bnx2.c 205.8 KB
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/* bnx2.c: Broadcom NX2 network driver.
 *
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 * Copyright (c) 2004-2010 Broadcom Corporation
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 * Written by: Michael Chan  (mchan@broadcom.com)
 */

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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/module.h>
#include <linux/moduleparam.h>

#include <linux/kernel.h>
#include <linux/timer.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/dma-mapping.h>
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#include <linux/bitops.h>
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#include <asm/io.h>
#include <asm/irq.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
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#include <asm/page.h>
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#include <linux/time.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_vlan.h>
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#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
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#define BCM_VLAN 1
#endif
#include <net/ip.h>
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#include <net/tcp.h>
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#include <net/checksum.h>
#include <linux/workqueue.h>
#include <linux/crc32.h>
#include <linux/prefetch.h>
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#include <linux/cache.h>
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#include <linux/firmware.h>
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#include <linux/log2.h>
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#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
#define BCM_CNIC 1
#include "cnic_if.h"
#endif
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#include "bnx2.h"
#include "bnx2_fw.h"
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#define DRV_MODULE_NAME		"bnx2"
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#define DRV_MODULE_VERSION	"2.0.8"
#define DRV_MODULE_RELDATE	"Feb 15, 2010"
#define FW_MIPS_FILE_06		"bnx2/bnx2-mips-06-5.0.0.j6.fw"
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#define FW_RV2P_FILE_06		"bnx2/bnx2-rv2p-06-5.0.0.j3.fw"
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#define FW_MIPS_FILE_09		"bnx2/bnx2-mips-09-5.0.0.j9.fw"
#define FW_RV2P_FILE_09_Ax	"bnx2/bnx2-rv2p-09ax-5.0.0.j10.fw"
#define FW_RV2P_FILE_09		"bnx2/bnx2-rv2p-09-5.0.0.j10.fw"
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#define RUN_AT(x) (jiffies + (x))

/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT  (5*HZ)

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static char version[] __devinitdata =
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	"Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";

MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
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MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
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MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
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MODULE_FIRMWARE(FW_MIPS_FILE_06);
MODULE_FIRMWARE(FW_RV2P_FILE_06);
MODULE_FIRMWARE(FW_MIPS_FILE_09);
MODULE_FIRMWARE(FW_RV2P_FILE_09);
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MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
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static int disable_msi = 0;

module_param(disable_msi, int, 0);
MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");

typedef enum {
	BCM5706 = 0,
	NC370T,
	NC370I,
	BCM5706S,
	NC370F,
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	BCM5708,
	BCM5708S,
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	BCM5709,
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	BCM5709S,
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	BCM5716,
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	BCM5716S,
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} board_t;

/* indexed by board_t, above */
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static struct {
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	char *name;
} board_info[] __devinitdata = {
	{ "Broadcom NetXtreme II BCM5706 1000Base-T" },
	{ "HP NC370T Multifunction Gigabit Server Adapter" },
	{ "HP NC370i Multifunction Gigabit Server Adapter" },
	{ "Broadcom NetXtreme II BCM5706 1000Base-SX" },
	{ "HP NC370F Multifunction Gigabit Server Adapter" },
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	{ "Broadcom NetXtreme II BCM5708 1000Base-T" },
	{ "Broadcom NetXtreme II BCM5708 1000Base-SX" },
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	{ "Broadcom NetXtreme II BCM5709 1000Base-T" },
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	{ "Broadcom NetXtreme II BCM5709 1000Base-SX" },
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	{ "Broadcom NetXtreme II BCM5716 1000Base-T" },
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	{ "Broadcom NetXtreme II BCM5716 1000Base-SX" },
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	};

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static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
	  PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
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	{ PCI_VENDOR_ID_BROADCOM, 0x163b,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
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	{ PCI_VENDOR_ID_BROADCOM, 0x163c,
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	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
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	{ 0, }
};

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static const struct flash_spec flash_table[] =
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{
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#define BUFFERED_FLAGS		(BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
#define NONBUFFERED_FLAGS	(BNX2_NV_WREN)
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	/* Slow EEPROM */
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	{0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
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	 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
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	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - slow"},
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	/* Expansion entry 0001 */
	{0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 0001"},
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	/* Saifun SA25F010 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
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	{0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
	 "Non-buffered flash (128kB)"},
	/* Saifun SA25F020 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
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	{0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
	 "Non-buffered flash (256kB)"},
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	/* Expansion entry 0100 */
	{0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 0100"},
	/* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
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	{0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
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	 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
	 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
	/* Entry 0110: ST M45PE20 (non-buffered flash)*/
	{0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
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	 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
	 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
	/* Saifun SA25F005 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
	{0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
	 "Non-buffered flash (64kB)"},
	/* Fast EEPROM */
	{0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
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	 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
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	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - fast"},
	/* Expansion entry 1001 */
	{0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1001"},
	/* Expansion entry 1010 */
	{0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1010"},
	/* ATMEL AT45DB011B (buffered flash) */
	{0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
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	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
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	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
	 "Buffered flash (128kB)"},
	/* Expansion entry 1100 */
	{0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1100"},
	/* Expansion entry 1101 */
	{0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1101"},
	/* Ateml Expansion entry 1110 */
	{0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
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	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
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	 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1110 (Atmel)"},
	/* ATMEL AT45DB021B (buffered flash) */
	{0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
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	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
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	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
	 "Buffered flash (256kB)"},
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};

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static const struct flash_spec flash_5709 = {
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	.flags		= BNX2_NV_BUFFERED,
	.page_bits	= BCM5709_FLASH_PAGE_BITS,
	.page_size	= BCM5709_FLASH_PAGE_SIZE,
	.addr_mask	= BCM5709_FLASH_BYTE_ADDR_MASK,
	.total_size	= BUFFERED_FLASH_TOTAL_SIZE*2,
	.name		= "5709 Buffered flash (256kB)",
};

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MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);

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static void bnx2_init_napi(struct bnx2 *bp);

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static 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);
	}
463
	mutex_unlock(&bp->cnic_lock);
464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479
}

#else

static void
bnx2_cnic_stop(struct bnx2 *bp)
{
}

static void
bnx2_cnic_start(struct bnx2 *bp)
{
}

#endif

480 481 482 483 484 485
static int
bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
{
	u32 val1;
	int i, ret;

486
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523
		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;
	}

524
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542
		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;

543
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
544 545 546 547 548 549 550 551 552 553 554 555 556
		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);
557

558 559 560 561 562 563 564 565 566 567 568 569 570 571 572
	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;

573
	if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
574 575 576 577 578 579 580 581 582 583 584 585 586 587 588
		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)
{
589 590 591 592 593 594 595 596
	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);
	}
597 598 599 600 601 602
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
}

static void
bnx2_enable_int(struct bnx2 *bp)
{
603 604
	int i;
	struct bnx2_napi *bnapi;
605

606 607
	for (i = 0; i < bp->irq_nvecs; i++) {
		bnapi = &bp->bnx2_napi[i];
608

609 610 611 612
		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);
613

614 615 616 617
		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
618
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
619 620 621 622 623
}

static void
bnx2_disable_int_sync(struct bnx2 *bp)
{
624 625
	int i;

626
	atomic_inc(&bp->intr_sem);
627 628 629
	if (!netif_running(bp->dev))
		return;

630
	bnx2_disable_int(bp);
631 632
	for (i = 0; i < bp->irq_nvecs; i++)
		synchronize_irq(bp->irq_tbl[i].vector);
633 634
}

635 636 637
static void
bnx2_napi_disable(struct bnx2 *bp)
{
638 639 640 641
	int i;

	for (i = 0; i < bp->irq_nvecs; i++)
		napi_disable(&bp->bnx2_napi[i].napi);
642 643 644 645 646
}

static void
bnx2_napi_enable(struct bnx2 *bp)
{
647 648 649 650
	int i;

	for (i = 0; i < bp->irq_nvecs; i++)
		napi_enable(&bp->bnx2_napi[i].napi);
651 652
}

653 654 655
static void
bnx2_netif_stop(struct bnx2 *bp)
{
656
	bnx2_cnic_stop(bp);
657
	if (netif_running(bp->dev)) {
658 659
		int i;

660
		bnx2_napi_disable(bp);
661
		netif_tx_disable(bp->dev);
662 663 664 665 666 667 668
		/* 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;
		}
669
	}
670
	bnx2_disable_int_sync(bp);
671 672 673 674 675 676 677
}

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
678
			netif_tx_wake_all_queues(bp->dev);
679
			bnx2_napi_enable(bp);
680
			bnx2_enable_int(bp);
681
			bnx2_cnic_start(bp);
682 683 684 685
		}
	}
}

686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705
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;
	}
}

706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722
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;
		}
723
		vfree(rxr->rx_buf_ring);
724 725 726 727 728
		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,
729 730 731
						    rxr->rx_pg_desc_ring[j],
						    rxr->rx_pg_desc_mapping[j]);
			rxr->rx_pg_desc_ring[j] = NULL;
732
		}
733
		vfree(rxr->rx_pg_ring);
734 735 736 737
		rxr->rx_pg_ring = NULL;
	}
}

738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759
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;
}

760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808
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;
}

809 810 811
static void
bnx2_free_mem(struct bnx2 *bp)
{
812
	int i;
813
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
814

815
	bnx2_free_tx_mem(bp);
816
	bnx2_free_rx_mem(bp);
817

M
Michael Chan 已提交
818 819 820 821 822 823 824 825
	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;
		}
	}
826
	if (bnapi->status_blk.msi) {
827
		pci_free_consistent(bp->pdev, bp->status_stats_size,
828 829 830
				    bnapi->status_blk.msi,
				    bp->status_blk_mapping);
		bnapi->status_blk.msi = NULL;
831
		bp->stats_blk = NULL;
832 833 834 835 836 837
	}
}

static int
bnx2_alloc_mem(struct bnx2 *bp)
{
838
	int i, status_blk_size, err;
839 840
	struct bnx2_napi *bnapi;
	void *status_blk;
841

842 843
	/* Combine status and statistics blocks into one allocation. */
	status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
844
	if (bp->flags & BNX2_FLAG_MSIX_CAP)
845 846
		status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
						 BNX2_SBLK_MSIX_ALIGN_SIZE);
847 848 849
	bp->status_stats_size = status_blk_size +
				sizeof(struct statistics_block);

850 851 852
	status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
					  &bp->status_blk_mapping);
	if (status_blk == NULL)
853 854
		goto alloc_mem_err;

855
	memset(status_blk, 0, bp->status_stats_size);
856

857 858 859 860 861 862
	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;
863
	if (bp->flags & BNX2_FLAG_MSIX_CAP) {
864
		for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
865 866 867
			struct status_block_msix *sblk;

			bnapi = &bp->bnx2_napi[i];
868

869 870 871 872 873 874 875
			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;
876 877 878
			bnapi->int_num = i << 24;
		}
	}
879

880
	bp->stats_blk = status_blk + status_blk_size;
881

882
	bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
883

M
Michael Chan 已提交
884 885 886 887 888 889 890 891 892 893 894 895
	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;
		}
	}
896

897 898 899 900
	err = bnx2_alloc_rx_mem(bp);
	if (err)
		goto alloc_mem_err;

901 902 903 904
	err = bnx2_alloc_tx_mem(bp);
	if (err)
		goto alloc_mem_err;

905 906 907 908 909 910 911
	return 0;

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

912 913 914 915 916
static void
bnx2_report_fw_link(struct bnx2 *bp)
{
	u32 fw_link_status = 0;

917
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
918 919
		return;

920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954
	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;

955 956
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
957 958

			if (!(bmsr & BMSR_ANEGCOMPLETE) ||
959
			    bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
960 961 962 963 964 965 966 967
				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;

968
	bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
969 970
}

M
Michael Chan 已提交
971 972 973 974
static char *
bnx2_xceiver_str(struct bnx2 *bp)
{
	return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
975
		((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
M
Michael Chan 已提交
976 977 978
		 "Copper"));
}

979 980 981 982 983
static void
bnx2_report_link(struct bnx2 *bp)
{
	if (bp->link_up) {
		netif_carrier_on(bp->dev);
984 985 986 987
		netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
			    bnx2_xceiver_str(bp),
			    bp->line_speed,
			    bp->duplex == DUPLEX_FULL ? "full" : "half");
988 989 990

		if (bp->flow_ctrl) {
			if (bp->flow_ctrl & FLOW_CTRL_RX) {
991
				pr_cont(", receive ");
992
				if (bp->flow_ctrl & FLOW_CTRL_TX)
993
					pr_cont("& transmit ");
994 995
			}
			else {
996
				pr_cont(", transmit ");
997
			}
998
			pr_cont("flow control ON");
999
		}
1000 1001
		pr_cont("\n");
	} else {
1002
		netif_carrier_off(bp->dev);
1003 1004
		netdev_err(bp->dev, "NIC %s Link is Down\n",
			   bnx2_xceiver_str(bp));
1005
	}
1006 1007

	bnx2_report_fw_link(bp);
1008 1009 1010 1011 1012 1013 1014 1015
}

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

	bp->flow_ctrl = 0;
1016
	if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028
		(AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {

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

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

1029
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
M
Michael Chan 已提交
1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040
	    (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;
	}

1041 1042
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1043

1044
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085
		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;
		}
	}
}

1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124
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;
}

1125
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)
1156 1157 1158 1159 1160 1161
{
	u32 bmcr, local_adv, remote_adv, common;

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

1162
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173
	if (bmcr & BMCR_FULLDPLX) {
		bp->duplex = DUPLEX_FULL;
	}
	else {
		bp->duplex = DUPLEX_HALF;
	}

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

1174 1175
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195

	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;

1196
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212
	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 {
1213 1214
			bnx2_read_phy(bp, bp->mii_adv, &local_adv);
			bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256

			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;
}

1257
static void
1258
bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
1259
{
1260
	u32 val, rx_cid_addr = GET_CID_ADDR(cid);
1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275

	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;

1276
		hi_water = min_t(int, bp->rx_ring_size / 4, lo_water + 16);
1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292

		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);
}

1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305
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);
	}
}

1306
static void
1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320
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);
1323 1324

	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;
		}
1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369
	}
	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);

1370
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
1371
		bnx2_init_all_rx_contexts(bp);
1372 1373
}

1374 1375 1376
static void
bnx2_enable_bmsr1(struct bnx2 *bp)
{
1377
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1378 1379 1380 1381 1382 1383 1384 1385
	    (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)
{
1386
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1387 1388 1389 1390 1391
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
}

1392 1393 1394 1395 1396 1397
static int
bnx2_test_and_enable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 1;

1398
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1399 1400 1401 1402 1403
		return 0;

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

1404 1405 1406
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1407 1408 1409 1410 1411 1412 1413
	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;
	}

1414 1415 1416 1417
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1418 1419 1420 1421 1422 1423 1424 1425 1426
	return ret;
}

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

1427
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1428 1429
		return 0;

1430 1431 1432
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1433 1434 1435 1436 1437 1438 1439
	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;
	}

1440 1441 1442 1443
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1444 1445 1446 1447 1448 1449 1450 1451
	return ret;
}

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

1452
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1453 1454
		return;

1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469
	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) {
1470 1471
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr |= BCM5708S_BMCR_FORCE_2500;
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	} else {
		return;
1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488
	}

	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;

1489
	if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1490 1491
		return;

1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505
	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) {
1506 1507
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr &= ~BCM5708S_BMCR_FORCE_2500;
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	} else {
		return;
1510 1511 1512 1513 1514 1515 1516
	}

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

1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529
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);
}

1530 1531 1532 1533 1534 1535
static int
bnx2_set_link(struct bnx2 *bp)
{
	u32 bmsr;
	u8 link_up;

M
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1536
	if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1537 1538 1539 1540
		bp->link_up = 1;
		return 0;
	}

1541
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1542 1543
		return 0;

1544 1545
	link_up = bp->link_up;

1546 1547 1548 1549
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
1550

1551
	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1552
	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1553
		u32 val, an_dbg;
1554

1555
		if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1556
			bnx2_5706s_force_link_dn(bp, 0);
1557
			bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1558
		}
1559
		val = REG_RD(bp, BNX2_EMAC_STATUS);
1560 1561 1562 1563 1564 1565 1566

		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))
1567 1568 1569 1570 1571 1572 1573 1574
			bmsr |= BMSR_LSTATUS;
		else
			bmsr &= ~BMSR_LSTATUS;
	}

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

1575
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
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1576 1577 1578 1579
			if (CHIP_NUM(bp) == CHIP_NUM_5706)
				bnx2_5706s_linkup(bp);
			else if (CHIP_NUM(bp) == CHIP_NUM_5708)
				bnx2_5708s_linkup(bp);
1580 1581
			else if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bnx2_5709s_linkup(bp);
1582 1583 1584 1585 1586 1587 1588
		}
		else {
			bnx2_copper_linkup(bp);
		}
		bnx2_resolve_flow_ctrl(bp);
	}
	else {
1589
		if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1590 1591
		    (bp->autoneg & AUTONEG_SPEED))
			bnx2_disable_forced_2g5(bp);
1592

1593
		if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1594 1595 1596 1597 1598 1599
			u32 bmcr;

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

1600
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1601
		}
1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619
		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;

1620
        bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1621 1622 1623 1624 1625

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

1626
		bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645
		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)) {

1646
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1647 1648 1649 1650 1651 1652 1653
			adv = ADVERTISE_1000XPAUSE;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1654
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1655 1656 1657 1658 1659 1660 1661
			adv = ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_ASYM;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1662
		if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1663 1664 1665 1666 1667 1668 1669 1670 1671
			adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
		}
	}
	return adv;
}

1672
static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
1673

1674
static int
1675
bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1676 1677
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716
{
	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;
1717
	if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1718 1719 1720 1721 1722 1723
		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;

1724
	bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1725 1726

	spin_unlock_bh(&bp->phy_lock);
1727
	bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
1728 1729 1730 1731 1732 1733 1734
	spin_lock_bh(&bp->phy_lock);

	return 0;
}

static int
bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1735 1736
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
1737
{
1738
	u32 adv, bmcr;
1739 1740
	u32 new_adv = 0;

1741
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1742 1743
		return (bnx2_setup_remote_phy(bp, port));

1744 1745
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		u32 new_bmcr;
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Michael Chan 已提交
1746 1747
		int force_link_down = 0;

1748 1749 1750 1751 1752 1753 1754
		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;
		}
1755
		bnx2_read_phy(bp, bp->mii_adv, &adv);
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Michael Chan 已提交
1756 1757
		adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);

1758
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1759
		new_bmcr = bmcr & ~BMCR_ANENABLE;
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Michael Chan 已提交
1760
		new_bmcr |= BMCR_SPEED1000;
1761

1762 1763 1764 1765 1766 1767 1768 1769 1770
		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) {
1771 1772 1773 1774
			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
1775 1776
		}

1777
		if (bp->req_duplex == DUPLEX_FULL) {
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Michael Chan 已提交
1778
			adv |= ADVERTISE_1000XFULL;
1779 1780 1781
			new_bmcr |= BMCR_FULLDPLX;
		}
		else {
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Michael Chan 已提交
1782
			adv |= ADVERTISE_1000XHALF;
1783 1784
			new_bmcr &= ~BMCR_FULLDPLX;
		}
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Michael Chan 已提交
1785
		if ((new_bmcr != bmcr) || (force_link_down)) {
1786 1787
			/* Force a link down visible on the other side */
			if (bp->link_up) {
1788
				bnx2_write_phy(bp, bp->mii_adv, adv &
M
Michael Chan 已提交
1789 1790
					       ~(ADVERTISE_1000XFULL |
						 ADVERTISE_1000XHALF));
1791
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1792 1793 1794 1795
					BMCR_ANRESTART | BMCR_ANENABLE);

				bp->link_up = 0;
				netif_carrier_off(bp->dev);
1796
				bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
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Michael Chan 已提交
1797
				bnx2_report_link(bp);
1798
			}
1799 1800
			bnx2_write_phy(bp, bp->mii_adv, adv);
			bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1801 1802 1803
		} else {
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
1804 1805 1806 1807
		}
		return 0;
	}

1808
	bnx2_test_and_enable_2g5(bp);
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Michael Chan 已提交
1809

1810 1811 1812 1813 1814
	if (bp->advertising & ADVERTISED_1000baseT_Full)
		new_adv |= ADVERTISE_1000XFULL;

	new_adv |= bnx2_phy_get_pause_adv(bp);

1815 1816
	bnx2_read_phy(bp, bp->mii_adv, &adv);
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1817 1818 1819 1820 1821

	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) {
1822
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
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Michael Chan 已提交
1823 1824 1825
			spin_unlock_bh(&bp->phy_lock);
			msleep(20);
			spin_lock_bh(&bp->phy_lock);
1826 1827
		}

1828 1829
		bnx2_write_phy(bp, bp->mii_adv, new_adv);
		bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1830
			BMCR_ANENABLE);
1831 1832 1833 1834 1835 1836 1837 1838
		/* 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.
		 */
M
Michael Chan 已提交
1839
		bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
1840 1841
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
1842 1843 1844
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1845 1846 1847 1848 1849 1850
	}

	return 0;
}

#define ETHTOOL_ALL_FIBRE_SPEED						\
1851
	(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ?			\
1852 1853
		(ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
		(ADVERTISED_1000baseT_Full)
1854 1855 1856 1857 1858 1859 1860 1861

#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)
1862

1863 1864
#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)

1865 1866 1867 1868 1869 1870
static void
bnx2_set_default_remote_link(struct bnx2 *bp)
{
	u32 link;

	if (bp->phy_port == PORT_TP)
1871
		link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1872
	else
1873
		link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911

	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;
	}
}

1912 1913 1914
static void
bnx2_set_default_link(struct bnx2 *bp)
{
1915 1916 1917 1918
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
		bnx2_set_default_remote_link(bp);
		return;
	}
1919

1920 1921
	bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
	bp->req_line_speed = 0;
1922
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1923 1924 1925 1926
		u32 reg;

		bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;

1927
		reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1928 1929 1930 1931 1932 1933 1934 1935 1936 1937
		reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
		if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
			bp->autoneg = 0;
			bp->req_line_speed = bp->line_speed = SPEED_1000;
			bp->req_duplex = DUPLEX_FULL;
		}
	} else
		bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
}

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Michael Chan 已提交
1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951
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);
}

1952 1953 1954 1955 1956 1957 1958
static void
bnx2_remote_phy_event(struct bnx2 *bp)
{
	u32 msg;
	u8 link_up = bp->link_up;
	u8 old_port;

1959
	msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1960

M
Michael Chan 已提交
1961 1962 1963 1964 1965
	if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
		bnx2_send_heart_beat(bp);

	msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;

1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033
	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;

2034
	evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
2035 2036 2037 2038 2039 2040
	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
2041
			bnx2_send_heart_beat(bp);
2042 2043 2044 2045 2046
			break;
	}
	return 0;
}

2047 2048
static int
bnx2_setup_copper_phy(struct bnx2 *bp)
2049 2050
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2051 2052 2053 2054
{
	u32 bmcr;
	u32 new_bmcr;

2055
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
2056 2057 2058 2059 2060 2061

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

2062
		bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078
		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;
2079

2080 2081 2082 2083 2084 2085 2086 2087
		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)) {

2088
			bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
2089
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
2090
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112
				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;

2113 2114
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2115

2116 2117
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
2118
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
2119 2120 2121 2122
			spin_unlock_bh(&bp->phy_lock);
			msleep(50);
			spin_lock_bh(&bp->phy_lock);

2123 2124
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2125 2126
		}

2127
		bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138

		/* 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);
		}
2139 2140 2141
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
2142 2143 2144 2145 2146
	}
	return 0;
}

static int
2147
bnx2_setup_phy(struct bnx2 *bp, u8 port)
2148 2149
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2150 2151 2152 2153
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

2154
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2155
		return (bnx2_setup_serdes_phy(bp, port));
2156 2157 2158 2159 2160 2161
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

2162
static int
2163
bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177
{
	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);
2178 2179
	if (reset_phy)
		bnx2_reset_phy(bp);
2180 2181 2182 2183 2184 2185 2186 2187 2188 2189

	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);
2190
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211
		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;
}

2212
static int
2213
bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
M
Michael Chan 已提交
2214 2215 2216
{
	u32 val;

2217 2218
	if (reset_phy)
		bnx2_reset_phy(bp);
2219 2220 2221

	bp->mii_up1 = BCM5708S_UP1;

M
Michael Chan 已提交
2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233
	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);

2234
	if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
M
Michael Chan 已提交
2235 2236 2237 2238 2239 2240
		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
2241 2242
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
2243 2244 2245 2246 2247 2248 2249 2250 2251
		/* 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);
	}

2252
	val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
M
Michael Chan 已提交
2253 2254 2255 2256 2257
	      BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;

	if (val) {
		u32 is_backplane;

2258
		is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270
		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
2271
bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
2272
{
2273 2274
	if (reset_phy)
		bnx2_reset_phy(bp);
2275

2276
	bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
2277

M
Michael Chan 已提交
2278 2279
	if (CHIP_NUM(bp) == CHIP_NUM_5706)
        	REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308

	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
2309
bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2310
{
M
Michael Chan 已提交
2311 2312
	u32 val;

2313 2314
	if (reset_phy)
		bnx2_reset_phy(bp);
2315

2316
	if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2317 2318 2319 2320 2321 2322 2323 2324 2325 2326
		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);
	}

2327
	if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2328 2329 2330 2331 2332 2333 2334
		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);
	}

2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352
	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
2353 2354 2355 2356
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2357 2358 2359 2360 2361
	return 0;
}


static int
2362
bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2363 2364
__releases(&bp->phy_lock)
__acquires(&bp->phy_lock)
2365 2366 2367 2368
{
	u32 val;
	int rc = 0;

2369 2370
	bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
	bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2371

2372 2373
	bp->mii_bmcr = MII_BMCR;
	bp->mii_bmsr = MII_BMSR;
2374
	bp->mii_bmsr1 = MII_BMSR;
2375 2376 2377
	bp->mii_adv = MII_ADVERTISE;
	bp->mii_lpa = MII_LPA;

2378 2379
        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

2380
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2381 2382
		goto setup_phy;

2383 2384 2385 2386 2387
	bnx2_read_phy(bp, MII_PHYSID1, &val);
	bp->phy_id = val << 16;
	bnx2_read_phy(bp, MII_PHYSID2, &val);
	bp->phy_id |= val & 0xffff;

2388
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
M
Michael Chan 已提交
2389
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
2390
			rc = bnx2_init_5706s_phy(bp, reset_phy);
M
Michael Chan 已提交
2391
		else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2392
			rc = bnx2_init_5708s_phy(bp, reset_phy);
2393
		else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2394
			rc = bnx2_init_5709s_phy(bp, reset_phy);
2395 2396
	}
	else {
2397
		rc = bnx2_init_copper_phy(bp, reset_phy);
2398 2399
	}

2400 2401 2402
setup_phy:
	if (!rc)
		rc = bnx2_setup_phy(bp, bp->phy_port);
2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419

	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
2420 2421 2422 2423 2424 2425 2426 2427 2428
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);
2429
	rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
M
Michael Chan 已提交
2430 2431 2432 2433 2434 2435 2436 2437
			    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
2438
		msleep(100);
M
Michael Chan 已提交
2439 2440 2441 2442 2443
	}

	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
2444
		      BNX2_EMAC_MODE_25G_MODE);
M
Michael Chan 已提交
2445 2446 2447 2448 2449 2450 2451

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

2452
static int
2453
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
2454 2455 2456 2457 2458 2459 2460
{
	int i;
	u32 val;

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

2461
	bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2462

2463 2464 2465
	if (!ack)
		return 0;

2466
	/* wait for an acknowledgement. */
M
Michael Chan 已提交
2467
	for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
2468
		msleep(10);
2469

2470
		val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2471 2472 2473 2474

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
2475 2476
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
2477 2478

	/* If we timed out, inform the firmware that this is the case. */
2479 2480
	if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
		if (!silent)
2481
			pr_err("fw sync timeout, reset code = %x\n", msg_data);
2482 2483 2484 2485

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

2486
		bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2487 2488 2489 2490

		return -EBUSY;
	}

2491 2492 2493
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

2494 2495 2496
	return 0;
}

M
Michael Chan 已提交
2497 2498 2499 2500 2501 2502 2503 2504 2505
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);
2506 2507 2508 2509 2510 2511 2512 2513 2514
	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
2515 2516 2517
	for (i = 0; i < bp->ctx_pages; i++) {
		int j;

2518 2519 2520 2521 2522
		if (bp->ctx_blk[i])
			memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
		else
			return -ENOMEM;

M
Michael Chan 已提交
2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544
		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;
}

2545 2546 2547 2548 2549 2550 2551 2552
static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;
2553
		int i;
2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573

		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;
		}

2574 2575 2576
		for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
			vcid_addr += (i << PHY_CTX_SHIFT);
			pcid_addr += (i << PHY_CTX_SHIFT);
2577

2578
			REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2579
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2580

2581 2582
			/* Zero out the context. */
			for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
M
Michael Chan 已提交
2583
				bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2584
		}
2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596
	}
}

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) {
2597
		pr_err("Failed to allocate memory in %s\n", __func__);
2598 2599 2600 2601 2602 2603 2604 2605 2606
		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. */
2607
	val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2608
	while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2609 2610
		bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
				BNX2_RBUF_COMMAND_ALLOC_REQ);
2611

2612
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2613 2614 2615 2616 2617 2618 2619 2620 2621

		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++;
		}

2622
		val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2623 2624 2625 2626 2627 2628 2629 2630 2631 2632
	}

	/* 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;

2633
		bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2634 2635 2636 2637 2638 2639
	}
	kfree(good_mbuf);
	return 0;
}

static void
2640
bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
2641 2642 2643 2644 2645
{
	u32 val;

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

2646
	REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
2647

2648
	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2649 2650
		(mac_addr[4] << 8) | mac_addr[5];

2651
	REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
2652 2653
}

2654
static inline int
2655
bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2656 2657
{
	dma_addr_t mapping;
2658
	struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2659
	struct rx_bd *rxbd =
2660
		&rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2661 2662 2663 2664 2665 2666
	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
2667 2668 2669 2670 2671
	if (pci_dma_mapping_error(bp->pdev, mapping)) {
		__free_page(page);
		return -EIO;
	}

2672 2673 2674 2675 2676 2677 2678 2679
	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
2680
bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2681
{
2682
	struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694
	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;
}

2695
static inline int
2696
bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2697 2698
{
	struct sk_buff *skb;
2699
	struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
2700
	dma_addr_t mapping;
2701
	struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2702 2703
	unsigned long align;

2704
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2705 2706 2707 2708
	if (skb == NULL) {
		return -ENOMEM;
	}

M
Michael Chan 已提交
2709 2710
	if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
		skb_reserve(skb, BNX2_RX_ALIGN - align);
2711 2712 2713

	mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
		PCI_DMA_FROMDEVICE);
B
Benjamin Li 已提交
2714 2715 2716 2717
	if (pci_dma_mapping_error(bp->pdev, mapping)) {
		dev_kfree_skb(skb);
		return -EIO;
	}
2718 2719 2720 2721 2722 2723 2724

	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;

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

	return 0;
}

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

2737 2738
	new_link_state = sblk->status_attn_bits & event;
	old_link_state = sblk->status_attn_bits_ack & event;
2739
	if (new_link_state != old_link_state) {
2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750
		if (new_link_state)
			REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
		else
			REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
	} else
		is_set = 0;

	return is_set;
}

static void
2751
bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2752
{
M
Michael Chan 已提交
2753 2754 2755
	spin_lock(&bp->phy_lock);

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

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

2762 2763
}

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

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

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

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

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

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

		sw_ring_cons = TX_RING_IDX(sw_cons);

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

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

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

E
Eric Dumazet 已提交
2809 2810
			last_idx = sw_cons + tx_buf->nr_frags + 1;
			last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
2811 2812 2813 2814 2815 2816 2817
			if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
				last_idx++;
			}
			if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
				break;
			}
		}
A
Arjan van de Ven 已提交
2818

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

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

		for (i = 0; i < last; i++) {
			sw_cons = NEXT_TX_BD(sw_cons);
2827 2828 2829 2830 2831 2832 2833

			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);
2834 2835 2836 2837
		}

		sw_cons = NEXT_TX_BD(sw_cons);

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

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

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

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

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

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

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

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

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

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

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

	hw_prod = rxr->rx_pg_prod;

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

2903 2904 2905 2906
		prod_rx_pg = &rxr->rx_pg_ring[prod];
		cons_rx_pg = &rxr->rx_pg_ring[cons];
		cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
		prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920

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

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

2932 2933
	cons_rx_buf = &rxr->rx_buf_ring[cons];
	prod_rx_buf = &rxr->rx_buf_ring[prod];
2934 2935 2936

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

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

2941
	prod_rx_buf->skb = skb;
2942

2943 2944
	if (cons == prod)
		return;
2945

2946 2947 2948
	pci_unmap_addr_set(prod_rx_buf, mapping,
			pci_unmap_addr(cons_rx_buf, mapping));

2949 2950
	cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2951 2952
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2953 2954
}

2955
static int
2956
bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
2957 2958
	    unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
	    u32 ring_idx)
2959 2960 2961 2962
{
	int err;
	u16 prod = ring_idx & 0xffff;

2963
	err = bnx2_alloc_rx_skb(bp, rxr, prod);
2964
	if (unlikely(err)) {
2965
		bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
2966 2967 2968 2969
		if (hdr_len) {
			unsigned int raw_len = len + 4;
			int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;

2970
			bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
2971
		}
2972 2973 2974
		return err;
	}

2975
	skb_reserve(skb, BNX2_RX_OFFSET);
2976 2977 2978
	pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
			 PCI_DMA_FROMDEVICE);

2979 2980 2981 2982 2983 2984
	if (hdr_len == 0) {
		skb_put(skb, len);
		return 0;
	} else {
		unsigned int i, frag_len, frag_size, pages;
		struct sw_pg *rx_pg;
2985 2986
		u16 pg_cons = rxr->rx_pg_cons;
		u16 pg_prod = rxr->rx_pg_prod;
2987 2988 2989 2990 2991 2992

		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
2993 2994
			dma_addr_t mapping_old;

2995 2996 2997 2998
			frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
			if (unlikely(frag_len <= 4)) {
				unsigned int tail = 4 - frag_len;

2999 3000 3001
				rxr->rx_pg_cons = pg_cons;
				rxr->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
3002
							pages - i);
3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014
				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;
			}
3015
			rx_pg = &rxr->rx_pg_ring[pg_cons];
3016

B
Benjamin Li 已提交
3017 3018 3019 3020
			/* Don't unmap yet.  If we're unable to allocate a new
			 * page, we need to recycle the page and the DMA addr.
			 */
			mapping_old = pci_unmap_addr(rx_pg, mapping);
3021 3022 3023 3024 3025 3026
			if (i == pages - 1)
				frag_len -= 4;

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

3027 3028
			err = bnx2_alloc_rx_page(bp, rxr,
						 RX_PG_RING_IDX(pg_prod));
3029
			if (unlikely(err)) {
3030 3031 3032
				rxr->rx_pg_cons = pg_cons;
				rxr->rx_pg_prod = pg_prod;
				bnx2_reuse_rx_skb_pages(bp, rxr, skb,
3033
							pages - i);
3034 3035 3036
				return err;
			}

B
Benjamin Li 已提交
3037 3038 3039
			pci_unmap_page(bp->pdev, mapping_old,
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);

3040 3041 3042 3043 3044 3045 3046 3047
			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));
		}
3048 3049
		rxr->rx_pg_prod = pg_prod;
		rxr->rx_pg_cons = pg_cons;
3050
	}
3051 3052 3053
	return 0;
}

M
Michael Chan 已提交
3054
static inline u16
3055
bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
3056
{
3057 3058
	u16 cons;

3059 3060 3061
	/* Tell compiler that status block fields can change. */
	barrier();
	cons = *bnapi->hw_rx_cons_ptr;
3062
	barrier();
M
Michael Chan 已提交
3063 3064 3065 3066 3067
	if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
		cons++;
	return cons;
}

3068
static int
3069
bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
3070
{
3071
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3072 3073
	u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
	struct l2_fhdr *rx_hdr;
3074
	int rx_pkt = 0, pg_ring_used = 0;
3075

3076
	hw_cons = bnx2_get_hw_rx_cons(bnapi);
3077 3078
	sw_cons = rxr->rx_cons;
	sw_prod = rxr->rx_prod;
3079 3080 3081 3082 3083 3084

	/* 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) {
3085
		unsigned int len, hdr_len;
3086
		u32 status;
3087 3088
		struct sw_bd *rx_buf;
		struct sk_buff *skb;
3089
		dma_addr_t dma_addr;
3090 3091
		u16 vtag = 0;
		int hw_vlan __maybe_unused = 0;
3092 3093 3094 3095

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

3096
		rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
3097
		skb = rx_buf->skb;
3098 3099 3100 3101 3102 3103

		rx_buf->skb = NULL;

		dma_addr = pci_unmap_addr(rx_buf, mapping);

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
3104 3105
			BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
			PCI_DMA_FROMDEVICE);
3106 3107

		rx_hdr = (struct l2_fhdr *) skb->data;
3108
		len = rx_hdr->l2_fhdr_pkt_len;
3109
		status = rx_hdr->l2_fhdr_status;
3110

3111 3112 3113 3114 3115 3116 3117 3118 3119
		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;
		}

3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137
		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;
		}

3138
		len -= 4;
3139

3140
		if (len <= bp->rx_copy_thresh) {
3141 3142
			struct sk_buff *new_skb;

3143
			new_skb = netdev_alloc_skb(bp->dev, len + 6);
3144
			if (new_skb == NULL) {
3145
				bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3146 3147 3148
						  sw_ring_prod);
				goto next_rx;
			}
3149 3150

			/* aligned copy */
3151
			skb_copy_from_linear_data_offset(skb,
3152 3153 3154
							 BNX2_RX_OFFSET - 6,
				      new_skb->data, len + 6);
			skb_reserve(new_skb, 6);
3155 3156
			skb_put(new_skb, len);

3157
			bnx2_reuse_rx_skb(bp, rxr, skb,
3158 3159 3160
				sw_ring_cons, sw_ring_prod);

			skb = new_skb;
3161
		} else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
3162
			   dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
3163 3164
			goto next_rx;

3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183
		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;
			}
		}

3184 3185 3186
		skb->protocol = eth_type_trans(skb, bp->dev);

		if ((len > (bp->dev->mtu + ETH_HLEN)) &&
A
Alexey Dobriyan 已提交
3187
			(ntohs(skb->protocol) != 0x8100)) {
3188

3189
			dev_kfree_skb(skb);
3190 3191 3192 3193 3194 3195 3196 3197 3198
			goto next_rx;

		}

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

3199 3200
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
3201 3202 3203
				skb->ip_summed = CHECKSUM_UNNECESSARY;
		}

3204 3205
		skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);

3206
#ifdef BCM_VLAN
3207 3208
		if (hw_vlan)
			vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220
		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
3221 3222 3223

		/* Refresh hw_cons to see if there is new work */
		if (sw_cons == hw_cons) {
3224
			hw_cons = bnx2_get_hw_rx_cons(bnapi);
M
Michael Chan 已提交
3225 3226
			rmb();
		}
3227
	}
3228 3229
	rxr->rx_cons = sw_cons;
	rxr->rx_prod = sw_prod;
3230

3231
	if (pg_ring_used)
3232
		REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
3233

3234
	REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
3235

3236
	REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247

	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
3248
bnx2_msi(int irq, void *dev_instance)
3249
{
3250 3251
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3252

3253
	prefetch(bnapi->status_blk.msi);
3254 3255 3256 3257 3258
	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. */
3259 3260
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
3261

3262
	napi_schedule(&bnapi->napi);
3263

3264
	return IRQ_HANDLED;
3265 3266
}

3267 3268 3269
static irqreturn_t
bnx2_msi_1shot(int irq, void *dev_instance)
{
3270 3271
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3272

3273
	prefetch(bnapi->status_blk.msi);
3274 3275 3276 3277 3278

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

3279
	napi_schedule(&bnapi->napi);
3280 3281 3282 3283

	return IRQ_HANDLED;
}

3284
static irqreturn_t
3285
bnx2_interrupt(int irq, void *dev_instance)
3286
{
3287 3288
	struct bnx2_napi *bnapi = dev_instance;
	struct bnx2 *bp = bnapi->bp;
3289
	struct status_block *sblk = bnapi->status_blk.msi;
3290 3291 3292 3293 3294 3295 3296

	/* 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.
	 */
3297
	if ((sblk->status_idx == bnapi->last_status_idx) &&
3298 3299
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
3300
		return IRQ_NONE;
3301 3302 3303 3304 3305

	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

3306 3307 3308 3309 3310
	/* Read back to deassert IRQ immediately to avoid too many
	 * spurious interrupts.
	 */
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);

3311
	/* Return here if interrupt is shared and is disabled. */
3312 3313
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
3314

3315
	if (napi_schedule_prep(&bnapi->napi)) {
3316
		bnapi->last_status_idx = sblk->status_idx;
3317
		__napi_schedule(&bnapi->napi);
3318
	}
3319

3320
	return IRQ_HANDLED;
3321 3322
}

M
Michael Chan 已提交
3323
static inline int
3324
bnx2_has_fast_work(struct bnx2_napi *bnapi)
M
Michael Chan 已提交
3325
{
3326
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3327
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
M
Michael Chan 已提交
3328

3329
	if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3330
	    (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
M
Michael Chan 已提交
3331
		return 1;
3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344
	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
3345

3346 3347 3348 3349 3350
#ifdef BCM_CNIC
	if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
		return 1;
#endif

3351 3352
	if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
M
Michael Chan 已提交
3353 3354 3355 3356 3357
		return 1;

	return 0;
}

3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379
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;
}

3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396
#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

3397
static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
3398
{
3399
	struct status_block *sblk = bnapi->status_blk.msi;
3400 3401
	u32 status_attn_bits = sblk->status_attn_bits;
	u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3402

3403 3404
	if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3405

3406
		bnx2_phy_int(bp, bnapi);
M
Michael Chan 已提交
3407 3408 3409 3410 3411 3412 3413

		/* 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);
3414
	}
3415 3416 3417 3418 3419 3420 3421
}

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;
3422

3423
	if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
M
Michael Chan 已提交
3424
		bnx2_tx_int(bp, bnapi, 0);
3425

3426
	if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
3427
		work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3428

3429 3430 3431
	return work_done;
}

3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448
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))) {

3449
			napi_complete(napi);
3450 3451 3452 3453 3454 3455 3456 3457 3458
			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;
}

3459 3460
static int bnx2_poll(struct napi_struct *napi, int budget)
{
3461 3462
	struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
	struct bnx2 *bp = bnapi->bp;
3463
	int work_done = 0;
3464
	struct status_block *sblk = bnapi->status_blk.msi;
3465 3466

	while (1) {
3467 3468
		bnx2_poll_link(bp, bnapi);

3469
		work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
M
Michael Chan 已提交
3470

3471 3472 3473 3474
#ifdef BCM_CNIC
		bnx2_poll_cnic(bp, bnapi);
#endif

3475
		/* bnapi->last_status_idx is used below to tell the hw how
M
Michael Chan 已提交
3476 3477 3478
		 * much work has been processed, so we must read it before
		 * checking for more work.
		 */
3479
		bnapi->last_status_idx = sblk->status_idx;
3480 3481 3482 3483

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

M
Michael Chan 已提交
3484
		rmb();
3485
		if (likely(!bnx2_has_work(bnapi))) {
3486
			napi_complete(napi);
3487
			if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3488 3489
				REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
				       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3490
				       bnapi->last_status_idx);
M
Michael Chan 已提交
3491
				break;
3492
			}
3493 3494
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3495
			       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3496
			       bnapi->last_status_idx);
3497

3498 3499
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3500
			       bnapi->last_status_idx);
3501 3502
			break;
		}
3503 3504
	}

3505
	return work_done;
3506 3507
}

H
Herbert Xu 已提交
3508
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
3509 3510 3511 3512 3513
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
3514
	struct bnx2 *bp = netdev_priv(dev);
3515
	u32 rx_mode, sort_mode;
J
Jiri Pirko 已提交
3516
	struct netdev_hw_addr *ha;
3517 3518
	int i;

3519 3520 3521
	if (!netif_running(dev))
		return;

3522
	spin_lock_bh(&bp->phy_lock);
3523 3524 3525 3526 3527

	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
3528
	if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
3529 3530
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
3531
	if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
M
Michael Chan 已提交
3532
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3533 3534 3535 3536
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
M
Michael Chan 已提交
3537 3538
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556
	}
	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);

3557
		netdev_for_each_mc_addr(mclist, dev) {
3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572
			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;
	}

3573
	if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
3574 3575 3576 3577 3578
		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
3579
		i = 0;
3580
		netdev_for_each_uc_addr(ha, dev) {
J
Jiri Pirko 已提交
3581
			bnx2_set_mac_addr(bp, ha->addr,
3582 3583 3584
					  i + BNX2_START_UNICAST_ADDRESS_INDEX);
			sort_mode |= (1 <<
				      (i + BNX2_START_UNICAST_ADDRESS_INDEX));
J
Jiri Pirko 已提交
3585
			i++;
3586 3587 3588 3589
		}

	}

3590 3591 3592 3593 3594 3595 3596 3597 3598
	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);

3599
	spin_unlock_bh(&bp->phy_lock);
3600 3601
}

M
Michael Chan 已提交
3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630
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)
3631
{
M
Michael Chan 已提交
3632
	const char *mips_fw_file, *rv2p_fw_file;
B
Bastian Blank 已提交
3633 3634
	const struct bnx2_mips_fw_file *mips_fw;
	const struct bnx2_rv2p_fw_file *rv2p_fw;
M
Michael Chan 已提交
3635 3636 3637 3638
	int rc;

	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		mips_fw_file = FW_MIPS_FILE_09;
3639 3640 3641 3642 3643
		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
3644 3645 3646 3647 3648 3649 3650
	} 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) {
3651
		pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
M
Michael Chan 已提交
3652 3653 3654 3655 3656
		return rc;
	}

	rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
	if (rc) {
3657
		pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
M
Michael Chan 已提交
3658 3659
		return rc;
	}
B
Bastian Blank 已提交
3660 3661 3662 3663 3664 3665 3666 3667
	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)) {
3668
		pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
M
Michael Chan 已提交
3669 3670
		return -EINVAL;
	}
B
Bastian Blank 已提交
3671 3672 3673
	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)) {
3674
		pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
M
Michael Chan 已提交
3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698
		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;
3699
	int i;
M
Michael Chan 已提交
3700 3701 3702 3703 3704 3705
	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);
3706

M
Michael Chan 已提交
3707 3708 3709 3710 3711 3712
	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;
3713
	}
3714 3715

	for (i = 0; i < rv2p_code_len; i += 8) {
M
Michael Chan 已提交
3716
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
3717
		rv2p_code++;
M
Michael Chan 已提交
3718
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
3719 3720
		rv2p_code++;

M
Michael Chan 已提交
3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738
		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);
3739 3740 3741 3742 3743 3744 3745 3746 3747 3748
		}
	}

	/* 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
3749 3750

	return 0;
3751 3752
}

3753
static int
M
Michael Chan 已提交
3754 3755
load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
	    const struct bnx2_mips_fw_file_entry *fw_entry)
3756
{
M
Michael Chan 已提交
3757 3758
	u32 addr, len, file_offset;
	__be32 *data;
3759 3760 3761 3762
	u32 offset;
	u32 val;

	/* Halt the CPU. */
3763
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3764
	val |= cpu_reg->mode_value_halt;
3765 3766
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3767 3768

	/* Load the Text area. */
M
Michael Chan 已提交
3769 3770 3771 3772
	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
3773

M
Michael Chan 已提交
3774 3775
	offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
	if (len) {
3776 3777
		int j;

M
Michael Chan 已提交
3778 3779
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3780 3781
	}

M
Michael Chan 已提交
3782 3783 3784 3785 3786
	/* 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);
3787

M
Michael Chan 已提交
3788 3789
	offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
	if (len) {
3790 3791
		int j;

M
Michael Chan 已提交
3792 3793
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3794 3795 3796
	}

	/* Load the Read-Only area. */
M
Michael Chan 已提交
3797 3798 3799 3800 3801 3802 3803
	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) {
3804 3805
		int j;

M
Michael Chan 已提交
3806 3807
		for (j = 0; j < (len / 4); j++, offset += 4)
			bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3808 3809 3810
	}

	/* Clear the pre-fetch instruction. */
3811
	bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
M
Michael Chan 已提交
3812 3813 3814

	val = be32_to_cpu(fw_entry->start_addr);
	bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
3815 3816

	/* Start the CPU. */
3817
	val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3818
	val &= ~cpu_reg->mode_value_halt;
3819 3820
	bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
	bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3821 3822

	return 0;
3823 3824
}

3825
static int
3826 3827
bnx2_init_cpus(struct bnx2 *bp)
{
M
Michael Chan 已提交
3828 3829 3830 3831 3832
	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;
3833 3834

	/* Initialize the RV2P processor. */
M
Michael Chan 已提交
3835 3836
	load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
	load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
3837 3838

	/* Initialize the RX Processor. */
M
Michael Chan 已提交
3839
	rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
3840 3841 3842
	if (rc)
		goto init_cpu_err;

3843
	/* Initialize the TX Processor. */
M
Michael Chan 已提交
3844
	rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
3845 3846 3847
	if (rc)
		goto init_cpu_err;

3848
	/* Initialize the TX Patch-up Processor. */
M
Michael Chan 已提交
3849
	rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
3850 3851 3852
	if (rc)
		goto init_cpu_err;

3853
	/* Initialize the Completion Processor. */
M
Michael Chan 已提交
3854
	rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
3855 3856 3857
	if (rc)
		goto init_cpu_err;

M
Michael Chan 已提交
3858
	/* Initialize the Command Processor. */
M
Michael Chan 已提交
3859
	rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
3860

3861 3862
init_cpu_err:
	return rc;
3863 3864 3865
}

static int
3866
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3867 3868 3869 3870 3871 3872
{
	u16 pmcsr;

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

	switch (state) {
3873
	case PCI_D0: {
3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893
		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;
	}
3894
	case PCI_D3hot: {
3895 3896 3897 3898 3899 3900 3901 3902 3903 3904
		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
3905 3906 3907 3908 3909 3910 3911 3912
			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;
			}
3913

M
Michael Chan 已提交
3914 3915 3916
			spin_lock_bh(&bp->phy_lock);
			bnx2_setup_phy(bp, bp->phy_port);
			spin_unlock_bh(&bp->phy_lock);
3917 3918 3919 3920

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

3921
			bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3922 3923 3924 3925 3926

			val = REG_RD(bp, BNX2_EMAC_MODE);

			/* Enable port mode. */
			val &= ~BNX2_EMAC_MODE_PORT;
M
Michael Chan 已提交
3927
			val |= BNX2_EMAC_MODE_MPKT_RCVD |
3928 3929
			       BNX2_EMAC_MODE_ACPI_RCVD |
			       BNX2_EMAC_MODE_MPKT;
M
Michael Chan 已提交
3930 3931 3932 3933 3934 3935 3936
			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;
			}
3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970

			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;
		}

3971
		if (!(bp->flags & BNX2_FLAG_NO_WOL))
3972 3973
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
				     1, 0);
3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056

		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
4057
	if (bp->flash_info->flags & BNX2_NV_WREN) {
4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094
		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. */
4095
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4096 4097 4098 4099 4100 4101 4102 4103 4104 4105
	       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. */
4106
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4107 4108 4109 4110 4111 4112 4113 4114 4115 4116
		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
4117
	if (bp->flash_info->flags & BNX2_NV_BUFFERED)
4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159
		/* 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
4160 4161
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183
		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
4184 4185
			__be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
			memcpy(ret_val, &v, 4);
4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198
			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
4199 4200
	u32 cmd;
	__be32 val32;
4201 4202 4203 4204 4205
	int j;

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

M
Michael Chan 已提交
4206 4207
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218
		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
4219
	REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243

	/* 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
4244
	int j, entry_count, rc = 0;
4245
	const struct flash_spec *flash;
4246

M
Michael Chan 已提交
4247 4248 4249 4250 4251
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->flash_info = &flash_5709;
		goto get_flash_size;
	}

4252 4253 4254
	/* Determine the selected interface. */
	val = REG_RD(bp, BNX2_NVM_CFG1);

4255
	entry_count = ARRAY_SIZE(flash_table);
4256 4257 4258 4259 4260

	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
4261 4262 4263
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
4264 4265 4266 4267 4268 4269
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
4270
		u32 mask;
4271 4272
		/* Not yet been reconfigured */

4273 4274 4275 4276 4277
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

4278 4279 4280
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

4281
			if ((val & mask) == (flash->strapping & mask)) {
4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307
				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;
4308
		pr_alert("Unknown flash/EEPROM type\n");
M
Michael Chan 已提交
4309
		return -ENODEV;
4310 4311
	}

M
Michael Chan 已提交
4312
get_flash_size:
4313
	val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
M
Michael Chan 已提交
4314 4315 4316 4317 4318 4319
	val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
	if (val)
		bp->flash_size = val;
	else
		bp->flash_size = bp->flash_info->total_size;

4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437
	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;
4438
	u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4439 4440 4441 4442 4443 4444 4445 4446 4447 4448
	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
4449 4450 4451
		len32 += align_start;
		if (len32 < 4)
			len32 = 4;
4452 4453 4454 4455 4456
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
M
Michael Chan 已提交
4457 4458 4459 4460
		align_end = 4 - (len32 & 3);
		len32 += align_end;
		if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
			return rc;
4461 4462 4463
	}

	if (align_start || align_end) {
4464 4465
		align_buf = kmalloc(len32, GFP_KERNEL);
		if (align_buf == NULL)
4466 4467
			return -ENOMEM;
		if (align_start) {
4468
			memcpy(align_buf, start, 4);
4469 4470
		}
		if (align_end) {
4471
			memcpy(align_buf + len32 - 4, end, 4);
4472
		}
4473 4474
		memcpy(align_buf + align_start, data_buf, buf_size);
		buf = align_buf;
4475 4476
	}

M
Michael Chan 已提交
4477
	if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4478 4479 4480 4481 4482 4483 4484
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498
	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 */
4499
		data_end = (page_end > offset32 + len32) ?
4500 4501 4502 4503 4504 4505 4506 4507 4508 4509
			(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
4510
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4511 4512 4513 4514 4515 4516 4517 4518 4519
			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,
4520 4521
					page_start + j,
					&flash_buffer[j],
4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537
					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
4538
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
M
Michael Chan 已提交
4539 4540 4541 4542 4543 4544 4545
			/* 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);

4546 4547
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
4548

4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559
				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 */
4560
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4561
			if ((addr == page_end - 4) ||
M
Michael Chan 已提交
4562
				((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578
				 (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
4579
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4580 4581
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
4582

4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607
				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:
4608 4609
	kfree(flash_buffer);
	kfree(align_buf);
4610 4611 4612
	return rc;
}

4613
static void
4614
bnx2_init_fw_cap(struct bnx2 *bp)
4615
{
4616
	u32 val, sig = 0;
4617

4618
	bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4619 4620 4621 4622
	bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;

	if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
		bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4623

4624
	val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4625 4626 4627
	if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
		return;

4628 4629 4630 4631 4632 4633 4634 4635 4636
	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;

4637
		bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4638

4639 4640
		link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
		if (link & BNX2_LINK_STATUS_SERDES_LINK)
4641 4642 4643
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;
4644

4645 4646
		sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
		       BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4647
	}
4648 4649 4650

	if (netif_running(bp->dev) && sig)
		bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4651 4652
}

4653 4654 4655 4656 4657 4658 4659 4660 4661
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);
}

4662 4663 4664 4665 4666
static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;
4667
	u8 old_port;
4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678

	/* 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);

4679
	/* Wait for the firmware to tell us it is ok to issue a reset. */
4680
	bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
4681

4682 4683
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
4684 4685
	bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
		      BNX2_DRV_RESET_SIGNATURE_MAGIC);
4686 4687 4688 4689 4690

	/* 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);

4691 4692 4693 4694
	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);
4695

4696 4697
		val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4698

4699
		pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4700

4701 4702 4703 4704 4705 4706 4707 4708
	} 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);

4709 4710 4711 4712
		/* 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.
		 */
4713
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
A
Arjan van de Ven 已提交
4714 4715
		    (CHIP_ID(bp) == CHIP_ID_5706_A1))
			msleep(20);
4716

4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727
		/* 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)) {
4728
			pr_err("Chip reset did not complete\n");
4729 4730
			return -EBUSY;
		}
4731 4732 4733 4734 4735
	}

	/* Make sure byte swapping is properly configured. */
	val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
	if (val != 0x01020304) {
4736
		pr_err("Chip not in correct endian mode\n");
4737 4738 4739 4740
		return -ENODEV;
	}

	/* Wait for the firmware to finish its initialization. */
4741
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
4742 4743
	if (rc)
		return rc;
4744

4745
	spin_lock_bh(&bp->phy_lock);
4746
	old_port = bp->phy_port;
4747
	bnx2_init_fw_cap(bp);
4748 4749
	if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
	    old_port != bp->phy_port)
4750 4751 4752
		bnx2_set_default_remote_link(bp);
	spin_unlock_bh(&bp->phy_lock);

4753 4754 4755 4756 4757 4758 4759 4760 4761
	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);
	}

4762
	if (bp->flags & BNX2_FLAG_USING_MSIX) {
4763
		bnx2_setup_msix_tbl(bp);
4764 4765 4766 4767
		/* Prevent MSIX table reads and write from timing out */
		REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
			BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
	}
4768

4769 4770 4771 4772 4773 4774
	return rc;
}

static int
bnx2_init_chip(struct bnx2 *bp)
{
4775
	u32 val, mtu;
4776
	int rc, i;
4777 4778 4779 4780 4781 4782 4783

	/* 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
4784
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4785
#endif
4786
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4787 4788 4789 4790 4791
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

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

4792
	if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4793 4794 4795
		val |= (1 << 23);

	if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4796
	    (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4797 4798 4799 4800 4801 4802 4803 4804 4805 4806
		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);
	}

4807
	if (bp->flags & BNX2_FLAG_PCIX) {
4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822
		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. */
4823 4824 4825 4826 4827
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rc = bnx2_init_5709_context(bp);
		if (rc)
			return rc;
	} else
M
Michael Chan 已提交
4828
		bnx2_init_context(bp);
4829

4830 4831 4832
	if ((rc = bnx2_init_cpus(bp)) != 0)
		return rc;

4833 4834
	bnx2_init_nvram(bp);

4835
	bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
4836 4837 4838 4839

	val = REG_RD(bp, BNX2_MQ_CONFIG);
	val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
	val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4840 4841 4842 4843 4844
	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;
	}
4845

4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869
	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. */
4870 4871
	mtu = bp->dev->mtu;
	val = mtu + ETH_HLEN + ETH_FCS_LEN;
4872 4873 4874 4875
	if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
		val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
	REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);

4876 4877 4878 4879 4880 4881 4882
	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));

4883
	memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
4884 4885 4886
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
		bp->bnx2_napi[i].last_status_idx = 0;

4887 4888
	bp->idle_chk_status_idx = 0xffff;

4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902
	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);

4903
	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921
	       (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);

4922
	if (bp->flags & BNX2_FLAG_BROKEN_STATS)
4923 4924
		REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
	else
4925
		REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4926 4927 4928
	REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */

	if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4929
		val = BNX2_HC_CONFIG_COLLECT_STATS;
4930
	else {
4931 4932
		val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
		      BNX2_HC_CONFIG_COLLECT_STATS;
4933 4934
	}

4935
	if (bp->flags & BNX2_FLAG_USING_MSIX) {
4936 4937 4938
		REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
		       BNX2_HC_MSIX_BIT_VECTOR_VAL);

M
Michael Chan 已提交
4939 4940 4941 4942
		val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
	}

	if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4943
		val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
M
Michael Chan 已提交
4944 4945 4946 4947 4948 4949 4950

	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;

4951
		REG_WR(bp, base,
4952
			BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
M
Michael Chan 已提交
4953
			BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
4954 4955
			BNX2_HC_SB_CONFIG_1_ONE_SHOT);

4956
		REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4957 4958 4959
			(bp->tx_quick_cons_trip_int << 16) |
			 bp->tx_quick_cons_trip);

4960
		REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4961 4962
			(bp->tx_ticks_int << 16) | bp->tx_ticks);

M
Michael Chan 已提交
4963 4964 4965
		REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
		       (bp->rx_quick_cons_trip_int << 16) |
			bp->rx_quick_cons_trip);
4966

M
Michael Chan 已提交
4967 4968 4969
		REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
			(bp->rx_ticks_int << 16) | bp->rx_ticks);
	}
4970

4971 4972 4973
	/* Clear internal stats counters. */
	REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);

4974
	REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4975 4976 4977 4978

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

M
Michael Chan 已提交
4979 4980 4981 4982 4983
	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);
	}
4984
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4985
			  1, 0);
4986

M
Michael Chan 已提交
4987
	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4988 4989 4990 4991
	REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);

	udelay(20);

M
Michael Chan 已提交
4992 4993
	bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);

4994
	return rc;
4995 4996
}

4997 4998 4999 5000
static void
bnx2_clear_ring_states(struct bnx2 *bp)
{
	struct bnx2_napi *bnapi;
5001
	struct bnx2_tx_ring_info *txr;
5002
	struct bnx2_rx_ring_info *rxr;
5003 5004 5005 5006
	int i;

	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
		bnapi = &bp->bnx2_napi[i];
5007
		txr = &bnapi->tx_ring;
5008
		rxr = &bnapi->rx_ring;
5009

5010 5011
		txr->tx_cons = 0;
		txr->hw_tx_cons = 0;
5012 5013 5014 5015 5016
		rxr->rx_prod_bseq = 0;
		rxr->rx_prod = 0;
		rxr->rx_cons = 0;
		rxr->rx_pg_prod = 0;
		rxr->rx_pg_cons = 0;
5017 5018 5019
	}
}

M
Michael Chan 已提交
5020
static void
5021
bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
M
Michael Chan 已提交
5022 5023
{
	u32 val, offset0, offset1, offset2, offset3;
M
Michael Chan 已提交
5024
	u32 cid_addr = GET_CID_ADDR(cid);
M
Michael Chan 已提交
5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037

	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
5038
	bnx2_ctx_wr(bp, cid_addr, offset0, val);
M
Michael Chan 已提交
5039 5040

	val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
M
Michael Chan 已提交
5041
	bnx2_ctx_wr(bp, cid_addr, offset1, val);
M
Michael Chan 已提交
5042

5043
	val = (u64) txr->tx_desc_mapping >> 32;
M
Michael Chan 已提交
5044
	bnx2_ctx_wr(bp, cid_addr, offset2, val);
M
Michael Chan 已提交
5045

5046
	val = (u64) txr->tx_desc_mapping & 0xffffffff;
M
Michael Chan 已提交
5047
	bnx2_ctx_wr(bp, cid_addr, offset3, val);
M
Michael Chan 已提交
5048
}
5049 5050

static void
5051
bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
5052 5053
{
	struct tx_bd *txbd;
5054 5055
	u32 cid = TX_CID;
	struct bnx2_napi *bnapi;
5056
	struct bnx2_tx_ring_info *txr;
5057

5058 5059 5060 5061 5062 5063 5064
	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;
5065

M
Michael Chan 已提交
5066 5067
	bp->tx_wake_thresh = bp->tx_ring_size / 2;

5068
	txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
5069

5070 5071
	txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
	txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
5072

5073 5074
	txr->tx_prod = 0;
	txr->tx_prod_bseq = 0;
5075

5076 5077
	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;
5078

5079
	bnx2_init_tx_context(bp, cid, txr);
5080 5081 5082
}

static void
5083 5084
bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
		     int num_rings)
5085 5086
{
	int i;
5087
	struct rx_bd *rxbd;
5088

5089
	for (i = 0; i < num_rings; i++) {
5090
		int j;
5091

5092
		rxbd = &rx_ring[i][0];
5093
		for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
5094
			rxbd->rx_bd_len = buf_size;
5095 5096
			rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
		}
5097
		if (i == (num_rings - 1))
5098 5099 5100
			j = 0;
		else
			j = i + 1;
5101 5102
		rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
		rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
5103
	}
5104 5105 5106
}

static void
5107
bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
5108 5109 5110
{
	int i;
	u16 prod, ring_prod;
5111 5112 5113 5114 5115 5116 5117 5118 5119 5120
	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);
5121

5122
	bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
5123 5124
			     bp->rx_buf_use_size, bp->rx_max_ring);

5125
	bnx2_init_rx_context(bp, cid);
5126 5127 5128 5129 5130 5131

	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
5132
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
5133
	if (bp->rx_pg_ring_size) {
5134 5135
		bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
				     rxr->rx_pg_desc_mapping,
5136 5137
				     PAGE_SIZE, bp->rx_max_pg_ring);
		val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
M
Michael Chan 已提交
5138 5139
		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
5140
		       BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
5141

5142
		val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
M
Michael Chan 已提交
5143
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
5144

5145
		val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
M
Michael Chan 已提交
5146
		bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
5147 5148 5149 5150

		if (CHIP_NUM(bp) == CHIP_NUM_5709)
			REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
	}
5151

5152
	val = (u64) rxr->rx_desc_mapping[0] >> 32;
M
Michael Chan 已提交
5153
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
5154

5155
	val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
M
Michael Chan 已提交
5156
	bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
5157

5158
	ring_prod = prod = rxr->rx_pg_prod;
5159
	for (i = 0; i < bp->rx_pg_ring_size; i++) {
5160
		if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) {
5161 5162
			netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
				    ring_num, i, bp->rx_pg_ring_size);
5163
			break;
5164
		}
5165 5166 5167
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_PG_RING_IDX(prod);
	}
5168
	rxr->rx_pg_prod = prod;
5169

5170
	ring_prod = prod = rxr->rx_prod;
5171
	for (i = 0; i < bp->rx_ring_size; i++) {
5172
		if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) {
5173 5174
			netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
				    ring_num, i, bp->rx_ring_size);
5175
			break;
5176
		}
5177 5178 5179
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_RING_IDX(prod);
	}
5180
	rxr->rx_prod = prod;
5181

5182 5183 5184
	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;
5185

5186 5187 5188 5189
	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);
5190 5191
}

5192 5193 5194 5195
static void
bnx2_init_all_rings(struct bnx2 *bp)
{
	int i;
M
Michael Chan 已提交
5196
	u32 val;
5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207

	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
5208 5209 5210
	REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
	bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);

5211 5212
	for (i = 0; i < bp->num_rx_rings; i++)
		bnx2_init_rx_ring(bp, i);
M
Michael Chan 已提交
5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234

	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);

	}
5235 5236
}

5237
static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
5238
{
5239
	u32 max, num_rings = 1;
5240

5241 5242
	while (ring_size > MAX_RX_DESC_CNT) {
		ring_size -= MAX_RX_DESC_CNT;
5243 5244 5245
		num_rings++;
	}
	/* round to next power of 2 */
5246
	max = max_size;
5247 5248 5249 5250 5251 5252
	while ((max & num_rings) == 0)
		max >>= 1;

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

5253 5254 5255 5256 5257 5258
	return max;
}

static void
bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
{
M
Michael Chan 已提交
5259
	u32 rx_size, rx_space, jumbo_size;
5260 5261

	/* 8 for CRC and VLAN */
5262
	rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
5263

M
Michael Chan 已提交
5264 5265 5266
	rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
		sizeof(struct skb_shared_info);

5267
	bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
5268 5269 5270
	bp->rx_pg_ring_size = 0;
	bp->rx_max_pg_ring = 0;
	bp->rx_max_pg_ring_idx = 0;
5271
	if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
M
Michael Chan 已提交
5272 5273 5274 5275 5276 5277 5278 5279 5280 5281
		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;
5282
		rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
M
Michael Chan 已提交
5283 5284
		bp->rx_copy_thresh = 0;
	}
5285 5286 5287 5288

	bp->rx_buf_use_size = rx_size;
	/* hw alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
5289
	bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5290 5291
	bp->rx_ring_size = size;
	bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
5292 5293 5294
	bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
}

5295 5296 5297 5298 5299
static void
bnx2_free_tx_skbs(struct bnx2 *bp)
{
	int i;

5300 5301 5302 5303
	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;
5304

5305
		if (txr->tx_buf_ring == NULL)
5306 5307
			continue;

5308
		for (j = 0; j < TX_DESC_CNT; ) {
B
Benjamin Li 已提交
5309
			struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
5310
			struct sk_buff *skb = tx_buf->skb;
5311
			int k, last;
5312 5313 5314 5315 5316 5317

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

5318 5319 5320 5321
			pci_unmap_single(bp->pdev,
					 pci_unmap_addr(tx_buf, mapping),
					 skb_headlen(skb),
					 PCI_DMA_TODEVICE);
5322

5323
			tx_buf->skb = NULL;
5324

5325 5326 5327 5328 5329 5330 5331 5332 5333
			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);
			}
5334
			dev_kfree_skb(skb);
5335 5336 5337 5338 5339 5340 5341 5342 5343
		}
	}
}

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

5344 5345 5346 5347
	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;
5348

5349 5350
		if (rxr->rx_buf_ring == NULL)
			return;
5351

5352 5353 5354
		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;
5355

5356 5357
			if (skb == NULL)
				continue;
5358

5359 5360 5361 5362
			pci_unmap_single(bp->pdev,
					 pci_unmap_addr(rx_buf, mapping),
					 bp->rx_buf_use_size,
					 PCI_DMA_FROMDEVICE);
5363

5364 5365 5366 5367 5368 5369
			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);
5370 5371 5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389
	}
}

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;

5390 5391 5392
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

5393
	bnx2_init_all_rings(bp);
5394 5395 5396 5397
	return 0;
}

static int
5398
bnx2_init_nic(struct bnx2 *bp, int reset_phy)
5399 5400 5401 5402 5403 5404
{
	int rc;

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

M
Michael Chan 已提交
5405
	spin_lock_bh(&bp->phy_lock);
5406
	bnx2_init_phy(bp, reset_phy);
5407
	bnx2_set_link(bp);
5408 5409
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
		bnx2_remote_phy_event(bp);
5410
	spin_unlock_bh(&bp->phy_lock);
5411 5412 5413
	return 0;
}

M
Michael Chan 已提交
5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428
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);
}

5429 5430 5431 5432
static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
5433
	int i, is_5709;
5434
	static const struct {
5435 5436
		u16   offset;
		u16   flags;
5437
#define BNX2_FL_NOT_5709	1
5438 5439 5440 5441 5442 5443 5444
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464
		{ 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 },
5465 5466

		{ 0x1000, 0, 0x00000000, 0x00000001 },
M
Michael Chan 已提交
5467
		{ 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
5468 5469 5470 5471

		{ 0x1408, 0, 0x01c00800, 0x00000000 },
		{ 0x149c, 0, 0x8000ffff, 0x00000000 },
		{ 0x14a8, 0, 0x00000000, 0x000001ff },
M
Michael Chan 已提交
5472
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
5473 5474 5475 5476 5477 5478 5479 5480 5481 5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549
		{ 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;
5550 5551 5552 5553
	is_5709 = 0;
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		is_5709 = 1;

5554 5555
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;
5556 5557 5558 5559
		u16 flags = reg_tbl[i].flags;

		if (is_5709 && (flags & BNX2_FL_NOT_5709))
			continue;
5560 5561 5562 5563 5564

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

5565
		save_val = readl(bp->regview + offset);
5566

5567
		writel(0, bp->regview + offset);
5568

5569
		val = readl(bp->regview + offset);
5570 5571 5572 5573 5574 5575 5576 5577
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

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

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

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

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

5589
		writel(save_val, bp->regview + offset);
5590 5591 5592
		continue;

reg_test_err:
5593
		writel(save_val, bp->regview + offset);
5594 5595 5596 5597 5598 5599 5600 5601 5602
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
5603
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5604 5605 5606 5607 5608 5609 5610 5611
		0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
	int i;

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

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

5612
			bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5613

5614
			if (bnx2_reg_rd_ind(bp, start + offset) !=
5615 5616 5617 5618 5619 5620 5621 5622 5623 5624 5625 5626 5627
				test_pattern[i]) {
				return -ENODEV;
			}
		}
	}
	return 0;
}

static int
bnx2_test_memory(struct bnx2 *bp)
{
	int ret = 0;
	int i;
5628
	static struct mem_entry {
5629 5630
		u32   offset;
		u32   len;
5631
	} mem_tbl_5706[] = {
5632
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
5633
		{ 0xa0000,  0x3000 },
5634 5635 5636 5637 5638
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
5639 5640 5641 5642 5643 5644 5645 5646
	},
	mem_tbl_5709[] = {
		{ 0x60000,  0x4000 },
		{ 0xa0000,  0x3000 },
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0xffffffff, 0    },
5647
	};
5648 5649 5650 5651 5652 5653
	struct mem_entry *mem_tbl;

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		mem_tbl = mem_tbl_5709;
	else
		mem_tbl = mem_tbl_5706;
5654 5655 5656 5657 5658 5659 5660

	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;
		}
	}
5661

5662 5663 5664
	return ret;
}

M
Michael Chan 已提交
5665 5666 5667
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

5668
static int
M
Michael Chan 已提交
5669
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5670 5671 5672 5673
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
5674
	u16 rx_start_idx, rx_idx;
5675 5676 5677 5678 5679
	dma_addr_t map;
	struct tx_bd *txbd;
	struct sw_bd *rx_buf;
	struct l2_fhdr *rx_hdr;
	int ret = -ENODEV;
5680
	struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5681
	struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5682
	struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5683 5684

	tx_napi = bnapi;
5685

5686
	txr = &tx_napi->tx_ring;
5687
	rxr = &bnapi->rx_ring;
M
Michael Chan 已提交
5688 5689 5690 5691 5692
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5693
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5694 5695
			return 0;

M
Michael Chan 已提交
5696
		bp->loopback = PHY_LOOPBACK;
M
Michael Chan 已提交
5697 5698 5699 5700
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
5701

M
Michael Chan 已提交
5702
	pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5703
	skb = netdev_alloc_skb(bp->dev, pkt_size);
5704 5705
	if (!skb)
		return -ENOMEM;
5706
	packet = skb_put(skb, pkt_size);
M
Michael Chan 已提交
5707
	memcpy(packet, bp->dev->dev_addr, 6);
5708 5709 5710 5711
	memset(packet + 6, 0x0, 8);
	for (i = 14; i < pkt_size; i++)
		packet[i] = (unsigned char) (i & 0xff);

5712 5713 5714
	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
5715 5716 5717
		dev_kfree_skb(skb);
		return -EIO;
	}
5718

M
Michael Chan 已提交
5719 5720 5721
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5722 5723 5724
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);
5725
	rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5726 5727 5728

	num_pkts = 0;

5729
	txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
5730 5731 5732 5733 5734 5735 5736

	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++;
5737 5738
	txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
	txr->tx_prod_bseq += pkt_size;
5739

5740 5741
	REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
	REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
5742 5743 5744

	udelay(100);

M
Michael Chan 已提交
5745 5746 5747
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

5748 5749 5750 5751
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

5752
	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5753
	dev_kfree_skb(skb);
5754

5755
	if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
5756 5757
		goto loopback_test_done;

5758
	rx_idx = bnx2_get_hw_rx_cons(bnapi);
5759 5760 5761 5762
	if (rx_idx != rx_start_idx + num_pkts) {
		goto loopback_test_done;
	}

5763
	rx_buf = &rxr->rx_buf_ring[rx_start_idx];
5764 5765 5766
	rx_skb = rx_buf->skb;

	rx_hdr = (struct l2_fhdr *) rx_skb->data;
5767
	skb_reserve(rx_skb, BNX2_RX_OFFSET);
5768 5769 5770 5771 5772

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

5773
	if (rx_hdr->l2_fhdr_status &
5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799
		(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
5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814
#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);
5815
	bnx2_init_phy(bp, 1);
M
Michael Chan 已提交
5816 5817 5818 5819 5820 5821 5822 5823
	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;
}

5824 5825 5826 5827 5828 5829
#define NVRAM_SIZE 0x200
#define CRC32_RESIDUAL 0xdebb20e3

static int
bnx2_test_nvram(struct bnx2 *bp)
{
A
Al Viro 已提交
5830
	__be32 buf[NVRAM_SIZE / 4];
5831 5832 5833 5834 5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865 5866
	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;

5867 5868 5869
	if (!netif_running(bp->dev))
		return -ENODEV;

5870
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5871 5872 5873 5874
		if (bp->link_up)
			return 0;
		return -ENODEV;
	}
5875
	spin_lock_bh(&bp->phy_lock);
5876 5877 5878 5879
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
5880
	spin_unlock_bh(&bp->phy_lock);
5881

5882 5883 5884 5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 5897 5898 5899
	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
5900
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917
	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;
}

5918
/* Determining link for parallel detection. */
5919 5920 5921 5922 5923
static int
bnx2_5706_serdes_has_link(struct bnx2 *bp)
{
	u32 mode_ctl, an_dbg, exp;

5924 5925 5926
	if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
		return 0;

5927 5928 5929 5930 5931 5932 5933 5934 5935 5936
	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);

5937
	if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949
		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;
}

5950
static void
5951
bnx2_5706_serdes_timer(struct bnx2 *bp)
5952
{
5953 5954
	int check_link = 1;

5955
	spin_lock(&bp->phy_lock);
5956
	if (bp->serdes_an_pending) {
5957
		bp->serdes_an_pending--;
5958 5959
		check_link = 0;
	} else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5960
		u32 bmcr;
5961

5962
		bp->current_interval = BNX2_TIMER_INTERVAL;
M
Michael Chan 已提交
5963

5964
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5965

5966
		if (bmcr & BMCR_ANENABLE) {
5967
			if (bnx2_5706_serdes_has_link(bp)) {
5968 5969
				bmcr &= ~BMCR_ANENABLE;
				bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5970
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5971
				bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5972
			}
5973
		}
5974 5975
	}
	else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5976
		 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5977
		u32 phy2;
5978

5979 5980 5981 5982
		bnx2_write_phy(bp, 0x17, 0x0f01);
		bnx2_read_phy(bp, 0x15, &phy2);
		if (phy2 & 0x20) {
			u32 bmcr;
M
Michael Chan 已提交
5983

5984
			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5985
			bmcr |= BMCR_ANENABLE;
5986
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5987

5988
			bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5989 5990
		}
	} else
5991
		bp->current_interval = BNX2_TIMER_INTERVAL;
5992

5993
	if (check_link) {
5994 5995 5996 5997 5998 5999
		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);

6000 6001 6002 6003 6004 6005 6006 6007
		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);
6008
	}
6009 6010
	spin_unlock(&bp->phy_lock);
}
6011

6012 6013 6014
static void
bnx2_5708_serdes_timer(struct bnx2 *bp)
{
6015
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6016 6017
		return;

6018
	if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
6019 6020 6021
		bp->serdes_an_pending = 0;
		return;
	}
6022

6023 6024 6025 6026 6027
	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;
6028

6029
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6030
		if (bmcr & BMCR_ANENABLE) {
6031
			bnx2_enable_forced_2g5(bp);
M
Michael Chan 已提交
6032
			bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
6033
		} else {
6034
			bnx2_disable_forced_2g5(bp);
6035
			bp->serdes_an_pending = 2;
6036
			bp->current_interval = BNX2_TIMER_INTERVAL;
6037 6038
		}

6039
	} else
6040
		bp->current_interval = BNX2_TIMER_INTERVAL;
6041

6042 6043 6044
	spin_unlock(&bp->phy_lock);
}

6045 6046 6047 6048
static void
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
6049

6050 6051
	if (!netif_running(bp->dev))
		return;
6052

6053 6054
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;
6055

6056 6057 6058 6059
	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
6060
	bnx2_send_heart_beat(bp);
6061

6062 6063
	bp->stats_blk->stat_FwRxDrop =
		bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
6064

6065
	/* workaround occasional corrupted counters */
6066
	if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
6067 6068 6069
		REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
					    BNX2_HC_COMMAND_STATS_NOW);

6070
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6071 6072
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			bnx2_5706_serdes_timer(bp);
6073
		else
6074
			bnx2_5708_serdes_timer(bp);
6075 6076 6077
	}

bnx2_restart_timer:
M
Michael Chan 已提交
6078
	mod_timer(&bp->timer, jiffies + bp->current_interval);
6079 6080
}

6081 6082 6083
static int
bnx2_request_irq(struct bnx2 *bp)
{
6084
	unsigned long flags;
6085 6086
	struct bnx2_irq *irq;
	int rc = 0, i;
6087

6088
	if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
6089 6090 6091
		flags = 0;
	else
		flags = IRQF_SHARED;
6092 6093 6094

	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
6095
		rc = request_irq(irq->vector, irq->handler, flags, irq->name,
6096
				 &bp->bnx2_napi[i]);
6097 6098 6099 6100
		if (rc)
			break;
		irq->requested = 1;
	}
6101 6102 6103 6104 6105 6106
	return rc;
}

static void
bnx2_free_irq(struct bnx2 *bp)
{
6107 6108
	struct bnx2_irq *irq;
	int i;
6109

6110 6111 6112
	for (i = 0; i < bp->irq_nvecs; i++) {
		irq = &bp->irq_tbl[i];
		if (irq->requested)
6113
			free_irq(irq->vector, &bp->bnx2_napi[i]);
6114
		irq->requested = 0;
6115
	}
6116
	if (bp->flags & BNX2_FLAG_USING_MSI)
6117
		pci_disable_msi(bp->pdev);
6118
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
6119 6120
		pci_disable_msix(bp->pdev);

6121
	bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
6122 6123 6124
}

static void
M
Michael Chan 已提交
6125
bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
6126
{
M
Michael Chan 已提交
6127 6128
	int i, rc;
	struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
M
Michael Chan 已提交
6129 6130
	struct net_device *dev = bp->dev;
	const int len = sizeof(bp->irq_tbl[0].name);
M
Michael Chan 已提交
6131

6132 6133 6134 6135
	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
6136

6137 6138 6139 6140
	/*  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
6141 6142 6143 6144 6145 6146 6147 6148 6149
	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
6150
	bp->irq_nvecs = msix_vecs;
6151
	bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
6152
	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
M
Michael Chan 已提交
6153
		bp->irq_tbl[i].vector = msix_ent[i].vector;
6154 6155 6156
		snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
		bp->irq_tbl[i].handler = bnx2_msi_1shot;
	}
6157 6158 6159 6160 6161
}

static void
bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
{
M
Michael Chan 已提交
6162
	int cpus = num_online_cpus();
B
Benjamin Li 已提交
6163
	int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
M
Michael Chan 已提交
6164

6165 6166
	bp->irq_tbl[0].handler = bnx2_interrupt;
	strcpy(bp->irq_tbl[0].name, bp->dev->name);
6167 6168 6169
	bp->irq_nvecs = 1;
	bp->irq_tbl[0].vector = bp->pdev->irq;

M
Michael Chan 已提交
6170 6171
	if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
		bnx2_enable_msix(bp, msix_vecs);
6172

6173 6174
	if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
	    !(bp->flags & BNX2_FLAG_USING_MSIX)) {
6175
		if (pci_enable_msi(bp->pdev) == 0) {
6176
			bp->flags |= BNX2_FLAG_USING_MSI;
6177
			if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6178
				bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
6179 6180 6181
				bp->irq_tbl[0].handler = bnx2_msi_1shot;
			} else
				bp->irq_tbl[0].handler = bnx2_msi;
6182 6183

			bp->irq_tbl[0].vector = bp->pdev->irq;
6184 6185
		}
	}
B
Benjamin Li 已提交
6186 6187 6188 6189

	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
6190
	bp->num_rx_rings = bp->irq_nvecs;
6191 6192
}

6193 6194 6195 6196
/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
6197
	struct bnx2 *bp = netdev_priv(dev);
6198 6199
	int rc;

6200 6201
	netif_carrier_off(dev);

6202
	bnx2_set_power_state(bp, PCI_D0);
6203 6204
	bnx2_disable_int(bp);

6205
	bnx2_setup_int_mode(bp, disable_msi);
B
Benjamin Li 已提交
6206
	bnx2_init_napi(bp);
6207
	bnx2_napi_enable(bp);
6208
	rc = bnx2_alloc_mem(bp);
6209 6210
	if (rc)
		goto open_err;
6211

6212
	rc = bnx2_request_irq(bp);
6213 6214
	if (rc)
		goto open_err;
6215

6216
	rc = bnx2_init_nic(bp, 1);
6217 6218
	if (rc)
		goto open_err;
6219

M
Michael Chan 已提交
6220
	mod_timer(&bp->timer, jiffies + bp->current_interval);
6221 6222 6223

	atomic_set(&bp->intr_sem, 0);

6224 6225
	memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));

6226 6227
	bnx2_enable_int(bp);

6228
	if (bp->flags & BNX2_FLAG_USING_MSI) {
6229 6230 6231 6232
		/* Test MSI to make sure it is working
		 * If MSI test fails, go back to INTx mode
		 */
		if (bnx2_test_intr(bp) != 0) {
6233
			netdev_warn(bp->dev, "No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information.\n");
6234 6235

			bnx2_disable_int(bp);
6236
			bnx2_free_irq(bp);
6237

6238 6239
			bnx2_setup_int_mode(bp, 1);

6240
			rc = bnx2_init_nic(bp, 0);
6241

6242 6243 6244
			if (!rc)
				rc = bnx2_request_irq(bp);

6245 6246
			if (rc) {
				del_timer_sync(&bp->timer);
6247
				goto open_err;
6248 6249 6250 6251
			}
			bnx2_enable_int(bp);
		}
	}
6252
	if (bp->flags & BNX2_FLAG_USING_MSI)
6253
		netdev_info(dev, "using MSI\n");
6254
	else if (bp->flags & BNX2_FLAG_USING_MSIX)
6255
		netdev_info(dev, "using MSIX\n");
6256

B
Benjamin Li 已提交
6257
	netif_tx_start_all_queues(dev);
6258 6259

	return 0;
6260 6261 6262 6263 6264 6265 6266

open_err:
	bnx2_napi_disable(bp);
	bnx2_free_skbs(bp);
	bnx2_free_irq(bp);
	bnx2_free_mem(bp);
	return rc;
6267 6268 6269
}

static void
D
David Howells 已提交
6270
bnx2_reset_task(struct work_struct *work)
6271
{
D
David Howells 已提交
6272
	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
6273

6274 6275 6276
	rtnl_lock();
	if (!netif_running(bp->dev)) {
		rtnl_unlock();
6277
		return;
6278
	}
6279

6280 6281
	bnx2_netif_stop(bp);

6282
	bnx2_init_nic(bp, 1);
6283 6284 6285

	atomic_set(&bp->intr_sem, 1);
	bnx2_netif_start(bp);
6286
	rtnl_unlock();
6287 6288
}

6289 6290 6291 6292 6293
static void
bnx2_dump_state(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;

6294 6295 6296 6297 6298 6299 6300 6301 6302
	netdev_err(dev, "DEBUG: intr_sem[%x]\n", atomic_read(&bp->intr_sem));
	netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] RPM_MGMT_PKT_CTRL[%08x]\n",
		   REG_RD(bp, BNX2_EMAC_TX_STATUS),
		   REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
	netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
		   bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P0),
		   bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P1));
	netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
		   REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
6303
	if (bp->flags & BNX2_FLAG_USING_MSIX)
6304 6305
		netdev_err(dev, "DEBUG: PBA[%08x]\n",
			   REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
6306 6307
}

6308 6309 6310
static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
6311
	struct bnx2 *bp = netdev_priv(dev);
6312

6313 6314
	bnx2_dump_state(bp);

6315 6316 6317 6318 6319 6320 6321 6322 6323
	/* 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
6324
	struct bnx2 *bp = netdev_priv(dev);
6325

6326 6327
	if (netif_running(dev))
		bnx2_netif_stop(bp);
6328 6329

	bp->vlgrp = vlgrp;
6330 6331 6332 6333

	if (!netif_running(dev))
		return;

6334
	bnx2_set_rx_mode(dev);
6335 6336
	if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
		bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
6337 6338 6339 6340 6341

	bnx2_netif_start(bp);
}
#endif

H
Herbert Xu 已提交
6342
/* Called with netif_tx_lock.
M
Michael Chan 已提交
6343 6344
 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
 * netif_wake_queue().
6345
 */
6346
static netdev_tx_t
6347 6348
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
6349
	struct bnx2 *bp = netdev_priv(dev);
6350 6351
	dma_addr_t mapping;
	struct tx_bd *txbd;
B
Benjamin Li 已提交
6352
	struct sw_tx_bd *tx_buf;
6353 6354 6355
	u32 len, vlan_tag_flags, last_frag, mss;
	u16 prod, ring_prod;
	int i;
B
Benjamin Li 已提交
6356 6357 6358 6359 6360 6361 6362 6363 6364
	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);
6365

6366
	if (unlikely(bnx2_tx_avail(bp, txr) <
6367
	    (skb_shinfo(skb)->nr_frags + 1))) {
B
Benjamin Li 已提交
6368
		netif_tx_stop_queue(txq);
6369
		netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
6370 6371 6372 6373

		return NETDEV_TX_BUSY;
	}
	len = skb_headlen(skb);
6374
	prod = txr->tx_prod;
6375 6376 6377
	ring_prod = TX_RING_IDX(prod);

	vlan_tag_flags = 0;
6378
	if (skb->ip_summed == CHECKSUM_PARTIAL) {
6379 6380 6381
		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
	}

6382
#ifdef BCM_VLAN
A
Al Viro 已提交
6383
	if (bp->vlgrp && vlan_tx_tag_present(skb)) {
6384 6385 6386
		vlan_tag_flags |=
			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
	}
6387
#endif
6388
	if ((mss = skb_shinfo(skb)->gso_size)) {
6389
		u32 tcp_opt_len;
6390
		struct iphdr *iph;
6391 6392 6393

		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

6394 6395 6396 6397 6398
		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;
6399

6400 6401 6402 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417
			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;
			}
6418
		}
6419
	} else
6420 6421
		mss = 0;

6422 6423
	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
6424 6425 6426 6427
		dev_kfree_skb(skb);
		return NETDEV_TX_OK;
	}

6428
	tx_buf = &txr->tx_buf_ring[ring_prod];
6429
	tx_buf->skb = skb;
6430
	pci_unmap_addr_set(tx_buf, mapping, mapping);
6431

6432
	txbd = &txr->tx_desc_ring[ring_prod];
6433 6434 6435 6436 6437 6438 6439

	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
6440 6441
	tx_buf->nr_frags = last_frag;
	tx_buf->is_gso = skb_is_gso(skb);
6442 6443 6444 6445 6446 6447

	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);
6448
		txbd = &txr->tx_desc_ring[ring_prod];
6449 6450

		len = frag->size;
6451 6452 6453 6454 6455 6456
		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);
6457 6458 6459 6460 6461 6462 6463 6464 6465 6466

		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);
6467
	txr->tx_prod_bseq += skb->len;
6468

6469 6470
	REG_WR16(bp, txr->tx_bidx_addr, prod);
	REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
6471 6472 6473

	mmiowb();

6474
	txr->tx_prod = prod;
6475

6476
	if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
B
Benjamin Li 已提交
6477
		netif_tx_stop_queue(txq);
6478
		if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
B
Benjamin Li 已提交
6479
			netif_tx_wake_queue(txq);
6480 6481
	}

6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505
	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);
6506 6507 6508 6509 6510 6511 6512
	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
6513
	struct bnx2 *bp = netdev_priv(dev);
6514

6515
	cancel_work_sync(&bp->reset_task);
6516

6517
	bnx2_disable_int_sync(bp);
6518
	bnx2_napi_disable(bp);
6519
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
6520
	bnx2_shutdown_chip(bp);
6521
	bnx2_free_irq(bp);
6522 6523 6524 6525
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
6526
	bnx2_set_power_state(bp, PCI_D3hot);
6527 6528 6529
	return 0;
}

6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541
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;

6542 6543
		hi = temp_stats[i] + hw_stats[i];
		lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
6544 6545
		if (lo > 0xffffffff)
			hi++;
6546 6547
		temp_stats[i] = hi;
		temp_stats[i + 1] = lo & 0xffffffff;
6548 6549 6550
	}

	for ( ; i < sizeof(struct statistics_block) / 4; i++)
6551
		temp_stats[i] += hw_stats[i];
6552 6553
}

M
Michael Chan 已提交
6554
#define GET_64BIT_NET_STATS64(ctr)				\
6555 6556 6557
	(unsigned long) ((unsigned long) (ctr##_hi) << 32) +	\
	(unsigned long) (ctr##_lo)

M
Michael Chan 已提交
6558
#define GET_64BIT_NET_STATS32(ctr)				\
6559 6560 6561
	(ctr##_lo)

#if (BITS_PER_LONG == 64)
M
Michael Chan 已提交
6562
#define GET_64BIT_NET_STATS(ctr)				\
6563 6564
	GET_64BIT_NET_STATS64(bp->stats_blk->ctr) +		\
	GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
6565
#else
M
Michael Chan 已提交
6566
#define GET_64BIT_NET_STATS(ctr)				\
6567 6568
	GET_64BIT_NET_STATS32(bp->stats_blk->ctr) +		\
	GET_64BIT_NET_STATS32(bp->temp_stats_blk->ctr)
6569 6570
#endif

M
Michael Chan 已提交
6571
#define GET_32BIT_NET_STATS(ctr)				\
6572 6573
	(unsigned long) (bp->stats_blk->ctr +			\
			 bp->temp_stats_blk->ctr)
M
Michael Chan 已提交
6574

6575 6576 6577
static struct net_device_stats *
bnx2_get_stats(struct net_device *dev)
{
M
Michael Chan 已提交
6578
	struct bnx2 *bp = netdev_priv(dev);
6579
	struct net_device_stats *net_stats = &dev->stats;
6580 6581 6582 6583 6584

	if (bp->stats_blk == NULL) {
		return net_stats;
	}
	net_stats->rx_packets =
M
Michael Chan 已提交
6585 6586 6587
		GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
6588 6589

	net_stats->tx_packets =
M
Michael Chan 已提交
6590 6591 6592
		GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
		GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
6593 6594

	net_stats->rx_bytes =
M
Michael Chan 已提交
6595
		GET_64BIT_NET_STATS(stat_IfHCInOctets);
6596 6597

	net_stats->tx_bytes =
M
Michael Chan 已提交
6598
		GET_64BIT_NET_STATS(stat_IfHCOutOctets);
6599

6600
	net_stats->multicast =
M
Michael Chan 已提交
6601
		GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts);
6602

6603
	net_stats->collisions =
M
Michael Chan 已提交
6604
		GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
6605

6606
	net_stats->rx_length_errors =
M
Michael Chan 已提交
6607 6608
		GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
		GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
6609

6610
	net_stats->rx_over_errors =
M
Michael Chan 已提交
6611 6612
		GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
		GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
6613

6614
	net_stats->rx_frame_errors =
M
Michael Chan 已提交
6615
		GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
6616

6617
	net_stats->rx_crc_errors =
M
Michael Chan 已提交
6618
		GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
6619 6620 6621 6622 6623 6624

	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
6625 6626
		GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
		GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
6627

M
Michael Chan 已提交
6628 6629
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
6630 6631 6632
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
M
Michael Chan 已提交
6633
			GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
6634 6635 6636
	}

	net_stats->tx_errors =
M
Michael Chan 已提交
6637
		GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
6638 6639 6640
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
6641
	net_stats->rx_missed_errors =
M
Michael Chan 已提交
6642 6643 6644
		GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
		GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
		GET_32BIT_NET_STATS(stat_FwRxDrop);
M
Michael Chan 已提交
6645

6646 6647 6648 6649 6650 6651 6652 6653
	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
6654
	struct bnx2 *bp = netdev_priv(dev);
6655
	int support_serdes = 0, support_copper = 0;
6656 6657

	cmd->supported = SUPPORTED_Autoneg;
6658
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6659 6660 6661 6662 6663 6664 6665 6666
		support_serdes = 1;
		support_copper = 1;
	} else if (bp->phy_port == PORT_FIBRE)
		support_serdes = 1;
	else
		support_copper = 1;

	if (support_serdes) {
6667 6668
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;
6669
		if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6670
			cmd->supported |= SUPPORTED_2500baseX_Full;
6671 6672

	}
6673
	if (support_copper) {
6674 6675 6676 6677 6678 6679 6680 6681 6682
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

	}

6683 6684
	spin_lock_bh(&bp->phy_lock);
	cmd->port = bp->phy_port;
6685 6686 6687 6688 6689 6690 6691 6692 6693 6694 6695 6696 6697 6698 6699 6700 6701
	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;
	}
6702
	spin_unlock_bh(&bp->phy_lock);
6703 6704 6705 6706 6707 6708

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

	return 0;
}
6709

6710 6711 6712
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
6713
	struct bnx2 *bp = netdev_priv(dev);
6714 6715 6716 6717
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;
6718 6719 6720 6721 6722 6723 6724
	int err = -EINVAL;

	spin_lock_bh(&bp->phy_lock);

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

6725 6726
	if (cmd->port != bp->phy_port &&
	    !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6727
		goto err_out_unlock;
6728

6729 6730 6731 6732 6733 6734
	/* 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;

6735 6736 6737
	if (cmd->autoneg == AUTONEG_ENABLE) {
		autoneg |= AUTONEG_SPEED;

6738 6739 6740 6741
		advertising = cmd->advertising;
		if (cmd->port == PORT_TP) {
			advertising &= ETHTOOL_ALL_COPPER_SPEED;
			if (!advertising)
6742
				advertising = ETHTOOL_ALL_COPPER_SPEED;
6743 6744 6745 6746
		} else {
			advertising &= ETHTOOL_ALL_FIBRE_SPEED;
			if (!advertising)
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
6747 6748 6749 6750
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
6751
		if (cmd->port == PORT_FIBRE) {
M
Michael Chan 已提交
6752 6753 6754
			if ((cmd->speed != SPEED_1000 &&
			     cmd->speed != SPEED_2500) ||
			    (cmd->duplex != DUPLEX_FULL))
6755
				goto err_out_unlock;
M
Michael Chan 已提交
6756 6757

			if (cmd->speed == SPEED_2500 &&
6758
			    !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6759
				goto err_out_unlock;
6760
		}
6761 6762 6763
		else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
			goto err_out_unlock;

6764 6765 6766 6767 6768 6769 6770 6771 6772 6773 6774
		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;

6775 6776 6777 6778 6779 6780
	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);
6781

6782
err_out_unlock:
6783
	spin_unlock_bh(&bp->phy_lock);
6784

6785
	return err;
6786 6787 6788 6789 6790
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
6791
	struct bnx2 *bp = netdev_priv(dev);
6792 6793 6794 6795

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
6796
	strcpy(info->fw_version, bp->fw_version);
6797 6798
}

M
Michael Chan 已提交
6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856
#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;
		}
	}
}

6857 6858 6859
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
6860
	struct bnx2 *bp = netdev_priv(dev);
6861

6862
	if (bp->flags & BNX2_FLAG_NO_WOL) {
6863 6864 6865 6866 6867 6868 6869 6870 6871 6872 6873 6874 6875 6876 6877 6878
		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
6879
	struct bnx2 *bp = netdev_priv(dev);
6880 6881 6882 6883 6884

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

	if (wol->wolopts & WAKE_MAGIC) {
6885
		if (bp->flags & BNX2_FLAG_NO_WOL)
6886 6887 6888 6889 6890 6891 6892 6893 6894 6895 6896 6897 6898
			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
6899
	struct bnx2 *bp = netdev_priv(dev);
6900 6901
	u32 bmcr;

6902 6903 6904
	if (!netif_running(dev))
		return -EAGAIN;

6905 6906 6907 6908
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		return -EINVAL;
	}

6909
	spin_lock_bh(&bp->phy_lock);
6910

6911
	if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6912 6913 6914 6915 6916 6917 6918
		int rc;

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

6919
	/* Force a link down visible on the other side */
6920
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6921
		bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6922
		spin_unlock_bh(&bp->phy_lock);
6923 6924 6925

		msleep(20);

6926
		spin_lock_bh(&bp->phy_lock);
6927

M
Michael Chan 已提交
6928
		bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
6929 6930
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
6931 6932
	}

6933
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6934
	bmcr &= ~BMCR_LOOPBACK;
6935
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6936

6937
	spin_unlock_bh(&bp->phy_lock);
6938 6939 6940 6941

	return 0;
}

6942 6943 6944 6945 6946 6947 6948 6949
static u32
bnx2_get_link(struct net_device *dev)
{
	struct bnx2 *bp = netdev_priv(dev);

	return bp->link_up;
}

6950 6951 6952
static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
6953
	struct bnx2 *bp = netdev_priv(dev);
6954

M
Michael Chan 已提交
6955
	if (bp->flash_info == NULL)
6956 6957
		return 0;

M
Michael Chan 已提交
6958
	return (int) bp->flash_size;
6959 6960 6961 6962 6963 6964
}

static int
bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
6965
	struct bnx2 *bp = netdev_priv(dev);
6966 6967
	int rc;

6968 6969 6970
	if (!netif_running(dev))
		return -EAGAIN;

6971
	/* parameters already validated in ethtool_get_eeprom */
6972 6973 6974 6975 6976 6977 6978 6979 6980 6981

	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
6982
	struct bnx2 *bp = netdev_priv(dev);
6983 6984
	int rc;

6985 6986 6987
	if (!netif_running(dev))
		return -EAGAIN;

6988
	/* parameters already validated in ethtool_set_eeprom */
6989 6990 6991 6992 6993 6994 6995 6996 6997

	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
6998
	struct bnx2 *bp = netdev_priv(dev);
6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018 7019

	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
7020
	struct bnx2 *bp = netdev_priv(dev);
7021 7022 7023 7024

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

7025
	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043 7044 7045 7046 7047 7048
	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;
7049
	if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
7050 7051 7052
		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
			bp->stats_ticks = USEC_PER_SEC;
	}
7053 7054 7055
	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;
7056 7057 7058

	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
7059
		bnx2_init_nic(bp, 0);
7060 7061 7062 7063 7064 7065 7066 7067 7068
		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
7069
	struct bnx2 *bp = netdev_priv(dev);
7070

7071
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
7072
	ering->rx_mini_max_pending = 0;
7073
	ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
7074 7075 7076

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
7077
	ering->rx_jumbo_pending = bp->rx_pg_ring_size;
7078 7079 7080 7081 7082 7083

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

static int
7084
bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
7085
{
7086
	if (netif_running(bp->dev)) {
7087 7088 7089
		/* Reset will erase chipset stats; save them */
		bnx2_save_stats(bp);

7090 7091 7092 7093 7094 7095
		bnx2_netif_stop(bp);
		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
	}

7096 7097
	bnx2_set_rx_ring_size(bp, rx);
	bp->tx_ring_size = tx;
7098 7099

	if (netif_running(bp->dev)) {
7100 7101 7102
		int rc;

		rc = bnx2_alloc_mem(bp);
7103 7104 7105 7106 7107 7108
		if (!rc)
			rc = bnx2_init_nic(bp, 0);

		if (rc) {
			bnx2_napi_enable(bp);
			dev_close(bp->dev);
7109
			return rc;
7110
		}
7111 7112 7113 7114 7115 7116 7117
#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
7118 7119 7120 7121 7122
		bnx2_netif_start(bp);
	}
	return 0;
}

7123 7124 7125 7126 7127 7128 7129 7130 7131 7132 7133 7134 7135 7136 7137 7138
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;
}

7139 7140 7141
static void
bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
7142
	struct bnx2 *bp = netdev_priv(dev);
7143 7144 7145 7146 7147 7148 7149 7150 7151

	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
7152
	struct bnx2 *bp = netdev_priv(dev);
7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165 7166

	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;
	}

7167 7168 7169 7170 7171
	if (netif_running(dev)) {
		spin_lock_bh(&bp->phy_lock);
		bnx2_setup_phy(bp, bp->phy_port);
		spin_unlock_bh(&bp->phy_lock);
	}
7172 7173 7174 7175 7176 7177 7178

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
7179
	struct bnx2 *bp = netdev_priv(dev);
7180 7181 7182 7183 7184 7185 7186

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
7187
	struct bnx2 *bp = netdev_priv(dev);
7188 7189 7190 7191 7192

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
7193 7194 7195
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
7196 7197 7198
	struct bnx2 *bp = netdev_priv(dev);

	if (data) {
M
Michael Chan 已提交
7199
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7200 7201 7202 7203 7204
		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
7205 7206 7207
	return 0;
}

7208
static struct {
7209
	char string[ETH_GSTRING_LEN];
M
Michael Chan 已提交
7210
} bnx2_stats_str_arr[] = {
7211 7212 7213 7214 7215 7216 7217 7218 7219 7220 7221 7222 7223 7224 7225 7226 7227 7228 7229 7230 7231 7232 7233 7234 7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245 7246 7247 7248 7249 7250 7251 7252 7253 7254
	{ "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
7255
	{ "rx_ftq_discards" },
7256
	{ "rx_discards" },
M
Michael Chan 已提交
7257
	{ "rx_fw_discards" },
7258 7259
};

M
Michael Chan 已提交
7260 7261 7262
#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
			sizeof(bnx2_stats_str_arr[0]))

7263 7264
#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)

7265
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
7266 7267 7268 7269 7270 7271 7272 7273 7274 7275 7276
    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),
7277 7278 7279 7280 7281 7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292 7293 7294 7295 7296 7297 7298 7299 7300 7301 7302 7303 7304 7305 7306 7307 7308 7309
    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
7310
    STATS_OFFSET32(stat_IfInFTQDiscards),
7311
    STATS_OFFSET32(stat_IfInMBUFDiscards),
M
Michael Chan 已提交
7312
    STATS_OFFSET32(stat_FwRxDrop),
7313 7314 7315 7316
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
7317
 */
7318
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
7319 7320 7321 7322
	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
7323
	4,4,4,4,4,4,4,
7324 7325
};

M
Michael Chan 已提交
7326 7327 7328 7329 7330
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
7331
	4,4,4,4,4,4,4,
M
Michael Chan 已提交
7332 7333
};

7334 7335
#define BNX2_NUM_TESTS 6

7336
static struct {
7337 7338 7339 7340 7341 7342 7343 7344 7345 7346 7347
	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
7348
bnx2_get_sset_count(struct net_device *dev, int sset)
7349
{
7350 7351 7352 7353 7354 7355 7356 7357
	switch (sset) {
	case ETH_SS_TEST:
		return BNX2_NUM_TESTS;
	case ETH_SS_STATS:
		return BNX2_NUM_STATS;
	default:
		return -EOPNOTSUPP;
	}
7358 7359 7360 7361 7362
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
7363
	struct bnx2 *bp = netdev_priv(dev);
7364

7365 7366
	bnx2_set_power_state(bp, PCI_D0);

7367 7368
	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
M
Michael Chan 已提交
7369 7370
		int i;

7371 7372 7373 7374 7375 7376 7377 7378 7379 7380 7381 7382
		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
7383
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
7384 7385
			etest->flags |= ETH_TEST_FL_FAILED;

7386 7387
		if (!netif_running(bp->dev))
			bnx2_shutdown_chip(bp);
7388
		else {
7389
			bnx2_init_nic(bp, 1);
7390 7391 7392 7393
			bnx2_netif_start(bp);
		}

		/* wait for link up */
M
Michael Chan 已提交
7394 7395 7396 7397 7398
		for (i = 0; i < 7; i++) {
			if (bp->link_up)
				break;
			msleep_interruptible(1000);
		}
7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412 7413 7414
	}

	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;

	}
7415 7416
	if (!netif_running(bp->dev))
		bnx2_set_power_state(bp, PCI_D3hot);
7417 7418 7419 7420 7421 7422 7423 7424 7425 7426 7427 7428 7429 7430 7431 7432 7433 7434 7435 7436 7437
}

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
7438
	struct bnx2 *bp = netdev_priv(dev);
7439 7440
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
7441
	u32 *temp_stats = (u32 *) bp->temp_stats_blk;
7442
	u8 *stats_len_arr = NULL;
7443 7444 7445 7446 7447 7448

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

M
Michael Chan 已提交
7449 7450 7451 7452
	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))
7453
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
7454 7455
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
7456 7457

	for (i = 0; i < BNX2_NUM_STATS; i++) {
7458 7459
		unsigned long offset;

7460 7461 7462 7463 7464
		if (stats_len_arr[i] == 0) {
			/* skip this counter */
			buf[i] = 0;
			continue;
		}
7465 7466

		offset = bnx2_stats_offset_arr[i];
7467 7468
		if (stats_len_arr[i] == 4) {
			/* 4-byte counter */
7469 7470
			buf[i] = (u64) *(hw_stats + offset) +
				 *(temp_stats + offset);
7471 7472 7473
			continue;
		}
		/* 8-byte counter */
7474 7475 7476 7477
		buf[i] = (((u64) *(hw_stats + offset)) << 32) +
			 *(hw_stats + offset + 1) +
			 (((u64) *(temp_stats + offset)) << 32) +
			 *(temp_stats + offset + 1);
7478 7479 7480 7481 7482 7483
	}
}

static int
bnx2_phys_id(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
7484
	struct bnx2 *bp = netdev_priv(dev);
7485 7486 7487
	int i;
	u32 save;

7488 7489
	bnx2_set_power_state(bp, PCI_D0);

7490 7491 7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513
	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);
7514 7515 7516 7517

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

7518 7519 7520
	return 0;
}

7521 7522 7523 7524 7525 7526
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)
7527
		return (ethtool_op_set_tx_ipv6_csum(dev, data));
7528 7529 7530 7531
	else
		return (ethtool_op_set_tx_csum(dev, data));
}

7532
static const struct ethtool_ops bnx2_ethtool_ops = {
7533 7534 7535
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
7536 7537
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
7538 7539 7540
	.get_wol		= bnx2_get_wol,
	.set_wol		= bnx2_set_wol,
	.nway_reset		= bnx2_nway_reset,
7541
	.get_link		= bnx2_get_link,
7542 7543 7544 7545 7546 7547 7548 7549 7550 7551 7552
	.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,
7553
	.set_tx_csum		= bnx2_set_tx_csum,
7554
	.set_sg			= ethtool_op_set_sg,
M
Michael Chan 已提交
7555
	.set_tso		= bnx2_set_tso,
7556 7557 7558 7559
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
7560
	.get_sset_count		= bnx2_get_sset_count,
7561 7562 7563 7564 7565 7566
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
7567
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
7568
	struct bnx2 *bp = netdev_priv(dev);
7569 7570 7571 7572 7573 7574 7575 7576 7577 7578
	int err;

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

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

7579
		if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7580 7581
			return -EOPNOTSUPP;

7582 7583 7584
		if (!netif_running(dev))
			return -EAGAIN;

7585
		spin_lock_bh(&bp->phy_lock);
7586
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
7587
		spin_unlock_bh(&bp->phy_lock);
7588 7589 7590 7591 7592 7593 7594

		data->val_out = mii_regval;

		return err;
	}

	case SIOCSMIIREG:
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_write_phy(bp, data->reg_num & 0x1f, data->val_in);
7603
		spin_unlock_bh(&bp->phy_lock);
7604 7605 7606 7607 7608 7609 7610 7611 7612 7613 7614 7615 7616 7617 7618

		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
7619
	struct bnx2 *bp = netdev_priv(dev);
7620

7621 7622 7623
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

7624 7625
	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
	if (netif_running(dev))
7626
		bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
7627 7628 7629 7630 7631 7632 7633 7634

	return 0;
}

/* Called with rtnl_lock */
static int
bnx2_change_mtu(struct net_device *dev, int new_mtu)
{
M
Michael Chan 已提交
7635
	struct bnx2 *bp = netdev_priv(dev);
7636 7637 7638 7639 7640 7641

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

	dev->mtu = new_mtu;
7642
	return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
7643 7644
}

A
Alexey Dobriyan 已提交
7645
#ifdef CONFIG_NET_POLL_CONTROLLER
7646 7647 7648
static void
poll_bnx2(struct net_device *dev)
{
M
Michael Chan 已提交
7649
	struct bnx2 *bp = netdev_priv(dev);
7650
	int i;
7651

7652
	for (i = 0; i < bp->irq_nvecs; i++) {
7653 7654 7655 7656 7657
		struct bnx2_irq *irq = &bp->irq_tbl[i];

		disable_irq(irq->vector);
		irq->handler(irq->vector, &bp->bnx2_napi[i]);
		enable_irq(irq->vector);
7658
	}
7659 7660 7661
}
#endif

7662 7663 7664 7665 7666 7667 7668 7669 7670 7671
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) {
7672
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7673 7674 7675 7676 7677 7678 7679 7680 7681 7682 7683 7684 7685
		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:
7686
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7687 7688 7689 7690 7691 7692 7693
			return;
		}
	} else {
		switch (strap) {
		case 0x1:
		case 0x2:
		case 0x4:
7694
			bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7695 7696 7697 7698 7699
			return;
		}
	}
}

7700 7701 7702 7703 7704 7705 7706 7707 7708
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;

7709
		bp->flags |= BNX2_FLAG_PCIX;
7710 7711 7712 7713 7714 7715 7716 7717 7718 7719 7720 7721 7722 7723 7724 7725 7726 7727 7728 7729 7730 7731 7732 7733 7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747

		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)
7748
		bp->flags |= BNX2_FLAG_PCI_32BIT;
7749 7750 7751

}

7752 7753 7754
static void __devinit
bnx2_read_vpd_fw_ver(struct bnx2 *bp)
{
M
Matt Carlson 已提交
7755
	int rc, i, j;
7756
	u8 *data;
M
Matt Carlson 已提交
7757
	unsigned int block_end, rosize, len;
7758

M
Michael Chan 已提交
7759 7760
#define BNX2_VPD_NVRAM_OFFSET	0x300
#define BNX2_VPD_LEN		128
7761 7762 7763 7764 7765 7766
#define BNX2_MAX_VER_SLEN	30

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

M
Michael Chan 已提交
7767 7768
	rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
			     BNX2_VPD_LEN);
7769 7770 7771
	if (rc)
		goto vpd_done;

M
Michael Chan 已提交
7772 7773 7774 7775 7776
	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];
7777 7778
	}

M
Matt Carlson 已提交
7779 7780 7781
	i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
	if (i < 0)
		goto vpd_done;
7782

M
Matt Carlson 已提交
7783 7784 7785
	rosize = pci_vpd_lrdt_size(&data[i]);
	i += PCI_VPD_LRDT_TAG_SIZE;
	block_end = i + rosize;
7786

M
Matt Carlson 已提交
7787 7788
	if (block_end > BNX2_VPD_LEN)
		goto vpd_done;
7789

M
Matt Carlson 已提交
7790 7791 7792 7793
	j = pci_vpd_find_info_keyword(data, i, rosize,
				      PCI_VPD_RO_KEYWORD_MFR_ID);
	if (j < 0)
		goto vpd_done;
7794

M
Matt Carlson 已提交
7795
	len = pci_vpd_info_field_size(&data[j]);
7796

M
Matt Carlson 已提交
7797 7798 7799 7800
	j += PCI_VPD_INFO_FLD_HDR_SIZE;
	if (j + len > block_end || len != 4 ||
	    memcmp(&data[j], "1028", 4))
		goto vpd_done;
7801

M
Matt Carlson 已提交
7802 7803 7804 7805
	j = pci_vpd_find_info_keyword(data, i, rosize,
				      PCI_VPD_RO_KEYWORD_VENDOR0);
	if (j < 0)
		goto vpd_done;
7806

M
Matt Carlson 已提交
7807
	len = pci_vpd_info_field_size(&data[j]);
7808

M
Matt Carlson 已提交
7809 7810
	j += PCI_VPD_INFO_FLD_HDR_SIZE;
	if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
7811
		goto vpd_done;
M
Matt Carlson 已提交
7812 7813 7814

	memcpy(bp->fw_version, &data[j], len);
	bp->fw_version[len] = ' ';
7815 7816 7817 7818 7819

vpd_done:
	kfree(data);
}

7820 7821 7822 7823 7824
static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
7825
	int rc, i, j;
7826
	u32 reg;
7827
	u64 dma_mask, persist_dma_mask;
7828 7829

	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
7830
	bp = netdev_priv(dev);
7831 7832 7833 7834

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

7835 7836 7837 7838 7839 7840 7841 7842
	bp->temp_stats_blk =
		kzalloc(sizeof(struct statistics_block), GFP_KERNEL);

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

7843 7844 7845
	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
7846
		dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
7847 7848 7849 7850
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7851
		dev_err(&pdev->dev,
7852
			"Cannot find PCI device base address, aborting\n");
7853 7854 7855 7856 7857 7858
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
7859
		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
7860 7861 7862 7863
		goto err_out_disable;
	}

	pci_set_master(pdev);
W
Wendy Xiong 已提交
7864
	pci_save_state(pdev);
7865 7866 7867

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
7868
		dev_err(&pdev->dev,
7869
			"Cannot find power management capability, aborting\n");
7870 7871 7872 7873 7874 7875 7876 7877
		rc = -EIO;
		goto err_out_release;
	}

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

	spin_lock_init(&bp->phy_lock);
M
Michael Chan 已提交
7878
	spin_lock_init(&bp->indirect_lock);
7879 7880 7881
#ifdef BCM_CNIC
	mutex_init(&bp->cnic_lock);
#endif
D
David Howells 已提交
7882
	INIT_WORK(&bp->reset_task, bnx2_reset_task);
7883 7884

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7885
	mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
7886 7887 7888 7889 7890 7891
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

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

	if (!bp->regview) {
7892
		dev_err(&pdev->dev, "Cannot map register space, aborting\n");
7893 7894 7895 7896 7897 7898 7899 7900 7901 7902 7903 7904
		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);

7905
	bnx2_set_power_state(bp, PCI_D0);
7906 7907 7908

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

7909 7910 7911
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
			dev_err(&pdev->dev,
7912
				"Cannot find PCIE capability, aborting\n");
7913 7914 7915
			rc = -EIO;
			goto err_out_unmap;
		}
7916
		bp->flags |= BNX2_FLAG_PCIE;
7917
		if (CHIP_REV(bp) == CHIP_REV_Ax)
7918
			bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7919
	} else {
M
Michael Chan 已提交
7920 7921 7922
		bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
		if (bp->pcix_cap == 0) {
			dev_err(&pdev->dev,
7923
				"Cannot find PCIX capability, aborting\n");
M
Michael Chan 已提交
7924 7925 7926
			rc = -EIO;
			goto err_out_unmap;
		}
7927
		bp->flags |= BNX2_FLAG_BROKEN_STATS;
M
Michael Chan 已提交
7928 7929
	}

7930 7931
	if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7932
			bp->flags |= BNX2_FLAG_MSIX_CAP;
7933 7934
	}

7935 7936
	if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7937
			bp->flags |= BNX2_FLAG_MSI_CAP;
7938 7939
	}

7940 7941
	/* 5708 cannot support DMA addresses > 40-bit.  */
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
7942
		persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
7943
	else
7944
		persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
7945 7946 7947 7948 7949 7950 7951

	/* 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,
7952
				"pci_set_consistent_dma_mask failed, aborting\n");
7953 7954
			goto err_out_unmap;
		}
7955
	} else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
7956
		dev_err(&pdev->dev, "System does not support DMA, aborting\n");
7957 7958 7959
		goto err_out_unmap;
	}

7960
	if (!(bp->flags & BNX2_FLAG_PCIE))
7961
		bnx2_get_pci_speed(bp);
7962 7963 7964 7965 7966 7967 7968 7969

	/* 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) &&
7970
		!(bp->flags & BNX2_FLAG_PCIX)) {
7971

7972
		dev_err(&pdev->dev,
7973
			"5706 A1 can only be used in a PCIX bus, aborting\n");
7974 7975 7976 7977 7978
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

7979
	reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7980 7981

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7982 7983 7984
	    BNX2_SHM_HDR_SIGNATURE_SIG) {
		u32 off = PCI_FUNC(pdev->devfn) << 2;

7985
		bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7986
	} else
7987 7988
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

7989 7990 7991
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
7992
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7993 7994 7995

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7996
		dev_err(&pdev->dev, "Firmware not running, aborting\n");
7997 7998 7999 8000
		rc = -ENODEV;
		goto err_out_unmap;
	}

8001 8002 8003
	bnx2_read_vpd_fw_ver(bp);

	j = strlen(bp->fw_version);
8004
	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
8005
	for (i = 0; i < 3 && j < 24; i++) {
8006 8007
		u8 num, k, skip0;

8008 8009 8010 8011 8012
		if (i == 0) {
			bp->fw_version[j++] = 'b';
			bp->fw_version[j++] = 'c';
			bp->fw_version[j++] = ' ';
		}
8013 8014 8015 8016 8017 8018 8019 8020 8021 8022
		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++] = '.';
	}
8023
	reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
M
Michael Chan 已提交
8024 8025 8026 8027
	if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
		bp->wol = 1;

	if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
8028
		bp->flags |= BNX2_FLAG_ASF_ENABLE;
8029 8030

		for (i = 0; i < 30; i++) {
8031
			reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
8032 8033 8034 8035 8036
			if (reg & BNX2_CONDITION_MFW_RUN_MASK)
				break;
			msleep(10);
		}
	}
8037
	reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
8038 8039 8040
	reg &= BNX2_CONDITION_MFW_RUN_MASK;
	if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
	    reg != BNX2_CONDITION_MFW_RUN_NONE) {
8041
		u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
8042

8043 8044 8045
		if (j < 32)
			bp->fw_version[j++] = ' ';
		for (i = 0; i < 3 && j < 28; i++) {
8046
			reg = bnx2_reg_rd_ind(bp, addr + i * 4);
8047 8048 8049 8050 8051
			reg = swab32(reg);
			memcpy(&bp->fw_version[j], &reg, 4);
			j += 4;
		}
	}
8052

8053
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
8054 8055 8056
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

8057
	reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
8058 8059 8060 8061 8062 8063
	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;
8064
	bnx2_set_rx_ring_size(bp, 255);
8065 8066 8067

	bp->rx_csum = 1;

8068
	bp->tx_quick_cons_trip_int = 2;
8069
	bp->tx_quick_cons_trip = 20;
8070
	bp->tx_ticks_int = 18;
8071
	bp->tx_ticks = 80;
8072

8073 8074
	bp->rx_quick_cons_trip_int = 2;
	bp->rx_quick_cons_trip = 12;
8075 8076 8077
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

8078
	bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
8079

8080
	bp->current_interval = BNX2_TIMER_INTERVAL;
8081

M
Michael Chan 已提交
8082 8083
	bp->phy_addr = 1;

8084
	/* Disable WOL support if we are running on a SERDES chip. */
8085 8086 8087
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_get_5709_media(bp);
	else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
8088
		bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
M
Michael Chan 已提交
8089

8090
	bp->phy_port = PORT_TP;
8091
	if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
8092
		bp->phy_port = PORT_FIBRE;
8093
		reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
M
Michael Chan 已提交
8094
		if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
8095
			bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
8096 8097
			bp->wol = 0;
		}
8098 8099 8100 8101 8102 8103 8104 8105 8106
		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
8107 8108
			bp->phy_addr = 2;
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
8109
				bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
M
Michael Chan 已提交
8110
		}
8111 8112
	} else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
		   CHIP_NUM(bp) == CHIP_NUM_5708)
8113
		bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
8114 8115 8116
	else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
		 (CHIP_REV(bp) == CHIP_REV_Ax ||
		  CHIP_REV(bp) == CHIP_REV_Bx))
8117
		bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
8118

8119 8120
	bnx2_init_fw_cap(bp);

8121 8122
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
M
Michael Chan 已提交
8123 8124
	    (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
	    !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
8125
		bp->flags |= BNX2_FLAG_NO_WOL;
M
Michael Chan 已提交
8126 8127
		bp->wol = 0;
	}
M
Michael Chan 已提交
8128

8129 8130 8131 8132 8133 8134 8135 8136 8137 8138 8139 8140
	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;
	}

8141 8142 8143 8144 8145 8146 8147 8148
	/* 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
8149
	 * prefers to locally disable MSI rather than globally disabling it.
8150 8151 8152 8153 8154 8155 8156 8157
	 */
	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))) {

8158 8159
			if (amd_8132->revision >= 0x10 &&
			    amd_8132->revision <= 0x13) {
8160 8161 8162 8163 8164 8165 8166
				disable_msi = 1;
				pci_dev_put(amd_8132);
				break;
			}
		}
	}

8167
	bnx2_set_default_link(bp);
8168 8169
	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
8170
	init_timer(&bp->timer);
8171
	bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
M
Michael Chan 已提交
8172 8173 8174
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

8175 8176 8177 8178 8179
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
8180
		bp->regview = NULL;
8181 8182 8183 8184 8185 8186 8187 8188 8189 8190 8191 8192 8193
	}

err_out_release:
	pci_release_regions(pdev);

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

err_out:
	return rc;
}

8194 8195 8196 8197 8198
static char * __devinit
bnx2_bus_string(struct bnx2 *bp, char *str)
{
	char *s = str;

8199
	if (bp->flags & BNX2_FLAG_PCIE) {
8200 8201 8202
		s += sprintf(s, "PCI Express");
	} else {
		s += sprintf(s, "PCI");
8203
		if (bp->flags & BNX2_FLAG_PCIX)
8204
			s += sprintf(s, "-X");
8205
		if (bp->flags & BNX2_FLAG_PCI_32BIT)
8206 8207 8208 8209 8210 8211 8212 8213
			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
8214
static void __devinit
8215 8216
bnx2_init_napi(struct bnx2 *bp)
{
8217
	int i;
8218

B
Benjamin Li 已提交
8219
	for (i = 0; i < bp->irq_nvecs; i++) {
8220 8221 8222 8223 8224 8225
		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
		int (*poll)(struct napi_struct *, int);

		if (i == 0)
			poll = bnx2_poll;
		else
8226
			poll = bnx2_poll_msix;
8227 8228

		netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
8229 8230
		bnapi->bp = bp;
	}
8231 8232
}

8233 8234 8235 8236 8237 8238 8239 8240 8241 8242 8243 8244 8245 8246
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
8247
#ifdef CONFIG_NET_POLL_CONTROLLER
8248 8249 8250 8251
	.ndo_poll_controller	= poll_bnx2,
#endif
};

E
Eric Dumazet 已提交
8252 8253 8254 8255 8256 8257 8258
static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
{
#ifdef BCM_VLAN
	dev->vlan_features |= flags;
#endif
}

8259 8260 8261 8262 8263 8264
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;
8265
	int rc;
8266
	char str[40];
8267 8268

	if (version_printed++ == 0)
8269
		pr_info("%s", version);
8270 8271

	/* dev zeroed in init_etherdev */
B
Benjamin Li 已提交
8272
	dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
8273 8274 8275 8276 8277 8278 8279 8280 8281 8282

	if (!dev)
		return -ENOMEM;

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

8283
	dev->netdev_ops = &bnx2_netdev_ops;
8284 8285 8286
	dev->watchdog_timeo = TX_TIMEOUT;
	dev->ethtool_ops = &bnx2_ethtool_ops;

M
Michael Chan 已提交
8287
	bp = netdev_priv(dev);
8288

8289 8290
	pci_set_drvdata(pdev, dev);

M
Michael Chan 已提交
8291 8292 8293 8294
	rc = bnx2_request_firmware(bp);
	if (rc)
		goto error;

8295 8296 8297
	memcpy(dev->dev_addr, bp->mac_addr, 6);
	memcpy(dev->perm_addr, bp->mac_addr, 6);

8298
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
E
Eric Dumazet 已提交
8299 8300
	vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
8301
		dev->features |= NETIF_F_IPV6_CSUM;
E
Eric Dumazet 已提交
8302 8303
		vlan_features_add(dev, NETIF_F_IPV6_CSUM);
	}
8304 8305 8306 8307
#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
8308 8309
	vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
8310
		dev->features |= NETIF_F_TSO6;
E
Eric Dumazet 已提交
8311 8312
		vlan_features_add(dev, NETIF_F_TSO6);
	}
8313
	if ((rc = register_netdev(dev))) {
8314
		dev_err(&pdev->dev, "Cannot register net device\n");
M
Michael Chan 已提交
8315
		goto error;
8316 8317
	}

8318 8319 8320 8321 8322 8323 8324
	netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n",
		    board_info[ent->driver_data].name,
		    ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		    ((CHIP_ID(bp) & 0x0ff0) >> 4),
		    bnx2_bus_string(bp, str),
		    dev->base_addr,
		    bp->pdev->irq, dev->dev_addr);
8325 8326

	return 0;
M
Michael Chan 已提交
8327 8328 8329 8330 8331 8332 8333 8334 8335 8336 8337 8338 8339 8340

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;
8341 8342 8343 8344 8345 8346
}

static void __devexit
bnx2_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8347
	struct bnx2 *bp = netdev_priv(dev);
8348

8349 8350
	flush_scheduled_work();

8351 8352
	unregister_netdev(dev);

M
Michael Chan 已提交
8353 8354 8355 8356 8357
	if (bp->mips_firmware)
		release_firmware(bp->mips_firmware);
	if (bp->rv2p_firmware)
		release_firmware(bp->rv2p_firmware);

8358 8359 8360
	if (bp->regview)
		iounmap(bp->regview);

8361 8362
	kfree(bp->temp_stats_blk);

8363 8364 8365 8366 8367 8368 8369
	free_netdev(dev);
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

static int
8370
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
8371 8372
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8373
	struct bnx2 *bp = netdev_priv(dev);
8374

8375 8376 8377 8378 8379
	/* 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);
8380 8381 8382
	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
8383
	flush_scheduled_work();
8384 8385 8386
	bnx2_netif_stop(bp);
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
8387
	bnx2_shutdown_chip(bp);
8388
	bnx2_free_skbs(bp);
8389
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
8390 8391 8392 8393 8394 8395 8396
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
8397
	struct bnx2 *bp = netdev_priv(dev);
8398

8399
	pci_restore_state(pdev);
8400 8401 8402
	if (!netif_running(dev))
		return 0;

8403
	bnx2_set_power_state(bp, PCI_D0);
8404
	netif_device_attach(dev);
8405
	bnx2_init_nic(bp, 1);
8406 8407 8408 8409
	bnx2_netif_start(bp);
	return 0;
}

W
Wendy Xiong 已提交
8410 8411 8412 8413 8414 8415 8416 8417 8418 8419 8420 8421 8422 8423 8424 8425 8426
/**
 * 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);

8427 8428 8429 8430 8431
	if (state == pci_channel_io_perm_failure) {
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

W
Wendy Xiong 已提交
8432 8433 8434 8435 8436 8437 8438 8439 8440 8441 8442 8443 8444 8445 8446 8447 8448 8449 8450 8451 8452 8453 8454 8455 8456 8457 8458
	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,
8459
			"Cannot re-enable PCI device after reset\n");
W
Wendy Xiong 已提交
8460 8461 8462 8463 8464
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}
	pci_set_master(pdev);
	pci_restore_state(pdev);
B
Breno Leitao 已提交
8465
	pci_save_state(pdev);
W
Wendy Xiong 已提交
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 8494 8495 8496 8497 8498 8499 8500 8501

	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,
};

8502
static struct pci_driver bnx2_pci_driver = {
8503 8504 8505 8506 8507 8508
	.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
8509
	.err_handler	= &bnx2_err_handler,
8510 8511 8512 8513
};

static int __init bnx2_init(void)
{
8514
	return pci_register_driver(&bnx2_pci_driver);
8515 8516 8517 8518 8519 8520 8521 8522 8523 8524 8525 8526
}

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

module_init(bnx2_init);
module_exit(bnx2_cleanup);