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path: root/drivers/net/ethernet/broadcom/bnx2.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2.c8621
1 files changed, 8621 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
new file mode 100644
index 00000000000..965c7235804
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnx2.c
@@ -0,0 +1,8621 @@
+/* bnx2.c: Broadcom NX2 network driver.
+ *
+ * Copyright (c) 2004-2011 Broadcom 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 (mchan@broadcom.com)
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/moduleparam.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/init.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>
+
+#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
+#define BCM_CNIC 1
+#include "cnic_if.h"
+#endif
+#include "bnx2.h"
+#include "bnx2_fw.h"
+
+#define DRV_MODULE_NAME "bnx2"
+#define DRV_MODULE_VERSION "2.1.11"
+#define DRV_MODULE_RELDATE "July 20, 2011"
+#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.1.fw"
+#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
+#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1a.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)
+
+static char version[] __devinitdata =
+ "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
+
+MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
+MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_MODULE_VERSION);
+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, 0);
+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[] __devinitdata = {
+ { "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 DEFINE_PCI_DEVICE_TABLE(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-bufferred)"},
+ /* 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-bufferred)"},
+ /* 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;
+
+ /* Tell compiler to fetch tx_prod and tx_cons from memory. */
+ barrier();
+
+ /* The ring uses 256 indices for 255 entries, one of them
+ * needs to be skipped.
+ */
+ diff = txr->tx_prod - txr->tx_cons;
+ if (unlikely(diff >= TX_DESC_CNT)) {
+ diff &= 0xffff;
+ if (diff == TX_DESC_CNT)
+ diff = MAX_TX_DESC_CNT;
+ }
+ return bp->tx_ring_size - diff;
+}
+
+static u32
+bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
+{
+ u32 val;
+
+ spin_lock_bh(&bp->indirect_lock);
+ REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
+ val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
+ spin_unlock_bh(&bp->indirect_lock);
+ return val;
+}
+
+static void
+bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
+{
+ spin_lock_bh(&bp->indirect_lock);
+ REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
+ REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
+ spin_unlock_bh(&bp->indirect_lock);
+}
+
+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)
+{
+ offset += cid_addr;
+ spin_lock_bh(&bp->indirect_lock);
+ if (CHIP_NUM(bp) == CHIP_NUM_5709) {
+ int i;
+
+ REG_WR(bp, BNX2_CTX_CTX_DATA, val);
+ REG_WR(bp, BNX2_CTX_CTX_CTRL,
+ offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
+ for (i = 0; i < 5; i++) {
+ val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
+ if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
+ break;
+ udelay(5);
+ }
+ } else {
+ REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
+ REG_WR(bp, BNX2_CTX_DATA, val);
+ }
+ spin_unlock_bh(&bp->indirect_lock);
+}
+
+#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 == NULL)
+ 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_assign_pointer(bp->cnic_ops, NULL);
+ mutex_unlock(&bp->cnic_lock);
+ synchronize_rcu();
+ return 0;
+}
+
+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;
+}
+EXPORT_SYMBOL(bnx2_cnic_probe);
+
+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 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+ val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
+
+ REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
+ REG_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;
+ REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
+ if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+
+ val1 = REG_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 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+ val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
+
+ REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
+ REG_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 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+ val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
+
+ REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
+ REG_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;
+ REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ val1 = REG_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 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+ val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
+
+ REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
+ REG_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];
+ REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
+ BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
+ }
+ REG_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];
+
+ REG_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);
+
+ REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
+ BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
+ bnapi->last_status_idx);
+ }
+ REG_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 == NULL)
+ 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 == NULL)
+ 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(SW_RXBD_RING_SIZE * bp->rx_max_ring);
+ if (rxr->rx_buf_ring == NULL)
+ 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] == NULL)
+ return -ENOMEM;
+
+ }
+
+ if (bp->rx_pg_ring_size) {
+ rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
+ bp->rx_max_pg_ring);
+ if (rxr->rx_pg_ring == NULL)
+ 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] == NULL)
+ return -ENOMEM;
+
+ }
+ }
+ 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, BCM_PAGE_SIZE,
+ bp->ctx_blk[i],
+ bp->ctx_blk_mapping[i]);
+ bp->ctx_blk[i] = NULL;
+ }
+ }
+ if (bnapi->status_blk.msi) {
+ dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
+ bnapi->status_blk.msi,
+ bp->status_blk_mapping);
+ bnapi->status_blk.msi = NULL;
+ bp->stats_blk = NULL;
+ }
+}
+
+static int
+bnx2_alloc_mem(struct bnx2 *bp)
+{
+ int i, status_blk_size, err;
+ struct bnx2_napi *bnapi;
+ void *status_blk;
+
+ /* 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 == NULL)
+ goto alloc_mem_err;
+
+ memset(status_blk, 0, bp->status_stats_size);
+
+ bnapi = &bp->bnx2_napi[0];
+ bnapi->status_blk.msi = 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 = (void *) (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;
+ }
+ }
+
+ bp->stats_blk = status_blk + status_blk_size;
+
+ bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
+
+ if (CHIP_NUM(bp) == CHIP_NUM_5709) {
+ bp->ctx_pages = 0x2000 / BCM_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,
+ BCM_PAGE_SIZE,
+ &bp->ctx_blk_mapping[i],
+ GFP_KERNEL);
+ if (bp->ctx_blk[i] == NULL)
+ 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) &&
+ (CHIP_NUM(bp) == CHIP_NUM_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;
+
+ 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;
+ }
+ }
+
+ 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;
+
+ REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
+ if (bp->link_up && (bp->line_speed == SPEED_1000) &&
+ (bp->duplex == DUPLEX_HALF)) {
+ REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
+ }
+
+ /* Configure the EMAC mode register. */
+ val = REG_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 (CHIP_NUM(bp) != CHIP_NUM_5706) {
+ val |= BNX2_EMAC_MODE_PORT_MII_10M;
+ break;
+ }
+ /* fall through */
+ case SPEED_100:
+ val |= BNX2_EMAC_MODE_PORT_MII;
+ break;
+ case SPEED_2500:
+ val |= BNX2_EMAC_MODE_25G_MODE;
+ /* fall through */
+ 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;
+ REG_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;
+ REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
+
+ /* Enable/disable tx PAUSE. */
+ val = REG_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;
+ REG_WR(bp, BNX2_EMAC_TX_MODE, val);
+
+ /* Acknowledge the interrupt. */
+ REG_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) &&
+ (CHIP_NUM(bp) == CHIP_NUM_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) &&
+ (CHIP_NUM(bp) == CHIP_NUM_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 (CHIP_NUM(bp) == CHIP_NUM_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 (CHIP_NUM(bp) == CHIP_NUM_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 (CHIP_NUM(bp) == CHIP_NUM_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 (CHIP_NUM(bp) == CHIP_NUM_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 uninitialized_var(bmcr);
+ int err;
+
+ if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
+ return;
+
+ if (CHIP_NUM(bp) == CHIP_NUM_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 (CHIP_NUM(bp) == CHIP_NUM_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 uninitialized_var(bmcr);
+ int err;
+
+ if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
+ return;
+
+ if (CHIP_NUM(bp) == CHIP_NUM_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 (CHIP_NUM(bp) == CHIP_NUM_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) &&
+ (CHIP_NUM(bp) == CHIP_NUM_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 = REG_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 (CHIP_NUM(bp) == CHIP_NUM_5706)
+ bnx2_5706s_linkup(bp);
+ else if (CHIP_NUM(bp) == CHIP_NUM_5708)
+ bnx2_5708s_linkup(bp);
+ else if (CHIP_NUM(bp) == CHIP_NUM_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, &reg);
+ 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 (CHIP_NUM(bp) == CHIP_NUM_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 (CHIP_NUM(bp) == CHIP_NUM_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;
+ REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
+ REG_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;
+ case BNX2_LINK_STATUS_10FULL:
+ bp->line_speed = SPEED_10;
+ break;
+ case BNX2_LINK_STATUS_100HALF:
+ bp->duplex = DUPLEX_HALF;
+ 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;
+ case BNX2_LINK_STATUS_1000FULL:
+ bp->line_speed = SPEED_1000;
+ break;
+ case BNX2_LINK_STATUS_2500HALF:
+ bp->duplex = DUPLEX_HALF;
+ 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;
+ u32 new_bmcr;
+
+ bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
+
+ if (bp->autoneg & AUTONEG_SPEED) {
+ u32 adv_reg, adv1000_reg;
+ u32 new_adv_reg = 0;
+ u32 new_adv1000_reg = 0;
+
+ bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
+ adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
+ ADVERTISE_PAUSE_ASYM);
+
+ bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
+ adv1000_reg &= PHY_ALL_1000_SPEED;
+
+ if (bp->advertising & ADVERTISED_10baseT_Half)
+ new_adv_reg |= ADVERTISE_10HALF;
+ if (bp->advertising & ADVERTISED_10baseT_Full)
+ new_adv_reg |= ADVERTISE_10FULL;
+ if (bp->advertising & ADVERTISED_100baseT_Half)
+ new_adv_reg |= ADVERTISE_100HALF;
+ if (bp->advertising & ADVERTISED_100baseT_Full)
+ new_adv_reg |= ADVERTISE_100FULL;
+ if (bp->advertising & ADVERTISED_1000baseT_Full)
+ new_adv1000_reg |= ADVERTISE_1000FULL;
+
+ new_adv_reg |= ADVERTISE_CSMA;
+
+ new_adv_reg |= bnx2_phy_get_pause_adv(bp);
+
+ if ((adv1000_reg != new_adv1000_reg) ||
+ (adv_reg != new_adv_reg) ||
+ ((bmcr & BMCR_ANENABLE) == 0)) {
+
+ bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
+ bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
+ 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;
+ }
+
+ 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 ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
+ (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
+ (CHIP_ID(bp) == 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 (CHIP_NUM(bp) == CHIP_NUM_5706)
+ REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
+
+ if (bp->dev->mtu > 1500) {
+ 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 > 1500) {
+ /* 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, 0x18, 0x7007);
+ bnx2_read_phy(bp, 0x18, &val);
+ bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
+ 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;
+
+ REG_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 (CHIP_NUM(bp) == CHIP_NUM_5706)
+ rc = bnx2_init_5706s_phy(bp, reset_phy);
+ else if (CHIP_NUM(bp) == CHIP_NUM_5708)
+ rc = bnx2_init_5708s_phy(bp, reset_phy);
+ else if (CHIP_NUM(bp) == CHIP_NUM_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 = REG_RD(bp, BNX2_EMAC_MODE);
+ mac_mode &= ~BNX2_EMAC_MODE_PORT;
+ mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
+ REG_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 = REG_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;
+ REG_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 (CHIP_NUM(bp) == CHIP_NUM_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, 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;
+
+ 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 |= (BCM_PAGE_BITS - 8) << 16;
+ REG_WR(bp, BNX2_CTX_COMMAND, val);
+ for (i = 0; i < 10; i++) {
+ val = REG_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, BCM_PAGE_SIZE);
+ else
+ return -ENOMEM;
+
+ REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
+ (bp->ctx_blk_mapping[i] & 0xffffffff) |
+ BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
+ REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
+ (u64) bp->ctx_blk_mapping[i] >> 32);
+ REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
+ BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
+ for (j = 0; j < 10; j++) {
+
+ val = REG_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 (CHIP_ID(bp) == 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);
+
+ REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
+ REG_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(512 * sizeof(u16), GFP_KERNEL);
+ if (good_mbuf == NULL) {
+ pr_err("Failed to allocate memory in %s\n", __func__);
+ return -ENOMEM;
+ }
+
+ REG_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, u8 *mac_addr, u32 pos)
+{
+ u32 val;
+
+ val = (mac_addr[0] << 8) | mac_addr[1];
+
+ REG_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];
+
+ REG_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 sw_pg *rx_pg = &rxr->rx_pg_ring[index];
+ struct rx_bd *rxbd =
+ &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
+ struct page *page = alloc_page(gfp);
+
+ if (!page)
+ return -ENOMEM;
+ mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
+ PCI_DMA_FROMDEVICE);
+ 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 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, PCI_DMA_FROMDEVICE);
+
+ __free_page(page);
+ rx_pg->page = NULL;
+}
+
+static inline int
+bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
+{
+ struct sk_buff *skb;
+ struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
+ dma_addr_t mapping;
+ struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
+ unsigned long align;
+
+ skb = __netdev_alloc_skb(bp->dev, bp->rx_buf_size, gfp);
+ if (skb == NULL) {
+ return -ENOMEM;
+ }
+
+ if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
+ skb_reserve(skb, BNX2_RX_ALIGN - align);
+
+ mapping = dma_map_single(&bp->pdev->dev, skb->data, bp->rx_buf_use_size,
+ PCI_DMA_FROMDEVICE);
+ if (dma_mapping_error(&bp->pdev->dev, mapping)) {
+ dev_kfree_skb(skb);
+ return -EIO;
+ }
+
+ rx_buf->skb = skb;
+ rx_buf->desc = (struct l2_fhdr *) skb->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)
+ REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
+ else
+ REG_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;
+
+ /* Tell compiler that status block fields can change. */
+ barrier();
+ cons = *bnapi->hw_tx_cons_ptr;
+ barrier();
+ if (unlikely((cons & MAX_TX_DESC_CNT) == 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;
+ 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 sw_tx_bd *tx_buf;
+ struct sk_buff *skb;
+ int i, last;
+
+ sw_ring_cons = 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 >= 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), PCI_DMA_TODEVICE);
+
+ tx_buf->skb = NULL;
+ last = tx_buf->nr_frags;
+
+ for (i = 0; i < last; i++) {
+ sw_cons = NEXT_TX_BD(sw_cons);
+
+ dma_unmap_page(&bp->pdev->dev,
+ dma_unmap_addr(
+ &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
+ mapping),
+ skb_frag_size(&skb_shinfo(skb)->frags[i]),
+ PCI_DMA_TODEVICE);
+ }
+
+ sw_cons = NEXT_TX_BD(sw_cons);
+
+ dev_kfree_skb(skb);
+ tx_pkt++;
+ if (tx_pkt == budget)
+ break;
+
+ if (hw_cons == sw_cons)
+ hw_cons = bnx2_get_hw_tx_cons(bnapi);
+ }
+
+ 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 sw_pg *cons_rx_pg, *prod_rx_pg;
+ struct 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 = 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[RX_RING(cons)][RX_IDX(cons)];
+ prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][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 = RX_PG_RING_IDX(NEXT_RX_BD(cons));
+ hw_prod = NEXT_RX_BD(hw_prod);
+ }
+ rxr->rx_pg_prod = hw_prod;
+ rxr->rx_pg_cons = cons;
+}
+
+static inline void
+bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
+ struct sk_buff *skb, u16 cons, u16 prod)
+{
+ struct sw_bd *cons_rx_buf, *prod_rx_buf;
+ struct 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, PCI_DMA_FROMDEVICE);
+
+ rxr->rx_prod_bseq += bp->rx_buf_use_size;
+
+ prod_rx_buf->skb = skb;
+ prod_rx_buf->desc = (struct l2_fhdr *) skb->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[RX_RING(cons)][RX_IDX(cons)];
+ prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][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 int
+bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
+ unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
+ u32 ring_idx)
+{
+ int err;
+ u16 prod = ring_idx & 0xffff;
+
+ err = bnx2_alloc_rx_skb(bp, rxr, prod, GFP_ATOMIC);
+ if (unlikely(err)) {
+ bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
+ 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 err;
+ }
+
+ skb_reserve(skb, BNX2_RX_OFFSET);
+ dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
+ PCI_DMA_FROMDEVICE);
+
+ if (hdr_len == 0) {
+ skb_put(skb, len);
+ return 0;
+ } else {
+ unsigned int i, frag_len, frag_size, pages;
+ struct 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 0;
+ }
+ 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,
+ 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 err;
+ }
+
+ dma_unmap_page(&bp->pdev->dev, mapping_old,
+ PAGE_SIZE, PCI_DMA_FROMDEVICE);
+
+ frag_size -= frag_len;
+ skb->data_len += frag_len;
+ skb->truesize += PAGE_SIZE;
+ skb->len += frag_len;
+
+ pg_prod = NEXT_RX_BD(pg_prod);
+ pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
+ }
+ rxr->rx_pg_prod = pg_prod;
+ rxr->rx_pg_cons = pg_cons;
+ }
+ return 0;
+}
+
+static inline u16
+bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
+{
+ u16 cons;
+
+ /* Tell compiler that status block fields can change. */
+ barrier();
+ cons = *bnapi->hw_rx_cons_ptr;
+ barrier();
+ if (unlikely((cons & MAX_RX_DESC_CNT) == 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;
+
+ 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 sw_bd *rx_buf, *next_rx_buf;
+ struct sk_buff *skb;
+ dma_addr_t dma_addr;
+
+ sw_ring_cons = RX_RING_IDX(sw_cons);
+ sw_ring_prod = RX_RING_IDX(sw_prod);
+
+ rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
+ skb = rx_buf->skb;
+ prefetchw(skb);
+
+ next_rx_buf =
+ &rxr->rx_buf_ring[RX_RING_IDX(NEXT_RX_BD(sw_cons))];
+ prefetch(next_rx_buf->desc);
+
+ rx_buf->skb = NULL;
+
+ 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,
+ PCI_DMA_FROMDEVICE);
+
+ rx_hdr = rx_buf->desc;
+ 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_skb(bp, rxr, skb, 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) {
+ struct sk_buff *new_skb;
+
+ new_skb = netdev_alloc_skb(bp->dev, len + 6);
+ if (new_skb == NULL) {
+ bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
+ sw_ring_prod);
+ goto next_rx;
+ }
+
+ /* aligned copy */
+ skb_copy_from_linear_data_offset(skb,
+ BNX2_RX_OFFSET - 6,
+ new_skb->data, len + 6);
+ skb_reserve(new_skb, 6);
+ skb_put(new_skb, len);
+
+ bnx2_reuse_rx_skb(bp, rxr, skb,
+ sw_ring_cons, sw_ring_prod);
+
+ skb = new_skb;
+ } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
+ dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
+ 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, rx_hdr->l2_fhdr_vlan_tag);
+
+ skb->protocol = eth_type_trans(skb, bp->dev);
+
+ if ((len > (bp->dev->mtu + ETH_HLEN)) &&
+ (ntohs(skb->protocol) != 0x8100)) {
+
+ 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->rxhash = rx_hdr->l2_fhdr_hash;
+
+ skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
+ napi_gro_receive(&bnapi->napi, skb);
+ rx_pkt++;
+
+next_rx:
+ sw_cons = NEXT_RX_BD(sw_cons);
+ sw_prod = 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)
+ REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
+
+ REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
+
+ REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
+
+ mmiowb();
+
+ 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);
+ REG_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) &&
+ (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
+ BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
+ return IRQ_NONE;
+
+ REG_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.
+ */
+ REG_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 = REG_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) {
+ REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
+ ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
+ REG_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.
+ */
+ REG_WR(bp, BNX2_HC_COMMAND,
+ bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
+ REG_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(napi);
+ REG_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(napi);
+ if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
+ REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
+ BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
+ bnapi->last_status_idx);
+ break;
+ }
+ REG_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);
+
+ REG_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_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++) {
+ REG_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++) {
+ REG_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;
+ REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
+ }
+
+ REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
+ REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
+ REG_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 (CHIP_NUM(bp) == CHIP_NUM_5709) {
+ mips_fw_file = FW_MIPS_FILE_09;
+ if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
+ (CHIP_ID(bp) == 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) {
+ REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
+ rv2p_code++;
+ REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
+ rv2p_code++;
+
+ val = (i / 8) | cmd;
+ REG_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));
+ REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
+ code = be32_to_cpu(*(rv2p_code + loc));
+ code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
+ REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
+
+ val = (loc / 2) | cmd;
+ REG_WR(bp, addr, val);
+ }
+ }
+
+ /* Reset the processor, un-stall is done later. */
+ if (rv2p_proc == RV2P_PROC1) {
+ REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
+ }
+ else {
+ REG_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 int
+bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
+{
+ u16 pmcsr;
+
+ pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
+
+ switch (state) {
+ case PCI_D0: {
+ u32 val;
+
+ pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
+ (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
+ PCI_PM_CTRL_PME_STATUS);
+
+ if (pmcsr & PCI_PM_CTRL_STATE_MASK)
+ /* delay required during transition out of D3hot */
+ msleep(20);
+
+ val = REG_RD(bp, BNX2_EMAC_MODE);
+ val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
+ val &= ~BNX2_EMAC_MODE_MPKT;
+ REG_WR(bp, BNX2_EMAC_MODE, val);
+
+ val = REG_RD(bp, BNX2_RPM_CONFIG);
+ val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
+ REG_WR(bp, BNX2_RPM_CONFIG, val);
+ break;
+ }
+ case PCI_D3hot: {
+ 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 = REG_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;
+ }
+
+ REG_WR(bp, BNX2_EMAC_MODE, val);
+
+ /* receive all multicast */
+ for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
+ REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
+ 0xffffffff);
+ }
+ REG_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;
+ REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
+ REG_WR(bp, BNX2_RPM_SORT_USER0, val);
+ REG_WR(bp, BNX2_RPM_SORT_USER0, val |
+ BNX2_RPM_SORT_USER0_ENA);
+
+ /* Need to enable EMAC and RPM for WOL. */
+ REG_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 = REG_RD(bp, BNX2_RPM_CONFIG);
+ val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
+ REG_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))
+ bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
+ 1, 0);
+
+ pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
+ if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
+ (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
+
+ if (bp->wol)
+ pmcsr |= 3;
+ }
+ else {
+ pmcsr |= 3;
+ }
+ if (bp->wol) {
+ pmcsr |= PCI_PM_CTRL_PME_ENABLE;
+ }
+ pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
+ pmcsr);
+
+ /* No more memory access after this point until
+ * device is brought back to D0.
+ */
+ udelay(50);
+ 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. */
+ REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
+ for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
+ val = REG_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. */
+ REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
+
+ for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
+ val = REG_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 = REG_RD(bp, BNX2_MISC_CFG);
+ REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
+
+ if (bp->flash_info->flags & BNX2_NV_WREN) {
+ int j;
+
+ REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
+ REG_WR(bp, BNX2_NVM_COMMAND,
+ BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
+
+ for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
+ udelay(5);
+
+ val = REG_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 = REG_RD(bp, BNX2_MISC_CFG);
+ REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
+}
+
+
+static void
+bnx2_enable_nvram_access(struct bnx2 *bp)
+{
+ u32 val;
+
+ val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
+ /* Enable both bits, even on read. */
+ REG_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 = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
+ /* Disable both bits, even after read. */
+ REG_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. */
+ REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
+
+ /* Address of the NVRAM to read from. */
+ REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
+
+ /* Issue an erase command. */
+ REG_WR(bp, BNX2_NVM_COMMAND, cmd);
+
+ /* Wait for completion. */
+ for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
+ u32 val;
+
+ udelay(5);
+
+ val = REG_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. */
+ REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
+
+ /* Address of the NVRAM to read from. */
+ REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
+
+ /* Issue a read command. */
+ REG_WR(bp, BNX2_NVM_COMMAND, cmd);
+
+ /* Wait for completion. */
+ for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
+ u32 val;
+
+ udelay(5);
+
+ val = REG_RD(bp, BNX2_NVM_COMMAND);
+ if (val & BNX2_NVM_COMMAND_DONE) {
+ __be32 v = cpu_to_be32(REG_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. */
+ REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
+
+ memcpy(&val32, val, 4);
+
+ /* Write the data. */
+ REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
+
+ /* Address of the NVRAM to write to. */
+ REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
+
+ /* Issue the write command. */
+ REG_WR(bp, BNX2_NVM_COMMAND, cmd);
+
+ /* Wait for completion. */
+ for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
+ udelay(5);
+
+ if (REG_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 (CHIP_NUM(bp) == CHIP_NUM_5709) {
+ bp->flash_info = &flash_5709;
+ goto get_flash_size;
+ }
+
+ /* Determine the selected interface. */
+ val = REG_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 */
+ REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
+ REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
+ REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
+ REG_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 == NULL)
+ 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 == NULL) {
+ 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)
+{
+ REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
+
+ REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
+ REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
+}
+
+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. */
+ if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
+ (CHIP_NUM(bp) == CHIP_NUM_5708)) {
+ REG_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 = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
+ udelay(5);
+ } else { /* 5709 */
+ val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
+ val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
+ REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
+ val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
+
+ for (i = 0; i < 100; i++) {
+ msleep(1);
+ val = REG_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
+ if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
+ break;
+ }
+ }
+
+ /* 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 = REG_RD(bp, BNX2_MISC_ID);
+
+ if (CHIP_NUM(bp) == CHIP_NUM_5709) {
+ REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
+ REG_RD(bp, BNX2_MISC_COMMAND);
+ udelay(5);
+
+ val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
+ BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
+
+ REG_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. */
+ REG_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 ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
+ (CHIP_ID(bp) == CHIP_ID_5706_A1))
+ msleep(20);
+
+ /* Reset takes approximate 30 usec */
+ for (i = 0; i < 10; i++) {
+ val = REG_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 = REG_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 (CHIP_ID(bp) == CHIP_ID_5706_A0) {
+ /* Adjust the voltage regular to two steps lower. The default
+ * of this register is 0x0000000e. */
+ REG_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 */
+ REG_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. */
+ REG_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 ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
+ (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
+ val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
+
+ REG_WR(bp, BNX2_DMA_CONFIG, val);
+
+ if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
+ val = REG_RD(bp, BNX2_TDMA_CONFIG);
+ val |= BNX2_TDMA_CONFIG_ONE_DMA;
+ REG_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);
+ }
+
+ REG_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 (CHIP_NUM(bp) == CHIP_NUM_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 = REG_RD(bp, BNX2_MQ_CONFIG);
+ val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
+ val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
+ if (CHIP_NUM(bp) == CHIP_NUM_5709) {
+ val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
+ if (CHIP_REV(bp) == CHIP_REV_Ax)
+ val |= BNX2_MQ_CONFIG_HALT_DIS;
+ }
+
+ REG_WR(bp, BNX2_MQ_CONFIG, val);
+
+ val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
+ REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
+ REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
+
+ val = (BCM_PAGE_BITS - 8) << 24;
+ REG_WR(bp, BNX2_RV2P_CONFIG, val);
+
+ /* Configure page size. */
+ val = REG_RD(bp, BNX2_TBDR_CONFIG);
+ val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
+ val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
+ REG_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);
+ REG_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 + 4))
+ val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
+ REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
+
+ if (mtu < 1500)
+ mtu = 1500;
+
+ 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;
+
+ bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
+
+ /* Set up how to generate a link change interrupt. */
+ REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
+
+ REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
+ (u64) bp->status_blk_mapping & 0xffffffff);
+ REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
+
+ REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
+ (u64) bp->stats_blk_mapping & 0xffffffff);
+ REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
+ (u64) bp->stats_blk_mapping >> 32);
+
+ REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
+ (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
+
+ REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
+ (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
+
+ REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
+ (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
+
+ REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
+
+ REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
+
+ REG_WR(bp, BNX2_HC_COM_TICKS,
+ (bp->com_ticks_int << 16) | bp->com_ticks);
+
+ REG_WR(bp, BNX2_HC_CMD_TICKS,
+ (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
+
+ if (bp->flags & BNX2_FLAG_BROKEN_STATS)
+ REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
+ else
+ REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
+ REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
+
+ if (CHIP_ID(bp) == 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) {
+ REG_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;
+
+ REG_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;
+
+ REG_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);
+
+ REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
+ (bp->tx_quick_cons_trip_int << 16) |
+ bp->tx_quick_cons_trip);
+
+ REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
+ (bp->tx_ticks_int << 16) | bp->tx_ticks);
+
+ REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
+ (bp->rx_quick_cons_trip_int << 16) |
+ bp->rx_quick_cons_trip);
+
+ REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
+ (bp->rx_ticks_int << 16) | bp->rx_ticks);
+ }
+
+ /* Clear internal stats counters. */
+ REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
+
+ REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
+
+ /* Initialize the receive filter. */
+ bnx2_set_rx_mode(bp->dev);
+
+ if (CHIP_NUM(bp) == CHIP_NUM_5709) {
+ val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
+ val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
+ REG_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);
+
+ REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
+ REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
+
+ udelay(20);
+
+ bp->hc_cmd = REG_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 (CHIP_NUM(bp) == CHIP_NUM_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 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[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 rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
+ int num_rings)
+{
+ int i;
+ struct rx_bd *rxbd;
+
+ for (i = 0; i < num_rings; i++) {
+ int j;
+
+ rxbd = &rx_ring[i][0];
+ for (j = 0; j < 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 (CHIP_NUM(bp) == CHIP_NUM_5709) {
+ val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
+ REG_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 (CHIP_NUM(bp) == CHIP_NUM_5709)
+ REG_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 = NEXT_RX_BD(prod);
+ ring_prod = 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_skb(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 = NEXT_RX_BD(prod);
+ ring_prod = 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;
+
+ REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
+ REG_WR16(bp, rxr->rx_bidx_addr, prod);
+
+ REG_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);
+
+ REG_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)
+ REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
+ (TX_TSS_CID << 7));
+
+ REG_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) {
+ REG_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
+ REG_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;
+
+ REG_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 > MAX_RX_DESC_CNT) {
+ ring_size -= 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 +
+ 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 > MAX_TOTAL_RX_PG_DESC_CNT)
+ jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
+
+ bp->rx_pg_ring_size = jumbo_size;
+ bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
+ MAX_RX_PG_RINGS);
+ bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * 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 */
+ bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
+ bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
+ bp->rx_ring_size = size;
+ bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
+ bp->rx_max_ring_idx = (bp->rx_max_ring * 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 == NULL)
+ continue;
+
+ for (j = 0; j < TX_DESC_CNT; ) {
+ struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
+ struct sk_buff *skb = tx_buf->skb;
+ int k, last;
+
+ if (skb == NULL) {
+ j++;
+ continue;
+ }
+
+ dma_unmap_single(&bp->pdev->dev,
+ dma_unmap_addr(tx_buf, mapping),
+ skb_headlen(skb),
+ PCI_DMA_TODEVICE);
+
+ tx_buf->skb = NULL;
+
+ last = tx_buf->nr_frags;
+ j++;
+ for (k = 0; k < last; k++, j++) {
+ tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
+ dma_unmap_page(&bp->pdev->dev,
+ dma_unmap_addr(tx_buf, mapping),
+ skb_frag_size(&skb_shinfo(skb)->frags[k]),
+ PCI_DMA_TODEVICE);
+ }
+ dev_kfree_skb(skb);
+ }
+ }
+}
+
+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 == NULL)
+ return;
+
+ for (j = 0; j < bp->rx_max_ring_idx; j++) {
+ struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
+ struct sk_buff *skb = rx_buf->skb;
+
+ if (skb == NULL)
+ continue;
+
+ dma_unmap_single(&bp->pdev->dev,
+ dma_unmap_addr(rx_buf, mapping),
+ bp->rx_buf_use_size,
+ PCI_DMA_FROMDEVICE);
+
+ rx_buf->skb = NULL;
+
+ dev_kfree_skb(skb);
+ }
+ 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 (CHIP_NUM(bp) == CHIP_NUM_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 (CHIP_NUM(bp) == CHIP_NUM_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, *rx_skb;
+ unsigned char *packet;
+ u16 rx_start_idx, rx_idx;
+ dma_addr_t map;
+ struct tx_bd *txbd;
+ struct 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 = &bnapi->tx_ring;
+ struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
+
+ 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, 6);
+ memset(packet + 6, 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,
+ PCI_DMA_TODEVICE);
+ if (dma_mapping_error(&bp->pdev->dev, map)) {
+ dev_kfree_skb(skb);
+ return -EIO;
+ }
+
+ REG_WR(bp, BNX2_HC_COMMAND,
+ bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
+
+ REG_RD(bp, BNX2_HC_COMMAND);
+
+ udelay(5);
+ rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
+
+ num_pkts = 0;
+
+ txbd = &txr->tx_desc_ring[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 = NEXT_TX_BD(txr->tx_prod);
+ txr->tx_prod_bseq += pkt_size;
+
+ REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
+ REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
+
+ udelay(100);
+
+ REG_WR(bp, BNX2_HC_COMMAND,
+ bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
+
+ REG_RD(bp, BNX2_HC_COMMAND);
+
+ udelay(5);
+
+ dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
+ 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];
+ rx_skb = rx_buf->skb;
+
+ rx_hdr = rx_buf->desc;
+ skb_reserve(rx_skb, BNX2_RX_OFFSET);
+
+ dma_sync_single_for_cpu(&bp->pdev->dev,
+ dma_unmap_addr(rx_buf, mapping),
+ bp->rx_buf_size, PCI_DMA_FROMDEVICE);
+
+ 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 (*(rx_skb->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 = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
+
+ /* This register is not touched during run-time. */
+ REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
+ REG_RD(bp, BNX2_HC_COMMAND);
+
+ for (i = 0; i < 10; i++) {
+ if ((REG_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(unsigned long data)
+{
+ struct bnx2 *bp = (struct bnx2 *) data;
+
+ 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)
+ REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
+ BNX2_HC_COMMAND_STATS_NOW);
+
+ if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
+ if (CHIP_NUM(bp) == CHIP_NUM_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, rc;
+ 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);
+ REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
+ REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
+ REG_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 */
+ REG_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
+ rc = -ENOSPC;
+ while (total_vecs >= BNX2_MIN_MSIX_VEC) {
+ rc = pci_enable_msix(bp->pdev, msix_ent, total_vecs);
+ if (rc <= 0)
+ break;
+ if (rc > 0)
+ total_vecs = rc;
+ }
+
+ if (rc != 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 = num_online_cpus();
+ int msix_vecs = min(cpus + 1, 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 (CHIP_NUM(bp) == CHIP_NUM_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;
+ }
+ }
+
+ bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
+ netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
+
+ bp->num_rx_rings = bp->irq_nvecs;
+ 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_set_power_state(bp, PCI_D0);
+ 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;
+
+ rtnl_lock();
+ if (!netif_running(bp->dev)) {
+ rtnl_unlock();
+ return;
+ }
+
+ bnx2_netif_stop(bp, true);
+
+ 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();
+}
+
+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",
+ REG_RD(bp, BNX2_EMAC_TX_STATUS),
+ REG_RD(bp, BNX2_EMAC_RX_STATUS));
+ netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
+ REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
+ netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
+ REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
+ if (bp->flags & BNX2_FLAG_USING_MSIX)
+ netdev_err(dev, "DEBUG: PBA[%08x]\n",
+ REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
+}
+
+static void
+bnx2_tx_timeout(struct net_device *dev)
+{
+ struct bnx2 *bp = netdev_priv(dev);
+
+ 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 tx_bd *txbd;
+ struct 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 = TX_RING_IDX(prod);
+
+ vlan_tag_flags = 0;
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
+ }
+
+ if (vlan_tx_tag_present(skb)) {
+ vlan_tag_flags |=
+ (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_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, PCI_DMA_TODEVICE);
+ if (dma_mapping_error(&bp->pdev->dev, mapping)) {
+ dev_kfree_skb(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 = NEXT_TX_BD(prod);
+ ring_prod = 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;
+
+ prod = NEXT_TX_BD(prod);
+ txr->tx_prod_bseq += skb->len;
+
+ REG_WR16(bp, txr->tx_bidx_addr, prod);
+ REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
+
+ mmiowb();
+
+ 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 = 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), PCI_DMA_TODEVICE);
+
+ /* unmap remaining mapped pages */
+ for (i = 0; i < last_frag; i++) {
+ prod = NEXT_TX_BD(prod);
+ ring_prod = 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]),
+ PCI_DMA_TODEVICE);
+ }
+
+ dev_kfree_skb(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);
+ 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);
+ bnx2_set_power_state(bp, PCI_D3hot);
+ 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 struct rtnl_link_stats64 *
+bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
+{
+ struct bnx2 *bp = netdev_priv(dev);
+
+ if (bp->stats_blk == NULL)
+ return net_stats;
+
+ 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 ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
+ (CHIP_ID(bp) == 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);
+
+ return net_stats;
+}
+
+/* All ethtool functions called with rtnl_lock */
+
+static int
+bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct bnx2 *bp = netdev_priv(dev);
+ int support_serdes = 0, support_copper = 0;
+
+ cmd->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) {
+ cmd->supported |= SUPPORTED_1000baseT_Full |
+ SUPPORTED_FIBRE;
+ if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
+ cmd->supported |= SUPPORTED_2500baseX_Full;
+
+ }
+ if (support_copper) {
+ cmd->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->port = bp->phy_port;
+ cmd->advertising = bp->advertising;
+
+ if (bp->autoneg & AUTONEG_SPEED) {
+ cmd->autoneg = AUTONEG_ENABLE;
+ } else {
+ cmd->autoneg = AUTONEG_DISABLE;
+ }
+
+ if (netif_carrier_ok(dev)) {
+ ethtool_cmd_speed_set(cmd, bp->line_speed);
+ cmd->duplex = bp->duplex;
+ }
+ else {
+ ethtool_cmd_speed_set(cmd, -1);
+ cmd->duplex = -1;
+ }
+ spin_unlock_bh(&bp->phy_lock);
+
+ cmd->transceiver = XCVR_INTERNAL;
+ cmd->phy_address = bp->phy_addr;
+
+ return 0;
+}
+
+static int
+bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *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->port != PORT_TP && cmd->port != PORT_FIBRE)
+ goto err_out_unlock;
+
+ if (cmd->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->port != bp->phy_port)
+ goto err_out_unlock;
+
+ if (cmd->autoneg == AUTONEG_ENABLE) {
+ autoneg |= AUTONEG_SPEED;
+
+ advertising = cmd->advertising;
+ if (cmd->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 = ethtool_cmd_speed(cmd);
+ if (cmd->port == PORT_FIBRE) {
+ if ((speed != SPEED_1000 &&
+ speed != SPEED_2500) ||
+ (cmd->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->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->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);
+
+ strcpy(info->driver, DRV_MODULE_NAME);
+ strcpy(info->version, DRV_MODULE_VERSION);
+ strcpy(info->bus_info, pci_name(bp->pdev));
+ strcpy(info->fw_version, bp->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++ = REG_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;
+ }
+ 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 == NULL)
+ 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;
+
+ if (!netif_running(dev))
+ return -EAGAIN;
+
+ /* 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;
+
+ if (!netif_running(dev))
+ return -EAGAIN;
+
+ /* 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 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 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 bnx2 *bp = netdev_priv(dev);
+
+ ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
+ ering->rx_jumbo_max_pending = 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 = MAX_TX_DESC_CNT;
+ ering->tx_pending = bp->tx_ring_size;
+}
+
+static int
+bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
+{
+ 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);
+ __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;
+
+ 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 bnx2 *bp = netdev_priv(dev);
+ int rc;
+
+ if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
+ (ering->tx_pending > MAX_TX_DESC_CNT) ||
+ (ering->tx_pending <= MAX_SKB_FRAGS)) {
+
+ return -EINVAL;
+ }
+ rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
+ 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 (sizeof(bnx2_stats_str_arr)/\
+ sizeof(bnx2_stats_str_arr[0]))
+
+#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);
+
+ bnx2_set_power_state(bp, PCI_D0);
+
+ 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;
+
+ }
+ if (!netif_running(bp->dev))
+ bnx2_set_power_state(bp, PCI_D3hot);
+}
+
+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 == NULL) {
+ memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
+ return;
+ }
+
+ if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
+ (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
+ (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
+ (CHIP_ID(bp) == 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:
+ bnx2_set_power_state(bp, PCI_D0);
+
+ bp->leds_save = REG_RD(bp, BNX2_MISC_CFG);
+ REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
+ return 1; /* cycle on/off once per second */
+
+ case ETHTOOL_ID_ON:
+ REG_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:
+ REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
+ break;
+
+ case ETHTOOL_ID_INACTIVE:
+ REG_WR(bp, BNX2_EMAC_LED, 0);
+ REG_WR(bp, BNX2_MISC_CFG, bp->leds_save);
+
+ if (!netif_running(dev))
+ bnx2_set_power_state(bp, PCI_D3hot);
+ break;
+ }
+
+ return 0;
+}
+
+static u32
+bnx2_fix_features(struct net_device *dev, u32 features)
+{
+ struct bnx2 *bp = netdev_priv(dev);
+
+ if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
+ features |= NETIF_F_HW_VLAN_RX;
+
+ return features;
+}
+
+static int
+bnx2_set_features(struct net_device *dev, u32 features)
+{
+ struct bnx2 *bp = netdev_priv(dev);
+
+ /* TSO with VLAN tag won't work with current firmware */
+ if (features & NETIF_F_HW_VLAN_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_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 const struct ethtool_ops bnx2_ethtool_ops = {
+ .get_settings = bnx2_get_settings,
+ .set_settings = bnx2_set_settings,
+ .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,
+};
+
+/* 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;
+
+ /* fallthru */
+ 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 -EINVAL;
+
+ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ 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);
+
+ if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
+ ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
+ return -EINVAL;
+
+ dev->mtu = new_mtu;
+ return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size);
+}
+
+#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 __devinit
+bnx2_get_5709_media(struct bnx2 *bp)
+{
+ u32 val = REG_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 (PCI_FUNC(bp->pdev->devfn) == 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 __devinit
+bnx2_get_pci_speed(struct bnx2 *bp)
+{
+ u32 reg;
+
+ reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
+ if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
+ u32 clkreg;
+
+ bp->flags |= BNX2_FLAG_PCIX;
+
+ clkreg = REG_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 __devinit
+bnx2_read_vpd_fw_ver(struct bnx2 *bp)
+{
+ int rc, i, j;
+ u8 *data;
+ unsigned int block_end, rosize, len;
+
+#define BNX2_VPD_NVRAM_OFFSET 0x300
+#define BNX2_VPD_LEN 128
+#define BNX2_MAX_VER_SLEN 30
+
+ data = kmalloc(256, GFP_KERNEL);
+ if (!data)
+ return;
+
+ rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
+ BNX2_VPD_LEN);
+ if (rc)
+ goto vpd_done;
+
+ for (i = 0; i < BNX2_VPD_LEN; i += 4) {
+ data[i] = data[i + BNX2_VPD_LEN + 3];
+ data[i + 1] = data[i + BNX2_VPD_LEN + 2];
+ data[i + 2] = data[i + BNX2_VPD_LEN + 1];
+ data[i + 3] = data[i + BNX2_VPD_LEN];
+ }
+
+ i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
+ if (i < 0)
+ goto vpd_done;
+
+ rosize = pci_vpd_lrdt_size(&data[i]);
+ i += PCI_VPD_LRDT_TAG_SIZE;
+ block_end = i + rosize;
+
+ if (block_end > BNX2_VPD_LEN)
+ goto vpd_done;
+
+ j = pci_vpd_find_info_keyword(data, i, rosize,
+ PCI_VPD_RO_KEYWORD_MFR_ID);
+ if (j < 0)
+ goto vpd_done;
+
+ len = pci_vpd_info_field_size(&data[j]);
+
+ j += PCI_VPD_INFO_FLD_HDR_SIZE;
+ if (j + len > block_end || len != 4 ||
+ memcmp(&data[j], "1028", 4))
+ goto vpd_done;
+
+ j = pci_vpd_find_info_keyword(data, i, rosize,
+ PCI_VPD_RO_KEYWORD_VENDOR0);
+ if (j < 0)
+ goto vpd_done;
+
+ len = pci_vpd_info_field_size(&data[j]);
+
+ j += PCI_VPD_INFO_FLD_HDR_SIZE;
+ if (j + len > block_end || 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 __devinit
+bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
+{
+ struct bnx2 *bp;
+ unsigned long mem_len;
+ 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 == NULL) {
+ 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 = pci_find_capability(pdev, PCI_CAP_ID_PM);
+ 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);
+
+ dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
+ mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
+ dev->mem_end = dev->mem_start + mem_len;
+ dev->irq = pdev->irq;
+
+ bp->regview = ioremap_nocache(dev->base_addr, mem_len);
+
+ if (!bp->regview) {
+ dev_err(&pdev->dev, "Cannot map register space, aborting\n");
+ rc = -ENOMEM;
+ goto err_out_release;
+ }
+
+ bnx2_set_power_state(bp, PCI_D0);
+
+ /* 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
+ */
+ REG_WR(bp, BNX2_PCICFG_MISC_CONFIG,
+ BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
+ BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
+
+ bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
+
+ if (CHIP_NUM(bp) == CHIP_NUM_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 (CHIP_REV(bp) == 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 (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
+ if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
+ bp->flags |= BNX2_FLAG_MSIX_CAP;
+ }
+
+ if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
+ if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
+ bp->flags |= BNX2_FLAG_MSI_CAP;
+ }
+
+ /* 5708 cannot support DMA addresses > 40-bit. */
+ if (CHIP_NUM(bp) == CHIP_NUM_5708)
+ persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
+ else
+ persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
+
+ /* Configure DMA attributes. */
+ if (pci_set_dma_mask(pdev, dma_mask) == 0) {
+ dev->features |= NETIF_F_HIGHDMA;
+ rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
+ if (rc) {
+ dev_err(&pdev->dev,
+ "pci_set_consistent_dma_mask failed, aborting\n");
+ goto err_out_unmap;
+ }
+ } else if ((rc = pci_set_dma_mask(pdev, 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 (CHIP_ID(bp) == CHIP_ID_5706_A0) {
+ reg = REG_RD(bp, PCI_COMMAND);
+ reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
+ REG_WR(bp, PCI_COMMAND, reg);
+ }
+ else if ((CHIP_ID(bp) == 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");
+ goto err_out_unmap;
+ }
+
+ bnx2_init_nvram(bp);
+
+ reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
+
+ if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
+ BNX2_SHM_HDR_SIGNATURE_SIG) {
+ u32 off = PCI_FUNC(pdev->devfn) << 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], &reg, 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 = 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;
+
+ /* Disable WOL support if we are running on a SERDES chip. */
+ if (CHIP_NUM(bp) == CHIP_NUM_5709)
+ bnx2_get_5709_media(bp);
+ else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_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 (CHIP_NUM(bp) == CHIP_NUM_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 (CHIP_NUM(bp) == CHIP_NUM_5706 ||
+ CHIP_NUM(bp) == CHIP_NUM_5708)
+ bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
+ else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
+ (CHIP_REV(bp) == CHIP_REV_Ax ||
+ CHIP_REV(bp) == CHIP_REV_Bx))
+ bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
+
+ bnx2_init_fw_cap(bp);
+
+ if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
+ (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
+ (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
+ !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
+ bp->flags |= BNX2_FLAG_NO_WOL;
+ bp->wol = 0;
+ }
+
+ if (CHIP_ID(bp) == 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 (CHIP_NUM(bp) == CHIP_NUM_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;
+
+ init_timer(&bp->timer);
+ bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
+ bp->timer.data = (unsigned long) bp;
+ bp->timer.function = bnx2_timer;
+
+#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;
+#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;
+ }
+
+ if (bp->regview) {
+ iounmap(bp->regview);
+ bp->regview = NULL;
+ }
+
+err_out_release:
+ pci_release_regions(pdev);
+
+err_out_disable:
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+
+err_out:
+ return rc;
+}
+
+static char * __devinit
+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, 64);
+ 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_do_ioctl = bnx2_ioctl,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = bnx2_change_mac_addr,
+ .ndo_change_mtu = bnx2_change_mtu,
+ .ndo_fix_features = bnx2_fix_features,
+ .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 __devinit
+bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ static int version_printed = 0;
+ struct net_device *dev = NULL;
+ struct bnx2 *bp;
+ int rc;
+ char str[40];
+
+ if (version_printed++ == 0)
+ pr_info("%s", version);
+
+ /* 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) {
+ free_netdev(dev);
+ return rc;
+ }
+
+ 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);
+
+ memcpy(dev->dev_addr, bp->mac_addr, 6);
+ memcpy(dev->perm_addr, bp->mac_addr, 6);
+
+ dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
+ NETIF_F_TSO | NETIF_F_TSO_ECN |
+ NETIF_F_RXHASH | NETIF_F_RXCSUM;
+
+ if (CHIP_NUM(bp) == CHIP_NUM_5709)
+ dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
+
+ dev->vlan_features = dev->hw_features;
+ dev->hw_features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
+ dev->features |= dev->hw_features;
+ dev->priv_flags |= IFF_UNICAST_FLT;
+
+ 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,
+ ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
+ ((CHIP_ID(bp) & 0x0ff0) >> 4),
+ bnx2_bus_string(bp, str),
+ dev->base_addr,
+ bp->pdev->irq, dev->dev_addr);
+
+ return 0;
+
+error:
+ if (bp->regview)
+ iounmap(bp->regview);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+ free_netdev(dev);
+ return rc;
+}
+
+static void __devexit
+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);
+
+ if (bp->regview)
+ iounmap(bp->regview);
+
+ 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);
+ pci_set_drvdata(pdev, NULL);
+}
+
+static int
+bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2 *bp = netdev_priv(dev);
+
+ /* PCI register 4 needs to be saved whether netif_running() or not.
+ * MSI address and data need to be saved if using MSI and
+ * netif_running().
+ */
+ pci_save_state(pdev);
+ if (!netif_running(dev))
+ return 0;
+
+ 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_skbs(bp);
+ bnx2_set_power_state(bp, pci_choose_state(pdev, state));
+ return 0;
+}
+
+static int
+bnx2_resume(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2 *bp = netdev_priv(dev);
+
+ pci_restore_state(pdev);
+ if (!netif_running(dev))
+ return 0;
+
+ bnx2_set_power_state(bp, PCI_D0);
+ netif_device_attach(dev);
+ bnx2_init_nic(bp, 1);
+ bnx2_netif_start(bp, true);
+ return 0;
+}
+
+/**
+ * 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;
+ int err;
+
+ rtnl_lock();
+ if (pci_enable_device(pdev)) {
+ dev_err(&pdev->dev,
+ "Cannot re-enable PCI device after reset\n");
+ result = PCI_ERS_RESULT_DISCONNECT;
+ } else {
+ pci_set_master(pdev);
+ pci_restore_state(pdev);
+ pci_save_state(pdev);
+
+ if (netif_running(dev)) {
+ bnx2_set_power_state(bp, PCI_D0);
+ bnx2_init_nic(bp, 1);
+ }
+ result = PCI_ERS_RESULT_RECOVERED;
+ }
+ rtnl_unlock();
+
+ if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
+ return result;
+
+ err = pci_cleanup_aer_uncorrect_error_status(pdev);
+ if (err) {
+ dev_err(&pdev->dev,
+ "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
+ err); /* non-fatal, continue */
+ }
+
+ 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 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 = __devexit_p(bnx2_remove_one),
+ .suspend = bnx2_suspend,
+ .resume = bnx2_resume,
+ .err_handler = &bnx2_err_handler,
+};
+
+static int __init bnx2_init(void)
+{
+ return pci_register_driver(&bnx2_pci_driver);
+}
+
+static void __exit bnx2_cleanup(void)
+{
+ pci_unregister_driver(&bnx2_pci_driver);
+}
+
+module_init(bnx2_init);
+module_exit(bnx2_cleanup);
+
+
+
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 01:26:13 +0000