bnx2.c 205.5 KB
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/* bnx2.c: Broadcom NX2 network driver.
 *
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 * Copyright (c) 2004-2009 Broadcom Corporation
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 * Written by: Michael Chan  (mchan@broadcom.com)
 */

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#include <linux/module.h>
#include <linux/moduleparam.h>

#include <linux/kernel.h>
#include <linux/timer.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/dma-mapping.h>
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#include <linux/bitops.h>
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#include <asm/io.h>
#include <asm/irq.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
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#include <asm/page.h>
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#include <linux/time.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#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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#include <linux/list.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"
#define PFX DRV_MODULE_NAME	": "
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#define DRV_MODULE_VERSION	"2.0.3"
#define DRV_MODULE_RELDATE	"Dec 03, 2009"
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#define FW_MIPS_FILE_06		"bnx2/bnx2-mips-06-5.0.0.j3.fw"
#define FW_RV2P_FILE_06		"bnx2/bnx2-rv2p-06-5.0.0.j3.fw"
#define FW_MIPS_FILE_09		"bnx2/bnx2-mips-09-5.0.0.j3.fw"
#define FW_RV2P_FILE_09_Ax	"bnx2/bnx2-rv2p-09ax-5.0.0.j3.fw"
#define FW_RV2P_FILE_09		"bnx2/bnx2-rv2p-09-5.0.0.j3.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 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;

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	mutex_lock(&bp->cnic_lock);
	c_ops = bp->cnic_ops;
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	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);
	}
462
	mutex_unlock(&bp->cnic_lock);
463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478
}

#else

static void
bnx2_cnic_stop(struct bnx2 *bp)
{
}

static void
bnx2_cnic_start(struct bnx2 *bp)
{
}

#endif

479 480 481 482 483 484
static int
bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
{
	u32 val1;
	int i, ret;

485
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522
		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;
	}

523
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541
		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;

542
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
543 544 545 546 547 548 549 550 551 552 553 554 555
		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);
556

557 558 559 560 561 562 563 564 565 566 567 568 569 570 571
	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;

572
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
573 574 575 576 577 578 579 580 581 582 583 584 585 586 587
		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)
{
588 589 590 591 592 593 594 595
	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);
	}
596 597 598 599 600 601
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
}

static void
bnx2_enable_int(struct bnx2 *bp)
{
602 603
	int i;
	struct bnx2_napi *bnapi;
604

605 606
	for (i = 0; i < bp->irq_nvecs; i++) {
		bnapi = &bp->bnx2_napi[i];
607

608 609 610 611
		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);
612

613 614 615 616
		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
617
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
618 619 620 621 622
}

static void
bnx2_disable_int_sync(struct bnx2 *bp)
{
623 624
	int i;

625
	atomic_inc(&bp->intr_sem);
626 627 628
	if (!netif_running(bp->dev))
		return;

629
	bnx2_disable_int(bp);
630 631
	for (i = 0; i < bp->irq_nvecs; i++)
		synchronize_irq(bp->irq_tbl[i].vector);
632 633
}

634 635 636
static void
bnx2_napi_disable(struct bnx2 *bp)
{
637 638 639 640
	int i;

	for (i = 0; i < bp->irq_nvecs; i++)
		napi_disable(&bp->bnx2_napi[i].napi);
641 642 643 644 645
}

static void
bnx2_napi_enable(struct bnx2 *bp)
{
646 647 648 649
	int i;

	for (i = 0; i < bp->irq_nvecs; i++)
		napi_enable(&bp->bnx2_napi[i].napi);
650 651
}

652 653 654
static void
bnx2_netif_stop(struct bnx2 *bp)
{
655
	bnx2_cnic_stop(bp);
656
	if (netif_running(bp->dev)) {
657 658
		int i;

659
		bnx2_napi_disable(bp);
660
		netif_tx_disable(bp->dev);
661 662 663 664 665 666 667
		/* prevent tx timeout */
		for (i = 0; i <  bp->dev->num_tx_queues; i++) {
			struct netdev_queue *txq;

			txq = netdev_get_tx_queue(bp->dev, i);
			txq->trans_start = jiffies;
		}
668
	}
669
	bnx2_disable_int_sync(bp);
670 671 672 673 674 675 676
}

static void
bnx2_netif_start(struct bnx2 *bp)
{
	if (atomic_dec_and_test(&bp->intr_sem)) {
		if (netif_running(bp->dev)) {
B
Benjamin Li 已提交
677
			netif_tx_wake_all_queues(bp->dev);
678
			bnx2_napi_enable(bp);
679
			bnx2_enable_int(bp);
680
			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);
M
Michael Chan 已提交
983 984
		printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
		       bnx2_xceiver_str(bp));
985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007

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

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

		if (bp->flow_ctrl) {
			if (bp->flow_ctrl & FLOW_CTRL_RX) {
				printk(", receive ");
				if (bp->flow_ctrl & FLOW_CTRL_TX)
					printk("& transmit ");
			}
			else {
				printk(", transmit ");
			}
			printk("flow control ON");
		}
		printk("\n");
	}
	else {
		netif_carrier_off(bp->dev);
M
Michael Chan 已提交
1008 1009
		printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
		       bnx2_xceiver_str(bp));
1010
	}
1011 1012

	bnx2_report_fw_link(bp);
1013 1014 1015 1016 1017 1018 1019 1020
}

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

	bp->flow_ctrl = 0;
1021
	if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033
		(AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {

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

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

1034
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
M
Michael Chan 已提交
1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045
	    (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;
	}

1046 1047
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1048

1049
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
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 1085 1086 1087 1088 1089 1090
		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;
		}
	}
}

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 1124 1125 1126 1127 1128 1129
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;
}

1130
static int
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1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160
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)
1161 1162 1163 1164 1165 1166
{
	u32 bmcr, local_adv, remote_adv, common;

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

1167
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178
	if (bmcr & BMCR_FULLDPLX) {
		bp->duplex = DUPLEX_FULL;
	}
	else {
		bp->duplex = DUPLEX_HALF;
	}

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

1179 1180
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200

	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;

1201
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217
	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 {
1218 1219
			bnx2_read_phy(bp, bp->mii_adv, &local_adv);
			bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
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 1256 1257 1258 1259 1260 1261

			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;
}

1262
static void
1263
bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
1264
{
1265
	u32 val, rx_cid_addr = GET_CID_ADDR(cid);
1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297

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

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

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

		hi_water = bp->rx_ring_size / 4;

		if (hi_water <= lo_water)
			lo_water = 0;

		hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
		lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;

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

1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310
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);
	}
}

1311
static void
1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325
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);
1328 1329

	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;
		}
1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374
	}
	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);

1375
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
1376
		bnx2_init_all_rx_contexts(bp);
1377 1378
}

1379 1380 1381
static void
bnx2_enable_bmsr1(struct bnx2 *bp)
{
1382
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1383 1384 1385 1386 1387 1388 1389 1390
	    (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)
{
1391
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1392 1393 1394 1395 1396
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
}

1397 1398 1399 1400 1401 1402
static int
bnx2_test_and_enable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 1;

1403
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1404 1405 1406 1407 1408
		return 0;

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

1409 1410 1411
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1412 1413 1414 1415 1416 1417 1418
	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;
	}

1419 1420 1421 1422
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1423 1424 1425 1426 1427 1428 1429 1430 1431
	return ret;
}

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

1432
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1433 1434
		return 0;

1435 1436 1437
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1438 1439 1440 1441 1442 1443 1444
	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;
	}

1445 1446 1447 1448
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1449 1450 1451 1452 1453 1454 1455 1456
	return ret;
}

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

1457
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1458 1459
		return;

1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474
	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) {
1475 1476
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr |= BCM5708S_BMCR_FORCE_2500;
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	} else {
		return;
1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493
	}

	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;

1494
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1495 1496
		return;

1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510
	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) {
1511 1512
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr &= ~BCM5708S_BMCR_FORCE_2500;
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	} else {
		return;
1515 1516 1517 1518 1519 1520 1521
	}

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

1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534
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);
}

1535 1536 1537 1538 1539 1540
static int
bnx2_set_link(struct bnx2 *bp)
{
	u32 bmsr;
	u8 link_up;

M
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1541
	if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1542 1543 1544 1545
		bp->link_up = 1;
		return 0;
	}

1546
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1547 1548
		return 0;

1549 1550
	link_up = bp->link_up;

1551 1552 1553 1554
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
1555

1556
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1557
	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1558
		u32 val, an_dbg;
1559

1560
		if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1561
			bnx2_5706s_force_link_dn(bp, 0);
1562
			bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1563
		}
1564
		val = REG_RD(bp, BNX2_EMAC_STATUS);
1565 1566 1567 1568 1569 1570 1571

		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))
1572 1573 1574 1575 1576 1577 1578 1579
			bmsr |= BMSR_LSTATUS;
		else
			bmsr &= ~BMSR_LSTATUS;
	}

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

1580
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
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			if (CHIP_NUM(bp) == CHIP_NUM_5706)
				bnx2_5706s_linkup(bp);
			else if (CHIP_NUM(bp) == CHIP_NUM_5708)
				bnx2_5708s_linkup(bp);
1585 1586
			else if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bnx2_5709s_linkup(bp);
1587 1588 1589 1590 1591 1592 1593
		}
		else {
			bnx2_copper_linkup(bp);
		}
		bnx2_resolve_flow_ctrl(bp);
	}
	else {
1594
		if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1595 1596
		    (bp->autoneg & AUTONEG_SPEED))
			bnx2_disable_forced_2g5(bp);
1597

1598
		if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1599 1600 1601 1602 1603 1604
			u32 bmcr;

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

1605
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1606
		}
1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624
		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;

1625
        bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1626 1627 1628 1629 1630

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

1631
		bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650
		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)) {

1651
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1652 1653 1654 1655 1656 1657 1658
			adv = ADVERTISE_1000XPAUSE;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1659
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1660 1661 1662 1663 1664 1665 1666
			adv = ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_ASYM;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1667
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1668 1669 1670 1671 1672 1673 1674 1675 1676
			adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
		}
	}
	return adv;
}

1677
static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
1678

1679
static int
1680
bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1681 1682
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721
{
	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;
1722
	if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1723 1724 1725 1726 1727 1728
		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;

1729
	bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1730 1731

	spin_unlock_bh(&bp->phy_lock);
1732
	bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
1733 1734 1735 1736 1737 1738 1739
	spin_lock_bh(&bp->phy_lock);

	return 0;
}

static int
bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1740 1741
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
1742
{
1743
	u32 adv, bmcr;
1744 1745
	u32 new_adv = 0;

1746
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1747 1748
		return (bnx2_setup_remote_phy(bp, port));

1749 1750
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		u32 new_bmcr;
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Michael Chan 已提交
1751 1752
		int force_link_down = 0;

1753 1754 1755 1756 1757 1758 1759
		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;
		}
1760
		bnx2_read_phy(bp, bp->mii_adv, &adv);
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Michael Chan 已提交
1761 1762
		adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);

1763
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1764
		new_bmcr = bmcr & ~BMCR_ANENABLE;
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Michael Chan 已提交
1765
		new_bmcr |= BMCR_SPEED1000;
1766

1767 1768 1769 1770 1771 1772 1773 1774 1775
		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) {
1776 1777 1778 1779
			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
1780 1781
		}

1782
		if (bp->req_duplex == DUPLEX_FULL) {
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Michael Chan 已提交
1783
			adv |= ADVERTISE_1000XFULL;
1784 1785 1786
			new_bmcr |= BMCR_FULLDPLX;
		}
		else {
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Michael Chan 已提交
1787
			adv |= ADVERTISE_1000XHALF;
1788 1789
			new_bmcr &= ~BMCR_FULLDPLX;
		}
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Michael Chan 已提交
1790
		if ((new_bmcr != bmcr) || (force_link_down)) {
1791 1792
			/* Force a link down visible on the other side */
			if (bp->link_up) {
1793
				bnx2_write_phy(bp, bp->mii_adv, adv &
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Michael Chan 已提交
1794 1795
					       ~(ADVERTISE_1000XFULL |
						 ADVERTISE_1000XHALF));
1796
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1797 1798 1799 1800
					BMCR_ANRESTART | BMCR_ANENABLE);

				bp->link_up = 0;
				netif_carrier_off(bp->dev);
1801
				bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
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Michael Chan 已提交
1802
				bnx2_report_link(bp);
1803
			}
1804 1805
			bnx2_write_phy(bp, bp->mii_adv, adv);
			bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1806 1807 1808
		} else {
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
1809 1810 1811 1812
		}
		return 0;
	}

1813
	bnx2_test_and_enable_2g5(bp);
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Michael Chan 已提交
1814

1815 1816 1817 1818 1819
	if (bp->advertising & ADVERTISED_1000baseT_Full)
		new_adv |= ADVERTISE_1000XFULL;

	new_adv |= bnx2_phy_get_pause_adv(bp);

1820 1821
	bnx2_read_phy(bp, bp->mii_adv, &adv);
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1822 1823 1824 1825 1826

	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) {
1827
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
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Michael Chan 已提交
1828 1829 1830
			spin_unlock_bh(&bp->phy_lock);
			msleep(20);
			spin_lock_bh(&bp->phy_lock);
1831 1832
		}

1833 1834
		bnx2_write_phy(bp, bp->mii_adv, new_adv);
		bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1835
			BMCR_ANENABLE);
1836 1837 1838 1839 1840 1841 1842 1843
		/* 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
1844
		bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
1845 1846
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
1847 1848 1849
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1850 1851 1852 1853 1854 1855
	}

	return 0;
}

#define ETHTOOL_ALL_FIBRE_SPEED						\
1856
	(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ?			\
1857 1858
		(ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
		(ADVERTISED_1000baseT_Full)
1859 1860 1861 1862 1863 1864 1865 1866

#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)
1867

1868 1869
#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)

1870 1871 1872 1873 1874 1875
static void
bnx2_set_default_remote_link(struct bnx2 *bp)
{
	u32 link;

	if (bp->phy_port == PORT_TP)
1876
		link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1877
	else
1878
		link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
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 1911 1912 1913 1914 1915 1916

	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;
	}
}

1917 1918 1919
static void
bnx2_set_default_link(struct bnx2 *bp)
{
1920 1921 1922 1923
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
		bnx2_set_default_remote_link(bp);
		return;
	}
1924

1925 1926
	bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
	bp->req_line_speed = 0;
1927
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1928 1929 1930 1931
		u32 reg;

		bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;

1932
		reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1933 1934 1935 1936 1937 1938 1939 1940 1941 1942
		reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
		if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
			bp->autoneg = 0;
			bp->req_line_speed = bp->line_speed = SPEED_1000;
			bp->req_duplex = DUPLEX_FULL;
		}
	} else
		bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
}

M
Michael Chan 已提交
1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956
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);
}

1957 1958 1959 1960 1961 1962 1963
static void
bnx2_remote_phy_event(struct bnx2 *bp)
{
	u32 msg;
	u8 link_up = bp->link_up;
	u8 old_port;

1964
	msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1965

M
Michael Chan 已提交
1966 1967 1968 1969 1970
	if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
		bnx2_send_heart_beat(bp);

	msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;

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 2033 2034 2035 2036 2037 2038
	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;

2039
	evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
2040 2041 2042 2043 2044 2045
	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
2046
			bnx2_send_heart_beat(bp);
2047 2048 2049 2050 2051
			break;
	}
	return 0;
}

2052 2053
static int
bnx2_setup_copper_phy(struct bnx2 *bp)
2054 2055
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2056 2057 2058 2059
{
	u32 bmcr;
	u32 new_bmcr;

2060
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
2061 2062 2063 2064 2065 2066

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

2067
		bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083
		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;
2084

2085 2086 2087 2088 2089 2090 2091 2092
		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)) {

2093
			bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
2094
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
2095
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117
				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;

2118 2119
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2120

2121 2122
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
2123
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
2124 2125 2126 2127
			spin_unlock_bh(&bp->phy_lock);
			msleep(50);
			spin_lock_bh(&bp->phy_lock);

2128 2129
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2130 2131
		}

2132
		bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143

		/* 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);
		}
2144 2145 2146
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
2147 2148 2149 2150 2151
	}
	return 0;
}

static int
2152
bnx2_setup_phy(struct bnx2 *bp, u8 port)
2153 2154
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2155 2156 2157 2158
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

2159
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2160
		return (bnx2_setup_serdes_phy(bp, port));
2161 2162 2163 2164 2165 2166
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

2167
static int
2168
bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182
{
	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);
2183 2184
	if (reset_phy)
		bnx2_reset_phy(bp);
2185 2186 2187 2188 2189 2190 2191 2192 2193 2194

	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);
2195
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216
		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;
}

2217
static int
2218
bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
M
Michael Chan 已提交
2219 2220 2221
{
	u32 val;

2222 2223
	if (reset_phy)
		bnx2_reset_phy(bp);
2224 2225 2226

	bp->mii_up1 = BCM5708S_UP1;

M
Michael Chan 已提交
2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238
	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);

2239
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
M
Michael Chan 已提交
2240 2241 2242 2243 2244 2245
		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
2246 2247
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
2248 2249 2250 2251 2252 2253 2254 2255 2256
		/* 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);
	}

2257
	val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
M
Michael Chan 已提交
2258 2259 2260 2261 2262
	      BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;

	if (val) {
		u32 is_backplane;

2263
		is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275
		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
2276
bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
2277
{
2278 2279
	if (reset_phy)
		bnx2_reset_phy(bp);
2280

2281
	bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
2282

M
Michael Chan 已提交
2283 2284
	if (CHIP_NUM(bp) == CHIP_NUM_5706)
        	REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313

	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
2314
bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2315
{
M
Michael Chan 已提交
2316 2317
	u32 val;

2318 2319
	if (reset_phy)
		bnx2_reset_phy(bp);
2320

2321
	if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2322 2323 2324 2325 2326 2327 2328 2329 2330 2331
		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);
	}

2332
	if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2333 2334 2335 2336 2337 2338 2339
		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);
	}

2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357
	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
2358 2359 2360 2361
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2362 2363 2364 2365 2366
	return 0;
}


static int
2367
bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2368 2369
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2370 2371 2372 2373
{
	u32 val;
	int rc = 0;

2374 2375
	bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
	bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2376

2377 2378
	bp->mii_bmcr = MII_BMCR;
	bp->mii_bmsr = MII_BMSR;
2379
	bp->mii_bmsr1 = MII_BMSR;
2380 2381 2382
	bp->mii_adv = MII_ADVERTISE;
	bp->mii_lpa = MII_LPA;

2383 2384
        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

2385
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2386 2387
		goto setup_phy;

2388 2389 2390 2391 2392
	bnx2_read_phy(bp, MII_PHYSID1, &val);
	bp->phy_id = val << 16;
	bnx2_read_phy(bp, MII_PHYSID2, &val);
	bp->phy_id |= val & 0xffff;

2393
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
M
Michael Chan 已提交
2394
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
2395
			rc = bnx2_init_5706s_phy(bp, reset_phy);
M
Michael Chan 已提交
2396
		else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2397
			rc = bnx2_init_5708s_phy(bp, reset_phy);
2398
		else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2399
			rc = bnx2_init_5709s_phy(bp, reset_phy);
2400 2401
	}
	else {
2402
		rc = bnx2_init_copper_phy(bp, reset_phy);
2403 2404
	}

2405 2406 2407
setup_phy:
	if (!rc)
		rc = bnx2_setup_phy(bp, bp->phy_port);
2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424

	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
2425 2426 2427 2428 2429 2430 2431 2432 2433
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);
2434
	rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
M
Michael Chan 已提交
2435 2436 2437 2438 2439 2440 2441 2442
			    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
2443
		msleep(100);
M
Michael Chan 已提交
2444 2445 2446 2447 2448
	}

	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
2449
		      BNX2_EMAC_MODE_25G_MODE);
M
Michael Chan 已提交
2450 2451 2452 2453 2454 2455 2456

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

2457
static int
2458
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
2459 2460 2461 2462 2463 2464 2465
{
	int i;
	u32 val;

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

2466
	bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2467

2468 2469 2470
	if (!ack)
		return 0;

2471
	/* wait for an acknowledgement. */
M
Michael Chan 已提交
2472
	for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
2473
		msleep(10);
2474

2475
		val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2476 2477 2478 2479

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
2480 2481
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
2482 2483

	/* If we timed out, inform the firmware that this is the case. */
2484 2485 2486 2487
	if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
		if (!silent)
			printk(KERN_ERR PFX "fw sync timeout, reset code = "
					    "%x\n", msg_data);
2488 2489 2490 2491

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

2492
		bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2493 2494 2495 2496

		return -EBUSY;
	}

2497 2498 2499
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

2500 2501 2502
	return 0;
}

M
Michael Chan 已提交
2503 2504 2505 2506 2507 2508 2509 2510 2511
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);
2512 2513 2514 2515 2516 2517 2518 2519 2520
	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
2521 2522 2523
	for (i = 0; i < bp->ctx_pages; i++) {
		int j;

2524 2525 2526 2527 2528
		if (bp->ctx_blk[i])
			memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
		else
			return -ENOMEM;

M
Michael Chan 已提交
2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550
		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;
}

2551 2552 2553 2554 2555 2556 2557 2558
static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;
2559
		int i;
2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579

		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;
		}

2580 2581 2582
		for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
			vcid_addr += (i << PHY_CTX_SHIFT);
			pcid_addr += (i << PHY_CTX_SHIFT);
2583

2584
			REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2585
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2586

2587 2588
			/* Zero out the context. */
			for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
M
Michael Chan 已提交
2589
				bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2590
		}
2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613
	}
}

static int
bnx2_alloc_bad_rbuf(struct bnx2 *bp)
{
	u16 *good_mbuf;
	u32 good_mbuf_cnt;
	u32 val;

	good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
	if (good_mbuf == NULL) {
		printk(KERN_ERR PFX "Failed to allocate memory in "
				    "bnx2_alloc_bad_rbuf\n");
		return -ENOMEM;
	}

	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
		BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);

	good_mbuf_cnt = 0;

	/* Allocate a bunch of mbufs and save the good ones in an array. */
2614
	val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2615
	while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2616 2617
		bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
				BNX2_RBUF_COMMAND_ALLOC_REQ);
2618

2619
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2620 2621 2622 2623 2624 2625 2626 2627 2628

		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++;
		}

2629
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2630 2631 2632 2633 2634 2635 2636 2637 2638 2639
	}

	/* 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;

2640
		bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2641 2642 2643 2644 2645 2646
	}
	kfree(good_mbuf);
	return 0;
}

static void
2647
bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
2648 2649 2650 2651 2652
{
	u32 val;

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

2653
	REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
2654

2655
	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2656 2657
		(mac_addr[4] << 8) | mac_addr[5];

2658
	REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
2659 2660
}

2661
static inline int
2662
bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2663 2664
{
	dma_addr_t mapping;
2665
	struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2666
	struct rx_bd *rxbd =
2667
		&rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2668 2669 2670 2671 2672 2673
	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
2674 2675 2676 2677 2678
	if (pci_dma_mapping_error(bp->pdev, mapping)) {
		__free_page(page);
		return -EIO;
	}

2679 2680 2681 2682 2683 2684 2685 2686
	rx_pg->page = page;
	pci_unmap_addr_set(rx_pg, mapping, mapping);
	rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
	rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
	return 0;
}

static void
2687
bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2688
{
2689
	struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701
	struct page *page = rx_pg->page;

	if (!page)
		return;

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

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

2702
static inline int
2703
bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2704 2705
{
	struct sk_buff *skb;
2706
	struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
2707
	dma_addr_t mapping;
2708
	struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2709 2710
	unsigned long align;

2711
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2712 2713 2714 2715
	if (skb == NULL) {
		return -ENOMEM;
	}

M
Michael Chan 已提交
2716 2717
	if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
		skb_reserve(skb, BNX2_RX_ALIGN - align);
2718 2719 2720

	mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
		PCI_DMA_FROMDEVICE);
B
Benjamin Li 已提交
2721 2722 2723 2724
	if (pci_dma_mapping_error(bp->pdev, mapping)) {
		dev_kfree_skb(skb);
		return -EIO;
	}
2725 2726 2727 2728 2729 2730 2731

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

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

2732
	rxr->rx_prod_bseq += bp->rx_buf_use_size;
2733 2734 2735 2736

	return 0;
}

2737
static int
2738
bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2739
{
2740
	struct status_block *sblk = bnapi->status_blk.msi;
2741
	u32 new_link_state, old_link_state;
2742
	int is_set = 1;
2743

2744 2745
	new_link_state = sblk->status_attn_bits & event;
	old_link_state = sblk->status_attn_bits_ack & event;
2746
	if (new_link_state != old_link_state) {
2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757
		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
2758
bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2759
{
M
Michael Chan 已提交
2760 2761 2762
	spin_lock(&bp->phy_lock);

	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2763
		bnx2_set_link(bp);
2764
	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2765 2766
		bnx2_set_remote_link(bp);

M
Michael Chan 已提交
2767 2768
	spin_unlock(&bp->phy_lock);

2769 2770
}

2771
static inline u16
2772
bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2773 2774 2775
{
	u16 cons;

2776 2777 2778
	/* Tell compiler that status block fields can change. */
	barrier();
	cons = *bnapi->hw_tx_cons_ptr;
2779
	barrier();
2780 2781 2782 2783 2784
	if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
		cons++;
	return cons;
}

M
Michael Chan 已提交
2785 2786
static int
bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2787
{
2788
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
2789
	u16 hw_cons, sw_cons, sw_ring_cons;
B
Benjamin Li 已提交
2790 2791 2792 2793 2794
	int tx_pkt = 0, index;
	struct netdev_queue *txq;

	index = (bnapi - bp->bnx2_napi);
	txq = netdev_get_tx_queue(bp->dev, index);
2795

2796
	hw_cons = bnx2_get_hw_tx_cons(bnapi);
2797
	sw_cons = txr->tx_cons;
2798 2799

	while (sw_cons != hw_cons) {
B
Benjamin Li 已提交
2800
		struct sw_tx_bd *tx_buf;
2801 2802 2803 2804 2805
		struct sk_buff *skb;
		int i, last;

		sw_ring_cons = TX_RING_IDX(sw_cons);

2806
		tx_buf = &txr->tx_buf_ring[sw_ring_cons];
2807
		skb = tx_buf->skb;
A
Arjan van de Ven 已提交
2808

E
Eric Dumazet 已提交
2809 2810 2811
		/* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
		prefetch(&skb->end);

2812
		/* partial BD completions possible with TSO packets */
E
Eric Dumazet 已提交
2813
		if (tx_buf->is_gso) {
2814 2815
			u16 last_idx, last_ring_idx;

E
Eric Dumazet 已提交
2816 2817
			last_idx = sw_cons + tx_buf->nr_frags + 1;
			last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
2818 2819 2820 2821 2822 2823 2824
			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
2825

2826 2827
		pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
			skb_headlen(skb), PCI_DMA_TODEVICE);
2828 2829

		tx_buf->skb = NULL;
E
Eric Dumazet 已提交
2830
		last = tx_buf->nr_frags;
2831 2832 2833

		for (i = 0; i < last; i++) {
			sw_cons = NEXT_TX_BD(sw_cons);
2834 2835 2836 2837 2838 2839 2840

			pci_unmap_page(bp->pdev,
				pci_unmap_addr(
					&txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
					mapping),
				skb_shinfo(skb)->frags[i].size,
				PCI_DMA_TODEVICE);
2841 2842 2843 2844
		}

		sw_cons = NEXT_TX_BD(sw_cons);

2845
		dev_kfree_skb(skb);
M
Michael Chan 已提交
2846 2847 2848
		tx_pkt++;
		if (tx_pkt == budget)
			break;
2849

E
Eric Dumazet 已提交
2850 2851
		if (hw_cons == sw_cons)
			hw_cons = bnx2_get_hw_tx_cons(bnapi);
2852 2853
	}

2854 2855
	txr->hw_tx_cons = hw_cons;
	txr->tx_cons = sw_cons;
B
Benjamin Li 已提交
2856

M
Michael Chan 已提交
2857
	/* Need to make the tx_cons update visible to bnx2_start_xmit()
B
Benjamin Li 已提交
2858
	 * before checking for netif_tx_queue_stopped().  Without the
M
Michael Chan 已提交
2859 2860 2861 2862
	 * memory barrier, there is a small possibility that bnx2_start_xmit()
	 * will miss it and cause the queue to be stopped forever.
	 */
	smp_mb();
2863

B
Benjamin Li 已提交
2864
	if (unlikely(netif_tx_queue_stopped(txq)) &&
2865
		     (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
B
Benjamin Li 已提交
2866 2867
		__netif_tx_lock(txq, smp_processor_id());
		if ((netif_tx_queue_stopped(txq)) &&
2868
		    (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
B
Benjamin Li 已提交
2869 2870
			netif_tx_wake_queue(txq);
		__netif_tx_unlock(txq);
2871
	}
B
Benjamin Li 已提交
2872

M
Michael Chan 已提交
2873
	return tx_pkt;
2874 2875
}

2876
static void
2877
bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2878
			struct sk_buff *skb, int count)
2879 2880 2881 2882
{
	struct sw_pg *cons_rx_pg, *prod_rx_pg;
	struct rx_bd *cons_bd, *prod_bd;
	int i;
B
Benjamin Li 已提交
2883
	u16 hw_prod, prod;
2884
	u16 cons = rxr->rx_pg_cons;
2885

B
Benjamin Li 已提交
2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906
	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;

2907 2908 2909
	for (i = 0; i < count; i++) {
		prod = RX_PG_RING_IDX(hw_prod);

2910 2911 2912 2913
		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)];
2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927

		if (prod != cons) {
			prod_rx_pg->page = cons_rx_pg->page;
			cons_rx_pg->page = NULL;
			pci_unmap_addr_set(prod_rx_pg, mapping,
				pci_unmap_addr(cons_rx_pg, mapping));

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

		}
		cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
		hw_prod = NEXT_RX_BD(hw_prod);
	}
2928 2929
	rxr->rx_pg_prod = hw_prod;
	rxr->rx_pg_cons = cons;
2930 2931
}

2932
static inline void
2933 2934
bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
		  struct sk_buff *skb, u16 cons, u16 prod)
2935
{
2936 2937 2938
	struct sw_bd *cons_rx_buf, *prod_rx_buf;
	struct rx_bd *cons_bd, *prod_bd;

2939 2940
	cons_rx_buf = &rxr->rx_buf_ring[cons];
	prod_rx_buf = &rxr->rx_buf_ring[prod];
2941 2942 2943

	pci_dma_sync_single_for_device(bp->pdev,
		pci_unmap_addr(cons_rx_buf, mapping),
2944
		BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2945

2946
	rxr->rx_prod_bseq += bp->rx_buf_use_size;
2947

2948
	prod_rx_buf->skb = skb;
2949

2950 2951
	if (cons == prod)
		return;
2952

2953 2954 2955
	pci_unmap_addr_set(prod_rx_buf, mapping,
			pci_unmap_addr(cons_rx_buf, mapping));

2956 2957
	cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2958 2959
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2960 2961
}

2962
static int
2963
bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
2964 2965
	    unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
	    u32 ring_idx)
2966 2967 2968 2969
{
	int err;
	u16 prod = ring_idx & 0xffff;

2970
	err = bnx2_alloc_rx_skb(bp, rxr, prod);
2971
	if (unlikely(err)) {
2972
		bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
2973 2974 2975 2976
		if (hdr_len) {
			unsigned int raw_len = len + 4;
			int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;

2977
			bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
2978
		}
2979 2980 2981
		return err;
	}

2982
	skb_reserve(skb, BNX2_RX_OFFSET);
2983 2984 2985
	pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
			 PCI_DMA_FROMDEVICE);

2986 2987 2988 2989 2990 2991
	if (hdr_len == 0) {
		skb_put(skb, len);
		return 0;
	} else {
		unsigned int i, frag_len, frag_size, pages;
		struct sw_pg *rx_pg;
2992 2993
		u16 pg_cons = rxr->rx_pg_cons;
		u16 pg_prod = rxr->rx_pg_prod;
2994 2995 2996 2997 2998 2999

		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
3000 3001
			dma_addr_t mapping_old;

3002 3003 3004 3005
			frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
			if (unlikely(frag_len <= 4)) {
				unsigned int tail = 4 - frag_len;

3006 3007 3008
				rxr->rx_pg_cons = pg_cons;
				rxr->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
3009
							pages - i);
3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021
				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;
			}
3022
			rx_pg = &rxr->rx_pg_ring[pg_cons];
3023

B
Benjamin Li 已提交
3024 3025 3026 3027
			/* Don't unmap yet.  If we're unable to allocate a new
			 * page, we need to recycle the page and the DMA addr.
			 */
			mapping_old = pci_unmap_addr(rx_pg, mapping);
3028 3029 3030 3031 3032 3033
			if (i == pages - 1)
				frag_len -= 4;

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

3034 3035
			err = bnx2_alloc_rx_page(bp, rxr,
						 RX_PG_RING_IDX(pg_prod));
3036
			if (unlikely(err)) {
3037 3038 3039
				rxr->rx_pg_cons = pg_cons;
				rxr->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, rxr, skb,
3040
							pages - i);
3041 3042 3043
				return err;
			}

B
Benjamin Li 已提交
3044 3045 3046
			pci_unmap_page(bp->pdev, mapping_old,
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);

3047 3048 3049 3050 3051 3052 3053 3054
			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));
		}
3055 3056
		rxr->rx_pg_prod = pg_prod;
		rxr->rx_pg_cons = pg_cons;
3057
	}
3058 3059 3060
	return 0;
}

M
Michael Chan 已提交
3061
static inline u16
3062
bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
3063
{
3064 3065
	u16 cons;

3066 3067 3068
	/* Tell compiler that status block fields can change. */
	barrier();
	cons = *bnapi->hw_rx_cons_ptr;
3069
	barrier();
M
Michael Chan 已提交
3070 3071 3072 3073 3074
	if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
		cons++;
	return cons;
}

3075
static int
3076
bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
3077
{
3078
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3079 3080
	u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
	struct l2_fhdr *rx_hdr;
3081
	int rx_pkt = 0, pg_ring_used = 0;
3082

3083
	hw_cons = bnx2_get_hw_rx_cons(bnapi);
3084 3085
	sw_cons = rxr->rx_cons;
	sw_prod = rxr->rx_prod;
3086 3087 3088 3089 3090 3091

	/* 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) {
3092
		unsigned int len, hdr_len;
3093
		u32 status;
3094 3095
		struct sw_bd *rx_buf;
		struct sk_buff *skb;
3096
		dma_addr_t dma_addr;
3097 3098
		u16 vtag = 0;
		int hw_vlan __maybe_unused = 0;
3099 3100 3101 3102

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

3103
		rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
3104
		skb = rx_buf->skb;
3105 3106 3107 3108 3109 3110

		rx_buf->skb = NULL;

		dma_addr = pci_unmap_addr(rx_buf, mapping);

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
3111 3112
			BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
			PCI_DMA_FROMDEVICE);
3113 3114

		rx_hdr = (struct l2_fhdr *) skb->data;
3115
		len = rx_hdr->l2_fhdr_pkt_len;
3116
		status = rx_hdr->l2_fhdr_status;
3117

3118 3119 3120 3121 3122 3123 3124 3125 3126
		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;
		}

3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144
		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;
		}

3145
		len -= 4;
3146

3147
		if (len <= bp->rx_copy_thresh) {
3148 3149
			struct sk_buff *new_skb;

3150
			new_skb = netdev_alloc_skb(bp->dev, len + 6);
3151
			if (new_skb == NULL) {
3152
				bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3153 3154 3155
						  sw_ring_prod);
				goto next_rx;
			}
3156 3157

			/* aligned copy */
3158
			skb_copy_from_linear_data_offset(skb,
3159 3160 3161
							 BNX2_RX_OFFSET - 6,
				      new_skb->data, len + 6);
			skb_reserve(new_skb, 6);
3162 3163
			skb_put(new_skb, len);

3164
			bnx2_reuse_rx_skb(bp, rxr, skb,
3165 3166 3167
				sw_ring_cons, sw_ring_prod);

			skb = new_skb;
3168
		} else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
3169
			   dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
3170 3171
			goto next_rx;

3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190
		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;
			}
		}

3191 3192 3193
		skb->protocol = eth_type_trans(skb, bp->dev);

		if ((len > (bp->dev->mtu + ETH_HLEN)) &&
A
Alexey Dobriyan 已提交
3194
			(ntohs(skb->protocol) != 0x8100)) {
3195

3196
			dev_kfree_skb(skb);
3197 3198 3199 3200 3201 3202 3203 3204 3205
			goto next_rx;

		}

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

3206 3207
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
3208 3209 3210
				skb->ip_summed = CHECKSUM_UNNECESSARY;
		}

3211 3212
		skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);

3213
#ifdef BCM_VLAN
3214 3215
		if (hw_vlan)
			vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227
		else
#endif
			netif_receive_skb(skb);

		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
3228 3229 3230

		/* Refresh hw_cons to see if there is new work */
		if (sw_cons == hw_cons) {
3231
			hw_cons = bnx2_get_hw_rx_cons(bnapi);
M
Michael Chan 已提交
3232 3233
			rmb();
		}
3234
	}
3235 3236
	rxr->rx_cons = sw_cons;
	rxr->rx_prod = sw_prod;
3237

3238
	if (pg_ring_used)
3239
		REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
3240

3241
	REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
3242

3243
	REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254

	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
3255
bnx2_msi(int irq, void *dev_instance)
3256
{
3257 3258
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3259

3260
	prefetch(bnapi->status_blk.msi);
3261 3262 3263 3264 3265
	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. */
3266 3267
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
3268

3269
	napi_schedule(&bnapi->napi);
3270

3271
	return IRQ_HANDLED;
3272 3273
}

3274 3275 3276
static irqreturn_t
bnx2_msi_1shot(int irq, void *dev_instance)
{
3277 3278
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3279

3280
	prefetch(bnapi->status_blk.msi);
3281 3282 3283 3284 3285

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

3286
	napi_schedule(&bnapi->napi);
3287 3288 3289 3290

	return IRQ_HANDLED;
}

3291
static irqreturn_t
3292
bnx2_interrupt(int irq, void *dev_instance)
3293
{
3294 3295
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3296
	struct status_block *sblk = bnapi->status_blk.msi;
3297 3298 3299 3300 3301 3302 3303

	/* 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.
	 */
3304
	if ((sblk->status_idx == bnapi->last_status_idx) &&
3305 3306
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
3307
		return IRQ_NONE;
3308 3309 3310 3311 3312

	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

3313 3314 3315 3316 3317
	/* Read back to deassert IRQ immediately to avoid too many
	 * spurious interrupts.
	 */
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);

3318
	/* Return here if interrupt is shared and is disabled. */
3319 3320
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
3321

3322
	if (napi_schedule_prep(&bnapi->napi)) {
3323
		bnapi->last_status_idx = sblk->status_idx;
3324
		__napi_schedule(&bnapi->napi);
3325
	}
3326

3327
	return IRQ_HANDLED;
3328 3329
}

M
Michael Chan 已提交
3330
static inline int
3331
bnx2_has_fast_work(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
3332
{
3333
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3334
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
M
Michael Chan 已提交
3335

3336
	if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3337
	    (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
M
Michael Chan 已提交
3338
		return 1;
3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351
	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
3352

3353 3354 3355 3356 3357
#ifdef BCM_CNIC
	if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
		return 1;
#endif

3358 3359
	if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
M
Michael Chan 已提交
3360 3361 3362 3363 3364
		return 1;

	return 0;
}

3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386
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;
}

3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403
#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

3404
static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
3405
{
3406
	struct status_block *sblk = bnapi->status_blk.msi;
3407 3408
	u32 status_attn_bits = sblk->status_attn_bits;
	u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3409

3410 3411
	if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3412

3413
		bnx2_phy_int(bp, bnapi);
M
Michael Chan 已提交
3414 3415 3416 3417 3418 3419 3420

		/* 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);
3421
	}
3422 3423 3424 3425 3426 3427 3428
}

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;
3429

3430
	if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
M
Michael Chan 已提交
3431
		bnx2_tx_int(bp, bnapi, 0);
3432

3433
	if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
3434
		work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3435

3436 3437 3438
	return work_done;
}

3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455
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))) {

3456
			napi_complete(napi);
3457 3458 3459 3460 3461 3462 3463 3464 3465
			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;
}

3466 3467
static int bnx2_poll(struct napi_struct *napi, int budget)
{
3468 3469
	struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
	struct bnx2 *bp = bnapi->bp;
3470
	int work_done = 0;
3471
	struct status_block *sblk = bnapi->status_blk.msi;
3472 3473

	while (1) {
3474 3475
		bnx2_poll_link(bp, bnapi);

3476
		work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
M
Michael Chan 已提交
3477

3478 3479 3480 3481
#ifdef BCM_CNIC
		bnx2_poll_cnic(bp, bnapi);
#endif

3482
		/* bnapi->last_status_idx is used below to tell the hw how
M
Michael Chan 已提交
3483 3484 3485
		 * much work has been processed, so we must read it before
		 * checking for more work.
		 */
3486
		bnapi->last_status_idx = sblk->status_idx;
3487 3488 3489 3490

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

M
Michael Chan 已提交
3491
		rmb();
3492
		if (likely(!bnx2_has_work(bnapi))) {
3493
			napi_complete(napi);
3494
			if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3495 3496
				REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
				       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3497
				       bnapi->last_status_idx);
M
Michael Chan 已提交
3498
				break;
3499
			}
3500 3501
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3502
			       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3503
			       bnapi->last_status_idx);
3504

3505 3506
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3507
			       bnapi->last_status_idx);
3508 3509
			break;
		}
3510 3511
	}

3512
	return work_done;
3513 3514
}

H
Herbert Xu 已提交
3515
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
3516 3517 3518 3519 3520
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
3521
	struct bnx2 *bp = netdev_priv(dev);
3522
	u32 rx_mode, sort_mode;
J
Jiri Pirko 已提交
3523
	struct netdev_hw_addr *ha;
3524 3525
	int i;

3526 3527 3528
	if (!netif_running(dev))
		return;

3529
	spin_lock_bh(&bp->phy_lock);
3530 3531 3532 3533 3534

	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
3535
	if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
3536 3537
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
3538
	if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
M
Michael Chan 已提交
3539
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3540 3541 3542 3543
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
M
Michael Chan 已提交
3544 3545
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581
	}
	else if (dev->flags & IFF_ALLMULTI) {
		for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
			REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
			       0xffffffff);
        	}
		sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
	}
	else {
		/* Accept one or more multicast(s). */
		struct dev_mc_list *mclist;
		u32 mc_filter[NUM_MC_HASH_REGISTERS];
		u32 regidx;
		u32 bit;
		u32 crc;

		memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);

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

			crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
			bit = crc & 0xff;
			regidx = (bit & 0xe0) >> 5;
			bit &= 0x1f;
			mc_filter[regidx] |= (1 << bit);
		}

		for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
			REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
			       mc_filter[i]);
		}

		sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
	}

3582
	if (dev->uc.count > BNX2_MAX_UNICAST_ADDRESSES) {
3583 3584 3585 3586 3587
		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
3588
		i = 0;
3589
		list_for_each_entry(ha, &dev->uc.list, list) {
J
Jiri Pirko 已提交
3590
			bnx2_set_mac_addr(bp, ha->addr,
3591 3592 3593
					  i + BNX2_START_UNICAST_ADDRESS_INDEX);
			sort_mode |= (1 <<
				      (i + BNX2_START_UNICAST_ADDRESS_INDEX));
J
Jiri Pirko 已提交
3594
			i++;
3595 3596 3597 3598
		}

	}

3599 3600 3601 3602 3603 3604 3605 3606 3607
	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);

3608
	spin_unlock_bh(&bp->phy_lock);
3609 3610
}

M
Michael Chan 已提交
3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639
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)
3640
{
M
Michael Chan 已提交
3641
	const char *mips_fw_file, *rv2p_fw_file;
B
Bastian Blank 已提交
3642 3643
	const struct bnx2_mips_fw_file *mips_fw;
	const struct bnx2_rv2p_fw_file *rv2p_fw;
M
Michael Chan 已提交
3644 3645 3646 3647
	int rc;

	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		mips_fw_file = FW_MIPS_FILE_09;
3648 3649 3650 3651 3652
		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
3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670
	} 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) {
		printk(KERN_ERR PFX "Can't load firmware file \"%s\"\n",
		       mips_fw_file);
		return rc;
	}

	rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
	if (rc) {
		printk(KERN_ERR PFX "Can't load firmware file \"%s\"\n",
		       rv2p_fw_file);
		return rc;
	}
B
Bastian Blank 已提交
3671 3672 3673 3674 3675 3676 3677 3678
	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)) {
M
Michael Chan 已提交
3679 3680 3681 3682
		printk(KERN_ERR PFX "Firmware file \"%s\" is invalid\n",
		       mips_fw_file);
		return -EINVAL;
	}
B
Bastian Blank 已提交
3683 3684 3685
	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)) {
M
Michael Chan 已提交
3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711
		printk(KERN_ERR PFX "Firmware file \"%s\" is invalid\n",
		       rv2p_fw_file);
		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;
3712
	int i;
M
Michael Chan 已提交
3713 3714 3715 3716 3717 3718
	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);
3719

M
Michael Chan 已提交
3720 3721 3722 3723 3724 3725
	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;
3726
	}
3727 3728

	for (i = 0; i < rv2p_code_len; i += 8) {
M
Michael Chan 已提交
3729
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
3730
		rv2p_code++;
M
Michael Chan 已提交
3731
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
3732 3733
		rv2p_code++;

M
Michael Chan 已提交
3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751
		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);
3752 3753 3754 3755 3756 3757 3758 3759 3760 3761
		}
	}

	/* 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
3762 3763

	return 0;
3764 3765
}

3766
static int
M
Michael Chan 已提交
3767 3768
load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
	    const struct bnx2_mips_fw_file_entry *fw_entry)
3769
{
M
Michael Chan 已提交
3770 3771
	u32 addr, len, file_offset;
	__be32 *data;
3772 3773 3774 3775
	u32 offset;
	u32 val;

	/* Halt the CPU. */
3776
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3777
	val |= cpu_reg->mode_value_halt;
3778 3779
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3780 3781

	/* Load the Text area. */
M
Michael Chan 已提交
3782 3783 3784 3785
	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
3786

M
Michael Chan 已提交
3787 3788
	offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
	if (len) {
3789 3790
		int j;

M
Michael Chan 已提交
3791 3792
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3793 3794
	}

M
Michael Chan 已提交
3795 3796 3797 3798 3799
	/* 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);
3800

M
Michael Chan 已提交
3801 3802
	offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
	if (len) {
3803 3804
		int j;

M
Michael Chan 已提交
3805 3806
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3807 3808 3809
	}

	/* Load the Read-Only area. */
M
Michael Chan 已提交
3810 3811 3812 3813 3814 3815 3816
	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) {
3817 3818
		int j;

M
Michael Chan 已提交
3819 3820
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3821 3822 3823
	}

	/* Clear the pre-fetch instruction. */
3824
	bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
M
Michael Chan 已提交
3825 3826 3827

	val = be32_to_cpu(fw_entry->start_addr);
	bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
3828 3829

	/* Start the CPU. */
3830
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3831
	val &= ~cpu_reg->mode_value_halt;
3832 3833
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3834 3835

	return 0;
3836 3837
}

3838
static int
3839 3840
bnx2_init_cpus(struct bnx2 *bp)
{
M
Michael Chan 已提交
3841 3842 3843 3844 3845
	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;
3846 3847

	/* Initialize the RV2P processor. */
M
Michael Chan 已提交
3848 3849
	load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
	load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
3850 3851

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

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

3861
	/* Initialize the TX Patch-up Processor. */
M
Michael Chan 已提交
3862
	rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
3863 3864 3865
	if (rc)
		goto init_cpu_err;

3866
	/* Initialize the Completion Processor. */
M
Michael Chan 已提交
3867
	rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
3868 3869 3870
	if (rc)
		goto init_cpu_err;

M
Michael Chan 已提交
3871
	/* Initialize the Command Processor. */
M
Michael Chan 已提交
3872
	rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
3873

3874 3875
init_cpu_err:
	return rc;
3876 3877 3878
}

static int
3879
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3880 3881 3882 3883 3884 3885
{
	u16 pmcsr;

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

	switch (state) {
3886
	case PCI_D0: {
3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906
		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;
	}
3907
	case PCI_D3hot: {
3908 3909 3910 3911 3912 3913 3914 3915 3916 3917
		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
3918 3919 3920 3921 3922 3923 3924 3925
			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;
			}
3926

M
Michael Chan 已提交
3927 3928 3929
			spin_lock_bh(&bp->phy_lock);
			bnx2_setup_phy(bp, bp->phy_port);
			spin_unlock_bh(&bp->phy_lock);
3930 3931 3932 3933

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

3934
			bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3935 3936 3937 3938 3939

			val = REG_RD(bp, BNX2_EMAC_MODE);

			/* Enable port mode. */
			val &= ~BNX2_EMAC_MODE_PORT;
M
Michael Chan 已提交
3940
			val |= BNX2_EMAC_MODE_MPKT_RCVD |
3941 3942
			       BNX2_EMAC_MODE_ACPI_RCVD |
			       BNX2_EMAC_MODE_MPKT;
M
Michael Chan 已提交
3943 3944 3945 3946 3947 3948 3949
			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;
			}
3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983

			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;
		}

3984
		if (!(bp->flags & BNX2_FLAG_NO_WOL))
3985 3986
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
				     1, 0);
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 4065 4066 4067 4068 4069

		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
4070
	if (bp->flash_info->flags & BNX2_NV_WREN) {
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 4103 4104 4105 4106 4107
		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. */
4108
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4109 4110 4111 4112 4113 4114 4115 4116 4117 4118
	       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. */
4119
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4120 4121 4122 4123 4124 4125 4126 4127 4128 4129
		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
4130
	if (bp->flash_info->flags & BNX2_NV_BUFFERED)
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 4168 4169 4170 4171 4172
		/* 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
4173 4174
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196
		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
4197 4198
			__be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
			memcpy(ret_val, &v, 4);
4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211
			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
4212 4213
	u32 cmd;
	__be32 val32;
4214 4215 4216 4217 4218
	int j;

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

M
Michael Chan 已提交
4219 4220
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231
		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
4232
	REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256

	/* 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
4257
	int j, entry_count, rc = 0;
4258
	const struct flash_spec *flash;
4259

M
Michael Chan 已提交
4260 4261 4262 4263 4264
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->flash_info = &flash_5709;
		goto get_flash_size;
	}

4265 4266 4267
	/* Determine the selected interface. */
	val = REG_RD(bp, BNX2_NVM_CFG1);

4268
	entry_count = ARRAY_SIZE(flash_table);
4269 4270 4271 4272 4273

	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
4274 4275 4276
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
4277 4278 4279 4280 4281 4282
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
4283
		u32 mask;
4284 4285
		/* Not yet been reconfigured */

4286 4287 4288 4289 4290
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

4291 4292 4293
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

4294
			if ((val & mask) == (flash->strapping & mask)) {
4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320
				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;
4321
		printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
M
Michael Chan 已提交
4322
		return -ENODEV;
4323 4324
	}

M
Michael Chan 已提交
4325
get_flash_size:
4326
	val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
M
Michael Chan 已提交
4327 4328 4329 4330 4331 4332
	val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
	if (val)
		bp->flash_size = val;
	else
		bp->flash_size = bp->flash_info->total_size;

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 4446 4447 4448 4449 4450
	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;
4451
	u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4452 4453 4454 4455 4456 4457 4458 4459 4460 4461
	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
4462 4463 4464
		len32 += align_start;
		if (len32 < 4)
			len32 = 4;
4465 4466 4467 4468 4469
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
M
Michael Chan 已提交
4470 4471 4472 4473
		align_end = 4 - (len32 & 3);
		len32 += align_end;
		if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
			return rc;
4474 4475 4476
	}

	if (align_start || align_end) {
4477 4478
		align_buf = kmalloc(len32, GFP_KERNEL);
		if (align_buf == NULL)
4479 4480
			return -ENOMEM;
		if (align_start) {
4481
			memcpy(align_buf, start, 4);
4482 4483
		}
		if (align_end) {
4484
			memcpy(align_buf + len32 - 4, end, 4);
4485
		}
4486 4487
		memcpy(align_buf + align_start, data_buf, buf_size);
		buf = align_buf;
4488 4489
	}

M
Michael Chan 已提交
4490
	if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4491 4492 4493 4494 4495 4496 4497
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511
	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 */
4512
		data_end = (page_end > offset32 + len32) ?
4513 4514 4515 4516 4517 4518 4519 4520 4521 4522
			(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
4523
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4524 4525 4526 4527 4528 4529 4530 4531 4532
			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,
4533 4534
					page_start + j,
					&flash_buffer[j],
4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550
					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
4551
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
M
Michael Chan 已提交
4552 4553 4554 4555 4556 4557 4558
			/* 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);

4559 4560
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
4561

4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572
				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 */
4573
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4574
			if ((addr == page_end - 4) ||
M
Michael Chan 已提交
4575
				((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591
				 (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
4592
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4593 4594
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
4595

4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620
				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:
4621 4622
	kfree(flash_buffer);
	kfree(align_buf);
4623 4624 4625
	return rc;
}

4626
static void
4627
bnx2_init_fw_cap(struct bnx2 *bp)
4628
{
4629
	u32 val, sig = 0;
4630

4631
	bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4632 4633 4634 4635
	bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;

	if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
		bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4636

4637
	val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4638 4639 4640
	if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
		return;

4641 4642 4643 4644 4645 4646 4647 4648 4649
	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;

4650
		bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4651

4652 4653
		link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
		if (link & BNX2_LINK_STATUS_SERDES_LINK)
4654 4655 4656
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;
4657

4658 4659
		sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
		       BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4660
	}
4661 4662 4663

	if (netif_running(bp->dev) && sig)
		bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4664 4665
}

4666 4667 4668 4669 4670 4671 4672 4673 4674
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);
}

4675 4676 4677 4678 4679
static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;
4680
	u8 old_port;
4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691

	/* 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);

4692
	/* Wait for the firmware to tell us it is ok to issue a reset. */
4693
	bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
4694

4695 4696
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
4697 4698
	bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
		      BNX2_DRV_RESET_SIGNATURE_MAGIC);
4699 4700 4701 4702 4703

	/* 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);

4704 4705 4706 4707
	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);
4708

4709 4710
		val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4711

4712
		pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4713

4714 4715 4716 4717 4718 4719 4720 4721
	} 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);

4722 4723 4724 4725
		/* 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.
		 */
4726
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
A
Arjan van de Ven 已提交
4727 4728
		    (CHIP_ID(bp) == CHIP_ID_5706_A1))
			msleep(20);
4729

4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743
		/* Reset takes approximate 30 usec */
		for (i = 0; i < 10; i++) {
			val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
			if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
				    BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
				break;
			udelay(10);
		}

		if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
			   BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
			printk(KERN_ERR PFX "Chip reset did not complete\n");
			return -EBUSY;
		}
4744 4745 4746 4747 4748 4749 4750 4751 4752 4753
	}

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

	/* Wait for the firmware to finish its initialization. */
4754
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
4755 4756
	if (rc)
		return rc;
4757

4758
	spin_lock_bh(&bp->phy_lock);
4759
	old_port = bp->phy_port;
4760
	bnx2_init_fw_cap(bp);
4761 4762
	if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
	    old_port != bp->phy_port)
4763 4764 4765
		bnx2_set_default_remote_link(bp);
	spin_unlock_bh(&bp->phy_lock);

4766 4767 4768 4769 4770 4771 4772 4773 4774
	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);
	}

4775
	if (bp->flags & BNX2_FLAG_USING_MSIX)
4776 4777
		bnx2_setup_msix_tbl(bp);

4778 4779 4780 4781 4782 4783
	return rc;
}

static int
bnx2_init_chip(struct bnx2 *bp)
{
4784
	u32 val, mtu;
4785
	int rc, i;
4786 4787 4788 4789 4790 4791 4792

	/* 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
4793
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4794
#endif
4795
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4796 4797 4798 4799 4800
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

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

4801
	if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4802 4803 4804
		val |= (1 << 23);

	if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4805
	    (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4806 4807 4808 4809 4810 4811 4812 4813 4814 4815
		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);
	}

4816
	if (bp->flags & BNX2_FLAG_PCIX) {
4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831
		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. */
4832 4833 4834 4835 4836
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rc = bnx2_init_5709_context(bp);
		if (rc)
			return rc;
	} else
M
Michael Chan 已提交
4837
		bnx2_init_context(bp);
4838

4839 4840 4841
	if ((rc = bnx2_init_cpus(bp)) != 0)
		return rc;

4842 4843
	bnx2_init_nvram(bp);

4844
	bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
4845 4846 4847 4848

	val = REG_RD(bp, BNX2_MQ_CONFIG);
	val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
	val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4849 4850 4851 4852 4853
	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;
	}
4854

4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878
	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. */
4879 4880
	mtu = bp->dev->mtu;
	val = mtu + ETH_HLEN + ETH_FCS_LEN;
4881 4882 4883 4884
	if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
		val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
	REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);

4885 4886 4887 4888 4889 4890 4891
	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));

4892
	memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
4893 4894 4895
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
		bp->bnx2_napi[i].last_status_idx = 0;

4896 4897
	bp->idle_chk_status_idx = 0xffff;

4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911
	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);

4912
	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930
	       (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);

4931
	if (bp->flags & BNX2_FLAG_BROKEN_STATS)
4932 4933
		REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
	else
4934
		REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4935 4936 4937
	REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */

	if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4938
		val = BNX2_HC_CONFIG_COLLECT_STATS;
4939
	else {
4940 4941
		val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
		      BNX2_HC_CONFIG_COLLECT_STATS;
4942 4943
	}

M
Michael Chan 已提交
4944
	if (bp->irq_nvecs > 1) {
4945 4946 4947
		REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
		       BNX2_HC_MSIX_BIT_VECTOR_VAL);

M
Michael Chan 已提交
4948 4949 4950 4951
		val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
	}

	if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4952
		val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
M
Michael Chan 已提交
4953 4954 4955 4956 4957 4958 4959

	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;

4960
		REG_WR(bp, base,
4961
			BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
M
Michael Chan 已提交
4962
			BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
4963 4964
			BNX2_HC_SB_CONFIG_1_ONE_SHOT);

4965
		REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4966 4967 4968
			(bp->tx_quick_cons_trip_int << 16) |
			 bp->tx_quick_cons_trip);

4969
		REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4970 4971
			(bp->tx_ticks_int << 16) | bp->tx_ticks);

M
Michael Chan 已提交
4972 4973 4974
		REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
		       (bp->rx_quick_cons_trip_int << 16) |
			bp->rx_quick_cons_trip);
4975

M
Michael Chan 已提交
4976 4977 4978
		REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
			(bp->rx_ticks_int << 16) | bp->rx_ticks);
	}
4979

4980 4981 4982
	/* Clear internal stats counters. */
	REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);

4983
	REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4984 4985 4986 4987

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

M
Michael Chan 已提交
4988 4989 4990 4991 4992
	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);
	}
4993
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4994
			  1, 0);
4995

M
Michael Chan 已提交
4996
	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4997 4998 4999 5000
	REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);

	udelay(20);

M
Michael Chan 已提交
5001 5002
	bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);

5003
	return rc;
5004 5005
}

5006 5007 5008 5009
static void
bnx2_clear_ring_states(struct bnx2 *bp)
{
	struct bnx2_napi *bnapi;
5010
	struct bnx2_tx_ring_info *txr;
5011
	struct bnx2_rx_ring_info *rxr;
5012 5013 5014 5015
	int i;

	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
		bnapi = &bp->bnx2_napi[i];
5016
		txr = &bnapi->tx_ring;
5017
		rxr = &bnapi->rx_ring;
5018

5019 5020
		txr->tx_cons = 0;
		txr->hw_tx_cons = 0;
5021 5022 5023 5024 5025
		rxr->rx_prod_bseq = 0;
		rxr->rx_prod = 0;
		rxr->rx_cons = 0;
		rxr->rx_pg_prod = 0;
		rxr->rx_pg_cons = 0;
5026 5027 5028
	}
}

M
Michael Chan 已提交
5029
static void
5030
bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
M
Michael Chan 已提交
5031 5032
{
	u32 val, offset0, offset1, offset2, offset3;
M
Michael Chan 已提交
5033
	u32 cid_addr = GET_CID_ADDR(cid);
M
Michael Chan 已提交
5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046

	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
5047
	bnx2_ctx_wr(bp, cid_addr, offset0, val);
M
Michael Chan 已提交
5048 5049

	val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
M
Michael Chan 已提交
5050
	bnx2_ctx_wr(bp, cid_addr, offset1, val);
M
Michael Chan 已提交
5051

5052
	val = (u64) txr->tx_desc_mapping >> 32;
M
Michael Chan 已提交
5053
	bnx2_ctx_wr(bp, cid_addr, offset2, val);
M
Michael Chan 已提交
5054

5055
	val = (u64) txr->tx_desc_mapping & 0xffffffff;
M
Michael Chan 已提交
5056
	bnx2_ctx_wr(bp, cid_addr, offset3, val);
M
Michael Chan 已提交
5057
}
5058 5059

static void
5060
bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
5061 5062
{
	struct tx_bd *txbd;
5063 5064
	u32 cid = TX_CID;
	struct bnx2_napi *bnapi;
5065
	struct bnx2_tx_ring_info *txr;
5066

5067 5068 5069 5070 5071 5072 5073
	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;
5074

M
Michael Chan 已提交
5075 5076
	bp->tx_wake_thresh = bp->tx_ring_size / 2;

5077
	txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
5078

5079 5080
	txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
	txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
5081

5082 5083
	txr->tx_prod = 0;
	txr->tx_prod_bseq = 0;
5084

5085 5086
	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;
5087

5088
	bnx2_init_tx_context(bp, cid, txr);
5089 5090 5091
}

static void
5092 5093
bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
		     int num_rings)
5094 5095
{
	int i;
5096
	struct rx_bd *rxbd;
5097

5098
	for (i = 0; i < num_rings; i++) {
5099
		int j;
5100

5101
		rxbd = &rx_ring[i][0];
5102
		for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
5103
			rxbd->rx_bd_len = buf_size;
5104 5105
			rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
		}
5106
		if (i == (num_rings - 1))
5107 5108 5109
			j = 0;
		else
			j = i + 1;
5110 5111
		rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
		rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
5112
	}
5113 5114 5115
}

static void
5116
bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
5117 5118 5119
{
	int i;
	u16 prod, ring_prod;
5120 5121 5122 5123 5124 5125 5126 5127 5128 5129
	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);
5130

5131
	bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
5132 5133
			     bp->rx_buf_use_size, bp->rx_max_ring);

5134
	bnx2_init_rx_context(bp, cid);
5135 5136 5137 5138 5139 5140

	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
5141
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
5142
	if (bp->rx_pg_ring_size) {
5143 5144
		bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
				     rxr->rx_pg_desc_mapping,
5145 5146
				     PAGE_SIZE, bp->rx_max_pg_ring);
		val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
M
Michael Chan 已提交
5147 5148
		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
5149
		       BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
5150

5151
		val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
M
Michael Chan 已提交
5152
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
5153

5154
		val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
M
Michael Chan 已提交
5155
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
5156 5157 5158 5159

		if (CHIP_NUM(bp) == CHIP_NUM_5709)
			REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
	}
5160

5161
	val = (u64) rxr->rx_desc_mapping[0] >> 32;
M
Michael Chan 已提交
5162
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
5163

5164
	val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
M
Michael Chan 已提交
5165
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
5166

5167
	ring_prod = prod = rxr->rx_pg_prod;
5168
	for (i = 0; i < bp->rx_pg_ring_size; i++) {
5169 5170 5171 5172
		if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) {
			printk(KERN_WARNING PFX "%s: init'ed rx page ring %d "
						"with %d/%d pages only\n",
			       bp->dev->name, ring_num, i, bp->rx_pg_ring_size);
5173
			break;
5174
		}
5175 5176 5177
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_PG_RING_IDX(prod);
	}
5178
	rxr->rx_pg_prod = prod;
5179

5180
	ring_prod = prod = rxr->rx_prod;
5181
	for (i = 0; i < bp->rx_ring_size; i++) {
5182 5183 5184 5185
		if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) {
			printk(KERN_WARNING PFX "%s: init'ed rx ring %d with "
						"%d/%d skbs only\n",
			       bp->dev->name, ring_num, i, bp->rx_ring_size);
5186
			break;
5187
		}
5188 5189 5190
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_RING_IDX(prod);
	}
5191
	rxr->rx_prod = prod;
5192

5193 5194 5195
	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;
5196

5197 5198 5199 5200
	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);
5201 5202
}

5203 5204 5205 5206
static void
bnx2_init_all_rings(struct bnx2 *bp)
{
	int i;
M
Michael Chan 已提交
5207
	u32 val;
5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218

	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
5219 5220 5221
	REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
	bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);

5222 5223
	for (i = 0; i < bp->num_rx_rings; i++)
		bnx2_init_rx_ring(bp, i);
M
Michael Chan 已提交
5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245

	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);

	}
5246 5247
}

5248
static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
5249
{
5250
	u32 max, num_rings = 1;
5251

5252 5253
	while (ring_size > MAX_RX_DESC_CNT) {
		ring_size -= MAX_RX_DESC_CNT;
5254 5255 5256
		num_rings++;
	}
	/* round to next power of 2 */
5257
	max = max_size;
5258 5259 5260 5261 5262 5263
	while ((max & num_rings) == 0)
		max >>= 1;

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

5264 5265 5266 5267 5268 5269
	return max;
}

static void
bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
{
M
Michael Chan 已提交
5270
	u32 rx_size, rx_space, jumbo_size;
5271 5272

	/* 8 for CRC and VLAN */
5273
	rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
5274

M
Michael Chan 已提交
5275 5276 5277
	rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
		sizeof(struct skb_shared_info);

5278
	bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
5279 5280 5281
	bp->rx_pg_ring_size = 0;
	bp->rx_max_pg_ring = 0;
	bp->rx_max_pg_ring_idx = 0;
5282
	if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
M
Michael Chan 已提交
5283 5284 5285 5286 5287 5288 5289 5290 5291 5292
		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;
5293
		rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
M
Michael Chan 已提交
5294 5295
		bp->rx_copy_thresh = 0;
	}
5296 5297 5298 5299

	bp->rx_buf_use_size = rx_size;
	/* hw alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
5300
	bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5301 5302
	bp->rx_ring_size = size;
	bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
5303 5304 5305
	bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
}

5306 5307 5308 5309 5310
static void
bnx2_free_tx_skbs(struct bnx2 *bp)
{
	int i;

5311 5312 5313 5314
	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;
5315

5316
		if (txr->tx_buf_ring == NULL)
5317 5318
			continue;

5319
		for (j = 0; j < TX_DESC_CNT; ) {
B
Benjamin Li 已提交
5320
			struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
5321
			struct sk_buff *skb = tx_buf->skb;
5322
			int k, last;
5323 5324 5325 5326 5327 5328

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

5329 5330 5331 5332
			pci_unmap_single(bp->pdev,
					 pci_unmap_addr(tx_buf, mapping),
					 skb_headlen(skb),
					 PCI_DMA_TODEVICE);
5333

5334
			tx_buf->skb = NULL;
5335

5336 5337 5338 5339 5340 5341 5342 5343 5344
			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,
					pci_unmap_addr(tx_buf, mapping),
					skb_shinfo(skb)->frags[k].size,
					PCI_DMA_TODEVICE);
			}
5345
			dev_kfree_skb(skb);
5346 5347 5348 5349 5350 5351 5352 5353 5354
		}
	}
}

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

5355 5356 5357 5358
	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;
5359

5360 5361
		if (rxr->rx_buf_ring == NULL)
			return;
5362

5363 5364 5365
		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;
5366

5367 5368
			if (skb == NULL)
				continue;
5369

5370 5371 5372 5373
			pci_unmap_single(bp->pdev,
					 pci_unmap_addr(rx_buf, mapping),
					 bp->rx_buf_use_size,
					 PCI_DMA_FROMDEVICE);
5374

5375 5376 5377 5378 5379 5380
			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);
5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399 5400
	}
}

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;

5401 5402 5403
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

5404
	bnx2_init_all_rings(bp);
5405 5406 5407 5408
	return 0;
}

static int
5409
bnx2_init_nic(struct bnx2 *bp, int reset_phy)
5410 5411 5412 5413 5414 5415
{
	int rc;

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

M
Michael Chan 已提交
5416
	spin_lock_bh(&bp->phy_lock);
5417
	bnx2_init_phy(bp, reset_phy);
5418
	bnx2_set_link(bp);
5419 5420
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
		bnx2_remote_phy_event(bp);
5421
	spin_unlock_bh(&bp->phy_lock);
5422 5423 5424
	return 0;
}

M
Michael Chan 已提交
5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439
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);
}

5440 5441 5442 5443
static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
5444
	int i, is_5709;
5445
	static const struct {
5446 5447
		u16   offset;
		u16   flags;
5448
#define BNX2_FL_NOT_5709	1
5449 5450 5451 5452 5453 5454 5455
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474 5475
		{ 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 },
5476 5477

		{ 0x1000, 0, 0x00000000, 0x00000001 },
M
Michael Chan 已提交
5478
		{ 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
5479 5480 5481 5482

		{ 0x1408, 0, 0x01c00800, 0x00000000 },
		{ 0x149c, 0, 0x8000ffff, 0x00000000 },
		{ 0x14a8, 0, 0x00000000, 0x000001ff },
M
Michael Chan 已提交
5483
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
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 5558 5559 5560
		{ 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;
5561 5562 5563 5564
	is_5709 = 0;
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		is_5709 = 1;

5565 5566
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;
5567 5568 5569 5570
		u16 flags = reg_tbl[i].flags;

		if (is_5709 && (flags & BNX2_FL_NOT_5709))
			continue;
5571 5572 5573 5574 5575

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

5576
		save_val = readl(bp->regview + offset);
5577

5578
		writel(0, bp->regview + offset);
5579

5580
		val = readl(bp->regview + offset);
5581 5582 5583 5584 5585 5586 5587 5588
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

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

5589
		writel(0xffffffff, bp->regview + offset);
5590

5591
		val = readl(bp->regview + offset);
5592 5593 5594 5595 5596 5597 5598 5599
		if ((val & rw_mask) != rw_mask) {
			goto reg_test_err;
		}

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

5600
		writel(save_val, bp->regview + offset);
5601 5602 5603
		continue;

reg_test_err:
5604
		writel(save_val, bp->regview + offset);
5605 5606 5607 5608 5609 5610 5611 5612 5613
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
5614
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5615 5616 5617 5618 5619 5620 5621 5622
		0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
	int i;

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

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

5623
			bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5624

5625
			if (bnx2_reg_rd_ind(bp, start + offset) !=
5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638
				test_pattern[i]) {
				return -ENODEV;
			}
		}
	}
	return 0;
}

static int
bnx2_test_memory(struct bnx2 *bp)
{
	int ret = 0;
	int i;
5639
	static struct mem_entry {
5640 5641
		u32   offset;
		u32   len;
5642
	} mem_tbl_5706[] = {
5643
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
5644
		{ 0xa0000,  0x3000 },
5645 5646 5647 5648 5649
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
5650 5651 5652 5653 5654 5655 5656 5657
	},
	mem_tbl_5709[] = {
		{ 0x60000,  0x4000 },
		{ 0xa0000,  0x3000 },
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0xffffffff, 0    },
5658
	};
5659 5660 5661 5662 5663 5664
	struct mem_entry *mem_tbl;

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		mem_tbl = mem_tbl_5709;
	else
		mem_tbl = mem_tbl_5706;
5665 5666 5667 5668 5669 5670 5671

	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;
		}
	}
5672

5673 5674 5675
	return ret;
}

M
Michael Chan 已提交
5676 5677 5678
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

5679
static int
M
Michael Chan 已提交
5680
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5681 5682 5683 5684
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
5685
	u16 rx_start_idx, rx_idx;
5686 5687 5688 5689 5690
	dma_addr_t map;
	struct tx_bd *txbd;
	struct sw_bd *rx_buf;
	struct l2_fhdr *rx_hdr;
	int ret = -ENODEV;
5691
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5692
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5693
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5694 5695

	tx_napi = bnapi;
5696

5697
	txr = &tx_napi->tx_ring;
5698
	rxr = &bnapi->rx_ring;
M
Michael Chan 已提交
5699 5700 5701 5702 5703
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5704
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5705 5706
			return 0;

M
Michael Chan 已提交
5707
		bp->loopback = PHY_LOOPBACK;
M
Michael Chan 已提交
5708 5709 5710 5711
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
5712

M
Michael Chan 已提交
5713
	pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5714
	skb = netdev_alloc_skb(bp->dev, pkt_size);
5715 5716
	if (!skb)
		return -ENOMEM;
5717
	packet = skb_put(skb, pkt_size);
M
Michael Chan 已提交
5718
	memcpy(packet, bp->dev->dev_addr, 6);
5719 5720 5721 5722
	memset(packet + 6, 0x0, 8);
	for (i = 14; i < pkt_size; i++)
		packet[i] = (unsigned char) (i & 0xff);

5723 5724 5725
	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
5726 5727 5728
		dev_kfree_skb(skb);
		return -EIO;
	}
5729

M
Michael Chan 已提交
5730 5731 5732
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5733 5734 5735
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);
5736
	rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5737 5738 5739

	num_pkts = 0;

5740
	txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
5741 5742 5743 5744 5745 5746 5747

	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++;
5748 5749
	txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
	txr->tx_prod_bseq += pkt_size;
5750

5751 5752
	REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
	REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
5753 5754 5755

	udelay(100);

M
Michael Chan 已提交
5756 5757 5758
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5759 5760 5761 5762
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

5763
	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5764
	dev_kfree_skb(skb);
5765

5766
	if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
5767 5768
		goto loopback_test_done;

5769
	rx_idx = bnx2_get_hw_rx_cons(bnapi);
5770 5771 5772 5773
	if (rx_idx != rx_start_idx + num_pkts) {
		goto loopback_test_done;
	}

5774
	rx_buf = &rxr->rx_buf_ring[rx_start_idx];
5775 5776 5777
	rx_skb = rx_buf->skb;

	rx_hdr = (struct l2_fhdr *) rx_skb->data;
5778
	skb_reserve(rx_skb, BNX2_RX_OFFSET);
5779 5780 5781 5782 5783

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

5784
	if (rx_hdr->l2_fhdr_status &
5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810
		(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
5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825
#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);
5826
	bnx2_init_phy(bp, 1);
M
Michael Chan 已提交
5827 5828 5829 5830 5831 5832 5833 5834
	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;
}

5835 5836 5837 5838 5839 5840
#define NVRAM_SIZE 0x200
#define CRC32_RESIDUAL 0xdebb20e3

static int
bnx2_test_nvram(struct bnx2 *bp)
{
A
Al Viro 已提交
5841
	__be32 buf[NVRAM_SIZE / 4];
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 5875 5876 5877
	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;

5878 5879 5880
	if (!netif_running(bp->dev))
		return -ENODEV;

5881
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5882 5883 5884 5885
		if (bp->link_up)
			return 0;
		return -ENODEV;
	}
5886
	spin_lock_bh(&bp->phy_lock);
5887 5888 5889 5890
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
5891
	spin_unlock_bh(&bp->phy_lock);
5892

5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910
	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
5911
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928
	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;
}

5929
/* Determining link for parallel detection. */
5930 5931 5932 5933 5934
static int
bnx2_5706_serdes_has_link(struct bnx2 *bp)
{
	u32 mode_ctl, an_dbg, exp;

5935 5936 5937
	if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
		return 0;

5938 5939 5940 5941 5942 5943 5944 5945 5946 5947
	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);

5948
	if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959 5960
		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;
}

5961
static void
5962
bnx2_5706_serdes_timer(struct bnx2 *bp)
5963
{
5964 5965
	int check_link = 1;

5966
	spin_lock(&bp->phy_lock);
5967
	if (bp->serdes_an_pending) {
5968
		bp->serdes_an_pending--;
5969 5970
		check_link = 0;
	} else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5971
		u32 bmcr;
5972

5973
		bp->current_interval = BNX2_TIMER_INTERVAL;
M
Michael Chan 已提交
5974

5975
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5976

5977
		if (bmcr & BMCR_ANENABLE) {
5978
			if (bnx2_5706_serdes_has_link(bp)) {
5979 5980
				bmcr &= ~BMCR_ANENABLE;
				bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5981
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5982
				bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5983
			}
5984
		}
5985 5986
	}
	else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5987
		 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5988
		u32 phy2;
5989

5990 5991 5992 5993
		bnx2_write_phy(bp, 0x17, 0x0f01);
		bnx2_read_phy(bp, 0x15, &phy2);
		if (phy2 & 0x20) {
			u32 bmcr;
M
Michael Chan 已提交
5994

5995
			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5996
			bmcr |= BMCR_ANENABLE;
5997
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5998

5999
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
6000 6001
		}
	} else
6002
		bp->current_interval = BNX2_TIMER_INTERVAL;
6003

6004
	if (check_link) {
6005 6006 6007 6008 6009 6010
		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);

6011 6012 6013 6014 6015 6016 6017 6018
		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);
6019
	}
6020 6021
	spin_unlock(&bp->phy_lock);
}
6022

6023 6024 6025
static void
bnx2_5708_serdes_timer(struct bnx2 *bp)
{
6026
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6027 6028
		return;

6029
	if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
6030 6031 6032
		bp->serdes_an_pending = 0;
		return;
	}
6033

6034 6035 6036 6037 6038
	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;
6039

6040
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6041
		if (bmcr & BMCR_ANENABLE) {
6042
			bnx2_enable_forced_2g5(bp);
M
Michael Chan 已提交
6043
			bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
6044
		} else {
6045
			bnx2_disable_forced_2g5(bp);
6046
			bp->serdes_an_pending = 2;
6047
			bp->current_interval = BNX2_TIMER_INTERVAL;
6048 6049
		}

6050
	} else
6051
		bp->current_interval = BNX2_TIMER_INTERVAL;
6052

6053 6054 6055
	spin_unlock(&bp->phy_lock);
}

6056 6057 6058 6059
static void
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
6060

6061 6062
	if (!netif_running(bp->dev))
		return;
6063

6064 6065
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;
6066

6067 6068 6069 6070
	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
6071
	bnx2_send_heart_beat(bp);
6072

6073 6074
	bp->stats_blk->stat_FwRxDrop =
		bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
6075

6076
	/* workaround occasional corrupted counters */
6077
	if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
6078 6079 6080
		REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
					    BNX2_HC_COMMAND_STATS_NOW);

6081
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6082 6083
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			bnx2_5706_serdes_timer(bp);
6084
		else
6085
			bnx2_5708_serdes_timer(bp);
6086 6087 6088
	}

bnx2_restart_timer:
M
Michael Chan 已提交
6089
	mod_timer(&bp->timer, jiffies + bp->current_interval);
6090 6091
}

6092 6093 6094
static int
bnx2_request_irq(struct bnx2 *bp)
{
6095
	unsigned long flags;
6096 6097
	struct bnx2_irq *irq;
	int rc = 0, i;
6098

6099
	if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
6100 6101 6102
		flags = 0;
	else
		flags = IRQF_SHARED;
6103 6104 6105

	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
6106
		rc = request_irq(irq->vector, irq->handler, flags, irq->name,
6107
				 &bp->bnx2_napi[i]);
6108 6109 6110 6111
		if (rc)
			break;
		irq->requested = 1;
	}
6112 6113 6114 6115 6116 6117
	return rc;
}

static void
bnx2_free_irq(struct bnx2 *bp)
{
6118 6119
	struct bnx2_irq *irq;
	int i;
6120

6121 6122 6123
	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
		if (irq->requested)
6124
			free_irq(irq->vector, &bp->bnx2_napi[i]);
6125
		irq->requested = 0;
6126
	}
6127
	if (bp->flags & BNX2_FLAG_USING_MSI)
6128
		pci_disable_msi(bp->pdev);
6129
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
6130 6131
		pci_disable_msix(bp->pdev);

6132
	bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
6133 6134 6135
}

static void
M
Michael Chan 已提交
6136
bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
6137
{
M
Michael Chan 已提交
6138 6139
	int i, rc;
	struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
M
Michael Chan 已提交
6140 6141
	struct net_device *dev = bp->dev;
	const int len = sizeof(bp->irq_tbl[0].name);
M
Michael Chan 已提交
6142

6143 6144 6145 6146
	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
6147 6148 6149 6150 6151 6152 6153 6154 6155 6156

	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
6157
	bp->irq_nvecs = msix_vecs;
6158
	bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
6159
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
M
Michael Chan 已提交
6160
		bp->irq_tbl[i].vector = msix_ent[i].vector;
6161 6162 6163
		snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
		bp->irq_tbl[i].handler = bnx2_msi_1shot;
	}
6164 6165 6166 6167 6168
}

static void
bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
{
M
Michael Chan 已提交
6169
	int cpus = num_online_cpus();
B
Benjamin Li 已提交
6170
	int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
M
Michael Chan 已提交
6171

6172 6173
	bp->irq_tbl[0].handler = bnx2_interrupt;
	strcpy(bp->irq_tbl[0].name, bp->dev->name);
6174 6175 6176
	bp->irq_nvecs = 1;
	bp->irq_tbl[0].vector = bp->pdev->irq;

M
Michael Chan 已提交
6177 6178
	if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
		bnx2_enable_msix(bp, msix_vecs);
6179

6180 6181
	if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
	    !(bp->flags & BNX2_FLAG_USING_MSIX)) {
6182
		if (pci_enable_msi(bp->pdev) == 0) {
6183
			bp->flags |= BNX2_FLAG_USING_MSI;
6184
			if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6185
				bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
6186 6187 6188
				bp->irq_tbl[0].handler = bnx2_msi_1shot;
			} else
				bp->irq_tbl[0].handler = bnx2_msi;
6189 6190

			bp->irq_tbl[0].vector = bp->pdev->irq;
6191 6192
		}
	}
B
Benjamin Li 已提交
6193 6194 6195 6196

	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
6197
	bp->num_rx_rings = bp->irq_nvecs;
6198 6199
}

6200 6201 6202 6203
/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
6204
	struct bnx2 *bp = netdev_priv(dev);
6205 6206
	int rc;

6207 6208
	netif_carrier_off(dev);

6209
	bnx2_set_power_state(bp, PCI_D0);
6210 6211
	bnx2_disable_int(bp);

6212 6213
	bnx2_setup_int_mode(bp, disable_msi);
	bnx2_napi_enable(bp);
6214
	rc = bnx2_alloc_mem(bp);
6215 6216
	if (rc)
		goto open_err;
6217

6218
	rc = bnx2_request_irq(bp);
6219 6220
	if (rc)
		goto open_err;
6221

6222
	rc = bnx2_init_nic(bp, 1);
6223 6224
	if (rc)
		goto open_err;
6225

M
Michael Chan 已提交
6226
	mod_timer(&bp->timer, jiffies + bp->current_interval);
6227 6228 6229 6230 6231

	atomic_set(&bp->intr_sem, 0);

	bnx2_enable_int(bp);

6232
	if (bp->flags & BNX2_FLAG_USING_MSI) {
6233 6234 6235 6236 6237 6238 6239 6240 6241 6242 6243
		/* Test MSI to make sure it is working
		 * If MSI test fails, go back to INTx mode
		 */
		if (bnx2_test_intr(bp) != 0) {
			printk(KERN_WARNING PFX "%s: No interrupt was generated"
			       " using MSI, switching to INTx mode. Please"
			       " report this failure to the PCI maintainer"
			       " and include system chipset information.\n",
			       bp->dev->name);

			bnx2_disable_int(bp);
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
		printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
6262
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
M
Michael Chan 已提交
6263
		printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
6264

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

	return 0;
6268 6269 6270 6271 6272 6273 6274

open_err:
	bnx2_napi_disable(bp);
	bnx2_free_skbs(bp);
	bnx2_free_irq(bp);
	bnx2_free_mem(bp);
	return rc;
6275 6276 6277
}

static void
D
David Howells 已提交
6278
bnx2_reset_task(struct work_struct *work)
6279
{
D
David Howells 已提交
6280
	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
6281

6282 6283 6284
	rtnl_lock();
	if (!netif_running(bp->dev)) {
		rtnl_unlock();
6285
		return;
6286
	}
6287

6288 6289
	bnx2_netif_stop(bp);

6290
	bnx2_init_nic(bp, 1);
6291 6292 6293

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

6297 6298 6299 6300 6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317
static void
bnx2_dump_state(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;

	printk(KERN_ERR PFX "%s DEBUG: intr_sem[%x]\n", dev->name,
		atomic_read(&bp->intr_sem));
	printk(KERN_ERR PFX "%s DEBUG: EMAC_TX_STATUS[%08x] "
			    "RPM_MGMT_PKT_CTRL[%08x]\n", dev->name,
		REG_RD(bp, BNX2_EMAC_TX_STATUS),
		REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
	printk(KERN_ERR PFX "%s DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
		dev->name, bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P0),
		bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P1));
	printk(KERN_ERR PFX "%s DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
		dev->name, REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
	if (bp->flags & BNX2_FLAG_USING_MSIX)
		printk(KERN_ERR PFX "%s DEBUG: PBA[%08x]\n", dev->name,
			REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
}

6318 6319 6320
static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
6321
	struct bnx2 *bp = netdev_priv(dev);
6322

6323 6324
	bnx2_dump_state(bp);

6325 6326 6327 6328 6329 6330 6331 6332 6333
	/* 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
6334
	struct bnx2 *bp = netdev_priv(dev);
6335

6336 6337
	if (netif_running(dev))
		bnx2_netif_stop(bp);
6338 6339

	bp->vlgrp = vlgrp;
6340 6341 6342 6343

	if (!netif_running(dev))
		return;

6344
	bnx2_set_rx_mode(dev);
6345 6346
	if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
		bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
6347 6348 6349 6350 6351

	bnx2_netif_start(bp);
}
#endif

H
Herbert Xu 已提交
6352
/* Called with netif_tx_lock.
M
Michael Chan 已提交
6353 6354
 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
 * netif_wake_queue().
6355
 */
6356
static netdev_tx_t
6357 6358
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
6359
	struct bnx2 *bp = netdev_priv(dev);
6360 6361
	dma_addr_t mapping;
	struct tx_bd *txbd;
B
Benjamin Li 已提交
6362
	struct sw_tx_bd *tx_buf;
6363 6364 6365
	u32 len, vlan_tag_flags, last_frag, mss;
	u16 prod, ring_prod;
	int i;
B
Benjamin Li 已提交
6366 6367 6368 6369 6370 6371 6372 6373 6374
	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);
6375

6376
	if (unlikely(bnx2_tx_avail(bp, txr) <
6377
	    (skb_shinfo(skb)->nr_frags + 1))) {
B
Benjamin Li 已提交
6378
		netif_tx_stop_queue(txq);
6379 6380 6381 6382 6383 6384
		printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
			dev->name);

		return NETDEV_TX_BUSY;
	}
	len = skb_headlen(skb);
6385
	prod = txr->tx_prod;
6386 6387 6388
	ring_prod = TX_RING_IDX(prod);

	vlan_tag_flags = 0;
6389
	if (skb->ip_summed == CHECKSUM_PARTIAL) {
6390 6391 6392
		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
	}

6393
#ifdef BCM_VLAN
A
Al Viro 已提交
6394
	if (bp->vlgrp && vlan_tx_tag_present(skb)) {
6395 6396 6397
		vlan_tag_flags |=
			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
	}
6398
#endif
6399
	if ((mss = skb_shinfo(skb)->gso_size)) {
6400
		u32 tcp_opt_len;
6401
		struct iphdr *iph;
6402 6403 6404

		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

6405 6406 6407 6408 6409
		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;
6410

6411 6412 6413 6414 6415 6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428
			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;
			}
6429
		}
6430
	} else
6431 6432
		mss = 0;

6433 6434
	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
6435 6436 6437 6438
		dev_kfree_skb(skb);
		return NETDEV_TX_OK;
	}

6439
	tx_buf = &txr->tx_buf_ring[ring_prod];
6440
	tx_buf->skb = skb;
6441
	pci_unmap_addr_set(tx_buf, mapping, mapping);
6442

6443
	txbd = &txr->tx_desc_ring[ring_prod];
6444 6445 6446 6447 6448 6449 6450

	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
6451 6452
	tx_buf->nr_frags = last_frag;
	tx_buf->is_gso = skb_is_gso(skb);
6453 6454 6455 6456 6457 6458

	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);
6459
		txbd = &txr->tx_desc_ring[ring_prod];
6460 6461

		len = frag->size;
6462 6463 6464 6465 6466 6467
		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;
		pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
				   mapping);
6468 6469 6470 6471 6472 6473 6474 6475 6476 6477

		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);
6478
	txr->tx_prod_bseq += skb->len;
6479

6480 6481
	REG_WR16(bp, txr->tx_bidx_addr, prod);
	REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
6482 6483 6484

	mmiowb();

6485
	txr->tx_prod = prod;
6486

6487
	if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
B
Benjamin Li 已提交
6488
		netif_tx_stop_queue(txq);
6489
		if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
B
Benjamin Li 已提交
6490
			netif_tx_wake_queue(txq);
6491 6492
	}

6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516
	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;
	pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
			 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];
		pci_unmap_page(bp->pdev, pci_unmap_addr(tx_buf, mapping),
			       skb_shinfo(skb)->frags[i].size,
			       PCI_DMA_TODEVICE);
	}

	dev_kfree_skb(skb);
6517 6518 6519 6520 6521 6522 6523
	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
6524
	struct bnx2 *bp = netdev_priv(dev);
6525

6526
	cancel_work_sync(&bp->reset_task);
6527

6528
	bnx2_disable_int_sync(bp);
6529
	bnx2_napi_disable(bp);
6530
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
6531
	bnx2_shutdown_chip(bp);
6532
	bnx2_free_irq(bp);
6533 6534 6535 6536
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
6537
	bnx2_set_power_state(bp, PCI_D3hot);
6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556
	return 0;
}

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

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

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

static struct net_device_stats *
bnx2_get_stats(struct net_device *dev)
{
M
Michael Chan 已提交
6557
	struct bnx2 *bp = netdev_priv(dev);
6558
	struct statistics_block *stats_blk = bp->stats_blk;
6559
	struct net_device_stats *net_stats = &dev->stats;
6560 6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579

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

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

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

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

6580
	net_stats->multicast =
6581 6582
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);

6583
	net_stats->collisions =
6584 6585
		(unsigned long) stats_blk->stat_EtherStatsCollisions;

6586
	net_stats->rx_length_errors =
6587 6588 6589
		(unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
		stats_blk->stat_EtherStatsOverrsizePkts);

6590
	net_stats->rx_over_errors =
M
Michael Chan 已提交
6591 6592
		(unsigned long) (stats_blk->stat_IfInFTQDiscards +
		stats_blk->stat_IfInMBUFDiscards);
6593

6594
	net_stats->rx_frame_errors =
6595 6596
		(unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;

6597
	net_stats->rx_crc_errors =
6598 6599 6600 6601 6602 6603 6604 6605 6606 6607
		(unsigned long) stats_blk->stat_Dot3StatsFCSErrors;

	net_stats->rx_errors = net_stats->rx_length_errors +
		net_stats->rx_over_errors + net_stats->rx_frame_errors +
		net_stats->rx_crc_errors;

	net_stats->tx_aborted_errors =
    		(unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
		stats_blk->stat_Dot3StatsLateCollisions);

M
Michael Chan 已提交
6608 6609
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
6610 6611 6612 6613 6614 6615 6616 6617
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
			(unsigned long)
			stats_blk->stat_Dot3StatsCarrierSenseErrors;
	}

	net_stats->tx_errors =
6618
    		(unsigned long)
6619 6620 6621 6622 6623
		stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
		+
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
6624
	net_stats->rx_missed_errors =
M
Michael Chan 已提交
6625 6626
		(unsigned long) (stats_blk->stat_IfInFTQDiscards +
		stats_blk->stat_IfInMBUFDiscards + stats_blk->stat_FwRxDrop);
M
Michael Chan 已提交
6627

6628 6629 6630 6631 6632 6633 6634 6635
	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
6636
	struct bnx2 *bp = netdev_priv(dev);
6637
	int support_serdes = 0, support_copper = 0;
6638 6639

	cmd->supported = SUPPORTED_Autoneg;
6640
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6641 6642 6643 6644 6645 6646 6647 6648
		support_serdes = 1;
		support_copper = 1;
	} else if (bp->phy_port == PORT_FIBRE)
		support_serdes = 1;
	else
		support_copper = 1;

	if (support_serdes) {
6649 6650
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;
6651
		if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6652
			cmd->supported |= SUPPORTED_2500baseX_Full;
6653 6654

	}
6655
	if (support_copper) {
6656 6657 6658 6659 6660 6661 6662 6663 6664
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

	}

6665 6666
	spin_lock_bh(&bp->phy_lock);
	cmd->port = bp->phy_port;
6667 6668 6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681 6682 6683
	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;
	}
6684
	spin_unlock_bh(&bp->phy_lock);
6685 6686 6687 6688 6689 6690

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

	return 0;
}
6691

6692 6693 6694
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
6695
	struct bnx2 *bp = netdev_priv(dev);
6696 6697 6698 6699
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;
6700 6701 6702 6703 6704 6705 6706
	int err = -EINVAL;

	spin_lock_bh(&bp->phy_lock);

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

6707 6708
	if (cmd->port != bp->phy_port &&
	    !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6709
		goto err_out_unlock;
6710

6711 6712 6713 6714 6715 6716
	/* 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;

6717 6718 6719
	if (cmd->autoneg == AUTONEG_ENABLE) {
		autoneg |= AUTONEG_SPEED;

6720
		cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6721 6722 6723 6724 6725 6726 6727

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

6728 6729
			if (cmd->port == PORT_FIBRE)
				goto err_out_unlock;
6730 6731 6732

			advertising = cmd->advertising;

6733
		} else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6734
			if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6735 6736 6737
			    (cmd->port == PORT_TP))
				goto err_out_unlock;
		} else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6738
			advertising = cmd->advertising;
6739 6740
		else if (cmd->advertising == ADVERTISED_1000baseT_Half)
			goto err_out_unlock;
6741
		else {
6742
			if (cmd->port == PORT_FIBRE)
6743
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
6744
			else
6745 6746 6747 6748 6749
				advertising = ETHTOOL_ALL_COPPER_SPEED;
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
6750
		if (cmd->port == PORT_FIBRE) {
M
Michael Chan 已提交
6751 6752 6753
			if ((cmd->speed != SPEED_1000 &&
			     cmd->speed != SPEED_2500) ||
			    (cmd->duplex != DUPLEX_FULL))
6754
				goto err_out_unlock;
M
Michael Chan 已提交
6755 6756

			if (cmd->speed == SPEED_2500 &&
6757
			    !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6758
				goto err_out_unlock;
6759
		}
6760 6761 6762
		else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
			goto err_out_unlock;

6763 6764 6765 6766 6767 6768 6769 6770 6771 6772 6773
		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;

6774 6775 6776 6777 6778 6779
	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);
6780

6781
err_out_unlock:
6782
	spin_unlock_bh(&bp->phy_lock);
6783

6784
	return err;
6785 6786 6787 6788 6789
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
6790
	struct bnx2 *bp = netdev_priv(dev);
6791 6792 6793 6794

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
6795
	strcpy(info->fw_version, bp->fw_version);
6796 6797
}

M
Michael Chan 已提交
6798 6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 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
#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;
		}
	}
}

6856 6857 6858
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
6859
	struct bnx2 *bp = netdev_priv(dev);
6860

6861
	if (bp->flags & BNX2_FLAG_NO_WOL) {
6862 6863 6864 6865 6866 6867 6868 6869 6870 6871 6872 6873 6874 6875 6876 6877
		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
6878
	struct bnx2 *bp = netdev_priv(dev);
6879 6880 6881 6882 6883

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

	if (wol->wolopts & WAKE_MAGIC) {
6884
		if (bp->flags & BNX2_FLAG_NO_WOL)
6885 6886 6887 6888 6889 6890 6891 6892 6893 6894 6895 6896 6897
			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
6898
	struct bnx2 *bp = netdev_priv(dev);
6899 6900
	u32 bmcr;

6901 6902 6903
	if (!netif_running(dev))
		return -EAGAIN;

6904 6905 6906 6907
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		return -EINVAL;
	}

6908
	spin_lock_bh(&bp->phy_lock);
6909

6910
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6911 6912 6913 6914 6915 6916 6917
		int rc;

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

6918
	/* Force a link down visible on the other side */
6919
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6920
		bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6921
		spin_unlock_bh(&bp->phy_lock);
6922 6923 6924

		msleep(20);

6925
		spin_lock_bh(&bp->phy_lock);
6926

M
Michael Chan 已提交
6927
		bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
6928 6929
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
6930 6931
	}

6932
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6933
	bmcr &= ~BMCR_LOOPBACK;
6934
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6935

6936
	spin_unlock_bh(&bp->phy_lock);
6937 6938 6939 6940

	return 0;
}

6941 6942 6943 6944 6945 6946 6947 6948
static u32
bnx2_get_link(struct net_device *dev)
{
	struct bnx2 *bp = netdev_priv(dev);

	return bp->link_up;
}

6949 6950 6951
static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
6952
	struct bnx2 *bp = netdev_priv(dev);
6953

M
Michael Chan 已提交
6954
	if (bp->flash_info == NULL)
6955 6956
		return 0;

M
Michael Chan 已提交
6957
	return (int) bp->flash_size;
6958 6959 6960 6961 6962 6963
}

static int
bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
6964
	struct bnx2 *bp = netdev_priv(dev);
6965 6966
	int rc;

6967 6968 6969
	if (!netif_running(dev))
		return -EAGAIN;

6970
	/* parameters already validated in ethtool_get_eeprom */
6971 6972 6973 6974 6975 6976 6977 6978 6979 6980

	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
6981
	struct bnx2 *bp = netdev_priv(dev);
6982 6983
	int rc;

6984 6985 6986
	if (!netif_running(dev))
		return -EAGAIN;

6987
	/* parameters already validated in ethtool_set_eeprom */
6988 6989 6990 6991 6992 6993 6994 6995 6996

	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
6997
	struct bnx2 *bp = netdev_priv(dev);
6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018

	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
7019
	struct bnx2 *bp = netdev_priv(dev);
7020 7021 7022 7023

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

7024
	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043 7044 7045 7046 7047
	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;
7048
	if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
7049 7050 7051
		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
			bp->stats_ticks = USEC_PER_SEC;
	}
7052 7053 7054
	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;
7055 7056 7057

	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
7058
		bnx2_init_nic(bp, 0);
7059 7060 7061 7062 7063 7064 7065 7066 7067
		bnx2_netif_start(bp);
	}

	return 0;
}

static void
bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
{
M
Michael Chan 已提交
7068
	struct bnx2 *bp = netdev_priv(dev);
7069

7070
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
7071
	ering->rx_mini_max_pending = 0;
7072
	ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
7073 7074 7075

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
7076
	ering->rx_jumbo_pending = bp->rx_pg_ring_size;
7077 7078 7079 7080 7081 7082

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

static int
7083
bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
7084
{
7085 7086 7087 7088 7089 7090 7091
	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
	}

7092 7093
	bnx2_set_rx_ring_size(bp, rx);
	bp->tx_ring_size = tx;
7094 7095

	if (netif_running(bp->dev)) {
7096 7097 7098
		int rc;

		rc = bnx2_alloc_mem(bp);
7099 7100 7101 7102 7103 7104
		if (!rc)
			rc = bnx2_init_nic(bp, 0);

		if (rc) {
			bnx2_napi_enable(bp);
			dev_close(bp->dev);
7105
			return rc;
7106
		}
7107 7108 7109 7110 7111
		bnx2_netif_start(bp);
	}
	return 0;
}

7112 7113 7114 7115 7116 7117 7118 7119 7120 7121 7122 7123 7124 7125 7126 7127
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;
}

7128 7129 7130
static void
bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
7131
	struct bnx2 *bp = netdev_priv(dev);
7132 7133 7134 7135 7136 7137 7138 7139 7140

	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
7141
	struct bnx2 *bp = netdev_priv(dev);
7142 7143 7144 7145 7146 7147 7148 7149 7150 7151 7152 7153 7154 7155

	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;
	}

7156 7157 7158 7159 7160
	if (netif_running(dev)) {
		spin_lock_bh(&bp->phy_lock);
		bnx2_setup_phy(bp, bp->phy_port);
		spin_unlock_bh(&bp->phy_lock);
	}
7161 7162 7163 7164 7165 7166 7167

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
7168
	struct bnx2 *bp = netdev_priv(dev);
7169 7170 7171 7172 7173 7174 7175

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
7176
	struct bnx2 *bp = netdev_priv(dev);
7177 7178 7179 7180 7181

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
7182 7183 7184
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
7185 7186 7187
	struct bnx2 *bp = netdev_priv(dev);

	if (data) {
M
Michael Chan 已提交
7188
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7189 7190 7191 7192 7193
		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
7194 7195 7196
	return 0;
}

7197
static struct {
7198
	char string[ETH_GSTRING_LEN];
M
Michael Chan 已提交
7199
} bnx2_stats_str_arr[] = {
7200 7201 7202 7203 7204 7205 7206 7207 7208 7209 7210 7211 7212 7213 7214 7215 7216 7217 7218 7219 7220 7221 7222 7223 7224 7225 7226 7227 7228 7229 7230 7231 7232 7233 7234 7235 7236 7237 7238 7239 7240 7241 7242 7243
	{ "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
7244
	{ "rx_ftq_discards" },
7245
	{ "rx_discards" },
M
Michael Chan 已提交
7246
	{ "rx_fw_discards" },
7247 7248
};

M
Michael Chan 已提交
7249 7250 7251
#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
			sizeof(bnx2_stats_str_arr[0]))

7252 7253
#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)

7254
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265
    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),
7266 7267 7268 7269 7270 7271 7272 7273 7274 7275 7276 7277 7278 7279 7280 7281 7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292 7293 7294 7295 7296 7297 7298
    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
7299
    STATS_OFFSET32(stat_IfInFTQDiscards),
7300
    STATS_OFFSET32(stat_IfInMBUFDiscards),
M
Michael Chan 已提交
7301
    STATS_OFFSET32(stat_FwRxDrop),
7302 7303 7304 7305
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
7306
 */
7307
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
7308 7309 7310 7311
	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
7312
	4,4,4,4,4,4,4,
7313 7314
};

M
Michael Chan 已提交
7315 7316 7317 7318 7319
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
7320
	4,4,4,4,4,4,4,
M
Michael Chan 已提交
7321 7322
};

7323 7324
#define BNX2_NUM_TESTS 6

7325
static struct {
7326 7327 7328 7329 7330 7331 7332 7333 7334 7335 7336
	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
7337
bnx2_get_sset_count(struct net_device *dev, int sset)
7338
{
7339 7340 7341 7342 7343 7344 7345 7346
	switch (sset) {
	case ETH_SS_TEST:
		return BNX2_NUM_TESTS;
	case ETH_SS_STATS:
		return BNX2_NUM_STATS;
	default:
		return -EOPNOTSUPP;
	}
7347 7348 7349 7350 7351
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
7352
	struct bnx2 *bp = netdev_priv(dev);
7353

7354 7355
	bnx2_set_power_state(bp, PCI_D0);

7356 7357
	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
M
Michael Chan 已提交
7358 7359
		int i;

7360 7361 7362 7363 7364 7365 7366 7367 7368 7369 7370 7371
		bnx2_netif_stop(bp);
		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
		bnx2_free_skbs(bp);

		if (bnx2_test_registers(bp) != 0) {
			buf[0] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
		if (bnx2_test_memory(bp) != 0) {
			buf[1] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
M
Michael Chan 已提交
7372
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
7373 7374
			etest->flags |= ETH_TEST_FL_FAILED;

7375 7376
		if (!netif_running(bp->dev))
			bnx2_shutdown_chip(bp);
7377
		else {
7378
			bnx2_init_nic(bp, 1);
7379 7380 7381 7382
			bnx2_netif_start(bp);
		}

		/* wait for link up */
M
Michael Chan 已提交
7383 7384 7385 7386 7387
		for (i = 0; i < 7; i++) {
			if (bp->link_up)
				break;
			msleep_interruptible(1000);
		}
7388 7389 7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402 7403
	}

	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;

	}
7404 7405
	if (!netif_running(bp->dev))
		bnx2_set_power_state(bp, PCI_D3hot);
7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425 7426
}

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
7427
	struct bnx2 *bp = netdev_priv(dev);
7428 7429
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
7430
	u8 *stats_len_arr = NULL;
7431 7432 7433 7434 7435 7436

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

M
Michael Chan 已提交
7437 7438 7439 7440
	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))
7441
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
7442 7443
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
7444 7445 7446 7447 7448 7449 7450 7451 7452 7453 7454 7455 7456 7457 7458 7459 7460 7461 7462 7463 7464 7465 7466

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

static int
bnx2_phys_id(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
7467
	struct bnx2 *bp = netdev_priv(dev);
7468 7469 7470
	int i;
	u32 save;

7471 7472
	bnx2_set_power_state(bp, PCI_D0);

7473 7474 7475 7476 7477 7478 7479 7480 7481 7482 7483 7484 7485 7486 7487 7488 7489 7490 7491 7492 7493 7494 7495 7496
	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);
7497 7498 7499 7500

	if (!netif_running(dev))
		bnx2_set_power_state(bp, PCI_D3hot);

7501 7502 7503
	return 0;
}

7504 7505 7506 7507 7508 7509
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)
7510
		return (ethtool_op_set_tx_ipv6_csum(dev, data));
7511 7512 7513 7514
	else
		return (ethtool_op_set_tx_csum(dev, data));
}

7515
static const struct ethtool_ops bnx2_ethtool_ops = {
7516 7517 7518
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
7519 7520
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
7521 7522 7523
	.get_wol		= bnx2_get_wol,
	.set_wol		= bnx2_set_wol,
	.nway_reset		= bnx2_nway_reset,
7524
	.get_link		= bnx2_get_link,
7525 7526 7527 7528 7529 7530 7531 7532 7533 7534 7535
	.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,
7536
	.set_tx_csum		= bnx2_set_tx_csum,
7537
	.set_sg			= ethtool_op_set_sg,
M
Michael Chan 已提交
7538
	.set_tso		= bnx2_set_tso,
7539 7540 7541 7542
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
7543
	.get_sset_count		= bnx2_get_sset_count,
7544 7545 7546 7547 7548 7549
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
7550
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
7551
	struct bnx2 *bp = netdev_priv(dev);
7552 7553 7554 7555 7556 7557 7558 7559 7560 7561
	int err;

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

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

7562
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7563 7564
			return -EOPNOTSUPP;

7565 7566 7567
		if (!netif_running(dev))
			return -EAGAIN;

7568
		spin_lock_bh(&bp->phy_lock);
7569
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
7570
		spin_unlock_bh(&bp->phy_lock);
7571 7572 7573 7574 7575 7576 7577

		data->val_out = mii_regval;

		return err;
	}

	case SIOCSMIIREG:
7578
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7579 7580
			return -EOPNOTSUPP;

7581 7582 7583
		if (!netif_running(dev))
			return -EAGAIN;

7584
		spin_lock_bh(&bp->phy_lock);
7585
		err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
7586
		spin_unlock_bh(&bp->phy_lock);
7587 7588 7589 7590 7591 7592 7593 7594 7595 7596 7597 7598 7599 7600 7601

		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
7602
	struct bnx2 *bp = netdev_priv(dev);
7603

7604 7605 7606
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

7607 7608
	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
	if (netif_running(dev))
7609
		bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
7610 7611 7612 7613 7614 7615 7616 7617

	return 0;
}

/* Called with rtnl_lock */
static int
bnx2_change_mtu(struct net_device *dev, int new_mtu)
{
M
Michael Chan 已提交
7618
	struct bnx2 *bp = netdev_priv(dev);
7619 7620 7621 7622 7623 7624

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

	dev->mtu = new_mtu;
7625
	return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
7626 7627 7628 7629 7630 7631
}

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
static void
poll_bnx2(struct net_device *dev)
{
M
Michael Chan 已提交
7632
	struct bnx2 *bp = netdev_priv(dev);
7633
	int i;
7634

7635 7636 7637 7638 7639
	for (i = 0; i < bp->irq_nvecs; i++) {
		disable_irq(bp->irq_tbl[i].vector);
		bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]);
		enable_irq(bp->irq_tbl[i].vector);
	}
7640 7641 7642
}
#endif

7643 7644 7645 7646 7647 7648 7649 7650 7651 7652
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) {
7653
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7654 7655 7656 7657 7658 7659 7660 7661 7662 7663 7664 7665 7666
		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:
7667
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7668 7669 7670 7671 7672 7673 7674
			return;
		}
	} else {
		switch (strap) {
		case 0x1:
		case 0x2:
		case 0x4:
7675
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7676 7677 7678 7679 7680
			return;
		}
	}
}

7681 7682 7683 7684 7685 7686 7687 7688 7689
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;

7690
		bp->flags |= BNX2_FLAG_PCIX;
7691 7692 7693 7694 7695 7696 7697 7698 7699 7700 7701 7702 7703 7704 7705 7706 7707 7708 7709 7710 7711 7712 7713 7714 7715 7716 7717 7718 7719 7720 7721 7722 7723 7724 7725 7726 7727 7728

		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)
7729
		bp->flags |= BNX2_FLAG_PCI_32BIT;
7730 7731 7732

}

7733 7734 7735 7736 7737 7738 7739 7740
static void __devinit
bnx2_read_vpd_fw_ver(struct bnx2 *bp)
{
	int rc, i, v0_len = 0;
	u8 *data;
	u8 *v0_str = NULL;
	bool mn_match = false;

M
Michael Chan 已提交
7741 7742
#define BNX2_VPD_NVRAM_OFFSET	0x300
#define BNX2_VPD_LEN		128
7743 7744 7745 7746 7747 7748
#define BNX2_MAX_VER_SLEN	30

	data = kmalloc(256, GFP_KERNEL);
	if (!data)
		return;

M
Michael Chan 已提交
7749 7750
	rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
			     BNX2_VPD_LEN);
7751 7752 7753
	if (rc)
		goto vpd_done;

M
Michael Chan 已提交
7754 7755 7756 7757 7758
	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];
7759 7760
	}

M
Michael Chan 已提交
7761
	for (i = 0; i <= BNX2_VPD_LEN - 3; ) {
7762 7763 7764 7765 7766 7767 7768 7769 7770 7771 7772 7773 7774 7775
		unsigned char val = data[i];
		unsigned int block_end;

		if (val == 0x82 || val == 0x91) {
			i = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
			continue;
		}

		if (val != 0x90)
			goto vpd_done;

		block_end = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
		i += 3;

M
Michael Chan 已提交
7776
		if (block_end > BNX2_VPD_LEN)
7777 7778 7779
			goto vpd_done;

		while (i < (block_end - 2)) {
M
Michael Chan 已提交
7780
			int len = data[i + 2];
7781

M
Michael Chan 已提交
7782 7783
			if (i + 3 + len > block_end)
				goto vpd_done;
7784

M
Michael Chan 已提交
7785 7786 7787
			if (data[i] == 'M' && data[i + 1] == 'N') {
				if (len != 4 ||
				    memcmp(&data[i + 3], "1028", 4))
7788 7789 7790 7791
					goto vpd_done;
				mn_match = true;

			} else if (data[i] == 'V' && data[i + 1] == '0') {
M
Michael Chan 已提交
7792
				if (len > BNX2_MAX_VER_SLEN)
7793 7794
					goto vpd_done;

M
Michael Chan 已提交
7795 7796
				v0_len = len;
				v0_str = &data[i + 3];
7797
			}
M
Michael Chan 已提交
7798
			i += 3 + len;
7799 7800 7801 7802 7803 7804 7805 7806 7807 7808 7809 7810 7811 7812

			if (mn_match && v0_str) {
				memcpy(bp->fw_version, v0_str, v0_len);
				bp->fw_version[v0_len] = ' ';
				goto vpd_done;
			}
		}
		goto vpd_done;
	}

vpd_done:
	kfree(data);
}

7813 7814 7815 7816 7817
static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
7818
	int rc, i, j;
7819
	u32 reg;
7820
	u64 dma_mask, persist_dma_mask;
7821 7822

	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
7823
	bp = netdev_priv(dev);
7824 7825 7826 7827 7828 7829 7830

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

	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
7831
		dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7832 7833 7834 7835
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7836
		dev_err(&pdev->dev,
7837
			"Cannot find PCI device base address, aborting.\n");
7838 7839 7840 7841 7842 7843
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
7844
		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7845 7846 7847 7848
		goto err_out_disable;
	}

	pci_set_master(pdev);
W
Wendy Xiong 已提交
7849
	pci_save_state(pdev);
7850 7851 7852

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
7853
		dev_err(&pdev->dev,
7854
			"Cannot find power management capability, aborting.\n");
7855 7856 7857 7858 7859 7860 7861 7862
		rc = -EIO;
		goto err_out_release;
	}

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

	spin_lock_init(&bp->phy_lock);
M
Michael Chan 已提交
7863
	spin_lock_init(&bp->indirect_lock);
7864 7865 7866
#ifdef BCM_CNIC
	mutex_init(&bp->cnic_lock);
#endif
D
David Howells 已提交
7867
	INIT_WORK(&bp->reset_task, bnx2_reset_task);
7868 7869

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7870
	mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
7871 7872 7873 7874 7875 7876
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

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

	if (!bp->regview) {
7877
		dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7878 7879 7880 7881 7882 7883 7884 7885 7886 7887 7888 7889
		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);

7890
	bnx2_set_power_state(bp, PCI_D0);
7891 7892 7893

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

7894 7895 7896 7897 7898 7899 7900
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
			dev_err(&pdev->dev,
				"Cannot find PCIE capability, aborting.\n");
			rc = -EIO;
			goto err_out_unmap;
		}
7901
		bp->flags |= BNX2_FLAG_PCIE;
7902
		if (CHIP_REV(bp) == CHIP_REV_Ax)
7903
			bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7904
	} else {
M
Michael Chan 已提交
7905 7906 7907 7908 7909 7910 7911
		bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
		if (bp->pcix_cap == 0) {
			dev_err(&pdev->dev,
				"Cannot find PCIX capability, aborting.\n");
			rc = -EIO;
			goto err_out_unmap;
		}
7912
		bp->flags |= BNX2_FLAG_BROKEN_STATS;
M
Michael Chan 已提交
7913 7914
	}

7915 7916
	if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7917
			bp->flags |= BNX2_FLAG_MSIX_CAP;
7918 7919
	}

7920 7921
	if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7922
			bp->flags |= BNX2_FLAG_MSI_CAP;
7923 7924
	}

7925 7926
	/* 5708 cannot support DMA addresses > 40-bit.  */
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
7927
		persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
7928
	else
7929
		persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
7930 7931 7932 7933 7934 7935 7936 7937 7938 7939

	/* Configure DMA attributes. */
	if (pci_set_dma_mask(pdev, dma_mask) == 0) {
		dev->features |= NETIF_F_HIGHDMA;
		rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
		if (rc) {
			dev_err(&pdev->dev,
				"pci_set_consistent_dma_mask failed, aborting.\n");
			goto err_out_unmap;
		}
7940
	} else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
7941 7942 7943 7944
		dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
		goto err_out_unmap;
	}

7945
	if (!(bp->flags & BNX2_FLAG_PCIE))
7946
		bnx2_get_pci_speed(bp);
7947 7948 7949 7950 7951 7952 7953 7954

	/* 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) &&
7955
		!(bp->flags & BNX2_FLAG_PCIX)) {
7956

7957
		dev_err(&pdev->dev,
7958
			"5706 A1 can only be used in a PCIX bus, aborting.\n");
7959 7960 7961 7962 7963
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

7964
	reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7965 7966

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7967 7968 7969
	    BNX2_SHM_HDR_SIGNATURE_SIG) {
		u32 off = PCI_FUNC(pdev->devfn) << 2;

7970
		bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7971
	} else
7972 7973
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

7974 7975 7976
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
7977
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7978 7979 7980

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7981
		dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7982 7983 7984 7985
		rc = -ENODEV;
		goto err_out_unmap;
	}

7986 7987 7988
	bnx2_read_vpd_fw_ver(bp);

	j = strlen(bp->fw_version);
7989
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7990
	for (i = 0; i < 3 && j < 24; i++) {
7991 7992
		u8 num, k, skip0;

7993 7994 7995 7996 7997
		if (i == 0) {
			bp->fw_version[j++] = 'b';
			bp->fw_version[j++] = 'c';
			bp->fw_version[j++] = ' ';
		}
7998 7999 8000 8001 8002 8003 8004 8005 8006 8007
		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++] = '.';
	}
8008
	reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
M
Michael Chan 已提交
8009 8010 8011 8012
	if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
		bp->wol = 1;

	if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
8013
		bp->flags |= BNX2_FLAG_ASF_ENABLE;
8014 8015

		for (i = 0; i < 30; i++) {
8016
			reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
8017 8018 8019 8020 8021
			if (reg & BNX2_CONDITION_MFW_RUN_MASK)
				break;
			msleep(10);
		}
	}
8022
	reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
8023 8024 8025
	reg &= BNX2_CONDITION_MFW_RUN_MASK;
	if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
	    reg != BNX2_CONDITION_MFW_RUN_NONE) {
8026
		u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
8027

8028 8029 8030
		if (j < 32)
			bp->fw_version[j++] = ' ';
		for (i = 0; i < 3 && j < 28; i++) {
8031
			reg = bnx2_reg_rd_ind(bp, addr + i * 4);
8032 8033 8034 8035 8036
			reg = swab32(reg);
			memcpy(&bp->fw_version[j], &reg, 4);
			j += 4;
		}
	}
8037

8038
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
8039 8040 8041
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

8042
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
8043 8044 8045 8046 8047 8048
	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;
8049
	bnx2_set_rx_ring_size(bp, 255);
8050 8051 8052

	bp->rx_csum = 1;

8053
	bp->tx_quick_cons_trip_int = 2;
8054
	bp->tx_quick_cons_trip = 20;
8055
	bp->tx_ticks_int = 18;
8056
	bp->tx_ticks = 80;
8057

8058 8059
	bp->rx_quick_cons_trip_int = 2;
	bp->rx_quick_cons_trip = 12;
8060 8061 8062
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

8063
	bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
8064

8065
	bp->current_interval = BNX2_TIMER_INTERVAL;
8066

M
Michael Chan 已提交
8067 8068
	bp->phy_addr = 1;

8069
	/* Disable WOL support if we are running on a SERDES chip. */
8070 8071 8072
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_get_5709_media(bp);
	else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
8073
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
M
Michael Chan 已提交
8074

8075
	bp->phy_port = PORT_TP;
8076
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
8077
		bp->phy_port = PORT_FIBRE;
8078
		reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
8079
		if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
8080
			bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
8081 8082
			bp->wol = 0;
		}
8083 8084 8085 8086 8087 8088 8089 8090 8091
		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
8092 8093
			bp->phy_addr = 2;
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
8094
				bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
M
Michael Chan 已提交
8095
		}
8096 8097
	} else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
		   CHIP_NUM(bp) == CHIP_NUM_5708)
8098
		bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
8099 8100 8101
	else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
		 (CHIP_REV(bp) == CHIP_REV_Ax ||
		  CHIP_REV(bp) == CHIP_REV_Bx))
8102
		bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
8103

8104 8105
	bnx2_init_fw_cap(bp);

8106 8107
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
M
Michael Chan 已提交
8108 8109
	    (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
	    !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
8110
		bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
8111 8112
		bp->wol = 0;
	}
M
Michael Chan 已提交
8113

8114 8115 8116 8117 8118 8119 8120 8121 8122 8123 8124 8125
	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;
	}

8126 8127 8128 8129 8130 8131 8132 8133
	/* 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
8134
	 * prefers to locally disable MSI rather than globally disabling it.
8135 8136 8137 8138 8139 8140 8141 8142
	 */
	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))) {

8143 8144
			if (amd_8132->revision >= 0x10 &&
			    amd_8132->revision <= 0x13) {
8145 8146 8147 8148 8149 8150 8151
				disable_msi = 1;
				pci_dev_put(amd_8132);
				break;
			}
		}
	}

8152
	bnx2_set_default_link(bp);
8153 8154
	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
8155
	init_timer(&bp->timer);
8156
	bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
M
Michael Chan 已提交
8157 8158 8159
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

8160 8161 8162 8163 8164
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
8165
		bp->regview = NULL;
8166 8167 8168 8169 8170 8171 8172 8173 8174 8175 8176 8177 8178
	}

err_out_release:
	pci_release_regions(pdev);

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

err_out:
	return rc;
}

8179 8180 8181 8182 8183
static char * __devinit
bnx2_bus_string(struct bnx2 *bp, char *str)
{
	char *s = str;

8184
	if (bp->flags & BNX2_FLAG_PCIE) {
8185 8186 8187
		s += sprintf(s, "PCI Express");
	} else {
		s += sprintf(s, "PCI");
8188
		if (bp->flags & BNX2_FLAG_PCIX)
8189
			s += sprintf(s, "-X");
8190
		if (bp->flags & BNX2_FLAG_PCI_32BIT)
8191 8192 8193 8194 8195 8196 8197 8198
			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
8199
static void __devinit
8200 8201
bnx2_init_napi(struct bnx2 *bp)
{
8202
	int i;
8203

8204
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
8205 8206 8207 8208 8209 8210
		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
		int (*poll)(struct napi_struct *, int);

		if (i == 0)
			poll = bnx2_poll;
		else
8211
			poll = bnx2_poll_msix;
8212 8213

		netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
8214 8215
		bnapi->bp = bp;
	}
8216 8217
}

8218 8219 8220 8221 8222 8223 8224 8225 8226 8227 8228 8229 8230 8231 8232 8233 8234 8235 8236
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
#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
	.ndo_poll_controller	= poll_bnx2,
#endif
};

E
Eric Dumazet 已提交
8237 8238 8239 8240 8241 8242 8243
static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
{
#ifdef BCM_VLAN
	dev->vlan_features |= flags;
#endif
}

8244 8245 8246 8247 8248 8249
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;
8250
	int rc;
8251
	char str[40];
8252 8253 8254 8255 8256

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

	/* dev zeroed in init_etherdev */
B
Benjamin Li 已提交
8257
	dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
8258 8259 8260 8261 8262 8263 8264 8265 8266 8267

	if (!dev)
		return -ENOMEM;

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

8268
	dev->netdev_ops = &bnx2_netdev_ops;
8269 8270 8271
	dev->watchdog_timeo = TX_TIMEOUT;
	dev->ethtool_ops = &bnx2_ethtool_ops;

M
Michael Chan 已提交
8272
	bp = netdev_priv(dev);
8273
	bnx2_init_napi(bp);
8274

8275 8276
	pci_set_drvdata(pdev, dev);

M
Michael Chan 已提交
8277 8278 8279 8280
	rc = bnx2_request_firmware(bp);
	if (rc)
		goto error;

8281 8282 8283
	memcpy(dev->dev_addr, bp->mac_addr, 6);
	memcpy(dev->perm_addr, bp->mac_addr, 6);

8284
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
E
Eric Dumazet 已提交
8285 8286
	vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
8287
		dev->features |= NETIF_F_IPV6_CSUM;
E
Eric Dumazet 已提交
8288 8289
		vlan_features_add(dev, NETIF_F_IPV6_CSUM);
	}
8290 8291 8292 8293
#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
8294 8295
	vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
8296
		dev->features |= NETIF_F_TSO6;
E
Eric Dumazet 已提交
8297 8298
		vlan_features_add(dev, NETIF_F_TSO6);
	}
8299
	if ((rc = register_netdev(dev))) {
8300
		dev_err(&pdev->dev, "Cannot register net device\n");
M
Michael Chan 已提交
8301
		goto error;
8302 8303
	}

8304
	printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
J
Johannes Berg 已提交
8305
		"IRQ %d, node addr %pM\n",
8306
		dev->name,
8307
		board_info[ent->driver_data].name,
8308 8309
		((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		((CHIP_ID(bp) & 0x0ff0) >> 4),
8310
		bnx2_bus_string(bp, str),
8311
		dev->base_addr,
J
Johannes Berg 已提交
8312
		bp->pdev->irq, dev->dev_addr);
8313 8314

	return 0;
M
Michael Chan 已提交
8315 8316 8317 8318 8319 8320 8321 8322 8323 8324 8325 8326 8327 8328

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;
8329 8330 8331 8332 8333 8334
}

static void __devexit
bnx2_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8335
	struct bnx2 *bp = netdev_priv(dev);
8336

8337 8338
	flush_scheduled_work();

8339 8340
	unregister_netdev(dev);

M
Michael Chan 已提交
8341 8342 8343 8344 8345
	if (bp->mips_firmware)
		release_firmware(bp->mips_firmware);
	if (bp->rv2p_firmware)
		release_firmware(bp->rv2p_firmware);

8346 8347 8348 8349 8350 8351 8352 8353 8354 8355
	if (bp->regview)
		iounmap(bp->regview);

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

static int
8356
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
8357 8358
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8359
	struct bnx2 *bp = netdev_priv(dev);
8360

8361 8362 8363 8364 8365
	/* 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);
8366 8367 8368
	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
8369
	flush_scheduled_work();
8370 8371 8372
	bnx2_netif_stop(bp);
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
8373
	bnx2_shutdown_chip(bp);
8374
	bnx2_free_skbs(bp);
8375
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
8376 8377 8378 8379 8380 8381 8382
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8383
	struct bnx2 *bp = netdev_priv(dev);
8384

8385
	pci_restore_state(pdev);
8386 8387 8388
	if (!netif_running(dev))
		return 0;

8389
	bnx2_set_power_state(bp, PCI_D0);
8390
	netif_device_attach(dev);
8391
	bnx2_init_nic(bp, 1);
8392 8393 8394 8395
	bnx2_netif_start(bp);
	return 0;
}

W
Wendy Xiong 已提交
8396 8397 8398 8399 8400 8401 8402 8403 8404 8405 8406 8407 8408 8409 8410 8411 8412
/**
 * 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);

8413 8414 8415 8416 8417
	if (state == pci_channel_io_perm_failure) {
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

W
Wendy Xiong 已提交
8418 8419 8420 8421 8422 8423 8424 8425 8426 8427 8428 8429 8430 8431 8432 8433 8434 8435 8436 8437 8438 8439 8440 8441 8442 8443 8444 8445 8446 8447 8448 8449 8450
	if (netif_running(dev)) {
		bnx2_netif_stop(bp);
		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,
			"Cannot re-enable PCI device after reset.\n");
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}
	pci_set_master(pdev);
	pci_restore_state(pdev);
B
Breno Leitao 已提交
8451
	pci_save_state(pdev);
W
Wendy Xiong 已提交
8452 8453 8454 8455 8456 8457 8458 8459 8460 8461 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 8487

	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))
		bnx2_netif_start(bp);

	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,
};

8488
static struct pci_driver bnx2_pci_driver = {
8489 8490 8491 8492 8493 8494
	.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
8495
	.err_handler	= &bnx2_err_handler,
8496 8497 8498 8499
};

static int __init bnx2_init(void)
{
8500
	return pci_register_driver(&bnx2_pci_driver);
8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512
}

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

module_init(bnx2_init);
module_exit(bnx2_cleanup);