bnx2.c 206.7 KB
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/* bnx2.c: Broadcom NX2 network driver.
 *
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 * Copyright (c) 2004-2010 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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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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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>
#include <linux/if_vlan.h>
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#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
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#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/firmware.h>
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#include <linux/log2.h>
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#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
#define BCM_CNIC 1
#include "cnic_if.h"
#endif
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#include "bnx2.h"
#include "bnx2_fw.h"
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#define DRV_MODULE_NAME		"bnx2"
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#define DRV_MODULE_VERSION	"2.0.15"
#define DRV_MODULE_RELDATE	"May 4, 2010"
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#define FW_MIPS_FILE_06		"bnx2/bnx2-mips-06-5.0.0.j6.fw"
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#define FW_RV2P_FILE_06		"bnx2/bnx2-rv2p-06-5.0.0.j3.fw"
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#define FW_MIPS_FILE_09		"bnx2/bnx2-mips-09-5.0.0.j15.fw"
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#define FW_RV2P_FILE_09_Ax	"bnx2/bnx2-rv2p-09ax-5.0.0.j10.fw"
#define FW_RV2P_FILE_09		"bnx2/bnx2-rv2p-09-5.0.0.j10.fw"
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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 BCM5706/5708/5709/5716 Driver");
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MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
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MODULE_FIRMWARE(FW_MIPS_FILE_06);
MODULE_FIRMWARE(FW_RV2P_FILE_06);
MODULE_FIRMWARE(FW_MIPS_FILE_09);
MODULE_FIRMWARE(FW_RV2P_FILE_09);
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MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
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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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	BCM5716,
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	BCM5716S,
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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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	{ "Broadcom NetXtreme II BCM5716 1000Base-T" },
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	{ "Broadcom NetXtreme II BCM5716 1000Base-SX" },
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	};

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static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
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	{ 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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	{ PCI_VENDOR_ID_BROADCOM, 0x163b,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
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	{ PCI_VENDOR_ID_BROADCOM, 0x163c,
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	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
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	{ 0, }
};

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static const struct flash_spec flash_table[] =
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{
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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 const struct flash_spec flash_5709 = {
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	.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 void bnx2_init_napi(struct bnx2 *bp);
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static void bnx2_del_napi(struct bnx2 *bp);
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static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
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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 = txr->tx_prod - txr->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++) {
			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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}

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#ifdef BCM_CNIC
static int
bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
{
	struct bnx2 *bp = netdev_priv(dev);
	struct drv_ctl_io *io = &info->data.io;

	switch (info->cmd) {
	case DRV_CTL_IO_WR_CMD:
		bnx2_reg_wr_ind(bp, io->offset, io->data);
		break;
	case DRV_CTL_IO_RD_CMD:
		io->data = bnx2_reg_rd_ind(bp, io->offset);
		break;
	case DRV_CTL_CTX_WR_CMD:
		bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
{
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
	int sb_id;

	if (bp->flags & BNX2_FLAG_USING_MSIX) {
		cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
		bnapi->cnic_present = 0;
		sb_id = bp->irq_nvecs;
		cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
	} else {
		cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
		bnapi->cnic_tag = bnapi->last_status_idx;
		bnapi->cnic_present = 1;
		sb_id = 0;
		cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
	}

	cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
	cp->irq_arr[0].status_blk = (void *)
		((unsigned long) bnapi->status_blk.msi +
		(BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
	cp->irq_arr[0].status_blk_num = sb_id;
	cp->num_irq = 1;
}

static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
			      void *data)
{
	struct bnx2 *bp = netdev_priv(dev);
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

	if (ops == NULL)
		return -EINVAL;

	if (cp->drv_state & CNIC_DRV_STATE_REGD)
		return -EBUSY;

	bp->cnic_data = data;
	rcu_assign_pointer(bp->cnic_ops, ops);

	cp->num_irq = 0;
	cp->drv_state = CNIC_DRV_STATE_REGD;

	bnx2_setup_cnic_irq_info(bp);

	return 0;
}

static int bnx2_unregister_cnic(struct net_device *dev)
{
	struct bnx2 *bp = netdev_priv(dev);
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

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	mutex_lock(&bp->cnic_lock);
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	cp->drv_state = 0;
	bnapi->cnic_present = 0;
	rcu_assign_pointer(bp->cnic_ops, NULL);
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	mutex_unlock(&bp->cnic_lock);
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	synchronize_rcu();
	return 0;
}

struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
{
	struct bnx2 *bp = netdev_priv(dev);
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

	cp->drv_owner = THIS_MODULE;
	cp->chip_id = bp->chip_id;
	cp->pdev = bp->pdev;
	cp->io_base = bp->regview;
	cp->drv_ctl = bnx2_drv_ctl;
	cp->drv_register_cnic = bnx2_register_cnic;
	cp->drv_unregister_cnic = bnx2_unregister_cnic;

	return cp;
}
EXPORT_SYMBOL(bnx2_cnic_probe);

static void
bnx2_cnic_stop(struct bnx2 *bp)
{
	struct cnic_ops *c_ops;
	struct cnic_ctl_info info;

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	mutex_lock(&bp->cnic_lock);
	c_ops = bp->cnic_ops;
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	if (c_ops) {
		info.cmd = CNIC_CTL_STOP_CMD;
		c_ops->cnic_ctl(bp->cnic_data, &info);
	}
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	mutex_unlock(&bp->cnic_lock);
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}

static void
bnx2_cnic_start(struct bnx2 *bp)
{
	struct cnic_ops *c_ops;
	struct cnic_ctl_info info;

453 454
	mutex_lock(&bp->cnic_lock);
	c_ops = bp->cnic_ops;
455 456 457 458 459 460 461 462 463
	if (c_ops) {
		if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
			struct bnx2_napi *bnapi = &bp->bnx2_napi[0];

			bnapi->cnic_tag = bnapi->last_status_idx;
		}
		info.cmd = CNIC_CTL_START_CMD;
		c_ops->cnic_ctl(bp->cnic_data, &info);
	}
464
	mutex_unlock(&bp->cnic_lock);
465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480
}

#else

static void
bnx2_cnic_stop(struct bnx2 *bp)
{
}

static void
bnx2_cnic_start(struct bnx2 *bp)
{
}

#endif

481 482 483 484 485 486
static int
bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
{
	u32 val1;
	int i, ret;

487
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524
		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;
	}

525
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543
		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;

544
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
545 546 547 548 549 550 551 552 553 554 555 556 557
		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);
558

559 560 561 562 563 564 565 566 567 568 569 570 571 572 573
	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;

574
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
575 576 577 578 579 580 581 582 583 584 585 586 587 588 589
		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)
{
590 591 592 593 594 595 596 597
	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);
	}
598 599 600 601 602 603
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
}

static void
bnx2_enable_int(struct bnx2 *bp)
{
604 605
	int i;
	struct bnx2_napi *bnapi;
606

607 608
	for (i = 0; i < bp->irq_nvecs; i++) {
		bnapi = &bp->bnx2_napi[i];
609

610 611 612 613
		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);
614

615 616 617 618
		REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
		       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
		       bnapi->last_status_idx);
	}
M
Michael Chan 已提交
619
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
620 621 622 623 624
}

static void
bnx2_disable_int_sync(struct bnx2 *bp)
{
625 626
	int i;

627
	atomic_inc(&bp->intr_sem);
628 629 630
	if (!netif_running(bp->dev))
		return;

631
	bnx2_disable_int(bp);
632 633
	for (i = 0; i < bp->irq_nvecs; i++)
		synchronize_irq(bp->irq_tbl[i].vector);
634 635
}

636 637 638
static void
bnx2_napi_disable(struct bnx2 *bp)
{
639 640 641 642
	int i;

	for (i = 0; i < bp->irq_nvecs; i++)
		napi_disable(&bp->bnx2_napi[i].napi);
643 644 645 646 647
}

static void
bnx2_napi_enable(struct bnx2 *bp)
{
648 649 650 651
	int i;

	for (i = 0; i < bp->irq_nvecs; i++)
		napi_enable(&bp->bnx2_napi[i].napi);
652 653
}

654
static void
655
bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
656
{
657 658
	if (stop_cnic)
		bnx2_cnic_stop(bp);
659
	if (netif_running(bp->dev)) {
660
		bnx2_napi_disable(bp);
661 662
		netif_tx_disable(bp->dev);
	}
663
	bnx2_disable_int_sync(bp);
664
	netif_carrier_off(bp->dev);	/* prevent tx timeout */
665 666 667
}

static void
668
bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
669 670 671
{
	if (atomic_dec_and_test(&bp->intr_sem)) {
		if (netif_running(bp->dev)) {
B
Benjamin Li 已提交
672
			netif_tx_wake_all_queues(bp->dev);
673 674 675 676
			spin_lock_bh(&bp->phy_lock);
			if (bp->link_up)
				netif_carrier_on(bp->dev);
			spin_unlock_bh(&bp->phy_lock);
677
			bnx2_napi_enable(bp);
678
			bnx2_enable_int(bp);
679 680
			if (start_cnic)
				bnx2_cnic_start(bp);
681 682 683 684
		}
	}
}

685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704
static void
bnx2_free_tx_mem(struct bnx2 *bp)
{
	int i;

	for (i = 0; i < bp->num_tx_rings; i++) {
		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
		struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;

		if (txr->tx_desc_ring) {
			pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
					    txr->tx_desc_ring,
					    txr->tx_desc_mapping);
			txr->tx_desc_ring = NULL;
		}
		kfree(txr->tx_buf_ring);
		txr->tx_buf_ring = NULL;
	}
}

705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721
static void
bnx2_free_rx_mem(struct bnx2 *bp)
{
	int i;

	for (i = 0; i < bp->num_rx_rings; i++) {
		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
		struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
		int j;

		for (j = 0; j < bp->rx_max_ring; j++) {
			if (rxr->rx_desc_ring[j])
				pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
						    rxr->rx_desc_ring[j],
						    rxr->rx_desc_mapping[j]);
			rxr->rx_desc_ring[j] = NULL;
		}
722
		vfree(rxr->rx_buf_ring);
723 724 725 726 727
		rxr->rx_buf_ring = NULL;

		for (j = 0; j < bp->rx_max_pg_ring; j++) {
			if (rxr->rx_pg_desc_ring[j])
				pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
728 729 730
						    rxr->rx_pg_desc_ring[j],
						    rxr->rx_pg_desc_mapping[j]);
			rxr->rx_pg_desc_ring[j] = NULL;
731
		}
732
		vfree(rxr->rx_pg_ring);
733 734 735 736
		rxr->rx_pg_ring = NULL;
	}
}

737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758
static int
bnx2_alloc_tx_mem(struct bnx2 *bp)
{
	int i;

	for (i = 0; i < bp->num_tx_rings; i++) {
		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
		struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;

		txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
		if (txr->tx_buf_ring == NULL)
			return -ENOMEM;

		txr->tx_desc_ring =
			pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
					     &txr->tx_desc_mapping);
		if (txr->tx_desc_ring == NULL)
			return -ENOMEM;
	}
	return 0;
}

759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807
static int
bnx2_alloc_rx_mem(struct bnx2 *bp)
{
	int i;

	for (i = 0; i < bp->num_rx_rings; i++) {
		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
		struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
		int j;

		rxr->rx_buf_ring =
			vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
		if (rxr->rx_buf_ring == NULL)
			return -ENOMEM;

		memset(rxr->rx_buf_ring, 0,
		       SW_RXBD_RING_SIZE * bp->rx_max_ring);

		for (j = 0; j < bp->rx_max_ring; j++) {
			rxr->rx_desc_ring[j] =
				pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
						     &rxr->rx_desc_mapping[j]);
			if (rxr->rx_desc_ring[j] == NULL)
				return -ENOMEM;

		}

		if (bp->rx_pg_ring_size) {
			rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
						  bp->rx_max_pg_ring);
			if (rxr->rx_pg_ring == NULL)
				return -ENOMEM;

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

		for (j = 0; j < bp->rx_max_pg_ring; j++) {
			rxr->rx_pg_desc_ring[j] =
				pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
						&rxr->rx_pg_desc_mapping[j]);
			if (rxr->rx_pg_desc_ring[j] == NULL)
				return -ENOMEM;

		}
	}
	return 0;
}

808 809 810
static void
bnx2_free_mem(struct bnx2 *bp)
{
811
	int i;
812
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
813

814
	bnx2_free_tx_mem(bp);
815
	bnx2_free_rx_mem(bp);
816

M
Michael Chan 已提交
817 818 819 820 821 822 823 824
	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;
		}
	}
825
	if (bnapi->status_blk.msi) {
826
		pci_free_consistent(bp->pdev, bp->status_stats_size,
827 828 829
				    bnapi->status_blk.msi,
				    bp->status_blk_mapping);
		bnapi->status_blk.msi = NULL;
830
		bp->stats_blk = NULL;
831 832 833 834 835 836
	}
}

static int
bnx2_alloc_mem(struct bnx2 *bp)
{
837
	int i, status_blk_size, err;
838 839
	struct bnx2_napi *bnapi;
	void *status_blk;
840

841 842
	/* Combine status and statistics blocks into one allocation. */
	status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
843
	if (bp->flags & BNX2_FLAG_MSIX_CAP)
844 845
		status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
						 BNX2_SBLK_MSIX_ALIGN_SIZE);
846 847 848
	bp->status_stats_size = status_blk_size +
				sizeof(struct statistics_block);

849 850 851
	status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
					  &bp->status_blk_mapping);
	if (status_blk == NULL)
852 853
		goto alloc_mem_err;

854
	memset(status_blk, 0, bp->status_stats_size);
855

856 857 858 859 860 861
	bnapi = &bp->bnx2_napi[0];
	bnapi->status_blk.msi = status_blk;
	bnapi->hw_tx_cons_ptr =
		&bnapi->status_blk.msi->status_tx_quick_consumer_index0;
	bnapi->hw_rx_cons_ptr =
		&bnapi->status_blk.msi->status_rx_quick_consumer_index0;
862
	if (bp->flags & BNX2_FLAG_MSIX_CAP) {
863
		for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
864 865 866
			struct status_block_msix *sblk;

			bnapi = &bp->bnx2_napi[i];
867

868 869 870 871 872 873 874
			sblk = (void *) (status_blk +
					 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
			bnapi->status_blk.msix = sblk;
			bnapi->hw_tx_cons_ptr =
				&sblk->status_tx_quick_consumer_index;
			bnapi->hw_rx_cons_ptr =
				&sblk->status_rx_quick_consumer_index;
875 876 877
			bnapi->int_num = i << 24;
		}
	}
878

879
	bp->stats_blk = status_blk + status_blk_size;
880

881
	bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
882

M
Michael Chan 已提交
883 884 885 886 887 888 889 890 891 892 893 894
	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;
		}
	}
895

896 897 898 899
	err = bnx2_alloc_rx_mem(bp);
	if (err)
		goto alloc_mem_err;

900 901 902 903
	err = bnx2_alloc_tx_mem(bp);
	if (err)
		goto alloc_mem_err;

904 905 906 907 908 909 910
	return 0;

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

911 912 913 914 915
static void
bnx2_report_fw_link(struct bnx2 *bp)
{
	u32 fw_link_status = 0;

916
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
917 918
		return;

919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953
	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;

954 955
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
956 957

			if (!(bmsr & BMSR_ANEGCOMPLETE) ||
958
			    bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
959 960 961 962 963 964 965 966
				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;

967
	bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
968 969
}

M
Michael Chan 已提交
970 971 972 973
static char *
bnx2_xceiver_str(struct bnx2 *bp)
{
	return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
974
		((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
M
Michael Chan 已提交
975 976 977
		 "Copper"));
}

978 979 980 981 982
static void
bnx2_report_link(struct bnx2 *bp)
{
	if (bp->link_up) {
		netif_carrier_on(bp->dev);
983 984 985 986
		netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
			    bnx2_xceiver_str(bp),
			    bp->line_speed,
			    bp->duplex == DUPLEX_FULL ? "full" : "half");
987 988 989

		if (bp->flow_ctrl) {
			if (bp->flow_ctrl & FLOW_CTRL_RX) {
990
				pr_cont(", receive ");
991
				if (bp->flow_ctrl & FLOW_CTRL_TX)
992
					pr_cont("& transmit ");
993 994
			}
			else {
995
				pr_cont(", transmit ");
996
			}
997
			pr_cont("flow control ON");
998
		}
999 1000
		pr_cont("\n");
	} else {
1001
		netif_carrier_off(bp->dev);
1002 1003
		netdev_err(bp->dev, "NIC %s Link is Down\n",
			   bnx2_xceiver_str(bp));
1004
	}
1005 1006

	bnx2_report_fw_link(bp);
1007 1008 1009 1010 1011 1012 1013 1014
}

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

	bp->flow_ctrl = 0;
1015
	if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027
		(AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {

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

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

1028
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
M
Michael Chan 已提交
1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
	    (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;
	}

1040 1041
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1042

1043
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084
		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;
		}
	}
}

1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123
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;
}

1124
static int
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bnx2_5708s_linkup(struct bnx2 *bp)
{
	u32 val;

	bp->link_up = 1;
	bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
	switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
		case BCM5708S_1000X_STAT1_SPEED_10:
			bp->line_speed = SPEED_10;
			break;
		case BCM5708S_1000X_STAT1_SPEED_100:
			bp->line_speed = SPEED_100;
			break;
		case BCM5708S_1000X_STAT1_SPEED_1G:
			bp->line_speed = SPEED_1000;
			break;
		case BCM5708S_1000X_STAT1_SPEED_2G5:
			bp->line_speed = SPEED_2500;
			break;
	}
	if (val & BCM5708S_1000X_STAT1_FD)
		bp->duplex = DUPLEX_FULL;
	else
		bp->duplex = DUPLEX_HALF;

	return 0;
}

static int
bnx2_5706s_linkup(struct bnx2 *bp)
1155 1156 1157 1158 1159 1160
{
	u32 bmcr, local_adv, remote_adv, common;

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

1161
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172
	if (bmcr & BMCR_FULLDPLX) {
		bp->duplex = DUPLEX_FULL;
	}
	else {
		bp->duplex = DUPLEX_HALF;
	}

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

1173 1174
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194

	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;

1195
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211
	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 {
1212 1213
			bnx2_read_phy(bp, bp->mii_adv, &local_adv);
			bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255

			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;
}

1256
static void
1257
bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
1258
{
1259
	u32 val, rx_cid_addr = GET_CID_ADDR(cid);
1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274

	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;

1275
		hi_water = min_t(int, bp->rx_ring_size / 4, lo_water + 16);
1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291

		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);
}

1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304
static void
bnx2_init_all_rx_contexts(struct bnx2 *bp)
{
	int i;
	u32 cid;

	for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
		if (i == 1)
			cid = RX_RSS_CID;
		bnx2_init_rx_context(bp, cid);
	}
}

1305
static void
1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319
bnx2_set_mac_link(struct bnx2 *bp)
{
	u32 val;

	REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
	if (bp->link_up && (bp->line_speed == SPEED_1000) &&
		(bp->duplex == DUPLEX_HALF)) {
		REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
	}

	/* Configure the EMAC mode register. */
	val = REG_RD(bp, BNX2_EMAC_MODE);

	val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
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		BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
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		BNX2_EMAC_MODE_25G_MODE);
1322 1323

	if (bp->link_up) {
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		switch (bp->line_speed) {
			case SPEED_10:
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				if (CHIP_NUM(bp) != CHIP_NUM_5706) {
					val |= BNX2_EMAC_MODE_PORT_MII_10M;
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					break;
				}
				/* fall through */
			case SPEED_100:
				val |= BNX2_EMAC_MODE_PORT_MII;
				break;
			case SPEED_2500:
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				val |= BNX2_EMAC_MODE_25G_MODE;
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				/* fall through */
			case SPEED_1000:
				val |= BNX2_EMAC_MODE_PORT_GMII;
				break;
		}
1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368
	}
	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);

1369
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
1370
		bnx2_init_all_rx_contexts(bp);
1371 1372
}

1373 1374 1375
static void
bnx2_enable_bmsr1(struct bnx2 *bp)
{
1376
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1377 1378 1379 1380 1381 1382 1383 1384
	    (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)
{
1385
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1386 1387 1388 1389 1390
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
}

1391 1392 1393 1394 1395 1396
static int
bnx2_test_and_enable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 1;

1397
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1398 1399 1400 1401 1402
		return 0;

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

1403 1404 1405
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1406 1407 1408 1409 1410 1411 1412
	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;
	}

1413 1414 1415 1416
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1417 1418 1419 1420 1421 1422 1423 1424 1425
	return ret;
}

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

1426
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1427 1428
		return 0;

1429 1430 1431
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1432 1433 1434 1435 1436 1437 1438
	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;
	}

1439 1440 1441 1442
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1443 1444 1445 1446 1447 1448 1449 1450
	return ret;
}

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

1451
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1452 1453
		return;

1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468
	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) {
1469 1470
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr |= BCM5708S_BMCR_FORCE_2500;
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	} else {
		return;
1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487
	}

	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;

1488
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1489 1490
		return;

1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504
	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) {
1505 1506
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr &= ~BCM5708S_BMCR_FORCE_2500;
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	} else {
		return;
1509 1510 1511 1512 1513 1514 1515
	}

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

1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528
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);
}

1529 1530 1531 1532 1533 1534
static int
bnx2_set_link(struct bnx2 *bp)
{
	u32 bmsr;
	u8 link_up;

M
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1535
	if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1536 1537 1538 1539
		bp->link_up = 1;
		return 0;
	}

1540
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1541 1542
		return 0;

1543 1544
	link_up = bp->link_up;

1545 1546 1547 1548
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
1549

1550
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1551
	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1552
		u32 val, an_dbg;
1553

1554
		if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1555
			bnx2_5706s_force_link_dn(bp, 0);
1556
			bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1557
		}
1558
		val = REG_RD(bp, BNX2_EMAC_STATUS);
1559 1560 1561 1562 1563 1564 1565

		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))
1566 1567 1568 1569 1570 1571 1572 1573
			bmsr |= BMSR_LSTATUS;
		else
			bmsr &= ~BMSR_LSTATUS;
	}

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

1574
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
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1575 1576 1577 1578
			if (CHIP_NUM(bp) == CHIP_NUM_5706)
				bnx2_5706s_linkup(bp);
			else if (CHIP_NUM(bp) == CHIP_NUM_5708)
				bnx2_5708s_linkup(bp);
1579 1580
			else if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bnx2_5709s_linkup(bp);
1581 1582 1583 1584 1585 1586 1587
		}
		else {
			bnx2_copper_linkup(bp);
		}
		bnx2_resolve_flow_ctrl(bp);
	}
	else {
1588
		if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1589 1590
		    (bp->autoneg & AUTONEG_SPEED))
			bnx2_disable_forced_2g5(bp);
1591

1592
		if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1593 1594 1595 1596 1597 1598
			u32 bmcr;

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

1599
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1600
		}
1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618
		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;

1619
        bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1620 1621 1622 1623 1624

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

1625
		bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644
		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)) {

1645
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1646 1647 1648 1649 1650 1651 1652
			adv = ADVERTISE_1000XPAUSE;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1653
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1654 1655 1656 1657 1658 1659 1660
			adv = ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_ASYM;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1661
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1662 1663 1664 1665 1666 1667 1668 1669 1670
			adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
		}
	}
	return adv;
}

1671
static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
1672

1673
static int
1674
bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1675 1676
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715
{
	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;
1716
	if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1717 1718 1719 1720 1721 1722
		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;

1723
	bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1724 1725

	spin_unlock_bh(&bp->phy_lock);
1726
	bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
1727 1728 1729 1730 1731 1732 1733
	spin_lock_bh(&bp->phy_lock);

	return 0;
}

static int
bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1734 1735
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
1736
{
1737
	u32 adv, bmcr;
1738 1739
	u32 new_adv = 0;

1740
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1741 1742
		return (bnx2_setup_remote_phy(bp, port));

1743 1744
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		u32 new_bmcr;
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Michael Chan 已提交
1745 1746
		int force_link_down = 0;

1747 1748 1749 1750 1751 1752 1753
		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;
		}
1754
		bnx2_read_phy(bp, bp->mii_adv, &adv);
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Michael Chan 已提交
1755 1756
		adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);

1757
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1758
		new_bmcr = bmcr & ~BMCR_ANENABLE;
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Michael Chan 已提交
1759
		new_bmcr |= BMCR_SPEED1000;
1760

1761 1762 1763 1764 1765 1766 1767 1768 1769
		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) {
1770 1771 1772 1773
			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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Michael Chan 已提交
1774 1775
		}

1776
		if (bp->req_duplex == DUPLEX_FULL) {
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Michael Chan 已提交
1777
			adv |= ADVERTISE_1000XFULL;
1778 1779 1780
			new_bmcr |= BMCR_FULLDPLX;
		}
		else {
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Michael Chan 已提交
1781
			adv |= ADVERTISE_1000XHALF;
1782 1783
			new_bmcr &= ~BMCR_FULLDPLX;
		}
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Michael Chan 已提交
1784
		if ((new_bmcr != bmcr) || (force_link_down)) {
1785 1786
			/* Force a link down visible on the other side */
			if (bp->link_up) {
1787
				bnx2_write_phy(bp, bp->mii_adv, adv &
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Michael Chan 已提交
1788 1789
					       ~(ADVERTISE_1000XFULL |
						 ADVERTISE_1000XHALF));
1790
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1791 1792 1793 1794
					BMCR_ANRESTART | BMCR_ANENABLE);

				bp->link_up = 0;
				netif_carrier_off(bp->dev);
1795
				bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
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Michael Chan 已提交
1796
				bnx2_report_link(bp);
1797
			}
1798 1799
			bnx2_write_phy(bp, bp->mii_adv, adv);
			bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1800 1801 1802
		} else {
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
1803 1804 1805 1806
		}
		return 0;
	}

1807
	bnx2_test_and_enable_2g5(bp);
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Michael Chan 已提交
1808

1809 1810 1811 1812 1813
	if (bp->advertising & ADVERTISED_1000baseT_Full)
		new_adv |= ADVERTISE_1000XFULL;

	new_adv |= bnx2_phy_get_pause_adv(bp);

1814 1815
	bnx2_read_phy(bp, bp->mii_adv, &adv);
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1816 1817 1818 1819 1820

	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) {
1821
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
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Michael Chan 已提交
1822 1823 1824
			spin_unlock_bh(&bp->phy_lock);
			msleep(20);
			spin_lock_bh(&bp->phy_lock);
1825 1826
		}

1827 1828
		bnx2_write_phy(bp, bp->mii_adv, new_adv);
		bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1829
			BMCR_ANENABLE);
1830 1831 1832 1833 1834 1835 1836 1837
		/* 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.
		 */
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Michael Chan 已提交
1838
		bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
1839 1840
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
1841 1842 1843
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1844 1845 1846 1847 1848 1849
	}

	return 0;
}

#define ETHTOOL_ALL_FIBRE_SPEED						\
1850
	(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ?			\
1851 1852
		(ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
		(ADVERTISED_1000baseT_Full)
1853 1854 1855 1856 1857 1858 1859 1860

#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)
1861

1862 1863
#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)

1864 1865 1866 1867 1868 1869
static void
bnx2_set_default_remote_link(struct bnx2 *bp)
{
	u32 link;

	if (bp->phy_port == PORT_TP)
1870
		link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1871
	else
1872
		link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1873 1874 1875 1876 1877 1878 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 1906 1907 1908 1909 1910

	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;
	}
}

1911 1912 1913
static void
bnx2_set_default_link(struct bnx2 *bp)
{
1914 1915 1916 1917
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
		bnx2_set_default_remote_link(bp);
		return;
	}
1918

1919 1920
	bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
	bp->req_line_speed = 0;
1921
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1922 1923 1924 1925
		u32 reg;

		bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;

1926
		reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1927 1928 1929 1930 1931 1932 1933 1934 1935 1936
		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
1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950
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);
}

1951 1952 1953 1954 1955 1956 1957
static void
bnx2_remote_phy_event(struct bnx2 *bp)
{
	u32 msg;
	u8 link_up = bp->link_up;
	u8 old_port;

1958
	msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1959

M
Michael Chan 已提交
1960 1961 1962 1963 1964
	if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
		bnx2_send_heart_beat(bp);

	msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;

1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 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 2025 2026 2027 2028 2029 2030 2031 2032
	if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
		bp->link_up = 0;
	else {
		u32 speed;

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

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

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

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

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

	bnx2_set_mac_link(bp);
}

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

2033
	evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
2034 2035 2036 2037 2038 2039
	switch (evt_code) {
		case BNX2_FW_EVT_CODE_LINK_EVENT:
			bnx2_remote_phy_event(bp);
			break;
		case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
		default:
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Michael Chan 已提交
2040
			bnx2_send_heart_beat(bp);
2041 2042 2043 2044 2045
			break;
	}
	return 0;
}

2046 2047
static int
bnx2_setup_copper_phy(struct bnx2 *bp)
2048 2049
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2050 2051 2052 2053
{
	u32 bmcr;
	u32 new_bmcr;

2054
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
2055 2056 2057 2058 2059 2060

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

2061
		bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077
		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;
2078

2079 2080 2081 2082 2083 2084 2085 2086
		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)) {

2087
			bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
2088
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
2089
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111
				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;

2112 2113
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2114

2115 2116
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
2117
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
2118 2119 2120 2121
			spin_unlock_bh(&bp->phy_lock);
			msleep(50);
			spin_lock_bh(&bp->phy_lock);

2122 2123
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2124 2125
		}

2126
		bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137

		/* 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);
		}
2138 2139 2140
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
2141 2142 2143 2144 2145
	}
	return 0;
}

static int
2146
bnx2_setup_phy(struct bnx2 *bp, u8 port)
2147 2148
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2149 2150 2151 2152
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

2153
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2154
		return (bnx2_setup_serdes_phy(bp, port));
2155 2156 2157 2158 2159 2160
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

2161
static int
2162
bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176
{
	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);
2177 2178
	if (reset_phy)
		bnx2_reset_phy(bp);
2179 2180 2181 2182 2183 2184 2185 2186 2187 2188

	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);
2189
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210
		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;
}

2211
static int
2212
bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
M
Michael Chan 已提交
2213 2214 2215
{
	u32 val;

2216 2217
	if (reset_phy)
		bnx2_reset_phy(bp);
2218 2219 2220

	bp->mii_up1 = BCM5708S_UP1;

M
Michael Chan 已提交
2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232
	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);

2233
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
M
Michael Chan 已提交
2234 2235 2236 2237 2238 2239
		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
2240 2241
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
2242 2243 2244 2245 2246 2247 2248 2249 2250
		/* 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);
	}

2251
	val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
M
Michael Chan 已提交
2252 2253 2254 2255 2256
	      BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;

	if (val) {
		u32 is_backplane;

2257
		is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269
		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
2270
bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
2271
{
2272 2273
	if (reset_phy)
		bnx2_reset_phy(bp);
2274

2275
	bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
2276

M
Michael Chan 已提交
2277 2278
	if (CHIP_NUM(bp) == CHIP_NUM_5706)
        	REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307

	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
2308
bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2309
{
M
Michael Chan 已提交
2310 2311
	u32 val;

2312 2313
	if (reset_phy)
		bnx2_reset_phy(bp);
2314

2315
	if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2316 2317 2318 2319 2320 2321 2322 2323 2324 2325
		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);
	}

2326
	if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2327 2328 2329 2330 2331 2332 2333
		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);
	}

2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351
	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
2352 2353 2354 2355
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2356 2357 2358 2359 2360
	return 0;
}


static int
2361
bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2362 2363
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2364 2365 2366 2367
{
	u32 val;
	int rc = 0;

2368 2369
	bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
	bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2370

2371 2372
	bp->mii_bmcr = MII_BMCR;
	bp->mii_bmsr = MII_BMSR;
2373
	bp->mii_bmsr1 = MII_BMSR;
2374 2375 2376
	bp->mii_adv = MII_ADVERTISE;
	bp->mii_lpa = MII_LPA;

2377 2378
        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

2379
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2380 2381
		goto setup_phy;

2382 2383 2384 2385 2386
	bnx2_read_phy(bp, MII_PHYSID1, &val);
	bp->phy_id = val << 16;
	bnx2_read_phy(bp, MII_PHYSID2, &val);
	bp->phy_id |= val & 0xffff;

2387
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
M
Michael Chan 已提交
2388
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
2389
			rc = bnx2_init_5706s_phy(bp, reset_phy);
M
Michael Chan 已提交
2390
		else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2391
			rc = bnx2_init_5708s_phy(bp, reset_phy);
2392
		else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2393
			rc = bnx2_init_5709s_phy(bp, reset_phy);
2394 2395
	}
	else {
2396
		rc = bnx2_init_copper_phy(bp, reset_phy);
2397 2398
	}

2399 2400 2401
setup_phy:
	if (!rc)
		rc = bnx2_setup_phy(bp, bp->phy_port);
2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418

	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
2419 2420 2421 2422 2423 2424 2425 2426 2427
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);
2428
	rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
M
Michael Chan 已提交
2429 2430 2431 2432 2433 2434 2435 2436
			    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
2437
		msleep(100);
M
Michael Chan 已提交
2438 2439 2440 2441 2442
	}

	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
2443
		      BNX2_EMAC_MODE_25G_MODE);
M
Michael Chan 已提交
2444 2445 2446 2447 2448 2449 2450

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

2451
static int
2452
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
2453 2454 2455 2456 2457 2458 2459
{
	int i;
	u32 val;

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

2460
	bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2461

2462 2463 2464
	if (!ack)
		return 0;

2465
	/* wait for an acknowledgement. */
M
Michael Chan 已提交
2466
	for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
2467
		msleep(10);
2468

2469
		val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2470 2471 2472 2473

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
2474 2475
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
2476 2477

	/* If we timed out, inform the firmware that this is the case. */
2478 2479
	if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
		if (!silent)
2480
			pr_err("fw sync timeout, reset code = %x\n", msg_data);
2481 2482 2483 2484

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

2485
		bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2486 2487 2488 2489

		return -EBUSY;
	}

2490 2491 2492
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

2493 2494 2495
	return 0;
}

M
Michael Chan 已提交
2496 2497 2498 2499 2500 2501 2502 2503 2504
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);
2505 2506 2507 2508 2509 2510 2511 2512 2513
	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
2514 2515 2516
	for (i = 0; i < bp->ctx_pages; i++) {
		int j;

2517 2518 2519 2520 2521
		if (bp->ctx_blk[i])
			memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
		else
			return -ENOMEM;

M
Michael Chan 已提交
2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543
		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;
}

2544 2545 2546 2547 2548 2549 2550 2551
static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;
2552
		int i;
2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572

		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;
		}

2573 2574 2575
		for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
			vcid_addr += (i << PHY_CTX_SHIFT);
			pcid_addr += (i << PHY_CTX_SHIFT);
2576

2577
			REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2578
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2579

2580 2581
			/* Zero out the context. */
			for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
M
Michael Chan 已提交
2582
				bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2583
		}
2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595
	}
}

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) {
2596
		pr_err("Failed to allocate memory in %s\n", __func__);
2597 2598 2599 2600 2601 2602 2603 2604 2605
		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. */
2606
	val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2607
	while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2608 2609
		bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
				BNX2_RBUF_COMMAND_ALLOC_REQ);
2610

2611
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2612 2613 2614 2615 2616 2617 2618 2619 2620

		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++;
		}

2621
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2622 2623 2624 2625 2626 2627 2628 2629 2630 2631
	}

	/* 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;

2632
		bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2633 2634 2635 2636 2637 2638
	}
	kfree(good_mbuf);
	return 0;
}

static void
2639
bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
2640 2641 2642 2643 2644
{
	u32 val;

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

2645
	REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
2646

2647
	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2648 2649
		(mac_addr[4] << 8) | mac_addr[5];

2650
	REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
2651 2652
}

2653
static inline int
2654
bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2655 2656
{
	dma_addr_t mapping;
2657
	struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2658
	struct rx_bd *rxbd =
2659
		&rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2660 2661 2662 2663 2664 2665
	struct page *page = alloc_page(GFP_ATOMIC);

	if (!page)
		return -ENOMEM;
	mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
			       PCI_DMA_FROMDEVICE);
B
Benjamin Li 已提交
2666 2667 2668 2669 2670
	if (pci_dma_mapping_error(bp->pdev, mapping)) {
		__free_page(page);
		return -EIO;
	}

2671
	rx_pg->page = page;
2672
	dma_unmap_addr_set(rx_pg, mapping, mapping);
2673 2674 2675 2676 2677 2678
	rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
	rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
	return 0;
}

static void
2679
bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2680
{
2681
	struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2682 2683 2684 2685 2686
	struct page *page = rx_pg->page;

	if (!page)
		return;

2687
	pci_unmap_page(bp->pdev, dma_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2688 2689 2690 2691 2692 2693
		       PCI_DMA_FROMDEVICE);

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

2694
static inline int
2695
bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2696 2697
{
	struct sk_buff *skb;
2698
	struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
2699
	dma_addr_t mapping;
2700
	struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2701 2702
	unsigned long align;

2703
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2704 2705 2706 2707
	if (skb == NULL) {
		return -ENOMEM;
	}

M
Michael Chan 已提交
2708 2709
	if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
		skb_reserve(skb, BNX2_RX_ALIGN - align);
2710 2711 2712

	mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
		PCI_DMA_FROMDEVICE);
B
Benjamin Li 已提交
2713 2714 2715 2716
	if (pci_dma_mapping_error(bp->pdev, mapping)) {
		dev_kfree_skb(skb);
		return -EIO;
	}
2717 2718

	rx_buf->skb = skb;
M
Michael Chan 已提交
2719
	rx_buf->desc = (struct l2_fhdr *) skb->data;
2720
	dma_unmap_addr_set(rx_buf, mapping, mapping);
2721 2722 2723 2724

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

2725
	rxr->rx_prod_bseq += bp->rx_buf_use_size;
2726 2727 2728 2729

	return 0;
}

2730
static int
2731
bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2732
{
2733
	struct status_block *sblk = bnapi->status_blk.msi;
2734
	u32 new_link_state, old_link_state;
2735
	int is_set = 1;
2736

2737 2738
	new_link_state = sblk->status_attn_bits & event;
	old_link_state = sblk->status_attn_bits_ack & event;
2739
	if (new_link_state != old_link_state) {
2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750
		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
2751
bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2752
{
M
Michael Chan 已提交
2753 2754 2755
	spin_lock(&bp->phy_lock);

	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2756
		bnx2_set_link(bp);
2757
	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2758 2759
		bnx2_set_remote_link(bp);

M
Michael Chan 已提交
2760 2761
	spin_unlock(&bp->phy_lock);

2762 2763
}

2764
static inline u16
2765
bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2766 2767 2768
{
	u16 cons;

2769 2770 2771
	/* Tell compiler that status block fields can change. */
	barrier();
	cons = *bnapi->hw_tx_cons_ptr;
2772
	barrier();
2773 2774 2775 2776 2777
	if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
		cons++;
	return cons;
}

M
Michael Chan 已提交
2778 2779
static int
bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2780
{
2781
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
2782
	u16 hw_cons, sw_cons, sw_ring_cons;
B
Benjamin Li 已提交
2783 2784 2785 2786 2787
	int tx_pkt = 0, index;
	struct netdev_queue *txq;

	index = (bnapi - bp->bnx2_napi);
	txq = netdev_get_tx_queue(bp->dev, index);
2788

2789
	hw_cons = bnx2_get_hw_tx_cons(bnapi);
2790
	sw_cons = txr->tx_cons;
2791 2792

	while (sw_cons != hw_cons) {
B
Benjamin Li 已提交
2793
		struct sw_tx_bd *tx_buf;
2794 2795 2796 2797 2798
		struct sk_buff *skb;
		int i, last;

		sw_ring_cons = TX_RING_IDX(sw_cons);

2799
		tx_buf = &txr->tx_buf_ring[sw_ring_cons];
2800
		skb = tx_buf->skb;
A
Arjan van de Ven 已提交
2801

E
Eric Dumazet 已提交
2802 2803 2804
		/* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
		prefetch(&skb->end);

2805
		/* partial BD completions possible with TSO packets */
E
Eric Dumazet 已提交
2806
		if (tx_buf->is_gso) {
2807 2808
			u16 last_idx, last_ring_idx;

E
Eric Dumazet 已提交
2809 2810
			last_idx = sw_cons + tx_buf->nr_frags + 1;
			last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
2811 2812 2813 2814 2815 2816 2817
			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
2818

2819
		pci_unmap_single(bp->pdev, dma_unmap_addr(tx_buf, mapping),
2820
			skb_headlen(skb), PCI_DMA_TODEVICE);
2821 2822

		tx_buf->skb = NULL;
E
Eric Dumazet 已提交
2823
		last = tx_buf->nr_frags;
2824 2825 2826

		for (i = 0; i < last; i++) {
			sw_cons = NEXT_TX_BD(sw_cons);
2827 2828

			pci_unmap_page(bp->pdev,
2829
				dma_unmap_addr(
2830 2831 2832 2833
					&txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
					mapping),
				skb_shinfo(skb)->frags[i].size,
				PCI_DMA_TODEVICE);
2834 2835 2836 2837
		}

		sw_cons = NEXT_TX_BD(sw_cons);

2838
		dev_kfree_skb(skb);
M
Michael Chan 已提交
2839 2840 2841
		tx_pkt++;
		if (tx_pkt == budget)
			break;
2842

E
Eric Dumazet 已提交
2843 2844
		if (hw_cons == sw_cons)
			hw_cons = bnx2_get_hw_tx_cons(bnapi);
2845 2846
	}

2847 2848
	txr->hw_tx_cons = hw_cons;
	txr->tx_cons = sw_cons;
B
Benjamin Li 已提交
2849

M
Michael Chan 已提交
2850
	/* Need to make the tx_cons update visible to bnx2_start_xmit()
B
Benjamin Li 已提交
2851
	 * before checking for netif_tx_queue_stopped().  Without the
M
Michael Chan 已提交
2852 2853 2854 2855
	 * memory barrier, there is a small possibility that bnx2_start_xmit()
	 * will miss it and cause the queue to be stopped forever.
	 */
	smp_mb();
2856

B
Benjamin Li 已提交
2857
	if (unlikely(netif_tx_queue_stopped(txq)) &&
2858
		     (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
B
Benjamin Li 已提交
2859 2860
		__netif_tx_lock(txq, smp_processor_id());
		if ((netif_tx_queue_stopped(txq)) &&
2861
		    (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
B
Benjamin Li 已提交
2862 2863
			netif_tx_wake_queue(txq);
		__netif_tx_unlock(txq);
2864
	}
B
Benjamin Li 已提交
2865

M
Michael Chan 已提交
2866
	return tx_pkt;
2867 2868
}

2869
static void
2870
bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2871
			struct sk_buff *skb, int count)
2872 2873 2874 2875
{
	struct sw_pg *cons_rx_pg, *prod_rx_pg;
	struct rx_bd *cons_bd, *prod_bd;
	int i;
B
Benjamin Li 已提交
2876
	u16 hw_prod, prod;
2877
	u16 cons = rxr->rx_pg_cons;
2878

B
Benjamin Li 已提交
2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899
	cons_rx_pg = &rxr->rx_pg_ring[cons];

	/* The caller was unable to allocate a new page to replace the
	 * last one in the frags array, so we need to recycle that page
	 * and then free the skb.
	 */
	if (skb) {
		struct page *page;
		struct skb_shared_info *shinfo;

		shinfo = skb_shinfo(skb);
		shinfo->nr_frags--;
		page = shinfo->frags[shinfo->nr_frags].page;
		shinfo->frags[shinfo->nr_frags].page = NULL;

		cons_rx_pg->page = page;
		dev_kfree_skb(skb);
	}

	hw_prod = rxr->rx_pg_prod;

2900 2901 2902
	for (i = 0; i < count; i++) {
		prod = RX_PG_RING_IDX(hw_prod);

2903 2904 2905 2906
		prod_rx_pg = &rxr->rx_pg_ring[prod];
		cons_rx_pg = &rxr->rx_pg_ring[cons];
		cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
		prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2907 2908 2909 2910

		if (prod != cons) {
			prod_rx_pg->page = cons_rx_pg->page;
			cons_rx_pg->page = NULL;
2911 2912
			dma_unmap_addr_set(prod_rx_pg, mapping,
				dma_unmap_addr(cons_rx_pg, mapping));
2913 2914 2915 2916 2917 2918 2919 2920

			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);
	}
2921 2922
	rxr->rx_pg_prod = hw_prod;
	rxr->rx_pg_cons = cons;
2923 2924
}

2925
static inline void
2926 2927
bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
		  struct sk_buff *skb, u16 cons, u16 prod)
2928
{
2929 2930 2931
	struct sw_bd *cons_rx_buf, *prod_rx_buf;
	struct rx_bd *cons_bd, *prod_bd;

2932 2933
	cons_rx_buf = &rxr->rx_buf_ring[cons];
	prod_rx_buf = &rxr->rx_buf_ring[prod];
2934 2935

	pci_dma_sync_single_for_device(bp->pdev,
2936
		dma_unmap_addr(cons_rx_buf, mapping),
2937
		BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2938

2939
	rxr->rx_prod_bseq += bp->rx_buf_use_size;
2940

2941
	prod_rx_buf->skb = skb;
M
Michael Chan 已提交
2942
	prod_rx_buf->desc = (struct l2_fhdr *) skb->data;
2943

2944 2945
	if (cons == prod)
		return;
2946

2947 2948
	dma_unmap_addr_set(prod_rx_buf, mapping,
			dma_unmap_addr(cons_rx_buf, mapping));
2949

2950 2951
	cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2952 2953
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2954 2955
}

2956
static int
2957
bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
2958 2959
	    unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
	    u32 ring_idx)
2960 2961 2962 2963
{
	int err;
	u16 prod = ring_idx & 0xffff;

2964
	err = bnx2_alloc_rx_skb(bp, rxr, prod);
2965
	if (unlikely(err)) {
2966
		bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
2967 2968 2969 2970
		if (hdr_len) {
			unsigned int raw_len = len + 4;
			int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;

2971
			bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
2972
		}
2973 2974 2975
		return err;
	}

2976
	skb_reserve(skb, BNX2_RX_OFFSET);
2977 2978 2979
	pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
			 PCI_DMA_FROMDEVICE);

2980 2981 2982 2983 2984 2985
	if (hdr_len == 0) {
		skb_put(skb, len);
		return 0;
	} else {
		unsigned int i, frag_len, frag_size, pages;
		struct sw_pg *rx_pg;
2986 2987
		u16 pg_cons = rxr->rx_pg_cons;
		u16 pg_prod = rxr->rx_pg_prod;
2988 2989 2990 2991 2992 2993

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

		for (i = 0; i < pages; i++) {
B
Benjamin Li 已提交
2994 2995
			dma_addr_t mapping_old;

2996 2997 2998 2999
			frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
			if (unlikely(frag_len <= 4)) {
				unsigned int tail = 4 - frag_len;

3000 3001 3002
				rxr->rx_pg_cons = pg_cons;
				rxr->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
3003
							pages - i);
3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015
				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;
			}
3016
			rx_pg = &rxr->rx_pg_ring[pg_cons];
3017

B
Benjamin Li 已提交
3018 3019 3020
			/* Don't unmap yet.  If we're unable to allocate a new
			 * page, we need to recycle the page and the DMA addr.
			 */
3021
			mapping_old = dma_unmap_addr(rx_pg, mapping);
3022 3023 3024 3025 3026 3027
			if (i == pages - 1)
				frag_len -= 4;

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

3028 3029
			err = bnx2_alloc_rx_page(bp, rxr,
						 RX_PG_RING_IDX(pg_prod));
3030
			if (unlikely(err)) {
3031 3032 3033
				rxr->rx_pg_cons = pg_cons;
				rxr->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, rxr, skb,
3034
							pages - i);
3035 3036 3037
				return err;
			}

B
Benjamin Li 已提交
3038 3039 3040
			pci_unmap_page(bp->pdev, mapping_old,
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);

3041 3042 3043 3044 3045 3046 3047 3048
			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));
		}
3049 3050
		rxr->rx_pg_prod = pg_prod;
		rxr->rx_pg_cons = pg_cons;
3051
	}
3052 3053 3054
	return 0;
}

M
Michael Chan 已提交
3055
static inline u16
3056
bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
3057
{
3058 3059
	u16 cons;

3060 3061 3062
	/* Tell compiler that status block fields can change. */
	barrier();
	cons = *bnapi->hw_rx_cons_ptr;
3063
	barrier();
M
Michael Chan 已提交
3064 3065 3066 3067 3068
	if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
		cons++;
	return cons;
}

3069
static int
3070
bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
3071
{
3072
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3073 3074
	u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
	struct l2_fhdr *rx_hdr;
3075
	int rx_pkt = 0, pg_ring_used = 0;
M
Michael Chan 已提交
3076
	struct pci_dev *pdev = bp->pdev;
3077

3078
	hw_cons = bnx2_get_hw_rx_cons(bnapi);
3079 3080
	sw_cons = rxr->rx_cons;
	sw_prod = rxr->rx_prod;
3081 3082 3083 3084 3085 3086

	/* 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) {
3087
		unsigned int len, hdr_len;
3088
		u32 status;
M
Michael Chan 已提交
3089
		struct sw_bd *rx_buf, *next_rx_buf;
3090
		struct sk_buff *skb;
3091
		dma_addr_t dma_addr;
3092 3093
		u16 vtag = 0;
		int hw_vlan __maybe_unused = 0;
3094 3095 3096 3097

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

3098
		rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
3099
		skb = rx_buf->skb;
M
Michael Chan 已提交
3100
		prefetchw(skb);
3101

M
Michael Chan 已提交
3102 3103 3104 3105 3106 3107
		if (!get_dma_ops(&pdev->dev)->sync_single_for_cpu) {
			next_rx_buf =
				&rxr->rx_buf_ring[
					RX_RING_IDX(NEXT_RX_BD(sw_cons))];
			prefetch(next_rx_buf->desc);
		}
3108 3109
		rx_buf->skb = NULL;

3110
		dma_addr = dma_unmap_addr(rx_buf, mapping);
3111 3112

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
3113 3114
			BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
			PCI_DMA_FROMDEVICE);
3115

M
Michael Chan 已提交
3116
		rx_hdr = rx_buf->desc;
3117
		len = rx_hdr->l2_fhdr_pkt_len;
3118
		status = rx_hdr->l2_fhdr_status;
3119

3120 3121 3122 3123 3124 3125 3126 3127 3128
		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;
		}

3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146
		if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
				       L2_FHDR_ERRORS_PHY_DECODE |
				       L2_FHDR_ERRORS_ALIGNMENT |
				       L2_FHDR_ERRORS_TOO_SHORT |
				       L2_FHDR_ERRORS_GIANT_FRAME))) {

			bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
					  sw_ring_prod);
			if (pg_ring_used) {
				int pages;

				pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;

				bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
			}
			goto next_rx;
		}

3147
		len -= 4;
3148

3149
		if (len <= bp->rx_copy_thresh) {
3150 3151
			struct sk_buff *new_skb;

3152
			new_skb = netdev_alloc_skb(bp->dev, len + 6);
3153
			if (new_skb == NULL) {
3154
				bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3155 3156 3157
						  sw_ring_prod);
				goto next_rx;
			}
3158 3159

			/* aligned copy */
3160
			skb_copy_from_linear_data_offset(skb,
3161 3162 3163
							 BNX2_RX_OFFSET - 6,
				      new_skb->data, len + 6);
			skb_reserve(new_skb, 6);
3164 3165
			skb_put(new_skb, len);

3166
			bnx2_reuse_rx_skb(bp, rxr, skb,
3167 3168 3169
				sw_ring_cons, sw_ring_prod);

			skb = new_skb;
3170
		} else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
3171
			   dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
3172 3173
			goto next_rx;

3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192
		if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
		    !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
			vtag = rx_hdr->l2_fhdr_vlan_tag;
#ifdef BCM_VLAN
			if (bp->vlgrp)
				hw_vlan = 1;
			else
#endif
			{
				struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
					__skb_push(skb, 4);

				memmove(ve, skb->data + 4, ETH_ALEN * 2);
				ve->h_vlan_proto = htons(ETH_P_8021Q);
				ve->h_vlan_TCI = htons(vtag);
				len += 4;
			}
		}

3193 3194 3195
		skb->protocol = eth_type_trans(skb, bp->dev);

		if ((len > (bp->dev->mtu + ETH_HLEN)) &&
A
Alexey Dobriyan 已提交
3196
			(ntohs(skb->protocol) != 0x8100)) {
3197

3198
			dev_kfree_skb(skb);
3199 3200 3201 3202 3203 3204 3205 3206 3207
			goto next_rx;

		}

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

3208 3209
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
3210 3211 3212
				skb->ip_summed = CHECKSUM_UNNECESSARY;
		}

3213 3214
		skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);

3215
#ifdef BCM_VLAN
3216
		if (hw_vlan)
M
Michael Chan 已提交
3217
			vlan_gro_receive(&bnapi->napi, bp->vlgrp, vtag, skb);
3218 3219
		else
#endif
M
Michael Chan 已提交
3220
			napi_gro_receive(&bnapi->napi, skb);
3221 3222 3223 3224 3225 3226 3227 3228 3229

		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
3230 3231 3232

		/* Refresh hw_cons to see if there is new work */
		if (sw_cons == hw_cons) {
3233
			hw_cons = bnx2_get_hw_rx_cons(bnapi);
M
Michael Chan 已提交
3234 3235
			rmb();
		}
3236
	}
3237 3238
	rxr->rx_cons = sw_cons;
	rxr->rx_prod = sw_prod;
3239

3240
	if (pg_ring_used)
3241
		REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
3242

3243
	REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
3244

3245
	REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256

	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
3257
bnx2_msi(int irq, void *dev_instance)
3258
{
3259 3260
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3261

3262
	prefetch(bnapi->status_blk.msi);
3263 3264 3265 3266 3267
	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. */
3268 3269
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
3270

3271
	napi_schedule(&bnapi->napi);
3272

3273
	return IRQ_HANDLED;
3274 3275
}

3276 3277 3278
static irqreturn_t
bnx2_msi_1shot(int irq, void *dev_instance)
{
3279 3280
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3281

3282
	prefetch(bnapi->status_blk.msi);
3283 3284 3285 3286 3287

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

3288
	napi_schedule(&bnapi->napi);
3289 3290 3291 3292

	return IRQ_HANDLED;
}

3293
static irqreturn_t
3294
bnx2_interrupt(int irq, void *dev_instance)
3295
{
3296 3297
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3298
	struct status_block *sblk = bnapi->status_blk.msi;
3299 3300 3301 3302 3303 3304 3305

	/* 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.
	 */
3306
	if ((sblk->status_idx == bnapi->last_status_idx) &&
3307 3308
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
3309
		return IRQ_NONE;
3310 3311 3312 3313 3314

	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

3315 3316 3317 3318 3319
	/* Read back to deassert IRQ immediately to avoid too many
	 * spurious interrupts.
	 */
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);

3320
	/* Return here if interrupt is shared and is disabled. */
3321 3322
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
3323

3324
	if (napi_schedule_prep(&bnapi->napi)) {
3325
		bnapi->last_status_idx = sblk->status_idx;
3326
		__napi_schedule(&bnapi->napi);
3327
	}
3328

3329
	return IRQ_HANDLED;
3330 3331
}

M
Michael Chan 已提交
3332
static inline int
3333
bnx2_has_fast_work(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
3334
{
3335
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3336
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
M
Michael Chan 已提交
3337

3338
	if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3339
	    (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
M
Michael Chan 已提交
3340
		return 1;
3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353
	return 0;
}

#define STATUS_ATTN_EVENTS	(STATUS_ATTN_BITS_LINK_STATE | \
				 STATUS_ATTN_BITS_TIMER_ABORT)

static inline int
bnx2_has_work(struct bnx2_napi *bnapi)
{
	struct status_block *sblk = bnapi->status_blk.msi;

	if (bnx2_has_fast_work(bnapi))
		return 1;
M
Michael Chan 已提交
3354

3355 3356 3357 3358 3359
#ifdef BCM_CNIC
	if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
		return 1;
#endif

3360 3361
	if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
M
Michael Chan 已提交
3362 3363 3364 3365 3366
		return 1;

	return 0;
}

3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388
static void
bnx2_chk_missed_msi(struct bnx2 *bp)
{
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
	u32 msi_ctrl;

	if (bnx2_has_work(bnapi)) {
		msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
		if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
			return;

		if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
			REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
			       ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
			REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
			bnx2_msi(bp->irq_tbl[0].vector, bnapi);
		}
	}

	bp->idle_chk_status_idx = bnapi->last_status_idx;
}

3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405
#ifdef BCM_CNIC
static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
{
	struct cnic_ops *c_ops;

	if (!bnapi->cnic_present)
		return;

	rcu_read_lock();
	c_ops = rcu_dereference(bp->cnic_ops);
	if (c_ops)
		bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
						      bnapi->status_blk.msi);
	rcu_read_unlock();
}
#endif

3406
static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
3407
{
3408
	struct status_block *sblk = bnapi->status_blk.msi;
3409 3410
	u32 status_attn_bits = sblk->status_attn_bits;
	u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3411

3412 3413
	if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3414

3415
		bnx2_phy_int(bp, bnapi);
M
Michael Chan 已提交
3416 3417 3418 3419 3420 3421 3422

		/* 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);
3423
	}
3424 3425 3426 3427 3428 3429 3430
}

static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
			  int work_done, int budget)
{
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3431

3432
	if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
M
Michael Chan 已提交
3433
		bnx2_tx_int(bp, bnapi, 0);
3434

3435
	if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
3436
		work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3437

3438 3439 3440
	return work_done;
}

3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457
static int bnx2_poll_msix(struct napi_struct *napi, int budget)
{
	struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
	struct bnx2 *bp = bnapi->bp;
	int work_done = 0;
	struct status_block_msix *sblk = bnapi->status_blk.msix;

	while (1) {
		work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
		if (unlikely(work_done >= budget))
			break;

		bnapi->last_status_idx = sblk->status_idx;
		/* status idx must be read before checking for more work. */
		rmb();
		if (likely(!bnx2_has_fast_work(bnapi))) {

3458
			napi_complete(napi);
3459 3460 3461 3462 3463 3464 3465 3466 3467
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
			       bnapi->last_status_idx);
			break;
		}
	}
	return work_done;
}

3468 3469
static int bnx2_poll(struct napi_struct *napi, int budget)
{
3470 3471
	struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
	struct bnx2 *bp = bnapi->bp;
3472
	int work_done = 0;
3473
	struct status_block *sblk = bnapi->status_blk.msi;
3474 3475

	while (1) {
3476 3477
		bnx2_poll_link(bp, bnapi);

3478
		work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
M
Michael Chan 已提交
3479

3480 3481 3482 3483
#ifdef BCM_CNIC
		bnx2_poll_cnic(bp, bnapi);
#endif

3484
		/* bnapi->last_status_idx is used below to tell the hw how
M
Michael Chan 已提交
3485 3486 3487
		 * much work has been processed, so we must read it before
		 * checking for more work.
		 */
3488
		bnapi->last_status_idx = sblk->status_idx;
3489 3490 3491 3492

		if (unlikely(work_done >= budget))
			break;

M
Michael Chan 已提交
3493
		rmb();
3494
		if (likely(!bnx2_has_work(bnapi))) {
3495
			napi_complete(napi);
3496
			if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3497 3498
				REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
				       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3499
				       bnapi->last_status_idx);
M
Michael Chan 已提交
3500
				break;
3501
			}
3502 3503
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3504
			       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3505
			       bnapi->last_status_idx);
3506

3507 3508
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3509
			       bnapi->last_status_idx);
3510 3511
			break;
		}
3512 3513
	}

3514
	return work_done;
3515 3516
}

H
Herbert Xu 已提交
3517
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
3518 3519 3520 3521 3522
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
3523
	struct bnx2 *bp = netdev_priv(dev);
3524
	u32 rx_mode, sort_mode;
J
Jiri Pirko 已提交
3525
	struct netdev_hw_addr *ha;
3526 3527
	int i;

3528 3529 3530
	if (!netif_running(dev))
		return;

3531
	spin_lock_bh(&bp->phy_lock);
3532 3533 3534 3535 3536

	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
3537
	if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
3538 3539
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
3540
	if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
M
Michael Chan 已提交
3541
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3542 3543 3544 3545
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
M
Michael Chan 已提交
3546 3547
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564
	}
	else if (dev->flags & IFF_ALLMULTI) {
		for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
			REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
			       0xffffffff);
        	}
		sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
	}
	else {
		/* Accept one or more multicast(s). */
		u32 mc_filter[NUM_MC_HASH_REGISTERS];
		u32 regidx;
		u32 bit;
		u32 crc;

		memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);

3565 3566
		netdev_for_each_mc_addr(ha, dev) {
			crc = ether_crc_le(ETH_ALEN, ha->addr);
3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580
			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;
	}

3581
	if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
3582 3583 3584 3585 3586
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
	} else if (!(dev->flags & IFF_PROMISC)) {
		/* Add all entries into to the match filter list */
J
Jiri Pirko 已提交
3587
		i = 0;
3588
		netdev_for_each_uc_addr(ha, dev) {
J
Jiri Pirko 已提交
3589
			bnx2_set_mac_addr(bp, ha->addr,
3590 3591 3592
					  i + BNX2_START_UNICAST_ADDRESS_INDEX);
			sort_mode |= (1 <<
				      (i + BNX2_START_UNICAST_ADDRESS_INDEX));
J
Jiri Pirko 已提交
3593
			i++;
3594 3595 3596 3597
		}

	}

3598 3599 3600 3601 3602 3603 3604 3605 3606
	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);

3607
	spin_unlock_bh(&bp->phy_lock);
3608 3609
}

M
Michael Chan 已提交
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
static int __devinit
check_fw_section(const struct firmware *fw,
		 const struct bnx2_fw_file_section *section,
		 u32 alignment, bool non_empty)
{
	u32 offset = be32_to_cpu(section->offset);
	u32 len = be32_to_cpu(section->len);

	if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
		return -EINVAL;
	if ((non_empty && len == 0) || len > fw->size - offset ||
	    len & (alignment - 1))
		return -EINVAL;
	return 0;
}

static int __devinit
check_mips_fw_entry(const struct firmware *fw,
		    const struct bnx2_mips_fw_file_entry *entry)
{
	if (check_fw_section(fw, &entry->text, 4, true) ||
	    check_fw_section(fw, &entry->data, 4, false) ||
	    check_fw_section(fw, &entry->rodata, 4, false))
		return -EINVAL;
	return 0;
}

static int __devinit
bnx2_request_firmware(struct bnx2 *bp)
3639
{
M
Michael Chan 已提交
3640
	const char *mips_fw_file, *rv2p_fw_file;
B
Bastian Blank 已提交
3641 3642
	const struct bnx2_mips_fw_file *mips_fw;
	const struct bnx2_rv2p_fw_file *rv2p_fw;
M
Michael Chan 已提交
3643 3644 3645 3646
	int rc;

	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		mips_fw_file = FW_MIPS_FILE_09;
3647 3648 3649 3650 3651
		if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
		    (CHIP_ID(bp) == CHIP_ID_5709_A1))
			rv2p_fw_file = FW_RV2P_FILE_09_Ax;
		else
			rv2p_fw_file = FW_RV2P_FILE_09;
M
Michael Chan 已提交
3652 3653 3654 3655 3656 3657 3658
	} else {
		mips_fw_file = FW_MIPS_FILE_06;
		rv2p_fw_file = FW_RV2P_FILE_06;
	}

	rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
	if (rc) {
3659
		pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
M
Michael Chan 已提交
3660 3661 3662 3663 3664
		return rc;
	}

	rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
	if (rc) {
3665
		pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
M
Michael Chan 已提交
3666 3667
		return rc;
	}
B
Bastian Blank 已提交
3668 3669 3670 3671 3672 3673 3674 3675
	mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
	rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
	if (bp->mips_firmware->size < sizeof(*mips_fw) ||
	    check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
	    check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
	    check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
	    check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
	    check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
3676
		pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
M
Michael Chan 已提交
3677 3678
		return -EINVAL;
	}
B
Bastian Blank 已提交
3679 3680 3681
	if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
	    check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
	    check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
3682
		pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
M
Michael Chan 已提交
3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706
		return -EINVAL;
	}

	return 0;
}

static u32
rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
{
	switch (idx) {
	case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
		rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
		rv2p_code |= RV2P_BD_PAGE_SIZE;
		break;
	}
	return rv2p_code;
}

static int
load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
	     const struct bnx2_rv2p_fw_file_entry *fw_entry)
{
	u32 rv2p_code_len, file_offset;
	__be32 *rv2p_code;
3707
	int i;
M
Michael Chan 已提交
3708 3709 3710 3711 3712 3713
	u32 val, cmd, addr;

	rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
	file_offset = be32_to_cpu(fw_entry->rv2p.offset);

	rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3714

M
Michael Chan 已提交
3715 3716 3717 3718 3719 3720
	if (rv2p_proc == RV2P_PROC1) {
		cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
		addr = BNX2_RV2P_PROC1_ADDR_CMD;
	} else {
		cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
		addr = BNX2_RV2P_PROC2_ADDR_CMD;
3721
	}
3722 3723

	for (i = 0; i < rv2p_code_len; i += 8) {
M
Michael Chan 已提交
3724
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
3725
		rv2p_code++;
M
Michael Chan 已提交
3726
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
3727 3728
		rv2p_code++;

M
Michael Chan 已提交
3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746
		val = (i / 8) | cmd;
		REG_WR(bp, addr, val);
	}

	rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
	for (i = 0; i < 8; i++) {
		u32 loc, code;

		loc = be32_to_cpu(fw_entry->fixup[i]);
		if (loc && ((loc * 4) < rv2p_code_len)) {
			code = be32_to_cpu(*(rv2p_code + loc - 1));
			REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
			code = be32_to_cpu(*(rv2p_code + loc));
			code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
			REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);

			val = (loc / 2) | cmd;
			REG_WR(bp, addr, val);
3747 3748 3749 3750 3751 3752 3753 3754 3755 3756
		}
	}

	/* 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);
	}
M
Michael Chan 已提交
3757 3758

	return 0;
3759 3760
}

3761
static int
M
Michael Chan 已提交
3762 3763
load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
	    const struct bnx2_mips_fw_file_entry *fw_entry)
3764
{
M
Michael Chan 已提交
3765 3766
	u32 addr, len, file_offset;
	__be32 *data;
3767 3768 3769 3770
	u32 offset;
	u32 val;

	/* Halt the CPU. */
3771
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3772
	val |= cpu_reg->mode_value_halt;
3773 3774
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3775 3776

	/* Load the Text area. */
M
Michael Chan 已提交
3777 3778 3779 3780
	addr = be32_to_cpu(fw_entry->text.addr);
	len = be32_to_cpu(fw_entry->text.len);
	file_offset = be32_to_cpu(fw_entry->text.offset);
	data = (__be32 *)(bp->mips_firmware->data + file_offset);
M
Michael Chan 已提交
3781

M
Michael Chan 已提交
3782 3783
	offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
	if (len) {
3784 3785
		int j;

M
Michael Chan 已提交
3786 3787
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3788 3789
	}

M
Michael Chan 已提交
3790 3791 3792 3793 3794
	/* Load the Data area. */
	addr = be32_to_cpu(fw_entry->data.addr);
	len = be32_to_cpu(fw_entry->data.len);
	file_offset = be32_to_cpu(fw_entry->data.offset);
	data = (__be32 *)(bp->mips_firmware->data + file_offset);
3795

M
Michael Chan 已提交
3796 3797
	offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
	if (len) {
3798 3799
		int j;

M
Michael Chan 已提交
3800 3801
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3802 3803 3804
	}

	/* Load the Read-Only area. */
M
Michael Chan 已提交
3805 3806 3807 3808 3809 3810 3811
	addr = be32_to_cpu(fw_entry->rodata.addr);
	len = be32_to_cpu(fw_entry->rodata.len);
	file_offset = be32_to_cpu(fw_entry->rodata.offset);
	data = (__be32 *)(bp->mips_firmware->data + file_offset);

	offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
	if (len) {
3812 3813
		int j;

M
Michael Chan 已提交
3814 3815
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3816 3817 3818
	}

	/* Clear the pre-fetch instruction. */
3819
	bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
M
Michael Chan 已提交
3820 3821 3822

	val = be32_to_cpu(fw_entry->start_addr);
	bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
3823 3824

	/* Start the CPU. */
3825
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3826
	val &= ~cpu_reg->mode_value_halt;
3827 3828
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3829 3830

	return 0;
3831 3832
}

3833
static int
3834 3835
bnx2_init_cpus(struct bnx2 *bp)
{
M
Michael Chan 已提交
3836 3837 3838 3839 3840
	const struct bnx2_mips_fw_file *mips_fw =
		(const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
	const struct bnx2_rv2p_fw_file *rv2p_fw =
		(const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
	int rc;
3841 3842

	/* Initialize the RV2P processor. */
M
Michael Chan 已提交
3843 3844
	load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
	load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
3845 3846

	/* Initialize the RX Processor. */
M
Michael Chan 已提交
3847
	rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
3848 3849 3850
	if (rc)
		goto init_cpu_err;

3851
	/* Initialize the TX Processor. */
M
Michael Chan 已提交
3852
	rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
3853 3854 3855
	if (rc)
		goto init_cpu_err;

3856
	/* Initialize the TX Patch-up Processor. */
M
Michael Chan 已提交
3857
	rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
3858 3859 3860
	if (rc)
		goto init_cpu_err;

3861
	/* Initialize the Completion Processor. */
M
Michael Chan 已提交
3862
	rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
3863 3864 3865
	if (rc)
		goto init_cpu_err;

M
Michael Chan 已提交
3866
	/* Initialize the Command Processor. */
M
Michael Chan 已提交
3867
	rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
3868

3869 3870
init_cpu_err:
	return rc;
3871 3872 3873
}

static int
3874
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3875 3876 3877 3878 3879 3880
{
	u16 pmcsr;

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

	switch (state) {
3881
	case PCI_D0: {
3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901
		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;
	}
3902
	case PCI_D3hot: {
3903 3904 3905 3906 3907 3908 3909 3910 3911 3912
		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
3913 3914 3915 3916 3917 3918 3919 3920
			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;
			}
3921

M
Michael Chan 已提交
3922 3923 3924
			spin_lock_bh(&bp->phy_lock);
			bnx2_setup_phy(bp, bp->phy_port);
			spin_unlock_bh(&bp->phy_lock);
3925 3926 3927 3928

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

3929
			bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3930 3931 3932 3933 3934

			val = REG_RD(bp, BNX2_EMAC_MODE);

			/* Enable port mode. */
			val &= ~BNX2_EMAC_MODE_PORT;
M
Michael Chan 已提交
3935
			val |= BNX2_EMAC_MODE_MPKT_RCVD |
3936 3937
			       BNX2_EMAC_MODE_ACPI_RCVD |
			       BNX2_EMAC_MODE_MPKT;
M
Michael Chan 已提交
3938 3939 3940 3941 3942 3943 3944
			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;
			}
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

			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;
		}

3979
		if (!(bp->flags & BNX2_FLAG_NO_WOL))
3980 3981
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
				     1, 0);
3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064

		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
4065
	if (bp->flash_info->flags & BNX2_NV_WREN) {
4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102
		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. */
4103
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4104 4105 4106 4107 4108 4109 4110 4111 4112 4113
	       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. */
4114
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4115 4116 4117 4118 4119 4120 4121 4122 4123 4124
		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
4125
	if (bp->flash_info->flags & BNX2_NV_BUFFERED)
4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167
		/* 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
4168 4169
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191
		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
4192 4193
			__be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
			memcpy(ret_val, &v, 4);
4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206
			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
4207 4208
	u32 cmd;
	__be32 val32;
4209 4210 4211 4212 4213
	int j;

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

M
Michael Chan 已提交
4214 4215
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226
		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
4227
	REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251

	/* 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
4252
	int j, entry_count, rc = 0;
4253
	const struct flash_spec *flash;
4254

M
Michael Chan 已提交
4255 4256 4257 4258 4259
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->flash_info = &flash_5709;
		goto get_flash_size;
	}

4260 4261 4262
	/* Determine the selected interface. */
	val = REG_RD(bp, BNX2_NVM_CFG1);

4263
	entry_count = ARRAY_SIZE(flash_table);
4264 4265 4266 4267 4268

	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
4269 4270 4271
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
4272 4273 4274 4275 4276 4277
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
4278
		u32 mask;
4279 4280
		/* Not yet been reconfigured */

4281 4282 4283 4284 4285
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

4286 4287 4288
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

4289
			if ((val & mask) == (flash->strapping & mask)) {
4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315
				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;
4316
		pr_alert("Unknown flash/EEPROM type\n");
M
Michael Chan 已提交
4317
		return -ENODEV;
4318 4319
	}

M
Michael Chan 已提交
4320
get_flash_size:
4321
	val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
M
Michael Chan 已提交
4322 4323 4324 4325 4326 4327
	val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
	if (val)
		bp->flash_size = val;
	else
		bp->flash_size = bp->flash_info->total_size;

4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445
	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;
4446
	u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4447 4448 4449 4450 4451 4452 4453 4454 4455 4456
	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
4457 4458 4459
		len32 += align_start;
		if (len32 < 4)
			len32 = 4;
4460 4461 4462 4463 4464
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
M
Michael Chan 已提交
4465 4466 4467 4468
		align_end = 4 - (len32 & 3);
		len32 += align_end;
		if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
			return rc;
4469 4470 4471
	}

	if (align_start || align_end) {
4472 4473
		align_buf = kmalloc(len32, GFP_KERNEL);
		if (align_buf == NULL)
4474 4475
			return -ENOMEM;
		if (align_start) {
4476
			memcpy(align_buf, start, 4);
4477 4478
		}
		if (align_end) {
4479
			memcpy(align_buf + len32 - 4, end, 4);
4480
		}
4481 4482
		memcpy(align_buf + align_start, data_buf, buf_size);
		buf = align_buf;
4483 4484
	}

M
Michael Chan 已提交
4485
	if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4486 4487 4488 4489 4490 4491 4492
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506
	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 */
4507
		data_end = (page_end > offset32 + len32) ?
4508 4509 4510 4511 4512 4513 4514 4515 4516 4517
			(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
4518
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4519 4520 4521 4522 4523 4524 4525 4526 4527
			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,
4528 4529
					page_start + j,
					&flash_buffer[j],
4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545
					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
4546
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
M
Michael Chan 已提交
4547 4548 4549 4550 4551 4552 4553
			/* 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);

4554 4555
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
4556

4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567
				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 */
4568
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4569
			if ((addr == page_end - 4) ||
M
Michael Chan 已提交
4570
				((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586
				 (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
4587
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4588 4589
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
4590

4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615
				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:
4616 4617
	kfree(flash_buffer);
	kfree(align_buf);
4618 4619 4620
	return rc;
}

4621
static void
4622
bnx2_init_fw_cap(struct bnx2 *bp)
4623
{
4624
	u32 val, sig = 0;
4625

4626
	bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4627 4628 4629 4630
	bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;

	if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
		bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4631

4632
	val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4633 4634 4635
	if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
		return;

4636 4637 4638 4639 4640 4641 4642 4643 4644
	if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
		bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
		sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
	}

	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
	    (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
		u32 link;

4645
		bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4646

4647 4648
		link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
		if (link & BNX2_LINK_STATUS_SERDES_LINK)
4649 4650 4651
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;
4652

4653 4654
		sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
		       BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4655
	}
4656 4657 4658

	if (netif_running(bp->dev) && sig)
		bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4659 4660
}

4661 4662 4663 4664 4665 4666 4667 4668 4669
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);
}

4670 4671 4672 4673 4674
static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;
4675
	u8 old_port;
4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686

	/* 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);

4687
	/* Wait for the firmware to tell us it is ok to issue a reset. */
4688
	bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
4689

4690 4691
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
4692 4693
	bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
		      BNX2_DRV_RESET_SIGNATURE_MAGIC);
4694 4695 4696 4697 4698

	/* 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);

4699 4700 4701 4702
	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);
4703

4704 4705
		val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4706

4707
		pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4708

4709 4710 4711 4712 4713 4714 4715 4716
	} 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);

4717 4718 4719 4720
		/* 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.
		 */
4721
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
A
Arjan van de Ven 已提交
4722 4723
		    (CHIP_ID(bp) == CHIP_ID_5706_A1))
			msleep(20);
4724

4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735
		/* 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)) {
4736
			pr_err("Chip reset did not complete\n");
4737 4738
			return -EBUSY;
		}
4739 4740 4741 4742 4743
	}

	/* Make sure byte swapping is properly configured. */
	val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
	if (val != 0x01020304) {
4744
		pr_err("Chip not in correct endian mode\n");
4745 4746 4747 4748
		return -ENODEV;
	}

	/* Wait for the firmware to finish its initialization. */
4749
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
4750 4751
	if (rc)
		return rc;
4752

4753
	spin_lock_bh(&bp->phy_lock);
4754
	old_port = bp->phy_port;
4755
	bnx2_init_fw_cap(bp);
4756 4757
	if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
	    old_port != bp->phy_port)
4758 4759 4760
		bnx2_set_default_remote_link(bp);
	spin_unlock_bh(&bp->phy_lock);

4761 4762 4763 4764 4765 4766 4767 4768 4769
	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);
	}

4770
	if (bp->flags & BNX2_FLAG_USING_MSIX) {
4771
		bnx2_setup_msix_tbl(bp);
4772 4773 4774 4775
		/* Prevent MSIX table reads and write from timing out */
		REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
			BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
	}
4776

4777 4778 4779 4780 4781 4782
	return rc;
}

static int
bnx2_init_chip(struct bnx2 *bp)
{
4783
	u32 val, mtu;
4784
	int rc, i;
4785 4786 4787 4788 4789 4790 4791

	/* 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
4792
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4793
#endif
4794
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4795 4796 4797 4798 4799
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

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

4800
	if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4801 4802 4803
		val |= (1 << 23);

	if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4804
	    (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4805 4806 4807 4808 4809 4810 4811 4812 4813 4814
		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);
	}

4815
	if (bp->flags & BNX2_FLAG_PCIX) {
4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830
		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. */
4831 4832 4833 4834 4835
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rc = bnx2_init_5709_context(bp);
		if (rc)
			return rc;
	} else
M
Michael Chan 已提交
4836
		bnx2_init_context(bp);
4837

4838 4839 4840
	if ((rc = bnx2_init_cpus(bp)) != 0)
		return rc;

4841 4842
	bnx2_init_nvram(bp);

4843
	bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
4844 4845 4846 4847

	val = REG_RD(bp, BNX2_MQ_CONFIG);
	val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
	val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4848 4849 4850 4851 4852
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
		if (CHIP_REV(bp) == CHIP_REV_Ax)
			val |= BNX2_MQ_CONFIG_HALT_DIS;
	}
4853

4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877
	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. */
4878 4879
	mtu = bp->dev->mtu;
	val = mtu + ETH_HLEN + ETH_FCS_LEN;
4880 4881 4882 4883
	if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
		val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
	REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);

4884 4885 4886 4887 4888 4889 4890
	if (mtu < 1500)
		mtu = 1500;

	bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
	bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
	bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));

4891
	memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
4892 4893 4894
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
		bp->bnx2_napi[i].last_status_idx = 0;

4895 4896
	bp->idle_chk_status_idx = 0xffff;

4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910
	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);

4911
	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929
	       (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);

4930
	if (bp->flags & BNX2_FLAG_BROKEN_STATS)
4931 4932
		REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
	else
4933
		REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4934 4935 4936
	REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */

	if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4937
		val = BNX2_HC_CONFIG_COLLECT_STATS;
4938
	else {
4939 4940
		val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
		      BNX2_HC_CONFIG_COLLECT_STATS;
4941 4942
	}

4943
	if (bp->flags & BNX2_FLAG_USING_MSIX) {
4944 4945 4946
		REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
		       BNX2_HC_MSIX_BIT_VECTOR_VAL);

M
Michael Chan 已提交
4947 4948 4949 4950
		val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
	}

	if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4951
		val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
M
Michael Chan 已提交
4952 4953 4954 4955 4956 4957 4958

	REG_WR(bp, BNX2_HC_CONFIG, val);

	for (i = 1; i < bp->irq_nvecs; i++) {
		u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
			   BNX2_HC_SB_CONFIG_1;

4959
		REG_WR(bp, base,
4960
			BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
M
Michael Chan 已提交
4961
			BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
4962 4963
			BNX2_HC_SB_CONFIG_1_ONE_SHOT);

4964
		REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4965 4966 4967
			(bp->tx_quick_cons_trip_int << 16) |
			 bp->tx_quick_cons_trip);

4968
		REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4969 4970
			(bp->tx_ticks_int << 16) | bp->tx_ticks);

M
Michael Chan 已提交
4971 4972 4973
		REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
		       (bp->rx_quick_cons_trip_int << 16) |
			bp->rx_quick_cons_trip);
4974

M
Michael Chan 已提交
4975 4976 4977
		REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
			(bp->rx_ticks_int << 16) | bp->rx_ticks);
	}
4978

4979 4980 4981
	/* Clear internal stats counters. */
	REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);

4982
	REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4983 4984 4985 4986

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

M
Michael Chan 已提交
4987 4988 4989 4990 4991
	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);
	}
4992
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4993
			  1, 0);
4994

M
Michael Chan 已提交
4995
	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4996 4997 4998 4999
	REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);

	udelay(20);

M
Michael Chan 已提交
5000 5001
	bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);

5002
	return rc;
5003 5004
}

5005 5006 5007 5008
static void
bnx2_clear_ring_states(struct bnx2 *bp)
{
	struct bnx2_napi *bnapi;
5009
	struct bnx2_tx_ring_info *txr;
5010
	struct bnx2_rx_ring_info *rxr;
5011 5012 5013 5014
	int i;

	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
		bnapi = &bp->bnx2_napi[i];
5015
		txr = &bnapi->tx_ring;
5016
		rxr = &bnapi->rx_ring;
5017

5018 5019
		txr->tx_cons = 0;
		txr->hw_tx_cons = 0;
5020 5021 5022 5023 5024
		rxr->rx_prod_bseq = 0;
		rxr->rx_prod = 0;
		rxr->rx_cons = 0;
		rxr->rx_pg_prod = 0;
		rxr->rx_pg_cons = 0;
5025 5026 5027
	}
}

M
Michael Chan 已提交
5028
static void
5029
bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
M
Michael Chan 已提交
5030 5031
{
	u32 val, offset0, offset1, offset2, offset3;
M
Michael Chan 已提交
5032
	u32 cid_addr = GET_CID_ADDR(cid);
M
Michael Chan 已提交
5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045

	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
5046
	bnx2_ctx_wr(bp, cid_addr, offset0, val);
M
Michael Chan 已提交
5047 5048

	val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
M
Michael Chan 已提交
5049
	bnx2_ctx_wr(bp, cid_addr, offset1, val);
M
Michael Chan 已提交
5050

5051
	val = (u64) txr->tx_desc_mapping >> 32;
M
Michael Chan 已提交
5052
	bnx2_ctx_wr(bp, cid_addr, offset2, val);
M
Michael Chan 已提交
5053

5054
	val = (u64) txr->tx_desc_mapping & 0xffffffff;
M
Michael Chan 已提交
5055
	bnx2_ctx_wr(bp, cid_addr, offset3, val);
M
Michael Chan 已提交
5056
}
5057 5058

static void
5059
bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
5060 5061
{
	struct tx_bd *txbd;
5062 5063
	u32 cid = TX_CID;
	struct bnx2_napi *bnapi;
5064
	struct bnx2_tx_ring_info *txr;
5065

5066 5067 5068 5069 5070 5071 5072
	bnapi = &bp->bnx2_napi[ring_num];
	txr = &bnapi->tx_ring;

	if (ring_num == 0)
		cid = TX_CID;
	else
		cid = TX_TSS_CID + ring_num - 1;
5073

M
Michael Chan 已提交
5074 5075
	bp->tx_wake_thresh = bp->tx_ring_size / 2;

5076
	txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
5077

5078 5079
	txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
	txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
5080

5081 5082
	txr->tx_prod = 0;
	txr->tx_prod_bseq = 0;
5083

5084 5085
	txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
	txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
5086

5087
	bnx2_init_tx_context(bp, cid, txr);
5088 5089 5090
}

static void
5091 5092
bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
		     int num_rings)
5093 5094
{
	int i;
5095
	struct rx_bd *rxbd;
5096

5097
	for (i = 0; i < num_rings; i++) {
5098
		int j;
5099

5100
		rxbd = &rx_ring[i][0];
5101
		for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
5102
			rxbd->rx_bd_len = buf_size;
5103 5104
			rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
		}
5105
		if (i == (num_rings - 1))
5106 5107 5108
			j = 0;
		else
			j = i + 1;
5109 5110
		rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
		rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
5111
	}
5112 5113 5114
}

static void
5115
bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
5116 5117 5118
{
	int i;
	u16 prod, ring_prod;
5119 5120 5121 5122 5123 5124 5125 5126 5127 5128
	u32 cid, rx_cid_addr, val;
	struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;

	if (ring_num == 0)
		cid = RX_CID;
	else
		cid = RX_RSS_CID + ring_num - 1;

	rx_cid_addr = GET_CID_ADDR(cid);
5129

5130
	bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
5131 5132
			     bp->rx_buf_use_size, bp->rx_max_ring);

5133
	bnx2_init_rx_context(bp, cid);
5134 5135 5136 5137 5138 5139

	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
5140
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
5141
	if (bp->rx_pg_ring_size) {
5142 5143
		bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
				     rxr->rx_pg_desc_mapping,
5144 5145
				     PAGE_SIZE, bp->rx_max_pg_ring);
		val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
M
Michael Chan 已提交
5146 5147
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
M
Michael Chan 已提交
5148
		       BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
5149

5150
		val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
M
Michael Chan 已提交
5151
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
5152

5153
		val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
M
Michael Chan 已提交
5154
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
5155 5156 5157 5158

		if (CHIP_NUM(bp) == CHIP_NUM_5709)
			REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
	}
5159

5160
	val = (u64) rxr->rx_desc_mapping[0] >> 32;
M
Michael Chan 已提交
5161
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
5162

5163
	val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
M
Michael Chan 已提交
5164
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
5165

5166
	ring_prod = prod = rxr->rx_pg_prod;
5167
	for (i = 0; i < bp->rx_pg_ring_size; i++) {
5168
		if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) {
5169 5170
			netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
				    ring_num, i, bp->rx_pg_ring_size);
5171
			break;
5172
		}
5173 5174 5175
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_PG_RING_IDX(prod);
	}
5176
	rxr->rx_pg_prod = prod;
5177

5178
	ring_prod = prod = rxr->rx_prod;
5179
	for (i = 0; i < bp->rx_ring_size; i++) {
5180
		if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) {
5181 5182
			netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
				    ring_num, i, bp->rx_ring_size);
5183
			break;
5184
		}
5185 5186 5187
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_RING_IDX(prod);
	}
5188
	rxr->rx_prod = prod;
5189

5190 5191 5192
	rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
	rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
	rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
5193

5194 5195 5196 5197
	REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
	REG_WR16(bp, rxr->rx_bidx_addr, prod);

	REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
5198 5199
}

5200 5201 5202 5203
static void
bnx2_init_all_rings(struct bnx2 *bp)
{
	int i;
M
Michael Chan 已提交
5204
	u32 val;
5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215

	bnx2_clear_ring_states(bp);

	REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
	for (i = 0; i < bp->num_tx_rings; i++)
		bnx2_init_tx_ring(bp, i);

	if (bp->num_tx_rings > 1)
		REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
		       (TX_TSS_CID << 7));

M
Michael Chan 已提交
5216 5217 5218
	REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
	bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);

5219 5220
	for (i = 0; i < bp->num_rx_rings; i++)
		bnx2_init_rx_ring(bp, i);
M
Michael Chan 已提交
5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242

	if (bp->num_rx_rings > 1) {
		u32 tbl_32;
		u8 *tbl = (u8 *) &tbl_32;

		bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
				BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);

		for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
			tbl[i % 4] = i % (bp->num_rx_rings - 1);
			if ((i % 4) == 3)
				bnx2_reg_wr_ind(bp,
						BNX2_RXP_SCRATCH_RSS_TBL + i,
						cpu_to_be32(tbl_32));
		}

		val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
		      BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;

		REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);

	}
5243 5244
}

5245
static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
5246
{
5247
	u32 max, num_rings = 1;
5248

5249 5250
	while (ring_size > MAX_RX_DESC_CNT) {
		ring_size -= MAX_RX_DESC_CNT;
5251 5252 5253
		num_rings++;
	}
	/* round to next power of 2 */
5254
	max = max_size;
5255 5256 5257 5258 5259 5260
	while ((max & num_rings) == 0)
		max >>= 1;

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

5261 5262 5263 5264 5265 5266
	return max;
}

static void
bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
{
M
Michael Chan 已提交
5267
	u32 rx_size, rx_space, jumbo_size;
5268 5269

	/* 8 for CRC and VLAN */
5270
	rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
5271

M
Michael Chan 已提交
5272 5273 5274
	rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
		sizeof(struct skb_shared_info);

5275
	bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
5276 5277 5278
	bp->rx_pg_ring_size = 0;
	bp->rx_max_pg_ring = 0;
	bp->rx_max_pg_ring_idx = 0;
5279
	if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
M
Michael Chan 已提交
5280 5281 5282 5283 5284 5285 5286 5287 5288 5289
		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;
5290
		rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
M
Michael Chan 已提交
5291 5292
		bp->rx_copy_thresh = 0;
	}
5293 5294 5295 5296

	bp->rx_buf_use_size = rx_size;
	/* hw alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
5297
	bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5298 5299
	bp->rx_ring_size = size;
	bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
5300 5301 5302
	bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
}

5303 5304 5305 5306 5307
static void
bnx2_free_tx_skbs(struct bnx2 *bp)
{
	int i;

5308 5309 5310 5311
	for (i = 0; i < bp->num_tx_rings; i++) {
		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
		struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
		int j;
5312

5313
		if (txr->tx_buf_ring == NULL)
5314 5315
			continue;

5316
		for (j = 0; j < TX_DESC_CNT; ) {
B
Benjamin Li 已提交
5317
			struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
5318
			struct sk_buff *skb = tx_buf->skb;
5319
			int k, last;
5320 5321 5322 5323 5324 5325

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

5326
			pci_unmap_single(bp->pdev,
5327
					 dma_unmap_addr(tx_buf, mapping),
5328 5329
					 skb_headlen(skb),
					 PCI_DMA_TODEVICE);
5330

5331
			tx_buf->skb = NULL;
5332

5333 5334 5335 5336 5337
			last = tx_buf->nr_frags;
			j++;
			for (k = 0; k < last; k++, j++) {
				tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
				pci_unmap_page(bp->pdev,
5338
					dma_unmap_addr(tx_buf, mapping),
5339 5340 5341
					skb_shinfo(skb)->frags[k].size,
					PCI_DMA_TODEVICE);
			}
5342
			dev_kfree_skb(skb);
5343 5344 5345 5346 5347 5348 5349 5350 5351
		}
	}
}

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

5352 5353 5354 5355
	for (i = 0; i < bp->num_rx_rings; i++) {
		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
		struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
		int j;
5356

5357 5358
		if (rxr->rx_buf_ring == NULL)
			return;
5359

5360 5361 5362
		for (j = 0; j < bp->rx_max_ring_idx; j++) {
			struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
			struct sk_buff *skb = rx_buf->skb;
5363

5364 5365
			if (skb == NULL)
				continue;
5366

5367
			pci_unmap_single(bp->pdev,
5368
					 dma_unmap_addr(rx_buf, mapping),
5369 5370
					 bp->rx_buf_use_size,
					 PCI_DMA_FROMDEVICE);
5371

5372 5373 5374 5375 5376 5377
			rx_buf->skb = NULL;

			dev_kfree_skb(skb);
		}
		for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
			bnx2_free_rx_page(bp, rxr, j);
5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397
	}
}

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;

5398 5399 5400
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

5401
	bnx2_init_all_rings(bp);
5402 5403 5404 5405
	return 0;
}

static int
5406
bnx2_init_nic(struct bnx2 *bp, int reset_phy)
5407 5408 5409 5410 5411 5412
{
	int rc;

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

M
Michael Chan 已提交
5413
	spin_lock_bh(&bp->phy_lock);
5414
	bnx2_init_phy(bp, reset_phy);
5415
	bnx2_set_link(bp);
5416 5417
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
		bnx2_remote_phy_event(bp);
5418
	spin_unlock_bh(&bp->phy_lock);
5419 5420 5421
	return 0;
}

M
Michael Chan 已提交
5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436
static int
bnx2_shutdown_chip(struct bnx2 *bp)
{
	u32 reset_code;

	if (bp->flags & BNX2_FLAG_NO_WOL)
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
	else if (bp->wol)
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;

	return bnx2_reset_chip(bp, reset_code);
}

5437 5438 5439 5440
static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
5441
	int i, is_5709;
5442
	static const struct {
5443 5444
		u16   offset;
		u16   flags;
5445
#define BNX2_FL_NOT_5709	1
5446 5447 5448 5449 5450 5451 5452
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472
		{ 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 },
5473 5474

		{ 0x1000, 0, 0x00000000, 0x00000001 },
M
Michael Chan 已提交
5475
		{ 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
5476 5477 5478 5479

		{ 0x1408, 0, 0x01c00800, 0x00000000 },
		{ 0x149c, 0, 0x8000ffff, 0x00000000 },
		{ 0x14a8, 0, 0x00000000, 0x000001ff },
M
Michael Chan 已提交
5480
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
5481 5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557
		{ 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;
5558 5559 5560 5561
	is_5709 = 0;
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		is_5709 = 1;

5562 5563
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;
5564 5565 5566 5567
		u16 flags = reg_tbl[i].flags;

		if (is_5709 && (flags & BNX2_FL_NOT_5709))
			continue;
5568 5569 5570 5571 5572

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

5573
		save_val = readl(bp->regview + offset);
5574

5575
		writel(0, bp->regview + offset);
5576

5577
		val = readl(bp->regview + offset);
5578 5579 5580 5581 5582 5583 5584 5585
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

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

5586
		writel(0xffffffff, bp->regview + offset);
5587

5588
		val = readl(bp->regview + offset);
5589 5590 5591 5592 5593 5594 5595 5596
		if ((val & rw_mask) != rw_mask) {
			goto reg_test_err;
		}

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

5597
		writel(save_val, bp->regview + offset);
5598 5599 5600
		continue;

reg_test_err:
5601
		writel(save_val, bp->regview + offset);
5602 5603 5604 5605 5606 5607 5608 5609 5610
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
5611
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5612 5613 5614 5615 5616 5617 5618 5619
		0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
	int i;

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

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

5620
			bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5621

5622
			if (bnx2_reg_rd_ind(bp, start + offset) !=
5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635
				test_pattern[i]) {
				return -ENODEV;
			}
		}
	}
	return 0;
}

static int
bnx2_test_memory(struct bnx2 *bp)
{
	int ret = 0;
	int i;
5636
	static struct mem_entry {
5637 5638
		u32   offset;
		u32   len;
5639
	} mem_tbl_5706[] = {
5640
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
5641
		{ 0xa0000,  0x3000 },
5642 5643 5644 5645 5646
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
5647 5648 5649 5650 5651 5652 5653 5654
	},
	mem_tbl_5709[] = {
		{ 0x60000,  0x4000 },
		{ 0xa0000,  0x3000 },
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0xffffffff, 0    },
5655
	};
5656 5657 5658 5659 5660 5661
	struct mem_entry *mem_tbl;

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		mem_tbl = mem_tbl_5709;
	else
		mem_tbl = mem_tbl_5706;
5662 5663 5664 5665 5666 5667 5668

	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;
		}
	}
5669

5670 5671 5672
	return ret;
}

M
Michael Chan 已提交
5673 5674 5675
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

5676
static int
M
Michael Chan 已提交
5677
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5678 5679 5680 5681
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
5682
	u16 rx_start_idx, rx_idx;
5683 5684 5685 5686 5687
	dma_addr_t map;
	struct tx_bd *txbd;
	struct sw_bd *rx_buf;
	struct l2_fhdr *rx_hdr;
	int ret = -ENODEV;
5688
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5689
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5690
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5691 5692

	tx_napi = bnapi;
5693

5694
	txr = &tx_napi->tx_ring;
5695
	rxr = &bnapi->rx_ring;
M
Michael Chan 已提交
5696 5697 5698 5699 5700
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5701
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5702 5703
			return 0;

M
Michael Chan 已提交
5704
		bp->loopback = PHY_LOOPBACK;
M
Michael Chan 已提交
5705 5706 5707 5708
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
5709

M
Michael Chan 已提交
5710
	pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5711
	skb = netdev_alloc_skb(bp->dev, pkt_size);
5712 5713
	if (!skb)
		return -ENOMEM;
5714
	packet = skb_put(skb, pkt_size);
M
Michael Chan 已提交
5715
	memcpy(packet, bp->dev->dev_addr, 6);
5716 5717 5718 5719
	memset(packet + 6, 0x0, 8);
	for (i = 14; i < pkt_size; i++)
		packet[i] = (unsigned char) (i & 0xff);

5720 5721 5722
	map = pci_map_single(bp->pdev, skb->data, pkt_size,
		PCI_DMA_TODEVICE);
	if (pci_dma_mapping_error(bp->pdev, map)) {
B
Benjamin Li 已提交
5723 5724 5725
		dev_kfree_skb(skb);
		return -EIO;
	}
5726

M
Michael Chan 已提交
5727 5728 5729
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5730 5731 5732
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);
5733
	rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5734 5735 5736

	num_pkts = 0;

5737
	txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
5738 5739 5740 5741 5742 5743 5744

	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++;
5745 5746
	txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
	txr->tx_prod_bseq += pkt_size;
5747

5748 5749
	REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
	REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
5750 5751 5752

	udelay(100);

M
Michael Chan 已提交
5753 5754 5755
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5756 5757 5758 5759
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

5760
	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5761
	dev_kfree_skb(skb);
5762

5763
	if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
5764 5765
		goto loopback_test_done;

5766
	rx_idx = bnx2_get_hw_rx_cons(bnapi);
5767 5768 5769 5770
	if (rx_idx != rx_start_idx + num_pkts) {
		goto loopback_test_done;
	}

5771
	rx_buf = &rxr->rx_buf_ring[rx_start_idx];
5772 5773
	rx_skb = rx_buf->skb;

M
Michael Chan 已提交
5774
	rx_hdr = rx_buf->desc;
5775
	skb_reserve(rx_skb, BNX2_RX_OFFSET);
5776 5777

	pci_dma_sync_single_for_cpu(bp->pdev,
5778
		dma_unmap_addr(rx_buf, mapping),
5779 5780
		bp->rx_buf_size, PCI_DMA_FROMDEVICE);

5781
	if (rx_hdr->l2_fhdr_status &
5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807
		(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
5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822
#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);
5823
	bnx2_init_phy(bp, 1);
M
Michael Chan 已提交
5824 5825 5826 5827 5828 5829 5830 5831
	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;
}

5832 5833 5834 5835 5836 5837
#define NVRAM_SIZE 0x200
#define CRC32_RESIDUAL 0xdebb20e3

static int
bnx2_test_nvram(struct bnx2 *bp)
{
A
Al Viro 已提交
5838
	__be32 buf[NVRAM_SIZE / 4];
5839 5840 5841 5842 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
	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;

5875 5876 5877
	if (!netif_running(bp->dev))
		return -ENODEV;

5878
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5879 5880 5881 5882
		if (bp->link_up)
			return 0;
		return -ENODEV;
	}
5883
	spin_lock_bh(&bp->phy_lock);
5884 5885 5886 5887
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
5888
	spin_unlock_bh(&bp->phy_lock);
5889

5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907
	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
5908
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925
	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;
}

5926
/* Determining link for parallel detection. */
5927 5928 5929 5930 5931
static int
bnx2_5706_serdes_has_link(struct bnx2 *bp)
{
	u32 mode_ctl, an_dbg, exp;

5932 5933 5934
	if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
		return 0;

5935 5936 5937 5938 5939 5940 5941 5942 5943 5944
	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);

5945
	if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5946 5947 5948 5949 5950 5951 5952 5953 5954 5955 5956 5957
		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;
}

5958
static void
5959
bnx2_5706_serdes_timer(struct bnx2 *bp)
5960
{
5961 5962
	int check_link = 1;

5963
	spin_lock(&bp->phy_lock);
5964
	if (bp->serdes_an_pending) {
5965
		bp->serdes_an_pending--;
5966 5967
		check_link = 0;
	} else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5968
		u32 bmcr;
5969

5970
		bp->current_interval = BNX2_TIMER_INTERVAL;
M
Michael Chan 已提交
5971

5972
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5973

5974
		if (bmcr & BMCR_ANENABLE) {
5975
			if (bnx2_5706_serdes_has_link(bp)) {
5976 5977
				bmcr &= ~BMCR_ANENABLE;
				bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5978
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5979
				bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5980
			}
5981
		}
5982 5983
	}
	else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5984
		 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5985
		u32 phy2;
5986

5987 5988 5989 5990
		bnx2_write_phy(bp, 0x17, 0x0f01);
		bnx2_read_phy(bp, 0x15, &phy2);
		if (phy2 & 0x20) {
			u32 bmcr;
M
Michael Chan 已提交
5991

5992
			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5993
			bmcr |= BMCR_ANENABLE;
5994
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5995

5996
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5997 5998
		}
	} else
5999
		bp->current_interval = BNX2_TIMER_INTERVAL;
6000

6001
	if (check_link) {
6002 6003 6004 6005 6006 6007
		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);

6008 6009 6010 6011 6012 6013 6014 6015
		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);
6016
	}
6017 6018
	spin_unlock(&bp->phy_lock);
}
6019

6020 6021 6022
static void
bnx2_5708_serdes_timer(struct bnx2 *bp)
{
6023
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6024 6025
		return;

6026
	if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
6027 6028 6029
		bp->serdes_an_pending = 0;
		return;
	}
6030

6031 6032 6033 6034 6035
	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;
6036

6037
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6038
		if (bmcr & BMCR_ANENABLE) {
6039
			bnx2_enable_forced_2g5(bp);
M
Michael Chan 已提交
6040
			bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
6041
		} else {
6042
			bnx2_disable_forced_2g5(bp);
6043
			bp->serdes_an_pending = 2;
6044
			bp->current_interval = BNX2_TIMER_INTERVAL;
6045 6046
		}

6047
	} else
6048
		bp->current_interval = BNX2_TIMER_INTERVAL;
6049

6050 6051 6052
	spin_unlock(&bp->phy_lock);
}

6053 6054 6055 6056
static void
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
6057

6058 6059
	if (!netif_running(bp->dev))
		return;
6060

6061 6062
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;
6063

6064 6065 6066 6067
	if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
	     BNX2_FLAG_USING_MSI)
		bnx2_chk_missed_msi(bp);

M
Michael Chan 已提交
6068
	bnx2_send_heart_beat(bp);
6069

6070 6071
	bp->stats_blk->stat_FwRxDrop =
		bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
6072

6073
	/* workaround occasional corrupted counters */
6074
	if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
6075 6076 6077
		REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
					    BNX2_HC_COMMAND_STATS_NOW);

6078
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6079 6080
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			bnx2_5706_serdes_timer(bp);
6081
		else
6082
			bnx2_5708_serdes_timer(bp);
6083 6084 6085
	}

bnx2_restart_timer:
M
Michael Chan 已提交
6086
	mod_timer(&bp->timer, jiffies + bp->current_interval);
6087 6088
}

6089 6090 6091
static int
bnx2_request_irq(struct bnx2 *bp)
{
6092
	unsigned long flags;
6093 6094
	struct bnx2_irq *irq;
	int rc = 0, i;
6095

6096
	if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
6097 6098 6099
		flags = 0;
	else
		flags = IRQF_SHARED;
6100 6101 6102

	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
6103
		rc = request_irq(irq->vector, irq->handler, flags, irq->name,
6104
				 &bp->bnx2_napi[i]);
6105 6106 6107 6108
		if (rc)
			break;
		irq->requested = 1;
	}
6109 6110 6111 6112 6113 6114
	return rc;
}

static void
bnx2_free_irq(struct bnx2 *bp)
{
6115 6116
	struct bnx2_irq *irq;
	int i;
6117

6118 6119 6120
	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
		if (irq->requested)
6121
			free_irq(irq->vector, &bp->bnx2_napi[i]);
6122
		irq->requested = 0;
6123
	}
6124
	if (bp->flags & BNX2_FLAG_USING_MSI)
6125
		pci_disable_msi(bp->pdev);
6126
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
6127 6128
		pci_disable_msix(bp->pdev);

6129
	bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
6130 6131 6132
}

static void
M
Michael Chan 已提交
6133
bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
6134
{
M
Michael Chan 已提交
6135 6136
	int i, rc;
	struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
M
Michael Chan 已提交
6137 6138
	struct net_device *dev = bp->dev;
	const int len = sizeof(bp->irq_tbl[0].name);
M
Michael Chan 已提交
6139

6140 6141 6142 6143
	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
6144

6145 6146 6147 6148
	/*  Need to flush the previous three writes to ensure MSI-X
	 *  is setup properly */
	REG_RD(bp, BNX2_PCI_MSIX_CONTROL);

M
Michael Chan 已提交
6149 6150 6151 6152 6153 6154 6155 6156 6157
	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;

M
Michael Chan 已提交
6158
	bp->irq_nvecs = msix_vecs;
6159
	bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
6160
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
M
Michael Chan 已提交
6161
		bp->irq_tbl[i].vector = msix_ent[i].vector;
6162 6163 6164
		snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
		bp->irq_tbl[i].handler = bnx2_msi_1shot;
	}
6165 6166 6167 6168 6169
}

static void
bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
{
M
Michael Chan 已提交
6170
	int cpus = num_online_cpus();
B
Benjamin Li 已提交
6171
	int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
M
Michael Chan 已提交
6172

6173 6174
	bp->irq_tbl[0].handler = bnx2_interrupt;
	strcpy(bp->irq_tbl[0].name, bp->dev->name);
6175 6176 6177
	bp->irq_nvecs = 1;
	bp->irq_tbl[0].vector = bp->pdev->irq;

M
Michael Chan 已提交
6178 6179
	if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
		bnx2_enable_msix(bp, msix_vecs);
6180

6181 6182
	if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
	    !(bp->flags & BNX2_FLAG_USING_MSIX)) {
6183
		if (pci_enable_msi(bp->pdev) == 0) {
6184
			bp->flags |= BNX2_FLAG_USING_MSI;
6185
			if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6186
				bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
6187 6188 6189
				bp->irq_tbl[0].handler = bnx2_msi_1shot;
			} else
				bp->irq_tbl[0].handler = bnx2_msi;
6190 6191

			bp->irq_tbl[0].vector = bp->pdev->irq;
6192 6193
		}
	}
B
Benjamin Li 已提交
6194 6195 6196 6197

	bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
	bp->dev->real_num_tx_queues = bp->num_tx_rings;

M
Michael Chan 已提交
6198
	bp->num_rx_rings = bp->irq_nvecs;
6199 6200
}

6201 6202 6203 6204
/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
6205
	struct bnx2 *bp = netdev_priv(dev);
6206 6207
	int rc;

6208 6209
	netif_carrier_off(dev);

6210
	bnx2_set_power_state(bp, PCI_D0);
6211 6212
	bnx2_disable_int(bp);

6213
	bnx2_setup_int_mode(bp, disable_msi);
B
Benjamin Li 已提交
6214
	bnx2_init_napi(bp);
6215
	bnx2_napi_enable(bp);
6216
	rc = bnx2_alloc_mem(bp);
6217 6218
	if (rc)
		goto open_err;
6219

6220
	rc = bnx2_request_irq(bp);
6221 6222
	if (rc)
		goto open_err;
6223

6224
	rc = bnx2_init_nic(bp, 1);
6225 6226
	if (rc)
		goto open_err;
6227

M
Michael Chan 已提交
6228
	mod_timer(&bp->timer, jiffies + bp->current_interval);
6229 6230 6231

	atomic_set(&bp->intr_sem, 0);

6232 6233
	memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));

6234 6235
	bnx2_enable_int(bp);

6236
	if (bp->flags & BNX2_FLAG_USING_MSI) {
6237 6238 6239 6240
		/* Test MSI to make sure it is working
		 * If MSI test fails, go back to INTx mode
		 */
		if (bnx2_test_intr(bp) != 0) {
6241
			netdev_warn(bp->dev, "No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information.\n");
6242 6243

			bnx2_disable_int(bp);
6244
			bnx2_free_irq(bp);
6245

6246 6247
			bnx2_setup_int_mode(bp, 1);

6248
			rc = bnx2_init_nic(bp, 0);
6249

6250 6251 6252
			if (!rc)
				rc = bnx2_request_irq(bp);

6253 6254
			if (rc) {
				del_timer_sync(&bp->timer);
6255
				goto open_err;
6256 6257 6258 6259
			}
			bnx2_enable_int(bp);
		}
	}
6260
	if (bp->flags & BNX2_FLAG_USING_MSI)
6261
		netdev_info(dev, "using MSI\n");
6262
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
6263
		netdev_info(dev, "using MSIX\n");
6264

B
Benjamin Li 已提交
6265
	netif_tx_start_all_queues(dev);
6266 6267

	return 0;
6268 6269 6270 6271 6272 6273

open_err:
	bnx2_napi_disable(bp);
	bnx2_free_skbs(bp);
	bnx2_free_irq(bp);
	bnx2_free_mem(bp);
M
Michael Chan 已提交
6274
	bnx2_del_napi(bp);
6275
	return rc;
6276 6277 6278
}

static void
D
David Howells 已提交
6279
bnx2_reset_task(struct work_struct *work)
6280
{
D
David Howells 已提交
6281
	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
6282

6283 6284 6285
	rtnl_lock();
	if (!netif_running(bp->dev)) {
		rtnl_unlock();
6286
		return;
6287
	}
6288

6289
	bnx2_netif_stop(bp, true);
6290

6291
	bnx2_init_nic(bp, 1);
6292 6293

	atomic_set(&bp->intr_sem, 1);
6294
	bnx2_netif_start(bp, true);
6295
	rtnl_unlock();
6296 6297
}

6298 6299 6300 6301
static void
bnx2_dump_state(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;
6302
	u32 mcp_p0, mcp_p1;
6303

6304
	netdev_err(dev, "DEBUG: intr_sem[%x]\n", atomic_read(&bp->intr_sem));
6305
	netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
6306
		   REG_RD(bp, BNX2_EMAC_TX_STATUS),
6307 6308
		   REG_RD(bp, BNX2_EMAC_RX_STATUS));
	netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
6309
		   REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
6310 6311 6312 6313 6314 6315 6316
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		mcp_p0 = BNX2_MCP_STATE_P0;
		mcp_p1 = BNX2_MCP_STATE_P1;
	} else {
		mcp_p0 = BNX2_MCP_STATE_P0_5708;
		mcp_p1 = BNX2_MCP_STATE_P1_5708;
	}
6317
	netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
6318
		   bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
6319 6320
	netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
		   REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
6321
	if (bp->flags & BNX2_FLAG_USING_MSIX)
6322 6323
		netdev_err(dev, "DEBUG: PBA[%08x]\n",
			   REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
6324 6325
}

6326 6327 6328
static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
6329
	struct bnx2 *bp = netdev_priv(dev);
6330

6331 6332
	bnx2_dump_state(bp);

6333 6334 6335 6336 6337 6338 6339 6340 6341
	/* 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
6342
	struct bnx2 *bp = netdev_priv(dev);
6343

6344
	if (netif_running(dev))
6345
		bnx2_netif_stop(bp, false);
6346 6347

	bp->vlgrp = vlgrp;
6348 6349 6350 6351

	if (!netif_running(dev))
		return;

6352
	bnx2_set_rx_mode(dev);
6353 6354
	if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
		bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
6355

6356
	bnx2_netif_start(bp, false);
6357 6358 6359
}
#endif

H
Herbert Xu 已提交
6360
/* Called with netif_tx_lock.
M
Michael Chan 已提交
6361 6362
 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
 * netif_wake_queue().
6363
 */
6364
static netdev_tx_t
6365 6366
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
6367
	struct bnx2 *bp = netdev_priv(dev);
6368 6369
	dma_addr_t mapping;
	struct tx_bd *txbd;
B
Benjamin Li 已提交
6370
	struct sw_tx_bd *tx_buf;
6371 6372 6373
	u32 len, vlan_tag_flags, last_frag, mss;
	u16 prod, ring_prod;
	int i;
B
Benjamin Li 已提交
6374 6375 6376 6377 6378 6379 6380 6381 6382
	struct bnx2_napi *bnapi;
	struct bnx2_tx_ring_info *txr;
	struct netdev_queue *txq;

	/*  Determine which tx ring we will be placed on */
	i = skb_get_queue_mapping(skb);
	bnapi = &bp->bnx2_napi[i];
	txr = &bnapi->tx_ring;
	txq = netdev_get_tx_queue(dev, i);
6383

6384
	if (unlikely(bnx2_tx_avail(bp, txr) <
6385
	    (skb_shinfo(skb)->nr_frags + 1))) {
B
Benjamin Li 已提交
6386
		netif_tx_stop_queue(txq);
6387
		netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
6388 6389 6390 6391

		return NETDEV_TX_BUSY;
	}
	len = skb_headlen(skb);
6392
	prod = txr->tx_prod;
6393 6394 6395
	ring_prod = TX_RING_IDX(prod);

	vlan_tag_flags = 0;
6396
	if (skb->ip_summed == CHECKSUM_PARTIAL) {
6397 6398 6399
		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
	}

6400
#ifdef BCM_VLAN
A
Al Viro 已提交
6401
	if (bp->vlgrp && vlan_tx_tag_present(skb)) {
6402 6403 6404
		vlan_tag_flags |=
			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
	}
6405
#endif
6406
	if ((mss = skb_shinfo(skb)->gso_size)) {
6407
		u32 tcp_opt_len;
6408
		struct iphdr *iph;
6409 6410 6411

		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

6412 6413 6414 6415 6416
		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;
6417

6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435
			vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
					  TX_BD_FLAGS_SW_FLAGS;
			if (likely(tcp_off == 0))
				vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
			else {
				tcp_off >>= 3;
				vlan_tag_flags |= ((tcp_off & 0x3) <<
						   TX_BD_FLAGS_TCP6_OFF0_SHL) |
						  ((tcp_off & 0x10) <<
						   TX_BD_FLAGS_TCP6_OFF4_SHL);
				mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
			}
		} else {
			iph = ip_hdr(skb);
			if (tcp_opt_len || (iph->ihl > 5)) {
				vlan_tag_flags |= ((iph->ihl - 5) +
						   (tcp_opt_len >> 2)) << 8;
			}
6436
		}
6437
	} else
6438 6439
		mss = 0;

6440 6441
	mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
	if (pci_dma_mapping_error(bp->pdev, mapping)) {
B
Benjamin Li 已提交
6442 6443 6444 6445
		dev_kfree_skb(skb);
		return NETDEV_TX_OK;
	}

6446
	tx_buf = &txr->tx_buf_ring[ring_prod];
6447
	tx_buf->skb = skb;
6448
	dma_unmap_addr_set(tx_buf, mapping, mapping);
6449

6450
	txbd = &txr->tx_desc_ring[ring_prod];
6451 6452 6453 6454 6455 6456 6457

	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;
E
Eric Dumazet 已提交
6458 6459
	tx_buf->nr_frags = last_frag;
	tx_buf->is_gso = skb_is_gso(skb);
6460 6461 6462 6463 6464 6465

	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);
6466
		txbd = &txr->tx_desc_ring[ring_prod];
6467 6468

		len = frag->size;
6469 6470 6471 6472
		mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
			len, PCI_DMA_TODEVICE);
		if (pci_dma_mapping_error(bp->pdev, mapping))
			goto dma_error;
6473
		dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
6474
				   mapping);
6475 6476 6477 6478 6479 6480 6481 6482 6483 6484

		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);
6485
	txr->tx_prod_bseq += skb->len;
6486

6487 6488
	REG_WR16(bp, txr->tx_bidx_addr, prod);
	REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
6489 6490 6491

	mmiowb();

6492
	txr->tx_prod = prod;
6493

6494
	if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
B
Benjamin Li 已提交
6495
		netif_tx_stop_queue(txq);
6496
		if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
B
Benjamin Li 已提交
6497
			netif_tx_wake_queue(txq);
6498 6499
	}

6500 6501 6502 6503 6504 6505 6506 6507 6508 6509
	return NETDEV_TX_OK;
dma_error:
	/* save value of frag that failed */
	last_frag = i;

	/* start back at beginning and unmap skb */
	prod = txr->tx_prod;
	ring_prod = TX_RING_IDX(prod);
	tx_buf = &txr->tx_buf_ring[ring_prod];
	tx_buf->skb = NULL;
6510
	pci_unmap_single(bp->pdev, dma_unmap_addr(tx_buf, mapping),
6511 6512 6513 6514 6515 6516 6517
			 skb_headlen(skb), PCI_DMA_TODEVICE);

	/* unmap remaining mapped pages */
	for (i = 0; i < last_frag; i++) {
		prod = NEXT_TX_BD(prod);
		ring_prod = TX_RING_IDX(prod);
		tx_buf = &txr->tx_buf_ring[ring_prod];
6518
		pci_unmap_page(bp->pdev, dma_unmap_addr(tx_buf, mapping),
6519 6520 6521 6522 6523
			       skb_shinfo(skb)->frags[i].size,
			       PCI_DMA_TODEVICE);
	}

	dev_kfree_skb(skb);
6524 6525 6526 6527 6528 6529 6530
	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
6531
	struct bnx2 *bp = netdev_priv(dev);
6532

6533
	cancel_work_sync(&bp->reset_task);
6534

6535
	bnx2_disable_int_sync(bp);
6536
	bnx2_napi_disable(bp);
6537
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
6538
	bnx2_shutdown_chip(bp);
6539
	bnx2_free_irq(bp);
6540 6541
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
M
Michael Chan 已提交
6542
	bnx2_del_napi(bp);
6543 6544
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
6545
	bnx2_set_power_state(bp, PCI_D3hot);
6546 6547 6548
	return 0;
}

6549 6550 6551 6552 6553 6554 6555 6556 6557 6558 6559 6560
static void
bnx2_save_stats(struct bnx2 *bp)
{
	u32 *hw_stats = (u32 *) bp->stats_blk;
	u32 *temp_stats = (u32 *) bp->temp_stats_blk;
	int i;

	/* The 1st 10 counters are 64-bit counters */
	for (i = 0; i < 20; i += 2) {
		u32 hi;
		u64 lo;

6561 6562
		hi = temp_stats[i] + hw_stats[i];
		lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
6563 6564
		if (lo > 0xffffffff)
			hi++;
6565 6566
		temp_stats[i] = hi;
		temp_stats[i + 1] = lo & 0xffffffff;
6567 6568 6569
	}

	for ( ; i < sizeof(struct statistics_block) / 4; i++)
6570
		temp_stats[i] += hw_stats[i];
6571 6572
}

M
Michael Chan 已提交
6573
#define GET_64BIT_NET_STATS64(ctr)				\
6574 6575 6576
	(unsigned long) ((unsigned long) (ctr##_hi) << 32) +	\
	(unsigned long) (ctr##_lo)

M
Michael Chan 已提交
6577
#define GET_64BIT_NET_STATS32(ctr)				\
6578 6579 6580
	(ctr##_lo)

#if (BITS_PER_LONG == 64)
M
Michael Chan 已提交
6581
#define GET_64BIT_NET_STATS(ctr)				\
6582 6583
	GET_64BIT_NET_STATS64(bp->stats_blk->ctr) +		\
	GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
6584
#else
M
Michael Chan 已提交
6585
#define GET_64BIT_NET_STATS(ctr)				\
6586 6587
	GET_64BIT_NET_STATS32(bp->stats_blk->ctr) +		\
	GET_64BIT_NET_STATS32(bp->temp_stats_blk->ctr)
6588 6589
#endif

M
Michael Chan 已提交
6590
#define GET_32BIT_NET_STATS(ctr)				\
6591 6592
	(unsigned long) (bp->stats_blk->ctr +			\
			 bp->temp_stats_blk->ctr)
M
Michael Chan 已提交
6593

6594 6595 6596
static struct net_device_stats *
bnx2_get_stats(struct net_device *dev)
{
M
Michael Chan 已提交
6597
	struct bnx2 *bp = netdev_priv(dev);
6598
	struct net_device_stats *net_stats = &dev->stats;
6599 6600 6601 6602 6603

	if (bp->stats_blk == NULL) {
		return net_stats;
	}
	net_stats->rx_packets =
M
Michael Chan 已提交
6604 6605 6606
		GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
6607 6608

	net_stats->tx_packets =
M
Michael Chan 已提交
6609 6610 6611
		GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
6612 6613

	net_stats->rx_bytes =
M
Michael Chan 已提交
6614
		GET_64BIT_NET_STATS(stat_IfHCInOctets);
6615 6616

	net_stats->tx_bytes =
M
Michael Chan 已提交
6617
		GET_64BIT_NET_STATS(stat_IfHCOutOctets);
6618

6619
	net_stats->multicast =
M
Michael Chan 已提交
6620
		GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts);
6621

6622
	net_stats->collisions =
M
Michael Chan 已提交
6623
		GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
6624

6625
	net_stats->rx_length_errors =
M
Michael Chan 已提交
6626 6627
		GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
		GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
6628

6629
	net_stats->rx_over_errors =
M
Michael Chan 已提交
6630 6631
		GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
		GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
6632

6633
	net_stats->rx_frame_errors =
M
Michael Chan 已提交
6634
		GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
6635

6636
	net_stats->rx_crc_errors =
M
Michael Chan 已提交
6637
		GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
6638 6639 6640 6641 6642 6643

	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 =
M
Michael Chan 已提交
6644 6645
		GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
		GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
6646

M
Michael Chan 已提交
6647 6648
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
6649 6650 6651
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
M
Michael Chan 已提交
6652
			GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
6653 6654 6655
	}

	net_stats->tx_errors =
M
Michael Chan 已提交
6656
		GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
6657 6658 6659
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
6660
	net_stats->rx_missed_errors =
M
Michael Chan 已提交
6661 6662 6663
		GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
		GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
		GET_32BIT_NET_STATS(stat_FwRxDrop);
M
Michael Chan 已提交
6664

6665 6666 6667 6668 6669 6670 6671 6672
	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
6673
	struct bnx2 *bp = netdev_priv(dev);
6674
	int support_serdes = 0, support_copper = 0;
6675 6676

	cmd->supported = SUPPORTED_Autoneg;
6677
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6678 6679 6680 6681 6682 6683 6684 6685
		support_serdes = 1;
		support_copper = 1;
	} else if (bp->phy_port == PORT_FIBRE)
		support_serdes = 1;
	else
		support_copper = 1;

	if (support_serdes) {
6686 6687
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;
6688
		if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6689
			cmd->supported |= SUPPORTED_2500baseX_Full;
6690 6691

	}
6692
	if (support_copper) {
6693 6694 6695 6696 6697 6698 6699 6700 6701
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

	}

6702 6703
	spin_lock_bh(&bp->phy_lock);
	cmd->port = bp->phy_port;
6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717 6718 6719 6720
	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;
	}
6721
	spin_unlock_bh(&bp->phy_lock);
6722 6723 6724 6725 6726 6727

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

	return 0;
}
6728

6729 6730 6731
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
6732
	struct bnx2 *bp = netdev_priv(dev);
6733 6734 6735 6736
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;
6737 6738 6739 6740 6741 6742 6743
	int err = -EINVAL;

	spin_lock_bh(&bp->phy_lock);

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

6744 6745
	if (cmd->port != bp->phy_port &&
	    !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6746
		goto err_out_unlock;
6747

6748 6749 6750 6751 6752 6753
	/* If device is down, we can store the settings only if the user
	 * is setting the currently active port.
	 */
	if (!netif_running(dev) && cmd->port != bp->phy_port)
		goto err_out_unlock;

6754 6755 6756
	if (cmd->autoneg == AUTONEG_ENABLE) {
		autoneg |= AUTONEG_SPEED;

6757 6758 6759 6760
		advertising = cmd->advertising;
		if (cmd->port == PORT_TP) {
			advertising &= ETHTOOL_ALL_COPPER_SPEED;
			if (!advertising)
6761
				advertising = ETHTOOL_ALL_COPPER_SPEED;
6762 6763 6764 6765
		} else {
			advertising &= ETHTOOL_ALL_FIBRE_SPEED;
			if (!advertising)
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
6766 6767 6768 6769
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
6770
		if (cmd->port == PORT_FIBRE) {
M
Michael Chan 已提交
6771 6772 6773
			if ((cmd->speed != SPEED_1000 &&
			     cmd->speed != SPEED_2500) ||
			    (cmd->duplex != DUPLEX_FULL))
6774
				goto err_out_unlock;
M
Michael Chan 已提交
6775 6776

			if (cmd->speed == SPEED_2500 &&
6777
			    !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6778
				goto err_out_unlock;
6779
		}
6780 6781 6782
		else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
			goto err_out_unlock;

6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793
		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;

6794 6795 6796 6797 6798 6799
	err = 0;
	/* If device is down, the new settings will be picked up when it is
	 * brought up.
	 */
	if (netif_running(dev))
		err = bnx2_setup_phy(bp, cmd->port);
6800

6801
err_out_unlock:
6802
	spin_unlock_bh(&bp->phy_lock);
6803

6804
	return err;
6805 6806 6807 6808 6809
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
6810
	struct bnx2 *bp = netdev_priv(dev);
6811 6812 6813 6814

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
6815
	strcpy(info->fw_version, bp->fw_version);
6816 6817
}

M
Michael Chan 已提交
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 6848 6849 6850 6851 6852 6853 6854 6855 6856 6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868 6869 6870 6871 6872 6873 6874 6875
#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;
		}
	}
}

6876 6877 6878
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
6879
	struct bnx2 *bp = netdev_priv(dev);
6880

6881
	if (bp->flags & BNX2_FLAG_NO_WOL) {
6882 6883 6884 6885 6886 6887 6888 6889 6890 6891 6892 6893 6894 6895 6896 6897
		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
6898
	struct bnx2 *bp = netdev_priv(dev);
6899 6900 6901 6902 6903

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

	if (wol->wolopts & WAKE_MAGIC) {
6904
		if (bp->flags & BNX2_FLAG_NO_WOL)
6905 6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917
			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
6918
	struct bnx2 *bp = netdev_priv(dev);
6919 6920
	u32 bmcr;

6921 6922 6923
	if (!netif_running(dev))
		return -EAGAIN;

6924 6925 6926 6927
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		return -EINVAL;
	}

6928
	spin_lock_bh(&bp->phy_lock);
6929

6930
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6931 6932 6933 6934 6935 6936 6937
		int rc;

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

6938
	/* Force a link down visible on the other side */
6939
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6940
		bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6941
		spin_unlock_bh(&bp->phy_lock);
6942 6943 6944

		msleep(20);

6945
		spin_lock_bh(&bp->phy_lock);
6946

M
Michael Chan 已提交
6947
		bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
6948 6949
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
6950 6951
	}

6952
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6953
	bmcr &= ~BMCR_LOOPBACK;
6954
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6955

6956
	spin_unlock_bh(&bp->phy_lock);
6957 6958 6959 6960

	return 0;
}

6961 6962 6963 6964 6965 6966 6967 6968
static u32
bnx2_get_link(struct net_device *dev)
{
	struct bnx2 *bp = netdev_priv(dev);

	return bp->link_up;
}

6969 6970 6971
static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
6972
	struct bnx2 *bp = netdev_priv(dev);
6973

M
Michael Chan 已提交
6974
	if (bp->flash_info == NULL)
6975 6976
		return 0;

M
Michael Chan 已提交
6977
	return (int) bp->flash_size;
6978 6979 6980 6981 6982 6983
}

static int
bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
6984
	struct bnx2 *bp = netdev_priv(dev);
6985 6986
	int rc;

6987 6988 6989
	if (!netif_running(dev))
		return -EAGAIN;

6990
	/* parameters already validated in ethtool_get_eeprom */
6991 6992 6993 6994 6995 6996 6997 6998 6999 7000

	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
7001
	struct bnx2 *bp = netdev_priv(dev);
7002 7003
	int rc;

7004 7005 7006
	if (!netif_running(dev))
		return -EAGAIN;

7007
	/* parameters already validated in ethtool_set_eeprom */
7008 7009 7010 7011 7012 7013 7014 7015 7016

	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
7017
	struct bnx2 *bp = netdev_priv(dev);
7018 7019 7020 7021 7022 7023 7024 7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038

	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
7039
	struct bnx2 *bp = netdev_priv(dev);
7040 7041 7042 7043

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

7044
	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
7045 7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065 7066 7067
	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;
7068
	if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
7069 7070 7071
		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
			bp->stats_ticks = USEC_PER_SEC;
	}
7072 7073 7074
	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;
7075 7076

	if (netif_running(bp->dev)) {
7077
		bnx2_netif_stop(bp, true);
7078
		bnx2_init_nic(bp, 0);
7079
		bnx2_netif_start(bp, true);
7080 7081 7082 7083 7084 7085 7086 7087
	}

	return 0;
}

static void
bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
{
M
Michael Chan 已提交
7088
	struct bnx2 *bp = netdev_priv(dev);
7089

7090
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
7091
	ering->rx_mini_max_pending = 0;
7092
	ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
7093 7094 7095

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
7096
	ering->rx_jumbo_pending = bp->rx_pg_ring_size;
7097 7098 7099 7100 7101 7102

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

static int
7103
bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
7104
{
7105
	if (netif_running(bp->dev)) {
7106 7107 7108
		/* Reset will erase chipset stats; save them */
		bnx2_save_stats(bp);

7109
		bnx2_netif_stop(bp, true);
7110 7111 7112 7113 7114
		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
	}

7115 7116
	bnx2_set_rx_ring_size(bp, rx);
	bp->tx_ring_size = tx;
7117 7118

	if (netif_running(bp->dev)) {
7119 7120 7121
		int rc;

		rc = bnx2_alloc_mem(bp);
7122 7123 7124 7125 7126 7127
		if (!rc)
			rc = bnx2_init_nic(bp, 0);

		if (rc) {
			bnx2_napi_enable(bp);
			dev_close(bp->dev);
7128
			return rc;
7129
		}
7130 7131 7132 7133 7134 7135 7136
#ifdef BCM_CNIC
		mutex_lock(&bp->cnic_lock);
		/* Let cnic know about the new status block. */
		if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
			bnx2_setup_cnic_irq_info(bp);
		mutex_unlock(&bp->cnic_lock);
#endif
7137
		bnx2_netif_start(bp, true);
7138 7139 7140 7141
	}
	return 0;
}

7142 7143 7144 7145 7146 7147 7148 7149 7150 7151 7152 7153 7154 7155 7156 7157
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;
}

7158 7159 7160
static void
bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
7161
	struct bnx2 *bp = netdev_priv(dev);
7162 7163 7164 7165 7166 7167 7168 7169 7170

	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
7171
	struct bnx2 *bp = netdev_priv(dev);
7172 7173 7174 7175 7176 7177 7178 7179 7180 7181 7182 7183 7184 7185

	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;
	}

7186 7187 7188 7189 7190
	if (netif_running(dev)) {
		spin_lock_bh(&bp->phy_lock);
		bnx2_setup_phy(bp, bp->phy_port);
		spin_unlock_bh(&bp->phy_lock);
	}
7191 7192 7193 7194 7195 7196 7197

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
7198
	struct bnx2 *bp = netdev_priv(dev);
7199 7200 7201 7202 7203 7204 7205

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
7206
	struct bnx2 *bp = netdev_priv(dev);
7207 7208 7209 7210 7211

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
7212 7213 7214
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
7215 7216 7217
	struct bnx2 *bp = netdev_priv(dev);

	if (data) {
M
Michael Chan 已提交
7218
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7219 7220 7221 7222 7223
		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
7224 7225 7226
	return 0;
}

7227
static struct {
7228
	char string[ETH_GSTRING_LEN];
M
Michael Chan 已提交
7229
} bnx2_stats_str_arr[] = {
7230 7231 7232 7233 7234 7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245 7246 7247 7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266 7267 7268 7269 7270 7271 7272 7273
	{ "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" },
M
Michael Chan 已提交
7274
	{ "rx_ftq_discards" },
7275
	{ "rx_discards" },
M
Michael Chan 已提交
7276
	{ "rx_fw_discards" },
7277 7278
};

M
Michael Chan 已提交
7279 7280 7281
#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
			sizeof(bnx2_stats_str_arr[0]))

7282 7283
#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)

7284
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
7285 7286 7287 7288 7289 7290 7291 7292 7293 7294 7295
    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),
7296 7297 7298 7299 7300 7301 7302 7303 7304 7305 7306 7307 7308 7309 7310 7311 7312 7313 7314 7315 7316 7317 7318 7319 7320 7321 7322 7323 7324 7325 7326 7327 7328
    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),
M
Michael Chan 已提交
7329
    STATS_OFFSET32(stat_IfInFTQDiscards),
7330
    STATS_OFFSET32(stat_IfInMBUFDiscards),
M
Michael Chan 已提交
7331
    STATS_OFFSET32(stat_FwRxDrop),
7332 7333 7334 7335
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
7336
 */
7337
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
7338 7339 7340 7341
	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
7342
	4,4,4,4,4,4,4,
7343 7344
};

M
Michael Chan 已提交
7345 7346 7347 7348 7349
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
7350
	4,4,4,4,4,4,4,
M
Michael Chan 已提交
7351 7352
};

7353 7354
#define BNX2_NUM_TESTS 6

7355
static struct {
7356 7357 7358 7359 7360 7361 7362 7363 7364 7365 7366
	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
7367
bnx2_get_sset_count(struct net_device *dev, int sset)
7368
{
7369 7370 7371 7372 7373 7374 7375 7376
	switch (sset) {
	case ETH_SS_TEST:
		return BNX2_NUM_TESTS;
	case ETH_SS_STATS:
		return BNX2_NUM_STATS;
	default:
		return -EOPNOTSUPP;
	}
7377 7378 7379 7380 7381
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
7382
	struct bnx2 *bp = netdev_priv(dev);
7383

7384 7385
	bnx2_set_power_state(bp, PCI_D0);

7386 7387
	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
M
Michael Chan 已提交
7388 7389
		int i;

7390
		bnx2_netif_stop(bp, true);
7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401
		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
7402
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
7403 7404
			etest->flags |= ETH_TEST_FL_FAILED;

7405 7406
		if (!netif_running(bp->dev))
			bnx2_shutdown_chip(bp);
7407
		else {
7408
			bnx2_init_nic(bp, 1);
7409
			bnx2_netif_start(bp, true);
7410 7411 7412
		}

		/* wait for link up */
M
Michael Chan 已提交
7413 7414 7415 7416 7417
		for (i = 0; i < 7; i++) {
			if (bp->link_up)
				break;
			msleep_interruptible(1000);
		}
7418 7419 7420 7421 7422 7423 7424 7425 7426 7427 7428 7429 7430 7431 7432 7433
	}

	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;

	}
7434 7435
	if (!netif_running(bp->dev))
		bnx2_set_power_state(bp, PCI_D3hot);
7436 7437 7438 7439 7440 7441 7442 7443 7444 7445 7446 7447 7448 7449 7450 7451 7452 7453 7454 7455 7456
}

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
7457
	struct bnx2 *bp = netdev_priv(dev);
7458 7459
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
7460
	u32 *temp_stats = (u32 *) bp->temp_stats_blk;
7461
	u8 *stats_len_arr = NULL;
7462 7463 7464 7465 7466 7467

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

M
Michael Chan 已提交
7468 7469 7470 7471
	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))
7472
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
7473 7474
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
7475 7476

	for (i = 0; i < BNX2_NUM_STATS; i++) {
7477 7478
		unsigned long offset;

7479 7480 7481 7482 7483
		if (stats_len_arr[i] == 0) {
			/* skip this counter */
			buf[i] = 0;
			continue;
		}
7484 7485

		offset = bnx2_stats_offset_arr[i];
7486 7487
		if (stats_len_arr[i] == 4) {
			/* 4-byte counter */
7488 7489
			buf[i] = (u64) *(hw_stats + offset) +
				 *(temp_stats + offset);
7490 7491 7492
			continue;
		}
		/* 8-byte counter */
7493 7494 7495 7496
		buf[i] = (((u64) *(hw_stats + offset)) << 32) +
			 *(hw_stats + offset + 1) +
			 (((u64) *(temp_stats + offset)) << 32) +
			 *(temp_stats + offset + 1);
7497 7498 7499 7500 7501 7502
	}
}

static int
bnx2_phys_id(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
7503
	struct bnx2 *bp = netdev_priv(dev);
7504 7505 7506
	int i;
	u32 save;

7507 7508
	bnx2_set_power_state(bp, PCI_D0);

7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528 7529 7530 7531 7532
	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);
7533 7534 7535 7536

	if (!netif_running(dev))
		bnx2_set_power_state(bp, PCI_D3hot);

7537 7538 7539
	return 0;
}

7540 7541 7542 7543 7544 7545
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)
7546
		return (ethtool_op_set_tx_ipv6_csum(dev, data));
7547 7548 7549 7550
	else
		return (ethtool_op_set_tx_csum(dev, data));
}

7551
static const struct ethtool_ops bnx2_ethtool_ops = {
7552 7553 7554
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
7555 7556
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
7557 7558 7559
	.get_wol		= bnx2_get_wol,
	.set_wol		= bnx2_set_wol,
	.nway_reset		= bnx2_nway_reset,
7560
	.get_link		= bnx2_get_link,
7561 7562 7563 7564 7565 7566 7567 7568 7569 7570 7571
	.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,
7572
	.set_tx_csum		= bnx2_set_tx_csum,
7573
	.set_sg			= ethtool_op_set_sg,
M
Michael Chan 已提交
7574
	.set_tso		= bnx2_set_tso,
7575 7576 7577 7578
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
7579
	.get_sset_count		= bnx2_get_sset_count,
7580 7581 7582 7583 7584 7585
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
7586
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
7587
	struct bnx2 *bp = netdev_priv(dev);
7588 7589 7590 7591 7592 7593 7594 7595 7596 7597
	int err;

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

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

7598
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7599 7600
			return -EOPNOTSUPP;

7601 7602 7603
		if (!netif_running(dev))
			return -EAGAIN;

7604
		spin_lock_bh(&bp->phy_lock);
7605
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
7606
		spin_unlock_bh(&bp->phy_lock);
7607 7608 7609 7610 7611 7612 7613

		data->val_out = mii_regval;

		return err;
	}

	case SIOCSMIIREG:
7614
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7615 7616
			return -EOPNOTSUPP;

7617 7618 7619
		if (!netif_running(dev))
			return -EAGAIN;

7620
		spin_lock_bh(&bp->phy_lock);
7621
		err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
7622
		spin_unlock_bh(&bp->phy_lock);
7623 7624 7625 7626 7627 7628 7629 7630 7631 7632 7633 7634 7635 7636 7637

		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
7638
	struct bnx2 *bp = netdev_priv(dev);
7639

7640 7641 7642
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

7643 7644
	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
	if (netif_running(dev))
7645
		bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
7646 7647 7648 7649 7650 7651 7652 7653

	return 0;
}

/* Called with rtnl_lock */
static int
bnx2_change_mtu(struct net_device *dev, int new_mtu)
{
M
Michael Chan 已提交
7654
	struct bnx2 *bp = netdev_priv(dev);
7655 7656 7657 7658 7659 7660

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

	dev->mtu = new_mtu;
7661
	return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
7662 7663
}

A
Alexey Dobriyan 已提交
7664
#ifdef CONFIG_NET_POLL_CONTROLLER
7665 7666 7667
static void
poll_bnx2(struct net_device *dev)
{
M
Michael Chan 已提交
7668
	struct bnx2 *bp = netdev_priv(dev);
7669
	int i;
7670

7671
	for (i = 0; i < bp->irq_nvecs; i++) {
7672 7673 7674 7675 7676
		struct bnx2_irq *irq = &bp->irq_tbl[i];

		disable_irq(irq->vector);
		irq->handler(irq->vector, &bp->bnx2_napi[i]);
		enable_irq(irq->vector);
7677
	}
7678 7679 7680
}
#endif

7681 7682 7683 7684 7685 7686 7687 7688 7689 7690
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) {
7691
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7692 7693 7694 7695 7696 7697 7698 7699 7700 7701 7702 7703 7704
		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:
7705
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7706 7707 7708 7709 7710 7711 7712
			return;
		}
	} else {
		switch (strap) {
		case 0x1:
		case 0x2:
		case 0x4:
7713
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7714 7715 7716 7717 7718
			return;
		}
	}
}

7719 7720 7721 7722 7723 7724 7725 7726 7727
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;

7728
		bp->flags |= BNX2_FLAG_PCIX;
7729 7730 7731 7732 7733 7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748 7749 7750 7751 7752 7753 7754 7755 7756 7757 7758 7759 7760 7761 7762 7763 7764 7765 7766

		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)
7767
		bp->flags |= BNX2_FLAG_PCI_32BIT;
7768 7769 7770

}

7771 7772 7773
static void __devinit
bnx2_read_vpd_fw_ver(struct bnx2 *bp)
{
M
Matt Carlson 已提交
7774
	int rc, i, j;
7775
	u8 *data;
M
Matt Carlson 已提交
7776
	unsigned int block_end, rosize, len;
7777

M
Michael Chan 已提交
7778 7779
#define BNX2_VPD_NVRAM_OFFSET	0x300
#define BNX2_VPD_LEN		128
7780 7781 7782 7783 7784 7785
#define BNX2_MAX_VER_SLEN	30

	data = kmalloc(256, GFP_KERNEL);
	if (!data)
		return;

M
Michael Chan 已提交
7786 7787
	rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
			     BNX2_VPD_LEN);
7788 7789 7790
	if (rc)
		goto vpd_done;

M
Michael Chan 已提交
7791 7792 7793 7794 7795
	for (i = 0; i < BNX2_VPD_LEN; i += 4) {
		data[i] = data[i + BNX2_VPD_LEN + 3];
		data[i + 1] = data[i + BNX2_VPD_LEN + 2];
		data[i + 2] = data[i + BNX2_VPD_LEN + 1];
		data[i + 3] = data[i + BNX2_VPD_LEN];
7796 7797
	}

M
Matt Carlson 已提交
7798 7799 7800
	i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
	if (i < 0)
		goto vpd_done;
7801

M
Matt Carlson 已提交
7802 7803 7804
	rosize = pci_vpd_lrdt_size(&data[i]);
	i += PCI_VPD_LRDT_TAG_SIZE;
	block_end = i + rosize;
7805

M
Matt Carlson 已提交
7806 7807
	if (block_end > BNX2_VPD_LEN)
		goto vpd_done;
7808

M
Matt Carlson 已提交
7809 7810 7811 7812
	j = pci_vpd_find_info_keyword(data, i, rosize,
				      PCI_VPD_RO_KEYWORD_MFR_ID);
	if (j < 0)
		goto vpd_done;
7813

M
Matt Carlson 已提交
7814
	len = pci_vpd_info_field_size(&data[j]);
7815

M
Matt Carlson 已提交
7816 7817 7818 7819
	j += PCI_VPD_INFO_FLD_HDR_SIZE;
	if (j + len > block_end || len != 4 ||
	    memcmp(&data[j], "1028", 4))
		goto vpd_done;
7820

M
Matt Carlson 已提交
7821 7822 7823 7824
	j = pci_vpd_find_info_keyword(data, i, rosize,
				      PCI_VPD_RO_KEYWORD_VENDOR0);
	if (j < 0)
		goto vpd_done;
7825

M
Matt Carlson 已提交
7826
	len = pci_vpd_info_field_size(&data[j]);
7827

M
Matt Carlson 已提交
7828 7829
	j += PCI_VPD_INFO_FLD_HDR_SIZE;
	if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
7830
		goto vpd_done;
M
Matt Carlson 已提交
7831 7832 7833

	memcpy(bp->fw_version, &data[j], len);
	bp->fw_version[len] = ' ';
7834 7835 7836 7837 7838

vpd_done:
	kfree(data);
}

7839 7840 7841 7842 7843
static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
7844
	int rc, i, j;
7845
	u32 reg;
7846
	u64 dma_mask, persist_dma_mask;
7847 7848

	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
7849
	bp = netdev_priv(dev);
7850 7851 7852 7853

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

7854 7855 7856 7857 7858 7859 7860 7861
	bp->temp_stats_blk =
		kzalloc(sizeof(struct statistics_block), GFP_KERNEL);

	if (bp->temp_stats_blk == NULL) {
		rc = -ENOMEM;
		goto err_out;
	}

7862 7863 7864
	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
7865
		dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
7866 7867 7868 7869
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7870
		dev_err(&pdev->dev,
7871
			"Cannot find PCI device base address, aborting\n");
7872 7873 7874 7875 7876 7877
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
7878
		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
7879 7880 7881 7882
		goto err_out_disable;
	}

	pci_set_master(pdev);
W
Wendy Xiong 已提交
7883
	pci_save_state(pdev);
7884 7885 7886

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
7887
		dev_err(&pdev->dev,
7888
			"Cannot find power management capability, aborting\n");
7889 7890 7891 7892 7893 7894 7895 7896
		rc = -EIO;
		goto err_out_release;
	}

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

	spin_lock_init(&bp->phy_lock);
M
Michael Chan 已提交
7897
	spin_lock_init(&bp->indirect_lock);
7898 7899 7900
#ifdef BCM_CNIC
	mutex_init(&bp->cnic_lock);
#endif
D
David Howells 已提交
7901
	INIT_WORK(&bp->reset_task, bnx2_reset_task);
7902 7903

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7904
	mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
7905 7906 7907 7908 7909 7910
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

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

	if (!bp->regview) {
7911
		dev_err(&pdev->dev, "Cannot map register space, aborting\n");
7912 7913 7914 7915 7916 7917 7918 7919 7920 7921 7922 7923
		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);

7924
	bnx2_set_power_state(bp, PCI_D0);
7925 7926 7927

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

7928 7929 7930
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
			dev_err(&pdev->dev,
7931
				"Cannot find PCIE capability, aborting\n");
7932 7933 7934
			rc = -EIO;
			goto err_out_unmap;
		}
7935
		bp->flags |= BNX2_FLAG_PCIE;
7936
		if (CHIP_REV(bp) == CHIP_REV_Ax)
7937
			bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7938
	} else {
M
Michael Chan 已提交
7939 7940 7941
		bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
		if (bp->pcix_cap == 0) {
			dev_err(&pdev->dev,
7942
				"Cannot find PCIX capability, aborting\n");
M
Michael Chan 已提交
7943 7944 7945
			rc = -EIO;
			goto err_out_unmap;
		}
7946
		bp->flags |= BNX2_FLAG_BROKEN_STATS;
M
Michael Chan 已提交
7947 7948
	}

7949 7950
	if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7951
			bp->flags |= BNX2_FLAG_MSIX_CAP;
7952 7953
	}

7954 7955
	if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7956
			bp->flags |= BNX2_FLAG_MSI_CAP;
7957 7958
	}

7959 7960
	/* 5708 cannot support DMA addresses > 40-bit.  */
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
7961
		persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
7962
	else
7963
		persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
7964 7965 7966 7967 7968 7969 7970

	/* 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,
7971
				"pci_set_consistent_dma_mask failed, aborting\n");
7972 7973
			goto err_out_unmap;
		}
7974
	} else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
7975
		dev_err(&pdev->dev, "System does not support DMA, aborting\n");
7976 7977 7978
		goto err_out_unmap;
	}

7979
	if (!(bp->flags & BNX2_FLAG_PCIE))
7980
		bnx2_get_pci_speed(bp);
7981 7982 7983 7984 7985 7986 7987 7988

	/* 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) &&
7989
		!(bp->flags & BNX2_FLAG_PCIX)) {
7990

7991
		dev_err(&pdev->dev,
7992
			"5706 A1 can only be used in a PCIX bus, aborting\n");
7993 7994 7995 7996 7997
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

7998
	reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7999 8000

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
8001 8002 8003
	    BNX2_SHM_HDR_SIGNATURE_SIG) {
		u32 off = PCI_FUNC(pdev->devfn) << 2;

8004
		bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
8005
	} else
8006 8007
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

8008 8009 8010
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
8011
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
8012 8013 8014

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
8015
		dev_err(&pdev->dev, "Firmware not running, aborting\n");
8016 8017 8018 8019
		rc = -ENODEV;
		goto err_out_unmap;
	}

8020 8021 8022
	bnx2_read_vpd_fw_ver(bp);

	j = strlen(bp->fw_version);
8023
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
8024
	for (i = 0; i < 3 && j < 24; i++) {
8025 8026
		u8 num, k, skip0;

8027 8028 8029 8030 8031
		if (i == 0) {
			bp->fw_version[j++] = 'b';
			bp->fw_version[j++] = 'c';
			bp->fw_version[j++] = ' ';
		}
8032 8033 8034 8035 8036 8037 8038 8039 8040 8041
		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++] = '.';
	}
8042
	reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
M
Michael Chan 已提交
8043 8044 8045 8046
	if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
		bp->wol = 1;

	if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
8047
		bp->flags |= BNX2_FLAG_ASF_ENABLE;
8048 8049

		for (i = 0; i < 30; i++) {
8050
			reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
8051 8052 8053 8054 8055
			if (reg & BNX2_CONDITION_MFW_RUN_MASK)
				break;
			msleep(10);
		}
	}
8056
	reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
8057 8058 8059
	reg &= BNX2_CONDITION_MFW_RUN_MASK;
	if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
	    reg != BNX2_CONDITION_MFW_RUN_NONE) {
8060
		u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
8061

8062 8063 8064
		if (j < 32)
			bp->fw_version[j++] = ' ';
		for (i = 0; i < 3 && j < 28; i++) {
8065
			reg = bnx2_reg_rd_ind(bp, addr + i * 4);
8066 8067 8068 8069 8070
			reg = swab32(reg);
			memcpy(&bp->fw_version[j], &reg, 4);
			j += 4;
		}
	}
8071

8072
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
8073 8074 8075
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

8076
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
8077 8078 8079 8080 8081 8082
	bp->mac_addr[2] = (u8) (reg >> 24);
	bp->mac_addr[3] = (u8) (reg >> 16);
	bp->mac_addr[4] = (u8) (reg >> 8);
	bp->mac_addr[5] = (u8) reg;

	bp->tx_ring_size = MAX_TX_DESC_CNT;
8083
	bnx2_set_rx_ring_size(bp, 255);
8084 8085 8086

	bp->rx_csum = 1;

8087
	bp->tx_quick_cons_trip_int = 2;
8088
	bp->tx_quick_cons_trip = 20;
8089
	bp->tx_ticks_int = 18;
8090
	bp->tx_ticks = 80;
8091

8092 8093
	bp->rx_quick_cons_trip_int = 2;
	bp->rx_quick_cons_trip = 12;
8094 8095 8096
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

8097
	bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
8098

8099
	bp->current_interval = BNX2_TIMER_INTERVAL;
8100

M
Michael Chan 已提交
8101 8102
	bp->phy_addr = 1;

8103
	/* Disable WOL support if we are running on a SERDES chip. */
8104 8105 8106
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_get_5709_media(bp);
	else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
8107
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
M
Michael Chan 已提交
8108

8109
	bp->phy_port = PORT_TP;
8110
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
8111
		bp->phy_port = PORT_FIBRE;
8112
		reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
8113
		if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
8114
			bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
8115 8116
			bp->wol = 0;
		}
8117 8118 8119 8120 8121 8122 8123 8124 8125
		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
8126 8127
			bp->phy_addr = 2;
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
8128
				bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
M
Michael Chan 已提交
8129
		}
8130 8131
	} else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
		   CHIP_NUM(bp) == CHIP_NUM_5708)
8132
		bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
8133 8134 8135
	else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
		 (CHIP_REV(bp) == CHIP_REV_Ax ||
		  CHIP_REV(bp) == CHIP_REV_Bx))
8136
		bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
8137

8138 8139
	bnx2_init_fw_cap(bp);

8140 8141
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
M
Michael Chan 已提交
8142 8143
	    (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
	    !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
8144
		bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
8145 8146
		bp->wol = 0;
	}
M
Michael Chan 已提交
8147

8148 8149 8150 8151 8152 8153 8154 8155 8156 8157 8158 8159
	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;
	}

8160 8161 8162 8163 8164 8165 8166 8167
	/* 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
8168
	 * prefers to locally disable MSI rather than globally disabling it.
8169 8170 8171 8172 8173 8174 8175 8176
	 */
	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))) {

8177 8178
			if (amd_8132->revision >= 0x10 &&
			    amd_8132->revision <= 0x13) {
8179 8180 8181 8182 8183 8184 8185
				disable_msi = 1;
				pci_dev_put(amd_8132);
				break;
			}
		}
	}

8186
	bnx2_set_default_link(bp);
8187 8188
	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
8189
	init_timer(&bp->timer);
8190
	bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
M
Michael Chan 已提交
8191 8192 8193
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

8194 8195 8196 8197 8198
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
8199
		bp->regview = NULL;
8200 8201 8202 8203 8204 8205 8206 8207 8208 8209 8210 8211 8212
	}

err_out_release:
	pci_release_regions(pdev);

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

err_out:
	return rc;
}

8213 8214 8215 8216 8217
static char * __devinit
bnx2_bus_string(struct bnx2 *bp, char *str)
{
	char *s = str;

8218
	if (bp->flags & BNX2_FLAG_PCIE) {
8219 8220 8221
		s += sprintf(s, "PCI Express");
	} else {
		s += sprintf(s, "PCI");
8222
		if (bp->flags & BNX2_FLAG_PCIX)
8223
			s += sprintf(s, "-X");
8224
		if (bp->flags & BNX2_FLAG_PCI_32BIT)
8225 8226 8227 8228 8229 8230 8231 8232
			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
8233 8234 8235 8236 8237 8238 8239 8240 8241 8242
static void
bnx2_del_napi(struct bnx2 *bp)
{
	int i;

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

static void
8243 8244
bnx2_init_napi(struct bnx2 *bp)
{
8245
	int i;
8246

B
Benjamin Li 已提交
8247
	for (i = 0; i < bp->irq_nvecs; i++) {
8248 8249 8250 8251 8252 8253
		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
		int (*poll)(struct napi_struct *, int);

		if (i == 0)
			poll = bnx2_poll;
		else
8254
			poll = bnx2_poll_msix;
8255 8256

		netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
8257 8258
		bnapi->bp = bp;
	}
8259 8260
}

8261 8262 8263 8264 8265 8266 8267 8268 8269 8270 8271 8272 8273 8274
static const struct net_device_ops bnx2_netdev_ops = {
	.ndo_open		= bnx2_open,
	.ndo_start_xmit		= bnx2_start_xmit,
	.ndo_stop		= bnx2_close,
	.ndo_get_stats		= bnx2_get_stats,
	.ndo_set_rx_mode	= bnx2_set_rx_mode,
	.ndo_do_ioctl		= bnx2_ioctl,
	.ndo_validate_addr	= eth_validate_addr,
	.ndo_set_mac_address	= bnx2_change_mac_addr,
	.ndo_change_mtu		= bnx2_change_mtu,
	.ndo_tx_timeout		= bnx2_tx_timeout,
#ifdef BCM_VLAN
	.ndo_vlan_rx_register	= bnx2_vlan_rx_register,
#endif
A
Alexey Dobriyan 已提交
8275
#ifdef CONFIG_NET_POLL_CONTROLLER
8276 8277 8278 8279
	.ndo_poll_controller	= poll_bnx2,
#endif
};

E
Eric Dumazet 已提交
8280 8281 8282 8283 8284 8285 8286
static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
{
#ifdef BCM_VLAN
	dev->vlan_features |= flags;
#endif
}

8287 8288 8289 8290 8291 8292
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;
8293
	int rc;
8294
	char str[40];
8295 8296

	if (version_printed++ == 0)
8297
		pr_info("%s", version);
8298 8299

	/* dev zeroed in init_etherdev */
B
Benjamin Li 已提交
8300
	dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
8301 8302 8303 8304 8305 8306 8307 8308 8309 8310

	if (!dev)
		return -ENOMEM;

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

8311
	dev->netdev_ops = &bnx2_netdev_ops;
8312 8313 8314
	dev->watchdog_timeo = TX_TIMEOUT;
	dev->ethtool_ops = &bnx2_ethtool_ops;

M
Michael Chan 已提交
8315
	bp = netdev_priv(dev);
8316

8317 8318
	pci_set_drvdata(pdev, dev);

M
Michael Chan 已提交
8319 8320 8321 8322
	rc = bnx2_request_firmware(bp);
	if (rc)
		goto error;

8323 8324 8325
	memcpy(dev->dev_addr, bp->mac_addr, 6);
	memcpy(dev->perm_addr, bp->mac_addr, 6);

M
Michael Chan 已提交
8326
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_GRO;
E
Eric Dumazet 已提交
8327 8328
	vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
8329
		dev->features |= NETIF_F_IPV6_CSUM;
E
Eric Dumazet 已提交
8330 8331
		vlan_features_add(dev, NETIF_F_IPV6_CSUM);
	}
8332 8333 8334 8335
#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;
E
Eric Dumazet 已提交
8336 8337
	vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
8338
		dev->features |= NETIF_F_TSO6;
E
Eric Dumazet 已提交
8339 8340
		vlan_features_add(dev, NETIF_F_TSO6);
	}
8341
	if ((rc = register_netdev(dev))) {
8342
		dev_err(&pdev->dev, "Cannot register net device\n");
M
Michael Chan 已提交
8343
		goto error;
8344 8345
	}

8346 8347 8348 8349 8350 8351 8352
	netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n",
		    board_info[ent->driver_data].name,
		    ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		    ((CHIP_ID(bp) & 0x0ff0) >> 4),
		    bnx2_bus_string(bp, str),
		    dev->base_addr,
		    bp->pdev->irq, dev->dev_addr);
8353 8354

	return 0;
M
Michael Chan 已提交
8355 8356 8357 8358 8359 8360 8361 8362 8363 8364 8365 8366 8367 8368

error:
	if (bp->mips_firmware)
		release_firmware(bp->mips_firmware);
	if (bp->rv2p_firmware)
		release_firmware(bp->rv2p_firmware);

	if (bp->regview)
		iounmap(bp->regview);
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
	free_netdev(dev);
	return rc;
8369 8370 8371 8372 8373 8374
}

static void __devexit
bnx2_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8375
	struct bnx2 *bp = netdev_priv(dev);
8376

8377 8378
	flush_scheduled_work();

8379 8380
	unregister_netdev(dev);

M
Michael Chan 已提交
8381 8382 8383 8384 8385
	if (bp->mips_firmware)
		release_firmware(bp->mips_firmware);
	if (bp->rv2p_firmware)
		release_firmware(bp->rv2p_firmware);

8386 8387 8388
	if (bp->regview)
		iounmap(bp->regview);

8389 8390
	kfree(bp->temp_stats_blk);

8391 8392 8393 8394 8395 8396 8397
	free_netdev(dev);
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

static int
8398
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
8399 8400
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8401
	struct bnx2 *bp = netdev_priv(dev);
8402

8403 8404 8405 8406 8407
	/* 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);
8408 8409 8410
	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
8411
	flush_scheduled_work();
8412
	bnx2_netif_stop(bp, true);
8413 8414
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
8415
	bnx2_shutdown_chip(bp);
8416
	bnx2_free_skbs(bp);
8417
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
8418 8419 8420 8421 8422 8423 8424
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8425
	struct bnx2 *bp = netdev_priv(dev);
8426

8427
	pci_restore_state(pdev);
8428 8429 8430
	if (!netif_running(dev))
		return 0;

8431
	bnx2_set_power_state(bp, PCI_D0);
8432
	netif_device_attach(dev);
8433
	bnx2_init_nic(bp, 1);
8434
	bnx2_netif_start(bp, true);
8435 8436 8437
	return 0;
}

W
Wendy Xiong 已提交
8438 8439 8440 8441 8442 8443 8444 8445 8446 8447 8448 8449 8450 8451 8452 8453 8454
/**
 * bnx2_io_error_detected - called when PCI error is detected
 * @pdev: Pointer to PCI device
 * @state: The current pci connection state
 *
 * This function is called after a PCI bus error affecting
 * this device has been detected.
 */
static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
					       pci_channel_state_t state)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2 *bp = netdev_priv(dev);

	rtnl_lock();
	netif_device_detach(dev);

8455 8456 8457 8458 8459
	if (state == pci_channel_io_perm_failure) {
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

W
Wendy Xiong 已提交
8460
	if (netif_running(dev)) {
8461
		bnx2_netif_stop(bp, true);
W
Wendy Xiong 已提交
8462 8463 8464 8465 8466 8467 8468 8469 8470 8471 8472 8473 8474 8475 8476 8477 8478 8479 8480 8481 8482 8483 8484 8485 8486
		del_timer_sync(&bp->timer);
		bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
	}

	pci_disable_device(pdev);
	rtnl_unlock();

	/* Request a slot slot reset. */
	return PCI_ERS_RESULT_NEED_RESET;
}

/**
 * bnx2_io_slot_reset - called after the pci bus has been reset.
 * @pdev: Pointer to PCI device
 *
 * Restart the card from scratch, as if from a cold-boot.
 */
static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2 *bp = netdev_priv(dev);

	rtnl_lock();
	if (pci_enable_device(pdev)) {
		dev_err(&pdev->dev,
8487
			"Cannot re-enable PCI device after reset\n");
W
Wendy Xiong 已提交
8488 8489 8490 8491 8492
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}
	pci_set_master(pdev);
	pci_restore_state(pdev);
B
Breno Leitao 已提交
8493
	pci_save_state(pdev);
W
Wendy Xiong 已提交
8494 8495 8496 8497 8498 8499 8500 8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512 8513 8514 8515 8516 8517

	if (netif_running(dev)) {
		bnx2_set_power_state(bp, PCI_D0);
		bnx2_init_nic(bp, 1);
	}

	rtnl_unlock();
	return PCI_ERS_RESULT_RECOVERED;
}

/**
 * bnx2_io_resume - called when traffic can start flowing again.
 * @pdev: Pointer to PCI device
 *
 * This callback is called when the error recovery driver tells us that
 * its OK to resume normal operation.
 */
static void bnx2_io_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2 *bp = netdev_priv(dev);

	rtnl_lock();
	if (netif_running(dev))
8518
		bnx2_netif_start(bp, true);
W
Wendy Xiong 已提交
8519 8520 8521 8522 8523 8524 8525 8526 8527 8528 8529

	netif_device_attach(dev);
	rtnl_unlock();
}

static struct pci_error_handlers bnx2_err_handler = {
	.error_detected	= bnx2_io_error_detected,
	.slot_reset	= bnx2_io_slot_reset,
	.resume		= bnx2_io_resume,
};

8530
static struct pci_driver bnx2_pci_driver = {
8531 8532 8533 8534 8535 8536
	.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,
W
Wendy Xiong 已提交
8537
	.err_handler	= &bnx2_err_handler,
8538 8539 8540 8541
};

static int __init bnx2_init(void)
{
8542
	return pci_register_driver(&bnx2_pci_driver);
8543 8544 8545 8546 8547 8548 8549 8550 8551 8552 8553 8554
}

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

module_init(bnx2_init);
module_exit(bnx2_cleanup);