diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-05-13 00:37:27 -0700 |
---|---|---|
committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-11 02:33:55 -0700 |
commit | 9aebddd11be42366f89b0296590770c02797aa98 (patch) | |
tree | bca16cd2c06a513096e930ab6337bd6f9d9ac674 /drivers/net/benet | |
parent | 874aeea5d01cac55c160a4e503e3ddb4db030de7 (diff) |
be2net: Move the Emulex driver
Moves the Emulex driver into drivers/net/ethernet/emulex/ and
make the necessary Kconfig and Makefile changes.
CC: Sathya Perla <sathya.perla@emulex.com>
CC: Subbu Seetharaman <subbu.seetharaman@emulex.com>
CC: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/benet')
-rw-r--r-- | drivers/net/benet/Kconfig | 6 | ||||
-rw-r--r-- | drivers/net/benet/Makefile | 7 | ||||
-rw-r--r-- | drivers/net/benet/be.h | 529 | ||||
-rw-r--r-- | drivers/net/benet/be_cmds.c | 2367 | ||||
-rw-r--r-- | drivers/net/benet/be_cmds.h | 1502 | ||||
-rw-r--r-- | drivers/net/benet/be_ethtool.c | 714 | ||||
-rw-r--r-- | drivers/net/benet/be_hw.h | 510 | ||||
-rw-r--r-- | drivers/net/benet/be_main.c | 3633 |
8 files changed, 0 insertions, 9268 deletions
diff --git a/drivers/net/benet/Kconfig b/drivers/net/benet/Kconfig deleted file mode 100644 index 1a41a49bb61..00000000000 --- a/drivers/net/benet/Kconfig +++ /dev/null @@ -1,6 +0,0 @@ -config BE2NET - tristate "ServerEngines' 10Gbps NIC - BladeEngine" - depends on PCI && INET - help - This driver implements the NIC functionality for ServerEngines' - 10Gbps network adapter - BladeEngine. 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 12b5b5168dc..00000000000 --- a/drivers/net/benet/be.h +++ /dev/null @@ -1,529 +0,0 @@ -/* - * Copyright (C) 2005 - 2011 Emulex - * 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@emulex.com - * - * Emulex - * 3333 Susan Street - * Costa Mesa, CA 92626 - */ - -#ifndef BE_H -#define BE_H - -#include <linux/pci.h> -#include <linux/etherdevice.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/firmware.h> -#include <linux/slab.h> -#include <linux/u64_stats_sync.h> - -#include "be_hw.h" - -#define DRV_VER "4.0.100u" -#define DRV_NAME "be2net" -#define BE_NAME "ServerEngines BladeEngine2 10Gbps NIC" -#define BE3_NAME "ServerEngines BladeEngine3 10Gbps NIC" -#define OC_NAME "Emulex OneConnect 10Gbps NIC" -#define OC_NAME_BE OC_NAME "(be3)" -#define OC_NAME_LANCER OC_NAME "(Lancer)" -#define DRV_DESC "ServerEngines BladeEngine 10Gbps NIC Driver" - -#define BE_VENDOR_ID 0x19a2 -#define EMULEX_VENDOR_ID 0x10df -#define BE_DEVICE_ID1 0x211 -#define BE_DEVICE_ID2 0x221 -#define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */ -#define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */ -#define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */ -#define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */ - -static inline char *nic_name(struct pci_dev *pdev) -{ - switch (pdev->device) { - case OC_DEVICE_ID1: - return OC_NAME; - case OC_DEVICE_ID2: - return OC_NAME_BE; - case OC_DEVICE_ID3: - case OC_DEVICE_ID4: - return OC_NAME_LANCER; - case BE_DEVICE_ID2: - return BE3_NAME; - default: - return BE_NAME; - } -} - -/* Number of bytes of an RX frame that are copied to skb->data */ -#define BE_HDR_LEN ((u16) 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 128 /* total size not to exceed 8 pages */ -#define MCC_CQ_LEN 256 - -#define MAX_RSS_QS 4 /* BE limit is 4 queues/port */ -#define MAX_RX_QS (MAX_RSS_QS + 1) /* RSS qs + 1 def Rx */ -#define MAX_TX_QS 8 -#define BE_MAX_MSIX_VECTORS (MAX_RX_QS + 1)/* RX + TX */ -#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 FW_VER_LEN 32 - -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 */ -}; - -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); -} - -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); -} - -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 */ - u8 eq_idx; - - struct napi_struct napi; -}; - -struct be_mcc_obj { - struct be_queue_info q; - struct be_queue_info cq; - bool rearm_cq; -}; - -struct be_tx_stats { - u64 tx_bytes; - u64 tx_pkts; - u64 tx_reqs; - u64 tx_wrbs; - u64 tx_compl; - ulong tx_jiffies; - u32 tx_stops; - struct u64_stats_sync sync; - struct u64_stats_sync sync_compl; -}; - -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 be_tx_stats stats; -}; - -/* Struct to remember the pages posted for rx frags */ -struct be_rx_page_info { - struct page *page; - DEFINE_DMA_UNMAP_ADDR(bus); - u16 page_offset; - bool last_page_user; -}; - -struct be_rx_stats { - u64 rx_bytes; - u64 rx_pkts; - u64 rx_pkts_prev; - ulong rx_jiffies; - u32 rx_drops_no_skbs; /* skb allocation errors */ - u32 rx_drops_no_frags; /* HW has no fetched frags */ - u32 rx_post_fail; /* page post alloc failures */ - u32 rx_polls; /* NAPI calls */ - u32 rx_events; - u32 rx_compl; - u32 rx_mcast_pkts; - u32 rx_compl_err; /* completions with err set */ - u32 rx_pps; /* pkts per second */ - struct u64_stats_sync sync; -}; - -struct be_rx_compl_info { - u32 rss_hash; - u16 vlan_tag; - u16 pkt_size; - u16 rxq_idx; - u16 port; - u8 vlanf; - u8 num_rcvd; - u8 err; - u8 ipf; - u8 tcpf; - u8 udpf; - u8 ip_csum; - u8 l4_csum; - u8 ipv6; - u8 vtm; - u8 pkt_type; -}; - -struct be_rx_obj { - struct be_adapter *adapter; - struct be_queue_info q; - struct be_queue_info cq; - struct be_rx_compl_info rxcp; - struct be_rx_page_info page_info_tbl[RX_Q_LEN]; - struct be_eq_obj rx_eq; - struct be_rx_stats stats; - u8 rss_id; - bool rx_post_starved; /* Zero rx frags have been posted to BE */ - u32 cache_line_barrier[16]; -}; - -struct be_drv_stats { - u8 be_on_die_temperature; - u32 tx_events; - u32 eth_red_drops; - u32 rx_drops_no_pbuf; - u32 rx_drops_no_txpb; - u32 rx_drops_no_erx_descr; - u32 rx_drops_no_tpre_descr; - u32 rx_drops_too_many_frags; - u32 rx_drops_invalid_ring; - u32 forwarded_packets; - u32 rx_drops_mtu; - u32 rx_crc_errors; - u32 rx_alignment_symbol_errors; - u32 rx_pause_frames; - u32 rx_priority_pause_frames; - u32 rx_control_frames; - u32 rx_in_range_errors; - u32 rx_out_range_errors; - u32 rx_frame_too_long; - u32 rx_address_match_errors; - u32 rx_dropped_too_small; - u32 rx_dropped_too_short; - u32 rx_dropped_header_too_small; - u32 rx_dropped_tcp_length; - u32 rx_dropped_runt; - u32 rx_ip_checksum_errs; - u32 rx_tcp_checksum_errs; - u32 rx_udp_checksum_errs; - u32 tx_pauseframes; - u32 tx_priority_pauseframes; - u32 tx_controlframes; - u32 rxpp_fifo_overflow_drop; - u32 rx_input_fifo_overflow_drop; - u32 pmem_fifo_overflow_drop; - u32 jabber_events; -}; - -struct be_vf_cfg { - unsigned char vf_mac_addr[ETH_ALEN]; - u32 vf_if_handle; - u32 vf_pmac_id; - u16 vf_vlan_tag; - u32 vf_tx_rate; -}; - -#define BE_INVALID_PMAC_ID 0xffffffff - -struct be_adapter { - struct pci_dev *pdev; - struct net_device *netdev; - - u8 __iomem *csr; - u8 __iomem *db; /* Door Bell */ - u8 __iomem *pcicfg; /* PCI config space */ - - struct mutex mbox_lock; /* For serializing mbox 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; - - struct be_mcc_obj mcc_obj; - spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */ - spinlock_t mcc_cq_lock; - - struct msix_entry msix_entries[BE_MAX_MSIX_VECTORS]; - u32 num_msix_vec; - bool isr_registered; - - /* TX Rings */ - struct be_eq_obj tx_eq; - struct be_tx_obj tx_obj[MAX_TX_QS]; - u8 num_tx_qs; - - u32 cache_line_break[8]; - - /* Rx rings */ - struct be_rx_obj rx_obj[MAX_RX_QS]; - u32 num_rx_qs; - u32 big_page_size; /* Compounded page size shared by rx wrbs */ - - u8 eq_next_idx; - struct be_drv_stats drv_stats; - - u16 vlans_added; - u16 max_vlans; /* Number of vlans supported */ - u8 vlan_tag[VLAN_N_VID]; - u8 vlan_prio_bmap; /* Available Priority BitMap */ - u16 recommended_prio; /* Recommended Priority */ - struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */ - - struct be_dma_mem stats_cmd; - /* Work queue used to perform periodic tasks like getting statistics */ - struct delayed_work work; - u16 work_counter; - - /* Ethtool knobs and info */ - char fw_ver[FW_VER_LEN]; - u32 if_handle; /* Used to configure filtering */ - u32 pmac_id; /* MAC addr handle used by BE card */ - u32 beacon_state; /* for set_phys_id */ - - bool eeh_err; - bool link_up; - u32 port_num; - bool promiscuous; - bool wol; - u32 function_mode; - u32 function_caps; - u32 rx_fc; /* Rx flow control */ - u32 tx_fc; /* Tx flow control */ - bool ue_detected; - bool stats_cmd_sent; - int link_speed; - u8 port_type; - u8 transceiver; - u8 autoneg; - u8 generation; /* BladeEngine ASIC generation */ - u32 flash_status; - struct completion flash_compl; - - bool be3_native; - bool sriov_enabled; - struct be_vf_cfg *vf_cfg; - u8 is_virtfn; - u32 sli_family; - u8 hba_port_num; - u16 pvid; -}; - -#define be_physfn(adapter) (!adapter->is_virtfn) - -/* BladeEngine Generation numbers */ -#define BE_GEN2 2 -#define BE_GEN3 3 - -#define ON 1 -#define OFF 0 -#define lancer_chip(adapter) ((adapter->pdev->device == OC_DEVICE_ID3) || \ - (adapter->pdev->device == OC_DEVICE_ID4)) - -extern const struct ethtool_ops be_ethtool_ops; - -#define msix_enabled(adapter) (adapter->num_msix_vec > 0) -#define tx_stats(txo) (&txo->stats) -#define rx_stats(rxo) (&rxo->stats) - -#define BE_SET_NETDEV_OPS(netdev, ops) (netdev->netdev_ops = ops) - -#define for_all_rx_queues(adapter, rxo, i) \ - for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ - i++, rxo++) - -/* Just skip the first default non-rss queue */ -#define for_all_rss_queues(adapter, rxo, i) \ - for (i = 0, rxo = &adapter->rx_obj[i+1]; i < (adapter->num_rx_qs - 1);\ - i++, rxo++) - -#define for_all_tx_queues(adapter, txo, i) \ - for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \ - i++, txo++) - -#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; -} - -static inline void be_check_sriov_fn_type(struct be_adapter *adapter) -{ - u32 sli_intf; - - pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); - adapter->is_virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0; -} - -static inline void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac) -{ - u32 addr; - - addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0); - - mac[5] = (u8)(addr & 0xFF); - mac[4] = (u8)((addr >> 8) & 0xFF); - mac[3] = (u8)((addr >> 16) & 0xFF); - /* Use the OUI from the current MAC address */ - memcpy(mac, adapter->netdev->dev_addr, 3); -} - -static inline bool be_multi_rxq(const struct be_adapter *adapter) -{ - return adapter->num_rx_qs > 1; -} - -extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, - u16 num_popped); -extern void be_link_status_update(struct be_adapter *adapter, u32 link_status); -extern void be_parse_stats(struct be_adapter *adapter); -extern int be_load_fw(struct be_adapter *adapter, u8 *func); -#endif /* BE_H */ diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c deleted file mode 100644 index 427859532f0..00000000000 --- a/drivers/net/benet/be_cmds.c +++ /dev/null @@ -1,2367 +0,0 @@ -/* - * Copyright (C) 2005 - 2011 Emulex - * 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@emulex.com - * - * Emulex - * 3333 Susan Street - * Costa Mesa, CA 92626 - */ - -#include "be.h" -#include "be_cmds.h" - -/* Must be a power of 2 or else MODULO will BUG_ON */ -static int be_get_temp_freq = 32; - -static void be_mcc_notify(struct be_adapter *adapter) -{ - struct be_queue_info *mccq = &adapter->mcc_obj.q; - u32 val = 0; - - if (adapter->eeh_err) { - dev_info(&adapter->pdev->dev, - "Error in Card Detected! Cannot issue commands\n"); - return; - } - - val |= mccq->id & DB_MCCQ_RING_ID_MASK; - val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT; - - wmb(); - iowrite32(val, adapter->db + DB_MCCQ_OFFSET); -} - -/* To check if valid bit is set, check the entire word as we don't know - * the endianness of the data (old entry is host endian while a new entry is - * little endian) */ -static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl) -{ - if (compl->flags != 0) { - compl->flags = le32_to_cpu(compl->flags); - BUG_ON((compl->flags & CQE_FLAGS_VALID_MASK) == 0); - return true; - } else { - return false; - } -} - -/* Need to reset the entire word that houses the valid bit */ -static inline void be_mcc_compl_use(struct be_mcc_compl *compl) -{ - compl->flags = 0; -} - -static int be_mcc_compl_process(struct be_adapter *adapter, - struct be_mcc_compl *compl) -{ - u16 compl_status, extd_status; - - /* Just swap the status to host endian; mcc tag is opaquely copied - * from mcc_wrb */ - be_dws_le_to_cpu(compl, 4); - - compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) & - CQE_STATUS_COMPL_MASK; - - if (((compl->tag0 == OPCODE_COMMON_WRITE_FLASHROM) || - (compl->tag0 == OPCODE_COMMON_WRITE_OBJECT)) && - (compl->tag1 == CMD_SUBSYSTEM_COMMON)) { - adapter->flash_status = compl_status; - complete(&adapter->flash_compl); - } - - if (compl_status == MCC_STATUS_SUCCESS) { - if (((compl->tag0 == OPCODE_ETH_GET_STATISTICS) || - (compl->tag0 == OPCODE_ETH_GET_PPORT_STATS)) && - (compl->tag1 == CMD_SUBSYSTEM_ETH)) { - be_parse_stats(adapter); - adapter->stats_cmd_sent = false; - } - } else { - if (compl_status == MCC_STATUS_NOT_SUPPORTED || - compl_status == MCC_STATUS_ILLEGAL_REQUEST) - goto done; - - if (compl_status == MCC_STATUS_UNAUTHORIZED_REQUEST) { - dev_warn(&adapter->pdev->dev, "This domain(VM) is not " - "permitted to execute this cmd (opcode %d)\n", - compl->tag0); - } else { - extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) & - CQE_STATUS_EXTD_MASK; - dev_err(&adapter->pdev->dev, "Cmd (opcode %d) failed:" - "status %d, extd-status %d\n", - compl->tag0, compl_status, extd_status); - } - } -done: - return compl_status; -} - -/* Link state evt is a string of bytes; no need for endian swapping */ -static void be_async_link_state_process(struct be_adapter *adapter, - struct be_async_event_link_state *evt) -{ - be_link_status_update(adapter, evt->port_link_status); -} - -/* Grp5 CoS Priority evt */ -static void be_async_grp5_cos_priority_process(struct be_adapter *adapter, - struct be_async_event_grp5_cos_priority *evt) -{ - if (evt->valid) { - adapter->vlan_prio_bmap = evt->available_priority_bmap; - adapter->recommended_prio &= ~VLAN_PRIO_MASK; - adapter->recommended_prio = - evt->reco_default_priority << VLAN_PRIO_SHIFT; - } -} - -/* Grp5 QOS Speed evt */ -static void be_async_grp5_qos_speed_process(struct be_adapter *adapter, - struct be_async_event_grp5_qos_link_speed *evt) -{ - if (evt->physical_port == adapter->port_num) { - /* qos_link_speed is in units of 10 Mbps */ - adapter->link_speed = evt->qos_link_speed * 10; - } -} - -/*Grp5 PVID evt*/ -static void be_async_grp5_pvid_state_process(struct be_adapter *adapter, - struct be_async_event_grp5_pvid_state *evt) -{ - if (evt->enabled) - adapter->pvid = le16_to_cpu(evt->tag); - else - adapter->pvid = 0; -} - -static void be_async_grp5_evt_process(struct be_adapter *adapter, - u32 trailer, struct be_mcc_compl *evt) -{ - u8 event_type = 0; - - event_type = (trailer >> ASYNC_TRAILER_EVENT_TYPE_SHIFT) & - ASYNC_TRAILER_EVENT_TYPE_MASK; - - switch (event_type) { - case ASYNC_EVENT_COS_PRIORITY: - be_async_grp5_cos_priority_process(adapter, - (struct be_async_event_grp5_cos_priority *)evt); - break; - case ASYNC_EVENT_QOS_SPEED: - be_async_grp5_qos_speed_process(adapter, - (struct be_async_event_grp5_qos_link_speed *)evt); - break; - case ASYNC_EVENT_PVID_STATE: - be_async_grp5_pvid_state_process(adapter, - (struct be_async_event_grp5_pvid_state *)evt); - break; - default: - dev_warn(&adapter->pdev->dev, "Unknown grp5 event!\n"); - break; - } -} - -static inline bool is_link_state_evt(u32 trailer) -{ - return ((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) & - ASYNC_TRAILER_EVENT_CODE_MASK) == - ASYNC_EVENT_CODE_LINK_STATE; -} - -static inline bool is_grp5_evt(u32 trailer) -{ - return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) & - ASYNC_TRAILER_EVENT_CODE_MASK) == - ASYNC_EVENT_CODE_GRP_5); -} - -static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter) -{ - struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq; - struct be_mcc_compl *compl = queue_tail_node(mcc_cq); - - if (be_mcc_compl_is_new(compl)) { - queue_tail_inc(mcc_cq); - return compl; - } - return NULL; -} - -void be_async_mcc_enable(struct be_adapter *adapter) -{ - spin_lock_bh(&adapter->mcc_cq_lock); - - be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, 0); - adapter->mcc_obj.rearm_cq = true; - - spin_unlock_bh(&adapter->mcc_cq_lock); -} - -void be_async_mcc_disable(struct be_adapter *adapter) -{ - adapter->mcc_obj.rearm_cq = false; -} - -int be_process_mcc(struct be_adapter *adapter, int *status) -{ - struct be_mcc_compl *compl; - int num = 0; - struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; - - spin_lock_bh(&adapter->mcc_cq_lock); - while ((compl = be_mcc_compl_get(adapter))) { - if (compl->flags & CQE_FLAGS_ASYNC_MASK) { - /* Interpret flags as an async trailer */ - if (is_link_state_evt(compl->flags)) - be_async_link_state_process(adapter, - (struct be_async_event_link_state *) compl); - else if (is_grp5_evt(compl->flags)) - be_async_grp5_evt_process(adapter, - compl->flags, compl); - } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) { - *status = be_mcc_compl_process(adapter, compl); - atomic_dec(&mcc_obj->q.used); - } - be_mcc_compl_use(compl); - num++; - } - - spin_unlock_bh(&adapter->mcc_cq_lock); - return num; -} - -/* Wait till no more pending mcc requests are present */ -static int be_mcc_wait_compl(struct be_adapter *adapter) -{ -#define mcc_timeout 120000 /* 12s timeout */ - int i, num, status = 0; - struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; - - if (adapter->eeh_err) - return -EIO; - - for (i = 0; i < mcc_timeout; i++) { - num = be_process_mcc(adapter, &status); - if (num) - be_cq_notify(adapter, mcc_obj->cq.id, - mcc_obj->rearm_cq, num); - - if (atomic_read(&mcc_obj->q.used) == 0) - break; - udelay(100); - } - if (i == mcc_timeout) { - dev_err(&adapter->pdev->dev, "mccq poll timed out\n"); - return -1; - } - return status; -} - -/* Notify MCC requests and wait for completion */ -static int be_mcc_notify_wait(struct be_adapter *adapter) -{ - be_mcc_notify(adapter); - return be_mcc_wait_compl(adapter); -} - -static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db) -{ - int msecs = 0; - u32 ready; - - if (adapter->eeh_err) { - dev_err(&adapter->pdev->dev, - "Error detected in card.Cannot issue commands\n"); - return -EIO; - } - - do { - ready = ioread32(db); - if (ready == 0xffffffff) { - dev_err(&adapter->pdev->dev, - "pci slot disconnected\n"); - return -1; - } - - ready &= MPU_MAILBOX_DB_RDY_MASK; - if (ready) - break; - - if (msecs > 4000) { - dev_err(&adapter->pdev->dev, "mbox poll timed out\n"); - if (!lancer_chip(adapter)) - be_detect_dump_ue(adapter); - return -1; - } - - msleep(1); - msecs++; - } while (true); - - return 0; -} - -/* - * Insert the mailbox address into the doorbell in two steps - * Polls on the mbox doorbell till a command completion (or a timeout) occurs - */ -static int be_mbox_notify_wait(struct be_adapter *adapter) -{ - int status; - u32 val = 0; - void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET; - struct be_dma_mem *mbox_mem = &adapter->mbox_mem; - struct be_mcc_mailbox *mbox = mbox_mem->va; - struct be_mcc_compl *compl = &mbox->compl; - - /* wait for ready to be set */ - status = be_mbox_db_ready_wait(adapter, db); - if (status != 0) - return status; - - 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(adapter, db); - if (status != 0) - return status; - - val = 0; - /* 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(adapter, db); - if (status != 0) - return status; - - /* A cq entry has been made now */ - if (be_mcc_compl_is_new(compl)) { - status = be_mcc_compl_process(adapter, &mbox->compl); - be_mcc_compl_use(compl); - if (status) - return status; - } else { - dev_err(&adapter->pdev->dev, "invalid mailbox completion\n"); - return -1; - } - return 0; -} - -static int be_POST_stage_get(struct be_adapter *adapter, u16 *stage) -{ - u32 sem; - - if (lancer_chip(adapter)) - sem = ioread32(adapter->db + MPU_EP_SEMAPHORE_IF_TYPE2_OFFSET); - else - sem = ioread32(adapter->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; -} - -int be_cmd_POST(struct be_adapter *adapter) -{ - u16 stage; - int status, timeout = 0; - struct device *dev = &adapter->pdev->dev; - - do { - status = be_POST_stage_get(adapter, &stage); - if (status) { - dev_err(dev, "POST error; stage=0x%x\n", stage); - return -1; - } else if (stage != POST_STAGE_ARMFW_RDY) { - if (msleep_interruptible(2000)) { - dev_err(dev, "Waiting for POST aborted\n"); - return -EINTR; - } - timeout += 2; - } else { - return 0; - } - } while (timeout < 40); - - dev_err(dev, "POST timeout; stage=0x%x\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, u32 opcode) -{ - 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; - wrb->tag0 = opcode; - be_dws_cpu_to_le(wrb, 8); -} - -/* 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)); - req_hdr->version = 0; -} - -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_adapter *adapter) -{ - struct be_dma_mem *mbox_mem = &adapter->mbox_mem; - struct be_mcc_wrb *wrb - = &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb; - memset(wrb, 0, sizeof(*wrb)); - return wrb; -} - -static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter) -{ - struct be_queue_info *mccq = &adapter->mcc_obj.q; - struct be_mcc_wrb *wrb; - - if (atomic_read(&mccq->used) >= mccq->len) { - dev_err(&adapter->pdev->dev, "Out of MCCQ wrbs\n"); - return NULL; - } - - wrb = queue_head_node(mccq); - queue_head_inc(mccq); - atomic_inc(&mccq->used); - memset(wrb, 0, sizeof(*wrb)); - return wrb; -} - -/* Tell fw we're about to start firing cmds by writing a - * special pattern across the wrb hdr; uses mbox - */ -int be_cmd_fw_init(struct be_adapter *adapter) -{ - u8 *wrb; - int status; - - if (mutex_lock_interruptible(&adapter->mbox_lock)) - return -1; - - wrb = (u8 *)wrb_from_mbox(adapter); - *wrb++ = 0xFF; - *wrb++ = 0x12; - *wrb++ = 0x34; - *wrb++ = 0xFF; - *wrb++ = 0xFF; - *wrb++ = 0x56; - *wrb++ = 0x78; - *wrb = 0xFF; - - status = be_mbox_notify_wait(adapter); - - mutex_unlock(&adapter->mbox_lock); - return status; -} - -/* Tell fw we're done with firing cmds by writing a - * special pattern across the wrb hdr; uses mbox - */ -int be_cmd_fw_clean(struct be_adapter *adapter) -{ - u8 *wrb; - int status; - - if (adapter->eeh_err) - return -EIO; - - if (mutex_lock_interruptible(&adapter->mbox_lock)) - return -1; - - wrb = (u8 *)wrb_from_mbox(adapter); - *wrb++ = 0xFF; - *wrb++ = 0xAA; - *wrb++ = 0xBB; - *wrb++ = 0xFF; - *wrb++ = 0xFF; - *wrb++ = 0xCC; - *wrb++ = 0xDD; - *wrb = 0xFF; - - status = be_mbox_notify_wait(adapter); - - mutex_unlock(&adapter->mbox_lock); - return status; -} -int be_cmd_eq_create(struct be_adapter *adapter, - struct be_queue_info *eq, int eq_delay) -{ - struct be_mcc_wrb *wrb; - struct be_cmd_req_eq_create *req; - struct be_dma_mem *q_mem = &eq->dma_mem; - int status; - - if (mutex_lock_interruptible(&adapter->mbox_lock)) - return -1; - - wrb = wrb_from_mbox(ada |