bnx2.c 183.9 KB
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/* bnx2.c: Broadcom NX2 network driver.
 *
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 * Copyright (c) 2004-2008 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>
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#include <linux/bitops.h>
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#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>
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#include <net/tcp.h>
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#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 FW_BUF_SIZE		0x10000
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#define DRV_MODULE_NAME		"bnx2"
#define PFX DRV_MODULE_NAME	": "
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#define DRV_MODULE_VERSION	"1.7.2"
#define DRV_MODULE_RELDATE	"January 21, 2008"
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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[] =
{
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#define BUFFERED_FLAGS		(BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
#define NONBUFFERED_FLAGS	(BNX2_NV_WREN)
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	/* Slow EEPROM */
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	{0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
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	 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
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	 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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	 NONBUFFERED_FLAGS, 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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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 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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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 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,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 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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	 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
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	 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,
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	 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
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	 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,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
	 "Non-buffered flash (64kB)"},
	/* Fast EEPROM */
	{0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
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	 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
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	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - fast"},
	/* Expansion entry 1001 */
	{0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1001"},
	/* Expansion entry 1010 */
	{0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1010"},
	/* ATMEL AT45DB011B (buffered flash) */
	{0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
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	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
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	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
	 "Buffered flash (128kB)"},
	/* Expansion entry 1100 */
	{0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1100"},
	/* Expansion entry 1101 */
	{0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1101"},
	/* Ateml Expansion entry 1110 */
	{0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
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	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
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	 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1110 (Atmel)"},
	/* ATMEL AT45DB021B (buffered flash) */
	{0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
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	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
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	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
	 "Buffered flash (256kB)"},
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};

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static struct flash_spec flash_5709 = {
	.flags		= BNX2_NV_BUFFERED,
	.page_bits	= BCM5709_FLASH_PAGE_BITS,
	.page_size	= BCM5709_FLASH_PAGE_SIZE,
	.addr_mask	= BCM5709_FLASH_BYTE_ADDR_MASK,
	.total_size	= BUFFERED_FLASH_TOTAL_SIZE*2,
	.name		= "5709 Buffered flash (256kB)",
};

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MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);

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static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_napi *bnapi)
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{
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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.
	 */
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	diff = bp->tx_prod - bnapi->tx_cons;
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	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;

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	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
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		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;
	}

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	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
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		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;

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	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
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		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;

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	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
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		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)
{
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	int i;
	struct bnx2_napi *bnapi;

	for (i = 0; i < bp->irq_nvecs; i++) {
		bnapi = &bp->bnx2_napi[i];
		REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
		       BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
	}
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	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
}

static void
bnx2_enable_int(struct bnx2 *bp)
{
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	int i;
	struct bnx2_napi *bnapi;
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	for (i = 0; i < bp->irq_nvecs; i++) {
		bnapi = &bp->bnx2_napi[i];
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		REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
		       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
		       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
		       bnapi->last_status_idx);
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		REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
		       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
		       bnapi->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)
{
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	int i;

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	atomic_inc(&bp->intr_sem);
	bnx2_disable_int(bp);
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	for (i = 0; i < bp->irq_nvecs; i++)
		synchronize_irq(bp->irq_tbl[i].vector);
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}

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static void
bnx2_napi_disable(struct bnx2 *bp)
{
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	int i;

	for (i = 0; i < bp->irq_nvecs; i++)
		napi_disable(&bp->bnx2_napi[i].napi);
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}

static void
bnx2_napi_enable(struct bnx2 *bp)
{
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	int i;

	for (i = 0; i < bp->irq_nvecs; i++)
		napi_enable(&bp->bnx2_napi[i].napi);
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}

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static void
bnx2_netif_stop(struct bnx2 *bp)
{
	bnx2_disable_int_sync(bp);
	if (netif_running(bp->dev)) {
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		bnx2_napi_disable(bp);
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		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);
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			bnx2_napi_enable(bp);
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			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;
		}
	}
499
	if (bp->status_blk) {
500
		pci_free_consistent(bp->pdev, bp->status_stats_size,
501 502
				    bp->status_blk, bp->status_blk_mapping);
		bp->status_blk = NULL;
503
		bp->stats_blk = NULL;
504 505
	}
	if (bp->tx_desc_ring) {
M
Michael Chan 已提交
506
		pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
507 508 509
				    bp->tx_desc_ring, bp->tx_desc_mapping);
		bp->tx_desc_ring = NULL;
	}
510 511
	kfree(bp->tx_buf_ring);
	bp->tx_buf_ring = NULL;
512 513
	for (i = 0; i < bp->rx_max_ring; i++) {
		if (bp->rx_desc_ring[i])
M
Michael Chan 已提交
514
			pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
515 516 517 518 519
					    bp->rx_desc_ring[i],
					    bp->rx_desc_mapping[i]);
		bp->rx_desc_ring[i] = NULL;
	}
	vfree(bp->rx_buf_ring);
520
	bp->rx_buf_ring = NULL;
521 522 523 524 525 526 527 528 529 530
	for (i = 0; i < bp->rx_max_pg_ring; i++) {
		if (bp->rx_pg_desc_ring[i])
			pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
					    bp->rx_pg_desc_ring[i],
					    bp->rx_pg_desc_mapping[i]);
		bp->rx_pg_desc_ring[i] = NULL;
	}
	if (bp->rx_pg_ring)
		vfree(bp->rx_pg_ring);
	bp->rx_pg_ring = NULL;
531 532 533 534 535
}

static int
bnx2_alloc_mem(struct bnx2 *bp)
{
536
	int i, status_blk_size;
537

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Michael Chan 已提交
538
	bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
539 540 541
	if (bp->tx_buf_ring == NULL)
		return -ENOMEM;

M
Michael Chan 已提交
542
	bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
543 544 545 546
						&bp->tx_desc_mapping);
	if (bp->tx_desc_ring == NULL)
		goto alloc_mem_err;

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Michael Chan 已提交
547
	bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
548 549 550
	if (bp->rx_buf_ring == NULL)
		goto alloc_mem_err;

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Michael Chan 已提交
551
	memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
552 553 554

	for (i = 0; i < bp->rx_max_ring; i++) {
		bp->rx_desc_ring[i] =
M
Michael Chan 已提交
555
			pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
556 557 558 559 560
					     &bp->rx_desc_mapping[i]);
		if (bp->rx_desc_ring[i] == NULL)
			goto alloc_mem_err;

	}
561

562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580
	if (bp->rx_pg_ring_size) {
		bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
					 bp->rx_max_pg_ring);
		if (bp->rx_pg_ring == NULL)
			goto alloc_mem_err;

		memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
		       bp->rx_max_pg_ring);
	}

	for (i = 0; i < bp->rx_max_pg_ring; i++) {
		bp->rx_pg_desc_ring[i] =
			pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
					     &bp->rx_pg_desc_mapping[i]);
		if (bp->rx_pg_desc_ring[i] == NULL)
			goto alloc_mem_err;

	}

581 582
	/* Combine status and statistics blocks into one allocation. */
	status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
583
	if (bp->flags & BNX2_FLAG_MSIX_CAP)
584 585
		status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
						 BNX2_SBLK_MSIX_ALIGN_SIZE);
586 587 588 589
	bp->status_stats_size = status_blk_size +
				sizeof(struct statistics_block);

	bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
590 591 592 593
					      &bp->status_blk_mapping);
	if (bp->status_blk == NULL)
		goto alloc_mem_err;

594
	memset(bp->status_blk, 0, bp->status_stats_size);
595

596
	bp->bnx2_napi[0].status_blk = bp->status_blk;
597
	if (bp->flags & BNX2_FLAG_MSIX_CAP) {
598 599 600
		for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
			struct bnx2_napi *bnapi = &bp->bnx2_napi[i];

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Michael Chan 已提交
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			bnapi->status_blk_msix = (void *)
602 603 604 605 606
				((unsigned long) bp->status_blk +
				 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
			bnapi->int_num = i << 24;
		}
	}
607

608 609
	bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
				  status_blk_size);
610

611
	bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
612

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Michael Chan 已提交
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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;
		}
	}
625 626 627 628 629 630 631
	return 0;

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

632 633 634 635 636
static void
bnx2_report_fw_link(struct bnx2 *bp)
{
	u32 fw_link_status = 0;

637
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
638 639
		return;

640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674
	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;

675 676
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
677 678

			if (!(bmsr & BMSR_ANEGCOMPLETE) ||
679
			    bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
680 681 682 683 684 685 686 687 688 689 690
				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);
}

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691 692 693 694
static char *
bnx2_xceiver_str(struct bnx2 *bp)
{
	return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
695
		((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
M
Michael Chan 已提交
696 697 698
		 "Copper"));
}

699 700 701 702 703
static void
bnx2_report_link(struct bnx2 *bp)
{
	if (bp->link_up) {
		netif_carrier_on(bp->dev);
M
Michael Chan 已提交
704 705
		printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
		       bnx2_xceiver_str(bp));
706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728

		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);
M
Michael Chan 已提交
729 730
		printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
		       bnx2_xceiver_str(bp));
731
	}
732 733

	bnx2_report_fw_link(bp);
734 735 736 737 738 739 740 741
}

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

	bp->flow_ctrl = 0;
742
	if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
743 744 745 746 747 748 749 750 751 752 753 754
		(AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {

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

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

755
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
M
Michael Chan 已提交
756 757 758 759 760 761 762 763 764 765 766
	    (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;
	}

767 768
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
769

770
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811
		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;
		}
	}
}

812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850
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;
}

851
static int
M
Michael Chan 已提交
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
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)
882 883 884 885 886 887
{
	u32 bmcr, local_adv, remote_adv, common;

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

888
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
889 890 891 892 893 894 895 896 897 898 899
	if (bmcr & BMCR_FULLDPLX) {
		bp->duplex = DUPLEX_FULL;
	}
	else {
		bp->duplex = DUPLEX_HALF;
	}

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

900 901
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921

	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;

922
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938
	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 {
939 940
			bnx2_read_phy(bp, bp->mii_adv, &local_adv);
			bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997

			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 |
M
Michael Chan 已提交
998
		BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
M
Michael Chan 已提交
999
		BNX2_EMAC_MODE_25G_MODE);
1000 1001

	if (bp->link_up) {
M
Michael Chan 已提交
1002 1003
		switch (bp->line_speed) {
			case SPEED_10:
M
Michael Chan 已提交
1004 1005
				if (CHIP_NUM(bp) != CHIP_NUM_5706) {
					val |= BNX2_EMAC_MODE_PORT_MII_10M;
M
Michael Chan 已提交
1006 1007 1008 1009 1010 1011 1012
					break;
				}
				/* fall through */
			case SPEED_100:
				val |= BNX2_EMAC_MODE_PORT_MII;
				break;
			case SPEED_2500:
M
Michael Chan 已提交
1013
				val |= BNX2_EMAC_MODE_25G_MODE;
M
Michael Chan 已提交
1014 1015 1016 1017 1018
				/* fall through */
			case SPEED_1000:
				val |= BNX2_EMAC_MODE_PORT_GMII;
				break;
		}
1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049
	}
	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;
}

1050 1051 1052
static void
bnx2_enable_bmsr1(struct bnx2 *bp)
{
1053
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1054 1055 1056 1057 1058 1059 1060 1061
	    (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)
{
1062
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1063 1064 1065 1066 1067
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
}

1068 1069 1070 1071 1072 1073
static int
bnx2_test_and_enable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 1;

1074
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1075 1076 1077 1078 1079
		return 0;

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

1080 1081 1082
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1083 1084 1085 1086 1087 1088 1089
	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;
	}

1090 1091 1092 1093
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1094 1095 1096 1097 1098 1099 1100 1101 1102
	return ret;
}

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

1103
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1104 1105
		return 0;

1106 1107 1108
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1109 1110 1111 1112 1113 1114 1115
	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;
	}

1116 1117 1118 1119
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1120 1121 1122 1123 1124 1125 1126 1127
	return ret;
}

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

1128
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1129 1130
		return;

1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145
	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) {
1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162
		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;

1163
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1164 1165
		return;

1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179
	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) {
1180 1181 1182 1183 1184 1185 1186 1187 1188
		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);
}

1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201
static void
bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
{
	u32 val;

	bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
	bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
	if (start)
		bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
	else
		bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
}

1202 1203 1204 1205 1206 1207
static int
bnx2_set_link(struct bnx2 *bp)
{
	u32 bmsr;
	u8 link_up;

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Michael Chan 已提交
1208
	if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1209 1210 1211 1212
		bp->link_up = 1;
		return 0;
	}

1213
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1214 1215
		return 0;

1216 1217
	link_up = bp->link_up;

1218 1219 1220 1221
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
1222

1223
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1224 1225 1226
	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {
		u32 val;

1227
		if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1228
			bnx2_5706s_force_link_dn(bp, 0);
1229
			bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1230
		}
1231 1232 1233 1234 1235 1236 1237 1238 1239 1240
		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;

1241
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
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1242 1243 1244 1245
			if (CHIP_NUM(bp) == CHIP_NUM_5706)
				bnx2_5706s_linkup(bp);
			else if (CHIP_NUM(bp) == CHIP_NUM_5708)
				bnx2_5708s_linkup(bp);
1246 1247
			else if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bnx2_5709s_linkup(bp);
1248 1249 1250 1251 1252 1253 1254
		}
		else {
			bnx2_copper_linkup(bp);
		}
		bnx2_resolve_flow_ctrl(bp);
	}
	else {
1255
		if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1256 1257
		    (bp->autoneg & AUTONEG_SPEED))
			bnx2_disable_forced_2g5(bp);
1258

1259
		if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1260 1261 1262 1263 1264 1265
			u32 bmcr;

			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
			bmcr |= BMCR_ANENABLE;
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);

1266
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1267
		}
1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285
		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;

1286
        bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1287 1288 1289 1290 1291

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

1292
		bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311
		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)) {

1312
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1313 1314 1315 1316 1317 1318 1319
			adv = ADVERTISE_1000XPAUSE;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1320
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1321 1322 1323 1324 1325 1326 1327
			adv = ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_ASYM;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1328
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1329 1330 1331 1332 1333 1334 1335 1336 1337
			adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
		}
	}
	return adv;
}

1338 1339
static int bnx2_fw_sync(struct bnx2 *, u32, int);

1340
static int
1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398
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)
1399
{
1400
	u32 adv, bmcr;
1401 1402
	u32 new_adv = 0;

1403
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1404 1405
		return (bnx2_setup_remote_phy(bp, port));

1406 1407
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		u32 new_bmcr;
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Michael Chan 已提交
1408 1409
		int force_link_down = 0;

1410 1411 1412 1413 1414 1415 1416
		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;
		}
1417
		bnx2_read_phy(bp, bp->mii_adv, &adv);
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1418 1419
		adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);

1420
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1421
		new_bmcr = bmcr & ~BMCR_ANENABLE;
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Michael Chan 已提交
1422
		new_bmcr |= BMCR_SPEED1000;
1423

1424 1425 1426 1427 1428 1429 1430 1431 1432
		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) {
1433 1434 1435 1436
			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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1437 1438
		}

1439
		if (bp->req_duplex == DUPLEX_FULL) {
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1440
			adv |= ADVERTISE_1000XFULL;
1441 1442 1443
			new_bmcr |= BMCR_FULLDPLX;
		}
		else {
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1444
			adv |= ADVERTISE_1000XHALF;
1445 1446
			new_bmcr &= ~BMCR_FULLDPLX;
		}
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1447
		if ((new_bmcr != bmcr) || (force_link_down)) {
1448 1449
			/* Force a link down visible on the other side */
			if (bp->link_up) {
1450
				bnx2_write_phy(bp, bp->mii_adv, adv &
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Michael Chan 已提交
1451 1452
					       ~(ADVERTISE_1000XFULL |
						 ADVERTISE_1000XHALF));
1453
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1454 1455 1456 1457
					BMCR_ANRESTART | BMCR_ANENABLE);

				bp->link_up = 0;
				netif_carrier_off(bp->dev);
1458
				bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
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Michael Chan 已提交
1459
				bnx2_report_link(bp);
1460
			}
1461 1462
			bnx2_write_phy(bp, bp->mii_adv, adv);
			bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1463 1464 1465
		} else {
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
1466 1467 1468 1469
		}
		return 0;
	}

1470
	bnx2_test_and_enable_2g5(bp);
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1471

1472 1473 1474 1475 1476
	if (bp->advertising & ADVERTISED_1000baseT_Full)
		new_adv |= ADVERTISE_1000XFULL;

	new_adv |= bnx2_phy_get_pause_adv(bp);

1477 1478
	bnx2_read_phy(bp, bp->mii_adv, &adv);
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1479 1480 1481 1482 1483

	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) {
1484
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
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1485 1486 1487
			spin_unlock_bh(&bp->phy_lock);
			msleep(20);
			spin_lock_bh(&bp->phy_lock);
1488 1489
		}

1490 1491
		bnx2_write_phy(bp, bp->mii_adv, new_adv);
		bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1492
			BMCR_ANENABLE);
1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503
		/* 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);
1504 1505 1506
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1507 1508 1509 1510 1511 1512
	}

	return 0;
}

#define ETHTOOL_ALL_FIBRE_SPEED						\
1513
	(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ?			\
1514 1515
		(ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
		(ADVERTISED_1000baseT_Full)
1516 1517 1518 1519 1520 1521 1522 1523

#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)
1524

1525 1526
#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)

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 1570 1571 1572 1573
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;
	}
}

1574 1575 1576
static void
bnx2_set_default_link(struct bnx2 *bp)
{
1577
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1578 1579
		return bnx2_set_default_remote_link(bp);

1580 1581
	bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
	bp->req_line_speed = 0;
1582
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597
		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;
}

M
Michael Chan 已提交
1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611
static void
bnx2_send_heart_beat(struct bnx2 *bp)
{
	u32 msg;
	u32 addr;

	spin_lock(&bp->indirect_lock);
	msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
	addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
	spin_unlock(&bp->indirect_lock);
}

1612 1613 1614 1615 1616 1617 1618 1619 1620
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);

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Michael Chan 已提交
1621 1622 1623 1624 1625
	if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
		bnx2_send_heart_beat(bp);

	msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;

1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702
	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:
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Michael Chan 已提交
1703
			bnx2_send_heart_beat(bp);
1704 1705 1706 1707 1708
			break;
	}
	return 0;
}

1709 1710 1711 1712 1713 1714
static int
bnx2_setup_copper_phy(struct bnx2 *bp)
{
	u32 bmcr;
	u32 new_bmcr;

1715
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1716 1717 1718 1719 1720 1721

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

1722
		bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738
		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;
1739

1740 1741 1742 1743 1744 1745 1746 1747
		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)) {

1748
			bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1749
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1750
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772
				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;

1773 1774
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1775

1776 1777
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
1778
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1779 1780 1781 1782
			spin_unlock_bh(&bp->phy_lock);
			msleep(50);
			spin_lock_bh(&bp->phy_lock);

1783 1784
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1785 1786
		}

1787
		bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798

		/* 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);
		}
1799 1800 1801
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1802 1803 1804 1805 1806
	}
	return 0;
}

static int
1807
bnx2_setup_phy(struct bnx2 *bp, u8 port)
1808 1809 1810 1811
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

1812
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1813
		return (bnx2_setup_serdes_phy(bp, port));
1814 1815 1816 1817 1818 1819
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846
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);
1847
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868
		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;
}

1869
static int
M
Michael Chan 已提交
1870 1871 1872 1873
bnx2_init_5708s_phy(struct bnx2 *bp)
{
	u32 val;

1874 1875 1876 1877
	bnx2_reset_phy(bp);

	bp->mii_up1 = BCM5708S_UP1;

M
Michael Chan 已提交
1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889
	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);

1890
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
M
Michael Chan 已提交
1891 1892 1893 1894 1895 1896
		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
1897 1898
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
1899 1900 1901 1902 1903 1904 1905 1906 1907
		/* 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);
	}

1908
	val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
M
Michael Chan 已提交
1909 1910 1911 1912 1913
	      BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;

	if (val) {
		u32 is_backplane;

1914
		is_backplane = REG_RD_IND(bp, bp->shmem_base +
M
Michael Chan 已提交
1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928
					  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)
1929
{
1930 1931
	bnx2_reset_phy(bp);

1932
	bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1933

M
Michael Chan 已提交
1934 1935
	if (CHIP_NUM(bp) == CHIP_NUM_5706)
        	REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966

	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
1967 1968
	u32 val;

1969 1970
	bnx2_reset_phy(bp);

1971
	if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
1972 1973 1974 1975 1976 1977 1978 1979 1980 1981
		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);
	}

1982
	if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
1983 1984 1985 1986 1987 1988 1989
		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);
	}

1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
	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
2008 2009 2010 2011
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
	return 0;
}


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

2022 2023
	bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
	bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2024

2025 2026
	bp->mii_bmcr = MII_BMCR;
	bp->mii_bmsr = MII_BMSR;
2027
	bp->mii_bmsr1 = MII_BMSR;
2028 2029 2030
	bp->mii_adv = MII_ADVERTISE;
	bp->mii_lpa = MII_LPA;

2031 2032
        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

2033
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2034 2035
		goto setup_phy;

2036 2037 2038 2039 2040
	bnx2_read_phy(bp, MII_PHYSID1, &val);
	bp->phy_id = val << 16;
	bnx2_read_phy(bp, MII_PHYSID2, &val);
	bp->phy_id |= val & 0xffff;

2041
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
M
Michael Chan 已提交
2042 2043 2044 2045
		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);
2046 2047
		else if (CHIP_NUM(bp) == CHIP_NUM_5709)
			rc = bnx2_init_5709s_phy(bp);
2048 2049 2050 2051 2052
	}
	else {
		rc = bnx2_init_copper_phy(bp);
	}

2053 2054 2055
setup_phy:
	if (!rc)
		rc = bnx2_setup_phy(bp, bp->phy_port);
2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072

	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
2073 2074 2075 2076 2077 2078 2079 2080 2081
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);
2082
	rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
M
Michael Chan 已提交
2083 2084 2085 2086 2087 2088 2089 2090
			    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
2091
		msleep(100);
M
Michael Chan 已提交
2092 2093 2094 2095 2096
	}

	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
2097
		      BNX2_EMAC_MODE_25G_MODE);
M
Michael Chan 已提交
2098 2099 2100 2101 2102 2103 2104

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

2105
static int
2106
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
2107 2108 2109 2110 2111 2112 2113
{
	int i;
	u32 val;

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

2114
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
2115 2116

	/* wait for an acknowledgement. */
2117 2118
	for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
		msleep(10);
2119

2120
		val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
2121 2122 2123 2124

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
2125 2126
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
2127 2128

	/* If we timed out, inform the firmware that this is the case. */
2129 2130 2131 2132
	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);
2133 2134 2135 2136

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

2137
		REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
2138 2139 2140 2141

		return -EBUSY;
	}

2142 2143 2144
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

2145 2146 2147
	return 0;
}

M
Michael Chan 已提交
2148 2149 2150 2151 2152 2153 2154 2155 2156
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);
2157 2158 2159 2160 2161 2162 2163 2164 2165
	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
2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190
	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;
}

2191 2192 2193 2194 2195 2196 2197 2198
static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;
2199
		int i;
2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219

		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;
		}

2220 2221 2222
		for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
			vcid_addr += (i << PHY_CTX_SHIFT);
			pcid_addr += (i << PHY_CTX_SHIFT);
2223

2224
			REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2225
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2226

2227 2228
			/* Zero out the context. */
			for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2229
				CTX_WR(bp, vcid_addr, offset, 0);
2230
		}
2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285
	}
}

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
2286
bnx2_set_mac_addr(struct bnx2 *bp)
2287 2288 2289 2290 2291 2292 2293 2294
{
	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);

2295
	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2296 2297 2298 2299 2300
		(mac_addr[4] << 8) | mac_addr[5];

	REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
}

2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336
static inline int
bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
{
	dma_addr_t mapping;
	struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
	struct rx_bd *rxbd =
		&bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
	struct page *page = alloc_page(GFP_ATOMIC);

	if (!page)
		return -ENOMEM;
	mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
			       PCI_DMA_FROMDEVICE);
	rx_pg->page = page;
	pci_unmap_addr_set(rx_pg, mapping, mapping);
	rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
	rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
	return 0;
}

static void
bnx2_free_rx_page(struct bnx2 *bp, u16 index)
{
	struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
	struct page *page = rx_pg->page;

	if (!page)
		return;

	pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
		       PCI_DMA_FROMDEVICE);

	__free_page(page);
	rx_pg->page = NULL;
}

2337
static inline int
2338
bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
2339 2340 2341 2342
{
	struct sk_buff *skb;
	struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
	dma_addr_t mapping;
2343
	struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2344 2345
	unsigned long align;

2346
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2347 2348 2349 2350
	if (skb == NULL) {
		return -ENOMEM;
	}

M
Michael Chan 已提交
2351 2352
	if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
		skb_reserve(skb, BNX2_RX_ALIGN - align);
2353 2354 2355 2356 2357 2358 2359 2360 2361 2362

	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;

2363
	bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2364 2365 2366 2367

	return 0;
}

2368
static int
2369
bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2370
{
2371
	struct status_block *sblk = bnapi->status_blk;
2372
	u32 new_link_state, old_link_state;
2373
	int is_set = 1;
2374

2375 2376
	new_link_state = sblk->status_attn_bits & event;
	old_link_state = sblk->status_attn_bits_ack & event;
2377
	if (new_link_state != old_link_state) {
2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388
		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
2389
bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2390
{
2391
	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) {
2392
		spin_lock(&bp->phy_lock);
2393
		bnx2_set_link(bp);
2394
		spin_unlock(&bp->phy_lock);
2395
	}
2396
	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2397 2398
		bnx2_set_remote_link(bp);

2399 2400
}

2401
static inline u16
2402
bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2403 2404 2405
{
	u16 cons;

2406 2407 2408 2409
	if (bnapi->int_num == 0)
		cons = bnapi->status_blk->status_tx_quick_consumer_index0;
	else
		cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
2410 2411 2412 2413 2414 2415

	if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
		cons++;
	return cons;
}

M
Michael Chan 已提交
2416 2417
static int
bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2418 2419
{
	u16 hw_cons, sw_cons, sw_ring_cons;
M
Michael Chan 已提交
2420
	int tx_pkt = 0;
2421

2422
	hw_cons = bnx2_get_hw_tx_cons(bnapi);
2423
	sw_cons = bnapi->tx_cons;
2424 2425 2426 2427 2428 2429 2430 2431 2432 2433

	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
2434

2435
		/* partial BD completions possible with TSO packets */
H
Herbert Xu 已提交
2436
		if (skb_is_gso(skb)) {
2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449
			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
2450

2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469
		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);

2470
		dev_kfree_skb(skb);
M
Michael Chan 已提交
2471 2472 2473
		tx_pkt++;
		if (tx_pkt == budget)
			break;
2474

2475
		hw_cons = bnx2_get_hw_tx_cons(bnapi);
2476 2477
	}

2478 2479
	bnapi->hw_tx_cons = hw_cons;
	bnapi->tx_cons = sw_cons;
M
Michael Chan 已提交
2480 2481 2482 2483 2484 2485
	/* 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();
2486

M
Michael Chan 已提交
2487
	if (unlikely(netif_queue_stopped(bp->dev)) &&
2488
		     (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
M
Michael Chan 已提交
2489
		netif_tx_lock(bp->dev);
2490
		if ((netif_queue_stopped(bp->dev)) &&
2491
		    (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
2492
			netif_wake_queue(bp->dev);
M
Michael Chan 已提交
2493
		netif_tx_unlock(bp->dev);
2494
	}
M
Michael Chan 已提交
2495
	return tx_pkt;
2496 2497
}

2498
static void
2499 2500
bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
			struct sk_buff *skb, int count)
2501 2502 2503 2504 2505
{
	struct sw_pg *cons_rx_pg, *prod_rx_pg;
	struct rx_bd *cons_bd, *prod_bd;
	dma_addr_t mapping;
	int i;
2506 2507
	u16 hw_prod = bnapi->rx_pg_prod, prod;
	u16 cons = bnapi->rx_pg_cons;
2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543

	for (i = 0; i < count; i++) {
		prod = RX_PG_RING_IDX(hw_prod);

		prod_rx_pg = &bp->rx_pg_ring[prod];
		cons_rx_pg = &bp->rx_pg_ring[cons];
		cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
		prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];

		if (i == 0 && skb) {
			struct page *page;
			struct skb_shared_info *shinfo;

			shinfo = skb_shinfo(skb);
			shinfo->nr_frags--;
			page = shinfo->frags[shinfo->nr_frags].page;
			shinfo->frags[shinfo->nr_frags].page = NULL;
			mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
					       PCI_DMA_FROMDEVICE);
			cons_rx_pg->page = page;
			pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
			dev_kfree_skb(skb);
		}
		if (prod != cons) {
			prod_rx_pg->page = cons_rx_pg->page;
			cons_rx_pg->page = NULL;
			pci_unmap_addr_set(prod_rx_pg, mapping,
				pci_unmap_addr(cons_rx_pg, mapping));

			prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
			prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;

		}
		cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
		hw_prod = NEXT_RX_BD(hw_prod);
	}
2544 2545
	bnapi->rx_pg_prod = hw_prod;
	bnapi->rx_pg_cons = cons;
2546 2547
}

2548
static inline void
2549
bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2550 2551
	u16 cons, u16 prod)
{
2552 2553 2554 2555 2556
	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];
2557 2558 2559 2560 2561

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

2562
	bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2563

2564
	prod_rx_buf->skb = skb;
2565

2566 2567
	if (cons == prod)
		return;
2568

2569 2570 2571
	pci_unmap_addr_set(prod_rx_buf, mapping,
			pci_unmap_addr(cons_rx_buf, mapping));

2572 2573
	cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2574 2575
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2576 2577
}

2578
static int
2579 2580 2581
bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
	    unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
	    u32 ring_idx)
2582 2583 2584 2585
{
	int err;
	u16 prod = ring_idx & 0xffff;

2586
	err = bnx2_alloc_rx_skb(bp, bnapi, prod);
2587
	if (unlikely(err)) {
2588
		bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
2589 2590 2591 2592
		if (hdr_len) {
			unsigned int raw_len = len + 4;
			int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;

2593
			bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
2594
		}
2595 2596 2597 2598 2599 2600 2601
		return err;
	}

	skb_reserve(skb, bp->rx_offset);
	pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
			 PCI_DMA_FROMDEVICE);

2602 2603 2604 2605 2606 2607
	if (hdr_len == 0) {
		skb_put(skb, len);
		return 0;
	} else {
		unsigned int i, frag_len, frag_size, pages;
		struct sw_pg *rx_pg;
2608 2609
		u16 pg_cons = bnapi->rx_pg_cons;
		u16 pg_prod = bnapi->rx_pg_prod;
2610 2611 2612 2613 2614 2615 2616 2617 2618 2619

		frag_size = len + 4 - hdr_len;
		pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
		skb_put(skb, hdr_len);

		for (i = 0; i < pages; i++) {
			frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
			if (unlikely(frag_len <= 4)) {
				unsigned int tail = 4 - frag_len;

2620 2621 2622 2623
				bnapi->rx_pg_cons = pg_cons;
				bnapi->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
							pages - i);
2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648
				skb->len -= tail;
				if (i == 0) {
					skb->tail -= tail;
				} else {
					skb_frag_t *frag =
						&skb_shinfo(skb)->frags[i - 1];
					frag->size -= tail;
					skb->data_len -= tail;
					skb->truesize -= tail;
				}
				return 0;
			}
			rx_pg = &bp->rx_pg_ring[pg_cons];

			pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);

			if (i == pages - 1)
				frag_len -= 4;

			skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
			rx_pg->page = NULL;

			err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
			if (unlikely(err)) {
2649 2650 2651 2652
				bnapi->rx_pg_cons = pg_cons;
				bnapi->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
							pages - i);
2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663
				return err;
			}

			frag_size -= frag_len;
			skb->data_len += frag_len;
			skb->truesize += frag_len;
			skb->len += frag_len;

			pg_prod = NEXT_RX_BD(pg_prod);
			pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
		}
2664 2665
		bnapi->rx_pg_prod = pg_prod;
		bnapi->rx_pg_cons = pg_cons;
2666
	}
2667 2668 2669
	return 0;
}

M
Michael Chan 已提交
2670
static inline u16
2671
bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
2672
{
2673
	u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
M
Michael Chan 已提交
2674 2675 2676 2677 2678 2679

	if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
		cons++;
	return cons;
}

2680
static int
2681
bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2682 2683 2684
{
	u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
	struct l2_fhdr *rx_hdr;
2685
	int rx_pkt = 0, pg_ring_used = 0;
2686

2687
	hw_cons = bnx2_get_hw_rx_cons(bnapi);
2688 2689
	sw_cons = bnapi->rx_cons;
	sw_prod = bnapi->rx_prod;
2690 2691 2692 2693 2694 2695

	/* 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) {
2696
		unsigned int len, hdr_len;
2697
		u32 status;
2698 2699
		struct sw_bd *rx_buf;
		struct sk_buff *skb;
2700
		dma_addr_t dma_addr;
2701 2702 2703 2704 2705 2706

		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;
2707 2708 2709 2710 2711 2712

		rx_buf->skb = NULL;

		dma_addr = pci_unmap_addr(rx_buf, mapping);

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2713 2714 2715
			bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);

		rx_hdr = (struct l2_fhdr *) skb->data;
2716
		len = rx_hdr->l2_fhdr_pkt_len;
2717

2718
		if ((status = rx_hdr->l2_fhdr_status) &
2719 2720 2721 2722 2723 2724
			(L2_FHDR_ERRORS_BAD_CRC |
			L2_FHDR_ERRORS_PHY_DECODE |
			L2_FHDR_ERRORS_ALIGNMENT |
			L2_FHDR_ERRORS_TOO_SHORT |
			L2_FHDR_ERRORS_GIANT_FRAME)) {

2725 2726
			bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
					  sw_ring_prod);
2727
			goto next_rx;
2728
		}
2729 2730 2731 2732 2733 2734 2735 2736 2737 2738
		hdr_len = 0;
		if (status & L2_FHDR_STATUS_SPLIT) {
			hdr_len = rx_hdr->l2_fhdr_ip_xsum;
			pg_ring_used = 1;
		} else if (len > bp->rx_jumbo_thresh) {
			hdr_len = bp->rx_jumbo_thresh;
			pg_ring_used = 1;
		}

		len -= 4;
2739

2740
		if (len <= bp->rx_copy_thresh) {
2741 2742
			struct sk_buff *new_skb;

2743
			new_skb = netdev_alloc_skb(bp->dev, len + 2);
2744
			if (new_skb == NULL) {
2745
				bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2746 2747 2748
						  sw_ring_prod);
				goto next_rx;
			}
2749 2750

			/* aligned copy */
2751 2752
			skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
				      new_skb->data, len + 2);
2753 2754 2755
			skb_reserve(new_skb, 2);
			skb_put(new_skb, len);

2756
			bnx2_reuse_rx_skb(bp, bnapi, skb,
2757 2758 2759
				sw_ring_cons, sw_ring_prod);

			skb = new_skb;
2760 2761
		} else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
			   dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2762 2763 2764 2765 2766
			goto next_rx;

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

		if ((len > (bp->dev->mtu + ETH_HLEN)) &&
A
Alexey Dobriyan 已提交
2767
			(ntohs(skb->protocol) != 0x8100)) {
2768

2769
			dev_kfree_skb(skb);
2770 2771 2772 2773 2774 2775 2776 2777 2778
			goto next_rx;

		}

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

2779 2780
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2781 2782 2783 2784
				skb->ip_summed = CHECKSUM_UNNECESSARY;
		}

#ifdef BCM_VLAN
A
Al Viro 已提交
2785
		if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801
			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
2802 2803 2804

		/* Refresh hw_cons to see if there is new work */
		if (sw_cons == hw_cons) {
2805
			hw_cons = bnx2_get_hw_rx_cons(bnapi);
M
Michael Chan 已提交
2806 2807
			rmb();
		}
2808
	}
2809 2810
	bnapi->rx_cons = sw_cons;
	bnapi->rx_prod = sw_prod;
2811

2812 2813
	if (pg_ring_used)
		REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2814
			 bnapi->rx_pg_prod);
2815

2816 2817
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);

2818
	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829

	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
2830
bnx2_msi(int irq, void *dev_instance)
2831 2832
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2833
	struct bnx2 *bp = netdev_priv(dev);
2834
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2835

2836
	prefetch(bnapi->status_blk);
2837 2838 2839 2840 2841
	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. */
2842 2843
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2844

2845
	netif_rx_schedule(dev, &bnapi->napi);
2846

2847
	return IRQ_HANDLED;
2848 2849
}

2850 2851 2852 2853 2854
static irqreturn_t
bnx2_msi_1shot(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2 *bp = netdev_priv(dev);
2855
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2856

2857
	prefetch(bnapi->status_blk);
2858 2859 2860 2861 2862

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

2863
	netif_rx_schedule(dev, &bnapi->napi);
2864 2865 2866 2867

	return IRQ_HANDLED;
}

2868
static irqreturn_t
2869
bnx2_interrupt(int irq, void *dev_instance)
2870 2871
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2872
	struct bnx2 *bp = netdev_priv(dev);
2873
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2874
	struct status_block *sblk = bnapi->status_blk;
2875 2876 2877 2878 2879 2880 2881

	/* 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.
	 */
2882
	if ((sblk->status_idx == bnapi->last_status_idx) &&
2883 2884
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2885
		return IRQ_NONE;
2886 2887 2888 2889 2890

	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

2891 2892 2893 2894 2895
	/* Read back to deassert IRQ immediately to avoid too many
	 * spurious interrupts.
	 */
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);

2896
	/* Return here if interrupt is shared and is disabled. */
2897 2898
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2899

2900 2901 2902
	if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
		bnapi->last_status_idx = sblk->status_idx;
		__netif_rx_schedule(dev, &bnapi->napi);
2903
	}
2904

2905
	return IRQ_HANDLED;
2906 2907
}

M
Michael Chan 已提交
2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924
static irqreturn_t
bnx2_tx_msix(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2 *bp = netdev_priv(dev);
	struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];

	prefetch(bnapi->status_blk_msix);

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

	netif_rx_schedule(dev, &bnapi->napi);
	return IRQ_HANDLED;
}

2925 2926
#define STATUS_ATTN_EVENTS	(STATUS_ATTN_BITS_LINK_STATE | \
				 STATUS_ATTN_BITS_TIMER_ABORT)
2927

M
Michael Chan 已提交
2928
static inline int
2929
bnx2_has_work(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
2930
{
2931
	struct status_block *sblk = bnapi->status_blk;
M
Michael Chan 已提交
2932

2933
	if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
2934
	    (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
M
Michael Chan 已提交
2935 2936
		return 1;

2937 2938
	if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
M
Michael Chan 已提交
2939 2940 2941 2942 2943
		return 1;

	return 0;
}

M
Michael Chan 已提交
2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966
static int bnx2_tx_poll(struct napi_struct *napi, int budget)
{
	struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
	struct bnx2 *bp = bnapi->bp;
	int work_done = 0;
	struct status_block_msix *sblk = bnapi->status_blk_msix;

	do {
		work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
		if (unlikely(work_done >= budget))
			return work_done;

		bnapi->last_status_idx = sblk->status_idx;
		rmb();
	} while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);

	netif_rx_complete(bp->dev, napi);
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
	       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
	       bnapi->last_status_idx);
	return work_done;
}

2967 2968
static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
			  int work_done, int budget)
2969
{
2970
	struct status_block *sblk = bnapi->status_blk;
2971 2972
	u32 status_attn_bits = sblk->status_attn_bits;
	u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
2973

2974 2975
	if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
2976

2977
		bnx2_phy_int(bp, bnapi);
M
Michael Chan 已提交
2978 2979 2980 2981 2982 2983 2984

		/* 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);
2985 2986
	}

2987
	if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
M
Michael Chan 已提交
2988
		bnx2_tx_int(bp, bnapi, 0);
2989

2990
	if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
2991
		work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
2992

2993 2994 2995 2996 2997
	return work_done;
}

static int bnx2_poll(struct napi_struct *napi, int budget)
{
2998 2999
	struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
	struct bnx2 *bp = bnapi->bp;
3000
	int work_done = 0;
3001
	struct status_block *sblk = bnapi->status_blk;
3002 3003

	while (1) {
3004
		work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
M
Michael Chan 已提交
3005

3006 3007 3008
		if (unlikely(work_done >= budget))
			break;

3009
		/* bnapi->last_status_idx is used below to tell the hw how
M
Michael Chan 已提交
3010 3011 3012
		 * much work has been processed, so we must read it before
		 * checking for more work.
		 */
3013
		bnapi->last_status_idx = sblk->status_idx;
M
Michael Chan 已提交
3014
		rmb();
3015
		if (likely(!bnx2_has_work(bnapi))) {
3016
			netif_rx_complete(bp->dev, napi);
3017
			if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3018 3019
				REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
				       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3020
				       bnapi->last_status_idx);
M
Michael Chan 已提交
3021
				break;
3022
			}
3023 3024
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3025
			       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3026
			       bnapi->last_status_idx);
3027

3028 3029
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3030
			       bnapi->last_status_idx);
3031 3032
			break;
		}
3033 3034
	}

3035
	return work_done;
3036 3037
}

H
Herbert Xu 已提交
3038
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
3039 3040 3041 3042 3043
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
3044
	struct bnx2 *bp = netdev_priv(dev);
3045 3046 3047
	u32 rx_mode, sort_mode;
	int i;

3048
	spin_lock_bh(&bp->phy_lock);
3049 3050 3051 3052 3053

	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
3054
	if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
3055 3056
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
3057
	if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
M
Michael Chan 已提交
3058
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3059 3060 3061 3062
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
M
Michael Chan 已提交
3063 3064
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109
	}
	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);

3110
	spin_unlock_bh(&bp->phy_lock);
3111 3112 3113
}

static void
A
Al Viro 已提交
3114
load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3115 3116 3117 3118 3119 3120 3121
	u32 rv2p_proc)
{
	int i;
	u32 val;


	for (i = 0; i < rv2p_code_len; i += 8) {
A
Al Viro 已提交
3122
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3123
		rv2p_code++;
A
Al Viro 已提交
3124
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145
		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);
	}
}

3146
static int
3147 3148 3149 3150
load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
{
	u32 offset;
	u32 val;
3151
	int rc;
3152 3153 3154 3155 3156 3157 3158 3159 3160

	/* 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);
3161
	if (fw->gz_text) {
3162 3163
		int j;

M
Michael Chan 已提交
3164 3165 3166
		rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
				       fw->gz_text_len);
		if (rc < 0)
D
Denys Vlasenko 已提交
3167
			return rc;
M
Michael Chan 已提交
3168

3169
		for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
A
Al Viro 已提交
3170
			REG_WR_IND(bp, offset, le32_to_cpu(fw->text[j]));
3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185
	        }
	}

	/* 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);
M
Michael Chan 已提交
3186
	if (fw->sbss_len) {
3187 3188 3189
		int j;

		for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
M
Michael Chan 已提交
3190
			REG_WR_IND(bp, offset, 0);
3191 3192 3193 3194 3195
		}
	}

	/* Load the BSS area. */
	offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
M
Michael Chan 已提交
3196
	if (fw->bss_len) {
3197 3198 3199
		int j;

		for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
M
Michael Chan 已提交
3200
			REG_WR_IND(bp, offset, 0);
3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223
		}
	}

	/* 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);
3224 3225

	return 0;
3226 3227
}

3228
static int
3229 3230 3231
bnx2_init_cpus(struct bnx2 *bp)
{
	struct cpu_reg cpu_reg;
3232
	struct fw_info *fw;
3233 3234
	int rc, rv2p_len;
	void *text, *rv2p;
3235 3236

	/* Initialize the RV2P processor. */
D
Denys Vlasenko 已提交
3237 3238 3239
	text = vmalloc(FW_BUF_SIZE);
	if (!text)
		return -ENOMEM;
3240 3241 3242 3243 3244 3245 3246 3247
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rv2p = bnx2_xi_rv2p_proc1;
		rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
	} else {
		rv2p = bnx2_rv2p_proc1;
		rv2p_len = sizeof(bnx2_rv2p_proc1);
	}
	rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
M
Michael Chan 已提交
3248
	if (rc < 0)
3249
		goto init_cpu_err;
M
Michael Chan 已提交
3250

D
Denys Vlasenko 已提交
3251
	load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3252

3253 3254 3255 3256 3257 3258 3259 3260
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rv2p = bnx2_xi_rv2p_proc2;
		rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
	} else {
		rv2p = bnx2_rv2p_proc2;
		rv2p_len = sizeof(bnx2_rv2p_proc2);
	}
	rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
M
Michael Chan 已提交
3261
	if (rc < 0)
3262
		goto init_cpu_err;
M
Michael Chan 已提交
3263

D
Denys Vlasenko 已提交
3264
	load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278

	/* 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;
3279

M
Michael Chan 已提交
3280 3281 3282 3283
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_rxp_fw_09;
	else
		fw = &bnx2_rxp_fw_06;
3284

M
Michael Chan 已提交
3285
	fw->text = text;
3286
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3287 3288 3289
	if (rc)
		goto init_cpu_err;

3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302
	/* 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;
3303

M
Michael Chan 已提交
3304 3305 3306 3307
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_txp_fw_09;
	else
		fw = &bnx2_txp_fw_06;
3308

M
Michael Chan 已提交
3309
	fw->text = text;
3310
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3311 3312 3313
	if (rc)
		goto init_cpu_err;

3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326
	/* 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;
3327

M
Michael Chan 已提交
3328 3329 3330 3331
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_tpat_fw_09;
	else
		fw = &bnx2_tpat_fw_06;
3332

M
Michael Chan 已提交
3333
	fw->text = text;
3334
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3335 3336 3337
	if (rc)
		goto init_cpu_err;

3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350
	/* 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;
3351

M
Michael Chan 已提交
3352 3353 3354 3355
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_com_fw_09;
	else
		fw = &bnx2_com_fw_06;
3356

M
Michael Chan 已提交
3357
	fw->text = text;
3358
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3359 3360 3361
	if (rc)
		goto init_cpu_err;

M
Michael Chan 已提交
3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374
	/* 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;
3375

3376
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
M
Michael Chan 已提交
3377
		fw = &bnx2_cp_fw_09;
3378 3379 3380 3381 3382
	else
		fw = &bnx2_cp_fw_06;

	fw->text = text;
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3383

3384
init_cpu_err:
M
Michael Chan 已提交
3385
	vfree(text);
3386
	return rc;
3387 3388 3389
}

static int
3390
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3391 3392 3393 3394 3395 3396
{
	u16 pmcsr;

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

	switch (state) {
3397
	case PCI_D0: {
3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417
		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;
	}
3418
	case PCI_D3hot: {
3419 3420 3421 3422 3423 3424 3425 3426 3427 3428
		int i;
		u32 val, wol_msg;

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

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

M
Michael Chan 已提交
3429 3430 3431 3432 3433 3434 3435 3436
			if (bp->phy_port == PORT_TP) {
				bp->autoneg = AUTONEG_SPEED;
				bp->advertising = ADVERTISED_10baseT_Half |
					ADVERTISED_10baseT_Full |
					ADVERTISED_100baseT_Half |
					ADVERTISED_100baseT_Full |
					ADVERTISED_Autoneg;
			}
3437

M
Michael Chan 已提交
3438 3439 3440
			spin_lock_bh(&bp->phy_lock);
			bnx2_setup_phy(bp, bp->phy_port);
			spin_unlock_bh(&bp->phy_lock);
3441 3442 3443 3444 3445 3446 3447 3448 3449 3450

			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;
M
Michael Chan 已提交
3451
			val |= BNX2_EMAC_MODE_MPKT_RCVD |
3452 3453
			       BNX2_EMAC_MODE_ACPI_RCVD |
			       BNX2_EMAC_MODE_MPKT;
M
Michael Chan 已提交
3454 3455 3456 3457 3458 3459 3460
			if (bp->phy_port == PORT_TP)
				val |= BNX2_EMAC_MODE_PORT_MII;
			else {
				val |= BNX2_EMAC_MODE_PORT_GMII;
				if (bp->line_speed == SPEED_2500)
					val |= BNX2_EMAC_MODE_25G_MODE;
			}
3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494

			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;
		}

3495
		if (!(bp->flags & BNX2_FLAG_NO_WOL))
M
Michael Chan 已提交
3496
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 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

		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);

M
Michael Chan 已提交
3580
	if (bp->flash_info->flags & BNX2_NV_WREN) {
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
		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. */
3618
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3619 3620 3621 3622 3623 3624 3625 3626 3627 3628
	       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. */
3629
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3630 3631 3632 3633 3634 3635 3636 3637 3638 3639
		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;

M
Michael Chan 已提交
3640
	if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682
		/* 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;

M
Michael Chan 已提交
3683 3684
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706
		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) {
A
Al Viro 已提交
3707 3708
			__be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
			memcpy(ret_val, &v, 4);
3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721
			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)
{
A
Al Viro 已提交
3722 3723
	u32 cmd;
	__be32 val32;
3724 3725 3726 3727 3728
	int j;

	/* Build the command word. */
	cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;

M
Michael Chan 已提交
3729 3730
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741
		offset = ((offset / bp->flash_info->page_size) <<
			  bp->flash_info->page_bits) +
			 (offset % bp->flash_info->page_size);
	}

	/* Need to clear DONE bit separately. */
	REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);

	memcpy(&val32, val, 4);

	/* Write the data. */
A
Al Viro 已提交
3742
	REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766

	/* 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;
M
Michael Chan 已提交
3767
	int j, entry_count, rc = 0;
3768 3769
	struct flash_spec *flash;

M
Michael Chan 已提交
3770 3771 3772 3773 3774
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->flash_info = &flash_5709;
		goto get_flash_size;
	}

3775 3776 3777
	/* Determine the selected interface. */
	val = REG_RD(bp, BNX2_NVM_CFG1);

3778
	entry_count = ARRAY_SIZE(flash_table);
3779 3780 3781 3782 3783

	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
3784 3785 3786
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3787 3788 3789 3790 3791 3792
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
3793
		u32 mask;
3794 3795
		/* Not yet been reconfigured */

3796 3797 3798 3799 3800
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

3801 3802 3803
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

3804
			if ((val & mask) == (flash->strapping & mask)) {
3805 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
				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;
3831
		printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
M
Michael Chan 已提交
3832
		return -ENODEV;
3833 3834
	}

M
Michael Chan 已提交
3835
get_flash_size:
M
Michael Chan 已提交
3836 3837 3838 3839 3840 3841 3842
	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;

3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960
	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;
3961
	u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
3962 3963 3964 3965 3966 3967 3968 3969 3970 3971
	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
3972 3973 3974
		len32 += align_start;
		if (len32 < 4)
			len32 = 4;
3975 3976 3977 3978 3979
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
M
Michael Chan 已提交
3980 3981 3982 3983
		align_end = 4 - (len32 & 3);
		len32 += align_end;
		if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
			return rc;
3984 3985 3986
	}

	if (align_start || align_end) {
3987 3988
		align_buf = kmalloc(len32, GFP_KERNEL);
		if (align_buf == NULL)
3989 3990
			return -ENOMEM;
		if (align_start) {
3991
			memcpy(align_buf, start, 4);
3992 3993
		}
		if (align_end) {
3994
			memcpy(align_buf + len32 - 4, end, 4);
3995
		}
3996 3997
		memcpy(align_buf + align_start, data_buf, buf_size);
		buf = align_buf;
3998 3999
	}

M
Michael Chan 已提交
4000
	if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4001 4002 4003 4004 4005 4006 4007
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021
	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 */
4022
		data_end = (page_end > offset32 + len32) ?
4023 4024 4025 4026 4027 4028 4029 4030 4031 4032
			(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;
M
Michael Chan 已提交
4033
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4034 4035 4036 4037 4038 4039 4040 4041 4042
			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,
4043 4044
					page_start + j,
					&flash_buffer[j],
4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060
					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;
M
Michael Chan 已提交
4061
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
M
Michael Chan 已提交
4062 4063 4064 4065 4066 4067 4068
			/* 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);

4069 4070
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
4071

4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082
				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 */
4083
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4084
			if ((addr == page_end - 4) ||
M
Michael Chan 已提交
4085
				((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101
				 (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 */
M
Michael Chan 已提交
4102
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4103 4104
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
4105

4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130
				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:
4131 4132
	kfree(flash_buffer);
	kfree(align_buf);
4133 4134 4135
	return rc;
}

4136 4137 4138 4139 4140
static void
bnx2_init_remote_phy(struct bnx2 *bp)
{
	u32 val;

4141 4142
	bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
	if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
4143 4144 4145 4146 4147 4148 4149
		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) {
4150
		bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4151 4152 4153 4154 4155 4156

		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;
4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172

		if (netif_running(bp->dev)) {
			u32 sig;

			if (val & BNX2_LINK_STATUS_LINK_UP) {
				bp->link_up = 1;
				netif_carrier_on(bp->dev);
			} else {
				bp->link_up = 0;
				netif_carrier_off(bp->dev);
			}
			sig = BNX2_DRV_ACK_CAP_SIGNATURE |
			      BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
			REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_ACK_CAP_MB,
				   sig);
		}
4173 4174 4175
	}
}

4176 4177 4178 4179 4180 4181 4182 4183 4184
static void
bnx2_setup_msix_tbl(struct bnx2 *bp)
{
	REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);

	REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
	REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
}

4185 4186 4187 4188 4189
static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;
4190
	u8 old_port;
4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201

	/* 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);

4202 4203 4204
	/* 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);

4205 4206
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
4207
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
4208 4209 4210 4211 4212 4213
		   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);

4214 4215 4216 4217
	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);
4218

4219 4220
		val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4221

4222
		pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4223

4224 4225 4226 4227 4228 4229 4230 4231
	} 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);

4232 4233 4234 4235
		/* Reading back any register after chip reset will hang the
		 * bus on 5706 A0 and A1.  The msleep below provides plenty
		 * of margin for write posting.
		 */
4236
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
A
Arjan van de Ven 已提交
4237 4238
		    (CHIP_ID(bp) == CHIP_ID_5706_A1))
			msleep(20);
4239

4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253
		/* 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;
		}
4254 4255 4256 4257 4258 4259 4260 4261 4262 4263
	}

	/* 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. */
4264 4265 4266
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
	if (rc)
		return rc;
4267

4268
	spin_lock_bh(&bp->phy_lock);
4269
	old_port = bp->phy_port;
4270
	bnx2_init_remote_phy(bp);
4271 4272
	if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
	    old_port != bp->phy_port)
4273 4274 4275
		bnx2_set_default_remote_link(bp);
	spin_unlock_bh(&bp->phy_lock);

4276 4277 4278 4279 4280 4281 4282 4283 4284
	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);
	}

4285
	if (bp->flags & BNX2_FLAG_USING_MSIX)
4286 4287
		bnx2_setup_msix_tbl(bp);

4288 4289 4290 4291 4292 4293 4294
	return rc;
}

static int
bnx2_init_chip(struct bnx2 *bp)
{
	u32 val;
4295
	int rc, i;
4296 4297 4298 4299 4300 4301 4302

	/* 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
4303
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4304
#endif
4305
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4306 4307 4308 4309 4310
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

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

4311
	if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4312 4313 4314
		val |= (1 << 23);

	if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4315
	    (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4316 4317 4318 4319 4320 4321 4322 4323 4324 4325
		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);
	}

4326
	if (bp->flags & BNX2_FLAG_PCIX) {
4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341
		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. */
4342 4343 4344 4345 4346
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rc = bnx2_init_5709_context(bp);
		if (rc)
			return rc;
	} else
M
Michael Chan 已提交
4347
		bnx2_init_context(bp);
4348

4349 4350 4351
	if ((rc = bnx2_init_cpus(bp)) != 0)
		return rc;

4352 4353 4354 4355 4356 4357 4358
	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;
4359 4360 4361
	if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
		val |= BNX2_MQ_CONFIG_HALT_DIS;

4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390
	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);

4391 4392 4393
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
		bp->bnx2_napi[i].last_status_idx = 0;

4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407
	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);

4408
	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426
	       (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);

4427 4428 4429
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
		REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
	else
4430
		REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4431 4432 4433
	REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */

	if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4434
		val = BNX2_HC_CONFIG_COLLECT_STATS;
4435
	else {
4436 4437
		val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
		      BNX2_HC_CONFIG_COLLECT_STATS;
4438 4439
	}

4440
	if (bp->flags & BNX2_FLAG_USING_MSIX) {
4441 4442 4443
		u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
			   BNX2_HC_SB_CONFIG_1;

4444 4445 4446
		REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
		       BNX2_HC_MSIX_BIT_VECTOR_VAL);

4447
		REG_WR(bp, base,
4448 4449 4450
			BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
			BNX2_HC_SB_CONFIG_1_ONE_SHOT);

4451
		REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4452 4453 4454
			(bp->tx_quick_cons_trip_int << 16) |
			 bp->tx_quick_cons_trip);

4455
		REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4456 4457 4458 4459 4460
			(bp->tx_ticks_int << 16) | bp->tx_ticks);

		val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
	}

4461
	if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4462 4463 4464 4465
		val |= BNX2_HC_CONFIG_ONE_SHOT;

	REG_WR(bp, BNX2_HC_CONFIG, val);

4466 4467 4468
	/* Clear internal stats counters. */
	REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);

4469
	REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4470 4471 4472 4473

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

M
Michael Chan 已提交
4474 4475 4476 4477 4478
	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);
	}
4479 4480
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
			  0);
4481

M
Michael Chan 已提交
4482
	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4483 4484 4485 4486
	REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);

	udelay(20);

M
Michael Chan 已提交
4487 4488
	bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);

4489
	return rc;
4490 4491
}

4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510
static void
bnx2_clear_ring_states(struct bnx2 *bp)
{
	struct bnx2_napi *bnapi;
	int i;

	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
		bnapi = &bp->bnx2_napi[i];

		bnapi->tx_cons = 0;
		bnapi->hw_tx_cons = 0;
		bnapi->rx_prod_bseq = 0;
		bnapi->rx_prod = 0;
		bnapi->rx_cons = 0;
		bnapi->rx_pg_prod = 0;
		bnapi->rx_pg_cons = 0;
	}
}

M
Michael Chan 已提交
4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538
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);
}
4539 4540 4541 4542 4543

static void
bnx2_init_tx_ring(struct bnx2 *bp)
{
	struct tx_bd *txbd;
4544 4545 4546 4547
	u32 cid = TX_CID;
	struct bnx2_napi *bnapi;

	bp->tx_vec = 0;
4548
	if (bp->flags & BNX2_FLAG_USING_MSIX) {
4549 4550 4551 4552 4553 4554
		cid = TX_TSS_CID;
		bp->tx_vec = BNX2_TX_VEC;
		REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
		       (TX_TSS_CID << 7));
	}
	bnapi = &bp->bnx2_napi[bp->tx_vec];
4555

M
Michael Chan 已提交
4556 4557
	bp->tx_wake_thresh = bp->tx_ring_size / 2;

4558
	txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4559

4560 4561 4562 4563 4564
	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_prod_bseq = 0;
4565

M
Michael Chan 已提交
4566 4567
	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;
4568

M
Michael Chan 已提交
4569
	bnx2_init_tx_context(bp, cid);
4570 4571 4572
}

static void
4573 4574
bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
		     int num_rings)
4575 4576
{
	int i;
4577
	struct rx_bd *rxbd;
4578

4579
	for (i = 0; i < num_rings; i++) {
4580
		int j;
4581

4582
		rxbd = &rx_ring[i][0];
4583
		for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4584
			rxbd->rx_bd_len = buf_size;
4585 4586
			rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
		}
4587
		if (i == (num_rings - 1))
4588 4589 4590
			j = 0;
		else
			j = i + 1;
4591 4592
		rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
		rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4593
	}
4594 4595 4596 4597 4598 4599 4600 4601
}

static void
bnx2_init_rx_ring(struct bnx2 *bp)
{
	int i;
	u16 prod, ring_prod;
	u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
4602
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
4603 4604 4605 4606 4607

	bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
			     bp->rx_buf_use_size, bp->rx_max_ring);

	CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625
	if (bp->rx_pg_ring_size) {
		bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
				     bp->rx_pg_desc_mapping,
				     PAGE_SIZE, bp->rx_max_pg_ring);
		val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
		CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
		CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
		       BNX2_L2CTX_RBDC_JUMBO_KEY);

		val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
		CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);

		val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
		CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);

		if (CHIP_NUM(bp) == CHIP_NUM_5709)
			REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
	}
4626 4627 4628 4629

	val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
	val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
	val |= 0x02 << 8;
4630
	CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
4631

4632
	val = (u64) bp->rx_desc_mapping[0] >> 32;
4633
	CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4634

4635
	val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4636
	CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4637

4638
	ring_prod = prod = bnapi->rx_pg_prod;
4639 4640 4641 4642 4643 4644
	for (i = 0; i < bp->rx_pg_ring_size; i++) {
		if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
			break;
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_PG_RING_IDX(prod);
	}
4645
	bnapi->rx_pg_prod = prod;
4646

4647
	ring_prod = prod = bnapi->rx_prod;
4648
	for (i = 0; i < bp->rx_ring_size; i++) {
4649
		if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
4650 4651 4652 4653 4654
			break;
		}
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_RING_IDX(prod);
	}
4655
	bnapi->rx_prod = prod;
4656

4657 4658
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
		 bnapi->rx_pg_prod);
4659 4660
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);

4661
	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
4662 4663
}

4664
static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4665
{
4666
	u32 max, num_rings = 1;
4667

4668 4669
	while (ring_size > MAX_RX_DESC_CNT) {
		ring_size -= MAX_RX_DESC_CNT;
4670 4671 4672
		num_rings++;
	}
	/* round to next power of 2 */
4673
	max = max_size;
4674 4675 4676 4677 4678 4679
	while ((max & num_rings) == 0)
		max >>= 1;

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

4680 4681 4682 4683 4684 4685
	return max;
}

static void
bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
{
M
Michael Chan 已提交
4686
	u32 rx_size, rx_space, jumbo_size;
4687 4688 4689 4690

	/* 8 for CRC and VLAN */
	rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;

M
Michael Chan 已提交
4691 4692 4693
	rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
		sizeof(struct skb_shared_info);

4694
	bp->rx_copy_thresh = RX_COPY_THRESH;
4695 4696 4697
	bp->rx_pg_ring_size = 0;
	bp->rx_max_pg_ring = 0;
	bp->rx_max_pg_ring_idx = 0;
4698
	if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
M
Michael Chan 已提交
4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711
		int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;

		jumbo_size = size * pages;
		if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
			jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;

		bp->rx_pg_ring_size = jumbo_size;
		bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
							MAX_RX_PG_RINGS);
		bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
		rx_size = RX_COPY_THRESH + bp->rx_offset;
		bp->rx_copy_thresh = 0;
	}
4712 4713 4714 4715

	bp->rx_buf_use_size = rx_size;
	/* hw alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4716
	bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
4717 4718
	bp->rx_ring_size = size;
	bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4719 4720 4721
	bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
}

4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752
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);
		}
4753
		dev_kfree_skb(skb);
4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766
		i += j + 1;
	}

}

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

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

4767
	for (i = 0; i < bp->rx_max_ring_idx; i++) {
4768 4769 4770
		struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
		struct sk_buff *skb = rx_buf->skb;

4771
		if (skb == NULL)
4772 4773 4774 4775 4776 4777 4778
			continue;

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

		rx_buf->skb = NULL;

4779
		dev_kfree_skb(skb);
4780
	}
4781 4782
	for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
		bnx2_free_rx_page(bp, i);
4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801
}

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;

4802 4803 4804
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

4805
	bnx2_clear_ring_states(bp);
4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818
	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
4819
	spin_lock_bh(&bp->phy_lock);
4820 4821
	bnx2_init_phy(bp);
	bnx2_set_link(bp);
4822
	spin_unlock_bh(&bp->phy_lock);
4823 4824 4825 4826 4827 4828 4829
	return 0;
}

static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
4830
	int i, is_5709;
4831
	static const struct {
4832 4833
		u16   offset;
		u16   flags;
4834
#define BNX2_FL_NOT_5709	1
4835 4836 4837 4838 4839 4840 4841
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861
		{ 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 },
4862 4863 4864 4865 4866 4867 4868

		{ 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
4869
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946
		{ 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;
4947 4948 4949 4950
	is_5709 = 0;
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		is_5709 = 1;

4951 4952
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;
4953 4954 4955 4956
		u16 flags = reg_tbl[i].flags;

		if (is_5709 && (flags & BNX2_FL_NOT_5709))
			continue;
4957 4958 4959 4960 4961

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

4962
		save_val = readl(bp->regview + offset);
4963

4964
		writel(0, bp->regview + offset);
4965

4966
		val = readl(bp->regview + offset);
4967 4968 4969 4970 4971 4972 4973 4974
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

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

4975
		writel(0xffffffff, bp->regview + offset);
4976

4977
		val = readl(bp->regview + offset);
4978 4979 4980 4981 4982 4983 4984 4985
		if ((val & rw_mask) != rw_mask) {
			goto reg_test_err;
		}

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

4986
		writel(save_val, bp->regview + offset);
4987 4988 4989
		continue;

reg_test_err:
4990
		writel(save_val, bp->regview + offset);
4991 4992 4993 4994 4995 4996 4997 4998 4999
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
5000
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024
		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;
5025
	static struct mem_entry {
5026 5027
		u32   offset;
		u32   len;
5028
	} mem_tbl_5706[] = {
5029
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
5030
		{ 0xa0000,  0x3000 },
5031 5032 5033 5034 5035
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
5036 5037 5038 5039 5040 5041 5042 5043
	},
	mem_tbl_5709[] = {
		{ 0x60000,  0x4000 },
		{ 0xa0000,  0x3000 },
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0xffffffff, 0    },
5044
	};
5045 5046 5047 5048 5049 5050
	struct mem_entry *mem_tbl;

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		mem_tbl = mem_tbl_5709;
	else
		mem_tbl = mem_tbl_5706;
5051 5052 5053 5054 5055 5056 5057

	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;
		}
	}
5058

5059 5060 5061
	return ret;
}

M
Michael Chan 已提交
5062 5063 5064
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

5065
static int
M
Michael Chan 已提交
5066
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5067 5068 5069 5070
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
5071
	u16 rx_start_idx, rx_idx;
5072 5073 5074 5075 5076
	dma_addr_t map;
	struct tx_bd *txbd;
	struct sw_bd *rx_buf;
	struct l2_fhdr *rx_hdr;
	int ret = -ENODEV;
5077 5078 5079
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;

	tx_napi = bnapi;
5080
	if (bp->flags & BNX2_FLAG_USING_MSIX)
5081
		tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
5082

M
Michael Chan 已提交
5083 5084 5085 5086 5087
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5088
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5089 5090
			return 0;

M
Michael Chan 已提交
5091
		bp->loopback = PHY_LOOPBACK;
M
Michael Chan 已提交
5092 5093 5094 5095
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
5096

M
Michael Chan 已提交
5097
	pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5098
	skb = netdev_alloc_skb(bp->dev, pkt_size);
5099 5100
	if (!skb)
		return -ENOMEM;
5101
	packet = skb_put(skb, pkt_size);
M
Michael Chan 已提交
5102
	memcpy(packet, bp->dev->dev_addr, 6);
5103 5104 5105 5106 5107 5108 5109
	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
5110 5111 5112
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5113 5114 5115
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);
5116
	rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5117 5118 5119

	num_pkts = 0;

M
Michael Chan 已提交
5120
	txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
5121 5122 5123 5124 5125 5126 5127

	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
5128 5129
	bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
	bp->tx_prod_bseq += pkt_size;
5130

5131 5132
	REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5133 5134 5135

	udelay(100);

M
Michael Chan 已提交
5136 5137 5138
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5139 5140 5141 5142 5143
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5144
	dev_kfree_skb(skb);
5145

5146
	if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
5147 5148
		goto loopback_test_done;

5149
	rx_idx = bnx2_get_hw_rx_cons(bnapi);
5150 5151 5152 5153 5154 5155 5156 5157 5158 5159 5160 5161 5162 5163
	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);

5164
	if (rx_hdr->l2_fhdr_status &
5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190
		(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
5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214
#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;
}

5215 5216 5217 5218 5219 5220
#define NVRAM_SIZE 0x200
#define CRC32_RESIDUAL 0xdebb20e3

static int
bnx2_test_nvram(struct bnx2 *bp)
{
A
Al Viro 已提交
5221
	__be32 buf[NVRAM_SIZE / 4];
5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257
	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;

5258
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5259 5260 5261 5262
		if (bp->link_up)
			return 0;
		return -ENODEV;
	}
5263
	spin_lock_bh(&bp->phy_lock);
5264 5265 5266 5267
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
5268
	spin_unlock_bh(&bp->phy_lock);
5269

5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287
	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
5288
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305
	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;
}

5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320
static int
bnx2_5706_serdes_has_link(struct bnx2 *bp)
{
	u32 mode_ctl, an_dbg, exp;

	bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
	bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);

	if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
		return 0;

	bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
	bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
	bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);

5321
	if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333
		return 0;

	bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
	bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
	bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);

	if (exp & MII_EXPAND_REG1_RUDI_C)	/* receiving CONFIG */
		return 0;

	return 1;
}

5334
static void
5335
bnx2_5706_serdes_timer(struct bnx2 *bp)
5336
{
5337 5338
	int check_link = 1;

5339
	spin_lock(&bp->phy_lock);
5340
	if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
5341
		bnx2_5706s_force_link_dn(bp, 0);
5342
		bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
5343 5344 5345 5346 5347
		spin_unlock(&bp->phy_lock);
		return;
	}

	if (bp->serdes_an_pending) {
5348
		bp->serdes_an_pending--;
5349 5350
		check_link = 0;
	} else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5351
		u32 bmcr;
5352

5353
		bp->current_interval = bp->timer_interval;
M
Michael Chan 已提交
5354

5355
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5356

5357
		if (bmcr & BMCR_ANENABLE) {
5358
			if (bnx2_5706_serdes_has_link(bp)) {
5359 5360
				bmcr &= ~BMCR_ANENABLE;
				bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5361
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5362
				bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5363
			}
5364
		}
5365 5366
	}
	else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5367
		 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5368
		u32 phy2;
5369

5370
		check_link = 0;
5371 5372 5373 5374
		bnx2_write_phy(bp, 0x17, 0x0f01);
		bnx2_read_phy(bp, 0x15, &phy2);
		if (phy2 & 0x20) {
			u32 bmcr;
M
Michael Chan 已提交
5375

5376
			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5377
			bmcr |= BMCR_ANENABLE;
5378
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5379

5380
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5381 5382 5383
		}
	} else
		bp->current_interval = bp->timer_interval;
5384

5385 5386 5387 5388 5389 5390 5391 5392 5393
	if (bp->link_up && (bp->autoneg & AUTONEG_SPEED) && check_link) {
		u32 val;

		bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
		bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
		bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);

		if (val & MISC_SHDW_AN_DBG_NOSYNC) {
			bnx2_5706s_force_link_dn(bp, 1);
5394
			bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5395 5396
		}
	}
5397 5398
	spin_unlock(&bp->phy_lock);
}
5399

5400 5401 5402
static void
bnx2_5708_serdes_timer(struct bnx2 *bp)
{
5403
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5404 5405
		return;

5406
	if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5407 5408 5409
		bp->serdes_an_pending = 0;
		return;
	}
5410

5411 5412 5413 5414 5415
	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;
5416

5417
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5418
		if (bmcr & BMCR_ANENABLE) {
5419
			bnx2_enable_forced_2g5(bp);
5420 5421
			bp->current_interval = SERDES_FORCED_TIMEOUT;
		} else {
5422
			bnx2_disable_forced_2g5(bp);
5423 5424
			bp->serdes_an_pending = 2;
			bp->current_interval = bp->timer_interval;
5425 5426
		}

5427 5428
	} else
		bp->current_interval = bp->timer_interval;
5429

5430 5431 5432
	spin_unlock(&bp->phy_lock);
}

5433 5434 5435 5436
static void
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
5437

5438 5439
	if (!netif_running(bp->dev))
		return;
5440

5441 5442
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;
5443

M
Michael Chan 已提交
5444
	bnx2_send_heart_beat(bp);
5445

5446
	bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT);
5447

5448 5449 5450 5451 5452
	/* 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);

5453
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5454 5455
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			bnx2_5706_serdes_timer(bp);
5456
		else
5457
			bnx2_5708_serdes_timer(bp);
5458 5459 5460
	}

bnx2_restart_timer:
M
Michael Chan 已提交
5461
	mod_timer(&bp->timer, jiffies + bp->current_interval);
5462 5463
}

5464 5465 5466 5467
static int
bnx2_request_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;
5468
	unsigned long flags;
5469 5470
	struct bnx2_irq *irq;
	int rc = 0, i;
5471

5472
	if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5473 5474 5475
		flags = 0;
	else
		flags = IRQF_SHARED;
5476 5477 5478

	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
5479
		rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5480 5481 5482 5483 5484
				 dev);
		if (rc)
			break;
		irq->requested = 1;
	}
5485 5486 5487 5488 5489 5490 5491
	return rc;
}

static void
bnx2_free_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;
5492 5493
	struct bnx2_irq *irq;
	int i;
5494

5495 5496 5497 5498 5499
	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
		if (irq->requested)
			free_irq(irq->vector, dev);
		irq->requested = 0;
5500
	}
5501
	if (bp->flags & BNX2_FLAG_USING_MSI)
5502
		pci_disable_msi(bp->pdev);
5503
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
5504 5505
		pci_disable_msix(bp->pdev);

5506
	bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5507 5508 5509 5510 5511
}

static void
bnx2_enable_msix(struct bnx2 *bp)
{
M
Michael Chan 已提交
5512 5513 5514
	int i, rc;
	struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];

5515 5516 5517 5518
	bnx2_setup_msix_tbl(bp);
	REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
	REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
	REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
M
Michael Chan 已提交
5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537

	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
		msix_ent[i].entry = i;
		msix_ent[i].vector = 0;
	}

	rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
	if (rc != 0)
		return;

	bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
	bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;

	strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
	strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
	strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
	strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");

	bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
5538
	bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
M
Michael Chan 已提交
5539 5540
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
		bp->irq_tbl[i].vector = msix_ent[i].vector;
5541 5542 5543 5544 5545 5546 5547
}

static void
bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
{
	bp->irq_tbl[0].handler = bnx2_interrupt;
	strcpy(bp->irq_tbl[0].name, bp->dev->name);
5548 5549 5550
	bp->irq_nvecs = 1;
	bp->irq_tbl[0].vector = bp->pdev->irq;

5551
	if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5552
		bnx2_enable_msix(bp);
5553

5554 5555
	if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
	    !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5556
		if (pci_enable_msi(bp->pdev) == 0) {
5557
			bp->flags |= BNX2_FLAG_USING_MSI;
5558
			if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5559
				bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5560 5561 5562
				bp->irq_tbl[0].handler = bnx2_msi_1shot;
			} else
				bp->irq_tbl[0].handler = bnx2_msi;
5563 5564

			bp->irq_tbl[0].vector = bp->pdev->irq;
5565 5566
		}
	}
5567 5568
}

5569 5570 5571 5572
/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
5573
	struct bnx2 *bp = netdev_priv(dev);
5574 5575
	int rc;

5576 5577
	netif_carrier_off(dev);

5578
	bnx2_set_power_state(bp, PCI_D0);
5579 5580 5581 5582 5583 5584
	bnx2_disable_int(bp);

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

5585
	bnx2_setup_int_mode(bp, disable_msi);
5586
	bnx2_napi_enable(bp);
5587 5588
	rc = bnx2_request_irq(bp);

5589
	if (rc) {
5590
		bnx2_napi_disable(bp);
5591 5592 5593 5594 5595 5596 5597
		bnx2_free_mem(bp);
		return rc;
	}

	rc = bnx2_init_nic(bp);

	if (rc) {
5598
		bnx2_napi_disable(bp);
5599
		bnx2_free_irq(bp);
5600 5601 5602 5603
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
		return rc;
	}
5604

M
Michael Chan 已提交
5605
	mod_timer(&bp->timer, jiffies + bp->current_interval);
5606 5607 5608 5609 5610

	atomic_set(&bp->intr_sem, 0);

	bnx2_enable_int(bp);

5611
	if (bp->flags & BNX2_FLAG_USING_MSI) {
5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622
		/* 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);
5623
			bnx2_free_irq(bp);
5624

5625 5626
			bnx2_setup_int_mode(bp, 1);

5627 5628
			rc = bnx2_init_nic(bp);

5629 5630 5631
			if (!rc)
				rc = bnx2_request_irq(bp);

5632
			if (rc) {
5633
				bnx2_napi_disable(bp);
5634 5635 5636 5637 5638 5639 5640 5641
				bnx2_free_skbs(bp);
				bnx2_free_mem(bp);
				del_timer_sync(&bp->timer);
				return rc;
			}
			bnx2_enable_int(bp);
		}
	}
5642
	if (bp->flags & BNX2_FLAG_USING_MSI)
5643
		printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5644
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
M
Michael Chan 已提交
5645
		printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5646 5647 5648 5649 5650 5651 5652

	netif_start_queue(dev);

	return 0;
}

static void
D
David Howells 已提交
5653
bnx2_reset_task(struct work_struct *work)
5654
{
D
David Howells 已提交
5655
	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5656

5657 5658 5659 5660
	if (!netif_running(bp->dev))
		return;

	bp->in_reset_task = 1;
5661 5662 5663 5664 5665 5666
	bnx2_netif_stop(bp);

	bnx2_init_nic(bp);

	atomic_set(&bp->intr_sem, 1);
	bnx2_netif_start(bp);
5667
	bp->in_reset_task = 0;
5668 5669 5670 5671 5672
}

static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
5673
	struct bnx2 *bp = netdev_priv(dev);
5674 5675 5676 5677 5678 5679 5680 5681 5682 5683

	/* 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
5684
	struct bnx2 *bp = netdev_priv(dev);
5685 5686 5687 5688 5689 5690 5691 5692 5693 5694

	bnx2_netif_stop(bp);

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

	bnx2_netif_start(bp);
}
#endif

H
Herbert Xu 已提交
5695
/* Called with netif_tx_lock.
M
Michael Chan 已提交
5696 5697
 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
 * netif_wake_queue().
5698 5699 5700 5701
 */
static int
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
5702
	struct bnx2 *bp = netdev_priv(dev);
5703 5704 5705 5706 5707 5708
	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
5709
	struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
5710

5711 5712
	if (unlikely(bnx2_tx_avail(bp, bnapi) <
	    (skb_shinfo(skb)->nr_frags + 1))) {
5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723
		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;
5724
	if (skb->ip_summed == CHECKSUM_PARTIAL) {
5725 5726 5727
		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
	}

A
Al Viro 已提交
5728
	if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5729 5730 5731
		vlan_tag_flags |=
			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
	}
5732
	if ((mss = skb_shinfo(skb)->gso_size)) {
5733
		u32 tcp_opt_len, ip_tcp_len;
5734
		struct iphdr *iph;
5735 5736 5737

		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

5738 5739 5740 5741 5742
		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;
5743

5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761
			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;
			}
5762

5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774 5775
			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;
			}
5776
		}
5777
	} else
5778 5779 5780
		mss = 0;

	mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5781

5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818
	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;

5819 5820
	REG_WR16(bp, bp->tx_bidx_addr, prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5821 5822 5823 5824 5825 5826

	mmiowb();

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

5827
	if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
M
Michael Chan 已提交
5828
		netif_stop_queue(dev);
5829
		if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
M
Michael Chan 已提交
5830
			netif_wake_queue(dev);
5831 5832 5833 5834 5835 5836 5837 5838 5839
	}

	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
5840
	struct bnx2 *bp = netdev_priv(dev);
5841 5842
	u32 reset_code;

5843 5844 5845 5846 5847 5848 5849
	/* 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);

5850
	bnx2_disable_int_sync(bp);
5851
	bnx2_napi_disable(bp);
5852
	del_timer_sync(&bp->timer);
5853
	if (bp->flags & BNX2_FLAG_NO_WOL)
5854
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
5855
	else if (bp->wol)
5856 5857 5858 5859
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
	bnx2_reset_chip(bp, reset_code);
5860
	bnx2_free_irq(bp);
5861 5862 5863 5864
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
5865
	bnx2_set_power_state(bp, PCI_D3hot);
5866 5867 5868 5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882 5883 5884
	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
5885
	struct bnx2 *bp = netdev_priv(dev);
5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907
	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);

5908
	net_stats->multicast =
5909 5910
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);

5911
	net_stats->collisions =
5912 5913
		(unsigned long) stats_blk->stat_EtherStatsCollisions;

5914
	net_stats->rx_length_errors =
5915 5916 5917
		(unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
		stats_blk->stat_EtherStatsOverrsizePkts);

5918
	net_stats->rx_over_errors =
5919 5920
		(unsigned long) stats_blk->stat_IfInMBUFDiscards;

5921
	net_stats->rx_frame_errors =
5922 5923
		(unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;

5924
	net_stats->rx_crc_errors =
5925 5926 5927 5928 5929 5930 5931 5932 5933 5934
		(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
5935 5936
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
5937 5938 5939 5940 5941 5942 5943 5944
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
			(unsigned long)
			stats_blk->stat_Dot3StatsCarrierSenseErrors;
	}

	net_stats->tx_errors =
5945
    		(unsigned long)
5946 5947 5948 5949 5950
		stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
		+
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
5951 5952 5953 5954
	net_stats->rx_missed_errors =
		(unsigned long) (stats_blk->stat_IfInMBUFDiscards +
		stats_blk->stat_FwRxDrop);

5955 5956 5957 5958 5959 5960 5961 5962
	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
5963
	struct bnx2 *bp = netdev_priv(dev);
5964
	int support_serdes = 0, support_copper = 0;
5965 5966

	cmd->supported = SUPPORTED_Autoneg;
5967
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5968 5969 5970 5971 5972 5973 5974 5975
		support_serdes = 1;
		support_copper = 1;
	} else if (bp->phy_port == PORT_FIBRE)
		support_serdes = 1;
	else
		support_copper = 1;

	if (support_serdes) {
5976 5977
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;
5978
		if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
5979
			cmd->supported |= SUPPORTED_2500baseX_Full;
5980 5981

	}
5982
	if (support_copper) {
5983 5984 5985 5986 5987 5988 5989 5990 5991
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

	}

5992 5993
	spin_lock_bh(&bp->phy_lock);
	cmd->port = bp->phy_port;
5994 5995 5996 5997 5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010
	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;
	}
6011
	spin_unlock_bh(&bp->phy_lock);
6012 6013 6014 6015 6016 6017

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

	return 0;
}
6018

6019 6020 6021
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
6022
	struct bnx2 *bp = netdev_priv(dev);
6023 6024 6025 6026
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;
6027 6028 6029 6030 6031 6032 6033
	int err = -EINVAL;

	spin_lock_bh(&bp->phy_lock);

	if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
		goto err_out_unlock;

6034 6035
	if (cmd->port != bp->phy_port &&
	    !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6036
		goto err_out_unlock;
6037 6038 6039 6040

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

6041
		cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6042 6043 6044 6045 6046 6047 6048

		/* 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)) {

6049 6050
			if (cmd->port == PORT_FIBRE)
				goto err_out_unlock;
6051 6052 6053

			advertising = cmd->advertising;

6054
		} else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6055
			if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6056 6057 6058
			    (cmd->port == PORT_TP))
				goto err_out_unlock;
		} else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6059
			advertising = cmd->advertising;
6060 6061
		else if (cmd->advertising == ADVERTISED_1000baseT_Half)
			goto err_out_unlock;
6062
		else {
6063
			if (cmd->port == PORT_FIBRE)
6064
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
6065
			else
6066 6067 6068 6069 6070
				advertising = ETHTOOL_ALL_COPPER_SPEED;
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
6071
		if (cmd->port == PORT_FIBRE) {
M
Michael Chan 已提交
6072 6073 6074
			if ((cmd->speed != SPEED_1000 &&
			     cmd->speed != SPEED_2500) ||
			    (cmd->duplex != DUPLEX_FULL))
6075
				goto err_out_unlock;
M
Michael Chan 已提交
6076 6077

			if (cmd->speed == SPEED_2500 &&
6078
			    !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6079
				goto err_out_unlock;
6080
		}
6081 6082 6083
		else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
			goto err_out_unlock;

6084 6085 6086 6087 6088 6089 6090 6091 6092 6093 6094
		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;

6095
	err = bnx2_setup_phy(bp, cmd->port);
6096

6097
err_out_unlock:
6098
	spin_unlock_bh(&bp->phy_lock);
6099

6100
	return err;
6101 6102 6103 6104 6105
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
6106
	struct bnx2 *bp = netdev_priv(dev);
6107 6108 6109 6110

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
6111
	strcpy(info->fw_version, bp->fw_version);
6112 6113
}

M
Michael Chan 已提交
6114 6115 6116 6117 6118 6119 6120 6121 6122 6123 6124 6125 6126 6127 6128 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 6159 6160 6161 6162 6163 6164 6165 6166 6167 6168 6169 6170 6171
#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;
		}
	}
}

6172 6173 6174
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
6175
	struct bnx2 *bp = netdev_priv(dev);
6176

6177
	if (bp->flags & BNX2_FLAG_NO_WOL) {
6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191 6192 6193
		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
6194
	struct bnx2 *bp = netdev_priv(dev);
6195 6196 6197 6198 6199

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

	if (wol->wolopts & WAKE_MAGIC) {
6200
		if (bp->flags & BNX2_FLAG_NO_WOL)
6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213
			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
6214
	struct bnx2 *bp = netdev_priv(dev);
6215 6216 6217 6218 6219 6220
	u32 bmcr;

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

6221
	spin_lock_bh(&bp->phy_lock);
6222

6223
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6224 6225 6226 6227 6228 6229 6230
		int rc;

		rc = bnx2_setup_remote_phy(bp, bp->phy_port);
		spin_unlock_bh(&bp->phy_lock);
		return rc;
	}

6231
	/* Force a link down visible on the other side */
6232
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6233
		bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6234
		spin_unlock_bh(&bp->phy_lock);
6235 6236 6237

		msleep(20);

6238
		spin_lock_bh(&bp->phy_lock);
6239 6240 6241 6242

		bp->current_interval = SERDES_AN_TIMEOUT;
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
6243 6244
	}

6245
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6246
	bmcr &= ~BMCR_LOOPBACK;
6247
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6248

6249
	spin_unlock_bh(&bp->phy_lock);
6250 6251 6252 6253 6254 6255 6256

	return 0;
}

static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
6257
	struct bnx2 *bp = netdev_priv(dev);
6258

M
Michael Chan 已提交
6259
	if (bp->flash_info == NULL)
6260 6261
		return 0;

M
Michael Chan 已提交
6262
	return (int) bp->flash_size;
6263 6264 6265 6266 6267 6268
}

static int
bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
6269
	struct bnx2 *bp = netdev_priv(dev);
6270 6271
	int rc;

6272
	/* parameters already validated in ethtool_get_eeprom */
6273 6274 6275 6276 6277 6278 6279 6280 6281 6282

	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
6283
	struct bnx2 *bp = netdev_priv(dev);
6284 6285
	int rc;

6286
	/* parameters already validated in ethtool_set_eeprom */
6287 6288 6289 6290 6291 6292 6293 6294 6295

	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
6296
	struct bnx2 *bp = netdev_priv(dev);
6297 6298 6299 6300 6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317

	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
6318
	struct bnx2 *bp = netdev_priv(dev);
6319 6320 6321 6322

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

6323
	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338 6339 6340 6341 6342 6343 6344 6345 6346
	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;
6347 6348 6349 6350
	if (CHIP_NUM(bp) == CHIP_NUM_5708) {
		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
			bp->stats_ticks = USEC_PER_SEC;
	}
6351 6352 6353
	if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
		bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
	bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6354 6355 6356 6357 6358 6359 6360 6361 6362 6363 6364 6365 6366

	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
6367
	struct bnx2 *bp = netdev_priv(dev);
6368

6369
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6370
	ering->rx_mini_max_pending = 0;
6371
	ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6372 6373 6374

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
6375
	ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6376 6377 6378 6379 6380 6381

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

static int
6382
bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6383
{
6384 6385 6386 6387 6388 6389 6390
	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);
	}

6391 6392
	bnx2_set_rx_ring_size(bp, rx);
	bp->tx_ring_size = tx;
6393 6394

	if (netif_running(bp->dev)) {
6395 6396 6397 6398 6399
		int rc;

		rc = bnx2_alloc_mem(bp);
		if (rc)
			return rc;
6400 6401 6402 6403 6404 6405
		bnx2_init_nic(bp);
		bnx2_netif_start(bp);
	}
	return 0;
}

6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418 6419 6420 6421
static int
bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
{
	struct bnx2 *bp = netdev_priv(dev);
	int rc;

	if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
		(ering->tx_pending > MAX_TX_DESC_CNT) ||
		(ering->tx_pending <= MAX_SKB_FRAGS)) {

		return -EINVAL;
	}
	rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
	return rc;
}

6422 6423 6424
static void
bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
6425
	struct bnx2 *bp = netdev_priv(dev);
6426 6427 6428 6429 6430 6431 6432 6433 6434

	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
6435
	struct bnx2 *bp = netdev_priv(dev);
6436 6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447 6448 6449

	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;
	}

6450
	spin_lock_bh(&bp->phy_lock);
6451

6452
	bnx2_setup_phy(bp, bp->phy_port);
6453

6454
	spin_unlock_bh(&bp->phy_lock);
6455 6456 6457 6458 6459 6460 6461

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
6462
	struct bnx2 *bp = netdev_priv(dev);
6463 6464 6465 6466 6467 6468 6469

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
6470
	struct bnx2 *bp = netdev_priv(dev);
6471 6472 6473 6474 6475

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
6476 6477 6478
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
6479 6480 6481
	struct bnx2 *bp = netdev_priv(dev);

	if (data) {
M
Michael Chan 已提交
6482
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6483 6484 6485 6486 6487
		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
6488 6489 6490
	return 0;
}

M
Michael Chan 已提交
6491
#define BNX2_NUM_STATS 46
6492

6493
static struct {
6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540
	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
6541
	{ "rx_fw_discards" },
6542 6543 6544 6545
};

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

6546
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557
    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),
6558 6559 6560 6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588 6589 6590 6591
    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
6592
    STATS_OFFSET32(stat_FwRxDrop),
6593 6594 6595 6596
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
6597
 */
6598
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6599 6600 6601 6602
	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
6603
	4,4,4,4,4,4,
6604 6605
};

M
Michael Chan 已提交
6606 6607 6608 6609 6610
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
6611
	4,4,4,4,4,4,
M
Michael Chan 已提交
6612 6613
};

6614 6615
#define BNX2_NUM_TESTS 6

6616
static struct {
6617 6618 6619 6620 6621 6622 6623 6624 6625 6626 6627
	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
6628
bnx2_get_sset_count(struct net_device *dev, int sset)
6629
{
6630 6631 6632 6633 6634 6635 6636 6637
	switch (sset) {
	case ETH_SS_TEST:
		return BNX2_NUM_TESTS;
	case ETH_SS_STATS:
		return BNX2_NUM_STATS;
	default:
		return -EOPNOTSUPP;
	}
6638 6639 6640 6641 6642
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
6643
	struct bnx2 *bp = netdev_priv(dev);
6644 6645 6646

	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
M
Michael Chan 已提交
6647 6648
		int i;

6649 6650 6651 6652 6653 6654 6655 6656 6657 6658 6659 6660
		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
6661
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6662 6663 6664 6665 6666 6667 6668 6669 6670 6671 6672
			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
6673 6674 6675 6676 6677
		for (i = 0; i < 7; i++) {
			if (bp->link_up)
				break;
			msleep_interruptible(1000);
		}
6678 6679 6680 6681 6682 6683 6684 6685 6686 6687 6688 6689 6690 6691 6692 6693 6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714
	}

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

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

	}
}

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

static void
bnx2_get_ethtool_stats(struct net_device *dev,
		struct ethtool_stats *stats, u64 *buf)
{
M
Michael Chan 已提交
6715
	struct bnx2 *bp = netdev_priv(dev);
6716 6717
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
6718
	u8 *stats_len_arr = NULL;
6719 6720 6721 6722 6723 6724

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

M
Michael Chan 已提交
6725 6726 6727 6728
	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))
6729
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
6730 6731
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
6732 6733 6734 6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746 6747 6748 6749 6750 6751 6752 6753 6754

	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
6755
	struct bnx2 *bp = netdev_priv(dev);
6756 6757 6758 6759 6760 6761 6762 6763 6764 6765 6766 6767 6768 6769 6770 6771 6772 6773 6774 6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785
	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;
}

6786 6787 6788 6789 6790 6791
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)
6792
		return (ethtool_op_set_tx_ipv6_csum(dev, data));
6793 6794 6795 6796
	else
		return (ethtool_op_set_tx_csum(dev, data));
}

6797
static const struct ethtool_ops bnx2_ethtool_ops = {
6798 6799 6800
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
6801 6802
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817
	.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,
6818
	.set_tx_csum		= bnx2_set_tx_csum,
6819
	.set_sg			= ethtool_op_set_sg,
M
Michael Chan 已提交
6820
	.set_tso		= bnx2_set_tso,
6821 6822 6823 6824
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
6825
	.get_sset_count		= bnx2_get_sset_count,
6826 6827 6828 6829 6830 6831
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
6832
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
6833
	struct bnx2 *bp = netdev_priv(dev);
6834 6835 6836 6837 6838 6839 6840 6841 6842 6843
	int err;

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

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

6844
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6845 6846
			return -EOPNOTSUPP;

6847 6848 6849
		if (!netif_running(dev))
			return -EAGAIN;

6850
		spin_lock_bh(&bp->phy_lock);
6851
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6852
		spin_unlock_bh(&bp->phy_lock);
6853 6854 6855 6856 6857 6858 6859 6860 6861 6862

		data->val_out = mii_regval;

		return err;
	}

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

6863
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6864 6865
			return -EOPNOTSUPP;

6866 6867 6868
		if (!netif_running(dev))
			return -EAGAIN;

6869
		spin_lock_bh(&bp->phy_lock);
6870
		err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6871
		spin_unlock_bh(&bp->phy_lock);
6872 6873 6874 6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885 6886

		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
6887
	struct bnx2 *bp = netdev_priv(dev);
6888

6889 6890 6891
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

6892 6893 6894 6895 6896 6897 6898 6899 6900 6901 6902
	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
6903
	struct bnx2 *bp = netdev_priv(dev);
6904 6905 6906 6907 6908 6909

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

	dev->mtu = new_mtu;
6910
	return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
6911 6912 6913 6914 6915 6916
}

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
static void
poll_bnx2(struct net_device *dev)
{
M
Michael Chan 已提交
6917
	struct bnx2 *bp = netdev_priv(dev);
6918 6919

	disable_irq(bp->pdev->irq);
6920
	bnx2_interrupt(bp->pdev->irq, dev);
6921 6922 6923 6924
	enable_irq(bp->pdev->irq);
}
#endif

6925 6926 6927 6928 6929 6930 6931 6932 6933 6934
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) {
6935
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948
		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:
6949
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6950 6951 6952 6953 6954 6955 6956
			return;
		}
	} else {
		switch (strap) {
		case 0x1:
		case 0x2:
		case 0x4:
6957
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6958 6959 6960 6961 6962
			return;
		}
	}
}

6963 6964 6965 6966 6967 6968 6969 6970 6971
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;

6972
		bp->flags |= BNX2_FLAG_PCIX;
6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985 6986 6987 6988 6989 6990 6991 6992 6993 6994 6995 6996 6997 6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010

		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)
7011
		bp->flags |= BNX2_FLAG_PCI_32BIT;
7012 7013 7014

}

7015 7016 7017 7018 7019
static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
7020
	int rc, i, j;
7021
	u32 reg;
7022
	u64 dma_mask, persist_dma_mask;
7023 7024

	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
7025
	bp = netdev_priv(dev);
7026 7027 7028 7029 7030 7031 7032

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

	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
7033
		dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7034 7035 7036 7037
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7038
		dev_err(&pdev->dev,
7039
			"Cannot find PCI device base address, aborting.\n");
7040 7041 7042 7043 7044 7045
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
7046
		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7047 7048 7049 7050 7051 7052 7053
		goto err_out_disable;
	}

	pci_set_master(pdev);

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
7054
		dev_err(&pdev->dev,
7055
			"Cannot find power management capability, aborting.\n");
7056 7057 7058 7059 7060 7061 7062 7063
		rc = -EIO;
		goto err_out_release;
	}

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

	spin_lock_init(&bp->phy_lock);
M
Michael Chan 已提交
7064
	spin_lock_init(&bp->indirect_lock);
D
David Howells 已提交
7065
	INIT_WORK(&bp->reset_task, bnx2_reset_task);
7066 7067

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
M
Michael Chan 已提交
7068
	mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
7069 7070 7071 7072 7073 7074
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

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

	if (!bp->regview) {
7075
		dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7076 7077 7078 7079 7080 7081 7082 7083 7084 7085 7086 7087
		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);

7088
	bnx2_set_power_state(bp, PCI_D0);
7089 7090 7091

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

7092 7093 7094 7095 7096 7097 7098
	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;
		}
7099
		bp->flags |= BNX2_FLAG_PCIE;
7100
		if (CHIP_REV(bp) == CHIP_REV_Ax)
7101
			bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7102
	} else {
M
Michael Chan 已提交
7103 7104 7105 7106 7107 7108 7109 7110 7111
		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;
		}
	}

7112 7113
	if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7114
			bp->flags |= BNX2_FLAG_MSIX_CAP;
7115 7116
	}

7117 7118
	if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7119
			bp->flags |= BNX2_FLAG_MSI_CAP;
7120 7121
	}

7122 7123 7124 7125 7126 7127 7128 7129 7130 7131 7132 7133 7134 7135 7136 7137 7138 7139 7140 7141
	/* 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;
	}

7142
	if (!(bp->flags & BNX2_FLAG_PCIE))
7143
		bnx2_get_pci_speed(bp);
7144 7145 7146 7147 7148 7149 7150 7151

	/* 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) &&
7152
		!(bp->flags & BNX2_FLAG_PCIX)) {
7153

7154
		dev_err(&pdev->dev,
7155
			"5706 A1 can only be used in a PCIX bus, aborting.\n");
7156 7157 7158 7159 7160
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

7161 7162 7163
	reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7164 7165 7166 7167 7168
	    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
7169 7170
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

7171 7172 7173
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
7174
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
7175 7176 7177

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7178
		dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7179 7180 7181 7182
		rc = -ENODEV;
		goto err_out_unmap;
	}

7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 7195 7196
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
	for (i = 0, j = 0; i < 3; i++) {
		u8 num, k, skip0;

		num = (u8) (reg >> (24 - (i * 8)));
		for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
			if (num >= k || !skip0 || k == 1) {
				bp->fw_version[j++] = (num / k) + '0';
				skip0 = 0;
			}
		}
		if (i != 2)
			bp->fw_version[j++] = '.';
	}
M
Michael Chan 已提交
7197 7198 7199 7200 7201
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE);
	if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
		bp->wol = 1;

	if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7202
		bp->flags |= BNX2_FLAG_ASF_ENABLE;
7203 7204 7205 7206 7207 7208 7209 7210 7211

		for (i = 0; i < 30; i++) {
			reg = REG_RD_IND(bp, bp->shmem_base +
					     BNX2_BC_STATE_CONDITION);
			if (reg & BNX2_CONDITION_MFW_RUN_MASK)
				break;
			msleep(10);
		}
	}
7212 7213 7214 7215 7216 7217 7218 7219 7220 7221 7222 7223 7224 7225 7226
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_BC_STATE_CONDITION);
	reg &= BNX2_CONDITION_MFW_RUN_MASK;
	if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
	    reg != BNX2_CONDITION_MFW_RUN_NONE) {
		int i;
		u32 addr = REG_RD_IND(bp, bp->shmem_base + BNX2_MFW_VER_PTR);

		bp->fw_version[j++] = ' ';
		for (i = 0; i < 3; i++) {
			reg = REG_RD_IND(bp, addr + i * 4);
			reg = swab32(reg);
			memcpy(&bp->fw_version[j], &reg, 4);
			j += 4;
		}
	}
7227

7228
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
7229 7230 7231
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

7232
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
7233 7234 7235 7236 7237
	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;

7238 7239
	bp->rx_offset = sizeof(struct l2_fhdr) + 2;

7240
	bp->tx_ring_size = MAX_TX_DESC_CNT;
7241
	bnx2_set_rx_ring_size(bp, 255);
7242 7243 7244 7245 7246 7247 7248

	bp->rx_csum = 1;

	bp->tx_quick_cons_trip_int = 20;
	bp->tx_quick_cons_trip = 20;
	bp->tx_ticks_int = 80;
	bp->tx_ticks = 80;
7249

7250 7251 7252 7253 7254
	bp->rx_quick_cons_trip_int = 6;
	bp->rx_quick_cons_trip = 6;
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

7255
	bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7256 7257

	bp->timer_interval =  HZ;
M
Michael Chan 已提交
7258
	bp->current_interval =  HZ;
7259

M
Michael Chan 已提交
7260 7261
	bp->phy_addr = 1;

7262
	/* Disable WOL support if we are running on a SERDES chip. */
7263 7264 7265
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_get_5709_media(bp);
	else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7266
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
M
Michael Chan 已提交
7267

7268
	bp->phy_port = PORT_TP;
7269
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7270
		bp->phy_port = PORT_FIBRE;
M
Michael Chan 已提交
7271 7272 7273
		reg = REG_RD_IND(bp, bp->shmem_base +
				     BNX2_SHARED_HW_CFG_CONFIG);
		if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7274
			bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
7275 7276
			bp->wol = 0;
		}
M
Michael Chan 已提交
7277
		if (CHIP_NUM(bp) != CHIP_NUM_5706) {
M
Michael Chan 已提交
7278 7279
			bp->phy_addr = 2;
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7280
				bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
M
Michael Chan 已提交
7281
		}
7282 7283
		bnx2_init_remote_phy(bp);

7284 7285
	} else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
		   CHIP_NUM(bp) == CHIP_NUM_5708)
7286
		bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7287 7288 7289
	else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
		 (CHIP_REV(bp) == CHIP_REV_Ax ||
		  CHIP_REV(bp) == CHIP_REV_Bx))
7290
		bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7291

7292 7293
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
M
Michael Chan 已提交
7294
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7295
		bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
7296 7297
		bp->wol = 0;
	}
M
Michael Chan 已提交
7298

7299 7300 7301 7302 7303 7304 7305 7306 7307 7308 7309 7310
	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;
	}

7311 7312 7313 7314 7315 7316 7317 7318
	/* 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
7319
	 * prefers to locally disable MSI rather than globally disabling it.
7320 7321 7322 7323 7324 7325 7326 7327
	 */
	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))) {

7328 7329
			if (amd_8132->revision >= 0x10 &&
			    amd_8132->revision <= 0x13) {
7330 7331 7332 7333 7334 7335 7336
				disable_msi = 1;
				pci_dev_put(amd_8132);
				break;
			}
		}
	}

7337
	bnx2_set_default_link(bp);
7338 7339
	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
7340 7341 7342 7343 7344
	init_timer(&bp->timer);
	bp->timer.expires = RUN_AT(bp->timer_interval);
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

7345 7346 7347 7348 7349
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
7350
		bp->regview = NULL;
7351 7352 7353 7354 7355 7356 7357 7358 7359 7360 7361 7362 7363
	}

err_out_release:
	pci_release_regions(pdev);

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

err_out:
	return rc;
}

7364 7365 7366 7367 7368
static char * __devinit
bnx2_bus_string(struct bnx2 *bp, char *str)
{
	char *s = str;

7369
	if (bp->flags & BNX2_FLAG_PCIE) {
7370 7371 7372
		s += sprintf(s, "PCI Express");
	} else {
		s += sprintf(s, "PCI");
7373
		if (bp->flags & BNX2_FLAG_PCIX)
7374
			s += sprintf(s, "-X");
7375
		if (bp->flags & BNX2_FLAG_PCI_32BIT)
7376 7377 7378 7379 7380 7381 7382 7383
			s += sprintf(s, " 32-bit");
		else
			s += sprintf(s, " 64-bit");
		s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
	}
	return str;
}

M
Michael Chan 已提交
7384
static void __devinit
7385 7386
bnx2_init_napi(struct bnx2 *bp)
{
7387 7388
	int i;
	struct bnx2_napi *bnapi;
7389

7390 7391 7392 7393 7394
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
		bnapi = &bp->bnx2_napi[i];
		bnapi->bp = bp;
	}
	netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
M
Michael Chan 已提交
7395 7396
	netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
		       64);
7397 7398
}

7399 7400 7401 7402 7403 7404
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;
7405
	int rc;
7406
	char str[40];
7407
	DECLARE_MAC_BUF(mac);
7408 7409 7410 7411 7412 7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425 7426 7427 7428 7429 7430 7431 7432 7433 7434 7435 7436 7437 7438

	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->ethtool_ops = &bnx2_ethtool_ops;

M
Michael Chan 已提交
7439
	bp = netdev_priv(dev);
7440
	bnx2_init_napi(bp);
7441 7442 7443 7444 7445

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

7446 7447 7448 7449 7450 7451
	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;

7452
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7453
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
7454 7455
		dev->features |= NETIF_F_IPV6_CSUM;

7456 7457 7458 7459
#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;
7460 7461
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		dev->features |= NETIF_F_TSO6;
7462

7463
	if ((rc = register_netdev(dev))) {
7464
		dev_err(&pdev->dev, "Cannot register net device\n");
7465 7466 7467 7468 7469 7470 7471 7472 7473
		if (bp->regview)
			iounmap(bp->regview);
		pci_release_regions(pdev);
		pci_disable_device(pdev);
		pci_set_drvdata(pdev, NULL);
		free_netdev(dev);
		return rc;
	}

7474
	printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7475
		"IRQ %d, node addr %s\n",
7476 7477 7478 7479
		dev->name,
		bp->name,
		((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		((CHIP_ID(bp) & 0x0ff0) >> 4),
7480
		bnx2_bus_string(bp, str),
7481
		dev->base_addr,
7482
		bp->pdev->irq, print_mac(mac, dev->dev_addr));
7483 7484 7485 7486 7487 7488 7489 7490

	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
7491
	struct bnx2 *bp = netdev_priv(dev);
7492

7493 7494
	flush_scheduled_work();

7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506
	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
7507
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7508 7509
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
7510
	struct bnx2 *bp = netdev_priv(dev);
7511 7512
	u32 reset_code;

7513 7514 7515 7516 7517
	/* PCI register 4 needs to be saved whether netif_running() or not.
	 * MSI address and data need to be saved if using MSI and
	 * netif_running().
	 */
	pci_save_state(pdev);
7518 7519 7520
	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
7521
	flush_scheduled_work();
7522 7523 7524
	bnx2_netif_stop(bp);
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
7525
	if (bp->flags & BNX2_FLAG_NO_WOL)
7526
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
7527
	else if (bp->wol)
7528 7529 7530 7531 7532
		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);
7533
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7534 7535 7536 7537 7538 7539 7540
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
7541
	struct bnx2 *bp = netdev_priv(dev);
7542

7543
	pci_restore_state(pdev);
7544 7545 7546
	if (!netif_running(dev))
		return 0;

7547
	bnx2_set_power_state(bp, PCI_D0);
7548 7549 7550 7551 7552 7553 7554
	netif_device_attach(dev);
	bnx2_init_nic(bp);
	bnx2_netif_start(bp);
	return 0;
}

static struct pci_driver bnx2_pci_driver = {
7555 7556 7557 7558 7559 7560
	.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,
7561 7562 7563 7564
};

static int __init bnx2_init(void)
{
7565
	return pci_register_driver(&bnx2_pci_driver);
7566 7567 7568 7569 7570 7571 7572 7573 7574 7575 7576 7577
}

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

module_init(bnx2_init);
module_exit(bnx2_cleanup);