bnx2.c 185.4 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	"1.7.4"
#define DRV_MODULE_RELDATE	"February 18, 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 1753 1754
	if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
		bp->link_up = 0;
	else {
		u32 speed;

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

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

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

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

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

	bnx2_set_mac_link(bp);
}

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

1755
	evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1756 1757 1758 1759 1760 1761
	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
1762
			bnx2_send_heart_beat(bp);
1763 1764 1765 1766 1767
			break;
	}
	return 0;
}

1768 1769 1770 1771 1772 1773
static int
bnx2_setup_copper_phy(struct bnx2 *bp)
{
	u32 bmcr;
	u32 new_bmcr;

1774
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1775 1776 1777 1778 1779 1780

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

1781
		bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797
		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;
1798

1799 1800 1801 1802 1803 1804 1805 1806
		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)) {

1807
			bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1808
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1809
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831
				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;

1832 1833
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1834

1835 1836
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
1837
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1838 1839 1840 1841
			spin_unlock_bh(&bp->phy_lock);
			msleep(50);
			spin_lock_bh(&bp->phy_lock);

1842 1843
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1844 1845
		}

1846
		bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857

		/* 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);
		}
1858 1859 1860
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1861 1862 1863 1864 1865
	}
	return 0;
}

static int
1866
bnx2_setup_phy(struct bnx2 *bp, u8 port)
1867 1868 1869 1870
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

1871
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1872
		return (bnx2_setup_serdes_phy(bp, port));
1873 1874 1875 1876 1877 1878
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905
static int
bnx2_init_5709s_phy(struct bnx2 *bp)
{
	u32 val;

	bp->mii_bmcr = MII_BMCR + 0x10;
	bp->mii_bmsr = MII_BMSR + 0x10;
	bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
	bp->mii_adv = MII_ADVERTISE + 0x10;
	bp->mii_lpa = MII_LPA + 0x10;
	bp->mii_up1 = MII_BNX2_OVER1G_UP1;

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
	bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
	bnx2_reset_phy(bp);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);

	bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
	val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
	val |= MII_BNX2_SD_1000XCTL1_FIBER;
	bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
	bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
1906
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927
		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;
}

1928
static int
M
Michael Chan 已提交
1929 1930 1931 1932
bnx2_init_5708s_phy(struct bnx2 *bp)
{
	u32 val;

1933 1934 1935 1936
	bnx2_reset_phy(bp);

	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 1986
		if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
			bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
				       BCM5708S_BLK_ADDR_TX_MISC);
			bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
			bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
				       BCM5708S_BLK_ADDR_DIG);
		}
	}
	return 0;
}

static int
bnx2_init_5706s_phy(struct bnx2 *bp)
1987
{
1988 1989
	bnx2_reset_phy(bp);

1990
	bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1991

M
Michael Chan 已提交
1992 1993
	if (CHIP_NUM(bp) == CHIP_NUM_5706)
        	REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1994 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 2024

	if (bp->dev->mtu > 1500) {
		u32 val;

		/* Set extended packet length bit */
		bnx2_write_phy(bp, 0x18, 0x7);
		bnx2_read_phy(bp, 0x18, &val);
		bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);

		bnx2_write_phy(bp, 0x1c, 0x6c00);
		bnx2_read_phy(bp, 0x1c, &val);
		bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
	}
	else {
		u32 val;

		bnx2_write_phy(bp, 0x18, 0x7);
		bnx2_read_phy(bp, 0x18, &val);
		bnx2_write_phy(bp, 0x18, val & ~0x4007);

		bnx2_write_phy(bp, 0x1c, 0x6c00);
		bnx2_read_phy(bp, 0x1c, &val);
		bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
	}

	return 0;
}

static int
bnx2_init_copper_phy(struct bnx2 *bp)
{
M
Michael Chan 已提交
2025 2026
	u32 val;

2027 2028
	bnx2_reset_phy(bp);

2029
	if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2030 2031 2032 2033 2034 2035 2036 2037 2038 2039
		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);
	}

2040
	if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2041 2042 2043 2044 2045 2046 2047
		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);
	}

2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065
	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
2066 2067 2068 2069
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2070 2071 2072 2073 2074 2075 2076 2077 2078 2079
	return 0;
}


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

2080 2081
	bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
	bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2082

2083 2084
	bp->mii_bmcr = MII_BMCR;
	bp->mii_bmsr = MII_BMSR;
2085
	bp->mii_bmsr1 = MII_BMSR;
2086 2087 2088
	bp->mii_adv = MII_ADVERTISE;
	bp->mii_lpa = MII_LPA;

2089 2090
        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

2091
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2092 2093
		goto setup_phy;

2094 2095 2096 2097 2098
	bnx2_read_phy(bp, MII_PHYSID1, &val);
	bp->phy_id = val << 16;
	bnx2_read_phy(bp, MII_PHYSID2, &val);
	bp->phy_id |= val & 0xffff;

2099
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
M
Michael Chan 已提交
2100 2101 2102 2103
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			rc = bnx2_init_5706s_phy(bp);
		else if (CHIP_NUM(bp) == CHIP_NUM_5708)
			rc = bnx2_init_5708s_phy(bp);
2104 2105
		else if (CHIP_NUM(bp) == CHIP_NUM_5709)
			rc = bnx2_init_5709s_phy(bp);
2106 2107 2108 2109 2110
	}
	else {
		rc = bnx2_init_copper_phy(bp);
	}

2111 2112 2113
setup_phy:
	if (!rc)
		rc = bnx2_setup_phy(bp, bp->phy_port);
2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130

	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
2131 2132 2133 2134 2135 2136 2137 2138 2139
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);
2140
	rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
M
Michael Chan 已提交
2141 2142 2143 2144 2145 2146 2147 2148
			    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
2149
		msleep(100);
M
Michael Chan 已提交
2150 2151 2152 2153 2154
	}

	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
2155
		      BNX2_EMAC_MODE_25G_MODE);
M
Michael Chan 已提交
2156 2157 2158 2159 2160 2161 2162

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

2163
static int
2164
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
2165 2166 2167 2168 2169 2170 2171
{
	int i;
	u32 val;

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

2172
	bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2173 2174

	/* wait for an acknowledgement. */
2175 2176
	for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
		msleep(10);
2177

2178
		val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2179 2180 2181 2182

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
2183 2184
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
2185 2186

	/* If we timed out, inform the firmware that this is the case. */
2187 2188 2189 2190
	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);
2191 2192 2193 2194

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

2195
		bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2196 2197 2198 2199

		return -EBUSY;
	}

2200 2201 2202
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

2203 2204 2205
	return 0;
}

M
Michael Chan 已提交
2206 2207 2208 2209 2210 2211 2212 2213 2214
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);
2215 2216 2217 2218 2219 2220 2221 2222 2223
	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
2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248
	for (i = 0; i < bp->ctx_pages; i++) {
		int j;

		REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
		       (bp->ctx_blk_mapping[i] & 0xffffffff) |
		       BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
		REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
		       (u64) bp->ctx_blk_mapping[i] >> 32);
		REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
		       BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
		for (j = 0; j < 10; j++) {

			val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
			if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
				break;
			udelay(5);
		}
		if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
			ret = -EBUSY;
			break;
		}
	}
	return ret;
}

2249 2250 2251 2252 2253 2254 2255 2256
static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;
2257
		int i;
2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277

		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;
		}

2278 2279 2280
		for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
			vcid_addr += (i << PHY_CTX_SHIFT);
			pcid_addr += (i << PHY_CTX_SHIFT);
2281

2282
			REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2283
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2284

2285 2286
			/* Zero out the context. */
			for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
M
Michael Chan 已提交
2287
				bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2288
		}
2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311
	}
}

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. */
2312
	val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2313
	while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2314 2315
		bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
				BNX2_RBUF_COMMAND_ALLOC_REQ);
2316

2317
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2318 2319 2320 2321 2322 2323 2324 2325 2326

		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++;
		}

2327
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2328 2329 2330 2331 2332 2333 2334 2335 2336 2337
	}

	/* 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;

2338
		bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2339 2340 2341 2342 2343 2344
	}
	kfree(good_mbuf);
	return 0;
}

static void
2345
bnx2_set_mac_addr(struct bnx2 *bp)
2346 2347 2348 2349 2350 2351 2352 2353
{
	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);

2354
	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2355 2356 2357 2358 2359
		(mac_addr[4] << 8) | mac_addr[5];

	REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
}

2360 2361 2362 2363 2364 2365 2366 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
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;
}

2396
static inline int
2397
bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
2398 2399 2400 2401
{
	struct sk_buff *skb;
	struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
	dma_addr_t mapping;
2402
	struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2403 2404
	unsigned long align;

2405
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2406 2407 2408 2409
	if (skb == NULL) {
		return -ENOMEM;
	}

M
Michael Chan 已提交
2410 2411
	if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
		skb_reserve(skb, BNX2_RX_ALIGN - align);
2412 2413 2414 2415 2416 2417 2418 2419 2420 2421

	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;

2422
	bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2423 2424 2425 2426

	return 0;
}

2427
static int
2428
bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2429
{
2430
	struct status_block *sblk = bnapi->status_blk;
2431
	u32 new_link_state, old_link_state;
2432
	int is_set = 1;
2433

2434 2435
	new_link_state = sblk->status_attn_bits & event;
	old_link_state = sblk->status_attn_bits_ack & event;
2436
	if (new_link_state != old_link_state) {
2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447
		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
2448
bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2449
{
2450
	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) {
2451
		spin_lock(&bp->phy_lock);
2452
		bnx2_set_link(bp);
2453
		spin_unlock(&bp->phy_lock);
2454
	}
2455
	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2456 2457
		bnx2_set_remote_link(bp);

2458 2459
}

2460
static inline u16
2461
bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2462 2463 2464
{
	u16 cons;

2465 2466 2467 2468
	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;
2469 2470 2471 2472 2473 2474

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

M
Michael Chan 已提交
2475 2476
static int
bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2477 2478
{
	u16 hw_cons, sw_cons, sw_ring_cons;
M
Michael Chan 已提交
2479
	int tx_pkt = 0;
2480

2481
	hw_cons = bnx2_get_hw_tx_cons(bnapi);
2482
	sw_cons = bnapi->tx_cons;
2483 2484 2485 2486 2487 2488 2489 2490 2491 2492

	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
2493

2494
		/* partial BD completions possible with TSO packets */
H
Herbert Xu 已提交
2495
		if (skb_is_gso(skb)) {
2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508
			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
2509

2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528
		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);

2529
		dev_kfree_skb(skb);
M
Michael Chan 已提交
2530 2531 2532
		tx_pkt++;
		if (tx_pkt == budget)
			break;
2533

2534
		hw_cons = bnx2_get_hw_tx_cons(bnapi);
2535 2536
	}

2537 2538
	bnapi->hw_tx_cons = hw_cons;
	bnapi->tx_cons = sw_cons;
M
Michael Chan 已提交
2539 2540 2541 2542 2543 2544
	/* 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();
2545

M
Michael Chan 已提交
2546
	if (unlikely(netif_queue_stopped(bp->dev)) &&
2547
		     (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
M
Michael Chan 已提交
2548
		netif_tx_lock(bp->dev);
2549
		if ((netif_queue_stopped(bp->dev)) &&
2550
		    (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
2551
			netif_wake_queue(bp->dev);
M
Michael Chan 已提交
2552
		netif_tx_unlock(bp->dev);
2553
	}
M
Michael Chan 已提交
2554
	return tx_pkt;
2555 2556
}

2557
static void
2558 2559
bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
			struct sk_buff *skb, int count)
2560 2561 2562 2563 2564
{
	struct sw_pg *cons_rx_pg, *prod_rx_pg;
	struct rx_bd *cons_bd, *prod_bd;
	dma_addr_t mapping;
	int i;
2565 2566
	u16 hw_prod = bnapi->rx_pg_prod, prod;
	u16 cons = bnapi->rx_pg_cons;
2567 2568 2569 2570 2571 2572 2573 2574 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

	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);
	}
2603 2604
	bnapi->rx_pg_prod = hw_prod;
	bnapi->rx_pg_cons = cons;
2605 2606
}

2607
static inline void
2608
bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2609 2610
	u16 cons, u16 prod)
{
2611 2612 2613 2614 2615
	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];
2616 2617 2618 2619 2620

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

2621
	bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2622

2623
	prod_rx_buf->skb = skb;
2624

2625 2626
	if (cons == prod)
		return;
2627

2628 2629 2630
	pci_unmap_addr_set(prod_rx_buf, mapping,
			pci_unmap_addr(cons_rx_buf, mapping));

2631 2632
	cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2633 2634
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2635 2636
}

2637
static int
2638 2639 2640
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)
2641 2642 2643 2644
{
	int err;
	u16 prod = ring_idx & 0xffff;

2645
	err = bnx2_alloc_rx_skb(bp, bnapi, prod);
2646
	if (unlikely(err)) {
2647
		bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
2648 2649 2650 2651
		if (hdr_len) {
			unsigned int raw_len = len + 4;
			int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;

2652
			bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
2653
		}
2654 2655 2656 2657 2658 2659 2660
		return err;
	}

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

2661 2662 2663 2664 2665 2666
	if (hdr_len == 0) {
		skb_put(skb, len);
		return 0;
	} else {
		unsigned int i, frag_len, frag_size, pages;
		struct sw_pg *rx_pg;
2667 2668
		u16 pg_cons = bnapi->rx_pg_cons;
		u16 pg_prod = bnapi->rx_pg_prod;
2669 2670 2671 2672 2673 2674 2675 2676 2677 2678

		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;

2679 2680 2681 2682
				bnapi->rx_pg_cons = pg_cons;
				bnapi->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
							pages - i);
2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707
				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)) {
2708 2709 2710 2711
				bnapi->rx_pg_cons = pg_cons;
				bnapi->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
							pages - i);
2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722
				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));
		}
2723 2724
		bnapi->rx_pg_prod = pg_prod;
		bnapi->rx_pg_cons = pg_cons;
2725
	}
2726 2727 2728
	return 0;
}

M
Michael Chan 已提交
2729
static inline u16
2730
bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
2731
{
2732
	u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
M
Michael Chan 已提交
2733 2734 2735 2736 2737 2738

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

2739
static int
2740
bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2741 2742 2743
{
	u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
	struct l2_fhdr *rx_hdr;
2744
	int rx_pkt = 0, pg_ring_used = 0;
2745

2746
	hw_cons = bnx2_get_hw_rx_cons(bnapi);
2747 2748
	sw_cons = bnapi->rx_cons;
	sw_prod = bnapi->rx_prod;
2749 2750 2751 2752 2753 2754

	/* 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) {
2755
		unsigned int len, hdr_len;
2756
		u32 status;
2757 2758
		struct sw_bd *rx_buf;
		struct sk_buff *skb;
2759
		dma_addr_t dma_addr;
2760 2761 2762 2763 2764 2765

		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;
2766 2767 2768 2769 2770 2771

		rx_buf->skb = NULL;

		dma_addr = pci_unmap_addr(rx_buf, mapping);

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2772 2773 2774
			bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);

		rx_hdr = (struct l2_fhdr *) skb->data;
2775
		len = rx_hdr->l2_fhdr_pkt_len;
2776

2777
		if ((status = rx_hdr->l2_fhdr_status) &
2778 2779 2780 2781 2782 2783
			(L2_FHDR_ERRORS_BAD_CRC |
			L2_FHDR_ERRORS_PHY_DECODE |
			L2_FHDR_ERRORS_ALIGNMENT |
			L2_FHDR_ERRORS_TOO_SHORT |
			L2_FHDR_ERRORS_GIANT_FRAME)) {

2784 2785
			bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
					  sw_ring_prod);
2786
			goto next_rx;
2787
		}
2788 2789 2790 2791 2792 2793 2794 2795 2796 2797
		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;
2798

2799
		if (len <= bp->rx_copy_thresh) {
2800 2801
			struct sk_buff *new_skb;

2802
			new_skb = netdev_alloc_skb(bp->dev, len + 2);
2803
			if (new_skb == NULL) {
2804
				bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2805 2806 2807
						  sw_ring_prod);
				goto next_rx;
			}
2808 2809

			/* aligned copy */
2810 2811
			skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
				      new_skb->data, len + 2);
2812 2813 2814
			skb_reserve(new_skb, 2);
			skb_put(new_skb, len);

2815
			bnx2_reuse_rx_skb(bp, bnapi, skb,
2816 2817 2818
				sw_ring_cons, sw_ring_prod);

			skb = new_skb;
2819 2820
		} else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
			   dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2821 2822 2823 2824 2825
			goto next_rx;

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

		if ((len > (bp->dev->mtu + ETH_HLEN)) &&
A
Alexey Dobriyan 已提交
2826
			(ntohs(skb->protocol) != 0x8100)) {
2827

2828
			dev_kfree_skb(skb);
2829 2830 2831 2832 2833 2834 2835 2836 2837
			goto next_rx;

		}

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

2838 2839
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2840 2841 2842 2843
				skb->ip_summed = CHECKSUM_UNNECESSARY;
		}

#ifdef BCM_VLAN
A
Al Viro 已提交
2844
		if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860
			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
2861 2862 2863

		/* Refresh hw_cons to see if there is new work */
		if (sw_cons == hw_cons) {
2864
			hw_cons = bnx2_get_hw_rx_cons(bnapi);
M
Michael Chan 已提交
2865 2866
			rmb();
		}
2867
	}
2868 2869
	bnapi->rx_cons = sw_cons;
	bnapi->rx_prod = sw_prod;
2870

2871 2872
	if (pg_ring_used)
		REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2873
			 bnapi->rx_pg_prod);
2874

2875 2876
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);

2877
	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888

	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
2889
bnx2_msi(int irq, void *dev_instance)
2890 2891
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2892
	struct bnx2 *bp = netdev_priv(dev);
2893
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2894

2895
	prefetch(bnapi->status_blk);
2896 2897 2898 2899 2900
	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. */
2901 2902
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2903

2904
	netif_rx_schedule(dev, &bnapi->napi);
2905

2906
	return IRQ_HANDLED;
2907 2908
}

2909 2910 2911 2912 2913
static irqreturn_t
bnx2_msi_1shot(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2 *bp = netdev_priv(dev);
2914
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2915

2916
	prefetch(bnapi->status_blk);
2917 2918 2919 2920 2921

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

2922
	netif_rx_schedule(dev, &bnapi->napi);
2923 2924 2925 2926

	return IRQ_HANDLED;
}

2927
static irqreturn_t
2928
bnx2_interrupt(int irq, void *dev_instance)
2929 2930
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2931
	struct bnx2 *bp = netdev_priv(dev);
2932
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2933
	struct status_block *sblk = bnapi->status_blk;
2934 2935 2936 2937 2938 2939 2940

	/* 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.
	 */
2941
	if ((sblk->status_idx == bnapi->last_status_idx) &&
2942 2943
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2944
		return IRQ_NONE;
2945 2946 2947 2948 2949

	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

2950 2951 2952 2953 2954
	/* Read back to deassert IRQ immediately to avoid too many
	 * spurious interrupts.
	 */
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);

2955
	/* Return here if interrupt is shared and is disabled. */
2956 2957
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2958

2959 2960 2961
	if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
		bnapi->last_status_idx = sblk->status_idx;
		__netif_rx_schedule(dev, &bnapi->napi);
2962
	}
2963

2964
	return IRQ_HANDLED;
2965 2966
}

M
Michael Chan 已提交
2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983
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;
}

2984 2985
#define STATUS_ATTN_EVENTS	(STATUS_ATTN_BITS_LINK_STATE | \
				 STATUS_ATTN_BITS_TIMER_ABORT)
2986

M
Michael Chan 已提交
2987
static inline int
2988
bnx2_has_work(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
2989
{
2990
	struct status_block *sblk = bnapi->status_blk;
M
Michael Chan 已提交
2991

2992
	if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
2993
	    (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
M
Michael Chan 已提交
2994 2995
		return 1;

2996 2997
	if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
M
Michael Chan 已提交
2998 2999 3000 3001 3002
		return 1;

	return 0;
}

M
Michael Chan 已提交
3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025
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;
}

3026 3027
static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
			  int work_done, int budget)
3028
{
3029
	struct status_block *sblk = bnapi->status_blk;
3030 3031
	u32 status_attn_bits = sblk->status_attn_bits;
	u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3032

3033 3034
	if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3035

3036
		bnx2_phy_int(bp, bnapi);
M
Michael Chan 已提交
3037 3038 3039 3040 3041 3042 3043

		/* 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);
3044 3045
	}

3046
	if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
M
Michael Chan 已提交
3047
		bnx2_tx_int(bp, bnapi, 0);
3048

3049
	if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
3050
		work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3051

3052 3053 3054 3055 3056
	return work_done;
}

static int bnx2_poll(struct napi_struct *napi, int budget)
{
3057 3058
	struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
	struct bnx2 *bp = bnapi->bp;
3059
	int work_done = 0;
3060
	struct status_block *sblk = bnapi->status_blk;
3061 3062

	while (1) {
3063
		work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
M
Michael Chan 已提交
3064

3065 3066 3067
		if (unlikely(work_done >= budget))
			break;

3068
		/* bnapi->last_status_idx is used below to tell the hw how
M
Michael Chan 已提交
3069 3070 3071
		 * much work has been processed, so we must read it before
		 * checking for more work.
		 */
3072
		bnapi->last_status_idx = sblk->status_idx;
M
Michael Chan 已提交
3073
		rmb();
3074
		if (likely(!bnx2_has_work(bnapi))) {
3075
			netif_rx_complete(bp->dev, napi);
3076
			if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3077 3078
				REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
				       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3079
				       bnapi->last_status_idx);
M
Michael Chan 已提交
3080
				break;
3081
			}
3082 3083
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3084
			       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3085
			       bnapi->last_status_idx);
3086

3087 3088
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3089
			       bnapi->last_status_idx);
3090 3091
			break;
		}
3092 3093
	}

3094
	return work_done;
3095 3096
}

H
Herbert Xu 已提交
3097
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
3098 3099 3100 3101 3102
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
3103
	struct bnx2 *bp = netdev_priv(dev);
3104 3105 3106
	u32 rx_mode, sort_mode;
	int i;

3107
	spin_lock_bh(&bp->phy_lock);
3108 3109 3110 3111 3112

	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
3113
	if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
3114 3115
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
3116
	if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
M
Michael Chan 已提交
3117
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3118 3119 3120 3121
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
M
Michael Chan 已提交
3122 3123
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168
	}
	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);

3169
	spin_unlock_bh(&bp->phy_lock);
3170 3171 3172
}

static void
A
Al Viro 已提交
3173
load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3174 3175 3176 3177 3178 3179 3180
	u32 rv2p_proc)
{
	int i;
	u32 val;


	for (i = 0; i < rv2p_code_len; i += 8) {
A
Al Viro 已提交
3181
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3182
		rv2p_code++;
A
Al Viro 已提交
3183
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204
		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);
	}
}

3205
static int
3206 3207 3208 3209
load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
{
	u32 offset;
	u32 val;
3210
	int rc;
3211 3212

	/* Halt the CPU. */
3213
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3214
	val |= cpu_reg->mode_value_halt;
3215 3216
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3217 3218 3219

	/* Load the Text area. */
	offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3220
	if (fw->gz_text) {
3221 3222
		int j;

M
Michael Chan 已提交
3223 3224 3225
		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
3226
			return rc;
M
Michael Chan 已提交
3227

3228
		for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3229
			bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3230 3231 3232 3233 3234 3235 3236 3237 3238
	        }
	}

	/* 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) {
3239
			bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3240 3241 3242 3243 3244
		}
	}

	/* Load the SBSS area. */
	offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
M
Michael Chan 已提交
3245
	if (fw->sbss_len) {
3246 3247 3248
		int j;

		for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3249
			bnx2_reg_wr_ind(bp, offset, 0);
3250 3251 3252 3253 3254
		}
	}

	/* Load the BSS area. */
	offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
M
Michael Chan 已提交
3255
	if (fw->bss_len) {
3256 3257 3258
		int j;

		for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3259
			bnx2_reg_wr_ind(bp, offset, 0);
3260 3261 3262 3263 3264 3265 3266 3267 3268 3269
		}
	}

	/* 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) {
3270
			bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3271 3272 3273 3274
		}
	}

	/* Clear the pre-fetch instruction. */
3275 3276
	bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
	bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3277 3278

	/* Start the CPU. */
3279
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3280
	val &= ~cpu_reg->mode_value_halt;
3281 3282
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3283 3284

	return 0;
3285 3286
}

3287
static int
3288 3289 3290
bnx2_init_cpus(struct bnx2 *bp)
{
	struct cpu_reg cpu_reg;
3291
	struct fw_info *fw;
3292 3293
	int rc, rv2p_len;
	void *text, *rv2p;
3294 3295

	/* Initialize the RV2P processor. */
D
Denys Vlasenko 已提交
3296 3297 3298
	text = vmalloc(FW_BUF_SIZE);
	if (!text)
		return -ENOMEM;
3299 3300 3301 3302 3303 3304 3305 3306
	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
3307
	if (rc < 0)
3308
		goto init_cpu_err;
M
Michael Chan 已提交
3309

D
Denys Vlasenko 已提交
3310
	load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3311

3312 3313 3314 3315 3316 3317 3318 3319
	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
3320
	if (rc < 0)
3321
		goto init_cpu_err;
M
Michael Chan 已提交
3322

D
Denys Vlasenko 已提交
3323
	load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337

	/* 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;
3338

M
Michael Chan 已提交
3339 3340 3341 3342
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_rxp_fw_09;
	else
		fw = &bnx2_rxp_fw_06;
3343

M
Michael Chan 已提交
3344
	fw->text = text;
3345
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3346 3347 3348
	if (rc)
		goto init_cpu_err;

3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361
	/* 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;
3362

M
Michael Chan 已提交
3363 3364 3365 3366
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_txp_fw_09;
	else
		fw = &bnx2_txp_fw_06;
3367

M
Michael Chan 已提交
3368
	fw->text = text;
3369
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3370 3371 3372
	if (rc)
		goto init_cpu_err;

3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385
	/* 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;
3386

M
Michael Chan 已提交
3387 3388 3389 3390
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_tpat_fw_09;
	else
		fw = &bnx2_tpat_fw_06;
3391

M
Michael Chan 已提交
3392
	fw->text = text;
3393
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3394 3395 3396
	if (rc)
		goto init_cpu_err;

3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409
	/* 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;
3410

M
Michael Chan 已提交
3411 3412 3413 3414
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_com_fw_09;
	else
		fw = &bnx2_com_fw_06;
3415

M
Michael Chan 已提交
3416
	fw->text = text;
3417
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3418 3419 3420
	if (rc)
		goto init_cpu_err;

M
Michael Chan 已提交
3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433
	/* 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;
3434

3435
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
M
Michael Chan 已提交
3436
		fw = &bnx2_cp_fw_09;
3437 3438 3439 3440 3441
	else
		fw = &bnx2_cp_fw_06;

	fw->text = text;
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3442

3443
init_cpu_err:
M
Michael Chan 已提交
3444
	vfree(text);
3445
	return rc;
3446 3447 3448
}

static int
3449
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3450 3451 3452 3453 3454 3455
{
	u16 pmcsr;

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

	switch (state) {
3456
	case PCI_D0: {
3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476
		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;
	}
3477
	case PCI_D3hot: {
3478 3479 3480 3481 3482 3483 3484 3485 3486 3487
		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
3488 3489 3490 3491 3492 3493 3494 3495
			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;
			}
3496

M
Michael Chan 已提交
3497 3498 3499
			spin_lock_bh(&bp->phy_lock);
			bnx2_setup_phy(bp, bp->phy_port);
			spin_unlock_bh(&bp->phy_lock);
3500 3501 3502 3503 3504 3505 3506 3507 3508 3509

			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
3510
			val |= BNX2_EMAC_MODE_MPKT_RCVD |
3511 3512
			       BNX2_EMAC_MODE_ACPI_RCVD |
			       BNX2_EMAC_MODE_MPKT;
M
Michael Chan 已提交
3513 3514 3515 3516 3517 3518 3519
			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;
			}
3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553

			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;
		}

3554
		if (!(bp->flags & BNX2_FLAG_NO_WOL))
M
Michael Chan 已提交
3555
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638

		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
3639
	if (bp->flash_info->flags & BNX2_NV_WREN) {
3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676
		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. */
3677
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3678 3679 3680 3681 3682 3683 3684 3685 3686 3687
	       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. */
3688
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3689 3690 3691 3692 3693 3694 3695 3696 3697 3698
		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
3699
	if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 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
		/* 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
3742 3743
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765
		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
3766 3767
			__be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
			memcpy(ret_val, &v, 4);
3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780
			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
3781 3782
	u32 cmd;
	__be32 val32;
3783 3784 3785 3786 3787
	int j;

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

M
Michael Chan 已提交
3788 3789
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800
		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
3801
	REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825

	/* 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
3826
	int j, entry_count, rc = 0;
3827 3828
	struct flash_spec *flash;

M
Michael Chan 已提交
3829 3830 3831 3832 3833
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->flash_info = &flash_5709;
		goto get_flash_size;
	}

3834 3835 3836
	/* Determine the selected interface. */
	val = REG_RD(bp, BNX2_NVM_CFG1);

3837
	entry_count = ARRAY_SIZE(flash_table);
3838 3839 3840 3841 3842

	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
3843 3844 3845
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3846 3847 3848 3849 3850 3851
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
3852
		u32 mask;
3853 3854
		/* Not yet been reconfigured */

3855 3856 3857 3858 3859
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

3860 3861 3862
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

3863
			if ((val & mask) == (flash->strapping & mask)) {
3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889
				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;
3890
		printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
M
Michael Chan 已提交
3891
		return -ENODEV;
3892 3893
	}

M
Michael Chan 已提交
3894
get_flash_size:
3895
	val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
M
Michael Chan 已提交
3896 3897 3898 3899 3900 3901
	val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
	if (val)
		bp->flash_size = val;
	else
		bp->flash_size = bp->flash_info->total_size;

3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 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
	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;
4020
	u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4021 4022 4023 4024 4025 4026 4027 4028 4029 4030
	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
4031 4032 4033
		len32 += align_start;
		if (len32 < 4)
			len32 = 4;
4034 4035 4036 4037 4038
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
M
Michael Chan 已提交
4039 4040 4041 4042
		align_end = 4 - (len32 & 3);
		len32 += align_end;
		if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
			return rc;
4043 4044 4045
	}

	if (align_start || align_end) {
4046 4047
		align_buf = kmalloc(len32, GFP_KERNEL);
		if (align_buf == NULL)
4048 4049
			return -ENOMEM;
		if (align_start) {
4050
			memcpy(align_buf, start, 4);
4051 4052
		}
		if (align_end) {
4053
			memcpy(align_buf + len32 - 4, end, 4);
4054
		}
4055 4056
		memcpy(align_buf + align_start, data_buf, buf_size);
		buf = align_buf;
4057 4058
	}

M
Michael Chan 已提交
4059
	if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4060 4061 4062 4063 4064 4065 4066
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080
	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 */
4081
		data_end = (page_end > offset32 + len32) ?
4082 4083 4084 4085 4086 4087 4088 4089 4090 4091
			(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
4092
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4093 4094 4095 4096 4097 4098 4099 4100 4101
			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,
4102 4103
					page_start + j,
					&flash_buffer[j],
4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119
					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
4120
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
M
Michael Chan 已提交
4121 4122 4123 4124 4125 4126 4127
			/* 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);

4128 4129
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
4130

4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141
				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 */
4142
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4143
			if ((addr == page_end - 4) ||
M
Michael Chan 已提交
4144
				((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160
				 (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
4161
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4162 4163
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
4164

4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189
				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:
4190 4191
	kfree(flash_buffer);
	kfree(align_buf);
4192 4193 4194
	return rc;
}

4195 4196 4197 4198 4199
static void
bnx2_init_remote_phy(struct bnx2 *bp)
{
	u32 val;

4200 4201
	bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
	if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
4202 4203
		return;

4204
	val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4205 4206 4207 4208
	if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
		return;

	if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
4209
		bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4210

4211
		val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4212 4213 4214 4215
		if (val & BNX2_LINK_STATUS_SERDES_LINK)
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;
4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228

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

			if (val & BNX2_LINK_STATUS_LINK_UP) {
				bp->link_up = 1;
				netif_carrier_on(bp->dev);
			} else {
				bp->link_up = 0;
				netif_carrier_off(bp->dev);
			}
			sig = BNX2_DRV_ACK_CAP_SIGNATURE |
			      BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4229
			bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4230
		}
4231 4232 4233
	}
}

4234 4235 4236 4237 4238 4239 4240 4241 4242
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);
}

4243 4244 4245 4246 4247
static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;
4248
	u8 old_port;
4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259

	/* 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);

4260 4261 4262
	/* 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);

4263 4264
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
4265 4266
	bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
		      BNX2_DRV_RESET_SIGNATURE_MAGIC);
4267 4268 4269 4270 4271

	/* 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);

4272 4273 4274 4275
	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);
4276

4277 4278
		val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4279

4280
		pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4281

4282 4283 4284 4285 4286 4287 4288 4289
	} 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);

4290 4291 4292 4293
		/* 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.
		 */
4294
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
A
Arjan van de Ven 已提交
4295 4296
		    (CHIP_ID(bp) == CHIP_ID_5706_A1))
			msleep(20);
4297

4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311
		/* 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;
		}
4312 4313 4314 4315 4316 4317 4318 4319 4320 4321
	}

	/* 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. */
4322 4323 4324
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
	if (rc)
		return rc;
4325

4326
	spin_lock_bh(&bp->phy_lock);
4327
	old_port = bp->phy_port;
4328
	bnx2_init_remote_phy(bp);
4329 4330
	if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
	    old_port != bp->phy_port)
4331 4332 4333
		bnx2_set_default_remote_link(bp);
	spin_unlock_bh(&bp->phy_lock);

4334 4335 4336 4337 4338 4339 4340 4341 4342
	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);
	}

4343
	if (bp->flags & BNX2_FLAG_USING_MSIX)
4344 4345
		bnx2_setup_msix_tbl(bp);

4346 4347 4348 4349 4350 4351 4352
	return rc;
}

static int
bnx2_init_chip(struct bnx2 *bp)
{
	u32 val;
4353
	int rc, i;
4354 4355 4356 4357 4358 4359 4360

	/* 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
4361
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4362
#endif
4363
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4364 4365 4366 4367 4368
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

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

4369
	if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4370 4371 4372
		val |= (1 << 23);

	if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4373
	    (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4374 4375 4376 4377 4378 4379 4380 4381 4382 4383
		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);
	}

4384
	if (bp->flags & BNX2_FLAG_PCIX) {
4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399
		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. */
4400 4401 4402 4403 4404
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rc = bnx2_init_5709_context(bp);
		if (rc)
			return rc;
	} else
M
Michael Chan 已提交
4405
		bnx2_init_context(bp);
4406

4407 4408 4409
	if ((rc = bnx2_init_cpus(bp)) != 0)
		return rc;

4410 4411 4412 4413 4414 4415 4416
	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;
4417 4418 4419
	if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
		val |= BNX2_MQ_CONFIG_HALT_DIS;

4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448
	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);

4449 4450 4451
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
		bp->bnx2_napi[i].last_status_idx = 0;

4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465
	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);

4466
	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4467 4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484
	       (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);

4485 4486 4487
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
		REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
	else
4488
		REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4489 4490 4491
	REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */

	if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4492
		val = BNX2_HC_CONFIG_COLLECT_STATS;
4493
	else {
4494 4495
		val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
		      BNX2_HC_CONFIG_COLLECT_STATS;
4496 4497
	}

4498
	if (bp->flags & BNX2_FLAG_USING_MSIX) {
4499 4500 4501
		u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
			   BNX2_HC_SB_CONFIG_1;

4502 4503 4504
		REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
		       BNX2_HC_MSIX_BIT_VECTOR_VAL);

4505
		REG_WR(bp, base,
4506 4507 4508
			BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
			BNX2_HC_SB_CONFIG_1_ONE_SHOT);

4509
		REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4510 4511 4512
			(bp->tx_quick_cons_trip_int << 16) |
			 bp->tx_quick_cons_trip);

4513
		REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4514 4515 4516 4517 4518
			(bp->tx_ticks_int << 16) | bp->tx_ticks);

		val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
	}

4519
	if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4520 4521 4522 4523
		val |= BNX2_HC_CONFIG_ONE_SHOT;

	REG_WR(bp, BNX2_HC_CONFIG, val);

4524 4525 4526
	/* Clear internal stats counters. */
	REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);

4527
	REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4528 4529 4530 4531

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

M
Michael Chan 已提交
4532 4533 4534 4535 4536
	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);
	}
4537 4538
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
			  0);
4539

M
Michael Chan 已提交
4540
	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4541 4542 4543 4544
	REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);

	udelay(20);

M
Michael Chan 已提交
4545 4546
	bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);

4547
	return rc;
4548 4549
}

4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568
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
4569 4570 4571 4572
static void
bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
{
	u32 val, offset0, offset1, offset2, offset3;
M
Michael Chan 已提交
4573
	u32 cid_addr = GET_CID_ADDR(cid);
M
Michael Chan 已提交
4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586

	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
4587
	bnx2_ctx_wr(bp, cid_addr, offset0, val);
M
Michael Chan 已提交
4588 4589

	val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
M
Michael Chan 已提交
4590
	bnx2_ctx_wr(bp, cid_addr, offset1, val);
M
Michael Chan 已提交
4591 4592

	val = (u64) bp->tx_desc_mapping >> 32;
M
Michael Chan 已提交
4593
	bnx2_ctx_wr(bp, cid_addr, offset2, val);
M
Michael Chan 已提交
4594 4595

	val = (u64) bp->tx_desc_mapping & 0xffffffff;
M
Michael Chan 已提交
4596
	bnx2_ctx_wr(bp, cid_addr, offset3, val);
M
Michael Chan 已提交
4597
}
4598 4599 4600 4601 4602

static void
bnx2_init_tx_ring(struct bnx2 *bp)
{
	struct tx_bd *txbd;
4603 4604 4605 4606
	u32 cid = TX_CID;
	struct bnx2_napi *bnapi;

	bp->tx_vec = 0;
4607
	if (bp->flags & BNX2_FLAG_USING_MSIX) {
4608 4609 4610 4611 4612 4613
		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];
4614

M
Michael Chan 已提交
4615 4616
	bp->tx_wake_thresh = bp->tx_ring_size / 2;

4617
	txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4618

4619 4620 4621 4622 4623
	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;
4624

M
Michael Chan 已提交
4625 4626
	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;
4627

M
Michael Chan 已提交
4628
	bnx2_init_tx_context(bp, cid);
4629 4630 4631
}

static void
4632 4633
bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
		     int num_rings)
4634 4635
{
	int i;
4636
	struct rx_bd *rxbd;
4637

4638
	for (i = 0; i < num_rings; i++) {
4639
		int j;
4640

4641
		rxbd = &rx_ring[i][0];
4642
		for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4643
			rxbd->rx_bd_len = buf_size;
4644 4645
			rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
		}
4646
		if (i == (num_rings - 1))
4647 4648 4649
			j = 0;
		else
			j = i + 1;
4650 4651
		rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
		rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4652
	}
4653 4654 4655 4656 4657 4658 4659 4660
}

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);
4661
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
4662 4663 4664 4665

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

4666 4667 4668 4669 4670 4671 4672
	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
4673
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4674 4675 4676 4677 4678
	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
4679 4680
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4681 4682 4683
		       BNX2_L2CTX_RBDC_JUMBO_KEY);

		val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
M
Michael Chan 已提交
4684
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4685 4686

		val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
M
Michael Chan 已提交
4687
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4688 4689 4690 4691

		if (CHIP_NUM(bp) == CHIP_NUM_5709)
			REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
	}
4692

4693
	val = (u64) bp->rx_desc_mapping[0] >> 32;
M
Michael Chan 已提交
4694
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4695

4696
	val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
M
Michael Chan 已提交
4697
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4698

4699
	ring_prod = prod = bnapi->rx_pg_prod;
4700 4701 4702 4703 4704 4705
	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);
	}
4706
	bnapi->rx_pg_prod = prod;
4707

4708
	ring_prod = prod = bnapi->rx_prod;
4709
	for (i = 0; i < bp->rx_ring_size; i++) {
4710
		if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
4711 4712 4713 4714 4715
			break;
		}
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_RING_IDX(prod);
	}
4716
	bnapi->rx_prod = prod;
4717

4718 4719
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
		 bnapi->rx_pg_prod);
4720 4721
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);

4722
	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
4723 4724
}

4725
static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4726
{
4727
	u32 max, num_rings = 1;
4728

4729 4730
	while (ring_size > MAX_RX_DESC_CNT) {
		ring_size -= MAX_RX_DESC_CNT;
4731 4732 4733
		num_rings++;
	}
	/* round to next power of 2 */
4734
	max = max_size;
4735 4736 4737 4738 4739 4740
	while ((max & num_rings) == 0)
		max >>= 1;

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

4741 4742 4743 4744 4745 4746
	return max;
}

static void
bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
{
M
Michael Chan 已提交
4747
	u32 rx_size, rx_space, jumbo_size;
4748 4749 4750 4751

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

M
Michael Chan 已提交
4752 4753 4754
	rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
		sizeof(struct skb_shared_info);

4755
	bp->rx_copy_thresh = RX_COPY_THRESH;
4756 4757 4758
	bp->rx_pg_ring_size = 0;
	bp->rx_max_pg_ring = 0;
	bp->rx_max_pg_ring_idx = 0;
4759
	if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
M
Michael Chan 已提交
4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772
		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;
	}
4773 4774 4775 4776

	bp->rx_buf_use_size = rx_size;
	/* hw alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4777
	bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
4778 4779
	bp->rx_ring_size = size;
	bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4780 4781 4782
	bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
}

4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813
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);
		}
4814
		dev_kfree_skb(skb);
4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827
		i += j + 1;
	}

}

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

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

4828
	for (i = 0; i < bp->rx_max_ring_idx; i++) {
4829 4830 4831
		struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
		struct sk_buff *skb = rx_buf->skb;

4832
		if (skb == NULL)
4833 4834 4835 4836 4837 4838 4839
			continue;

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

		rx_buf->skb = NULL;

4840
		dev_kfree_skb(skb);
4841
	}
4842 4843
	for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
		bnx2_free_rx_page(bp, i);
4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862
}

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;

4863 4864 4865
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

4866
	bnx2_clear_ring_states(bp);
4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879
	bnx2_init_tx_ring(bp);
	bnx2_init_rx_ring(bp);
	return 0;
}

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

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

M
Michael Chan 已提交
4880
	spin_lock_bh(&bp->phy_lock);
4881 4882
	bnx2_init_phy(bp);
	bnx2_set_link(bp);
4883
	spin_unlock_bh(&bp->phy_lock);
4884 4885 4886 4887 4888 4889 4890
	return 0;
}

static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
4891
	int i, is_5709;
4892
	static const struct {
4893 4894
		u16   offset;
		u16   flags;
4895
#define BNX2_FL_NOT_5709	1
4896 4897 4898 4899 4900 4901 4902
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922
		{ 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 },
4923 4924 4925 4926 4927 4928 4929

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

		{ 0x1408, 0, 0x01c00800, 0x00000000 },
		{ 0x149c, 0, 0x8000ffff, 0x00000000 },
		{ 0x14a8, 0, 0x00000000, 0x000001ff },
M
Michael Chan 已提交
4930
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
4931 4932 4933 4934 4935 4936 4937 4938 4939 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
		{ 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;
5008 5009 5010 5011
	is_5709 = 0;
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		is_5709 = 1;

5012 5013
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;
5014 5015 5016 5017
		u16 flags = reg_tbl[i].flags;

		if (is_5709 && (flags & BNX2_FL_NOT_5709))
			continue;
5018 5019 5020 5021 5022

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

5023
		save_val = readl(bp->regview + offset);
5024

5025
		writel(0, bp->regview + offset);
5026

5027
		val = readl(bp->regview + offset);
5028 5029 5030 5031 5032 5033 5034 5035
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

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

5036
		writel(0xffffffff, bp->regview + offset);
5037

5038
		val = readl(bp->regview + offset);
5039 5040 5041 5042 5043 5044 5045 5046
		if ((val & rw_mask) != rw_mask) {
			goto reg_test_err;
		}

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

5047
		writel(save_val, bp->regview + offset);
5048 5049 5050
		continue;

reg_test_err:
5051
		writel(save_val, bp->regview + offset);
5052 5053 5054 5055 5056 5057 5058 5059 5060
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
5061
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5062 5063 5064 5065 5066 5067 5068 5069
		0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
	int i;

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

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

5070
			bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5071

5072
			if (bnx2_reg_rd_ind(bp, start + offset) !=
5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085
				test_pattern[i]) {
				return -ENODEV;
			}
		}
	}
	return 0;
}

static int
bnx2_test_memory(struct bnx2 *bp)
{
	int ret = 0;
	int i;
5086
	static struct mem_entry {
5087 5088
		u32   offset;
		u32   len;
5089
	} mem_tbl_5706[] = {
5090
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
5091
		{ 0xa0000,  0x3000 },
5092 5093 5094 5095 5096
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
5097 5098 5099 5100 5101 5102 5103 5104
	},
	mem_tbl_5709[] = {
		{ 0x60000,  0x4000 },
		{ 0xa0000,  0x3000 },
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0xffffffff, 0    },
5105
	};
5106 5107 5108 5109 5110 5111
	struct mem_entry *mem_tbl;

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		mem_tbl = mem_tbl_5709;
	else
		mem_tbl = mem_tbl_5706;
5112 5113 5114 5115 5116 5117 5118

	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;
		}
	}
5119

5120 5121 5122
	return ret;
}

M
Michael Chan 已提交
5123 5124 5125
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

5126
static int
M
Michael Chan 已提交
5127
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5128 5129 5130 5131
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
5132
	u16 rx_start_idx, rx_idx;
5133 5134 5135 5136 5137
	dma_addr_t map;
	struct tx_bd *txbd;
	struct sw_bd *rx_buf;
	struct l2_fhdr *rx_hdr;
	int ret = -ENODEV;
5138 5139 5140
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;

	tx_napi = bnapi;
5141
	if (bp->flags & BNX2_FLAG_USING_MSIX)
5142
		tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
5143

M
Michael Chan 已提交
5144 5145 5146 5147 5148
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5149
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5150 5151
			return 0;

M
Michael Chan 已提交
5152
		bp->loopback = PHY_LOOPBACK;
M
Michael Chan 已提交
5153 5154 5155 5156
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
5157

M
Michael Chan 已提交
5158
	pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5159
	skb = netdev_alloc_skb(bp->dev, pkt_size);
5160 5161
	if (!skb)
		return -ENOMEM;
5162
	packet = skb_put(skb, pkt_size);
M
Michael Chan 已提交
5163
	memcpy(packet, bp->dev->dev_addr, 6);
5164 5165 5166 5167 5168 5169 5170
	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
5171 5172 5173
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5174 5175 5176
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);
5177
	rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5178 5179 5180

	num_pkts = 0;

M
Michael Chan 已提交
5181
	txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
5182 5183 5184 5185 5186 5187 5188

	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
5189 5190
	bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
	bp->tx_prod_bseq += pkt_size;
5191

5192 5193
	REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5194 5195 5196

	udelay(100);

M
Michael Chan 已提交
5197 5198 5199
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5200 5201 5202 5203 5204
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5205
	dev_kfree_skb(skb);
5206

5207
	if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
5208 5209
		goto loopback_test_done;

5210
	rx_idx = bnx2_get_hw_rx_cons(bnapi);
5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224
	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);

5225
	if (rx_hdr->l2_fhdr_status &
5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251
		(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
5252 5253 5254 5255 5256 5257 5258 5259 5260 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);
	bnx2_init_phy(bp);
	spin_unlock_bh(&bp->phy_lock);
	if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
		rc |= BNX2_MAC_LOOPBACK_FAILED;
	if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
		rc |= BNX2_PHY_LOOPBACK_FAILED;
	return rc;
}

5276 5277 5278 5279 5280 5281
#define NVRAM_SIZE 0x200
#define CRC32_RESIDUAL 0xdebb20e3

static int
bnx2_test_nvram(struct bnx2 *bp)
{
A
Al Viro 已提交
5282
	__be32 buf[NVRAM_SIZE / 4];
5283 5284 5285 5286 5287 5288 5289 5290 5291 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
	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;

5319
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5320 5321 5322 5323
		if (bp->link_up)
			return 0;
		return -ENODEV;
	}
5324
	spin_lock_bh(&bp->phy_lock);
5325 5326 5327 5328
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
5329
	spin_unlock_bh(&bp->phy_lock);
5330

5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348
	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
5349
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366
	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;
}

5367
/* Determining link for parallel detection. */
5368 5369 5370 5371 5372
static int
bnx2_5706_serdes_has_link(struct bnx2 *bp)
{
	u32 mode_ctl, an_dbg, exp;

5373 5374 5375
	if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
		return 0;

5376 5377 5378 5379 5380 5381 5382 5383 5384 5385
	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);

5386
	if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398
		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;
}

5399
static void
5400
bnx2_5706_serdes_timer(struct bnx2 *bp)
5401
{
5402 5403
	int check_link = 1;

5404
	spin_lock(&bp->phy_lock);
5405
	if (bp->serdes_an_pending) {
5406
		bp->serdes_an_pending--;
5407 5408
		check_link = 0;
	} else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5409
		u32 bmcr;
5410

5411
		bp->current_interval = bp->timer_interval;
M
Michael Chan 已提交
5412

5413
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5414

5415
		if (bmcr & BMCR_ANENABLE) {
5416
			if (bnx2_5706_serdes_has_link(bp)) {
5417 5418
				bmcr &= ~BMCR_ANENABLE;
				bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5419
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5420
				bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5421
			}
5422
		}
5423 5424
	}
	else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5425
		 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5426
		u32 phy2;
5427

5428 5429 5430 5431
		bnx2_write_phy(bp, 0x17, 0x0f01);
		bnx2_read_phy(bp, 0x15, &phy2);
		if (phy2 & 0x20) {
			u32 bmcr;
M
Michael Chan 已提交
5432

5433
			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5434
			bmcr |= BMCR_ANENABLE;
5435
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5436

5437
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5438 5439 5440
		}
	} else
		bp->current_interval = bp->timer_interval;
5441

5442
	if (check_link) {
5443 5444 5445 5446 5447 5448
		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);

5449 5450 5451 5452 5453 5454 5455 5456
		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);
5457
	}
5458 5459
	spin_unlock(&bp->phy_lock);
}
5460

5461 5462 5463
static void
bnx2_5708_serdes_timer(struct bnx2 *bp)
{
5464
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5465 5466
		return;

5467
	if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5468 5469 5470
		bp->serdes_an_pending = 0;
		return;
	}
5471

5472 5473 5474 5475 5476
	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;
5477

5478
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5479
		if (bmcr & BMCR_ANENABLE) {
5480
			bnx2_enable_forced_2g5(bp);
5481 5482
			bp->current_interval = SERDES_FORCED_TIMEOUT;
		} else {
5483
			bnx2_disable_forced_2g5(bp);
5484 5485
			bp->serdes_an_pending = 2;
			bp->current_interval = bp->timer_interval;
5486 5487
		}

5488 5489
	} else
		bp->current_interval = bp->timer_interval;
5490

5491 5492 5493
	spin_unlock(&bp->phy_lock);
}

5494 5495 5496 5497
static void
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
5498

5499 5500
	if (!netif_running(bp->dev))
		return;
5501

5502 5503
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;
5504

M
Michael Chan 已提交
5505
	bnx2_send_heart_beat(bp);
5506

5507 5508
	bp->stats_blk->stat_FwRxDrop =
		bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5509

5510 5511 5512 5513 5514
	/* 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);

5515
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5516 5517
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			bnx2_5706_serdes_timer(bp);
5518
		else
5519
			bnx2_5708_serdes_timer(bp);
5520 5521 5522
	}

bnx2_restart_timer:
M
Michael Chan 已提交
5523
	mod_timer(&bp->timer, jiffies + bp->current_interval);
5524 5525
}

5526 5527 5528 5529
static int
bnx2_request_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;
5530
	unsigned long flags;
5531 5532
	struct bnx2_irq *irq;
	int rc = 0, i;
5533

5534
	if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5535 5536 5537
		flags = 0;
	else
		flags = IRQF_SHARED;
5538 5539 5540

	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
5541
		rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5542 5543 5544 5545 5546
				 dev);
		if (rc)
			break;
		irq->requested = 1;
	}
5547 5548 5549 5550 5551 5552 5553
	return rc;
}

static void
bnx2_free_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;
5554 5555
	struct bnx2_irq *irq;
	int i;
5556

5557 5558 5559 5560 5561
	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
		if (irq->requested)
			free_irq(irq->vector, dev);
		irq->requested = 0;
5562
	}
5563
	if (bp->flags & BNX2_FLAG_USING_MSI)
5564
		pci_disable_msi(bp->pdev);
5565
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
5566 5567
		pci_disable_msix(bp->pdev);

5568
	bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5569 5570 5571 5572 5573
}

static void
bnx2_enable_msix(struct bnx2 *bp)
{
M
Michael Chan 已提交
5574 5575 5576
	int i, rc;
	struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];

5577 5578 5579 5580
	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
5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599

	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;
5600
	bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
M
Michael Chan 已提交
5601 5602
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
		bp->irq_tbl[i].vector = msix_ent[i].vector;
5603 5604 5605 5606 5607 5608 5609
}

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);
5610 5611 5612
	bp->irq_nvecs = 1;
	bp->irq_tbl[0].vector = bp->pdev->irq;

5613
	if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5614
		bnx2_enable_msix(bp);
5615

5616 5617
	if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
	    !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5618
		if (pci_enable_msi(bp->pdev) == 0) {
5619
			bp->flags |= BNX2_FLAG_USING_MSI;
5620
			if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5621
				bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5622 5623 5624
				bp->irq_tbl[0].handler = bnx2_msi_1shot;
			} else
				bp->irq_tbl[0].handler = bnx2_msi;
5625 5626

			bp->irq_tbl[0].vector = bp->pdev->irq;
5627 5628
		}
	}
5629 5630
}

5631 5632 5633 5634
/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
5635
	struct bnx2 *bp = netdev_priv(dev);
5636 5637
	int rc;

5638 5639
	netif_carrier_off(dev);

5640
	bnx2_set_power_state(bp, PCI_D0);
5641 5642 5643 5644 5645 5646
	bnx2_disable_int(bp);

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

5647
	bnx2_setup_int_mode(bp, disable_msi);
5648
	bnx2_napi_enable(bp);
5649 5650
	rc = bnx2_request_irq(bp);

5651
	if (rc) {
5652
		bnx2_napi_disable(bp);
5653 5654 5655 5656 5657 5658 5659
		bnx2_free_mem(bp);
		return rc;
	}

	rc = bnx2_init_nic(bp);

	if (rc) {
5660
		bnx2_napi_disable(bp);
5661
		bnx2_free_irq(bp);
5662 5663 5664 5665
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
		return rc;
	}
5666

M
Michael Chan 已提交
5667
	mod_timer(&bp->timer, jiffies + bp->current_interval);
5668 5669 5670 5671 5672

	atomic_set(&bp->intr_sem, 0);

	bnx2_enable_int(bp);

5673
	if (bp->flags & BNX2_FLAG_USING_MSI) {
5674 5675 5676 5677 5678 5679 5680 5681 5682 5683 5684
		/* 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);
5685
			bnx2_free_irq(bp);
5686

5687 5688
			bnx2_setup_int_mode(bp, 1);

5689 5690
			rc = bnx2_init_nic(bp);

5691 5692 5693
			if (!rc)
				rc = bnx2_request_irq(bp);

5694
			if (rc) {
5695
				bnx2_napi_disable(bp);
5696 5697 5698 5699 5700 5701 5702 5703
				bnx2_free_skbs(bp);
				bnx2_free_mem(bp);
				del_timer_sync(&bp->timer);
				return rc;
			}
			bnx2_enable_int(bp);
		}
	}
5704
	if (bp->flags & BNX2_FLAG_USING_MSI)
5705
		printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5706
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
M
Michael Chan 已提交
5707
		printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5708 5709 5710 5711 5712 5713 5714

	netif_start_queue(dev);

	return 0;
}

static void
D
David Howells 已提交
5715
bnx2_reset_task(struct work_struct *work)
5716
{
D
David Howells 已提交
5717
	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5718

5719 5720 5721 5722
	if (!netif_running(bp->dev))
		return;

	bp->in_reset_task = 1;
5723 5724 5725 5726 5727 5728
	bnx2_netif_stop(bp);

	bnx2_init_nic(bp);

	atomic_set(&bp->intr_sem, 1);
	bnx2_netif_start(bp);
5729
	bp->in_reset_task = 0;
5730 5731 5732 5733 5734
}

static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
5735
	struct bnx2 *bp = netdev_priv(dev);
5736 5737 5738 5739 5740 5741 5742 5743 5744 5745

	/* 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
5746
	struct bnx2 *bp = netdev_priv(dev);
5747 5748 5749 5750 5751 5752 5753 5754 5755 5756

	bnx2_netif_stop(bp);

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

	bnx2_netif_start(bp);
}
#endif

H
Herbert Xu 已提交
5757
/* Called with netif_tx_lock.
M
Michael Chan 已提交
5758 5759
 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
 * netif_wake_queue().
5760 5761 5762 5763
 */
static int
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
5764
	struct bnx2 *bp = netdev_priv(dev);
5765 5766 5767 5768 5769 5770
	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
5771
	struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
5772

5773 5774
	if (unlikely(bnx2_tx_avail(bp, bnapi) <
	    (skb_shinfo(skb)->nr_frags + 1))) {
5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785
		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;
5786
	if (skb->ip_summed == CHECKSUM_PARTIAL) {
5787 5788 5789
		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
	}

A
Al Viro 已提交
5790
	if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5791 5792 5793
		vlan_tag_flags |=
			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
	}
5794
	if ((mss = skb_shinfo(skb)->gso_size)) {
5795
		u32 tcp_opt_len, ip_tcp_len;
5796
		struct iphdr *iph;
5797 5798 5799

		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

5800 5801 5802 5803 5804
		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;
5805

5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823
			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;
			}
5824

5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836 5837
			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;
			}
5838
		}
5839
	} else
5840 5841 5842
		mss = 0;

	mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5843

5844 5845 5846 5847 5848 5849 5850 5851 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
	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;

5881 5882
	REG_WR16(bp, bp->tx_bidx_addr, prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5883 5884 5885 5886 5887 5888

	mmiowb();

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

5889
	if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
M
Michael Chan 已提交
5890
		netif_stop_queue(dev);
5891
		if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
M
Michael Chan 已提交
5892
			netif_wake_queue(dev);
5893 5894 5895 5896 5897 5898 5899 5900 5901
	}

	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
5902
	struct bnx2 *bp = netdev_priv(dev);
5903 5904
	u32 reset_code;

5905 5906 5907 5908 5909 5910 5911
	/* 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);

5912
	bnx2_disable_int_sync(bp);
5913
	bnx2_napi_disable(bp);
5914
	del_timer_sync(&bp->timer);
5915
	if (bp->flags & BNX2_FLAG_NO_WOL)
5916
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
5917
	else if (bp->wol)
5918 5919 5920 5921
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
	bnx2_reset_chip(bp, reset_code);
5922
	bnx2_free_irq(bp);
5923 5924 5925 5926
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
5927
	bnx2_set_power_state(bp, PCI_D3hot);
5928 5929 5930 5931 5932 5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946
	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
5947
	struct bnx2 *bp = netdev_priv(dev);
5948 5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968 5969
	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);

5970
	net_stats->multicast =
5971 5972
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);

5973
	net_stats->collisions =
5974 5975
		(unsigned long) stats_blk->stat_EtherStatsCollisions;

5976
	net_stats->rx_length_errors =
5977 5978 5979
		(unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
		stats_blk->stat_EtherStatsOverrsizePkts);

5980
	net_stats->rx_over_errors =
5981 5982
		(unsigned long) stats_blk->stat_IfInMBUFDiscards;

5983
	net_stats->rx_frame_errors =
5984 5985
		(unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;

5986
	net_stats->rx_crc_errors =
5987 5988 5989 5990 5991 5992 5993 5994 5995 5996
		(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
5997 5998
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
5999 6000 6001 6002 6003 6004 6005 6006
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
			(unsigned long)
			stats_blk->stat_Dot3StatsCarrierSenseErrors;
	}

	net_stats->tx_errors =
6007
    		(unsigned long)
6008 6009 6010 6011 6012
		stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
		+
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
6013 6014 6015 6016
	net_stats->rx_missed_errors =
		(unsigned long) (stats_blk->stat_IfInMBUFDiscards +
		stats_blk->stat_FwRxDrop);

6017 6018 6019 6020 6021 6022 6023 6024
	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
6025
	struct bnx2 *bp = netdev_priv(dev);
6026
	int support_serdes = 0, support_copper = 0;
6027 6028

	cmd->supported = SUPPORTED_Autoneg;
6029
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6030 6031 6032 6033 6034 6035 6036 6037
		support_serdes = 1;
		support_copper = 1;
	} else if (bp->phy_port == PORT_FIBRE)
		support_serdes = 1;
	else
		support_copper = 1;

	if (support_serdes) {
6038 6039
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;
6040
		if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6041
			cmd->supported |= SUPPORTED_2500baseX_Full;
6042 6043

	}
6044
	if (support_copper) {
6045 6046 6047 6048 6049 6050 6051 6052 6053
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

	}

6054 6055
	spin_lock_bh(&bp->phy_lock);
	cmd->port = bp->phy_port;
6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067 6068 6069 6070 6071 6072
	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;
	}
6073
	spin_unlock_bh(&bp->phy_lock);
6074 6075 6076 6077 6078 6079

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

	return 0;
}
6080

6081 6082 6083
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
6084
	struct bnx2 *bp = netdev_priv(dev);
6085 6086 6087 6088
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;
6089 6090 6091 6092 6093 6094 6095
	int err = -EINVAL;

	spin_lock_bh(&bp->phy_lock);

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

6096 6097
	if (cmd->port != bp->phy_port &&
	    !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6098
		goto err_out_unlock;
6099 6100 6101 6102

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

6103
		cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6104 6105 6106 6107 6108 6109 6110

		/* 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)) {

6111 6112
			if (cmd->port == PORT_FIBRE)
				goto err_out_unlock;
6113 6114 6115

			advertising = cmd->advertising;

6116
		} else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6117
			if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6118 6119 6120
			    (cmd->port == PORT_TP))
				goto err_out_unlock;
		} else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6121
			advertising = cmd->advertising;
6122 6123
		else if (cmd->advertising == ADVERTISED_1000baseT_Half)
			goto err_out_unlock;
6124
		else {
6125
			if (cmd->port == PORT_FIBRE)
6126
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
6127
			else
6128 6129 6130 6131 6132
				advertising = ETHTOOL_ALL_COPPER_SPEED;
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
6133
		if (cmd->port == PORT_FIBRE) {
M
Michael Chan 已提交
6134 6135 6136
			if ((cmd->speed != SPEED_1000 &&
			     cmd->speed != SPEED_2500) ||
			    (cmd->duplex != DUPLEX_FULL))
6137
				goto err_out_unlock;
M
Michael Chan 已提交
6138 6139

			if (cmd->speed == SPEED_2500 &&
6140
			    !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6141
				goto err_out_unlock;
6142
		}
6143 6144 6145
		else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
			goto err_out_unlock;

6146 6147 6148 6149 6150 6151 6152 6153 6154 6155 6156
		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;

6157
	err = bnx2_setup_phy(bp, cmd->port);
6158

6159
err_out_unlock:
6160
	spin_unlock_bh(&bp->phy_lock);
6161

6162
	return err;
6163 6164 6165 6166 6167
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
6168
	struct bnx2 *bp = netdev_priv(dev);
6169 6170 6171 6172

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
6173
	strcpy(info->fw_version, bp->fw_version);
6174 6175
}

M
Michael Chan 已提交
6176 6177 6178 6179 6180 6181 6182 6183 6184 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
#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;
		}
	}
}

6234 6235 6236
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
6237
	struct bnx2 *bp = netdev_priv(dev);
6238

6239
	if (bp->flags & BNX2_FLAG_NO_WOL) {
6240 6241 6242 6243 6244 6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255
		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
6256
	struct bnx2 *bp = netdev_priv(dev);
6257 6258 6259 6260 6261

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

	if (wol->wolopts & WAKE_MAGIC) {
6262
		if (bp->flags & BNX2_FLAG_NO_WOL)
6263 6264 6265 6266 6267 6268 6269 6270 6271 6272 6273 6274 6275
			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
6276
	struct bnx2 *bp = netdev_priv(dev);
6277 6278 6279 6280 6281 6282
	u32 bmcr;

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

6283
	spin_lock_bh(&bp->phy_lock);
6284

6285
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6286 6287 6288 6289 6290 6291 6292
		int rc;

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

6293
	/* Force a link down visible on the other side */
6294
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6295
		bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6296
		spin_unlock_bh(&bp->phy_lock);
6297 6298 6299

		msleep(20);

6300
		spin_lock_bh(&bp->phy_lock);
6301 6302 6303 6304

		bp->current_interval = SERDES_AN_TIMEOUT;
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
6305 6306
	}

6307
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6308
	bmcr &= ~BMCR_LOOPBACK;
6309
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6310

6311
	spin_unlock_bh(&bp->phy_lock);
6312 6313 6314 6315 6316 6317 6318

	return 0;
}

static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
6319
	struct bnx2 *bp = netdev_priv(dev);
6320

M
Michael Chan 已提交
6321
	if (bp->flash_info == NULL)
6322 6323
		return 0;

M
Michael Chan 已提交
6324
	return (int) bp->flash_size;
6325 6326 6327 6328 6329 6330
}

static int
bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
6331
	struct bnx2 *bp = netdev_priv(dev);
6332 6333
	int rc;

6334
	/* parameters already validated in ethtool_get_eeprom */
6335 6336 6337 6338 6339 6340 6341 6342 6343 6344

	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
6345
	struct bnx2 *bp = netdev_priv(dev);
6346 6347
	int rc;

6348
	/* parameters already validated in ethtool_set_eeprom */
6349 6350 6351 6352 6353 6354 6355 6356 6357

	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
6358
	struct bnx2 *bp = netdev_priv(dev);
6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379

	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
6380
	struct bnx2 *bp = netdev_priv(dev);
6381 6382 6383 6384

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

6385
	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399 6400 6401 6402 6403 6404 6405 6406 6407 6408
	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;
6409 6410 6411 6412
	if (CHIP_NUM(bp) == CHIP_NUM_5708) {
		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
			bp->stats_ticks = USEC_PER_SEC;
	}
6413 6414 6415
	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;
6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428

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

	return 0;
}

static void
bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
{
M
Michael Chan 已提交
6429
	struct bnx2 *bp = netdev_priv(dev);
6430

6431
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6432
	ering->rx_mini_max_pending = 0;
6433
	ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6434 6435 6436

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
6437
	ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6438 6439 6440 6441 6442 6443

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

static int
6444
bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6445
{
6446 6447 6448 6449 6450 6451 6452
	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);
	}

6453 6454
	bnx2_set_rx_ring_size(bp, rx);
	bp->tx_ring_size = tx;
6455 6456

	if (netif_running(bp->dev)) {
6457 6458 6459 6460 6461
		int rc;

		rc = bnx2_alloc_mem(bp);
		if (rc)
			return rc;
6462 6463 6464 6465 6466 6467
		bnx2_init_nic(bp);
		bnx2_netif_start(bp);
	}
	return 0;
}

6468 6469 6470 6471 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 6483
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;
}

6484 6485 6486
static void
bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
6487
	struct bnx2 *bp = netdev_priv(dev);
6488 6489 6490 6491 6492 6493 6494 6495 6496

	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
6497
	struct bnx2 *bp = netdev_priv(dev);
6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511

	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;
	}

6512
	spin_lock_bh(&bp->phy_lock);
6513

6514
	bnx2_setup_phy(bp, bp->phy_port);
6515

6516
	spin_unlock_bh(&bp->phy_lock);
6517 6518 6519 6520 6521 6522 6523

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
6524
	struct bnx2 *bp = netdev_priv(dev);
6525 6526 6527 6528 6529 6530 6531

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
6532
	struct bnx2 *bp = netdev_priv(dev);
6533 6534 6535 6536 6537

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
6538 6539 6540
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
6541 6542 6543
	struct bnx2 *bp = netdev_priv(dev);

	if (data) {
M
Michael Chan 已提交
6544
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6545 6546 6547 6548 6549
		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
6550 6551 6552
	return 0;
}

M
Michael Chan 已提交
6553
#define BNX2_NUM_STATS 46
6554

6555
static struct {
6556 6557 6558 6559 6560 6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602
	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
6603
	{ "rx_fw_discards" },
6604 6605 6606 6607
};

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

6608
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619
    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),
6620 6621 6622 6623 6624 6625 6626 6627 6628 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
    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
6654
    STATS_OFFSET32(stat_FwRxDrop),
6655 6656 6657 6658
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
6659
 */
6660
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6661 6662 6663 6664
	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
6665
	4,4,4,4,4,4,
6666 6667
};

M
Michael Chan 已提交
6668 6669 6670 6671 6672
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
6673
	4,4,4,4,4,4,
M
Michael Chan 已提交
6674 6675
};

6676 6677
#define BNX2_NUM_TESTS 6

6678
static struct {
6679 6680 6681 6682 6683 6684 6685 6686 6687 6688 6689
	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
6690
bnx2_get_sset_count(struct net_device *dev, int sset)
6691
{
6692 6693 6694 6695 6696 6697 6698 6699
	switch (sset) {
	case ETH_SS_TEST:
		return BNX2_NUM_TESTS;
	case ETH_SS_STATS:
		return BNX2_NUM_STATS;
	default:
		return -EOPNOTSUPP;
	}
6700 6701 6702 6703 6704
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
6705
	struct bnx2 *bp = netdev_priv(dev);
6706 6707 6708

	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
M
Michael Chan 已提交
6709 6710
		int i;

6711 6712 6713 6714 6715 6716 6717 6718 6719 6720 6721 6722
		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
6723
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734
			etest->flags |= ETH_TEST_FL_FAILED;

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

		/* wait for link up */
M
Michael Chan 已提交
6735 6736 6737 6738 6739
		for (i = 0; i < 7; i++) {
			if (bp->link_up)
				break;
			msleep_interruptible(1000);
		}
6740 6741 6742 6743 6744 6745 6746 6747 6748 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
	}

	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
6777
	struct bnx2 *bp = netdev_priv(dev);
6778 6779
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
6780
	u8 *stats_len_arr = NULL;
6781 6782 6783 6784 6785 6786

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

M
Michael Chan 已提交
6787 6788 6789 6790
	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))
6791
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
6792 6793
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
6794 6795 6796 6797 6798 6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816

	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
6817
	struct bnx2 *bp = netdev_priv(dev);
6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847
	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;
}

6848 6849 6850 6851 6852 6853
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)
6854
		return (ethtool_op_set_tx_ipv6_csum(dev, data));
6855 6856 6857 6858
	else
		return (ethtool_op_set_tx_csum(dev, data));
}

6859
static const struct ethtool_ops bnx2_ethtool_ops = {
6860 6861 6862
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
6863 6864
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
6865 6866 6867 6868 6869 6870 6871 6872 6873 6874 6875 6876 6877 6878 6879
	.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,
6880
	.set_tx_csum		= bnx2_set_tx_csum,
6881
	.set_sg			= ethtool_op_set_sg,
M
Michael Chan 已提交
6882
	.set_tso		= bnx2_set_tso,
6883 6884 6885 6886
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
6887
	.get_sset_count		= bnx2_get_sset_count,
6888 6889 6890 6891 6892 6893
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
6894
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
6895
	struct bnx2 *bp = netdev_priv(dev);
6896 6897 6898 6899 6900 6901 6902 6903 6904 6905
	int err;

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

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

6906
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6907 6908
			return -EOPNOTSUPP;

6909 6910 6911
		if (!netif_running(dev))
			return -EAGAIN;

6912
		spin_lock_bh(&bp->phy_lock);
6913
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6914
		spin_unlock_bh(&bp->phy_lock);
6915 6916 6917 6918 6919 6920 6921 6922 6923 6924

		data->val_out = mii_regval;

		return err;
	}

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

6925
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6926 6927
			return -EOPNOTSUPP;

6928 6929 6930
		if (!netif_running(dev))
			return -EAGAIN;

6931
		spin_lock_bh(&bp->phy_lock);
6932
		err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6933
		spin_unlock_bh(&bp->phy_lock);
6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948

		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
6949
	struct bnx2 *bp = netdev_priv(dev);
6950

6951 6952 6953
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964
	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
6965
	struct bnx2 *bp = netdev_priv(dev);
6966 6967 6968 6969 6970 6971

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

	dev->mtu = new_mtu;
6972
	return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
6973 6974 6975 6976 6977 6978
}

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
static void
poll_bnx2(struct net_device *dev)
{
M
Michael Chan 已提交
6979
	struct bnx2 *bp = netdev_priv(dev);
6980 6981

	disable_irq(bp->pdev->irq);
6982
	bnx2_interrupt(bp->pdev->irq, dev);
6983 6984 6985 6986
	enable_irq(bp->pdev->irq);
}
#endif

6987 6988 6989 6990 6991 6992 6993 6994 6995 6996
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) {
6997
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010
		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:
7011
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7012 7013 7014 7015 7016 7017 7018
			return;
		}
	} else {
		switch (strap) {
		case 0x1:
		case 0x2:
		case 0x4:
7019
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7020 7021 7022 7023 7024
			return;
		}
	}
}

7025 7026 7027 7028 7029 7030 7031 7032 7033
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;

7034
		bp->flags |= BNX2_FLAG_PCIX;
7035 7036 7037 7038 7039 7040 7041 7042 7043 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

		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)
7073
		bp->flags |= BNX2_FLAG_PCI_32BIT;
7074 7075 7076

}

7077 7078 7079 7080 7081
static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
7082
	int rc, i, j;
7083
	u32 reg;
7084
	u64 dma_mask, persist_dma_mask;
7085 7086

	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
7087
	bp = netdev_priv(dev);
7088 7089 7090 7091 7092 7093 7094

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

	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
7095
		dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7096 7097 7098 7099
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7100
		dev_err(&pdev->dev,
7101
			"Cannot find PCI device base address, aborting.\n");
7102 7103 7104 7105 7106 7107
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
7108
		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7109 7110 7111 7112 7113 7114 7115
		goto err_out_disable;
	}

	pci_set_master(pdev);

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
7116
		dev_err(&pdev->dev,
7117
			"Cannot find power management capability, aborting.\n");
7118 7119 7120 7121 7122 7123 7124 7125
		rc = -EIO;
		goto err_out_release;
	}

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

	spin_lock_init(&bp->phy_lock);
M
Michael Chan 已提交
7126
	spin_lock_init(&bp->indirect_lock);
D
David Howells 已提交
7127
	INIT_WORK(&bp->reset_task, bnx2_reset_task);
7128 7129

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
M
Michael Chan 已提交
7130
	mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
7131 7132 7133 7134 7135 7136
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

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

	if (!bp->regview) {
7137
		dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7138 7139 7140 7141 7142 7143 7144 7145 7146 7147 7148 7149
		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);

7150
	bnx2_set_power_state(bp, PCI_D0);
7151 7152 7153

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

7154 7155 7156 7157 7158 7159 7160
	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;
		}
7161
		bp->flags |= BNX2_FLAG_PCIE;
7162
		if (CHIP_REV(bp) == CHIP_REV_Ax)
7163
			bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7164
	} else {
M
Michael Chan 已提交
7165 7166 7167 7168 7169 7170 7171 7172 7173
		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;
		}
	}

7174 7175
	if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7176
			bp->flags |= BNX2_FLAG_MSIX_CAP;
7177 7178
	}

7179 7180
	if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7181
			bp->flags |= BNX2_FLAG_MSI_CAP;
7182 7183
	}

7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 7195 7196 7197 7198 7199 7200 7201 7202 7203
	/* 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;
	}

7204
	if (!(bp->flags & BNX2_FLAG_PCIE))
7205
		bnx2_get_pci_speed(bp);
7206 7207 7208 7209 7210 7211 7212 7213

	/* 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) &&
7214
		!(bp->flags & BNX2_FLAG_PCIX)) {
7215

7216
		dev_err(&pdev->dev,
7217
			"5706 A1 can only be used in a PCIX bus, aborting.\n");
7218 7219 7220 7221 7222
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

7223
	reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7224 7225

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7226 7227 7228
	    BNX2_SHM_HDR_SIGNATURE_SIG) {
		u32 off = PCI_FUNC(pdev->devfn) << 2;

7229
		bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7230
	} else
7231 7232
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

7233 7234 7235
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
7236
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7237 7238 7239

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7240
		dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7241 7242 7243 7244
		rc = -ENODEV;
		goto err_out_unmap;
	}

7245
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7246 7247 7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258
	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++] = '.';
	}
7259
	reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
M
Michael Chan 已提交
7260 7261 7262 7263
	if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
		bp->wol = 1;

	if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7264
		bp->flags |= BNX2_FLAG_ASF_ENABLE;
7265 7266

		for (i = 0; i < 30; i++) {
7267
			reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7268 7269 7270 7271 7272
			if (reg & BNX2_CONDITION_MFW_RUN_MASK)
				break;
			msleep(10);
		}
	}
7273
	reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7274 7275 7276 7277
	reg &= BNX2_CONDITION_MFW_RUN_MASK;
	if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
	    reg != BNX2_CONDITION_MFW_RUN_NONE) {
		int i;
7278
		u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7279 7280 7281

		bp->fw_version[j++] = ' ';
		for (i = 0; i < 3; i++) {
7282
			reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7283 7284 7285 7286 7287
			reg = swab32(reg);
			memcpy(&bp->fw_version[j], &reg, 4);
			j += 4;
		}
	}
7288

7289
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7290 7291 7292
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

7293
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7294 7295 7296 7297 7298
	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;

7299 7300
	bp->rx_offset = sizeof(struct l2_fhdr) + 2;

7301
	bp->tx_ring_size = MAX_TX_DESC_CNT;
7302
	bnx2_set_rx_ring_size(bp, 255);
7303 7304 7305 7306 7307 7308 7309

	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;
7310

7311 7312 7313 7314 7315
	bp->rx_quick_cons_trip_int = 6;
	bp->rx_quick_cons_trip = 6;
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

7316
	bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7317 7318

	bp->timer_interval =  HZ;
M
Michael Chan 已提交
7319
	bp->current_interval =  HZ;
7320

M
Michael Chan 已提交
7321 7322
	bp->phy_addr = 1;

7323
	/* Disable WOL support if we are running on a SERDES chip. */
7324 7325 7326
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_get_5709_media(bp);
	else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7327
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
M
Michael Chan 已提交
7328

7329
	bp->phy_port = PORT_TP;
7330
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7331
		bp->phy_port = PORT_FIBRE;
7332
		reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
7333
		if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7334
			bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
7335 7336
			bp->wol = 0;
		}
7337 7338 7339 7340 7341 7342 7343 7344 7345
		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
7346 7347
			bp->phy_addr = 2;
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7348
				bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
M
Michael Chan 已提交
7349
		}
7350 7351
		bnx2_init_remote_phy(bp);

7352 7353
	} else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
		   CHIP_NUM(bp) == CHIP_NUM_5708)
7354
		bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7355 7356 7357
	else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
		 (CHIP_REV(bp) == CHIP_REV_Ax ||
		  CHIP_REV(bp) == CHIP_REV_Bx))
7358
		bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7359

7360 7361
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
M
Michael Chan 已提交
7362
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7363
		bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
7364 7365
		bp->wol = 0;
	}
M
Michael Chan 已提交
7366

7367 7368 7369 7370 7371 7372 7373 7374 7375 7376 7377 7378
	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;
	}

7379 7380 7381 7382 7383 7384 7385 7386
	/* 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
7387
	 * prefers to locally disable MSI rather than globally disabling it.
7388 7389 7390 7391 7392 7393 7394 7395
	 */
	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))) {

7396 7397
			if (amd_8132->revision >= 0x10 &&
			    amd_8132->revision <= 0x13) {
7398 7399 7400 7401 7402 7403 7404
				disable_msi = 1;
				pci_dev_put(amd_8132);
				break;
			}
		}
	}

7405
	bnx2_set_default_link(bp);
7406 7407
	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
7408 7409 7410 7411 7412
	init_timer(&bp->timer);
	bp->timer.expires = RUN_AT(bp->timer_interval);
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

7413 7414 7415 7416 7417
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
7418
		bp->regview = NULL;
7419 7420 7421 7422 7423 7424 7425 7426 7427 7428 7429 7430 7431
	}

err_out_release:
	pci_release_regions(pdev);

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

err_out:
	return rc;
}

7432 7433 7434 7435 7436
static char * __devinit
bnx2_bus_string(struct bnx2 *bp, char *str)
{
	char *s = str;

7437
	if (bp->flags & BNX2_FLAG_PCIE) {
7438 7439 7440
		s += sprintf(s, "PCI Express");
	} else {
		s += sprintf(s, "PCI");
7441
		if (bp->flags & BNX2_FLAG_PCIX)
7442
			s += sprintf(s, "-X");
7443
		if (bp->flags & BNX2_FLAG_PCI_32BIT)
7444 7445 7446 7447 7448 7449 7450 7451
			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
7452
static void __devinit
7453 7454
bnx2_init_napi(struct bnx2 *bp)
{
7455 7456
	int i;
	struct bnx2_napi *bnapi;
7457

7458 7459 7460 7461 7462
	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
7463 7464
	netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
		       64);
7465 7466
}

7467 7468 7469 7470 7471 7472
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;
7473
	int rc;
7474
	char str[40];
7475
	DECLARE_MAC_BUF(mac);
7476 7477 7478 7479 7480 7481 7482 7483 7484 7485 7486 7487 7488 7489 7490 7491 7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506

	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
7507
	bp = netdev_priv(dev);
7508
	bnx2_init_napi(bp);
7509 7510 7511 7512 7513

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

7514 7515 7516 7517 7518 7519
	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;

7520
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7521
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
7522 7523
		dev->features |= NETIF_F_IPV6_CSUM;

7524 7525 7526 7527
#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;
7528 7529
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		dev->features |= NETIF_F_TSO6;
7530

7531
	if ((rc = register_netdev(dev))) {
7532
		dev_err(&pdev->dev, "Cannot register net device\n");
7533 7534 7535 7536 7537 7538 7539 7540 7541
		if (bp->regview)
			iounmap(bp->regview);
		pci_release_regions(pdev);
		pci_disable_device(pdev);
		pci_set_drvdata(pdev, NULL);
		free_netdev(dev);
		return rc;
	}

7542
	printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7543
		"IRQ %d, node addr %s\n",
7544 7545 7546 7547
		dev->name,
		bp->name,
		((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		((CHIP_ID(bp) & 0x0ff0) >> 4),
7548
		bnx2_bus_string(bp, str),
7549
		dev->base_addr,
7550
		bp->pdev->irq, print_mac(mac, dev->dev_addr));
7551 7552 7553 7554 7555 7556 7557 7558

	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
7559
	struct bnx2 *bp = netdev_priv(dev);
7560

7561 7562
	flush_scheduled_work();

7563 7564 7565 7566 7567 7568 7569 7570 7571 7572 7573 7574
	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
7575
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7576 7577
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
7578
	struct bnx2 *bp = netdev_priv(dev);
7579 7580
	u32 reset_code;

7581 7582 7583 7584 7585
	/* 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);
7586 7587 7588
	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
7589
	flush_scheduled_work();
7590 7591 7592
	bnx2_netif_stop(bp);
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
7593
	if (bp->flags & BNX2_FLAG_NO_WOL)
7594
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
7595
	else if (bp->wol)
7596 7597 7598 7599 7600
		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);
7601
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7602 7603 7604 7605 7606 7607 7608
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
7609
	struct bnx2 *bp = netdev_priv(dev);
7610

7611
	pci_restore_state(pdev);
7612 7613 7614
	if (!netif_running(dev))
		return 0;

7615
	bnx2_set_power_state(bp, PCI_D0);
7616 7617 7618 7619 7620 7621 7622
	netif_device_attach(dev);
	bnx2_init_nic(bp);
	bnx2_netif_start(bp);
	return 0;
}

static struct pci_driver bnx2_pci_driver = {
7623 7624 7625 7626 7627 7628
	.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,
7629 7630 7631 7632
};

static int __init bnx2_init(void)
{
7633
	return pci_register_driver(&bnx2_pci_driver);
7634 7635 7636 7637 7638 7639 7640 7641 7642 7643 7644 7645
}

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

module_init(bnx2_init);
module_exit(bnx2_cleanup);