bnx2x_main.c 275.1 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      "1.42.4"
#define DRV_MODULE_RELDATE      "2008/4/9"
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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);

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

module_param(use_inta, int, 0);
module_param(poll, int, 0);
module_param(debug, int, 0);
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module_param(disable_tpa, int, 0);
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module_param(nomcp, int, 0);
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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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MODULE_PARM_DESC(nomcp, "ignore management CPU");
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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;
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		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;

	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)"
513
			  "  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,
515 516
			  fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
		BNX2X_ERR("          rx_comp_prod(%x)  rx_comp_cons(%x)"
517 518
			  "  *rx_cons_sb(%x)  *rx_bd_cons_sb(%x)"
			  "  rx_sge_prod(%x)  last_max_sge(%x)\n",
519
			  fp->rx_comp_prod, fp->rx_comp_cons,
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			  le16_to_cpu(*fp->rx_cons_sb),
			  le16_to_cpu(*fp->rx_bd_cons_sb),
			  fp->rx_sge_prod, fp->last_max_sge);
523
		BNX2X_ERR("          fp_c_idx(%x)  fp_u_idx(%x)"
524
			  "  bd data(%x,%x)  rx_alloc_failed(%lx)\n",
525
			  fp->fp_c_idx, fp->fp_u_idx, hw_prods->packets_prod,
526
			  hw_prods->bds_prod, fp->rx_alloc_failed);
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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",
553
				  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]);
		}
	}

576 577
	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",
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		  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);

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

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

E
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static void bnx2x_int_enable(struct bnx2x *bp)
E
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{
592
	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;
	}

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

	REG_WR(bp, addr, val);
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	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);
	}
E
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}

E
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static void bnx2x_int_disable(struct bnx2x *bp)
E
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{
637
	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");
}

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

659
	/* 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);
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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);
}

678
/* fast path */
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/*
681
 * General service functions
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 */

684
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)
{
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	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 inline int bnx2x_has_work(struct bnx2x_fastpath *fp)
{
	u16 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);

	if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
		rx_cons_sb++;

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	if ((fp->rx_comp_cons != rx_cons_sb) ||
	    (fp->tx_pkt_prod != le16_to_cpu(*fp->tx_cons_sb)) ||
	    (fp->tx_pkt_prod != fp->tx_pkt_cons))
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		return 1;

	return 0;
}

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;
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	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;
779
	new_cons = nbd + tx_buf->first_bd;
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#ifdef BNX2X_STOP_ON_ERROR
	if (nbd > (MAX_SKB_FRAGS + 2)) {
782
		BNX2X_ERR("BAD nbd!\n");
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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 */
	BUG_TRAP(skb);
	dev_kfree_skb(skb);
	tx_buf->first_bd = 0;
	tx_buf->skb = NULL;

822
	return new_cons;
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}

825
static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
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{
827 828 829
	s16 used;
	u16 prod;
	u16 cons;
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831
	barrier(); /* Tell compiler that prod and cons can change */
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	prod = fp->tx_bd_prod;
	cons = fp->tx_bd_cons;

835 836 837
	/* 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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839 840
#ifdef BNX2X_STOP_ON_ERROR
	BUG_TRAP(used >= 0);
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	BUG_TRAP(used <= fp->bp->tx_ring_size);
	BUG_TRAP((fp->bp->tx_ring_size - used) <= MAX_TX_AVAIL);
843
#endif
E
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845
	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); */

869
		DP(NETIF_MSG_TX_DONE, "hw_cons %u  sw_cons %u  pkt_cons %u\n",
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		   hw_cons, sw_cons, pkt_cons);

872
/*		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) &&
		    (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);

915
	DP(BNX2X_MSG_SP,
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	   "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
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	   FP_IDX(fp), cid, command, bp->state,
	   rr_cqe->ramrod_cqe.ramrod_type);
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	bp->spq_left++;

922
	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:
938 939 940
			BNX2X_ERR("unexpected MC reply (%d)  "
				  "fp->state is %x\n", command, fp->state);
			break;
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		}
942
		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):
959
		DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
960
		bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
E
Eliezer Tamir 已提交
961 962 963
		break;

	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
964
	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
E
Eliezer Tamir 已提交
965
		DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Y
Yitchak Gertner 已提交
966
		bp->set_mac_pending = 0;
E
Eliezer Tamir 已提交
967 968
		break;

969
	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
970
		DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
971 972
		break;

E
Eliezer Tamir 已提交
973
	default:
974
		BNX2X_ERR("unexpected MC reply (%d)  bp->state is %x\n",
E
Eliezer Tamir 已提交
975
			  command, bp->state);
976
		break;
E
Eliezer Tamir 已提交
977
	}
978
	mb(); /* force bnx2x_wait_ramrod() to see the change */
E
Eliezer Tamir 已提交
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 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036
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);
	if (unlikely(dma_mapping_error(mapping))) {
		__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
Eliezer Tamir 已提交
1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089
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);
	if (unlikely(dma_mapping_error(mapping))) {
		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;
}

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 1251 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 1288 1289 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 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386
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)) {
			fp->rx_alloc_failed++;
			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 alloc failed drop the packet and keep the buffer in the bin */
	if (likely(new_skb)) {

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

		/* else fix ip xsum and give it to the stack */
		/* (no need to map the new skb) */
#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 {
		DP(NETIF_MSG_RX_STATUS,
		   "Failed to allocate new skb - dropping packet!\n");
		fp->rx_alloc_failed++;
	}

	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);
}

E
Eliezer Tamir 已提交
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static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
{
	struct bnx2x *bp = fp->bp;
1390
	u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
E
Eliezer Tamir 已提交
1391 1392
	u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
	int rx_pkt = 0;
1393
	u16 queue;
E
Eliezer Tamir 已提交
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#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return 0;
#endif

1400 1401
	/* CQ "next element" is of the size of the regular element,
	   that's why it's ok here */
E
Eliezer Tamir 已提交
1402 1403 1404 1405 1406 1407
	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;
1408
	bd_prod_fw = bd_prod;
E
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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",
1419
	   FP_IDX(fp), hw_comp_cons, sw_comp_cons);
E
Eliezer Tamir 已提交
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	while (sw_comp_cons != hw_comp_cons) {
1422
		struct sw_rx_bd *rx_buf = NULL;
E
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		struct sk_buff *skb;
		union eth_rx_cqe *cqe;
1425 1426
		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];
1433
		cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
E
Eliezer Tamir 已提交
1434 1435

		DP(NETIF_MSG_RX_STATUS, "CQE type %x  err %x  status %x"
1436 1437
		   "  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
1438
		   cqe->fast_path_cqe.rss_hash_result,
1439 1440
		   le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
		   le16_to_cpu(cqe->fast_path_cqe.pkt_len));
E
Eliezer Tamir 已提交
1441 1442

		/* is this a slowpath msg? */
1443
		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;

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 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496
			/* 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
1497 1498 1499 1500 1501 1502 1503 1504
			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? */
1505
			if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
E
Eliezer Tamir 已提交
1506 1507
			/* do we sometimes forward error packets anyway? */
				DP(NETIF_MSG_RX_ERR,
1508 1509
				   "ERROR  flags %x  rx packet %u\n",
				   cqe_fp_flags, sw_comp_cons);
E
Eliezer Tamir 已提交
1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524
				/* TBD make sure MC counts this as a drop */
				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,
1525
					   "ERROR  packet dropped "
E
Eliezer Tamir 已提交
1526
					   "because of alloc failure\n");
1527
					fp->rx_alloc_failed++;
E
Eliezer Tamir 已提交
1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550
					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,
1551
				   "ERROR  packet dropped because "
E
Eliezer Tamir 已提交
1552
				   "of alloc failure\n");
1553
				fp->rx_alloc_failed++;
E
Eliezer Tamir 已提交
1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568
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;
			if (bp->rx_csum && BNX2X_RX_SUM_OK(cqe))
				skb->ip_summed = CHECKSUM_UNNECESSARY;

			/* TBD do we pass bad csum packets in promisc */
		}

#ifdef BCM_VLAN
1569 1570 1571
		if ((bp->vlgrp != NULL) &&
		    (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
		     PARSING_FLAGS_VLAN))
E
Eliezer Tamir 已提交
1572 1573 1574 1575
			vlan_hwaccel_receive_skb(skb, bp->vlgrp,
				le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
		else
#endif
1576
			netif_receive_skb(skb);
E
Eliezer Tamir 已提交
1577 1578 1579 1580 1581 1582 1583 1584

		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);
1585 1586
		bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
		rx_pkt++;
E
Eliezer Tamir 已提交
1587 1588 1589 1590
next_cqe:
		sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
		sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);

1591
		if (rx_pkt == budget)
E
Eliezer Tamir 已提交
1592 1593 1594 1595
			break;
	} /* while */

	fp->rx_bd_cons = bd_cons;
1596
	fp->rx_bd_prod = bd_prod_fw;
E
Eliezer Tamir 已提交
1597 1598 1599
	fp->rx_comp_cons = sw_comp_cons;
	fp->rx_comp_prod = sw_comp_prod;

1600 1601 1602
	/* Update producers */
	bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
			     fp->rx_sge_prod);
E
Eliezer Tamir 已提交
1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615
	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;
1616
	int index = FP_IDX(fp);
E
Eliezer Tamir 已提交
1617

1618 1619 1620
	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
1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632

#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));
1633

E
Eliezer Tamir 已提交
1634 1635 1636 1637 1638 1639 1640 1641
	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);
1642
	u16 mask;
E
Eliezer Tamir 已提交
1643

1644
	/* Return here if interrupt is shared and it's not for us */
E
Eliezer Tamir 已提交
1645 1646 1647 1648
	if (unlikely(status == 0)) {
		DP(NETIF_MSG_INTR, "not our interrupt!\n");
		return IRQ_NONE;
	}
1649
	DP(NETIF_MSG_INTR, "got an interrupt  status %u\n", status);
E
Eliezer Tamir 已提交
1650 1651 1652 1653 1654 1655

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

1656
	/* Return here if interrupt is disabled */
E
Eliezer Tamir 已提交
1657 1658 1659 1660 1661
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
		return IRQ_HANDLED;
	}

1662 1663
	mask = 0x2 << bp->fp[0].sb_id;
	if (status & mask) {
E
Eliezer Tamir 已提交
1664 1665 1666 1667 1668 1669 1670 1671 1672
		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));

1673
		status &= ~mask;
E
Eliezer Tamir 已提交
1674 1675 1676
	}


1677
	if (unlikely(status & 0x1)) {
E
Eliezer Tamir 已提交
1678 1679 1680 1681 1682 1683 1684
		schedule_work(&bp->sp_task);

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

1685 1686 1687
	if (status)
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
		   status);
E
Eliezer Tamir 已提交
1688

Y
Yaniv Rosner 已提交
1689
	return IRQ_HANDLED;
E
Eliezer Tamir 已提交
1690 1691
}

Y
Yaniv Rosner 已提交
1692
/* end of fast path */
E
Eliezer Tamir 已提交
1693

Y
Yitchak Gertner 已提交
1694
static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
E
Eliezer Tamir 已提交
1695

Y
Yaniv Rosner 已提交
1696 1697 1698 1699 1700
/* Link */

/*
 * General service functions
 */
E
Eliezer Tamir 已提交
1701

Y
Yaniv Rosner 已提交
1702 1703 1704 1705
static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource)
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
1706
	u8 port = BP_PORT(bp);
Y
Yaniv Rosner 已提交
1707
	int cnt;
E
Eliezer Tamir 已提交
1708

Y
Yaniv Rosner 已提交
1709 1710 1711 1712 1713 1714 1715
	/* 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
1716

Y
Yaniv Rosner 已提交
1717 1718 1719 1720 1721 1722 1723
	/* Validating that the resource is not already taken */
	lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
	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
1724

Y
Yaniv Rosner 已提交
1725 1726 1727 1728 1729 1730 1731 1732
	/* Try for 1 second every 5ms */
	for (cnt = 0; cnt < 200; cnt++) {
		/* Try to acquire the lock */
		REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + port*8 + 4,
		       resource_bit);
		lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
		if (lock_status & resource_bit)
			return 0;
E
Eliezer Tamir 已提交
1733

Y
Yaniv Rosner 已提交
1734
		msleep(5);
E
Eliezer Tamir 已提交
1735
	}
Y
Yaniv Rosner 已提交
1736 1737 1738
	DP(NETIF_MSG_HW, "Timeout\n");
	return -EAGAIN;
}
E
Eliezer Tamir 已提交
1739

Y
Yaniv Rosner 已提交
1740 1741 1742 1743
static int bnx2x_hw_unlock(struct bnx2x *bp, u32 resource)
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
1744
	u8 port = BP_PORT(bp);
E
Eliezer Tamir 已提交
1745

Y
Yaniv Rosner 已提交
1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759
	/* 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;
	}

	/* Validating that the resource is currently taken */
	lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
	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
1760 1761
	}

Y
Yaniv Rosner 已提交
1762 1763 1764 1765 1766 1767 1768 1769
	REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + port*8, resource_bit);
	return 0;
}

/* HW Lock for shared dual port PHYs */
static void bnx2x_phy_hw_lock(struct bnx2x *bp)
{
	u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
1770

1771
	mutex_lock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
1772

Y
Yaniv Rosner 已提交
1773 1774 1775 1776
	if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
		bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
}
E
Eliezer Tamir 已提交
1777

Y
Yaniv Rosner 已提交
1778 1779 1780
static void bnx2x_phy_hw_unlock(struct bnx2x *bp)
{
	u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
1781

Y
Yaniv Rosner 已提交
1782 1783 1784
	if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
		bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO);
E
Eliezer Tamir 已提交
1785

1786
	mutex_unlock(&bp->port.phy_mutex);
Y
Yaniv Rosner 已提交
1787
}
E
Eliezer Tamir 已提交
1788

Y
Yaniv Rosner 已提交
1789 1790 1791 1792
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) &&
1793
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ BP_PORT(bp);
Y
Yaniv Rosner 已提交
1794 1795 1796 1797
	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
1798

Y
Yaniv Rosner 已提交
1799 1800 1801 1802
	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1803

Y
Yaniv Rosner 已提交
1804 1805 1806
	bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
	/* 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
1807

Y
Yaniv Rosner 已提交
1808 1809 1810 1811 1812 1813 1814 1815
	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
1816

Y
Yaniv Rosner 已提交
1817 1818 1819 1820 1821 1822 1823
	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
1824

Y
Yaniv Rosner 已提交
1825 1826 1827 1828 1829 1830
	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
1831

Y
Yaniv Rosner 已提交
1832 1833
	default:
		break;
E
Eliezer Tamir 已提交
1834 1835
	}

Y
Yaniv Rosner 已提交
1836 1837
	REG_WR(bp, MISC_REG_GPIO, gpio_reg);
	bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_GPIO);
E
Eliezer Tamir 已提交
1838

Y
Yaniv Rosner 已提交
1839
	return 0;
E
Eliezer Tamir 已提交
1840 1841
}

Y
Yaniv Rosner 已提交
1842
static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
E
Eliezer Tamir 已提交
1843
{
Y
Yaniv Rosner 已提交
1844 1845
	u32 spio_mask = (1 << spio_num);
	u32 spio_reg;
E
Eliezer Tamir 已提交
1846

Y
Yaniv Rosner 已提交
1847 1848 1849 1850
	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
1851 1852
	}

Y
Yaniv Rosner 已提交
1853 1854 1855
	bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
	/* 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
1856

Y
Yaniv Rosner 已提交
1857 1858 1859 1860 1861 1862 1863
	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
1864

Y
Yaniv Rosner 已提交
1865 1866 1867 1868 1869 1870
	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
1871

Y
Yaniv Rosner 已提交
1872 1873 1874 1875 1876
	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
1877

Y
Yaniv Rosner 已提交
1878 1879
	default:
		break;
E
Eliezer Tamir 已提交
1880 1881
	}

Y
Yaniv Rosner 已提交
1882 1883 1884
	REG_WR(bp, MISC_REG_SPIO, spio_reg);
	bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_SPIO);

E
Eliezer Tamir 已提交
1885 1886 1887
	return 0;
}

Y
Yaniv Rosner 已提交
1888
static void bnx2x_calc_fc_adv(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1889
{
Y
Yaniv Rosner 已提交
1890 1891
	switch (bp->link_vars.ieee_fc) {
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1892
		bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1893 1894 1895
					  ADVERTISED_Pause);
		break;
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1896
		bp->port.advertising |= (ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1897 1898 1899
					 ADVERTISED_Pause);
		break;
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1900
		bp->port.advertising |= ADVERTISED_Asym_Pause;
Y
Yaniv Rosner 已提交
1901 1902
		break;
	default:
1903
		bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1904 1905 1906 1907
					  ADVERTISED_Pause);
		break;
	}
}
E
Eliezer Tamir 已提交
1908

Y
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1909 1910 1911 1912 1913 1914
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
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1915

Y
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1916
		printk("%d Mbps ", bp->link_vars.line_speed);
E
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1917

Y
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1918 1919 1920 1921
		if (bp->link_vars.duplex == DUPLEX_FULL)
			printk("full duplex");
		else
			printk("half duplex");
E
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1922

Y
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1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933
		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
1934

Y
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1935 1936 1937
	} else { /* link_down */
		netif_carrier_off(bp->dev);
		printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
E
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1938
	}
Y
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1939 1940 1941 1942 1943
}

static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
{
	u8 rc;
E
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1944

Y
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1945 1946
	/* Initialize link parameters structure variables */
	bp->link_params.mtu = bp->dev->mtu;
E
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1947

Y
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	bnx2x_phy_hw_lock(bp);
	rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
	bnx2x_phy_hw_unlock(bp);
E
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1951

Y
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1952 1953
	if (bp->link_vars.link_up)
		bnx2x_link_report(bp);
E
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1954

Y
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1955
	bnx2x_calc_fc_adv(bp);
1956

Y
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	return rc;
E
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1958 1959
}

Y
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1960
static void bnx2x_link_set(struct bnx2x *bp)
E
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1961
{
Y
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	bnx2x_phy_hw_lock(bp);
	bnx2x_phy_init(&bp->link_params, &bp->link_vars);
	bnx2x_phy_hw_unlock(bp);
E
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1965

Y
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1966 1967
	bnx2x_calc_fc_adv(bp);
}
E
Eliezer Tamir 已提交
1968

Y
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1969 1970 1971 1972 1973 1974
static void bnx2x__link_reset(struct bnx2x *bp)
{
	bnx2x_phy_hw_lock(bp);
	bnx2x_link_reset(&bp->link_params, &bp->link_vars);
	bnx2x_phy_hw_unlock(bp);
}
E
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1975

Y
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1976 1977 1978
static u8 bnx2x_link_test(struct bnx2x *bp)
{
	u8 rc;
E
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1979

Y
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1980 1981 1982
	bnx2x_phy_hw_lock(bp);
	rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
	bnx2x_phy_hw_unlock(bp);
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1984 1985
	return rc;
}
E
Eliezer Tamir 已提交
1986

1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 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
/* 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
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2198 2199 2200
/* This function is called upon link interrupt */
static void bnx2x_link_attn(struct bnx2x *bp)
{
2201 2202
	int vn;

Y
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2203 2204 2205
	/* Make sure that we are synced with the current statistics */
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
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2206 2207 2208
	bnx2x_phy_hw_lock(bp);
	bnx2x_link_update(&bp->link_params, &bp->link_vars);
	bnx2x_phy_hw_unlock(bp);
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Eliezer Tamir 已提交
2209

Y
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2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224
	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
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2225 2226
	/* indicate link status */
	bnx2x_link_report(bp);
2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259

	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);
	}
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2260
}
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2261

Y
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2262 2263 2264 2265
static void bnx2x__link_status_update(struct bnx2x *bp)
{
	if (bp->state != BNX2X_STATE_OPEN)
		return;
E
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2266

Y
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2267
	bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
E
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2268

Y
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2269 2270 2271 2272 2273
	if (bp->link_vars.link_up)
		bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	else
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);

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2274 2275
	/* indicate link status */
	bnx2x_link_report(bp);
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2276 2277
}

2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289
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
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2290 2291

	bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2292 2293
}

Y
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2294
/* end of Link */
E
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/* 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)
{
2306
	int func = BP_FUNC(bp);
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2308 2309
	DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
	   "SPQE (%x:%x)  command %d  hw_cid %x  data (%x:%x)  left %x\n",
E
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	   (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

2319
	spin_lock_bh(&bp->spq_lock);
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	if (!bp->spq_left) {
		BNX2X_ERR("BUG! SPQ ring full!\n");
2323
		spin_unlock_bh(&bp->spq_lock);
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		bnx2x_panic();
		return -EBUSY;
	}
E
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	/* 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++;
	}

2352
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
E
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2353 2354
	       bp->spq_prod_idx);

2355
	spin_unlock_bh(&bp->spq_lock);
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2356 2357 2358 2359 2360 2361 2362
	return 0;
}

/* acquire split MCP access lock register */
static int bnx2x_lock_alr(struct bnx2x *bp)
{
	u32 i, j, val;
2363
	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))) {
		BNX2X_ERR("Cannot acquire nvram interface\n");
		rc = -EBUSY;
	}

	return rc;
}

/* Release split MCP access lock register */
static void bnx2x_unlock_alr(struct bnx2x *bp)
{
	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)
{
2428 2429 2430
	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;
2433 2434
	u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
				       NIG_REG_MASK_INTERRUPT_PORT0;
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	if (~bp->aeu_mask & (asserted & 0xff))
		BNX2X_ERR("IGU ERROR\n");
	if (bp->attn_state & asserted)
		BNX2X_ERR("IGU ERROR\n");

	DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
	   bp->aeu_mask, asserted);
	bp->aeu_mask &= ~(asserted & 0xff);
	DP(NETIF_MSG_HW, "after masking: aeu_mask %x\n", bp->aeu_mask);

	REG_WR(bp, aeu_addr, bp->aeu_mask);

	bp->attn_state |= asserted;

	if (asserted & ATTN_HARD_WIRED_MASK) {
		if (asserted & ATTN_NIG_FOR_FUNC) {

2453 2454 2455
			/* 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)
2509
		REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
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}

2512
static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
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{
2514
	int port = BP_PORT(bp);
2515 2516 2517
	int reg_offset;
	u32 val;

2518 2519
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2520

2521
	if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2522 2523 2524 2525 2526 2527 2528

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

		BNX2X_ERR("SPIO5 hw attention\n");

2529
		switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2530 2531 2532 2533 2534 2535 2536 2537 2538 2539
		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 &=
2541
					~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
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			bp->link_params.ext_phy_config |=
2543 2544 2545 2546
					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);
2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559
			/* 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;
		}
	}
2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570

	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();
	}
2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584
}

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");
	}
2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601

	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();
	}
2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624
}

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");
	}
2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641

	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();
	}
2642 2643 2644 2645
}

static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
{
2646 2647
	u32 val;

2648 2649
	if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {

2650 2651 2652 2653 2654 2655 2656 2657 2658 2659
		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) {
2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671

			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);
2672
			bnx2x_fw_dump(bp);
2673 2674 2675 2676 2677 2678

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

	if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689
		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);
		}
2690 2691 2692 2693 2694 2695
		REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
	}
}

static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
{
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	struct attn_route attn;
	struct attn_route group_mask;
2698
	int port = BP_PORT(bp);
2699
	int index;
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	u32 reg_addr;
	u32 val;

	/* need to take HW lock because MCP or other port might also
	   try to handle this event */
	bnx2x_lock_alr(bp);

	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);
2711 2712
	DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
	   attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
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	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
		if (deasserted & (1 << index)) {
			group_mask = bp->attn_group[index];

2718 2719 2720
			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]);
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2722 2723 2724 2725 2726 2727 2728 2729
			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]);
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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))
2737
			       BNX2X_ERR("FATAL HW block parity attention\n");
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		}
	}

	bnx2x_unlock_alr(bp);

2743
	reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
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	val = ~deasserted;
2746
/*	DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n",
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	   val, BAR_IGU_INTMEM + reg_addr); */
	REG_WR(bp, BAR_IGU_INTMEM + reg_addr, val);

	if (bp->aeu_mask & (deasserted & 0xff))
2751
		BNX2X_ERR("IGU BUG!\n");
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	if (~bp->attn_state & deasserted)
2753
		BNX2X_ERR("IGU BUG!\n");
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	reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			  MISC_REG_AEU_MASK_ATTN_FUNC_0;

	DP(NETIF_MSG_HW, "aeu_mask %x\n", bp->aeu_mask);
	bp->aeu_mask |= (deasserted & 0xff);

	DP(NETIF_MSG_HW, "new mask %x\n", bp->aeu_mask);
	REG_WR(bp, reg_addr, bp->aeu_mask);

	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))
2785
		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;

2800

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	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2803
		DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
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		return;
	}

	status = bnx2x_update_dsb_idx(bp);
2808 2809
/*	if (status == 0)				     */
/*		BNX2X_ERR("spurious slowpath interrupt!\n"); */
E
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2811
	DP(BNX2X_MSG_SP, "got a slowpath interrupt (updated %x)\n", status);
E
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2813 2814
	/* HW attentions */
	if (status & 0x1)
E
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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);
2831

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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)) {
2841
		DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
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		return IRQ_HANDLED;
	}

2845
	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_init(struct bnx2x *bp)
{
	int func = BP_FUNC(bp);

	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func), 1);
	REG_WR(bp, BAR_XSTRORM_INTMEM +
	       XSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);

	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func), 1);
	REG_WR(bp, BAR_TSTRORM_INTMEM +
	       TSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);

	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func), 0);
	REG_WR(bp, BAR_CSTRORM_INTMEM +
	       CSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);

	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)));
}

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);
	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;
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	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;
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	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) {
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		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) +
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				offsetof(struct bmac_stats, rx_stat_gr64_lo));
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		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
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				offsetof(struct bmac_stats, rx_stat_gr64_lo));
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		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;

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	} else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
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		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
3304
		     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
E
Eliezer Tamir 已提交
3305
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3306
		     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
E
Eliezer Tamir 已提交
3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318
		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
3319
			offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
E
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3320
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3321
			offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
E
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3322 3323 3324 3325 3326 3327 3328
		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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3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354
	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
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3355 3356 3357 3358 3359 3360 3361 3362 3363
	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
3364 3365 3366 3367
			(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
3368
	dmae->src_addr_hi = 0;
Y
Yitchak Gertner 已提交
3369 3370 3371 3372 3373 3374 3375 3376 3377 3378
	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
3379 3380
}

Y
Yitchak Gertner 已提交
3381
static void bnx2x_func_stats_init(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3382
{
Y
Yitchak Gertner 已提交
3383 3384
	struct dmae_command *dmae = &bp->stats_dmae;
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
E
Eliezer Tamir 已提交
3385

Y
Yitchak Gertner 已提交
3386 3387 3388 3389 3390
	/* sanity */
	if (!bp->func_stx) {
		BNX2X_ERR("BUG!\n");
		return;
	}
E
Eliezer Tamir 已提交
3391

Y
Yitchak Gertner 已提交
3392 3393
	bp->executer_idx = 0;
	memset(dmae, 0, sizeof(struct dmae_command));
E
Eliezer Tamir 已提交
3394

Y
Yitchak Gertner 已提交
3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412
	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
3413

Y
Yitchak Gertner 已提交
3414 3415
	*stats_comp = 0;
}
E
Eliezer Tamir 已提交
3416

Y
Yitchak Gertner 已提交
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 3452 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 3533 3534 3535
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);
	UPDATE_STAT64(rx_stat_grxpf, rx_stat_bmac_xpf);
	UPDATE_STAT64(rx_stat_grxcf, rx_stat_bmac_xcf);
	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
3536

Y
Yitchak Gertner 已提交
3537 3538
	ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
		      new->brb_discard - old->brb_discard);
E
Eliezer Tamir 已提交
3539

Y
Yitchak Gertner 已提交
3540 3541 3542
	UPDATE_STAT64_NIG(egress_mac_pkt0,
					etherstatspkts1024octetsto1522octets);
	UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
E
Eliezer Tamir 已提交
3543

Y
Yitchak Gertner 已提交
3544
	memcpy(old, new, sizeof(struct nig_stats));
E
Eliezer Tamir 已提交
3545

Y
Yitchak Gertner 已提交
3546 3547 3548 3549
	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
3550

Y
Yitchak Gertner 已提交
3551
	pstats->host_port_stats_start = ++pstats->host_port_stats_end;
E
Eliezer Tamir 已提交
3552

Y
Yitchak Gertner 已提交
3553
	return 0;
E
Eliezer Tamir 已提交
3554 3555
}

Y
Yitchak Gertner 已提交
3556
static int bnx2x_storm_stats_update(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3557 3558
{
	struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
Y
Yitchak Gertner 已提交
3559 3560 3561
	int cl_id = BP_CL_ID(bp);
	struct tstorm_per_port_stats *tport =
				&stats->tstorm_common.port_statistics;
E
Eliezer Tamir 已提交
3562
	struct tstorm_per_client_stats *tclient =
Y
Yitchak Gertner 已提交
3563
			&stats->tstorm_common.client_statistics[cl_id];
E
Eliezer Tamir 已提交
3564
	struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
Y
Yitchak Gertner 已提交
3565 3566 3567 3568 3569
	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
3570 3571
	u32 diff;

Y
Yitchak Gertner 已提交
3572 3573 3574 3575 3576 3577
	/* 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
3578 3579
		return -1;
	}
Y
Yitchak Gertner 已提交
3580 3581 3582 3583 3584
	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
3585 3586 3587
		return -2;
	}

Y
Yitchak Gertner 已提交
3588 3589
	fstats->total_bytes_received_hi =
	fstats->valid_bytes_received_hi =
E
Eliezer Tamir 已提交
3590
				le32_to_cpu(tclient->total_rcv_bytes.hi);
Y
Yitchak Gertner 已提交
3591 3592
	fstats->total_bytes_received_lo =
	fstats->valid_bytes_received_lo =
E
Eliezer Tamir 已提交
3593
				le32_to_cpu(tclient->total_rcv_bytes.lo);
Y
Yitchak Gertner 已提交
3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609

	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
3610
	UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
Y
Yitchak Gertner 已提交
3611
				total_multicast_packets_received);
E
Eliezer Tamir 已提交
3612
	UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
Y
Yitchak Gertner 已提交
3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636
				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
3637
				le32_to_cpu(tclient->rcv_unicast_bytes.hi);
Y
Yitchak Gertner 已提交
3638
	old_tclient->rcv_unicast_bytes.lo =
E
Eliezer Tamir 已提交
3639
				le32_to_cpu(tclient->rcv_unicast_bytes.lo);
Y
Yitchak Gertner 已提交
3640
	old_tclient->rcv_broadcast_bytes.hi =
E
Eliezer Tamir 已提交
3641
				le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
Y
Yitchak Gertner 已提交
3642
	old_tclient->rcv_broadcast_bytes.lo =
E
Eliezer Tamir 已提交
3643
				le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
Y
Yitchak Gertner 已提交
3644
	old_tclient->rcv_multicast_bytes.hi =
E
Eliezer Tamir 已提交
3645
				le32_to_cpu(tclient->rcv_multicast_bytes.hi);
Y
Yitchak Gertner 已提交
3646
	old_tclient->rcv_multicast_bytes.lo =
E
Eliezer Tamir 已提交
3647
				le32_to_cpu(tclient->rcv_multicast_bytes.lo);
Y
Yitchak Gertner 已提交
3648
	old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
E
Eliezer Tamir 已提交
3649

Y
Yitchak Gertner 已提交
3650 3651
	old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
	old_tclient->packets_too_big_discard =
E
Eliezer Tamir 已提交
3652
				le32_to_cpu(tclient->packets_too_big_discard);
Y
Yitchak Gertner 已提交
3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671
	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
3672 3673 3674 3675

	return 0;
}

Y
Yitchak Gertner 已提交
3676
static void bnx2x_net_stats_update(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3677
{
Y
Yitchak Gertner 已提交
3678 3679
	struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
	struct bnx2x_eth_stats *estats = &bp->eth_stats;
E
Eliezer Tamir 已提交
3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691
	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
3692
	nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
E
Eliezer Tamir 已提交
3693

E
Eliezer Tamir 已提交
3694
	nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
E
Eliezer Tamir 已提交
3695

Y
Yitchak Gertner 已提交
3696 3697
	nstats->rx_dropped = old_tclient->checksum_discard +
			     estats->mac_discard;
E
Eliezer Tamir 已提交
3698 3699 3700 3701 3702
	nstats->tx_dropped = 0;

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

Y
Yitchak Gertner 已提交
3703 3704 3705 3706 3707
	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
3708

Y
Yitchak Gertner 已提交
3709 3710 3711 3712 3713 3714 3715 3716
	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;
	nstats->rx_over_errors = estats->brb_drop_lo +
E
Eliezer Tamir 已提交
3717
				 estats->brb_truncate_discard;
Y
Yitchak Gertner 已提交
3718 3719 3720
	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
3721 3722 3723 3724 3725 3726
	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
3727 3728
			    nstats->rx_fifo_errors +
			    nstats->rx_missed_errors;
E
Eliezer Tamir 已提交
3729

Y
Yitchak Gertner 已提交
3730 3731 3732 3733
	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
3734 3735 3736 3737 3738 3739 3740 3741
	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
3742
static void bnx2x_stats_update(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3743
{
Y
Yitchak Gertner 已提交
3744 3745
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
	int update = 0;
E
Eliezer Tamir 已提交
3746

Y
Yitchak Gertner 已提交
3747 3748 3749 3750 3751
	if (*stats_comp != DMAE_COMP_VAL)
		return;

	if (bp->port.pmf)
		update = (bnx2x_hw_stats_update(bp) == 0);
E
Eliezer Tamir 已提交
3752

Y
Yitchak Gertner 已提交
3753
	update |= (bnx2x_storm_stats_update(bp) == 0);
E
Eliezer Tamir 已提交
3754

Y
Yitchak Gertner 已提交
3755 3756
	if (update)
		bnx2x_net_stats_update(bp);
E
Eliezer Tamir 已提交
3757

Y
Yitchak Gertner 已提交
3758 3759 3760 3761 3762 3763 3764 3765 3766
	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
3767 3768 3769
	}

	if (bp->msglevel & NETIF_MSG_TIMER) {
Y
Yitchak Gertner 已提交
3770 3771
		struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
		struct bnx2x_eth_stats *estats = &bp->eth_stats;
E
Eliezer Tamir 已提交
3772
		struct net_device_stats *nstats = &bp->dev->stats;
3773
		int i;
E
Eliezer Tamir 已提交
3774 3775 3776 3777 3778

		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),
3779
		       le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
E
Eliezer Tamir 已提交
3780 3781
		printk(KERN_DEBUG "  rx usage (%4x)  rx hc idx (%x)"
				  "  rx pkt (%lx)\n",
3782 3783 3784
		       (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
3785 3786
		printk(KERN_DEBUG "  %s (Xoff events %u)  brb drops %u\n",
		       netif_queue_stopped(bp->dev)? "Xoff" : "Xon",
Y
Yitchak Gertner 已提交
3787
		       estats->driver_xoff, estats->brb_drop_lo);
E
Eliezer Tamir 已提交
3788 3789 3790 3791 3792
		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
3793 3794 3795
		       old_tclient->checksum_discard,
		       old_tclient->packets_too_big_discard,
		       old_tclient->no_buff_discard, estats->mac_discard,
E
Eliezer Tamir 已提交
3796
		       estats->mac_filter_discard, estats->xxoverflow_discard,
Y
Yitchak Gertner 已提交
3797 3798
		       estats->brb_truncate_discard,
		       old_tclient->ttl0_discard);
E
Eliezer Tamir 已提交
3799 3800 3801 3802 3803 3804 3805 3806 3807

		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
3808 3809 3810
	bnx2x_hw_stats_post(bp);
	bnx2x_storm_stats_post(bp);
}
E
Eliezer Tamir 已提交
3811

Y
Yitchak Gertner 已提交
3812 3813 3814 3815 3816 3817
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
3818

Y
Yitchak Gertner 已提交
3819
	bp->executer_idx = 0;
E
Eliezer Tamir 已提交
3820

Y
Yitchak Gertner 已提交
3821 3822 3823
	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
3824
#ifdef __BIG_ENDIAN
Y
Yitchak Gertner 已提交
3825
		  DMAE_CMD_ENDIANITY_B_DW_SWAP |
E
Eliezer Tamir 已提交
3826
#else
Y
Yitchak Gertner 已提交
3827
		  DMAE_CMD_ENDIANITY_DW_SWAP |
E
Eliezer Tamir 已提交
3828
#endif
Y
Yitchak Gertner 已提交
3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841
		  (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
3842
		dmae->dst_addr_hi = 0;
Y
Yitchak Gertner 已提交
3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853
		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
3854

Y
Yitchak Gertner 已提交
3855 3856
			*stats_comp = 0;
		}
E
Eliezer Tamir 已提交
3857 3858
	}

Y
Yitchak Gertner 已提交
3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872
	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
3873
	}
Y
Yitchak Gertner 已提交
3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888
}

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
3889

Y
Yitchak Gertner 已提交
3890 3891 3892 3893 3894
		if (bp->port.pmf)
			bnx2x_port_stats_stop(bp);

		bnx2x_hw_stats_post(bp);
		bnx2x_stats_comp(bp);
E
Eliezer Tamir 已提交
3895 3896 3897
	}
}

Y
Yitchak Gertner 已提交
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 3931 3932
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
3933 3934 3935 3936 3937 3938 3939 3940
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
3941
		goto timer_restart;
E
Eliezer Tamir 已提交
3942 3943 3944 3945 3946 3947 3948 3949 3950

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

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

3951 3952
	if (!BP_NOMCP(bp)) {
		int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
3953 3954 3955 3956 3957 3958 3959
		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;
3960
		SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
E
Eliezer Tamir 已提交
3961

3962
		mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
E
Eliezer Tamir 已提交
3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974
			     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
3975 3976 3977
	if ((bp->state == BNX2X_STATE_OPEN) ||
	    (bp->state == BNX2X_STATE_DISABLED))
		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
E
Eliezer Tamir 已提交
3978

E
Eliezer Tamir 已提交
3979
timer_restart:
E
Eliezer Tamir 已提交
3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990
	mod_timer(&bp->timer, jiffies + bp->current_interval);
}

/* end of Statistics */

/* nic init */

/*
 * nic init service functions
 */

3991
static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
E
Eliezer Tamir 已提交
3992
{
3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006
	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
4007
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4008
	int index;
4009
	u64 section;
E
Eliezer Tamir 已提交
4010 4011 4012 4013

	/* USTORM */
	section = ((u64)mapping) + offsetof(struct host_status_block,
					    u_status_block);
4014
	sb->u_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4015 4016

	REG_WR(bp, BAR_USTRORM_INTMEM +
4017
	       USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
E
Eliezer Tamir 已提交
4018
	REG_WR(bp, BAR_USTRORM_INTMEM +
4019
	       ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
E
Eliezer Tamir 已提交
4020
	       U64_HI(section));
Y
Yitchak Gertner 已提交
4021 4022
	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
4023 4024 4025

	for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4026
			 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
E
Eliezer Tamir 已提交
4027 4028 4029 4030

	/* CSTORM */
	section = ((u64)mapping) + offsetof(struct host_status_block,
					    c_status_block);
4031
	sb->c_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4032 4033

	REG_WR(bp, BAR_CSTRORM_INTMEM +
4034
	       CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
E
Eliezer Tamir 已提交
4035
	REG_WR(bp, BAR_CSTRORM_INTMEM +
4036
	       ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
E
Eliezer Tamir 已提交
4037
	       U64_HI(section));
4038 4039
	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
4040 4041 4042

	for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4043 4044 4045 4046 4047 4048 4049 4050
			 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
4051

4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063
	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
4064 4065 4066 4067
}

static void bnx2x_init_def_sb(struct bnx2x *bp,
			      struct host_def_status_block *def_sb,
4068
			      dma_addr_t mapping, int sb_id)
E
Eliezer Tamir 已提交
4069
{
4070 4071
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4072 4073 4074 4075 4076 4077
	int index, val, reg_offset;
	u64 section;

	/* ATTN */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    atten_status_block);
4078
	def_sb->atten_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4079

4080 4081 4082
	bp->def_att_idx = 0;
	bp->attn_state = 0;

E
Eliezer Tamir 已提交
4083 4084 4085
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);

4086
	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
E
Eliezer Tamir 已提交
4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108
		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);
	}

	bp->aeu_mask = REG_RD(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
					  MISC_REG_AEU_MASK_ATTN_FUNC_0));

	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);
4109
	val |= sb_id;
E
Eliezer Tamir 已提交
4110 4111 4112 4113 4114
	REG_WR(bp, reg_offset, val);

	/* USTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    u_def_status_block);
4115
	def_sb->u_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4116

4117 4118
	bp->def_u_idx = 0;

E
Eliezer Tamir 已提交
4119
	REG_WR(bp, BAR_USTRORM_INTMEM +
4120
	       USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4121
	REG_WR(bp, BAR_USTRORM_INTMEM +
4122
	       ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4123
	       U64_HI(section));
4124 4125 4126
	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
4127 4128 4129 4130
	       BNX2X_BTR);

	for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4131
			 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4132 4133 4134 4135

	/* CSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    c_def_status_block);
4136
	def_sb->c_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4137

4138 4139
	bp->def_c_idx = 0;

E
Eliezer Tamir 已提交
4140
	REG_WR(bp, BAR_CSTRORM_INTMEM +
4141
	       CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4142
	REG_WR(bp, BAR_CSTRORM_INTMEM +
4143
	       ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4144
	       U64_HI(section));
4145 4146 4147
	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
4148 4149 4150 4151
	       BNX2X_BTR);

	for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4152
			 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4153 4154 4155 4156

	/* TSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    t_def_status_block);
4157
	def_sb->t_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4158

4159 4160
	bp->def_t_idx = 0;

E
Eliezer Tamir 已提交
4161
	REG_WR(bp, BAR_TSTRORM_INTMEM +
4162
	       TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4163
	REG_WR(bp, BAR_TSTRORM_INTMEM +
4164
	       ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4165
	       U64_HI(section));
4166 4167 4168
	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
4169 4170 4171 4172
	       BNX2X_BTR);

	for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_TSTRORM_INTMEM +
4173
			 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4174 4175 4176 4177

	/* XSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    x_def_status_block);
4178
	def_sb->x_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4179

4180 4181
	bp->def_x_idx = 0;

E
Eliezer Tamir 已提交
4182
	REG_WR(bp, BAR_XSTRORM_INTMEM +
4183
	       XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4184
	REG_WR(bp, BAR_XSTRORM_INTMEM +
4185
	       ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4186
	       U64_HI(section));
4187 4188 4189
	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
4190 4191 4192 4193
	       BNX2X_BTR);

	for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_XSTRORM_INTMEM +
4194
			 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4195

Y
Yitchak Gertner 已提交
4196 4197
	bp->stats_pending = 0;

4198
	bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
4199 4200 4201 4202
}

static void bnx2x_update_coalesce(struct bnx2x *bp)
{
4203
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
4204 4205 4206
	int i;

	for_each_queue(bp, i) {
4207
		int sb_id = bp->fp[i].sb_id;
E
Eliezer Tamir 已提交
4208 4209 4210

		/* HC_INDEX_U_ETH_RX_CQ_CONS */
		REG_WR8(bp, BAR_USTRORM_INTMEM +
4211
			USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
E
Eliezer Tamir 已提交
4212
						   HC_INDEX_U_ETH_RX_CQ_CONS),
4213
			bp->rx_ticks/12);
E
Eliezer Tamir 已提交
4214
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4215
			 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
E
Eliezer Tamir 已提交
4216
						   HC_INDEX_U_ETH_RX_CQ_CONS),
4217
			 bp->rx_ticks ? 0 : 1);
E
Eliezer Tamir 已提交
4218 4219 4220

		/* HC_INDEX_C_ETH_TX_CQ_CONS */
		REG_WR8(bp, BAR_CSTRORM_INTMEM +
4221
			CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
E
Eliezer Tamir 已提交
4222
						   HC_INDEX_C_ETH_TX_CQ_CONS),
4223
			bp->tx_ticks/12);
E
Eliezer Tamir 已提交
4224
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4225
			 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
E
Eliezer Tamir 已提交
4226
						   HC_INDEX_C_ETH_TX_CQ_CONS),
4227
			 bp->tx_ticks ? 0 : 1);
E
Eliezer Tamir 已提交
4228 4229 4230
	}
}

4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255
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
4256 4257
static void bnx2x_init_rx_rings(struct bnx2x *bp)
{
4258 4259
	int func = BP_FUNC(bp);
	u16 ring_prod, cqe_ring_prod = 0;
E
Eliezer Tamir 已提交
4260 4261 4262 4263 4264 4265
	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;

4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294
	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) {
			for (i = 0; i < ETH_MAX_AGGREGATION_QUEUES_E1H; i++) {
				struct bnx2x_fastpath *fp = &bp->fp[j];

				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
4295 4296 4297 4298 4299
	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;
4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316
		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
4317

4318
		/* RX BD ring */
E
Eliezer Tamir 已提交
4319 4320 4321 4322 4323 4324
		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 +
4325
					    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
E
Eliezer Tamir 已提交
4326 4327
			rx_bd->addr_lo =
				cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4328
					    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
E
Eliezer Tamir 已提交
4329 4330
		}

4331
		/* CQ ring */
E
Eliezer Tamir 已提交
4332 4333 4334 4335 4336 4337 4338
		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 +
4339
					   BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
E
Eliezer Tamir 已提交
4340 4341
			nextpg->addr_lo =
				cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4342
					   BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
E
Eliezer Tamir 已提交
4343 4344
		}

4345 4346 4347
		/* 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
4348

4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367
			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);
				bnx2x_free_tpa_pool(bp, fp,
					      ETH_MAX_AGGREGATION_QUEUES_E1H);
				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 */
		fp->rx_comp_cons = fp->rx_alloc_failed = 0;
		cqe_ring_prod = ring_prod = 0;
E
Eliezer Tamir 已提交
4368 4369 4370 4371
		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);
4372
				fp->rx_alloc_failed++;
E
Eliezer Tamir 已提交
4373 4374 4375
				break;
			}
			ring_prod = NEXT_RX_IDX(ring_prod);
4376
			cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
E
Eliezer Tamir 已提交
4377 4378 4379
			BUG_TRAP(ring_prod > i);
		}

4380 4381 4382 4383
		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
4384 4385
		fp->rx_pkt = fp->rx_calls = 0;

4386 4387 4388 4389 4390 4391
		/* 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
4392 4393 4394 4395
		if (j != 0)
			continue;

		REG_WR(bp, BAR_USTRORM_INTMEM +
4396
		       USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
E
Eliezer Tamir 已提交
4397 4398
		       U64_LO(fp->rx_comp_mapping));
		REG_WR(bp, BAR_USTRORM_INTMEM +
4399
		       USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416
		       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 +
4417
					    BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
E
Eliezer Tamir 已提交
4418 4419
			tx_bd->addr_lo =
				cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4420
					    BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
E
Eliezer Tamir 已提交
4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433
		}

		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)
{
4434
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4435 4436 4437 4438 4439 4440 4441 4442 4443

	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;

4444
	REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
E
Eliezer Tamir 已提交
4445
	       U64_LO(bp->spq_mapping));
4446 4447
	REG_WR(bp,
	       XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4448 4449
	       U64_HI(bp->spq_mapping));

4450
	REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
E
Eliezer Tamir 已提交
4451 4452 4453 4454 4455 4456 4457 4458 4459 4460
	       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];
4461
		u8 sb_id = FP_SB_ID(fp);
E
Eliezer Tamir 已提交
4462 4463 4464 4465 4466 4467 4468 4469 4470

		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);
4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483
		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
4484
						U64_HI(fp->rx_desc_mapping);
4485
		context->ustorm_st_context.common.bd_page_base_lo =
E
Eliezer Tamir 已提交
4486
						U64_LO(fp->rx_desc_mapping);
4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498
		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
4499 4500
		context->cstorm_st_context.sb_index_number =
						HC_INDEX_C_ETH_TX_CQ_CONS;
4501
		context->cstorm_st_context.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515

		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)
{
4516
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
4517 4518 4519 4520 4521
	int i;

	if (!is_multi(bp))
		return;

4522
	DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
E
Eliezer Tamir 已提交
4523
	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4524 4525
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
			TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
E
Eliezer Tamir 已提交
4526 4527 4528 4529 4530
			i % bp->num_queues);

	REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
}

4531 4532 4533
static void bnx2x_set_client_config(struct bnx2x *bp)
{
	struct tstorm_eth_client_config tstorm_client = {0};
4534 4535
	int port = BP_PORT(bp);
	int i;
4536

4537
	tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
4538 4539 4540 4541
	tstorm_client.statistics_counter_id = 0;
	tstorm_client.config_flags =
				TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
#ifdef BCM_VLAN
4542
	if (bp->rx_mode && bp->vlgrp) {
4543 4544 4545 4546 4547 4548
		tstorm_client.config_flags |=
				TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
		DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
	}
#endif

4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560
	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;
	}

4561 4562
	for_each_queue(bp, i) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4563
		       TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4564 4565
		       ((u32 *)&tstorm_client)[0]);
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4566
		       TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4567 4568 4569
		       ((u32 *)&tstorm_client)[1]);
	}

4570 4571
	DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
	   ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4572 4573
}

E
Eliezer Tamir 已提交
4574 4575 4576
static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
{
	struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4577 4578 4579
	int mode = bp->rx_mode;
	int mask = (1 << BP_L_ID(bp));
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4580 4581 4582 4583 4584 4585
	int i;

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

	switch (mode) {
	case BNX2X_RX_MODE_NONE: /* no Rx */
4586 4587 4588
		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
4589 4590
		break;
	case BNX2X_RX_MODE_NORMAL:
4591
		tstorm_mac_filter.bcast_accept_all = mask;
E
Eliezer Tamir 已提交
4592 4593
		break;
	case BNX2X_RX_MODE_ALLMULTI:
4594 4595
		tstorm_mac_filter.mcast_accept_all = mask;
		tstorm_mac_filter.bcast_accept_all = mask;
E
Eliezer Tamir 已提交
4596 4597
		break;
	case BNX2X_RX_MODE_PROMISC:
4598 4599 4600
		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
4601 4602
		break;
	default:
4603 4604
		BNX2X_ERR("BAD rx mode (%d)\n", mode);
		break;
E
Eliezer Tamir 已提交
4605 4606 4607 4608
	}

	for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4609
		       TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
E
Eliezer Tamir 已提交
4610 4611
		       ((u32 *)&tstorm_mac_filter)[i]);

4612
/*		DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
E
Eliezer Tamir 已提交
4613 4614 4615
		   ((u32 *)&tstorm_mac_filter)[i]); */
	}

4616 4617
	if (mode != BNX2X_RX_MODE_NONE)
		bnx2x_set_client_config(bp);
E
Eliezer Tamir 已提交
4618 4619 4620 4621 4622 4623
}

static void bnx2x_init_internal(struct bnx2x *bp)
{
	struct tstorm_eth_function_common_config tstorm_config = {0};
	struct stats_indication_flags stats_flags = {0};
4624 4625 4626
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
	int i;
E
Eliezer Tamir 已提交
4627 4628 4629 4630 4631 4632

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

4633 4634
	tstorm_config.leading_client_id = BP_L_ID(bp);

E
Eliezer Tamir 已提交
4635
	REG_WR(bp, BAR_TSTRORM_INTMEM +
4636
	       TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
E
Eliezer Tamir 已提交
4637 4638
	       (*(u32 *)&tstorm_config));

4639
/*	DP(NETIF_MSG_IFUP, "tstorm_config: 0x%08x\n",
E
Eliezer Tamir 已提交
4640 4641
	   (*(u32 *)&tstorm_config)); */

E
Eliezer Tamir 已提交
4642
	bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
E
Eliezer Tamir 已提交
4643 4644
	bnx2x_set_storm_rx_mode(bp);

4645
	stats_flags.collect_eth = 1;
E
Eliezer Tamir 已提交
4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661

	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port),
	       ((u32 *)&stats_flags)[0]);
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port) + 4,
	       ((u32 *)&stats_flags)[1]);

	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port),
	       ((u32 *)&stats_flags)[0]);
	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port) + 4,
	       ((u32 *)&stats_flags)[1]);

	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port),
	       ((u32 *)&stats_flags)[0]);
	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port) + 4,
	       ((u32 *)&stats_flags)[1]);

4662
/*	DP(NETIF_MSG_IFUP, "stats_flags: 0x%08x 0x%08x\n",
E
Eliezer Tamir 已提交
4663
	   ((u32 *)&stats_flags)[0], ((u32 *)&stats_flags)[1]); */
4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674

	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));

4675 4676
		REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
			 bp->e1hov);
4677 4678 4679 4680 4681 4682 4683
	}

	/* Zero this manualy 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 + 4*i, 0);
4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702

	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];
		u16 max_agg_size;

		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));

		max_agg_size = min((u32)(bp->rx_buf_use_size +
					 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
				   (u32)0xffff);
		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
4703 4704 4705 4706 4707 4708 4709 4710 4711
}

static void bnx2x_nic_init(struct bnx2x *bp)
{
	int i;

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

4712
		fp->bp = bp;
E
Eliezer Tamir 已提交
4713 4714
		fp->state = BNX2X_FP_STATE_CLOSED;
		fp->index = i;
4715 4716 4717 4718 4719 4720 4721
		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
4722 4723 4724
	}

	bnx2x_init_def_sb(bp, bp->def_status_blk,
4725
			  bp->def_status_blk_mapping, DEF_SB_ID);
E
Eliezer Tamir 已提交
4726 4727 4728 4729 4730 4731
	bnx2x_update_coalesce(bp);
	bnx2x_init_rx_rings(bp);
	bnx2x_init_tx_ring(bp);
	bnx2x_init_sp_ring(bp);
	bnx2x_init_context(bp);
	bnx2x_init_internal(bp);
Y
Yitchak Gertner 已提交
4732
	bnx2x_storm_stats_init(bp);
E
Eliezer Tamir 已提交
4733
	bnx2x_init_ind_table(bp);
E
Eliezer Tamir 已提交
4734
	bnx2x_int_enable(bp);
E
Eliezer Tamir 已提交
4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771
}

/* 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"
4772
	       " un-compression\n", bp->dev->name);
E
Eliezer Tamir 已提交
4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799
	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;

4800
#define FNAME				0x8
E
Eliezer Tamir 已提交
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 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836

	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 */

/*
4837
 * General service functions
E
Eliezer Tamir 已提交
4838 4839 4840 4841 4842 4843 4844 4845 4846 4847
 */

/* 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;
4848
	wb_write[2] = 0x20;		/* SOP */
E
Eliezer Tamir 已提交
4849 4850 4851 4852 4853
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);

	/* NON-IP protocol */
	wb_write[0] = 0x09000000;
	wb_write[1] = 0x55555555;
4854
	wb_write[2] = 0x10;		/* EOP, eop_bvalid = 0 */
E
Eliezer Tamir 已提交
4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867
	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;

4868
	if (CHIP_REV_IS_FPGA(bp))
E
Eliezer Tamir 已提交
4869
		factor = 120;
4870 4871 4872
	else if (CHIP_REV_IS_EMUL(bp))
		factor = 200;
	else
E
Eliezer Tamir 已提交
4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892
		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) {
4893

E
Eliezer Tamir 已提交
4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922
		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 */
4923
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
E
Eliezer Tamir 已提交
4924
	msleep(50);
4925
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
E
Eliezer Tamir 已提交
4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948
	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) {
4949

E
Eliezer Tamir 已提交
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 4978 4979 4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020
		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);
5021 5022
/*	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
5023 5024 5025
	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);
5026 5027
/*	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
5028 5029 5030 5031
	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);
5032 5033 5034 5035 5036 5037
/*	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
5038 5039 5040
	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);
5041 5042
/*	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
5043 5044
	REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
	REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5045 5046
/*	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
5047 5048
}

5049 5050

static int bnx2x_init_common(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5051 5052 5053
{
	u32 val, i;

5054
	DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_FUNC(bp));
E
Eliezer Tamir 已提交
5055

5056 5057
	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
5058

5059 5060 5061
	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
5062

5063 5064 5065
	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
5066

5067 5068 5069 5070 5071 5072
	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
5073

5074 5075
	bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
	bnx2x_init_pxp(bp);
E
Eliezer Tamir 已提交
5076 5077

#ifdef __BIG_ENDIAN
5078 5079 5080 5081 5082 5083 5084 5085 5086 5087 5088 5089
	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
Eliezer Tamir 已提交
5090 5091 5092 5093 5094 5095 5096
#endif

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

5097
	REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
E
Eliezer Tamir 已提交
5098
#ifdef BCM_ISCSI
5099 5100 5101
	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
5102 5103
#endif

5104 5105
	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
5106

5107 5108 5109 5110 5111 5112 5113 5114 5115 5116 5117 5118 5119
	/* 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
5120

5121 5122
	REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
	REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
E
Eliezer Tamir 已提交
5123

5124
	bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
E
Eliezer Tamir 已提交
5125

5126 5127 5128
	/* clean the DMAE memory */
	bp->dmae_ready = 1;
	bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
E
Eliezer Tamir 已提交
5129

5130 5131 5132 5133
	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
5134

5135 5136 5137 5138 5139 5140 5141 5142 5143
	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
5144 5145

#ifdef BCM_ISCSI
5146
	bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
E
Eliezer Tamir 已提交
5147 5148
#endif

5149 5150 5151 5152 5153 5154
	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
5155

5156 5157 5158 5159 5160 5161 5162 5163
	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
5164

5165 5166 5167
	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
5168

5169 5170 5171 5172
	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
5173

5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193 5194 5195
	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 */
5196 5197 5198 5199 5200 5201 5202 5203
		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);
5204
	}
E
Eliezer Tamir 已提交
5205

5206 5207 5208 5209
	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
5210

5211 5212 5213 5214 5215
	/* 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
5216

5217 5218 5219
	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
5220

5221 5222 5223 5224 5225 5226 5227 5228
	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
5229

5230 5231 5232 5233
	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
5234

5235 5236 5237 5238 5239 5240 5241 5242
	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
5243

5244 5245
	bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
	REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
E
Eliezer Tamir 已提交
5246

5247 5248
	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
5249

5250 5251 5252 5253
	/* 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
5254

5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285
	/* 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
5286

5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306
	/* 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
5307
					MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5308
		REG_WR(bp, MISC_REG_SPIO_INT, val);
E
Eliezer Tamir 已提交
5309

5310 5311 5312 5313 5314
		/* 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
5315

5316 5317 5318
	default:
		break;
	}
E
Eliezer Tamir 已提交
5319

5320 5321
	/* clear PXP2 attentions */
	REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
E
Eliezer Tamir 已提交
5322

5323
	enable_blocks_attention(bp);
E
Eliezer Tamir 已提交
5324

5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335
	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]);
	}

5336 5337
	return 0;
}
E
Eliezer Tamir 已提交
5338

5339 5340 5341 5342
static int bnx2x_init_port(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;
E
Eliezer Tamir 已提交
5343

5344 5345 5346
	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
5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374

	/* 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
5375
	/* Port CMs come here */
E
Eliezer Tamir 已提交
5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386

	/* 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 */
5387
	/* Port PRS comes here */
E
Eliezer Tamir 已提交
5388 5389 5390 5391
	/* Port TSDM comes here */
	/* Port CSDM comes here */
	/* Port USDM comes here */
	/* Port XSDM comes here */
5392 5393 5394 5395 5396 5397 5398 5399
	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
5400
	/* Port UPB comes here */
5401 5402 5403 5404
	/* 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
5405 5406

	/* configure PBF to work without PAUSE mtu 9000 */
5407
	REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
E
Eliezer Tamir 已提交
5408 5409

	/* update threshold */
5410
	REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
E
Eliezer Tamir 已提交
5411
	/* update init credit */
5412
	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
E
Eliezer Tamir 已提交
5413 5414

	/* probe changes */
5415
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
E
Eliezer Tamir 已提交
5416
	msleep(5);
5417
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
E
Eliezer Tamir 已提交
5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434

#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 */
5435 5436 5437 5438 5439 5440 5441 5442 5443

	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
5444
				    MISC_AEU_PORT0_START,
5445 5446 5447 5448 5449 5450 5451 5452
			     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
5453 5454 5455 5456 5457
	/* Port PXPCS comes here */
	/* Port EMAC0 comes here */
	/* Port EMAC1 comes here */
	/* Port DBU comes here */
	/* Port DBG comes here */
5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479 5480 5481
	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
5482 5483 5484
	/* Port MCP comes here */
	/* Port DMAE comes here */

5485
	switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
E
Eliezer Tamir 已提交
5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496
	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
5497
	bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
5498

5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567
	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
5568
	/* Reset PCIE errors for debug */
E
Eliezer Tamir 已提交
5569 5570 5571
	REG_WR(bp, 0x2114, 0xffffffff);
	REG_WR(bp, 0x2120, 0xffffffff);

5572 5573 5574 5575 5576 5577
	return 0;
}

static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
{
	int i, rc = 0;
E
Eliezer Tamir 已提交
5578

5579 5580
	DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
	   BP_FUNC(bp), load_code);
E
Eliezer Tamir 已提交
5581

5582 5583 5584
	bp->dmae_ready = 0;
	mutex_init(&bp->dmae_mutex);
	bnx2x_gunzip_init(bp);
E
Eliezer Tamir 已提交
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
	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
5614 5615

		bp->fw_drv_pulse_wr_seq =
5616
				(SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
E
Eliezer Tamir 已提交
5617
				 DRV_PULSE_SEQ_MASK);
5618 5619 5620 5621 5622
		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
5623

5624 5625 5626 5627 5628 5629 5630 5631 5632
	/* 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
5633 5634
}

E
Eliezer Tamir 已提交
5635
/* send the MCP a request, block until there is a reply */
E
Eliezer Tamir 已提交
5636 5637
static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
{
5638
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
5639 5640
	u32 seq = ++bp->fw_seq;
	u32 rc = 0;
E
Eliezer Tamir 已提交
5641

5642
	SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
E
Eliezer Tamir 已提交
5643
	DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
E
Eliezer Tamir 已提交
5644 5645 5646 5647 5648 5649 5650

	/* let the FW do it's magic ... */
	msleep(100); /* TBD */

	if (CHIP_REV_IS_SLOW(bp))
		msleep(900);

5651
	rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
E
Eliezer Tamir 已提交
5652 5653 5654 5655 5656
	DP(BNX2X_MSG_MCP, "read (%x) seq is (%x) from FW MB\n", rc, seq);

	/* 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
5657

E
Eliezer Tamir 已提交
5658 5659 5660 5661 5662 5663
	} else {
		/* FW BUG! */
		BNX2X_ERR("FW failed to respond!\n");
		bnx2x_fw_dump(bp);
		rc = 0;
	}
E
Eliezer Tamir 已提交
5664

E
Eliezer Tamir 已提交
5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 5710 5711 5712 5713 5714
	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);

5715 5716 5717 5718 5719
		/* SGE ring */
		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
Eliezer Tamir 已提交
5720 5721 5722
	/* end of fastpath */

	BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5723
		       sizeof(struct host_def_status_block));
E
Eliezer Tamir 已提交
5724 5725

	BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5726
		       sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5727 5728 5729 5730 5731 5732 5733

#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
5734
	BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
E
Eliezer Tamir 已提交
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 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795

#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);

5796 5797 5798 5799 5800 5801
		/* 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
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
	}
	/* 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
5829
	/* now fixup the last line in the block to point to the next block */
E
Eliezer Tamir 已提交
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 5857 5858 5859 5860 5861 5862 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 5890 5891
	*(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);
		}
5892 5893 5894
		if (!fp->disable_tpa)
			bnx2x_free_tpa_pool(bp, fp,
					    ETH_MAX_AGGREGATION_QUEUES_E1H);
E
Eliezer Tamir 已提交
5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905
	}
}

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)
{
5906
	int i, offset = 1;
E
Eliezer Tamir 已提交
5907 5908

	free_irq(bp->msix_table[0].vector, bp->dev);
E
Eliezer Tamir 已提交
5909
	DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
E
Eliezer Tamir 已提交
5910 5911 5912
	   bp->msix_table[0].vector);

	for_each_queue(bp, i) {
E
Eliezer Tamir 已提交
5913
		DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq  "
5914
		   "state %x\n", i, bp->msix_table[i + offset].vector,
E
Eliezer Tamir 已提交
5915 5916
		   bnx2x_fp(bp, i, state));

5917 5918 5919
		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
5920

5921
		free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
E
Eliezer Tamir 已提交
5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934 5935 5936 5937
	}
}

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)
{
5938
	int i, rc, offset;
E
Eliezer Tamir 已提交
5939 5940

	bp->msix_table[0].entry = 0;
5941 5942
	offset = 1;
	DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
E
Eliezer Tamir 已提交
5943

5944 5945
	for_each_queue(bp, i) {
		int igu_vec = offset + i + BP_L_ID(bp);
E
Eliezer Tamir 已提交
5946

5947 5948 5949
		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
5950 5951
	}

5952 5953 5954 5955 5956 5957
	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
5958 5959 5960 5961 5962 5963 5964
	bp->flags |= USING_MSIX_FLAG;

	return 0;
}

static int bnx2x_req_msix_irqs(struct bnx2x *bp)
{
5965
	int i, rc, offset = 1;
E
Eliezer Tamir 已提交
5966 5967 5968 5969 5970 5971 5972 5973 5974

	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) {
5975
		rc = request_irq(bp->msix_table[i + offset].vector,
E
Eliezer Tamir 已提交
5976 5977 5978
				 bnx2x_msix_fp_int, 0,
				 bp->dev->name, &bp->fp[i]);
		if (rc) {
5979 5980
			BNX2X_ERR("request fp #%d irq failed  rc %d\n",
				  i + offset, rc);
E
Eliezer Tamir 已提交
5981 5982 5983 5984 5985 5986 5987 5988 5989 5990 5991 5992
			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)
{
5993
	int rc;
E
Eliezer Tamir 已提交
5994

5995 5996
	rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
			 bp->dev->name, bp->dev);
E
Eliezer Tamir 已提交
5997 5998 5999 6000 6001 6002 6003 6004 6005 6006
	if (!rc)
		bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;

	return rc;
}

/*
 * Init service functions
 */

6007
static void bnx2x_set_mac_addr_e1(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6008 6009
{
	struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6010
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6011 6012 6013 6014 6015 6016

	/* CAM allocation
	 * unicasts 0-31:port0 32-63:port1
	 * multicast 64-127:port0 128-191:port1
	 */
	config->hdr.length_6b = 2;
6017 6018
	config->hdr.offset = port ? 31 : 0;
	config->hdr.client_id = BP_CL_ID(bp);
E
Eliezer Tamir 已提交
6019 6020 6021 6022 6023 6024 6025 6026 6027
	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]);
6028
	config->config_table[0].cam_entry.flags = cpu_to_le16(port);
E
Eliezer Tamir 已提交
6029 6030 6031 6032 6033 6034 6035 6036 6037 6038 6039 6040 6041
	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;
6042
	config->config_table[1].cam_entry.flags = cpu_to_le16(port);
E
Eliezer Tamir 已提交
6043 6044 6045 6046 6047 6048 6049 6050 6051 6052
	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);
}

6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067 6068 6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082 6083 6084 6085 6086 6087 6088 6089 6090 6091 6092 6093
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
6094 6095 6096 6097
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 */
6098
	int cnt = 500;
E
Eliezer Tamir 已提交
6099

E
Eliezer Tamir 已提交
6100 6101
	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
6102 6103

	might_sleep();
6104
	while (cnt--) {
E
Eliezer Tamir 已提交
6105 6106
		if (poll) {
			bnx2x_rx_int(bp->fp, 10);
6107 6108
			/* if index is different from 0
			 * the reply for some commands will
E
Eliezer Tamir 已提交
6109 6110 6111 6112 6113
			 * be on the none default queue
			 */
			if (idx)
				bnx2x_rx_int(&bp->fp[idx], 10);
		}
6114
		mb(); /* state is changed by bnx2x_sp_event() */
E
Eliezer Tamir 已提交
6115

6116
		if (*state_p == state)
E
Eliezer Tamir 已提交
6117 6118 6119 6120 6121 6122
			return 0;

		msleep(1);
	}

	/* timeout! */
6123 6124
	BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
		  poll ? "polling" : "waiting", state, idx);
6125 6126 6127
#ifdef BNX2X_STOP_ON_ERROR
	bnx2x_panic();
#endif
E
Eliezer Tamir 已提交
6128

6129
	return -EBUSY;
E
Eliezer Tamir 已提交
6130 6131 6132 6133
}

static int bnx2x_setup_leading(struct bnx2x *bp)
{
6134
	int rc;
E
Eliezer Tamir 已提交
6135

E
Eliezer Tamir 已提交
6136
	/* reset IGU state */
6137
	bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6138 6139 6140 6141

	/* SETUP ramrod */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);

6142 6143
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
E
Eliezer Tamir 已提交
6144

6145
	return rc;
E
Eliezer Tamir 已提交
6146 6147 6148 6149 6150
}

static int bnx2x_setup_multi(struct bnx2x *bp, int index)
{
	/* reset IGU state */
6151
	bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6152

6153
	/* SETUP ramrod */
E
Eliezer Tamir 已提交
6154 6155 6156 6157 6158
	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,
6159
				 &(bp->fp[index].state), 0);
E
Eliezer Tamir 已提交
6160 6161 6162 6163 6164
}

static int bnx2x_poll(struct napi_struct *napi, int budget);
static void bnx2x_set_rx_mode(struct net_device *dev);

6165 6166
/* must be called with rtnl_lock */
static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
E
Eliezer Tamir 已提交
6167
{
6168
	u32 load_code;
6169 6170 6171 6172 6173 6174
	int i, rc;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return -EPERM;
#endif
E
Eliezer Tamir 已提交
6175 6176 6177

	bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;

6178 6179 6180 6181
	/* 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
6182
	*/
6183
	if (!BP_NOMCP(bp)) {
6184 6185 6186 6187 6188
		load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
		if (!load_code) {
			BNX2X_ERR("MCP response failure, unloading\n");
			return -EBUSY;
		}
6189
		if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
E
Eliezer Tamir 已提交
6190
			return -EBUSY; /* other port in diagnostic mode */
6191

E
Eliezer Tamir 已提交
6192
	} else {
6193 6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204
		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]++;
		load_count[1 + BP_PORT(bp)]++;
		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;
		else if (load_count[1 + BP_PORT(bp)] == 1)
			load_code = FW_MSG_CODE_DRV_LOAD_PORT;
		else
			load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
E
Eliezer Tamir 已提交
6205 6206
	}

6207 6208 6209 6210 6211 6212 6213 6214 6215
	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
6216 6217
	 * and fallback to inta with one fp
	 */
6218 6219 6220 6221 6222 6223 6224 6225 6226 6227 6228 6229
	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
6230
			bp->num_queues = 1;
6231 6232 6233 6234 6235 6236 6237

		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
6238 6239
		}
	}
6240 6241
	DP(NETIF_MSG_IFUP,
	   "set number of queues to %d\n", bp->num_queues);
E
Eliezer Tamir 已提交
6242

E
Eliezer Tamir 已提交
6243 6244 6245
	if (bnx2x_alloc_mem(bp))
		return -ENOMEM;

6246 6247 6248 6249
	for_each_queue(bp, i)
		bnx2x_fp(bp, i, disable_tpa) =
					((bp->flags & TPA_ENABLE_FLAG) == 0);

6250 6251
	/* Disable interrupt handling until HW is initialized */
	atomic_set(&bp->intr_sem, 1);
E
Eliezer Tamir 已提交
6252

6253 6254 6255 6256 6257 6258 6259 6260 6261 6262 6263 6264
	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
6265 6266 6267 6268 6269 6270 6271 6272
		}
	}

	for_each_queue(bp, i)
		netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
			       bnx2x_poll, 128);

	/* Initialize HW */
6273 6274
	rc = bnx2x_init_hw(bp, load_code);
	if (rc) {
E
Eliezer Tamir 已提交
6275
		BNX2X_ERR("HW init failed, aborting\n");
6276
		goto load_error;
E
Eliezer Tamir 已提交
6277 6278
	}

6279
	/* Enable interrupt handling */
E
Eliezer Tamir 已提交
6280 6281 6282 6283 6284 6285
	atomic_set(&bp->intr_sem, 0);

	/* Setup NIC internals and enable interrupts */
	bnx2x_nic_init(bp);

	/* Send LOAD_DONE command to MCP */
6286
	if (!BP_NOMCP(bp)) {
6287 6288
		load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
		if (!load_code) {
E
Eliezer Tamir 已提交
6289
			BNX2X_ERR("MCP response failure, unloading\n");
6290
			rc = -EBUSY;
6291
			goto load_int_disable;
E
Eliezer Tamir 已提交
6292 6293 6294
		}
	}

Y
Yitchak Gertner 已提交
6295 6296
	bnx2x_stats_init(bp);

E
Eliezer Tamir 已提交
6297 6298 6299 6300 6301 6302 6303
	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));

6304 6305 6306 6307 6308
	rc = bnx2x_setup_leading(bp);
	if (rc) {
#ifdef BNX2X_STOP_ON_ERROR
		bp->panic = 1;
#endif
6309
		goto load_stop_netif;
6310
	}
E
Eliezer Tamir 已提交
6311

6312 6313 6314 6315 6316
	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
6317

6318 6319 6320 6321 6322 6323
	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
6324

6325 6326 6327 6328 6329 6330 6331
	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
6332 6333

	/* Start fast path */
6334 6335 6336 6337 6338 6339 6340 6341 6342
	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:
		/* IRQ is only requested from bnx2x_open */
E
Eliezer Tamir 已提交
6343
		netif_start_queue(bp->dev);
6344
		bnx2x_set_rx_mode(bp->dev);
E
Eliezer Tamir 已提交
6345 6346 6347
		if (bp->flags & USING_MSIX_FLAG)
			printk(KERN_INFO PFX "%s: using MSI-X\n",
			       bp->dev->name);
6348
		break;
E
Eliezer Tamir 已提交
6349

6350
	case LOAD_DIAG:
E
Eliezer Tamir 已提交
6351
		bnx2x_set_rx_mode(bp->dev);
6352 6353 6354 6355 6356
		bp->state = BNX2X_STATE_DIAG;
		break;

	default:
		break;
E
Eliezer Tamir 已提交
6357 6358
	}

6359 6360 6361
	if (!bp->port.pmf)
		bnx2x__link_status_update(bp);

E
Eliezer Tamir 已提交
6362 6363 6364
	/* start the timer */
	mod_timer(&bp->timer, jiffies + bp->current_interval);

6365

E
Eliezer Tamir 已提交
6366 6367
	return 0;

6368
load_stop_netif:
E
Eliezer Tamir 已提交
6369 6370 6371
	for_each_queue(bp, i)
		napi_disable(&bnx2x_fp(bp, i, napi));

6372
load_int_disable:
E
Eliezer Tamir 已提交
6373
	bnx2x_int_disable_sync(bp);
E
Eliezer Tamir 已提交
6374

6375
	/* Release IRQs */
E
Eliezer Tamir 已提交
6376 6377
	bnx2x_free_irq(bp);

6378 6379 6380 6381 6382
	/* 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);
6383
load_error:
E
Eliezer Tamir 已提交
6384 6385 6386 6387
	bnx2x_free_mem(bp);

	/* TBD we really need to reset the chip
	   if we want to recover from this */
6388
	return rc;
E
Eliezer Tamir 已提交
6389 6390 6391 6392 6393 6394
}

static int bnx2x_stop_multi(struct bnx2x *bp, int index)
{
	int rc;

E
Eliezer Tamir 已提交
6395
	/* halt the connection */
E
Eliezer Tamir 已提交
6396 6397 6398
	bp->fp[index].state = BNX2X_FP_STATE_HALTING;
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);

6399
	/* Wait for completion */
E
Eliezer Tamir 已提交
6400
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6401
			       &(bp->fp[index].state), 1);
E
Eliezer Tamir 已提交
6402
	if (rc) /* timeout */
E
Eliezer Tamir 已提交
6403 6404 6405 6406 6407
		return rc;

	/* delete cfc entry */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);

6408 6409 6410 6411
	/* 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
6412 6413 6414 6415
}

static void bnx2x_stop_leading(struct bnx2x *bp)
{
6416
	u16 dsb_sp_prod_idx;
E
Eliezer Tamir 已提交
6417
	/* if the other port is handling traffic,
E
Eliezer Tamir 已提交
6418
	   this can take a lot of time */
6419 6420
	int cnt = 500;
	int rc;
E
Eliezer Tamir 已提交
6421 6422 6423 6424 6425

	might_sleep();

	/* Send HALT ramrod */
	bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6426
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
E
Eliezer Tamir 已提交
6427

6428 6429 6430 6431
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
			       &(bp->fp[0].state), 1);
	if (rc) /* timeout */
E
Eliezer Tamir 已提交
6432 6433
		return;

6434
	dsb_sp_prod_idx = *bp->dsb_sp_prod;
E
Eliezer Tamir 已提交
6435

6436
	/* Send PORT_DELETE ramrod */
E
Eliezer Tamir 已提交
6437 6438
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);

6439
	/* Wait for completion to arrive on default status block
E
Eliezer Tamir 已提交
6440 6441 6442
	   we are going to reset the chip anyway
	   so there is not much to do if this times out
	 */
6443
	while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
6444
		msleep(1);
6445 6446 6447 6448 6449 6450 6451 6452 6453 6454
		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();
#endif
			break;
		}
		cnt--;
6455 6456 6457
	}
	bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
	bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
E
Eliezer Tamir 已提交
6458 6459
}

6460 6461 6462 6463 6464 6465 6466 6467 6468 6469 6470 6471 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531
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;
6532

6533 6534 6535 6536 6537 6538 6539 6540
	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
6541 6542
{
	u32 reset_code = 0;
6543
	int i, cnt;
E
Eliezer Tamir 已提交
6544 6545 6546

	bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;

6547 6548
	bp->rx_mode = BNX2X_RX_MODE_NONE;
	bnx2x_set_storm_rx_mode(bp);
E
Eliezer Tamir 已提交
6549

6550 6551 6552 6553 6554
	if (netif_running(bp->dev)) {
		netif_tx_disable(bp->dev);
		bp->dev->trans_start = jiffies;	/* prevent tx timeout */
	}

6555 6556 6557
	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
6558
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6559

6560 6561 6562 6563
	/* Wait until all fast path tasks complete */
	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574
#ifdef BNX2X_STOP_ON_ERROR
#ifdef __powerpc64__
		DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
#else
		DP(NETIF_MSG_IFDOWN, "fp->tpa_queue_used = 0x%llx\n",
#endif
		   fp->tpa_queue_used);
#endif
		cnt = 1000;
		smp_rmb();
		while (bnx2x_has_work(fp)) {
6575
			msleep(1);
6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588
			if (!cnt) {
				BNX2X_ERR("timeout waiting for queue[%d]\n",
					  i);
#ifdef BNX2X_STOP_ON_ERROR
				bnx2x_panic();
				return -EBUSY;
#else
				break;
#endif
			}
			cnt--;
			smp_rmb();
		}
6589
	}
E
Eliezer Tamir 已提交
6590

6591 6592 6593
	/* Wait until all slow path tasks complete */
	cnt = 1000;
	while ((bp->spq_left != MAX_SPQ_PENDING) && cnt--)
E
Eliezer Tamir 已提交
6594 6595
		msleep(1);

6596 6597 6598 6599
	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
6600

6601 6602 6603
	/* Release IRQs */
	bnx2x_free_irq(bp);

E
Eliezer Tamir 已提交
6604 6605
	if (bp->flags & NO_WOL_FLAG)
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6606

E
Eliezer Tamir 已提交
6607
	else if (bp->wol) {
6608
		u32 emac_base = BP_PORT(bp) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eliezer Tamir 已提交
6609
		u8 *mac_addr = bp->dev->dev_addr;
6610
		u32 val;
E
Eliezer Tamir 已提交
6611

6612 6613
		/* The mac address is written to entries 1-4 to
		   preserve entry 0 which is used by the PMF */
E
Eliezer Tamir 已提交
6614
		val = (mac_addr[0] << 8) | mac_addr[1];
6615
		EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + (BP_E1HVN(bp) + 1)*8, val);
E
Eliezer Tamir 已提交
6616 6617 6618

		val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
		      (mac_addr[4] << 8) | mac_addr[5];
6619 6620
		EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + (BP_E1HVN(bp) + 1)*8 + 4,
			val);
E
Eliezer Tamir 已提交
6621 6622

		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6623

E
Eliezer Tamir 已提交
6624 6625 6626
	} else
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

6627 6628
	/* Close multi and leading connections
	   Completions for ramrods are collected in a synchronous way */
E
Eliezer Tamir 已提交
6629 6630
	for_each_nondefault_queue(bp, i)
		if (bnx2x_stop_multi(bp, i))
6631
			goto unload_error;
E
Eliezer Tamir 已提交
6632

6633 6634 6635 6636 6637 6638 6639 6640 6641 6642 6643 6644
	if (CHIP_IS_E1H(bp))
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + BP_PORT(bp)*8, 0);

	bnx2x_stop_leading(bp);
#ifdef BNX2X_STOP_ON_ERROR
	/* If ramrod completion timed out - break here! */
	if (bp->panic) {
		BNX2X_ERR("Stop leading failed!\n");
		return -EBUSY;
	}
#endif

6645 6646
	if ((bp->state != BNX2X_STATE_CLOSING_WAIT4_UNLOAD) ||
	    (bp->fp[0].state != BNX2X_FP_STATE_CLOSED)) {
6647 6648
		DP(NETIF_MSG_IFDOWN, "failed to close leading properly!  "
		   "state 0x%x  fp[0].state 0x%x\n",
6649 6650 6651 6652
		   bp->state, bp->fp[0].state);
	}

unload_error:
6653
	if (!BP_NOMCP(bp))
6654
		reset_code = bnx2x_fw_command(bp, reset_code);
6655 6656 6657 6658 6659 6660 6661 6662 6663 6664 6665 6666 6667 6668
	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]--;
		load_count[1 + BP_PORT(bp)]--;
		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;
		else if (load_count[1 + BP_PORT(bp)] == 0)
			reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
		else
			reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
	}
E
Eliezer Tamir 已提交
6669

6670 6671 6672
	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
6673 6674

	/* Reset the chip */
6675
	bnx2x_reset_chip(bp, reset_code);
E
Eliezer Tamir 已提交
6676 6677

	/* Report UNLOAD_DONE to MCP */
6678
	if (!BP_NOMCP(bp))
E
Eliezer Tamir 已提交
6679 6680
		bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);

6681
	/* Free SKBs, SGEs, TPA pool and driver internals */
E
Eliezer Tamir 已提交
6682
	bnx2x_free_skbs(bp);
6683 6684 6685
	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
6686 6687 6688
	bnx2x_free_mem(bp);

	bp->state = BNX2X_STATE_CLOSED;
6689

E
Eliezer Tamir 已提交
6690 6691 6692 6693 6694
	netif_carrier_off(bp->dev);

	return 0;
}

6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717
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
6718 6719 6720 6721 6722 6723 6724 6725
/* end of nic load/unload */

/* ethtool_ops */

/*
 * Init service functions
 */

6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746 6747 6748 6749 6750 6751 6752 6753 6754 6755 6756 6757 6758 6759 6760 6761 6762 6763 6764 6765 6766 6767 6768 6769 6770 6771 6772 6773 6774 6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793 6794 6795 6796 6797 6798 6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856
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
		 */
		val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
		if (val == 0x7) {
			u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
			/* save our func and fw_seq */
			int func = BP_FUNC(bp);
			u16 fw_seq = bp->fw_seq;

			BNX2X_DEV_INFO("UNDI is active! reset device\n");

			/* try unload UNDI on port 0 */
			bp->func = 0;
			bp->fw_seq = (SHMEM_RD(bp,
					     func_mb[bp->func].drv_mb_header) &
				      DRV_MSG_SEQ_NUMBER_MASK);

			reset_code = bnx2x_fw_command(bp, reset_code);
			bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);

			/* if UNDI is loaded on the other port */
			if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {

				bp->func = 1;
				bp->fw_seq = (SHMEM_RD(bp,
					     func_mb[bp->func].drv_mb_header) &
					      DRV_MSG_SEQ_NUMBER_MASK);

				bnx2x_fw_command(bp,
					     DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS);
				bnx2x_fw_command(bp,
						 DRV_MSG_CODE_UNLOAD_DONE);

				/* restore our func and fw_seq */
				bp->func = func;
				bp->fw_seq = fw_seq;
			}

			/* reset device */
			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 __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
6857
{
6858
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6859 6860 6861 6862 6863 6864
	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
6865 6866
		ext_phy_type =
			SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
6867 6868 6869 6870 6871
		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);

6872 6873 6874 6875 6876 6877 6878 6879 6880 6881 6882
			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
6883 6884 6885 6886 6887 6888
			break;

		case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
				       ext_phy_type);

6889 6890 6891 6892 6893 6894 6895 6896 6897 6898
			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
6899 6900 6901 6902 6903
			break;

		default:
			BNX2X_ERR("NVRAM config error. "
				  "BAD SerDes ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
6904
				  bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
6905 6906 6907
			return;
		}

6908 6909 6910
		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
6911 6912 6913 6914 6915
		break;

	case SWITCH_CFG_10G:
		BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);

Y
Yaniv Rosner 已提交
6916 6917
		ext_phy_type =
			XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
6918 6919 6920 6921 6922
		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);

6923 6924 6925 6926 6927 6928 6929 6930 6931 6932 6933 6934
			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
6935 6936 6937
			break;

		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
E
Eliezer Tamir 已提交
6938
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
6939
				       ext_phy_type);
E
Eliezer Tamir 已提交
6940

6941 6942 6943 6944
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
6945 6946
			break;

E
Eliezer Tamir 已提交
6947
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
E
Eliezer Tamir 已提交
6948 6949 6950
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
				       ext_phy_type);

6951 6952 6953 6954 6955
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
6956 6957 6958 6959
			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
6960 6961
				       ext_phy_type);

6962 6963 6964 6965 6966 6967
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
6968 6969
			break;

Y
Yaniv Rosner 已提交
6970 6971 6972 6973
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
				       ext_phy_type);

6974 6975 6976 6977 6978 6979 6980
			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
6981 6982
			break;

E
Eliezer Tamir 已提交
6983 6984 6985 6986
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
				       ext_phy_type);

6987 6988 6989 6990 6991
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_TP |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
6992 6993
			break;

Y
Yaniv Rosner 已提交
6994 6995 6996 6997 6998
		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
6999 7000 7001
		default:
			BNX2X_ERR("NVRAM config error. "
				  "BAD XGXS ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
7002
				  bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7003 7004 7005
			return;
		}

7006 7007 7008
		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
7009 7010 7011 7012 7013

		break;

	default:
		BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7014
			  bp->port.link_config);
E
Eliezer Tamir 已提交
7015 7016
		return;
	}
7017
	bp->link_params.phy_addr = bp->port.phy_addr;
E
Eliezer Tamir 已提交
7018 7019

	/* mask what we support according to speed_cap_mask */
Y
Yaniv Rosner 已提交
7020 7021
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7022
		bp->port.supported &= ~SUPPORTED_10baseT_Half;
E
Eliezer Tamir 已提交
7023

Y
Yaniv Rosner 已提交
7024 7025
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7026
		bp->port.supported &= ~SUPPORTED_10baseT_Full;
E
Eliezer Tamir 已提交
7027

Y
Yaniv Rosner 已提交
7028 7029
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7030
		bp->port.supported &= ~SUPPORTED_100baseT_Half;
E
Eliezer Tamir 已提交
7031

Y
Yaniv Rosner 已提交
7032 7033
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7034
		bp->port.supported &= ~SUPPORTED_100baseT_Full;
E
Eliezer Tamir 已提交
7035

Y
Yaniv Rosner 已提交
7036 7037
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7038 7039
		bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
					SUPPORTED_1000baseT_Full);
E
Eliezer Tamir 已提交
7040

Y
Yaniv Rosner 已提交
7041 7042
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7043
		bp->port.supported &= ~SUPPORTED_2500baseX_Full;
E
Eliezer Tamir 已提交
7044

Y
Yaniv Rosner 已提交
7045 7046
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7047
		bp->port.supported &= ~SUPPORTED_10000baseT_Full;
E
Eliezer Tamir 已提交
7048

7049
	BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
E
Eliezer Tamir 已提交
7050 7051
}

7052
static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
E
Eliezer Tamir 已提交
7053
{
Y
Yaniv Rosner 已提交
7054
	bp->link_params.req_duplex = DUPLEX_FULL;
E
Eliezer Tamir 已提交
7055

7056
	switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
E
Eliezer Tamir 已提交
7057
	case PORT_FEATURE_LINK_SPEED_AUTO:
7058
		if (bp->port.supported & SUPPORTED_Autoneg) {
Y
Yaniv Rosner 已提交
7059
			bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7060
			bp->port.advertising = bp->port.supported;
E
Eliezer Tamir 已提交
7061
		} else {
Y
Yaniv Rosner 已提交
7062 7063 7064 7065 7066 7067 7068
			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
7069
				/* force 10G, no AN */
Y
Yaniv Rosner 已提交
7070
				bp->link_params.req_line_speed = SPEED_10000;
7071
				bp->port.advertising =
E
Eliezer Tamir 已提交
7072 7073 7074 7075 7076 7077 7078
						(ADVERTISED_10000baseT_Full |
						 ADVERTISED_FIBRE);
				break;
			}
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  Autoneg not supported\n",
7079
				  bp->port.link_config);
E
Eliezer Tamir 已提交
7080 7081 7082 7083 7084
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10M_FULL:
7085
		if (bp->port.supported & SUPPORTED_10baseT_Full) {
Y
Yaniv Rosner 已提交
7086
			bp->link_params.req_line_speed = SPEED_10;
7087 7088
			bp->port.advertising = (ADVERTISED_10baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7089 7090 7091 7092
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7093
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7094
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7095 7096 7097 7098 7099
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10M_HALF:
7100
		if (bp->port.supported & SUPPORTED_10baseT_Half) {
Y
Yaniv Rosner 已提交
7101 7102
			bp->link_params.req_line_speed = SPEED_10;
			bp->link_params.req_duplex = DUPLEX_HALF;
7103 7104
			bp->port.advertising = (ADVERTISED_10baseT_Half |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7105 7106 7107 7108
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7109
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7110
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7111 7112 7113 7114 7115
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_100M_FULL:
7116
		if (bp->port.supported & SUPPORTED_100baseT_Full) {
Y
Yaniv Rosner 已提交
7117
			bp->link_params.req_line_speed = SPEED_100;
7118 7119
			bp->port.advertising = (ADVERTISED_100baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7120 7121 7122 7123
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7124
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7125
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7126 7127 7128 7129 7130
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_100M_HALF:
7131
		if (bp->port.supported & SUPPORTED_100baseT_Half) {
Y
Yaniv Rosner 已提交
7132 7133
			bp->link_params.req_line_speed = SPEED_100;
			bp->link_params.req_duplex = DUPLEX_HALF;
7134 7135
			bp->port.advertising = (ADVERTISED_100baseT_Half |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7136 7137 7138 7139
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7140
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7141
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7142 7143 7144 7145 7146
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_1G:
7147
		if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Y
Yaniv Rosner 已提交
7148
			bp->link_params.req_line_speed = SPEED_1000;
7149 7150
			bp->port.advertising = (ADVERTISED_1000baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7151 7152 7153 7154
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7155
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7156
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7157 7158 7159 7160 7161
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_2_5G:
7162
		if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Y
Yaniv Rosner 已提交
7163
			bp->link_params.req_line_speed = SPEED_2500;
7164 7165
			bp->port.advertising = (ADVERTISED_2500baseX_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7166 7167 7168 7169
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7170
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7171
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7172 7173 7174 7175 7176 7177 7178
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10G_CX4:
	case PORT_FEATURE_LINK_SPEED_10G_KX4:
	case PORT_FEATURE_LINK_SPEED_10G_KR:
7179
		if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Y
Yaniv Rosner 已提交
7180
			bp->link_params.req_line_speed = SPEED_10000;
7181 7182
			bp->port.advertising = (ADVERTISED_10000baseT_Full |
						ADVERTISED_FIBRE);
E
Eliezer Tamir 已提交
7183 7184 7185 7186
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7187
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7188
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7189 7190 7191 7192 7193 7194 7195
			return;
		}
		break;

	default:
		BNX2X_ERR("NVRAM config error. "
			  "BAD link speed link_config 0x%x\n",
7196
			  bp->port.link_config);
Y
Yaniv Rosner 已提交
7197
		bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7198
		bp->port.advertising = bp->port.supported;
E
Eliezer Tamir 已提交
7199 7200 7201
		break;
	}

7202 7203
	bp->link_params.req_flow_ctrl = (bp->port.link_config &
					 PORT_FEATURE_FLOW_CONTROL_MASK);
Y
Yaniv Rosner 已提交
7204
	if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
7205
	    (!bp->port.supported & SUPPORTED_Autoneg))
Y
Yaniv Rosner 已提交
7206
		bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
E
Eliezer Tamir 已提交
7207

Y
Yaniv Rosner 已提交
7208
	BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d  req_flow_ctrl 0x%x"
E
Eliezer Tamir 已提交
7209
		       "  advertising 0x%x\n",
Y
Yaniv Rosner 已提交
7210 7211
		       bp->link_params.req_line_speed,
		       bp->link_params.req_duplex,
7212
		       bp->link_params.req_flow_ctrl, bp->port.advertising);
E
Eliezer Tamir 已提交
7213 7214
}

7215
static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
E
Eliezer Tamir 已提交
7216
{
7217 7218
	int port = BP_PORT(bp);
	u32 val, val2;
E
Eliezer Tamir 已提交
7219

Y
Yaniv Rosner 已提交
7220
	bp->link_params.bp = bp;
7221
	bp->link_params.port = port;
Y
Yaniv Rosner 已提交
7222 7223

	bp->link_params.serdes_config =
E
Eliezer Tamir 已提交
7224
		SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Y
Yaniv Rosner 已提交
7225
	bp->link_params.lane_config =
E
Eliezer Tamir 已提交
7226
		SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Y
Yaniv Rosner 已提交
7227
	bp->link_params.ext_phy_config =
E
Eliezer Tamir 已提交
7228 7229
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].external_phy_config);
Y
Yaniv Rosner 已提交
7230
	bp->link_params.speed_cap_mask =
E
Eliezer Tamir 已提交
7231 7232 7233
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask);

7234
	bp->port.link_config =
E
Eliezer Tamir 已提交
7235 7236
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);

7237 7238 7239
	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
7240 7241 7242
		       bp->link_params.serdes_config,
		       bp->link_params.lane_config,
		       bp->link_params.ext_phy_config,
7243
		       bp->link_params.speed_cap_mask, bp->port.link_config);
E
Eliezer Tamir 已提交
7244

7245
	bp->link_params.switch_cfg = (bp->port.link_config &
Y
Yaniv Rosner 已提交
7246 7247
				      PORT_FEATURE_CONNECTED_SWITCH_MASK);
	bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
E
Eliezer Tamir 已提交
7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258

	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
7259 7260
	memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
	memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7261 7262 7263 7264 7265 7266 7267
}

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
7268

7269
	bnx2x_get_common_hwinfo(bp);
E
Eliezer Tamir 已提交
7270

7271 7272 7273 7274 7275
	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
7276

7277 7278 7279 7280
		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
7281

7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292 7293 7294 7295
			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
7296

7297 7298 7299 7300 7301 7302 7303 7304 7305 7306 7307 7308 7309 7310 7311 7312 7313 7314 7315 7316 7317 7318 7319
	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
7320
		}
7321 7322

		return rc;
E
Eliezer Tamir 已提交
7323 7324
	}

7325 7326 7327 7328 7329 7330
	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
7331

7332 7333 7334 7335 7336 7337 7338 7339 7340 7341
	return rc;
}

static int __devinit bnx2x_init_bp(struct bnx2x *bp)
{
	int func = BP_FUNC(bp);
	int rc;

	if (nomcp)
		bp->flags |= NO_MCP_FLAG;
E
Eliezer Tamir 已提交
7342

7343
	mutex_init(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
7344

7345 7346 7347 7348 7349 7350 7351 7352 7353 7354 7355 7356 7357 7358 7359 7360
	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");

7361 7362 7363 7364 7365 7366 7367 7368 7369 7370
	/* 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;
	}


7371 7372 7373 7374 7375 7376 7377 7378 7379 7380 7381 7382 7383 7384 7385 7386 7387 7388 7389 7390
	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->stats_ticks = 1000000 & 0xffff00;

	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
7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402
}

/*
 * 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);

7403 7404
	cmd->supported = bp->port.supported;
	cmd->advertising = bp->port.advertising;
E
Eliezer Tamir 已提交
7405 7406

	if (netif_carrier_ok(dev)) {
Y
Yaniv Rosner 已提交
7407 7408
		cmd->speed = bp->link_vars.line_speed;
		cmd->duplex = bp->link_vars.duplex;
E
Eliezer Tamir 已提交
7409
	} else {
Y
Yaniv Rosner 已提交
7410 7411
		cmd->speed = bp->link_params.req_line_speed;
		cmd->duplex = bp->link_params.req_duplex;
E
Eliezer Tamir 已提交
7412
	}
7413 7414 7415 7416 7417 7418 7419 7420
	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
7421

Y
Yaniv Rosner 已提交
7422 7423 7424
	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
7425 7426 7427 7428 7429 7430

		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
7431
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
E
Eliezer Tamir 已提交
7432 7433 7434 7435 7436 7437 7438
			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
7439 7440 7441 7442 7443
		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
7444 7445
		default:
			DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
7446 7447
			   bp->link_params.ext_phy_config);
			break;
E
Eliezer Tamir 已提交
7448 7449
		}
	} else
E
Eliezer Tamir 已提交
7450 7451
		cmd->port = PORT_TP;

7452
	cmd->phy_address = bp->port.phy_addr;
E
Eliezer Tamir 已提交
7453 7454
	cmd->transceiver = XCVR_INTERNAL;

Y
Yaniv Rosner 已提交
7455
	if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
E
Eliezer Tamir 已提交
7456
		cmd->autoneg = AUTONEG_ENABLE;
E
Eliezer Tamir 已提交
7457
	else
E
Eliezer Tamir 已提交
7458 7459 7460 7461 7462 7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473 7474 7475 7476 7477 7478
		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;

7479 7480 7481
	if (IS_E1HMF(bp))
		return 0;

E
Eliezer Tamir 已提交
7482 7483 7484 7485 7486 7487 7488 7489 7490
	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) {
7491 7492
		if (!(bp->port.supported & SUPPORTED_Autoneg)) {
			DP(NETIF_MSG_LINK, "Autoneg not supported\n");
E
Eliezer Tamir 已提交
7493
			return -EINVAL;
E
Eliezer Tamir 已提交
7494
		}
E
Eliezer Tamir 已提交
7495 7496

		/* advertise the requested speed and duplex if supported */
7497
		cmd->advertising &= bp->port.supported;
E
Eliezer Tamir 已提交
7498

Y
Yaniv Rosner 已提交
7499 7500
		bp->link_params.req_line_speed = SPEED_AUTO_NEG;
		bp->link_params.req_duplex = DUPLEX_FULL;
7501 7502
		bp->port.advertising |= (ADVERTISED_Autoneg |
					 cmd->advertising);
E
Eliezer Tamir 已提交
7503 7504 7505 7506 7507 7508

	} else { /* forced speed */
		/* advertise the requested speed and duplex if supported */
		switch (cmd->speed) {
		case SPEED_10:
			if (cmd->duplex == DUPLEX_FULL) {
7509
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7510 7511 7512
				      SUPPORTED_10baseT_Full)) {
					DP(NETIF_MSG_LINK,
					   "10M full not supported\n");
E
Eliezer Tamir 已提交
7513
					return -EINVAL;
E
Eliezer Tamir 已提交
7514
				}
E
Eliezer Tamir 已提交
7515 7516 7517 7518

				advertising = (ADVERTISED_10baseT_Full |
					       ADVERTISED_TP);
			} else {
7519
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7520 7521 7522
				      SUPPORTED_10baseT_Half)) {
					DP(NETIF_MSG_LINK,
					   "10M half not supported\n");
E
Eliezer Tamir 已提交
7523
					return -EINVAL;
E
Eliezer Tamir 已提交
7524
				}
E
Eliezer Tamir 已提交
7525 7526 7527 7528 7529 7530 7531 7532

				advertising = (ADVERTISED_10baseT_Half |
					       ADVERTISED_TP);
			}
			break;

		case SPEED_100:
			if (cmd->duplex == DUPLEX_FULL) {
7533
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7534 7535 7536
						SUPPORTED_100baseT_Full)) {
					DP(NETIF_MSG_LINK,
					   "100M full not supported\n");
E
Eliezer Tamir 已提交
7537
					return -EINVAL;
E
Eliezer Tamir 已提交
7538
				}
E
Eliezer Tamir 已提交
7539 7540 7541 7542

				advertising = (ADVERTISED_100baseT_Full |
					       ADVERTISED_TP);
			} else {
7543
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7544 7545 7546
						SUPPORTED_100baseT_Half)) {
					DP(NETIF_MSG_LINK,
					   "100M half not supported\n");
E
Eliezer Tamir 已提交
7547
					return -EINVAL;
E
Eliezer Tamir 已提交
7548
				}
E
Eliezer Tamir 已提交
7549 7550 7551 7552 7553 7554 7555

				advertising = (ADVERTISED_100baseT_Half |
					       ADVERTISED_TP);
			}
			break;

		case SPEED_1000:
E
Eliezer Tamir 已提交
7556 7557
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK, "1G half not supported\n");
E
Eliezer Tamir 已提交
7558
				return -EINVAL;
E
Eliezer Tamir 已提交
7559
			}
E
Eliezer Tamir 已提交
7560

7561
			if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
E
Eliezer Tamir 已提交
7562
				DP(NETIF_MSG_LINK, "1G full not supported\n");
E
Eliezer Tamir 已提交
7563
				return -EINVAL;
E
Eliezer Tamir 已提交
7564
			}
E
Eliezer Tamir 已提交
7565 7566 7567 7568 7569 7570

			advertising = (ADVERTISED_1000baseT_Full |
				       ADVERTISED_TP);
			break;

		case SPEED_2500:
E
Eliezer Tamir 已提交
7571 7572 7573
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK,
				   "2.5G half not supported\n");
E
Eliezer Tamir 已提交
7574
				return -EINVAL;
E
Eliezer Tamir 已提交
7575
			}
E
Eliezer Tamir 已提交
7576

7577
			if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
E
Eliezer Tamir 已提交
7578 7579
				DP(NETIF_MSG_LINK,
				   "2.5G full not supported\n");
E
Eliezer Tamir 已提交
7580
				return -EINVAL;
E
Eliezer Tamir 已提交
7581
			}
E
Eliezer Tamir 已提交
7582

E
Eliezer Tamir 已提交
7583
			advertising = (ADVERTISED_2500baseX_Full |
E
Eliezer Tamir 已提交
7584 7585 7586 7587
				       ADVERTISED_TP);
			break;

		case SPEED_10000:
E
Eliezer Tamir 已提交
7588 7589
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK, "10G half not supported\n");
E
Eliezer Tamir 已提交
7590
				return -EINVAL;
E
Eliezer Tamir 已提交
7591
			}
E
Eliezer Tamir 已提交
7592

7593
			if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
E
Eliezer Tamir 已提交
7594
				DP(NETIF_MSG_LINK, "10G full not supported\n");
E
Eliezer Tamir 已提交
7595
				return -EINVAL;
E
Eliezer Tamir 已提交
7596
			}
E
Eliezer Tamir 已提交
7597 7598 7599 7600 7601 7602

			advertising = (ADVERTISED_10000baseT_Full |
				       ADVERTISED_FIBRE);
			break;

		default:
E
Eliezer Tamir 已提交
7603
			DP(NETIF_MSG_LINK, "Unsupported speed\n");
E
Eliezer Tamir 已提交
7604 7605 7606
			return -EINVAL;
		}

Y
Yaniv Rosner 已提交
7607 7608
		bp->link_params.req_line_speed = cmd->speed;
		bp->link_params.req_duplex = cmd->duplex;
7609
		bp->port.advertising = advertising;
E
Eliezer Tamir 已提交
7610 7611
	}

Y
Yaniv Rosner 已提交
7612
	DP(NETIF_MSG_LINK, "req_line_speed %d\n"
E
Eliezer Tamir 已提交
7613
	   DP_LEVEL "  req_duplex %d  advertising 0x%x\n",
Y
Yaniv Rosner 已提交
7614
	   bp->link_params.req_line_speed, bp->link_params.req_duplex,
7615
	   bp->port.advertising);
E
Eliezer Tamir 已提交
7616

7617
	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
7618
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7619 7620
		bnx2x_link_set(bp);
	}
E
Eliezer Tamir 已提交
7621 7622 7623 7624

	return 0;
}

Y
Yaniv Rosner 已提交
7625 7626
#define PHY_FW_VER_LEN			10

E
Eliezer Tamir 已提交
7627 7628 7629 7630
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
7631
	char phy_fw_ver[PHY_FW_VER_LEN];
E
Eliezer Tamir 已提交
7632 7633 7634

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
Y
Yaniv Rosner 已提交
7635 7636

	phy_fw_ver[0] = '\0';
7637 7638 7639 7640 7641 7642 7643
	if (bp->port.pmf) {
		bnx2x_phy_hw_lock(bp);
		bnx2x_get_ext_phy_fw_version(&bp->link_params,
					     (bp->state != BNX2X_STATE_CLOSED),
					     phy_fw_ver, PHY_FW_VER_LEN);
		bnx2x_phy_hw_unlock(bp);
	}
Y
Yaniv Rosner 已提交
7644 7645

	snprintf(info->fw_version, 32, "%d.%d.%d:%d BC:%x%s%s",
E
Eliezer Tamir 已提交
7646
		 BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION,
Y
Yaniv Rosner 已提交
7647
		 BCM_5710_FW_REVISION_VERSION,
7648
		 BCM_5710_FW_COMPILE_FLAGS, bp->common.bc_ver,
Y
Yaniv Rosner 已提交
7649
		 ((phy_fw_ver[0] != '\0')? " PHY:":""), phy_fw_ver);
E
Eliezer Tamir 已提交
7650 7651 7652
	strcpy(info->bus_info, pci_name(bp->pdev));
	info->n_stats = BNX2X_NUM_STATS;
	info->testinfo_len = BNX2X_NUM_TESTS;
7653
	info->eedump_len = bp->common.flash_size;
E
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	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;
7686
	} else
E
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		bp->wol = 0;
7688

E
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	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);

7711 7712
	if (!bp->port.pmf)
		return 0;
E
Eliezer Tamir 已提交
7713

7714
	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
7715
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7716 7717
		bnx2x_link_set(bp);
	}
E
Eliezer Tamir 已提交
7718 7719 7720 7721 7722 7723 7724 7725

	return 0;
}

static int bnx2x_get_eeprom_len(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

7726
	return bp->common.flash_size;
E
Eliezer Tamir 已提交
7727 7728 7729 7730
}

static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
{
7731
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7732 7733 7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748 7749 7750 7751 7752
	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))) {
7753
		DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
E
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		return -EBUSY;
	}

	return 0;
}

static int bnx2x_release_nvram_lock(struct bnx2x *bp)
{
7762
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
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	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)) {
7784
		DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
E
Eliezer Tamir 已提交
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		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
7818
	int count, i, rc;
E
Eliezer Tamir 已提交
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	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)) {
7869
		DP(BNX2X_MSG_NVM,
E
Eliezer Tamir 已提交
7870
		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
E
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7871 7872 7873 7874
		   offset, buf_size);
		return -EINVAL;
	}

7875 7876
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
7877
				  " buf_size (0x%x) > flash_size (0x%x)\n",
7878
		   offset, buf_size, bp->common.flash_size);
E
Eliezer Tamir 已提交
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 7909 7910 7911 7912 7913 7914 7915 7916 7917 7918 7919 7920 7921
		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;

7922
	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
E
Eliezer Tamir 已提交
7923 7924 7925 7926 7927 7928 7929 7930 7931 7932 7933 7934 7935 7936
	   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
7937
	int count, i, rc;
E
Eliezer Tamir 已提交
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	/* 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
7974
#define BYTE_OFFSET(offset)		(8 * (offset & 0x03))
E
Eliezer Tamir 已提交
7975 7976 7977 7978 7979 7980 7981 7982 7983

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;

7984 7985
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
7986
				  " buf_size (0x%x) > flash_size (0x%x)\n",
7987
		   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);

	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;

8030
	if (buf_size == 1)	/* ethtool */
E
Eliezer Tamir 已提交
8031 8032 8033
		return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);

	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8034
		DP(BNX2X_MSG_NVM,
E
Eliezer Tamir 已提交
8035
		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
E
Eliezer Tamir 已提交
8036 8037 8038 8039
		   offset, buf_size);
		return -EINVAL;
	}

8040 8041
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
8042
				  " buf_size (0x%x) > flash_size (0x%x)\n",
8043
		   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;

8089
	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
E
Eliezer Tamir 已提交
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	   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
8096
	/* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8097 8098 8099 8100 8101 8102 8103 8104
	if (eeprom->magic == 0x00504859)
		if (bp->port.pmf) {

			bnx2x_phy_hw_lock(bp);
			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
8105 8106
			if ((bp->state == BNX2X_STATE_OPEN) ||
			    (bp->state == BNX2X_STATE_DISABLED)) {
8107 8108 8109 8110
				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
8111
			}
8112 8113 8114 8115 8116
			bnx2x_phy_hw_unlock(bp);

		} else /* Only the PMF can access the PHY */
			return -EINVAL;
	else
Y
Yaniv Rosner 已提交
8117
		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;
	coal->stats_block_coalesce_usecs = bp->stats_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;

	bp->stats_ticks = coal->stats_block_coalesce_usecs;
	if (bp->stats_ticks > 0xffff00)
		bp->stats_ticks = 0xffff00;
	bp->stats_ticks &= 0xffff00;

8154
	if (netif_running(dev))
E
Eliezer Tamir 已提交
8155 8156 8157 8158 8159
		bnx2x_update_coalesce(bp);

	return 0;
}

8160 8161 8162 8163 8164 8165 8166 8167 8168 8169 8170 8171 8172 8173 8174 8175 8176 8177 8178 8179 8180 8181 8182 8183 8184 8185 8186
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
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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);
8208
	int rc = 0;
E
Eliezer Tamir 已提交
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	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;

8218 8219 8220
	if (netif_running(dev)) {
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
E
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	}

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	return rc;
E
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}

static void bnx2x_get_pauseparam(struct net_device *dev,
				 struct ethtool_pauseparam *epause)
{
	struct bnx2x *bp = netdev_priv(dev);

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	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
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	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);

8249 8250 8251
	if (IS_E1HMF(bp))
		return 0;

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	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);

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	bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
E
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	if (epause->rx_pause)
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		bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;

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	if (epause->tx_pause)
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		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
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Y
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	if (epause->autoneg) {
8268
		if (!(bp->port.supported & SUPPORTED_Autoneg)) {
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			DP(NETIF_MSG_LINK, "Autoneg not supported\n");
			return -EINVAL;
		}
E
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		if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
			bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
	}
E
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	DP(NETIF_MSG_LINK,
	   "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8279 8280

	if (netif_running(dev)) {
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		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8282 8283
		bnx2x_link_set(bp);
	}
E
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	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)
{
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	if (data) {
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		dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
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		dev->features |= NETIF_F_TSO6;
	} else {
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		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
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		dev->features &= ~NETIF_F_TSO6;
	}

E
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	return 0;
}

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static const struct {
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	char string[ETH_GSTRING_LEN];
} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
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	{ "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
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};

static int bnx2x_self_test_count(struct net_device *dev)
{
	return BNX2X_NUM_TESTS;
}

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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;
		bnx2x_phy_hw_lock(bp);
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
		bnx2x_phy_hw_unlock(bp);

	} else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
		bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
		bnx2x_phy_hw_lock(bp);
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
		bnx2x_phy_hw_unlock(bp);
		/* 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
8764 8765 8766 8767 8768 8769 8770
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
8771
	if (!netif_running(dev))
E
Eliezer Tamir 已提交
8772 8773
		return;

Y
Yitchak Gertner 已提交
8774 8775 8776 8777 8778 8779 8780 8781 8782 8783 8784 8785 8786 8787 8788 8789 8790 8791 8792 8793 8794 8795 8796 8797
	/* 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
8798

Y
Yitchak Gertner 已提交
8799 8800 8801 8802 8803 8804 8805
		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
8806 8807
		etest->flags |= ETH_TEST_FL_FAILED;
	}
Y
Yitchak Gertner 已提交
8808 8809 8810 8811 8812 8813 8814 8815 8816 8817 8818 8819 8820 8821 8822 8823
	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
8824 8825
}

Y
Yitchak Gertner 已提交
8826 8827 8828 8829
static const struct {
	long offset;
	int size;
	u32 flags;
E
Eliezer Tamir 已提交
8830
	char string[ETH_GSTRING_LEN];
Y
Yitchak Gertner 已提交
8831 8832 8833 8834 8835 8836 8837 8838 8839 8840 8841 8842 8843 8844 8845 8846 8847 8848 8849 8850 8851 8852 8853 8854 8855 8856 8857 8858 8859 8860 8861 8862 8863 8864 8865 8866 8867 8868 8869 8870 8871 8872 8873 8874 8875 8876 8877 8878 8879 8880 8881 8882 8883 8884 8885 8886 8887 8888 8889 8890 8891 8892 8893 8894 8895 8896 8897
} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
/* 1 */	{ STATS_OFFSET32(valid_bytes_received_hi),     8, 1, "rx_bytes" },
	{ STATS_OFFSET32(error_bytes_received_hi),     8, 1, "rx_error_bytes" },
	{ STATS_OFFSET32(total_bytes_transmitted_hi),  8, 1, "tx_bytes" },
	{ STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi), 8, 0, "tx_error_bytes" },
	{ STATS_OFFSET32(total_unicast_packets_received_hi),
						8, 1, "rx_ucast_packets" },
	{ STATS_OFFSET32(total_multicast_packets_received_hi),
						8, 1, "rx_mcast_packets" },
	{ STATS_OFFSET32(total_broadcast_packets_received_hi),
						8, 1, "rx_bcast_packets" },
	{ STATS_OFFSET32(total_unicast_packets_transmitted_hi),
						8, 1, "tx_packets" },
	{ STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
						8, 0, "tx_mac_errors" },
/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
						8, 0, "tx_carrier_errors" },
	{ STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
						8, 0, "rx_crc_errors" },
	{ STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
						8, 0, "rx_align_errors" },
	{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
						8, 0, "tx_single_collisions" },
	{ STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
						8, 0, "tx_multi_collisions" },
	{ STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
						8, 0, "tx_deferred" },
	{ STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
						8, 0, "tx_excess_collisions" },
	{ STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
						8, 0, "tx_late_collisions" },
	{ STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
						8, 0, "tx_total_collisions" },
	{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
						8, 0, "rx_fragments" },
/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi), 8, 0, "rx_jabbers" },
	{ STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
						8, 0, "rx_undersize_packets" },
	{ STATS_OFFSET32(jabber_packets_received),
						4, 1, "rx_oversize_packets" },
	{ STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
						8, 0, "tx_64_byte_packets" },
	{ STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
					8, 0, "tx_65_to_127_byte_packets" },
	{ STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
					8, 0, "tx_128_to_255_byte_packets" },
	{ STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
					8, 0, "tx_256_to_511_byte_packets" },
	{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
					8, 0, "tx_512_to_1023_byte_packets" },
	{ STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
					8, 0, "tx_1024_to_1522_byte_packets" },
	{ STATS_OFFSET32(etherstatspktsover1522octets_hi),
					8, 0, "tx_1523_to_9022_byte_packets" },
/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
						8, 0, "rx_xon_frames" },
	{ STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
						8, 0, "rx_xoff_frames" },
	{ STATS_OFFSET32(tx_stat_outxonsent_hi),  8, 0, "tx_xon_frames" },
	{ STATS_OFFSET32(tx_stat_outxoffsent_hi), 8, 0, "tx_xoff_frames" },
	{ STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
						8, 0, "rx_mac_ctrl_frames" },
	{ STATS_OFFSET32(mac_filter_discard),   4, 1, "rx_filtered_packets" },
	{ STATS_OFFSET32(no_buff_discard),      4, 1, "rx_discards" },
	{ STATS_OFFSET32(xxoverflow_discard),   4, 1, "rx_fw_discards" },
	{ STATS_OFFSET32(brb_drop_hi),          8, 1, "brb_discard" },
/* 39 */{ STATS_OFFSET32(brb_truncate_discard), 8, 1, "brb_truncate" }
E
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8898 8899 8900 8901
};

static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
Y
Yitchak Gertner 已提交
8902 8903 8904
	struct bnx2x *bp = netdev_priv(dev);
	int i, j;

E
Eliezer Tamir 已提交
8905 8906
	switch (stringset) {
	case ETH_SS_STATS:
Y
Yitchak Gertner 已提交
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		for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
			if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
				continue;
			strcpy(buf + j*ETH_GSTRING_LEN,
			       bnx2x_stats_arr[i].string);
			j++;
		}
E
Eliezer Tamir 已提交
8914 8915 8916 8917 8918 8919 8920 8921 8922 8923
		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
8924 8925 8926 8927 8928 8929 8930 8931 8932
	struct bnx2x *bp = netdev_priv(dev);
	int i, num_stats = 0;

	for (i = 0; i < BNX2X_NUM_STATS; i++) {
		if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
			continue;
		num_stats++;
	}
	return num_stats;
E
Eliezer Tamir 已提交
8933 8934 8935 8936 8937 8938
}

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
8939 8940
	u32 *hw_stats = (u32 *)&bp->eth_stats;
	int i, j;
E
Eliezer Tamir 已提交
8941

Y
Yitchak Gertner 已提交
8942 8943
	for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
		if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
E
Eliezer Tamir 已提交
8944
			continue;
Y
Yitchak Gertner 已提交
8945 8946 8947 8948 8949

		if (bnx2x_stats_arr[i].size == 0) {
			/* skip this counter */
			buf[j] = 0;
			j++;
E
Eliezer Tamir 已提交
8950 8951
			continue;
		}
Y
Yitchak Gertner 已提交
8952
		if (bnx2x_stats_arr[i].size == 4) {
E
Eliezer Tamir 已提交
8953
			/* 4-byte counter */
Y
Yitchak Gertner 已提交
8954 8955
			buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
			j++;
E
Eliezer Tamir 已提交
8956 8957 8958
			continue;
		}
		/* 8-byte counter */
Y
Yitchak Gertner 已提交
8959 8960 8961
		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
8962 8963 8964 8965 8966 8967
	}
}

static int bnx2x_phys_id(struct net_device *dev, u32 data)
{
	struct bnx2x *bp = netdev_priv(dev);
8968
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
8969 8970
	int i;

8971 8972 8973 8974 8975 8976
	if (!netif_running(dev))
		return 0;

	if (!bp->port.pmf)
		return 0;

E
Eliezer Tamir 已提交
8977 8978 8979 8980
	if (data == 0)
		data = 2;

	for (i = 0; i < (data * 2); i++) {
Y
Yaniv Rosner 已提交
8981
		if ((i % 2) == 0)
8982
			bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Y
Yaniv Rosner 已提交
8983 8984 8985
				      bp->link_params.hw_led_mode,
				      bp->link_params.chip_id);
		else
8986
			bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Y
Yaniv Rosner 已提交
8987 8988 8989
				      bp->link_params.hw_led_mode,
				      bp->link_params.chip_id);

E
Eliezer Tamir 已提交
8990 8991 8992 8993 8994
		msleep_interruptible(500);
		if (signal_pending(current))
			break;
	}

Y
Yaniv Rosner 已提交
8995
	if (bp->link_vars.link_up)
8996
		bnx2x_set_led(bp, port, LED_MODE_OPER,
Y
Yaniv Rosner 已提交
8997 8998 8999
			      bp->link_vars.line_speed,
			      bp->link_params.hw_led_mode,
			      bp->link_params.chip_id);
E
Eliezer Tamir 已提交
9000 9001 9002 9003 9004

	return 0;
}

static struct ethtool_ops bnx2x_ethtool_ops = {
9005 9006 9007
	.get_settings		= bnx2x_get_settings,
	.set_settings		= bnx2x_set_settings,
	.get_drvinfo		= bnx2x_get_drvinfo,
E
Eliezer Tamir 已提交
9008 9009
	.get_wol		= bnx2x_get_wol,
	.set_wol		= bnx2x_set_wol,
9010 9011 9012 9013 9014 9015 9016 9017 9018 9019 9020 9021 9022 9023 9024 9025
	.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
9026
	.set_tx_csum		= ethtool_op_set_tx_hw_csum,
9027 9028 9029 9030
	.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
9031 9032 9033
	.get_tso		= ethtool_op_get_tso,
	.set_tso		= bnx2x_set_tso,
	.self_test_count	= bnx2x_self_test_count,
9034 9035
	.self_test		= bnx2x_self_test,
	.get_strings		= bnx2x_get_strings,
E
Eliezer Tamir 已提交
9036 9037
	.phys_id		= bnx2x_phys_id,
	.get_stats_count	= bnx2x_get_stats_count,
Y
Yitchak Gertner 已提交
9038
	.get_ethtool_stats	= bnx2x_get_ethtool_stats,
E
Eliezer Tamir 已提交
9039 9040 9041 9042 9043 9044 9045 9046 9047 9048 9049 9050 9051 9052 9053 9054
};

/* 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:
9055
		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
E
Eliezer Tamir 已提交
9056 9057 9058 9059 9060 9061
				      ((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);
9062
		break;
E
Eliezer Tamir 已提交
9063

9064 9065 9066
	case PCI_D3hot:
		pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
		pmcsr |= 3;
E
Eliezer Tamir 已提交
9067

9068 9069
		if (bp->wol)
			pmcsr |= PCI_PM_CTRL_PME_ENABLE;
E
Eliezer Tamir 已提交
9070

9071 9072
		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
				      pmcsr);
E
Eliezer Tamir 已提交
9073

9074 9075 9076 9077 9078 9079 9080 9081 9082
		/* 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
9083 9084
}

9085 9086 9087 9088
/*
 * net_device service functions
 */

E
Eliezer Tamir 已提交
9089 9090 9091 9092 9093 9094 9095 9096 9097
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))
9098
		goto poll_panic;
E
Eliezer Tamir 已提交
9099 9100 9101 9102 9103 9104 9105 9106
#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);

9107 9108
	if ((fp->tx_pkt_prod != le16_to_cpu(*fp->tx_cons_sb)) ||
	    (fp->tx_pkt_prod != fp->tx_pkt_cons))
E
Eliezer Tamir 已提交
9109 9110 9111 9112 9113 9114 9115 9116 9117 9118 9119
		bnx2x_tx_int(fp, budget);

	if (le16_to_cpu(*fp->rx_cons_sb) != fp->rx_comp_cons)
		work_done = bnx2x_rx_int(fp, budget);

	rmb(); /* bnx2x_has_work() reads the status block */

	/* must not complete if we consumed full budget */
	if ((work_done < budget) && !bnx2x_has_work(fp)) {

#ifdef BNX2X_STOP_ON_ERROR
9120
poll_panic:
E
Eliezer Tamir 已提交
9121 9122 9123
#endif
		netif_rx_complete(bp->dev, napi);

9124
		bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
E
Eliezer Tamir 已提交
9125
			     le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9126
		bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
E
Eliezer Tamir 已提交
9127 9128 9129 9130 9131
			     le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
	}
	return work_done;
}

E
Eilon Greenstein 已提交
9132 9133 9134 9135 9136 9137 9138 9139 9140 9141 9142 9143 9144 9145 9146 9147 9148 9149 9150 9151 9152 9153 9154 9155 9156 9157 9158 9159 9160 9161 9162 9163 9164 9165 9166 9167 9168 9169 9170 9171 9172 9173 9174 9175 9176 9177 9178 9179 9180 9181 9182 9183 9184 9185 9186 9187 9188 9189 9190 9191 9192 9193 9194 9195 9196 9197 9198 9199 9200 9201 9202 9203 9204 9205 9206 9207 9208 9209 9210 9211 9212 9213 9214 9215 9216 9217 9218 9219 9220 9221 9222 9223 9224 9225 9226 9227 9228 9229 9230 9231 9232 9233 9234 9235 9236 9237 9238 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

/* 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
9304
 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
E
Eilon Greenstein 已提交
9305
 * netif_wake_queue()
E
Eliezer Tamir 已提交
9306 9307 9308 9309 9310 9311 9312 9313 9314
 */
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
9315
	int nbd, fp_index;
E
Eliezer Tamir 已提交
9316
	dma_addr_t mapping;
E
Eilon Greenstein 已提交
9317 9318 9319 9320
	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
9321 9322 9323 9324 9325 9326

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

E
Eilon Greenstein 已提交
9327
	fp_index = (smp_processor_id() % bp->num_queues);
E
Eliezer Tamir 已提交
9328
	fp = &bp->fp[fp_index];
E
Eilon Greenstein 已提交
9329

E
Eliezer Tamir 已提交
9330 9331
	if (unlikely(bnx2x_tx_avail(bp->fp) <
					(skb_shinfo(skb)->nr_frags + 3))) {
Y
Yitchak Gertner 已提交
9332
		bp->eth_stats.driver_xoff++,
E
Eliezer Tamir 已提交
9333 9334 9335 9336 9337
		netif_stop_queue(dev);
		BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
		return NETDEV_TX_BUSY;
	}

E
Eilon Greenstein 已提交
9338 9339 9340 9341 9342 9343 9344 9345 9346 9347 9348 9349 9350 9351 9352 9353 9354 9355
	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);
			return 0;
		}
	}

E
Eliezer Tamir 已提交
9356
	/*
E
Eilon Greenstein 已提交
9357
	Please read carefully. First we use one BD which we mark as start,
E
Eliezer Tamir 已提交
9358
	then for TSO or xsum we have a parsing info BD,
E
Eilon Greenstein 已提交
9359
	and only then we have the rest of the TSO BDs.
E
Eliezer Tamir 已提交
9360 9361
	(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
9362
	And above all, all pdb sizes are in words - NOT DWORDS!
E
Eliezer Tamir 已提交
9363 9364 9365
	*/

	pkt_prod = fp->tx_pkt_prod++;
E
Eilon Greenstein 已提交
9366
	bd_prod = TX_BD(fp->tx_bd_prod);
E
Eliezer Tamir 已提交
9367

E
Eilon Greenstein 已提交
9368
	/* get a tx_buf and first BD */
E
Eliezer Tamir 已提交
9369 9370 9371 9372 9373 9374 9375 9376
	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
9377 9378 9379
	/* 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
9380 9381 9382 9383 9384

	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
9385 9386 9387 9388 9389 9390
	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
9391

E
Eilon Greenstein 已提交
9392
	if (xmit_type) {
E
Eliezer Tamir 已提交
9393

E
Eilon Greenstein 已提交
9394
		/* turn on parsing and get a BD */
E
Eliezer Tamir 已提交
9395 9396
		bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
		pbd = (void *)&fp->tx_desc_ring[bd_prod];
E
Eilon Greenstein 已提交
9397 9398 9399 9400 9401 9402

		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
9403 9404

		/* for now NS flag is not used in Linux */
E
Eilon Greenstein 已提交
9405
		pbd->global_data = (hlen |
E
Eliezer Tamir 已提交
9406
				    ((skb->protocol == ntohs(ETH_P_8021Q)) <<
E
Eliezer Tamir 已提交
9407 9408
				     ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));

E
Eilon Greenstein 已提交
9409 9410 9411 9412
		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
9413

E
Eilon Greenstein 已提交
9414 9415
		pbd->total_hlen = cpu_to_le16(hlen);
		hlen = hlen*2 - vlan_off;
E
Eliezer Tamir 已提交
9416

E
Eilon Greenstein 已提交
9417 9418 9419
		tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;

		if (xmit_type & XMIT_CSUM_V4)
E
Eliezer Tamir 已提交
9420
			tx_bd->bd_flags.as_bitfield |=
E
Eilon Greenstein 已提交
9421 9422 9423 9424 9425 9426 9427 9428 9429 9430
						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
9431
			pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
E
Eilon Greenstein 已提交
9432
			pbd->cs_offset = fix / 2;
E
Eliezer Tamir 已提交
9433

E
Eilon Greenstein 已提交
9434 9435 9436 9437 9438 9439 9440 9441 9442 9443 9444 9445 9446
			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
9447 9448 9449
	}

	mapping = pci_map_single(bp->pdev, skb->data,
E
Eilon Greenstein 已提交
9450
				 skb_headlen(skb), PCI_DMA_TODEVICE);
E
Eliezer Tamir 已提交
9451 9452 9453 9454 9455 9456 9457 9458

	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
9459 9460 9461 9462
	   "  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
9463

E
Eilon Greenstein 已提交
9464
	if (xmit_type & XMIT_GSO) {
E
Eliezer Tamir 已提交
9465 9466 9467 9468 9469 9470 9471 9472

		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
9473 9474 9475
		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
9476 9477 9478

		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
9479 9480 9481 9482 9483
		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
9484 9485 9486
				swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
							  ip_hdr(skb)->daddr,
							  0, IPPROTO_TCP, 0));
E
Eilon Greenstein 已提交
9487 9488 9489 9490 9491 9492 9493

		} 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
9494 9495 9496
		pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
	}

E
Eilon Greenstein 已提交
9497 9498
	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
9499

E
Eilon Greenstein 已提交
9500 9501
		bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
		tx_bd = &fp->tx_desc_ring[bd_prod];
E
Eliezer Tamir 已提交
9502

E
Eilon Greenstein 已提交
9503 9504
		mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
				       frag->size, PCI_DMA_TODEVICE);
E
Eliezer Tamir 已提交
9505

E
Eilon Greenstein 已提交
9506 9507 9508 9509 9510
		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
9511

E
Eilon Greenstein 已提交
9512 9513 9514 9515
		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
9516 9517
	}

E
Eilon Greenstein 已提交
9518
	/* now at last mark the BD as the last BD */
E
Eliezer Tamir 已提交
9519 9520 9521 9522 9523 9524 9525
	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
9526
	/* now send a tx doorbell, counting the next BD
E
Eliezer Tamir 已提交
9527 9528 9529 9530 9531 9532 9533 9534 9535 9536 9537
	 * 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
9538
		   pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
E
Eliezer Tamir 已提交
9539

E
Eilon Greenstein 已提交
9540
	DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d  bd %u\n", nbd, bd_prod);
E
Eliezer Tamir 已提交
9541

E
Eliezer Tamir 已提交
9542 9543
	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
9544
	mb(); /* FW restriction: must not reorder writing nbd and packets */
E
Eliezer Tamir 已提交
9545 9546
	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
9547
	DOORBELL(bp, FP_IDX(fp), 0);
E
Eliezer Tamir 已提交
9548 9549 9550

	mmiowb();

E
Eilon Greenstein 已提交
9551
	fp->tx_bd_prod += nbd;
E
Eliezer Tamir 已提交
9552 9553 9554 9555
	dev->trans_start = jiffies;

	if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
		netif_stop_queue(dev);
Y
Yitchak Gertner 已提交
9556
		bp->eth_stats.driver_xoff++;
E
Eliezer Tamir 已提交
9557 9558 9559 9560 9561 9562 9563 9564
		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
9565
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9566 9567 9568 9569 9570 9571
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
9572
	return bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
9573 9574
}

Y
Yitchak Gertner 已提交
9575
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9576 9577 9578 9579 9580
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
9581 9582 9583 9584
	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
9585 9586 9587 9588

	return 0;
}

9589 9590 9591 9592 9593 9594 9595 9596 9597 9598 9599 9600 9601 9602 9603 9604 9605 9606 9607 9608 9609 9610 9611 9612 9613 9614 9615 9616 9617 9618 9619 9620 9621 9622 9623 9624 9625 9626 9627 9628 9629 9630 9631 9632 9633 9634 9635 9636 9637 9638 9639 9640 9641 9642 9643 9644 9645 9646 9647 9648 9649 9650 9651 9652 9653 9654 9655 9656 9657 9658 9659 9660 9661 9662 9663 9664 9665 9666 9667 9668 9669 9670 9671 9672 9673 9674 9675 9676 9677 9678 9679 9680 9681 9682 9683 9684 9685 9686 9687 9688 9689 9690 9691 9692 9693 9694 9695 9696 9697 9698 9699 9700 9701 9702 9703 9704 9705 9706 9707 9708 9709 9710 9711 9712
/* 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
9713 9714 9715 9716 9717
static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
{
	struct sockaddr *addr = p;
	struct bnx2x *bp = netdev_priv(dev);

9718
	if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
E
Eliezer Tamir 已提交
9719 9720 9721
		return -EINVAL;

	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9722 9723 9724 9725 9726 9727
	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
9728 9729 9730 9731

	return 0;
}

Y
Yaniv Rosner 已提交
9732
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9733 9734 9735 9736 9737 9738 9739 9740
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:
9741
		data->phy_id = bp->port.phy_addr;
E
Eliezer Tamir 已提交
9742

E
Eliezer Tamir 已提交
9743
		/* fallthrough */
Y
Yaniv Rosner 已提交
9744

E
Eliezer Tamir 已提交
9745
	case SIOCGMIIREG: {
Y
Yaniv Rosner 已提交
9746
		u16 mii_regval;
E
Eliezer Tamir 已提交
9747

Y
Yaniv Rosner 已提交
9748 9749
		if (!netif_running(dev))
			return -EAGAIN;
E
Eliezer Tamir 已提交
9750

9751 9752
		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
9753 9754 9755
				      DEFAULT_PHY_DEV_ADDR,
				      (data->reg_num & 0x1f), &mii_regval);
		data->val_out = mii_regval;
9756
		mutex_unlock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
9757 9758 9759 9760 9761 9762 9763
		return err;
	}

	case SIOCSMIIREG:
		if (!capable(CAP_NET_ADMIN))
			return -EPERM;

Y
Yaniv Rosner 已提交
9764 9765 9766
		if (!netif_running(dev))
			return -EAGAIN;

9767 9768
		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
9769 9770
				       DEFAULT_PHY_DEV_ADDR,
				       (data->reg_num & 0x1f), data->val_in);
9771
		mutex_unlock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
9772 9773 9774 9775 9776 9777 9778 9779 9780 9781
		return err;

	default:
		/* do nothing */
		break;
	}

	return -EOPNOTSUPP;
}

9782
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9783 9784 9785
static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
{
	struct bnx2x *bp = netdev_priv(dev);
9786
	int rc = 0;
E
Eliezer Tamir 已提交
9787 9788 9789 9790 9791 9792

	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
9793
	 * because the actual alloc size is
E
Eliezer Tamir 已提交
9794 9795 9796 9797 9798
	 * only updated as part of load
	 */
	dev->mtu = new_mtu;

	if (netif_running(dev)) {
9799 9800
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
E
Eliezer Tamir 已提交
9801
	}
9802 9803

	return rc;
E
Eliezer Tamir 已提交
9804 9805 9806 9807 9808 9809 9810 9811 9812 9813 9814 9815 9816 9817 9818
}

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
9819
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9820 9821 9822 9823 9824 9825 9826
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))
9827
		bnx2x_set_client_config(bp);
E
Eliezer Tamir 已提交
9828
}
9829

E
Eliezer Tamir 已提交
9830 9831 9832 9833 9834 9835 9836 9837 9838 9839 9840 9841 9842
#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

9843 9844
static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
				    struct net_device *dev)
E
Eliezer Tamir 已提交
9845 9846 9847 9848 9849 9850 9851
{
	struct bnx2x *bp;
	int rc;

	SET_NETDEV_DEV(dev, &pdev->dev);
	bp = netdev_priv(dev);

9852 9853
	bp->dev = dev;
	bp->pdev = pdev;
E
Eliezer Tamir 已提交
9854
	bp->flags = 0;
9855
	bp->func = PCI_FUNC(pdev->devfn);
E
Eliezer Tamir 已提交
9856 9857 9858 9859 9860 9861 9862 9863 9864 9865 9866 9867 9868 9869 9870 9871 9872 9873 9874 9875 9876

	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;
	}

9877 9878 9879 9880 9881 9882 9883
	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
9884

9885 9886 9887
		pci_set_master(pdev);
		pci_save_state(pdev);
	}
E
Eliezer Tamir 已提交
9888 9889 9890 9891 9892 9893 9894 9895 9896 9897 9898 9899 9900 9901 9902 9903 9904 9905 9906 9907 9908 9909 9910 9911 9912 9913 9914 9915 9916 9917 9918 9919 9920

	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;
	}

9921 9922 9923
	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
9924 9925 9926 9927 9928 9929 9930 9931 9932 9933 9934

	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;
	}

9935 9936 9937
	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
9938 9939 9940 9941 9942 9943 9944 9945
	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);

9946 9947 9948 9949 9950 9951 9952
	/* 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
9953

9954 9955
	dev->hard_start_xmit = bnx2x_start_xmit;
	dev->watchdog_timeo = TX_TIMEOUT;
E
Eliezer Tamir 已提交
9956

9957 9958 9959 9960 9961 9962 9963 9964 9965 9966 9967 9968 9969 9970 9971 9972 9973 9974 9975 9976 9977 9978
	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
9979
	dev->features |= NETIF_F_TSO6;
E
Eliezer Tamir 已提交
9980 9981 9982 9983 9984 9985 9986 9987 9988 9989 9990 9991 9992 9993

	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:
9994 9995
	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);
E
Eliezer Tamir 已提交
9996 9997 9998 9999 10000 10001 10002 10003 10004

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

err_out:
	return rc;
}

E
Eliezer Tamir 已提交
10005 10006 10007 10008 10009 10010 10011 10012 10013 10014 10015 10016 10017 10018 10019 10020 10021
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
10022 10023 10024 10025 10026 10027
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
10028 10029
	int rc;
	DECLARE_MAC_BUF(mac);
E
Eliezer Tamir 已提交
10030 10031 10032 10033 10034 10035

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

	/* dev zeroed in init_etherdev */
	dev = alloc_etherdev(sizeof(*bp));
10036 10037
	if (!dev) {
		printk(KERN_ERR PFX "Cannot allocate net device\n");
E
Eliezer Tamir 已提交
10038
		return -ENOMEM;
10039
	}
E
Eliezer Tamir 已提交
10040 10041 10042 10043 10044 10045

	netif_carrier_off(dev);

	bp = netdev_priv(dev);
	bp->msglevel = debug;

10046
	rc = bnx2x_init_dev(pdev, dev);
E
Eliezer Tamir 已提交
10047 10048 10049 10050 10051 10052 10053
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

	rc = register_netdev(dev);
	if (rc) {
E
Eliezer Tamir 已提交
10054
		dev_err(&pdev->dev, "Cannot register net device\n");
10055
		goto init_one_exit;
E
Eliezer Tamir 已提交
10056 10057 10058 10059
	}

	pci_set_drvdata(pdev, dev);

10060 10061 10062 10063 10064 10065 10066
	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
10067
	printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10068 10069
	       " IRQ %d, ", dev->name, bp->common.name,
	       (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
E
Eliezer Tamir 已提交
10070 10071 10072 10073
	       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
10074
	return 0;
10075 10076 10077 10078 10079 10080 10081 10082 10083 10084 10085 10086 10087 10088 10089 10090 10091

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;
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}

static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
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	struct bnx2x *bp;

	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return;
	}
	bp = netdev_priv(dev);
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	unregister_netdev(dev);

	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

	free_netdev(dev);
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	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

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	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);
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	struct bnx2x *bp;

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	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return -ENODEV;
	}
	bp = netdev_priv(dev);
E
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	rtnl_lock();
E
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	pci_save_state(pdev);
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	if (!netif_running(dev)) {
		rtnl_unlock();
		return 0;
	}
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	netif_device_detach(dev);

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	bnx2x_nic_unload(bp, UNLOAD_NORMAL);

E
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	bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
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	rtnl_unlock();

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	return 0;
}

static int bnx2x_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
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	struct bnx2x *bp;
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	int rc;

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	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return -ENODEV;
	}
	bp = netdev_priv(dev);
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	rtnl_lock();

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	pci_restore_state(pdev);
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	if (!netif_running(dev)) {
		rtnl_unlock();
		return 0;
	}

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	bnx2x_set_power_state(bp, PCI_D0);
	netif_device_attach(dev);

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	rc = bnx2x_nic_load(bp, LOAD_NORMAL);
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	rtnl_unlock();

	return rc;
E
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}

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/**
 * 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,
};

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static struct pci_driver bnx2x_pci_driver = {
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	.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,
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};

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);