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- /* bnx2.c: QLogic bnx2 network driver.
- *
- * Copyright (c) 2004-2014 Broadcom Corporation
- * Copyright (c) 2014-2015 QLogic Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation.
- *
- * Written by: Michael Chan ([email protected])
- */
- #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
- #include <linux/module.h>
- #include <linux/moduleparam.h>
- #include <linux/stringify.h>
- #include <linux/kernel.h>
- #include <linux/timer.h>
- #include <linux/errno.h>
- #include <linux/ioport.h>
- #include <linux/slab.h>
- #include <linux/vmalloc.h>
- #include <linux/interrupt.h>
- #include <linux/pci.h>
- #include <linux/netdevice.h>
- #include <linux/etherdevice.h>
- #include <linux/skbuff.h>
- #include <linux/dma-mapping.h>
- #include <linux/bitops.h>
- #include <asm/io.h>
- #include <asm/irq.h>
- #include <linux/delay.h>
- #include <asm/byteorder.h>
- #include <asm/page.h>
- #include <linux/time.h>
- #include <linux/ethtool.h>
- #include <linux/mii.h>
- #include <linux/if.h>
- #include <linux/if_vlan.h>
- #include <net/ip.h>
- #include <net/tcp.h>
- #include <net/checksum.h>
- #include <linux/workqueue.h>
- #include <linux/crc32.h>
- #include <linux/prefetch.h>
- #include <linux/cache.h>
- #include <linux/firmware.h>
- #include <linux/log2.h>
- #include <linux/aer.h>
- #include <linux/crash_dump.h>
- #if IS_ENABLED(CONFIG_CNIC)
- #define BCM_CNIC 1
- #include "cnic_if.h"
- #endif
- #include "bnx2.h"
- #include "bnx2_fw.h"
- #define DRV_MODULE_NAME "bnx2"
- #define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.3.fw"
- #define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
- #define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1b.fw"
- #define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw"
- #define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw"
- #define RUN_AT(x) (jiffies + (x))
- /* Time in jiffies before concluding the transmitter is hung. */
- #define TX_TIMEOUT (5*HZ)
- MODULE_AUTHOR("Michael Chan <[email protected]>");
- MODULE_DESCRIPTION("QLogic BCM5706/5708/5709/5716 Driver");
- MODULE_LICENSE("GPL");
- MODULE_FIRMWARE(FW_MIPS_FILE_06);
- MODULE_FIRMWARE(FW_RV2P_FILE_06);
- MODULE_FIRMWARE(FW_MIPS_FILE_09);
- MODULE_FIRMWARE(FW_RV2P_FILE_09);
- MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
- static int disable_msi = 0;
- module_param(disable_msi, int, 0444);
- MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
- typedef enum {
- BCM5706 = 0,
- NC370T,
- NC370I,
- BCM5706S,
- NC370F,
- BCM5708,
- BCM5708S,
- BCM5709,
- BCM5709S,
- BCM5716,
- BCM5716S,
- } board_t;
- /* indexed by board_t, above */
- static struct {
- char *name;
- } board_info[] = {
- { "Broadcom NetXtreme II BCM5706 1000Base-T" },
- { "HP NC370T Multifunction Gigabit Server Adapter" },
- { "HP NC370i Multifunction Gigabit Server Adapter" },
- { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
- { "HP NC370F Multifunction Gigabit Server Adapter" },
- { "Broadcom NetXtreme II BCM5708 1000Base-T" },
- { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
- { "Broadcom NetXtreme II BCM5709 1000Base-T" },
- { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
- { "Broadcom NetXtreme II BCM5716 1000Base-T" },
- { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
- };
- static const struct pci_device_id bnx2_pci_tbl[] = {
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
- PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
- PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
- PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
- { PCI_VENDOR_ID_BROADCOM, 0x163b,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
- { PCI_VENDOR_ID_BROADCOM, 0x163c,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
- { 0, }
- };
- static const struct flash_spec flash_table[] =
- {
- #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
- #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
- /* Slow EEPROM */
- {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
- BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
- SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
- "EEPROM - slow"},
- /* Expansion entry 0001 */
- {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
- SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
- "Entry 0001"},
- /* Saifun SA25F010 (non-buffered flash) */
- /* strap, cfg1, & write1 need updates */
- {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
- SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
- "Non-buffered flash (128kB)"},
- /* Saifun SA25F020 (non-buffered flash) */
- /* strap, cfg1, & write1 need updates */
- {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
- SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
- "Non-buffered flash (256kB)"},
- /* Expansion entry 0100 */
- {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
- SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
- "Entry 0100"},
- /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
- {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
- ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
- "Entry 0101: ST M45PE10 (128kB non-buffered)"},
- /* Entry 0110: ST M45PE20 (non-buffered flash)*/
- {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
- ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
- "Entry 0110: ST M45PE20 (256kB non-buffered)"},
- /* Saifun SA25F005 (non-buffered flash) */
- /* strap, cfg1, & write1 need updates */
- {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
- SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
- "Non-buffered flash (64kB)"},
- /* Fast EEPROM */
- {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
- BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
- SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
- "EEPROM - fast"},
- /* Expansion entry 1001 */
- {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
- SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
- "Entry 1001"},
- /* Expansion entry 1010 */
- {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
- SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
- "Entry 1010"},
- /* ATMEL AT45DB011B (buffered flash) */
- {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
- BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
- BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
- "Buffered flash (128kB)"},
- /* Expansion entry 1100 */
- {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
- SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
- "Entry 1100"},
- /* Expansion entry 1101 */
- {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
- NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
- SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
- "Entry 1101"},
- /* Ateml Expansion entry 1110 */
- {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
- BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
- BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
- "Entry 1110 (Atmel)"},
- /* ATMEL AT45DB021B (buffered flash) */
- {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
- BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
- BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
- "Buffered flash (256kB)"},
- };
- static const struct flash_spec flash_5709 = {
- .flags = BNX2_NV_BUFFERED,
- .page_bits = BCM5709_FLASH_PAGE_BITS,
- .page_size = BCM5709_FLASH_PAGE_SIZE,
- .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
- .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
- .name = "5709 Buffered flash (256kB)",
- };
- MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
- static void bnx2_init_napi(struct bnx2 *bp);
- static void bnx2_del_napi(struct bnx2 *bp);
- static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
- {
- u32 diff;
- /* The ring uses 256 indices for 255 entries, one of them
- * needs to be skipped.
- */
- diff = READ_ONCE(txr->tx_prod) - READ_ONCE(txr->tx_cons);
- if (unlikely(diff >= BNX2_TX_DESC_CNT)) {
- diff &= 0xffff;
- if (diff == BNX2_TX_DESC_CNT)
- diff = BNX2_MAX_TX_DESC_CNT;
- }
- return bp->tx_ring_size - diff;
- }
- static u32
- bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
- {
- unsigned long flags;
- u32 val;
- spin_lock_irqsave(&bp->indirect_lock, flags);
- BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
- val = BNX2_RD(bp, BNX2_PCICFG_REG_WINDOW);
- spin_unlock_irqrestore(&bp->indirect_lock, flags);
- return val;
- }
- static void
- bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
- {
- unsigned long flags;
- spin_lock_irqsave(&bp->indirect_lock, flags);
- BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
- BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
- spin_unlock_irqrestore(&bp->indirect_lock, flags);
- }
- static void
- bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
- {
- bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
- }
- static u32
- bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
- {
- return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
- }
- static void
- bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
- {
- unsigned long flags;
- offset += cid_addr;
- spin_lock_irqsave(&bp->indirect_lock, flags);
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- int i;
- BNX2_WR(bp, BNX2_CTX_CTX_DATA, val);
- BNX2_WR(bp, BNX2_CTX_CTX_CTRL,
- offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
- for (i = 0; i < 5; i++) {
- val = BNX2_RD(bp, BNX2_CTX_CTX_CTRL);
- if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
- break;
- udelay(5);
- }
- } else {
- BNX2_WR(bp, BNX2_CTX_DATA_ADR, offset);
- BNX2_WR(bp, BNX2_CTX_DATA, val);
- }
- spin_unlock_irqrestore(&bp->indirect_lock, flags);
- }
- #ifdef BCM_CNIC
- static int
- bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
- {
- struct bnx2 *bp = netdev_priv(dev);
- struct drv_ctl_io *io = &info->data.io;
- switch (info->cmd) {
- case DRV_CTL_IO_WR_CMD:
- bnx2_reg_wr_ind(bp, io->offset, io->data);
- break;
- case DRV_CTL_IO_RD_CMD:
- io->data = bnx2_reg_rd_ind(bp, io->offset);
- break;
- case DRV_CTL_CTX_WR_CMD:
- bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
- break;
- default:
- return -EINVAL;
- }
- return 0;
- }
- static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
- {
- struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
- struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
- int sb_id;
- if (bp->flags & BNX2_FLAG_USING_MSIX) {
- cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
- bnapi->cnic_present = 0;
- sb_id = bp->irq_nvecs;
- cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
- } else {
- cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
- bnapi->cnic_tag = bnapi->last_status_idx;
- bnapi->cnic_present = 1;
- sb_id = 0;
- cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
- }
- cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
- cp->irq_arr[0].status_blk = (void *)
- ((unsigned long) bnapi->status_blk.msi +
- (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
- cp->irq_arr[0].status_blk_num = sb_id;
- cp->num_irq = 1;
- }
- static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
- void *data)
- {
- struct bnx2 *bp = netdev_priv(dev);
- struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
- if (!ops)
- return -EINVAL;
- if (cp->drv_state & CNIC_DRV_STATE_REGD)
- return -EBUSY;
- if (!bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN))
- return -ENODEV;
- bp->cnic_data = data;
- rcu_assign_pointer(bp->cnic_ops, ops);
- cp->num_irq = 0;
- cp->drv_state = CNIC_DRV_STATE_REGD;
- bnx2_setup_cnic_irq_info(bp);
- return 0;
- }
- static int bnx2_unregister_cnic(struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
- struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
- mutex_lock(&bp->cnic_lock);
- cp->drv_state = 0;
- bnapi->cnic_present = 0;
- RCU_INIT_POINTER(bp->cnic_ops, NULL);
- mutex_unlock(&bp->cnic_lock);
- synchronize_rcu();
- return 0;
- }
- static struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
- if (!cp->max_iscsi_conn)
- return NULL;
- cp->drv_owner = THIS_MODULE;
- cp->chip_id = bp->chip_id;
- cp->pdev = bp->pdev;
- cp->io_base = bp->regview;
- cp->drv_ctl = bnx2_drv_ctl;
- cp->drv_register_cnic = bnx2_register_cnic;
- cp->drv_unregister_cnic = bnx2_unregister_cnic;
- return cp;
- }
- static void
- bnx2_cnic_stop(struct bnx2 *bp)
- {
- struct cnic_ops *c_ops;
- struct cnic_ctl_info info;
- mutex_lock(&bp->cnic_lock);
- c_ops = rcu_dereference_protected(bp->cnic_ops,
- lockdep_is_held(&bp->cnic_lock));
- if (c_ops) {
- info.cmd = CNIC_CTL_STOP_CMD;
- c_ops->cnic_ctl(bp->cnic_data, &info);
- }
- mutex_unlock(&bp->cnic_lock);
- }
- static void
- bnx2_cnic_start(struct bnx2 *bp)
- {
- struct cnic_ops *c_ops;
- struct cnic_ctl_info info;
- mutex_lock(&bp->cnic_lock);
- c_ops = rcu_dereference_protected(bp->cnic_ops,
- lockdep_is_held(&bp->cnic_lock));
- if (c_ops) {
- if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
- struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
- bnapi->cnic_tag = bnapi->last_status_idx;
- }
- info.cmd = CNIC_CTL_START_CMD;
- c_ops->cnic_ctl(bp->cnic_data, &info);
- }
- mutex_unlock(&bp->cnic_lock);
- }
- #else
- static void
- bnx2_cnic_stop(struct bnx2 *bp)
- {
- }
- static void
- bnx2_cnic_start(struct bnx2 *bp)
- {
- }
- #endif
- static int
- bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
- {
- u32 val1;
- int i, ret;
- if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
- val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
- val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
- BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
- BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
- udelay(40);
- }
- val1 = (bp->phy_addr << 21) | (reg << 16) |
- BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
- BNX2_EMAC_MDIO_COMM_START_BUSY;
- BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
- for (i = 0; i < 50; i++) {
- udelay(10);
- val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
- if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
- udelay(5);
- val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
- val1 &= BNX2_EMAC_MDIO_COMM_DATA;
- break;
- }
- }
- if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
- *val = 0x0;
- ret = -EBUSY;
- }
- else {
- *val = val1;
- ret = 0;
- }
- if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
- val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
- val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
- BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
- BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
- udelay(40);
- }
- return ret;
- }
- static int
- bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
- {
- u32 val1;
- int i, ret;
- if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
- val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
- val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
- BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
- BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
- udelay(40);
- }
- val1 = (bp->phy_addr << 21) | (reg << 16) | val |
- BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
- BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
- BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
- for (i = 0; i < 50; i++) {
- udelay(10);
- val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
- if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
- udelay(5);
- break;
- }
- }
- if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
- ret = -EBUSY;
- else
- ret = 0;
- if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
- val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
- val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
- BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
- BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
- udelay(40);
- }
- return ret;
- }
- static void
- bnx2_disable_int(struct bnx2 *bp)
- {
- int i;
- struct bnx2_napi *bnapi;
- for (i = 0; i < bp->irq_nvecs; i++) {
- bnapi = &bp->bnx2_napi[i];
- BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
- BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
- }
- BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
- }
- static void
- bnx2_enable_int(struct bnx2 *bp)
- {
- int i;
- struct bnx2_napi *bnapi;
- for (i = 0; i < bp->irq_nvecs; i++) {
- bnapi = &bp->bnx2_napi[i];
- BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
- BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
- BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
- bnapi->last_status_idx);
- BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
- BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
- bnapi->last_status_idx);
- }
- BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
- }
- static void
- bnx2_disable_int_sync(struct bnx2 *bp)
- {
- int i;
- atomic_inc(&bp->intr_sem);
- if (!netif_running(bp->dev))
- return;
- bnx2_disable_int(bp);
- for (i = 0; i < bp->irq_nvecs; i++)
- synchronize_irq(bp->irq_tbl[i].vector);
- }
- static void
- bnx2_napi_disable(struct bnx2 *bp)
- {
- int i;
- for (i = 0; i < bp->irq_nvecs; i++)
- napi_disable(&bp->bnx2_napi[i].napi);
- }
- static void
- bnx2_napi_enable(struct bnx2 *bp)
- {
- int i;
- for (i = 0; i < bp->irq_nvecs; i++)
- napi_enable(&bp->bnx2_napi[i].napi);
- }
- static void
- bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
- {
- if (stop_cnic)
- bnx2_cnic_stop(bp);
- if (netif_running(bp->dev)) {
- bnx2_napi_disable(bp);
- netif_tx_disable(bp->dev);
- }
- bnx2_disable_int_sync(bp);
- netif_carrier_off(bp->dev); /* prevent tx timeout */
- }
- static void
- bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
- {
- if (atomic_dec_and_test(&bp->intr_sem)) {
- if (netif_running(bp->dev)) {
- netif_tx_wake_all_queues(bp->dev);
- spin_lock_bh(&bp->phy_lock);
- if (bp->link_up)
- netif_carrier_on(bp->dev);
- spin_unlock_bh(&bp->phy_lock);
- bnx2_napi_enable(bp);
- bnx2_enable_int(bp);
- if (start_cnic)
- bnx2_cnic_start(bp);
- }
- }
- }
- static void
- bnx2_free_tx_mem(struct bnx2 *bp)
- {
- int i;
- for (i = 0; i < bp->num_tx_rings; i++) {
- struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
- struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
- if (txr->tx_desc_ring) {
- dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
- txr->tx_desc_ring,
- txr->tx_desc_mapping);
- txr->tx_desc_ring = NULL;
- }
- kfree(txr->tx_buf_ring);
- txr->tx_buf_ring = NULL;
- }
- }
- static void
- bnx2_free_rx_mem(struct bnx2 *bp)
- {
- int i;
- for (i = 0; i < bp->num_rx_rings; i++) {
- struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
- struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
- int j;
- for (j = 0; j < bp->rx_max_ring; j++) {
- if (rxr->rx_desc_ring[j])
- dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
- rxr->rx_desc_ring[j],
- rxr->rx_desc_mapping[j]);
- rxr->rx_desc_ring[j] = NULL;
- }
- vfree(rxr->rx_buf_ring);
- rxr->rx_buf_ring = NULL;
- for (j = 0; j < bp->rx_max_pg_ring; j++) {
- if (rxr->rx_pg_desc_ring[j])
- dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
- rxr->rx_pg_desc_ring[j],
- rxr->rx_pg_desc_mapping[j]);
- rxr->rx_pg_desc_ring[j] = NULL;
- }
- vfree(rxr->rx_pg_ring);
- rxr->rx_pg_ring = NULL;
- }
- }
- static int
- bnx2_alloc_tx_mem(struct bnx2 *bp)
- {
- int i;
- for (i = 0; i < bp->num_tx_rings; i++) {
- struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
- struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
- txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
- if (!txr->tx_buf_ring)
- return -ENOMEM;
- txr->tx_desc_ring =
- dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
- &txr->tx_desc_mapping, GFP_KERNEL);
- if (!txr->tx_desc_ring)
- return -ENOMEM;
- }
- return 0;
- }
- static int
- bnx2_alloc_rx_mem(struct bnx2 *bp)
- {
- int i;
- for (i = 0; i < bp->num_rx_rings; i++) {
- struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
- struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
- int j;
- rxr->rx_buf_ring =
- vzalloc(array_size(SW_RXBD_RING_SIZE, bp->rx_max_ring));
- if (!rxr->rx_buf_ring)
- return -ENOMEM;
- for (j = 0; j < bp->rx_max_ring; j++) {
- rxr->rx_desc_ring[j] =
- dma_alloc_coherent(&bp->pdev->dev,
- RXBD_RING_SIZE,
- &rxr->rx_desc_mapping[j],
- GFP_KERNEL);
- if (!rxr->rx_desc_ring[j])
- return -ENOMEM;
- }
- if (bp->rx_pg_ring_size) {
- rxr->rx_pg_ring =
- vzalloc(array_size(SW_RXPG_RING_SIZE,
- bp->rx_max_pg_ring));
- if (!rxr->rx_pg_ring)
- return -ENOMEM;
- }
- for (j = 0; j < bp->rx_max_pg_ring; j++) {
- rxr->rx_pg_desc_ring[j] =
- dma_alloc_coherent(&bp->pdev->dev,
- RXBD_RING_SIZE,
- &rxr->rx_pg_desc_mapping[j],
- GFP_KERNEL);
- if (!rxr->rx_pg_desc_ring[j])
- return -ENOMEM;
- }
- }
- return 0;
- }
- static void
- bnx2_free_stats_blk(struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- if (bp->status_blk) {
- dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
- bp->status_blk,
- bp->status_blk_mapping);
- bp->status_blk = NULL;
- bp->stats_blk = NULL;
- }
- }
- static int
- bnx2_alloc_stats_blk(struct net_device *dev)
- {
- int status_blk_size;
- void *status_blk;
- struct bnx2 *bp = netdev_priv(dev);
- /* Combine status and statistics blocks into one allocation. */
- status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
- if (bp->flags & BNX2_FLAG_MSIX_CAP)
- status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
- BNX2_SBLK_MSIX_ALIGN_SIZE);
- bp->status_stats_size = status_blk_size +
- sizeof(struct statistics_block);
- status_blk = dma_alloc_coherent(&bp->pdev->dev, bp->status_stats_size,
- &bp->status_blk_mapping, GFP_KERNEL);
- if (!status_blk)
- return -ENOMEM;
- bp->status_blk = status_blk;
- bp->stats_blk = status_blk + status_blk_size;
- bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
- return 0;
- }
- static void
- bnx2_free_mem(struct bnx2 *bp)
- {
- int i;
- struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
- bnx2_free_tx_mem(bp);
- bnx2_free_rx_mem(bp);
- for (i = 0; i < bp->ctx_pages; i++) {
- if (bp->ctx_blk[i]) {
- dma_free_coherent(&bp->pdev->dev, BNX2_PAGE_SIZE,
- bp->ctx_blk[i],
- bp->ctx_blk_mapping[i]);
- bp->ctx_blk[i] = NULL;
- }
- }
- if (bnapi->status_blk.msi)
- bnapi->status_blk.msi = NULL;
- }
- static int
- bnx2_alloc_mem(struct bnx2 *bp)
- {
- int i, err;
- struct bnx2_napi *bnapi;
- bnapi = &bp->bnx2_napi[0];
- bnapi->status_blk.msi = bp->status_blk;
- bnapi->hw_tx_cons_ptr =
- &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
- bnapi->hw_rx_cons_ptr =
- &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
- if (bp->flags & BNX2_FLAG_MSIX_CAP) {
- for (i = 1; i < bp->irq_nvecs; i++) {
- struct status_block_msix *sblk;
- bnapi = &bp->bnx2_napi[i];
- sblk = (bp->status_blk + BNX2_SBLK_MSIX_ALIGN_SIZE * i);
- bnapi->status_blk.msix = sblk;
- bnapi->hw_tx_cons_ptr =
- &sblk->status_tx_quick_consumer_index;
- bnapi->hw_rx_cons_ptr =
- &sblk->status_rx_quick_consumer_index;
- bnapi->int_num = i << 24;
- }
- }
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- bp->ctx_pages = 0x2000 / BNX2_PAGE_SIZE;
- if (bp->ctx_pages == 0)
- bp->ctx_pages = 1;
- for (i = 0; i < bp->ctx_pages; i++) {
- bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev,
- BNX2_PAGE_SIZE,
- &bp->ctx_blk_mapping[i],
- GFP_KERNEL);
- if (!bp->ctx_blk[i])
- goto alloc_mem_err;
- }
- }
- err = bnx2_alloc_rx_mem(bp);
- if (err)
- goto alloc_mem_err;
- err = bnx2_alloc_tx_mem(bp);
- if (err)
- goto alloc_mem_err;
- return 0;
- alloc_mem_err:
- bnx2_free_mem(bp);
- return -ENOMEM;
- }
- static void
- bnx2_report_fw_link(struct bnx2 *bp)
- {
- u32 fw_link_status = 0;
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
- return;
- if (bp->link_up) {
- u32 bmsr;
- switch (bp->line_speed) {
- case SPEED_10:
- if (bp->duplex == DUPLEX_HALF)
- fw_link_status = BNX2_LINK_STATUS_10HALF;
- else
- fw_link_status = BNX2_LINK_STATUS_10FULL;
- break;
- case SPEED_100:
- if (bp->duplex == DUPLEX_HALF)
- fw_link_status = BNX2_LINK_STATUS_100HALF;
- else
- fw_link_status = BNX2_LINK_STATUS_100FULL;
- break;
- case SPEED_1000:
- if (bp->duplex == DUPLEX_HALF)
- fw_link_status = BNX2_LINK_STATUS_1000HALF;
- else
- fw_link_status = BNX2_LINK_STATUS_1000FULL;
- break;
- case SPEED_2500:
- if (bp->duplex == DUPLEX_HALF)
- fw_link_status = BNX2_LINK_STATUS_2500HALF;
- else
- fw_link_status = BNX2_LINK_STATUS_2500FULL;
- break;
- }
- fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
- if (bp->autoneg) {
- fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
- bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
- bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
- if (!(bmsr & BMSR_ANEGCOMPLETE) ||
- bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
- fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
- else
- fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
- }
- }
- else
- fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
- bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
- }
- static char *
- bnx2_xceiver_str(struct bnx2 *bp)
- {
- return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
- ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
- "Copper");
- }
- static void
- bnx2_report_link(struct bnx2 *bp)
- {
- if (bp->link_up) {
- netif_carrier_on(bp->dev);
- netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
- bnx2_xceiver_str(bp),
- bp->line_speed,
- bp->duplex == DUPLEX_FULL ? "full" : "half");
- if (bp->flow_ctrl) {
- if (bp->flow_ctrl & FLOW_CTRL_RX) {
- pr_cont(", receive ");
- if (bp->flow_ctrl & FLOW_CTRL_TX)
- pr_cont("& transmit ");
- }
- else {
- pr_cont(", transmit ");
- }
- pr_cont("flow control ON");
- }
- pr_cont("\n");
- } else {
- netif_carrier_off(bp->dev);
- netdev_err(bp->dev, "NIC %s Link is Down\n",
- bnx2_xceiver_str(bp));
- }
- bnx2_report_fw_link(bp);
- }
- static void
- bnx2_resolve_flow_ctrl(struct bnx2 *bp)
- {
- u32 local_adv, remote_adv;
- bp->flow_ctrl = 0;
- if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
- (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
- if (bp->duplex == DUPLEX_FULL) {
- bp->flow_ctrl = bp->req_flow_ctrl;
- }
- return;
- }
- if (bp->duplex != DUPLEX_FULL) {
- return;
- }
- if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
- (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
- u32 val;
- bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
- if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
- bp->flow_ctrl |= FLOW_CTRL_TX;
- if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
- bp->flow_ctrl |= FLOW_CTRL_RX;
- return;
- }
- bnx2_read_phy(bp, bp->mii_adv, &local_adv);
- bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- u32 new_local_adv = 0;
- u32 new_remote_adv = 0;
- if (local_adv & ADVERTISE_1000XPAUSE)
- new_local_adv |= ADVERTISE_PAUSE_CAP;
- if (local_adv & ADVERTISE_1000XPSE_ASYM)
- new_local_adv |= ADVERTISE_PAUSE_ASYM;
- if (remote_adv & ADVERTISE_1000XPAUSE)
- new_remote_adv |= ADVERTISE_PAUSE_CAP;
- if (remote_adv & ADVERTISE_1000XPSE_ASYM)
- new_remote_adv |= ADVERTISE_PAUSE_ASYM;
- local_adv = new_local_adv;
- remote_adv = new_remote_adv;
- }
- /* See Table 28B-3 of 802.3ab-1999 spec. */
- if (local_adv & ADVERTISE_PAUSE_CAP) {
- if(local_adv & ADVERTISE_PAUSE_ASYM) {
- if (remote_adv & ADVERTISE_PAUSE_CAP) {
- bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
- }
- else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
- bp->flow_ctrl = FLOW_CTRL_RX;
- }
- }
- else {
- if (remote_adv & ADVERTISE_PAUSE_CAP) {
- bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
- }
- }
- }
- else if (local_adv & ADVERTISE_PAUSE_ASYM) {
- if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
- (remote_adv & ADVERTISE_PAUSE_ASYM)) {
- bp->flow_ctrl = FLOW_CTRL_TX;
- }
- }
- }
- static int
- bnx2_5709s_linkup(struct bnx2 *bp)
- {
- u32 val, speed;
- bp->link_up = 1;
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
- bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
- if ((bp->autoneg & AUTONEG_SPEED) == 0) {
- bp->line_speed = bp->req_line_speed;
- bp->duplex = bp->req_duplex;
- return 0;
- }
- speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
- switch (speed) {
- case MII_BNX2_GP_TOP_AN_SPEED_10:
- bp->line_speed = SPEED_10;
- break;
- case MII_BNX2_GP_TOP_AN_SPEED_100:
- bp->line_speed = SPEED_100;
- break;
- case MII_BNX2_GP_TOP_AN_SPEED_1G:
- case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
- bp->line_speed = SPEED_1000;
- break;
- case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
- bp->line_speed = SPEED_2500;
- break;
- }
- if (val & MII_BNX2_GP_TOP_AN_FD)
- bp->duplex = DUPLEX_FULL;
- else
- bp->duplex = DUPLEX_HALF;
- return 0;
- }
- static int
- bnx2_5708s_linkup(struct bnx2 *bp)
- {
- u32 val;
- bp->link_up = 1;
- bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
- switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
- case BCM5708S_1000X_STAT1_SPEED_10:
- bp->line_speed = SPEED_10;
- break;
- case BCM5708S_1000X_STAT1_SPEED_100:
- bp->line_speed = SPEED_100;
- break;
- case BCM5708S_1000X_STAT1_SPEED_1G:
- bp->line_speed = SPEED_1000;
- break;
- case BCM5708S_1000X_STAT1_SPEED_2G5:
- bp->line_speed = SPEED_2500;
- break;
- }
- if (val & BCM5708S_1000X_STAT1_FD)
- bp->duplex = DUPLEX_FULL;
- else
- bp->duplex = DUPLEX_HALF;
- return 0;
- }
- static int
- bnx2_5706s_linkup(struct bnx2 *bp)
- {
- u32 bmcr, local_adv, remote_adv, common;
- bp->link_up = 1;
- bp->line_speed = SPEED_1000;
- bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- if (bmcr & BMCR_FULLDPLX) {
- bp->duplex = DUPLEX_FULL;
- }
- else {
- bp->duplex = DUPLEX_HALF;
- }
- if (!(bmcr & BMCR_ANENABLE)) {
- return 0;
- }
- bnx2_read_phy(bp, bp->mii_adv, &local_adv);
- bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
- common = local_adv & remote_adv;
- if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
- if (common & ADVERTISE_1000XFULL) {
- bp->duplex = DUPLEX_FULL;
- }
- else {
- bp->duplex = DUPLEX_HALF;
- }
- }
- return 0;
- }
- static int
- bnx2_copper_linkup(struct bnx2 *bp)
- {
- u32 bmcr;
- bp->phy_flags &= ~BNX2_PHY_FLAG_MDIX;
- bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- if (bmcr & BMCR_ANENABLE) {
- u32 local_adv, remote_adv, common;
- bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
- bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
- common = local_adv & (remote_adv >> 2);
- if (common & ADVERTISE_1000FULL) {
- bp->line_speed = SPEED_1000;
- bp->duplex = DUPLEX_FULL;
- }
- else if (common & ADVERTISE_1000HALF) {
- bp->line_speed = SPEED_1000;
- bp->duplex = DUPLEX_HALF;
- }
- else {
- bnx2_read_phy(bp, bp->mii_adv, &local_adv);
- bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
- common = local_adv & remote_adv;
- if (common & ADVERTISE_100FULL) {
- bp->line_speed = SPEED_100;
- bp->duplex = DUPLEX_FULL;
- }
- else if (common & ADVERTISE_100HALF) {
- bp->line_speed = SPEED_100;
- bp->duplex = DUPLEX_HALF;
- }
- else if (common & ADVERTISE_10FULL) {
- bp->line_speed = SPEED_10;
- bp->duplex = DUPLEX_FULL;
- }
- else if (common & ADVERTISE_10HALF) {
- bp->line_speed = SPEED_10;
- bp->duplex = DUPLEX_HALF;
- }
- else {
- bp->line_speed = 0;
- bp->link_up = 0;
- }
- }
- }
- else {
- if (bmcr & BMCR_SPEED100) {
- bp->line_speed = SPEED_100;
- }
- else {
- bp->line_speed = SPEED_10;
- }
- if (bmcr & BMCR_FULLDPLX) {
- bp->duplex = DUPLEX_FULL;
- }
- else {
- bp->duplex = DUPLEX_HALF;
- }
- }
- if (bp->link_up) {
- u32 ext_status;
- bnx2_read_phy(bp, MII_BNX2_EXT_STATUS, &ext_status);
- if (ext_status & EXT_STATUS_MDIX)
- bp->phy_flags |= BNX2_PHY_FLAG_MDIX;
- }
- return 0;
- }
- static void
- bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
- {
- u32 val, rx_cid_addr = GET_CID_ADDR(cid);
- val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
- val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
- val |= 0x02 << 8;
- if (bp->flow_ctrl & FLOW_CTRL_TX)
- val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
- bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
- }
- static void
- bnx2_init_all_rx_contexts(struct bnx2 *bp)
- {
- int i;
- u32 cid;
- for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
- if (i == 1)
- cid = RX_RSS_CID;
- bnx2_init_rx_context(bp, cid);
- }
- }
- static void
- bnx2_set_mac_link(struct bnx2 *bp)
- {
- u32 val;
- BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
- if (bp->link_up && (bp->line_speed == SPEED_1000) &&
- (bp->duplex == DUPLEX_HALF)) {
- BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
- }
- /* Configure the EMAC mode register. */
- val = BNX2_RD(bp, BNX2_EMAC_MODE);
- val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
- BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
- BNX2_EMAC_MODE_25G_MODE);
- if (bp->link_up) {
- switch (bp->line_speed) {
- case SPEED_10:
- if (BNX2_CHIP(bp) != BNX2_CHIP_5706) {
- val |= BNX2_EMAC_MODE_PORT_MII_10M;
- break;
- }
- fallthrough;
- case SPEED_100:
- val |= BNX2_EMAC_MODE_PORT_MII;
- break;
- case SPEED_2500:
- val |= BNX2_EMAC_MODE_25G_MODE;
- fallthrough;
- case SPEED_1000:
- val |= BNX2_EMAC_MODE_PORT_GMII;
- break;
- }
- }
- else {
- val |= BNX2_EMAC_MODE_PORT_GMII;
- }
- /* Set the MAC to operate in the appropriate duplex mode. */
- if (bp->duplex == DUPLEX_HALF)
- val |= BNX2_EMAC_MODE_HALF_DUPLEX;
- BNX2_WR(bp, BNX2_EMAC_MODE, val);
- /* Enable/disable rx PAUSE. */
- bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
- if (bp->flow_ctrl & FLOW_CTRL_RX)
- bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
- BNX2_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
- /* Enable/disable tx PAUSE. */
- val = BNX2_RD(bp, BNX2_EMAC_TX_MODE);
- val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
- if (bp->flow_ctrl & FLOW_CTRL_TX)
- val |= BNX2_EMAC_TX_MODE_FLOW_EN;
- BNX2_WR(bp, BNX2_EMAC_TX_MODE, val);
- /* Acknowledge the interrupt. */
- BNX2_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
- bnx2_init_all_rx_contexts(bp);
- }
- static void
- bnx2_enable_bmsr1(struct bnx2 *bp)
- {
- if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
- (BNX2_CHIP(bp) == BNX2_CHIP_5709))
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
- MII_BNX2_BLK_ADDR_GP_STATUS);
- }
- static void
- bnx2_disable_bmsr1(struct bnx2 *bp)
- {
- if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
- (BNX2_CHIP(bp) == BNX2_CHIP_5709))
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
- MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
- }
- static int
- bnx2_test_and_enable_2g5(struct bnx2 *bp)
- {
- u32 up1;
- int ret = 1;
- if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
- return 0;
- if (bp->autoneg & AUTONEG_SPEED)
- bp->advertising |= ADVERTISED_2500baseX_Full;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
- bnx2_read_phy(bp, bp->mii_up1, &up1);
- if (!(up1 & BCM5708S_UP1_2G5)) {
- up1 |= BCM5708S_UP1_2G5;
- bnx2_write_phy(bp, bp->mii_up1, up1);
- ret = 0;
- }
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
- MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
- return ret;
- }
- static int
- bnx2_test_and_disable_2g5(struct bnx2 *bp)
- {
- u32 up1;
- int ret = 0;
- if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
- return 0;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
- bnx2_read_phy(bp, bp->mii_up1, &up1);
- if (up1 & BCM5708S_UP1_2G5) {
- up1 &= ~BCM5708S_UP1_2G5;
- bnx2_write_phy(bp, bp->mii_up1, up1);
- ret = 1;
- }
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
- MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
- return ret;
- }
- static void
- bnx2_enable_forced_2g5(struct bnx2 *bp)
- {
- u32 bmcr;
- int err;
- if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
- return;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- u32 val;
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
- MII_BNX2_BLK_ADDR_SERDES_DIG);
- if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
- val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
- val |= MII_BNX2_SD_MISC1_FORCE |
- MII_BNX2_SD_MISC1_FORCE_2_5G;
- bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
- }
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
- MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
- err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
- err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- if (!err)
- bmcr |= BCM5708S_BMCR_FORCE_2500;
- } else {
- return;
- }
- if (err)
- return;
- if (bp->autoneg & AUTONEG_SPEED) {
- bmcr &= ~BMCR_ANENABLE;
- if (bp->req_duplex == DUPLEX_FULL)
- bmcr |= BMCR_FULLDPLX;
- }
- bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
- }
- static void
- bnx2_disable_forced_2g5(struct bnx2 *bp)
- {
- u32 bmcr;
- int err;
- if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
- return;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- u32 val;
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
- MII_BNX2_BLK_ADDR_SERDES_DIG);
- if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
- val &= ~MII_BNX2_SD_MISC1_FORCE;
- bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
- }
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
- MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
- err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
- err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- if (!err)
- bmcr &= ~BCM5708S_BMCR_FORCE_2500;
- } else {
- return;
- }
- if (err)
- return;
- if (bp->autoneg & AUTONEG_SPEED)
- bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
- bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
- }
- static void
- bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
- {
- u32 val;
- bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
- bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
- if (start)
- bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
- else
- bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
- }
- static int
- bnx2_set_link(struct bnx2 *bp)
- {
- u32 bmsr;
- u8 link_up;
- if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
- bp->link_up = 1;
- return 0;
- }
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
- return 0;
- link_up = bp->link_up;
- bnx2_enable_bmsr1(bp);
- bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
- bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
- bnx2_disable_bmsr1(bp);
- if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
- (BNX2_CHIP(bp) == BNX2_CHIP_5706)) {
- u32 val, an_dbg;
- if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
- bnx2_5706s_force_link_dn(bp, 0);
- bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
- }
- val = BNX2_RD(bp, BNX2_EMAC_STATUS);
- bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
- bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
- bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
- if ((val & BNX2_EMAC_STATUS_LINK) &&
- !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
- bmsr |= BMSR_LSTATUS;
- else
- bmsr &= ~BMSR_LSTATUS;
- }
- if (bmsr & BMSR_LSTATUS) {
- bp->link_up = 1;
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
- bnx2_5706s_linkup(bp);
- else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
- bnx2_5708s_linkup(bp);
- else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- bnx2_5709s_linkup(bp);
- }
- else {
- bnx2_copper_linkup(bp);
- }
- bnx2_resolve_flow_ctrl(bp);
- }
- else {
- if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
- (bp->autoneg & AUTONEG_SPEED))
- bnx2_disable_forced_2g5(bp);
- if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
- u32 bmcr;
- bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- bmcr |= BMCR_ANENABLE;
- bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
- bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
- }
- bp->link_up = 0;
- }
- if (bp->link_up != link_up) {
- bnx2_report_link(bp);
- }
- bnx2_set_mac_link(bp);
- return 0;
- }
- static int
- bnx2_reset_phy(struct bnx2 *bp)
- {
- int i;
- u32 reg;
- bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
- #define PHY_RESET_MAX_WAIT 100
- for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
- udelay(10);
- bnx2_read_phy(bp, bp->mii_bmcr, ®);
- if (!(reg & BMCR_RESET)) {
- udelay(20);
- break;
- }
- }
- if (i == PHY_RESET_MAX_WAIT) {
- return -EBUSY;
- }
- return 0;
- }
- static u32
- bnx2_phy_get_pause_adv(struct bnx2 *bp)
- {
- u32 adv = 0;
- if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
- (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- adv = ADVERTISE_1000XPAUSE;
- }
- else {
- adv = ADVERTISE_PAUSE_CAP;
- }
- }
- else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- adv = ADVERTISE_1000XPSE_ASYM;
- }
- else {
- adv = ADVERTISE_PAUSE_ASYM;
- }
- }
- else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
- }
- else {
- adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
- }
- }
- return adv;
- }
- static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
- static int
- bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
- __releases(&bp->phy_lock)
- __acquires(&bp->phy_lock)
- {
- u32 speed_arg = 0, pause_adv;
- pause_adv = bnx2_phy_get_pause_adv(bp);
- if (bp->autoneg & AUTONEG_SPEED) {
- speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
- if (bp->advertising & ADVERTISED_10baseT_Half)
- speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
- if (bp->advertising & ADVERTISED_10baseT_Full)
- speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
- if (bp->advertising & ADVERTISED_100baseT_Half)
- speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
- if (bp->advertising & ADVERTISED_100baseT_Full)
- speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
- if (bp->advertising & ADVERTISED_1000baseT_Full)
- speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
- if (bp->advertising & ADVERTISED_2500baseX_Full)
- speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
- } else {
- if (bp->req_line_speed == SPEED_2500)
- speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
- else if (bp->req_line_speed == SPEED_1000)
- speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
- else if (bp->req_line_speed == SPEED_100) {
- if (bp->req_duplex == DUPLEX_FULL)
- speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
- else
- speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
- } else if (bp->req_line_speed == SPEED_10) {
- if (bp->req_duplex == DUPLEX_FULL)
- speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
- else
- speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
- }
- }
- if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
- speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
- if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
- speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
- if (port == PORT_TP)
- speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
- BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
- bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
- spin_unlock_bh(&bp->phy_lock);
- bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
- spin_lock_bh(&bp->phy_lock);
- return 0;
- }
- static int
- bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
- __releases(&bp->phy_lock)
- __acquires(&bp->phy_lock)
- {
- u32 adv, bmcr;
- u32 new_adv = 0;
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
- return bnx2_setup_remote_phy(bp, port);
- if (!(bp->autoneg & AUTONEG_SPEED)) {
- u32 new_bmcr;
- int force_link_down = 0;
- if (bp->req_line_speed == SPEED_2500) {
- if (!bnx2_test_and_enable_2g5(bp))
- force_link_down = 1;
- } else if (bp->req_line_speed == SPEED_1000) {
- if (bnx2_test_and_disable_2g5(bp))
- force_link_down = 1;
- }
- bnx2_read_phy(bp, bp->mii_adv, &adv);
- adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
- bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- new_bmcr = bmcr & ~BMCR_ANENABLE;
- new_bmcr |= BMCR_SPEED1000;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- if (bp->req_line_speed == SPEED_2500)
- bnx2_enable_forced_2g5(bp);
- else if (bp->req_line_speed == SPEED_1000) {
- bnx2_disable_forced_2g5(bp);
- new_bmcr &= ~0x2000;
- }
- } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
- if (bp->req_line_speed == SPEED_2500)
- new_bmcr |= BCM5708S_BMCR_FORCE_2500;
- else
- new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
- }
- if (bp->req_duplex == DUPLEX_FULL) {
- adv |= ADVERTISE_1000XFULL;
- new_bmcr |= BMCR_FULLDPLX;
- }
- else {
- adv |= ADVERTISE_1000XHALF;
- new_bmcr &= ~BMCR_FULLDPLX;
- }
- if ((new_bmcr != bmcr) || (force_link_down)) {
- /* Force a link down visible on the other side */
- if (bp->link_up) {
- bnx2_write_phy(bp, bp->mii_adv, adv &
- ~(ADVERTISE_1000XFULL |
- ADVERTISE_1000XHALF));
- bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
- BMCR_ANRESTART | BMCR_ANENABLE);
- bp->link_up = 0;
- netif_carrier_off(bp->dev);
- bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
- bnx2_report_link(bp);
- }
- bnx2_write_phy(bp, bp->mii_adv, adv);
- bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
- } else {
- bnx2_resolve_flow_ctrl(bp);
- bnx2_set_mac_link(bp);
- }
- return 0;
- }
- bnx2_test_and_enable_2g5(bp);
- if (bp->advertising & ADVERTISED_1000baseT_Full)
- new_adv |= ADVERTISE_1000XFULL;
- new_adv |= bnx2_phy_get_pause_adv(bp);
- bnx2_read_phy(bp, bp->mii_adv, &adv);
- bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- bp->serdes_an_pending = 0;
- if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
- /* Force a link down visible on the other side */
- if (bp->link_up) {
- bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
- spin_unlock_bh(&bp->phy_lock);
- msleep(20);
- spin_lock_bh(&bp->phy_lock);
- }
- bnx2_write_phy(bp, bp->mii_adv, new_adv);
- bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
- BMCR_ANENABLE);
- /* Speed up link-up time when the link partner
- * does not autonegotiate which is very common
- * in blade servers. Some blade servers use
- * IPMI for kerboard input and it's important
- * to minimize link disruptions. Autoneg. involves
- * exchanging base pages plus 3 next pages and
- * normally completes in about 120 msec.
- */
- bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
- bp->serdes_an_pending = 1;
- mod_timer(&bp->timer, jiffies + bp->current_interval);
- } else {
- bnx2_resolve_flow_ctrl(bp);
- bnx2_set_mac_link(bp);
- }
- return 0;
- }
- #define ETHTOOL_ALL_FIBRE_SPEED \
- (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
- (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
- (ADVERTISED_1000baseT_Full)
- #define ETHTOOL_ALL_COPPER_SPEED \
- (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
- ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
- ADVERTISED_1000baseT_Full)
- #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
- ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
- #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
- static void
- bnx2_set_default_remote_link(struct bnx2 *bp)
- {
- u32 link;
- if (bp->phy_port == PORT_TP)
- link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
- else
- link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
- if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
- bp->req_line_speed = 0;
- bp->autoneg |= AUTONEG_SPEED;
- bp->advertising = ADVERTISED_Autoneg;
- if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
- bp->advertising |= ADVERTISED_10baseT_Half;
- if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
- bp->advertising |= ADVERTISED_10baseT_Full;
- if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
- bp->advertising |= ADVERTISED_100baseT_Half;
- if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
- bp->advertising |= ADVERTISED_100baseT_Full;
- if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
- bp->advertising |= ADVERTISED_1000baseT_Full;
- if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
- bp->advertising |= ADVERTISED_2500baseX_Full;
- } else {
- bp->autoneg = 0;
- bp->advertising = 0;
- bp->req_duplex = DUPLEX_FULL;
- if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
- bp->req_line_speed = SPEED_10;
- if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
- bp->req_duplex = DUPLEX_HALF;
- }
- if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
- bp->req_line_speed = SPEED_100;
- if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
- bp->req_duplex = DUPLEX_HALF;
- }
- if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
- bp->req_line_speed = SPEED_1000;
- if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
- bp->req_line_speed = SPEED_2500;
- }
- }
- static void
- bnx2_set_default_link(struct bnx2 *bp)
- {
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
- bnx2_set_default_remote_link(bp);
- return;
- }
- bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
- bp->req_line_speed = 0;
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- u32 reg;
- bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
- reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
- reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
- if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
- bp->autoneg = 0;
- bp->req_line_speed = bp->line_speed = SPEED_1000;
- bp->req_duplex = DUPLEX_FULL;
- }
- } else
- bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
- }
- static void
- bnx2_send_heart_beat(struct bnx2 *bp)
- {
- u32 msg;
- u32 addr;
- spin_lock(&bp->indirect_lock);
- msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
- addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
- BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
- BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
- spin_unlock(&bp->indirect_lock);
- }
- static void
- bnx2_remote_phy_event(struct bnx2 *bp)
- {
- u32 msg;
- u8 link_up = bp->link_up;
- u8 old_port;
- msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
- if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
- bnx2_send_heart_beat(bp);
- msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
- if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
- bp->link_up = 0;
- else {
- u32 speed;
- bp->link_up = 1;
- speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
- bp->duplex = DUPLEX_FULL;
- switch (speed) {
- case BNX2_LINK_STATUS_10HALF:
- bp->duplex = DUPLEX_HALF;
- fallthrough;
- case BNX2_LINK_STATUS_10FULL:
- bp->line_speed = SPEED_10;
- break;
- case BNX2_LINK_STATUS_100HALF:
- bp->duplex = DUPLEX_HALF;
- fallthrough;
- case BNX2_LINK_STATUS_100BASE_T4:
- case BNX2_LINK_STATUS_100FULL:
- bp->line_speed = SPEED_100;
- break;
- case BNX2_LINK_STATUS_1000HALF:
- bp->duplex = DUPLEX_HALF;
- fallthrough;
- case BNX2_LINK_STATUS_1000FULL:
- bp->line_speed = SPEED_1000;
- break;
- case BNX2_LINK_STATUS_2500HALF:
- bp->duplex = DUPLEX_HALF;
- fallthrough;
- case BNX2_LINK_STATUS_2500FULL:
- bp->line_speed = SPEED_2500;
- break;
- default:
- bp->line_speed = 0;
- break;
- }
- bp->flow_ctrl = 0;
- if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
- (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
- if (bp->duplex == DUPLEX_FULL)
- bp->flow_ctrl = bp->req_flow_ctrl;
- } else {
- if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
- bp->flow_ctrl |= FLOW_CTRL_TX;
- if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
- bp->flow_ctrl |= FLOW_CTRL_RX;
- }
- old_port = bp->phy_port;
- if (msg & BNX2_LINK_STATUS_SERDES_LINK)
- bp->phy_port = PORT_FIBRE;
- else
- bp->phy_port = PORT_TP;
- if (old_port != bp->phy_port)
- bnx2_set_default_link(bp);
- }
- if (bp->link_up != link_up)
- bnx2_report_link(bp);
- bnx2_set_mac_link(bp);
- }
- static int
- bnx2_set_remote_link(struct bnx2 *bp)
- {
- u32 evt_code;
- evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
- switch (evt_code) {
- case BNX2_FW_EVT_CODE_LINK_EVENT:
- bnx2_remote_phy_event(bp);
- break;
- case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
- default:
- bnx2_send_heart_beat(bp);
- break;
- }
- return 0;
- }
- static int
- bnx2_setup_copper_phy(struct bnx2 *bp)
- __releases(&bp->phy_lock)
- __acquires(&bp->phy_lock)
- {
- u32 bmcr, adv_reg, new_adv = 0;
- u32 new_bmcr;
- bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
- adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
- ADVERTISE_PAUSE_ASYM);
- new_adv = ADVERTISE_CSMA | ethtool_adv_to_mii_adv_t(bp->advertising);
- if (bp->autoneg & AUTONEG_SPEED) {
- u32 adv1000_reg;
- u32 new_adv1000 = 0;
- new_adv |= bnx2_phy_get_pause_adv(bp);
- bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
- adv1000_reg &= PHY_ALL_1000_SPEED;
- new_adv1000 |= ethtool_adv_to_mii_ctrl1000_t(bp->advertising);
- if ((adv1000_reg != new_adv1000) ||
- (adv_reg != new_adv) ||
- ((bmcr & BMCR_ANENABLE) == 0)) {
- bnx2_write_phy(bp, bp->mii_adv, new_adv);
- bnx2_write_phy(bp, MII_CTRL1000, new_adv1000);
- bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
- BMCR_ANENABLE);
- }
- else if (bp->link_up) {
- /* Flow ctrl may have changed from auto to forced */
- /* or vice-versa. */
- bnx2_resolve_flow_ctrl(bp);
- bnx2_set_mac_link(bp);
- }
- return 0;
- }
- /* advertise nothing when forcing speed */
- if (adv_reg != new_adv)
- bnx2_write_phy(bp, bp->mii_adv, new_adv);
- new_bmcr = 0;
- if (bp->req_line_speed == SPEED_100) {
- new_bmcr |= BMCR_SPEED100;
- }
- if (bp->req_duplex == DUPLEX_FULL) {
- new_bmcr |= BMCR_FULLDPLX;
- }
- if (new_bmcr != bmcr) {
- u32 bmsr;
- bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
- bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
- if (bmsr & BMSR_LSTATUS) {
- /* Force link down */
- bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
- spin_unlock_bh(&bp->phy_lock);
- msleep(50);
- spin_lock_bh(&bp->phy_lock);
- bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
- bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
- }
- bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
- /* Normally, the new speed is setup after the link has
- * gone down and up again. In some cases, link will not go
- * down so we need to set up the new speed here.
- */
- if (bmsr & BMSR_LSTATUS) {
- bp->line_speed = bp->req_line_speed;
- bp->duplex = bp->req_duplex;
- bnx2_resolve_flow_ctrl(bp);
- bnx2_set_mac_link(bp);
- }
- } else {
- bnx2_resolve_flow_ctrl(bp);
- bnx2_set_mac_link(bp);
- }
- return 0;
- }
- static int
- bnx2_setup_phy(struct bnx2 *bp, u8 port)
- __releases(&bp->phy_lock)
- __acquires(&bp->phy_lock)
- {
- if (bp->loopback == MAC_LOOPBACK)
- return 0;
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- return bnx2_setup_serdes_phy(bp, port);
- }
- else {
- return bnx2_setup_copper_phy(bp);
- }
- }
- static int
- bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
- {
- u32 val;
- bp->mii_bmcr = MII_BMCR + 0x10;
- bp->mii_bmsr = MII_BMSR + 0x10;
- bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
- bp->mii_adv = MII_ADVERTISE + 0x10;
- bp->mii_lpa = MII_LPA + 0x10;
- bp->mii_up1 = MII_BNX2_OVER1G_UP1;
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
- bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
- if (reset_phy)
- bnx2_reset_phy(bp);
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
- bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
- val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
- val |= MII_BNX2_SD_1000XCTL1_FIBER;
- bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
- bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
- if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
- val |= BCM5708S_UP1_2G5;
- else
- val &= ~BCM5708S_UP1_2G5;
- bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
- bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
- val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
- bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
- val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
- MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
- bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
- bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
- return 0;
- }
- static int
- bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
- {
- u32 val;
- if (reset_phy)
- bnx2_reset_phy(bp);
- bp->mii_up1 = BCM5708S_UP1;
- bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
- bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
- bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
- bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
- val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
- bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
- bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
- val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
- bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
- if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
- bnx2_read_phy(bp, BCM5708S_UP1, &val);
- val |= BCM5708S_UP1_2G5;
- bnx2_write_phy(bp, BCM5708S_UP1, val);
- }
- if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1)) {
- /* increase tx signal amplitude */
- bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
- BCM5708S_BLK_ADDR_TX_MISC);
- bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
- val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
- bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
- bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
- }
- val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
- BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
- if (val) {
- u32 is_backplane;
- is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
- if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
- bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
- BCM5708S_BLK_ADDR_TX_MISC);
- bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
- bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
- BCM5708S_BLK_ADDR_DIG);
- }
- }
- return 0;
- }
- static int
- bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
- {
- if (reset_phy)
- bnx2_reset_phy(bp);
- bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
- BNX2_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
- if (bp->dev->mtu > ETH_DATA_LEN) {
- u32 val;
- /* Set extended packet length bit */
- bnx2_write_phy(bp, 0x18, 0x7);
- bnx2_read_phy(bp, 0x18, &val);
- bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
- bnx2_write_phy(bp, 0x1c, 0x6c00);
- bnx2_read_phy(bp, 0x1c, &val);
- bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
- }
- else {
- u32 val;
- bnx2_write_phy(bp, 0x18, 0x7);
- bnx2_read_phy(bp, 0x18, &val);
- bnx2_write_phy(bp, 0x18, val & ~0x4007);
- bnx2_write_phy(bp, 0x1c, 0x6c00);
- bnx2_read_phy(bp, 0x1c, &val);
- bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
- }
- return 0;
- }
- static int
- bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
- {
- u32 val;
- if (reset_phy)
- bnx2_reset_phy(bp);
- if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
- bnx2_write_phy(bp, 0x18, 0x0c00);
- bnx2_write_phy(bp, 0x17, 0x000a);
- bnx2_write_phy(bp, 0x15, 0x310b);
- bnx2_write_phy(bp, 0x17, 0x201f);
- bnx2_write_phy(bp, 0x15, 0x9506);
- bnx2_write_phy(bp, 0x17, 0x401f);
- bnx2_write_phy(bp, 0x15, 0x14e2);
- bnx2_write_phy(bp, 0x18, 0x0400);
- }
- if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
- bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
- MII_BNX2_DSP_EXPAND_REG | 0x8);
- bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
- val &= ~(1 << 8);
- bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
- }
- if (bp->dev->mtu > ETH_DATA_LEN) {
- /* Set extended packet length bit */
- bnx2_write_phy(bp, 0x18, 0x7);
- bnx2_read_phy(bp, 0x18, &val);
- bnx2_write_phy(bp, 0x18, val | 0x4000);
- bnx2_read_phy(bp, 0x10, &val);
- bnx2_write_phy(bp, 0x10, val | 0x1);
- }
- else {
- bnx2_write_phy(bp, 0x18, 0x7);
- bnx2_read_phy(bp, 0x18, &val);
- bnx2_write_phy(bp, 0x18, val & ~0x4007);
- bnx2_read_phy(bp, 0x10, &val);
- bnx2_write_phy(bp, 0x10, val & ~0x1);
- }
- /* ethernet@wirespeed */
- bnx2_write_phy(bp, MII_BNX2_AUX_CTL, AUX_CTL_MISC_CTL);
- bnx2_read_phy(bp, MII_BNX2_AUX_CTL, &val);
- val |= AUX_CTL_MISC_CTL_WR | AUX_CTL_MISC_CTL_WIRESPEED;
- /* auto-mdix */
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- val |= AUX_CTL_MISC_CTL_AUTOMDIX;
- bnx2_write_phy(bp, MII_BNX2_AUX_CTL, val);
- return 0;
- }
- static int
- bnx2_init_phy(struct bnx2 *bp, int reset_phy)
- __releases(&bp->phy_lock)
- __acquires(&bp->phy_lock)
- {
- u32 val;
- int rc = 0;
- bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
- bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
- bp->mii_bmcr = MII_BMCR;
- bp->mii_bmsr = MII_BMSR;
- bp->mii_bmsr1 = MII_BMSR;
- bp->mii_adv = MII_ADVERTISE;
- bp->mii_lpa = MII_LPA;
- BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
- goto setup_phy;
- bnx2_read_phy(bp, MII_PHYSID1, &val);
- bp->phy_id = val << 16;
- bnx2_read_phy(bp, MII_PHYSID2, &val);
- bp->phy_id |= val & 0xffff;
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
- rc = bnx2_init_5706s_phy(bp, reset_phy);
- else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
- rc = bnx2_init_5708s_phy(bp, reset_phy);
- else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- rc = bnx2_init_5709s_phy(bp, reset_phy);
- }
- else {
- rc = bnx2_init_copper_phy(bp, reset_phy);
- }
- setup_phy:
- if (!rc)
- rc = bnx2_setup_phy(bp, bp->phy_port);
- return rc;
- }
- static int
- bnx2_set_mac_loopback(struct bnx2 *bp)
- {
- u32 mac_mode;
- mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
- mac_mode &= ~BNX2_EMAC_MODE_PORT;
- mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
- BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
- bp->link_up = 1;
- return 0;
- }
- static int bnx2_test_link(struct bnx2 *);
- static int
- bnx2_set_phy_loopback(struct bnx2 *bp)
- {
- u32 mac_mode;
- int rc, i;
- spin_lock_bh(&bp->phy_lock);
- rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
- BMCR_SPEED1000);
- spin_unlock_bh(&bp->phy_lock);
- if (rc)
- return rc;
- for (i = 0; i < 10; i++) {
- if (bnx2_test_link(bp) == 0)
- break;
- msleep(100);
- }
- mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
- mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
- BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
- BNX2_EMAC_MODE_25G_MODE);
- mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
- BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
- bp->link_up = 1;
- return 0;
- }
- static void
- bnx2_dump_mcp_state(struct bnx2 *bp)
- {
- struct net_device *dev = bp->dev;
- u32 mcp_p0, mcp_p1;
- netdev_err(dev, "<--- start MCP states dump --->\n");
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- mcp_p0 = BNX2_MCP_STATE_P0;
- mcp_p1 = BNX2_MCP_STATE_P1;
- } else {
- mcp_p0 = BNX2_MCP_STATE_P0_5708;
- mcp_p1 = BNX2_MCP_STATE_P1_5708;
- }
- netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
- bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
- netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n",
- bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE),
- bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE),
- bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK));
- netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n",
- bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
- bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
- bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION));
- netdev_err(dev, "DEBUG: shmem states:\n");
- netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]",
- bnx2_shmem_rd(bp, BNX2_DRV_MB),
- bnx2_shmem_rd(bp, BNX2_FW_MB),
- bnx2_shmem_rd(bp, BNX2_LINK_STATUS));
- pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB));
- netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]",
- bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE),
- bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE));
- pr_cont(" condition[%08x]\n",
- bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION));
- DP_SHMEM_LINE(bp, BNX2_BC_RESET_TYPE);
- DP_SHMEM_LINE(bp, 0x3cc);
- DP_SHMEM_LINE(bp, 0x3dc);
- DP_SHMEM_LINE(bp, 0x3ec);
- netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc));
- netdev_err(dev, "<--- end MCP states dump --->\n");
- }
- static int
- bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
- {
- int i;
- u32 val;
- bp->fw_wr_seq++;
- msg_data |= bp->fw_wr_seq;
- bp->fw_last_msg = msg_data;
- bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
- if (!ack)
- return 0;
- /* wait for an acknowledgement. */
- for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
- msleep(10);
- val = bnx2_shmem_rd(bp, BNX2_FW_MB);
- if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
- break;
- }
- if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
- return 0;
- /* If we timed out, inform the firmware that this is the case. */
- if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
- msg_data &= ~BNX2_DRV_MSG_CODE;
- msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
- bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
- if (!silent) {
- pr_err("fw sync timeout, reset code = %x\n", msg_data);
- bnx2_dump_mcp_state(bp);
- }
- return -EBUSY;
- }
- if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
- return -EIO;
- return 0;
- }
- static int
- bnx2_init_5709_context(struct bnx2 *bp)
- {
- int i, ret = 0;
- u32 val;
- val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
- val |= (BNX2_PAGE_BITS - 8) << 16;
- BNX2_WR(bp, BNX2_CTX_COMMAND, val);
- for (i = 0; i < 10; i++) {
- val = BNX2_RD(bp, BNX2_CTX_COMMAND);
- if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
- break;
- udelay(2);
- }
- if (val & BNX2_CTX_COMMAND_MEM_INIT)
- return -EBUSY;
- for (i = 0; i < bp->ctx_pages; i++) {
- int j;
- if (bp->ctx_blk[i])
- memset(bp->ctx_blk[i], 0, BNX2_PAGE_SIZE);
- else
- return -ENOMEM;
- BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
- (bp->ctx_blk_mapping[i] & 0xffffffff) |
- BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
- BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
- (u64) bp->ctx_blk_mapping[i] >> 32);
- BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
- BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
- for (j = 0; j < 10; j++) {
- val = BNX2_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
- if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
- break;
- udelay(5);
- }
- if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
- ret = -EBUSY;
- break;
- }
- }
- return ret;
- }
- static void
- bnx2_init_context(struct bnx2 *bp)
- {
- u32 vcid;
- vcid = 96;
- while (vcid) {
- u32 vcid_addr, pcid_addr, offset;
- int i;
- vcid--;
- if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
- u32 new_vcid;
- vcid_addr = GET_PCID_ADDR(vcid);
- if (vcid & 0x8) {
- new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
- }
- else {
- new_vcid = vcid;
- }
- pcid_addr = GET_PCID_ADDR(new_vcid);
- }
- else {
- vcid_addr = GET_CID_ADDR(vcid);
- pcid_addr = vcid_addr;
- }
- for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
- vcid_addr += (i << PHY_CTX_SHIFT);
- pcid_addr += (i << PHY_CTX_SHIFT);
- BNX2_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
- BNX2_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
- /* Zero out the context. */
- for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
- bnx2_ctx_wr(bp, vcid_addr, offset, 0);
- }
- }
- }
- static int
- bnx2_alloc_bad_rbuf(struct bnx2 *bp)
- {
- u16 *good_mbuf;
- u32 good_mbuf_cnt;
- u32 val;
- good_mbuf = kmalloc_array(512, sizeof(u16), GFP_KERNEL);
- if (!good_mbuf)
- return -ENOMEM;
- BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
- BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
- good_mbuf_cnt = 0;
- /* Allocate a bunch of mbufs and save the good ones in an array. */
- val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
- while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
- bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
- BNX2_RBUF_COMMAND_ALLOC_REQ);
- val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
- val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
- /* The addresses with Bit 9 set are bad memory blocks. */
- if (!(val & (1 << 9))) {
- good_mbuf[good_mbuf_cnt] = (u16) val;
- good_mbuf_cnt++;
- }
- val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
- }
- /* Free the good ones back to the mbuf pool thus discarding
- * all the bad ones. */
- while (good_mbuf_cnt) {
- good_mbuf_cnt--;
- val = good_mbuf[good_mbuf_cnt];
- val = (val << 9) | val | 1;
- bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
- }
- kfree(good_mbuf);
- return 0;
- }
- static void
- bnx2_set_mac_addr(struct bnx2 *bp, const u8 *mac_addr, u32 pos)
- {
- u32 val;
- val = (mac_addr[0] << 8) | mac_addr[1];
- BNX2_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
- val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
- (mac_addr[4] << 8) | mac_addr[5];
- BNX2_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
- }
- static inline int
- bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
- {
- dma_addr_t mapping;
- struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
- struct bnx2_rx_bd *rxbd =
- &rxr->rx_pg_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
- struct page *page = alloc_page(gfp);
- if (!page)
- return -ENOMEM;
- mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
- DMA_FROM_DEVICE);
- if (dma_mapping_error(&bp->pdev->dev, mapping)) {
- __free_page(page);
- return -EIO;
- }
- rx_pg->page = page;
- dma_unmap_addr_set(rx_pg, mapping, mapping);
- rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
- rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
- return 0;
- }
- static void
- bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
- {
- struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
- struct page *page = rx_pg->page;
- if (!page)
- return;
- dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
- PAGE_SIZE, DMA_FROM_DEVICE);
- __free_page(page);
- rx_pg->page = NULL;
- }
- static inline int
- bnx2_alloc_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
- {
- u8 *data;
- struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[index];
- dma_addr_t mapping;
- struct bnx2_rx_bd *rxbd =
- &rxr->rx_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
- data = kmalloc(bp->rx_buf_size, gfp);
- if (!data)
- return -ENOMEM;
- mapping = dma_map_single(&bp->pdev->dev,
- get_l2_fhdr(data),
- bp->rx_buf_use_size,
- DMA_FROM_DEVICE);
- if (dma_mapping_error(&bp->pdev->dev, mapping)) {
- kfree(data);
- return -EIO;
- }
- rx_buf->data = data;
- dma_unmap_addr_set(rx_buf, mapping, mapping);
- rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
- rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
- rxr->rx_prod_bseq += bp->rx_buf_use_size;
- return 0;
- }
- static int
- bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
- {
- struct status_block *sblk = bnapi->status_blk.msi;
- u32 new_link_state, old_link_state;
- int is_set = 1;
- new_link_state = sblk->status_attn_bits & event;
- old_link_state = sblk->status_attn_bits_ack & event;
- if (new_link_state != old_link_state) {
- if (new_link_state)
- BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
- else
- BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
- } else
- is_set = 0;
- return is_set;
- }
- static void
- bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
- {
- spin_lock(&bp->phy_lock);
- if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
- bnx2_set_link(bp);
- if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
- bnx2_set_remote_link(bp);
- spin_unlock(&bp->phy_lock);
- }
- static inline u16
- bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
- {
- u16 cons;
- cons = READ_ONCE(*bnapi->hw_tx_cons_ptr);
- if (unlikely((cons & BNX2_MAX_TX_DESC_CNT) == BNX2_MAX_TX_DESC_CNT))
- cons++;
- return cons;
- }
- static int
- bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
- {
- struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
- u16 hw_cons, sw_cons, sw_ring_cons;
- int tx_pkt = 0, index;
- unsigned int tx_bytes = 0;
- struct netdev_queue *txq;
- index = (bnapi - bp->bnx2_napi);
- txq = netdev_get_tx_queue(bp->dev, index);
- hw_cons = bnx2_get_hw_tx_cons(bnapi);
- sw_cons = txr->tx_cons;
- while (sw_cons != hw_cons) {
- struct bnx2_sw_tx_bd *tx_buf;
- struct sk_buff *skb;
- int i, last;
- sw_ring_cons = BNX2_TX_RING_IDX(sw_cons);
- tx_buf = &txr->tx_buf_ring[sw_ring_cons];
- skb = tx_buf->skb;
- /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
- prefetch(&skb->end);
- /* partial BD completions possible with TSO packets */
- if (tx_buf->is_gso) {
- u16 last_idx, last_ring_idx;
- last_idx = sw_cons + tx_buf->nr_frags + 1;
- last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
- if (unlikely(last_ring_idx >= BNX2_MAX_TX_DESC_CNT)) {
- last_idx++;
- }
- if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
- break;
- }
- }
- dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
- skb_headlen(skb), DMA_TO_DEVICE);
- tx_buf->skb = NULL;
- last = tx_buf->nr_frags;
- for (i = 0; i < last; i++) {
- struct bnx2_sw_tx_bd *tx_buf;
- sw_cons = BNX2_NEXT_TX_BD(sw_cons);
- tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(sw_cons)];
- dma_unmap_page(&bp->pdev->dev,
- dma_unmap_addr(tx_buf, mapping),
- skb_frag_size(&skb_shinfo(skb)->frags[i]),
- DMA_TO_DEVICE);
- }
- sw_cons = BNX2_NEXT_TX_BD(sw_cons);
- tx_bytes += skb->len;
- dev_kfree_skb_any(skb);
- tx_pkt++;
- if (tx_pkt == budget)
- break;
- if (hw_cons == sw_cons)
- hw_cons = bnx2_get_hw_tx_cons(bnapi);
- }
- netdev_tx_completed_queue(txq, tx_pkt, tx_bytes);
- txr->hw_tx_cons = hw_cons;
- txr->tx_cons = sw_cons;
- /* Need to make the tx_cons update visible to bnx2_start_xmit()
- * before checking for netif_tx_queue_stopped(). Without the
- * memory barrier, there is a small possibility that bnx2_start_xmit()
- * will miss it and cause the queue to be stopped forever.
- */
- smp_mb();
- if (unlikely(netif_tx_queue_stopped(txq)) &&
- (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
- __netif_tx_lock(txq, smp_processor_id());
- if ((netif_tx_queue_stopped(txq)) &&
- (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
- netif_tx_wake_queue(txq);
- __netif_tx_unlock(txq);
- }
- return tx_pkt;
- }
- static void
- bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
- struct sk_buff *skb, int count)
- {
- struct bnx2_sw_pg *cons_rx_pg, *prod_rx_pg;
- struct bnx2_rx_bd *cons_bd, *prod_bd;
- int i;
- u16 hw_prod, prod;
- u16 cons = rxr->rx_pg_cons;
- cons_rx_pg = &rxr->rx_pg_ring[cons];
- /* The caller was unable to allocate a new page to replace the
- * last one in the frags array, so we need to recycle that page
- * and then free the skb.
- */
- if (skb) {
- struct page *page;
- struct skb_shared_info *shinfo;
- shinfo = skb_shinfo(skb);
- shinfo->nr_frags--;
- page = skb_frag_page(&shinfo->frags[shinfo->nr_frags]);
- __skb_frag_set_page(&shinfo->frags[shinfo->nr_frags], NULL);
- cons_rx_pg->page = page;
- dev_kfree_skb(skb);
- }
- hw_prod = rxr->rx_pg_prod;
- for (i = 0; i < count; i++) {
- prod = BNX2_RX_PG_RING_IDX(hw_prod);
- prod_rx_pg = &rxr->rx_pg_ring[prod];
- cons_rx_pg = &rxr->rx_pg_ring[cons];
- cons_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(cons)]
- [BNX2_RX_IDX(cons)];
- prod_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(prod)]
- [BNX2_RX_IDX(prod)];
- if (prod != cons) {
- prod_rx_pg->page = cons_rx_pg->page;
- cons_rx_pg->page = NULL;
- dma_unmap_addr_set(prod_rx_pg, mapping,
- dma_unmap_addr(cons_rx_pg, mapping));
- prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
- prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
- }
- cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(cons));
- hw_prod = BNX2_NEXT_RX_BD(hw_prod);
- }
- rxr->rx_pg_prod = hw_prod;
- rxr->rx_pg_cons = cons;
- }
- static inline void
- bnx2_reuse_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
- u8 *data, u16 cons, u16 prod)
- {
- struct bnx2_sw_bd *cons_rx_buf, *prod_rx_buf;
- struct bnx2_rx_bd *cons_bd, *prod_bd;
- cons_rx_buf = &rxr->rx_buf_ring[cons];
- prod_rx_buf = &rxr->rx_buf_ring[prod];
- dma_sync_single_for_device(&bp->pdev->dev,
- dma_unmap_addr(cons_rx_buf, mapping),
- BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, DMA_FROM_DEVICE);
- rxr->rx_prod_bseq += bp->rx_buf_use_size;
- prod_rx_buf->data = data;
- if (cons == prod)
- return;
- dma_unmap_addr_set(prod_rx_buf, mapping,
- dma_unmap_addr(cons_rx_buf, mapping));
- cons_bd = &rxr->rx_desc_ring[BNX2_RX_RING(cons)][BNX2_RX_IDX(cons)];
- prod_bd = &rxr->rx_desc_ring[BNX2_RX_RING(prod)][BNX2_RX_IDX(prod)];
- prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
- prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
- }
- static struct sk_buff *
- bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u8 *data,
- unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
- u32 ring_idx)
- {
- int err;
- u16 prod = ring_idx & 0xffff;
- struct sk_buff *skb;
- err = bnx2_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
- if (unlikely(err)) {
- bnx2_reuse_rx_data(bp, rxr, data, (u16) (ring_idx >> 16), prod);
- error:
- if (hdr_len) {
- unsigned int raw_len = len + 4;
- int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
- bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
- }
- return NULL;
- }
- dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
- DMA_FROM_DEVICE);
- skb = build_skb(data, 0);
- if (!skb) {
- kfree(data);
- goto error;
- }
- skb_reserve(skb, ((u8 *)get_l2_fhdr(data) - data) + BNX2_RX_OFFSET);
- if (hdr_len == 0) {
- skb_put(skb, len);
- return skb;
- } else {
- unsigned int i, frag_len, frag_size, pages;
- struct bnx2_sw_pg *rx_pg;
- u16 pg_cons = rxr->rx_pg_cons;
- u16 pg_prod = rxr->rx_pg_prod;
- frag_size = len + 4 - hdr_len;
- pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
- skb_put(skb, hdr_len);
- for (i = 0; i < pages; i++) {
- dma_addr_t mapping_old;
- frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
- if (unlikely(frag_len <= 4)) {
- unsigned int tail = 4 - frag_len;
- rxr->rx_pg_cons = pg_cons;
- rxr->rx_pg_prod = pg_prod;
- bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
- pages - i);
- skb->len -= tail;
- if (i == 0) {
- skb->tail -= tail;
- } else {
- skb_frag_t *frag =
- &skb_shinfo(skb)->frags[i - 1];
- skb_frag_size_sub(frag, tail);
- skb->data_len -= tail;
- }
- return skb;
- }
- rx_pg = &rxr->rx_pg_ring[pg_cons];
- /* Don't unmap yet. If we're unable to allocate a new
- * page, we need to recycle the page and the DMA addr.
- */
- mapping_old = dma_unmap_addr(rx_pg, mapping);
- if (i == pages - 1)
- frag_len -= 4;
- skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
- rx_pg->page = NULL;
- err = bnx2_alloc_rx_page(bp, rxr,
- BNX2_RX_PG_RING_IDX(pg_prod),
- GFP_ATOMIC);
- if (unlikely(err)) {
- rxr->rx_pg_cons = pg_cons;
- rxr->rx_pg_prod = pg_prod;
- bnx2_reuse_rx_skb_pages(bp, rxr, skb,
- pages - i);
- return NULL;
- }
- dma_unmap_page(&bp->pdev->dev, mapping_old,
- PAGE_SIZE, DMA_FROM_DEVICE);
- frag_size -= frag_len;
- skb->data_len += frag_len;
- skb->truesize += PAGE_SIZE;
- skb->len += frag_len;
- pg_prod = BNX2_NEXT_RX_BD(pg_prod);
- pg_cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(pg_cons));
- }
- rxr->rx_pg_prod = pg_prod;
- rxr->rx_pg_cons = pg_cons;
- }
- return skb;
- }
- static inline u16
- bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
- {
- u16 cons;
- cons = READ_ONCE(*bnapi->hw_rx_cons_ptr);
- if (unlikely((cons & BNX2_MAX_RX_DESC_CNT) == BNX2_MAX_RX_DESC_CNT))
- cons++;
- return cons;
- }
- static int
- bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
- {
- struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
- u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
- struct l2_fhdr *rx_hdr;
- int rx_pkt = 0, pg_ring_used = 0;
- if (budget <= 0)
- return rx_pkt;
- hw_cons = bnx2_get_hw_rx_cons(bnapi);
- sw_cons = rxr->rx_cons;
- sw_prod = rxr->rx_prod;
- /* Memory barrier necessary as speculative reads of the rx
- * buffer can be ahead of the index in the status block
- */
- rmb();
- while (sw_cons != hw_cons) {
- unsigned int len, hdr_len;
- u32 status;
- struct bnx2_sw_bd *rx_buf, *next_rx_buf;
- struct sk_buff *skb;
- dma_addr_t dma_addr;
- u8 *data;
- u16 next_ring_idx;
- sw_ring_cons = BNX2_RX_RING_IDX(sw_cons);
- sw_ring_prod = BNX2_RX_RING_IDX(sw_prod);
- rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
- data = rx_buf->data;
- rx_buf->data = NULL;
- rx_hdr = get_l2_fhdr(data);
- prefetch(rx_hdr);
- dma_addr = dma_unmap_addr(rx_buf, mapping);
- dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
- BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
- DMA_FROM_DEVICE);
- next_ring_idx = BNX2_RX_RING_IDX(BNX2_NEXT_RX_BD(sw_cons));
- next_rx_buf = &rxr->rx_buf_ring[next_ring_idx];
- prefetch(get_l2_fhdr(next_rx_buf->data));
- len = rx_hdr->l2_fhdr_pkt_len;
- status = rx_hdr->l2_fhdr_status;
- hdr_len = 0;
- if (status & L2_FHDR_STATUS_SPLIT) {
- hdr_len = rx_hdr->l2_fhdr_ip_xsum;
- pg_ring_used = 1;
- } else if (len > bp->rx_jumbo_thresh) {
- hdr_len = bp->rx_jumbo_thresh;
- pg_ring_used = 1;
- }
- if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
- L2_FHDR_ERRORS_PHY_DECODE |
- L2_FHDR_ERRORS_ALIGNMENT |
- L2_FHDR_ERRORS_TOO_SHORT |
- L2_FHDR_ERRORS_GIANT_FRAME))) {
- bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
- sw_ring_prod);
- if (pg_ring_used) {
- int pages;
- pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
- bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
- }
- goto next_rx;
- }
- len -= 4;
- if (len <= bp->rx_copy_thresh) {
- skb = netdev_alloc_skb(bp->dev, len + 6);
- if (!skb) {
- bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
- sw_ring_prod);
- goto next_rx;
- }
- /* aligned copy */
- memcpy(skb->data,
- (u8 *)rx_hdr + BNX2_RX_OFFSET - 6,
- len + 6);
- skb_reserve(skb, 6);
- skb_put(skb, len);
- bnx2_reuse_rx_data(bp, rxr, data,
- sw_ring_cons, sw_ring_prod);
- } else {
- skb = bnx2_rx_skb(bp, rxr, data, len, hdr_len, dma_addr,
- (sw_ring_cons << 16) | sw_ring_prod);
- if (!skb)
- goto next_rx;
- }
- if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
- !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
- __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rx_hdr->l2_fhdr_vlan_tag);
- skb->protocol = eth_type_trans(skb, bp->dev);
- if (len > (bp->dev->mtu + ETH_HLEN) &&
- skb->protocol != htons(0x8100) &&
- skb->protocol != htons(ETH_P_8021AD)) {
- dev_kfree_skb(skb);
- goto next_rx;
- }
- skb_checksum_none_assert(skb);
- if ((bp->dev->features & NETIF_F_RXCSUM) &&
- (status & (L2_FHDR_STATUS_TCP_SEGMENT |
- L2_FHDR_STATUS_UDP_DATAGRAM))) {
- if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
- L2_FHDR_ERRORS_UDP_XSUM)) == 0))
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- }
- if ((bp->dev->features & NETIF_F_RXHASH) &&
- ((status & L2_FHDR_STATUS_USE_RXHASH) ==
- L2_FHDR_STATUS_USE_RXHASH))
- skb_set_hash(skb, rx_hdr->l2_fhdr_hash,
- PKT_HASH_TYPE_L3);
- skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
- napi_gro_receive(&bnapi->napi, skb);
- rx_pkt++;
- next_rx:
- sw_cons = BNX2_NEXT_RX_BD(sw_cons);
- sw_prod = BNX2_NEXT_RX_BD(sw_prod);
- if (rx_pkt == budget)
- break;
- /* Refresh hw_cons to see if there is new work */
- if (sw_cons == hw_cons) {
- hw_cons = bnx2_get_hw_rx_cons(bnapi);
- rmb();
- }
- }
- rxr->rx_cons = sw_cons;
- rxr->rx_prod = sw_prod;
- if (pg_ring_used)
- BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
- BNX2_WR16(bp, rxr->rx_bidx_addr, sw_prod);
- BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
- return rx_pkt;
- }
- /* MSI ISR - The only difference between this and the INTx ISR
- * is that the MSI interrupt is always serviced.
- */
- static irqreturn_t
- bnx2_msi(int irq, void *dev_instance)
- {
- struct bnx2_napi *bnapi = dev_instance;
- struct bnx2 *bp = bnapi->bp;
- prefetch(bnapi->status_blk.msi);
- BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
- BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
- BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
- /* Return here if interrupt is disabled. */
- if (unlikely(atomic_read(&bp->intr_sem) != 0))
- return IRQ_HANDLED;
- napi_schedule(&bnapi->napi);
- return IRQ_HANDLED;
- }
- static irqreturn_t
- bnx2_msi_1shot(int irq, void *dev_instance)
- {
- struct bnx2_napi *bnapi = dev_instance;
- struct bnx2 *bp = bnapi->bp;
- prefetch(bnapi->status_blk.msi);
- /* Return here if interrupt is disabled. */
- if (unlikely(atomic_read(&bp->intr_sem) != 0))
- return IRQ_HANDLED;
- napi_schedule(&bnapi->napi);
- return IRQ_HANDLED;
- }
- static irqreturn_t
- bnx2_interrupt(int irq, void *dev_instance)
- {
- struct bnx2_napi *bnapi = dev_instance;
- struct bnx2 *bp = bnapi->bp;
- struct status_block *sblk = bnapi->status_blk.msi;
- /* When using INTx, it is possible for the interrupt to arrive
- * at the CPU before the status block posted prior to the
- * interrupt. Reading a register will flush the status block.
- * When using MSI, the MSI message will always complete after
- * the status block write.
- */
- if ((sblk->status_idx == bnapi->last_status_idx) &&
- (BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS) &
- BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
- return IRQ_NONE;
- BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
- BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
- BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
- /* Read back to deassert IRQ immediately to avoid too many
- * spurious interrupts.
- */
- BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
- /* Return here if interrupt is shared and is disabled. */
- if (unlikely(atomic_read(&bp->intr_sem) != 0))
- return IRQ_HANDLED;
- if (napi_schedule_prep(&bnapi->napi)) {
- bnapi->last_status_idx = sblk->status_idx;
- __napi_schedule(&bnapi->napi);
- }
- return IRQ_HANDLED;
- }
- static inline int
- bnx2_has_fast_work(struct bnx2_napi *bnapi)
- {
- struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
- struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
- if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
- (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
- return 1;
- return 0;
- }
- #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
- STATUS_ATTN_BITS_TIMER_ABORT)
- static inline int
- bnx2_has_work(struct bnx2_napi *bnapi)
- {
- struct status_block *sblk = bnapi->status_blk.msi;
- if (bnx2_has_fast_work(bnapi))
- return 1;
- #ifdef BCM_CNIC
- if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
- return 1;
- #endif
- if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
- (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
- return 1;
- return 0;
- }
- static void
- bnx2_chk_missed_msi(struct bnx2 *bp)
- {
- struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
- u32 msi_ctrl;
- if (bnx2_has_work(bnapi)) {
- msi_ctrl = BNX2_RD(bp, BNX2_PCICFG_MSI_CONTROL);
- if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
- return;
- if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
- BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
- ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
- BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
- bnx2_msi(bp->irq_tbl[0].vector, bnapi);
- }
- }
- bp->idle_chk_status_idx = bnapi->last_status_idx;
- }
- #ifdef BCM_CNIC
- static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
- {
- struct cnic_ops *c_ops;
- if (!bnapi->cnic_present)
- return;
- rcu_read_lock();
- c_ops = rcu_dereference(bp->cnic_ops);
- if (c_ops)
- bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
- bnapi->status_blk.msi);
- rcu_read_unlock();
- }
- #endif
- static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
- {
- struct status_block *sblk = bnapi->status_blk.msi;
- u32 status_attn_bits = sblk->status_attn_bits;
- u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
- if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
- (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
- bnx2_phy_int(bp, bnapi);
- /* This is needed to take care of transient status
- * during link changes.
- */
- BNX2_WR(bp, BNX2_HC_COMMAND,
- bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
- BNX2_RD(bp, BNX2_HC_COMMAND);
- }
- }
- static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
- int work_done, int budget)
- {
- struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
- struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
- if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
- bnx2_tx_int(bp, bnapi, 0);
- if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
- work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
- return work_done;
- }
- static int bnx2_poll_msix(struct napi_struct *napi, int budget)
- {
- struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
- struct bnx2 *bp = bnapi->bp;
- int work_done = 0;
- struct status_block_msix *sblk = bnapi->status_blk.msix;
- while (1) {
- work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
- if (unlikely(work_done >= budget))
- break;
- bnapi->last_status_idx = sblk->status_idx;
- /* status idx must be read before checking for more work. */
- rmb();
- if (likely(!bnx2_has_fast_work(bnapi))) {
- napi_complete_done(napi, work_done);
- BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
- BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
- bnapi->last_status_idx);
- break;
- }
- }
- return work_done;
- }
- static int bnx2_poll(struct napi_struct *napi, int budget)
- {
- struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
- struct bnx2 *bp = bnapi->bp;
- int work_done = 0;
- struct status_block *sblk = bnapi->status_blk.msi;
- while (1) {
- bnx2_poll_link(bp, bnapi);
- work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
- #ifdef BCM_CNIC
- bnx2_poll_cnic(bp, bnapi);
- #endif
- /* bnapi->last_status_idx is used below to tell the hw how
- * much work has been processed, so we must read it before
- * checking for more work.
- */
- bnapi->last_status_idx = sblk->status_idx;
- if (unlikely(work_done >= budget))
- break;
- rmb();
- if (likely(!bnx2_has_work(bnapi))) {
- napi_complete_done(napi, work_done);
- if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
- BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
- BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
- bnapi->last_status_idx);
- break;
- }
- BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
- BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
- BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
- bnapi->last_status_idx);
- BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
- BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
- bnapi->last_status_idx);
- break;
- }
- }
- return work_done;
- }
- /* Called with rtnl_lock from vlan functions and also netif_tx_lock
- * from set_multicast.
- */
- static void
- bnx2_set_rx_mode(struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- u32 rx_mode, sort_mode;
- struct netdev_hw_addr *ha;
- int i;
- if (!netif_running(dev))
- return;
- spin_lock_bh(&bp->phy_lock);
- rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
- BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
- sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
- if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
- (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
- rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
- if (dev->flags & IFF_PROMISC) {
- /* Promiscuous mode. */
- rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
- sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
- BNX2_RPM_SORT_USER0_PROM_VLAN;
- }
- else if (dev->flags & IFF_ALLMULTI) {
- for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
- BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
- 0xffffffff);
- }
- sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
- }
- else {
- /* Accept one or more multicast(s). */
- u32 mc_filter[NUM_MC_HASH_REGISTERS];
- u32 regidx;
- u32 bit;
- u32 crc;
- memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
- netdev_for_each_mc_addr(ha, dev) {
- crc = ether_crc_le(ETH_ALEN, ha->addr);
- bit = crc & 0xff;
- regidx = (bit & 0xe0) >> 5;
- bit &= 0x1f;
- mc_filter[regidx] |= (1 << bit);
- }
- for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
- BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
- mc_filter[i]);
- }
- sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
- }
- if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
- rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
- sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
- BNX2_RPM_SORT_USER0_PROM_VLAN;
- } else if (!(dev->flags & IFF_PROMISC)) {
- /* Add all entries into to the match filter list */
- i = 0;
- netdev_for_each_uc_addr(ha, dev) {
- bnx2_set_mac_addr(bp, ha->addr,
- i + BNX2_START_UNICAST_ADDRESS_INDEX);
- sort_mode |= (1 <<
- (i + BNX2_START_UNICAST_ADDRESS_INDEX));
- i++;
- }
- }
- if (rx_mode != bp->rx_mode) {
- bp->rx_mode = rx_mode;
- BNX2_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
- }
- BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
- BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
- BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
- spin_unlock_bh(&bp->phy_lock);
- }
- static int
- check_fw_section(const struct firmware *fw,
- const struct bnx2_fw_file_section *section,
- u32 alignment, bool non_empty)
- {
- u32 offset = be32_to_cpu(section->offset);
- u32 len = be32_to_cpu(section->len);
- if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
- return -EINVAL;
- if ((non_empty && len == 0) || len > fw->size - offset ||
- len & (alignment - 1))
- return -EINVAL;
- return 0;
- }
- static int
- check_mips_fw_entry(const struct firmware *fw,
- const struct bnx2_mips_fw_file_entry *entry)
- {
- if (check_fw_section(fw, &entry->text, 4, true) ||
- check_fw_section(fw, &entry->data, 4, false) ||
- check_fw_section(fw, &entry->rodata, 4, false))
- return -EINVAL;
- return 0;
- }
- static void bnx2_release_firmware(struct bnx2 *bp)
- {
- if (bp->rv2p_firmware) {
- release_firmware(bp->mips_firmware);
- release_firmware(bp->rv2p_firmware);
- bp->rv2p_firmware = NULL;
- }
- }
- static int bnx2_request_uncached_firmware(struct bnx2 *bp)
- {
- const char *mips_fw_file, *rv2p_fw_file;
- const struct bnx2_mips_fw_file *mips_fw;
- const struct bnx2_rv2p_fw_file *rv2p_fw;
- int rc;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- mips_fw_file = FW_MIPS_FILE_09;
- if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A0) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A1))
- rv2p_fw_file = FW_RV2P_FILE_09_Ax;
- else
- rv2p_fw_file = FW_RV2P_FILE_09;
- } else {
- mips_fw_file = FW_MIPS_FILE_06;
- rv2p_fw_file = FW_RV2P_FILE_06;
- }
- rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
- if (rc) {
- pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
- goto out;
- }
- rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
- if (rc) {
- pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
- goto err_release_mips_firmware;
- }
- mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
- rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
- if (bp->mips_firmware->size < sizeof(*mips_fw) ||
- check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
- check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
- check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
- check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
- check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
- pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
- rc = -EINVAL;
- goto err_release_firmware;
- }
- if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
- check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
- check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
- pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
- rc = -EINVAL;
- goto err_release_firmware;
- }
- out:
- return rc;
- err_release_firmware:
- release_firmware(bp->rv2p_firmware);
- bp->rv2p_firmware = NULL;
- err_release_mips_firmware:
- release_firmware(bp->mips_firmware);
- goto out;
- }
- static int bnx2_request_firmware(struct bnx2 *bp)
- {
- return bp->rv2p_firmware ? 0 : bnx2_request_uncached_firmware(bp);
- }
- static u32
- rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
- {
- switch (idx) {
- case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
- rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
- rv2p_code |= RV2P_BD_PAGE_SIZE;
- break;
- }
- return rv2p_code;
- }
- static int
- load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
- const struct bnx2_rv2p_fw_file_entry *fw_entry)
- {
- u32 rv2p_code_len, file_offset;
- __be32 *rv2p_code;
- int i;
- u32 val, cmd, addr;
- rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
- file_offset = be32_to_cpu(fw_entry->rv2p.offset);
- rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
- if (rv2p_proc == RV2P_PROC1) {
- cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
- addr = BNX2_RV2P_PROC1_ADDR_CMD;
- } else {
- cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
- addr = BNX2_RV2P_PROC2_ADDR_CMD;
- }
- for (i = 0; i < rv2p_code_len; i += 8) {
- BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
- rv2p_code++;
- BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
- rv2p_code++;
- val = (i / 8) | cmd;
- BNX2_WR(bp, addr, val);
- }
- rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
- for (i = 0; i < 8; i++) {
- u32 loc, code;
- loc = be32_to_cpu(fw_entry->fixup[i]);
- if (loc && ((loc * 4) < rv2p_code_len)) {
- code = be32_to_cpu(*(rv2p_code + loc - 1));
- BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
- code = be32_to_cpu(*(rv2p_code + loc));
- code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
- BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, code);
- val = (loc / 2) | cmd;
- BNX2_WR(bp, addr, val);
- }
- }
- /* Reset the processor, un-stall is done later. */
- if (rv2p_proc == RV2P_PROC1) {
- BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
- }
- else {
- BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
- }
- return 0;
- }
- static int
- load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
- const struct bnx2_mips_fw_file_entry *fw_entry)
- {
- u32 addr, len, file_offset;
- __be32 *data;
- u32 offset;
- u32 val;
- /* Halt the CPU. */
- val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
- val |= cpu_reg->mode_value_halt;
- bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
- bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
- /* Load the Text area. */
- addr = be32_to_cpu(fw_entry->text.addr);
- len = be32_to_cpu(fw_entry->text.len);
- file_offset = be32_to_cpu(fw_entry->text.offset);
- data = (__be32 *)(bp->mips_firmware->data + file_offset);
- offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
- if (len) {
- int j;
- for (j = 0; j < (len / 4); j++, offset += 4)
- bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
- }
- /* Load the Data area. */
- addr = be32_to_cpu(fw_entry->data.addr);
- len = be32_to_cpu(fw_entry->data.len);
- file_offset = be32_to_cpu(fw_entry->data.offset);
- data = (__be32 *)(bp->mips_firmware->data + file_offset);
- offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
- if (len) {
- int j;
- for (j = 0; j < (len / 4); j++, offset += 4)
- bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
- }
- /* Load the Read-Only area. */
- addr = be32_to_cpu(fw_entry->rodata.addr);
- len = be32_to_cpu(fw_entry->rodata.len);
- file_offset = be32_to_cpu(fw_entry->rodata.offset);
- data = (__be32 *)(bp->mips_firmware->data + file_offset);
- offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
- if (len) {
- int j;
- for (j = 0; j < (len / 4); j++, offset += 4)
- bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
- }
- /* Clear the pre-fetch instruction. */
- bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
- val = be32_to_cpu(fw_entry->start_addr);
- bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
- /* Start the CPU. */
- val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
- val &= ~cpu_reg->mode_value_halt;
- bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
- bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
- return 0;
- }
- static int
- bnx2_init_cpus(struct bnx2 *bp)
- {
- const struct bnx2_mips_fw_file *mips_fw =
- (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
- const struct bnx2_rv2p_fw_file *rv2p_fw =
- (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
- int rc;
- /* Initialize the RV2P processor. */
- load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
- load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
- /* Initialize the RX Processor. */
- rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
- if (rc)
- goto init_cpu_err;
- /* Initialize the TX Processor. */
- rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
- if (rc)
- goto init_cpu_err;
- /* Initialize the TX Patch-up Processor. */
- rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
- if (rc)
- goto init_cpu_err;
- /* Initialize the Completion Processor. */
- rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
- if (rc)
- goto init_cpu_err;
- /* Initialize the Command Processor. */
- rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
- init_cpu_err:
- return rc;
- }
- static void
- bnx2_setup_wol(struct bnx2 *bp)
- {
- int i;
- u32 val, wol_msg;
- if (bp->wol) {
- u32 advertising;
- u8 autoneg;
- autoneg = bp->autoneg;
- advertising = bp->advertising;
- if (bp->phy_port == PORT_TP) {
- bp->autoneg = AUTONEG_SPEED;
- bp->advertising = ADVERTISED_10baseT_Half |
- ADVERTISED_10baseT_Full |
- ADVERTISED_100baseT_Half |
- ADVERTISED_100baseT_Full |
- ADVERTISED_Autoneg;
- }
- spin_lock_bh(&bp->phy_lock);
- bnx2_setup_phy(bp, bp->phy_port);
- spin_unlock_bh(&bp->phy_lock);
- bp->autoneg = autoneg;
- bp->advertising = advertising;
- bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
- val = BNX2_RD(bp, BNX2_EMAC_MODE);
- /* Enable port mode. */
- val &= ~BNX2_EMAC_MODE_PORT;
- val |= BNX2_EMAC_MODE_MPKT_RCVD |
- BNX2_EMAC_MODE_ACPI_RCVD |
- BNX2_EMAC_MODE_MPKT;
- if (bp->phy_port == PORT_TP) {
- val |= BNX2_EMAC_MODE_PORT_MII;
- } else {
- val |= BNX2_EMAC_MODE_PORT_GMII;
- if (bp->line_speed == SPEED_2500)
- val |= BNX2_EMAC_MODE_25G_MODE;
- }
- BNX2_WR(bp, BNX2_EMAC_MODE, val);
- /* receive all multicast */
- for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
- BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
- 0xffffffff);
- }
- BNX2_WR(bp, BNX2_EMAC_RX_MODE, BNX2_EMAC_RX_MODE_SORT_MODE);
- val = 1 | BNX2_RPM_SORT_USER0_BC_EN | BNX2_RPM_SORT_USER0_MC_EN;
- BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
- BNX2_WR(bp, BNX2_RPM_SORT_USER0, val);
- BNX2_WR(bp, BNX2_RPM_SORT_USER0, val | BNX2_RPM_SORT_USER0_ENA);
- /* Need to enable EMAC and RPM for WOL. */
- BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
- BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
- BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
- BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
- val = BNX2_RD(bp, BNX2_RPM_CONFIG);
- val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
- BNX2_WR(bp, BNX2_RPM_CONFIG, val);
- wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
- } else {
- wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
- }
- if (!(bp->flags & BNX2_FLAG_NO_WOL)) {
- u32 val;
- wol_msg |= BNX2_DRV_MSG_DATA_WAIT3;
- if (bp->fw_last_msg || BNX2_CHIP(bp) != BNX2_CHIP_5709) {
- bnx2_fw_sync(bp, wol_msg, 1, 0);
- return;
- }
- /* Tell firmware not to power down the PHY yet, otherwise
- * the chip will take a long time to respond to MMIO reads.
- */
- val = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
- bnx2_shmem_wr(bp, BNX2_PORT_FEATURE,
- val | BNX2_PORT_FEATURE_ASF_ENABLED);
- bnx2_fw_sync(bp, wol_msg, 1, 0);
- bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, val);
- }
- }
- static int
- bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
- {
- switch (state) {
- case PCI_D0: {
- u32 val;
- pci_enable_wake(bp->pdev, PCI_D0, false);
- pci_set_power_state(bp->pdev, PCI_D0);
- val = BNX2_RD(bp, BNX2_EMAC_MODE);
- val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
- val &= ~BNX2_EMAC_MODE_MPKT;
- BNX2_WR(bp, BNX2_EMAC_MODE, val);
- val = BNX2_RD(bp, BNX2_RPM_CONFIG);
- val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
- BNX2_WR(bp, BNX2_RPM_CONFIG, val);
- break;
- }
- case PCI_D3hot: {
- bnx2_setup_wol(bp);
- pci_wake_from_d3(bp->pdev, bp->wol);
- if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)) {
- if (bp->wol)
- pci_set_power_state(bp->pdev, PCI_D3hot);
- break;
- }
- if (!bp->fw_last_msg && BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- u32 val;
- /* Tell firmware not to power down the PHY yet,
- * otherwise the other port may not respond to
- * MMIO reads.
- */
- val = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
- val &= ~BNX2_CONDITION_PM_STATE_MASK;
- val |= BNX2_CONDITION_PM_STATE_UNPREP;
- bnx2_shmem_wr(bp, BNX2_BC_STATE_CONDITION, val);
- }
- pci_set_power_state(bp->pdev, PCI_D3hot);
- /* No more memory access after this point until
- * device is brought back to D0.
- */
- break;
- }
- default:
- return -EINVAL;
- }
- return 0;
- }
- static int
- bnx2_acquire_nvram_lock(struct bnx2 *bp)
- {
- u32 val;
- int j;
- /* Request access to the flash interface. */
- BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
- for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
- val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
- if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
- break;
- udelay(5);
- }
- if (j >= NVRAM_TIMEOUT_COUNT)
- return -EBUSY;
- return 0;
- }
- static int
- bnx2_release_nvram_lock(struct bnx2 *bp)
- {
- int j;
- u32 val;
- /* Relinquish nvram interface. */
- BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
- for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
- val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
- if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
- break;
- udelay(5);
- }
- if (j >= NVRAM_TIMEOUT_COUNT)
- return -EBUSY;
- return 0;
- }
- static int
- bnx2_enable_nvram_write(struct bnx2 *bp)
- {
- u32 val;
- val = BNX2_RD(bp, BNX2_MISC_CFG);
- BNX2_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
- if (bp->flash_info->flags & BNX2_NV_WREN) {
- int j;
- BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
- BNX2_WR(bp, BNX2_NVM_COMMAND,
- BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
- for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
- udelay(5);
- val = BNX2_RD(bp, BNX2_NVM_COMMAND);
- if (val & BNX2_NVM_COMMAND_DONE)
- break;
- }
- if (j >= NVRAM_TIMEOUT_COUNT)
- return -EBUSY;
- }
- return 0;
- }
- static void
- bnx2_disable_nvram_write(struct bnx2 *bp)
- {
- u32 val;
- val = BNX2_RD(bp, BNX2_MISC_CFG);
- BNX2_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
- }
- static void
- bnx2_enable_nvram_access(struct bnx2 *bp)
- {
- u32 val;
- val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
- /* Enable both bits, even on read. */
- BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
- val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
- }
- static void
- bnx2_disable_nvram_access(struct bnx2 *bp)
- {
- u32 val;
- val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
- /* Disable both bits, even after read. */
- BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
- val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
- BNX2_NVM_ACCESS_ENABLE_WR_EN));
- }
- static int
- bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
- {
- u32 cmd;
- int j;
- if (bp->flash_info->flags & BNX2_NV_BUFFERED)
- /* Buffered flash, no erase needed */
- return 0;
- /* Build an erase command */
- cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
- BNX2_NVM_COMMAND_DOIT;
- /* Need to clear DONE bit separately. */
- BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
- /* Address of the NVRAM to read from. */
- BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
- /* Issue an erase command. */
- BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
- /* Wait for completion. */
- for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
- u32 val;
- udelay(5);
- val = BNX2_RD(bp, BNX2_NVM_COMMAND);
- if (val & BNX2_NVM_COMMAND_DONE)
- break;
- }
- if (j >= NVRAM_TIMEOUT_COUNT)
- return -EBUSY;
- return 0;
- }
- static int
- bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
- {
- u32 cmd;
- int j;
- /* Build the command word. */
- cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
- /* Calculate an offset of a buffered flash, not needed for 5709. */
- if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
- offset = ((offset / bp->flash_info->page_size) <<
- bp->flash_info->page_bits) +
- (offset % bp->flash_info->page_size);
- }
- /* Need to clear DONE bit separately. */
- BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
- /* Address of the NVRAM to read from. */
- BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
- /* Issue a read command. */
- BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
- /* Wait for completion. */
- for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
- u32 val;
- udelay(5);
- val = BNX2_RD(bp, BNX2_NVM_COMMAND);
- if (val & BNX2_NVM_COMMAND_DONE) {
- __be32 v = cpu_to_be32(BNX2_RD(bp, BNX2_NVM_READ));
- memcpy(ret_val, &v, 4);
- break;
- }
- }
- if (j >= NVRAM_TIMEOUT_COUNT)
- return -EBUSY;
- return 0;
- }
- static int
- bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
- {
- u32 cmd;
- __be32 val32;
- int j;
- /* Build the command word. */
- cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
- /* Calculate an offset of a buffered flash, not needed for 5709. */
- if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
- offset = ((offset / bp->flash_info->page_size) <<
- bp->flash_info->page_bits) +
- (offset % bp->flash_info->page_size);
- }
- /* Need to clear DONE bit separately. */
- BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
- memcpy(&val32, val, 4);
- /* Write the data. */
- BNX2_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
- /* Address of the NVRAM to write to. */
- BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
- /* Issue the write command. */
- BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
- /* Wait for completion. */
- for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
- udelay(5);
- if (BNX2_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
- break;
- }
- if (j >= NVRAM_TIMEOUT_COUNT)
- return -EBUSY;
- return 0;
- }
- static int
- bnx2_init_nvram(struct bnx2 *bp)
- {
- u32 val;
- int j, entry_count, rc = 0;
- const struct flash_spec *flash;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- bp->flash_info = &flash_5709;
- goto get_flash_size;
- }
- /* Determine the selected interface. */
- val = BNX2_RD(bp, BNX2_NVM_CFG1);
- entry_count = ARRAY_SIZE(flash_table);
- if (val & 0x40000000) {
- /* Flash interface has been reconfigured */
- for (j = 0, flash = &flash_table[0]; j < entry_count;
- j++, flash++) {
- if ((val & FLASH_BACKUP_STRAP_MASK) ==
- (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
- bp->flash_info = flash;
- break;
- }
- }
- }
- else {
- u32 mask;
- /* Not yet been reconfigured */
- if (val & (1 << 23))
- mask = FLASH_BACKUP_STRAP_MASK;
- else
- mask = FLASH_STRAP_MASK;
- for (j = 0, flash = &flash_table[0]; j < entry_count;
- j++, flash++) {
- if ((val & mask) == (flash->strapping & mask)) {
- bp->flash_info = flash;
- /* Request access to the flash interface. */
- if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
- return rc;
- /* Enable access to flash interface */
- bnx2_enable_nvram_access(bp);
- /* Reconfigure the flash interface */
- BNX2_WR(bp, BNX2_NVM_CFG1, flash->config1);
- BNX2_WR(bp, BNX2_NVM_CFG2, flash->config2);
- BNX2_WR(bp, BNX2_NVM_CFG3, flash->config3);
- BNX2_WR(bp, BNX2_NVM_WRITE1, flash->write1);
- /* Disable access to flash interface */
- bnx2_disable_nvram_access(bp);
- bnx2_release_nvram_lock(bp);
- break;
- }
- }
- } /* if (val & 0x40000000) */
- if (j == entry_count) {
- bp->flash_info = NULL;
- pr_alert("Unknown flash/EEPROM type\n");
- return -ENODEV;
- }
- get_flash_size:
- val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
- val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
- if (val)
- bp->flash_size = val;
- else
- bp->flash_size = bp->flash_info->total_size;
- return rc;
- }
- static int
- bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
- int buf_size)
- {
- int rc = 0;
- u32 cmd_flags, offset32, len32, extra;
- if (buf_size == 0)
- return 0;
- /* Request access to the flash interface. */
- if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
- return rc;
- /* Enable access to flash interface */
- bnx2_enable_nvram_access(bp);
- len32 = buf_size;
- offset32 = offset;
- extra = 0;
- cmd_flags = 0;
- if (offset32 & 3) {
- u8 buf[4];
- u32 pre_len;
- offset32 &= ~3;
- pre_len = 4 - (offset & 3);
- if (pre_len >= len32) {
- pre_len = len32;
- cmd_flags = BNX2_NVM_COMMAND_FIRST |
- BNX2_NVM_COMMAND_LAST;
- }
- else {
- cmd_flags = BNX2_NVM_COMMAND_FIRST;
- }
- rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
- if (rc)
- return rc;
- memcpy(ret_buf, buf + (offset & 3), pre_len);
- offset32 += 4;
- ret_buf += pre_len;
- len32 -= pre_len;
- }
- if (len32 & 3) {
- extra = 4 - (len32 & 3);
- len32 = (len32 + 4) & ~3;
- }
- if (len32 == 4) {
- u8 buf[4];
- if (cmd_flags)
- cmd_flags = BNX2_NVM_COMMAND_LAST;
- else
- cmd_flags = BNX2_NVM_COMMAND_FIRST |
- BNX2_NVM_COMMAND_LAST;
- rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
- memcpy(ret_buf, buf, 4 - extra);
- }
- else if (len32 > 0) {
- u8 buf[4];
- /* Read the first word. */
- if (cmd_flags)
- cmd_flags = 0;
- else
- cmd_flags = BNX2_NVM_COMMAND_FIRST;
- rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
- /* Advance to the next dword. */
- offset32 += 4;
- ret_buf += 4;
- len32 -= 4;
- while (len32 > 4 && rc == 0) {
- rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
- /* Advance to the next dword. */
- offset32 += 4;
- ret_buf += 4;
- len32 -= 4;
- }
- if (rc)
- return rc;
- cmd_flags = BNX2_NVM_COMMAND_LAST;
- rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
- memcpy(ret_buf, buf, 4 - extra);
- }
- /* Disable access to flash interface */
- bnx2_disable_nvram_access(bp);
- bnx2_release_nvram_lock(bp);
- return rc;
- }
- static int
- bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
- int buf_size)
- {
- u32 written, offset32, len32;
- u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
- int rc = 0;
- int align_start, align_end;
- buf = data_buf;
- offset32 = offset;
- len32 = buf_size;
- align_start = align_end = 0;
- if ((align_start = (offset32 & 3))) {
- offset32 &= ~3;
- len32 += align_start;
- if (len32 < 4)
- len32 = 4;
- if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
- return rc;
- }
- if (len32 & 3) {
- align_end = 4 - (len32 & 3);
- len32 += align_end;
- if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
- return rc;
- }
- if (align_start || align_end) {
- align_buf = kmalloc(len32, GFP_KERNEL);
- if (!align_buf)
- return -ENOMEM;
- if (align_start) {
- memcpy(align_buf, start, 4);
- }
- if (align_end) {
- memcpy(align_buf + len32 - 4, end, 4);
- }
- memcpy(align_buf + align_start, data_buf, buf_size);
- buf = align_buf;
- }
- if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
- flash_buffer = kmalloc(264, GFP_KERNEL);
- if (!flash_buffer) {
- rc = -ENOMEM;
- goto nvram_write_end;
- }
- }
- written = 0;
- while ((written < len32) && (rc == 0)) {
- u32 page_start, page_end, data_start, data_end;
- u32 addr, cmd_flags;
- int i;
- /* Find the page_start addr */
- page_start = offset32 + written;
- page_start -= (page_start % bp->flash_info->page_size);
- /* Find the page_end addr */
- page_end = page_start + bp->flash_info->page_size;
- /* Find the data_start addr */
- data_start = (written == 0) ? offset32 : page_start;
- /* Find the data_end addr */
- data_end = (page_end > offset32 + len32) ?
- (offset32 + len32) : page_end;
- /* Request access to the flash interface. */
- if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
- goto nvram_write_end;
- /* Enable access to flash interface */
- bnx2_enable_nvram_access(bp);
- cmd_flags = BNX2_NVM_COMMAND_FIRST;
- if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
- int j;
- /* Read the whole page into the buffer
- * (non-buffer flash only) */
- for (j = 0; j < bp->flash_info->page_size; j += 4) {
- if (j == (bp->flash_info->page_size - 4)) {
- cmd_flags |= BNX2_NVM_COMMAND_LAST;
- }
- rc = bnx2_nvram_read_dword(bp,
- page_start + j,
- &flash_buffer[j],
- cmd_flags);
- if (rc)
- goto nvram_write_end;
- cmd_flags = 0;
- }
- }
- /* Enable writes to flash interface (unlock write-protect) */
- if ((rc = bnx2_enable_nvram_write(bp)) != 0)
- goto nvram_write_end;
- /* Loop to write back the buffer data from page_start to
- * data_start */
- i = 0;
- if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
- /* Erase the page */
- if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
- goto nvram_write_end;
- /* Re-enable the write again for the actual write */
- bnx2_enable_nvram_write(bp);
- for (addr = page_start; addr < data_start;
- addr += 4, i += 4) {
- rc = bnx2_nvram_write_dword(bp, addr,
- &flash_buffer[i], cmd_flags);
- if (rc != 0)
- goto nvram_write_end;
- cmd_flags = 0;
- }
- }
- /* Loop to write the new data from data_start to data_end */
- for (addr = data_start; addr < data_end; addr += 4, i += 4) {
- if ((addr == page_end - 4) ||
- ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
- (addr == data_end - 4))) {
- cmd_flags |= BNX2_NVM_COMMAND_LAST;
- }
- rc = bnx2_nvram_write_dword(bp, addr, buf,
- cmd_flags);
- if (rc != 0)
- goto nvram_write_end;
- cmd_flags = 0;
- buf += 4;
- }
- /* Loop to write back the buffer data from data_end
- * to page_end */
- if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
- for (addr = data_end; addr < page_end;
- addr += 4, i += 4) {
- if (addr == page_end-4) {
- cmd_flags = BNX2_NVM_COMMAND_LAST;
- }
- rc = bnx2_nvram_write_dword(bp, addr,
- &flash_buffer[i], cmd_flags);
- if (rc != 0)
- goto nvram_write_end;
- cmd_flags = 0;
- }
- }
- /* Disable writes to flash interface (lock write-protect) */
- bnx2_disable_nvram_write(bp);
- /* Disable access to flash interface */
- bnx2_disable_nvram_access(bp);
- bnx2_release_nvram_lock(bp);
- /* Increment written */
- written += data_end - data_start;
- }
- nvram_write_end:
- kfree(flash_buffer);
- kfree(align_buf);
- return rc;
- }
- static void
- bnx2_init_fw_cap(struct bnx2 *bp)
- {
- u32 val, sig = 0;
- bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
- bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
- if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
- bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
- val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
- if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
- return;
- if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
- bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
- sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
- }
- if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
- (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
- u32 link;
- bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
- link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
- if (link & BNX2_LINK_STATUS_SERDES_LINK)
- bp->phy_port = PORT_FIBRE;
- else
- bp->phy_port = PORT_TP;
- sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
- BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
- }
- if (netif_running(bp->dev) && sig)
- bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
- }
- static void
- bnx2_setup_msix_tbl(struct bnx2 *bp)
- {
- BNX2_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
- BNX2_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
- BNX2_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
- }
- static void
- bnx2_wait_dma_complete(struct bnx2 *bp)
- {
- u32 val;
- int i;
- /*
- * Wait for the current PCI transaction to complete before
- * issuing a reset.
- */
- if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
- (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
- BNX2_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
- BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
- BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
- BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
- BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
- val = BNX2_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
- udelay(5);
- } else { /* 5709 */
- val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
- val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
- BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
- val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
- for (i = 0; i < 100; i++) {
- msleep(1);
- val = BNX2_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
- if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
- break;
- }
- }
- return;
- }
- static int
- bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
- {
- u32 val;
- int i, rc = 0;
- u8 old_port;
- /* Wait for the current PCI transaction to complete before
- * issuing a reset. */
- bnx2_wait_dma_complete(bp);
- /* Wait for the firmware to tell us it is ok to issue a reset. */
- bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
- /* Deposit a driver reset signature so the firmware knows that
- * this is a soft reset. */
- bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
- BNX2_DRV_RESET_SIGNATURE_MAGIC);
- /* Do a dummy read to force the chip to complete all current transaction
- * before we issue a reset. */
- val = BNX2_RD(bp, BNX2_MISC_ID);
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- BNX2_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
- BNX2_RD(bp, BNX2_MISC_COMMAND);
- udelay(5);
- val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
- BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
- BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
- } else {
- val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
- BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
- BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
- /* Chip reset. */
- BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
- /* Reading back any register after chip reset will hang the
- * bus on 5706 A0 and A1. The msleep below provides plenty
- * of margin for write posting.
- */
- if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1))
- msleep(20);
- /* Reset takes approximate 30 usec */
- for (i = 0; i < 10; i++) {
- val = BNX2_RD(bp, BNX2_PCICFG_MISC_CONFIG);
- if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
- BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
- break;
- udelay(10);
- }
- if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
- BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
- pr_err("Chip reset did not complete\n");
- return -EBUSY;
- }
- }
- /* Make sure byte swapping is properly configured. */
- val = BNX2_RD(bp, BNX2_PCI_SWAP_DIAG0);
- if (val != 0x01020304) {
- pr_err("Chip not in correct endian mode\n");
- return -ENODEV;
- }
- /* Wait for the firmware to finish its initialization. */
- rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
- if (rc)
- return rc;
- spin_lock_bh(&bp->phy_lock);
- old_port = bp->phy_port;
- bnx2_init_fw_cap(bp);
- if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
- old_port != bp->phy_port)
- bnx2_set_default_remote_link(bp);
- spin_unlock_bh(&bp->phy_lock);
- if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
- /* Adjust the voltage regular to two steps lower. The default
- * of this register is 0x0000000e. */
- BNX2_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
- /* Remove bad rbuf memory from the free pool. */
- rc = bnx2_alloc_bad_rbuf(bp);
- }
- if (bp->flags & BNX2_FLAG_USING_MSIX) {
- bnx2_setup_msix_tbl(bp);
- /* Prevent MSIX table reads and write from timing out */
- BNX2_WR(bp, BNX2_MISC_ECO_HW_CTL,
- BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
- }
- return rc;
- }
- static int
- bnx2_init_chip(struct bnx2 *bp)
- {
- u32 val, mtu;
- int rc, i;
- /* Make sure the interrupt is not active. */
- BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
- val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
- BNX2_DMA_CONFIG_DATA_WORD_SWAP |
- #ifdef __BIG_ENDIAN
- BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
- #endif
- BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
- DMA_READ_CHANS << 12 |
- DMA_WRITE_CHANS << 16;
- val |= (0x2 << 20) | (1 << 11);
- if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
- val |= (1 << 23);
- if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) &&
- (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0) &&
- !(bp->flags & BNX2_FLAG_PCIX))
- val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
- BNX2_WR(bp, BNX2_DMA_CONFIG, val);
- if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
- val = BNX2_RD(bp, BNX2_TDMA_CONFIG);
- val |= BNX2_TDMA_CONFIG_ONE_DMA;
- BNX2_WR(bp, BNX2_TDMA_CONFIG, val);
- }
- if (bp->flags & BNX2_FLAG_PCIX) {
- u16 val16;
- pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
- &val16);
- pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
- val16 & ~PCI_X_CMD_ERO);
- }
- BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
- BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
- BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
- BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
- /* Initialize context mapping and zero out the quick contexts. The
- * context block must have already been enabled. */
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- rc = bnx2_init_5709_context(bp);
- if (rc)
- return rc;
- } else
- bnx2_init_context(bp);
- if ((rc = bnx2_init_cpus(bp)) != 0)
- return rc;
- bnx2_init_nvram(bp);
- bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
- val = BNX2_RD(bp, BNX2_MQ_CONFIG);
- val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
- val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
- if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
- val |= BNX2_MQ_CONFIG_HALT_DIS;
- }
- BNX2_WR(bp, BNX2_MQ_CONFIG, val);
- val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
- BNX2_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
- BNX2_WR(bp, BNX2_MQ_KNL_WIND_END, val);
- val = (BNX2_PAGE_BITS - 8) << 24;
- BNX2_WR(bp, BNX2_RV2P_CONFIG, val);
- /* Configure page size. */
- val = BNX2_RD(bp, BNX2_TBDR_CONFIG);
- val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
- val |= (BNX2_PAGE_BITS - 8) << 24 | 0x40;
- BNX2_WR(bp, BNX2_TBDR_CONFIG, val);
- val = bp->mac_addr[0] +
- (bp->mac_addr[1] << 8) +
- (bp->mac_addr[2] << 16) +
- bp->mac_addr[3] +
- (bp->mac_addr[4] << 8) +
- (bp->mac_addr[5] << 16);
- BNX2_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
- /* Program the MTU. Also include 4 bytes for CRC32. */
- mtu = bp->dev->mtu;
- val = mtu + ETH_HLEN + ETH_FCS_LEN;
- if (val > (MAX_ETHERNET_PACKET_SIZE + ETH_HLEN + 4))
- val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
- BNX2_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
- if (mtu < ETH_DATA_LEN)
- mtu = ETH_DATA_LEN;
- bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
- bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
- bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
- memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
- for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
- bp->bnx2_napi[i].last_status_idx = 0;
- bp->idle_chk_status_idx = 0xffff;
- /* Set up how to generate a link change interrupt. */
- BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
- BNX2_WR(bp, BNX2_HC_STATUS_ADDR_L,
- (u64) bp->status_blk_mapping & 0xffffffff);
- BNX2_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
- BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
- (u64) bp->stats_blk_mapping & 0xffffffff);
- BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
- (u64) bp->stats_blk_mapping >> 32);
- BNX2_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
- (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
- BNX2_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
- (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
- BNX2_WR(bp, BNX2_HC_COMP_PROD_TRIP,
- (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
- BNX2_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
- BNX2_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
- BNX2_WR(bp, BNX2_HC_COM_TICKS,
- (bp->com_ticks_int << 16) | bp->com_ticks);
- BNX2_WR(bp, BNX2_HC_CMD_TICKS,
- (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
- if (bp->flags & BNX2_FLAG_BROKEN_STATS)
- BNX2_WR(bp, BNX2_HC_STATS_TICKS, 0);
- else
- BNX2_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
- BNX2_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
- if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)
- val = BNX2_HC_CONFIG_COLLECT_STATS;
- else {
- val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
- BNX2_HC_CONFIG_COLLECT_STATS;
- }
- if (bp->flags & BNX2_FLAG_USING_MSIX) {
- BNX2_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
- BNX2_HC_MSIX_BIT_VECTOR_VAL);
- val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
- }
- if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
- val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
- BNX2_WR(bp, BNX2_HC_CONFIG, val);
- if (bp->rx_ticks < 25)
- bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
- else
- bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
- for (i = 1; i < bp->irq_nvecs; i++) {
- u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
- BNX2_HC_SB_CONFIG_1;
- BNX2_WR(bp, base,
- BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
- BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
- BNX2_HC_SB_CONFIG_1_ONE_SHOT);
- BNX2_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
- (bp->tx_quick_cons_trip_int << 16) |
- bp->tx_quick_cons_trip);
- BNX2_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
- (bp->tx_ticks_int << 16) | bp->tx_ticks);
- BNX2_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
- (bp->rx_quick_cons_trip_int << 16) |
- bp->rx_quick_cons_trip);
- BNX2_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
- (bp->rx_ticks_int << 16) | bp->rx_ticks);
- }
- /* Clear internal stats counters. */
- BNX2_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
- BNX2_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
- /* Initialize the receive filter. */
- bnx2_set_rx_mode(bp->dev);
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
- val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
- BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
- }
- rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
- 1, 0);
- BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
- BNX2_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
- udelay(20);
- bp->hc_cmd = BNX2_RD(bp, BNX2_HC_COMMAND);
- return rc;
- }
- static void
- bnx2_clear_ring_states(struct bnx2 *bp)
- {
- struct bnx2_napi *bnapi;
- struct bnx2_tx_ring_info *txr;
- struct bnx2_rx_ring_info *rxr;
- int i;
- for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
- bnapi = &bp->bnx2_napi[i];
- txr = &bnapi->tx_ring;
- rxr = &bnapi->rx_ring;
- txr->tx_cons = 0;
- txr->hw_tx_cons = 0;
- rxr->rx_prod_bseq = 0;
- rxr->rx_prod = 0;
- rxr->rx_cons = 0;
- rxr->rx_pg_prod = 0;
- rxr->rx_pg_cons = 0;
- }
- }
- static void
- bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
- {
- u32 val, offset0, offset1, offset2, offset3;
- u32 cid_addr = GET_CID_ADDR(cid);
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- offset0 = BNX2_L2CTX_TYPE_XI;
- offset1 = BNX2_L2CTX_CMD_TYPE_XI;
- offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
- offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
- } else {
- offset0 = BNX2_L2CTX_TYPE;
- offset1 = BNX2_L2CTX_CMD_TYPE;
- offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
- offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
- }
- val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
- bnx2_ctx_wr(bp, cid_addr, offset0, val);
- val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
- bnx2_ctx_wr(bp, cid_addr, offset1, val);
- val = (u64) txr->tx_desc_mapping >> 32;
- bnx2_ctx_wr(bp, cid_addr, offset2, val);
- val = (u64) txr->tx_desc_mapping & 0xffffffff;
- bnx2_ctx_wr(bp, cid_addr, offset3, val);
- }
- static void
- bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
- {
- struct bnx2_tx_bd *txbd;
- u32 cid = TX_CID;
- struct bnx2_napi *bnapi;
- struct bnx2_tx_ring_info *txr;
- bnapi = &bp->bnx2_napi[ring_num];
- txr = &bnapi->tx_ring;
- if (ring_num == 0)
- cid = TX_CID;
- else
- cid = TX_TSS_CID + ring_num - 1;
- bp->tx_wake_thresh = bp->tx_ring_size / 2;
- txbd = &txr->tx_desc_ring[BNX2_MAX_TX_DESC_CNT];
- txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
- txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
- txr->tx_prod = 0;
- txr->tx_prod_bseq = 0;
- txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
- txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
- bnx2_init_tx_context(bp, cid, txr);
- }
- static void
- bnx2_init_rxbd_rings(struct bnx2_rx_bd *rx_ring[], dma_addr_t dma[],
- u32 buf_size, int num_rings)
- {
- int i;
- struct bnx2_rx_bd *rxbd;
- for (i = 0; i < num_rings; i++) {
- int j;
- rxbd = &rx_ring[i][0];
- for (j = 0; j < BNX2_MAX_RX_DESC_CNT; j++, rxbd++) {
- rxbd->rx_bd_len = buf_size;
- rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
- }
- if (i == (num_rings - 1))
- j = 0;
- else
- j = i + 1;
- rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
- rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
- }
- }
- static void
- bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
- {
- int i;
- u16 prod, ring_prod;
- u32 cid, rx_cid_addr, val;
- struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
- struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
- if (ring_num == 0)
- cid = RX_CID;
- else
- cid = RX_RSS_CID + ring_num - 1;
- rx_cid_addr = GET_CID_ADDR(cid);
- bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
- bp->rx_buf_use_size, bp->rx_max_ring);
- bnx2_init_rx_context(bp, cid);
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- val = BNX2_RD(bp, BNX2_MQ_MAP_L2_5);
- BNX2_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
- }
- bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
- if (bp->rx_pg_ring_size) {
- bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
- rxr->rx_pg_desc_mapping,
- PAGE_SIZE, bp->rx_max_pg_ring);
- val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
- bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
- bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
- BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
- val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
- bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
- val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
- bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- BNX2_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
- }
- val = (u64) rxr->rx_desc_mapping[0] >> 32;
- bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
- val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
- bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
- ring_prod = prod = rxr->rx_pg_prod;
- for (i = 0; i < bp->rx_pg_ring_size; i++) {
- if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
- netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
- ring_num, i, bp->rx_pg_ring_size);
- break;
- }
- prod = BNX2_NEXT_RX_BD(prod);
- ring_prod = BNX2_RX_PG_RING_IDX(prod);
- }
- rxr->rx_pg_prod = prod;
- ring_prod = prod = rxr->rx_prod;
- for (i = 0; i < bp->rx_ring_size; i++) {
- if (bnx2_alloc_rx_data(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
- netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
- ring_num, i, bp->rx_ring_size);
- break;
- }
- prod = BNX2_NEXT_RX_BD(prod);
- ring_prod = BNX2_RX_RING_IDX(prod);
- }
- rxr->rx_prod = prod;
- rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
- rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
- rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
- BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
- BNX2_WR16(bp, rxr->rx_bidx_addr, prod);
- BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
- }
- static void
- bnx2_init_all_rings(struct bnx2 *bp)
- {
- int i;
- u32 val;
- bnx2_clear_ring_states(bp);
- BNX2_WR(bp, BNX2_TSCH_TSS_CFG, 0);
- for (i = 0; i < bp->num_tx_rings; i++)
- bnx2_init_tx_ring(bp, i);
- if (bp->num_tx_rings > 1)
- BNX2_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
- (TX_TSS_CID << 7));
- BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
- bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
- for (i = 0; i < bp->num_rx_rings; i++)
- bnx2_init_rx_ring(bp, i);
- if (bp->num_rx_rings > 1) {
- u32 tbl_32 = 0;
- for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
- int shift = (i % 8) << 2;
- tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
- if ((i % 8) == 7) {
- BNX2_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
- BNX2_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
- BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
- BNX2_RLUP_RSS_COMMAND_WRITE |
- BNX2_RLUP_RSS_COMMAND_HASH_MASK);
- tbl_32 = 0;
- }
- }
- val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
- BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
- BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
- }
- }
- static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
- {
- u32 max, num_rings = 1;
- while (ring_size > BNX2_MAX_RX_DESC_CNT) {
- ring_size -= BNX2_MAX_RX_DESC_CNT;
- num_rings++;
- }
- /* round to next power of 2 */
- max = max_size;
- while ((max & num_rings) == 0)
- max >>= 1;
- if (num_rings != max)
- max <<= 1;
- return max;
- }
- static void
- bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
- {
- u32 rx_size, rx_space, jumbo_size;
- /* 8 for CRC and VLAN */
- rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
- rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
- SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
- bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
- bp->rx_pg_ring_size = 0;
- bp->rx_max_pg_ring = 0;
- bp->rx_max_pg_ring_idx = 0;
- if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
- int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
- jumbo_size = size * pages;
- if (jumbo_size > BNX2_MAX_TOTAL_RX_PG_DESC_CNT)
- jumbo_size = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
- bp->rx_pg_ring_size = jumbo_size;
- bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
- BNX2_MAX_RX_PG_RINGS);
- bp->rx_max_pg_ring_idx =
- (bp->rx_max_pg_ring * BNX2_RX_DESC_CNT) - 1;
- rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
- bp->rx_copy_thresh = 0;
- }
- bp->rx_buf_use_size = rx_size;
- /* hw alignment + build_skb() overhead*/
- bp->rx_buf_size = kmalloc_size_roundup(
- SKB_DATA_ALIGN(bp->rx_buf_use_size + BNX2_RX_ALIGN) +
- NET_SKB_PAD + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)));
- bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
- bp->rx_ring_size = size;
- bp->rx_max_ring = bnx2_find_max_ring(size, BNX2_MAX_RX_RINGS);
- bp->rx_max_ring_idx = (bp->rx_max_ring * BNX2_RX_DESC_CNT) - 1;
- }
- static void
- bnx2_free_tx_skbs(struct bnx2 *bp)
- {
- int i;
- for (i = 0; i < bp->num_tx_rings; i++) {
- struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
- struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
- int j;
- if (!txr->tx_buf_ring)
- continue;
- for (j = 0; j < BNX2_TX_DESC_CNT; ) {
- struct bnx2_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
- struct sk_buff *skb = tx_buf->skb;
- int k, last;
- if (!skb) {
- j = BNX2_NEXT_TX_BD(j);
- continue;
- }
- dma_unmap_single(&bp->pdev->dev,
- dma_unmap_addr(tx_buf, mapping),
- skb_headlen(skb),
- DMA_TO_DEVICE);
- tx_buf->skb = NULL;
- last = tx_buf->nr_frags;
- j = BNX2_NEXT_TX_BD(j);
- for (k = 0; k < last; k++, j = BNX2_NEXT_TX_BD(j)) {
- tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(j)];
- dma_unmap_page(&bp->pdev->dev,
- dma_unmap_addr(tx_buf, mapping),
- skb_frag_size(&skb_shinfo(skb)->frags[k]),
- DMA_TO_DEVICE);
- }
- dev_kfree_skb(skb);
- }
- netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i));
- }
- }
- static void
- bnx2_free_rx_skbs(struct bnx2 *bp)
- {
- int i;
- for (i = 0; i < bp->num_rx_rings; i++) {
- struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
- struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
- int j;
- if (!rxr->rx_buf_ring)
- return;
- for (j = 0; j < bp->rx_max_ring_idx; j++) {
- struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[j];
- u8 *data = rx_buf->data;
- if (!data)
- continue;
- dma_unmap_single(&bp->pdev->dev,
- dma_unmap_addr(rx_buf, mapping),
- bp->rx_buf_use_size,
- DMA_FROM_DEVICE);
- rx_buf->data = NULL;
- kfree(data);
- }
- for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
- bnx2_free_rx_page(bp, rxr, j);
- }
- }
- static void
- bnx2_free_skbs(struct bnx2 *bp)
- {
- bnx2_free_tx_skbs(bp);
- bnx2_free_rx_skbs(bp);
- }
- static int
- bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
- {
- int rc;
- rc = bnx2_reset_chip(bp, reset_code);
- bnx2_free_skbs(bp);
- if (rc)
- return rc;
- if ((rc = bnx2_init_chip(bp)) != 0)
- return rc;
- bnx2_init_all_rings(bp);
- return 0;
- }
- static int
- bnx2_init_nic(struct bnx2 *bp, int reset_phy)
- {
- int rc;
- if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
- return rc;
- spin_lock_bh(&bp->phy_lock);
- bnx2_init_phy(bp, reset_phy);
- bnx2_set_link(bp);
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
- bnx2_remote_phy_event(bp);
- spin_unlock_bh(&bp->phy_lock);
- return 0;
- }
- static int
- bnx2_shutdown_chip(struct bnx2 *bp)
- {
- u32 reset_code;
- if (bp->flags & BNX2_FLAG_NO_WOL)
- reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
- else if (bp->wol)
- reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
- else
- reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
- return bnx2_reset_chip(bp, reset_code);
- }
- static int
- bnx2_test_registers(struct bnx2 *bp)
- {
- int ret;
- int i, is_5709;
- static const struct {
- u16 offset;
- u16 flags;
- #define BNX2_FL_NOT_5709 1
- u32 rw_mask;
- u32 ro_mask;
- } reg_tbl[] = {
- { 0x006c, 0, 0x00000000, 0x0000003f },
- { 0x0090, 0, 0xffffffff, 0x00000000 },
- { 0x0094, 0, 0x00000000, 0x00000000 },
- { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
- { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
- { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
- { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
- { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
- { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
- { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
- { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
- { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
- { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
- { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
- { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
- { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
- { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
- { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
- { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
- { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
- { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
- { 0x1000, 0, 0x00000000, 0x00000001 },
- { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
- { 0x1408, 0, 0x01c00800, 0x00000000 },
- { 0x149c, 0, 0x8000ffff, 0x00000000 },
- { 0x14a8, 0, 0x00000000, 0x000001ff },
- { 0x14ac, 0, 0x0fffffff, 0x10000000 },
- { 0x14b0, 0, 0x00000002, 0x00000001 },
- { 0x14b8, 0, 0x00000000, 0x00000000 },
- { 0x14c0, 0, 0x00000000, 0x00000009 },
- { 0x14c4, 0, 0x00003fff, 0x00000000 },
- { 0x14cc, 0, 0x00000000, 0x00000001 },
- { 0x14d0, 0, 0xffffffff, 0x00000000 },
- { 0x1800, 0, 0x00000000, 0x00000001 },
- { 0x1804, 0, 0x00000000, 0x00000003 },
- { 0x2800, 0, 0x00000000, 0x00000001 },
- { 0x2804, 0, 0x00000000, 0x00003f01 },
- { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
- { 0x2810, 0, 0xffff0000, 0x00000000 },
- { 0x2814, 0, 0xffff0000, 0x00000000 },
- { 0x2818, 0, 0xffff0000, 0x00000000 },
- { 0x281c, 0, 0xffff0000, 0x00000000 },
- { 0x2834, 0, 0xffffffff, 0x00000000 },
- { 0x2840, 0, 0x00000000, 0xffffffff },
- { 0x2844, 0, 0x00000000, 0xffffffff },
- { 0x2848, 0, 0xffffffff, 0x00000000 },
- { 0x284c, 0, 0xf800f800, 0x07ff07ff },
- { 0x2c00, 0, 0x00000000, 0x00000011 },
- { 0x2c04, 0, 0x00000000, 0x00030007 },
- { 0x3c00, 0, 0x00000000, 0x00000001 },
- { 0x3c04, 0, 0x00000000, 0x00070000 },
- { 0x3c08, 0, 0x00007f71, 0x07f00000 },
- { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
- { 0x3c10, 0, 0xffffffff, 0x00000000 },
- { 0x3c14, 0, 0x00000000, 0xffffffff },
- { 0x3c18, 0, 0x00000000, 0xffffffff },
- { 0x3c1c, 0, 0xfffff000, 0x00000000 },
- { 0x3c20, 0, 0xffffff00, 0x00000000 },
- { 0x5004, 0, 0x00000000, 0x0000007f },
- { 0x5008, 0, 0x0f0007ff, 0x00000000 },
- { 0x5c00, 0, 0x00000000, 0x00000001 },
- { 0x5c04, 0, 0x00000000, 0x0003000f },
- { 0x5c08, 0, 0x00000003, 0x00000000 },
- { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
- { 0x5c10, 0, 0x00000000, 0xffffffff },
- { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
- { 0x5c84, 0, 0x00000000, 0x0000f333 },
- { 0x5c88, 0, 0x00000000, 0x00077373 },
- { 0x5c8c, 0, 0x00000000, 0x0007f737 },
- { 0x6808, 0, 0x0000ff7f, 0x00000000 },
- { 0x680c, 0, 0xffffffff, 0x00000000 },
- { 0x6810, 0, 0xffffffff, 0x00000000 },
- { 0x6814, 0, 0xffffffff, 0x00000000 },
- { 0x6818, 0, 0xffffffff, 0x00000000 },
- { 0x681c, 0, 0xffffffff, 0x00000000 },
- { 0x6820, 0, 0x00ff00ff, 0x00000000 },
- { 0x6824, 0, 0x00ff00ff, 0x00000000 },
- { 0x6828, 0, 0x00ff00ff, 0x00000000 },
- { 0x682c, 0, 0x03ff03ff, 0x00000000 },
- { 0x6830, 0, 0x03ff03ff, 0x00000000 },
- { 0x6834, 0, 0x03ff03ff, 0x00000000 },
- { 0x6838, 0, 0x03ff03ff, 0x00000000 },
- { 0x683c, 0, 0x0000ffff, 0x00000000 },
- { 0x6840, 0, 0x00000ff0, 0x00000000 },
- { 0x6844, 0, 0x00ffff00, 0x00000000 },
- { 0x684c, 0, 0xffffffff, 0x00000000 },
- { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
- { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
- { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
- { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
- { 0x6908, 0, 0x00000000, 0x0001ff0f },
- { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
- { 0xffff, 0, 0x00000000, 0x00000000 },
- };
- ret = 0;
- is_5709 = 0;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- is_5709 = 1;
- for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
- u32 offset, rw_mask, ro_mask, save_val, val;
- u16 flags = reg_tbl[i].flags;
- if (is_5709 && (flags & BNX2_FL_NOT_5709))
- continue;
- offset = (u32) reg_tbl[i].offset;
- rw_mask = reg_tbl[i].rw_mask;
- ro_mask = reg_tbl[i].ro_mask;
- save_val = readl(bp->regview + offset);
- writel(0, bp->regview + offset);
- val = readl(bp->regview + offset);
- if ((val & rw_mask) != 0) {
- goto reg_test_err;
- }
- if ((val & ro_mask) != (save_val & ro_mask)) {
- goto reg_test_err;
- }
- writel(0xffffffff, bp->regview + offset);
- val = readl(bp->regview + offset);
- if ((val & rw_mask) != rw_mask) {
- goto reg_test_err;
- }
- if ((val & ro_mask) != (save_val & ro_mask)) {
- goto reg_test_err;
- }
- writel(save_val, bp->regview + offset);
- continue;
- reg_test_err:
- writel(save_val, bp->regview + offset);
- ret = -ENODEV;
- break;
- }
- return ret;
- }
- static int
- bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
- {
- static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
- 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
- int i;
- for (i = 0; i < sizeof(test_pattern) / 4; i++) {
- u32 offset;
- for (offset = 0; offset < size; offset += 4) {
- bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
- if (bnx2_reg_rd_ind(bp, start + offset) !=
- test_pattern[i]) {
- return -ENODEV;
- }
- }
- }
- return 0;
- }
- static int
- bnx2_test_memory(struct bnx2 *bp)
- {
- int ret = 0;
- int i;
- static struct mem_entry {
- u32 offset;
- u32 len;
- } mem_tbl_5706[] = {
- { 0x60000, 0x4000 },
- { 0xa0000, 0x3000 },
- { 0xe0000, 0x4000 },
- { 0x120000, 0x4000 },
- { 0x1a0000, 0x4000 },
- { 0x160000, 0x4000 },
- { 0xffffffff, 0 },
- },
- mem_tbl_5709[] = {
- { 0x60000, 0x4000 },
- { 0xa0000, 0x3000 },
- { 0xe0000, 0x4000 },
- { 0x120000, 0x4000 },
- { 0x1a0000, 0x4000 },
- { 0xffffffff, 0 },
- };
- struct mem_entry *mem_tbl;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- mem_tbl = mem_tbl_5709;
- else
- mem_tbl = mem_tbl_5706;
- for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
- if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
- mem_tbl[i].len)) != 0) {
- return ret;
- }
- }
- return ret;
- }
- #define BNX2_MAC_LOOPBACK 0
- #define BNX2_PHY_LOOPBACK 1
- static int
- bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
- {
- unsigned int pkt_size, num_pkts, i;
- struct sk_buff *skb;
- u8 *data;
- unsigned char *packet;
- u16 rx_start_idx, rx_idx;
- dma_addr_t map;
- struct bnx2_tx_bd *txbd;
- struct bnx2_sw_bd *rx_buf;
- struct l2_fhdr *rx_hdr;
- int ret = -ENODEV;
- struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
- struct bnx2_tx_ring_info *txr;
- struct bnx2_rx_ring_info *rxr;
- tx_napi = bnapi;
- txr = &tx_napi->tx_ring;
- rxr = &bnapi->rx_ring;
- if (loopback_mode == BNX2_MAC_LOOPBACK) {
- bp->loopback = MAC_LOOPBACK;
- bnx2_set_mac_loopback(bp);
- }
- else if (loopback_mode == BNX2_PHY_LOOPBACK) {
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
- return 0;
- bp->loopback = PHY_LOOPBACK;
- bnx2_set_phy_loopback(bp);
- }
- else
- return -EINVAL;
- pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
- skb = netdev_alloc_skb(bp->dev, pkt_size);
- if (!skb)
- return -ENOMEM;
- packet = skb_put(skb, pkt_size);
- memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
- memset(packet + ETH_ALEN, 0x0, 8);
- for (i = 14; i < pkt_size; i++)
- packet[i] = (unsigned char) (i & 0xff);
- map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
- DMA_TO_DEVICE);
- if (dma_mapping_error(&bp->pdev->dev, map)) {
- dev_kfree_skb(skb);
- return -EIO;
- }
- BNX2_WR(bp, BNX2_HC_COMMAND,
- bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
- BNX2_RD(bp, BNX2_HC_COMMAND);
- udelay(5);
- rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
- num_pkts = 0;
- txbd = &txr->tx_desc_ring[BNX2_TX_RING_IDX(txr->tx_prod)];
- txbd->tx_bd_haddr_hi = (u64) map >> 32;
- txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
- txbd->tx_bd_mss_nbytes = pkt_size;
- txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
- num_pkts++;
- txr->tx_prod = BNX2_NEXT_TX_BD(txr->tx_prod);
- txr->tx_prod_bseq += pkt_size;
- BNX2_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
- BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
- udelay(100);
- BNX2_WR(bp, BNX2_HC_COMMAND,
- bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
- BNX2_RD(bp, BNX2_HC_COMMAND);
- udelay(5);
- dma_unmap_single(&bp->pdev->dev, map, pkt_size, DMA_TO_DEVICE);
- dev_kfree_skb(skb);
- if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
- goto loopback_test_done;
- rx_idx = bnx2_get_hw_rx_cons(bnapi);
- if (rx_idx != rx_start_idx + num_pkts) {
- goto loopback_test_done;
- }
- rx_buf = &rxr->rx_buf_ring[rx_start_idx];
- data = rx_buf->data;
- rx_hdr = get_l2_fhdr(data);
- data = (u8 *)rx_hdr + BNX2_RX_OFFSET;
- dma_sync_single_for_cpu(&bp->pdev->dev,
- dma_unmap_addr(rx_buf, mapping),
- bp->rx_buf_use_size, DMA_FROM_DEVICE);
- if (rx_hdr->l2_fhdr_status &
- (L2_FHDR_ERRORS_BAD_CRC |
- L2_FHDR_ERRORS_PHY_DECODE |
- L2_FHDR_ERRORS_ALIGNMENT |
- L2_FHDR_ERRORS_TOO_SHORT |
- L2_FHDR_ERRORS_GIANT_FRAME)) {
- goto loopback_test_done;
- }
- if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
- goto loopback_test_done;
- }
- for (i = 14; i < pkt_size; i++) {
- if (*(data + i) != (unsigned char) (i & 0xff)) {
- goto loopback_test_done;
- }
- }
- ret = 0;
- loopback_test_done:
- bp->loopback = 0;
- return ret;
- }
- #define BNX2_MAC_LOOPBACK_FAILED 1
- #define BNX2_PHY_LOOPBACK_FAILED 2
- #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
- BNX2_PHY_LOOPBACK_FAILED)
- static int
- bnx2_test_loopback(struct bnx2 *bp)
- {
- int rc = 0;
- if (!netif_running(bp->dev))
- return BNX2_LOOPBACK_FAILED;
- bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
- spin_lock_bh(&bp->phy_lock);
- bnx2_init_phy(bp, 1);
- spin_unlock_bh(&bp->phy_lock);
- if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
- rc |= BNX2_MAC_LOOPBACK_FAILED;
- if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
- rc |= BNX2_PHY_LOOPBACK_FAILED;
- return rc;
- }
- #define NVRAM_SIZE 0x200
- #define CRC32_RESIDUAL 0xdebb20e3
- static int
- bnx2_test_nvram(struct bnx2 *bp)
- {
- __be32 buf[NVRAM_SIZE / 4];
- u8 *data = (u8 *) buf;
- int rc = 0;
- u32 magic, csum;
- if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
- goto test_nvram_done;
- magic = be32_to_cpu(buf[0]);
- if (magic != 0x669955aa) {
- rc = -ENODEV;
- goto test_nvram_done;
- }
- if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
- goto test_nvram_done;
- csum = ether_crc_le(0x100, data);
- if (csum != CRC32_RESIDUAL) {
- rc = -ENODEV;
- goto test_nvram_done;
- }
- csum = ether_crc_le(0x100, data + 0x100);
- if (csum != CRC32_RESIDUAL) {
- rc = -ENODEV;
- }
- test_nvram_done:
- return rc;
- }
- static int
- bnx2_test_link(struct bnx2 *bp)
- {
- u32 bmsr;
- if (!netif_running(bp->dev))
- return -ENODEV;
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
- if (bp->link_up)
- return 0;
- return -ENODEV;
- }
- spin_lock_bh(&bp->phy_lock);
- bnx2_enable_bmsr1(bp);
- bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
- bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
- bnx2_disable_bmsr1(bp);
- spin_unlock_bh(&bp->phy_lock);
- if (bmsr & BMSR_LSTATUS) {
- return 0;
- }
- return -ENODEV;
- }
- static int
- bnx2_test_intr(struct bnx2 *bp)
- {
- int i;
- u16 status_idx;
- if (!netif_running(bp->dev))
- return -ENODEV;
- status_idx = BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
- /* This register is not touched during run-time. */
- BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
- BNX2_RD(bp, BNX2_HC_COMMAND);
- for (i = 0; i < 10; i++) {
- if ((BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
- status_idx) {
- break;
- }
- msleep_interruptible(10);
- }
- if (i < 10)
- return 0;
- return -ENODEV;
- }
- /* Determining link for parallel detection. */
- static int
- bnx2_5706_serdes_has_link(struct bnx2 *bp)
- {
- u32 mode_ctl, an_dbg, exp;
- if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
- return 0;
- bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
- bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
- if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
- return 0;
- bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
- bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
- bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
- if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
- return 0;
- bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
- bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
- bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
- if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
- return 0;
- return 1;
- }
- static void
- bnx2_5706_serdes_timer(struct bnx2 *bp)
- {
- int check_link = 1;
- spin_lock(&bp->phy_lock);
- if (bp->serdes_an_pending) {
- bp->serdes_an_pending--;
- check_link = 0;
- } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
- u32 bmcr;
- bp->current_interval = BNX2_TIMER_INTERVAL;
- bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- if (bmcr & BMCR_ANENABLE) {
- if (bnx2_5706_serdes_has_link(bp)) {
- bmcr &= ~BMCR_ANENABLE;
- bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
- bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
- bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
- }
- }
- }
- else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
- (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
- u32 phy2;
- bnx2_write_phy(bp, 0x17, 0x0f01);
- bnx2_read_phy(bp, 0x15, &phy2);
- if (phy2 & 0x20) {
- u32 bmcr;
- bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- bmcr |= BMCR_ANENABLE;
- bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
- bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
- }
- } else
- bp->current_interval = BNX2_TIMER_INTERVAL;
- if (check_link) {
- u32 val;
- bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
- bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
- bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
- if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
- if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
- bnx2_5706s_force_link_dn(bp, 1);
- bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
- } else
- bnx2_set_link(bp);
- } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
- bnx2_set_link(bp);
- }
- spin_unlock(&bp->phy_lock);
- }
- static void
- bnx2_5708_serdes_timer(struct bnx2 *bp)
- {
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
- return;
- if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
- bp->serdes_an_pending = 0;
- return;
- }
- spin_lock(&bp->phy_lock);
- if (bp->serdes_an_pending)
- bp->serdes_an_pending--;
- else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
- u32 bmcr;
- bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- if (bmcr & BMCR_ANENABLE) {
- bnx2_enable_forced_2g5(bp);
- bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
- } else {
- bnx2_disable_forced_2g5(bp);
- bp->serdes_an_pending = 2;
- bp->current_interval = BNX2_TIMER_INTERVAL;
- }
- } else
- bp->current_interval = BNX2_TIMER_INTERVAL;
- spin_unlock(&bp->phy_lock);
- }
- static void
- bnx2_timer(struct timer_list *t)
- {
- struct bnx2 *bp = from_timer(bp, t, timer);
- if (!netif_running(bp->dev))
- return;
- if (atomic_read(&bp->intr_sem) != 0)
- goto bnx2_restart_timer;
- if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
- BNX2_FLAG_USING_MSI)
- bnx2_chk_missed_msi(bp);
- bnx2_send_heart_beat(bp);
- bp->stats_blk->stat_FwRxDrop =
- bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
- /* workaround occasional corrupted counters */
- if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
- BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
- BNX2_HC_COMMAND_STATS_NOW);
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
- bnx2_5706_serdes_timer(bp);
- else
- bnx2_5708_serdes_timer(bp);
- }
- bnx2_restart_timer:
- mod_timer(&bp->timer, jiffies + bp->current_interval);
- }
- static int
- bnx2_request_irq(struct bnx2 *bp)
- {
- unsigned long flags;
- struct bnx2_irq *irq;
- int rc = 0, i;
- if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
- flags = 0;
- else
- flags = IRQF_SHARED;
- for (i = 0; i < bp->irq_nvecs; i++) {
- irq = &bp->irq_tbl[i];
- rc = request_irq(irq->vector, irq->handler, flags, irq->name,
- &bp->bnx2_napi[i]);
- if (rc)
- break;
- irq->requested = 1;
- }
- return rc;
- }
- static void
- __bnx2_free_irq(struct bnx2 *bp)
- {
- struct bnx2_irq *irq;
- int i;
- for (i = 0; i < bp->irq_nvecs; i++) {
- irq = &bp->irq_tbl[i];
- if (irq->requested)
- free_irq(irq->vector, &bp->bnx2_napi[i]);
- irq->requested = 0;
- }
- }
- static void
- bnx2_free_irq(struct bnx2 *bp)
- {
- __bnx2_free_irq(bp);
- if (bp->flags & BNX2_FLAG_USING_MSI)
- pci_disable_msi(bp->pdev);
- else if (bp->flags & BNX2_FLAG_USING_MSIX)
- pci_disable_msix(bp->pdev);
- bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
- }
- static void
- bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
- {
- int i, total_vecs;
- struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
- struct net_device *dev = bp->dev;
- const int len = sizeof(bp->irq_tbl[0].name);
- bnx2_setup_msix_tbl(bp);
- BNX2_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
- BNX2_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
- BNX2_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
- /* Need to flush the previous three writes to ensure MSI-X
- * is setup properly */
- BNX2_RD(bp, BNX2_PCI_MSIX_CONTROL);
- for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
- msix_ent[i].entry = i;
- msix_ent[i].vector = 0;
- }
- total_vecs = msix_vecs;
- #ifdef BCM_CNIC
- total_vecs++;
- #endif
- total_vecs = pci_enable_msix_range(bp->pdev, msix_ent,
- BNX2_MIN_MSIX_VEC, total_vecs);
- if (total_vecs < 0)
- return;
- msix_vecs = total_vecs;
- #ifdef BCM_CNIC
- msix_vecs--;
- #endif
- bp->irq_nvecs = msix_vecs;
- bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
- for (i = 0; i < total_vecs; i++) {
- bp->irq_tbl[i].vector = msix_ent[i].vector;
- snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
- bp->irq_tbl[i].handler = bnx2_msi_1shot;
- }
- }
- static int
- bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
- {
- int cpus = netif_get_num_default_rss_queues();
- int msix_vecs;
- if (!bp->num_req_rx_rings)
- msix_vecs = max(cpus + 1, bp->num_req_tx_rings);
- else if (!bp->num_req_tx_rings)
- msix_vecs = max(cpus, bp->num_req_rx_rings);
- else
- msix_vecs = max(bp->num_req_rx_rings, bp->num_req_tx_rings);
- msix_vecs = min(msix_vecs, RX_MAX_RINGS);
- bp->irq_tbl[0].handler = bnx2_interrupt;
- strcpy(bp->irq_tbl[0].name, bp->dev->name);
- bp->irq_nvecs = 1;
- bp->irq_tbl[0].vector = bp->pdev->irq;
- if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
- bnx2_enable_msix(bp, msix_vecs);
- if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
- !(bp->flags & BNX2_FLAG_USING_MSIX)) {
- if (pci_enable_msi(bp->pdev) == 0) {
- bp->flags |= BNX2_FLAG_USING_MSI;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
- bp->irq_tbl[0].handler = bnx2_msi_1shot;
- } else
- bp->irq_tbl[0].handler = bnx2_msi;
- bp->irq_tbl[0].vector = bp->pdev->irq;
- }
- }
- if (!bp->num_req_tx_rings)
- bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
- else
- bp->num_tx_rings = min(bp->irq_nvecs, bp->num_req_tx_rings);
- if (!bp->num_req_rx_rings)
- bp->num_rx_rings = bp->irq_nvecs;
- else
- bp->num_rx_rings = min(bp->irq_nvecs, bp->num_req_rx_rings);
- netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
- return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
- }
- /* Called with rtnl_lock */
- static int
- bnx2_open(struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- int rc;
- rc = bnx2_request_firmware(bp);
- if (rc < 0)
- goto out;
- netif_carrier_off(dev);
- bnx2_disable_int(bp);
- rc = bnx2_setup_int_mode(bp, disable_msi);
- if (rc)
- goto open_err;
- bnx2_init_napi(bp);
- bnx2_napi_enable(bp);
- rc = bnx2_alloc_mem(bp);
- if (rc)
- goto open_err;
- rc = bnx2_request_irq(bp);
- if (rc)
- goto open_err;
- rc = bnx2_init_nic(bp, 1);
- if (rc)
- goto open_err;
- mod_timer(&bp->timer, jiffies + bp->current_interval);
- atomic_set(&bp->intr_sem, 0);
- memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
- bnx2_enable_int(bp);
- if (bp->flags & BNX2_FLAG_USING_MSI) {
- /* Test MSI to make sure it is working
- * If MSI test fails, go back to INTx mode
- */
- if (bnx2_test_intr(bp) != 0) {
- netdev_warn(bp->dev, "No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information.\n");
- bnx2_disable_int(bp);
- bnx2_free_irq(bp);
- bnx2_setup_int_mode(bp, 1);
- rc = bnx2_init_nic(bp, 0);
- if (!rc)
- rc = bnx2_request_irq(bp);
- if (rc) {
- del_timer_sync(&bp->timer);
- goto open_err;
- }
- bnx2_enable_int(bp);
- }
- }
- if (bp->flags & BNX2_FLAG_USING_MSI)
- netdev_info(dev, "using MSI\n");
- else if (bp->flags & BNX2_FLAG_USING_MSIX)
- netdev_info(dev, "using MSIX\n");
- netif_tx_start_all_queues(dev);
- out:
- return rc;
- open_err:
- bnx2_napi_disable(bp);
- bnx2_free_skbs(bp);
- bnx2_free_irq(bp);
- bnx2_free_mem(bp);
- bnx2_del_napi(bp);
- bnx2_release_firmware(bp);
- goto out;
- }
- static void
- bnx2_reset_task(struct work_struct *work)
- {
- struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
- int rc;
- u16 pcicmd;
- rtnl_lock();
- if (!netif_running(bp->dev)) {
- rtnl_unlock();
- return;
- }
- bnx2_netif_stop(bp, true);
- pci_read_config_word(bp->pdev, PCI_COMMAND, &pcicmd);
- if (!(pcicmd & PCI_COMMAND_MEMORY)) {
- /* in case PCI block has reset */
- pci_restore_state(bp->pdev);
- pci_save_state(bp->pdev);
- }
- rc = bnx2_init_nic(bp, 1);
- if (rc) {
- netdev_err(bp->dev, "failed to reset NIC, closing\n");
- bnx2_napi_enable(bp);
- dev_close(bp->dev);
- rtnl_unlock();
- return;
- }
- atomic_set(&bp->intr_sem, 1);
- bnx2_netif_start(bp, true);
- rtnl_unlock();
- }
- #define BNX2_FTQ_ENTRY(ftq) { __stringify(ftq##FTQ_CTL), BNX2_##ftq##FTQ_CTL }
- static void
- bnx2_dump_ftq(struct bnx2 *bp)
- {
- int i;
- u32 reg, bdidx, cid, valid;
- struct net_device *dev = bp->dev;
- static const struct ftq_reg {
- char *name;
- u32 off;
- } ftq_arr[] = {
- BNX2_FTQ_ENTRY(RV2P_P),
- BNX2_FTQ_ENTRY(RV2P_T),
- BNX2_FTQ_ENTRY(RV2P_M),
- BNX2_FTQ_ENTRY(TBDR_),
- BNX2_FTQ_ENTRY(TDMA_),
- BNX2_FTQ_ENTRY(TXP_),
- BNX2_FTQ_ENTRY(TXP_),
- BNX2_FTQ_ENTRY(TPAT_),
- BNX2_FTQ_ENTRY(RXP_C),
- BNX2_FTQ_ENTRY(RXP_),
- BNX2_FTQ_ENTRY(COM_COMXQ_),
- BNX2_FTQ_ENTRY(COM_COMTQ_),
- BNX2_FTQ_ENTRY(COM_COMQ_),
- BNX2_FTQ_ENTRY(CP_CPQ_),
- };
- netdev_err(dev, "<--- start FTQ dump --->\n");
- for (i = 0; i < ARRAY_SIZE(ftq_arr); i++)
- netdev_err(dev, "%s %08x\n", ftq_arr[i].name,
- bnx2_reg_rd_ind(bp, ftq_arr[i].off));
- netdev_err(dev, "CPU states:\n");
- for (reg = BNX2_TXP_CPU_MODE; reg <= BNX2_CP_CPU_MODE; reg += 0x40000)
- netdev_err(dev, "%06x mode %x state %x evt_mask %x pc %x pc %x instr %x\n",
- reg, bnx2_reg_rd_ind(bp, reg),
- bnx2_reg_rd_ind(bp, reg + 4),
- bnx2_reg_rd_ind(bp, reg + 8),
- bnx2_reg_rd_ind(bp, reg + 0x1c),
- bnx2_reg_rd_ind(bp, reg + 0x1c),
- bnx2_reg_rd_ind(bp, reg + 0x20));
- netdev_err(dev, "<--- end FTQ dump --->\n");
- netdev_err(dev, "<--- start TBDC dump --->\n");
- netdev_err(dev, "TBDC free cnt: %ld\n",
- BNX2_RD(bp, BNX2_TBDC_STATUS) & BNX2_TBDC_STATUS_FREE_CNT);
- netdev_err(dev, "LINE CID BIDX CMD VALIDS\n");
- for (i = 0; i < 0x20; i++) {
- int j = 0;
- BNX2_WR(bp, BNX2_TBDC_BD_ADDR, i);
- BNX2_WR(bp, BNX2_TBDC_CAM_OPCODE,
- BNX2_TBDC_CAM_OPCODE_OPCODE_CAM_READ);
- BNX2_WR(bp, BNX2_TBDC_COMMAND, BNX2_TBDC_COMMAND_CMD_REG_ARB);
- while ((BNX2_RD(bp, BNX2_TBDC_COMMAND) &
- BNX2_TBDC_COMMAND_CMD_REG_ARB) && j < 100)
- j++;
- cid = BNX2_RD(bp, BNX2_TBDC_CID);
- bdidx = BNX2_RD(bp, BNX2_TBDC_BIDX);
- valid = BNX2_RD(bp, BNX2_TBDC_CAM_OPCODE);
- netdev_err(dev, "%02x %06x %04lx %02x [%x]\n",
- i, cid, bdidx & BNX2_TBDC_BDIDX_BDIDX,
- bdidx >> 24, (valid >> 8) & 0x0ff);
- }
- netdev_err(dev, "<--- end TBDC dump --->\n");
- }
- static void
- bnx2_dump_state(struct bnx2 *bp)
- {
- struct net_device *dev = bp->dev;
- u32 val1, val2;
- pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
- netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
- atomic_read(&bp->intr_sem), val1);
- pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
- pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
- netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
- netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
- BNX2_RD(bp, BNX2_EMAC_TX_STATUS),
- BNX2_RD(bp, BNX2_EMAC_RX_STATUS));
- netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
- BNX2_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
- netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
- BNX2_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
- if (bp->flags & BNX2_FLAG_USING_MSIX)
- netdev_err(dev, "DEBUG: PBA[%08x]\n",
- BNX2_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
- }
- static void
- bnx2_tx_timeout(struct net_device *dev, unsigned int txqueue)
- {
- struct bnx2 *bp = netdev_priv(dev);
- bnx2_dump_ftq(bp);
- bnx2_dump_state(bp);
- bnx2_dump_mcp_state(bp);
- /* This allows the netif to be shutdown gracefully before resetting */
- schedule_work(&bp->reset_task);
- }
- /* Called with netif_tx_lock.
- * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
- * netif_wake_queue().
- */
- static netdev_tx_t
- bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- dma_addr_t mapping;
- struct bnx2_tx_bd *txbd;
- struct bnx2_sw_tx_bd *tx_buf;
- u32 len, vlan_tag_flags, last_frag, mss;
- u16 prod, ring_prod;
- int i;
- struct bnx2_napi *bnapi;
- struct bnx2_tx_ring_info *txr;
- struct netdev_queue *txq;
- /* Determine which tx ring we will be placed on */
- i = skb_get_queue_mapping(skb);
- bnapi = &bp->bnx2_napi[i];
- txr = &bnapi->tx_ring;
- txq = netdev_get_tx_queue(dev, i);
- if (unlikely(bnx2_tx_avail(bp, txr) <
- (skb_shinfo(skb)->nr_frags + 1))) {
- netif_tx_stop_queue(txq);
- netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
- return NETDEV_TX_BUSY;
- }
- len = skb_headlen(skb);
- prod = txr->tx_prod;
- ring_prod = BNX2_TX_RING_IDX(prod);
- vlan_tag_flags = 0;
- if (skb->ip_summed == CHECKSUM_PARTIAL) {
- vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
- }
- if (skb_vlan_tag_present(skb)) {
- vlan_tag_flags |=
- (TX_BD_FLAGS_VLAN_TAG | (skb_vlan_tag_get(skb) << 16));
- }
- if ((mss = skb_shinfo(skb)->gso_size)) {
- u32 tcp_opt_len;
- struct iphdr *iph;
- vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
- tcp_opt_len = tcp_optlen(skb);
- if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
- u32 tcp_off = skb_transport_offset(skb) -
- sizeof(struct ipv6hdr) - ETH_HLEN;
- vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
- TX_BD_FLAGS_SW_FLAGS;
- if (likely(tcp_off == 0))
- vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
- else {
- tcp_off >>= 3;
- vlan_tag_flags |= ((tcp_off & 0x3) <<
- TX_BD_FLAGS_TCP6_OFF0_SHL) |
- ((tcp_off & 0x10) <<
- TX_BD_FLAGS_TCP6_OFF4_SHL);
- mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
- }
- } else {
- iph = ip_hdr(skb);
- if (tcp_opt_len || (iph->ihl > 5)) {
- vlan_tag_flags |= ((iph->ihl - 5) +
- (tcp_opt_len >> 2)) << 8;
- }
- }
- } else
- mss = 0;
- mapping = dma_map_single(&bp->pdev->dev, skb->data, len,
- DMA_TO_DEVICE);
- if (dma_mapping_error(&bp->pdev->dev, mapping)) {
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
- }
- tx_buf = &txr->tx_buf_ring[ring_prod];
- tx_buf->skb = skb;
- dma_unmap_addr_set(tx_buf, mapping, mapping);
- txbd = &txr->tx_desc_ring[ring_prod];
- txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
- txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
- txbd->tx_bd_mss_nbytes = len | (mss << 16);
- txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
- last_frag = skb_shinfo(skb)->nr_frags;
- tx_buf->nr_frags = last_frag;
- tx_buf->is_gso = skb_is_gso(skb);
- for (i = 0; i < last_frag; i++) {
- const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- prod = BNX2_NEXT_TX_BD(prod);
- ring_prod = BNX2_TX_RING_IDX(prod);
- txbd = &txr->tx_desc_ring[ring_prod];
- len = skb_frag_size(frag);
- mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, len,
- DMA_TO_DEVICE);
- if (dma_mapping_error(&bp->pdev->dev, mapping))
- goto dma_error;
- dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
- mapping);
- txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
- txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
- txbd->tx_bd_mss_nbytes = len | (mss << 16);
- txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
- }
- txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
- /* Sync BD data before updating TX mailbox */
- wmb();
- netdev_tx_sent_queue(txq, skb->len);
- prod = BNX2_NEXT_TX_BD(prod);
- txr->tx_prod_bseq += skb->len;
- BNX2_WR16(bp, txr->tx_bidx_addr, prod);
- BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
- txr->tx_prod = prod;
- if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
- netif_tx_stop_queue(txq);
- /* netif_tx_stop_queue() must be done before checking
- * tx index in bnx2_tx_avail() below, because in
- * bnx2_tx_int(), we update tx index before checking for
- * netif_tx_queue_stopped().
- */
- smp_mb();
- if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
- netif_tx_wake_queue(txq);
- }
- return NETDEV_TX_OK;
- dma_error:
- /* save value of frag that failed */
- last_frag = i;
- /* start back at beginning and unmap skb */
- prod = txr->tx_prod;
- ring_prod = BNX2_TX_RING_IDX(prod);
- tx_buf = &txr->tx_buf_ring[ring_prod];
- tx_buf->skb = NULL;
- dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
- skb_headlen(skb), DMA_TO_DEVICE);
- /* unmap remaining mapped pages */
- for (i = 0; i < last_frag; i++) {
- prod = BNX2_NEXT_TX_BD(prod);
- ring_prod = BNX2_TX_RING_IDX(prod);
- tx_buf = &txr->tx_buf_ring[ring_prod];
- dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
- skb_frag_size(&skb_shinfo(skb)->frags[i]),
- DMA_TO_DEVICE);
- }
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
- }
- /* Called with rtnl_lock */
- static int
- bnx2_close(struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- bnx2_disable_int_sync(bp);
- bnx2_napi_disable(bp);
- netif_tx_disable(dev);
- del_timer_sync(&bp->timer);
- bnx2_shutdown_chip(bp);
- bnx2_free_irq(bp);
- bnx2_free_skbs(bp);
- bnx2_free_mem(bp);
- bnx2_del_napi(bp);
- bp->link_up = 0;
- netif_carrier_off(bp->dev);
- return 0;
- }
- static void
- bnx2_save_stats(struct bnx2 *bp)
- {
- u32 *hw_stats = (u32 *) bp->stats_blk;
- u32 *temp_stats = (u32 *) bp->temp_stats_blk;
- int i;
- /* The 1st 10 counters are 64-bit counters */
- for (i = 0; i < 20; i += 2) {
- u32 hi;
- u64 lo;
- hi = temp_stats[i] + hw_stats[i];
- lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
- if (lo > 0xffffffff)
- hi++;
- temp_stats[i] = hi;
- temp_stats[i + 1] = lo & 0xffffffff;
- }
- for ( ; i < sizeof(struct statistics_block) / 4; i++)
- temp_stats[i] += hw_stats[i];
- }
- #define GET_64BIT_NET_STATS64(ctr) \
- (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
- #define GET_64BIT_NET_STATS(ctr) \
- GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
- GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
- #define GET_32BIT_NET_STATS(ctr) \
- (unsigned long) (bp->stats_blk->ctr + \
- bp->temp_stats_blk->ctr)
- static void
- bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
- {
- struct bnx2 *bp = netdev_priv(dev);
- if (!bp->stats_blk)
- return;
- net_stats->rx_packets =
- GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
- GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
- GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
- net_stats->tx_packets =
- GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
- GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
- GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
- net_stats->rx_bytes =
- GET_64BIT_NET_STATS(stat_IfHCInOctets);
- net_stats->tx_bytes =
- GET_64BIT_NET_STATS(stat_IfHCOutOctets);
- net_stats->multicast =
- GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
- net_stats->collisions =
- GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
- net_stats->rx_length_errors =
- GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
- GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
- net_stats->rx_over_errors =
- GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
- GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
- net_stats->rx_frame_errors =
- GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
- net_stats->rx_crc_errors =
- GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
- net_stats->rx_errors = net_stats->rx_length_errors +
- net_stats->rx_over_errors + net_stats->rx_frame_errors +
- net_stats->rx_crc_errors;
- net_stats->tx_aborted_errors =
- GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
- GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
- if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
- net_stats->tx_carrier_errors = 0;
- else {
- net_stats->tx_carrier_errors =
- GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
- }
- net_stats->tx_errors =
- GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
- net_stats->tx_aborted_errors +
- net_stats->tx_carrier_errors;
- net_stats->rx_missed_errors =
- GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
- GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
- GET_32BIT_NET_STATS(stat_FwRxDrop);
- }
- /* All ethtool functions called with rtnl_lock */
- static int
- bnx2_get_link_ksettings(struct net_device *dev,
- struct ethtool_link_ksettings *cmd)
- {
- struct bnx2 *bp = netdev_priv(dev);
- int support_serdes = 0, support_copper = 0;
- u32 supported, advertising;
- supported = SUPPORTED_Autoneg;
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
- support_serdes = 1;
- support_copper = 1;
- } else if (bp->phy_port == PORT_FIBRE)
- support_serdes = 1;
- else
- support_copper = 1;
- if (support_serdes) {
- supported |= SUPPORTED_1000baseT_Full |
- SUPPORTED_FIBRE;
- if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
- supported |= SUPPORTED_2500baseX_Full;
- }
- if (support_copper) {
- supported |= SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_TP;
- }
- spin_lock_bh(&bp->phy_lock);
- cmd->base.port = bp->phy_port;
- advertising = bp->advertising;
- if (bp->autoneg & AUTONEG_SPEED) {
- cmd->base.autoneg = AUTONEG_ENABLE;
- } else {
- cmd->base.autoneg = AUTONEG_DISABLE;
- }
- if (netif_carrier_ok(dev)) {
- cmd->base.speed = bp->line_speed;
- cmd->base.duplex = bp->duplex;
- if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES)) {
- if (bp->phy_flags & BNX2_PHY_FLAG_MDIX)
- cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
- else
- cmd->base.eth_tp_mdix = ETH_TP_MDI;
- }
- }
- else {
- cmd->base.speed = SPEED_UNKNOWN;
- cmd->base.duplex = DUPLEX_UNKNOWN;
- }
- spin_unlock_bh(&bp->phy_lock);
- cmd->base.phy_address = bp->phy_addr;
- ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
- supported);
- ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
- advertising);
- return 0;
- }
- static int
- bnx2_set_link_ksettings(struct net_device *dev,
- const struct ethtool_link_ksettings *cmd)
- {
- struct bnx2 *bp = netdev_priv(dev);
- u8 autoneg = bp->autoneg;
- u8 req_duplex = bp->req_duplex;
- u16 req_line_speed = bp->req_line_speed;
- u32 advertising = bp->advertising;
- int err = -EINVAL;
- spin_lock_bh(&bp->phy_lock);
- if (cmd->base.port != PORT_TP && cmd->base.port != PORT_FIBRE)
- goto err_out_unlock;
- if (cmd->base.port != bp->phy_port &&
- !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
- goto err_out_unlock;
- /* If device is down, we can store the settings only if the user
- * is setting the currently active port.
- */
- if (!netif_running(dev) && cmd->base.port != bp->phy_port)
- goto err_out_unlock;
- if (cmd->base.autoneg == AUTONEG_ENABLE) {
- autoneg |= AUTONEG_SPEED;
- ethtool_convert_link_mode_to_legacy_u32(
- &advertising, cmd->link_modes.advertising);
- if (cmd->base.port == PORT_TP) {
- advertising &= ETHTOOL_ALL_COPPER_SPEED;
- if (!advertising)
- advertising = ETHTOOL_ALL_COPPER_SPEED;
- } else {
- advertising &= ETHTOOL_ALL_FIBRE_SPEED;
- if (!advertising)
- advertising = ETHTOOL_ALL_FIBRE_SPEED;
- }
- advertising |= ADVERTISED_Autoneg;
- }
- else {
- u32 speed = cmd->base.speed;
- if (cmd->base.port == PORT_FIBRE) {
- if ((speed != SPEED_1000 &&
- speed != SPEED_2500) ||
- (cmd->base.duplex != DUPLEX_FULL))
- goto err_out_unlock;
- if (speed == SPEED_2500 &&
- !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
- goto err_out_unlock;
- } else if (speed == SPEED_1000 || speed == SPEED_2500)
- goto err_out_unlock;
- autoneg &= ~AUTONEG_SPEED;
- req_line_speed = speed;
- req_duplex = cmd->base.duplex;
- advertising = 0;
- }
- bp->autoneg = autoneg;
- bp->advertising = advertising;
- bp->req_line_speed = req_line_speed;
- bp->req_duplex = req_duplex;
- err = 0;
- /* If device is down, the new settings will be picked up when it is
- * brought up.
- */
- if (netif_running(dev))
- err = bnx2_setup_phy(bp, cmd->base.port);
- err_out_unlock:
- spin_unlock_bh(&bp->phy_lock);
- return err;
- }
- static void
- bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
- {
- struct bnx2 *bp = netdev_priv(dev);
- strscpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
- strscpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
- strscpy(info->fw_version, bp->fw_version, sizeof(info->fw_version));
- }
- #define BNX2_REGDUMP_LEN (32 * 1024)
- static int
- bnx2_get_regs_len(struct net_device *dev)
- {
- return BNX2_REGDUMP_LEN;
- }
- static void
- bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
- {
- u32 *p = _p, i, offset;
- u8 *orig_p = _p;
- struct bnx2 *bp = netdev_priv(dev);
- static const u32 reg_boundaries[] = {
- 0x0000, 0x0098, 0x0400, 0x045c,
- 0x0800, 0x0880, 0x0c00, 0x0c10,
- 0x0c30, 0x0d08, 0x1000, 0x101c,
- 0x1040, 0x1048, 0x1080, 0x10a4,
- 0x1400, 0x1490, 0x1498, 0x14f0,
- 0x1500, 0x155c, 0x1580, 0x15dc,
- 0x1600, 0x1658, 0x1680, 0x16d8,
- 0x1800, 0x1820, 0x1840, 0x1854,
- 0x1880, 0x1894, 0x1900, 0x1984,
- 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
- 0x1c80, 0x1c94, 0x1d00, 0x1d84,
- 0x2000, 0x2030, 0x23c0, 0x2400,
- 0x2800, 0x2820, 0x2830, 0x2850,
- 0x2b40, 0x2c10, 0x2fc0, 0x3058,
- 0x3c00, 0x3c94, 0x4000, 0x4010,
- 0x4080, 0x4090, 0x43c0, 0x4458,
- 0x4c00, 0x4c18, 0x4c40, 0x4c54,
- 0x4fc0, 0x5010, 0x53c0, 0x5444,
- 0x5c00, 0x5c18, 0x5c80, 0x5c90,
- 0x5fc0, 0x6000, 0x6400, 0x6428,
- 0x6800, 0x6848, 0x684c, 0x6860,
- 0x6888, 0x6910, 0x8000
- };
- regs->version = 0;
- memset(p, 0, BNX2_REGDUMP_LEN);
- if (!netif_running(bp->dev))
- return;
- i = 0;
- offset = reg_boundaries[0];
- p += offset;
- while (offset < BNX2_REGDUMP_LEN) {
- *p++ = BNX2_RD(bp, offset);
- offset += 4;
- if (offset == reg_boundaries[i + 1]) {
- offset = reg_boundaries[i + 2];
- p = (u32 *) (orig_p + offset);
- i += 2;
- }
- }
- }
- static void
- bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
- {
- struct bnx2 *bp = netdev_priv(dev);
- if (bp->flags & BNX2_FLAG_NO_WOL) {
- wol->supported = 0;
- wol->wolopts = 0;
- }
- else {
- wol->supported = WAKE_MAGIC;
- if (bp->wol)
- wol->wolopts = WAKE_MAGIC;
- else
- wol->wolopts = 0;
- }
- memset(&wol->sopass, 0, sizeof(wol->sopass));
- }
- static int
- bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
- {
- struct bnx2 *bp = netdev_priv(dev);
- if (wol->wolopts & ~WAKE_MAGIC)
- return -EINVAL;
- if (wol->wolopts & WAKE_MAGIC) {
- if (bp->flags & BNX2_FLAG_NO_WOL)
- return -EINVAL;
- bp->wol = 1;
- }
- else {
- bp->wol = 0;
- }
- device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
- return 0;
- }
- static int
- bnx2_nway_reset(struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- u32 bmcr;
- if (!netif_running(dev))
- return -EAGAIN;
- if (!(bp->autoneg & AUTONEG_SPEED)) {
- return -EINVAL;
- }
- spin_lock_bh(&bp->phy_lock);
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
- int rc;
- rc = bnx2_setup_remote_phy(bp, bp->phy_port);
- spin_unlock_bh(&bp->phy_lock);
- return rc;
- }
- /* Force a link down visible on the other side */
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
- spin_unlock_bh(&bp->phy_lock);
- msleep(20);
- spin_lock_bh(&bp->phy_lock);
- bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
- bp->serdes_an_pending = 1;
- mod_timer(&bp->timer, jiffies + bp->current_interval);
- }
- bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
- bmcr &= ~BMCR_LOOPBACK;
- bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
- spin_unlock_bh(&bp->phy_lock);
- return 0;
- }
- static u32
- bnx2_get_link(struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- return bp->link_up;
- }
- static int
- bnx2_get_eeprom_len(struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- if (!bp->flash_info)
- return 0;
- return (int) bp->flash_size;
- }
- static int
- bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
- u8 *eebuf)
- {
- struct bnx2 *bp = netdev_priv(dev);
- int rc;
- /* parameters already validated in ethtool_get_eeprom */
- rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
- return rc;
- }
- static int
- bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
- u8 *eebuf)
- {
- struct bnx2 *bp = netdev_priv(dev);
- int rc;
- /* parameters already validated in ethtool_set_eeprom */
- rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
- return rc;
- }
- static int bnx2_get_coalesce(struct net_device *dev,
- struct ethtool_coalesce *coal,
- struct kernel_ethtool_coalesce *kernel_coal,
- struct netlink_ext_ack *extack)
- {
- struct bnx2 *bp = netdev_priv(dev);
- memset(coal, 0, sizeof(struct ethtool_coalesce));
- coal->rx_coalesce_usecs = bp->rx_ticks;
- coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
- coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
- coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
- coal->tx_coalesce_usecs = bp->tx_ticks;
- coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
- coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
- coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
- coal->stats_block_coalesce_usecs = bp->stats_ticks;
- return 0;
- }
- static int bnx2_set_coalesce(struct net_device *dev,
- struct ethtool_coalesce *coal,
- struct kernel_ethtool_coalesce *kernel_coal,
- struct netlink_ext_ack *extack)
- {
- struct bnx2 *bp = netdev_priv(dev);
- bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
- if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
- bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
- if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
- bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
- if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
- bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
- if (bp->rx_quick_cons_trip_int > 0xff)
- bp->rx_quick_cons_trip_int = 0xff;
- bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
- if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
- bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
- if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
- bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
- if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
- bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
- if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
- 0xff;
- bp->stats_ticks = coal->stats_block_coalesce_usecs;
- if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
- if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
- bp->stats_ticks = USEC_PER_SEC;
- }
- if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
- bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
- bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
- if (netif_running(bp->dev)) {
- bnx2_netif_stop(bp, true);
- bnx2_init_nic(bp, 0);
- bnx2_netif_start(bp, true);
- }
- return 0;
- }
- static void
- bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering,
- struct kernel_ethtool_ringparam *kernel_ering,
- struct netlink_ext_ack *extack)
- {
- struct bnx2 *bp = netdev_priv(dev);
- ering->rx_max_pending = BNX2_MAX_TOTAL_RX_DESC_CNT;
- ering->rx_jumbo_max_pending = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
- ering->rx_pending = bp->rx_ring_size;
- ering->rx_jumbo_pending = bp->rx_pg_ring_size;
- ering->tx_max_pending = BNX2_MAX_TX_DESC_CNT;
- ering->tx_pending = bp->tx_ring_size;
- }
- static int
- bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx, bool reset_irq)
- {
- if (netif_running(bp->dev)) {
- /* Reset will erase chipset stats; save them */
- bnx2_save_stats(bp);
- bnx2_netif_stop(bp, true);
- bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
- if (reset_irq) {
- bnx2_free_irq(bp);
- bnx2_del_napi(bp);
- } else {
- __bnx2_free_irq(bp);
- }
- bnx2_free_skbs(bp);
- bnx2_free_mem(bp);
- }
- bnx2_set_rx_ring_size(bp, rx);
- bp->tx_ring_size = tx;
- if (netif_running(bp->dev)) {
- int rc = 0;
- if (reset_irq) {
- rc = bnx2_setup_int_mode(bp, disable_msi);
- bnx2_init_napi(bp);
- }
- if (!rc)
- rc = bnx2_alloc_mem(bp);
- if (!rc)
- rc = bnx2_request_irq(bp);
- if (!rc)
- rc = bnx2_init_nic(bp, 0);
- if (rc) {
- bnx2_napi_enable(bp);
- dev_close(bp->dev);
- return rc;
- }
- #ifdef BCM_CNIC
- mutex_lock(&bp->cnic_lock);
- /* Let cnic know about the new status block. */
- if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
- bnx2_setup_cnic_irq_info(bp);
- mutex_unlock(&bp->cnic_lock);
- #endif
- bnx2_netif_start(bp, true);
- }
- return 0;
- }
- static int
- bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering,
- struct kernel_ethtool_ringparam *kernel_ering,
- struct netlink_ext_ack *extack)
- {
- struct bnx2 *bp = netdev_priv(dev);
- int rc;
- if ((ering->rx_pending > BNX2_MAX_TOTAL_RX_DESC_CNT) ||
- (ering->tx_pending > BNX2_MAX_TX_DESC_CNT) ||
- (ering->tx_pending <= MAX_SKB_FRAGS)) {
- return -EINVAL;
- }
- rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending,
- false);
- return rc;
- }
- static void
- bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
- {
- struct bnx2 *bp = netdev_priv(dev);
- epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
- epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
- epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
- }
- static int
- bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
- {
- struct bnx2 *bp = netdev_priv(dev);
- bp->req_flow_ctrl = 0;
- if (epause->rx_pause)
- bp->req_flow_ctrl |= FLOW_CTRL_RX;
- if (epause->tx_pause)
- bp->req_flow_ctrl |= FLOW_CTRL_TX;
- if (epause->autoneg) {
- bp->autoneg |= AUTONEG_FLOW_CTRL;
- }
- else {
- bp->autoneg &= ~AUTONEG_FLOW_CTRL;
- }
- if (netif_running(dev)) {
- spin_lock_bh(&bp->phy_lock);
- bnx2_setup_phy(bp, bp->phy_port);
- spin_unlock_bh(&bp->phy_lock);
- }
- return 0;
- }
- static struct {
- char string[ETH_GSTRING_LEN];
- } bnx2_stats_str_arr[] = {
- { "rx_bytes" },
- { "rx_error_bytes" },
- { "tx_bytes" },
- { "tx_error_bytes" },
- { "rx_ucast_packets" },
- { "rx_mcast_packets" },
- { "rx_bcast_packets" },
- { "tx_ucast_packets" },
- { "tx_mcast_packets" },
- { "tx_bcast_packets" },
- { "tx_mac_errors" },
- { "tx_carrier_errors" },
- { "rx_crc_errors" },
- { "rx_align_errors" },
- { "tx_single_collisions" },
- { "tx_multi_collisions" },
- { "tx_deferred" },
- { "tx_excess_collisions" },
- { "tx_late_collisions" },
- { "tx_total_collisions" },
- { "rx_fragments" },
- { "rx_jabbers" },
- { "rx_undersize_packets" },
- { "rx_oversize_packets" },
- { "rx_64_byte_packets" },
- { "rx_65_to_127_byte_packets" },
- { "rx_128_to_255_byte_packets" },
- { "rx_256_to_511_byte_packets" },
- { "rx_512_to_1023_byte_packets" },
- { "rx_1024_to_1522_byte_packets" },
- { "rx_1523_to_9022_byte_packets" },
- { "tx_64_byte_packets" },
- { "tx_65_to_127_byte_packets" },
- { "tx_128_to_255_byte_packets" },
- { "tx_256_to_511_byte_packets" },
- { "tx_512_to_1023_byte_packets" },
- { "tx_1024_to_1522_byte_packets" },
- { "tx_1523_to_9022_byte_packets" },
- { "rx_xon_frames" },
- { "rx_xoff_frames" },
- { "tx_xon_frames" },
- { "tx_xoff_frames" },
- { "rx_mac_ctrl_frames" },
- { "rx_filtered_packets" },
- { "rx_ftq_discards" },
- { "rx_discards" },
- { "rx_fw_discards" },
- };
- #define BNX2_NUM_STATS ARRAY_SIZE(bnx2_stats_str_arr)
- #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
- static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
- STATS_OFFSET32(stat_IfHCInOctets_hi),
- STATS_OFFSET32(stat_IfHCInBadOctets_hi),
- STATS_OFFSET32(stat_IfHCOutOctets_hi),
- STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
- STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
- STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
- STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
- STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
- STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
- STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
- STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
- STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
- STATS_OFFSET32(stat_Dot3StatsFCSErrors),
- STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
- STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
- STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
- STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
- STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
- STATS_OFFSET32(stat_Dot3StatsLateCollisions),
- STATS_OFFSET32(stat_EtherStatsCollisions),
- STATS_OFFSET32(stat_EtherStatsFragments),
- STATS_OFFSET32(stat_EtherStatsJabbers),
- STATS_OFFSET32(stat_EtherStatsUndersizePkts),
- STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
- STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
- STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
- STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
- STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
- STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
- STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
- STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
- STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
- STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
- STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
- STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
- STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
- STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
- STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
- STATS_OFFSET32(stat_XonPauseFramesReceived),
- STATS_OFFSET32(stat_XoffPauseFramesReceived),
- STATS_OFFSET32(stat_OutXonSent),
- STATS_OFFSET32(stat_OutXoffSent),
- STATS_OFFSET32(stat_MacControlFramesReceived),
- STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
- STATS_OFFSET32(stat_IfInFTQDiscards),
- STATS_OFFSET32(stat_IfInMBUFDiscards),
- STATS_OFFSET32(stat_FwRxDrop),
- };
- /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
- * skipped because of errata.
- */
- static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
- 8,0,8,8,8,8,8,8,8,8,
- 4,0,4,4,4,4,4,4,4,4,
- 4,4,4,4,4,4,4,4,4,4,
- 4,4,4,4,4,4,4,4,4,4,
- 4,4,4,4,4,4,4,
- };
- static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
- 8,0,8,8,8,8,8,8,8,8,
- 4,4,4,4,4,4,4,4,4,4,
- 4,4,4,4,4,4,4,4,4,4,
- 4,4,4,4,4,4,4,4,4,4,
- 4,4,4,4,4,4,4,
- };
- #define BNX2_NUM_TESTS 6
- static struct {
- char string[ETH_GSTRING_LEN];
- } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
- { "register_test (offline)" },
- { "memory_test (offline)" },
- { "loopback_test (offline)" },
- { "nvram_test (online)" },
- { "interrupt_test (online)" },
- { "link_test (online)" },
- };
- static int
- bnx2_get_sset_count(struct net_device *dev, int sset)
- {
- switch (sset) {
- case ETH_SS_TEST:
- return BNX2_NUM_TESTS;
- case ETH_SS_STATS:
- return BNX2_NUM_STATS;
- default:
- return -EOPNOTSUPP;
- }
- }
- static void
- bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
- {
- struct bnx2 *bp = netdev_priv(dev);
- memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
- if (etest->flags & ETH_TEST_FL_OFFLINE) {
- int i;
- bnx2_netif_stop(bp, true);
- bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
- bnx2_free_skbs(bp);
- if (bnx2_test_registers(bp) != 0) {
- buf[0] = 1;
- etest->flags |= ETH_TEST_FL_FAILED;
- }
- if (bnx2_test_memory(bp) != 0) {
- buf[1] = 1;
- etest->flags |= ETH_TEST_FL_FAILED;
- }
- if ((buf[2] = bnx2_test_loopback(bp)) != 0)
- etest->flags |= ETH_TEST_FL_FAILED;
- if (!netif_running(bp->dev))
- bnx2_shutdown_chip(bp);
- else {
- bnx2_init_nic(bp, 1);
- bnx2_netif_start(bp, true);
- }
- /* wait for link up */
- for (i = 0; i < 7; i++) {
- if (bp->link_up)
- break;
- msleep_interruptible(1000);
- }
- }
- if (bnx2_test_nvram(bp) != 0) {
- buf[3] = 1;
- etest->flags |= ETH_TEST_FL_FAILED;
- }
- if (bnx2_test_intr(bp) != 0) {
- buf[4] = 1;
- etest->flags |= ETH_TEST_FL_FAILED;
- }
- if (bnx2_test_link(bp) != 0) {
- buf[5] = 1;
- etest->flags |= ETH_TEST_FL_FAILED;
- }
- }
- static void
- bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
- {
- switch (stringset) {
- case ETH_SS_STATS:
- memcpy(buf, bnx2_stats_str_arr,
- sizeof(bnx2_stats_str_arr));
- break;
- case ETH_SS_TEST:
- memcpy(buf, bnx2_tests_str_arr,
- sizeof(bnx2_tests_str_arr));
- break;
- }
- }
- static void
- bnx2_get_ethtool_stats(struct net_device *dev,
- struct ethtool_stats *stats, u64 *buf)
- {
- struct bnx2 *bp = netdev_priv(dev);
- int i;
- u32 *hw_stats = (u32 *) bp->stats_blk;
- u32 *temp_stats = (u32 *) bp->temp_stats_blk;
- u8 *stats_len_arr = NULL;
- if (!hw_stats) {
- memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
- return;
- }
- if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A2) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
- stats_len_arr = bnx2_5706_stats_len_arr;
- else
- stats_len_arr = bnx2_5708_stats_len_arr;
- for (i = 0; i < BNX2_NUM_STATS; i++) {
- unsigned long offset;
- if (stats_len_arr[i] == 0) {
- /* skip this counter */
- buf[i] = 0;
- continue;
- }
- offset = bnx2_stats_offset_arr[i];
- if (stats_len_arr[i] == 4) {
- /* 4-byte counter */
- buf[i] = (u64) *(hw_stats + offset) +
- *(temp_stats + offset);
- continue;
- }
- /* 8-byte counter */
- buf[i] = (((u64) *(hw_stats + offset)) << 32) +
- *(hw_stats + offset + 1) +
- (((u64) *(temp_stats + offset)) << 32) +
- *(temp_stats + offset + 1);
- }
- }
- static int
- bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
- {
- struct bnx2 *bp = netdev_priv(dev);
- switch (state) {
- case ETHTOOL_ID_ACTIVE:
- bp->leds_save = BNX2_RD(bp, BNX2_MISC_CFG);
- BNX2_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
- return 1; /* cycle on/off once per second */
- case ETHTOOL_ID_ON:
- BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
- BNX2_EMAC_LED_1000MB_OVERRIDE |
- BNX2_EMAC_LED_100MB_OVERRIDE |
- BNX2_EMAC_LED_10MB_OVERRIDE |
- BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
- BNX2_EMAC_LED_TRAFFIC);
- break;
- case ETHTOOL_ID_OFF:
- BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
- break;
- case ETHTOOL_ID_INACTIVE:
- BNX2_WR(bp, BNX2_EMAC_LED, 0);
- BNX2_WR(bp, BNX2_MISC_CFG, bp->leds_save);
- break;
- }
- return 0;
- }
- static int
- bnx2_set_features(struct net_device *dev, netdev_features_t features)
- {
- struct bnx2 *bp = netdev_priv(dev);
- /* TSO with VLAN tag won't work with current firmware */
- if (features & NETIF_F_HW_VLAN_CTAG_TX)
- dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO);
- else
- dev->vlan_features &= ~NETIF_F_ALL_TSO;
- if ((!!(features & NETIF_F_HW_VLAN_CTAG_RX) !=
- !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
- netif_running(dev)) {
- bnx2_netif_stop(bp, false);
- dev->features = features;
- bnx2_set_rx_mode(dev);
- bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
- bnx2_netif_start(bp, false);
- return 1;
- }
- return 0;
- }
- static void bnx2_get_channels(struct net_device *dev,
- struct ethtool_channels *channels)
- {
- struct bnx2 *bp = netdev_priv(dev);
- u32 max_rx_rings = 1;
- u32 max_tx_rings = 1;
- if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
- max_rx_rings = RX_MAX_RINGS;
- max_tx_rings = TX_MAX_RINGS;
- }
- channels->max_rx = max_rx_rings;
- channels->max_tx = max_tx_rings;
- channels->max_other = 0;
- channels->max_combined = 0;
- channels->rx_count = bp->num_rx_rings;
- channels->tx_count = bp->num_tx_rings;
- channels->other_count = 0;
- channels->combined_count = 0;
- }
- static int bnx2_set_channels(struct net_device *dev,
- struct ethtool_channels *channels)
- {
- struct bnx2 *bp = netdev_priv(dev);
- u32 max_rx_rings = 1;
- u32 max_tx_rings = 1;
- int rc = 0;
- if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
- max_rx_rings = RX_MAX_RINGS;
- max_tx_rings = TX_MAX_RINGS;
- }
- if (channels->rx_count > max_rx_rings ||
- channels->tx_count > max_tx_rings)
- return -EINVAL;
- bp->num_req_rx_rings = channels->rx_count;
- bp->num_req_tx_rings = channels->tx_count;
- if (netif_running(dev))
- rc = bnx2_change_ring_size(bp, bp->rx_ring_size,
- bp->tx_ring_size, true);
- return rc;
- }
- static const struct ethtool_ops bnx2_ethtool_ops = {
- .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
- ETHTOOL_COALESCE_MAX_FRAMES |
- ETHTOOL_COALESCE_USECS_IRQ |
- ETHTOOL_COALESCE_MAX_FRAMES_IRQ |
- ETHTOOL_COALESCE_STATS_BLOCK_USECS,
- .get_drvinfo = bnx2_get_drvinfo,
- .get_regs_len = bnx2_get_regs_len,
- .get_regs = bnx2_get_regs,
- .get_wol = bnx2_get_wol,
- .set_wol = bnx2_set_wol,
- .nway_reset = bnx2_nway_reset,
- .get_link = bnx2_get_link,
- .get_eeprom_len = bnx2_get_eeprom_len,
- .get_eeprom = bnx2_get_eeprom,
- .set_eeprom = bnx2_set_eeprom,
- .get_coalesce = bnx2_get_coalesce,
- .set_coalesce = bnx2_set_coalesce,
- .get_ringparam = bnx2_get_ringparam,
- .set_ringparam = bnx2_set_ringparam,
- .get_pauseparam = bnx2_get_pauseparam,
- .set_pauseparam = bnx2_set_pauseparam,
- .self_test = bnx2_self_test,
- .get_strings = bnx2_get_strings,
- .set_phys_id = bnx2_set_phys_id,
- .get_ethtool_stats = bnx2_get_ethtool_stats,
- .get_sset_count = bnx2_get_sset_count,
- .get_channels = bnx2_get_channels,
- .set_channels = bnx2_set_channels,
- .get_link_ksettings = bnx2_get_link_ksettings,
- .set_link_ksettings = bnx2_set_link_ksettings,
- };
- /* Called with rtnl_lock */
- static int
- bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
- {
- struct mii_ioctl_data *data = if_mii(ifr);
- struct bnx2 *bp = netdev_priv(dev);
- int err;
- switch(cmd) {
- case SIOCGMIIPHY:
- data->phy_id = bp->phy_addr;
- fallthrough;
- case SIOCGMIIREG: {
- u32 mii_regval;
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
- return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -EAGAIN;
- spin_lock_bh(&bp->phy_lock);
- err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
- spin_unlock_bh(&bp->phy_lock);
- data->val_out = mii_regval;
- return err;
- }
- case SIOCSMIIREG:
- if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
- return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -EAGAIN;
- spin_lock_bh(&bp->phy_lock);
- err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
- spin_unlock_bh(&bp->phy_lock);
- return err;
- default:
- /* do nothing */
- break;
- }
- return -EOPNOTSUPP;
- }
- /* Called with rtnl_lock */
- static int
- bnx2_change_mac_addr(struct net_device *dev, void *p)
- {
- struct sockaddr *addr = p;
- struct bnx2 *bp = netdev_priv(dev);
- if (!is_valid_ether_addr(addr->sa_data))
- return -EADDRNOTAVAIL;
- eth_hw_addr_set(dev, addr->sa_data);
- if (netif_running(dev))
- bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
- return 0;
- }
- /* Called with rtnl_lock */
- static int
- bnx2_change_mtu(struct net_device *dev, int new_mtu)
- {
- struct bnx2 *bp = netdev_priv(dev);
- dev->mtu = new_mtu;
- return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size,
- false);
- }
- #ifdef CONFIG_NET_POLL_CONTROLLER
- static void
- poll_bnx2(struct net_device *dev)
- {
- struct bnx2 *bp = netdev_priv(dev);
- int i;
- for (i = 0; i < bp->irq_nvecs; i++) {
- struct bnx2_irq *irq = &bp->irq_tbl[i];
- disable_irq(irq->vector);
- irq->handler(irq->vector, &bp->bnx2_napi[i]);
- enable_irq(irq->vector);
- }
- }
- #endif
- static void
- bnx2_get_5709_media(struct bnx2 *bp)
- {
- u32 val = BNX2_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
- u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
- u32 strap;
- if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
- return;
- else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
- bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
- return;
- }
- if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
- strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
- else
- strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
- if (bp->func == 0) {
- switch (strap) {
- case 0x4:
- case 0x5:
- case 0x6:
- bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
- return;
- }
- } else {
- switch (strap) {
- case 0x1:
- case 0x2:
- case 0x4:
- bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
- return;
- }
- }
- }
- static void
- bnx2_get_pci_speed(struct bnx2 *bp)
- {
- u32 reg;
- reg = BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS);
- if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
- u32 clkreg;
- bp->flags |= BNX2_FLAG_PCIX;
- clkreg = BNX2_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
- clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
- switch (clkreg) {
- case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
- bp->bus_speed_mhz = 133;
- break;
- case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
- bp->bus_speed_mhz = 100;
- break;
- case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
- case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
- bp->bus_speed_mhz = 66;
- break;
- case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
- case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
- bp->bus_speed_mhz = 50;
- break;
- case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
- case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
- case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
- bp->bus_speed_mhz = 33;
- break;
- }
- }
- else {
- if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
- bp->bus_speed_mhz = 66;
- else
- bp->bus_speed_mhz = 33;
- }
- if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
- bp->flags |= BNX2_FLAG_PCI_32BIT;
- }
- static void
- bnx2_read_vpd_fw_ver(struct bnx2 *bp)
- {
- unsigned int len;
- int rc, i, j;
- u8 *data;
- #define BNX2_VPD_NVRAM_OFFSET 0x300
- #define BNX2_VPD_LEN 128
- #define BNX2_MAX_VER_SLEN 30
- data = kmalloc(BNX2_VPD_LEN, GFP_KERNEL);
- if (!data)
- return;
- rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data, BNX2_VPD_LEN);
- if (rc)
- goto vpd_done;
- for (i = 0; i < BNX2_VPD_LEN; i += 4)
- swab32s((u32 *)&data[i]);
- j = pci_vpd_find_ro_info_keyword(data, BNX2_VPD_LEN,
- PCI_VPD_RO_KEYWORD_MFR_ID, &len);
- if (j < 0)
- goto vpd_done;
- if (len != 4 || memcmp(&data[j], "1028", 4))
- goto vpd_done;
- j = pci_vpd_find_ro_info_keyword(data, BNX2_VPD_LEN,
- PCI_VPD_RO_KEYWORD_VENDOR0,
- &len);
- if (j < 0)
- goto vpd_done;
- if (len > BNX2_MAX_VER_SLEN)
- goto vpd_done;
- memcpy(bp->fw_version, &data[j], len);
- bp->fw_version[len] = ' ';
- vpd_done:
- kfree(data);
- }
- static int
- bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
- {
- struct bnx2 *bp;
- int rc, i, j;
- u32 reg;
- u64 dma_mask, persist_dma_mask;
- int err;
- SET_NETDEV_DEV(dev, &pdev->dev);
- bp = netdev_priv(dev);
- bp->flags = 0;
- bp->phy_flags = 0;
- bp->temp_stats_blk =
- kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
- if (!bp->temp_stats_blk) {
- rc = -ENOMEM;
- goto err_out;
- }
- /* enable device (incl. PCI PM wakeup), and bus-mastering */
- rc = pci_enable_device(pdev);
- if (rc) {
- dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
- goto err_out;
- }
- if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
- dev_err(&pdev->dev,
- "Cannot find PCI device base address, aborting\n");
- rc = -ENODEV;
- goto err_out_disable;
- }
- rc = pci_request_regions(pdev, DRV_MODULE_NAME);
- if (rc) {
- dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
- goto err_out_disable;
- }
- pci_set_master(pdev);
- bp->pm_cap = pdev->pm_cap;
- if (bp->pm_cap == 0) {
- dev_err(&pdev->dev,
- "Cannot find power management capability, aborting\n");
- rc = -EIO;
- goto err_out_release;
- }
- bp->dev = dev;
- bp->pdev = pdev;
- spin_lock_init(&bp->phy_lock);
- spin_lock_init(&bp->indirect_lock);
- #ifdef BCM_CNIC
- mutex_init(&bp->cnic_lock);
- #endif
- INIT_WORK(&bp->reset_task, bnx2_reset_task);
- bp->regview = pci_iomap(pdev, 0, MB_GET_CID_ADDR(TX_TSS_CID +
- TX_MAX_TSS_RINGS + 1));
- if (!bp->regview) {
- dev_err(&pdev->dev, "Cannot map register space, aborting\n");
- rc = -ENOMEM;
- goto err_out_release;
- }
- /* Configure byte swap and enable write to the reg_window registers.
- * Rely on CPU to do target byte swapping on big endian systems
- * The chip's target access swapping will not swap all accesses
- */
- BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG,
- BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
- BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
- bp->chip_id = BNX2_RD(bp, BNX2_MISC_ID);
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
- if (!pci_is_pcie(pdev)) {
- dev_err(&pdev->dev, "Not PCIE, aborting\n");
- rc = -EIO;
- goto err_out_unmap;
- }
- bp->flags |= BNX2_FLAG_PCIE;
- if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
- bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
- /* AER (Advanced Error Reporting) hooks */
- err = pci_enable_pcie_error_reporting(pdev);
- if (!err)
- bp->flags |= BNX2_FLAG_AER_ENABLED;
- } else {
- bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
- if (bp->pcix_cap == 0) {
- dev_err(&pdev->dev,
- "Cannot find PCIX capability, aborting\n");
- rc = -EIO;
- goto err_out_unmap;
- }
- bp->flags |= BNX2_FLAG_BROKEN_STATS;
- }
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
- BNX2_CHIP_REV(bp) != BNX2_CHIP_REV_Ax) {
- if (pdev->msix_cap)
- bp->flags |= BNX2_FLAG_MSIX_CAP;
- }
- if (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0 &&
- BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A1) {
- if (pdev->msi_cap)
- bp->flags |= BNX2_FLAG_MSI_CAP;
- }
- /* 5708 cannot support DMA addresses > 40-bit. */
- if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
- persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
- else
- persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
- /* Configure DMA attributes. */
- if (dma_set_mask(&pdev->dev, dma_mask) == 0) {
- dev->features |= NETIF_F_HIGHDMA;
- rc = dma_set_coherent_mask(&pdev->dev, persist_dma_mask);
- if (rc) {
- dev_err(&pdev->dev,
- "dma_set_coherent_mask failed, aborting\n");
- goto err_out_unmap;
- }
- } else if ((rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) != 0) {
- dev_err(&pdev->dev, "System does not support DMA, aborting\n");
- goto err_out_unmap;
- }
- if (!(bp->flags & BNX2_FLAG_PCIE))
- bnx2_get_pci_speed(bp);
- /* 5706A0 may falsely detect SERR and PERR. */
- if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
- reg = BNX2_RD(bp, PCI_COMMAND);
- reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
- BNX2_WR(bp, PCI_COMMAND, reg);
- } else if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) &&
- !(bp->flags & BNX2_FLAG_PCIX)) {
- dev_err(&pdev->dev,
- "5706 A1 can only be used in a PCIX bus, aborting\n");
- rc = -EPERM;
- goto err_out_unmap;
- }
- bnx2_init_nvram(bp);
- reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
- if (bnx2_reg_rd_ind(bp, BNX2_MCP_TOE_ID) & BNX2_MCP_TOE_ID_FUNCTION_ID)
- bp->func = 1;
- if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
- BNX2_SHM_HDR_SIGNATURE_SIG) {
- u32 off = bp->func << 2;
- bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
- } else
- bp->shmem_base = HOST_VIEW_SHMEM_BASE;
- /* Get the permanent MAC address. First we need to make sure the
- * firmware is actually running.
- */
- reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
- if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
- BNX2_DEV_INFO_SIGNATURE_MAGIC) {
- dev_err(&pdev->dev, "Firmware not running, aborting\n");
- rc = -ENODEV;
- goto err_out_unmap;
- }
- bnx2_read_vpd_fw_ver(bp);
- j = strlen(bp->fw_version);
- reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
- for (i = 0; i < 3 && j < 24; i++) {
- u8 num, k, skip0;
- if (i == 0) {
- bp->fw_version[j++] = 'b';
- bp->fw_version[j++] = 'c';
- bp->fw_version[j++] = ' ';
- }
- num = (u8) (reg >> (24 - (i * 8)));
- for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
- if (num >= k || !skip0 || k == 1) {
- bp->fw_version[j++] = (num / k) + '0';
- skip0 = 0;
- }
- }
- if (i != 2)
- bp->fw_version[j++] = '.';
- }
- reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
- if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
- bp->wol = 1;
- if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
- bp->flags |= BNX2_FLAG_ASF_ENABLE;
- for (i = 0; i < 30; i++) {
- reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
- if (reg & BNX2_CONDITION_MFW_RUN_MASK)
- break;
- msleep(10);
- }
- }
- reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
- reg &= BNX2_CONDITION_MFW_RUN_MASK;
- if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
- reg != BNX2_CONDITION_MFW_RUN_NONE) {
- u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
- if (j < 32)
- bp->fw_version[j++] = ' ';
- for (i = 0; i < 3 && j < 28; i++) {
- reg = bnx2_reg_rd_ind(bp, addr + i * 4);
- reg = be32_to_cpu(reg);
- memcpy(&bp->fw_version[j], ®, 4);
- j += 4;
- }
- }
- reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
- bp->mac_addr[0] = (u8) (reg >> 8);
- bp->mac_addr[1] = (u8) reg;
- reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
- bp->mac_addr[2] = (u8) (reg >> 24);
- bp->mac_addr[3] = (u8) (reg >> 16);
- bp->mac_addr[4] = (u8) (reg >> 8);
- bp->mac_addr[5] = (u8) reg;
- bp->tx_ring_size = BNX2_MAX_TX_DESC_CNT;
- bnx2_set_rx_ring_size(bp, 255);
- bp->tx_quick_cons_trip_int = 2;
- bp->tx_quick_cons_trip = 20;
- bp->tx_ticks_int = 18;
- bp->tx_ticks = 80;
- bp->rx_quick_cons_trip_int = 2;
- bp->rx_quick_cons_trip = 12;
- bp->rx_ticks_int = 18;
- bp->rx_ticks = 18;
- bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
- bp->current_interval = BNX2_TIMER_INTERVAL;
- bp->phy_addr = 1;
- /* allocate stats_blk */
- rc = bnx2_alloc_stats_blk(dev);
- if (rc)
- goto err_out_unmap;
- /* Disable WOL support if we are running on a SERDES chip. */
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- bnx2_get_5709_media(bp);
- else if (BNX2_CHIP_BOND(bp) & BNX2_CHIP_BOND_SERDES_BIT)
- bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
- bp->phy_port = PORT_TP;
- if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- bp->phy_port = PORT_FIBRE;
- reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
- if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
- bp->flags |= BNX2_FLAG_NO_WOL;
- bp->wol = 0;
- }
- if (BNX2_CHIP(bp) == BNX2_CHIP_5706) {
- /* Don't do parallel detect on this board because of
- * some board problems. The link will not go down
- * if we do parallel detect.
- */
- if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
- pdev->subsystem_device == 0x310c)
- bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
- } else {
- bp->phy_addr = 2;
- if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
- bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
- }
- } else if (BNX2_CHIP(bp) == BNX2_CHIP_5706 ||
- BNX2_CHIP(bp) == BNX2_CHIP_5708)
- bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
- else if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
- (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax ||
- BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Bx))
- bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
- bnx2_init_fw_cap(bp);
- if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
- (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1) ||
- !(BNX2_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
- bp->flags |= BNX2_FLAG_NO_WOL;
- bp->wol = 0;
- }
- if (bp->flags & BNX2_FLAG_NO_WOL)
- device_set_wakeup_capable(&bp->pdev->dev, false);
- else
- device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
- if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
- bp->tx_quick_cons_trip_int =
- bp->tx_quick_cons_trip;
- bp->tx_ticks_int = bp->tx_ticks;
- bp->rx_quick_cons_trip_int =
- bp->rx_quick_cons_trip;
- bp->rx_ticks_int = bp->rx_ticks;
- bp->comp_prod_trip_int = bp->comp_prod_trip;
- bp->com_ticks_int = bp->com_ticks;
- bp->cmd_ticks_int = bp->cmd_ticks;
- }
- /* Disable MSI on 5706 if AMD 8132 bridge is found.
- *
- * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
- * with byte enables disabled on the unused 32-bit word. This is legal
- * but causes problems on the AMD 8132 which will eventually stop
- * responding after a while.
- *
- * AMD believes this incompatibility is unique to the 5706, and
- * prefers to locally disable MSI rather than globally disabling it.
- */
- if (BNX2_CHIP(bp) == BNX2_CHIP_5706 && disable_msi == 0) {
- struct pci_dev *amd_8132 = NULL;
- while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
- PCI_DEVICE_ID_AMD_8132_BRIDGE,
- amd_8132))) {
- if (amd_8132->revision >= 0x10 &&
- amd_8132->revision <= 0x13) {
- disable_msi = 1;
- pci_dev_put(amd_8132);
- break;
- }
- }
- }
- bnx2_set_default_link(bp);
- bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
- timer_setup(&bp->timer, bnx2_timer, 0);
- bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
- #ifdef BCM_CNIC
- if (bnx2_shmem_rd(bp, BNX2_ISCSI_INITIATOR) & BNX2_ISCSI_INITIATOR_EN)
- bp->cnic_eth_dev.max_iscsi_conn =
- (bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) &
- BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT;
- bp->cnic_probe = bnx2_cnic_probe;
- #endif
- pci_save_state(pdev);
- return 0;
- err_out_unmap:
- if (bp->flags & BNX2_FLAG_AER_ENABLED) {
- pci_disable_pcie_error_reporting(pdev);
- bp->flags &= ~BNX2_FLAG_AER_ENABLED;
- }
- pci_iounmap(pdev, bp->regview);
- bp->regview = NULL;
- err_out_release:
- pci_release_regions(pdev);
- err_out_disable:
- pci_disable_device(pdev);
- err_out:
- kfree(bp->temp_stats_blk);
- return rc;
- }
- static char *
- bnx2_bus_string(struct bnx2 *bp, char *str)
- {
- char *s = str;
- if (bp->flags & BNX2_FLAG_PCIE) {
- s += sprintf(s, "PCI Express");
- } else {
- s += sprintf(s, "PCI");
- if (bp->flags & BNX2_FLAG_PCIX)
- s += sprintf(s, "-X");
- if (bp->flags & BNX2_FLAG_PCI_32BIT)
- s += sprintf(s, " 32-bit");
- else
- s += sprintf(s, " 64-bit");
- s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
- }
- return str;
- }
- static void
- bnx2_del_napi(struct bnx2 *bp)
- {
- int i;
- for (i = 0; i < bp->irq_nvecs; i++)
- netif_napi_del(&bp->bnx2_napi[i].napi);
- }
- static void
- bnx2_init_napi(struct bnx2 *bp)
- {
- int i;
- for (i = 0; i < bp->irq_nvecs; i++) {
- struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
- int (*poll)(struct napi_struct *, int);
- if (i == 0)
- poll = bnx2_poll;
- else
- poll = bnx2_poll_msix;
- netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll);
- bnapi->bp = bp;
- }
- }
- static const struct net_device_ops bnx2_netdev_ops = {
- .ndo_open = bnx2_open,
- .ndo_start_xmit = bnx2_start_xmit,
- .ndo_stop = bnx2_close,
- .ndo_get_stats64 = bnx2_get_stats64,
- .ndo_set_rx_mode = bnx2_set_rx_mode,
- .ndo_eth_ioctl = bnx2_ioctl,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = bnx2_change_mac_addr,
- .ndo_change_mtu = bnx2_change_mtu,
- .ndo_set_features = bnx2_set_features,
- .ndo_tx_timeout = bnx2_tx_timeout,
- #ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = poll_bnx2,
- #endif
- };
- static int
- bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
- {
- struct net_device *dev;
- struct bnx2 *bp;
- int rc;
- char str[40];
- /* dev zeroed in init_etherdev */
- dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
- if (!dev)
- return -ENOMEM;
- rc = bnx2_init_board(pdev, dev);
- if (rc < 0)
- goto err_free;
- dev->netdev_ops = &bnx2_netdev_ops;
- dev->watchdog_timeo = TX_TIMEOUT;
- dev->ethtool_ops = &bnx2_ethtool_ops;
- bp = netdev_priv(dev);
- pci_set_drvdata(pdev, dev);
- /*
- * In-flight DMA from 1st kernel could continue going in kdump kernel.
- * New io-page table has been created before bnx2 does reset at open stage.
- * We have to wait for the in-flight DMA to complete to avoid it look up
- * into the newly created io-page table.
- */
- if (is_kdump_kernel())
- bnx2_wait_dma_complete(bp);
- eth_hw_addr_set(dev, bp->mac_addr);
- dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
- NETIF_F_TSO | NETIF_F_TSO_ECN |
- NETIF_F_RXHASH | NETIF_F_RXCSUM;
- if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
- dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
- dev->vlan_features = dev->hw_features;
- dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
- dev->features |= dev->hw_features;
- dev->priv_flags |= IFF_UNICAST_FLT;
- dev->min_mtu = MIN_ETHERNET_PACKET_SIZE;
- dev->max_mtu = MAX_ETHERNET_JUMBO_PACKET_SIZE;
- if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
- dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
- if ((rc = register_netdev(dev))) {
- dev_err(&pdev->dev, "Cannot register net device\n");
- goto error;
- }
- netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, "
- "node addr %pM\n", board_info[ent->driver_data].name,
- ((BNX2_CHIP_ID(bp) & 0xf000) >> 12) + 'A',
- ((BNX2_CHIP_ID(bp) & 0x0ff0) >> 4),
- bnx2_bus_string(bp, str), (long)pci_resource_start(pdev, 0),
- pdev->irq, dev->dev_addr);
- return 0;
- error:
- pci_iounmap(pdev, bp->regview);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- err_free:
- bnx2_free_stats_blk(dev);
- free_netdev(dev);
- return rc;
- }
- static void
- bnx2_remove_one(struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2 *bp = netdev_priv(dev);
- unregister_netdev(dev);
- del_timer_sync(&bp->timer);
- cancel_work_sync(&bp->reset_task);
- pci_iounmap(bp->pdev, bp->regview);
- bnx2_free_stats_blk(dev);
- kfree(bp->temp_stats_blk);
- if (bp->flags & BNX2_FLAG_AER_ENABLED) {
- pci_disable_pcie_error_reporting(pdev);
- bp->flags &= ~BNX2_FLAG_AER_ENABLED;
- }
- bnx2_release_firmware(bp);
- free_netdev(dev);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- }
- #ifdef CONFIG_PM_SLEEP
- static int
- bnx2_suspend(struct device *device)
- {
- struct net_device *dev = dev_get_drvdata(device);
- struct bnx2 *bp = netdev_priv(dev);
- if (netif_running(dev)) {
- cancel_work_sync(&bp->reset_task);
- bnx2_netif_stop(bp, true);
- netif_device_detach(dev);
- del_timer_sync(&bp->timer);
- bnx2_shutdown_chip(bp);
- __bnx2_free_irq(bp);
- bnx2_free_skbs(bp);
- }
- bnx2_setup_wol(bp);
- return 0;
- }
- static int
- bnx2_resume(struct device *device)
- {
- struct net_device *dev = dev_get_drvdata(device);
- struct bnx2 *bp = netdev_priv(dev);
- if (!netif_running(dev))
- return 0;
- bnx2_set_power_state(bp, PCI_D0);
- netif_device_attach(dev);
- bnx2_request_irq(bp);
- bnx2_init_nic(bp, 1);
- bnx2_netif_start(bp, true);
- return 0;
- }
- static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume);
- #define BNX2_PM_OPS (&bnx2_pm_ops)
- #else
- #define BNX2_PM_OPS NULL
- #endif /* CONFIG_PM_SLEEP */
- /**
- * bnx2_io_error_detected - called when PCI error is detected
- * @pdev: Pointer to PCI device
- * @state: The current pci connection state
- *
- * This function is called after a PCI bus error affecting
- * this device has been detected.
- */
- static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
- pci_channel_state_t state)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2 *bp = netdev_priv(dev);
- rtnl_lock();
- netif_device_detach(dev);
- if (state == pci_channel_io_perm_failure) {
- rtnl_unlock();
- return PCI_ERS_RESULT_DISCONNECT;
- }
- if (netif_running(dev)) {
- bnx2_netif_stop(bp, true);
- del_timer_sync(&bp->timer);
- bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
- }
- pci_disable_device(pdev);
- rtnl_unlock();
- /* Request a slot slot reset. */
- return PCI_ERS_RESULT_NEED_RESET;
- }
- /**
- * bnx2_io_slot_reset - called after the pci bus has been reset.
- * @pdev: Pointer to PCI device
- *
- * Restart the card from scratch, as if from a cold-boot.
- */
- static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2 *bp = netdev_priv(dev);
- pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
- int err = 0;
- rtnl_lock();
- if (pci_enable_device(pdev)) {
- dev_err(&pdev->dev,
- "Cannot re-enable PCI device after reset\n");
- } else {
- pci_set_master(pdev);
- pci_restore_state(pdev);
- pci_save_state(pdev);
- if (netif_running(dev))
- err = bnx2_init_nic(bp, 1);
- if (!err)
- result = PCI_ERS_RESULT_RECOVERED;
- }
- if (result != PCI_ERS_RESULT_RECOVERED && netif_running(dev)) {
- bnx2_napi_enable(bp);
- dev_close(dev);
- }
- rtnl_unlock();
- if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
- return result;
- return result;
- }
- /**
- * bnx2_io_resume - called when traffic can start flowing again.
- * @pdev: Pointer to PCI device
- *
- * This callback is called when the error recovery driver tells us that
- * its OK to resume normal operation.
- */
- static void bnx2_io_resume(struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2 *bp = netdev_priv(dev);
- rtnl_lock();
- if (netif_running(dev))
- bnx2_netif_start(bp, true);
- netif_device_attach(dev);
- rtnl_unlock();
- }
- static void bnx2_shutdown(struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2 *bp;
- if (!dev)
- return;
- bp = netdev_priv(dev);
- if (!bp)
- return;
- rtnl_lock();
- if (netif_running(dev))
- dev_close(bp->dev);
- if (system_state == SYSTEM_POWER_OFF)
- bnx2_set_power_state(bp, PCI_D3hot);
- rtnl_unlock();
- }
- static const struct pci_error_handlers bnx2_err_handler = {
- .error_detected = bnx2_io_error_detected,
- .slot_reset = bnx2_io_slot_reset,
- .resume = bnx2_io_resume,
- };
- static struct pci_driver bnx2_pci_driver = {
- .name = DRV_MODULE_NAME,
- .id_table = bnx2_pci_tbl,
- .probe = bnx2_init_one,
- .remove = bnx2_remove_one,
- .driver.pm = BNX2_PM_OPS,
- .err_handler = &bnx2_err_handler,
- .shutdown = bnx2_shutdown,
- };
- module_pci_driver(bnx2_pci_driver);
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