; + struct brcmf_fweh_info *fweh = &drvr->fweh; + struct brcmf_fweh_queue_item *event; + gfp_t alloc_flag = GFP_KERNEL; + void *data; + u32 datalen; + + /* get event info */ + code = get_unaligned_be32(&event_packet->msg.event_type); + datalen = get_unaligned_be32(&event_packet->msg.datalen); + data = &event_packet[1]; + + if (code >= BRCMF_E_LAST) + return; + + if (code != BRCMF_E_IF && !fweh->evt_handler[code]) + return; + + if (in_interrupt()) + alloc_flag = GFP_ATOMIC; + + event = kzalloc(sizeof(*event) + datalen, alloc_flag); + if (!event) + return; + + event->code = code; + event->ifidx = event_packet->msg.ifidx; + + /* use memcpy to get aligned event message */ + memcpy(&event->emsg, &event_packet->msg, sizeof(event->emsg)); + memcpy(event->data, data, datalen); + memcpy(event->ifaddr, event_packet->eth.h_dest, ETH_ALEN); + + brcmf_fweh_queue_event(fweh, event); +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.h b/drivers/net/wireless/brcm80211/brcmfmac/fweh.h new file mode 100644 index 00000000000..51b53a73d07 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.h @@ -0,0 +1,277 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + + +#ifndef FWEH_H_ +#define FWEH_H_ + +#include <asm/unaligned.h> +#include <linux/skbuff.h> +#include <linux/if_ether.h> +#include <linux/if.h> + +/* formward declarations */ +struct brcmf_pub; +struct brcmf_if; +struct brcmf_cfg80211_info; +struct brcmf_event; + +/* list of firmware events */ +#define BRCMF_FWEH_EVENT_ENUM_DEFLIST \ + BRCMF_ENUM_DEF(SET_SSID, 0) \ + BRCMF_ENUM_DEF(JOIN, 1) \ + BRCMF_ENUM_DEF(START, 2) \ + BRCMF_ENUM_DEF(AUTH, 3) \ + BRCMF_ENUM_DEF(AUTH_IND, 4) \ + BRCMF_ENUM_DEF(DEAUTH, 5) \ + BRCMF_ENUM_DEF(DEAUTH_IND, 6) \ + BRCMF_ENUM_DEF(ASSOC, 7) \ + BRCMF_ENUM_DEF(ASSOC_IND, 8) \ + BRCMF_ENUM_DEF(REASSOC, 9) \ + BRCMF_ENUM_DEF(REASSOC_IND, 10) \ + BRCMF_ENUM_DEF(DISASSOC, 11) \ + BRCMF_ENUM_DEF(DISASSOC_IND, 12) \ + BRCMF_ENUM_DEF(QUIET_START, 13) \ + BRCMF_ENUM_DEF(QUIET_END, 14) \ + BRCMF_ENUM_DEF(BEACON_RX, 15) \ + BRCMF_ENUM_DEF(LINK, 16) \ + BRCMF_ENUM_DEF(MIC_ERROR, 17) \ + BRCMF_ENUM_DEF(NDIS_LINK, 18) \ + BRCMF_ENUM_DEF(ROAM, 19) \ + BRCMF_ENUM_DEF(TXFAIL, 20) \ + BRCMF_ENUM_DEF(PMKID_CACHE, 21) \ + BRCMF_ENUM_DEF(RETROGRADE_TSF, 22) \ + BRCMF_ENUM_DEF(PRUNE, 23) \ + BRCMF_ENUM_DEF(AUTOAUTH, 24) \ + BRCMF_ENUM_DEF(EAPOL_MSG, 25) \ + BRCMF_ENUM_DEF(SCAN_COMPLETE, 26) \ + BRCMF_ENUM_DEF(ADDTS_IND, 27) \ + BRCMF_ENUM_DEF(DELTS_IND, 28) \ + BRCMF_ENUM_DEF(BCNSENT_IND, 29) \ + BRCMF_ENUM_DEF(BCNRX_MSG, 30) \ + BRCMF_ENUM_DEF(BCNLOST_MSG, 31) \ + BRCMF_ENUM_DEF(ROAM_PREP, 32) \ + BRCMF_ENUM_DEF(PFN_NET_FOUND, 33) \ + BRCMF_ENUM_DEF(PFN_NET_LOST, 34) \ + BRCMF_ENUM_DEF(RESET_COMPLETE, 35) \ + BRCMF_ENUM_DEF(JOIN_START, 36) \ + BRCMF_ENUM_DEF(ROAM_START, 37) \ + BRCMF_ENUM_DEF(ASSOC_START, 38) \ + BRCMF_ENUM_DEF(IBSS_ASSOC, 39) \ + BRCMF_ENUM_DEF(RADIO, 40) \ + BRCMF_ENUM_DEF(PSM_WATCHDOG, 41) \ + BRCMF_ENUM_DEF(PROBREQ_MSG, 44) \ + BRCMF_ENUM_DEF(SCAN_CONFIRM_IND, 45) \ + BRCMF_ENUM_DEF(PSK_SUP, 46) \ + BRCMF_ENUM_DEF(COUNTRY_CODE_CHANGED, 47) \ + BRCMF_ENUM_DEF(EXCEEDED_MEDIUM_TIME, 48) \ + BRCMF_ENUM_DEF(ICV_ERROR, 49) \ + BRCMF_ENUM_DEF(UNICAST_DECODE_ERROR, 50) \ + BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \ + BRCMF_ENUM_DEF(TRACE, 52) \ + BRCMF_ENUM_DEF(IF, 54) \ + BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \ + BRCMF_ENUM_DEF(RSSI, 56) \ + BRCMF_ENUM_DEF(PFN_SCAN_COMPLETE, 57) \ + BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \ + BRCMF_ENUM_DEF(ACTION_FRAME, 59) \ + BRCMF_ENUM_DEF(ACTION_FRAME_COMPLETE, 60) \ + BRCMF_ENUM_DEF(PRE_ASSOC_IND, 61) \ + BRCMF_ENUM_DEF(PRE_REASSOC_IND, 62) \ + BRCMF_ENUM_DEF(CHANNEL_ADOPTED, 63) \ + BRCMF_ENUM_DEF(AP_STARTED, 64) \ + BRCMF_ENUM_DEF(DFS_AP_STOP, 65) \ + BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \ + BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \ + BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \ + BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \ + BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \ + BRCMF_ENUM_DEF(DCS_REQUEST, 73) \ + BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \ + BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75) \ + BRCMF_ENUM_DEF(BCMC_CREDIT_SUPPORT, 127) \ + BRCMF_ENUM_DEF(PSTA_PRIMARY_INTF_IND, 128) + +#define BRCMF_ENUM_DEF(id, val) \ + BRCMF_E_##id = (val), + +/* firmware event codes sent by the dongle */ +enum brcmf_fweh_event_code { + BRCMF_FWEH_EVENT_ENUM_DEFLIST + BRCMF_E_LAST +}; +#undef BRCMF_ENUM_DEF + +#define BRCMF_EVENTING_MASK_LEN DIV_ROUND_UP(BRCMF_E_LAST, 8) + +/* flags field values in struct brcmf_event_msg */ +#define BRCMF_EVENT_MSG_LINK 0x01 +#define BRCMF_EVENT_MSG_FLUSHTXQ 0x02 +#define BRCMF_EVENT_MSG_GROUP 0x04 + +/* status field values in struct brcmf_event_msg */ +#define BRCMF_E_STATUS_SUCCESS 0 +#define BRCMF_E_STATUS_FAIL 1 +#define BRCMF_E_STATUS_TIMEOUT 2 +#define BRCMF_E_STATUS_NO_NETWORKS 3 +#define BRCMF_E_STATUS_ABORT 4 +#define BRCMF_E_STATUS_NO_ACK 5 +#define BRCMF_E_STATUS_UNSOLICITED 6 +#define BRCMF_E_STATUS_ATTEMPT 7 +#define BRCMF_E_STATUS_PARTIAL 8 +#define BRCMF_E_STATUS_NEWSCAN 9 +#define BRCMF_E_STATUS_NEWASSOC 10 +#define BRCMF_E_STATUS_11HQUIET 11 +#define BRCMF_E_STATUS_SUPPRESS 12 +#define BRCMF_E_STATUS_NOCHANS 13 +#define BRCMF_E_STATUS_CS_ABORT 15 +#define BRCMF_E_STATUS_ERROR 16 + +/* reason field values in struct brcmf_event_msg */ +#define BRCMF_E_REASON_INITIAL_ASSOC 0 +#define BRCMF_E_REASON_LOW_RSSI 1 +#define BRCMF_E_REASON_DEAUTH 2 +#define BRCMF_E_REASON_DISASSOC 3 +#define BRCMF_E_REASON_BCNS_LOST 4 +#define BRCMF_E_REASON_MINTXRATE 9 +#define BRCMF_E_REASON_TXFAIL 10 + +#define BRCMF_E_REASON_LINK_BSSCFG_DIS 4 +#define BRCMF_E_REASON_FAST_ROAM_FAILED 5 +#define BRCMF_E_REASON_DIRECTED_ROAM 6 +#define BRCMF_E_REASON_TSPEC_REJECTED 7 +#define BRCMF_E_REASON_BETTER_AP 8 + +/* action field values for brcmf_ifevent */ +#define BRCMF_E_IF_ADD 1 +#define BRCMF_E_IF_DEL 2 +#define BRCMF_E_IF_CHANGE 3 + +/* flag field values for brcmf_ifevent */ +#define BRCMF_E_IF_FLAG_NOIF 1 + +/* role field values for brcmf_ifevent */ +#define BRCMF_E_IF_ROLE_STA 0 +#define BRCMF_E_IF_ROLE_AP 1 +#define BRCMF_E_IF_ROLE_WDS 2 + +/** + * definitions for event packet validation. + */ +#define BRCMF_EVENT_OUI_OFFSET 19 +#define BRCM_OUI "\x00\x10\x18" +#define DOT11_OUI_LEN 3 +#define BCMILCP_BCM_SUBTYPE_EVENT 1 + + +/** + * struct brcmf_event_msg - firmware event message. + * + * @version: version information. + * @flags: event flags. + * @event_code: firmware event code. + * @status: status information. + * @reason: reason code. + * @auth_type: authentication type. + * @datalen: lenght of event data buffer. + * @addr: ether address. + * @ifname: interface name. + * @ifidx: interface index. + * @bsscfgidx: bsscfg index. + */ +struct brcmf_event_msg { + u16 version; + u16 flags; + u32 event_code; + u32 status; + u32 reason; + s32 auth_type; + u32 datalen; + u8 addr[ETH_ALEN]; + char ifname[IFNAMSIZ]; + u8 ifidx; + u8 bsscfgidx; +}; + +struct brcmf_if_event { + u8 ifidx; + u8 action; + u8 flags; + u8 bssidx; + u8 role; +}; + +typedef int (*brcmf_fweh_handler_t)(struct brcmf_if *ifp, + const struct brcmf_event_msg *evtmsg, + void *data); + +/** + * struct brcmf_fweh_info - firmware event handling information. + * + * @event_work: event worker. + * @evt_q_lock: lock for event queue protection. + * @event_q: event queue. + * @evt_handler: registered event handlers. + */ +struct brcmf_fweh_info { + struct work_struct event_work; + spinlock_t evt_q_lock; + struct list_head event_q; + int (*evt_handler[BRCMF_E_LAST])(struct brcmf_if *ifp, + const struct brcmf_event_msg *evtmsg, + void *data); +}; + +void brcmf_fweh_attach(struct brcmf_pub *drvr); +void brcmf_fweh_detach(struct brcmf_pub *drvr); +int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code, + int (*handler)(struct brcmf_if *ifp, + const struct brcmf_event_msg *evtmsg, + void *data)); +void brcmf_fweh_unregister(struct brcmf_pub *drvr, + enum brcmf_fweh_event_code code); +int brcmf_fweh_activate_events(struct brcmf_if *ifp); +void brcmf_fweh_process_event(struct brcmf_pub *drvr, + struct brcmf_event *event_packet); + +static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr, + struct sk_buff *skb) +{ + struct brcmf_event *event_packet; + u8 *data; + u16 usr_stype; + + /* only process events when protocol matches */ + if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL)) + return; + + /* check for BRCM oui match */ + event_packet = (struct brcmf_event *)skb_mac_header(skb); + data = (u8 *)event_packet; + data += BRCMF_EVENT_OUI_OFFSET; + if (memcmp(BRCM_OUI, data, DOT11_OUI_LEN)) + return; + + /* final match on usr_subtype */ + data += DOT11_OUI_LEN; + usr_stype = get_unaligned_be16(data); + if (usr_stype != BCMILCP_BCM_SUBTYPE_EVENT) + return; + + brcmf_fweh_process_event(drvr, event_packet); +} + +#endif /* FWEH_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil.c b/drivers/net/wireless/brcm80211/brcmfmac/fwil.c new file mode 100644 index 00000000000..59a5af5bf99 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil.c @@ -0,0 +1,348 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* FWIL is the Firmware Interface Layer. In this module the support functions + * are located to set and get variables to and from the firmware. + */ + +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <brcmu_utils.h> +#include <brcmu_wifi.h> +#include "dhd.h" +#include "dhd_bus.h" +#include "dhd_dbg.h" +#include "tracepoint.h" +#include "fwil.h" +#include "proto.h" + + +#define MAX_HEX_DUMP_LEN 64 + + +static s32 +brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set) +{ + struct brcmf_pub *drvr = ifp->drvr; + s32 err; + + if (drvr->bus_if->state != BRCMF_BUS_DATA) { + brcmf_err("bus is down. we have nothing to do.\n"); + return -EIO; + } + + if (data != NULL) + len = min_t(uint, len, BRCMF_DCMD_MAXLEN); + if (set) + err = brcmf_proto_set_dcmd(drvr, ifp->ifidx, cmd, data, len); + else + err = brcmf_proto_query_dcmd(drvr, ifp->ifidx, cmd, data, len); + + if (err >= 0) + err = 0; + else + brcmf_err("Failed err=%d\n", err); + + return err; +} + +s32 +brcmf_fil_cmd_data_set(struct brcmf_if *ifp, u32 cmd, void *data, u32 len) +{ + s32 err; + + mutex_lock(&ifp->drvr->proto_block); + + brcmf_dbg(FIL, "cmd=%d, len=%d\n", cmd, len); + brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, + min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); + + err = brcmf_fil_cmd_data(ifp, cmd, data, len, true); + mutex_unlock(&ifp->drvr->proto_block); + + return err; +} + +s32 +brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len) +{ + s32 err; + + mutex_lock(&ifp->drvr->proto_block); + err = brcmf_fil_cmd_data(ifp, cmd, data, len, false); + + brcmf_dbg(FIL, "cmd=%d, len=%d\n", cmd, len); + brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, + min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); + + mutex_unlock(&ifp->drvr->proto_block); + + return err; +} + + +s32 +brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data) +{ + s32 err; + __le32 data_le = cpu_to_le32(data); + + mutex_lock(&ifp->drvr->proto_block); + brcmf_dbg(FIL, "cmd=%d, value=%d\n", cmd, data); + err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), true); + mutex_unlock(&ifp->drvr->proto_block); + + return err; +} + +s32 +brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data) +{ + s32 err; + __le32 data_le = cpu_to_le32(*data); + + mutex_lock(&ifp->drvr->proto_block); + err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), false); + mutex_unlock(&ifp->drvr->proto_block); + *data = le32_to_cpu(data_le); + brcmf_dbg(FIL, "cmd=%d, value=%d\n", cmd, *data); + + return err; +} + +static u32 +brcmf_create_iovar(char *name, const char *data, u32 datalen, + char *buf, u32 buflen) +{ + u32 len; + + len = strlen(name) + 1; + + if ((len + datalen) > buflen) + return 0; + + memcpy(buf, name, len); + + /* append data onto the end of the name string */ + if (data && datalen) + memcpy(&buf[len], data, datalen); + + return len + datalen; +} + + +s32 +brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, const void *data, + u32 len) +{ + struct brcmf_pub *drvr = ifp->drvr; + s32 err; + u32 buflen; + + mutex_lock(&drvr->proto_block); + + brcmf_dbg(FIL, "name=%s, len=%d\n", name, len); + brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, + min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); + + buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf, + sizeof(drvr->proto_buf)); + if (buflen) { + err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf, + buflen, true); + } else { + err = -EPERM; + brcmf_err("Creating iovar failed\n"); + } + + mutex_unlock(&drvr->proto_block); + return err; +} + +s32 +brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data, + u32 len) +{ + struct brcmf_pub *drvr = ifp->drvr; + s32 err; + u32 buflen; + + mutex_lock(&drvr->proto_block); + + buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf, + sizeof(drvr->proto_buf)); + if (buflen) { + err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf, + buflen, false); + if (err == 0) + memcpy(data, drvr->proto_buf, len); + } else { + err = -EPERM; + brcmf_err("Creating iovar failed\n"); + } + + brcmf_dbg(FIL, "name=%s, len=%d\n", name, len); + brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, + min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); + + mutex_unlock(&drvr->proto_block); + return err; +} + +s32 +brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data) +{ + __le32 data_le = cpu_to_le32(data); + + return brcmf_fil_iovar_data_set(ifp, name, &data_le, sizeof(data_le)); +} + +s32 +brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data) +{ + __le32 data_le = cpu_to_le32(*data); + s32 err; + + err = brcmf_fil_iovar_data_get(ifp, name, &data_le, sizeof(data_le)); + if (err == 0) + *data = le32_to_cpu(data_le); + return err; +} + +static u32 +brcmf_create_bsscfg(s32 bssidx, char *name, char *data, u32 datalen, char *buf, + u32 buflen) +{ + const s8 *prefix = "bsscfg:"; + s8 *p; + u32 prefixlen; + u32 namelen; + u32 iolen; + __le32 bssidx_le; + + if (bssidx == 0) + return brcmf_create_iovar(name, data, datalen, buf, buflen); + + prefixlen = strlen(prefix); + namelen = strlen(name) + 1; /* lengh of iovar name + null */ + iolen = prefixlen + namelen + sizeof(bssidx_le) + datalen; + + if (buflen < iolen) { + brcmf_err("buffer is too short\n"); + return 0; + } + + p = buf; + + /* copy prefix, no null */ + memcpy(p, prefix, prefixlen); + p += prefixlen; + + /* copy iovar name including null */ + memcpy(p, name, namelen); + p += namelen; + + /* bss config index as first data */ + bssidx_le = cpu_to_le32(bssidx); + memcpy(p, &bssidx_le, sizeof(bssidx_le)); + p += sizeof(bssidx_le); + + /* parameter buffer follows */ + if (datalen) + memcpy(p, data, datalen); + + return iolen; +} + +s32 +brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name, + void *data, u32 len) +{ + struct brcmf_pub *drvr = ifp->drvr; + s32 err; + u32 buflen; + + mutex_lock(&drvr->proto_block); + + brcmf_dbg(FIL, "bssidx=%d, name=%s, len=%d\n", ifp->bssidx, name, len); + brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, + min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); + + buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len, + drvr->proto_buf, sizeof(drvr->proto_buf)); + if (buflen) { + err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf, + buflen, true); + } else { + err = -EPERM; + brcmf_err("Creating bsscfg failed\n"); + } + + mutex_unlock(&drvr->proto_block); + return err; +} + +s32 +brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name, + void *data, u32 len) +{ + struct brcmf_pub *drvr = ifp->drvr; + s32 err; + u32 buflen; + + mutex_lock(&drvr->proto_block); + + buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len, + drvr->proto_buf, sizeof(drvr->proto_buf)); + if (buflen) { + err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf, + buflen, false); + if (err == 0) + memcpy(data, drvr->proto_buf, len); + } else { + err = -EPERM; + brcmf_err("Creating bsscfg failed\n"); + } + brcmf_dbg(FIL, "bssidx=%d, name=%s, len=%d\n", ifp->bssidx, name, len); + brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, + min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); + + mutex_unlock(&drvr->proto_block); + return err; + +} + +s32 +brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data) +{ + __le32 data_le = cpu_to_le32(data); + + return brcmf_fil_bsscfg_data_set(ifp, name, &data_le, + sizeof(data_le)); +} + +s32 +brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data) +{ + __le32 data_le = cpu_to_le32(*data); + s32 err; + + err = brcmf_fil_bsscfg_data_get(ifp, name, &data_le, + sizeof(data_le)); + if (err == 0) + *data = le32_to_cpu(data_le); + return err; +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil.h new file mode 100644 index 00000000000..a30be683f4a --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil.h @@ -0,0 +1,100 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _fwil_h_ +#define _fwil_h_ + +/******************************************************************************* + * Dongle command codes that are interpreted by firmware + ******************************************************************************/ +#define BRCMF_C_GET_VERSION 1 +#define BRCMF_C_UP 2 +#define BRCMF_C_DOWN 3 +#define BRCMF_C_SET_PROMISC 10 +#define BRCMF_C_GET_RATE 12 +#define BRCMF_C_GET_INFRA 19 +#define BRCMF_C_SET_INFRA 20 +#define BRCMF_C_GET_AUTH 21 +#define BRCMF_C_SET_AUTH 22 +#define BRCMF_C_GET_BSSID 23 +#define BRCMF_C_GET_SSID 25 +#define BRCMF_C_SET_SSID 26 +#define BRCMF_C_TERMINATED 28 +#define BRCMF_C_GET_CHANNEL 29 +#define BRCMF_C_SET_CHANNEL 30 +#define BRCMF_C_GET_SRL 31 +#define BRCMF_C_SET_SRL 32 +#define BRCMF_C_GET_LRL 33 +#define BRCMF_C_SET_LRL 34 +#define BRCMF_C_GET_RADIO 37 +#define BRCMF_C_SET_RADIO 38 +#define BRCMF_C_GET_PHYTYPE 39 +#define BRCMF_C_SET_KEY 45 +#define BRCMF_C_SET_PASSIVE_SCAN 49 +#define BRCMF_C_SCAN 50 +#define BRCMF_C_SCAN_RESULTS 51 +#define BRCMF_C_DISASSOC 52 +#define BRCMF_C_REASSOC 53 +#define BRCMF_C_SET_ROAM_TRIGGER 55 +#define BRCMF_C_SET_ROAM_DELTA 57 +#define BRCMF_C_GET_BCNPRD 75 +#define BRCMF_C_SET_BCNPRD 76 +#define BRCMF_C_GET_DTIMPRD 77 +#define BRCMF_C_SET_DTIMPRD 78 +#define BRCMF_C_SET_COUNTRY 84 +#define BRCMF_C_GET_PM 85 +#define BRCMF_C_SET_PM 86 +#define BRCMF_C_GET_CURR_RATESET 114 +#define BRCMF_C_GET_AP 117 +#define BRCMF_C_SET_AP 118 +#define BRCMF_C_GET_RSSI 127 +#define BRCMF_C_GET_WSEC 133 +#define BRCMF_C_SET_WSEC 134 +#define BRCMF_C_GET_PHY_NOISE 135 +#define BRCMF_C_GET_BSS_INFO 136 +#define BRCMF_C_GET_BANDLIST 140 +#define BRCMF_C_SET_SCB_TIMEOUT 158 +#define BRCMF_C_GET_PHYLIST 180 +#define BRCMF_C_SET_SCAN_CHANNEL_TIME 185 +#define BRCMF_C_SET_SCAN_UNASSOC_TIME 187 +#define BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON 201 +#define BRCMF_C_GET_VALID_CHANNELS 217 +#define BRCMF_C_GET_KEY_PRIMARY 235 +#define BRCMF_C_SET_KEY_PRIMARY 236 +#define BRCMF_C_SET_SCAN_PASSIVE_TIME 258 +#define BRCMF_C_GET_VAR 262 +#define BRCMF_C_SET_VAR 263 + +s32 brcmf_fil_cmd_data_set(struct brcmf_if *ifp, u32 cmd, void *data, u32 len); +s32 brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len); +s32 brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data); +s32 brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data); + +s32 brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, const void *data, + u32 len); +s32 brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data, + u32 len); +s32 brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data); +s32 brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data); + +s32 brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name, void *data, + u32 len); +s32 brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name, void *data, + u32 len); +s32 brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data); +s32 brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data); + +#endif /* _fwil_h_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h new file mode 100644 index 00000000000..2bc68a2137f --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h @@ -0,0 +1,431 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + + +#ifndef FWIL_TYPES_H_ +#define FWIL_TYPES_H_ + +#include <linux/if_ether.h> + + +#define BRCMF_FIL_ACTION_FRAME_SIZE 1800 + +/* ARP Offload feature flags for arp_ol iovar */ +#define BRCMF_ARP_OL_AGENT 0x00000001 +#define BRCMF_ARP_OL_SNOOP 0x00000002 +#define BRCMF_ARP_OL_HOST_AUTO_REPLY 0x00000004 +#define BRCMF_ARP_OL_PEER_AUTO_REPLY 0x00000008 + +#define BRCMF_BSS_INFO_VERSION 109 /* curr ver of brcmf_bss_info_le struct */ +#define BRCMF_BSS_RSSI_ON_CHANNEL 0x0002 + +#define BRCMF_STA_ASSOC 0x10 /* Associated */ + +/* size of brcmf_scan_params not including variable length array */ +#define BRCMF_SCAN_PARAMS_FIXED_SIZE 64 + +/* masks for channel and ssid count */ +#define BRCMF_SCAN_PARAMS_COUNT_MASK 0x0000ffff +#define BRCMF_SCAN_PARAMS_NSSID_SHIFT 16 + +/* primary (ie tx) key */ +#define BRCMF_PRIMARY_KEY (1 << 1) +#define DOT11_BSSTYPE_ANY 2 +#define BRCMF_ESCAN_REQ_VERSION 1 + +#define BRCMF_MAXRATES_IN_SET 16 /* max # of rates in rateset */ + +/* OBSS Coex Auto/On/Off */ +#define BRCMF_OBSS_COEX_AUTO (-1) +#define BRCMF_OBSS_COEX_OFF 0 +#define BRCMF_OBSS_COEX_ON 1 + +/* join preference types for join_pref iovar */ +enum brcmf_join_pref_types { + BRCMF_JOIN_PREF_RSSI = 1, + BRCMF_JOIN_PREF_WPA, + BRCMF_JOIN_PREF_BAND, + BRCMF_JOIN_PREF_RSSI_DELTA, +}; + +enum brcmf_fil_p2p_if_types { + BRCMF_FIL_P2P_IF_CLIENT, + BRCMF_FIL_P2P_IF_GO, + BRCMF_FIL_P2P_IF_DYNBCN_GO, + BRCMF_FIL_P2P_IF_DEV, +}; + +struct brcmf_fil_p2p_if_le { + u8 addr[ETH_ALEN]; + __le16 type; + __le16 chspec; +}; + +struct brcmf_fil_chan_info_le { + __le32 hw_channel; + __le32 target_channel; + __le32 scan_channel; +}; + +struct brcmf_fil_action_frame_le { + u8 da[ETH_ALEN]; + __le16 len; + __le32 packet_id; + u8 data[BRCMF_FIL_ACTION_FRAME_SIZE]; +}; + +struct brcmf_fil_af_params_le { + __le32 channel; + __le32 dwell_time; + u8 bssid[ETH_ALEN]; + u8 pad[2]; + struct brcmf_fil_action_frame_le action_frame; +}; + +struct brcmf_fil_bss_enable_le { + __le32 bsscfg_idx; + __le32 enable; +}; + +struct brcmf_fil_bwcap_le { + __le32 band; + __le32 bw_cap; +}; + +/** + * struct tdls_iovar - common structure for tdls iovars. + * + * @ea: ether address of peer station. + * @mode: mode value depending on specific tdls iovar. + * @chanspec: channel specification. + * @pad: unused (for future use). + */ +struct brcmf_tdls_iovar_le { + u8 ea[ETH_ALEN]; /* Station address */ + u8 mode; /* mode: depends on iovar */ + __le16 chanspec; + __le32 pad; /* future */ +}; + +enum brcmf_tdls_manual_ep_ops { + BRCMF_TDLS_MANUAL_EP_CREATE = 1, + BRCMF_TDLS_MANUAL_EP_DELETE = 3, + BRCMF_TDLS_MANUAL_EP_DISCOVERY = 6 +}; + +/* Pattern matching filter. Specifies an offset within received packets to + * start matching, the pattern to match, the size of the pattern, and a bitmask + * that indicates which bits within the pattern should be matched. + */ +struct brcmf_pkt_filter_pattern_le { + /* + * Offset within received packet to start pattern matching. + * Offset '0' is the first byte of the ethernet header. + */ + __le32 offset; + /* Size of the pattern. Bitmask must be the same size.*/ + __le32 size_bytes; + /* + * Variable length mask and pattern data. mask starts at offset 0. + * Pattern immediately follows mask. + */ + u8 mask_and_pattern[1]; +}; + +/* IOVAR "pkt_filter_add" parameter. Used to install packet filters. */ +struct brcmf_pkt_filter_le { + __le32 id; /* Unique filter id, specified by app. */ + __le32 type; /* Filter type (WL_PKT_FILTER_TYPE_xxx). */ + __le32 negate_match; /* Negate the result of filter matches */ + union { /* Filter definitions */ + struct brcmf_pkt_filter_pattern_le pattern; /* Filter pattern */ + } u; +}; + +/* IOVAR "pkt_filter_enable" parameter. */ +struct brcmf_pkt_filter_enable_le { + __le32 id; /* Unique filter id */ + __le32 enable; /* Enable/disable bool */ +}; + +/* BSS info structure + * Applications MUST CHECK ie_offset field and length field to access IEs and + * next bss_info structure in a vector (in struct brcmf_scan_results) + */ +struct brcmf_bss_info_le { + __le32 version; /* version field */ + __le32 length; /* byte length of data in this record, + * starting at version and including IEs + */ + u8 BSSID[ETH_ALEN]; + __le16 beacon_period; /* units are Kusec */ + __le16 capability; /* Capability information */ + u8 SSID_len; + u8 SSID[32]; + struct { + __le32 count; /* # rates in this set */ + u8 rates[16]; /* rates in 500kbps units w/hi bit set if basic */ + } rateset; /* supported rates */ + __le16 chanspec; /* chanspec for bss */ + __le16 atim_window; /* units are Kusec */ + u8 dtim_period; /* DTIM period */ + __le16 RSSI; /* receive signal strength (in dBm) */ + s8 phy_noise; /* noise (in dBm) */ + + u8 n_cap; /* BSS is 802.11N Capable */ + /* 802.11N BSS Capabilities (based on HT_CAP_*): */ + __le32 nbss_cap; + u8 ctl_ch; /* 802.11N BSS control channel number */ + __le32 reserved32[1]; /* Reserved for expansion of BSS properties */ + u8 flags; /* flags */ + u8 reserved[3]; /* Reserved for expansion of BSS properties */ + u8 basic_mcs[MCSSET_LEN]; /* 802.11N BSS required MCS set */ + + __le16 ie_offset; /* offset at which IEs start, from beginning */ + __le32 ie_length; /* byte length of Information Elements */ + __le16 SNR; /* average SNR of during frame reception */ + /* Add new fields here */ + /* variable length Information Elements */ +}; + +struct brcm_rateset_le { + /* # rates in this set */ + __le32 count; + /* rates in 500kbps units w/hi bit set if basic */ + u8 rates[BRCMF_MAXRATES_IN_SET]; +}; + +struct brcmf_ssid { + u32 SSID_len; + unsigned char SSID[32]; +}; + +struct brcmf_ssid_le { + __le32 SSID_len; + unsigned char SSID[32]; +}; + +struct brcmf_scan_params_le { + struct brcmf_ssid_le ssid_le; /* default: {0, ""} */ + u8 bssid[ETH_ALEN]; /* default: bcast */ + s8 bss_type; /* default: any, + * DOT11_BSSTYPE_ANY/INFRASTRUCTURE/INDEPENDENT + */ + u8 scan_type; /* flags, 0 use default */ + __le32 nprobes; /* -1 use default, number of probes per channel */ + __le32 active_time; /* -1 use default, dwell time per channel for + * active scanning + */ + __le32 passive_time; /* -1 use default, dwell time per channel + * for passive scanning + */ + __le32 home_time; /* -1 use default, dwell time for the + * home channel between channel scans + */ + __le32 channel_num; /* count of channels and ssids that follow + * + * low half is count of channels in + * channel_list, 0 means default (use all + * available channels) + * + * high half is entries in struct brcmf_ssid + * array that follows channel_list, aligned for + * s32 (4 bytes) meaning an odd channel count + * implies a 2-byte pad between end of + * channel_list and first ssid + * + * if ssid count is zero, single ssid in the + * fixed parameter portion is assumed, otherwise + * ssid in the fixed portion is ignored + */ + __le16 channel_list[1]; /* list of chanspecs */ +}; + +struct brcmf_scan_results { + u32 buflen; + u32 version; + u32 count; + struct brcmf_bss_info_le bss_info_le[]; +}; + +struct brcmf_escan_params_le { + __le32 version; + __le16 action; + __le16 sync_id; + struct brcmf_scan_params_le params_le; +}; + +struct brcmf_escan_result_le { + __le32 buflen; + __le32 version; + __le16 sync_id; + __le16 bss_count; + struct brcmf_bss_info_le bss_info_le; +}; + +#define WL_ESCAN_RESULTS_FIXED_SIZE (sizeof(struct brcmf_escan_result_le) - \ + sizeof(struct brcmf_bss_info_le)) + +/* used for association with a specific BSSID and chanspec list */ +struct brcmf_assoc_params_le { + /* 00:00:00:00:00:00: broadcast scan */ + u8 bssid[ETH_ALEN]; + /* 0: all available channels, otherwise count of chanspecs in + * chanspec_list */ + __le32 chanspec_num; + /* list of chanspecs */ + __le16 chanspec_list[1]; +}; + +/** + * struct join_pref params - parameters for preferred join selection. + * + * @type: preference type (see enum brcmf_join_pref_types). + * @len: length of bytes following (currently always 2). + * @rssi_gain: signal gain for selection (only when @type is RSSI_DELTA). + * @band: band to which selection preference applies. + * This is used if @type is BAND or RSSI_DELTA. + */ +struct brcmf_join_pref_params { + u8 type; + u8 len; + u8 rssi_gain; + u8 band; +}; + +/* used for join with or without a specific bssid and channel list */ +struct brcmf_join_params { + struct brcmf_ssid_le ssid_le; + struct brcmf_assoc_params_le params_le; +}; + +/* scan params for extended join */ +struct brcmf_join_scan_params_le { + u8 scan_type; /* 0 use default, active or passive scan */ + __le32 nprobes; /* -1 use default, nr of probes per channel */ + __le32 active_time; /* -1 use default, dwell time per channel for + * active scanning + */ + __le32 passive_time; /* -1 use default, dwell time per channel + * for passive scanning + */ + __le32 home_time; /* -1 use default, dwell time for the home + * channel between channel scans + */ +}; + +/* extended join params */ +struct brcmf_ext_join_params_le { + struct brcmf_ssid_le ssid_le; /* {0, ""}: wildcard scan */ + struct brcmf_join_scan_params_le scan_le; + struct brcmf_assoc_params_le assoc_le; +}; + +struct brcmf_wsec_key { + u32 index; /* key index */ + u32 len; /* key length */ + u8 data[WLAN_MAX_KEY_LEN]; /* key data */ + u32 pad_1[18]; + u32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */ + u32 flags; /* misc flags */ + u32 pad_2[3]; + u32 iv_initialized; /* has IV been initialized already? */ + u32 pad_3; + /* Rx IV */ + struct { + u32 hi; /* upper 32 bits of IV */ + u16 lo; /* lower 16 bits of IV */ + } rxiv; + u32 pad_4[2]; + u8 ea[ETH_ALEN]; /* per station */ +}; + +/* + * dongle requires same struct as above but with fields in little endian order + */ +struct brcmf_wsec_key_le { + __le32 index; /* key index */ + __le32 len; /* key length */ + u8 data[WLAN_MAX_KEY_LEN]; /* key data */ + __le32 pad_1[18]; + __le32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */ + __le32 flags; /* misc flags */ + __le32 pad_2[3]; + __le32 iv_initialized; /* has IV been initialized already? */ + __le32 pad_3; + /* Rx IV */ + struct { + __le32 hi; /* upper 32 bits of IV */ + __le16 lo; /* lower 16 bits of IV */ + } rxiv; + __le32 pad_4[2]; + u8 ea[ETH_ALEN]; /* per station */ +}; + +/* Used to get specific STA parameters */ +struct brcmf_scb_val_le { + __le32 val; + u8 ea[ETH_ALEN]; +}; + +/* channel encoding */ +struct brcmf_channel_info_le { + __le32 hw_channel; + __le32 target_channel; + __le32 scan_channel; +}; + +struct brcmf_sta_info_le { + __le16 ver; /* version of this struct */ + __le16 len; /* length in bytes of this structure */ + __le16 cap; /* sta's advertised capabilities */ + __le32 flags; /* flags defined below */ + __le32 idle; /* time since data pkt rx'd from sta */ + u8 ea[ETH_ALEN]; /* Station address */ + __le32 count; /* # rates in this set */ + u8 rates[BRCMF_MAXRATES_IN_SET]; /* rates in 500kbps units */ + /* w/hi bit set if basic */ + __le32 in; /* seconds elapsed since associated */ + __le32 listen_interval_inms; /* Min Listen interval in ms for STA */ + __le32 tx_pkts; /* # of packets transmitted */ + __le32 tx_failures; /* # of packets failed */ + __le32 rx_ucast_pkts; /* # of unicast packets received */ + __le32 rx_mcast_pkts; /* # of multicast packets received */ + __le32 tx_rate; /* Rate of last successful tx frame */ + __le32 rx_rate; /* Rate of last successful rx frame */ + __le32 rx_decrypt_succeeds; /* # of packet decrypted successfully */ + __le32 rx_decrypt_failures; /* # of packet decrypted failed */ +}; + +struct brcmf_chanspec_list { + __le32 count; /* # of entries */ + __le32 element[1]; /* variable length uint32 list */ +}; + +/* + * WLC_E_PROBRESP_MSG + * WLC_E_P2P_PROBREQ_MSG + * WLC_E_ACTION_FRAME_RX + */ +struct brcmf_rx_mgmt_data { + __be16 version; + __be16 chanspec; + __be32 rssi; + __be32 mactime; + __be32 rate; +}; + +#endif /* FWIL_TYPES_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c new file mode 100644 index 00000000000..699908de314 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c @@ -0,0 +1,2172 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <linux/types.h> +#include <linux/module.h> +#include <linux/if_ether.h> +#include <linux/spinlock.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/err.h> +#include <linux/jiffies.h> +#include <net/cfg80211.h> + +#include <brcmu_utils.h> +#include <brcmu_wifi.h> +#include "dhd.h" +#include "dhd_dbg.h" +#include "dhd_bus.h" +#include "fwil.h" +#include "fwil_types.h" +#include "fweh.h" +#include "fwsignal.h" +#include "p2p.h" +#include "wl_cfg80211.h" +#include "proto.h" + +/** + * DOC: Firmware Signalling + * + * Firmware can send signals to host and vice versa, which are passed in the + * data packets using TLV based header. This signalling layer is on top of the + * BDC bus protocol layer. + */ + +/* + * single definition for firmware-driver flow control tlv's. + * + * each tlv is specified by BRCMF_FWS_TLV_DEF(name, ID, length). + * A length value 0 indicates variable length tlv. + */ +#define BRCMF_FWS_TLV_DEFLIST \ + BRCMF_FWS_TLV_DEF(MAC_OPEN, 1, 1) \ + BRCMF_FWS_TLV_DEF(MAC_CLOSE, 2, 1) \ + BRCMF_FWS_TLV_DEF(MAC_REQUEST_CREDIT, 3, 2) \ + BRCMF_FWS_TLV_DEF(TXSTATUS, 4, 4) \ + BRCMF_FWS_TLV_DEF(PKTTAG, 5, 4) \ + BRCMF_FWS_TLV_DEF(MACDESC_ADD, 6, 8) \ + BRCMF_FWS_TLV_DEF(MACDESC_DEL, 7, 8) \ + BRCMF_FWS_TLV_DEF(RSSI, 8, 1) \ + BRCMF_FWS_TLV_DEF(INTERFACE_OPEN, 9, 1) \ + BRCMF_FWS_TLV_DEF(INTERFACE_CLOSE, 10, 1) \ + BRCMF_FWS_TLV_DEF(FIFO_CREDITBACK, 11, 6) \ + BRCMF_FWS_TLV_DEF(PENDING_TRAFFIC_BMP, 12, 2) \ + BRCMF_FWS_TLV_DEF(MAC_REQUEST_PACKET, 13, 3) \ + BRCMF_FWS_TLV_DEF(HOST_REORDER_RXPKTS, 14, 10) \ + BRCMF_FWS_TLV_DEF(TRANS_ID, 18, 6) \ + BRCMF_FWS_TLV_DEF(COMP_TXSTATUS, 19, 1) \ + BRCMF_FWS_TLV_DEF(FILLER, 255, 0) + +/* + * enum brcmf_fws_tlv_type - definition of tlv identifiers. + */ +#define BRCMF_FWS_TLV_DEF(name, id, len) \ + BRCMF_FWS_TYPE_ ## name = id, +enum brcmf_fws_tlv_type { + BRCMF_FWS_TLV_DEFLIST + BRCMF_FWS_TYPE_INVALID +}; +#undef BRCMF_FWS_TLV_DEF + +/* + * enum brcmf_fws_tlv_len - definition of tlv lengths. + */ +#define BRCMF_FWS_TLV_DEF(name, id, len) \ + BRCMF_FWS_TYPE_ ## name ## _LEN = (len), +enum brcmf_fws_tlv_len { + BRCMF_FWS_TLV_DEFLIST +}; +#undef BRCMF_FWS_TLV_DEF + +#ifdef DEBUG +/* + * brcmf_fws_tlv_names - array of tlv names. + */ +#define BRCMF_FWS_TLV_DEF(name, id, len) \ + { id, #name }, +static struct { + enum brcmf_fws_tlv_type id; + const char *name; +} brcmf_fws_tlv_names[] = { + BRCMF_FWS_TLV_DEFLIST +}; +#undef BRCMF_FWS_TLV_DEF + + +static const char *brcmf_fws_get_tlv_name(enum brcmf_fws_tlv_type id) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(brcmf_fws_tlv_names); i++) + if (brcmf_fws_tlv_names[i].id == id) + return brcmf_fws_tlv_names[i].name; + + return "INVALID"; +} +#else +static const char *brcmf_fws_get_tlv_name(enum brcmf_fws_tlv_type id) +{ + return "NODEBUG"; +} +#endif /* DEBUG */ + +/* + * The PKTTAG tlv has additional bytes when firmware-signalling + * mode has REUSESEQ flag set. + */ +#define BRCMF_FWS_TYPE_SEQ_LEN 2 + +/* + * flags used to enable tlv signalling from firmware. + */ +#define BRCMF_FWS_FLAGS_RSSI_SIGNALS 0x0001 +#define BRCMF_FWS_FLAGS_XONXOFF_SIGNALS 0x0002 +#define BRCMF_FWS_FLAGS_CREDIT_STATUS_SIGNALS 0x0004 +#define BRCMF_FWS_FLAGS_HOST_PROPTXSTATUS_ACTIVE 0x0008 +#define BRCMF_FWS_FLAGS_PSQ_GENERATIONFSM_ENABLE 0x0010 +#define BRCMF_FWS_FLAGS_PSQ_ZERO_BUFFER_ENABLE 0x0020 +#define BRCMF_FWS_FLAGS_HOST_RXREORDER_ACTIVE 0x0040 + +#define BRCMF_FWS_MAC_DESC_TABLE_SIZE 32 +#define BRCMF_FWS_MAC_DESC_ID_INVALID 0xff + +#define BRCMF_FWS_HOSTIF_FLOWSTATE_OFF 0 +#define BRCMF_FWS_HOSTIF_FLOWSTATE_ON 1 +#define BRCMF_FWS_FLOWCONTROL_HIWATER 128 +#define BRCMF_FWS_FLOWCONTROL_LOWATER 64 + +#define BRCMF_FWS_PSQ_PREC_COUNT ((BRCMF_FWS_FIFO_COUNT + 1) * 2) +#define BRCMF_FWS_PSQ_LEN 256 + +#define BRCMF_FWS_HTOD_FLAG_PKTFROMHOST 0x01 +#define BRCMF_FWS_HTOD_FLAG_PKT_REQUESTED 0x02 + +#define BRCMF_FWS_RET_OK_NOSCHEDULE 0 +#define BRCMF_FWS_RET_OK_SCHEDULE 1 + +#define BRCMF_FWS_MODE_REUSESEQ_SHIFT 3 /* seq reuse */ +#define BRCMF_FWS_MODE_SET_REUSESEQ(x, val) ((x) = \ + ((x) & ~(1 << BRCMF_FWS_MODE_REUSESEQ_SHIFT)) | \ + (((val) & 1) << BRCMF_FWS_MODE_REUSESEQ_SHIFT)) +#define BRCMF_FWS_MODE_GET_REUSESEQ(x) \ + (((x) >> BRCMF_FWS_MODE_REUSESEQ_SHIFT) & 1) + +/** + * enum brcmf_fws_skb_state - indicates processing state of skb. + * + * @BRCMF_FWS_SKBSTATE_NEW: sk_buff is newly arrived in the driver. + * @BRCMF_FWS_SKBSTATE_DELAYED: sk_buff had to wait on queue. + * @BRCMF_FWS_SKBSTATE_SUPPRESSED: sk_buff has been suppressed by firmware. + * @BRCMF_FWS_SKBSTATE_TIM: allocated for TIM update info. + */ +enum brcmf_fws_skb_state { + BRCMF_FWS_SKBSTATE_NEW, + BRCMF_FWS_SKBSTATE_DELAYED, + BRCMF_FWS_SKBSTATE_SUPPRESSED, + BRCMF_FWS_SKBSTATE_TIM +}; + +/** + * struct brcmf_skbuff_cb - control buffer associated with skbuff. + * + * @bus_flags: 2 bytes reserved for bus specific parameters + * @if_flags: holds interface index and packet related flags. + * @htod: host to device packet identifier (used in PKTTAG tlv). + * @htod_seq: this 16-bit is original seq number for every suppress packet. + * @state: transmit state of the packet. + * @mac: descriptor related to destination for this packet. + * + * This information is stored in control buffer struct sk_buff::cb, which + * provides 48 bytes of storage so this structure should not exceed that. + */ +struct brcmf_skbuff_cb { + u16 bus_flags; + u16 if_flags; + u32 htod; + u16 htod_seq; + enum brcmf_fws_skb_state state; + struct brcmf_fws_mac_descriptor *mac; +}; + +/* + * macro casting skbuff control buffer to struct brcmf_skbuff_cb. + */ +#define brcmf_skbcb(skb) ((struct brcmf_skbuff_cb *)((skb)->cb)) + +/* + * sk_buff control if flags + * + * b[11] - packet sent upon firmware request. + * b[10] - packet only contains signalling data. + * b[9] - packet is a tx packet. + * b[8] - packet used requested credit + * b[7] - interface in AP mode. + * b[3:0] - interface index. + */ +#define BRCMF_SKB_IF_FLAGS_REQUESTED_MASK 0x0800 +#define BRCMF_SKB_IF_FLAGS_REQUESTED_SHIFT 11 +#define BRCMF_SKB_IF_FLAGS_SIGNAL_ONLY_MASK 0x0400 +#define BRCMF_SKB_IF_FLAGS_SIGNAL_ONLY_SHIFT 10 +#define BRCMF_SKB_IF_FLAGS_TRANSMIT_MASK 0x0200 +#define BRCMF_SKB_IF_FLAGS_TRANSMIT_SHIFT 9 +#define BRCMF_SKB_IF_FLAGS_REQ_CREDIT_MASK 0x0100 +#define BRCMF_SKB_IF_FLAGS_REQ_CREDIT_SHIFT 8 +#define BRCMF_SKB_IF_FLAGS_IF_AP_MASK 0x0080 +#define BRCMF_SKB_IF_FLAGS_IF_AP_SHIFT 7 +#define BRCMF_SKB_IF_FLAGS_INDEX_MASK 0x000f +#define BRCMF_SKB_IF_FLAGS_INDEX_SHIFT 0 + +#define brcmf_skb_if_flags_set_field(skb, field, value) \ + brcmu_maskset16(&(brcmf_skbcb(skb)->if_flags), \ + BRCMF_SKB_IF_FLAGS_ ## field ## _MASK, \ + BRCMF_SKB_IF_FLAGS_ ## field ## _SHIFT, (value)) +#define brcmf_skb_if_flags_get_field(skb, field) \ + brcmu_maskget16(brcmf_skbcb(skb)->if_flags, \ + BRCMF_SKB_IF_FLAGS_ ## field ## _MASK, \ + BRCMF_SKB_IF_FLAGS_ ## field ## _SHIFT) + +/* + * sk_buff control packet identifier + * + * 32-bit packet identifier used in PKTTAG tlv from host to dongle. + * + * - Generated at the host (e.g. dhd) + * - Seen as a generic sequence number by firmware except for the flags field. + * + * Generation : b[31] => generation number for this packet [host->fw] + * OR, current generation number [fw->host] + * Flags : b[30:27] => command, status flags + * FIFO-AC : b[26:24] => AC-FIFO id + * h-slot : b[23:8] => hanger-slot + * freerun : b[7:0] => A free running counter + */ +#define BRCMF_SKB_HTOD_TAG_GENERATION_MASK 0x80000000 +#define BRCMF_SKB_HTOD_TAG_GENERATION_SHIFT 31 +#define BRCMF_SKB_HTOD_TAG_FLAGS_MASK 0x78000000 +#define BRCMF_SKB_HTOD_TAG_FLAGS_SHIFT 27 +#define BRCMF_SKB_HTOD_TAG_FIFO_MASK 0x07000000 +#define BRCMF_SKB_HTOD_TAG_FIFO_SHIFT 24 +#define BRCMF_SKB_HTOD_TAG_HSLOT_MASK 0x00ffff00 +#define BRCMF_SKB_HTOD_TAG_HSLOT_SHIFT 8 +#define BRCMF_SKB_HTOD_TAG_FREERUN_MASK 0x000000ff +#define BRCMF_SKB_HTOD_TAG_FREERUN_SHIFT 0 + +#define brcmf_skb_htod_tag_set_field(skb, field, value) \ + brcmu_maskset32(&(brcmf_skbcb(skb)->htod), \ + BRCMF_SKB_HTOD_TAG_ ## field ## _MASK, \ + BRCMF_SKB_HTOD_TAG_ ## field ## _SHIFT, (value)) +#define brcmf_skb_htod_tag_get_field(skb, field) \ + brcmu_maskget32(brcmf_skbcb(skb)->htod, \ + BRCMF_SKB_HTOD_TAG_ ## field ## _MASK, \ + BRCMF_SKB_HTOD_TAG_ ## field ## _SHIFT) + +#define BRCMF_SKB_HTOD_SEQ_FROMFW_MASK 0x2000 +#define BRCMF_SKB_HTOD_SEQ_FROMFW_SHIFT 13 +#define BRCMF_SKB_HTOD_SEQ_FROMDRV_MASK 0x1000 +#define BRCMF_SKB_HTOD_SEQ_FROMDRV_SHIFT 12 +#define BRCMF_SKB_HTOD_SEQ_NR_MASK 0x0fff +#define BRCMF_SKB_HTOD_SEQ_NR_SHIFT 0 + +#define brcmf_skb_htod_seq_set_field(skb, field, value) \ + brcmu_maskset16(&(brcmf_skbcb(skb)->htod_seq), \ + BRCMF_SKB_HTOD_SEQ_ ## field ## _MASK, \ + BRCMF_SKB_HTOD_SEQ_ ## field ## _SHIFT, (value)) +#define brcmf_skb_htod_seq_get_field(skb, field) \ + brcmu_maskget16(brcmf_skbcb(skb)->htod_seq, \ + BRCMF_SKB_HTOD_SEQ_ ## field ## _MASK, \ + BRCMF_SKB_HTOD_SEQ_ ## field ## _SHIFT) + +#define BRCMF_FWS_TXSTAT_GENERATION_MASK 0x80000000 +#define BRCMF_FWS_TXSTAT_GENERATION_SHIFT 31 +#define BRCMF_FWS_TXSTAT_FLAGS_MASK 0x78000000 +#define BRCMF_FWS_TXSTAT_FLAGS_SHIFT 27 +#define BRCMF_FWS_TXSTAT_FIFO_MASK 0x07000000 +#define BRCMF_FWS_TXSTAT_FIFO_SHIFT 24 +#define BRCMF_FWS_TXSTAT_HSLOT_MASK 0x00FFFF00 +#define BRCMF_FWS_TXSTAT_HSLOT_SHIFT 8 +#define BRCMF_FWS_TXSTAT_FREERUN_MASK 0x000000FF +#define BRCMF_FWS_TXSTAT_FREERUN_SHIFT 0 + +#define brcmf_txstatus_get_field(txs, field) \ + brcmu_maskget32(txs, BRCMF_FWS_TXSTAT_ ## field ## _MASK, \ + BRCMF_FWS_TXSTAT_ ## field ## _SHIFT) + +/* How long to defer borrowing in jiffies */ +#define BRCMF_FWS_BORROW_DEFER_PERIOD (HZ / 10) + +/** + * enum brcmf_fws_fifo - fifo indices used by dongle firmware. + * + * @BRCMF_FWS_FIFO_FIRST: first fifo, ie. background. + * @BRCMF_FWS_FIFO_AC_BK: fifo for background traffic. + * @BRCMF_FWS_FIFO_AC_BE: fifo for best-effort traffic. + * @BRCMF_FWS_FIFO_AC_VI: fifo for video traffic. + * @BRCMF_FWS_FIFO_AC_VO: fifo for voice traffic. + * @BRCMF_FWS_FIFO_BCMC: fifo for broadcast/multicast (AP only). + * @BRCMF_FWS_FIFO_ATIM: fifo for ATIM (AP only). + * @BRCMF_FWS_FIFO_COUNT: number of fifos. + */ +enum brcmf_fws_fifo { + BRCMF_FWS_FIFO_FIRST, + BRCMF_FWS_FIFO_AC_BK = BRCMF_FWS_FIFO_FIRST, + BRCMF_FWS_FIFO_AC_BE, + BRCMF_FWS_FIFO_AC_VI, + BRCMF_FWS_FIFO_AC_VO, + BRCMF_FWS_FIFO_BCMC, + BRCMF_FWS_FIFO_ATIM, + BRCMF_FWS_FIFO_COUNT +}; + +/** + * enum brcmf_fws_txstatus - txstatus flag values. + * + * @BRCMF_FWS_TXSTATUS_DISCARD: + * host is free to discard the packet. + * @BRCMF_FWS_TXSTATUS_CORE_SUPPRESS: + * 802.11 core suppressed the packet. + * @BRCMF_FWS_TXSTATUS_FW_PS_SUPPRESS: + * firmware suppress the packet as device is already in PS mode. + * @BRCMF_FWS_TXSTATUS_FW_TOSSED: + * firmware tossed the packet. + * @BRCMF_FWS_TXSTATUS_HOST_TOSSED: + * host tossed the packet. + */ +enum brcmf_fws_txstatus { + BRCMF_FWS_TXSTATUS_DISCARD, + BRCMF_FWS_TXSTATUS_CORE_SUPPRESS, + BRCMF_FWS_TXSTATUS_FW_PS_SUPPRESS, + BRCMF_FWS_TXSTATUS_FW_TOSSED, + BRCMF_FWS_TXSTATUS_HOST_TOSSED +}; + +enum brcmf_fws_fcmode { + BRCMF_FWS_FCMODE_NONE, + BRCMF_FWS_FCMODE_IMPLIED_CREDIT, + BRCMF_FWS_FCMODE_EXPLICIT_CREDIT +}; + +enum brcmf_fws_mac_desc_state { + BRCMF_FWS_STATE_OPEN = 1, + BRCMF_FWS_STATE_CLOSE +}; + +/** + * struct brcmf_fws_mac_descriptor - firmware signalling data per node/interface + * + * @occupied: slot is in use. + * @mac_handle: handle for mac entry determined by firmware. + * @interface_id: interface index. + * @state: current state. + * @suppressed: mac entry is suppressed. + * @generation: generation bit. + * @ac_bitmap: ac queue bitmap. + * @requested_credit: credits requested by firmware. + * @ea: ethernet address. + * @seq: per-node free-running sequence. + * @psq: power-save queue. + * @transit_count: packet in transit to firmware. + */ +struct brcmf_fws_mac_descriptor { + char name[16]; + u8 occupied; + u8 mac_handle; + u8 interface_id; + u8 state; + bool suppressed; + u8 generation; + u8 ac_bitmap; + u8 requested_credit; + u8 requested_packet; + u8 ea[ETH_ALEN]; + u8 seq[BRCMF_FWS_FIFO_COUNT]; + struct pktq psq; + int transit_count; + int suppr_transit_count; + bool send_tim_signal; + u8 traffic_pending_bmp; + u8 traffic_lastreported_bmp; +}; + +#define BRCMF_FWS_HANGER_MAXITEMS 1024 + +/** + * enum brcmf_fws_hanger_item_state - state of hanger item. + * + * @BRCMF_FWS_HANGER_ITEM_STATE_FREE: item is free for use. + * @BRCMF_FWS_HANGER_ITEM_STATE_INUSE: item is in use. + * @BRCMF_FWS_HANGER_ITEM_STATE_INUSE_SUPPRESSED: item was suppressed. + */ +enum brcmf_fws_hanger_item_state { + BRCMF_FWS_HANGER_ITEM_STATE_FREE = 1, + BRCMF_FWS_HANGER_ITEM_STATE_INUSE, + BRCMF_FWS_HANGER_ITEM_STATE_INUSE_SUPPRESSED +}; + + +/** + * struct brcmf_fws_hanger_item - single entry for tx pending packet. + * + * @state: entry is either free or occupied. + * @pkt: packet itself. + */ +struct brcmf_fws_hanger_item { + enum brcmf_fws_hanger_item_state state; + struct sk_buff *pkt; +}; + +/** + * struct brcmf_fws_hanger - holds packets awaiting firmware txstatus. + * + * @pushed: packets pushed to await txstatus. + * @popped: packets popped upon handling txstatus. + * @failed_to_push: packets that could not be pushed. + * @failed_to_pop: packets that could not be popped. + * @failed_slotfind: packets for which failed to find an entry. + * @slot_pos: last returned item index for a free entry. + * @items: array of hanger items. + */ +struct brcmf_fws_hanger { + u32 pushed; + u32 popped; + u32 failed_to_push; + u32 failed_to_pop; + u32 failed_slotfind; + u32 slot_pos; + struct brcmf_fws_hanger_item items[BRCMF_FWS_HANGER_MAXITEMS]; +}; + +struct brcmf_fws_macdesc_table { + struct brcmf_fws_mac_descriptor nodes[BRCMF_FWS_MAC_DESC_TABLE_SIZE]; + struct brcmf_fws_mac_descriptor iface[BRCMF_MAX_IFS]; + struct brcmf_fws_mac_descriptor other; +}; + +struct brcmf_fws_info { + struct brcmf_pub *drvr; + spinlock_t spinlock; + ulong flags; + struct brcmf_fws_stats stats; + struct brcmf_fws_hanger hanger; + enum brcmf_fws_fcmode fcmode; + bool fw_signals; + bool bcmc_credit_check; + struct brcmf_fws_macdesc_table desc; + struct workqueue_struct *fws_wq; + struct work_struct fws_dequeue_work; + u32 fifo_enqpkt[BRCMF_FWS_FIFO_COUNT]; + int fifo_credit[BRCMF_FWS_FIFO_COUNT]; + int credits_borrowed[BRCMF_FWS_FIFO_AC_VO + 1]; + int deq_node_pos[BRCMF_FWS_FIFO_COUNT]; + u32 fifo_credit_map; + u32 fifo_delay_map; + unsigned long borrow_defer_timestamp; + bool bus_flow_blocked; + bool creditmap_received; + u8 mode; + bool avoid_queueing; +}; + +/* + * brcmf_fws_prio2fifo - mapping from 802.1d priority to firmware fifo index. + */ +static const int brcmf_fws_prio2fifo[] = { + BRCMF_FWS_FIFO_AC_BE, + BRCMF_FWS_FIFO_AC_BK, + BRCMF_FWS_FIFO_AC_BK, + BRCMF_FWS_FIFO_AC_BE, + BRCMF_FWS_FIFO_AC_VI, + BRCMF_FWS_FIFO_AC_VI, + BRCMF_FWS_FIFO_AC_VO, + BRCMF_FWS_FIFO_AC_VO +}; + +static int fcmode; +module_param(fcmode, int, S_IRUSR); +MODULE_PARM_DESC(fcmode, "mode of firmware signalled flow control"); + +#define BRCMF_FWS_TLV_DEF(name, id, len) \ + case BRCMF_FWS_TYPE_ ## name: \ + return len; + +/** + * brcmf_fws_get_tlv_len() - returns defined length for given tlv id. + * + * @fws: firmware-signalling information. + * @id: identifier of the TLV. + * + * Return: the specified length for the given TLV; Otherwise -EINVAL. + */ +static int brcmf_fws_get_tlv_len(struct brcmf_fws_info *fws, + enum brcmf_fws_tlv_type id) +{ + switch (id) { + BRCMF_FWS_TLV_DEFLIST + default: + fws->stats.tlv_invalid_type++; + break; + } + return -EINVAL; +} +#undef BRCMF_FWS_TLV_DEF + +static void brcmf_fws_lock(struct brcmf_fws_info *fws) + __acquires(&fws->spinlock) +{ + spin_lock_irqsave(&fws->spinlock, fws->flags); +} + +static void brcmf_fws_unlock(struct brcmf_fws_info *fws) + __releases(&fws->spinlock) +{ + spin_unlock_irqrestore(&fws->spinlock, fws->flags); +} + +static bool brcmf_fws_ifidx_match(struct sk_buff *skb, void *arg) +{ + u32 ifidx = brcmf_skb_if_flags_get_field(skb, INDEX); + return ifidx == *(int *)arg; +} + +static void brcmf_fws_psq_flush(struct brcmf_fws_info *fws, struct pktq *q, + int ifidx) +{ + bool (*matchfn)(struct sk_buff *, void *) = NULL; + struct sk_buff *skb; + int prec; + + if (ifidx != -1) + matchfn = brcmf_fws_ifidx_match; + for (prec = 0; prec < q->num_prec; prec++) { + skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx); + while (skb) { + brcmu_pkt_buf_free_skb(skb); + skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx); + } + } +} + +static void brcmf_fws_hanger_init(struct brcmf_fws_hanger *hanger) +{ + int i; + + memset(hanger, 0, sizeof(*hanger)); + for (i = 0; i < ARRAY_SIZE(hanger->items); i++) + hanger->items[i].state = BRCMF_FWS_HANGER_ITEM_STATE_FREE; +} + +static u32 brcmf_fws_hanger_get_free_slot(struct brcmf_fws_hanger *h) +{ + u32 i; + + i = (h->slot_pos + 1) % BRCMF_FWS_HANGER_MAXITEMS; + + while (i != h->slot_pos) { + if (h->items[i].state == BRCMF_FWS_HANGER_ITEM_STATE_FREE) { + h->slot_pos = i; + goto done; + } + i++; + if (i == BRCMF_FWS_HANGER_MAXITEMS) + i = 0; + } + brcmf_err("all slots occupied\n"); + h->failed_slotfind++; + i = BRCMF_FWS_HANGER_MAXITEMS; +done: + return i; +} + +static int brcmf_fws_hanger_pushpkt(struct brcmf_fws_hanger *h, + struct sk_buff *pkt, u32 slot_id) +{ + if (slot_id >= BRCMF_FWS_HANGER_MAXITEMS) + return -ENOENT; + + if (h->items[slot_id].state != BRCMF_FWS_HANGER_ITEM_STATE_FREE) { + brcmf_err("slot is not free\n"); + h->failed_to_push++; + return -EINVAL; + } + + h->items[slot_id].state = BRCMF_FWS_HANGER_ITEM_STATE_INUSE; + h->items[slot_id].pkt = pkt; + h->pushed++; + return 0; +} + +static int brcmf_fws_hanger_poppkt(struct brcmf_fws_hanger *h, + u32 slot_id, struct sk_buff **pktout, + bool remove_item) +{ + if (slot_id >= BRCMF_FWS_HANGER_MAXITEMS) + return -ENOENT; + + if (h->items[slot_id].state == BRCMF_FWS_HANGER_ITEM_STATE_FREE) { + brcmf_err("entry not in use\n"); + h->failed_to_pop++; + return -EINVAL; + } + + *pktout = h->items[slot_id].pkt; + if (remove_item) { + h->items[slot_id].state = BRCMF_FWS_HANGER_ITEM_STATE_FREE; + h->items[slot_id].pkt = NULL; + h->popped++; + } + return 0; +} + +static int brcmf_fws_hanger_mark_suppressed(struct brcmf_fws_hanger *h, + u32 slot_id) +{ + if (slot_id >= BRCMF_FWS_HANGER_MAXITEMS) + return -ENOENT; + + if (h->items[slot_id].state == BRCMF_FWS_HANGER_ITEM_STATE_FREE) { + brcmf_err("entry not in use\n"); + return -EINVAL; + } + + h->items[slot_id].state = BRCMF_FWS_HANGER_ITEM_STATE_INUSE_SUPPRESSED; + return 0; +} + +static void brcmf_fws_hanger_cleanup(struct brcmf_fws_info *fws, + bool (*fn)(struct sk_buff *, void *), + int ifidx) +{ + struct brcmf_fws_hanger *h = &fws->hanger; + struct sk_buff *skb; + int i; + enum brcmf_fws_hanger_item_state s; + + for (i = 0; i < ARRAY_SIZE(h->items); i++) { + s = h->items[i].state; + if (s == BRCMF_FWS_HANGER_ITEM_STATE_INUSE || + s == BRCMF_FWS_HANGER_ITEM_STATE_INUSE_SUPPRESSED) { + skb = h->items[i].pkt; + if (fn == NULL || fn(skb, &ifidx)) { + /* suppress packets freed from psq */ + if (s == BRCMF_FWS_HANGER_ITEM_STATE_INUSE) + brcmu_pkt_buf_free_skb(skb); + h->items[i].state = + BRCMF_FWS_HANGER_ITEM_STATE_FREE; + } + } + } +} + +static void brcmf_fws_macdesc_set_name(struct brcmf_fws_info *fws, + struct brcmf_fws_mac_descriptor *desc) +{ + if (desc == &fws->desc.other) + strlcpy(desc->name, "MAC-OTHER", sizeof(desc->name)); + else if (desc->mac_handle) + scnprintf(desc->name, sizeof(desc->name), "MAC-%d:%d", + desc->mac_handle, desc->interface_id); + else + scnprintf(desc->name, sizeof(desc->name), "MACIF:%d", + desc->interface_id); +} + +static void brcmf_fws_macdesc_init(struct brcmf_fws_mac_descriptor *desc, + u8 *addr, u8 ifidx) +{ + brcmf_dbg(TRACE, + "enter: desc %p ea=%pM, ifidx=%u\n", desc, addr, ifidx); + desc->occupied = 1; + desc->state = BRCMF_FWS_STATE_OPEN; + desc->requested_credit = 0; + desc->requested_packet = 0; + /* depending on use may need ifp->bssidx instead */ + desc->interface_id = ifidx; + desc->ac_bitmap = 0xff; /* update this when handling APSD */ + if (addr) + memcpy(&desc->ea[0], addr, ETH_ALEN); +} + +static +void brcmf_fws_macdesc_deinit(struct brcmf_fws_mac_descriptor *desc) +{ + brcmf_dbg(TRACE, + "enter: ea=%pM, ifidx=%u\n", desc->ea, desc->interface_id); + desc->occupied = 0; + desc->state = BRCMF_FWS_STATE_CLOSE; + desc->requested_credit = 0; + desc->requested_packet = 0; +} + +static struct brcmf_fws_mac_descriptor * +brcmf_fws_macdesc_lookup(struct brcmf_fws_info *fws, u8 *ea) +{ + struct brcmf_fws_mac_descriptor *entry; + int i; + + if (ea == NULL) + return ERR_PTR(-EINVAL); + + entry = &fws->desc.nodes[0]; + for (i = 0; i < ARRAY_SIZE(fws->desc.nodes); i++) { + if (entry->occupied && !memcmp(entry->ea, ea, ETH_ALEN)) + return entry; + entry++; + } + + return ERR_PTR(-ENOENT); +} + +static struct brcmf_fws_mac_descriptor* +brcmf_fws_macdesc_find(struct brcmf_fws_info *fws, struct brcmf_if *ifp, u8 *da) +{ + struct brcmf_fws_mac_descriptor *entry = &fws->desc.other; + bool multicast; + + multicast = is_multicast_ether_addr(da); + + /* Multicast destination, STA and P2P clients get the interface entry. + * STA/GC gets the Mac Entry for TDLS destinations, TDLS destinations + * have their own entry. + */ + if (multicast && ifp->fws_desc) { + entry = ifp->fws_desc; + goto done; + } + + entry = brcmf_fws_macdesc_lookup(fws, da); + if (IS_ERR(entry)) + entry = ifp->fws_desc; + +done: + return entry; +} + +static bool brcmf_fws_macdesc_closed(struct brcmf_fws_info *fws, + struct brcmf_fws_mac_descriptor *entry, + int fifo) +{ + struct brcmf_fws_mac_descriptor *if_entry; + bool closed; + + /* for unique destination entries the related interface + * may be closed. + */ + if (entry->mac_handle) { + if_entry = &fws->desc.iface[entry->interface_id]; + if (if_entry->state == BRCMF_FWS_STATE_CLOSE) + return true; + } + /* an entry is closed when the state is closed and + * the firmware did not request anything. + */ + closed = entry->state == BRCMF_FWS_STATE_CLOSE && + !entry->requested_credit && !entry->requested_packet; + + /* Or firmware does not allow traffic for given fifo */ + return closed || !(entry->ac_bitmap & BIT(fifo)); +} + +static void brcmf_fws_macdesc_cleanup(struct brcmf_fws_info *fws, + struct brcmf_fws_mac_descriptor *entry, + int ifidx) +{ + if (entry->occupied && (ifidx == -1 || ifidx == entry->interface_id)) { + brcmf_fws_psq_flush(fws, &entry->psq, ifidx); + entry->occupied = !!(entry->psq.len); + } +} + +static void brcmf_fws_bus_txq_cleanup(struct brcmf_fws_info *fws, + bool (*fn)(struct sk_buff *, void *), + int ifidx) +{ + struct brcmf_fws_hanger_item *hi; + struct pktq *txq; + struct sk_buff *skb; + int prec; + u32 hslot; + + txq = brcmf_bus_gettxq(fws->drvr->bus_if); + if (IS_ERR(txq)) { + brcmf_dbg(TRACE, "no txq to clean up\n"); + return; + } + + for (prec = 0; prec < txq->num_prec; prec++) { + skb = brcmu_pktq_pdeq_match(txq, prec, fn, &ifidx); + while (skb) { + hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT); + hi = &fws->hanger.items[hslot]; + WARN_ON(skb != hi->pkt); + hi->state = BRCMF_FWS_HANGER_ITEM_STATE_FREE; + brcmu_pkt_buf_free_skb(skb); + skb = brcmu_pktq_pdeq_match(txq, prec, fn, &ifidx); + } + } +} + +static void brcmf_fws_cleanup(struct brcmf_fws_info *fws, int ifidx) +{ + int i; + struct brcmf_fws_mac_descriptor *table; + bool (*matchfn)(struct sk_buff *, void *) = NULL; + + if (fws == NULL) + return; + + if (ifidx != -1) + matchfn = brcmf_fws_ifidx_match; + + /* cleanup individual nodes */ + table = &fws->desc.nodes[0]; + for (i = 0; i < ARRAY_SIZE(fws->desc.nodes); i++) + brcmf_fws_macdesc_cleanup(fws, &table[i], ifidx); + + brcmf_fws_macdesc_cleanup(fws, &fws->desc.other, ifidx); + brcmf_fws_bus_txq_cleanup(fws, matchfn, ifidx); + brcmf_fws_hanger_cleanup(fws, matchfn, ifidx); +} + +static u8 brcmf_fws_hdrpush(struct brcmf_fws_info *fws, struct sk_buff *skb) +{ + struct brcmf_fws_mac_descriptor *entry = brcmf_skbcb(skb)->mac; + u8 *wlh; + u16 data_offset = 0; + u8 fillers; + __le32 pkttag = cpu_to_le32(brcmf_skbcb(skb)->htod); + __le16 pktseq = cpu_to_le16(brcmf_skbcb(skb)->htod_seq); + + brcmf_dbg(TRACE, "enter: %s, idx=%d hslot=%d htod %X seq %X\n", + entry->name, brcmf_skb_if_flags_get_field(skb, INDEX), + (le32_to_cpu(pkttag) >> 8) & 0xffff, + brcmf_skbcb(skb)->htod, brcmf_skbcb(skb)->htod_seq); + if (entry->send_tim_signal) + data_offset += 2 + BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP_LEN; + if (BRCMF_FWS_MODE_GET_REUSESEQ(fws->mode)) + data_offset += BRCMF_FWS_TYPE_SEQ_LEN; + /* +2 is for Type[1] and Len[1] in TLV, plus TIM signal */ + data_offset += 2 + BRCMF_FWS_TYPE_PKTTAG_LEN; + fillers = round_up(data_offset, 4) - data_offset; + data_offset += fillers; + + skb_push(skb, data_offset); + wlh = skb->data; + + wlh[0] = BRCMF_FWS_TYPE_PKTTAG; + wlh[1] = BRCMF_FWS_TYPE_PKTTAG_LEN; + memcpy(&wlh[2], &pkttag, sizeof(pkttag)); + if (BRCMF_FWS_MODE_GET_REUSESEQ(fws->mode)) { + wlh[1] += BRCMF_FWS_TYPE_SEQ_LEN; + memcpy(&wlh[2 + BRCMF_FWS_TYPE_PKTTAG_LEN], &pktseq, + sizeof(pktseq)); + } + wlh += wlh[1] + 2; + + if (entry->send_tim_signal) { + entry->send_tim_signal = 0; + wlh[0] = BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP; + wlh[1] = BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP_LEN; + wlh[2] = entry->mac_handle; + wlh[3] = entry->traffic_pending_bmp; + brcmf_dbg(TRACE, "adding TIM info: handle %d bmp 0x%X\n", + entry->mac_handle, entry->traffic_pending_bmp); + wlh += BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP_LEN + 2; + entry->traffic_lastreported_bmp = entry->traffic_pending_bmp; + } + if (fillers) + memset(wlh, BRCMF_FWS_TYPE_FILLER, fillers); + + return (u8)(data_offset >> 2); +} + +static bool brcmf_fws_tim_update(struct brcmf_fws_info *fws, + struct brcmf_fws_mac_descriptor *entry, + int fifo, bool send_immediately) +{ + struct sk_buff *skb; + struct brcmf_skbuff_cb *skcb; + s32 err; + u32 len; + u8 data_offset; + int ifidx; + + /* check delayedQ and suppressQ in one call using bitmap */ + if (brcmu_pktq_mlen(&entry->psq, 3 << (fifo * 2)) == 0) + entry->traffic_pending_bmp &= ~NBITVAL(fifo); + else + entry->traffic_pending_bmp |= NBITVAL(fifo); + + entry->send_tim_signal = false; + if (entry->traffic_lastreported_bmp != entry->traffic_pending_bmp) + entry->send_tim_signal = true; + if (send_immediately && entry->send_tim_signal && + entry->state == BRCMF_FWS_STATE_CLOSE) { + /* create a dummy packet and sent that. The traffic */ + /* bitmap info will automatically be attached to that packet */ + len = BRCMF_FWS_TYPE_PKTTAG_LEN + 2 + + BRCMF_FWS_TYPE_SEQ_LEN + + BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP_LEN + 2 + + 4 + fws->drvr->hdrlen; + skb = brcmu_pkt_buf_get_skb(len); + if (skb == NULL) + return false; + skb_pull(skb, len); + skcb = brcmf_skbcb(skb); + skcb->mac = entry; + skcb->state = BRCMF_FWS_SKBSTATE_TIM; + skcb->htod = 0; + skcb->htod_seq = 0; + data_offset = brcmf_fws_hdrpush(fws, skb); + ifidx = brcmf_skb_if_flags_get_field(skb, INDEX); + brcmf_fws_unlock(fws); + err = brcmf_proto_txdata(fws->drvr, ifidx, data_offset, skb); + brcmf_fws_lock(fws); + if (err) + brcmu_pkt_buf_free_skb(skb); + return true; + } + return false; +} + +static void +brcmf_fws_flow_control_check(struct brcmf_fws_info *fws, struct pktq *pq, + u8 if_id) +{ + struct brcmf_if *ifp = fws->drvr->iflist[!if_id ? 0 : if_id + 1]; + + if (WARN_ON(!ifp)) + return; + + if ((ifp->netif_stop & BRCMF_NETIF_STOP_REASON_FWS_FC) && + pq->len <= BRCMF_FWS_FLOWCONTROL_LOWATER) + brcmf_txflowblock_if(ifp, + BRCMF_NETIF_STOP_REASON_FWS_FC, false); + if (!(ifp->netif_stop & BRCMF_NETIF_STOP_REASON_FWS_FC) && + pq->len >= BRCMF_FWS_FLOWCONTROL_HIWATER) { + fws->stats.fws_flow_block++; + brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_FWS_FC, true); + } + return; +} + +static int brcmf_fws_rssi_indicate(struct brcmf_fws_info *fws, s8 rssi) +{ + brcmf_dbg(CTL, "rssi %d\n", rssi); + return 0; +} + +static +int brcmf_fws_macdesc_indicate(struct brcmf_fws_info *fws, u8 type, u8 *data) +{ + struct brcmf_fws_mac_descriptor *entry, *existing; + u8 mac_handle; + u8 ifidx; + u8 *addr; + + mac_handle = *data++; + ifidx = *data++; + addr = data; + + entry = &fws->desc.nodes[mac_handle & 0x1F]; + if (type == BRCMF_FWS_TYPE_MACDESC_DEL) { + if (entry->occupied) { + brcmf_dbg(TRACE, "deleting %s mac %pM\n", + entry->name, addr); + brcmf_fws_lock(fws); + brcmf_fws_macdesc_cleanup(fws, entry, -1); + brcmf_fws_macdesc_deinit(entry); + brcmf_fws_unlock(fws); + } else + fws->stats.mac_update_failed++; + return 0; + } + + existing = brcmf_fws_macdesc_lookup(fws, addr); + if (IS_ERR(existing)) { + if (!entry->occupied) { + brcmf_fws_lock(fws); + entry->mac_handle = mac_handle; + brcmf_fws_macdesc_init(entry, addr, ifidx); + brcmf_fws_macdesc_set_name(fws, entry); + brcmu_pktq_init(&entry->psq, BRCMF_FWS_PSQ_PREC_COUNT, + BRCMF_FWS_PSQ_LEN); + brcmf_fws_unlock(fws); + brcmf_dbg(TRACE, "add %s mac %pM\n", entry->name, addr); + } else { + fws->stats.mac_update_failed++; + } + } else { + if (entry != existing) { + brcmf_dbg(TRACE, "copy mac %s\n", existing->name); + brcmf_fws_lock(fws); + memcpy(entry, existing, + offsetof(struct brcmf_fws_mac_descriptor, psq)); + entry->mac_handle = mac_handle; + brcmf_fws_macdesc_deinit(existing); + brcmf_fws_macdesc_set_name(fws, entry); + brcmf_fws_unlock(fws); + brcmf_dbg(TRACE, "relocate %s mac %pM\n", entry->name, + addr); + } else { + brcmf_dbg(TRACE, "use existing\n"); + WARN_ON(entry->mac_handle != mac_handle); + /* TODO: what should we do here: continue, reinit, .. */ + } + } + return 0; +} + +static int brcmf_fws_macdesc_state_indicate(struct brcmf_fws_info *fws, + u8 type, u8 *data) +{ + struct brcmf_fws_mac_descriptor *entry; + u8 mac_handle; + int ret; + + mac_handle = data[0]; + entry = &fws->desc.nodes[mac_handle & 0x1F]; + if (!entry->occupied) { + fws->stats.mac_ps_update_failed++; + return -ESRCH; + } + brcmf_fws_lock(fws); + /* a state update should wipe old credits */ + entry->requested_credit = 0; + entry->requested_packet = 0; + if (type == BRCMF_FWS_TYPE_MAC_OPEN) { + entry->state = BRCMF_FWS_STATE_OPEN; + ret = BRCMF_FWS_RET_OK_SCHEDULE; + } else { + entry->state = BRCMF_FWS_STATE_CLOSE; + brcmf_fws_tim_update(fws, entry, BRCMF_FWS_FIFO_AC_BK, false); + brcmf_fws_tim_update(fws, entry, BRCMF_FWS_FIFO_AC_BE, false); + brcmf_fws_tim_update(fws, entry, BRCMF_FWS_FIFO_AC_VI, false); + brcmf_fws_tim_update(fws, entry, BRCMF_FWS_FIFO_AC_VO, true); + ret = BRCMF_FWS_RET_OK_NOSCHEDULE; + } + brcmf_fws_unlock(fws); + return ret; +} + +static int brcmf_fws_interface_state_indicate(struct brcmf_fws_info *fws, + u8 type, u8 *data) +{ + struct brcmf_fws_mac_descriptor *entry; + u8 ifidx; + int ret; + + ifidx = data[0]; + + if (ifidx >= BRCMF_MAX_IFS) { + ret = -ERANGE; + goto fail; + } + + entry = &fws->desc.iface[ifidx]; + if (!entry->occupied) { + ret = -ESRCH; + goto fail; + } + + brcmf_dbg(TRACE, "%s (%d): %s\n", brcmf_fws_get_tlv_name(type), type, + entry->name); + brcmf_fws_lock(fws); + switch (type) { + case BRCMF_FWS_TYPE_INTERFACE_OPEN: + entry->state = BRCMF_FWS_STATE_OPEN; + ret = BRCMF_FWS_RET_OK_SCHEDULE; + break; + case BRCMF_FWS_TYPE_INTERFACE_CLOSE: + entry->state = BRCMF_FWS_STATE_CLOSE; + ret = BRCMF_FWS_RET_OK_NOSCHEDULE; + break; + default: + ret = -EINVAL; + brcmf_fws_unlock(fws); + goto fail; + } + brcmf_fws_unlock(fws); + return ret; + +fail: + fws->stats.if_update_failed++; + return ret; +} + +static int brcmf_fws_request_indicate(struct brcmf_fws_info *fws, u8 type, + u8 *data) +{ + struct brcmf_fws_mac_descriptor *entry; + + entry = &fws->desc.nodes[data[1] & 0x1F]; + if (!entry->occupied) { + if (type == BRCMF_FWS_TYPE_MAC_REQUEST_CREDIT) + fws->stats.credit_request_failed++; + else + fws->stats.packet_request_failed++; + return -ESRCH; + } + + brcmf_dbg(TRACE, "%s (%d): %s cnt %d bmp %d\n", + brcmf_fws_get_tlv_name(type), type, entry->name, + data[0], data[2]); + brcmf_fws_lock(fws); + if (type == BRCMF_FWS_TYPE_MAC_REQUEST_CREDIT) + entry->requested_credit = data[0]; + else + entry->requested_packet = data[0]; + + entry->ac_bitmap = data[2]; + brcmf_fws_unlock(fws); + return BRCMF_FWS_RET_OK_SCHEDULE; +} + +static void +brcmf_fws_macdesc_use_req_credit(struct brcmf_fws_mac_descriptor *entry, + struct sk_buff *skb) +{ + if (entry->requested_credit > 0) { + entry->requested_credit--; + brcmf_skb_if_flags_set_field(skb, REQUESTED, 1); + brcmf_skb_if_flags_set_field(skb, REQ_CREDIT, 1); + if (entry->state != BRCMF_FWS_STATE_CLOSE) + brcmf_err("requested credit set while mac not closed!\n"); + } else if (entry->requested_packet > 0) { + entry->requested_packet--; + brcmf_skb_if_flags_set_field(skb, REQUESTED, 1); + brcmf_skb_if_flags_set_field(skb, REQ_CREDIT, 0); + if (entry->state != BRCMF_FWS_STATE_CLOSE) + brcmf_err("requested packet set while mac not closed!\n"); + } else { + brcmf_skb_if_flags_set_field(skb, REQUESTED, 0); + brcmf_skb_if_flags_set_field(skb, REQ_CREDIT, 0); + } +} + +static void brcmf_fws_macdesc_return_req_credit(struct sk_buff *skb) +{ + struct brcmf_fws_mac_descriptor *entry = brcmf_skbcb(skb)->mac; + + if ((brcmf_skb_if_flags_get_field(skb, REQ_CREDIT)) && + (entry->state == BRCMF_FWS_STATE_CLOSE)) + entry->requested_credit++; +} + +static void brcmf_fws_return_credits(struct brcmf_fws_info *fws, + u8 fifo, u8 credits) +{ + int lender_ac; + int *borrowed; + int *fifo_credit; + + if (!credits) + return; + + fws->fifo_credit_map |= 1 << fifo; + + if ((fifo == BRCMF_FWS_FIFO_AC_BE) && + (fws->credits_borrowed[0])) { + for (lender_ac = BRCMF_FWS_FIFO_AC_VO; lender_ac >= 0; + lender_ac--) { + borrowed = &fws->credits_borrowed[lender_ac]; + if (*borrowed) { + fws->fifo_credit_map |= (1 << lender_ac); + fifo_credit = &fws->fifo_credit[lender_ac]; + if (*borrowed >= credits) { + *borrowed -= credits; + *fifo_credit += credits; + return; + } else { + credits -= *borrowed; + *fifo_credit += *borrowed; + *borrowed = 0; + } + } + } + } + + fws->fifo_credit[fifo] += credits; +} + +static void brcmf_fws_schedule_deq(struct brcmf_fws_info *fws) +{ + /* only schedule dequeue when there are credits for delayed traffic */ + if ((fws->fifo_credit_map & fws->fifo_delay_map) || + (!brcmf_fws_fc_active(fws) && fws->fifo_delay_map)) + queue_work(fws->fws_wq, &fws->fws_dequeue_work); +} + +static int brcmf_fws_enq(struct brcmf_fws_info *fws, + enum brcmf_fws_skb_state state, int fifo, + struct sk_buff *p) +{ + int prec = 2 * fifo; + u32 *qfull_stat = &fws->stats.delayq_full_error; + struct brcmf_fws_mac_descriptor *entry; + struct pktq *pq; + struct sk_buff_head *queue; + struct sk_buff *p_head; + struct sk_buff *p_tail; + u32 fr_new; + u32 fr_compare; + + entry = brcmf_skbcb(p)->mac; + if (entry == NULL) { + brcmf_err("no mac descriptor found for skb %p\n", p); + return -ENOENT; + } + + brcmf_dbg(DATA, "enter: fifo %d skb %p\n", fifo, p); + if (state == BRCMF_FWS_SKBSTATE_SUPPRESSED) { + prec += 1; + qfull_stat = &fws->stats.supprq_full_error; + + /* Fix out of order delivery of frames. Dont assume frame */ + /* can be inserted at the end, but look for correct position */ + pq = &entry->psq; + if (pktq_full(pq) || pktq_pfull(pq, prec)) { + *qfull_stat += 1; + return -ENFILE; + } + queue = &pq->q[prec].skblist; + + p_head = skb_peek(queue); + p_tail = skb_peek_tail(queue); + fr_new = brcmf_skb_htod_tag_get_field(p, FREERUN); + + while (p_head != p_tail) { + fr_compare = brcmf_skb_htod_tag_get_field(p_tail, + FREERUN); + /* be sure to handle wrap of 256 */ + if (((fr_new > fr_compare) && + ((fr_new - fr_compare) < 128)) || + ((fr_new < fr_compare) && + ((fr_compare - fr_new) > 128))) + break; + p_tail = skb_queue_prev(queue, p_tail); + } + /* Position found. Determine what to do */ + if (p_tail == NULL) { + /* empty list */ + __skb_queue_tail(queue, p); + } else { + fr_compare = brcmf_skb_htod_tag_get_field(p_tail, + FREERUN); + if (((fr_new > fr_compare) && + ((fr_new - fr_compare) < 128)) || + ((fr_new < fr_compare) && + ((fr_compare - fr_new) > 128))) { + /* After tail */ + __skb_queue_after(queue, p_tail, p); + } else { + /* Before tail */ + __skb_insert(p, p_tail->prev, p_tail, queue); + } + } + + /* Complete the counters and statistics */ + pq->len++; + if (pq->hi_prec < prec) + pq->hi_prec = (u8) prec; + } else if (brcmu_pktq_penq(&entry->psq, prec, p) == NULL) { + *qfull_stat += 1; + return -ENFILE; + } + + /* increment total enqueued packet count */ + fws->fifo_delay_map |= 1 << fifo; + fws->fifo_enqpkt[fifo]++; + + /* update the sk_buff state */ + brcmf_skbcb(p)->state = state; + + /* + * A packet has been pushed so update traffic + * availability bitmap, if applicable + */ + brcmf_fws_tim_update(fws, entry, fifo, true); + brcmf_fws_flow_control_check(fws, &entry->psq, + brcmf_skb_if_flags_get_field(p, INDEX)); + return 0; +} + +static struct sk_buff *brcmf_fws_deq(struct brcmf_fws_info *fws, int fifo) +{ + struct brcmf_fws_mac_descriptor *table; + struct brcmf_fws_mac_descriptor *entry; + struct sk_buff *p; + int num_nodes; + int node_pos; + int prec_out; + int pmsk; + int i; + + table = (struct brcmf_fws_mac_descriptor *)&fws->desc; + num_nodes = sizeof(fws->desc) / sizeof(struct brcmf_fws_mac_descriptor); + node_pos = fws->deq_node_pos[fifo]; + + for (i = 0; i < num_nodes; i++) { + entry = &table[(node_pos + i) % num_nodes]; + if (!entry->occupied || + brcmf_fws_macdesc_closed(fws, entry, fifo)) + continue; + + if (entry->suppressed) + pmsk = 2; + else + pmsk = 3; + p = brcmu_pktq_mdeq(&entry->psq, pmsk << (fifo * 2), &prec_out); + if (p == NULL) { + if (entry->suppressed) { + if (entry->suppr_transit_count) + continue; + entry->suppressed = false; + p = brcmu_pktq_mdeq(&entry->psq, + 1 << (fifo * 2), &prec_out); + } + } + if (p == NULL) + continue; + + brcmf_fws_macdesc_use_req_credit(entry, p); + + /* move dequeue position to ensure fair round-robin */ + fws->deq_node_pos[fifo] = (node_pos + i + 1) % num_nodes; + brcmf_fws_flow_control_check(fws, &entry->psq, + brcmf_skb_if_flags_get_field(p, + INDEX) + ); + /* + * A packet has been picked up, update traffic + * availability bitmap, if applicable + */ + brcmf_fws_tim_update(fws, entry, fifo, false); + + /* + * decrement total enqueued fifo packets and + * clear delay bitmap if done. + */ + fws->fifo_enqpkt[fifo]--; + if (fws->fifo_enqpkt[fifo] == 0) + fws->fifo_delay_map &= ~(1 << fifo); + goto done; + } + p = NULL; +done: + brcmf_dbg(DATA, "exit: fifo %d skb %p\n", fifo, p); + return p; +} + +static int brcmf_fws_txstatus_suppressed(struct brcmf_fws_info *fws, int fifo, + struct sk_buff *skb, u8 ifidx, + u32 genbit, u16 seq) +{ + struct brcmf_fws_mac_descriptor *entry = brcmf_skbcb(skb)->mac; + u32 hslot; + int ret; + + hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT); + + /* this packet was suppressed */ + if (!entry->suppressed) { + entry->suppressed = true; + entry->suppr_transit_count = entry->transit_count; + brcmf_dbg(DATA, "suppress %s: transit %d\n", + entry->name, entry->transit_count); + } + + entry->generation = genbit; + + brcmf_skb_htod_tag_set_field(skb, GENERATION, genbit); + brcmf_skbcb(skb)->htod_seq = seq; + if (brcmf_skb_htod_seq_get_field(skb, FROMFW)) { + brcmf_skb_htod_seq_set_field(skb, FROMDRV, 1); + brcmf_skb_htod_seq_set_field(skb, FROMFW, 0); + } else { + brcmf_skb_htod_seq_set_field(skb, FROMDRV, 0); + } + ret = brcmf_fws_enq(fws, BRCMF_FWS_SKBSTATE_SUPPRESSED, fifo, skb); + + if (ret != 0) { + /* suppress q is full drop this packet */ + brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &skb, true); + } else { + /* Mark suppressed to avoid a double free during wlfc cleanup */ + brcmf_fws_hanger_mark_suppressed(&fws->hanger, hslot); + } + + return ret; +} + +static int +brcmf_fws_txs_process(struct brcmf_fws_info *fws, u8 flags, u32 hslot, + u32 genbit, u16 seq) +{ + u32 fifo; + int ret; + bool remove_from_hanger = true; + struct sk_buff *skb; + struct brcmf_skbuff_cb *skcb; + struct brcmf_fws_mac_descriptor *entry = NULL; + u8 ifidx; + + brcmf_dbg(DATA, "flags %d\n", flags); + + if (flags == BRCMF_FWS_TXSTATUS_DISCARD) + fws->stats.txs_discard++; + else if (flags == BRCMF_FWS_TXSTATUS_CORE_SUPPRESS) { + fws->stats.txs_supp_core++; + remove_from_hanger = false; + } else if (flags == BRCMF_FWS_TXSTATUS_FW_PS_SUPPRESS) { + fws->stats.txs_supp_ps++; + remove_from_hanger = false; + } else if (flags == BRCMF_FWS_TXSTATUS_FW_TOSSED) + fws->stats.txs_tossed++; + else if (flags == BRCMF_FWS_TXSTATUS_HOST_TOSSED) + fws->stats.txs_host_tossed++; + else + brcmf_err("unexpected txstatus\n"); + + ret = brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &skb, + remove_from_hanger); + if (ret != 0) { + brcmf_err("no packet in hanger slot: hslot=%d\n", hslot); + return ret; + } + + skcb = brcmf_skbcb(skb); + entry = skcb->mac; + if (WARN_ON(!entry)) { + brcmu_pkt_buf_free_skb(skb); + return -EINVAL; + } + entry->transit_count--; + if (entry->suppressed && entry->suppr_transit_count) + entry->suppr_transit_count--; + + brcmf_dbg(DATA, "%s flags %d htod %X seq %X\n", entry->name, flags, + skcb->htod, seq); + + /* pick up the implicit credit from this packet */ + fifo = brcmf_skb_htod_tag_get_field(skb, FIFO); + if ((fws->fcmode == BRCMF_FWS_FCMODE_IMPLIED_CREDIT) || + (brcmf_skb_if_flags_get_field(skb, REQ_CREDIT)) || + (flags == BRCMF_FWS_TXSTATUS_HOST_TOSSED)) { + brcmf_fws_return_credits(fws, fifo, 1); + brcmf_fws_schedule_deq(fws); + } + brcmf_fws_macdesc_return_req_credit(skb); + + if (brcmf_proto_hdrpull(fws->drvr, false, &ifidx, skb)) { + brcmu_pkt_buf_free_skb(skb); + return -EINVAL; + } + if (!remove_from_hanger) + ret = brcmf_fws_txstatus_suppressed(fws, fifo, skb, ifidx, + genbit, seq); + if (remove_from_hanger || ret) + brcmf_txfinalize(fws->drvr, skb, ifidx, true); + + return 0; +} + +static int brcmf_fws_fifocreditback_indicate(struct brcmf_fws_info *fws, + u8 *data) +{ + int i; + + if (fws->fcmode != BRCMF_FWS_FCMODE_EXPLICIT_CREDIT) { + brcmf_dbg(INFO, "ignored\n"); + return BRCMF_FWS_RET_OK_NOSCHEDULE; + } + + brcmf_dbg(DATA, "enter: data %pM\n", data); + brcmf_fws_lock(fws); + for (i = 0; i < BRCMF_FWS_FIFO_COUNT; i++) + brcmf_fws_return_credits(fws, i, data[i]); + + brcmf_dbg(DATA, "map: credit %x delay %x\n", fws->fifo_credit_map, + fws->fifo_delay_map); + brcmf_fws_unlock(fws); + return BRCMF_FWS_RET_OK_SCHEDULE; +} + +static int brcmf_fws_txstatus_indicate(struct brcmf_fws_info *fws, u8 *data) +{ + __le32 status_le; + __le16 seq_le; + u32 status; + u32 hslot; + u32 genbit; + u8 flags; + u16 seq; + + fws->stats.txs_indicate++; + memcpy(&status_le, data, sizeof(status_le)); + status = le32_to_cpu(status_le); + flags = brcmf_txstatus_get_field(status, FLAGS); + hslot = brcmf_txstatus_get_field(status, HSLOT); + genbit = brcmf_txstatus_get_field(status, GENERATION); + if (BRCMF_FWS_MODE_GET_REUSESEQ(fws->mode)) { + memcpy(&seq_le, &data[BRCMF_FWS_TYPE_PKTTAG_LEN], + sizeof(seq_le)); + seq = le16_to_cpu(seq_le); + } else { + seq = 0; + } + + brcmf_fws_lock(fws); + brcmf_fws_txs_process(fws, flags, hslot, genbit, seq); + brcmf_fws_unlock(fws); + return BRCMF_FWS_RET_OK_NOSCHEDULE; +} + +static int brcmf_fws_dbg_seqnum_check(struct brcmf_fws_info *fws, u8 *data) +{ + __le32 timestamp; + + memcpy(×tamp, &data[2], sizeof(timestamp)); + brcmf_dbg(CTL, "received: seq %d, timestamp %d\n", data[1], + le32_to_cpu(timestamp)); + return 0; +} + +static int brcmf_fws_notify_credit_map(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_fws_info *fws = ifp->drvr->fws; + int i; + u8 *credits = data; + + if (e->datalen < BRCMF_FWS_FIFO_COUNT) { + brcmf_err("event payload too small (%d)\n", e->datalen); + return -EINVAL; + } + if (fws->creditmap_received) + return 0; + + fws->creditmap_received = true; + + brcmf_dbg(TRACE, "enter: credits %pM\n", credits); + brcmf_fws_lock(fws); + for (i = 0; i < ARRAY_SIZE(fws->fifo_credit); i++) { + if (*credits) + fws->fifo_credit_map |= 1 << i; + else + fws->fifo_credit_map &= ~(1 << i); + fws->fifo_credit[i] = *credits++; + } + brcmf_fws_schedule_deq(fws); + brcmf_fws_unlock(fws); + return 0; +} + +static int brcmf_fws_notify_bcmc_credit_support(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_fws_info *fws = ifp->drvr->fws; + + brcmf_fws_lock(fws); + if (fws) + fws->bcmc_credit_check = true; + brcmf_fws_unlock(fws); + return 0; +} + +int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len, + struct sk_buff *skb) +{ + struct brcmf_skb_reorder_data *rd; + struct brcmf_fws_info *fws = drvr->fws; + u8 *signal_data; + s16 data_len; + u8 type; + u8 len; + u8 *data; + s32 status; + s32 err; + + brcmf_dbg(HDRS, "enter: ifidx %d, skblen %u, sig %d\n", + ifidx, skb->len, signal_len); + + WARN_ON(signal_len > skb->len); + + if (!signal_len) + return 0; + /* if flow control disabled, skip to packet data and leave */ + if (!fws->fw_signals) { + skb_pull(skb, signal_len); + return 0; + } + + fws->stats.header_pulls++; + data_len = signal_len; + signal_data = skb->data; + + status = BRCMF_FWS_RET_OK_NOSCHEDULE; + while (data_len > 0) { + /* extract tlv info */ + type = signal_data[0]; + + /* FILLER type is actually not a TLV, but + * a single byte that can be skipped. + */ + if (type == BRCMF_FWS_TYPE_FILLER) { + signal_data += 1; + data_len -= 1; + continue; + } + len = signal_data[1]; + data = signal_data + 2; + + brcmf_dbg(HDRS, "tlv type=%s (%d), len=%d (%d)\n", + brcmf_fws_get_tlv_name(type), type, len, + brcmf_fws_get_tlv_len(fws, type)); + + /* abort parsing when length invalid */ + if (data_len < len + 2) + break; + + if (len < brcmf_fws_get_tlv_len(fws, type)) + break; + + err = BRCMF_FWS_RET_OK_NOSCHEDULE; + switch (type) { + case BRCMF_FWS_TYPE_COMP_TXSTATUS: + break; + case BRCMF_FWS_TYPE_HOST_REORDER_RXPKTS: + rd = (struct brcmf_skb_reorder_data *)skb->cb; + rd->reorder = data; + break; + case BRCMF_FWS_TYPE_MACDESC_ADD: + case BRCMF_FWS_TYPE_MACDESC_DEL: + brcmf_fws_macdesc_indicate(fws, type, data); + break; + case BRCMF_FWS_TYPE_MAC_OPEN: + case BRCMF_FWS_TYPE_MAC_CLOSE: + err = brcmf_fws_macdesc_state_indicate(fws, type, data); + break; + case BRCMF_FWS_TYPE_INTERFACE_OPEN: + case BRCMF_FWS_TYPE_INTERFACE_CLOSE: + err = brcmf_fws_interface_state_indicate(fws, type, + data); + break; + case BRCMF_FWS_TYPE_MAC_REQUEST_CREDIT: + case BRCMF_FWS_TYPE_MAC_REQUEST_PACKET: + err = brcmf_fws_request_indicate(fws, type, data); + break; + case BRCMF_FWS_TYPE_TXSTATUS: + brcmf_fws_txstatus_indicate(fws, data); + break; + case BRCMF_FWS_TYPE_FIFO_CREDITBACK: + err = brcmf_fws_fifocreditback_indicate(fws, data); + break; + case BRCMF_FWS_TYPE_RSSI: + brcmf_fws_rssi_indicate(fws, *data); + break; + case BRCMF_FWS_TYPE_TRANS_ID: + brcmf_fws_dbg_seqnum_check(fws, data); + break; + case BRCMF_FWS_TYPE_PKTTAG: + case BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP: + default: + fws->stats.tlv_invalid_type++; + break; + } + if (err == BRCMF_FWS_RET_OK_SCHEDULE) + status = BRCMF_FWS_RET_OK_SCHEDULE; + signal_data += len + 2; + data_len -= len + 2; + } + + if (data_len != 0) + fws->stats.tlv_parse_failed++; + + if (status == BRCMF_FWS_RET_OK_SCHEDULE) + brcmf_fws_schedule_deq(fws); + + /* signalling processing result does + * not affect the actual ethernet packet. + */ + skb_pull(skb, signal_len); + + /* this may be a signal-only packet + */ + if (skb->len == 0) + fws->stats.header_only_pkt++; + + return 0; +} + +static u8 brcmf_fws_precommit_skb(struct brcmf_fws_info *fws, int fifo, + struct sk_buff *p) +{ + struct brcmf_skbuff_cb *skcb = brcmf_skbcb(p); + struct brcmf_fws_mac_descriptor *entry = skcb->mac; + u8 flags; + + if (skcb->state != BRCMF_FWS_SKBSTATE_SUPPRESSED) + brcmf_skb_htod_tag_set_field(p, GENERATION, entry->generation); + flags = BRCMF_FWS_HTOD_FLAG_PKTFROMHOST; + if (brcmf_skb_if_flags_get_field(p, REQUESTED)) { + /* + * Indicate that this packet is being sent in response to an + * explicit request from the firmware side. + */ + flags |= BRCMF_FWS_HTOD_FLAG_PKT_REQUESTED; + } + brcmf_skb_htod_tag_set_field(p, FLAGS, flags); + return brcmf_fws_hdrpush(fws, p); +} + +static void brcmf_fws_rollback_toq(struct brcmf_fws_info *fws, + struct sk_buff *skb, int fifo) +{ + struct brcmf_fws_mac_descriptor *entry; + struct sk_buff *pktout; + int qidx, hslot; + int rc = 0; + + entry = brcmf_skbcb(skb)->mac; + if (entry->occupied) { + qidx = 2 * fifo; + if (brcmf_skbcb(skb)->state == BRCMF_FWS_SKBSTATE_SUPPRESSED) + qidx++; + + pktout = brcmu_pktq_penq_head(&entry->psq, qidx, skb); + if (pktout == NULL) { + brcmf_err("%s queue %d full\n", entry->name, qidx); + rc = -ENOSPC; + } + } else { + brcmf_err("%s entry removed\n", entry->name); + rc = -ENOENT; + } + + if (rc) { + fws->stats.rollback_failed++; + hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT); + brcmf_fws_txs_process(fws, BRCMF_FWS_TXSTATUS_HOST_TOSSED, + hslot, 0, 0); + } else { + fws->stats.rollback_success++; + brcmf_fws_return_credits(fws, fifo, 1); + brcmf_fws_macdesc_return_req_credit(skb); + } +} + +static int brcmf_fws_borrow_credit(struct brcmf_fws_info *fws) +{ + int lender_ac; + + if (time_after(fws->borrow_defer_timestamp, jiffies)) { + fws->fifo_credit_map &= ~(1 << BRCMF_FWS_FIFO_AC_BE); + return -ENAVAIL; + } + + for (lender_ac = 0; lender_ac <= BRCMF_FWS_FIFO_AC_VO; lender_ac++) { + if (fws->fifo_credit[lender_ac]) { + fws->credits_borrowed[lender_ac]++; + fws->fifo_credit[lender_ac]--; + if (fws->fifo_credit[lender_ac] == 0) + fws->fifo_credit_map &= ~(1 << lender_ac); + fws->fifo_credit_map |= (1 << BRCMF_FWS_FIFO_AC_BE); + brcmf_dbg(DATA, "borrow credit from: %d\n", lender_ac); + return 0; + } + } + fws->fifo_credit_map &= ~(1 << BRCMF_FWS_FIFO_AC_BE); + return -ENAVAIL; +} + +static int brcmf_fws_commit_skb(struct brcmf_fws_info *fws, int fifo, + struct sk_buff *skb) +{ + struct brcmf_skbuff_cb *skcb = brcmf_skbcb(skb); + struct brcmf_fws_mac_descriptor *entry; + int rc; + u8 ifidx; + u8 data_offset; + + entry = skcb->mac; + if (IS_ERR(entry)) + return PTR_ERR(entry); + + data_offset = brcmf_fws_precommit_skb(fws, fifo, skb); + entry->transit_count++; + if (entry->suppressed) + entry->suppr_transit_count++; + ifidx = brcmf_skb_if_flags_get_field(skb, INDEX); + brcmf_fws_unlock(fws); + rc = brcmf_proto_txdata(fws->drvr, ifidx, data_offset, skb); + brcmf_fws_lock(fws); + brcmf_dbg(DATA, "%s flags %X htod %X bus_tx %d\n", entry->name, + skcb->if_flags, skcb->htod, rc); + if (rc < 0) { + entry->transit_count--; + if (entry->suppressed) + entry->suppr_transit_count--; + brcmf_proto_hdrpull(fws->drvr, false, &ifidx, skb); + goto rollback; + } + + fws->stats.pkt2bus++; + fws->stats.send_pkts[fifo]++; + if (brcmf_skb_if_flags_get_field(skb, REQUESTED)) + fws->stats.requested_sent[fifo]++; + + return rc; + +rollback: + brcmf_fws_rollback_toq(fws, skb, fifo); + return rc; +} + +static int brcmf_fws_assign_htod(struct brcmf_fws_info *fws, struct sk_buff *p, + int fifo) +{ + struct brcmf_skbuff_cb *skcb = brcmf_skbcb(p); + int rc, hslot; + + skcb->htod = 0; + skcb->htod_seq = 0; + hslot = brcmf_fws_hanger_get_free_slot(&fws->hanger); + brcmf_skb_htod_tag_set_field(p, HSLOT, hslot); + brcmf_skb_htod_tag_set_field(p, FREERUN, skcb->mac->seq[fifo]); + brcmf_skb_htod_tag_set_field(p, FIFO, fifo); + rc = brcmf_fws_hanger_pushpkt(&fws->hanger, p, hslot); + if (!rc) + skcb->mac->seq[fifo]++; + else + fws->stats.generic_error++; + return rc; +} + +int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb) +{ + struct brcmf_pub *drvr = ifp->drvr; + struct brcmf_fws_info *fws = drvr->fws; + struct brcmf_skbuff_cb *skcb = brcmf_skbcb(skb); + struct ethhdr *eh = (struct ethhdr *)(skb->data); + int fifo = BRCMF_FWS_FIFO_BCMC; + bool multicast = is_multicast_ether_addr(eh->h_dest); + int rc = 0; + + brcmf_dbg(DATA, "tx proto=0x%X\n", ntohs(eh->h_proto)); + /* determine the priority */ + if (!skb->priority) + skb->priority = cfg80211_classify8021d(skb, NULL); + + drvr->tx_multicast += !!multicast; + + if (fws->avoid_queueing) { + rc = brcmf_proto_txdata(drvr, ifp->ifidx, 0, skb); + if (rc < 0) + brcmf_txfinalize(drvr, skb, ifp->ifidx, false); + return rc; + } + + /* set control buffer information */ + skcb->if_flags = 0; + skcb->state = BRCMF_FWS_SKBSTATE_NEW; + brcmf_skb_if_flags_set_field(skb, INDEX, ifp->ifidx); + if (!multicast) + fifo = brcmf_fws_prio2fifo[skb->priority]; + + brcmf_fws_lock(fws); + if (fifo != BRCMF_FWS_FIFO_AC_BE && fifo < BRCMF_FWS_FIFO_BCMC) + fws->borrow_defer_timestamp = jiffies + + BRCMF_FWS_BORROW_DEFER_PERIOD; + + skcb->mac = brcmf_fws_macdesc_find(fws, ifp, eh->h_dest); + brcmf_dbg(DATA, "%s mac %pM multi %d fifo %d\n", skcb->mac->name, + eh->h_dest, multicast, fifo); + if (!brcmf_fws_assign_htod(fws, skb, fifo)) { + brcmf_fws_enq(fws, BRCMF_FWS_SKBSTATE_DELAYED, fifo, skb); + brcmf_fws_schedule_deq(fws); + } else { + brcmf_err("drop skb: no hanger slot\n"); + brcmf_txfinalize(drvr, skb, ifp->ifidx, false); + rc = -ENOMEM; + } + brcmf_fws_unlock(fws); + + return rc; +} + +void brcmf_fws_reset_interface(struct brcmf_if *ifp) +{ + struct brcmf_fws_mac_descriptor *entry = ifp->fws_desc; + + brcmf_dbg(TRACE, "enter: idx=%d\n", ifp->bssidx); + if (!entry) + return; + + brcmf_fws_macdesc_init(entry, ifp->mac_addr, ifp->ifidx); +} + +void brcmf_fws_add_interface(struct brcmf_if *ifp) +{ + struct brcmf_fws_info *fws = ifp->drvr->fws; + struct brcmf_fws_mac_descriptor *entry; + + if (!ifp->ndev) + return; + + entry = &fws->desc.iface[ifp->ifidx]; + ifp->fws_desc = entry; + brcmf_fws_macdesc_init(entry, ifp->mac_addr, ifp->ifidx); + brcmf_fws_macdesc_set_name(fws, entry); + brcmu_pktq_init(&entry->psq, BRCMF_FWS_PSQ_PREC_COUNT, + BRCMF_FWS_PSQ_LEN); + brcmf_dbg(TRACE, "added %s\n", entry->name); +} + +void brcmf_fws_del_interface(struct brcmf_if *ifp) +{ + struct brcmf_fws_mac_descriptor *entry = ifp->fws_desc; + + if (!entry) + return; + + brcmf_fws_lock(ifp->drvr->fws); + ifp->fws_desc = NULL; + brcmf_dbg(TRACE, "deleting %s\n", entry->name); + brcmf_fws_macdesc_deinit(entry); + brcmf_fws_cleanup(ifp->drvr->fws, ifp->ifidx); + brcmf_fws_unlock(ifp->drvr->fws); +} + +static void brcmf_fws_dequeue_worker(struct work_struct *worker) +{ + struct brcmf_fws_info *fws; + struct brcmf_pub *drvr; + struct sk_buff *skb; + int fifo; + u32 hslot; + u32 ifidx; + int ret; + + fws = container_of(worker, struct brcmf_fws_info, fws_dequeue_work); + drvr = fws->drvr; + + brcmf_fws_lock(fws); + for (fifo = BRCMF_FWS_FIFO_BCMC; fifo >= 0 && !fws->bus_flow_blocked; + fifo--) { + if (!brcmf_fws_fc_active(fws)) { + while ((skb = brcmf_fws_deq(fws, fifo)) != NULL) { + hslot = brcmf_skb_htod_tag_get_field(skb, + HSLOT); + brcmf_fws_hanger_poppkt(&fws->hanger, hslot, + &skb, true); + ifidx = brcmf_skb_if_flags_get_field(skb, + INDEX); + /* Use proto layer to send data frame */ + brcmf_fws_unlock(fws); + ret = brcmf_proto_txdata(drvr, ifidx, 0, skb); + brcmf_fws_lock(fws); + if (ret < 0) + brcmf_txfinalize(drvr, skb, ifidx, + false); + if (fws->bus_flow_blocked) + break; + } + continue; + } + while ((fws->fifo_credit[fifo]) || ((!fws->bcmc_credit_check) && + (fifo == BRCMF_FWS_FIFO_BCMC))) { + skb = brcmf_fws_deq(fws, fifo); + if (!skb) + break; + fws->fifo_credit[fifo]--; + if (brcmf_fws_commit_skb(fws, fifo, skb)) + break; + if (fws->bus_flow_blocked) + break; + } + if ((fifo == BRCMF_FWS_FIFO_AC_BE) && + (fws->fifo_credit[fifo] == 0) && + (!fws->bus_flow_blocked)) { + while (brcmf_fws_borrow_credit(fws) == 0) { + skb = brcmf_fws_deq(fws, fifo); + if (!skb) { + brcmf_fws_return_credits(fws, fifo, 1); + break; + } + if (brcmf_fws_commit_skb(fws, fifo, skb)) + break; + if (fws->bus_flow_blocked) + break; + } + } + } + brcmf_fws_unlock(fws); +} + +int brcmf_fws_init(struct brcmf_pub *drvr) +{ + struct brcmf_fws_info *fws; + u32 tlv = BRCMF_FWS_FLAGS_RSSI_SIGNALS; + int rc; + u32 mode; + + drvr->fws = kzalloc(sizeof(*(drvr->fws)), GFP_KERNEL); + if (!drvr->fws) { + rc = -ENOMEM; + goto fail; + } + + fws = drvr->fws; + + spin_lock_init(&fws->spinlock); + + /* set linkage back */ + fws->drvr = drvr; + fws->fcmode = fcmode; + + if ((drvr->bus_if->always_use_fws_queue == false) && + (fcmode == BRCMF_FWS_FCMODE_NONE)) { + fws->avoid_queueing = true; + brcmf_dbg(INFO, "FWS queueing will be avoided\n"); + return 0; + } + + fws->fws_wq = create_singlethread_workqueue("brcmf_fws_wq"); + if (fws->fws_wq == NULL) { + brcmf_err("workqueue creation failed\n"); + rc = -EBADF; + goto fail; + } + INIT_WORK(&fws->fws_dequeue_work, brcmf_fws_dequeue_worker); + + /* enable firmware signalling if fcmode active */ + if (fws->fcmode != BRCMF_FWS_FCMODE_NONE) + tlv |= BRCMF_FWS_FLAGS_XONXOFF_SIGNALS | + BRCMF_FWS_FLAGS_CREDIT_STATUS_SIGNALS | + BRCMF_FWS_FLAGS_HOST_PROPTXSTATUS_ACTIVE | + BRCMF_FWS_FLAGS_HOST_RXREORDER_ACTIVE; + + rc = brcmf_fweh_register(drvr, BRCMF_E_FIFO_CREDIT_MAP, + brcmf_fws_notify_credit_map); + if (rc < 0) { + brcmf_err("register credit map handler failed\n"); + goto fail; + } + rc = brcmf_fweh_register(drvr, BRCMF_E_BCMC_CREDIT_SUPPORT, + brcmf_fws_notify_bcmc_credit_support); + if (rc < 0) { + brcmf_err("register bcmc credit handler failed\n"); + brcmf_fweh_unregister(drvr, BRCMF_E_FIFO_CREDIT_MAP); + goto fail; + } + + /* Setting the iovar may fail if feature is unsupported + * so leave the rc as is so driver initialization can + * continue. Set mode back to none indicating not enabled. + */ + fws->fw_signals = true; + if (brcmf_fil_iovar_int_set(drvr->iflist[0], "tlv", tlv)) { + brcmf_err("failed to set bdcv2 tlv signaling\n"); + fws->fcmode = BRCMF_FWS_FCMODE_NONE; + fws->fw_signals = false; + } + + if (brcmf_fil_iovar_int_set(drvr->iflist[0], "ampdu_hostreorder", 1)) + brcmf_dbg(INFO, "enabling AMPDU host-reorder failed\n"); + + /* Enable seq number reuse, if supported */ + if (brcmf_fil_iovar_int_get(drvr->iflist[0], "wlfc_mode", &mode) == 0) { + if (BRCMF_FWS_MODE_GET_REUSESEQ(mode)) { + mode = 0; + BRCMF_FWS_MODE_SET_REUSESEQ(mode, 1); + if (brcmf_fil_iovar_int_set(drvr->iflist[0], + "wlfc_mode", mode) == 0) { + BRCMF_FWS_MODE_SET_REUSESEQ(fws->mode, 1); + } + } + } + + brcmf_fws_hanger_init(&fws->hanger); + brcmf_fws_macdesc_init(&fws->desc.other, NULL, 0); + brcmf_fws_macdesc_set_name(fws, &fws->desc.other); + brcmu_pktq_init(&fws->desc.other.psq, BRCMF_FWS_PSQ_PREC_COUNT, + BRCMF_FWS_PSQ_LEN); + + /* create debugfs file for statistics */ + brcmf_debugfs_create_fws_stats(drvr, &fws->stats); + + brcmf_dbg(INFO, "%s bdcv2 tlv signaling [%x]\n", + fws->fw_signals ? "enabled" : "disabled", tlv); + return 0; + +fail: + brcmf_fws_deinit(drvr); + return rc; +} + +void brcmf_fws_deinit(struct brcmf_pub *drvr) +{ + struct brcmf_fws_info *fws = drvr->fws; + + if (!fws) + return; + + if (drvr->fws->fws_wq) + destroy_workqueue(drvr->fws->fws_wq); + + /* cleanup */ + brcmf_fws_lock(fws); + brcmf_fws_cleanup(fws, -1); + drvr->fws = NULL; + brcmf_fws_unlock(fws); + + /* free top structure */ + kfree(fws); +} + +bool brcmf_fws_fc_active(struct brcmf_fws_info *fws) +{ + if (!fws->creditmap_received) + return false; + + return fws->fcmode != BRCMF_FWS_FCMODE_NONE; +} + +void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb) +{ + u32 hslot; + + if (brcmf_skbcb(skb)->state == BRCMF_FWS_SKBSTATE_TIM) { + brcmu_pkt_buf_free_skb(skb); + return; + } + brcmf_fws_lock(fws); + hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT); + brcmf_fws_txs_process(fws, BRCMF_FWS_TXSTATUS_HOST_TOSSED, hslot, 0, 0); + brcmf_fws_unlock(fws); +} + +void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked) +{ + struct brcmf_fws_info *fws = drvr->fws; + + fws->bus_flow_blocked = flow_blocked; + if (!flow_blocked) + brcmf_fws_schedule_deq(fws); + else + fws->stats.bus_flow_block++; +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.h b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.h new file mode 100644 index 00000000000..9fc860910bd --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + + +#ifndef FWSIGNAL_H_ +#define FWSIGNAL_H_ + +int brcmf_fws_init(struct brcmf_pub *drvr); +void brcmf_fws_deinit(struct brcmf_pub *drvr); +bool brcmf_fws_fc_active(struct brcmf_fws_info *fws); +int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len, + struct sk_buff *skb); +int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb); + +void brcmf_fws_reset_interface(struct brcmf_if *ifp); +void brcmf_fws_add_interface(struct brcmf_if *ifp); +void brcmf_fws_del_interface(struct brcmf_if *ifp); +void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb); +void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked); + +#endif /* FWSIGNAL_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c new file mode 100644 index 00000000000..f3445ac627e --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c @@ -0,0 +1,2424 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <linux/slab.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <net/cfg80211.h> + +#include <brcmu_wifi.h> +#include <brcmu_utils.h> +#include <defs.h> +#include <dhd.h> +#include <dhd_dbg.h> +#include "fwil.h" +#include "fwil_types.h" +#include "p2p.h" +#include "wl_cfg80211.h" + +/* parameters used for p2p escan */ +#define P2PAPI_SCAN_NPROBES 1 +#define P2PAPI_SCAN_DWELL_TIME_MS 80 +#define P2PAPI_SCAN_SOCIAL_DWELL_TIME_MS 40 +#define P2PAPI_SCAN_HOME_TIME_MS 60 +#define P2PAPI_SCAN_NPROBS_TIME_MS 30 +#define P2PAPI_SCAN_AF_SEARCH_DWELL_TIME_MS 100 +#define WL_SCAN_CONNECT_DWELL_TIME_MS 200 +#define WL_SCAN_JOIN_PROBE_INTERVAL_MS 20 + +#define BRCMF_P2P_WILDCARD_SSID "DIRECT-" +#define BRCMF_P2P_WILDCARD_SSID_LEN (sizeof(BRCMF_P2P_WILDCARD_SSID) - 1) + +#define SOCIAL_CHAN_1 1 +#define SOCIAL_CHAN_2 6 +#define SOCIAL_CHAN_3 11 +#define IS_P2P_SOCIAL_CHANNEL(channel) ((channel == SOCIAL_CHAN_1) || \ + (channel == SOCIAL_CHAN_2) || \ + (channel == SOCIAL_CHAN_3)) +#define BRCMF_P2P_TEMP_CHAN SOCIAL_CHAN_3 +#define SOCIAL_CHAN_CNT 3 +#define AF_PEER_SEARCH_CNT 2 + +#define BRCMF_SCB_TIMEOUT_VALUE 20 + +#define P2P_VER 9 /* P2P version: 9=WiFi P2P v1.0 */ +#define P2P_PUB_AF_CATEGORY 0x04 +#define P2P_PUB_AF_ACTION 0x09 +#define P2P_AF_CATEGORY 0x7f +#define P2P_OUI "\x50\x6F\x9A" /* P2P OUI */ +#define P2P_OUI_LEN 3 /* P2P OUI length */ + +/* Action Frame Constants */ +#define DOT11_ACTION_HDR_LEN 2 /* action frame category + action */ +#define DOT11_ACTION_CAT_OFF 0 /* category offset */ +#define DOT11_ACTION_ACT_OFF 1 /* action offset */ + +#define P2P_AF_DWELL_TIME 200 +#define P2P_AF_MIN_DWELL_TIME 100 +#define P2P_AF_MED_DWELL_TIME 400 +#define P2P_AF_LONG_DWELL_TIME 1000 +#define P2P_AF_TX_MAX_RETRY 1 +#define P2P_AF_MAX_WAIT_TIME 2000 +#define P2P_INVALID_CHANNEL -1 +#define P2P_CHANNEL_SYNC_RETRY 5 +#define P2P_AF_FRM_SCAN_MAX_WAIT 1500 +#define P2P_DEFAULT_SLEEP_TIME_VSDB 200 + +/* WiFi P2P Public Action Frame OUI Subtypes */ +#define P2P_PAF_GON_REQ 0 /* Group Owner Negotiation Req */ +#define P2P_PAF_GON_RSP 1 /* Group Owner Negotiation Rsp */ +#define P2P_PAF_GON_CONF 2 /* Group Owner Negotiation Confirm */ +#define P2P_PAF_INVITE_REQ 3 /* P2P Invitation Request */ +#define P2P_PAF_INVITE_RSP 4 /* P2P Invitation Response */ +#define P2P_PAF_DEVDIS_REQ 5 /* Device Discoverability Request */ +#define P2P_PAF_DEVDIS_RSP 6 /* Device Discoverability Response */ +#define P2P_PAF_PROVDIS_REQ 7 /* Provision Discovery Request */ +#define P2P_PAF_PROVDIS_RSP 8 /* Provision Discovery Response */ +#define P2P_PAF_SUBTYPE_INVALID 255 /* Invalid Subtype */ + +/* WiFi P2P Action Frame OUI Subtypes */ +#define P2P_AF_NOTICE_OF_ABSENCE 0 /* Notice of Absence */ +#define P2P_AF_PRESENCE_REQ 1 /* P2P Presence Request */ +#define P2P_AF_PRESENCE_RSP 2 /* P2P Presence Response */ +#define P2P_AF_GO_DISC_REQ 3 /* GO Discoverability Request */ + +/* P2P Service Discovery related */ +#define P2PSD_ACTION_CATEGORY 0x04 /* Public action frame */ +#define P2PSD_ACTION_ID_GAS_IREQ 0x0a /* GAS Initial Request AF */ +#define P2PSD_ACTION_ID_GAS_IRESP 0x0b /* GAS Initial Response AF */ +#define P2PSD_ACTION_ID_GAS_CREQ 0x0c /* GAS Comback Request AF */ +#define P2PSD_ACTION_ID_GAS_CRESP 0x0d /* GAS Comback Response AF */ + +/** + * struct brcmf_p2p_disc_st_le - set discovery state in firmware. + * + * @state: requested discovery state (see enum brcmf_p2p_disc_state). + * @chspec: channel parameter for %WL_P2P_DISC_ST_LISTEN state. + * @dwell: dwell time in ms for %WL_P2P_DISC_ST_LISTEN state. + */ +struct brcmf_p2p_disc_st_le { + u8 state; + __le16 chspec; + __le16 dwell; +}; + +/** + * enum brcmf_p2p_disc_state - P2P discovery state values + * + * @WL_P2P_DISC_ST_SCAN: P2P discovery with wildcard SSID and P2P IE. + * @WL_P2P_DISC_ST_LISTEN: P2P discovery off-channel for specified time. + * @WL_P2P_DISC_ST_SEARCH: P2P discovery with P2P wildcard SSID and P2P IE. + */ +enum brcmf_p2p_disc_state { + WL_P2P_DISC_ST_SCAN, + WL_P2P_DISC_ST_LISTEN, + WL_P2P_DISC_ST_SEARCH +}; + +/** + * struct brcmf_p2p_scan_le - P2P specific scan request. + * + * @type: type of scan method requested (values: 'E' or 'S'). + * @reserved: reserved (ignored). + * @eparams: parameters used for type 'E'. + * @sparams: parameters used for type 'S'. + */ +struct brcmf_p2p_scan_le { + u8 type; + u8 reserved[3]; + union { + struct brcmf_escan_params_le eparams; + struct brcmf_scan_params_le sparams; + }; +}; + +/** + * struct brcmf_p2p_pub_act_frame - WiFi P2P Public Action Frame + * + * @category: P2P_PUB_AF_CATEGORY + * @action: P2P_PUB_AF_ACTION + * @oui[3]: P2P_OUI + * @oui_type: OUI type - P2P_VER + * @subtype: OUI subtype - P2P_TYPE_* + * @dialog_token: nonzero, identifies req/rsp transaction + * @elts[1]: Variable length information elements. + */ +struct brcmf_p2p_pub_act_frame { + u8 category; + u8 action; + u8 oui[3]; + u8 oui_type; + u8 subtype; + u8 dialog_token; + u8 elts[1]; +}; + +/** + * struct brcmf_p2p_action_frame - WiFi P2P Action Frame + * + * @category: P2P_AF_CATEGORY + * @OUI[3]: OUI - P2P_OUI + * @type: OUI Type - P2P_VER + * @subtype: OUI Subtype - P2P_AF_* + * @dialog_token: nonzero, identifies req/resp tranaction + * @elts[1]: Variable length information elements. + */ +struct brcmf_p2p_action_frame { + u8 category; + u8 oui[3]; + u8 type; + u8 subtype; + u8 dialog_token; + u8 elts[1]; +}; + +/** + * struct brcmf_p2psd_gas_pub_act_frame - Wi-Fi GAS Public Action Frame + * + * @category: 0x04 Public Action Frame + * @action: 0x6c Advertisement Protocol + * @dialog_token: nonzero, identifies req/rsp transaction + * @query_data[1]: Query Data. SD gas ireq SD gas iresp + */ +struct brcmf_p2psd_gas_pub_act_frame { + u8 category; + u8 action; + u8 dialog_token; + u8 query_data[1]; +}; + +/** + * struct brcmf_config_af_params - Action Frame Parameters for tx. + * + * @mpc_onoff: To make sure to send successfully action frame, we have to + * turn off mpc 0: off, 1: on, (-1): do nothing + * @search_channel: 1: search peer's channel to send af + * extra_listen: keep the dwell time to get af response frame. + */ +struct brcmf_config_af_params { + s32 mpc_onoff; + bool search_channel; + bool extra_listen; +}; + +/** + * brcmf_p2p_is_pub_action() - true if p2p public type frame. + * + * @frame: action frame data. + * @frame_len: length of action frame data. + * + * Determine if action frame is p2p public action type + */ +static bool brcmf_p2p_is_pub_action(void *frame, u32 frame_len) +{ + struct brcmf_p2p_pub_act_frame *pact_frm; + + if (frame == NULL) + return false; + + pact_frm = (struct brcmf_p2p_pub_act_frame *)frame; + if (frame_len < sizeof(struct brcmf_p2p_pub_act_frame) - 1) + return false; + + if (pact_frm->category == P2P_PUB_AF_CATEGORY && + pact_frm->action == P2P_PUB_AF_ACTION && + pact_frm->oui_type == P2P_VER && + memcmp(pact_frm->oui, P2P_OUI, P2P_OUI_LEN) == 0) + return true; + + return false; +} + +/** + * brcmf_p2p_is_p2p_action() - true if p2p action type frame. + * + * @frame: action frame data. + * @frame_len: length of action frame data. + * + * Determine if action frame is p2p action type + */ +static bool brcmf_p2p_is_p2p_action(void *frame, u32 frame_len) +{ + struct brcmf_p2p_action_frame *act_frm; + + if (frame == NULL) + return false; + + act_frm = (struct brcmf_p2p_action_frame *)frame; + if (frame_len < sizeof(struct brcmf_p2p_action_frame) - 1) + return false; + + if (act_frm->category == P2P_AF_CATEGORY && + act_frm->type == P2P_VER && + memcmp(act_frm->oui, P2P_OUI, P2P_OUI_LEN) == 0) + return true; + + return false; +} + +/** + * brcmf_p2p_is_gas_action() - true if p2p gas action type frame. + * + * @frame: action frame data. + * @frame_len: length of action frame data. + * + * Determine if action frame is p2p gas action type + */ +static bool brcmf_p2p_is_gas_action(void *frame, u32 frame_len) +{ + struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; + + if (frame == NULL) + return false; + + sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame; + if (frame_len < sizeof(struct brcmf_p2psd_gas_pub_act_frame) - 1) + return false; + + if (sd_act_frm->category != P2PSD_ACTION_CATEGORY) + return false; + + if (sd_act_frm->action == P2PSD_ACTION_ID_GAS_IREQ || + sd_act_frm->action == P2PSD_ACTION_ID_GAS_IRESP || + sd_act_frm->action == P2PSD_ACTION_ID_GAS_CREQ || + sd_act_frm->action == P2PSD_ACTION_ID_GAS_CRESP) + return true; + + return false; +} + +/** + * brcmf_p2p_print_actframe() - debug print routine. + * + * @tx: Received or to be transmitted + * @frame: action frame data. + * @frame_len: length of action frame data. + * + * Print information about the p2p action frame + */ + +#ifdef DEBUG + +static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len) +{ + struct brcmf_p2p_pub_act_frame *pact_frm; + struct brcmf_p2p_action_frame *act_frm; + struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; + + if (!frame || frame_len <= 2) + return; + + if (brcmf_p2p_is_pub_action(frame, frame_len)) { + pact_frm = (struct brcmf_p2p_pub_act_frame *)frame; + switch (pact_frm->subtype) { + case P2P_PAF_GON_REQ: + brcmf_dbg(TRACE, "%s P2P Group Owner Negotiation Req Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_GON_RSP: + brcmf_dbg(TRACE, "%s P2P Group Owner Negotiation Rsp Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_GON_CONF: + brcmf_dbg(TRACE, "%s P2P Group Owner Negotiation Confirm Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_INVITE_REQ: + brcmf_dbg(TRACE, "%s P2P Invitation Request Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_INVITE_RSP: + brcmf_dbg(TRACE, "%s P2P Invitation Response Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_DEVDIS_REQ: + brcmf_dbg(TRACE, "%s P2P Device Discoverability Request Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_DEVDIS_RSP: + brcmf_dbg(TRACE, "%s P2P Device Discoverability Response Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_PROVDIS_REQ: + brcmf_dbg(TRACE, "%s P2P Provision Discovery Request Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_PROVDIS_RSP: + brcmf_dbg(TRACE, "%s P2P Provision Discovery Response Frame\n", + (tx) ? "TX" : "RX"); + break; + default: + brcmf_dbg(TRACE, "%s Unknown P2P Public Action Frame\n", + (tx) ? "TX" : "RX"); + break; + } + } else if (brcmf_p2p_is_p2p_action(frame, frame_len)) { + act_frm = (struct brcmf_p2p_action_frame *)frame; + switch (act_frm->subtype) { + case P2P_AF_NOTICE_OF_ABSENCE: + brcmf_dbg(TRACE, "%s P2P Notice of Absence Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_AF_PRESENCE_REQ: + brcmf_dbg(TRACE, "%s P2P Presence Request Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_AF_PRESENCE_RSP: + brcmf_dbg(TRACE, "%s P2P Presence Response Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_AF_GO_DISC_REQ: + brcmf_dbg(TRACE, "%s P2P Discoverability Request Frame\n", + (tx) ? "TX" : "RX"); + break; + default: + brcmf_dbg(TRACE, "%s Unknown P2P Action Frame\n", + (tx) ? "TX" : "RX"); + } + + } else if (brcmf_p2p_is_gas_action(frame, frame_len)) { + sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame; + switch (sd_act_frm->action) { + case P2PSD_ACTION_ID_GAS_IREQ: + brcmf_dbg(TRACE, "%s P2P GAS Initial Request\n", + (tx) ? "TX" : "RX"); + break; + case P2PSD_ACTION_ID_GAS_IRESP: + brcmf_dbg(TRACE, "%s P2P GAS Initial Response\n", + (tx) ? "TX" : "RX"); + break; + case P2PSD_ACTION_ID_GAS_CREQ: + brcmf_dbg(TRACE, "%s P2P GAS Comback Request\n", + (tx) ? "TX" : "RX"); + break; + case P2PSD_ACTION_ID_GAS_CRESP: + brcmf_dbg(TRACE, "%s P2P GAS Comback Response\n", + (tx) ? "TX" : "RX"); + break; + default: + brcmf_dbg(TRACE, "%s Unknown P2P GAS Frame\n", + (tx) ? "TX" : "RX"); + break; + } + } +} + +#else + +static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len) +{ +} + +#endif + + +/** + * brcmf_p2p_set_firmware() - prepare firmware for peer-to-peer operation. + * + * @ifp: ifp to use for iovars (primary). + * @p2p_mac: mac address to configure for p2p_da_override + */ +static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac) +{ + s32 ret = 0; + + brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); + brcmf_fil_iovar_int_set(ifp, "apsta", 1); + brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); + + /* In case of COB type, firmware has default mac address + * After Initializing firmware, we have to set current mac address to + * firmware for P2P device address + */ + ret = brcmf_fil_iovar_data_set(ifp, "p2p_da_override", p2p_mac, + ETH_ALEN); + if (ret) + brcmf_err("failed to update device address ret %d\n", ret); + + return ret; +} + +/** + * brcmf_p2p_generate_bss_mac() - derive mac addresses for P2P. + * + * @p2p: P2P specific data. + * @dev_addr: optional device address. + * + * P2P needs mac addresses for P2P device and interface. If no device + * address it specified, these are derived from the primary net device, ie. + * the permanent ethernet address of the device. + */ +static void brcmf_p2p_generate_bss_mac(struct brcmf_p2p_info *p2p, u8 *dev_addr) +{ + struct brcmf_if *pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; + bool local_admin = false; + + if (!dev_addr || is_zero_ether_addr(dev_addr)) { + dev_addr = pri_ifp->mac_addr; + local_admin = true; + } + + /* Generate the P2P Device Address. This consists of the device's + * primary MAC address with the locally administered bit set. + */ + memcpy(p2p->dev_addr, dev_addr, ETH_ALEN); + if (local_admin) + p2p->dev_addr[0] |= 0x02; + + /* Generate the P2P Interface Address. If the discovery and connection + * BSSCFGs need to simultaneously co-exist, then this address must be + * different from the P2P Device Address, but also locally administered. + */ + memcpy(p2p->int_addr, p2p->dev_addr, ETH_ALEN); + p2p->int_addr[0] |= 0x02; + p2p->int_addr[4] ^= 0x80; +} + +/** + * brcmf_p2p_scan_is_p2p_request() - is cfg80211 scan request a P2P scan. + * + * @request: the scan request as received from cfg80211. + * + * returns true if one of the ssids in the request matches the + * P2P wildcard ssid; otherwise returns false. + */ +static bool brcmf_p2p_scan_is_p2p_request(struct cfg80211_scan_request *request) +{ + struct cfg80211_ssid *ssids = request->ssids; + int i; + + for (i = 0; i < request->n_ssids; i++) { + if (ssids[i].ssid_len != BRCMF_P2P_WILDCARD_SSID_LEN) + continue; + + brcmf_dbg(INFO, "comparing ssid \"%s\"", ssids[i].ssid); + if (!memcmp(BRCMF_P2P_WILDCARD_SSID, ssids[i].ssid, + BRCMF_P2P_WILDCARD_SSID_LEN)) + return true; + } + return false; +} + +/** + * brcmf_p2p_set_discover_state - set discover state in firmware. + * + * @ifp: low-level interface object. + * @state: discover state to set. + * @chanspec: channel parameters (for state @WL_P2P_DISC_ST_LISTEN only). + * @listen_ms: duration to listen (for state @WL_P2P_DISC_ST_LISTEN only). + */ +static s32 brcmf_p2p_set_discover_state(struct brcmf_if *ifp, u8 state, + u16 chanspec, u16 listen_ms) +{ + struct brcmf_p2p_disc_st_le discover_state; + s32 ret = 0; + brcmf_dbg(TRACE, "enter\n"); + + discover_state.state = state; + discover_state.chspec = cpu_to_le16(chanspec); + discover_state.dwell = cpu_to_le16(listen_ms); + ret = brcmf_fil_bsscfg_data_set(ifp, "p2p_state", &discover_state, + sizeof(discover_state)); + return ret; +} + +/** + * brcmf_p2p_deinit_discovery() - disable P2P device discovery. + * + * @p2p: P2P specific data. + * + * Resets the discovery state and disables it in firmware. + */ +static s32 brcmf_p2p_deinit_discovery(struct brcmf_p2p_info *p2p) +{ + struct brcmf_cfg80211_vif *vif; + + brcmf_dbg(TRACE, "enter\n"); + + /* Set the discovery state to SCAN */ + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + (void)brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_SCAN, 0, 0); + + /* Disable P2P discovery in the firmware */ + vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; + (void)brcmf_fil_iovar_int_set(vif->ifp, "p2p_disc", 0); + + return 0; +} + +/** + * brcmf_p2p_enable_discovery() - initialize and configure discovery. + * + * @p2p: P2P specific data. + * + * Initializes the discovery device and configure the virtual interface. + */ +static int brcmf_p2p_enable_discovery(struct brcmf_p2p_info *p2p) +{ + struct brcmf_cfg80211_vif *vif; + s32 ret = 0; + + brcmf_dbg(TRACE, "enter\n"); + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (!vif) { + brcmf_err("P2P config device not available\n"); + ret = -EPERM; + goto exit; + } + + if (test_bit(BRCMF_P2P_STATUS_ENABLED, &p2p->status)) { + brcmf_dbg(INFO, "P2P config device already configured\n"); + goto exit; + } + + /* Re-initialize P2P Discovery in the firmware */ + vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; + ret = brcmf_fil_iovar_int_set(vif->ifp, "p2p_disc", 1); + if (ret < 0) { + brcmf_err("set p2p_disc error\n"); + goto exit; + } + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + ret = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_SCAN, 0, 0); + if (ret < 0) { + brcmf_err("unable to set WL_P2P_DISC_ST_SCAN\n"); + goto exit; + } + + /* + * Set wsec to any non-zero value in the discovery bsscfg + * to ensure our P2P probe responses have the privacy bit + * set in the 802.11 WPA IE. Some peer devices may not + * initiate WPS with us if this bit is not set. + */ + ret = brcmf_fil_bsscfg_int_set(vif->ifp, "wsec", AES_ENABLED); + if (ret < 0) { + brcmf_err("wsec error %d\n", ret); + goto exit; + } + + set_bit(BRCMF_P2P_STATUS_ENABLED, &p2p->status); +exit: + return ret; +} + +/** + * brcmf_p2p_escan() - initiate a P2P scan. + * + * @p2p: P2P specific data. + * @num_chans: number of channels to scan. + * @chanspecs: channel parameters for @num_chans channels. + * @search_state: P2P discover state to use. + * @action: scan action to pass to firmware. + * @bss_type: type of P2P bss. + */ +static s32 brcmf_p2p_escan(struct brcmf_p2p_info *p2p, u32 num_chans, + u16 chanspecs[], s32 search_state, u16 action, + enum p2p_bss_type bss_type) +{ + s32 ret = 0; + s32 memsize = offsetof(struct brcmf_p2p_scan_le, + eparams.params_le.channel_list); + s32 nprobes; + s32 active; + u32 i; + u8 *memblk; + struct brcmf_cfg80211_vif *vif; + struct brcmf_p2p_scan_le *p2p_params; + struct brcmf_scan_params_le *sparams; + struct brcmf_ssid ssid; + + memsize += num_chans * sizeof(__le16); + memblk = kzalloc(memsize, GFP_KERNEL); + if (!memblk) + return -ENOMEM; + + vif = p2p->bss_idx[bss_type].vif; + if (vif == NULL) { + brcmf_err("no vif for bss type %d\n", bss_type); + ret = -EINVAL; + goto exit; + } + + switch (search_state) { + case WL_P2P_DISC_ST_SEARCH: + /* + * If we in SEARCH STATE, we don't need to set SSID explictly + * because dongle use P2P WILDCARD internally by default + */ + /* use null ssid */ + ssid.SSID_len = 0; + memset(ssid.SSID, 0, sizeof(ssid.SSID)); + break; + case WL_P2P_DISC_ST_SCAN: + /* + * wpa_supplicant has p2p_find command with type social or + * progressive. For progressive, we need to set the ssid to + * P2P WILDCARD because we just do broadcast scan unless + * setting SSID. + */ + ssid.SSID_len = BRCMF_P2P_WILDCARD_SSID_LEN; + memcpy(ssid.SSID, BRCMF_P2P_WILDCARD_SSID, ssid.SSID_len); + break; + default: + brcmf_err(" invalid search state %d\n", search_state); + ret = -EINVAL; + goto exit; + } + + brcmf_p2p_set_discover_state(vif->ifp, search_state, 0, 0); + + /* + * set p2p scan parameters. + */ + p2p_params = (struct brcmf_p2p_scan_le *)memblk; + p2p_params->type = 'E'; + + /* determine the scan engine parameters */ + sparams = &p2p_params->eparams.params_le; + sparams->bss_type = DOT11_BSSTYPE_ANY; + if (p2p->cfg->active_scan) + sparams->scan_type = 0; + else + sparams->scan_type = 1; + + memset(&sparams->bssid, 0xFF, ETH_ALEN); + if (ssid.SSID_len) + memcpy(sparams->ssid_le.SSID, ssid.SSID, ssid.SSID_len); + sparams->ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len); + sparams->home_time = cpu_to_le32(P2PAPI_SCAN_HOME_TIME_MS); + + /* + * SOCIAL_CHAN_CNT + 1 takes care of the Progressive scan + * supported by the supplicant. + */ + if (num_chans == SOCIAL_CHAN_CNT || num_chans == (SOCIAL_CHAN_CNT + 1)) + active = P2PAPI_SCAN_SOCIAL_DWELL_TIME_MS; + else if (num_chans == AF_PEER_SEARCH_CNT) + active = P2PAPI_SCAN_AF_SEARCH_DWELL_TIME_MS; + else if (wl_get_vif_state_all(p2p->cfg, BRCMF_VIF_STATUS_CONNECTED)) + active = -1; + else + active = P2PAPI_SCAN_DWELL_TIME_MS; + + /* Override scan params to find a peer for a connection */ + if (num_chans == 1) { + active = WL_SCAN_CONNECT_DWELL_TIME_MS; + /* WAR to sync with presence period of VSDB GO. + * send probe request more frequently + */ + nprobes = active / WL_SCAN_JOIN_PROBE_INTERVAL_MS; + } else { + nprobes = active / P2PAPI_SCAN_NPROBS_TIME_MS; + } + + if (nprobes <= 0) + nprobes = 1; + + brcmf_dbg(INFO, "nprobes # %d, active_time %d\n", nprobes, active); + sparams->active_time = cpu_to_le32(active); + sparams->nprobes = cpu_to_le32(nprobes); + sparams->passive_time = cpu_to_le32(-1); + sparams->channel_num = cpu_to_le32(num_chans & + BRCMF_SCAN_PARAMS_COUNT_MASK); + for (i = 0; i < num_chans; i++) + sparams->channel_list[i] = cpu_to_le16(chanspecs[i]); + + /* set the escan specific parameters */ + p2p_params->eparams.version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); + p2p_params->eparams.action = cpu_to_le16(action); + p2p_params->eparams.sync_id = cpu_to_le16(0x1234); + /* perform p2p scan on primary device */ + ret = brcmf_fil_bsscfg_data_set(vif->ifp, "p2p_scan", memblk, memsize); + if (!ret) + set_bit(BRCMF_SCAN_STATUS_BUSY, &p2p->cfg->scan_status); +exit: + kfree(memblk); + return ret; +} + +/** + * brcmf_p2p_run_escan() - escan callback for peer-to-peer. + * + * @cfg: driver private data for cfg80211 interface. + * @ndev: net device for which scan is requested. + * @request: scan request from cfg80211. + * @action: scan action. + * + * Determines the P2P discovery state based to scan request parameters and + * validates the channels in the request. + */ +static s32 brcmf_p2p_run_escan(struct brcmf_cfg80211_info *cfg, + struct brcmf_if *ifp, + struct cfg80211_scan_request *request, + u16 action) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + s32 err = 0; + s32 search_state = WL_P2P_DISC_ST_SCAN; + struct brcmf_cfg80211_vif *vif; + struct net_device *dev = NULL; + int i, num_nodfs = 0; + u16 *chanspecs; + + brcmf_dbg(TRACE, "enter\n"); + + if (!request) { + err = -EINVAL; + goto exit; + } + + if (request->n_channels) { + chanspecs = kcalloc(request->n_channels, sizeof(*chanspecs), + GFP_KERNEL); + if (!chanspecs) { + err = -ENOMEM; + goto exit; + } + vif = p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif; + if (vif) + dev = vif->wdev.netdev; + if (request->n_channels == 3 && + request->channels[0]->hw_value == SOCIAL_CHAN_1 && + request->channels[1]->hw_value == SOCIAL_CHAN_2 && + request->channels[2]->hw_value == SOCIAL_CHAN_3) { + /* SOCIAL CHANNELS 1, 6, 11 */ + search_state = WL_P2P_DISC_ST_SEARCH; + brcmf_dbg(INFO, "P2P SEARCH PHASE START\n"); + } else if (dev != NULL && + vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { + /* If you are already a GO, then do SEARCH only */ + brcmf_dbg(INFO, "Already a GO. Do SEARCH Only\n"); + search_state = WL_P2P_DISC_ST_SEARCH; + } else { + brcmf_dbg(INFO, "P2P SCAN STATE START\n"); + } + + /* + * no P2P scanning on passive or DFS channels. + */ + for (i = 0; i < request->n_channels; i++) { + struct ieee80211_channel *chan = request->channels[i]; + + if (chan->flags & (IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR)) + continue; + + chanspecs[i] = channel_to_chanspec(&p2p->cfg->d11inf, + chan); + brcmf_dbg(INFO, "%d: chan=%d, channel spec=%x\n", + num_nodfs, chan->hw_value, chanspecs[i]); + num_nodfs++; + } + err = brcmf_p2p_escan(p2p, num_nodfs, chanspecs, search_state, + action, P2PAPI_BSSCFG_DEVICE); + kfree(chanspecs); + } +exit: + if (err) + brcmf_err("error (%d)\n", err); + return err; +} + + +/** + * brcmf_p2p_find_listen_channel() - find listen channel in ie string. + * + * @ie: string of information elements. + * @ie_len: length of string. + * + * Scan ie for p2p ie and look for attribute 6 channel. If available determine + * channel and return it. + */ +static s32 brcmf_p2p_find_listen_channel(const u8 *ie, u32 ie_len) +{ + u8 channel_ie[5]; + s32 listen_channel; + s32 err; + + err = cfg80211_get_p2p_attr(ie, ie_len, + IEEE80211_P2P_ATTR_LISTEN_CHANNEL, + channel_ie, sizeof(channel_ie)); + if (err < 0) + return err; + + /* listen channel subel length format: */ + /* 3(country) + 1(op. class) + 1(chan num) */ + listen_channel = (s32)channel_ie[3 + 1]; + + if (listen_channel == SOCIAL_CHAN_1 || + listen_channel == SOCIAL_CHAN_2 || + listen_channel == SOCIAL_CHAN_3) { + brcmf_dbg(INFO, "Found my Listen Channel %d\n", listen_channel); + return listen_channel; + } + + return -EPERM; +} + + +/** + * brcmf_p2p_scan_prep() - prepare scan based on request. + * + * @wiphy: wiphy device. + * @request: scan request from cfg80211. + * @vif: vif on which scan request is to be executed. + * + * Prepare the scan appropriately for type of scan requested. Overrides the + * escan .run() callback for peer-to-peer scanning. + */ +int brcmf_p2p_scan_prep(struct wiphy *wiphy, + struct cfg80211_scan_request *request, + struct brcmf_cfg80211_vif *vif) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_p2p_info *p2p = &cfg->p2p; + int err = 0; + + if (brcmf_p2p_scan_is_p2p_request(request)) { + /* find my listen channel */ + err = brcmf_p2p_find_listen_channel(request->ie, + request->ie_len); + if (err < 0) + return err; + + p2p->afx_hdl.my_listen_chan = err; + + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + brcmf_dbg(INFO, "P2P: GO_NEG_PHASE status cleared\n"); + + err = brcmf_p2p_enable_discovery(p2p); + if (err) + return err; + + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + + /* override .run_escan() callback. */ + cfg->escan_info.run = brcmf_p2p_run_escan; + } + err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBREQ_FLAG, + request->ie, request->ie_len); + return err; +} + + +/** + * brcmf_p2p_discover_listen() - set firmware to discover listen state. + * + * @p2p: p2p device. + * @channel: channel nr for discover listen. + * @duration: time in ms to stay on channel. + * + */ +static s32 +brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, u16 channel, u32 duration) +{ + struct brcmf_cfg80211_vif *vif; + struct brcmu_chan ch; + s32 err = 0; + + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (!vif) { + brcmf_err("Discovery is not set, so we have nothing to do\n"); + err = -EPERM; + goto exit; + } + + if (test_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, &p2p->status)) { + brcmf_err("Previous LISTEN is not completed yet\n"); + /* WAR: prevent cookie mismatch in wpa_supplicant return OK */ + goto exit; + } + + ch.chnum = channel; + ch.bw = BRCMU_CHAN_BW_20; + p2p->cfg->d11inf.encchspec(&ch); + err = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_LISTEN, + ch.chspec, (u16)duration); + if (!err) { + set_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, &p2p->status); + p2p->remain_on_channel_cookie++; + } +exit: + return err; +} + + +/** + * brcmf_p2p_remain_on_channel() - put device on channel and stay there. + * + * @wiphy: wiphy device. + * @channel: channel to stay on. + * @duration: time in ms to remain on channel. + * + */ +int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, + struct ieee80211_channel *channel, + unsigned int duration, u64 *cookie) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_p2p_info *p2p = &cfg->p2p; + s32 err; + u16 channel_nr; + + channel_nr = ieee80211_frequency_to_channel(channel->center_freq); + brcmf_dbg(TRACE, "Enter, channel: %d, duration ms (%d)\n", channel_nr, + duration); + + err = brcmf_p2p_enable_discovery(p2p); + if (err) + goto exit; + err = brcmf_p2p_discover_listen(p2p, channel_nr, duration); + if (err) + goto exit; + + memcpy(&p2p->remain_on_channel, channel, sizeof(*channel)); + *cookie = p2p->remain_on_channel_cookie; + cfg80211_ready_on_channel(wdev, *cookie, channel, duration, GFP_KERNEL); + +exit: + return err; +} + + +/** + * brcmf_p2p_notify_listen_complete() - p2p listen has completed. + * + * @ifp: interfac control. + * @e: event message. Not used, to make it usable for fweh event dispatcher. + * @data: payload of message. Not used. + * + */ +int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_p2p_info *p2p = &cfg->p2p; + + brcmf_dbg(TRACE, "Enter\n"); + if (test_and_clear_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, + &p2p->status)) { + if (test_and_clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status)) { + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + &p2p->status); + brcmf_dbg(INFO, "Listen DONE, wake up wait_next_af\n"); + complete(&p2p->wait_next_af); + } + + cfg80211_remain_on_channel_expired(&ifp->vif->wdev, + p2p->remain_on_channel_cookie, + &p2p->remain_on_channel, + GFP_KERNEL); + } + return 0; +} + + +/** + * brcmf_p2p_cancel_remain_on_channel() - cancel p2p listen state. + * + * @ifp: interfac control. + * + */ +void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp) +{ + if (!ifp) + return; + brcmf_p2p_set_discover_state(ifp, WL_P2P_DISC_ST_SCAN, 0, 0); + brcmf_p2p_notify_listen_complete(ifp, NULL, NULL); +} + + +/** + * brcmf_p2p_act_frm_search() - search function for action frame. + * + * @p2p: p2p device. + * channel: channel on which action frame is to be trasmitted. + * + * search function to reach at common channel to send action frame. When + * channel is 0 then all social channels will be used to send af + */ +static s32 brcmf_p2p_act_frm_search(struct brcmf_p2p_info *p2p, u16 channel) +{ + s32 err; + u32 channel_cnt; + u16 *default_chan_list; + u32 i; + struct brcmu_chan ch; + + brcmf_dbg(TRACE, "Enter\n"); + + if (channel) + channel_cnt = AF_PEER_SEARCH_CNT; + else + channel_cnt = SOCIAL_CHAN_CNT; + default_chan_list = kzalloc(channel_cnt * sizeof(*default_chan_list), + GFP_KERNEL); + if (default_chan_list == NULL) { + brcmf_err("channel list allocation failed\n"); + err = -ENOMEM; + goto exit; + } + ch.bw = BRCMU_CHAN_BW_20; + if (channel) { + ch.chnum = channel; + p2p->cfg->d11inf.encchspec(&ch); + /* insert same channel to the chan_list */ + for (i = 0; i < channel_cnt; i++) + default_chan_list[i] = ch.chspec; + } else { + ch.chnum = SOCIAL_CHAN_1; + p2p->cfg->d11inf.encchspec(&ch); + default_chan_list[0] = ch.chspec; + ch.chnum = SOCIAL_CHAN_2; + p2p->cfg->d11inf.encchspec(&ch); + default_chan_list[1] = ch.chspec; + ch.chnum = SOCIAL_CHAN_3; + p2p->cfg->d11inf.encchspec(&ch); + default_chan_list[2] = ch.chspec; + } + err = brcmf_p2p_escan(p2p, channel_cnt, default_chan_list, + WL_P2P_DISC_ST_SEARCH, WL_ESCAN_ACTION_START, + P2PAPI_BSSCFG_DEVICE); + kfree(default_chan_list); +exit: + return err; +} + + +/** + * brcmf_p2p_afx_handler() - afx worker thread. + * + * @work: + * + */ +static void brcmf_p2p_afx_handler(struct work_struct *work) +{ + struct afx_hdl *afx_hdl = container_of(work, struct afx_hdl, afx_work); + struct brcmf_p2p_info *p2p = container_of(afx_hdl, + struct brcmf_p2p_info, + afx_hdl); + s32 err; + + if (!afx_hdl->is_active) + return; + + if (afx_hdl->is_listen && afx_hdl->my_listen_chan) + /* 100ms ~ 300ms */ + err = brcmf_p2p_discover_listen(p2p, afx_hdl->my_listen_chan, + 100 * (1 + prandom_u32() % 3)); + else + err = brcmf_p2p_act_frm_search(p2p, afx_hdl->peer_listen_chan); + + if (err) { + brcmf_err("ERROR occurred! value is (%d)\n", err); + if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status)) + complete(&afx_hdl->act_frm_scan); + } +} + + +/** + * brcmf_p2p_af_searching_channel() - search channel. + * + * @p2p: p2p device info struct. + * + */ +static s32 brcmf_p2p_af_searching_channel(struct brcmf_p2p_info *p2p) +{ + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + struct brcmf_cfg80211_vif *pri_vif; + unsigned long duration; + s32 retry; + + brcmf_dbg(TRACE, "Enter\n"); + + pri_vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; + + reinit_completion(&afx_hdl->act_frm_scan); + set_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status); + afx_hdl->is_active = true; + afx_hdl->peer_chan = P2P_INVALID_CHANNEL; + + /* Loop to wait until we find a peer's channel or the + * pending action frame tx is cancelled. + */ + retry = 0; + duration = msecs_to_jiffies(P2P_AF_FRM_SCAN_MAX_WAIT); + while ((retry < P2P_CHANNEL_SYNC_RETRY) && + (afx_hdl->peer_chan == P2P_INVALID_CHANNEL)) { + afx_hdl->is_listen = false; + brcmf_dbg(TRACE, "Scheduling action frame for sending.. (%d)\n", + retry); + /* search peer on peer's listen channel */ + schedule_work(&afx_hdl->afx_work); + wait_for_completion_timeout(&afx_hdl->act_frm_scan, duration); + if ((afx_hdl->peer_chan != P2P_INVALID_CHANNEL) || + (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status))) + break; + + if (afx_hdl->my_listen_chan) { + brcmf_dbg(TRACE, "Scheduling listen peer, channel=%d\n", + afx_hdl->my_listen_chan); + /* listen on my listen channel */ + afx_hdl->is_listen = true; + schedule_work(&afx_hdl->afx_work); + wait_for_completion_timeout(&afx_hdl->act_frm_scan, + duration); + } + if ((afx_hdl->peer_chan != P2P_INVALID_CHANNEL) || + (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status))) + break; + retry++; + + /* if sta is connected or connecting, sleep for a while before + * retry af tx or finding a peer + */ + if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &pri_vif->sme_state) || + test_bit(BRCMF_VIF_STATUS_CONNECTING, &pri_vif->sme_state)) + msleep(P2P_DEFAULT_SLEEP_TIME_VSDB); + } + + brcmf_dbg(TRACE, "Completed search/listen peer_chan=%d\n", + afx_hdl->peer_chan); + afx_hdl->is_active = false; + + clear_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status); + + return afx_hdl->peer_chan; +} + + +/** + * brcmf_p2p_scan_finding_common_channel() - was escan used for finding channel + * + * @cfg: common configuration struct. + * @bi: bss info struct, result from scan. + * + */ +bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, + struct brcmf_bss_info_le *bi) + +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + struct brcmu_chan ch; + u8 *ie; + s32 err; + u8 p2p_dev_addr[ETH_ALEN]; + + if (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status)) + return false; + + if (bi == NULL) { + brcmf_dbg(TRACE, "ACTION FRAME SCAN Done\n"); + if (afx_hdl->peer_chan == P2P_INVALID_CHANNEL) + complete(&afx_hdl->act_frm_scan); + return true; + } + + ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); + memset(p2p_dev_addr, 0, sizeof(p2p_dev_addr)); + err = cfg80211_get_p2p_attr(ie, le32_to_cpu(bi->ie_length), + IEEE80211_P2P_ATTR_DEVICE_INFO, + p2p_dev_addr, sizeof(p2p_dev_addr)); + if (err < 0) + err = cfg80211_get_p2p_attr(ie, le32_to_cpu(bi->ie_length), + IEEE80211_P2P_ATTR_DEVICE_ID, + p2p_dev_addr, sizeof(p2p_dev_addr)); + if ((err >= 0) && + (ether_addr_equal(p2p_dev_addr, afx_hdl->tx_dst_addr))) { + if (!bi->ctl_ch) { + ch.chspec = le16_to_cpu(bi->chanspec); + cfg->d11inf.decchspec(&ch); + bi->ctl_ch = ch.chnum; + } + afx_hdl->peer_chan = bi->ctl_ch; + brcmf_dbg(TRACE, "ACTION FRAME SCAN : Peer %pM found, channel : %d\n", + afx_hdl->tx_dst_addr, afx_hdl->peer_chan); + complete(&afx_hdl->act_frm_scan); + } + return true; +} + +/** + * brcmf_p2p_stop_wait_next_action_frame() - finish scan if af tx complete. + * + * @cfg: common configuration struct. + * + */ +static void +brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_if *ifp = cfg->escan_info.ifp; + + if (test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status) && + (test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status) || + test_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status))) { + brcmf_dbg(TRACE, "*** Wake UP ** abort actframe iovar\n"); + /* if channel is not zero, "actfame" uses off channel scan. + * So abort scan for off channel completion. + */ + if (p2p->af_sent_channel) + brcmf_notify_escan_complete(cfg, ifp, true, true); + } else if (test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status)) { + brcmf_dbg(TRACE, "*** Wake UP ** abort listen for next af frame\n"); + /* So abort scan to cancel listen */ + brcmf_notify_escan_complete(cfg, ifp, true, true); + } +} + + +/** + * brcmf_p2p_gon_req_collision() - Check if go negotiaton collission + * + * @p2p: p2p device info struct. + * + * return true if recevied action frame is to be dropped. + */ +static bool +brcmf_p2p_gon_req_collision(struct brcmf_p2p_info *p2p, u8 *mac) +{ + struct brcmf_cfg80211_info *cfg = p2p->cfg; + struct brcmf_if *ifp; + + brcmf_dbg(TRACE, "Enter\n"); + + if (!test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) || + !p2p->gon_req_action) + return false; + + brcmf_dbg(TRACE, "GO Negotiation Request COLLISION !!!\n"); + /* if sa(peer) addr is less than da(my) addr, then this device + * process peer's gon request and block to send gon req. + * if not (sa addr > da addr), + * this device will process gon request and drop gon req of peer. + */ + ifp = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->ifp; + if (memcmp(mac, ifp->mac_addr, ETH_ALEN) < 0) { + brcmf_dbg(INFO, "Block transmit gon req !!!\n"); + p2p->block_gon_req_tx = true; + /* if we are finding a common channel for sending af, + * do not scan more to block to send current gon req + */ + if (test_and_clear_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status)) + complete(&p2p->afx_hdl.act_frm_scan); + if (test_and_clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + &p2p->status)) + brcmf_p2p_stop_wait_next_action_frame(cfg); + return false; + } + + /* drop gon request of peer to process gon request by this device. */ + brcmf_dbg(INFO, "Drop received gon req !!!\n"); + + return true; +} + + +/** + * brcmf_p2p_notify_action_frame_rx() - received action frame. + * + * @ifp: interfac control. + * @e: event message. Not used, to make it usable for fweh event dispatcher. + * @data: payload of message, containing action frame data. + * + */ +int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + struct wireless_dev *wdev; + u32 mgmt_frame_len = e->datalen - sizeof(struct brcmf_rx_mgmt_data); + struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data; + u8 *frame = (u8 *)(rxframe + 1); + struct brcmf_p2p_pub_act_frame *act_frm; + struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; + struct brcmu_chan ch; + struct ieee80211_mgmt *mgmt_frame; + s32 freq; + u16 mgmt_type; + u8 action; + + ch.chspec = be16_to_cpu(rxframe->chanspec); + cfg->d11inf.decchspec(&ch); + /* Check if wpa_supplicant has registered for this frame */ + brcmf_dbg(INFO, "ifp->vif->mgmt_rx_reg %04x\n", ifp->vif->mgmt_rx_reg); + mgmt_type = (IEEE80211_STYPE_ACTION & IEEE80211_FCTL_STYPE) >> 4; + if ((ifp->vif->mgmt_rx_reg & BIT(mgmt_type)) == 0) + return 0; + + brcmf_p2p_print_actframe(false, frame, mgmt_frame_len); + + action = P2P_PAF_SUBTYPE_INVALID; + if (brcmf_p2p_is_pub_action(frame, mgmt_frame_len)) { + act_frm = (struct brcmf_p2p_pub_act_frame *)frame; + action = act_frm->subtype; + if ((action == P2P_PAF_GON_REQ) && + (brcmf_p2p_gon_req_collision(p2p, (u8 *)e->addr))) { + if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status) && + (ether_addr_equal(afx_hdl->tx_dst_addr, e->addr))) { + afx_hdl->peer_chan = ch.chnum; + brcmf_dbg(INFO, "GON request: Peer found, channel=%d\n", + afx_hdl->peer_chan); + complete(&afx_hdl->act_frm_scan); + } + return 0; + } + /* After complete GO Negotiation, roll back to mpc mode */ + if ((action == P2P_PAF_GON_CONF) || + (action == P2P_PAF_PROVDIS_RSP)) + brcmf_set_mpc(ifp, 1); + if (action == P2P_PAF_GON_CONF) { + brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status cleared\n"); + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + } + } else if (brcmf_p2p_is_gas_action(frame, mgmt_frame_len)) { + sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame; + action = sd_act_frm->action; + } + + if (test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) && + (p2p->next_af_subtype == action)) { + brcmf_dbg(TRACE, "We got a right next frame! (%d)\n", action); + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + &p2p->status); + /* Stop waiting for next AF. */ + brcmf_p2p_stop_wait_next_action_frame(cfg); + } + + mgmt_frame = kzalloc(offsetof(struct ieee80211_mgmt, u) + + mgmt_frame_len, GFP_KERNEL); + if (!mgmt_frame) { + brcmf_err("No memory available for action frame\n"); + return -ENOMEM; + } + memcpy(mgmt_frame->da, ifp->mac_addr, ETH_ALEN); + brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSSID, mgmt_frame->bssid, + ETH_ALEN); + memcpy(mgmt_frame->sa, e->addr, ETH_ALEN); + mgmt_frame->frame_control = cpu_to_le16(IEEE80211_STYPE_ACTION); + memcpy(&mgmt_frame->u, frame, mgmt_frame_len); + mgmt_frame_len += offsetof(struct ieee80211_mgmt, u); + + freq = ieee80211_channel_to_frequency(ch.chnum, + ch.band == BRCMU_CHAN_BAND_2G ? + IEEE80211_BAND_2GHZ : + IEEE80211_BAND_5GHZ); + + wdev = &ifp->vif->wdev; + cfg80211_rx_mgmt(wdev, freq, 0, (u8 *)mgmt_frame, mgmt_frame_len, 0, + GFP_ATOMIC); + + kfree(mgmt_frame); + return 0; +} + + +/** + * brcmf_p2p_notify_action_tx_complete() - transmit action frame complete + * + * @ifp: interfac control. + * @e: event message. Not used, to make it usable for fweh event dispatcher. + * @data: not used. + * + */ +int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_p2p_info *p2p = &cfg->p2p; + + brcmf_dbg(INFO, "Enter: event %s, status=%d\n", + e->event_code == BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE ? + "ACTION_FRAME_OFF_CHAN_COMPLETE" : "ACTION_FRAME_COMPLETE", + e->status); + + if (!test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status)) + return 0; + + if (e->event_code == BRCMF_E_ACTION_FRAME_COMPLETE) { + if (e->status == BRCMF_E_STATUS_SUCCESS) + set_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, + &p2p->status); + else { + set_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); + /* If there is no ack, we don't need to wait for + * WLC_E_ACTION_FRAME_OFFCHAN_COMPLETE event + */ + brcmf_p2p_stop_wait_next_action_frame(cfg); + } + + } else { + complete(&p2p->send_af_done); + } + return 0; +} + + +/** + * brcmf_p2p_tx_action_frame() - send action frame over fil. + * + * @p2p: p2p info struct for vif. + * @af_params: action frame data/info. + * + * Send an action frame immediately without doing channel synchronization. + * + * This function waits for a completion event before returning. + * The WLC_E_ACTION_FRAME_COMPLETE event will be received when the action + * frame is transmitted. + */ +static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p, + struct brcmf_fil_af_params_le *af_params) +{ + struct brcmf_cfg80211_vif *vif; + s32 err = 0; + s32 timeout = 0; + + brcmf_dbg(TRACE, "Enter\n"); + + reinit_completion(&p2p->send_af_done); + clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status); + clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); + + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + err = brcmf_fil_bsscfg_data_set(vif->ifp, "actframe", af_params, + sizeof(*af_params)); + if (err) { + brcmf_err(" sending action frame has failed\n"); + goto exit; + } + + p2p->af_sent_channel = le32_to_cpu(af_params->channel); + p2p->af_tx_sent_jiffies = jiffies; + + timeout = wait_for_completion_timeout(&p2p->send_af_done, + msecs_to_jiffies(P2P_AF_MAX_WAIT_TIME)); + + if (test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status)) { + brcmf_dbg(TRACE, "TX action frame operation is success\n"); + } else { + err = -EIO; + brcmf_dbg(TRACE, "TX action frame operation has failed\n"); + } + /* clear status bit for action tx */ + clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status); + clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); + +exit: + return err; +} + + +/** + * brcmf_p2p_pub_af_tx() - public action frame tx routine. + * + * @cfg: driver private data for cfg80211 interface. + * @af_params: action frame data/info. + * @config_af_params: configuration data for action frame. + * + * routine which transmits ation frame public type. + */ +static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg, + struct brcmf_fil_af_params_le *af_params, + struct brcmf_config_af_params *config_af_params) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_fil_action_frame_le *action_frame; + struct brcmf_p2p_pub_act_frame *act_frm; + s32 err = 0; + u16 ie_len; + + action_frame = &af_params->action_frame; + act_frm = (struct brcmf_p2p_pub_act_frame *)(action_frame->data); + + config_af_params->extra_listen = true; + + switch (act_frm->subtype) { + case P2P_PAF_GON_REQ: + brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status set\n"); + set_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + config_af_params->mpc_onoff = 0; + config_af_params->search_channel = true; + p2p->next_af_subtype = act_frm->subtype + 1; + p2p->gon_req_action = true; + /* increase dwell time to wait for RESP frame */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + break; + case P2P_PAF_GON_RSP: + p2p->next_af_subtype = act_frm->subtype + 1; + /* increase dwell time to wait for CONF frame */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + break; + case P2P_PAF_GON_CONF: + /* If we reached till GO Neg confirmation reset the filter */ + brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status cleared\n"); + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + /* turn on mpc again if go nego is done */ + config_af_params->mpc_onoff = 1; + /* minimize dwell time */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + config_af_params->extra_listen = false; + break; + case P2P_PAF_INVITE_REQ: + config_af_params->search_channel = true; + p2p->next_af_subtype = act_frm->subtype + 1; + /* increase dwell time */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + break; + case P2P_PAF_INVITE_RSP: + /* minimize dwell time */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + config_af_params->extra_listen = false; + break; + case P2P_PAF_DEVDIS_REQ: + config_af_params->search_channel = true; + p2p->next_af_subtype = act_frm->subtype + 1; + /* maximize dwell time to wait for RESP frame */ + af_params->dwell_time = cpu_to_le32(P2P_AF_LONG_DWELL_TIME); + break; + case P2P_PAF_DEVDIS_RSP: + /* minimize dwell time */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + config_af_params->extra_listen = false; + break; + case P2P_PAF_PROVDIS_REQ: + ie_len = le16_to_cpu(action_frame->len) - + offsetof(struct brcmf_p2p_pub_act_frame, elts); + if (cfg80211_get_p2p_attr(&act_frm->elts[0], ie_len, + IEEE80211_P2P_ATTR_GROUP_ID, + NULL, 0) < 0) + config_af_params->search_channel = true; + config_af_params->mpc_onoff = 0; + p2p->next_af_subtype = act_frm->subtype + 1; + /* increase dwell time to wait for RESP frame */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + break; + case P2P_PAF_PROVDIS_RSP: + /* wpa_supplicant send go nego req right after prov disc */ + p2p->next_af_subtype = P2P_PAF_GON_REQ; + /* increase dwell time to MED level */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + config_af_params->extra_listen = false; + break; + default: + brcmf_err("Unknown p2p pub act frame subtype: %d\n", + act_frm->subtype); + err = -EINVAL; + } + return err; +} + +/** + * brcmf_p2p_send_action_frame() - send action frame . + * + * @cfg: driver private data for cfg80211 interface. + * @ndev: net device to transmit on. + * @af_params: configuration data for action frame. + */ +bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, + struct net_device *ndev, + struct brcmf_fil_af_params_le *af_params) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_fil_action_frame_le *action_frame; + struct brcmf_config_af_params config_af_params; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + u16 action_frame_len; + bool ack = false; + u8 category; + u8 action; + s32 tx_retry; + s32 extra_listen_time; + uint delta_ms; + + action_frame = &af_params->action_frame; + action_frame_len = le16_to_cpu(action_frame->len); + + brcmf_p2p_print_actframe(true, action_frame->data, action_frame_len); + + /* Add the default dwell time. Dwell time to stay off-channel */ + /* to wait for a response action frame after transmitting an */ + /* GO Negotiation action frame */ + af_params->dwell_time = cpu_to_le32(P2P_AF_DWELL_TIME); + + category = action_frame->data[DOT11_ACTION_CAT_OFF]; + action = action_frame->data[DOT11_ACTION_ACT_OFF]; + + /* initialize variables */ + p2p->next_af_subtype = P2P_PAF_SUBTYPE_INVALID; + p2p->gon_req_action = false; + + /* config parameters */ + config_af_params.mpc_onoff = -1; + config_af_params.search_channel = false; + config_af_params.extra_listen = false; + + if (brcmf_p2p_is_pub_action(action_frame->data, action_frame_len)) { + /* p2p public action frame process */ + if (brcmf_p2p_pub_af_tx(cfg, af_params, &config_af_params)) { + /* Just send unknown subtype frame with */ + /* default parameters. */ + brcmf_err("P2P Public action frame, unknown subtype.\n"); + } + } else if (brcmf_p2p_is_gas_action(action_frame->data, + action_frame_len)) { + /* service discovery process */ + if (action == P2PSD_ACTION_ID_GAS_IREQ || + action == P2PSD_ACTION_ID_GAS_CREQ) { + /* configure service discovery query frame */ + config_af_params.search_channel = true; + + /* save next af suptype to cancel */ + /* remaining dwell time */ + p2p->next_af_subtype = action + 1; + + af_params->dwell_time = + cpu_to_le32(P2P_AF_MED_DWELL_TIME); + } else if (action == P2PSD_ACTION_ID_GAS_IRESP || + action == P2PSD_ACTION_ID_GAS_CRESP) { + /* configure service discovery response frame */ + af_params->dwell_time = + cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + } else { + brcmf_err("Unknown action type: %d\n", action); + goto exit; + } + } else if (brcmf_p2p_is_p2p_action(action_frame->data, + action_frame_len)) { + /* do not configure anything. it will be */ + /* sent with a default configuration */ + } else { + brcmf_err("Unknown Frame: category 0x%x, action 0x%x\n", + category, action); + return false; + } + + /* if connecting on primary iface, sleep for a while before sending + * af tx for VSDB + */ + if (test_bit(BRCMF_VIF_STATUS_CONNECTING, + &p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->sme_state)) + msleep(50); + + /* if scan is ongoing, abort current scan. */ + if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) + brcmf_abort_scanning(cfg); + + memcpy(afx_hdl->tx_dst_addr, action_frame->da, ETH_ALEN); + + /* To make sure to send successfully action frame, turn off mpc */ + if (config_af_params.mpc_onoff == 0) + brcmf_set_mpc(ifp, 0); + + /* set status and destination address before sending af */ + if (p2p->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) { + /* set status to cancel the remained dwell time in rx process */ + set_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status); + } + + p2p->af_sent_channel = 0; + set_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status); + /* validate channel and p2p ies */ + if (config_af_params.search_channel && + IS_P2P_SOCIAL_CHANNEL(le32_to_cpu(af_params->channel)) && + p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->saved_ie.probe_req_ie_len) { + afx_hdl = &p2p->afx_hdl; + afx_hdl->peer_listen_chan = le32_to_cpu(af_params->channel); + + if (brcmf_p2p_af_searching_channel(p2p) == + P2P_INVALID_CHANNEL) { + brcmf_err("Couldn't find peer's channel.\n"); + goto exit; + } + + /* Abort scan even for VSDB scenarios. Scan gets aborted in + * firmware but after the check of piggyback algorithm. To take + * care of current piggback algo, lets abort the scan here + * itself. + */ + brcmf_notify_escan_complete(cfg, ifp, true, true); + + /* update channel */ + af_params->channel = cpu_to_le32(afx_hdl->peer_chan); + } + + tx_retry = 0; + while (!p2p->block_gon_req_tx && + (ack == false) && (tx_retry < P2P_AF_TX_MAX_RETRY)) { + ack = !brcmf_p2p_tx_action_frame(p2p, af_params); + tx_retry++; + } + if (ack == false) { + brcmf_err("Failed to send Action Frame(retry %d)\n", tx_retry); + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + } + +exit: + clear_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status); + + /* WAR: sometimes dongle does not keep the dwell time of 'actframe'. + * if we coundn't get the next action response frame and dongle does + * not keep the dwell time, go to listen state again to get next action + * response frame. + */ + if (ack && config_af_params.extra_listen && !p2p->block_gon_req_tx && + test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) && + p2p->af_sent_channel == afx_hdl->my_listen_chan) { + delta_ms = jiffies_to_msecs(jiffies - p2p->af_tx_sent_jiffies); + if (le32_to_cpu(af_params->dwell_time) > delta_ms) + extra_listen_time = le32_to_cpu(af_params->dwell_time) - + delta_ms; + else + extra_listen_time = 0; + if (extra_listen_time > 50) { + set_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status); + brcmf_dbg(INFO, "Wait more time! actual af time:%d, calculated extra listen:%d\n", + le32_to_cpu(af_params->dwell_time), + extra_listen_time); + extra_listen_time += 100; + if (!brcmf_p2p_discover_listen(p2p, + p2p->af_sent_channel, + extra_listen_time)) { + unsigned long duration; + + extra_listen_time += 100; + duration = msecs_to_jiffies(extra_listen_time); + wait_for_completion_timeout(&p2p->wait_next_af, + duration); + } + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status); + } + } + + if (p2p->block_gon_req_tx) { + /* if ack is true, supplicant will wait more time(100ms). + * so we will return it as a success to get more time . + */ + p2p->block_gon_req_tx = false; + ack = true; + } + + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status); + /* if all done, turn mpc on again */ + if (config_af_params.mpc_onoff == 1) + brcmf_set_mpc(ifp, 1); + + return ack; +} + +/** + * brcmf_p2p_notify_rx_mgmt_p2p_probereq() - Event handler for p2p probe req. + * + * @ifp: interface pointer for which event was received. + * @e: even message. + * @data: payload of event message (probe request). + */ +s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + struct brcmf_cfg80211_vif *vif = ifp->vif; + struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data; + u16 chanspec = be16_to_cpu(rxframe->chanspec); + struct brcmu_chan ch; + u8 *mgmt_frame; + u32 mgmt_frame_len; + s32 freq; + u16 mgmt_type; + + brcmf_dbg(INFO, "Enter: event %d reason %d\n", e->event_code, + e->reason); + + ch.chspec = be16_to_cpu(rxframe->chanspec); + cfg->d11inf.decchspec(&ch); + + if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status) && + (ether_addr_equal(afx_hdl->tx_dst_addr, e->addr))) { + afx_hdl->peer_chan = ch.chnum; + brcmf_dbg(INFO, "PROBE REQUEST: Peer found, channel=%d\n", + afx_hdl->peer_chan); + complete(&afx_hdl->act_frm_scan); + } + + /* Firmware sends us two proberesponses for each idx one. At the */ + /* moment anything but bsscfgidx 0 is passed up to supplicant */ + if (e->bsscfgidx == 0) + return 0; + + /* Filter any P2P probe reqs arriving during the GO-NEG Phase */ + if (test_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status)) { + brcmf_dbg(INFO, "Filtering P2P probe_req in GO-NEG phase\n"); + return 0; + } + + /* Check if wpa_supplicant has registered for this frame */ + brcmf_dbg(INFO, "vif->mgmt_rx_reg %04x\n", vif->mgmt_rx_reg); + mgmt_type = (IEEE80211_STYPE_PROBE_REQ & IEEE80211_FCTL_STYPE) >> 4; + if ((vif->mgmt_rx_reg & BIT(mgmt_type)) == 0) + return 0; + + mgmt_frame = (u8 *)(rxframe + 1); + mgmt_frame_len = e->datalen - sizeof(*rxframe); + freq = ieee80211_channel_to_frequency(ch.chnum, + ch.band == BRCMU_CHAN_BAND_2G ? + IEEE80211_BAND_2GHZ : + IEEE80211_BAND_5GHZ); + + cfg80211_rx_mgmt(&vif->wdev, freq, 0, mgmt_frame, mgmt_frame_len, 0, + GFP_ATOMIC); + + brcmf_dbg(INFO, "mgmt_frame_len (%d) , e->datalen (%d), chanspec (%04x), freq (%d)\n", + mgmt_frame_len, e->datalen, chanspec, freq); + + return 0; +} + + +/** + * brcmf_p2p_attach() - attach for P2P. + * + * @cfg: driver private data for cfg80211 interface. + */ +s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_if *pri_ifp; + struct brcmf_if *p2p_ifp; + struct brcmf_cfg80211_vif *p2p_vif; + struct brcmf_p2p_info *p2p; + struct brcmf_pub *drvr; + s32 bssidx; + s32 err = 0; + + p2p = &cfg->p2p; + p2p->cfg = cfg; + + drvr = cfg->pub; + + pri_ifp = drvr->iflist[0]; + p2p_ifp = drvr->iflist[1]; + + p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif = pri_ifp->vif; + + if (p2p_ifp) { + p2p_vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_P2P_DEVICE, + false); + if (IS_ERR(p2p_vif)) { + brcmf_err("could not create discovery vif\n"); + err = -ENOMEM; + goto exit; + } + + p2p_vif->ifp = p2p_ifp; + p2p_ifp->vif = p2p_vif; + p2p_vif->wdev.netdev = p2p_ifp->ndev; + p2p_ifp->ndev->ieee80211_ptr = &p2p_vif->wdev; + SET_NETDEV_DEV(p2p_ifp->ndev, wiphy_dev(cfg->wiphy)); + + p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = p2p_vif; + + brcmf_p2p_generate_bss_mac(p2p, NULL); + memcpy(p2p_ifp->mac_addr, p2p->dev_addr, ETH_ALEN); + brcmf_p2p_set_firmware(pri_ifp, p2p->dev_addr); + + /* Initialize P2P Discovery in the firmware */ + err = brcmf_fil_iovar_int_set(pri_ifp, "p2p_disc", 1); + if (err < 0) { + brcmf_err("set p2p_disc error\n"); + brcmf_free_vif(p2p_vif); + goto exit; + } + /* obtain bsscfg index for P2P discovery */ + err = brcmf_fil_iovar_int_get(pri_ifp, "p2p_dev", &bssidx); + if (err < 0) { + brcmf_err("retrieving discover bsscfg index failed\n"); + brcmf_free_vif(p2p_vif); + goto exit; + } + /* Verify that firmware uses same bssidx as driver !! */ + if (p2p_ifp->bssidx != bssidx) { + brcmf_err("Incorrect bssidx=%d, compared to p2p_ifp->bssidx=%d\n", + bssidx, p2p_ifp->bssidx); + brcmf_free_vif(p2p_vif); + goto exit; + } + + init_completion(&p2p->send_af_done); + INIT_WORK(&p2p->afx_hdl.afx_work, brcmf_p2p_afx_handler); + init_completion(&p2p->afx_hdl.act_frm_scan); + init_completion(&p2p->wait_next_af); + } +exit: + return err; +} + + +/** + * brcmf_p2p_detach() - detach P2P. + * + * @p2p: P2P specific data. + */ +void brcmf_p2p_detach(struct brcmf_p2p_info *p2p) +{ + struct brcmf_cfg80211_vif *vif; + + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (vif != NULL) { + brcmf_p2p_cancel_remain_on_channel(vif->ifp); + brcmf_p2p_deinit_discovery(p2p); + /* remove discovery interface */ + brcmf_free_vif(vif); + p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; + } + /* just set it all to zero */ + memset(p2p, 0, sizeof(*p2p)); +} + +/** + * brcmf_p2p_get_current_chanspec() - Get current operation channel. + * + * @p2p: P2P specific data. + * @chanspec: chanspec to be returned. + */ +static void brcmf_p2p_get_current_chanspec(struct brcmf_p2p_info *p2p, + u16 *chanspec) +{ + struct brcmf_if *ifp; + u8 mac_addr[ETH_ALEN]; + struct brcmu_chan ch; + struct brcmf_bss_info_le *bi; + u8 *buf; + + ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; + + if (brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSSID, mac_addr, + ETH_ALEN) == 0) { + buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); + if (buf != NULL) { + *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); + if (brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, + buf, WL_BSS_INFO_MAX) == 0) { + bi = (struct brcmf_bss_info_le *)(buf + 4); + *chanspec = le16_to_cpu(bi->chanspec); + kfree(buf); + return; + } + kfree(buf); + } + } + /* Use default channel for P2P */ + ch.chnum = BRCMF_P2P_TEMP_CHAN; + ch.bw = BRCMU_CHAN_BW_20; + p2p->cfg->d11inf.encchspec(&ch); + *chanspec = ch.chspec; +} + +/** + * Change a P2P Role. + * Parameters: + * @mac: MAC address of the BSS to change a role + * Returns 0 if success. + */ +int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, + enum brcmf_fil_p2p_if_types if_type) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_cfg80211_vif *vif; + struct brcmf_fil_p2p_if_le if_request; + s32 err; + u16 chanspec; + + brcmf_dbg(TRACE, "Enter\n"); + + vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; + if (!vif) { + brcmf_err("vif for P2PAPI_BSSCFG_PRIMARY does not exist\n"); + return -EPERM; + } + brcmf_notify_escan_complete(cfg, vif->ifp, true, true); + vif = p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif; + if (!vif) { + brcmf_err("vif for P2PAPI_BSSCFG_CONNECTION does not exist\n"); + return -EPERM; + } + brcmf_set_mpc(vif->ifp, 0); + + /* In concurrency case, STA may be already associated in a particular */ + /* channel. so retrieve the current channel of primary interface and */ + /* then start the virtual interface on that. */ + brcmf_p2p_get_current_chanspec(p2p, &chanspec); + + if_request.type = cpu_to_le16((u16)if_type); + if_request.chspec = cpu_to_le16(chanspec); + memcpy(if_request.addr, p2p->int_addr, sizeof(if_request.addr)); + + brcmf_cfg80211_arm_vif_event(cfg, vif); + err = brcmf_fil_iovar_data_set(vif->ifp, "p2p_ifupd", &if_request, + sizeof(if_request)); + if (err) { + brcmf_err("p2p_ifupd FAILED, err=%d\n", err); + brcmf_cfg80211_arm_vif_event(cfg, NULL); + return err; + } + err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_CHANGE, + msecs_to_jiffies(1500)); + brcmf_cfg80211_arm_vif_event(cfg, NULL); + if (!err) { + brcmf_err("No BRCMF_E_IF_CHANGE event received\n"); + return -EIO; + } + + err = brcmf_fil_cmd_int_set(vif->ifp, BRCMF_C_SET_SCB_TIMEOUT, + BRCMF_SCB_TIMEOUT_VALUE); + + return err; +} + +static int brcmf_p2p_request_p2p_if(struct brcmf_p2p_info *p2p, + struct brcmf_if *ifp, u8 ea[ETH_ALEN], + enum brcmf_fil_p2p_if_types iftype) +{ + struct brcmf_fil_p2p_if_le if_request; + int err; + u16 chanspec; + + /* we need a default channel */ + brcmf_p2p_get_current_chanspec(p2p, &chanspec); + + /* fill the firmware request */ + memcpy(if_request.addr, ea, ETH_ALEN); + if_request.type = cpu_to_le16((u16)iftype); + if_request.chspec = cpu_to_le16(chanspec); + + err = brcmf_fil_iovar_data_set(ifp, "p2p_ifadd", &if_request, + sizeof(if_request)); + if (err) + return err; + + return err; +} + +static int brcmf_p2p_disable_p2p_if(struct brcmf_cfg80211_vif *vif) +{ + struct brcmf_cfg80211_info *cfg = wdev_to_cfg(&vif->wdev); + struct net_device *pri_ndev = cfg_to_ndev(cfg); + struct brcmf_if *ifp = netdev_priv(pri_ndev); + u8 *addr = vif->wdev.netdev->dev_addr; + + return brcmf_fil_iovar_data_set(ifp, "p2p_ifdis", addr, ETH_ALEN); +} + +static int brcmf_p2p_release_p2p_if(struct brcmf_cfg80211_vif *vif) +{ + struct brcmf_cfg80211_info *cfg = wdev_to_cfg(&vif->wdev); + struct net_device *pri_ndev = cfg_to_ndev(cfg); + struct brcmf_if *ifp = netdev_priv(pri_ndev); + u8 *addr = vif->wdev.netdev->dev_addr; + + return brcmf_fil_iovar_data_set(ifp, "p2p_ifdel", addr, ETH_ALEN); +} + +/** + * brcmf_p2p_create_p2pdev() - create a P2P_DEVICE virtual interface. + * + * @p2p: P2P specific data. + * @wiphy: wiphy device of new interface. + * @addr: mac address for this new interface. + */ +static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p, + struct wiphy *wiphy, + u8 *addr) +{ + struct brcmf_cfg80211_vif *p2p_vif; + struct brcmf_if *p2p_ifp; + struct brcmf_if *pri_ifp; + int err; + u32 bssidx; + + if (p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif) + return ERR_PTR(-ENOSPC); + + p2p_vif = brcmf_alloc_vif(p2p->cfg, NL80211_IFTYPE_P2P_DEVICE, + false); + if (IS_ERR(p2p_vif)) { + brcmf_err("could not create discovery vif\n"); + return (struct wireless_dev *)p2p_vif; + } + + pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; + brcmf_p2p_generate_bss_mac(p2p, addr); + brcmf_p2p_set_firmware(pri_ifp, p2p->dev_addr); + + brcmf_cfg80211_arm_vif_event(p2p->cfg, p2p_vif); + + /* Initialize P2P Discovery in the firmware */ + err = brcmf_fil_iovar_int_set(pri_ifp, "p2p_disc", 1); + if (err < 0) { + brcmf_err("set p2p_disc error\n"); + brcmf_cfg80211_arm_vif_event(p2p->cfg, NULL); + goto fail; + } + + /* wait for firmware event */ + err = brcmf_cfg80211_wait_vif_event_timeout(p2p->cfg, BRCMF_E_IF_ADD, + msecs_to_jiffies(1500)); + brcmf_cfg80211_arm_vif_event(p2p->cfg, NULL); + if (!err) { + brcmf_err("timeout occurred\n"); + err = -EIO; + goto fail; + } + + /* discovery interface created */ + p2p_ifp = p2p_vif->ifp; + p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = p2p_vif; + memcpy(p2p_ifp->mac_addr, p2p->dev_addr, ETH_ALEN); + memcpy(&p2p_vif->wdev.address, p2p->dev_addr, sizeof(p2p->dev_addr)); + + /* verify bsscfg index for P2P discovery */ + err = brcmf_fil_iovar_int_get(pri_ifp, "p2p_dev", &bssidx); + if (err < 0) { + brcmf_err("retrieving discover bsscfg index failed\n"); + goto fail; + } + + WARN_ON(p2p_ifp->bssidx != bssidx); + + init_completion(&p2p->send_af_done); + INIT_WORK(&p2p->afx_hdl.afx_work, brcmf_p2p_afx_handler); + init_completion(&p2p->afx_hdl.act_frm_scan); + init_completion(&p2p->wait_next_af); + + return &p2p_vif->wdev; + +fail: + brcmf_free_vif(p2p_vif); + return ERR_PTR(err); +} + +/** + * brcmf_p2p_delete_p2pdev() - delete P2P_DEVICE virtual interface. + * + * @vif: virtual interface object to delete. + */ +static void brcmf_p2p_delete_p2pdev(struct brcmf_p2p_info *p2p, + struct brcmf_cfg80211_vif *vif) +{ + cfg80211_unregister_wdev(&vif->wdev); + p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; + brcmf_free_vif(vif); +} + +/** + * brcmf_p2p_add_vif() - create a new P2P virtual interface. + * + * @wiphy: wiphy device of new interface. + * @name: name of the new interface. + * @type: nl80211 interface type. + * @flags: not used. + * @params: contains mac address for P2P device. + */ +struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); + struct brcmf_cfg80211_vif *vif; + enum brcmf_fil_p2p_if_types iftype; + int err; + + if (brcmf_cfg80211_vif_event_armed(cfg)) + return ERR_PTR(-EBUSY); + + brcmf_dbg(INFO, "adding vif \"%s\" (type=%d)\n", name, type); + + switch (type) { + case NL80211_IFTYPE_P2P_CLIENT: + iftype = BRCMF_FIL_P2P_IF_CLIENT; + break; + case NL80211_IFTYPE_P2P_GO: + iftype = BRCMF_FIL_P2P_IF_GO; + break; + case NL80211_IFTYPE_P2P_DEVICE: + return brcmf_p2p_create_p2pdev(&cfg->p2p, wiphy, + params->macaddr); + default: + return ERR_PTR(-EOPNOTSUPP); + } + + vif = brcmf_alloc_vif(cfg, type, false); + if (IS_ERR(vif)) + return (struct wireless_dev *)vif; + brcmf_cfg80211_arm_vif_event(cfg, vif); + + err = brcmf_p2p_request_p2p_if(&cfg->p2p, ifp, cfg->p2p.int_addr, + iftype); + if (err) { + brcmf_cfg80211_arm_vif_event(cfg, NULL); + goto fail; + } + + /* wait for firmware event */ + err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_ADD, + msecs_to_jiffies(1500)); + brcmf_cfg80211_arm_vif_event(cfg, NULL); + if (!err) { + brcmf_err("timeout occurred\n"); + err = -EIO; + goto fail; + } + + /* interface created in firmware */ + ifp = vif->ifp; + if (!ifp) { + brcmf_err("no if pointer provided\n"); + err = -ENOENT; + goto fail; + } + + strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1); + err = brcmf_net_attach(ifp, true); + if (err) { + brcmf_err("Registering netdevice failed\n"); + goto fail; + } + + cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = vif; + /* Disable firmware roaming for P2P interface */ + brcmf_fil_iovar_int_set(ifp, "roam_off", 1); + if (iftype == BRCMF_FIL_P2P_IF_GO) { + /* set station timeout for p2p */ + brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCB_TIMEOUT, + BRCMF_SCB_TIMEOUT_VALUE); + } + return &ifp->vif->wdev; + +fail: + brcmf_free_vif(vif); + return ERR_PTR(err); +} + +/** + * brcmf_p2p_del_vif() - delete a P2P virtual interface. + * + * @wiphy: wiphy device of interface. + * @wdev: wireless device of interface. + */ +int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) +{ + struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_cfg80211_vif *vif; + unsigned long jiffie_timeout = msecs_to_jiffies(1500); + bool wait_for_disable = false; + int err; + + brcmf_dbg(TRACE, "delete P2P vif\n"); + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + + switch (vif->wdev.iftype) { + case NL80211_IFTYPE_P2P_CLIENT: + if (test_bit(BRCMF_VIF_STATUS_DISCONNECTING, &vif->sme_state)) + wait_for_disable = true; + break; + + case NL80211_IFTYPE_P2P_GO: + if (!brcmf_p2p_disable_p2p_if(vif)) + wait_for_disable = true; + break; + + case NL80211_IFTYPE_P2P_DEVICE: + brcmf_p2p_delete_p2pdev(p2p, vif); + return 0; + default: + return -ENOTSUPP; + break; + } + + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + brcmf_dbg(INFO, "P2P: GO_NEG_PHASE status cleared\n"); + + if (wait_for_disable) + wait_for_completion_timeout(&cfg->vif_disabled, + msecs_to_jiffies(500)); + + brcmf_vif_clear_mgmt_ies(vif); + + brcmf_cfg80211_arm_vif_event(cfg, vif); + err = brcmf_p2p_release_p2p_if(vif); + if (!err) { + /* wait for firmware event */ + err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_DEL, + jiffie_timeout); + if (!err) + err = -EIO; + else + err = 0; + } + brcmf_cfg80211_arm_vif_event(cfg, NULL); + p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL; + + return err; +} + +int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_cfg80211_vif *vif; + int err; + + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + mutex_lock(&cfg->usr_sync); + err = brcmf_p2p_enable_discovery(p2p); + if (!err) + set_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state); + mutex_unlock(&cfg->usr_sync); + return err; +} + +void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_cfg80211_vif *vif; + + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + mutex_lock(&cfg->usr_sync); + (void)brcmf_p2p_deinit_discovery(p2p); + brcmf_abort_scanning(cfg); + clear_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state); + mutex_unlock(&cfg->usr_sync); +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.h b/drivers/net/wireless/brcm80211/brcmfmac/p2p.h new file mode 100644 index 00000000000..6821b26224b --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.h @@ -0,0 +1,183 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef WL_CFGP2P_H_ +#define WL_CFGP2P_H_ + +#include <net/cfg80211.h> + +struct brcmf_cfg80211_info; + +/** + * enum p2p_bss_type - different type of BSS configurations. + * + * @P2PAPI_BSSCFG_PRIMARY: maps to driver's primary bsscfg. + * @P2PAPI_BSSCFG_DEVICE: maps to driver's P2P device discovery bsscfg. + * @P2PAPI_BSSCFG_CONNECTION: maps to driver's P2P connection bsscfg. + * @P2PAPI_BSSCFG_MAX: used for range checking. + */ +enum p2p_bss_type { + P2PAPI_BSSCFG_PRIMARY, /* maps to driver's primary bsscfg */ + P2PAPI_BSSCFG_DEVICE, /* maps to driver's P2P device discovery bsscfg */ + P2PAPI_BSSCFG_CONNECTION, /* maps to driver's P2P connection bsscfg */ + P2PAPI_BSSCFG_MAX +}; + +/** + * struct p2p_bss - peer-to-peer bss related information. + * + * @vif: virtual interface of this P2P bss. + * @private_data: TBD + */ +struct p2p_bss { + struct brcmf_cfg80211_vif *vif; + void *private_data; +}; + +/** + * enum brcmf_p2p_status - P2P specific dongle status. + * + * @BRCMF_P2P_STATUS_IF_ADD: peer-to-peer vif add sent to dongle. + * @BRCMF_P2P_STATUS_IF_DEL: NOT-USED? + * @BRCMF_P2P_STATUS_IF_DELETING: peer-to-peer vif delete sent to dongle. + * @BRCMF_P2P_STATUS_IF_CHANGING: peer-to-peer vif change sent to dongle. + * @BRCMF_P2P_STATUS_IF_CHANGED: peer-to-peer vif change completed on dongle. + * @BRCMF_P2P_STATUS_ACTION_TX_COMPLETED: action frame tx completed. + * @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked. + * @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing. + * @BRCMF_P2P_STATUS_DISCOVER_LISTEN: P2P listen, remaining on channel. + * @BRCMF_P2P_STATUS_SENDING_ACT_FRAME: In the process of sending action frame. + * @BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN: extra listen time for af tx. + * @BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME: waiting for action frame response. + * @BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL: search channel for AF active. + */ +enum brcmf_p2p_status { + BRCMF_P2P_STATUS_ENABLED, + BRCMF_P2P_STATUS_IF_ADD, + BRCMF_P2P_STATUS_IF_DEL, + BRCMF_P2P_STATUS_IF_DELETING, + BRCMF_P2P_STATUS_IF_CHANGING, + BRCMF_P2P_STATUS_IF_CHANGED, + BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, + BRCMF_P2P_STATUS_ACTION_TX_NOACK, + BRCMF_P2P_STATUS_GO_NEG_PHASE, + BRCMF_P2P_STATUS_DISCOVER_LISTEN, + BRCMF_P2P_STATUS_SENDING_ACT_FRAME, + BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL +}; + +/** + * struct afx_hdl - action frame off channel storage. + * + * @afx_work: worker thread for searching channel + * @act_frm_scan: thread synchronizing struct. + * @is_active: channel searching active. + * @peer_chan: current channel. + * @is_listen: sets mode for afx worker. + * @my_listen_chan: this peers listen channel. + * @peer_listen_chan: remote peers listen channel. + * @tx_dst_addr: mac address where tx af should be sent to. + */ +struct afx_hdl { + struct work_struct afx_work; + struct completion act_frm_scan; + bool is_active; + s32 peer_chan; + bool is_listen; + u16 my_listen_chan; + u16 peer_listen_chan; + u8 tx_dst_addr[ETH_ALEN]; +}; + +/** + * struct brcmf_p2p_info - p2p specific driver information. + * + * @cfg: driver private data for cfg80211 interface. + * @status: status of P2P (see enum brcmf_p2p_status). + * @dev_addr: P2P device address. + * @int_addr: P2P interface address. + * @bss_idx: informate for P2P bss types. + * @listen_timer: timer for @WL_P2P_DISC_ST_LISTEN discover state. + * @ssid: ssid for P2P GO. + * @listen_channel: channel for @WL_P2P_DISC_ST_LISTEN discover state. + * @remain_on_channel: contains copy of struct used by cfg80211. + * @remain_on_channel_cookie: cookie counter for remain on channel cmd + * @next_af_subtype: expected action frame subtype. + * @send_af_done: indication that action frame tx is complete. + * @afx_hdl: action frame search handler info. + * @af_sent_channel: channel action frame is sent. + * @af_tx_sent_jiffies: jiffies time when af tx was transmitted. + * @wait_next_af: thread synchronizing struct. + * @gon_req_action: about to send go negotiation requets frame. + * @block_gon_req_tx: drop tx go negotiation requets frame. + */ +struct brcmf_p2p_info { + struct brcmf_cfg80211_info *cfg; + unsigned long status; + u8 dev_addr[ETH_ALEN]; + u8 int_addr[ETH_ALEN]; + struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX]; + struct timer_list listen_timer; + struct brcmf_ssid ssid; + u8 listen_channel; + struct ieee80211_channel remain_on_channel; + u32 remain_on_channel_cookie; + u8 next_af_subtype; + struct completion send_af_done; + struct afx_hdl afx_hdl; + u32 af_sent_channel; + unsigned long af_tx_sent_jiffies; + struct completion wait_next_af; + bool gon_req_action; + bool block_gon_req_tx; +}; + +s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg); +void brcmf_p2p_detach(struct brcmf_p2p_info *p2p); +struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, + enum nl80211_iftype type, u32 *flags, + struct vif_params *params); +int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev); +int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, + enum brcmf_fil_p2p_if_types if_type); +int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev); +void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev); +int brcmf_p2p_scan_prep(struct wiphy *wiphy, + struct cfg80211_scan_request *request, + struct brcmf_cfg80211_vif *vif); +int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, + struct ieee80211_channel *channel, + unsigned int duration, u64 *cookie); +int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data); +void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp); +int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data); +int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data); +bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, + struct net_device *ndev, + struct brcmf_fil_af_params_le *af_params); +bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, + struct brcmf_bss_info_le *bi); +s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data); +#endif /* WL_CFGP2P_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/proto.c b/drivers/net/wireless/brcm80211/brcmfmac/proto.c new file mode 100644 index 00000000000..b6b46418494 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/proto.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + + + #include <linux/types.h> +#include <linux/slab.h> +#include <linux/netdevice.h> + +#include <brcmu_wifi.h> +#include "dhd.h" +#include "dhd_dbg.h" +#include "proto.h" +#include "bcdc.h" + + +int brcmf_proto_attach(struct brcmf_pub *drvr) +{ + struct brcmf_proto *proto; + + proto = kzalloc(sizeof(*proto), GFP_ATOMIC); + if (!proto) + goto fail; + + drvr->proto = proto; + /* BCDC protocol is only protocol supported for the moment */ + if (brcmf_proto_bcdc_attach(drvr)) + goto fail; + + if ((proto->txdata == NULL) || (proto->hdrpull == NULL) || + (proto->query_dcmd == NULL) || (proto->set_dcmd == NULL)) { + brcmf_err("Not all proto handlers have been installed\n"); + goto fail; + } + return 0; + +fail: + kfree(proto); + drvr->proto = NULL; + return -ENOMEM; +} + +void brcmf_proto_detach(struct brcmf_pub *drvr) +{ + if (drvr->proto) { + brcmf_proto_bcdc_detach(drvr); + kfree(drvr->proto); + drvr->proto = NULL; + } +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/proto.h b/drivers/net/wireless/brcm80211/brcmfmac/proto.h new file mode 100644 index 00000000000..482fb0ba4a3 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/proto.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef BRCMFMAC_PROTO_H +#define BRCMFMAC_PROTO_H + +struct brcmf_proto { + int (*hdrpull)(struct brcmf_pub *drvr, bool do_fws, u8 *ifidx, + struct sk_buff *skb); + int (*query_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, + void *buf, uint len); + int (*set_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf, + uint len); + int (*txdata)(struct brcmf_pub *drvr, int ifidx, u8 offset, + struct sk_buff *skb); + void *pd; +}; + + +int brcmf_proto_attach(struct brcmf_pub *drvr); +void brcmf_proto_detach(struct brcmf_pub *drvr); + +static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws, + u8 *ifidx, struct sk_buff *skb) +{ + return drvr->proto->hdrpull(drvr, do_fws, ifidx, skb); +} +static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx, + uint cmd, void *buf, uint len) +{ + return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len); +} +static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx, + uint cmd, void *buf, uint len) +{ + return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len); +} +static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx, + u8 offset, struct sk_buff *skb) +{ + return drvr->proto->txdata(drvr, ifidx, offset, skb); +} + + +#endif /* BRCMFMAC_PROTO_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c deleted file mode 100644 index 9434440bbc6..00000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c +++ /dev/null @@ -1,654 +0,0 @@ -/* - * Copyright (c) 2011 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -/* ***** SDIO interface chip backplane handle functions ***** */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/types.h> -#include <linux/netdevice.h> -#include <linux/mmc/card.h> -#include <linux/ssb/ssb_regs.h> -#include <linux/bcma/bcma.h> - -#include <chipcommon.h> -#include <brcm_hw_ids.h> -#include <brcmu_wifi.h> -#include <brcmu_utils.h> -#include <soc.h> -#include "dhd_dbg.h" -#include "sdio_host.h" -#include "sdio_chip.h" - -/* chip core base & ramsize */ -/* bcm4329 */ -/* SDIO device core, ID 0x829 */ -#define BCM4329_CORE_BUS_BASE 0x18011000 -/* internal memory core, ID 0x80e */ -#define BCM4329_CORE_SOCRAM_BASE 0x18003000 -/* ARM Cortex M3 core, ID 0x82a */ -#define BCM4329_CORE_ARM_BASE 0x18002000 -#define BCM4329_RAMSIZE 0x48000 - -#define SBCOREREV(sbidh) \ - ((((sbidh) & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT) | \ - ((sbidh) & SSB_IDHIGH_RCLO)) - -/* SOC Interconnect types (aka chip types) */ -#define SOCI_SB 0 -#define SOCI_AI 1 - -/* EROM CompIdentB */ -#define CIB_REV_MASK 0xff000000 -#define CIB_REV_SHIFT 24 - -#define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu)) -/* SDIO Pad drive strength to select value mappings */ -struct sdiod_drive_str { - u8 strength; /* Pad Drive Strength in mA */ - u8 sel; /* Chip-specific select value */ -}; -/* SDIO Drive Strength to sel value table for PMU Rev 11 (1.8V) */ -static const struct sdiod_drive_str sdiod_drvstr_tab1_1v8[] = { - {32, 0x6}, - {26, 0x7}, - {22, 0x4}, - {16, 0x5}, - {12, 0x2}, - {8, 0x3}, - {4, 0x0}, - {0, 0x1} -}; - -u8 -brcmf_sdio_chip_getinfidx(struct chip_info *ci, u16 coreid) -{ - u8 idx; - - for (idx = 0; idx < BRCMF_MAX_CORENUM; idx++) - if (coreid == ci->c_inf[idx].id) - return idx; - - return BRCMF_MAX_CORENUM; -} - -static u32 -brcmf_sdio_sb_corerev(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) -{ - u32 regdata; - u8 idx; - - idx = brcmf_sdio_chip_getinfidx(ci, coreid); - - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(ci->c_inf[idx].base, sbidhigh), - NULL); - return SBCOREREV(regdata); -} - -static u32 -brcmf_sdio_ai_corerev(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) -{ - u8 idx; - - idx = brcmf_sdio_chip_getinfidx(ci, coreid); - - return (ci->c_inf[idx].cib & CIB_REV_MASK) >> CIB_REV_SHIFT; -} - -static bool -brcmf_sdio_sb_iscoreup(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) -{ - u32 regdata; - u8 idx; - - idx = brcmf_sdio_chip_getinfidx(ci, coreid); - - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(ci->c_inf[idx].base, sbtmstatelow), - NULL); - regdata &= (SSB_TMSLOW_RESET | SSB_TMSLOW_REJECT | - SSB_IMSTATE_REJECT | SSB_TMSLOW_CLOCK); - return (SSB_TMSLOW_CLOCK == regdata); -} - -static bool -brcmf_sdio_ai_iscoreup(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) -{ - u32 regdata; - u8 idx; - bool ret; - - idx = brcmf_sdio_chip_getinfidx(ci, coreid); - - regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - NULL); - ret = (regdata & (BCMA_IOCTL_FGC | BCMA_IOCTL_CLK)) == BCMA_IOCTL_CLK; - - regdata = brcmf_sdio_regrl(sdiodev, - ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, - NULL); - ret = ret && ((regdata & BCMA_RESET_CTL_RESET) == 0); - - return ret; -} - -static void -brcmf_sdio_sb_coredisable(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) -{ - u32 regdata, base; - u8 idx; - - idx = brcmf_sdio_chip_getinfidx(ci, coreid); - base = ci->c_inf[idx].base; - - regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbtmstatelow), NULL); - if (regdata & SSB_TMSLOW_RESET) - return; - - regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbtmstatelow), NULL); - if ((regdata & SSB_TMSLOW_CLOCK) != 0) { - /* - * set target reject and spin until busy is clear - * (preserve core-specific bits) - */ - regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbtmstatelow), - NULL); - brcmf_sdio_regwl(sdiodev, CORE_SB(base, sbtmstatelow), - regdata | SSB_TMSLOW_REJECT, NULL); - - regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbtmstatelow), - NULL); - udelay(1); - SPINWAIT((brcmf_sdio_regrl(sdiodev, - CORE_SB(base, sbtmstatehigh), - NULL) & - SSB_TMSHIGH_BUSY), 100000); - - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(base, sbtmstatehigh), - NULL); - if (regdata & SSB_TMSHIGH_BUSY) - brcmf_dbg(ERROR, "core state still busy\n"); - - regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbidlow), - NULL); - if (regdata & SSB_IDLOW_INITIATOR) { - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(base, sbimstate), - NULL); - regdata |= SSB_IMSTATE_REJECT; - brcmf_sdio_regwl(sdiodev, CORE_SB(base, sbimstate), - regdata, NULL); - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(base, sbimstate), - NULL); - udelay(1); - SPINWAIT((brcmf_sdio_regrl(sdiodev, - CORE_SB(base, sbimstate), - NULL) & - SSB_IMSTATE_BUSY), 100000); - } - - /* set reset and reject while enabling the clocks */ - regdata = SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | - SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET; - brcmf_sdio_regwl(sdiodev, CORE_SB(base, sbtmstatelow), - regdata, NULL); - regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbtmstatelow), - NULL); - udelay(10); - - /* clear the initiator reject bit */ - regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbidlow), - NULL); - if (regdata & SSB_IDLOW_INITIATOR) { - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(base, sbimstate), - NULL); - regdata &= ~SSB_IMSTATE_REJECT; - brcmf_sdio_regwl(sdiodev, CORE_SB(base, sbimstate), - regdata, NULL); - } - } - - /* leave reset and reject asserted */ - brcmf_sdio_regwl(sdiodev, CORE_SB(base, sbtmstatelow), - (SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET), NULL); - udelay(1); -} - -static void -brcmf_sdio_ai_coredisable(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) -{ - u8 idx; - u32 regdata; - - idx = brcmf_sdio_chip_getinfidx(ci, coreid); - - /* if core is already in reset, just return */ - regdata = brcmf_sdio_regrl(sdiodev, - ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, - NULL); - if ((regdata & BCMA_RESET_CTL_RESET) != 0) - return; - - brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, 0, NULL); - regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - NULL); - udelay(10); - - brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, - BCMA_RESET_CTL_RESET, NULL); - udelay(1); -} - -static void -brcmf_sdio_sb_resetcore(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) -{ - u32 regdata; - u8 idx; - - idx = brcmf_sdio_chip_getinfidx(ci, coreid); - - /* - * Must do the disable sequence first to work for - * arbitrary current core state. - */ - brcmf_sdio_sb_coredisable(sdiodev, ci, coreid); - - /* - * Now do the initialization sequence. - * set reset while enabling the clock and - * forcing them on throughout the core - */ - brcmf_sdio_regwl(sdiodev, - CORE_SB(ci->c_inf[idx].base, sbtmstatelow), - SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | SSB_TMSLOW_RESET, - NULL); - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(ci->c_inf[idx].base, sbtmstatelow), - NULL); - udelay(1); - - /* clear any serror */ - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(ci->c_inf[idx].base, sbtmstatehigh), - NULL); - if (regdata & SSB_TMSHIGH_SERR) - brcmf_sdio_regwl(sdiodev, - CORE_SB(ci->c_inf[idx].base, sbtmstatehigh), - 0, NULL); - - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(ci->c_inf[idx].base, sbimstate), - NULL); - if (regdata & (SSB_IMSTATE_IBE | SSB_IMSTATE_TO)) - brcmf_sdio_regwl(sdiodev, - CORE_SB(ci->c_inf[idx].base, sbimstate), - regdata & ~(SSB_IMSTATE_IBE | SSB_IMSTATE_TO), - NULL); - - /* clear reset and allow it to propagate throughout the core */ - brcmf_sdio_regwl(sdiodev, CORE_SB(ci->c_inf[idx].base, sbtmstatelow), - SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK, NULL); - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(ci->c_inf[idx].base, sbtmstatelow), - NULL); - udelay(1); - - /* leave clock enabled */ - brcmf_sdio_regwl(sdiodev, CORE_SB(ci->c_inf[idx].base, sbtmstatelow), - SSB_TMSLOW_CLOCK, NULL); - regdata = brcmf_sdio_regrl(sdiodev, - CORE_SB(ci->c_inf[idx].base, sbtmstatelow), - NULL); - udelay(1); -} - -static void -brcmf_sdio_ai_resetcore(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) -{ - u8 idx; - u32 regdata; - - idx = brcmf_sdio_chip_getinfidx(ci, coreid); - - /* must disable first to work for arbitrary current core state */ - brcmf_sdio_ai_coredisable(sdiodev, ci, coreid); - - /* now do initialization sequence */ - brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - BCMA_IOCTL_FGC | BCMA_IOCTL_CLK, NULL); - regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - NULL); - brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, - 0, NULL); - udelay(1); - - brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - BCMA_IOCTL_CLK, NULL); - regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - NULL); - udelay(1); -} - -static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u32 regs) -{ - u32 regdata; - - /* - * Get CC core rev - * Chipid is assume to be at offset 0 from regs arg - * For different chiptypes or old sdio hosts w/o chipcommon, - * other ways of recognition should be added here. - */ - ci->c_inf[0].id = BCMA_CORE_CHIPCOMMON; - ci->c_inf[0].base = regs; - regdata = brcmf_sdio_regrl(sdiodev, - CORE_CC_REG(ci->c_inf[0].base, chipid), - NULL); - ci->chip = regdata & CID_ID_MASK; - ci->chiprev = (regdata & CID_REV_MASK) >> CID_REV_SHIFT; - ci->socitype = (regdata & CID_TYPE_MASK) >> CID_TYPE_SHIFT; - - brcmf_dbg(INFO, "chipid=0x%x chiprev=%d\n", ci->chip, ci->chiprev); - - /* Address of cores for new chips should be added here */ - switch (ci->chip) { - case BCM43241_CHIP_ID: - ci->c_inf[0].wrapbase = 0x18100000; - ci->c_inf[0].cib = 0x2a084411; - ci->c_inf[1].id = BCMA_CORE_SDIO_DEV; - ci->c_inf[1].base = 0x18002000; - ci->c_inf[1].wrapbase = 0x18102000; - ci->c_inf[1].cib = 0x0e004211; - ci->c_inf[2].id = BCMA_CORE_INTERNAL_MEM; - ci->c_inf[2].base = 0x18004000; - ci->c_inf[2].wrapbase = 0x18104000; - ci->c_inf[2].cib = 0x14080401; - ci->c_inf[3].id = BCMA_CORE_ARM_CM3; - ci->c_inf[3].base = 0x18003000; - ci->c_inf[3].wrapbase = 0x18103000; - ci->c_inf[3].cib = 0x07004211; - ci->ramsize = 0x90000; - break; - case BCM4329_CHIP_ID: - ci->c_inf[1].id = BCMA_CORE_SDIO_DEV; - ci->c_inf[1].base = BCM4329_CORE_BUS_BASE; - ci->c_inf[2].id = BCMA_CORE_INTERNAL_MEM; - ci->c_inf[2].base = BCM4329_CORE_SOCRAM_BASE; - ci->c_inf[3].id = BCMA_CORE_ARM_CM3; - ci->c_inf[3].base = BCM4329_CORE_ARM_BASE; - ci->ramsize = BCM4329_RAMSIZE; - break; - case BCM4330_CHIP_ID: - ci->c_inf[0].wrapbase = 0x18100000; - ci->c_inf[0].cib = 0x27004211; - ci->c_inf[1].id = BCMA_CORE_SDIO_DEV; - ci->c_inf[1].base = 0x18002000; - ci->c_inf[1].wrapbase = 0x18102000; - ci->c_inf[1].cib = 0x07004211; - ci->c_inf[2].id = BCMA_CORE_INTERNAL_MEM; - ci->c_inf[2].base = 0x18004000; - ci->c_inf[2].wrapbase = 0x18104000; - ci->c_inf[2].cib = 0x0d080401; - ci->c_inf[3].id = BCMA_CORE_ARM_CM3; - ci->c_inf[3].base = 0x18003000; - ci->c_inf[3].wrapbase = 0x18103000; - ci->c_inf[3].cib = 0x03004211; - ci->ramsize = 0x48000; - break; - case BCM4334_CHIP_ID: - ci->c_inf[0].wrapbase = 0x18100000; - ci->c_inf[0].cib = 0x29004211; - ci->c_inf[1].id = BCMA_CORE_SDIO_DEV; - ci->c_inf[1].base = 0x18002000; - ci->c_inf[1].wrapbase = 0x18102000; - ci->c_inf[1].cib = 0x0d004211; - ci->c_inf[2].id = BCMA_CORE_INTERNAL_MEM; - ci->c_inf[2].base = 0x18004000; - ci->c_inf[2].wrapbase = 0x18104000; - ci->c_inf[2].cib = 0x13080401; - ci->c_inf[3].id = BCMA_CORE_ARM_CM3; - ci->c_inf[3].base = 0x18003000; - ci->c_inf[3].wrapbase = 0x18103000; - ci->c_inf[3].cib = 0x07004211; - ci->ramsize = 0x80000; - break; - default: - brcmf_dbg(ERROR, "chipid 0x%x is not supported\n", ci->chip); - return -ENODEV; - } - - switch (ci->socitype) { - case SOCI_SB: - ci->iscoreup = brcmf_sdio_sb_iscoreup; - ci->corerev = brcmf_sdio_sb_corerev; - ci->coredisable = brcmf_sdio_sb_coredisable; - ci->resetcore = brcmf_sdio_sb_resetcore; - break; - case SOCI_AI: - ci->iscoreup = brcmf_sdio_ai_iscoreup; - ci->corerev = brcmf_sdio_ai_corerev; - ci->coredisable = brcmf_sdio_ai_coredisable; - ci->resetcore = brcmf_sdio_ai_resetcore; - break; - default: - brcmf_dbg(ERROR, "socitype %u not supported\n", ci->socitype); - return -ENODEV; - } - - return 0; -} - -static int -brcmf_sdio_chip_buscoreprep(struct brcmf_sdio_dev *sdiodev) -{ - int err = 0; - u8 clkval, clkset; - - /* Try forcing SDIO core to do ALPAvail request only */ - clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ; - brcmf_sdio_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err); - if (err) { - brcmf_dbg(ERROR, "error writing for HT off\n"); - return err; - } - - /* If register supported, wait for ALPAvail and then force ALP */ - /* This may take up to 15 milliseconds */ - clkval = brcmf_sdio_regrb(sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, NULL); - - if ((clkval & ~SBSDIO_AVBITS) != clkset) { - brcmf_dbg(ERROR, "ChipClkCSR access: wrote 0x%02x read 0x%02x\n", - clkset, clkval); - return -EACCES; - } - - SPINWAIT(((clkval = brcmf_sdio_regrb(sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, NULL)), - !SBSDIO_ALPAV(clkval)), - PMU_MAX_TRANSITION_DLY); - if (!SBSDIO_ALPAV(clkval)) { - brcmf_dbg(ERROR, "timeout on ALPAV wait, clkval 0x%02x\n", - clkval); - return -EBUSY; - } - - clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_FORCE_ALP; - brcmf_sdio_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err); - udelay(65); - - /* Also, disable the extra SDIO pull-ups */ - brcmf_sdio_regwb(sdiodev, SBSDIO_FUNC1_SDIOPULLUP, 0, NULL); - - return 0; -} - -static void -brcmf_sdio_chip_buscoresetup(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci) -{ - u32 base = ci->c_inf[0].base; - - /* get chipcommon rev */ - ci->c_inf[0].rev = ci->corerev(sdiodev, ci, ci->c_inf[0].id); - - /* get chipcommon capabilites */ - ci->c_inf[0].caps = brcmf_sdio_regrl(sdiodev, - CORE_CC_REG(base, capabilities), - NULL); - - /* get pmu caps & rev */ - if (ci->c_inf[0].caps & CC_CAP_PMU) { - ci->pmucaps = - brcmf_sdio_regrl(sdiodev, - CORE_CC_REG(base, pmucapabilities), - NULL); - ci->pmurev = ci->pmucaps & PCAP_REV_MASK; - } - - ci->c_inf[1].rev = ci->corerev(sdiodev, ci, ci->c_inf[1].id); - - brcmf_dbg(INFO, "ccrev=%d, pmurev=%d, buscore rev/type=%d/0x%x\n", - ci->c_inf[0].rev, ci->pmurev, - ci->c_inf[1].rev, ci->c_inf[1].id); - - /* - * Make sure any on-chip ARM is off (in case strapping is wrong), - * or downloaded code was already running. - */ - ci->coredisable(sdiodev, ci, BCMA_CORE_ARM_CM3); -} - -int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev, - struct chip_info **ci_ptr, u32 regs) -{ - int ret; - struct chip_info *ci; - - brcmf_dbg(TRACE, "Enter\n"); - - /* alloc chip_info_t */ - ci = kzalloc(sizeof(struct chip_info), GFP_ATOMIC); - if (!ci) - return -ENOMEM; - - ret = brcmf_sdio_chip_buscoreprep(sdiodev); - if (ret != 0) - goto err; - - ret = brcmf_sdio_chip_recognition(sdiodev, ci, regs); - if (ret != 0) - goto err; - - brcmf_sdio_chip_buscoresetup(sdiodev, ci); - - brcmf_sdio_regwl(sdiodev, CORE_CC_REG(ci->c_inf[0].base, gpiopullup), - 0, NULL); - brcmf_sdio_regwl(sdiodev, CORE_CC_REG(ci->c_inf[0].base, gpiopulldown), - 0, NULL); - - *ci_ptr = ci; - return 0; - -err: - kfree(ci); - return ret; -} - -void -brcmf_sdio_chip_detach(struct chip_info **ci_ptr) -{ - brcmf_dbg(TRACE, "Enter\n"); - - kfree(*ci_ptr); - *ci_ptr = NULL; -} - -static char *brcmf_sdio_chip_name(uint chipid, char *buf, uint len) -{ - const char *fmt; - - fmt = ((chipid > 0xa000) || (chipid < 0x4000)) ? "%d" : "%x"; - snprintf(buf, len, fmt, chipid); - return buf; -} - -void -brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u32 drivestrength) -{ - struct sdiod_drive_str *str_tab = NULL; - u32 str_mask = 0; - u32 str_shift = 0; - char chn[8]; - u32 base = ci->c_inf[0].base; - - if (!(ci->c_inf[0].caps & CC_CAP_PMU)) - return; - - switch (SDIOD_DRVSTR_KEY(ci->chip, ci->pmurev)) { - case SDIOD_DRVSTR_KEY(BCM4330_CHIP_ID, 12): - str_tab = (struct sdiod_drive_str *)&sdiod_drvstr_tab1_1v8; - str_mask = 0x00003800; - str_shift = 11; - break; - default: - brcmf_dbg(ERROR, "No SDIO Drive strength init done for chip %s rev %d pmurev %d\n", - brcmf_sdio_chip_name(ci->chip, chn, 8), - ci->chiprev, ci->pmurev); - break; - } - - if (str_tab != NULL) { - u32 drivestrength_sel = 0; - u32 cc_data_temp; - int i; - - for (i = 0; str_tab[i].strength != 0; i++) { - if (drivestrength >= str_tab[i].strength) { - drivestrength_sel = str_tab[i].sel; - break; - } - } - - brcmf_sdio_regwl(sdiodev, CORE_CC_REG(base, chipcontrol_addr), - 1, NULL); - cc_data_temp = - brcmf_sdio_regrl(sdiodev, - CORE_CC_REG(base, chipcontrol_addr), - NULL); - cc_data_temp &= ~str_mask; - drivestrength_sel <<= str_shift; - cc_data_temp |= drivestrength_sel; - brcmf_sdio_regwl(sdiodev, CORE_CC_REG(base, chipcontrol_addr), - cc_data_temp, NULL); - - brcmf_dbg(INFO, "SDIO: %dmA drive strength selected, set to 0x%08x\n", - drivestrength, cc_data_temp); - } -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h deleted file mode 100644 index ce974d76bd9..00000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Copyright (c) 2011 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef _BRCMFMAC_SDIO_CHIP_H_ -#define _BRCMFMAC_SDIO_CHIP_H_ - -/* - * Core reg address translation. - * Both macro's returns a 32 bits byte address on the backplane bus. - */ -#define CORE_CC_REG(base, field) \ - (base + offsetof(struct chipcregs, field)) -#define CORE_BUS_REG(base, field) \ - (base + offsetof(struct sdpcmd_regs, field)) -#define CORE_SB(base, field) \ - (base + SBCONFIGOFF + offsetof(struct sbconfig, field)) - -/* SDIO function 1 register CHIPCLKCSR */ -/* Force ALP request to backplane */ -#define SBSDIO_FORCE_ALP 0x01 -/* Force HT request to backplane */ -#define SBSDIO_FORCE_HT 0x02 -/* Force ILP request to backplane */ -#define SBSDIO_FORCE_ILP 0x04 -/* Make ALP ready (power up xtal) */ -#define SBSDIO_ALP_AVAIL_REQ 0x08 -/* Make HT ready (power up PLL) */ -#define SBSDIO_HT_AVAIL_REQ 0x10 -/* Squelch clock requests from HW */ -#define SBSDIO_FORCE_HW_CLKREQ_OFF 0x20 -/* Status: ALP is ready */ -#define SBSDIO_ALP_AVAIL 0x40 -/* Status: HT is ready */ -#define SBSDIO_HT_AVAIL 0x80 -#define SBSDIO_AVBITS (SBSDIO_HT_AVAIL | SBSDIO_ALP_AVAIL) -#define SBSDIO_ALPAV(regval) ((regval) & SBSDIO_AVBITS) -#define SBSDIO_HTAV(regval) (((regval) & SBSDIO_AVBITS) == SBSDIO_AVBITS) -#define SBSDIO_ALPONLY(regval) (SBSDIO_ALPAV(regval) && !SBSDIO_HTAV(regval)) -#define SBSDIO_CLKAV(regval, alponly) \ - (SBSDIO_ALPAV(regval) && (alponly ? 1 : SBSDIO_HTAV(regval))) - -#define BRCMF_MAX_CORENUM 6 - -struct chip_core_info { - u16 id; - u16 rev; - u32 base; - u32 wrapbase; - u32 caps; - u32 cib; -}; - -struct chip_info { - u32 chip; - u32 chiprev; - u32 socitype; - /* core info */ - /* always put chipcommon core at 0, bus core at 1 */ - struct chip_core_info c_inf[BRCMF_MAX_CORENUM]; - u32 pmurev; - u32 pmucaps; - u32 ramsize; - - bool (*iscoreup)(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, - u16 coreid); - u32 (*corerev)(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, - u16 coreid); - void (*coredisable)(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid); - void (*resetcore)(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid); -}; - -struct sbconfig { - u32 PAD[2]; - u32 sbipsflag; /* initiator port ocp slave flag */ - u32 PAD[3]; - u32 sbtpsflag; /* target port ocp slave flag */ - u32 PAD[11]; - u32 sbtmerrloga; /* (sonics >= 2.3) */ - u32 PAD; - u32 sbtmerrlog; /* (sonics >= 2.3) */ - u32 PAD[3]; - u32 sbadmatch3; /* address match3 */ - u32 PAD; - u32 sbadmatch2; /* address match2 */ - u32 PAD; - u32 sbadmatch1; /* address match1 */ - u32 PAD[7]; - u32 sbimstate; /* initiator agent state */ - u32 sbintvec; /* interrupt mask */ - u32 sbtmstatelow; /* target state */ - u32 sbtmstatehigh; /* target state */ - u32 sbbwa0; /* bandwidth allocation table0 */ - u32 PAD; - u32 sbimconfiglow; /* initiator configuration */ - u32 sbimconfighigh; /* initiator configuration */ - u32 sbadmatch0; /* address match0 */ - u32 PAD; - u32 sbtmconfiglow; /* target configuration */ - u32 sbtmconfighigh; /* target configuration */ - u32 sbbconfig; /* broadcast configuration */ - u32 PAD; - u32 sbbstate; /* broadcast state */ - u32 PAD[3]; - u32 sbactcnfg; /* activate configuration */ - u32 PAD[3]; - u32 sbflagst; /* current sbflags */ - u32 PAD[3]; - u32 sbidlow; /* identification */ - u32 sbidhigh; /* identification */ -}; - -extern int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev, - struct chip_info **ci_ptr, u32 regs); -extern void brcmf_sdio_chip_detach(struct chip_info **ci_ptr); -extern void brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, - u32 drivestrength); -extern u8 brcmf_sdio_chip_getinfidx(struct chip_info *ci, u16 coreid); - - -#endif /* _BRCMFMAC_SDIO_CHIP_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h index 0d30afd8c67..3deab7959a0 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h @@ -48,7 +48,13 @@ #define SBSDIO_NUM_FUNCTION 3 /* function 0 vendor specific CCCR registers */ -#define SDIO_CCCR_BRCM_SEPINT 0xf2 +#define SDIO_CCCR_BRCM_CARDCAP 0xf0 +#define SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT 0x02 +#define SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT 0x04 +#define SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC 0x08 +#define SDIO_CCCR_BRCM_CARDCTRL 0xf1 +#define SDIO_CCCR_BRCM_CARDCTRL_WLANRESET 0x02 +#define SDIO_CCCR_BRCM_SEPINT 0xf2 #define SDIO_SEPINT_MASK 0x01 #define SDIO_SEPINT_OE 0x02 @@ -97,9 +103,23 @@ #define SBSDIO_FUNC1_RFRAMEBCLO 0x1001B /* Read Frame Byte Count High */ #define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C +/* MesBusyCtl (rev 11) */ +#define SBSDIO_FUNC1_MESBUSYCTRL 0x1001D +/* Sdio Core Rev 12 */ +#define SBSDIO_FUNC1_WAKEUPCTRL 0x1001E +#define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK 0x1 +#define SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT 0 +#define SBSDIO_FUNC1_WCTRL_HTWAIT_MASK 0x2 +#define SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT 1 +#define SBSDIO_FUNC1_SLEEPCSR 0x1001F +#define SBSDIO_FUNC1_SLEEPCSR_KSO_MASK 0x1 +#define SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT 0 +#define SBSDIO_FUNC1_SLEEPCSR_KSO_EN 1 +#define SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK 0x2 +#define SBSDIO_FUNC1_SLEEPCSR_DEVON_SHIFT 1 #define SBSDIO_FUNC1_MISC_REG_START 0x10000 /* f1 misc register start */ -#define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001C /* f1 misc register end */ +#define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001F /* f1 misc register end */ /* function 1 OCP space */ @@ -144,42 +164,129 @@ struct brcmf_sdio; struct brcmf_sdio_dev { struct sdio_func *func[SDIO_MAX_FUNCS]; u8 num_funcs; /* Supported funcs on client */ - u32 func_cis_ptr[SDIOD_MAX_IOFUNCS]; u32 sbwad; /* Save backplane window address */ - void *bus; + struct brcmf_sdio *bus; atomic_t suspend; /* suspend flag */ - wait_queue_head_t request_byte_wait; wait_queue_head_t request_word_wait; - wait_queue_head_t request_chain_wait; wait_queue_head_t request_buffer_wait; struct device *dev; struct brcmf_bus *bus_if; -#ifdef CONFIG_BRCMFMAC_SDIO_OOB - unsigned int irq; /* oob interrupt number */ - unsigned long irq_flags; /* board specific oob flags */ + struct brcmfmac_sdio_platform_data *pdata; + bool oob_irq_requested; bool irq_en; /* irq enable flags */ spinlock_t irq_en_lock; bool irq_wake; /* irq wake enable flags */ -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ + bool sg_support; + uint max_request_size; + ushort max_segment_count; + uint max_segment_size; + uint txglomsz; + struct sg_table sgtable; +}; + +/* sdio core registers */ +struct sdpcmd_regs { + u32 corecontrol; /* 0x00, rev8 */ + u32 corestatus; /* rev8 */ + u32 PAD[1]; + u32 biststatus; /* rev8 */ + + /* PCMCIA access */ + u16 pcmciamesportaladdr; /* 0x010, rev8 */ + u16 PAD[1]; + u16 pcmciamesportalmask; /* rev8 */ + u16 PAD[1]; + u16 pcmciawrframebc; /* rev8 */ + u16 PAD[1]; + u16 pcmciaunderflowtimer; /* rev8 */ + u16 PAD[1]; + + /* interrupt */ + u32 intstatus; /* 0x020, rev8 */ + u32 hostintmask; /* rev8 */ + u32 intmask; /* rev8 */ + u32 sbintstatus; /* rev8 */ + u32 sbintmask; /* rev8 */ + u32 funcintmask; /* rev4 */ + u32 PAD[2]; + u32 tosbmailbox; /* 0x040, rev8 */ + u32 tohostmailbox; /* rev8 */ + u32 tosbmailboxdata; /* rev8 */ + u32 tohostmailboxdata; /* rev8 */ + + /* synchronized access to registers in SDIO clock domain */ + u32 sdioaccess; /* 0x050, rev8 */ + u32 PAD[3]; + + /* PCMCIA frame control */ + u8 pcmciaframectrl; /* 0x060, rev8 */ + u8 PAD[3]; + u8 pcmciawatermark; /* rev8 */ + u8 PAD[155]; + + /* interrupt batching control */ + u32 intrcvlazy; /* 0x100, rev8 */ + u32 PAD[3]; + + /* counters */ + u32 cmd52rd; /* 0x110, rev8 */ + u32 cmd52wr; /* rev8 */ + u32 cmd53rd; /* rev8 */ + u32 cmd53wr; /* rev8 */ + u32 abort; /* rev8 */ + u32 datacrcerror; /* rev8 */ + u32 rdoutofsync; /* rev8 */ + u32 wroutofsync; /* rev8 */ + u32 writebusy; /* rev8 */ + u32 readwait; /* rev8 */ + u32 readterm; /* rev8 */ + u32 writeterm; /* rev8 */ + u32 PAD[40]; + u32 clockctlstatus; /* rev8 */ + u32 PAD[7]; + + u32 PAD[128]; /* DMA engines */ + + /* SDIO/PCMCIA CIS region */ + char cis[512]; /* 0x400-0x5ff, rev6 */ + + /* PCMCIA function control registers */ + char pcmciafcr[256]; /* 0x600-6ff, rev6 */ + u16 PAD[55]; + + /* PCMCIA backplane access */ + u16 backplanecsr; /* 0x76E, rev6 */ + u16 backplaneaddr0; /* rev6 */ + u16 backplaneaddr1; /* rev6 */ + u16 backplaneaddr2; /* rev6 */ + u16 backplaneaddr3; /* rev6 */ + u16 backplanedata0; /* rev6 */ + u16 backplanedata1; /* rev6 */ + u16 backplanedata2; /* rev6 */ + u16 backplanedata3; /* rev6 */ + u16 PAD[31]; + + /* sprom "size" & "blank" info */ + u16 spromstatus; /* 0x7BE, rev2 */ + u32 PAD[464]; + + u16 PAD[0x80]; }; /* Register/deregister interrupt handler. */ -extern int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev); -extern int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev); +int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev); +int brcmf_sdiod_intr_unregister(struct brcmf_sdio_dev *sdiodev); /* sdio device register access interface */ -extern u8 brcmf_sdio_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret); -extern u32 brcmf_sdio_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret); -extern void brcmf_sdio_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr, - u8 data, int *ret); -extern void brcmf_sdio_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr, - u32 data, int *ret); -extern int brcmf_sdio_regrw_helper(struct brcmf_sdio_dev *sdiodev, u32 addr, - void *data, bool write); +u8 brcmf_sdiod_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret); +u32 brcmf_sdiod_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret); +void brcmf_sdiod_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr, u8 data, + int *ret); +void brcmf_sdiod_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr, u32 data, + int *ret); /* Buffer transfer to/from device (client) core via cmd53. * fn: function number - * addr: backplane address (i.e. >= regsva from attach) * flags: backplane width, address increment, sync/async * buf: pointer to memory data buffer * nbytes: number of bytes to transfer to/from buf @@ -189,22 +296,14 @@ extern int brcmf_sdio_regrw_helper(struct brcmf_sdio_dev *sdiodev, u32 addr, * Returns 0 or error code. * NOTE: Async operation is not currently supported. */ -extern int -brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, - uint flags, struct sk_buff *pkt); -extern int -brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, - uint flags, u8 *buf, uint nbytes); - -extern int -brcmf_sdcard_recv_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, - uint flags, struct sk_buff *pkt); -extern int -brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, - uint flags, u8 *buf, uint nbytes); -extern int -brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, - uint flags, struct sk_buff_head *pktq); +int brcmf_sdiod_send_pkt(struct brcmf_sdio_dev *sdiodev, + struct sk_buff_head *pktq); +int brcmf_sdiod_send_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes); + +int brcmf_sdiod_recv_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff *pkt); +int brcmf_sdiod_recv_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes); +int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, + struct sk_buff_head *pktq, uint totlen); /* Flags bits */ @@ -212,8 +311,6 @@ brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, #define SDIO_REQ_4BYTE 0x1 /* Fixed address (FIFO) (vs. incrementing address) */ #define SDIO_REQ_FIXED 0x2 -/* Async request (vs. sync request) */ -#define SDIO_REQ_ASYNC 0x4 /* Read/write to memory block (F1, no FIFO) via CMD53 (sync only). * rw: read or write (0/1) @@ -222,53 +319,16 @@ brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, * nbytes: number of bytes to transfer to/from buf * Returns 0 or error code. */ -extern int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw, - u32 addr, u8 *buf, uint nbytes); +int brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, + u8 *data, uint size); /* Issue an abort to the specified function */ -extern int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn); +int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn); -/* platform specific/high level functions */ -extern int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev); -extern int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev); +struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev); +void brcmf_sdio_remove(struct brcmf_sdio *bus); +void brcmf_sdio_isr(struct brcmf_sdio *bus); -extern int brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, - u32 address); +void brcmf_sdio_wd_timer(struct brcmf_sdio *bus, uint wdtick); -/* attach, return handler on success, NULL if failed. - * The handler shall be provided by all subsequent calls. No local cache - * cfghdl points to the starting address of pci device mapped memory - */ -extern int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev); -extern void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev); - -/* read or write one byte using cmd52 */ -extern int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, - uint fnc, uint addr, u8 *byte); - -/* read or write 2/4 bytes using cmd53 */ -extern int -brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev, - uint rw, uint fnc, uint addr, - u32 *word, uint nbyte); - -/* read or write any buffer using cmd53 */ -extern int -brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev, - uint fix_inc, uint rw, uint fnc_num, u32 addr, - struct sk_buff *pkt); -extern int -brcmf_sdioh_request_chain(struct brcmf_sdio_dev *sdiodev, uint fix_inc, - uint write, uint func, uint addr, - struct sk_buff_head *pktq); - -/* Watchdog timer interface for pm ops */ -extern void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, - bool enable); - -extern void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev); -extern void brcmf_sdbrcm_disconnect(void *ptr); -extern void brcmf_sdbrcm_isr(void *arg); - -extern void brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick); #endif /* _BRCM_SDH_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.c b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.c new file mode 100644 index 00000000000..b505db48c60 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.c @@ -0,0 +1,22 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/module.h> /* bug in tracepoint.h, it should include this */ + +#ifndef __CHECKER__ +#define CREATE_TRACE_POINTS +#include "tracepoint.h" +#endif diff --git a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h new file mode 100644 index 00000000000..4d7d51f9571 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h @@ -0,0 +1,152 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#if !defined(BRCMF_TRACEPOINT_H_) || defined(TRACE_HEADER_MULTI_READ) +#define BRCMF_TRACEPOINT_H_ + +#include <linux/types.h> +#include <linux/tracepoint.h> + +#ifndef CONFIG_BRCM_TRACING + +#undef TRACE_EVENT +#define TRACE_EVENT(name, proto, ...) \ +static inline void trace_ ## name(proto) {} + +#undef DECLARE_EVENT_CLASS +#define DECLARE_EVENT_CLASS(...) + +#undef DEFINE_EVENT +#define DEFINE_EVENT(evt_class, name, proto, ...) \ +static inline void trace_ ## name(proto) {} + +#endif /* CONFIG_BRCM_TRACING */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM brcmfmac + +#define MAX_MSG_LEN 100 + +TRACE_EVENT(brcmf_err, + TP_PROTO(const char *func, struct va_format *vaf), + TP_ARGS(func, vaf), + TP_STRUCT__entry( + __string(func, func) + __dynamic_array(char, msg, MAX_MSG_LEN) + ), + TP_fast_assign( + __assign_str(func, func); + WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), + MAX_MSG_LEN, vaf->fmt, + *vaf->va) >= MAX_MSG_LEN); + ), + TP_printk("%s: %s", __get_str(func), __get_str(msg)) +); + +TRACE_EVENT(brcmf_dbg, + TP_PROTO(u32 level, const char *func, struct va_format *vaf), + TP_ARGS(level, func, vaf), + TP_STRUCT__entry( + __field(u32, level) + __string(func, func) + __dynamic_array(char, msg, MAX_MSG_LEN) + ), + TP_fast_assign( + __entry->level = level; + __assign_str(func, func); + WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), + MAX_MSG_LEN, vaf->fmt, + *vaf->va) >= MAX_MSG_LEN); + ), + TP_printk("%s: %s", __get_str(func), __get_str(msg)) +); + +TRACE_EVENT(brcmf_hexdump, + TP_PROTO(void *data, size_t len), + TP_ARGS(data, len), + TP_STRUCT__entry( + __field(unsigned long, len) + __field(unsigned long, addr) + __dynamic_array(u8, hdata, len) + ), + TP_fast_assign( + __entry->len = len; + __entry->addr = (unsigned long)data; + memcpy(__get_dynamic_array(hdata), data, len); + ), + TP_printk("hexdump [addr=%lx, length=%lu]", __entry->addr, __entry->len) +); + +TRACE_EVENT(brcmf_bcdchdr, + TP_PROTO(void *data), + TP_ARGS(data), + TP_STRUCT__entry( + __field(u8, flags) + __field(u8, prio) + __field(u8, flags2) + __field(u32, siglen) + __dynamic_array(u8, signal, *((u8 *)data + 3) * 4) + ), + TP_fast_assign( + __entry->flags = *(u8 *)data; + __entry->prio = *((u8 *)data + 1); + __entry->flags2 = *((u8 *)data + 2); + __entry->siglen = *((u8 *)data + 3) * 4; + memcpy(__get_dynamic_array(signal), + (u8 *)data + 4, __entry->siglen); + ), + TP_printk("bcdc: prio=%d siglen=%d", __entry->prio, __entry->siglen) +); + +#ifndef SDPCM_RX +#define SDPCM_RX 0 +#endif +#ifndef SDPCM_TX +#define SDPCM_TX 1 +#endif +#ifndef SDPCM_GLOM +#define SDPCM_GLOM 2 +#endif + +TRACE_EVENT(brcmf_sdpcm_hdr, + TP_PROTO(u8 dir, void *data), + TP_ARGS(dir, data), + TP_STRUCT__entry( + __field(u8, dir) + __field(u16, len) + __dynamic_array(u8, hdr, dir == SDPCM_GLOM ? 20 : 12) + ), + TP_fast_assign( + memcpy(__get_dynamic_array(hdr), data, dir == SDPCM_GLOM ? 20 : 12); + __entry->len = *(u8 *)data | (*((u8 *)data + 1) << 8); + __entry->dir = dir; + ), + TP_printk("sdpcm: %s len %u, seq %d", + __entry->dir == SDPCM_RX ? "RX" : "TX", + __entry->len, ((u8 *)__get_dynamic_array(hdr))[4]) +); + +#ifdef CONFIG_BRCM_TRACING + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE tracepoint + +#include <trace/define_trace.h> + +#endif /* CONFIG_BRCM_TRACING */ + +#endif /* BRCMF_TRACEPOINT_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index a2b4b1e7101..d06fcb05adf 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -14,42 +14,28 @@ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/kthread.h> -#include <linux/slab.h> -#include <linux/skbuff.h> -#include <linux/netdevice.h> -#include <linux/spinlock.h> -#include <linux/ethtool.h> -#include <linux/fcntl.h> -#include <linux/fs.h> -#include <linux/uaccess.h> #include <linux/firmware.h> #include <linux/usb.h> #include <linux/vmalloc.h> -#include <net/cfg80211.h> -#include <defs.h> #include <brcmu_utils.h> #include <brcmu_wifi.h> #include <dhd_bus.h> #include <dhd_dbg.h> +#include "firmware.h" #include "usb_rdl.h" #include "usb.h" #define IOCTL_RESP_TIMEOUT 2000 -#define BRCMF_USB_SYNC_TIMEOUT 300 /* ms */ -#define BRCMF_USB_DLIMAGE_SPINWAIT 100 /* in unit of ms */ -#define BRCMF_USB_DLIMAGE_LIMIT 500 /* spinwait limit (ms) */ +#define BRCMF_USB_RESET_GETVER_SPINWAIT 100 /* in unit of ms */ +#define BRCMF_USB_RESET_GETVER_LOOP_CNT 10 #define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle has boot up */ -#define BRCMF_USB_RESETCFG_SPINWAIT 1 /* wait after resetcfg (ms) */ - #define BRCMF_USB_NRXQ 50 #define BRCMF_USB_NTXQ 50 @@ -70,28 +56,12 @@ #define BRCMF_USB_43236_FW_NAME "brcm/brcmfmac43236b.bin" #define BRCMF_USB_43242_FW_NAME "brcm/brcmfmac43242a.bin" -enum usbdev_suspend_state { - USBOS_SUSPEND_STATE_DEVICE_ACTIVE = 0, /* Device is busy, won't allow - suspend */ - USBOS_SUSPEND_STATE_SUSPEND_PENDING, /* Device is idle, can be - * suspended. Wating PM to - * suspend the device - */ - USBOS_SUSPEND_STATE_SUSPENDED /* Device suspended */ -}; - struct brcmf_usb_image { struct list_head list; s8 *fwname; u8 *image; int image_len; }; -static struct list_head fw_image_list; - -struct intr_transfer_buf { - u32 notification; - u32 reserved; -}; struct brcmf_usbdev_info { struct brcmf_usbdev bus_pub; /* MUST BE FIRST */ @@ -100,26 +70,21 @@ struct brcmf_usbdev_info { struct list_head rx_postq; struct list_head tx_freeq; struct list_head tx_postq; - enum usbdev_suspend_state suspend_state; - uint rx_pipe, tx_pipe, intr_pipe, rx_pipe2; + uint rx_pipe, tx_pipe, rx_pipe2; - bool activity; int rx_low_watermark; int tx_low_watermark; int tx_high_watermark; int tx_freecount; bool tx_flowblock; + spinlock_t tx_flowblock_lock; struct brcmf_usbreq *tx_reqs; struct brcmf_usbreq *rx_reqs; - u8 *image; /* buffer for combine fw and nvram */ + const u8 *image; /* buffer for combine fw and nvram */ int image_len; - wait_queue_head_t wait; - bool waitdone; - int sync_urb_status; - struct usb_device *usbdev; struct device *dev; @@ -131,24 +96,14 @@ struct brcmf_usbdev_info { int ctl_urb_status; int ctl_completed; wait_queue_head_t ioctl_resp_wait; - wait_queue_head_t ctrl_wait; ulong ctl_op; struct urb *bulk_urb; /* used for FW download */ - struct urb *intr_urb; /* URB for interrupt endpoint */ - int intr_size; /* Size of interrupt message */ - int interval; /* Interrupt polling interval */ - struct intr_transfer_buf intr; /* Data buffer for interrupt endpoint */ }; static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, struct brcmf_usbreq *req); -MODULE_AUTHOR("Broadcom Corporation"); -MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac usb driver."); -MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac usb cards"); -MODULE_LICENSE("Dual BSD/GPL"); - static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev) { struct brcmf_bus *bus_if = dev_get_drvdata(dev); @@ -176,6 +131,7 @@ static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo) static void brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status) { + brcmf_dbg(USB, "Enter, status=%d\n", status); if (unlikely(devinfo == NULL)) return; @@ -203,6 +159,7 @@ brcmf_usb_ctlread_complete(struct urb *urb) struct brcmf_usbdev_info *devinfo = (struct brcmf_usbdev_info *)urb->context; + brcmf_dbg(USB, "Enter\n"); devinfo->ctl_urb_actual_length = urb->actual_length; brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ, urb->status); @@ -214,33 +171,22 @@ brcmf_usb_ctlwrite_complete(struct urb *urb) struct brcmf_usbdev_info *devinfo = (struct brcmf_usbdev_info *)urb->context; + brcmf_dbg(USB, "Enter\n"); brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE, urb->status); } -static int brcmf_usb_pnp(struct brcmf_usbdev_info *devinfo, uint state) -{ - return 0; -} - static int brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) { int ret; u16 size; + brcmf_dbg(USB, "Enter\n"); if (devinfo == NULL || buf == NULL || len == 0 || devinfo->ctl_urb == NULL) return -EINVAL; - /* If the USB/HSIC bus in sleep state, wake it up */ - if (devinfo->suspend_state == USBOS_SUSPEND_STATE_SUSPENDED) - if (brcmf_usb_pnp(devinfo, BCMFMAC_USB_PNP_RESUME) != 0) { - brcmf_dbg(ERROR, "Could not Resume the bus!\n"); - return -EIO; - } - - devinfo->activity = true; size = len; devinfo->ctl_write.wLength = cpu_to_le16p(&size); devinfo->ctl_urb->transfer_buffer_length = size; @@ -257,7 +203,7 @@ brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); if (ret < 0) - brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); + brcmf_err("usb_submit_urb failed %d\n", ret); return ret; } @@ -268,6 +214,7 @@ brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) int ret; u16 size; + brcmf_dbg(USB, "Enter\n"); if ((devinfo == NULL) || (buf == NULL) || (len == 0) || (devinfo->ctl_urb == NULL)) return -EINVAL; @@ -290,7 +237,7 @@ brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); if (ret < 0) - brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); + brcmf_err("usb_submit_urb failed %d\n", ret); return ret; } @@ -301,10 +248,9 @@ static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len) int timeout = 0; struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) { - /* TODO: handle suspend/resume */ + brcmf_dbg(USB, "Enter\n"); + if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) return -EIO; - } if (test_and_set_bit(0, &devinfo->ctl_op)) return -EIO; @@ -312,14 +258,14 @@ static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len) devinfo->ctl_completed = false; err = brcmf_usb_send_ctl(devinfo, buf, len); if (err) { - brcmf_dbg(ERROR, "fail %d bytes: %d\n", err, len); + brcmf_err("fail %d bytes: %d\n", err, len); clear_bit(0, &devinfo->ctl_op); return err; } timeout = brcmf_usb_ioctl_resp_wait(devinfo); clear_bit(0, &devinfo->ctl_op); if (!timeout) { - brcmf_dbg(ERROR, "Txctl wait timed out\n"); + brcmf_err("Txctl wait timed out\n"); err = -EIO; } return err; @@ -331,17 +277,17 @@ static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len) int timeout = 0; struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) { - /* TODO: handle suspend/resume */ + brcmf_dbg(USB, "Enter\n"); + if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) return -EIO; - } + if (test_and_set_bit(0, &devinfo->ctl_op)) return -EIO; devinfo->ctl_completed = false; err = brcmf_usb_recv_ctl(devinfo, buf, len); if (err) { - brcmf_dbg(ERROR, "fail %d bytes: %d\n", err, len); + brcmf_err("fail %d bytes: %d\n", err, len); clear_bit(0, &devinfo->ctl_op); return err; } @@ -349,7 +295,7 @@ static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len) err = devinfo->ctl_urb_status; clear_bit(0, &devinfo->ctl_op); if (!timeout) { - brcmf_dbg(ERROR, "rxctl wait timed out\n"); + brcmf_err("rxctl wait timed out\n"); err = -EIO; } if (!err) @@ -395,11 +341,10 @@ brcmf_usbdev_qinit(struct list_head *q, int qsize) int i; struct brcmf_usbreq *req, *reqs; - reqs = kzalloc(sizeof(struct brcmf_usbreq) * qsize, GFP_ATOMIC); - if (reqs == NULL) { - brcmf_dbg(ERROR, "fail to allocate memory!\n"); + reqs = kcalloc(qsize, sizeof(struct brcmf_usbreq), GFP_ATOMIC); + if (reqs == NULL) return NULL; - } + req = reqs; for (i = 0; i < qsize; i++) { @@ -413,7 +358,7 @@ brcmf_usbdev_qinit(struct list_head *q, int qsize) } return reqs; fail: - brcmf_dbg(ERROR, "fail!\n"); + brcmf_err("fail!\n"); while (!list_empty(q)) { req = list_entry(q->next, struct brcmf_usbreq, list); if (req && req->urb) @@ -430,7 +375,7 @@ static void brcmf_usb_free_q(struct list_head *q, bool pending) int i = 0; list_for_each_entry_safe(req, next, q, list) { if (!req->urb) { - brcmf_dbg(ERROR, "bad req\n"); + brcmf_err("bad req\n"); break; } i++; @@ -458,23 +403,22 @@ static void brcmf_usb_tx_complete(struct urb *urb) { struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; struct brcmf_usbdev_info *devinfo = req->devinfo; + unsigned long flags; + brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status, + req->skb); brcmf_usb_del_fromq(devinfo, req); - if (urb->status == 0) - devinfo->bus_pub.bus->dstats.tx_packets++; - else - devinfo->bus_pub.bus->dstats.tx_errors++; brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0); - - brcmu_pkt_buf_free_skb(req->skb); req->skb = NULL; brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, &devinfo->tx_freecount); + spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); if (devinfo->tx_freecount > devinfo->tx_high_watermark && devinfo->tx_flowblock) { brcmf_txflowblock(devinfo->dev, false); devinfo->tx_flowblock = false; } + spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); } static void brcmf_usb_rx_complete(struct urb *urb) @@ -482,29 +426,22 @@ static void brcmf_usb_rx_complete(struct urb *urb) struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; struct brcmf_usbdev_info *devinfo = req->devinfo; struct sk_buff *skb; - int ifidx = 0; + brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status); brcmf_usb_del_fromq(devinfo, req); skb = req->skb; req->skb = NULL; - if (urb->status == 0) { - devinfo->bus_pub.bus->dstats.rx_packets++; - } else { - devinfo->bus_pub.bus->dstats.rx_errors++; + /* zero lenght packets indicate usb "failure". Do not refill */ + if (urb->status != 0 || !urb->actual_length) { brcmu_pkt_buf_free_skb(skb); brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); return; } - if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP) { + if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) { skb_put(skb, urb->actual_length); - if (brcmf_proto_hdrpull(devinfo->dev, &ifidx, skb) != 0) { - brcmf_dbg(ERROR, "rx protocol error\n"); - brcmu_pkt_buf_free_skb(skb); - devinfo->bus_pub.bus->dstats.rx_errors++; - } else - brcmf_rx_packet(devinfo->dev, ifidx, skb); + brcmf_rx_frame(devinfo->dev, skb); brcmf_usb_rx_refill(devinfo, req); } else { brcmu_pkt_buf_free_skb(skb); @@ -550,8 +487,8 @@ static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo) { struct brcmf_usbreq *req; - if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) { - brcmf_dbg(ERROR, "bus is not up\n"); + if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { + brcmf_err("bus is not up=%d\n", devinfo->bus_pub.state); return; } while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL) @@ -564,80 +501,46 @@ brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state) struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus; int old_state; + brcmf_dbg(USB, "Enter, current state=%d, new state=%d\n", + devinfo->bus_pub.state, state); if (devinfo->bus_pub.state == state) return; old_state = devinfo->bus_pub.state; - brcmf_dbg(TRACE, "dbus state change from %d to to %d\n", - old_state, state); - - /* Don't update state if it's PnP firmware re-download */ - if (state != BCMFMAC_USB_STATE_PNP_FWDL) /* TODO */ - devinfo->bus_pub.state = state; - - if ((old_state == BCMFMAC_USB_STATE_SLEEP) - && (state == BCMFMAC_USB_STATE_UP)) { - brcmf_usb_rx_fill_all(devinfo); - } + devinfo->bus_pub.state = state; /* update state of upper layer */ - if (state == BCMFMAC_USB_STATE_DOWN) { - brcmf_dbg(INFO, "DBUS is down\n"); - bcmf_bus->state = BRCMF_BUS_DOWN; + if (state == BRCMFMAC_USB_STATE_DOWN) { + brcmf_dbg(USB, "DBUS is down\n"); + brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_DOWN); + } else if (state == BRCMFMAC_USB_STATE_UP) { + brcmf_dbg(USB, "DBUS is up\n"); + brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_DATA); } else { - brcmf_dbg(INFO, "DBUS current state=%d\n", state); + brcmf_dbg(USB, "DBUS current state=%d\n", state); } } -static void -brcmf_usb_intr_complete(struct urb *urb) -{ - struct brcmf_usbdev_info *devinfo = - (struct brcmf_usbdev_info *)urb->context; - bool killed; - - if (devinfo == NULL) - return; - - if (unlikely(urb->status)) { - if (devinfo->suspend_state == - USBOS_SUSPEND_STATE_SUSPEND_PENDING) - killed = true; - - if ((urb->status == -ENOENT && (!killed)) - || urb->status == -ESHUTDOWN || - urb->status == -ENODEV) { - brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_DOWN); - } - } - - if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN) { - brcmf_dbg(ERROR, "intr cb when DBUS down, ignoring\n"); - return; - } - - if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP) - usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC); -} - static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) { struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); struct brcmf_usbreq *req; int ret; + unsigned long flags; - if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) { - /* TODO: handle suspend/resume */ - return -EIO; + brcmf_dbg(USB, "Enter, skb=%p\n", skb); + if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { + ret = -EIO; + goto fail; } req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq, &devinfo->tx_freecount); if (!req) { - brcmu_pkt_buf_free_skb(skb); - brcmf_dbg(ERROR, "no req to send\n"); - return -ENOMEM; + brcmf_err("no req to send\n"); + ret = -ENOMEM; + goto fail; } req->skb = skb; @@ -648,20 +551,24 @@ static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL); ret = usb_submit_urb(req->urb, GFP_ATOMIC); if (ret) { - brcmf_dbg(ERROR, "brcmf_usb_tx usb_submit_urb FAILED\n"); + brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n"); brcmf_usb_del_fromq(devinfo, req); - brcmu_pkt_buf_free_skb(req->skb); req->skb = NULL; brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, - &devinfo->tx_freecount); - } else { - if (devinfo->tx_freecount < devinfo->tx_low_watermark && - !devinfo->tx_flowblock) { - brcmf_txflowblock(dev, true); - devinfo->tx_flowblock = true; - } + &devinfo->tx_freecount); + goto fail; } + spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); + if (devinfo->tx_freecount < devinfo->tx_low_watermark && + !devinfo->tx_flowblock) { + brcmf_txflowblock(dev, true); + devinfo->tx_flowblock = true; + } + spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); + return 0; + +fail: return ret; } @@ -671,39 +578,12 @@ static int brcmf_usb_up(struct device *dev) struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); u16 ifnum; - if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP) + brcmf_dbg(USB, "Enter\n"); + if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) return 0; - /* If the USB/HSIC bus in sleep state, wake it up */ - if (devinfo->suspend_state == USBOS_SUSPEND_STATE_SUSPENDED) { - if (brcmf_usb_pnp(devinfo, BCMFMAC_USB_PNP_RESUME) != 0) { - brcmf_dbg(ERROR, "Could not Resume the bus!\n"); - return -EIO; - } - } - devinfo->activity = true; - /* Success, indicate devinfo is fully up */ - brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_UP); - - if (devinfo->intr_urb) { - int ret; - - usb_fill_int_urb(devinfo->intr_urb, devinfo->usbdev, - devinfo->intr_pipe, - &devinfo->intr, - devinfo->intr_size, - (usb_complete_t)brcmf_usb_intr_complete, - devinfo, - devinfo->interval); - - ret = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC); - if (ret) { - brcmf_dbg(ERROR, "USB_SUBMIT_URB failed with status %d\n", - ret); - return -EINVAL; - } - } + brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP); if (devinfo->ctl_urb) { devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0); @@ -733,16 +613,14 @@ static void brcmf_usb_down(struct device *dev) { struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); + brcmf_dbg(USB, "Enter\n"); if (devinfo == NULL) return; - brcmf_dbg(TRACE, "enter\n"); - if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN) + if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) return; - brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_DOWN); - if (devinfo->intr_urb) - usb_kill_urb(devinfo->intr_urb); + brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN); if (devinfo->ctl_urb) usb_kill_urb(devinfo->ctl_urb); @@ -754,34 +632,14 @@ static void brcmf_usb_down(struct device *dev) brcmf_usb_free_q(&devinfo->rx_postq, true); } -static int -brcmf_usb_sync_wait(struct brcmf_usbdev_info *devinfo, u16 time) -{ - int ret; - int err = 0; - int ms = time; - - ret = wait_event_interruptible_timeout(devinfo->wait, - devinfo->waitdone == true, (ms * HZ / 1000)); - - if ((devinfo->waitdone == false) || (devinfo->sync_urb_status)) { - brcmf_dbg(ERROR, "timeout(%d) or urb err=%d\n", - ret, devinfo->sync_urb_status); - err = -EINVAL; - } - devinfo->waitdone = false; - return err; -} - static void brcmf_usb_sync_complete(struct urb *urb) { struct brcmf_usbdev_info *devinfo = (struct brcmf_usbdev_info *)urb->context; - devinfo->waitdone = true; - wake_up_interruptible(&devinfo->wait); - devinfo->sync_urb_status = urb->status; + devinfo->ctl_completed = true; + brcmf_usb_ioctl_resp_wake(devinfo); } static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, @@ -813,18 +671,19 @@ static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, (void *) tmpbuf, size, (usb_complete_t)brcmf_usb_sync_complete, devinfo); + devinfo->ctl_completed = false; ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); if (ret < 0) { - brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); + brcmf_err("usb_submit_urb failed %d\n", ret); kfree(tmpbuf); return false; } - ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT); + ret = brcmf_usb_ioctl_resp_wait(devinfo); memcpy(buffer, tmpbuf, buflen); kfree(tmpbuf); - return (ret == 0); + return ret; } static bool @@ -833,27 +692,25 @@ brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo) struct bootrom_id_le id; u32 chipid, chiprev; - brcmf_dbg(TRACE, "enter\n"); + brcmf_dbg(USB, "Enter\n"); if (devinfo == NULL) return false; /* Check if firmware downloaded already by querying runtime ID */ id.chip = cpu_to_le32(0xDEAD); - brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, - sizeof(struct bootrom_id_le)); + brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); chipid = le32_to_cpu(id.chip); chiprev = le32_to_cpu(id.chiprev); if ((chipid & 0x4300) == 0x4300) - brcmf_dbg(INFO, "chip %x rev 0x%x\n", chipid, chiprev); + brcmf_dbg(USB, "chip %x rev 0x%x\n", chipid, chiprev); else - brcmf_dbg(INFO, "chip %d rev 0x%x\n", chipid, chiprev); + brcmf_dbg(USB, "chip %d rev 0x%x\n", chipid, chiprev); if (chipid == BRCMF_POSTBOOT_ID) { - brcmf_dbg(INFO, "firmware already downloaded\n"); - brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, - sizeof(struct bootrom_id_le)); + brcmf_dbg(USB, "firmware already downloaded\n"); + brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); return false; } else { devinfo->bus_pub.devid = chipid; @@ -866,38 +723,29 @@ static int brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo) { struct bootrom_id_le id; - u16 wait = 0, wait_time; - - brcmf_dbg(TRACE, "enter\n"); + u32 loop_cnt; - if (devinfo == NULL) - return -EINVAL; + brcmf_dbg(USB, "Enter\n"); - /* Give dongle chance to boot */ - wait_time = BRCMF_USB_DLIMAGE_SPINWAIT; - while (wait < BRCMF_USB_DLIMAGE_LIMIT) { - mdelay(wait_time); - wait += wait_time; + loop_cnt = 0; + do { + mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT); + loop_cnt++; id.chip = cpu_to_le32(0xDEAD); /* Get the ID */ - brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, - sizeof(struct bootrom_id_le)); + brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) break; - } + } while (loop_cnt < BRCMF_USB_RESET_GETVER_LOOP_CNT); if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) { - brcmf_dbg(INFO, "download done %d ms postboot chip 0x%x/rev 0x%x\n", - wait, le32_to_cpu(id.chip), le32_to_cpu(id.chiprev)); - - brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, - sizeof(struct bootrom_id_le)); + brcmf_dbg(USB, "postboot chip 0x%x/rev 0x%x\n", + le32_to_cpu(id.chip), le32_to_cpu(id.chiprev)); - /* XXX this wait may not be necessary */ - mdelay(BRCMF_USB_RESETCFG_SPINWAIT); + brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); return 0; } else { - brcmf_dbg(ERROR, "Cannot talk to Dongle. Firmware is not UP, %d ms\n", - wait); + brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n", + BRCMF_USB_RESET_GETVER_SPINWAIT * loop_cnt); return -EINVAL; } } @@ -918,13 +766,14 @@ brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len) devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET; + devinfo->ctl_completed = false; ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC); if (ret) { - brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); + brcmf_err("usb_submit_urb failed %d\n", ret); return ret; } - ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT); - return ret; + ret = brcmf_usb_ioctl_resp_wait(devinfo); + return (ret == 0); } static int @@ -935,7 +784,8 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) struct rdl_state_le state; u32 rdlstate, rdlbytes; int err = 0; - brcmf_dbg(TRACE, "fw %p, len %d\n", fw, fwlen); + + brcmf_dbg(USB, "Enter, fw %p, len %d\n", fw, fwlen); bulkchunk = kmalloc(RDL_CHUNK, GFP_ATOMIC); if (bulkchunk == NULL) { @@ -952,7 +802,7 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) /* 2) Check we are in the Waiting state */ if (rdlstate != DL_WAITING) { - brcmf_dbg(ERROR, "Failed to DL_START\n"); + brcmf_err("Failed to DL_START\n"); err = -EINVAL; goto fail; } @@ -981,7 +831,7 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) memcpy(bulkchunk, dlpos, sendlen); if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk, sendlen)) { - brcmf_dbg(ERROR, "send_bulk failed\n"); + brcmf_err("send_bulk failed\n"); err = -EINVAL; goto fail; } @@ -991,7 +841,7 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) } if (!brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, sizeof(struct rdl_state_le))) { - brcmf_dbg(ERROR, "DL_GETSTATE Failed xxxx\n"); + brcmf_err("DL_GETSTATE Failed xxxx\n"); err = -EINVAL; goto fail; } @@ -1001,7 +851,7 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) /* restart if an error is reported */ if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) { - brcmf_dbg(ERROR, "Bad Hdr or Bad CRC state %d\n", + brcmf_err("Bad Hdr or Bad CRC state %d\n", rdlstate); err = -EINVAL; goto fail; @@ -1010,7 +860,7 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) fail: kfree(bulkchunk); - brcmf_dbg(TRACE, "err=%d\n", err); + brcmf_dbg(USB, "Exit, err=%d\n", err); return err; } @@ -1018,7 +868,7 @@ static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len) { int err; - brcmf_dbg(TRACE, "enter\n"); + brcmf_dbg(USB, "Enter\n"); if (devinfo == NULL) return -EINVAL; @@ -1028,10 +878,10 @@ static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len) err = brcmf_usb_dl_writeimage(devinfo, fw, len); if (err == 0) - devinfo->bus_pub.state = BCMFMAC_USB_STATE_DL_DONE; + devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_DONE; else - devinfo->bus_pub.state = BCMFMAC_USB_STATE_DL_PENDING; - brcmf_dbg(TRACE, "exit: err=%d\n", err); + devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_FAIL; + brcmf_dbg(USB, "Exit, err=%d\n", err); return err; } @@ -1040,7 +890,7 @@ static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo) { struct rdl_state_le state; - brcmf_dbg(TRACE, "enter\n"); + brcmf_dbg(USB, "Enter\n"); if (!devinfo) return -EINVAL; @@ -1060,10 +910,10 @@ static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo) return -ENODEV; /* The Dongle may go for re-enumeration. */ } else { - brcmf_dbg(ERROR, "Dongle not runnable\n"); + brcmf_err("Dongle not runnable\n"); return -EINVAL; } - brcmf_dbg(TRACE, "exit\n"); + brcmf_dbg(USB, "Exit\n"); return 0; } @@ -1090,7 +940,7 @@ brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) int devid, chiprev; int err; - brcmf_dbg(TRACE, "enter\n"); + brcmf_dbg(USB, "Enter\n"); if (devinfo == NULL) return -ENODEV; @@ -1098,18 +948,18 @@ brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) chiprev = devinfo->bus_pub.chiprev; if (!brcmf_usb_chip_support(devid, chiprev)) { - brcmf_dbg(ERROR, "unsupported chip %d rev %d\n", + brcmf_err("unsupported chip %d rev %d\n", devid, chiprev); return -EINVAL; } if (!devinfo->image) { - brcmf_dbg(ERROR, "No firmware!\n"); + brcmf_err("No firmware!\n"); return -ENOENT; } err = brcmf_usb_dlstart(devinfo, - devinfo->image, devinfo->image_len); + (u8 *)devinfo->image, devinfo->image_len); if (err == 0) err = brcmf_usb_dlrun(devinfo); return err; @@ -1118,13 +968,12 @@ brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo) { - brcmf_dbg(TRACE, "devinfo %p\n", devinfo); + brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo); /* free the URBS */ brcmf_usb_free_q(&devinfo->rx_freeq, false); brcmf_usb_free_q(&devinfo->tx_freeq, false); - usb_free_urb(devinfo->intr_urb); usb_free_urb(devinfo->ctl_urb); usb_free_urb(devinfo->bulk_urb); @@ -1153,6 +1002,7 @@ static int check_file(const u8 *headers) struct trx_header_le *trx; int actual_len = -1; + brcmf_dbg(USB, "Enter\n"); /* Extract trx header */ trx = (struct trx_header_le *) headers; if (trx->magic != cpu_to_le32(TRX_MAGIC)) @@ -1167,67 +1017,20 @@ static int check_file(const u8 *headers) return -1; } -static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo) +static const char *brcmf_usb_get_fwname(struct brcmf_usbdev_info *devinfo) { - s8 *fwname; - const struct firmware *fw; - struct brcmf_usb_image *fw_image; - int err; - switch (devinfo->bus_pub.devid) { case 43143: - fwname = BRCMF_USB_43143_FW_NAME; - break; + return BRCMF_USB_43143_FW_NAME; case 43235: case 43236: case 43238: - fwname = BRCMF_USB_43236_FW_NAME; - break; + return BRCMF_USB_43236_FW_NAME; case 43242: - fwname = BRCMF_USB_43242_FW_NAME; - break; + return BRCMF_USB_43242_FW_NAME; default: - return -EINVAL; - break; - } - - list_for_each_entry(fw_image, &fw_image_list, list) { - if (fw_image->fwname == fwname) { - devinfo->image = fw_image->image; - devinfo->image_len = fw_image->image_len; - return 0; - } - } - /* fw image not yet loaded. Load it now and add to list */ - err = request_firmware(&fw, fwname, devinfo->dev); - if (!fw) { - brcmf_dbg(ERROR, "fail to request firmware %s\n", fwname); - return err; - } - if (check_file(fw->data) < 0) { - brcmf_dbg(ERROR, "invalid firmware %s\n", fwname); - return -EINVAL; + return NULL; } - - fw_image = kzalloc(sizeof(*fw_image), GFP_ATOMIC); - if (!fw_image) - return -ENOMEM; - INIT_LIST_HEAD(&fw_image->list); - list_add_tail(&fw_image->list, &fw_image_list); - fw_image->fwname = fwname; - fw_image->image = vmalloc(fw->size); - if (!fw_image->image) - return -ENOMEM; - - memcpy(fw_image->image, fw->data, fw->size); - fw_image->image_len = fw->size; - - release_firmware(fw); - - devinfo->image = fw_image->image; - devinfo->image_len = fw_image->image_len; - - return 0; } @@ -1235,10 +1038,13 @@ static struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo, int nrxq, int ntxq) { + brcmf_dbg(USB, "Enter\n"); + devinfo->bus_pub.nrxq = nrxq; devinfo->rx_low_watermark = nrxq / 2; devinfo->bus_pub.devinfo = devinfo; devinfo->bus_pub.ntxq = ntxq; + devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DOWN; /* flow control when too many tx urbs posted */ devinfo->tx_low_watermark = ntxq / 4; @@ -1250,6 +1056,7 @@ struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo, /* Initialize the spinlocks */ spin_lock_init(&devinfo->qlock); + spin_lock_init(&devinfo->tx_flowblock_lock); INIT_LIST_HEAD(&devinfo->rx_freeq); INIT_LIST_HEAD(&devinfo->rx_postq); @@ -1268,49 +1075,100 @@ struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo, goto error; devinfo->tx_freecount = ntxq; - devinfo->intr_urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!devinfo->intr_urb) { - brcmf_dbg(ERROR, "usb_alloc_urb (intr) failed\n"); - goto error; - } devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC); if (!devinfo->ctl_urb) { - brcmf_dbg(ERROR, "usb_alloc_urb (ctl) failed\n"); + brcmf_err("usb_alloc_urb (ctl) failed\n"); goto error; } devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC); if (!devinfo->bulk_urb) { - brcmf_dbg(ERROR, "usb_alloc_urb (bulk) failed\n"); + brcmf_err("usb_alloc_urb (bulk) failed\n"); goto error; } - init_waitqueue_head(&devinfo->wait); - if (!brcmf_usb_dlneeded(devinfo)) - return &devinfo->bus_pub; + return &devinfo->bus_pub; - brcmf_dbg(TRACE, "start fw downloading\n"); - if (brcmf_usb_get_fw(devinfo)) +error: + brcmf_err("failed!\n"); + brcmf_usb_detach(devinfo); + return NULL; +} + +static struct brcmf_bus_ops brcmf_usb_bus_ops = { + .txdata = brcmf_usb_tx, + .stop = brcmf_usb_down, + .txctl = brcmf_usb_tx_ctlpkt, + .rxctl = brcmf_usb_rx_ctlpkt, +}; + +static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo) +{ + int ret; + + /* Attach to the common driver interface */ + ret = brcmf_attach(devinfo->dev); + if (ret) { + brcmf_err("brcmf_attach failed\n"); + return ret; + } + + ret = brcmf_usb_up(devinfo->dev); + if (ret) + goto fail; + + ret = brcmf_bus_start(devinfo->dev); + if (ret) + goto fail; + + return 0; +fail: + brcmf_detach(devinfo->dev); + return ret; +} + +static void brcmf_usb_probe_phase2(struct device *dev, + const struct firmware *fw, + void *nvram, u32 nvlen) +{ + struct brcmf_bus *bus = dev_get_drvdata(dev); + struct brcmf_usbdev_info *devinfo; + int ret; + + brcmf_dbg(USB, "Start fw downloading\n"); + ret = check_file(fw->data); + if (ret < 0) { + brcmf_err("invalid firmware\n"); + release_firmware(fw); goto error; + } + + devinfo = bus->bus_priv.usb->devinfo; + devinfo->image = fw->data; + devinfo->image_len = fw->size; - if (brcmf_usb_fw_download(devinfo)) + ret = brcmf_usb_fw_download(devinfo); + release_firmware(fw); + if (ret) goto error; - return &devinfo->bus_pub; + ret = brcmf_usb_bus_setup(devinfo); + if (ret) + goto error; + return; error: - brcmf_dbg(ERROR, "failed!\n"); - brcmf_usb_detach(devinfo); - return NULL; + brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret); + device_release_driver(dev); } -static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo, - const char *desc, u32 bustype, u32 hdrlen) +static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) { struct brcmf_bus *bus = NULL; struct brcmf_usbdev *bus_pub = NULL; - int ret; struct device *dev = devinfo->dev; + int ret; + brcmf_dbg(USB, "Enter\n"); bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ); if (!bus_pub) return -ENODEV; @@ -1321,31 +1179,27 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo, goto fail; } + bus->dev = dev; bus_pub->bus = bus; - bus->brcmf_bus_txdata = brcmf_usb_tx; - bus->brcmf_bus_init = brcmf_usb_up; - bus->brcmf_bus_stop = brcmf_usb_down; - bus->brcmf_bus_txctl = brcmf_usb_tx_ctlpkt; - bus->brcmf_bus_rxctl = brcmf_usb_rx_ctlpkt; - bus->type = bustype; bus->bus_priv.usb = bus_pub; dev_set_drvdata(dev, bus); + bus->ops = &brcmf_usb_bus_ops; + bus->proto_type = BRCMF_PROTO_BCDC; + bus->always_use_fws_queue = true; - /* Attach to the common driver interface */ - ret = brcmf_attach(hdrlen, dev); - if (ret) { - brcmf_dbg(ERROR, "dhd_attach failed\n"); - goto fail; - } - - ret = brcmf_bus_start(dev); - if (ret == -ENOLINK) { - brcmf_dbg(ERROR, "dongle is not responding\n"); - brcmf_detach(dev); - goto fail; + if (!brcmf_usb_dlneeded(devinfo)) { + ret = brcmf_usb_bus_setup(devinfo); + if (ret) + goto fail; } + bus->chip = bus_pub->devid; + bus->chiprev = bus_pub->chiprev; + /* request firmware here */ + brcmf_fw_get_firmwares(dev, 0, brcmf_usb_get_fwname(devinfo), NULL, + brcmf_usb_probe_phase2); return 0; + fail: /* Release resources in reverse order */ kfree(bus); @@ -1358,7 +1212,7 @@ brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo) { if (!devinfo) return; - brcmf_dbg(TRACE, "enter: bus_pub %p\n", devinfo); + brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo); brcmf_detach(devinfo->dev); kfree(devinfo->bus_pub.bus); @@ -1376,7 +1230,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) u8 endpoint_num; struct brcmf_usbdev_info *devinfo; - brcmf_dbg(TRACE, "enter\n"); + brcmf_dbg(USB, "Enter\n"); devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC); if (devinfo == NULL) @@ -1415,7 +1269,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) if (IFDESC(usb, CONTROL_IF).bInterfaceClass != USB_CLASS_VENDOR_SPEC || IFDESC(usb, CONTROL_IF).bInterfaceSubClass != 2 || IFDESC(usb, CONTROL_IF).bInterfaceProtocol != 0xff) { - brcmf_dbg(ERROR, "invalid control interface: class %d, subclass %d, proto %d\n", + brcmf_err("invalid control interface: class %d, subclass %d, proto %d\n", IFDESC(usb, CONTROL_IF).bInterfaceClass, IFDESC(usb, CONTROL_IF).bInterfaceSubClass, IFDESC(usb, CONTROL_IF).bInterfaceProtocol); @@ -1427,15 +1281,12 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) endpoint = &IFEPDESC(usb, CONTROL_IF, 0); if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) { - brcmf_dbg(ERROR, "invalid control endpoint %d\n", + brcmf_err("invalid control endpoint %d\n", endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK); ret = -1; goto fail; } - endpoint_num = endpoint->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - devinfo->intr_pipe = usb_rcvintpipe(usb, endpoint_num); - devinfo->rx_pipe = 0; devinfo->rx_pipe2 = 0; devinfo->tx_pipe = 0; @@ -1446,7 +1297,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) endpoint = &IFEPDESC(usb, BULK_IF, ep); if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) { - brcmf_dbg(ERROR, "invalid data endpoint %d\n", ep); + brcmf_err("invalid data endpoint %d\n", ep); ret = -1; goto fail; } @@ -1467,21 +1318,14 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) } } - /* Allocate interrupt URB and data buffer */ - /* RNDIS says 8-byte intr, our old drivers used 4-byte */ - if (IFEPDESC(usb, CONTROL_IF, 0).wMaxPacketSize == cpu_to_le16(16)) - devinfo->intr_size = 8; - else - devinfo->intr_size = 4; - - devinfo->interval = IFEPDESC(usb, CONTROL_IF, 0).bInterval; - - if (usb->speed == USB_SPEED_HIGH) - brcmf_dbg(INFO, "Broadcom high speed USB wireless device detected\n"); + if (usb->speed == USB_SPEED_SUPER) + brcmf_dbg(USB, "Broadcom super speed USB wireless device detected\n"); + else if (usb->speed == USB_SPEED_HIGH) + brcmf_dbg(USB, "Broadcom high speed USB wireless device detected\n"); else - brcmf_dbg(INFO, "Broadcom full speed USB wireless device detected\n"); + brcmf_dbg(USB, "Broadcom full speed USB wireless device detected\n"); - ret = brcmf_usb_probe_cb(devinfo, "", USB_BUS, 0); + ret = brcmf_usb_probe_cb(devinfo); if (ret) goto fail; @@ -1489,7 +1333,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) return 0; fail: - brcmf_dbg(ERROR, "failed with errno %d\n", ret); + brcmf_err("failed with errno %d\n", ret); kfree(devinfo); usb_set_intfdata(intf, NULL); return ret; @@ -1501,38 +1345,48 @@ brcmf_usb_disconnect(struct usb_interface *intf) { struct brcmf_usbdev_info *devinfo; - brcmf_dbg(TRACE, "enter\n"); + brcmf_dbg(USB, "Enter\n"); devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf); brcmf_usb_disconnect_cb(devinfo); kfree(devinfo); + brcmf_dbg(USB, "Exit\n"); } /* - * only need to signal the bus being down and update the suspend state. + * only need to signal the bus being down and update the state. */ static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state) { struct usb_device *usb = interface_to_usbdev(intf); struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); - brcmf_dbg(TRACE, "enter\n"); - devinfo->bus_pub.state = BCMFMAC_USB_STATE_DOWN; - devinfo->suspend_state = USBOS_SUSPEND_STATE_SUSPENDED; + brcmf_dbg(USB, "Enter\n"); + devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP; + brcmf_detach(&usb->dev); return 0; } /* - * mark suspend state active and crank up the bus. + * (re-) start the bus. */ static int brcmf_usb_resume(struct usb_interface *intf) { struct usb_device *usb = interface_to_usbdev(intf); struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); - brcmf_dbg(TRACE, "enter\n"); - devinfo->suspend_state = USBOS_SUSPEND_STATE_DEVICE_ACTIVE; - brcmf_bus_start(&usb->dev); - return 0; + brcmf_dbg(USB, "Enter\n"); + return brcmf_usb_bus_setup(devinfo); +} + +static int brcmf_usb_reset_resume(struct usb_interface *intf) +{ + struct usb_device *usb = interface_to_usbdev(intf); + struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); + brcmf_dbg(USB, "Enter\n"); + + return brcmf_fw_get_firmwares(&usb->dev, 0, + brcmf_usb_get_fwname(devinfo), NULL, + brcmf_usb_probe_phase2); } #define BRCMF_USB_VENDOR_ID_BROADCOM 0x0a5c @@ -1549,12 +1403,12 @@ static struct usb_device_id brcmf_usb_devid_table[] = { { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_BCMFW) }, { } }; + MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table); MODULE_FIRMWARE(BRCMF_USB_43143_FW_NAME); MODULE_FIRMWARE(BRCMF_USB_43236_FW_NAME); MODULE_FIRMWARE(BRCMF_USB_43242_FW_NAME); -/* TODO: suspend and resume entries */ static struct usb_driver brcmf_usbdrvr = { .name = KBUILD_MODNAME, .probe = brcmf_usb_probe, @@ -1562,29 +1416,33 @@ static struct usb_driver brcmf_usbdrvr = { .id_table = brcmf_usb_devid_table, .suspend = brcmf_usb_suspend, .resume = brcmf_usb_resume, + .reset_resume = brcmf_usb_reset_resume, .supports_autosuspend = 1, .disable_hub_initiated_lpm = 1, }; -static void brcmf_release_fw(struct list_head *q) +static int brcmf_usb_reset_device(struct device *dev, void *notused) { - struct brcmf_usb_image *fw_image, *next; - - list_for_each_entry_safe(fw_image, next, q, list) { - vfree(fw_image->image); - list_del_init(&fw_image->list); - } + /* device past is the usb interface so we + * need to use parent here. + */ + brcmf_dev_reset(dev->parent); + return 0; } - void brcmf_usb_exit(void) { + struct device_driver *drv = &brcmf_usbdrvr.drvwrap.driver; + int ret; + + brcmf_dbg(USB, "Enter\n"); + ret = driver_for_each_device(drv, NULL, NULL, + brcmf_usb_reset_device); usb_deregister(&brcmf_usbdrvr); - brcmf_release_fw(&fw_image_list); } -void brcmf_usb_init(void) +void brcmf_usb_register(void) { - INIT_LIST_HEAD(&fw_image_list); + brcmf_dbg(USB, "Enter\n"); usb_register(&brcmf_usbdrvr); } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.h b/drivers/net/wireless/brcm80211/brcmfmac/usb.h index acfa5e89872..f483a8c9945 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.h @@ -17,19 +17,11 @@ #define BRCMFMAC_USB_H enum brcmf_usb_state { - BCMFMAC_USB_STATE_DL_PENDING, - BCMFMAC_USB_STATE_DL_DONE, - BCMFMAC_USB_STATE_UP, - BCMFMAC_USB_STATE_DOWN, - BCMFMAC_USB_STATE_PNP_FWDL, - BCMFMAC_USB_STATE_DISCONNECT, - BCMFMAC_USB_STATE_SLEEP -}; - -enum brcmf_usb_pnp_state { - BCMFMAC_USB_PNP_DISCONNECT, - BCMFMAC_USB_PNP_SLEEP, - BCMFMAC_USB_PNP_RESUME, + BRCMFMAC_USB_STATE_DOWN, + BRCMFMAC_USB_STATE_DL_FAIL, + BRCMFMAC_USB_STATE_DL_DONE, + BRCMFMAC_USB_STATE_UP, + BRCMFMAC_USB_STATE_SLEEP }; struct brcmf_stats { diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index c1abaa6db59..d8fa276e368 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -16,17 +16,9 @@ /* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/kernel.h> -#include <linux/if_arp.h> -#include <linux/sched.h> -#include <linux/kthread.h> -#include <linux/netdevice.h> -#include <linux/bitops.h> #include <linux/etherdevice.h> -#include <linux/ieee80211.h> -#include <linux/uaccess.h> +#include <linux/module.h> #include <net/cfg80211.h> #include <net/netlink.h> @@ -34,7 +26,13 @@ #include <defs.h> #include <brcmu_wifi.h> #include "dhd.h" +#include "dhd_dbg.h" +#include "tracepoint.h" +#include "fwil_types.h" +#include "p2p.h" +#include "btcoex.h" #include "wl_cfg80211.h" +#include "fwil.h" #define BRCMF_SCAN_IE_LEN_MAX 2048 #define BRCMF_PNO_VERSION 2 @@ -48,14 +46,13 @@ #define BRCMF_PNO_SCAN_COMPLETE 1 #define BRCMF_PNO_SCAN_INCOMPLETE 0 -#define TLV_LEN_OFF 1 /* length offset */ -#define TLV_HDR_LEN 2 /* header length */ -#define TLV_BODY_OFF 2 /* body offset */ -#define TLV_OUI_LEN 3 /* oui id length */ +#define BRCMF_IFACE_MAX_CNT 3 + #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */ #define WPA_OUI_TYPE 1 #define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */ #define WME_OUI_TYPE 2 +#define WPS_OUI_TYPE 4 #define VS_IE_FIXED_HDR_LEN 6 #define WPA_IE_VERSION_LEN 2 @@ -81,26 +78,23 @@ #define VNDR_IE_PKTFLAG_OFFSET 8 #define VNDR_IE_VSIE_OFFSET 12 #define VNDR_IE_HDR_SIZE 12 -#define VNDR_IE_BEACON_FLAG 0x1 -#define VNDR_IE_PRBRSP_FLAG 0x2 -#define MAX_VNDR_IE_NUMBER 5 +#define VNDR_IE_PARSE_LIMIT 5 #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */ #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */ +#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320 +#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400 +#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20 + #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) -static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255}; - -static u32 brcmf_dbg_level = WL_DBG_ERR; - -static bool check_sys_up(struct wiphy *wiphy) +static bool check_vif_up(struct brcmf_cfg80211_vif *vif) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - if (!test_bit(WL_STATUS_READY, &cfg->status)) { - WL_INFO("device is not ready : status (%d)\n", - (int)cfg->status); + if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) { + brcmf_dbg(INFO, "device is not ready : status (%lu)\n", + vif->sme_state); return false; } return true; @@ -191,70 +185,13 @@ static struct ieee80211_channel __wl_5ghz_a_channels[] = { CHAN5G(216, 0), }; -static struct ieee80211_channel __wl_5ghz_n_channels[] = { - CHAN5G(32, 0), CHAN5G(34, 0), - CHAN5G(36, 0), CHAN5G(38, 0), - CHAN5G(40, 0), CHAN5G(42, 0), - CHAN5G(44, 0), CHAN5G(46, 0), - CHAN5G(48, 0), CHAN5G(50, 0), - CHAN5G(52, 0), CHAN5G(54, 0), - CHAN5G(56, 0), CHAN5G(58, 0), - CHAN5G(60, 0), CHAN5G(62, 0), - CHAN5G(64, 0), CHAN5G(66, 0), - CHAN5G(68, 0), CHAN5G(70, 0), - CHAN5G(72, 0), CHAN5G(74, 0), - CHAN5G(76, 0), CHAN5G(78, 0), - CHAN5G(80, 0), CHAN5G(82, 0), - CHAN5G(84, 0), CHAN5G(86, 0), - CHAN5G(88, 0), CHAN5G(90, 0), - CHAN5G(92, 0), CHAN5G(94, 0), - CHAN5G(96, 0), CHAN5G(98, 0), - CHAN5G(100, 0), CHAN5G(102, 0), - CHAN5G(104, 0), CHAN5G(106, 0), - CHAN5G(108, 0), CHAN5G(110, 0), - CHAN5G(112, 0), CHAN5G(114, 0), - CHAN5G(116, 0), CHAN5G(118, 0), - CHAN5G(120, 0), CHAN5G(122, 0), - CHAN5G(124, 0), CHAN5G(126, 0), - CHAN5G(128, 0), CHAN5G(130, 0), - CHAN5G(132, 0), CHAN5G(134, 0), - CHAN5G(136, 0), CHAN5G(138, 0), - CHAN5G(140, 0), CHAN5G(142, 0), - CHAN5G(144, 0), CHAN5G(145, 0), - CHAN5G(146, 0), CHAN5G(147, 0), - CHAN5G(148, 0), CHAN5G(149, 0), - CHAN5G(150, 0), CHAN5G(151, 0), - CHAN5G(152, 0), CHAN5G(153, 0), - CHAN5G(154, 0), CHAN5G(155, 0), - CHAN5G(156, 0), CHAN5G(157, 0), - CHAN5G(158, 0), CHAN5G(159, 0), - CHAN5G(160, 0), CHAN5G(161, 0), - CHAN5G(162, 0), CHAN5G(163, 0), - CHAN5G(164, 0), CHAN5G(165, 0), - CHAN5G(166, 0), CHAN5G(168, 0), - CHAN5G(170, 0), CHAN5G(172, 0), - CHAN5G(174, 0), CHAN5G(176, 0), - CHAN5G(178, 0), CHAN5G(180, 0), - CHAN5G(182, 0), CHAN5G(184, 0), - CHAN5G(186, 0), CHAN5G(188, 0), - CHAN5G(190, 0), CHAN5G(192, 0), - CHAN5G(194, 0), CHAN5G(196, 0), - CHAN5G(198, 0), CHAN5G(200, 0), - CHAN5G(202, 0), CHAN5G(204, 0), - CHAN5G(206, 0), CHAN5G(208, 0), - CHAN5G(210, 0), CHAN5G(212, 0), - CHAN5G(214, 0), CHAN5G(216, 0), - CHAN5G(218, 0), CHAN5G(220, 0), - CHAN5G(222, 0), CHAN5G(224, 0), - CHAN5G(226, 0), CHAN5G(228, 0), -}; - static struct ieee80211_supported_band __wl_band_2ghz = { .band = IEEE80211_BAND_2GHZ, .channels = __wl_2ghz_channels, .n_channels = ARRAY_SIZE(__wl_2ghz_channels), .bitrates = wl_g_rates, .n_bitrates = wl_g_rates_size, + .ht_cap = {IEEE80211_HT_CAP_SUP_WIDTH_20_40, true}, }; static struct ieee80211_supported_band __wl_band_5ghz_a = { @@ -265,12 +202,28 @@ static struct ieee80211_supported_band __wl_band_5ghz_a = { .n_bitrates = wl_a_rates_size, }; -static struct ieee80211_supported_band __wl_band_5ghz_n = { - .band = IEEE80211_BAND_5GHZ, - .channels = __wl_5ghz_n_channels, - .n_channels = ARRAY_SIZE(__wl_5ghz_n_channels), - .bitrates = wl_a_rates, - .n_bitrates = wl_a_rates_size, +/* This is to override regulatory domains defined in cfg80211 module (reg.c) + * By default world regulatory domain defined in reg.c puts the flags + * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165). + * With respect to these flags, wpa_supplicant doesn't * start p2p + * operations on 5GHz channels. All the changes in world regulatory + * domain are to be done here. + */ +static const struct ieee80211_regdomain brcmf_regdom = { + .n_reg_rules = 4, + .alpha2 = "99", + .reg_rules = { + /* IEEE 802.11b/g, channels 1..11 */ + REG_RULE(2412-10, 2472+10, 40, 6, 20, 0), + /* If any */ + /* IEEE 802.11 channel 14 - Only JP enables + * this and for 802.11b only + */ + REG_RULE(2484-10, 2484+10, 20, 6, 20, 0), + /* IEEE 802.11a, channel 36..64 */ + REG_RULE(5150-10, 5350+10, 80, 6, 20, 0), + /* IEEE 802.11a, channel 100..165 */ + REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), } }; static const u32 __wl_cipher_suites[] = { @@ -281,13 +234,6 @@ static const u32 __wl_cipher_suites[] = { WLAN_CIPHER_SUITE_AES_CMAC, }; -/* tag_ID/length/value_buffer tuple */ -struct brcmf_tlv { - u8 id; - u8 len; - u8 data[1]; -}; - /* Vendor specific ie. id = 221, oui and type defines exact ie */ struct brcmf_vs_tlv { u8 id; @@ -304,9 +250,13 @@ struct parsed_vndr_ie_info { struct parsed_vndr_ies { u32 count; - struct parsed_vndr_ie_info ie_info[MAX_VNDR_IE_NUMBER]; + struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT]; }; +static int brcmf_roamoff; +module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR); +MODULE_PARM_DESC(roamoff, "do not use internal roaming engine"); + /* Quarter dBm units to mW * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153 * Table is offset so the last entry is largest mW value that fits in @@ -391,57 +341,150 @@ static u8 brcmf_mw_to_qdbm(u16 mw) return qdbm; } -/* function for reading/writing a single u32 from/to the dongle */ -static int -brcmf_exec_dcmd_u32(struct net_device *ndev, u32 cmd, u32 *par) +static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, + struct cfg80211_chan_def *ch) { - int err; - __le32 par_le = cpu_to_le32(*par); + struct brcmu_chan ch_inf; + s32 primary_offset; - err = brcmf_exec_dcmd(ndev, cmd, &par_le, sizeof(__le32)); - *par = le32_to_cpu(par_le); + brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n", + ch->chan->center_freq, ch->center_freq1, ch->width); + ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1); + primary_offset = ch->center_freq1 - ch->chan->center_freq; + switch (ch->width) { + case NL80211_CHAN_WIDTH_20: + ch_inf.bw = BRCMU_CHAN_BW_20; + WARN_ON(primary_offset != 0); + break; + case NL80211_CHAN_WIDTH_40: + ch_inf.bw = BRCMU_CHAN_BW_40; + if (primary_offset < 0) + ch_inf.sb = BRCMU_CHAN_SB_U; + else + ch_inf.sb = BRCMU_CHAN_SB_L; + break; + case NL80211_CHAN_WIDTH_80: + ch_inf.bw = BRCMU_CHAN_BW_80; + if (primary_offset < 0) { + if (primary_offset < -CH_10MHZ_APART) + ch_inf.sb = BRCMU_CHAN_SB_UU; + else + ch_inf.sb = BRCMU_CHAN_SB_UL; + } else { + if (primary_offset > CH_10MHZ_APART) + ch_inf.sb = BRCMU_CHAN_SB_LL; + else + ch_inf.sb = BRCMU_CHAN_SB_LU; + } + break; + default: + WARN_ON_ONCE(1); + } + switch (ch->chan->band) { + case IEEE80211_BAND_2GHZ: + ch_inf.band = BRCMU_CHAN_BAND_2G; + break; + case IEEE80211_BAND_5GHZ: + ch_inf.band = BRCMU_CHAN_BAND_5G; + break; + default: + WARN_ON_ONCE(1); + } + d11inf->encchspec(&ch_inf); - return err; + return ch_inf.chspec; } -static s32 -brcmf_dev_iovar_setbuf_bsscfg(struct net_device *ndev, s8 *name, - void *param, s32 paramlen, - void *buf, s32 buflen, s32 bssidx) -{ - s32 err = -ENOMEM; - u32 len; - - len = brcmf_c_mkiovar_bsscfg(name, param, paramlen, - buf, buflen, bssidx); - BUG_ON(!len); - if (len > 0) - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len); - if (err) - WL_ERR("error (%d)\n", err); +u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, + struct ieee80211_channel *ch) +{ + struct brcmu_chan ch_inf; - return err; + ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq); + ch_inf.bw = BRCMU_CHAN_BW_20; + d11inf->encchspec(&ch_inf); + + return ch_inf.chspec; } -static s32 -brcmf_dev_iovar_getbuf_bsscfg(struct net_device *ndev, s8 *name, - void *param, s32 paramlen, - void *buf, s32 buflen, s32 bssidx) -{ - s32 err = -ENOMEM; - u32 len; - - len = brcmf_c_mkiovar_bsscfg(name, param, paramlen, - buf, buflen, bssidx); - BUG_ON(!len); - if (len > 0) - err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, buf, len); - if (err) - WL_ERR("error (%d)\n", err); +/* Traverse a string of 1-byte tag/1-byte length/variable-length value + * triples, returning a pointer to the substring whose first element + * matches tag + */ +const struct brcmf_tlv * +brcmf_parse_tlvs(const void *buf, int buflen, uint key) +{ + const struct brcmf_tlv *elt = buf; + int totlen = buflen; - return err; + /* find tagged parameter */ + while (totlen >= TLV_HDR_LEN) { + int len = elt->len; + + /* validate remaining totlen */ + if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) + return elt; + + elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN)); + totlen -= (len + TLV_HDR_LEN); + } + + return NULL; +} + +/* Is any of the tlvs the expected entry? If + * not update the tlvs buffer pointer/length. + */ +static bool +brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, + const u8 *oui, u32 oui_len, u8 type) +{ + /* If the contents match the OUI and the type */ + if (ie[TLV_LEN_OFF] >= oui_len + 1 && + !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && + type == ie[TLV_BODY_OFF + oui_len]) { + return true; + } + + if (tlvs == NULL) + return false; + /* point to the next ie */ + ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; + /* calculate the length of the rest of the buffer */ + *tlvs_len -= (int)(ie - *tlvs); + /* update the pointer to the start of the buffer */ + *tlvs = ie; + + return false; } +static struct brcmf_vs_tlv * +brcmf_find_wpaie(const u8 *parse, u32 len) +{ + const struct brcmf_tlv *ie; + + while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { + if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len, + WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) + return (struct brcmf_vs_tlv *)ie; + } + return NULL; +} + +static struct brcmf_vs_tlv * +brcmf_find_wpsie(const u8 *parse, u32 len) +{ + const struct brcmf_tlv *ie; + + while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { + if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, + WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE)) + return (struct brcmf_vs_tlv *)ie; + } + return NULL; +} + + static void convert_key_from_CPU(struct brcmf_wsec_key *key, struct brcmf_wsec_key_le *key_le) { @@ -457,393 +500,284 @@ static void convert_key_from_CPU(struct brcmf_wsec_key *key, } static int -send_key_to_dongle(struct brcmf_cfg80211_info *cfg, s32 bssidx, - struct net_device *ndev, struct brcmf_wsec_key *key) +send_key_to_dongle(struct net_device *ndev, struct brcmf_wsec_key *key) { int err; struct brcmf_wsec_key_le key_le; convert_key_from_CPU(key, &key_le); - err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "wsec_key", &key_le, - sizeof(key_le), - cfg->extra_buf, - WL_EXTRA_BUF_MAX, bssidx); + brcmf_netdev_wait_pend8021x(ndev); + + err = brcmf_fil_bsscfg_data_set(netdev_priv(ndev), "wsec_key", &key_le, + sizeof(key_le)); if (err) - WL_ERR("wsec_key error (%d)\n", err); + brcmf_err("wsec_key error (%d)\n", err); return err; } static s32 -brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) +brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - s32 infra = 0; - s32 ap = 0; - s32 err = 0; - - WL_TRACE("Enter, ndev=%p, type=%d\n", ndev, type); + s32 err; + u32 mode; - switch (type) { - case NL80211_IFTYPE_MONITOR: - case NL80211_IFTYPE_WDS: - WL_ERR("type (%d) : currently we do not support this type\n", - type); - return -EOPNOTSUPP; - case NL80211_IFTYPE_ADHOC: - cfg->conf->mode = WL_MODE_IBSS; - infra = 0; - break; - case NL80211_IFTYPE_STATION: - cfg->conf->mode = WL_MODE_BSS; - infra = 1; - break; - case NL80211_IFTYPE_AP: - cfg->conf->mode = WL_MODE_AP; - ap = 1; - break; - default: - err = -EINVAL; - goto done; - } + if (enable) + mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY; + else + mode = 0; - if (ap) { - set_bit(WL_STATUS_AP_CREATING, &cfg->status); - if (!cfg->ap_info) - cfg->ap_info = kzalloc(sizeof(*cfg->ap_info), - GFP_KERNEL); - if (!cfg->ap_info) { - err = -ENOMEM; - goto done; - } - WL_INFO("IF Type = AP\n"); + /* Try to set and enable ARP offload feature, this may fail, then it */ + /* is simply not supported and err 0 will be returned */ + err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode); + if (err) { + brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n", + mode, err); + err = 0; } else { - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra); + err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable); if (err) { - WL_ERR("WLC_SET_INFRA error (%d)\n", err); - err = -EAGAIN; - goto done; - } - WL_INFO("IF Type = %s\n", - (cfg->conf->mode == WL_MODE_IBSS) ? - "Adhoc" : "Infra"); + brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n", + enable, err); + err = 0; + } else + brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n", + enable, mode); } - ndev->ieee80211_ptr->iftype = type; - -done: - WL_TRACE("Exit\n"); return err; } -static s32 brcmf_dev_intvar_set(struct net_device *ndev, s8 *name, s32 val) +static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif) { - s8 buf[BRCMF_DCMD_SMLEN]; - u32 len; - s32 err = 0; - __le32 val_le; - - val_le = cpu_to_le32(val); - len = brcmf_c_mkiovar(name, (char *)(&val_le), sizeof(val_le), buf, - sizeof(buf)); - BUG_ON(!len); - - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len); - if (err) - WL_ERR("error (%d)\n", err); + enum nl80211_iftype iftype; - return err; -} - -static s32 -brcmf_dev_intvar_get(struct net_device *ndev, s8 *name, s32 *retval) -{ - union { - s8 buf[BRCMF_DCMD_SMLEN]; - __le32 val; - } var; - u32 len; - u32 data_null; - s32 err = 0; - - len = - brcmf_c_mkiovar(name, (char *)(&data_null), 0, (char *)(&var), - sizeof(var.buf)); - BUG_ON(!len); - err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, &var, len); - if (err) - WL_ERR("error (%d)\n", err); - - *retval = le32_to_cpu(var.val); - - return err; + iftype = vif->wdev.iftype; + return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO; } -static s32 -brcmf_dev_intvar_set_bsscfg(struct net_device *ndev, s8 *name, u32 val, - s32 bssidx) +static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif) { - s8 buf[BRCMF_DCMD_SMLEN]; - __le32 val_le; - - val_le = cpu_to_le32(val); - - return brcmf_dev_iovar_setbuf_bsscfg(ndev, name, &val_le, - sizeof(val_le), buf, sizeof(buf), - bssidx); + return vif->wdev.iftype == NL80211_IFTYPE_ADHOC; } -static s32 -brcmf_dev_intvar_get_bsscfg(struct net_device *ndev, s8 *name, s32 *val, - s32 bssidx) +static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, + const char *name, + enum nl80211_iftype type, + u32 *flags, + struct vif_params *params) { - s8 buf[BRCMF_DCMD_SMLEN]; - s32 err; - __le32 val_le; - - memset(buf, 0, sizeof(buf)); - err = brcmf_dev_iovar_getbuf_bsscfg(ndev, name, val, sizeof(*val), buf, - sizeof(buf), bssidx); - if (err == 0) { - memcpy(&val_le, buf, sizeof(val_le)); - *val = le32_to_cpu(val_le); + brcmf_dbg(TRACE, "enter: %s type %d\n", name, type); + switch (type) { + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_WDS: + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_MESH_POINT: + return ERR_PTR(-EOPNOTSUPP); + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_P2P_DEVICE: + return brcmf_p2p_add_vif(wiphy, name, type, flags, params); + case NL80211_IFTYPE_UNSPECIFIED: + default: + return ERR_PTR(-EINVAL); } - return err; } - -/* - * For now brcmf_find_bssidx will return 0. Once p2p gets implemented this - * should return the ndev matching bssidx. - */ -static s32 -brcmf_find_bssidx(struct brcmf_cfg80211_info *cfg, struct net_device *ndev) -{ - return 0; -} - -static void brcmf_set_mpc(struct net_device *ndev, int mpc) +void brcmf_set_mpc(struct brcmf_if *ifp, int mpc) { s32 err = 0; - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); - if (test_bit(WL_STATUS_READY, &cfg->status)) { - err = brcmf_dev_intvar_set(ndev, "mpc", mpc); + if (check_vif_up(ifp->vif)) { + err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc); if (err) { - WL_ERR("fail to set mpc\n"); + brcmf_err("fail to set mpc\n"); return; } - WL_INFO("MPC : %d\n", mpc); + brcmf_dbg(INFO, "MPC : %d\n", mpc); } } -static void brcmf_iscan_prep(struct brcmf_scan_params_le *params_le, - struct brcmf_ssid *ssid) +s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, + struct brcmf_if *ifp, bool aborted, + bool fw_abort) { - memcpy(params_le->bssid, ether_bcast, ETH_ALEN); - params_le->bss_type = DOT11_BSSTYPE_ANY; - params_le->scan_type = 0; - params_le->channel_num = 0; - params_le->nprobes = cpu_to_le32(-1); - params_le->active_time = cpu_to_le32(-1); - params_le->passive_time = cpu_to_le32(-1); - params_le->home_time = cpu_to_le32(-1); - if (ssid && ssid->SSID_len) { - params_le->ssid_le.SSID_len = cpu_to_le32(ssid->SSID_len); - memcpy(¶ms_le->ssid_le.SSID, ssid->SSID, ssid->SSID_len); - } -} - -static s32 -brcmf_dev_iovar_setbuf(struct net_device *ndev, s8 * iovar, void *param, - s32 paramlen, void *bufptr, s32 buflen) -{ - s32 iolen; - - iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen); - BUG_ON(!iolen); - - return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, bufptr, iolen); -} - -static s32 -brcmf_dev_iovar_getbuf(struct net_device *ndev, s8 * iovar, void *param, - s32 paramlen, void *bufptr, s32 buflen) -{ - s32 iolen; - - iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen); - BUG_ON(!iolen); + struct brcmf_scan_params_le params_le; + struct cfg80211_scan_request *scan_request; + s32 err = 0; - return brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, bufptr, buflen); -} + brcmf_dbg(SCAN, "Enter\n"); -static s32 -brcmf_run_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan, - struct brcmf_ssid *ssid, u16 action) -{ - s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + - offsetof(struct brcmf_iscan_params_le, params_le); - struct brcmf_iscan_params_le *params; - s32 err = 0; + /* clear scan request, because the FW abort can cause a second call */ + /* to this functon and might cause a double cfg80211_scan_done */ + scan_request = cfg->scan_request; + cfg->scan_request = NULL; - if (ssid && ssid->SSID_len) - params_size += sizeof(struct brcmf_ssid); - params = kzalloc(params_size, GFP_KERNEL); - if (!params) - return -ENOMEM; - BUG_ON(params_size >= BRCMF_DCMD_SMLEN); + if (timer_pending(&cfg->escan_timeout)) + del_timer_sync(&cfg->escan_timeout); - brcmf_iscan_prep(¶ms->params_le, ssid); + if (fw_abort) { + /* Do a scan abort to stop the driver's scan engine */ + brcmf_dbg(SCAN, "ABORT scan in firmware\n"); + memset(¶ms_le, 0, sizeof(params_le)); + memset(params_le.bssid, 0xFF, ETH_ALEN); + params_le.bss_type = DOT11_BSSTYPE_ANY; + params_le.scan_type = 0; + params_le.channel_num = cpu_to_le32(1); + params_le.nprobes = cpu_to_le32(1); + params_le.active_time = cpu_to_le32(-1); + params_le.passive_time = cpu_to_le32(-1); + params_le.home_time = cpu_to_le32(-1); + /* Scan is aborted by setting channel_list[0] to -1 */ + params_le.channel_list[0] = cpu_to_le16(-1); + /* E-Scan (or anyother type) can be aborted by SCAN */ + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, + ¶ms_le, sizeof(params_le)); + if (err) + brcmf_err("Scan abort failed\n"); + } - params->version = cpu_to_le32(BRCMF_ISCAN_REQ_VERSION); - params->action = cpu_to_le16(action); - params->scan_duration = cpu_to_le16(0); + brcmf_set_mpc(ifp, 1); - err = brcmf_dev_iovar_setbuf(iscan->ndev, "iscan", params, params_size, - iscan->dcmd_buf, BRCMF_DCMD_SMLEN); - if (err) { - if (err == -EBUSY) - WL_INFO("system busy : iscan canceled\n"); - else - WL_ERR("error (%d)\n", err); + /* + * e-scan can be initiated by scheduled scan + * which takes precedence. + */ + if (cfg->sched_escan) { + brcmf_dbg(SCAN, "scheduled scan completed\n"); + cfg->sched_escan = false; + if (!aborted) + cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); + } else if (scan_request) { + brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n", + aborted ? "Aborted" : "Done"); + cfg80211_scan_done(scan_request, aborted); } + if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) + brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n"); - kfree(params); return err; } -static s32 brcmf_do_iscan(struct brcmf_cfg80211_info *cfg) +static +int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) { - struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_ssid ssid; - __le32 passive_scan; - s32 err = 0; + struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); + struct net_device *ndev = wdev->netdev; - /* Broadcast scan by default */ - memset(&ssid, 0, sizeof(ssid)); + /* vif event pending in firmware */ + if (brcmf_cfg80211_vif_event_armed(cfg)) + return -EBUSY; - iscan->state = WL_ISCAN_STATE_SCANING; + if (ndev) { + if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) && + cfg->escan_info.ifp == netdev_priv(ndev)) + brcmf_notify_escan_complete(cfg, netdev_priv(ndev), + true, true); - passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); - err = brcmf_exec_dcmd(cfg_to_ndev(cfg), BRCMF_C_SET_PASSIVE_SCAN, - &passive_scan, sizeof(passive_scan)); - if (err) { - WL_ERR("error (%d)\n", err); - return err; + brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1); } - brcmf_set_mpc(ndev, 0); - cfg->iscan_kickstart = true; - err = brcmf_run_iscan(iscan, &ssid, BRCMF_SCAN_ACTION_START); - if (err) { - brcmf_set_mpc(ndev, 1); - cfg->iscan_kickstart = false; - return err; + + switch (wdev->iftype) { + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_WDS: + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_MESH_POINT: + return -EOPNOTSUPP; + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_P2P_DEVICE: + return brcmf_p2p_del_vif(wiphy, wdev); + case NL80211_IFTYPE_UNSPECIFIED: + default: + return -EINVAL; } - mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); - iscan->timer_on = 1; - return err; + return -EOPNOTSUPP; } static s32 -brcmf_cfg80211_iscan(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_scan_request *request, - struct cfg80211_ssid *this_ssid) +brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) { - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); - struct cfg80211_ssid *ssids; - struct brcmf_cfg80211_scan_req *sr = cfg->scan_req_int; - __le32 passive_scan; - bool iscan_req; - bool spec_scan; + struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_vif *vif = ifp->vif; + s32 infra = 0; + s32 ap = 0; s32 err = 0; - u32 SSID_len; - if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { - WL_ERR("Scanning already : status (%lu)\n", cfg->status); - return -EAGAIN; - } - if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg->status)) { - WL_ERR("Scanning being aborted : status (%lu)\n", - cfg->status); - return -EAGAIN; - } - if (test_bit(WL_STATUS_CONNECTING, &cfg->status)) { - WL_ERR("Connecting : status (%lu)\n", - cfg->status); - return -EAGAIN; - } + brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type); - iscan_req = false; - spec_scan = false; - if (request) { - /* scan bss */ - ssids = request->ssids; - if (cfg->iscan_on && (!ssids || !ssids->ssid_len)) - iscan_req = true; - } else { - /* scan in ibss */ - /* we don't do iscan in ibss */ - ssids = this_ssid; + switch (type) { + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_WDS: + brcmf_err("type (%d) : currently we do not support this type\n", + type); + return -EOPNOTSUPP; + case NL80211_IFTYPE_ADHOC: + infra = 0; + break; + case NL80211_IFTYPE_STATION: + /* Ignore change for p2p IF. Unclear why supplicant does this */ + if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) || + (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) { + brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n"); + /* WAR: It is unexpected to get a change of VIF for P2P + * IF, but it happens. The request can not be handled + * but returning EPERM causes a crash. Returning 0 + * without setting ieee80211_ptr->iftype causes trace + * (WARN_ON) but it works with wpa_supplicant + */ + return 0; + } + infra = 1; + break; + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + ap = 1; + break; + default: + err = -EINVAL; + goto done; } - cfg->scan_request = request; - set_bit(WL_STATUS_SCANNING, &cfg->status); - if (iscan_req) { - err = brcmf_do_iscan(cfg); - if (!err) - return err; - else - goto scan_out; - } else { - WL_SCAN("ssid \"%s\", ssid_len (%d)\n", - ssids->ssid, ssids->ssid_len); - memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); - SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); - sr->ssid_le.SSID_len = cpu_to_le32(0); - if (SSID_len) { - memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); - sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); - spec_scan = true; - } else { - WL_SCAN("Broadcast scan\n"); + if (ap) { + if (type == NL80211_IFTYPE_P2P_GO) { + brcmf_dbg(INFO, "IF Type = P2P GO\n"); + err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO); } - - passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, - &passive_scan, sizeof(passive_scan)); - if (err) { - WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err); - goto scan_out; + if (!err) { + set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state); + brcmf_dbg(INFO, "IF Type = AP\n"); } - brcmf_set_mpc(ndev, 0); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le, - sizeof(sr->ssid_le)); + } else { + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra); if (err) { - if (err == -EBUSY) - WL_INFO("system busy : scan for \"%s\" " - "canceled\n", sr->ssid_le.SSID); - else - WL_ERR("WLC_SCAN error (%d)\n", err); - - brcmf_set_mpc(ndev, 1); - goto scan_out; + brcmf_err("WLC_SET_INFRA error (%d)\n", err); + err = -EAGAIN; + goto done; } + brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ? + "Adhoc" : "Infra"); } + ndev->ieee80211_ptr->iftype = type; - return 0; +done: + brcmf_dbg(TRACE, "Exit\n"); -scan_out: - clear_bit(WL_STATUS_SCANNING, &cfg->status); - cfg->scan_request = NULL; return err; } -static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, +static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg, + struct brcmf_scan_params_le *params_le, struct cfg80211_scan_request *request) { u32 n_ssids; @@ -851,12 +785,10 @@ static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, s32 i; s32 offset; u16 chanspec; - u16 channel; - struct ieee80211_channel *req_channel; char *ptr; struct brcmf_ssid_le ssid_le; - memcpy(params_le->bssid, ether_bcast, ETH_ALEN); + memset(params_le->bssid, 0xFF, ETH_ALEN); params_le->bss_type = DOT11_BSSTYPE_ANY; params_le->scan_type = 0; params_le->channel_num = 0; @@ -873,40 +805,21 @@ static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, n_ssids = request->n_ssids; n_channels = request->n_channels; /* Copy channel array if applicable */ - WL_SCAN("### List of channelspecs to scan ### %d\n", n_channels); + brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n", + n_channels); if (n_channels > 0) { for (i = 0; i < n_channels; i++) { - chanspec = 0; - req_channel = request->channels[i]; - channel = ieee80211_frequency_to_channel( - req_channel->center_freq); - if (req_channel->band == IEEE80211_BAND_2GHZ) - chanspec |= WL_CHANSPEC_BAND_2G; - else - chanspec |= WL_CHANSPEC_BAND_5G; - - if (req_channel->flags & IEEE80211_CHAN_NO_HT40) { - chanspec |= WL_CHANSPEC_BW_20; - chanspec |= WL_CHANSPEC_CTL_SB_NONE; - } else { - chanspec |= WL_CHANSPEC_BW_40; - if (req_channel->flags & - IEEE80211_CHAN_NO_HT40PLUS) - chanspec |= WL_CHANSPEC_CTL_SB_LOWER; - else - chanspec |= WL_CHANSPEC_CTL_SB_UPPER; - } - - chanspec |= (channel & WL_CHANSPEC_CHAN_MASK); - WL_SCAN("Chan : %d, Channel spec: %x\n", - channel, chanspec); + chanspec = channel_to_chanspec(&cfg->d11inf, + request->channels[i]); + brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n", + request->channels[i]->hw_value, chanspec); params_le->channel_list[i] = cpu_to_le16(chanspec); } } else { - WL_SCAN("Scanning all channels\n"); + brcmf_dbg(SCAN, "Scanning all channels\n"); } /* Copy ssid array if applicable */ - WL_SCAN("### List of SSIDs to scan ### %d\n", n_ssids); + brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids); if (n_ssids > 0) { offset = offsetof(struct brcmf_scan_params_le, channel_list) + n_channels * sizeof(u16); @@ -919,18 +832,19 @@ static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, memcpy(ssid_le.SSID, request->ssids[i].ssid, request->ssids[i].ssid_len); if (!ssid_le.SSID_len) - WL_SCAN("%d: Broadcast scan\n", i); + brcmf_dbg(SCAN, "%d: Broadcast scan\n", i); else - WL_SCAN("%d: scan for %s size =%d\n", i, - ssid_le.SSID, ssid_le.SSID_len); + brcmf_dbg(SCAN, "%d: scan for %s size =%d\n", + i, ssid_le.SSID, ssid_le.SSID_len); memcpy(ptr, &ssid_le, sizeof(ssid_le)); ptr += sizeof(ssid_le); } } else { - WL_SCAN("Broadcast scan %p\n", request->ssids); + brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids); if ((request->ssids) && request->ssids->ssid_len) { - WL_SCAN("SSID %s len=%d\n", params_le->ssid_le.SSID, - request->ssids->ssid_len); + brcmf_dbg(SCAN, "SSID %s len=%d\n", + params_le->ssid_le.SSID, + request->ssids->ssid_len); params_le->ssid_le.SSID_len = cpu_to_le32(request->ssids->ssid_len); memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid, @@ -944,70 +858,7 @@ static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, } static s32 -brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, - bool aborted, bool fw_abort) -{ - struct brcmf_scan_params_le params_le; - struct cfg80211_scan_request *scan_request; - s32 err = 0; - - WL_SCAN("Enter\n"); - - /* clear scan request, because the FW abort can cause a second call */ - /* to this functon and might cause a double cfg80211_scan_done */ - scan_request = cfg->scan_request; - cfg->scan_request = NULL; - - if (timer_pending(&cfg->escan_timeout)) - del_timer_sync(&cfg->escan_timeout); - - if (fw_abort) { - /* Do a scan abort to stop the driver's scan engine */ - WL_SCAN("ABORT scan in firmware\n"); - memset(¶ms_le, 0, sizeof(params_le)); - memcpy(params_le.bssid, ether_bcast, ETH_ALEN); - params_le.bss_type = DOT11_BSSTYPE_ANY; - params_le.scan_type = 0; - params_le.channel_num = cpu_to_le32(1); - params_le.nprobes = cpu_to_le32(1); - params_le.active_time = cpu_to_le32(-1); - params_le.passive_time = cpu_to_le32(-1); - params_le.home_time = cpu_to_le32(-1); - /* Scan is aborted by setting channel_list[0] to -1 */ - params_le.channel_list[0] = cpu_to_le16(-1); - /* E-Scan (or anyother type) can be aborted by SCAN */ - err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, ¶ms_le, - sizeof(params_le)); - if (err) - WL_ERR("Scan abort failed\n"); - } - /* - * e-scan can be initiated by scheduled scan - * which takes precedence. - */ - if (cfg->sched_escan) { - WL_SCAN("scheduled scan completed\n"); - cfg->sched_escan = false; - if (!aborted) - cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); - brcmf_set_mpc(ndev, 1); - } else if (scan_request) { - WL_SCAN("ESCAN Completed scan: %s\n", - aborted ? "Aborted" : "Done"); - cfg80211_scan_done(scan_request, aborted); - brcmf_set_mpc(ndev, 1); - } - if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) { - WL_ERR("Scan complete while device not scanning\n"); - return -EPERM; - } - - return err; -} - -static s32 -brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, +brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, struct cfg80211_scan_request *request, u16 action) { s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + @@ -1015,7 +866,7 @@ brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, struct brcmf_escan_params_le *params; s32 err = 0; - WL_SCAN("E-SCAN START\n"); + brcmf_dbg(SCAN, "E-SCAN START\n"); if (request != NULL) { /* Allocate space for populating ssids in struct */ @@ -1031,18 +882,17 @@ brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, goto exit; } BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN); - brcmf_escan_prep(¶ms->params_le, request); + brcmf_escan_prep(cfg, ¶ms->params_le, request); params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); params->action = cpu_to_le16(action); params->sync_id = cpu_to_le16(0x1234); - err = brcmf_dev_iovar_setbuf(ndev, "escan", params, params_size, - cfg->escan_ioctl_buf, BRCMF_DCMD_MEDLEN); + err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size); if (err) { if (err == -EBUSY) - WL_INFO("system busy : escan canceled\n"); + brcmf_dbg(INFO, "system busy : escan canceled\n"); else - WL_ERR("error (%d)\n", err); + brcmf_err("error (%d)\n", err); } kfree(params); @@ -1052,66 +902,76 @@ exit: static s32 brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy, - struct net_device *ndev, struct cfg80211_scan_request *request) + struct brcmf_if *ifp, struct cfg80211_scan_request *request) { s32 err; - __le32 passive_scan; + u32 passive_scan; struct brcmf_scan_results *results; + struct escan_info *escan = &cfg->escan_info; - WL_SCAN("Enter\n"); - cfg->escan_info.ndev = ndev; - cfg->escan_info.wiphy = wiphy; - cfg->escan_info.escan_state = WL_ESCAN_STATE_SCANNING; - passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, - &passive_scan, sizeof(passive_scan)); + brcmf_dbg(SCAN, "Enter\n"); + escan->ifp = ifp; + escan->wiphy = wiphy; + escan->escan_state = WL_ESCAN_STATE_SCANNING; + passive_scan = cfg->active_scan ? 0 : 1; + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, + passive_scan); if (err) { - WL_ERR("error (%d)\n", err); + brcmf_err("error (%d)\n", err); return err; } - brcmf_set_mpc(ndev, 0); + brcmf_set_mpc(ifp, 0); results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; results->version = 0; results->count = 0; results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; - err = brcmf_run_escan(cfg, ndev, request, WL_ESCAN_ACTION_START); + err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START); if (err) - brcmf_set_mpc(ndev, 1); + brcmf_set_mpc(ifp, 1); return err; } static s32 -brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev, +brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif, struct cfg80211_scan_request *request, struct cfg80211_ssid *this_ssid) { - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); + struct brcmf_if *ifp = vif->ifp; + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); struct cfg80211_ssid *ssids; - struct brcmf_cfg80211_scan_req *sr = cfg->scan_req_int; - __le32 passive_scan; + struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int; + u32 passive_scan; bool escan_req; bool spec_scan; s32 err; u32 SSID_len; - WL_SCAN("START ESCAN\n"); + brcmf_dbg(SCAN, "START ESCAN\n"); - if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { - WL_ERR("Scanning already : status (%lu)\n", cfg->status); + if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { + brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); + return -EAGAIN; + } + if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) { + brcmf_err("Scanning being aborted: status (%lu)\n", + cfg->scan_status); return -EAGAIN; } - if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg->status)) { - WL_ERR("Scanning being aborted : status (%lu)\n", - cfg->status); + if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { + brcmf_err("Scanning suppressed: status (%lu)\n", + cfg->scan_status); return -EAGAIN; } - if (test_bit(WL_STATUS_CONNECTING, &cfg->status)) { - WL_ERR("Connecting : status (%lu)\n", - cfg->status); + if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) { + brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state); return -EAGAIN; } + /* If scan req comes for p2p0, send it over primary I/F */ + if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) + vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; + /* Arm scan timeout timer */ mod_timer(&cfg->escan_timeout, jiffies + WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); @@ -1128,16 +988,19 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev, } cfg->scan_request = request; - set_bit(WL_STATUS_SCANNING, &cfg->status); + set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); if (escan_req) { - err = brcmf_do_escan(cfg, wiphy, ndev, request); - if (!err) - return err; - else + cfg->escan_info.run = brcmf_run_escan; + err = brcmf_p2p_scan_prep(wiphy, request, vif); + if (err) + goto scan_out; + + err = brcmf_do_escan(cfg, wiphy, vif->ifp, request); + if (err) goto scan_out; } else { - WL_SCAN("ssid \"%s\", ssid_len (%d)\n", - ssids->ssid, ssids->ssid_len); + brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n", + ssids->ssid, ssids->ssid_len); memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); sr->ssid_le.SSID_len = cpu_to_le32(0); @@ -1147,26 +1010,26 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev, sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); spec_scan = true; } else - WL_SCAN("Broadcast scan\n"); + brcmf_dbg(SCAN, "Broadcast scan\n"); - passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, - &passive_scan, sizeof(passive_scan)); + passive_scan = cfg->active_scan ? 0 : 1; + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, + passive_scan); if (err) { - WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err); + brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err); goto scan_out; } - brcmf_set_mpc(ndev, 0); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le, - sizeof(sr->ssid_le)); + brcmf_set_mpc(ifp, 0); + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, + &sr->ssid_le, sizeof(sr->ssid_le)); if (err) { if (err == -EBUSY) - WL_INFO("BUSY: scan for \"%s\" canceled\n", - sr->ssid_le.SSID); + brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n", + sr->ssid_le.SSID); else - WL_ERR("WLC_SCAN error (%d)\n", err); + brcmf_err("WLC_SCAN error (%d)\n", err); - brcmf_set_mpc(ndev, 1); + brcmf_set_mpc(ifp, 1); goto scan_out; } } @@ -1174,7 +1037,7 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev, return 0; scan_out: - clear_bit(WL_STATUS_SCANNING, &cfg->status); + clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); if (timer_pending(&cfg->escan_timeout)) del_timer_sync(&cfg->escan_timeout); cfg->scan_request = NULL; @@ -1182,27 +1045,22 @@ scan_out: } static s32 -brcmf_cfg80211_scan(struct wiphy *wiphy, - struct cfg80211_scan_request *request) +brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) { - struct net_device *ndev = request->wdev->netdev; - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); + struct brcmf_cfg80211_vif *vif; s32 err = 0; - WL_TRACE("Enter\n"); - - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev); + if (!check_vif_up(vif)) return -EIO; - if (cfg->iscan_on) - err = brcmf_cfg80211_iscan(wiphy, ndev, request, NULL); - else if (cfg->escan_on) - err = brcmf_cfg80211_escan(wiphy, ndev, request, NULL); + err = brcmf_cfg80211_escan(wiphy, vif, request, NULL); if (err) - WL_ERR("scan error (%d)\n", err); + brcmf_err("scan error (%d)\n", err); - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -1210,9 +1068,10 @@ static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) { s32 err = 0; - err = brcmf_dev_intvar_set(ndev, "rtsthresh", rts_threshold); + err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh", + rts_threshold); if (err) - WL_ERR("Error (%d)\n", err); + brcmf_err("Error (%d)\n", err); return err; } @@ -1221,9 +1080,10 @@ static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) { s32 err = 0; - err = brcmf_dev_intvar_set(ndev, "fragthresh", frag_threshold); + err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh", + frag_threshold); if (err) - WL_ERR("Error (%d)\n", err); + brcmf_err("Error (%d)\n", err); return err; } @@ -1231,11 +1091,11 @@ static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) { s32 err = 0; - u32 cmd = (l ? BRCM_SET_LRL : BRCM_SET_SRL); + u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL); - err = brcmf_exec_dcmd_u32(ndev, cmd, &retry); + err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry); if (err) { - WL_ERR("cmd (%d) , error (%d)\n", cmd, err); + brcmf_err("cmd (%d) , error (%d)\n", cmd, err); return err; } return err; @@ -1245,10 +1105,11 @@ static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); struct net_device *ndev = cfg_to_ndev(cfg); + struct brcmf_if *ifp = netdev_priv(ndev); s32 err = 0; - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + if (!check_vif_up(ifp->vif)) return -EIO; if (changed & WIPHY_PARAM_RTS_THRESHOLD && @@ -1281,7 +1142,7 @@ static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) } done: - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -1290,49 +1151,28 @@ static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) memset(prof, 0, sizeof(*prof)); } -static void brcmf_ch_to_chanspec(int ch, struct brcmf_join_params *join_params, - size_t *join_params_size) -{ - u16 chanspec = 0; - - if (ch != 0) { - if (ch <= CH_MAX_2G_CHANNEL) - chanspec |= WL_CHANSPEC_BAND_2G; - else - chanspec |= WL_CHANSPEC_BAND_5G; - - chanspec |= WL_CHANSPEC_BW_20; - chanspec |= WL_CHANSPEC_CTL_SB_NONE; - - *join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE + - sizeof(u16); - - chanspec |= (ch & WL_CHANSPEC_CHAN_MASK); - join_params->params_le.chanspec_list[0] = cpu_to_le16(chanspec); - join_params->params_le.chanspec_num = cpu_to_le32(1); - - WL_CONN("join_params->params.chanspec_list[0]= %#X," - "channel %d, chanspec %#X\n", - chanspec, ch, chanspec); - } -} - -static void brcmf_link_down(struct brcmf_cfg80211_info *cfg) +static void brcmf_link_down(struct brcmf_cfg80211_vif *vif) { - struct net_device *ndev = NULL; + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy); s32 err = 0; - WL_TRACE("Enter\n"); + brcmf_dbg(TRACE, "Enter\n"); + + if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) { + brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n "); + err = brcmf_fil_cmd_data_set(vif->ifp, + BRCMF_C_DISASSOC, NULL, 0); + if (err) { + brcmf_err("WLC_DISASSOC failed (%d)\n", err); + } + clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state); + cfg80211_disconnected(vif->wdev.netdev, 0, NULL, 0, GFP_KERNEL); - if (cfg->link_up) { - ndev = cfg_to_ndev(cfg); - WL_INFO("Call WLC_DISASSOC to stop excess roaming\n "); - err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, NULL, 0); - if (err) - WL_ERR("WLC_DISASSOC failed (%d)\n", err); - cfg->link_up = false; } - WL_TRACE("Exit\n"); + clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); + clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); + brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); + brcmf_dbg(TRACE, "Exit\n"); } static s32 @@ -1340,68 +1180,72 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_ibss_params *params) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; struct brcmf_join_params join_params; size_t join_params_size = 0; s32 err = 0; s32 wsec = 0; s32 bcnprd; + u16 chanspec; - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + if (!check_vif_up(ifp->vif)) return -EIO; if (params->ssid) - WL_CONN("SSID: %s\n", params->ssid); + brcmf_dbg(CONN, "SSID: %s\n", params->ssid); else { - WL_CONN("SSID: NULL, Not supported\n"); + brcmf_dbg(CONN, "SSID: NULL, Not supported\n"); return -EOPNOTSUPP; } - set_bit(WL_STATUS_CONNECTING, &cfg->status); + set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); if (params->bssid) - WL_CONN("BSSID: %pM\n", params->bssid); + brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid); else - WL_CONN("No BSSID specified\n"); + brcmf_dbg(CONN, "No BSSID specified\n"); - if (params->channel) - WL_CONN("channel: %d\n", params->channel->center_freq); + if (params->chandef.chan) + brcmf_dbg(CONN, "channel: %d\n", + params->chandef.chan->center_freq); else - WL_CONN("no channel specified\n"); + brcmf_dbg(CONN, "no channel specified\n"); if (params->channel_fixed) - WL_CONN("fixed channel required\n"); + brcmf_dbg(CONN, "fixed channel required\n"); else - WL_CONN("no fixed channel required\n"); + brcmf_dbg(CONN, "no fixed channel required\n"); if (params->ie && params->ie_len) - WL_CONN("ie len: %d\n", params->ie_len); + brcmf_dbg(CONN, "ie len: %d\n", params->ie_len); else - WL_CONN("no ie specified\n"); + brcmf_dbg(CONN, "no ie specified\n"); if (params->beacon_interval) - WL_CONN("beacon interval: %d\n", params->beacon_interval); + brcmf_dbg(CONN, "beacon interval: %d\n", + params->beacon_interval); else - WL_CONN("no beacon interval specified\n"); + brcmf_dbg(CONN, "no beacon interval specified\n"); if (params->basic_rates) - WL_CONN("basic rates: %08X\n", params->basic_rates); + brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates); else - WL_CONN("no basic rates specified\n"); + brcmf_dbg(CONN, "no basic rates specified\n"); if (params->privacy) - WL_CONN("privacy required\n"); + brcmf_dbg(CONN, "privacy required\n"); else - WL_CONN("no privacy required\n"); + brcmf_dbg(CONN, "no privacy required\n"); /* Configure Privacy for starter */ if (params->privacy) wsec |= WEP_ENABLED; - err = brcmf_dev_intvar_set(ndev, "wsec", wsec); + err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec); if (err) { - WL_ERR("wsec failed (%d)\n", err); + brcmf_err("wsec failed (%d)\n", err); goto done; } @@ -1411,9 +1255,9 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, else bcnprd = 100; - err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_BCNPRD, &bcnprd); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd); if (err) { - WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err); + brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err); goto done; } @@ -1434,29 +1278,33 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, BRCMF_ASSOC_PARAMS_FIXED_SIZE; memcpy(profile->bssid, params->bssid, ETH_ALEN); } else { - memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN); + memset(join_params.params_le.bssid, 0xFF, ETH_ALEN); memset(profile->bssid, 0, ETH_ALEN); } /* Channel */ - if (params->channel) { + if (params->chandef.chan) { u32 target_channel; cfg->channel = ieee80211_frequency_to_channel( - params->channel->center_freq); + params->chandef.chan->center_freq); if (params->channel_fixed) { /* adding chanspec */ - brcmf_ch_to_chanspec(cfg->channel, - &join_params, &join_params_size); + chanspec = chandef_to_chanspec(&cfg->d11inf, + ¶ms->chandef); + join_params.params_le.chanspec_list[0] = + cpu_to_le16(chanspec); + join_params.params_le.chanspec_num = cpu_to_le32(1); + join_params_size += sizeof(join_params.params_le); } /* set channel for starter */ target_channel = cfg->channel; - err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_CHANNEL, - &target_channel); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL, + target_channel); if (err) { - WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err); + brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err); goto done; } } else @@ -1465,33 +1313,33 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, cfg->ibss_starter = false; - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, - &join_params, join_params_size); + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, + &join_params, join_params_size); if (err) { - WL_ERR("WLC_SET_SSID failed (%d)\n", err); + brcmf_err("WLC_SET_SSID failed (%d)\n", err); goto done; } done: if (err) - clear_bit(WL_STATUS_CONNECTING, &cfg->status); - WL_TRACE("Exit\n"); + clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); + brcmf_dbg(TRACE, "Exit\n"); return err; } static s32 brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); s32 err = 0; - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + if (!check_vif_up(ifp->vif)) return -EIO; - brcmf_link_down(cfg); + brcmf_link_down(ifp->vif); - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -1499,8 +1347,7 @@ brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) static s32 brcmf_set_wpa_version(struct net_device *ndev, struct cfg80211_connect_params *sme) { - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); struct brcmf_cfg80211_security *sec; s32 val = 0; s32 err = 0; @@ -1511,10 +1358,10 @@ static s32 brcmf_set_wpa_version(struct net_device *ndev, val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; else val = WPA_AUTH_DISABLED; - WL_CONN("setting wpa_auth to 0x%0x\n", val); - err = brcmf_dev_intvar_set(ndev, "wpa_auth", val); + brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val); + err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val); if (err) { - WL_ERR("set wpa_auth failed (%d)\n", err); + brcmf_err("set wpa_auth failed (%d)\n", err); return err; } sec = &profile->sec; @@ -1525,8 +1372,7 @@ static s32 brcmf_set_wpa_version(struct net_device *ndev, static s32 brcmf_set_auth_type(struct net_device *ndev, struct cfg80211_connect_params *sme) { - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); struct brcmf_cfg80211_security *sec; s32 val = 0; s32 err = 0; @@ -1534,27 +1380,27 @@ static s32 brcmf_set_auth_type(struct net_device *ndev, switch (sme->auth_type) { case NL80211_AUTHTYPE_OPEN_SYSTEM: val = 0; - WL_CONN("open system\n"); + brcmf_dbg(CONN, "open system\n"); break; case NL80211_AUTHTYPE_SHARED_KEY: val = 1; - WL_CONN("shared key\n"); + brcmf_dbg(CONN, "shared key\n"); break; case NL80211_AUTHTYPE_AUTOMATIC: val = 2; - WL_CONN("automatic\n"); + brcmf_dbg(CONN, "automatic\n"); break; case NL80211_AUTHTYPE_NETWORK_EAP: - WL_CONN("network eap\n"); + brcmf_dbg(CONN, "network eap\n"); default: val = 2; - WL_ERR("invalid auth type (%d)\n", sme->auth_type); + brcmf_err("invalid auth type (%d)\n", sme->auth_type); break; } - err = brcmf_dev_intvar_set(ndev, "auth", val); + err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); if (err) { - WL_ERR("set auth failed (%d)\n", err); + brcmf_err("set auth failed (%d)\n", err); return err; } sec = &profile->sec; @@ -1563,14 +1409,14 @@ static s32 brcmf_set_auth_type(struct net_device *ndev, } static s32 -brcmf_set_set_cipher(struct net_device *ndev, - struct cfg80211_connect_params *sme) +brcmf_set_wsec_mode(struct net_device *ndev, + struct cfg80211_connect_params *sme, bool mfp) { - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); struct brcmf_cfg80211_security *sec; s32 pval = 0; s32 gval = 0; + s32 wsec; s32 err = 0; if (sme->crypto.n_ciphers_pairwise) { @@ -1589,8 +1435,8 @@ brcmf_set_set_cipher(struct net_device *ndev, pval = AES_ENABLED; break; default: - WL_ERR("invalid cipher pairwise (%d)\n", - sme->crypto.ciphers_pairwise[0]); + brcmf_err("invalid cipher pairwise (%d)\n", + sme->crypto.ciphers_pairwise[0]); return -EINVAL; } } @@ -1610,16 +1456,26 @@ brcmf_set_set_cipher(struct net_device *ndev, gval = AES_ENABLED; break; default: - WL_ERR("invalid cipher group (%d)\n", - sme->crypto.cipher_group); + brcmf_err("invalid cipher group (%d)\n", + sme->crypto.cipher_group); return -EINVAL; } } - WL_CONN("pval (%d) gval (%d)\n", pval, gval); - err = brcmf_dev_intvar_set(ndev, "wsec", pval | gval); + brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval); + /* In case of privacy, but no security and WPS then simulate */ + /* setting AES. WPS-2.0 allows no security */ + if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval && + sme->privacy) + pval = AES_ENABLED; + + if (mfp) + wsec = pval | gval | MFP_CAPABLE; + else + wsec = pval | gval; + err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec); if (err) { - WL_ERR("error (%d)\n", err); + brcmf_err("error (%d)\n", err); return err; } @@ -1633,16 +1489,16 @@ brcmf_set_set_cipher(struct net_device *ndev, static s32 brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) { - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); struct brcmf_cfg80211_security *sec; s32 val = 0; s32 err = 0; if (sme->crypto.n_akm_suites) { - err = brcmf_dev_intvar_get(ndev, "wpa_auth", &val); + err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev), + "wpa_auth", &val); if (err) { - WL_ERR("could not get wpa_auth (%d)\n", err); + brcmf_err("could not get wpa_auth (%d)\n", err); return err; } if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { @@ -1654,8 +1510,8 @@ brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) val = WPA_AUTH_PSK; break; default: - WL_ERR("invalid cipher group (%d)\n", - sme->crypto.cipher_group); + brcmf_err("invalid cipher group (%d)\n", + sme->crypto.cipher_group); return -EINVAL; } } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { @@ -1667,16 +1523,17 @@ brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) val = WPA2_AUTH_PSK; break; default: - WL_ERR("invalid cipher group (%d)\n", - sme->crypto.cipher_group); + brcmf_err("invalid cipher group (%d)\n", + sme->crypto.cipher_group); return -EINVAL; } } - WL_CONN("setting wpa_auth to %d\n", val); - err = brcmf_dev_intvar_set(ndev, "wpa_auth", val); + brcmf_dbg(CONN, "setting wpa_auth to %d\n", val); + err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), + "wpa_auth", val); if (err) { - WL_ERR("could not set wpa_auth (%d)\n", err); + brcmf_err("could not set wpa_auth (%d)\n", err); return err; } } @@ -1690,22 +1547,20 @@ static s32 brcmf_set_sharedkey(struct net_device *ndev, struct cfg80211_connect_params *sme) { - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); struct brcmf_cfg80211_security *sec; struct brcmf_wsec_key key; s32 val; s32 err = 0; - s32 bssidx; - WL_CONN("key len (%d)\n", sme->key_len); + brcmf_dbg(CONN, "key len (%d)\n", sme->key_len); if (sme->key_len == 0) return 0; sec = &profile->sec; - WL_CONN("wpa_versions 0x%x cipher_pairwise 0x%x\n", - sec->wpa_versions, sec->cipher_pairwise); + brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n", + sec->wpa_versions, sec->cipher_pairwise); if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) return 0; @@ -1718,7 +1573,7 @@ brcmf_set_sharedkey(struct net_device *ndev, key.len = (u32) sme->key_len; key.index = (u32) sme->key_idx; if (key.len > sizeof(key.data)) { - WL_ERR("Too long key length (%u)\n", key.len); + brcmf_err("Too long key length (%u)\n", key.len); return -EINVAL; } memcpy(key.data, sme->key, key.len); @@ -1731,119 +1586,242 @@ brcmf_set_sharedkey(struct net_device *ndev, key.algo = CRYPTO_ALGO_WEP128; break; default: - WL_ERR("Invalid algorithm (%d)\n", - sme->crypto.ciphers_pairwise[0]); + brcmf_err("Invalid algorithm (%d)\n", + sme->crypto.ciphers_pairwise[0]); return -EINVAL; } /* Set the new key/index */ - WL_CONN("key length (%d) key index (%d) algo (%d)\n", - key.len, key.index, key.algo); - WL_CONN("key \"%s\"\n", key.data); - bssidx = brcmf_find_bssidx(cfg, ndev); - err = send_key_to_dongle(cfg, bssidx, ndev, &key); + brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n", + key.len, key.index, key.algo); + brcmf_dbg(CONN, "key \"%s\"\n", key.data); + err = send_key_to_dongle(ndev, &key); if (err) return err; if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) { - WL_CONN("set auth_type to shared key\n"); + brcmf_dbg(CONN, "set auth_type to shared key\n"); val = WL_AUTH_SHARED_KEY; /* shared key */ - err = brcmf_dev_intvar_set_bsscfg(ndev, "auth", val, bssidx); + err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); if (err) - WL_ERR("set auth failed (%d)\n", err); + brcmf_err("set auth failed (%d)\n", err); } return err; } +static +enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp, + enum nl80211_auth_type type) +{ + u32 ci; + if (type == NL80211_AUTHTYPE_AUTOMATIC) { + /* shift to ignore chip revision */ + ci = brcmf_get_chip_info(ifp) >> 4; + switch (ci) { + case 43236: + brcmf_dbg(CONN, "43236 WAR: use OPEN instead of AUTO\n"); + return NL80211_AUTHTYPE_OPEN_SYSTEM; + default: + break; + } + } + return type; +} + static s32 brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_connect_params *sme) + struct cfg80211_connect_params *sme) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; struct ieee80211_channel *chan = sme->channel; struct brcmf_join_params join_params; size_t join_params_size; - struct brcmf_ssid ssid; - + const struct brcmf_tlv *rsn_ie; + const struct brcmf_vs_tlv *wpa_ie; + const void *ie; + u32 ie_len; + struct brcmf_ext_join_params_le *ext_join_params; + u16 chanspec; s32 err = 0; - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + if (!check_vif_up(ifp->vif)) return -EIO; if (!sme->ssid) { - WL_ERR("Invalid ssid\n"); + brcmf_err("Invalid ssid\n"); return -EOPNOTSUPP; } - set_bit(WL_STATUS_CONNECTING, &cfg->status); + if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) { + /* A normal (non P2P) connection request setup. */ + ie = NULL; + ie_len = 0; + /* find the WPA_IE */ + wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len); + if (wpa_ie) { + ie = wpa_ie; + ie_len = wpa_ie->len + TLV_HDR_LEN; + } else { + /* find the RSN_IE */ + rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, + sme->ie_len, + WLAN_EID_RSN); + if (rsn_ie) { + ie = rsn_ie; + ie_len = rsn_ie->len + TLV_HDR_LEN; + } + } + brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len); + } + + err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG, + sme->ie, sme->ie_len); + if (err) + brcmf_err("Set Assoc REQ IE Failed\n"); + else + brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n"); + + set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); if (chan) { cfg->channel = ieee80211_frequency_to_channel(chan->center_freq); - WL_CONN("channel (%d), center_req (%d)\n", - cfg->channel, chan->center_freq); - } else + chanspec = channel_to_chanspec(&cfg->d11inf, chan); + brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n", + cfg->channel, chan->center_freq, chanspec); + } else { cfg->channel = 0; + chanspec = 0; + } - WL_INFO("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); + brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); err = brcmf_set_wpa_version(ndev, sme); if (err) { - WL_ERR("wl_set_wpa_version failed (%d)\n", err); + brcmf_err("wl_set_wpa_version failed (%d)\n", err); goto done; } + sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type); err = brcmf_set_auth_type(ndev, sme); if (err) { - WL_ERR("wl_set_auth_type failed (%d)\n", err); + brcmf_err("wl_set_auth_type failed (%d)\n", err); goto done; } - err = brcmf_set_set_cipher(ndev, sme); + err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED); if (err) { - WL_ERR("wl_set_set_cipher failed (%d)\n", err); + brcmf_err("wl_set_set_cipher failed (%d)\n", err); goto done; } err = brcmf_set_key_mgmt(ndev, sme); if (err) { - WL_ERR("wl_set_key_mgmt failed (%d)\n", err); + brcmf_err("wl_set_key_mgmt failed (%d)\n", err); goto done; } err = brcmf_set_sharedkey(ndev, sme); if (err) { - WL_ERR("brcmf_set_sharedkey failed (%d)\n", err); + brcmf_err("brcmf_set_sharedkey failed (%d)\n", err); + goto done; + } + + profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID), + (u32)sme->ssid_len); + memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len); + if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { + profile->ssid.SSID[profile->ssid.SSID_len] = 0; + brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID, + profile->ssid.SSID_len); + } + + /* Join with specific BSSID and cached SSID + * If SSID is zero join based on BSSID only + */ + join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) + + offsetof(struct brcmf_assoc_params_le, chanspec_list); + if (cfg->channel) + join_params_size += sizeof(u16); + ext_join_params = kzalloc(join_params_size, GFP_KERNEL); + if (ext_join_params == NULL) { + err = -ENOMEM; goto done; } + ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); + memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, + profile->ssid.SSID_len); + + /* Set up join scan parameters */ + ext_join_params->scan_le.scan_type = -1; + ext_join_params->scan_le.home_time = cpu_to_le32(-1); + + if (sme->bssid) + memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN); + else + memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN); + + if (cfg->channel) { + ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1); + + ext_join_params->assoc_le.chanspec_list[0] = + cpu_to_le16(chanspec); + /* Increase dwell time to receive probe response or detect + * beacon from target AP at a noisy air only during connect + * command. + */ + ext_join_params->scan_le.active_time = + cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS); + ext_join_params->scan_le.passive_time = + cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS); + /* To sync with presence period of VSDB GO send probe request + * more frequently. Probe request will be stopped when it gets + * probe response from target AP/GO. + */ + ext_join_params->scan_le.nprobes = + cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS / + BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS); + } else { + ext_join_params->scan_le.active_time = cpu_to_le32(-1); + ext_join_params->scan_le.passive_time = cpu_to_le32(-1); + ext_join_params->scan_le.nprobes = cpu_to_le32(-1); + } + + err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params, + join_params_size); + kfree(ext_join_params); + if (!err) + /* This is it. join command worked, we are done */ + goto done; + /* join command failed, fallback to set ssid */ memset(&join_params, 0, sizeof(join_params)); join_params_size = sizeof(join_params.ssid_le); - profile->ssid.SSID_len = min_t(u32, - sizeof(ssid.SSID), (u32)sme->ssid_len); memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len); - memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len); join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); - memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN); - - if (ssid.SSID_len < IEEE80211_MAX_SSID_LEN) - WL_CONN("ssid \"%s\", len (%d)\n", - ssid.SSID, ssid.SSID_len); + if (sme->bssid) + memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN); + else + memset(join_params.params_le.bssid, 0xFF, ETH_ALEN); - brcmf_ch_to_chanspec(cfg->channel, - &join_params, &join_params_size); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, - &join_params, join_params_size); + if (cfg->channel) { + join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec); + join_params.params_le.chanspec_num = cpu_to_le32(1); + join_params_size += sizeof(join_params.params_le); + } + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, + &join_params, join_params_size); if (err) - WL_ERR("WLC_SET_SSID failed (%d)\n", err); + brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err); done: if (err) - clear_bit(WL_STATUS_CONNECTING, &cfg->status); - WL_TRACE("Exit\n"); + clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -1851,44 +1829,44 @@ static s32 brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, u16 reason_code) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; struct brcmf_scb_val_le scbval; s32 err = 0; - WL_TRACE("Enter. Reason code = %d\n", reason_code); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code); + if (!check_vif_up(ifp->vif)) return -EIO; - clear_bit(WL_STATUS_CONNECTED, &cfg->status); + clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); + cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL); memcpy(&scbval.ea, &profile->bssid, ETH_ALEN); scbval.val = cpu_to_le32(reason_code); - err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, &scbval, - sizeof(struct brcmf_scb_val_le)); + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC, + &scbval, sizeof(scbval)); if (err) - WL_ERR("error (%d)\n", err); + brcmf_err("error (%d)\n", err); - cfg->link_up = false; - - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } static s32 -brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, +brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, enum nl80211_tx_power_setting type, s32 mbm) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); struct net_device *ndev = cfg_to_ndev(cfg); + struct brcmf_if *ifp = netdev_priv(ndev); u16 txpwrmw; s32 err = 0; s32 disable = 0; s32 dbm = MBM_TO_DBM(mbm); - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + if (!check_vif_up(ifp->vif)) return -EIO; switch (type) { @@ -1897,7 +1875,7 @@ brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, case NL80211_TX_POWER_LIMITED: case NL80211_TX_POWER_FIXED: if (dbm < 0) { - WL_ERR("TX_POWER_FIXED - dbm is negative\n"); + brcmf_err("TX_POWER_FIXED - dbm is negative\n"); err = -EINVAL; goto done; } @@ -1905,40 +1883,42 @@ brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, } /* Make sure radio is off or on as far as software is concerned */ disable = WL_RADIO_SW_DISABLE << 16; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_RADIO, &disable); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable); if (err) - WL_ERR("WLC_SET_RADIO error (%d)\n", err); + brcmf_err("WLC_SET_RADIO error (%d)\n", err); if (dbm > 0xffff) txpwrmw = 0xffff; else txpwrmw = (u16) dbm; - err = brcmf_dev_intvar_set(ndev, "qtxpower", - (s32) (brcmf_mw_to_qdbm(txpwrmw))); + err = brcmf_fil_iovar_int_set(ifp, "qtxpower", + (s32)brcmf_mw_to_qdbm(txpwrmw)); if (err) - WL_ERR("qtxpower error (%d)\n", err); + brcmf_err("qtxpower error (%d)\n", err); cfg->conf->tx_power = dbm; done: - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } -static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) +static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, + struct wireless_dev *wdev, + s32 *dbm) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg_to_ndev(cfg); + struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); s32 txpwrdbm; u8 result; s32 err = 0; - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + if (!check_vif_up(ifp->vif)) return -EIO; - err = brcmf_dev_intvar_get(ndev, "qtxpower", &txpwrdbm); + err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm); if (err) { - WL_ERR("error (%d)\n", err); + brcmf_err("error (%d)\n", err); goto done; } @@ -1946,7 +1926,7 @@ static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) *dbm = (s32) brcmf_qdbm_to_mw(result); done: - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -1954,34 +1934,32 @@ static s32 brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx, bool unicast, bool multicast) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); u32 index; u32 wsec; s32 err = 0; - s32 bssidx; - WL_TRACE("Enter\n"); - WL_CONN("key index (%d)\n", key_idx); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(CONN, "key index (%d)\n", key_idx); + if (!check_vif_up(ifp->vif)) return -EIO; - bssidx = brcmf_find_bssidx(cfg, ndev); - err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx); + err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); if (err) { - WL_ERR("WLC_GET_WSEC error (%d)\n", err); + brcmf_err("WLC_GET_WSEC error (%d)\n", err); goto done; } if (wsec & WEP_ENABLED) { /* Just select a new current key */ index = key_idx; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_KEY_PRIMARY, - &index); + err = brcmf_fil_cmd_int_set(ifp, + BRCMF_C_SET_KEY_PRIMARY, index); if (err) - WL_ERR("error (%d)\n", err); + brcmf_err("error (%d)\n", err); } done: - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -1989,11 +1967,10 @@ static s32 brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx, const u8 *mac_addr, struct key_params *params) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_wsec_key key; - struct brcmf_wsec_key_le key_le; s32 err = 0; - s32 bssidx; + u8 keybuf[8]; memset(&key, 0, sizeof(key)); key.index = (u32) key_idx; @@ -2002,24 +1979,24 @@ brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev, if (!is_multicast_ether_addr(mac_addr)) memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN); key.len = (u32) params->key_len; - bssidx = brcmf_find_bssidx(cfg, ndev); /* check for key index change */ if (key.len == 0) { /* key delete */ - err = send_key_to_dongle(cfg, bssidx, ndev, &key); + err = send_key_to_dongle(ndev, &key); if (err) - WL_ERR("key delete error (%d)\n", err); + brcmf_err("key delete error (%d)\n", err); } else { if (key.len > sizeof(key.data)) { - WL_ERR("Invalid key length (%d)\n", key.len); + brcmf_err("Invalid key length (%d)\n", key.len); return -EINVAL; } - WL_CONN("Setting the key index %d\n", key.index); + brcmf_dbg(CONN, "Setting the key index %d\n", key.index); memcpy(key.data, params->key, key.len); - if (params->cipher == WLAN_CIPHER_SUITE_TKIP) { - u8 keybuf[8]; + if (!brcmf_is_apmode(ifp->vif) && + (params->cipher == WLAN_CIPHER_SUITE_TKIP)) { + brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); memcpy(keybuf, &key.data[24], sizeof(keybuf)); memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); memcpy(&key.data[16], keybuf, sizeof(keybuf)); @@ -2039,37 +2016,31 @@ brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev, switch (params->cipher) { case WLAN_CIPHER_SUITE_WEP40: key.algo = CRYPTO_ALGO_WEP1; - WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); break; case WLAN_CIPHER_SUITE_WEP104: key.algo = CRYPTO_ALGO_WEP128; - WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); break; case WLAN_CIPHER_SUITE_TKIP: key.algo = CRYPTO_ALGO_TKIP; - WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); break; case WLAN_CIPHER_SUITE_AES_CMAC: key.algo = CRYPTO_ALGO_AES_CCM; - WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); break; case WLAN_CIPHER_SUITE_CCMP: key.algo = CRYPTO_ALGO_AES_CCM; - WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); break; default: - WL_ERR("Invalid cipher (0x%x)\n", params->cipher); + brcmf_err("Invalid cipher (0x%x)\n", params->cipher); return -EINVAL; } - convert_key_from_CPU(&key, &key_le); - - brcmf_netdev_wait_pend8021x(ndev); - err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "wsec_key", &key_le, - sizeof(key_le), - cfg->extra_buf, - WL_EXTRA_BUF_MAX, bssidx); + err = send_key_to_dongle(ndev, &key); if (err) - WL_ERR("wsec_key error (%d)\n", err); + brcmf_err("wsec_key error (%d)\n", err); } return err; } @@ -2079,21 +2050,22 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx, bool pairwise, const u8 *mac_addr, struct key_params *params) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_wsec_key key; s32 val; s32 wsec; s32 err = 0; u8 keybuf[8]; - s32 bssidx; - WL_TRACE("Enter\n"); - WL_CONN("key index (%d)\n", key_idx); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(CONN, "key index (%d)\n", key_idx); + if (!check_vif_up(ifp->vif)) return -EIO; - if (mac_addr) { - WL_TRACE("Exit"); + if (mac_addr && + (params->cipher != WLAN_CIPHER_SUITE_WEP40) && + (params->cipher != WLAN_CIPHER_SUITE_WEP104)) { + brcmf_dbg(TRACE, "Exit"); return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params); } memset(&key, 0, sizeof(key)); @@ -2102,7 +2074,7 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, key.index = (u32) key_idx; if (key.len > sizeof(key.data)) { - WL_ERR("Too long key length (%u)\n", key.len); + brcmf_err("Too long key length (%u)\n", key.len); err = -EINVAL; goto done; } @@ -2113,59 +2085,58 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, case WLAN_CIPHER_SUITE_WEP40: key.algo = CRYPTO_ALGO_WEP1; val = WEP_ENABLED; - WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); break; case WLAN_CIPHER_SUITE_WEP104: key.algo = CRYPTO_ALGO_WEP128; val = WEP_ENABLED; - WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); break; case WLAN_CIPHER_SUITE_TKIP: - if (cfg->conf->mode != WL_MODE_AP) { - WL_CONN("Swapping key\n"); + if (!brcmf_is_apmode(ifp->vif)) { + brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); memcpy(keybuf, &key.data[24], sizeof(keybuf)); memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); memcpy(&key.data[16], keybuf, sizeof(keybuf)); } key.algo = CRYPTO_ALGO_TKIP; val = TKIP_ENABLED; - WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); break; case WLAN_CIPHER_SUITE_AES_CMAC: key.algo = CRYPTO_ALGO_AES_CCM; val = AES_ENABLED; - WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); break; case WLAN_CIPHER_SUITE_CCMP: key.algo = CRYPTO_ALGO_AES_CCM; val = AES_ENABLED; - WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); break; default: - WL_ERR("Invalid cipher (0x%x)\n", params->cipher); + brcmf_err("Invalid cipher (0x%x)\n", params->cipher); err = -EINVAL; goto done; } - bssidx = brcmf_find_bssidx(cfg, ndev); - err = send_key_to_dongle(cfg, bssidx, ndev, &key); + err = send_key_to_dongle(ndev, &key); if (err) goto done; - err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx); + err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); if (err) { - WL_ERR("get wsec error (%d)\n", err); + brcmf_err("get wsec error (%d)\n", err); goto done; } wsec |= val; - err = brcmf_dev_intvar_set_bsscfg(ndev, "wsec", wsec, bssidx); + err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); if (err) { - WL_ERR("set wsec error (%d)\n", err); + brcmf_err("set wsec error (%d)\n", err); goto done; } done: - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -2173,37 +2144,32 @@ static s32 brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx, bool pairwise, const u8 *mac_addr) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_wsec_key key; s32 err = 0; - s32 bssidx; - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + if (!check_vif_up(ifp->vif)) return -EIO; + if (key_idx >= DOT11_MAX_DEFAULT_KEYS) { + /* we ignore this key index in this case */ + brcmf_err("invalid key index (%d)\n", key_idx); + return -EINVAL; + } + memset(&key, 0, sizeof(key)); key.index = (u32) key_idx; key.flags = BRCMF_PRIMARY_KEY; key.algo = CRYPTO_ALGO_OFF; - WL_CONN("key index (%d)\n", key_idx); + brcmf_dbg(CONN, "key index (%d)\n", key_idx); /* Set the new key/index */ - bssidx = brcmf_find_bssidx(cfg, ndev); - err = send_key_to_dongle(cfg, bssidx, ndev, &key); - if (err) { - if (err == -EINVAL) { - if (key.index >= DOT11_MAX_DEFAULT_KEYS) - /* we ignore this key index in this case */ - WL_ERR("invalid key index (%d)\n", key_idx); - } - /* Ignore this error, may happen during DISASSOC */ - err = -EAGAIN; - } + err = send_key_to_dongle(ndev, &key); - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -2213,56 +2179,50 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, void (*callback) (void *cookie, struct key_params * params)) { struct key_params params; - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; struct brcmf_cfg80211_security *sec; s32 wsec; s32 err = 0; - s32 bssidx; - WL_TRACE("Enter\n"); - WL_CONN("key index (%d)\n", key_idx); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(CONN, "key index (%d)\n", key_idx); + if (!check_vif_up(ifp->vif)) return -EIO; memset(¶ms, 0, sizeof(params)); - bssidx = brcmf_find_bssidx(cfg, ndev); - err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx); + err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); if (err) { - WL_ERR("WLC_GET_WSEC error (%d)\n", err); + brcmf_err("WLC_GET_WSEC error (%d)\n", err); /* Ignore this error, may happen during DISASSOC */ err = -EAGAIN; goto done; } - switch (wsec & ~SES_OW_ENABLED) { - case WEP_ENABLED: + if (wsec & WEP_ENABLED) { sec = &profile->sec; if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { params.cipher = WLAN_CIPHER_SUITE_WEP40; - WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { params.cipher = WLAN_CIPHER_SUITE_WEP104; - WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); } - break; - case TKIP_ENABLED: + } else if (wsec & TKIP_ENABLED) { params.cipher = WLAN_CIPHER_SUITE_TKIP; - WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); - break; - case AES_ENABLED: + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); + } else if (wsec & AES_ENABLED) { params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; - WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); - break; - default: - WL_ERR("Invalid algo (0x%x)\n", wsec); + brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); + } else { + brcmf_err("Invalid algo (0x%x)\n", wsec); err = -EINVAL; goto done; } callback(cookie, ¶ms); done: - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -2270,82 +2230,108 @@ static s32 brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx) { - WL_INFO("Not supported\n"); + brcmf_dbg(INFO, "Not supported\n"); return -EOPNOTSUPP; } static s32 brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, - u8 *mac, struct station_info *sinfo) + const u8 *mac, struct station_info *sinfo) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; struct brcmf_scb_val_le scb_val; int rssi; s32 rate; s32 err = 0; u8 *bssid = profile->bssid; - struct brcmf_sta_info_le *sta_info_le; + struct brcmf_sta_info_le sta_info_le; + u32 beacon_period; + u32 dtim_period; - WL_TRACE("Enter, MAC %pM\n", mac); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac); + if (!check_vif_up(ifp->vif)) return -EIO; - if (cfg->conf->mode == WL_MODE_AP) { - err = brcmf_dev_iovar_getbuf(ndev, "sta_info", mac, ETH_ALEN, - cfg->dcmd_buf, - WL_DCMD_LEN_MAX); + if (brcmf_is_apmode(ifp->vif)) { + memcpy(&sta_info_le, mac, ETH_ALEN); + err = brcmf_fil_iovar_data_get(ifp, "sta_info", + &sta_info_le, + sizeof(sta_info_le)); if (err < 0) { - WL_ERR("GET STA INFO failed, %d\n", err); + brcmf_err("GET STA INFO failed, %d\n", err); goto done; } - sta_info_le = (struct brcmf_sta_info_le *)cfg->dcmd_buf; - sinfo->filled = STATION_INFO_INACTIVE_TIME; - sinfo->inactive_time = le32_to_cpu(sta_info_le->idle) * 1000; - if (le32_to_cpu(sta_info_le->flags) & BRCMF_STA_ASSOC) { + sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000; + if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) { sinfo->filled |= STATION_INFO_CONNECTED_TIME; - sinfo->connected_time = le32_to_cpu(sta_info_le->in); + sinfo->connected_time = le32_to_cpu(sta_info_le.in); } - WL_TRACE("STA idle time : %d ms, connected time :%d sec\n", - sinfo->inactive_time, sinfo->connected_time); - } else if (cfg->conf->mode == WL_MODE_BSS) { + brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n", + sinfo->inactive_time, sinfo->connected_time); + } else if (ifp->vif->wdev.iftype == NL80211_IFTYPE_STATION) { if (memcmp(mac, bssid, ETH_ALEN)) { - WL_ERR("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n", - mac, bssid); + brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n", + mac, bssid); err = -ENOENT; goto done; } /* Report the current tx rate */ - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_RATE, &rate); + err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate); if (err) { - WL_ERR("Could not get rate (%d)\n", err); + brcmf_err("Could not get rate (%d)\n", err); goto done; } else { sinfo->filled |= STATION_INFO_TX_BITRATE; sinfo->txrate.legacy = rate * 5; - WL_CONN("Rate %d Mbps\n", rate / 2); + brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2); } - if (test_bit(WL_STATUS_CONNECTED, &cfg->status)) { + if (test_bit(BRCMF_VIF_STATUS_CONNECTED, + &ifp->vif->sme_state)) { memset(&scb_val, 0, sizeof(scb_val)); - err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_RSSI, &scb_val, - sizeof(scb_val)); + err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, + &scb_val, sizeof(scb_val)); if (err) { - WL_ERR("Could not get rssi (%d)\n", err); + brcmf_err("Could not get rssi (%d)\n", err); goto done; } else { rssi = le32_to_cpu(scb_val.val); sinfo->filled |= STATION_INFO_SIGNAL; sinfo->signal = rssi; - WL_CONN("RSSI %d dBm\n", rssi); + brcmf_dbg(CONN, "RSSI %d dBm\n", rssi); + } + err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD, + &beacon_period); + if (err) { + brcmf_err("Could not get beacon period (%d)\n", + err); + goto done; + } else { + sinfo->bss_param.beacon_interval = + beacon_period; + brcmf_dbg(CONN, "Beacon peroid %d\n", + beacon_period); + } + err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD, + &dtim_period); + if (err) { + brcmf_err("Could not get DTIM period (%d)\n", + err); + goto done; + } else { + sinfo->bss_param.dtim_period = dtim_period; + brcmf_dbg(CONN, "DTIM peroid %d\n", + dtim_period); } + sinfo->filled |= STATION_INFO_BSS_PARAM; } } else err = -EPERM; done: - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -2356,8 +2342,9 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, s32 pm; s32 err = 0; struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); - WL_TRACE("Enter\n"); + brcmf_dbg(TRACE, "Enter\n"); /* * Powersave enable/disable request is coming from the @@ -2367,83 +2354,29 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, * FW later while initializing the dongle */ cfg->pwr_save = enabled; - if (!test_bit(WL_STATUS_READY, &cfg->status)) { + if (!check_vif_up(ifp->vif)) { - WL_INFO("Device is not ready, storing the value in cfg_info struct\n"); + brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n"); goto done; } pm = enabled ? PM_FAST : PM_OFF; - WL_INFO("power save %s\n", (pm ? "enabled" : "disabled")); + /* Do not enable the power save after assoc if it is a p2p interface */ + if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) { + brcmf_dbg(INFO, "Do not enable power save for P2P clients\n"); + pm = PM_OFF; + } + brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled")); - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &pm); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm); if (err) { if (err == -ENODEV) - WL_ERR("net_device is not ready yet\n"); + brcmf_err("net_device is not ready yet\n"); else - WL_ERR("error (%d)\n", err); + brcmf_err("error (%d)\n", err); } done: - WL_TRACE("Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *ndev, - const u8 *addr, - const struct cfg80211_bitrate_mask *mask) -{ - struct brcm_rateset_le rateset_le; - s32 rate; - s32 val; - s32 err_bg; - s32 err_a; - u32 legacy; - s32 err = 0; - - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) - return -EIO; - - /* addr param is always NULL. ignore it */ - /* Get current rateset */ - err = brcmf_exec_dcmd(ndev, BRCM_GET_CURR_RATESET, &rateset_le, - sizeof(rateset_le)); - if (err) { - WL_ERR("could not get current rateset (%d)\n", err); - goto done; - } - - legacy = ffs(mask->control[IEEE80211_BAND_2GHZ].legacy & 0xFFFF); - if (!legacy) - legacy = ffs(mask->control[IEEE80211_BAND_5GHZ].legacy & - 0xFFFF); - - val = wl_g_rates[legacy - 1].bitrate * 100000; - - if (val < le32_to_cpu(rateset_le.count)) - /* Select rate by rateset index */ - rate = rateset_le.rates[val] & 0x7f; - else - /* Specified rate in bps */ - rate = val / 500000; - - WL_CONN("rate %d mbps\n", rate / 2); - - /* - * - * Set rate override, - * Since the is a/b/g-blind, both a/bg_rate are enforced. - */ - err_bg = brcmf_dev_intvar_set(ndev, "bg_rate", rate); - err_a = brcmf_dev_intvar_set(ndev, "a_rate", rate); - if (err_bg && err_a) { - WL_ERR("could not set fixed rate (%d) (%d)\n", err_bg, err_a); - err = err_bg | err_a; - } - -done: - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -2454,6 +2387,7 @@ static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, struct ieee80211_channel *notify_channel; struct cfg80211_bss *bss; struct ieee80211_supported_band *band; + struct brcmu_chan ch; s32 err = 0; u16 channel; u32 freq; @@ -2464,12 +2398,16 @@ static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, s32 notify_signal; if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { - WL_ERR("Bss info is larger than buffer. Discarding\n"); + brcmf_err("Bss info is larger than buffer. Discarding\n"); return 0; } - channel = bi->ctl_ch ? bi->ctl_ch : - CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); + if (!bi->ctl_ch) { + ch.chspec = le16_to_cpu(bi->chanspec); + cfg->d11inf.decchspec(&ch); + bi->ctl_ch = ch.chnum; + } + channel = bi->ctl_ch; if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; @@ -2485,13 +2423,11 @@ static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, notify_ielen = le32_to_cpu(bi->ie_length); notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; - WL_CONN("bssid: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", - bi->BSSID[0], bi->BSSID[1], bi->BSSID[2], - bi->BSSID[3], bi->BSSID[4], bi->BSSID[5]); - WL_CONN("Channel: %d(%d)\n", channel, freq); - WL_CONN("Capability: %X\n", notify_capability); - WL_CONN("Beacon interval: %d\n", notify_interval); - WL_CONN("Signal: %d\n", notify_signal); + brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID); + brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq); + brcmf_dbg(CONN, "Capability: %X\n", notify_capability); + brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval); + brcmf_dbg(CONN, "Signal: %d\n", notify_signal); bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID, 0, notify_capability, notify_interval, notify_ie, @@ -2500,7 +2436,7 @@ static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, if (!bss) return -ENOMEM; - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); return err; } @@ -2522,13 +2458,14 @@ static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg) int i; bss_list = cfg->bss_list; - if (bss_list->version != BRCMF_BSS_INFO_VERSION) { - WL_ERR("Version %d != WL_BSS_INFO_VERSION\n", - bss_list->version); + if (bss_list->count != 0 && + bss_list->version != BRCMF_BSS_INFO_VERSION) { + brcmf_err("Version %d != WL_BSS_INFO_VERSION\n", + bss_list->version); return -EOPNOTSUPP; } - WL_SCAN("scanned AP count (%d)\n", bss_list->count); - for (i = 0; i < bss_list->count && i < WL_AP_MAX; i++) { + brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count); + for (i = 0; i < bss_list->count; i++) { bi = next_bss_le(bss_list, bi); err = brcmf_inform_single_bss(cfg, bi); if (err) @@ -2545,9 +2482,9 @@ static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, struct brcmf_bss_info_le *bi = NULL; struct ieee80211_supported_band *band; struct cfg80211_bss *bss; + struct brcmu_chan ch; u8 *buf = NULL; s32 err = 0; - u16 channel; u32 freq; u16 notify_capability; u16 notify_interval; @@ -2555,7 +2492,7 @@ static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, size_t notify_ielen; s32 notify_signal; - WL_TRACE("Enter\n"); + brcmf_dbg(TRACE, "Enter\n"); buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); if (buf == NULL) { @@ -2565,23 +2502,24 @@ static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); - err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_BSS_INFO, buf, WL_BSS_INFO_MAX); + err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO, + buf, WL_BSS_INFO_MAX); if (err) { - WL_ERR("WLC_GET_BSS_INFO failed: %d\n", err); + brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err); goto CleanUp; } bi = (struct brcmf_bss_info_le *)(buf + 4); - channel = bi->ctl_ch ? bi->ctl_ch : - CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); + ch.chspec = le16_to_cpu(bi->chanspec); + cfg->d11inf.decchspec(&ch); - if (channel <= CH_MAX_2G_CHANNEL) + if (ch.band == BRCMU_CHAN_BAND_2G) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; - freq = ieee80211_channel_to_frequency(channel, band->band); + freq = ieee80211_channel_to_frequency(ch.chnum, band->band); notify_channel = ieee80211_get_channel(wiphy, freq); notify_capability = le16_to_cpu(bi->capability); @@ -2590,10 +2528,10 @@ static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, notify_ielen = le32_to_cpu(bi->ie_length); notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; - WL_CONN("channel: %d(%d)\n", channel, freq); - WL_CONN("capability: %X\n", notify_capability); - WL_CONN("beacon interval: %d\n", notify_interval); - WL_CONN("signal: %d\n", notify_signal); + brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq); + brcmf_dbg(CONN, "capability: %X\n", notify_capability); + brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval); + brcmf_dbg(CONN, "signal: %d\n", notify_signal); bss = cfg80211_inform_bss(wiphy, notify_channel, bssid, 0, notify_capability, notify_interval, @@ -2604,112 +2542,41 @@ static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, goto CleanUp; } - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); CleanUp: kfree(buf); - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } -static bool brcmf_is_ibssmode(struct brcmf_cfg80211_info *cfg) -{ - return cfg->conf->mode == WL_MODE_IBSS; -} - -/* - * Traverse a string of 1-byte tag/1-byte length/variable-length value - * triples, returning a pointer to the substring whose first element - * matches tag - */ -static struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key) -{ - struct brcmf_tlv *elt; - int totlen; - - elt = (struct brcmf_tlv *) buf; - totlen = buflen; - - /* find tagged parameter */ - while (totlen >= TLV_HDR_LEN) { - int len = elt->len; - - /* validate remaining totlen */ - if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) - return elt; - - elt = (struct brcmf_tlv *) ((u8 *) elt + (len + TLV_HDR_LEN)); - totlen -= (len + TLV_HDR_LEN); - } - - return NULL; -} - -/* Is any of the tlvs the expected entry? If - * not update the tlvs buffer pointer/length. - */ -static bool -brcmf_tlv_has_ie(u8 *ie, u8 **tlvs, u32 *tlvs_len, - u8 *oui, u32 oui_len, u8 type) -{ - /* If the contents match the OUI and the type */ - if (ie[TLV_LEN_OFF] >= oui_len + 1 && - !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && - type == ie[TLV_BODY_OFF + oui_len]) { - return true; - } - - if (tlvs == NULL) - return false; - /* point to the next ie */ - ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; - /* calculate the length of the rest of the buffer */ - *tlvs_len -= (int)(ie - *tlvs); - /* update the pointer to the start of the buffer */ - *tlvs = ie; - - return false; -} - -struct brcmf_vs_tlv * -brcmf_find_wpaie(u8 *parse, u32 len) -{ - struct brcmf_tlv *ie; - - while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_WPA))) { - if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, - WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) - return (struct brcmf_vs_tlv *)ie; - } - return NULL; -} - -static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg) +static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg, + struct brcmf_if *ifp) { - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev); struct brcmf_bss_info_le *bi; struct brcmf_ssid *ssid; - struct brcmf_tlv *tim; + const struct brcmf_tlv *tim; u16 beacon_interval; u8 dtim_period; size_t ie_len; u8 *ie; s32 err = 0; - WL_TRACE("Enter\n"); - if (brcmf_is_ibssmode(cfg)) + brcmf_dbg(TRACE, "Enter\n"); + if (brcmf_is_ibssmode(ifp->vif)) return err; ssid = &profile->ssid; *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); - err = brcmf_exec_dcmd(cfg_to_ndev(cfg), BRCMF_C_GET_BSS_INFO, - cfg->extra_buf, WL_EXTRA_BUF_MAX); + err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, + cfg->extra_buf, WL_EXTRA_BUF_MAX); if (err) { - WL_ERR("Could not get bss info %d\n", err); + brcmf_err("Could not get bss info %d\n", err); goto update_bss_info_out; } @@ -2732,252 +2599,30 @@ static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg) * so we speficially query dtim information to dongle. */ u32 var; - err = brcmf_dev_intvar_get(cfg_to_ndev(cfg), - "dtim_assoc", &var); + err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var); if (err) { - WL_ERR("wl dtim_assoc failed (%d)\n", err); + brcmf_err("wl dtim_assoc failed (%d)\n", err); goto update_bss_info_out; } dtim_period = (u8)var; } - profile->beacon_interval = beacon_interval; - profile->dtim_period = dtim_period; - update_bss_info_out: - WL_TRACE("Exit"); + brcmf_dbg(TRACE, "Exit"); return err; } -static void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) +void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) { - struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); struct escan_info *escan = &cfg->escan_info; - struct brcmf_ssid ssid; - - set_bit(WL_STATUS_SCAN_ABORTING, &cfg->status); - if (cfg->iscan_on) { - iscan->state = WL_ISCAN_STATE_IDLE; - if (iscan->timer_on) { - del_timer_sync(&iscan->timer); - iscan->timer_on = 0; - } - - cancel_work_sync(&iscan->work); - - /* Abort iscan running in FW */ - memset(&ssid, 0, sizeof(ssid)); - brcmf_run_iscan(iscan, &ssid, WL_SCAN_ACTION_ABORT); - - if (cfg->scan_request) { - /* Indidate scan abort to cfg80211 layer */ - WL_INFO("Terminating scan in progress\n"); - cfg80211_scan_done(cfg->scan_request, true); - cfg->scan_request = NULL; - } - } - if (cfg->escan_on && cfg->scan_request) { - escan->escan_state = WL_ESCAN_STATE_IDLE; - brcmf_notify_escan_complete(cfg, escan->ndev, true, true); - } - clear_bit(WL_STATUS_SCANNING, &cfg->status); - clear_bit(WL_STATUS_SCAN_ABORTING, &cfg->status); -} - -static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl *iscan, - bool aborted) -{ - struct brcmf_cfg80211_info *cfg = iscan_to_cfg(iscan); - struct net_device *ndev = cfg_to_ndev(cfg); - - if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) { - WL_ERR("Scan complete while device not scanning\n"); - return; - } + set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); if (cfg->scan_request) { - WL_SCAN("ISCAN Completed scan: %s\n", - aborted ? "Aborted" : "Done"); - cfg80211_scan_done(cfg->scan_request, aborted); - brcmf_set_mpc(ndev, 1); - cfg->scan_request = NULL; - } - cfg->iscan_kickstart = false; -} - -static s32 brcmf_wakeup_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan) -{ - if (iscan->state != WL_ISCAN_STATE_IDLE) { - WL_SCAN("wake up iscan\n"); - schedule_work(&iscan->work); - return 0; - } - - return -EIO; -} - -static s32 -brcmf_get_iscan_results(struct brcmf_cfg80211_iscan_ctrl *iscan, u32 *status, - struct brcmf_scan_results **bss_list) -{ - struct brcmf_iscan_results list; - struct brcmf_scan_results *results; - struct brcmf_scan_results_le *results_le; - struct brcmf_iscan_results *list_buf; - s32 err = 0; - - memset(iscan->scan_buf, 0, WL_ISCAN_BUF_MAX); - list_buf = (struct brcmf_iscan_results *)iscan->scan_buf; - results = &list_buf->results; - results_le = &list_buf->results_le; - results->buflen = BRCMF_ISCAN_RESULTS_FIXED_SIZE; - results->version = 0; - results->count = 0; - - memset(&list, 0, sizeof(list)); - list.results_le.buflen = cpu_to_le32(WL_ISCAN_BUF_MAX); - err = brcmf_dev_iovar_getbuf(iscan->ndev, "iscanresults", &list, - BRCMF_ISCAN_RESULTS_FIXED_SIZE, - iscan->scan_buf, WL_ISCAN_BUF_MAX); - if (err) { - WL_ERR("error (%d)\n", err); - return err; - } - results->buflen = le32_to_cpu(results_le->buflen); - results->version = le32_to_cpu(results_le->version); - results->count = le32_to_cpu(results_le->count); - WL_SCAN("results->count = %d\n", results_le->count); - WL_SCAN("results->buflen = %d\n", results_le->buflen); - *status = le32_to_cpu(list_buf->status_le); - WL_SCAN("status = %d\n", *status); - *bss_list = results; - - return err; -} - -static s32 brcmf_iscan_done(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; - s32 err = 0; - - iscan->state = WL_ISCAN_STATE_IDLE; - brcmf_inform_bss(cfg); - brcmf_notify_iscan_complete(iscan, false); - - return err; -} - -static s32 brcmf_iscan_pending(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; - s32 err = 0; - - /* Reschedule the timer */ - mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); - iscan->timer_on = 1; - - return err; -} - -static s32 brcmf_iscan_inprogress(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; - s32 err = 0; - - brcmf_inform_bss(cfg); - brcmf_run_iscan(iscan, NULL, BRCMF_SCAN_ACTION_CONTINUE); - /* Reschedule the timer */ - mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); - iscan->timer_on = 1; - - return err; -} - -static s32 brcmf_iscan_aborted(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; - s32 err = 0; - - iscan->state = WL_ISCAN_STATE_IDLE; - brcmf_notify_iscan_complete(iscan, true); - - return err; -} - -static void brcmf_cfg80211_iscan_handler(struct work_struct *work) -{ - struct brcmf_cfg80211_iscan_ctrl *iscan = - container_of(work, struct brcmf_cfg80211_iscan_ctrl, - work); - struct brcmf_cfg80211_info *cfg = iscan_to_cfg(iscan); - struct brcmf_cfg80211_iscan_eloop *el = &iscan->el; - u32 status = BRCMF_SCAN_RESULTS_PARTIAL; - - if (iscan->timer_on) { - del_timer_sync(&iscan->timer); - iscan->timer_on = 0; - } - - if (brcmf_get_iscan_results(iscan, &status, &cfg->bss_list)) { - status = BRCMF_SCAN_RESULTS_ABORTED; - WL_ERR("Abort iscan\n"); - } - - el->handler[status](cfg); -} - -static void brcmf_iscan_timer(unsigned long data) -{ - struct brcmf_cfg80211_iscan_ctrl *iscan = - (struct brcmf_cfg80211_iscan_ctrl *)data; - - if (iscan) { - iscan->timer_on = 0; - WL_SCAN("timer expired\n"); - brcmf_wakeup_iscan(iscan); - } -} - -static s32 brcmf_invoke_iscan(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); - - if (cfg->iscan_on) { - iscan->state = WL_ISCAN_STATE_IDLE; - INIT_WORK(&iscan->work, brcmf_cfg80211_iscan_handler); - } - - return 0; -} - -static void brcmf_init_iscan_eloop(struct brcmf_cfg80211_iscan_eloop *el) -{ - memset(el, 0, sizeof(*el)); - el->handler[BRCMF_SCAN_RESULTS_SUCCESS] = brcmf_iscan_done; - el->handler[BRCMF_SCAN_RESULTS_PARTIAL] = brcmf_iscan_inprogress; - el->handler[BRCMF_SCAN_RESULTS_PENDING] = brcmf_iscan_pending; - el->handler[BRCMF_SCAN_RESULTS_ABORTED] = brcmf_iscan_aborted; - el->handler[BRCMF_SCAN_RESULTS_NO_MEM] = brcmf_iscan_aborted; -} - -static s32 brcmf_init_iscan(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); - int err = 0; - - if (cfg->iscan_on) { - iscan->ndev = cfg_to_ndev(cfg); - brcmf_init_iscan_eloop(&iscan->el); - iscan->timer_ms = WL_ISCAN_TIMER_INTERVAL_MS; - init_timer(&iscan->timer); - iscan->timer.data = (unsigned long) iscan; - iscan->timer.function = brcmf_iscan_timer; - err = brcmf_invoke_iscan(cfg); - if (!err) - iscan->data = cfg; + escan->escan_state = WL_ESCAN_STATE_IDLE; + brcmf_notify_escan_complete(cfg, escan->ifp, true, true); } - - return err; + clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); + clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); } static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) @@ -2986,8 +2631,7 @@ static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) container_of(work, struct brcmf_cfg80211_info, escan_timeout_work); - brcmf_notify_escan_complete(cfg, - cfg->escan_info.ndev, true, true); + brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true); } static void brcmf_escan_timeout(unsigned long data) @@ -2996,23 +2640,29 @@ static void brcmf_escan_timeout(unsigned long data) (struct brcmf_cfg80211_info *)data; if (cfg->scan_request) { - WL_ERR("timer expired\n"); - if (cfg->escan_on) - schedule_work(&cfg->escan_timeout_work); + brcmf_err("timer expired\n"); + schedule_work(&cfg->escan_timeout_work); } } static s32 -brcmf_compare_update_same_bss(struct brcmf_bss_info_le *bss, +brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg, + struct brcmf_bss_info_le *bss, struct brcmf_bss_info_le *bss_info_le) { + struct brcmu_chan ch_bss, ch_bss_info_le; + + ch_bss.chspec = le16_to_cpu(bss->chanspec); + cfg->d11inf.decchspec(&ch_bss); + ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec); + cfg->d11inf.decchspec(&ch_bss_info_le); + if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && - (CHSPEC_BAND(le16_to_cpu(bss_info_le->chanspec)) == - CHSPEC_BAND(le16_to_cpu(bss->chanspec))) && + ch_bss.band == ch_bss_info_le.band && bss_info_le->SSID_len == bss->SSID_len && !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { - if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) == - (bss_info_le->flags & WLC_BSS_RSSI_ON_CHANNEL)) { + if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == + (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) { s16 bss_rssi = le16_to_cpu(bss->RSSI); s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI); @@ -3021,13 +2671,13 @@ brcmf_compare_update_same_bss(struct brcmf_bss_info_le *bss, */ if (bss_info_rssi > bss_rssi) bss->RSSI = bss_info_le->RSSI; - } else if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) && - (bss_info_le->flags & WLC_BSS_RSSI_ON_CHANNEL) == 0) { + } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) && + (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) { /* preserve the on-channel rssi measurement * if the new measurement is off channel */ bss->RSSI = bss_info_le->RSSI; - bss->flags |= WLC_BSS_RSSI_ON_CHANNEL; + bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL; } return 1; } @@ -3035,10 +2685,10 @@ brcmf_compare_update_same_bss(struct brcmf_bss_info_le *bss, } static s32 -brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, +brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data) { + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; s32 status; s32 err = 0; struct brcmf_escan_result_le *escan_result_le; @@ -3049,40 +2699,40 @@ brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_info *cfg, u32 i; bool aborted; - status = be32_to_cpu(e->status); + status = e->status; - if (!ndev || !cfg->escan_on || - !test_bit(WL_STATUS_SCANNING, &cfg->status)) { - WL_ERR("scan not ready ndev %p wl->escan_on %d drv_status %x\n", - ndev, cfg->escan_on, - !test_bit(WL_STATUS_SCANNING, &cfg->status)); + if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { + brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx); return -EPERM; } if (status == BRCMF_E_STATUS_PARTIAL) { - WL_SCAN("ESCAN Partial result\n"); + brcmf_dbg(SCAN, "ESCAN Partial result\n"); escan_result_le = (struct brcmf_escan_result_le *) data; if (!escan_result_le) { - WL_ERR("Invalid escan result (NULL pointer)\n"); + brcmf_err("Invalid escan result (NULL pointer)\n"); goto exit; } - if (!cfg->scan_request) { - WL_SCAN("result without cfg80211 request\n"); + if (le16_to_cpu(escan_result_le->bss_count) != 1) { + brcmf_err("Invalid bss_count %d: ignoring\n", + escan_result_le->bss_count); goto exit; } + bss_info_le = &escan_result_le->bss_info_le; - if (le16_to_cpu(escan_result_le->bss_count) != 1) { - WL_ERR("Invalid bss_count %d: ignoring\n", - escan_result_le->bss_count); + if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le)) + goto exit; + + if (!cfg->scan_request) { + brcmf_dbg(SCAN, "result without cfg80211 request\n"); goto exit; } - bss_info_le = &escan_result_le->bss_info_le; bi_length = le32_to_cpu(bss_info_le->length); if (bi_length != (le32_to_cpu(escan_result_le->buflen) - WL_ESCAN_RESULTS_FIXED_SIZE)) { - WL_ERR("Invalid bss_info length %d: ignoring\n", - bi_length); + brcmf_err("Invalid bss_info length %d: ignoring\n", + bi_length); goto exit; } @@ -3090,7 +2740,7 @@ brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_info *cfg, BIT(NL80211_IFTYPE_ADHOC))) { if (le16_to_cpu(bss_info_le->capability) & WLAN_CAPABILITY_IBSS) { - WL_ERR("Ignoring IBSS result\n"); + brcmf_err("Ignoring IBSS result\n"); goto exit; } } @@ -3098,7 +2748,7 @@ brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_info *cfg, list = (struct brcmf_scan_results *) cfg->escan_info.escan_buf; if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) { - WL_ERR("Buffer is too small: ignoring\n"); + brcmf_err("Buffer is too small: ignoring\n"); goto exit; } @@ -3106,7 +2756,8 @@ brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_info *cfg, bss = bss ? (struct brcmf_bss_info_le *) ((unsigned char *)bss + le32_to_cpu(bss->length)) : list->bss_info_le; - if (brcmf_compare_update_same_bss(bss, bss_info_le)) + if (brcmf_compare_update_same_bss(cfg, bss, + bss_info_le)) goto exit; } memcpy(&(cfg->escan_info.escan_buf[list->buflen]), @@ -3116,15 +2767,18 @@ brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_info *cfg, list->count++; } else { cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; + if (brcmf_p2p_scan_finding_common_channel(cfg, NULL)) + goto exit; if (cfg->scan_request) { cfg->bss_list = (struct brcmf_scan_results *) cfg->escan_info.escan_buf; brcmf_inform_bss(cfg); aborted = status != BRCMF_E_STATUS_SUCCESS; - brcmf_notify_escan_complete(cfg, ndev, aborted, + brcmf_notify_escan_complete(cfg, ifp, aborted, false); } else - WL_ERR("Unexpected scan result 0x%x\n", status); + brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n", + status); } exit: return err; @@ -3132,18 +2786,15 @@ exit: static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg) { - - if (cfg->escan_on) { - cfg->el.handler[BRCMF_E_ESCAN_RESULT] = - brcmf_cfg80211_escan_handler; - cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; - /* Init scan_timeout timer */ - init_timer(&cfg->escan_timeout); - cfg->escan_timeout.data = (unsigned long) cfg; - cfg->escan_timeout.function = brcmf_escan_timeout; - INIT_WORK(&cfg->escan_timeout_work, - brcmf_cfg80211_escan_timeout_worker); - } + brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT, + brcmf_cfg80211_escan_handler); + cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; + /* Init scan_timeout timer */ + init_timer(&cfg->escan_timeout); + cfg->escan_timeout.data = (unsigned long) cfg; + cfg->escan_timeout.function = brcmf_escan_timeout; + INIT_WORK(&cfg->escan_timeout_work, + brcmf_cfg80211_escan_timeout_worker); } static __always_inline void brcmf_delay(u32 ms) @@ -3158,19 +2809,8 @@ static __always_inline void brcmf_delay(u32 ms) static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - - /* - * Check for WL_STATUS_READY before any function call which - * could result is bus access. Don't block the resume for - * any driver error conditions - */ - WL_TRACE("Enter\n"); - - if (test_bit(WL_STATUS_READY, &cfg->status)) - brcmf_invoke_iscan(wiphy_to_cfg(wiphy)); + brcmf_dbg(TRACE, "Enter\n"); - WL_TRACE("Exit\n"); return 0; } @@ -3179,85 +2819,49 @@ static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); struct net_device *ndev = cfg_to_ndev(cfg); + struct brcmf_cfg80211_vif *vif; - WL_TRACE("Enter\n"); + brcmf_dbg(TRACE, "Enter\n"); /* - * Check for WL_STATUS_READY before any function call which - * could result is bus access. Don't block the suspend for - * any driver error conditions + * if the primary net_device is not READY there is nothing + * we can do but pray resume goes smoothly. */ + vif = ((struct brcmf_if *)netdev_priv(ndev))->vif; + if (!check_vif_up(vif)) + goto exit; - /* - * While going to suspend if associated with AP disassociate - * from AP to save power while system is in suspended state - */ - if ((test_bit(WL_STATUS_CONNECTED, &cfg->status) || - test_bit(WL_STATUS_CONNECTING, &cfg->status)) && - test_bit(WL_STATUS_READY, &cfg->status)) { - WL_INFO("Disassociating from AP" - " while entering suspend state\n"); - brcmf_link_down(cfg); - + list_for_each_entry(vif, &cfg->vif_list, list) { + if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) + continue; /* - * Make sure WPA_Supplicant receives all the event + * While going to suspend if associated with AP disassociate + * from AP to save power while system is in suspended state + */ + brcmf_link_down(vif); + + /* Make sure WPA_Supplicant receives all the event * generated due to DISASSOC call to the fw to keep * the state fw and WPA_Supplicant state consistent */ brcmf_delay(500); } - if (test_bit(WL_STATUS_READY, &cfg->status)) + /* end any scanning */ + if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) brcmf_abort_scanning(cfg); - else - clear_bit(WL_STATUS_SCANNING, &cfg->status); /* Turn off watchdog timer */ - if (test_bit(WL_STATUS_READY, &cfg->status)) - brcmf_set_mpc(ndev, 1); - - WL_TRACE("Exit\n"); + brcmf_set_mpc(netdev_priv(ndev), 1); +exit: + brcmf_dbg(TRACE, "Exit\n"); + /* clear any scanning activity */ + cfg->scan_status = 0; return 0; } static __used s32 -brcmf_dev_bufvar_set(struct net_device *ndev, s8 *name, s8 *buf, s32 len) -{ - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); - u32 buflen; - - buflen = brcmf_c_mkiovar(name, buf, len, cfg->dcmd_buf, - WL_DCMD_LEN_MAX); - BUG_ON(!buflen); - - return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, cfg->dcmd_buf, - buflen); -} - -static s32 -brcmf_dev_bufvar_get(struct net_device *ndev, s8 *name, s8 *buf, - s32 buf_len) -{ - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); - u32 len; - s32 err = 0; - - len = brcmf_c_mkiovar(name, NULL, 0, cfg->dcmd_buf, - WL_DCMD_LEN_MAX); - BUG_ON(!len); - err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, cfg->dcmd_buf, - WL_DCMD_LEN_MAX); - if (err) { - WL_ERR("error (%d)\n", err); - return err; - } - memcpy(buf, cfg->dcmd_buf, buf_len); - - return err; -} - -static __used s32 brcmf_update_pmklist(struct net_device *ndev, struct brcmf_cfg80211_pmk_list *pmk_list, s32 err) { @@ -3266,17 +2870,18 @@ brcmf_update_pmklist(struct net_device *ndev, pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid); - WL_CONN("No of elements %d\n", pmkid_len); + brcmf_dbg(CONN, "No of elements %d\n", pmkid_len); for (i = 0; i < pmkid_len; i++) { - WL_CONN("PMKID[%d]: %pM =\n", i, - &pmk_list->pmkids.pmkid[i].BSSID); + brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i, + &pmk_list->pmkids.pmkid[i].BSSID); for (j = 0; j < WLAN_PMKID_LEN; j++) - WL_CONN("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j]); + brcmf_dbg(CONN, "%02x\n", + pmk_list->pmkids.pmkid[i].PMKID[j]); } if (!err) - brcmf_dev_bufvar_set(ndev, "pmkid_info", (char *)pmk_list, - sizeof(*pmk_list)); + brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info", + (char *)pmk_list, sizeof(*pmk_list)); return err; } @@ -3286,13 +2891,14 @@ brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_pmksa *pmksa) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); struct pmkid_list *pmkids = &cfg->pmk_list->pmkids; s32 err = 0; int i; int pmkid_len; - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + if (!check_vif_up(ifp->vif)) return -EIO; pmkid_len = le32_to_cpu(pmkids->npmkid); @@ -3309,14 +2915,14 @@ brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, } else err = -EINVAL; - WL_CONN("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", - pmkids->pmkid[pmkid_len].BSSID); + brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", + pmkids->pmkid[pmkid_len].BSSID); for (i = 0; i < WLAN_PMKID_LEN; i++) - WL_CONN("%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]); + brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]); err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -3325,21 +2931,22 @@ brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_pmksa *pmksa) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); struct pmkid_list pmkid; s32 err = 0; int i, pmkid_len; - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + if (!check_vif_up(ifp->vif)) return -EIO; memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN); memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); - WL_CONN("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", - &pmkid.pmkid[0].BSSID); + brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", + &pmkid.pmkid[0].BSSID); for (i = 0; i < WLAN_PMKID_LEN; i++) - WL_CONN("%02x\n", pmkid.pmkid[0].PMKID[i]); + brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]); pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid); for (i = 0; i < pmkid_len; i++) @@ -3366,7 +2973,7 @@ brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -3375,16 +2982,17 @@ static s32 brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); s32 err = 0; - WL_TRACE("Enter\n"); - if (!check_sys_up(wiphy)) + brcmf_dbg(TRACE, "Enter\n"); + if (!check_vif_up(ifp->vif)) return -EIO; memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list)); err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -3398,10 +3006,10 @@ brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) * cfg80211_scan_request one out of the received PNO event. */ static s32 -brcmf_notify_sched_scan_results(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, +brcmf_notify_sched_scan_results(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data) { + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; struct brcmf_pno_net_info_le *netinfo, *netinfo_start; struct cfg80211_scan_request *request = NULL; struct cfg80211_ssid *ssid = NULL; @@ -3414,10 +3022,10 @@ brcmf_notify_sched_scan_results(struct brcmf_cfg80211_info *cfg, u32 result_count; u32 status; - WL_SCAN("Enter\n"); + brcmf_dbg(SCAN, "Enter\n"); - if (e->event_type == cpu_to_be32(BRCMF_E_PFN_NET_LOST)) { - WL_SCAN("PFN NET LOST event. Do Nothing\n"); + if (e->event_code == BRCMF_E_PFN_NET_LOST) { + brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n"); return 0; } @@ -3430,7 +3038,7 @@ brcmf_notify_sched_scan_results(struct brcmf_cfg80211_info *cfg, * multiple NET_FOUND events. For now place a warning here. */ WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE); - WL_SCAN("PFN NET FOUND event. count: %d\n", result_count); + brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count); if (result_count > 0) { int i; @@ -3449,13 +3057,14 @@ brcmf_notify_sched_scan_results(struct brcmf_cfg80211_info *cfg, for (i = 0; i < result_count; i++) { netinfo = &netinfo_start[i]; if (!netinfo) { - WL_ERR("Invalid netinfo ptr. index: %d\n", i); + brcmf_err("Invalid netinfo ptr. index: %d\n", + i); err = -EINVAL; goto out_err; } - WL_SCAN("SSID:%s Channel:%d\n", - netinfo->SSID, netinfo->channel); + brcmf_dbg(SCAN, "SSID:%s Channel:%d\n", + netinfo->SSID, netinfo->channel); memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len); ssid[i].ssid_len = netinfo->SSID_len; request->n_ssids++; @@ -3478,21 +3087,22 @@ brcmf_notify_sched_scan_results(struct brcmf_cfg80211_info *cfg, if (request->n_ssids) request->ssids = &ssid[0]; - if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { + if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { /* Abort any on-going scan */ brcmf_abort_scanning(cfg); } - set_bit(WL_STATUS_SCANNING, &cfg->status); - err = brcmf_do_escan(cfg, wiphy, ndev, request); + set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); + cfg->escan_info.run = brcmf_run_escan; + err = brcmf_do_escan(cfg, wiphy, ifp, request); if (err) { - clear_bit(WL_STATUS_SCANNING, &cfg->status); + clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); goto out_err; } cfg->sched_escan = true; cfg->scan_request = request; } else { - WL_ERR("FALSE PNO Event. (pfn_count == 0)\n"); + brcmf_err("FALSE PNO Event. (pfn_count == 0)\n"); goto out_err; } @@ -3509,21 +3119,19 @@ out_err: return err; } -#ifndef CONFIG_BRCMISCAN static int brcmf_dev_pno_clean(struct net_device *ndev) { - char iovbuf[128]; int ret; /* Disable pfn */ - ret = brcmf_dev_intvar_set(ndev, "pfn", 0); + ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0); if (ret == 0) { /* clear pfn */ - ret = brcmf_dev_iovar_setbuf(ndev, "pfnclear", NULL, 0, - iovbuf, sizeof(iovbuf)); + ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear", + NULL, 0); } if (ret < 0) - WL_ERR("failed code %d\n", ret); + brcmf_err("failed code %d\n", ret); return ret; } @@ -3531,7 +3139,6 @@ static int brcmf_dev_pno_clean(struct net_device *ndev) static int brcmf_dev_pno_config(struct net_device *ndev) { struct brcmf_pno_param_le pfn_param; - char iovbuf[128]; memset(&pfn_param, 0, sizeof(pfn_param)); pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION); @@ -3544,9 +3151,8 @@ static int brcmf_dev_pno_config(struct net_device *ndev) /* set up pno scan fr */ pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME); - return brcmf_dev_iovar_setbuf(ndev, "pfn_set", - &pfn_param, sizeof(pfn_param), - iovbuf, sizeof(iovbuf)); + return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set", + &pfn_param, sizeof(pfn_param)); } static int @@ -3554,30 +3160,35 @@ brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_sched_scan_request *request) { - char iovbuf[128]; + struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); struct brcmf_pno_net_param_le pfn; int i; int ret = 0; - WL_SCAN("Enter n_match_sets:%d n_ssids:%d\n", - request->n_match_sets, request->n_ssids); - if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { - WL_ERR("Scanning already : status (%lu)\n", cfg->status); + brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n", + request->n_match_sets, request->n_ssids); + if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { + brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); + return -EAGAIN; + } + if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { + brcmf_err("Scanning suppressed: status (%lu)\n", + cfg->scan_status); return -EAGAIN; } - if (!request || !request->n_ssids || !request->n_match_sets) { - WL_ERR("Invalid sched scan req!! n_ssids:%d\n", - request->n_ssids); + if (!request->n_ssids || !request->n_match_sets) { + brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n", + request->n_ssids); return -EINVAL; } if (request->n_ssids > 0) { for (i = 0; i < request->n_ssids; i++) { /* Active scan req for ssids */ - WL_SCAN(">>> Active scan req for ssid (%s)\n", - request->ssids[i].ssid); + brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n", + request->ssids[i].ssid); /* * match_set ssids is a supert set of n_ssid list, @@ -3590,14 +3201,14 @@ brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, /* clean up everything */ ret = brcmf_dev_pno_clean(ndev); if (ret < 0) { - WL_ERR("failed error=%d\n", ret); + brcmf_err("failed error=%d\n", ret); return ret; } /* configure pno */ ret = brcmf_dev_pno_config(ndev); if (ret < 0) { - WL_ERR("PNO setup failed!! ret=%d\n", ret); + brcmf_err("PNO setup failed!! ret=%d\n", ret); return -EINVAL; } @@ -3610,7 +3221,7 @@ brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, ssid_len = ssid->ssid_len; if (!ssid_len) { - WL_ERR("skip broadcast ssid\n"); + brcmf_err("skip broadcast ssid\n"); continue; } pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN); @@ -3620,16 +3231,14 @@ brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT); pfn.ssid.SSID_len = cpu_to_le32(ssid_len); memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len); - ret = brcmf_dev_iovar_setbuf(ndev, "pfn_add", - &pfn, sizeof(pfn), - iovbuf, sizeof(iovbuf)); - WL_SCAN(">>> PNO filter %s for ssid (%s)\n", - ret == 0 ? "set" : "failed", - ssid->ssid); + ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn, + sizeof(pfn)); + brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n", + ret == 0 ? "set" : "failed", ssid->ssid); } /* Enable the PNO */ - if (brcmf_dev_intvar_set(ndev, "pfn", 1) < 0) { - WL_ERR("PNO enable failed!! ret=%d\n", ret); + if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) { + brcmf_err("PNO enable failed!! ret=%d\n", ret); return -EINVAL; } } else { @@ -3644,24 +3253,33 @@ static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy, { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - WL_SCAN("enter\n"); + brcmf_dbg(SCAN, "enter\n"); brcmf_dev_pno_clean(ndev); if (cfg->sched_escan) - brcmf_notify_escan_complete(cfg, ndev, true, true); + brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true); return 0; } -#endif /* CONFIG_BRCMISCAN */ #ifdef CONFIG_NL80211_TESTMODE -static int brcmf_cfg80211_testmode(struct wiphy *wiphy, void *data, int len) +static int brcmf_cfg80211_testmode(struct wiphy *wiphy, + struct wireless_dev *wdev, + void *data, int len) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg->wdev->netdev; + struct net_device *ndev = cfg_to_ndev(cfg); struct brcmf_dcmd *dcmd = data; struct sk_buff *reply; int ret; - ret = brcmf_netlink_dcmd(ndev, dcmd); + brcmf_dbg(TRACE, "cmd %x set %d buf %p len %d\n", dcmd->cmd, dcmd->set, + dcmd->buf, dcmd->len); + + if (dcmd->set) + ret = brcmf_fil_cmd_data_set(netdev_priv(ndev), dcmd->cmd, + dcmd->buf, dcmd->len); + else + ret = brcmf_fil_cmd_data_get(netdev_priv(ndev), dcmd->cmd, + dcmd->buf, dcmd->len); if (ret == 0) { reply = cfg80211_testmode_alloc_reply_skb(wiphy, sizeof(*dcmd)); nla_put(reply, NL80211_ATTR_TESTDATA, sizeof(*dcmd), dcmd); @@ -3671,27 +3289,26 @@ static int brcmf_cfg80211_testmode(struct wiphy *wiphy, void *data, int len) } #endif -static s32 brcmf_configure_opensecurity(struct net_device *ndev, s32 bssidx) +static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp) { s32 err; /* set auth */ - err = brcmf_dev_intvar_set_bsscfg(ndev, "auth", 0, bssidx); + err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0); if (err < 0) { - WL_ERR("auth error %d\n", err); + brcmf_err("auth error %d\n", err); return err; } /* set wsec */ - err = brcmf_dev_intvar_set_bsscfg(ndev, "wsec", 0, bssidx); + err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0); if (err < 0) { - WL_ERR("wsec error %d\n", err); + brcmf_err("wsec error %d\n", err); return err; } /* set upper-layer auth */ - err = brcmf_dev_intvar_set_bsscfg(ndev, "wpa_auth", - WPA_AUTH_NONE, bssidx); + err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE); if (err < 0) { - WL_ERR("wpa_auth error %d\n", err); + brcmf_err("wpa_auth error %d\n", err); return err; } @@ -3707,9 +3324,11 @@ static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie) } static s32 -brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie, - bool is_rsn_ie, s32 bssidx) +brcmf_configure_wpaie(struct net_device *ndev, + const struct brcmf_vs_tlv *wpa_ie, + bool is_rsn_ie) { + struct brcmf_if *ifp = netdev_priv(ndev); u32 auth = 0; /* d11 open authentication */ u16 count; s32 err = 0; @@ -3724,27 +3343,28 @@ brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie, u16 rsn_cap; u32 wme_bss_disable; - WL_TRACE("Enter\n"); + brcmf_dbg(TRACE, "Enter\n"); if (wpa_ie == NULL) goto exit; len = wpa_ie->len + TLV_HDR_LEN; data = (u8 *)wpa_ie; - offset = 0; + offset = TLV_HDR_LEN; if (!is_rsn_ie) offset += VS_IE_FIXED_HDR_LEN; - offset += WPA_IE_VERSION_LEN; + else + offset += WPA_IE_VERSION_LEN; /* check for multicast cipher suite */ if (offset + WPA_IE_MIN_OUI_LEN > len) { err = -EINVAL; - WL_ERR("no multicast cipher suite\n"); + brcmf_err("no multicast cipher suite\n"); goto exit; } if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { err = -EINVAL; - WL_ERR("ivalid OUI\n"); + brcmf_err("ivalid OUI\n"); goto exit; } offset += TLV_OUI_LEN; @@ -3766,7 +3386,7 @@ brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie, break; default: err = -EINVAL; - WL_ERR("Invalid multi cast cipher info\n"); + brcmf_err("Invalid multi cast cipher info\n"); goto exit; } @@ -3777,13 +3397,13 @@ brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie, /* Check for unicast suite(s) */ if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { err = -EINVAL; - WL_ERR("no unicast cipher suite\n"); + brcmf_err("no unicast cipher suite\n"); goto exit; } for (i = 0; i < count; i++) { if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { err = -EINVAL; - WL_ERR("ivalid OUI\n"); + brcmf_err("ivalid OUI\n"); goto exit; } offset += TLV_OUI_LEN; @@ -3801,7 +3421,7 @@ brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie, pval |= AES_ENABLED; break; default: - WL_ERR("Ivalid unicast security info\n"); + brcmf_err("Ivalid unicast security info\n"); } offset++; } @@ -3811,33 +3431,33 @@ brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie, /* Check for auth key management suite(s) */ if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { err = -EINVAL; - WL_ERR("no auth key mgmt suite\n"); + brcmf_err("no auth key mgmt suite\n"); goto exit; } for (i = 0; i < count; i++) { if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { err = -EINVAL; - WL_ERR("ivalid OUI\n"); + brcmf_err("ivalid OUI\n"); goto exit; } offset += TLV_OUI_LEN; switch (data[offset]) { case RSN_AKM_NONE: - WL_TRACE("RSN_AKM_NONE\n"); + brcmf_dbg(TRACE, "RSN_AKM_NONE\n"); wpa_auth |= WPA_AUTH_NONE; break; case RSN_AKM_UNSPECIFIED: - WL_TRACE("RSN_AKM_UNSPECIFIED\n"); + brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n"); is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) : (wpa_auth |= WPA_AUTH_UNSPECIFIED); break; case RSN_AKM_PSK: - WL_TRACE("RSN_AKM_PSK\n"); + brcmf_dbg(TRACE, "RSN_AKM_PSK\n"); is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) : (wpa_auth |= WPA_AUTH_PSK); break; default: - WL_ERR("Ivalid key mgmt info\n"); + brcmf_err("Ivalid key mgmt info\n"); } offset++; } @@ -3850,10 +3470,10 @@ brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie, wme_bss_disable = 0; } /* set wme_bss_disable to sync RSN Capabilities */ - err = brcmf_dev_intvar_set_bsscfg(ndev, "wme_bss_disable", - wme_bss_disable, bssidx); + err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable", + wme_bss_disable); if (err < 0) { - WL_ERR("wme_bss_disable error %d\n", err); + brcmf_err("wme_bss_disable error %d\n", err); goto exit; } } @@ -3861,21 +3481,21 @@ brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie, wsec = (pval | gval | SES_OW_ENABLED); /* set auth */ - err = brcmf_dev_intvar_set_bsscfg(ndev, "auth", auth, bssidx); + err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth); if (err < 0) { - WL_ERR("auth error %d\n", err); + brcmf_err("auth error %d\n", err); goto exit; } /* set wsec */ - err = brcmf_dev_intvar_set_bsscfg(ndev, "wsec", wsec, bssidx); + err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); if (err < 0) { - WL_ERR("wsec error %d\n", err); + brcmf_err("wsec error %d\n", err); goto exit; } /* set upper-layer auth */ - err = brcmf_dev_intvar_set_bsscfg(ndev, "wpa_auth", wpa_auth, bssidx); + err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth); if (err < 0) { - WL_ERR("wpa_auth error %d\n", err); + brcmf_err("wpa_auth error %d\n", err); goto exit; } @@ -3884,7 +3504,7 @@ exit: } static s32 -brcmf_parse_vndr_ies(u8 *vndr_ie_buf, u32 vndr_ie_len, +brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len, struct parsed_vndr_ies *vndr_ies) { s32 err = 0; @@ -3903,15 +3523,15 @@ brcmf_parse_vndr_ies(u8 *vndr_ie_buf, u32 vndr_ie_len, vndrie = (struct brcmf_vs_tlv *)ie; /* len should be bigger than OUI length + one */ if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) { - WL_ERR("invalid vndr ie. length is too small %d\n", - vndrie->len); + brcmf_err("invalid vndr ie. length is too small %d\n", + vndrie->len); goto next; } /* if wpa or wme ie, do not add ie */ if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) && ((vndrie->oui_type == WPA_OUI_TYPE) || (vndrie->oui_type == WME_OUI_TYPE))) { - WL_TRACE("Found WPA/WME oui. Do not add it\n"); + brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n"); goto next; } @@ -3924,20 +3544,21 @@ brcmf_parse_vndr_ies(u8 *vndr_ie_buf, u32 vndr_ie_len, vndr_ies->count++; - WL_TRACE("** OUI %02x %02x %02x, type 0x%02x\n", - parsed_info->vndrie.oui[0], - parsed_info->vndrie.oui[1], - parsed_info->vndrie.oui[2], - parsed_info->vndrie.oui_type); + brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n", + parsed_info->vndrie.oui[0], + parsed_info->vndrie.oui[1], + parsed_info->vndrie.oui[2], + parsed_info->vndrie.oui_type); - if (vndr_ies->count >= MAX_VNDR_IE_NUMBER) + if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT) break; next: - remaining_len -= ie->len; - if (remaining_len <= 2) + remaining_len -= (ie->len + TLV_HDR_LEN); + if (remaining_len <= TLV_HDR_LEN) ie = NULL; else - ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len); + ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len + + TLV_HDR_LEN); } return err; } @@ -3963,17 +3584,17 @@ brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) return ie_len + VNDR_IE_HDR_SIZE; } -s32 -brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, s32 bssidx, s32 pktflag, - u8 *vndr_ie_buf, u32 vndr_ie_len) +s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, + const u8 *vndr_ie_buf, u32 vndr_ie_len) { + struct brcmf_if *ifp; + struct vif_saved_ie *saved_ie; s32 err = 0; u8 *iovar_ie_buf; u8 *curr_ie_buf; u8 *mgmt_ie_buf = NULL; - u32 mgmt_ie_buf_len = 0; - u32 *mgmt_ie_len = 0; + int mgmt_ie_buf_len; + u32 *mgmt_ie_len; u32 del_add_ie_buf_len = 0; u32 total_ie_buf_len = 0; u32 parsed_ie_buf_len = 0; @@ -3982,42 +3603,48 @@ brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg, struct parsed_vndr_ie_info *vndrie_info; s32 i; u8 *ptr; - u32 remained_buf_len; + int remained_buf_len; - WL_TRACE("bssidx %d, pktflag : 0x%02X\n", bssidx, pktflag); + if (!vif) + return -ENODEV; + ifp = vif->ifp; + saved_ie = &vif->saved_ie; + + brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag); iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); if (!iovar_ie_buf) return -ENOMEM; curr_ie_buf = iovar_ie_buf; - if (test_bit(WL_STATUS_AP_CREATING, &cfg->status) || - test_bit(WL_STATUS_AP_CREATED, &cfg->status)) { - switch (pktflag) { - case VNDR_IE_PRBRSP_FLAG: - mgmt_ie_buf = cfg->ap_info->probe_res_ie; - mgmt_ie_len = &cfg->ap_info->probe_res_ie_len; - mgmt_ie_buf_len = - sizeof(cfg->ap_info->probe_res_ie); - break; - case VNDR_IE_BEACON_FLAG: - mgmt_ie_buf = cfg->ap_info->beacon_ie; - mgmt_ie_len = &cfg->ap_info->beacon_ie_len; - mgmt_ie_buf_len = sizeof(cfg->ap_info->beacon_ie); - break; - default: - err = -EPERM; - WL_ERR("not suitable type\n"); - goto exit; - } - bssidx = 0; - } else { + switch (pktflag) { + case BRCMF_VNDR_IE_PRBREQ_FLAG: + mgmt_ie_buf = saved_ie->probe_req_ie; + mgmt_ie_len = &saved_ie->probe_req_ie_len; + mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie); + break; + case BRCMF_VNDR_IE_PRBRSP_FLAG: + mgmt_ie_buf = saved_ie->probe_res_ie; + mgmt_ie_len = &saved_ie->probe_res_ie_len; + mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie); + break; + case BRCMF_VNDR_IE_BEACON_FLAG: + mgmt_ie_buf = saved_ie->beacon_ie; + mgmt_ie_len = &saved_ie->beacon_ie_len; + mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie); + break; + case BRCMF_VNDR_IE_ASSOCREQ_FLAG: + mgmt_ie_buf = saved_ie->assoc_req_ie; + mgmt_ie_len = &saved_ie->assoc_req_ie_len; + mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie); + break; + default: err = -EPERM; - WL_ERR("not suitable type\n"); + brcmf_err("not suitable type\n"); goto exit; } if (vndr_ie_len > mgmt_ie_buf_len) { err = -ENOMEM; - WL_ERR("extra IE size too big\n"); + brcmf_err("extra IE size too big\n"); goto exit; } @@ -4033,11 +3660,11 @@ brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg, } } - if (mgmt_ie_buf != NULL) { + if (mgmt_ie_buf && *mgmt_ie_len) { if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) && (memcmp(mgmt_ie_buf, curr_ie_buf, parsed_ie_buf_len) == 0)) { - WL_TRACE("Previous mgmt IE is equals to current IE"); + brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n"); goto exit; } @@ -4048,12 +3675,12 @@ brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg, for (i = 0; i < old_vndr_ies.count; i++) { vndrie_info = &old_vndr_ies.ie_info[i]; - WL_TRACE("DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n", - vndrie_info->vndrie.id, - vndrie_info->vndrie.len, - vndrie_info->vndrie.oui[0], - vndrie_info->vndrie.oui[1], - vndrie_info->vndrie.oui[2]); + brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n", + vndrie_info->vndrie.id, + vndrie_info->vndrie.len, + vndrie_info->vndrie.oui[0], + vndrie_info->vndrie.oui[1], + vndrie_info->vndrie.oui[2]); del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, vndrie_info->ie_ptr, @@ -4075,24 +3702,27 @@ brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg, for (i = 0; i < new_vndr_ies.count; i++) { vndrie_info = &new_vndr_ies.ie_info[i]; - WL_TRACE("ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n", - vndrie_info->vndrie.id, - vndrie_info->vndrie.len, - vndrie_info->vndrie.oui[0], - vndrie_info->vndrie.oui[1], - vndrie_info->vndrie.oui[2]); + /* verify remained buf size before copy data */ + if (remained_buf_len < (vndrie_info->vndrie.len + + VNDR_IE_VSIE_OFFSET)) { + brcmf_err("no space in mgmt_ie_buf: len left %d", + remained_buf_len); + break; + } + remained_buf_len -= (vndrie_info->ie_len + + VNDR_IE_VSIE_OFFSET); + + brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n", + vndrie_info->vndrie.id, + vndrie_info->vndrie.len, + vndrie_info->vndrie.oui[0], + vndrie_info->vndrie.oui[1], + vndrie_info->vndrie.oui[2]); del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, vndrie_info->ie_ptr, vndrie_info->ie_len, "add"); - /* verify remained buf size before copy data */ - remained_buf_len -= vndrie_info->ie_len; - if (remained_buf_len < 0) { - WL_ERR("no space in mgmt_ie_buf: len left %d", - remained_buf_len); - break; - } /* save the parsed IE in wl struct */ memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr, @@ -4104,13 +3734,10 @@ brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg, } } if (total_ie_buf_len) { - err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "vndr_ie", - iovar_ie_buf, - total_ie_buf_len, - cfg->extra_buf, - WL_EXTRA_BUF_MAX, bssidx); + err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf, + total_ie_buf_len); if (err) - WL_ERR("vndr ie set error : %d\n", err); + brcmf_err("vndr ie set error : %d\n", err); } exit: @@ -4118,32 +3745,75 @@ exit: return err; } +s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif) +{ + s32 pktflags[] = { + BRCMF_VNDR_IE_PRBREQ_FLAG, + BRCMF_VNDR_IE_PRBRSP_FLAG, + BRCMF_VNDR_IE_BEACON_FLAG + }; + int i; + + for (i = 0; i < ARRAY_SIZE(pktflags); i++) + brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0); + + memset(&vif->saved_ie, 0, sizeof(vif->saved_ie)); + return 0; +} + +static s32 +brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif, + struct cfg80211_beacon_data *beacon) +{ + s32 err; + + /* Set Beacon IEs to FW */ + err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG, + beacon->tail, beacon->tail_len); + if (err) { + brcmf_err("Set Beacon IE Failed\n"); + return err; + } + brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n"); + + /* Set Probe Response IEs to FW */ + err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG, + beacon->proberesp_ies, + beacon->proberesp_ies_len); + if (err) + brcmf_err("Set Probe Resp IE Failed\n"); + else + brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n"); + + return err; +} + static s32 brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_ap_settings *settings) { s32 ie_offset; - struct brcmf_tlv *ssid_ie; + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(ndev); + const struct brcmf_tlv *ssid_ie; struct brcmf_ssid_le ssid_le; - s32 ioctl_value; s32 err = -EPERM; - struct brcmf_tlv *rsn_ie; - struct brcmf_vs_tlv *wpa_ie; + const struct brcmf_tlv *rsn_ie; + const struct brcmf_vs_tlv *wpa_ie; struct brcmf_join_params join_params; - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - s32 bssidx = 0; + enum nl80211_iftype dev_role; + struct brcmf_fil_bss_enable_le bss_enable; + u16 chanspec; - WL_TRACE("channel_type=%d, beacon_interval=%d, dtim_period=%d,\n", - settings->channel_type, settings->beacon_interval, - settings->dtim_period); - WL_TRACE("ssid=%s(%d), auth_type=%d, inactivity_timeout=%d\n", - settings->ssid, settings->ssid_len, settings->auth_type, - settings->inactivity_timeout); + brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n", + settings->chandef.chan->hw_value, + settings->chandef.center_freq1, settings->chandef.width, + settings->beacon_interval, settings->dtim_period); + brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n", + settings->ssid, settings->ssid_len, settings->auth_type, + settings->inactivity_timeout); - if (!test_bit(WL_STATUS_AP_CREATING, &cfg->status)) { - WL_ERR("Not in AP creation mode\n"); - return -EPERM; - } + dev_role = ifp->vif->wdev.iftype; memset(&ssid_le, 0, sizeof(ssid_le)); if (settings->ssid == NULL || settings->ssid_len == 0) { @@ -4157,31 +3827,14 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len); ssid_le.SSID_len = cpu_to_le32(ssid_ie->len); - WL_TRACE("SSID is (%s) in Head\n", ssid_le.SSID); + brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID); } else { memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len); ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len); } - brcmf_set_mpc(ndev, 0); - ioctl_value = 1; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_DOWN, &ioctl_value); - if (err < 0) { - WL_ERR("BRCMF_C_DOWN error %d\n", err); - goto exit; - } - ioctl_value = 1; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &ioctl_value); - if (err < 0) { - WL_ERR("SET INFRA error %d\n", err); - goto exit; - } - ioctl_value = 1; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AP, &ioctl_value); - if (err < 0) { - WL_ERR("setting AP mode failed %d\n", err); - goto exit; - } + brcmf_set_mpc(ifp, 0); + brcmf_configure_arp_offload(ifp, false); /* find the RSN_IE */ rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, @@ -4191,163 +3844,433 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail, settings->beacon.tail_len); - kfree(cfg->ap_info->rsn_ie); - cfg->ap_info->rsn_ie = NULL; - kfree(cfg->ap_info->wpa_ie); - cfg->ap_info->wpa_ie = NULL; - if ((wpa_ie != NULL || rsn_ie != NULL)) { - WL_TRACE("WPA(2) IE is found\n"); + brcmf_dbg(TRACE, "WPA(2) IE is found\n"); if (wpa_ie != NULL) { /* WPA IE */ - err = brcmf_configure_wpaie(ndev, wpa_ie, false, - bssidx); + err = brcmf_configure_wpaie(ndev, wpa_ie, false); if (err < 0) goto exit; - cfg->ap_info->wpa_ie = kmemdup(wpa_ie, - wpa_ie->len + - TLV_HDR_LEN, - GFP_KERNEL); } else { /* RSN IE */ err = brcmf_configure_wpaie(ndev, - (struct brcmf_vs_tlv *)rsn_ie, true, bssidx); + (struct brcmf_vs_tlv *)rsn_ie, true); if (err < 0) goto exit; - cfg->ap_info->rsn_ie = kmemdup(rsn_ie, - rsn_ie->len + - TLV_HDR_LEN, - GFP_KERNEL); } - cfg->ap_info->security_mode = true; } else { - WL_TRACE("No WPA(2) IEs found\n"); - brcmf_configure_opensecurity(ndev, bssidx); - cfg->ap_info->security_mode = false; + brcmf_dbg(TRACE, "No WPA(2) IEs found\n"); + brcmf_configure_opensecurity(ifp); } - /* Set Beacon IEs to FW */ - err = brcmf_set_management_ie(cfg, ndev, bssidx, - VNDR_IE_BEACON_FLAG, - (u8 *)settings->beacon.tail, - settings->beacon.tail_len); - if (err) - WL_ERR("Set Beacon IE Failed\n"); - else - WL_TRACE("Applied Vndr IEs for Beacon\n"); - /* Set Probe Response IEs to FW */ - err = brcmf_set_management_ie(cfg, ndev, bssidx, - VNDR_IE_PRBRSP_FLAG, - (u8 *)settings->beacon.proberesp_ies, - settings->beacon.proberesp_ies_len); - if (err) - WL_ERR("Set Probe Resp IE Failed\n"); - else - WL_TRACE("Applied Vndr IEs for Probe Resp\n"); + brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon); + + chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef); + err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec); + if (err < 0) { + brcmf_err("Set Channel failed: chspec=%d, %d\n", chanspec, err); + goto exit; + } if (settings->beacon_interval) { - ioctl_value = settings->beacon_interval; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_BCNPRD, - &ioctl_value); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, + settings->beacon_interval); if (err < 0) { - WL_ERR("Beacon Interval Set Error, %d\n", err); + brcmf_err("Beacon Interval Set Error, %d\n", err); goto exit; } } if (settings->dtim_period) { - ioctl_value = settings->dtim_period; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_DTIMPRD, - &ioctl_value); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD, + settings->dtim_period); if (err < 0) { - WL_ERR("DTIM Interval Set Error, %d\n", err); + brcmf_err("DTIM Interval Set Error, %d\n", err); goto exit; } } - ioctl_value = 1; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_UP, &ioctl_value); - if (err < 0) { - WL_ERR("BRCMF_C_UP error (%d)\n", err); - goto exit; + + if (dev_role == NL80211_IFTYPE_AP) { + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); + if (err < 0) { + brcmf_err("BRCMF_C_DOWN error %d\n", err); + goto exit; + } + brcmf_fil_iovar_int_set(ifp, "apsta", 0); } - memset(&join_params, 0, sizeof(join_params)); - /* join parameters starts with ssid */ - memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); - /* create softap */ - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, &join_params, - sizeof(join_params)); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1); if (err < 0) { - WL_ERR("SET SSID error (%d)\n", err); + brcmf_err("SET INFRA error %d\n", err); goto exit; } - clear_bit(WL_STATUS_AP_CREATING, &cfg->status); - set_bit(WL_STATUS_AP_CREATED, &cfg->status); + if (dev_role == NL80211_IFTYPE_AP) { + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1); + if (err < 0) { + brcmf_err("setting AP mode failed %d\n", err); + goto exit; + } + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); + if (err < 0) { + brcmf_err("BRCMF_C_UP error (%d)\n", err); + goto exit; + } + + memset(&join_params, 0, sizeof(join_params)); + /* join parameters starts with ssid */ + memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); + /* create softap */ + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, + &join_params, sizeof(join_params)); + if (err < 0) { + brcmf_err("SET SSID error (%d)\n", err); + goto exit; + } + brcmf_dbg(TRACE, "AP mode configuration complete\n"); + } else { + err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le, + sizeof(ssid_le)); + if (err < 0) { + brcmf_err("setting ssid failed %d\n", err); + goto exit; + } + bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx); + bss_enable.enable = cpu_to_le32(1); + err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, + sizeof(bss_enable)); + if (err < 0) { + brcmf_err("bss_enable config failed %d\n", err); + goto exit; + } + + brcmf_dbg(TRACE, "GO mode configuration complete\n"); + } + clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); + set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); exit: - if (err) - brcmf_set_mpc(ndev, 1); + if (err) { + brcmf_set_mpc(ifp, 1); + brcmf_configure_arp_offload(ifp, true); + } return err; } static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) { - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - s32 ioctl_value; - s32 err = -EPERM; + struct brcmf_if *ifp = netdev_priv(ndev); + s32 err; + struct brcmf_fil_bss_enable_le bss_enable; + struct brcmf_join_params join_params; - WL_TRACE("Enter\n"); + brcmf_dbg(TRACE, "Enter\n"); - if (cfg->conf->mode == WL_MODE_AP) { + if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) { /* Due to most likely deauths outstanding we sleep */ /* first to make sure they get processed by fw. */ msleep(400); - ioctl_value = 0; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AP, &ioctl_value); - if (err < 0) { - WL_ERR("setting AP mode failed %d\n", err); - goto exit; - } - ioctl_value = 0; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_UP, &ioctl_value); - if (err < 0) { - WL_ERR("BRCMF_C_UP error %d\n", err); - goto exit; - } - brcmf_set_mpc(ndev, 1); - clear_bit(WL_STATUS_AP_CREATING, &cfg->status); - clear_bit(WL_STATUS_AP_CREATED, &cfg->status); - } -exit: + + memset(&join_params, 0, sizeof(join_params)); + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, + &join_params, sizeof(join_params)); + if (err < 0) + brcmf_err("SET SSID error (%d)\n", err); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0); + if (err < 0) + brcmf_err("BRCMF_C_UP error %d\n", err); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0); + if (err < 0) + brcmf_err("setting AP mode failed %d\n", err); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0); + if (err < 0) + brcmf_err("setting INFRA mode failed %d\n", err); + } else { + bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx); + bss_enable.enable = cpu_to_le32(0); + err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, + sizeof(bss_enable)); + if (err < 0) + brcmf_err("bss_enable config failed %d\n", err); + } + brcmf_set_mpc(ifp, 1); + brcmf_configure_arp_offload(ifp, true); + set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); + clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); + + return err; +} + +static s32 +brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev, + struct cfg80211_beacon_data *info) +{ + struct brcmf_if *ifp = netdev_priv(ndev); + s32 err; + + brcmf_dbg(TRACE, "Enter\n"); + + err = brcmf_config_ap_mgmt_ie(ifp->vif, info); + return err; } static int brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, - u8 *mac) + const u8 *mac) { + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); struct brcmf_scb_val_le scbval; + struct brcmf_if *ifp = netdev_priv(ndev); s32 err; if (!mac) return -EFAULT; - WL_TRACE("Enter %pM\n", mac); + brcmf_dbg(TRACE, "Enter %pM\n", mac); - if (!check_sys_up(wiphy)) + if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) + ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; + if (!check_vif_up(ifp->vif)) return -EIO; memcpy(&scbval.ea, mac, ETH_ALEN); scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON, - &scbval, sizeof(scbval)); + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON, + &scbval, sizeof(scbval)); if (err) - WL_ERR("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err); + brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err); + + brcmf_dbg(TRACE, "Exit\n"); + return err; +} + + +static void +brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy, + struct wireless_dev *wdev, + u16 frame_type, bool reg) +{ + struct brcmf_cfg80211_vif *vif; + u16 mgmt_type; + + brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg); + + mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + if (reg) + vif->mgmt_rx_reg |= BIT(mgmt_type); + else + vif->mgmt_rx_reg &= ~BIT(mgmt_type); +} + + +static int +brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, + struct cfg80211_mgmt_tx_params *params, u64 *cookie) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct ieee80211_channel *chan = params->chan; + const u8 *buf = params->buf; + size_t len = params->len; + const struct ieee80211_mgmt *mgmt; + struct brcmf_cfg80211_vif *vif; + s32 err = 0; + s32 ie_offset; + s32 ie_len; + struct brcmf_fil_action_frame_le *action_frame; + struct brcmf_fil_af_params_le *af_params; + bool ack; + s32 chan_nr; + u32 freq; + + brcmf_dbg(TRACE, "Enter\n"); + + *cookie = 0; + + mgmt = (const struct ieee80211_mgmt *)buf; + + if (!ieee80211_is_mgmt(mgmt->frame_control)) { + brcmf_err("Driver only allows MGMT packet type\n"); + return -EPERM; + } + + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + + if (ieee80211_is_probe_resp(mgmt->frame_control)) { + /* Right now the only reason to get a probe response */ + /* is for p2p listen response or for p2p GO from */ + /* wpa_supplicant. Unfortunately the probe is send */ + /* on primary ndev, while dongle wants it on the p2p */ + /* vif. Since this is only reason for a probe */ + /* response to be sent, the vif is taken from cfg. */ + /* If ever desired to send proberesp for non p2p */ + /* response then data should be checked for */ + /* "DIRECT-". Note in future supplicant will take */ + /* dedicated p2p wdev to do this and then this 'hack'*/ + /* is not needed anymore. */ + ie_offset = DOT11_MGMT_HDR_LEN + + DOT11_BCN_PRB_FIXED_LEN; + ie_len = len - ie_offset; + if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) + vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + err = brcmf_vif_set_mgmt_ie(vif, + BRCMF_VNDR_IE_PRBRSP_FLAG, + &buf[ie_offset], + ie_len); + cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, + GFP_KERNEL); + } else if (ieee80211_is_action(mgmt->frame_control)) { + af_params = kzalloc(sizeof(*af_params), GFP_KERNEL); + if (af_params == NULL) { + brcmf_err("unable to allocate frame\n"); + err = -ENOMEM; + goto exit; + } + action_frame = &af_params->action_frame; + /* Add the packet Id */ + action_frame->packet_id = cpu_to_le32(*cookie); + /* Add BSSID */ + memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN); + memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN); + /* Add the length exepted for 802.11 header */ + action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN); + /* Add the channel. Use the one specified as parameter if any or + * the current one (got from the firmware) otherwise + */ + if (chan) + freq = chan->center_freq; + else + brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL, + &freq); + chan_nr = ieee80211_frequency_to_channel(freq); + af_params->channel = cpu_to_le32(chan_nr); + + memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], + le16_to_cpu(action_frame->len)); + + brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n", + *cookie, le16_to_cpu(action_frame->len), freq); + + ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg), + af_params); + + cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack, + GFP_KERNEL); + kfree(af_params); + } else { + brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control); + brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len); + } + +exit: + return err; +} + + +static int +brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + u64 cookie) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_cfg80211_vif *vif; + int err = 0; - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Enter p2p listen cancel\n"); + + vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (vif == NULL) { + brcmf_err("No p2p device available for probe response\n"); + err = -ENODEV; + goto exit; + } + brcmf_p2p_cancel_remain_on_channel(vif->ifp); +exit: return err; } +static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy, + struct wireless_dev *wdev, + enum nl80211_crit_proto_id proto, + u16 duration) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_cfg80211_vif *vif; + + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + + /* only DHCP support for now */ + if (proto != NL80211_CRIT_PROTO_DHCP) + return -EINVAL; + + /* suppress and abort scanning */ + set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); + brcmf_abort_scanning(cfg); + + return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration); +} + +static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy, + struct wireless_dev *wdev) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_cfg80211_vif *vif; + + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + + brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); + clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); +} + +static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper) +{ + int ret; + + switch (oper) { + case NL80211_TDLS_DISCOVERY_REQ: + ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY; + break; + case NL80211_TDLS_SETUP: + ret = BRCMF_TDLS_MANUAL_EP_CREATE; + break; + case NL80211_TDLS_TEARDOWN: + ret = BRCMF_TDLS_MANUAL_EP_DELETE; + break; + default: + brcmf_err("unsupported operation: %d\n", oper); + ret = -EOPNOTSUPP; + } + return ret; +} + +static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy, + struct net_device *ndev, const u8 *peer, + enum nl80211_tdls_operation oper) +{ + struct brcmf_if *ifp; + struct brcmf_tdls_iovar_le info; + int ret = 0; + + ret = brcmf_convert_nl80211_tdls_oper(oper); + if (ret < 0) + return ret; + + ifp = netdev_priv(ndev); + memset(&info, 0, sizeof(info)); + info.mode = (u8)ret; + if (peer) + memcpy(info.ea, peer, ETH_ALEN); + + ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint", + &info, sizeof(info)); + if (ret < 0) + brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret); + + return ret; +} + static struct cfg80211_ops wl_cfg80211_ops = { + .add_virtual_intf = brcmf_cfg80211_add_iface, + .del_virtual_intf = brcmf_cfg80211_del_iface, .change_virtual_intf = brcmf_cfg80211_change_iface, .scan = brcmf_cfg80211_scan, .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, @@ -4362,7 +4285,6 @@ static struct cfg80211_ops wl_cfg80211_ops = { .set_default_key = brcmf_cfg80211_config_default_key, .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, - .set_bitrate_mask = brcmf_cfg80211_set_bitrate_mask, .connect = brcmf_cfg80211_connect, .disconnect = brcmf_cfg80211_disconnect, .suspend = brcmf_cfg80211_suspend, @@ -4372,135 +4294,197 @@ static struct cfg80211_ops wl_cfg80211_ops = { .flush_pmksa = brcmf_cfg80211_flush_pmksa, .start_ap = brcmf_cfg80211_start_ap, .stop_ap = brcmf_cfg80211_stop_ap, + .change_beacon = brcmf_cfg80211_change_beacon, .del_station = brcmf_cfg80211_del_station, -#ifndef CONFIG_BRCMISCAN - /* scheduled scan need e-scan, which is mutual exclusive with i-scan */ .sched_scan_start = brcmf_cfg80211_sched_scan_start, .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, -#endif -#ifdef CONFIG_NL80211_TESTMODE - .testmode_cmd = brcmf_cfg80211_testmode -#endif + .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register, + .mgmt_tx = brcmf_cfg80211_mgmt_tx, + .remain_on_channel = brcmf_p2p_remain_on_channel, + .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel, + .start_p2p_device = brcmf_p2p_start_device, + .stop_p2p_device = brcmf_p2p_stop_device, + .crit_proto_start = brcmf_cfg80211_crit_proto_start, + .crit_proto_stop = brcmf_cfg80211_crit_proto_stop, + .tdls_oper = brcmf_cfg80211_tdls_oper, + CFG80211_TESTMODE_CMD(brcmf_cfg80211_testmode) }; -static s32 brcmf_mode_to_nl80211_iftype(s32 mode) -{ - s32 err = 0; - - switch (mode) { - case WL_MODE_BSS: - return NL80211_IFTYPE_STATION; - case WL_MODE_IBSS: - return NL80211_IFTYPE_ADHOC; - default: - return NL80211_IFTYPE_UNSPECIFIED; - } - - return err; -} - static void brcmf_wiphy_pno_params(struct wiphy *wiphy) { -#ifndef CONFIG_BRCMFISCAN /* scheduled scan settings */ wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; -#endif } -static struct wireless_dev *brcmf_alloc_wdev(struct device *ndev) +static const struct ieee80211_iface_limit brcmf_iface_limits[] = { + { + .max = 2, + .types = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_AP) + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_DEVICE) + } +}; +static const struct ieee80211_iface_combination brcmf_iface_combos[] = { + { + .max_interfaces = BRCMF_IFACE_MAX_CNT, + .num_different_channels = 2, + .n_limits = ARRAY_SIZE(brcmf_iface_limits), + .limits = brcmf_iface_limits + } +}; + +static const struct ieee80211_txrx_stypes +brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { + [NL80211_IFTYPE_STATION] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_CLIENT] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_GO] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_ACTION >> 4) + }, + [NL80211_IFTYPE_P2P_DEVICE] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + } +}; + +static struct wiphy *brcmf_setup_wiphy(struct device *phydev) { - struct wireless_dev *wdev; + struct wiphy *wiphy; s32 err = 0; - wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); - if (!wdev) + wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info)); + if (!wiphy) { + brcmf_err("Could not allocate wiphy device\n"); return ERR_PTR(-ENOMEM); - - wdev->wiphy = wiphy_new(&wl_cfg80211_ops, - sizeof(struct brcmf_cfg80211_info)); - if (!wdev->wiphy) { - WL_ERR("Could not allocate wiphy device\n"); - err = -ENOMEM; - goto wiphy_new_out; - } - set_wiphy_dev(wdev->wiphy, ndev); - wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; - wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; - wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_AP); - wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; - wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set - * it as 11a by default. - * This will be updated with - * 11n phy tables in - * "ifconfig up" - * if phy has 11n capability - */ - wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; - wdev->wiphy->cipher_suites = __wl_cipher_suites; - wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); - wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power - * save mode - * by default - */ - brcmf_wiphy_pno_params(wdev->wiphy); - err = wiphy_register(wdev->wiphy); + } + set_wiphy_dev(wiphy, phydev); + wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; + wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; + wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_DEVICE); + wiphy->iface_combinations = brcmf_iface_combos; + wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos); + wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; + wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + wiphy->cipher_suites = __wl_cipher_suites; + wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); + wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | + WIPHY_FLAG_OFFCHAN_TX | + WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | + WIPHY_FLAG_SUPPORTS_TDLS; + if (!brcmf_roamoff) + wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; + wiphy->mgmt_stypes = brcmf_txrx_stypes; + wiphy->max_remain_on_channel_duration = 5000; + brcmf_wiphy_pno_params(wiphy); + brcmf_dbg(INFO, "Registering custom regulatory\n"); + wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; + wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); + err = wiphy_register(wiphy); if (err < 0) { - WL_ERR("Could not register wiphy device (%d)\n", err); - goto wiphy_register_out; + brcmf_err("Could not register wiphy device (%d)\n", err); + wiphy_free(wiphy); + return ERR_PTR(err); } - return wdev; + return wiphy; +} -wiphy_register_out: - wiphy_free(wdev->wiphy); +struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, + enum nl80211_iftype type, + bool pm_block) +{ + struct brcmf_cfg80211_vif *vif; + + brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n", + sizeof(*vif)); + vif = kzalloc(sizeof(*vif), GFP_KERNEL); + if (!vif) + return ERR_PTR(-ENOMEM); + + vif->wdev.wiphy = cfg->wiphy; + vif->wdev.iftype = type; + + vif->pm_block = pm_block; + vif->roam_off = -1; -wiphy_new_out: - kfree(wdev); + brcmf_init_prof(&vif->profile); - return ERR_PTR(err); + list_add_tail(&vif->list, &cfg->vif_list); + return vif; } -static void brcmf_free_wdev(struct brcmf_cfg80211_info *cfg) +void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) { - struct wireless_dev *wdev = cfg->wdev; + list_del(&vif->list); + kfree(vif); +} - if (!wdev) { - WL_ERR("wdev is invalid\n"); - return; - } - wiphy_unregister(wdev->wiphy); - wiphy_free(wdev->wiphy); - kfree(wdev); - cfg->wdev = NULL; +void brcmf_cfg80211_free_netdev(struct net_device *ndev) +{ + struct brcmf_cfg80211_vif *vif; + struct brcmf_if *ifp; + + ifp = netdev_priv(ndev); + vif = ifp->vif; + + brcmf_free_vif(vif); + free_netdev(ndev); } -static bool brcmf_is_linkup(struct brcmf_cfg80211_info *cfg, - const struct brcmf_event_msg *e) +static bool brcmf_is_linkup(const struct brcmf_event_msg *e) { - u32 event = be32_to_cpu(e->event_type); - u32 status = be32_to_cpu(e->status); + u32 event = e->event_code; + u32 status = e->status; if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { - WL_CONN("Processing set ssid\n"); - cfg->link_up = true; + brcmf_dbg(CONN, "Processing set ssid\n"); return true; } return false; } -static bool brcmf_is_linkdown(struct brcmf_cfg80211_info *cfg, - const struct brcmf_event_msg *e) +static bool brcmf_is_linkdown(const struct brcmf_event_msg *e) { - u32 event = be32_to_cpu(e->event_type); - u16 flags = be16_to_cpu(e->flags); + u32 event = e->event_code; + u16 flags = e->flags; - if (event == BRCMF_E_LINK && (!(flags & BRCMF_EVENT_MSG_LINK))) { - WL_CONN("Processing link down\n"); + if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) || + (event == BRCMF_E_DISASSOC_IND) || + ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) { + brcmf_dbg(CONN, "Processing link down\n"); return true; } return false; @@ -4509,18 +4493,17 @@ static bool brcmf_is_linkdown(struct brcmf_cfg80211_info *cfg, static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg, const struct brcmf_event_msg *e) { - u32 event = be32_to_cpu(e->event_type); - u32 status = be32_to_cpu(e->status); + u32 event = e->event_code; + u32 status = e->status; if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { - WL_CONN("Processing Link %s & no network found\n", - be16_to_cpu(e->flags) & BRCMF_EVENT_MSG_LINK ? - "up" : "down"); + brcmf_dbg(CONN, "Processing Link %s & no network found\n", + e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down"); return true; } if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { - WL_CONN("Processing connecting & no network found\n"); + brcmf_dbg(CONN, "Processing connecting & no network found\n"); return true; } @@ -4539,9 +4522,9 @@ static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg) conn_info->resp_ie_len = 0; } -static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg) +static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, + struct brcmf_if *ifp) { - struct net_device *ndev = cfg_to_ndev(cfg); struct brcmf_cfg80211_assoc_ielen_le *assoc_info; struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); u32 req_len; @@ -4550,10 +4533,10 @@ static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg) brcmf_clear_assoc_ies(cfg); - err = brcmf_dev_bufvar_get(ndev, "assoc_info", cfg->extra_buf, - WL_ASSOC_INFO_MAX); + err = brcmf_fil_iovar_data_get(ifp, "assoc_info", + cfg->extra_buf, WL_ASSOC_INFO_MAX); if (err) { - WL_ERR("could not get assoc info (%d)\n", err); + brcmf_err("could not get assoc info (%d)\n", err); return err; } assoc_info = @@ -4561,11 +4544,11 @@ static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg) req_len = le32_to_cpu(assoc_info->req_len); resp_len = le32_to_cpu(assoc_info->resp_len); if (req_len) { - err = brcmf_dev_bufvar_get(ndev, "assoc_req_ies", - cfg->extra_buf, - WL_ASSOC_INFO_MAX); + err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies", + cfg->extra_buf, + WL_ASSOC_INFO_MAX); if (err) { - WL_ERR("could not get assoc req (%d)\n", err); + brcmf_err("could not get assoc req (%d)\n", err); return err; } conn_info->req_ie_len = req_len; @@ -4577,11 +4560,11 @@ static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg) conn_info->req_ie = NULL; } if (resp_len) { - err = brcmf_dev_bufvar_get(ndev, "assoc_resp_ies", - cfg->extra_buf, - WL_ASSOC_INFO_MAX); + err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies", + cfg->extra_buf, + WL_ASSOC_INFO_MAX); if (err) { - WL_ERR("could not get assoc resp (%d)\n", err); + brcmf_err("could not get assoc resp (%d)\n", err); return err; } conn_info->resp_ie_len = resp_len; @@ -4592,8 +4575,8 @@ static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg) conn_info->resp_ie_len = 0; conn_info->resp_ie = NULL; } - WL_CONN("req len (%d) resp len (%d)\n", - conn_info->req_ie_len, conn_info->resp_ie_len); + brcmf_dbg(CONN, "req len (%d) resp len (%d)\n", + conn_info->req_ie_len, conn_info->resp_ie_len); return err; } @@ -4603,43 +4586,59 @@ brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, const struct brcmf_event_msg *e) { - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); struct wiphy *wiphy = cfg_to_wiphy(cfg); - struct brcmf_channel_info_le channel_le; - struct ieee80211_channel *notify_channel; + struct ieee80211_channel *notify_channel = NULL; struct ieee80211_supported_band *band; + struct brcmf_bss_info_le *bi; + struct brcmu_chan ch; u32 freq; s32 err = 0; - u32 target_channel; + u8 *buf; - WL_TRACE("Enter\n"); + brcmf_dbg(TRACE, "Enter\n"); - brcmf_get_assoc_ies(cfg); + brcmf_get_assoc_ies(cfg, ifp); memcpy(profile->bssid, e->addr, ETH_ALEN); - brcmf_update_bss_info(cfg); + brcmf_update_bss_info(cfg, ifp); - brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_le, - sizeof(channel_le)); + buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); + if (buf == NULL) { + err = -ENOMEM; + goto done; + } - target_channel = le32_to_cpu(channel_le.target_channel); - WL_CONN("Roamed to channel %d\n", target_channel); + /* data sent to dongle has to be little endian */ + *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); + err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, + buf, WL_BSS_INFO_MAX); - if (target_channel <= CH_MAX_2G_CHANNEL) + if (err) + goto done; + + bi = (struct brcmf_bss_info_le *)(buf + 4); + ch.chspec = le16_to_cpu(bi->chanspec); + cfg->d11inf.decchspec(&ch); + + if (ch.band == BRCMU_CHAN_BAND_2G) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; - freq = ieee80211_channel_to_frequency(target_channel, band->band); + freq = ieee80211_channel_to_frequency(ch.chnum, band->band); notify_channel = ieee80211_get_channel(wiphy, freq); +done: + kfree(buf); cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid, conn_info->req_ie, conn_info->req_ie_len, conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); - WL_CONN("Report roaming result\n"); + brcmf_dbg(CONN, "Report roaming result\n"); - set_bit(WL_STATUS_CONNECTED, &cfg->status); - WL_TRACE("Exit\n"); + set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -4648,17 +4647,21 @@ brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, const struct brcmf_event_msg *e, bool completed) { - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); s32 err = 0; - WL_TRACE("Enter\n"); + brcmf_dbg(TRACE, "Enter\n"); - if (test_and_clear_bit(WL_STATUS_CONNECTING, &cfg->status)) { + if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING, + &ifp->vif->sme_state)) { if (completed) { - brcmf_get_assoc_ies(cfg); + brcmf_get_assoc_ies(cfg, ifp); memcpy(profile->bssid, e->addr, ETH_ALEN); - brcmf_update_bss_info(cfg); + brcmf_update_bss_info(cfg, ifp); + set_bit(BRCMF_VIF_STATUS_CONNECTED, + &ifp->vif->sme_state); } cfg80211_connect_result(ndev, (u8 *)profile->bssid, @@ -4669,12 +4672,10 @@ brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, completed ? WLAN_STATUS_SUCCESS : WLAN_STATUS_AUTH_TIMEOUT, GFP_KERNEL); - if (completed) - set_bit(WL_STATUS_CONNECTED, &cfg->status); - WL_CONN("Report connect result - connection %s\n", - completed ? "succeeded" : "failed"); + brcmf_dbg(CONN, "Report connect result - connection %s\n", + completed ? "succeeded" : "failed"); } - WL_TRACE("Exit\n"); + brcmf_dbg(TRACE, "Exit\n"); return err; } @@ -4683,80 +4684,78 @@ brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, const struct brcmf_event_msg *e, void *data) { - s32 err = 0; - u32 event = be32_to_cpu(e->event_type); - u32 reason = be32_to_cpu(e->reason); - u32 len = be32_to_cpu(e->datalen); static int generation; - + u32 event = e->event_code; + u32 reason = e->reason; struct station_info sinfo; - WL_CONN("event %d, reason %d\n", event, reason); - memset(&sinfo, 0, sizeof(sinfo)); + brcmf_dbg(CONN, "event %d, reason %d\n", event, reason); + if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS && + ndev != cfg_to_ndev(cfg)) { + brcmf_dbg(CONN, "AP mode link down\n"); + complete(&cfg->vif_disabled); + return 0; + } - sinfo.filled = 0; if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) && - reason == BRCMF_E_STATUS_SUCCESS) { + (reason == BRCMF_E_STATUS_SUCCESS)) { + memset(&sinfo, 0, sizeof(sinfo)); sinfo.filled = STATION_INFO_ASSOC_REQ_IES; if (!data) { - WL_ERR("No IEs present in ASSOC/REASSOC_IND"); + brcmf_err("No IEs present in ASSOC/REASSOC_IND"); return -EINVAL; } sinfo.assoc_req_ies = data; - sinfo.assoc_req_ies_len = len; + sinfo.assoc_req_ies_len = e->datalen; generation++; sinfo.generation = generation; - cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_ATOMIC); + cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL); } else if ((event == BRCMF_E_DISASSOC_IND) || (event == BRCMF_E_DEAUTH_IND) || (event == BRCMF_E_DEAUTH)) { - generation++; - sinfo.generation = generation; - cfg80211_del_sta(ndev, e->addr, GFP_ATOMIC); + cfg80211_del_sta(ndev, e->addr, GFP_KERNEL); } - return err; + return 0; } static s32 -brcmf_notify_connect_status(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, +brcmf_notify_connect_status(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data) { - struct brcmf_cfg80211_profile *profile = cfg->profile; + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct net_device *ndev = ifp->ndev; + struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; + struct ieee80211_channel *chan; s32 err = 0; - if (cfg->conf->mode == WL_MODE_AP) { + if (brcmf_is_apmode(ifp->vif)) { err = brcmf_notify_connect_status_ap(cfg, ndev, e, data); - } else if (brcmf_is_linkup(cfg, e)) { - WL_CONN("Linkup\n"); - if (brcmf_is_ibssmode(cfg)) { + } else if (brcmf_is_linkup(e)) { + brcmf_dbg(CONN, "Linkup\n"); + if (brcmf_is_ibssmode(ifp->vif)) { + chan = ieee80211_get_channel(cfg->wiphy, cfg->channel); memcpy(profile->bssid, e->addr, ETH_ALEN); wl_inform_ibss(cfg, ndev, e->addr); - cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL); - clear_bit(WL_STATUS_CONNECTING, &cfg->status); - set_bit(WL_STATUS_CONNECTED, &cfg->status); + cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL); + clear_bit(BRCMF_VIF_STATUS_CONNECTING, + &ifp->vif->sme_state); + set_bit(BRCMF_VIF_STATUS_CONNECTED, + &ifp->vif->sme_state); } else brcmf_bss_connect_done(cfg, ndev, e, true); - } else if (brcmf_is_linkdown(cfg, e)) { - WL_CONN("Linkdown\n"); - if (brcmf_is_ibssmode(cfg)) { - clear_bit(WL_STATUS_CONNECTING, &cfg->status); - if (test_and_clear_bit(WL_STATUS_CONNECTED, - &cfg->status)) - brcmf_link_down(cfg); - } else { + } else if (brcmf_is_linkdown(e)) { + brcmf_dbg(CONN, "Linkdown\n"); + if (!brcmf_is_ibssmode(ifp->vif)) { brcmf_bss_connect_done(cfg, ndev, e, false); - if (test_and_clear_bit(WL_STATUS_CONNECTED, - &cfg->status)) { - cfg80211_disconnected(ndev, 0, NULL, 0, - GFP_KERNEL); - brcmf_link_down(cfg); - } } - brcmf_init_prof(cfg->profile); + brcmf_link_down(ifp->vif); + brcmf_init_prof(ndev_to_prof(ndev)); + if (ndev != cfg_to_ndev(cfg)) + complete(&cfg->vif_disabled); } else if (brcmf_is_nonetwork(cfg, e)) { - if (brcmf_is_ibssmode(cfg)) - clear_bit(WL_STATUS_CONNECTING, &cfg->status); + if (brcmf_is_ibssmode(ifp->vif)) + clear_bit(BRCMF_VIF_STATUS_CONNECTING, + &ifp->vif->sme_state); else brcmf_bss_connect_done(cfg, ndev, e, false); } @@ -4765,30 +4764,29 @@ brcmf_notify_connect_status(struct brcmf_cfg80211_info *cfg, } static s32 -brcmf_notify_roaming_status(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, +brcmf_notify_roaming_status(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data) { + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; s32 err = 0; - u32 event = be32_to_cpu(e->event_type); - u32 status = be32_to_cpu(e->status); + u32 event = e->event_code; + u32 status = e->status; if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { - if (test_bit(WL_STATUS_CONNECTED, &cfg->status)) - brcmf_bss_roaming_done(cfg, ndev, e); + if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state)) + brcmf_bss_roaming_done(cfg, ifp->ndev, e); else - brcmf_bss_connect_done(cfg, ndev, e, true); + brcmf_bss_connect_done(cfg, ifp->ndev, e, true); } return err; } static s32 -brcmf_notify_mic_status(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, +brcmf_notify_mic_status(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data) { - u16 flags = be16_to_cpu(e->flags); + u16 flags = e->flags; enum nl80211_key_type key_type; if (flags & BRCMF_EVENT_MSG_GROUP) @@ -4796,85 +4794,68 @@ brcmf_notify_mic_status(struct brcmf_cfg80211_info *cfg, else key_type = NL80211_KEYTYPE_PAIRWISE; - cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1, + cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1, NULL, GFP_KERNEL); return 0; } -static s32 -brcmf_notify_scan_status(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, - const struct brcmf_event_msg *e, void *data) +static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, void *data) { - struct brcmf_channel_info_le channel_inform_le; - struct brcmf_scan_results_le *bss_list_le; - u32 len = WL_SCAN_BUF_MAX; - s32 err = 0; - bool scan_abort = false; - u32 scan_channel; + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data; + struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; + struct brcmf_cfg80211_vif *vif; - WL_TRACE("Enter\n"); + brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n", + ifevent->action, ifevent->flags, ifevent->ifidx, + ifevent->bssidx); - if (cfg->iscan_on && cfg->iscan_kickstart) { - WL_TRACE("Exit\n"); - return brcmf_wakeup_iscan(cfg_to_iscan(cfg)); - } + mutex_lock(&event->vif_event_lock); + event->action = ifevent->action; + vif = event->vif; - if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) { - WL_ERR("Scan complete while device not scanning\n"); - scan_abort = true; - err = -EINVAL; - goto scan_done_out; - } - - err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_inform_le, - sizeof(channel_inform_le)); - if (err) { - WL_ERR("scan busy (%d)\n", err); - scan_abort = true; - goto scan_done_out; - } - scan_channel = le32_to_cpu(channel_inform_le.scan_channel); - if (scan_channel) - WL_CONN("channel_inform.scan_channel (%d)\n", scan_channel); - cfg->bss_list = cfg->scan_results; - bss_list_le = (struct brcmf_scan_results_le *) cfg->bss_list; - - memset(cfg->scan_results, 0, len); - bss_list_le->buflen = cpu_to_le32(len); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN_RESULTS, - cfg->scan_results, len); - if (err) { - WL_ERR("%s Scan_results error (%d)\n", ndev->name, err); - err = -EINVAL; - scan_abort = true; - goto scan_done_out; - } - cfg->scan_results->buflen = le32_to_cpu(bss_list_le->buflen); - cfg->scan_results->version = le32_to_cpu(bss_list_le->version); - cfg->scan_results->count = le32_to_cpu(bss_list_le->count); + switch (ifevent->action) { + case BRCMF_E_IF_ADD: + /* waiting process may have timed out */ + if (!cfg->vif_event.vif) { + mutex_unlock(&event->vif_event_lock); + return -EBADF; + } - err = brcmf_inform_bss(cfg); - if (err) - scan_abort = true; + ifp->vif = vif; + vif->ifp = ifp; + if (ifp->ndev) { + vif->wdev.netdev = ifp->ndev; + ifp->ndev->ieee80211_ptr = &vif->wdev; + SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy)); + } + mutex_unlock(&event->vif_event_lock); + wake_up(&event->vif_wq); + return 0; -scan_done_out: - if (cfg->scan_request) { - WL_SCAN("calling cfg80211_scan_done\n"); - cfg80211_scan_done(cfg->scan_request, scan_abort); - brcmf_set_mpc(ndev, 1); - cfg->scan_request = NULL; - } + case BRCMF_E_IF_DEL: + mutex_unlock(&event->vif_event_lock); + /* event may not be upon user request */ + if (brcmf_cfg80211_vif_event_armed(cfg)) + wake_up(&event->vif_wq); + return 0; - WL_TRACE("Exit\n"); + case BRCMF_E_IF_CHANGE: + mutex_unlock(&event->vif_event_lock); + wake_up(&event->vif_wq); + return 0; - return err; + default: + mutex_unlock(&event->vif_event_lock); + break; + } + return -EINVAL; } static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) { - conf->mode = (u32)-1; conf->frag_threshold = (u32)-1; conf->rts_threshold = (u32)-1; conf->retry_short = (u32)-1; @@ -4882,82 +4863,65 @@ static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) conf->tx_power = -1; } -static void brcmf_init_eloop_handler(struct brcmf_cfg80211_event_loop *el) -{ - memset(el, 0, sizeof(*el)); - el->handler[BRCMF_E_SCAN_COMPLETE] = brcmf_notify_scan_status; - el->handler[BRCMF_E_LINK] = brcmf_notify_connect_status; - el->handler[BRCMF_E_DEAUTH_IND] = brcmf_notify_connect_status; - el->handler[BRCMF_E_DEAUTH] = brcmf_notify_connect_status; - el->handler[BRCMF_E_DISASSOC_IND] = brcmf_notify_connect_status; - el->handler[BRCMF_E_ASSOC_IND] = brcmf_notify_connect_status; - el->handler[BRCMF_E_REASSOC_IND] = brcmf_notify_connect_status; - el->handler[BRCMF_E_ROAM] = brcmf_notify_roaming_status; - el->handler[BRCMF_E_MIC_ERROR] = brcmf_notify_mic_status; - el->handler[BRCMF_E_SET_SSID] = brcmf_notify_connect_status; - el->handler[BRCMF_E_PFN_NET_FOUND] = brcmf_notify_sched_scan_results; +static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg) +{ + brcmf_fweh_register(cfg->pub, BRCMF_E_LINK, + brcmf_notify_connect_status); + brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND, + brcmf_notify_connect_status); + brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH, + brcmf_notify_connect_status); + brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND, + brcmf_notify_connect_status); + brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND, + brcmf_notify_connect_status); + brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND, + brcmf_notify_connect_status); + brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM, + brcmf_notify_roaming_status); + brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR, + brcmf_notify_mic_status); + brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID, + brcmf_notify_connect_status); + brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, + brcmf_notify_sched_scan_results); + brcmf_fweh_register(cfg->pub, BRCMF_E_IF, + brcmf_notify_vif_event); + brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG, + brcmf_p2p_notify_rx_mgmt_p2p_probereq); + brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE, + brcmf_p2p_notify_listen_complete); + brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX, + brcmf_p2p_notify_action_frame_rx); + brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE, + brcmf_p2p_notify_action_tx_complete); + brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE, + brcmf_p2p_notify_action_tx_complete); } static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) { - kfree(cfg->scan_results); - cfg->scan_results = NULL; - kfree(cfg->bss_info); - cfg->bss_info = NULL; kfree(cfg->conf); cfg->conf = NULL; - kfree(cfg->profile); - cfg->profile = NULL; - kfree(cfg->scan_req_int); - cfg->scan_req_int = NULL; kfree(cfg->escan_ioctl_buf); cfg->escan_ioctl_buf = NULL; - kfree(cfg->dcmd_buf); - cfg->dcmd_buf = NULL; kfree(cfg->extra_buf); cfg->extra_buf = NULL; - kfree(cfg->iscan); - cfg->iscan = NULL; kfree(cfg->pmk_list); cfg->pmk_list = NULL; - if (cfg->ap_info) { - kfree(cfg->ap_info->wpa_ie); - kfree(cfg->ap_info->rsn_ie); - kfree(cfg->ap_info); - cfg->ap_info = NULL; - } } static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg) { - cfg->scan_results = kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL); - if (!cfg->scan_results) - goto init_priv_mem_out; cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL); if (!cfg->conf) goto init_priv_mem_out; - cfg->profile = kzalloc(sizeof(*cfg->profile), GFP_KERNEL); - if (!cfg->profile) - goto init_priv_mem_out; - cfg->bss_info = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); - if (!cfg->bss_info) - goto init_priv_mem_out; - cfg->scan_req_int = kzalloc(sizeof(*cfg->scan_req_int), - GFP_KERNEL); - if (!cfg->scan_req_int) - goto init_priv_mem_out; cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); if (!cfg->escan_ioctl_buf) goto init_priv_mem_out; - cfg->dcmd_buf = kzalloc(WL_DCMD_LEN_MAX, GFP_KERNEL); - if (!cfg->dcmd_buf) - goto init_priv_mem_out; cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); if (!cfg->extra_buf) goto init_priv_mem_out; - cfg->iscan = kzalloc(sizeof(*cfg->iscan), GFP_KERNEL); - if (!cfg->iscan) - goto init_priv_mem_out; cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL); if (!cfg->pmk_list) goto init_priv_mem_out; @@ -4970,333 +4934,182 @@ init_priv_mem_out: return -ENOMEM; } -/* -* retrieve first queued event from head -*/ - -static struct brcmf_cfg80211_event_q *brcmf_deq_event( - struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_event_q *e = NULL; - - spin_lock_irq(&cfg->evt_q_lock); - if (!list_empty(&cfg->evt_q_list)) { - e = list_first_entry(&cfg->evt_q_list, - struct brcmf_cfg80211_event_q, evt_q_list); - list_del(&e->evt_q_list); - } - spin_unlock_irq(&cfg->evt_q_lock); - - return e; -} - -/* -* push event to tail of the queue -* -* remark: this function may not sleep as it is called in atomic context. -*/ - -static s32 -brcmf_enq_event(struct brcmf_cfg80211_info *cfg, u32 event, - const struct brcmf_event_msg *msg, void *data) -{ - struct brcmf_cfg80211_event_q *e; - s32 err = 0; - ulong flags; - u32 data_len; - u32 total_len; - - total_len = sizeof(struct brcmf_cfg80211_event_q); - if (data) - data_len = be32_to_cpu(msg->datalen); - else - data_len = 0; - total_len += data_len; - e = kzalloc(total_len, GFP_ATOMIC); - if (!e) - return -ENOMEM; - - e->etype = event; - memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg)); - if (data) - memcpy(&e->edata, data, data_len); - - spin_lock_irqsave(&cfg->evt_q_lock, flags); - list_add_tail(&e->evt_q_list, &cfg->evt_q_list); - spin_unlock_irqrestore(&cfg->evt_q_lock, flags); - - return err; -} - -static void brcmf_put_event(struct brcmf_cfg80211_event_q *e) -{ - kfree(e); -} - -static void brcmf_cfg80211_event_handler(struct work_struct *work) -{ - struct brcmf_cfg80211_info *cfg = - container_of(work, struct brcmf_cfg80211_info, - event_work); - struct brcmf_cfg80211_event_q *e; - - e = brcmf_deq_event(cfg); - if (unlikely(!e)) { - WL_ERR("event queue empty...\n"); - return; - } - - do { - WL_INFO("event type (%d)\n", e->etype); - if (cfg->el.handler[e->etype]) - cfg->el.handler[e->etype](cfg, - cfg_to_ndev(cfg), - &e->emsg, e->edata); - else - WL_INFO("Unknown Event (%d): ignoring\n", e->etype); - brcmf_put_event(e); - } while ((e = brcmf_deq_event(cfg))); - -} - -static void brcmf_init_eq(struct brcmf_cfg80211_info *cfg) -{ - spin_lock_init(&cfg->evt_q_lock); - INIT_LIST_HEAD(&cfg->evt_q_list); -} - -static void brcmf_flush_eq(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_event_q *e; - - spin_lock_irq(&cfg->evt_q_lock); - while (!list_empty(&cfg->evt_q_list)) { - e = list_first_entry(&cfg->evt_q_list, - struct brcmf_cfg80211_event_q, evt_q_list); - list_del(&e->evt_q_list); - kfree(e); - } - spin_unlock_irq(&cfg->evt_q_lock); -} - static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg) { s32 err = 0; cfg->scan_request = NULL; cfg->pwr_save = true; -#ifdef CONFIG_BRCMISCAN - cfg->iscan_on = true; /* iscan on & off switch. - we enable iscan per default */ - cfg->escan_on = false; /* escan on & off switch. - we disable escan per default */ -#else - cfg->iscan_on = false; /* iscan on & off switch. - we disable iscan per default */ - cfg->escan_on = true; /* escan on & off switch. - we enable escan per default */ -#endif - cfg->roam_on = true; /* roam on & off switch. - we enable roam per default */ - - cfg->iscan_kickstart = false; - cfg->active_scan = true; /* we do active scan for - specific scan per default */ - cfg->dongle_up = false; /* dongle is not up yet */ - brcmf_init_eq(cfg); + cfg->active_scan = true; /* we do active scan per default */ + cfg->dongle_up = false; /* dongle is not up yet */ err = brcmf_init_priv_mem(cfg); if (err) return err; - INIT_WORK(&cfg->event_work, brcmf_cfg80211_event_handler); - brcmf_init_eloop_handler(&cfg->el); + brcmf_register_event_handlers(cfg); mutex_init(&cfg->usr_sync); - err = brcmf_init_iscan(cfg); - if (err) - return err; brcmf_init_escan(cfg); brcmf_init_conf(cfg->conf); - brcmf_init_prof(cfg->profile); - brcmf_link_down(cfg); - + init_completion(&cfg->vif_disabled); return err; } static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) { - cancel_work_sync(&cfg->event_work); cfg->dongle_up = false; /* dongle down */ - brcmf_flush_eq(cfg); - brcmf_link_down(cfg); brcmf_abort_scanning(cfg); brcmf_deinit_priv_mem(cfg); } -struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct net_device *ndev, - struct device *busdev, - struct brcmf_pub *drvr) +static void init_vif_event(struct brcmf_cfg80211_vif_event *event) { - struct wireless_dev *wdev; + init_waitqueue_head(&event->vif_wq); + mutex_init(&event->vif_event_lock); +} + +static int brcmf_enable_bw40_2g(struct brcmf_if *ifp) +{ + struct brcmf_fil_bwcap_le band_bwcap; + u32 val; + int err; + + /* verify support for bw_cap command */ + val = WLC_BAND_5G; + err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val); + + if (!err) { + /* only set 2G bandwidth using bw_cap command */ + band_bwcap.band = cpu_to_le32(WLC_BAND_2G); + band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ); + err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, + sizeof(band_bwcap)); + } else { + brcmf_dbg(INFO, "fallback to mimo_bw_cap\n"); + val = WLC_N_BW_40ALL; + err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val); + } + return err; +} + +struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, + struct device *busdev) +{ + struct net_device *ndev = drvr->iflist[0]->ndev; struct brcmf_cfg80211_info *cfg; + struct wiphy *wiphy; + struct brcmf_cfg80211_vif *vif; + struct brcmf_if *ifp; s32 err = 0; + s32 io_type; if (!ndev) { - WL_ERR("ndev is invalid\n"); + brcmf_err("ndev is invalid\n"); return NULL; } - wdev = brcmf_alloc_wdev(busdev); - if (IS_ERR(wdev)) { + ifp = netdev_priv(ndev); + wiphy = brcmf_setup_wiphy(busdev); + if (IS_ERR(wiphy)) return NULL; - } - wdev->iftype = brcmf_mode_to_nl80211_iftype(WL_MODE_BSS); - cfg = wdev_to_cfg(wdev); - cfg->wdev = wdev; + cfg = wiphy_priv(wiphy); + cfg->wiphy = wiphy; cfg->pub = drvr; - ndev->ieee80211_ptr = wdev; - SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); - wdev->netdev = ndev; + init_vif_event(&cfg->vif_event); + INIT_LIST_HEAD(&cfg->vif_list); + + vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false); + if (IS_ERR(vif)) { + wiphy_free(wiphy); + return NULL; + } + + vif->ifp = ifp; + vif->wdev.netdev = ndev; + ndev->ieee80211_ptr = &vif->wdev; + SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); + err = wl_init_priv(cfg); if (err) { - WL_ERR("Failed to init iwm_priv (%d)\n", err); + brcmf_err("Failed to init iwm_priv (%d)\n", err); goto cfg80211_attach_out; } + ifp->vif = vif; - return cfg; - -cfg80211_attach_out: - brcmf_free_wdev(cfg); - return NULL; -} - -void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) -{ - wl_deinit_priv(cfg); - brcmf_free_wdev(cfg); -} - -void -brcmf_cfg80211_event(struct net_device *ndev, - const struct brcmf_event_msg *e, void *data) -{ - u32 event_type = be32_to_cpu(e->event_type); - struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); - - if (!brcmf_enq_event(cfg, event_type, e, data)) - schedule_work(&cfg->event_work); -} + err = brcmf_p2p_attach(cfg); + if (err) { + brcmf_err("P2P initilisation failed (%d)\n", err); + goto cfg80211_p2p_attach_out; + } + err = brcmf_btcoex_attach(cfg); + if (err) { + brcmf_err("BT-coex initialisation failed (%d)\n", err); + brcmf_p2p_detach(&cfg->p2p); + goto cfg80211_p2p_attach_out; + } -static s32 brcmf_dongle_mode(struct net_device *ndev, s32 iftype) -{ - s32 infra = 0; - s32 err = 0; + /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(), + * setup 40MHz in 2GHz band and enable OBSS scanning. + */ + if (wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap & + IEEE80211_HT_CAP_SUP_WIDTH_20_40) { + err = brcmf_enable_bw40_2g(ifp); + if (!err) + err = brcmf_fil_iovar_int_set(ifp, "obss_coex", + BRCMF_OBSS_COEX_AUTO); + } - switch (iftype) { - case NL80211_IFTYPE_MONITOR: - case NL80211_IFTYPE_WDS: - WL_ERR("type (%d) : currently we do not support this mode\n", - iftype); - err = -EINVAL; - return err; - case NL80211_IFTYPE_ADHOC: - infra = 0; - break; - case NL80211_IFTYPE_STATION: - infra = 1; - break; - case NL80211_IFTYPE_AP: - infra = 1; - break; - default: - err = -EINVAL; - WL_ERR("invalid type (%d)\n", iftype); - return err; + err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1); + if (err) { + brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err); + wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS; } - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra); + + err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, + &io_type); if (err) { - WL_ERR("WLC_SET_INFRA error (%d)\n", err); - return err; + brcmf_err("Failed to get D11 version (%d)\n", err); + goto cfg80211_p2p_attach_out; } + cfg->d11inf.io_type = (u8)io_type; + brcmu_d11_attach(&cfg->d11inf); - return 0; -} + return cfg; -static s32 brcmf_dongle_eventmsg(struct net_device *ndev) -{ - /* Room for "event_msgs" + '\0' + bitvec */ - s8 iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; - s8 eventmask[BRCMF_EVENTING_MASK_LEN]; - s32 err = 0; +cfg80211_p2p_attach_out: + wl_deinit_priv(cfg); - WL_TRACE("Enter\n"); +cfg80211_attach_out: + brcmf_free_vif(vif); + return NULL; +} - /* Setup event_msgs */ - brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, - iovbuf, sizeof(iovbuf)); - err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, iovbuf, sizeof(iovbuf)); - if (err) { - WL_ERR("Get event_msgs error (%d)\n", err); - goto dongle_eventmsg_out; - } - memcpy(eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN); - - setbit(eventmask, BRCMF_E_SET_SSID); - setbit(eventmask, BRCMF_E_ROAM); - setbit(eventmask, BRCMF_E_PRUNE); - setbit(eventmask, BRCMF_E_AUTH); - setbit(eventmask, BRCMF_E_REASSOC); - setbit(eventmask, BRCMF_E_REASSOC_IND); - setbit(eventmask, BRCMF_E_DEAUTH_IND); - setbit(eventmask, BRCMF_E_DISASSOC_IND); - setbit(eventmask, BRCMF_E_DISASSOC); - setbit(eventmask, BRCMF_E_JOIN); - setbit(eventmask, BRCMF_E_ASSOC_IND); - setbit(eventmask, BRCMF_E_PSK_SUP); - setbit(eventmask, BRCMF_E_LINK); - setbit(eventmask, BRCMF_E_NDIS_LINK); - setbit(eventmask, BRCMF_E_MIC_ERROR); - setbit(eventmask, BRCMF_E_PMKID_CACHE); - setbit(eventmask, BRCMF_E_TXFAIL); - setbit(eventmask, BRCMF_E_JOIN_START); - setbit(eventmask, BRCMF_E_SCAN_COMPLETE); - setbit(eventmask, BRCMF_E_ESCAN_RESULT); - setbit(eventmask, BRCMF_E_PFN_NET_FOUND); - - brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, - iovbuf, sizeof(iovbuf)); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); - if (err) { - WL_ERR("Set event_msgs error (%d)\n", err); - goto dongle_eventmsg_out; - } +void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) +{ + if (!cfg) + return; -dongle_eventmsg_out: - WL_TRACE("Exit\n"); - return err; + WARN_ON(!list_empty(&cfg->vif_list)); + wiphy_unregister(cfg->wiphy); + brcmf_btcoex_detach(cfg); + wl_deinit_priv(cfg); + wiphy_free(cfg->wiphy); } static s32 -brcmf_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout) +brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout) { - s8 iovbuf[32]; s32 err = 0; __le32 roamtrigger[2]; __le32 roam_delta[2]; - __le32 bcn_to_le; - __le32 roamvar_le; /* * Setup timeout if Beacons are lost and roam is * off to report link down */ - if (roamvar) { - bcn_to_le = cpu_to_le32(bcn_timeout); - brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_to_le, - sizeof(bcn_to_le), iovbuf, sizeof(iovbuf)); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, - iovbuf, sizeof(iovbuf)); + if (brcmf_roamoff) { + err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout); if (err) { - WL_ERR("bcn_timeout error (%d)\n", err); + brcmf_err("bcn_timeout error (%d)\n", err); goto dongle_rom_out; } } @@ -5305,31 +5118,29 @@ brcmf_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout) * Enable/Disable built-in roaming to allow supplicant * to take care of roaming */ - WL_INFO("Internal Roaming = %s\n", roamvar ? "Off" : "On"); - roamvar_le = cpu_to_le32(roamvar); - brcmf_c_mkiovar("roam_off", (char *)&roamvar_le, - sizeof(roamvar_le), iovbuf, sizeof(iovbuf)); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); + brcmf_dbg(INFO, "Internal Roaming = %s\n", + brcmf_roamoff ? "Off" : "On"); + err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff)); if (err) { - WL_ERR("roam_off error (%d)\n", err); + brcmf_err("roam_off error (%d)\n", err); goto dongle_rom_out; } roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_TRIGGER, - (void *)roamtrigger, sizeof(roamtrigger)); + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER, + (void *)roamtrigger, sizeof(roamtrigger)); if (err) { - WL_ERR("WLC_SET_ROAM_TRIGGER error (%d)\n", err); + brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err); goto dongle_rom_out; } roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_DELTA, - (void *)roam_delta, sizeof(roam_delta)); + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA, + (void *)roam_delta, sizeof(roam_delta)); if (err) { - WL_ERR("WLC_SET_ROAM_DELTA error (%d)\n", err); + brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err); goto dongle_rom_out; } @@ -5338,40 +5149,37 @@ dongle_rom_out: } static s32 -brcmf_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time, +brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time, s32 scan_unassoc_time, s32 scan_passive_time) { s32 err = 0; - __le32 scan_assoc_tm_le = cpu_to_le32(scan_assoc_time); - __le32 scan_unassoc_tm_le = cpu_to_le32(scan_unassoc_time); - __le32 scan_passive_tm_le = cpu_to_le32(scan_passive_time); - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_CHANNEL_TIME, - &scan_assoc_tm_le, sizeof(scan_assoc_tm_le)); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME, + scan_assoc_time); if (err) { if (err == -EOPNOTSUPP) - WL_INFO("Scan assoc time is not supported\n"); + brcmf_dbg(INFO, "Scan assoc time is not supported\n"); else - WL_ERR("Scan assoc time error (%d)\n", err); + brcmf_err("Scan assoc time error (%d)\n", err); goto dongle_scantime_out; } - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_UNASSOC_TIME, - &scan_unassoc_tm_le, sizeof(scan_unassoc_tm_le)); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME, + scan_unassoc_time); if (err) { if (err == -EOPNOTSUPP) - WL_INFO("Scan unassoc time is not supported\n"); + brcmf_dbg(INFO, "Scan unassoc time is not supported\n"); else - WL_ERR("Scan unassoc time error (%d)\n", err); + brcmf_err("Scan unassoc time error (%d)\n", err); goto dongle_scantime_out; } - err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_PASSIVE_TIME, - &scan_passive_tm_le, sizeof(scan_passive_tm_le)); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME, + scan_passive_time); if (err) { if (err == -EOPNOTSUPP) - WL_INFO("Scan passive time is not supported\n"); + brcmf_dbg(INFO, "Scan passive time is not supported\n"); else - WL_ERR("Scan passive time error (%d)\n", err); + brcmf_err("Scan passive time error (%d)\n", err); goto dongle_scantime_out; } @@ -5379,39 +5187,337 @@ dongle_scantime_out: return err; } -static s32 wl_update_wiphybands(struct brcmf_cfg80211_info *cfg) + +static s32 brcmf_construct_reginfo(struct brcmf_cfg80211_info *cfg, + u32 bw_cap[]) +{ + struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); + struct ieee80211_channel *band_chan_arr; + struct brcmf_chanspec_list *list; + struct brcmu_chan ch; + s32 err; + u8 *pbuf; + u32 i, j; + u32 total; + enum ieee80211_band band; + u32 channel; + u32 *n_cnt; + u32 index; + u32 ht40_flag; + bool update; + u32 array_size; + + pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); + + if (pbuf == NULL) + return -ENOMEM; + + list = (struct brcmf_chanspec_list *)pbuf; + + err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, + BRCMF_DCMD_MEDLEN); + if (err) { + brcmf_err("get chanspecs error (%d)\n", err); + goto exit; + } + + __wl_band_2ghz.n_channels = 0; + __wl_band_5ghz_a.n_channels = 0; + + total = le32_to_cpu(list->count); + for (i = 0; i < total; i++) { + ch.chspec = (u16)le32_to_cpu(list->element[i]); + cfg->d11inf.decchspec(&ch); + + if (ch.band == BRCMU_CHAN_BAND_2G) { + band_chan_arr = __wl_2ghz_channels; + array_size = ARRAY_SIZE(__wl_2ghz_channels); + n_cnt = &__wl_band_2ghz.n_channels; + band = IEEE80211_BAND_2GHZ; + } else if (ch.band == BRCMU_CHAN_BAND_5G) { + band_chan_arr = __wl_5ghz_a_channels; + array_size = ARRAY_SIZE(__wl_5ghz_a_channels); + n_cnt = &__wl_band_5ghz_a.n_channels; + band = IEEE80211_BAND_5GHZ; + } else { + brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec); + continue; + } + if (!(bw_cap[band] & WLC_BW_40MHZ_BIT) && + ch.bw == BRCMU_CHAN_BW_40) + continue; + if (!(bw_cap[band] & WLC_BW_80MHZ_BIT) && + ch.bw == BRCMU_CHAN_BW_80) + continue; + update = false; + for (j = 0; (j < *n_cnt && (*n_cnt < array_size)); j++) { + if (band_chan_arr[j].hw_value == ch.chnum) { + update = true; + break; + } + } + if (update) + index = j; + else + index = *n_cnt; + if (index < array_size) { + band_chan_arr[index].center_freq = + ieee80211_channel_to_frequency(ch.chnum, band); + band_chan_arr[index].hw_value = ch.chnum; + + /* assuming the chanspecs order is HT20, + * HT40 upper, HT40 lower, and VHT80. + */ + if (ch.bw == BRCMU_CHAN_BW_80) { + band_chan_arr[index].flags &= + ~IEEE80211_CHAN_NO_80MHZ; + } else if (ch.bw == BRCMU_CHAN_BW_40) { + ht40_flag = band_chan_arr[index].flags & + IEEE80211_CHAN_NO_HT40; + if (ch.sb == BRCMU_CHAN_SB_U) { + if (ht40_flag == IEEE80211_CHAN_NO_HT40) + band_chan_arr[index].flags &= + ~IEEE80211_CHAN_NO_HT40; + band_chan_arr[index].flags |= + IEEE80211_CHAN_NO_HT40PLUS; + } else { + /* It should be one of + * IEEE80211_CHAN_NO_HT40 or + * IEEE80211_CHAN_NO_HT40PLUS + */ + band_chan_arr[index].flags &= + ~IEEE80211_CHAN_NO_HT40; + if (ht40_flag == IEEE80211_CHAN_NO_HT40) + band_chan_arr[index].flags |= + IEEE80211_CHAN_NO_HT40MINUS; + } + } else { + /* disable other bandwidths for now as mentioned + * order assure they are enabled for subsequent + * chanspecs. + */ + band_chan_arr[index].flags = + IEEE80211_CHAN_NO_HT40 | + IEEE80211_CHAN_NO_80MHZ; + ch.bw = BRCMU_CHAN_BW_20; + cfg->d11inf.encchspec(&ch); + channel = ch.chspec; + err = brcmf_fil_bsscfg_int_get(ifp, + "per_chan_info", + &channel); + if (!err) { + if (channel & WL_CHAN_RADAR) + band_chan_arr[index].flags |= + (IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR); + if (channel & WL_CHAN_PASSIVE) + band_chan_arr[index].flags |= + IEEE80211_CHAN_NO_IR; + } + } + if (!update) + (*n_cnt)++; + } + } +exit: + kfree(pbuf); + return err; +} + +static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[]) { + u32 band, mimo_bwcap; + int err; + + band = WLC_BAND_2G; + err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); + if (!err) { + bw_cap[IEEE80211_BAND_2GHZ] = band; + band = WLC_BAND_5G; + err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); + if (!err) { + bw_cap[IEEE80211_BAND_5GHZ] = band; + return; + } + WARN_ON(1); + return; + } + brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n"); + mimo_bwcap = 0; + err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap); + if (err) + /* assume 20MHz if firmware does not give a clue */ + mimo_bwcap = WLC_N_BW_20ALL; + + switch (mimo_bwcap) { + case WLC_N_BW_40ALL: + bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT; + /* fall-thru */ + case WLC_N_BW_20IN2G_40IN5G: + bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT; + /* fall-thru */ + case WLC_N_BW_20ALL: + bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT; + bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT; + break; + default: + brcmf_err("invalid mimo_bw_cap value\n"); + } +} + +static void brcmf_update_ht_cap(struct ieee80211_supported_band *band, + u32 bw_cap[2], u32 nchain) +{ + band->ht_cap.ht_supported = true; + if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) { + band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; + band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; + } + band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; + band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; + band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; + band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; + memset(band->ht_cap.mcs.rx_mask, 0xff, nchain); + band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; +} + +static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp) +{ + u16 mcs_map; + int i; + + for (i = 0, mcs_map = 0xFFFF; i < nchain; i++) + mcs_map = (mcs_map << 2) | supp; + + return cpu_to_le16(mcs_map); +} + +static void brcmf_update_vht_cap(struct ieee80211_supported_band *band, + u32 bw_cap[2], u32 nchain) +{ + __le16 mcs_map; + + /* not allowed in 2.4G band */ + if (band->band == IEEE80211_BAND_2GHZ) + return; + + band->vht_cap.vht_supported = true; + /* 80MHz is mandatory */ + band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80; + if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) { + band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; + band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160; + } + /* all support 256-QAM */ + mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9); + band->vht_cap.vht_mcs.rx_mcs_map = mcs_map; + band->vht_cap.vht_mcs.tx_mcs_map = mcs_map; +} + +static s32 brcmf_update_wiphybands(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); struct wiphy *wiphy; s32 phy_list; + u32 band_list[3]; + u32 nmode = 0; + u32 vhtmode = 0; + u32 bw_cap[2] = { 0, 0 }; + u32 rxchain; + u32 nchain; s8 phy; - s32 err = 0; + s32 err; + u32 nband; + s32 i; + struct ieee80211_supported_band *bands[2] = { NULL, NULL }; + struct ieee80211_supported_band *band; - err = brcmf_exec_dcmd(cfg_to_ndev(cfg), BRCM_GET_PHYLIST, - &phy_list, sizeof(phy_list)); + err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_PHYLIST, + &phy_list, sizeof(phy_list)); if (err) { - WL_ERR("error (%d)\n", err); + brcmf_err("BRCMF_C_GET_PHYLIST error (%d)\n", err); return err; } phy = ((char *)&phy_list)[0]; - WL_INFO("%c phy\n", phy); - if (phy == 'n' || phy == 'a') { - wiphy = cfg_to_wiphy(cfg); - wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n; + brcmf_dbg(INFO, "BRCMF_C_GET_PHYLIST reported: %c phy\n", phy); + + + err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, + &band_list, sizeof(band_list)); + if (err) { + brcmf_err("BRCMF_C_GET_BANDLIST error (%d)\n", err); + return err; + } + brcmf_dbg(INFO, "BRCMF_C_GET_BANDLIST reported: 0x%08x 0x%08x 0x%08x phy\n", + band_list[0], band_list[1], band_list[2]); + + (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode); + err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode); + if (err) { + brcmf_err("nmode error (%d)\n", err); + } else { + brcmf_get_bwcap(ifp, bw_cap); } + brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n", + nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ], + bw_cap[IEEE80211_BAND_5GHZ]); + + err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain); + if (err) { + brcmf_err("rxchain error (%d)\n", err); + nchain = 1; + } else { + for (nchain = 0; rxchain; nchain++) + rxchain = rxchain & (rxchain - 1); + } + brcmf_dbg(INFO, "nchain=%d\n", nchain); + + err = brcmf_construct_reginfo(cfg, bw_cap); + if (err) { + brcmf_err("brcmf_construct_reginfo failed (%d)\n", err); + return err; + } + + nband = band_list[0]; + + for (i = 1; i <= nband && i < ARRAY_SIZE(band_list); i++) { + band = NULL; + if ((band_list[i] == WLC_BAND_5G) && + (__wl_band_5ghz_a.n_channels > 0)) + band = &__wl_band_5ghz_a; + else if ((band_list[i] == WLC_BAND_2G) && + (__wl_band_2ghz.n_channels > 0)) + band = &__wl_band_2ghz; + else + continue; + + if (nmode) + brcmf_update_ht_cap(band, bw_cap, nchain); + if (vhtmode) + brcmf_update_vht_cap(band, bw_cap, nchain); + bands[band->band] = band; + } + + wiphy = cfg_to_wiphy(cfg); + wiphy->bands[IEEE80211_BAND_2GHZ] = bands[IEEE80211_BAND_2GHZ]; + wiphy->bands[IEEE80211_BAND_5GHZ] = bands[IEEE80211_BAND_5GHZ]; + wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); return err; } + static s32 brcmf_dongle_probecap(struct brcmf_cfg80211_info *cfg) { - return wl_update_wiphybands(cfg); + return brcmf_update_wiphybands(cfg); } static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) { struct net_device *ndev; struct wireless_dev *wdev; + struct brcmf_if *ifp; s32 power_mode; s32 err = 0; @@ -5420,104 +5526,58 @@ static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) ndev = cfg_to_ndev(cfg); wdev = ndev->ieee80211_ptr; + ifp = netdev_priv(ndev); - brcmf_dongle_scantime(ndev, WL_SCAN_CHANNEL_TIME, - WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME); + /* make sure RF is ready for work */ + brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0); - err = brcmf_dongle_eventmsg(ndev); - if (err) - goto default_conf_out; + brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME, + WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME); power_mode = cfg->pwr_save ? PM_FAST : PM_OFF; - err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &power_mode); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode); if (err) goto default_conf_out; - WL_INFO("power save set to %s\n", - (power_mode ? "enabled" : "disabled")); + brcmf_dbg(INFO, "power save set to %s\n", + (power_mode ? "enabled" : "disabled")); - err = brcmf_dongle_roam(ndev, (cfg->roam_on ? 0 : 1), - WL_BEACON_TIMEOUT); + err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT); if (err) goto default_conf_out; - err = brcmf_dongle_mode(ndev, wdev->iftype); - if (err && err != -EINPROGRESS) + err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype, + NULL, NULL); + if (err) goto default_conf_out; err = brcmf_dongle_probecap(cfg); if (err) goto default_conf_out; - /* -EINPROGRESS: Call commit handler */ - -default_conf_out: + brcmf_configure_arp_offload(ifp, true); cfg->dongle_up = true; +default_conf_out: return err; } -static int brcmf_debugfs_add_netdev_params(struct brcmf_cfg80211_info *cfg) +static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp) { - char buf[10+IFNAMSIZ]; - struct dentry *fd; - s32 err = 0; - - sprintf(buf, "netdev:%s", cfg_to_ndev(cfg)->name); - cfg->debugfsdir = debugfs_create_dir(buf, - cfg_to_wiphy(cfg)->debugfsdir); - - fd = debugfs_create_u16("beacon_int", S_IRUGO, cfg->debugfsdir, - (u16 *)&cfg->profile->beacon_interval); - if (!fd) { - err = -ENOMEM; - goto err_out; - } + set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); - fd = debugfs_create_u8("dtim_period", S_IRUGO, cfg->debugfsdir, - (u8 *)&cfg->profile->dtim_period); - if (!fd) { - err = -ENOMEM; - goto err_out; - } - -err_out: - return err; + return brcmf_config_dongle(ifp->drvr->config); } -static void brcmf_debugfs_remove_netdev(struct brcmf_cfg80211_info *cfg) +static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp) { - debugfs_remove_recursive(cfg->debugfsdir); - cfg->debugfsdir = NULL; -} - -static s32 __brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg) -{ - s32 err = 0; - - set_bit(WL_STATUS_READY, &cfg->status); - - brcmf_debugfs_add_netdev_params(cfg); - - err = brcmf_config_dongle(cfg); - if (err) - return err; - - brcmf_invoke_iscan(cfg); + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - return err; -} - -static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg) -{ /* * While going down, if associated with AP disassociate * from AP to save power */ - if ((test_bit(WL_STATUS_CONNECTED, &cfg->status) || - test_bit(WL_STATUS_CONNECTING, &cfg->status)) && - test_bit(WL_STATUS_READY, &cfg->status)) { - WL_INFO("Disassociating from AP"); - brcmf_link_down(cfg); + if (check_vif_up(ifp->vif)) { + brcmf_link_down(ifp->vif); /* Make sure WPA_Supplicant receives all the event generated due to DISASSOC call to the fw to keep @@ -5527,32 +5587,95 @@ static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg) } brcmf_abort_scanning(cfg); - clear_bit(WL_STATUS_READY, &cfg->status); - - brcmf_debugfs_remove_netdev(cfg); + clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); return 0; } -s32 brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg) +s32 brcmf_cfg80211_up(struct net_device *ndev) { + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; s32 err = 0; mutex_lock(&cfg->usr_sync); - err = __brcmf_cfg80211_up(cfg); + err = __brcmf_cfg80211_up(ifp); mutex_unlock(&cfg->usr_sync); return err; } -s32 brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg) +s32 brcmf_cfg80211_down(struct net_device *ndev) { + struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; s32 err = 0; mutex_lock(&cfg->usr_sync); - err = __brcmf_cfg80211_down(cfg); + err = __brcmf_cfg80211_down(ifp); mutex_unlock(&cfg->usr_sync); return err; } +enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp) +{ + struct wireless_dev *wdev = &ifp->vif->wdev; + + return wdev->iftype; +} + +u32 wl_get_vif_state_all(struct brcmf_cfg80211_info *cfg, unsigned long state) +{ + struct brcmf_cfg80211_vif *vif; + bool result = 0; + + list_for_each_entry(vif, &cfg->vif_list, list) { + if (test_bit(state, &vif->sme_state)) + result++; + } + return result; +} + +static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, + u8 action) +{ + u8 evt_action; + + mutex_lock(&event->vif_event_lock); + evt_action = event->action; + mutex_unlock(&event->vif_event_lock); + return evt_action == action; +} + +void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, + struct brcmf_cfg80211_vif *vif) +{ + struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; + + mutex_lock(&event->vif_event_lock); + event->vif = vif; + event->action = 0; + mutex_unlock(&event->vif_event_lock); +} + +bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; + bool armed; + + mutex_lock(&event->vif_event_lock); + armed = event->vif != NULL; + mutex_unlock(&event->vif_event_lock); + + return armed; +} +int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg, + u8 action, ulong timeout) +{ + struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; + + return wait_event_timeout(event->vif_wq, + vif_event_equals(event, action), timeout); +} + diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h index 71ced174748..283c525a44f 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h @@ -17,98 +17,15 @@ #ifndef _wl_cfg80211_h_ #define _wl_cfg80211_h_ -#define WL_DBG_NONE 0 -#define WL_DBG_CONN (1 << 5) -#define WL_DBG_SCAN (1 << 4) -#define WL_DBG_TRACE (1 << 3) -#define WL_DBG_INFO (1 << 1) -#define WL_DBG_ERR (1 << 0) -#define WL_DBG_MASK ((WL_DBG_INFO | WL_DBG_ERR | WL_DBG_TRACE) | \ - (WL_DBG_SCAN) | (WL_DBG_CONN)) - -#define WL_ERR(fmt, ...) \ -do { \ - if (brcmf_dbg_level & WL_DBG_ERR) { \ - if (net_ratelimit()) { \ - pr_err("ERROR @%s : " fmt, \ - __func__, ##__VA_ARGS__); \ - } \ - } \ -} while (0) - -#if (defined DEBUG) -#define WL_INFO(fmt, ...) \ -do { \ - if (brcmf_dbg_level & WL_DBG_INFO) { \ - if (net_ratelimit()) { \ - pr_err("INFO @%s : " fmt, \ - __func__, ##__VA_ARGS__); \ - } \ - } \ -} while (0) - -#define WL_TRACE(fmt, ...) \ -do { \ - if (brcmf_dbg_level & WL_DBG_TRACE) { \ - if (net_ratelimit()) { \ - pr_err("TRACE @%s : " fmt, \ - __func__, ##__VA_ARGS__); \ - } \ - } \ -} while (0) - -#define WL_SCAN(fmt, ...) \ -do { \ - if (brcmf_dbg_level & WL_DBG_SCAN) { \ - if (net_ratelimit()) { \ - pr_err("SCAN @%s : " fmt, \ - __func__, ##__VA_ARGS__); \ - } \ - } \ -} while (0) - -#define WL_CONN(fmt, ...) \ -do { \ - if (brcmf_dbg_level & WL_DBG_CONN) { \ - if (net_ratelimit()) { \ - pr_err("CONN @%s : " fmt, \ - __func__, ##__VA_ARGS__); \ - } \ - } \ -} while (0) - -#else /* (defined DEBUG) */ -#define WL_INFO(fmt, args...) -#define WL_TRACE(fmt, args...) -#define WL_SCAN(fmt, args...) -#define WL_CONN(fmt, args...) -#endif /* (defined DEBUG) */ - -#define WL_NUM_SCAN_MAX 1 -#define WL_NUM_PMKIDS_MAX MAXPMKID /* will be used - * for 2.6.33 kernel - * or later - */ -#define WL_SCAN_BUF_MAX (1024 * 8) +/* for brcmu_d11inf */ +#include <brcmu_d11.h> + +#define WL_NUM_SCAN_MAX 10 +#define WL_NUM_PMKIDS_MAX MAXPMKID #define WL_TLV_INFO_MAX 1024 #define WL_BSS_INFO_MAX 2048 -#define WL_ASSOC_INFO_MAX 512 /* - * needs to grab assoc info from dongle to - * report it to cfg80211 through "connect" - * event - */ -#define WL_DCMD_LEN_MAX 1024 -#define WL_EXTRA_BUF_MAX 2048 -#define WL_ISCAN_BUF_MAX 2048 /* - * the buf length can be BRCMF_DCMD_MAXLEN - * to reduce iteration - */ -#define WL_ISCAN_TIMER_INTERVAL_MS 3000 -#define WL_SCAN_ERSULTS_LAST (BRCMF_SCAN_RESULTS_NO_MEM+1) -#define WL_AP_MAX 256 /* virtually unlimitted as long - * as kernel memory allows - */ - +#define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */ +#define WL_EXTRA_BUF_MAX 2048 #define WL_ROAM_TRIGGER_LEVEL -75 #define WL_ROAM_DELTA 20 #define WL_BEACON_TIMEOUT 3 @@ -127,46 +44,53 @@ do { \ #define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */ #define IE_MAX_LEN 512 -/* dongle status */ -enum wl_status { - WL_STATUS_READY, - WL_STATUS_SCANNING, - WL_STATUS_SCAN_ABORTING, - WL_STATUS_CONNECTING, - WL_STATUS_CONNECTED, - WL_STATUS_AP_CREATING, - WL_STATUS_AP_CREATED -}; +/* IE TLV processing */ +#define TLV_LEN_OFF 1 /* length offset */ +#define TLV_HDR_LEN 2 /* header length */ +#define TLV_BODY_OFF 2 /* body offset */ +#define TLV_OUI_LEN 3 /* oui id length */ + +/* 802.11 Mgmt Packet flags */ +#define BRCMF_VNDR_IE_BEACON_FLAG 0x1 +#define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2 +#define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4 +#define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8 +#define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10 +#define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20 +/* vendor IE in IW advertisement protocol ID field */ +#define BRCMF_VNDR_IE_IWAPID_FLAG 0x40 +/* allow custom IE id */ +#define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100 + +/* P2P Action Frames flags (spec ordered) */ +#define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000 +#define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000 +#define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000 +#define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000 +#define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000 +#define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000 +#define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000 +#define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000 +#define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000 + +#define BRCMF_VNDR_IE_P2PAF_SHIFT 12 -/* wi-fi mode */ -enum wl_mode { - WL_MODE_BSS, - WL_MODE_IBSS, - WL_MODE_AP -}; -/* dongle profile list */ -enum wl_prof_list { - WL_PROF_MODE, - WL_PROF_SSID, - WL_PROF_SEC, - WL_PROF_IBSS, - WL_PROF_BAND, - WL_PROF_BSSID, - WL_PROF_ACT, - WL_PROF_BEACONINT, - WL_PROF_DTIMPERIOD -}; - -/* dongle iscan state */ -enum wl_iscan_state { - WL_ISCAN_STATE_IDLE, - WL_ISCAN_STATE_SCANING +/** + * enum brcmf_scan_status - scan engine status + * + * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle. + * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle. + * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver. + */ +enum brcmf_scan_status { + BRCMF_SCAN_STATUS_BUSY, + BRCMF_SCAN_STATUS_ABORT, + BRCMF_SCAN_STATUS_SUPPRESS, }; /* dongle configuration */ struct brcmf_cfg80211_conf { - u32 mode; /* adhoc , infrastructure or ap */ u32 frag_threshold; u32 rts_threshold; u32 retry_short; @@ -175,17 +99,6 @@ struct brcmf_cfg80211_conf { struct ieee80211_channel channel; }; -/* forward declaration */ -struct brcmf_cfg80211_info; - -/* cfg80211 main event loop */ -struct brcmf_cfg80211_event_loop { - s32(*handler[BRCMF_E_LAST]) (struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, - const struct brcmf_event_msg *e, - void *data); -}; - /* basic structure of scan request */ struct brcmf_cfg80211_scan_req { struct brcmf_ssid_le ssid_le; @@ -197,14 +110,6 @@ struct brcmf_cfg80211_ie { u8 buf[WL_TLV_INFO_MAX]; }; -/* event queue for cfg80211 main event */ -struct brcmf_cfg80211_event_q { - struct list_head evt_q_list; - u32 etype; - struct brcmf_event_msg emsg; - s8 edata[1]; -}; - /* security information with currently associated ap */ struct brcmf_cfg80211_security { u32 wpa_versions; @@ -214,45 +119,81 @@ struct brcmf_cfg80211_security { u32 wpa_auth; }; -/* ibss information for currently joined ibss network */ -struct brcmf_cfg80211_ibss { - u8 beacon_interval; /* in millisecond */ - u8 atim; /* in millisecond */ - s8 join_only; - u8 band; - u8 channel; -}; - -/* dongle profile */ +/** + * struct brcmf_cfg80211_profile - profile information. + * + * @ssid: ssid of associated/associating ap. + * @bssid: bssid of joined/joining ibss. + * @sec: security information. + */ struct brcmf_cfg80211_profile { - u32 mode; struct brcmf_ssid ssid; u8 bssid[ETH_ALEN]; - u16 beacon_interval; - u8 dtim_period; struct brcmf_cfg80211_security sec; - struct brcmf_cfg80211_ibss ibss; - s32 band; }; -/* dongle iscan event loop */ -struct brcmf_cfg80211_iscan_eloop { - s32 (*handler[WL_SCAN_ERSULTS_LAST]) - (struct brcmf_cfg80211_info *cfg); +/** + * enum brcmf_vif_status - bit indices for vif status. + * + * @BRCMF_VIF_STATUS_READY: ready for operation. + * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress. + * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully. + * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress. + * @BRCMF_VIF_STATUS_AP_CREATING: interface configured for AP operation. + * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started. + */ +enum brcmf_vif_status { + BRCMF_VIF_STATUS_READY, + BRCMF_VIF_STATUS_CONNECTING, + BRCMF_VIF_STATUS_CONNECTED, + BRCMF_VIF_STATUS_DISCONNECTING, + BRCMF_VIF_STATUS_AP_CREATING, + BRCMF_VIF_STATUS_AP_CREATED +}; + +/** + * struct vif_saved_ie - holds saved IEs for a virtual interface. + * + * @probe_req_ie: IE info for probe request. + * @probe_res_ie: IE info for probe response. + * @beacon_ie: IE info for beacon frame. + * @probe_req_ie_len: IE info length for probe request. + * @probe_res_ie_len: IE info length for probe response. + * @beacon_ie_len: IE info length for beacon frame. + */ +struct vif_saved_ie { + u8 probe_req_ie[IE_MAX_LEN]; + u8 probe_res_ie[IE_MAX_LEN]; + u8 beacon_ie[IE_MAX_LEN]; + u8 assoc_req_ie[IE_MAX_LEN]; + u32 probe_req_ie_len; + u32 probe_res_ie_len; + u32 beacon_ie_len; + u32 assoc_req_ie_len; }; -/* dongle iscan controller */ -struct brcmf_cfg80211_iscan_ctrl { - struct net_device *ndev; - struct timer_list timer; - u32 timer_ms; - u32 timer_on; - s32 state; - struct work_struct work; - struct brcmf_cfg80211_iscan_eloop el; - void *data; - s8 dcmd_buf[BRCMF_DCMD_SMLEN]; - s8 scan_buf[WL_ISCAN_BUF_MAX]; +/** + * struct brcmf_cfg80211_vif - virtual interface specific information. + * + * @ifp: lower layer interface pointer + * @wdev: wireless device. + * @profile: profile information. + * @roam_off: roaming state. + * @sme_state: SME state using enum brcmf_vif_status bits. + * @pm_block: power-management blocked. + * @list: linked list. + * @mgmt_rx_reg: registered rx mgmt frame types. + */ +struct brcmf_cfg80211_vif { + struct brcmf_if *ifp; + struct wireless_dev wdev; + struct brcmf_cfg80211_profile profile; + s32 roam_off; + unsigned long sme_state; + bool pm_block; + struct vif_saved_ie saved_ie; + struct list_head list; + u16 mgmt_rx_reg; }; /* association inform */ @@ -285,18 +226,9 @@ struct escan_info { u32 escan_state; u8 escan_buf[WL_ESCAN_BUF_SIZE]; struct wiphy *wiphy; - struct net_device *ndev; -}; - -/* Structure to hold WPS, WPA IEs for a AP */ -struct ap_info { - u8 probe_res_ie[IE_MAX_LEN]; - u8 beacon_ie[IE_MAX_LEN]; - u32 probe_res_ie_len; - u32 beacon_ie_len; - u8 *wpa_ie; - u8 *rsn_ie; - bool security_mode; + struct brcmf_if *ifp; + s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, + struct cfg80211_scan_request *request, u16 action); }; /** @@ -381,34 +313,42 @@ struct brcmf_pno_scanresults_le { }; /** + * struct brcmf_cfg80211_vif_event - virtual interface event information. + * + * @vif_wq: waitqueue awaiting interface event from firmware. + * @vif_event_lock: protects other members in this structure. + * @vif_complete: completion for net attach. + * @action: either add, change, or delete. + * @vif: virtual interface object related to the event. + */ +struct brcmf_cfg80211_vif_event { + wait_queue_head_t vif_wq; + struct mutex vif_event_lock; + u8 action; + struct brcmf_cfg80211_vif *vif; +}; + +/** * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface * - * @wdev: representing wl cfg80211 device. + * @wiphy: wiphy object for cfg80211 interface. * @conf: dongle configuration. + * @p2p: peer-to-peer specific information. + * @btcoex: Bluetooth coexistence information. * @scan_request: cfg80211 scan request object. - * @el: main event loop. - * @evt_q_list: used for event queue. - * @evt_q_lock: for event queue synchronization. * @usr_sync: mainly for dongle up/down synchronization. * @bss_list: bss_list holding scanned ap information. - * @scan_results: results of the last scan. * @scan_req_int: internal scan request object. * @bss_info: bss information for cfg80211 layer. * @ie: information element object for internal purpose. - * @profile: holding dongle profile. - * @iscan: iscan controller information. * @conn_info: association info. * @pmk_list: wpa2 pmk list. - * @event_work: event handler work struct. - * @status: current dongle status. + * @scan_status: scan activity on the dongle. * @pub: common driver information. * @channel: current channel. - * @iscan_on: iscan on/off switch. - * @iscan_kickstart: indicate iscan already started. * @active_scan: current scan mode. * @sched_escan: e-scan for scheduled scan support running. * @ibss_starter: indicates this sta is ibss starter. - * @link_up: link/connection up flag. * @pwr_save: indicate whether dongle to support power save mode. * @dongle_up: indicate whether dongle up or not. * @roam_on: on/off switch for dongle self-roaming. @@ -416,59 +356,65 @@ struct brcmf_pno_scanresults_le { * @dcmd_buf: dcmd buffer. * @extra_buf: mainly to grab assoc information. * @debugfsdir: debugfs folder for this device. - * @escan_on: escan on/off switch. * @escan_info: escan information. * @escan_timeout: Timer for catch scan timeout. * @escan_timeout_work: scan timeout worker. * @escan_ioctl_buf: dongle command buffer for escan commands. - * @ap_info: host ap information. - * @ci: used to link this structure to netdev private data. + * @vif_list: linked list of vif instances. + * @vif_cnt: number of vif instances. + * @vif_event: vif event signalling. */ struct brcmf_cfg80211_info { - struct wireless_dev *wdev; + struct wiphy *wiphy; struct brcmf_cfg80211_conf *conf; + struct brcmf_p2p_info p2p; + struct brcmf_btcoex_info *btcoex; struct cfg80211_scan_request *scan_request; - struct brcmf_cfg80211_event_loop el; - struct list_head evt_q_list; - spinlock_t evt_q_lock; struct mutex usr_sync; struct brcmf_scan_results *bss_list; - struct brcmf_scan_results *scan_results; - struct brcmf_cfg80211_scan_req *scan_req_int; + struct brcmf_cfg80211_scan_req scan_req_int; struct wl_cfg80211_bss_info *bss_info; struct brcmf_cfg80211_ie ie; - struct brcmf_cfg80211_profile *profile; - struct brcmf_cfg80211_iscan_ctrl *iscan; struct brcmf_cfg80211_connect_info conn_info; struct brcmf_cfg80211_pmk_list *pmk_list; - struct work_struct event_work; - unsigned long status; + unsigned long scan_status; struct brcmf_pub *pub; u32 channel; - bool iscan_on; - bool iscan_kickstart; bool active_scan; bool sched_escan; bool ibss_starter; - bool link_up; bool pwr_save; bool dongle_up; - bool roam_on; bool scan_tried; u8 *dcmd_buf; u8 *extra_buf; struct dentry *debugfsdir; - bool escan_on; struct escan_info escan_info; struct timer_list escan_timeout; struct work_struct escan_timeout_work; u8 *escan_ioctl_buf; - struct ap_info *ap_info; + struct list_head vif_list; + struct brcmf_cfg80211_vif_event vif_event; + struct completion vif_disabled; + struct brcmu_d11inf d11inf; +}; + +/** + * struct brcmf_tlv - tag_ID/length/value_buffer tuple. + * + * @id: tag identifier. + * @len: number of bytes in value buffer. + * @data: value buffer. + */ +struct brcmf_tlv { + u8 id; + u8 len; + u8 data[1]; }; -static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *w) +static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg) { - return w->wdev->wiphy; + return cfg->wiphy; } static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w) @@ -481,9 +427,12 @@ static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd) return (struct brcmf_cfg80211_info *)(wdev_priv(wd)); } -static inline struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg) +static inline +struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg) { - return cfg->wdev->netdev; + struct brcmf_cfg80211_vif *vif; + vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list); + return vif->wdev.netdev; } static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev) @@ -491,8 +440,17 @@ static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev) return wdev_to_cfg(ndev->ieee80211_ptr); } -#define iscan_to_cfg(i) ((struct brcmf_cfg80211_info *)(i->data)) -#define cfg_to_iscan(w) (w->iscan) +static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd) +{ + struct brcmf_if *ifp = netdev_priv(nd); + return &ifp->vif->profile; +} + +static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev) +{ + struct brcmf_if *ifp = netdev_priv(ndev); + return ifp->vif; +} static inline struct brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg) @@ -500,15 +458,36 @@ brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg) return &cfg->conn_info; } -struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct net_device *ndev, - struct device *busdev, - struct brcmf_pub *drvr); +struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, + struct device *busdev); void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg); - -/* event handler from dongle */ -void brcmf_cfg80211_event(struct net_device *ndev, - const struct brcmf_event_msg *e, void *data); -s32 brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg); -s32 brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg); +s32 brcmf_cfg80211_up(struct net_device *ndev); +s32 brcmf_cfg80211_down(struct net_device *ndev); +enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp); + +struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, + enum nl80211_iftype type, + bool pm_block); +void brcmf_free_vif(struct brcmf_cfg80211_vif *vif); + +s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, + const u8 *vndr_ie_buf, u32 vndr_ie_len); +s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif); +const struct brcmf_tlv * +brcmf_parse_tlvs(const void *buf, int buflen, uint key); +u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, + struct ieee80211_channel *ch); +u32 wl_get_vif_state_all(struct brcmf_cfg80211_info *cfg, unsigned long state); +void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, + struct brcmf_cfg80211_vif *vif); +bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg); +int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg, + u8 action, ulong timeout); +s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, + struct brcmf_if *ifp, bool aborted, + bool fw_abort); +void brcmf_set_mpc(struct brcmf_if *ndev, int mpc); +void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg); +void brcmf_cfg80211_free_netdev(struct net_device *ndev); #endif /* _wl_cfg80211_h_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/Makefile b/drivers/net/wireless/brcm80211/brcmsmac/Makefile index e227c4c68ef..32464acccd9 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/Makefile +++ b/drivers/net/wireless/brcm80211/brcmsmac/Makefile @@ -21,7 +21,7 @@ ccflags-y := \ -Idrivers/net/wireless/brcm80211/brcmsmac/phy \ -Idrivers/net/wireless/brcm80211/include -BRCMSMAC_OFILES := \ +brcmsmac-y := \ mac80211_if.o \ ucode_loader.o \ ampdu.o \ @@ -40,9 +40,9 @@ BRCMSMAC_OFILES := \ phy/phytbl_n.o \ phy/phy_qmath.o \ dma.o \ - brcms_trace_events.o + brcms_trace_events.o \ + debug.o -MODULEPFX := brcmsmac +brcmsmac-$(CONFIG_BCMA_DRIVER_GPIO) += led.o -obj-$(CONFIG_BRCMSMAC) += $(MODULEPFX).o -$(MODULEPFX)-objs = $(BRCMSMAC_OFILES) +obj-$(CONFIG_BRCMSMAC) += brcmsmac.o diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c index b89f1272b93..53365977bfd 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c @@ -318,12 +318,6 @@ #define IS_SIM(chippkg) \ ((chippkg == HDLSIM_PKG_ID) || (chippkg == HWSIM_PKG_ID)) -#ifdef DEBUG -#define SI_MSG(fmt, ...) pr_debug(fmt, ##__VA_ARGS__) -#else -#define SI_MSG(fmt, ...) no_printk(fmt, ##__VA_ARGS__) -#endif /* DEBUG */ - #define GOODCOREADDR(x, b) \ (((x) >= (b)) && ((x) < ((b) + SI_MAXCORES * SI_CORE_SIZE)) && \ IS_ALIGNED((x), SI_CORE_SIZE)) @@ -685,27 +679,6 @@ bool ai_clkctl_cc(struct si_pub *sih, enum bcma_clkmode mode) return mode == BCMA_CLKMODE_FAST; } -void ai_pci_up(struct si_pub *sih) -{ - struct si_info *sii; - - sii = container_of(sih, struct si_info, pub); - - if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI) - bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci, true); -} - -/* Unconfigure and/or apply various WARs when going down */ -void ai_pci_down(struct si_pub *sih) -{ - struct si_info *sii; - - sii = container_of(sih, struct si_info, pub); - - if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI) - bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci, false); -} - /* Enable BT-COEX & Ex-PA for 4313 */ void ai_epa_4313war(struct si_pub *sih) { @@ -721,7 +694,7 @@ void ai_epa_4313war(struct si_pub *sih) /* check if the device is removed */ bool ai_deviceremoved(struct si_pub *sih) { - u32 w; + u32 w = 0; struct si_info *sii; sii = container_of(sih, struct si_info, pub); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h index 89562c1fbf4..2d08c155c23 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h @@ -172,22 +172,19 @@ struct si_info { /* AMBA Interconnect exported externs */ -extern u32 ai_core_cflags(struct bcma_device *core, u32 mask, u32 val); +u32 ai_core_cflags(struct bcma_device *core, u32 mask, u32 val); /* === exported functions === */ -extern struct si_pub *ai_attach(struct bcma_bus *pbus); -extern void ai_detach(struct si_pub *sih); -extern uint ai_cc_reg(struct si_pub *sih, uint regoff, u32 mask, u32 val); -extern void ai_clkctl_init(struct si_pub *sih); -extern u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih); -extern bool ai_clkctl_cc(struct si_pub *sih, enum bcma_clkmode mode); -extern bool ai_deviceremoved(struct si_pub *sih); - -extern void ai_pci_down(struct si_pub *sih); -extern void ai_pci_up(struct si_pub *sih); +struct si_pub *ai_attach(struct bcma_bus *pbus); +void ai_detach(struct si_pub *sih); +uint ai_cc_reg(struct si_pub *sih, uint regoff, u32 mask, u32 val); +void ai_clkctl_init(struct si_pub *sih); +u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih); +bool ai_clkctl_cc(struct si_pub *sih, enum bcma_clkmode mode); +bool ai_deviceremoved(struct si_pub *sih); /* Enable Ex-PA for 4313 */ -extern void ai_epa_4313war(struct si_pub *sih); +void ai_epa_4313war(struct si_pub *sih); static inline u32 ai_get_cccaps(struct si_pub *sih) { diff --git a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c index be5bcfb9153..fa391e4eb09 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c @@ -21,6 +21,8 @@ #include "antsel.h" #include "main.h" #include "ampdu.h" +#include "debug.h" +#include "brcms_trace_events.h" /* max number of mpdus in an ampdu */ #define AMPDU_MAX_MPDU 32 @@ -40,8 +42,6 @@ #define AMPDU_DEF_RETRY_LIMIT 5 /* default tx retry limit at reg rate */ #define AMPDU_DEF_RR_RETRY_LIMIT 2 -/* default weight of ampdu in txfifo */ -#define AMPDU_DEF_TXPKT_WEIGHT 2 /* default ffpld reserved bytes */ #define AMPDU_DEF_FFPLD_RSVD 2048 /* # of inis to be freed on detach */ @@ -114,7 +114,6 @@ struct brcms_fifo_info { * mpdu_density: min mpdu spacing (0-7) ==> 2^(x-1)/8 usec * max_pdu: max pdus allowed in ampdu * dur: max duration of an ampdu (in msec) - * txpkt_weight: weight of ampdu in txfifo; reduces rate lag * rx_factor: maximum rx ampdu factor (0-3) ==> 2^(13+x) bytes * ffpld_rsvd: number of bytes to reserve for preload * max_txlen: max size of ampdu per mcs, bw and sgi @@ -136,7 +135,6 @@ struct ampdu_info { u8 mpdu_density; s8 max_pdu; u8 dur; - u8 txpkt_weight; u8 rx_factor; u32 ffpld_rsvd; u32 max_txlen[MCS_TABLE_SIZE][2][2]; @@ -183,18 +181,19 @@ static bool brcms_c_ampdu_cap(struct ampdu_info *ampdu) static int brcms_c_ampdu_set(struct ampdu_info *ampdu, bool on) { struct brcms_c_info *wlc = ampdu->wlc; + struct bcma_device *core = wlc->hw->d11core; wlc->pub->_ampdu = false; if (on) { if (!(wlc->pub->_n_enab & SUPPORT_11N)) { - wiphy_err(ampdu->wlc->wiphy, "wl%d: driver not " - "nmode enabled\n", wlc->pub->unit); + brcms_err(core, "wl%d: driver not nmode enabled\n", + wlc->pub->unit); return -ENOTSUPP; } if (!brcms_c_ampdu_cap(ampdu)) { - wiphy_err(ampdu->wlc->wiphy, "wl%d: device not " - "ampdu capable\n", wlc->pub->unit); + brcms_err(core, "wl%d: device not ampdu capable\n", + wlc->pub->unit); return -ENOTSUPP; } wlc->pub->_ampdu = on; @@ -247,7 +246,6 @@ struct ampdu_info *brcms_c_ampdu_attach(struct brcms_c_info *wlc) ampdu->mpdu_density = AMPDU_DEF_MPDU_DENSITY; ampdu->max_pdu = AUTO; ampdu->dur = AMPDU_MAX_DUR; - ampdu->txpkt_weight = AMPDU_DEF_TXPKT_WEIGHT; ampdu->ffpld_rsvd = AMPDU_DEF_FFPLD_RSVD; /* @@ -374,7 +372,8 @@ static int brcms_c_ffpld_check_txfunfl(struct brcms_c_info *wlc, int fid) offsetof(struct macstat, txfunfl[fid])); new_txunfl = (u16) (cur_txunfl - fifo->prev_txfunfl); if (new_txunfl == 0) { - BCMMSG(wlc->wiphy, "TX status FRAG set but no tx underflows\n"); + brcms_dbg_ht(wlc->hw->d11core, + "TX status FRAG set but no tx underflows\n"); return -1; } fifo->prev_txfunfl = cur_txunfl; @@ -396,8 +395,8 @@ static int brcms_c_ffpld_check_txfunfl(struct brcms_c_info *wlc, int fid) if (fifo->accum_txfunfl < 10) return 0; - BCMMSG(wlc->wiphy, "ampdu_count %d tx_underflows %d\n", - current_ampdu_cnt, fifo->accum_txfunfl); + brcms_dbg_ht(wlc->hw->d11core, "ampdu_count %d tx_underflows %d\n", + current_ampdu_cnt, fifo->accum_txfunfl); /* compute the current ratio of tx unfl per ampdu. @@ -450,9 +449,10 @@ static int brcms_c_ffpld_check_txfunfl(struct brcms_c_info *wlc, int fid) (max_mpdu * FFPLD_MPDU_SIZE - fifo->ampdu_pld_size)) / (max_mpdu * FFPLD_MPDU_SIZE)) * 100; - BCMMSG(wlc->wiphy, "DMA estimated transfer rate %d; " - "pre-load size %d\n", - fifo->dmaxferrate, fifo->ampdu_pld_size); + brcms_dbg_ht(wlc->hw->d11core, + "DMA estimated transfer rate %d; " + "pre-load size %d\n", + fifo->dmaxferrate, fifo->ampdu_pld_size); } else { /* decrease ampdu size */ @@ -486,7 +486,7 @@ brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid, scb_ampdu = &scb->scb_ampdu; if (!ampdu->ini_enable[tid]) { - wiphy_err(ampdu->wlc->wiphy, "%s: Rejecting tid %d\n", + brcms_err(wlc->hw->d11core, "%s: Rejecting tid %d\n", __func__, tid); return; } @@ -498,378 +498,324 @@ brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid, scb_ampdu->max_rx_ampdu_bytes = max_rx_ampdu_bytes; } -int -brcms_c_sendampdu(struct ampdu_info *ampdu, struct brcms_txq_info *qi, - struct sk_buff **pdu, int prec) +void brcms_c_ampdu_reset_session(struct brcms_ampdu_session *session, + struct brcms_c_info *wlc) { - struct brcms_c_info *wlc; - struct sk_buff *p, *pkt[AMPDU_MAX_MPDU]; - u8 tid, ndelim; - int err = 0; - u8 preamble_type = BRCMS_GF_PREAMBLE; - u8 fbr_preamble_type = BRCMS_GF_PREAMBLE; - u8 rts_preamble_type = BRCMS_LONG_PREAMBLE; - u8 rts_fbr_preamble_type = BRCMS_LONG_PREAMBLE; + session->wlc = wlc; + skb_queue_head_init(&session->skb_list); + session->max_ampdu_len = 0; /* determined from first MPDU */ + session->max_ampdu_frames = 0; /* determined from first MPDU */ + session->ampdu_len = 0; + session->dma_len = 0; +} - bool rr = true, fbr = false; - uint i, count = 0, fifo, seg_cnt = 0; - u16 plen, len, seq = 0, mcl, mch, index, frameid, dma_len = 0; - u32 ampdu_len, max_ampdu_bytes = 0; - struct d11txh *txh = NULL; +/* + * Preps the given packet for AMPDU based on the session data. If the + * frame cannot be accomodated in the current session, -ENOSPC is + * returned. + */ +int brcms_c_ampdu_add_frame(struct brcms_ampdu_session *session, + struct sk_buff *p) +{ + struct brcms_c_info *wlc = session->wlc; + struct ampdu_info *ampdu = wlc->ampdu; + struct scb *scb = &wlc->pri_scb; + struct scb_ampdu *scb_ampdu = &scb->scb_ampdu; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(p); + struct ieee80211_tx_rate *txrate = tx_info->status.rates; + struct d11txh *txh = (struct d11txh *)p->data; + unsigned ampdu_frames; + u8 ndelim, tid; u8 *plcp; - struct ieee80211_hdr *h; - struct scb *scb; - struct scb_ampdu *scb_ampdu; - struct scb_ampdu_tid_ini *ini; - u8 mcs = 0; - bool use_rts = false, use_cts = false; - u32 rspec = 0, rspec_fallback = 0; - u32 rts_rspec = 0, rts_rspec_fallback = 0; - u16 mimo_ctlchbw = PHY_TXC1_BW_20MHZ; - struct ieee80211_rts *rts; - u8 rr_retry_limit; - struct brcms_fifo_info *f; + uint len; + u16 mcl; bool fbr_iscck; - struct ieee80211_tx_info *tx_info; - u16 qlen; - struct wiphy *wiphy; - - wlc = ampdu->wlc; - wiphy = wlc->wiphy; - p = *pdu; - - tid = (u8) (p->priority); + bool rr; - f = ampdu->fifo_tb + prio2fifo[tid]; + ndelim = txh->RTSPLCPFallback[AMPDU_FBR_NULL_DELIM]; + plcp = (u8 *)(txh + 1); + fbr_iscck = !(le16_to_cpu(txh->XtraFrameTypes) & 0x03); + len = fbr_iscck ? BRCMS_GET_CCK_PLCP_LEN(txh->FragPLCPFallback) : + BRCMS_GET_MIMO_PLCP_LEN(txh->FragPLCPFallback); + len = roundup(len, 4) + (ndelim + 1) * AMPDU_DELIMITER_LEN; - scb = &wlc->pri_scb; - scb_ampdu = &scb->scb_ampdu; - ini = &scb_ampdu->ini[tid]; + ampdu_frames = skb_queue_len(&session->skb_list); + if (ampdu_frames != 0) { + struct sk_buff *first; - /* Let pressure continue to build ... */ - qlen = pktq_plen(&qi->q, prec); - if (ini->tx_in_transit > 0 && - qlen < min(scb_ampdu->max_pdu, ini->ba_wsize)) - /* Collect multiple MPDU's to be sent in the next AMPDU */ - return -EBUSY; + if (ampdu_frames + 1 > session->max_ampdu_frames || + session->ampdu_len + len > session->max_ampdu_len) + return -ENOSPC; - /* at this point we intend to transmit an AMPDU */ - rr_retry_limit = ampdu->rr_retry_limit_tid[tid]; - ampdu_len = 0; - dma_len = 0; - while (p) { - struct ieee80211_tx_rate *txrate; - - tx_info = IEEE80211_SKB_CB(p); - txrate = tx_info->status.rates; + /* + * We aren't really out of space if the new frame is of + * a different priority, but we want the same behaviour + * so return -ENOSPC anyway. + * + * XXX: The old AMPDU code did this, but is it really + * necessary? + */ + first = skb_peek(&session->skb_list); + if (p->priority != first->priority) + return -ENOSPC; + } - if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) { - err = brcms_c_prep_pdu(wlc, p, &fifo); - } else { - wiphy_err(wiphy, "%s: AMPDU flag is off!\n", __func__); - *pdu = NULL; - err = 0; - break; - } + /* + * Now that we're sure this frame can be accomodated, update the + * session information. + */ + session->ampdu_len += len; + session->dma_len += p->len; - if (err) { - if (err == -EBUSY) { - wiphy_err(wiphy, "wl%d: sendampdu: " - "prep_xdu retry; seq 0x%x\n", - wlc->pub->unit, seq); - *pdu = p; - break; - } + tid = (u8)p->priority; - /* error in the packet; reject it */ - wiphy_err(wiphy, "wl%d: sendampdu: prep_xdu " - "rejected; seq 0x%x\n", wlc->pub->unit, seq); - *pdu = NULL; - break; - } + /* Handle retry limits */ + if (txrate[0].count <= ampdu->rr_retry_limit_tid[tid]) { + txrate[0].count++; + rr = true; + } else { + txrate[1].count++; + rr = false; + } - /* pkt is good to be aggregated */ - txh = (struct d11txh *) p->data; - plcp = (u8 *) (txh + 1); - h = (struct ieee80211_hdr *)(plcp + D11_PHY_HDR_LEN); - seq = le16_to_cpu(h->seq_ctrl) >> SEQNUM_SHIFT; - index = TX_SEQ_TO_INDEX(seq); + if (ampdu_frames == 0) { + u8 plcp0, plcp3, is40, sgi, mcs; + uint fifo = le16_to_cpu(txh->TxFrameID) & TXFID_QUEUE_MASK; + struct brcms_fifo_info *f = &du->fifo_tb[fifo]; - /* check mcl fields and test whether it can be agg'd */ - mcl = le16_to_cpu(txh->MacTxControlLow); - mcl &= ~TXC_AMPDU_MASK; - fbr_iscck = !(le16_to_cpu(txh->XtraFrameTypes) & 0x3); - txh->PreloadSize = 0; /* always default to 0 */ - - /* Handle retry limits */ - if (txrate[0].count <= rr_retry_limit) { - txrate[0].count++; - rr = true; - fbr = false; + if (rr) { + plcp0 = plcp[0]; + plcp3 = plcp[3]; } else { - fbr = true; - rr = false; - txrate[1].count++; - } - - /* extract the length info */ - len = fbr_iscck ? BRCMS_GET_CCK_PLCP_LEN(txh->FragPLCPFallback) - : BRCMS_GET_MIMO_PLCP_LEN(txh->FragPLCPFallback); - - /* retrieve null delimiter count */ - ndelim = txh->RTSPLCPFallback[AMPDU_FBR_NULL_DELIM]; - seg_cnt += 1; + plcp0 = txh->FragPLCPFallback[0]; + plcp3 = txh->FragPLCPFallback[3]; - BCMMSG(wlc->wiphy, "wl%d: mpdu %d plcp_len %d\n", - wlc->pub->unit, count, len); - - /* - * aggregateable mpdu. For ucode/hw agg, - * test whether need to break or change the epoch - */ - if (count == 0) { - mcl |= (TXC_AMPDU_FIRST << TXC_AMPDU_SHIFT); - /* refill the bits since might be a retx mpdu */ - mcl |= TXC_STARTMSDU; - rts = (struct ieee80211_rts *)&txh->rts_frame; - - if (ieee80211_is_rts(rts->frame_control)) { - mcl |= TXC_SENDRTS; - use_rts = true; - } - if (ieee80211_is_cts(rts->frame_control)) { - mcl |= TXC_SENDCTS; - use_cts = true; - } - } else { - mcl |= (TXC_AMPDU_MIDDLE << TXC_AMPDU_SHIFT); - mcl &= ~(TXC_STARTMSDU | TXC_SENDRTS | TXC_SENDCTS); } - len = roundup(len, 4); - ampdu_len += (len + (ndelim + 1) * AMPDU_DELIMITER_LEN); + /* Limit AMPDU size based on MCS */ + is40 = (plcp0 & MIMO_PLCP_40MHZ) ? 1 : 0; + sgi = plcp3_issgi(plcp3) ? 1 : 0; + mcs = plcp0 & ~MIMO_PLCP_40MHZ; + session->max_ampdu_len = min(scb_ampdu->max_rx_ampdu_bytes, + ampdu->max_txlen[mcs][is40][sgi]); - dma_len += (u16) p->len; + session->max_ampdu_frames = scb_ampdu->max_pdu; + if (mcs_2_rate(mcs, true, false) >= f->dmaxferrate) { + session->max_ampdu_frames = + min_t(u16, f->mcs2ampdu_table[mcs], + session->max_ampdu_frames); + } + } - BCMMSG(wlc->wiphy, "wl%d: ampdu_len %d" - " seg_cnt %d null delim %d\n", - wlc->pub->unit, ampdu_len, seg_cnt, ndelim); + /* + * Treat all frames as "middle" frames of AMPDU here. First and + * last frames must be fixed up after all MPDUs have been prepped. + */ + mcl = le16_to_cpu(txh->MacTxControlLow); + mcl &= ~TXC_AMPDU_MASK; + mcl |= (TXC_AMPDU_MIDDLE << TXC_AMPDU_SHIFT); + mcl &= ~(TXC_STARTMSDU | TXC_SENDRTS | TXC_SENDCTS); + txh->MacTxControlLow = cpu_to_le16(mcl); + txh->PreloadSize = 0; /* always default to 0 */ - txh->MacTxControlLow = cpu_to_le16(mcl); + skb_queue_tail(&session->skb_list, p); - /* this packet is added */ - pkt[count++] = p; + return 0; +} - /* patch the first MPDU */ - if (count == 1) { - u8 plcp0, plcp3, is40, sgi; +void brcms_c_ampdu_finalize(struct brcms_ampdu_session *session) +{ + struct brcms_c_info *wlc = session->wlc; + struct ampdu_info *ampdu = wlc->ampdu; + struct sk_buff *first, *last; + struct d11txh *txh; + struct ieee80211_tx_info *tx_info; + struct ieee80211_tx_rate *txrate; + u8 ndelim; + u8 *plcp; + uint len; + uint fifo; + struct brcms_fifo_info *f; + u16 mcl; + bool fbr; + bool fbr_iscck; + struct ieee80211_rts *rts; + bool use_rts = false, use_cts = false; + u16 dma_len = session->dma_len; + u16 mimo_ctlchbw = PHY_TXC1_BW_20MHZ; + u32 rspec = 0, rspec_fallback = 0; + u32 rts_rspec = 0, rts_rspec_fallback = 0; + u8 plcp0, plcp3, is40, sgi, mcs; + u16 mch; + u8 preamble_type = BRCMS_GF_PREAMBLE; + u8 fbr_preamble_type = BRCMS_GF_PREAMBLE; + u8 rts_preamble_type = BRCMS_LONG_PREAMBLE; + u8 rts_fbr_preamble_type = BRCMS_LONG_PREAMBLE; - if (rr) { - plcp0 = plcp[0]; - plcp3 = plcp[3]; - } else { - plcp0 = txh->FragPLCPFallback[0]; - plcp3 = txh->FragPLCPFallback[3]; + if (skb_queue_empty(&session->skb_list)) + return; - } - is40 = (plcp0 & MIMO_PLCP_40MHZ) ? 1 : 0; - sgi = plcp3_issgi(plcp3) ? 1 : 0; - mcs = plcp0 & ~MIMO_PLCP_40MHZ; - max_ampdu_bytes = - min(scb_ampdu->max_rx_ampdu_bytes, - ampdu->max_txlen[mcs][is40][sgi]); - - if (is40) - mimo_ctlchbw = - CHSPEC_SB_UPPER(wlc_phy_chanspec_get( - wlc->band->pi)) - ? PHY_TXC1_BW_20MHZ_UP : PHY_TXC1_BW_20MHZ; - - /* rebuild the rspec and rspec_fallback */ - rspec = RSPEC_MIMORATE; - rspec |= plcp[0] & ~MIMO_PLCP_40MHZ; - if (plcp[0] & MIMO_PLCP_40MHZ) - rspec |= (PHY_TXC1_BW_40MHZ << RSPEC_BW_SHIFT); - - if (fbr_iscck) /* CCK */ - rspec_fallback = cck_rspec(cck_phy2mac_rate - (txh->FragPLCPFallback[0])); - else { /* MIMO */ - rspec_fallback = RSPEC_MIMORATE; - rspec_fallback |= - txh->FragPLCPFallback[0] & ~MIMO_PLCP_40MHZ; - if (txh->FragPLCPFallback[0] & MIMO_PLCP_40MHZ) - rspec_fallback |= - (PHY_TXC1_BW_40MHZ << - RSPEC_BW_SHIFT); - } + first = skb_peek(&session->skb_list); + last = skb_peek_tail(&session->skb_list); + + /* Need to fix up last MPDU first to adjust AMPDU length */ + txh = (struct d11txh *)last->data; + fifo = le16_to_cpu(txh->TxFrameID) & TXFID_QUEUE_MASK; + f = &du->fifo_tb[fifo]; + + mcl = le16_to_cpu(txh->MacTxControlLow); + mcl &= ~TXC_AMPDU_MASK; + mcl |= (TXC_AMPDU_LAST << TXC_AMPDU_SHIFT); + txh->MacTxControlLow = cpu_to_le16(mcl); + + /* remove the null delimiter after last mpdu */ + ndelim = txh->RTSPLCPFallback[AMPDU_FBR_NULL_DELIM]; + txh->RTSPLCPFallback[AMPDU_FBR_NULL_DELIM] = 0; + session->ampdu_len -= ndelim * AMPDU_DELIMITER_LEN; + + /* remove the pad len from last mpdu */ + fbr_iscck = ((le16_to_cpu(txh->XtraFrameTypes) & 0x3) == 0); + len = fbr_iscck ? BRCMS_GET_CCK_PLCP_LEN(txh->FragPLCPFallback) : + BRCMS_GET_MIMO_PLCP_LEN(txh->FragPLCPFallback); + session->ampdu_len -= roundup(len, 4) - len; + + /* Now fix up the first MPDU */ + tx_info = IEEE80211_SKB_CB(first); + txrate = tx_info->status.rates; + txh = (struct d11txh *)first->data; + plcp = (u8 *)(txh + 1); + rts = (struct ieee80211_rts *)&txh->rts_frame; + + mcl = le16_to_cpu(txh->MacTxControlLow); + /* If only one MPDU leave it marked as last */ + if (first != last) { + mcl &= ~TXC_AMPDU_MASK; + mcl |= (TXC_AMPDU_FIRST << TXC_AMPDU_SHIFT); + } + mcl |= TXC_STARTMSDU; + if (ieee80211_is_rts(rts->frame_control)) { + mcl |= TXC_SENDRTS; + use_rts = true; + } + if (ieee80211_is_cts(rts->frame_control)) { + mcl |= TXC_SENDCTS; + use_cts = true; + } + txh->MacTxControlLow = cpu_to_le16(mcl); - if (use_rts || use_cts) { - rts_rspec = - brcms_c_rspec_to_rts_rspec(wlc, - rspec, false, mimo_ctlchbw); - rts_rspec_fallback = - brcms_c_rspec_to_rts_rspec(wlc, - rspec_fallback, false, mimo_ctlchbw); - } - } + fbr = txrate[1].count > 0; + if (!fbr) { + plcp0 = plcp[0]; + plcp3 = plcp[3]; + } else { + plcp0 = txh->FragPLCPFallback[0]; + plcp3 = txh->FragPLCPFallback[3]; + } + is40 = (plcp0 & MIMO_PLCP_40MHZ) ? 1 : 0; + sgi = plcp3_issgi(plcp3) ? 1 : 0; + mcs = plcp0 & ~MIMO_PLCP_40MHZ; + + if (is40) { + if (CHSPEC_SB_UPPER(wlc_phy_chanspec_get(wlc->band->pi))) + mimo_ctlchbw = PHY_TXC1_BW_20MHZ_UP; + else + mimo_ctlchbw = PHY_TXC1_BW_20MHZ; + } - /* if (first mpdu for host agg) */ - /* test whether to add more */ - if ((mcs_2_rate(mcs, true, false) >= f->dmaxferrate) && - (count == f->mcs2ampdu_table[mcs])) { - BCMMSG(wlc->wiphy, "wl%d: PR 37644: stopping" - " ampdu at %d for mcs %d\n", - wlc->pub->unit, count, mcs); - break; - } + /* rebuild the rspec and rspec_fallback */ + rspec = RSPEC_MIMORATE; + rspec |= plcp[0] & ~MIMO_PLCP_40MHZ; + if (plcp[0] & MIMO_PLCP_40MHZ) + rspec |= (PHY_TXC1_BW_40MHZ << RSPEC_BW_SHIFT); - if (count == scb_ampdu->max_pdu) - break; + fbr_iscck = !(le16_to_cpu(txh->XtraFrameTypes) & 0x03); + if (fbr_iscck) { + rspec_fallback = + cck_rspec(cck_phy2mac_rate(txh->FragPLCPFallback[0])); + } else { + rspec_fallback = RSPEC_MIMORATE; + rspec_fallback |= txh->FragPLCPFallback[0] & ~MIMO_PLCP_40MHZ; + if (txh->FragPLCPFallback[0] & MIMO_PLCP_40MHZ) + rspec_fallback |= PHY_TXC1_BW_40MHZ << RSPEC_BW_SHIFT; + } - /* - * check to see if the next pkt is - * a candidate for aggregation - */ - p = pktq_ppeek(&qi->q, prec); - if (p) { - tx_info = IEEE80211_SKB_CB(p); - if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && - ((u8) (p->priority) == tid)) { - plen = p->len + AMPDU_MAX_MPDU_OVERHEAD; - plen = max(scb_ampdu->min_len, plen); + if (use_rts || use_cts) { + rts_rspec = + brcms_c_rspec_to_rts_rspec(wlc, rspec, + false, mimo_ctlchbw); + rts_rspec_fallback = + brcms_c_rspec_to_rts_rspec(wlc, rspec_fallback, + false, mimo_ctlchbw); + } - if ((plen + ampdu_len) > max_ampdu_bytes) { - p = NULL; - continue; - } + BRCMS_SET_MIMO_PLCP_LEN(plcp, session->ampdu_len); + /* mark plcp to indicate ampdu */ + BRCMS_SET_MIMO_PLCP_AMPDU(plcp); - /* - * check if there are enough - * descriptors available - */ - if (*wlc->core->txavail[fifo] <= seg_cnt + 1) { - wiphy_err(wiphy, "%s: No fifo space " - "!!\n", __func__); - p = NULL; - continue; - } - /* next packet fit for aggregation so dequeue */ - p = brcmu_pktq_pdeq(&qi->q, prec); - } else { - p = NULL; - } - } - } /* end while(p) */ + /* reset the mixed mode header durations */ + if (txh->MModeLen) { + u16 mmodelen = brcms_c_calc_lsig_len(wlc, rspec, + session->ampdu_len); + txh->MModeLen = cpu_to_le16(mmodelen); + preamble_type = BRCMS_MM_PREAMBLE; + } + if (txh->MModeFbrLen) { + u16 mmfbrlen = brcms_c_calc_lsig_len(wlc, rspec_fallback, + session->ampdu_len); + txh->MModeFbrLen = cpu_to_le16(mmfbrlen); + fbr_preamble_type = BRCMS_MM_PREAMBLE; + } - ini->tx_in_transit += count; + /* set the preload length */ + if (mcs_2_rate(mcs, true, false) >= f->dmaxferrate) { + dma_len = min(dma_len, f->ampdu_pld_size); + txh->PreloadSize = cpu_to_le16(dma_len); + } else { + txh->PreloadSize = 0; + } - if (count) { - /* patch up the last txh */ - txh = (struct d11txh *) pkt[count - 1]->data; - mcl = le16_to_cpu(txh->MacTxControlLow); - mcl &= ~TXC_AMPDU_MASK; - mcl |= (TXC_AMPDU_LAST << TXC_AMPDU_SHIFT); - txh->MacTxControlLow = cpu_to_le16(mcl); - - /* remove the null delimiter after last mpdu */ - ndelim = txh->RTSPLCPFallback[AMPDU_FBR_NULL_DELIM]; - txh->RTSPLCPFallback[AMPDU_FBR_NULL_DELIM] = 0; - ampdu_len -= ndelim * AMPDU_DELIMITER_LEN; - - /* remove the pad len from last mpdu */ - fbr_iscck = ((le16_to_cpu(txh->XtraFrameTypes) & 0x3) == 0); - len = fbr_iscck ? BRCMS_GET_CCK_PLCP_LEN(txh->FragPLCPFallback) - : BRCMS_GET_MIMO_PLCP_LEN(txh->FragPLCPFallback); - ampdu_len -= roundup(len, 4) - len; - - /* patch up the first txh & plcp */ - txh = (struct d11txh *) pkt[0]->data; - plcp = (u8 *) (txh + 1); + mch = le16_to_cpu(txh->MacTxControlHigh); - BRCMS_SET_MIMO_PLCP_LEN(plcp, ampdu_len); - /* mark plcp to indicate ampdu */ - BRCMS_SET_MIMO_PLCP_AMPDU(plcp); + /* update RTS dur fields */ + if (use_rts || use_cts) { + u16 durid; + if ((mch & TXC_PREAMBLE_RTS_MAIN_SHORT) == + TXC_PREAMBLE_RTS_MAIN_SHORT) + rts_preamble_type = BRCMS_SHORT_PREAMBLE; - /* reset the mixed mode header durations */ - if (txh->MModeLen) { - u16 mmodelen = - brcms_c_calc_lsig_len(wlc, rspec, ampdu_len); - txh->MModeLen = cpu_to_le16(mmodelen); - preamble_type = BRCMS_MM_PREAMBLE; - } - if (txh->MModeFbrLen) { - u16 mmfbrlen = - brcms_c_calc_lsig_len(wlc, rspec_fallback, - ampdu_len); - txh->MModeFbrLen = cpu_to_le16(mmfbrlen); - fbr_preamble_type = BRCMS_MM_PREAMBLE; - } + if ((mch & TXC_PREAMBLE_RTS_FB_SHORT) == + TXC_PREAMBLE_RTS_FB_SHORT) + rts_fbr_preamble_type = BRCMS_SHORT_PREAMBLE; - /* set the preload length */ - if (mcs_2_rate(mcs, true, false) >= f->dmaxferrate) { - dma_len = min(dma_len, f->ampdu_pld_size); - txh->PreloadSize = cpu_to_le16(dma_len); - } else - txh->PreloadSize = 0; - - mch = le16_to_cpu(txh->MacTxControlHigh); - - /* update RTS dur fields */ - if (use_rts || use_cts) { - u16 durid; - rts = (struct ieee80211_rts *)&txh->rts_frame; - if ((mch & TXC_PREAMBLE_RTS_MAIN_SHORT) == - TXC_PREAMBLE_RTS_MAIN_SHORT) - rts_preamble_type = BRCMS_SHORT_PREAMBLE; - - if ((mch & TXC_PREAMBLE_RTS_FB_SHORT) == - TXC_PREAMBLE_RTS_FB_SHORT) - rts_fbr_preamble_type = BRCMS_SHORT_PREAMBLE; - - durid = - brcms_c_compute_rtscts_dur(wlc, use_cts, rts_rspec, + durid = brcms_c_compute_rtscts_dur(wlc, use_cts, rts_rspec, rspec, rts_preamble_type, - preamble_type, ampdu_len, - true); - rts->duration = cpu_to_le16(durid); - durid = brcms_c_compute_rtscts_dur(wlc, use_cts, - rts_rspec_fallback, - rspec_fallback, - rts_fbr_preamble_type, - fbr_preamble_type, - ampdu_len, true); - txh->RTSDurFallback = cpu_to_le16(durid); - /* set TxFesTimeNormal */ - txh->TxFesTimeNormal = rts->duration; - /* set fallback rate version of TxFesTimeNormal */ - txh->TxFesTimeFallback = txh->RTSDurFallback; - } - - /* set flag and plcp for fallback rate */ - if (fbr) { - mch |= TXC_AMPDU_FBR; - txh->MacTxControlHigh = cpu_to_le16(mch); - BRCMS_SET_MIMO_PLCP_AMPDU(plcp); - BRCMS_SET_MIMO_PLCP_AMPDU(txh->FragPLCPFallback); - } - - BCMMSG(wlc->wiphy, "wl%d: count %d ampdu_len %d\n", - wlc->pub->unit, count, ampdu_len); - - /* inform rate_sel if it this is a rate probe pkt */ - frameid = le16_to_cpu(txh->TxFrameID); - if (frameid & TXFID_RATE_PROBE_MASK) - wiphy_err(wiphy, "%s: XXX what to do with " - "TXFID_RATE_PROBE_MASK!?\n", __func__); - - for (i = 0; i < count; i++) - brcms_c_txfifo(wlc, fifo, pkt[i], i == (count - 1), - ampdu->txpkt_weight); + preamble_type, + session->ampdu_len, true); + rts->duration = cpu_to_le16(durid); + durid = brcms_c_compute_rtscts_dur(wlc, use_cts, + rts_rspec_fallback, + rspec_fallback, + rts_fbr_preamble_type, + fbr_preamble_type, + session->ampdu_len, true); + txh->RTSDurFallback = cpu_to_le16(durid); + /* set TxFesTimeNormal */ + txh->TxFesTimeNormal = rts->duration; + /* set fallback rate version of TxFesTimeNormal */ + txh->TxFesTimeFallback = txh->RTSDurFallback; + } + /* set flag and plcp for fallback rate */ + if (fbr) { + mch |= TXC_AMPDU_FBR; + txh->MacTxControlHigh = cpu_to_le16(mch); + BRCMS_SET_MIMO_PLCP_AMPDU(plcp); + BRCMS_SET_MIMO_PLCP_AMPDU(txh->FragPLCPFallback); } - /* endif (count) */ - return err; + + brcms_dbg_ht(wlc->hw->d11core, "wl%d: count %d ampdu_len %d\n", + wlc->pub->unit, skb_queue_len(&session->skb_list), + session->ampdu_len); } static void @@ -909,7 +855,6 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb, u8 antselid = 0; u8 retry_limit, rr_retry_limit; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(p); - struct wiphy *wiphy = wlc->wiphy; #ifdef DEBUG u8 hole[AMPDU_MAX_MPDU]; @@ -955,13 +900,14 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb, if (supr_status) { update_rate = false; if (supr_status == TX_STATUS_SUPR_BADCH) { - wiphy_err(wiphy, + brcms_dbg_ht(wlc->hw->d11core, "%s: Pkt tx suppressed, illegal channel possibly %d\n", __func__, CHSPEC_CHANNEL( wlc->default_bss->chanspec)); } else { if (supr_status != TX_STATUS_SUPR_FRAG) - wiphy_err(wiphy, "%s: supr_status 0x%x\n", + brcms_err(wlc->hw->d11core, + "%s: supr_status 0x%x\n", __func__, supr_status); } /* no need to retry for badch; will fail again */ @@ -977,20 +923,14 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb, * if there were underflows, but pre-loading * is not active, notify rate adaptation. */ - if (brcms_c_ffpld_check_txfunfl(wlc, - prio2fifo[tid]) > 0) + if (brcms_c_ffpld_check_txfunfl(wlc, queue) > 0) tx_error = true; } } else if (txs->phyerr) { update_rate = false; - wiphy_err(wiphy, "%s: ampdu tx phy error (0x%x)\n", - __func__, txs->phyerr); - - if (brcm_msg_level & LOG_ERROR_VAL) { - brcmu_prpkt("txpkt (AMPDU)", p); - brcms_c_print_txdesc((struct d11txh *) p->data); - } - brcms_c_print_txstatus(txs); + brcms_dbg_ht(wlc->hw->d11core, + "%s: ampdu tx phy error (0x%x)\n", + __func__, txs->phyerr); } } @@ -1003,6 +943,8 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb, h = (struct ieee80211_hdr *)(plcp + D11_PHY_HDR_LEN); seq = le16_to_cpu(h->seq_ctrl) >> SEQNUM_SHIFT; + trace_brcms_txdesc(&wlc->hw->d11core->dev, txh, sizeof(*txh)); + if (tot_mpdu == 0) { mcs = plcp[0] & MIMO_PLCP_MCS_MASK; mimoantsel = le16_to_cpu(txh->ABI_MimoAntSel); @@ -1012,14 +954,13 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb, ack_recd = false; if (ba_recd) { bindex = MODSUB_POW2(seq, start_seq, SEQNUM_MAX); - BCMMSG(wiphy, - "tid %d seq %d, start_seq %d, bindex %d set %d, index %d\n", - tid, seq, start_seq, bindex, - isset(bitmap, bindex), index); + brcms_dbg_ht(wlc->hw->d11core, + "tid %d seq %d, start_seq %d, bindex %d set %d, index %d\n", + tid, seq, start_seq, bindex, + isset(bitmap, bindex), index); /* if acked then clear bit and free packet */ if ((bindex < AMPDU_TX_BA_MAX_WSIZE) && isset(bitmap, bindex)) { - ini->tx_in_transit--; ini->txretry[index] = 0; /* @@ -1046,17 +987,17 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb, /* either retransmit or send bar if ack not recd */ if (!ack_recd) { if (retry && (ini->txretry[index] < (int)retry_limit)) { + int ret; ini->txretry[index]++; - ini->tx_in_transit--; + ret = brcms_c_txfifo(wlc, queue, p); /* - * Use high prededence for retransmit to - * give some punch + * We shouldn't be out of space in the DMA + * ring here since we're reinserting a frame + * that was just pulled out. */ - brcms_c_txq_enq(wlc, scb, p, - BRCMS_PRIO_TO_HI_PREC(tid)); + WARN_ONCE(ret, "queue %d out of txds\n", queue); } else { /* Retry timeout */ - ini->tx_in_transit--; ieee80211_tx_info_clear_status(tx_info); tx_info->status.ampdu_ack_len = 0; tx_info->status.ampdu_len = 1; @@ -1064,9 +1005,9 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb, IEEE80211_TX_STAT_AMPDU_NO_BACK; skb_pull(p, D11_PHY_HDR_LEN); skb_pull(p, D11_TXH_LEN); - BCMMSG(wiphy, - "BA Timeout, seq %d, in_transit %d\n", - seq, ini->tx_in_transit); + brcms_dbg_ht(wlc->hw->d11core, + "BA Timeout, seq %d\n", + seq); ieee80211_tx_status_irqsafe(wlc->pub->ieee_hw, p); } @@ -1080,12 +1021,9 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb, p = dma_getnexttxp(wlc->hw->di[queue], DMA_RANGE_TRANSMITTED); } - brcms_c_send_q(wlc); /* update rate state */ antselid = brcms_c_antsel_antsel2id(wlc->asi, mimoantsel); - - brcms_c_txfifo_complete(wlc, queue, ampdu->txpkt_weight); } void @@ -1133,6 +1071,8 @@ brcms_c_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb, while (p) { tx_info = IEEE80211_SKB_CB(p); txh = (struct d11txh *) p->data; + trace_brcms_txdesc(&wlc->hw->d11core->dev, txh, + sizeof(*txh)); mcl = le16_to_cpu(txh->MacTxControlLow); brcmu_pkt_buf_free_skb(p); /* break out if last packet of ampdu */ @@ -1142,7 +1082,6 @@ brcms_c_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb, p = dma_getnexttxp(wlc->hw->di[queue], DMA_RANGE_TRANSMITTED); } - brcms_c_txfifo_complete(wlc, queue, ampdu->txpkt_weight); } } @@ -1182,23 +1121,6 @@ void brcms_c_ampdu_shm_upd(struct ampdu_info *ampdu) } /* - * callback function that helps flushing ampdu packets from a priority queue - */ -static bool cb_del_ampdu_pkt(struct sk_buff *mpdu, void *arg_a) -{ - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(mpdu); - struct cb_del_ampdu_pars *ampdu_pars = - (struct cb_del_ampdu_pars *)arg_a; - bool rc; - - rc = tx_info->flags & IEEE80211_TX_CTL_AMPDU ? true : false; - rc = rc && (tx_info->rate_driver_data[0] == NULL || ampdu_pars->sta == NULL || - tx_info->rate_driver_data[0] == ampdu_pars->sta); - rc = rc && ((u8)(mpdu->priority) == ampdu_pars->tid); - return rc; -} - -/* * callback function that helps invalidating ampdu packets in a DMA queue */ static void dma_cb_fn_ampdu(void *txi, void *arg_a) @@ -1218,15 +1140,5 @@ static void dma_cb_fn_ampdu(void *txi, void *arg_a) void brcms_c_ampdu_flush(struct brcms_c_info *wlc, struct ieee80211_sta *sta, u16 tid) { - struct brcms_txq_info *qi = wlc->pkt_queue; - struct pktq *pq = &qi->q; - int prec; - struct cb_del_ampdu_pars ampdu_pars; - - ampdu_pars.sta = sta; - ampdu_pars.tid = tid; - for (prec = 0; prec < pq->num_prec; prec++) - brcmu_pktq_pflush(pq, prec, true, cb_del_ampdu_pkt, - (void *)&du_pars); brcms_c_inval_dma_pkts(wlc->hw, sta, dma_cb_fn_ampdu); } diff --git a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.h b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.h index 421f4ba7c63..03bdcf29bd5 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.h @@ -17,14 +17,37 @@ #ifndef _BRCM_AMPDU_H_ #define _BRCM_AMPDU_H_ -extern struct ampdu_info *brcms_c_ampdu_attach(struct brcms_c_info *wlc); -extern void brcms_c_ampdu_detach(struct ampdu_info *ampdu); -extern int brcms_c_sendampdu(struct ampdu_info *ampdu, - struct brcms_txq_info *qi, - struct sk_buff **aggp, int prec); -extern void brcms_c_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb, - struct sk_buff *p, struct tx_status *txs); -extern void brcms_c_ampdu_macaddr_upd(struct brcms_c_info *wlc); -extern void brcms_c_ampdu_shm_upd(struct ampdu_info *ampdu); +/* + * Data structure representing an in-progress session for accumulating + * frames for AMPDU. + * + * wlc: pointer to common driver data + * skb_list: queue of skb's for AMPDU + * max_ampdu_len: maximum length for this AMPDU + * max_ampdu_frames: maximum number of frames for this AMPDU + * ampdu_len: total number of bytes accumulated for this AMPDU + * dma_len: DMA length of this AMPDU + */ +struct brcms_ampdu_session { + struct brcms_c_info *wlc; + struct sk_buff_head skb_list; + unsigned max_ampdu_len; + u16 max_ampdu_frames; + u16 ampdu_len; + u16 dma_len; +}; + +void brcms_c_ampdu_reset_session(struct brcms_ampdu_session *session, + struct brcms_c_info *wlc); +int brcms_c_ampdu_add_frame(struct brcms_ampdu_session *session, + struct sk_buff *p); +void brcms_c_ampdu_finalize(struct brcms_ampdu_session *session); + +struct ampdu_info *brcms_c_ampdu_attach(struct brcms_c_info *wlc); +void brcms_c_ampdu_detach(struct ampdu_info *ampdu); +void brcms_c_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb, + struct sk_buff *p, struct tx_status *txs); +void brcms_c_ampdu_macaddr_upd(struct brcms_c_info *wlc); +void brcms_c_ampdu_shm_upd(struct ampdu_info *ampdu); #endif /* _BRCM_AMPDU_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/antsel.c b/drivers/net/wireless/brcm80211/brcmsmac/antsel.c index 55e12c32791..54c61691959 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/antsel.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/antsel.c @@ -21,6 +21,7 @@ #include "main.h" #include "phy_shim.h" #include "antsel.h" +#include "debug.h" #define ANT_SELCFG_AUTO 0x80 /* bit indicates antenna sel AUTO */ #define ANT_SELCFG_MASK 0x33 /* antenna configuration mask */ @@ -137,7 +138,8 @@ struct antsel_info *brcms_c_antsel_attach(struct brcms_c_info *wlc) asi->antsel_avail = false; } else { asi->antsel_avail = false; - wiphy_err(wlc->wiphy, "antsel_attach: 2o3 " + brcms_err(wlc->hw->d11core, + "antsel_attach: 2o3 " "board cfg invalid\n"); } diff --git a/drivers/net/wireless/brcm80211/brcmsmac/antsel.h b/drivers/net/wireless/brcm80211/brcmsmac/antsel.h index 97ea3881a8e..a3d487ab196 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/antsel.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/antsel.h @@ -17,13 +17,11 @@ #ifndef _BRCM_ANTSEL_H_ #define _BRCM_ANTSEL_H_ -extern struct antsel_info *brcms_c_antsel_attach(struct brcms_c_info *wlc); -extern void brcms_c_antsel_detach(struct antsel_info *asi); -extern void brcms_c_antsel_init(struct antsel_info *asi); -extern void brcms_c_antsel_antcfg_get(struct antsel_info *asi, bool usedef, - bool sel, - u8 id, u8 fbid, u8 *antcfg, - u8 *fbantcfg); -extern u8 brcms_c_antsel_antsel2id(struct antsel_info *asi, u16 antsel); +struct antsel_info *brcms_c_antsel_attach(struct brcms_c_info *wlc); +void brcms_c_antsel_detach(struct antsel_info *asi); +void brcms_c_antsel_init(struct antsel_info *asi); +void brcms_c_antsel_antcfg_get(struct antsel_info *asi, bool usedef, bool sel, + u8 id, u8 fbid, u8 *antcfg, u8 *fbantcfg); +u8 brcms_c_antsel_antsel2id(struct antsel_info *asi, u16 antsel); #endif /* _BRCM_ANTSEL_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h b/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h index 27dd73eef56..871781e6a71 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h @@ -14,22 +14,29 @@ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#undef TRACE_SYSTEM -#define TRACE_SYSTEM brcmsmac - #if !defined(__TRACE_BRCMSMAC_H) || defined(TRACE_HEADER_MULTI_READ) #define __TRACE_BRCMSMAC_H +#include <linux/types.h> +#include <linux/device.h> #include <linux/tracepoint.h> #include "mac80211_if.h" -#ifndef CONFIG_BRCMDBG +#ifndef CONFIG_BRCM_TRACING #undef TRACE_EVENT #define TRACE_EVENT(name, proto, ...) \ static inline void trace_ ## name(proto) {} +#undef DECLARE_EVENT_CLASS +#define DECLARE_EVENT_CLASS(...) +#undef DEFINE_EVENT +#define DEFINE_EVENT(evt_class, name, proto, ...) \ +static inline void trace_ ## name(proto) {} #endif +#undef TRACE_SYSTEM +#define TRACE_SYSTEM brcmsmac + /* * We define a tracepoint, its arguments, its printk format and its * 'fast binary record' layout. @@ -78,9 +85,165 @@ TRACE_EVENT(brcms_dpc, ) ); +TRACE_EVENT(brcms_macintstatus, + TP_PROTO(const struct device *dev, int in_isr, u32 macintstatus, + u32 mask), + TP_ARGS(dev, in_isr, macintstatus, mask), + TP_STRUCT__entry( + __string(dev, dev_name(dev)) + __field(int, in_isr) + __field(u32, macintstatus) + __field(u32, mask) + ), + TP_fast_assign( + __assign_str(dev, dev_name(dev)); + __entry->in_isr = in_isr; + __entry->macintstatus = macintstatus; + __entry->mask = mask; + ), + TP_printk("[%s] in_isr=%d macintstatus=%#x mask=%#x", __get_str(dev), + __entry->in_isr, __entry->macintstatus, __entry->mask) +); + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM brcmsmac_tx + +TRACE_EVENT(brcms_txdesc, + TP_PROTO(const struct device *dev, + void *txh, size_t txh_len), + TP_ARGS(dev, txh, txh_len), + TP_STRUCT__entry( + __string(dev, dev_name(dev)) + __dynamic_array(u8, txh, txh_len) + ), + TP_fast_assign( + __assign_str(dev, dev_name(dev)); + memcpy(__get_dynamic_array(txh), txh, txh_len); + ), + TP_printk("[%s] txdesc", __get_str(dev)) +); + +TRACE_EVENT(brcms_txstatus, + TP_PROTO(const struct device *dev, u16 framelen, u16 frameid, + u16 status, u16 lasttxtime, u16 sequence, u16 phyerr, + u16 ackphyrxsh), + TP_ARGS(dev, framelen, frameid, status, lasttxtime, sequence, phyerr, + ackphyrxsh), + TP_STRUCT__entry( + __string(dev, dev_name(dev)) + __field(u16, framelen) + __field(u16, frameid) + __field(u16, status) + __field(u16, lasttxtime) + __field(u16, sequence) + __field(u16, phyerr) + __field(u16, ackphyrxsh) + ), + TP_fast_assign( + __assign_str(dev, dev_name(dev)); + __entry->framelen = framelen; + __entry->frameid = frameid; + __entry->status = status; + __entry->lasttxtime = lasttxtime; + __entry->sequence = sequence; + __entry->phyerr = phyerr; + __entry->ackphyrxsh = ackphyrxsh; + ), + TP_printk("[%s] FrameId %#04x TxStatus %#04x LastTxTime %#04x " + "Seq %#04x PHYTxStatus %#04x RxAck %#04x", + __get_str(dev), __entry->frameid, __entry->status, + __entry->lasttxtime, __entry->sequence, __entry->phyerr, + __entry->ackphyrxsh) +); + +TRACE_EVENT(brcms_ampdu_session, + TP_PROTO(const struct device *dev, unsigned max_ampdu_len, + u16 max_ampdu_frames, u16 ampdu_len, u16 ampdu_frames, + u16 dma_len), + TP_ARGS(dev, max_ampdu_len, max_ampdu_frames, ampdu_len, ampdu_frames, + dma_len), + TP_STRUCT__entry( + __string(dev, dev_name(dev)) + __field(unsigned, max_ampdu_len) + __field(u16, max_ampdu_frames) + __field(u16, ampdu_len) + __field(u16, ampdu_frames) + __field(u16, dma_len) + ), + TP_fast_assign( + __assign_str(dev, dev_name(dev)); + __entry->max_ampdu_len = max_ampdu_len; + __entry->max_ampdu_frames = max_ampdu_frames; + __entry->ampdu_len = ampdu_len; + __entry->ampdu_frames = ampdu_frames; + __entry->dma_len = dma_len; + ), + TP_printk("[%s] ampdu session max_len=%u max_frames=%u len=%u frames=%u dma_len=%u", + __get_str(dev), __entry->max_ampdu_len, + __entry->max_ampdu_frames, __entry->ampdu_len, + __entry->ampdu_frames, __entry->dma_len) +); + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM brcmsmac_msg + +#define MAX_MSG_LEN 100 + +DECLARE_EVENT_CLASS(brcms_msg_event, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf), + TP_STRUCT__entry( + __dynamic_array(char, msg, MAX_MSG_LEN) + ), + TP_fast_assign( + WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), + MAX_MSG_LEN, vaf->fmt, + *vaf->va) >= MAX_MSG_LEN); + ), + TP_printk("%s", __get_str(msg)) +); + +DEFINE_EVENT(brcms_msg_event, brcms_info, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +DEFINE_EVENT(brcms_msg_event, brcms_warn, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +DEFINE_EVENT(brcms_msg_event, brcms_err, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +DEFINE_EVENT(brcms_msg_event, brcms_crit, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +TRACE_EVENT(brcms_dbg, + TP_PROTO(u32 level, const char *func, struct va_format *vaf), + TP_ARGS(level, func, vaf), + TP_STRUCT__entry( + __field(u32, level) + __string(func, func) + __dynamic_array(char, msg, MAX_MSG_LEN) + ), + TP_fast_assign( + __entry->level = level; + __assign_str(func, func); + WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), + MAX_MSG_LEN, vaf->fmt, + *vaf->va) >= MAX_MSG_LEN); + ), + TP_printk("%s: %s", __get_str(func), __get_str(msg)) +); + #endif /* __TRACE_BRCMSMAC_H */ -#ifdef CONFIG_BRCMDBG +#ifdef CONFIG_BRCM_TRACING #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . @@ -89,4 +252,4 @@ TRACE_EVENT(brcms_dpc, #include <trace/define_trace.h> -#endif /* CONFIG_BRCMDBG */ +#endif /* CONFIG_BRCM_TRACING */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/channel.c b/drivers/net/wireless/brcm80211/brcmsmac/channel.c index 64a48f06d68..635ae034c7e 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/channel.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/channel.c @@ -26,6 +26,7 @@ #include "stf.h" #include "channel.h" #include "mac80211_if.h" +#include "debug.h" /* QDB() macro takes a dB value and converts to a quarter dB value */ #define QDB(n) ((n) * BRCMS_TXPWR_DB_FACTOR) @@ -58,23 +59,18 @@ #define BRCM_2GHZ_2412_2462 REG_RULE(2412-10, 2462+10, 40, 0, 19, 0) #define BRCM_2GHZ_2467_2472 REG_RULE(2467-10, 2472+10, 20, 0, 19, \ - NL80211_RRF_PASSIVE_SCAN | \ - NL80211_RRF_NO_IBSS) + NL80211_RRF_NO_IR) #define BRCM_5GHZ_5180_5240 REG_RULE(5180-10, 5240+10, 40, 0, 21, \ - NL80211_RRF_PASSIVE_SCAN | \ - NL80211_RRF_NO_IBSS) + NL80211_RRF_NO_IR) #define BRCM_5GHZ_5260_5320 REG_RULE(5260-10, 5320+10, 40, 0, 21, \ - NL80211_RRF_PASSIVE_SCAN | \ NL80211_RRF_DFS | \ - NL80211_RRF_NO_IBSS) + NL80211_RRF_NO_IR) #define BRCM_5GHZ_5500_5700 REG_RULE(5500-10, 5700+10, 40, 0, 21, \ - NL80211_RRF_PASSIVE_SCAN | \ NL80211_RRF_DFS | \ - NL80211_RRF_NO_IBSS) + NL80211_RRF_NO_IR) #define BRCM_5GHZ_5745_5825 REG_RULE(5745-10, 5825+10, 40, 0, 21, \ - NL80211_RRF_PASSIVE_SCAN | \ - NL80211_RRF_NO_IBSS) + NL80211_RRF_NO_IR) static const struct ieee80211_regdomain brcms_regdom_x2 = { .n_reg_rules = 6, @@ -182,8 +178,7 @@ static bool brcms_c_country_valid(const char *ccode) * chars. */ if (!((0x80 & ccode[0]) == 0 && ccode[0] >= 0x41 && ccode[0] <= 0x5A && - (0x80 & ccode[1]) == 0 && ccode[1] >= 0x41 && ccode[1] <= 0x5A && - ccode[2] == '\0')) + (0x80 & ccode[1]) == 0 && ccode[1] >= 0x41 && ccode[1] <= 0x5A)) return false; /* @@ -336,8 +331,6 @@ struct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc) const char *ccode = sprom->alpha2; int ccode_len = sizeof(sprom->alpha2); - BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); - wlc_cm = kzalloc(sizeof(struct brcms_cm_info), GFP_ATOMIC); if (wlc_cm == NULL) return NULL; @@ -381,7 +374,7 @@ brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec, u8 local_constraint_qdbm) { struct brcms_c_info *wlc = wlc_cm->wlc; - struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; + struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.chandef.chan; struct txpwr_limits txpwr; brcms_c_channel_reg_limits(wlc_cm, chanspec, &txpwr); @@ -397,7 +390,7 @@ brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec, brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false); brcms_b_set_chanspec(wlc->hw, chanspec, - !!(ch->flags & IEEE80211_CHAN_PASSIVE_SCAN), + !!(ch->flags & IEEE80211_CHAN_NO_IR), &txpwr); } @@ -406,7 +399,7 @@ brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec, struct txpwr_limits *txpwr) { struct brcms_c_info *wlc = wlc_cm->wlc; - struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; + struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.chandef.chan; uint i; uint chan; int maxpwr; @@ -615,8 +608,8 @@ brcms_c_valid_chanspec_ext(struct brcms_cm_info *wlc_cm, u16 chspec) /* check the chanspec */ if (brcms_c_chspec_malformed(chspec)) { - wiphy_err(wlc->wiphy, "wl%d: malformed chanspec 0x%x\n", - wlc->pub->unit, chspec); + brcms_err(wlc->hw->d11core, "wl%d: malformed chanspec 0x%x\n", + wlc->pub->unit, chspec); return false; } @@ -659,8 +652,8 @@ static void brcms_reg_apply_radar_flags(struct wiphy *wiphy) */ if (!(ch->flags & IEEE80211_CHAN_DISABLED)) ch->flags |= IEEE80211_CHAN_RADAR | - IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN; + IEEE80211_CHAN_NO_IR | + IEEE80211_CHAN_NO_IR; } } @@ -671,7 +664,7 @@ brcms_reg_apply_beaconing_flags(struct wiphy *wiphy, struct ieee80211_supported_band *sband; struct ieee80211_channel *ch; const struct ieee80211_reg_rule *rule; - int band, i, ret; + int band, i; for (band = 0; band < IEEE80211_NUM_BANDS; band++) { sband = wiphy->bands[band]; @@ -686,26 +679,22 @@ brcms_reg_apply_beaconing_flags(struct wiphy *wiphy, continue; if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) { - ret = freq_reg_info(wiphy, ch->center_freq, - 0, &rule); - if (ret) + rule = freq_reg_info(wiphy, + MHZ_TO_KHZ(ch->center_freq)); + if (IS_ERR(rule)) continue; - if (!(rule->flags & NL80211_RRF_NO_IBSS)) - ch->flags &= ~IEEE80211_CHAN_NO_IBSS; - if (!(rule->flags & NL80211_RRF_PASSIVE_SCAN)) - ch->flags &= - ~IEEE80211_CHAN_PASSIVE_SCAN; + if (!(rule->flags & NL80211_RRF_NO_IR)) + ch->flags &= ~IEEE80211_CHAN_NO_IR; } else if (ch->beacon_found) { - ch->flags &= ~(IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN); + ch->flags &= ~IEEE80211_CHAN_NO_IR; } } } } -static int brcms_reg_notifier(struct wiphy *wiphy, - struct regulatory_request *request) +static void brcms_reg_notifier(struct wiphy *wiphy, + struct regulatory_request *request) { struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); struct brcms_info *wl = hw->priv; @@ -738,15 +727,14 @@ static int brcms_reg_notifier(struct wiphy *wiphy, mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE); } else { mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE); - wiphy_err(wlc->wiphy, "wl%d: %s: no valid channel for \"%s\"\n", + brcms_err(wlc->hw->d11core, + "wl%d: %s: no valid channel for \"%s\"\n", wlc->pub->unit, __func__, request->alpha2); } if (wlc->pub->_nbands > 1 || wlc->band->bandtype == BRCM_BAND_2G) wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi, brcms_c_japan_ccode(request->alpha2)); - - return 0; } void brcms_c_regd_init(struct brcms_c_info *wlc) @@ -779,8 +767,8 @@ void brcms_c_regd_init(struct brcms_c_info *wlc) } wlc->wiphy->reg_notifier = brcms_reg_notifier; - wlc->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | - WIPHY_FLAG_STRICT_REGULATORY; + wlc->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | + REGULATORY_STRICT_REG; wiphy_apply_custom_regulatory(wlc->wiphy, regd->regdomain); brcms_reg_apply_beaconing_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER); } diff --git a/drivers/net/wireless/brcm80211/brcmsmac/channel.h b/drivers/net/wireless/brcm80211/brcmsmac/channel.h index 006483a0abe..39dd3a5b297 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/channel.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/channel.h @@ -32,20 +32,16 @@ #define BRCMS_DFS_EU (BRCMS_DFS_TPC | BRCMS_RADAR_TYPE_EU) /* Flag for DFS EU */ -extern struct brcms_cm_info * -brcms_c_channel_mgr_attach(struct brcms_c_info *wlc); +struct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc); -extern void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm); +void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm); -extern bool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, - u16 chspec); +bool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, u16 chspec); -extern void brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, - u16 chanspec, - struct txpwr_limits *txpwr); -extern void brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, - u16 chanspec, - u8 local_constraint_qdbm); -extern void brcms_c_regd_init(struct brcms_c_info *wlc); +void brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec, + struct txpwr_limits *txpwr); +void brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec, + u8 local_constraint_qdbm); +void brcms_c_regd_init(struct brcms_c_info *wlc); #endif /* _WLC_CHANNEL_H */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/d11.h b/drivers/net/wireless/brcm80211/brcmsmac/d11.h index 3f659e09f1c..9035cc4d6ff 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/d11.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/d11.h @@ -457,6 +457,7 @@ struct d11regs { /*== maccontrol register ==*/ #define MCTL_GMODE (1U << 31) #define MCTL_DISCARD_PMQ (1 << 30) +#define MCTL_TBTTHOLD (1 << 28) #define MCTL_WAKE (1 << 26) #define MCTL_HPS (1 << 25) #define MCTL_PROMISC (1 << 24) diff --git a/drivers/net/wireless/brcm80211/brcmsmac/debug.c b/drivers/net/wireless/brcm80211/brcmsmac/debug.c new file mode 100644 index 00000000000..a5d4add26f4 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmsmac/debug.c @@ -0,0 +1,156 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * Copyright (c) 2012 Canonical Ltd. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <linux/debugfs.h> +#include <linux/if_ether.h> +#include <linux/if.h> +#include <linux/net.h> +#include <linux/netdevice.h> +#include <linux/ieee80211.h> +#include <linux/module.h> +#include <net/mac80211.h> + +#include <defs.h> +#include <brcmu_wifi.h> +#include <brcmu_utils.h> +#include "types.h" +#include "main.h" +#include "debug.h" +#include "brcms_trace_events.h" + +static struct dentry *root_folder; + +void brcms_debugfs_init(void) +{ + root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL); + if (IS_ERR(root_folder)) + root_folder = NULL; +} + +void brcms_debugfs_exit(void) +{ + if (!root_folder) + return; + + debugfs_remove_recursive(root_folder); + root_folder = NULL; +} + +int brcms_debugfs_attach(struct brcms_pub *drvr) +{ + if (!root_folder) + return -ENODEV; + + drvr->dbgfs_dir = debugfs_create_dir( + dev_name(&drvr->wlc->hw->d11core->dev), root_folder); + return PTR_ERR_OR_ZERO(drvr->dbgfs_dir); +} + +void brcms_debugfs_detach(struct brcms_pub *drvr) +{ + if (!IS_ERR_OR_NULL(drvr->dbgfs_dir)) + debugfs_remove_recursive(drvr->dbgfs_dir); +} + +struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr) +{ + return drvr->dbgfs_dir; +} + +static +ssize_t brcms_debugfs_hardware_read(struct file *f, char __user *data, + size_t count, loff_t *ppos) +{ + char buf[128]; + int res; + struct brcms_pub *drvr = f->private_data; + + /* only allow read from start */ + if (*ppos > 0) + return 0; + + res = scnprintf(buf, sizeof(buf), + "board vendor: %x\n" + "board type: %x\n" + "board revision: %x\n" + "board flags: %x\n" + "board flags2: %x\n" + "firmware revision: %x\n", + drvr->wlc->hw->d11core->bus->boardinfo.vendor, + drvr->wlc->hw->d11core->bus->boardinfo.type, + drvr->wlc->hw->boardrev, + drvr->wlc->hw->boardflags, + drvr->wlc->hw->boardflags2, + drvr->wlc->ucode_rev + ); + + return simple_read_from_buffer(data, count, ppos, buf, res); +} + +static const struct file_operations brcms_debugfs_hardware_ops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = brcms_debugfs_hardware_read +}; + +void brcms_debugfs_create_files(struct brcms_pub *drvr) +{ + struct dentry *dentry = drvr->dbgfs_dir; + + if (!IS_ERR_OR_NULL(dentry)) + debugfs_create_file("hardware", S_IRUGO, dentry, + drvr, &brcms_debugfs_hardware_ops); +} + +#define __brcms_fn(fn) \ +void __brcms_ ##fn(struct device *dev, const char *fmt, ...) \ +{ \ + struct va_format vaf = { \ + .fmt = fmt, \ + }; \ + va_list args; \ + \ + va_start(args, fmt); \ + vaf.va = &args; \ + dev_ ##fn(dev, "%pV", &vaf); \ + trace_brcms_ ##fn(&vaf); \ + va_end(args); \ +} + +__brcms_fn(info) +__brcms_fn(warn) +__brcms_fn(err) +__brcms_fn(crit) + +#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING) +void __brcms_dbg(struct device *dev, u32 level, const char *func, + const char *fmt, ...) +{ + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + + va_start(args, fmt); + vaf.va = &args; +#ifdef CONFIG_BRCMDBG + if ((brcm_msg_level & level) && net_ratelimit()) + dev_err(dev, "%s %pV", func, &vaf); +#endif + trace_brcms_dbg(level, func, &vaf); + va_end(args); +} +#endif diff --git a/drivers/net/wireless/brcm80211/brcmsmac/debug.h b/drivers/net/wireless/brcm80211/brcmsmac/debug.h new file mode 100644 index 00000000000..822781cf15d --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmsmac/debug.h @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * Copyright (c) 2012 Canonical Ltd. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef _BRCMS_DEBUG_H_ +#define _BRCMS_DEBUG_H_ + +#include <linux/device.h> +#include <linux/bcma/bcma.h> +#include <net/cfg80211.h> +#include <net/mac80211.h> +#include "main.h" +#include "mac80211_if.h" + +__printf(2, 3) +void __brcms_info(struct device *dev, const char *fmt, ...); +__printf(2, 3) +void __brcms_warn(struct device *dev, const char *fmt, ...); +__printf(2, 3) +void __brcms_err(struct device *dev, const char *fmt, ...); +__printf(2, 3) +void __brcms_crit(struct device *dev, const char *fmt, ...); + +#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING) +__printf(4, 5) +void __brcms_dbg(struct device *dev, u32 level, const char *func, + const char *fmt, ...); +#else +static inline __printf(4, 5) +void __brcms_dbg(struct device *dev, u32 level, const char *func, + const char *fmt, ...) +{ +} +#endif + +/* + * Debug macros cannot be used when wlc is uninitialized. Generally + * this means any code that could run before brcms_c_attach() has + * returned successfully probably shouldn't use the following macros. + */ + +#define brcms_dbg(core, l, f, a...) __brcms_dbg(&(core)->dev, l, __func__, f, ##a) +#define brcms_info(core, f, a...) __brcms_info(&(core)->dev, f, ##a) +#define brcms_warn(core, f, a...) __brcms_warn(&(core)->dev, f, ##a) +#define brcms_err(core, f, a...) __brcms_err(&(core)->dev, f, ##a) +#define brcms_crit(core, f, a...) __brcms_crit(&(core)->dev, f, ##a) + +#define brcms_dbg_info(core, f, a...) brcms_dbg(core, BRCM_DL_INFO, f, ##a) +#define brcms_dbg_mac80211(core, f, a...) brcms_dbg(core, BRCM_DL_MAC80211, f, ##a) +#define brcms_dbg_rx(core, f, a...) brcms_dbg(core, BRCM_DL_RX, f, ##a) +#define brcms_dbg_tx(core, f, a...) brcms_dbg(core, BRCM_DL_TX, f, ##a) +#define brcms_dbg_int(core, f, a...) brcms_dbg(core, BRCM_DL_INT, f, ##a) +#define brcms_dbg_dma(core, f, a...) brcms_dbg(core, BRCM_DL_DMA, f, ##a) +#define brcms_dbg_ht(core, f, a...) brcms_dbg(core, BRCM_DL_HT, f, ##a) + +struct brcms_pub; +void brcms_debugfs_init(void); +void brcms_debugfs_exit(void); +int brcms_debugfs_attach(struct brcms_pub *drvr); +void brcms_debugfs_detach(struct brcms_pub *drvr); +struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr); +void brcms_debugfs_create_files(struct brcms_pub *drvr); + +#endif /* _BRCMS_DEBUG_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/brcm80211/brcmsmac/dma.c index 5e53305bd9a..4fb9635d391 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c @@ -14,17 +14,22 @@ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/slab.h> #include <linux/delay.h> #include <linux/pci.h> +#include <net/cfg80211.h> +#include <net/mac80211.h> #include <brcmu_utils.h> #include <aiutils.h> #include "types.h" +#include "main.h" #include "dma.h" #include "soc.h" +#include "scb.h" +#include "ampdu.h" +#include "debug.h" +#include "brcms_trace_events.h" /* * dma register field offset calculation @@ -176,28 +181,6 @@ #define BCMEXTRAHDROOM 172 -/* debug/trace */ -#ifdef DEBUG -#define DMA_ERROR(fmt, ...) \ -do { \ - if (*di->msg_level & 1) \ - pr_debug("%s: " fmt, __func__, ##__VA_ARGS__); \ -} while (0) -#define DMA_TRACE(fmt, ...) \ -do { \ - if (*di->msg_level & 2) \ - pr_debug("%s: " fmt, __func__, ##__VA_ARGS__); \ -} while (0) -#else -#define DMA_ERROR(fmt, ...) \ - no_printk(fmt, ##__VA_ARGS__) -#define DMA_TRACE(fmt, ...) \ - no_printk(fmt, ##__VA_ARGS__) -#endif /* DEBUG */ - -#define DMA_NONE(fmt, ...) \ - no_printk(fmt, ##__VA_ARGS__) - #define MAXNAMEL 8 /* 8 char names */ /* macros to convert between byte offsets and indexes */ @@ -224,12 +207,14 @@ struct dma64desc { /* dma engine software state */ struct dma_info { struct dma_pub dma; /* exported structure */ - uint *msg_level; /* message level pointer */ char name[MAXNAMEL]; /* callers name for diag msgs */ struct bcma_device *core; struct device *dmadev; + /* session information for AMPDU */ + struct brcms_ampdu_session ampdu_session; + bool dma64; /* this dma engine is operating in 64-bit mode */ bool addrext; /* this dma engine supports DmaExtendedAddrChanges */ @@ -298,12 +283,6 @@ struct dma_info { bool aligndesc_4k; }; -/* - * default dma message level (if input msg_level - * pointer is null in dma_attach()) - */ -static uint dma_msg_level; - /* Check for odd number of 1's */ static u32 parity32(__le32 data) { @@ -353,7 +332,7 @@ static uint prevtxd(struct dma_info *di, uint i) static uint nextrxd(struct dma_info *di, uint i) { - return txd(di, i + 1); + return rxd(di, i + 1); } static uint ntxdactive(struct dma_info *di, uint h, uint t) @@ -370,10 +349,8 @@ static uint _dma_ctrlflags(struct dma_info *di, uint mask, uint flags) { uint dmactrlflags; - if (di == NULL) { - DMA_ERROR("NULL dma handle\n"); + if (di == NULL) return 0; - } dmactrlflags = di->dma.dmactrlflags; dmactrlflags &= ~mask; @@ -423,13 +400,15 @@ static bool _dma_isaddrext(struct dma_info *di) /* not all tx or rx channel are available */ if (di->d64txregbase != 0) { if (!_dma64_addrext(di, DMA64TXREGOFFS(di, control))) - DMA_ERROR("%s: DMA64 tx doesn't have AE set\n", - di->name); + brcms_dbg_dma(di->core, + "%s: DMA64 tx doesn't have AE set\n", + di->name); return true; } else if (di->d64rxregbase != 0) { if (!_dma64_addrext(di, DMA64RXREGOFFS(di, control))) - DMA_ERROR("%s: DMA64 rx doesn't have AE set\n", - di->name); + brcms_dbg_dma(di->core, + "%s: DMA64 rx doesn't have AE set\n", + di->name); return true; } @@ -530,8 +509,9 @@ static bool dma64_alloc(struct dma_info *di, uint direction) va = dma_ringalloc(di, D64RINGALIGN, size, &align_bits, &alloced, &di->txdpaorig); if (va == NULL) { - DMA_ERROR("%s: DMA_ALLOC_CONSISTENT(ntxd) failed\n", - di->name); + brcms_dbg_dma(di->core, + "%s: DMA_ALLOC_CONSISTENT(ntxd) failed\n", + di->name); return false; } align = (1 << align_bits); @@ -544,8 +524,9 @@ static bool dma64_alloc(struct dma_info *di, uint direction) va = dma_ringalloc(di, D64RINGALIGN, size, &align_bits, &alloced, &di->rxdpaorig); if (va == NULL) { - DMA_ERROR("%s: DMA_ALLOC_CONSISTENT(nrxd) failed\n", - di->name); + brcms_dbg_dma(di->core, + "%s: DMA_ALLOC_CONSISTENT(nrxd) failed\n", + di->name); return false; } align = (1 << align_bits); @@ -564,12 +545,13 @@ static bool _dma_alloc(struct dma_info *di, uint direction) return dma64_alloc(di, direction); } -struct dma_pub *dma_attach(char *name, struct si_pub *sih, - struct bcma_device *core, +struct dma_pub *dma_attach(char *name, struct brcms_c_info *wlc, uint txregbase, uint rxregbase, uint ntxd, uint nrxd, uint rxbufsize, int rxextheadroom, - uint nrxpost, uint rxoffset, uint *msg_level) + uint nrxpost, uint rxoffset) { + struct si_pub *sih = wlc->hw->sih; + struct bcma_device *core = wlc->hw->d11core; struct dma_info *di; u8 rev = core->id.rev; uint size; @@ -580,9 +562,6 @@ struct dma_pub *dma_attach(char *name, struct si_pub *sih, if (di == NULL) return NULL; - di->msg_level = msg_level ? msg_level : &dma_msg_level; - - di->dma64 = ((bcma_aread32(core, BCMA_IOST) & SISF_DMA64) == SISF_DMA64); @@ -598,11 +577,11 @@ struct dma_pub *dma_attach(char *name, struct si_pub *sih, */ _dma_ctrlflags(di, DMA_CTRL_ROC | DMA_CTRL_PEN, 0); - DMA_TRACE("%s: %s flags 0x%x ntxd %d nrxd %d " - "rxbufsize %d rxextheadroom %d nrxpost %d rxoffset %d " - "txregbase %u rxregbase %u\n", name, "DMA64", - di->dma.dmactrlflags, ntxd, nrxd, rxbufsize, - rxextheadroom, nrxpost, rxoffset, txregbase, rxregbase); + brcms_dbg_dma(di->core, "%s: %s flags 0x%x ntxd %d nrxd %d " + "rxbufsize %d rxextheadroom %d nrxpost %d rxoffset %d " + "txregbase %u rxregbase %u\n", name, "DMA64", + di->dma.dmactrlflags, ntxd, nrxd, rxbufsize, + rxextheadroom, nrxpost, rxoffset, txregbase, rxregbase); /* make a private copy of our callers name */ strncpy(di->name, name, MAXNAMEL); @@ -664,8 +643,8 @@ struct dma_pub *dma_attach(char *name, struct si_pub *sih, di->dmadesc_align = 4; /* 16 byte alignment */ } - DMA_NONE("DMA descriptor align_needed %d, align %d\n", - di->aligndesc_4k, di->dmadesc_align); + brcms_dbg_dma(di->core, "DMA descriptor align_needed %d, align %d\n", + di->aligndesc_4k, di->dmadesc_align); /* allocate tx packet pointer vector */ if (ntxd) { @@ -703,21 +682,27 @@ struct dma_pub *dma_attach(char *name, struct si_pub *sih, if ((di->ddoffsetlow != 0) && !di->addrext) { if (di->txdpa > SI_PCI_DMA_SZ) { - DMA_ERROR("%s: txdpa 0x%x: addrext not supported\n", - di->name, (u32)di->txdpa); + brcms_dbg_dma(di->core, + "%s: txdpa 0x%x: addrext not supported\n", + di->name, (u32)di->txdpa); goto fail; } if (di->rxdpa > SI_PCI_DMA_SZ) { - DMA_ERROR("%s: rxdpa 0x%x: addrext not supported\n", - di->name, (u32)di->rxdpa); + brcms_dbg_dma(di->core, + "%s: rxdpa 0x%x: addrext not supported\n", + di->name, (u32)di->rxdpa); goto fail; } } - DMA_TRACE("ddoffsetlow 0x%x ddoffsethigh 0x%x dataoffsetlow 0x%x dataoffsethigh 0x%x addrext %d\n", - di->ddoffsetlow, di->ddoffsethigh, - di->dataoffsetlow, di->dataoffsethigh, - di->addrext); + /* Initialize AMPDU session */ + brcms_c_ampdu_reset_session(&di->ampdu_session, wlc); + + brcms_dbg_dma(di->core, + "ddoffsetlow 0x%x ddoffsethigh 0x%x dataoffsetlow 0x%x dataoffsethigh 0x%x addrext %d\n", + di->ddoffsetlow, di->ddoffsethigh, + di->dataoffsetlow, di->dataoffsethigh, + di->addrext); return (struct dma_pub *) di; @@ -763,7 +748,7 @@ void dma_detach(struct dma_pub *pub) { struct dma_info *di = (struct dma_info *)pub; - DMA_TRACE("%s:\n", di->name); + brcms_dbg_dma(di->core, "%s:\n", di->name); /* free dma descriptor rings */ if (di->txd64) @@ -839,7 +824,7 @@ static void _dma_rxenable(struct dma_info *di) uint dmactrlflags = di->dma.dmactrlflags; u32 control; - DMA_TRACE("%s:\n", di->name); + brcms_dbg_dma(di->core, "%s:\n", di->name); control = D64_RC_RE | (bcma_read32(di->core, DMA64RXREGOFFS(di, control)) & @@ -859,7 +844,7 @@ void dma_rxinit(struct dma_pub *pub) { struct dma_info *di = (struct dma_info *)pub; - DMA_TRACE("%s:\n", di->name); + brcms_dbg_dma(di->core, "%s:\n", di->name); if (di->nrxd == 0) return; @@ -954,7 +939,7 @@ int dma_rx(struct dma_pub *pub, struct sk_buff_head *skb_list) return 0; len = le16_to_cpu(*(__le16 *) (p->data)); - DMA_TRACE("%s: dma_rx len %d\n", di->name, len); + brcms_dbg_dma(di->core, "%s: dma_rx len %d\n", di->name, len); dma_spin_for_len(len, p); /* set actual length */ @@ -981,14 +966,15 @@ int dma_rx(struct dma_pub *pub, struct sk_buff_head *skb_list) DMA64RXREGOFFS(di, status0)) & D64_RS0_CD_MASK) - di->rcvptrbase) & D64_RS0_CD_MASK, struct dma64desc); - DMA_ERROR("rxin %d rxout %d, hw_curr %d\n", - di->rxin, di->rxout, cur); + brcms_dbg_dma(di->core, + "rxin %d rxout %d, hw_curr %d\n", + di->rxin, di->rxout, cur); } #endif /* DEBUG */ if ((di->dma.dmactrlflags & DMA_CTRL_RXMULTI) == 0) { - DMA_ERROR("%s: bad frame length (%d)\n", - di->name, len); + brcms_dbg_dma(di->core, "%s: bad frame length (%d)\n", + di->name, len); skb_queue_walk_safe(&dma_frames, p, next) { skb_unlink(p, &dma_frames); brcmu_pkt_buf_free_skb(p); @@ -1005,7 +991,7 @@ int dma_rx(struct dma_pub *pub, struct sk_buff_head *skb_list) static bool dma64_rxidle(struct dma_info *di) { - DMA_TRACE("%s:\n", di->name); + brcms_dbg_dma(di->core, "%s:\n", di->name); if (di->nrxd == 0) return true; @@ -1016,11 +1002,23 @@ static bool dma64_rxidle(struct dma_info *di) D64_RS0_CD_MASK)); } +static bool dma64_txidle(struct dma_info *di) +{ + if (di->ntxd == 0) + return true; + + return ((bcma_read32(di->core, + DMA64TXREGOFFS(di, status0)) & D64_XS0_CD_MASK) == + (bcma_read32(di->core, DMA64TXREGOFFS(di, ptr)) & + D64_XS0_CD_MASK)); +} + /* * post receive buffers - * return false is refill failed completely and ring is empty this will stall - * the rx dma and user might want to call rxfill again asap. This unlikely - * happens on memory-rich NIC, but often on memory-constrained dongle + * Return false if refill failed completely or dma mapping failed. The ring + * is empty, which will stall the rx dma and user might want to call rxfill + * again asap. This is unlikely to happen on a memory-rich NIC, but often on + * memory-constrained dongle. */ bool dma_rxfill(struct dma_pub *pub) { @@ -1047,7 +1045,7 @@ bool dma_rxfill(struct dma_pub *pub) n = di->nrxpost - nrxdactive(di, rxin, rxout); - DMA_TRACE("%s: post %d\n", di->name, n); + brcms_dbg_dma(di->core, "%s: post %d\n", di->name, n); if (di->rxbufsize > BCMEXTRAHDROOM) extra_offset = di->rxextrahdrroom; @@ -1060,9 +1058,11 @@ bool dma_rxfill(struct dma_pub *pub) p = brcmu_pkt_buf_get_skb(di->rxbufsize + extra_offset); if (p == NULL) { - DMA_ERROR("%s: out of rxbufs\n", di->name); + brcms_dbg_dma(di->core, "%s: out of rxbufs\n", + di->name); if (i == 0 && dma64_rxidle(di)) { - DMA_ERROR("%s: ring is empty !\n", di->name); + brcms_dbg_dma(di->core, "%s: ring is empty !\n", + di->name); ring_empty = true; } di->dma.rxnobuf++; @@ -1079,6 +1079,8 @@ bool dma_rxfill(struct dma_pub *pub) pa = dma_map_single(di->dmadev, p->data, di->rxbufsize, DMA_FROM_DEVICE); + if (dma_mapping_error(di->dmadev, pa)) + return false; /* save the free packet pointer */ di->rxp[rxout] = p; @@ -1107,7 +1109,7 @@ void dma_rxreclaim(struct dma_pub *pub) struct dma_info *di = (struct dma_info *)pub; struct sk_buff *p; - DMA_TRACE("%s:\n", di->name); + brcms_dbg_dma(di->core, "%s:\n", di->name); while ((p = _dma_getnextrxp(di, true))) brcmu_pkt_buf_free_skb(p); @@ -1138,7 +1140,7 @@ void dma_txinit(struct dma_pub *pub) struct dma_info *di = (struct dma_info *)pub; u32 control = D64_XC_XE; - DMA_TRACE("%s:\n", di->name); + brcms_dbg_dma(di->core, "%s:\n", di->name); if (di->ntxd == 0) return; @@ -1170,7 +1172,7 @@ void dma_txsuspend(struct dma_pub *pub) { struct dma_info *di = (struct dma_info *)pub; - DMA_TRACE("%s:\n", di->name); + brcms_dbg_dma(di->core, "%s:\n", di->name); if (di->ntxd == 0) return; @@ -1182,7 +1184,7 @@ void dma_txresume(struct dma_pub *pub) { struct dma_info *di = (struct dma_info *)pub; - DMA_TRACE("%s:\n", di->name); + brcms_dbg_dma(di->core, "%s:\n", di->name); if (di->ntxd == 0) return; @@ -1205,11 +1207,11 @@ void dma_txreclaim(struct dma_pub *pub, enum txd_range range) struct dma_info *di = (struct dma_info *)pub; struct sk_buff *p; - DMA_TRACE("%s: %s\n", - di->name, - range == DMA_RANGE_ALL ? "all" : - range == DMA_RANGE_TRANSMITTED ? "transmitted" : - "transferred"); + brcms_dbg_dma(di->core, "%s: %s\n", + di->name, + range == DMA_RANGE_ALL ? "all" : + range == DMA_RANGE_TRANSMITTED ? "transmitted" : + "transferred"); if (di->txin == di->txout) return; @@ -1264,42 +1266,32 @@ bool dma_rxreset(struct dma_pub *pub) return status == D64_RS0_RS_DISABLED; } -/* - * !! tx entry routine - * WARNING: call must check the return value for error. - * the error(toss frames) could be fatal and cause many subsequent hard - * to debug problems - */ -int dma_txfast(struct dma_pub *pub, struct sk_buff *p, bool commit) +static void dma_txenq(struct dma_info *di, struct sk_buff *p) { - struct dma_info *di = (struct dma_info *)pub; unsigned char *data; uint len; u16 txout; u32 flags = 0; dma_addr_t pa; - DMA_TRACE("%s:\n", di->name); - txout = di->txout; + if (WARN_ON(nexttxd(di, txout) == di->txin)) + return; + /* * obtain and initialize transmit descriptor entry. */ data = p->data; len = p->len; - /* no use to transmit a zero length packet */ - if (len == 0) - return 0; - - /* return nonzero if out of tx descriptors */ - if (nexttxd(di, txout) == di->txin) - goto outoftxd; - /* get physical address of buffer start */ pa = dma_map_single(di->dmadev, data, len, DMA_TO_DEVICE); - + /* if mapping failed, free skb */ + if (dma_mapping_error(di->dmadev, pa)) { + brcmu_pkt_buf_free_skb(p); + return; + } /* With a DMA segment list, Descriptor table is filled * using the segment list instead of looping over * buffers in multi-chain DMA. Therefore, EOF for SGLIST @@ -1318,23 +1310,147 @@ int dma_txfast(struct dma_pub *pub, struct sk_buff *p, bool commit) /* bump the tx descriptor index */ di->txout = txout; +} - /* kick the chip */ - if (commit) - bcma_write32(di->core, DMA64TXREGOFFS(di, ptr), - di->xmtptrbase + I2B(txout, struct dma64desc)); +static void ampdu_finalize(struct dma_info *di) +{ + struct brcms_ampdu_session *session = &di->ampdu_session; + struct sk_buff *p; + + trace_brcms_ampdu_session(&session->wlc->hw->d11core->dev, + session->max_ampdu_len, + session->max_ampdu_frames, + session->ampdu_len, + skb_queue_len(&session->skb_list), + session->dma_len); + + if (WARN_ON(skb_queue_empty(&session->skb_list))) + return; + + brcms_c_ampdu_finalize(session); + + while (!skb_queue_empty(&session->skb_list)) { + p = skb_dequeue(&session->skb_list); + dma_txenq(di, p); + } + + bcma_write32(di->core, DMA64TXREGOFFS(di, ptr), + di->xmtptrbase + I2B(di->txout, struct dma64desc)); + brcms_c_ampdu_reset_session(session, session->wlc); +} + +static void prep_ampdu_frame(struct dma_info *di, struct sk_buff *p) +{ + struct brcms_ampdu_session *session = &di->ampdu_session; + int ret; + + ret = brcms_c_ampdu_add_frame(session, p); + if (ret == -ENOSPC) { + /* + * AMPDU cannot accomodate this frame. Close out the in- + * progress AMPDU session and start a new one. + */ + ampdu_finalize(di); + ret = brcms_c_ampdu_add_frame(session, p); + } + + WARN_ON(ret); +} + +/* Update count of available tx descriptors based on current DMA state */ +static void dma_update_txavail(struct dma_info *di) +{ + /* + * Available space is number of descriptors less the number of + * active descriptors and the number of queued AMPDU frames. + */ + di->dma.txavail = di->ntxd - ntxdactive(di, di->txin, di->txout) - + skb_queue_len(&di->ampdu_session.skb_list) - 1; +} + +/* + * !! tx entry routine + * WARNING: call must check the return value for error. + * the error(toss frames) could be fatal and cause many subsequent hard + * to debug problems + */ +int dma_txfast(struct brcms_c_info *wlc, struct dma_pub *pub, + struct sk_buff *p) +{ + struct dma_info *di = (struct dma_info *)pub; + struct brcms_ampdu_session *session = &di->ampdu_session; + struct ieee80211_tx_info *tx_info; + bool is_ampdu; + + /* no use to transmit a zero length packet */ + if (p->len == 0) + return 0; + + /* return nonzero if out of tx descriptors */ + if (di->dma.txavail == 0 || nexttxd(di, di->txout) == di->txin) + goto outoftxd; + + tx_info = IEEE80211_SKB_CB(p); + is_ampdu = tx_info->flags & IEEE80211_TX_CTL_AMPDU; + if (is_ampdu) + prep_ampdu_frame(di, p); + else + dma_txenq(di, p); /* tx flow control */ - di->dma.txavail = di->ntxd - ntxdactive(di, di->txin, di->txout) - 1; + dma_update_txavail(di); + + /* kick the chip */ + if (is_ampdu) { + /* + * Start sending data if we've got a full AMPDU, there's + * no more space in the DMA ring, or the ring isn't + * currently transmitting. + */ + if (skb_queue_len(&session->skb_list) == session->max_ampdu_frames || + di->dma.txavail == 0 || dma64_txidle(di)) + ampdu_finalize(di); + } else { + bcma_write32(di->core, DMA64TXREGOFFS(di, ptr), + di->xmtptrbase + I2B(di->txout, struct dma64desc)); + } return 0; outoftxd: - DMA_ERROR("%s: out of txds !!!\n", di->name); + brcms_dbg_dma(di->core, "%s: out of txds !!!\n", di->name); brcmu_pkt_buf_free_skb(p); di->dma.txavail = 0; di->dma.txnobuf++; - return -1; + return -ENOSPC; +} + +void dma_txflush(struct dma_pub *pub) +{ + struct dma_info *di = (struct dma_info *)pub; + struct brcms_ampdu_session *session = &di->ampdu_session; + + if (!skb_queue_empty(&session->skb_list)) + ampdu_finalize(di); +} + +int dma_txpending(struct dma_pub *pub) +{ + struct dma_info *di = (struct dma_info *)pub; + return ntxdactive(di, di->txin, di->txout); +} + +/* + * If we have an active AMPDU session and are not transmitting, + * this function will force tx to start. + */ +void dma_kick_tx(struct dma_pub *pub) +{ + struct dma_info *di = (struct dma_info *)pub; + struct brcms_ampdu_session *session = &di->ampdu_session; + + if (!skb_queue_empty(&session->skb_list) && dma64_txidle(di)) + ampdu_finalize(di); } /* @@ -1354,11 +1470,11 @@ struct sk_buff *dma_getnexttxp(struct dma_pub *pub, enum txd_range range) u16 active_desc; struct sk_buff *txp; - DMA_TRACE("%s: %s\n", - di->name, - range == DMA_RANGE_ALL ? "all" : - range == DMA_RANGE_TRANSMITTED ? "transmitted" : - "transferred"); + brcms_dbg_dma(di->core, "%s: %s\n", + di->name, + range == DMA_RANGE_ALL ? "all" : + range == DMA_RANGE_TRANSMITTED ? "transmitted" : + "transferred"); if (di->ntxd == 0) return NULL; @@ -1412,13 +1528,13 @@ struct sk_buff *dma_getnexttxp(struct dma_pub *pub, enum txd_range range) di->txin = i; /* tx flow control */ - di->dma.txavail = di->ntxd - ntxdactive(di, di->txin, di->txout) - 1; + dma_update_txavail(di); return txp; bogus: - DMA_NONE("bogus curr: start %d end %d txout %d\n", - start, end, di->txout); + brcms_dbg_dma(di->core, "bogus curr: start %d end %d txout %d\n", + start, end, di->txout); return NULL; } diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.h b/drivers/net/wireless/brcm80211/brcmsmac/dma.h index cc269ee5c49..ff5b80b0904 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/dma.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.h @@ -74,12 +74,11 @@ struct dma_pub { uint txnobuf; /* tx out of dma descriptors */ }; -extern struct dma_pub *dma_attach(char *name, struct si_pub *sih, - struct bcma_device *d11core, +extern struct dma_pub *dma_attach(char *name, struct brcms_c_info *wlc, uint txregbase, uint rxregbase, uint ntxd, uint nrxd, uint rxbufsize, int rxextheadroom, - uint nrxpost, uint rxoffset, uint *msg_level); + uint nrxpost, uint rxoffset); void dma_rxinit(struct dma_pub *pub); int dma_rx(struct dma_pub *pub, struct sk_buff_head *skb_list); @@ -87,7 +86,11 @@ bool dma_rxfill(struct dma_pub *pub); bool dma_rxreset(struct dma_pub *pub); bool dma_txreset(struct dma_pub *pub); void dma_txinit(struct dma_pub *pub); -int dma_txfast(struct dma_pub *pub, struct sk_buff *p0, bool commit); +int dma_txfast(struct brcms_c_info *wlc, struct dma_pub *pub, + struct sk_buff *p0); +void dma_txflush(struct dma_pub *pub); +int dma_txpending(struct dma_pub *pub); +void dma_kick_tx(struct dma_pub *pub); void dma_txsuspend(struct dma_pub *pub); bool dma_txsuspended(struct dma_pub *pub); void dma_txresume(struct dma_pub *pub); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/led.c b/drivers/net/wireless/brcm80211/brcmsmac/led.c new file mode 100644 index 00000000000..74b17cecb18 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmsmac/led.c @@ -0,0 +1,126 @@ +#include <net/mac80211.h> +#include <linux/bcma/bcma_driver_chipcommon.h> +#include <linux/gpio.h> + +#include "mac80211_if.h" +#include "pub.h" +#include "main.h" +#include "led.h" + + /* number of leds */ +#define BRCMS_LED_NO 4 + /* behavior mask */ +#define BRCMS_LED_BEH_MASK 0x7f + /* activelow (polarity) bit */ +#define BRCMS_LED_AL_MASK 0x80 + /* radio enabled */ +#define BRCMS_LED_RADIO 3 + +static void brcms_radio_led_ctrl(struct brcms_info *wl, bool state) +{ + if (wl->radio_led.gpio == -1) + return; + + if (wl->radio_led.active_low) + state = !state; + + if (state) + gpio_set_value(wl->radio_led.gpio, 1); + else + gpio_set_value(wl->radio_led.gpio, 0); +} + + +/* Callback from the LED subsystem. */ +static void brcms_led_brightness_set(struct led_classdev *led_dev, + enum led_brightness brightness) +{ + struct brcms_info *wl = container_of(led_dev, + struct brcms_info, led_dev); + brcms_radio_led_ctrl(wl, brightness); +} + +void brcms_led_unregister(struct brcms_info *wl) +{ + if (wl->led_dev.dev) + led_classdev_unregister(&wl->led_dev); + if (wl->radio_led.gpio != -1) + gpio_free(wl->radio_led.gpio); +} + +int brcms_led_register(struct brcms_info *wl) +{ + int i, err; + struct brcms_led *radio_led = &wl->radio_led; + /* get CC core */ + struct bcma_drv_cc *cc_drv = &wl->wlc->hw->d11core->bus->drv_cc; + struct gpio_chip *bcma_gpio = &cc_drv->gpio; + struct ssb_sprom *sprom = &wl->wlc->hw->d11core->bus->sprom; + u8 *leds[] = { &sprom->gpio0, + &sprom->gpio1, + &sprom->gpio2, + &sprom->gpio3 }; + unsigned gpio = -1; + bool active_low = false; + + /* none by default */ + radio_led->gpio = -1; + radio_led->active_low = false; + + if (!bcma_gpio || !gpio_is_valid(bcma_gpio->base)) + return -ENODEV; + + /* find radio enabled LED */ + for (i = 0; i < BRCMS_LED_NO; i++) { + u8 led = *leds[i]; + if ((led & BRCMS_LED_BEH_MASK) == BRCMS_LED_RADIO) { + gpio = bcma_gpio->base + i; + if (led & BRCMS_LED_AL_MASK) + active_low = true; + break; + } + } + + if (gpio == -1 || !gpio_is_valid(gpio)) + return -ENODEV; + + /* request and configure LED gpio */ + err = gpio_request_one(gpio, + active_low ? GPIOF_OUT_INIT_HIGH + : GPIOF_OUT_INIT_LOW, + "radio on"); + if (err) { + wiphy_err(wl->wiphy, "requesting led gpio %d failed (err: %d)\n", + gpio, err); + return err; + } + err = gpio_direction_output(gpio, 1); + if (err) { + wiphy_err(wl->wiphy, "cannot set led gpio %d to output (err: %d)\n", + gpio, err); + return err; + } + + snprintf(wl->radio_led.name, sizeof(wl->radio_led.name), + "brcmsmac-%s:radio", wiphy_name(wl->wiphy)); + + wl->led_dev.name = wl->radio_led.name; + wl->led_dev.default_trigger = + ieee80211_get_radio_led_name(wl->pub->ieee_hw); + wl->led_dev.brightness_set = brcms_led_brightness_set; + err = led_classdev_register(wiphy_dev(wl->wiphy), &wl->led_dev); + + if (err) { + wiphy_err(wl->wiphy, "cannot register led device: %s (err: %d)\n", + wl->radio_led.name, err); + return err; + } + + wiphy_info(wl->wiphy, "registered radio enabled led device: %s gpio: %d\n", + wl->radio_led.name, + gpio); + radio_led->gpio = gpio; + radio_led->active_low = active_low; + + return 0; +} diff --git a/drivers/net/wireless/brcm80211/brcmsmac/led.h b/drivers/net/wireless/brcm80211/brcmsmac/led.h new file mode 100644 index 00000000000..17a0b1f5dbc --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmsmac/led.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _BRCM_LED_H_ +#define _BRCM_LED_H_ +struct brcms_led { + char name[32]; + unsigned gpio; + bool active_low; +}; + +#ifdef CONFIG_BCMA_DRIVER_GPIO +void brcms_led_unregister(struct brcms_info *wl); +int brcms_led_register(struct brcms_info *wl); +#else +static inline void brcms_led_unregister(struct brcms_info *wl) {}; +static inline int brcms_led_register(struct brcms_info *wl) +{ + return -ENOTSUPP; +}; +#endif + +#endif /* _BRCM_LED_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c index a744ea5a955..43c71bfaa47 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2010 Broadcom Corporation + * Copyright (c) 2013 Hauke Mehrtens <hauke@hauke-m.de> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -33,8 +34,11 @@ #include "ucode_loader.h" #include "mac80211_if.h" #include "main.h" +#include "debug.h" +#include "led.h" #define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */ +#define BRCMS_FLUSH_TIMEOUT 500 /* msec */ /* Flags we support */ #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \ @@ -92,16 +96,21 @@ MODULE_FIRMWARE("brcm/bcm43xx_hdr-0.fw"); /* recognized BCMA Core IDs */ static struct bcma_device_id brcms_coreid_table[] = { + BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 17, BCMA_ANY_CLASS), BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 23, BCMA_ANY_CLASS), BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 24, BCMA_ANY_CLASS), BCMA_CORETABLE_END }; MODULE_DEVICE_TABLE(bcma, brcms_coreid_table); -#ifdef DEBUG -static int msglevel = 0xdeadbeef; -module_param(msglevel, int, 0); -#endif /* DEBUG */ +#if defined(CONFIG_BRCMDBG) +/* + * Module parameter for setting the debug message level. Available + * flags are specified by the BRCM_DL_* macros in + * drivers/net/wireless/brcm80211/include/defs.h. + */ +module_param_named(debug, brcm_msg_level, uint, S_IRUGO | S_IWUSR); +#endif static struct ieee80211_channel brcms_2ghz_chantable[] = { CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS), @@ -116,13 +125,13 @@ static struct ieee80211_channel brcms_2ghz_chantable[] = { CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS), CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS), CHAN2GHZ(12, 2467, - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS), CHAN2GHZ(13, 2472, - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS), CHAN2GHZ(14, 2484, - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS | IEEE80211_CHAN_NO_OFDM) }; @@ -135,51 +144,51 @@ static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = { CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS), /* UNII-2 */ CHAN5GHZ(52, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS), CHAN5GHZ(56, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS), CHAN5GHZ(60, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS), CHAN5GHZ(64, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS), /* MID */ CHAN5GHZ(100, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS), CHAN5GHZ(104, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS), CHAN5GHZ(108, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS), CHAN5GHZ(112, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS), CHAN5GHZ(116, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS), CHAN5GHZ(120, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS), CHAN5GHZ(124, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS), CHAN5GHZ(128, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS), CHAN5GHZ(132, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS), CHAN5GHZ(136, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS), CHAN5GHZ(140, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS | + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS), /* UNII-3 */ CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS), @@ -267,6 +276,131 @@ static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br) } } +/** + * This function frees the WL per-device resources. + * + * This function frees resources owned by the WL device pointed to + * by the wl parameter. + * + * precondition: can both be called locked and unlocked + * + */ +static void brcms_free(struct brcms_info *wl) +{ + struct brcms_timer *t, *next; + + /* free ucode data */ + if (wl->fw.fw_cnt) + brcms_ucode_data_free(&wl->ucode); + if (wl->irq) + free_irq(wl->irq, wl); + + /* kill dpc */ + tasklet_kill(&wl->tasklet); + + if (wl->pub) { + brcms_debugfs_detach(wl->pub); + brcms_c_module_unregister(wl->pub, "linux", wl); + } + + /* free common resources */ + if (wl->wlc) { + brcms_c_detach(wl->wlc); + wl->wlc = NULL; + wl->pub = NULL; + } + + /* virtual interface deletion is deferred so we cannot spinwait */ + + /* wait for all pending callbacks to complete */ + while (atomic_read(&wl->callbacks) > 0) + schedule(); + + /* free timers */ + for (t = wl->timers; t; t = next) { + next = t->next; +#ifdef DEBUG + kfree(t->name); +#endif + kfree(t); + } +} + +/* +* called from both kernel as from this kernel module (error flow on attach) +* precondition: perimeter lock is not acquired. +*/ +static void brcms_remove(struct bcma_device *pdev) +{ + struct ieee80211_hw *hw = bcma_get_drvdata(pdev); + struct brcms_info *wl = hw->priv; + + if (wl->wlc) { + brcms_led_unregister(wl); + wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false); + wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); + ieee80211_unregister_hw(hw); + } + + brcms_free(wl); + + bcma_set_drvdata(pdev, NULL); + ieee80211_free_hw(hw); +} + +/* + * Precondition: Since this function is called in brcms_pci_probe() context, + * no locking is required. + */ +static void brcms_release_fw(struct brcms_info *wl) +{ + int i; + for (i = 0; i < MAX_FW_IMAGES; i++) { + release_firmware(wl->fw.fw_bin[i]); + release_firmware(wl->fw.fw_hdr[i]); + } +} + +/* + * Precondition: Since this function is called in brcms_pci_probe() context, + * no locking is required. + */ +static int brcms_request_fw(struct brcms_info *wl, struct bcma_device *pdev) +{ + int status; + struct device *device = &pdev->dev; + char fw_name[100]; + int i; + + memset(&wl->fw, 0, sizeof(struct brcms_firmware)); + for (i = 0; i < MAX_FW_IMAGES; i++) { + if (brcms_firmwares[i] == NULL) + break; + sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i], + UCODE_LOADER_API_VER); + status = request_firmware(&wl->fw.fw_bin[i], fw_name, device); + if (status) { + wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n", + KBUILD_MODNAME, fw_name); + return status; + } + sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i], + UCODE_LOADER_API_VER); + status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device); + if (status) { + wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n", + KBUILD_MODNAME, fw_name); + return status; + } + wl->fw.hdr_num_entries[i] = + wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr)); + } + wl->fw.fw_cnt = i; + status = brcms_ucode_data_init(wl, &wl->ucode); + brcms_release_fw(wl); + return status; +} + static void brcms_ops_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb) @@ -276,12 +410,12 @@ static void brcms_ops_tx(struct ieee80211_hw *hw, spin_lock_bh(&wl->lock); if (!wl->pub->up) { - wiphy_err(wl->wiphy, "ops->tx called while down\n"); + brcms_err(wl->wlc->hw->d11core, "ops->tx called while down\n"); kfree_skb(skb); goto done; } - brcms_c_sendpkt_mac80211(wl->wlc, skb, hw); - tx_info->rate_driver_data[0] = control->sta; + if (brcms_c_sendpkt_mac80211(wl->wlc, skb, hw)) + tx_info->rate_driver_data[0] = control->sta; done: spin_unlock_bh(&wl->lock); } @@ -292,6 +426,12 @@ static int brcms_ops_start(struct ieee80211_hw *hw) bool blocked; int err; + if (!wl->ucode.bcm43xx_bomminor) { + err = brcms_request_fw(wl, wl->wlc->hw->d11core); + if (err) + return -ENOENT; + } + ieee80211_wake_queues(hw); spin_lock_bh(&wl->lock); blocked = brcms_rfkill_set_hw_state(wl); @@ -313,8 +453,10 @@ static int brcms_ops_start(struct ieee80211_hw *hw) spin_unlock_bh(&wl->lock); if (err != 0) - wiphy_err(hw->wiphy, "%s: brcms_up() returned %d\n", __func__, - err); + brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n", + __func__, err); + + bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, true); return err; } @@ -332,11 +474,13 @@ static void brcms_ops_stop(struct ieee80211_hw *hw) status = brcms_c_chipmatch(wl->wlc->hw->d11core); spin_unlock_bh(&wl->lock); if (!status) { - wiphy_err(wl->wiphy, + brcms_err(wl->wlc->hw->d11core, "wl: brcms_ops_stop: chipmatch failed\n"); return; } + bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, false); + /* put driver in down state */ spin_lock_bh(&wl->lock); brcms_down(wl); @@ -348,15 +492,27 @@ brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct brcms_info *wl = hw->priv; - /* Just STA for now */ - if (vif->type != NL80211_IFTYPE_STATION) { - wiphy_err(hw->wiphy, "%s: Attempt to add type %d, only" - " STA for now\n", __func__, vif->type); + /* Just STA, AP and ADHOC for now */ + if (vif->type != NL80211_IFTYPE_STATION && + vif->type != NL80211_IFTYPE_AP && + vif->type != NL80211_IFTYPE_ADHOC) { + brcms_err(wl->wlc->hw->d11core, + "%s: Attempt to add type %d, only STA, AP and AdHoc for now\n", + __func__, vif->type); return -EOPNOTSUPP; } + spin_lock_bh(&wl->lock); wl->mute_tx = false; brcms_c_mute(wl->wlc, false); + if (vif->type == NL80211_IFTYPE_STATION) + brcms_c_start_station(wl->wlc, vif->addr); + else if (vif->type == NL80211_IFTYPE_AP) + brcms_c_start_ap(wl->wlc, vif->addr, vif->bss_conf.bssid, + vif->bss_conf.ssid, vif->bss_conf.ssid_len); + else if (vif->type == NL80211_IFTYPE_ADHOC) + brcms_c_start_adhoc(wl->wlc, vif->addr); + spin_unlock_bh(&wl->lock); return 0; } @@ -370,9 +526,9 @@ static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed) { struct ieee80211_conf *conf = &hw->conf; struct brcms_info *wl = hw->priv; + struct bcma_device *core = wl->wlc->hw->d11core; int err = 0; int new_int; - struct wiphy *wiphy = hw->wiphy; spin_lock_bh(&wl->lock); if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { @@ -380,32 +536,33 @@ static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed) conf->listen_interval); } if (changed & IEEE80211_CONF_CHANGE_MONITOR) - wiphy_dbg(wiphy, "%s: change monitor mode: %s\n", - __func__, conf->flags & IEEE80211_CONF_MONITOR ? - "true" : "false"); + brcms_dbg_info(core, "%s: change monitor mode: %s\n", + __func__, conf->flags & IEEE80211_CONF_MONITOR ? + "true" : "false"); if (changed & IEEE80211_CONF_CHANGE_PS) - wiphy_err(wiphy, "%s: change power-save mode: %s (implement)\n", + brcms_err(core, "%s: change power-save mode: %s (implement)\n", __func__, conf->flags & IEEE80211_CONF_PS ? "true" : "false"); if (changed & IEEE80211_CONF_CHANGE_POWER) { err = brcms_c_set_tx_power(wl->wlc, conf->power_level); if (err < 0) { - wiphy_err(wiphy, "%s: Error setting power_level\n", + brcms_err(core, "%s: Error setting power_level\n", __func__); goto config_out; } new_int = brcms_c_get_tx_power(wl->wlc); if (new_int != conf->power_level) - wiphy_err(wiphy, "%s: Power level req != actual, %d %d" - "\n", __func__, conf->power_level, + brcms_err(core, + "%s: Power level req != actual, %d %d\n", + __func__, conf->power_level, new_int); } if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { - if (conf->channel_type == NL80211_CHAN_HT20 || - conf->channel_type == NL80211_CHAN_NO_HT) + if (conf->chandef.width == NL80211_CHAN_WIDTH_20 || + conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT) err = brcms_c_set_channel(wl->wlc, - conf->channel->hw_value); + conf->chandef.chan->hw_value); else err = -ENOTSUPP; } @@ -425,13 +582,13 @@ brcms_ops_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_bss_conf *info, u32 changed) { struct brcms_info *wl = hw->priv; - struct wiphy *wiphy = hw->wiphy; + struct bcma_device *core = wl->wlc->hw->d11core; if (changed & BSS_CHANGED_ASSOC) { /* association status changed (associated/disassociated) * also implies a change in the AID. */ - wiphy_err(wiphy, "%s: %s: %sassociated\n", KBUILD_MODNAME, + brcms_err(core, "%s: %s: %sassociated\n", KBUILD_MODNAME, __func__, info->assoc ? "" : "dis"); spin_lock_bh(&wl->lock); brcms_c_associate_upd(wl->wlc, info->assoc); @@ -491,7 +648,7 @@ brcms_ops_bss_info_changed(struct ieee80211_hw *hw, error = brcms_c_set_rateset(wl->wlc, &rs); spin_unlock_bh(&wl->lock); if (error) - wiphy_err(wiphy, "changing basic rates failed: %d\n", + brcms_err(core, "changing basic rates failed: %d\n", error); } if (changed & BSS_CHANGED_BEACON_INT) { @@ -506,34 +663,62 @@ brcms_ops_bss_info_changed(struct ieee80211_hw *hw, brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid); spin_unlock_bh(&wl->lock); } - if (changed & BSS_CHANGED_BEACON) + if (changed & BSS_CHANGED_SSID) { + /* BSSID changed, for whatever reason (IBSS and managed mode) */ + spin_lock_bh(&wl->lock); + brcms_c_set_ssid(wl->wlc, info->ssid, info->ssid_len); + spin_unlock_bh(&wl->lock); + } + if (changed & BSS_CHANGED_BEACON) { /* Beacon data changed, retrieve new beacon (beaconing modes) */ - wiphy_err(wiphy, "%s: beacon changed\n", __func__); + struct sk_buff *beacon; + u16 tim_offset = 0; + + spin_lock_bh(&wl->lock); + beacon = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL); + brcms_c_set_new_beacon(wl->wlc, beacon, tim_offset, + info->dtim_period); + spin_unlock_bh(&wl->lock); + } + + if (changed & BSS_CHANGED_AP_PROBE_RESP) { + struct sk_buff *probe_resp; + + spin_lock_bh(&wl->lock); + probe_resp = ieee80211_proberesp_get(hw, vif); + brcms_c_set_new_probe_resp(wl->wlc, probe_resp); + spin_unlock_bh(&wl->lock); + } if (changed & BSS_CHANGED_BEACON_ENABLED) { /* Beaconing should be enabled/disabled (beaconing modes) */ - wiphy_err(wiphy, "%s: Beacon enabled: %s\n", __func__, + brcms_err(core, "%s: Beacon enabled: %s\n", __func__, info->enable_beacon ? "true" : "false"); + if (info->enable_beacon && + hw->wiphy->flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) { + brcms_c_enable_probe_resp(wl->wlc, true); + } else { + brcms_c_enable_probe_resp(wl->wlc, false); + } } if (changed & BSS_CHANGED_CQM) { /* Connection quality monitor config changed */ - wiphy_err(wiphy, "%s: cqm change: threshold %d, hys %d " + brcms_err(core, "%s: cqm change: threshold %d, hys %d " " (implement)\n", __func__, info->cqm_rssi_thold, info->cqm_rssi_hyst); } if (changed & BSS_CHANGED_IBSS) { /* IBSS join status changed */ - wiphy_err(wiphy, "%s: IBSS joined: %s (implement)\n", __func__, - info->ibss_joined ? "true" : "false"); + brcms_err(core, "%s: IBSS joined: %s (implement)\n", + __func__, info->ibss_joined ? "true" : "false"); } if (changed & BSS_CHANGED_ARP_FILTER) { /* Hardware ARP filter address list or state changed */ - wiphy_err(wiphy, "%s: arp filtering: enabled %s, count %d" - " (implement)\n", __func__, info->arp_filter_enabled ? - "true" : "false", info->arp_addr_cnt); + brcms_err(core, "%s: arp filtering: %d addresses" + " (implement)\n", __func__, info->arp_addr_cnt); } if (changed & BSS_CHANGED_QOS) { @@ -541,8 +726,8 @@ brcms_ops_bss_info_changed(struct ieee80211_hw *hw, * QoS for this association was enabled/disabled. * Note that it is only ever disabled for station mode. */ - wiphy_err(wiphy, "%s: qos enabled: %s (implement)\n", __func__, - info->qos ? "true" : "false"); + brcms_err(core, "%s: qos enabled: %s (implement)\n", + __func__, info->qos ? "true" : "false"); } return; } @@ -553,25 +738,25 @@ brcms_ops_configure_filter(struct ieee80211_hw *hw, unsigned int *total_flags, u64 multicast) { struct brcms_info *wl = hw->priv; - struct wiphy *wiphy = hw->wiphy; + struct bcma_device *core = wl->wlc->hw->d11core; changed_flags &= MAC_FILTERS; *total_flags &= MAC_FILTERS; if (changed_flags & FIF_PROMISC_IN_BSS) - wiphy_dbg(wiphy, "FIF_PROMISC_IN_BSS\n"); + brcms_dbg_info(core, "FIF_PROMISC_IN_BSS\n"); if (changed_flags & FIF_ALLMULTI) - wiphy_dbg(wiphy, "FIF_ALLMULTI\n"); + brcms_dbg_info(core, "FIF_ALLMULTI\n"); if (changed_flags & FIF_FCSFAIL) - wiphy_dbg(wiphy, "FIF_FCSFAIL\n"); + brcms_dbg_info(core, "FIF_FCSFAIL\n"); if (changed_flags & FIF_CONTROL) - wiphy_dbg(wiphy, "FIF_CONTROL\n"); + brcms_dbg_info(core, "FIF_CONTROL\n"); if (changed_flags & FIF_OTHER_BSS) - wiphy_dbg(wiphy, "FIF_OTHER_BSS\n"); + brcms_dbg_info(core, "FIF_OTHER_BSS\n"); if (changed_flags & FIF_PSPOLL) - wiphy_dbg(wiphy, "FIF_PSPOLL\n"); + brcms_dbg_info(core, "FIF_PSPOLL\n"); if (changed_flags & FIF_BCN_PRBRESP_PROMISC) - wiphy_dbg(wiphy, "FIF_BCN_PRBRESP_PROMISC\n"); + brcms_dbg_info(core, "FIF_BCN_PRBRESP_PROMISC\n"); spin_lock_bh(&wl->lock); brcms_c_mac_promisc(wl->wlc, *total_flags); @@ -653,14 +838,16 @@ brcms_ops_ampdu_action(struct ieee80211_hw *hw, status = brcms_c_aggregatable(wl->wlc, tid); spin_unlock_bh(&wl->lock); if (!status) { - wiphy_err(wl->wiphy, "START: tid %d is not agg\'able\n", - tid); + brcms_err(wl->wlc->hw->d11core, + "START: tid %d is not agg\'able\n", tid); return -EINVAL; } ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; - case IEEE80211_AMPDU_TX_STOP: + case IEEE80211_AMPDU_TX_STOP_CONT: + case IEEE80211_AMPDU_TX_STOP_FLUSH: + case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: spin_lock_bh(&wl->lock); brcms_c_ampdu_flush(wl->wlc, sta, tid); spin_unlock_bh(&wl->lock); @@ -681,8 +868,8 @@ brcms_ops_ampdu_action(struct ieee80211_hw *hw, /* Power save wakeup */ break; default: - wiphy_err(wl->wiphy, "%s: Invalid command, ignoring\n", - __func__); + brcms_err(wl->wlc->hw->d11core, + "%s: Invalid command, ignoring\n", __func__); } return 0; @@ -700,15 +887,51 @@ static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw) wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); } -static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop) +static bool brcms_tx_flush_completed(struct brcms_info *wl) +{ + bool result; + + spin_lock_bh(&wl->lock); + result = brcms_c_tx_flush_completed(wl->wlc); + spin_unlock_bh(&wl->lock); + return result; +} + +static void brcms_ops_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u32 queues, bool drop) { struct brcms_info *wl = hw->priv; + int ret; no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false"); - /* wait for packet queue and dma fifos to run empty */ + ret = wait_event_timeout(wl->tx_flush_wq, + brcms_tx_flush_completed(wl), + msecs_to_jiffies(BRCMS_FLUSH_TIMEOUT)); + + brcms_dbg_mac80211(wl->wlc->hw->d11core, + "ret=%d\n", jiffies_to_msecs(ret)); +} + +static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct brcms_info *wl = hw->priv; + u64 tsf; + + spin_lock_bh(&wl->lock); + tsf = brcms_c_tsf_get(wl->wlc); + spin_unlock_bh(&wl->lock); + + return tsf; +} + +static void brcms_ops_set_tsf(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, u64 tsf) +{ + struct brcms_info *wl = hw->priv; + spin_lock_bh(&wl->lock); - brcms_c_wait_for_tx_completion(wl->wlc, drop); + brcms_c_tsf_set(wl->wlc, tsf); spin_unlock_bh(&wl->lock); } @@ -728,6 +951,8 @@ static const struct ieee80211_ops brcms_ops = { .ampdu_action = brcms_ops_ampdu_action, .rfkill_poll = brcms_ops_rfkill_poll, .flush = brcms_ops_flush, + .get_tsf = brcms_ops_get_tsf, + .set_tsf = brcms_ops_set_tsf, }; void brcms_dpc(unsigned long data) @@ -764,152 +989,28 @@ void brcms_dpc(unsigned long data) done: spin_unlock_bh(&wl->lock); -} - -/* - * Precondition: Since this function is called in brcms_pci_probe() context, - * no locking is required. - */ -static int brcms_request_fw(struct brcms_info *wl, struct bcma_device *pdev) -{ - int status; - struct device *device = &pdev->dev; - char fw_name[100]; - int i; - - memset(&wl->fw, 0, sizeof(struct brcms_firmware)); - for (i = 0; i < MAX_FW_IMAGES; i++) { - if (brcms_firmwares[i] == NULL) - break; - sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i], - UCODE_LOADER_API_VER); - status = request_firmware(&wl->fw.fw_bin[i], fw_name, device); - if (status) { - wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n", - KBUILD_MODNAME, fw_name); - return status; - } - sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i], - UCODE_LOADER_API_VER); - status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device); - if (status) { - wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n", - KBUILD_MODNAME, fw_name); - return status; - } - wl->fw.hdr_num_entries[i] = - wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr)); - } - wl->fw.fw_cnt = i; - return brcms_ucode_data_init(wl, &wl->ucode); -} - -/* - * Precondition: Since this function is called in brcms_pci_probe() context, - * no locking is required. - */ -static void brcms_release_fw(struct brcms_info *wl) -{ - int i; - for (i = 0; i < MAX_FW_IMAGES; i++) { - release_firmware(wl->fw.fw_bin[i]); - release_firmware(wl->fw.fw_hdr[i]); - } -} - -/** - * This function frees the WL per-device resources. - * - * This function frees resources owned by the WL device pointed to - * by the wl parameter. - * - * precondition: can both be called locked and unlocked - * - */ -static void brcms_free(struct brcms_info *wl) -{ - struct brcms_timer *t, *next; - - /* free ucode data */ - if (wl->fw.fw_cnt) - brcms_ucode_data_free(&wl->ucode); - if (wl->irq) - free_irq(wl->irq, wl); - - /* kill dpc */ - tasklet_kill(&wl->tasklet); - - if (wl->pub) - brcms_c_module_unregister(wl->pub, "linux", wl); - - /* free common resources */ - if (wl->wlc) { - brcms_c_detach(wl->wlc); - wl->wlc = NULL; - wl->pub = NULL; - } - - /* virtual interface deletion is deferred so we cannot spinwait */ - - /* wait for all pending callbacks to complete */ - while (atomic_read(&wl->callbacks) > 0) - schedule(); - - /* free timers */ - for (t = wl->timers; t; t = next) { - next = t->next; -#ifdef DEBUG - kfree(t->name); -#endif - kfree(t); - } -} - -/* -* called from both kernel as from this kernel module (error flow on attach) -* precondition: perimeter lock is not acquired. -*/ -static void brcms_remove(struct bcma_device *pdev) -{ - struct ieee80211_hw *hw = bcma_get_drvdata(pdev); - struct brcms_info *wl = hw->priv; - - if (wl->wlc) { - wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false); - wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); - ieee80211_unregister_hw(hw); - } - - brcms_free(wl); - - bcma_set_drvdata(pdev, NULL); - ieee80211_free_hw(hw); + wake_up(&wl->tx_flush_wq); } static irqreturn_t brcms_isr(int irq, void *dev_id) { struct brcms_info *wl; - bool ours, wantdpc; + irqreturn_t ret = IRQ_NONE; wl = (struct brcms_info *) dev_id; spin_lock(&wl->isr_lock); /* call common first level interrupt handler */ - ours = brcms_c_isr(wl->wlc, &wantdpc); - if (ours) { - /* if more to do... */ - if (wantdpc) { - - /* ...and call the second level interrupt handler */ - /* schedule dpc */ - tasklet_schedule(&wl->tasklet); - } + if (brcms_c_isr(wl->wlc)) { + /* schedule second level handler */ + tasklet_schedule(&wl->tasklet); + ret = IRQ_HANDLED; } spin_unlock(&wl->isr_lock); - return IRQ_RETVAL(ours); + return ret; } /* @@ -969,8 +1070,16 @@ static int ieee_hw_init(struct ieee80211_hw *hw) hw->max_rates = 2; /* Primary rate and 1 fallback rate */ /* channel change time is dependent on chip and band */ - hw->channel_change_time = 7 * 1000; - hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_ADHOC); + + /* + * deactivate sending probe responses by ucude, because this will + * cause problems when WPS is used. + * + * hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; + */ hw->rate_control_algorithm = "minstrel_ht"; @@ -984,12 +1093,6 @@ static int ieee_hw_init(struct ieee80211_hw *hw) * Attach to the WL device identified by vendor and device parameters. * regs is a host accessible memory address pointing to WL device registers. * - * brcms_attach is not defined as static because in the case where no bus - * is defined, wl_attach will never be called, and thus, gcc will issue - * a warning that this function is defined but not used if we declare - * it as static. - * - * * is called in brcms_bcma_probe() context, therefore no locking required. */ static struct brcms_info *brcms_attach(struct bcma_device *pdev) @@ -1015,24 +1118,16 @@ static struct brcms_info *brcms_attach(struct bcma_device *pdev) atomic_set(&wl->callbacks, 0); + init_waitqueue_head(&wl->tx_flush_wq); + /* setup the bottom half handler */ tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl); spin_lock_init(&wl->lock); spin_lock_init(&wl->isr_lock); - /* prepare ucode */ - if (brcms_request_fw(wl, pdev) < 0) { - wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in " - "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm"); - brcms_release_fw(wl); - brcms_remove(pdev); - return NULL; - } - /* common load-time initialization */ wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err); - brcms_release_fw(wl); if (!wl->wlc) { wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n", KBUILD_MODNAME, err); @@ -1075,6 +1170,8 @@ static struct brcms_info *brcms_attach(struct bcma_device *pdev) regulatory_hint(wl->wiphy, wl->pub->srom_ccode)) wiphy_err(wl->wiphy, "%s: regulatory hint failed\n", __func__); + brcms_debugfs_attach(wl->pub); + brcms_debugfs_create_files(wl->pub); n_adapters_found++; return wl; @@ -1093,7 +1190,7 @@ fail: * * Perimeter lock is initialized in the course of this function. */ -static int __devinit brcms_bcma_probe(struct bcma_device *pdev) +static int brcms_bcma_probe(struct bcma_device *pdev) { struct brcms_info *wl; struct ieee80211_hw *hw; @@ -1123,6 +1220,8 @@ static int __devinit brcms_bcma_probe(struct bcma_device *pdev) pr_err("%s: brcms_attach failed!\n", __func__); return -ENODEV; } + brcms_led_register(wl); + return 0; } @@ -1144,14 +1243,13 @@ static int brcms_suspend(struct bcma_device *pdev) wl->pub->hw_up = false; spin_unlock_bh(&wl->lock); - pr_debug("brcms_suspend ok\n"); + brcms_dbg_info(wl->wlc->hw->d11core, "brcms_suspend ok\n"); return 0; } static int brcms_resume(struct bcma_device *pdev) { - pr_debug("brcms_resume ok\n"); return 0; } @@ -1160,7 +1258,7 @@ static struct bcma_driver brcms_bcma_driver = { .probe = brcms_bcma_probe, .suspend = brcms_suspend, .resume = brcms_resume, - .remove = __devexit_p(brcms_remove), + .remove = brcms_remove, .id_table = brcms_coreid_table, }; @@ -1184,10 +1282,7 @@ static DECLARE_WORK(brcms_driver_work, brcms_driver_init); static int __init brcms_module_init(void) { -#ifdef DEBUG - if (msglevel != 0xdeadbeef) - brcm_msg_level = msglevel; -#endif + brcms_debugfs_init(); if (!schedule_work(&brcms_driver_work)) return -EBUSY; @@ -1205,6 +1300,7 @@ static void __exit brcms_module_exit(void) { cancel_work_sync(&brcms_driver_work); bcma_driver_unregister(&brcms_bcma_driver); + brcms_debugfs_exit(); } module_init(brcms_module_init); @@ -1216,7 +1312,7 @@ module_exit(brcms_module_exit); void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif, bool state, int prio) { - wiphy_err(wl->wiphy, "Shouldn't be here %s\n", __func__); + brcms_err(wl->wlc->hw->d11core, "Shouldn't be here %s\n", __func__); } /* @@ -1224,7 +1320,8 @@ void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif, */ void brcms_init(struct brcms_info *wl) { - BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit); + brcms_dbg_info(wl->wlc->hw->d11core, "Initializing wl%d\n", + wl->pub->unit); brcms_reset(wl); brcms_c_init(wl->wlc, wl->mute_tx); } @@ -1234,7 +1331,7 @@ void brcms_init(struct brcms_info *wl) */ uint brcms_reset(struct brcms_info *wl) { - BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit); + brcms_dbg_info(wl->wlc->hw->d11core, "Resetting wl%d\n", wl->pub->unit); brcms_c_reset(wl->wlc); /* dpc will not be rescheduled */ @@ -1248,7 +1345,7 @@ uint brcms_reset(struct brcms_info *wl) void brcms_fatal_error(struct brcms_info *wl) { - wiphy_err(wl->wlc->wiphy, "wl%d: fatal error, reinitializing\n", + brcms_err(wl->wlc->hw->d11core, "wl%d: fatal error, reinitializing\n", wl->wlc->pub->unit); brcms_reset(wl); ieee80211_restart_hw(wl->pub->ieee_hw); @@ -1396,14 +1493,16 @@ void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic) #ifdef DEBUG if (t->set) - wiphy_err(hw->wiphy, "%s: Already set. Name: %s, per %d\n", - __func__, t->name, periodic); + brcms_dbg_info(t->wl->wlc->hw->d11core, + "%s: Already set. Name: %s, per %d\n", + __func__, t->name, periodic); #endif t->ms = ms; t->periodic = (bool) periodic; - t->set = true; - - atomic_inc(&t->wl->callbacks); + if (!t->set) { + t->set = true; + atomic_inc(&t->wl->callbacks); + } ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms)); } @@ -1486,8 +1585,8 @@ int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx) } } } - wiphy_err(wl->wiphy, "ERROR: ucode buf tag:%d can not be found!\n", - idx); + brcms_err(wl->wlc->hw->d11core, + "ERROR: ucode buf tag:%d can not be found!\n", idx); *pbuf = NULL; fail: return -ENODATA; @@ -1510,7 +1609,7 @@ int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx) pdata = wl->fw.fw_bin[i]->data + le32_to_cpu(hdr->offset); if (le32_to_cpu(hdr->len) != 4) { - wiphy_err(wl->wiphy, + brcms_err(wl->wlc->hw->d11core, "ERROR: fw hdr len\n"); return -ENOMSG; } @@ -1519,7 +1618,8 @@ int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx) } } } - wiphy_err(wl->wiphy, "ERROR: ucode tag:%d can not be found!\n", idx); + brcms_err(wl->wlc->hw->d11core, + "ERROR: ucode tag:%d can not be found!\n", idx); return -ENOMSG; } @@ -1560,8 +1660,8 @@ int brcms_check_firmwares(struct brcms_info *wl) sizeof(struct firmware_hdr)); rc = -EBADF; } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) { - wiphy_err(wl->wiphy, "%s: out of bounds fw file size " - "%zu\n", __func__, fw->size); + wiphy_err(wl->wiphy, "%s: out of bounds fw file size %zu\n", + __func__, fw->size); rc = -EBADF; } else { /* check if ucode section overruns firmware image */ @@ -1601,13 +1701,3 @@ bool brcms_rfkill_set_hw_state(struct brcms_info *wl) spin_lock_bh(&wl->lock); return blocked; } - -/* - * precondition: perimeter lock has been acquired - */ -void brcms_msleep(struct brcms_info *wl, uint ms) -{ - spin_unlock_bh(&wl->lock); - msleep(ms); - spin_lock_bh(&wl->lock); -} diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h index 9358bd5ebd3..198053dfc31 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h @@ -20,8 +20,10 @@ #include <linux/timer.h> #include <linux/interrupt.h> #include <linux/workqueue.h> +#include <linux/leds.h> #include "ucode_loader.h" +#include "led.h" /* * Starting index for 5G rates in the * legacy rate table. @@ -68,6 +70,8 @@ struct brcms_info { spinlock_t lock; /* per-device perimeter lock */ spinlock_t isr_lock; /* per-device ISR synchronization lock */ + /* tx flush */ + wait_queue_head_t tx_flush_wq; /* timer related fields */ atomic_t callbacks; /* # outstanding callback functions */ @@ -79,30 +83,31 @@ struct brcms_info { struct wiphy *wiphy; struct brcms_ucode ucode; bool mute_tx; + struct brcms_led radio_led; + struct led_classdev led_dev; }; /* misc callbacks */ -extern void brcms_init(struct brcms_info *wl); -extern uint brcms_reset(struct brcms_info *wl); -extern void brcms_intrson(struct brcms_info *wl); -extern u32 brcms_intrsoff(struct brcms_info *wl); -extern void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask); -extern int brcms_up(struct brcms_info *wl); -extern void brcms_down(struct brcms_info *wl); -extern void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif, - bool state, int prio); -extern bool brcms_rfkill_set_hw_state(struct brcms_info *wl); +void brcms_init(struct brcms_info *wl); +uint brcms_reset(struct brcms_info *wl); +void brcms_intrson(struct brcms_info *wl); +u32 brcms_intrsoff(struct brcms_info *wl); +void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask); +int brcms_up(struct brcms_info *wl); +void brcms_down(struct brcms_info *wl); +void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif, + bool state, int prio); +bool brcms_rfkill_set_hw_state(struct brcms_info *wl); /* timer functions */ -extern struct brcms_timer *brcms_init_timer(struct brcms_info *wl, - void (*fn) (void *arg), void *arg, - const char *name); -extern void brcms_free_timer(struct brcms_timer *timer); -extern void brcms_add_timer(struct brcms_timer *timer, uint ms, int periodic); -extern bool brcms_del_timer(struct brcms_timer *timer); -extern void brcms_msleep(struct brcms_info *wl, uint ms); -extern void brcms_dpc(unsigned long data); -extern void brcms_timer(struct brcms_timer *t); -extern void brcms_fatal_error(struct brcms_info *wl); +struct brcms_timer *brcms_init_timer(struct brcms_info *wl, + void (*fn) (void *arg), void *arg, + const char *name); +void brcms_free_timer(struct brcms_timer *timer); +void brcms_add_timer(struct brcms_timer *timer, uint ms, int periodic); +bool brcms_del_timer(struct brcms_timer *timer); +void brcms_dpc(unsigned long data); +void brcms_timer(struct brcms_timer *t); +void brcms_fatal_error(struct brcms_info *wl); #endif /* _BRCM_MAC80211_IF_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c index 75086b37c81..af8ba64ace3 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2010 Broadcom Corporation + * Copyright (c) 2013 Hauke Mehrtens <hauke@hauke-m.de> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -34,12 +35,9 @@ #include "ucode_loader.h" #include "main.h" #include "soc.h" - -/* - * Indication for txflowcontrol that all priority bits in - * TXQ_STOP_FOR_PRIOFC_MASK are to be considered. - */ -#define ALLPRIO -1 +#include "dma.h" +#include "debug.h" +#include "brcms_trace_events.h" /* watchdog timer, in unit of ms */ #define TIMER_INTERVAL_WATCHDOG 1000 @@ -104,8 +102,6 @@ #define DOT11_RTS_LEN 16 #define DOT11_CTS_LEN 10 #define DOT11_BA_BITMAP_LEN 128 -#define DOT11_MIN_BEACON_PERIOD 1 -#define DOT11_MAX_BEACON_PERIOD 0xFFFF #define DOT11_MAXNUMFRAGS 16 #define DOT11_MAX_FRAG_LEN 2346 @@ -126,21 +122,6 @@ #define BRCMS_TEMPSENSE_PERIOD 10 /* 10 second timeout */ -/* precedences numbers for wlc queues. These are twice as may levels as - * 802.1D priorities. - * Odd numbers are used for HI priority traffic at same precedence levels - * These constants are used ONLY by wlc_prio2prec_map. Do not use them - * elsewhere. - */ -#define _BRCMS_PREC_NONE 0 /* None = - */ -#define _BRCMS_PREC_BK 2 /* BK - Background */ -#define _BRCMS_PREC_BE 4 /* BE - Best-effort */ -#define _BRCMS_PREC_EE 6 /* EE - Excellent-effort */ -#define _BRCMS_PREC_CL 8 /* CL - Controlled Load */ -#define _BRCMS_PREC_VI 10 /* Vi - Video */ -#define _BRCMS_PREC_VO 12 /* Vo - Voice */ -#define _BRCMS_PREC_NC 14 /* NC - Network Control */ - /* synthpu_dly times in us */ #define SYNTHPU_DLY_APHY_US 3700 #define SYNTHPU_DLY_BPHY_US 1050 @@ -237,17 +218,17 @@ #define MAX_DMA_SEGS 4 -/* Max # of entries in Tx FIFO based on 4kb page size */ -#define NTXD 256 +/* # of entries in Tx FIFO */ +#define NTXD 64 /* Max # of entries in Rx FIFO based on 4kb page size */ #define NRXD 256 +/* Amount of headroom to leave in Tx FIFO */ +#define TX_HEADROOM 4 + /* try to keep this # rbufs posted to the chip */ #define NRXBUFPOST 32 -/* data msg txq hiwat mark */ -#define BRCMS_DATAHIWAT 50 - /* max # frames to process in brcms_c_recv() */ #define RXBND 8 /* max # tx status to process in wlc_txstatus() */ @@ -283,24 +264,8 @@ struct edcf_acparam { u16 TXOP; } __packed; -const u8 prio2fifo[NUMPRIO] = { - TX_AC_BE_FIFO, /* 0 BE AC_BE Best Effort */ - TX_AC_BK_FIFO, /* 1 BK AC_BK Background */ - TX_AC_BK_FIFO, /* 2 -- AC_BK Background */ - TX_AC_BE_FIFO, /* 3 EE AC_BE Best Effort */ - TX_AC_VI_FIFO, /* 4 CL AC_VI Video */ - TX_AC_VI_FIFO, /* 5 VI AC_VI Video */ - TX_AC_VO_FIFO, /* 6 VO AC_VO Voice */ - TX_AC_VO_FIFO /* 7 NC AC_VO Voice */ -}; - /* debug/trace */ -uint brcm_msg_level = -#if defined(DEBUG) - LOG_ERROR_VAL; -#else - 0; -#endif /* DEBUG */ +uint brcm_msg_level; /* TX FIFO number to WME/802.1E Access Category */ static const u8 wme_fifo2ac[] = { @@ -320,18 +285,6 @@ static const u8 wme_ac2fifo[] = { TX_AC_BK_FIFO }; -/* 802.1D Priority to precedence queue mapping */ -const u8 wlc_prio2prec_map[] = { - _BRCMS_PREC_BE, /* 0 BE - Best-effort */ - _BRCMS_PREC_BK, /* 1 BK - Background */ - _BRCMS_PREC_NONE, /* 2 None = - */ - _BRCMS_PREC_EE, /* 3 EE - Excellent-effort */ - _BRCMS_PREC_CL, /* 4 CL - Controlled Load */ - _BRCMS_PREC_VI, /* 5 Vi - Video */ - _BRCMS_PREC_VO, /* 6 Vo - Voice */ - _BRCMS_PREC_NC, /* 7 NC - Network Control */ -}; - static const u16 xmtfifo_sz[][NFIFO] = { /* corerev 17: 5120, 49152, 49152, 5376, 4352, 1280 */ {20, 192, 192, 21, 17, 5}, @@ -371,6 +324,36 @@ static const char fifo_names[6][0]; static struct brcms_c_info *wlc_info_dbg = (struct brcms_c_info *) (NULL); #endif +/* Mapping of ieee80211 AC numbers to tx fifos */ +static const u8 ac_to_fifo_mapping[IEEE80211_NUM_ACS] = { + [IEEE80211_AC_VO] = TX_AC_VO_FIFO, + [IEEE80211_AC_VI] = TX_AC_VI_FIFO, + [IEEE80211_AC_BE] = TX_AC_BE_FIFO, + [IEEE80211_AC_BK] = TX_AC_BK_FIFO, +}; + +/* Mapping of tx fifos to ieee80211 AC numbers */ +static const u8 fifo_to_ac_mapping[IEEE80211_NUM_ACS] = { + [TX_AC_BK_FIFO] = IEEE80211_AC_BK, + [TX_AC_BE_FIFO] = IEEE80211_AC_BE, + [TX_AC_VI_FIFO] = IEEE80211_AC_VI, + [TX_AC_VO_FIFO] = IEEE80211_AC_VO, +}; + +static u8 brcms_ac_to_fifo(u8 ac) +{ + if (ac >= ARRAY_SIZE(ac_to_fifo_mapping)) + return TX_AC_BE_FIFO; + return ac_to_fifo_mapping[ac]; +} + +static u8 brcms_fifo_to_ac(u8 fifo) +{ + if (fifo >= ARRAY_SIZE(fifo_to_ac_mapping)) + return IEEE80211_AC_BE; + return fifo_to_ac_mapping[fifo]; +} + /* Find basic rate for a given rate */ static u8 brcms_basic_rate(struct brcms_c_info *wlc, u32 rspec) { @@ -415,10 +398,15 @@ static bool brcms_deviceremoved(struct brcms_c_info *wlc) } /* sum the individual fifo tx pending packet counts */ -static s16 brcms_txpktpendtot(struct brcms_c_info *wlc) +static int brcms_txpktpendtot(struct brcms_c_info *wlc) { - return wlc->core->txpktpend[0] + wlc->core->txpktpend[1] + - wlc->core->txpktpend[2] + wlc->core->txpktpend[3]; + int i; + int pending = 0; + + for (i = 0; i < ARRAY_SIZE(wlc->hw->di); i++) + if (wlc->hw->di[i]) + pending += dma_txpending(wlc->hw->di[i]); + return pending; } static bool brcms_is_mband_unlocked(struct brcms_c_info *wlc) @@ -461,6 +449,10 @@ static void brcms_c_detach_mfree(struct brcms_c_info *wlc) kfree(wlc->corestate); kfree(wlc->hw->bandstate[0]); kfree(wlc->hw); + if (wlc->beacon) + dev_kfree_skb_any(wlc->beacon); + if (wlc->probe_resp) + dev_kfree_skb_any(wlc->probe_resp); /* free the wlc */ kfree(wlc); @@ -626,14 +618,11 @@ static uint brcms_c_calc_frame_time(struct brcms_c_info *wlc, u32 ratespec, uint rate = rspec2rate(ratespec); if (rate == 0) { - wiphy_err(wlc->wiphy, "wl%d: WAR: using rate of 1 mbps\n", + brcms_err(wlc->hw->d11core, "wl%d: WAR: using rate of 1 mbps\n", wlc->pub->unit); rate = BRCM_RATE_1M; } - BCMMSG(wlc->wiphy, "wl%d: rspec 0x%x, preamble_type %d, len%d\n", - wlc->pub->unit, ratespec, preamble_type, mac_len); - if (is_mcs_rate(ratespec)) { uint mcs = ratespec & RSPEC_RATE_MASK; int tot_streams = mcs_2_txstreams(mcs) + rspec_stc(ratespec); @@ -696,7 +685,7 @@ static void brcms_c_write_inits(struct brcms_hardware *wlc_hw, u16 size; u32 value; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_info(wlc_hw->d11core, "wl%d\n", wlc_hw->unit); for (i = 0; inits[i].addr != cpu_to_le16(0xffff); i++) { size = le16_to_cpu(inits[i].size); @@ -725,19 +714,19 @@ static void brcms_c_write_mhf(struct brcms_hardware *wlc_hw, u16 *mhfs) static void brcms_c_ucode_bsinit(struct brcms_hardware *wlc_hw) { - struct wiphy *wiphy = wlc_hw->wlc->wiphy; struct brcms_ucode *ucode = &wlc_hw->wlc->wl->ucode; /* init microcode host flags */ brcms_c_write_mhf(wlc_hw, wlc_hw->band->mhfs); /* do band-specific ucode IHR, SHM, and SCR inits */ - if (D11REV_IS(wlc_hw->corerev, 23)) { + if (D11REV_IS(wlc_hw->corerev, 17) || D11REV_IS(wlc_hw->corerev, 23)) { if (BRCMS_ISNPHY(wlc_hw->band)) brcms_c_write_inits(wlc_hw, ucode->d11n0bsinitvals16); else - wiphy_err(wiphy, "%s: wl%d: unsupported phy in corerev" - " %d\n", __func__, wlc_hw->unit, + brcms_err(wlc_hw->d11core, + "%s: wl%d: unsupported phy in corerev %d\n", + __func__, wlc_hw->unit, wlc_hw->corerev); } else { if (D11REV_IS(wlc_hw->corerev, 24)) { @@ -745,12 +734,14 @@ static void brcms_c_ucode_bsinit(struct brcms_hardware *wlc_hw) brcms_c_write_inits(wlc_hw, ucode->d11lcn0bsinitvals24); else - wiphy_err(wiphy, "%s: wl%d: unsupported phy in" - " core rev %d\n", __func__, - wlc_hw->unit, wlc_hw->corerev); + brcms_err(wlc_hw->d11core, + "%s: wl%d: unsupported phy in core rev %d\n", + __func__, wlc_hw->unit, + wlc_hw->corerev); } else { - wiphy_err(wiphy, "%s: wl%d: unsupported corerev %d\n", - __func__, wlc_hw->unit, wlc_hw->corerev); + brcms_err(wlc_hw->d11core, + "%s: wl%d: unsupported corerev %d\n", + __func__, wlc_hw->unit, wlc_hw->corerev); } } } @@ -765,7 +756,7 @@ static void brcms_b_core_ioctl(struct brcms_hardware *wlc_hw, u32 m, u32 v) static void brcms_b_core_phy_clk(struct brcms_hardware *wlc_hw, bool clk) { - BCMMSG(wlc_hw->wlc->wiphy, "wl%d: clk %d\n", wlc_hw->unit, clk); + brcms_dbg_info(wlc_hw->d11core, "wl%d: clk %d\n", wlc_hw->unit, clk); wlc_hw->phyclk = clk; @@ -790,8 +781,8 @@ static void brcms_b_core_phy_clk(struct brcms_hardware *wlc_hw, bool clk) /* low-level band switch utility routine */ static void brcms_c_setxband(struct brcms_hardware *wlc_hw, uint bandunit) { - BCMMSG(wlc_hw->wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit, - bandunit); + brcms_dbg_mac80211(wlc_hw->d11core, "wl%d: bandunit %d\n", wlc_hw->unit, + bandunit); wlc_hw->band = wlc_hw->bandstate[bandunit]; @@ -819,7 +810,7 @@ static u32 brcms_c_setband_inact(struct brcms_c_info *wlc, uint bandunit) u32 macintmask; u32 macctrl; - BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_mac80211(wlc_hw->d11core, "wl%d\n", wlc_hw->unit); macctrl = bcma_read32(wlc_hw->d11core, D11REGOFFS(maccontrol)); WARN_ON((macctrl & MCTL_EN_MAC) != 0); @@ -841,9 +832,10 @@ static u32 brcms_c_setband_inact(struct brcms_c_info *wlc, uint bandunit) static bool brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs) { - struct sk_buff *p; - uint queue; - struct d11txh *txh; + struct sk_buff *p = NULL; + uint queue = NFIFO; + struct dma_pub *dma = NULL; + struct d11txh *txh = NULL; struct scb *scb = NULL; bool free_pdu; int tx_rts, tx_frame_count, tx_rts_count; @@ -854,6 +846,11 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs) struct ieee80211_tx_info *tx_info; struct ieee80211_tx_rate *txrate; int i; + bool fatal = true; + + trace_brcms_txstatus(&wlc->hw->d11core->dev, txs->framelen, + txs->frameid, txs->status, txs->lasttxtime, + txs->sequence, txs->phyerr, txs->ackphyrxsh); /* discard intermediate indications for ucode with one legitimate case: * e.g. if "useRTS" is set. ucode did a successful rts/cts exchange, @@ -862,34 +859,36 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs) */ if (!(txs->status & TX_STATUS_AMPDU) && (txs->status & TX_STATUS_INTERMEDIATE)) { - BCMMSG(wlc->wiphy, "INTERMEDIATE but not AMPDU\n"); - return false; + brcms_dbg_tx(wlc->hw->d11core, "INTERMEDIATE but not AMPDU\n"); + fatal = false; + goto out; } queue = txs->frameid & TXFID_QUEUE_MASK; if (queue >= NFIFO) { - p = NULL; - goto fatal; + brcms_err(wlc->hw->d11core, "queue %u >= NFIFO\n", queue); + goto out; } + dma = wlc->hw->di[queue]; + p = dma_getnexttxp(wlc->hw->di[queue], DMA_RANGE_TRANSMITTED); - if (p == NULL) - goto fatal; + if (p == NULL) { + brcms_err(wlc->hw->d11core, "dma_getnexttxp returned null!\n"); + goto out; + } txh = (struct d11txh *) (p->data); mcl = le16_to_cpu(txh->MacTxControlLow); - if (txs->phyerr) { - if (brcm_msg_level & LOG_ERROR_VAL) { - wiphy_err(wlc->wiphy, "phyerr 0x%x, rate 0x%x\n", - txs->phyerr, txh->MainRates); - brcms_c_print_txdesc(txh); - } - brcms_c_print_txstatus(txs); - } + if (txs->phyerr) + brcms_dbg_tx(wlc->hw->d11core, "phyerr 0x%x, rate 0x%x\n", + txs->phyerr, txh->MainRates); - if (txs->frameid != le16_to_cpu(txh->TxFrameID)) - goto fatal; + if (txs->frameid != le16_to_cpu(txh->TxFrameID)) { + brcms_err(wlc->hw->d11core, "frameid != txh->TxFrameID\n"); + goto out; + } tx_info = IEEE80211_SKB_CB(p); h = (struct ieee80211_hdr *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN); @@ -898,14 +897,24 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs) if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) { brcms_c_ampdu_dotxstatus(wlc->ampdu, scb, p, txs); - return false; + fatal = false; + goto out; } + /* + * brcms_c_ampdu_dotxstatus() will trace tx descriptors for AMPDU + * frames; this traces them for the rest. + */ + trace_brcms_txdesc(&wlc->hw->d11core->dev, txh, sizeof(*txh)); + supr_status = txs->status & TX_STATUS_SUPR_MASK; - if (supr_status == TX_STATUS_SUPR_BADCH) - BCMMSG(wlc->wiphy, - "%s: Pkt tx suppressed, possibly channel %d\n", - __func__, CHSPEC_CHANNEL(wlc->default_bss->chanspec)); + if (supr_status == TX_STATUS_SUPR_BADCH) { + unsigned xfts = le16_to_cpu(txh->XtraFrameTypes); + brcms_dbg_tx(wlc->hw->d11core, + "Pkt tx suppressed, dest chan %u, current %d\n", + (xfts >> XFTS_CHANNEL_SHIFT) & 0xff, + CHSPEC_CHANNEL(wlc->default_bss->chanspec)); + } tx_rts = le16_to_cpu(txh->MacTxControlLow) & TXC_SENDRTS; tx_frame_count = @@ -916,7 +925,7 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs) lastframe = !ieee80211_has_morefrags(h->frame_control); if (!lastframe) { - wiphy_err(wlc->wiphy, "Not last frame!\n"); + brcms_err(wlc->hw->d11core, "Not last frame!\n"); } else { /* * Set information to be consumed by Minstrel ht. @@ -982,26 +991,37 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs) totlen = p->len; free_pdu = true; - brcms_c_txfifo_complete(wlc, queue, 1); - if (lastframe) { /* remove PLCP & Broadcom tx descriptor header */ skb_pull(p, D11_PHY_HDR_LEN); skb_pull(p, D11_TXH_LEN); ieee80211_tx_status_irqsafe(wlc->pub->ieee_hw, p); } else { - wiphy_err(wlc->wiphy, "%s: Not last frame => not calling " - "tx_status\n", __func__); + brcms_err(wlc->hw->d11core, + "%s: Not last frame => not calling tx_status\n", + __func__); } - return false; + fatal = false; - fatal: - if (p) - brcmu_pkt_buf_free_skb(p); + out: + if (fatal) { + if (txh) + trace_brcms_txdesc(&wlc->hw->d11core->dev, txh, + sizeof(*txh)); + if (p) + brcmu_pkt_buf_free_skb(p); + } - return true; + if (dma && queue < NFIFO) { + u16 ac_queue = brcms_fifo_to_ac(queue); + if (dma->txavail > TX_HEADROOM && queue < TX_BCMC_FIFO && + ieee80211_queue_stopped(wlc->pub->ieee_hw, ac_queue)) + ieee80211_wake_queue(wlc->pub->ieee_hw, ac_queue); + dma_kick_tx(dma); + } + return fatal; } /* process tx completion events in BMAC @@ -1010,8 +1030,6 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs) static bool brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal) { - bool morepending = false; - struct brcms_c_info *wlc = wlc_hw->wlc; struct bcma_device *core; struct tx_status txstatus, *txs; u32 s1, s2; @@ -1022,22 +1040,23 @@ brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal) */ uint max_tx_num = bound ? TXSBND : -1; - BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit); - txs = &txstatus; core = wlc_hw->d11core; *fatal = false; - s1 = bcma_read32(core, D11REGOFFS(frmtxstatus)); - while (!(*fatal) - && (s1 & TXS_V)) { + while (n < max_tx_num) { + s1 = bcma_read32(core, D11REGOFFS(frmtxstatus)); if (s1 == 0xffffffff) { - wiphy_err(wlc->wiphy, "wl%d: %s: dead chip\n", - wlc_hw->unit, __func__); - return morepending; + brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit, + __func__); + *fatal = true; + return false; } - s2 = bcma_read32(core, D11REGOFFS(frmtxstatus2)); + /* only process when valid */ + if (!(s1 & TXS_V)) + break; + s2 = bcma_read32(core, D11REGOFFS(frmtxstatus2)); txs->status = s1 & TXS_STATUS_MASK; txs->frameid = (s1 & TXS_FID_MASK) >> TXS_FID_SHIFT; txs->sequence = s2 & TXS_SEQ_MASK; @@ -1045,28 +1064,17 @@ brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal) txs->lasttxtime = 0; *fatal = brcms_c_dotxstatus(wlc_hw->wlc, txs); - - /* !give others some time to run! */ - if (++n >= max_tx_num) - break; - s1 = bcma_read32(core, D11REGOFFS(frmtxstatus)); + if (*fatal == true) + return false; + n++; } - if (*fatal) - return 0; - - if (n >= max_tx_num) - morepending = true; - - if (!pktq_empty(&wlc->pkt_queue->q)) - brcms_c_send_q(wlc); - - return morepending; + return n >= max_tx_num; } static void brcms_c_tbtt(struct brcms_c_info *wlc) { - if (!wlc->bsscfg->BSS) + if (wlc->bsscfg->type == BRCMS_TYPE_ADHOC) /* * DirFrmQ is now valid...defer setting until end * of ATIM window @@ -1112,7 +1120,6 @@ static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme) u16 pio_mhf2 = 0; struct brcms_hardware *wlc_hw = wlc->hw; uint unit = wlc_hw->unit; - struct wiphy *wiphy = wlc->wiphy; /* name and offsets for dma_attach */ snprintf(name, sizeof(name), "wl%d", unit); @@ -1125,12 +1132,12 @@ static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme) * TX: TX_AC_BK_FIFO (TX AC Background data packets) * RX: RX_FIFO (RX data packets) */ - wlc_hw->di[0] = dma_attach(name, wlc_hw->sih, wlc_hw->d11core, + wlc_hw->di[0] = dma_attach(name, wlc, (wme ? dmareg(DMA_TX, 0) : 0), dmareg(DMA_RX, 0), (wme ? NTXD : 0), NRXD, RXBUFSZ, -1, NRXBUFPOST, - BRCMS_HWRXOFF, &brcm_msg_level); + BRCMS_HWRXOFF); dma_attach_err |= (NULL == wlc_hw->di[0]); /* @@ -1139,10 +1146,9 @@ static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme) * (legacy) TX_DATA_FIFO (TX data packets) * RX: UNUSED */ - wlc_hw->di[1] = dma_attach(name, wlc_hw->sih, wlc_hw->d11core, + wlc_hw->di[1] = dma_attach(name, wlc, dmareg(DMA_TX, 1), 0, - NTXD, 0, 0, -1, 0, 0, - &brcm_msg_level); + NTXD, 0, 0, -1, 0, 0); dma_attach_err |= (NULL == wlc_hw->di[1]); /* @@ -1150,26 +1156,26 @@ static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme) * TX: TX_AC_VI_FIFO (TX AC Video data packets) * RX: UNUSED */ - wlc_hw->di[2] = dma_attach(name, wlc_hw->sih, wlc_hw->d11core, + wlc_hw->di[2] = dma_attach(name, wlc, dmareg(DMA_TX, 2), 0, - NTXD, 0, 0, -1, 0, 0, - &brcm_msg_level); + NTXD, 0, 0, -1, 0, 0); dma_attach_err |= (NULL == wlc_hw->di[2]); /* * FIFO 3 * TX: TX_AC_VO_FIFO (TX AC Voice data packets) * (legacy) TX_CTL_FIFO (TX control & mgmt packets) */ - wlc_hw->di[3] = dma_attach(name, wlc_hw->sih, wlc_hw->d11core, + wlc_hw->di[3] = dma_attach(name, wlc, dmareg(DMA_TX, 3), 0, NTXD, 0, 0, -1, - 0, 0, &brcm_msg_level); + 0, 0); dma_attach_err |= (NULL == wlc_hw->di[3]); /* Cleaner to leave this as if with AP defined */ if (dma_attach_err) { - wiphy_err(wiphy, "wl%d: wlc_attach: dma_attach failed" - "\n", unit); + brcms_err(wlc_hw->d11core, + "wl%d: wlc_attach: dma_attach failed\n", + unit); return false; } @@ -1503,8 +1509,7 @@ brcms_b_set_addrmatch(struct brcms_hardware *wlc_hw, int match_reg_offset, u16 mac_m; u16 mac_h; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d: brcms_b_set_addrmatch\n", - wlc_hw->unit); + brcms_dbg_rx(core, "wl%d: brcms_b_set_addrmatch\n", wlc_hw->unit); mac_l = addr[0] | (addr[1] << 8); mac_m = addr[2] | (addr[3] << 8); @@ -1527,7 +1532,7 @@ brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset, int len, __le32 word_le; __be32 word_be; bool be_bit; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_info(core, "wl%d\n", wlc_hw->unit); bcma_write32(core, D11REGOFFS(tplatewrptr), offset); @@ -1700,8 +1705,8 @@ static void brcms_b_bsinit(struct brcms_c_info *wlc, u16 chanspec) { struct brcms_hardware *wlc_hw = wlc->hw; - BCMMSG(wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit, - wlc_hw->band->bandunit); + brcms_dbg_mac80211(wlc_hw->d11core, "wl%d: bandunit %d\n", wlc_hw->unit, + wlc_hw->band->bandunit); brcms_c_ucode_bsinit(wlc_hw); @@ -1736,8 +1741,6 @@ static void brcms_b_bsinit(struct brcms_c_info *wlc, u16 chanspec) /* Perform a soft reset of the PHY PLL */ void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw) { - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); - ai_cc_reg(wlc_hw->sih, offsetof(struct chipcregs, chipcontrol_addr), ~0, 0); udelay(1); @@ -1782,7 +1785,7 @@ void brcms_b_phy_reset(struct brcms_hardware *wlc_hw) u32 phy_bw_clkbits; bool phy_in_reset = false; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_info(wlc_hw->d11core, "wl%d: reset phy\n", wlc_hw->unit); if (pih == NULL) return; @@ -1903,20 +1906,20 @@ static void brcms_c_get_macaddr(struct brcms_hardware *wlc_hw, u8 etheraddr[ETH_ /* If macaddr exists, use it (Sromrev4, CIS, ...). */ if (!is_zero_ether_addr(sprom->il0mac)) { - memcpy(etheraddr, sprom->il0mac, 6); + memcpy(etheraddr, sprom->il0mac, ETH_ALEN); return; } if (wlc_hw->_nbands > 1) - memcpy(etheraddr, sprom->et1mac, 6); + memcpy(etheraddr, sprom->et1mac, ETH_ALEN); else - memcpy(etheraddr, sprom->il0mac, 6); + memcpy(etheraddr, sprom->il0mac, ETH_ALEN); } /* power both the pll and external oscillator on/off */ static void brcms_b_xtal(struct brcms_hardware *wlc_hw, bool want) { - BCMMSG(wlc_hw->wlc->wiphy, "wl%d: want %d\n", wlc_hw->unit, want); + brcms_dbg_info(wlc_hw->d11core, "wl%d: want %d\n", wlc_hw->unit, want); /* * dont power down if plldown is false or @@ -2005,7 +2008,7 @@ void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags) if (flags == BRCMS_USE_COREFLAGS) flags = (wlc_hw->band->pi ? wlc_hw->band->core_flags : 0); - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_info(wlc_hw->d11core, "wl%d: core reset\n", wlc_hw->unit); /* request FAST clock if not on */ fastclk = wlc_hw->forcefastclk; @@ -2016,13 +2019,13 @@ void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags) if (bcma_core_is_enabled(wlc_hw->d11core)) { for (i = 0; i < NFIFO; i++) if ((wlc_hw->di[i]) && (!dma_txreset(wlc_hw->di[i]))) - wiphy_err(wlc_hw->wlc->wiphy, "wl%d: %s: " + brcms_err(wlc_hw->d11core, "wl%d: %s: " "dma_txreset[%d]: cannot stop dma\n", wlc_hw->unit, __func__, i); if ((wlc_hw->di[RX_FIFO]) && (!wlc_dma_rxreset(wlc_hw, RX_FIFO))) - wiphy_err(wlc_hw->wlc->wiphy, "wl%d: %s: dma_rxreset" + brcms_err(wlc_hw->d11core, "wl%d: %s: dma_rxreset" "[%d]: cannot stop dma\n", wlc_hw->unit, __func__, RX_FIFO); } @@ -2165,6 +2168,32 @@ void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode) } } +void brcms_c_start_station(struct brcms_c_info *wlc, u8 *addr) +{ + memcpy(wlc->pub->cur_etheraddr, addr, sizeof(wlc->pub->cur_etheraddr)); + wlc->bsscfg->type = BRCMS_TYPE_STATION; +} + +void brcms_c_start_ap(struct brcms_c_info *wlc, u8 *addr, const u8 *bssid, + u8 *ssid, size_t ssid_len) +{ + brcms_c_set_ssid(wlc, ssid, ssid_len); + + memcpy(wlc->pub->cur_etheraddr, addr, sizeof(wlc->pub->cur_etheraddr)); + memcpy(wlc->bsscfg->BSSID, bssid, sizeof(wlc->bsscfg->BSSID)); + wlc->bsscfg->type = BRCMS_TYPE_AP; + + brcms_b_mctrl(wlc->hw, MCTL_AP | MCTL_INFRA, MCTL_AP | MCTL_INFRA); +} + +void brcms_c_start_adhoc(struct brcms_c_info *wlc, u8 *addr) +{ + memcpy(wlc->pub->cur_etheraddr, addr, sizeof(wlc->pub->cur_etheraddr)); + wlc->bsscfg->type = BRCMS_TYPE_ADHOC; + + brcms_b_mctrl(wlc->hw, MCTL_AP | MCTL_INFRA, 0); +} + /* Initialize GPIOs that are controlled by D11 core */ static void brcms_c_gpio_init(struct brcms_c_info *wlc) { @@ -2235,7 +2264,7 @@ static void brcms_ucode_write(struct brcms_hardware *wlc_hw, uint i; uint count; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_info(wlc_hw->d11core, "wl%d\n", wlc_hw->unit); count = (nbytes / sizeof(u32)); @@ -2257,14 +2286,14 @@ static void brcms_ucode_download(struct brcms_hardware *wlc_hw) if (wlc_hw->ucode_loaded) return; - if (D11REV_IS(wlc_hw->corerev, 23)) { + if (D11REV_IS(wlc_hw->corerev, 17) || D11REV_IS(wlc_hw->corerev, 23)) { if (BRCMS_ISNPHY(wlc_hw->band)) { brcms_ucode_write(wlc_hw, ucode->bcm43xx_16_mimo, ucode->bcm43xx_16_mimosz); wlc_hw->ucode_loaded = true; } else - wiphy_err(wlc->wiphy, "%s: wl%d: unsupported phy in " - "corerev %d\n", + brcms_err(wlc_hw->d11core, + "%s: wl%d: unsupported phy in corerev %d\n", __func__, wlc_hw->unit, wlc_hw->corerev); } else if (D11REV_IS(wlc_hw->corerev, 24)) { if (BRCMS_ISLCNPHY(wlc_hw->band)) { @@ -2272,8 +2301,8 @@ static void brcms_ucode_download(struct brcms_hardware *wlc_hw) ucode->bcm43xx_24_lcnsz); wlc_hw->ucode_loaded = true; } else { - wiphy_err(wlc->wiphy, "%s: wl%d: unsupported phy in " - "corerev %d\n", + brcms_err(wlc_hw->d11core, + "%s: wl%d: unsupported phy in corerev %d\n", __func__, wlc_hw->unit, wlc_hw->corerev); } } @@ -2310,7 +2339,6 @@ static void brcms_b_fifoerrors(struct brcms_hardware *wlc_hw) uint unit; uint intstatus, idx; struct bcma_device *core = wlc_hw->d11core; - struct wiphy *wiphy = wlc_hw->wlc->wiphy; unit = wlc_hw->unit; @@ -2323,39 +2351,39 @@ static void brcms_b_fifoerrors(struct brcms_hardware *wlc_hw) if (!intstatus) continue; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d: intstatus%d 0x%x\n", - unit, idx, intstatus); + brcms_dbg_int(core, "wl%d: intstatus%d 0x%x\n", + unit, idx, intstatus); if (intstatus & I_RO) { - wiphy_err(wiphy, "wl%d: fifo %d: receive fifo " + brcms_err(core, "wl%d: fifo %d: receive fifo " "overflow\n", unit, idx); fatal = true; } if (intstatus & I_PC) { - wiphy_err(wiphy, "wl%d: fifo %d: descriptor error\n", - unit, idx); + brcms_err(core, "wl%d: fifo %d: descriptor error\n", + unit, idx); fatal = true; } if (intstatus & I_PD) { - wiphy_err(wiphy, "wl%d: fifo %d: data error\n", unit, + brcms_err(core, "wl%d: fifo %d: data error\n", unit, idx); fatal = true; } if (intstatus & I_DE) { - wiphy_err(wiphy, "wl%d: fifo %d: descriptor protocol " + brcms_err(core, "wl%d: fifo %d: descriptor protocol " "error\n", unit, idx); fatal = true; } if (intstatus & I_RU) - wiphy_err(wiphy, "wl%d: fifo %d: receive descriptor " + brcms_err(core, "wl%d: fifo %d: receive descriptor " "underflow\n", idx, unit); if (intstatus & I_XU) { - wiphy_err(wiphy, "wl%d: fifo %d: transmit fifo " + brcms_err(core, "wl%d: fifo %d: transmit fifo " "underflow\n", idx, unit); fatal = true; } @@ -2467,6 +2495,7 @@ static void brcms_b_tx_fifo_resume(struct brcms_hardware *wlc_hw, static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx) { static const u8 null_ether_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0}; + u8 *ethaddr = wlc_hw->wlc->pub->cur_etheraddr; if (mute_tx) { /* suspend tx fifos */ @@ -2476,8 +2505,7 @@ static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx) brcms_b_tx_fifo_suspend(wlc_hw, TX_AC_VI_FIFO); /* zero the address match register so we do not send ACKs */ - brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, - null_ether_addr); + brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, null_ether_addr); } else { /* resume tx fifos */ brcms_b_tx_fifo_resume(wlc_hw, TX_DATA_FIFO); @@ -2486,8 +2514,7 @@ static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx) brcms_b_tx_fifo_resume(wlc_hw, TX_AC_VI_FIFO); /* Restore address */ - brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, - wlc_hw->etheraddr); + brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, ethaddr); } wlc_phy_mute_upd(wlc_hw->band->pi, mute_tx, 0); @@ -2516,13 +2543,13 @@ static inline u32 wlc_intstatus(struct brcms_c_info *wlc, bool in_isr) { struct brcms_hardware *wlc_hw = wlc->hw; struct bcma_device *core = wlc_hw->d11core; - u32 macintstatus; + u32 macintstatus, mask; /* macintstatus includes a DMA interrupt summary bit */ macintstatus = bcma_read32(core, D11REGOFFS(macintstatus)); + mask = in_isr ? wlc->macintmask : wlc->defmacintmask; - BCMMSG(wlc->wiphy, "wl%d: macintstatus: 0x%x\n", wlc_hw->unit, - macintstatus); + trace_brcms_macintstatus(&core->dev, in_isr, macintstatus, mask); /* detect cardbus removed, in power down(suspend) and in reset */ if (brcms_deviceremoved(wlc)) @@ -2535,16 +2562,12 @@ static inline u32 wlc_intstatus(struct brcms_c_info *wlc, bool in_isr) return 0; /* defer unsolicited interrupts */ - macintstatus &= (in_isr ? wlc->macintmask : wlc->defmacintmask); + macintstatus &= mask; /* if not for us */ if (macintstatus == 0) return 0; - /* interrupts are already turned off for CFE build - * Caution: For CFE Turning off the interrupts again has some undesired - * consequences - */ /* turn off the interrupts */ bcma_write32(core, D11REGOFFS(macintmask), 0); (void)bcma_read32(core, D11REGOFFS(macintmask)); @@ -2587,33 +2610,31 @@ bool brcms_c_intrsupd(struct brcms_c_info *wlc) /* * First-level interrupt processing. - * Return true if this was our interrupt, false otherwise. - * *wantdpc will be set to true if further brcms_c_dpc() processing is required, + * Return true if this was our interrupt + * and if further brcms_c_dpc() processing is required, * false otherwise. */ -bool brcms_c_isr(struct brcms_c_info *wlc, bool *wantdpc) +bool brcms_c_isr(struct brcms_c_info *wlc) { struct brcms_hardware *wlc_hw = wlc->hw; u32 macintstatus; - *wantdpc = false; - if (!wlc_hw->up || !wlc->macintmask) return false; /* read and clear macintstatus and intstatus registers */ macintstatus = wlc_intstatus(wlc, true); - if (macintstatus == 0xffffffff) - wiphy_err(wlc->wiphy, "DEVICEREMOVED detected in the ISR code" - " path\n"); + if (macintstatus == 0xffffffff) { + brcms_err(wlc_hw->d11core, + "DEVICEREMOVED detected in the ISR code path\n"); + return false; + } /* it is not for us */ if (macintstatus == 0) return false; - *wantdpc = true; - /* save interrupt status bits */ wlc->macintstatus = macintstatus; @@ -2626,10 +2647,9 @@ void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc) struct brcms_hardware *wlc_hw = wlc->hw; struct bcma_device *core = wlc_hw->d11core; u32 mc, mi; - struct wiphy *wiphy = wlc->wiphy; - BCMMSG(wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit, - wlc_hw->band->bandunit); + brcms_dbg_mac80211(core, "wl%d: bandunit %d\n", wlc_hw->unit, + wlc_hw->band->bandunit); /* * Track overlapping suspend requests @@ -2644,7 +2664,7 @@ void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc) mc = bcma_read32(core, D11REGOFFS(maccontrol)); if (mc == 0xffffffff) { - wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit, + brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit, __func__); brcms_down(wlc->wl); return; @@ -2655,7 +2675,7 @@ void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc) mi = bcma_read32(core, D11REGOFFS(macintstatus)); if (mi == 0xffffffff) { - wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit, + brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit, __func__); brcms_down(wlc->wl); return; @@ -2668,10 +2688,10 @@ void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc) BRCMS_MAX_MAC_SUSPEND); if (!(bcma_read32(core, D11REGOFFS(macintstatus)) & MI_MACSSPNDD)) { - wiphy_err(wiphy, "wl%d: wlc_suspend_mac_and_wait: waited %d uS" + brcms_err(core, "wl%d: wlc_suspend_mac_and_wait: waited %d uS" " and MI_MACSSPNDD is still not on.\n", wlc_hw->unit, BRCMS_MAX_MAC_SUSPEND); - wiphy_err(wiphy, "wl%d: psmdebug 0x%08x, phydebug 0x%08x, " + brcms_err(core, "wl%d: psmdebug 0x%08x, phydebug 0x%08x, " "psm_brc 0x%04x\n", wlc_hw->unit, bcma_read32(core, D11REGOFFS(psmdebug)), bcma_read32(core, D11REGOFFS(phydebug)), @@ -2680,7 +2700,7 @@ void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc) mc = bcma_read32(core, D11REGOFFS(maccontrol)); if (mc == 0xffffffff) { - wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit, + brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit, __func__); brcms_down(wlc->wl); return; @@ -2696,8 +2716,8 @@ void brcms_c_enable_mac(struct brcms_c_info *wlc) struct bcma_device *core = wlc_hw->d11core; u32 mc, mi; - BCMMSG(wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit, - wlc->band->bandunit); + brcms_dbg_mac80211(core, "wl%d: bandunit %d\n", wlc_hw->unit, + wlc->band->bandunit); /* * Track overlapping suspend requests @@ -2740,8 +2760,6 @@ static bool brcms_b_validate_chip_access(struct brcms_hardware *wlc_hw) u32 w, val; struct wiphy *wiphy = wlc_hw->wlc->wiphy; - BCMMSG(wiphy, "wl%d\n", wlc_hw->unit); - /* Validate dchip register access */ bcma_write32(core, D11REGOFFS(objaddr), OBJADDR_SHM_SEL | 0); @@ -2802,7 +2820,7 @@ void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on) struct bcma_device *core = wlc_hw->d11core; u32 tmp; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_info(core, "wl%d\n", wlc_hw->unit); tmp = 0; @@ -2818,8 +2836,8 @@ void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on) tmp = bcma_read32(core, D11REGOFFS(clk_ctl_st)); if ((tmp & CCS_ERSRC_AVAIL_HT) != CCS_ERSRC_AVAIL_HT) - wiphy_err(wlc_hw->wlc->wiphy, "%s: turn on PHY" - " PLL failed\n", __func__); + brcms_err(core, "%s: turn on PHY PLL failed\n", + __func__); } else { bcma_set32(core, D11REGOFFS(clk_ctl_st), tmp | CCS_ERSRC_REQ_D11PLL | @@ -2835,8 +2853,8 @@ void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on) (CCS_ERSRC_AVAIL_D11PLL | CCS_ERSRC_AVAIL_PHYPLL)) != (CCS_ERSRC_AVAIL_D11PLL | CCS_ERSRC_AVAIL_PHYPLL)) - wiphy_err(wlc_hw->wlc->wiphy, "%s: turn on " - "PHY PLL failed\n", __func__); + brcms_err(core, "%s: turn on PHY PLL failed\n", + __func__); } } else { /* @@ -2854,7 +2872,7 @@ static void brcms_c_coredisable(struct brcms_hardware *wlc_hw) { bool dev_gone; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_info(wlc_hw->d11core, "wl%d: disable core\n", wlc_hw->unit); dev_gone = brcms_deviceremoved(wlc_hw->wlc); @@ -2884,12 +2902,14 @@ static void brcms_c_flushqueues(struct brcms_c_info *wlc) uint i; /* free any posted tx packets */ - for (i = 0; i < NFIFO; i++) + for (i = 0; i < NFIFO; i++) { if (wlc_hw->di[i]) { dma_txreclaim(wlc_hw->di[i], DMA_RANGE_ALL); - wlc->core->txpktpend[i] = 0; - BCMMSG(wlc->wiphy, "pktpend fifo %d clrd\n", i); + if (i < TX_BCMC_FIFO) + ieee80211_wake_queue(wlc->pub->ieee_hw, + brcms_fifo_to_ac(i)); } + } /* free any posted rx packets */ dma_rxreclaim(wlc_hw->di[RX_FIFO]); @@ -2921,7 +2941,7 @@ brcms_b_write_objmem(struct brcms_hardware *wlc_hw, uint offset, u16 v, if (offset & 2) objoff += 2; - bcma_write16(core, objoff, v); + bcma_wflush16(core, objoff, v); } /* @@ -3054,28 +3074,8 @@ static void brcms_b_antsel_set(struct brcms_hardware *wlc_hw, u32 antsel_avail) */ static bool brcms_c_ps_allowed(struct brcms_c_info *wlc) { - struct brcms_bss_cfg *cfg = wlc->bsscfg; - - /* disallow PS when one of the following global conditions meets */ - if (!wlc->pub->associated) - return false; - - /* disallow PS when one of these meets when not scanning */ - if (wlc->filter_flags & FIF_PROMISC_IN_BSS) - return false; - - if (cfg->associated) { - /* - * disallow PS when one of the following - * bsscfg specific conditions meets - */ - if (!cfg->BSS) - return false; - - return false; - } - - return true; + /* not supporting PS so always return false for now */ + return false; } static void brcms_c_statsupd(struct brcms_c_info *wlc) @@ -3109,7 +3109,7 @@ static void brcms_c_statsupd(struct brcms_c_info *wlc) /* check for rx fifo 0 overflow */ delta = (u16) (wlc->core->macstat_snapshot->rxf0ovfl - rxf0ovfl); if (delta) - wiphy_err(wlc->wiphy, "wl%d: %u rx fifo 0 overflows!\n", + brcms_err(wlc->hw->d11core, "wl%d: %u rx fifo 0 overflows!\n", wlc->pub->unit, delta); /* check for tx fifo underflows */ @@ -3118,8 +3118,9 @@ static void brcms_c_statsupd(struct brcms_c_info *wlc) (u16) (wlc->core->macstat_snapshot->txfunfl[i] - txfunfl[i]); if (delta) - wiphy_err(wlc->wiphy, "wl%d: %u tx fifo %d underflows!" - "\n", wlc->pub->unit, delta, i); + brcms_err(wlc->hw->d11core, + "wl%d: %u tx fifo %d underflows!\n", + wlc->pub->unit, delta, i); } #endif /* DEBUG */ @@ -3132,8 +3133,6 @@ static void brcms_c_statsupd(struct brcms_c_info *wlc) static void brcms_b_reset(struct brcms_hardware *wlc_hw) { - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); - /* reset the core */ if (!brcms_deviceremoved(wlc_hw->wlc)) brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS); @@ -3144,14 +3143,13 @@ static void brcms_b_reset(struct brcms_hardware *wlc_hw) void brcms_c_reset(struct brcms_c_info *wlc) { - BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); + brcms_dbg_info(wlc->hw->d11core, "wl%d\n", wlc->pub->unit); /* slurp up hw mac counters before core reset */ brcms_c_statsupd(wlc); /* reset our snapshot of macstat counters */ - memset((char *)wlc->core->macstat_snapshot, 0, - sizeof(struct macstat)); + memset(wlc->core->macstat_snapshot, 0, sizeof(struct macstat)); brcms_b_reset(wlc->hw); } @@ -3189,10 +3187,9 @@ static void brcms_b_coreinit(struct brcms_c_info *wlc) bool fifosz_fixup = false; int err = 0; u16 buf[NFIFO]; - struct wiphy *wiphy = wlc->wiphy; struct brcms_ucode *ucode = &wlc_hw->wlc->wl->ucode; - BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_info(core, "wl%d: core init\n", wlc_hw->unit); /* reset PSM */ brcms_b_mctrl(wlc_hw, ~0, (MCTL_IHR_EN | MCTL_PSM_JMP_0 | MCTL_WAKE)); @@ -3212,29 +3209,29 @@ static void brcms_b_coreinit(struct brcms_c_info *wlc) SPINWAIT(((bcma_read32(core, D11REGOFFS(macintstatus)) & MI_MACSSPNDD) == 0), 1000 * 1000); if ((bcma_read32(core, D11REGOFFS(macintstatus)) & MI_MACSSPNDD) == 0) - wiphy_err(wiphy, "wl%d: wlc_coreinit: ucode did not self-" + brcms_err(core, "wl%d: wlc_coreinit: ucode did not self-" "suspend!\n", wlc_hw->unit); brcms_c_gpio_init(wlc); sflags = bcma_aread32(core, BCMA_IOST); - if (D11REV_IS(wlc_hw->corerev, 23)) { + if (D11REV_IS(wlc_hw->corerev, 17) || D11REV_IS(wlc_hw->corerev, 23)) { if (BRCMS_ISNPHY(wlc_hw->band)) brcms_c_write_inits(wlc_hw, ucode->d11n0initvals16); else - wiphy_err(wiphy, "%s: wl%d: unsupported phy in corerev" + brcms_err(core, "%s: wl%d: unsupported phy in corerev" " %d\n", __func__, wlc_hw->unit, wlc_hw->corerev); } else if (D11REV_IS(wlc_hw->corerev, 24)) { if (BRCMS_ISLCNPHY(wlc_hw->band)) brcms_c_write_inits(wlc_hw, ucode->d11lcn0initvals24); else - wiphy_err(wiphy, "%s: wl%d: unsupported phy in corerev" + brcms_err(core, "%s: wl%d: unsupported phy in corerev" " %d\n", __func__, wlc_hw->unit, wlc_hw->corerev); } else { - wiphy_err(wiphy, "%s: wl%d: unsupported corerev %d\n", + brcms_err(core, "%s: wl%d: unsupported corerev %d\n", __func__, wlc_hw->unit, wlc_hw->corerev); } @@ -3276,7 +3273,7 @@ static void brcms_b_coreinit(struct brcms_c_info *wlc) err = -1; } if (err != 0) - wiphy_err(wiphy, "wlc_coreinit: txfifo mismatch: ucode size %d" + brcms_err(core, "wlc_coreinit: txfifo mismatch: ucode size %d" " driver size %d index %d\n", buf[i], wlc_hw->xmtfifo_sz[i], i); @@ -3359,8 +3356,6 @@ static brcms_b_init(struct brcms_hardware *wlc_hw, u16 chanspec) { bool fastclk; struct brcms_c_info *wlc = wlc_hw->wlc; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); - /* request FAST clock if not on */ fastclk = wlc_hw->forcefastclk; if (!fastclk) @@ -3453,7 +3448,7 @@ static void brcms_c_rate_lookup_init(struct brcms_c_info *wlc, rate = (rateset->rates[i] & BRCMS_RATE_MASK); if (rate > BRCM_MAXRATE) { - wiphy_err(wlc->wiphy, "brcms_c_rate_lookup_init: " + brcms_err(wlc->hw->d11core, "brcms_c_rate_lookup_init: " "invalid rate 0x%X in rate set\n", rateset->rates[i]); continue; @@ -3529,7 +3524,6 @@ static void brcms_c_bandinit_ordered(struct brcms_c_info *wlc, uint parkband; uint i, band_order[2]; - BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); /* * We might have been bandlocked during down and the chip * power-cycled (hibernate). Figure out the right band to park on @@ -3710,8 +3704,8 @@ static void brcms_c_set_ratetable(struct brcms_c_info *wlc) /* band-specific init */ static void brcms_c_bsinit(struct brcms_c_info *wlc) { - BCMMSG(wlc->wiphy, "wl%d: bandunit %d\n", - wlc->pub->unit, wlc->band->bandunit); + brcms_dbg_info(wlc->hw->d11core, "wl%d: bandunit %d\n", + wlc->pub->unit, wlc->band->bandunit); /* write ucode ACK/CTS rate table */ brcms_c_set_ratetable(wlc); @@ -3734,7 +3728,8 @@ brcms_c_duty_cycle_set(struct brcms_c_info *wlc, int duty_cycle, bool isOFDM, isOFDM ? M_TX_IDLE_BUSY_RATIO_X_16_OFDM : M_TX_IDLE_BUSY_RATIO_X_16_CCK; if (duty_cycle > 100 || duty_cycle < 0) { - wiphy_err(wlc->wiphy, "wl%d: duty cycle value off limit\n", + brcms_err(wlc->hw->d11core, + "wl%d: duty cycle value off limit\n", wlc->pub->unit); return -EINVAL; } @@ -3752,40 +3747,6 @@ brcms_c_duty_cycle_set(struct brcms_c_info *wlc, int duty_cycle, bool isOFDM, return 0; } -/* - * Initialize the base precedence map for dequeueing - * from txq based on WME settings - */ -static void brcms_c_tx_prec_map_init(struct brcms_c_info *wlc) -{ - wlc->tx_prec_map = BRCMS_PREC_BMP_ALL; - memset(wlc->fifo2prec_map, 0, NFIFO * sizeof(u16)); - - wlc->fifo2prec_map[TX_AC_BK_FIFO] = BRCMS_PREC_BMP_AC_BK; - wlc->fifo2prec_map[TX_AC_BE_FIFO] = BRCMS_PREC_BMP_AC_BE; - wlc->fifo2prec_map[TX_AC_VI_FIFO] = BRCMS_PREC_BMP_AC_VI; - wlc->fifo2prec_map[TX_AC_VO_FIFO] = BRCMS_PREC_BMP_AC_VO; -} - -static void -brcms_c_txflowcontrol_signal(struct brcms_c_info *wlc, - struct brcms_txq_info *qi, bool on, int prio) -{ - /* transmit flowcontrol is not yet implemented */ -} - -static void brcms_c_txflowcontrol_reset(struct brcms_c_info *wlc) -{ - struct brcms_txq_info *qi; - - for (qi = wlc->tx_queues; qi != NULL; qi = qi->next) { - if (qi->stopped) { - brcms_c_txflowcontrol_signal(wlc, qi, OFF, ALLPRIO); - qi->stopped = 0; - } - } -} - /* push sw hps and wake state through hardware */ static void brcms_c_set_ps_ctrl(struct brcms_c_info *wlc) { @@ -3795,7 +3756,8 @@ static void brcms_c_set_ps_ctrl(struct brcms_c_info *wlc) hps = brcms_c_ps_allowed(wlc); - BCMMSG(wlc->wiphy, "wl%d: hps %d\n", wlc->pub->unit, hps); + brcms_dbg_mac80211(wlc->hw->d11core, "wl%d: hps %d\n", wlc->pub->unit, + hps); v1 = bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol)); v2 = MCTL_WAKE; @@ -3820,7 +3782,7 @@ static int brcms_c_set_mac(struct brcms_bss_cfg *bsscfg) struct brcms_c_info *wlc = bsscfg->wlc; /* enter the MAC addr into the RXE match registers */ - brcms_c_set_addrmatch(wlc, RCM_MAC_OFFSET, bsscfg->cur_etheraddr); + brcms_c_set_addrmatch(wlc, RCM_MAC_OFFSET, wlc->pub->cur_etheraddr); brcms_c_ampdu_macaddr_upd(wlc); @@ -3836,6 +3798,15 @@ static void brcms_c_set_bssid(struct brcms_bss_cfg *bsscfg) brcms_c_set_addrmatch(bsscfg->wlc, RCM_BSSID_OFFSET, bsscfg->BSSID); } +void brcms_c_set_ssid(struct brcms_c_info *wlc, u8 *ssid, size_t ssid_len) +{ + u8 len = min_t(u8, sizeof(wlc->bsscfg->SSID), ssid_len); + memset(wlc->bsscfg->SSID, 0, sizeof(wlc->bsscfg->SSID)); + + memcpy(wlc->bsscfg->SSID, ssid, len); + wlc->bsscfg->SSID_len = len; +} + static void brcms_b_set_shortslot(struct brcms_hardware *wlc_hw, bool shortslot) { wlc_hw->shortslot = shortslot; @@ -3870,7 +3841,7 @@ static void brcms_c_set_home_chanspec(struct brcms_c_info *wlc, u16 chanspec) if (wlc->home_chanspec != chanspec) { wlc->home_chanspec = chanspec; - if (wlc->bsscfg->associated) + if (wlc->pub->associated) wlc->bsscfg->current_bss->chanspec = chanspec; } } @@ -3881,7 +3852,8 @@ brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, u16 chanspec, { uint bandunit; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d: 0x%x\n", wlc_hw->unit, chanspec); + brcms_dbg_mac80211(wlc_hw->d11core, "wl%d: 0x%x\n", wlc_hw->unit, + chanspec); wlc_hw->chanspec = chanspec; @@ -3942,7 +3914,7 @@ static void brcms_c_set_chanspec(struct brcms_c_info *wlc, u16 chanspec) u16 old_chanspec = wlc->chanspec; if (!brcms_c_valid_chanspec_db(wlc->cmi, chanspec)) { - wiphy_err(wlc->wiphy, "wl%d: %s: Bad channel %d\n", + brcms_err(wlc->hw->d11core, "wl%d: %s: Bad channel %d\n", wlc->pub->unit, __func__, CHSPEC_CHANNEL(chanspec)); return; } @@ -3953,8 +3925,8 @@ static void brcms_c_set_chanspec(struct brcms_c_info *wlc, u16 chanspec) if (wlc->band->bandunit != bandunit || wlc->bandinit_pending) { switchband = true; if (wlc->bandlocked) { - wiphy_err(wlc->wiphy, "wl%d: %s: chspec %d " - "band is locked!\n", + brcms_err(wlc->hw->d11core, + "wl%d: %s: chspec %d band is locked!\n", wlc->pub->unit, __func__, CHSPEC_CHANNEL(chanspec)); return; @@ -4018,6 +3990,10 @@ void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc, */ void brcms_c_protection_upd(struct brcms_c_info *wlc, uint idx, int val) { + /* + * Cannot use brcms_dbg_* here because this function is called + * before wlc is sufficiently initialized. + */ BCMMSG(wlc->wiphy, "idx %d, val %d\n", idx, val); switch (idx) { @@ -4090,12 +4066,12 @@ void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci, /* Only apply params if the core is out of reset and has clocks */ if (!wlc->clk) { - wiphy_err(wlc->wiphy, "wl%d: %s : no-clock\n", wlc->pub->unit, - __func__); + brcms_err(wlc->hw->d11core, "wl%d: %s : no-clock\n", + wlc->pub->unit, __func__); return; } - memset((char *)&acp_shm, 0, sizeof(struct shm_acparams)); + memset(&acp_shm, 0, sizeof(struct shm_acparams)); /* fill in shm ac params struct */ acp_shm.txop = params->txop; /* convert from units of 32us to us for ucode */ @@ -4109,7 +4085,7 @@ void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci, if (acp_shm.aifs < EDCF_AIFSN_MIN || acp_shm.aifs > EDCF_AIFSN_MAX) { - wiphy_err(wlc->wiphy, "wl%d: edcf_setparams: bad " + brcms_err(wlc->hw->d11core, "wl%d: edcf_setparams: bad " "aifs %d\n", wlc->pub->unit, acp_shm.aifs); } else { acp_shm.cwmin = params->cw_min; @@ -4135,10 +4111,14 @@ void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci, *shm_entry++); } - if (suspend) { + if (suspend) brcms_c_suspend_mac_and_wait(wlc); + + brcms_c_update_beacon(wlc); + brcms_c_update_probe_resp(wlc, false); + + if (suspend) brcms_c_enable_mac(wlc); - } } static void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend) @@ -4224,8 +4204,8 @@ static void brcms_c_radio_timer(void *arg) struct brcms_c_info *wlc = (struct brcms_c_info *) arg; if (brcms_deviceremoved(wlc)) { - wiphy_err(wlc->wiphy, "wl%d: %s: dead chip\n", wlc->pub->unit, - __func__); + brcms_err(wlc->hw->d11core, "wl%d: %s: dead chip\n", + wlc->pub->unit, __func__); brcms_down(wlc->wl); return; } @@ -4238,8 +4218,6 @@ static void brcms_b_watchdog(struct brcms_c_info *wlc) { struct brcms_hardware *wlc_hw = wlc->hw; - BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit); - if (!wlc_hw->up) return; @@ -4258,14 +4236,14 @@ static void brcms_b_watchdog(struct brcms_c_info *wlc) /* common watchdog code */ static void brcms_c_watchdog(struct brcms_c_info *wlc) { - BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); + brcms_dbg_info(wlc->hw->d11core, "wl%d\n", wlc->pub->unit); if (!wlc->pub->up) return; if (brcms_deviceremoved(wlc)) { - wiphy_err(wlc->wiphy, "wl%d: %s: dead chip\n", wlc->pub->unit, - __func__); + brcms_err(wlc->hw->d11core, "wl%d: %s: dead chip\n", + wlc->pub->unit, __func__); brcms_down(wlc->wl); return; } @@ -4378,7 +4356,6 @@ static void brcms_c_info_init(struct brcms_c_info *wlc, int unit) /* WME QoS mode is Auto by default */ wlc->pub->_ampdu = AMPDU_AGG_HOST; - wlc->pub->bcmerror = 0; } static uint brcms_c_attach_module(struct brcms_c_info *wlc) @@ -4437,13 +4414,13 @@ static int brcms_b_attach(struct brcms_c_info *wlc, struct bcma_device *core, struct ssb_sprom *sprom = &core->bus->sprom; if (core->bus->hosttype == BCMA_HOSTTYPE_PCI) - BCMMSG(wlc->wiphy, "wl%d: vendor 0x%x device 0x%x\n", unit, - pcidev->vendor, - pcidev->device); + brcms_dbg_info(core, "wl%d: vendor 0x%x device 0x%x\n", unit, + pcidev->vendor, + pcidev->device); else - BCMMSG(wlc->wiphy, "wl%d: vendor 0x%x device 0x%x\n", unit, - core->bus->boardinfo.vendor, - core->bus->boardinfo.type); + brcms_dbg_info(core, "wl%d: vendor 0x%x device 0x%x\n", unit, + core->bus->boardinfo.vendor, + core->bus->boardinfo.type); wme = true; @@ -4535,7 +4512,8 @@ static int brcms_b_attach(struct brcms_c_info *wlc, struct bcma_device *core, /* check device id(srom, nvram etc.) to set bands */ if (wlc_hw->deviceid == BCM43224_D11N_ID || - wlc_hw->deviceid == BCM43224_D11N_ID_VEN1) + wlc_hw->deviceid == BCM43224_D11N_ID_VEN1 || + wlc_hw->deviceid == BCM43224_CHIP_ID) /* Dualband boards */ wlc_hw->_nbands = 2; else @@ -4674,7 +4652,9 @@ static int brcms_b_attach(struct brcms_c_info *wlc, struct bcma_device *core, wlc->band->phyrev = wlc_hw->band->phyrev; wlc->band->radioid = wlc_hw->band->radioid; wlc->band->radiorev = wlc_hw->band->radiorev; - + brcms_dbg_info(core, "wl%d: phy %u/%u radio %x/%u\n", unit, + wlc->band->phytype, wlc->band->phyrev, + wlc->band->radioid, wlc->band->radiorev); /* default contention windows size limits */ wlc_hw->band->CWmin = APHY_CWMIN; wlc_hw->band->CWmax = PHY_CWMAX; @@ -4689,7 +4669,7 @@ static int brcms_b_attach(struct brcms_c_info *wlc, struct bcma_device *core, brcms_c_coredisable(wlc_hw); /* Match driver "down" state */ - ai_pci_down(wlc_hw->sih); + bcma_core_pci_down(wlc_hw->d11core->bus); /* turn off pll and xtal to match driver "down" state */ brcms_b_xtal(wlc_hw, OFF); @@ -4715,8 +4695,9 @@ static int brcms_b_attach(struct brcms_c_info *wlc, struct bcma_device *core, goto fail; } - BCMMSG(wlc->wiphy, "deviceid 0x%x nbands %d board 0x%x\n", - wlc_hw->deviceid, wlc_hw->_nbands, ai_get_boardtype(wlc_hw->sih)); + brcms_dbg_info(wlc_hw->d11core, "deviceid 0x%x nbands %d board 0x%x\n", + wlc_hw->deviceid, wlc_hw->_nbands, + ai_get_boardtype(wlc_hw->sih)); return err; @@ -4811,7 +4792,7 @@ static void brcms_c_bss_default_init(struct brcms_c_info *wlc) struct brcms_bss_info *bi = wlc->default_bss; /* init default and target BSS with some sane initial values */ - memset((char *)(bi), 0, sizeof(struct brcms_bss_info)); + memset(bi, 0, sizeof(*bi)); bi->beacon_period = BEACON_INTERVAL_DEFAULT; /* fill the default channel as the first valid channel @@ -4836,56 +4817,6 @@ static void brcms_c_bss_default_init(struct brcms_c_info *wlc) bi->flags |= BRCMS_BSS_HT; } -static struct brcms_txq_info *brcms_c_txq_alloc(struct brcms_c_info *wlc) -{ - struct brcms_txq_info *qi, *p; - - qi = kzalloc(sizeof(struct brcms_txq_info), GFP_ATOMIC); - if (qi != NULL) { - /* - * Have enough room for control packets along with HI watermark - * Also, add room to txq for total psq packets if all the SCBs - * leave PS mode. The watermark for flowcontrol to OS packets - * will remain the same - */ - brcmu_pktq_init(&qi->q, BRCMS_PREC_COUNT, - 2 * BRCMS_DATAHIWAT + PKTQ_LEN_DEFAULT); - - /* add this queue to the the global list */ - p = wlc->tx_queues; - if (p == NULL) { - wlc->tx_queues = qi; - } else { - while (p->next != NULL) - p = p->next; - p->next = qi; - } - } - return qi; -} - -static void brcms_c_txq_free(struct brcms_c_info *wlc, - struct brcms_txq_info *qi) -{ - struct brcms_txq_info *p; - - if (qi == NULL) - return; - - /* remove the queue from the linked list */ - p = wlc->tx_queues; - if (p == qi) - wlc->tx_queues = p->next; - else { - while (p != NULL && p->next != qi) - p = p->next; - if (p != NULL) - p->next = p->next->next; - } - - kfree(qi); -} - static void brcms_c_update_mimo_band_bwcap(struct brcms_c_info *wlc, u8 bwcap) { uint i; @@ -4939,14 +4870,11 @@ static void brcms_c_detach_module(struct brcms_c_info *wlc) /* * low level detach */ -static int brcms_b_detach(struct brcms_c_info *wlc) +static void brcms_b_detach(struct brcms_c_info *wlc) { uint i; struct brcms_hw_band *band; struct brcms_hardware *wlc_hw = wlc->hw; - int callbacks; - - callbacks = 0; brcms_b_detach_dmapio(wlc_hw); @@ -4969,9 +4897,6 @@ static int brcms_b_detach(struct brcms_c_info *wlc) ai_detach(wlc_hw->sih); wlc_hw->sih = NULL; } - - return callbacks; - } /* @@ -4986,16 +4911,15 @@ static int brcms_b_detach(struct brcms_c_info *wlc) */ uint brcms_c_detach(struct brcms_c_info *wlc) { - uint callbacks = 0; + uint callbacks; if (wlc == NULL) return 0; - BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); - - callbacks += brcms_b_detach(wlc); + brcms_b_detach(wlc); /* delete software timers */ + callbacks = 0; if (!brcms_c_radio_monitor_stop(wlc)) callbacks++; @@ -5005,10 +4929,6 @@ uint brcms_c_detach(struct brcms_c_info *wlc) brcms_c_detach_module(wlc); - - while (wlc->tx_queues != NULL) - brcms_c_txq_free(wlc, wlc->tx_queues); - brcms_c_detach_mfree(wlc); return callbacks; } @@ -5026,7 +4946,7 @@ static void brcms_b_hw_up(struct brcms_hardware *wlc_hw) if (wlc_hw->wlc->pub->hw_up) return; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_info(wlc_hw->d11core, "wl%d\n", wlc_hw->unit); /* * Enable pll and xtal, initialize the power control registers, @@ -5063,7 +4983,7 @@ static void brcms_b_hw_up(struct brcms_hardware *wlc_hw) static int brcms_b_up_prep(struct brcms_hardware *wlc_hw) { - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); + brcms_dbg_info(wlc_hw->d11core, "wl%d\n", wlc_hw->unit); /* * Enable pll and xtal, initialize the power control registers, @@ -5077,7 +4997,7 @@ static int brcms_b_up_prep(struct brcms_hardware *wlc_hw) * Configure pci/pcmcia here instead of in brcms_c_attach() * to allow mfg hotswap: down, hotswap (chip power cycle), up. */ - bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci, wlc_hw->d11core, + bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci[0], wlc_hw->d11core, true); /* @@ -5087,12 +5007,12 @@ static int brcms_b_up_prep(struct brcms_hardware *wlc_hw) */ if (brcms_b_radio_read_hwdisabled(wlc_hw)) { /* put SB PCI in down state again */ - ai_pci_down(wlc_hw->sih); + bcma_core_pci_down(wlc_hw->d11core->bus); brcms_b_xtal(wlc_hw, OFF); return -ENOMEDIUM; } - ai_pci_up(wlc_hw->sih); + bcma_core_pci_up(wlc_hw->d11core->bus); /* reset the d11 core */ brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS); @@ -5102,8 +5022,6 @@ static int brcms_b_up_prep(struct brcms_hardware *wlc_hw) static int brcms_b_up_finish(struct brcms_hardware *wlc_hw) { - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); - wlc_hw->up = true; wlc_phy_hw_state_upd(wlc_hw->band->pi, true); @@ -5135,7 +5053,7 @@ int brcms_c_up(struct brcms_c_info *wlc) { struct ieee80211_channel *ch; - BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); + brcms_dbg_info(wlc->hw->d11core, "wl%d\n", wlc->pub->unit); /* HW is turned off so don't try to access it */ if (wlc->pub->hw_off || brcms_deviceremoved(wlc)) @@ -5174,10 +5092,10 @@ int brcms_c_up(struct brcms_c_info *wlc) struct brcms_bss_cfg *bsscfg = wlc->bsscfg; mboolset(wlc->pub->radio_disabled, WL_RADIO_HW_DISABLE); - - if (bsscfg->enable && bsscfg->BSS) - wiphy_err(wlc->wiphy, "wl%d: up" - ": rfdisable -> " + if (bsscfg->type == BRCMS_TYPE_STATION || + bsscfg->type == BRCMS_TYPE_ADHOC) + brcms_err(wlc->hw->d11core, + "wl%d: up: rfdisable -> " "bsscfg_disable()\n", wlc->pub->unit); } @@ -5201,7 +5119,7 @@ int brcms_c_up(struct brcms_c_info *wlc) wlc->pub->up = true; if (wlc->bandinit_pending) { - ch = wlc->pub->ieee_hw->conf.channel; + ch = wlc->pub->ieee_hw->conf.chandef.chan; brcms_c_suspend_mac_and_wait(wlc); brcms_c_set_chanspec(wlc, ch20mhz_chspec(ch->hw_value)); wlc->bandinit_pending = false; @@ -5237,8 +5155,6 @@ static int brcms_b_bmac_down_prep(struct brcms_hardware *wlc_hw) bool dev_gone; uint callbacks = 0; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); - if (!wlc_hw->up) return callbacks; @@ -5265,8 +5181,6 @@ static int brcms_b_down_finish(struct brcms_hardware *wlc_hw) uint callbacks = 0; bool dev_gone; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); - if (!wlc_hw->up) return callbacks; @@ -5295,7 +5209,7 @@ static int brcms_b_down_finish(struct brcms_hardware *wlc_hw) /* turn off primary xtal and pll */ if (!wlc_hw->noreset) { - ai_pci_down(wlc_hw->sih); + bcma_core_pci_down(wlc_hw->d11core->bus); brcms_b_xtal(wlc_hw, OFF); } } @@ -5314,14 +5228,14 @@ uint brcms_c_down(struct brcms_c_info *wlc) uint callbacks = 0; int i; bool dev_gone = false; - struct brcms_txq_info *qi; - BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); + brcms_dbg_info(wlc->hw->d11core, "wl%d\n", wlc->pub->unit); /* check if we are already in the going down path */ if (wlc->going_down) { - wiphy_err(wlc->wiphy, "wl%d: %s: Driver going down so return" - "\n", wlc->pub->unit, __func__); + brcms_err(wlc->hw->d11core, + "wl%d: %s: Driver going down so return\n", + wlc->pub->unit, __func__); return 0; } if (!wlc->pub->up) @@ -5353,13 +5267,6 @@ uint brcms_c_down(struct brcms_c_info *wlc) wlc_phy_mute_upd(wlc->band->pi, false, PHY_MUTE_ALL); - /* clear txq flow control */ - brcms_c_txflowcontrol_reset(wlc); - - /* flush tx queues */ - for (qi = wlc->tx_queues; qi != NULL; qi = qi->next) - brcmu_pktq_flush(&qi->q, true, NULL, NULL); - callbacks += brcms_b_down_finish(wlc->hw); /* brcms_b_down_finish has done brcms_c_coredisable(). so clk is off */ @@ -5409,7 +5316,7 @@ int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config) brcms_c_protection_upd(wlc, BRCMS_PROT_G_USER, gmode); /* Clear rateset override */ - memset(&rs, 0, sizeof(struct brcms_c_rateset)); + memset(&rs, 0, sizeof(rs)); switch (gmode) { case GMODE_LEGACY_B: @@ -5441,7 +5348,7 @@ int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config) default: /* Error */ - wiphy_err(wlc->wiphy, "wl%d: %s: invalid gmode %d\n", + brcms_err(wlc->hw->d11core, "wl%d: %s: invalid gmode %d\n", wlc->pub->unit, __func__, gmode); return -ENOTSUPP; } @@ -5547,7 +5454,7 @@ static void brcms_c_ofdm_rateset_war(struct brcms_c_info *wlc) u8 r; bool war = false; - if (wlc->bsscfg->associated) + if (wlc->pub->associated) r = wlc->bsscfg->current_bss->rateset.rates[0]; else r = wlc->default_bss->rateset.rates[0]; @@ -5632,7 +5539,7 @@ int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs) if (rs->count > BRCMS_NUMRATES) return -ENOBUFS; - memset(&internal_rs, 0, sizeof(struct brcms_c_rateset)); + memset(&internal_rs, 0, sizeof(internal_rs)); /* Copy only legacy rateset section */ internal_rs.count = rs->count; @@ -5641,7 +5548,7 @@ int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs) /* merge rateset coming in with the current mcsset */ if (wlc->pub->_n_enab & SUPPORT_11N) { struct brcms_bss_info *mcsset_bss; - if (wlc->bsscfg->associated) + if (wlc->pub->associated) mcsset_bss = wlc->bsscfg->current_bss; else mcsset_bss = wlc->default_bss; @@ -5656,13 +5563,36 @@ int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs) return bcmerror; } +static void brcms_c_time_lock(struct brcms_c_info *wlc) +{ + bcma_set32(wlc->hw->d11core, D11REGOFFS(maccontrol), MCTL_TBTTHOLD); + /* Commit the write */ + bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol)); +} + +static void brcms_c_time_unlock(struct brcms_c_info *wlc) +{ + bcma_mask32(wlc->hw->d11core, D11REGOFFS(maccontrol), ~MCTL_TBTTHOLD); + /* Commit the write */ + bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol)); +} + int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period) { - if (period < DOT11_MIN_BEACON_PERIOD || - period > DOT11_MAX_BEACON_PERIOD) + u32 bcnint_us; + + if (period == 0) return -EINVAL; wlc->default_bss->beacon_period = period; + + bcnint_us = period << 10; + brcms_c_time_lock(wlc); + bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_cfprep), + (bcnint_us << CFPREP_CBI_SHIFT)); + bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_cfpstart), bcnint_us); + brcms_c_time_unlock(wlc); + return 0; } @@ -5736,7 +5666,7 @@ int brcms_c_module_unregister(struct brcms_pub *pub, const char *name, for (i = 0; i < BRCMS_MAXMODULES; i++) { if (!strcmp(wlc->modulecb[i].name, name) && (wlc->modulecb[i].hdl == hdl)) { - memset(&wlc->modulecb[i], 0, sizeof(struct modulecb)); + memset(&wlc->modulecb[i], 0, sizeof(wlc->modulecb[i])); return 0; } } @@ -5745,45 +5675,6 @@ int brcms_c_module_unregister(struct brcms_pub *pub, const char *name, return -ENODATA; } -void brcms_c_print_txstatus(struct tx_status *txs) -{ - pr_debug("\ntxpkt (MPDU) Complete\n"); - - pr_debug("FrameID: %04x TxStatus: %04x\n", txs->frameid, txs->status); - - pr_debug("[15:12] %d frame attempts\n", - (txs->status & TX_STATUS_FRM_RTX_MASK) >> - TX_STATUS_FRM_RTX_SHIFT); - pr_debug(" [11:8] %d rts attempts\n", - (txs->status & TX_STATUS_RTS_RTX_MASK) >> - TX_STATUS_RTS_RTX_SHIFT); - pr_debug(" [7] %d PM mode indicated\n", - txs->status & TX_STATUS_PMINDCTD ? 1 : 0); - pr_debug(" [6] %d intermediate status\n", - txs->status & TX_STATUS_INTERMEDIATE ? 1 : 0); - pr_debug(" [5] %d AMPDU\n", - txs->status & TX_STATUS_AMPDU ? 1 : 0); - pr_debug(" [4:2] %d Frame Suppressed Reason (%s)\n", - (txs->status & TX_STATUS_SUPR_MASK) >> TX_STATUS_SUPR_SHIFT, - (const char *[]) { - "None", - "PMQ Entry", - "Flush request", - "Previous frag failure", - "Channel mismatch", - "Lifetime Expiry", - "Underflow" - } [(txs->status & TX_STATUS_SUPR_MASK) >> - TX_STATUS_SUPR_SHIFT]); - pr_debug(" [1] %d acked\n", - txs->status & TX_STATUS_ACK_RCV ? 1 : 0); - - pr_debug("LastTxTime: %04x Seq: %04x PHYTxStatus: %04x RxAckRSSI: %04x RxAckSQ: %04x\n", - txs->lasttxtime, txs->sequence, txs->phyerr, - (txs->ackphyrxsh & PRXS1_JSSI_MASK) >> PRXS1_JSSI_SHIFT, - (txs->ackphyrxsh & PRXS1_SQ_MASK) >> PRXS1_SQ_SHIFT); -} - static bool brcms_c_chipmatch_pci(struct bcma_device *core) { struct pci_dev *pcidev = core->bus->host_pci; @@ -5795,11 +5686,11 @@ static bool brcms_c_chipmatch_pci(struct bcma_device *core) return false; } - if (device == BCM43224_D11N_ID_VEN1) + if (device == BCM43224_D11N_ID_VEN1 || device == BCM43224_CHIP_ID) return true; if ((device == BCM43224_D11N_ID) || (device == BCM43225_D11N2G_ID)) return true; - if (device == BCM4313_D11N2G_ID) + if (device == BCM4313_D11N2G_ID || device == BCM4313_CHIP_ID) return true; if ((device == BCM43236_D11N_ID) || (device == BCM43236_D11N2G_ID)) return true; @@ -5832,184 +5723,6 @@ bool brcms_c_chipmatch(struct bcma_device *core) } } -#if defined(DEBUG) -void brcms_c_print_txdesc(struct d11txh *txh) -{ - u16 mtcl = le16_to_cpu(txh->MacTxControlLow); - u16 mtch = le16_to_cpu(txh->MacTxControlHigh); - u16 mfc = le16_to_cpu(txh->MacFrameControl); - u16 tfest = le16_to_cpu(txh->TxFesTimeNormal); - u16 ptcw = le16_to_cpu(txh->PhyTxControlWord); - u16 ptcw_1 = le16_to_cpu(txh->PhyTxControlWord_1); - u16 ptcw_1_Fbr = le16_to_cpu(txh->PhyTxControlWord_1_Fbr); - u16 ptcw_1_Rts = le16_to_cpu(txh->PhyTxControlWord_1_Rts); - u16 ptcw_1_FbrRts = le16_to_cpu(txh->PhyTxControlWord_1_FbrRts); - u16 mainrates = le16_to_cpu(txh->MainRates); - u16 xtraft = le16_to_cpu(txh->XtraFrameTypes); - u8 *iv = txh->IV; - u8 *ra = txh->TxFrameRA; - u16 tfestfb = le16_to_cpu(txh->TxFesTimeFallback); - u8 *rtspfb = txh->RTSPLCPFallback; - u16 rtsdfb = le16_to_cpu(txh->RTSDurFallback); - u8 *fragpfb = txh->FragPLCPFallback; - u16 fragdfb = le16_to_cpu(txh->FragDurFallback); - u16 mmodelen = le16_to_cpu(txh->MModeLen); - u16 mmodefbrlen = le16_to_cpu(txh->MModeFbrLen); - u16 tfid = le16_to_cpu(txh->TxFrameID); - u16 txs = le16_to_cpu(txh->TxStatus); - u16 mnmpdu = le16_to_cpu(txh->MaxNMpdus); - u16 mabyte = le16_to_cpu(txh->MaxABytes_MRT); - u16 mabyte_f = le16_to_cpu(txh->MaxABytes_FBR); - u16 mmbyte = le16_to_cpu(txh->MinMBytes); - - u8 *rtsph = txh->RTSPhyHeader; - struct ieee80211_rts rts = txh->rts_frame; - - /* add plcp header along with txh descriptor */ - brcmu_dbg_hex_dump(txh, sizeof(struct d11txh) + 48, - "Raw TxDesc + plcp header:\n"); - - pr_debug("TxCtlLow: %04x ", mtcl); - pr_debug("TxCtlHigh: %04x ", mtch); - pr_debug("FC: %04x ", mfc); - pr_debug("FES Time: %04x\n", tfest); - pr_debug("PhyCtl: %04x%s ", ptcw, - (ptcw & PHY_TXC_SHORT_HDR) ? " short" : ""); - pr_debug("PhyCtl_1: %04x ", ptcw_1); - pr_debug("PhyCtl_1_Fbr: %04x\n", ptcw_1_Fbr); - pr_debug("PhyCtl_1_Rts: %04x ", ptcw_1_Rts); - pr_debug("PhyCtl_1_Fbr_Rts: %04x\n", ptcw_1_FbrRts); - pr_debug("MainRates: %04x ", mainrates); - pr_debug("XtraFrameTypes: %04x ", xtraft); - pr_debug("\n"); - - print_hex_dump_bytes("SecIV:", DUMP_PREFIX_OFFSET, iv, sizeof(txh->IV)); - print_hex_dump_bytes("RA:", DUMP_PREFIX_OFFSET, - ra, sizeof(txh->TxFrameRA)); - - pr_debug("Fb FES Time: %04x ", tfestfb); - print_hex_dump_bytes("Fb RTS PLCP:", DUMP_PREFIX_OFFSET, - rtspfb, sizeof(txh->RTSPLCPFallback)); - pr_debug("RTS DUR: %04x ", rtsdfb); - print_hex_dump_bytes("PLCP:", DUMP_PREFIX_OFFSET, - fragpfb, sizeof(txh->FragPLCPFallback)); - pr_debug("DUR: %04x", fragdfb); - pr_debug("\n"); - - pr_debug("MModeLen: %04x ", mmodelen); - pr_debug("MModeFbrLen: %04x\n", mmodefbrlen); - - pr_debug("FrameID: %04x\n", tfid); - pr_debug("TxStatus: %04x\n", txs); - - pr_debug("MaxNumMpdu: %04x\n", mnmpdu); - pr_debug("MaxAggbyte: %04x\n", mabyte); - pr_debug("MaxAggbyte_fb: %04x\n", mabyte_f); - pr_debug("MinByte: %04x\n", mmbyte); - - print_hex_dump_bytes("RTS PLCP:", DUMP_PREFIX_OFFSET, - rtsph, sizeof(txh->RTSPhyHeader)); - print_hex_dump_bytes("RTS Frame:", DUMP_PREFIX_OFFSET, - (u8 *)&rts, sizeof(txh->rts_frame)); - pr_debug("\n"); -} -#endif /* defined(DEBUG) */ - -#if defined(DEBUG) -static int -brcms_c_format_flags(const struct brcms_c_bit_desc *bd, u32 flags, char *buf, - int len) -{ - int i; - char *p = buf; - char hexstr[16]; - int slen = 0, nlen = 0; - u32 bit; - const char *name; - - if (len < 2 || !buf) - return 0; - - buf[0] = '\0'; - - for (i = 0; flags != 0; i++) { - bit = bd[i].bit; - name = bd[i].name; - if (bit == 0 && flags != 0) { - /* print any unnamed bits */ - snprintf(hexstr, 16, "0x%X", flags); - name = hexstr; - flags = 0; /* exit loop */ - } else if ((flags & bit) == 0) - continue; - flags &= ~bit; - nlen = strlen(name); - slen += nlen; - /* count btwn flag space */ - if (flags != 0) - slen += 1; - /* need NULL char as well */ - if (len <= slen) - break; - /* copy NULL char but don't count it */ - strncpy(p, name, nlen + 1); - p += nlen; - /* copy btwn flag space and NULL char */ - if (flags != 0) - p += snprintf(p, 2, " "); - len -= slen; - } - - /* indicate the str was too short */ - if (flags != 0) { - if (len < 2) - p -= 2 - len; /* overwrite last char */ - p += snprintf(p, 2, ">"); - } - - return (int)(p - buf); -} -#endif /* defined(DEBUG) */ - -#if defined(DEBUG) -void brcms_c_print_rxh(struct d11rxhdr *rxh) -{ - u16 len = rxh->RxFrameSize; - u16 phystatus_0 = rxh->PhyRxStatus_0; - u16 phystatus_1 = rxh->PhyRxStatus_1; - u16 phystatus_2 = rxh->PhyRxStatus_2; - u16 phystatus_3 = rxh->PhyRxStatus_3; - u16 macstatus1 = rxh->RxStatus1; - u16 macstatus2 = rxh->RxStatus2; - char flagstr[64]; - char lenbuf[20]; - static const struct brcms_c_bit_desc macstat_flags[] = { - {RXS_FCSERR, "FCSErr"}, - {RXS_RESPFRAMETX, "Reply"}, - {RXS_PBPRES, "PADDING"}, - {RXS_DECATMPT, "DeCr"}, - {RXS_DECERR, "DeCrErr"}, - {RXS_BCNSENT, "Bcn"}, - {0, NULL} - }; - - brcmu_dbg_hex_dump(rxh, sizeof(struct d11rxhdr), "Raw RxDesc:\n"); - - brcms_c_format_flags(macstat_flags, macstatus1, flagstr, 64); - - snprintf(lenbuf, sizeof(lenbuf), "0x%x", len); - - pr_debug("RxFrameSize: %6s (%d)%s\n", lenbuf, len, - (rxh->PhyRxStatus_0 & PRXS0_SHORTH) ? " short preamble" : ""); - pr_debug("RxPHYStatus: %04x %04x %04x %04x\n", - phystatus_0, phystatus_1, phystatus_2, phystatus_3); - pr_debug("RxMACStatus: %x %s\n", macstatus1, flagstr); - pr_debug("RXMACaggtype: %x\n", - (macstatus2 & RXS_AGGTYPE_MASK)); - pr_debug("RxTSFTime: %04x\n", rxh->RxTSFTime); -} -#endif /* defined(DEBUG) */ - u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate) { u16 table_ptr; @@ -6033,86 +5746,6 @@ u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate) return 2 * brcms_b_read_shm(wlc_hw, table_ptr + (index * 2)); } -static bool -brcms_c_prec_enq_head(struct brcms_c_info *wlc, struct pktq *q, - struct sk_buff *pkt, int prec, bool head) -{ - struct sk_buff *p; - int eprec = -1; /* precedence to evict from */ - - /* Determine precedence from which to evict packet, if any */ - if (pktq_pfull(q, prec)) - eprec = prec; - else if (pktq_full(q)) { - p = brcmu_pktq_peek_tail(q, &eprec); - if (eprec > prec) { - wiphy_err(wlc->wiphy, "%s: Failing: eprec %d > prec %d" - "\n", __func__, eprec, prec); - return false; - } - } - - /* Evict if needed */ - if (eprec >= 0) { - bool discard_oldest; - - discard_oldest = ac_bitmap_tst(0, eprec); - - /* Refuse newer packet unless configured to discard oldest */ - if (eprec == prec && !discard_oldest) { - wiphy_err(wlc->wiphy, "%s: No where to go, prec == %d" - "\n", __func__, prec); - return false; - } - - /* Evict packet according to discard policy */ - p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) : - brcmu_pktq_pdeq_tail(q, eprec); - brcmu_pkt_buf_free_skb(p); - } - - /* Enqueue */ - if (head) - p = brcmu_pktq_penq_head(q, prec, pkt); - else - p = brcmu_pktq_penq(q, prec, pkt); - - return true; -} - -/* - * Attempts to queue a packet onto a multiple-precedence queue, - * if necessary evicting a lower precedence packet from the queue. - * - * 'prec' is the precedence number that has already been mapped - * from the packet priority. - * - * Returns true if packet consumed (queued), false if not. - */ -static bool brcms_c_prec_enq(struct brcms_c_info *wlc, struct pktq *q, - struct sk_buff *pkt, int prec) -{ - return brcms_c_prec_enq_head(wlc, q, pkt, prec, false); -} - -void brcms_c_txq_enq(struct brcms_c_info *wlc, struct scb *scb, - struct sk_buff *sdu, uint prec) -{ - struct brcms_txq_info *qi = wlc->pkt_queue; /* Check me */ - struct pktq *q = &qi->q; - int prio; - - prio = sdu->priority; - - if (!brcms_c_prec_enq(wlc, q, sdu, prec)) { - /* - * we might hit this condtion in case - * packet flooding from mac80211 stack - */ - brcmu_pkt_buf_free_skb(sdu); - } -} - /* * bcmc_fid_generate: * Generate frame ID for a BCMC packet. The frag field is not used @@ -6140,8 +5773,6 @@ brcms_c_calc_ack_time(struct brcms_c_info *wlc, u32 rspec, { uint dur = 0; - BCMMSG(wlc->wiphy, "wl%d: rspec 0x%x, preamble_type %d\n", - wlc->pub->unit, rspec, preamble_type); /* * Spec 9.6: ack rate is the highest rate in BSSBasicRateSet that * is less than or equal to the rate of the immediately previous @@ -6159,8 +5790,6 @@ static uint brcms_c_calc_cts_time(struct brcms_c_info *wlc, u32 rspec, u8 preamble_type) { - BCMMSG(wlc->wiphy, "wl%d: ratespec 0x%x, preamble_type %d\n", - wlc->pub->unit, rspec, preamble_type); return brcms_c_calc_ack_time(wlc, rspec, preamble_type); } @@ -6168,8 +5797,6 @@ static uint brcms_c_calc_ba_time(struct brcms_c_info *wlc, u32 rspec, u8 preamble_type) { - BCMMSG(wlc->wiphy, "wl%d: rspec 0x%x, " - "preamble_type %d\n", wlc->pub->unit, rspec, preamble_type); /* * Spec 9.6: ack rate is the highest rate in BSSBasicRateSet that * is less than or equal to the rate of the immediately previous @@ -6223,9 +5850,6 @@ brcms_c_calc_frame_len(struct brcms_c_info *wlc, u32 ratespec, uint nsyms, mac_len, Ndps, kNdps; uint rate = rspec2rate(ratespec); - BCMMSG(wlc->wiphy, "wl%d: rspec 0x%x, preamble_type %d, dur %d\n", - wlc->pub->unit, ratespec, preamble_type, dur); - if (is_mcs_rate(ratespec)) { uint mcs = ratespec & RSPEC_RATE_MASK; int tot_streams = mcs_2_txstreams(mcs) + rspec_stc(ratespec); @@ -6292,7 +5916,7 @@ static bool brcms_c_valid_rate(struct brcms_c_info *wlc, u32 rspec, int band, return true; error: if (verbose) - wiphy_err(wlc->wiphy, "wl%d: valid_rate: rate spec 0x%x " + brcms_err(wlc->hw->d11core, "wl%d: valid_rate: rate spec 0x%x " "not in hw_rateset\n", wlc->pub->unit, rspec); return false; @@ -6302,6 +5926,7 @@ static u32 mac80211_wlc_set_nrate(struct brcms_c_info *wlc, struct brcms_band *cur_band, u32 int_val) { + struct bcma_device *core = wlc->hw->d11core; u8 stf = (int_val & NRATE_STF_MASK) >> NRATE_STF_SHIFT; u8 rate = int_val & NRATE_RATE_MASK; u32 rspec; @@ -6318,7 +5943,7 @@ mac80211_wlc_set_nrate(struct brcms_c_info *wlc, struct brcms_band *cur_band, if ((wlc->pub->_n_enab & SUPPORT_11N) && ismcs) { /* mcs only allowed when nmode */ if (stf > PHY_TXC1_MODE_SDM) { - wiphy_err(wlc->wiphy, "wl%d: %s: Invalid stf\n", + brcms_err(core, "wl%d: %s: Invalid stf\n", wlc->pub->unit, __func__); bcmerror = -EINVAL; goto done; @@ -6329,8 +5954,8 @@ mac80211_wlc_set_nrate(struct brcms_c_info *wlc, struct brcms_band *cur_band, if (!CHSPEC_IS40(wlc->home_chanspec) || ((stf != PHY_TXC1_MODE_SISO) && (stf != PHY_TXC1_MODE_CDD))) { - wiphy_err(wlc->wiphy, "wl%d: %s: Invalid mcs " - "32\n", wlc->pub->unit, __func__); + brcms_err(core, "wl%d: %s: Invalid mcs 32\n", + wlc->pub->unit, __func__); bcmerror = -EINVAL; goto done; } @@ -6338,9 +5963,9 @@ mac80211_wlc_set_nrate(struct brcms_c_info *wlc, struct brcms_band *cur_band, } else if (rate > HIGHEST_SINGLE_STREAM_MCS) { /* mcs > 7 must use stf SDM */ if (stf != PHY_TXC1_MODE_SDM) { - BCMMSG(wlc->wiphy, "wl%d: enabling " - "SDM mode for mcs %d\n", - wlc->pub->unit, rate); + brcms_dbg_mac80211(core, "wl%d: enabling " + "SDM mode for mcs %d\n", + wlc->pub->unit, rate); stf = PHY_TXC1_MODE_SDM; } } else { @@ -6351,15 +5976,15 @@ mac80211_wlc_set_nrate(struct brcms_c_info *wlc, struct brcms_band *cur_band, if ((stf > PHY_TXC1_MODE_STBC) || (!BRCMS_STBC_CAP_PHY(wlc) && (stf == PHY_TXC1_MODE_STBC))) { - wiphy_err(wlc->wiphy, "wl%d: %s: Invalid STBC" - "\n", wlc->pub->unit, __func__); + brcms_err(core, "wl%d: %s: Invalid STBC\n", + wlc->pub->unit, __func__); bcmerror = -EINVAL; goto done; } } } else if (is_ofdm_rate(rate)) { if ((stf != PHY_TXC1_MODE_CDD) && (stf != PHY_TXC1_MODE_SISO)) { - wiphy_err(wlc->wiphy, "wl%d: %s: Invalid OFDM\n", + brcms_err(core, "wl%d: %s: Invalid OFDM\n", wlc->pub->unit, __func__); bcmerror = -EINVAL; goto done; @@ -6367,20 +5992,20 @@ mac80211_wlc_set_nrate(struct brcms_c_info *wlc, struct brcms_band *cur_band, } else if (is_cck_rate(rate)) { if ((cur_band->bandtype != BRCM_BAND_2G) || (stf != PHY_TXC1_MODE_SISO)) { - wiphy_err(wlc->wiphy, "wl%d: %s: Invalid CCK\n", + brcms_err(core, "wl%d: %s: Invalid CCK\n", wlc->pub->unit, __func__); bcmerror = -EINVAL; goto done; } } else { - wiphy_err(wlc->wiphy, "wl%d: %s: Unknown rate type\n", + brcms_err(core, "wl%d: %s: Unknown rate type\n", wlc->pub->unit, __func__); bcmerror = -EINVAL; goto done; } /* make sure multiple antennae are available for non-siso rates */ if ((stf != PHY_TXC1_MODE_SISO) && (wlc->stf->txstreams == 1)) { - wiphy_err(wlc->wiphy, "wl%d: %s: SISO antenna but !SISO " + brcms_err(core, "wl%d: %s: SISO antenna but !SISO " "request\n", wlc->pub->unit, __func__); bcmerror = -EINVAL; goto done; @@ -6449,7 +6074,7 @@ static void brcms_c_cck_plcp_set(struct brcms_c_info *wlc, int rate_500, break; default: - wiphy_err(wlc->wiphy, + brcms_err(wlc->hw->d11core, "brcms_c_cck_plcp_set: unsupported rate %d\n", rate_500); rate_500 = BRCM_RATE_1M; @@ -6582,7 +6207,7 @@ static u16 brcms_c_phytxctl1_calc(struct brcms_c_info *wlc, u32 rspec) bw = rspec_get_bw(rspec); /* 10Mhz is not supported yet */ if (bw < PHY_TXC1_BW_20MHZ) { - wiphy_err(wlc->wiphy, "phytxctl1_calc: bw %d is " + brcms_err(wlc->hw->d11core, "phytxctl1_calc: bw %d is " "not supported yet, set to 20L\n", bw); bw = PHY_TXC1_BW_20MHZ; } @@ -6609,7 +6234,7 @@ static u16 brcms_c_phytxctl1_calc(struct brcms_c_info *wlc, u32 rspec) /* get the phyctl byte from rate phycfg table */ phycfg = brcms_c_rate_legacy_phyctl(rspec2rate(rspec)); if (phycfg == -1) { - wiphy_err(wlc->wiphy, "phytxctl1_calc: wrong " + brcms_err(wlc->hw->d11core, "phytxctl1_calc: wrong " "legacy OFDM/CCK rate\n"); phycfg = 0; } @@ -6689,8 +6314,9 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw, if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { /* non-AP STA should never use BCMC queue */ if (queue == TX_BCMC_FIFO) { - wiphy_err(wlc->wiphy, "wl%d: %s: ASSERT queue == " - "TX_BCMC!\n", wlc->pub->unit, __func__); + brcms_err(wlc->hw->d11core, + "wl%d: %s: ASSERT queue == TX_BCMC!\n", + wlc->pub->unit, __func__); frameid = bcmc_fid_generate(wlc, NULL, txh); } else { /* Increment the counter for first fragment */ @@ -6860,9 +6486,9 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw, if ((txrate[k]->flags & IEEE80211_TX_RC_MCS) && (!is_mcs_rate(rspec[k]))) { - wiphy_err(wlc->wiphy, "wl%d: %s: IEEE80211_TX_" - "RC_MCS != is_mcs_rate(rspec)\n", - wlc->pub->unit, __func__); + brcms_warn(wlc->hw->d11core, + "wl%d: %s: IEEE80211_TX_RC_MCS != is_mcs_rate(rspec)\n", + wlc->pub->unit, __func__); } if (is_mcs_rate(rspec[k])) { @@ -7095,11 +6721,9 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw, (struct ofdm_phy_hdr *) rts_plcp) : rts_plcp[0]) << 8; } else { - memset((char *)txh->RTSPhyHeader, 0, D11_PHY_HDR_LEN); - memset((char *)&txh->rts_frame, 0, - sizeof(struct ieee80211_rts)); - memset((char *)txh->RTSPLCPFallback, 0, - sizeof(txh->RTSPLCPFallback)); + memset(txh->RTSPhyHeader, 0, D11_PHY_HDR_LEN); + memset(&txh->rts_frame, 0, sizeof(struct ieee80211_rts)); + memset(txh->RTSPLCPFallback, 0, sizeof(txh->RTSPLCPFallback)); txh->RTSDurFallback = 0; } @@ -7254,98 +6878,52 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw, wlc->fragthresh[queue] = (u16) newfragthresh; } else { - wiphy_err(wlc->wiphy, "wl%d: %s txop invalid " - "for rate %d\n", - wlc->pub->unit, fifo_names[queue], - rspec2rate(rspec[0])); + brcms_warn(wlc->hw->d11core, + "wl%d: %s txop invalid for rate %d\n", + wlc->pub->unit, fifo_names[queue], + rspec2rate(rspec[0])); } if (dur > wlc->edcf_txop[ac]) - wiphy_err(wlc->wiphy, "wl%d: %s: %s txop " - "exceeded phylen %d/%d dur %d/%d\n", - wlc->pub->unit, __func__, - fifo_names[queue], - phylen, wlc->fragthresh[queue], - dur, wlc->edcf_txop[ac]); + brcms_warn(wlc->hw->d11core, + "wl%d: %s: %s txop exceeded phylen %d/%d dur %d/%d\n", + wlc->pub->unit, __func__, + fifo_names[queue], + phylen, wlc->fragthresh[queue], + dur, wlc->edcf_txop[ac]); } } return 0; } -void brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, struct sk_buff *sdu, - struct ieee80211_hw *hw) -{ - u8 prio; - uint fifo; - struct scb *scb = &wlc->pri_scb; - struct ieee80211_hdr *d11_header = (struct ieee80211_hdr *)(sdu->data); - - /* - * 802.11 standard requires management traffic - * to go at highest priority - */ - prio = ieee80211_is_data(d11_header->frame_control) ? sdu->priority : - MAXPRIO; - fifo = prio2fifo[prio]; - if (brcms_c_d11hdrs_mac80211(wlc, hw, sdu, scb, 0, 1, fifo, 0)) - return; - brcms_c_txq_enq(wlc, scb, sdu, BRCMS_PRIO_TO_PREC(prio)); - brcms_c_send_q(wlc); -} - -void brcms_c_send_q(struct brcms_c_info *wlc) +static int brcms_c_tx(struct brcms_c_info *wlc, struct sk_buff *skb) { - struct sk_buff *pkt[DOT11_MAXNUMFRAGS]; - int prec; - u16 prec_map; - int err = 0, i, count; - uint fifo; - struct brcms_txq_info *qi = wlc->pkt_queue; - struct pktq *q = &qi->q; - struct ieee80211_tx_info *tx_info; - - prec_map = wlc->tx_prec_map; + struct dma_pub *dma; + int fifo, ret = -ENOSPC; + struct d11txh *txh; + u16 frameid = INVALIDFID; - /* Send all the enq'd pkts that we can. - * Dequeue packets with precedence with empty HW fifo only - */ - while (prec_map && (pkt[0] = brcmu_pktq_mdeq(q, prec_map, &prec))) { - tx_info = IEEE80211_SKB_CB(pkt[0]); - if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) { - err = brcms_c_sendampdu(wlc->ampdu, qi, pkt, prec); - } else { - count = 1; - err = brcms_c_prep_pdu(wlc, pkt[0], &fifo); - if (!err) { - for (i = 0; i < count; i++) - brcms_c_txfifo(wlc, fifo, pkt[i], true, - 1); - } - } + fifo = brcms_ac_to_fifo(skb_get_queue_mapping(skb)); + dma = wlc->hw->di[fifo]; + txh = (struct d11txh *)(skb->data); - if (err == -EBUSY) { - brcmu_pktq_penq_head(q, prec, pkt[0]); - /* - * If send failed due to any other reason than a - * change in HW FIFO condition, quit. Otherwise, - * read the new prec_map! - */ - if (prec_map == wlc->tx_prec_map) - break; - prec_map = wlc->tx_prec_map; - } + if (dma->txavail == 0) { + /* + * We sometimes get a frame from mac80211 after stopping + * the queues. This only ever seems to be a single frame + * and is seems likely to be a race. TX_HEADROOM should + * ensure that we have enough space to handle these stray + * packets, so warn if there isn't. If we're out of space + * in the tx ring and the tx queue isn't stopped then + * we've really got a bug; warn loudly if that happens. + */ + brcms_warn(wlc->hw->d11core, + "Received frame for tx with no space in DMA ring\n"); + WARN_ON(!ieee80211_queue_stopped(wlc->pub->ieee_hw, + skb_get_queue_mapping(skb))); + return -ENOSPC; } -} - -void -brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, struct sk_buff *p, - bool commit, s8 txpktpend) -{ - u16 frameid = INVALIDFID; - struct d11txh *txh; - - txh = (struct d11txh *) (p->data); /* When a BC/MC frame is being committed to the BCMC fifo * via DMA (NOT PIO), update ucode or BSS info as appropriate. @@ -7353,16 +6931,6 @@ brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, struct sk_buff *p, if (fifo == TX_BCMC_FIFO) frameid = le16_to_cpu(txh->TxFrameID); - /* - * Bump up pending count for if not using rpc. If rpc is - * used, this will be handled in brcms_b_txfifo() - */ - if (commit) { - wlc->core->txpktpend[fifo] += txpktpend; - BCMMSG(wlc->wiphy, "pktpend inc %d to %d\n", - txpktpend, wlc->core->txpktpend[fifo]); - } - /* Commit BCMC sequence number in the SHM frame ID location */ if (frameid != INVALIDFID) { /* @@ -7372,8 +6940,55 @@ brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, struct sk_buff *p, brcms_b_write_shm(wlc->hw, M_BCMC_FID, frameid); } - if (dma_txfast(wlc->hw->di[fifo], p, commit) < 0) + ret = brcms_c_txfifo(wlc, fifo, skb); + /* + * The only reason for brcms_c_txfifo to fail is because + * there weren't any DMA descriptors, but we've already + * checked for that. So if it does fail yell loudly. + */ + WARN_ON_ONCE(ret); + + return ret; +} + +bool brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, struct sk_buff *sdu, + struct ieee80211_hw *hw) +{ + uint fifo; + struct scb *scb = &wlc->pri_scb; + + fifo = brcms_ac_to_fifo(skb_get_queue_mapping(sdu)); + brcms_c_d11hdrs_mac80211(wlc, hw, sdu, scb, 0, 1, fifo, 0); + if (!brcms_c_tx(wlc, sdu)) + return true; + + /* packet discarded */ + dev_kfree_skb_any(sdu); + return false; +} + +int +brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, struct sk_buff *p) +{ + struct dma_pub *dma = wlc->hw->di[fifo]; + int ret; + u16 queue; + + ret = dma_txfast(wlc, dma, p); + if (ret < 0) wiphy_err(wlc->wiphy, "txfifo: fatal, toss frames !!!\n"); + + /* + * Stop queue if DMA ring is full. Reserve some free descriptors, + * as we sometimes receive a frame from mac80211 after the queues + * are stopped. + */ + queue = skb_get_queue_mapping(p); + if (dma->txavail <= TX_HEADROOM && fifo < TX_BCMC_FIFO && + !ieee80211_queue_stopped(wlc->pub->ieee_hw, queue)) + ieee80211_stop_queue(wlc->pub->ieee_hw, queue); + + return ret; } u32 @@ -7423,19 +7038,6 @@ brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc, u32 rspec, return rts_rspec; } -void -brcms_c_txfifo_complete(struct brcms_c_info *wlc, uint fifo, s8 txpktpend) -{ - wlc->core->txpktpend[fifo] -= txpktpend; - BCMMSG(wlc->wiphy, "pktpend dec %d to %d\n", txpktpend, - wlc->core->txpktpend[fifo]); - - /* There is more room; mark precedences related to this FIFO sendable */ - wlc->tx_prec_map |= wlc->fifo2prec_map[fifo]; - - /* figure out which bsscfg is being worked on... */ -} - /* Update beacon listen interval in shared memory */ static void brcms_c_bcn_li_upd(struct brcms_c_info *wlc) { @@ -7501,14 +7103,13 @@ prep_mac80211_status(struct brcms_c_info *wlc, struct d11rxhdr *rxh, struct sk_buff *p, struct ieee80211_rx_status *rx_status) { - int preamble; int channel; u32 rspec; unsigned char *plcp; /* fill in TSF and flag its presence */ rx_status->mactime = brcms_c_recover_tsf64(wlc, rxh); - rx_status->flag |= RX_FLAG_MACTIME_MPDU; + rx_status->flag |= RX_FLAG_MACTIME_START; channel = BRCMS_CHAN_CHANNEL(rxh->RxChan); @@ -7571,7 +7172,8 @@ prep_mac80211_status(struct brcms_c_info *wlc, struct d11rxhdr *rxh, rx_status->rate_idx = 11; break; default: - wiphy_err(wlc->wiphy, "%s: Unknown rate\n", __func__); + brcms_err(wlc->hw->d11core, + "%s: Unknown rate\n", __func__); } /* @@ -7583,14 +7185,13 @@ prep_mac80211_status(struct brcms_c_info *wlc, struct d11rxhdr *rxh, rx_status->rate_idx -= BRCMS_LEGACY_5G_RATE_OFFSET; /* Determine short preamble and rate_idx */ - preamble = 0; if (is_cck_rate(rspec)) { if (rxh->PhyRxStatus_0 & PRXS0_SHORTH) rx_status->flag |= RX_FLAG_SHORTPRE; } else if (is_ofdm_rate(rspec)) { rx_status->flag |= RX_FLAG_SHORTPRE; } else { - wiphy_err(wlc->wiphy, "%s: Unknown modulation\n", + brcms_err(wlc->hw->d11core, "%s: Unknown modulation\n", __func__); } } @@ -7600,12 +7201,12 @@ prep_mac80211_status(struct brcms_c_info *wlc, struct d11rxhdr *rxh, if (rxh->RxStatus1 & RXS_DECERR) { rx_status->flag |= RX_FLAG_FAILED_PLCP_CRC; - wiphy_err(wlc->wiphy, "%s: RX_FLAG_FAILED_PLCP_CRC\n", + brcms_err(wlc->hw->d11core, "%s: RX_FLAG_FAILED_PLCP_CRC\n", __func__); } if (rxh->RxStatus1 & RXS_FCSERR) { rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; - wiphy_err(wlc->wiphy, "%s: RX_FLAG_FAILED_FCS_CRC\n", + brcms_err(wlc->hw->d11core, "%s: RX_FLAG_FAILED_FCS_CRC\n", __func__); } } @@ -7649,9 +7250,6 @@ brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec, { uint nsyms, len = 0, kNdps; - BCMMSG(wlc->wiphy, "wl%d: rate %d, len%d\n", - wlc->pub->unit, rspec2rate(ratespec), mac_len); - if (is_mcs_rate(ratespec)) { uint mcs = ratespec & RSPEC_RATE_MASK; int tot_streams = (mcs_2_txstreams(mcs) + 1) + @@ -7735,72 +7333,110 @@ brcms_c_mod_prb_rsp_rate_table(struct brcms_c_info *wlc, uint frame_len) } } -/* Max buffering needed for beacon template/prb resp template is 142 bytes. - * - * PLCP header is 6 bytes. - * 802.11 A3 header is 24 bytes. - * Max beacon frame body template length is 112 bytes. - * Max probe resp frame body template length is 110 bytes. - * - * *len on input contains the max length of the packet available. - * - * The *len value is set to the number of bytes in buf used, and starts - * with the PLCP and included up to, but not including, the 4 byte FCS. - */ -static void -brcms_c_bcn_prb_template(struct brcms_c_info *wlc, u16 type, - u32 bcn_rspec, - struct brcms_bss_cfg *cfg, u16 *buf, int *len) +int brcms_c_get_header_len(void) { - static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255}; - struct cck_phy_hdr *plcp; - struct ieee80211_mgmt *h; - int hdr_len, body_len; - - hdr_len = D11_PHY_HDR_LEN + DOT11_MAC_HDR_LEN; + return TXOFF; +} - /* calc buffer size provided for frame body */ - body_len = *len - hdr_len; - /* return actual size */ - *len = hdr_len + body_len; +static void brcms_c_beacon_write(struct brcms_c_info *wlc, + struct sk_buff *beacon, u16 tim_offset, + u16 dtim_period, bool bcn0, bool bcn1) +{ + size_t len; + struct ieee80211_tx_info *tx_info; + struct brcms_hardware *wlc_hw = wlc->hw; + struct ieee80211_hw *ieee_hw = brcms_c_pub(wlc)->ieee_hw; - /* format PHY and MAC headers */ - memset((char *)buf, 0, hdr_len); + /* Get tx_info */ + tx_info = IEEE80211_SKB_CB(beacon); - plcp = (struct cck_phy_hdr *) buf; + len = min_t(size_t, beacon->len, BCN_TMPL_LEN); + wlc->bcn_rspec = ieee80211_get_tx_rate(ieee_hw, tx_info)->hw_value; - /* - * PLCP for Probe Response frames are filled in from - * core's rate table - */ - if (type == IEEE80211_STYPE_BEACON) - /* fill in PLCP */ - brcms_c_compute_plcp(wlc, bcn_rspec, - (DOT11_MAC_HDR_LEN + body_len + FCS_LEN), - (u8 *) plcp); + brcms_c_compute_plcp(wlc, wlc->bcn_rspec, + len + FCS_LEN - D11_PHY_HDR_LEN, beacon->data); /* "Regular" and 16 MBSS but not for 4 MBSS */ /* Update the phytxctl for the beacon based on the rspec */ - brcms_c_beacon_phytxctl_txant_upd(wlc, bcn_rspec); + brcms_c_beacon_phytxctl_txant_upd(wlc, wlc->bcn_rspec); - h = (struct ieee80211_mgmt *)&plcp[1]; + if (bcn0) { + /* write the probe response into the template region */ + brcms_b_write_template_ram(wlc_hw, T_BCN0_TPL_BASE, + (len + 3) & ~3, beacon->data); - /* fill in 802.11 header */ - h->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | type); + /* write beacon length to SCR */ + brcms_b_write_shm(wlc_hw, M_BCN0_FRM_BYTESZ, (u16) len); + } + if (bcn1) { + /* write the probe response into the template region */ + brcms_b_write_template_ram(wlc_hw, T_BCN1_TPL_BASE, + (len + 3) & ~3, beacon->data); - /* DUR is 0 for multicast bcn, or filled in by MAC for prb resp */ - /* A1 filled in by MAC for prb resp, broadcast for bcn */ - if (type == IEEE80211_STYPE_BEACON) - memcpy(&h->da, ðer_bcast, ETH_ALEN); - memcpy(&h->sa, &cfg->cur_etheraddr, ETH_ALEN); - memcpy(&h->bssid, &cfg->BSSID, ETH_ALEN); + /* write beacon length to SCR */ + brcms_b_write_shm(wlc_hw, M_BCN1_FRM_BYTESZ, (u16) len); + } - /* SEQ filled in by MAC */ + if (tim_offset != 0) { + brcms_b_write_shm(wlc_hw, M_TIMBPOS_INBEACON, + tim_offset + D11B_PHY_HDR_LEN); + brcms_b_write_shm(wlc_hw, M_DOT11_DTIMPERIOD, dtim_period); + } else { + brcms_b_write_shm(wlc_hw, M_TIMBPOS_INBEACON, + len + D11B_PHY_HDR_LEN); + brcms_b_write_shm(wlc_hw, M_DOT11_DTIMPERIOD, 0); + } } -int brcms_c_get_header_len(void) +static void brcms_c_update_beacon_hw(struct brcms_c_info *wlc, + struct sk_buff *beacon, u16 tim_offset, + u16 dtim_period) { - return TXOFF; + struct brcms_hardware *wlc_hw = wlc->hw; + struct bcma_device *core = wlc_hw->d11core; + + /* Hardware beaconing for this config */ + u32 both_valid = MCMD_BCN0VLD | MCMD_BCN1VLD; + + /* Check if both templates are in use, if so sched. an interrupt + * that will call back into this routine + */ + if ((bcma_read32(core, D11REGOFFS(maccommand)) & both_valid) == both_valid) + /* clear any previous status */ + bcma_write32(core, D11REGOFFS(macintstatus), MI_BCNTPL); + + if (wlc->beacon_template_virgin) { + wlc->beacon_template_virgin = false; + brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period, true, + true); + /* mark beacon0 valid */ + bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN0VLD); + return; + } + + /* Check that after scheduling the interrupt both of the + * templates are still busy. if not clear the int. & remask + */ + if ((bcma_read32(core, D11REGOFFS(maccommand)) & both_valid) == both_valid) { + wlc->defmacintmask |= MI_BCNTPL; + return; + } + + if (!(bcma_read32(core, D11REGOFFS(maccommand)) & MCMD_BCN0VLD)) { + brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period, true, + false); + /* mark beacon0 valid */ + bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN0VLD); + return; + } + if (!(bcma_read32(core, D11REGOFFS(maccommand)) & MCMD_BCN1VLD)) { + brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period, + false, true); + /* mark beacon0 valid */ + bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN1VLD); + return; + } + return; } /* @@ -7810,9 +7446,57 @@ void brcms_c_update_beacon(struct brcms_c_info *wlc) { struct brcms_bss_cfg *bsscfg = wlc->bsscfg; - if (bsscfg->up && !bsscfg->BSS) + if (wlc->pub->up && (bsscfg->type == BRCMS_TYPE_AP || + bsscfg->type == BRCMS_TYPE_ADHOC)) { /* Clear the soft intmask */ wlc->defmacintmask &= ~MI_BCNTPL; + if (!wlc->beacon) + return; + brcms_c_update_beacon_hw(wlc, wlc->beacon, + wlc->beacon_tim_offset, + wlc->beacon_dtim_period); + } +} + +void brcms_c_set_new_beacon(struct brcms_c_info *wlc, struct sk_buff *beacon, + u16 tim_offset, u16 dtim_period) +{ + if (!beacon) + return; + if (wlc->beacon) + dev_kfree_skb_any(wlc->beacon); + wlc->beacon = beacon; + + /* add PLCP */ + skb_push(wlc->beacon, D11_PHY_HDR_LEN); + wlc->beacon_tim_offset = tim_offset; + wlc->beacon_dtim_period = dtim_period; + brcms_c_update_beacon(wlc); +} + +void brcms_c_set_new_probe_resp(struct brcms_c_info *wlc, + struct sk_buff *probe_resp) +{ + if (!probe_resp) + return; + if (wlc->probe_resp) + dev_kfree_skb_any(wlc->probe_resp); + wlc->probe_resp = probe_resp; + + /* add PLCP */ + skb_push(wlc->probe_resp, D11_PHY_HDR_LEN); + brcms_c_update_probe_resp(wlc, false); +} + +void brcms_c_enable_probe_resp(struct brcms_c_info *wlc, bool enable) +{ + /* + * prevent ucode from sending probe responses by setting the timeout + * to 1, it can not send it in that time frame. + */ + wlc->prb_resp_timeout = enable ? BRCMS_PRB_RESP_TIMEOUT : 1; + brcms_b_write_shm(wlc->hw, M_PRS_MAXTIME, wlc->prb_resp_timeout); + /* TODO: if (enable) => also deactivate receiving of probe request */ } /* Write ssid into shared memory */ @@ -7834,26 +7518,19 @@ brcms_c_shm_ssid_upd(struct brcms_c_info *wlc, struct brcms_bss_cfg *cfg) static void brcms_c_bss_update_probe_resp(struct brcms_c_info *wlc, struct brcms_bss_cfg *cfg, + struct sk_buff *probe_resp, bool suspend) { - u16 prb_resp[BCN_TMPL_LEN / 2]; - int len = BCN_TMPL_LEN; - - /* - * write the probe response to hardware, or save in - * the config structure - */ + int len; - /* create the probe response template */ - brcms_c_bcn_prb_template(wlc, IEEE80211_STYPE_PROBE_RESP, 0, - cfg, prb_resp, &len); + len = min_t(size_t, probe_resp->len, BCN_TMPL_LEN); if (suspend) brcms_c_suspend_mac_and_wait(wlc); /* write the probe response into the template region */ brcms_b_write_template_ram(wlc->hw, T_PRS_TPL_BASE, - (len + 3) & ~3, prb_resp); + (len + 3) & ~3, probe_resp->data); /* write the length of the probe response frame (+PLCP/-FCS) */ brcms_b_write_shm(wlc->hw, M_PRB_RESP_FRM_LEN, (u16) len); @@ -7867,8 +7544,8 @@ brcms_c_bss_update_probe_resp(struct brcms_c_info *wlc, * PLCP header for the call to brcms_c_mod_prb_rsp_rate_table() * by subtracting the PLCP len and adding the FCS. */ - len += (-D11_PHY_HDR_LEN + FCS_LEN); - brcms_c_mod_prb_rsp_rate_table(wlc, (u16) len); + brcms_c_mod_prb_rsp_rate_table(wlc, + (u16)len + FCS_LEN - D11_PHY_HDR_LEN); if (suspend) brcms_c_enable_mac(wlc); @@ -7879,37 +7556,13 @@ void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend) struct brcms_bss_cfg *bsscfg = wlc->bsscfg; /* update AP or IBSS probe responses */ - if (bsscfg->up && !bsscfg->BSS) - brcms_c_bss_update_probe_resp(wlc, bsscfg, suspend); -} - -/* prepares pdu for transmission. returns BCM error codes */ -int brcms_c_prep_pdu(struct brcms_c_info *wlc, struct sk_buff *pdu, uint *fifop) -{ - uint fifo; - struct d11txh *txh; - struct ieee80211_hdr *h; - struct scb *scb; - - txh = (struct d11txh *) (pdu->data); - h = (struct ieee80211_hdr *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN); - - /* get the pkt queue info. This was put at brcms_c_sendctl or - * brcms_c_send for PDU */ - fifo = le16_to_cpu(txh->TxFrameID) & TXFID_QUEUE_MASK; - - scb = NULL; - - *fifop = fifo; - - /* return if insufficient dma resources */ - if (*wlc->core->txavail[fifo] < MAX_DMA_SEGS) { - /* Mark precedences related to this FIFO, unsendable */ - /* A fifo is full. Clear precedences related to that FIFO */ - wlc->tx_prec_map &= ~(wlc->fifo2prec_map[fifo]); - return -EBUSY; + if (wlc->pub->up && (bsscfg->type == BRCMS_TYPE_AP || + bsscfg->type == BRCMS_TYPE_ADHOC)) { + if (!wlc->probe_resp) + return; + brcms_c_bss_update_probe_resp(wlc, bsscfg, wlc->probe_resp, + suspend); } - return 0; } int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo, @@ -7948,7 +7601,6 @@ void brcms_c_scan_stop(struct brcms_c_info *wlc) void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state) { wlc->pub->associated = state; - wlc->bsscfg->associated = state; } /* @@ -7974,23 +7626,16 @@ int brcms_c_get_curband(struct brcms_c_info *wlc) return wlc->band->bandunit; } -void brcms_c_wait_for_tx_completion(struct brcms_c_info *wlc, bool drop) +bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc) { - int timeout = 20; - - /* flush packet queue when requested */ - if (drop) - brcmu_pktq_flush(&wlc->pkt_queue->q, false, NULL, NULL); - - /* wait for queue and DMA fifos to run dry */ - while (!pktq_empty(&wlc->pkt_queue->q) || brcms_txpktpendtot(wlc) > 0) { - brcms_msleep(wlc->wl, 1); + int i; - if (--timeout == 0) - break; - } + /* Kick DMA to send any pending AMPDU */ + for (i = 0; i < ARRAY_SIZE(wlc->hw->di); i++) + if (wlc->hw->di[i]) + dma_kick_tx(wlc->hw->di[i]); - WARN_ON_ONCE(timeout == 0); + return !brcms_txpktpendtot(wlc); } void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval) @@ -8000,6 +7645,36 @@ void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval) brcms_c_bcn_li_upd(wlc); } +u64 brcms_c_tsf_get(struct brcms_c_info *wlc) +{ + u32 tsf_h, tsf_l; + u64 tsf; + + brcms_b_read_tsf(wlc->hw, &tsf_l, &tsf_h); + + tsf = tsf_h; + tsf <<= 32; + tsf |= tsf_l; + + return tsf; +} + +void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf) +{ + u32 tsf_h, tsf_l; + + brcms_c_time_lock(wlc); + + tsf_l = tsf; + tsf_h = (tsf >> 32); + + /* read the tsf timer low, then high to get an atomic read */ + bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_timerlow), tsf_l); + bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_timerhigh), tsf_h); + + brcms_c_time_unlock(wlc); +} + int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr) { uint qdbm; @@ -8032,8 +7707,6 @@ static void brcms_c_recv(struct brcms_c_info *wlc, struct sk_buff *p) uint len; bool is_amsdu; - BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); - /* frame starts with rxhdr */ rxh = (struct d11rxhdr *) (p->data); @@ -8043,8 +7716,9 @@ static void brcms_c_recv(struct brcms_c_info *wlc, struct sk_buff *p) /* MAC inserts 2 pad bytes for a4 headers or QoS or A-MSDU subframes */ if (rxh->RxStatus1 & RXS_PBPRES) { if (p->len < 2) { - wiphy_err(wlc->wiphy, "wl%d: recv: rcvd runt of " - "len %d\n", wlc->pub->unit, p->len); + brcms_err(wlc->hw->d11core, + "wl%d: recv: rcvd runt of len %d\n", + wlc->pub->unit, p->len); goto toss; } skb_pull(p, 2); @@ -8088,17 +7762,19 @@ brcms_b_recv(struct brcms_hardware *wlc_hw, uint fifo, bool bound) uint n = 0; uint bound_limit = bound ? RXBND : -1; + bool morepending = false; - BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit); skb_queue_head_init(&recv_frames); /* gather received frames */ - while (dma_rx(wlc_hw->di[fifo], &recv_frames)) { - + do { /* !give others some time to run! */ - if (++n >= bound_limit) + if (n >= bound_limit) break; - } + + morepending = dma_rx(wlc_hw->di[fifo], &recv_frames); + n++; + } while (morepending); /* post more rbufs */ dma_rxfill(wlc_hw->di[fifo]); @@ -8128,7 +7804,7 @@ brcms_b_recv(struct brcms_hardware *wlc_hw, uint fifo, bool bound) brcms_c_recv(wlc_hw->wlc, p); } - return n >= bound_limit; + return morepending; } /* second-level interrupt processing @@ -8140,10 +7816,9 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) u32 macintstatus; struct brcms_hardware *wlc_hw = wlc->hw; struct bcma_device *core = wlc_hw->d11core; - struct wiphy *wiphy = wlc->wiphy; if (brcms_deviceremoved(wlc)) { - wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit, + brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit, __func__); brcms_down(wlc->wl); return false; @@ -8153,8 +7828,8 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) macintstatus = wlc->macintstatus; wlc->macintstatus = 0; - BCMMSG(wlc->wiphy, "wl%d: macintstatus 0x%x\n", - wlc_hw->unit, macintstatus); + brcms_dbg_int(core, "wl%d: macintstatus 0x%x\n", + wlc_hw->unit, macintstatus); WARN_ON(macintstatus & MI_PRQ); /* PRQ Interrupt in non-MBSS */ @@ -8164,7 +7839,7 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) if (brcms_b_txstatus(wlc->hw, bounded, &fatal)) wlc->macintstatus |= MI_TFS; if (fatal) { - wiphy_err(wiphy, "MI_TFS: fatal\n"); + brcms_err(core, "MI_TFS: fatal\n"); goto fatal; } } @@ -8174,7 +7849,7 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) /* ATIM window end */ if (macintstatus & MI_ATIMWINEND) { - BCMMSG(wlc->wiphy, "end of ATIM window\n"); + brcms_dbg_info(core, "end of ATIM window\n"); bcma_set32(core, D11REGOFFS(maccommand), wlc->qvalid); wlc->qvalid = 0; } @@ -8192,7 +7867,7 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) wlc_phy_noise_sample_intr(wlc_hw->band->pi); if (macintstatus & MI_GP0) { - wiphy_err(wiphy, "wl%d: PSM microcode watchdog fired at %d " + brcms_err(core, "wl%d: PSM microcode watchdog fired at %d " "(seconds). Resetting.\n", wlc_hw->unit, wlc_hw->now); printk_once("%s : PSM Watchdog, chipid 0x%x, chiprev 0x%x\n", @@ -8206,14 +7881,14 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) bcma_write32(core, D11REGOFFS(gptimer), 0); if (macintstatus & MI_RFDISABLE) { - BCMMSG(wlc->wiphy, "wl%d: BMAC Detected a change on the" - " RF Disable Input\n", wlc_hw->unit); + brcms_dbg_info(core, "wl%d: BMAC Detected a change on the" + " RF Disable Input\n", wlc_hw->unit); brcms_rfkill_set_hw_state(wlc->wl); } - /* send any enq'd tx packets. Just makes sure to jump start tx */ - if (!pktq_empty(&wlc->pkt_queue->q)) - brcms_c_send_q(wlc); + /* BCN template is available */ + if (macintstatus & MI_BCNTPL) + brcms_c_update_beacon(wlc); /* it isn't done and needs to be resched if macintstatus is non-zero */ return wlc->macintstatus != 0; @@ -8226,10 +7901,10 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx) { struct bcma_device *core = wlc->hw->d11core; - struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; + struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.chandef.chan; u16 chanspec; - BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); + brcms_dbg_info(core, "wl%d\n", wlc->pub->unit); chanspec = ch20mhz_chspec(ch->hw_value); @@ -8243,7 +7918,7 @@ void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx) brcms_c_set_bssid(wlc->bsscfg); /* Update tsf_cfprep if associated and up */ - if (wlc->pub->associated && wlc->bsscfg->up) { + if (wlc->pub->associated && wlc->pub->up) { u32 bi; /* get beacon period and convert to uS */ @@ -8286,14 +7961,16 @@ void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx) bcma_set16(core, D11REGOFFS(ifs_ctl), IFS_USEEDCF); brcms_c_edcf_setparams(wlc, false); - /* Init precedence maps for empty FIFOs */ - brcms_c_tx_prec_map_init(wlc); - /* read the ucode version if we have not yet done so */ if (wlc->ucode_rev == 0) { - wlc->ucode_rev = - brcms_b_read_shm(wlc->hw, M_BOM_REV_MAJOR) << NBITS(u16); - wlc->ucode_rev |= brcms_b_read_shm(wlc->hw, M_BOM_REV_MINOR); + u16 rev; + u16 patch; + + rev = brcms_b_read_shm(wlc->hw, M_BOM_REV_MAJOR); + patch = brcms_b_read_shm(wlc->hw, M_BOM_REV_MINOR); + wlc->ucode_rev = (rev << NBITS(u16)) | patch; + snprintf(wlc->wiphy->fw_version, + sizeof(wlc->wiphy->fw_version), "%u.%u", rev, patch); } /* ..now really unleash hell (allow the MAC out of suspend) */ @@ -8303,9 +7980,6 @@ void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx) if (mute_tx) brcms_b_mute(wlc->hw, true); - /* clear tx flow control */ - brcms_c_txflowcontrol_reset(wlc); - /* enable the RF Disable Delay timer */ bcma_write32(core, D11REGOFFS(rfdisabledly), RFDISABLE_DEFAULT); @@ -8352,6 +8026,7 @@ brcms_c_attach(struct brcms_info *wl, struct bcma_device *core, uint unit, pub->unit = unit; pub->_piomode = piomode; wlc->bandinit_pending = false; + wlc->beacon_template_virgin = true; /* populate struct brcms_c_info with default values */ brcms_c_info_init(wlc, unit); @@ -8464,15 +8139,6 @@ brcms_c_attach(struct brcms_info *wl, struct bcma_device *core, uint unit, * Complete the wlc default state initializations.. */ - /* allocate our initial queue */ - wlc->pkt_queue = brcms_c_txq_alloc(wlc); - if (wlc->pkt_queue == NULL) { - wiphy_err(wl->wiphy, "wl%d: %s: failed to malloc tx queue\n", - unit, __func__); - err = 100; - goto fail; - } - wlc->bsscfg->wlc = wlc; wlc->mimoft = FT_HT; diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.h b/drivers/net/wireless/brcm80211/brcmsmac/main.h index 8debc74c54e..c4d135cff04 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.h @@ -101,9 +101,6 @@ #define DATA_BLOCK_TX_SUPR (1 << 4) -/* 802.1D Priority to TX FIFO number for wme */ -extern const u8 prio2fifo[]; - /* Ucode MCTL_WAKE override bits */ #define BRCMS_WAKE_OVERRIDE_CLKCTL 0x01 #define BRCMS_WAKE_OVERRIDE_PHYREG 0x02 @@ -242,7 +239,6 @@ struct brcms_core { /* fifo */ uint *txavail[NFIFO]; /* # tx descriptors available */ - s16 txpktpend[NFIFO]; /* tx admission control */ struct macstat *macstat_snapshot; /* mac hw prev read values */ }; @@ -382,19 +378,6 @@ struct brcms_hardware { */ }; -/* TX Queue information - * - * Each flow of traffic out of the device has a TX Queue with independent - * flow control. Several interfaces may be associated with a single TX Queue - * if they belong to the same flow of traffic from the device. For multi-channel - * operation there are independent TX Queues for each channel. - */ -struct brcms_txq_info { - struct brcms_txq_info *next; - struct pktq q; - uint stopped; /* tx flow control bits */ -}; - /* * Principal common driver data structure. * @@ -435,11 +418,8 @@ struct brcms_txq_info { * WDlast: last time wlc_watchdog() was called. * edcf_txop[IEEE80211_NUM_ACS]: current txop for each ac. * wme_retries: per-AC retry limits. - * tx_prec_map: Precedence map based on HW FIFO space. - * fifo2prec_map[NFIFO]: pointer to fifo2_prec map based on WME. * bsscfg: set of BSS configurations, idx 0 is default and always valid. * cfg: the primary bsscfg (can be AP or STA). - * tx_queues: common TX Queue list. * modulecb: * mimoft: SIGN or 11N. * cck_40txbw: 11N, cck tx b/w override when in 40MHZ mode. @@ -469,7 +449,6 @@ struct brcms_txq_info { * tempsense_lasttime; * tx_duty_cycle_ofdm: maximum allowed duty cycle for OFDM. * tx_duty_cycle_cck: maximum allowed duty cycle for CCK. - * pkt_queue: txq for transmit packets. * wiphy: * pri_scb: primary Station Control Block */ @@ -513,6 +492,8 @@ struct brcms_c_info { bool radio_monitor; bool going_down; + bool beacon_template_virgin; + struct brcms_timer *wdtimer; struct brcms_timer *radio_timer; @@ -533,14 +514,9 @@ struct brcms_c_info { u16 edcf_txop[IEEE80211_NUM_ACS]; u16 wme_retries[IEEE80211_NUM_ACS]; - u16 tx_prec_map; - u16 fifo2prec_map[NFIFO]; struct brcms_bss_cfg *bsscfg; - /* tx queue */ - struct brcms_txq_info *tx_queues; - struct modulecb *modulecb; u8 mimoft; @@ -585,9 +561,13 @@ struct brcms_c_info { u16 tx_duty_cycle_ofdm; u16 tx_duty_cycle_cck; - struct brcms_txq_info *pkt_queue; struct wiphy *wiphy; struct scb pri_scb; + + struct sk_buff *beacon; + u16 beacon_tim_offset; + u16 beacon_dtim_period; + struct sk_buff *probe_resp; }; /* antsel module specific state */ @@ -603,14 +583,17 @@ struct antsel_info { struct brcms_antselcfg antcfg_cur; /* current antenna config (auto) */ }; +enum brcms_bss_type { + BRCMS_TYPE_STATION, + BRCMS_TYPE_AP, + BRCMS_TYPE_ADHOC, +}; + /* * BSS configuration state * * wlc: wlc to which this bsscfg belongs to. - * up: is this configuration up operational - * enable: is this configuration enabled - * associated: is BSS in ASSOCIATED state - * BSS: infraustructure or adhoc + * type: interface type * SSID_len: the length of SSID * SSID: SSID string * @@ -626,95 +609,61 @@ struct antsel_info { */ struct brcms_bss_cfg { struct brcms_c_info *wlc; - bool up; - bool enable; - bool associated; - bool BSS; + enum brcms_bss_type type; u8 SSID_len; u8 SSID[IEEE80211_MAX_SSID_LEN]; u8 BSSID[ETH_ALEN]; - u8 cur_etheraddr[ETH_ALEN]; struct brcms_bss_info *current_bss; }; -extern void brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, - struct sk_buff *p, - bool commit, s8 txpktpend); -extern void brcms_c_txfifo_complete(struct brcms_c_info *wlc, uint fifo, - s8 txpktpend); -extern void brcms_c_txq_enq(struct brcms_c_info *wlc, struct scb *scb, - struct sk_buff *sdu, uint prec); -extern void brcms_c_print_txstatus(struct tx_status *txs); -extern int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo, - uint *blocks); - -#if defined(DEBUG) -extern void brcms_c_print_txdesc(struct d11txh *txh); -#else -static inline void brcms_c_print_txdesc(struct d11txh *txh) -{ -} -#endif - -extern int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config); -extern void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags); -extern void brcms_c_send_q(struct brcms_c_info *wlc); -extern int brcms_c_prep_pdu(struct brcms_c_info *wlc, struct sk_buff *pdu, - uint *fifo); -extern u16 brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec, - uint mac_len); -extern u32 brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc, - u32 rspec, - bool use_rspec, u16 mimo_ctlchbw); -extern u16 brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only, - u32 rts_rate, - u32 frame_rate, - u8 rts_preamble_type, - u8 frame_preamble_type, uint frame_len, - bool ba); -extern void brcms_c_inval_dma_pkts(struct brcms_hardware *hw, - struct ieee80211_sta *sta, - void (*dma_callback_fn)); -extern void brcms_c_update_beacon(struct brcms_c_info *wlc); -extern void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend); -extern int brcms_c_set_nmode(struct brcms_c_info *wlc); -extern void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc, - u32 bcn_rate); -extern void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw, - u8 antsel_type); -extern void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, - u16 chanspec, - bool mute, struct txpwr_limits *txpwr); -extern void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset, - u16 v); -extern u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset); -extern void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask, - u16 val, int bands); -extern void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags); -extern void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val); -extern void brcms_b_phy_reset(struct brcms_hardware *wlc_hw); -extern void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw); -extern void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw); -extern void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw, - u32 override_bit); -extern void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw, - u32 override_bit); -extern void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, - int offset, int len, void *buf); -extern u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate); -extern void brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw, - uint offset, const void *buf, int len, - u32 sel); -extern void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset, - void *buf, int len, u32 sel); -extern void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode); -extern u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw); -extern void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk); -extern void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk); -extern void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on); -extern void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant); -extern void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw, - u8 stf_mode); -extern void brcms_c_init_scb(struct scb *scb); +int brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, struct sk_buff *p); +int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo, + uint *blocks); + +int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config); +void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags); +u16 brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec, uint mac_len); +u32 brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc, u32 rspec, + bool use_rspec, u16 mimo_ctlchbw); +u16 brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only, + u32 rts_rate, u32 frame_rate, + u8 rts_preamble_type, u8 frame_preamble_type, + uint frame_len, bool ba); +void brcms_c_inval_dma_pkts(struct brcms_hardware *hw, + struct ieee80211_sta *sta, void (*dma_callback_fn)); +void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend); +int brcms_c_set_nmode(struct brcms_c_info *wlc); +void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc, u32 bcn_rate); +void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw, u8 antsel_type); +void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, u16 chanspec, + bool mute, struct txpwr_limits *txpwr); +void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset, u16 v); +u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset); +void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask, u16 val, + int bands); +void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags); +void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val); +void brcms_b_phy_reset(struct brcms_hardware *wlc_hw); +void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw); +void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw); +void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw, + u32 override_bit); +void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw, + u32 override_bit); +void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset, + int len, void *buf); +u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate); +void brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw, uint offset, + const void *buf, int len, u32 sel); +void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset, + void *buf, int len, u32 sel); +void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode); +u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw); +void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk); +void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk); +void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on); +void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant); +void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw, u8 stf_mode); +void brcms_c_init_scb(struct scb *scb); #endif /* _BRCM_MAIN_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.c b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.c index 91937c5025c..b0fd807f2b2 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.c @@ -198,8 +198,6 @@ u16 read_radio_reg(struct brcms_phy *pi, u16 addr) void write_radio_reg(struct brcms_phy *pi, u16 addr, u16 val) { - struct si_info *sii = container_of(pi->sh->sih, struct si_info, pub); - if ((D11REV_GE(pi->sh->corerev, 24)) || (D11REV_IS(pi->sh->corerev, 22) && (pi->pubpi.phy_type != PHY_TYPE_SSN))) { @@ -211,7 +209,7 @@ void write_radio_reg(struct brcms_phy *pi, u16 addr, u16 val) bcma_write16(pi->d11core, D11REGOFFS(phy4wdatalo), val); } - if ((sii->icbus->hosttype == BCMA_HOSTTYPE_PCI) && + if ((pi->d11core->bus->hosttype == BCMA_HOSTTYPE_PCI) && (++pi->phy_wreg >= pi->phy_wreg_limit)) { (void)bcma_read32(pi->d11core, D11REGOFFS(maccontrol)); pi->phy_wreg = 0; @@ -297,10 +295,8 @@ void write_phy_reg(struct brcms_phy *pi, u16 addr, u16 val) if (addr == 0x72) (void)bcma_read16(pi->d11core, D11REGOFFS(phyregdata)); #else - struct si_info *sii = container_of(pi->sh->sih, struct si_info, pub); - bcma_write32(pi->d11core, D11REGOFFS(phyregaddr), addr | (val << 16)); - if ((sii->icbus->hosttype == BCMA_HOSTTYPE_PCI) && + if ((pi->d11core->bus->hosttype == BCMA_HOSTTYPE_PCI) && (++pi->phy_wreg >= pi->phy_wreg_limit)) { pi->phy_wreg = 0; (void)bcma_read16(pi->d11core, D11REGOFFS(phyversion)); @@ -374,7 +370,6 @@ struct shared_phy *wlc_phy_shared_attach(struct shared_phy_params *shp) if (sh == NULL) return NULL; - sh->sih = shp->sih; sh->physhim = shp->physhim; sh->unit = shp->unit; sh->corerev = shp->corerev; @@ -2911,29 +2906,24 @@ void wlc_lcnphy_epa_switch(struct brcms_phy *pi, bool mode) mod_phy_reg(pi, 0x44c, (0x1 << 2), (1) << 2); } - ai_cc_reg(pi->sh->sih, - offsetof(struct chipcregs, gpiocontrol), - ~0x0, 0x0); - ai_cc_reg(pi->sh->sih, - offsetof(struct chipcregs, gpioout), - 0x40, 0x40); - ai_cc_reg(pi->sh->sih, - offsetof(struct chipcregs, gpioouten), - 0x40, 0x40); + + bcma_chipco_gpio_control(&pi->d11core->bus->drv_cc, + 0x0, 0x0); + bcma_chipco_gpio_out(&pi->d11core->bus->drv_cc, + ~0x40, 0x40); + bcma_chipco_gpio_outen(&pi->d11core->bus->drv_cc, + ~0x40, 0x40); } else { mod_phy_reg(pi, 0x44c, (0x1 << 2), (0) << 2); mod_phy_reg(pi, 0x44d, (0x1 << 2), (0) << 2); - ai_cc_reg(pi->sh->sih, - offsetof(struct chipcregs, gpioout), - 0x40, 0x00); - ai_cc_reg(pi->sh->sih, - offsetof(struct chipcregs, gpioouten), - 0x40, 0x0); - ai_cc_reg(pi->sh->sih, - offsetof(struct chipcregs, gpiocontrol), - ~0x0, 0x40); + bcma_chipco_gpio_out(&pi->d11core->bus->drv_cc, + ~0x40, 0x00); + bcma_chipco_gpio_outen(&pi->d11core->bus->drv_cc, + ~0x40, 0x00); + bcma_chipco_gpio_control(&pi->d11core->bus->drv_cc, + 0x0, 0x40); } } } diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_hal.h b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_hal.h index e34a71e7d24..4d3734f48d9 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_hal.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_hal.h @@ -179,121 +179,106 @@ struct shared_phy_params { }; -extern struct shared_phy *wlc_phy_shared_attach(struct shared_phy_params *shp); -extern struct brcms_phy_pub *wlc_phy_attach(struct shared_phy *sh, - struct bcma_device *d11core, - int bandtype, struct wiphy *wiphy); -extern void wlc_phy_detach(struct brcms_phy_pub *ppi); - -extern bool wlc_phy_get_phyversion(struct brcms_phy_pub *pih, u16 *phytype, - u16 *phyrev, u16 *radioid, - u16 *radiover); -extern bool wlc_phy_get_encore(struct brcms_phy_pub *pih); -extern u32 wlc_phy_get_coreflags(struct brcms_phy_pub *pih); - -extern void wlc_phy_hw_clk_state_upd(struct brcms_phy_pub *ppi, bool newstate); -extern void wlc_phy_hw_state_upd(struct brcms_phy_pub *ppi, bool newstate); -extern void wlc_phy_init(struct brcms_phy_pub *ppi, u16 chanspec); -extern void wlc_phy_watchdog(struct brcms_phy_pub *ppi); -extern int wlc_phy_down(struct brcms_phy_pub *ppi); -extern u32 wlc_phy_clk_bwbits(struct brcms_phy_pub *pih); -extern void wlc_phy_cal_init(struct brcms_phy_pub *ppi); -extern void wlc_phy_antsel_init(struct brcms_phy_pub *ppi, bool lut_init); - -extern void wlc_phy_chanspec_set(struct brcms_phy_pub *ppi, - u16 chanspec); -extern u16 wlc_phy_chanspec_get(struct brcms_phy_pub *ppi); -extern void wlc_phy_chanspec_radio_set(struct brcms_phy_pub *ppi, - u16 newch); -extern u16 wlc_phy_bw_state_get(struct brcms_phy_pub *ppi); -extern void wlc_phy_bw_state_set(struct brcms_phy_pub *ppi, u16 bw); - -extern int wlc_phy_rssi_compute(struct brcms_phy_pub *pih, - struct d11rxhdr *rxh); -extern void wlc_phy_por_inform(struct brcms_phy_pub *ppi); -extern void wlc_phy_noise_sample_intr(struct brcms_phy_pub *ppi); -extern bool wlc_phy_bist_check_phy(struct brcms_phy_pub *ppi); - -extern void wlc_phy_set_deaf(struct brcms_phy_pub *ppi, bool user_flag); - -extern void wlc_phy_switch_radio(struct brcms_phy_pub *ppi, bool on); -extern void wlc_phy_anacore(struct brcms_phy_pub *ppi, bool on); - - -extern void wlc_phy_BSSinit(struct brcms_phy_pub *ppi, bool bonlyap, int rssi); - -extern void wlc_phy_chanspec_ch14_widefilter_set(struct brcms_phy_pub *ppi, - bool wide_filter); -extern void wlc_phy_chanspec_band_validch(struct brcms_phy_pub *ppi, uint band, - struct brcms_chanvec *channels); -extern u16 wlc_phy_chanspec_band_firstch(struct brcms_phy_pub *ppi, - uint band); - -extern void wlc_phy_txpower_sromlimit(struct brcms_phy_pub *ppi, uint chan, - u8 *_min_, u8 *_max_, int rate); -extern void wlc_phy_txpower_sromlimit_max_get(struct brcms_phy_pub *ppi, - uint chan, u8 *_max_, u8 *_min_); -extern void wlc_phy_txpower_boardlimit_band(struct brcms_phy_pub *ppi, - uint band, s32 *, s32 *, u32 *); -extern void wlc_phy_txpower_limit_set(struct brcms_phy_pub *ppi, - struct txpwr_limits *, - u16 chanspec); -extern int wlc_phy_txpower_get(struct brcms_phy_pub *ppi, uint *qdbm, - bool *override); -extern int wlc_phy_txpower_set(struct brcms_phy_pub *ppi, uint qdbm, - bool override); -extern void wlc_phy_txpower_target_set(struct brcms_phy_pub *ppi, - struct txpwr_limits *); -extern bool wlc_phy_txpower_hw_ctrl_get(struct brcms_phy_pub *ppi); -extern void wlc_phy_txpower_hw_ctrl_set(struct brcms_phy_pub *ppi, - bool hwpwrctrl); -extern u8 wlc_phy_txpower_get_target_min(struct brcms_phy_pub *ppi); -extern u8 wlc_phy_txpower_get_target_max(struct brcms_phy_pub *ppi); -extern bool wlc_phy_txpower_ipa_ison(struct brcms_phy_pub *pih); - -extern void wlc_phy_stf_chain_init(struct brcms_phy_pub *pih, u8 txchain, - u8 rxchain); -extern void wlc_phy_stf_chain_set(struct brcms_phy_pub *pih, u8 txchain, - u8 rxchain); -extern void wlc_phy_stf_chain_get(struct brcms_phy_pub *pih, u8 *txchain, - u8 *rxchain); -extern u8 wlc_phy_stf_chain_active_get(struct brcms_phy_pub *pih); -extern s8 wlc_phy_stf_ssmode_get(struct brcms_phy_pub *pih, - u16 chanspec); -extern void wlc_phy_ldpc_override_set(struct brcms_phy_pub *ppi, bool val); - -extern void wlc_phy_cal_perical(struct brcms_phy_pub *ppi, u8 reason); -extern void wlc_phy_noise_sample_request_external(struct brcms_phy_pub *ppi); -extern void wlc_phy_edcrs_lock(struct brcms_phy_pub *pih, bool lock); -extern void wlc_phy_cal_papd_recal(struct brcms_phy_pub *ppi); - -extern void wlc_phy_ant_rxdiv_set(struct brcms_phy_pub *ppi, u8 val); -extern void wlc_phy_clear_tssi(struct brcms_phy_pub *ppi); -extern void wlc_phy_hold_upd(struct brcms_phy_pub *ppi, u32 id, bool val); -extern void wlc_phy_mute_upd(struct brcms_phy_pub *ppi, bool val, u32 flags); - -extern void wlc_phy_antsel_type_set(struct brcms_phy_pub *ppi, u8 antsel_type); - -extern void wlc_phy_txpower_get_current(struct brcms_phy_pub *ppi, - struct tx_power *power, uint channel); - -extern void wlc_phy_initcal_enable(struct brcms_phy_pub *pih, bool initcal); -extern bool wlc_phy_test_ison(struct brcms_phy_pub *ppi); -extern void wlc_phy_txpwr_percent_set(struct brcms_phy_pub *ppi, - u8 txpwr_percent); -extern void wlc_phy_ofdm_rateset_war(struct brcms_phy_pub *pih, bool war); -extern void wlc_phy_bf_preempt_enable(struct brcms_phy_pub *pih, - bool bf_preempt); -extern void wlc_phy_machwcap_set(struct brcms_phy_pub *ppi, u32 machwcap); - -extern void wlc_phy_runbist_config(struct brcms_phy_pub *ppi, bool start_end); - -extern void wlc_phy_freqtrack_start(struct brcms_phy_pub *ppi); -extern void wlc_phy_freqtrack_end(struct brcms_phy_pub *ppi); - -extern const u8 *wlc_phy_get_ofdm_rate_lookup(void); - -extern s8 wlc_phy_get_tx_power_offset_by_mcs(struct brcms_phy_pub *ppi, - u8 mcs_offset); -extern s8 wlc_phy_get_tx_power_offset(struct brcms_phy_pub *ppi, u8 tbl_offset); +struct shared_phy *wlc_phy_shared_attach(struct shared_phy_params *shp); +struct brcms_phy_pub *wlc_phy_attach(struct shared_phy *sh, + struct bcma_device *d11core, int bandtype, + struct wiphy *wiphy); +void wlc_phy_detach(struct brcms_phy_pub *ppi); + +bool wlc_phy_get_phyversion(struct brcms_phy_pub *pih, u16 *phytype, + u16 *phyrev, u16 *radioid, u16 *radiover); +bool wlc_phy_get_encore(struct brcms_phy_pub *pih); +u32 wlc_phy_get_coreflags(struct brcms_phy_pub *pih); + +void wlc_phy_hw_clk_state_upd(struct brcms_phy_pub *ppi, bool newstate); +void wlc_phy_hw_state_upd(struct brcms_phy_pub *ppi, bool newstate); +void wlc_phy_init(struct brcms_phy_pub *ppi, u16 chanspec); +void wlc_phy_watchdog(struct brcms_phy_pub *ppi); +int wlc_phy_down(struct brcms_phy_pub *ppi); +u32 wlc_phy_clk_bwbits(struct brcms_phy_pub *pih); +void wlc_phy_cal_init(struct brcms_phy_pub *ppi); +void wlc_phy_antsel_init(struct brcms_phy_pub *ppi, bool lut_init); + +void wlc_phy_chanspec_set(struct brcms_phy_pub *ppi, u16 chanspec); +u16 wlc_phy_chanspec_get(struct brcms_phy_pub *ppi); +void wlc_phy_chanspec_radio_set(struct brcms_phy_pub *ppi, u16 newch); +u16 wlc_phy_bw_state_get(struct brcms_phy_pub *ppi); +void wlc_phy_bw_state_set(struct brcms_phy_pub *ppi, u16 bw); + +int wlc_phy_rssi_compute(struct brcms_phy_pub *pih, struct d11rxhdr *rxh); +void wlc_phy_por_inform(struct brcms_phy_pub *ppi); +void wlc_phy_noise_sample_intr(struct brcms_phy_pub *ppi); +bool wlc_phy_bist_check_phy(struct brcms_phy_pub *ppi); + +void wlc_phy_set_deaf(struct brcms_phy_pub *ppi, bool user_flag); + +void wlc_phy_switch_radio(struct brcms_phy_pub *ppi, bool on); +void wlc_phy_anacore(struct brcms_phy_pub *ppi, bool on); + + +void wlc_phy_BSSinit(struct brcms_phy_pub *ppi, bool bonlyap, int rssi); + +void wlc_phy_chanspec_ch14_widefilter_set(struct brcms_phy_pub *ppi, + bool wide_filter); +void wlc_phy_chanspec_band_validch(struct brcms_phy_pub *ppi, uint band, + struct brcms_chanvec *channels); +u16 wlc_phy_chanspec_band_firstch(struct brcms_phy_pub *ppi, uint band); + +void wlc_phy_txpower_sromlimit(struct brcms_phy_pub *ppi, uint chan, u8 *_min_, + u8 *_max_, int rate); +void wlc_phy_txpower_sromlimit_max_get(struct brcms_phy_pub *ppi, uint chan, + u8 *_max_, u8 *_min_); +void wlc_phy_txpower_boardlimit_band(struct brcms_phy_pub *ppi, uint band, + s32 *, s32 *, u32 *); +void wlc_phy_txpower_limit_set(struct brcms_phy_pub *ppi, struct txpwr_limits *, + u16 chanspec); +int wlc_phy_txpower_get(struct brcms_phy_pub *ppi, uint *qdbm, bool *override); +int wlc_phy_txpower_set(struct brcms_phy_pub *ppi, uint qdbm, bool override); +void wlc_phy_txpower_target_set(struct brcms_phy_pub *ppi, + struct txpwr_limits *); +bool wlc_phy_txpower_hw_ctrl_get(struct brcms_phy_pub *ppi); +void wlc_phy_txpower_hw_ctrl_set(struct brcms_phy_pub *ppi, bool hwpwrctrl); +u8 wlc_phy_txpower_get_target_min(struct brcms_phy_pub *ppi); +u8 wlc_phy_txpower_get_target_max(struct brcms_phy_pub *ppi); +bool wlc_phy_txpower_ipa_ison(struct brcms_phy_pub *pih); + +void wlc_phy_stf_chain_init(struct brcms_phy_pub *pih, u8 txchain, u8 rxchain); +void wlc_phy_stf_chain_set(struct brcms_phy_pub *pih, u8 txchain, u8 rxchain); +void wlc_phy_stf_chain_get(struct brcms_phy_pub *pih, u8 *txchain, u8 *rxchain); +u8 wlc_phy_stf_chain_active_get(struct brcms_phy_pub *pih); +s8 wlc_phy_stf_ssmode_get(struct brcms_phy_pub *pih, u16 chanspec); +void wlc_phy_ldpc_override_set(struct brcms_phy_pub *ppi, bool val); + +void wlc_phy_cal_perical(struct brcms_phy_pub *ppi, u8 reason); +void wlc_phy_noise_sample_request_external(struct brcms_phy_pub *ppi); +void wlc_phy_edcrs_lock(struct brcms_phy_pub *pih, bool lock); +void wlc_phy_cal_papd_recal(struct brcms_phy_pub *ppi); + +void wlc_phy_ant_rxdiv_set(struct brcms_phy_pub *ppi, u8 val); +void wlc_phy_clear_tssi(struct brcms_phy_pub *ppi); +void wlc_phy_hold_upd(struct brcms_phy_pub *ppi, u32 id, bool val); +void wlc_phy_mute_upd(struct brcms_phy_pub *ppi, bool val, u32 flags); + +void wlc_phy_antsel_type_set(struct brcms_phy_pub *ppi, u8 antsel_type); + +void wlc_phy_txpower_get_current(struct brcms_phy_pub *ppi, + struct tx_power *power, uint channel); + +void wlc_phy_initcal_enable(struct brcms_phy_pub *pih, bool initcal); +bool wlc_phy_test_ison(struct brcms_phy_pub *ppi); +void wlc_phy_txpwr_percent_set(struct brcms_phy_pub *ppi, u8 txpwr_percent); +void wlc_phy_ofdm_rateset_war(struct brcms_phy_pub *pih, bool war); +void wlc_phy_bf_preempt_enable(struct brcms_phy_pub *pih, bool bf_preempt); +void wlc_phy_machwcap_set(struct brcms_phy_pub *ppi, u32 machwcap); + +void wlc_phy_runbist_config(struct brcms_phy_pub *ppi, bool start_end); + +void wlc_phy_freqtrack_start(struct brcms_phy_pub *ppi); +void wlc_phy_freqtrack_end(struct brcms_phy_pub *ppi); + +const u8 *wlc_phy_get_ofdm_rate_lookup(void); + +s8 wlc_phy_get_tx_power_offset_by_mcs(struct brcms_phy_pub *ppi, + u8 mcs_offset); +s8 wlc_phy_get_tx_power_offset(struct brcms_phy_pub *ppi, u8 tbl_offset); #endif /* _BRCM_PHY_HAL_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h index af00e2c2b26..4960f7d2680 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h @@ -488,7 +488,6 @@ struct lcnphy_cal_results { struct shared_phy { struct brcms_phy *phy_head; uint unit; - struct si_pub *sih; struct phy_shim_info *physhim; uint corerev; u32 machwcap; @@ -911,113 +910,103 @@ struct lcnphy_radio_regs { u8 do_init_g; }; -extern u16 read_phy_reg(struct brcms_phy *pi, u16 addr); -extern void write_phy_reg(struct brcms_phy *pi, u16 addr, u16 val); -extern void and_phy_reg(struct brcms_phy *pi, u16 addr, u16 val); -extern void or_phy_reg(struct brcms_phy *pi, u16 addr, u16 val); -extern void mod_phy_reg(struct brcms_phy *pi, u16 addr, u16 mask, u16 val); - -extern u16 read_radio_reg(struct brcms_phy *pi, u16 addr); -extern void or_radio_reg(struct brcms_phy *pi, u16 addr, u16 val); -extern void and_radio_reg(struct brcms_phy *pi, u16 addr, u16 val); -extern void mod_radio_reg(struct brcms_phy *pi, u16 addr, u16 mask, - u16 val); -extern void xor_radio_reg(struct brcms_phy *pi, u16 addr, u16 mask); - -extern void write_radio_reg(struct brcms_phy *pi, u16 addr, u16 val); - -extern void wlc_phyreg_enter(struct brcms_phy_pub *pih); -extern void wlc_phyreg_exit(struct brcms_phy_pub *pih); -extern void wlc_radioreg_enter(struct brcms_phy_pub *pih); -extern void wlc_radioreg_exit(struct brcms_phy_pub *pih); - -extern void wlc_phy_read_table(struct brcms_phy *pi, - const struct phytbl_info *ptbl_info, - u16 tblAddr, u16 tblDataHi, - u16 tblDatalo); -extern void wlc_phy_write_table(struct brcms_phy *pi, - const struct phytbl_info *ptbl_info, - u16 tblAddr, u16 tblDataHi, u16 tblDatalo); -extern void wlc_phy_table_addr(struct brcms_phy *pi, uint tbl_id, - uint tbl_offset, u16 tblAddr, u16 tblDataHi, - u16 tblDataLo); -extern void wlc_phy_table_data_write(struct brcms_phy *pi, uint width, u32 val); - -extern void write_phy_channel_reg(struct brcms_phy *pi, uint val); -extern void wlc_phy_txpower_update_shm(struct brcms_phy *pi); - -extern u8 wlc_phy_nbits(s32 value); -extern void wlc_phy_compute_dB(u32 *cmplx_pwr, s8 *p_dB, u8 core); - -extern uint wlc_phy_init_radio_regs_allbands(struct brcms_phy *pi, - struct radio_20xx_regs *radioregs); -extern uint wlc_phy_init_radio_regs(struct brcms_phy *pi, - const struct radio_regs *radioregs, - u16 core_offset); - -extern void wlc_phy_txpower_ipa_upd(struct brcms_phy *pi); - -extern void wlc_phy_do_dummy_tx(struct brcms_phy *pi, bool ofdm, bool pa_on); -extern void wlc_phy_papd_decode_epsilon(u32 epsilon, s32 *eps_real, - s32 *eps_imag); - -extern void wlc_phy_cal_perical_mphase_reset(struct brcms_phy *pi); -extern void wlc_phy_cal_perical_mphase_restart(struct brcms_phy *pi); - -extern bool wlc_phy_attach_nphy(struct brcms_phy *pi); -extern bool wlc_phy_attach_lcnphy(struct brcms_phy *pi); - -extern void wlc_phy_detach_lcnphy(struct brcms_phy *pi); - -extern void wlc_phy_init_nphy(struct brcms_phy *pi); -extern void wlc_phy_init_lcnphy(struct brcms_phy *pi); - -extern void wlc_phy_cal_init_nphy(struct brcms_phy *pi); -extern void wlc_phy_cal_init_lcnphy(struct brcms_phy *pi); - -extern void wlc_phy_chanspec_set_nphy(struct brcms_phy *pi, - u16 chanspec); -extern void wlc_phy_chanspec_set_lcnphy(struct brcms_phy *pi, - u16 chanspec); -extern void wlc_phy_chanspec_set_fixup_lcnphy(struct brcms_phy *pi, - u16 chanspec); -extern int wlc_phy_channel2freq(uint channel); -extern int wlc_phy_chanspec_freq2bandrange_lpssn(uint); -extern int wlc_phy_chanspec_bandrange_get(struct brcms_phy *, u16 chanspec); - -extern void wlc_lcnphy_set_tx_pwr_ctrl(struct brcms_phy *pi, u16 mode); -extern s8 wlc_lcnphy_get_current_tx_pwr_idx(struct brcms_phy *pi); - -extern void wlc_phy_txpower_recalc_target_nphy(struct brcms_phy *pi); -extern void wlc_lcnphy_txpower_recalc_target(struct brcms_phy *pi); -extern void wlc_phy_txpower_recalc_target_lcnphy(struct brcms_phy *pi); - -extern void wlc_lcnphy_set_tx_pwr_by_index(struct brcms_phy *pi, int index); -extern void wlc_lcnphy_tx_pu(struct brcms_phy *pi, bool bEnable); -extern void wlc_lcnphy_stop_tx_tone(struct brcms_phy *pi); -extern void wlc_lcnphy_start_tx_tone(struct brcms_phy *pi, s32 f_kHz, - u16 max_val, bool iqcalmode); - -extern void wlc_phy_txpower_sromlimit_get_nphy(struct brcms_phy *pi, uint chan, - u8 *max_pwr, u8 rate_id); -extern void wlc_phy_ofdm_to_mcs_powers_nphy(u8 *power, u8 rate_mcs_start, - u8 rate_mcs_end, - u8 rate_ofdm_start); -extern void wlc_phy_mcs_to_ofdm_powers_nphy(u8 *power, - u8 rate_ofdm_start, - u8 rate_ofdm_end, - u8 rate_mcs_start); - -extern u16 wlc_lcnphy_tempsense(struct brcms_phy *pi, bool mode); -extern s16 wlc_lcnphy_tempsense_new(struct brcms_phy *pi, bool mode); -extern s8 wlc_lcnphy_tempsense_degree(struct brcms_phy *pi, bool mode); -extern s8 wlc_lcnphy_vbatsense(struct brcms_phy *pi, bool mode); -extern void wlc_phy_carrier_suppress_lcnphy(struct brcms_phy *pi); -extern void wlc_lcnphy_crsuprs(struct brcms_phy *pi, int channel); -extern void wlc_lcnphy_epa_switch(struct brcms_phy *pi, bool mode); -extern void wlc_2064_vco_cal(struct brcms_phy *pi); - -extern void wlc_phy_txpower_recalc_target(struct brcms_phy *pi); +u16 read_phy_reg(struct brcms_phy *pi, u16 addr); +void write_phy_reg(struct brcms_phy *pi, u16 addr, u16 val); +void and_phy_reg(struct brcms_phy *pi, u16 addr, u16 val); +void or_phy_reg(struct brcms_phy *pi, u16 addr, u16 val); +void mod_phy_reg(struct brcms_phy *pi, u16 addr, u16 mask, u16 val); + +u16 read_radio_reg(struct brcms_phy *pi, u16 addr); +void or_radio_reg(struct brcms_phy *pi, u16 addr, u16 val); +void and_radio_reg(struct brcms_phy *pi, u16 addr, u16 val); +void mod_radio_reg(struct brcms_phy *pi, u16 addr, u16 mask, u16 val); +void xor_radio_reg(struct brcms_phy *pi, u16 addr, u16 mask); + +void write_radio_reg(struct brcms_phy *pi, u16 addr, u16 val); + +void wlc_phyreg_enter(struct brcms_phy_pub *pih); +void wlc_phyreg_exit(struct brcms_phy_pub *pih); +void wlc_radioreg_enter(struct brcms_phy_pub *pih); +void wlc_radioreg_exit(struct brcms_phy_pub *pih); + +void wlc_phy_read_table(struct brcms_phy *pi, + const struct phytbl_info *ptbl_info, + u16 tblAddr, u16 tblDataHi, u16 tblDatalo); +void wlc_phy_write_table(struct brcms_phy *pi, + const struct phytbl_info *ptbl_info, + u16 tblAddr, u16 tblDataHi, u16 tblDatalo); +void wlc_phy_table_addr(struct brcms_phy *pi, uint tbl_id, uint tbl_offset, + u16 tblAddr, u16 tblDataHi, u16 tblDataLo); +void wlc_phy_table_data_write(struct brcms_phy *pi, uint width, u32 val); + +void write_phy_channel_reg(struct brcms_phy *pi, uint val); +void wlc_phy_txpower_update_shm(struct brcms_phy *pi); + +u8 wlc_phy_nbits(s32 value); +void wlc_phy_compute_dB(u32 *cmplx_pwr, s8 *p_dB, u8 core); + +uint wlc_phy_init_radio_regs_allbands(struct brcms_phy *pi, + struct radio_20xx_regs *radioregs); +uint wlc_phy_init_radio_regs(struct brcms_phy *pi, + const struct radio_regs *radioregs, + u16 core_offset); + +void wlc_phy_txpower_ipa_upd(struct brcms_phy *pi); + +void wlc_phy_do_dummy_tx(struct brcms_phy *pi, bool ofdm, bool pa_on); +void wlc_phy_papd_decode_epsilon(u32 epsilon, s32 *eps_real, s32 *eps_imag); + +void wlc_phy_cal_perical_mphase_reset(struct brcms_phy *pi); +void wlc_phy_cal_perical_mphase_restart(struct brcms_phy *pi); + +bool wlc_phy_attach_nphy(struct brcms_phy *pi); +bool wlc_phy_attach_lcnphy(struct brcms_phy *pi); + +void wlc_phy_detach_lcnphy(struct brcms_phy *pi); + +void wlc_phy_init_nphy(struct brcms_phy *pi); +void wlc_phy_init_lcnphy(struct brcms_phy *pi); + +void wlc_phy_cal_init_nphy(struct brcms_phy *pi); +void wlc_phy_cal_init_lcnphy(struct brcms_phy *pi); + +void wlc_phy_chanspec_set_nphy(struct brcms_phy *pi, u16 chanspec); +void wlc_phy_chanspec_set_lcnphy(struct brcms_phy *pi, u16 chanspec); +void wlc_phy_chanspec_set_fixup_lcnphy(struct brcms_phy *pi, u16 chanspec); +int wlc_phy_channel2freq(uint channel); +int wlc_phy_chanspec_freq2bandrange_lpssn(uint); +int wlc_phy_chanspec_bandrange_get(struct brcms_phy *, u16 chanspec); + +void wlc_lcnphy_set_tx_pwr_ctrl(struct brcms_phy *pi, u16 mode); +s8 wlc_lcnphy_get_current_tx_pwr_idx(struct brcms_phy *pi); + +void wlc_phy_txpower_recalc_target_nphy(struct brcms_phy *pi); +void wlc_lcnphy_txpower_recalc_target(struct brcms_phy *pi); +void wlc_phy_txpower_recalc_target_lcnphy(struct brcms_phy *pi); + +void wlc_lcnphy_set_tx_pwr_by_index(struct brcms_phy *pi, int index); +void wlc_lcnphy_tx_pu(struct brcms_phy *pi, bool bEnable); +void wlc_lcnphy_stop_tx_tone(struct brcms_phy *pi); +void wlc_lcnphy_start_tx_tone(struct brcms_phy *pi, s32 f_kHz, u16 max_val, + bool iqcalmode); + +void wlc_phy_txpower_sromlimit_get_nphy(struct brcms_phy *pi, uint chan, + u8 *max_pwr, u8 rate_id); +void wlc_phy_ofdm_to_mcs_powers_nphy(u8 *power, u8 rate_mcs_start, + u8 rate_mcs_end, u8 rate_ofdm_start); +void wlc_phy_mcs_to_ofdm_powers_nphy(u8 *power, u8 rate_ofdm_start, + u8 rate_ofdm_end, u8 rate_mcs_start); + +u16 wlc_lcnphy_tempsense(struct brcms_phy *pi, bool mode); +s16 wlc_lcnphy_tempsense_new(struct brcms_phy *pi, bool mode); +s8 wlc_lcnphy_tempsense_degree(struct brcms_phy *pi, bool mode); +s8 wlc_lcnphy_vbatsense(struct brcms_phy *pi, bool mode); +void wlc_phy_carrier_suppress_lcnphy(struct brcms_phy *pi); +void wlc_lcnphy_crsuprs(struct brcms_phy *pi, int channel); +void wlc_lcnphy_epa_switch(struct brcms_phy *pi, bool mode); +void wlc_2064_vco_cal(struct brcms_phy *pi); + +void wlc_phy_txpower_recalc_target(struct brcms_phy *pi); #define LCNPHY_TBL_ID_PAPDCOMPDELTATBL 0x18 #define LCNPHY_TX_POWER_TABLE_SIZE 128 @@ -1031,26 +1020,24 @@ extern void wlc_phy_txpower_recalc_target(struct brcms_phy *pi); #define LCNPHY_TX_PWR_CTRL_TEMPBASED 0xE001 -extern void wlc_lcnphy_write_table(struct brcms_phy *pi, - const struct phytbl_info *pti); -extern void wlc_lcnphy_read_table(struct brcms_phy *pi, - struct phytbl_info *pti); -extern void wlc_lcnphy_set_tx_iqcc(struct brcms_phy *pi, u16 a, u16 b); -extern void wlc_lcnphy_set_tx_locc(struct brcms_phy *pi, u16 didq); -extern void wlc_lcnphy_get_tx_iqcc(struct brcms_phy *pi, u16 *a, u16 *b); -extern u16 wlc_lcnphy_get_tx_locc(struct brcms_phy *pi); -extern void wlc_lcnphy_get_radio_loft(struct brcms_phy *pi, u8 *ei0, - u8 *eq0, u8 *fi0, u8 *fq0); -extern void wlc_lcnphy_calib_modes(struct brcms_phy *pi, uint mode); -extern void wlc_lcnphy_deaf_mode(struct brcms_phy *pi, bool mode); -extern bool wlc_phy_tpc_isenabled_lcnphy(struct brcms_phy *pi); -extern void wlc_lcnphy_tx_pwr_update_npt(struct brcms_phy *pi); -extern s32 wlc_lcnphy_tssi2dbm(s32 tssi, s32 a1, s32 b0, s32 b1); -extern void wlc_lcnphy_get_tssi(struct brcms_phy *pi, s8 *ofdm_pwr, - s8 *cck_pwr); -extern void wlc_lcnphy_tx_power_adjustment(struct brcms_phy_pub *ppi); - -extern s32 wlc_lcnphy_rx_signal_power(struct brcms_phy *pi, s32 gain_index); +void wlc_lcnphy_write_table(struct brcms_phy *pi, + const struct phytbl_info *pti); +void wlc_lcnphy_read_table(struct brcms_phy *pi, struct phytbl_info *pti); +void wlc_lcnphy_set_tx_iqcc(struct brcms_phy *pi, u16 a, u16 b); +void wlc_lcnphy_set_tx_locc(struct brcms_phy *pi, u16 didq); +void wlc_lcnphy_get_tx_iqcc(struct brcms_phy *pi, u16 *a, u16 *b); +u16 wlc_lcnphy_get_tx_locc(struct brcms_phy *pi); +void wlc_lcnphy_get_radio_loft(struct brcms_phy *pi, u8 *ei0, u8 *eq0, u8 *fi0, + u8 *fq0); +void wlc_lcnphy_calib_modes(struct brcms_phy *pi, uint mode); +void wlc_lcnphy_deaf_mode(struct brcms_phy *pi, bool mode); +bool wlc_phy_tpc_isenabled_lcnphy(struct brcms_phy *pi); +void wlc_lcnphy_tx_pwr_update_npt(struct brcms_phy *pi); +s32 wlc_lcnphy_tssi2dbm(s32 tssi, s32 a1, s32 b0, s32 b1); +void wlc_lcnphy_get_tssi(struct brcms_phy *pi, s8 *ofdm_pwr, s8 *cck_pwr); +void wlc_lcnphy_tx_power_adjustment(struct brcms_phy_pub *ppi); + +s32 wlc_lcnphy_rx_signal_power(struct brcms_phy *pi, s32 gain_index); #define NPHY_MAX_HPVGA1_INDEX 10 #define NPHY_DEF_HPVGA1_INDEXLIMIT 7 @@ -1061,9 +1048,8 @@ struct phy_iq_est { u32 q_pwr; }; -extern void wlc_phy_stay_in_carriersearch_nphy(struct brcms_phy *pi, - bool enable); -extern void wlc_nphy_deaf_mode(struct brcms_phy *pi, bool mode); +void wlc_phy_stay_in_carriersearch_nphy(struct brcms_phy *pi, bool enable); +void wlc_nphy_deaf_mode(struct brcms_phy *pi, bool mode); #define wlc_phy_write_table_nphy(pi, pti) \ wlc_phy_write_table(pi, pti, 0x72, 0x74, 0x73) @@ -1077,10 +1063,10 @@ extern void wlc_nphy_deaf_mode(struct brcms_phy *pi, bool mode); #define wlc_nphy_table_data_write(pi, w, v) \ wlc_phy_table_data_write((pi), (w), (v)) -extern void wlc_phy_table_read_nphy(struct brcms_phy *pi, u32, u32 l, u32 o, - u32 w, void *d); -extern void wlc_phy_table_write_nphy(struct brcms_phy *pi, u32, u32, u32, - u32, const void *); +void wlc_phy_table_read_nphy(struct brcms_phy *pi, u32, u32 l, u32 o, u32 w, + void *d); +void wlc_phy_table_write_nphy(struct brcms_phy *pi, u32, u32, u32, u32, + const void *); #define PHY_IPA(pi) \ ((pi->ipa2g_on && CHSPEC_IS2G(pi->radio_chanspec)) || \ @@ -1090,73 +1076,67 @@ extern void wlc_phy_table_write_nphy(struct brcms_phy *pi, u32, u32, u32, if (NREV_LT((pi)->pubpi.phy_rev, 3)) \ (void)bcma_read32(pi->d11core, D11REGOFFS(maccontrol)) -extern void wlc_phy_cal_perical_nphy_run(struct brcms_phy *pi, u8 caltype); -extern void wlc_phy_aci_reset_nphy(struct brcms_phy *pi); -extern void wlc_phy_pa_override_nphy(struct brcms_phy *pi, bool en); - -extern u8 wlc_phy_get_chan_freq_range_nphy(struct brcms_phy *pi, uint chan); -extern void wlc_phy_switch_radio_nphy(struct brcms_phy *pi, bool on); - -extern void wlc_phy_stf_chain_upd_nphy(struct brcms_phy *pi); - -extern void wlc_phy_force_rfseq_nphy(struct brcms_phy *pi, u8 cmd); -extern s16 wlc_phy_tempsense_nphy(struct brcms_phy *pi); - -extern u16 wlc_phy_classifier_nphy(struct brcms_phy *pi, u16 mask, u16 val); - -extern void wlc_phy_rx_iq_est_nphy(struct brcms_phy *pi, struct phy_iq_est *est, - u16 num_samps, u8 wait_time, - u8 wait_for_crs); - -extern void wlc_phy_rx_iq_coeffs_nphy(struct brcms_phy *pi, u8 write, - struct nphy_iq_comp *comp); -extern void wlc_phy_aci_and_noise_reduction_nphy(struct brcms_phy *pi); - -extern void wlc_phy_rxcore_setstate_nphy(struct brcms_phy_pub *pih, - u8 rxcore_bitmask); -extern u8 wlc_phy_rxcore_getstate_nphy(struct brcms_phy_pub *pih); - -extern void wlc_phy_txpwrctrl_enable_nphy(struct brcms_phy *pi, u8 ctrl_type); -extern void wlc_phy_txpwr_fixpower_nphy(struct brcms_phy *pi); -extern void wlc_phy_txpwr_apply_nphy(struct brcms_phy *pi); -extern void wlc_phy_txpwr_papd_cal_nphy(struct brcms_phy *pi); -extern u16 wlc_phy_txpwr_idx_get_nphy(struct brcms_phy *pi); - -extern struct nphy_txgains wlc_phy_get_tx_gain_nphy(struct brcms_phy *pi); -extern int wlc_phy_cal_txiqlo_nphy(struct brcms_phy *pi, - struct nphy_txgains target_gain, - bool full, bool m); -extern int wlc_phy_cal_rxiq_nphy(struct brcms_phy *pi, - struct nphy_txgains target_gain, - u8 type, bool d); -extern void wlc_phy_txpwr_index_nphy(struct brcms_phy *pi, u8 core_mask, - s8 txpwrindex, bool res); -extern void wlc_phy_rssisel_nphy(struct brcms_phy *pi, u8 core, u8 rssi_type); -extern int wlc_phy_poll_rssi_nphy(struct brcms_phy *pi, u8 rssi_type, - s32 *rssi_buf, u8 nsamps); -extern void wlc_phy_rssi_cal_nphy(struct brcms_phy *pi); -extern int wlc_phy_aci_scan_nphy(struct brcms_phy *pi); -extern void wlc_phy_cal_txgainctrl_nphy(struct brcms_phy *pi, - s32 dBm_targetpower, bool debug); -extern int wlc_phy_tx_tone_nphy(struct brcms_phy *pi, u32 f_kHz, u16 max_val, - u8 mode, u8, bool); -extern void wlc_phy_stopplayback_nphy(struct brcms_phy *pi); -extern void wlc_phy_est_tonepwr_nphy(struct brcms_phy *pi, s32 *qdBm_pwrbuf, - u8 num_samps); -extern void wlc_phy_radio205x_vcocal_nphy(struct brcms_phy *pi); - -extern int wlc_phy_rssi_compute_nphy(struct brcms_phy *pi, - struct d11rxhdr *rxh); +void wlc_phy_cal_perical_nphy_run(struct brcms_phy *pi, u8 caltype); +void wlc_phy_aci_reset_nphy(struct brcms_phy *pi); +void wlc_phy_pa_override_nphy(struct brcms_phy *pi, bool en); + +u8 wlc_phy_get_chan_freq_range_nphy(struct brcms_phy *pi, uint chan); +void wlc_phy_switch_radio_nphy(struct brcms_phy *pi, bool on); + +void wlc_phy_stf_chain_upd_nphy(struct brcms_phy *pi); + +void wlc_phy_force_rfseq_nphy(struct brcms_phy *pi, u8 cmd); +s16 wlc_phy_tempsense_nphy(struct brcms_phy *pi); + +u16 wlc_phy_classifier_nphy(struct brcms_phy *pi, u16 mask, u16 val); + +void wlc_phy_rx_iq_est_nphy(struct brcms_phy *pi, struct phy_iq_est *est, + u16 num_samps, u8 wait_time, u8 wait_for_crs); + +void wlc_phy_rx_iq_coeffs_nphy(struct brcms_phy *pi, u8 write, + struct nphy_iq_comp *comp); +void wlc_phy_aci_and_noise_reduction_nphy(struct brcms_phy *pi); + +void wlc_phy_rxcore_setstate_nphy(struct brcms_phy_pub *pih, u8 rxcore_bitmask); +u8 wlc_phy_rxcore_getstate_nphy(struct brcms_phy_pub *pih); + +void wlc_phy_txpwrctrl_enable_nphy(struct brcms_phy *pi, u8 ctrl_type); +void wlc_phy_txpwr_fixpower_nphy(struct brcms_phy *pi); +void wlc_phy_txpwr_apply_nphy(struct brcms_phy *pi); +void wlc_phy_txpwr_papd_cal_nphy(struct brcms_phy *pi); +u16 wlc_phy_txpwr_idx_get_nphy(struct brcms_phy *pi); + +struct nphy_txgains wlc_phy_get_tx_gain_nphy(struct brcms_phy *pi); +int wlc_phy_cal_txiqlo_nphy(struct brcms_phy *pi, + struct nphy_txgains target_gain, bool full, bool m); +int wlc_phy_cal_rxiq_nphy(struct brcms_phy *pi, struct nphy_txgains target_gain, + u8 type, bool d); +void wlc_phy_txpwr_index_nphy(struct brcms_phy *pi, u8 core_mask, + s8 txpwrindex, bool res); +void wlc_phy_rssisel_nphy(struct brcms_phy *pi, u8 core, u8 rssi_type); +int wlc_phy_poll_rssi_nphy(struct brcms_phy *pi, u8 rssi_type, + s32 *rssi_buf, u8 nsamps); +void wlc_phy_rssi_cal_nphy(struct brcms_phy *pi); +int wlc_phy_aci_scan_nphy(struct brcms_phy *pi); +void wlc_phy_cal_txgainctrl_nphy(struct brcms_phy *pi, s32 dBm_targetpower, + bool debug); +int wlc_phy_tx_tone_nphy(struct brcms_phy *pi, u32 f_kHz, u16 max_val, u8 mode, + u8, bool); +void wlc_phy_stopplayback_nphy(struct brcms_phy *pi); +void wlc_phy_est_tonepwr_nphy(struct brcms_phy *pi, s32 *qdBm_pwrbuf, + u8 num_samps); +void wlc_phy_radio205x_vcocal_nphy(struct brcms_phy *pi); + +int wlc_phy_rssi_compute_nphy(struct brcms_phy *pi, struct d11rxhdr *rxh); #define NPHY_TESTPATTERN_BPHY_EVM 0 #define NPHY_TESTPATTERN_BPHY_RFCS 1 -extern void wlc_phy_nphy_tkip_rifs_war(struct brcms_phy *pi, u8 rifs); +void wlc_phy_nphy_tkip_rifs_war(struct brcms_phy *pi, u8 rifs); void wlc_phy_get_pwrdet_offsets(struct brcms_phy *pi, s8 *cckoffset, s8 *ofdmoffset); -extern s8 wlc_phy_upd_rssi_offset(struct brcms_phy *pi, s8 rssi, - u16 chanspec); +s8 wlc_phy_upd_rssi_offset(struct brcms_phy *pi, s8 rssi, u16 chanspec); -extern bool wlc_phy_n_txpower_ipa_ison(struct brcms_phy *pih); +bool wlc_phy_n_txpower_ipa_ison(struct brcms_phy *pih); #endif /* _BRCM_PHY_INT_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c index abfd78822fb..b2d6d6da3da 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c @@ -1137,8 +1137,9 @@ wlc_lcnphy_set_rx_gain_by_distribution(struct brcms_phy *pi, gain0_15 = ((biq1 & 0xf) << 12) | ((tia & 0xf) << 8) | ((lna2 & 0x3) << 6) | - ((lna2 & - 0x3) << 4) | ((lna1 & 0x3) << 2) | ((lna1 & 0x3) << 0); + ((lna2 & 0x3) << 4) | + ((lna1 & 0x3) << 2) | + ((lna1 & 0x3) << 0); mod_phy_reg(pi, 0x4b6, (0xffff << 0), gain0_15 << 0); mod_phy_reg(pi, 0x4b7, (0xf << 0), gain16_19 << 0); @@ -1328,6 +1329,43 @@ static u32 wlc_lcnphy_measure_digital_power(struct brcms_phy *pi, u16 nsamples) return (iq_est.i_pwr + iq_est.q_pwr) / nsamples; } +static bool wlc_lcnphy_rx_iq_cal_gain(struct brcms_phy *pi, u16 biq1_gain, + u16 tia_gain, u16 lna2_gain) +{ + u32 i_thresh_l, q_thresh_l; + u32 i_thresh_h, q_thresh_h; + struct lcnphy_iq_est iq_est_h, iq_est_l; + + wlc_lcnphy_set_rx_gain_by_distribution(pi, 0, 0, 0, biq1_gain, tia_gain, + lna2_gain, 0); + + wlc_lcnphy_rx_gain_override_enable(pi, true); + wlc_lcnphy_start_tx_tone(pi, 2000, (40 >> 1), 0); + udelay(500); + write_radio_reg(pi, RADIO_2064_REG112, 0); + if (!wlc_lcnphy_rx_iq_est(pi, 1024, 32, &iq_est_l)) + return false; + + wlc_lcnphy_start_tx_tone(pi, 2000, 40, 0); + udelay(500); + write_radio_reg(pi, RADIO_2064_REG112, 0); + if (!wlc_lcnphy_rx_iq_est(pi, 1024, 32, &iq_est_h)) + return false; + + i_thresh_l = (iq_est_l.i_pwr << 1); + i_thresh_h = (iq_est_l.i_pwr << 2) + iq_est_l.i_pwr; + + q_thresh_l = (iq_est_l.q_pwr << 1); + q_thresh_h = (iq_est_l.q_pwr << 2) + iq_est_l.q_pwr; + if ((iq_est_h.i_pwr > i_thresh_l) && + (iq_est_h.i_pwr < i_thresh_h) && + (iq_est_h.q_pwr > q_thresh_l) && + (iq_est_h.q_pwr < q_thresh_h)) + return true; + + return false; +} + static bool wlc_lcnphy_rx_iq_cal(struct brcms_phy *pi, const struct lcnphy_rx_iqcomp *iqcomp, @@ -1342,8 +1380,8 @@ wlc_lcnphy_rx_iq_cal(struct brcms_phy *pi, RFOverrideVal0_old, rfoverride2_old, rfoverride2val_old, rfoverride3_old, rfoverride3val_old, rfoverride4_old, rfoverride4val_old, afectrlovr_old, afectrlovrval_old; - int tia_gain; - u32 received_power, rx_pwr_threshold; + int tia_gain, lna2_gain, biq1_gain; + bool set_gain; u16 old_sslpnCalibClkEnCtrl, old_sslpnRxFeClkEnCtrl; u16 values_to_save[11]; s16 *ptr; @@ -1368,126 +1406,125 @@ wlc_lcnphy_rx_iq_cal(struct brcms_phy *pi, goto cal_done; } - if (module == 1) { + WARN_ON(module != 1); + tx_pwr_ctrl = wlc_lcnphy_get_tx_pwr_ctrl(pi); + wlc_lcnphy_set_tx_pwr_ctrl(pi, LCNPHY_TX_PWR_CTRL_OFF); - tx_pwr_ctrl = wlc_lcnphy_get_tx_pwr_ctrl(pi); - wlc_lcnphy_set_tx_pwr_ctrl(pi, LCNPHY_TX_PWR_CTRL_OFF); + for (i = 0; i < 11; i++) + values_to_save[i] = + read_radio_reg(pi, rxiq_cal_rf_reg[i]); + Core1TxControl_old = read_phy_reg(pi, 0x631); + + or_phy_reg(pi, 0x631, 0x0015); + + RFOverride0_old = read_phy_reg(pi, 0x44c); + RFOverrideVal0_old = read_phy_reg(pi, 0x44d); + rfoverride2_old = read_phy_reg(pi, 0x4b0); + rfoverride2val_old = read_phy_reg(pi, 0x4b1); + rfoverride3_old = read_phy_reg(pi, 0x4f9); + rfoverride3val_old = read_phy_reg(pi, 0x4fa); + rfoverride4_old = read_phy_reg(pi, 0x938); + rfoverride4val_old = read_phy_reg(pi, 0x939); + afectrlovr_old = read_phy_reg(pi, 0x43b); + afectrlovrval_old = read_phy_reg(pi, 0x43c); + old_sslpnCalibClkEnCtrl = read_phy_reg(pi, 0x6da); + old_sslpnRxFeClkEnCtrl = read_phy_reg(pi, 0x6db); - for (i = 0; i < 11; i++) - values_to_save[i] = - read_radio_reg(pi, rxiq_cal_rf_reg[i]); - Core1TxControl_old = read_phy_reg(pi, 0x631); - - or_phy_reg(pi, 0x631, 0x0015); - - RFOverride0_old = read_phy_reg(pi, 0x44c); - RFOverrideVal0_old = read_phy_reg(pi, 0x44d); - rfoverride2_old = read_phy_reg(pi, 0x4b0); - rfoverride2val_old = read_phy_reg(pi, 0x4b1); - rfoverride3_old = read_phy_reg(pi, 0x4f9); - rfoverride3val_old = read_phy_reg(pi, 0x4fa); - rfoverride4_old = read_phy_reg(pi, 0x938); - rfoverride4val_old = read_phy_reg(pi, 0x939); - afectrlovr_old = read_phy_reg(pi, 0x43b); - afectrlovrval_old = read_phy_reg(pi, 0x43c); - old_sslpnCalibClkEnCtrl = read_phy_reg(pi, 0x6da); - old_sslpnRxFeClkEnCtrl = read_phy_reg(pi, 0x6db); - - tx_gain_override_old = wlc_lcnphy_tx_gain_override_enabled(pi); - if (tx_gain_override_old) { - wlc_lcnphy_get_tx_gain(pi, &old_gains); - tx_gain_index_old = pi_lcn->lcnphy_current_index; - } + tx_gain_override_old = wlc_lcnphy_tx_gain_override_enabled(pi); + if (tx_gain_override_old) { + wlc_lcnphy_get_tx_gain(pi, &old_gains); + tx_gain_index_old = pi_lcn->lcnphy_current_index; + } - wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_idx); + wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_idx); - mod_phy_reg(pi, 0x4f9, (0x1 << 0), 1 << 0); - mod_phy_reg(pi, 0x4fa, (0x1 << 0), 0 << 0); + mod_phy_reg(pi, 0x4f9, (0x1 << 0), 1 << 0); + mod_phy_reg(pi, 0x4fa, (0x1 << 0), 0 << 0); - mod_phy_reg(pi, 0x43b, (0x1 << 1), 1 << 1); - mod_phy_reg(pi, 0x43c, (0x1 << 1), 0 << 1); + mod_phy_reg(pi, 0x43b, (0x1 << 1), 1 << 1); + mod_phy_reg(pi, 0x43c, (0x1 << 1), 0 << 1); - write_radio_reg(pi, RADIO_2064_REG116, 0x06); - write_radio_reg(pi, RADIO_2064_REG12C, 0x07); - write_radio_reg(pi, RADIO_2064_REG06A, 0xd3); - write_radio_reg(pi, RADIO_2064_REG098, 0x03); - write_radio_reg(pi, RADIO_2064_REG00B, 0x7); - mod_radio_reg(pi, RADIO_2064_REG113, 1 << 4, 1 << 4); - write_radio_reg(pi, RADIO_2064_REG01D, 0x01); - write_radio_reg(pi, RADIO_2064_REG114, 0x01); - write_radio_reg(pi, RADIO_2064_REG02E, 0x10); - write_radio_reg(pi, RADIO_2064_REG12A, 0x08); - - mod_phy_reg(pi, 0x938, (0x1 << 0), 1 << 0); - mod_phy_reg(pi, 0x939, (0x1 << 0), 0 << 0); - mod_phy_reg(pi, 0x938, (0x1 << 1), 1 << 1); - mod_phy_reg(pi, 0x939, (0x1 << 1), 1 << 1); - mod_phy_reg(pi, 0x938, (0x1 << 2), 1 << 2); - mod_phy_reg(pi, 0x939, (0x1 << 2), 1 << 2); - mod_phy_reg(pi, 0x938, (0x1 << 3), 1 << 3); - mod_phy_reg(pi, 0x939, (0x1 << 3), 1 << 3); - mod_phy_reg(pi, 0x938, (0x1 << 5), 1 << 5); - mod_phy_reg(pi, 0x939, (0x1 << 5), 0 << 5); - - mod_phy_reg(pi, 0x43b, (0x1 << 0), 1 << 0); - mod_phy_reg(pi, 0x43c, (0x1 << 0), 0 << 0); - - wlc_lcnphy_start_tx_tone(pi, 2000, 120, 0); - write_phy_reg(pi, 0x6da, 0xffff); - or_phy_reg(pi, 0x6db, 0x3); - wlc_lcnphy_set_trsw_override(pi, tx_switch, rx_switch); - wlc_lcnphy_rx_gain_override_enable(pi, true); - - tia_gain = 8; - rx_pwr_threshold = 950; - while (tia_gain > 0) { - tia_gain -= 1; - wlc_lcnphy_set_rx_gain_by_distribution(pi, - 0, 0, 2, 2, - (u16) - tia_gain, 1, 0); - udelay(500); + write_radio_reg(pi, RADIO_2064_REG116, 0x06); + write_radio_reg(pi, RADIO_2064_REG12C, 0x07); + write_radio_reg(pi, RADIO_2064_REG06A, 0xd3); + write_radio_reg(pi, RADIO_2064_REG098, 0x03); + write_radio_reg(pi, RADIO_2064_REG00B, 0x7); + mod_radio_reg(pi, RADIO_2064_REG113, 1 << 4, 1 << 4); + write_radio_reg(pi, RADIO_2064_REG01D, 0x01); + write_radio_reg(pi, RADIO_2064_REG114, 0x01); + write_radio_reg(pi, RADIO_2064_REG02E, 0x10); + write_radio_reg(pi, RADIO_2064_REG12A, 0x08); + + mod_phy_reg(pi, 0x938, (0x1 << 0), 1 << 0); + mod_phy_reg(pi, 0x939, (0x1 << 0), 0 << 0); + mod_phy_reg(pi, 0x938, (0x1 << 1), 1 << 1); + mod_phy_reg(pi, 0x939, (0x1 << 1), 1 << 1); + mod_phy_reg(pi, 0x938, (0x1 << 2), 1 << 2); + mod_phy_reg(pi, 0x939, (0x1 << 2), 1 << 2); + mod_phy_reg(pi, 0x938, (0x1 << 3), 1 << 3); + mod_phy_reg(pi, 0x939, (0x1 << 3), 1 << 3); + mod_phy_reg(pi, 0x938, (0x1 << 5), 1 << 5); + mod_phy_reg(pi, 0x939, (0x1 << 5), 0 << 5); - received_power = - wlc_lcnphy_measure_digital_power(pi, 2000); - if (received_power < rx_pwr_threshold) - break; - } - result = wlc_lcnphy_calc_rx_iq_comp(pi, 0xffff); + mod_phy_reg(pi, 0x43b, (0x1 << 0), 1 << 0); + mod_phy_reg(pi, 0x43c, (0x1 << 0), 0 << 0); - wlc_lcnphy_stop_tx_tone(pi); + write_phy_reg(pi, 0x6da, 0xffff); + or_phy_reg(pi, 0x6db, 0x3); + + wlc_lcnphy_set_trsw_override(pi, tx_switch, rx_switch); + for (lna2_gain = 3; lna2_gain >= 0; lna2_gain--) { + for (tia_gain = 4; tia_gain >= 0; tia_gain--) { + for (biq1_gain = 6; biq1_gain >= 0; biq1_gain--) { + set_gain = wlc_lcnphy_rx_iq_cal_gain(pi, + (u16) + biq1_gain, + (u16) + tia_gain, + (u16) + lna2_gain); + if (!set_gain) + continue; + + result = wlc_lcnphy_calc_rx_iq_comp(pi, 1024); + goto stop_tone; + } + } + } - write_phy_reg(pi, 0x631, Core1TxControl_old); +stop_tone: + wlc_lcnphy_stop_tx_tone(pi); - write_phy_reg(pi, 0x44c, RFOverrideVal0_old); - write_phy_reg(pi, 0x44d, RFOverrideVal0_old); - write_phy_reg(pi, 0x4b0, rfoverride2_old); - write_phy_reg(pi, 0x4b1, rfoverride2val_old); - write_phy_reg(pi, 0x4f9, rfoverride3_old); - write_phy_reg(pi, 0x4fa, rfoverride3val_old); - write_phy_reg(pi, 0x938, rfoverride4_old); - write_phy_reg(pi, 0x939, rfoverride4val_old); - write_phy_reg(pi, 0x43b, afectrlovr_old); - write_phy_reg(pi, 0x43c, afectrlovrval_old); - write_phy_reg(pi, 0x6da, old_sslpnCalibClkEnCtrl); - write_phy_reg(pi, 0x6db, old_sslpnRxFeClkEnCtrl); + write_phy_reg(pi, 0x631, Core1TxControl_old); + + write_phy_reg(pi, 0x44c, RFOverrideVal0_old); + write_phy_reg(pi, 0x44d, RFOverrideVal0_old); + write_phy_reg(pi, 0x4b0, rfoverride2_old); + write_phy_reg(pi, 0x4b1, rfoverride2val_old); + write_phy_reg(pi, 0x4f9, rfoverride3_old); + write_phy_reg(pi, 0x4fa, rfoverride3val_old); + write_phy_reg(pi, 0x938, rfoverride4_old); + write_phy_reg(pi, 0x939, rfoverride4val_old); + write_phy_reg(pi, 0x43b, afectrlovr_old); + write_phy_reg(pi, 0x43c, afectrlovrval_old); + write_phy_reg(pi, 0x6da, old_sslpnCalibClkEnCtrl); + write_phy_reg(pi, 0x6db, old_sslpnRxFeClkEnCtrl); - wlc_lcnphy_clear_trsw_override(pi); + wlc_lcnphy_clear_trsw_override(pi); - mod_phy_reg(pi, 0x44c, (0x1 << 2), 0 << 2); + mod_phy_reg(pi, 0x44c, (0x1 << 2), 0 << 2); - for (i = 0; i < 11; i++) - write_radio_reg(pi, rxiq_cal_rf_reg[i], - values_to_save[i]); + for (i = 0; i < 11; i++) + write_radio_reg(pi, rxiq_cal_rf_reg[i], + values_to_save[i]); - if (tx_gain_override_old) - wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_index_old); - else - wlc_lcnphy_disable_tx_gain_override(pi); + if (tx_gain_override_old) + wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_index_old); + else + wlc_lcnphy_disable_tx_gain_override(pi); - wlc_lcnphy_set_tx_pwr_ctrl(pi, tx_pwr_ctrl); - wlc_lcnphy_rx_gain_override_enable(pi, false); - } + wlc_lcnphy_set_tx_pwr_ctrl(pi, tx_pwr_ctrl); + wlc_lcnphy_rx_gain_override_enable(pi, false); cal_done: kfree(ptr); @@ -1595,11 +1632,15 @@ wlc_lcnphy_set_chanspec_tweaks(struct brcms_phy *pi, u16 chanspec) if (channel == 1 || channel == 2 || channel == 3 || channel == 4 || channel == 9 || channel == 10 || channel == 11 || channel == 12) { - si_pmu_pllcontrol(pi->sh->sih, 0x2, 0xffffffff, 0x03000c04); - si_pmu_pllcontrol(pi->sh->sih, 0x3, 0xffffff, 0x0); - si_pmu_pllcontrol(pi->sh->sih, 0x4, 0xffffffff, 0x200005c0); - - si_pmu_pllupd(pi->sh->sih); + bcma_chipco_pll_write(&pi->d11core->bus->drv_cc, 0x2, + 0x03000c04); + bcma_chipco_pll_maskset(&pi->d11core->bus->drv_cc, 0x3, + ~0x00ffffff, 0x0); + bcma_chipco_pll_write(&pi->d11core->bus->drv_cc, 0x4, + 0x200005c0); + + bcma_cc_set32(&pi->d11core->bus->drv_cc, BCMA_CC_PMU_CTL, + BCMA_CC_PMU_CTL_PLL_UPD); write_phy_reg(pi, 0x942, 0); wlc_lcnphy_txrx_spur_avoidance_mode(pi, false); pi_lcn->lcnphy_spurmod = false; @@ -1607,11 +1648,15 @@ wlc_lcnphy_set_chanspec_tweaks(struct brcms_phy *pi, u16 chanspec) write_phy_reg(pi, 0x425, 0x5907); } else { - si_pmu_pllcontrol(pi->sh->sih, 0x2, 0xffffffff, 0x03140c04); - si_pmu_pllcontrol(pi->sh->sih, 0x3, 0xffffff, 0x333333); - si_pmu_pllcontrol(pi->sh->sih, 0x4, 0xffffffff, 0x202c2820); - - si_pmu_pllupd(pi->sh->sih); + bcma_chipco_pll_write(&pi->d11core->bus->drv_cc, 0x2, + 0x03140c04); + bcma_chipco_pll_maskset(&pi->d11core->bus->drv_cc, 0x3, + ~0x00ffffff, 0x333333); + bcma_chipco_pll_write(&pi->d11core->bus->drv_cc, 0x4, + 0x202c2820); + + bcma_cc_set32(&pi->d11core->bus->drv_cc, BCMA_CC_PMU_CTL, + BCMA_CC_PMU_CTL_PLL_UPD); write_phy_reg(pi, 0x942, 0); wlc_lcnphy_txrx_spur_avoidance_mode(pi, true); @@ -1781,6 +1826,19 @@ wlc_lcnphy_radio_2064_channel_tune_4313(struct brcms_phy *pi, u8 channel) write_radio_reg(pi, RADIO_2064_REG038, 3); write_radio_reg(pi, RADIO_2064_REG091, 7); } + + if (!(pi->sh->boardflags & BFL_FEM)) { + static const u8 reg038[14] = { + 0xd, 0xe, 0xd, 0xd, 0xd, 0xc, 0xa, + 0xb, 0xb, 0x3, 0x3, 0x2, 0x0, 0x0 + }; + + write_radio_reg(pi, RADIO_2064_REG02A, 0xf); + write_radio_reg(pi, RADIO_2064_REG091, 0x3); + write_radio_reg(pi, RADIO_2064_REG038, 0x3); + + write_radio_reg(pi, RADIO_2064_REG038, reg038[channel - 1]); + } } static int @@ -1860,41 +1918,6 @@ wlc_lcnphy_load_tx_iir_filter(struct brcms_phy *pi, bool is_ofdm, s16 filt_type) return (filt_index != -1) ? 0 : -1; } -void wlc_phy_chanspec_set_lcnphy(struct brcms_phy *pi, u16 chanspec) -{ - u8 channel = CHSPEC_CHANNEL(chanspec); - - wlc_phy_chanspec_radio_set((struct brcms_phy_pub *) pi, chanspec); - - wlc_lcnphy_set_chanspec_tweaks(pi, pi->radio_chanspec); - - or_phy_reg(pi, 0x44a, 0x44); - write_phy_reg(pi, 0x44a, 0x80); - - wlc_lcnphy_radio_2064_channel_tune_4313(pi, channel); - udelay(1000); - - wlc_lcnphy_toggle_afe_pwdn(pi); - - write_phy_reg(pi, 0x657, lcnphy_sfo_cfg[channel - 1].ptcentreTs20); - write_phy_reg(pi, 0x658, lcnphy_sfo_cfg[channel - 1].ptcentreFactor); - - if (CHSPEC_CHANNEL(pi->radio_chanspec) == 14) { - mod_phy_reg(pi, 0x448, (0x3 << 8), (2) << 8); - - wlc_lcnphy_load_tx_iir_filter(pi, false, 3); - } else { - mod_phy_reg(pi, 0x448, (0x3 << 8), (1) << 8); - - wlc_lcnphy_load_tx_iir_filter(pi, false, 2); - } - - wlc_lcnphy_load_tx_iir_filter(pi, true, 0); - - mod_phy_reg(pi, 0x4eb, (0x7 << 3), (1) << 3); - -} - static u16 wlc_lcnphy_get_pa_gain(struct brcms_phy *pi) { u16 pa_gain; @@ -1936,6 +1959,21 @@ static void wlc_lcnphy_set_tx_gain(struct brcms_phy *pi, wlc_lcnphy_enable_tx_gain_override(pi); } +static u8 wlc_lcnphy_get_bbmult(struct brcms_phy *pi) +{ + u16 m0m1; + struct phytbl_info tab; + + tab.tbl_ptr = &m0m1; + tab.tbl_len = 1; + tab.tbl_id = LCNPHY_TBL_ID_IQLOCAL; + tab.tbl_offset = 87; + tab.tbl_width = 16; + wlc_lcnphy_read_table(pi, &tab); + + return (u8) ((m0m1 & 0xff00) >> 8); +} + static void wlc_lcnphy_set_bbmult(struct brcms_phy *pi, u8 m0) { u16 m0m1 = (u16) m0 << 8; @@ -1995,6 +2033,16 @@ wlc_lcnphy_set_tssi_mux(struct brcms_phy *pi, enum lcnphy_tssi_mode pos) } else { mod_radio_reg(pi, RADIO_2064_REG03A, 1, 0x1); mod_radio_reg(pi, RADIO_2064_REG11A, 0x8, 0x8); + mod_radio_reg(pi, RADIO_2064_REG028, 0x1, 0x0); + mod_radio_reg(pi, RADIO_2064_REG11A, 0x4, 1<<2); + mod_radio_reg(pi, RADIO_2064_REG036, 0x10, 0x0); + mod_radio_reg(pi, RADIO_2064_REG11A, 0x10, 1<<4); + mod_radio_reg(pi, RADIO_2064_REG036, 0x3, 0x0); + mod_radio_reg(pi, RADIO_2064_REG035, 0xff, 0x77); + mod_radio_reg(pi, RADIO_2064_REG028, 0x1e, 0xe<<1); + mod_radio_reg(pi, RADIO_2064_REG112, 0x80, 1<<7); + mod_radio_reg(pi, RADIO_2064_REG005, 0x7, 1<<1); + mod_radio_reg(pi, RADIO_2064_REG029, 0xf0, 0<<4); } } else { mod_phy_reg(pi, 0x4d9, (0x1 << 2), (0x1) << 2); @@ -2081,13 +2129,23 @@ static void wlc_lcnphy_pwrctrl_rssiparams(struct brcms_phy *pi) (auxpga_vmid_temp << 0) | (auxpga_gain_temp << 12)); mod_radio_reg(pi, RADIO_2064_REG082, (1 << 5), (1 << 5)); + mod_radio_reg(pi, RADIO_2064_REG07C, (1 << 0), (1 << 0)); } static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi) { struct phytbl_info tab; u32 rfseq, ind; + enum lcnphy_tssi_mode mode; + u8 tssi_sel; + if (pi->sh->boardflags & BFL_FEM) { + tssi_sel = 0x1; + mode = LCNPHY_TSSI_EXT; + } else { + tssi_sel = 0xe; + mode = LCNPHY_TSSI_POST_PA; + } tab.tbl_id = LCNPHY_TBL_ID_TXPWRCTL; tab.tbl_width = 32; tab.tbl_ptr = &ind; @@ -2108,7 +2166,7 @@ static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi) mod_phy_reg(pi, 0x503, (0x1 << 4), (1) << 4); - wlc_lcnphy_set_tssi_mux(pi, LCNPHY_TSSI_EXT); + wlc_lcnphy_set_tssi_mux(pi, mode); mod_phy_reg(pi, 0x4a4, (0x1 << 14), (0) << 14); mod_phy_reg(pi, 0x4a4, (0x1 << 15), (1) << 15); @@ -2144,9 +2202,10 @@ static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi) mod_phy_reg(pi, 0x49a, (0x1ff << 0), (0xff) << 0); if (LCNREV_IS(pi->pubpi.phy_rev, 2)) { - mod_radio_reg(pi, RADIO_2064_REG028, 0xf, 0xe); + mod_radio_reg(pi, RADIO_2064_REG028, 0xf, tssi_sel); mod_radio_reg(pi, RADIO_2064_REG086, 0x4, 0x4); } else { + mod_radio_reg(pi, RADIO_2064_REG028, 0x1e, tssi_sel << 1); mod_radio_reg(pi, RADIO_2064_REG03A, 0x1, 1); mod_radio_reg(pi, RADIO_2064_REG11A, 0x8, 1 << 3); } @@ -2193,6 +2252,10 @@ static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi) mod_phy_reg(pi, 0x4d7, (0xf << 8), (0) << 8); + mod_radio_reg(pi, RADIO_2064_REG035, 0xff, 0x0); + mod_radio_reg(pi, RADIO_2064_REG036, 0x3, 0x0); + mod_radio_reg(pi, RADIO_2064_REG11A, 0x8, 0x8); + wlc_lcnphy_pwrctrl_rssiparams(pi); } @@ -2811,6 +2874,8 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi) read_radio_reg(pi, RADIO_2064_REG007) & 1; u16 SAVE_jtag_auxpga = read_radio_reg(pi, RADIO_2064_REG0FF) & 0x10; u16 SAVE_iqadc_aux_en = read_radio_reg(pi, RADIO_2064_REG11F) & 4; + u8 SAVE_bbmult = wlc_lcnphy_get_bbmult(pi); + idleTssi = read_phy_reg(pi, 0x4ab); suspend = (0 == (bcma_read32(pi->d11core, D11REGOFFS(maccontrol)) & MCTL_EN_MAC)); @@ -2828,6 +2893,12 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi) mod_radio_reg(pi, RADIO_2064_REG0FF, 0x10, 1 << 4); mod_radio_reg(pi, RADIO_2064_REG11F, 0x4, 1 << 2); wlc_lcnphy_tssi_setup(pi); + + mod_phy_reg(pi, 0x4d7, (0x1 << 0), (1 << 0)); + mod_phy_reg(pi, 0x4d7, (0x1 << 6), (1 << 6)); + + wlc_lcnphy_set_bbmult(pi, 0x0); + wlc_phy_do_dummy_tx(pi, true, OFF); idleTssi = ((read_phy_reg(pi, 0x4ab) & (0x1ff << 0)) >> 0); @@ -2849,6 +2920,7 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi) mod_phy_reg(pi, 0x44c, (0x1 << 12), (0) << 12); + wlc_lcnphy_set_bbmult(pi, SAVE_bbmult); wlc_lcnphy_set_tx_gain_override(pi, tx_gain_override_old); wlc_lcnphy_set_tx_gain(pi, &old_gains); wlc_lcnphy_set_tx_pwr_ctrl(pi, SAVE_txpwrctrl); @@ -3062,6 +3134,11 @@ static void wlc_lcnphy_tx_pwr_ctrl_init(struct brcms_phy_pub *ppi) wlc_lcnphy_write_table(pi, &tab); tab.tbl_offset++; } + mod_phy_reg(pi, 0x4d0, (0x1 << 0), (0) << 0); + mod_phy_reg(pi, 0x4d3, (0xff << 0), (0) << 0); + mod_phy_reg(pi, 0x4d3, (0xff << 8), (0) << 8); + mod_phy_reg(pi, 0x4d0, (0x1 << 4), (0) << 4); + mod_phy_reg(pi, 0x4d0, (0x1 << 2), (0) << 2); mod_phy_reg(pi, 0x410, (0x1 << 7), (0) << 7); @@ -3075,21 +3152,6 @@ static void wlc_lcnphy_tx_pwr_ctrl_init(struct brcms_phy_pub *ppi) wlapi_enable_mac(pi->sh->physhim); } -static u8 wlc_lcnphy_get_bbmult(struct brcms_phy *pi) -{ - u16 m0m1; - struct phytbl_info tab; - - tab.tbl_ptr = &m0m1; - tab.tbl_len = 1; - tab.tbl_id = LCNPHY_TBL_ID_IQLOCAL; - tab.tbl_offset = 87; - tab.tbl_width = 16; - wlc_lcnphy_read_table(pi, &tab); - - return (u8) ((m0m1 & 0xff00) >> 8); -} - static void wlc_lcnphy_set_pa_gain(struct brcms_phy *pi, u16 gain) { mod_phy_reg(pi, 0x4fb, @@ -3878,7 +3940,6 @@ static void wlc_lcnphy_txpwrtbl_iqlo_cal(struct brcms_phy *pi) target_gains.pad_gain = 21; target_gains.dac_gain = 0; wlc_lcnphy_set_tx_gain(pi, &target_gains); - wlc_lcnphy_set_tx_pwr_by_index(pi, 16); if (LCNREV_IS(pi->pubpi.phy_rev, 1) || pi_lcn->lcnphy_hw_iqcal_en) { @@ -3889,6 +3950,7 @@ static void wlc_lcnphy_txpwrtbl_iqlo_cal(struct brcms_phy *pi) lcnphy_recal ? LCNPHY_CAL_RECAL : LCNPHY_CAL_FULL), false); } else { + wlc_lcnphy_set_tx_pwr_by_index(pi, 16); wlc_lcnphy_tx_iqlo_soft_cal_full(pi); } @@ -4310,20 +4372,20 @@ wlc_lcnphy_load_tx_gain_table(struct brcms_phy *pi, u16 pa_gain; u16 gm_gain; - if (CHSPEC_IS5G(pi->radio_chanspec)) - pa_gain = 0x70; - else - pa_gain = 0x70; - if (pi->sh->boardflags & BFL_FEM) pa_gain = 0x10; + else + pa_gain = 0x60; tab.tbl_id = LCNPHY_TBL_ID_TXPWRCTL; tab.tbl_width = 32; tab.tbl_len = 1; tab.tbl_ptr = &val; + /* fixed gm_gain value for iPA */ + gm_gain = 15; for (j = 0; j < 128; j++) { - gm_gain = gain_table[j].gm; + if (pi->sh->boardflags & BFL_FEM) + gm_gain = gain_table[j].gm; val = (((u32) pa_gain << 24) | (gain_table[j].pad << 16) | (gain_table[j].pga << 8) | gm_gain); @@ -4534,7 +4596,10 @@ static void wlc_radio_2064_init(struct brcms_phy *pi) write_phy_reg(pi, 0x4ea, 0x4688); - mod_phy_reg(pi, 0x4eb, (0x7 << 0), 2 << 0); + if (pi->sh->boardflags & BFL_FEM) + mod_phy_reg(pi, 0x4eb, (0x7 << 0), 2 << 0); + else + mod_phy_reg(pi, 0x4eb, (0x7 << 0), 3 << 0); mod_phy_reg(pi, 0x4eb, (0x7 << 6), 0 << 6); @@ -4545,6 +4610,13 @@ static void wlc_radio_2064_init(struct brcms_phy *pi) wlc_lcnphy_rcal(pi); wlc_lcnphy_rc_cal(pi); + + if (!(pi->sh->boardflags & BFL_FEM)) { + write_radio_reg(pi, RADIO_2064_REG032, 0x6f); + write_radio_reg(pi, RADIO_2064_REG033, 0x19); + write_radio_reg(pi, RADIO_2064_REG039, 0xe); + } + } static void wlc_lcnphy_radio_init(struct brcms_phy *pi) @@ -4557,6 +4629,7 @@ static void wlc_lcnphy_tbl_init(struct brcms_phy *pi) uint idx; u8 phybw40; struct phytbl_info tab; + const struct phytbl_info *tb; u32 val; phybw40 = CHSPEC_IS40(pi->radio_chanspec); @@ -4574,22 +4647,20 @@ static void wlc_lcnphy_tbl_init(struct brcms_phy *pi) wlc_lcnphy_write_table(pi, &tab); } - tab.tbl_id = LCNPHY_TBL_ID_RFSEQ; - tab.tbl_width = 16; - tab.tbl_ptr = &val; - tab.tbl_len = 1; - - val = 114; - tab.tbl_offset = 0; - wlc_lcnphy_write_table(pi, &tab); + if (!(pi->sh->boardflags & BFL_FEM)) { + tab.tbl_id = LCNPHY_TBL_ID_RFSEQ; + tab.tbl_width = 16; + tab.tbl_ptr = &val; + tab.tbl_len = 1; - val = 130; - tab.tbl_offset = 1; - wlc_lcnphy_write_table(pi, &tab); + val = 150; + tab.tbl_offset = 0; + wlc_lcnphy_write_table(pi, &tab); - val = 6; - tab.tbl_offset = 8; - wlc_lcnphy_write_table(pi, &tab); + val = 220; + tab.tbl_offset = 1; + wlc_lcnphy_write_table(pi, &tab); + } if (CHSPEC_IS2G(pi->radio_chanspec)) { if (pi->sh->boardflags & BFL_FEM) @@ -4603,7 +4674,6 @@ static void wlc_lcnphy_tbl_init(struct brcms_phy *pi) } if (LCNREV_IS(pi->pubpi.phy_rev, 2)) { - const struct phytbl_info *tb; int l; if (CHSPEC_IS2G(pi->radio_chanspec)) { @@ -4624,21 +4694,22 @@ static void wlc_lcnphy_tbl_init(struct brcms_phy *pi) wlc_lcnphy_write_table(pi, &tb[idx]); } - if ((pi->sh->boardflags & BFL_FEM) - && !(pi->sh->boardflags & BFL_FEM_BT)) - wlc_lcnphy_write_table(pi, &dot11lcn_sw_ctrl_tbl_info_4313_epa); - else if (pi->sh->boardflags & BFL_FEM_BT) { - if (pi->sh->boardrev < 0x1250) - wlc_lcnphy_write_table( - pi, - &dot11lcn_sw_ctrl_tbl_info_4313_bt_epa); + if (pi->sh->boardflags & BFL_FEM) { + if (pi->sh->boardflags & BFL_FEM_BT) { + if (pi->sh->boardrev < 0x1250) + tb = &dot11lcn_sw_ctrl_tbl_info_4313_bt_epa; + else + tb = &dot11lcn_sw_ctrl_tbl_info_4313_bt_epa_p250; + } else { + tb = &dot11lcn_sw_ctrl_tbl_info_4313_epa; + } + } else { + if (pi->sh->boardflags & BFL_FEM_BT) + tb = &dot11lcn_sw_ctrl_tbl_info_4313_bt_ipa; else - wlc_lcnphy_write_table( - pi, - &dot11lcn_sw_ctrl_tbl_info_4313_bt_epa_p250); - } else - wlc_lcnphy_write_table(pi, &dot11lcn_sw_ctrl_tbl_info_4313); - + tb = &dot11lcn_sw_ctrl_tbl_info_4313; + } + wlc_lcnphy_write_table(pi, tb); wlc_lcnphy_load_rfpower(pi); wlc_lcnphy_clear_papd_comptable(pi); @@ -4790,9 +4861,10 @@ void wlc_phy_init_lcnphy(struct brcms_phy *pi) wlc_phy_chanspec_set((struct brcms_phy_pub *) pi, pi->radio_chanspec); - si_pmu_regcontrol(pi->sh->sih, 0, 0xf, 0x9); + bcma_chipco_regctl_maskset(&pi->d11core->bus->drv_cc, 0, ~0xf, 0x9); - si_pmu_chipcontrol(pi->sh->sih, 0, 0xffffffff, 0x03CDDDDD); + bcma_chipco_chipctl_maskset(&pi->d11core->bus->drv_cc, 0, 0x0, + 0x03CDDDDD); if ((pi->sh->boardflags & BFL_FEM) && wlc_lcnphy_tempsense_based_pwr_ctrl_enabled(pi)) @@ -4946,6 +5018,45 @@ void wlc_phy_txpower_recalc_target_lcnphy(struct brcms_phy *pi) } } +void wlc_phy_chanspec_set_lcnphy(struct brcms_phy *pi, u16 chanspec) +{ + u8 channel = CHSPEC_CHANNEL(chanspec); + + wlc_phy_chanspec_radio_set((struct brcms_phy_pub *)pi, chanspec); + + wlc_lcnphy_set_chanspec_tweaks(pi, pi->radio_chanspec); + + or_phy_reg(pi, 0x44a, 0x44); + write_phy_reg(pi, 0x44a, 0x80); + + wlc_lcnphy_radio_2064_channel_tune_4313(pi, channel); + udelay(1000); + + wlc_lcnphy_toggle_afe_pwdn(pi); + + write_phy_reg(pi, 0x657, lcnphy_sfo_cfg[channel - 1].ptcentreTs20); + write_phy_reg(pi, 0x658, lcnphy_sfo_cfg[channel - 1].ptcentreFactor); + + if (CHSPEC_CHANNEL(pi->radio_chanspec) == 14) { + mod_phy_reg(pi, 0x448, (0x3 << 8), (2) << 8); + + wlc_lcnphy_load_tx_iir_filter(pi, false, 3); + } else { + mod_phy_reg(pi, 0x448, (0x3 << 8), (1) << 8); + + wlc_lcnphy_load_tx_iir_filter(pi, false, 2); + } + + if (pi->sh->boardflags & BFL_FEM) + wlc_lcnphy_load_tx_iir_filter(pi, true, 0); + else + wlc_lcnphy_load_tx_iir_filter(pi, true, 3); + + mod_phy_reg(pi, 0x4eb, (0x7 << 3), (1) << 3); + if (wlc_lcnphy_tssi_based_pwr_ctrl_enabled(pi)) + wlc_lcnphy_tssi_setup(pi); +} + void wlc_phy_detach_lcnphy(struct brcms_phy *pi) { kfree(pi->u.pi_lcnphy); @@ -4966,7 +5077,7 @@ bool wlc_phy_attach_lcnphy(struct brcms_phy *pi) pi->hwpwrctrl_capable = true; } - pi->xtalfreq = si_pmu_alp_clock(pi->sh->sih); + pi->xtalfreq = bcma_chipco_get_alp_clock(&pi->d11core->bus->drv_cc); pi_lcn->lcnphy_papd_rxGnCtrl_init = 0; pi->pi_fptr.init = wlc_phy_init_lcnphy; @@ -4982,8 +5093,7 @@ bool wlc_phy_attach_lcnphy(struct brcms_phy *pi) if (!wlc_phy_txpwr_srom_read_lcnphy(pi)) return false; - if ((pi->sh->boardflags & BFL_FEM) && - (LCNREV_IS(pi->pubpi.phy_rev, 1))) { + if (LCNREV_IS(pi->pubpi.phy_rev, 1)) { if (pi_lcn->lcnphy_tempsense_option == 3) { pi->hwpwrctrl = true; pi->hwpwrctrl_capable = true; diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c index 65db9b7458d..3e9f5b25be6 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c @@ -19321,14 +19321,13 @@ void wlc_phy_init_nphy(struct brcms_phy *pi) (pi->sh->chippkg == BCMA_PKG_ID_BCM4718))) { if ((pi->sh->boardflags & BFL_EXTLNA) && (CHSPEC_IS2G(pi->radio_chanspec))) - ai_cc_reg(pi->sh->sih, - offsetof(struct chipcregs, chipcontrol), - 0x40, 0x40); + bcma_cc_set32(&pi->d11core->bus->drv_cc, + BCMA_CC_CHIPCTL, 0x40); } if ((!PHY_IPA(pi)) && (pi->sh->chip == BCMA_CHIP_ID_BCM5357)) - si_pmu_chipcontrol(pi->sh->sih, 1, CCTRL5357_EXTPA, - CCTRL5357_EXTPA); + bcma_chipco_chipctl_maskset(&pi->d11core->bus->drv_cc, 1, + ~CCTRL5357_EXTPA, CCTRL5357_EXTPA); if ((pi->nphy_gband_spurwar2_en) && CHSPEC_IS2G(pi->radio_chanspec) && CHSPEC_IS40(pi->radio_chanspec)) { @@ -21133,7 +21132,6 @@ wlc_phy_chanspec_nphy_setup(struct brcms_phy *pi, u16 chanspec, const struct nphy_sfo_cfg *ci) { u16 val; - struct si_info *sii = container_of(pi->sh->sih, struct si_info, pub); val = read_phy_reg(pi, 0x09) & NPHY_BandControl_currentBand; if (CHSPEC_IS5G(chanspec) && !val) { @@ -21221,11 +21219,11 @@ wlc_phy_chanspec_nphy_setup(struct brcms_phy *pi, u16 chanspec, if ((pi->sh->chip == BCMA_CHIP_ID_BCM4716) || (pi->sh->chip == BCMA_CHIP_ID_BCM43225)) { - bcma_pmu_spuravoid_pllupdate(&sii->icbus->drv_cc, + bcma_pmu_spuravoid_pllupdate(&pi->d11core->bus->drv_cc, spuravoid); } else { wlapi_bmac_core_phypll_ctl(pi->sh->physhim, false); - bcma_pmu_spuravoid_pllupdate(&sii->icbus->drv_cc, + bcma_pmu_spuravoid_pllupdate(&pi->d11core->bus->drv_cc, spuravoid); wlapi_bmac_core_phypll_ctl(pi->sh->physhim, true); } diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c b/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c index 622c01ca72c..d7fa312214f 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c @@ -1507,117 +1507,103 @@ static const u32 dot11lcn_gain_tbl_5G[] = { const struct phytbl_info dot11lcnphytbl_rx_gain_info_rev0[] = { {&dot11lcn_gain_tbl_rev0, - sizeof(dot11lcn_gain_tbl_rev0) / sizeof(dot11lcn_gain_tbl_rev0[0]), 18, + ARRAY_SIZE(dot11lcn_gain_tbl_rev0), 18, 0, 32} , {&dot11lcn_aux_gain_idx_tbl_rev0, - sizeof(dot11lcn_aux_gain_idx_tbl_rev0) / - sizeof(dot11lcn_aux_gain_idx_tbl_rev0[0]), 14, 0, 16} + ARRAY_SIZE(dot11lcn_aux_gain_idx_tbl_rev0), 14, 0, 16} , {&dot11lcn_gain_idx_tbl_rev0, - sizeof(dot11lcn_gain_idx_tbl_rev0) / - sizeof(dot11lcn_gain_idx_tbl_rev0[0]), 13, 0, 32} + ARRAY_SIZE(dot11lcn_gain_idx_tbl_rev0), 13, 0, 32} , }; static const struct phytbl_info dot11lcnphytbl_rx_gain_info_rev1[] = { {&dot11lcn_gain_tbl_rev1, - sizeof(dot11lcn_gain_tbl_rev1) / sizeof(dot11lcn_gain_tbl_rev1[0]), 18, + ARRAY_SIZE(dot11lcn_gain_tbl_rev1), 18, 0, 32} , {&dot11lcn_aux_gain_idx_tbl_rev0, - sizeof(dot11lcn_aux_gain_idx_tbl_rev0) / - sizeof(dot11lcn_aux_gain_idx_tbl_rev0[0]), 14, 0, 16} + ARRAY_SIZE(dot11lcn_aux_gain_idx_tbl_rev0), 14, 0, 16} , {&dot11lcn_gain_idx_tbl_rev0, - sizeof(dot11lcn_gain_idx_tbl_rev0) / - sizeof(dot11lcn_gain_idx_tbl_rev0[0]), 13, 0, 32} + ARRAY_SIZE(dot11lcn_gain_idx_tbl_rev0), 13, 0, 32} , }; const struct phytbl_info dot11lcnphytbl_rx_gain_info_2G_rev2[] = { {&dot11lcn_gain_tbl_2G, - sizeof(dot11lcn_gain_tbl_2G) / sizeof(dot11lcn_gain_tbl_2G[0]), 18, 0, + ARRAY_SIZE(dot11lcn_gain_tbl_2G), 18, 0, 32} , {&dot11lcn_aux_gain_idx_tbl_2G, - sizeof(dot11lcn_aux_gain_idx_tbl_2G) / - sizeof(dot11lcn_aux_gain_idx_tbl_2G[0]), 14, 0, 16} + ARRAY_SIZE(dot11lcn_aux_gain_idx_tbl_2G), 14, 0, 16} , {&dot11lcn_gain_idx_tbl_2G, - sizeof(dot11lcn_gain_idx_tbl_2G) / sizeof(dot11lcn_gain_idx_tbl_2G[0]), + ARRAY_SIZE(dot11lcn_gain_idx_tbl_2G), 13, 0, 32} , {&dot11lcn_gain_val_tbl_2G, - sizeof(dot11lcn_gain_val_tbl_2G) / sizeof(dot11lcn_gain_val_tbl_2G[0]), + ARRAY_SIZE(dot11lcn_gain_val_tbl_2G), 17, 0, 8} }; const struct phytbl_info dot11lcnphytbl_rx_gain_info_5G_rev2[] = { {&dot11lcn_gain_tbl_5G, - sizeof(dot11lcn_gain_tbl_5G) / sizeof(dot11lcn_gain_tbl_5G[0]), 18, 0, + ARRAY_SIZE(dot11lcn_gain_tbl_5G), 18, 0, 32} , {&dot11lcn_aux_gain_idx_tbl_5G, - sizeof(dot11lcn_aux_gain_idx_tbl_5G) / - sizeof(dot11lcn_aux_gain_idx_tbl_5G[0]), 14, 0, 16} + ARRAY_SIZE(dot11lcn_aux_gain_idx_tbl_5G), 14, 0, 16} , {&dot11lcn_gain_idx_tbl_5G, - sizeof(dot11lcn_gain_idx_tbl_5G) / sizeof(dot11lcn_gain_idx_tbl_5G[0]), + ARRAY_SIZE(dot11lcn_gain_idx_tbl_5G), 13, 0, 32} , {&dot11lcn_gain_val_tbl_5G, - sizeof(dot11lcn_gain_val_tbl_5G) / sizeof(dot11lcn_gain_val_tbl_5G[0]), + ARRAY_SIZE(dot11lcn_gain_val_tbl_5G), 17, 0, 8} }; const struct phytbl_info dot11lcnphytbl_rx_gain_info_extlna_2G_rev2[] = { {&dot11lcn_gain_tbl_extlna_2G, - sizeof(dot11lcn_gain_tbl_extlna_2G) / - sizeof(dot11lcn_gain_tbl_extlna_2G[0]), 18, 0, 32} + ARRAY_SIZE(dot11lcn_gain_tbl_extlna_2G), 18, 0, 32} , {&dot11lcn_aux_gain_idx_tbl_extlna_2G, - sizeof(dot11lcn_aux_gain_idx_tbl_extlna_2G) / - sizeof(dot11lcn_aux_gain_idx_tbl_extlna_2G[0]), 14, 0, 16} + ARRAY_SIZE(dot11lcn_aux_gain_idx_tbl_extlna_2G), 14, 0, 16} , {&dot11lcn_gain_idx_tbl_extlna_2G, - sizeof(dot11lcn_gain_idx_tbl_extlna_2G) / - sizeof(dot11lcn_gain_idx_tbl_extlna_2G[0]), 13, 0, 32} + ARRAY_SIZE(dot11lcn_gain_idx_tbl_extlna_2G), 13, 0, 32} , {&dot11lcn_gain_val_tbl_extlna_2G, - sizeof(dot11lcn_gain_val_tbl_extlna_2G) / - sizeof(dot11lcn_gain_val_tbl_extlna_2G[0]), 17, 0, 8} + ARRAY_SIZE(dot11lcn_gain_val_tbl_extlna_2G), 17, 0, 8} }; const struct phytbl_info dot11lcnphytbl_rx_gain_info_extlna_5G_rev2[] = { {&dot11lcn_gain_tbl_5G, - sizeof(dot11lcn_gain_tbl_5G) / sizeof(dot11lcn_gain_tbl_5G[0]), 18, 0, + ARRAY_SIZE(dot11lcn_gain_tbl_5G), 18, 0, 32} , {&dot11lcn_aux_gain_idx_tbl_5G, - sizeof(dot11lcn_aux_gain_idx_tbl_5G) / - sizeof(dot11lcn_aux_gain_idx_tbl_5G[0]), 14, 0, 16} + ARRAY_SIZE(dot11lcn_aux_gain_idx_tbl_5G), 14, 0, 16} , {&dot11lcn_gain_idx_tbl_5G, - sizeof(dot11lcn_gain_idx_tbl_5G) / sizeof(dot11lcn_gain_idx_tbl_5G[0]), + ARRAY_SIZE(dot11lcn_gain_idx_tbl_5G), 13, 0, 32} , {&dot11lcn_gain_val_tbl_5G, - sizeof(dot11lcn_gain_val_tbl_5G) / sizeof(dot11lcn_gain_val_tbl_5G[0]), + ARRAY_SIZE(dot11lcn_gain_val_tbl_5G), 17, 0, 8} }; const u32 dot11lcnphytbl_rx_gain_info_sz_rev0 = - sizeof(dot11lcnphytbl_rx_gain_info_rev0) / - sizeof(dot11lcnphytbl_rx_gain_info_rev0[0]); + ARRAY_SIZE(dot11lcnphytbl_rx_gain_info_rev0); const u32 dot11lcnphytbl_rx_gain_info_2G_rev2_sz = - sizeof(dot11lcnphytbl_rx_gain_info_2G_rev2) / - sizeof(dot11lcnphytbl_rx_gain_info_2G_rev2[0]); + ARRAY_SIZE(dot11lcnphytbl_rx_gain_info_2G_rev2); const u32 dot11lcnphytbl_rx_gain_info_5G_rev2_sz = - sizeof(dot11lcnphytbl_rx_gain_info_5G_rev2) / - sizeof(dot11lcnphytbl_rx_gain_info_5G_rev2[0]); + ARRAY_SIZE(dot11lcnphytbl_rx_gain_info_5G_rev2); static const u16 dot11lcn_min_sig_sq_tbl_rev0[] = { 0x014d, @@ -2058,6 +2044,73 @@ static const u16 dot11lcn_sw_ctrl_tbl_4313_rev0[] = { 0x0005, }; +static const u16 dot11lcn_sw_ctrl_tbl_4313_ipa_rev0_combo[] = { + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, + 0x0005, + 0x0006, + 0x0009, + 0x000a, +}; + static const u16 dot11lcn_sw_ctrl_tbl_rev0[] = { 0x0004, 0x0004, @@ -2771,89 +2824,79 @@ static const u32 dot11lcn_papd_compdelta_tbl_rev0[] = { const struct phytbl_info dot11lcnphytbl_info_rev0[] = { {&dot11lcn_min_sig_sq_tbl_rev0, - sizeof(dot11lcn_min_sig_sq_tbl_rev0) / - sizeof(dot11lcn_min_sig_sq_tbl_rev0[0]), 2, 0, 16} + ARRAY_SIZE(dot11lcn_min_sig_sq_tbl_rev0), 2, 0, 16} , {&dot11lcn_noise_scale_tbl_rev0, - sizeof(dot11lcn_noise_scale_tbl_rev0) / - sizeof(dot11lcn_noise_scale_tbl_rev0[0]), 1, 0, 16} + ARRAY_SIZE(dot11lcn_noise_scale_tbl_rev0), 1, 0, 16} , {&dot11lcn_fltr_ctrl_tbl_rev0, - sizeof(dot11lcn_fltr_ctrl_tbl_rev0) / - sizeof(dot11lcn_fltr_ctrl_tbl_rev0[0]), 11, 0, 32} + ARRAY_SIZE(dot11lcn_fltr_ctrl_tbl_rev0), 11, 0, 32} , {&dot11lcn_ps_ctrl_tbl_rev0, - sizeof(dot11lcn_ps_ctrl_tbl_rev0) / - sizeof(dot11lcn_ps_ctrl_tbl_rev0[0]), 12, 0, 32} + ARRAY_SIZE(dot11lcn_ps_ctrl_tbl_rev0), 12, 0, 32} , {&dot11lcn_gain_idx_tbl_rev0, - sizeof(dot11lcn_gain_idx_tbl_rev0) / - sizeof(dot11lcn_gain_idx_tbl_rev0[0]), 13, 0, 32} + ARRAY_SIZE(dot11lcn_gain_idx_tbl_rev0), 13, 0, 32} , {&dot11lcn_aux_gain_idx_tbl_rev0, - sizeof(dot11lcn_aux_gain_idx_tbl_rev0) / - sizeof(dot11lcn_aux_gain_idx_tbl_rev0[0]), 14, 0, 16} + ARRAY_SIZE(dot11lcn_aux_gain_idx_tbl_rev0), 14, 0, 16} , {&dot11lcn_sw_ctrl_tbl_rev0, - sizeof(dot11lcn_sw_ctrl_tbl_rev0) / - sizeof(dot11lcn_sw_ctrl_tbl_rev0[0]), 15, 0, 16} + ARRAY_SIZE(dot11lcn_sw_ctrl_tbl_rev0), 15, 0, 16} , {&dot11lcn_nf_table_rev0, - sizeof(dot11lcn_nf_table_rev0) / sizeof(dot11lcn_nf_table_rev0[0]), 16, + ARRAY_SIZE(dot11lcn_nf_table_rev0), 16, 0, 8} , {&dot11lcn_gain_val_tbl_rev0, - sizeof(dot11lcn_gain_val_tbl_rev0) / - sizeof(dot11lcn_gain_val_tbl_rev0[0]), 17, 0, 8} + ARRAY_SIZE(dot11lcn_gain_val_tbl_rev0), 17, 0, 8} , {&dot11lcn_gain_tbl_rev0, - sizeof(dot11lcn_gain_tbl_rev0) / sizeof(dot11lcn_gain_tbl_rev0[0]), 18, + ARRAY_SIZE(dot11lcn_gain_tbl_rev0), 18, 0, 32} , {&dot11lcn_spur_tbl_rev0, - sizeof(dot11lcn_spur_tbl_rev0) / sizeof(dot11lcn_spur_tbl_rev0[0]), 20, + ARRAY_SIZE(dot11lcn_spur_tbl_rev0), 20, 0, 8} , {&dot11lcn_unsup_mcs_tbl_rev0, - sizeof(dot11lcn_unsup_mcs_tbl_rev0) / - sizeof(dot11lcn_unsup_mcs_tbl_rev0[0]), 23, 0, 16} + ARRAY_SIZE(dot11lcn_unsup_mcs_tbl_rev0), 23, 0, 16} , {&dot11lcn_iq_local_tbl_rev0, - sizeof(dot11lcn_iq_local_tbl_rev0) / - sizeof(dot11lcn_iq_local_tbl_rev0[0]), 0, 0, 16} + ARRAY_SIZE(dot11lcn_iq_local_tbl_rev0), 0, 0, 16} , {&dot11lcn_papd_compdelta_tbl_rev0, - sizeof(dot11lcn_papd_compdelta_tbl_rev0) / - sizeof(dot11lcn_papd_compdelta_tbl_rev0[0]), 24, 0, 32} + ARRAY_SIZE(dot11lcn_papd_compdelta_tbl_rev0), 24, 0, 32} , }; const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313 = { &dot11lcn_sw_ctrl_tbl_4313_rev0, - sizeof(dot11lcn_sw_ctrl_tbl_4313_rev0) / - sizeof(dot11lcn_sw_ctrl_tbl_4313_rev0[0]), 15, 0, 16 + ARRAY_SIZE(dot11lcn_sw_ctrl_tbl_4313_rev0), 15, 0, 16 +}; + +const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_bt_ipa = { + &dot11lcn_sw_ctrl_tbl_4313_ipa_rev0_combo, + ARRAY_SIZE(dot11lcn_sw_ctrl_tbl_4313_ipa_rev0_combo), 15, 0, 16 }; const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_epa = { &dot11lcn_sw_ctrl_tbl_4313_epa_rev0, - sizeof(dot11lcn_sw_ctrl_tbl_4313_epa_rev0) / - sizeof(dot11lcn_sw_ctrl_tbl_4313_epa_rev0[0]), 15, 0, 16 + ARRAY_SIZE(dot11lcn_sw_ctrl_tbl_4313_epa_rev0), 15, 0, 16 }; const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_bt_epa = { &dot11lcn_sw_ctrl_tbl_4313_epa_rev0_combo, - sizeof(dot11lcn_sw_ctrl_tbl_4313_epa_rev0_combo) / - sizeof(dot11lcn_sw_ctrl_tbl_4313_epa_rev0_combo[0]), 15, 0, 16 + ARRAY_SIZE(dot11lcn_sw_ctrl_tbl_4313_epa_rev0_combo), 15, 0, 16 }; const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_bt_epa_p250 = { &dot11lcn_sw_ctrl_tbl_4313_bt_epa_p250_rev0, - sizeof(dot11lcn_sw_ctrl_tbl_4313_bt_epa_p250_rev0) / - sizeof(dot11lcn_sw_ctrl_tbl_4313_bt_epa_p250_rev0[0]), 15, 0, 16 + ARRAY_SIZE(dot11lcn_sw_ctrl_tbl_4313_bt_epa_p250_rev0), 15, 0, 16 }; const u32 dot11lcnphytbl_info_sz_rev0 = - sizeof(dot11lcnphytbl_info_rev0) / sizeof(dot11lcnphytbl_info_rev0[0]); + ARRAY_SIZE(dot11lcnphytbl_info_rev0); const struct lcnphy_tx_gain_tbl_entry dot11lcnphy_2GHz_extPA_gaintable_rev0[128] = { @@ -2988,134 +3031,134 @@ dot11lcnphy_2GHz_extPA_gaintable_rev0[128] = { }; const struct lcnphy_tx_gain_tbl_entry dot11lcnphy_2GHz_gaintable_rev0[128] = { - {7, 0, 31, 0, 72}, - {7, 0, 31, 0, 70}, - {7, 0, 31, 0, 68}, - {7, 0, 30, 0, 67}, - {7, 0, 29, 0, 68}, - {7, 0, 28, 0, 68}, - {7, 0, 27, 0, 69}, - {7, 0, 26, 0, 70}, - {7, 0, 25, 0, 70}, - {7, 0, 24, 0, 71}, - {7, 0, 23, 0, 72}, - {7, 0, 23, 0, 70}, - {7, 0, 22, 0, 71}, - {7, 0, 21, 0, 72}, - {7, 0, 21, 0, 70}, - {7, 0, 21, 0, 68}, - {7, 0, 21, 0, 66}, - {7, 0, 21, 0, 64}, - {7, 0, 21, 0, 63}, - {7, 0, 20, 0, 64}, - {7, 0, 19, 0, 65}, - {7, 0, 19, 0, 64}, - {7, 0, 18, 0, 65}, - {7, 0, 18, 0, 64}, - {7, 0, 17, 0, 65}, - {7, 0, 17, 0, 64}, - {7, 0, 16, 0, 65}, - {7, 0, 16, 0, 64}, - {7, 0, 16, 0, 62}, - {7, 0, 16, 0, 60}, - {7, 0, 16, 0, 58}, - {7, 0, 15, 0, 61}, - {7, 0, 15, 0, 59}, - {7, 0, 14, 0, 61}, - {7, 0, 14, 0, 60}, - {7, 0, 14, 0, 58}, - {7, 0, 13, 0, 60}, - {7, 0, 13, 0, 59}, - {7, 0, 12, 0, 62}, - {7, 0, 12, 0, 60}, - {7, 0, 12, 0, 58}, - {7, 0, 11, 0, 62}, - {7, 0, 11, 0, 60}, - {7, 0, 11, 0, 59}, - {7, 0, 11, 0, 57}, - {7, 0, 10, 0, 61}, - {7, 0, 10, 0, 59}, - {7, 0, 10, 0, 57}, - {7, 0, 9, 0, 62}, - {7, 0, 9, 0, 60}, - {7, 0, 9, 0, 58}, - {7, 0, 9, 0, 57}, - {7, 0, 8, 0, 62}, - {7, 0, 8, 0, 60}, - {7, 0, 8, 0, 58}, - {7, 0, 8, 0, 57}, - {7, 0, 8, 0, 55}, - {7, 0, 7, 0, 61}, + {15, 0, 31, 0, 72}, + {15, 0, 31, 0, 70}, + {15, 0, 31, 0, 68}, + {15, 0, 30, 0, 68}, + {15, 0, 29, 0, 69}, + {15, 0, 28, 0, 69}, + {15, 0, 27, 0, 70}, + {15, 0, 26, 0, 70}, + {15, 0, 25, 0, 71}, + {15, 0, 24, 0, 72}, + {15, 0, 23, 0, 73}, + {15, 0, 23, 0, 71}, + {15, 0, 22, 0, 72}, + {15, 0, 21, 0, 73}, + {15, 0, 21, 0, 71}, + {15, 0, 21, 0, 69}, + {15, 0, 21, 0, 67}, + {15, 0, 21, 0, 65}, + {15, 0, 21, 0, 63}, + {15, 0, 20, 0, 65}, + {15, 0, 19, 0, 66}, + {15, 0, 19, 0, 64}, + {15, 0, 18, 0, 66}, + {15, 0, 18, 0, 64}, + {15, 0, 17, 0, 66}, + {15, 0, 17, 0, 64}, + {15, 0, 16, 0, 66}, + {15, 0, 16, 0, 64}, + {15, 0, 16, 0, 62}, + {15, 0, 16, 0, 61}, + {15, 0, 16, 0, 59}, + {15, 0, 15, 0, 61}, + {15, 0, 15, 0, 59}, + {15, 0, 14, 0, 62}, + {15, 0, 14, 0, 60}, + {15, 0, 14, 0, 58}, + {15, 0, 13, 0, 61}, + {15, 0, 13, 0, 59}, + {15, 0, 12, 0, 62}, + {15, 0, 12, 0, 61}, + {15, 0, 12, 0, 59}, + {15, 0, 11, 0, 62}, + {15, 0, 11, 0, 61}, + {15, 0, 11, 0, 59}, + {15, 0, 11, 0, 57}, + {15, 0, 10, 0, 61}, + {15, 0, 10, 0, 59}, + {15, 0, 10, 0, 58}, + {15, 0, 9, 0, 62}, + {15, 0, 9, 0, 61}, + {15, 0, 9, 0, 59}, + {15, 0, 9, 0, 57}, + {15, 0, 8, 0, 62}, + {15, 0, 8, 0, 61}, + {15, 0, 8, 0, 59}, + {15, 0, 8, 0, 57}, + {15, 0, 8, 0, 56}, + {15, 0, 8, 0, 54}, + {15, 0, 8, 0, 53}, + {15, 0, 8, 0, 51}, + {15, 0, 8, 0, 50}, + {7, 0, 7, 0, 69}, + {7, 0, 7, 0, 67}, + {7, 0, 7, 0, 65}, + {7, 0, 7, 0, 64}, + {7, 0, 7, 0, 62}, {7, 0, 7, 0, 60}, {7, 0, 7, 0, 58}, - {7, 0, 7, 0, 56}, + {7, 0, 7, 0, 57}, {7, 0, 7, 0, 55}, {7, 0, 6, 0, 62}, - {7, 0, 6, 0, 60}, - {7, 0, 6, 0, 58}, + {7, 0, 6, 0, 61}, + {7, 0, 6, 0, 59}, {7, 0, 6, 0, 57}, - {7, 0, 6, 0, 55}, + {7, 0, 6, 0, 56}, {7, 0, 6, 0, 54}, - {7, 0, 6, 0, 52}, + {7, 0, 6, 0, 53}, {7, 0, 5, 0, 61}, - {7, 0, 5, 0, 59}, - {7, 0, 5, 0, 57}, + {7, 0, 5, 0, 60}, + {7, 0, 5, 0, 58}, {7, 0, 5, 0, 56}, - {7, 0, 5, 0, 54}, + {7, 0, 5, 0, 55}, {7, 0, 5, 0, 53}, - {7, 0, 5, 0, 51}, - {7, 0, 4, 0, 62}, - {7, 0, 4, 0, 60}, - {7, 0, 4, 0, 58}, + {7, 0, 5, 0, 52}, + {7, 0, 5, 0, 50}, + {7, 0, 5, 0, 49}, + {7, 0, 5, 0, 47}, {7, 0, 4, 0, 57}, - {7, 0, 4, 0, 55}, + {7, 0, 4, 0, 56}, {7, 0, 4, 0, 54}, - {7, 0, 4, 0, 52}, + {7, 0, 4, 0, 53}, {7, 0, 4, 0, 51}, - {7, 0, 4, 0, 49}, + {7, 0, 4, 0, 50}, {7, 0, 4, 0, 48}, + {7, 0, 4, 0, 47}, {7, 0, 4, 0, 46}, - {7, 0, 3, 0, 60}, - {7, 0, 3, 0, 58}, - {7, 0, 3, 0, 57}, - {7, 0, 3, 0, 55}, - {7, 0, 3, 0, 54}, - {7, 0, 3, 0, 52}, + {7, 0, 4, 0, 44}, + {7, 0, 4, 0, 43}, + {7, 0, 4, 0, 42}, + {7, 0, 4, 0, 41}, + {7, 0, 4, 0, 40}, {7, 0, 3, 0, 51}, - {7, 0, 3, 0, 49}, + {7, 0, 3, 0, 50}, {7, 0, 3, 0, 48}, + {7, 0, 3, 0, 47}, {7, 0, 3, 0, 46}, - {7, 0, 3, 0, 45}, {7, 0, 3, 0, 44}, {7, 0, 3, 0, 43}, + {7, 0, 3, 0, 42}, {7, 0, 3, 0, 41}, - {7, 0, 2, 0, 61}, - {7, 0, 2, 0, 59}, - {7, 0, 2, 0, 57}, - {7, 0, 2, 0, 56}, - {7, 0, 2, 0, 54}, - {7, 0, 2, 0, 53}, - {7, 0, 2, 0, 51}, - {7, 0, 2, 0, 50}, - {7, 0, 2, 0, 48}, - {7, 0, 2, 0, 47}, - {7, 0, 2, 0, 46}, - {7, 0, 2, 0, 44}, - {7, 0, 2, 0, 43}, - {7, 0, 2, 0, 42}, - {7, 0, 2, 0, 41}, - {7, 0, 2, 0, 39}, - {7, 0, 2, 0, 38}, - {7, 0, 2, 0, 37}, - {7, 0, 2, 0, 36}, - {7, 0, 2, 0, 35}, - {7, 0, 2, 0, 34}, - {7, 0, 2, 0, 33}, - {7, 0, 2, 0, 32}, - {7, 0, 1, 0, 63}, - {7, 0, 1, 0, 61}, - {7, 0, 1, 0, 59}, - {7, 0, 1, 0, 57}, + {3, 0, 3, 0, 56}, + {3, 0, 3, 0, 54}, + {3, 0, 3, 0, 53}, + {3, 0, 3, 0, 51}, + {3, 0, 3, 0, 50}, + {3, 0, 3, 0, 48}, + {3, 0, 3, 0, 47}, + {3, 0, 3, 0, 46}, + {3, 0, 3, 0, 44}, + {3, 0, 3, 0, 43}, + {3, 0, 3, 0, 42}, + {3, 0, 3, 0, 41}, + {3, 0, 3, 0, 39}, + {3, 0, 3, 0, 38}, + {3, 0, 3, 0, 37}, + {3, 0, 3, 0, 36}, + {3, 0, 3, 0, 35}, + {3, 0, 3, 0, 34}, }; const struct lcnphy_tx_gain_tbl_entry dot11lcnphy_5GHz_gaintable_rev0[128] = { diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.h b/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.h index 5f75e16bf5a..489422a3608 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.h @@ -20,6 +20,7 @@ extern const struct phytbl_info dot11lcnphytbl_rx_gain_info_rev0[]; extern const u32 dot11lcnphytbl_rx_gain_info_sz_rev0; extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313; +extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_bt_ipa; extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_epa; extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_epa_combo; extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_bt_epa; diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy_shim.h b/drivers/net/wireless/brcm80211/brcmsmac/phy_shim.h index 2c5b66b7597..dd8774717ad 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/phy_shim.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/phy_shim.h @@ -124,56 +124,49 @@ struct brcms_phy; -extern struct phy_shim_info *wlc_phy_shim_attach(struct brcms_hardware *wlc_hw, - struct brcms_info *wl, - struct brcms_c_info *wlc); -extern void wlc_phy_shim_detach(struct phy_shim_info *physhim); +struct phy_shim_info *wlc_phy_shim_attach(struct brcms_hardware *wlc_hw, + struct brcms_info *wl, + struct brcms_c_info *wlc); +void wlc_phy_shim_detach(struct phy_shim_info *physhim); /* PHY to WL utility functions */ -extern struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim, - void (*fn) (struct brcms_phy *pi), - void *arg, const char *name); -extern void wlapi_free_timer(struct wlapi_timer *t); -extern void wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic); -extern bool wlapi_del_timer(struct wlapi_timer *t); -extern void wlapi_intrson(struct phy_shim_info *physhim); -extern u32 wlapi_intrsoff(struct phy_shim_info *physhim); -extern void wlapi_intrsrestore(struct phy_shim_info *physhim, - u32 macintmask); - -extern void wlapi_bmac_write_shm(struct phy_shim_info *physhim, uint offset, - u16 v); -extern u16 wlapi_bmac_read_shm(struct phy_shim_info *physhim, uint offset); -extern void wlapi_bmac_mhf(struct phy_shim_info *physhim, u8 idx, - u16 mask, u16 val, int bands); -extern void wlapi_bmac_corereset(struct phy_shim_info *physhim, u32 flags); -extern void wlapi_suspend_mac_and_wait(struct phy_shim_info *physhim); -extern void wlapi_switch_macfreq(struct phy_shim_info *physhim, u8 spurmode); -extern void wlapi_enable_mac(struct phy_shim_info *physhim); -extern void wlapi_bmac_mctrl(struct phy_shim_info *physhim, u32 mask, - u32 val); -extern void wlapi_bmac_phy_reset(struct phy_shim_info *physhim); -extern void wlapi_bmac_bw_set(struct phy_shim_info *physhim, u16 bw); -extern void wlapi_bmac_phyclk_fgc(struct phy_shim_info *physhim, bool clk); -extern void wlapi_bmac_macphyclk_set(struct phy_shim_info *physhim, bool clk); -extern void wlapi_bmac_core_phypll_ctl(struct phy_shim_info *physhim, bool on); -extern void wlapi_bmac_core_phypll_reset(struct phy_shim_info *physhim); -extern void wlapi_bmac_ucode_wake_override_phyreg_set(struct phy_shim_info * - physhim); -extern void wlapi_bmac_ucode_wake_override_phyreg_clear(struct phy_shim_info * - physhim); -extern void wlapi_bmac_write_template_ram(struct phy_shim_info *physhim, int o, - int len, void *buf); -extern u16 wlapi_bmac_rate_shm_offset(struct phy_shim_info *physhim, - u8 rate); -extern void wlapi_ucode_sample_init(struct phy_shim_info *physhim); -extern void wlapi_copyfrom_objmem(struct phy_shim_info *physhim, uint, - void *buf, int, u32 sel); -extern void wlapi_copyto_objmem(struct phy_shim_info *physhim, uint, - const void *buf, int, u32); - -extern void wlapi_high_update_phy_mode(struct phy_shim_info *physhim, - u32 phy_mode); -extern u16 wlapi_bmac_get_txant(struct phy_shim_info *physhim); +struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim, + void (*fn)(struct brcms_phy *pi), + void *arg, const char *name); +void wlapi_free_timer(struct wlapi_timer *t); +void wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic); +bool wlapi_del_timer(struct wlapi_timer *t); +void wlapi_intrson(struct phy_shim_info *physhim); +u32 wlapi_intrsoff(struct phy_shim_info *physhim); +void wlapi_intrsrestore(struct phy_shim_info *physhim, u32 macintmask); + +void wlapi_bmac_write_shm(struct phy_shim_info *physhim, uint offset, u16 v); +u16 wlapi_bmac_read_shm(struct phy_shim_info *physhim, uint offset); +void wlapi_bmac_mhf(struct phy_shim_info *physhim, u8 idx, u16 mask, u16 val, + int bands); +void wlapi_bmac_corereset(struct phy_shim_info *physhim, u32 flags); +void wlapi_suspend_mac_and_wait(struct phy_shim_info *physhim); +void wlapi_switch_macfreq(struct phy_shim_info *physhim, u8 spurmode); +void wlapi_enable_mac(struct phy_shim_info *physhim); +void wlapi_bmac_mctrl(struct phy_shim_info *physhim, u32 mask, u32 val); +void wlapi_bmac_phy_reset(struct phy_shim_info *physhim); +void wlapi_bmac_bw_set(struct phy_shim_info *physhim, u16 bw); +void wlapi_bmac_phyclk_fgc(struct phy_shim_info *physhim, bool clk); +void wlapi_bmac_macphyclk_set(struct phy_shim_info *physhim, bool clk); +void wlapi_bmac_core_phypll_ctl(struct phy_shim_info *physhim, bool on); +void wlapi_bmac_core_phypll_reset(struct phy_shim_info *physhim); +void wlapi_bmac_ucode_wake_override_phyreg_set(struct phy_shim_info *physhim); +void wlapi_bmac_ucode_wake_override_phyreg_clear(struct phy_shim_info *physhim); +void wlapi_bmac_write_template_ram(struct phy_shim_info *physhim, int o, + int len, void *buf); +u16 wlapi_bmac_rate_shm_offset(struct phy_shim_info *physhim, u8 rate); +void wlapi_ucode_sample_init(struct phy_shim_info *physhim); +void wlapi_copyfrom_objmem(struct phy_shim_info *physhim, uint, void *buf, + int, u32 sel); +void wlapi_copyto_objmem(struct phy_shim_info *physhim, uint, const void *buf, + int, u32); + +void wlapi_high_update_phy_mode(struct phy_shim_info *physhim, u32 phy_mode); +u16 wlapi_bmac_get_txant(struct phy_shim_info *physhim); #endif /* _BRCM_PHY_SHIM_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/pmu.c b/drivers/net/wireless/brcm80211/brcmsmac/pmu.c index 7e9df566c73..71b80381f3a 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/pmu.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/pmu.c @@ -115,60 +115,6 @@ u16 si_pmu_fast_pwrup_delay(struct si_pub *sih) return (u16) delay; } -/* Read/write a chipcontrol reg */ -u32 si_pmu_chipcontrol(struct si_pub *sih, uint reg, u32 mask, u32 val) -{ - ai_cc_reg(sih, offsetof(struct chipcregs, chipcontrol_addr), ~0, reg); - return ai_cc_reg(sih, offsetof(struct chipcregs, chipcontrol_data), - mask, val); -} - -/* Read/write a regcontrol reg */ -u32 si_pmu_regcontrol(struct si_pub *sih, uint reg, u32 mask, u32 val) -{ - ai_cc_reg(sih, offsetof(struct chipcregs, regcontrol_addr), ~0, reg); - return ai_cc_reg(sih, offsetof(struct chipcregs, regcontrol_data), - mask, val); -} - -/* Read/write a pllcontrol reg */ -u32 si_pmu_pllcontrol(struct si_pub *sih, uint reg, u32 mask, u32 val) -{ - ai_cc_reg(sih, offsetof(struct chipcregs, pllcontrol_addr), ~0, reg); - return ai_cc_reg(sih, offsetof(struct chipcregs, pllcontrol_data), - mask, val); -} - -/* PMU PLL update */ -void si_pmu_pllupd(struct si_pub *sih) -{ - ai_cc_reg(sih, offsetof(struct chipcregs, pmucontrol), - PCTL_PLL_PLLCTL_UPD, PCTL_PLL_PLLCTL_UPD); -} - -/* query alp/xtal clock frequency */ -u32 si_pmu_alp_clock(struct si_pub *sih) -{ - u32 clock = ALP_CLOCK; - - /* bail out with default */ - if (!(ai_get_cccaps(sih) & CC_CAP_PMU)) - return clock; - - switch (ai_get_chip_id(sih)) { - case BCMA_CHIP_ID_BCM43224: - case BCMA_CHIP_ID_BCM43225: - case BCMA_CHIP_ID_BCM4313: - /* always 20Mhz */ - clock = 20000 * 1000; - break; - default: - break; - } - - return clock; -} - u32 si_pmu_measure_alpclk(struct si_pub *sih) { struct si_info *sii = container_of(sih, struct si_info, pub); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/pmu.h b/drivers/net/wireless/brcm80211/brcmsmac/pmu.h index f7cff873578..a014bbc4f93 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/pmu.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/pmu.h @@ -20,13 +20,7 @@ #include "types.h" -extern u16 si_pmu_fast_pwrup_delay(struct si_pub *sih); -extern void si_pmu_sprom_enable(struct si_pub *sih, bool enable); -extern u32 si_pmu_chipcontrol(struct si_pub *sih, uint reg, u32 mask, u32 val); -extern u32 si_pmu_regcontrol(struct si_pub *sih, uint reg, u32 mask, u32 val); -extern u32 si_pmu_alp_clock(struct si_pub *sih); -extern void si_pmu_pllupd(struct si_pub *sih); -extern u32 si_pmu_pllcontrol(struct si_pub *sih, uint reg, u32 mask, u32 val); -extern u32 si_pmu_measure_alpclk(struct si_pub *sih); +u16 si_pmu_fast_pwrup_delay(struct si_pub *sih); +u32 si_pmu_measure_alpclk(struct si_pub *sih); #endif /* _BRCM_PMU_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/pub.h b/drivers/net/wireless/brcm80211/brcmsmac/pub.h index 5855f4fd16d..4da38cb4f31 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/pub.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/pub.h @@ -164,8 +164,6 @@ struct brcms_pub { u8 cur_etheraddr[ETH_ALEN]; /* our local ethernet address */ - int bcmerror; /* last bcm error */ - u32 radio_disabled; /* bit vector for radio disabled reasons */ u16 boardrev; /* version # of particular board */ @@ -176,6 +174,7 @@ struct brcms_pub { bool phy_11ncapable; /* the PHY/HW is capable of 802.11N */ struct wl_cnt *_cnt; /* low-level counters in driver */ + struct dentry *dbgfs_dir; }; enum wlc_par_id { @@ -200,43 +199,6 @@ enum wlc_par_id { /* WL11N Support */ #define AMPDU_AGG_HOST 1 -/* pri is priority encoded in the packet. This maps the Packet priority to - * enqueue precedence as defined in wlc_prec_map - */ -extern const u8 wlc_prio2prec_map[]; -#define BRCMS_PRIO_TO_PREC(pri) wlc_prio2prec_map[(pri) & 7] - -#define BRCMS_PREC_COUNT 16 /* Max precedence level implemented */ - -/* Mask to describe all precedence levels */ -#define BRCMS_PREC_BMP_ALL MAXBITVAL(BRCMS_PREC_COUNT) - -/* - * This maps priority to one precedence higher - Used by PS-Poll response - * packets to simulate enqueue-at-head operation, but still maintain the - * order on the queue - */ -#define BRCMS_PRIO_TO_HI_PREC(pri) min(BRCMS_PRIO_TO_PREC(pri) + 1,\ - BRCMS_PREC_COUNT - 1) - -/* Define a bitmap of precedences comprised by each AC */ -#define BRCMS_PREC_BMP_AC_BE (NBITVAL(BRCMS_PRIO_TO_PREC(PRIO_8021D_BE)) | \ - NBITVAL(BRCMS_PRIO_TO_HI_PREC(PRIO_8021D_BE)) | \ - NBITVAL(BRCMS_PRIO_TO_PREC(PRIO_8021D_EE)) | \ - NBITVAL(BRCMS_PRIO_TO_HI_PREC(PRIO_8021D_EE))) -#define BRCMS_PREC_BMP_AC_BK (NBITVAL(BRCMS_PRIO_TO_PREC(PRIO_8021D_BK)) | \ - NBITVAL(BRCMS_PRIO_TO_HI_PREC(PRIO_8021D_BK)) | \ - NBITVAL(BRCMS_PRIO_TO_PREC(PRIO_8021D_NONE)) | \ - NBITVAL(BRCMS_PRIO_TO_HI_PREC(PRIO_8021D_NONE))) -#define BRCMS_PREC_BMP_AC_VI (NBITVAL(BRCMS_PRIO_TO_PREC(PRIO_8021D_CL)) | \ - NBITVAL(BRCMS_PRIO_TO_HI_PREC(PRIO_8021D_CL)) | \ - NBITVAL(BRCMS_PRIO_TO_PREC(PRIO_8021D_VI)) | \ - NBITVAL(BRCMS_PRIO_TO_HI_PREC(PRIO_8021D_VI))) -#define BRCMS_PREC_BMP_AC_VO (NBITVAL(BRCMS_PRIO_TO_PREC(PRIO_8021D_VO)) | \ - NBITVAL(BRCMS_PRIO_TO_HI_PREC(PRIO_8021D_VO)) | \ - NBITVAL(BRCMS_PRIO_TO_PREC(PRIO_8021D_NC)) | \ - NBITVAL(BRCMS_PRIO_TO_HI_PREC(PRIO_8021D_NC))) - /* network protection config */ #define BRCMS_PROT_G_SPEC 1 /* SPEC g protection */ #define BRCMS_PROT_G_OVR 2 /* SPEC g prot override */ @@ -304,69 +266,76 @@ struct brcms_antselcfg { }; /* common functions for every port */ -extern struct brcms_c_info * -brcms_c_attach(struct brcms_info *wl, struct bcma_device *core, uint unit, - bool piomode, uint *perr); -extern uint brcms_c_detach(struct brcms_c_info *wlc); -extern int brcms_c_up(struct brcms_c_info *wlc); -extern uint brcms_c_down(struct brcms_c_info *wlc); - -extern bool brcms_c_chipmatch(struct bcma_device *core); -extern void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx); -extern void brcms_c_reset(struct brcms_c_info *wlc); - -extern void brcms_c_intrson(struct brcms_c_info *wlc); -extern u32 brcms_c_intrsoff(struct brcms_c_info *wlc); -extern void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask); -extern bool brcms_c_intrsupd(struct brcms_c_info *wlc); -extern bool brcms_c_isr(struct brcms_c_info *wlc, bool *wantdpc); -extern bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded); -extern void brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, - struct sk_buff *sdu, - struct ieee80211_hw *hw); -extern bool brcms_c_aggregatable(struct brcms_c_info *wlc, u8 tid); -extern void brcms_c_protection_upd(struct brcms_c_info *wlc, uint idx, - int val); -extern int brcms_c_get_header_len(void); -extern void brcms_c_set_addrmatch(struct brcms_c_info *wlc, - int match_reg_offset, - const u8 *addr); -extern void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci, - const struct ieee80211_tx_queue_params *arg, - bool suspend); -extern struct brcms_pub *brcms_c_pub(struct brcms_c_info *wlc); -extern void brcms_c_ampdu_flush(struct brcms_c_info *wlc, - struct ieee80211_sta *sta, u16 tid); -extern void brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid, - u8 ba_wsize, uint max_rx_ampdu_bytes); -extern int brcms_c_module_register(struct brcms_pub *pub, - const char *name, struct brcms_info *hdl, - int (*down_fn)(void *handle)); -extern int brcms_c_module_unregister(struct brcms_pub *pub, const char *name, - struct brcms_info *hdl); -extern void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc); -extern void brcms_c_enable_mac(struct brcms_c_info *wlc); -extern void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state); -extern void brcms_c_scan_start(struct brcms_c_info *wlc); -extern void brcms_c_scan_stop(struct brcms_c_info *wlc); -extern int brcms_c_get_curband(struct brcms_c_info *wlc); -extern void brcms_c_wait_for_tx_completion(struct brcms_c_info *wlc, - bool drop); -extern int brcms_c_set_channel(struct brcms_c_info *wlc, u16 channel); -extern int brcms_c_set_rate_limit(struct brcms_c_info *wlc, u16 srl, u16 lrl); -extern void brcms_c_get_current_rateset(struct brcms_c_info *wlc, +struct brcms_c_info *brcms_c_attach(struct brcms_info *wl, + struct bcma_device *core, uint unit, + bool piomode, uint *perr); +uint brcms_c_detach(struct brcms_c_info *wlc); +int brcms_c_up(struct brcms_c_info *wlc); +uint brcms_c_down(struct brcms_c_info *wlc); + +bool brcms_c_chipmatch(struct bcma_device *core); +void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx); +void brcms_c_reset(struct brcms_c_info *wlc); + +void brcms_c_intrson(struct brcms_c_info *wlc); +u32 brcms_c_intrsoff(struct brcms_c_info *wlc); +void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask); +bool brcms_c_intrsupd(struct brcms_c_info *wlc); +bool brcms_c_isr(struct brcms_c_info *wlc); +bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded); +bool brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, struct sk_buff *sdu, + struct ieee80211_hw *hw); +bool brcms_c_aggregatable(struct brcms_c_info *wlc, u8 tid); +void brcms_c_protection_upd(struct brcms_c_info *wlc, uint idx, int val); +int brcms_c_get_header_len(void); +void brcms_c_set_addrmatch(struct brcms_c_info *wlc, int match_reg_offset, + const u8 *addr); +void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci, + const struct ieee80211_tx_queue_params *arg, + bool suspend); +struct brcms_pub *brcms_c_pub(struct brcms_c_info *wlc); +void brcms_c_ampdu_flush(struct brcms_c_info *wlc, struct ieee80211_sta *sta, + u16 tid); +void brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid, + u8 ba_wsize, uint max_rx_ampdu_bytes); +int brcms_c_module_register(struct brcms_pub *pub, const char *name, + struct brcms_info *hdl, + int (*down_fn)(void *handle)); +int brcms_c_module_unregister(struct brcms_pub *pub, const char *name, + struct brcms_info *hdl); +void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc); +void brcms_c_enable_mac(struct brcms_c_info *wlc); +void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state); +void brcms_c_scan_start(struct brcms_c_info *wlc); +void brcms_c_scan_stop(struct brcms_c_info *wlc); +int brcms_c_get_curband(struct brcms_c_info *wlc); +int brcms_c_set_channel(struct brcms_c_info *wlc, u16 channel); +int brcms_c_set_rate_limit(struct brcms_c_info *wlc, u16 srl, u16 lrl); +void brcms_c_get_current_rateset(struct brcms_c_info *wlc, struct brcm_rateset *currs); -extern int brcms_c_set_rateset(struct brcms_c_info *wlc, - struct brcm_rateset *rs); -extern int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period); -extern u16 brcms_c_get_phy_type(struct brcms_c_info *wlc, int phyidx); -extern void brcms_c_set_shortslot_override(struct brcms_c_info *wlc, +int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs); +int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period); +u16 brcms_c_get_phy_type(struct brcms_c_info *wlc, int phyidx); +void brcms_c_set_shortslot_override(struct brcms_c_info *wlc, s8 sslot_override); -extern void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, - u8 interval); -extern int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr); -extern int brcms_c_get_tx_power(struct brcms_c_info *wlc); -extern bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc); -extern void brcms_c_mute(struct brcms_c_info *wlc, bool on); +void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval); +u64 brcms_c_tsf_get(struct brcms_c_info *wlc); +void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf); +int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr); +int brcms_c_get_tx_power(struct brcms_c_info *wlc); +bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc); +void brcms_c_mute(struct brcms_c_info *wlc, bool on); +bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc); +void brcms_c_start_station(struct brcms_c_info *wlc, u8 *addr); +void brcms_c_start_ap(struct brcms_c_info *wlc, u8 *addr, const u8 *bssid, + u8 *ssid, size_t ssid_len); +void brcms_c_start_adhoc(struct brcms_c_info *wlc, u8 *addr); +void brcms_c_update_beacon(struct brcms_c_info *wlc); +void brcms_c_set_new_beacon(struct brcms_c_info *wlc, struct sk_buff *beacon, + u16 tim_offset, u16 dtim_period); +void brcms_c_set_new_probe_resp(struct brcms_c_info *wlc, + struct sk_buff *probe_resp); +void brcms_c_enable_probe_resp(struct brcms_c_info *wlc, bool enable); +void brcms_c_set_ssid(struct brcms_c_info *wlc, u8 *ssid, size_t ssid_len); #endif /* _BRCM_PUB_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/rate.h b/drivers/net/wireless/brcm80211/brcmsmac/rate.h index 980d578825c..5bb88b78ed6 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/rate.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/rate.h @@ -216,34 +216,30 @@ static inline u8 cck_phy2mac_rate(u8 signal) /* sanitize, and sort a rateset with the basic bit(s) preserved, validate * rateset */ -extern bool -brcms_c_rate_hwrs_filter_sort_validate(struct brcms_c_rateset *rs, - const struct brcms_c_rateset *hw_rs, - bool check_brate, u8 txstreams); +bool brcms_c_rate_hwrs_filter_sort_validate(struct brcms_c_rateset *rs, + const struct brcms_c_rateset *hw_rs, + bool check_brate, u8 txstreams); /* copy rateset src to dst as-is (no masking or sorting) */ -extern void brcms_c_rateset_copy(const struct brcms_c_rateset *src, - struct brcms_c_rateset *dst); +void brcms_c_rateset_copy(const struct brcms_c_rateset *src, + struct brcms_c_rateset *dst); /* would be nice to have these documented ... */ -extern u32 brcms_c_compute_rspec(struct d11rxhdr *rxh, u8 *plcp); - -extern void brcms_c_rateset_filter(struct brcms_c_rateset *src, - struct brcms_c_rateset *dst, bool basic_only, u8 rates, uint xmask, - bool mcsallow); - -extern void -brcms_c_rateset_default(struct brcms_c_rateset *rs_tgt, - const struct brcms_c_rateset *rs_hw, uint phy_type, - int bandtype, bool cck_only, uint rate_mask, - bool mcsallow, u8 bw, u8 txstreams); - -extern s16 brcms_c_rate_legacy_phyctl(uint rate); - -extern void brcms_c_rateset_mcs_upd(struct brcms_c_rateset *rs, u8 txstreams); -extern void brcms_c_rateset_mcs_clear(struct brcms_c_rateset *rateset); -extern void brcms_c_rateset_mcs_build(struct brcms_c_rateset *rateset, - u8 txstreams); -extern void brcms_c_rateset_bw_mcs_filter(struct brcms_c_rateset *rateset, - u8 bw); +u32 brcms_c_compute_rspec(struct d11rxhdr *rxh, u8 *plcp); + +void brcms_c_rateset_filter(struct brcms_c_rateset *src, + struct brcms_c_rateset *dst, bool basic_only, + u8 rates, uint xmask, bool mcsallow); + +void brcms_c_rateset_default(struct brcms_c_rateset *rs_tgt, + const struct brcms_c_rateset *rs_hw, uint phy_type, + int bandtype, bool cck_only, uint rate_mask, + bool mcsallow, u8 bw, u8 txstreams); + +s16 brcms_c_rate_legacy_phyctl(uint rate); + +void brcms_c_rateset_mcs_upd(struct brcms_c_rateset *rs, u8 txstreams); +void brcms_c_rateset_mcs_clear(struct brcms_c_rateset *rateset); +void brcms_c_rateset_mcs_build(struct brcms_c_rateset *rateset, u8 txstreams); +void brcms_c_rateset_bw_mcs_filter(struct brcms_c_rateset *rateset, u8 bw); #endif /* _BRCM_RATE_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/scb.h b/drivers/net/wireless/brcm80211/brcmsmac/scb.h index 51c79c7239b..3a3d73699f8 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/scb.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/scb.h @@ -36,7 +36,6 @@ /* structure to store per-tid state for the ampdu initiator */ struct scb_ampdu_tid_ini { - u8 tx_in_transit; /* number of pending mpdus in transit in driver */ u8 tid; /* initiator tid for easy lookup */ /* tx retry count; indexed by seq modulo */ u8 txretry[AMPDU_TX_BA_MAX_WSIZE]; diff --git a/drivers/net/wireless/brcm80211/brcmsmac/stf.c b/drivers/net/wireless/brcm80211/brcmsmac/stf.c index ed1d1aa71d2..dd916272249 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/stf.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/stf.c @@ -23,6 +23,7 @@ #include "channel.h" #include "main.h" #include "stf.h" +#include "debug.h" #define MIN_SPATIAL_EXPANSION 0 #define MAX_SPATIAL_EXPANSION 1 @@ -160,8 +161,8 @@ bool brcms_c_stf_stbc_rx_set(struct brcms_c_info *wlc, s32 int_val) static int brcms_c_stf_txcore_set(struct brcms_c_info *wlc, u8 Nsts, u8 core_mask) { - BCMMSG(wlc->wiphy, "wl%d: Nsts %d core_mask %x\n", - wlc->pub->unit, Nsts, core_mask); + brcms_dbg_ht(wlc->hw->d11core, "wl%d: Nsts %d core_mask %x\n", + wlc->pub->unit, Nsts, core_mask); if (hweight8(core_mask) > wlc->stf->txstreams) core_mask = 0; @@ -194,7 +195,8 @@ static int brcms_c_stf_spatial_policy_set(struct brcms_c_info *wlc, int val) int i; u8 core_mask = 0; - BCMMSG(wlc->wiphy, "wl%d: val %x\n", wlc->pub->unit, val); + brcms_dbg_ht(wlc->hw->d11core, "wl%d: val %x\n", wlc->pub->unit, + val); wlc->stf->spatial_policy = (s8) val; for (i = 1; i <= MAX_STREAMS_SUPPORTED; i++) { diff --git a/drivers/net/wireless/brcm80211/brcmsmac/stf.h b/drivers/net/wireless/brcm80211/brcmsmac/stf.h index 19f6580f69b..ba9493009a3 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/stf.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/stf.h @@ -19,24 +19,19 @@ #include "types.h" -extern int brcms_c_stf_attach(struct brcms_c_info *wlc); -extern void brcms_c_stf_detach(struct brcms_c_info *wlc); +int brcms_c_stf_attach(struct brcms_c_info *wlc); +void brcms_c_stf_detach(struct brcms_c_info *wlc); -extern void brcms_c_tempsense_upd(struct brcms_c_info *wlc); -extern void brcms_c_stf_ss_algo_channel_get(struct brcms_c_info *wlc, - u16 *ss_algo_channel, - u16 chanspec); -extern int brcms_c_stf_ss_update(struct brcms_c_info *wlc, - struct brcms_band *band); -extern void brcms_c_stf_phy_txant_upd(struct brcms_c_info *wlc); -extern int brcms_c_stf_txchain_set(struct brcms_c_info *wlc, s32 int_val, - bool force); -extern bool brcms_c_stf_stbc_rx_set(struct brcms_c_info *wlc, s32 int_val); -extern void brcms_c_stf_phy_txant_upd(struct brcms_c_info *wlc); -extern void brcms_c_stf_phy_chain_calc(struct brcms_c_info *wlc); -extern u16 brcms_c_stf_phytxchain_sel(struct brcms_c_info *wlc, - u32 rspec); -extern u16 brcms_c_stf_d11hdrs_phyctl_txant(struct brcms_c_info *wlc, - u32 rspec); +void brcms_c_tempsense_upd(struct brcms_c_info *wlc); +void brcms_c_stf_ss_algo_channel_get(struct brcms_c_info *wlc, + u16 *ss_algo_channel, u16 chanspec); +int brcms_c_stf_ss_update(struct brcms_c_info *wlc, struct brcms_band *band); +void brcms_c_stf_phy_txant_upd(struct brcms_c_info *wlc); +int brcms_c_stf_txchain_set(struct brcms_c_info *wlc, s32 int_val, bool force); +bool brcms_c_stf_stbc_rx_set(struct brcms_c_info *wlc, s32 int_val); +void brcms_c_stf_phy_txant_upd(struct brcms_c_info *wlc); +void brcms_c_stf_phy_chain_calc(struct brcms_c_info *wlc); +u16 brcms_c_stf_phytxchain_sel(struct brcms_c_info *wlc, u32 rspec); +u16 brcms_c_stf_d11hdrs_phyctl_txant(struct brcms_c_info *wlc, u32 rspec); #endif /* _BRCM_STF_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/types.h b/drivers/net/wireless/brcm80211/brcmsmac/types.h index e11ae83111e..ae1f3ad40d4 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/types.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/types.h @@ -246,7 +246,7 @@ #define BCMMSG(dev, fmt, args...) \ do { \ - if (brcm_msg_level & LOG_TRACE_VAL) \ + if (brcm_msg_level & BRCM_DL_INFO) \ wiphy_err(dev, "%s: " fmt, __func__, ##args); \ } while (0) @@ -281,7 +281,6 @@ struct ieee80211_tx_queue_params; struct brcms_info; struct brcms_c_info; struct brcms_hardware; -struct brcms_txq_info; struct brcms_band; struct dma_pub; struct si_pub; diff --git a/drivers/net/wireless/brcm80211/brcmsmac/ucode_loader.h b/drivers/net/wireless/brcm80211/brcmsmac/ucode_loader.h index 18750a814b4..c87dd89bcb7 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/ucode_loader.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/ucode_loader.h @@ -43,16 +43,14 @@ struct brcms_ucode { u32 *bcm43xx_bomminor; }; -extern int -brcms_ucode_data_init(struct brcms_info *wl, struct brcms_ucode *ucode); +int brcms_ucode_data_init(struct brcms_info *wl, struct brcms_ucode *ucode); -extern void brcms_ucode_data_free(struct brcms_ucode *ucode); +void brcms_ucode_data_free(struct brcms_ucode *ucode); -extern int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, - unsigned int idx); -extern int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, - unsigned int idx); -extern void brcms_ucode_free_buf(void *); -extern int brcms_check_firmwares(struct brcms_info *wl); +int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, unsigned int idx); +int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, + unsigned int idx); +void brcms_ucode_free_buf(void *); +int brcms_check_firmwares(struct brcms_info *wl); #endif /* _BRCM_UCODE_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmutil/Makefile b/drivers/net/wireless/brcm80211/brcmutil/Makefile index 6281c416289..8a928184016 100644 --- a/drivers/net/wireless/brcm80211/brcmutil/Makefile +++ b/drivers/net/wireless/brcm80211/brcmutil/Makefile @@ -19,10 +19,5 @@ ccflags-y := \ -Idrivers/net/wireless/brcm80211/brcmutil \ -Idrivers/net/wireless/brcm80211/include -BRCMUTIL_OFILES := \ - utils.o - -MODULEPFX := brcmutil - -obj-$(CONFIG_BRCMUTIL) += $(MODULEPFX).o -$(MODULEPFX)-objs = $(BRCMUTIL_OFILES) +obj-$(CONFIG_BRCMUTIL) += brcmutil.o +brcmutil-objs = utils.o d11.o diff --git a/drivers/net/wireless/brcm80211/brcmutil/d11.c b/drivers/net/wireless/brcm80211/brcmutil/d11.c new file mode 100644 index 00000000000..2b2522bdd8e --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmutil/d11.c @@ -0,0 +1,221 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +/*********************channel spec common functions*********************/ + +#include <linux/module.h> + +#include <brcmu_utils.h> +#include <brcmu_wifi.h> +#include <brcmu_d11.h> + +static u16 d11n_sb(enum brcmu_chan_sb sb) +{ + switch (sb) { + case BRCMU_CHAN_SB_NONE: + return BRCMU_CHSPEC_D11N_SB_N; + case BRCMU_CHAN_SB_L: + return BRCMU_CHSPEC_D11N_SB_L; + case BRCMU_CHAN_SB_U: + return BRCMU_CHSPEC_D11N_SB_U; + default: + WARN_ON(1); + } + return 0; +} + +static u16 d11n_bw(enum brcmu_chan_bw bw) +{ + switch (bw) { + case BRCMU_CHAN_BW_20: + return BRCMU_CHSPEC_D11N_BW_20; + case BRCMU_CHAN_BW_40: + return BRCMU_CHSPEC_D11N_BW_40; + default: + WARN_ON(1); + } + return 0; +} + +static void brcmu_d11n_encchspec(struct brcmu_chan *ch) +{ + if (ch->bw == BRCMU_CHAN_BW_20) + ch->sb = BRCMU_CHAN_SB_NONE; + + ch->chspec = 0; + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_CH_MASK, + BRCMU_CHSPEC_CH_SHIFT, ch->chnum); + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_D11N_SB_MASK, + 0, d11n_sb(ch->sb)); + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_D11N_BW_MASK, + 0, d11n_bw(ch->bw)); + + if (ch->chnum <= CH_MAX_2G_CHANNEL) + ch->chspec |= BRCMU_CHSPEC_D11N_BND_2G; + else + ch->chspec |= BRCMU_CHSPEC_D11N_BND_5G; +} + +static u16 d11ac_bw(enum brcmu_chan_bw bw) +{ + switch (bw) { + case BRCMU_CHAN_BW_20: + return BRCMU_CHSPEC_D11AC_BW_20; + case BRCMU_CHAN_BW_40: + return BRCMU_CHSPEC_D11AC_BW_40; + case BRCMU_CHAN_BW_80: + return BRCMU_CHSPEC_D11AC_BW_80; + default: + WARN_ON(1); + } + return 0; +} + +static void brcmu_d11ac_encchspec(struct brcmu_chan *ch) +{ + if (ch->bw == BRCMU_CHAN_BW_20 || ch->sb == BRCMU_CHAN_SB_NONE) + ch->sb = BRCMU_CHAN_SB_L; + + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_CH_MASK, + BRCMU_CHSPEC_CH_SHIFT, ch->chnum); + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_D11AC_SB_MASK, + BRCMU_CHSPEC_D11AC_SB_SHIFT, ch->sb); + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_D11AC_BW_MASK, + 0, d11ac_bw(ch->bw)); + + ch->chspec &= ~BRCMU_CHSPEC_D11AC_BND_MASK; + if (ch->chnum <= CH_MAX_2G_CHANNEL) + ch->chspec |= BRCMU_CHSPEC_D11AC_BND_2G; + else + ch->chspec |= BRCMU_CHSPEC_D11AC_BND_5G; +} + +static void brcmu_d11n_decchspec(struct brcmu_chan *ch) +{ + u16 val; + + ch->chnum = (u8)(ch->chspec & BRCMU_CHSPEC_CH_MASK); + + switch (ch->chspec & BRCMU_CHSPEC_D11N_BW_MASK) { + case BRCMU_CHSPEC_D11N_BW_20: + ch->bw = BRCMU_CHAN_BW_20; + ch->sb = BRCMU_CHAN_SB_NONE; + break; + case BRCMU_CHSPEC_D11N_BW_40: + ch->bw = BRCMU_CHAN_BW_40; + val = ch->chspec & BRCMU_CHSPEC_D11N_SB_MASK; + if (val == BRCMU_CHSPEC_D11N_SB_L) { + ch->sb = BRCMU_CHAN_SB_L; + ch->chnum -= CH_10MHZ_APART; + } else { + ch->sb = BRCMU_CHAN_SB_U; + ch->chnum += CH_10MHZ_APART; + } + break; + default: + WARN_ON_ONCE(1); + break; + } + + switch (ch->chspec & BRCMU_CHSPEC_D11N_BND_MASK) { + case BRCMU_CHSPEC_D11N_BND_5G: + ch->band = BRCMU_CHAN_BAND_5G; + break; + case BRCMU_CHSPEC_D11N_BND_2G: + ch->band = BRCMU_CHAN_BAND_2G; + break; + default: + WARN_ON_ONCE(1); + break; + } +} + +static void brcmu_d11ac_decchspec(struct brcmu_chan *ch) +{ + u16 val; + + ch->chnum = (u8)(ch->chspec & BRCMU_CHSPEC_CH_MASK); + + switch (ch->chspec & BRCMU_CHSPEC_D11AC_BW_MASK) { + case BRCMU_CHSPEC_D11AC_BW_20: + ch->bw = BRCMU_CHAN_BW_20; + ch->sb = BRCMU_CHAN_SB_NONE; + break; + case BRCMU_CHSPEC_D11AC_BW_40: + ch->bw = BRCMU_CHAN_BW_40; + val = ch->chspec & BRCMU_CHSPEC_D11AC_SB_MASK; + if (val == BRCMU_CHSPEC_D11AC_SB_L) { + ch->sb = BRCMU_CHAN_SB_L; + ch->chnum -= CH_10MHZ_APART; + } else if (val == BRCMU_CHSPEC_D11AC_SB_U) { + ch->sb = BRCMU_CHAN_SB_U; + ch->chnum += CH_10MHZ_APART; + } else { + WARN_ON_ONCE(1); + } + break; + case BRCMU_CHSPEC_D11AC_BW_80: + ch->bw = BRCMU_CHAN_BW_80; + ch->sb = brcmu_maskget16(ch->chspec, BRCMU_CHSPEC_D11AC_SB_MASK, + BRCMU_CHSPEC_D11AC_SB_SHIFT); + switch (ch->sb) { + case BRCMU_CHAN_SB_LL: + ch->chnum -= CH_30MHZ_APART; + break; + case BRCMU_CHAN_SB_LU: + ch->chnum -= CH_10MHZ_APART; + break; + case BRCMU_CHAN_SB_UL: + ch->chnum += CH_10MHZ_APART; + break; + case BRCMU_CHAN_SB_UU: + ch->chnum += CH_30MHZ_APART; + break; + default: + WARN_ON_ONCE(1); + break; + } + break; + case BRCMU_CHSPEC_D11AC_BW_8080: + case BRCMU_CHSPEC_D11AC_BW_160: + default: + WARN_ON_ONCE(1); + break; + } + + switch (ch->chspec & BRCMU_CHSPEC_D11AC_BND_MASK) { + case BRCMU_CHSPEC_D11AC_BND_5G: + ch->band = BRCMU_CHAN_BAND_5G; + break; + case BRCMU_CHSPEC_D11AC_BND_2G: + ch->band = BRCMU_CHAN_BAND_2G; + break; + default: + WARN_ON_ONCE(1); + break; + } +} + +void brcmu_d11_attach(struct brcmu_d11inf *d11inf) +{ + if (d11inf->io_type == BRCMU_D11N_IOTYPE) { + d11inf->encchspec = brcmu_d11n_encchspec; + d11inf->decchspec = brcmu_d11n_decchspec; + } else { + d11inf->encchspec = brcmu_d11ac_encchspec; + d11inf->decchspec = brcmu_d11ac_decchspec; + } +} +EXPORT_SYMBOL(brcmu_d11_attach); diff --git a/drivers/net/wireless/brcm80211/brcmutil/utils.c b/drivers/net/wireless/brcm80211/brcmutil/utils.c index 3e6405e06ac..0f7e1c7b6f5 100644 --- a/drivers/net/wireless/brcm80211/brcmutil/utils.c +++ b/drivers/net/wireless/brcm80211/brcmutil/utils.c @@ -45,17 +45,9 @@ void brcmu_pkt_buf_free_skb(struct sk_buff *skb) { if (!skb) return; + WARN_ON(skb->next); - if (skb->destructor) - /* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if - * destructor exists - */ - dev_kfree_skb_any(skb); - else - /* can free immediately (even in_irq()) if destructor - * does not exist - */ - dev_kfree_skb(skb); + dev_kfree_skb_any(skb); } EXPORT_SYMBOL(brcmu_pkt_buf_free_skb); @@ -116,6 +108,31 @@ struct sk_buff *brcmu_pktq_pdeq(struct pktq *pq, int prec) } EXPORT_SYMBOL(brcmu_pktq_pdeq); +/* + * precedence based dequeue with match function. Passing a NULL pointer + * for the match function parameter is considered to be a wildcard so + * any packet on the queue is returned. In that case it is no different + * from brcmu_pktq_pdeq() above. + */ +struct sk_buff *brcmu_pktq_pdeq_match(struct pktq *pq, int prec, + bool (*match_fn)(struct sk_buff *skb, + void *arg), void *arg) +{ + struct sk_buff_head *q; + struct sk_buff *p, *next; + + q = &pq->q[prec].skblist; + skb_queue_walk_safe(q, p, next) { + if (match_fn == NULL || match_fn(p, arg)) { + skb_unlink(p, q); + pq->len--; + return p; + } + } + return NULL; +} +EXPORT_SYMBOL(brcmu_pktq_pdeq_match); + struct sk_buff *brcmu_pktq_pdeq_tail(struct pktq *pq, int prec) { struct sk_buff_head *q; diff --git a/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h b/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h index e8682855b73..d816270db3b 100644 --- a/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h +++ b/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h @@ -29,6 +29,7 @@ /* Chipcommon Core Chip IDs */ #define BCM4313_CHIP_ID 0x4313 +#define BCM43143_CHIP_ID 43143 #define BCM43224_CHIP_ID 43224 #define BCM43225_CHIP_ID 43225 #define BCM43235_CHIP_ID 43235 @@ -39,5 +40,9 @@ #define BCM4330_CHIP_ID 0x4330 #define BCM4331_CHIP_ID 0x4331 #define BCM4334_CHIP_ID 0x4334 +#define BCM4335_CHIP_ID 0x4335 +#define BCM43362_CHIP_ID 43362 +#define BCM4339_CHIP_ID 0x4339 +#define BCM4354_CHIP_ID 0x4354 #endif /* _BRCM_HW_IDS_H_ */ diff --git a/drivers/net/wireless/brcm80211/include/brcmu_d11.h b/drivers/net/wireless/brcm80211/include/brcmu_d11.h new file mode 100644 index 00000000000..f9745ea8b3e --- /dev/null +++ b/drivers/net/wireless/brcm80211/include/brcmu_d11.h @@ -0,0 +1,145 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _BRCMU_D11_H_ +#define _BRCMU_D11_H_ + +/* d11 io type */ +#define BRCMU_D11N_IOTYPE 1 +#define BRCMU_D11AC_IOTYPE 2 + +/* A chanspec (channel specification) holds the channel number, band, + * bandwidth and control sideband + */ + +/* chanspec binary format */ + +#define BRCMU_CHSPEC_INVALID 255 +/* bit 0~7 channel number + * for 80+80 channels: bit 0~3 low channel id, bit 4~7 high channel id + */ +#define BRCMU_CHSPEC_CH_MASK 0x00ff +#define BRCMU_CHSPEC_CH_SHIFT 0 +#define BRCMU_CHSPEC_CHL_MASK 0x000f +#define BRCMU_CHSPEC_CHL_SHIFT 0 +#define BRCMU_CHSPEC_CHH_MASK 0x00f0 +#define BRCMU_CHSPEC_CHH_SHIFT 4 + +/* bit 8~16 for dot 11n IO types + * bit 8~9 sideband + * bit 10~11 bandwidth + * bit 12~13 spectral band + * bit 14~15 not used + */ +#define BRCMU_CHSPEC_D11N_SB_MASK 0x0300 +#define BRCMU_CHSPEC_D11N_SB_SHIFT 8 +#define BRCMU_CHSPEC_D11N_SB_L 0x0100 /* control lower */ +#define BRCMU_CHSPEC_D11N_SB_U 0x0200 /* control upper */ +#define BRCMU_CHSPEC_D11N_SB_N 0x0300 /* none */ +#define BRCMU_CHSPEC_D11N_BW_MASK 0x0c00 +#define BRCMU_CHSPEC_D11N_BW_SHIFT 10 +#define BRCMU_CHSPEC_D11N_BW_10 0x0400 +#define BRCMU_CHSPEC_D11N_BW_20 0x0800 +#define BRCMU_CHSPEC_D11N_BW_40 0x0c00 +#define BRCMU_CHSPEC_D11N_BND_MASK 0x3000 +#define BRCMU_CHSPEC_D11N_BND_SHIFT 12 +#define BRCMU_CHSPEC_D11N_BND_5G 0x1000 +#define BRCMU_CHSPEC_D11N_BND_2G 0x2000 + +/* bit 8~16 for dot 11ac IO types + * bit 8~10 sideband + * bit 11~13 bandwidth + * bit 14~15 spectral band + */ +#define BRCMU_CHSPEC_D11AC_SB_MASK 0x0700 +#define BRCMU_CHSPEC_D11AC_SB_SHIFT 8 +#define BRCMU_CHSPEC_D11AC_SB_LLL 0x0000 +#define BRCMU_CHSPEC_D11AC_SB_LLU 0x0100 +#define BRCMU_CHSPEC_D11AC_SB_LUL 0x0200 +#define BRCMU_CHSPEC_D11AC_SB_LUU 0x0300 +#define BRCMU_CHSPEC_D11AC_SB_ULL 0x0400 +#define BRCMU_CHSPEC_D11AC_SB_ULU 0x0500 +#define BRCMU_CHSPEC_D11AC_SB_UUL 0x0600 +#define BRCMU_CHSPEC_D11AC_SB_UUU 0x0700 +#define BRCMU_CHSPEC_D11AC_SB_LL BRCMU_CHSPEC_D11AC_SB_LLL +#define BRCMU_CHSPEC_D11AC_SB_LU BRCMU_CHSPEC_D11AC_SB_LLU +#define BRCMU_CHSPEC_D11AC_SB_UL BRCMU_CHSPEC_D11AC_SB_LUL +#define BRCMU_CHSPEC_D11AC_SB_UU BRCMU_CHSPEC_D11AC_SB_LUU +#define BRCMU_CHSPEC_D11AC_SB_L BRCMU_CHSPEC_D11AC_SB_LLL +#define BRCMU_CHSPEC_D11AC_SB_U BRCMU_CHSPEC_D11AC_SB_LLU +#define BRCMU_CHSPEC_D11AC_BW_MASK 0x3800 +#define BRCMU_CHSPEC_D11AC_BW_SHIFT 11 +#define BRCMU_CHSPEC_D11AC_BW_5 0x0000 +#define BRCMU_CHSPEC_D11AC_BW_10 0x0800 +#define BRCMU_CHSPEC_D11AC_BW_20 0x1000 +#define BRCMU_CHSPEC_D11AC_BW_40 0x1800 +#define BRCMU_CHSPEC_D11AC_BW_80 0x2000 +#define BRCMU_CHSPEC_D11AC_BW_160 0x2800 +#define BRCMU_CHSPEC_D11AC_BW_8080 0x3000 +#define BRCMU_CHSPEC_D11AC_BND_MASK 0xc000 +#define BRCMU_CHSPEC_D11AC_BND_SHIFT 14 +#define BRCMU_CHSPEC_D11AC_BND_2G 0x0000 +#define BRCMU_CHSPEC_D11AC_BND_3G 0x4000 +#define BRCMU_CHSPEC_D11AC_BND_4G 0x8000 +#define BRCMU_CHSPEC_D11AC_BND_5G 0xc000 + +#define BRCMU_CHAN_BAND_2G 0 +#define BRCMU_CHAN_BAND_5G 1 + +enum brcmu_chan_bw { + BRCMU_CHAN_BW_20, + BRCMU_CHAN_BW_40, + BRCMU_CHAN_BW_80, + BRCMU_CHAN_BW_80P80, + BRCMU_CHAN_BW_160, +}; + +enum brcmu_chan_sb { + BRCMU_CHAN_SB_NONE = -1, + BRCMU_CHAN_SB_LLL, + BRCMU_CHAN_SB_LLU, + BRCMU_CHAN_SB_LUL, + BRCMU_CHAN_SB_LUU, + BRCMU_CHAN_SB_ULL, + BRCMU_CHAN_SB_ULU, + BRCMU_CHAN_SB_UUL, + BRCMU_CHAN_SB_UUU, + BRCMU_CHAN_SB_L = BRCMU_CHAN_SB_LLL, + BRCMU_CHAN_SB_U = BRCMU_CHAN_SB_LLU, + BRCMU_CHAN_SB_LL = BRCMU_CHAN_SB_LLL, + BRCMU_CHAN_SB_LU = BRCMU_CHAN_SB_LLU, + BRCMU_CHAN_SB_UL = BRCMU_CHAN_SB_LUL, + BRCMU_CHAN_SB_UU = BRCMU_CHAN_SB_LUU, +}; + +struct brcmu_chan { + u16 chspec; + u8 chnum; + u8 band; + enum brcmu_chan_bw bw; + enum brcmu_chan_sb sb; +}; + +struct brcmu_d11inf { + u8 io_type; + + void (*encchspec)(struct brcmu_chan *ch); + void (*decchspec)(struct brcmu_chan *ch); +}; + +void brcmu_d11_attach(struct brcmu_d11inf *d11inf); + +#endif /* _BRCMU_CHANNELS_H_ */ diff --git a/drivers/net/wireless/brcm80211/include/brcmu_utils.h b/drivers/net/wireless/brcm80211/include/brcmu_utils.h index 477b92ad3d6..8ba445b3fd7 100644 --- a/drivers/net/wireless/brcm80211/include/brcmu_utils.h +++ b/drivers/net/wireless/brcm80211/include/brcmu_utils.h @@ -114,27 +114,29 @@ static inline struct sk_buff *pktq_ppeek_tail(struct pktq *pq, int prec) return skb_peek_tail(&pq->q[prec].skblist); } -extern struct sk_buff *brcmu_pktq_penq(struct pktq *pq, int prec, - struct sk_buff *p); -extern struct sk_buff *brcmu_pktq_penq_head(struct pktq *pq, int prec, - struct sk_buff *p); -extern struct sk_buff *brcmu_pktq_pdeq(struct pktq *pq, int prec); -extern struct sk_buff *brcmu_pktq_pdeq_tail(struct pktq *pq, int prec); +struct sk_buff *brcmu_pktq_penq(struct pktq *pq, int prec, struct sk_buff *p); +struct sk_buff *brcmu_pktq_penq_head(struct pktq *pq, int prec, + struct sk_buff *p); +struct sk_buff *brcmu_pktq_pdeq(struct pktq *pq, int prec); +struct sk_buff *brcmu_pktq_pdeq_tail(struct pktq *pq, int prec); +struct sk_buff *brcmu_pktq_pdeq_match(struct pktq *pq, int prec, + bool (*match_fn)(struct sk_buff *p, + void *arg), + void *arg); /* packet primitives */ -extern struct sk_buff *brcmu_pkt_buf_get_skb(uint len); -extern void brcmu_pkt_buf_free_skb(struct sk_buff *skb); +struct sk_buff *brcmu_pkt_buf_get_skb(uint len); +void brcmu_pkt_buf_free_skb(struct sk_buff *skb); /* Empty the queue at particular precedence level */ /* callback function fn(pkt, arg) returns true if pkt belongs to if */ -extern void brcmu_pktq_pflush(struct pktq *pq, int prec, - bool dir, bool (*fn)(struct sk_buff *, void *), void *arg); +void brcmu_pktq_pflush(struct pktq *pq, int prec, bool dir, + bool (*fn)(struct sk_buff *, void *), void *arg); /* operations on a set of precedences in packet queue */ -extern int brcmu_pktq_mlen(struct pktq *pq, uint prec_bmp); -extern struct sk_buff *brcmu_pktq_mdeq(struct pktq *pq, uint prec_bmp, - int *prec_out); +int brcmu_pktq_mlen(struct pktq *pq, uint prec_bmp); +struct sk_buff *brcmu_pktq_mdeq(struct pktq *pq, uint prec_bmp, int *prec_out); /* operations on packet queue as a whole */ @@ -163,27 +165,50 @@ static inline bool pktq_empty(struct pktq *pq) return pq->len == 0; } -extern void brcmu_pktq_init(struct pktq *pq, int num_prec, int max_len); +void brcmu_pktq_init(struct pktq *pq, int num_prec, int max_len); /* prec_out may be NULL if caller is not interested in return value */ -extern struct sk_buff *brcmu_pktq_peek_tail(struct pktq *pq, int *prec_out); -extern void brcmu_pktq_flush(struct pktq *pq, bool dir, - bool (*fn)(struct sk_buff *, void *), void *arg); +struct sk_buff *brcmu_pktq_peek_tail(struct pktq *pq, int *prec_out); +void brcmu_pktq_flush(struct pktq *pq, bool dir, + bool (*fn)(struct sk_buff *, void *), void *arg); /* externs */ /* ip address */ struct ipv4_addr; +/* + * bitfield macros using masking and shift + * + * remark: the mask parameter should be a shifted mask. + */ +static inline void brcmu_maskset32(u32 *var, u32 mask, u8 shift, u32 value) +{ + value = (value << shift) & mask; + *var = (*var & ~mask) | value; +} +static inline u32 brcmu_maskget32(u32 var, u32 mask, u8 shift) +{ + return (var & mask) >> shift; +} +static inline void brcmu_maskset16(u16 *var, u16 mask, u8 shift, u16 value) +{ + value = (value << shift) & mask; + *var = (*var & ~mask) | value; +} +static inline u16 brcmu_maskget16(u16 var, u16 mask, u8 shift) +{ + return (var & mask) >> shift; +} /* externs */ /* format/print */ #ifdef DEBUG -extern void brcmu_prpkt(const char *msg, struct sk_buff *p0); +void brcmu_prpkt(const char *msg, struct sk_buff *p0); #else #define brcmu_prpkt(a, b) #endif /* DEBUG */ #ifdef DEBUG -extern __printf(3, 4) +__printf(3, 4) void brcmu_dbg_hex_dump(const void *data, size_t size, const char *fmt, ...); #else __printf(3, 4) diff --git a/drivers/net/wireless/brcm80211/include/brcmu_wifi.h b/drivers/net/wireless/brcm80211/include/brcmu_wifi.h index c11a290a1ed..76b5d3a8629 100644 --- a/drivers/net/wireless/brcm80211/include/brcmu_wifi.h +++ b/drivers/net/wireless/brcm80211/include/brcmu_wifi.h @@ -29,11 +29,13 @@ #define CH_UPPER_SB 0x01 #define CH_LOWER_SB 0x02 #define CH_EWA_VALID 0x04 +#define CH_30MHZ_APART 6 #define CH_20MHZ_APART 4 #define CH_10MHZ_APART 2 #define CH_5MHZ_APART 1 /* 2G band channels are 5 Mhz apart */ +#define CH_MIN_2G_CHANNEL 1 #define CH_MAX_2G_CHANNEL 14 /* Max channel in 2G band */ -#define BRCM_MAX_2G_CHANNEL CH_MAX_2G_CHANNEL /* legacy define */ +#define CH_MIN_5G_CHANNEL 34 /* bandstate array indices */ #define BAND_2G_INDEX 0 /* wlc->bandstate[x] index */ @@ -60,6 +62,7 @@ #define WL_CHANSPEC_BW_10 0x0400 #define WL_CHANSPEC_BW_20 0x0800 #define WL_CHANSPEC_BW_40 0x0C00 +#define WL_CHANSPEC_BW_80 0x2000 #define WL_CHANSPEC_BAND_MASK 0xf000 #define WL_CHANSPEC_BAND_SHIFT 12 @@ -67,6 +70,39 @@ #define WL_CHANSPEC_BAND_2G 0x2000 #define INVCHANSPEC 255 +#define WL_CHAN_VALID_HW (1 << 0) /* valid with current HW */ +#define WL_CHAN_VALID_SW (1 << 1) /* valid with country sett. */ +#define WL_CHAN_BAND_5G (1 << 2) /* 5GHz-band channel */ +#define WL_CHAN_RADAR (1 << 3) /* radar sensitive channel */ +#define WL_CHAN_INACTIVE (1 << 4) /* inactive due to radar */ +#define WL_CHAN_PASSIVE (1 << 5) /* channel in passive mode */ +#define WL_CHAN_RESTRICTED (1 << 6) /* restricted use channel */ + +/* values for band specific 40MHz capabilities */ +#define WLC_N_BW_20ALL 0 +#define WLC_N_BW_40ALL 1 +#define WLC_N_BW_20IN2G_40IN5G 2 + +#define WLC_BW_20MHZ_BIT BIT(0) +#define WLC_BW_40MHZ_BIT BIT(1) +#define WLC_BW_80MHZ_BIT BIT(2) +#define WLC_BW_160MHZ_BIT BIT(3) + +/* Bandwidth capabilities */ +#define WLC_BW_CAP_20MHZ (WLC_BW_20MHZ_BIT) +#define WLC_BW_CAP_40MHZ (WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT) +#define WLC_BW_CAP_80MHZ (WLC_BW_80MHZ_BIT|WLC_BW_40MHZ_BIT| \ + WLC_BW_20MHZ_BIT) +#define WLC_BW_CAP_160MHZ (WLC_BW_160MHZ_BIT|WLC_BW_80MHZ_BIT| \ + WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT) +#define WLC_BW_CAP_UNRESTRICTED 0xFF + +/* band types */ +#define WLC_BAND_AUTO 0 /* auto-select */ +#define WLC_BAND_5G 1 /* 5 Ghz */ +#define WLC_BAND_2G 2 /* 2.4 Ghz */ +#define WLC_BAND_ALL 3 /* all bands */ + #define CHSPEC_CHANNEL(chspec) ((u8)((chspec) & WL_CHANSPEC_CHAN_MASK)) #define CHSPEC_BAND(chspec) ((chspec) & WL_CHANSPEC_BAND_MASK) @@ -79,10 +115,11 @@ #define CHSPEC_IS20(chspec) \ (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20) -#ifndef CHSPEC_IS40 #define CHSPEC_IS40(chspec) \ (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40) -#endif + +#define CHSPEC_IS80(chspec) \ + (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_80) #define CHSPEC_IS5G(chspec) \ (((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G) @@ -181,6 +218,9 @@ static inline bool ac_bitmap_tst(u8 bitmap, int prec) #define WSEC_SWFLAG 0x0008 /* to go into transition mode without setting wep */ #define SES_OW_ENABLED 0x0040 +/* MFP */ +#define MFP_CAPABLE 0x0200 +#define MFP_REQUIRED 0x0400 /* WPA authentication mode bitvec */ #define WPA_AUTH_DISABLED 0x0000 /* Legacy (i.e., non-WPA) */ diff --git a/drivers/net/wireless/brcm80211/include/chipcommon.h b/drivers/net/wireless/brcm80211/include/chipcommon.h index f96834a7c05..d242333b755 100644 --- a/drivers/net/wireless/brcm80211/include/chipcommon.h +++ b/drivers/net/wireless/brcm80211/include/chipcommon.h @@ -205,7 +205,7 @@ struct chipcregs { u32 res_req_timer_sel; u32 res_req_timer; u32 res_req_mask; - u32 PAD; + u32 pmucapabilities_ext; /* 0x64c, pmurev >=15 */ u32 chipcontrol_addr; /* 0x650 */ u32 chipcontrol_data; /* 0x654 */ u32 regcontrol_addr; @@ -214,7 +214,11 @@ struct chipcregs { u32 pllcontrol_data; u32 pmustrapopt; /* 0x668, corerev >= 28 */ u32 pmu_xtalfreq; /* 0x66C, pmurev >= 10 */ - u32 PAD[100]; + u32 retention_ctl; /* 0x670, pmurev >= 15 */ + u32 PAD[3]; + u32 retention_grpidx; /* 0x680 */ + u32 retention_grpctl; /* 0x684 */ + u32 PAD[94]; u16 sromotp[768]; }; @@ -276,6 +280,12 @@ struct chipcregs { #define PCAP5_VC_SHIFT 22 #define PCAP5_CC_MASK 0xf8000000 #define PCAP5_CC_SHIFT 27 +/* pmucapabilites_ext PMU rev >= 15 */ +#define PCAPEXT_SR_SUPPORTED_MASK (1 << 1) +/* retention_ctl PMU rev >= 15 */ +#define PMU_RCTL_MACPHY_DISABLE_MASK (1 << 26) +#define PMU_RCTL_LOGIC_DISABLE_MASK (1 << 27) + /* * Maximum delay for the PMU state transition in us. diff --git a/drivers/net/wireless/brcm80211/include/defs.h b/drivers/net/wireless/brcm80211/include/defs.h index f0d8c04a9c8..fb7cbcf8117 100644 --- a/drivers/net/wireless/brcm80211/include/defs.h +++ b/drivers/net/wireless/brcm80211/include/defs.h @@ -78,9 +78,14 @@ #define PM_OFF 0 #define PM_MAX 1 -/* Message levels */ -#define LOG_ERROR_VAL 0x00000001 -#define LOG_TRACE_VAL 0x00000002 +/* Debug levels */ +#define BRCM_DL_INFO 0x00000001 +#define BRCM_DL_MAC80211 0x00000002 +#define BRCM_DL_RX 0x00000004 +#define BRCM_DL_TX 0x00000008 +#define BRCM_DL_INT 0x00000010 +#define BRCM_DL_DMA 0x00000020 +#define BRCM_DL_HT 0x00000040 #define PM_OFF 0 #define PM_MAX 1 |