bnx2.c 164.1 KB
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/* bnx2.c: Broadcom NX2 network driver.
 *
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 * Copyright (c) 2004-2007 Broadcom Corporation
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 *
 * 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)
 */

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#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 <asm/bitops.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
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#include <asm/page.h>
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#include <linux/time.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#ifdef NETIF_F_HW_VLAN_TX
#include <linux/if_vlan.h>
#define BCM_VLAN 1
#endif
#include <net/ip.h>
#include <net/tcp.h>
#include <net/checksum.h>
#include <linux/workqueue.h>
#include <linux/crc32.h>
#include <linux/prefetch.h>
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#include <linux/cache.h>
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#include <linux/zlib.h>
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#include "bnx2.h"
#include "bnx2_fw.h"
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#include "bnx2_fw2.h"
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#define DRV_MODULE_NAME		"bnx2"
#define PFX DRV_MODULE_NAME	": "
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#define DRV_MODULE_VERSION	"1.5.11"
#define DRV_MODULE_RELDATE	"June 4, 2007"
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#define RUN_AT(x) (jiffies + (x))

/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT  (5*HZ)

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static const char version[] __devinitdata =
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	"Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";

MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
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MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
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MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);

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,
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	BCM5708,
	BCM5708S,
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	BCM5709,
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	BCM5709S,
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} board_t;

/* indexed by board_t, above */
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static const struct {
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	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" },
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	{ "Broadcom NetXtreme II BCM5708 1000Base-T" },
	{ "Broadcom NetXtreme II BCM5708 1000Base-SX" },
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	{ "Broadcom NetXtreme II BCM5709 1000Base-T" },
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	{ "Broadcom NetXtreme II BCM5709 1000Base-SX" },
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	};

static struct pci_device_id bnx2_pci_tbl[] = {
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
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	{ 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 },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
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	{ 0, }
};

static struct flash_spec flash_table[] =
{
	/* Slow EEPROM */
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	{0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
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	 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - slow"},
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	/* Expansion entry 0001 */
	{0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
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	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 0001"},
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	/* Saifun SA25F010 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
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	{0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
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	 0, 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 */
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	{0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
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	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
	 "Non-buffered flash (256kB)"},
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	/* Expansion entry 0100 */
	{0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
	 0, 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) */
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	{0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
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	 0, 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,
	 0, 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,
	 0, 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,
	 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - fast"},
	/* Expansion entry 1001 */
	{0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1001"},
	/* Expansion entry 1010 */
	{0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
	 0, 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,
	 1, 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,
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1100"},
	/* Expansion entry 1101 */
	{0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
	 0, 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,
	 1, 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,
	 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
	 "Buffered flash (256kB)"},
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};

MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);

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static inline u32 bnx2_tx_avail(struct bnx2 *bp)
{
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	u32 diff;
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	smp_mb();
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	/* The ring uses 256 indices for 255 entries, one of them
	 * needs to be skipped.
	 */
	diff = bp->tx_prod - bp->tx_cons;
	if (unlikely(diff >= TX_DESC_CNT)) {
		diff &= 0xffff;
		if (diff == TX_DESC_CNT)
			diff = MAX_TX_DESC_CNT;
	}
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	return (bp->tx_ring_size - diff);
}

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static u32
bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
{
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	u32 val;

	spin_lock_bh(&bp->indirect_lock);
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	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
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	val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
	spin_unlock_bh(&bp->indirect_lock);
	return val;
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}

static void
bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
{
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	spin_lock_bh(&bp->indirect_lock);
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	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
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	spin_unlock_bh(&bp->indirect_lock);
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}

static void
bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
{
	offset += cid_addr;
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	spin_lock_bh(&bp->indirect_lock);
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	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++) {
			u32 val;
			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);
	}
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	spin_unlock_bh(&bp->indirect_lock);
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}

static int
bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
{
	u32 val1;
	int i, ret;

	if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		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 & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		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 & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		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);
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	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 & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		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)
{
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
	       BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
}

static void
bnx2_enable_int(struct bnx2 *bp)
{
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	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
	       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
	       BNX2_PCICFG_INT_ACK_CMD_MASK_INT | bp->last_status_idx);

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	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
	       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);

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	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
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}

static void
bnx2_disable_int_sync(struct bnx2 *bp)
{
	atomic_inc(&bp->intr_sem);
	bnx2_disable_int(bp);
	synchronize_irq(bp->pdev->irq);
}

static void
bnx2_netif_stop(struct bnx2 *bp)
{
	bnx2_disable_int_sync(bp);
	if (netif_running(bp->dev)) {
		netif_poll_disable(bp->dev);
		netif_tx_disable(bp->dev);
		bp->dev->trans_start = jiffies;	/* prevent tx timeout */
	}
}

static void
bnx2_netif_start(struct bnx2 *bp)
{
	if (atomic_dec_and_test(&bp->intr_sem)) {
		if (netif_running(bp->dev)) {
			netif_wake_queue(bp->dev);
			netif_poll_enable(bp->dev);
			bnx2_enable_int(bp);
		}
	}
}

static void
bnx2_free_mem(struct bnx2 *bp)
{
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	int i;

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	for (i = 0; i < bp->ctx_pages; i++) {
		if (bp->ctx_blk[i]) {
			pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
					    bp->ctx_blk[i],
					    bp->ctx_blk_mapping[i]);
			bp->ctx_blk[i] = NULL;
		}
	}
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	if (bp->status_blk) {
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		pci_free_consistent(bp->pdev, bp->status_stats_size,
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				    bp->status_blk, bp->status_blk_mapping);
		bp->status_blk = NULL;
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		bp->stats_blk = NULL;
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	}
	if (bp->tx_desc_ring) {
		pci_free_consistent(bp->pdev,
				    sizeof(struct tx_bd) * TX_DESC_CNT,
				    bp->tx_desc_ring, bp->tx_desc_mapping);
		bp->tx_desc_ring = NULL;
	}
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	kfree(bp->tx_buf_ring);
	bp->tx_buf_ring = NULL;
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	for (i = 0; i < bp->rx_max_ring; i++) {
		if (bp->rx_desc_ring[i])
			pci_free_consistent(bp->pdev,
					    sizeof(struct rx_bd) * RX_DESC_CNT,
					    bp->rx_desc_ring[i],
					    bp->rx_desc_mapping[i]);
		bp->rx_desc_ring[i] = NULL;
	}
	vfree(bp->rx_buf_ring);
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	bp->rx_buf_ring = NULL;
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}

static int
bnx2_alloc_mem(struct bnx2 *bp)
{
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	int i, status_blk_size;
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	bp->tx_buf_ring = kzalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
				  GFP_KERNEL);
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	if (bp->tx_buf_ring == NULL)
		return -ENOMEM;

	bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
					        sizeof(struct tx_bd) *
						TX_DESC_CNT,
						&bp->tx_desc_mapping);
	if (bp->tx_desc_ring == NULL)
		goto alloc_mem_err;

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	bp->rx_buf_ring = vmalloc(sizeof(struct sw_bd) * RX_DESC_CNT *
				  bp->rx_max_ring);
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	if (bp->rx_buf_ring == NULL)
		goto alloc_mem_err;

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	memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT *
				   bp->rx_max_ring);

	for (i = 0; i < bp->rx_max_ring; i++) {
		bp->rx_desc_ring[i] =
			pci_alloc_consistent(bp->pdev,
					     sizeof(struct rx_bd) * RX_DESC_CNT,
					     &bp->rx_desc_mapping[i]);
		if (bp->rx_desc_ring[i] == NULL)
			goto alloc_mem_err;

	}
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	/* Combine status and statistics blocks into one allocation. */
	status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
	bp->status_stats_size = status_blk_size +
				sizeof(struct statistics_block);

	bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
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					      &bp->status_blk_mapping);
	if (bp->status_blk == NULL)
		goto alloc_mem_err;

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	memset(bp->status_blk, 0, bp->status_stats_size);
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524 525
	bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
				  status_blk_size);
526

527
	bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
528

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	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] = pci_alloc_consistent(bp->pdev,
						BCM_PAGE_SIZE,
						&bp->ctx_blk_mapping[i]);
			if (bp->ctx_blk[i] == NULL)
				goto alloc_mem_err;
		}
	}
541 542 543 544 545 546 547
	return 0;

alloc_mem_err:
	bnx2_free_mem(bp);
	return -ENOMEM;
}

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static void
bnx2_report_fw_link(struct bnx2 *bp)
{
	u32 fw_link_status = 0;

553 554 555
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return;

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	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;

591 592
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
593 594 595 596 597 598 599 600 601 602 603 604 605 606

			if (!(bmsr & BMSR_ANEGCOMPLETE) ||
			    bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
				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;

	REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
}

607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637
static void
bnx2_report_link(struct bnx2 *bp)
{
	if (bp->link_up) {
		netif_carrier_on(bp->dev);
		printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);

		printk("%d Mbps ", bp->line_speed);

		if (bp->duplex == DUPLEX_FULL)
			printk("full duplex");
		else
			printk("half duplex");

		if (bp->flow_ctrl) {
			if (bp->flow_ctrl & FLOW_CTRL_RX) {
				printk(", receive ");
				if (bp->flow_ctrl & FLOW_CTRL_TX)
					printk("& transmit ");
			}
			else {
				printk(", transmit ");
			}
			printk("flow control ON");
		}
		printk("\n");
	}
	else {
		netif_carrier_off(bp->dev);
		printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
	}
638 639

	bnx2_report_fw_link(bp);
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}

static void
bnx2_resolve_flow_ctrl(struct bnx2 *bp)
{
	u32 local_adv, remote_adv;

	bp->flow_ctrl = 0;
648
	if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
649 650 651 652 653 654 655 656 657 658 659 660
		(AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {

		if (bp->duplex == DUPLEX_FULL) {
			bp->flow_ctrl = bp->req_flow_ctrl;
		}
		return;
	}

	if (bp->duplex != DUPLEX_FULL) {
		return;
	}

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	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (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;
	}

673 674
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
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	if (bp->phy_flags & PHY_SERDES_FLAG) {
		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;
		}
	}
}

718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756
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;
}

757
static int
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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)
788 789 790 791 792 793
{
	u32 bmcr, local_adv, remote_adv, common;

	bp->link_up = 1;
	bp->line_speed = SPEED_1000;

794
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
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	if (bmcr & BMCR_FULLDPLX) {
		bp->duplex = DUPLEX_FULL;
	}
	else {
		bp->duplex = DUPLEX_HALF;
	}

	if (!(bmcr & BMCR_ANENABLE)) {
		return 0;
	}

806 807
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
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	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;

828
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844
	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 {
845 846
			bnx2_read_phy(bp, bp->mii_adv, &local_adv);
			bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903

			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 int
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 |
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		BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
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		BNX2_EMAC_MODE_25G_MODE);
906 907

	if (bp->link_up) {
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		switch (bp->line_speed) {
			case SPEED_10:
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				if (CHIP_NUM(bp) != CHIP_NUM_5706) {
					val |= BNX2_EMAC_MODE_PORT_MII_10M;
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					break;
				}
				/* fall through */
			case SPEED_100:
				val |= BNX2_EMAC_MODE_PORT_MII;
				break;
			case SPEED_2500:
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				val |= BNX2_EMAC_MODE_25G_MODE;
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				/* fall through */
			case SPEED_1000:
				val |= BNX2_EMAC_MODE_PORT_GMII;
				break;
		}
925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955
	}
	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);

	return 0;
}

956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973
static void
bnx2_enable_bmsr1(struct bnx2 *bp)
{
	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (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 & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
}

974 975 976 977 978 979 980 981 982 983 984 985
static int
bnx2_test_and_enable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 1;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return 0;

	if (bp->autoneg & AUTONEG_SPEED)
		bp->advertising |= ADVERTISED_2500baseX_Full;

986 987 988
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

989 990 991 992 993 994 995
	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;
	}

996 997 998 999
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011
	return ret;
}

static int
bnx2_test_and_disable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 0;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return 0;

1012 1013 1014
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1015 1016 1017 1018 1019 1020 1021
	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;
	}

1022 1023 1024 1025
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036
	return ret;
}

static void
bnx2_enable_forced_2g5(struct bnx2 *bp)
{
	u32 bmcr;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return;

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	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		u32 val;

		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_SERDES_DIG);
		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);
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);

	} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
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		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr |= BCM5708S_BMCR_FORCE_2500;
	}

	if (bp->autoneg & AUTONEG_SPEED) {
		bmcr &= ~BMCR_ANENABLE;
		if (bp->req_duplex == DUPLEX_FULL)
			bmcr |= BMCR_FULLDPLX;
	}
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
}

static void
bnx2_disable_forced_2g5(struct bnx2 *bp)
{
	u32 bmcr;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return;

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	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		u32 val;

		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_SERDES_DIG);
		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);
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);

	} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1086 1087 1088 1089 1090 1091 1092 1093 1094
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr &= ~BCM5708S_BMCR_FORCE_2500;
	}

	if (bp->autoneg & AUTONEG_SPEED)
		bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
}

1095 1096 1097 1098 1099 1100
static int
bnx2_set_link(struct bnx2 *bp)
{
	u32 bmsr;
	u8 link_up;

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	if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1102 1103 1104 1105
		bp->link_up = 1;
		return 0;
	}

1106 1107 1108
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return 0;

1109 1110
	link_up = bp->link_up;

1111 1112 1113 1114
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130

	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {
		u32 val;

		val = REG_RD(bp, BNX2_EMAC_STATUS);
		if (val & BNX2_EMAC_STATUS_LINK)
			bmsr |= BMSR_LSTATUS;
		else
			bmsr &= ~BMSR_LSTATUS;
	}

	if (bmsr & BMSR_LSTATUS) {
		bp->link_up = 1;

		if (bp->phy_flags & PHY_SERDES_FLAG) {
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			if (CHIP_NUM(bp) == CHIP_NUM_5706)
				bnx2_5706s_linkup(bp);
			else if (CHIP_NUM(bp) == CHIP_NUM_5708)
				bnx2_5708s_linkup(bp);
1135 1136
			else if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bnx2_5709s_linkup(bp);
1137 1138 1139 1140 1141 1142 1143 1144
		}
		else {
			bnx2_copper_linkup(bp);
		}
		bnx2_resolve_flow_ctrl(bp);
	}
	else {
		if ((bp->phy_flags & PHY_SERDES_FLAG) &&
1145 1146
		    (bp->autoneg & AUTONEG_SPEED))
			bnx2_disable_forced_2g5(bp);
1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166

		bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
		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;

1167
        bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1168 1169 1170 1171 1172

#define PHY_RESET_MAX_WAIT 100
	for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
		udelay(10);

1173
		bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218
		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 & PHY_SERDES_FLAG) {
			adv = ADVERTISE_1000XPAUSE;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
		if (bp->phy_flags & PHY_SERDES_FLAG) {
			adv = ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_ASYM;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
		if (bp->phy_flags & PHY_SERDES_FLAG) {
			adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
		}
	}
	return adv;
}

1219 1220
static int bnx2_fw_sync(struct bnx2 *, u32, int);

1221
static int
1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279
bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
{
	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_1000XPSE_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;

	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB_ARG0, speed_arg);

	spin_unlock_bh(&bp->phy_lock);
	bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
	spin_lock_bh(&bp->phy_lock);

	return 0;
}

static int
bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1280
{
1281
	u32 adv, bmcr;
1282 1283
	u32 new_adv = 0;

1284 1285 1286
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return (bnx2_setup_remote_phy(bp, port));

1287 1288
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		u32 new_bmcr;
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		int force_link_down = 0;

1291 1292 1293 1294 1295 1296 1297
		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;
		}
1298
		bnx2_read_phy(bp, bp->mii_adv, &adv);
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		adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);

1301
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1302
		new_bmcr = bmcr & ~BMCR_ANENABLE;
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		new_bmcr |= BMCR_SPEED1000;
1304

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		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) {
1314 1315 1316 1317
			if (bp->req_line_speed == SPEED_2500)
				new_bmcr |= BCM5708S_BMCR_FORCE_2500;
			else
				new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
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		}

1320
		if (bp->req_duplex == DUPLEX_FULL) {
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			adv |= ADVERTISE_1000XFULL;
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			new_bmcr |= BMCR_FULLDPLX;
		}
		else {
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			adv |= ADVERTISE_1000XHALF;
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			new_bmcr &= ~BMCR_FULLDPLX;
		}
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		if ((new_bmcr != bmcr) || (force_link_down)) {
1329 1330
			/* Force a link down visible on the other side */
			if (bp->link_up) {
1331
				bnx2_write_phy(bp, bp->mii_adv, adv &
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					       ~(ADVERTISE_1000XFULL |
						 ADVERTISE_1000XHALF));
1334
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1335 1336 1337 1338
					BMCR_ANRESTART | BMCR_ANENABLE);

				bp->link_up = 0;
				netif_carrier_off(bp->dev);
1339
				bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
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				bnx2_report_link(bp);
1341
			}
1342 1343
			bnx2_write_phy(bp, bp->mii_adv, adv);
			bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1344 1345 1346
		} else {
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
1347 1348 1349 1350
		}
		return 0;
	}

1351
	bnx2_test_and_enable_2g5(bp);
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1353 1354 1355 1356 1357
	if (bp->advertising & ADVERTISED_1000baseT_Full)
		new_adv |= ADVERTISE_1000XFULL;

	new_adv |= bnx2_phy_get_pause_adv(bp);

1358 1359
	bnx2_read_phy(bp, bp->mii_adv, &adv);
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1360 1361 1362 1363 1364

	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) {
1365
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
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			spin_unlock_bh(&bp->phy_lock);
			msleep(20);
			spin_lock_bh(&bp->phy_lock);
1369 1370
		}

1371 1372
		bnx2_write_phy(bp, bp->mii_adv, new_adv);
		bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1373
			BMCR_ANENABLE);
1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384
		/* 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 = SERDES_AN_TIMEOUT;
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
1385 1386 1387
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1388 1389 1390 1391 1392 1393
	}

	return 0;
}

#define ETHTOOL_ALL_FIBRE_SPEED						\
1394 1395 1396
	(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) ?			\
		(ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
		(ADVERTISED_1000baseT_Full)
1397 1398 1399 1400 1401 1402 1403 1404

#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)
1405

1406 1407
#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)

1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
static void
bnx2_set_default_remote_link(struct bnx2 *bp)
{
	u32 link;

	if (bp->phy_port == PORT_TP)
		link = REG_RD_IND(bp, bp->shmem_base + BNX2_RPHY_COPPER_LINK);
	else
		link = REG_RD_IND(bp, bp->shmem_base + 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;
	}
}

1455 1456 1457
static void
bnx2_set_default_link(struct bnx2 *bp)
{
1458 1459 1460
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return bnx2_set_default_remote_link(bp);

1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478
	bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
	bp->req_line_speed = 0;
	if (bp->phy_flags & PHY_SERDES_FLAG) {
		u32 reg;

		bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;

		reg = REG_RD_IND(bp, bp->shmem_base + 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;
}

1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569
static void
bnx2_remote_phy_event(struct bnx2 *bp)
{
	u32 msg;
	u8 link_up = bp->link_up;
	u8 old_port;

	msg = REG_RD_IND(bp, bp->shmem_base + BNX2_LINK_STATUS);

	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;
		}

		spin_lock(&bp->phy_lock);
		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);

		spin_unlock(&bp->phy_lock);
	}
	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 = REG_RD_IND(bp, bp->shmem_base + 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:
			break;
	}
	return 0;
}

1570 1571 1572 1573 1574 1575
static int
bnx2_setup_copper_phy(struct bnx2 *bp)
{
	u32 bmcr;
	u32 new_bmcr;

1576
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1577 1578 1579 1580 1581 1582

	if (bp->autoneg & AUTONEG_SPEED) {
		u32 adv_reg, adv1000_reg;
		u32 new_adv_reg = 0;
		u32 new_adv1000_reg = 0;

1583
		bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599
		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;
1600

1601 1602 1603 1604 1605 1606 1607 1608
		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)) {

1609
			bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1610
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1611
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633
				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;

1634 1635
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1636

1637 1638
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
1639
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1640 1641 1642 1643
			spin_unlock_bh(&bp->phy_lock);
			msleep(50);
			spin_lock_bh(&bp->phy_lock);

1644 1645
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1646 1647
		}

1648
		bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659

		/* 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);
		}
1660 1661 1662
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1663 1664 1665 1666 1667
	}
	return 0;
}

static int
1668
bnx2_setup_phy(struct bnx2 *bp, u8 port)
1669 1670 1671 1672 1673
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

	if (bp->phy_flags & PHY_SERDES_FLAG) {
1674
		return (bnx2_setup_serdes_phy(bp, port));
1675 1676 1677 1678 1679 1680
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729
static int
bnx2_init_5709s_phy(struct bnx2 *bp)
{
	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);
	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 & PHY_2_5G_CAPABLE_FLAG)
		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;
}

1730
static int
M
Michael Chan 已提交
1731 1732 1733 1734
bnx2_init_5708s_phy(struct bnx2 *bp)
{
	u32 val;

1735 1736 1737 1738
	bnx2_reset_phy(bp);

	bp->mii_up1 = BCM5708S_UP1;

M
Michael Chan 已提交
1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757
	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 & PHY_2_5G_CAPABLE_FLAG) {
		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) ||
M
Michael Chan 已提交
1758 1759
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
1760 1761 1762 1763 1764 1765 1766 1767 1768
		/* 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);
	}

1769
	val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
M
Michael Chan 已提交
1770 1771 1772 1773 1774
	      BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;

	if (val) {
		u32 is_backplane;

1775
		is_backplane = REG_RD_IND(bp, bp->shmem_base +
M
Michael Chan 已提交
1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789
					  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)
1790
{
1791 1792
	bnx2_reset_phy(bp);

1793 1794
	bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;

M
Michael Chan 已提交
1795 1796
	if (CHIP_NUM(bp) == CHIP_NUM_5706)
        	REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827

	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)
{
M
Michael Chan 已提交
1828 1829
	u32 val;

1830 1831
	bnx2_reset_phy(bp);

1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842
	if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
		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);
	}

1843 1844 1845 1846 1847 1848 1849 1850
	if (bp->phy_flags & PHY_DIS_EARLY_DAC_FLAG) {
		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);
	}

1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868
	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);
	}

M
Michael Chan 已提交
1869 1870 1871 1872
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885
	return 0;
}


static int
bnx2_init_phy(struct bnx2 *bp)
{
	u32 val;
	int rc = 0;

	bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
	bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;

1886 1887
	bp->mii_bmcr = MII_BMCR;
	bp->mii_bmsr = MII_BMSR;
1888
	bp->mii_bmsr1 = MII_BMSR;
1889 1890 1891
	bp->mii_adv = MII_ADVERTISE;
	bp->mii_lpa = MII_LPA;

1892 1893
        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

1894 1895 1896
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		goto setup_phy;

1897 1898 1899 1900 1901 1902
	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 & PHY_SERDES_FLAG) {
M
Michael Chan 已提交
1903 1904 1905 1906
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			rc = bnx2_init_5706s_phy(bp);
		else if (CHIP_NUM(bp) == CHIP_NUM_5708)
			rc = bnx2_init_5708s_phy(bp);
1907 1908
		else if (CHIP_NUM(bp) == CHIP_NUM_5709)
			rc = bnx2_init_5709s_phy(bp);
1909 1910 1911 1912 1913
	}
	else {
		rc = bnx2_init_copper_phy(bp);
	}

1914 1915 1916
setup_phy:
	if (!rc)
		rc = bnx2_setup_phy(bp, bp->phy_port);
1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933

	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;
}

M
Michael Chan 已提交
1934 1935 1936 1937 1938 1939 1940 1941 1942
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);
1943
	rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
M
Michael Chan 已提交
1944 1945 1946 1947 1948 1949 1950 1951
			    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;
M
Michael Chan 已提交
1952
		msleep(100);
M
Michael Chan 已提交
1953 1954 1955 1956 1957
	}

	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 |
M
Michael Chan 已提交
1958
		      BNX2_EMAC_MODE_25G_MODE);
M
Michael Chan 已提交
1959 1960 1961 1962 1963 1964 1965

	mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
	REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
	bp->link_up = 1;
	return 0;
}

1966
static int
1967
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
1968 1969 1970 1971 1972 1973 1974
{
	int i;
	u32 val;

	bp->fw_wr_seq++;
	msg_data |= bp->fw_wr_seq;

1975
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
1976 1977

	/* wait for an acknowledgement. */
1978 1979
	for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
		msleep(10);
1980

1981
		val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
1982 1983 1984 1985

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
1986 1987
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
1988 1989

	/* If we timed out, inform the firmware that this is the case. */
1990 1991 1992 1993
	if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
		if (!silent)
			printk(KERN_ERR PFX "fw sync timeout, reset code = "
					    "%x\n", msg_data);
1994 1995 1996 1997

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

1998
		REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
1999 2000 2001 2002

		return -EBUSY;
	}

2003 2004 2005
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

2006 2007 2008
	return 0;
}

M
Michael Chan 已提交
2009 2010 2011 2012 2013 2014 2015 2016 2017
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);
2018 2019 2020 2021 2022 2023 2024 2025 2026
	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;

M
Michael Chan 已提交
2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051
	for (i = 0; i < bp->ctx_pages; i++) {
		int j;

		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;
}

2052 2053 2054 2055 2056 2057 2058 2059
static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;
2060
		int i;
2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080

		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;
		}

2081 2082 2083
		for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
			vcid_addr += (i << PHY_CTX_SHIFT);
			pcid_addr += (i << PHY_CTX_SHIFT);
2084

2085 2086
			REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2087

2088 2089 2090 2091 2092 2093 2094
			/* Zero out the context. */
			for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
				CTX_WR(bp, 0x00, offset, 0);

			REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
		}
2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149
	}
}

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) {
		printk(KERN_ERR PFX "Failed to allocate memory in "
				    "bnx2_alloc_bad_rbuf\n");
		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 = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
	while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
		REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);

		val = 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 = 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;

		REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
	}
	kfree(good_mbuf);
	return 0;
}

static void
2150
bnx2_set_mac_addr(struct bnx2 *bp)
2151 2152 2153 2154 2155 2156 2157 2158
{
	u32 val;
	u8 *mac_addr = bp->dev->dev_addr;

	val = (mac_addr[0] << 8) | mac_addr[1];

	REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);

2159
	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170
		(mac_addr[4] << 8) | mac_addr[5];

	REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
}

static inline int
bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
{
	struct sk_buff *skb;
	struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
	dma_addr_t mapping;
2171
	struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2172 2173
	unsigned long align;

2174
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2175 2176 2177 2178
	if (skb == NULL) {
		return -ENOMEM;
	}

M
Michael Chan 已提交
2179 2180
	if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
		skb_reserve(skb, BNX2_RX_ALIGN - align);
2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195

	mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
		PCI_DMA_FROMDEVICE);

	rx_buf->skb = skb;
	pci_unmap_addr_set(rx_buf, mapping, mapping);

	rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
	rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;

	bp->rx_prod_bseq += bp->rx_buf_use_size;

	return 0;
}

2196 2197
static int
bnx2_phy_event_is_set(struct bnx2 *bp, u32 event)
2198
{
2199
	struct status_block *sblk = bp->status_blk;
2200
	u32 new_link_state, old_link_state;
2201
	int is_set = 1;
2202

2203 2204
	new_link_state = sblk->status_attn_bits & event;
	old_link_state = sblk->status_attn_bits_ack & event;
2205
	if (new_link_state != old_link_state) {
2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220
		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)
{
	if (bnx2_phy_event_is_set(bp, STATUS_ATTN_BITS_LINK_STATE)) {
		spin_lock(&bp->phy_lock);
2221
		bnx2_set_link(bp);
2222
		spin_unlock(&bp->phy_lock);
2223
	}
2224 2225 2226
	if (bnx2_phy_event_is_set(bp, STATUS_ATTN_BITS_TIMER_ABORT))
		bnx2_set_remote_link(bp);

2227 2228 2229 2230 2231
}

static void
bnx2_tx_int(struct bnx2 *bp)
{
M
Michael Chan 已提交
2232
	struct status_block *sblk = bp->status_blk;
2233 2234 2235
	u16 hw_cons, sw_cons, sw_ring_cons;
	int tx_free_bd = 0;

M
Michael Chan 已提交
2236
	hw_cons = bp->hw_tx_cons = sblk->status_tx_quick_consumer_index0;
2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250
	if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
		hw_cons++;
	}
	sw_cons = bp->tx_cons;

	while (sw_cons != hw_cons) {
		struct sw_bd *tx_buf;
		struct sk_buff *skb;
		int i, last;

		sw_ring_cons = TX_RING_IDX(sw_cons);

		tx_buf = &bp->tx_buf_ring[sw_ring_cons];
		skb = tx_buf->skb;
A
Arjan van de Ven 已提交
2251

2252
		/* partial BD completions possible with TSO packets */
H
Herbert Xu 已提交
2253
		if (skb_is_gso(skb)) {
2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266
			u16 last_idx, last_ring_idx;

			last_idx = sw_cons +
				skb_shinfo(skb)->nr_frags + 1;
			last_ring_idx = sw_ring_cons +
				skb_shinfo(skb)->nr_frags + 1;
			if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
				last_idx++;
			}
			if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
				break;
			}
		}
A
Arjan van de Ven 已提交
2267

2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288
		pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
			skb_headlen(skb), PCI_DMA_TODEVICE);

		tx_buf->skb = NULL;
		last = skb_shinfo(skb)->nr_frags;

		for (i = 0; i < last; i++) {
			sw_cons = NEXT_TX_BD(sw_cons);

			pci_unmap_page(bp->pdev,
				pci_unmap_addr(
					&bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
				       	mapping),
				skb_shinfo(skb)->frags[i].size,
				PCI_DMA_TODEVICE);
		}

		sw_cons = NEXT_TX_BD(sw_cons);

		tx_free_bd += last + 1;

2289
		dev_kfree_skb(skb);
2290

M
Michael Chan 已提交
2291 2292 2293
		hw_cons = bp->hw_tx_cons =
			sblk->status_tx_quick_consumer_index0;

2294 2295 2296 2297 2298
		if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
			hw_cons++;
		}
	}

M
Michael Chan 已提交
2299
	bp->tx_cons = sw_cons;
M
Michael Chan 已提交
2300 2301 2302 2303 2304 2305
	/* Need to make the tx_cons update visible to bnx2_start_xmit()
	 * before checking for netif_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();
2306

M
Michael Chan 已提交
2307 2308 2309
	if (unlikely(netif_queue_stopped(bp->dev)) &&
		     (bnx2_tx_avail(bp) > bp->tx_wake_thresh)) {
		netif_tx_lock(bp->dev);
2310
		if ((netif_queue_stopped(bp->dev)) &&
M
Michael Chan 已提交
2311
		    (bnx2_tx_avail(bp) > bp->tx_wake_thresh))
2312
			netif_wake_queue(bp->dev);
M
Michael Chan 已提交
2313
		netif_tx_unlock(bp->dev);
2314 2315 2316 2317 2318 2319 2320
	}
}

static inline void
bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
	u16 cons, u16 prod)
{
2321 2322 2323 2324 2325
	struct sw_bd *cons_rx_buf, *prod_rx_buf;
	struct rx_bd *cons_bd, *prod_bd;

	cons_rx_buf = &bp->rx_buf_ring[cons];
	prod_rx_buf = &bp->rx_buf_ring[prod];
2326 2327 2328 2329 2330

	pci_dma_sync_single_for_device(bp->pdev,
		pci_unmap_addr(cons_rx_buf, mapping),
		bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);

2331
	bp->rx_prod_bseq += bp->rx_buf_use_size;
2332

2333
	prod_rx_buf->skb = skb;
2334

2335 2336
	if (cons == prod)
		return;
2337

2338 2339 2340
	pci_unmap_addr_set(prod_rx_buf, mapping,
			pci_unmap_addr(cons_rx_buf, mapping));

2341 2342
	cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2343 2344
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2345 2346 2347 2348 2349
}

static int
bnx2_rx_int(struct bnx2 *bp, int budget)
{
M
Michael Chan 已提交
2350
	struct status_block *sblk = bp->status_blk;
2351 2352 2353 2354
	u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
	struct l2_fhdr *rx_hdr;
	int rx_pkt = 0;

M
Michael Chan 已提交
2355
	hw_cons = bp->hw_rx_cons = sblk->status_rx_quick_consumer_index0;
2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367
	if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
		hw_cons++;
	}
	sw_cons = bp->rx_cons;
	sw_prod = bp->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;
2368
		u32 status;
2369 2370
		struct sw_bd *rx_buf;
		struct sk_buff *skb;
2371
		dma_addr_t dma_addr;
2372 2373 2374 2375 2376 2377

		sw_ring_cons = RX_RING_IDX(sw_cons);
		sw_ring_prod = RX_RING_IDX(sw_prod);

		rx_buf = &bp->rx_buf_ring[sw_ring_cons];
		skb = rx_buf->skb;
2378 2379 2380 2381 2382 2383

		rx_buf->skb = NULL;

		dma_addr = pci_unmap_addr(rx_buf, mapping);

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2384 2385 2386 2387 2388
			bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);

		rx_hdr = (struct l2_fhdr *) skb->data;
		len = rx_hdr->l2_fhdr_pkt_len - 4;

2389
		if ((status = rx_hdr->l2_fhdr_status) &
2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404
			(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 reuse_rx;
		}

		/* Since we don't have a jumbo ring, copy small packets
		 * if mtu > 1500
		 */
		if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
			struct sk_buff *new_skb;

2405
			new_skb = netdev_alloc_skb(bp->dev, len + 2);
2406 2407 2408 2409
			if (new_skb == NULL)
				goto reuse_rx;

			/* aligned copy */
2410 2411
			skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
				      new_skb->data, len + 2);
2412 2413 2414 2415 2416 2417 2418 2419 2420
			skb_reserve(new_skb, 2);
			skb_put(new_skb, len);

			bnx2_reuse_rx_skb(bp, skb,
				sw_ring_cons, sw_ring_prod);

			skb = new_skb;
		}
		else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
2421
			pci_unmap_single(bp->pdev, dma_addr,
2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436
				bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);

			skb_reserve(skb, bp->rx_offset);
			skb_put(skb, len);
		}
		else {
reuse_rx:
			bnx2_reuse_rx_skb(bp, skb,
				sw_ring_cons, sw_ring_prod);
			goto next_rx;
		}

		skb->protocol = eth_type_trans(skb, bp->dev);

		if ((len > (bp->dev->mtu + ETH_HLEN)) &&
A
Alexey Dobriyan 已提交
2437
			(ntohs(skb->protocol) != 0x8100)) {
2438

2439
			dev_kfree_skb(skb);
2440 2441 2442 2443 2444 2445 2446 2447 2448
			goto next_rx;

		}

		skb->ip_summed = CHECKSUM_NONE;
		if (bp->rx_csum &&
			(status & (L2_FHDR_STATUS_TCP_SEGMENT |
			L2_FHDR_STATUS_UDP_DATAGRAM))) {

2449 2450
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471
				skb->ip_summed = CHECKSUM_UNNECESSARY;
		}

#ifdef BCM_VLAN
		if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
			vlan_hwaccel_receive_skb(skb, bp->vlgrp,
				rx_hdr->l2_fhdr_vlan_tag);
		}
		else
#endif
			netif_receive_skb(skb);

		bp->dev->last_rx = jiffies;
		rx_pkt++;

next_rx:
		sw_cons = NEXT_RX_BD(sw_cons);
		sw_prod = NEXT_RX_BD(sw_prod);

		if ((rx_pkt == budget))
			break;
M
Michael Chan 已提交
2472 2473 2474 2475 2476 2477 2478 2479 2480

		/* Refresh hw_cons to see if there is new work */
		if (sw_cons == hw_cons) {
			hw_cons = bp->hw_rx_cons =
				sblk->status_rx_quick_consumer_index0;
			if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)
				hw_cons++;
			rmb();
		}
2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498
	}
	bp->rx_cons = sw_cons;
	bp->rx_prod = sw_prod;

	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);

	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->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
2499
bnx2_msi(int irq, void *dev_instance)
2500 2501
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2502
	struct bnx2 *bp = netdev_priv(dev);
2503

2504
	prefetch(bp->status_blk);
2505 2506 2507 2508 2509
	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. */
2510 2511
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2512

2513
	netif_rx_schedule(dev);
2514

2515
	return IRQ_HANDLED;
2516 2517
}

2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534
static irqreturn_t
bnx2_msi_1shot(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2 *bp = netdev_priv(dev);

	prefetch(bp->status_blk);

	/* Return here if interrupt is disabled. */
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;

	netif_rx_schedule(dev);

	return IRQ_HANDLED;
}

2535
static irqreturn_t
2536
bnx2_interrupt(int irq, void *dev_instance)
2537 2538
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2539
	struct bnx2 *bp = netdev_priv(dev);
2540 2541 2542 2543 2544 2545 2546

	/* 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.
	 */
2547
	if ((bp->status_blk->status_idx == bp->last_status_idx) &&
2548 2549
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2550
		return IRQ_NONE;
2551 2552 2553 2554 2555 2556

	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 shared and is disabled. */
2557 2558
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2559

2560
	netif_rx_schedule(dev);
2561

2562
	return IRQ_HANDLED;
2563 2564
}

2565 2566
#define STATUS_ATTN_EVENTS	(STATUS_ATTN_BITS_LINK_STATE | \
				 STATUS_ATTN_BITS_TIMER_ABORT)
2567

M
Michael Chan 已提交
2568 2569 2570 2571 2572 2573 2574 2575 2576
static inline int
bnx2_has_work(struct bnx2 *bp)
{
	struct status_block *sblk = bp->status_blk;

	if ((sblk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) ||
	    (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons))
		return 1;

2577 2578
	if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
M
Michael Chan 已提交
2579 2580 2581 2582 2583
		return 1;

	return 0;
}

2584 2585 2586
static int
bnx2_poll(struct net_device *dev, int *budget)
{
M
Michael Chan 已提交
2587
	struct bnx2 *bp = netdev_priv(dev);
2588 2589 2590
	struct status_block *sblk = bp->status_blk;
	u32 status_attn_bits = sblk->status_attn_bits;
	u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
2591

2592 2593
	if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
2594 2595

		bnx2_phy_int(bp);
M
Michael Chan 已提交
2596 2597 2598 2599 2600 2601 2602

		/* 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);
2603 2604
	}

M
Michael Chan 已提交
2605
	if (bp->status_blk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)
2606 2607
		bnx2_tx_int(bp);

M
Michael Chan 已提交
2608
	if (bp->status_blk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) {
2609 2610 2611 2612 2613
		int orig_budget = *budget;
		int work_done;

		if (orig_budget > dev->quota)
			orig_budget = dev->quota;
2614

2615 2616 2617 2618
		work_done = bnx2_rx_int(bp, orig_budget);
		*budget -= work_done;
		dev->quota -= work_done;
	}
2619

M
Michael Chan 已提交
2620 2621 2622 2623
	bp->last_status_idx = bp->status_blk->status_idx;
	rmb();

	if (!bnx2_has_work(bp)) {
2624
		netif_rx_complete(dev);
2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635
		if (likely(bp->flags & USING_MSI_FLAG)) {
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
			       bp->last_status_idx);
			return 0;
		}
		REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
		       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
		       bp->last_status_idx);

2636
		REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2637 2638
		       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
		       bp->last_status_idx);
2639 2640 2641 2642 2643 2644
		return 0;
	}

	return 1;
}

H
Herbert Xu 已提交
2645
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
2646 2647 2648 2649 2650
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
2651
	struct bnx2 *bp = netdev_priv(dev);
2652 2653 2654
	u32 rx_mode, sort_mode;
	int i;

2655
	spin_lock_bh(&bp->phy_lock);
2656 2657 2658 2659 2660

	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;
#ifdef BCM_VLAN
M
Michael Chan 已提交
2661
	if (!bp->vlgrp && !(bp->flags & ASF_ENABLE_FLAG))
2662 2663
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
M
Michael Chan 已提交
2664 2665
	if (!(bp->flags & ASF_ENABLE_FLAG))
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
2666 2667 2668 2669
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
M
Michael Chan 已提交
2670 2671
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716
	}
	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). */
		struct dev_mc_list *mclist;
		u32 mc_filter[NUM_MC_HASH_REGISTERS];
		u32 regidx;
		u32 bit;
		u32 crc;

		memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);

		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
		     i++, mclist = mclist->next) {

			crc = ether_crc_le(ETH_ALEN, mclist->dmi_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 (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);

2717
	spin_unlock_bh(&bp->phy_lock);
2718 2719
}

2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805
#define FW_BUF_SIZE	0x8000

static int
bnx2_gunzip_init(struct bnx2 *bp)
{
	if ((bp->gunzip_buf = vmalloc(FW_BUF_SIZE)) == NULL)
		goto gunzip_nomem1;

	if ((bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL)) == NULL)
		goto gunzip_nomem2;

	bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
	if (bp->strm->workspace == NULL)
		goto gunzip_nomem3;

	return 0;

gunzip_nomem3:
	kfree(bp->strm);
	bp->strm = NULL;

gunzip_nomem2:
	vfree(bp->gunzip_buf);
	bp->gunzip_buf = NULL;

gunzip_nomem1:
	printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for "
			    "uncompression.\n", bp->dev->name);
	return -ENOMEM;
}

static void
bnx2_gunzip_end(struct bnx2 *bp)
{
	kfree(bp->strm->workspace);

	kfree(bp->strm);
	bp->strm = NULL;

	if (bp->gunzip_buf) {
		vfree(bp->gunzip_buf);
		bp->gunzip_buf = NULL;
	}
}

static int
bnx2_gunzip(struct bnx2 *bp, u8 *zbuf, int len, void **outbuf, int *outlen)
{
	int n, rc;

	/* check gzip header */
	if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
		return -EINVAL;

	n = 10;

#define FNAME	0x8
	if (zbuf[3] & FNAME)
		while ((zbuf[n++] != 0) && (n < len));

	bp->strm->next_in = zbuf + n;
	bp->strm->avail_in = len - n;
	bp->strm->next_out = bp->gunzip_buf;
	bp->strm->avail_out = FW_BUF_SIZE;

	rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
	if (rc != Z_OK)
		return rc;

	rc = zlib_inflate(bp->strm, Z_FINISH);

	*outlen = FW_BUF_SIZE - bp->strm->avail_out;
	*outbuf = bp->gunzip_buf;

	if ((rc != Z_OK) && (rc != Z_STREAM_END))
		printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
		       bp->dev->name, bp->strm->msg);

	zlib_inflateEnd(bp->strm);

	if (rc == Z_STREAM_END)
		return 0;

	return rc;
}

2806 2807 2808 2809 2810 2811 2812 2813 2814
static void
load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
	u32 rv2p_proc)
{
	int i;
	u32 val;


	for (i = 0; i < rv2p_code_len; i += 8) {
2815
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, cpu_to_le32(*rv2p_code));
2816
		rv2p_code++;
2817
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, cpu_to_le32(*rv2p_code));
2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838
		rv2p_code++;

		if (rv2p_proc == RV2P_PROC1) {
			val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
			REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
		}
		else {
			val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
			REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, 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);
	}
}

2839
static int
2840 2841 2842 2843
load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
{
	u32 offset;
	u32 val;
2844
	int rc;
2845 2846 2847 2848 2849 2850 2851 2852 2853

	/* Halt the CPU. */
	val = REG_RD_IND(bp, cpu_reg->mode);
	val |= cpu_reg->mode_value_halt;
	REG_WR_IND(bp, cpu_reg->mode, val);
	REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);

	/* Load the Text area. */
	offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865
	if (fw->gz_text) {
		u32 text_len;
		void *text;

		rc = bnx2_gunzip(bp, fw->gz_text, fw->gz_text_len, &text,
				 &text_len);
		if (rc)
			return rc;

		fw->text = text;
	}
	if (fw->gz_text) {
2866 2867 2868
		int j;

		for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
2869
			REG_WR_IND(bp, offset, cpu_to_le32(fw->text[j]));
2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922
	        }
	}

	/* Load the Data area. */
	offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
	if (fw->data) {
		int j;

		for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
			REG_WR_IND(bp, offset, fw->data[j]);
		}
	}

	/* Load the SBSS area. */
	offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
	if (fw->sbss) {
		int j;

		for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
			REG_WR_IND(bp, offset, fw->sbss[j]);
		}
	}

	/* Load the BSS area. */
	offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
	if (fw->bss) {
		int j;

		for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
			REG_WR_IND(bp, offset, fw->bss[j]);
		}
	}

	/* Load the Read-Only area. */
	offset = cpu_reg->spad_base +
		(fw->rodata_addr - cpu_reg->mips_view_base);
	if (fw->rodata) {
		int j;

		for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
			REG_WR_IND(bp, offset, fw->rodata[j]);
		}
	}

	/* Clear the pre-fetch instruction. */
	REG_WR_IND(bp, cpu_reg->inst, 0);
	REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);

	/* Start the CPU. */
	val = REG_RD_IND(bp, cpu_reg->mode);
	val &= ~cpu_reg->mode_value_halt;
	REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
	REG_WR_IND(bp, cpu_reg->mode, val);
2923 2924

	return 0;
2925 2926
}

2927
static int
2928 2929 2930
bnx2_init_cpus(struct bnx2 *bp)
{
	struct cpu_reg cpu_reg;
2931
	struct fw_info *fw;
2932 2933 2934 2935 2936 2937
	int rc = 0;
	void *text;
	u32 text_len;

	if ((rc = bnx2_gunzip_init(bp)) != 0)
		return rc;
2938 2939

	/* Initialize the RV2P processor. */
2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952
	rc = bnx2_gunzip(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), &text,
			 &text_len);
	if (rc)
		goto init_cpu_err;

	load_rv2p_fw(bp, text, text_len, RV2P_PROC1);

	rc = bnx2_gunzip(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), &text,
			 &text_len);
	if (rc)
		goto init_cpu_err;

	load_rv2p_fw(bp, text, text_len, RV2P_PROC2);
2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966

	/* Initialize the RX Processor. */
	cpu_reg.mode = BNX2_RXP_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_RXP_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_RXP_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
2967

M
Michael Chan 已提交
2968 2969 2970 2971
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_rxp_fw_09;
	else
		fw = &bnx2_rxp_fw_06;
2972

2973
	rc = load_cpu_fw(bp, &cpu_reg, fw);
2974 2975 2976
	if (rc)
		goto init_cpu_err;

2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989
	/* Initialize the TX Processor. */
	cpu_reg.mode = BNX2_TXP_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_TXP_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_TXP_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
2990

M
Michael Chan 已提交
2991 2992 2993 2994
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_txp_fw_09;
	else
		fw = &bnx2_txp_fw_06;
2995

2996
	rc = load_cpu_fw(bp, &cpu_reg, fw);
2997 2998 2999
	if (rc)
		goto init_cpu_err;

3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012
	/* Initialize the TX Patch-up Processor. */
	cpu_reg.mode = BNX2_TPAT_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_TPAT_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
3013

M
Michael Chan 已提交
3014 3015 3016 3017
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_tpat_fw_09;
	else
		fw = &bnx2_tpat_fw_06;
3018

3019
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3020 3021 3022
	if (rc)
		goto init_cpu_err;

3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035
	/* Initialize the Completion Processor. */
	cpu_reg.mode = BNX2_COM_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_COM_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_COM_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
3036

M
Michael Chan 已提交
3037 3038 3039 3040
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_com_fw_09;
	else
		fw = &bnx2_com_fw_06;
3041

3042
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3043 3044 3045
	if (rc)
		goto init_cpu_err;

M
Michael Chan 已提交
3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058
	/* Initialize the Command Processor. */
	cpu_reg.mode = BNX2_CP_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_CP_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_CP_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
3059

M
Michael Chan 已提交
3060 3061
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		fw = &bnx2_cp_fw_09;
3062

A
Adrian Bunk 已提交
3063
		rc = load_cpu_fw(bp, &cpu_reg, fw);
M
Michael Chan 已提交
3064 3065 3066
		if (rc)
			goto init_cpu_err;
	}
3067 3068 3069
init_cpu_err:
	bnx2_gunzip_end(bp);
	return rc;
3070 3071 3072
}

static int
3073
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3074 3075 3076 3077 3078 3079
{
	u16 pmcsr;

	pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);

	switch (state) {
3080
	case PCI_D0: {
3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100
		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;
	}
3101
	case PCI_D3hot: {
3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167
		int i;
		u32 val, wol_msg;

		if (bp->wol) {
			u32 advertising;
			u8 autoneg;

			autoneg = bp->autoneg;
			advertising = bp->advertising;

			bp->autoneg = AUTONEG_SPEED;
			bp->advertising = ADVERTISED_10baseT_Half |
				ADVERTISED_10baseT_Full |
				ADVERTISED_100baseT_Half |
				ADVERTISED_100baseT_Full |
				ADVERTISED_Autoneg;

			bnx2_setup_copper_phy(bp);

			bp->autoneg = autoneg;
			bp->advertising = advertising;

			bnx2_set_mac_addr(bp);

			val = REG_RD(bp, BNX2_EMAC_MODE);

			/* Enable port mode. */
			val &= ~BNX2_EMAC_MODE_PORT;
			val |= BNX2_EMAC_MODE_PORT_MII |
			       BNX2_EMAC_MODE_MPKT_RCVD |
			       BNX2_EMAC_MODE_ACPI_RCVD |
			       BNX2_EMAC_MODE_MPKT;

			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;
		}

M
Michael Chan 已提交
3168 3169
		if (!(bp->flags & NO_WOL_FLAG))
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290

		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->buffered) {
		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. */
3291
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3292 3293 3294 3295 3296 3297 3298 3299 3300 3301
	       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. */
3302
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454
		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->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. */
	if (bp->flash_info->buffered) {
		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) {
			val = REG_RD(bp, BNX2_NVM_READ);

			val = be32_to_cpu(val);
			memcpy(ret_val, &val, 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, 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. */
	if (bp->flash_info->buffered) {
		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);
	val32 = cpu_to_be32(val32);

	/* Write the data. */
	REG_WR(bp, BNX2_NVM_WRITE, 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;
	struct flash_spec *flash;

	/* Determine the selected interface. */
	val = REG_RD(bp, BNX2_NVM_CFG1);

	entry_count = sizeof(flash_table) / sizeof(struct flash_spec);

	rc = 0;
	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
3455 3456 3457
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3458 3459 3460 3461 3462 3463
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
3464
		u32 mask;
3465 3466
		/* Not yet been reconfigured */

3467 3468 3469 3470 3471
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

3472 3473 3474
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

3475
			if ((val & mask) == (flash->strapping & mask)) {
3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501
				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;
3502
		printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
M
Michael Chan 已提交
3503
		return -ENODEV;
3504 3505
	}

M
Michael Chan 已提交
3506 3507 3508 3509 3510 3511 3512
	val = REG_RD_IND(bp, bp->shmem_base + 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;

3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630
	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;
3631
	u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
3632 3633 3634 3635 3636 3637 3638 3639 3640 3641
	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;
M
Michael Chan 已提交
3642 3643 3644
		len32 += align_start;
		if (len32 < 4)
			len32 = 4;
3645 3646 3647 3648 3649
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
M
Michael Chan 已提交
3650 3651 3652 3653
		align_end = 4 - (len32 & 3);
		len32 += align_end;
		if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
			return rc;
3654 3655 3656
	}

	if (align_start || align_end) {
3657 3658
		align_buf = kmalloc(len32, GFP_KERNEL);
		if (align_buf == NULL)
3659 3660
			return -ENOMEM;
		if (align_start) {
3661
			memcpy(align_buf, start, 4);
3662 3663
		}
		if (align_end) {
3664
			memcpy(align_buf + len32 - 4, end, 4);
3665
		}
3666 3667
		memcpy(align_buf + align_start, data_buf, buf_size);
		buf = align_buf;
3668 3669
	}

3670 3671 3672 3673 3674 3675 3676 3677
	if (bp->flash_info->buffered == 0) {
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691
	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 */
3692
		data_end = (page_end > offset32 + len32) ?
3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712
			(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->buffered == 0) {
			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,
3713 3714
					page_start + j,
					&flash_buffer[j],
3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731
					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->buffered == 0) {
M
Michael Chan 已提交
3732 3733 3734 3735 3736 3737 3738
			/* 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);

3739 3740
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
3741

3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752
				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 */
3753
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774
			if ((addr == page_end - 4) ||
				((bp->flash_info->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->buffered == 0) {
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
3775

3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800
				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:
3801 3802
	kfree(flash_buffer);
	kfree(align_buf);
3803 3804 3805
	return rc;
}

3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835
static void
bnx2_init_remote_phy(struct bnx2 *bp)
{
	u32 val;

	bp->phy_flags &= ~REMOTE_PHY_CAP_FLAG;
	if (!(bp->phy_flags & PHY_SERDES_FLAG))
		return;

	val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_CAP_MB);
	if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
		return;

	if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
		if (netif_running(bp->dev)) {
			val = BNX2_DRV_ACK_CAP_SIGNATURE |
			      BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
			REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_ACK_CAP_MB,
				   val);
		}
		bp->phy_flags |= REMOTE_PHY_CAP_FLAG;

		val = REG_RD_IND(bp, bp->shmem_base + BNX2_LINK_STATUS);
		if (val & BNX2_LINK_STATUS_SERDES_LINK)
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;
	}
}

3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851
static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;

	/* Wait for the current PCI transaction to complete before
	 * issuing a reset. */
	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);

3852 3853 3854
	/* 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);

3855 3856
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
3857
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
3858 3859 3860 3861 3862 3863
		   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);

3864 3865 3866 3867
	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);
3868

3869 3870
		val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3871

3872
		pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
3873

3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885
	} 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);

		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
		    (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
			current->state = TASK_UNINTERRUPTIBLE;
			schedule_timeout(HZ / 50);
3886 3887
		}

3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901
		/* 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)) {
			printk(KERN_ERR PFX "Chip reset did not complete\n");
			return -EBUSY;
		}
3902 3903 3904 3905 3906 3907 3908 3909 3910 3911
	}

	/* Make sure byte swapping is properly configured. */
	val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
	if (val != 0x01020304) {
		printk(KERN_ERR PFX "Chip not in correct endian mode\n");
		return -ENODEV;
	}

	/* Wait for the firmware to finish its initialization. */
3912 3913 3914
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
	if (rc)
		return rc;
3915

3916 3917 3918 3919 3920 3921
	spin_lock_bh(&bp->phy_lock);
	bnx2_init_remote_phy(bp);
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		bnx2_set_default_remote_link(bp);
	spin_unlock_bh(&bp->phy_lock);

3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937
	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);
	}

	return rc;
}

static int
bnx2_init_chip(struct bnx2 *bp)
{
	u32 val;
3938
	int rc;
3939 3940 3941 3942 3943 3944 3945

	/* 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
3946
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
3947
#endif
3948
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
3949 3950 3951 3952 3953
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

	val |= (0x2 << 20) | (1 << 11);

M
Michael Chan 已提交
3954
	if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz == 133))
3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984
		val |= (1 << 23);

	if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
	    (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
		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 & PCIX_FLAG) {
		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. */
3985 3986 3987 3988 3989
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rc = bnx2_init_5709_context(bp);
		if (rc)
			return rc;
	} else
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Michael Chan 已提交
3990
		bnx2_init_context(bp);
3991

3992 3993 3994
	if ((rc = bnx2_init_cpus(bp)) != 0)
		return rc;

3995 3996 3997 3998 3999 4000 4001
	bnx2_init_nvram(bp);

	bnx2_set_mac_addr(bp);

	val = REG_RD(bp, BNX2_MQ_CONFIG);
	val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
	val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4002 4003 4004
	if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
		val |= BNX2_MQ_CONFIG_HALT_DIS;

4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048
	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. */
	val = bp->dev->mtu + ETH_HLEN + 4;
	if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
		val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
	REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);

	bp->last_status_idx = 0;
	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);

4049
	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067
	       (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);

4068 4069 4070 4071
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
		REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
	else
		REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
4072 4073 4074
	REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */

	if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4075
		val = BNX2_HC_CONFIG_COLLECT_STATS;
4076
	else {
4077 4078
		val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
		      BNX2_HC_CONFIG_COLLECT_STATS;
4079 4080
	}

4081 4082 4083 4084 4085
	if (bp->flags & ONE_SHOT_MSI_FLAG)
		val |= BNX2_HC_CONFIG_ONE_SHOT;

	REG_WR(bp, BNX2_HC_CONFIG, val);

4086 4087 4088
	/* Clear internal stats counters. */
	REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);

4089
	REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4090

M
Michael Chan 已提交
4091 4092 4093 4094
	if (REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE) &
	    BNX2_PORT_FEATURE_ASF_ENABLED)
		bp->flags |= ASF_ENABLE_FLAG;

4095 4096 4097
	/* Initialize the receive filter. */
	bnx2_set_rx_mode(bp->dev);

M
Michael Chan 已提交
4098 4099 4100 4101 4102
	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);
	}
4103 4104
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
			  0);
4105 4106 4107 4108 4109 4110

	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
	REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);

	udelay(20);

M
Michael Chan 已提交
4111 4112
	bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);

4113
	return rc;
4114 4115
}

M
Michael Chan 已提交
4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143
static void
bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
{
	u32 val, offset0, offset1, offset2, offset3;

	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;
	CTX_WR(bp, GET_CID_ADDR(cid), offset0, val);

	val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
	CTX_WR(bp, GET_CID_ADDR(cid), offset1, val);

	val = (u64) bp->tx_desc_mapping >> 32;
	CTX_WR(bp, GET_CID_ADDR(cid), offset2, val);

	val = (u64) bp->tx_desc_mapping & 0xffffffff;
	CTX_WR(bp, GET_CID_ADDR(cid), offset3, val);
}
4144 4145 4146 4147 4148

static void
bnx2_init_tx_ring(struct bnx2 *bp)
{
	struct tx_bd *txbd;
M
Michael Chan 已提交
4149
	u32 cid;
4150

M
Michael Chan 已提交
4151 4152
	bp->tx_wake_thresh = bp->tx_ring_size / 2;

4153
	txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4154

4155 4156 4157 4158 4159
	txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
	txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;

	bp->tx_prod = 0;
	bp->tx_cons = 0;
M
Michael Chan 已提交
4160
	bp->hw_tx_cons = 0;
4161
	bp->tx_prod_bseq = 0;
4162

M
Michael Chan 已提交
4163 4164 4165
	cid = TX_CID;
	bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
	bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4166

M
Michael Chan 已提交
4167
	bnx2_init_tx_context(bp, cid);
4168 4169 4170 4171 4172 4173 4174
}

static void
bnx2_init_rx_ring(struct bnx2 *bp)
{
	struct rx_bd *rxbd;
	int i;
4175
	u16 prod, ring_prod;
4176 4177 4178 4179
	u32 val;

	/* 8 for CRC and VLAN */
	bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
M
Michael Chan 已提交
4180 4181
	/* hw alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4182 4183 4184

	ring_prod = prod = bp->rx_prod = 0;
	bp->rx_cons = 0;
M
Michael Chan 已提交
4185
	bp->hw_rx_cons = 0;
4186
	bp->rx_prod_bseq = 0;
4187

4188 4189
	for (i = 0; i < bp->rx_max_ring; i++) {
		int j;
4190

4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203
		rxbd = &bp->rx_desc_ring[i][0];
		for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
			rxbd->rx_bd_len = bp->rx_buf_use_size;
			rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
		}
		if (i == (bp->rx_max_ring - 1))
			j = 0;
		else
			j = i + 1;
		rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping[j] >> 32;
		rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping[j] &
				       0xffffffff;
	}
4204 4205 4206 4207 4208 4209

	val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
	val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
	val |= 0x02 << 8;
	CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);

4210
	val = (u64) bp->rx_desc_mapping[0] >> 32;
4211 4212
	CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);

4213
	val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4214 4215
	CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);

4216
	for (i = 0; i < bp->rx_ring_size; i++) {
4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229
		if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
			break;
		}
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_RING_IDX(prod);
	}
	bp->rx_prod = prod;

	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);

	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
}

4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252
static void
bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
{
	u32 num_rings, max;

	bp->rx_ring_size = size;
	num_rings = 1;
	while (size > MAX_RX_DESC_CNT) {
		size -= MAX_RX_DESC_CNT;
		num_rings++;
	}
	/* round to next power of 2 */
	max = MAX_RX_RINGS;
	while ((max & num_rings) == 0)
		max >>= 1;

	if (num_rings != max)
		max <<= 1;

	bp->rx_max_ring = max;
	bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
}

4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283
static void
bnx2_free_tx_skbs(struct bnx2 *bp)
{
	int i;

	if (bp->tx_buf_ring == NULL)
		return;

	for (i = 0; i < TX_DESC_CNT; ) {
		struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
		struct sk_buff *skb = tx_buf->skb;
		int j, last;

		if (skb == NULL) {
			i++;
			continue;
		}

		pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
			skb_headlen(skb), PCI_DMA_TODEVICE);

		tx_buf->skb = NULL;

		last = skb_shinfo(skb)->nr_frags;
		for (j = 0; j < last; j++) {
			tx_buf = &bp->tx_buf_ring[i + j + 1];
			pci_unmap_page(bp->pdev,
				pci_unmap_addr(tx_buf, mapping),
				skb_shinfo(skb)->frags[j].size,
				PCI_DMA_TODEVICE);
		}
4284
		dev_kfree_skb(skb);
4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297
		i += j + 1;
	}

}

static void
bnx2_free_rx_skbs(struct bnx2 *bp)
{
	int i;

	if (bp->rx_buf_ring == NULL)
		return;

4298
	for (i = 0; i < bp->rx_max_ring_idx; i++) {
4299 4300 4301
		struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
		struct sk_buff *skb = rx_buf->skb;

4302
		if (skb == NULL)
4303 4304 4305 4306 4307 4308 4309
			continue;

		pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
			bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);

		rx_buf->skb = NULL;

4310
		dev_kfree_skb(skb);
4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330
	}
}

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;

4331 4332 4333
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346
	bnx2_init_tx_ring(bp);
	bnx2_init_rx_ring(bp);
	return 0;
}

static int
bnx2_init_nic(struct bnx2 *bp)
{
	int rc;

	if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
		return rc;

M
Michael Chan 已提交
4347
	spin_lock_bh(&bp->phy_lock);
4348 4349
	bnx2_init_phy(bp);
	bnx2_set_link(bp);
4350
	spin_unlock_bh(&bp->phy_lock);
4351 4352 4353 4354 4355 4356 4357
	return 0;
}

static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
4358
	int i, is_5709;
4359
	static const struct {
4360 4361
		u16   offset;
		u16   flags;
4362
#define BNX2_FL_NOT_5709	1
4363 4364 4365 4366 4367 4368 4369
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389
		{ 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 },
4390 4391 4392 4393 4394 4395 4396

		{ 0x1000, 0, 0x00000000, 0x00000001 },
		{ 0x1004, 0, 0x00000000, 0x000f0001 },

		{ 0x1408, 0, 0x01c00800, 0x00000000 },
		{ 0x149c, 0, 0x8000ffff, 0x00000000 },
		{ 0x14a8, 0, 0x00000000, 0x000001ff },
M
Michael Chan 已提交
4397
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474
		{ 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;
4475 4476 4477 4478
	is_5709 = 0;
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		is_5709 = 1;

4479 4480
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;
4481 4482 4483 4484
		u16 flags = reg_tbl[i].flags;

		if (is_5709 && (flags & BNX2_FL_NOT_5709))
			continue;
4485 4486 4487 4488 4489

		offset = (u32) reg_tbl[i].offset;
		rw_mask = reg_tbl[i].rw_mask;
		ro_mask = reg_tbl[i].ro_mask;

4490
		save_val = readl(bp->regview + offset);
4491

4492
		writel(0, bp->regview + offset);
4493

4494
		val = readl(bp->regview + offset);
4495 4496 4497 4498 4499 4500 4501 4502
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

		if ((val & ro_mask) != (save_val & ro_mask)) {
			goto reg_test_err;
		}

4503
		writel(0xffffffff, bp->regview + offset);
4504

4505
		val = readl(bp->regview + offset);
4506 4507 4508 4509 4510 4511 4512 4513
		if ((val & rw_mask) != rw_mask) {
			goto reg_test_err;
		}

		if ((val & ro_mask) != (save_val & ro_mask)) {
			goto reg_test_err;
		}

4514
		writel(save_val, bp->regview + offset);
4515 4516 4517
		continue;

reg_test_err:
4518
		writel(save_val, bp->regview + offset);
4519 4520 4521 4522 4523 4524 4525 4526 4527
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
4528
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552
		0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
	int i;

	for (i = 0; i < sizeof(test_pattern) / 4; i++) {
		u32 offset;

		for (offset = 0; offset < size; offset += 4) {

			REG_WR_IND(bp, start + offset, test_pattern[i]);

			if (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;
4553
	static struct mem_entry {
4554 4555
		u32   offset;
		u32   len;
4556
	} mem_tbl_5706[] = {
4557
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
4558
		{ 0xa0000,  0x3000 },
4559 4560 4561 4562 4563
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
4564 4565 4566 4567 4568 4569 4570 4571
	},
	mem_tbl_5709[] = {
		{ 0x60000,  0x4000 },
		{ 0xa0000,  0x3000 },
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0xffffffff, 0    },
4572
	};
4573 4574 4575 4576 4577 4578
	struct mem_entry *mem_tbl;

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		mem_tbl = mem_tbl_5709;
	else
		mem_tbl = mem_tbl_5706;
4579 4580 4581 4582 4583 4584 4585

	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;
		}
	}
4586

4587 4588 4589
	return ret;
}

M
Michael Chan 已提交
4590 4591 4592
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

4593
static int
M
Michael Chan 已提交
4594
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
4595 4596 4597 4598
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
4599
	u16 rx_start_idx, rx_idx;
4600 4601 4602 4603 4604 4605
	dma_addr_t map;
	struct tx_bd *txbd;
	struct sw_bd *rx_buf;
	struct l2_fhdr *rx_hdr;
	int ret = -ENODEV;

M
Michael Chan 已提交
4606 4607 4608 4609 4610
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
M
Michael Chan 已提交
4611
		bp->loopback = PHY_LOOPBACK;
M
Michael Chan 已提交
4612 4613 4614 4615
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
4616 4617

	pkt_size = 1514;
4618
	skb = netdev_alloc_skb(bp->dev, pkt_size);
4619 4620
	if (!skb)
		return -ENOMEM;
4621
	packet = skb_put(skb, pkt_size);
M
Michael Chan 已提交
4622
	memcpy(packet, bp->dev->dev_addr, 6);
4623 4624 4625 4626 4627 4628 4629
	memset(packet + 6, 0x0, 8);
	for (i = 14; i < pkt_size; i++)
		packet[i] = (unsigned char) (i & 0xff);

	map = pci_map_single(bp->pdev, skb->data, pkt_size,
		PCI_DMA_TODEVICE);

M
Michael Chan 已提交
4630 4631 4632
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

4633 4634 4635 4636 4637 4638 4639
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);
	rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;

	num_pkts = 0;

M
Michael Chan 已提交
4640
	txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
4641 4642 4643 4644 4645 4646 4647

	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++;
M
Michael Chan 已提交
4648 4649
	bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
	bp->tx_prod_bseq += pkt_size;
4650

4651 4652
	REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
4653 4654 4655

	udelay(100);

M
Michael Chan 已提交
4656 4657 4658
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

4659 4660 4661 4662 4663
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
4664
	dev_kfree_skb(skb);
4665

M
Michael Chan 已提交
4666
	if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_prod) {
4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684
		goto loopback_test_done;
	}

	rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
	if (rx_idx != rx_start_idx + num_pkts) {
		goto loopback_test_done;
	}

	rx_buf = &bp->rx_buf_ring[rx_start_idx];
	rx_skb = rx_buf->skb;

	rx_hdr = (struct l2_fhdr *) rx_skb->data;
	skb_reserve(rx_skb, bp->rx_offset);

	pci_dma_sync_single_for_cpu(bp->pdev,
		pci_unmap_addr(rx_buf, mapping),
		bp->rx_buf_size, PCI_DMA_FROMDEVICE);

4685
	if (rx_hdr->l2_fhdr_status &
4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711
		(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;
}

M
Michael Chan 已提交
4712 4713 4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735
#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);
	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;
}

4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778
#define NVRAM_SIZE 0x200
#define CRC32_RESIDUAL 0xdebb20e3

static int
bnx2_test_nvram(struct bnx2 *bp)
{
	u32 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;

4779
	spin_lock_bh(&bp->phy_lock);
4780 4781 4782 4783
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
4784
	spin_unlock_bh(&bp->phy_lock);
4785

4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803
	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. */
M
Michael Chan 已提交
4804
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822
	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;
}

static void
4823
bnx2_5706_serdes_timer(struct bnx2 *bp)
4824
{
4825 4826 4827 4828 4829
	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;
4830

4831
		bp->current_interval = bp->timer_interval;
M
Michael Chan 已提交
4832

4833
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
4834

4835 4836
		if (bmcr & BMCR_ANENABLE) {
			u32 phy1, phy2;
4837

4838 4839
			bnx2_write_phy(bp, 0x1c, 0x7c00);
			bnx2_read_phy(bp, 0x1c, &phy1);
M
Michael Chan 已提交
4840

4841 4842 4843 4844
			bnx2_write_phy(bp, 0x17, 0x0f01);
			bnx2_read_phy(bp, 0x15, &phy2);
			bnx2_write_phy(bp, 0x17, 0x0f01);
			bnx2_read_phy(bp, 0x15, &phy2);
4845

4846 4847 4848 4849 4850
			if ((phy1 & 0x10) &&	/* SIGNAL DETECT */
				!(phy2 & 0x20)) {	/* no CONFIG */

				bmcr &= ~BMCR_ANENABLE;
				bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4851
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
4852 4853
				bp->phy_flags |= PHY_PARALLEL_DETECT_FLAG;
			}
4854
		}
4855 4856 4857 4858
	}
	else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
		 (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
		u32 phy2;
4859

4860 4861 4862 4863
		bnx2_write_phy(bp, 0x17, 0x0f01);
		bnx2_read_phy(bp, 0x15, &phy2);
		if (phy2 & 0x20) {
			u32 bmcr;
M
Michael Chan 已提交
4864

4865
			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
4866
			bmcr |= BMCR_ANENABLE;
4867
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
4868

4869 4870 4871 4872
			bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
		}
	} else
		bp->current_interval = bp->timer_interval;
4873

4874 4875
	spin_unlock(&bp->phy_lock);
}
4876

4877 4878 4879
static void
bnx2_5708_serdes_timer(struct bnx2 *bp)
{
4880 4881 4882
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return;

4883 4884 4885 4886
	if ((bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) == 0) {
		bp->serdes_an_pending = 0;
		return;
	}
4887

4888 4889 4890 4891 4892
	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;
4893

4894
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
4895
		if (bmcr & BMCR_ANENABLE) {
4896
			bnx2_enable_forced_2g5(bp);
4897 4898
			bp->current_interval = SERDES_FORCED_TIMEOUT;
		} else {
4899
			bnx2_disable_forced_2g5(bp);
4900 4901
			bp->serdes_an_pending = 2;
			bp->current_interval = bp->timer_interval;
4902 4903
		}

4904 4905
	} else
		bp->current_interval = bp->timer_interval;
4906

4907 4908 4909
	spin_unlock(&bp->phy_lock);
}

4910 4911 4912 4913 4914
static void
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
	u32 msg;
4915

4916 4917
	if (!netif_running(bp->dev))
		return;
4918

4919 4920
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;
4921

4922 4923
	msg = (u32) ++bp->fw_drv_pulse_wr_seq;
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg);
4924

4925
	bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT);
4926

4927 4928 4929 4930 4931
	/* workaround occasional corrupted counters */
	if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
		REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
					    BNX2_HC_COMMAND_STATS_NOW);

4932 4933 4934
	if (bp->phy_flags & PHY_SERDES_FLAG) {
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			bnx2_5706_serdes_timer(bp);
4935
		else
4936
			bnx2_5708_serdes_timer(bp);
4937 4938 4939
	}

bnx2_restart_timer:
M
Michael Chan 已提交
4940
	mod_timer(&bp->timer, jiffies + bp->current_interval);
4941 4942
}

4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974
static int
bnx2_request_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;
	int rc = 0;

	if (bp->flags & USING_MSI_FLAG) {
		irq_handler_t	fn = bnx2_msi;

		if (bp->flags & ONE_SHOT_MSI_FLAG)
			fn = bnx2_msi_1shot;

		rc = request_irq(bp->pdev->irq, fn, 0, dev->name, dev);
	} else
		rc = request_irq(bp->pdev->irq, bnx2_interrupt,
				 IRQF_SHARED, dev->name, dev);
	return rc;
}

static void
bnx2_free_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;

	if (bp->flags & USING_MSI_FLAG) {
		free_irq(bp->pdev->irq, dev);
		pci_disable_msi(bp->pdev);
		bp->flags &= ~(USING_MSI_FLAG | ONE_SHOT_MSI_FLAG);
	} else
		free_irq(bp->pdev->irq, dev);
}

4975 4976 4977 4978
/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
4979
	struct bnx2 *bp = netdev_priv(dev);
4980 4981
	int rc;

4982 4983
	netif_carrier_off(dev);

4984
	bnx2_set_power_state(bp, PCI_D0);
4985 4986 4987 4988 4989 4990
	bnx2_disable_int(bp);

	rc = bnx2_alloc_mem(bp);
	if (rc)
		return rc;

4991
	if ((bp->flags & MSI_CAP_FLAG) && !disable_msi) {
4992 4993
		if (pci_enable_msi(bp->pdev) == 0) {
			bp->flags |= USING_MSI_FLAG;
4994 4995
			if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bp->flags |= ONE_SHOT_MSI_FLAG;
4996 4997
		}
	}
4998 4999
	rc = bnx2_request_irq(bp);

5000 5001 5002 5003 5004 5005 5006 5007
	if (rc) {
		bnx2_free_mem(bp);
		return rc;
	}

	rc = bnx2_init_nic(bp);

	if (rc) {
5008
		bnx2_free_irq(bp);
5009 5010 5011 5012
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
		return rc;
	}
5013

M
Michael Chan 已提交
5014
	mod_timer(&bp->timer, jiffies + bp->current_interval);
5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031

	atomic_set(&bp->intr_sem, 0);

	bnx2_enable_int(bp);

	if (bp->flags & USING_MSI_FLAG) {
		/* Test MSI to make sure it is working
		 * If MSI test fails, go back to INTx mode
		 */
		if (bnx2_test_intr(bp) != 0) {
			printk(KERN_WARNING PFX "%s: No interrupt was generated"
			       " using MSI, switching to INTx mode. Please"
			       " report this failure to the PCI maintainer"
			       " and include system chipset information.\n",
			       bp->dev->name);

			bnx2_disable_int(bp);
5032
			bnx2_free_irq(bp);
5033 5034 5035

			rc = bnx2_init_nic(bp);

5036 5037 5038
			if (!rc)
				rc = bnx2_request_irq(bp);

5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057
			if (rc) {
				bnx2_free_skbs(bp);
				bnx2_free_mem(bp);
				del_timer_sync(&bp->timer);
				return rc;
			}
			bnx2_enable_int(bp);
		}
	}
	if (bp->flags & USING_MSI_FLAG) {
		printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
	}

	netif_start_queue(dev);

	return 0;
}

static void
D
David Howells 已提交
5058
bnx2_reset_task(struct work_struct *work)
5059
{
D
David Howells 已提交
5060
	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5061

5062 5063 5064 5065
	if (!netif_running(bp->dev))
		return;

	bp->in_reset_task = 1;
5066 5067 5068 5069 5070 5071
	bnx2_netif_stop(bp);

	bnx2_init_nic(bp);

	atomic_set(&bp->intr_sem, 1);
	bnx2_netif_start(bp);
5072
	bp->in_reset_task = 0;
5073 5074 5075 5076 5077
}

static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
5078
	struct bnx2 *bp = netdev_priv(dev);
5079 5080 5081 5082 5083 5084 5085 5086 5087 5088

	/* This allows the netif to be shutdown gracefully before resetting */
	schedule_work(&bp->reset_task);
}

#ifdef BCM_VLAN
/* Called with rtnl_lock */
static void
bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
{
M
Michael Chan 已提交
5089
	struct bnx2 *bp = netdev_priv(dev);
5090 5091 5092 5093 5094 5095 5096 5097 5098 5099

	bnx2_netif_stop(bp);

	bp->vlgrp = vlgrp;
	bnx2_set_rx_mode(dev);

	bnx2_netif_start(bp);
}
#endif

H
Herbert Xu 已提交
5100
/* Called with netif_tx_lock.
M
Michael Chan 已提交
5101 5102
 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
 * netif_wake_queue().
5103 5104 5105 5106
 */
static int
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
5107
	struct bnx2 *bp = netdev_priv(dev);
5108 5109 5110 5111 5112 5113 5114
	dma_addr_t mapping;
	struct tx_bd *txbd;
	struct sw_bd *tx_buf;
	u32 len, vlan_tag_flags, last_frag, mss;
	u16 prod, ring_prod;
	int i;

M
Michael Chan 已提交
5115
	if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
5116 5117 5118 5119 5120 5121 5122 5123 5124 5125 5126
		netif_stop_queue(dev);
		printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
			dev->name);

		return NETDEV_TX_BUSY;
	}
	len = skb_headlen(skb);
	prod = bp->tx_prod;
	ring_prod = TX_RING_IDX(prod);

	vlan_tag_flags = 0;
5127
	if (skb->ip_summed == CHECKSUM_PARTIAL) {
5128 5129 5130 5131 5132 5133 5134
		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
	}

	if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
		vlan_tag_flags |=
			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
	}
5135
	if ((mss = skb_shinfo(skb)->gso_size)) {
5136
		u32 tcp_opt_len, ip_tcp_len;
5137
		struct iphdr *iph;
5138 5139 5140

		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

5141 5142 5143 5144 5145
		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;
5146

5147 5148 5149 5150 5151 5152 5153 5154 5155 5156 5157 5158 5159 5160 5161 5162 5163 5164
			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 {
			if (skb_header_cloned(skb) &&
			    pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
				dev_kfree_skb(skb);
				return NETDEV_TX_OK;
			}
5165

5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178
			ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);

			iph = ip_hdr(skb);
			iph->check = 0;
			iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
								 iph->daddr, 0,
								 IPPROTO_TCP,
								 0);
			if (tcp_opt_len || (iph->ihl > 5)) {
				vlan_tag_flags |= ((iph->ihl - 5) +
						   (tcp_opt_len >> 2)) << 8;
			}
5179
		}
5180
	} else
5181 5182 5183
		mss = 0;

	mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5184

5185 5186 5187 5188 5189 5190 5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221
	tx_buf = &bp->tx_buf_ring[ring_prod];
	tx_buf->skb = skb;
	pci_unmap_addr_set(tx_buf, mapping, mapping);

	txbd = &bp->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;

	for (i = 0; i < last_frag; i++) {
		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];

		prod = NEXT_TX_BD(prod);
		ring_prod = TX_RING_IDX(prod);
		txbd = &bp->tx_desc_ring[ring_prod];

		len = frag->size;
		mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
			len, PCI_DMA_TODEVICE);
		pci_unmap_addr_set(&bp->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);
	bp->tx_prod_bseq += skb->len;

5222 5223
	REG_WR16(bp, bp->tx_bidx_addr, prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5224 5225 5226 5227 5228 5229

	mmiowb();

	bp->tx_prod = prod;
	dev->trans_start = jiffies;

M
Michael Chan 已提交
5230 5231
	if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
		netif_stop_queue(dev);
M
Michael Chan 已提交
5232
		if (bnx2_tx_avail(bp) > bp->tx_wake_thresh)
M
Michael Chan 已提交
5233
			netif_wake_queue(dev);
5234 5235 5236 5237 5238 5239 5240 5241 5242
	}

	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
5243
	struct bnx2 *bp = netdev_priv(dev);
5244 5245
	u32 reset_code;

5246 5247 5248 5249 5250 5251 5252
	/* Calling flush_scheduled_work() may deadlock because
	 * linkwatch_event() may be on the workqueue and it will try to get
	 * the rtnl_lock which we are holding.
	 */
	while (bp->in_reset_task)
		msleep(1);

5253 5254
	bnx2_netif_stop(bp);
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
5255
	if (bp->flags & NO_WOL_FLAG)
5256
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
5257
	else if (bp->wol)
5258 5259 5260 5261
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
	bnx2_reset_chip(bp, reset_code);
5262
	bnx2_free_irq(bp);
5263 5264 5265 5266
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
5267
	bnx2_set_power_state(bp, PCI_D3hot);
5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286
	return 0;
}

#define GET_NET_STATS64(ctr)					\
	(unsigned long) ((unsigned long) (ctr##_hi) << 32) +	\
	(unsigned long) (ctr##_lo)

#define GET_NET_STATS32(ctr)		\
	(ctr##_lo)

#if (BITS_PER_LONG == 64)
#define GET_NET_STATS	GET_NET_STATS64
#else
#define GET_NET_STATS	GET_NET_STATS32
#endif

static struct net_device_stats *
bnx2_get_stats(struct net_device *dev)
{
M
Michael Chan 已提交
5287
	struct bnx2 *bp = netdev_priv(dev);
5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309
	struct statistics_block *stats_blk = bp->stats_blk;
	struct net_device_stats *net_stats = &bp->net_stats;

	if (bp->stats_blk == NULL) {
		return net_stats;
	}
	net_stats->rx_packets =
		GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);

	net_stats->tx_packets =
		GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);

	net_stats->rx_bytes =
		GET_NET_STATS(stats_blk->stat_IfHCInOctets);

	net_stats->tx_bytes =
		GET_NET_STATS(stats_blk->stat_IfHCOutOctets);

5310
	net_stats->multicast =
5311 5312
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);

5313
	net_stats->collisions =
5314 5315
		(unsigned long) stats_blk->stat_EtherStatsCollisions;

5316
	net_stats->rx_length_errors =
5317 5318 5319
		(unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
		stats_blk->stat_EtherStatsOverrsizePkts);

5320
	net_stats->rx_over_errors =
5321 5322
		(unsigned long) stats_blk->stat_IfInMBUFDiscards;

5323
	net_stats->rx_frame_errors =
5324 5325
		(unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;

5326
	net_stats->rx_crc_errors =
5327 5328 5329 5330 5331 5332 5333 5334 5335 5336
		(unsigned long) stats_blk->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 =
    		(unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
		stats_blk->stat_Dot3StatsLateCollisions);

M
Michael Chan 已提交
5337 5338
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
5339 5340 5341 5342 5343 5344 5345 5346
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
			(unsigned long)
			stats_blk->stat_Dot3StatsCarrierSenseErrors;
	}

	net_stats->tx_errors =
5347
    		(unsigned long)
5348 5349 5350 5351 5352
		stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
		+
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
5353 5354 5355 5356
	net_stats->rx_missed_errors =
		(unsigned long) (stats_blk->stat_IfInMBUFDiscards +
		stats_blk->stat_FwRxDrop);

5357 5358 5359 5360 5361 5362 5363 5364
	return net_stats;
}

/* All ethtool functions called with rtnl_lock */

static int
bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
5365
	struct bnx2 *bp = netdev_priv(dev);
5366 5367 5368 5369 5370

	cmd->supported = SUPPORTED_Autoneg;
	if (bp->phy_flags & PHY_SERDES_FLAG) {
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;
5371 5372
		if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
			cmd->supported |= SUPPORTED_2500baseX_Full;
5373 5374 5375 5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409

		cmd->port = PORT_FIBRE;
	}
	else {
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

		cmd->port = PORT_TP;
	}

	cmd->advertising = bp->advertising;

	if (bp->autoneg & AUTONEG_SPEED) {
		cmd->autoneg = AUTONEG_ENABLE;
	}
	else {
		cmd->autoneg = AUTONEG_DISABLE;
	}

	if (netif_carrier_ok(dev)) {
		cmd->speed = bp->line_speed;
		cmd->duplex = bp->duplex;
	}
	else {
		cmd->speed = -1;
		cmd->duplex = -1;
	}

	cmd->transceiver = XCVR_INTERNAL;
	cmd->phy_address = bp->phy_addr;

	return 0;
}
5410

5411 5412 5413
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
5414
	struct bnx2 *bp = netdev_priv(dev);
5415 5416 5417 5418 5419 5420 5421 5422
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;

	if (cmd->autoneg == AUTONEG_ENABLE) {
		autoneg |= AUTONEG_SPEED;

5423
		cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435

		/* allow advertising 1 speed */
		if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
			(cmd->advertising == ADVERTISED_10baseT_Full) ||
			(cmd->advertising == ADVERTISED_100baseT_Half) ||
			(cmd->advertising == ADVERTISED_100baseT_Full)) {

			if (bp->phy_flags & PHY_SERDES_FLAG)
				return -EINVAL;

			advertising = cmd->advertising;

5436 5437 5438 5439
		} else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
			if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
				return -EINVAL;
		} else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456
			advertising = cmd->advertising;
		}
		else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
			return -EINVAL;
		}
		else {
			if (bp->phy_flags & PHY_SERDES_FLAG) {
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
			}
			else {
				advertising = ETHTOOL_ALL_COPPER_SPEED;
			}
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
		if (bp->phy_flags & PHY_SERDES_FLAG) {
M
Michael Chan 已提交
5457 5458 5459 5460 5461 5462 5463
			if ((cmd->speed != SPEED_1000 &&
			     cmd->speed != SPEED_2500) ||
			    (cmd->duplex != DUPLEX_FULL))
				return -EINVAL;

			if (cmd->speed == SPEED_2500 &&
			    !(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479
				return -EINVAL;
		}
		else if (cmd->speed == SPEED_1000) {
			return -EINVAL;
		}
		autoneg &= ~AUTONEG_SPEED;
		req_line_speed = cmd->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;

5480
	spin_lock_bh(&bp->phy_lock);
5481

5482
	bnx2_setup_phy(bp, bp->phy_port);
5483

5484
	spin_unlock_bh(&bp->phy_lock);
5485 5486 5487 5488 5489 5490 5491

	return 0;
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
5492
	struct bnx2 *bp = netdev_priv(dev);
5493 5494 5495 5496 5497 5498 5499

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
	info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
	info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
	info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
5500 5501
	info->fw_version[1] = info->fw_version[3] = '.';
	info->fw_version[5] = 0;
5502 5503
}

M
Michael Chan 已提交
5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561
#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);
	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;
		}
	}
}

5562 5563 5564
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
5565
	struct bnx2 *bp = netdev_priv(dev);
5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583

	if (bp->flags & NO_WOL_FLAG) {
		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)
{
M
Michael Chan 已提交
5584
	struct bnx2 *bp = netdev_priv(dev);
5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603

	if (wol->wolopts & ~WAKE_MAGIC)
		return -EINVAL;

	if (wol->wolopts & WAKE_MAGIC) {
		if (bp->flags & NO_WOL_FLAG)
			return -EINVAL;

		bp->wol = 1;
	}
	else {
		bp->wol = 0;
	}
	return 0;
}

static int
bnx2_nway_reset(struct net_device *dev)
{
M
Michael Chan 已提交
5604
	struct bnx2 *bp = netdev_priv(dev);
5605 5606 5607 5608 5609 5610
	u32 bmcr;

	if (!(bp->autoneg & AUTONEG_SPEED)) {
		return -EINVAL;
	}

5611
	spin_lock_bh(&bp->phy_lock);
5612 5613 5614

	/* Force a link down visible on the other side */
	if (bp->phy_flags & PHY_SERDES_FLAG) {
5615
		bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
5616
		spin_unlock_bh(&bp->phy_lock);
5617 5618 5619

		msleep(20);

5620
		spin_lock_bh(&bp->phy_lock);
5621 5622 5623 5624

		bp->current_interval = SERDES_AN_TIMEOUT;
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
5625 5626
	}

5627
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5628
	bmcr &= ~BMCR_LOOPBACK;
5629
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
5630

5631
	spin_unlock_bh(&bp->phy_lock);
5632 5633 5634 5635 5636 5637 5638

	return 0;
}

static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
5639
	struct bnx2 *bp = netdev_priv(dev);
5640

M
Michael Chan 已提交
5641
	if (bp->flash_info == NULL)
5642 5643
		return 0;

M
Michael Chan 已提交
5644
	return (int) bp->flash_size;
5645 5646 5647 5648 5649 5650
}

static int
bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
5651
	struct bnx2 *bp = netdev_priv(dev);
5652 5653
	int rc;

5654
	/* parameters already validated in ethtool_get_eeprom */
5655 5656 5657 5658 5659 5660 5661 5662 5663 5664

	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)
{
M
Michael Chan 已提交
5665
	struct bnx2 *bp = netdev_priv(dev);
5666 5667
	int rc;

5668
	/* parameters already validated in ethtool_set_eeprom */
5669 5670 5671 5672 5673 5674 5675 5676 5677

	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)
{
M
Michael Chan 已提交
5678
	struct bnx2 *bp = netdev_priv(dev);
5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699

	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)
{
M
Michael Chan 已提交
5700
	struct bnx2 *bp = netdev_priv(dev);
5701 5702 5703 5704

	bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
	if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;

5705
	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728
	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;
5729 5730 5731 5732
	if (CHIP_NUM(bp) == CHIP_NUM_5708) {
		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
			bp->stats_ticks = USEC_PER_SEC;
	}
5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747
	if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
	bp->stats_ticks &= 0xffff00;

	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
		bnx2_init_nic(bp);
		bnx2_netif_start(bp);
	}

	return 0;
}

static void
bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
{
M
Michael Chan 已提交
5748
	struct bnx2 *bp = netdev_priv(dev);
5749

5750
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764
	ering->rx_mini_max_pending = 0;
	ering->rx_jumbo_max_pending = 0;

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
	ering->rx_jumbo_pending = 0;

	ering->tx_max_pending = MAX_TX_DESC_CNT;
	ering->tx_pending = bp->tx_ring_size;
}

static int
bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
{
M
Michael Chan 已提交
5765
	struct bnx2 *bp = netdev_priv(dev);
5766

5767
	if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
5768 5769 5770 5771 5772
		(ering->tx_pending > MAX_TX_DESC_CNT) ||
		(ering->tx_pending <= MAX_SKB_FRAGS)) {

		return -EINVAL;
	}
5773 5774 5775 5776 5777 5778 5779 5780
	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
	}

	bnx2_set_rx_ring_size(bp, ering->rx_pending);
5781 5782 5783
	bp->tx_ring_size = ering->tx_pending;

	if (netif_running(bp->dev)) {
5784 5785 5786 5787 5788
		int rc;

		rc = bnx2_alloc_mem(bp);
		if (rc)
			return rc;
5789 5790 5791 5792 5793 5794 5795 5796 5797 5798
		bnx2_init_nic(bp);
		bnx2_netif_start(bp);
	}

	return 0;
}

static void
bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
5799
	struct bnx2 *bp = netdev_priv(dev);
5800 5801 5802 5803 5804 5805 5806 5807 5808

	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)
{
M
Michael Chan 已提交
5809
	struct bnx2 *bp = netdev_priv(dev);
5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823

	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;
	}

5824
	spin_lock_bh(&bp->phy_lock);
5825

5826
	bnx2_setup_phy(bp, bp->phy_port);
5827

5828
	spin_unlock_bh(&bp->phy_lock);
5829 5830 5831 5832 5833 5834 5835

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
5836
	struct bnx2 *bp = netdev_priv(dev);
5837 5838 5839 5840 5841 5842 5843

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
5844
	struct bnx2 *bp = netdev_priv(dev);
5845 5846 5847 5848 5849

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
5850 5851 5852
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
5853 5854 5855
	struct bnx2 *bp = netdev_priv(dev);

	if (data) {
M
Michael Chan 已提交
5856
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
5857 5858 5859 5860 5861
		if (CHIP_NUM(bp) == CHIP_NUM_5709)
			dev->features |= NETIF_F_TSO6;
	} else
		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
				   NETIF_F_TSO_ECN);
M
Michael Chan 已提交
5862 5863 5864
	return 0;
}

M
Michael Chan 已提交
5865
#define BNX2_NUM_STATS 46
5866

5867
static struct {
5868 5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914
	char string[ETH_GSTRING_LEN];
} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
	{ "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_discards" },
M
Michael Chan 已提交
5915
	{ "rx_fw_discards" },
5916 5917 5918 5919
};

#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)

5920
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931
    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),
5932 5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962 5963 5964 5965
    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_IfInMBUFDiscards),
M
Michael Chan 已提交
5966
    STATS_OFFSET32(stat_FwRxDrop),
5967 5968 5969 5970
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
5971
 */
5972
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
5973 5974 5975 5976
	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,
M
Michael Chan 已提交
5977
	4,4,4,4,4,4,
5978 5979
};

M
Michael Chan 已提交
5980 5981 5982 5983 5984
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,
M
Michael Chan 已提交
5985
	4,4,4,4,4,4,
M
Michael Chan 已提交
5986 5987
};

5988 5989
#define BNX2_NUM_TESTS 6

5990
static struct {
5991 5992 5993 5994 5995 5996 5997 5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009
	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_self_test_count(struct net_device *dev)
{
	return BNX2_NUM_TESTS;
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
6010
	struct bnx2 *bp = netdev_priv(dev);
6011 6012 6013

	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
M
Michael Chan 已提交
6014 6015
		int i;

6016 6017 6018 6019 6020 6021 6022 6023 6024 6025 6026 6027
		bnx2_netif_stop(bp);
		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;
		}
M
Michael Chan 已提交
6028
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6029 6030 6031 6032 6033 6034 6035 6036 6037 6038 6039
			etest->flags |= ETH_TEST_FL_FAILED;

		if (!netif_running(bp->dev)) {
			bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		}
		else {
			bnx2_init_nic(bp);
			bnx2_netif_start(bp);
		}

		/* wait for link up */
M
Michael Chan 已提交
6040 6041 6042 6043 6044
		for (i = 0; i < 7; i++) {
			if (bp->link_up)
				break;
			msleep_interruptible(1000);
		}
6045 6046 6047 6048 6049 6050 6051 6052 6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067 6068 6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082 6083 6084 6085 6086 6087
	}

	if (bnx2_test_nvram(bp) != 0) {
		buf[3] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
	if (bnx2_test_intr(bp) != 0) {
		buf[4] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}

	if (bnx2_test_link(bp) != 0) {
		buf[5] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;

	}
}

static void
bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
	switch (stringset) {
	case ETH_SS_STATS:
		memcpy(buf, bnx2_stats_str_arr,
			sizeof(bnx2_stats_str_arr));
		break;
	case ETH_SS_TEST:
		memcpy(buf, bnx2_tests_str_arr,
			sizeof(bnx2_tests_str_arr));
		break;
	}
}

static int
bnx2_get_stats_count(struct net_device *dev)
{
	return BNX2_NUM_STATS;
}

static void
bnx2_get_ethtool_stats(struct net_device *dev,
		struct ethtool_stats *stats, u64 *buf)
{
M
Michael Chan 已提交
6088
	struct bnx2 *bp = netdev_priv(dev);
6089 6090
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
6091
	u8 *stats_len_arr = NULL;
6092 6093 6094 6095 6096 6097

	if (hw_stats == NULL) {
		memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
		return;
	}

M
Michael Chan 已提交
6098 6099 6100 6101
	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))
6102
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
6103 6104
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
6105 6106 6107 6108 6109 6110 6111 6112 6113 6114 6115 6116 6117 6118 6119 6120 6121 6122 6123 6124 6125 6126 6127

	for (i = 0; i < BNX2_NUM_STATS; i++) {
		if (stats_len_arr[i] == 0) {
			/* skip this counter */
			buf[i] = 0;
			continue;
		}
		if (stats_len_arr[i] == 4) {
			/* 4-byte counter */
			buf[i] = (u64)
				*(hw_stats + bnx2_stats_offset_arr[i]);
			continue;
		}
		/* 8-byte counter */
		buf[i] = (((u64) *(hw_stats +
					bnx2_stats_offset_arr[i])) << 32) +
				*(hw_stats + bnx2_stats_offset_arr[i] + 1);
	}
}

static int
bnx2_phys_id(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
6128
	struct bnx2 *bp = netdev_priv(dev);
6129 6130 6131 6132 6133 6134 6135 6136 6137 6138 6139 6140 6141 6142 6143 6144 6145 6146 6147 6148 6149 6150 6151 6152 6153 6154 6155 6156 6157 6158
	int i;
	u32 save;

	if (data == 0)
		data = 2;

	save = REG_RD(bp, BNX2_MISC_CFG);
	REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);

	for (i = 0; i < (data * 2); i++) {
		if ((i % 2) == 0) {
			REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
		}
		else {
			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);
		}
		msleep_interruptible(500);
		if (signal_pending(current))
			break;
	}
	REG_WR(bp, BNX2_EMAC_LED, 0);
	REG_WR(bp, BNX2_MISC_CFG, save);
	return 0;
}

6159 6160 6161 6162 6163 6164 6165 6166 6167 6168 6169
static int
bnx2_set_tx_csum(struct net_device *dev, u32 data)
{
	struct bnx2 *bp = netdev_priv(dev);

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		return (ethtool_op_set_tx_hw_csum(dev, data));
	else
		return (ethtool_op_set_tx_csum(dev, data));
}

6170
static const struct ethtool_ops bnx2_ethtool_ops = {
6171 6172 6173
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
6174 6175
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191
	.get_wol		= bnx2_get_wol,
	.set_wol		= bnx2_set_wol,
	.nway_reset		= bnx2_nway_reset,
	.get_link		= ethtool_op_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,
	.get_rx_csum		= bnx2_get_rx_csum,
	.set_rx_csum		= bnx2_set_rx_csum,
	.get_tx_csum		= ethtool_op_get_tx_csum,
6192
	.set_tx_csum		= bnx2_set_tx_csum,
6193 6194 6195
	.get_sg			= ethtool_op_get_sg,
	.set_sg			= ethtool_op_set_sg,
	.get_tso		= ethtool_op_get_tso,
M
Michael Chan 已提交
6196
	.set_tso		= bnx2_set_tso,
6197 6198 6199 6200 6201 6202
	.self_test_count	= bnx2_self_test_count,
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_stats_count	= bnx2_get_stats_count,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
6203
	.get_perm_addr		= ethtool_op_get_perm_addr,
6204 6205 6206 6207 6208 6209
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
6210
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
6211
	struct bnx2 *bp = netdev_priv(dev);
6212 6213 6214 6215 6216 6217 6218 6219 6220 6221
	int err;

	switch(cmd) {
	case SIOCGMIIPHY:
		data->phy_id = bp->phy_addr;

		/* fallthru */
	case SIOCGMIIREG: {
		u32 mii_regval;

6222 6223 6224
		if (!netif_running(dev))
			return -EAGAIN;

6225
		spin_lock_bh(&bp->phy_lock);
6226
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6227
		spin_unlock_bh(&bp->phy_lock);
6228 6229 6230 6231 6232 6233 6234 6235 6236 6237

		data->val_out = mii_regval;

		return err;
	}

	case SIOCSMIIREG:
		if (!capable(CAP_NET_ADMIN))
			return -EPERM;

6238 6239 6240
		if (!netif_running(dev))
			return -EAGAIN;

6241
		spin_lock_bh(&bp->phy_lock);
6242
		err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6243
		spin_unlock_bh(&bp->phy_lock);
6244 6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256 6257 6258

		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;
M
Michael Chan 已提交
6259
	struct bnx2 *bp = netdev_priv(dev);
6260

6261 6262 6263
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

6264 6265 6266 6267 6268 6269 6270 6271 6272 6273 6274
	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
	if (netif_running(dev))
		bnx2_set_mac_addr(bp);

	return 0;
}

/* Called with rtnl_lock */
static int
bnx2_change_mtu(struct net_device *dev, int new_mtu)
{
M
Michael Chan 已提交
6275
	struct bnx2 *bp = netdev_priv(dev);
6276 6277 6278 6279 6280 6281 6282 6283 6284 6285 6286 6287 6288 6289 6290 6291 6292 6293 6294 6295

	if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
		((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
		return -EINVAL;

	dev->mtu = new_mtu;
	if (netif_running(dev)) {
		bnx2_netif_stop(bp);

		bnx2_init_nic(bp);

		bnx2_netif_start(bp);
	}
	return 0;
}

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
static void
poll_bnx2(struct net_device *dev)
{
M
Michael Chan 已提交
6296
	struct bnx2 *bp = netdev_priv(dev);
6297 6298

	disable_irq(bp->pdev->irq);
6299
	bnx2_interrupt(bp->pdev->irq, dev);
6300 6301 6302 6303
	enable_irq(bp->pdev->irq);
}
#endif

6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338 6339 6340 6341
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 |= PHY_SERDES_FLAG;
		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 |= PHY_SERDES_FLAG;
			return;
		}
	} else {
		switch (strap) {
		case 0x1:
		case 0x2:
		case 0x4:
			bp->phy_flags |= PHY_SERDES_FLAG;
			return;
		}
	}
}

6342 6343 6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393
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 |= PCIX_FLAG;

		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 |= PCI_32BIT_FLAG;

}

6394 6395 6396 6397 6398 6399 6400
static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
	int rc;
	u32 reg;
6401
	u64 dma_mask, persist_dma_mask;
6402 6403 6404

	SET_MODULE_OWNER(dev);
	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
6405
	bp = netdev_priv(dev);
6406 6407 6408 6409 6410 6411 6412

	bp->flags = 0;
	bp->phy_flags = 0;

	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
6413
		dev_err(&pdev->dev, "Cannot enable PCI device, aborting.");
6414 6415 6416 6417
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
6418
		dev_err(&pdev->dev,
6419
			"Cannot find PCI device base address, aborting.\n");
6420 6421 6422 6423 6424 6425
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
6426
		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
6427 6428 6429 6430 6431 6432 6433
		goto err_out_disable;
	}

	pci_set_master(pdev);

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
6434
		dev_err(&pdev->dev,
6435
			"Cannot find power management capability, aborting.\n");
6436 6437 6438 6439 6440 6441 6442 6443
		rc = -EIO;
		goto err_out_release;
	}

	bp->dev = dev;
	bp->pdev = pdev;

	spin_lock_init(&bp->phy_lock);
M
Michael Chan 已提交
6444
	spin_lock_init(&bp->indirect_lock);
D
David Howells 已提交
6445
	INIT_WORK(&bp->reset_task, bnx2_reset_task);
6446 6447

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
M
Michael Chan 已提交
6448
	mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
6449 6450 6451 6452 6453 6454
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

	bp->regview = ioremap_nocache(dev->base_addr, mem_len);

	if (!bp->regview) {
6455
		dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
6456 6457 6458 6459 6460 6461 6462 6463 6464 6465 6466 6467
		rc = -ENOMEM;
		goto err_out_release;
	}

	/* Configure byte swap and enable write to the reg_window registers.
	 * Rely on CPU to do target byte swapping on big endian systems
	 * The chip's target access swapping will not swap all accesses
	 */
	pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
			       BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
			       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);

6468
	bnx2_set_power_state(bp, PCI_D0);
6469 6470 6471

	bp->chip_id = REG_RD(bp, BNX2_MISC_ID);

6472 6473 6474 6475 6476 6477 6478 6479 6480
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
			dev_err(&pdev->dev,
				"Cannot find PCIE capability, aborting.\n");
			rc = -EIO;
			goto err_out_unmap;
		}
		bp->flags |= PCIE_FLAG;
	} else {
M
Michael Chan 已提交
6481 6482 6483 6484 6485 6486 6487 6488 6489
		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;
		}
	}

6490 6491 6492 6493 6494
	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 |= MSI_CAP_FLAG;
	}

6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514
	/* 5708 cannot support DMA addresses > 40-bit.  */
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
		persist_dma_mask = dma_mask = DMA_40BIT_MASK;
	else
		persist_dma_mask = dma_mask = DMA_64BIT_MASK;

	/* 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_32BIT_MASK)) != 0) {
		dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
		goto err_out_unmap;
	}

6515 6516
	if (!(bp->flags & PCIE_FLAG))
		bnx2_get_pci_speed(bp);
6517 6518 6519 6520 6521 6522 6523 6524 6525 6526

	/* 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 & PCIX_FLAG)) {

6527
		dev_err(&pdev->dev,
6528
			"5706 A1 can only be used in a PCIX bus, aborting.\n");
6529 6530 6531 6532 6533
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

6534 6535 6536
	reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
6537 6538 6539 6540 6541
	    BNX2_SHM_HDR_SIGNATURE_SIG) {
		u32 off = PCI_FUNC(pdev->devfn) << 2;

		bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0 + off);
	} else
6542 6543
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

6544 6545 6546
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
6547
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
6548 6549 6550

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
6551
		dev_err(&pdev->dev, "Firmware not running, aborting.\n");
6552 6553 6554 6555
		rc = -ENODEV;
		goto err_out_unmap;
	}

6556
	bp->fw_ver = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
6557

6558
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
6559 6560 6561
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

6562
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
6563 6564 6565 6566 6567 6568
	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;
6569
	bnx2_set_rx_ring_size(bp, 255);
6570 6571 6572 6573 6574 6575 6576 6577 6578

	bp->rx_csum = 1;

	bp->rx_offset = sizeof(struct l2_fhdr) + 2;

	bp->tx_quick_cons_trip_int = 20;
	bp->tx_quick_cons_trip = 20;
	bp->tx_ticks_int = 80;
	bp->tx_ticks = 80;
6579

6580 6581 6582 6583 6584 6585 6586 6587
	bp->rx_quick_cons_trip_int = 6;
	bp->rx_quick_cons_trip = 6;
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

	bp->stats_ticks = 1000000 & 0xffff00;

	bp->timer_interval =  HZ;
M
Michael Chan 已提交
6588
	bp->current_interval =  HZ;
6589

M
Michael Chan 已提交
6590 6591
	bp->phy_addr = 1;

6592
	/* Disable WOL support if we are running on a SERDES chip. */
6593 6594 6595
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_get_5709_media(bp);
	else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
6596
		bp->phy_flags |= PHY_SERDES_FLAG;
M
Michael Chan 已提交
6597

6598
	bp->phy_port = PORT_TP;
M
Michael Chan 已提交
6599
	if (bp->phy_flags & PHY_SERDES_FLAG) {
6600
		bp->phy_port = PORT_FIBRE;
6601
		bp->flags |= NO_WOL_FLAG;
M
Michael Chan 已提交
6602
		if (CHIP_NUM(bp) != CHIP_NUM_5706) {
M
Michael Chan 已提交
6603
			bp->phy_addr = 2;
6604
			reg = REG_RD_IND(bp, bp->shmem_base +
M
Michael Chan 已提交
6605 6606 6607 6608
					 BNX2_SHARED_HW_CFG_CONFIG);
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
				bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
		}
6609 6610
		bnx2_init_remote_phy(bp);

6611 6612 6613
	} else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
		   CHIP_NUM(bp) == CHIP_NUM_5708)
		bp->phy_flags |= PHY_CRC_FIX_FLAG;
6614 6615
	else if (CHIP_ID(bp) == CHIP_ID_5709_A0)
		bp->phy_flags |= PHY_DIS_EARLY_DAC_FLAG;
6616

6617 6618 6619
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1))
M
Michael Chan 已提交
6620 6621
		bp->flags |= NO_WOL_FLAG;

6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633
	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;
	}

6634 6635 6636 6637 6638 6639 6640 6641
	/* 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
6642
	 * prefers to locally disable MSI rather than globally disabling it.
6643 6644 6645 6646 6647 6648 6649 6650 6651 6652 6653 6654 6655 6656 6657 6658 6659 6660
	 */
	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))) {
			u8 rev;

			pci_read_config_byte(amd_8132, PCI_REVISION_ID, &rev);
			if (rev >= 0x10 && rev <= 0x13) {
				disable_msi = 1;
				pci_dev_put(amd_8132);
				break;
			}
		}
	}

6661
	bnx2_set_default_link(bp);
6662 6663
	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
6664 6665 6666 6667 6668
	init_timer(&bp->timer);
	bp->timer.expires = RUN_AT(bp->timer_interval);
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

6669 6670 6671 6672 6673
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
6674
		bp->regview = NULL;
6675 6676 6677 6678 6679 6680 6681 6682 6683 6684 6685 6686 6687
	}

err_out_release:
	pci_release_regions(pdev);

err_out_disable:
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);

err_out:
	return rc;
}

6688 6689 6690 6691 6692 6693 6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705 6706 6707
static char * __devinit
bnx2_bus_string(struct bnx2 *bp, char *str)
{
	char *s = str;

	if (bp->flags & PCIE_FLAG) {
		s += sprintf(s, "PCI Express");
	} else {
		s += sprintf(s, "PCI");
		if (bp->flags & PCIX_FLAG)
			s += sprintf(s, "-X");
		if (bp->flags & PCI_32BIT_FLAG)
			s += sprintf(s, " 32-bit");
		else
			s += sprintf(s, " 64-bit");
		s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
	}
	return str;
}

6708 6709 6710 6711 6712 6713 6714
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, i;
6715
	char str[40];
6716 6717 6718 6719 6720 6721 6722 6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746 6747 6748

	if (version_printed++ == 0)
		printk(KERN_INFO "%s", version);

	/* dev zeroed in init_etherdev */
	dev = alloc_etherdev(sizeof(*bp));

	if (!dev)
		return -ENOMEM;

	rc = bnx2_init_board(pdev, dev);
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

	dev->open = bnx2_open;
	dev->hard_start_xmit = bnx2_start_xmit;
	dev->stop = bnx2_close;
	dev->get_stats = bnx2_get_stats;
	dev->set_multicast_list = bnx2_set_rx_mode;
	dev->do_ioctl = bnx2_ioctl;
	dev->set_mac_address = bnx2_change_mac_addr;
	dev->change_mtu = bnx2_change_mtu;
	dev->tx_timeout = bnx2_tx_timeout;
	dev->watchdog_timeo = TX_TIMEOUT;
#ifdef BCM_VLAN
	dev->vlan_rx_register = bnx2_vlan_rx_register;
#endif
	dev->poll = bnx2_poll;
	dev->ethtool_ops = &bnx2_ethtool_ops;
	dev->weight = 64;

M
Michael Chan 已提交
6749
	bp = netdev_priv(dev);
6750 6751 6752 6753 6754

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
	dev->poll_controller = poll_bnx2;
#endif

6755 6756 6757 6758 6759 6760
	pci_set_drvdata(pdev, dev);

	memcpy(dev->dev_addr, bp->mac_addr, 6);
	memcpy(dev->perm_addr, bp->mac_addr, 6);
	bp->name = board_info[ent->driver_data].name;

6761
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
6762
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
6763 6764
		dev->features |= NETIF_F_IPV6_CSUM;

6765 6766 6767 6768
#ifdef BCM_VLAN
	dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
#endif
	dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6769 6770
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		dev->features |= NETIF_F_TSO6;
6771

6772
	if ((rc = register_netdev(dev))) {
6773
		dev_err(&pdev->dev, "Cannot register net device\n");
6774 6775 6776 6777 6778 6779 6780 6781 6782
		if (bp->regview)
			iounmap(bp->regview);
		pci_release_regions(pdev);
		pci_disable_device(pdev);
		pci_set_drvdata(pdev, NULL);
		free_netdev(dev);
		return rc;
	}

6783
	printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
6784 6785 6786 6787 6788
		"IRQ %d, ",
		dev->name,
		bp->name,
		((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		((CHIP_ID(bp) & 0x0ff0) >> 4),
6789
		bnx2_bus_string(bp, str),
6790 6791 6792 6793 6794 6795 6796 6797 6798 6799 6800 6801 6802 6803 6804
		dev->base_addr,
		bp->pdev->irq);

	printk("node addr ");
	for (i = 0; i < 6; i++)
		printk("%2.2x", dev->dev_addr[i]);
	printk("\n");

	return 0;
}

static void __devexit
bnx2_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
6805
	struct bnx2 *bp = netdev_priv(dev);
6806

6807 6808
	flush_scheduled_work();

6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820
	unregister_netdev(dev);

	if (bp->regview)
		iounmap(bp->regview);

	free_netdev(dev);
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

static int
6821
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
6822 6823
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
6824
	struct bnx2 *bp = netdev_priv(dev);
6825 6826 6827 6828 6829
	u32 reset_code;

	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
6830
	flush_scheduled_work();
6831 6832 6833
	bnx2_netif_stop(bp);
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
6834
	if (bp->flags & NO_WOL_FLAG)
6835
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
6836
	else if (bp->wol)
6837 6838 6839 6840 6841
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
	bnx2_reset_chip(bp, reset_code);
	bnx2_free_skbs(bp);
6842
	pci_save_state(pdev);
6843
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
6844 6845 6846 6847 6848 6849 6850
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
6851
	struct bnx2 *bp = netdev_priv(dev);
6852 6853 6854 6855

	if (!netif_running(dev))
		return 0;

6856
	pci_restore_state(pdev);
6857
	bnx2_set_power_state(bp, PCI_D0);
6858 6859 6860 6861 6862 6863 6864
	netif_device_attach(dev);
	bnx2_init_nic(bp);
	bnx2_netif_start(bp);
	return 0;
}

static struct pci_driver bnx2_pci_driver = {
6865 6866 6867 6868 6869 6870
	.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,
6871 6872 6873 6874
};

static int __init bnx2_init(void)
{
6875
	return pci_register_driver(&bnx2_pci_driver);
6876 6877 6878 6879 6880 6881 6882 6883 6884 6885 6886 6887
}

static void __exit bnx2_cleanup(void)
{
	pci_unregister_driver(&bnx2_pci_driver);
}

module_init(bnx2_init);
module_exit(bnx2_cleanup);