diff options
Diffstat (limited to 'drivers/net/benet')
| -rw-r--r-- | drivers/net/benet/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/net/benet/Makefile | 7 | ||||
| -rw-r--r-- | drivers/net/benet/be.h | 342 | ||||
| -rw-r--r-- | drivers/net/benet/be_cmds.c | 861 | ||||
| -rw-r--r-- | drivers/net/benet/be_cmds.h | 688 | ||||
| -rw-r--r-- | drivers/net/benet/be_ethtool.c | 362 | ||||
| -rw-r--r-- | drivers/net/benet/be_hw.h | 211 | ||||
| -rw-r--r-- | drivers/net/benet/be_main.c | 1955 |
8 files changed, 0 insertions, 4433 deletions
diff --git a/drivers/net/benet/Kconfig b/drivers/net/benet/Kconfig deleted file mode 100644 index c6934f179c0..00000000000 --- a/drivers/net/benet/Kconfig +++ /dev/null @@ -1,7 +0,0 @@ -config BE2NET - tristate "ServerEngines' 10Gbps NIC - BladeEngine 2" - depends on PCI && INET - select INET_LRO - help - This driver implements the NIC functionality for ServerEngines' - 10Gbps network adapter - BladeEngine 2. diff --git a/drivers/net/benet/Makefile b/drivers/net/benet/Makefile deleted file mode 100644 index a60cd805113..00000000000 --- a/drivers/net/benet/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# Makefile to build the network driver for ServerEngine's BladeEngine. -# - -obj-$(CONFIG_BE2NET) += be2net.o - -be2net-y := be_main.o be_cmds.o be_ethtool.o diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h deleted file mode 100644 index b4bb06fdf30..00000000000 --- a/drivers/net/benet/be.h +++ /dev/null @@ -1,342 +0,0 @@ -/* - * Copyright (C) 2005 - 2009 ServerEngines - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. The full GNU General - * Public License is included in this distribution in the file called COPYING. - * - * Contact Information: - * linux-drivers@serverengines.com - * - * ServerEngines - * 209 N. Fair Oaks Ave - * Sunnyvale, CA 94085 - */ - -#ifndef BE_H -#define BE_H - -#include <linux/pci.h> -#include <linux/etherdevice.h> -#include <linux/version.h> -#include <linux/delay.h> -#include <net/tcp.h> -#include <net/ip.h> -#include <net/ipv6.h> -#include <linux/if_vlan.h> -#include <linux/workqueue.h> -#include <linux/interrupt.h> -#include <linux/inet_lro.h> - -#include "be_hw.h" - -#define DRV_VER "2.0.348" -#define DRV_NAME "be2net" -#define BE_NAME "ServerEngines BladeEngine2 10Gbps NIC" -#define OC_NAME "Emulex OneConnect 10Gbps NIC" -#define DRV_DESC BE_NAME "Driver" - -#define BE_VENDOR_ID 0x19a2 -#define BE_DEVICE_ID1 0x211 -#define OC_DEVICE_ID1 0x700 -#define OC_DEVICE_ID2 0x701 - -static inline char *nic_name(struct pci_dev *pdev) -{ - if (pdev->device == OC_DEVICE_ID1 || pdev->device == OC_DEVICE_ID2) - return OC_NAME; - else - return BE_NAME; -} - -/* Number of bytes of an RX frame that are copied to skb->data */ -#define BE_HDR_LEN 64 -#define BE_MAX_JUMBO_FRAME_SIZE 9018 -#define BE_MIN_MTU 256 - -#define BE_NUM_VLANS_SUPPORTED 64 -#define BE_MAX_EQD 96 -#define BE_MAX_TX_FRAG_COUNT 30 - -#define EVNT_Q_LEN 1024 -#define TX_Q_LEN 2048 -#define TX_CQ_LEN 1024 -#define RX_Q_LEN 1024 /* Does not support any other value */ -#define RX_CQ_LEN 1024 -#define MCC_Q_LEN 64 /* total size not to exceed 8 pages */ -#define MCC_CQ_LEN 256 - -#define BE_NAPI_WEIGHT 64 -#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */ -#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST) - -#define BE_MAX_LRO_DESCRIPTORS 16 -#define BE_MAX_FRAGS_PER_FRAME 16 - -struct be_dma_mem { - void *va; - dma_addr_t dma; - u32 size; -}; - -struct be_queue_info { - struct be_dma_mem dma_mem; - u16 len; - u16 entry_size; /* Size of an element in the queue */ - u16 id; - u16 tail, head; - bool created; - atomic_t used; /* Number of valid elements in the queue */ -}; - -struct be_ctrl_info { - u8 __iomem *csr; - u8 __iomem *db; /* Door Bell */ - u8 __iomem *pcicfg; /* PCI config space */ - int pci_func; - - /* Mbox used for cmd request/response */ - spinlock_t cmd_lock; /* For serializing cmds to BE card */ - struct be_dma_mem mbox_mem; - /* Mbox mem is adjusted to align to 16 bytes. The allocated addr - * is stored for freeing purpose */ - struct be_dma_mem mbox_mem_alloced; -}; - -#include "be_cmds.h" - -struct be_drvr_stats { - u32 be_tx_reqs; /* number of TX requests initiated */ - u32 be_tx_stops; /* number of times TX Q was stopped */ - u32 be_fwd_reqs; /* number of send reqs through forwarding i/f */ - u32 be_tx_wrbs; /* number of tx WRBs used */ - u32 be_tx_events; /* number of tx completion events */ - u32 be_tx_compl; /* number of tx completion entries processed */ - ulong be_tx_jiffies; - u64 be_tx_bytes; - u64 be_tx_bytes_prev; - u32 be_tx_rate; - - u32 cache_barrier[16]; - - u32 be_ethrx_post_fail;/* number of ethrx buffer alloc failures */ - u32 be_polls; /* number of times NAPI called poll function */ - u32 be_rx_events; /* number of ucast rx completion events */ - u32 be_rx_compl; /* number of rx completion entries processed */ - u32 be_lro_hgram_data[8]; /* histogram of LRO data packets */ - u32 be_lro_hgram_ack[8]; /* histogram of LRO ACKs */ - ulong be_rx_jiffies; - u64 be_rx_bytes; - u64 be_rx_bytes_prev; - u32 be_rx_rate; - /* number of non ether type II frames dropped where - * frame len > length field of Mac Hdr */ - u32 be_802_3_dropped_frames; - /* number of non ether type II frames malformed where - * in frame len < length field of Mac Hdr */ - u32 be_802_3_malformed_frames; - u32 be_rxcp_err; /* Num rx completion entries w/ err set. */ - ulong rx_fps_jiffies; /* jiffies at last FPS calc */ - u32 be_rx_frags; - u32 be_prev_rx_frags; - u32 be_rx_fps; /* Rx frags per second */ -}; - -struct be_stats_obj { - struct be_drvr_stats drvr_stats; - struct net_device_stats net_stats; - struct be_dma_mem cmd; -}; - -struct be_eq_obj { - struct be_queue_info q; - char desc[32]; - - /* Adaptive interrupt coalescing (AIC) info */ - bool enable_aic; - u16 min_eqd; /* in usecs */ - u16 max_eqd; /* in usecs */ - u16 cur_eqd; /* in usecs */ - - struct napi_struct napi; -}; - -struct be_tx_obj { - struct be_queue_info q; - struct be_queue_info cq; - /* Remember the skbs that were transmitted */ - struct sk_buff *sent_skb_list[TX_Q_LEN]; -}; - -/* Struct to remember the pages posted for rx frags */ -struct be_rx_page_info { - struct page *page; - dma_addr_t bus; - u16 page_offset; - bool last_page_user; -}; - -struct be_rx_obj { - struct be_queue_info q; - struct be_queue_info cq; - struct be_rx_page_info page_info_tbl[RX_Q_LEN]; - struct net_lro_mgr lro_mgr; - struct net_lro_desc lro_desc[BE_MAX_LRO_DESCRIPTORS]; -}; - -#define BE_NUM_MSIX_VECTORS 2 /* 1 each for Tx and Rx */ -struct be_adapter { - struct pci_dev *pdev; - struct net_device *netdev; - - /* Mbox, pci config, csr address information */ - struct be_ctrl_info ctrl; - - struct msix_entry msix_entries[BE_NUM_MSIX_VECTORS]; - bool msix_enabled; - bool isr_registered; - - /* TX Rings */ - struct be_eq_obj tx_eq; - struct be_tx_obj tx_obj; - - u32 cache_line_break[8]; - - /* Rx rings */ - struct be_eq_obj rx_eq; - struct be_rx_obj rx_obj; - u32 big_page_size; /* Compounded page size shared by rx wrbs */ - bool rx_post_starved; /* Zero rx frags have been posted to BE */ - - struct vlan_group *vlan_grp; - u16 num_vlans; - u8 vlan_tag[VLAN_GROUP_ARRAY_LEN]; - - struct be_stats_obj stats; - /* Work queue used to perform periodic tasks like getting statistics */ - struct delayed_work work; - - /* Ethtool knobs and info */ - bool rx_csum; /* BE card must perform rx-checksumming */ - u32 max_rx_coal; - char fw_ver[FW_VER_LEN]; - u32 if_handle; /* Used to configure filtering */ - u32 pmac_id; /* MAC addr handle used by BE card */ - - struct be_link_info link; - u32 port_num; -}; - -extern struct ethtool_ops be_ethtool_ops; - -#define drvr_stats(adapter) (&adapter->stats.drvr_stats) - -#define BE_SET_NETDEV_OPS(netdev, ops) (netdev->netdev_ops = ops) - -static inline u32 MODULO(u16 val, u16 limit) -{ - BUG_ON(limit & (limit - 1)); - return val & (limit - 1); -} - -static inline void index_adv(u16 *index, u16 val, u16 limit) -{ - *index = MODULO((*index + val), limit); -} - -static inline void index_inc(u16 *index, u16 limit) -{ - *index = MODULO((*index + 1), limit); -} - -#define PAGE_SHIFT_4K 12 -#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) - -/* Returns number of pages spanned by the data starting at the given addr */ -#define PAGES_4K_SPANNED(_address, size) \ - ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ - (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K)) - -/* Byte offset into the page corresponding to given address */ -#define OFFSET_IN_PAGE(addr) \ - ((size_t)(addr) & (PAGE_SIZE_4K-1)) - -/* Returns bit offset within a DWORD of a bitfield */ -#define AMAP_BIT_OFFSET(_struct, field) \ - (((size_t)&(((_struct *)0)->field))%32) - -/* Returns the bit mask of the field that is NOT shifted into location. */ -static inline u32 amap_mask(u32 bitsize) -{ - return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1); -} - -static inline void -amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value) -{ - u32 *dw = (u32 *) ptr + dw_offset; - *dw &= ~(mask << offset); - *dw |= (mask & value) << offset; -} - -#define AMAP_SET_BITS(_struct, field, ptr, val) \ - amap_set(ptr, \ - offsetof(_struct, field)/32, \ - amap_mask(sizeof(((_struct *)0)->field)), \ - AMAP_BIT_OFFSET(_struct, field), \ - val) - -static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset) -{ - u32 *dw = (u32 *) ptr; - return mask & (*(dw + dw_offset) >> offset); -} - -#define AMAP_GET_BITS(_struct, field, ptr) \ - amap_get(ptr, \ - offsetof(_struct, field)/32, \ - amap_mask(sizeof(((_struct *)0)->field)), \ - AMAP_BIT_OFFSET(_struct, field)) - -#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len) -#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len) -static inline void swap_dws(void *wrb, int len) -{ -#ifdef __BIG_ENDIAN - u32 *dw = wrb; - BUG_ON(len % 4); - do { - *dw = cpu_to_le32(*dw); - dw++; - len -= 4; - } while (len); -#endif /* __BIG_ENDIAN */ -} - -static inline u8 is_tcp_pkt(struct sk_buff *skb) -{ - u8 val = 0; - - if (ip_hdr(skb)->version == 4) - val = (ip_hdr(skb)->protocol == IPPROTO_TCP); - else if (ip_hdr(skb)->version == 6) - val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP); - - return val; -} - -static inline u8 is_udp_pkt(struct sk_buff *skb) -{ - u8 val = 0; - - if (ip_hdr(skb)->version == 4) - val = (ip_hdr(skb)->protocol == IPPROTO_UDP); - else if (ip_hdr(skb)->version == 6) - val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP); - - return val; -} - -#endif /* BE_H */ diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c deleted file mode 100644 index d444aed962b..00000000000 --- a/drivers/net/benet/be_cmds.c +++ /dev/null @@ -1,861 +0,0 @@ -/* - * Copyright (C) 2005 - 2009 ServerEngines - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. The full GNU General - * Public License is included in this distribution in the file called COPYING. - * - * Contact Information: - * linux-drivers@serverengines.com - * - * ServerEngines - * 209 N. Fair Oaks Ave - * Sunnyvale, CA 94085 - */ - -#include "be.h" - -static int be_mbox_db_ready_wait(void __iomem *db) -{ - int cnt = 0, wait = 5; - u32 ready; - - do { - ready = ioread32(db) & MPU_MAILBOX_DB_RDY_MASK; - if (ready) - break; - - if (cnt > 200000) { - printk(KERN_WARNING DRV_NAME - ": mbox_db poll timed out\n"); - return -1; - } - - if (cnt > 50) - wait = 200; - cnt += wait; - udelay(wait); - } while (true); - - return 0; -} - -/* - * Insert the mailbox address into the doorbell in two steps - */ -static int be_mbox_db_ring(struct be_ctrl_info *ctrl) -{ - int status; - u16 compl_status, extd_status; - u32 val = 0; - void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET; - struct be_dma_mem *mbox_mem = &ctrl->mbox_mem; - struct be_mcc_mailbox *mbox = mbox_mem->va; - struct be_mcc_cq_entry *cqe = &mbox->cqe; - - memset(cqe, 0, sizeof(*cqe)); - - val &= ~MPU_MAILBOX_DB_RDY_MASK; - val |= MPU_MAILBOX_DB_HI_MASK; - /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */ - val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2; - iowrite32(val, db); - - /* wait for ready to be set */ - status = be_mbox_db_ready_wait(db); - if (status != 0) - return status; - - val = 0; - val &= ~MPU_MAILBOX_DB_RDY_MASK; - val &= ~MPU_MAILBOX_DB_HI_MASK; - /* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */ - val |= (u32)(mbox_mem->dma >> 4) << 2; - iowrite32(val, db); - - status = be_mbox_db_ready_wait(db); - if (status != 0) - return status; - - /* compl entry has been made now */ - be_dws_le_to_cpu(cqe, sizeof(*cqe)); - if (!(cqe->flags & CQE_FLAGS_VALID_MASK)) { - printk(KERN_WARNING DRV_NAME ": ERROR invalid mbox compl\n"); - return -1; - } - - compl_status = (cqe->status >> CQE_STATUS_COMPL_SHIFT) & - CQE_STATUS_COMPL_MASK; - if (compl_status != MCC_STATUS_SUCCESS) { - extd_status = (cqe->status >> CQE_STATUS_EXTD_SHIFT) & - CQE_STATUS_EXTD_MASK; - printk(KERN_WARNING DRV_NAME - ": ERROR in cmd compl. status(compl/extd)=%d/%d\n", - compl_status, extd_status); - } - - return compl_status; -} - -static int be_POST_stage_get(struct be_ctrl_info *ctrl, u16 *stage) -{ - u32 sem = ioread32(ctrl->csr + MPU_EP_SEMAPHORE_OFFSET); - - *stage = sem & EP_SEMAPHORE_POST_STAGE_MASK; - if ((sem >> EP_SEMAPHORE_POST_ERR_SHIFT) & EP_SEMAPHORE_POST_ERR_MASK) - return -1; - else - return 0; -} - -static int be_POST_stage_poll(struct be_ctrl_info *ctrl, u16 poll_stage) -{ - u16 stage, cnt, error; - for (cnt = 0; cnt < 5000; cnt++) { - error = be_POST_stage_get(ctrl, &stage); - if (error) - return -1; - - if (stage == poll_stage) - break; - udelay(1000); - } - if (stage != poll_stage) - return -1; - return 0; -} - - -int be_cmd_POST(struct be_ctrl_info *ctrl) -{ - u16 stage, error; - - error = be_POST_stage_get(ctrl, &stage); - if (error) - goto err; - - if (stage == POST_STAGE_ARMFW_RDY) - return 0; - - if (stage != POST_STAGE_AWAITING_HOST_RDY) - goto err; - - /* On awaiting host rdy, reset and again poll on awaiting host rdy */ - iowrite32(POST_STAGE_BE_RESET, ctrl->csr + MPU_EP_SEMAPHORE_OFFSET); - error = be_POST_stage_poll(ctrl, POST_STAGE_AWAITING_HOST_RDY); - if (error) - goto err; - - /* Now kickoff POST and poll on armfw ready */ - iowrite32(POST_STAGE_HOST_RDY, ctrl->csr + MPU_EP_SEMAPHORE_OFFSET); - error = be_POST_stage_poll(ctrl, POST_STAGE_ARMFW_RDY); - if (error) - goto err; - - return 0; -err: - printk(KERN_WARNING DRV_NAME ": ERROR, stage=%d\n", stage); - return -1; -} - -static inline void *embedded_payload(struct be_mcc_wrb *wrb) -{ - return wrb->payload.embedded_payload; -} - -static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb) -{ - return &wrb->payload.sgl[0]; -} - -/* Don't touch the hdr after it's prepared */ -static void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len, - bool embedded, u8 sge_cnt) -{ - if (embedded) - wrb->embedded |= MCC_WRB_EMBEDDED_MASK; - else - wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) << - MCC_WRB_SGE_CNT_SHIFT; - wrb->payload_length = payload_len; - be_dws_cpu_to_le(wrb, 20); -} - -/* Don't touch the hdr after it's prepared */ -static void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr, - u8 subsystem, u8 opcode, int cmd_len) -{ - req_hdr->opcode = opcode; - req_hdr->subsystem = subsystem; - req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr)); -} - -static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages, - struct be_dma_mem *mem) -{ - int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages); - u64 dma = (u64)mem->dma; - - for (i = 0; i < buf_pages; i++) { - pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF); - pages[i].hi = cpu_to_le32(upper_32_bits(dma)); - dma += PAGE_SIZE_4K; - } -} - -/* Converts interrupt delay in microseconds to multiplier value */ -static u32 eq_delay_to_mult(u32 usec_delay) -{ -#define MAX_INTR_RATE 651042 - const u32 round = 10; - u32 multiplier; - - if (usec_delay == 0) - multiplier = 0; - else { - u32 interrupt_rate = 1000000 / usec_delay; - /* Max delay, corresponding to the lowest interrupt rate */ - if (interrupt_rate == 0) - multiplier = 1023; - else { - multiplier = (MAX_INTR_RATE - interrupt_rate) * round; - multiplier /= interrupt_rate; - /* Round the multiplier to the closest value.*/ - multiplier = (multiplier + round/2) / round; - multiplier = min(multiplier, (u32)1023); - } - } - return multiplier; -} - -static inline struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem) -{ - return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb; -} - -int be_cmd_eq_create(struct be_ctrl_info *ctrl, - struct be_queue_info *eq, int eq_delay) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_eq_create *req = embedded_payload(wrb); - struct be_cmd_resp_eq_create *resp = embedded_payload(wrb); - struct be_dma_mem *q_mem = &eq->dma_mem; - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_EQ_CREATE, sizeof(*req)); - - req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size)); - - AMAP_SET_BITS(struct amap_eq_context, func, req->context, - ctrl->pci_func); - AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1); - /* 4byte eqe*/ - AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0); - AMAP_SET_BITS(struct amap_eq_context, count, req->context, - __ilog2_u32(eq->len/256)); - AMAP_SET_BITS(struct amap_eq_context, delaymult, req->context, - eq_delay_to_mult(eq_delay)); - be_dws_cpu_to_le(req->context, sizeof(req->context)); - - be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); - - status = be_mbox_db_ring(ctrl); - if (!status) { - eq->id = le16_to_cpu(resp->eq_id); - eq->created = true; - } - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr, - u8 type, bool permanent, u32 if_handle) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_mac_query *req = embedded_payload(wrb); - struct be_cmd_resp_mac_query *resp = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req)); - - req->type = type; - if (permanent) { - req->permanent = 1; - } else { - req->if_id = cpu_to_le16((u16)if_handle); - req->permanent = 0; - } - - status = be_mbox_db_ring(ctrl); - if (!status) - memcpy(mac_addr, resp->mac.addr, ETH_ALEN); - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr, - u32 if_id, u32 *pmac_id) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_pmac_add *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req)); - - req->if_id = cpu_to_le32(if_id); - memcpy(req->mac_address, mac_addr, ETH_ALEN); - - status = be_mbox_db_ring(ctrl); - if (!status) { - struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb); - *pmac_id = le32_to_cpu(resp->pmac_id); - } - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_pmac_del *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req)); - - req->if_id = cpu_to_le32(if_id); - req->pmac_id = cpu_to_le32(pmac_id); - - status = be_mbox_db_ring(ctrl); - spin_unlock(&ctrl->cmd_lock); - - return status; -} - -int be_cmd_cq_create(struct be_ctrl_info *ctrl, - struct be_queue_info *cq, struct be_queue_info *eq, - bool sol_evts, bool no_delay, int coalesce_wm) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_cq_create *req = embedded_payload(wrb); - struct be_cmd_resp_cq_create *resp = embedded_payload(wrb); - struct be_dma_mem *q_mem = &cq->dma_mem; - void *ctxt = &req->context; - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_CQ_CREATE, sizeof(*req)); - - req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size)); - - AMAP_SET_BITS(struct amap_cq_context, coalescwm, ctxt, coalesce_wm); - AMAP_SET_BITS(struct amap_cq_context, nodelay, ctxt, no_delay); - AMAP_SET_BITS(struct amap_cq_context, count, ctxt, - __ilog2_u32(cq->len/256)); - AMAP_SET_BITS(struct amap_cq_context, valid, ctxt, 1); - AMAP_SET_BITS(struct amap_cq_context, solevent, ctxt, sol_evts); - AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1); - AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id); - AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 0); - AMAP_SET_BITS(struct amap_cq_context, func, ctxt, ctrl->pci_func); - be_dws_cpu_to_le(ctxt, sizeof(req->context)); - - be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); - - status = be_mbox_db_ring(ctrl); - if (!status) { - cq->id = le16_to_cpu(resp->cq_id); - cq->created = true; - } - spin_unlock(&ctrl->cmd_lock); - - return status; -} - -int be_cmd_txq_create(struct be_ctrl_info *ctrl, - struct be_queue_info *txq, - struct be_queue_info *cq) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_eth_tx_create *req = embedded_payload(wrb); - struct be_dma_mem *q_mem = &txq->dma_mem; - void *ctxt = &req->context; - int status; - u32 len_encoded; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_TX_CREATE, - sizeof(*req)); - - req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size); - req->ulp_num = BE_ULP1_NUM; - req->type = BE_ETH_TX_RING_TYPE_STANDARD; - - len_encoded = fls(txq->len); /* log2(len) + 1 */ - if (len_encoded == 16) - len_encoded = 0; - AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt, len_encoded); - AMAP_SET_BITS(struct amap_tx_context, pci_func_id, ctxt, - ctrl->pci_func); - AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1); - AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id); - - be_dws_cpu_to_le(ctxt, sizeof(req->context)); - - be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); - - status = be_mbox_db_ring(ctrl); - if (!status) { - struct be_cmd_resp_eth_tx_create *resp = embedded_payload(wrb); - txq->id = le16_to_cpu(resp->cid); - txq->created = true; - } - spin_unlock(&ctrl->cmd_lock); - - return status; -} - -int be_cmd_rxq_create(struct be_ctrl_info *ctrl, - struct be_queue_info *rxq, u16 cq_id, u16 frag_size, - u16 max_frame_size, u32 if_id, u32 rss) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_eth_rx_create *req = embedded_payload(wrb); - struct be_dma_mem *q_mem = &rxq->dma_mem; - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_CREATE, - sizeof(*req)); - - req->cq_id = cpu_to_le16(cq_id); - req->frag_size = fls(frag_size) - 1; - req->num_pages = 2; - be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); - req->interface_id = cpu_to_le32(if_id); - req->max_frame_size = cpu_to_le16(max_frame_size); - req->rss_queue = cpu_to_le32(rss); - - status = be_mbox_db_ring(ctrl); - if (!status) { - struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb); - rxq->id = le16_to_cpu(resp->id); - rxq->created = true; - } - spin_unlock(&ctrl->cmd_lock); - - return status; -} - -/* Generic destroyer function for all types of queues */ -int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q, - int queue_type) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_q_destroy *req = embedded_payload(wrb); - u8 subsys = 0, opcode = 0; - int status; - - spin_lock(&ctrl->cmd_lock); - - memset(wrb, 0, sizeof(*wrb)); - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - switch (queue_type) { - case QTYPE_EQ: - subsys = CMD_SUBSYSTEM_COMMON; - opcode = OPCODE_COMMON_EQ_DESTROY; - break; - case QTYPE_CQ: - subsys = CMD_SUBSYSTEM_COMMON; - opcode = OPCODE_COMMON_CQ_DESTROY; - break; - case QTYPE_TXQ: - subsys = CMD_SUBSYSTEM_ETH; - opcode = OPCODE_ETH_TX_DESTROY; - break; - case QTYPE_RXQ: - subsys = CMD_SUBSYSTEM_ETH; - opcode = OPCODE_ETH_RX_DESTROY; - break; - default: - printk(KERN_WARNING DRV_NAME ":bad Q type in Q destroy cmd\n"); - status = -1; - goto err; - } - be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req)); - req->id = cpu_to_le16(q->id); - - status = be_mbox_db_ring(ctrl); -err: - spin_unlock(&ctrl->cmd_lock); - - return status; -} - -/* Create an rx filtering policy configuration on an i/f */ -int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 flags, u8 *mac, - bool pmac_invalid, u32 *if_handle, u32 *pmac_id) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_if_create *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req)); - - req->capability_flags = cpu_to_le32(flags); - req->enable_flags = cpu_to_le32(flags); - if (!pmac_invalid) - memcpy(req->mac_addr, mac, ETH_ALEN); - - status = be_mbox_db_ring(ctrl); - if (!status) { - struct be_cmd_resp_if_create *resp = embedded_payload(wrb); - *if_handle = le32_to_cpu(resp->interface_id); - if (!pmac_invalid) - *pmac_id = le32_to_cpu(resp->pmac_id); - } - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 interface_id) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_if_destroy *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req)); - - req->interface_id = cpu_to_le32(interface_id); - status = be_mbox_db_ring(ctrl); - - spin_unlock(&ctrl->cmd_lock); - - return status; -} - -/* Get stats is a non embedded command: the request is not embedded inside - * WRB but is a separate dma memory block - */ -int be_cmd_get_stats(struct be_ctrl_info *ctrl, struct be_dma_mem *nonemb_cmd) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_get_stats *req = nonemb_cmd->va; - struct be_sge *sge = nonembedded_sgl(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - memset(req, 0, sizeof(*req)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, - OPCODE_ETH_GET_STATISTICS, sizeof(*req)); - sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); - sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); - sge->len = cpu_to_le32(nonemb_cmd->size); - - status = be_mbox_db_ring(ctrl); - if (!status) { - struct be_cmd_resp_get_stats *resp = nonemb_cmd->va; - be_dws_le_to_cpu(&resp->hw_stats, sizeof(resp->hw_stats)); - } - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_link_status_query(struct be_ctrl_info *ctrl, - struct be_link_info *link) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_link_status *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req)); - - status = be_mbox_db_ring(ctrl); - if (!status) { - struct be_cmd_resp_link_status *resp = embedded_payload(wrb); - link->speed = resp->mac_speed; - link->duplex = resp->mac_duplex; - link->fault = resp->mac_fault; - } else { - link->speed = PHY_LINK_SPEED_ZERO; - } - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_get_fw_version *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_GET_FW_VERSION, sizeof(*req)); - - status = be_mbox_db_ring(ctrl); - if (!status) { - struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb); - strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN); - } - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -/* set the EQ delay interval of an EQ to specified value */ -int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_modify_eq_delay *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req)); - - req->num_eq = cpu_to_le32(1); - req->delay[0].eq_id = cpu_to_le32(eq_id); - req->delay[0].phase = 0; - req->delay[0].delay_multiplier = cpu_to_le32(eqd); - - status = be_mbox_db_ring(ctrl); - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id, u16 *vtag_array, - u32 num, bool untagged, bool promiscuous) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_vlan_config *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req)); - - req->interface_id = if_id; - req->promiscuous = promiscuous; - req->untagged = untagged; - req->num_vlan = num; - if (!promiscuous) { - memcpy(req->normal_vlan, vtag_array, - req->num_vlan * sizeof(vtag_array[0])); - } - - status = be_mbox_db_ring(ctrl); - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl, u8 port_num, bool en) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_promiscuous_config *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, - OPCODE_ETH_PROMISCUOUS, sizeof(*req)); - - if (port_num) - req->port1_promiscuous = en; - else - req->port0_promiscuous = en; - - status = be_mbox_db_ring(ctrl); - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id, u8 *mac_table, - u32 num, bool promiscuous) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_mcast_mac_config *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req)); - - req->interface_id = if_id; - req->promiscuous = promiscuous; - if (!promiscuous) { - req->num_mac = cpu_to_le16(num); - if (num) - memcpy(req->mac, mac_table, ETH_ALEN * num); - } - - status = be_mbox_db_ring(ctrl); - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_set_flow_control(struct be_ctrl_info *ctrl, u32 tx_fc, u32 rx_fc) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_set_flow_control *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req)); - - req->tx_flow_control = cpu_to_le16((u16)tx_fc); - req->rx_flow_control = cpu_to_le16((u16)rx_fc); - - status = be_mbox_db_ring(ctrl); - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_get_flow_control(struct be_ctrl_info *ctrl, u32 *tx_fc, u32 *rx_fc) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_get_flow_control *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req)); - - status = be_mbox_db_ring(ctrl); - if (!status) { - struct be_cmd_resp_get_flow_control *resp = - embedded_payload(wrb); - *tx_fc = le16_to_cpu(resp->tx_flow_control); - *rx_fc = le16_to_cpu(resp->rx_flow_control); - } - - spin_unlock(&ctrl->cmd_lock); - return status; -} - -int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_query_fw_cfg *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->cmd_lock); - - memset(wrb, 0, sizeof(*wrb)); - - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, - OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req)); - - status = be_mbox_db_ring(ctrl); - if (!status) { - struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb); - *port_num = le32_to_cpu(resp->phys_port); - } - - spin_unlock(&ctrl->cmd_lock); - return status; -} diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h deleted file mode 100644 index e499e2d5b8c..00000000000 --- a/drivers/net/benet/be_cmds.h +++ /dev/null @@ -1,688 +0,0 @@ -/* - * Copyright (C) 2005 - 2009 ServerEngines - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. The full GNU General - * Public License is included in this distribution in the file called COPYING. - * - * Contact Information: - * linux-drivers@serverengines.com - * - * ServerEngines - * 209 N. Fair Oaks Ave - * Sunnyvale, CA 94085 - */ - -/* - * The driver sends configuration and managements command requests to the - * firmware in the BE. These requests are communicated to the processor - * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one - * WRB inside a MAILBOX. - * The commands are serviced by the ARM processor in the BladeEngine's MPU. - */ - -struct be_sge { - u32 pa_lo; - u32 pa_hi; - u32 len; -}; - -#define MCC_WRB_EMBEDDED_MASK 1 /* bit 0 of dword 0*/ -#define MCC_WRB_SGE_CNT_SHIFT 3 /* bits 3 - 7 of dword 0 */ -#define MCC_WRB_SGE_CNT_MASK 0x1F /* bits 3 - 7 of dword 0 */ -struct be_mcc_wrb { - u32 embedded; /* dword 0 */ - u32 payload_length; /* dword 1 */ - u32 tag0; /* dword 2 */ - u32 tag1; /* dword 3 */ - u32 rsvd; /* dword 4 */ - union { - u8 embedded_payload[236]; /* used by embedded cmds */ - struct be_sge sgl[19]; /* used by non-embedded cmds */ - } payload; -}; - -#define CQE_FLAGS_VALID_MASK (1 << 31) -#define CQE_FLAGS_ASYNC_MASK (1 << 30) -#define CQE_FLAGS_COMPLETED_MASK (1 << 28) -#define CQE_FLAGS_CONSUMED_MASK (1 << 27) - -/* Completion Status */ -enum { - MCC_STATUS_SUCCESS = 0x0, -/* The client does not have sufficient privileges to execute the command */ - MCC_STATUS_INSUFFICIENT_PRIVILEGES = 0x1, -/* A parameter in the command was invalid. */ - MCC_STATUS_INVALID_PARAMETER = 0x2, -/* There are insufficient chip resources to execute the command */ - MCC_STATUS_INSUFFICIENT_RESOURCES = 0x3, -/* The command is completing because the queue was getting flushed */ - MCC_STATUS_QUEUE_FLUSHING = 0x4, -/* The command is completing with a DMA error */ - MCC_STATUS_DMA_FAILED = 0x5 -}; - -#define CQE_STATUS_COMPL_MASK 0xFFFF -#define CQE_STATUS_COMPL_SHIFT 0 /* bits 0 - 15 */ -#define CQE_STATUS_EXTD_MASK 0xFFFF -#define CQE_STATUS_EXTD_SHIFT 0 /* bits 0 - 15 */ - -struct be_mcc_cq_entry { - u32 status; /* dword 0 */ - u32 tag0; /* dword 1 */ - u32 tag1; /* dword 2 */ - u32 flags; /* dword 3 */ -}; - -struct be_mcc_mailbox { - struct be_mcc_wrb wrb; - struct be_mcc_cq_entry cqe; -}; - -#define CMD_SUBSYSTEM_COMMON 0x1 -#define CMD_SUBSYSTEM_ETH 0x3 - -#define OPCODE_COMMON_NTWK_MAC_QUERY 1 -#define OPCODE_COMMON_NTWK_MAC_SET 2 -#define OPCODE_COMMON_NTWK_MULTICAST_SET 3 -#define OPCODE_COMMON_NTWK_VLAN_CONFIG 4 -#define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5 -#define OPCODE_COMMON_CQ_CREATE 12 -#define OPCODE_COMMON_EQ_CREATE 13 -#define OPCODE_COMMON_MCC_CREATE 21 -#define OPCODE_COMMON_NTWK_RX_FILTER 34 -#define OPCODE_COMMON_GET_FW_VERSION 35 -#define OPCODE_COMMON_SET_FLOW_CONTROL 36 -#define OPCODE_COMMON_GET_FLOW_CONTROL 37 -#define OPCODE_COMMON_SET_FRAME_SIZE 39 -#define OPCODE_COMMON_MODIFY_EQ_DELAY 41 -#define OPCODE_COMMON_FIRMWARE_CONFIG 42 -#define OPCODE_COMMON_NTWK_INTERFACE_CREATE 50 -#define OPCODE_COMMON_NTWK_INTERFACE_DESTROY 51 -#define OPCODE_COMMON_CQ_DESTROY 54 -#define OPCODE_COMMON_EQ_DESTROY 55 -#define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG 58 -#define OPCODE_COMMON_NTWK_PMAC_ADD 59 -#define OPCODE_COMMON_NTWK_PMAC_DEL 60 - -#define OPCODE_ETH_ACPI_CONFIG 2 -#define OPCODE_ETH_PROMISCUOUS 3 -#define OPCODE_ETH_GET_STATISTICS 4 -#define OPCODE_ETH_TX_CREATE 7 -#define OPCODE_ETH_RX_CREATE 8 -#define OPCODE_ETH_TX_DESTROY 9 -#define OPCODE_ETH_RX_DESTROY 10 - -struct be_cmd_req_hdr { - u8 opcode; /* dword 0 */ - u8 subsystem; /* dword 0 */ - u8 port_number; /* dword 0 */ - u8 domain; /* dword 0 */ - u32 timeout; /* dword 1 */ - u32 request_length; /* dword 2 */ - u32 rsvd; /* dword 3 */ -}; - -#define RESP_HDR_INFO_OPCODE_SHIFT 0 /* bits 0 - 7 */ -#define RESP_HDR_INFO_SUBSYS_SHIFT 8 /* bits 8 - 15 */ -struct be_cmd_resp_hdr { - u32 info; /* dword 0 */ - u32 status; /* dword 1 */ - u32 response_length; /* dword 2 */ - u32 actual_resp_len; /* dword 3 */ -}; - -struct phys_addr { - u32 lo; - u32 hi; -}; - -/************************** - * BE Command definitions * - **************************/ - -/* Pseudo amap definition in which each bit of the actual structure is defined - * as a byte: used to calculate offset/shift/mask of each field */ -struct amap_eq_context { - u8 cidx[13]; /* dword 0*/ - u8 rsvd0[3]; /* dword 0*/ - u8 epidx[13]; /* dword 0*/ - u8 valid; /* dword 0*/ - u8 rsvd1; /* dword 0*/ - u8 size; /* dword 0*/ - u8 pidx[13]; /* dword 1*/ - u8 rsvd2[3]; /* dword 1*/ - u8 pd[10]; /* dword 1*/ - u8 count[3]; /* dword 1*/ - u8 solevent; /* dword 1*/ - u8 stalled; /* dword 1*/ - u8 armed; /* dword 1*/ - u8 rsvd3[4]; /* dword 2*/ - u8 func[8]; /* dword 2*/ - u8 rsvd4; /* dword 2*/ - u8 delaymult[10]; /* dword 2*/ - u8 rsvd5[2]; /* dword 2*/ - u8 phase[2]; /* dword 2*/ - u8 nodelay; /* dword 2*/ - u8 rsvd6[4]; /* dword 2*/ - u8 rsvd7[32]; /* dword 3*/ -} __packed; - -struct be_cmd_req_eq_create { - struct be_cmd_req_hdr hdr; - u16 num_pages; /* sword */ - u16 rsvd0; /* sword */ - u8 context[sizeof(struct amap_eq_context) / 8]; - struct phys_addr pages[8]; -} __packed; - -struct be_cmd_resp_eq_create { - struct be_cmd_resp_hdr resp_hdr; - u16 eq_id; /* sword */ - u16 rsvd0; /* sword */ -} __packed; - -/******************** Mac query ***************************/ -enum { - MAC_ADDRESS_TYPE_STORAGE = 0x0, - MAC_ADDRESS_TYPE_NETWORK = 0x1, - MAC_ADDRESS_TYPE_PD = 0x2, - MAC_ADDRESS_TYPE_MANAGEMENT = 0x3 -}; - -struct mac_addr { - u16 size_of_struct; - u8 addr[ETH_ALEN]; -} __packed; - -struct be_cmd_req_mac_query { - struct be_cmd_req_hdr hdr; - u8 type; - u8 permanent; - u16 if_id; -} __packed; - -struct be_cmd_resp_mac_query { - struct be_cmd_resp_hdr hdr; - struct mac_addr mac; -}; - -/******************** PMac Add ***************************/ -struct be_cmd_req_pmac_add { - struct be_cmd_req_hdr hdr; - u32 if_id; - u8 mac_address[ETH_ALEN]; - u8 rsvd0[2]; -} __packed; - -struct be_cmd_resp_pmac_add { - struct be_cmd_resp_hdr hdr; - u32 pmac_id; -}; - -/******************** PMac Del ***************************/ -struct be_cmd_req_pmac_del { - struct be_cmd_req_hdr hdr; - u32 if_id; - u32 pmac_id; -}; - -/******************** Create CQ ***************************/ -/* Pseudo amap definition in which each bit of the actual structure is defined - * as a byte: used to calculate offset/shift/mask of each field */ -struct amap_cq_context { - u8 cidx[11]; /* dword 0*/ - u8 rsvd0; /* dword 0*/ - u8 coalescwm[2]; /* dword 0*/ - u8 nodelay; /* dword 0*/ - u8 epidx[11]; /* dword 0*/ - u8 rsvd1; /* dword 0*/ - u8 count[2]; /* dword 0*/ - u8 valid; /* dword 0*/ - u8 solevent; /* dword 0*/ - u8 eventable; /* dword 0*/ - u8 pidx[11]; /* dword 1*/ - u8 rsvd2; /* dword 1*/ - u8 pd[10]; /* dword 1*/ - u8 eqid[8]; /* dword 1*/ - u8 stalled; /* dword 1*/ - u8 armed; /* dword 1*/ - u8 rsvd3[4]; /* dword 2*/ - u8 func[8]; /* dword 2*/ - u8 rsvd4[20]; /* dword 2*/ - u8 rsvd5[32]; /* dword 3*/ -} __packed; - -struct be_cmd_req_cq_create { - struct be_cmd_req_hdr hdr; - u16 num_pages; - u16 rsvd0; - u8 context[sizeof(struct amap_cq_context) / 8]; - struct phys_addr pages[8]; -} __packed; - -struct be_cmd_resp_cq_create { - struct be_cmd_resp_hdr hdr; - u16 cq_id; - u16 rsvd0; -} __packed; - -/******************** Create TxQ ***************************/ -#define BE_ETH_TX_RING_TYPE_STANDARD 2 -#define BE_ULP1_NUM 1 - -/* Pseudo amap definition in which each bit of the actual structure is defined - * as a byte: used to calculate offset/shift/mask of each field */ -struct amap_tx_context { - u8 rsvd0[16]; /* dword 0 */ - u8 tx_ring_size[4]; /* dword 0 */ - u8 rsvd1[26]; /* dword 0 */ - u8 pci_func_id[8]; /* dword 1 */ - u8 rsvd2[9]; /* dword 1 */ - u8 ctx_valid; /* dword 1 */ - u8 cq_id_send[16]; /* dword 2 */ - u8 rsvd3[16]; /* dword 2 */ - u8 rsvd4[32]; /* dword 3 */ - u8 rsvd5[32]; /* dword 4 */ - u8 rsvd6[32]; /* dword 5 */ - u8 rsvd7[32]; /* dword 6 */ - u8 rsvd8[32]; /* dword 7 */ - u8 rsvd9[32]; /* dword 8 */ - u8 rsvd10[32]; /* dword 9 */ - u8 rsvd11[32]; /* dword 10 */ - u8 rsvd12[32]; /* dword 11 */ - u8 rsvd13[32]; /* dword 12 */ - u8 rsvd14[32]; /* dword 13 */ - u8 rsvd15[32]; /* dword 14 */ - u8 rsvd16[32]; /* dword 15 */ -} __packed; - -struct be_cmd_req_eth_tx_create { - struct be_cmd_req_hdr hdr; - u8 num_pages; - u8 ulp_num; - u8 type; - u8 bound_port; - u8 context[sizeof(struct amap_tx_context) / 8]; - struct phys_addr pages[8]; -} __packed; - -struct be_cmd_resp_eth_tx_create { - struct be_cmd_resp_hdr hdr; - u16 cid; - u16 rsvd0; -} __packed; - -/******************** Create RxQ ***************************/ -struct be_cmd_req_eth_rx_create { - struct be_cmd_req_hdr hdr; - u16 cq_id; - u8 frag_size; - u8 num_pages; - struct phys_addr pages[2]; - u32 interface_id; - u16 max_frame_size; - u16 rsvd0; - u32 rss_queue; -} __packed; - -struct be_cmd_resp_eth_rx_create { - struct be_cmd_resp_hdr hdr; - u16 id; - u8 cpu_id; - u8 rsvd0; -} __packed; - -/******************** Q Destroy ***************************/ -/* Type of Queue to be destroyed */ -enum { - QTYPE_EQ = 1, - QTYPE_CQ, - QTYPE_TXQ, - QTYPE_RXQ -}; - -struct be_cmd_req_q_destroy { - struct be_cmd_req_hdr hdr; - u16 id; - u16 bypass_flush; /* valid only for rx q destroy */ -} __packed; - -/************ I/f Create (it's actually I/f Config Create)**********/ - -/* Capability flags for the i/f */ -enum be_if_flags { - BE_IF_FLAGS_RSS = 0x4, - BE_IF_FLAGS_PROMISCUOUS = 0x8, - BE_IF_FLAGS_BROADCAST = 0x10, - BE_IF_FLAGS_UNTAGGED = 0x20, - BE_IF_FLAGS_ULP = 0x40, - BE_IF_FLAGS_VLAN_PROMISCUOUS = 0x80, - BE_IF_FLAGS_VLAN = 0x100, - BE_IF_FLAGS_MCAST_PROMISCUOUS = 0x200, - BE_IF_FLAGS_PASS_L2_ERRORS = 0x400, - BE_IF_FLAGS_PASS_L3L4_ERRORS = 0x800 -}; - -/* An RX interface is an object with one or more MAC addresses and - * filtering capabilities. */ -struct be_cmd_req_if_create { - struct be_cmd_req_hdr hdr; - u32 version; /* ignore currntly */ - u32 capability_flags; - u32 enable_flags; - u8 mac_addr[ETH_ALEN]; - u8 rsvd0; - u8 pmac_invalid; /* if set, don't attach the mac addr to the i/f */ - u32 vlan_tag; /* not used currently */ -} __packed; - -struct be_cmd_resp_if_create { - struct be_cmd_resp_hdr hdr; - u32 interface_id; - u32 pmac_id; -}; - -/****** I/f Destroy(it's actually I/f Config Destroy )**********/ -struct be_cmd_req_if_destroy { - struct be_cmd_req_hdr hdr; - u32 interface_id; -}; - -/*************** HW Stats Get **********************************/ -struct be_port_rxf_stats { - u32 rx_bytes_lsd; /* dword 0*/ - u32 rx_bytes_msd; /* dword 1*/ - u32 rx_total_frames; /* dword 2*/ - u32 rx_unicast_frames; /* dword 3*/ - u32 rx_multicast_frames; /* dword 4*/ - u32 rx_broadcast_frames; /* dword 5*/ - u32 rx_crc_errors; /* dword 6*/ - u32 rx_alignment_symbol_errors; /* dword 7*/ - u32 rx_pause_frames; /* dword 8*/ - u32 rx_control_frames; /* dword 9*/ - u32 rx_in_range_errors; /* dword 10*/ - u32 rx_out_range_errors; /* dword 11*/ - u32 rx_frame_too_long; /* dword 12*/ - u32 rx_address_match_errors; /* dword 13*/ - u32 rx_vlan_mismatch; /* dword 14*/ - u32 rx_dropped_too_small; /* dword 15*/ - u32 rx_dropped_too_short; /* dword 16*/ - u32 rx_dropped_header_too_small; /* dword 17*/ - u32 rx_dropped_tcp_length; /* dword 18*/ - u32 rx_dropped_runt; /* dword 19*/ - u32 rx_64_byte_packets; /* dword 20*/ - u32 rx_65_127_byte_packets; /* dword 21*/ - u32 rx_128_256_byte_packets; /* dword 22*/ - u32 rx_256_511_byte_packets; /* dword 23*/ - u32 rx_512_1023_byte_packets; /* dword 24*/ - u32 rx_1024_1518_byte_packets; /* dword 25*/ - u32 rx_1519_2047_byte_packets; /* dword 26*/ - u32 rx_2048_4095_byte_packets; /* dword 27*/ - u32 rx_4096_8191_byte_packets; /* dword 28*/ - u32 rx_8192_9216_byte_packets; /* dword 29*/ - u32 rx_ip_checksum_errs; /* dword 30*/ - u32 rx_tcp_checksum_errs; /* dword 31*/ - u32 rx_udp_checksum_errs; /* dword 32*/ - u32 rx_non_rss_packets; /* dword 33*/ - u32 rx_ipv4_packets; /* dword 34*/ - u32 rx_ipv6_packets; /* dword 35*/ - u32 rx_ipv4_bytes_lsd; /* dword 36*/ - u32 rx_ipv4_bytes_msd; /* dword 37*/ - u32 rx_ipv6_bytes_lsd; /* dword 38*/ - u32 rx_ipv6_bytes_msd; /* dword 39*/ - u32 rx_chute1_packets; /* dword 40*/ - u32 rx_chute2_packets; /* dword 41*/ - u32 rx_chute3_packets; /* dword 42*/ - u32 rx_management_packets; /* dword 43*/ - u32 rx_switched_unicast_packets; /* dword 44*/ - u32 rx_switched_multicast_packets; /* dword 45*/ - u32 rx_switched_broadcast_packets; /* dword 46*/ - u32 tx_bytes_lsd; /* dword 47*/ - u32 tx_bytes_msd; /* dword 48*/ - u32 tx_unicastframes; /* dword 49*/ - u32 tx_multicastframes; /* dword 50*/ - u32 tx_broadcastframes; /* dword 51*/ - u32 tx_pauseframes; /* dword 52*/ - u32 tx_controlframes; /* dword 53*/ - u32 tx_64_byte_packets; /* dword 54*/ - u32 tx_65_127_byte_packets; /* dword 55*/ - u32 tx_128_256_byte_packets; /* dword 56*/ - u32 tx_256_511_byte_packets; /* dword 57*/ - u32 tx_512_1023_byte_packets; /* dword 58*/ - u32 tx_1024_1518_byte_packets; /* dword 59*/ - u32 tx_1519_2047_byte_packets; /* dword 60*/ - u32 tx_2048_4095_byte_packets; /* dword 61*/ - u32 tx_4096_8191_byte_packets; /* dword 62*/ - u32 tx_8192_9216_byte_packets; /* dword 63*/ - u32 rx_fifo_overflow; /* dword 64*/ - u32 rx_input_fifo_overflow; /* dword 65*/ -}; - -struct be_rxf_stats { - struct be_port_rxf_stats port[2]; - u32 rx_drops_no_pbuf; /* dword 132*/ - u32 rx_drops_no_txpb; /* dword 133*/ - u32 rx_drops_no_erx_descr; /* dword 134*/ - u32 rx_drops_no_tpre_descr; /* dword 135*/ - u32 management_rx_port_packets; /* dword 136*/ - u32 management_rx_port_bytes; /* dword 137*/ - u32 management_rx_port_pause_frames; /* dword 138*/ - u32 management_rx_port_errors; /* dword 139*/ - u32 management_tx_port_packets; /* dword 140*/ - u32 management_tx_port_bytes; /* dword 141*/ - u32 management_tx_port_pause; /* dword 142*/ - u32 management_rx_port_rxfifo_overflow; /* dword 143*/ - u32 rx_drops_too_many_frags; /* dword 144*/ - u32 rx_drops_invalid_ring; /* dword 145*/ - u32 forwarded_packets; /* dword 146*/ - u32 rx_drops_mtu; /* dword 147*/ - u32 rsvd0[15]; -}; - -struct be_erx_stats { - u32 rx_drops_no_fragments[44]; /* dwordS 0 to 43*/ - u32 debug_wdma_sent_hold; /* dword 44*/ - u32 debug_wdma_pbfree_sent_hold; /* dword 45*/ - u32 debug_wdma_zerobyte_pbfree_sent_hold; /* dword 46*/ - u32 debug_pmem_pbuf_dealloc; /* dword 47*/ -}; - -struct be_hw_stats { - struct be_rxf_stats rxf; - u32 rsvd[48]; - struct be_erx_stats erx; -}; - -struct be_cmd_req_get_stats { - struct be_cmd_req_hdr hdr; - u8 rsvd[sizeof(struct be_hw_stats)]; -}; - -struct be_cmd_resp_get_stats { - struct be_cmd_resp_hdr hdr; - struct be_hw_stats hw_stats; -}; - -struct be_cmd_req_vlan_config { - struct be_cmd_req_hdr hdr; - u8 interface_id; - u8 promiscuous; - u8 untagged; - u8 num_vlan; - u16 normal_vlan[64]; -} __packed; - -struct be_cmd_req_promiscuous_config { - struct be_cmd_req_hdr hdr; - u8 port0_promiscuous; - u8 port1_promiscuous; - u16 rsvd0; -} __packed; - -struct macaddr { - u8 byte[ETH_ALEN]; -}; - -struct be_cmd_req_mcast_mac_config { - struct be_cmd_req_hdr hdr; - u16 num_mac; - u8 promiscuous; - u8 interface_id; - struct macaddr mac[32]; -} __packed; - -static inline struct be_hw_stats * -hw_stats_from_cmd(struct be_cmd_resp_get_stats *cmd) -{ - return &cmd->hw_stats; -} - -/******************** Link Status Query *******************/ -struct be_cmd_req_link_status { - struct be_cmd_req_hdr hdr; - u32 rsvd; -}; - -struct be_link_info { - u8 duplex; - u8 speed; - u8 fault; -}; - -enum { - PHY_LINK_DUPLEX_NONE = 0x0, - PHY_LINK_DUPLEX_HALF = 0x1, - PHY_LINK_DUPLEX_FULL = 0x2 -}; - -enum { - PHY_LINK_SPEED_ZERO = 0x0, /* => No link */ - PHY_LINK_SPEED_10MBPS = 0x1, - PHY_LINK_SPEED_100MBPS = 0x2, - PHY_LINK_SPEED_1GBPS = 0x3, - PHY_LINK_SPEED_10GBPS = 0x4 -}; - -struct be_cmd_resp_link_status { - struct be_cmd_resp_hdr hdr; - u8 physical_port; - u8 mac_duplex; - u8 mac_speed; - u8 mac_fault; - u8 mgmt_mac_duplex; - u8 mgmt_mac_speed; - u16 rsvd0; -} __packed; - -/******************** Get FW Version *******************/ -#define FW_VER_LEN 32 -struct be_cmd_req_get_fw_version { - struct be_cmd_req_hdr hdr; - u8 rsvd0[FW_VER_LEN]; - u8 rsvd1[FW_VER_LEN]; -} __packed; - -struct be_cmd_resp_get_fw_version { - struct be_cmd_resp_hdr hdr; - u8 firmware_version_string[FW_VER_LEN]; - u8 fw_on_flash_version_string[FW_VER_LEN]; -} __packed; - -/******************** Set Flow Contrl *******************/ -struct be_cmd_req_set_flow_control { - struct be_cmd_req_hdr hdr; - u16 tx_flow_control; - u16 rx_flow_control; -} __packed; - -/******************** Get Flow Contrl *******************/ -struct be_cmd_req_get_flow_control { - struct be_cmd_req_hdr hdr; - u32 rsvd; -}; - -struct be_cmd_resp_get_flow_control { - struct be_cmd_resp_hdr hdr; - u16 tx_flow_control; - u16 rx_flow_control; -} __packed; - -/******************** Modify EQ Delay *******************/ -struct be_cmd_req_modify_eq_delay { - struct be_cmd_req_hdr hdr; - u32 num_eq; - struct { - u32 eq_id; - u32 phase; - u32 delay_multiplier; - } delay[8]; -} __packed; - -struct be_cmd_resp_modify_eq_delay { - struct be_cmd_resp_hdr hdr; - u32 rsvd0; -} __packed; - -/******************** Get FW Config *******************/ -struct be_cmd_req_query_fw_cfg { - struct be_cmd_req_hdr hdr; - u32 rsvd[30]; -}; - -struct be_cmd_resp_query_fw_cfg { - struct be_cmd_resp_hdr hdr; - u32 be_config_number; - u32 asic_revision; - u32 phys_port; - u32 function_mode; - u32 rsvd[26]; -}; - -extern int be_pci_fnum_get(struct be_ctrl_info *ctrl); -extern int be_cmd_POST(struct be_ctrl_info *ctrl); -extern int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr, - u8 type, bool permanent, u32 if_handle); -extern int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr, - u32 if_id, u32 *pmac_id); -extern int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id); -extern int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 if_flags, u8 *mac, - bool pmac_invalid, u32 *if_handle, u32 *pmac_id); -extern int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 if_handle); -extern int be_cmd_eq_create(struct be_ctrl_info *ctrl, - struct be_queue_info *eq, int eq_delay); -extern int be_cmd_cq_create(struct be_ctrl_info *ctrl, - struct be_queue_info *cq, struct be_queue_info *eq, - bool sol_evts, bool no_delay, - int num_cqe_dma_coalesce); -extern int be_cmd_txq_create(struct be_ctrl_info *ctrl, - struct be_queue_info *txq, - struct be_queue_info *cq); -extern int be_cmd_rxq_create(struct be_ctrl_info *ctrl, - struct be_queue_info *rxq, u16 cq_id, - u16 frag_size, u16 max_frame_size, u32 if_id, - u32 rss); -extern int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q, - int type); -extern int be_cmd_link_status_query(struct be_ctrl_info *ctrl, - struct be_link_info *link); -extern int be_cmd_reset(struct be_ctrl_info *ctrl); -extern int be_cmd_get_stats(struct be_ctrl_info *ctrl, - struct be_dma_mem *nonemb_cmd); -extern int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver); - -extern int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd); -extern int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id, - u16 *vtag_array, u32 num, bool untagged, - bool promiscuous); -extern int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl, - u8 port_num, bool en); -extern int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id, - u8 *mac_table, u32 num, bool promiscuous); -extern int be_cmd_set_flow_control(struct be_ctrl_info *ctrl, - u32 tx_fc, u32 rx_fc); -extern int be_cmd_get_flow_control(struct be_ctrl_info *ctrl, - u32 *tx_fc, u32 *rx_fc); -extern int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num); diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c deleted file mode 100644 index 9592f22e4c8..00000000000 --- a/drivers/net/benet/be_ethtool.c +++ /dev/null @@ -1,362 +0,0 @@ -/* - * Copyright (C) 2005 - 2009 ServerEngines - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. The full GNU General - * Public License is included in this distribution in the file called COPYING. - * - * Contact Information: - * linux-drivers@serverengines.com - * - * ServerEngines - * 209 N. Fair Oaks Ave - * Sunnyvale, CA 94085 - */ - -#include "be.h" -#include <linux/ethtool.h> - -struct be_ethtool_stat { - char desc[ETH_GSTRING_LEN]; - int type; - int size; - int offset; -}; - -enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT, ERXSTAT}; -#define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \ - offsetof(_struct, field) -#define NETSTAT_INFO(field) #field, NETSTAT,\ - FIELDINFO(struct net_device_stats,\ - field) -#define DRVSTAT_INFO(field) #field, DRVSTAT,\ - FIELDINFO(struct be_drvr_stats, field) -#define MISCSTAT_INFO(field) #field, MISCSTAT,\ - FIELDINFO(struct be_rxf_stats, field) -#define PORTSTAT_INFO(field) #field, PORTSTAT,\ - FIELDINFO(struct be_port_rxf_stats, \ - field) -#define ERXSTAT_INFO(field) #field, ERXSTAT,\ - FIELDINFO(struct be_erx_stats, field) - -static const struct be_ethtool_stat et_stats[] = { - {NETSTAT_INFO(rx_packets)}, - {NETSTAT_INFO(tx_packets)}, - {NETSTAT_INFO(rx_bytes)}, - {NETSTAT_INFO(tx_bytes)}, - {NETSTAT_INFO(rx_errors)}, - {NETSTAT_INFO(tx_errors)}, - {NETSTAT_INFO(rx_dropped)}, - {NETSTAT_INFO(tx_dropped)}, - {DRVSTAT_INFO(be_tx_reqs)}, - {DRVSTAT_INFO(be_tx_stops)}, - {DRVSTAT_INFO(be_fwd_reqs)}, - {DRVSTAT_INFO(be_tx_wrbs)}, - {DRVSTAT_INFO(be_polls)}, - {DRVSTAT_INFO(be_tx_events)}, - {DRVSTAT_INFO(be_rx_events)}, - {DRVSTAT_INFO(be_tx_compl)}, - {DRVSTAT_INFO(be_rx_compl)}, - {DRVSTAT_INFO(be_ethrx_post_fail)}, - {DRVSTAT_INFO(be_802_3_dropped_frames)}, - {DRVSTAT_INFO(be_802_3_malformed_frames)}, - {DRVSTAT_INFO(be_tx_rate)}, - {DRVSTAT_INFO(be_rx_rate)}, - {PORTSTAT_INFO(rx_unicast_frames)}, - {PORTSTAT_INFO(rx_multicast_frames)}, - {PORTSTAT_INFO(rx_broadcast_frames)}, - {PORTSTAT_INFO(rx_crc_errors)}, - {PORTSTAT_INFO(rx_alignment_symbol_errors)}, - {PORTSTAT_INFO(rx_pause_frames)}, - {PORTSTAT_INFO(rx_control_frames)}, - {PORTSTAT_INFO(rx_in_range_errors)}, - {PORTSTAT_INFO(rx_out_range_errors)}, - {PORTSTAT_INFO(rx_frame_too_long)}, - {PORTSTAT_INFO(rx_address_match_errors)}, - {PORTSTAT_INFO(rx_vlan_mismatch)}, - {PORTSTAT_INFO(rx_dropped_too_small)}, - {PORTSTAT_INFO(rx_dropped_too_short)}, - {PORTSTAT_INFO(rx_dropped_header_too_small)}, - {PORTSTAT_INFO(rx_dropped_tcp_length)}, - {PORTSTAT_INFO(rx_dropped_runt)}, - {PORTSTAT_INFO(rx_fifo_overflow)}, - {PORTSTAT_INFO(rx_input_fifo_overflow)}, - {PORTSTAT_INFO(rx_ip_checksum_errs)}, - {PORTSTAT_INFO(rx_tcp_checksum_errs)}, - {PORTSTAT_INFO(rx_udp_checksum_errs)}, - {PORTSTAT_INFO(rx_non_rss_packets)}, - {PORTSTAT_INFO(rx_ipv4_packets)}, - {PORTSTAT_INFO(rx_ipv6_packets)}, - {PORTSTAT_INFO(tx_unicastframes)}, - {PORTSTAT_INFO(tx_multicastframes)}, - {PORTSTAT_INFO(tx_broadcastframes)}, - {PORTSTAT_INFO(tx_pauseframes)}, - {PORTSTAT_INFO(tx_controlframes)}, - {MISCSTAT_INFO(rx_drops_no_pbuf)}, - {MISCSTAT_INFO(rx_drops_no_txpb)}, - {MISCSTAT_INFO(rx_drops_no_erx_descr)}, - {MISCSTAT_INFO(rx_drops_no_tpre_descr)}, - {MISCSTAT_INFO(rx_drops_too_many_frags)}, - {MISCSTAT_INFO(rx_drops_invalid_ring)}, - {MISCSTAT_INFO(forwarded_packets)}, - {MISCSTAT_INFO(rx_drops_mtu)}, - {ERXSTAT_INFO(rx_drops_no_fragments)}, -}; -#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats) - -static void -be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) -{ - struct be_adapter *adapter = netdev_priv(netdev); - - strcpy(drvinfo->driver, DRV_NAME); - strcpy(drvinfo->version, DRV_VER); - strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN); - strcpy(drvinfo->bus_info, pci_name(adapter->pdev)); - drvinfo->testinfo_len = 0; - drvinfo->regdump_len = 0; - drvinfo->eedump_len = 0; -} - -static int -be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) -{ - struct be_adapter *adapter = netdev_priv(netdev); - struct be_eq_obj *rx_eq = &adapter->rx_eq; - struct be_eq_obj *tx_eq = &adapter->tx_eq; - - coalesce->rx_max_coalesced_frames = adapter->max_rx_coal; - - coalesce->rx_coalesce_usecs = rx_eq->cur_eqd; - coalesce->rx_coalesce_usecs_high = rx_eq->max_eqd; - coalesce->rx_coalesce_usecs_low = rx_eq->min_eqd; - - coalesce->tx_coalesce_usecs = tx_eq->cur_eqd; - coalesce->tx_coalesce_usecs_high = tx_eq->max_eqd; - coalesce->tx_coalesce_usecs_low = tx_eq->min_eqd; - - coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic; - coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic; - - return 0; -} - -/* - * This routine is used to set interrup coalescing delay *as well as* - * the number of pkts to coalesce for LRO. - */ -static int -be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) -{ - struct be_adapter *adapter = netdev_priv(netdev); - struct be_ctrl_info *ctrl = &adapter->ctrl; - struct be_eq_obj *rx_eq = &adapter->rx_eq; - struct be_eq_obj *tx_eq = &adapter->tx_eq; - u32 tx_max, tx_min, tx_cur; - u32 rx_max, rx_min, rx_cur; - int status = 0; - - if (coalesce->use_adaptive_tx_coalesce == 1) - return -EINVAL; - - adapter->max_rx_coal = coalesce->rx_max_coalesced_frames; - if (adapter->max_rx_coal > MAX_SKB_FRAGS) - adapter->max_rx_coal = MAX_SKB_FRAGS - 1; - - /* if AIC is being turned on now, start with an EQD of 0 */ - if (rx_eq->enable_aic == 0 && - coalesce->use_adaptive_rx_coalesce == 1) { - rx_eq->cur_eqd = 0; - } - rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce; - - rx_max = coalesce->rx_coalesce_usecs_high; - rx_min = coalesce->rx_coalesce_usecs_low; - rx_cur = coalesce->rx_coalesce_usecs; - - tx_max = coalesce->tx_coalesce_usecs_high; - tx_min = coalesce->tx_coalesce_usecs_low; - tx_cur = coalesce->tx_coalesce_usecs; - - if (tx_cur > BE_MAX_EQD) - tx_cur = BE_MAX_EQD; - if (tx_eq->cur_eqd != tx_cur) { - status = be_cmd_modify_eqd(ctrl, tx_eq->q.id, tx_cur); - if (!status) - tx_eq->cur_eqd = tx_cur; - } - - if (rx_eq->enable_aic) { - if (rx_max > BE_MAX_EQD) - rx_max = BE_MAX_EQD; - if (rx_min > rx_max) - rx_min = rx_max; - rx_eq->max_eqd = rx_max; - rx_eq->min_eqd = rx_min; - if (rx_eq->cur_eqd > rx_max) - rx_eq->cur_eqd = rx_max; - if (rx_eq->cur_eqd < rx_min) - rx_eq->cur_eqd = rx_min; - } else { - if (rx_cur > BE_MAX_EQD) - rx_cur = BE_MAX_EQD; - if (rx_eq->cur_eqd != rx_cur) { - status = be_cmd_modify_eqd(ctrl, rx_eq->q.id, rx_cur); - if (!status) - rx_eq->cur_eqd = rx_cur; - } - } - return 0; -} - -static u32 be_get_rx_csum(struct net_device *netdev) -{ - struct be_adapter *adapter = netdev_priv(netdev); - - return adapter->rx_csum; -} - -static int be_set_rx_csum(struct net_device *netdev, uint32_t data) -{ - struct be_adapter *adapter = netdev_priv(netdev); - - if (data) - adapter->rx_csum = true; - else - adapter->rx_csum = false; - - return 0; -} - -static void -be_get_ethtool_stats(struct net_device *netdev, - struct ethtool_stats *stats, uint64_t *data) -{ - struct be_adapter *adapter = netdev_priv(netdev); - struct be_drvr_stats *drvr_stats = &adapter->stats.drvr_stats; - struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va); - struct be_rxf_stats *rxf_stats = &hw_stats->rxf; - struct be_port_rxf_stats *port_stats = - &rxf_stats->port[adapter->port_num]; - struct net_device_stats *net_stats = &adapter->stats.net_stats; - struct be_erx_stats *erx_stats = &hw_stats->erx; - void *p = NULL; - int i; - - for (i = 0; i < ETHTOOL_STATS_NUM; i++) { - switch (et_stats[i].type) { - case NETSTAT: - p = net_stats; - break; - case DRVSTAT: - p = drvr_stats; - break; - case PORTSTAT: - p = port_stats; - break; - case MISCSTAT: - p = rxf_stats; - break; - case ERXSTAT: /* Currently only one ERX stat is provided */ - p = (u32 *)erx_stats + adapter->rx_obj.q.id; - break; - } - - p = (u8 *)p + et_stats[i].offset; - data[i] = (et_stats[i].size == sizeof(u64)) ? - *(u64 *)p: *(u32 *)p; - } - - return; -} - -static void -be_get_stat_strings(struct net_device *netdev, uint32_t stringset, - uint8_t *data) -{ - int i; - switch (stringset) { - case ETH_SS_STATS: - for (i = 0; i < ETHTOOL_STATS_NUM; i++) { - memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN); - data += ETH_GSTRING_LEN; - } - break; - } -} - -static int be_get_stats_count(struct net_device *netdev) -{ - return ETHTOOL_STATS_NUM; -} - -static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) -{ - ecmd->speed = SPEED_10000; - ecmd->duplex = DUPLEX_FULL; - ecmd->autoneg = AUTONEG_DISABLE; - return 0; -} - -static void -be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) -{ - struct be_adapter *adapter = netdev_priv(netdev); - - ring->rx_max_pending = adapter->rx_obj.q.len; - ring->tx_max_pending = adapter->tx_obj.q.len; - - ring->rx_pending = atomic_read(&adapter->rx_obj.q.used); - ring->tx_pending = atomic_read(&adapter->tx_obj.q.used); -} - -static void -be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) -{ - struct be_adapter *adapter = netdev_priv(netdev); - - be_cmd_get_flow_control(&adapter->ctrl, &ecmd->tx_pause, - &ecmd->rx_pause); - ecmd->autoneg = 0; -} - -static int -be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) -{ - struct be_adapter *adapter = netdev_priv(netdev); - int status; - - if (ecmd->autoneg != 0) - return -EINVAL; - - status = be_cmd_set_flow_control(&adapter->ctrl, ecmd->tx_pause, - ecmd->rx_pause); - if (!status) - dev_warn(&adapter->pdev->dev, "Pause param set failed.\n"); - - return status; -} - -struct ethtool_ops be_ethtool_ops = { - .get_settings = be_get_settings, - .get_drvinfo = be_get_drvinfo, - .get_link = ethtool_op_get_link, - .get_coalesce = be_get_coalesce, - .set_coalesce = be_set_coalesce, - .get_ringparam = be_get_ringparam, - .get_pauseparam = be_get_pauseparam, - .set_pauseparam = be_set_pauseparam, - .get_rx_csum = be_get_rx_csum, - .set_rx_csum = be_set_rx_csum, - .get_tx_csum = ethtool_op_get_tx_csum, - .set_tx_csum = ethtool_op_set_tx_csum, - .get_sg = ethtool_op_get_sg, - .set_sg = ethtool_op_set_sg, - .get_tso = ethtool_op_get_tso, - .set_tso = ethtool_op_set_tso, - .get_strings = be_get_stat_strings, - .get_stats_count = be_get_stats_count, - .get_ethtool_stats = be_get_ethtool_stats, -}; diff --git a/drivers/net/benet/be_hw.h b/drivers/net/benet/be_hw.h deleted file mode 100644 index b132aa4893c..00000000000 --- a/drivers/net/benet/be_hw.h +++ /dev/null @@ -1,211 +0,0 @@ -/* - * Copyright (C) 2005 - 2009 ServerEngines - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. The full GNU General - * Public License is included in this distribution in the file called COPYING. - * - * Contact Information: - * linux-drivers@serverengines.com - * - * ServerEngines - * 209 N. Fair Oaks Ave - * Sunnyvale, CA 94085 - */ - -/********* Mailbox door bell *************/ -/* Used for driver communication with the FW. - * The software must write this register twice to post any command. First, - * it writes the register with hi=1 and the upper bits of the physical address - * for the MAILBOX structure. Software must poll the ready bit until this - * is acknowledged. Then, sotware writes the register with hi=0 with the lower - * bits in the address. It must poll the ready bit until the command is - * complete. Upon completion, the MAILBOX will contain a valid completion - * queue entry. - */ -#define MPU_MAILBOX_DB_OFFSET 0x160 -#define MPU_MAILBOX_DB_RDY_MASK 0x1 /* bit 0 */ -#define MPU_MAILBOX_DB_HI_MASK 0x2 /* bit 1 */ - -#define MPU_EP_CONTROL 0 - -/********** MPU semphore ******************/ -#define MPU_EP_SEMAPHORE_OFFSET 0xac -#define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF -#define EP_SEMAPHORE_POST_ERR_MASK 0x1 -#define EP_SEMAPHORE_POST_ERR_SHIFT 31 -/* MPU semphore POST stage values */ -#define POST_STAGE_AWAITING_HOST_RDY 0x1 /* FW awaiting goahead from host */ -#define POST_STAGE_HOST_RDY 0x2 /* Host has given go-ahed to FW */ -#define POST_STAGE_BE_RESET 0x3 /* Host wants to reset chip */ -#define POST_STAGE_ARMFW_RDY 0xc000 /* FW is done with POST */ - -/********* Memory BAR register ************/ -#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc -/* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt - * Disable" may still globally block interrupts in addition to individual - * interrupt masks; a mechanism for the device driver to block all interrupts - * atomically without having to arbitrate for the PCI Interrupt Disable bit - * with the OS. - */ -#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29) /* bit 29 */ -/* PCI physical function number */ -#define MEMBAR_CTRL_INT_CTRL_PFUNC_MASK 0x7 /* bits 26 - 28 */ -#define MEMBAR_CTRL_INT_CTRL_PFUNC_SHIFT 26 - -/********* Event Q door bell *************/ -#define DB_EQ_OFFSET DB_CQ_OFFSET -#define DB_EQ_RING_ID_MASK 0x1FF /* bits 0 - 8 */ -/* Clear the interrupt for this eq */ -#define DB_EQ_CLR_SHIFT (9) /* bit 9 */ -/* Must be 1 */ -#define DB_EQ_EVNT_SHIFT (10) /* bit 10 */ -/* Number of event entries processed */ -#define DB_EQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */ -/* Rearm bit */ -#define DB_EQ_REARM_SHIFT (29) /* bit 29 */ - -/********* Compl Q door bell *************/ -#define DB_CQ_OFFSET 0x120 -#define DB_CQ_RING_ID_MASK 0x3FF /* bits 0 - 9 */ -/* Number of event entries processed */ -#define DB_CQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */ -/* Rearm bit */ -#define DB_CQ_REARM_SHIFT (29) /* bit 29 */ - -/********** TX ULP door bell *************/ -#define DB_TXULP1_OFFSET 0x60 -#define DB_TXULP_RING_ID_MASK 0x7FF /* bits 0 - 10 */ -/* Number of tx entries posted */ -#define DB_TXULP_NUM_POSTED_SHIFT (16) /* bits 16 - 29 */ -#define DB_TXULP_NUM_POSTED_MASK 0x3FFF /* bits 16 - 29 */ - -/********** RQ(erx) door bell ************/ -#define DB_RQ_OFFSET 0x100 -#define DB_RQ_RING_ID_MASK 0x3FF /* bits 0 - 9 */ -/* Number of rx frags posted */ -#define DB_RQ_NUM_POSTED_SHIFT (24) /* bits 24 - 31 */ - -/* - * BE descriptors: host memory data structures whose formats - * are hardwired in BE silicon. - */ -/* Event Queue Descriptor */ -#define EQ_ENTRY_VALID_MASK 0x1 /* bit 0 */ -#define EQ_ENTRY_RES_ID_MASK 0xFFFF /* bits 16 - 31 */ -#define EQ_ENTRY_RES_ID_SHIFT 16 -struct be_eq_entry { - u32 evt; -}; - -/* TX Queue Descriptor */ -#define ETH_WRB_FRAG_LEN_MASK 0xFFFF -struct be_eth_wrb { - u32 frag_pa_hi; /* dword 0 */ - u32 frag_pa_lo; /* dword 1 */ - u32 rsvd0; /* dword 2 */ - u32 frag_len; /* dword 3: bits 0 - 15 */ -} __packed; - -/* Pseudo amap definition for eth_hdr_wrb in which each bit of the - * actual structure is defined as a byte : used to calculate - * offset/shift/mask of each field */ -struct amap_eth_hdr_wrb { - u8 rsvd0[32]; /* dword 0 */ - u8 rsvd1[32]; /* dword 1 */ - u8 complete; /* dword 2 */ - u8 event; - u8 crc; - u8 forward; - u8 ipsec; - u8 mgmt; - u8 ipcs; - u8 udpcs; - u8 tcpcs; - u8 lso; - u8 vlan; - u8 gso[2]; - u8 num_wrb[5]; - u8 lso_mss[14]; - u8 len[16]; /* dword 3 */ - u8 vlan_tag[16]; -} __packed; - -struct be_eth_hdr_wrb { - u32 dw[4]; -}; - -/* TX Compl Queue Descriptor */ - -/* Pseudo amap definition for eth_tx_compl in which each bit of the - * actual structure is defined as a byte: used to calculate - * offset/shift/mask of each field */ -struct amap_eth_tx_compl { - u8 wrb_index[16]; /* dword 0 */ - u8 ct[2]; /* dword 0 */ - u8 port[2]; /* dword 0 */ - u8 rsvd0[8]; /* dword 0 */ - u8 status[4]; /* dword 0 */ - u8 user_bytes[16]; /* dword 1 */ - u8 nwh_bytes[8]; /* dword 1 */ - u8 lso; /* dword 1 */ - u8 cast_enc[2]; /* dword 1 */ - u8 rsvd1[5]; /* dword 1 */ - u8 rsvd2[32]; /* dword 2 */ - u8 pkts[16]; /* dword 3 */ - u8 ringid[11]; /* dword 3 */ - u8 hash_val[4]; /* dword 3 */ - u8 valid; /* dword 3 */ -} __packed; - -struct be_eth_tx_compl { - u32 dw[4]; -}; - -/* RX Queue Descriptor */ -struct be_eth_rx_d { - u32 fragpa_hi; - u32 fragpa_lo; -}; - -/* RX Compl Queue Descriptor */ - -/* Pseudo amap definition for eth_rx_compl in which each bit of the - * actual structure is defined as a byte: used to calculate - * offset/shift/mask of each field */ -struct amap_eth_rx_compl { - u8 vlan_tag[16]; /* dword 0 */ - u8 pktsize[14]; /* dword 0 */ - u8 port; /* dword 0 */ - u8 ip_opt; /* dword 0 */ - u8 err; /* dword 1 */ - u8 rsshp; /* dword 1 */ - u8 ipf; /* dword 1 */ - u8 tcpf; /* dword 1 */ - u8 udpf; /* dword 1 */ - u8 ipcksm; /* dword 1 */ - u8 l4_cksm; /* dword 1 */ - u8 ip_version; /* dword 1 */ - u8 macdst[6]; /* dword 1 */ - u8 vtp; /* dword 1 */ - u8 rsvd0; /* dword 1 */ - u8 fragndx[10]; /* dword 1 */ - u8 ct[2]; /* dword 1 */ - u8 sw; /* dword 1 */ - u8 numfrags[3]; /* dword 1 */ - u8 rss_flush; /* dword 2 */ - u8 cast_enc[2]; /* dword 2 */ - u8 qnq; /* dword 2 */ - u8 rss_bank; /* dword 2 */ - u8 rsvd1[23]; /* dword 2 */ - u8 lro_pkt; /* dword 2 */ - u8 rsvd2[2]; /* dword 2 */ - u8 valid; /* dword 2 */ - u8 rsshash[32]; /* dword 3 */ -} __packed; - -struct be_eth_rx_compl { - u32 dw[4]; -}; diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c deleted file mode 100644 index 5c378b5e8e4..00000000000 --- a/drivers/net/benet/be_main.c +++ /dev/null @@ -1,1955 +0,0 @@ -/* - * Copyright (C) 2005 - 2009 ServerEngines - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. The full GNU General - * Public License is included in this distribution in the file called COPYING. - * - * Contact Information: - * linux-drivers@serverengines.com - * - * ServerEngines - * 209 N. Fair Oaks Ave - * Sunnyvale, CA 94085 - */ - -#include "be.h" -#include <asm/div64.h> - -MODULE_VERSION(DRV_VER); -MODULE_DEVICE_TABLE(pci, be_dev_ids); -MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); -MODULE_AUTHOR("ServerEngines Corporation"); -MODULE_LICENSE("GPL"); - -static unsigned int rx_frag_size = 2048; -module_param(rx_frag_size, uint, S_IRUGO); -MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); - -static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { - { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, - { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, - { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, be_dev_ids); - -static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) -{ - struct be_dma_mem *mem = &q->dma_mem; - if (mem->va) - pci_free_consistent(adapter->pdev, mem->size, - mem->va, mem->dma); -} - -static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, - u16 len, u16 entry_size) -{ - struct be_dma_mem *mem = &q->dma_mem; - - memset(q, 0, sizeof(*q)); - q->len = len; - q->entry_size = entry_size; - mem->size = len * entry_size; - mem->va = pci_alloc_consistent(adapter->pdev, mem->size, &mem->dma); - if (!mem->va) - return -1; - memset(mem->va, 0, mem->size); - return 0; -} - -static inline void *queue_head_node(struct be_queue_info *q) -{ - return q->dma_mem.va + q->head * q->entry_size; -} - -static inline void *queue_tail_node(struct be_queue_info *q) -{ - return q->dma_mem.va + q->tail * q->entry_size; -} - -static inline void queue_head_inc(struct be_queue_info *q) -{ - index_inc(&q->head, q->len); -} - -static inline void queue_tail_inc(struct be_queue_info *q) -{ - index_inc(&q->tail, q->len); -} - -static void be_intr_set(struct be_ctrl_info *ctrl, bool enable) -{ - u8 __iomem *addr = ctrl->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET; - u32 reg = ioread32(addr); - u32 enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; - if (!enabled && enable) { - reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; - } else if (enabled && !enable) { - reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; - } else { - printk(KERN_WARNING DRV_NAME - ": bad value in membar_int_ctrl reg=0x%x\n", reg); - return; - } - iowrite32(reg, addr); -} - -static void be_rxq_notify(struct be_ctrl_info *ctrl, u16 qid, u16 posted) -{ - u32 val = 0; - val |= qid & DB_RQ_RING_ID_MASK; - val |= posted << DB_RQ_NUM_POSTED_SHIFT; - iowrite32(val, ctrl->db + DB_RQ_OFFSET); -} - -static void be_txq_notify(struct be_ctrl_info *ctrl, u16 qid, u16 posted) -{ - u32 val = 0; - val |= qid & DB_TXULP_RING_ID_MASK; - val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; - iowrite32(val, ctrl->db + DB_TXULP1_OFFSET); -} - -static void be_eq_notify(struct be_ctrl_info *ctrl, u16 qid, - bool arm, bool clear_int, u16 num_popped) -{ - u32 val = 0; - val |= qid & DB_EQ_RING_ID_MASK; - if (arm) - val |= 1 << DB_EQ_REARM_SHIFT; - if (clear_int) - val |= 1 << DB_EQ_CLR_SHIFT; - val |= 1 << DB_EQ_EVNT_SHIFT; - val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; - iowrite32(val, ctrl->db + DB_EQ_OFFSET); -} - -static void be_cq_notify(struct be_ctrl_info *ctrl, u16 qid, - bool arm, u16 num_popped) -{ - u32 val = 0; - val |= qid & DB_CQ_RING_ID_MASK; - if (arm) - val |= 1 << DB_CQ_REARM_SHIFT; - val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; - iowrite32(val, ctrl->db + DB_CQ_OFFSET); -} - - -static int be_mac_addr_set(struct net_device *netdev, void *p) -{ - struct be_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; - int status = 0; - - if (netif_running(netdev)) { - status = be_cmd_pmac_del(&adapter->ctrl, adapter->if_handle, - adapter->pmac_id); - if (status) - return status; - - status = be_cmd_pmac_add(&adapter->ctrl, (u8 *)addr->sa_data, - adapter->if_handle, &adapter->pmac_id); - } - - if (!status) - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - - return status; -} - -static void netdev_stats_update(struct be_adapter *adapter) -{ - struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va); - struct be_rxf_stats *rxf_stats = &hw_stats->rxf; - struct be_port_rxf_stats *port_stats = - &rxf_stats->port[adapter->port_num]; - struct net_device_stats *dev_stats = &adapter->stats.net_stats; - - dev_stats->rx_packets = port_stats->rx_total_frames; - dev_stats->tx_packets = port_stats->tx_unicastframes + - port_stats->tx_multicastframes + port_stats->tx_broadcastframes; - dev_stats->rx_bytes = (u64) port_stats->rx_bytes_msd << 32 | - (u64) port_stats->rx_bytes_lsd; - dev_stats->tx_bytes = (u64) port_stats->tx_bytes_msd << 32 | - (u64) port_stats->tx_bytes_lsd; - - /* bad pkts received */ - dev_stats->rx_errors = port_stats->rx_crc_errors + - port_stats->rx_alignment_symbol_errors + - port_stats->rx_in_range_errors + - port_stats->rx_out_range_errors + port_stats->rx_frame_too_long; - - /* packet transmit problems */ - dev_stats->tx_errors = 0; - - /* no space in linux buffers */ - dev_stats->rx_dropped = 0; - - /* no space available in linux */ - dev_stats->tx_dropped = 0; - - dev_stats->multicast = port_stats->tx_multicastframes; - dev_stats->collisions = 0; - - /* detailed rx errors */ - dev_stats->rx_length_errors = port_stats->rx_in_range_errors + - port_stats->rx_out_range_errors + port_stats->rx_frame_too_long; - /* receive ring buffer overflow */ - dev_stats->rx_over_errors = 0; - dev_stats->rx_crc_errors = port_stats->rx_crc_errors; - - /* frame alignment errors */ - dev_stats->rx_frame_errors = port_stats->rx_alignment_symbol_errors; - /* receiver fifo overrun */ - /* drops_no_pbuf is no per i/f, it's per BE card */ - dev_stats->rx_fifo_errors = port_stats->rx_fifo_overflow + - port_stats->rx_input_fifo_overflow + - rxf_stats->rx_drops_no_pbuf; - /* receiver missed packetd */ - dev_stats->rx_missed_errors = 0; - /* detailed tx_errors */ - dev_stats->tx_aborted_errors = 0; - dev_stats->tx_carrier_errors = 0; - dev_stats->tx_fifo_errors = 0; - dev_stats->tx_heartbeat_errors = 0; - dev_stats->tx_window_errors = 0; -} - -static void be_link_status_update(struct be_adapter *adapter) -{ - struct be_link_info *prev = &adapter->link; - struct be_link_info now = { 0 }; - struct net_device *netdev = adapter->netdev; - - be_cmd_link_status_query(&adapter->ctrl, &now); - - /* If link came up or went down */ - if (now.speed != prev->speed && (now.speed == PHY_LINK_SPEED_ZERO || - prev->speed == PHY_LINK_SPEED_ZERO)) { - if (now.speed == PHY_LINK_SPEED_ZERO) { - netif_stop_queue(netdev); - netif_carrier_off(netdev); - printk(KERN_INFO "%s: Link down\n", netdev->name); - } else { - netif_start_queue(netdev); - netif_carrier_on(netdev); - printk(KERN_INFO "%s: Link up\n", netdev->name); - } - } - *prev = now; -} - -/* Update the EQ delay n BE based on the RX frags consumed / sec */ -static void be_rx_eqd_update(struct be_adapter *adapter) -{ - struct be_ctrl_info *ctrl = &adapter->ctrl; - struct be_eq_obj *rx_eq = &adapter->rx_eq; - struct be_drvr_stats *stats = &adapter->stats.drvr_stats; - ulong now = jiffies; - u32 eqd; - - if (!rx_eq->enable_aic) - return; - - /* Wrapped around */ - if (time_before(now, stats->rx_fps_jiffies)) { - stats->rx_fps_jiffies = now; - return; - } - - /* Update once a second */ - if ((now - stats->rx_fps_jiffies) < HZ) - return; - - stats->be_rx_fps = (stats->be_rx_frags - stats->be_prev_rx_frags) / - ((now - stats->rx_fps_jiffies) / HZ); - - stats->rx_fps_jiffies = now; - stats->be_prev_rx_frags = stats->be_rx_frags; - eqd = stats->be_rx_fps / 110000; - eqd = eqd << 3; - if (eqd > rx_eq->max_eqd) - eqd = rx_eq->max_eqd; - if (eqd < rx_eq->min_eqd) - eqd = rx_eq->min_eqd; - if (eqd < 10) - eqd = 0; - if (eqd != rx_eq->cur_eqd) - be_cmd_modify_eqd(ctrl, rx_eq->q.id, eqd); - - rx_eq->cur_eqd = eqd; -} - -static struct net_device_stats *be_get_stats(struct net_device *dev) -{ - struct be_adapter *adapter = netdev_priv(dev); - - return &adapter->stats.net_stats; -} - -static u32 be_calc_rate(u64 bytes, unsigned long ticks) -{ - u64 rate = bytes; - - do_div(rate, ticks / HZ); - rate <<= 3; /* bytes/sec -> bits/sec */ - do_div(rate, 1000000ul); /* MB/Sec */ - - return rate; -} - -static void be_tx_rate_update(struct be_adapter *adapter) -{ - struct be_drvr_stats *stats = drvr_stats(adapter); - ulong now = jiffies; - - /* Wrapped around? */ - if (time_before(now, stats->be_tx_jiffies)) { - stats->be_tx_jiffies = now; - return; - } - - /* Update tx rate once in two seconds */ - if ((now - stats->be_tx_jiffies) > 2 * HZ) { - stats->be_tx_rate = be_calc_rate(stats->be_tx_bytes - - stats->be_tx_bytes_prev, - now - stats->be_tx_jiffies); - stats->be_tx_jiffies = now; - stats->be_tx_bytes_prev = stats->be_tx_bytes; - } -} - -static void be_tx_stats_update(struct be_adapter *adapter, - u32 wrb_cnt, u32 copied, bool stopped) -{ - struct be_drvr_stats *stats = drvr_stats(adapter); - stats->be_tx_reqs++; - stats->be_tx_wrbs += wrb_cnt; - stats->be_tx_bytes += copied; - if (stopped) - stats->be_tx_stops++; -} - -/* Determine number of WRB entries needed to xmit data in an skb */ -static u32 wrb_cnt_for_skb(struct sk_buff *skb, bool *dummy) -{ - int cnt = 0; - while (skb) { - if (skb->len > skb->data_len) - cnt++; - cnt += skb_shinfo(skb)->nr_frags; - skb = skb_shinfo(skb)->frag_list; - } - /* to account for hdr wrb */ - cnt++; - if (cnt & 1) { - /* add a dummy to make it an even num */ - cnt++; - *dummy = true; - } else - *dummy = false; - BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); - return cnt; -} - -static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) -{ - wrb->frag_pa_hi = upper_32_bits(addr); - wrb->frag_pa_lo = addr & 0xFFFFFFFF; - wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; -} - -static void wrb_fill_hdr(struct be_eth_hdr_wrb *hdr, struct sk_buff *skb, - bool vlan, u32 wrb_cnt, u32 len) -{ - memset(hdr, 0, sizeof(*hdr)); - - AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); - - if (skb_shinfo(skb)->gso_segs > 1 && skb_shinfo(skb)->gso_size) { - AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); - AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, - hdr, skb_shinfo(skb)->gso_size); - } else if (skb->ip_summed == CHECKSUM_PARTIAL) { - if (is_tcp_pkt(skb)) - AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); - else if (is_udp_pkt(skb)) - AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); - } - - if (vlan && vlan_tx_tag_present(skb)) { - AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); - AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, - hdr, vlan_tx_tag_get(skb)); - } - - AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); - AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1); - AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); - AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); -} - - -static int make_tx_wrbs(struct be_adapter *adapter, - struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb) -{ - u64 busaddr; - u32 i, copied = 0; - struct pci_dev *pdev = adapter->pdev; - struct sk_buff *first_skb = skb; - struct be_queue_info *txq = &adapter->tx_obj.q; - struct be_eth_wrb *wrb; - struct be_eth_hdr_wrb *hdr; - - atomic_add(wrb_cnt, &txq->used); - hdr = queue_head_node(txq); - queue_head_inc(txq); - - while (skb) { - if (skb->len > skb->data_len) { - int len = skb->len - skb->data_len; - busaddr = pci_map_single(pdev, skb->data, len, - PCI_DMA_TODEVICE); - wrb = queue_head_node(txq); - wrb_fill(wrb, busaddr, len); - be_dws_cpu_to_le(wrb, sizeof(*wrb)); - queue_head_inc(txq); - copied += len; - } - - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - struct skb_frag_struct *frag = - &skb_shinfo(skb)->frags[i]; - busaddr = pci_map_page(pdev, frag->page, - frag->page_offset, - frag->size, PCI_DMA_TODEVICE); - wrb = queue_head_node(txq); - wrb_fill(wrb, busaddr, frag->size); - be_dws_cpu_to_le(wrb, sizeof(*wrb)); - queue_head_inc(txq); - copied += frag->size; - } - skb = skb_shinfo(skb)->frag_list; - } - - if (dummy_wrb) { - wrb = queue_head_node(txq); - wrb_fill(wrb, 0, 0); - be_dws_cpu_to_le(wrb, sizeof(*wrb)); - queue_head_inc(txq); - } - - wrb_fill_hdr(hdr, first_skb, adapter->vlan_grp ? true : false, - wrb_cnt, copied); - be_dws_cpu_to_le(hdr, sizeof(*hdr)); - - return copied; -} - -static int be_xmit(struct sk_buff *skb, struct net_device *netdev) -{ - struct be_adapter *adapter = netdev_priv(netdev); - struct be_tx_obj *tx_obj = &adapter->tx_obj; - struct be_queue_info *txq = &tx_obj->q; - u32 wrb_cnt = 0, copied = 0; - u32 start = txq->head; - bool dummy_wrb, stopped = false; - - wrb_cnt = wrb_cnt_for_skb(skb, &dummy_wrb); - - copied = make_tx_wrbs(adapter, skb, wrb_cnt, dummy_wrb); - - /* record the sent skb in the sent_skb table */ - BUG_ON(tx_obj->sent_skb_list[start]); - tx_obj->sent_skb_list[start] = skb; - - /* Ensure that txq has space for the next skb; Else stop the queue - * *BEFORE* ringing the tx doorbell, so that we serialze the - * tx compls of the current transmit which'll wake up the queue - */ - if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= txq->len) { - netif_stop_queue(netdev); - stopped = true; - } - - be_txq_notify(&adapter->ctrl, txq->id, wrb_cnt); - - netdev->trans_start = jiffies; - - be_tx_stats_update(adapter, wrb_cnt, copied, stopped); - return NETDEV_TX_OK; -} - -static int be_change_mtu(struct net_device *netdev, int new_mtu) -{ - struct be_adapter *adapter = netdev_priv(netdev); - if (new_mtu < BE_MIN_MTU || - new_mtu > BE_MAX_JUMBO_FRAME_SIZE) { - dev_info(&adapter->pdev->dev, - "MTU must be between %d and %d bytes\n", - BE_MIN_MTU, BE_MAX_JUMBO_FRAME_SIZE); - return -EINVAL; - } - dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", - netdev->mtu, new_mtu); - netdev->mtu = new_mtu; - return 0; -} - -/* - * if there are BE_NUM_VLANS_SUPPORTED or lesser number of VLANS configured, - * program them in BE. If more than BE_NUM_VLANS_SUPPORTED are configured, - * set the BE in promiscuous VLAN mode. - */ -static void be_vid_config(struct net_device *netdev) -{ - struct be_adapter *adapter = netdev_priv(netdev); - u16 vtag[BE_NUM_VLANS_SUPPORTED]; - u16 ntags = 0, i; - - if (adapter->num_vlans <= BE_NUM_VLANS_SUPPORTED) { - /* Construct VLAN Table to give to HW */ - for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { - if (adapter->vlan_tag[i]) { - vtag[ntags] = cpu_to_le16(i); - ntags++; - } - } - be_cmd_vlan_config(&adapter->ctrl, adapter->if_handle, - vtag, ntags, 1, 0); - } else { - be_cmd_vlan_config(&adapter->ctrl, adapter->if_handle, - NULL, 0, 1, 1); - } -} - -static void be_vlan_register(struct net_device *netdev, struct vlan_group *grp) -{ - struct be_adapter *adapter = netdev_priv(netdev); - struct be_eq_obj *rx_eq = &adapter->rx_eq; - struct be_eq_obj *tx_eq = &adapter->tx_eq; - struct be_ctrl_info *ctrl = &adapter->ctrl; - - be_eq_notify(ctrl, rx_eq->q.id, false, false, 0); - be_eq_notify(ctrl, tx_eq->q.id, false, false, 0); - adapter->vlan_grp = grp; - be_eq_notify(ctrl, rx_eq->q.id, true, false, 0); - be_eq_notify(ctrl, tx_eq->q.id, true, false, 0); -} - -static void be_vlan_add_vid(struct net_device *netdev, u16 vid) -{ - struct be_adapter *adapter = netdev_priv(netdev); - - adapter->num_vlans++; - adapter->vlan_tag[vid] = 1; - - be_vid_config(netdev); -} - -static void be_vlan_rem_vid(struct net_device *netdev, u16 vid) -{ - struct be_adapter *adapter = netdev_priv(netdev); - - adapter->num_vlans--; - adapter->vlan_tag[vid] = 0; - - vlan_group_set_device(adapter->vlan_grp, vid, NULL); - be_vid_config(netdev); -} - -static void be_set_multicast_filter(struct net_device *netdev) -{ - struct be_adapter *adapter = netdev_priv(netdev); - struct dev_mc_list *mc_ptr; - u8 mac_addr[32][ETH_ALEN]; - int i = 0; - - if (netdev->flags & IFF_ALLMULTI) { - /* set BE in Multicast promiscuous */ - be_cmd_mcast_mac_set(&adapter->ctrl, - adapter->if_handle, NULL, 0, true); - return; - } - - for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) { - memcpy(&mac_addr[i][0], mc_ptr->dmi_addr, ETH_ALEN); - if (++i >= 32) { - be_cmd_mcast_mac_set(&adapter->ctrl, - adapter->if_handle, &mac_addr[0][0], i, false); - i = 0; - } - - } - - if (i) { - /* reset the promiscuous mode also. */ - be_cmd_mcast_mac_set(&adapter->ctrl, - adapter->if_handle, &mac_addr[0][0], i, false); - } -} - -static void be_set_multicast_list(struct net_device *netdev) -{ - struct be_adapter *adapter = netdev_priv(netdev); - - if (netdev->flags & IFF_PROMISC) { - be_cmd_promiscuous_config(&adapter->ctrl, adapter->port_num, 1); - } else { - be_cmd_promiscuous_config(&adapter->ctrl, adapter->port_num, 0); - be_set_multicast_filter(netdev); - } -} - -static void be_rx_rate_update(struct be_adapter *adapter) -{ - struct be_drvr_stats *stats = drvr_stats(adapter); - ulong now = jiffies; - - /* Wrapped around */ - if (time_before(now, stats->be_rx_jiffies)) { - stats->be_rx_jiffies = now; - return; - } - - /* Update the rate once in two seconds */ - if ((now - stats->be_rx_jiffies) < 2 * HZ) - return; - - stats->be_rx_rate = be_calc_rate(stats->be_rx_bytes - - stats->be_rx_bytes_prev, - now - stats->be_rx_jiffies); - stats->be_rx_jiffies = now; - stats->be_rx_bytes_prev = stats->be_rx_bytes; -} - -static void be_rx_stats_update(struct be_adapter *adapter, - u32 pktsize, u16 numfrags) -{ - struct be_drvr_stats *stats = drvr_stats(adapter); - - stats->be_rx_compl++; - stats->be_rx_frags += numfrags; - stats->be_rx_bytes += pktsize; -} - -static struct be_rx_page_info * -get_rx_page_info(struct be_adapter *adapter, u16 frag_idx) -{ - struct be_rx_page_info *rx_page_info; - struct be_queue_info *rxq = &adapter->rx_obj.q; - - rx_page_info = &adapter->rx_obj.page_info_tbl[frag_idx]; - BUG_ON(!rx_page_info->page); - - if (rx_page_info->last_page_user) - pci_unmap_page(adapter->pdev, pci_unmap_addr(rx_page_info, bus), - adapter->big_page_size, PCI_DMA_FROMDEVICE); - - atomic_dec(&rxq->used); - return rx_page_info; -} - -/* Throwaway the data in the Rx completion */ -static void be_rx_compl_discard(struct be_adapter *adapter, - struct be_eth_rx_compl *rxcp) -{ - struct be_queue_info *rxq = &adapter->rx_obj.q; - struct be_rx_page_info *page_info; - u16 rxq_idx, i, num_rcvd; - - rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); - num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); - - for (i = 0; i < num_rcvd; i++) { - page_info = get_rx_page_info(adapter, rxq_idx); - put_page(page_info->page); - memset(page_info, 0, sizeof(*page_info)); - index_inc(&rxq_idx, rxq->len); - } -} - -/* - * skb_fill_rx_data forms a complete skb for an ether frame - * indicated by rxcp. - */ -static void skb_fill_rx_data(struct be_adapter *adapter, - struct sk_buff *skb, struct be_eth_rx_compl *rxcp) -{ - struct be_queue_info *rxq = &adapter->rx_obj.q; - struct be_rx_page_info *page_info; - u16 rxq_idx, i, num_rcvd; - u32 pktsize, hdr_len, curr_frag_len; - u8 *start; - - rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); - pktsize = AMAP_GET_BITS(struct amap_eth_rx_compl, pktsize, rxcp); - num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); - - page_info = get_rx_page_info(adapter, rxq_idx); - - start = page_address(page_info->page) + page_info->page_offset; - prefetch(start); - - /* Copy data in the first descriptor of this completion */ - curr_frag_len = min(pktsize, rx_frag_size); - - /* Copy the header portion into skb_data */ - hdr_len = min((u32)BE_HDR_LEN, curr_frag_len); - memcpy(skb->data, start, hdr_len); - skb->len = curr_frag_len; - if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ - /* Complete packet has now been moved to data */ - put_page(page_info->page); - skb->data_len = 0; - skb->tail += curr_frag_len; - } else { - skb_shinfo(skb)->nr_frags = 1; - skb_shinfo(skb)->frags[0].page = page_info->page; - skb_shinfo(skb)->frags[0].page_offset = - page_info->page_offset + hdr_len; - skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len; - skb->data_len = curr_frag_len - hdr_len; - skb->tail += hdr_len; - } - memset(page_info, 0, sizeof(*page_info)); - - if (pktsize <= rx_frag_size) { - BUG_ON(num_rcvd != 1); - return; - } - - /* More frags present for this completion */ - pktsize -= curr_frag_len; /* account for above copied frag */ - for (i = 1; i < num_rcvd; i++) { - index_inc(&rxq_idx, rxq->len); - page_info = get_rx_page_info(adapter, rxq_idx); - - curr_frag_len = min(pktsize, rx_frag_size); - - skb_shinfo(skb)->frags[i].page = page_info->page; - skb_shinfo(skb)->frags[i].page_offset = page_info->page_offset; - skb_shinfo(skb)->frags[i].size = curr_frag_len; - skb->len += curr_frag_len; - skb->data_len += curr_frag_len; - skb_shinfo(skb)->nr_frags++; - pktsize -= curr_frag_len; - - memset(page_info, 0, sizeof(*page_info)); - } - - be_rx_stats_update(adapter, pktsize, num_rcvd); - return; -} - -/* Process the RX completion indicated by rxcp when LRO is disabled */ -static void be_rx_compl_process(struct be_adapter *adapter, - struct be_eth_rx_compl *rxcp) -{ - struct sk_buff *skb; - u32 vtp, vid; - int l4_cksm; - - l4_cksm = AMAP_GET_BITS(struct amap_eth_rx_compl, l4_cksm, rxcp); - vtp = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp); - - skb = netdev_alloc_skb(adapter->netdev, BE_HDR_LEN + NET_IP_ALIGN); - if (!skb) { - if (net_ratelimit()) - dev_warn(&adapter->pdev->dev, "skb alloc failed\n"); - be_rx_compl_discard(adapter, rxcp); - return; - } - - skb_reserve(skb, NET_IP_ALIGN); - - skb_fill_rx_data(adapter, skb, rxcp); - - if (l4_cksm && adapter->rx_csum) - skb->ip_summed = CHECKSUM_UNNECESSARY; - else - skb->ip_summed = CHECKSUM_NONE; - - skb->truesize = skb->len + sizeof(struct sk_buff); - skb->protocol = eth_type_trans(skb, adapter->netdev); - skb->dev = adapter->netdev; - - if (vtp) { - if (!adapter->vlan_grp || adapter->num_vlans == 0) { - kfree_skb(skb); - return; - } - vid = AMAP_GET_BITS(struct amap_eth_rx_compl, vlan_tag, rxcp); - vid = be16_to_cpu(vid); - vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, vid); - } else { - netif_receive_skb(skb); - } - - adapter->netdev->last_rx = jiffies; - - return; -} - -/* Process the RX completion indicated by rxcp when LRO is enabled */ -static void be_rx_compl_process_lro(struct be_adapter *adapter, - struct be_eth_rx_compl *rxcp) -{ - struct be_rx_page_info *page_info; - struct skb_frag_struct rx_frags[BE_MAX_FRAGS_PER_FRAME]; - struct be_queue_info *rxq = &adapter->rx_obj.q; - u32 num_rcvd, pkt_size, remaining, vlanf, curr_frag_len; - u16 i, rxq_idx = 0, vid; - - num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); - pkt_size = AMAP_GET_BITS(struct amap_eth_rx_compl, pktsize, rxcp); - vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp); - rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); - - remaining = pkt_size; - for (i = 0; i < num_rcvd; i++) { - page_info = get_rx_page_info(adapter, rxq_idx); - - curr_frag_len = min(remaining, rx_frag_size); - - rx_frags[i].page = page_info->page; - rx_frags[i].page_offset = page_info->page_offset; - rx_frags[i].size = curr_frag_len; - remaining -= curr_frag_len; - - index_inc(&rxq_idx, rxq->len); - - memset(page_info, 0, sizeof(*page_info)); - } - - if (likely(!vlanf)) { - lro_receive_frags(&adapter->rx_obj.lro_mgr, rx_frags, pkt_size, - pkt_size, NULL, 0); - } else { - vid = AMAP_GET_BITS(struct amap_eth_rx_compl, vlan_tag, rxcp); - vid = be16_to_cpu(vid); - - if (!adapter->vlan_grp || adapter->num_vlans == 0) - return; - - lro_vlan_hwaccel_receive_frags(&adapter->rx_obj.lro_mgr, - rx_frags, pkt_size, pkt_size, adapter->vlan_grp, - vid, NULL, 0); - } - - be_rx_stats_update(adapter, pkt_size, num_rcvd); - return; -} - -static struct be_eth_rx_compl *be_rx_compl_get(struct be_adapter *adapter) -{ - struct be_eth_rx_compl *rxcp = queue_tail_node(&adapter->rx_obj.cq); - - if (rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] == 0) - return NULL; - - be_dws_le_to_cpu(rxcp, sizeof(*rxcp)); - - rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] = 0; - - queue_tail_inc(&adapter->rx_obj.cq); - return rxcp; -} - -static inline struct page *be_alloc_pages(u32 size) -{ - gfp_t alloc_flags = GFP_ATOMIC; - u32 order = get_order(size); - if (order > 0) - alloc_flags |= __GFP_COMP; - return alloc_pages(alloc_flags, order); -} - -/* - * Allocate a page, split it to fragments of size rx_frag_size and post as - * receive buffers to BE - */ -static void be_post_rx_frags(struct be_adapter *adapter) -{ - struct be_rx_page_info *page_info_tbl = adapter->rx_obj.page_info_tbl; - struct be_rx_page_info *page_info = NULL; - struct be_queue_info *rxq = &adapter->rx_obj.q; - struct page *pagep = NULL; - struct be_eth_rx_d *rxd; - u64 page_dmaaddr = 0, frag_dmaaddr; - u32 posted, page_offset = 0; - - page_info = &page_info_tbl[rxq->head]; - for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { - if (!pagep) { - pagep = be_alloc_pages(adapter->big_page_size); - if (unlikely(!pagep)) { - drvr_stats(adapter)->be_ethrx_post_fail++; - break; - } - page_dmaaddr = pci_map_page(adapter->pdev, pagep, 0, - adapter->big_page_size, - PCI_DMA_FROMDEVICE); - page_info->page_offset = 0; - } else { - get_page(pagep); - page_info->page_offset = page_offset + rx_frag_size; - } - page_offset = page_info->page_offset; - page_info->page = pagep; - pci_unmap_addr_set(page_info, bus, page_dmaaddr); - frag_dmaaddr = page_dmaaddr + page_info->page_offset; - - rxd = queue_head_node(rxq); - rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); - rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); - queue_head_inc(rxq); - - /* Any space left in the current big page for another frag? */ - if ((page_offset + rx_frag_size + rx_frag_size) > - adapter->big_page_size) { - pagep = NULL; - page_info->last_page_user = true; - } - page_info = &page_info_tbl[rxq->head]; - } - if (pagep) - page_info->last_page_user = true; - - if (posted) { - atomic_add(posted, &rxq->used); - be_rxq_notify(&adapter->ctrl, rxq->id, posted); - } else if (atomic_read(&rxq->used) == 0) { - /* Let be_worker replenish when memory is available */ - adapter->rx_post_starved = true; - } - - return; -} - -static struct be_eth_tx_compl * -be_tx_compl_get(struct be_adapter *adapter) -{ - struct be_queue_info *tx_cq = &adapter->tx_obj.cq; - struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); - - if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) - return NULL; - - be_dws_le_to_cpu(txcp, sizeof(*txcp)); - - txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; - - queue_tail_inc(tx_cq); - return txcp; -} - -static void be_tx_compl_process(struct be_adapter *adapter, u16 last_index) -{ - struct be_queue_info *txq = &adapter->tx_obj.q; - struct be_eth_wrb *wrb; - struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; - struct sk_buff *sent_skb; - u64 busaddr; - u16 cur_index, num_wrbs = 0; - - cur_index = txq->tail; - sent_skb = sent_skbs[cur_index]; - BUG_ON(!sent_skb); - sent_skbs[cur_index] = NULL; - - do { - cur_index = txq->tail; - wrb = queue_tail_node(txq); - be_dws_le_to_cpu(wrb, sizeof(*wrb)); - busaddr = ((u64)wrb->frag_pa_hi << 32) | (u64)wrb->frag_pa_lo; - if (busaddr != 0) { - pci_unmap_single(adapter->pdev, busaddr, - wrb->frag_len, PCI_DMA_TODEVICE); - } - num_wrbs++; - queue_tail_inc(txq); - } while (cur_index != last_index); - - atomic_sub(num_wrbs, &txq->used); - - kfree_skb(sent_skb); -} - -static void be_rx_q_clean(struct be_adapter *adapter) -{ - struct be_rx_page_info *page_info; - struct be_queue_info *rxq = &adapter->rx_obj.q; - struct be_queue_info *rx_cq = &adapter->rx_obj.cq; - struct be_eth_rx_compl *rxcp; - u16 tail; - - /* First cleanup pending rx completions */ - while ((rxcp = be_rx_compl_get(adapter)) != NULL) { - be_rx_compl_discard(adapter, rxcp); - be_cq_notify(&adapter->ctrl, rx_cq->id, true, 1); - } - - /* Then free posted rx buffer that were not used */ - tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; - for (; tail != rxq->head; index_inc(&tail, rxq->len)) { - page_info = get_rx_page_info(adapter, tail); - put_page(page_info->page); - memset(page_info, 0, sizeof(*page_info)); - } - BUG_ON(atomic_read(&rxq->used)); -} - -static void be_tx_q_clean(struct be_adapter *adapter) -{ - struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; - struct sk_buff *sent_skb; - struct be_queue_info *txq = &adapter->tx_obj.q; - u16 last_index; - bool dummy_wrb; - - while (atomic_read(&txq->used)) { - sent_skb = sent_skbs[txq->tail]; - last_index = txq->tail; - index_adv(&last_index, - wrb_cnt_for_skb(sent_skb, &dummy_wrb) - 1, txq->len); - be_tx_compl_process(adapter, last_index); - } -} - -static void be_tx_queues_destroy(struct be_adapter *adapter) -{ - struct be_queue_info *q; - - q = &adapter->tx_obj.q; - if (q->created) - be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_TXQ); - be_queue_free(adapter, q); - - q = &adapter->tx_obj.cq; - if (q->created) - be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_CQ); - be_queue_free(adapter, q); - - /* No more tx completions can be rcvd now; clean up if there are - * any pending completions or pending tx requests */ - be_tx_q_clean(adapter); - - q = &adapter->tx_eq.q; - if (q->created) - be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_EQ); - be_queue_free(adapter, q); -} - -static int be_tx_queues_create(struct be_adapter *adapter) -{ - struct be_queue_info *eq, *q, *cq; - - adapter->tx_eq.max_eqd = 0; - adapter->tx_eq.min_eqd = 0; - adapter->tx_eq.cur_eqd = 96; - adapter->tx_eq.enable_aic = false; - /* Alloc Tx Event queue */ - eq = &adapter->tx_eq.q; - if (be_queue_alloc(adapter, eq, EVNT_Q_LEN, sizeof(struct be_eq_entry))) - return -1; - - /* Ask BE to create Tx Event queue */ - if (be_cmd_eq_create(&adapter->ctrl, eq, adapter->tx_eq.cur_eqd)) - goto tx_eq_free; - /* Alloc TX eth compl queue */ - cq = &adapter->tx_obj.cq; - if (be_queue_alloc(adapter, cq, TX_CQ_LEN, - sizeof(struct be_eth_tx_compl))) - goto tx_eq_destroy; - - /* Ask BE to create Tx eth compl queue */ - if (be_cmd_cq_create(&adapter->ctrl, cq, eq, false, false, 3)) - goto tx_cq_free; - - /* Alloc TX eth queue */ - q = &adapter->tx_obj.q; - if (be_queue_alloc(adapter, q, TX_Q_LEN, sizeof(struct be_eth_wrb))) - goto tx_cq_destroy; - - /* Ask BE to create Tx eth queue */ - if (be_cmd_txq_create(&adapter->ctrl, q, cq)) - goto tx_q_free; - return 0; - -tx_q_free: - be_queue_free(adapter, q); -tx_cq_destroy: - be_cmd_q_destroy(&adapter->ctrl, cq, QTYPE_CQ); -tx_cq_free: - be_queue_free(adapter, cq); -tx_eq_destroy: - be_cmd_q_destroy(&adapter->ctrl, eq, QTYPE_EQ); -tx_eq_free: - be_queue_free(adapter, eq); - return -1; -} - -static void be_rx_queues_destroy(struct be_adapter *adapter) -{ - struct be_queue_info *q; - - q = &adapter->rx_obj.q; - if (q->created) { - be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_RXQ); - be_rx_q_clean(adapter); - } - be_queue_free(adapter, q); - - q = &adapter->rx_obj.cq; - if (q->created) - be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_CQ); - be_queue_free(adapter, q); - - q = &adapter->rx_eq.q; - if (q->created) - be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_EQ); - be_queue_free(adapter, q); -} - -static int be_rx_queues_create(struct be_adapter *adapter) -{ - struct be_queue_info *eq, *q, *cq; - int rc; - - adapter->max_rx_coal = BE_MAX_FRAGS_PER_FRAME; - adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; - adapter->rx_eq.max_eqd = BE_MAX_EQD; - adapter->rx_eq.min_eqd = 0; - adapter->rx_eq.cur_eqd = 0; - adapter->rx_eq.enable_aic = true; - - /* Alloc Rx Event queue */ - eq = &adapter->rx_eq.q; - rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, - sizeof(struct be_eq_entry)); - if (rc) - return rc; - - /* Ask BE to create Rx Event queue */ - rc = be_cmd_eq_create(&adapter->ctrl, eq, adapter->rx_eq.cur_eqd); - if (rc) - goto rx_eq_free; - - /* Alloc RX eth compl queue */ - cq = &adapter->rx_obj.cq; - rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, - sizeof(struct be_eth_rx_compl)); - if (rc) - goto rx_eq_destroy; - - /* Ask BE to create Rx eth compl queue */ - rc = be_cmd_cq_create(&adapter->ctrl, cq, eq, false, false, 3); - if (rc) - goto rx_cq_free; - - /* Alloc RX eth queue */ - q = &adapter->rx_obj.q; - rc = be_queue_alloc(adapter, q, RX_Q_LEN, sizeof(struct be_eth_rx_d)); - if (rc) - goto rx_cq_destroy; - - /* Ask BE to create Rx eth queue */ - rc = be_cmd_rxq_create(&adapter->ctrl, q, cq->id, rx_frag_size, - BE_MAX_JUMBO_FRAME_SIZE, adapter->if_handle, false); - if (rc) - goto rx_q_free; - - return 0; -rx_q_free: - be_queue_free(adapter, q); -rx_cq_destroy: - be_cmd_q_destroy(&adapter->ctrl, cq, QTYPE_CQ); -rx_cq_free: - be_queue_free(adapter, cq); -rx_eq_destroy: - be_cmd_q_destroy(&adapter->ctrl, eq, QTYPE_EQ); -rx_eq_free: - be_queue_free(adapter, eq); - return rc; -} -static bool event_get(struct be_eq_obj *eq_obj, u16 *rid) -{ - struct be_eq_entry *entry = queue_tail_node(&eq_obj->q); - u32 evt = entry->evt; - - if (!evt) - return false; - - evt = le32_to_cpu(evt); - *rid = (evt >> EQ_ENTRY_RES_ID_SHIFT) & EQ_ENTRY_RES_ID_MASK; - entry->evt = 0; - queue_tail_inc(&eq_obj->q); - return true; -} - -static int event_handle(struct be_ctrl_info *ctrl, - struct be_eq_obj *eq_obj) -{ - u16 rid = 0, num = 0; - - while (event_get(eq_obj, &rid)) - num++; - - /* We can see an interrupt and no event */ - be_eq_notify(ctrl, eq_obj->q.id, true, true, num); - if (num) - napi_schedule(&eq_obj->napi); - - return num; -} - -static irqreturn_t be_intx(int irq, void *dev) -{ - struct be_adapter *adapter = dev; - struct be_ctrl_info *ctrl = &adapter->ctrl; - int rx, tx; - - tx = event_handle(ctrl, &adapter->tx_eq); - rx = event_handle(ctrl, &adapter->rx_eq); - - if (rx || tx) - return IRQ_HANDLED; - else - return IRQ_NONE; -} - -static irqreturn_t be_msix_rx(int irq, void *dev) -{ - struct be_adapter *adapter = dev; - - event_handle(&adapter->ctrl, &adapter->rx_eq); - - return IRQ_HANDLED; -} - -static irqreturn_t be_msix_tx(int irq, void *dev) -{ - struct be_adapter *adapter = dev; - - event_handle(&adapter->ctrl, &adapter->tx_eq); - - return IRQ_HANDLED; -} - -static inline bool do_lro(struct be_adapter *adapter, - struct be_eth_rx_compl *rxcp) -{ - int err = AMAP_GET_BITS(struct amap_eth_rx_compl, err, rxcp); - int tcp_frame = AMAP_GET_BITS(struct amap_eth_rx_compl, tcpf, rxcp); - - if (err) - drvr_stats(adapter)->be_rxcp_err++; - - return (!tcp_frame || err || (adapter->max_rx_coal <= 1)) ? - false : true; -} - -int be_poll_rx(struct napi_struct *napi, int budget) -{ - struct be_eq_obj *rx_eq = container_of(napi, struct be_eq_obj, napi); - struct be_adapter *adapter = - container_of(rx_eq, struct be_adapter, rx_eq); - struct be_queue_info *rx_cq = &adapter->rx_obj.cq; - struct be_eth_rx_compl *rxcp; - u32 work_done; - - for (work_done = 0; work_done < budget; work_done++) { - rxcp = be_rx_compl_get(adapter); - if (!rxcp) - break; - - if (do_lro(adapter, rxcp)) - be_rx_compl_process_lro(adapter, rxcp); - else - be_rx_compl_process(adapter, rxcp); - } - - lro_flush_all(&adapter->rx_obj.lro_mgr); - - /* Refill the queue */ - if (atomic_read(&adapter->rx_obj.q.used) < RX_FRAGS_REFILL_WM) - be_post_rx_frags(adapter); - - /* All consumed */ - if (work_done < budget) { - napi_complete(napi); - be_cq_notify(&adapter->ctrl, rx_cq->id, true, work_done); - } else { - /* More to be consumed; continue with interrupts disabled */ - be_cq_notify(&adapter->ctrl, rx_cq->id, false, work_done); - } - return work_done; -} - -/* For TX we don't honour budget; consume everything */ -int be_poll_tx(struct napi_struct *napi, int budget) -{ - struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi); - struct be_adapter *adapter = - container_of(tx_eq, struct be_adapter, tx_eq); - struct be_tx_obj *tx_obj = &adapter->tx_obj; - struct be_queue_info *tx_cq = &tx_obj->cq; - struct be_queue_info *txq = &tx_obj->q; - struct be_eth_tx_compl *txcp; - u32 num_cmpl = 0; - u16 end_idx; - - while ((txcp = be_tx_compl_get(adapter))) { - end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, - wrb_index, txcp); - be_tx_compl_process(adapter, end_idx); - num_cmpl++; - } - - /* As Tx wrbs have been freed up, wake up netdev queue if - * it was stopped due to lack of tx wrbs. - */ - if (netif_queue_stopped(adapter->netdev) && - atomic_read(&txq->used) < txq->len / 2) { - netif_wake_queue(adapter->netdev); - } - - napi_complete(napi); - - be_cq_notify(&adapter->ctrl, tx_cq->id, true, num_cmpl); - - drvr_stats(adapter)->be_tx_events++; - drvr_stats(adapter)->be_tx_compl += num_cmpl; - - return 1; -} - -static void be_worker(struct work_struct *work) -{ - struct be_adapter *adapter = - container_of(work, struct be_adapter, work.work); - int status; - - /* Check link */ - be_link_status_update(adapter); - - /* Get Stats */ - status = be_cmd_get_stats(&adapter->ctrl, &adapter->stats.cmd); - if (!status) - netdev_stats_update(adapter); - - /* Set EQ delay */ - be_rx_eqd_update(adapter); - - be_tx_rate_update(adapter); - be_rx_rate_update(adapter); - - if (adapter->rx_post_starved) { - adapter->rx_post_starved = false; - be_post_rx_frags(adapter); - } - - schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); -} - -static void be_msix_enable(struct be_adapter *adapter) -{ - int i, status; - - for (i = 0; i < BE_NUM_MSIX_VECTORS; i++) - adapter->msix_entries[i].entry = i; - - status = pci_enable_msix(adapter->pdev, adapter->msix_entries, - BE_NUM_MSIX_VECTORS); - if (status == 0) - adapter->msix_enabled = true; - return; -} - -static inline int be_msix_vec_get(struct be_adapter *adapter, u32 eq_id) -{ - return adapter->msix_entries[eq_id - - 8 * adapter->ctrl.pci_func].vector; -} - -static int be_msix_register(struct be_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct be_eq_obj *tx_eq = &adapter->tx_eq; - struct be_eq_obj *rx_eq = &adapter->rx_eq; - int status, vec; - - sprintf(tx_eq->desc, "%s-tx", netdev->name); - vec = be_msix_vec_get(adapter, tx_eq->q.id); - status = request_irq(vec, be_msix_tx, 0, tx_eq->desc, adapter); - if (status) - goto err; - - sprintf(rx_eq->desc, "%s-rx", netdev->name); - vec = be_msix_vec_get(adapter, rx_eq->q.id); - status = request_irq(vec, be_msix_rx, 0, rx_eq->desc, adapter); - if (status) { /* Free TX IRQ */ - vec = be_msix_vec_get(adapter, tx_eq->q.id); - free_irq(vec, adapter); - goto err; - } - return 0; -err: - dev_warn(&adapter->pdev->dev, - "MSIX Request IRQ failed - err %d\n", status); - pci_disable_msix(adapter->pdev); - adapter->msix_enabled = false; - return status; -} - -static int be_irq_register(struct be_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int status; - - if (adapter->msix_enabled) { - status = be_msix_register(adapter); - if (status == 0) - goto done; - } - - /* INTx */ - netdev->irq = adapter->pdev->irq; - status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, - adapter); - if (status) { - dev_err(&adapter->pdev->dev, - "INTx request IRQ failed - err %d\n", status); - return status; - } -done: - adapter->isr_registered = true; - return 0; -} - -static void be_irq_unregister(struct be_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int vec; - - if (!adapter->isr_registered) - return; - - /* INTx */ - if (!adapter->msix_enabled) { - free_irq(netdev->irq, adapter); - goto done; - } - - /* MSIx */ - vec = be_msix_vec_get(adapter, adapter->tx_eq.q.id); - free_irq(vec, adapter); - vec = be_msix_vec_get(adapter, adapter->rx_eq.q.id); - free_irq(vec, adapter); -done: - adapter->isr_registered = false; - return; -} - -static int be_open(struct net_device *netdev) -{ - struct be_adapter *adapter = netdev_priv(netdev); - struct be_ctrl_info *ctrl = &adapter->ctrl; - struct be_eq_obj *rx_eq = &adapter->rx_eq; - struct be_eq_obj *tx_eq = &adapter->tx_eq; - u32 if_flags; - int status; - - if_flags = BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_PROMISCUOUS | - BE_IF_FLAGS_MCAST_PROMISCUOUS | BE_IF_FLAGS_UNTAGGED | - BE_IF_FLAGS_PASS_L3L4_ERRORS; - status = be_cmd_if_create(ctrl, if_flags, netdev->dev_addr, - false/* pmac_invalid */, &adapter->if_handle, - &adapter->pmac_id); - if (status != 0) - goto do_none; - - be_vid_config(netdev); - - status = be_cmd_set_flow_control(ctrl, true, true); - if (status != 0) - goto if_destroy; - - status = be_tx_queues_create(adapter); - if (status != 0) - goto if_destroy; - - status = be_rx_queues_create(adapter); - if (status != 0) - goto tx_qs_destroy; - - /* First time posting */ - be_post_rx_frags(adapter); - - napi_enable(&rx_eq->napi); - napi_enable(&tx_eq->napi); - - be_irq_register(adapter); - - be_intr_set(ctrl, true); - - /* The evt queues are created in the unarmed state; arm them */ - be_eq_notify(ctrl, rx_eq->q.id, true, false, 0); - be_eq_notify(ctrl, tx_eq->q.id, true, false, 0); - - /* The compl queues are created in the unarmed state; arm them */ - be_cq_notify(ctrl, adapter->rx_obj.cq.id, true, 0); - be_cq_notify(ctrl, adapter->tx_obj.cq.id, true, 0); - - be_link_status_update(adapter); - - schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); - return 0; - -tx_qs_destroy: - be_tx_queues_destroy(adapter); -if_destroy: - be_cmd_if_destroy(ctrl, adapter->if_handle); -do_none: - return status; -} - -static int be_close(struct net_device *netdev) -{ - struct be_adapter *adapter = netdev_priv(netdev); - struct be_ctrl_info *ctrl = &adapter->ctrl; - struct be_eq_obj *rx_eq = &adapter->rx_eq; - struct be_eq_obj *tx_eq = &adapter->tx_eq; - int vec; - - cancel_delayed_work(&adapter->work); - - netif_stop_queue(netdev); - netif_carrier_off(netdev); - adapter->link.speed = PHY_LINK_SPEED_ZERO; - - be_intr_set(ctrl, false); - - if (adapter->msix_enabled) { - vec = be_msix_vec_get(adapter, tx_eq->q.id); - synchronize_irq(vec); - vec = be_msix_vec_get(adapter, rx_eq->q.id); - synchronize_irq(vec); - } else { - synchronize_irq(netdev->irq); - } - be_irq_unregister(adapter); - - napi_disable(&rx_eq->napi); - napi_disable(&tx_eq->napi); - - be_rx_queues_destroy(adapter); - be_tx_queues_destroy(adapter); - - be_cmd_if_destroy(ctrl, adapter->if_handle); - return 0; -} - -static int be_get_frag_header(struct skb_frag_struct *frag, void **mac_hdr, - void **ip_hdr, void **tcpudp_hdr, - u64 *hdr_flags, void *priv) -{ - struct ethhdr *eh; - struct vlan_ethhdr *veh; - struct iphdr *iph; - u8 *va = page_address(frag->page) + frag->page_offset; - unsigned long ll_hlen; - - prefetch(va); - eh = (struct ethhdr *)va; - *mac_hdr = eh; - ll_hlen = ETH_HLEN; - if (eh->h_proto != htons(ETH_P_IP)) { - if (eh->h_proto == htons(ETH_P_8021Q)) { - veh = (struct vlan_ethhdr *)va; - if (veh->h_vlan_encapsulated_proto != htons(ETH_P_IP)) - return -1; - - ll_hlen += VLAN_HLEN; - } else { - return -1; - } - } - *hdr_flags = LRO_IPV4; - iph = (struct iphdr *)(va + ll_hlen); - *ip_hdr = iph; - if (iph->protocol != IPPROTO_TCP) - return -1; - *hdr_flags |= LRO_TCP; - *tcpudp_hdr = (u8 *) (*ip_hdr) + (iph->ihl << 2); - - return 0; -} - -static void be_lro_init(struct be_adapter *adapter, struct net_device *netdev) -{ - struct net_lro_mgr *lro_mgr; - - lro_mgr = &adapter->rx_obj.lro_mgr; - lro_mgr->dev = netdev; - lro_mgr->features = LRO_F_NAPI; - lro_mgr->ip_summed = CHECKSUM_UNNECESSARY; - lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY; - lro_mgr->max_desc = BE_MAX_LRO_DESCRIPTORS; - lro_mgr->lro_arr = adapter->rx_obj.lro_desc; - lro_mgr->get_frag_header = be_get_frag_header; - lro_mgr->max_aggr = BE_MAX_FRAGS_PER_FRAME; -} - -static struct net_device_ops be_netdev_ops = { - .ndo_open = be_open, - .ndo_stop = be_close, - .ndo_start_xmit = be_xmit, - .ndo_get_stats = be_get_stats, - .ndo_set_rx_mode = be_set_multicast_list, - .ndo_set_mac_address = be_mac_addr_set, - .ndo_change_mtu = be_change_mtu, - .ndo_validate_addr = eth_validate_addr, - .ndo_vlan_rx_register = be_vlan_register, - .ndo_vlan_rx_add_vid = be_vlan_add_vid, - .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, -}; - -static void be_netdev_init(struct net_device *netdev) -{ - struct be_adapter *adapter = netdev_priv(netdev); - - netdev->features |= NETIF_F_SG | NETIF_F_HW_VLAN_RX | NETIF_F_TSO | - NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER | NETIF_F_IP_CSUM | - NETIF_F_IPV6_CSUM | NETIF_F_TSO6; - - netdev->flags |= IFF_MULTICAST; - - BE_SET_NETDEV_OPS(netdev, &be_netdev_ops); - - SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); - - be_lro_init(adapter, netdev); - - netif_napi_add(netdev, &adapter->rx_eq.napi, be_poll_rx, - BE_NAPI_WEIGHT); - netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx, - BE_NAPI_WEIGHT); - - netif_carrier_off(netdev); - netif_stop_queue(netdev); -} - -static void be_unmap_pci_bars(struct be_adapter *adapter) -{ - struct be_ctrl_info *ctrl = &adapter->ctrl; - if (ctrl->csr) - iounmap(ctrl->csr); - if (ctrl->db) - iounmap(ctrl->db); - if (ctrl->pcicfg) - iounmap(ctrl->pcicfg); -} - -static int be_map_pci_bars(struct be_adapter *adapter) -{ - u8 __iomem *addr; - - addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2), - pci_resource_len(adapter->pdev, 2)); - if (addr == NULL) - return -ENOMEM; - adapter->ctrl.csr = addr; - - addr = ioremap_nocache(pci_resource_start(adapter->pdev, 4), - 128 * 1024); - if (addr == NULL) - goto pci_map_err; - adapter->ctrl.db = addr; - - addr = ioremap_nocache(pci_resource_start(adapter->pdev, 1), - pci_resource_len(adapter->pdev, 1)); - if (addr == NULL) - goto pci_map_err; - adapter->ctrl.pcicfg = addr; - - return 0; -pci_map_err: - be_unmap_pci_bars(adapter); - return -ENOMEM; -} - - -static void be_ctrl_cleanup(struct be_adapter *adapter) -{ - struct be_dma_mem *mem = &adapter->ctrl.mbox_mem_alloced; - - be_unmap_pci_bars(adapter); - - if (mem->va) - pci_free_consistent(adapter->pdev, mem->size, - mem->va, mem->dma); -} - -/* Initialize the mbox required to send cmds to BE */ -static int be_ctrl_init(struct be_adapter *adapter) -{ - struct be_ctrl_info *ctrl = &adapter->ctrl; - struct be_dma_mem *mbox_mem_alloc = &ctrl->mbox_mem_alloced; - struct be_dma_mem *mbox_mem_align = &ctrl->mbox_mem; - int status; - u32 val; - - status = be_map_pci_bars(adapter); - if (status) - return status; - - mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; - mbox_mem_alloc->va = pci_alloc_consistent(adapter->pdev, - mbox_mem_alloc->size, &mbox_mem_alloc->dma); - if (!mbox_mem_alloc->va) { - be_unmap_pci_bars(adapter); - return -1; - } - mbox_mem_align->size = sizeof(struct be_mcc_mailbox); - mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); - mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); - memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); - spin_lock_init(&ctrl->cmd_lock); - - val = ioread32(ctrl->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET); - ctrl->pci_func = (val >> MEMBAR_CTRL_INT_CTRL_PFUNC_SHIFT) & - MEMBAR_CTRL_INT_CTRL_PFUNC_MASK; - return 0; -} - -static void be_stats_cleanup(struct be_adapter *adapter) -{ - struct be_stats_obj *stats = &adapter->stats; - struct be_dma_mem *cmd = &stats->cmd; - - if (cmd->va) - pci_free_consistent(adapter->pdev, cmd->size, - cmd->va, cmd->dma); -} - -static int be_stats_init(struct be_adapter *adapter) -{ - struct be_stats_obj *stats = &adapter->stats; - struct be_dma_mem *cmd = &stats->cmd; - - cmd->size = sizeof(struct be_cmd_req_get_stats); - cmd->va = pci_alloc_consistent(adapter->pdev, cmd->size, &cmd->dma); - if (cmd->va == NULL) - return -1; - return 0; -} - -static void __devexit be_remove(struct pci_dev *pdev) -{ - struct be_adapter *adapter = pci_get_drvdata(pdev); - if (!adapter) - return; - - unregister_netdev(adapter->netdev); - - be_stats_cleanup(adapter); - - be_ctrl_cleanup(adapter); - - if (adapter->msix_enabled) { - pci_disable_msix(adapter->pdev); - adapter->msix_enabled = false; - } - - pci_set_drvdata(pdev, NULL); - pci_release_regions(pdev); - pci_disable_device(pdev); - - free_netdev(adapter->netdev); -} - -static int be_hw_up(struct be_adapter *adapter) -{ - struct be_ctrl_info *ctrl = &adapter->ctrl; - int status; - - status = be_cmd_POST(ctrl); - if (status) - return status; - - status = be_cmd_get_fw_ver(ctrl, adapter->fw_ver); - if (status) - return status; - - status = be_cmd_query_fw_cfg(ctrl, &adapter->port_num); - return status; -} - -static int __devinit be_probe(struct pci_dev *pdev, - const struct pci_device_id *pdev_id) -{ - int status = 0; - struct be_adapter *adapter; - struct net_device *netdev; - struct be_ctrl_info *ctrl; - u8 mac[ETH_ALEN]; - - status = pci_enable_device(pdev); - if (status) - goto do_none; - - status = pci_request_regions(pdev, DRV_NAME); - if (status) - goto disable_dev; - pci_set_master(pdev); - - netdev = alloc_etherdev(sizeof(struct be_adapter)); - if (netdev == NULL) { - status = -ENOMEM; - goto rel_reg; - } - adapter = netdev_priv(netdev); - adapter->pdev = pdev; - pci_set_drvdata(pdev, adapter); - adapter->netdev = netdev; - - be_msix_enable(adapter); - - status = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); - if (!status) { - netdev->features |= NETIF_F_HIGHDMA; - } else { - status = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (status) { - dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); - goto free_netdev; - } - } - - ctrl = &adapter->ctrl; - status = be_ctrl_init(adapter); - if (status) - goto free_netdev; - - status = be_stats_init(adapter); - if (status) - goto ctrl_clean; - - status = be_hw_up(adapter); - if (status) - goto stats_clean; - - status = be_cmd_mac_addr_query(ctrl, mac, MAC_ADDRESS_TYPE_NETWORK, - true /* permanent */, 0); - if (status) - goto stats_clean; - memcpy(netdev->dev_addr, mac, ETH_ALEN); - - INIT_DELAYED_WORK(&adapter->work, be_worker); - be_netdev_init(netdev); - SET_NETDEV_DEV(netdev, &adapter->pdev->dev); - - status = register_netdev(netdev); - if (status != 0) - goto stats_clean; - - dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num); - return 0; - -stats_clean: - be_stats_cleanup(adapter); -ctrl_clean: - be_ctrl_cleanup(adapter); -free_netdev: - free_netdev(adapter->netdev); -rel_reg: - pci_release_regions(pdev); -disable_dev: - pci_disable_device(pdev); -do_none: - dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); - return status; -} - -static int be_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct be_adapter *adapter = pci_get_drvdata(pdev); - struct net_device *netdev = adapter->netdev; - - netif_device_detach(netdev); - if (netif_running(netdev)) { - rtnl_lock(); - be_close(netdev); - rtnl_unlock(); - } - - pci_save_state(pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - return 0; -} - -static int be_resume(struct pci_dev *pdev) -{ - int status = 0; - struct be_adapter *adapter = pci_get_drvdata(pdev); - struct net_device *netdev = adapter->netdev; - - netif_device_detach(netdev); - - status = pci_enable_device(pdev); - if (status) - return status; - - pci_set_power_state(pdev, 0); - pci_restore_state(pdev); - - if (netif_running(netdev)) { - rtnl_lock(); - be_open(netdev); - rtnl_unlock(); - } - netif_device_attach(netdev); - return 0; -} - -static struct pci_driver be_driver = { - .name = DRV_NAME, - .id_table = be_dev_ids, - .probe = be_probe, - .remove = be_remove, - .suspend = be_suspend, - .resume = be_resume -}; - -static int __init be_init_module(void) -{ - if (rx_frag_size != 8192 && rx_frag_size != 4096 - && rx_frag_size != 2048) { - printk(KERN_WARNING DRV_NAME - " : Module param rx_frag_size must be 2048/4096/8192." - " Using 2048\n"); - rx_frag_size = 2048; - } - /* Ensure rx_frag_size is aligned to chache line */ - if (SKB_DATA_ALIGN(rx_frag_size) != rx_frag_size) { - printk(KERN_WARNING DRV_NAME - " : Bad module param rx_frag_size. Using 2048\n"); - rx_frag_size = 2048; - } - - return pci_register_driver(&be_driver); -} -module_init(be_init_module); - -static void __exit be_exit_module(void) -{ - pci_unregister_driver(&be_driver); -} -module_exit(be_exit_module); |