bnx2.c 206.4 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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#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);
	}
461
	mutex_unlock(&bp->cnic_lock);
462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477
}

#else

static void
bnx2_cnic_stop(struct bnx2 *bp)
{
}

static void
bnx2_cnic_start(struct bnx2 *bp)
{
}

#endif

478 479 480 481 482 483
static int
bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
{
	u32 val1;
	int i, ret;

484
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521
		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;
	}

522
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540
		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;

541
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
542 543 544 545 546 547 548 549 550 551 552 553 554
		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);
555

556 557 558 559 560 561 562 563 564 565 566 567 568 569 570
	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;

571
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
572 573 574 575 576 577 578 579 580 581 582 583 584 585 586
		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)
{
587 588 589 590 591 592 593 594
	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);
	}
595 596 597 598 599 600
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
}

static void
bnx2_enable_int(struct bnx2 *bp)
{
601 602
	int i;
	struct bnx2_napi *bnapi;
603

604 605
	for (i = 0; i < bp->irq_nvecs; i++) {
		bnapi = &bp->bnx2_napi[i];
606

607 608 609 610
		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);
611

612 613 614 615
		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
616
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
617 618 619 620 621
}

static void
bnx2_disable_int_sync(struct bnx2 *bp)
{
622 623
	int i;

624
	atomic_inc(&bp->intr_sem);
625 626 627
	if (!netif_running(bp->dev))
		return;

628
	bnx2_disable_int(bp);
629 630
	for (i = 0; i < bp->irq_nvecs; i++)
		synchronize_irq(bp->irq_tbl[i].vector);
631 632
}

633 634 635
static void
bnx2_napi_disable(struct bnx2 *bp)
{
636 637 638 639
	int i;

	for (i = 0; i < bp->irq_nvecs; i++)
		napi_disable(&bp->bnx2_napi[i].napi);
640 641 642 643 644
}

static void
bnx2_napi_enable(struct bnx2 *bp)
{
645 646 647 648
	int i;

	for (i = 0; i < bp->irq_nvecs; i++)
		napi_enable(&bp->bnx2_napi[i].napi);
649 650
}

651 652 653
static void
bnx2_netif_stop(struct bnx2 *bp)
{
654
	bnx2_cnic_stop(bp);
655
	if (netif_running(bp->dev)) {
656 657
		int i;

658
		bnx2_napi_disable(bp);
659
		netif_tx_disable(bp->dev);
660 661 662 663 664 665 666
		/* 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;
		}
667
	}
668
	bnx2_disable_int_sync(bp);
669 670 671 672 673 674 675
}

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
676
			netif_tx_wake_all_queues(bp->dev);
677
			bnx2_napi_enable(bp);
678
			bnx2_enable_int(bp);
679
			bnx2_cnic_start(bp);
680 681 682 683
		}
	}
}

684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703
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;
	}
}

704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720
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;
		}
721
		vfree(rxr->rx_buf_ring);
722 723 724 725 726
		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,
727 728 729
						    rxr->rx_pg_desc_ring[j],
						    rxr->rx_pg_desc_mapping[j]);
			rxr->rx_pg_desc_ring[j] = NULL;
730
		}
731
		vfree(rxr->rx_pg_ring);
732 733 734 735
		rxr->rx_pg_ring = NULL;
	}
}

736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757
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;
}

758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806
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;
}

807 808 809
static void
bnx2_free_mem(struct bnx2 *bp)
{
810
	int i;
811
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
812

813
	bnx2_free_tx_mem(bp);
814
	bnx2_free_rx_mem(bp);
815

M
Michael Chan 已提交
816 817 818 819 820 821 822 823
	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;
		}
	}
824
	if (bnapi->status_blk.msi) {
825
		pci_free_consistent(bp->pdev, bp->status_stats_size,
826 827 828
				    bnapi->status_blk.msi,
				    bp->status_blk_mapping);
		bnapi->status_blk.msi = NULL;
829
		bp->stats_blk = NULL;
830 831 832 833 834 835
	}
}

static int
bnx2_alloc_mem(struct bnx2 *bp)
{
836
	int i, status_blk_size, err;
837 838
	struct bnx2_napi *bnapi;
	void *status_blk;
839

840 841
	/* Combine status and statistics blocks into one allocation. */
	status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
842
	if (bp->flags & BNX2_FLAG_MSIX_CAP)
843 844
		status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
						 BNX2_SBLK_MSIX_ALIGN_SIZE);
845 846 847
	bp->status_stats_size = status_blk_size +
				sizeof(struct statistics_block);

848 849 850
	status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
					  &bp->status_blk_mapping);
	if (status_blk == NULL)
851 852
		goto alloc_mem_err;

853
	memset(status_blk, 0, bp->status_stats_size);
854

855 856 857 858 859 860
	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;
861
	if (bp->flags & BNX2_FLAG_MSIX_CAP) {
862
		for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
863 864 865
			struct status_block_msix *sblk;

			bnapi = &bp->bnx2_napi[i];
866

867 868 869 870 871 872 873
			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;
874 875 876
			bnapi->int_num = i << 24;
		}
	}
877

878
	bp->stats_blk = status_blk + status_blk_size;
879

880
	bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
881

M
Michael Chan 已提交
882 883 884 885 886 887 888 889 890 891 892 893
	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;
		}
	}
894

895 896 897 898
	err = bnx2_alloc_rx_mem(bp);
	if (err)
		goto alloc_mem_err;

899 900 901 902
	err = bnx2_alloc_tx_mem(bp);
	if (err)
		goto alloc_mem_err;

903 904 905 906 907 908 909
	return 0;

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

910 911 912 913 914
static void
bnx2_report_fw_link(struct bnx2 *bp)
{
	u32 fw_link_status = 0;

915
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
916 917
		return;

918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952
	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;

953 954
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
955 956

			if (!(bmsr & BMSR_ANEGCOMPLETE) ||
957
			    bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
958 959 960 961 962 963 964 965
				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;

966
	bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
967 968
}

M
Michael Chan 已提交
969 970 971 972
static char *
bnx2_xceiver_str(struct bnx2 *bp)
{
	return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
973
		((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
M
Michael Chan 已提交
974 975 976
		 "Copper"));
}

977 978 979 980 981
static void
bnx2_report_link(struct bnx2 *bp)
{
	if (bp->link_up) {
		netif_carrier_on(bp->dev);
M
Michael Chan 已提交
982 983
		printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
		       bnx2_xceiver_str(bp));
984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006

		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
1007 1008
		printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
		       bnx2_xceiver_str(bp));
1009
	}
1010 1011

	bnx2_report_fw_link(bp);
1012 1013 1014 1015 1016 1017 1018 1019
}

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

	bp->flow_ctrl = 0;
1020
	if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032
		(AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {

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

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

1033
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
M
Michael Chan 已提交
1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044
	    (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;
	}

1045 1046
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1047

1048
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089
		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;
		}
	}
}

1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128
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;
}

1129
static int
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bnx2_5708s_linkup(struct bnx2 *bp)
{
	u32 val;

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

	return 0;
}

static int
bnx2_5706s_linkup(struct bnx2 *bp)
1160 1161 1162 1163 1164 1165
{
	u32 bmcr, local_adv, remote_adv, common;

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

1166
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177
	if (bmcr & BMCR_FULLDPLX) {
		bp->duplex = DUPLEX_FULL;
	}
	else {
		bp->duplex = DUPLEX_HALF;
	}

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

1178 1179
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199

	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;

1200
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216
	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 {
1217 1218
			bnx2_read_phy(bp, bp->mii_adv, &local_adv);
			bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260

			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;
}

1261
static void
1262
bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
1263
{
1264
	u32 val, rx_cid_addr = GET_CID_ADDR(cid);
1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279

	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;

1280
		hi_water = min_t(int, bp->rx_ring_size / 4, lo_water + 16);
1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296

		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);
}

1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309
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);
	}
}

1310
static void
1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324
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);
1327 1328

	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;
		}
1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373
	}
	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);

1374
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
1375
		bnx2_init_all_rx_contexts(bp);
1376 1377
}

1378 1379 1380
static void
bnx2_enable_bmsr1(struct bnx2 *bp)
{
1381
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1382 1383 1384 1385 1386 1387 1388 1389
	    (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)
{
1390
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1391 1392 1393 1394 1395
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
}

1396 1397 1398 1399 1400 1401
static int
bnx2_test_and_enable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 1;

1402
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1403 1404 1405 1406 1407
		return 0;

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

1408 1409 1410
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1411 1412 1413 1414 1415 1416 1417
	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;
	}

1418 1419 1420 1421
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1422 1423 1424 1425 1426 1427 1428 1429 1430
	return ret;
}

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

1431
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1432 1433
		return 0;

1434 1435 1436
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1437 1438 1439 1440 1441 1442 1443
	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;
	}

1444 1445 1446 1447
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1448 1449 1450 1451 1452 1453 1454 1455
	return ret;
}

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

1456
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1457 1458
		return;

1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473
	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) {
1474 1475
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr |= BCM5708S_BMCR_FORCE_2500;
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	} else {
		return;
1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492
	}

	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;

1493
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1494 1495
		return;

1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509
	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) {
1510 1511
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr &= ~BCM5708S_BMCR_FORCE_2500;
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	} else {
		return;
1514 1515 1516 1517 1518 1519 1520
	}

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

1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533
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);
}

1534 1535 1536 1537 1538 1539
static int
bnx2_set_link(struct bnx2 *bp)
{
	u32 bmsr;
	u8 link_up;

M
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1540
	if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1541 1542 1543 1544
		bp->link_up = 1;
		return 0;
	}

1545
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1546 1547
		return 0;

1548 1549
	link_up = bp->link_up;

1550 1551 1552 1553
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
1554

1555
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1556
	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1557
		u32 val, an_dbg;
1558

1559
		if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1560
			bnx2_5706s_force_link_dn(bp, 0);
1561
			bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1562
		}
1563
		val = REG_RD(bp, BNX2_EMAC_STATUS);
1564 1565 1566 1567 1568 1569 1570

		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))
1571 1572 1573 1574 1575 1576 1577 1578
			bmsr |= BMSR_LSTATUS;
		else
			bmsr &= ~BMSR_LSTATUS;
	}

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

1579
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
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1580 1581 1582 1583
			if (CHIP_NUM(bp) == CHIP_NUM_5706)
				bnx2_5706s_linkup(bp);
			else if (CHIP_NUM(bp) == CHIP_NUM_5708)
				bnx2_5708s_linkup(bp);
1584 1585
			else if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bnx2_5709s_linkup(bp);
1586 1587 1588 1589 1590 1591 1592
		}
		else {
			bnx2_copper_linkup(bp);
		}
		bnx2_resolve_flow_ctrl(bp);
	}
	else {
1593
		if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1594 1595
		    (bp->autoneg & AUTONEG_SPEED))
			bnx2_disable_forced_2g5(bp);
1596

1597
		if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1598 1599 1600 1601 1602 1603
			u32 bmcr;

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

1604
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1605
		}
1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623
		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;

1624
        bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1625 1626 1627 1628 1629

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

1630
		bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649
		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)) {

1650
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1651 1652 1653 1654 1655 1656 1657
			adv = ADVERTISE_1000XPAUSE;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1658
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1659 1660 1661 1662 1663 1664 1665
			adv = ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_ASYM;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1666
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1667 1668 1669 1670 1671 1672 1673 1674 1675
			adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
		}
	}
	return adv;
}

1676
static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
1677

1678
static int
1679
bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1680 1681
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720
{
	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;
1721
	if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1722 1723 1724 1725 1726 1727
		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;

1728
	bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1729 1730

	spin_unlock_bh(&bp->phy_lock);
1731
	bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
1732 1733 1734 1735 1736 1737 1738
	spin_lock_bh(&bp->phy_lock);

	return 0;
}

static int
bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1739 1740
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
1741
{
1742
	u32 adv, bmcr;
1743 1744
	u32 new_adv = 0;

1745
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1746 1747
		return (bnx2_setup_remote_phy(bp, port));

1748 1749
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		u32 new_bmcr;
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Michael Chan 已提交
1750 1751
		int force_link_down = 0;

1752 1753 1754 1755 1756 1757 1758
		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;
		}
1759
		bnx2_read_phy(bp, bp->mii_adv, &adv);
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Michael Chan 已提交
1760 1761
		adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);

1762
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1763
		new_bmcr = bmcr & ~BMCR_ANENABLE;
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Michael Chan 已提交
1764
		new_bmcr |= BMCR_SPEED1000;
1765

1766 1767 1768 1769 1770 1771 1772 1773 1774
		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) {
1775 1776 1777 1778
			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
1779 1780
		}

1781
		if (bp->req_duplex == DUPLEX_FULL) {
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Michael Chan 已提交
1782
			adv |= ADVERTISE_1000XFULL;
1783 1784 1785
			new_bmcr |= BMCR_FULLDPLX;
		}
		else {
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Michael Chan 已提交
1786
			adv |= ADVERTISE_1000XHALF;
1787 1788
			new_bmcr &= ~BMCR_FULLDPLX;
		}
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Michael Chan 已提交
1789
		if ((new_bmcr != bmcr) || (force_link_down)) {
1790 1791
			/* Force a link down visible on the other side */
			if (bp->link_up) {
1792
				bnx2_write_phy(bp, bp->mii_adv, adv &
M
Michael Chan 已提交
1793 1794
					       ~(ADVERTISE_1000XFULL |
						 ADVERTISE_1000XHALF));
1795
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1796 1797 1798 1799
					BMCR_ANRESTART | BMCR_ANENABLE);

				bp->link_up = 0;
				netif_carrier_off(bp->dev);
1800
				bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
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Michael Chan 已提交
1801
				bnx2_report_link(bp);
1802
			}
1803 1804
			bnx2_write_phy(bp, bp->mii_adv, adv);
			bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1805 1806 1807
		} else {
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
1808 1809 1810 1811
		}
		return 0;
	}

1812
	bnx2_test_and_enable_2g5(bp);
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Michael Chan 已提交
1813

1814 1815 1816 1817 1818
	if (bp->advertising & ADVERTISED_1000baseT_Full)
		new_adv |= ADVERTISE_1000XFULL;

	new_adv |= bnx2_phy_get_pause_adv(bp);

1819 1820
	bnx2_read_phy(bp, bp->mii_adv, &adv);
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1821 1822 1823 1824 1825

	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) {
1826
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
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Michael Chan 已提交
1827 1828 1829
			spin_unlock_bh(&bp->phy_lock);
			msleep(20);
			spin_lock_bh(&bp->phy_lock);
1830 1831
		}

1832 1833
		bnx2_write_phy(bp, bp->mii_adv, new_adv);
		bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1834
			BMCR_ANENABLE);
1835 1836 1837 1838 1839 1840 1841 1842
		/* 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
1843
		bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
1844 1845
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
1846 1847 1848
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1849 1850 1851 1852 1853 1854
	}

	return 0;
}

#define ETHTOOL_ALL_FIBRE_SPEED						\
1855
	(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ?			\
1856 1857
		(ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
		(ADVERTISED_1000baseT_Full)
1858 1859 1860 1861 1862 1863 1864 1865

#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)
1866

1867 1868
#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)

1869 1870 1871 1872 1873 1874
static void
bnx2_set_default_remote_link(struct bnx2 *bp)
{
	u32 link;

	if (bp->phy_port == PORT_TP)
1875
		link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1876
	else
1877
		link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915

	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;
	}
}

1916 1917 1918
static void
bnx2_set_default_link(struct bnx2 *bp)
{
1919 1920 1921 1922
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
		bnx2_set_default_remote_link(bp);
		return;
	}
1923

1924 1925
	bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
	bp->req_line_speed = 0;
1926
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1927 1928 1929 1930
		u32 reg;

		bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;

1931
		reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1932 1933 1934 1935 1936 1937 1938 1939 1940 1941
		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
1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955
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);
}

1956 1957 1958 1959 1960 1961 1962
static void
bnx2_remote_phy_event(struct bnx2 *bp)
{
	u32 msg;
	u8 link_up = bp->link_up;
	u8 old_port;

1963
	msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1964

M
Michael Chan 已提交
1965 1966 1967 1968 1969
	if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
		bnx2_send_heart_beat(bp);

	msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;

1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037
	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;

2038
	evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
2039 2040 2041 2042 2043 2044
	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
2045
			bnx2_send_heart_beat(bp);
2046 2047 2048 2049 2050
			break;
	}
	return 0;
}

2051 2052
static int
bnx2_setup_copper_phy(struct bnx2 *bp)
2053 2054
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2055 2056 2057 2058
{
	u32 bmcr;
	u32 new_bmcr;

2059
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
2060 2061 2062 2063 2064 2065

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

2066
		bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082
		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;
2083

2084 2085 2086 2087 2088 2089 2090 2091
		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)) {

2092
			bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
2093
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
2094
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116
				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;

2117 2118
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2119

2120 2121
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
2122
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
2123 2124 2125 2126
			spin_unlock_bh(&bp->phy_lock);
			msleep(50);
			spin_lock_bh(&bp->phy_lock);

2127 2128
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2129 2130
		}

2131
		bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142

		/* 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);
		}
2143 2144 2145
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
2146 2147 2148 2149 2150
	}
	return 0;
}

static int
2151
bnx2_setup_phy(struct bnx2 *bp, u8 port)
2152 2153
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2154 2155 2156 2157
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

2158
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2159
		return (bnx2_setup_serdes_phy(bp, port));
2160 2161 2162 2163 2164 2165
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

2166
static int
2167
bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181
{
	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);
2182 2183
	if (reset_phy)
		bnx2_reset_phy(bp);
2184 2185 2186 2187 2188 2189 2190 2191 2192 2193

	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);
2194
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215
		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;
}

2216
static int
2217
bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
M
Michael Chan 已提交
2218 2219 2220
{
	u32 val;

2221 2222
	if (reset_phy)
		bnx2_reset_phy(bp);
2223 2224 2225

	bp->mii_up1 = BCM5708S_UP1;

M
Michael Chan 已提交
2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237
	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);

2238
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
M
Michael Chan 已提交
2239 2240 2241 2242 2243 2244
		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
2245 2246
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
2247 2248 2249 2250 2251 2252 2253 2254 2255
		/* 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);
	}

2256
	val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
M
Michael Chan 已提交
2257 2258 2259 2260 2261
	      BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;

	if (val) {
		u32 is_backplane;

2262
		is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274
		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
2275
bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
2276
{
2277 2278
	if (reset_phy)
		bnx2_reset_phy(bp);
2279

2280
	bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
2281

M
Michael Chan 已提交
2282 2283
	if (CHIP_NUM(bp) == CHIP_NUM_5706)
        	REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
2284 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

	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
2313
bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2314
{
M
Michael Chan 已提交
2315 2316
	u32 val;

2317 2318
	if (reset_phy)
		bnx2_reset_phy(bp);
2319

2320
	if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2321 2322 2323 2324 2325 2326 2327 2328 2329 2330
		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);
	}

2331
	if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2332 2333 2334 2335 2336 2337 2338
		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);
	}

2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356
	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
2357 2358 2359 2360
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2361 2362 2363 2364 2365
	return 0;
}


static int
2366
bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2367 2368
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2369 2370 2371 2372
{
	u32 val;
	int rc = 0;

2373 2374
	bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
	bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2375

2376 2377
	bp->mii_bmcr = MII_BMCR;
	bp->mii_bmsr = MII_BMSR;
2378
	bp->mii_bmsr1 = MII_BMSR;
2379 2380 2381
	bp->mii_adv = MII_ADVERTISE;
	bp->mii_lpa = MII_LPA;

2382 2383
        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

2384
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2385 2386
		goto setup_phy;

2387 2388 2389 2390 2391
	bnx2_read_phy(bp, MII_PHYSID1, &val);
	bp->phy_id = val << 16;
	bnx2_read_phy(bp, MII_PHYSID2, &val);
	bp->phy_id |= val & 0xffff;

2392
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
M
Michael Chan 已提交
2393
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
2394
			rc = bnx2_init_5706s_phy(bp, reset_phy);
M
Michael Chan 已提交
2395
		else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2396
			rc = bnx2_init_5708s_phy(bp, reset_phy);
2397
		else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2398
			rc = bnx2_init_5709s_phy(bp, reset_phy);
2399 2400
	}
	else {
2401
		rc = bnx2_init_copper_phy(bp, reset_phy);
2402 2403
	}

2404 2405 2406
setup_phy:
	if (!rc)
		rc = bnx2_setup_phy(bp, bp->phy_port);
2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423

	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
2424 2425 2426 2427 2428 2429 2430 2431 2432
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);
2433
	rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
M
Michael Chan 已提交
2434 2435 2436 2437 2438 2439 2440 2441
			    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
2442
		msleep(100);
M
Michael Chan 已提交
2443 2444 2445 2446 2447
	}

	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
2448
		      BNX2_EMAC_MODE_25G_MODE);
M
Michael Chan 已提交
2449 2450 2451 2452 2453 2454 2455

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

2456
static int
2457
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
2458 2459 2460 2461 2462 2463 2464
{
	int i;
	u32 val;

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

2465
	bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2466

2467 2468 2469
	if (!ack)
		return 0;

2470
	/* wait for an acknowledgement. */
M
Michael Chan 已提交
2471
	for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
2472
		msleep(10);
2473

2474
		val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2475 2476 2477 2478

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
2479 2480
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
2481 2482

	/* If we timed out, inform the firmware that this is the case. */
2483 2484 2485 2486
	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);
2487 2488 2489 2490

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

2491
		bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2492 2493 2494 2495

		return -EBUSY;
	}

2496 2497 2498
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

2499 2500 2501
	return 0;
}

M
Michael Chan 已提交
2502 2503 2504 2505 2506 2507 2508 2509 2510
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);
2511 2512 2513 2514 2515 2516 2517 2518 2519
	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
2520 2521 2522
	for (i = 0; i < bp->ctx_pages; i++) {
		int j;

2523 2524 2525 2526 2527
		if (bp->ctx_blk[i])
			memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
		else
			return -ENOMEM;

M
Michael Chan 已提交
2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549
		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;
}

2550 2551 2552 2553 2554 2555 2556 2557
static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;
2558
		int i;
2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578

		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;
		}

2579 2580 2581
		for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
			vcid_addr += (i << PHY_CTX_SHIFT);
			pcid_addr += (i << PHY_CTX_SHIFT);
2582

2583
			REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2584
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2585

2586 2587
			/* Zero out the context. */
			for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
M
Michael Chan 已提交
2588
				bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2589
		}
2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612
	}
}

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. */
2613
	val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2614
	while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2615 2616
		bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
				BNX2_RBUF_COMMAND_ALLOC_REQ);
2617

2618
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2619 2620 2621 2622 2623 2624 2625 2626 2627

		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++;
		}

2628
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2629 2630 2631 2632 2633 2634 2635 2636 2637 2638
	}

	/* 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;

2639
		bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2640 2641 2642 2643 2644 2645
	}
	kfree(good_mbuf);
	return 0;
}

static void
2646
bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
2647 2648 2649 2650 2651
{
	u32 val;

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

2652
	REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
2653

2654
	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2655 2656
		(mac_addr[4] << 8) | mac_addr[5];

2657
	REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
2658 2659
}

2660
static inline int
2661
bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2662 2663
{
	dma_addr_t mapping;
2664
	struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2665
	struct rx_bd *rxbd =
2666
		&rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2667 2668 2669 2670 2671 2672
	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
2673 2674 2675 2676 2677
	if (pci_dma_mapping_error(bp->pdev, mapping)) {
		__free_page(page);
		return -EIO;
	}

2678 2679 2680 2681 2682 2683 2684 2685
	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
2686
bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2687
{
2688
	struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700
	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;
}

2701
static inline int
2702
bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2703 2704
{
	struct sk_buff *skb;
2705
	struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
2706
	dma_addr_t mapping;
2707
	struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2708 2709
	unsigned long align;

2710
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2711 2712 2713 2714
	if (skb == NULL) {
		return -ENOMEM;
	}

M
Michael Chan 已提交
2715 2716
	if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
		skb_reserve(skb, BNX2_RX_ALIGN - align);
2717 2718 2719

	mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
		PCI_DMA_FROMDEVICE);
B
Benjamin Li 已提交
2720 2721 2722 2723
	if (pci_dma_mapping_error(bp->pdev, mapping)) {
		dev_kfree_skb(skb);
		return -EIO;
	}
2724 2725 2726 2727 2728 2729 2730

	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;

2731
	rxr->rx_prod_bseq += bp->rx_buf_use_size;
2732 2733 2734 2735

	return 0;
}

2736
static int
2737
bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2738
{
2739
	struct status_block *sblk = bnapi->status_blk.msi;
2740
	u32 new_link_state, old_link_state;
2741
	int is_set = 1;
2742

2743 2744
	new_link_state = sblk->status_attn_bits & event;
	old_link_state = sblk->status_attn_bits_ack & event;
2745
	if (new_link_state != old_link_state) {
2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756
		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
2757
bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2758
{
M
Michael Chan 已提交
2759 2760 2761
	spin_lock(&bp->phy_lock);

	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2762
		bnx2_set_link(bp);
2763
	if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2764 2765
		bnx2_set_remote_link(bp);

M
Michael Chan 已提交
2766 2767
	spin_unlock(&bp->phy_lock);

2768 2769
}

2770
static inline u16
2771
bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2772 2773 2774
{
	u16 cons;

2775 2776 2777
	/* Tell compiler that status block fields can change. */
	barrier();
	cons = *bnapi->hw_tx_cons_ptr;
2778
	barrier();
2779 2780 2781 2782 2783
	if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
		cons++;
	return cons;
}

M
Michael Chan 已提交
2784 2785
static int
bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2786
{
2787
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
2788
	u16 hw_cons, sw_cons, sw_ring_cons;
B
Benjamin Li 已提交
2789 2790 2791 2792 2793
	int tx_pkt = 0, index;
	struct netdev_queue *txq;

	index = (bnapi - bp->bnx2_napi);
	txq = netdev_get_tx_queue(bp->dev, index);
2794

2795
	hw_cons = bnx2_get_hw_tx_cons(bnapi);
2796
	sw_cons = txr->tx_cons;
2797 2798

	while (sw_cons != hw_cons) {
B
Benjamin Li 已提交
2799
		struct sw_tx_bd *tx_buf;
2800 2801 2802 2803 2804
		struct sk_buff *skb;
		int i, last;

		sw_ring_cons = TX_RING_IDX(sw_cons);

2805
		tx_buf = &txr->tx_buf_ring[sw_ring_cons];
2806
		skb = tx_buf->skb;
A
Arjan van de Ven 已提交
2807

E
Eric Dumazet 已提交
2808 2809 2810
		/* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
		prefetch(&skb->end);

2811
		/* partial BD completions possible with TSO packets */
E
Eric Dumazet 已提交
2812
		if (tx_buf->is_gso) {
2813 2814
			u16 last_idx, last_ring_idx;

E
Eric Dumazet 已提交
2815 2816
			last_idx = sw_cons + tx_buf->nr_frags + 1;
			last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
2817 2818 2819 2820 2821 2822 2823
			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
2824

2825 2826
		pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
			skb_headlen(skb), PCI_DMA_TODEVICE);
2827 2828

		tx_buf->skb = NULL;
E
Eric Dumazet 已提交
2829
		last = tx_buf->nr_frags;
2830 2831 2832

		for (i = 0; i < last; i++) {
			sw_cons = NEXT_TX_BD(sw_cons);
2833 2834 2835 2836 2837 2838 2839

			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);
2840 2841 2842 2843
		}

		sw_cons = NEXT_TX_BD(sw_cons);

2844
		dev_kfree_skb(skb);
M
Michael Chan 已提交
2845 2846 2847
		tx_pkt++;
		if (tx_pkt == budget)
			break;
2848

E
Eric Dumazet 已提交
2849 2850
		if (hw_cons == sw_cons)
			hw_cons = bnx2_get_hw_tx_cons(bnapi);
2851 2852
	}

2853 2854
	txr->hw_tx_cons = hw_cons;
	txr->tx_cons = sw_cons;
B
Benjamin Li 已提交
2855

M
Michael Chan 已提交
2856
	/* Need to make the tx_cons update visible to bnx2_start_xmit()
B
Benjamin Li 已提交
2857
	 * before checking for netif_tx_queue_stopped().  Without the
M
Michael Chan 已提交
2858 2859 2860 2861
	 * memory barrier, there is a small possibility that bnx2_start_xmit()
	 * will miss it and cause the queue to be stopped forever.
	 */
	smp_mb();
2862

B
Benjamin Li 已提交
2863
	if (unlikely(netif_tx_queue_stopped(txq)) &&
2864
		     (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
B
Benjamin Li 已提交
2865 2866
		__netif_tx_lock(txq, smp_processor_id());
		if ((netif_tx_queue_stopped(txq)) &&
2867
		    (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
B
Benjamin Li 已提交
2868 2869
			netif_tx_wake_queue(txq);
		__netif_tx_unlock(txq);
2870
	}
B
Benjamin Li 已提交
2871

M
Michael Chan 已提交
2872
	return tx_pkt;
2873 2874
}

2875
static void
2876
bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2877
			struct sk_buff *skb, int count)
2878 2879 2880 2881
{
	struct sw_pg *cons_rx_pg, *prod_rx_pg;
	struct rx_bd *cons_bd, *prod_bd;
	int i;
B
Benjamin Li 已提交
2882
	u16 hw_prod, prod;
2883
	u16 cons = rxr->rx_pg_cons;
2884

B
Benjamin Li 已提交
2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905
	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;

2906 2907 2908
	for (i = 0; i < count; i++) {
		prod = RX_PG_RING_IDX(hw_prod);

2909 2910 2911 2912
		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)];
2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926

		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);
	}
2927 2928
	rxr->rx_pg_prod = hw_prod;
	rxr->rx_pg_cons = cons;
2929 2930
}

2931
static inline void
2932 2933
bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
		  struct sk_buff *skb, u16 cons, u16 prod)
2934
{
2935 2936 2937
	struct sw_bd *cons_rx_buf, *prod_rx_buf;
	struct rx_bd *cons_bd, *prod_bd;

2938 2939
	cons_rx_buf = &rxr->rx_buf_ring[cons];
	prod_rx_buf = &rxr->rx_buf_ring[prod];
2940 2941 2942

	pci_dma_sync_single_for_device(bp->pdev,
		pci_unmap_addr(cons_rx_buf, mapping),
2943
		BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2944

2945
	rxr->rx_prod_bseq += bp->rx_buf_use_size;
2946

2947
	prod_rx_buf->skb = skb;
2948

2949 2950
	if (cons == prod)
		return;
2951

2952 2953 2954
	pci_unmap_addr_set(prod_rx_buf, mapping,
			pci_unmap_addr(cons_rx_buf, mapping));

2955 2956
	cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2957 2958
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2959 2960
}

2961
static int
2962
bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
2963 2964
	    unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
	    u32 ring_idx)
2965 2966 2967 2968
{
	int err;
	u16 prod = ring_idx & 0xffff;

2969
	err = bnx2_alloc_rx_skb(bp, rxr, prod);
2970
	if (unlikely(err)) {
2971
		bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
2972 2973 2974 2975
		if (hdr_len) {
			unsigned int raw_len = len + 4;
			int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;

2976
			bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
2977
		}
2978 2979 2980
		return err;
	}

2981
	skb_reserve(skb, BNX2_RX_OFFSET);
2982 2983 2984
	pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
			 PCI_DMA_FROMDEVICE);

2985 2986 2987 2988 2989 2990
	if (hdr_len == 0) {
		skb_put(skb, len);
		return 0;
	} else {
		unsigned int i, frag_len, frag_size, pages;
		struct sw_pg *rx_pg;
2991 2992
		u16 pg_cons = rxr->rx_pg_cons;
		u16 pg_prod = rxr->rx_pg_prod;
2993 2994 2995 2996 2997 2998

		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
2999 3000
			dma_addr_t mapping_old;

3001 3002 3003 3004
			frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
			if (unlikely(frag_len <= 4)) {
				unsigned int tail = 4 - frag_len;

3005 3006 3007
				rxr->rx_pg_cons = pg_cons;
				rxr->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
3008
							pages - i);
3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020
				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;
			}
3021
			rx_pg = &rxr->rx_pg_ring[pg_cons];
3022

B
Benjamin Li 已提交
3023 3024 3025 3026
			/* 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);
3027 3028 3029 3030 3031 3032
			if (i == pages - 1)
				frag_len -= 4;

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

3033 3034
			err = bnx2_alloc_rx_page(bp, rxr,
						 RX_PG_RING_IDX(pg_prod));
3035
			if (unlikely(err)) {
3036 3037 3038
				rxr->rx_pg_cons = pg_cons;
				rxr->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, rxr, skb,
3039
							pages - i);
3040 3041 3042
				return err;
			}

B
Benjamin Li 已提交
3043 3044 3045
			pci_unmap_page(bp->pdev, mapping_old,
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);

3046 3047 3048 3049 3050 3051 3052 3053
			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));
		}
3054 3055
		rxr->rx_pg_prod = pg_prod;
		rxr->rx_pg_cons = pg_cons;
3056
	}
3057 3058 3059
	return 0;
}

M
Michael Chan 已提交
3060
static inline u16
3061
bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
3062
{
3063 3064
	u16 cons;

3065 3066 3067
	/* Tell compiler that status block fields can change. */
	barrier();
	cons = *bnapi->hw_rx_cons_ptr;
3068
	barrier();
M
Michael Chan 已提交
3069 3070 3071 3072 3073
	if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
		cons++;
	return cons;
}

3074
static int
3075
bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
3076
{
3077
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3078 3079
	u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
	struct l2_fhdr *rx_hdr;
3080
	int rx_pkt = 0, pg_ring_used = 0;
3081

3082
	hw_cons = bnx2_get_hw_rx_cons(bnapi);
3083 3084
	sw_cons = rxr->rx_cons;
	sw_prod = rxr->rx_prod;
3085 3086 3087 3088 3089 3090

	/* 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) {
3091
		unsigned int len, hdr_len;
3092
		u32 status;
3093 3094
		struct sw_bd *rx_buf;
		struct sk_buff *skb;
3095
		dma_addr_t dma_addr;
3096 3097
		u16 vtag = 0;
		int hw_vlan __maybe_unused = 0;
3098 3099 3100 3101

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

3102
		rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
3103
		skb = rx_buf->skb;
3104 3105 3106 3107 3108 3109

		rx_buf->skb = NULL;

		dma_addr = pci_unmap_addr(rx_buf, mapping);

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
3110 3111
			BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
			PCI_DMA_FROMDEVICE);
3112 3113

		rx_hdr = (struct l2_fhdr *) skb->data;
3114
		len = rx_hdr->l2_fhdr_pkt_len;
3115
		status = rx_hdr->l2_fhdr_status;
3116

3117 3118 3119 3120 3121 3122 3123 3124 3125
		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;
		}

3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143
		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;
		}

3144
		len -= 4;
3145

3146
		if (len <= bp->rx_copy_thresh) {
3147 3148
			struct sk_buff *new_skb;

3149
			new_skb = netdev_alloc_skb(bp->dev, len + 6);
3150
			if (new_skb == NULL) {
3151
				bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3152 3153 3154
						  sw_ring_prod);
				goto next_rx;
			}
3155 3156

			/* aligned copy */
3157
			skb_copy_from_linear_data_offset(skb,
3158 3159 3160
							 BNX2_RX_OFFSET - 6,
				      new_skb->data, len + 6);
			skb_reserve(new_skb, 6);
3161 3162
			skb_put(new_skb, len);

3163
			bnx2_reuse_rx_skb(bp, rxr, skb,
3164 3165 3166
				sw_ring_cons, sw_ring_prod);

			skb = new_skb;
3167
		} else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
3168
			   dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
3169 3170
			goto next_rx;

3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189
		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;
			}
		}

3190 3191 3192
		skb->protocol = eth_type_trans(skb, bp->dev);

		if ((len > (bp->dev->mtu + ETH_HLEN)) &&
A
Alexey Dobriyan 已提交
3193
			(ntohs(skb->protocol) != 0x8100)) {
3194

3195
			dev_kfree_skb(skb);
3196 3197 3198 3199 3200 3201 3202 3203 3204
			goto next_rx;

		}

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

3205 3206
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
3207 3208 3209
				skb->ip_summed = CHECKSUM_UNNECESSARY;
		}

3210 3211
		skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);

3212
#ifdef BCM_VLAN
3213 3214
		if (hw_vlan)
			vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226
		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
3227 3228 3229

		/* Refresh hw_cons to see if there is new work */
		if (sw_cons == hw_cons) {
3230
			hw_cons = bnx2_get_hw_rx_cons(bnapi);
M
Michael Chan 已提交
3231 3232
			rmb();
		}
3233
	}
3234 3235
	rxr->rx_cons = sw_cons;
	rxr->rx_prod = sw_prod;
3236

3237
	if (pg_ring_used)
3238
		REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
3239

3240
	REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
3241

3242
	REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253

	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
3254
bnx2_msi(int irq, void *dev_instance)
3255
{
3256 3257
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3258

3259
	prefetch(bnapi->status_blk.msi);
3260 3261 3262 3263 3264
	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. */
3265 3266
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
3267

3268
	napi_schedule(&bnapi->napi);
3269

3270
	return IRQ_HANDLED;
3271 3272
}

3273 3274 3275
static irqreturn_t
bnx2_msi_1shot(int irq, void *dev_instance)
{
3276 3277
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3278

3279
	prefetch(bnapi->status_blk.msi);
3280 3281 3282 3283 3284

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

3285
	napi_schedule(&bnapi->napi);
3286 3287 3288 3289

	return IRQ_HANDLED;
}

3290
static irqreturn_t
3291
bnx2_interrupt(int irq, void *dev_instance)
3292
{
3293 3294
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3295
	struct status_block *sblk = bnapi->status_blk.msi;
3296 3297 3298 3299 3300 3301 3302

	/* 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.
	 */
3303
	if ((sblk->status_idx == bnapi->last_status_idx) &&
3304 3305
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
3306
		return IRQ_NONE;
3307 3308 3309 3310 3311

	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

3312 3313 3314 3315 3316
	/* Read back to deassert IRQ immediately to avoid too many
	 * spurious interrupts.
	 */
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);

3317
	/* Return here if interrupt is shared and is disabled. */
3318 3319
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
3320

3321
	if (napi_schedule_prep(&bnapi->napi)) {
3322
		bnapi->last_status_idx = sblk->status_idx;
3323
		__napi_schedule(&bnapi->napi);
3324
	}
3325

3326
	return IRQ_HANDLED;
3327 3328
}

M
Michael Chan 已提交
3329
static inline int
3330
bnx2_has_fast_work(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
3331
{
3332
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3333
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
M
Michael Chan 已提交
3334

3335
	if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3336
	    (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
M
Michael Chan 已提交
3337
		return 1;
3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350
	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
3351

3352 3353 3354 3355 3356
#ifdef BCM_CNIC
	if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
		return 1;
#endif

3357 3358
	if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
M
Michael Chan 已提交
3359 3360 3361 3362 3363
		return 1;

	return 0;
}

3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385
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;
}

3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402
#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

3403
static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
3404
{
3405
	struct status_block *sblk = bnapi->status_blk.msi;
3406 3407
	u32 status_attn_bits = sblk->status_attn_bits;
	u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3408

3409 3410
	if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3411

3412
		bnx2_phy_int(bp, bnapi);
M
Michael Chan 已提交
3413 3414 3415 3416 3417 3418 3419

		/* 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);
3420
	}
3421 3422 3423 3424 3425 3426 3427
}

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;
3428

3429
	if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
M
Michael Chan 已提交
3430
		bnx2_tx_int(bp, bnapi, 0);
3431

3432
	if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
3433
		work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3434

3435 3436 3437
	return work_done;
}

3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454
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))) {

3455
			napi_complete(napi);
3456 3457 3458 3459 3460 3461 3462 3463 3464
			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;
}

3465 3466
static int bnx2_poll(struct napi_struct *napi, int budget)
{
3467 3468
	struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
	struct bnx2 *bp = bnapi->bp;
3469
	int work_done = 0;
3470
	struct status_block *sblk = bnapi->status_blk.msi;
3471 3472

	while (1) {
3473 3474
		bnx2_poll_link(bp, bnapi);

3475
		work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
M
Michael Chan 已提交
3476

3477 3478 3479 3480
#ifdef BCM_CNIC
		bnx2_poll_cnic(bp, bnapi);
#endif

3481
		/* bnapi->last_status_idx is used below to tell the hw how
M
Michael Chan 已提交
3482 3483 3484
		 * much work has been processed, so we must read it before
		 * checking for more work.
		 */
3485
		bnapi->last_status_idx = sblk->status_idx;
3486 3487 3488 3489

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

M
Michael Chan 已提交
3490
		rmb();
3491
		if (likely(!bnx2_has_work(bnapi))) {
3492
			napi_complete(napi);
3493
			if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3494 3495
				REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
				       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3496
				       bnapi->last_status_idx);
M
Michael Chan 已提交
3497
				break;
3498
			}
3499 3500
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3501
			       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3502
			       bnapi->last_status_idx);
3503

3504 3505
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3506
			       bnapi->last_status_idx);
3507 3508
			break;
		}
3509 3510
	}

3511
	return work_done;
3512 3513
}

H
Herbert Xu 已提交
3514
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
3515 3516 3517 3518 3519
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
3520
	struct bnx2 *bp = netdev_priv(dev);
3521
	u32 rx_mode, sort_mode;
J
Jiri Pirko 已提交
3522
	struct netdev_hw_addr *ha;
3523 3524
	int i;

3525 3526 3527
	if (!netif_running(dev))
		return;

3528
	spin_lock_bh(&bp->phy_lock);
3529 3530 3531 3532 3533

	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
3534
	if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
3535 3536
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
3537
	if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
M
Michael Chan 已提交
3538
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3539 3540 3541 3542
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
M
Michael Chan 已提交
3543 3544
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562
	}
	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);

3563
		for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580
		     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;
	}

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

	}

3598 3599 3600 3601 3602 3603 3604 3605 3606
	if (rx_mode != bp->rx_mode) {
		bp->rx_mode = rx_mode;
		REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
	}

	REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
	REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
	REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);

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

M
Michael Chan 已提交
3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638
static int __devinit
check_fw_section(const struct firmware *fw,
		 const struct bnx2_fw_file_section *section,
		 u32 alignment, bool non_empty)
{
	u32 offset = be32_to_cpu(section->offset);
	u32 len = be32_to_cpu(section->len);

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

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

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

	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		mips_fw_file = FW_MIPS_FILE_09;
3647 3648 3649 3650 3651
		if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
		    (CHIP_ID(bp) == CHIP_ID_5709_A1))
			rv2p_fw_file = FW_RV2P_FILE_09_Ax;
		else
			rv2p_fw_file = FW_RV2P_FILE_09;
M
Michael Chan 已提交
3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669
	} 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
3670 3671 3672 3673 3674 3675 3676 3677
	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
3678 3679 3680 3681
		printk(KERN_ERR PFX "Firmware file \"%s\" is invalid\n",
		       mips_fw_file);
		return -EINVAL;
	}
B
Bastian Blank 已提交
3682 3683 3684
	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
3685 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
		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;
3711
	int i;
M
Michael Chan 已提交
3712 3713 3714 3715 3716 3717
	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);
3718

M
Michael Chan 已提交
3719 3720 3721 3722 3723 3724
	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;
3725
	}
3726 3727

	for (i = 0; i < rv2p_code_len; i += 8) {
M
Michael Chan 已提交
3728
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
3729
		rv2p_code++;
M
Michael Chan 已提交
3730
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
3731 3732
		rv2p_code++;

M
Michael Chan 已提交
3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750
		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);
3751 3752 3753 3754 3755 3756 3757 3758 3759 3760
		}
	}

	/* 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
3761 3762

	return 0;
3763 3764
}

3765
static int
M
Michael Chan 已提交
3766 3767
load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
	    const struct bnx2_mips_fw_file_entry *fw_entry)
3768
{
M
Michael Chan 已提交
3769 3770
	u32 addr, len, file_offset;
	__be32 *data;
3771 3772 3773 3774
	u32 offset;
	u32 val;

	/* Halt the CPU. */
3775
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3776
	val |= cpu_reg->mode_value_halt;
3777 3778
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3779 3780

	/* Load the Text area. */
M
Michael Chan 已提交
3781 3782 3783 3784
	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
3785

M
Michael Chan 已提交
3786 3787
	offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
	if (len) {
3788 3789
		int j;

M
Michael Chan 已提交
3790 3791
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3792 3793
	}

M
Michael Chan 已提交
3794 3795 3796 3797 3798
	/* 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);
3799

M
Michael Chan 已提交
3800 3801
	offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
	if (len) {
3802 3803
		int j;

M
Michael Chan 已提交
3804 3805
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3806 3807 3808
	}

	/* Load the Read-Only area. */
M
Michael Chan 已提交
3809 3810 3811 3812 3813 3814 3815
	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) {
3816 3817
		int j;

M
Michael Chan 已提交
3818 3819
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3820 3821 3822
	}

	/* Clear the pre-fetch instruction. */
3823
	bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
M
Michael Chan 已提交
3824 3825 3826

	val = be32_to_cpu(fw_entry->start_addr);
	bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
3827 3828

	/* Start the CPU. */
3829
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3830
	val &= ~cpu_reg->mode_value_halt;
3831 3832
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3833 3834

	return 0;
3835 3836
}

3837
static int
3838 3839
bnx2_init_cpus(struct bnx2 *bp)
{
M
Michael Chan 已提交
3840 3841 3842 3843 3844
	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;
3845 3846

	/* Initialize the RV2P processor. */
M
Michael Chan 已提交
3847 3848
	load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
	load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
3849 3850

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

3855
	/* Initialize the TX Processor. */
M
Michael Chan 已提交
3856
	rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
3857 3858 3859
	if (rc)
		goto init_cpu_err;

3860
	/* Initialize the TX Patch-up Processor. */
M
Michael Chan 已提交
3861
	rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
3862 3863 3864
	if (rc)
		goto init_cpu_err;

3865
	/* Initialize the Completion Processor. */
M
Michael Chan 已提交
3866
	rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
3867 3868 3869
	if (rc)
		goto init_cpu_err;

M
Michael Chan 已提交
3870
	/* Initialize the Command Processor. */
M
Michael Chan 已提交
3871
	rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
3872

3873 3874
init_cpu_err:
	return rc;
3875 3876 3877
}

static int
3878
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3879 3880 3881 3882 3883 3884
{
	u16 pmcsr;

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

	switch (state) {
3885
	case PCI_D0: {
3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905
		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;
	}
3906
	case PCI_D3hot: {
3907 3908 3909 3910 3911 3912 3913 3914 3915 3916
		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
3917 3918 3919 3920 3921 3922 3923 3924
			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;
			}
3925

M
Michael Chan 已提交
3926 3927 3928
			spin_lock_bh(&bp->phy_lock);
			bnx2_setup_phy(bp, bp->phy_port);
			spin_unlock_bh(&bp->phy_lock);
3929 3930 3931 3932

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

3933
			bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3934 3935 3936 3937 3938

			val = REG_RD(bp, BNX2_EMAC_MODE);

			/* Enable port mode. */
			val &= ~BNX2_EMAC_MODE_PORT;
M
Michael Chan 已提交
3939
			val |= BNX2_EMAC_MODE_MPKT_RCVD |
3940 3941
			       BNX2_EMAC_MODE_ACPI_RCVD |
			       BNX2_EMAC_MODE_MPKT;
M
Michael Chan 已提交
3942 3943 3944 3945 3946 3947 3948
			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;
			}
3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982

			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;
		}

3983
		if (!(bp->flags & BNX2_FLAG_NO_WOL))
3984 3985
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
				     1, 0);
3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068

		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
4069
	if (bp->flash_info->flags & BNX2_NV_WREN) {
4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106
		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. */
4107
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4108 4109 4110 4111 4112 4113 4114 4115 4116 4117
	       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. */
4118
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4119 4120 4121 4122 4123 4124 4125 4126 4127 4128
		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
4129
	if (bp->flash_info->flags & BNX2_NV_BUFFERED)
4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171
		/* 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
4172 4173
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195
		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
4196 4197
			__be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
			memcpy(ret_val, &v, 4);
4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210
			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
4211 4212
	u32 cmd;
	__be32 val32;
4213 4214 4215 4216 4217
	int j;

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

M
Michael Chan 已提交
4218 4219
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230
		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
4231
	REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255

	/* 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
4256
	int j, entry_count, rc = 0;
4257
	const struct flash_spec *flash;
4258

M
Michael Chan 已提交
4259 4260 4261 4262 4263
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->flash_info = &flash_5709;
		goto get_flash_size;
	}

4264 4265 4266
	/* Determine the selected interface. */
	val = REG_RD(bp, BNX2_NVM_CFG1);

4267
	entry_count = ARRAY_SIZE(flash_table);
4268 4269 4270 4271 4272

	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
4273 4274 4275
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
4276 4277 4278 4279 4280 4281
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
4282
		u32 mask;
4283 4284
		/* Not yet been reconfigured */

4285 4286 4287 4288 4289
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

4290 4291 4292
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

4293
			if ((val & mask) == (flash->strapping & mask)) {
4294 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
				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;
4320
		printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
M
Michael Chan 已提交
4321
		return -ENODEV;
4322 4323
	}

M
Michael Chan 已提交
4324
get_flash_size:
4325
	val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
M
Michael Chan 已提交
4326 4327 4328 4329 4330 4331
	val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
	if (val)
		bp->flash_size = val;
	else
		bp->flash_size = bp->flash_info->total_size;

4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449
	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;
4450
	u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4451 4452 4453 4454 4455 4456 4457 4458 4459 4460
	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
4461 4462 4463
		len32 += align_start;
		if (len32 < 4)
			len32 = 4;
4464 4465 4466 4467 4468
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
M
Michael Chan 已提交
4469 4470 4471 4472
		align_end = 4 - (len32 & 3);
		len32 += align_end;
		if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
			return rc;
4473 4474 4475
	}

	if (align_start || align_end) {
4476 4477
		align_buf = kmalloc(len32, GFP_KERNEL);
		if (align_buf == NULL)
4478 4479
			return -ENOMEM;
		if (align_start) {
4480
			memcpy(align_buf, start, 4);
4481 4482
		}
		if (align_end) {
4483
			memcpy(align_buf + len32 - 4, end, 4);
4484
		}
4485 4486
		memcpy(align_buf + align_start, data_buf, buf_size);
		buf = align_buf;
4487 4488
	}

M
Michael Chan 已提交
4489
	if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4490 4491 4492 4493 4494 4495 4496
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510
	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 */
4511
		data_end = (page_end > offset32 + len32) ?
4512 4513 4514 4515 4516 4517 4518 4519 4520 4521
			(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
4522
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4523 4524 4525 4526 4527 4528 4529 4530 4531
			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,
4532 4533
					page_start + j,
					&flash_buffer[j],
4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549
					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
4550
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
M
Michael Chan 已提交
4551 4552 4553 4554 4555 4556 4557
			/* 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);

4558 4559
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
4560

4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571
				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 */
4572
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4573
			if ((addr == page_end - 4) ||
M
Michael Chan 已提交
4574
				((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590
				 (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
4591
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4592 4593
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
4594

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
				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:
4620 4621
	kfree(flash_buffer);
	kfree(align_buf);
4622 4623 4624
	return rc;
}

4625
static void
4626
bnx2_init_fw_cap(struct bnx2 *bp)
4627
{
4628
	u32 val, sig = 0;
4629

4630
	bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4631 4632 4633 4634
	bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;

	if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
		bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4635

4636
	val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4637 4638 4639
	if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
		return;

4640 4641 4642 4643 4644 4645 4646 4647 4648
	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;

4649
		bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4650

4651 4652
		link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
		if (link & BNX2_LINK_STATUS_SERDES_LINK)
4653 4654 4655
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;
4656

4657 4658
		sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
		       BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4659
	}
4660 4661 4662

	if (netif_running(bp->dev) && sig)
		bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4663 4664
}

4665 4666 4667 4668 4669 4670 4671 4672 4673
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);
}

4674 4675 4676 4677 4678
static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;
4679
	u8 old_port;
4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690

	/* 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);

4691
	/* Wait for the firmware to tell us it is ok to issue a reset. */
4692
	bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
4693

4694 4695
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
4696 4697
	bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
		      BNX2_DRV_RESET_SIGNATURE_MAGIC);
4698 4699 4700 4701 4702

	/* 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);

4703 4704 4705 4706
	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);
4707

4708 4709
		val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4710

4711
		pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4712

4713 4714 4715 4716 4717 4718 4719 4720
	} 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);

4721 4722 4723 4724
		/* 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.
		 */
4725
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
A
Arjan van de Ven 已提交
4726 4727
		    (CHIP_ID(bp) == CHIP_ID_5706_A1))
			msleep(20);
4728

4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742
		/* 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;
		}
4743 4744 4745 4746 4747 4748 4749 4750 4751 4752
	}

	/* 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. */
4753
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
4754 4755
	if (rc)
		return rc;
4756

4757
	spin_lock_bh(&bp->phy_lock);
4758
	old_port = bp->phy_port;
4759
	bnx2_init_fw_cap(bp);
4760 4761
	if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
	    old_port != bp->phy_port)
4762 4763 4764
		bnx2_set_default_remote_link(bp);
	spin_unlock_bh(&bp->phy_lock);

4765 4766 4767 4768 4769 4770 4771 4772 4773
	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);
	}

4774
	if (bp->flags & BNX2_FLAG_USING_MSIX)
4775 4776
		bnx2_setup_msix_tbl(bp);

4777 4778 4779 4780 4781 4782
	return rc;
}

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

	/* Make sure the interrupt is not active. */
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

	val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
	      BNX2_DMA_CONFIG_DATA_WORD_SWAP |
#ifdef __BIG_ENDIAN
4792
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4793
#endif
4794
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4795 4796 4797 4798 4799
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

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

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

	if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4804
	    (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4805 4806 4807 4808 4809 4810 4811 4812 4813 4814
		val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;

	REG_WR(bp, BNX2_DMA_CONFIG, val);

	if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
		val = REG_RD(bp, BNX2_TDMA_CONFIG);
		val |= BNX2_TDMA_CONFIG_ONE_DMA;
		REG_WR(bp, BNX2_TDMA_CONFIG, val);
	}

4815
	if (bp->flags & BNX2_FLAG_PCIX) {
4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830
		u16 val16;

		pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
				     &val16);
		pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
				      val16 & ~PCI_X_CMD_ERO);
	}

	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
	       BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
	       BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
	       BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);

	/* Initialize context mapping and zero out the quick contexts.  The
	 * context block must have already been enabled. */
4831 4832 4833 4834 4835
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rc = bnx2_init_5709_context(bp);
		if (rc)
			return rc;
	} else
M
Michael Chan 已提交
4836
		bnx2_init_context(bp);
4837

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

4841 4842
	bnx2_init_nvram(bp);

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

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

4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877
	REG_WR(bp, BNX2_MQ_CONFIG, val);

	val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
	REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
	REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);

	val = (BCM_PAGE_BITS - 8) << 24;
	REG_WR(bp, BNX2_RV2P_CONFIG, val);

	/* Configure page size. */
	val = REG_RD(bp, BNX2_TBDR_CONFIG);
	val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
	val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
	REG_WR(bp, BNX2_TBDR_CONFIG, val);

	val = bp->mac_addr[0] +
	      (bp->mac_addr[1] << 8) +
	      (bp->mac_addr[2] << 16) +
	      bp->mac_addr[3] +
	      (bp->mac_addr[4] << 8) +
	      (bp->mac_addr[5] << 16);
	REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);

	/* Program the MTU.  Also include 4 bytes for CRC32. */
4878 4879
	mtu = bp->dev->mtu;
	val = mtu + ETH_HLEN + ETH_FCS_LEN;
4880 4881 4882 4883
	if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
		val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
	REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);

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

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

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

4895 4896
	bp->idle_chk_status_idx = 0xffff;

4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910
	bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;

	/* Set up how to generate a link change interrupt. */
	REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

	REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
	       (u64) bp->status_blk_mapping & 0xffffffff);
	REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);

	REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
	       (u64) bp->stats_blk_mapping & 0xffffffff);
	REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
	       (u64) bp->stats_blk_mapping >> 32);

4911
	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929
	       (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);

	REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
	       (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);

	REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
	       (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);

	REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);

	REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);

	REG_WR(bp, BNX2_HC_COM_TICKS,
	       (bp->com_ticks_int << 16) | bp->com_ticks);

	REG_WR(bp, BNX2_HC_CMD_TICKS,
	       (bp->cmd_ticks_int << 16) | bp->cmd_ticks);

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

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

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

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

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

	REG_WR(bp, BNX2_HC_CONFIG, val);

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

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

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

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

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

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

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

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

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

M
Michael Chan 已提交
4987 4988 4989 4990 4991
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
		val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
		REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
	}
4992
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4993
			  1, 0);
4994

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

	udelay(20);

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

5002
	return rc;
5003 5004
}

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

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

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

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

	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		offset0 = BNX2_L2CTX_TYPE_XI;
		offset1 = BNX2_L2CTX_CMD_TYPE_XI;
		offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
		offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
	} else {
		offset0 = BNX2_L2CTX_TYPE;
		offset1 = BNX2_L2CTX_CMD_TYPE;
		offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
		offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
	}
	val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
M
Michael Chan 已提交
5046
	bnx2_ctx_wr(bp, cid_addr, offset0, val);
M
Michael Chan 已提交
5047 5048

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	rx_cid_addr = GET_CID_ADDR(cid);
5129

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

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

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

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

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

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

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

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

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

5166
	ring_prod = prod = rxr->rx_pg_prod;
5167
	for (i = 0; i < bp->rx_pg_ring_size; i++) {
5168 5169 5170 5171
		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);
5172
			break;
5173
		}
5174 5175 5176
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_PG_RING_IDX(prod);
	}
5177
	rxr->rx_pg_prod = prod;
5178

5179
	ring_prod = prod = rxr->rx_prod;
5180
	for (i = 0; i < bp->rx_ring_size; i++) {
5181 5182 5183 5184
		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);
5185
			break;
5186
		}
5187 5188 5189
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_RING_IDX(prod);
	}
5190
	rxr->rx_prod = prod;
5191

5192 5193 5194
	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;
5195

5196 5197 5198 5199
	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);
5200 5201
}

5202 5203 5204 5205
static void
bnx2_init_all_rings(struct bnx2 *bp)
{
	int i;
M
Michael Chan 已提交
5206
	u32 val;
5207 5208 5209 5210 5211 5212 5213 5214 5215 5216 5217

	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
5218 5219 5220
	REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
	bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);

5221 5222
	for (i = 0; i < bp->num_rx_rings; i++)
		bnx2_init_rx_ring(bp, i);
M
Michael Chan 已提交
5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244

	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);

	}
5245 5246
}

5247
static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
5248
{
5249
	u32 max, num_rings = 1;
5250

5251 5252
	while (ring_size > MAX_RX_DESC_CNT) {
		ring_size -= MAX_RX_DESC_CNT;
5253 5254 5255
		num_rings++;
	}
	/* round to next power of 2 */
5256
	max = max_size;
5257 5258 5259 5260 5261 5262
	while ((max & num_rings) == 0)
		max >>= 1;

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

5263 5264 5265 5266 5267 5268
	return max;
}

static void
bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
{
M
Michael Chan 已提交
5269
	u32 rx_size, rx_space, jumbo_size;
5270 5271

	/* 8 for CRC and VLAN */
5272
	rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
5273

M
Michael Chan 已提交
5274 5275 5276
	rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
		sizeof(struct skb_shared_info);

5277
	bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
5278 5279 5280
	bp->rx_pg_ring_size = 0;
	bp->rx_max_pg_ring = 0;
	bp->rx_max_pg_ring_idx = 0;
5281
	if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
M
Michael Chan 已提交
5282 5283 5284 5285 5286 5287 5288 5289 5290 5291
		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;
5292
		rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
M
Michael Chan 已提交
5293 5294
		bp->rx_copy_thresh = 0;
	}
5295 5296 5297 5298

	bp->rx_buf_use_size = rx_size;
	/* hw alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
5299
	bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5300 5301
	bp->rx_ring_size = size;
	bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
5302 5303 5304
	bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
}

5305 5306 5307 5308 5309
static void
bnx2_free_tx_skbs(struct bnx2 *bp)
{
	int i;

5310 5311 5312 5313
	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;
5314

5315
		if (txr->tx_buf_ring == NULL)
5316 5317
			continue;

5318
		for (j = 0; j < TX_DESC_CNT; ) {
B
Benjamin Li 已提交
5319
			struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
5320
			struct sk_buff *skb = tx_buf->skb;
5321
			int k, last;
5322 5323 5324 5325 5326 5327

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

5328 5329 5330 5331
			pci_unmap_single(bp->pdev,
					 pci_unmap_addr(tx_buf, mapping),
					 skb_headlen(skb),
					 PCI_DMA_TODEVICE);
5332

5333
			tx_buf->skb = NULL;
5334

5335 5336 5337 5338 5339 5340 5341 5342 5343
			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);
			}
5344
			dev_kfree_skb(skb);
5345 5346 5347 5348 5349 5350 5351 5352 5353
		}
	}
}

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

5354 5355 5356 5357
	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;
5358

5359 5360
		if (rxr->rx_buf_ring == NULL)
			return;
5361

5362 5363 5364
		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;
5365

5366 5367
			if (skb == NULL)
				continue;
5368

5369 5370 5371 5372
			pci_unmap_single(bp->pdev,
					 pci_unmap_addr(rx_buf, mapping),
					 bp->rx_buf_use_size,
					 PCI_DMA_FROMDEVICE);
5373

5374 5375 5376 5377 5378 5379
			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);
5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399
	}
}

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;

5400 5401 5402
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

5403
	bnx2_init_all_rings(bp);
5404 5405 5406 5407
	return 0;
}

static int
5408
bnx2_init_nic(struct bnx2 *bp, int reset_phy)
5409 5410 5411 5412 5413 5414
{
	int rc;

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

M
Michael Chan 已提交
5415
	spin_lock_bh(&bp->phy_lock);
5416
	bnx2_init_phy(bp, reset_phy);
5417
	bnx2_set_link(bp);
5418 5419
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
		bnx2_remote_phy_event(bp);
5420
	spin_unlock_bh(&bp->phy_lock);
5421 5422 5423
	return 0;
}

M
Michael Chan 已提交
5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438
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);
}

5439 5440 5441 5442
static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
5443
	int i, is_5709;
5444
	static const struct {
5445 5446
		u16   offset;
		u16   flags;
5447
#define BNX2_FL_NOT_5709	1
5448 5449 5450 5451 5452 5453 5454
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

5455 5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474
		{ 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 },
5475 5476

		{ 0x1000, 0, 0x00000000, 0x00000001 },
M
Michael Chan 已提交
5477
		{ 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
5478 5479 5480 5481

		{ 0x1408, 0, 0x01c00800, 0x00000000 },
		{ 0x149c, 0, 0x8000ffff, 0x00000000 },
		{ 0x14a8, 0, 0x00000000, 0x000001ff },
M
Michael Chan 已提交
5482
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559
		{ 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;
5560 5561 5562 5563
	is_5709 = 0;
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		is_5709 = 1;

5564 5565
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;
5566 5567 5568 5569
		u16 flags = reg_tbl[i].flags;

		if (is_5709 && (flags & BNX2_FL_NOT_5709))
			continue;
5570 5571 5572 5573 5574

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

5575
		save_val = readl(bp->regview + offset);
5576

5577
		writel(0, bp->regview + offset);
5578

5579
		val = readl(bp->regview + offset);
5580 5581 5582 5583 5584 5585 5586 5587
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

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

5588
		writel(0xffffffff, bp->regview + offset);
5589

5590
		val = readl(bp->regview + offset);
5591 5592 5593 5594 5595 5596 5597 5598
		if ((val & rw_mask) != rw_mask) {
			goto reg_test_err;
		}

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

5599
		writel(save_val, bp->regview + offset);
5600 5601 5602
		continue;

reg_test_err:
5603
		writel(save_val, bp->regview + offset);
5604 5605 5606 5607 5608 5609 5610 5611 5612
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
5613
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5614 5615 5616 5617 5618 5619 5620 5621
		0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
	int i;

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

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

5622
			bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5623

5624
			if (bnx2_reg_rd_ind(bp, start + offset) !=
5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637
				test_pattern[i]) {
				return -ENODEV;
			}
		}
	}
	return 0;
}

static int
bnx2_test_memory(struct bnx2 *bp)
{
	int ret = 0;
	int i;
5638
	static struct mem_entry {
5639 5640
		u32   offset;
		u32   len;
5641
	} mem_tbl_5706[] = {
5642
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
5643
		{ 0xa0000,  0x3000 },
5644 5645 5646 5647 5648
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
5649 5650 5651 5652 5653 5654 5655 5656
	},
	mem_tbl_5709[] = {
		{ 0x60000,  0x4000 },
		{ 0xa0000,  0x3000 },
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0xffffffff, 0    },
5657
	};
5658 5659 5660 5661 5662 5663
	struct mem_entry *mem_tbl;

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		mem_tbl = mem_tbl_5709;
	else
		mem_tbl = mem_tbl_5706;
5664 5665 5666 5667 5668 5669 5670

	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;
		}
	}
5671

5672 5673 5674
	return ret;
}

M
Michael Chan 已提交
5675 5676 5677
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

5678
static int
M
Michael Chan 已提交
5679
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5680 5681 5682 5683
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
5684
	u16 rx_start_idx, rx_idx;
5685 5686 5687 5688 5689
	dma_addr_t map;
	struct tx_bd *txbd;
	struct sw_bd *rx_buf;
	struct l2_fhdr *rx_hdr;
	int ret = -ENODEV;
5690
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5691
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5692
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5693 5694

	tx_napi = bnapi;
5695

5696
	txr = &tx_napi->tx_ring;
5697
	rxr = &bnapi->rx_ring;
M
Michael Chan 已提交
5698 5699 5700 5701 5702
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5703
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5704 5705
			return 0;

M
Michael Chan 已提交
5706
		bp->loopback = PHY_LOOPBACK;
M
Michael Chan 已提交
5707 5708 5709 5710
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
5711

M
Michael Chan 已提交
5712
	pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5713
	skb = netdev_alloc_skb(bp->dev, pkt_size);
5714 5715
	if (!skb)
		return -ENOMEM;
5716
	packet = skb_put(skb, pkt_size);
M
Michael Chan 已提交
5717
	memcpy(packet, bp->dev->dev_addr, 6);
5718 5719 5720 5721
	memset(packet + 6, 0x0, 8);
	for (i = 14; i < pkt_size; i++)
		packet[i] = (unsigned char) (i & 0xff);

5722 5723 5724
	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
5725 5726 5727
		dev_kfree_skb(skb);
		return -EIO;
	}
5728

M
Michael Chan 已提交
5729 5730 5731
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5732 5733 5734
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);
5735
	rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5736 5737 5738

	num_pkts = 0;

5739
	txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
5740 5741 5742 5743 5744 5745 5746

	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++;
5747 5748
	txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
	txr->tx_prod_bseq += pkt_size;
5749

5750 5751
	REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
	REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
5752 5753 5754

	udelay(100);

M
Michael Chan 已提交
5755 5756 5757
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5758 5759 5760 5761
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

5762
	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5763
	dev_kfree_skb(skb);
5764

5765
	if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
5766 5767
		goto loopback_test_done;

5768
	rx_idx = bnx2_get_hw_rx_cons(bnapi);
5769 5770 5771 5772
	if (rx_idx != rx_start_idx + num_pkts) {
		goto loopback_test_done;
	}

5773
	rx_buf = &rxr->rx_buf_ring[rx_start_idx];
5774 5775 5776
	rx_skb = rx_buf->skb;

	rx_hdr = (struct l2_fhdr *) rx_skb->data;
5777
	skb_reserve(rx_skb, BNX2_RX_OFFSET);
5778 5779 5780 5781 5782

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

5783
	if (rx_hdr->l2_fhdr_status &
5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809
		(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
5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824
#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);
5825
	bnx2_init_phy(bp, 1);
M
Michael Chan 已提交
5826 5827 5828 5829 5830 5831 5832 5833
	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;
}

5834 5835 5836 5837 5838 5839
#define NVRAM_SIZE 0x200
#define CRC32_RESIDUAL 0xdebb20e3

static int
bnx2_test_nvram(struct bnx2 *bp)
{
A
Al Viro 已提交
5840
	__be32 buf[NVRAM_SIZE / 4];
5841 5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865 5866 5867 5868 5869 5870 5871 5872 5873 5874 5875 5876
	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;

5877 5878 5879
	if (!netif_running(bp->dev))
		return -ENODEV;

5880
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5881 5882 5883 5884
		if (bp->link_up)
			return 0;
		return -ENODEV;
	}
5885
	spin_lock_bh(&bp->phy_lock);
5886 5887 5888 5889
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
5890
	spin_unlock_bh(&bp->phy_lock);
5891

5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909
	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
5910
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927
	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;
}

5928
/* Determining link for parallel detection. */
5929 5930 5931 5932 5933
static int
bnx2_5706_serdes_has_link(struct bnx2 *bp)
{
	u32 mode_ctl, an_dbg, exp;

5934 5935 5936
	if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
		return 0;

5937 5938 5939 5940 5941 5942 5943 5944 5945 5946
	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);

5947
	if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5948 5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959
		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;
}

5960
static void
5961
bnx2_5706_serdes_timer(struct bnx2 *bp)
5962
{
5963 5964
	int check_link = 1;

5965
	spin_lock(&bp->phy_lock);
5966
	if (bp->serdes_an_pending) {
5967
		bp->serdes_an_pending--;
5968 5969
		check_link = 0;
	} else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5970
		u32 bmcr;
5971

5972
		bp->current_interval = BNX2_TIMER_INTERVAL;
M
Michael Chan 已提交
5973

5974
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5975

5976
		if (bmcr & BMCR_ANENABLE) {
5977
			if (bnx2_5706_serdes_has_link(bp)) {
5978 5979
				bmcr &= ~BMCR_ANENABLE;
				bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5980
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5981
				bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5982
			}
5983
		}
5984 5985
	}
	else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5986
		 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5987
		u32 phy2;
5988

5989 5990 5991 5992
		bnx2_write_phy(bp, 0x17, 0x0f01);
		bnx2_read_phy(bp, 0x15, &phy2);
		if (phy2 & 0x20) {
			u32 bmcr;
M
Michael Chan 已提交
5993

5994
			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5995
			bmcr |= BMCR_ANENABLE;
5996
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5997

5998
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5999 6000
		}
	} else
6001
		bp->current_interval = BNX2_TIMER_INTERVAL;
6002

6003
	if (check_link) {
6004 6005 6006 6007 6008 6009
		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);

6010 6011 6012 6013 6014 6015 6016 6017
		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);
6018
	}
6019 6020
	spin_unlock(&bp->phy_lock);
}
6021

6022 6023 6024
static void
bnx2_5708_serdes_timer(struct bnx2 *bp)
{
6025
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6026 6027
		return;

6028
	if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
6029 6030 6031
		bp->serdes_an_pending = 0;
		return;
	}
6032

6033 6034 6035 6036 6037
	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;
6038

6039
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6040
		if (bmcr & BMCR_ANENABLE) {
6041
			bnx2_enable_forced_2g5(bp);
M
Michael Chan 已提交
6042
			bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
6043
		} else {
6044
			bnx2_disable_forced_2g5(bp);
6045
			bp->serdes_an_pending = 2;
6046
			bp->current_interval = BNX2_TIMER_INTERVAL;
6047 6048
		}

6049
	} else
6050
		bp->current_interval = BNX2_TIMER_INTERVAL;
6051

6052 6053 6054
	spin_unlock(&bp->phy_lock);
}

6055 6056 6057 6058
static void
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
6059

6060 6061
	if (!netif_running(bp->dev))
		return;
6062

6063 6064
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;
6065

6066 6067 6068 6069
	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
6070
	bnx2_send_heart_beat(bp);
6071

6072 6073
	bp->stats_blk->stat_FwRxDrop =
		bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
6074

6075
	/* workaround occasional corrupted counters */
6076
	if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
6077 6078 6079
		REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
					    BNX2_HC_COMMAND_STATS_NOW);

6080
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6081 6082
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			bnx2_5706_serdes_timer(bp);
6083
		else
6084
			bnx2_5708_serdes_timer(bp);
6085 6086 6087
	}

bnx2_restart_timer:
M
Michael Chan 已提交
6088
	mod_timer(&bp->timer, jiffies + bp->current_interval);
6089 6090
}

6091 6092 6093
static int
bnx2_request_irq(struct bnx2 *bp)
{
6094
	unsigned long flags;
6095 6096
	struct bnx2_irq *irq;
	int rc = 0, i;
6097

6098
	if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
6099 6100 6101
		flags = 0;
	else
		flags = IRQF_SHARED;
6102 6103 6104

	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
6105
		rc = request_irq(irq->vector, irq->handler, flags, irq->name,
6106
				 &bp->bnx2_napi[i]);
6107 6108 6109 6110
		if (rc)
			break;
		irq->requested = 1;
	}
6111 6112 6113 6114 6115 6116
	return rc;
}

static void
bnx2_free_irq(struct bnx2 *bp)
{
6117 6118
	struct bnx2_irq *irq;
	int i;
6119

6120 6121 6122
	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
		if (irq->requested)
6123
			free_irq(irq->vector, &bp->bnx2_napi[i]);
6124
		irq->requested = 0;
6125
	}
6126
	if (bp->flags & BNX2_FLAG_USING_MSI)
6127
		pci_disable_msi(bp->pdev);
6128
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
6129 6130
		pci_disable_msix(bp->pdev);

6131
	bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
6132 6133 6134
}

static void
M
Michael Chan 已提交
6135
bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
6136
{
M
Michael Chan 已提交
6137 6138
	int i, rc;
	struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
M
Michael Chan 已提交
6139 6140
	struct net_device *dev = bp->dev;
	const int len = sizeof(bp->irq_tbl[0].name);
M
Michael Chan 已提交
6141

6142 6143 6144 6145
	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
6146

6147 6148 6149 6150
	/*  Need to flush the previous three writes to ensure MSI-X
	 *  is setup properly */
	REG_RD(bp, BNX2_PCI_MSIX_CONTROL);

M
Michael Chan 已提交
6151 6152 6153 6154 6155 6156 6157 6158 6159
	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
6160
	bp->irq_nvecs = msix_vecs;
6161
	bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
6162
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
M
Michael Chan 已提交
6163
		bp->irq_tbl[i].vector = msix_ent[i].vector;
6164 6165 6166
		snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
		bp->irq_tbl[i].handler = bnx2_msi_1shot;
	}
6167 6168 6169 6170 6171
}

static void
bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
{
M
Michael Chan 已提交
6172
	int cpus = num_online_cpus();
B
Benjamin Li 已提交
6173
	int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
M
Michael Chan 已提交
6174

6175 6176
	bp->irq_tbl[0].handler = bnx2_interrupt;
	strcpy(bp->irq_tbl[0].name, bp->dev->name);
6177 6178 6179
	bp->irq_nvecs = 1;
	bp->irq_tbl[0].vector = bp->pdev->irq;

M
Michael Chan 已提交
6180 6181
	if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
		bnx2_enable_msix(bp, msix_vecs);
6182

6183 6184
	if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
	    !(bp->flags & BNX2_FLAG_USING_MSIX)) {
6185
		if (pci_enable_msi(bp->pdev) == 0) {
6186
			bp->flags |= BNX2_FLAG_USING_MSI;
6187
			if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6188
				bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
6189 6190 6191
				bp->irq_tbl[0].handler = bnx2_msi_1shot;
			} else
				bp->irq_tbl[0].handler = bnx2_msi;
6192 6193

			bp->irq_tbl[0].vector = bp->pdev->irq;
6194 6195
		}
	}
B
Benjamin Li 已提交
6196 6197 6198 6199

	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
6200
	bp->num_rx_rings = bp->irq_nvecs;
6201 6202
}

6203 6204 6205 6206
/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
6207
	struct bnx2 *bp = netdev_priv(dev);
6208 6209
	int rc;

6210 6211
	netif_carrier_off(dev);

6212
	bnx2_set_power_state(bp, PCI_D0);
6213 6214
	bnx2_disable_int(bp);

6215 6216
	bnx2_setup_int_mode(bp, disable_msi);
	bnx2_napi_enable(bp);
6217
	rc = bnx2_alloc_mem(bp);
6218 6219
	if (rc)
		goto open_err;
6220

6221
	rc = bnx2_request_irq(bp);
6222 6223
	if (rc)
		goto open_err;
6224

6225
	rc = bnx2_init_nic(bp, 1);
6226 6227
	if (rc)
		goto open_err;
6228

M
Michael Chan 已提交
6229
	mod_timer(&bp->timer, jiffies + bp->current_interval);
6230 6231 6232

	atomic_set(&bp->intr_sem, 0);

6233 6234
	memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));

6235 6236
	bnx2_enable_int(bp);

6237
	if (bp->flags & BNX2_FLAG_USING_MSI) {
6238 6239 6240 6241 6242 6243 6244 6245 6246 6247 6248
		/* 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);
6249
			bnx2_free_irq(bp);
6250

6251 6252
			bnx2_setup_int_mode(bp, 1);

6253
			rc = bnx2_init_nic(bp, 0);
6254

6255 6256 6257
			if (!rc)
				rc = bnx2_request_irq(bp);

6258 6259
			if (rc) {
				del_timer_sync(&bp->timer);
6260
				goto open_err;
6261 6262 6263 6264
			}
			bnx2_enable_int(bp);
		}
	}
6265
	if (bp->flags & BNX2_FLAG_USING_MSI)
6266
		printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
6267
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
M
Michael Chan 已提交
6268
		printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
6269

B
Benjamin Li 已提交
6270
	netif_tx_start_all_queues(dev);
6271 6272

	return 0;
6273 6274 6275 6276 6277 6278 6279

open_err:
	bnx2_napi_disable(bp);
	bnx2_free_skbs(bp);
	bnx2_free_irq(bp);
	bnx2_free_mem(bp);
	return rc;
6280 6281 6282
}

static void
D
David Howells 已提交
6283
bnx2_reset_task(struct work_struct *work)
6284
{
D
David Howells 已提交
6285
	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
6286

6287 6288 6289
	rtnl_lock();
	if (!netif_running(bp->dev)) {
		rtnl_unlock();
6290
		return;
6291
	}
6292

6293 6294
	bnx2_netif_stop(bp);

6295
	bnx2_init_nic(bp, 1);
6296 6297 6298

	atomic_set(&bp->intr_sem, 1);
	bnx2_netif_start(bp);
6299
	rtnl_unlock();
6300 6301
}

6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322
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));
}

6323 6324 6325
static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
6326
	struct bnx2 *bp = netdev_priv(dev);
6327

6328 6329
	bnx2_dump_state(bp);

6330 6331 6332 6333 6334 6335 6336 6337 6338
	/* 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
6339
	struct bnx2 *bp = netdev_priv(dev);
6340

6341 6342
	if (netif_running(dev))
		bnx2_netif_stop(bp);
6343 6344

	bp->vlgrp = vlgrp;
6345 6346 6347 6348

	if (!netif_running(dev))
		return;

6349
	bnx2_set_rx_mode(dev);
6350 6351
	if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
		bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
6352 6353 6354 6355 6356

	bnx2_netif_start(bp);
}
#endif

H
Herbert Xu 已提交
6357
/* Called with netif_tx_lock.
M
Michael Chan 已提交
6358 6359
 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
 * netif_wake_queue().
6360
 */
6361
static netdev_tx_t
6362 6363
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
6364
	struct bnx2 *bp = netdev_priv(dev);
6365 6366
	dma_addr_t mapping;
	struct tx_bd *txbd;
B
Benjamin Li 已提交
6367
	struct sw_tx_bd *tx_buf;
6368 6369 6370
	u32 len, vlan_tag_flags, last_frag, mss;
	u16 prod, ring_prod;
	int i;
B
Benjamin Li 已提交
6371 6372 6373 6374 6375 6376 6377 6378 6379
	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);
6380

6381
	if (unlikely(bnx2_tx_avail(bp, txr) <
6382
	    (skb_shinfo(skb)->nr_frags + 1))) {
B
Benjamin Li 已提交
6383
		netif_tx_stop_queue(txq);
6384 6385 6386 6387 6388 6389
		printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
			dev->name);

		return NETDEV_TX_BUSY;
	}
	len = skb_headlen(skb);
6390
	prod = txr->tx_prod;
6391 6392 6393
	ring_prod = TX_RING_IDX(prod);

	vlan_tag_flags = 0;
6394
	if (skb->ip_summed == CHECKSUM_PARTIAL) {
6395 6396 6397
		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
	}

6398
#ifdef BCM_VLAN
A
Al Viro 已提交
6399
	if (bp->vlgrp && vlan_tx_tag_present(skb)) {
6400 6401 6402
		vlan_tag_flags |=
			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
	}
6403
#endif
6404
	if ((mss = skb_shinfo(skb)->gso_size)) {
6405
		u32 tcp_opt_len;
6406
		struct iphdr *iph;
6407 6408 6409

		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

6410 6411 6412 6413 6414
		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;
6415

6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433
			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;
			}
6434
		}
6435
	} else
6436 6437
		mss = 0;

6438 6439
	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
6440 6441 6442 6443
		dev_kfree_skb(skb);
		return NETDEV_TX_OK;
	}

6444
	tx_buf = &txr->tx_buf_ring[ring_prod];
6445
	tx_buf->skb = skb;
6446
	pci_unmap_addr_set(tx_buf, mapping, mapping);
6447

6448
	txbd = &txr->tx_desc_ring[ring_prod];
6449 6450 6451 6452 6453 6454 6455

	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
6456 6457
	tx_buf->nr_frags = last_frag;
	tx_buf->is_gso = skb_is_gso(skb);
6458 6459 6460 6461 6462 6463

	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);
6464
		txbd = &txr->tx_desc_ring[ring_prod];
6465 6466

		len = frag->size;
6467 6468 6469 6470 6471 6472
		mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
			len, PCI_DMA_TODEVICE);
		if (pci_dma_mapping_error(bp->pdev, mapping))
			goto dma_error;
		pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
				   mapping);
6473 6474 6475 6476 6477 6478 6479 6480 6481 6482

		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);
6483
	txr->tx_prod_bseq += skb->len;
6484

6485 6486
	REG_WR16(bp, txr->tx_bidx_addr, prod);
	REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
6487 6488 6489

	mmiowb();

6490
	txr->tx_prod = prod;
6491

6492
	if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
B
Benjamin Li 已提交
6493
		netif_tx_stop_queue(txq);
6494
		if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
B
Benjamin Li 已提交
6495
			netif_tx_wake_queue(txq);
6496 6497
	}

6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521
	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);
6522 6523 6524 6525 6526 6527 6528
	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
6529
	struct bnx2 *bp = netdev_priv(dev);
6530

6531
	cancel_work_sync(&bp->reset_task);
6532

6533
	bnx2_disable_int_sync(bp);
6534
	bnx2_napi_disable(bp);
6535
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
6536
	bnx2_shutdown_chip(bp);
6537
	bnx2_free_irq(bp);
6538 6539 6540 6541
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
6542
	bnx2_set_power_state(bp, PCI_D3hot);
6543 6544 6545
	return 0;
}

6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557
static void
bnx2_save_stats(struct bnx2 *bp)
{
	u32 *hw_stats = (u32 *) bp->stats_blk;
	u32 *temp_stats = (u32 *) bp->temp_stats_blk;
	int i;

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

6558 6559
		hi = temp_stats[i] + hw_stats[i];
		lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
6560 6561
		if (lo > 0xffffffff)
			hi++;
6562 6563
		temp_stats[i] = hi;
		temp_stats[i + 1] = lo & 0xffffffff;
6564 6565 6566
	}

	for ( ; i < sizeof(struct statistics_block) / 4; i++)
6567
		temp_stats[i] += hw_stats[i];
6568 6569
}

M
Michael Chan 已提交
6570
#define GET_64BIT_NET_STATS64(ctr)				\
6571 6572 6573
	(unsigned long) ((unsigned long) (ctr##_hi) << 32) +	\
	(unsigned long) (ctr##_lo)

M
Michael Chan 已提交
6574
#define GET_64BIT_NET_STATS32(ctr)				\
6575 6576 6577
	(ctr##_lo)

#if (BITS_PER_LONG == 64)
M
Michael Chan 已提交
6578
#define GET_64BIT_NET_STATS(ctr)				\
6579 6580
	GET_64BIT_NET_STATS64(bp->stats_blk->ctr) +		\
	GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
6581
#else
M
Michael Chan 已提交
6582
#define GET_64BIT_NET_STATS(ctr)				\
6583 6584
	GET_64BIT_NET_STATS32(bp->stats_blk->ctr) +		\
	GET_64BIT_NET_STATS32(bp->temp_stats_blk->ctr)
6585 6586
#endif

M
Michael Chan 已提交
6587
#define GET_32BIT_NET_STATS(ctr)				\
6588 6589
	(unsigned long) (bp->stats_blk->ctr +			\
			 bp->temp_stats_blk->ctr)
M
Michael Chan 已提交
6590

6591 6592 6593
static struct net_device_stats *
bnx2_get_stats(struct net_device *dev)
{
M
Michael Chan 已提交
6594
	struct bnx2 *bp = netdev_priv(dev);
6595
	struct net_device_stats *net_stats = &dev->stats;
6596 6597 6598 6599 6600

	if (bp->stats_blk == NULL) {
		return net_stats;
	}
	net_stats->rx_packets =
M
Michael Chan 已提交
6601 6602 6603
		GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
6604 6605

	net_stats->tx_packets =
M
Michael Chan 已提交
6606 6607 6608
		GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
6609 6610

	net_stats->rx_bytes =
M
Michael Chan 已提交
6611
		GET_64BIT_NET_STATS(stat_IfHCInOctets);
6612 6613

	net_stats->tx_bytes =
M
Michael Chan 已提交
6614
		GET_64BIT_NET_STATS(stat_IfHCOutOctets);
6615

6616
	net_stats->multicast =
M
Michael Chan 已提交
6617
		GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts);
6618

6619
	net_stats->collisions =
M
Michael Chan 已提交
6620
		GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
6621

6622
	net_stats->rx_length_errors =
M
Michael Chan 已提交
6623 6624
		GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
		GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
6625

6626
	net_stats->rx_over_errors =
M
Michael Chan 已提交
6627 6628
		GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
		GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
6629

6630
	net_stats->rx_frame_errors =
M
Michael Chan 已提交
6631
		GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
6632

6633
	net_stats->rx_crc_errors =
M
Michael Chan 已提交
6634
		GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
6635 6636 6637 6638 6639 6640

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

	net_stats->tx_aborted_errors =
M
Michael Chan 已提交
6641 6642
		GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
		GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
6643

M
Michael Chan 已提交
6644 6645
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
6646 6647 6648
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
M
Michael Chan 已提交
6649
			GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
6650 6651 6652
	}

	net_stats->tx_errors =
M
Michael Chan 已提交
6653
		GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
6654 6655 6656
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
6657
	net_stats->rx_missed_errors =
M
Michael Chan 已提交
6658 6659 6660
		GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
		GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
		GET_32BIT_NET_STATS(stat_FwRxDrop);
M
Michael Chan 已提交
6661

6662 6663 6664 6665 6666 6667 6668 6669
	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
6670
	struct bnx2 *bp = netdev_priv(dev);
6671
	int support_serdes = 0, support_copper = 0;
6672 6673

	cmd->supported = SUPPORTED_Autoneg;
6674
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6675 6676 6677 6678 6679 6680 6681 6682
		support_serdes = 1;
		support_copper = 1;
	} else if (bp->phy_port == PORT_FIBRE)
		support_serdes = 1;
	else
		support_copper = 1;

	if (support_serdes) {
6683 6684
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;
6685
		if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6686
			cmd->supported |= SUPPORTED_2500baseX_Full;
6687 6688

	}
6689
	if (support_copper) {
6690 6691 6692 6693 6694 6695 6696 6697 6698
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

	}

6699 6700
	spin_lock_bh(&bp->phy_lock);
	cmd->port = bp->phy_port;
6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717
	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;
	}
6718
	spin_unlock_bh(&bp->phy_lock);
6719 6720 6721 6722 6723 6724

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

	return 0;
}
6725

6726 6727 6728
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
6729
	struct bnx2 *bp = netdev_priv(dev);
6730 6731 6732 6733
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;
6734 6735 6736 6737 6738 6739 6740
	int err = -EINVAL;

	spin_lock_bh(&bp->phy_lock);

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

6741 6742
	if (cmd->port != bp->phy_port &&
	    !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6743
		goto err_out_unlock;
6744

6745 6746 6747 6748 6749 6750
	/* 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;

6751 6752 6753
	if (cmd->autoneg == AUTONEG_ENABLE) {
		autoneg |= AUTONEG_SPEED;

6754 6755 6756 6757
		advertising = cmd->advertising;
		if (cmd->port == PORT_TP) {
			advertising &= ETHTOOL_ALL_COPPER_SPEED;
			if (!advertising)
6758
				advertising = ETHTOOL_ALL_COPPER_SPEED;
6759 6760 6761 6762
		} else {
			advertising &= ETHTOOL_ALL_FIBRE_SPEED;
			if (!advertising)
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
6763 6764 6765 6766
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
6767
		if (cmd->port == PORT_FIBRE) {
M
Michael Chan 已提交
6768 6769 6770
			if ((cmd->speed != SPEED_1000 &&
			     cmd->speed != SPEED_2500) ||
			    (cmd->duplex != DUPLEX_FULL))
6771
				goto err_out_unlock;
M
Michael Chan 已提交
6772 6773

			if (cmd->speed == SPEED_2500 &&
6774
			    !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6775
				goto err_out_unlock;
6776
		}
6777 6778 6779
		else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
			goto err_out_unlock;

6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790
		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;

6791 6792 6793 6794 6795 6796
	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);
6797

6798
err_out_unlock:
6799
	spin_unlock_bh(&bp->phy_lock);
6800

6801
	return err;
6802 6803 6804 6805 6806
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
6807
	struct bnx2 *bp = netdev_priv(dev);
6808 6809 6810 6811

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
6812
	strcpy(info->fw_version, bp->fw_version);
6813 6814
}

M
Michael Chan 已提交
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 6856 6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868 6869 6870 6871 6872
#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;
		}
	}
}

6873 6874 6875
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
6876
	struct bnx2 *bp = netdev_priv(dev);
6877

6878
	if (bp->flags & BNX2_FLAG_NO_WOL) {
6879 6880 6881 6882 6883 6884 6885 6886 6887 6888 6889 6890 6891 6892 6893 6894
		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
6895
	struct bnx2 *bp = netdev_priv(dev);
6896 6897 6898 6899 6900

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

	if (wol->wolopts & WAKE_MAGIC) {
6901
		if (bp->flags & BNX2_FLAG_NO_WOL)
6902 6903 6904 6905 6906 6907 6908 6909 6910 6911 6912 6913 6914
			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
6915
	struct bnx2 *bp = netdev_priv(dev);
6916 6917
	u32 bmcr;

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

6921 6922 6923 6924
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		return -EINVAL;
	}

6925
	spin_lock_bh(&bp->phy_lock);
6926

6927
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6928 6929 6930 6931 6932 6933 6934
		int rc;

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

6935
	/* Force a link down visible on the other side */
6936
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6937
		bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6938
		spin_unlock_bh(&bp->phy_lock);
6939 6940 6941

		msleep(20);

6942
		spin_lock_bh(&bp->phy_lock);
6943

M
Michael Chan 已提交
6944
		bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
6945 6946
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
6947 6948
	}

6949
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6950
	bmcr &= ~BMCR_LOOPBACK;
6951
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6952

6953
	spin_unlock_bh(&bp->phy_lock);
6954 6955 6956 6957

	return 0;
}

6958 6959 6960 6961 6962 6963 6964 6965
static u32
bnx2_get_link(struct net_device *dev)
{
	struct bnx2 *bp = netdev_priv(dev);

	return bp->link_up;
}

6966 6967 6968
static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
6969
	struct bnx2 *bp = netdev_priv(dev);
6970

M
Michael Chan 已提交
6971
	if (bp->flash_info == NULL)
6972 6973
		return 0;

M
Michael Chan 已提交
6974
	return (int) bp->flash_size;
6975 6976 6977 6978 6979 6980
}

static int
bnx2_get_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_get_eeprom */
6988 6989 6990 6991 6992 6993 6994 6995 6996 6997

	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
6998
	struct bnx2 *bp = netdev_priv(dev);
6999 7000
	int rc;

7001 7002 7003
	if (!netif_running(dev))
		return -EAGAIN;

7004
	/* parameters already validated in ethtool_set_eeprom */
7005 7006 7007 7008 7009 7010 7011 7012 7013

	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
7014
	struct bnx2 *bp = netdev_priv(dev);
7015 7016 7017 7018 7019 7020 7021 7022 7023 7024 7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035

	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
7036
	struct bnx2 *bp = netdev_priv(dev);
7037 7038 7039 7040

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

7041
	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
7042 7043 7044 7045 7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064
	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;
7065
	if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
7066 7067 7068
		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
			bp->stats_ticks = USEC_PER_SEC;
	}
7069 7070 7071
	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;
7072 7073 7074

	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
7075
		bnx2_init_nic(bp, 0);
7076 7077 7078 7079 7080 7081 7082 7083 7084
		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
7085
	struct bnx2 *bp = netdev_priv(dev);
7086

7087
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
7088
	ering->rx_mini_max_pending = 0;
7089
	ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
7090 7091 7092

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
7093
	ering->rx_jumbo_pending = bp->rx_pg_ring_size;
7094 7095 7096 7097 7098 7099

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

static int
7100
bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
7101
{
7102
	if (netif_running(bp->dev)) {
7103 7104 7105
		/* Reset will erase chipset stats; save them */
		bnx2_save_stats(bp);

7106 7107 7108 7109 7110 7111
		bnx2_netif_stop(bp);
		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
	}

7112 7113
	bnx2_set_rx_ring_size(bp, rx);
	bp->tx_ring_size = tx;
7114 7115

	if (netif_running(bp->dev)) {
7116 7117 7118
		int rc;

		rc = bnx2_alloc_mem(bp);
7119 7120 7121 7122 7123 7124
		if (!rc)
			rc = bnx2_init_nic(bp, 0);

		if (rc) {
			bnx2_napi_enable(bp);
			dev_close(bp->dev);
7125
			return rc;
7126
		}
7127 7128 7129 7130 7131 7132 7133
#ifdef BCM_CNIC
		mutex_lock(&bp->cnic_lock);
		/* Let cnic know about the new status block. */
		if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
			bnx2_setup_cnic_irq_info(bp);
		mutex_unlock(&bp->cnic_lock);
#endif
7134 7135 7136 7137 7138
		bnx2_netif_start(bp);
	}
	return 0;
}

7139 7140 7141 7142 7143 7144 7145 7146 7147 7148 7149 7150 7151 7152 7153 7154
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;
}

7155 7156 7157
static void
bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
7158
	struct bnx2 *bp = netdev_priv(dev);
7159 7160 7161 7162 7163 7164 7165 7166 7167

	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
7168
	struct bnx2 *bp = netdev_priv(dev);
7169 7170 7171 7172 7173 7174 7175 7176 7177 7178 7179 7180 7181 7182

	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;
	}

7183 7184 7185 7186 7187
	if (netif_running(dev)) {
		spin_lock_bh(&bp->phy_lock);
		bnx2_setup_phy(bp, bp->phy_port);
		spin_unlock_bh(&bp->phy_lock);
	}
7188 7189 7190 7191 7192 7193 7194

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
7195
	struct bnx2 *bp = netdev_priv(dev);
7196 7197 7198 7199 7200 7201 7202

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
7203
	struct bnx2 *bp = netdev_priv(dev);
7204 7205 7206 7207 7208

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
7209 7210 7211
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
7212 7213 7214
	struct bnx2 *bp = netdev_priv(dev);

	if (data) {
M
Michael Chan 已提交
7215
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7216 7217 7218 7219 7220
		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
7221 7222 7223
	return 0;
}

7224
static struct {
7225
	char string[ETH_GSTRING_LEN];
M
Michael Chan 已提交
7226
} bnx2_stats_str_arr[] = {
7227 7228 7229 7230 7231 7232 7233 7234 7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245 7246 7247 7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266 7267 7268 7269 7270
	{ "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
7271
	{ "rx_ftq_discards" },
7272
	{ "rx_discards" },
M
Michael Chan 已提交
7273
	{ "rx_fw_discards" },
7274 7275
};

M
Michael Chan 已提交
7276 7277 7278
#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
			sizeof(bnx2_stats_str_arr[0]))

7279 7280
#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)

7281
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292
    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),
7293 7294 7295 7296 7297 7298 7299 7300 7301 7302 7303 7304 7305 7306 7307 7308 7309 7310 7311 7312 7313 7314 7315 7316 7317 7318 7319 7320 7321 7322 7323 7324 7325
    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
7326
    STATS_OFFSET32(stat_IfInFTQDiscards),
7327
    STATS_OFFSET32(stat_IfInMBUFDiscards),
M
Michael Chan 已提交
7328
    STATS_OFFSET32(stat_FwRxDrop),
7329 7330 7331 7332
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
7333
 */
7334
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
7335 7336 7337 7338
	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
7339
	4,4,4,4,4,4,4,
7340 7341
};

M
Michael Chan 已提交
7342 7343 7344 7345 7346
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
7347
	4,4,4,4,4,4,4,
M
Michael Chan 已提交
7348 7349
};

7350 7351
#define BNX2_NUM_TESTS 6

7352
static struct {
7353 7354 7355 7356 7357 7358 7359 7360 7361 7362 7363
	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
7364
bnx2_get_sset_count(struct net_device *dev, int sset)
7365
{
7366 7367 7368 7369 7370 7371 7372 7373
	switch (sset) {
	case ETH_SS_TEST:
		return BNX2_NUM_TESTS;
	case ETH_SS_STATS:
		return BNX2_NUM_STATS;
	default:
		return -EOPNOTSUPP;
	}
7374 7375 7376 7377 7378
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
7379
	struct bnx2 *bp = netdev_priv(dev);
7380

7381 7382
	bnx2_set_power_state(bp, PCI_D0);

7383 7384
	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
M
Michael Chan 已提交
7385 7386
		int i;

7387 7388 7389 7390 7391 7392 7393 7394 7395 7396 7397 7398
		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
7399
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
7400 7401
			etest->flags |= ETH_TEST_FL_FAILED;

7402 7403
		if (!netif_running(bp->dev))
			bnx2_shutdown_chip(bp);
7404
		else {
7405
			bnx2_init_nic(bp, 1);
7406 7407 7408 7409
			bnx2_netif_start(bp);
		}

		/* wait for link up */
M
Michael Chan 已提交
7410 7411 7412 7413 7414
		for (i = 0; i < 7; i++) {
			if (bp->link_up)
				break;
			msleep_interruptible(1000);
		}
7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425 7426 7427 7428 7429 7430
	}

	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;

	}
7431 7432
	if (!netif_running(bp->dev))
		bnx2_set_power_state(bp, PCI_D3hot);
7433 7434 7435 7436 7437 7438 7439 7440 7441 7442 7443 7444 7445 7446 7447 7448 7449 7450 7451 7452 7453
}

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
7454
	struct bnx2 *bp = netdev_priv(dev);
7455 7456
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
7457
	u32 *temp_stats = (u32 *) bp->temp_stats_blk;
7458
	u8 *stats_len_arr = NULL;
7459 7460 7461 7462 7463 7464

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

M
Michael Chan 已提交
7465 7466 7467 7468
	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))
7469
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
7470 7471
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
7472 7473

	for (i = 0; i < BNX2_NUM_STATS; i++) {
7474 7475
		unsigned long offset;

7476 7477 7478 7479 7480
		if (stats_len_arr[i] == 0) {
			/* skip this counter */
			buf[i] = 0;
			continue;
		}
7481 7482

		offset = bnx2_stats_offset_arr[i];
7483 7484
		if (stats_len_arr[i] == 4) {
			/* 4-byte counter */
7485 7486
			buf[i] = (u64) *(hw_stats + offset) +
				 *(temp_stats + offset);
7487 7488 7489
			continue;
		}
		/* 8-byte counter */
7490 7491 7492 7493
		buf[i] = (((u64) *(hw_stats + offset)) << 32) +
			 *(hw_stats + offset + 1) +
			 (((u64) *(temp_stats + offset)) << 32) +
			 *(temp_stats + offset + 1);
7494 7495 7496 7497 7498 7499
	}
}

static int
bnx2_phys_id(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
7500
	struct bnx2 *bp = netdev_priv(dev);
7501 7502 7503
	int i;
	u32 save;

7504 7505
	bnx2_set_power_state(bp, PCI_D0);

7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528 7529
	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);
7530 7531 7532 7533

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

7534 7535 7536
	return 0;
}

7537 7538 7539 7540 7541 7542
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)
7543
		return (ethtool_op_set_tx_ipv6_csum(dev, data));
7544 7545 7546 7547
	else
		return (ethtool_op_set_tx_csum(dev, data));
}

7548
static const struct ethtool_ops bnx2_ethtool_ops = {
7549 7550 7551
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
7552 7553
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
7554 7555 7556
	.get_wol		= bnx2_get_wol,
	.set_wol		= bnx2_set_wol,
	.nway_reset		= bnx2_nway_reset,
7557
	.get_link		= bnx2_get_link,
7558 7559 7560 7561 7562 7563 7564 7565 7566 7567 7568
	.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,
7569
	.set_tx_csum		= bnx2_set_tx_csum,
7570
	.set_sg			= ethtool_op_set_sg,
M
Michael Chan 已提交
7571
	.set_tso		= bnx2_set_tso,
7572 7573 7574 7575
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
7576
	.get_sset_count		= bnx2_get_sset_count,
7577 7578 7579 7580 7581 7582
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
7583
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
7584
	struct bnx2 *bp = netdev_priv(dev);
7585 7586 7587 7588 7589 7590 7591 7592 7593 7594
	int err;

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

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

7595
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7596 7597
			return -EOPNOTSUPP;

7598 7599 7600
		if (!netif_running(dev))
			return -EAGAIN;

7601
		spin_lock_bh(&bp->phy_lock);
7602
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
7603
		spin_unlock_bh(&bp->phy_lock);
7604 7605 7606 7607 7608 7609 7610

		data->val_out = mii_regval;

		return err;
	}

	case SIOCSMIIREG:
7611
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7612 7613
			return -EOPNOTSUPP;

7614 7615 7616
		if (!netif_running(dev))
			return -EAGAIN;

7617
		spin_lock_bh(&bp->phy_lock);
7618
		err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
7619
		spin_unlock_bh(&bp->phy_lock);
7620 7621 7622 7623 7624 7625 7626 7627 7628 7629 7630 7631 7632 7633 7634

		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
7635
	struct bnx2 *bp = netdev_priv(dev);
7636

7637 7638 7639
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

7640 7641
	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
	if (netif_running(dev))
7642
		bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
7643 7644 7645 7646 7647 7648 7649 7650

	return 0;
}

/* Called with rtnl_lock */
static int
bnx2_change_mtu(struct net_device *dev, int new_mtu)
{
M
Michael Chan 已提交
7651
	struct bnx2 *bp = netdev_priv(dev);
7652 7653 7654 7655 7656 7657

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

	dev->mtu = new_mtu;
7658
	return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
7659 7660
}

A
Alexey Dobriyan 已提交
7661
#ifdef CONFIG_NET_POLL_CONTROLLER
7662 7663 7664
static void
poll_bnx2(struct net_device *dev)
{
M
Michael Chan 已提交
7665
	struct bnx2 *bp = netdev_priv(dev);
7666
	int i;
7667

7668 7669 7670 7671 7672
	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);
	}
7673 7674 7675
}
#endif

7676 7677 7678 7679 7680 7681 7682 7683 7684 7685
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) {
7686
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7687 7688 7689 7690 7691 7692 7693 7694 7695 7696 7697 7698 7699
		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:
7700
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7701 7702 7703 7704 7705 7706 7707
			return;
		}
	} else {
		switch (strap) {
		case 0x1:
		case 0x2:
		case 0x4:
7708
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7709 7710 7711 7712 7713
			return;
		}
	}
}

7714 7715 7716 7717 7718 7719 7720 7721 7722
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;

7723
		bp->flags |= BNX2_FLAG_PCIX;
7724 7725 7726 7727 7728 7729 7730 7731 7732 7733 7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748 7749 7750 7751 7752 7753 7754 7755 7756 7757 7758 7759 7760 7761

		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)
7762
		bp->flags |= BNX2_FLAG_PCI_32BIT;
7763 7764 7765

}

7766 7767 7768 7769 7770 7771 7772 7773
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
7774 7775
#define BNX2_VPD_NVRAM_OFFSET	0x300
#define BNX2_VPD_LEN		128
7776 7777 7778 7779 7780 7781
#define BNX2_MAX_VER_SLEN	30

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

M
Michael Chan 已提交
7782 7783
	rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
			     BNX2_VPD_LEN);
7784 7785 7786
	if (rc)
		goto vpd_done;

M
Michael Chan 已提交
7787 7788 7789 7790 7791
	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];
7792 7793
	}

M
Michael Chan 已提交
7794
	for (i = 0; i <= BNX2_VPD_LEN - 3; ) {
7795 7796 7797 7798 7799 7800 7801 7802 7803 7804 7805 7806 7807 7808
		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
7809
		if (block_end > BNX2_VPD_LEN)
7810 7811 7812
			goto vpd_done;

		while (i < (block_end - 2)) {
M
Michael Chan 已提交
7813
			int len = data[i + 2];
7814

M
Michael Chan 已提交
7815 7816
			if (i + 3 + len > block_end)
				goto vpd_done;
7817

M
Michael Chan 已提交
7818 7819 7820
			if (data[i] == 'M' && data[i + 1] == 'N') {
				if (len != 4 ||
				    memcmp(&data[i + 3], "1028", 4))
7821 7822 7823 7824
					goto vpd_done;
				mn_match = true;

			} else if (data[i] == 'V' && data[i + 1] == '0') {
M
Michael Chan 已提交
7825
				if (len > BNX2_MAX_VER_SLEN)
7826 7827
					goto vpd_done;

M
Michael Chan 已提交
7828 7829
				v0_len = len;
				v0_str = &data[i + 3];
7830
			}
M
Michael Chan 已提交
7831
			i += 3 + len;
7832 7833 7834 7835 7836 7837 7838 7839 7840 7841 7842 7843 7844 7845

			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);
}

7846 7847 7848 7849 7850
static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
7851
	int rc, i, j;
7852
	u32 reg;
7853
	u64 dma_mask, persist_dma_mask;
7854 7855

	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
7856
	bp = netdev_priv(dev);
7857 7858 7859 7860

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

7861 7862 7863 7864 7865 7866 7867 7868
	bp->temp_stats_blk =
		kzalloc(sizeof(struct statistics_block), GFP_KERNEL);

	if (bp->temp_stats_blk == NULL) {
		rc = -ENOMEM;
		goto err_out;
	}

7869 7870 7871
	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
7872
		dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7873 7874 7875 7876
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7877
		dev_err(&pdev->dev,
7878
			"Cannot find PCI device base address, aborting.\n");
7879 7880 7881 7882 7883 7884
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
7885
		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7886 7887 7888 7889
		goto err_out_disable;
	}

	pci_set_master(pdev);
W
Wendy Xiong 已提交
7890
	pci_save_state(pdev);
7891 7892 7893

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
7894
		dev_err(&pdev->dev,
7895
			"Cannot find power management capability, aborting.\n");
7896 7897 7898 7899 7900 7901 7902 7903
		rc = -EIO;
		goto err_out_release;
	}

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

	spin_lock_init(&bp->phy_lock);
M
Michael Chan 已提交
7904
	spin_lock_init(&bp->indirect_lock);
7905 7906 7907
#ifdef BCM_CNIC
	mutex_init(&bp->cnic_lock);
#endif
D
David Howells 已提交
7908
	INIT_WORK(&bp->reset_task, bnx2_reset_task);
7909 7910

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7911
	mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
7912 7913 7914 7915 7916 7917
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

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

	if (!bp->regview) {
7918
		dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7919 7920 7921 7922 7923 7924 7925 7926 7927 7928 7929 7930
		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);

7931
	bnx2_set_power_state(bp, PCI_D0);
7932 7933 7934

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

7935 7936 7937 7938 7939 7940 7941
	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;
		}
7942
		bp->flags |= BNX2_FLAG_PCIE;
7943
		if (CHIP_REV(bp) == CHIP_REV_Ax)
7944
			bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7945
	} else {
M
Michael Chan 已提交
7946 7947 7948 7949 7950 7951 7952
		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;
		}
7953
		bp->flags |= BNX2_FLAG_BROKEN_STATS;
M
Michael Chan 已提交
7954 7955
	}

7956 7957
	if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7958
			bp->flags |= BNX2_FLAG_MSIX_CAP;
7959 7960
	}

7961 7962
	if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7963
			bp->flags |= BNX2_FLAG_MSI_CAP;
7964 7965
	}

7966 7967
	/* 5708 cannot support DMA addresses > 40-bit.  */
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
7968
		persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
7969
	else
7970
		persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
7971 7972 7973 7974 7975 7976 7977 7978 7979 7980

	/* 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;
		}
7981
	} else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
7982 7983 7984 7985
		dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
		goto err_out_unmap;
	}

7986
	if (!(bp->flags & BNX2_FLAG_PCIE))
7987
		bnx2_get_pci_speed(bp);
7988 7989 7990 7991 7992 7993 7994 7995

	/* 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) &&
7996
		!(bp->flags & BNX2_FLAG_PCIX)) {
7997

7998
		dev_err(&pdev->dev,
7999
			"5706 A1 can only be used in a PCIX bus, aborting.\n");
8000 8001 8002 8003 8004
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

8005
	reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
8006 8007

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
8008 8009 8010
	    BNX2_SHM_HDR_SIGNATURE_SIG) {
		u32 off = PCI_FUNC(pdev->devfn) << 2;

8011
		bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
8012
	} else
8013 8014
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

8015 8016 8017
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
8018
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
8019 8020 8021

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
8022
		dev_err(&pdev->dev, "Firmware not running, aborting.\n");
8023 8024 8025 8026
		rc = -ENODEV;
		goto err_out_unmap;
	}

8027 8028 8029
	bnx2_read_vpd_fw_ver(bp);

	j = strlen(bp->fw_version);
8030
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
8031
	for (i = 0; i < 3 && j < 24; i++) {
8032 8033
		u8 num, k, skip0;

8034 8035 8036 8037 8038
		if (i == 0) {
			bp->fw_version[j++] = 'b';
			bp->fw_version[j++] = 'c';
			bp->fw_version[j++] = ' ';
		}
8039 8040 8041 8042 8043 8044 8045 8046 8047 8048
		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++] = '.';
	}
8049
	reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
M
Michael Chan 已提交
8050 8051 8052 8053
	if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
		bp->wol = 1;

	if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
8054
		bp->flags |= BNX2_FLAG_ASF_ENABLE;
8055 8056

		for (i = 0; i < 30; i++) {
8057
			reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
8058 8059 8060 8061 8062
			if (reg & BNX2_CONDITION_MFW_RUN_MASK)
				break;
			msleep(10);
		}
	}
8063
	reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
8064 8065 8066
	reg &= BNX2_CONDITION_MFW_RUN_MASK;
	if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
	    reg != BNX2_CONDITION_MFW_RUN_NONE) {
8067
		u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
8068

8069 8070 8071
		if (j < 32)
			bp->fw_version[j++] = ' ';
		for (i = 0; i < 3 && j < 28; i++) {
8072
			reg = bnx2_reg_rd_ind(bp, addr + i * 4);
8073 8074 8075 8076 8077
			reg = swab32(reg);
			memcpy(&bp->fw_version[j], &reg, 4);
			j += 4;
		}
	}
8078

8079
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
8080 8081 8082
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

8083
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
8084 8085 8086 8087 8088 8089
	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;
8090
	bnx2_set_rx_ring_size(bp, 255);
8091 8092 8093

	bp->rx_csum = 1;

8094
	bp->tx_quick_cons_trip_int = 2;
8095
	bp->tx_quick_cons_trip = 20;
8096
	bp->tx_ticks_int = 18;
8097
	bp->tx_ticks = 80;
8098

8099 8100
	bp->rx_quick_cons_trip_int = 2;
	bp->rx_quick_cons_trip = 12;
8101 8102 8103
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

8104
	bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
8105

8106
	bp->current_interval = BNX2_TIMER_INTERVAL;
8107

M
Michael Chan 已提交
8108 8109
	bp->phy_addr = 1;

8110
	/* Disable WOL support if we are running on a SERDES chip. */
8111 8112 8113
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_get_5709_media(bp);
	else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
8114
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
M
Michael Chan 已提交
8115

8116
	bp->phy_port = PORT_TP;
8117
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
8118
		bp->phy_port = PORT_FIBRE;
8119
		reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
8120
		if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
8121
			bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
8122 8123
			bp->wol = 0;
		}
8124 8125 8126 8127 8128 8129 8130 8131 8132
		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
8133 8134
			bp->phy_addr = 2;
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
8135
				bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
M
Michael Chan 已提交
8136
		}
8137 8138
	} else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
		   CHIP_NUM(bp) == CHIP_NUM_5708)
8139
		bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
8140 8141 8142
	else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
		 (CHIP_REV(bp) == CHIP_REV_Ax ||
		  CHIP_REV(bp) == CHIP_REV_Bx))
8143
		bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
8144

8145 8146
	bnx2_init_fw_cap(bp);

8147 8148
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
M
Michael Chan 已提交
8149 8150
	    (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
	    !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
8151
		bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
8152 8153
		bp->wol = 0;
	}
M
Michael Chan 已提交
8154

8155 8156 8157 8158 8159 8160 8161 8162 8163 8164 8165 8166
	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;
	}

8167 8168 8169 8170 8171 8172 8173 8174
	/* 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
8175
	 * prefers to locally disable MSI rather than globally disabling it.
8176 8177 8178 8179 8180 8181 8182 8183
	 */
	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))) {

8184 8185
			if (amd_8132->revision >= 0x10 &&
			    amd_8132->revision <= 0x13) {
8186 8187 8188 8189 8190 8191 8192
				disable_msi = 1;
				pci_dev_put(amd_8132);
				break;
			}
		}
	}

8193
	bnx2_set_default_link(bp);
8194 8195
	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
8196
	init_timer(&bp->timer);
8197
	bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
M
Michael Chan 已提交
8198 8199 8200
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

8201 8202 8203 8204 8205
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
8206
		bp->regview = NULL;
8207 8208 8209 8210 8211 8212 8213 8214 8215 8216 8217 8218 8219
	}

err_out_release:
	pci_release_regions(pdev);

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

err_out:
	return rc;
}

8220 8221 8222 8223 8224
static char * __devinit
bnx2_bus_string(struct bnx2 *bp, char *str)
{
	char *s = str;

8225
	if (bp->flags & BNX2_FLAG_PCIE) {
8226 8227 8228
		s += sprintf(s, "PCI Express");
	} else {
		s += sprintf(s, "PCI");
8229
		if (bp->flags & BNX2_FLAG_PCIX)
8230
			s += sprintf(s, "-X");
8231
		if (bp->flags & BNX2_FLAG_PCI_32BIT)
8232 8233 8234 8235 8236 8237 8238 8239
			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
8240
static void __devinit
8241 8242
bnx2_init_napi(struct bnx2 *bp)
{
8243
	int i;
8244

8245
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
8246 8247 8248 8249 8250 8251
		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
		int (*poll)(struct napi_struct *, int);

		if (i == 0)
			poll = bnx2_poll;
		else
8252
			poll = bnx2_poll_msix;
8253 8254

		netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
8255 8256
		bnapi->bp = bp;
	}
8257 8258
}

8259 8260 8261 8262 8263 8264 8265 8266 8267 8268 8269 8270 8271 8272
static const struct net_device_ops bnx2_netdev_ops = {
	.ndo_open		= bnx2_open,
	.ndo_start_xmit		= bnx2_start_xmit,
	.ndo_stop		= bnx2_close,
	.ndo_get_stats		= bnx2_get_stats,
	.ndo_set_rx_mode	= bnx2_set_rx_mode,
	.ndo_do_ioctl		= bnx2_ioctl,
	.ndo_validate_addr	= eth_validate_addr,
	.ndo_set_mac_address	= bnx2_change_mac_addr,
	.ndo_change_mtu		= bnx2_change_mtu,
	.ndo_tx_timeout		= bnx2_tx_timeout,
#ifdef BCM_VLAN
	.ndo_vlan_rx_register	= bnx2_vlan_rx_register,
#endif
A
Alexey Dobriyan 已提交
8273
#ifdef CONFIG_NET_POLL_CONTROLLER
8274 8275 8276 8277
	.ndo_poll_controller	= poll_bnx2,
#endif
};

E
Eric Dumazet 已提交
8278 8279 8280 8281 8282 8283 8284
static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
{
#ifdef BCM_VLAN
	dev->vlan_features |= flags;
#endif
}

8285 8286 8287 8288 8289 8290
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;
8291
	int rc;
8292
	char str[40];
8293 8294 8295 8296 8297

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

	/* dev zeroed in init_etherdev */
B
Benjamin Li 已提交
8298
	dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
8299 8300 8301 8302 8303 8304 8305 8306 8307 8308

	if (!dev)
		return -ENOMEM;

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

8309
	dev->netdev_ops = &bnx2_netdev_ops;
8310 8311 8312
	dev->watchdog_timeo = TX_TIMEOUT;
	dev->ethtool_ops = &bnx2_ethtool_ops;

M
Michael Chan 已提交
8313
	bp = netdev_priv(dev);
8314
	bnx2_init_napi(bp);
8315

8316 8317
	pci_set_drvdata(pdev, dev);

M
Michael Chan 已提交
8318 8319 8320 8321
	rc = bnx2_request_firmware(bp);
	if (rc)
		goto error;

8322 8323 8324
	memcpy(dev->dev_addr, bp->mac_addr, 6);
	memcpy(dev->perm_addr, bp->mac_addr, 6);

8325
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
E
Eric Dumazet 已提交
8326 8327
	vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
8328
		dev->features |= NETIF_F_IPV6_CSUM;
E
Eric Dumazet 已提交
8329 8330
		vlan_features_add(dev, NETIF_F_IPV6_CSUM);
	}
8331 8332 8333 8334
#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
8335 8336
	vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
8337
		dev->features |= NETIF_F_TSO6;
E
Eric Dumazet 已提交
8338 8339
		vlan_features_add(dev, NETIF_F_TSO6);
	}
8340
	if ((rc = register_netdev(dev))) {
8341
		dev_err(&pdev->dev, "Cannot register net device\n");
M
Michael Chan 已提交
8342
		goto error;
8343 8344
	}

8345
	printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
J
Johannes Berg 已提交
8346
		"IRQ %d, node addr %pM\n",
8347
		dev->name,
8348
		board_info[ent->driver_data].name,
8349 8350
		((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		((CHIP_ID(bp) & 0x0ff0) >> 4),
8351
		bnx2_bus_string(bp, str),
8352
		dev->base_addr,
J
Johannes Berg 已提交
8353
		bp->pdev->irq, dev->dev_addr);
8354 8355

	return 0;
M
Michael Chan 已提交
8356 8357 8358 8359 8360 8361 8362 8363 8364 8365 8366 8367 8368 8369

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;
8370 8371 8372 8373 8374 8375
}

static void __devexit
bnx2_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8376
	struct bnx2 *bp = netdev_priv(dev);
8377

8378 8379
	flush_scheduled_work();

8380 8381
	unregister_netdev(dev);

M
Michael Chan 已提交
8382 8383 8384 8385 8386
	if (bp->mips_firmware)
		release_firmware(bp->mips_firmware);
	if (bp->rv2p_firmware)
		release_firmware(bp->rv2p_firmware);

8387 8388 8389
	if (bp->regview)
		iounmap(bp->regview);

8390 8391
	kfree(bp->temp_stats_blk);

8392 8393 8394 8395 8396 8397 8398
	free_netdev(dev);
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

static int
8399
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
8400 8401
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8402
	struct bnx2 *bp = netdev_priv(dev);
8403

8404 8405 8406 8407 8408
	/* 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);
8409 8410 8411
	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
8412
	flush_scheduled_work();
8413 8414 8415
	bnx2_netif_stop(bp);
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
8416
	bnx2_shutdown_chip(bp);
8417
	bnx2_free_skbs(bp);
8418
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
8419 8420 8421 8422 8423 8424 8425
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8426
	struct bnx2 *bp = netdev_priv(dev);
8427

8428
	pci_restore_state(pdev);
8429 8430 8431
	if (!netif_running(dev))
		return 0;

8432
	bnx2_set_power_state(bp, PCI_D0);
8433
	netif_device_attach(dev);
8434
	bnx2_init_nic(bp, 1);
8435 8436 8437 8438
	bnx2_netif_start(bp);
	return 0;
}

W
Wendy Xiong 已提交
8439 8440 8441 8442 8443 8444 8445 8446 8447 8448 8449 8450 8451 8452 8453 8454 8455
/**
 * 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);

8456 8457 8458 8459 8460
	if (state == pci_channel_io_perm_failure) {
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

W
Wendy Xiong 已提交
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 8488 8489 8490 8491 8492 8493
	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
8494
	pci_save_state(pdev);
W
Wendy Xiong 已提交
8495 8496 8497 8498 8499 8500 8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512 8513 8514 8515 8516 8517 8518 8519 8520 8521 8522 8523 8524 8525 8526 8527 8528 8529 8530

	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,
};

8531
static struct pci_driver bnx2_pci_driver = {
8532 8533 8534 8535 8536 8537
	.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
8538
	.err_handler	= &bnx2_err_handler,
8539 8540 8541 8542
};

static int __init bnx2_init(void)
{
8543
	return pci_register_driver(&bnx2_pci_driver);
8544 8545 8546 8547 8548 8549 8550 8551 8552 8553 8554 8555
}

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

module_init(bnx2_init);
module_exit(bnx2_cleanup);