bnx2.c 185.8 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	"1.7.5"
#define DRV_MODULE_RELDATE	"April 29, 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 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 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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}

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static void
bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
{
	bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
}

static u32
bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
{
	return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
}

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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);
492
			bnx2_napi_enable(bp);
493 494 495 496 497 498 499 500
			bnx2_enable_int(bp);
		}
	}
}

static void
bnx2_free_mem(struct bnx2 *bp)
{
501 502
	int i;

M
Michael Chan 已提交
503 504 505 506 507 508 509 510
	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;
		}
	}
511
	if (bp->status_blk) {
512
		pci_free_consistent(bp->pdev, bp->status_stats_size,
513 514
				    bp->status_blk, bp->status_blk_mapping);
		bp->status_blk = NULL;
515
		bp->stats_blk = NULL;
516 517
	}
	if (bp->tx_desc_ring) {
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Michael Chan 已提交
518
		pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
519 520 521
				    bp->tx_desc_ring, bp->tx_desc_mapping);
		bp->tx_desc_ring = NULL;
	}
522 523
	kfree(bp->tx_buf_ring);
	bp->tx_buf_ring = NULL;
524 525
	for (i = 0; i < bp->rx_max_ring; i++) {
		if (bp->rx_desc_ring[i])
M
Michael Chan 已提交
526
			pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
527 528 529 530 531
					    bp->rx_desc_ring[i],
					    bp->rx_desc_mapping[i]);
		bp->rx_desc_ring[i] = NULL;
	}
	vfree(bp->rx_buf_ring);
532
	bp->rx_buf_ring = NULL;
533 534 535 536 537 538 539 540 541 542
	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;
543 544 545 546 547
}

static int
bnx2_alloc_mem(struct bnx2 *bp)
{
548
	int i, status_blk_size;
549

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550
	bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
551 552 553
	if (bp->tx_buf_ring == NULL)
		return -ENOMEM;

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Michael Chan 已提交
554
	bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
555 556 557 558
						&bp->tx_desc_mapping);
	if (bp->tx_desc_ring == NULL)
		goto alloc_mem_err;

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Michael Chan 已提交
559
	bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
560 561 562
	if (bp->rx_buf_ring == NULL)
		goto alloc_mem_err;

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563
	memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
564 565 566

	for (i = 0; i < bp->rx_max_ring; i++) {
		bp->rx_desc_ring[i] =
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Michael Chan 已提交
567
			pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
568 569 570 571 572
					     &bp->rx_desc_mapping[i]);
		if (bp->rx_desc_ring[i] == NULL)
			goto alloc_mem_err;

	}
573

574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592
	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;

	}

593 594
	/* Combine status and statistics blocks into one allocation. */
	status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
595
	if (bp->flags & BNX2_FLAG_MSIX_CAP)
596 597
		status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
						 BNX2_SBLK_MSIX_ALIGN_SIZE);
598 599 600 601
	bp->status_stats_size = status_blk_size +
				sizeof(struct statistics_block);

	bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
602 603 604 605
					      &bp->status_blk_mapping);
	if (bp->status_blk == NULL)
		goto alloc_mem_err;

606
	memset(bp->status_blk, 0, bp->status_stats_size);
607

608
	bp->bnx2_napi[0].status_blk = bp->status_blk;
609
	if (bp->flags & BNX2_FLAG_MSIX_CAP) {
610 611 612
		for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
			struct bnx2_napi *bnapi = &bp->bnx2_napi[i];

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			bnapi->status_blk_msix = (void *)
614 615 616 617 618
				((unsigned long) bp->status_blk +
				 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
			bnapi->int_num = i << 24;
		}
	}
619

620 621
	bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
				  status_blk_size);
622

623
	bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
624

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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;
		}
	}
637 638 639 640 641 642 643
	return 0;

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

644 645 646 647 648
static void
bnx2_report_fw_link(struct bnx2 *bp)
{
	u32 fw_link_status = 0;

649
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
650 651
		return;

652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686
	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;

687 688
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
689 690

			if (!(bmsr & BMSR_ANEGCOMPLETE) ||
691
			    bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
692 693 694 695 696 697 698 699
				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;

700
	bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
701 702
}

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703 704 705 706
static char *
bnx2_xceiver_str(struct bnx2 *bp)
{
	return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
707
		((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
M
Michael Chan 已提交
708 709 710
		 "Copper"));
}

711 712 713 714 715
static void
bnx2_report_link(struct bnx2 *bp)
{
	if (bp->link_up) {
		netif_carrier_on(bp->dev);
M
Michael Chan 已提交
716 717
		printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
		       bnx2_xceiver_str(bp));
718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740

		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);
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Michael Chan 已提交
741 742
		printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
		       bnx2_xceiver_str(bp));
743
	}
744 745

	bnx2_report_fw_link(bp);
746 747 748 749 750 751 752 753
}

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

	bp->flow_ctrl = 0;
754
	if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
755 756 757 758 759 760 761 762 763 764 765 766
		(AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {

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

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

767
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
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Michael Chan 已提交
768 769 770 771 772 773 774 775 776 777 778
	    (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;
	}

779 780
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
781

782
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823
		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;
		}
	}
}

824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862
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;
}

863
static int
M
Michael Chan 已提交
864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893
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)
894 895 896 897 898 899
{
	u32 bmcr, local_adv, remote_adv, common;

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

900
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
901 902 903 904 905 906 907 908 909 910 911
	if (bmcr & BMCR_FULLDPLX) {
		bp->duplex = DUPLEX_FULL;
	}
	else {
		bp->duplex = DUPLEX_HALF;
	}

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

912 913
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933

	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;

934
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950
	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 {
951 952
			bnx2_read_phy(bp, bp->mii_adv, &local_adv);
			bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
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

			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;
}

995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030
static void
bnx2_init_rx_context0(struct bnx2 *bp)
{
	u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);

	val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
	val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
	val |= 0x02 << 8;

	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		u32 lo_water, hi_water;

		if (bp->flow_ctrl & FLOW_CTRL_TX)
			lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
		else
			lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
		if (lo_water >= bp->rx_ring_size)
			lo_water = 0;

		hi_water = bp->rx_ring_size / 4;

		if (hi_water <= lo_water)
			lo_water = 0;

		hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
		lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;

		if (hi_water > 0xf)
			hi_water = 0xf;
		else if (hi_water == 0)
			lo_water = 0;
		val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
	}
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
}

1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045
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
1046
		BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
M
Michael Chan 已提交
1047
		BNX2_EMAC_MODE_25G_MODE);
1048 1049

	if (bp->link_up) {
M
Michael Chan 已提交
1050 1051
		switch (bp->line_speed) {
			case SPEED_10:
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1052 1053
				if (CHIP_NUM(bp) != CHIP_NUM_5706) {
					val |= BNX2_EMAC_MODE_PORT_MII_10M;
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1054 1055 1056 1057 1058 1059 1060
					break;
				}
				/* fall through */
			case SPEED_100:
				val |= BNX2_EMAC_MODE_PORT_MII;
				break;
			case SPEED_2500:
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1061
				val |= BNX2_EMAC_MODE_25G_MODE;
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1062 1063 1064 1065 1066
				/* fall through */
			case SPEED_1000:
				val |= BNX2_EMAC_MODE_PORT_GMII;
				break;
		}
1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094
	}
	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);

1095 1096 1097
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_init_rx_context0(bp);

1098 1099 1100
	return 0;
}

1101 1102 1103
static void
bnx2_enable_bmsr1(struct bnx2 *bp)
{
1104
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1105 1106 1107 1108 1109 1110 1111 1112
	    (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)
{
1113
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1114 1115 1116 1117 1118
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
}

1119 1120 1121 1122 1123 1124
static int
bnx2_test_and_enable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 1;

1125
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1126 1127 1128 1129 1130
		return 0;

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

1131 1132 1133
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1134 1135 1136 1137 1138 1139 1140
	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;
	}

1141 1142 1143 1144
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1145 1146 1147 1148 1149 1150 1151 1152 1153
	return ret;
}

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

1154
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1155 1156
		return 0;

1157 1158 1159
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1160 1161 1162 1163 1164 1165 1166
	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;
	}

1167 1168 1169 1170
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1171 1172 1173 1174 1175 1176 1177 1178
	return ret;
}

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

1179
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1180 1181
		return;

1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196
	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) {
1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213
		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;

1214
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1215 1216
		return;

1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230
	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) {
1231 1232 1233 1234 1235 1236 1237 1238 1239
		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);
}

1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252
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);
}

1253 1254 1255 1256 1257 1258
static int
bnx2_set_link(struct bnx2 *bp)
{
	u32 bmsr;
	u8 link_up;

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1259
	if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1260 1261 1262 1263
		bp->link_up = 1;
		return 0;
	}

1264
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1265 1266
		return 0;

1267 1268
	link_up = bp->link_up;

1269 1270 1271 1272
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
1273

1274
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1275
	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1276
		u32 val, an_dbg;
1277

1278
		if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1279
			bnx2_5706s_force_link_dn(bp, 0);
1280
			bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1281
		}
1282
		val = REG_RD(bp, BNX2_EMAC_STATUS);
1283 1284 1285 1286 1287 1288 1289

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

		if ((val & BNX2_EMAC_STATUS_LINK) &&
		    !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1290 1291 1292 1293 1294 1295 1296 1297
			bmsr |= BMSR_LSTATUS;
		else
			bmsr &= ~BMSR_LSTATUS;
	}

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

1298
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
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			if (CHIP_NUM(bp) == CHIP_NUM_5706)
				bnx2_5706s_linkup(bp);
			else if (CHIP_NUM(bp) == CHIP_NUM_5708)
				bnx2_5708s_linkup(bp);
1303 1304
			else if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bnx2_5709s_linkup(bp);
1305 1306 1307 1308 1309 1310 1311
		}
		else {
			bnx2_copper_linkup(bp);
		}
		bnx2_resolve_flow_ctrl(bp);
	}
	else {
1312
		if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1313 1314
		    (bp->autoneg & AUTONEG_SPEED))
			bnx2_disable_forced_2g5(bp);
1315

1316
		if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1317 1318 1319 1320 1321 1322
			u32 bmcr;

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

1323
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1324
		}
1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342
		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;

1343
        bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1344 1345 1346 1347 1348

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

1349
		bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368
		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)) {

1369
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1370 1371 1372 1373 1374 1375 1376
			adv = ADVERTISE_1000XPAUSE;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1377
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1378 1379 1380 1381 1382 1383 1384
			adv = ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_ASYM;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1385
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1386 1387 1388 1389 1390 1391 1392 1393 1394
			adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
		}
	}
	return adv;
}

1395 1396
static int bnx2_fw_sync(struct bnx2 *, u32, int);

1397
static int
1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437
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;
1438
	if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1439 1440 1441 1442 1443 1444
		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;

1445
	bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1446 1447 1448 1449 1450 1451 1452 1453 1454 1455

	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)
1456
{
1457
	u32 adv, bmcr;
1458 1459
	u32 new_adv = 0;

1460
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1461 1462
		return (bnx2_setup_remote_phy(bp, port));

1463 1464
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		u32 new_bmcr;
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Michael Chan 已提交
1465 1466
		int force_link_down = 0;

1467 1468 1469 1470 1471 1472 1473
		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;
		}
1474
		bnx2_read_phy(bp, bp->mii_adv, &adv);
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1475 1476
		adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);

1477
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1478
		new_bmcr = bmcr & ~BMCR_ANENABLE;
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		new_bmcr |= BMCR_SPEED1000;
1480

1481 1482 1483 1484 1485 1486 1487 1488 1489
		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) {
1490 1491 1492 1493
			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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1494 1495
		}

1496
		if (bp->req_duplex == DUPLEX_FULL) {
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			adv |= ADVERTISE_1000XFULL;
1498 1499 1500
			new_bmcr |= BMCR_FULLDPLX;
		}
		else {
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1501
			adv |= ADVERTISE_1000XHALF;
1502 1503
			new_bmcr &= ~BMCR_FULLDPLX;
		}
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1504
		if ((new_bmcr != bmcr) || (force_link_down)) {
1505 1506
			/* Force a link down visible on the other side */
			if (bp->link_up) {
1507
				bnx2_write_phy(bp, bp->mii_adv, adv &
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1508 1509
					       ~(ADVERTISE_1000XFULL |
						 ADVERTISE_1000XHALF));
1510
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1511 1512 1513 1514
					BMCR_ANRESTART | BMCR_ANENABLE);

				bp->link_up = 0;
				netif_carrier_off(bp->dev);
1515
				bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
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1516
				bnx2_report_link(bp);
1517
			}
1518 1519
			bnx2_write_phy(bp, bp->mii_adv, adv);
			bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1520 1521 1522
		} else {
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
1523 1524 1525 1526
		}
		return 0;
	}

1527
	bnx2_test_and_enable_2g5(bp);
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1529 1530 1531 1532 1533
	if (bp->advertising & ADVERTISED_1000baseT_Full)
		new_adv |= ADVERTISE_1000XFULL;

	new_adv |= bnx2_phy_get_pause_adv(bp);

1534 1535
	bnx2_read_phy(bp, bp->mii_adv, &adv);
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1536 1537 1538 1539 1540

	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) {
1541
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
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1542 1543 1544
			spin_unlock_bh(&bp->phy_lock);
			msleep(20);
			spin_lock_bh(&bp->phy_lock);
1545 1546
		}

1547 1548
		bnx2_write_phy(bp, bp->mii_adv, new_adv);
		bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1549
			BMCR_ANENABLE);
1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560
		/* 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);
1561 1562 1563
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1564 1565 1566 1567 1568 1569
	}

	return 0;
}

#define ETHTOOL_ALL_FIBRE_SPEED						\
1570
	(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ?			\
1571 1572
		(ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
		(ADVERTISED_1000baseT_Full)
1573 1574 1575 1576 1577 1578 1579 1580

#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)
1581

1582 1583
#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)

1584 1585 1586 1587 1588 1589
static void
bnx2_set_default_remote_link(struct bnx2 *bp)
{
	u32 link;

	if (bp->phy_port == PORT_TP)
1590
		link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1591
	else
1592
		link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630

	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;
	}
}

1631 1632 1633
static void
bnx2_set_default_link(struct bnx2 *bp)
{
1634 1635 1636 1637
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
		bnx2_set_default_remote_link(bp);
		return;
	}
1638

1639 1640
	bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
	bp->req_line_speed = 0;
1641
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1642 1643 1644 1645
		u32 reg;

		bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;

1646
		reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1647 1648 1649 1650 1651 1652 1653 1654 1655 1656
		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;
}

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Michael Chan 已提交
1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670
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);
}

1671 1672 1673 1674 1675 1676 1677
static void
bnx2_remote_phy_event(struct bnx2 *bp)
{
	u32 msg;
	u8 link_up = bp->link_up;
	u8 old_port;

1678
	msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1679

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Michael Chan 已提交
1680 1681 1682 1683 1684
	if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
		bnx2_send_heart_beat(bp);

	msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;

1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752
	if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
		bp->link_up = 0;
	else {
		u32 speed;

		bp->link_up = 1;
		speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
		bp->duplex = DUPLEX_FULL;
		switch (speed) {
			case BNX2_LINK_STATUS_10HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_10FULL:
				bp->line_speed = SPEED_10;
				break;
			case BNX2_LINK_STATUS_100HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_100BASE_T4:
			case BNX2_LINK_STATUS_100FULL:
				bp->line_speed = SPEED_100;
				break;
			case BNX2_LINK_STATUS_1000HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_1000FULL:
				bp->line_speed = SPEED_1000;
				break;
			case BNX2_LINK_STATUS_2500HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_2500FULL:
				bp->line_speed = SPEED_2500;
				break;
			default:
				bp->line_speed = 0;
				break;
		}

		bp->flow_ctrl = 0;
		if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
		    (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
			if (bp->duplex == DUPLEX_FULL)
				bp->flow_ctrl = bp->req_flow_ctrl;
		} else {
			if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
				bp->flow_ctrl |= FLOW_CTRL_TX;
			if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
				bp->flow_ctrl |= FLOW_CTRL_RX;
		}

		old_port = bp->phy_port;
		if (msg & BNX2_LINK_STATUS_SERDES_LINK)
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;

		if (old_port != bp->phy_port)
			bnx2_set_default_link(bp);

	}
	if (bp->link_up != link_up)
		bnx2_report_link(bp);

	bnx2_set_mac_link(bp);
}

static int
bnx2_set_remote_link(struct bnx2 *bp)
{
	u32 evt_code;

1753
	evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1754 1755 1756 1757 1758 1759
	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:
M
Michael Chan 已提交
1760
			bnx2_send_heart_beat(bp);
1761 1762 1763 1764 1765
			break;
	}
	return 0;
}

1766 1767 1768 1769 1770 1771
static int
bnx2_setup_copper_phy(struct bnx2 *bp)
{
	u32 bmcr;
	u32 new_bmcr;

1772
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1773 1774 1775 1776 1777 1778

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

1779
		bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795
		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;
1796

1797 1798 1799 1800 1801 1802 1803 1804
		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)) {

1805
			bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1806
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1807
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829
				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;

1830 1831
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1832

1833 1834
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
1835
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1836 1837 1838 1839
			spin_unlock_bh(&bp->phy_lock);
			msleep(50);
			spin_lock_bh(&bp->phy_lock);

1840 1841
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1842 1843
		}

1844
		bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855

		/* 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);
		}
1856 1857 1858
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1859 1860 1861 1862 1863
	}
	return 0;
}

static int
1864
bnx2_setup_phy(struct bnx2 *bp, u8 port)
1865 1866 1867 1868
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

1869
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1870
		return (bnx2_setup_serdes_phy(bp, port));
1871 1872 1873 1874 1875 1876
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

1877
static int
1878
bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892
{
	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);
1893 1894
	if (reset_phy)
		bnx2_reset_phy(bp);
1895 1896 1897 1898 1899 1900 1901 1902 1903 1904

	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);
1905
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926
		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;
}

1927
static int
1928
bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
M
Michael Chan 已提交
1929 1930 1931
{
	u32 val;

1932 1933
	if (reset_phy)
		bnx2_reset_phy(bp);
1934 1935 1936

	bp->mii_up1 = BCM5708S_UP1;

M
Michael Chan 已提交
1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
	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);

1949
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
M
Michael Chan 已提交
1950 1951 1952 1953 1954 1955
		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
1956 1957
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
1958 1959 1960 1961 1962 1963 1964 1965 1966
		/* 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);
	}

1967
	val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
M
Michael Chan 已提交
1968 1969 1970 1971 1972
	      BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;

	if (val) {
		u32 is_backplane;

1973
		is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985
		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
1986
bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
1987
{
1988 1989
	if (reset_phy)
		bnx2_reset_phy(bp);
1990

1991
	bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1992

M
Michael Chan 已提交
1993 1994
	if (CHIP_NUM(bp) == CHIP_NUM_5706)
        	REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023

	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
2024
bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2025
{
M
Michael Chan 已提交
2026 2027
	u32 val;

2028 2029
	if (reset_phy)
		bnx2_reset_phy(bp);
2030

2031
	if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2032 2033 2034 2035 2036 2037 2038 2039 2040 2041
		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);
	}

2042
	if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2043 2044 2045 2046 2047 2048 2049
		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);
	}

2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067
	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
2068 2069 2070 2071
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2072 2073 2074 2075 2076
	return 0;
}


static int
2077
bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2078 2079 2080 2081
{
	u32 val;
	int rc = 0;

2082 2083
	bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
	bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2084

2085 2086
	bp->mii_bmcr = MII_BMCR;
	bp->mii_bmsr = MII_BMSR;
2087
	bp->mii_bmsr1 = MII_BMSR;
2088 2089 2090
	bp->mii_adv = MII_ADVERTISE;
	bp->mii_lpa = MII_LPA;

2091 2092
        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

2093
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2094 2095
		goto setup_phy;

2096 2097 2098 2099 2100
	bnx2_read_phy(bp, MII_PHYSID1, &val);
	bp->phy_id = val << 16;
	bnx2_read_phy(bp, MII_PHYSID2, &val);
	bp->phy_id |= val & 0xffff;

2101
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
M
Michael Chan 已提交
2102
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
2103
			rc = bnx2_init_5706s_phy(bp, reset_phy);
M
Michael Chan 已提交
2104
		else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2105
			rc = bnx2_init_5708s_phy(bp, reset_phy);
2106
		else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2107
			rc = bnx2_init_5709s_phy(bp, reset_phy);
2108 2109
	}
	else {
2110
		rc = bnx2_init_copper_phy(bp, reset_phy);
2111 2112
	}

2113 2114 2115
setup_phy:
	if (!rc)
		rc = bnx2_setup_phy(bp, bp->phy_port);
2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132

	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
2133 2134 2135 2136 2137 2138 2139 2140 2141
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);
2142
	rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
M
Michael Chan 已提交
2143 2144 2145 2146 2147 2148 2149 2150
			    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
2151
		msleep(100);
M
Michael Chan 已提交
2152 2153 2154 2155 2156
	}

	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
2157
		      BNX2_EMAC_MODE_25G_MODE);
M
Michael Chan 已提交
2158 2159 2160 2161 2162 2163 2164

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

2165
static int
2166
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
2167 2168 2169 2170 2171 2172 2173
{
	int i;
	u32 val;

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

2174
	bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2175 2176

	/* wait for an acknowledgement. */
2177 2178
	for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
		msleep(10);
2179

2180
		val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2181 2182 2183 2184

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
2185 2186
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
2187 2188

	/* If we timed out, inform the firmware that this is the case. */
2189 2190 2191 2192
	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);
2193 2194 2195 2196

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

2197
		bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2198 2199 2200 2201

		return -EBUSY;
	}

2202 2203 2204
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

2205 2206 2207
	return 0;
}

M
Michael Chan 已提交
2208 2209 2210 2211 2212 2213 2214 2215 2216
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);
2217 2218 2219 2220 2221 2222 2223 2224 2225
	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
2226 2227 2228
	for (i = 0; i < bp->ctx_pages; i++) {
		int j;

2229 2230 2231 2232 2233
		if (bp->ctx_blk[i])
			memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
		else
			return -ENOMEM;

M
Michael Chan 已提交
2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255
		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;
}

2256 2257 2258 2259 2260 2261 2262 2263
static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;
2264
		int i;
2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284

		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;
		}

2285 2286 2287
		for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
			vcid_addr += (i << PHY_CTX_SHIFT);
			pcid_addr += (i << PHY_CTX_SHIFT);
2288

2289
			REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2290
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2291

2292 2293
			/* Zero out the context. */
			for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
M
Michael Chan 已提交
2294
				bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2295
		}
2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318
	}
}

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. */
2319
	val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2320
	while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2321 2322
		bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
				BNX2_RBUF_COMMAND_ALLOC_REQ);
2323

2324
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2325 2326 2327 2328 2329 2330 2331 2332 2333

		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++;
		}

2334
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2335 2336 2337 2338 2339 2340 2341 2342 2343 2344
	}

	/* 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;

2345
		bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2346 2347 2348 2349 2350 2351
	}
	kfree(good_mbuf);
	return 0;
}

static void
2352
bnx2_set_mac_addr(struct bnx2 *bp)
2353 2354 2355 2356 2357 2358 2359 2360
{
	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);

2361
	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2362 2363 2364 2365 2366
		(mac_addr[4] << 8) | mac_addr[5];

	REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
}

2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402
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;
}

2403
static inline int
2404
bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
2405 2406 2407 2408
{
	struct sk_buff *skb;
	struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
	dma_addr_t mapping;
2409
	struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2410 2411
	unsigned long align;

2412
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2413 2414 2415 2416
	if (skb == NULL) {
		return -ENOMEM;
	}

M
Michael Chan 已提交
2417 2418
	if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
		skb_reserve(skb, BNX2_RX_ALIGN - align);
2419 2420 2421 2422 2423 2424 2425 2426 2427 2428

	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;

2429
	bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2430 2431 2432 2433

	return 0;
}

2434
static int
2435
bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2436
{
2437
	struct status_block *sblk = bnapi->status_blk;
2438
	u32 new_link_state, old_link_state;
2439
	int is_set = 1;
2440

2441 2442
	new_link_state = sblk->status_attn_bits & event;
	old_link_state = sblk->status_attn_bits_ack & event;
2443
	if (new_link_state != old_link_state) {
2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454
		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
2455
bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2456
{
M
Michael Chan 已提交
2457 2458 2459
	spin_lock(&bp->phy_lock);

	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2460
		bnx2_set_link(bp);
2461
	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2462 2463
		bnx2_set_remote_link(bp);

M
Michael Chan 已提交
2464 2465
	spin_unlock(&bp->phy_lock);

2466 2467
}

2468
static inline u16
2469
bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2470 2471 2472
{
	u16 cons;

2473 2474 2475 2476
	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;
2477 2478 2479 2480 2481 2482

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

M
Michael Chan 已提交
2483 2484
static int
bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2485 2486
{
	u16 hw_cons, sw_cons, sw_ring_cons;
M
Michael Chan 已提交
2487
	int tx_pkt = 0;
2488

2489
	hw_cons = bnx2_get_hw_tx_cons(bnapi);
2490
	sw_cons = bnapi->tx_cons;
2491 2492 2493 2494 2495 2496 2497 2498 2499 2500

	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
2501

2502
		/* partial BD completions possible with TSO packets */
H
Herbert Xu 已提交
2503
		if (skb_is_gso(skb)) {
2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516
			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
2517

2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536
		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);

2537
		dev_kfree_skb(skb);
M
Michael Chan 已提交
2538 2539 2540
		tx_pkt++;
		if (tx_pkt == budget)
			break;
2541

2542
		hw_cons = bnx2_get_hw_tx_cons(bnapi);
2543 2544
	}

2545 2546
	bnapi->hw_tx_cons = hw_cons;
	bnapi->tx_cons = sw_cons;
M
Michael Chan 已提交
2547 2548 2549 2550 2551 2552
	/* 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();
2553

M
Michael Chan 已提交
2554
	if (unlikely(netif_queue_stopped(bp->dev)) &&
2555
		     (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
M
Michael Chan 已提交
2556
		netif_tx_lock(bp->dev);
2557
		if ((netif_queue_stopped(bp->dev)) &&
2558
		    (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
2559
			netif_wake_queue(bp->dev);
M
Michael Chan 已提交
2560
		netif_tx_unlock(bp->dev);
2561
	}
M
Michael Chan 已提交
2562
	return tx_pkt;
2563 2564
}

2565
static void
2566 2567
bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
			struct sk_buff *skb, int count)
2568 2569 2570 2571 2572
{
	struct sw_pg *cons_rx_pg, *prod_rx_pg;
	struct rx_bd *cons_bd, *prod_bd;
	dma_addr_t mapping;
	int i;
2573 2574
	u16 hw_prod = bnapi->rx_pg_prod, prod;
	u16 cons = bnapi->rx_pg_cons;
2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610

	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);
	}
2611 2612
	bnapi->rx_pg_prod = hw_prod;
	bnapi->rx_pg_cons = cons;
2613 2614
}

2615
static inline void
2616
bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2617 2618
	u16 cons, u16 prod)
{
2619 2620 2621 2622 2623
	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];
2624 2625 2626 2627 2628

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

2629
	bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2630

2631
	prod_rx_buf->skb = skb;
2632

2633 2634
	if (cons == prod)
		return;
2635

2636 2637 2638
	pci_unmap_addr_set(prod_rx_buf, mapping,
			pci_unmap_addr(cons_rx_buf, mapping));

2639 2640
	cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2641 2642
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2643 2644
}

2645
static int
2646 2647 2648
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)
2649 2650 2651 2652
{
	int err;
	u16 prod = ring_idx & 0xffff;

2653
	err = bnx2_alloc_rx_skb(bp, bnapi, prod);
2654
	if (unlikely(err)) {
2655
		bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
2656 2657 2658 2659
		if (hdr_len) {
			unsigned int raw_len = len + 4;
			int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;

2660
			bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
2661
		}
2662 2663 2664 2665 2666 2667 2668
		return err;
	}

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

2669 2670 2671 2672 2673 2674
	if (hdr_len == 0) {
		skb_put(skb, len);
		return 0;
	} else {
		unsigned int i, frag_len, frag_size, pages;
		struct sw_pg *rx_pg;
2675 2676
		u16 pg_cons = bnapi->rx_pg_cons;
		u16 pg_prod = bnapi->rx_pg_prod;
2677 2678 2679 2680 2681 2682 2683 2684 2685 2686

		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;

2687 2688 2689 2690
				bnapi->rx_pg_cons = pg_cons;
				bnapi->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
							pages - i);
2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715
				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)) {
2716 2717 2718 2719
				bnapi->rx_pg_cons = pg_cons;
				bnapi->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
							pages - i);
2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730
				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));
		}
2731 2732
		bnapi->rx_pg_prod = pg_prod;
		bnapi->rx_pg_cons = pg_cons;
2733
	}
2734 2735 2736
	return 0;
}

M
Michael Chan 已提交
2737
static inline u16
2738
bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
2739
{
2740
	u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
M
Michael Chan 已提交
2741 2742 2743 2744 2745 2746

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

2747
static int
2748
bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2749 2750 2751
{
	u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
	struct l2_fhdr *rx_hdr;
2752
	int rx_pkt = 0, pg_ring_used = 0;
2753

2754
	hw_cons = bnx2_get_hw_rx_cons(bnapi);
2755 2756
	sw_cons = bnapi->rx_cons;
	sw_prod = bnapi->rx_prod;
2757 2758 2759 2760 2761 2762

	/* 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) {
2763
		unsigned int len, hdr_len;
2764
		u32 status;
2765 2766
		struct sw_bd *rx_buf;
		struct sk_buff *skb;
2767
		dma_addr_t dma_addr;
2768 2769 2770 2771 2772 2773

		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;
2774 2775 2776 2777 2778 2779

		rx_buf->skb = NULL;

		dma_addr = pci_unmap_addr(rx_buf, mapping);

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2780 2781 2782
			bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);

		rx_hdr = (struct l2_fhdr *) skb->data;
2783
		len = rx_hdr->l2_fhdr_pkt_len;
2784

2785
		if ((status = rx_hdr->l2_fhdr_status) &
2786 2787 2788 2789 2790 2791
			(L2_FHDR_ERRORS_BAD_CRC |
			L2_FHDR_ERRORS_PHY_DECODE |
			L2_FHDR_ERRORS_ALIGNMENT |
			L2_FHDR_ERRORS_TOO_SHORT |
			L2_FHDR_ERRORS_GIANT_FRAME)) {

2792 2793
			bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
					  sw_ring_prod);
2794
			goto next_rx;
2795
		}
2796 2797 2798 2799 2800 2801 2802 2803 2804 2805
		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;
2806

2807
		if (len <= bp->rx_copy_thresh) {
2808 2809
			struct sk_buff *new_skb;

2810
			new_skb = netdev_alloc_skb(bp->dev, len + 2);
2811
			if (new_skb == NULL) {
2812
				bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2813 2814 2815
						  sw_ring_prod);
				goto next_rx;
			}
2816 2817

			/* aligned copy */
2818 2819
			skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
				      new_skb->data, len + 2);
2820 2821 2822
			skb_reserve(new_skb, 2);
			skb_put(new_skb, len);

2823
			bnx2_reuse_rx_skb(bp, bnapi, skb,
2824 2825 2826
				sw_ring_cons, sw_ring_prod);

			skb = new_skb;
2827 2828
		} else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
			   dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2829 2830 2831 2832 2833
			goto next_rx;

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

		if ((len > (bp->dev->mtu + ETH_HLEN)) &&
A
Alexey Dobriyan 已提交
2834
			(ntohs(skb->protocol) != 0x8100)) {
2835

2836
			dev_kfree_skb(skb);
2837 2838 2839 2840 2841 2842 2843 2844 2845
			goto next_rx;

		}

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

2846 2847
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2848 2849 2850 2851
				skb->ip_summed = CHECKSUM_UNNECESSARY;
		}

#ifdef BCM_VLAN
A
Al Viro 已提交
2852
		if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868
			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
2869 2870 2871

		/* Refresh hw_cons to see if there is new work */
		if (sw_cons == hw_cons) {
2872
			hw_cons = bnx2_get_hw_rx_cons(bnapi);
M
Michael Chan 已提交
2873 2874
			rmb();
		}
2875
	}
2876 2877
	bnapi->rx_cons = sw_cons;
	bnapi->rx_prod = sw_prod;
2878

2879 2880
	if (pg_ring_used)
		REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2881
			 bnapi->rx_pg_prod);
2882

2883 2884
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);

2885
	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896

	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
2897
bnx2_msi(int irq, void *dev_instance)
2898 2899
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2900
	struct bnx2 *bp = netdev_priv(dev);
2901
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2902

2903
	prefetch(bnapi->status_blk);
2904 2905 2906 2907 2908
	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. */
2909 2910
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2911

2912
	netif_rx_schedule(dev, &bnapi->napi);
2913

2914
	return IRQ_HANDLED;
2915 2916
}

2917 2918 2919 2920 2921
static irqreturn_t
bnx2_msi_1shot(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2 *bp = netdev_priv(dev);
2922
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2923

2924
	prefetch(bnapi->status_blk);
2925 2926 2927 2928 2929

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

2930
	netif_rx_schedule(dev, &bnapi->napi);
2931 2932 2933 2934

	return IRQ_HANDLED;
}

2935
static irqreturn_t
2936
bnx2_interrupt(int irq, void *dev_instance)
2937 2938
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2939
	struct bnx2 *bp = netdev_priv(dev);
2940
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2941
	struct status_block *sblk = bnapi->status_blk;
2942 2943 2944 2945 2946 2947 2948

	/* 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.
	 */
2949
	if ((sblk->status_idx == bnapi->last_status_idx) &&
2950 2951
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2952
		return IRQ_NONE;
2953 2954 2955 2956 2957

	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

2958 2959 2960 2961 2962
	/* Read back to deassert IRQ immediately to avoid too many
	 * spurious interrupts.
	 */
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);

2963
	/* Return here if interrupt is shared and is disabled. */
2964 2965
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2966

2967 2968 2969
	if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
		bnapi->last_status_idx = sblk->status_idx;
		__netif_rx_schedule(dev, &bnapi->napi);
2970
	}
2971

2972
	return IRQ_HANDLED;
2973 2974
}

M
Michael Chan 已提交
2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991
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;
}

2992 2993
#define STATUS_ATTN_EVENTS	(STATUS_ATTN_BITS_LINK_STATE | \
				 STATUS_ATTN_BITS_TIMER_ABORT)
2994

M
Michael Chan 已提交
2995
static inline int
2996
bnx2_has_work(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
2997
{
2998
	struct status_block *sblk = bnapi->status_blk;
M
Michael Chan 已提交
2999

3000
	if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
3001
	    (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
M
Michael Chan 已提交
3002 3003
		return 1;

3004 3005
	if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
M
Michael Chan 已提交
3006 3007 3008 3009 3010
		return 1;

	return 0;
}

M
Michael Chan 已提交
3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033
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;
}

3034 3035
static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
			  int work_done, int budget)
3036
{
3037
	struct status_block *sblk = bnapi->status_blk;
3038 3039
	u32 status_attn_bits = sblk->status_attn_bits;
	u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3040

3041 3042
	if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3043

3044
		bnx2_phy_int(bp, bnapi);
M
Michael Chan 已提交
3045 3046 3047 3048 3049 3050 3051

		/* 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);
3052 3053
	}

3054
	if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
M
Michael Chan 已提交
3055
		bnx2_tx_int(bp, bnapi, 0);
3056

3057
	if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
3058
		work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3059

3060 3061 3062 3063 3064
	return work_done;
}

static int bnx2_poll(struct napi_struct *napi, int budget)
{
3065 3066
	struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
	struct bnx2 *bp = bnapi->bp;
3067
	int work_done = 0;
3068
	struct status_block *sblk = bnapi->status_blk;
3069 3070

	while (1) {
3071
		work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
M
Michael Chan 已提交
3072

3073 3074 3075
		if (unlikely(work_done >= budget))
			break;

3076
		/* bnapi->last_status_idx is used below to tell the hw how
M
Michael Chan 已提交
3077 3078 3079
		 * much work has been processed, so we must read it before
		 * checking for more work.
		 */
3080
		bnapi->last_status_idx = sblk->status_idx;
M
Michael Chan 已提交
3081
		rmb();
3082
		if (likely(!bnx2_has_work(bnapi))) {
3083
			netif_rx_complete(bp->dev, napi);
3084
			if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3085 3086
				REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
				       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3087
				       bnapi->last_status_idx);
M
Michael Chan 已提交
3088
				break;
3089
			}
3090 3091
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3092
			       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3093
			       bnapi->last_status_idx);
3094

3095 3096
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3097
			       bnapi->last_status_idx);
3098 3099
			break;
		}
3100 3101
	}

3102
	return work_done;
3103 3104
}

H
Herbert Xu 已提交
3105
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
3106 3107 3108 3109 3110
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
3111
	struct bnx2 *bp = netdev_priv(dev);
3112 3113 3114
	u32 rx_mode, sort_mode;
	int i;

3115
	spin_lock_bh(&bp->phy_lock);
3116 3117 3118 3119 3120

	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
3121
	if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
3122 3123
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
3124
	if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
M
Michael Chan 已提交
3125
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3126 3127 3128 3129
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
M
Michael Chan 已提交
3130 3131
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176
	}
	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);

3177
	spin_unlock_bh(&bp->phy_lock);
3178 3179 3180
}

static void
A
Al Viro 已提交
3181
load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3182 3183 3184 3185 3186
	u32 rv2p_proc)
{
	int i;
	u32 val;

3187 3188 3189 3190 3191 3192
	if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
		val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
		val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
		val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
		rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
	}
3193 3194

	for (i = 0; i < rv2p_code_len; i += 8) {
A
Al Viro 已提交
3195
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3196
		rv2p_code++;
A
Al Viro 已提交
3197
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218
		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);
	}
}

3219
static int
3220 3221 3222 3223
load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
{
	u32 offset;
	u32 val;
3224
	int rc;
3225 3226

	/* Halt the CPU. */
3227
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3228
	val |= cpu_reg->mode_value_halt;
3229 3230
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3231 3232 3233

	/* Load the Text area. */
	offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3234
	if (fw->gz_text) {
3235 3236
		int j;

M
Michael Chan 已提交
3237 3238 3239
		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
3240
			return rc;
M
Michael Chan 已提交
3241

3242
		for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3243
			bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3244 3245 3246 3247 3248 3249 3250 3251 3252
	        }
	}

	/* 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) {
3253
			bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3254 3255 3256 3257 3258
		}
	}

	/* Load the SBSS area. */
	offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
M
Michael Chan 已提交
3259
	if (fw->sbss_len) {
3260 3261 3262
		int j;

		for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3263
			bnx2_reg_wr_ind(bp, offset, 0);
3264 3265 3266 3267 3268
		}
	}

	/* Load the BSS area. */
	offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
M
Michael Chan 已提交
3269
	if (fw->bss_len) {
3270 3271 3272
		int j;

		for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3273
			bnx2_reg_wr_ind(bp, offset, 0);
3274 3275 3276 3277 3278 3279 3280 3281 3282 3283
		}
	}

	/* 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) {
3284
			bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3285 3286 3287 3288
		}
	}

	/* Clear the pre-fetch instruction. */
3289 3290
	bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
	bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3291 3292

	/* Start the CPU. */
3293
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3294
	val &= ~cpu_reg->mode_value_halt;
3295 3296
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3297 3298

	return 0;
3299 3300
}

3301
static int
3302 3303 3304
bnx2_init_cpus(struct bnx2 *bp)
{
	struct cpu_reg cpu_reg;
3305
	struct fw_info *fw;
3306 3307
	int rc, rv2p_len;
	void *text, *rv2p;
3308 3309

	/* Initialize the RV2P processor. */
D
Denys Vlasenko 已提交
3310 3311 3312
	text = vmalloc(FW_BUF_SIZE);
	if (!text)
		return -ENOMEM;
3313 3314 3315 3316 3317 3318 3319 3320
	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
3321
	if (rc < 0)
3322
		goto init_cpu_err;
M
Michael Chan 已提交
3323

D
Denys Vlasenko 已提交
3324
	load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3325

3326 3327 3328 3329 3330 3331 3332 3333
	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
3334
	if (rc < 0)
3335
		goto init_cpu_err;
M
Michael Chan 已提交
3336

D
Denys Vlasenko 已提交
3337
	load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351

	/* 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;
3352

M
Michael Chan 已提交
3353 3354 3355 3356
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_rxp_fw_09;
	else
		fw = &bnx2_rxp_fw_06;
3357

M
Michael Chan 已提交
3358
	fw->text = text;
3359
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3360 3361 3362
	if (rc)
		goto init_cpu_err;

3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375
	/* 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;
3376

M
Michael Chan 已提交
3377 3378 3379 3380
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_txp_fw_09;
	else
		fw = &bnx2_txp_fw_06;
3381

M
Michael Chan 已提交
3382
	fw->text = text;
3383
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3384 3385 3386
	if (rc)
		goto init_cpu_err;

3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399
	/* 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;
3400

M
Michael Chan 已提交
3401 3402 3403 3404
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_tpat_fw_09;
	else
		fw = &bnx2_tpat_fw_06;
3405

M
Michael Chan 已提交
3406
	fw->text = text;
3407
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3408 3409 3410
	if (rc)
		goto init_cpu_err;

3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423
	/* 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;
3424

M
Michael Chan 已提交
3425 3426 3427 3428
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_com_fw_09;
	else
		fw = &bnx2_com_fw_06;
3429

M
Michael Chan 已提交
3430
	fw->text = text;
3431
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3432 3433 3434
	if (rc)
		goto init_cpu_err;

M
Michael Chan 已提交
3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447
	/* 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;
3448

3449
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
M
Michael Chan 已提交
3450
		fw = &bnx2_cp_fw_09;
3451 3452 3453 3454 3455
	else
		fw = &bnx2_cp_fw_06;

	fw->text = text;
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3456

3457
init_cpu_err:
M
Michael Chan 已提交
3458
	vfree(text);
3459
	return rc;
3460 3461 3462
}

static int
3463
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3464 3465 3466 3467 3468 3469
{
	u16 pmcsr;

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

	switch (state) {
3470
	case PCI_D0: {
3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490
		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;
	}
3491
	case PCI_D3hot: {
3492 3493 3494 3495 3496 3497 3498 3499 3500 3501
		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
3502 3503 3504 3505 3506 3507 3508 3509
			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;
			}
3510

M
Michael Chan 已提交
3511 3512 3513
			spin_lock_bh(&bp->phy_lock);
			bnx2_setup_phy(bp, bp->phy_port);
			spin_unlock_bh(&bp->phy_lock);
3514 3515 3516 3517 3518 3519 3520 3521 3522 3523

			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
3524
			val |= BNX2_EMAC_MODE_MPKT_RCVD |
3525 3526
			       BNX2_EMAC_MODE_ACPI_RCVD |
			       BNX2_EMAC_MODE_MPKT;
M
Michael Chan 已提交
3527 3528 3529 3530 3531 3532 3533
			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;
			}
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

			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;
		}

3568
		if (!(bp->flags & BNX2_FLAG_NO_WOL))
M
Michael Chan 已提交
3569
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652

		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
3653
	if (bp->flash_info->flags & BNX2_NV_WREN) {
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 3683 3684 3685 3686 3687 3688 3689 3690
		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. */
3691
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3692 3693 3694 3695 3696 3697 3698 3699 3700 3701
	       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. */
3702
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3703 3704 3705 3706 3707 3708 3709 3710 3711 3712
		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
3713
	if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755
		/* 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
3756 3757
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779
		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
3780 3781
			__be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
			memcpy(ret_val, &v, 4);
3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794
			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
3795 3796
	u32 cmd;
	__be32 val32;
3797 3798 3799 3800 3801
	int j;

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

M
Michael Chan 已提交
3802 3803
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814
		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
3815
	REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839

	/* 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
3840
	int j, entry_count, rc = 0;
3841 3842
	struct flash_spec *flash;

M
Michael Chan 已提交
3843 3844 3845 3846 3847
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->flash_info = &flash_5709;
		goto get_flash_size;
	}

3848 3849 3850
	/* Determine the selected interface. */
	val = REG_RD(bp, BNX2_NVM_CFG1);

3851
	entry_count = ARRAY_SIZE(flash_table);
3852 3853 3854 3855 3856

	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
3857 3858 3859
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3860 3861 3862 3863 3864 3865
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
3866
		u32 mask;
3867 3868
		/* Not yet been reconfigured */

3869 3870 3871 3872 3873
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

3874 3875 3876
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

3877
			if ((val & mask) == (flash->strapping & mask)) {
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
				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;
3904
		printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
M
Michael Chan 已提交
3905
		return -ENODEV;
3906 3907
	}

M
Michael Chan 已提交
3908
get_flash_size:
3909
	val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
M
Michael Chan 已提交
3910 3911 3912 3913 3914 3915
	val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
	if (val)
		bp->flash_size = val;
	else
		bp->flash_size = bp->flash_info->total_size;

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 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033
	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;
4034
	u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4035 4036 4037 4038 4039 4040 4041 4042 4043 4044
	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
4045 4046 4047
		len32 += align_start;
		if (len32 < 4)
			len32 = 4;
4048 4049 4050 4051 4052
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
M
Michael Chan 已提交
4053 4054 4055 4056
		align_end = 4 - (len32 & 3);
		len32 += align_end;
		if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
			return rc;
4057 4058 4059
	}

	if (align_start || align_end) {
4060 4061
		align_buf = kmalloc(len32, GFP_KERNEL);
		if (align_buf == NULL)
4062 4063
			return -ENOMEM;
		if (align_start) {
4064
			memcpy(align_buf, start, 4);
4065 4066
		}
		if (align_end) {
4067
			memcpy(align_buf + len32 - 4, end, 4);
4068
		}
4069 4070
		memcpy(align_buf + align_start, data_buf, buf_size);
		buf = align_buf;
4071 4072
	}

M
Michael Chan 已提交
4073
	if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4074 4075 4076 4077 4078 4079 4080
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094
	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 */
4095
		data_end = (page_end > offset32 + len32) ?
4096 4097 4098 4099 4100 4101 4102 4103 4104 4105
			(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
4106
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4107 4108 4109 4110 4111 4112 4113 4114 4115
			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,
4116 4117
					page_start + j,
					&flash_buffer[j],
4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133
					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
4134
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
M
Michael Chan 已提交
4135 4136 4137 4138 4139 4140 4141
			/* 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);

4142 4143
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
4144

4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155
				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 */
4156
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4157
			if ((addr == page_end - 4) ||
M
Michael Chan 已提交
4158
				((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174
				 (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
4175
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4176 4177
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
4178

4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203
				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:
4204 4205
	kfree(flash_buffer);
	kfree(align_buf);
4206 4207 4208
	return rc;
}

4209 4210 4211 4212 4213
static void
bnx2_init_remote_phy(struct bnx2 *bp)
{
	u32 val;

4214 4215
	bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
	if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
4216 4217
		return;

4218
	val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4219 4220 4221 4222
	if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
		return;

	if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
4223
		bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4224

4225
		val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4226 4227 4228 4229
		if (val & BNX2_LINK_STATUS_SERDES_LINK)
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;
4230 4231 4232 4233 4234 4235

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

			sig = BNX2_DRV_ACK_CAP_SIGNATURE |
			      BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4236
			bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4237
		}
4238 4239 4240
	}
}

4241 4242 4243 4244 4245 4246 4247 4248 4249
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);
}

4250 4251 4252 4253 4254
static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;
4255
	u8 old_port;
4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266

	/* 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);

4267 4268 4269
	/* 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);

4270 4271
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
4272 4273
	bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
		      BNX2_DRV_RESET_SIGNATURE_MAGIC);
4274 4275 4276 4277 4278

	/* 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);

4279 4280 4281 4282
	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);
4283

4284 4285
		val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4286

4287
		pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4288

4289 4290 4291 4292 4293 4294 4295 4296
	} 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);

4297 4298 4299 4300
		/* 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.
		 */
4301
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
A
Arjan van de Ven 已提交
4302 4303
		    (CHIP_ID(bp) == CHIP_ID_5706_A1))
			msleep(20);
4304

4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318
		/* 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;
		}
4319 4320 4321 4322 4323 4324 4325 4326 4327 4328
	}

	/* 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. */
4329 4330 4331
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
	if (rc)
		return rc;
4332

4333
	spin_lock_bh(&bp->phy_lock);
4334
	old_port = bp->phy_port;
4335
	bnx2_init_remote_phy(bp);
4336 4337
	if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
	    old_port != bp->phy_port)
4338 4339 4340
		bnx2_set_default_remote_link(bp);
	spin_unlock_bh(&bp->phy_lock);

4341 4342 4343 4344 4345 4346 4347 4348 4349
	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);
	}

4350
	if (bp->flags & BNX2_FLAG_USING_MSIX)
4351 4352
		bnx2_setup_msix_tbl(bp);

4353 4354 4355 4356 4357 4358 4359
	return rc;
}

static int
bnx2_init_chip(struct bnx2 *bp)
{
	u32 val;
4360
	int rc, i;
4361 4362 4363 4364 4365 4366 4367

	/* 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
4368
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4369
#endif
4370
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4371 4372 4373 4374 4375
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

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

4376
	if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4377 4378 4379
		val |= (1 << 23);

	if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4380
	    (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4381 4382 4383 4384 4385 4386 4387 4388 4389 4390
		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);
	}

4391
	if (bp->flags & BNX2_FLAG_PCIX) {
4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406
		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. */
4407 4408 4409 4410 4411
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rc = bnx2_init_5709_context(bp);
		if (rc)
			return rc;
	} else
M
Michael Chan 已提交
4412
		bnx2_init_context(bp);
4413

4414 4415 4416
	if ((rc = bnx2_init_cpus(bp)) != 0)
		return rc;

4417 4418 4419 4420 4421 4422 4423
	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;
4424 4425 4426
	if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
		val |= BNX2_MQ_CONFIG_HALT_DIS;

4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455
	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);

4456 4457 4458
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
		bp->bnx2_napi[i].last_status_idx = 0;

4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472
	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);

4473
	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 4489 4490 4491
	       (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);

4492 4493 4494
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
		REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
	else
4495
		REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4496 4497 4498
	REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */

	if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4499
		val = BNX2_HC_CONFIG_COLLECT_STATS;
4500
	else {
4501 4502
		val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
		      BNX2_HC_CONFIG_COLLECT_STATS;
4503 4504
	}

4505
	if (bp->flags & BNX2_FLAG_USING_MSIX) {
4506 4507 4508
		u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
			   BNX2_HC_SB_CONFIG_1;

4509 4510 4511
		REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
		       BNX2_HC_MSIX_BIT_VECTOR_VAL);

4512
		REG_WR(bp, base,
4513 4514 4515
			BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
			BNX2_HC_SB_CONFIG_1_ONE_SHOT);

4516
		REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4517 4518 4519
			(bp->tx_quick_cons_trip_int << 16) |
			 bp->tx_quick_cons_trip);

4520
		REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4521 4522 4523 4524 4525
			(bp->tx_ticks_int << 16) | bp->tx_ticks);

		val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
	}

4526
	if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4527 4528 4529 4530
		val |= BNX2_HC_CONFIG_ONE_SHOT;

	REG_WR(bp, BNX2_HC_CONFIG, val);

4531 4532 4533
	/* Clear internal stats counters. */
	REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);

4534
	REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4535 4536 4537 4538

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

M
Michael Chan 已提交
4539 4540 4541 4542 4543
	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);
	}
4544 4545
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
			  0);
4546

M
Michael Chan 已提交
4547
	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4548 4549 4550 4551
	REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);

	udelay(20);

M
Michael Chan 已提交
4552 4553
	bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);

4554
	return rc;
4555 4556
}

4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575
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
4576 4577 4578 4579
static void
bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
{
	u32 val, offset0, offset1, offset2, offset3;
M
Michael Chan 已提交
4580
	u32 cid_addr = GET_CID_ADDR(cid);
M
Michael Chan 已提交
4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593

	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;
M
Michael Chan 已提交
4594
	bnx2_ctx_wr(bp, cid_addr, offset0, val);
M
Michael Chan 已提交
4595 4596

	val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
M
Michael Chan 已提交
4597
	bnx2_ctx_wr(bp, cid_addr, offset1, val);
M
Michael Chan 已提交
4598 4599

	val = (u64) bp->tx_desc_mapping >> 32;
M
Michael Chan 已提交
4600
	bnx2_ctx_wr(bp, cid_addr, offset2, val);
M
Michael Chan 已提交
4601 4602

	val = (u64) bp->tx_desc_mapping & 0xffffffff;
M
Michael Chan 已提交
4603
	bnx2_ctx_wr(bp, cid_addr, offset3, val);
M
Michael Chan 已提交
4604
}
4605 4606 4607 4608 4609

static void
bnx2_init_tx_ring(struct bnx2 *bp)
{
	struct tx_bd *txbd;
4610 4611 4612 4613
	u32 cid = TX_CID;
	struct bnx2_napi *bnapi;

	bp->tx_vec = 0;
4614
	if (bp->flags & BNX2_FLAG_USING_MSIX) {
4615 4616 4617 4618 4619 4620
		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];
4621

M
Michael Chan 已提交
4622 4623
	bp->tx_wake_thresh = bp->tx_ring_size / 2;

4624
	txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4625

4626 4627 4628 4629 4630
	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;
4631

M
Michael Chan 已提交
4632 4633
	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;
4634

M
Michael Chan 已提交
4635
	bnx2_init_tx_context(bp, cid);
4636 4637 4638
}

static void
4639 4640
bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
		     int num_rings)
4641 4642
{
	int i;
4643
	struct rx_bd *rxbd;
4644

4645
	for (i = 0; i < num_rings; i++) {
4646
		int j;
4647

4648
		rxbd = &rx_ring[i][0];
4649
		for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4650
			rxbd->rx_bd_len = buf_size;
4651 4652
			rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
		}
4653
		if (i == (num_rings - 1))
4654 4655 4656
			j = 0;
		else
			j = i + 1;
4657 4658
		rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
		rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4659
	}
4660 4661 4662 4663 4664 4665 4666 4667
}

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);
4668
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
4669 4670 4671 4672

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

4673 4674 4675 4676 4677 4678 4679
	bnx2_init_rx_context0(bp);

	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
		REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
	}

M
Michael Chan 已提交
4680
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4681 4682 4683 4684 4685
	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;
M
Michael Chan 已提交
4686 4687
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4688 4689 4690
		       BNX2_L2CTX_RBDC_JUMBO_KEY);

		val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
M
Michael Chan 已提交
4691
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4692 4693

		val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
M
Michael Chan 已提交
4694
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4695 4696 4697 4698

		if (CHIP_NUM(bp) == CHIP_NUM_5709)
			REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
	}
4699

4700
	val = (u64) bp->rx_desc_mapping[0] >> 32;
M
Michael Chan 已提交
4701
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4702

4703
	val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
M
Michael Chan 已提交
4704
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4705

4706
	ring_prod = prod = bnapi->rx_pg_prod;
4707 4708 4709 4710 4711 4712
	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);
	}
4713
	bnapi->rx_pg_prod = prod;
4714

4715
	ring_prod = prod = bnapi->rx_prod;
4716
	for (i = 0; i < bp->rx_ring_size; i++) {
4717
		if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
4718 4719 4720 4721 4722
			break;
		}
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_RING_IDX(prod);
	}
4723
	bnapi->rx_prod = prod;
4724

4725 4726
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
		 bnapi->rx_pg_prod);
4727 4728
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);

4729
	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
4730 4731
}

4732
static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4733
{
4734
	u32 max, num_rings = 1;
4735

4736 4737
	while (ring_size > MAX_RX_DESC_CNT) {
		ring_size -= MAX_RX_DESC_CNT;
4738 4739 4740
		num_rings++;
	}
	/* round to next power of 2 */
4741
	max = max_size;
4742 4743 4744 4745 4746 4747
	while ((max & num_rings) == 0)
		max >>= 1;

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

4748 4749 4750 4751 4752 4753
	return max;
}

static void
bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
{
M
Michael Chan 已提交
4754
	u32 rx_size, rx_space, jumbo_size;
4755 4756 4757 4758

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

M
Michael Chan 已提交
4759 4760 4761
	rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
		sizeof(struct skb_shared_info);

4762
	bp->rx_copy_thresh = RX_COPY_THRESH;
4763 4764 4765
	bp->rx_pg_ring_size = 0;
	bp->rx_max_pg_ring = 0;
	bp->rx_max_pg_ring_idx = 0;
4766
	if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
M
Michael Chan 已提交
4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779
		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;
	}
4780 4781 4782 4783

	bp->rx_buf_use_size = rx_size;
	/* hw alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4784
	bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
4785 4786
	bp->rx_ring_size = size;
	bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4787 4788 4789
	bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
}

4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820
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);
		}
4821
		dev_kfree_skb(skb);
4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834
		i += j + 1;
	}

}

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

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

4835
	for (i = 0; i < bp->rx_max_ring_idx; i++) {
4836 4837 4838
		struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
		struct sk_buff *skb = rx_buf->skb;

4839
		if (skb == NULL)
4840 4841 4842 4843 4844 4845 4846
			continue;

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

		rx_buf->skb = NULL;

4847
		dev_kfree_skb(skb);
4848
	}
4849 4850
	for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
		bnx2_free_rx_page(bp, i);
4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869
}

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;

4870 4871 4872
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

4873
	bnx2_clear_ring_states(bp);
4874 4875 4876 4877 4878 4879
	bnx2_init_tx_ring(bp);
	bnx2_init_rx_ring(bp);
	return 0;
}

static int
4880
bnx2_init_nic(struct bnx2 *bp, int reset_phy)
4881 4882 4883 4884 4885 4886
{
	int rc;

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

M
Michael Chan 已提交
4887
	spin_lock_bh(&bp->phy_lock);
4888
	bnx2_init_phy(bp, reset_phy);
4889
	bnx2_set_link(bp);
4890 4891
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
		bnx2_remote_phy_event(bp);
4892
	spin_unlock_bh(&bp->phy_lock);
4893 4894 4895 4896 4897 4898 4899
	return 0;
}

static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
4900
	int i, is_5709;
4901
	static const struct {
4902 4903
		u16   offset;
		u16   flags;
4904
#define BNX2_FL_NOT_5709	1
4905 4906 4907 4908 4909 4910 4911
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931
		{ 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 },
4932 4933

		{ 0x1000, 0, 0x00000000, 0x00000001 },
M
Michael Chan 已提交
4934
		{ 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
4935 4936 4937 4938

		{ 0x1408, 0, 0x01c00800, 0x00000000 },
		{ 0x149c, 0, 0x8000ffff, 0x00000000 },
		{ 0x14a8, 0, 0x00000000, 0x000001ff },
M
Michael Chan 已提交
4939
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016
		{ 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;
5017 5018 5019 5020
	is_5709 = 0;
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		is_5709 = 1;

5021 5022
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;
5023 5024 5025 5026
		u16 flags = reg_tbl[i].flags;

		if (is_5709 && (flags & BNX2_FL_NOT_5709))
			continue;
5027 5028 5029 5030 5031

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

5032
		save_val = readl(bp->regview + offset);
5033

5034
		writel(0, bp->regview + offset);
5035

5036
		val = readl(bp->regview + offset);
5037 5038 5039 5040 5041 5042 5043 5044
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

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

5045
		writel(0xffffffff, bp->regview + offset);
5046

5047
		val = readl(bp->regview + offset);
5048 5049 5050 5051 5052 5053 5054 5055
		if ((val & rw_mask) != rw_mask) {
			goto reg_test_err;
		}

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

5056
		writel(save_val, bp->regview + offset);
5057 5058 5059
		continue;

reg_test_err:
5060
		writel(save_val, bp->regview + offset);
5061 5062 5063 5064 5065 5066 5067 5068 5069
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
5070
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5071 5072 5073 5074 5075 5076 5077 5078
		0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
	int i;

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

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

5079
			bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5080

5081
			if (bnx2_reg_rd_ind(bp, start + offset) !=
5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094
				test_pattern[i]) {
				return -ENODEV;
			}
		}
	}
	return 0;
}

static int
bnx2_test_memory(struct bnx2 *bp)
{
	int ret = 0;
	int i;
5095
	static struct mem_entry {
5096 5097
		u32   offset;
		u32   len;
5098
	} mem_tbl_5706[] = {
5099
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
5100
		{ 0xa0000,  0x3000 },
5101 5102 5103 5104 5105
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
5106 5107 5108 5109 5110 5111 5112 5113
	},
	mem_tbl_5709[] = {
		{ 0x60000,  0x4000 },
		{ 0xa0000,  0x3000 },
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0xffffffff, 0    },
5114
	};
5115 5116 5117 5118 5119 5120
	struct mem_entry *mem_tbl;

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		mem_tbl = mem_tbl_5709;
	else
		mem_tbl = mem_tbl_5706;
5121 5122 5123 5124 5125 5126 5127

	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;
		}
	}
5128

5129 5130 5131
	return ret;
}

M
Michael Chan 已提交
5132 5133 5134
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

5135
static int
M
Michael Chan 已提交
5136
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5137 5138 5139 5140
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
5141
	u16 rx_start_idx, rx_idx;
5142 5143 5144 5145 5146
	dma_addr_t map;
	struct tx_bd *txbd;
	struct sw_bd *rx_buf;
	struct l2_fhdr *rx_hdr;
	int ret = -ENODEV;
5147 5148 5149
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;

	tx_napi = bnapi;
5150
	if (bp->flags & BNX2_FLAG_USING_MSIX)
5151
		tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
5152

M
Michael Chan 已提交
5153 5154 5155 5156 5157
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5158
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5159 5160
			return 0;

M
Michael Chan 已提交
5161
		bp->loopback = PHY_LOOPBACK;
M
Michael Chan 已提交
5162 5163 5164 5165
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
5166

M
Michael Chan 已提交
5167
	pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5168
	skb = netdev_alloc_skb(bp->dev, pkt_size);
5169 5170
	if (!skb)
		return -ENOMEM;
5171
	packet = skb_put(skb, pkt_size);
M
Michael Chan 已提交
5172
	memcpy(packet, bp->dev->dev_addr, 6);
5173 5174 5175 5176 5177 5178 5179
	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
5180 5181 5182
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5183 5184 5185
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);
5186
	rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5187 5188 5189

	num_pkts = 0;

M
Michael Chan 已提交
5190
	txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
5191 5192 5193 5194 5195 5196 5197

	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
5198 5199
	bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
	bp->tx_prod_bseq += pkt_size;
5200

5201 5202
	REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5203 5204 5205

	udelay(100);

M
Michael Chan 已提交
5206 5207 5208
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5209 5210 5211 5212 5213
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5214
	dev_kfree_skb(skb);
5215

5216
	if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
5217 5218
		goto loopback_test_done;

5219
	rx_idx = bnx2_get_hw_rx_cons(bnapi);
5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233
	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);

5234
	if (rx_hdr->l2_fhdr_status &
5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257 5258 5259 5260
		(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
5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275
#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);
5276
	bnx2_init_phy(bp, 1);
M
Michael Chan 已提交
5277 5278 5279 5280 5281 5282 5283 5284
	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;
}

5285 5286 5287 5288 5289 5290
#define NVRAM_SIZE 0x200
#define CRC32_RESIDUAL 0xdebb20e3

static int
bnx2_test_nvram(struct bnx2 *bp)
{
A
Al Viro 已提交
5291
	__be32 buf[NVRAM_SIZE / 4];
5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327
	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;

5328
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5329 5330 5331 5332
		if (bp->link_up)
			return 0;
		return -ENODEV;
	}
5333
	spin_lock_bh(&bp->phy_lock);
5334 5335 5336 5337
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
5338
	spin_unlock_bh(&bp->phy_lock);
5339

5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357
	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
5358
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375
	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;
}

5376
/* Determining link for parallel detection. */
5377 5378 5379 5380 5381
static int
bnx2_5706_serdes_has_link(struct bnx2 *bp)
{
	u32 mode_ctl, an_dbg, exp;

5382 5383 5384
	if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
		return 0;

5385 5386 5387 5388 5389 5390 5391 5392 5393 5394
	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);

5395
	if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407
		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;
}

5408
static void
5409
bnx2_5706_serdes_timer(struct bnx2 *bp)
5410
{
5411 5412
	int check_link = 1;

5413
	spin_lock(&bp->phy_lock);
5414
	if (bp->serdes_an_pending) {
5415
		bp->serdes_an_pending--;
5416 5417
		check_link = 0;
	} else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5418
		u32 bmcr;
5419

5420
		bp->current_interval = bp->timer_interval;
M
Michael Chan 已提交
5421

5422
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5423

5424
		if (bmcr & BMCR_ANENABLE) {
5425
			if (bnx2_5706_serdes_has_link(bp)) {
5426 5427
				bmcr &= ~BMCR_ANENABLE;
				bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5428
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5429
				bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5430
			}
5431
		}
5432 5433
	}
	else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5434
		 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5435
		u32 phy2;
5436

5437 5438 5439 5440
		bnx2_write_phy(bp, 0x17, 0x0f01);
		bnx2_read_phy(bp, 0x15, &phy2);
		if (phy2 & 0x20) {
			u32 bmcr;
M
Michael Chan 已提交
5441

5442
			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5443
			bmcr |= BMCR_ANENABLE;
5444
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5445

5446
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5447 5448 5449
		}
	} else
		bp->current_interval = bp->timer_interval;
5450

5451
	if (check_link) {
5452 5453 5454 5455 5456 5457
		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);

5458 5459 5460 5461 5462 5463 5464 5465
		if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
			if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
				bnx2_5706s_force_link_dn(bp, 1);
				bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
			} else
				bnx2_set_link(bp);
		} else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
			bnx2_set_link(bp);
5466
	}
5467 5468
	spin_unlock(&bp->phy_lock);
}
5469

5470 5471 5472
static void
bnx2_5708_serdes_timer(struct bnx2 *bp)
{
5473
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5474 5475
		return;

5476
	if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5477 5478 5479
		bp->serdes_an_pending = 0;
		return;
	}
5480

5481 5482 5483 5484 5485
	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;
5486

5487
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5488
		if (bmcr & BMCR_ANENABLE) {
5489
			bnx2_enable_forced_2g5(bp);
5490 5491
			bp->current_interval = SERDES_FORCED_TIMEOUT;
		} else {
5492
			bnx2_disable_forced_2g5(bp);
5493 5494
			bp->serdes_an_pending = 2;
			bp->current_interval = bp->timer_interval;
5495 5496
		}

5497 5498
	} else
		bp->current_interval = bp->timer_interval;
5499

5500 5501 5502
	spin_unlock(&bp->phy_lock);
}

5503 5504 5505 5506
static void
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
5507

5508 5509
	if (!netif_running(bp->dev))
		return;
5510

5511 5512
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;
5513

M
Michael Chan 已提交
5514
	bnx2_send_heart_beat(bp);
5515

5516 5517
	bp->stats_blk->stat_FwRxDrop =
		bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5518

5519 5520 5521 5522 5523
	/* 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);

5524
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5525 5526
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			bnx2_5706_serdes_timer(bp);
5527
		else
5528
			bnx2_5708_serdes_timer(bp);
5529 5530 5531
	}

bnx2_restart_timer:
M
Michael Chan 已提交
5532
	mod_timer(&bp->timer, jiffies + bp->current_interval);
5533 5534
}

5535 5536 5537 5538
static int
bnx2_request_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;
5539
	unsigned long flags;
5540 5541
	struct bnx2_irq *irq;
	int rc = 0, i;
5542

5543
	if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5544 5545 5546
		flags = 0;
	else
		flags = IRQF_SHARED;
5547 5548 5549

	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
5550
		rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5551 5552 5553 5554 5555
				 dev);
		if (rc)
			break;
		irq->requested = 1;
	}
5556 5557 5558 5559 5560 5561 5562
	return rc;
}

static void
bnx2_free_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;
5563 5564
	struct bnx2_irq *irq;
	int i;
5565

5566 5567 5568 5569 5570
	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
		if (irq->requested)
			free_irq(irq->vector, dev);
		irq->requested = 0;
5571
	}
5572
	if (bp->flags & BNX2_FLAG_USING_MSI)
5573
		pci_disable_msi(bp->pdev);
5574
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
5575 5576
		pci_disable_msix(bp->pdev);

5577
	bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5578 5579 5580 5581 5582
}

static void
bnx2_enable_msix(struct bnx2 *bp)
{
M
Michael Chan 已提交
5583 5584 5585
	int i, rc;
	struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];

5586 5587 5588 5589
	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
5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608

	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;
5609
	bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
M
Michael Chan 已提交
5610 5611
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
		bp->irq_tbl[i].vector = msix_ent[i].vector;
5612 5613 5614 5615 5616 5617 5618
}

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);
5619 5620 5621
	bp->irq_nvecs = 1;
	bp->irq_tbl[0].vector = bp->pdev->irq;

5622
	if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5623
		bnx2_enable_msix(bp);
5624

5625 5626
	if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
	    !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5627
		if (pci_enable_msi(bp->pdev) == 0) {
5628
			bp->flags |= BNX2_FLAG_USING_MSI;
5629
			if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5630
				bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5631 5632 5633
				bp->irq_tbl[0].handler = bnx2_msi_1shot;
			} else
				bp->irq_tbl[0].handler = bnx2_msi;
5634 5635

			bp->irq_tbl[0].vector = bp->pdev->irq;
5636 5637
		}
	}
5638 5639
}

5640 5641 5642 5643
/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
5644
	struct bnx2 *bp = netdev_priv(dev);
5645 5646
	int rc;

5647 5648
	netif_carrier_off(dev);

5649
	bnx2_set_power_state(bp, PCI_D0);
5650 5651 5652 5653 5654 5655
	bnx2_disable_int(bp);

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

5656
	bnx2_setup_int_mode(bp, disable_msi);
5657
	bnx2_napi_enable(bp);
5658 5659
	rc = bnx2_request_irq(bp);

5660
	if (rc) {
5661
		bnx2_napi_disable(bp);
5662 5663 5664 5665
		bnx2_free_mem(bp);
		return rc;
	}

5666
	rc = bnx2_init_nic(bp, 1);
5667 5668

	if (rc) {
5669
		bnx2_napi_disable(bp);
5670
		bnx2_free_irq(bp);
5671 5672 5673 5674
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
		return rc;
	}
5675

M
Michael Chan 已提交
5676
	mod_timer(&bp->timer, jiffies + bp->current_interval);
5677 5678 5679 5680 5681

	atomic_set(&bp->intr_sem, 0);

	bnx2_enable_int(bp);

5682
	if (bp->flags & BNX2_FLAG_USING_MSI) {
5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693
		/* 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);
5694
			bnx2_free_irq(bp);
5695

5696 5697
			bnx2_setup_int_mode(bp, 1);

5698
			rc = bnx2_init_nic(bp, 0);
5699

5700 5701 5702
			if (!rc)
				rc = bnx2_request_irq(bp);

5703
			if (rc) {
5704
				bnx2_napi_disable(bp);
5705 5706 5707 5708 5709 5710 5711 5712
				bnx2_free_skbs(bp);
				bnx2_free_mem(bp);
				del_timer_sync(&bp->timer);
				return rc;
			}
			bnx2_enable_int(bp);
		}
	}
5713
	if (bp->flags & BNX2_FLAG_USING_MSI)
5714
		printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5715
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
M
Michael Chan 已提交
5716
		printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5717 5718 5719 5720 5721 5722 5723

	netif_start_queue(dev);

	return 0;
}

static void
D
David Howells 已提交
5724
bnx2_reset_task(struct work_struct *work)
5725
{
D
David Howells 已提交
5726
	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5727

5728 5729 5730 5731
	if (!netif_running(bp->dev))
		return;

	bp->in_reset_task = 1;
5732 5733
	bnx2_netif_stop(bp);

5734
	bnx2_init_nic(bp, 1);
5735 5736 5737

	atomic_set(&bp->intr_sem, 1);
	bnx2_netif_start(bp);
5738
	bp->in_reset_task = 0;
5739 5740 5741 5742 5743
}

static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
5744
	struct bnx2 *bp = netdev_priv(dev);
5745 5746 5747 5748 5749 5750 5751 5752 5753 5754

	/* 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
5755
	struct bnx2 *bp = netdev_priv(dev);
5756 5757 5758 5759 5760 5761 5762 5763 5764 5765

	bnx2_netif_stop(bp);

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

	bnx2_netif_start(bp);
}
#endif

H
Herbert Xu 已提交
5766
/* Called with netif_tx_lock.
M
Michael Chan 已提交
5767 5768
 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
 * netif_wake_queue().
5769 5770 5771 5772
 */
static int
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
5773
	struct bnx2 *bp = netdev_priv(dev);
5774 5775 5776 5777 5778 5779
	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
5780
	struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
5781

5782 5783
	if (unlikely(bnx2_tx_avail(bp, bnapi) <
	    (skb_shinfo(skb)->nr_frags + 1))) {
5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794
		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;
5795
	if (skb->ip_summed == CHECKSUM_PARTIAL) {
5796 5797 5798
		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
	}

A
Al Viro 已提交
5799
	if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5800 5801 5802
		vlan_tag_flags |=
			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
	}
5803
	if ((mss = skb_shinfo(skb)->gso_size)) {
5804
		u32 tcp_opt_len, ip_tcp_len;
5805
		struct iphdr *iph;
5806 5807 5808

		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

5809 5810 5811 5812 5813
		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;
5814

5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 5831 5832
			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;
			}
5833

5834 5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846
			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;
			}
5847
		}
5848
	} else
5849 5850 5851
		mss = 0;

	mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5852

5853 5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865 5866 5867 5868 5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889
	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;

5890 5891
	REG_WR16(bp, bp->tx_bidx_addr, prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5892 5893 5894 5895 5896 5897

	mmiowb();

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

5898
	if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
M
Michael Chan 已提交
5899
		netif_stop_queue(dev);
5900
		if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
M
Michael Chan 已提交
5901
			netif_wake_queue(dev);
5902 5903 5904 5905 5906 5907 5908 5909 5910
	}

	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
5911
	struct bnx2 *bp = netdev_priv(dev);
5912 5913
	u32 reset_code;

5914 5915 5916 5917 5918 5919 5920
	/* 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);

5921
	bnx2_disable_int_sync(bp);
5922
	bnx2_napi_disable(bp);
5923
	del_timer_sync(&bp->timer);
5924
	if (bp->flags & BNX2_FLAG_NO_WOL)
5925
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
5926
	else if (bp->wol)
5927 5928 5929 5930
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
	bnx2_reset_chip(bp, reset_code);
5931
	bnx2_free_irq(bp);
5932 5933 5934 5935
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
5936
	bnx2_set_power_state(bp, PCI_D3hot);
5937 5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954 5955
	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
5956
	struct bnx2 *bp = netdev_priv(dev);
5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968 5969 5970 5971 5972 5973 5974 5975 5976 5977 5978
	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);

5979
	net_stats->multicast =
5980 5981
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);

5982
	net_stats->collisions =
5983 5984
		(unsigned long) stats_blk->stat_EtherStatsCollisions;

5985
	net_stats->rx_length_errors =
5986 5987 5988
		(unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
		stats_blk->stat_EtherStatsOverrsizePkts);

5989
	net_stats->rx_over_errors =
5990 5991
		(unsigned long) stats_blk->stat_IfInMBUFDiscards;

5992
	net_stats->rx_frame_errors =
5993 5994
		(unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;

5995
	net_stats->rx_crc_errors =
5996 5997 5998 5999 6000 6001 6002 6003 6004 6005
		(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
6006 6007
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
6008 6009 6010 6011 6012 6013 6014 6015
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
			(unsigned long)
			stats_blk->stat_Dot3StatsCarrierSenseErrors;
	}

	net_stats->tx_errors =
6016
    		(unsigned long)
6017 6018 6019 6020 6021
		stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
		+
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
6022 6023 6024 6025
	net_stats->rx_missed_errors =
		(unsigned long) (stats_blk->stat_IfInMBUFDiscards +
		stats_blk->stat_FwRxDrop);

6026 6027 6028 6029 6030 6031 6032 6033
	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
6034
	struct bnx2 *bp = netdev_priv(dev);
6035
	int support_serdes = 0, support_copper = 0;
6036 6037

	cmd->supported = SUPPORTED_Autoneg;
6038
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6039 6040 6041 6042 6043 6044 6045 6046
		support_serdes = 1;
		support_copper = 1;
	} else if (bp->phy_port == PORT_FIBRE)
		support_serdes = 1;
	else
		support_copper = 1;

	if (support_serdes) {
6047 6048
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;
6049
		if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6050
			cmd->supported |= SUPPORTED_2500baseX_Full;
6051 6052

	}
6053
	if (support_copper) {
6054 6055 6056 6057 6058 6059 6060 6061 6062
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

	}

6063 6064
	spin_lock_bh(&bp->phy_lock);
	cmd->port = bp->phy_port;
6065 6066 6067 6068 6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081
	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;
	}
6082
	spin_unlock_bh(&bp->phy_lock);
6083 6084 6085 6086 6087 6088

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

	return 0;
}
6089

6090 6091 6092
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
6093
	struct bnx2 *bp = netdev_priv(dev);
6094 6095 6096 6097
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;
6098 6099 6100 6101 6102 6103 6104
	int err = -EINVAL;

	spin_lock_bh(&bp->phy_lock);

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

6105 6106
	if (cmd->port != bp->phy_port &&
	    !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6107
		goto err_out_unlock;
6108 6109 6110 6111

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

6112
		cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6113 6114 6115 6116 6117 6118 6119

		/* 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)) {

6120 6121
			if (cmd->port == PORT_FIBRE)
				goto err_out_unlock;
6122 6123 6124

			advertising = cmd->advertising;

6125
		} else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6126
			if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6127 6128 6129
			    (cmd->port == PORT_TP))
				goto err_out_unlock;
		} else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6130
			advertising = cmd->advertising;
6131 6132
		else if (cmd->advertising == ADVERTISED_1000baseT_Half)
			goto err_out_unlock;
6133
		else {
6134
			if (cmd->port == PORT_FIBRE)
6135
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
6136
			else
6137 6138 6139 6140 6141
				advertising = ETHTOOL_ALL_COPPER_SPEED;
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
6142
		if (cmd->port == PORT_FIBRE) {
M
Michael Chan 已提交
6143 6144 6145
			if ((cmd->speed != SPEED_1000 &&
			     cmd->speed != SPEED_2500) ||
			    (cmd->duplex != DUPLEX_FULL))
6146
				goto err_out_unlock;
M
Michael Chan 已提交
6147 6148

			if (cmd->speed == SPEED_2500 &&
6149
			    !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6150
				goto err_out_unlock;
6151
		}
6152 6153 6154
		else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
			goto err_out_unlock;

6155 6156 6157 6158 6159 6160 6161 6162 6163 6164 6165
		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;

6166
	err = bnx2_setup_phy(bp, cmd->port);
6167

6168
err_out_unlock:
6169
	spin_unlock_bh(&bp->phy_lock);
6170

6171
	return err;
6172 6173 6174 6175 6176
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
6177
	struct bnx2 *bp = netdev_priv(dev);
6178 6179 6180 6181

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
6182
	strcpy(info->fw_version, bp->fw_version);
6183 6184
}

M
Michael Chan 已提交
6185 6186 6187 6188 6189 6190 6191 6192 6193 6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 6221 6222 6223 6224 6225 6226 6227 6228 6229 6230 6231 6232 6233 6234 6235 6236 6237 6238 6239 6240 6241 6242
#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;
		}
	}
}

6243 6244 6245
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
6246
	struct bnx2 *bp = netdev_priv(dev);
6247

6248
	if (bp->flags & BNX2_FLAG_NO_WOL) {
6249 6250 6251 6252 6253 6254 6255 6256 6257 6258 6259 6260 6261 6262 6263 6264
		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
6265
	struct bnx2 *bp = netdev_priv(dev);
6266 6267 6268 6269 6270

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

	if (wol->wolopts & WAKE_MAGIC) {
6271
		if (bp->flags & BNX2_FLAG_NO_WOL)
6272 6273 6274 6275 6276 6277 6278 6279 6280 6281 6282 6283 6284
			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
6285
	struct bnx2 *bp = netdev_priv(dev);
6286 6287 6288 6289 6290 6291
	u32 bmcr;

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

6292
	spin_lock_bh(&bp->phy_lock);
6293

6294
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6295 6296 6297 6298 6299 6300 6301
		int rc;

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

6302
	/* Force a link down visible on the other side */
6303
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6304
		bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6305
		spin_unlock_bh(&bp->phy_lock);
6306 6307 6308

		msleep(20);

6309
		spin_lock_bh(&bp->phy_lock);
6310 6311 6312 6313

		bp->current_interval = SERDES_AN_TIMEOUT;
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
6314 6315
	}

6316
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6317
	bmcr &= ~BMCR_LOOPBACK;
6318
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6319

6320
	spin_unlock_bh(&bp->phy_lock);
6321 6322 6323 6324 6325 6326 6327

	return 0;
}

static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
6328
	struct bnx2 *bp = netdev_priv(dev);
6329

M
Michael Chan 已提交
6330
	if (bp->flash_info == NULL)
6331 6332
		return 0;

M
Michael Chan 已提交
6333
	return (int) bp->flash_size;
6334 6335 6336 6337 6338 6339
}

static int
bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
6340
	struct bnx2 *bp = netdev_priv(dev);
6341 6342
	int rc;

6343
	/* parameters already validated in ethtool_get_eeprom */
6344 6345 6346 6347 6348 6349 6350 6351 6352 6353

	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
6354
	struct bnx2 *bp = netdev_priv(dev);
6355 6356
	int rc;

6357
	/* parameters already validated in ethtool_set_eeprom */
6358 6359 6360 6361 6362 6363 6364 6365 6366

	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
6367
	struct bnx2 *bp = netdev_priv(dev);
6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388

	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
6389
	struct bnx2 *bp = netdev_priv(dev);
6390 6391 6392 6393

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

6394
	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6395 6396 6397 6398 6399 6400 6401 6402 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417
	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;
6418 6419 6420 6421
	if (CHIP_NUM(bp) == CHIP_NUM_5708) {
		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
			bp->stats_ticks = USEC_PER_SEC;
	}
6422 6423 6424
	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;
6425 6426 6427

	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
6428
		bnx2_init_nic(bp, 0);
6429 6430 6431 6432 6433 6434 6435 6436 6437
		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
6438
	struct bnx2 *bp = netdev_priv(dev);
6439

6440
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6441
	ering->rx_mini_max_pending = 0;
6442
	ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6443 6444 6445

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
6446
	ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6447 6448 6449 6450 6451 6452

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

static int
6453
bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6454
{
6455 6456 6457 6458 6459 6460 6461
	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);
	}

6462 6463
	bnx2_set_rx_ring_size(bp, rx);
	bp->tx_ring_size = tx;
6464 6465

	if (netif_running(bp->dev)) {
6466 6467 6468 6469 6470
		int rc;

		rc = bnx2_alloc_mem(bp);
		if (rc)
			return rc;
6471
		bnx2_init_nic(bp, 0);
6472 6473 6474 6475 6476
		bnx2_netif_start(bp);
	}
	return 0;
}

6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492
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;
}

6493 6494 6495
static void
bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
6496
	struct bnx2 *bp = netdev_priv(dev);
6497 6498 6499 6500 6501 6502 6503 6504 6505

	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
6506
	struct bnx2 *bp = netdev_priv(dev);
6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520

	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;
	}

6521
	spin_lock_bh(&bp->phy_lock);
6522

6523
	bnx2_setup_phy(bp, bp->phy_port);
6524

6525
	spin_unlock_bh(&bp->phy_lock);
6526 6527 6528 6529 6530 6531 6532

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
6533
	struct bnx2 *bp = netdev_priv(dev);
6534 6535 6536 6537 6538 6539 6540

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
6541
	struct bnx2 *bp = netdev_priv(dev);
6542 6543 6544 6545 6546

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
6547 6548 6549
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
6550 6551 6552
	struct bnx2 *bp = netdev_priv(dev);

	if (data) {
M
Michael Chan 已提交
6553
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6554 6555 6556 6557 6558
		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
6559 6560 6561
	return 0;
}

M
Michael Chan 已提交
6562
#define BNX2_NUM_STATS 46
6563

6564
static struct {
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 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611
	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
6612
	{ "rx_fw_discards" },
6613 6614 6615 6616
};

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

6617
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628
    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),
6629 6630 6631 6632 6633 6634 6635 6636 6637 6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648 6649 6650 6651 6652 6653 6654 6655 6656 6657 6658 6659 6660 6661 6662
    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
6663
    STATS_OFFSET32(stat_FwRxDrop),
6664 6665 6666 6667
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
6668
 */
6669
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6670 6671 6672 6673
	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
6674
	4,4,4,4,4,4,
6675 6676
};

M
Michael Chan 已提交
6677 6678 6679 6680 6681
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
6682
	4,4,4,4,4,4,
M
Michael Chan 已提交
6683 6684
};

6685 6686
#define BNX2_NUM_TESTS 6

6687
static struct {
6688 6689 6690 6691 6692 6693 6694 6695 6696 6697 6698
	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
6699
bnx2_get_sset_count(struct net_device *dev, int sset)
6700
{
6701 6702 6703 6704 6705 6706 6707 6708
	switch (sset) {
	case ETH_SS_TEST:
		return BNX2_NUM_TESTS;
	case ETH_SS_STATS:
		return BNX2_NUM_STATS;
	default:
		return -EOPNOTSUPP;
	}
6709 6710 6711 6712 6713
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
6714
	struct bnx2 *bp = netdev_priv(dev);
6715 6716 6717

	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
M
Michael Chan 已提交
6718 6719
		int i;

6720 6721 6722 6723 6724 6725 6726 6727 6728 6729 6730 6731
		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
6732
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6733 6734 6735 6736 6737 6738
			etest->flags |= ETH_TEST_FL_FAILED;

		if (!netif_running(bp->dev)) {
			bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		}
		else {
6739
			bnx2_init_nic(bp, 1);
6740 6741 6742 6743
			bnx2_netif_start(bp);
		}

		/* wait for link up */
M
Michael Chan 已提交
6744 6745 6746 6747 6748
		for (i = 0; i < 7; i++) {
			if (bp->link_up)
				break;
			msleep_interruptible(1000);
		}
6749 6750 6751 6752 6753 6754 6755 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
	}

	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
6786
	struct bnx2 *bp = netdev_priv(dev);
6787 6788
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
6789
	u8 *stats_len_arr = NULL;
6790 6791 6792 6793 6794 6795

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

M
Michael Chan 已提交
6796 6797 6798 6799
	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))
6800
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
6801 6802
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825

	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
6826
	struct bnx2 *bp = netdev_priv(dev);
6827 6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856
	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;
}

6857 6858 6859 6860 6861 6862
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)
6863
		return (ethtool_op_set_tx_ipv6_csum(dev, data));
6864 6865 6866 6867
	else
		return (ethtool_op_set_tx_csum(dev, data));
}

6868
static const struct ethtool_ops bnx2_ethtool_ops = {
6869 6870 6871
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
6872 6873
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
6874 6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885 6886 6887 6888
	.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,
6889
	.set_tx_csum		= bnx2_set_tx_csum,
6890
	.set_sg			= ethtool_op_set_sg,
M
Michael Chan 已提交
6891
	.set_tso		= bnx2_set_tso,
6892 6893 6894 6895
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
6896
	.get_sset_count		= bnx2_get_sset_count,
6897 6898 6899 6900 6901 6902
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
6903
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
6904
	struct bnx2 *bp = netdev_priv(dev);
6905 6906 6907 6908 6909 6910 6911 6912 6913 6914
	int err;

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

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

6915
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6916 6917
			return -EOPNOTSUPP;

6918 6919 6920
		if (!netif_running(dev))
			return -EAGAIN;

6921
		spin_lock_bh(&bp->phy_lock);
6922
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6923
		spin_unlock_bh(&bp->phy_lock);
6924 6925 6926 6927 6928 6929 6930 6931 6932 6933

		data->val_out = mii_regval;

		return err;
	}

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

6934
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6935 6936
			return -EOPNOTSUPP;

6937 6938 6939
		if (!netif_running(dev))
			return -EAGAIN;

6940
		spin_lock_bh(&bp->phy_lock);
6941
		err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6942
		spin_unlock_bh(&bp->phy_lock);
6943 6944 6945 6946 6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 6957

		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
6958
	struct bnx2 *bp = netdev_priv(dev);
6959

6960 6961 6962
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

6963 6964 6965 6966 6967 6968 6969 6970 6971 6972 6973
	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
6974
	struct bnx2 *bp = netdev_priv(dev);
6975 6976 6977 6978 6979 6980

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

	dev->mtu = new_mtu;
6981
	return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
6982 6983 6984 6985 6986 6987
}

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
static void
poll_bnx2(struct net_device *dev)
{
M
Michael Chan 已提交
6988
	struct bnx2 *bp = netdev_priv(dev);
6989 6990

	disable_irq(bp->pdev->irq);
6991
	bnx2_interrupt(bp->pdev->irq, dev);
6992 6993 6994 6995
	enable_irq(bp->pdev->irq);
}
#endif

6996 6997 6998 6999 7000 7001 7002 7003 7004 7005
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) {
7006
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018 7019
		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:
7020
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7021 7022 7023 7024 7025 7026 7027
			return;
		}
	} else {
		switch (strap) {
		case 0x1:
		case 0x2:
		case 0x4:
7028
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7029 7030 7031 7032 7033
			return;
		}
	}
}

7034 7035 7036 7037 7038 7039 7040 7041 7042
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;

7043
		bp->flags |= BNX2_FLAG_PCIX;
7044 7045 7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065 7066 7067 7068 7069 7070 7071 7072 7073 7074 7075 7076 7077 7078 7079 7080 7081

		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)
7082
		bp->flags |= BNX2_FLAG_PCI_32BIT;
7083 7084 7085

}

7086 7087 7088 7089 7090
static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
7091
	int rc, i, j;
7092
	u32 reg;
7093
	u64 dma_mask, persist_dma_mask;
7094 7095

	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
7096
	bp = netdev_priv(dev);
7097 7098 7099 7100 7101 7102 7103

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

	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
7104
		dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7105 7106 7107 7108
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7109
		dev_err(&pdev->dev,
7110
			"Cannot find PCI device base address, aborting.\n");
7111 7112 7113 7114 7115 7116
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
7117
		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7118 7119 7120 7121 7122 7123 7124
		goto err_out_disable;
	}

	pci_set_master(pdev);

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
7125
		dev_err(&pdev->dev,
7126
			"Cannot find power management capability, aborting.\n");
7127 7128 7129 7130 7131 7132 7133 7134
		rc = -EIO;
		goto err_out_release;
	}

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

	spin_lock_init(&bp->phy_lock);
M
Michael Chan 已提交
7135
	spin_lock_init(&bp->indirect_lock);
D
David Howells 已提交
7136
	INIT_WORK(&bp->reset_task, bnx2_reset_task);
7137 7138

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
M
Michael Chan 已提交
7139
	mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
7140 7141 7142 7143 7144 7145
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

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

	if (!bp->regview) {
7146
		dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7147 7148 7149 7150 7151 7152 7153 7154 7155 7156 7157 7158
		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);

7159
	bnx2_set_power_state(bp, PCI_D0);
7160 7161 7162

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

7163 7164 7165 7166 7167 7168 7169
	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;
		}
7170
		bp->flags |= BNX2_FLAG_PCIE;
7171
		if (CHIP_REV(bp) == CHIP_REV_Ax)
7172
			bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7173
	} else {
M
Michael Chan 已提交
7174 7175 7176 7177 7178 7179 7180 7181 7182
		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;
		}
	}

7183 7184
	if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7185
			bp->flags |= BNX2_FLAG_MSIX_CAP;
7186 7187
	}

7188 7189
	if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7190
			bp->flags |= BNX2_FLAG_MSI_CAP;
7191 7192
	}

7193 7194 7195 7196 7197 7198 7199 7200 7201 7202 7203 7204 7205 7206 7207 7208 7209 7210 7211 7212
	/* 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;
	}

7213
	if (!(bp->flags & BNX2_FLAG_PCIE))
7214
		bnx2_get_pci_speed(bp);
7215 7216 7217 7218 7219 7220 7221 7222

	/* 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) &&
7223
		!(bp->flags & BNX2_FLAG_PCIX)) {
7224

7225
		dev_err(&pdev->dev,
7226
			"5706 A1 can only be used in a PCIX bus, aborting.\n");
7227 7228 7229 7230 7231
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

7232
	reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7233 7234

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7235 7236 7237
	    BNX2_SHM_HDR_SIGNATURE_SIG) {
		u32 off = PCI_FUNC(pdev->devfn) << 2;

7238
		bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7239
	} else
7240 7241
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

7242 7243 7244
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
7245
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7246 7247 7248

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7249
		dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7250 7251 7252 7253
		rc = -ENODEV;
		goto err_out_unmap;
	}

7254
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266 7267
	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++] = '.';
	}
7268
	reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
M
Michael Chan 已提交
7269 7270 7271 7272
	if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
		bp->wol = 1;

	if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7273
		bp->flags |= BNX2_FLAG_ASF_ENABLE;
7274 7275

		for (i = 0; i < 30; i++) {
7276
			reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7277 7278 7279 7280 7281
			if (reg & BNX2_CONDITION_MFW_RUN_MASK)
				break;
			msleep(10);
		}
	}
7282
	reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7283 7284 7285 7286
	reg &= BNX2_CONDITION_MFW_RUN_MASK;
	if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
	    reg != BNX2_CONDITION_MFW_RUN_NONE) {
		int i;
7287
		u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7288 7289 7290

		bp->fw_version[j++] = ' ';
		for (i = 0; i < 3; i++) {
7291
			reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7292 7293 7294 7295 7296
			reg = swab32(reg);
			memcpy(&bp->fw_version[j], &reg, 4);
			j += 4;
		}
	}
7297

7298
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7299 7300 7301
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

7302
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7303 7304 7305 7306 7307
	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;

7308 7309
	bp->rx_offset = sizeof(struct l2_fhdr) + 2;

7310
	bp->tx_ring_size = MAX_TX_DESC_CNT;
7311
	bnx2_set_rx_ring_size(bp, 255);
7312 7313 7314 7315 7316 7317 7318

	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;
7319

7320 7321 7322 7323 7324
	bp->rx_quick_cons_trip_int = 6;
	bp->rx_quick_cons_trip = 6;
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

7325
	bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7326 7327

	bp->timer_interval =  HZ;
M
Michael Chan 已提交
7328
	bp->current_interval =  HZ;
7329

M
Michael Chan 已提交
7330 7331
	bp->phy_addr = 1;

7332
	/* Disable WOL support if we are running on a SERDES chip. */
7333 7334 7335
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_get_5709_media(bp);
	else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7336
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
M
Michael Chan 已提交
7337

7338
	bp->phy_port = PORT_TP;
7339
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7340
		bp->phy_port = PORT_FIBRE;
7341
		reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
7342
		if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7343
			bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
7344 7345
			bp->wol = 0;
		}
7346 7347 7348 7349 7350 7351 7352 7353 7354
		if (CHIP_NUM(bp) == CHIP_NUM_5706) {
			/* Don't do parallel detect on this board because of
			 * some board problems.  The link will not go down
			 * if we do parallel detect.
			 */
			if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
			    pdev->subsystem_device == 0x310c)
				bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
		} else {
M
Michael Chan 已提交
7355 7356
			bp->phy_addr = 2;
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7357
				bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
M
Michael Chan 已提交
7358
		}
7359 7360
		bnx2_init_remote_phy(bp);

7361 7362
	} else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
		   CHIP_NUM(bp) == CHIP_NUM_5708)
7363
		bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7364 7365 7366
	else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
		 (CHIP_REV(bp) == CHIP_REV_Ax ||
		  CHIP_REV(bp) == CHIP_REV_Bx))
7367
		bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7368

7369 7370
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
M
Michael Chan 已提交
7371
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7372
		bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
7373 7374
		bp->wol = 0;
	}
M
Michael Chan 已提交
7375

7376 7377 7378 7379 7380 7381 7382 7383 7384 7385 7386 7387
	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;
	}

7388 7389 7390 7391 7392 7393 7394 7395
	/* 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
7396
	 * prefers to locally disable MSI rather than globally disabling it.
7397 7398 7399 7400 7401 7402 7403 7404
	 */
	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))) {

7405 7406
			if (amd_8132->revision >= 0x10 &&
			    amd_8132->revision <= 0x13) {
7407 7408 7409 7410 7411 7412 7413
				disable_msi = 1;
				pci_dev_put(amd_8132);
				break;
			}
		}
	}

7414
	bnx2_set_default_link(bp);
7415 7416
	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
7417 7418 7419 7420 7421
	init_timer(&bp->timer);
	bp->timer.expires = RUN_AT(bp->timer_interval);
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

7422 7423 7424 7425 7426
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
7427
		bp->regview = NULL;
7428 7429 7430 7431 7432 7433 7434 7435 7436 7437 7438 7439 7440
	}

err_out_release:
	pci_release_regions(pdev);

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

err_out:
	return rc;
}

7441 7442 7443 7444 7445
static char * __devinit
bnx2_bus_string(struct bnx2 *bp, char *str)
{
	char *s = str;

7446
	if (bp->flags & BNX2_FLAG_PCIE) {
7447 7448 7449
		s += sprintf(s, "PCI Express");
	} else {
		s += sprintf(s, "PCI");
7450
		if (bp->flags & BNX2_FLAG_PCIX)
7451
			s += sprintf(s, "-X");
7452
		if (bp->flags & BNX2_FLAG_PCI_32BIT)
7453 7454 7455 7456 7457 7458 7459 7460
			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
7461
static void __devinit
7462 7463
bnx2_init_napi(struct bnx2 *bp)
{
7464 7465
	int i;
	struct bnx2_napi *bnapi;
7466

7467 7468 7469 7470 7471
	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
7472 7473
	netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
		       64);
7474 7475
}

7476 7477 7478 7479 7480 7481
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;
7482
	int rc;
7483
	char str[40];
7484
	DECLARE_MAC_BUF(mac);
7485 7486 7487 7488 7489 7490 7491 7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515

	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
7516
	bp = netdev_priv(dev);
7517
	bnx2_init_napi(bp);
7518 7519 7520 7521 7522

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

7523 7524 7525 7526 7527 7528
	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;

7529
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7530
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
7531 7532
		dev->features |= NETIF_F_IPV6_CSUM;

7533 7534 7535 7536
#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;
7537 7538
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		dev->features |= NETIF_F_TSO6;
7539

7540
	if ((rc = register_netdev(dev))) {
7541
		dev_err(&pdev->dev, "Cannot register net device\n");
7542 7543 7544 7545 7546 7547 7548 7549 7550
		if (bp->regview)
			iounmap(bp->regview);
		pci_release_regions(pdev);
		pci_disable_device(pdev);
		pci_set_drvdata(pdev, NULL);
		free_netdev(dev);
		return rc;
	}

7551
	printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7552
		"IRQ %d, node addr %s\n",
7553 7554 7555 7556
		dev->name,
		bp->name,
		((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		((CHIP_ID(bp) & 0x0ff0) >> 4),
7557
		bnx2_bus_string(bp, str),
7558
		dev->base_addr,
7559
		bp->pdev->irq, print_mac(mac, dev->dev_addr));
7560 7561 7562 7563 7564 7565 7566 7567

	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
7568
	struct bnx2 *bp = netdev_priv(dev);
7569

7570 7571
	flush_scheduled_work();

7572 7573 7574 7575 7576 7577 7578 7579 7580 7581 7582 7583
	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
7584
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7585 7586
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
7587
	struct bnx2 *bp = netdev_priv(dev);
7588 7589
	u32 reset_code;

7590 7591 7592 7593 7594
	/* 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);
7595 7596 7597
	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
7598
	flush_scheduled_work();
7599 7600 7601
	bnx2_netif_stop(bp);
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
7602
	if (bp->flags & BNX2_FLAG_NO_WOL)
7603
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
7604
	else if (bp->wol)
7605 7606 7607 7608 7609
		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);
7610
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7611 7612 7613 7614 7615 7616 7617
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
7618
	struct bnx2 *bp = netdev_priv(dev);
7619

7620
	pci_restore_state(pdev);
7621 7622 7623
	if (!netif_running(dev))
		return 0;

7624
	bnx2_set_power_state(bp, PCI_D0);
7625
	netif_device_attach(dev);
7626
	bnx2_init_nic(bp, 1);
7627 7628 7629 7630 7631
	bnx2_netif_start(bp);
	return 0;
}

static struct pci_driver bnx2_pci_driver = {
7632 7633 7634 7635 7636 7637
	.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,
7638 7639 7640 7641
};

static int __init bnx2_init(void)
{
7642
	return pci_register_driver(&bnx2_pci_driver);
7643 7644 7645 7646 7647 7648 7649 7650 7651 7652 7653 7654
}

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

module_init(bnx2_init);
module_exit(bnx2_cleanup);