bnx2x_main.c 278.7 KB
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/* bnx2x_main.c: Broadcom Everest network driver.
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 *
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 * Copyright (c) 2007-2008 Broadcom Corporation
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
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 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
 * Written by: Eliezer Tamir
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 * Based on code from Michael Chan's bnx2 driver
 * UDP CSUM errata workaround by Arik Gendelman
 * Slowpath rework by Vladislav Zolotarov
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 * Statistics and Link management by Yitchak Gertner
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 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/device.h>  /* for dev_info() */
#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>
#include <linux/bitops.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <linux/time.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#ifdef NETIF_F_HW_VLAN_TX
	#include <linux/if_vlan.h>
#endif
#include <net/ip.h>
#include <net/tcp.h>
#include <net/checksum.h>
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#include <linux/version.h>
#include <net/ip6_checksum.h>
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#include <linux/workqueue.h>
#include <linux/crc32.h>
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#include <linux/crc32c.h>
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#include <linux/prefetch.h>
#include <linux/zlib.h>
#include <linux/io.h>

#include "bnx2x_reg.h"
#include "bnx2x_fw_defs.h"
#include "bnx2x_hsi.h"
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#include "bnx2x_link.h"
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#include "bnx2x.h"
#include "bnx2x_init.h"

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#define DRV_MODULE_VERSION      "1.45.6"
#define DRV_MODULE_RELDATE      "2008/06/23"
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#define BNX2X_BC_VER		0x040200
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/* 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 5771x 10Gigabit Ethernet Driver "
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	DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";

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MODULE_AUTHOR("Eliezer Tamir");
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MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);

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static int disable_tpa;
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static int use_inta;
static int poll;
static int debug;
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static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
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static int use_multi;

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module_param(disable_tpa, int, 0);
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module_param(use_inta, int, 0);
module_param(poll, int, 0);
module_param(debug, int, 0);
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MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
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MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
MODULE_PARM_DESC(poll, "use polling (for debug)");
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MODULE_PARM_DESC(debug, "default debug msglevel");
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#ifdef BNX2X_MULTI
module_param(use_multi, int, 0);
MODULE_PARM_DESC(use_multi, "use per-CPU queues");
#endif

enum bnx2x_board_type {
	BCM57710 = 0,
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	BCM57711 = 1,
	BCM57711E = 2,
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};

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/* indexed by board_type, above */
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static struct {
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	char *name;
} board_info[] __devinitdata = {
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	{ "Broadcom NetXtreme II BCM57710 XGb" },
	{ "Broadcom NetXtreme II BCM57711 XGb" },
	{ "Broadcom NetXtreme II BCM57711E XGb" }
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};

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static const struct pci_device_id bnx2x_pci_tbl[] = {
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
		PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
		PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
		PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
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	{ 0 }
};

MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);

/****************************************************************************
* General service functions
****************************************************************************/

/* used only at init
 * locking is done by mcp
 */
static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
{
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);
}

static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
{
	u32 val;

	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
	pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);

	return val;
}

static const u32 dmae_reg_go_c[] = {
	DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
	DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
	DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
	DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
};

/* copy command into DMAE command memory and set DMAE command go */
static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
			    int idx)
{
	u32 cmd_offset;
	int i;

	cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
	for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
		REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));

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		DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
		   idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
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	}
	REG_WR(bp, dmae_reg_go_c[idx], 1);
}

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void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
		      u32 len32)
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{
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	struct dmae_command *dmae = &bp->init_dmae;
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	u32 *wb_comp = bnx2x_sp(bp, wb_comp);
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	int cnt = 200;

	if (!bp->dmae_ready) {
		u32 *data = bnx2x_sp(bp, wb_data[0]);

		DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x  len32 %d)"
		   "  using indirect\n", dst_addr, len32);
		bnx2x_init_ind_wr(bp, dst_addr, data, len32);
		return;
	}

	mutex_lock(&bp->dmae_mutex);
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	memset(dmae, 0, sizeof(struct dmae_command));

	dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
			DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
			DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
			DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
			DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
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			(BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
			(BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
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	dmae->src_addr_lo = U64_LO(dma_addr);
	dmae->src_addr_hi = U64_HI(dma_addr);
	dmae->dst_addr_lo = dst_addr >> 2;
	dmae->dst_addr_hi = 0;
	dmae->len = len32;
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
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	dmae->comp_val = DMAE_COMP_VAL;
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	DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
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	   DP_LEVEL "src_addr  [%x:%08x]  len [%d *4]  "
		    "dst_addr [%x:%08x (%08x)]\n"
	   DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
	   dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
	   dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
	   dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
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	DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
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	   bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
	   bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);

	*wb_comp = 0;

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	bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
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	udelay(5);
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	while (*wb_comp != DMAE_COMP_VAL) {
		DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);

		/* adjust delay for emulation/FPGA */
		if (CHIP_REV_IS_SLOW(bp))
			msleep(100);
		else
			udelay(5);

		if (!cnt) {
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			BNX2X_ERR("dmae timeout!\n");
			break;
		}
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		cnt--;
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	}
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	mutex_unlock(&bp->dmae_mutex);
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}

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void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
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{
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	struct dmae_command *dmae = &bp->init_dmae;
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	u32 *wb_comp = bnx2x_sp(bp, wb_comp);
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	int cnt = 200;

	if (!bp->dmae_ready) {
		u32 *data = bnx2x_sp(bp, wb_data[0]);
		int i;

		DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x  len32 %d)"
		   "  using indirect\n", src_addr, len32);
		for (i = 0; i < len32; i++)
			data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
		return;
	}

	mutex_lock(&bp->dmae_mutex);
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	memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
	memset(dmae, 0, sizeof(struct dmae_command));

	dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
			DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
			DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
			DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
			DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
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			(BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
			(BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
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	dmae->src_addr_lo = src_addr >> 2;
	dmae->src_addr_hi = 0;
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
	dmae->len = len32;
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
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	dmae->comp_val = DMAE_COMP_VAL;
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	DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
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	   DP_LEVEL "src_addr  [%x:%08x]  len [%d *4]  "
		    "dst_addr [%x:%08x (%08x)]\n"
	   DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
	   dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
	   dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
	   dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);

	*wb_comp = 0;

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	bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
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	udelay(5);
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	while (*wb_comp != DMAE_COMP_VAL) {

		/* adjust delay for emulation/FPGA */
		if (CHIP_REV_IS_SLOW(bp))
			msleep(100);
		else
			udelay(5);

		if (!cnt) {
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			BNX2X_ERR("dmae timeout!\n");
			break;
		}
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		cnt--;
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	}
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	DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
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	   bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
	   bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
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	mutex_unlock(&bp->dmae_mutex);
}

/* used only for slowpath so not inlined */
static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
{
	u32 wb_write[2];

	wb_write[0] = val_hi;
	wb_write[1] = val_lo;
	REG_WR_DMAE(bp, reg, wb_write, 2);
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}

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#ifdef USE_WB_RD
static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
{
	u32 wb_data[2];

	REG_RD_DMAE(bp, reg, wb_data, 2);

	return HILO_U64(wb_data[0], wb_data[1]);
}
#endif

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static int bnx2x_mc_assert(struct bnx2x *bp)
{
	char last_idx;
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	int i, rc = 0;
	u32 row0, row1, row2, row3;

	/* XSTORM */
	last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
			   XSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* TSTORM */
	last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
			   TSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* CSTORM */
	last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
			   CSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* USTORM */
	last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
			   USTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
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		}
	}
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	return rc;
}
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static void bnx2x_fw_dump(struct bnx2x *bp)
{
	u32 mark, offset;
	u32 data[9];
	int word;

	mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
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	mark = ((mark + 0x3) & ~0x3);
	printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
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	for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
		for (word = 0; word < 8; word++)
			data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
						  offset + 4*word));
		data[8] = 0x0;
487
		printk(KERN_CONT "%s", (char *)data);
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	}
	for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
		for (word = 0; word < 8; word++)
			data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
						  offset + 4*word));
		data[8] = 0x0;
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		printk(KERN_CONT "%s", (char *)data);
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	}
	printk("\n" KERN_ERR PFX "end of fw dump\n");
}

static void bnx2x_panic_dump(struct bnx2x *bp)
{
	int i;
	u16 j, start, end;

Y
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	bp->stats_state = STATS_STATE_DISABLED;
	DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");

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	BNX2X_ERR("begin crash dump -----------------\n");

	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];
		struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;

		BNX2X_ERR("queue[%d]: tx_pkt_prod(%x)  tx_pkt_cons(%x)"
514
			  "  tx_bd_prod(%x)  tx_bd_cons(%x)  *tx_cons_sb(%x)\n",
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			  i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
516
			  fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Y
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		BNX2X_ERR("          rx_bd_prod(%x)  rx_bd_cons(%x)"
			  "  *rx_bd_cons_sb(%x)  rx_comp_prod(%x)"
			  "  rx_comp_cons(%x)  *rx_cons_sb(%x)\n",
			  fp->rx_bd_prod, fp->rx_bd_cons,
			  le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
			  fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
		BNX2X_ERR("          rx_sge_prod(%x)  last_max_sge(%x)"
			  "  fp_c_idx(%x)  *sb_c_idx(%x)  fp_u_idx(%x)"
			  "  *sb_u_idx(%x)  bd data(%x,%x)\n",
			  fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
			  fp->status_blk->c_status_block.status_block_index,
			  fp->fp_u_idx,
			  fp->status_blk->u_status_block.status_block_index,
			  hw_prods->packets_prod, hw_prods->bds_prod);
E
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		start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
		end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
		for (j = start; j < end; j++) {
			struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];

			BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
				  sw_bd->skb, sw_bd->first_bd);
		}

		start = TX_BD(fp->tx_bd_cons - 10);
		end = TX_BD(fp->tx_bd_cons + 254);
		for (j = start; j < end; j++) {
			u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];

			BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
				  j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
		}

		start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
		end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
		for (j = start; j < end; j++) {
			u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
			struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];

			BNX2X_ERR("rx_bd[%x]=[%x:%x]  sw_bd=[%p]\n",
557
				  j, rx_bd[1], rx_bd[0], sw_bd->skb);
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		}

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		start = 0;
		end = RX_SGE_CNT*NUM_RX_SGE_PAGES;
		for (j = start; j < end; j++) {
			u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
			struct sw_rx_page *sw_page = &fp->rx_page_ring[j];

			BNX2X_ERR("rx_sge[%x]=[%x:%x]  sw_page=[%p]\n",
				  j, rx_sge[1], rx_sge[0], sw_page->page);
		}

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		start = RCQ_BD(fp->rx_comp_cons - 10);
		end = RCQ_BD(fp->rx_comp_cons + 503);
		for (j = start; j < end; j++) {
			u32 *cqe = (u32 *)&fp->rx_comp_ring[j];

			BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
				  j, cqe[0], cqe[1], cqe[2], cqe[3]);
		}
	}

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	BNX2X_ERR("def_c_idx(%u)  def_u_idx(%u)  def_x_idx(%u)"
		  "  def_t_idx(%u)  def_att_idx(%u)  attn_state(%u)"
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		  "  spq_prod_idx(%u)\n",
583
		  bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
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		  bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);

586
	bnx2x_fw_dump(bp);
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	bnx2x_mc_assert(bp);
	BNX2X_ERR("end crash dump -----------------\n");
}

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static void bnx2x_int_enable(struct bnx2x *bp)
E
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{
593
	int port = BP_PORT(bp);
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	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;

	if (msix) {
		val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
		val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
	} else {
		val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
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			HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
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			HC_CONFIG_0_REG_INT_LINE_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
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		DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)  MSI-X %d\n",
		   val, port, addr, msix);

		REG_WR(bp, addr, val);

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		val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
	}

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	DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)  MSI-X %d\n",
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	   val, port, addr, msix);

	REG_WR(bp, addr, val);
620 621 622 623 624 625 626 627 628 629 630 631 632 633

	if (CHIP_IS_E1H(bp)) {
		/* init leading/trailing edge */
		if (IS_E1HMF(bp)) {
			val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
			if (bp->port.pmf)
				/* enable nig attention */
				val |= 0x0100;
		} else
			val = 0xffff;

		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
	}
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}

E
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static void bnx2x_int_disable(struct bnx2x *bp)
E
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{
638
	int port = BP_PORT(bp);
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	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);

	val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
		 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
		 HC_CONFIG_0_REG_INT_LINE_EN_0 |
		 HC_CONFIG_0_REG_ATTN_BIT_EN_0);

	DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
	   val, port, addr);

	REG_WR(bp, addr, val);
	if (REG_RD(bp, addr) != val)
		BNX2X_ERR("BUG! proper val not read from IGU!\n");
}

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static void bnx2x_int_disable_sync(struct bnx2x *bp)
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{
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
	int i;

660
	/* disable interrupt handling */
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	atomic_inc(&bp->intr_sem);
E
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	/* prevent the HW from sending interrupts */
E
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	bnx2x_int_disable(bp);
E
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	/* make sure all ISRs are done */
	if (msix) {
		for_each_queue(bp, i)
			synchronize_irq(bp->msix_table[i].vector);

		/* one more for the Slow Path IRQ */
		synchronize_irq(bp->msix_table[i].vector);
	} else
		synchronize_irq(bp->pdev->irq);

	/* make sure sp_task is not running */
	cancel_work_sync(&bp->sp_task);
}

679
/* fast path */
E
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/*
682
 * General service functions
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 */

685
static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
E
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				u8 storm, u16 index, u8 op, u8 update)
{
688
	u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
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	struct igu_ack_register igu_ack;

	igu_ack.status_block_index = index;
	igu_ack.sb_id_and_flags =
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			((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
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			 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
			 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
			 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));

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	DP(BNX2X_MSG_OFF, "write 0x%08x to IGU addr 0x%x\n",
	   (*(u32 *)&igu_ack), BAR_IGU_INTMEM + igu_addr);
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	REG_WR(bp, BAR_IGU_INTMEM + igu_addr, (*(u32 *)&igu_ack));
}

static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
{
	struct host_status_block *fpsb = fp->status_blk;
	u16 rc = 0;

	barrier(); /* status block is written to by the chip */
	if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
		fp->fp_c_idx = fpsb->c_status_block.status_block_index;
		rc |= 1;
	}
	if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
		fp->fp_u_idx = fpsb->u_status_block.status_block_index;
		rc |= 2;
	}
	return rc;
}

static u16 bnx2x_ack_int(struct bnx2x *bp)
{
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	u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
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	u32 result = REG_RD(bp, BAR_IGU_INTMEM + igu_addr);

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	DP(BNX2X_MSG_OFF, "read 0x%08x from IGU addr 0x%x\n",
	   result, BAR_IGU_INTMEM + igu_addr);
E
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#ifdef IGU_DEBUG
#warning IGU_DEBUG active
	if (result == 0) {
		BNX2X_ERR("read %x from IGU\n", result);
		REG_WR(bp, TM_REG_TIMER_SOFT_RST, 0);
	}
#endif
	return result;
}


/*
 * fast path service functions
 */

/* free skb in the packet ring at pos idx
 * return idx of last bd freed
 */
static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
			     u16 idx)
{
	struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
	struct eth_tx_bd *tx_bd;
	struct sk_buff *skb = tx_buf->skb;
752
	u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
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	int nbd;

	DP(BNX2X_MSG_OFF, "pkt_idx %d  buff @(%p)->skb %p\n",
	   idx, tx_buf, skb);

	/* unmap first bd */
	DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
	tx_bd = &fp->tx_desc_ring[bd_idx];
	pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
			 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);

	nbd = le16_to_cpu(tx_bd->nbd) - 1;
765
	new_cons = nbd + tx_buf->first_bd;
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#ifdef BNX2X_STOP_ON_ERROR
	if (nbd > (MAX_SKB_FRAGS + 2)) {
768
		BNX2X_ERR("BAD nbd!\n");
E
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		bnx2x_panic();
	}
#endif

	/* Skip a parse bd and the TSO split header bd
	   since they have no mapping */
	if (nbd)
		bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));

	if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
					   ETH_TX_BD_FLAGS_TCP_CSUM |
					   ETH_TX_BD_FLAGS_SW_LSO)) {
		if (--nbd)
			bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
		tx_bd = &fp->tx_desc_ring[bd_idx];
		/* is this a TSO split header bd? */
		if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
			if (--nbd)
				bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
		}
	}

	/* now free frags */
	while (nbd > 0) {

		DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
		tx_bd = &fp->tx_desc_ring[bd_idx];
		pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
			       BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
		if (--nbd)
			bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
	}

	/* release skb */
803
	WARN_ON(!skb);
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	dev_kfree_skb(skb);
	tx_buf->first_bd = 0;
	tx_buf->skb = NULL;

808
	return new_cons;
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}

811
static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
E
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{
813 814 815
	s16 used;
	u16 prod;
	u16 cons;
E
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817
	barrier(); /* Tell compiler that prod and cons can change */
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	prod = fp->tx_bd_prod;
	cons = fp->tx_bd_cons;

821 822 823
	/* NUM_TX_RINGS = number of "next-page" entries
	   It will be used as a threshold */
	used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
E
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825
#ifdef BNX2X_STOP_ON_ERROR
826 827 828
	WARN_ON(used < 0);
	WARN_ON(used > fp->bp->tx_ring_size);
	WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
829
#endif
E
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831
	return (s16)(fp->bp->tx_ring_size) - used;
E
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}

static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
{
	struct bnx2x *bp = fp->bp;
	u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
	int done = 0;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return;
#endif

	hw_cons = le16_to_cpu(*fp->tx_cons_sb);
	sw_cons = fp->tx_pkt_cons;

	while (sw_cons != hw_cons) {
		u16 pkt_cons;

		pkt_cons = TX_BD(sw_cons);

		/* prefetch(bp->tx_buf_ring[pkt_cons].skb); */

855
		DP(NETIF_MSG_TX_DONE, "hw_cons %u  sw_cons %u  pkt_cons %u\n",
E
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		   hw_cons, sw_cons, pkt_cons);

858
/*		if (NEXT_TX_IDX(sw_cons) != hw_cons) {
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			rmb();
			prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
		}
*/
		bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
		sw_cons++;
		done++;

		if (done == work)
			break;
	}

	fp->tx_pkt_cons = sw_cons;
	fp->tx_bd_cons = bd_cons;

	/* Need to make the tx_cons update visible to start_xmit()
	 * before checking for netif_queue_stopped().  Without the
	 * memory barrier, there is a small possibility that start_xmit()
	 * will miss it and cause the queue to be stopped forever.
	 */
	smp_mb();

	/* TBD need a thresh? */
	if (unlikely(netif_queue_stopped(bp->dev))) {

		netif_tx_lock(bp->dev);

		if (netif_queue_stopped(bp->dev) &&
887
		    (bp->state == BNX2X_STATE_OPEN) &&
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		    (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
			netif_wake_queue(bp->dev);

		netif_tx_unlock(bp->dev);
	}
}

static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
			   union eth_rx_cqe *rr_cqe)
{
	struct bnx2x *bp = fp->bp;
	int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
	int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);

902
	DP(BNX2X_MSG_SP,
E
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	   "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
904 905
	   FP_IDX(fp), cid, command, bp->state,
	   rr_cqe->ramrod_cqe.ramrod_type);
E
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	bp->spq_left++;

909
	if (FP_IDX(fp)) {
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		switch (command | fp->state) {
		case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
						BNX2X_FP_STATE_OPENING):
			DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
			   cid);
			fp->state = BNX2X_FP_STATE_OPEN;
			break;

		case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
			DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
			   cid);
			fp->state = BNX2X_FP_STATE_HALTED;
			break;

		default:
925 926 927
			BNX2X_ERR("unexpected MC reply (%d)  "
				  "fp->state is %x\n", command, fp->state);
			break;
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		}
929
		mb(); /* force bnx2x_wait_ramrod() to see the change */
E
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		return;
	}
E
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	switch (command | bp->state) {
	case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
		DP(NETIF_MSG_IFUP, "got setup ramrod\n");
		bp->state = BNX2X_STATE_OPEN;
		break;

	case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
		DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
		bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
		fp->state = BNX2X_FP_STATE_HALTED;
		break;

	case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
946
		DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
947
		bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
E
Eliezer Tamir 已提交
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		break;

	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
951
	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
E
Eliezer Tamir 已提交
952
		DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Y
Yitchak Gertner 已提交
953
		bp->set_mac_pending = 0;
E
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		break;

956
	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
957
		DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
958 959
		break;

E
Eliezer Tamir 已提交
960
	default:
961
		BNX2X_ERR("unexpected MC reply (%d)  bp->state is %x\n",
E
Eliezer Tamir 已提交
962
			  command, bp->state);
963
		break;
E
Eliezer Tamir 已提交
964
	}
965
	mb(); /* force bnx2x_wait_ramrod() to see the change */
E
Eliezer Tamir 已提交
966 967
}

968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009
static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp, u16 index)
{
	struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
	struct page *page = sw_buf->page;
	struct eth_rx_sge *sge = &fp->rx_sge_ring[index];

	/* Skip "next page" elements */
	if (!page)
		return;

	pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
		       BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
	__free_pages(page, PAGES_PER_SGE_SHIFT);

	sw_buf->page = NULL;
	sge->addr_hi = 0;
	sge->addr_lo = 0;
}

static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
					   struct bnx2x_fastpath *fp, int last)
{
	int i;

	for (i = 0; i < last; i++)
		bnx2x_free_rx_sge(bp, fp, i);
}

static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp, u16 index)
{
	struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
	struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
	struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
	dma_addr_t mapping;

	if (unlikely(page == NULL))
		return -ENOMEM;

	mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
			       PCI_DMA_FROMDEVICE);
1010
	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023
		__free_pages(page, PAGES_PER_SGE_SHIFT);
		return -ENOMEM;
	}

	sw_buf->page = page;
	pci_unmap_addr_set(sw_buf, mapping, mapping);

	sge->addr_hi = cpu_to_le32(U64_HI(mapping));
	sge->addr_lo = cpu_to_le32(U64_LO(mapping));

	return 0;
}

E
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static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp, u16 index)
{
	struct sk_buff *skb;
	struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
	struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
	dma_addr_t mapping;

	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
	if (unlikely(skb == NULL))
		return -ENOMEM;

	mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
				 PCI_DMA_FROMDEVICE);
1038
	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
E
Eliezer Tamir 已提交
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		dev_kfree_skb(skb);
		return -ENOMEM;
	}

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

	rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));

	return 0;
}

/* note that we are not allocating a new skb,
 * we are just moving one from cons to prod
 * we are not creating a new mapping,
 * so there is no need to check for dma_mapping_error().
 */
static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
			       struct sk_buff *skb, u16 cons, u16 prod)
{
	struct bnx2x *bp = fp->bp;
	struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
	struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
	struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
	struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];

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

	prod_rx_buf->skb = cons_rx_buf->skb;
	pci_unmap_addr_set(prod_rx_buf, mapping,
			   pci_unmap_addr(cons_rx_buf, mapping));
	*prod_bd = *cons_bd;
}

1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250
static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
					     u16 idx)
{
	u16 last_max = fp->last_max_sge;

	if (SUB_S16(idx, last_max) > 0)
		fp->last_max_sge = idx;
}

static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
{
	int i, j;

	for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
		int idx = RX_SGE_CNT * i - 1;

		for (j = 0; j < 2; j++) {
			SGE_MASK_CLEAR_BIT(fp, idx);
			idx--;
		}
	}
}

static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
				  struct eth_fast_path_rx_cqe *fp_cqe)
{
	struct bnx2x *bp = fp->bp;
	u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
				     le16_to_cpu(fp_cqe->len_on_bd)) >>
		      BCM_PAGE_SHIFT;
	u16 last_max, last_elem, first_elem;
	u16 delta = 0;
	u16 i;

	if (!sge_len)
		return;

	/* First mark all used pages */
	for (i = 0; i < sge_len; i++)
		SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));

	DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
	   sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));

	/* Here we assume that the last SGE index is the biggest */
	prefetch((void *)(fp->sge_mask));
	bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));

	last_max = RX_SGE(fp->last_max_sge);
	last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
	first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;

	/* If ring is not full */
	if (last_elem + 1 != first_elem)
		last_elem++;

	/* Now update the prod */
	for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
		if (likely(fp->sge_mask[i]))
			break;

		fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
		delta += RX_SGE_MASK_ELEM_SZ;
	}

	if (delta > 0) {
		fp->rx_sge_prod += delta;
		/* clear page-end entries */
		bnx2x_clear_sge_mask_next_elems(fp);
	}

	DP(NETIF_MSG_RX_STATUS,
	   "fp->last_max_sge = %d  fp->rx_sge_prod = %d\n",
	   fp->last_max_sge, fp->rx_sge_prod);
}

static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
{
	/* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
	memset(fp->sge_mask, 0xff,
	       (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));

	/* Clear the two last indeces in the page to 1:
	   these are the indeces that correspond to the "next" element,
	   hence will never be indicated and should be removed from
	   the calculations. */
	bnx2x_clear_sge_mask_next_elems(fp);
}

static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
			    struct sk_buff *skb, u16 cons, u16 prod)
{
	struct bnx2x *bp = fp->bp;
	struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
	struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
	struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
	dma_addr_t mapping;

	/* move empty skb from pool to prod and map it */
	prod_rx_buf->skb = fp->tpa_pool[queue].skb;
	mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
				 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
	pci_unmap_addr_set(prod_rx_buf, mapping, mapping);

	/* move partial skb from cons to pool (don't unmap yet) */
	fp->tpa_pool[queue] = *cons_rx_buf;

	/* mark bin state as start - print error if current state != stop */
	if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
		BNX2X_ERR("start of bin not in stop [%d]\n", queue);

	fp->tpa_state[queue] = BNX2X_TPA_START;

	/* point prod_bd to new skb */
	prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));

#ifdef BNX2X_STOP_ON_ERROR
	fp->tpa_queue_used |= (1 << queue);
#ifdef __powerpc64__
	DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
#else
	DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
#endif
	   fp->tpa_queue_used);
#endif
}

static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
			       struct sk_buff *skb,
			       struct eth_fast_path_rx_cqe *fp_cqe,
			       u16 cqe_idx)
{
	struct sw_rx_page *rx_pg, old_rx_pg;
	struct page *sge;
	u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
	u32 i, frag_len, frag_size, pages;
	int err;
	int j;

	frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
	pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;

	/* This is needed in order to enable forwarding support */
	if (frag_size)
		skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
					       max(frag_size, (u32)len_on_bd));

#ifdef BNX2X_STOP_ON_ERROR
	if (pages > 8*PAGES_PER_SGE) {
		BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
			  pages, cqe_idx);
		BNX2X_ERR("fp_cqe->pkt_len = %d  fp_cqe->len_on_bd = %d\n",
			  fp_cqe->pkt_len, len_on_bd);
		bnx2x_panic();
		return -EINVAL;
	}
#endif

	/* Run through the SGL and compose the fragmented skb */
	for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
		u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));

		/* FW gives the indices of the SGE as if the ring is an array
		   (meaning that "next" element will consume 2 indices) */
		frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
		rx_pg = &fp->rx_page_ring[sge_idx];
		sge = rx_pg->page;
		old_rx_pg = *rx_pg;

		/* If we fail to allocate a substitute page, we simply stop
		   where we are and drop the whole packet */
		err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
		if (unlikely(err)) {
Y
Yitchak Gertner 已提交
1251
			bp->eth_stats.rx_skb_alloc_failed++;
1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287
			return err;
		}

		/* Unmap the page as we r going to pass it to the stack */
		pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
			      BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);

		/* Add one frag and update the appropriate fields in the skb */
		skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);

		skb->data_len += frag_len;
		skb->truesize += frag_len;
		skb->len += frag_len;

		frag_size -= frag_len;
	}

	return 0;
}

static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
			   u16 queue, int pad, int len, union eth_rx_cqe *cqe,
			   u16 cqe_idx)
{
	struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
	struct sk_buff *skb = rx_buf->skb;
	/* alloc new skb */
	struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);

	/* Unmap skb in the pool anyway, as we are going to change
	   pool entry status to BNX2X_TPA_STOP even if new skb allocation
	   fails. */
	pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
			 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);

	if (likely(new_skb)) {
Y
Yitchak Gertner 已提交
1288 1289
		/* fix ip xsum and give it to the stack */
		/* (no need to map the new skb) */
1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341

		prefetch(skb);
		prefetch(((char *)(skb)) + 128);

#ifdef BNX2X_STOP_ON_ERROR
		if (pad + len > bp->rx_buf_size) {
			BNX2X_ERR("skb_put is about to fail...  "
				  "pad %d  len %d  rx_buf_size %d\n",
				  pad, len, bp->rx_buf_size);
			bnx2x_panic();
			return;
		}
#endif

		skb_reserve(skb, pad);
		skb_put(skb, len);

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

		{
			struct iphdr *iph;

			iph = (struct iphdr *)skb->data;
			iph->check = 0;
			iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
		}

		if (!bnx2x_fill_frag_skb(bp, fp, skb,
					 &cqe->fast_path_cqe, cqe_idx)) {
#ifdef BCM_VLAN
			if ((bp->vlgrp != NULL) &&
			    (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
			     PARSING_FLAGS_VLAN))
				vlan_hwaccel_receive_skb(skb, bp->vlgrp,
						le16_to_cpu(cqe->fast_path_cqe.
							    vlan_tag));
			else
#endif
				netif_receive_skb(skb);
		} else {
			DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
			   " - dropping packet!\n");
			dev_kfree_skb(skb);
		}

		bp->dev->last_rx = jiffies;

		/* put new skb in bin */
		fp->tpa_pool[queue].skb = new_skb;

	} else {
Y
Yitchak Gertner 已提交
1342
		/* else drop the packet and keep the buffer in the bin */
1343 1344
		DP(NETIF_MSG_RX_STATUS,
		   "Failed to allocate new skb - dropping packet!\n");
Y
Yitchak Gertner 已提交
1345
		bp->eth_stats.rx_skb_alloc_failed++;
1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373
	}

	fp->tpa_state[queue] = BNX2X_TPA_STOP;
}

static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
					struct bnx2x_fastpath *fp,
					u16 bd_prod, u16 rx_comp_prod,
					u16 rx_sge_prod)
{
	struct tstorm_eth_rx_producers rx_prods = {0};
	int i;

	/* Update producers */
	rx_prods.bd_prod = bd_prod;
	rx_prods.cqe_prod = rx_comp_prod;
	rx_prods.sge_prod = rx_sge_prod;

	for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
		REG_WR(bp, BAR_TSTRORM_INTMEM +
		       TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
		       ((u32 *)&rx_prods)[i]);

	DP(NETIF_MSG_RX_STATUS,
	   "Wrote: bd_prod %u  cqe_prod %u  sge_prod %u\n",
	   bd_prod, rx_comp_prod, rx_sge_prod);
}

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static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
{
	struct bnx2x *bp = fp->bp;
1377
	u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
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Eliezer Tamir 已提交
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	u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
	int rx_pkt = 0;
1380
	u16 queue;
E
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#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return 0;
#endif

1387 1388
	/* CQ "next element" is of the size of the regular element,
	   that's why it's ok here */
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Eliezer Tamir 已提交
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	hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
	if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
		hw_comp_cons++;

	bd_cons = fp->rx_bd_cons;
	bd_prod = fp->rx_bd_prod;
1395
	bd_prod_fw = bd_prod;
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	sw_comp_cons = fp->rx_comp_cons;
	sw_comp_prod = fp->rx_comp_prod;

	/* Memory barrier necessary as speculative reads of the rx
	 * buffer can be ahead of the index in the status block
	 */
	rmb();

	DP(NETIF_MSG_RX_STATUS,
	   "queue[%d]:  hw_comp_cons %u  sw_comp_cons %u\n",
1406
	   FP_IDX(fp), hw_comp_cons, sw_comp_cons);
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	while (sw_comp_cons != hw_comp_cons) {
1409
		struct sw_rx_bd *rx_buf = NULL;
E
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		struct sk_buff *skb;
		union eth_rx_cqe *cqe;
1412 1413
		u8 cqe_fp_flags;
		u16 len, pad;
E
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		comp_ring_cons = RCQ_BD(sw_comp_cons);
		bd_prod = RX_BD(bd_prod);
		bd_cons = RX_BD(bd_cons);

		cqe = &fp->rx_comp_ring[comp_ring_cons];
1420
		cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
E
Eliezer Tamir 已提交
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		DP(NETIF_MSG_RX_STATUS, "CQE type %x  err %x  status %x"
1423 1424
		   "  queue %x  vlan %x  len %u\n", CQE_TYPE(cqe_fp_flags),
		   cqe_fp_flags, cqe->fast_path_cqe.status_flags,
E
Eliezer Tamir 已提交
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		   cqe->fast_path_cqe.rss_hash_result,
1426 1427
		   le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
		   le16_to_cpu(cqe->fast_path_cqe.pkt_len));
E
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		/* is this a slowpath msg? */
1430
		if (unlikely(CQE_TYPE(cqe_fp_flags))) {
E
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			bnx2x_sp_event(fp, cqe);
			goto next_cqe;

		/* this is an rx packet */
		} else {
			rx_buf = &fp->rx_buf_ring[bd_cons];
			skb = rx_buf->skb;
			len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
			pad = cqe->fast_path_cqe.placement_offset;

1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483
			/* If CQE is marked both TPA_START and TPA_END
			   it is a non-TPA CQE */
			if ((!fp->disable_tpa) &&
			    (TPA_TYPE(cqe_fp_flags) !=
					(TPA_TYPE_START | TPA_TYPE_END))) {
				queue = cqe->fast_path_cqe.queue_index;

				if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
					DP(NETIF_MSG_RX_STATUS,
					   "calling tpa_start on queue %d\n",
					   queue);

					bnx2x_tpa_start(fp, queue, skb,
							bd_cons, bd_prod);
					goto next_rx;
				}

				if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
					DP(NETIF_MSG_RX_STATUS,
					   "calling tpa_stop on queue %d\n",
					   queue);

					if (!BNX2X_RX_SUM_FIX(cqe))
						BNX2X_ERR("STOP on none TCP "
							  "data\n");

					/* This is a size of the linear data
					   on this skb */
					len = le16_to_cpu(cqe->fast_path_cqe.
								len_on_bd);
					bnx2x_tpa_stop(bp, fp, queue, pad,
						    len, cqe, comp_ring_cons);
#ifdef BNX2X_STOP_ON_ERROR
					if (bp->panic)
						return -EINVAL;
#endif

					bnx2x_update_sge_prod(fp,
							&cqe->fast_path_cqe);
					goto next_cqe;
				}
			}

E
Eliezer Tamir 已提交
1484 1485 1486 1487 1488 1489 1490 1491
			pci_dma_sync_single_for_device(bp->pdev,
					pci_unmap_addr(rx_buf, mapping),
						       pad + RX_COPY_THRESH,
						       PCI_DMA_FROMDEVICE);
			prefetch(skb);
			prefetch(((char *)(skb)) + 128);

			/* is this an error packet? */
1492
			if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
E
Eliezer Tamir 已提交
1493
				DP(NETIF_MSG_RX_ERR,
1494 1495
				   "ERROR  flags %x  rx packet %u\n",
				   cqe_fp_flags, sw_comp_cons);
Y
Yitchak Gertner 已提交
1496
				bp->eth_stats.rx_err_discard_pkt++;
E
Eliezer Tamir 已提交
1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510
				goto reuse_rx;
			}

			/* Since we don't have a jumbo ring
			 * copy small packets if mtu > 1500
			 */
			if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
			    (len <= RX_COPY_THRESH)) {
				struct sk_buff *new_skb;

				new_skb = netdev_alloc_skb(bp->dev,
							   len + pad);
				if (new_skb == NULL) {
					DP(NETIF_MSG_RX_ERR,
1511
					   "ERROR  packet dropped "
E
Eliezer Tamir 已提交
1512
					   "because of alloc failure\n");
Y
Yitchak Gertner 已提交
1513
					bp->eth_stats.rx_skb_alloc_failed++;
E
Eliezer Tamir 已提交
1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536
					goto reuse_rx;
				}

				/* aligned copy */
				skb_copy_from_linear_data_offset(skb, pad,
						    new_skb->data + pad, len);
				skb_reserve(new_skb, pad);
				skb_put(new_skb, len);

				bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);

				skb = new_skb;

			} else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
				pci_unmap_single(bp->pdev,
					pci_unmap_addr(rx_buf, mapping),
						 bp->rx_buf_use_size,
						 PCI_DMA_FROMDEVICE);
				skb_reserve(skb, pad);
				skb_put(skb, len);

			} else {
				DP(NETIF_MSG_RX_ERR,
1537
				   "ERROR  packet dropped because "
E
Eliezer Tamir 已提交
1538
				   "of alloc failure\n");
Y
Yitchak Gertner 已提交
1539
				bp->eth_stats.rx_skb_alloc_failed++;
E
Eliezer Tamir 已提交
1540 1541 1542 1543 1544 1545 1546 1547
reuse_rx:
				bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
				goto next_rx;
			}

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

			skb->ip_summed = CHECKSUM_NONE;
Y
Yitchak Gertner 已提交
1548
			if (bp->rx_csum) {
1549 1550
				if (likely(BNX2X_RX_CSUM_OK(cqe)))
					skb->ip_summed = CHECKSUM_UNNECESSARY;
Y
Yitchak Gertner 已提交
1551 1552 1553
				else
					bp->eth_stats.hw_csum_err++;
			}
E
Eliezer Tamir 已提交
1554 1555 1556
		}

#ifdef BCM_VLAN
1557 1558 1559
		if ((bp->vlgrp != NULL) &&
		    (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
		     PARSING_FLAGS_VLAN))
E
Eliezer Tamir 已提交
1560 1561 1562 1563
			vlan_hwaccel_receive_skb(skb, bp->vlgrp,
				le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
		else
#endif
1564
			netif_receive_skb(skb);
E
Eliezer Tamir 已提交
1565 1566 1567 1568 1569 1570 1571 1572

		bp->dev->last_rx = jiffies;

next_rx:
		rx_buf->skb = NULL;

		bd_cons = NEXT_RX_IDX(bd_cons);
		bd_prod = NEXT_RX_IDX(bd_prod);
1573 1574
		bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
		rx_pkt++;
E
Eliezer Tamir 已提交
1575 1576 1577 1578
next_cqe:
		sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
		sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);

1579
		if (rx_pkt == budget)
E
Eliezer Tamir 已提交
1580 1581 1582 1583
			break;
	} /* while */

	fp->rx_bd_cons = bd_cons;
1584
	fp->rx_bd_prod = bd_prod_fw;
E
Eliezer Tamir 已提交
1585 1586 1587
	fp->rx_comp_cons = sw_comp_cons;
	fp->rx_comp_prod = sw_comp_prod;

1588 1589 1590
	/* Update producers */
	bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
			     fp->rx_sge_prod);
E
Eliezer Tamir 已提交
1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603
	mmiowb(); /* keep prod updates ordered */

	fp->rx_pkt += rx_pkt;
	fp->rx_calls++;

	return rx_pkt;
}

static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
{
	struct bnx2x_fastpath *fp = fp_cookie;
	struct bnx2x *bp = fp->bp;
	struct net_device *dev = bp->dev;
1604
	int index = FP_IDX(fp);
E
Eliezer Tamir 已提交
1605

1606 1607 1608 1609 1610 1611
	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
		return IRQ_HANDLED;
	}

1612 1613 1614
	DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
	   index, FP_SB_ID(fp));
	bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
E
Eliezer Tamir 已提交
1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

	prefetch(fp->rx_cons_sb);
	prefetch(fp->tx_cons_sb);
	prefetch(&fp->status_blk->c_status_block.status_block_index);
	prefetch(&fp->status_blk->u_status_block.status_block_index);

	netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
1627

E
Eliezer Tamir 已提交
1628 1629 1630 1631 1632 1633 1634 1635
	return IRQ_HANDLED;
}

static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2x *bp = netdev_priv(dev);
	u16 status = bnx2x_ack_int(bp);
1636
	u16 mask;
E
Eliezer Tamir 已提交
1637

1638
	/* Return here if interrupt is shared and it's not for us */
E
Eliezer Tamir 已提交
1639 1640 1641 1642
	if (unlikely(status == 0)) {
		DP(NETIF_MSG_INTR, "not our interrupt!\n");
		return IRQ_NONE;
	}
1643
	DP(NETIF_MSG_INTR, "got an interrupt  status %u\n", status);
E
Eliezer Tamir 已提交
1644 1645 1646 1647 1648 1649

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

1650
	/* Return here if interrupt is disabled */
E
Eliezer Tamir 已提交
1651 1652 1653 1654 1655
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
		return IRQ_HANDLED;
	}

1656 1657
	mask = 0x2 << bp->fp[0].sb_id;
	if (status & mask) {
E
Eliezer Tamir 已提交
1658 1659 1660 1661 1662 1663 1664 1665 1666
		struct bnx2x_fastpath *fp = &bp->fp[0];

		prefetch(fp->rx_cons_sb);
		prefetch(fp->tx_cons_sb);
		prefetch(&fp->status_blk->c_status_block.status_block_index);
		prefetch(&fp->status_blk->u_status_block.status_block_index);

		netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));

1667
		status &= ~mask;
E
Eliezer Tamir 已提交
1668 1669 1670
	}


1671
	if (unlikely(status & 0x1)) {
E
Eliezer Tamir 已提交
1672 1673 1674 1675 1676 1677 1678
		schedule_work(&bp->sp_task);

		status &= ~0x1;
		if (!status)
			return IRQ_HANDLED;
	}

1679 1680 1681
	if (status)
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
		   status);
E
Eliezer Tamir 已提交
1682

Y
Yaniv Rosner 已提交
1683
	return IRQ_HANDLED;
E
Eliezer Tamir 已提交
1684 1685
}

Y
Yaniv Rosner 已提交
1686
/* end of fast path */
E
Eliezer Tamir 已提交
1687

Y
Yitchak Gertner 已提交
1688
static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
E
Eliezer Tamir 已提交
1689

Y
Yaniv Rosner 已提交
1690 1691 1692 1693 1694
/* Link */

/*
 * General service functions
 */
E
Eliezer Tamir 已提交
1695

Y
Yitchak Gertner 已提交
1696
static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1697 1698 1699
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1700 1701
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
Y
Yaniv Rosner 已提交
1702
	int cnt;
E
Eliezer Tamir 已提交
1703

Y
Yaniv Rosner 已提交
1704 1705 1706 1707 1708 1709 1710
	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1711

Y
Yitchak Gertner 已提交
1712 1713 1714 1715 1716 1717 1718
	if (func <= 5) {
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	} else {
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
	}

Y
Yaniv Rosner 已提交
1719
	/* Validating that the resource is not already taken */
Y
Yitchak Gertner 已提交
1720
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1721 1722 1723 1724 1725
	if (lock_status & resource_bit) {
		DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
		   lock_status, resource_bit);
		return -EEXIST;
	}
E
Eliezer Tamir 已提交
1726

Y
Yaniv Rosner 已提交
1727 1728 1729
	/* Try for 1 second every 5ms */
	for (cnt = 0; cnt < 200; cnt++) {
		/* Try to acquire the lock */
Y
Yitchak Gertner 已提交
1730 1731
		REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
		lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1732 1733
		if (lock_status & resource_bit)
			return 0;
E
Eliezer Tamir 已提交
1734

Y
Yaniv Rosner 已提交
1735
		msleep(5);
E
Eliezer Tamir 已提交
1736
	}
Y
Yaniv Rosner 已提交
1737 1738 1739
	DP(NETIF_MSG_HW, "Timeout\n");
	return -EAGAIN;
}
E
Eliezer Tamir 已提交
1740

Y
Yitchak Gertner 已提交
1741
static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1742 1743 1744
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1745 1746
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
E
Eliezer Tamir 已提交
1747

Y
Yaniv Rosner 已提交
1748 1749 1750 1751 1752 1753 1754 1755
	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
		return -EINVAL;
	}

Y
Yitchak Gertner 已提交
1756 1757 1758 1759 1760 1761 1762
	if (func <= 5) {
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	} else {
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
	}

Y
Yaniv Rosner 已提交
1763
	/* Validating that the resource is currently taken */
Y
Yitchak Gertner 已提交
1764
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1765 1766 1767 1768
	if (!(lock_status & resource_bit)) {
		DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
		   lock_status, resource_bit);
		return -EFAULT;
E
Eliezer Tamir 已提交
1769 1770
	}

Y
Yitchak Gertner 已提交
1771
	REG_WR(bp, hw_lock_control_reg, resource_bit);
Y
Yaniv Rosner 已提交
1772 1773 1774 1775
	return 0;
}

/* HW Lock for shared dual port PHYs */
Y
Yitchak Gertner 已提交
1776
static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Y
Yaniv Rosner 已提交
1777 1778
{
	u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
1779

1780
	mutex_lock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
1781

Y
Yaniv Rosner 已提交
1782 1783
	if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Y
Yitchak Gertner 已提交
1784
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Y
Yaniv Rosner 已提交
1785
}
E
Eliezer Tamir 已提交
1786

Y
Yitchak Gertner 已提交
1787
static void bnx2x_release_phy_lock(struct bnx2x *bp)
Y
Yaniv Rosner 已提交
1788 1789
{
	u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
1790

Y
Yaniv Rosner 已提交
1791 1792
	if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Y
Yitchak Gertner 已提交
1793
		bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
E
Eliezer Tamir 已提交
1794

1795
	mutex_unlock(&bp->port.phy_mutex);
Y
Yaniv Rosner 已提交
1796
}
E
Eliezer Tamir 已提交
1797

Y
Yaniv Rosner 已提交
1798 1799 1800 1801
int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode)
{
	/* The GPIO should be swapped if swap register is set and active */
	int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1802
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ BP_PORT(bp);
Y
Yaniv Rosner 已提交
1803 1804 1805 1806
	int gpio_shift = gpio_num +
			(gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
	u32 gpio_mask = (1 << gpio_shift);
	u32 gpio_reg;
E
Eliezer Tamir 已提交
1807

Y
Yaniv Rosner 已提交
1808 1809 1810 1811
	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1812

Y
Yitchak Gertner 已提交
1813
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Y
Yaniv Rosner 已提交
1814 1815
	/* read GPIO and mask except the float bits */
	gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
E
Eliezer Tamir 已提交
1816

Y
Yaniv Rosner 已提交
1817 1818 1819 1820 1821 1822 1823 1824
	switch (mode) {
	case MISC_REGISTERS_GPIO_OUTPUT_LOW:
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
		   gpio_num, gpio_shift);
		/* clear FLOAT and set CLR */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
		break;
E
Eliezer Tamir 已提交
1825

Y
Yaniv Rosner 已提交
1826 1827 1828 1829 1830 1831 1832
	case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
		   gpio_num, gpio_shift);
		/* clear FLOAT and set SET */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
		break;
E
Eliezer Tamir 已提交
1833

Y
Yaniv Rosner 已提交
1834 1835 1836 1837 1838 1839
	case MISC_REGISTERS_GPIO_INPUT_HI_Z :
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
		   gpio_num, gpio_shift);
		/* set FLOAT */
		gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		break;
E
Eliezer Tamir 已提交
1840

Y
Yaniv Rosner 已提交
1841 1842
	default:
		break;
E
Eliezer Tamir 已提交
1843 1844
	}

Y
Yaniv Rosner 已提交
1845
	REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Y
Yitchak Gertner 已提交
1846
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
E
Eliezer Tamir 已提交
1847

Y
Yaniv Rosner 已提交
1848
	return 0;
E
Eliezer Tamir 已提交
1849 1850
}

Y
Yaniv Rosner 已提交
1851
static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
E
Eliezer Tamir 已提交
1852
{
Y
Yaniv Rosner 已提交
1853 1854
	u32 spio_mask = (1 << spio_num);
	u32 spio_reg;
E
Eliezer Tamir 已提交
1855

Y
Yaniv Rosner 已提交
1856 1857 1858 1859
	if ((spio_num < MISC_REGISTERS_SPIO_4) ||
	    (spio_num > MISC_REGISTERS_SPIO_7)) {
		BNX2X_ERR("Invalid SPIO %d\n", spio_num);
		return -EINVAL;
E
Eliezer Tamir 已提交
1860 1861
	}

Y
Yitchak Gertner 已提交
1862
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1863 1864
	/* read SPIO and mask except the float bits */
	spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
E
Eliezer Tamir 已提交
1865

Y
Yaniv Rosner 已提交
1866 1867 1868 1869 1870 1871 1872
	switch (mode) {
	case MISC_REGISTERS_SPIO_OUTPUT_LOW :
		DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
		/* clear FLOAT and set CLR */
		spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
		break;
E
Eliezer Tamir 已提交
1873

Y
Yaniv Rosner 已提交
1874 1875 1876 1877 1878 1879
	case MISC_REGISTERS_SPIO_OUTPUT_HIGH :
		DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
		/* clear FLOAT and set SET */
		spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
		break;
E
Eliezer Tamir 已提交
1880

Y
Yaniv Rosner 已提交
1881 1882 1883 1884 1885
	case MISC_REGISTERS_SPIO_INPUT_HI_Z:
		DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
		/* set FLOAT */
		spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		break;
E
Eliezer Tamir 已提交
1886

Y
Yaniv Rosner 已提交
1887 1888
	default:
		break;
E
Eliezer Tamir 已提交
1889 1890
	}

Y
Yaniv Rosner 已提交
1891
	REG_WR(bp, MISC_REG_SPIO, spio_reg);
Y
Yitchak Gertner 已提交
1892
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1893

E
Eliezer Tamir 已提交
1894 1895 1896
	return 0;
}

Y
Yaniv Rosner 已提交
1897
static void bnx2x_calc_fc_adv(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1898
{
Y
Yaniv Rosner 已提交
1899 1900
	switch (bp->link_vars.ieee_fc) {
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1901
		bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1902 1903 1904
					  ADVERTISED_Pause);
		break;
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1905
		bp->port.advertising |= (ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1906 1907 1908
					 ADVERTISED_Pause);
		break;
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1909
		bp->port.advertising |= ADVERTISED_Asym_Pause;
Y
Yaniv Rosner 已提交
1910 1911
		break;
	default:
1912
		bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1913 1914 1915 1916
					  ADVERTISED_Pause);
		break;
	}
}
E
Eliezer Tamir 已提交
1917

Y
Yaniv Rosner 已提交
1918 1919 1920 1921 1922 1923
static void bnx2x_link_report(struct bnx2x *bp)
{
	if (bp->link_vars.link_up) {
		if (bp->state == BNX2X_STATE_OPEN)
			netif_carrier_on(bp->dev);
		printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
E
Eliezer Tamir 已提交
1924

Y
Yaniv Rosner 已提交
1925
		printk("%d Mbps ", bp->link_vars.line_speed);
E
Eliezer Tamir 已提交
1926

Y
Yaniv Rosner 已提交
1927 1928 1929 1930
		if (bp->link_vars.duplex == DUPLEX_FULL)
			printk("full duplex");
		else
			printk("half duplex");
E
Eliezer Tamir 已提交
1931

Y
Yaniv Rosner 已提交
1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942
		if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
			if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
				printk(", receive ");
				if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
					printk("& transmit ");
			} else {
				printk(", transmit ");
			}
			printk("flow control ON");
		}
		printk("\n");
E
Eliezer Tamir 已提交
1943

Y
Yaniv Rosner 已提交
1944 1945 1946
	} else { /* link_down */
		netif_carrier_off(bp->dev);
		printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
E
Eliezer Tamir 已提交
1947
	}
Y
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1948 1949 1950 1951
}

static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
{
1952 1953
	if (!BP_NOMCP(bp)) {
		u8 rc;
E
Eliezer Tamir 已提交
1954

1955 1956
		/* Initialize link parameters structure variables */
		bp->link_params.mtu = bp->dev->mtu;
E
Eliezer Tamir 已提交
1957

Y
Yitchak Gertner 已提交
1958
		bnx2x_acquire_phy_lock(bp);
1959
		rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1960
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1961

1962 1963
		if (bp->link_vars.link_up)
			bnx2x_link_report(bp);
E
Eliezer Tamir 已提交
1964

1965
		bnx2x_calc_fc_adv(bp);
1966

1967 1968 1969 1970
		return rc;
	}
	BNX2X_ERR("Bootcode is missing -not initializing link\n");
	return -EINVAL;
E
Eliezer Tamir 已提交
1971 1972
}

Y
Yaniv Rosner 已提交
1973
static void bnx2x_link_set(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1974
{
1975
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1976
		bnx2x_acquire_phy_lock(bp);
1977
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1978
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1979

1980 1981 1982
		bnx2x_calc_fc_adv(bp);
	} else
		BNX2X_ERR("Bootcode is missing -not setting link\n");
Y
Yaniv Rosner 已提交
1983
}
E
Eliezer Tamir 已提交
1984

Y
Yaniv Rosner 已提交
1985 1986
static void bnx2x__link_reset(struct bnx2x *bp)
{
1987
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1988
		bnx2x_acquire_phy_lock(bp);
1989
		bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1990
		bnx2x_release_phy_lock(bp);
1991 1992
	} else
		BNX2X_ERR("Bootcode is missing -not resetting link\n");
Y
Yaniv Rosner 已提交
1993
}
E
Eliezer Tamir 已提交
1994

Y
Yaniv Rosner 已提交
1995 1996 1997
static u8 bnx2x_link_test(struct bnx2x *bp)
{
	u8 rc;
E
Eliezer Tamir 已提交
1998

Y
Yitchak Gertner 已提交
1999
	bnx2x_acquire_phy_lock(bp);
Y
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2000
	rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
2001
	bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
2002

Y
Yaniv Rosner 已提交
2003 2004
	return rc;
}
E
Eliezer Tamir 已提交
2005

2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216
/* Calculates the sum of vn_min_rates.
   It's needed for further normalizing of the min_rates.

   Returns:
     sum of vn_min_rates
       or
     0 - if all the min_rates are 0.
     In the later case fainess algorithm should be deactivated.
     If not all min_rates are zero then those that are zeroes will
     be set to 1.
 */
static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
{
	int i, port = BP_PORT(bp);
	u32 wsum = 0;
	int all_zero = 1;

	for (i = 0; i < E1HVN_MAX; i++) {
		u32 vn_cfg =
			SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
		u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
				     FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
		if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
			/* If min rate is zero - set it to 1 */
			if (!vn_min_rate)
				vn_min_rate = DEF_MIN_RATE;
			else
				all_zero = 0;

			wsum += vn_min_rate;
		}
	}

	/* ... only if all min rates are zeros - disable FAIRNESS */
	if (all_zero)
		return 0;

	return wsum;
}

static void bnx2x_init_port_minmax(struct bnx2x *bp,
				   int en_fness,
				   u16 port_rate,
				   struct cmng_struct_per_port *m_cmng_port)
{
	u32 r_param = port_rate / 8;
	int port = BP_PORT(bp);
	int i;

	memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));

	/* Enable minmax only if we are in e1hmf mode */
	if (IS_E1HMF(bp)) {
		u32 fair_periodic_timeout_usec;
		u32 t_fair;

		/* Enable rate shaping and fairness */
		m_cmng_port->flags.cmng_vn_enable = 1;
		m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
		m_cmng_port->flags.rate_shaping_enable = 1;

		if (!en_fness)
			DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
			   "  fairness will be disabled\n");

		/* 100 usec in SDM ticks = 25 since each tick is 4 usec */
		m_cmng_port->rs_vars.rs_periodic_timeout =
						RS_PERIODIC_TIMEOUT_USEC / 4;

		/* this is the threshold below which no timer arming will occur
		   1.25 coefficient is for the threshold to be a little bigger
		   than the real time, to compensate for timer in-accuracy */
		m_cmng_port->rs_vars.rs_threshold =
				(RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;

		/* resolution of fairness timer */
		fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
		/* for 10G it is 1000usec. for 1G it is 10000usec. */
		t_fair = T_FAIR_COEF / port_rate;

		/* this is the threshold below which we won't arm
		   the timer anymore */
		m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;

		/* we multiply by 1e3/8 to get bytes/msec.
		   We don't want the credits to pass a credit
		   of the T_FAIR*FAIR_MEM (algorithm resolution) */
		m_cmng_port->fair_vars.upper_bound =
						r_param * t_fair * FAIR_MEM;
		/* since each tick is 4 usec */
		m_cmng_port->fair_vars.fairness_timeout =
						fair_periodic_timeout_usec / 4;

	} else {
		/* Disable rate shaping and fairness */
		m_cmng_port->flags.cmng_vn_enable = 0;
		m_cmng_port->flags.fairness_enable = 0;
		m_cmng_port->flags.rate_shaping_enable = 0;

		DP(NETIF_MSG_IFUP,
		   "Single function mode  minmax will be disabled\n");
	}

	/* Store it to internal memory */
	for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
		       ((u32 *)(m_cmng_port))[i]);
}

static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
				   u32 wsum, u16 port_rate,
				 struct cmng_struct_per_port *m_cmng_port)
{
	struct rate_shaping_vars_per_vn m_rs_vn;
	struct fairness_vars_per_vn m_fair_vn;
	u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
	u16 vn_min_rate, vn_max_rate;
	int i;

	/* If function is hidden - set min and max to zeroes */
	if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
		vn_min_rate = 0;
		vn_max_rate = 0;

	} else {
		vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
				FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
		/* If FAIRNESS is enabled (not all min rates are zeroes) and
		   if current min rate is zero - set it to 1.
		   This is a requirment of the algorithm. */
		if ((vn_min_rate == 0) && wsum)
			vn_min_rate = DEF_MIN_RATE;
		vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
				FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
	}

	DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d  vn_max_rate=%d  "
	   "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);

	memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
	memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));

	/* global vn counter - maximal Mbps for this vn */
	m_rs_vn.vn_counter.rate = vn_max_rate;

	/* quota - number of bytes transmitted in this period */
	m_rs_vn.vn_counter.quota =
				(vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;

#ifdef BNX2X_PER_PROT_QOS
	/* per protocol counter */
	for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
		/* maximal Mbps for this protocol */
		m_rs_vn.protocol_counters[protocol].rate =
						protocol_max_rate[protocol];
		/* the quota in each timer period -
		   number of bytes transmitted in this period */
		m_rs_vn.protocol_counters[protocol].quota =
			(u32)(rs_periodic_timeout_usec *
			  ((double)m_rs_vn.
				   protocol_counters[protocol].rate/8));
	}
#endif

	if (wsum) {
		/* credit for each period of the fairness algorithm:
		   number of bytes in T_FAIR (the vn share the port rate).
		   wsum should not be larger than 10000, thus
		   T_FAIR_COEF / (8 * wsum) will always be grater than zero */
		m_fair_vn.vn_credit_delta =
			max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
			    (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
		DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
		   m_fair_vn.vn_credit_delta);
	}

#ifdef BNX2X_PER_PROT_QOS
	do {
		u32 protocolWeightSum = 0;

		for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
			protocolWeightSum +=
					drvInit.protocol_min_rate[protocol];
		/* per protocol counter -
		   NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
		if (protocolWeightSum > 0) {
			for (protocol = 0;
			     protocol < NUM_OF_PROTOCOLS; protocol++)
				/* credit for each period of the
				   fairness algorithm - number of bytes in
				   T_FAIR (the protocol share the vn rate) */
				m_fair_vn.protocol_credit_delta[protocol] =
					(u32)((vn_min_rate / 8) * t_fair *
					protocol_min_rate / protocolWeightSum);
		}
	} while (0);
#endif

	/* Store it to internal memory */
	for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
		       ((u32 *)(&m_rs_vn))[i]);

	for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
		       ((u32 *)(&m_fair_vn))[i]);
}

Y
Yaniv Rosner 已提交
2217 2218 2219
/* This function is called upon link interrupt */
static void bnx2x_link_attn(struct bnx2x *bp)
{
2220 2221
	int vn;

Y
Yitchak Gertner 已提交
2222 2223 2224
	/* Make sure that we are synced with the current statistics */
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
Yitchak Gertner 已提交
2225
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
2226
	bnx2x_link_update(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
2227
	bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
2228

Y
Yitchak Gertner 已提交
2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243
	if (bp->link_vars.link_up) {

		if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
			struct host_port_stats *pstats;

			pstats = bnx2x_sp(bp, port_stats);
			/* reset old bmac stats */
			memset(&(pstats->mac_stx[0]), 0,
			       sizeof(struct mac_stx));
		}
		if ((bp->state == BNX2X_STATE_OPEN) ||
		    (bp->state == BNX2X_STATE_DISABLED))
			bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	}

Y
Yaniv Rosner 已提交
2244 2245
	/* indicate link status */
	bnx2x_link_report(bp);
2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278

	if (IS_E1HMF(bp)) {
		int func;

		for (vn = VN_0; vn < E1HVN_MAX; vn++) {
			if (vn == BP_E1HVN(bp))
				continue;

			func = ((vn << 1) | BP_PORT(bp));

			/* Set the attention towards other drivers
			   on the same port */
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
			       (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
		}
	}

	if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
		struct cmng_struct_per_port m_cmng_port;
		u32 wsum;
		int port = BP_PORT(bp);

		/* Init RATE SHAPING and FAIRNESS contexts */
		wsum = bnx2x_calc_vn_wsum(bp);
		bnx2x_init_port_minmax(bp, (int)wsum,
					bp->link_vars.line_speed,
					&m_cmng_port);
		if (IS_E1HMF(bp))
			for (vn = VN_0; vn < E1HVN_MAX; vn++)
				bnx2x_init_vn_minmax(bp, 2*vn + port,
					wsum, bp->link_vars.line_speed,
						     &m_cmng_port);
	}
Y
Yaniv Rosner 已提交
2279
}
E
Eliezer Tamir 已提交
2280

Y
Yaniv Rosner 已提交
2281 2282 2283 2284
static void bnx2x__link_status_update(struct bnx2x *bp)
{
	if (bp->state != BNX2X_STATE_OPEN)
		return;
E
Eliezer Tamir 已提交
2285

Y
Yaniv Rosner 已提交
2286
	bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2287

Y
Yitchak Gertner 已提交
2288 2289 2290 2291 2292
	if (bp->link_vars.link_up)
		bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	else
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
Yaniv Rosner 已提交
2293 2294
	/* indicate link status */
	bnx2x_link_report(bp);
E
Eliezer Tamir 已提交
2295 2296
}

2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308
static void bnx2x_pmf_update(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;

	bp->port.pmf = 1;
	DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);

	/* enable nig attention */
	val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
	REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
	REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Y
Yitchak Gertner 已提交
2309 2310

	bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2311 2312
}

Y
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2313
/* end of Link */
E
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2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324

/* slow path */

/*
 * General service functions
 */

/* the slow path queue is odd since completions arrive on the fastpath ring */
static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
			 u32 data_hi, u32 data_lo, int common)
{
2325
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
2326

2327 2328
	DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
	   "SPQE (%x:%x)  command %d  hw_cid %x  data (%x:%x)  left %x\n",
E
Eliezer Tamir 已提交
2329 2330 2331 2332 2333 2334 2335 2336 2337
	   (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
	   (void *)bp->spq_prod_bd - (void *)bp->spq), command,
	   HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return -EIO;
#endif

2338
	spin_lock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2339 2340 2341

	if (!bp->spq_left) {
		BNX2X_ERR("BUG! SPQ ring full!\n");
2342
		spin_unlock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2343 2344 2345
		bnx2x_panic();
		return -EBUSY;
	}
E
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2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370
	/* CID needs port number to be encoded int it */
	bp->spq_prod_bd->hdr.conn_and_cmd_data =
			cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
				     HW_CID(bp, cid)));
	bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
	if (common)
		bp->spq_prod_bd->hdr.type |=
			cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));

	bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
	bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);

	bp->spq_left--;

	if (bp->spq_prod_bd == bp->spq_last_bd) {
		bp->spq_prod_bd = bp->spq;
		bp->spq_prod_idx = 0;
		DP(NETIF_MSG_TIMER, "end of spq\n");

	} else {
		bp->spq_prod_bd++;
		bp->spq_prod_idx++;
	}

2371
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
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	       bp->spq_prod_idx);

2374
	spin_unlock_bh(&bp->spq_lock);
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	return 0;
}

/* acquire split MCP access lock register */
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static int bnx2x_acquire_alr(struct bnx2x *bp)
E
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{
	u32 i, j, val;
2382
	int rc = 0;
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	might_sleep();
	i = 100;
	for (j = 0; j < i*10; j++) {
		val = (1UL << 31);
		REG_WR(bp, GRCBASE_MCP + 0x9c, val);
		val = REG_RD(bp, GRCBASE_MCP + 0x9c);
		if (val & (1L << 31))
			break;

		msleep(5);
	}
	if (!(val & (1L << 31))) {
2396
		BNX2X_ERR("Cannot acquire MCP access lock register\n");
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		rc = -EBUSY;
	}

	return rc;
}

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/* release split MCP access lock register */
static void bnx2x_release_alr(struct bnx2x *bp)
E
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{
	u32 val = 0;

	REG_WR(bp, GRCBASE_MCP + 0x9c, val);
}

static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
{
	struct host_def_status_block *def_sb = bp->def_status_blk;
	u16 rc = 0;

	barrier(); /* status block is written to by the chip */
	if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
		bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
		rc |= 1;
	}
	if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
		bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
		rc |= 2;
	}
	if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
		bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
		rc |= 4;
	}
	if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
		bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
		rc |= 8;
	}
	if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
		bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
		rc |= 16;
	}
	return rc;
}

/*
 * slow path service functions
 */

static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
{
2446 2447 2448
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
	u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_FUNC_BASE * func) * 8;
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	u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			      MISC_REG_AEU_MASK_ATTN_FUNC_0;
2451 2452
	u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
				       NIG_REG_MASK_INTERRUPT_PORT0;
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	u32 aeu_mask;
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	if (bp->attn_state & asserted)
		BNX2X_ERR("IGU ERROR\n");

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	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
	aeu_mask = REG_RD(bp, aeu_addr);

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	DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
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	   aeu_mask, asserted);
	aeu_mask &= ~(asserted & 0xff);
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
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	REG_WR(bp, aeu_addr, aeu_mask);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
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	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
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	bp->attn_state |= asserted;
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	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
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	if (asserted & ATTN_HARD_WIRED_MASK) {
		if (asserted & ATTN_NIG_FOR_FUNC) {

2476 2477 2478
			/* save nig interrupt mask */
			bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
			REG_WR(bp, nig_int_mask_addr, 0);
E
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			bnx2x_link_attn(bp);
E
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			/* handle unicore attn? */
		}
		if (asserted & ATTN_SW_TIMER_4_FUNC)
			DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");

		if (asserted & GPIO_2_FUNC)
			DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");

		if (asserted & GPIO_3_FUNC)
			DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");

		if (asserted & GPIO_4_FUNC)
			DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");

		if (port == 0) {
			if (asserted & ATTN_GENERAL_ATTN_1) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_2) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_3) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
			}
		} else {
			if (asserted & ATTN_GENERAL_ATTN_4) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_5) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_6) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
			}
		}

	} /* if hardwired */

	DP(NETIF_MSG_HW, "about to mask 0x%08x at IGU addr 0x%x\n",
	   asserted, BAR_IGU_INTMEM + igu_addr);
	REG_WR(bp, BAR_IGU_INTMEM + igu_addr, asserted);

	/* now set back the mask */
	if (asserted & ATTN_NIG_FOR_FUNC)
2532
		REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
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}

2535
static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
E
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2536
{
2537
	int port = BP_PORT(bp);
2538 2539 2540
	int reg_offset;
	u32 val;

2541 2542
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2543

2544
	if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2545 2546 2547 2548 2549 2550 2551

		val = REG_RD(bp, reg_offset);
		val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("SPIO5 hw attention\n");

2552
		switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2553 2554 2555 2556 2557 2558 2559 2560 2561 2562
		case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
			/* Fan failure attention */

			/* The PHY reset is controled by GPIO 1 */
			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
				       MISC_REGISTERS_GPIO_OUTPUT_LOW);
			/* Low power mode is controled by GPIO 2 */
			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
				       MISC_REGISTERS_GPIO_OUTPUT_LOW);
			/* mark the failure */
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			bp->link_params.ext_phy_config &=
2564
					~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Y
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			bp->link_params.ext_phy_config |=
2566 2567 2568 2569
					PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
			SHMEM_WR(bp,
				 dev_info.port_hw_config[port].
							external_phy_config,
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				 bp->link_params.ext_phy_config);
2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582
			/* log the failure */
			printk(KERN_ERR PFX "Fan Failure on Network"
			       " Controller %s has caused the driver to"
			       " shutdown the card to prevent permanent"
			       " damage.  Please contact Dell Support for"
			       " assistance\n", bp->dev->name);
			break;

		default:
			break;
		}
	}
2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593

	if (attn & HW_INTERRUT_ASSERT_SET_0) {

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
			  (attn & HW_INTERRUT_ASSERT_SET_0));
		bnx2x_panic();
	}
2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607
}

static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
{
	u32 val;

	if (attn & BNX2X_DOORQ_ASSERT) {

		val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
		BNX2X_ERR("DB hw attention 0x%x\n", val);
		/* DORQ discard attention */
		if (val & 0x2)
			BNX2X_ERR("FATAL error from DORQ\n");
	}
2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624

	if (attn & HW_INTERRUT_ASSERT_SET_1) {

		int port = BP_PORT(bp);
		int reg_offset;

		reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
				     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
			  (attn & HW_INTERRUT_ASSERT_SET_1));
		bnx2x_panic();
	}
2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647
}

static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
{
	u32 val;

	if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {

		val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
		BNX2X_ERR("CFC hw attention 0x%x\n", val);
		/* CFC error attention */
		if (val & 0x2)
			BNX2X_ERR("FATAL error from CFC\n");
	}

	if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {

		val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
		BNX2X_ERR("PXP hw attention 0x%x\n", val);
		/* RQ_USDMDP_FIFO_OVERFLOW */
		if (val & 0x18000)
			BNX2X_ERR("FATAL error from PXP\n");
	}
2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664

	if (attn & HW_INTERRUT_ASSERT_SET_2) {

		int port = BP_PORT(bp);
		int reg_offset;

		reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
				     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
			  (attn & HW_INTERRUT_ASSERT_SET_2));
		bnx2x_panic();
	}
2665 2666 2667 2668
}

static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
{
2669 2670
	u32 val;

2671 2672
	if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {

2673 2674 2675 2676 2677 2678 2679 2680 2681 2682
		if (attn & BNX2X_PMF_LINK_ASSERT) {
			int func = BP_FUNC(bp);

			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
			bnx2x__link_status_update(bp);
			if (SHMEM_RD(bp, func_mb[func].drv_status) &
							DRV_STATUS_PMF)
				bnx2x_pmf_update(bp);

		} else if (attn & BNX2X_MC_ASSERT_BITS) {
2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694

			BNX2X_ERR("MC assert!\n");
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
			bnx2x_panic();

		} else if (attn & BNX2X_MCP_ASSERT) {

			BNX2X_ERR("MCP assert!\n");
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
2695
			bnx2x_fw_dump(bp);
2696 2697 2698 2699 2700 2701

		} else
			BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
	}

	if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712
		BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
		if (attn & BNX2X_GRC_TIMEOUT) {
			val = CHIP_IS_E1H(bp) ?
				REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
			BNX2X_ERR("GRC time-out 0x%08x\n", val);
		}
		if (attn & BNX2X_GRC_RSV) {
			val = CHIP_IS_E1H(bp) ?
				REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
			BNX2X_ERR("GRC reserved 0x%08x\n", val);
		}
2713 2714 2715 2716 2717 2718
		REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
	}
}

static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
{
E
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	struct attn_route attn;
	struct attn_route group_mask;
2721
	int port = BP_PORT(bp);
2722
	int index;
E
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2723 2724
	u32 reg_addr;
	u32 val;
E
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2725
	u32 aeu_mask;
E
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2726 2727 2728

	/* need to take HW lock because MCP or other port might also
	   try to handle this event */
Y
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2729
	bnx2x_acquire_alr(bp);
E
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2730 2731 2732 2733 2734

	attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
	attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
	attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
	attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
2735 2736
	DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
	   attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
E
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	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
		if (deasserted & (1 << index)) {
			group_mask = bp->attn_group[index];

2742 2743 2744
			DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
			   index, group_mask.sig[0], group_mask.sig[1],
			   group_mask.sig[2], group_mask.sig[3]);
E
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2746 2747 2748 2749 2750 2751 2752 2753
			bnx2x_attn_int_deasserted3(bp,
					attn.sig[3] & group_mask.sig[3]);
			bnx2x_attn_int_deasserted1(bp,
					attn.sig[1] & group_mask.sig[1]);
			bnx2x_attn_int_deasserted2(bp,
					attn.sig[2] & group_mask.sig[2]);
			bnx2x_attn_int_deasserted0(bp,
					attn.sig[0] & group_mask.sig[0]);
E
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			if ((attn.sig[0] & group_mask.sig[0] &
						HW_PRTY_ASSERT_SET_0) ||
			    (attn.sig[1] & group_mask.sig[1] &
						HW_PRTY_ASSERT_SET_1) ||
			    (attn.sig[2] & group_mask.sig[2] &
						HW_PRTY_ASSERT_SET_2))
2761
			       BNX2X_ERR("FATAL HW block parity attention\n");
E
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		}
	}

Y
Yitchak Gertner 已提交
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	bnx2x_release_alr(bp);
E
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2767
	reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
E
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	val = ~deasserted;
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	DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
	   val, reg_addr);
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	REG_WR(bp, BAR_IGU_INTMEM + reg_addr, val);

	if (~bp->attn_state & deasserted)
E
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		BNX2X_ERR("IGU ERROR\n");
E
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	reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			  MISC_REG_AEU_MASK_ATTN_FUNC_0;

E
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	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
	aeu_mask = REG_RD(bp, reg_addr);

	DP(NETIF_MSG_HW, "aeu_mask %x  newly deasserted %x\n",
	   aeu_mask, deasserted);
	aeu_mask |= (deasserted & 0xff);
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
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E
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	REG_WR(bp, reg_addr, aeu_mask);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
E
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	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
	bp->attn_state &= ~deasserted;
	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
}

static void bnx2x_attn_int(struct bnx2x *bp)
{
	/* read local copy of bits */
	u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
	u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
	u32 attn_state = bp->attn_state;

	/* look for changed bits */
	u32 asserted   =  attn_bits & ~attn_ack & ~attn_state;
	u32 deasserted = ~attn_bits &  attn_ack &  attn_state;

	DP(NETIF_MSG_HW,
	   "attn_bits %x  attn_ack %x  asserted %x  deasserted %x\n",
	   attn_bits, attn_ack, asserted, deasserted);

	if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
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		BNX2X_ERR("BAD attention state\n");
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	/* handle bits that were raised */
	if (asserted)
		bnx2x_attn_int_asserted(bp, asserted);

	if (deasserted)
		bnx2x_attn_int_deasserted(bp, deasserted);
}

static void bnx2x_sp_task(struct work_struct *work)
{
	struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
	u16 status;

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	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2830
		DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
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		return;
	}

	status = bnx2x_update_dsb_idx(bp);
2835 2836
/*	if (status == 0)				     */
/*		BNX2X_ERR("spurious slowpath interrupt!\n"); */
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2838
	DP(BNX2X_MSG_SP, "got a slowpath interrupt (updated %x)\n", status);
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2840 2841
	/* HW attentions */
	if (status & 0x1)
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		bnx2x_attn_int(bp);

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	/* CStorm events: query_stats, port delete ramrod */
	if (status & 0x2)
		bp->stats_pending = 0;

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	bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
		     IGU_INT_NOP, 1);
	bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
		     IGU_INT_NOP, 1);
	bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
		     IGU_INT_NOP, 1);
	bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
		     IGU_INT_NOP, 1);
	bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
		     IGU_INT_ENABLE, 1);
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}

static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2x *bp = netdev_priv(dev);

	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2868
		DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
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		return IRQ_HANDLED;
	}

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	bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
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#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

	schedule_work(&bp->sp_task);

	return IRQ_HANDLED;
}

/* end of slow path */

/* Statistics */

/****************************************************************************
* Macros
****************************************************************************/

/* sum[hi:lo] += add[hi:lo] */
#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
	do { \
		s_lo += a_lo; \
		s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
	} while (0)

/* difference = minuend - subtrahend */
#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
	do { \
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		if (m_lo < s_lo) { \
			/* underflow */ \
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			d_hi = m_hi - s_hi; \
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			if (d_hi > 0) { \
			/* we can 'loan' 1 */ \
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				d_hi--; \
				d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
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			} else { \
			/* m_hi <= s_hi */ \
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				d_hi = 0; \
				d_lo = 0; \
			} \
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		} else { \
			/* m_lo >= s_lo */ \
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			if (m_hi < s_hi) { \
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				d_hi = 0; \
				d_lo = 0; \
			} else { \
			/* m_hi >= s_hi */ \
				d_hi = m_hi - s_hi; \
				d_lo = m_lo - s_lo; \
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			} \
		} \
	} while (0)

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#define UPDATE_STAT64(s, t) \
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	do { \
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		DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
			diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
		pstats->mac_stx[0].t##_hi = new->s##_hi; \
		pstats->mac_stx[0].t##_lo = new->s##_lo; \
		ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
		       pstats->mac_stx[1].t##_lo, diff.lo); \
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	} while (0)

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#define UPDATE_STAT64_NIG(s, t) \
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	do { \
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		DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
			diff.lo, new->s##_lo, old->s##_lo); \
		ADD_64(estats->t##_hi, diff.hi, \
		       estats->t##_lo, diff.lo); \
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	} while (0)

/* sum[hi:lo] += add */
#define ADD_EXTEND_64(s_hi, s_lo, a) \
	do { \
		s_lo += a; \
		s_hi += (s_lo < a) ? 1 : 0; \
	} while (0)

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#define UPDATE_EXTEND_STAT(s) \
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	do { \
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		ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
			      pstats->mac_stx[1].s##_lo, \
			      new->s); \
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	} while (0)

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#define UPDATE_EXTEND_TSTAT(s, t) \
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	do { \
		diff = le32_to_cpu(tclient->s) - old_tclient->s; \
		old_tclient->s = le32_to_cpu(tclient->s); \
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		ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
	} while (0)

#define UPDATE_EXTEND_XSTAT(s, t) \
	do { \
		diff = le32_to_cpu(xclient->s) - old_xclient->s; \
		old_xclient->s = le32_to_cpu(xclient->s); \
		ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
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	} while (0)

/*
 * General service functions
 */

static inline long bnx2x_hilo(u32 *hiref)
{
	u32 lo = *(hiref + 1);
#if (BITS_PER_LONG == 64)
	u32 hi = *hiref;

	return HILO_U64(hi, lo);
#else
	return lo;
#endif
}

/*
 * Init service functions
 */

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static void bnx2x_storm_stats_post(struct bnx2x *bp)
{
	if (!bp->stats_pending) {
		struct eth_query_ramrod_data ramrod_data = {0};
		int rc;

		ramrod_data.drv_counter = bp->stats_counter++;
		ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
		ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));

		rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
				   ((u32 *)&ramrod_data)[1],
				   ((u32 *)&ramrod_data)[0], 0);
		if (rc == 0) {
			/* stats ramrod has it's own slot on the spq */
			bp->spq_left++;
			bp->stats_pending = 1;
		}
	}
}

static void bnx2x_stats_init(struct bnx2x *bp)
{
	int port = BP_PORT(bp);

	bp->executer_idx = 0;
	bp->stats_counter = 0;

	/* port stats */
	if (!BP_NOMCP(bp))
		bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
	else
		bp->port.port_stx = 0;
	DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);

	memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
	bp->port.old_nig_stats.brb_discard =
			REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
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	bp->port.old_nig_stats.brb_truncate =
			REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
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	REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
		    &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
	REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
		    &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);

	/* function stats */
	memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
	memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
	memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
	memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));

	bp->stats_state = STATS_STATE_DISABLED;
	if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
		bnx2x_stats_handle(bp, STATS_EVENT_PMF);
}

static void bnx2x_hw_stats_post(struct bnx2x *bp)
{
	struct dmae_command *dmae = &bp->stats_dmae;
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);

	*stats_comp = DMAE_COMP_VAL;

	/* loader */
	if (bp->executer_idx) {
		int loader_idx = PMF_DMAE_C(bp);

		memset(dmae, 0, sizeof(struct dmae_command));

		dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
				DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
				DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
				DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
				DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
				(BP_PORT(bp) ? DMAE_CMD_PORT_1 :
					       DMAE_CMD_PORT_0) |
				(BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
		dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
				     sizeof(struct dmae_command) *
				     (loader_idx + 1)) >> 2;
		dmae->dst_addr_hi = 0;
		dmae->len = sizeof(struct dmae_command) >> 2;
		if (CHIP_IS_E1(bp))
			dmae->len--;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

		*stats_comp = 0;
		bnx2x_post_dmae(bp, dmae, loader_idx);

	} else if (bp->func_stx) {
		*stats_comp = 0;
		bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
	}
}

static int bnx2x_stats_comp(struct bnx2x *bp)
{
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
	int cnt = 10;

	might_sleep();
	while (*stats_comp != DMAE_COMP_VAL) {
		msleep(1);
		if (!cnt) {
			BNX2X_ERR("timeout waiting for stats finished\n");
			break;
		}
		cnt--;
	}
	return 1;
}

/*
 * Statistics service functions
 */

static void bnx2x_stats_pmf_update(struct bnx2x *bp)
{
	struct dmae_command *dmae;
	u32 opcode;
	int loader_idx = PMF_DMAE_C(bp);
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);

	/* sanity */
	if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
		BNX2X_ERR("BUG!\n");
		return;
	}

	bp->executer_idx = 0;

	opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
		  DMAE_CMD_C_ENABLE |
		  DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
		  DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
		  DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
		  (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
		  (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));

	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
	dmae->src_addr_lo = bp->port.port_stx >> 2;
	dmae->src_addr_hi = 0;
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
	dmae->len = DMAE_LEN32_RD_MAX;
	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
	dmae->comp_addr_hi = 0;
	dmae->comp_val = 1;

	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
	dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
	dmae->src_addr_hi = 0;
3157 3158 3159 3160
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
				   DMAE_LEN32_RD_MAX * 4);
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
				   DMAE_LEN32_RD_MAX * 4);
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	dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_val = DMAE_COMP_VAL;

	*stats_comp = 0;
	bnx2x_hw_stats_post(bp);
	bnx2x_stats_comp(bp);
}

static void bnx2x_port_stats_init(struct bnx2x *bp)
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{
	struct dmae_command *dmae;
3174
	int port = BP_PORT(bp);
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	int vn = BP_E1HVN(bp);
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	u32 opcode;
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	int loader_idx = PMF_DMAE_C(bp);
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	u32 mac_addr;
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	u32 *stats_comp = bnx2x_sp(bp, stats_comp);

	/* sanity */
	if (!bp->link_vars.link_up || !bp->port.pmf) {
		BNX2X_ERR("BUG!\n");
		return;
	}
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	bp->executer_idx = 0;
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	/* MCP */
	opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
		  DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
		  DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
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#ifdef __BIG_ENDIAN
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		  DMAE_CMD_ENDIANITY_B_DW_SWAP |
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#else
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		  DMAE_CMD_ENDIANITY_DW_SWAP |
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#endif
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		  (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
		  (vn << DMAE_CMD_E1HVN_SHIFT));
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	if (bp->port.port_stx) {
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		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
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		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
		dmae->dst_addr_lo = bp->port.port_stx >> 2;
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		dmae->dst_addr_hi = 0;
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		dmae->len = sizeof(struct host_port_stats) >> 2;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;
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	}

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	if (bp->func_stx) {

		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
		dmae->dst_addr_lo = bp->func_stx >> 2;
		dmae->dst_addr_hi = 0;
		dmae->len = sizeof(struct host_func_stats) >> 2;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;
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	}

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	/* MAC */
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	opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
		  DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
		  DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
		  DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
		  DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
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		  (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
		  (vn << DMAE_CMD_E1HVN_SHIFT));
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	if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
E
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3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268

		mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
				   NIG_REG_INGRESS_BMAC0_MEM);

		/* BIGMAC_REGISTER_TX_STAT_GTPKT ..
		   BIGMAC_REGISTER_TX_STAT_GTBYT */
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
		dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
			     BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

		/* BIGMAC_REGISTER_RX_STAT_GR64 ..
		   BIGMAC_REGISTER_RX_STAT_GRIPJ */
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3269
				offsetof(struct bmac_stats, rx_stat_gr64_lo));
E
Eliezer Tamir 已提交
3270
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3271
				offsetof(struct bmac_stats, rx_stat_gr64_lo));
E
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3272 3273 3274 3275 3276 3277
		dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
			     BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

Y
Yaniv Rosner 已提交
3278
	} else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
E
Eliezer Tamir 已提交
3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301

		mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);

		/* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     EMAC_REG_EMAC_RX_STAT_AC) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
		dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

		/* EMAC_REG_EMAC_RX_STAT_AC_28 */
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3302
		     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
E
Eliezer Tamir 已提交
3303
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3304
		     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
E
Eliezer Tamir 已提交
3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316
		dmae->len = 1;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

		/* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     EMAC_REG_EMAC_TX_STAT_AC) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3317
			offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
E
Eliezer Tamir 已提交
3318
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3319
			offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
E
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3320 3321 3322 3323 3324 3325 3326
		dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;
	}

	/* NIG */
Y
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3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352
	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = opcode;
	dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
				    NIG_REG_STAT0_BRB_DISCARD) >> 2;
	dmae->src_addr_hi = 0;
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
	dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
	dmae->comp_addr_hi = 0;
	dmae->comp_val = 1;

	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = opcode;
	dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
				    NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
	dmae->src_addr_hi = 0;
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
			offsetof(struct nig_stats, egress_mac_pkt0_lo));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
			offsetof(struct nig_stats, egress_mac_pkt0_lo));
	dmae->len = (2*sizeof(u32)) >> 2;
	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
	dmae->comp_addr_hi = 0;
	dmae->comp_val = 1;

E
Eliezer Tamir 已提交
3353 3354 3355 3356 3357 3358 3359 3360 3361
	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
			DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
			DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
			DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
			DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
Y
Yitchak Gertner 已提交
3362 3363 3364 3365
			(port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
			(vn << DMAE_CMD_E1HVN_SHIFT));
	dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
				    NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
E
Eliezer Tamir 已提交
3366
	dmae->src_addr_hi = 0;
Y
Yitchak Gertner 已提交
3367 3368 3369 3370 3371 3372 3373 3374 3375 3376
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
			offsetof(struct nig_stats, egress_mac_pkt1_lo));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
			offsetof(struct nig_stats, egress_mac_pkt1_lo));
	dmae->len = (2*sizeof(u32)) >> 2;
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_val = DMAE_COMP_VAL;

	*stats_comp = 0;
E
Eliezer Tamir 已提交
3377 3378
}

Y
Yitchak Gertner 已提交
3379
static void bnx2x_func_stats_init(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3380
{
Y
Yitchak Gertner 已提交
3381 3382
	struct dmae_command *dmae = &bp->stats_dmae;
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
E
Eliezer Tamir 已提交
3383

Y
Yitchak Gertner 已提交
3384 3385 3386 3387 3388
	/* sanity */
	if (!bp->func_stx) {
		BNX2X_ERR("BUG!\n");
		return;
	}
E
Eliezer Tamir 已提交
3389

Y
Yitchak Gertner 已提交
3390 3391
	bp->executer_idx = 0;
	memset(dmae, 0, sizeof(struct dmae_command));
E
Eliezer Tamir 已提交
3392

Y
Yitchak Gertner 已提交
3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410
	dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
			DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
			DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
			DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
			DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
			(BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
			(BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
	dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
	dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
	dmae->dst_addr_lo = bp->func_stx >> 2;
	dmae->dst_addr_hi = 0;
	dmae->len = sizeof(struct host_func_stats) >> 2;
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_val = DMAE_COMP_VAL;
E
Eliezer Tamir 已提交
3411

Y
Yitchak Gertner 已提交
3412 3413
	*stats_comp = 0;
}
E
Eliezer Tamir 已提交
3414

Y
Yitchak Gertner 已提交
3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451
static void bnx2x_stats_start(struct bnx2x *bp)
{
	if (bp->port.pmf)
		bnx2x_port_stats_init(bp);

	else if (bp->func_stx)
		bnx2x_func_stats_init(bp);

	bnx2x_hw_stats_post(bp);
	bnx2x_storm_stats_post(bp);
}

static void bnx2x_stats_pmf_start(struct bnx2x *bp)
{
	bnx2x_stats_comp(bp);
	bnx2x_stats_pmf_update(bp);
	bnx2x_stats_start(bp);
}

static void bnx2x_stats_restart(struct bnx2x *bp)
{
	bnx2x_stats_comp(bp);
	bnx2x_stats_start(bp);
}

static void bnx2x_bmac_stats_update(struct bnx2x *bp)
{
	struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
	struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
	struct regpair diff;

	UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
	UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
	UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
	UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
	UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
	UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Y
Yitchak Gertner 已提交
3452
	UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Y
Yitchak Gertner 已提交
3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532
	UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
	UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
	UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
	UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
	UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
	UPDATE_STAT64(tx_stat_gt127,
				tx_stat_etherstatspkts65octetsto127octets);
	UPDATE_STAT64(tx_stat_gt255,
				tx_stat_etherstatspkts128octetsto255octets);
	UPDATE_STAT64(tx_stat_gt511,
				tx_stat_etherstatspkts256octetsto511octets);
	UPDATE_STAT64(tx_stat_gt1023,
				tx_stat_etherstatspkts512octetsto1023octets);
	UPDATE_STAT64(tx_stat_gt1518,
				tx_stat_etherstatspkts1024octetsto1522octets);
	UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
	UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
	UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
	UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
	UPDATE_STAT64(tx_stat_gterr,
				tx_stat_dot3statsinternalmactransmiterrors);
	UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
}

static void bnx2x_emac_stats_update(struct bnx2x *bp)
{
	struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
	struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);

	UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
	UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
	UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
	UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
	UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
	UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
	UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
	UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
	UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
	UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
	UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
	UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
	UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
	UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
	UPDATE_EXTEND_STAT(tx_stat_outxonsent);
	UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
	UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
	UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
	UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
	UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
	UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
	UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
	UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
	UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
}

static int bnx2x_hw_stats_update(struct bnx2x *bp)
{
	struct nig_stats *new = bnx2x_sp(bp, nig_stats);
	struct nig_stats *old = &(bp->port.old_nig_stats);
	struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
	struct bnx2x_eth_stats *estats = &bp->eth_stats;
	struct regpair diff;

	if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
		bnx2x_bmac_stats_update(bp);

	else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
		bnx2x_emac_stats_update(bp);

	else { /* unreached */
		BNX2X_ERR("stats updated by dmae but no MAC active\n");
		return -1;
	}
E
Eliezer Tamir 已提交
3533

Y
Yitchak Gertner 已提交
3534 3535
	ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
		      new->brb_discard - old->brb_discard);
Y
Yitchak Gertner 已提交
3536 3537
	ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
		      new->brb_truncate - old->brb_truncate);
E
Eliezer Tamir 已提交
3538

Y
Yitchak Gertner 已提交
3539 3540 3541
	UPDATE_STAT64_NIG(egress_mac_pkt0,
					etherstatspkts1024octetsto1522octets);
	UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
E
Eliezer Tamir 已提交
3542

Y
Yitchak Gertner 已提交
3543
	memcpy(old, new, sizeof(struct nig_stats));
E
Eliezer Tamir 已提交
3544

Y
Yitchak Gertner 已提交
3545 3546 3547 3548
	memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
	       sizeof(struct mac_stx));
	estats->brb_drop_hi = pstats->brb_drop_hi;
	estats->brb_drop_lo = pstats->brb_drop_lo;
E
Eliezer Tamir 已提交
3549

Y
Yitchak Gertner 已提交
3550
	pstats->host_port_stats_start = ++pstats->host_port_stats_end;
E
Eliezer Tamir 已提交
3551

Y
Yitchak Gertner 已提交
3552
	return 0;
E
Eliezer Tamir 已提交
3553 3554
}

Y
Yitchak Gertner 已提交
3555
static int bnx2x_storm_stats_update(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3556 3557
{
	struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
Y
Yitchak Gertner 已提交
3558 3559 3560
	int cl_id = BP_CL_ID(bp);
	struct tstorm_per_port_stats *tport =
				&stats->tstorm_common.port_statistics;
E
Eliezer Tamir 已提交
3561
	struct tstorm_per_client_stats *tclient =
Y
Yitchak Gertner 已提交
3562
			&stats->tstorm_common.client_statistics[cl_id];
E
Eliezer Tamir 已提交
3563
	struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
Y
Yitchak Gertner 已提交
3564 3565 3566 3567 3568
	struct xstorm_per_client_stats *xclient =
			&stats->xstorm_common.client_statistics[cl_id];
	struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
	struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
	struct bnx2x_eth_stats *estats = &bp->eth_stats;
E
Eliezer Tamir 已提交
3569 3570
	u32 diff;

Y
Yitchak Gertner 已提交
3571 3572 3573 3574 3575 3576
	/* are storm stats valid? */
	if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
							bp->stats_counter) {
		DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
		   "  tstorm counter (%d) != stats_counter (%d)\n",
		   tclient->stats_counter, bp->stats_counter);
E
Eliezer Tamir 已提交
3577 3578
		return -1;
	}
Y
Yitchak Gertner 已提交
3579 3580 3581 3582 3583
	if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
							bp->stats_counter) {
		DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
		   "  xstorm counter (%d) != stats_counter (%d)\n",
		   xclient->stats_counter, bp->stats_counter);
E
Eliezer Tamir 已提交
3584 3585 3586
		return -2;
	}

Y
Yitchak Gertner 已提交
3587 3588
	fstats->total_bytes_received_hi =
	fstats->valid_bytes_received_hi =
E
Eliezer Tamir 已提交
3589
				le32_to_cpu(tclient->total_rcv_bytes.hi);
Y
Yitchak Gertner 已提交
3590 3591
	fstats->total_bytes_received_lo =
	fstats->valid_bytes_received_lo =
E
Eliezer Tamir 已提交
3592
				le32_to_cpu(tclient->total_rcv_bytes.lo);
Y
Yitchak Gertner 已提交
3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608

	estats->error_bytes_received_hi =
				le32_to_cpu(tclient->rcv_error_bytes.hi);
	estats->error_bytes_received_lo =
				le32_to_cpu(tclient->rcv_error_bytes.lo);
	ADD_64(estats->error_bytes_received_hi,
	       estats->rx_stat_ifhcinbadoctets_hi,
	       estats->error_bytes_received_lo,
	       estats->rx_stat_ifhcinbadoctets_lo);

	ADD_64(fstats->total_bytes_received_hi,
	       estats->error_bytes_received_hi,
	       fstats->total_bytes_received_lo,
	       estats->error_bytes_received_lo);

	UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
E
Eliezer Tamir 已提交
3609
	UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
Y
Yitchak Gertner 已提交
3610
				total_multicast_packets_received);
E
Eliezer Tamir 已提交
3611
	UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
Y
Yitchak Gertner 已提交
3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635
				total_broadcast_packets_received);

	fstats->total_bytes_transmitted_hi =
				le32_to_cpu(xclient->total_sent_bytes.hi);
	fstats->total_bytes_transmitted_lo =
				le32_to_cpu(xclient->total_sent_bytes.lo);

	UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
				total_unicast_packets_transmitted);
	UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
				total_multicast_packets_transmitted);
	UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
				total_broadcast_packets_transmitted);

	memcpy(estats, &(fstats->total_bytes_received_hi),
	       sizeof(struct host_func_stats) - 2*sizeof(u32));

	estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
	estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
	estats->brb_truncate_discard =
				le32_to_cpu(tport->brb_truncate_discard);
	estats->mac_discard = le32_to_cpu(tport->mac_discard);

	old_tclient->rcv_unicast_bytes.hi =
E
Eliezer Tamir 已提交
3636
				le32_to_cpu(tclient->rcv_unicast_bytes.hi);
Y
Yitchak Gertner 已提交
3637
	old_tclient->rcv_unicast_bytes.lo =
E
Eliezer Tamir 已提交
3638
				le32_to_cpu(tclient->rcv_unicast_bytes.lo);
Y
Yitchak Gertner 已提交
3639
	old_tclient->rcv_broadcast_bytes.hi =
E
Eliezer Tamir 已提交
3640
				le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
Y
Yitchak Gertner 已提交
3641
	old_tclient->rcv_broadcast_bytes.lo =
E
Eliezer Tamir 已提交
3642
				le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
Y
Yitchak Gertner 已提交
3643
	old_tclient->rcv_multicast_bytes.hi =
E
Eliezer Tamir 已提交
3644
				le32_to_cpu(tclient->rcv_multicast_bytes.hi);
Y
Yitchak Gertner 已提交
3645
	old_tclient->rcv_multicast_bytes.lo =
E
Eliezer Tamir 已提交
3646
				le32_to_cpu(tclient->rcv_multicast_bytes.lo);
Y
Yitchak Gertner 已提交
3647
	old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
E
Eliezer Tamir 已提交
3648

Y
Yitchak Gertner 已提交
3649 3650
	old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
	old_tclient->packets_too_big_discard =
E
Eliezer Tamir 已提交
3651
				le32_to_cpu(tclient->packets_too_big_discard);
Y
Yitchak Gertner 已提交
3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670
	estats->no_buff_discard =
	old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
	old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);

	old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
	old_xclient->unicast_bytes_sent.hi =
				le32_to_cpu(xclient->unicast_bytes_sent.hi);
	old_xclient->unicast_bytes_sent.lo =
				le32_to_cpu(xclient->unicast_bytes_sent.lo);
	old_xclient->multicast_bytes_sent.hi =
				le32_to_cpu(xclient->multicast_bytes_sent.hi);
	old_xclient->multicast_bytes_sent.lo =
				le32_to_cpu(xclient->multicast_bytes_sent.lo);
	old_xclient->broadcast_bytes_sent.hi =
				le32_to_cpu(xclient->broadcast_bytes_sent.hi);
	old_xclient->broadcast_bytes_sent.lo =
				le32_to_cpu(xclient->broadcast_bytes_sent.lo);

	fstats->host_func_stats_start = ++fstats->host_func_stats_end;
E
Eliezer Tamir 已提交
3671 3672 3673 3674

	return 0;
}

Y
Yitchak Gertner 已提交
3675
static void bnx2x_net_stats_update(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3676
{
Y
Yitchak Gertner 已提交
3677 3678
	struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
	struct bnx2x_eth_stats *estats = &bp->eth_stats;
E
Eliezer Tamir 已提交
3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690
	struct net_device_stats *nstats = &bp->dev->stats;

	nstats->rx_packets =
		bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
		bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
		bnx2x_hilo(&estats->total_broadcast_packets_received_hi);

	nstats->tx_packets =
		bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
		bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
		bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);

Y
Yitchak Gertner 已提交
3691
	nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
E
Eliezer Tamir 已提交
3692

E
Eliezer Tamir 已提交
3693
	nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
E
Eliezer Tamir 已提交
3694

Y
Yitchak Gertner 已提交
3695 3696
	nstats->rx_dropped = old_tclient->checksum_discard +
			     estats->mac_discard;
E
Eliezer Tamir 已提交
3697 3698 3699 3700 3701
	nstats->tx_dropped = 0;

	nstats->multicast =
		bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);

Y
Yitchak Gertner 已提交
3702 3703 3704 3705 3706
	nstats->collisions =
			estats->tx_stat_dot3statssinglecollisionframes_lo +
			estats->tx_stat_dot3statsmultiplecollisionframes_lo +
			estats->tx_stat_dot3statslatecollisions_lo +
			estats->tx_stat_dot3statsexcessivecollisions_lo;
E
Eliezer Tamir 已提交
3707

Y
Yitchak Gertner 已提交
3708 3709 3710 3711 3712 3713 3714
	estats->jabber_packets_received =
				old_tclient->packets_too_big_discard +
				estats->rx_stat_dot3statsframestoolong_lo;

	nstats->rx_length_errors =
				estats->rx_stat_etherstatsundersizepkts_lo +
				estats->jabber_packets_received;
Y
Yitchak Gertner 已提交
3715
	nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Y
Yitchak Gertner 已提交
3716 3717 3718
	nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
	nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
	nstats->rx_fifo_errors = old_tclient->no_buff_discard;
E
Eliezer Tamir 已提交
3719 3720 3721 3722 3723 3724
	nstats->rx_missed_errors = estats->xxoverflow_discard;

	nstats->rx_errors = nstats->rx_length_errors +
			    nstats->rx_over_errors +
			    nstats->rx_crc_errors +
			    nstats->rx_frame_errors +
E
Eliezer Tamir 已提交
3725 3726
			    nstats->rx_fifo_errors +
			    nstats->rx_missed_errors;
E
Eliezer Tamir 已提交
3727

Y
Yitchak Gertner 已提交
3728 3729 3730 3731
	nstats->tx_aborted_errors =
			estats->tx_stat_dot3statslatecollisions_lo +
			estats->tx_stat_dot3statsexcessivecollisions_lo;
	nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
E
Eliezer Tamir 已提交
3732 3733 3734 3735 3736 3737 3738 3739
	nstats->tx_fifo_errors = 0;
	nstats->tx_heartbeat_errors = 0;
	nstats->tx_window_errors = 0;

	nstats->tx_errors = nstats->tx_aborted_errors +
			    nstats->tx_carrier_errors;
}

Y
Yitchak Gertner 已提交
3740
static void bnx2x_stats_update(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3741
{
Y
Yitchak Gertner 已提交
3742 3743
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
	int update = 0;
E
Eliezer Tamir 已提交
3744

Y
Yitchak Gertner 已提交
3745 3746 3747 3748 3749
	if (*stats_comp != DMAE_COMP_VAL)
		return;

	if (bp->port.pmf)
		update = (bnx2x_hw_stats_update(bp) == 0);
E
Eliezer Tamir 已提交
3750

Y
Yitchak Gertner 已提交
3751
	update |= (bnx2x_storm_stats_update(bp) == 0);
E
Eliezer Tamir 已提交
3752

Y
Yitchak Gertner 已提交
3753 3754
	if (update)
		bnx2x_net_stats_update(bp);
E
Eliezer Tamir 已提交
3755

Y
Yitchak Gertner 已提交
3756 3757 3758 3759 3760 3761 3762 3763 3764
	else {
		if (bp->stats_pending) {
			bp->stats_pending++;
			if (bp->stats_pending == 3) {
				BNX2X_ERR("stats not updated for 3 times\n");
				bnx2x_panic();
				return;
			}
		}
E
Eliezer Tamir 已提交
3765 3766 3767
	}

	if (bp->msglevel & NETIF_MSG_TIMER) {
Y
Yitchak Gertner 已提交
3768 3769
		struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
		struct bnx2x_eth_stats *estats = &bp->eth_stats;
E
Eliezer Tamir 已提交
3770
		struct net_device_stats *nstats = &bp->dev->stats;
3771
		int i;
E
Eliezer Tamir 已提交
3772 3773 3774 3775 3776

		printk(KERN_DEBUG "%s:\n", bp->dev->name);
		printk(KERN_DEBUG "  tx avail (%4x)  tx hc idx (%x)"
				  "  tx pkt (%lx)\n",
		       bnx2x_tx_avail(bp->fp),
3777
		       le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
E
Eliezer Tamir 已提交
3778 3779
		printk(KERN_DEBUG "  rx usage (%4x)  rx hc idx (%x)"
				  "  rx pkt (%lx)\n",
3780 3781 3782
		       (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
			     bp->fp->rx_comp_cons),
		       le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
E
Eliezer Tamir 已提交
3783 3784
		printk(KERN_DEBUG "  %s (Xoff events %u)  brb drops %u\n",
		       netif_queue_stopped(bp->dev)? "Xoff" : "Xon",
Y
Yitchak Gertner 已提交
3785
		       estats->driver_xoff, estats->brb_drop_lo);
E
Eliezer Tamir 已提交
3786 3787 3788 3789 3790
		printk(KERN_DEBUG "tstats: checksum_discard %u  "
			"packets_too_big_discard %u  no_buff_discard %u  "
			"mac_discard %u  mac_filter_discard %u  "
			"xxovrflow_discard %u  brb_truncate_discard %u  "
			"ttl0_discard %u\n",
Y
Yitchak Gertner 已提交
3791 3792 3793
		       old_tclient->checksum_discard,
		       old_tclient->packets_too_big_discard,
		       old_tclient->no_buff_discard, estats->mac_discard,
E
Eliezer Tamir 已提交
3794
		       estats->mac_filter_discard, estats->xxoverflow_discard,
Y
Yitchak Gertner 已提交
3795 3796
		       estats->brb_truncate_discard,
		       old_tclient->ttl0_discard);
E
Eliezer Tamir 已提交
3797 3798 3799 3800 3801 3802 3803 3804 3805

		for_each_queue(bp, i) {
			printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
			       bnx2x_fp(bp, i, tx_pkt),
			       bnx2x_fp(bp, i, rx_pkt),
			       bnx2x_fp(bp, i, rx_calls));
		}
	}

Y
Yitchak Gertner 已提交
3806 3807 3808
	bnx2x_hw_stats_post(bp);
	bnx2x_storm_stats_post(bp);
}
E
Eliezer Tamir 已提交
3809

Y
Yitchak Gertner 已提交
3810 3811 3812 3813 3814 3815
static void bnx2x_port_stats_stop(struct bnx2x *bp)
{
	struct dmae_command *dmae;
	u32 opcode;
	int loader_idx = PMF_DMAE_C(bp);
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
E
Eliezer Tamir 已提交
3816

Y
Yitchak Gertner 已提交
3817
	bp->executer_idx = 0;
E
Eliezer Tamir 已提交
3818

Y
Yitchak Gertner 已提交
3819 3820 3821
	opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
		  DMAE_CMD_C_ENABLE |
		  DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
E
Eliezer Tamir 已提交
3822
#ifdef __BIG_ENDIAN
Y
Yitchak Gertner 已提交
3823
		  DMAE_CMD_ENDIANITY_B_DW_SWAP |
E
Eliezer Tamir 已提交
3824
#else
Y
Yitchak Gertner 已提交
3825
		  DMAE_CMD_ENDIANITY_DW_SWAP |
E
Eliezer Tamir 已提交
3826
#endif
Y
Yitchak Gertner 已提交
3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839
		  (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
		  (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));

	if (bp->port.port_stx) {

		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		if (bp->func_stx)
			dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
		else
			dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
		dmae->dst_addr_lo = bp->port.port_stx >> 2;
E
Eliezer Tamir 已提交
3840
		dmae->dst_addr_hi = 0;
Y
Yitchak Gertner 已提交
3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851
		dmae->len = sizeof(struct host_port_stats) >> 2;
		if (bp->func_stx) {
			dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
			dmae->comp_addr_hi = 0;
			dmae->comp_val = 1;
		} else {
			dmae->comp_addr_lo =
				U64_LO(bnx2x_sp_mapping(bp, stats_comp));
			dmae->comp_addr_hi =
				U64_HI(bnx2x_sp_mapping(bp, stats_comp));
			dmae->comp_val = DMAE_COMP_VAL;
E
Eliezer Tamir 已提交
3852

Y
Yitchak Gertner 已提交
3853 3854
			*stats_comp = 0;
		}
E
Eliezer Tamir 已提交
3855 3856
	}

Y
Yitchak Gertner 已提交
3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870
	if (bp->func_stx) {

		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
		dmae->dst_addr_lo = bp->func_stx >> 2;
		dmae->dst_addr_hi = 0;
		dmae->len = sizeof(struct host_func_stats) >> 2;
		dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
		dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
		dmae->comp_val = DMAE_COMP_VAL;

		*stats_comp = 0;
E
Eliezer Tamir 已提交
3871
	}
Y
Yitchak Gertner 已提交
3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886
}

static void bnx2x_stats_stop(struct bnx2x *bp)
{
	int update = 0;

	bnx2x_stats_comp(bp);

	if (bp->port.pmf)
		update = (bnx2x_hw_stats_update(bp) == 0);

	update |= (bnx2x_storm_stats_update(bp) == 0);

	if (update) {
		bnx2x_net_stats_update(bp);
E
Eliezer Tamir 已提交
3887

Y
Yitchak Gertner 已提交
3888 3889 3890 3891 3892
		if (bp->port.pmf)
			bnx2x_port_stats_stop(bp);

		bnx2x_hw_stats_post(bp);
		bnx2x_stats_comp(bp);
E
Eliezer Tamir 已提交
3893 3894 3895
	}
}

Y
Yitchak Gertner 已提交
3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930
static void bnx2x_stats_do_nothing(struct bnx2x *bp)
{
}

static const struct {
	void (*action)(struct bnx2x *bp);
	enum bnx2x_stats_state next_state;
} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
/* state	event	*/
{
/* DISABLED	PMF	*/ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
/*		LINK_UP	*/ {bnx2x_stats_start,      STATS_STATE_ENABLED},
/*		UPDATE	*/ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
/*		STOP	*/ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
},
{
/* ENABLED	PMF	*/ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
/*		LINK_UP	*/ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
/*		UPDATE	*/ {bnx2x_stats_update,     STATS_STATE_ENABLED},
/*		STOP	*/ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
}
};

static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
{
	enum bnx2x_stats_state state = bp->stats_state;

	bnx2x_stats_stm[state][event].action(bp);
	bp->stats_state = bnx2x_stats_stm[state][event].next_state;

	if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
		DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
		   state, event, bp->stats_state);
}

E
Eliezer Tamir 已提交
3931 3932 3933 3934 3935 3936 3937 3938
static void bnx2x_timer(unsigned long data)
{
	struct bnx2x *bp = (struct bnx2x *) data;

	if (!netif_running(bp->dev))
		return;

	if (atomic_read(&bp->intr_sem) != 0)
E
Eliezer Tamir 已提交
3939
		goto timer_restart;
E
Eliezer Tamir 已提交
3940 3941 3942 3943 3944 3945 3946 3947 3948

	if (poll) {
		struct bnx2x_fastpath *fp = &bp->fp[0];
		int rc;

		bnx2x_tx_int(fp, 1000);
		rc = bnx2x_rx_int(fp, 1000);
	}

3949 3950
	if (!BP_NOMCP(bp)) {
		int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
3951 3952 3953 3954 3955 3956 3957
		u32 drv_pulse;
		u32 mcp_pulse;

		++bp->fw_drv_pulse_wr_seq;
		bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
		/* TBD - add SYSTEM_TIME */
		drv_pulse = bp->fw_drv_pulse_wr_seq;
3958
		SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
E
Eliezer Tamir 已提交
3959

3960
		mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
E
Eliezer Tamir 已提交
3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972
			     MCP_PULSE_SEQ_MASK);
		/* The delta between driver pulse and mcp response
		 * should be 1 (before mcp response) or 0 (after mcp response)
		 */
		if ((drv_pulse != mcp_pulse) &&
		    (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
			/* someone lost a heartbeat... */
			BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
				  drv_pulse, mcp_pulse);
		}
	}

Y
Yitchak Gertner 已提交
3973 3974 3975
	if ((bp->state == BNX2X_STATE_OPEN) ||
	    (bp->state == BNX2X_STATE_DISABLED))
		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
E
Eliezer Tamir 已提交
3976

E
Eliezer Tamir 已提交
3977
timer_restart:
E
Eliezer Tamir 已提交
3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988
	mod_timer(&bp->timer, jiffies + bp->current_interval);
}

/* end of Statistics */

/* nic init */

/*
 * nic init service functions
 */

3989
static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
E
Eliezer Tamir 已提交
3990
{
3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004
	int port = BP_PORT(bp);

	bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
			USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
			sizeof(struct ustorm_def_status_block)/4);
	bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
			sizeof(struct cstorm_def_status_block)/4);
}

static void bnx2x_init_sb(struct bnx2x *bp, int sb_id,
			  struct host_status_block *sb,	dma_addr_t mapping)
{
	int port = BP_PORT(bp);
Y
Yitchak Gertner 已提交
4005
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4006
	int index;
4007
	u64 section;
E
Eliezer Tamir 已提交
4008 4009 4010 4011

	/* USTORM */
	section = ((u64)mapping) + offsetof(struct host_status_block,
					    u_status_block);
4012
	sb->u_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4013 4014

	REG_WR(bp, BAR_USTRORM_INTMEM +
4015
	       USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
E
Eliezer Tamir 已提交
4016
	REG_WR(bp, BAR_USTRORM_INTMEM +
4017
	       ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
E
Eliezer Tamir 已提交
4018
	       U64_HI(section));
Y
Yitchak Gertner 已提交
4019 4020
	REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
		USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
E
Eliezer Tamir 已提交
4021 4022 4023

	for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4024
			 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
E
Eliezer Tamir 已提交
4025 4026 4027 4028

	/* CSTORM */
	section = ((u64)mapping) + offsetof(struct host_status_block,
					    c_status_block);
4029
	sb->c_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4030 4031

	REG_WR(bp, BAR_CSTRORM_INTMEM +
4032
	       CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
E
Eliezer Tamir 已提交
4033
	REG_WR(bp, BAR_CSTRORM_INTMEM +
4034
	       ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
E
Eliezer Tamir 已提交
4035
	       U64_HI(section));
4036 4037
	REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
		CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
E
Eliezer Tamir 已提交
4038 4039 4040

	for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4041 4042 4043 4044 4045 4046 4047 4048
			 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);

	bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
}

static void bnx2x_zero_def_sb(struct bnx2x *bp)
{
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4049

4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061
	bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
			USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
			sizeof(struct ustorm_def_status_block)/4);
	bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
			sizeof(struct cstorm_def_status_block)/4);
	bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
			XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
			sizeof(struct xstorm_def_status_block)/4);
	bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
			TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
			sizeof(struct tstorm_def_status_block)/4);
E
Eliezer Tamir 已提交
4062 4063 4064 4065
}

static void bnx2x_init_def_sb(struct bnx2x *bp,
			      struct host_def_status_block *def_sb,
4066
			      dma_addr_t mapping, int sb_id)
E
Eliezer Tamir 已提交
4067
{
4068 4069
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4070 4071 4072 4073 4074 4075
	int index, val, reg_offset;
	u64 section;

	/* ATTN */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    atten_status_block);
4076
	def_sb->atten_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4077

4078 4079 4080
	bp->def_att_idx = 0;
	bp->attn_state = 0;

E
Eliezer Tamir 已提交
4081 4082 4083
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);

4084
	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
E
Eliezer Tamir 已提交
4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103
		bp->attn_group[index].sig[0] = REG_RD(bp,
						     reg_offset + 0x10*index);
		bp->attn_group[index].sig[1] = REG_RD(bp,
					       reg_offset + 0x4 + 0x10*index);
		bp->attn_group[index].sig[2] = REG_RD(bp,
					       reg_offset + 0x8 + 0x10*index);
		bp->attn_group[index].sig[3] = REG_RD(bp,
					       reg_offset + 0xc + 0x10*index);
	}

	reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
			     HC_REG_ATTN_MSG0_ADDR_L);

	REG_WR(bp, reg_offset, U64_LO(section));
	REG_WR(bp, reg_offset + 4, U64_HI(section));

	reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);

	val = REG_RD(bp, reg_offset);
4104
	val |= sb_id;
E
Eliezer Tamir 已提交
4105 4106 4107 4108 4109
	REG_WR(bp, reg_offset, val);

	/* USTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    u_def_status_block);
4110
	def_sb->u_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4111

4112 4113
	bp->def_u_idx = 0;

E
Eliezer Tamir 已提交
4114
	REG_WR(bp, BAR_USTRORM_INTMEM +
4115
	       USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4116
	REG_WR(bp, BAR_USTRORM_INTMEM +
4117
	       ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4118
	       U64_HI(section));
4119 4120 4121
	REG_WR8(bp, BAR_USTRORM_INTMEM +  DEF_USB_FUNC_OFF +
		USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
	REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(func),
E
Eliezer Tamir 已提交
4122 4123 4124 4125
	       BNX2X_BTR);

	for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4126
			 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4127 4128 4129 4130

	/* CSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    c_def_status_block);
4131
	def_sb->c_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4132

4133 4134
	bp->def_c_idx = 0;

E
Eliezer Tamir 已提交
4135
	REG_WR(bp, BAR_CSTRORM_INTMEM +
4136
	       CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4137
	REG_WR(bp, BAR_CSTRORM_INTMEM +
4138
	       ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4139
	       U64_HI(section));
4140 4141 4142
	REG_WR8(bp, BAR_CSTRORM_INTMEM +  DEF_CSB_FUNC_OFF +
		CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(func),
E
Eliezer Tamir 已提交
4143 4144 4145 4146
	       BNX2X_BTR);

	for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4147
			 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4148 4149 4150 4151

	/* TSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    t_def_status_block);
4152
	def_sb->t_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4153

4154 4155
	bp->def_t_idx = 0;

E
Eliezer Tamir 已提交
4156
	REG_WR(bp, BAR_TSTRORM_INTMEM +
4157
	       TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4158
	REG_WR(bp, BAR_TSTRORM_INTMEM +
4159
	       ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4160
	       U64_HI(section));
4161 4162 4163
	REG_WR8(bp, BAR_TSTRORM_INTMEM +  DEF_TSB_FUNC_OFF +
		TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(func),
E
Eliezer Tamir 已提交
4164 4165 4166 4167
	       BNX2X_BTR);

	for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_TSTRORM_INTMEM +
4168
			 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4169 4170 4171 4172

	/* XSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    x_def_status_block);
4173
	def_sb->x_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4174

4175 4176
	bp->def_x_idx = 0;

E
Eliezer Tamir 已提交
4177
	REG_WR(bp, BAR_XSTRORM_INTMEM +
4178
	       XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4179
	REG_WR(bp, BAR_XSTRORM_INTMEM +
4180
	       ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4181
	       U64_HI(section));
4182 4183 4184
	REG_WR8(bp, BAR_XSTRORM_INTMEM +  DEF_XSB_FUNC_OFF +
		XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(func),
E
Eliezer Tamir 已提交
4185 4186 4187 4188
	       BNX2X_BTR);

	for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_XSTRORM_INTMEM +
4189
			 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4190

Y
Yitchak Gertner 已提交
4191
	bp->stats_pending = 0;
Y
Yitchak Gertner 已提交
4192
	bp->set_mac_pending = 0;
Y
Yitchak Gertner 已提交
4193

4194
	bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
4195 4196 4197 4198
}

static void bnx2x_update_coalesce(struct bnx2x *bp)
{
4199
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
4200 4201 4202
	int i;

	for_each_queue(bp, i) {
4203
		int sb_id = bp->fp[i].sb_id;
E
Eliezer Tamir 已提交
4204 4205 4206

		/* HC_INDEX_U_ETH_RX_CQ_CONS */
		REG_WR8(bp, BAR_USTRORM_INTMEM +
4207
			USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
E
Eliezer Tamir 已提交
4208
						   HC_INDEX_U_ETH_RX_CQ_CONS),
4209
			bp->rx_ticks/12);
E
Eliezer Tamir 已提交
4210
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4211
			 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
E
Eliezer Tamir 已提交
4212
						   HC_INDEX_U_ETH_RX_CQ_CONS),
4213
			 bp->rx_ticks ? 0 : 1);
E
Eliezer Tamir 已提交
4214 4215 4216

		/* HC_INDEX_C_ETH_TX_CQ_CONS */
		REG_WR8(bp, BAR_CSTRORM_INTMEM +
4217
			CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
E
Eliezer Tamir 已提交
4218
						   HC_INDEX_C_ETH_TX_CQ_CONS),
4219
			bp->tx_ticks/12);
E
Eliezer Tamir 已提交
4220
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4221
			 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
E
Eliezer Tamir 已提交
4222
						   HC_INDEX_C_ETH_TX_CQ_CONS),
4223
			 bp->tx_ticks ? 0 : 1);
E
Eliezer Tamir 已提交
4224 4225 4226
	}
}

4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251
static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
				       struct bnx2x_fastpath *fp, int last)
{
	int i;

	for (i = 0; i < last; i++) {
		struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
		struct sk_buff *skb = rx_buf->skb;

		if (skb == NULL) {
			DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
			continue;
		}

		if (fp->tpa_state[i] == BNX2X_TPA_START)
			pci_unmap_single(bp->pdev,
					 pci_unmap_addr(rx_buf, mapping),
					 bp->rx_buf_use_size,
					 PCI_DMA_FROMDEVICE);

		dev_kfree_skb(skb);
		rx_buf->skb = NULL;
	}
}

E
Eliezer Tamir 已提交
4252 4253
static void bnx2x_init_rx_rings(struct bnx2x *bp)
{
4254
	int func = BP_FUNC(bp);
E
Eilon Greenstein 已提交
4255 4256 4257
	int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
					      ETH_MAX_AGGREGATION_QUEUES_E1H;
	u16 ring_prod, cqe_ring_prod;
E
Eliezer Tamir 已提交
4258 4259 4260 4261 4262 4263
	int i, j;

	bp->rx_buf_use_size = bp->dev->mtu;
	bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
	bp->rx_buf_size = bp->rx_buf_use_size + 64;

4264 4265 4266 4267 4268 4269 4270
	if (bp->flags & TPA_ENABLE_FLAG) {
		DP(NETIF_MSG_IFUP,
		   "rx_buf_use_size %d  rx_buf_size %d  effective_mtu %d\n",
		   bp->rx_buf_use_size, bp->rx_buf_size,
		   bp->dev->mtu + ETH_OVREHEAD);

		for_each_queue(bp, j) {
E
Eilon Greenstein 已提交
4271
			struct bnx2x_fastpath *fp = &bp->fp[j];
4272

E
Eilon Greenstein 已提交
4273
			for (i = 0; i < max_agg_queues; i++) {
4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292
				fp->tpa_pool[i].skb =
				   netdev_alloc_skb(bp->dev, bp->rx_buf_size);
				if (!fp->tpa_pool[i].skb) {
					BNX2X_ERR("Failed to allocate TPA "
						  "skb pool for queue[%d] - "
						  "disabling TPA on this "
						  "queue!\n", j);
					bnx2x_free_tpa_pool(bp, fp, i);
					fp->disable_tpa = 1;
					break;
				}
				pci_unmap_addr_set((struct sw_rx_bd *)
							&bp->fp->tpa_pool[i],
						   mapping, 0);
				fp->tpa_state[i] = BNX2X_TPA_STOP;
			}
		}
	}

E
Eliezer Tamir 已提交
4293 4294 4295 4296 4297
	for_each_queue(bp, j) {
		struct bnx2x_fastpath *fp = &bp->fp[j];

		fp->rx_bd_cons = 0;
		fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314
		fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;

		/* "next page" elements initialization */
		/* SGE ring */
		for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
			struct eth_rx_sge *sge;

			sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
			sge->addr_hi =
				cpu_to_le32(U64_HI(fp->rx_sge_mapping +
					BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
			sge->addr_lo =
				cpu_to_le32(U64_LO(fp->rx_sge_mapping +
					BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
		}

		bnx2x_init_sge_ring_bit_mask(fp);
E
Eliezer Tamir 已提交
4315

4316
		/* RX BD ring */
E
Eliezer Tamir 已提交
4317 4318 4319 4320 4321 4322
		for (i = 1; i <= NUM_RX_RINGS; i++) {
			struct eth_rx_bd *rx_bd;

			rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
			rx_bd->addr_hi =
				cpu_to_le32(U64_HI(fp->rx_desc_mapping +
4323
					    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
E
Eliezer Tamir 已提交
4324 4325
			rx_bd->addr_lo =
				cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4326
					    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
E
Eliezer Tamir 已提交
4327 4328
		}

4329
		/* CQ ring */
E
Eliezer Tamir 已提交
4330 4331 4332 4333 4334 4335 4336
		for (i = 1; i <= NUM_RCQ_RINGS; i++) {
			struct eth_rx_cqe_next_page *nextpg;

			nextpg = (struct eth_rx_cqe_next_page *)
				&fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
			nextpg->addr_hi =
				cpu_to_le32(U64_HI(fp->rx_comp_mapping +
4337
					   BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
E
Eliezer Tamir 已提交
4338 4339
			nextpg->addr_lo =
				cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4340
					   BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
E
Eliezer Tamir 已提交
4341 4342
		}

4343 4344 4345
		/* Allocate SGEs and initialize the ring elements */
		for (i = 0, ring_prod = 0;
		     i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
E
Eliezer Tamir 已提交
4346

4347 4348 4349 4350 4351 4352
			if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
				BNX2X_ERR("was only able to allocate "
					  "%d rx sges\n", i);
				BNX2X_ERR("disabling TPA for queue[%d]\n", j);
				/* Cleanup already allocated elements */
				bnx2x_free_rx_sge_range(bp, fp, ring_prod);
E
Eilon Greenstein 已提交
4353
				bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
4354 4355 4356 4357 4358 4359 4360 4361 4362
				fp->disable_tpa = 1;
				ring_prod = 0;
				break;
			}
			ring_prod = NEXT_SGE_IDX(ring_prod);
		}
		fp->rx_sge_prod = ring_prod;

		/* Allocate BDs and initialize BD ring */
Y
Yitchak Gertner 已提交
4363
		fp->rx_comp_cons = 0;
4364
		cqe_ring_prod = ring_prod = 0;
E
Eliezer Tamir 已提交
4365 4366 4367 4368
		for (i = 0; i < bp->rx_ring_size; i++) {
			if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
				BNX2X_ERR("was only able to allocate "
					  "%d rx skbs\n", i);
Y
Yitchak Gertner 已提交
4369
				bp->eth_stats.rx_skb_alloc_failed++;
E
Eliezer Tamir 已提交
4370 4371 4372
				break;
			}
			ring_prod = NEXT_RX_IDX(ring_prod);
4373
			cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
4374
			WARN_ON(ring_prod <= i);
E
Eliezer Tamir 已提交
4375 4376
		}

4377 4378 4379 4380
		fp->rx_bd_prod = ring_prod;
		/* must not have more available CQEs than BDs */
		fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
				       cqe_ring_prod);
E
Eliezer Tamir 已提交
4381 4382
		fp->rx_pkt = fp->rx_calls = 0;

4383 4384 4385 4386 4387 4388
		/* Warning!
		 * this will generate an interrupt (to the TSTORM)
		 * must only be done after chip is initialized
		 */
		bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
				     fp->rx_sge_prod);
E
Eliezer Tamir 已提交
4389 4390 4391 4392
		if (j != 0)
			continue;

		REG_WR(bp, BAR_USTRORM_INTMEM +
4393
		       USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
E
Eliezer Tamir 已提交
4394 4395
		       U64_LO(fp->rx_comp_mapping));
		REG_WR(bp, BAR_USTRORM_INTMEM +
4396
		       USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413
		       U64_HI(fp->rx_comp_mapping));
	}
}

static void bnx2x_init_tx_ring(struct bnx2x *bp)
{
	int i, j;

	for_each_queue(bp, j) {
		struct bnx2x_fastpath *fp = &bp->fp[j];

		for (i = 1; i <= NUM_TX_RINGS; i++) {
			struct eth_tx_bd *tx_bd =
				&fp->tx_desc_ring[TX_DESC_CNT * i - 1];

			tx_bd->addr_hi =
				cpu_to_le32(U64_HI(fp->tx_desc_mapping +
4414
					    BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
E
Eliezer Tamir 已提交
4415 4416
			tx_bd->addr_lo =
				cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4417
					    BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
E
Eliezer Tamir 已提交
4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430
		}

		fp->tx_pkt_prod = 0;
		fp->tx_pkt_cons = 0;
		fp->tx_bd_prod = 0;
		fp->tx_bd_cons = 0;
		fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
		fp->tx_pkt = 0;
	}
}

static void bnx2x_init_sp_ring(struct bnx2x *bp)
{
4431
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4432 4433 4434 4435 4436 4437 4438 4439 4440

	spin_lock_init(&bp->spq_lock);

	bp->spq_left = MAX_SPQ_PENDING;
	bp->spq_prod_idx = 0;
	bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
	bp->spq_prod_bd = bp->spq;
	bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;

4441
	REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
E
Eliezer Tamir 已提交
4442
	       U64_LO(bp->spq_mapping));
4443 4444
	REG_WR(bp,
	       XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4445 4446
	       U64_HI(bp->spq_mapping));

4447
	REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
E
Eliezer Tamir 已提交
4448 4449 4450 4451 4452 4453 4454 4455 4456 4457
	       bp->spq_prod_idx);
}

static void bnx2x_init_context(struct bnx2x *bp)
{
	int i;

	for_each_queue(bp, i) {
		struct eth_context *context = bnx2x_sp(bp, context[i].eth);
		struct bnx2x_fastpath *fp = &bp->fp[i];
4458
		u8 sb_id = FP_SB_ID(fp);
E
Eliezer Tamir 已提交
4459 4460 4461 4462 4463 4464 4465 4466 4467

		context->xstorm_st_context.tx_bd_page_base_hi =
						U64_HI(fp->tx_desc_mapping);
		context->xstorm_st_context.tx_bd_page_base_lo =
						U64_LO(fp->tx_desc_mapping);
		context->xstorm_st_context.db_data_addr_hi =
						U64_HI(fp->tx_prods_mapping);
		context->xstorm_st_context.db_data_addr_lo =
						U64_LO(fp->tx_prods_mapping);
4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480
		context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
				XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);

		context->ustorm_st_context.common.sb_index_numbers =
						BNX2X_RX_SB_INDEX_NUM;
		context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
		context->ustorm_st_context.common.status_block_id = sb_id;
		context->ustorm_st_context.common.flags =
			USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
		context->ustorm_st_context.common.mc_alignment_size = 64;
		context->ustorm_st_context.common.bd_buff_size =
						bp->rx_buf_use_size;
		context->ustorm_st_context.common.bd_page_base_hi =
E
Eliezer Tamir 已提交
4481
						U64_HI(fp->rx_desc_mapping);
4482
		context->ustorm_st_context.common.bd_page_base_lo =
E
Eliezer Tamir 已提交
4483
						U64_LO(fp->rx_desc_mapping);
4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495
		if (!fp->disable_tpa) {
			context->ustorm_st_context.common.flags |=
				(USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
				 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
			context->ustorm_st_context.common.sge_buff_size =
					(u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
			context->ustorm_st_context.common.sge_page_base_hi =
						U64_HI(fp->rx_sge_mapping);
			context->ustorm_st_context.common.sge_page_base_lo =
						U64_LO(fp->rx_sge_mapping);
		}

E
Eliezer Tamir 已提交
4496 4497
		context->cstorm_st_context.sb_index_number =
						HC_INDEX_C_ETH_TX_CQ_CONS;
4498
		context->cstorm_st_context.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512

		context->xstorm_ag_context.cdu_reserved =
			CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
					       CDU_REGION_NUMBER_XCM_AG,
					       ETH_CONNECTION_TYPE);
		context->ustorm_ag_context.cdu_usage =
			CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
					       CDU_REGION_NUMBER_UCM_AG,
					       ETH_CONNECTION_TYPE);
	}
}

static void bnx2x_init_ind_table(struct bnx2x *bp)
{
4513
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
4514 4515 4516 4517 4518
	int i;

	if (!is_multi(bp))
		return;

4519
	DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
E
Eliezer Tamir 已提交
4520
	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4521 4522
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
			TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
E
Eliezer Tamir 已提交
4523 4524 4525 4526 4527
			i % bp->num_queues);

	REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
}

4528 4529 4530
static void bnx2x_set_client_config(struct bnx2x *bp)
{
	struct tstorm_eth_client_config tstorm_client = {0};
4531 4532
	int port = BP_PORT(bp);
	int i;
4533

4534
	tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Y
Yitchak Gertner 已提交
4535
	tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4536 4537 4538
	tstorm_client.config_flags =
				TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
#ifdef BCM_VLAN
4539
	if (bp->rx_mode && bp->vlgrp) {
4540 4541 4542 4543 4544 4545
		tstorm_client.config_flags |=
				TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
		DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
	}
#endif

4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557
	if (bp->flags & TPA_ENABLE_FLAG) {
		tstorm_client.max_sges_for_packet =
			BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
		tstorm_client.max_sges_for_packet =
			((tstorm_client.max_sges_for_packet +
			  PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
			PAGES_PER_SGE_SHIFT;

		tstorm_client.config_flags |=
				TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
	}

4558 4559
	for_each_queue(bp, i) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4560
		       TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4561 4562
		       ((u32 *)&tstorm_client)[0]);
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4563
		       TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4564 4565 4566
		       ((u32 *)&tstorm_client)[1]);
	}

4567 4568
	DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
	   ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4569 4570
}

E
Eliezer Tamir 已提交
4571 4572 4573
static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
{
	struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4574 4575 4576
	int mode = bp->rx_mode;
	int mask = (1 << BP_L_ID(bp));
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4577 4578 4579 4580 4581 4582
	int i;

	DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode);

	switch (mode) {
	case BNX2X_RX_MODE_NONE: /* no Rx */
4583 4584 4585
		tstorm_mac_filter.ucast_drop_all = mask;
		tstorm_mac_filter.mcast_drop_all = mask;
		tstorm_mac_filter.bcast_drop_all = mask;
E
Eliezer Tamir 已提交
4586 4587
		break;
	case BNX2X_RX_MODE_NORMAL:
4588
		tstorm_mac_filter.bcast_accept_all = mask;
E
Eliezer Tamir 已提交
4589 4590
		break;
	case BNX2X_RX_MODE_ALLMULTI:
4591 4592
		tstorm_mac_filter.mcast_accept_all = mask;
		tstorm_mac_filter.bcast_accept_all = mask;
E
Eliezer Tamir 已提交
4593 4594
		break;
	case BNX2X_RX_MODE_PROMISC:
4595 4596 4597
		tstorm_mac_filter.ucast_accept_all = mask;
		tstorm_mac_filter.mcast_accept_all = mask;
		tstorm_mac_filter.bcast_accept_all = mask;
E
Eliezer Tamir 已提交
4598 4599
		break;
	default:
4600 4601
		BNX2X_ERR("BAD rx mode (%d)\n", mode);
		break;
E
Eliezer Tamir 已提交
4602 4603 4604 4605
	}

	for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4606
		       TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
E
Eliezer Tamir 已提交
4607 4608
		       ((u32 *)&tstorm_mac_filter)[i]);

4609
/*		DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
E
Eliezer Tamir 已提交
4610 4611 4612
		   ((u32 *)&tstorm_mac_filter)[i]); */
	}

4613 4614
	if (mode != BNX2X_RX_MODE_NONE)
		bnx2x_set_client_config(bp);
E
Eliezer Tamir 已提交
4615 4616
}

4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638
static void bnx2x_init_internal_common(struct bnx2x *bp)
{
	int i;

	/* Zero this manually as its initialization is
	   currently missing in the initTool */
	for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
		REG_WR(bp, BAR_USTRORM_INTMEM +
		       USTORM_AGG_DATA_OFFSET + i * 4, 0);
}

static void bnx2x_init_internal_port(struct bnx2x *bp)
{
	int port = BP_PORT(bp);

	REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
}

static void bnx2x_init_internal_func(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4639 4640 4641
{
	struct tstorm_eth_function_common_config tstorm_config = {0};
	struct stats_indication_flags stats_flags = {0};
4642 4643 4644
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
	int i;
4645
	u16 max_agg_size;
E
Eliezer Tamir 已提交
4646 4647 4648 4649 4650 4651

	if (is_multi(bp)) {
		tstorm_config.config_flags = MULTI_FLAGS;
		tstorm_config.rss_result_mask = MULTI_MASK;
	}

4652 4653
	tstorm_config.leading_client_id = BP_L_ID(bp);

E
Eliezer Tamir 已提交
4654
	REG_WR(bp, BAR_TSTRORM_INTMEM +
4655
	       TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
E
Eliezer Tamir 已提交
4656 4657
	       (*(u32 *)&tstorm_config));

E
Eliezer Tamir 已提交
4658
	bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
E
Eliezer Tamir 已提交
4659 4660
	bnx2x_set_storm_rx_mode(bp);

Y
Yitchak Gertner 已提交
4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674
	/* reset xstorm per client statistics */
	for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
		       i*4, 0);
	}
	/* reset tstorm per client statistics */
	for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
		       TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
		       i*4, 0);
	}

	/* Init statistics related context */
4675
	stats_flags.collect_eth = 1;
E
Eliezer Tamir 已提交
4676

Y
Yitchak Gertner 已提交
4677
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
E
Eliezer Tamir 已提交
4678
	       ((u32 *)&stats_flags)[0]);
Y
Yitchak Gertner 已提交
4679
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4680 4681
	       ((u32 *)&stats_flags)[1]);

Y
Yitchak Gertner 已提交
4682
	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
E
Eliezer Tamir 已提交
4683
	       ((u32 *)&stats_flags)[0]);
Y
Yitchak Gertner 已提交
4684
	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4685 4686
	       ((u32 *)&stats_flags)[1]);

Y
Yitchak Gertner 已提交
4687
	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
E
Eliezer Tamir 已提交
4688
	       ((u32 *)&stats_flags)[0]);
Y
Yitchak Gertner 已提交
4689
	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4690 4691
	       ((u32 *)&stats_flags)[1]);

Y
Yitchak Gertner 已提交
4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704
	REG_WR(bp, BAR_XSTRORM_INTMEM +
	       XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
	       U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
	REG_WR(bp, BAR_XSTRORM_INTMEM +
	       XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
	       U64_HI(bnx2x_sp_mapping(bp, fw_stats)));

	REG_WR(bp, BAR_TSTRORM_INTMEM +
	       TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
	       U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
	REG_WR(bp, BAR_TSTRORM_INTMEM +
	       TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
	       U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715

	if (CHIP_IS_E1H(bp)) {
		REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
			IS_E1HMF(bp));
		REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
			IS_E1HMF(bp));
		REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
			IS_E1HMF(bp));
		REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
			IS_E1HMF(bp));

4716 4717
		REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
			 bp->e1hov);
4718 4719
	}

4720 4721 4722 4723
	/* Init CQ ring mapping and aggregation size */
	max_agg_size = min((u32)(bp->rx_buf_use_size +
				 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
			   (u32)0xffff);
4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737
	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

		REG_WR(bp, BAR_USTRORM_INTMEM +
		       USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
		       U64_LO(fp->rx_comp_mapping));
		REG_WR(bp, BAR_USTRORM_INTMEM +
		       USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
		       U64_HI(fp->rx_comp_mapping));

		REG_WR16(bp, BAR_USTRORM_INTMEM +
			 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
			 max_agg_size);
	}
E
Eliezer Tamir 已提交
4738 4739
}

4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761
static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
{
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
		bnx2x_init_internal_common(bp);
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
		bnx2x_init_internal_port(bp);
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
		bnx2x_init_internal_func(bp);
		break;

	default:
		BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
		break;
	}
}

static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4762 4763 4764 4765 4766 4767
{
	int i;

	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

4768
		fp->bp = bp;
E
Eliezer Tamir 已提交
4769 4770
		fp->state = BNX2X_FP_STATE_CLOSED;
		fp->index = i;
4771 4772 4773 4774 4775 4776 4777
		fp->cl_id = BP_L_ID(bp) + i;
		fp->sb_id = fp->cl_id;
		DP(NETIF_MSG_IFUP,
		   "bnx2x_init_sb(%p,%p) index %d  cl_id %d  sb %d\n",
		   bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
		bnx2x_init_sb(bp, FP_SB_ID(fp), fp->status_blk,
			      fp->status_blk_mapping);
E
Eliezer Tamir 已提交
4778 4779 4780
	}

	bnx2x_init_def_sb(bp, bp->def_status_blk,
4781
			  bp->def_status_blk_mapping, DEF_SB_ID);
E
Eliezer Tamir 已提交
4782 4783 4784 4785 4786
	bnx2x_update_coalesce(bp);
	bnx2x_init_rx_rings(bp);
	bnx2x_init_tx_ring(bp);
	bnx2x_init_sp_ring(bp);
	bnx2x_init_context(bp);
4787
	bnx2x_init_internal(bp, load_code);
E
Eliezer Tamir 已提交
4788
	bnx2x_init_ind_table(bp);
E
Eliezer Tamir 已提交
4789
	bnx2x_int_enable(bp);
E
Eliezer Tamir 已提交
4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826
}

/* end of nic init */

/*
 * gzip service functions
 */

static int bnx2x_gunzip_init(struct bnx2x *bp)
{
	bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
					      &bp->gunzip_mapping);
	if (bp->gunzip_buf  == NULL)
		goto gunzip_nomem1;

	bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
	if (bp->strm  == NULL)
		goto gunzip_nomem2;

	bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
				      GFP_KERNEL);
	if (bp->strm->workspace == NULL)
		goto gunzip_nomem3;

	return 0;

gunzip_nomem3:
	kfree(bp->strm);
	bp->strm = NULL;

gunzip_nomem2:
	pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
			    bp->gunzip_mapping);
	bp->gunzip_buf = NULL;

gunzip_nomem1:
	printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
4827
	       " un-compression\n", bp->dev->name);
E
Eliezer Tamir 已提交
4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854
	return -ENOMEM;
}

static void bnx2x_gunzip_end(struct bnx2x *bp)
{
	kfree(bp->strm->workspace);

	kfree(bp->strm);
	bp->strm = NULL;

	if (bp->gunzip_buf) {
		pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
				    bp->gunzip_mapping);
		bp->gunzip_buf = NULL;
	}
}

static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
{
	int n, rc;

	/* check gzip header */
	if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
		return -EINVAL;

	n = 10;

4855
#define FNAME				0x8
E
Eliezer Tamir 已提交
4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891

	if (zbuf[3] & FNAME)
		while ((zbuf[n++] != 0) && (n < len));

	bp->strm->next_in = zbuf + n;
	bp->strm->avail_in = len - n;
	bp->strm->next_out = bp->gunzip_buf;
	bp->strm->avail_out = FW_BUF_SIZE;

	rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
	if (rc != Z_OK)
		return rc;

	rc = zlib_inflate(bp->strm, Z_FINISH);
	if ((rc != Z_OK) && (rc != Z_STREAM_END))
		printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
		       bp->dev->name, bp->strm->msg);

	bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
	if (bp->gunzip_outlen & 0x3)
		printk(KERN_ERR PFX "%s: Firmware decompression error:"
				    " gunzip_outlen (%d) not aligned\n",
		       bp->dev->name, bp->gunzip_outlen);
	bp->gunzip_outlen >>= 2;

	zlib_inflateEnd(bp->strm);

	if (rc == Z_STREAM_END)
		return 0;

	return rc;
}

/* nic load/unload */

/*
4892
 * General service functions
E
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4893 4894 4895 4896 4897 4898 4899 4900 4901 4902
 */

/* send a NIG loopback debug packet */
static void bnx2x_lb_pckt(struct bnx2x *bp)
{
	u32 wb_write[3];

	/* Ethernet source and destination addresses */
	wb_write[0] = 0x55555555;
	wb_write[1] = 0x55555555;
4903
	wb_write[2] = 0x20;		/* SOP */
E
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4904 4905 4906 4907 4908
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);

	/* NON-IP protocol */
	wb_write[0] = 0x09000000;
	wb_write[1] = 0x55555555;
4909
	wb_write[2] = 0x10;		/* EOP, eop_bvalid = 0 */
E
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4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
}

/* some of the internal memories
 * are not directly readable from the driver
 * to test them we send debug packets
 */
static int bnx2x_int_mem_test(struct bnx2x *bp)
{
	int factor;
	int count, i;
	u32 val = 0;

4923
	if (CHIP_REV_IS_FPGA(bp))
E
Eliezer Tamir 已提交
4924
		factor = 120;
4925 4926 4927
	else if (CHIP_REV_IS_EMUL(bp))
		factor = 200;
	else
E
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4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947
		factor = 1;

	DP(NETIF_MSG_HW, "start part1\n");

	/* Disable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
	REG_WR(bp, CFC_REG_DEBUG0, 0x1);
	NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);

	/*  Write 0 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);

	/* send Ethernet packet */
	bnx2x_lb_pckt(bp);

	/* TODO do i reset NIG statistic? */
	/* Wait until NIG register shows 1 packet of size 0x10 */
	count = 1000 * factor;
	while (count) {
4948

E
Eliezer Tamir 已提交
4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977
		bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
		val = *bnx2x_sp(bp, wb_data[0]);
		if (val == 0x10)
			break;

		msleep(10);
		count--;
	}
	if (val != 0x10) {
		BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
		return -1;
	}

	/* Wait until PRS register shows 1 packet */
	count = 1000 * factor;
	while (count) {
		val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
		if (val == 1)
			break;

		msleep(10);
		count--;
	}
	if (val != 0x1) {
		BNX2X_ERR("PRS timeout val = 0x%x\n", val);
		return -2;
	}

	/* Reset and init BRB, PRS */
4978
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
E
Eliezer Tamir 已提交
4979
	msleep(50);
4980
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
E
Eliezer Tamir 已提交
4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003
	msleep(50);
	bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
	bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);

	DP(NETIF_MSG_HW, "part2\n");

	/* Disable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
	REG_WR(bp, CFC_REG_DEBUG0, 0x1);
	NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);

	/* Write 0 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);

	/* send 10 Ethernet packets */
	for (i = 0; i < 10; i++)
		bnx2x_lb_pckt(bp);

	/* Wait until NIG register shows 10 + 1
	   packets of size 11*0x10 = 0xb0 */
	count = 1000 * factor;
	while (count) {
5004

E
Eliezer Tamir 已提交
5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075
		bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
		val = *bnx2x_sp(bp, wb_data[0]);
		if (val == 0xb0)
			break;

		msleep(10);
		count--;
	}
	if (val != 0xb0) {
		BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
		return -3;
	}

	/* Wait until PRS register shows 2 packets */
	val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
	if (val != 2)
		BNX2X_ERR("PRS timeout  val = 0x%x\n", val);

	/* Write 1 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);

	/* Wait until PRS register shows 3 packets */
	msleep(10 * factor);
	/* Wait until NIG register shows 1 packet of size 0x10 */
	val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
	if (val != 3)
		BNX2X_ERR("PRS timeout  val = 0x%x\n", val);

	/* clear NIG EOP FIFO */
	for (i = 0; i < 11; i++)
		REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
	val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
	if (val != 1) {
		BNX2X_ERR("clear of NIG failed\n");
		return -4;
	}

	/* Reset and init BRB, PRS, NIG */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
	msleep(50);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
	msleep(50);
	bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
	bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
#ifndef BCM_ISCSI
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
#endif

	/* Enable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
	REG_WR(bp, CFC_REG_DEBUG0, 0x0);
	NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x1);

	DP(NETIF_MSG_HW, "done\n");

	return 0; /* OK */
}

static void enable_blocks_attention(struct bnx2x *bp)
{
	REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
	REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
	REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
	REG_WR(bp, QM_REG_QM_INT_MASK, 0);
	REG_WR(bp, TM_REG_TM_INT_MASK, 0);
	REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
	REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
	REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
5076 5077
/*	REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
5078 5079 5080
	REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
	REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
	REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
5081 5082
/*	REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
/*	REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
5083 5084 5085 5086
	REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
	REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
	REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
	REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
5087 5088 5089 5090 5091 5092
/*	REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
	if (CHIP_REV_IS_FPGA(bp))
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
	else
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
E
Eliezer Tamir 已提交
5093 5094 5095
	REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
	REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
	REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
5096 5097
/*	REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
5098 5099
	REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
	REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5100 5101
/*	REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
	REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18);		/* bit 3,4 masked */
E
Eliezer Tamir 已提交
5102 5103
}

5104 5105

static int bnx2x_init_common(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5106 5107 5108
{
	u32 val, i;

5109
	DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_FUNC(bp));
E
Eliezer Tamir 已提交
5110

5111 5112
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
E
Eliezer Tamir 已提交
5113

5114 5115 5116
	bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
	if (CHIP_IS_E1H(bp))
		REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
E
Eliezer Tamir 已提交
5117

5118 5119 5120
	REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
	msleep(30);
	REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
E
Eliezer Tamir 已提交
5121

5122 5123 5124 5125 5126 5127
	bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
	if (CHIP_IS_E1(bp)) {
		/* enable HW interrupt from PXP on USDM overflow
		   bit 16 on INT_MASK_0 */
		REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
	}
E
Eliezer Tamir 已提交
5128

5129 5130
	bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
	bnx2x_init_pxp(bp);
E
Eliezer Tamir 已提交
5131 5132

#ifdef __BIG_ENDIAN
5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144
	REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);

/*	REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
	REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
E
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5145 5146 5147 5148 5149 5150 5151
#endif

#ifndef BCM_ISCSI
		/* set NIC mode */
		REG_WR(bp, PRS_REG_NIC_MODE, 1);
#endif

5152
	REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
E
Eliezer Tamir 已提交
5153
#ifdef BCM_ISCSI
5154 5155 5156
	REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
	REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
	REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
E
Eliezer Tamir 已提交
5157 5158
#endif

5159 5160
	if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
		REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
E
Eliezer Tamir 已提交
5161

5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174
	/* let the HW do it's magic ... */
	msleep(100);
	/* finish PXP init */
	val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
	if (val != 1) {
		BNX2X_ERR("PXP2 CFG failed\n");
		return -EBUSY;
	}
	val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
	if (val != 1) {
		BNX2X_ERR("PXP2 RD_INIT failed\n");
		return -EBUSY;
	}
E
Eliezer Tamir 已提交
5175

5176 5177
	REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
	REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
E
Eliezer Tamir 已提交
5178

5179
	bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
E
Eliezer Tamir 已提交
5180

5181 5182 5183
	/* clean the DMAE memory */
	bp->dmae_ready = 1;
	bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
E
Eliezer Tamir 已提交
5184

5185 5186 5187 5188
	bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
	bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
	bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
	bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
E
Eliezer Tamir 已提交
5189

5190 5191 5192 5193 5194 5195 5196 5197 5198
	bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);

	bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
	/* soft reset pulse */
	REG_WR(bp, QM_REG_SOFT_RESET, 1);
	REG_WR(bp, QM_REG_SOFT_RESET, 0);
E
Eliezer Tamir 已提交
5199 5200

#ifdef BCM_ISCSI
5201
	bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
E
Eliezer Tamir 已提交
5202 5203
#endif

5204 5205 5206 5207 5208 5209
	bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
	REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
	if (!CHIP_REV_IS_SLOW(bp)) {
		/* enable hw interrupt from doorbell Q */
		REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	}
E
Eliezer Tamir 已提交
5210

5211 5212 5213 5214 5215 5216 5217 5218
	bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
	if (CHIP_REV_IS_SLOW(bp)) {
		/* fix for emulation and FPGA for no pause */
		REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
		REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
		REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
		REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
	}
E
Eliezer Tamir 已提交
5219

5220 5221 5222
	bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
	if (CHIP_IS_E1H(bp))
		REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
E
Eliezer Tamir 已提交
5223

5224 5225 5226 5227
	bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
	bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
	bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
	bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
E
Eliezer Tamir 已提交
5228

5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250
	if (CHIP_IS_E1H(bp)) {
		bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp,
				TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
				0, STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp,
				CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
				0, STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp,
				XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
				0, STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp,
				USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
				0, STORM_INTMEM_SIZE_E1H/2);
	} else { /* E1 */
5251 5252 5253 5254 5255 5256 5257 5258
		bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1);
		bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1);
		bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1);
		bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1);
5259
	}
E
Eliezer Tamir 已提交
5260

5261 5262 5263 5264
	bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
	bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
	bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
	bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
E
Eliezer Tamir 已提交
5265

5266 5267 5268 5269 5270
	/* sync semi rtc */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
	       0x80000000);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
	       0x80000000);
E
Eliezer Tamir 已提交
5271

5272 5273 5274
	bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
	bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
	bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
E
Eliezer Tamir 已提交
5275

5276 5277 5278 5279 5280 5281 5282 5283
	REG_WR(bp, SRC_REG_SOFT_RST, 1);
	for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
		REG_WR(bp, i, 0xc0cac01a);
		/* TODO: replace with something meaningful */
	}
	if (CHIP_IS_E1H(bp))
		bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
	REG_WR(bp, SRC_REG_SOFT_RST, 0);
E
Eliezer Tamir 已提交
5284

5285 5286 5287 5288
	if (sizeof(union cdu_context) != 1024)
		/* we currently assume that a context is 1024 bytes */
		printk(KERN_ALERT PFX "please adjust the size of"
		       " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
E
Eliezer Tamir 已提交
5289

5290 5291 5292 5293 5294 5295 5296 5297
	bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
	val = (4 << 24) + (0 << 12) + 1024;
	REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
	if (CHIP_IS_E1(bp)) {
		/* !!! fix pxp client crdit until excel update */
		REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
		REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
	}
E
Eliezer Tamir 已提交
5298

5299 5300
	bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
	REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
E
Eliezer Tamir 已提交
5301

5302 5303
	bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
	bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
E
Eliezer Tamir 已提交
5304

5305 5306 5307 5308
	/* PXPCS COMMON comes here */
	/* Reset PCIE errors for debug */
	REG_WR(bp, 0x2814, 0xffffffff);
	REG_WR(bp, 0x3820, 0xffffffff);
E
Eliezer Tamir 已提交
5309

5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340
	/* EMAC0 COMMON comes here */
	/* EMAC1 COMMON comes here */
	/* DBU COMMON comes here */
	/* DBG COMMON comes here */

	bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
	if (CHIP_IS_E1H(bp)) {
		REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
		REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
	}

	if (CHIP_REV_IS_SLOW(bp))
		msleep(200);

	/* finish CFC init */
	val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC LL_INIT failed\n");
		return -EBUSY;
	}
	val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC AC_INIT failed\n");
		return -EBUSY;
	}
	val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC CAM_INIT failed\n");
		return -EBUSY;
	}
	REG_WR(bp, CFC_REG_DEBUG0, 0);
E
Eliezer Tamir 已提交
5341

5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361
	/* read NIG statistic
	   to see if this is our first up since powerup */
	bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
	val = *bnx2x_sp(bp, wb_data[0]);

	/* do internal memory self test */
	if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
		BNX2X_ERR("internal mem self test failed\n");
		return -EBUSY;
	}

	switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
	case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
		/* Fan failure is indicated by SPIO 5 */
		bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
			       MISC_REGISTERS_SPIO_INPUT_HI_Z);

		/* set to active low mode */
		val = REG_RD(bp, MISC_REG_SPIO_INT);
		val |= ((1 << MISC_REGISTERS_SPIO_5) <<
E
Eliezer Tamir 已提交
5362
					MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5363
		REG_WR(bp, MISC_REG_SPIO_INT, val);
E
Eliezer Tamir 已提交
5364

5365 5366 5367 5368 5369
		/* enable interrupt to signal the IGU */
		val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
		val |= (1 << MISC_REGISTERS_SPIO_5);
		REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
		break;
E
Eliezer Tamir 已提交
5370

5371 5372 5373
	default:
		break;
	}
E
Eliezer Tamir 已提交
5374

5375 5376
	/* clear PXP2 attentions */
	REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
E
Eliezer Tamir 已提交
5377

5378
	enable_blocks_attention(bp);
E
Eliezer Tamir 已提交
5379

5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390
	if (bp->flags & TPA_ENABLE_FLAG) {
		struct tstorm_eth_tpa_exist tmp = {0};

		tmp.tpa_exist = 1;

		REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
		       ((u32 *)&tmp)[0]);
		REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
		       ((u32 *)&tmp)[1]);
	}

5391 5392
	return 0;
}
E
Eliezer Tamir 已提交
5393

5394 5395 5396 5397
static int bnx2x_init_port(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;
E
Eliezer Tamir 已提交
5398

5399 5400 5401
	DP(BNX2X_MSG_MCP, "starting port init  port %x\n", port);

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
E
Eliezer Tamir 已提交
5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429

	/* Port PXP comes here */
	/* Port PXP2 comes here */
#ifdef BCM_ISCSI
	/* Port0  1
	 * Port1  385 */
	i++;
	wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
	wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
	REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
	REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));

	/* Port0  2
	 * Port1  386 */
	i++;
	wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
	wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
	REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
	REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));

	/* Port0  3
	 * Port1  387 */
	i++;
	wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
	wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
	REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
	REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
#endif
5430
	/* Port CMs come here */
E
Eliezer Tamir 已提交
5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441

	/* Port QM comes here */
#ifdef BCM_ISCSI
	REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
	REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);

	bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
			     func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
#endif
	/* Port DQ comes here */
	/* Port BRB1 comes here */
5442
	/* Port PRS comes here */
E
Eliezer Tamir 已提交
5443 5444 5445 5446
	/* Port TSDM comes here */
	/* Port CSDM comes here */
	/* Port USDM comes here */
	/* Port XSDM comes here */
5447 5448 5449 5450 5451 5452 5453 5454
	bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
			     port ? TSEM_PORT1_END : TSEM_PORT0_END);
	bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
			     port ? USEM_PORT1_END : USEM_PORT0_END);
	bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
			     port ? CSEM_PORT1_END : CSEM_PORT0_END);
	bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
			     port ? XSEM_PORT1_END : XSEM_PORT0_END);
E
Eliezer Tamir 已提交
5455
	/* Port UPB comes here */
5456 5457 5458 5459
	/* Port XPB comes here */

	bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
			     port ? PBF_PORT1_END : PBF_PORT0_END);
E
Eliezer Tamir 已提交
5460 5461

	/* configure PBF to work without PAUSE mtu 9000 */
5462
	REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
E
Eliezer Tamir 已提交
5463 5464

	/* update threshold */
5465
	REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
E
Eliezer Tamir 已提交
5466
	/* update init credit */
5467
	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
E
Eliezer Tamir 已提交
5468 5469

	/* probe changes */
5470
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
E
Eliezer Tamir 已提交
5471
	msleep(5);
5472
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
E
Eliezer Tamir 已提交
5473 5474 5475 5476 5477 5478 5479 5480 5481 5482 5483 5484 5485 5486 5487 5488 5489

#ifdef BCM_ISCSI
	/* tell the searcher where the T2 table is */
	REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);

	wb_write[0] = U64_LO(bp->t2_mapping);
	wb_write[1] = U64_HI(bp->t2_mapping);
	REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
	wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
	wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
	REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);

	REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
	/* Port SRCH comes here */
#endif
	/* Port CDU comes here */
	/* Port CFC comes here */
5490 5491 5492 5493 5494 5495 5496 5497 5498

	if (CHIP_IS_E1(bp)) {
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
	}
	bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
			     port ? HC_PORT1_END : HC_PORT0_END);

	bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
E
Eliezer Tamir 已提交
5499
				    MISC_AEU_PORT0_START,
5500 5501 5502 5503 5504 5505 5506 5507
			     port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
	/* init aeu_mask_attn_func_0/1:
	 *  - SF mode: bits 3-7 are masked. only bits 0-2 are in use
	 *  - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
	 *             bits 4-7 are used for "per vn group attention" */
	REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
	       (IS_E1HMF(bp) ? 0xF7 : 0x7));

E
Eliezer Tamir 已提交
5508 5509 5510 5511 5512
	/* Port PXPCS comes here */
	/* Port EMAC0 comes here */
	/* Port EMAC1 comes here */
	/* Port DBU comes here */
	/* Port DBG comes here */
5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536
	bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
			     port ? NIG_PORT1_END : NIG_PORT0_END);

	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);

	if (CHIP_IS_E1H(bp)) {
		u32 wsum;
		struct cmng_struct_per_port m_cmng_port;
		int vn;

		/* 0x2 disable e1hov, 0x1 enable */
		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
		       (IS_E1HMF(bp) ? 0x1 : 0x2));

		/* Init RATE SHAPING and FAIRNESS contexts.
		   Initialize as if there is 10G link. */
		wsum = bnx2x_calc_vn_wsum(bp);
		bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
		if (IS_E1HMF(bp))
			for (vn = VN_0; vn < E1HVN_MAX; vn++)
				bnx2x_init_vn_minmax(bp, 2*vn + port,
					wsum, 10000, &m_cmng_port);
	}

E
Eliezer Tamir 已提交
5537 5538 5539
	/* Port MCP comes here */
	/* Port DMAE comes here */

5540
	switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
E
Eliezer Tamir 已提交
5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551
	case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
		/* add SPIO 5 to group 0 */
		val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
		val |= AEU_INPUTS_ATTN_BITS_SPIO5;
		REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
		break;

	default:
		break;
	}

Y
Yaniv Rosner 已提交
5552
	bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
5553

5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622
	return 0;
}

#define ILT_PER_FUNC		(768/2)
#define FUNC_ILT_BASE(func)	(func * ILT_PER_FUNC)
/* the phys address is shifted right 12 bits and has an added
   1=valid bit added to the 53rd bit
   then since this is a wide register(TM)
   we split it into two 32 bit writes
 */
#define ONCHIP_ADDR1(x)		((u32)(((u64)x >> 12) & 0xFFFFFFFF))
#define ONCHIP_ADDR2(x)		((u32)((1 << 20) | ((u64)x >> 44)))
#define PXP_ONE_ILT(x)		(((x) << 10) | x)
#define PXP_ILT_RANGE(f, l)	(((l) << 10) | f)

#define CNIC_ILT_LINES		0

static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
{
	int reg;

	if (CHIP_IS_E1H(bp))
		reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
	else /* E1 */
		reg = PXP2_REG_RQ_ONCHIP_AT + index*8;

	bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
}

static int bnx2x_init_func(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
	int i;

	DP(BNX2X_MSG_MCP, "starting func init  func %x\n", func);

	i = FUNC_ILT_BASE(func);

	bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
	if (CHIP_IS_E1H(bp)) {
		REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
		REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
	} else /* E1 */
		REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
		       PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));


	if (CHIP_IS_E1H(bp)) {
		for (i = 0; i < 9; i++)
			bnx2x_init_block(bp,
					 cm_start[func][i], cm_end[func][i]);

		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
		REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
	}

	/* HC init per function */
	if (CHIP_IS_E1H(bp)) {
		REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);

		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
	}
	bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);

	if (CHIP_IS_E1H(bp))
		REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);

E
Eliezer Tamir 已提交
5623
	/* Reset PCIE errors for debug */
E
Eliezer Tamir 已提交
5624 5625 5626
	REG_WR(bp, 0x2114, 0xffffffff);
	REG_WR(bp, 0x2120, 0xffffffff);

5627 5628 5629 5630 5631 5632
	return 0;
}

static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
{
	int i, rc = 0;
E
Eliezer Tamir 已提交
5633

5634 5635
	DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
	   BP_FUNC(bp), load_code);
E
Eliezer Tamir 已提交
5636

5637 5638 5639
	bp->dmae_ready = 0;
	mutex_init(&bp->dmae_mutex);
	bnx2x_gunzip_init(bp);
E
Eliezer Tamir 已提交
5640

5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661 5662 5663 5664 5665 5666 5667 5668
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
		rc = bnx2x_init_common(bp);
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
		bp->dmae_ready = 1;
		rc = bnx2x_init_port(bp);
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
		bp->dmae_ready = 1;
		rc = bnx2x_init_func(bp);
		if (rc)
			goto init_hw_err;
		break;

	default:
		BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
		break;
	}

	if (!BP_NOMCP(bp)) {
		int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
5669 5670

		bp->fw_drv_pulse_wr_seq =
5671
				(SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
E
Eliezer Tamir 已提交
5672
				 DRV_PULSE_SEQ_MASK);
5673 5674 5675 5676 5677
		bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
		DP(BNX2X_MSG_MCP, "drv_pulse 0x%x  func_stx 0x%x\n",
		   bp->fw_drv_pulse_wr_seq, bp->func_stx);
	} else
		bp->func_stx = 0;
E
Eliezer Tamir 已提交
5678

5679 5680 5681 5682 5683 5684 5685 5686 5687
	/* this needs to be done before gunzip end */
	bnx2x_zero_def_sb(bp);
	for_each_queue(bp, i)
		bnx2x_zero_sb(bp, BP_L_ID(bp) + i);

init_hw_err:
	bnx2x_gunzip_end(bp);

	return rc;
E
Eliezer Tamir 已提交
5688 5689
}

E
Eliezer Tamir 已提交
5690
/* send the MCP a request, block until there is a reply */
E
Eliezer Tamir 已提交
5691 5692
static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
{
5693
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
5694 5695
	u32 seq = ++bp->fw_seq;
	u32 rc = 0;
5696 5697
	u32 cnt = 1;
	u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
E
Eliezer Tamir 已提交
5698

5699
	SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
E
Eliezer Tamir 已提交
5700
	DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
E
Eliezer Tamir 已提交
5701

5702 5703 5704
	do {
		/* let the FW do it's magic ... */
		msleep(delay);
E
Eliezer Tamir 已提交
5705

5706
		rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
E
Eliezer Tamir 已提交
5707

5708 5709 5710 5711 5712
		/* Give the FW up to 2 second (200*10ms) */
	} while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));

	DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
	   cnt*delay, rc, seq);
E
Eliezer Tamir 已提交
5713 5714 5715 5716

	/* is this a reply to our command? */
	if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
		rc &= FW_MSG_CODE_MASK;
E
Eliezer Tamir 已提交
5717

E
Eliezer Tamir 已提交
5718 5719 5720 5721 5722 5723
	} else {
		/* FW BUG! */
		BNX2X_ERR("FW failed to respond!\n");
		bnx2x_fw_dump(bp);
		rc = 0;
	}
E
Eliezer Tamir 已提交
5724

E
Eliezer Tamir 已提交
5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774
	return rc;
}

static void bnx2x_free_mem(struct bnx2x *bp)
{

#define BNX2X_PCI_FREE(x, y, size) \
	do { \
		if (x) { \
			pci_free_consistent(bp->pdev, size, x, y); \
			x = NULL; \
			y = 0; \
		} \
	} while (0)

#define BNX2X_FREE(x) \
	do { \
		if (x) { \
			vfree(x); \
			x = NULL; \
		} \
	} while (0)

	int i;

	/* fastpath */
	for_each_queue(bp, i) {

		/* Status blocks */
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
			       bnx2x_fp(bp, i, status_blk_mapping),
			       sizeof(struct host_status_block) +
			       sizeof(struct eth_tx_db_data));

		/* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
		BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
			       bnx2x_fp(bp, i, tx_desc_mapping),
			       sizeof(struct eth_tx_bd) * NUM_TX_BD);

		BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
			       bnx2x_fp(bp, i, rx_desc_mapping),
			       sizeof(struct eth_rx_bd) * NUM_RX_BD);

		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
			       bnx2x_fp(bp, i, rx_comp_mapping),
			       sizeof(struct eth_fast_path_rx_cqe) *
			       NUM_RCQ_BD);

5775
		/* SGE ring */
E
Eilon Greenstein 已提交
5776
		BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5777 5778 5779 5780
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
			       bnx2x_fp(bp, i, rx_sge_mapping),
			       BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
	}
E
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5781 5782 5783
	/* end of fastpath */

	BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5784
		       sizeof(struct host_def_status_block));
E
Eliezer Tamir 已提交
5785 5786

	BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5787
		       sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5788 5789 5790 5791 5792 5793 5794

#ifdef BCM_ISCSI
	BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
	BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
	BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
	BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
#endif
5795
	BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
E
Eliezer Tamir 已提交
5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 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

#undef BNX2X_PCI_FREE
#undef BNX2X_KFREE
}

static int bnx2x_alloc_mem(struct bnx2x *bp)
{

#define BNX2X_PCI_ALLOC(x, y, size) \
	do { \
		x = pci_alloc_consistent(bp->pdev, size, y); \
		if (x == NULL) \
			goto alloc_mem_err; \
		memset(x, 0, size); \
	} while (0)

#define BNX2X_ALLOC(x, size) \
	do { \
		x = vmalloc(size); \
		if (x == NULL) \
			goto alloc_mem_err; \
		memset(x, 0, size); \
	} while (0)

	int i;

	/* fastpath */
	for_each_queue(bp, i) {
		bnx2x_fp(bp, i, bp) = bp;

		/* Status blocks */
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
				&bnx2x_fp(bp, i, status_blk_mapping),
				sizeof(struct host_status_block) +
				sizeof(struct eth_tx_db_data));

		bnx2x_fp(bp, i, hw_tx_prods) =
				(void *)(bnx2x_fp(bp, i, status_blk) + 1);

		bnx2x_fp(bp, i, tx_prods_mapping) =
				bnx2x_fp(bp, i, status_blk_mapping) +
				sizeof(struct host_status_block);

		/* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
		BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
				sizeof(struct sw_tx_bd) * NUM_TX_BD);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
				&bnx2x_fp(bp, i, tx_desc_mapping),
				sizeof(struct eth_tx_bd) * NUM_TX_BD);

		BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
				sizeof(struct sw_rx_bd) * NUM_RX_BD);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
				&bnx2x_fp(bp, i, rx_desc_mapping),
				sizeof(struct eth_rx_bd) * NUM_RX_BD);

		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
				&bnx2x_fp(bp, i, rx_comp_mapping),
				sizeof(struct eth_fast_path_rx_cqe) *
				NUM_RCQ_BD);

5857 5858 5859 5860 5861 5862
		/* SGE ring */
		BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
				sizeof(struct sw_rx_page) * NUM_RX_SGE);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
				&bnx2x_fp(bp, i, rx_sge_mapping),
				BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
E
Eliezer Tamir 已提交
5863 5864 5865 5866 5867 5868 5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889
	}
	/* end of fastpath */

	BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
			sizeof(struct host_def_status_block));

	BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
			sizeof(struct bnx2x_slowpath));

#ifdef BCM_ISCSI
	BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);

	/* Initialize T1 */
	for (i = 0; i < 64*1024; i += 64) {
		*(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
		*(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
	}

	/* allocate searcher T2 table
	   we allocate 1/4 of alloc num for T2
	  (which is not entered into the ILT) */
	BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);

	/* Initialize T2 */
	for (i = 0; i < 16*1024; i += 64)
		* (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;

E
Eliezer Tamir 已提交
5890
	/* now fixup the last line in the block to point to the next block */
E
Eliezer Tamir 已提交
5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950 5951 5952
	*(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;

	/* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
	BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);

	/* QM queues (128*MAX_CONN) */
	BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
#endif

	/* Slow path ring */
	BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);

	return 0;

alloc_mem_err:
	bnx2x_free_mem(bp);
	return -ENOMEM;

#undef BNX2X_PCI_ALLOC
#undef BNX2X_ALLOC
}

static void bnx2x_free_tx_skbs(struct bnx2x *bp)
{
	int i;

	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

		u16 bd_cons = fp->tx_bd_cons;
		u16 sw_prod = fp->tx_pkt_prod;
		u16 sw_cons = fp->tx_pkt_cons;

		while (sw_cons != sw_prod) {
			bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
			sw_cons++;
		}
	}
}

static void bnx2x_free_rx_skbs(struct bnx2x *bp)
{
	int i, j;

	for_each_queue(bp, j) {
		struct bnx2x_fastpath *fp = &bp->fp[j];

		for (i = 0; i < NUM_RX_BD; i++) {
			struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
			struct sk_buff *skb = rx_buf->skb;

			if (skb == NULL)
				continue;

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

			rx_buf->skb = NULL;
			dev_kfree_skb(skb);
		}
5953
		if (!fp->disable_tpa)
E
Eilon Greenstein 已提交
5954 5955
			bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
					    ETH_MAX_AGGREGATION_QUEUES_E1 :
5956
					    ETH_MAX_AGGREGATION_QUEUES_E1H);
E
Eliezer Tamir 已提交
5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967
	}
}

static void bnx2x_free_skbs(struct bnx2x *bp)
{
	bnx2x_free_tx_skbs(bp);
	bnx2x_free_rx_skbs(bp);
}

static void bnx2x_free_msix_irqs(struct bnx2x *bp)
{
5968
	int i, offset = 1;
E
Eliezer Tamir 已提交
5969 5970

	free_irq(bp->msix_table[0].vector, bp->dev);
E
Eliezer Tamir 已提交
5971
	DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
E
Eliezer Tamir 已提交
5972 5973 5974
	   bp->msix_table[0].vector);

	for_each_queue(bp, i) {
E
Eliezer Tamir 已提交
5975
		DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq  "
5976
		   "state %x\n", i, bp->msix_table[i + offset].vector,
E
Eliezer Tamir 已提交
5977 5978
		   bnx2x_fp(bp, i, state));

5979 5980 5981
		if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
			BNX2X_ERR("IRQ of fp #%d being freed while "
				  "state != closed\n", i);
E
Eliezer Tamir 已提交
5982

5983
		free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
E
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5984 5985 5986 5987 5988 5989 5990 5991 5992 5993 5994 5995 5996 5997 5998 5999
	}
}

static void bnx2x_free_irq(struct bnx2x *bp)
{
	if (bp->flags & USING_MSIX_FLAG) {
		bnx2x_free_msix_irqs(bp);
		pci_disable_msix(bp->pdev);
		bp->flags &= ~USING_MSIX_FLAG;

	} else
		free_irq(bp->pdev->irq, bp->dev);
}

static int bnx2x_enable_msix(struct bnx2x *bp)
{
6000
	int i, rc, offset;
E
Eliezer Tamir 已提交
6001 6002

	bp->msix_table[0].entry = 0;
6003 6004
	offset = 1;
	DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
E
Eliezer Tamir 已提交
6005

6006 6007
	for_each_queue(bp, i) {
		int igu_vec = offset + i + BP_L_ID(bp);
E
Eliezer Tamir 已提交
6008

6009 6010 6011
		bp->msix_table[i + offset].entry = igu_vec;
		DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
		   "(fastpath #%u)\n", i + offset, igu_vec, i);
E
Eliezer Tamir 已提交
6012 6013
	}

6014 6015 6016 6017 6018 6019
	rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
			     bp->num_queues + offset);
	if (rc) {
		DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
		return -1;
	}
E
Eliezer Tamir 已提交
6020 6021 6022 6023 6024 6025 6026
	bp->flags |= USING_MSIX_FLAG;

	return 0;
}

static int bnx2x_req_msix_irqs(struct bnx2x *bp)
{
6027
	int i, rc, offset = 1;
E
Eliezer Tamir 已提交
6028 6029 6030 6031 6032 6033 6034 6035 6036

	rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
			 bp->dev->name, bp->dev);
	if (rc) {
		BNX2X_ERR("request sp irq failed\n");
		return -EBUSY;
	}

	for_each_queue(bp, i) {
6037
		rc = request_irq(bp->msix_table[i + offset].vector,
E
Eliezer Tamir 已提交
6038 6039 6040
				 bnx2x_msix_fp_int, 0,
				 bp->dev->name, &bp->fp[i]);
		if (rc) {
6041 6042
			BNX2X_ERR("request fp #%d irq failed  rc %d\n",
				  i + offset, rc);
E
Eliezer Tamir 已提交
6043 6044 6045 6046 6047 6048 6049 6050 6051 6052 6053 6054
			bnx2x_free_msix_irqs(bp);
			return -EBUSY;
		}

		bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
	}

	return 0;
}

static int bnx2x_req_irq(struct bnx2x *bp)
{
6055
	int rc;
E
Eliezer Tamir 已提交
6056

6057 6058
	rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
			 bp->dev->name, bp->dev);
E
Eliezer Tamir 已提交
6059 6060 6061 6062 6063 6064 6065 6066 6067 6068
	if (!rc)
		bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;

	return rc;
}

/*
 * Init service functions
 */

6069
static void bnx2x_set_mac_addr_e1(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6070 6071
{
	struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6072
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6073 6074 6075 6076 6077 6078

	/* CAM allocation
	 * unicasts 0-31:port0 32-63:port1
	 * multicast 64-127:port0 128-191:port1
	 */
	config->hdr.length_6b = 2;
6079 6080
	config->hdr.offset = port ? 31 : 0;
	config->hdr.client_id = BP_CL_ID(bp);
E
Eliezer Tamir 已提交
6081 6082 6083 6084 6085 6086 6087 6088 6089
	config->hdr.reserved1 = 0;

	/* primary MAC */
	config->config_table[0].cam_entry.msb_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[0]);
	config->config_table[0].cam_entry.middle_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[2]);
	config->config_table[0].cam_entry.lsb_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[4]);
6090
	config->config_table[0].cam_entry.flags = cpu_to_le16(port);
E
Eliezer Tamir 已提交
6091 6092 6093 6094 6095 6096 6097 6098 6099 6100 6101 6102 6103
	config->config_table[0].target_table_entry.flags = 0;
	config->config_table[0].target_table_entry.client_id = 0;
	config->config_table[0].target_table_entry.vlan_id = 0;

	DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x)\n",
	   config->config_table[0].cam_entry.msb_mac_addr,
	   config->config_table[0].cam_entry.middle_mac_addr,
	   config->config_table[0].cam_entry.lsb_mac_addr);

	/* broadcast */
	config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
	config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
	config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
6104
	config->config_table[1].cam_entry.flags = cpu_to_le16(port);
E
Eliezer Tamir 已提交
6105 6106 6107 6108 6109 6110 6111 6112 6113 6114
	config->config_table[1].target_table_entry.flags =
				TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
	config->config_table[1].target_table_entry.client_id = 0;
	config->config_table[1].target_table_entry.vlan_id = 0;

	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
		      U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
}

6115 6116 6117 6118 6119 6120 6121 6122 6123 6124 6125 6126 6127 6128 6129 6130 6131 6132 6133 6134 6135 6136 6137 6138 6139 6140 6141 6142 6143 6144 6145 6146 6147 6148 6149 6150 6151 6152 6153 6154 6155
static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp)
{
	struct mac_configuration_cmd_e1h *config =
		(struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);

	if (bp->state != BNX2X_STATE_OPEN) {
		DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
		return;
	}

	/* CAM allocation for E1H
	 * unicasts: by func number
	 * multicast: 20+FUNC*20, 20 each
	 */
	config->hdr.length_6b = 1;
	config->hdr.offset = BP_FUNC(bp);
	config->hdr.client_id = BP_CL_ID(bp);
	config->hdr.reserved1 = 0;

	/* primary MAC */
	config->config_table[0].msb_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[0]);
	config->config_table[0].middle_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[2]);
	config->config_table[0].lsb_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[4]);
	config->config_table[0].client_id = BP_L_ID(bp);
	config->config_table[0].vlan_id = 0;
	config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
	config->config_table[0].flags = BP_PORT(bp);

	DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x)  E1HOV %d  CLID %d\n",
	   config->config_table[0].msb_mac_addr,
	   config->config_table[0].middle_mac_addr,
	   config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));

	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
		      U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
}

E
Eliezer Tamir 已提交
6156 6157 6158 6159
static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int poll)
{
	/* can take a while if any port is running */
6160
	int cnt = 500;
E
Eliezer Tamir 已提交
6161

E
Eliezer Tamir 已提交
6162 6163
	DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
	   poll ? "polling" : "waiting", state, idx);
E
Eliezer Tamir 已提交
6164 6165

	might_sleep();
6166
	while (cnt--) {
E
Eliezer Tamir 已提交
6167 6168
		if (poll) {
			bnx2x_rx_int(bp->fp, 10);
6169 6170
			/* if index is different from 0
			 * the reply for some commands will
E
Eliezer Tamir 已提交
6171 6172 6173 6174 6175
			 * be on the none default queue
			 */
			if (idx)
				bnx2x_rx_int(&bp->fp[idx], 10);
		}
6176
		mb(); /* state is changed by bnx2x_sp_event() */
E
Eliezer Tamir 已提交
6177

6178
		if (*state_p == state)
E
Eliezer Tamir 已提交
6179 6180 6181 6182 6183 6184
			return 0;

		msleep(1);
	}

	/* timeout! */
6185 6186
	BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
		  poll ? "polling" : "waiting", state, idx);
6187 6188 6189
#ifdef BNX2X_STOP_ON_ERROR
	bnx2x_panic();
#endif
E
Eliezer Tamir 已提交
6190

6191
	return -EBUSY;
E
Eliezer Tamir 已提交
6192 6193 6194 6195
}

static int bnx2x_setup_leading(struct bnx2x *bp)
{
6196
	int rc;
E
Eliezer Tamir 已提交
6197

E
Eliezer Tamir 已提交
6198
	/* reset IGU state */
6199
	bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6200 6201 6202 6203

	/* SETUP ramrod */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);

6204 6205
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
E
Eliezer Tamir 已提交
6206

6207
	return rc;
E
Eliezer Tamir 已提交
6208 6209 6210 6211 6212
}

static int bnx2x_setup_multi(struct bnx2x *bp, int index)
{
	/* reset IGU state */
6213
	bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6214

6215
	/* SETUP ramrod */
E
Eliezer Tamir 已提交
6216 6217 6218 6219 6220
	bp->fp[index].state = BNX2X_FP_STATE_OPENING;
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);

	/* Wait for completion */
	return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
6221
				 &(bp->fp[index].state), 0);
E
Eliezer Tamir 已提交
6222 6223 6224 6225 6226
}

static int bnx2x_poll(struct napi_struct *napi, int budget);
static void bnx2x_set_rx_mode(struct net_device *dev);

6227 6228
/* must be called with rtnl_lock */
static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
E
Eliezer Tamir 已提交
6229
{
6230
	u32 load_code;
6231 6232 6233 6234 6235 6236
	int i, rc;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return -EPERM;
#endif
E
Eliezer Tamir 已提交
6237 6238 6239

	bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;

6240 6241 6242 6243
	/* Send LOAD_REQUEST command to MCP
	   Returns the type of LOAD command:
	   if it is the first port to be initialized
	   common blocks should be initialized, otherwise - not
E
Eliezer Tamir 已提交
6244
	*/
6245
	if (!BP_NOMCP(bp)) {
6246 6247
		load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
		if (!load_code) {
6248
			BNX2X_ERR("MCP response failure, aborting\n");
6249 6250
			return -EBUSY;
		}
6251
		if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
E
Eliezer Tamir 已提交
6252
			return -EBUSY; /* other port in diagnostic mode */
6253

E
Eliezer Tamir 已提交
6254
	} else {
6255 6256
		int port = BP_PORT(bp);

6257 6258 6259
		DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
		   load_count[0], load_count[1], load_count[2]);
		load_count[0]++;
6260
		load_count[1 + port]++;
6261 6262 6263 6264
		DP(NETIF_MSG_IFUP, "NO MCP new load counts       %d, %d, %d\n",
		   load_count[0], load_count[1], load_count[2]);
		if (load_count[0] == 1)
			load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6265
		else if (load_count[1 + port] == 1)
6266 6267 6268
			load_code = FW_MSG_CODE_DRV_LOAD_PORT;
		else
			load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
E
Eliezer Tamir 已提交
6269 6270
	}

6271 6272 6273 6274 6275 6276 6277 6278 6279
	if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
	    (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
		bp->port.pmf = 1;
	else
		bp->port.pmf = 0;
	DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);

	/* if we can't use MSI-X we only need one fp,
	 * so try to enable MSI-X with the requested number of fp's
E
Eliezer Tamir 已提交
6280 6281
	 * and fallback to inta with one fp
	 */
6282 6283 6284 6285 6286 6287 6288 6289 6290 6291 6292 6293
	if (use_inta) {
		bp->num_queues = 1;

	} else {
		if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
			/* user requested number */
			bp->num_queues = use_multi;

		else if (use_multi)
			bp->num_queues = min_t(u32, num_online_cpus(),
					       BP_MAX_QUEUES(bp));
		else
E
Eliezer Tamir 已提交
6294
			bp->num_queues = 1;
6295 6296 6297 6298 6299 6300 6301

		if (bnx2x_enable_msix(bp)) {
			/* failed to enable MSI-X */
			bp->num_queues = 1;
			if (use_multi)
				BNX2X_ERR("Multi requested but failed"
					  " to enable MSI-X\n");
E
Eliezer Tamir 已提交
6302 6303
		}
	}
6304 6305
	DP(NETIF_MSG_IFUP,
	   "set number of queues to %d\n", bp->num_queues);
E
Eliezer Tamir 已提交
6306

E
Eliezer Tamir 已提交
6307 6308 6309
	if (bnx2x_alloc_mem(bp))
		return -ENOMEM;

6310 6311 6312 6313
	for_each_queue(bp, i)
		bnx2x_fp(bp, i, disable_tpa) =
					((bp->flags & TPA_ENABLE_FLAG) == 0);

6314 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325
	if (bp->flags & USING_MSIX_FLAG) {
		rc = bnx2x_req_msix_irqs(bp);
		if (rc) {
			pci_disable_msix(bp->pdev);
			goto load_error;
		}
	} else {
		bnx2x_ack_int(bp);
		rc = bnx2x_req_irq(bp);
		if (rc) {
			BNX2X_ERR("IRQ request failed, aborting\n");
			goto load_error;
E
Eliezer Tamir 已提交
6326 6327 6328 6329 6330 6331 6332 6333
		}
	}

	for_each_queue(bp, i)
		netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
			       bnx2x_poll, 128);

	/* Initialize HW */
6334 6335
	rc = bnx2x_init_hw(bp, load_code);
	if (rc) {
E
Eliezer Tamir 已提交
6336
		BNX2X_ERR("HW init failed, aborting\n");
6337
		goto load_error;
E
Eliezer Tamir 已提交
6338 6339 6340
	}

	/* Setup NIC internals and enable interrupts */
6341
	bnx2x_nic_init(bp, load_code);
E
Eliezer Tamir 已提交
6342 6343

	/* Send LOAD_DONE command to MCP */
6344
	if (!BP_NOMCP(bp)) {
6345 6346
		load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
		if (!load_code) {
6347
			BNX2X_ERR("MCP response failure, aborting\n");
6348
			rc = -EBUSY;
6349
			goto load_int_disable;
E
Eliezer Tamir 已提交
6350 6351 6352
		}
	}

Y
Yitchak Gertner 已提交
6353 6354
	bnx2x_stats_init(bp);

E
Eliezer Tamir 已提交
6355 6356 6357 6358 6359 6360 6361
	bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;

	/* Enable Rx interrupt handling before sending the ramrod
	   as it's completed on Rx FP queue */
	for_each_queue(bp, i)
		napi_enable(&bnx2x_fp(bp, i, napi));

6362 6363 6364
	/* Enable interrupt handling */
	atomic_set(&bp->intr_sem, 0);

6365 6366
	rc = bnx2x_setup_leading(bp);
	if (rc) {
6367
		BNX2X_ERR("Setup leading failed!\n");
6368
		goto load_stop_netif;
6369
	}
E
Eliezer Tamir 已提交
6370

6371 6372 6373 6374 6375
	if (CHIP_IS_E1H(bp))
		if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
			BNX2X_ERR("!!!  mf_cfg function disabled\n");
			bp->state = BNX2X_STATE_DISABLED;
		}
E
Eliezer Tamir 已提交
6376

6377 6378 6379 6380 6381 6382
	if (bp->state == BNX2X_STATE_OPEN)
		for_each_nondefault_queue(bp, i) {
			rc = bnx2x_setup_multi(bp, i);
			if (rc)
				goto load_stop_netif;
		}
E
Eliezer Tamir 已提交
6383

6384 6385 6386 6387 6388 6389 6390
	if (CHIP_IS_E1(bp))
		bnx2x_set_mac_addr_e1(bp);
	else
		bnx2x_set_mac_addr_e1h(bp);

	if (bp->port.pmf)
		bnx2x_initial_phy_init(bp);
E
Eliezer Tamir 已提交
6391 6392

	/* Start fast path */
6393 6394 6395 6396 6397 6398 6399 6400
	switch (load_mode) {
	case LOAD_NORMAL:
		/* Tx queue should be only reenabled */
		netif_wake_queue(bp->dev);
		bnx2x_set_rx_mode(bp->dev);
		break;

	case LOAD_OPEN:
E
Eliezer Tamir 已提交
6401
		netif_start_queue(bp->dev);
6402
		bnx2x_set_rx_mode(bp->dev);
E
Eliezer Tamir 已提交
6403 6404 6405
		if (bp->flags & USING_MSIX_FLAG)
			printk(KERN_INFO PFX "%s: using MSI-X\n",
			       bp->dev->name);
6406
		break;
E
Eliezer Tamir 已提交
6407

6408
	case LOAD_DIAG:
E
Eliezer Tamir 已提交
6409
		bnx2x_set_rx_mode(bp->dev);
6410 6411 6412 6413 6414
		bp->state = BNX2X_STATE_DIAG;
		break;

	default:
		break;
E
Eliezer Tamir 已提交
6415 6416
	}

6417 6418 6419
	if (!bp->port.pmf)
		bnx2x__link_status_update(bp);

E
Eliezer Tamir 已提交
6420 6421 6422
	/* start the timer */
	mod_timer(&bp->timer, jiffies + bp->current_interval);

6423

E
Eliezer Tamir 已提交
6424 6425
	return 0;

6426
load_stop_netif:
E
Eliezer Tamir 已提交
6427 6428 6429
	for_each_queue(bp, i)
		napi_disable(&bnx2x_fp(bp, i, napi));

6430
load_int_disable:
E
Eliezer Tamir 已提交
6431
	bnx2x_int_disable_sync(bp);
E
Eliezer Tamir 已提交
6432

6433
	/* Release IRQs */
E
Eliezer Tamir 已提交
6434 6435
	bnx2x_free_irq(bp);

6436 6437 6438 6439 6440
	/* Free SKBs, SGEs, TPA pool and driver internals */
	bnx2x_free_skbs(bp);
	for_each_queue(bp, i)
		bnx2x_free_rx_sge_range(bp, bp->fp + i,
					RX_SGE_CNT*NUM_RX_SGE_PAGES);
6441
load_error:
E
Eliezer Tamir 已提交
6442 6443 6444 6445
	bnx2x_free_mem(bp);

	/* TBD we really need to reset the chip
	   if we want to recover from this */
6446
	return rc;
E
Eliezer Tamir 已提交
6447 6448 6449 6450 6451 6452
}

static int bnx2x_stop_multi(struct bnx2x *bp, int index)
{
	int rc;

E
Eliezer Tamir 已提交
6453
	/* halt the connection */
E
Eliezer Tamir 已提交
6454 6455 6456
	bp->fp[index].state = BNX2X_FP_STATE_HALTING;
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);

6457
	/* Wait for completion */
E
Eliezer Tamir 已提交
6458
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6459
			       &(bp->fp[index].state), 1);
E
Eliezer Tamir 已提交
6460
	if (rc) /* timeout */
E
Eliezer Tamir 已提交
6461 6462 6463 6464 6465
		return rc;

	/* delete cfc entry */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);

6466 6467 6468 6469
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
			       &(bp->fp[index].state), 1);
	return rc;
E
Eliezer Tamir 已提交
6470 6471
}

6472
static int bnx2x_stop_leading(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6473
{
6474
	u16 dsb_sp_prod_idx;
E
Eliezer Tamir 已提交
6475
	/* if the other port is handling traffic,
E
Eliezer Tamir 已提交
6476
	   this can take a lot of time */
6477 6478
	int cnt = 500;
	int rc;
E
Eliezer Tamir 已提交
6479 6480 6481 6482 6483

	might_sleep();

	/* Send HALT ramrod */
	bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6484
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
E
Eliezer Tamir 已提交
6485

6486 6487 6488 6489
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
			       &(bp->fp[0].state), 1);
	if (rc) /* timeout */
6490
		return rc;
E
Eliezer Tamir 已提交
6491

6492
	dsb_sp_prod_idx = *bp->dsb_sp_prod;
E
Eliezer Tamir 已提交
6493

6494
	/* Send PORT_DELETE ramrod */
E
Eliezer Tamir 已提交
6495 6496
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);

6497
	/* Wait for completion to arrive on default status block
E
Eliezer Tamir 已提交
6498 6499 6500
	   we are going to reset the chip anyway
	   so there is not much to do if this times out
	 */
6501
	while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
6502
		msleep(1);
6503 6504 6505 6506 6507 6508
		if (!cnt) {
			DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
			   "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
			   *bp->dsb_sp_prod, dsb_sp_prod_idx);
#ifdef BNX2X_STOP_ON_ERROR
			bnx2x_panic();
6509 6510
#else
			rc = -EBUSY;
6511 6512 6513 6514
#endif
			break;
		}
		cnt--;
6515
		msleep(1);
6516 6517 6518
	}
	bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
	bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6519 6520

	return rc;
E
Eliezer Tamir 已提交
6521 6522
}

6523 6524 6525 6526 6527 6528 6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557 6558 6559 6560 6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594
static void bnx2x_reset_func(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
	int base, i;

	/* Configure IGU */
	REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
	REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);

	REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);

	/* Clear ILT */
	base = FUNC_ILT_BASE(func);
	for (i = base; i < base + ILT_PER_FUNC; i++)
		bnx2x_ilt_wr(bp, i, 0);
}

static void bnx2x_reset_port(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);

	/* Do not rcv packets to BRB */
	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
	/* Do not direct rcv packets that are not for MCP to the BRB */
	REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
			   NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);

	/* Configure AEU */
	REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);

	msleep(100);
	/* Check for BRB port occupancy */
	val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
	if (val)
		DP(NETIF_MSG_IFDOWN,
		   "BRB1 is not empty  %d blooks are occupied\n", val);

	/* TODO: Close Doorbell port? */
}

static void bnx2x_reset_common(struct bnx2x *bp)
{
	/* reset_common */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
	       0xd3ffff7f);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
}

static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
{
	DP(BNX2X_MSG_MCP, "function %d  reset_code %x\n",
	   BP_FUNC(bp), reset_code);

	switch (reset_code) {
	case FW_MSG_CODE_DRV_UNLOAD_COMMON:
		bnx2x_reset_port(bp);
		bnx2x_reset_func(bp);
		bnx2x_reset_common(bp);
		break;

	case FW_MSG_CODE_DRV_UNLOAD_PORT:
		bnx2x_reset_port(bp);
		bnx2x_reset_func(bp);
		break;

	case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
		bnx2x_reset_func(bp);
		break;
6595

6596 6597 6598 6599 6600 6601 6602 6603
	default:
		BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
		break;
	}
}

/* msut be called with rtnl_lock */
static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
E
Eliezer Tamir 已提交
6604
{
6605
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6606
	u32 reset_code = 0;
6607
	int i, cnt, rc;
E
Eliezer Tamir 已提交
6608 6609 6610

	bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;

6611 6612
	bp->rx_mode = BNX2X_RX_MODE_NONE;
	bnx2x_set_storm_rx_mode(bp);
E
Eliezer Tamir 已提交
6613

6614 6615 6616 6617 6618
	if (netif_running(bp->dev)) {
		netif_tx_disable(bp->dev);
		bp->dev->trans_start = jiffies;	/* prevent tx timeout */
	}

6619 6620 6621
	del_timer_sync(&bp->timer);
	SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
		 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Y
Yitchak Gertner 已提交
6622
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6623

6624
	/* Wait until tx fast path tasks complete */
6625 6626 6627
	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

6628 6629
		cnt = 1000;
		smp_rmb();
6630 6631 6632 6633 6634
		while (BNX2X_HAS_TX_WORK(fp)) {

			if (!netif_running(bp->dev))
				bnx2x_tx_int(fp, 1000);

6635 6636 6637 6638 6639 6640 6641 6642 6643 6644 6645
			if (!cnt) {
				BNX2X_ERR("timeout waiting for queue[%d]\n",
					  i);
#ifdef BNX2X_STOP_ON_ERROR
				bnx2x_panic();
				return -EBUSY;
#else
				break;
#endif
			}
			cnt--;
6646
			msleep(1);
6647 6648
			smp_rmb();
		}
6649
	}
E
Eliezer Tamir 已提交
6650

6651 6652
	/* Give HW time to discard old tx messages */
	msleep(1);
E
Eliezer Tamir 已提交
6653

6654 6655 6656 6657
	for_each_queue(bp, i)
		napi_disable(&bnx2x_fp(bp, i, napi));
	/* Disable interrupts after Tx and Rx are disabled on stack level */
	bnx2x_int_disable_sync(bp);
E
Eliezer Tamir 已提交
6658

6659 6660 6661
	/* Release IRQs */
	bnx2x_free_irq(bp);

6662 6663 6664 6665
	if (unload_mode == UNLOAD_NORMAL)
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

	else if (bp->flags & NO_WOL_FLAG) {
E
Eliezer Tamir 已提交
6666
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6667 6668
		if (CHIP_IS_E1H(bp))
			REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6669

6670 6671
	} else if (bp->wol) {
		u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eliezer Tamir 已提交
6672
		u8 *mac_addr = bp->dev->dev_addr;
6673 6674 6675
		u32 val;
		/* The mac address is written to entries 1-4 to
		   preserve entry 0 which is used by the PMF */
6676 6677
		u8 entry = (BP_E1HVN(bp) + 1)*8;

E
Eliezer Tamir 已提交
6678
		val = (mac_addr[0] << 8) | mac_addr[1];
6679
		EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + entry, val);
E
Eliezer Tamir 已提交
6680 6681 6682

		val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
		      (mac_addr[4] << 8) | mac_addr[5];
6683
		EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
E
Eliezer Tamir 已提交
6684 6685

		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6686

E
Eliezer Tamir 已提交
6687 6688 6689
	} else
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

6690 6691 6692
	if (CHIP_IS_E1H(bp))
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);

6693 6694
	/* Close multi and leading connections
	   Completions for ramrods are collected in a synchronous way */
E
Eliezer Tamir 已提交
6695 6696
	for_each_nondefault_queue(bp, i)
		if (bnx2x_stop_multi(bp, i))
6697
			goto unload_error;
E
Eliezer Tamir 已提交
6698

6699 6700
	rc = bnx2x_stop_leading(bp);
	if (rc) {
6701
		BNX2X_ERR("Stop leading failed!\n");
6702
#ifdef BNX2X_STOP_ON_ERROR
6703
		return -EBUSY;
6704 6705
#else
		goto unload_error;
6706
#endif
6707 6708 6709
	}

unload_error:
6710
	if (!BP_NOMCP(bp))
6711
		reset_code = bnx2x_fw_command(bp, reset_code);
6712 6713 6714 6715
	else {
		DP(NETIF_MSG_IFDOWN, "NO MCP load counts      %d, %d, %d\n",
		   load_count[0], load_count[1], load_count[2]);
		load_count[0]--;
6716
		load_count[1 + port]--;
6717 6718 6719 6720
		DP(NETIF_MSG_IFDOWN, "NO MCP new load counts  %d, %d, %d\n",
		   load_count[0], load_count[1], load_count[2]);
		if (load_count[0] == 0)
			reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6721
		else if (load_count[1 + port] == 0)
6722 6723 6724 6725
			reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
		else
			reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
	}
E
Eliezer Tamir 已提交
6726

6727 6728 6729
	if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
	    (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
		bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
6730 6731

	/* Reset the chip */
6732
	bnx2x_reset_chip(bp, reset_code);
E
Eliezer Tamir 已提交
6733 6734

	/* Report UNLOAD_DONE to MCP */
6735
	if (!BP_NOMCP(bp))
E
Eliezer Tamir 已提交
6736 6737
		bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);

6738
	/* Free SKBs, SGEs, TPA pool and driver internals */
E
Eliezer Tamir 已提交
6739
	bnx2x_free_skbs(bp);
6740 6741 6742
	for_each_queue(bp, i)
		bnx2x_free_rx_sge_range(bp, bp->fp + i,
					RX_SGE_CNT*NUM_RX_SGE_PAGES);
E
Eliezer Tamir 已提交
6743 6744 6745
	bnx2x_free_mem(bp);

	bp->state = BNX2X_STATE_CLOSED;
6746

E
Eliezer Tamir 已提交
6747 6748 6749 6750 6751
	netif_carrier_off(bp->dev);

	return 0;
}

6752 6753 6754 6755 6756 6757 6758 6759 6760 6761 6762 6763 6764 6765 6766 6767 6768 6769 6770 6771 6772 6773 6774
static void bnx2x_reset_task(struct work_struct *work)
{
	struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);

#ifdef BNX2X_STOP_ON_ERROR
	BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
		  " so reset not done to allow debug dump,\n"
	 KERN_ERR " you will need to reboot when done\n");
	return;
#endif

	rtnl_lock();

	if (!netif_running(bp->dev))
		goto reset_task_exit;

	bnx2x_nic_unload(bp, UNLOAD_NORMAL);
	bnx2x_nic_load(bp, LOAD_NORMAL);

reset_task_exit:
	rtnl_unlock();
}

E
Eliezer Tamir 已提交
6775 6776 6777 6778 6779 6780 6781 6782
/* end of nic load/unload */

/* ethtool_ops */

/*
 * Init service functions
 */

6783 6784 6785 6786 6787 6788 6789 6790 6791 6792
static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
{
	u32 val;

	/* Check if there is any driver already loaded */
	val = REG_RD(bp, MISC_REG_UNPREPARED);
	if (val == 0x1) {
		/* Check if it is the UNDI driver
		 * UNDI driver initializes CID offset for normal bell to 0x7
		 */
Y
Yitchak Gertner 已提交
6793
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6794 6795 6796
		val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
		if (val == 0x7) {
			u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6797
			/* save our func */
6798
			int func = BP_FUNC(bp);
6799 6800
			u32 swap_en;
			u32 swap_val;
6801 6802 6803 6804 6805

			BNX2X_DEV_INFO("UNDI is active! reset device\n");

			/* try unload UNDI on port 0 */
			bp->func = 0;
6806 6807 6808
			bp->fw_seq =
			       (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
				DRV_MSG_SEQ_NUMBER_MASK);
6809 6810 6811 6812 6813
			reset_code = bnx2x_fw_command(bp, reset_code);

			/* if UNDI is loaded on the other port */
			if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {

6814 6815 6816 6817
				/* send "DONE" for previous unload */
				bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);

				/* unload UNDI on port 1 */
6818
				bp->func = 1;
6819 6820 6821 6822 6823 6824
				bp->fw_seq =
			       (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
					DRV_MSG_SEQ_NUMBER_MASK);
				reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

				bnx2x_fw_command(bp, reset_code);
6825 6826
			}

6827 6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848
			REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
				    HC_REG_CONFIG_0), 0x1000);

			/* close input traffic and wait for it */
			/* Do not rcv packets to BRB */
			REG_WR(bp,
			      (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
					     NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
			/* Do not direct rcv packets that are not for MCP to
			 * the BRB */
			REG_WR(bp,
			       (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
					      NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
			/* clear AEU */
			REG_WR(bp,
			     (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
					    MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
			msleep(10);

			/* save NIG port swap info */
			swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
			swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6849 6850 6851
			/* reset device */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6852
			       0xd3ffffff);
6853 6854 6855
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
			       0x1403);
6856 6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868 6869 6870
			/* take the NIG out of reset and restore swap values */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
			       MISC_REGISTERS_RESET_REG_1_RST_NIG);
			REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
			REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);

			/* send unload done to the MCP */
			bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);

			/* restore our func and fw_seq */
			bp->func = func;
			bp->fw_seq =
			       (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
				DRV_MSG_SEQ_NUMBER_MASK);
6871
		}
Y
Yitchak Gertner 已提交
6872
		bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6873 6874 6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885 6886 6887 6888 6889 6890 6891 6892 6893 6894 6895 6896 6897 6898 6899 6900 6901 6902 6903 6904 6905 6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926 6927 6928 6929 6930 6931 6932 6933 6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948 6949
	}
}

static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
{
	u32 val, val2, val3, val4, id;

	/* Get the chip revision id and number. */
	/* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
	val = REG_RD(bp, MISC_REG_CHIP_NUM);
	id = ((val & 0xffff) << 16);
	val = REG_RD(bp, MISC_REG_CHIP_REV);
	id |= ((val & 0xf) << 12);
	val = REG_RD(bp, MISC_REG_CHIP_METAL);
	id |= ((val & 0xff) << 4);
	REG_RD(bp, MISC_REG_BOND_ID);
	id |= (val & 0xf);
	bp->common.chip_id = id;
	bp->link_params.chip_id = bp->common.chip_id;
	BNX2X_DEV_INFO("chip ID is 0x%x\n", id);

	val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
	bp->common.flash_size = (NVRAM_1MB_SIZE <<
				 (val & MCPR_NVM_CFG4_FLASH_SIZE));
	BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
		       bp->common.flash_size, bp->common.flash_size);

	bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
	bp->link_params.shmem_base = bp->common.shmem_base;
	BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);

	if (!bp->common.shmem_base ||
	    (bp->common.shmem_base < 0xA0000) ||
	    (bp->common.shmem_base >= 0xC0000)) {
		BNX2X_DEV_INFO("MCP not active\n");
		bp->flags |= NO_MCP_FLAG;
		return;
	}

	val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
	if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		!= (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		BNX2X_ERR("BAD MCP validity signature\n");

	bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
	bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);

	BNX2X_DEV_INFO("hw_config 0x%08x  board 0x%08x\n",
		       bp->common.hw_config, bp->common.board);

	bp->link_params.hw_led_mode = ((bp->common.hw_config &
					SHARED_HW_CFG_LED_MODE_MASK) >>
				       SHARED_HW_CFG_LED_MODE_SHIFT);

	val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
	bp->common.bc_ver = val;
	BNX2X_DEV_INFO("bc_ver %X\n", val);
	if (val < BNX2X_BC_VER) {
		/* for now only warn
		 * later we might need to enforce this */
		BNX2X_ERR("This driver needs bc_ver %X but found %X,"
			  " please upgrade BC\n", BNX2X_BC_VER, val);
	}
	BNX2X_DEV_INFO("%sWoL Capable\n",
		       (bp->flags & NO_WOL_FLAG)? "Not " : "");

	val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
	val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
	val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
	val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);

	printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
	       val, val2, val3, val4);
}

static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
						    u32 switch_cfg)
E
Eliezer Tamir 已提交
6950
{
6951
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6952 6953 6954 6955 6956 6957
	u32 ext_phy_type;

	switch (switch_cfg) {
	case SWITCH_CFG_1G:
		BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);

Y
Yaniv Rosner 已提交
6958 6959
		ext_phy_type =
			SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
6960 6961 6962 6963 6964
		switch (ext_phy_type) {
		case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
				       ext_phy_type);

6965 6966 6967 6968 6969 6970 6971 6972 6973 6974 6975
			bp->port.supported |= (SUPPORTED_10baseT_Half |
					       SUPPORTED_10baseT_Full |
					       SUPPORTED_100baseT_Half |
					       SUPPORTED_100baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_2500baseX_Full |
					       SUPPORTED_TP |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
6976 6977 6978 6979 6980 6981
			break;

		case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
				       ext_phy_type);

6982 6983 6984 6985 6986 6987 6988 6989 6990 6991
			bp->port.supported |= (SUPPORTED_10baseT_Half |
					       SUPPORTED_10baseT_Full |
					       SUPPORTED_100baseT_Half |
					       SUPPORTED_100baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_TP |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
6992 6993 6994 6995 6996
			break;

		default:
			BNX2X_ERR("NVRAM config error. "
				  "BAD SerDes ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
6997
				  bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
6998 6999 7000
			return;
		}

7001 7002 7003
		bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
					   port*0x10);
		BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
E
Eliezer Tamir 已提交
7004 7005 7006 7007 7008
		break;

	case SWITCH_CFG_10G:
		BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);

Y
Yaniv Rosner 已提交
7009 7010
		ext_phy_type =
			XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7011 7012 7013 7014 7015
		switch (ext_phy_type) {
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
				       ext_phy_type);

7016 7017 7018 7019 7020 7021 7022 7023 7024 7025 7026 7027
			bp->port.supported |= (SUPPORTED_10baseT_Half |
					       SUPPORTED_10baseT_Full |
					       SUPPORTED_100baseT_Half |
					       SUPPORTED_100baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_2500baseX_Full |
					       SUPPORTED_10000baseT_Full |
					       SUPPORTED_TP |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7028 7029 7030
			break;

		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
E
Eliezer Tamir 已提交
7031
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7032
				       ext_phy_type);
E
Eliezer Tamir 已提交
7033

7034 7035 7036 7037
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7038 7039
			break;

E
Eliezer Tamir 已提交
7040
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
E
Eliezer Tamir 已提交
7041 7042 7043
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
				       ext_phy_type);

7044 7045 7046 7047 7048
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7049 7050 7051 7052
			break;

		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
E
Eliezer Tamir 已提交
7053 7054
				       ext_phy_type);

7055 7056 7057 7058 7059 7060
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7061 7062
			break;

Y
Yaniv Rosner 已提交
7063 7064 7065 7066
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
				       ext_phy_type);

7067 7068 7069 7070 7071 7072 7073
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_2500baseX_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
Y
Yaniv Rosner 已提交
7074 7075
			break;

E
Eliezer Tamir 已提交
7076 7077 7078 7079
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
				       ext_phy_type);

7080 7081 7082 7083 7084
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_TP |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7085 7086
			break;

Y
Yaniv Rosner 已提交
7087 7088 7089 7090 7091
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
			BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
				  bp->link_params.ext_phy_config);
			break;

E
Eliezer Tamir 已提交
7092 7093 7094
		default:
			BNX2X_ERR("NVRAM config error. "
				  "BAD XGXS ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
7095
				  bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7096 7097 7098
			return;
		}

7099 7100 7101
		bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
					   port*0x18);
		BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
E
Eliezer Tamir 已提交
7102 7103 7104 7105 7106

		break;

	default:
		BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7107
			  bp->port.link_config);
E
Eliezer Tamir 已提交
7108 7109
		return;
	}
7110
	bp->link_params.phy_addr = bp->port.phy_addr;
E
Eliezer Tamir 已提交
7111 7112

	/* mask what we support according to speed_cap_mask */
Y
Yaniv Rosner 已提交
7113 7114
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7115
		bp->port.supported &= ~SUPPORTED_10baseT_Half;
E
Eliezer Tamir 已提交
7116

Y
Yaniv Rosner 已提交
7117 7118
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7119
		bp->port.supported &= ~SUPPORTED_10baseT_Full;
E
Eliezer Tamir 已提交
7120

Y
Yaniv Rosner 已提交
7121 7122
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7123
		bp->port.supported &= ~SUPPORTED_100baseT_Half;
E
Eliezer Tamir 已提交
7124

Y
Yaniv Rosner 已提交
7125 7126
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7127
		bp->port.supported &= ~SUPPORTED_100baseT_Full;
E
Eliezer Tamir 已提交
7128

Y
Yaniv Rosner 已提交
7129 7130
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7131 7132
		bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
					SUPPORTED_1000baseT_Full);
E
Eliezer Tamir 已提交
7133

Y
Yaniv Rosner 已提交
7134 7135
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7136
		bp->port.supported &= ~SUPPORTED_2500baseX_Full;
E
Eliezer Tamir 已提交
7137

Y
Yaniv Rosner 已提交
7138 7139
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7140
		bp->port.supported &= ~SUPPORTED_10000baseT_Full;
E
Eliezer Tamir 已提交
7141

7142
	BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
E
Eliezer Tamir 已提交
7143 7144
}

7145
static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
E
Eliezer Tamir 已提交
7146
{
Y
Yaniv Rosner 已提交
7147
	bp->link_params.req_duplex = DUPLEX_FULL;
E
Eliezer Tamir 已提交
7148

7149
	switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
E
Eliezer Tamir 已提交
7150
	case PORT_FEATURE_LINK_SPEED_AUTO:
7151
		if (bp->port.supported & SUPPORTED_Autoneg) {
Y
Yaniv Rosner 已提交
7152
			bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7153
			bp->port.advertising = bp->port.supported;
E
Eliezer Tamir 已提交
7154
		} else {
Y
Yaniv Rosner 已提交
7155 7156 7157 7158 7159 7160 7161
			u32 ext_phy_type =
			    XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);

			if ((ext_phy_type ==
			     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
			    (ext_phy_type ==
			     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
E
Eliezer Tamir 已提交
7162
				/* force 10G, no AN */
Y
Yaniv Rosner 已提交
7163
				bp->link_params.req_line_speed = SPEED_10000;
7164
				bp->port.advertising =
E
Eliezer Tamir 已提交
7165 7166 7167 7168 7169 7170 7171
						(ADVERTISED_10000baseT_Full |
						 ADVERTISED_FIBRE);
				break;
			}
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  Autoneg not supported\n",
7172
				  bp->port.link_config);
E
Eliezer Tamir 已提交
7173 7174 7175 7176 7177
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10M_FULL:
7178
		if (bp->port.supported & SUPPORTED_10baseT_Full) {
Y
Yaniv Rosner 已提交
7179
			bp->link_params.req_line_speed = SPEED_10;
7180 7181
			bp->port.advertising = (ADVERTISED_10baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7182 7183 7184 7185
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7186
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7187
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7188 7189 7190 7191 7192
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10M_HALF:
7193
		if (bp->port.supported & SUPPORTED_10baseT_Half) {
Y
Yaniv Rosner 已提交
7194 7195
			bp->link_params.req_line_speed = SPEED_10;
			bp->link_params.req_duplex = DUPLEX_HALF;
7196 7197
			bp->port.advertising = (ADVERTISED_10baseT_Half |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7198 7199 7200 7201
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7202
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7203
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7204 7205 7206 7207 7208
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_100M_FULL:
7209
		if (bp->port.supported & SUPPORTED_100baseT_Full) {
Y
Yaniv Rosner 已提交
7210
			bp->link_params.req_line_speed = SPEED_100;
7211 7212
			bp->port.advertising = (ADVERTISED_100baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7213 7214 7215 7216
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7217
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7218
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7219 7220 7221 7222 7223
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_100M_HALF:
7224
		if (bp->port.supported & SUPPORTED_100baseT_Half) {
Y
Yaniv Rosner 已提交
7225 7226
			bp->link_params.req_line_speed = SPEED_100;
			bp->link_params.req_duplex = DUPLEX_HALF;
7227 7228
			bp->port.advertising = (ADVERTISED_100baseT_Half |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7229 7230 7231 7232
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7233
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7234
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7235 7236 7237 7238 7239
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_1G:
7240
		if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Y
Yaniv Rosner 已提交
7241
			bp->link_params.req_line_speed = SPEED_1000;
7242 7243
			bp->port.advertising = (ADVERTISED_1000baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7244 7245 7246 7247
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7248
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7249
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7250 7251 7252 7253 7254
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_2_5G:
7255
		if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Y
Yaniv Rosner 已提交
7256
			bp->link_params.req_line_speed = SPEED_2500;
7257 7258
			bp->port.advertising = (ADVERTISED_2500baseX_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7259 7260 7261 7262
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7263
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7264
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7265 7266 7267 7268 7269 7270 7271
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10G_CX4:
	case PORT_FEATURE_LINK_SPEED_10G_KX4:
	case PORT_FEATURE_LINK_SPEED_10G_KR:
7272
		if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Y
Yaniv Rosner 已提交
7273
			bp->link_params.req_line_speed = SPEED_10000;
7274 7275
			bp->port.advertising = (ADVERTISED_10000baseT_Full |
						ADVERTISED_FIBRE);
E
Eliezer Tamir 已提交
7276 7277 7278 7279
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7280
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7281
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7282 7283 7284 7285 7286 7287 7288
			return;
		}
		break;

	default:
		BNX2X_ERR("NVRAM config error. "
			  "BAD link speed link_config 0x%x\n",
7289
			  bp->port.link_config);
Y
Yaniv Rosner 已提交
7290
		bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7291
		bp->port.advertising = bp->port.supported;
E
Eliezer Tamir 已提交
7292 7293 7294
		break;
	}

7295 7296
	bp->link_params.req_flow_ctrl = (bp->port.link_config &
					 PORT_FEATURE_FLOW_CONTROL_MASK);
Y
Yaniv Rosner 已提交
7297
	if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
R
Randy Dunlap 已提交
7298
	    !(bp->port.supported & SUPPORTED_Autoneg))
Y
Yaniv Rosner 已提交
7299
		bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
E
Eliezer Tamir 已提交
7300

Y
Yaniv Rosner 已提交
7301
	BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d  req_flow_ctrl 0x%x"
E
Eliezer Tamir 已提交
7302
		       "  advertising 0x%x\n",
Y
Yaniv Rosner 已提交
7303 7304
		       bp->link_params.req_line_speed,
		       bp->link_params.req_duplex,
7305
		       bp->link_params.req_flow_ctrl, bp->port.advertising);
E
Eliezer Tamir 已提交
7306 7307
}

7308
static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
E
Eliezer Tamir 已提交
7309
{
7310 7311
	int port = BP_PORT(bp);
	u32 val, val2;
E
Eliezer Tamir 已提交
7312

Y
Yaniv Rosner 已提交
7313
	bp->link_params.bp = bp;
7314
	bp->link_params.port = port;
Y
Yaniv Rosner 已提交
7315 7316

	bp->link_params.serdes_config =
E
Eliezer Tamir 已提交
7317
		SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Y
Yaniv Rosner 已提交
7318
	bp->link_params.lane_config =
E
Eliezer Tamir 已提交
7319
		SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Y
Yaniv Rosner 已提交
7320
	bp->link_params.ext_phy_config =
E
Eliezer Tamir 已提交
7321 7322
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].external_phy_config);
Y
Yaniv Rosner 已提交
7323
	bp->link_params.speed_cap_mask =
E
Eliezer Tamir 已提交
7324 7325 7326
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask);

7327
	bp->port.link_config =
E
Eliezer Tamir 已提交
7328 7329
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);

7330 7331 7332
	BNX2X_DEV_INFO("serdes_config 0x%08x  lane_config 0x%08x\n"
	     KERN_INFO "  ext_phy_config 0x%08x  speed_cap_mask 0x%08x"
		       "  link_config 0x%08x\n",
Y
Yaniv Rosner 已提交
7333 7334 7335
		       bp->link_params.serdes_config,
		       bp->link_params.lane_config,
		       bp->link_params.ext_phy_config,
7336
		       bp->link_params.speed_cap_mask, bp->port.link_config);
E
Eliezer Tamir 已提交
7337

7338
	bp->link_params.switch_cfg = (bp->port.link_config &
Y
Yaniv Rosner 已提交
7339 7340
				      PORT_FEATURE_CONNECTED_SWITCH_MASK);
	bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
E
Eliezer Tamir 已提交
7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 7351

	bnx2x_link_settings_requested(bp);

	val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
	val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
	bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
	bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
	bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
	bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
	bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
	bp->dev->dev_addr[5] = (u8)(val & 0xff);
Y
Yaniv Rosner 已提交
7352 7353
	memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
	memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7354 7355 7356 7357 7358 7359 7360
}

static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
{
	int func = BP_FUNC(bp);
	u32 val, val2;
	int rc = 0;
E
Eliezer Tamir 已提交
7361

7362
	bnx2x_get_common_hwinfo(bp);
E
Eliezer Tamir 已提交
7363

7364 7365 7366 7367 7368
	bp->e1hov = 0;
	bp->e1hmf = 0;
	if (CHIP_IS_E1H(bp)) {
		bp->mf_config =
			SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
E
Eliezer Tamir 已提交
7369

7370 7371 7372 7373
		val =
		   (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
		    FUNC_MF_CFG_E1HOV_TAG_MASK);
		if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
E
Eliezer Tamir 已提交
7374

7375 7376 7377 7378 7379 7380 7381 7382 7383 7384 7385 7386 7387 7388
			bp->e1hov = val;
			bp->e1hmf = 1;
			BNX2X_DEV_INFO("MF mode  E1HOV for func %d is %d "
				       "(0x%04x)\n",
				       func, bp->e1hov, bp->e1hov);
		} else {
			BNX2X_DEV_INFO("Single function mode\n");
			if (BP_E1HVN(bp)) {
				BNX2X_ERR("!!!  No valid E1HOV for func %d,"
					  "  aborting\n", func);
				rc = -EPERM;
			}
		}
	}
E
Eliezer Tamir 已提交
7389

7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412
	if (!BP_NOMCP(bp)) {
		bnx2x_get_port_hwinfo(bp);

		bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
			      DRV_MSG_SEQ_NUMBER_MASK);
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}

	if (IS_E1HMF(bp)) {
		val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
		val = SHMEM_RD(bp,  mf_cfg.func_mf_config[func].mac_lower);
		if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
		    (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
			bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
			bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
			bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
			bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
			bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
			bp->dev->dev_addr[5] = (u8)(val & 0xff);
			memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
			       ETH_ALEN);
			memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
			       ETH_ALEN);
E
Eliezer Tamir 已提交
7413
		}
7414 7415

		return rc;
E
Eliezer Tamir 已提交
7416 7417
	}

7418 7419 7420 7421 7422 7423
	if (BP_NOMCP(bp)) {
		/* only supposed to happen on emulation/FPGA */
		BNX2X_ERR("warning rendom MAC workaround active\n");
		random_ether_addr(bp->dev->dev_addr);
		memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
	}
E
Eliezer Tamir 已提交
7424

7425 7426 7427 7428 7429 7430 7431 7432
	return rc;
}

static int __devinit bnx2x_init_bp(struct bnx2x *bp)
{
	int func = BP_FUNC(bp);
	int rc;

7433 7434 7435
	/* Disable interrupt handling until HW is initialized */
	atomic_set(&bp->intr_sem, 1);

7436
	mutex_init(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
7437

7438 7439 7440 7441 7442 7443 7444 7445 7446 7447 7448 7449 7450 7451 7452 7453
	INIT_WORK(&bp->sp_task, bnx2x_sp_task);
	INIT_WORK(&bp->reset_task, bnx2x_reset_task);

	rc = bnx2x_get_hwinfo(bp);

	/* need to reset chip if undi was active */
	if (!BP_NOMCP(bp))
		bnx2x_undi_unload(bp);

	if (CHIP_REV_IS_FPGA(bp))
		printk(KERN_ERR PFX "FPGA detected\n");

	if (BP_NOMCP(bp) && (func == 0))
		printk(KERN_ERR PFX
		       "MCP disabled, must load devices in order!\n");

7454 7455 7456 7457 7458 7459 7460 7461 7462 7463
	/* Set TPA flags */
	if (disable_tpa) {
		bp->flags &= ~TPA_ENABLE_FLAG;
		bp->dev->features &= ~NETIF_F_LRO;
	} else {
		bp->flags |= TPA_ENABLE_FLAG;
		bp->dev->features |= NETIF_F_LRO;
	}


7464 7465 7466 7467 7468 7469 7470 7471 7472 7473 7474 7475 7476 7477 7478 7479 7480 7481
	bp->tx_ring_size = MAX_TX_AVAIL;
	bp->rx_ring_size = MAX_RX_AVAIL;

	bp->rx_csum = 1;
	bp->rx_offset = 0;

	bp->tx_ticks = 50;
	bp->rx_ticks = 25;

	bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
	bp->current_interval = (poll ? poll : bp->timer_interval);

	init_timer(&bp->timer);
	bp->timer.expires = jiffies + bp->current_interval;
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2x_timer;

	return rc;
E
Eliezer Tamir 已提交
7482 7483 7484 7485 7486 7487 7488 7489 7490 7491 7492 7493
}

/*
 * ethtool service functions
 */

/* All ethtool functions called with rtnl_lock */

static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct bnx2x *bp = netdev_priv(dev);

7494 7495
	cmd->supported = bp->port.supported;
	cmd->advertising = bp->port.advertising;
E
Eliezer Tamir 已提交
7496 7497

	if (netif_carrier_ok(dev)) {
Y
Yaniv Rosner 已提交
7498 7499
		cmd->speed = bp->link_vars.line_speed;
		cmd->duplex = bp->link_vars.duplex;
E
Eliezer Tamir 已提交
7500
	} else {
Y
Yaniv Rosner 已提交
7501 7502
		cmd->speed = bp->link_params.req_line_speed;
		cmd->duplex = bp->link_params.req_duplex;
E
Eliezer Tamir 已提交
7503
	}
7504 7505 7506 7507 7508 7509 7510 7511
	if (IS_E1HMF(bp)) {
		u16 vn_max_rate;

		vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
				FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
		if (vn_max_rate < cmd->speed)
			cmd->speed = vn_max_rate;
	}
E
Eliezer Tamir 已提交
7512

Y
Yaniv Rosner 已提交
7513 7514 7515
	if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
		u32 ext_phy_type =
			XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7516 7517 7518 7519 7520 7521

		switch (ext_phy_type) {
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Y
Yaniv Rosner 已提交
7522
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
E
Eliezer Tamir 已提交
7523 7524 7525 7526 7527 7528 7529
			cmd->port = PORT_FIBRE;
			break;

		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
			cmd->port = PORT_TP;
			break;

Y
Yaniv Rosner 已提交
7530 7531 7532 7533 7534
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
			BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
				  bp->link_params.ext_phy_config);
			break;

E
Eliezer Tamir 已提交
7535 7536
		default:
			DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
7537 7538
			   bp->link_params.ext_phy_config);
			break;
E
Eliezer Tamir 已提交
7539 7540
		}
	} else
E
Eliezer Tamir 已提交
7541 7542
		cmd->port = PORT_TP;

7543
	cmd->phy_address = bp->port.phy_addr;
E
Eliezer Tamir 已提交
7544 7545
	cmd->transceiver = XCVR_INTERNAL;

Y
Yaniv Rosner 已提交
7546
	if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
E
Eliezer Tamir 已提交
7547
		cmd->autoneg = AUTONEG_ENABLE;
E
Eliezer Tamir 已提交
7548
	else
E
Eliezer Tamir 已提交
7549 7550 7551 7552 7553 7554 7555 7556 7557 7558 7559 7560 7561 7562 7563 7564 7565 7566 7567 7568 7569
		cmd->autoneg = AUTONEG_DISABLE;

	cmd->maxtxpkt = 0;
	cmd->maxrxpkt = 0;

	DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
	   DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
	   DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
	   DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
	   cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
	   cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
	   cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);

	return 0;
}

static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct bnx2x *bp = netdev_priv(dev);
	u32 advertising;

7570 7571 7572
	if (IS_E1HMF(bp))
		return 0;

E
Eliezer Tamir 已提交
7573 7574 7575 7576 7577 7578 7579 7580 7581
	DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
	   DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
	   DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
	   DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
	   cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
	   cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
	   cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);

	if (cmd->autoneg == AUTONEG_ENABLE) {
7582 7583
		if (!(bp->port.supported & SUPPORTED_Autoneg)) {
			DP(NETIF_MSG_LINK, "Autoneg not supported\n");
E
Eliezer Tamir 已提交
7584
			return -EINVAL;
E
Eliezer Tamir 已提交
7585
		}
E
Eliezer Tamir 已提交
7586 7587

		/* advertise the requested speed and duplex if supported */
7588
		cmd->advertising &= bp->port.supported;
E
Eliezer Tamir 已提交
7589

Y
Yaniv Rosner 已提交
7590 7591
		bp->link_params.req_line_speed = SPEED_AUTO_NEG;
		bp->link_params.req_duplex = DUPLEX_FULL;
7592 7593
		bp->port.advertising |= (ADVERTISED_Autoneg |
					 cmd->advertising);
E
Eliezer Tamir 已提交
7594 7595 7596 7597 7598 7599

	} else { /* forced speed */
		/* advertise the requested speed and duplex if supported */
		switch (cmd->speed) {
		case SPEED_10:
			if (cmd->duplex == DUPLEX_FULL) {
7600
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7601 7602 7603
				      SUPPORTED_10baseT_Full)) {
					DP(NETIF_MSG_LINK,
					   "10M full not supported\n");
E
Eliezer Tamir 已提交
7604
					return -EINVAL;
E
Eliezer Tamir 已提交
7605
				}
E
Eliezer Tamir 已提交
7606 7607 7608 7609

				advertising = (ADVERTISED_10baseT_Full |
					       ADVERTISED_TP);
			} else {
7610
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7611 7612 7613
				      SUPPORTED_10baseT_Half)) {
					DP(NETIF_MSG_LINK,
					   "10M half not supported\n");
E
Eliezer Tamir 已提交
7614
					return -EINVAL;
E
Eliezer Tamir 已提交
7615
				}
E
Eliezer Tamir 已提交
7616 7617 7618 7619 7620 7621 7622 7623

				advertising = (ADVERTISED_10baseT_Half |
					       ADVERTISED_TP);
			}
			break;

		case SPEED_100:
			if (cmd->duplex == DUPLEX_FULL) {
7624
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7625 7626 7627
						SUPPORTED_100baseT_Full)) {
					DP(NETIF_MSG_LINK,
					   "100M full not supported\n");
E
Eliezer Tamir 已提交
7628
					return -EINVAL;
E
Eliezer Tamir 已提交
7629
				}
E
Eliezer Tamir 已提交
7630 7631 7632 7633

				advertising = (ADVERTISED_100baseT_Full |
					       ADVERTISED_TP);
			} else {
7634
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7635 7636 7637
						SUPPORTED_100baseT_Half)) {
					DP(NETIF_MSG_LINK,
					   "100M half not supported\n");
E
Eliezer Tamir 已提交
7638
					return -EINVAL;
E
Eliezer Tamir 已提交
7639
				}
E
Eliezer Tamir 已提交
7640 7641 7642 7643 7644 7645 7646

				advertising = (ADVERTISED_100baseT_Half |
					       ADVERTISED_TP);
			}
			break;

		case SPEED_1000:
E
Eliezer Tamir 已提交
7647 7648
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK, "1G half not supported\n");
E
Eliezer Tamir 已提交
7649
				return -EINVAL;
E
Eliezer Tamir 已提交
7650
			}
E
Eliezer Tamir 已提交
7651

7652
			if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
E
Eliezer Tamir 已提交
7653
				DP(NETIF_MSG_LINK, "1G full not supported\n");
E
Eliezer Tamir 已提交
7654
				return -EINVAL;
E
Eliezer Tamir 已提交
7655
			}
E
Eliezer Tamir 已提交
7656 7657 7658 7659 7660 7661

			advertising = (ADVERTISED_1000baseT_Full |
				       ADVERTISED_TP);
			break;

		case SPEED_2500:
E
Eliezer Tamir 已提交
7662 7663 7664
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK,
				   "2.5G half not supported\n");
E
Eliezer Tamir 已提交
7665
				return -EINVAL;
E
Eliezer Tamir 已提交
7666
			}
E
Eliezer Tamir 已提交
7667

7668
			if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
E
Eliezer Tamir 已提交
7669 7670
				DP(NETIF_MSG_LINK,
				   "2.5G full not supported\n");
E
Eliezer Tamir 已提交
7671
				return -EINVAL;
E
Eliezer Tamir 已提交
7672
			}
E
Eliezer Tamir 已提交
7673

E
Eliezer Tamir 已提交
7674
			advertising = (ADVERTISED_2500baseX_Full |
E
Eliezer Tamir 已提交
7675 7676 7677 7678
				       ADVERTISED_TP);
			break;

		case SPEED_10000:
E
Eliezer Tamir 已提交
7679 7680
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK, "10G half not supported\n");
E
Eliezer Tamir 已提交
7681
				return -EINVAL;
E
Eliezer Tamir 已提交
7682
			}
E
Eliezer Tamir 已提交
7683

7684
			if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
E
Eliezer Tamir 已提交
7685
				DP(NETIF_MSG_LINK, "10G full not supported\n");
E
Eliezer Tamir 已提交
7686
				return -EINVAL;
E
Eliezer Tamir 已提交
7687
			}
E
Eliezer Tamir 已提交
7688 7689 7690 7691 7692 7693

			advertising = (ADVERTISED_10000baseT_Full |
				       ADVERTISED_FIBRE);
			break;

		default:
E
Eliezer Tamir 已提交
7694
			DP(NETIF_MSG_LINK, "Unsupported speed\n");
E
Eliezer Tamir 已提交
7695 7696 7697
			return -EINVAL;
		}

Y
Yaniv Rosner 已提交
7698 7699
		bp->link_params.req_line_speed = cmd->speed;
		bp->link_params.req_duplex = cmd->duplex;
7700
		bp->port.advertising = advertising;
E
Eliezer Tamir 已提交
7701 7702
	}

Y
Yaniv Rosner 已提交
7703
	DP(NETIF_MSG_LINK, "req_line_speed %d\n"
E
Eliezer Tamir 已提交
7704
	   DP_LEVEL "  req_duplex %d  advertising 0x%x\n",
Y
Yaniv Rosner 已提交
7705
	   bp->link_params.req_line_speed, bp->link_params.req_duplex,
7706
	   bp->port.advertising);
E
Eliezer Tamir 已提交
7707

7708
	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
7709
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7710 7711
		bnx2x_link_set(bp);
	}
E
Eliezer Tamir 已提交
7712 7713 7714 7715

	return 0;
}

Y
Yaniv Rosner 已提交
7716 7717
#define PHY_FW_VER_LEN			10

E
Eliezer Tamir 已提交
7718 7719 7720 7721
static void bnx2x_get_drvinfo(struct net_device *dev,
			      struct ethtool_drvinfo *info)
{
	struct bnx2x *bp = netdev_priv(dev);
Y
Yaniv Rosner 已提交
7722
	char phy_fw_ver[PHY_FW_VER_LEN];
E
Eliezer Tamir 已提交
7723 7724 7725

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
Y
Yaniv Rosner 已提交
7726 7727

	phy_fw_ver[0] = '\0';
7728
	if (bp->port.pmf) {
Y
Yitchak Gertner 已提交
7729
		bnx2x_acquire_phy_lock(bp);
7730 7731 7732
		bnx2x_get_ext_phy_fw_version(&bp->link_params,
					     (bp->state != BNX2X_STATE_CLOSED),
					     phy_fw_ver, PHY_FW_VER_LEN);
Y
Yitchak Gertner 已提交
7733
		bnx2x_release_phy_lock(bp);
7734
	}
Y
Yaniv Rosner 已提交
7735 7736

	snprintf(info->fw_version, 32, "%d.%d.%d:%d BC:%x%s%s",
E
Eliezer Tamir 已提交
7737
		 BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION,
Y
Yaniv Rosner 已提交
7738
		 BCM_5710_FW_REVISION_VERSION,
7739
		 BCM_5710_FW_COMPILE_FLAGS, bp->common.bc_ver,
Y
Yaniv Rosner 已提交
7740
		 ((phy_fw_ver[0] != '\0')? " PHY:":""), phy_fw_ver);
E
Eliezer Tamir 已提交
7741 7742 7743
	strcpy(info->bus_info, pci_name(bp->pdev));
	info->n_stats = BNX2X_NUM_STATS;
	info->testinfo_len = BNX2X_NUM_TESTS;
7744
	info->eedump_len = bp->common.flash_size;
E
Eliezer Tamir 已提交
7745 7746 7747 7748 7749 7750 7751 7752 7753 7754 7755 7756 7757 7758 7759 7760 7761 7762 7763 7764 7765 7766 7767 7768 7769 7770 7771 7772 7773 7774 7775 7776
	info->regdump_len = 0;
}

static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct bnx2x *bp = netdev_priv(dev);

	if (bp->flags & NO_WOL_FLAG) {
		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 bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct bnx2x *bp = netdev_priv(dev);

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

	if (wol->wolopts & WAKE_MAGIC) {
		if (bp->flags & NO_WOL_FLAG)
			return -EINVAL;

		bp->wol = 1;
7777
	} else
E
Eliezer Tamir 已提交
7778
		bp->wol = 0;
7779

E
Eliezer Tamir 已提交
7780 7781 7782 7783 7784 7785 7786 7787 7788 7789 7790 7791 7792 7793 7794 7795 7796 7797 7798 7799 7800 7801
	return 0;
}

static u32 bnx2x_get_msglevel(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	return bp->msglevel;
}

static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
{
	struct bnx2x *bp = netdev_priv(dev);

	if (capable(CAP_NET_ADMIN))
		bp->msglevel = level;
}

static int bnx2x_nway_reset(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

7802 7803
	if (!bp->port.pmf)
		return 0;
E
Eliezer Tamir 已提交
7804

7805
	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
7806
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7807 7808
		bnx2x_link_set(bp);
	}
E
Eliezer Tamir 已提交
7809 7810 7811 7812 7813 7814 7815 7816

	return 0;
}

static int bnx2x_get_eeprom_len(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

7817
	return bp->common.flash_size;
E
Eliezer Tamir 已提交
7818 7819 7820 7821
}

static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
{
7822
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7823 7824 7825 7826 7827 7828 7829 7830 7831 7832 7833 7834 7835 7836 7837 7838 7839 7840 7841 7842 7843
	int count, i;
	u32 val = 0;

	/* adjust timeout for emulation/FPGA */
	count = NVRAM_TIMEOUT_COUNT;
	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* request access to nvram interface */
	REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
	       (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));

	for (i = 0; i < count*10; i++) {
		val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
		if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
			break;

		udelay(5);
	}

	if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
7844
		DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
E
Eliezer Tamir 已提交
7845 7846 7847 7848 7849 7850 7851 7852
		return -EBUSY;
	}

	return 0;
}

static int bnx2x_release_nvram_lock(struct bnx2x *bp)
{
7853
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7854 7855 7856 7857 7858 7859 7860 7861 7862 7863 7864 7865 7866 7867 7868 7869 7870 7871 7872 7873 7874
	int count, i;
	u32 val = 0;

	/* adjust timeout for emulation/FPGA */
	count = NVRAM_TIMEOUT_COUNT;
	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* relinquish nvram interface */
	REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
	       (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));

	for (i = 0; i < count*10; i++) {
		val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
		if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
			break;

		udelay(5);
	}

	if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
7875
		DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
E
Eliezer Tamir 已提交
7876 7877 7878 7879 7880 7881 7882 7883 7884 7885 7886 7887 7888 7889 7890 7891 7892 7893 7894 7895 7896 7897 7898 7899 7900 7901 7902 7903 7904 7905 7906 7907 7908
		return -EBUSY;
	}

	return 0;
}

static void bnx2x_enable_nvram_access(struct bnx2x *bp)
{
	u32 val;

	val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);

	/* enable both bits, even on read */
	REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
	       (val | MCPR_NVM_ACCESS_ENABLE_EN |
		      MCPR_NVM_ACCESS_ENABLE_WR_EN));
}

static void bnx2x_disable_nvram_access(struct bnx2x *bp)
{
	u32 val;

	val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);

	/* disable both bits, even after read */
	REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
	       (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
			MCPR_NVM_ACCESS_ENABLE_WR_EN)));
}

static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
				  u32 cmd_flags)
{
E
Eliezer Tamir 已提交
7909
	int count, i, rc;
E
Eliezer Tamir 已提交
7910 7911 7912 7913 7914 7915 7916 7917 7918 7919 7920 7921 7922 7923 7924 7925 7926 7927 7928 7929 7930 7931 7932 7933 7934 7935 7936 7937 7938 7939 7940 7941 7942 7943 7944 7945 7946 7947 7948 7949 7950 7951 7952 7953 7954 7955 7956 7957 7958 7959
	u32 val;

	/* build the command word */
	cmd_flags |= MCPR_NVM_COMMAND_DOIT;

	/* need to clear DONE bit separately */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);

	/* address of the NVRAM to read from */
	REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
	       (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));

	/* issue a read command */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);

	/* adjust timeout for emulation/FPGA */
	count = NVRAM_TIMEOUT_COUNT;
	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* wait for completion */
	*ret_val = 0;
	rc = -EBUSY;
	for (i = 0; i < count; i++) {
		udelay(5);
		val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);

		if (val & MCPR_NVM_COMMAND_DONE) {
			val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
			/* we read nvram data in cpu order
			 * but ethtool sees it as an array of bytes
			 * converting to big-endian will do the work */
			val = cpu_to_be32(val);
			*ret_val = val;
			rc = 0;
			break;
		}
	}

	return rc;
}

static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
			    int buf_size)
{
	int rc;
	u32 cmd_flags;
	u32 val;

	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
7960
		DP(BNX2X_MSG_NVM,
E
Eliezer Tamir 已提交
7961
		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
E
Eliezer Tamir 已提交
7962 7963 7964 7965
		   offset, buf_size);
		return -EINVAL;
	}

7966 7967
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
7968
				  " buf_size (0x%x) > flash_size (0x%x)\n",
7969
		   offset, buf_size, bp->common.flash_size);
E
Eliezer Tamir 已提交
7970 7971 7972 7973 7974 7975 7976 7977 7978 7979 7980 7981 7982 7983 7984 7985 7986 7987 7988 7989 7990 7991 7992 7993 7994 7995 7996 7997 7998 7999 8000 8001 8002 8003 8004 8005 8006 8007 8008 8009 8010 8011 8012
		return -EINVAL;
	}

	/* request access to nvram interface */
	rc = bnx2x_acquire_nvram_lock(bp);
	if (rc)
		return rc;

	/* enable access to nvram interface */
	bnx2x_enable_nvram_access(bp);

	/* read the first word(s) */
	cmd_flags = MCPR_NVM_COMMAND_FIRST;
	while ((buf_size > sizeof(u32)) && (rc == 0)) {
		rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
		memcpy(ret_buf, &val, 4);

		/* advance to the next dword */
		offset += sizeof(u32);
		ret_buf += sizeof(u32);
		buf_size -= sizeof(u32);
		cmd_flags = 0;
	}

	if (rc == 0) {
		cmd_flags |= MCPR_NVM_COMMAND_LAST;
		rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
		memcpy(ret_buf, &val, 4);
	}

	/* disable access to nvram interface */
	bnx2x_disable_nvram_access(bp);
	bnx2x_release_nvram_lock(bp);

	return rc;
}

static int bnx2x_get_eeprom(struct net_device *dev,
			    struct ethtool_eeprom *eeprom, u8 *eebuf)
{
	struct bnx2x *bp = netdev_priv(dev);
	int rc;

8013
	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
E
Eliezer Tamir 已提交
8014 8015 8016 8017 8018 8019 8020 8021 8022 8023 8024 8025 8026 8027
	   DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
	   eeprom->len, eeprom->len);

	/* parameters already validated in ethtool_get_eeprom */

	rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);

	return rc;
}

static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
				   u32 cmd_flags)
{
E
Eliezer Tamir 已提交
8028
	int count, i, rc;
E
Eliezer Tamir 已提交
8029 8030 8031 8032 8033 8034 8035 8036 8037 8038 8039 8040 8041 8042 8043 8044 8045 8046 8047 8048 8049 8050 8051 8052 8053 8054 8055 8056 8057 8058 8059 8060 8061 8062 8063 8064

	/* build the command word */
	cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;

	/* need to clear DONE bit separately */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);

	/* write the data */
	REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);

	/* address of the NVRAM to write to */
	REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
	       (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));

	/* issue the write command */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);

	/* adjust timeout for emulation/FPGA */
	count = NVRAM_TIMEOUT_COUNT;
	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* wait for completion */
	rc = -EBUSY;
	for (i = 0; i < count; i++) {
		udelay(5);
		val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
		if (val & MCPR_NVM_COMMAND_DONE) {
			rc = 0;
			break;
		}
	}

	return rc;
}

E
Eliezer Tamir 已提交
8065
#define BYTE_OFFSET(offset)		(8 * (offset & 0x03))
E
Eliezer Tamir 已提交
8066 8067 8068 8069 8070 8071 8072 8073 8074

static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
			      int buf_size)
{
	int rc;
	u32 cmd_flags;
	u32 align_offset;
	u32 val;

8075 8076
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
8077
				  " buf_size (0x%x) > flash_size (0x%x)\n",
8078
		   offset, buf_size, bp->common.flash_size);
E
Eliezer Tamir 已提交
8079 8080 8081 8082 8083 8084 8085 8086 8087 8088 8089 8090 8091 8092 8093 8094 8095 8096 8097 8098 8099 8100 8101 8102 8103 8104 8105 8106 8107 8108 8109 8110 8111 8112 8113 8114 8115 8116 8117 8118 8119 8120
		return -EINVAL;
	}

	/* request access to nvram interface */
	rc = bnx2x_acquire_nvram_lock(bp);
	if (rc)
		return rc;

	/* enable access to nvram interface */
	bnx2x_enable_nvram_access(bp);

	cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
	align_offset = (offset & ~0x03);
	rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);

	if (rc == 0) {
		val &= ~(0xff << BYTE_OFFSET(offset));
		val |= (*data_buf << BYTE_OFFSET(offset));

		/* nvram data is returned as an array of bytes
		 * convert it back to cpu order */
		val = be32_to_cpu(val);

		rc = bnx2x_nvram_write_dword(bp, align_offset, val,
					     cmd_flags);
	}

	/* disable access to nvram interface */
	bnx2x_disable_nvram_access(bp);
	bnx2x_release_nvram_lock(bp);

	return rc;
}

static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
			     int buf_size)
{
	int rc;
	u32 cmd_flags;
	u32 val;
	u32 written_so_far;

8121
	if (buf_size == 1)	/* ethtool */
E
Eliezer Tamir 已提交
8122 8123 8124
		return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);

	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8125
		DP(BNX2X_MSG_NVM,
E
Eliezer Tamir 已提交
8126
		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
E
Eliezer Tamir 已提交
8127 8128 8129 8130
		   offset, buf_size);
		return -EINVAL;
	}

8131 8132
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
8133
				  " buf_size (0x%x) > flash_size (0x%x)\n",
8134
		   offset, buf_size, bp->common.flash_size);
E
Eliezer Tamir 已提交
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		return -EINVAL;
	}

	/* request access to nvram interface */
	rc = bnx2x_acquire_nvram_lock(bp);
	if (rc)
		return rc;

	/* enable access to nvram interface */
	bnx2x_enable_nvram_access(bp);

	written_so_far = 0;
	cmd_flags = MCPR_NVM_COMMAND_FIRST;
	while ((written_so_far < buf_size) && (rc == 0)) {
		if (written_so_far == (buf_size - sizeof(u32)))
			cmd_flags |= MCPR_NVM_COMMAND_LAST;
		else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
			cmd_flags |= MCPR_NVM_COMMAND_LAST;
		else if ((offset % NVRAM_PAGE_SIZE) == 0)
			cmd_flags |= MCPR_NVM_COMMAND_FIRST;

		memcpy(&val, data_buf, 4);

		rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);

		/* advance to the next dword */
		offset += sizeof(u32);
		data_buf += sizeof(u32);
		written_so_far += sizeof(u32);
		cmd_flags = 0;
	}

	/* disable access to nvram interface */
	bnx2x_disable_nvram_access(bp);
	bnx2x_release_nvram_lock(bp);

	return rc;
}

static int bnx2x_set_eeprom(struct net_device *dev,
			    struct ethtool_eeprom *eeprom, u8 *eebuf)
{
	struct bnx2x *bp = netdev_priv(dev);
	int rc;

8180
	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
E
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8181 8182 8183 8184 8185 8186
	   DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
	   eeprom->len, eeprom->len);

	/* parameters already validated in ethtool_set_eeprom */

Y
Yaniv Rosner 已提交
8187
	/* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8188 8189 8190
	if (eeprom->magic == 0x00504859)
		if (bp->port.pmf) {

Y
Yitchak Gertner 已提交
8191
			bnx2x_acquire_phy_lock(bp);
8192 8193 8194 8195
			rc = bnx2x_flash_download(bp, BP_PORT(bp),
					     bp->link_params.ext_phy_config,
					     (bp->state != BNX2X_STATE_CLOSED),
					     eebuf, eeprom->len);
Y
Yitchak Gertner 已提交
8196 8197
			if ((bp->state == BNX2X_STATE_OPEN) ||
			    (bp->state == BNX2X_STATE_DISABLED)) {
8198 8199 8200 8201
				rc |= bnx2x_link_reset(&bp->link_params,
						       &bp->link_vars);
				rc |= bnx2x_phy_init(&bp->link_params,
						     &bp->link_vars);
Y
Yitchak Gertner 已提交
8202
			}
Y
Yitchak Gertner 已提交
8203
			bnx2x_release_phy_lock(bp);
8204 8205 8206 8207

		} else /* Only the PMF can access the PHY */
			return -EINVAL;
	else
Y
Yaniv Rosner 已提交
8208
		rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
E
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	return rc;
}

static int bnx2x_get_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct bnx2x *bp = netdev_priv(dev);

	memset(coal, 0, sizeof(struct ethtool_coalesce));

	coal->rx_coalesce_usecs = bp->rx_ticks;
	coal->tx_coalesce_usecs = bp->tx_ticks;

	return 0;
}

static int bnx2x_set_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct bnx2x *bp = netdev_priv(dev);

	bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
	if (bp->rx_ticks > 3000)
		bp->rx_ticks = 3000;

	bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
	if (bp->tx_ticks > 0x3000)
		bp->tx_ticks = 0x3000;

8239
	if (netif_running(dev))
E
Eliezer Tamir 已提交
8240 8241 8242 8243 8244
		bnx2x_update_coalesce(bp);

	return 0;
}

8245 8246 8247 8248 8249 8250 8251 8252 8253 8254 8255 8256 8257 8258 8259 8260 8261 8262 8263 8264 8265 8266 8267 8268 8269 8270 8271
static int bnx2x_set_flags(struct net_device *dev, u32 data)
{
	struct bnx2x *bp = netdev_priv(dev);
	int changed = 0;
	int rc = 0;

	if (data & ETH_FLAG_LRO) {
		if (!(dev->features & NETIF_F_LRO)) {
			dev->features |= NETIF_F_LRO;
			bp->flags |= TPA_ENABLE_FLAG;
			changed = 1;
		}

	} else if (dev->features & NETIF_F_LRO) {
		dev->features &= ~NETIF_F_LRO;
		bp->flags &= ~TPA_ENABLE_FLAG;
		changed = 1;
	}

	if (changed && netif_running(dev)) {
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
	}

	return rc;
}

E
Eliezer Tamir 已提交
8272 8273 8274 8275 8276 8277 8278 8279 8280 8281 8282 8283 8284 8285 8286 8287 8288 8289 8290 8291 8292
static void bnx2x_get_ringparam(struct net_device *dev,
				struct ethtool_ringparam *ering)
{
	struct bnx2x *bp = netdev_priv(dev);

	ering->rx_max_pending = MAX_RX_AVAIL;
	ering->rx_mini_max_pending = 0;
	ering->rx_jumbo_max_pending = 0;

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
	ering->rx_jumbo_pending = 0;

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

static int bnx2x_set_ringparam(struct net_device *dev,
			       struct ethtool_ringparam *ering)
{
	struct bnx2x *bp = netdev_priv(dev);
8293
	int rc = 0;
E
Eliezer Tamir 已提交
8294 8295 8296 8297 8298 8299 8300 8301 8302

	if ((ering->rx_pending > MAX_RX_AVAIL) ||
	    (ering->tx_pending > MAX_TX_AVAIL) ||
	    (ering->tx_pending <= MAX_SKB_FRAGS + 4))
		return -EINVAL;

	bp->rx_ring_size = ering->rx_pending;
	bp->tx_ring_size = ering->tx_pending;

8303 8304 8305
	if (netif_running(dev)) {
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
E
Eliezer Tamir 已提交
8306 8307
	}

8308
	return rc;
E
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8309 8310 8311 8312 8313 8314 8315
}

static void bnx2x_get_pauseparam(struct net_device *dev,
				 struct ethtool_pauseparam *epause)
{
	struct bnx2x *bp = netdev_priv(dev);

Y
Yaniv Rosner 已提交
8316 8317 8318 8319 8320 8321 8322
	epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
			  (bp->link_params.req_line_speed == SPEED_AUTO_NEG);

	epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
			    FLOW_CTRL_RX);
	epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
			    FLOW_CTRL_TX);
E
Eliezer Tamir 已提交
8323 8324 8325 8326 8327 8328 8329 8330 8331 8332 8333

	DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
	   DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
	   epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
}

static int bnx2x_set_pauseparam(struct net_device *dev,
				struct ethtool_pauseparam *epause)
{
	struct bnx2x *bp = netdev_priv(dev);

8334 8335 8336
	if (IS_E1HMF(bp))
		return 0;

E
Eliezer Tamir 已提交
8337 8338 8339 8340
	DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
	   DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
	   epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);

Y
Yaniv Rosner 已提交
8341
	bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
E
Eliezer Tamir 已提交
8342

E
Eliezer Tamir 已提交
8343
	if (epause->rx_pause)
Y
Yaniv Rosner 已提交
8344 8345
		bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;

E
Eliezer Tamir 已提交
8346
	if (epause->tx_pause)
Y
Yaniv Rosner 已提交
8347 8348 8349 8350
		bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;

	if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
		bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
E
Eliezer Tamir 已提交
8351

Y
Yaniv Rosner 已提交
8352
	if (epause->autoneg) {
8353
		if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Y
Yaniv Rosner 已提交
8354 8355 8356
			DP(NETIF_MSG_LINK, "Autoneg not supported\n");
			return -EINVAL;
		}
E
Eliezer Tamir 已提交
8357

Y
Yaniv Rosner 已提交
8358 8359 8360
		if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
			bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
	}
E
Eliezer Tamir 已提交
8361

Y
Yaniv Rosner 已提交
8362 8363
	DP(NETIF_MSG_LINK,
	   "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8364 8365

	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
8366
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8367 8368
		bnx2x_link_set(bp);
	}
E
Eliezer Tamir 已提交
8369 8370 8371 8372 8373 8374 8375 8376 8377 8378 8379 8380 8381 8382 8383 8384 8385 8386 8387 8388 8389

	return 0;
}

static u32 bnx2x_get_rx_csum(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	return bp->rx_csum;
}

static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
{
	struct bnx2x *bp = netdev_priv(dev);

	bp->rx_csum = data;
	return 0;
}

static int bnx2x_set_tso(struct net_device *dev, u32 data)
{
E
Eilon Greenstein 已提交
8390
	if (data) {
E
Eliezer Tamir 已提交
8391
		dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
E
Eilon Greenstein 已提交
8392 8393
		dev->features |= NETIF_F_TSO6;
	} else {
E
Eliezer Tamir 已提交
8394
		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
E
Eilon Greenstein 已提交
8395 8396 8397
		dev->features &= ~NETIF_F_TSO6;
	}

E
Eliezer Tamir 已提交
8398 8399 8400
	return 0;
}

Y
Yitchak Gertner 已提交
8401
static const struct {
E
Eliezer Tamir 已提交
8402 8403
	char string[ETH_GSTRING_LEN];
} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Y
Yitchak Gertner 已提交
8404 8405 8406 8407 8408 8409 8410 8411
	{ "register_test (offline)" },
	{ "memory_test (offline)" },
	{ "loopback_test (offline)" },
	{ "nvram_test (online)" },
	{ "interrupt_test (online)" },
	{ "link_test (online)" },
	{ "idle check (online)" },
	{ "MC errors (online)" }
E
Eliezer Tamir 已提交
8412 8413 8414 8415 8416 8417 8418
};

static int bnx2x_self_test_count(struct net_device *dev)
{
	return BNX2X_NUM_TESTS;
}

Y
Yitchak Gertner 已提交
8419 8420 8421 8422 8423 8424 8425 8426 8427 8428 8429 8430 8431 8432 8433 8434 8435 8436 8437 8438 8439 8440 8441 8442 8443 8444 8445 8446 8447 8448 8449 8450 8451 8452 8453 8454 8455 8456 8457 8458 8459 8460 8461 8462 8463 8464 8465 8466 8467 8468 8469 8470 8471 8472 8473 8474 8475 8476 8477 8478 8479 8480 8481 8482 8483 8484 8485 8486 8487 8488 8489 8490 8491 8492 8493 8494 8495 8496 8497 8498 8499 8500 8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512 8513 8514 8515 8516 8517 8518 8519 8520 8521 8522 8523 8524 8525 8526 8527 8528 8529 8530 8531 8532 8533 8534 8535 8536 8537 8538 8539 8540 8541 8542 8543 8544 8545 8546 8547 8548 8549 8550 8551 8552 8553 8554 8555 8556 8557 8558 8559 8560 8561 8562 8563 8564 8565 8566 8567 8568 8569 8570 8571 8572 8573 8574 8575 8576 8577 8578 8579 8580 8581 8582 8583 8584 8585 8586 8587 8588 8589 8590 8591 8592 8593 8594 8595 8596 8597 8598 8599 8600 8601 8602 8603 8604 8605 8606 8607 8608 8609 8610 8611 8612 8613 8614 8615 8616 8617 8618 8619 8620 8621 8622 8623 8624 8625 8626
static int bnx2x_test_registers(struct bnx2x *bp)
{
	int idx, i, rc = -ENODEV;
	u32 wr_val = 0;
	static const struct {
		u32  offset0;
		u32  offset1;
		u32  mask;
	} reg_tbl[] = {
/* 0 */		{ BRB1_REG_PAUSE_LOW_THRESHOLD_0,      4, 0x000003ff },
		{ DORQ_REG_DB_ADDR0,                   4, 0xffffffff },
		{ HC_REG_AGG_INT_0,                    4, 0x000003ff },
		{ PBF_REG_MAC_IF0_ENABLE,              4, 0x00000001 },
		{ PBF_REG_P0_INIT_CRD,                 4, 0x000007ff },
		{ PRS_REG_CID_PORT_0,                  4, 0x00ffffff },
		{ PXP2_REG_PSWRQ_CDU0_L2P,             4, 0x000fffff },
		{ PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR,    8, 0x0003ffff },
		{ PXP2_REG_PSWRQ_TM0_L2P,              4, 0x000fffff },
		{ PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR,   8, 0x0003ffff },
/* 10 */	{ PXP2_REG_PSWRQ_TSDM0_L2P,            4, 0x000fffff },
		{ QM_REG_CONNNUM_0,                    4, 0x000fffff },
		{ TM_REG_LIN0_MAX_ACTIVE_CID,          4, 0x0003ffff },
		{ SRC_REG_KEYRSS0_0,                  40, 0xffffffff },
		{ SRC_REG_KEYRSS0_7,                  40, 0xffffffff },
		{ XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
		{ XCM_REG_WU_DA_CNT_CMD00,             4, 0x00000003 },
		{ XCM_REG_GLB_DEL_ACK_MAX_CNT_0,       4, 0x000000ff },
		{ NIG_REG_EGRESS_MNG0_FIFO,           20, 0xffffffff },
		{ NIG_REG_LLH0_T_BIT,                  4, 0x00000001 },
/* 20 */	{ NIG_REG_EMAC0_IN_EN,                 4, 0x00000001 },
		{ NIG_REG_BMAC0_IN_EN,                 4, 0x00000001 },
		{ NIG_REG_XCM0_OUT_EN,                 4, 0x00000001 },
		{ NIG_REG_BRB0_OUT_EN,                 4, 0x00000001 },
		{ NIG_REG_LLH0_XCM_MASK,               4, 0x00000007 },
		{ NIG_REG_LLH0_ACPI_PAT_6_LEN,        68, 0x000000ff },
		{ NIG_REG_LLH0_ACPI_PAT_0_CRC,        68, 0xffffffff },
		{ NIG_REG_LLH0_DEST_MAC_0_0,         160, 0xffffffff },
		{ NIG_REG_LLH0_DEST_IP_0_1,          160, 0xffffffff },
		{ NIG_REG_LLH0_IPV4_IPV6_0,          160, 0x00000001 },
/* 30 */	{ NIG_REG_LLH0_DEST_UDP_0,           160, 0x0000ffff },
		{ NIG_REG_LLH0_DEST_TCP_0,           160, 0x0000ffff },
		{ NIG_REG_LLH0_VLAN_ID_0,            160, 0x00000fff },
		{ NIG_REG_XGXS_SERDES0_MODE_SEL,       4, 0x00000001 },
		{ NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
		{ NIG_REG_STATUS_INTERRUPT_PORT0,      4, 0x07ffffff },
		{ NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
		{ NIG_REG_SERDES0_CTRL_PHY_ADDR,      16, 0x0000001f },

		{ 0xffffffff, 0, 0x00000000 }
	};

	if (!netif_running(bp->dev))
		return rc;

	/* Repeat the test twice:
	   First by writing 0x00000000, second by writing 0xffffffff */
	for (idx = 0; idx < 2; idx++) {

		switch (idx) {
		case 0:
			wr_val = 0;
			break;
		case 1:
			wr_val = 0xffffffff;
			break;
		}

		for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
			u32 offset, mask, save_val, val;
			int port = BP_PORT(bp);

			offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
			mask = reg_tbl[i].mask;

			save_val = REG_RD(bp, offset);

			REG_WR(bp, offset, wr_val);
			val = REG_RD(bp, offset);

			/* Restore the original register's value */
			REG_WR(bp, offset, save_val);

			/* verify that value is as expected value */
			if ((val & mask) != (wr_val & mask))
				goto test_reg_exit;
		}
	}

	rc = 0;

test_reg_exit:
	return rc;
}

static int bnx2x_test_memory(struct bnx2x *bp)
{
	int i, j, rc = -ENODEV;
	u32 val;
	static const struct {
		u32 offset;
		int size;
	} mem_tbl[] = {
		{ CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
		{ CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
		{ CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
		{ DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
		{ TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
		{ UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
		{ XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },

		{ 0xffffffff, 0 }
	};
	static const struct {
		char *name;
		u32 offset;
		u32 mask;
	} prty_tbl[] = {
		{ "CCM_REG_CCM_PRTY_STS",     CCM_REG_CCM_PRTY_STS,     0 },
		{ "CFC_REG_CFC_PRTY_STS",     CFC_REG_CFC_PRTY_STS,     0 },
		{ "DMAE_REG_DMAE_PRTY_STS",   DMAE_REG_DMAE_PRTY_STS,   0 },
		{ "TCM_REG_TCM_PRTY_STS",     TCM_REG_TCM_PRTY_STS,     0 },
		{ "UCM_REG_UCM_PRTY_STS",     UCM_REG_UCM_PRTY_STS,     0 },
		{ "XCM_REG_XCM_PRTY_STS",     XCM_REG_XCM_PRTY_STS,     0x1 },

		{ NULL, 0xffffffff, 0 }
	};

	if (!netif_running(bp->dev))
		return rc;

	/* Go through all the memories */
	for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
		for (j = 0; j < mem_tbl[i].size; j++)
			REG_RD(bp, mem_tbl[i].offset + j*4);

	/* Check the parity status */
	for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
		val = REG_RD(bp, prty_tbl[i].offset);
		if (val & ~(prty_tbl[i].mask)) {
			DP(NETIF_MSG_HW,
			   "%s is 0x%x\n", prty_tbl[i].name, val);
			goto test_mem_exit;
		}
	}

	rc = 0;

test_mem_exit:
	return rc;
}

static void bnx2x_netif_start(struct bnx2x *bp)
{
	int i;

	if (atomic_dec_and_test(&bp->intr_sem)) {
		if (netif_running(bp->dev)) {
			bnx2x_int_enable(bp);
			for_each_queue(bp, i)
				napi_enable(&bnx2x_fp(bp, i, napi));
			if (bp->state == BNX2X_STATE_OPEN)
				netif_wake_queue(bp->dev);
		}
	}
}

static void bnx2x_netif_stop(struct bnx2x *bp)
{
	int i;

	if (netif_running(bp->dev)) {
		netif_tx_disable(bp->dev);
		bp->dev->trans_start = jiffies;	/* prevent tx timeout */
		for_each_queue(bp, i)
			napi_disable(&bnx2x_fp(bp, i, napi));
	}
	bnx2x_int_disable_sync(bp);
}

static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
{
	int cnt = 1000;

	if (link_up)
		while (bnx2x_link_test(bp) && cnt--)
			msleep(10);
}

static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb;
	unsigned char *packet;
	struct bnx2x_fastpath *fp = &bp->fp[0];
	u16 tx_start_idx, tx_idx;
	u16 rx_start_idx, rx_idx;
	u16 pkt_prod;
	struct sw_tx_bd *tx_buf;
	struct eth_tx_bd *tx_bd;
	dma_addr_t mapping;
	union eth_rx_cqe *cqe;
	u8 cqe_fp_flags;
	struct sw_rx_bd *rx_buf;
	u16 len;
	int rc = -ENODEV;

	if (loopback_mode == BNX2X_MAC_LOOPBACK) {
		bp->link_params.loopback_mode = LOOPBACK_BMAC;
Y
Yitchak Gertner 已提交
8627
		bnx2x_acquire_phy_lock(bp);
Y
Yitchak Gertner 已提交
8628
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
8629
		bnx2x_release_phy_lock(bp);
Y
Yitchak Gertner 已提交
8630 8631 8632

	} else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
		bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Y
Yitchak Gertner 已提交
8633
		bnx2x_acquire_phy_lock(bp);
Y
Yitchak Gertner 已提交
8634
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
8635
		bnx2x_release_phy_lock(bp);
Y
Yitchak Gertner 已提交
8636 8637 8638 8639 8640 8641 8642 8643 8644 8645 8646 8647 8648 8649 8650 8651 8652 8653 8654 8655 8656 8657 8658 8659 8660 8661 8662 8663 8664 8665 8666 8667 8668 8669 8670 8671 8672 8673 8674 8675 8676 8677 8678 8679 8680 8681 8682 8683 8684 8685 8686 8687 8688 8689 8690 8691 8692 8693 8694 8695 8696 8697 8698 8699 8700 8701 8702 8703 8704 8705 8706 8707 8708 8709 8710 8711 8712 8713 8714 8715 8716 8717 8718 8719 8720 8721 8722 8723 8724 8725 8726 8727 8728 8729 8730 8731 8732 8733 8734 8735 8736 8737 8738 8739 8740 8741 8742 8743 8744 8745 8746 8747 8748 8749 8750 8751 8752 8753 8754 8755 8756 8757 8758 8759 8760 8761 8762 8763 8764 8765 8766 8767 8768 8769 8770 8771 8772 8773 8774 8775 8776 8777 8778 8779 8780 8781 8782 8783 8784 8785 8786 8787 8788 8789 8790 8791 8792 8793 8794 8795 8796 8797 8798 8799 8800 8801 8802 8803 8804 8805 8806 8807 8808 8809 8810 8811 8812 8813 8814 8815 8816 8817 8818 8819 8820 8821 8822 8823 8824 8825 8826 8827 8828 8829 8830 8831 8832 8833 8834 8835 8836 8837 8838 8839 8840 8841 8842 8843 8844 8845 8846 8847 8848
		/* wait until link state is restored */
		bnx2x_wait_for_link(bp, link_up);

	} else
		return -EINVAL;

	pkt_size = 1514;
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
	if (!skb) {
		rc = -ENOMEM;
		goto test_loopback_exit;
	}
	packet = skb_put(skb, pkt_size);
	memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
	memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
	for (i = ETH_HLEN; i < pkt_size; i++)
		packet[i] = (unsigned char) (i & 0xff);

	num_pkts = 0;
	tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
	rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);

	pkt_prod = fp->tx_pkt_prod++;
	tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
	tx_buf->first_bd = fp->tx_bd_prod;
	tx_buf->skb = skb;

	tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
	mapping = pci_map_single(bp->pdev, skb->data,
				 skb_headlen(skb), PCI_DMA_TODEVICE);
	tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
	tx_bd->nbd = cpu_to_le16(1);
	tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
	tx_bd->vlan = cpu_to_le16(pkt_prod);
	tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
				       ETH_TX_BD_FLAGS_END_BD);
	tx_bd->general_data = ((UNICAST_ADDRESS <<
				ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);

	fp->hw_tx_prods->bds_prod =
		cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
	mb(); /* FW restriction: must not reorder writing nbd and packets */
	fp->hw_tx_prods->packets_prod =
		cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
	DOORBELL(bp, FP_IDX(fp), 0);

	mmiowb();

	num_pkts++;
	fp->tx_bd_prod++;
	bp->dev->trans_start = jiffies;

	udelay(100);

	tx_idx = le16_to_cpu(*fp->tx_cons_sb);
	if (tx_idx != tx_start_idx + num_pkts)
		goto test_loopback_exit;

	rx_idx = le16_to_cpu(*fp->rx_cons_sb);
	if (rx_idx != rx_start_idx + num_pkts)
		goto test_loopback_exit;

	cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
	cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
	if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
		goto test_loopback_rx_exit;

	len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
	if (len != pkt_size)
		goto test_loopback_rx_exit;

	rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
	skb = rx_buf->skb;
	skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
	for (i = ETH_HLEN; i < pkt_size; i++)
		if (*(skb->data + i) != (unsigned char) (i & 0xff))
			goto test_loopback_rx_exit;

	rc = 0;

test_loopback_rx_exit:
	bp->dev->last_rx = jiffies;

	fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
	fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
	fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
	fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);

	/* Update producers */
	bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
			     fp->rx_sge_prod);
	mmiowb(); /* keep prod updates ordered */

test_loopback_exit:
	bp->link_params.loopback_mode = LOOPBACK_NONE;

	return rc;
}

static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
{
	int rc = 0;

	if (!netif_running(bp->dev))
		return BNX2X_LOOPBACK_FAILED;

	bnx2x_netif_stop(bp);

	if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
		DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
		rc |= BNX2X_MAC_LOOPBACK_FAILED;
	}

	if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
		DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
		rc |= BNX2X_PHY_LOOPBACK_FAILED;
	}

	bnx2x_netif_start(bp);

	return rc;
}

#define CRC32_RESIDUAL			0xdebb20e3

static int bnx2x_test_nvram(struct bnx2x *bp)
{
	static const struct {
		int offset;
		int size;
	} nvram_tbl[] = {
		{     0,  0x14 }, /* bootstrap */
		{  0x14,  0xec }, /* dir */
		{ 0x100, 0x350 }, /* manuf_info */
		{ 0x450,  0xf0 }, /* feature_info */
		{ 0x640,  0x64 }, /* upgrade_key_info */
		{ 0x6a4,  0x64 },
		{ 0x708,  0x70 }, /* manuf_key_info */
		{ 0x778,  0x70 },
		{     0,     0 }
	};
	u32 buf[0x350 / 4];
	u8 *data = (u8 *)buf;
	int i, rc;
	u32 magic, csum;

	rc = bnx2x_nvram_read(bp, 0, data, 4);
	if (rc) {
		DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
		goto test_nvram_exit;
	}

	magic = be32_to_cpu(buf[0]);
	if (magic != 0x669955aa) {
		DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
		rc = -ENODEV;
		goto test_nvram_exit;
	}

	for (i = 0; nvram_tbl[i].size; i++) {

		rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
				      nvram_tbl[i].size);
		if (rc) {
			DP(NETIF_MSG_PROBE,
			   "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
			goto test_nvram_exit;
		}

		csum = ether_crc_le(nvram_tbl[i].size, data);
		if (csum != CRC32_RESIDUAL) {
			DP(NETIF_MSG_PROBE,
			   "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
			rc = -ENODEV;
			goto test_nvram_exit;
		}
	}

test_nvram_exit:
	return rc;
}

static int bnx2x_test_intr(struct bnx2x *bp)
{
	struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
	int i, rc;

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

	config->hdr.length_6b = 0;
	config->hdr.offset = 0;
	config->hdr.client_id = BP_CL_ID(bp);
	config->hdr.reserved1 = 0;

	rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
			   U64_HI(bnx2x_sp_mapping(bp, mac_config)),
			   U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
	if (rc == 0) {
		bp->set_mac_pending++;
		for (i = 0; i < 10; i++) {
			if (!bp->set_mac_pending)
				break;
			msleep_interruptible(10);
		}
		if (i == 10)
			rc = -ENODEV;
	}

	return rc;
}

E
Eliezer Tamir 已提交
8849 8850 8851 8852 8853 8854 8855
static void bnx2x_self_test(struct net_device *dev,
			    struct ethtool_test *etest, u64 *buf)
{
	struct bnx2x *bp = netdev_priv(dev);

	memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);

Y
Yitchak Gertner 已提交
8856
	if (!netif_running(dev))
E
Eliezer Tamir 已提交
8857 8858
		return;

Y
Yitchak Gertner 已提交
8859 8860 8861 8862 8863 8864 8865 8866 8867 8868 8869 8870 8871 8872 8873 8874 8875 8876 8877 8878 8879 8880 8881 8882
	/* offline tests are not suppoerted in MF mode */
	if (IS_E1HMF(bp))
		etest->flags &= ~ETH_TEST_FL_OFFLINE;

	if (etest->flags & ETH_TEST_FL_OFFLINE) {
		u8 link_up;

		link_up = bp->link_vars.link_up;
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		bnx2x_nic_load(bp, LOAD_DIAG);
		/* wait until link state is restored */
		bnx2x_wait_for_link(bp, link_up);

		if (bnx2x_test_registers(bp) != 0) {
			buf[0] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
		if (bnx2x_test_memory(bp) != 0) {
			buf[1] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
		buf[2] = bnx2x_test_loopback(bp, link_up);
		if (buf[2] != 0)
			etest->flags |= ETH_TEST_FL_FAILED;
E
Eliezer Tamir 已提交
8883

Y
Yitchak Gertner 已提交
8884 8885 8886 8887 8888 8889 8890
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		bnx2x_nic_load(bp, LOAD_NORMAL);
		/* wait until link state is restored */
		bnx2x_wait_for_link(bp, link_up);
	}
	if (bnx2x_test_nvram(bp) != 0) {
		buf[3] = 1;
E
Eliezer Tamir 已提交
8891 8892
		etest->flags |= ETH_TEST_FL_FAILED;
	}
Y
Yitchak Gertner 已提交
8893 8894 8895 8896 8897 8898 8899 8900 8901 8902 8903 8904 8905 8906 8907 8908
	if (bnx2x_test_intr(bp) != 0) {
		buf[4] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
	if (bp->port.pmf)
		if (bnx2x_link_test(bp) != 0) {
			buf[5] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
	buf[7] = bnx2x_mc_assert(bp);
	if (buf[7] != 0)
		etest->flags |= ETH_TEST_FL_FAILED;

#ifdef BNX2X_EXTRA_DEBUG
	bnx2x_panic_dump(bp);
#endif
E
Eliezer Tamir 已提交
8909 8910
}

Y
Yitchak Gertner 已提交
8911 8912 8913 8914
static const struct {
	long offset;
	int size;
	u32 flags;
Y
Yitchak Gertner 已提交
8915 8916 8917
#define STATS_FLAGS_PORT		1
#define STATS_FLAGS_FUNC		2
	u8 string[ETH_GSTRING_LEN];
Y
Yitchak Gertner 已提交
8918
} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Y
Yitchak Gertner 已提交
8919 8920 8921 8922 8923 8924 8925 8926
/* 1 */	{ STATS_OFFSET32(valid_bytes_received_hi),
				8, STATS_FLAGS_FUNC, "rx_bytes" },
	{ STATS_OFFSET32(error_bytes_received_hi),
				8, STATS_FLAGS_FUNC, "rx_error_bytes" },
	{ STATS_OFFSET32(total_bytes_transmitted_hi),
				8, STATS_FLAGS_FUNC, "tx_bytes" },
	{ STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
				8, STATS_FLAGS_PORT, "tx_error_bytes" },
Y
Yitchak Gertner 已提交
8927
	{ STATS_OFFSET32(total_unicast_packets_received_hi),
Y
Yitchak Gertner 已提交
8928
				8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Y
Yitchak Gertner 已提交
8929
	{ STATS_OFFSET32(total_multicast_packets_received_hi),
Y
Yitchak Gertner 已提交
8930
				8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Y
Yitchak Gertner 已提交
8931
	{ STATS_OFFSET32(total_broadcast_packets_received_hi),
Y
Yitchak Gertner 已提交
8932
				8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Y
Yitchak Gertner 已提交
8933
	{ STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Y
Yitchak Gertner 已提交
8934
				8, STATS_FLAGS_FUNC, "tx_packets" },
Y
Yitchak Gertner 已提交
8935
	{ STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Y
Yitchak Gertner 已提交
8936
				8, STATS_FLAGS_PORT, "tx_mac_errors" },
Y
Yitchak Gertner 已提交
8937
/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Y
Yitchak Gertner 已提交
8938
				8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Y
Yitchak Gertner 已提交
8939
	{ STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Y
Yitchak Gertner 已提交
8940
				8, STATS_FLAGS_PORT, "rx_crc_errors" },
Y
Yitchak Gertner 已提交
8941
	{ STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Y
Yitchak Gertner 已提交
8942
				8, STATS_FLAGS_PORT, "rx_align_errors" },
Y
Yitchak Gertner 已提交
8943
	{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Y
Yitchak Gertner 已提交
8944
				8, STATS_FLAGS_PORT, "tx_single_collisions" },
Y
Yitchak Gertner 已提交
8945
	{ STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Y
Yitchak Gertner 已提交
8946
				8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Y
Yitchak Gertner 已提交
8947
	{ STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Y
Yitchak Gertner 已提交
8948
				8, STATS_FLAGS_PORT, "tx_deferred" },
Y
Yitchak Gertner 已提交
8949
	{ STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Y
Yitchak Gertner 已提交
8950
				8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Y
Yitchak Gertner 已提交
8951
	{ STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Y
Yitchak Gertner 已提交
8952
				8, STATS_FLAGS_PORT, "tx_late_collisions" },
Y
Yitchak Gertner 已提交
8953
	{ STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Y
Yitchak Gertner 已提交
8954
				8, STATS_FLAGS_PORT, "tx_total_collisions" },
Y
Yitchak Gertner 已提交
8955
	{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Y
Yitchak Gertner 已提交
8956 8957 8958
				8, STATS_FLAGS_PORT, "rx_fragments" },
/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
				8, STATS_FLAGS_PORT, "rx_jabbers" },
Y
Yitchak Gertner 已提交
8959
	{ STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Y
Yitchak Gertner 已提交
8960
				8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Y
Yitchak Gertner 已提交
8961
	{ STATS_OFFSET32(jabber_packets_received),
Y
Yitchak Gertner 已提交
8962
				4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Y
Yitchak Gertner 已提交
8963
	{ STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Y
Yitchak Gertner 已提交
8964
				8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Y
Yitchak Gertner 已提交
8965
	{ STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Y
Yitchak Gertner 已提交
8966
			8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Y
Yitchak Gertner 已提交
8967
	{ STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Y
Yitchak Gertner 已提交
8968
			8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Y
Yitchak Gertner 已提交
8969
	{ STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Y
Yitchak Gertner 已提交
8970
			8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Y
Yitchak Gertner 已提交
8971
	{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Y
Yitchak Gertner 已提交
8972
			8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Y
Yitchak Gertner 已提交
8973
	{ STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Y
Yitchak Gertner 已提交
8974
			8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Y
Yitchak Gertner 已提交
8975
	{ STATS_OFFSET32(etherstatspktsover1522octets_hi),
Y
Yitchak Gertner 已提交
8976
			8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Y
Yitchak Gertner 已提交
8977
/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Y
Yitchak Gertner 已提交
8978
				8, STATS_FLAGS_PORT, "rx_xon_frames" },
Y
Yitchak Gertner 已提交
8979
	{ STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Y
Yitchak Gertner 已提交
8980 8981 8982 8983 8984
				8, STATS_FLAGS_PORT, "rx_xoff_frames" },
	{ STATS_OFFSET32(tx_stat_outxonsent_hi),
				8, STATS_FLAGS_PORT, "tx_xon_frames" },
	{ STATS_OFFSET32(tx_stat_outxoffsent_hi),
				8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Y
Yitchak Gertner 已提交
8985
	{ STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Y
Yitchak Gertner 已提交
8986 8987 8988 8989 8990 8991 8992 8993 8994 8995 8996 8997 8998 8999 9000 9001 9002
				8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
	{ STATS_OFFSET32(mac_filter_discard),
				4, STATS_FLAGS_PORT, "rx_filtered_packets" },
	{ STATS_OFFSET32(no_buff_discard),
				4, STATS_FLAGS_FUNC, "rx_discards" },
	{ STATS_OFFSET32(xxoverflow_discard),
				4, STATS_FLAGS_PORT, "rx_fw_discards" },
	{ STATS_OFFSET32(brb_drop_hi),
				8, STATS_FLAGS_PORT, "brb_discard" },
	{ STATS_OFFSET32(brb_truncate_hi),
				8, STATS_FLAGS_PORT, "brb_truncate" },
/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
				4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
	{ STATS_OFFSET32(rx_skb_alloc_failed),
				4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
/* 42 */{ STATS_OFFSET32(hw_csum_err),
				4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
E
Eliezer Tamir 已提交
9003 9004
};

Y
Yitchak Gertner 已提交
9005 9006 9007
#define IS_NOT_E1HMF_STAT(bp, i) \
		(IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))

E
Eliezer Tamir 已提交
9008 9009
static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
Y
Yitchak Gertner 已提交
9010 9011 9012
	struct bnx2x *bp = netdev_priv(dev);
	int i, j;

E
Eliezer Tamir 已提交
9013 9014
	switch (stringset) {
	case ETH_SS_STATS:
Y
Yitchak Gertner 已提交
9015
		for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Y
Yitchak Gertner 已提交
9016
			if (IS_NOT_E1HMF_STAT(bp, i))
Y
Yitchak Gertner 已提交
9017 9018 9019 9020 9021
				continue;
			strcpy(buf + j*ETH_GSTRING_LEN,
			       bnx2x_stats_arr[i].string);
			j++;
		}
E
Eliezer Tamir 已提交
9022 9023 9024 9025 9026 9027 9028 9029 9030 9031
		break;

	case ETH_SS_TEST:
		memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
		break;
	}
}

static int bnx2x_get_stats_count(struct net_device *dev)
{
Y
Yitchak Gertner 已提交
9032 9033 9034 9035
	struct bnx2x *bp = netdev_priv(dev);
	int i, num_stats = 0;

	for (i = 0; i < BNX2X_NUM_STATS; i++) {
Y
Yitchak Gertner 已提交
9036
		if (IS_NOT_E1HMF_STAT(bp, i))
Y
Yitchak Gertner 已提交
9037 9038 9039 9040
			continue;
		num_stats++;
	}
	return num_stats;
E
Eliezer Tamir 已提交
9041 9042 9043 9044 9045 9046
}

static void bnx2x_get_ethtool_stats(struct net_device *dev,
				    struct ethtool_stats *stats, u64 *buf)
{
	struct bnx2x *bp = netdev_priv(dev);
Y
Yitchak Gertner 已提交
9047 9048
	u32 *hw_stats = (u32 *)&bp->eth_stats;
	int i, j;
E
Eliezer Tamir 已提交
9049

Y
Yitchak Gertner 已提交
9050
	for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Y
Yitchak Gertner 已提交
9051
		if (IS_NOT_E1HMF_STAT(bp, i))
E
Eliezer Tamir 已提交
9052
			continue;
Y
Yitchak Gertner 已提交
9053 9054 9055 9056 9057

		if (bnx2x_stats_arr[i].size == 0) {
			/* skip this counter */
			buf[j] = 0;
			j++;
E
Eliezer Tamir 已提交
9058 9059
			continue;
		}
Y
Yitchak Gertner 已提交
9060
		if (bnx2x_stats_arr[i].size == 4) {
E
Eliezer Tamir 已提交
9061
			/* 4-byte counter */
Y
Yitchak Gertner 已提交
9062 9063
			buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
			j++;
E
Eliezer Tamir 已提交
9064 9065 9066
			continue;
		}
		/* 8-byte counter */
Y
Yitchak Gertner 已提交
9067 9068 9069
		buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
				  *(hw_stats + bnx2x_stats_arr[i].offset + 1));
		j++;
E
Eliezer Tamir 已提交
9070 9071 9072 9073 9074 9075
	}
}

static int bnx2x_phys_id(struct net_device *dev, u32 data)
{
	struct bnx2x *bp = netdev_priv(dev);
9076
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
9077 9078
	int i;

9079 9080 9081 9082 9083 9084
	if (!netif_running(dev))
		return 0;

	if (!bp->port.pmf)
		return 0;

E
Eliezer Tamir 已提交
9085 9086 9087 9088
	if (data == 0)
		data = 2;

	for (i = 0; i < (data * 2); i++) {
Y
Yaniv Rosner 已提交
9089
		if ((i % 2) == 0)
9090
			bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Y
Yaniv Rosner 已提交
9091 9092 9093
				      bp->link_params.hw_led_mode,
				      bp->link_params.chip_id);
		else
9094
			bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Y
Yaniv Rosner 已提交
9095 9096 9097
				      bp->link_params.hw_led_mode,
				      bp->link_params.chip_id);

E
Eliezer Tamir 已提交
9098 9099 9100 9101 9102
		msleep_interruptible(500);
		if (signal_pending(current))
			break;
	}

Y
Yaniv Rosner 已提交
9103
	if (bp->link_vars.link_up)
9104
		bnx2x_set_led(bp, port, LED_MODE_OPER,
Y
Yaniv Rosner 已提交
9105 9106 9107
			      bp->link_vars.line_speed,
			      bp->link_params.hw_led_mode,
			      bp->link_params.chip_id);
E
Eliezer Tamir 已提交
9108 9109 9110 9111 9112

	return 0;
}

static struct ethtool_ops bnx2x_ethtool_ops = {
9113 9114 9115
	.get_settings		= bnx2x_get_settings,
	.set_settings		= bnx2x_set_settings,
	.get_drvinfo		= bnx2x_get_drvinfo,
E
Eliezer Tamir 已提交
9116 9117
	.get_wol		= bnx2x_get_wol,
	.set_wol		= bnx2x_set_wol,
9118 9119 9120 9121 9122 9123 9124 9125 9126 9127 9128 9129 9130 9131 9132 9133
	.get_msglevel		= bnx2x_get_msglevel,
	.set_msglevel		= bnx2x_set_msglevel,
	.nway_reset		= bnx2x_nway_reset,
	.get_link		= ethtool_op_get_link,
	.get_eeprom_len		= bnx2x_get_eeprom_len,
	.get_eeprom		= bnx2x_get_eeprom,
	.set_eeprom		= bnx2x_set_eeprom,
	.get_coalesce		= bnx2x_get_coalesce,
	.set_coalesce		= bnx2x_set_coalesce,
	.get_ringparam		= bnx2x_get_ringparam,
	.set_ringparam		= bnx2x_set_ringparam,
	.get_pauseparam		= bnx2x_get_pauseparam,
	.set_pauseparam		= bnx2x_set_pauseparam,
	.get_rx_csum		= bnx2x_get_rx_csum,
	.set_rx_csum		= bnx2x_set_rx_csum,
	.get_tx_csum		= ethtool_op_get_tx_csum,
E
Eilon Greenstein 已提交
9134
	.set_tx_csum		= ethtool_op_set_tx_hw_csum,
9135 9136 9137 9138
	.set_flags		= bnx2x_set_flags,
	.get_flags		= ethtool_op_get_flags,
	.get_sg			= ethtool_op_get_sg,
	.set_sg			= ethtool_op_set_sg,
E
Eliezer Tamir 已提交
9139 9140 9141
	.get_tso		= ethtool_op_get_tso,
	.set_tso		= bnx2x_set_tso,
	.self_test_count	= bnx2x_self_test_count,
9142 9143
	.self_test		= bnx2x_self_test,
	.get_strings		= bnx2x_get_strings,
E
Eliezer Tamir 已提交
9144 9145
	.phys_id		= bnx2x_phys_id,
	.get_stats_count	= bnx2x_get_stats_count,
Y
Yitchak Gertner 已提交
9146
	.get_ethtool_stats	= bnx2x_get_ethtool_stats,
E
Eliezer Tamir 已提交
9147 9148 9149 9150 9151 9152 9153 9154 9155 9156 9157 9158 9159 9160 9161 9162
};

/* end of ethtool_ops */

/****************************************************************************
* General service functions
****************************************************************************/

static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
{
	u16 pmcsr;

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

	switch (state) {
	case PCI_D0:
9163
		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
E
Eliezer Tamir 已提交
9164 9165 9166 9167 9168 9169
				      ((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);
9170
		break;
E
Eliezer Tamir 已提交
9171

9172 9173 9174
	case PCI_D3hot:
		pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
		pmcsr |= 3;
E
Eliezer Tamir 已提交
9175

9176 9177
		if (bp->wol)
			pmcsr |= PCI_PM_CTRL_PME_ENABLE;
E
Eliezer Tamir 已提交
9178

9179 9180
		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
				      pmcsr);
E
Eliezer Tamir 已提交
9181

9182 9183 9184 9185 9186 9187 9188 9189 9190
		/* No more memory access after this point until
		* device is brought back to D0.
		*/
		break;

	default:
		return -EINVAL;
	}
	return 0;
E
Eliezer Tamir 已提交
9191 9192
}

9193 9194 9195 9196
/*
 * net_device service functions
 */

E
Eliezer Tamir 已提交
9197 9198 9199 9200 9201 9202 9203 9204 9205
static int bnx2x_poll(struct napi_struct *napi, int budget)
{
	struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
						 napi);
	struct bnx2x *bp = fp->bp;
	int work_done = 0;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
9206
		goto poll_panic;
E
Eliezer Tamir 已提交
9207 9208 9209 9210 9211 9212 9213 9214
#endif

	prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
	prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
	prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);

	bnx2x_update_fpsb_idx(fp);

9215
	if (BNX2X_HAS_TX_WORK(fp))
E
Eliezer Tamir 已提交
9216 9217
		bnx2x_tx_int(fp, budget);

9218
	if (BNX2X_HAS_RX_WORK(fp))
E
Eliezer Tamir 已提交
9219 9220
		work_done = bnx2x_rx_int(fp, budget);

9221
	rmb(); /* BNX2X_HAS_WORK() reads the status block */
E
Eliezer Tamir 已提交
9222 9223

	/* must not complete if we consumed full budget */
9224
	if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
E
Eliezer Tamir 已提交
9225 9226

#ifdef BNX2X_STOP_ON_ERROR
9227
poll_panic:
E
Eliezer Tamir 已提交
9228 9229 9230
#endif
		netif_rx_complete(bp->dev, napi);

9231
		bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
E
Eliezer Tamir 已提交
9232
			     le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9233
		bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
E
Eliezer Tamir 已提交
9234 9235 9236 9237 9238
			     le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
	}
	return work_done;
}

E
Eilon Greenstein 已提交
9239 9240 9241 9242 9243 9244 9245 9246 9247 9248 9249 9250 9251 9252 9253 9254 9255 9256 9257 9258 9259 9260 9261 9262 9263 9264 9265 9266 9267 9268 9269 9270 9271 9272 9273 9274 9275 9276 9277 9278 9279 9280 9281 9282 9283 9284 9285 9286 9287 9288 9289 9290 9291 9292 9293 9294 9295 9296 9297 9298 9299 9300 9301 9302 9303 9304 9305 9306 9307 9308 9309 9310 9311 9312 9313 9314 9315 9316 9317 9318 9319 9320 9321 9322 9323 9324 9325 9326 9327 9328 9329 9330 9331 9332 9333 9334 9335 9336 9337 9338 9339 9340 9341 9342 9343 9344 9345 9346 9347 9348 9349 9350 9351 9352 9353 9354 9355 9356 9357 9358 9359 9360 9361 9362 9363 9364 9365 9366 9367 9368 9369 9370 9371 9372 9373 9374 9375 9376 9377 9378 9379 9380 9381 9382 9383 9384 9385 9386 9387 9388 9389 9390 9391 9392 9393 9394 9395 9396 9397 9398 9399 9400 9401 9402 9403 9404 9405 9406 9407 9408 9409 9410

/* we split the first BD into headers and data BDs
 * to ease the pain of our fellow micocode engineers
 * we use one mapping for both BDs
 * So far this has only been observed to happen
 * in Other Operating Systems(TM)
 */
static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
				   struct bnx2x_fastpath *fp,
				   struct eth_tx_bd **tx_bd, u16 hlen,
				   u16 bd_prod, int nbd)
{
	struct eth_tx_bd *h_tx_bd = *tx_bd;
	struct eth_tx_bd *d_tx_bd;
	dma_addr_t mapping;
	int old_len = le16_to_cpu(h_tx_bd->nbytes);

	/* first fix first BD */
	h_tx_bd->nbd = cpu_to_le16(nbd);
	h_tx_bd->nbytes = cpu_to_le16(hlen);

	DP(NETIF_MSG_TX_QUEUED,	"TSO split header size is %d "
	   "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
	   h_tx_bd->addr_lo, h_tx_bd->nbd);

	/* now get a new data BD
	 * (after the pbd) and fill it */
	bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
	d_tx_bd = &fp->tx_desc_ring[bd_prod];

	mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
			   le32_to_cpu(h_tx_bd->addr_lo)) + hlen;

	d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
	d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
	d_tx_bd->vlan = 0;
	/* this marks the BD as one that has no individual mapping
	 * the FW ignores this flag in a BD not marked start
	 */
	d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
	DP(NETIF_MSG_TX_QUEUED,
	   "TSO split data size is %d (%x:%x)\n",
	   d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);

	/* update tx_bd for marking the last BD flag */
	*tx_bd = d_tx_bd;

	return bd_prod;
}

static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
{
	if (fix > 0)
		csum = (u16) ~csum_fold(csum_sub(csum,
				csum_partial(t_header - fix, fix, 0)));

	else if (fix < 0)
		csum = (u16) ~csum_fold(csum_add(csum,
				csum_partial(t_header, -fix, 0)));

	return swab16(csum);
}

static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
{
	u32 rc;

	if (skb->ip_summed != CHECKSUM_PARTIAL)
		rc = XMIT_PLAIN;

	else {
		if (skb->protocol == ntohs(ETH_P_IPV6)) {
			rc = XMIT_CSUM_V6;
			if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
				rc |= XMIT_CSUM_TCP;

		} else {
			rc = XMIT_CSUM_V4;
			if (ip_hdr(skb)->protocol == IPPROTO_TCP)
				rc |= XMIT_CSUM_TCP;
		}
	}

	if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
		rc |= XMIT_GSO_V4;

	else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
		rc |= XMIT_GSO_V6;

	return rc;
}

/* check if packet requires linearization (packet is too fragmented) */
static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
			     u32 xmit_type)
{
	int to_copy = 0;
	int hlen = 0;
	int first_bd_sz = 0;

	/* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
	if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {

		if (xmit_type & XMIT_GSO) {
			unsigned short lso_mss = skb_shinfo(skb)->gso_size;
			/* Check if LSO packet needs to be copied:
			   3 = 1 (for headers BD) + 2 (for PBD and last BD) */
			int wnd_size = MAX_FETCH_BD - 3;
			/* Number of widnows to check */
			int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
			int wnd_idx = 0;
			int frag_idx = 0;
			u32 wnd_sum = 0;

			/* Headers length */
			hlen = (int)(skb_transport_header(skb) - skb->data) +
				tcp_hdrlen(skb);

			/* Amount of data (w/o headers) on linear part of SKB*/
			first_bd_sz = skb_headlen(skb) - hlen;

			wnd_sum  = first_bd_sz;

			/* Calculate the first sum - it's special */
			for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
				wnd_sum +=
					skb_shinfo(skb)->frags[frag_idx].size;

			/* If there was data on linear skb data - check it */
			if (first_bd_sz > 0) {
				if (unlikely(wnd_sum < lso_mss)) {
					to_copy = 1;
					goto exit_lbl;
				}

				wnd_sum -= first_bd_sz;
			}

			/* Others are easier: run through the frag list and
			   check all windows */
			for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
				wnd_sum +=
			  skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;

				if (unlikely(wnd_sum < lso_mss)) {
					to_copy = 1;
					break;
				}
				wnd_sum -=
					skb_shinfo(skb)->frags[wnd_idx].size;
			}

		} else {
			/* in non-LSO too fragmented packet should always
			   be linearized */
			to_copy = 1;
		}
	}

exit_lbl:
	if (unlikely(to_copy))
		DP(NETIF_MSG_TX_QUEUED,
		   "Linearization IS REQUIRED for %s packet. "
		   "num_frags %d  hlen %d  first_bd_sz %d\n",
		   (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
		   skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);

	return to_copy;
}

/* called with netif_tx_lock
E
Eliezer Tamir 已提交
9411
 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
E
Eilon Greenstein 已提交
9412
 * netif_wake_queue()
E
Eliezer Tamir 已提交
9413 9414 9415 9416 9417 9418 9419 9420 9421
 */
static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct bnx2x_fastpath *fp;
	struct sw_tx_bd *tx_buf;
	struct eth_tx_bd *tx_bd;
	struct eth_tx_parse_bd *pbd = NULL;
	u16 pkt_prod, bd_prod;
E
Eilon Greenstein 已提交
9422
	int nbd, fp_index;
E
Eliezer Tamir 已提交
9423
	dma_addr_t mapping;
E
Eilon Greenstein 已提交
9424 9425 9426 9427
	u32 xmit_type = bnx2x_xmit_type(bp, skb);
	int vlan_off = (bp->e1hov ? 4 : 0);
	int i;
	u8 hlen = 0;
E
Eliezer Tamir 已提交
9428 9429 9430 9431 9432 9433

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return NETDEV_TX_BUSY;
#endif

E
Eilon Greenstein 已提交
9434
	fp_index = (smp_processor_id() % bp->num_queues);
E
Eliezer Tamir 已提交
9435
	fp = &bp->fp[fp_index];
E
Eilon Greenstein 已提交
9436

E
Eliezer Tamir 已提交
9437 9438
	if (unlikely(bnx2x_tx_avail(bp->fp) <
					(skb_shinfo(skb)->nr_frags + 3))) {
Y
Yitchak Gertner 已提交
9439
		bp->eth_stats.driver_xoff++,
E
Eliezer Tamir 已提交
9440 9441 9442 9443 9444
		netif_stop_queue(dev);
		BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
		return NETDEV_TX_BUSY;
	}

E
Eilon Greenstein 已提交
9445 9446 9447 9448 9449 9450 9451 9452 9453 9454 9455 9456 9457 9458
	DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x  protocol %x  protocol(%x,%x)"
	   "  gso type %x  xmit_type %x\n",
	   skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
	   ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);

	/* First, check if we need to linearaize the skb
	   (due to FW restrictions) */
	if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
		/* Statistics of linearization */
		bp->lin_cnt++;
		if (skb_linearize(skb) != 0) {
			DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
			   "silently dropping this SKB\n");
			dev_kfree_skb_any(skb);
9459
			return NETDEV_TX_OK;
E
Eilon Greenstein 已提交
9460 9461 9462
		}
	}

E
Eliezer Tamir 已提交
9463
	/*
E
Eilon Greenstein 已提交
9464
	Please read carefully. First we use one BD which we mark as start,
E
Eliezer Tamir 已提交
9465
	then for TSO or xsum we have a parsing info BD,
E
Eilon Greenstein 已提交
9466
	and only then we have the rest of the TSO BDs.
E
Eliezer Tamir 已提交
9467 9468
	(don't forget to mark the last one as last,
	and to unmap only AFTER you write to the BD ...)
E
Eilon Greenstein 已提交
9469
	And above all, all pdb sizes are in words - NOT DWORDS!
E
Eliezer Tamir 已提交
9470 9471 9472
	*/

	pkt_prod = fp->tx_pkt_prod++;
E
Eilon Greenstein 已提交
9473
	bd_prod = TX_BD(fp->tx_bd_prod);
E
Eliezer Tamir 已提交
9474

E
Eilon Greenstein 已提交
9475
	/* get a tx_buf and first BD */
E
Eliezer Tamir 已提交
9476 9477 9478 9479 9480 9481 9482 9483
	tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
	tx_bd = &fp->tx_desc_ring[bd_prod];

	tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
	tx_bd->general_data = (UNICAST_ADDRESS <<
			       ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
	tx_bd->general_data |= 1; /* header nbd */

E
Eilon Greenstein 已提交
9484 9485 9486
	/* remember the first BD of the packet */
	tx_buf->first_bd = fp->tx_bd_prod;
	tx_buf->skb = skb;
E
Eliezer Tamir 已提交
9487 9488 9489 9490 9491

	DP(NETIF_MSG_TX_QUEUED,
	   "sending pkt %u @%p  next_idx %u  bd %u @%p\n",
	   pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);

E
Eilon Greenstein 已提交
9492 9493 9494 9495 9496 9497
	if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
		tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
		tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
		vlan_off += 4;
	} else
		tx_bd->vlan = cpu_to_le16(pkt_prod);
E
Eliezer Tamir 已提交
9498

E
Eilon Greenstein 已提交
9499
	if (xmit_type) {
E
Eliezer Tamir 已提交
9500

E
Eilon Greenstein 已提交
9501
		/* turn on parsing and get a BD */
E
Eliezer Tamir 已提交
9502 9503
		bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
		pbd = (void *)&fp->tx_desc_ring[bd_prod];
E
Eilon Greenstein 已提交
9504 9505 9506 9507 9508 9509

		memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
	}

	if (xmit_type & XMIT_CSUM) {
		hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
E
Eliezer Tamir 已提交
9510 9511

		/* for now NS flag is not used in Linux */
E
Eilon Greenstein 已提交
9512
		pbd->global_data = (hlen |
E
Eliezer Tamir 已提交
9513
				    ((skb->protocol == ntohs(ETH_P_8021Q)) <<
E
Eliezer Tamir 已提交
9514 9515
				     ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));

E
Eilon Greenstein 已提交
9516 9517 9518 9519
		pbd->ip_hlen = (skb_transport_header(skb) -
				skb_network_header(skb)) / 2;

		hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
E
Eliezer Tamir 已提交
9520

E
Eilon Greenstein 已提交
9521 9522
		pbd->total_hlen = cpu_to_le16(hlen);
		hlen = hlen*2 - vlan_off;
E
Eliezer Tamir 已提交
9523

E
Eilon Greenstein 已提交
9524 9525 9526
		tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;

		if (xmit_type & XMIT_CSUM_V4)
E
Eliezer Tamir 已提交
9527
			tx_bd->bd_flags.as_bitfield |=
E
Eilon Greenstein 已提交
9528 9529 9530 9531 9532 9533 9534 9535 9536 9537
						ETH_TX_BD_FLAGS_IP_CSUM;
		else
			tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;

		if (xmit_type & XMIT_CSUM_TCP) {
			pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);

		} else {
			s8 fix = SKB_CS_OFF(skb); /* signed! */

E
Eliezer Tamir 已提交
9538
			pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
E
Eilon Greenstein 已提交
9539
			pbd->cs_offset = fix / 2;
E
Eliezer Tamir 已提交
9540

E
Eilon Greenstein 已提交
9541 9542 9543 9544 9545 9546 9547 9548 9549 9550 9551 9552 9553
			DP(NETIF_MSG_TX_QUEUED,
			   "hlen %d  offset %d  fix %d  csum before fix %x\n",
			   le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
			   SKB_CS(skb));

			/* HW bug: fixup the CSUM */
			pbd->tcp_pseudo_csum =
				bnx2x_csum_fix(skb_transport_header(skb),
					       SKB_CS(skb), fix);

			DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
			   pbd->tcp_pseudo_csum);
		}
E
Eliezer Tamir 已提交
9554 9555 9556
	}

	mapping = pci_map_single(bp->pdev, skb->data,
E
Eilon Greenstein 已提交
9557
				 skb_headlen(skb), PCI_DMA_TODEVICE);
E
Eliezer Tamir 已提交
9558 9559 9560 9561 9562 9563 9564 9565

	tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
	nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2);
	tx_bd->nbd = cpu_to_le16(nbd);
	tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));

	DP(NETIF_MSG_TX_QUEUED, "first bd @%p  addr (%x:%x)  nbd %d"
E
Eilon Greenstein 已提交
9566 9567 9568 9569
	   "  nbytes %d  flags %x  vlan %x\n",
	   tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
	   le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
	   le16_to_cpu(tx_bd->vlan));
E
Eliezer Tamir 已提交
9570

E
Eilon Greenstein 已提交
9571
	if (xmit_type & XMIT_GSO) {
E
Eliezer Tamir 已提交
9572 9573 9574 9575 9576 9577 9578 9579

		DP(NETIF_MSG_TX_QUEUED,
		   "TSO packet len %d  hlen %d  total len %d  tso size %d\n",
		   skb->len, hlen, skb_headlen(skb),
		   skb_shinfo(skb)->gso_size);

		tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;

E
Eilon Greenstein 已提交
9580 9581 9582
		if (unlikely(skb_headlen(skb) > hlen))
			bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
						 bd_prod, ++nbd);
E
Eliezer Tamir 已提交
9583 9584 9585

		pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
		pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
E
Eilon Greenstein 已提交
9586 9587 9588 9589 9590
		pbd->tcp_flags = pbd_tcp_flags(skb);

		if (xmit_type & XMIT_GSO_V4) {
			pbd->ip_id = swab16(ip_hdr(skb)->id);
			pbd->tcp_pseudo_csum =
E
Eliezer Tamir 已提交
9591 9592 9593
				swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
							  ip_hdr(skb)->daddr,
							  0, IPPROTO_TCP, 0));
E
Eilon Greenstein 已提交
9594 9595 9596 9597 9598 9599 9600

		} else
			pbd->tcp_pseudo_csum =
				swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
							&ipv6_hdr(skb)->daddr,
							0, IPPROTO_TCP, 0));

E
Eliezer Tamir 已提交
9601 9602 9603
		pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
	}

E
Eilon Greenstein 已提交
9604 9605
	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
E
Eliezer Tamir 已提交
9606

E
Eilon Greenstein 已提交
9607 9608
		bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
		tx_bd = &fp->tx_desc_ring[bd_prod];
E
Eliezer Tamir 已提交
9609

E
Eilon Greenstein 已提交
9610 9611
		mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
				       frag->size, PCI_DMA_TODEVICE);
E
Eliezer Tamir 已提交
9612

E
Eilon Greenstein 已提交
9613 9614 9615 9616 9617
		tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
		tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
		tx_bd->nbytes = cpu_to_le16(frag->size);
		tx_bd->vlan = cpu_to_le16(pkt_prod);
		tx_bd->bd_flags.as_bitfield = 0;
E
Eliezer Tamir 已提交
9618

E
Eilon Greenstein 已提交
9619 9620 9621 9622
		DP(NETIF_MSG_TX_QUEUED,
		   "frag %d  bd @%p  addr (%x:%x)  nbytes %d  flags %x\n",
		   i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
		   le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
E
Eliezer Tamir 已提交
9623 9624
	}

E
Eilon Greenstein 已提交
9625
	/* now at last mark the BD as the last BD */
E
Eliezer Tamir 已提交
9626 9627 9628 9629 9630 9631 9632
	tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;

	DP(NETIF_MSG_TX_QUEUED, "last bd @%p  flags %x\n",
	   tx_bd, tx_bd->bd_flags.as_bitfield);

	bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));

E
Eilon Greenstein 已提交
9633
	/* now send a tx doorbell, counting the next BD
E
Eliezer Tamir 已提交
9634 9635 9636 9637 9638 9639 9640 9641 9642 9643 9644
	 * if the packet contains or ends with it
	 */
	if (TX_BD_POFF(bd_prod) < nbd)
		nbd++;

	if (pbd)
		DP(NETIF_MSG_TX_QUEUED,
		   "PBD @%p  ip_data %x  ip_hlen %u  ip_id %u  lso_mss %u"
		   "  tcp_flags %x  xsum %x  seq %u  hlen %u\n",
		   pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
		   pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
E
Eilon Greenstein 已提交
9645
		   pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
E
Eliezer Tamir 已提交
9646

E
Eilon Greenstein 已提交
9647
	DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d  bd %u\n", nbd, bd_prod);
E
Eliezer Tamir 已提交
9648

E
Eliezer Tamir 已提交
9649 9650
	fp->hw_tx_prods->bds_prod =
		cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
E
Eliezer Tamir 已提交
9651
	mb(); /* FW restriction: must not reorder writing nbd and packets */
E
Eliezer Tamir 已提交
9652 9653
	fp->hw_tx_prods->packets_prod =
		cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
E
Eilon Greenstein 已提交
9654
	DOORBELL(bp, FP_IDX(fp), 0);
E
Eliezer Tamir 已提交
9655 9656 9657

	mmiowb();

E
Eilon Greenstein 已提交
9658
	fp->tx_bd_prod += nbd;
E
Eliezer Tamir 已提交
9659 9660 9661 9662
	dev->trans_start = jiffies;

	if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
		netif_stop_queue(dev);
Y
Yitchak Gertner 已提交
9663
		bp->eth_stats.driver_xoff++;
E
Eliezer Tamir 已提交
9664 9665 9666 9667 9668 9669 9670 9671
		if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
			netif_wake_queue(dev);
	}
	fp->tx_pkt++;

	return NETDEV_TX_OK;
}

Y
Yitchak Gertner 已提交
9672
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9673 9674 9675 9676 9677 9678
static int bnx2x_open(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	bnx2x_set_power_state(bp, PCI_D0);

Y
Yitchak Gertner 已提交
9679
	return bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
9680 9681
}

Y
Yitchak Gertner 已提交
9682
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9683 9684 9685 9686 9687
static int bnx2x_close(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	/* Unload the driver, release IRQs */
Y
Yitchak Gertner 已提交
9688 9689 9690 9691
	bnx2x_nic_unload(bp, UNLOAD_CLOSE);
	if (atomic_read(&bp->pdev->enable_cnt) == 1)
		if (!CHIP_REV_IS_SLOW(bp))
			bnx2x_set_power_state(bp, PCI_D3hot);
E
Eliezer Tamir 已提交
9692 9693 9694 9695

	return 0;
}

9696 9697 9698 9699 9700 9701 9702 9703 9704 9705 9706 9707 9708 9709 9710 9711 9712 9713 9714 9715 9716 9717 9718 9719 9720 9721 9722 9723 9724 9725 9726 9727 9728 9729 9730 9731 9732 9733 9734 9735 9736 9737 9738 9739 9740 9741 9742 9743 9744 9745 9746 9747 9748 9749 9750 9751 9752 9753 9754 9755 9756 9757 9758 9759 9760 9761 9762 9763 9764 9765 9766 9767 9768 9769 9770 9771 9772 9773 9774 9775 9776 9777 9778 9779 9780 9781 9782 9783 9784 9785 9786 9787 9788 9789 9790 9791 9792 9793 9794 9795 9796 9797 9798 9799 9800 9801 9802 9803 9804 9805 9806 9807 9808 9809 9810 9811 9812 9813 9814 9815 9816 9817 9818 9819
/* called with netif_tx_lock from set_multicast */
static void bnx2x_set_rx_mode(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);
	u32 rx_mode = BNX2X_RX_MODE_NORMAL;
	int port = BP_PORT(bp);

	if (bp->state != BNX2X_STATE_OPEN) {
		DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
		return;
	}

	DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);

	if (dev->flags & IFF_PROMISC)
		rx_mode = BNX2X_RX_MODE_PROMISC;

	else if ((dev->flags & IFF_ALLMULTI) ||
		 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
		rx_mode = BNX2X_RX_MODE_ALLMULTI;

	else { /* some multicasts */
		if (CHIP_IS_E1(bp)) {
			int i, old, offset;
			struct dev_mc_list *mclist;
			struct mac_configuration_cmd *config =
						bnx2x_sp(bp, mcast_config);

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

				config->config_table[i].
					cam_entry.msb_mac_addr =
					swab16(*(u16 *)&mclist->dmi_addr[0]);
				config->config_table[i].
					cam_entry.middle_mac_addr =
					swab16(*(u16 *)&mclist->dmi_addr[2]);
				config->config_table[i].
					cam_entry.lsb_mac_addr =
					swab16(*(u16 *)&mclist->dmi_addr[4]);
				config->config_table[i].cam_entry.flags =
							cpu_to_le16(port);
				config->config_table[i].
					target_table_entry.flags = 0;
				config->config_table[i].
					target_table_entry.client_id = 0;
				config->config_table[i].
					target_table_entry.vlan_id = 0;

				DP(NETIF_MSG_IFUP,
				   "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
				   config->config_table[i].
						cam_entry.msb_mac_addr,
				   config->config_table[i].
						cam_entry.middle_mac_addr,
				   config->config_table[i].
						cam_entry.lsb_mac_addr);
			}
			old = config->hdr.length_6b;
			if (old > i) {
				for (; i < old; i++) {
					if (CAM_IS_INVALID(config->
							   config_table[i])) {
						i--; /* already invalidated */
						break;
					}
					/* invalidate */
					CAM_INVALIDATE(config->
						       config_table[i]);
				}
			}

			if (CHIP_REV_IS_SLOW(bp))
				offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
			else
				offset = BNX2X_MAX_MULTICAST*(1 + port);

			config->hdr.length_6b = i;
			config->hdr.offset = offset;
			config->hdr.client_id = BP_CL_ID(bp);
			config->hdr.reserved1 = 0;

			bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
				   U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
				   U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
				      0);
		} else { /* E1H */
			/* Accept one or more multicasts */
			struct dev_mc_list *mclist;
			u32 mc_filter[MC_HASH_SIZE];
			u32 crc, bit, regidx;
			int i;

			memset(mc_filter, 0, 4 * MC_HASH_SIZE);

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

				DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
				   "%02x:%02x:%02x:%02x:%02x:%02x\n",
				   mclist->dmi_addr[0], mclist->dmi_addr[1],
				   mclist->dmi_addr[2], mclist->dmi_addr[3],
				   mclist->dmi_addr[4], mclist->dmi_addr[5]);

				crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
				bit = (crc >> 24) & 0xff;
				regidx = bit >> 5;
				bit &= 0x1f;
				mc_filter[regidx] |= (1 << bit);
			}

			for (i = 0; i < MC_HASH_SIZE; i++)
				REG_WR(bp, MC_HASH_OFFSET(bp, i),
				       mc_filter[i]);
		}
	}

	bp->rx_mode = rx_mode;
	bnx2x_set_storm_rx_mode(bp);
}

/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9820 9821 9822 9823 9824
static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
{
	struct sockaddr *addr = p;
	struct bnx2x *bp = netdev_priv(dev);

9825
	if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
E
Eliezer Tamir 已提交
9826 9827 9828
		return -EINVAL;

	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9829 9830 9831 9832 9833 9834
	if (netif_running(dev)) {
		if (CHIP_IS_E1(bp))
			bnx2x_set_mac_addr_e1(bp);
		else
			bnx2x_set_mac_addr_e1h(bp);
	}
E
Eliezer Tamir 已提交
9835 9836 9837 9838

	return 0;
}

Y
Yaniv Rosner 已提交
9839
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9840 9841 9842 9843 9844 9845 9846 9847
static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct mii_ioctl_data *data = if_mii(ifr);
	struct bnx2x *bp = netdev_priv(dev);
	int err;

	switch (cmd) {
	case SIOCGMIIPHY:
9848
		data->phy_id = bp->port.phy_addr;
E
Eliezer Tamir 已提交
9849

E
Eliezer Tamir 已提交
9850
		/* fallthrough */
Y
Yaniv Rosner 已提交
9851

E
Eliezer Tamir 已提交
9852
	case SIOCGMIIREG: {
Y
Yaniv Rosner 已提交
9853
		u16 mii_regval;
E
Eliezer Tamir 已提交
9854

Y
Yaniv Rosner 已提交
9855 9856
		if (!netif_running(dev))
			return -EAGAIN;
E
Eliezer Tamir 已提交
9857

9858 9859
		mutex_lock(&bp->port.phy_mutex);
		err = bnx2x_cl45_read(bp, BP_PORT(bp), 0, bp->port.phy_addr,
Y
Yaniv Rosner 已提交
9860 9861 9862
				      DEFAULT_PHY_DEV_ADDR,
				      (data->reg_num & 0x1f), &mii_regval);
		data->val_out = mii_regval;
9863
		mutex_unlock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
9864 9865 9866 9867 9868 9869 9870
		return err;
	}

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

Y
Yaniv Rosner 已提交
9871 9872 9873
		if (!netif_running(dev))
			return -EAGAIN;

9874 9875
		mutex_lock(&bp->port.phy_mutex);
		err = bnx2x_cl45_write(bp, BP_PORT(bp), 0, bp->port.phy_addr,
Y
Yaniv Rosner 已提交
9876 9877
				       DEFAULT_PHY_DEV_ADDR,
				       (data->reg_num & 0x1f), data->val_in);
9878
		mutex_unlock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
9879 9880 9881 9882 9883 9884 9885 9886 9887 9888
		return err;

	default:
		/* do nothing */
		break;
	}

	return -EOPNOTSUPP;
}

9889
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9890 9891 9892
static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
{
	struct bnx2x *bp = netdev_priv(dev);
9893
	int rc = 0;
E
Eliezer Tamir 已提交
9894 9895 9896 9897 9898 9899

	if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
	    ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
		return -EINVAL;

	/* This does not race with packet allocation
E
Eliezer Tamir 已提交
9900
	 * because the actual alloc size is
E
Eliezer Tamir 已提交
9901 9902 9903 9904 9905
	 * only updated as part of load
	 */
	dev->mtu = new_mtu;

	if (netif_running(dev)) {
9906 9907
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
E
Eliezer Tamir 已提交
9908
	}
9909 9910

	return rc;
E
Eliezer Tamir 已提交
9911 9912 9913 9914 9915 9916 9917 9918 9919 9920 9921 9922 9923 9924 9925
}

static void bnx2x_tx_timeout(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

#ifdef BNX2X_STOP_ON_ERROR
	if (!bp->panic)
		bnx2x_panic();
#endif
	/* This allows the netif to be shutdown gracefully before resetting */
	schedule_work(&bp->reset_task);
}

#ifdef BCM_VLAN
9926
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9927 9928 9929 9930 9931 9932 9933
static void bnx2x_vlan_rx_register(struct net_device *dev,
				   struct vlan_group *vlgrp)
{
	struct bnx2x *bp = netdev_priv(dev);

	bp->vlgrp = vlgrp;
	if (netif_running(dev))
9934
		bnx2x_set_client_config(bp);
E
Eliezer Tamir 已提交
9935
}
9936

E
Eliezer Tamir 已提交
9937 9938 9939 9940 9941 9942 9943 9944 9945 9946 9947 9948 9949
#endif

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
static void poll_bnx2x(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	disable_irq(bp->pdev->irq);
	bnx2x_interrupt(bp->pdev->irq, dev);
	enable_irq(bp->pdev->irq);
}
#endif

9950 9951
static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
				    struct net_device *dev)
E
Eliezer Tamir 已提交
9952 9953 9954 9955 9956 9957 9958
{
	struct bnx2x *bp;
	int rc;

	SET_NETDEV_DEV(dev, &pdev->dev);
	bp = netdev_priv(dev);

9959 9960
	bp->dev = dev;
	bp->pdev = pdev;
E
Eliezer Tamir 已提交
9961
	bp->flags = 0;
9962
	bp->func = PCI_FUNC(pdev->devfn);
E
Eliezer Tamir 已提交
9963 9964 9965 9966 9967 9968 9969 9970 9971 9972 9973 9974 9975 9976 9977 9978 9979 9980 9981 9982 9983

	rc = pci_enable_device(pdev);
	if (rc) {
		printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
		printk(KERN_ERR PFX "Cannot find PCI device base address,"
		       " aborting\n");
		rc = -ENODEV;
		goto err_out_disable;
	}

	if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
		printk(KERN_ERR PFX "Cannot find second PCI device"
		       " base address, aborting\n");
		rc = -ENODEV;
		goto err_out_disable;
	}

9984 9985 9986 9987 9988 9989 9990
	if (atomic_read(&pdev->enable_cnt) == 1) {
		rc = pci_request_regions(pdev, DRV_MODULE_NAME);
		if (rc) {
			printk(KERN_ERR PFX "Cannot obtain PCI resources,"
			       " aborting\n");
			goto err_out_disable;
		}
E
Eliezer Tamir 已提交
9991

9992 9993 9994
		pci_set_master(pdev);
		pci_save_state(pdev);
	}
E
Eliezer Tamir 已提交
9995 9996 9997 9998 9999 10000 10001 10002 10003 10004 10005 10006 10007 10008 10009 10010 10011 10012 10013 10014 10015 10016 10017 10018 10019 10020 10021 10022 10023 10024 10025 10026 10027

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
		printk(KERN_ERR PFX "Cannot find power management"
		       " capability, aborting\n");
		rc = -EIO;
		goto err_out_release;
	}

	bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
	if (bp->pcie_cap == 0) {
		printk(KERN_ERR PFX "Cannot find PCI Express capability,"
		       " aborting\n");
		rc = -EIO;
		goto err_out_release;
	}

	if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
		bp->flags |= USING_DAC_FLAG;
		if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
			printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
			       " failed, aborting\n");
			rc = -EIO;
			goto err_out_release;
		}

	} else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
		printk(KERN_ERR PFX "System does not support DMA,"
		       " aborting\n");
		rc = -EIO;
		goto err_out_release;
	}

10028 10029 10030
	dev->mem_start = pci_resource_start(pdev, 0);
	dev->base_addr = dev->mem_start;
	dev->mem_end = pci_resource_end(pdev, 0);
E
Eliezer Tamir 已提交
10031 10032 10033 10034 10035 10036 10037 10038 10039 10040 10041

	dev->irq = pdev->irq;

	bp->regview = ioremap_nocache(dev->base_addr,
				      pci_resource_len(pdev, 0));
	if (!bp->regview) {
		printk(KERN_ERR PFX "Cannot map register space, aborting\n");
		rc = -ENOMEM;
		goto err_out_release;
	}

10042 10043 10044
	bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
					min_t(u64, BNX2X_DB_SIZE,
					      pci_resource_len(pdev, 2)));
E
Eliezer Tamir 已提交
10045 10046 10047 10048 10049 10050 10051 10052
	if (!bp->doorbells) {
		printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
		rc = -ENOMEM;
		goto err_out_unmap;
	}

	bnx2x_set_power_state(bp, PCI_D0);

10053 10054 10055 10056 10057 10058 10059
	/* clean indirect addresses */
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);
	REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
E
Eliezer Tamir 已提交
10060

10061 10062
	dev->hard_start_xmit = bnx2x_start_xmit;
	dev->watchdog_timeo = TX_TIMEOUT;
E
Eliezer Tamir 已提交
10063

10064 10065 10066 10067 10068 10069 10070 10071 10072 10073 10074 10075 10076 10077 10078 10079 10080 10081 10082 10083 10084 10085
	dev->ethtool_ops = &bnx2x_ethtool_ops;
	dev->open = bnx2x_open;
	dev->stop = bnx2x_close;
	dev->set_multicast_list = bnx2x_set_rx_mode;
	dev->set_mac_address = bnx2x_change_mac_addr;
	dev->do_ioctl = bnx2x_ioctl;
	dev->change_mtu = bnx2x_change_mtu;
	dev->tx_timeout = bnx2x_tx_timeout;
#ifdef BCM_VLAN
	dev->vlan_rx_register = bnx2x_vlan_rx_register;
#endif
#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
	dev->poll_controller = poll_bnx2x;
#endif
	dev->features |= NETIF_F_SG;
	dev->features |= NETIF_F_HW_CSUM;
	if (bp->flags & USING_DAC_FLAG)
		dev->features |= NETIF_F_HIGHDMA;
#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
Eilon Greenstein 已提交
10086
	dev->features |= NETIF_F_TSO6;
E
Eliezer Tamir 已提交
10087 10088 10089 10090 10091 10092 10093 10094 10095 10096 10097 10098 10099 10100

	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
		bp->regview = NULL;
	}
	if (bp->doorbells) {
		iounmap(bp->doorbells);
		bp->doorbells = NULL;
	}

err_out_release:
10101 10102
	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);
E
Eliezer Tamir 已提交
10103 10104 10105 10106 10107 10108 10109 10110 10111

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

err_out:
	return rc;
}

E
Eliezer Tamir 已提交
10112 10113 10114 10115 10116 10117 10118 10119 10120 10121 10122 10123 10124 10125 10126 10127 10128
static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
{
	u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);

	val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
	return val;
}

/* return value of 1=2.5GHz 2=5GHz */
static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
{
	u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);

	val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
	return val;
}

E
Eliezer Tamir 已提交
10129 10130 10131 10132 10133 10134
static int __devinit bnx2x_init_one(struct pci_dev *pdev,
				    const struct pci_device_id *ent)
{
	static int version_printed;
	struct net_device *dev = NULL;
	struct bnx2x *bp;
E
Eliezer Tamir 已提交
10135 10136
	int rc;
	DECLARE_MAC_BUF(mac);
E
Eliezer Tamir 已提交
10137 10138 10139 10140 10141 10142

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

	/* dev zeroed in init_etherdev */
	dev = alloc_etherdev(sizeof(*bp));
10143 10144
	if (!dev) {
		printk(KERN_ERR PFX "Cannot allocate net device\n");
E
Eliezer Tamir 已提交
10145
		return -ENOMEM;
10146
	}
E
Eliezer Tamir 已提交
10147 10148 10149 10150 10151 10152

	netif_carrier_off(dev);

	bp = netdev_priv(dev);
	bp->msglevel = debug;

10153
	rc = bnx2x_init_dev(pdev, dev);
E
Eliezer Tamir 已提交
10154 10155 10156 10157 10158 10159 10160
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

	rc = register_netdev(dev);
	if (rc) {
E
Eliezer Tamir 已提交
10161
		dev_err(&pdev->dev, "Cannot register net device\n");
10162
		goto init_one_exit;
E
Eliezer Tamir 已提交
10163 10164 10165 10166
	}

	pci_set_drvdata(pdev, dev);

10167 10168 10169 10170 10171 10172 10173
	rc = bnx2x_init_bp(bp);
	if (rc) {
		unregister_netdev(dev);
		goto init_one_exit;
	}

	bp->common.name = board_info[ent->driver_data].name;
E
Eliezer Tamir 已提交
10174
	printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10175 10176
	       " IRQ %d, ", dev->name, bp->common.name,
	       (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
E
Eliezer Tamir 已提交
10177 10178 10179 10180
	       bnx2x_get_pcie_width(bp),
	       (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
	       dev->base_addr, bp->pdev->irq);
	printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
E
Eliezer Tamir 已提交
10181
	return 0;
10182 10183 10184 10185 10186 10187 10188 10189 10190 10191 10192 10193 10194 10195 10196 10197 10198

init_one_exit:
	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

	free_netdev(dev);

	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

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

	return rc;
E
Eliezer Tamir 已提交
10199 10200 10201 10202 10203
}

static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
10204 10205 10206 10207 10208 10209 10210
	struct bnx2x *bp;

	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
10211 10212 10213 10214 10215 10216 10217 10218 10219 10220

	unregister_netdev(dev);

	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

	free_netdev(dev);
10221 10222 10223 10224

	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

E
Eliezer Tamir 已提交
10225 10226 10227 10228 10229 10230 10231
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
{
	struct net_device *dev = pci_get_drvdata(pdev);
10232 10233
	struct bnx2x *bp;

10234 10235 10236 10237 10238
	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return -ENODEV;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
10239

10240
	rtnl_lock();
E
Eliezer Tamir 已提交
10241

10242
	pci_save_state(pdev);
10243

10244 10245 10246 10247
	if (!netif_running(dev)) {
		rtnl_unlock();
		return 0;
	}
E
Eliezer Tamir 已提交
10248 10249 10250

	netif_device_detach(dev);

10251
	bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10252

E
Eliezer Tamir 已提交
10253
	bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10254

10255 10256
	rtnl_unlock();

E
Eliezer Tamir 已提交
10257 10258 10259 10260 10261 10262
	return 0;
}

static int bnx2x_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
10263
	struct bnx2x *bp;
E
Eliezer Tamir 已提交
10264 10265
	int rc;

10266 10267 10268 10269 10270
	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return -ENODEV;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
10271

10272 10273
	rtnl_lock();

10274
	pci_restore_state(pdev);
10275 10276 10277 10278 10279 10280

	if (!netif_running(dev)) {
		rtnl_unlock();
		return 0;
	}

E
Eliezer Tamir 已提交
10281 10282 10283
	bnx2x_set_power_state(bp, PCI_D0);
	netif_device_attach(dev);

10284
	rc = bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
10285

10286 10287 10288
	rtnl_unlock();

	return rc;
E
Eliezer Tamir 已提交
10289 10290
}

W
Wendy Xiong 已提交
10291 10292 10293 10294 10295 10296 10297 10298 10299 10300 10301 10302 10303 10304 10305 10306 10307 10308 10309 10310 10311 10312 10313 10314 10315 10316 10317 10318 10319 10320 10321 10322 10323 10324 10325 10326 10327 10328 10329 10330 10331 10332 10333 10334 10335 10336 10337 10338 10339 10340 10341 10342 10343 10344 10345 10346 10347 10348 10349 10350 10351 10352 10353 10354 10355 10356 10357 10358 10359 10360 10361 10362 10363 10364 10365 10366 10367 10368 10369 10370 10371 10372 10373 10374 10375 10376 10377 10378
/**
 * bnx2x_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 bnx2x_io_error_detected(struct pci_dev *pdev,
						pci_channel_state_t state)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	netif_device_detach(dev);

	if (netif_running(dev))
		bnx2x_nic_unload(bp, UNLOAD_CLOSE);

	pci_disable_device(pdev);

	rtnl_unlock();

	/* Request a slot reset */
	return PCI_ERS_RESULT_NEED_RESET;
}

/**
 * bnx2x_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 bnx2x_io_slot_reset(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	if (pci_enable_device(pdev)) {
		dev_err(&pdev->dev,
			"Cannot re-enable PCI device after reset\n");
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

	pci_set_master(pdev);
	pci_restore_state(pdev);

	if (netif_running(dev))
		bnx2x_set_power_state(bp, PCI_D0);

	rtnl_unlock();

	return PCI_ERS_RESULT_RECOVERED;
}

/**
 * bnx2x_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 bnx2x_io_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	if (netif_running(dev))
		bnx2x_nic_load(bp, LOAD_OPEN);

	netif_device_attach(dev);

	rtnl_unlock();
}

static struct pci_error_handlers bnx2x_err_handler = {
	.error_detected = bnx2x_io_error_detected,
	.slot_reset = bnx2x_io_slot_reset,
	.resume = bnx2x_io_resume,
};

E
Eliezer Tamir 已提交
10379
static struct pci_driver bnx2x_pci_driver = {
W
Wendy Xiong 已提交
10380 10381 10382 10383 10384 10385 10386
	.name        = DRV_MODULE_NAME,
	.id_table    = bnx2x_pci_tbl,
	.probe       = bnx2x_init_one,
	.remove      = __devexit_p(bnx2x_remove_one),
	.suspend     = bnx2x_suspend,
	.resume      = bnx2x_resume,
	.err_handler = &bnx2x_err_handler,
E
Eliezer Tamir 已提交
10387 10388 10389 10390 10391 10392 10393 10394 10395 10396 10397 10398 10399 10400 10401
};

static int __init bnx2x_init(void)
{
	return pci_register_driver(&bnx2x_pci_driver);
}

static void __exit bnx2x_cleanup(void)
{
	pci_unregister_driver(&bnx2x_pci_driver);
}

module_init(bnx2x_init);
module_exit(bnx2x_cleanup);