bnx2x_main.c 280.3 KB
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/* bnx2x_main.c: Broadcom Everest network driver.
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 *
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 * Copyright (c) 2007-2008 Broadcom Corporation
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
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 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
 * Written by: Eliezer Tamir
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 * Based on code from Michael Chan's bnx2 driver
 * UDP CSUM errata workaround by Arik Gendelman
 * Slowpath rework by Vladislav Zolotarov
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 * Statistics and Link management by Yitchak Gertner
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 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/device.h>  /* for dev_info() */
#include <linux/timer.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/dma-mapping.h>
#include <linux/bitops.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <linux/time.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#ifdef NETIF_F_HW_VLAN_TX
	#include <linux/if_vlan.h>
#endif
#include <net/ip.h>
#include <net/tcp.h>
#include <net/checksum.h>
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#include <linux/version.h>
#include <net/ip6_checksum.h>
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#include <linux/workqueue.h>
#include <linux/crc32.h>
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#include <linux/crc32c.h>
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#include <linux/prefetch.h>
#include <linux/zlib.h>
#include <linux/io.h>

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

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#define DRV_MODULE_VERSION      "1.45.6"
#define DRV_MODULE_RELDATE      "2008/06/23"
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#define BNX2X_BC_VER		0x040200
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/* Time in jiffies before concluding the transmitter is hung */
#define TX_TIMEOUT		(5*HZ)
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static char version[] __devinitdata =
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	"Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
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	DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";

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

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

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

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

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

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

MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);

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

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

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

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

	return val;
}

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

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

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

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

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

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

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

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

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

	*wb_comp = 0;

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

		if (!cnt) {
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			BNX2X_ERR("dmae timeout!\n");
			break;
		}
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		cnt--;
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		/* adjust delay for emulation/FPGA */
		if (CHIP_REV_IS_SLOW(bp))
			msleep(100);
		else
			udelay(5);
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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) {

		if (!cnt) {
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			BNX2X_ERR("dmae timeout!\n");
			break;
		}
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		cnt--;
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		/* adjust delay for emulation/FPGA */
		if (CHIP_REV_IS_SLOW(bp))
			msleep(100);
		else
			udelay(5);
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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;
485
		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;
492
		printk(KERN_CONT "%s", (char *)data);
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	}
	printk("\n" KERN_ERR PFX "end of fw dump\n");
}

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

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

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

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

		BNX2X_ERR("queue[%d]: tx_pkt_prod(%x)  tx_pkt_cons(%x)"
512
			  "  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,
514
			  fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Y
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		BNX2X_ERR("          rx_bd_prod(%x)  rx_bd_cons(%x)"
			  "  *rx_bd_cons_sb(%x)  rx_comp_prod(%x)"
			  "  rx_comp_cons(%x)  *rx_cons_sb(%x)\n",
			  fp->rx_bd_prod, fp->rx_bd_cons,
			  le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
			  fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
		BNX2X_ERR("          rx_sge_prod(%x)  last_max_sge(%x)"
			  "  fp_c_idx(%x)  *sb_c_idx(%x)  fp_u_idx(%x)"
			  "  *sb_u_idx(%x)  bd data(%x,%x)\n",
			  fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
			  fp->status_blk->c_status_block.status_block_index,
			  fp->fp_u_idx,
			  fp->status_blk->u_status_block.status_block_index,
			  hw_prods->packets_prod, hw_prods->bds_prod);
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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",
555
				  j, rx_bd[1], rx_bd[0], sw_bd->skb);
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		}

558 559
		start = RX_SGE(fp->rx_sge_prod);
		end = RX_SGE(fp->last_max_sge);
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		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]);
		}
	}

578 579
	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",
581
		  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);

584
	bnx2x_fw_dump(bp);
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	bnx2x_mc_assert(bp);
	BNX2X_ERR("end crash dump -----------------\n");
}

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static void bnx2x_int_enable(struct bnx2x *bp)
E
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{
591
	int port = BP_PORT(bp);
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	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;

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

		REG_WR(bp, addr, val);

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		val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
	}

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

	REG_WR(bp, addr, val);
618 619 620 621 622 623 624 625 626 627 628 629 630 631

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

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

E
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static void bnx2x_int_disable(struct bnx2x *bp)
E
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{
636
	int port = BP_PORT(bp);
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	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);

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

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

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

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

658
	/* disable interrupt handling */
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	atomic_inc(&bp->intr_sem);
E
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	/* prevent the HW from sending interrupts */
E
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	bnx2x_int_disable(bp);
E
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	/* make sure all ISRs are done */
	if (msix) {
		for_each_queue(bp, i)
			synchronize_irq(bp->msix_table[i].vector);

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

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

677
/* fast path */
E
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/*
680
 * General service functions
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 */

683
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)
{
686 687
	u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
		       COMMAND_REG_INT_ACK);
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	struct igu_ack_register igu_ack;

	igu_ack.status_block_index = index;
	igu_ack.sb_id_and_flags =
692
			((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));

697 698 699
	DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
	   (*(u32 *)&igu_ack), hc_addr);
	REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
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}

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

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

static u16 bnx2x_ack_int(struct bnx2x *bp)
{
721 722 723
	u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
		       COMMAND_REG_SIMD_MASK);
	u32 result = REG_RD(bp, hc_addr);
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	DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
	   result, hc_addr);
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	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;
745
	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;
758
	new_cons = nbd + tx_buf->first_bd;
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#ifdef BNX2X_STOP_ON_ERROR
	if (nbd > (MAX_SKB_FRAGS + 2)) {
761
		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 */
796
	WARN_ON(!skb);
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	dev_kfree_skb(skb);
	tx_buf->first_bd = 0;
	tx_buf->skb = NULL;

801
	return new_cons;
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}

804
static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
E
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{
806 807 808
	s16 used;
	u16 prod;
	u16 cons;
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810
	barrier(); /* Tell compiler that prod and cons can change */
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	prod = fp->tx_bd_prod;
	cons = fp->tx_bd_cons;

814 815 816
	/* 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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818
#ifdef BNX2X_STOP_ON_ERROR
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	WARN_ON(used < 0);
	WARN_ON(used > fp->bp->tx_ring_size);
	WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
822
#endif
E
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824
	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); */

848
		DP(NETIF_MSG_TX_DONE, "hw_cons %u  sw_cons %u  pkt_cons %u\n",
E
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		   hw_cons, sw_cons, pkt_cons);

851
/*		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) &&
880
		    (bp->state == BNX2X_STATE_OPEN) &&
E
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		    (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
			netif_wake_queue(bp->dev);

		netif_tx_unlock(bp->dev);
	}
}

888

E
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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);

896
	DP(BNX2X_MSG_SP,
E
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	   "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
898 899
	   FP_IDX(fp), cid, command, bp->state,
	   rr_cqe->ramrod_cqe.ramrod_type);
E
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	bp->spq_left++;

903
	if (FP_IDX(fp)) {
E
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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:
919 920 921
			BNX2X_ERR("unexpected MC reply (%d)  "
				  "fp->state is %x\n", command, fp->state);
			break;
E
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		}
923
		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):
940
		DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
941
		bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
E
Eliezer Tamir 已提交
942 943
		break;

944

E
Eliezer Tamir 已提交
945
	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
946
	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
E
Eliezer Tamir 已提交
947
		DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Y
Yitchak Gertner 已提交
948
		bp->set_mac_pending = 0;
E
Eliezer Tamir 已提交
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		break;

951
	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
952
		DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
953 954
		break;

E
Eliezer Tamir 已提交
955
	default:
956
		BNX2X_ERR("unexpected MC reply (%d)  bp->state is %x\n",
E
Eliezer Tamir 已提交
957
			  command, bp->state);
958
		break;
E
Eliezer Tamir 已提交
959
	}
960
	mb(); /* force bnx2x_wait_ramrod() to see the change */
E
Eliezer Tamir 已提交
961 962
}

963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004
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);
1005
	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018
		__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
1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032
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);
1033
	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
E
Eliezer Tamir 已提交
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		dev_kfree_skb(skb);
		return -ENOMEM;
	}

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

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

	return 0;
}

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

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

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

1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245
static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
					     u16 idx)
{
	u16 last_max = fp->last_max_sge;

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

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

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

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

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

	if (!sge_len)
		return;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	fp->tpa_state[queue] = BNX2X_TPA_START;

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

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

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

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

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

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

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

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

		/* If we fail to allocate a substitute page, we simply stop
		   where we are and drop the whole packet */
		err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
		if (unlikely(err)) {
Y
Yitchak Gertner 已提交
1246
			bp->eth_stats.rx_skb_alloc_failed++;
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
			return err;
		}

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

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

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

		frag_size -= frag_len;
	}

	return 0;
}

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

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

	if (likely(new_skb)) {
Y
Yitchak Gertner 已提交
1283 1284
		/* fix ip xsum and give it to the stack */
		/* (no need to map the new skb) */
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

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

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

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

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

		{
			struct iphdr *iph;

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

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

		bp->dev->last_rx = jiffies;

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

	} else {
Y
Yitchak Gertner 已提交
1337
		/* else drop the packet and keep the buffer in the bin */
1338 1339
		DP(NETIF_MSG_RX_STATUS,
		   "Failed to allocate new skb - dropping packet!\n");
Y
Yitchak Gertner 已提交
1340
		bp->eth_stats.rx_skb_alloc_failed++;
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
	}

	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;
1372
	u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
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Eliezer Tamir 已提交
1373 1374 1375 1376 1377 1378 1379 1380
	u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
	int rx_pkt = 0;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return 0;
#endif

1381 1382
	/* CQ "next element" is of the size of the regular element,
	   that's why it's ok here */
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Eliezer Tamir 已提交
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	hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
	if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
		hw_comp_cons++;

	bd_cons = fp->rx_bd_cons;
	bd_prod = fp->rx_bd_prod;
1389
	bd_prod_fw = bd_prod;
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	sw_comp_cons = fp->rx_comp_cons;
	sw_comp_prod = fp->rx_comp_prod;

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

	DP(NETIF_MSG_RX_STATUS,
	   "queue[%d]:  hw_comp_cons %u  sw_comp_cons %u\n",
1400
	   FP_IDX(fp), hw_comp_cons, sw_comp_cons);
E
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	while (sw_comp_cons != hw_comp_cons) {
1403
		struct sw_rx_bd *rx_buf = NULL;
E
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		struct sk_buff *skb;
		union eth_rx_cqe *cqe;
1406 1407
		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];
1414
		cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
E
Eliezer Tamir 已提交
1415 1416

		DP(NETIF_MSG_RX_STATUS, "CQE type %x  err %x  status %x"
1417 1418
		   "  queue %x  vlan %x  len %u\n", CQE_TYPE(cqe_fp_flags),
		   cqe_fp_flags, cqe->fast_path_cqe.status_flags,
E
Eliezer Tamir 已提交
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		   cqe->fast_path_cqe.rss_hash_result,
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		   le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
		   le16_to_cpu(cqe->fast_path_cqe.pkt_len));
E
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		/* is this a slowpath msg? */
1424
		if (unlikely(CQE_TYPE(cqe_fp_flags))) {
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Eliezer Tamir 已提交
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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;

1435 1436 1437 1438 1439
			/* 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))) {
1440
				u16 queue = cqe->fast_path_cqe.queue_index;
1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477

				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
1478 1479 1480 1481 1482 1483 1484 1485
			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? */
1486
			if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
E
Eliezer Tamir 已提交
1487
				DP(NETIF_MSG_RX_ERR,
1488 1489
				   "ERROR  flags %x  rx packet %u\n",
				   cqe_fp_flags, sw_comp_cons);
Y
Yitchak Gertner 已提交
1490
				bp->eth_stats.rx_err_discard_pkt++;
E
Eliezer Tamir 已提交
1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504
				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,
1505
					   "ERROR  packet dropped "
E
Eliezer Tamir 已提交
1506
					   "because of alloc failure\n");
Y
Yitchak Gertner 已提交
1507
					bp->eth_stats.rx_skb_alloc_failed++;
E
Eliezer Tamir 已提交
1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530
					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,
1531
				   "ERROR  packet dropped because "
E
Eliezer Tamir 已提交
1532
				   "of alloc failure\n");
Y
Yitchak Gertner 已提交
1533
				bp->eth_stats.rx_skb_alloc_failed++;
E
Eliezer Tamir 已提交
1534 1535 1536 1537 1538 1539 1540 1541
reuse_rx:
				bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
				goto next_rx;
			}

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

			skb->ip_summed = CHECKSUM_NONE;
Y
Yitchak Gertner 已提交
1542
			if (bp->rx_csum) {
1543 1544
				if (likely(BNX2X_RX_CSUM_OK(cqe)))
					skb->ip_summed = CHECKSUM_UNNECESSARY;
Y
Yitchak Gertner 已提交
1545 1546 1547
				else
					bp->eth_stats.hw_csum_err++;
			}
E
Eliezer Tamir 已提交
1548 1549 1550
		}

#ifdef BCM_VLAN
1551 1552 1553
		if ((bp->vlgrp != NULL) &&
		    (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
		     PARSING_FLAGS_VLAN))
E
Eliezer Tamir 已提交
1554 1555 1556 1557
			vlan_hwaccel_receive_skb(skb, bp->vlgrp,
				le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
		else
#endif
1558
			netif_receive_skb(skb);
E
Eliezer Tamir 已提交
1559 1560 1561 1562 1563 1564 1565 1566

		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);
1567 1568
		bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
		rx_pkt++;
E
Eliezer Tamir 已提交
1569 1570 1571 1572
next_cqe:
		sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
		sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);

1573
		if (rx_pkt == budget)
E
Eliezer Tamir 已提交
1574 1575 1576 1577
			break;
	} /* while */

	fp->rx_bd_cons = bd_cons;
1578
	fp->rx_bd_prod = bd_prod_fw;
E
Eliezer Tamir 已提交
1579 1580 1581
	fp->rx_comp_cons = sw_comp_cons;
	fp->rx_comp_prod = sw_comp_prod;

1582 1583 1584
	/* Update producers */
	bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
			     fp->rx_sge_prod);
E
Eliezer Tamir 已提交
1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597
	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;
1598
	int index = FP_IDX(fp);
E
Eliezer Tamir 已提交
1599

1600 1601 1602 1603 1604 1605
	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
		return IRQ_HANDLED;
	}

1606 1607 1608
	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
1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620

#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));
1621

E
Eliezer Tamir 已提交
1622 1623 1624 1625 1626 1627 1628 1629
	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);
1630
	u16 mask;
E
Eliezer Tamir 已提交
1631

1632
	/* Return here if interrupt is shared and it's not for us */
E
Eliezer Tamir 已提交
1633 1634 1635 1636
	if (unlikely(status == 0)) {
		DP(NETIF_MSG_INTR, "not our interrupt!\n");
		return IRQ_NONE;
	}
1637
	DP(NETIF_MSG_INTR, "got an interrupt  status %u\n", status);
E
Eliezer Tamir 已提交
1638

1639
	/* Return here if interrupt is disabled */
E
Eliezer Tamir 已提交
1640 1641 1642 1643 1644
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
		return IRQ_HANDLED;
	}

1645 1646 1647 1648 1649
#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

1650 1651
	mask = 0x2 << bp->fp[0].sb_id;
	if (status & mask) {
E
Eliezer Tamir 已提交
1652 1653 1654 1655 1656 1657 1658 1659 1660
		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));

1661
		status &= ~mask;
E
Eliezer Tamir 已提交
1662 1663 1664
	}


1665
	if (unlikely(status & 0x1)) {
E
Eliezer Tamir 已提交
1666 1667 1668 1669 1670 1671 1672
		schedule_work(&bp->sp_task);

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

1673 1674 1675
	if (status)
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
		   status);
E
Eliezer Tamir 已提交
1676

Y
Yaniv Rosner 已提交
1677
	return IRQ_HANDLED;
E
Eliezer Tamir 已提交
1678 1679
}

Y
Yaniv Rosner 已提交
1680
/* end of fast path */
E
Eliezer Tamir 已提交
1681

Y
Yitchak Gertner 已提交
1682
static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
E
Eliezer Tamir 已提交
1683

Y
Yaniv Rosner 已提交
1684 1685 1686 1687 1688
/* Link */

/*
 * General service functions
 */
E
Eliezer Tamir 已提交
1689

Y
Yitchak Gertner 已提交
1690
static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1691 1692 1693
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1694 1695
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
Y
Yaniv Rosner 已提交
1696
	int cnt;
E
Eliezer Tamir 已提交
1697

Y
Yaniv Rosner 已提交
1698 1699 1700 1701 1702 1703 1704
	/* 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
1705

Y
Yitchak Gertner 已提交
1706 1707 1708 1709 1710 1711 1712
	if (func <= 5) {
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	} else {
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
	}

Y
Yaniv Rosner 已提交
1713
	/* Validating that the resource is not already taken */
Y
Yitchak Gertner 已提交
1714
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1715 1716 1717 1718 1719
	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
1720

Y
Yaniv Rosner 已提交
1721 1722 1723
	/* Try for 1 second every 5ms */
	for (cnt = 0; cnt < 200; cnt++) {
		/* Try to acquire the lock */
Y
Yitchak Gertner 已提交
1724 1725
		REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
		lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1726 1727
		if (lock_status & resource_bit)
			return 0;
E
Eliezer Tamir 已提交
1728

Y
Yaniv Rosner 已提交
1729
		msleep(5);
E
Eliezer Tamir 已提交
1730
	}
Y
Yaniv Rosner 已提交
1731 1732 1733
	DP(NETIF_MSG_HW, "Timeout\n");
	return -EAGAIN;
}
E
Eliezer Tamir 已提交
1734

Y
Yitchak Gertner 已提交
1735
static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1736 1737 1738
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1739 1740
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
E
Eliezer Tamir 已提交
1741

Y
Yaniv Rosner 已提交
1742 1743 1744 1745 1746 1747 1748 1749
	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
		return -EINVAL;
	}

Y
Yitchak Gertner 已提交
1750 1751 1752 1753 1754 1755 1756
	if (func <= 5) {
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	} else {
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
	}

Y
Yaniv Rosner 已提交
1757
	/* Validating that the resource is currently taken */
Y
Yitchak Gertner 已提交
1758
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1759 1760 1761 1762
	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
1763 1764
	}

Y
Yitchak Gertner 已提交
1765
	REG_WR(bp, hw_lock_control_reg, resource_bit);
Y
Yaniv Rosner 已提交
1766 1767 1768 1769
	return 0;
}

/* HW Lock for shared dual port PHYs */
Y
Yitchak Gertner 已提交
1770
static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Y
Yaniv Rosner 已提交
1771 1772
{
	u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
1773

1774
	mutex_lock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
1775

Y
Yaniv Rosner 已提交
1776 1777
	if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Y
Yitchak Gertner 已提交
1778
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Y
Yaniv Rosner 已提交
1779
}
E
Eliezer Tamir 已提交
1780

Y
Yitchak Gertner 已提交
1781
static void bnx2x_release_phy_lock(struct bnx2x *bp)
Y
Yaniv Rosner 已提交
1782 1783
{
	u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
1784

Y
Yaniv Rosner 已提交
1785 1786
	if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Y
Yitchak Gertner 已提交
1787
		bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
E
Eliezer Tamir 已提交
1788

1789
	mutex_unlock(&bp->port.phy_mutex);
Y
Yaniv Rosner 已提交
1790
}
E
Eliezer Tamir 已提交
1791

1792
int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Y
Yaniv Rosner 已提交
1793 1794 1795
{
	/* The GPIO should be swapped if swap register is set and active */
	int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1796
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Y
Yaniv Rosner 已提交
1797 1798 1799 1800
	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
1801

Y
Yaniv Rosner 已提交
1802 1803 1804 1805
	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1806

Y
Yitchak Gertner 已提交
1807
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Y
Yaniv Rosner 已提交
1808 1809
	/* 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
1810

Y
Yaniv Rosner 已提交
1811 1812 1813 1814 1815 1816 1817 1818
	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
1819

Y
Yaniv Rosner 已提交
1820 1821 1822 1823 1824 1825 1826
	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
1827

1828
	case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Y
Yaniv Rosner 已提交
1829 1830 1831 1832 1833
		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
1834

Y
Yaniv Rosner 已提交
1835 1836
	default:
		break;
E
Eliezer Tamir 已提交
1837 1838
	}

Y
Yaniv Rosner 已提交
1839
	REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Y
Yitchak Gertner 已提交
1840
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
E
Eliezer Tamir 已提交
1841

Y
Yaniv Rosner 已提交
1842
	return 0;
E
Eliezer Tamir 已提交
1843 1844
}

Y
Yaniv Rosner 已提交
1845
static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
E
Eliezer Tamir 已提交
1846
{
Y
Yaniv Rosner 已提交
1847 1848
	u32 spio_mask = (1 << spio_num);
	u32 spio_reg;
E
Eliezer Tamir 已提交
1849

Y
Yaniv Rosner 已提交
1850 1851 1852 1853
	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
1854 1855
	}

Y
Yitchak Gertner 已提交
1856
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1857 1858
	/* 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
1859

Y
Yaniv Rosner 已提交
1860 1861 1862 1863 1864 1865 1866
	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
1867

Y
Yaniv Rosner 已提交
1868 1869 1870 1871 1872 1873
	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
1874

Y
Yaniv Rosner 已提交
1875 1876 1877 1878 1879
	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
1880

Y
Yaniv Rosner 已提交
1881 1882
	default:
		break;
E
Eliezer Tamir 已提交
1883 1884
	}

Y
Yaniv Rosner 已提交
1885
	REG_WR(bp, MISC_REG_SPIO, spio_reg);
Y
Yitchak Gertner 已提交
1886
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1887

E
Eliezer Tamir 已提交
1888 1889 1890
	return 0;
}

Y
Yaniv Rosner 已提交
1891
static void bnx2x_calc_fc_adv(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1892
{
Y
Yaniv Rosner 已提交
1893 1894
	switch (bp->link_vars.ieee_fc) {
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1895
		bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1896 1897 1898
					  ADVERTISED_Pause);
		break;
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1899
		bp->port.advertising |= (ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1900 1901 1902
					 ADVERTISED_Pause);
		break;
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1903
		bp->port.advertising |= ADVERTISED_Asym_Pause;
Y
Yaniv Rosner 已提交
1904 1905
		break;
	default:
1906
		bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1907 1908 1909 1910
					  ADVERTISED_Pause);
		break;
	}
}
E
Eliezer Tamir 已提交
1911

Y
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1912 1913 1914 1915 1916 1917
static void bnx2x_link_report(struct bnx2x *bp)
{
	if (bp->link_vars.link_up) {
		if (bp->state == BNX2X_STATE_OPEN)
			netif_carrier_on(bp->dev);
		printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
E
Eliezer Tamir 已提交
1918

Y
Yaniv Rosner 已提交
1919
		printk("%d Mbps ", bp->link_vars.line_speed);
E
Eliezer Tamir 已提交
1920

Y
Yaniv Rosner 已提交
1921 1922 1923 1924
		if (bp->link_vars.duplex == DUPLEX_FULL)
			printk("full duplex");
		else
			printk("half duplex");
E
Eliezer Tamir 已提交
1925

Y
Yaniv Rosner 已提交
1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936
		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
1937

Y
Yaniv Rosner 已提交
1938 1939 1940
	} else { /* link_down */
		netif_carrier_off(bp->dev);
		printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
E
Eliezer Tamir 已提交
1941
	}
Y
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1942 1943 1944 1945
}

static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
{
1946 1947
	if (!BP_NOMCP(bp)) {
		u8 rc;
E
Eliezer Tamir 已提交
1948

1949
		/* Initialize link parameters structure variables */
Y
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1950 1951 1952 1953 1954 1955 1956 1957
		/* It is recommended to turn off RX FC for jumbo frames
		   for better performance */
		if (IS_E1HMF(bp))
			bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
		else if (bp->dev->mtu > 5000)
			bp->link_params.req_fc_auto_adv = FLOW_CTRL_TX;
		else
			bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
E
Eliezer Tamir 已提交
1958

Y
Yitchak Gertner 已提交
1959
		bnx2x_acquire_phy_lock(bp);
1960
		rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1961
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1962

1963 1964
		if (bp->link_vars.link_up)
			bnx2x_link_report(bp);
E
Eliezer Tamir 已提交
1965

1966
		bnx2x_calc_fc_adv(bp);
1967

1968 1969 1970 1971
		return rc;
	}
	BNX2X_ERR("Bootcode is missing -not initializing link\n");
	return -EINVAL;
E
Eliezer Tamir 已提交
1972 1973
}

Y
Yaniv Rosner 已提交
1974
static void bnx2x_link_set(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1975
{
1976
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1977
		bnx2x_acquire_phy_lock(bp);
1978
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1979
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1980

1981 1982 1983
		bnx2x_calc_fc_adv(bp);
	} else
		BNX2X_ERR("Bootcode is missing -not setting link\n");
Y
Yaniv Rosner 已提交
1984
}
E
Eliezer Tamir 已提交
1985

Y
Yaniv Rosner 已提交
1986 1987
static void bnx2x__link_reset(struct bnx2x *bp)
{
1988
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1989
		bnx2x_acquire_phy_lock(bp);
1990
		bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1991
		bnx2x_release_phy_lock(bp);
1992 1993
	} else
		BNX2X_ERR("Bootcode is missing -not resetting link\n");
Y
Yaniv Rosner 已提交
1994
}
E
Eliezer Tamir 已提交
1995

Y
Yaniv Rosner 已提交
1996 1997 1998
static u8 bnx2x_link_test(struct bnx2x *bp)
{
	u8 rc;
E
Eliezer Tamir 已提交
1999

Y
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2000
	bnx2x_acquire_phy_lock(bp);
Y
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2001
	rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Y
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2002
	bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
2003

Y
Yaniv Rosner 已提交
2004 2005
	return rc;
}
E
Eliezer Tamir 已提交
2006

2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217
/* Calculates the sum of vn_min_rates.
   It's needed for further normalizing of the min_rates.

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

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

			wsum += vn_min_rate;
		}
	}

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

	return wsum;
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

#ifdef BNX2X_PER_PROT_QOS
	do {
		u32 protocolWeightSum = 0;

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

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

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

Y
Yaniv Rosner 已提交
2218 2219 2220
/* This function is called upon link interrupt */
static void bnx2x_link_attn(struct bnx2x *bp)
{
2221 2222
	int vn;

Y
Yitchak Gertner 已提交
2223 2224 2225
	/* Make sure that we are synced with the current statistics */
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
Yitchak Gertner 已提交
2226
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
2227
	bnx2x_link_update(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
2228
	bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
2229

Y
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2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244
	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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2245 2246
	/* indicate link status */
	bnx2x_link_report(bp);
2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279

	if (IS_E1HMF(bp)) {
		int func;

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

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

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

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

		/* Init RATE SHAPING and FAIRNESS contexts */
		wsum = bnx2x_calc_vn_wsum(bp);
		bnx2x_init_port_minmax(bp, (int)wsum,
					bp->link_vars.line_speed,
					&m_cmng_port);
		if (IS_E1HMF(bp))
			for (vn = VN_0; vn < E1HVN_MAX; vn++)
				bnx2x_init_vn_minmax(bp, 2*vn + port,
					wsum, bp->link_vars.line_speed,
						     &m_cmng_port);
	}
Y
Yaniv Rosner 已提交
2280
}
E
Eliezer Tamir 已提交
2281

Y
Yaniv Rosner 已提交
2282 2283 2284 2285
static void bnx2x__link_status_update(struct bnx2x *bp)
{
	if (bp->state != BNX2X_STATE_OPEN)
		return;
E
Eliezer Tamir 已提交
2286

Y
Yaniv Rosner 已提交
2287
	bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2288

Y
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2289 2290 2291 2292 2293
	if (bp->link_vars.link_up)
		bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	else
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
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2294 2295
	/* indicate link status */
	bnx2x_link_report(bp);
E
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2296 2297
}

2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309
static void bnx2x_pmf_update(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;

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

	/* enable nig attention */
	val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
	REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
	REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Y
Yitchak Gertner 已提交
2310 2311

	bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2312 2313
}

Y
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2314
/* end of Link */
E
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2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325

/* 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)
{
2326
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
2327

2328 2329
	DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
	   "SPQE (%x:%x)  command %d  hw_cid %x  data (%x:%x)  left %x\n",
E
Eliezer Tamir 已提交
2330 2331 2332 2333 2334 2335 2336 2337 2338
	   (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

2339
	spin_lock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2340 2341 2342

	if (!bp->spq_left) {
		BNX2X_ERR("BUG! SPQ ring full!\n");
2343
		spin_unlock_bh(&bp->spq_lock);
E
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		bnx2x_panic();
		return -EBUSY;
	}
E
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E
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2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371
	/* 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++;
	}

2372
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
E
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2373 2374
	       bp->spq_prod_idx);

2375
	spin_unlock_bh(&bp->spq_lock);
E
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2376 2377 2378 2379
	return 0;
}

/* acquire split MCP access lock register */
Y
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static int bnx2x_acquire_alr(struct bnx2x *bp)
E
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2381 2382
{
	u32 i, j, val;
2383
	int rc = 0;
E
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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))) {
2397
		BNX2X_ERR("Cannot acquire MCP access lock register\n");
E
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		rc = -EBUSY;
	}

	return rc;
}

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

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

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

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

/*
 * slow path service functions
 */

static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
{
2447
	int port = BP_PORT(bp);
2448 2449
	u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
		       COMMAND_REG_ATTN_BITS_SET);
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	u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			      MISC_REG_AEU_MASK_ATTN_FUNC_0;
2452 2453
	u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
				       NIG_REG_MASK_INTERRUPT_PORT0;
E
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	u32 aeu_mask;
E
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2455 2456 2457 2458

	if (bp->attn_state & asserted)
		BNX2X_ERR("IGU ERROR\n");

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

E
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	DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
E
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2463 2464 2465
	   aeu_mask, asserted);
	aeu_mask &= ~(asserted & 0xff);
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
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E
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	REG_WR(bp, aeu_addr, aeu_mask);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
E
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E
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	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
E
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	bp->attn_state |= asserted;
E
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	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
E
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2473 2474 2475 2476

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

2477 2478 2479
			/* 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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Y
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2481
			bnx2x_link_attn(bp);
E
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2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526

			/* 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 */

2527 2528 2529
	DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
	   asserted, hc_addr);
	REG_WR(bp, hc_addr, asserted);
E
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2530 2531 2532

	/* now set back the mask */
	if (asserted & ATTN_NIG_FOR_FUNC)
2533
		REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
E
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2534 2535
}

2536
static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
E
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2537
{
2538
	int port = BP_PORT(bp);
2539 2540 2541
	int reg_offset;
	u32 val;

2542 2543
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2544

2545
	if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2546 2547 2548 2549 2550 2551 2552

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

		BNX2X_ERR("SPIO5 hw attention\n");

2553
		switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2554 2555 2556
		case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
			/* Fan failure attention */

2557
			/* The PHY reset is controlled by GPIO 1 */
2558
			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2559 2560
				       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
			/* Low power mode is controlled by GPIO 2 */
2561
			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2562
				       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2563
			/* mark the failure */
Y
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			bp->link_params.ext_phy_config &=
2565
					~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Y
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			bp->link_params.ext_phy_config |=
2567 2568 2569 2570
					PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
			SHMEM_WR(bp,
				 dev_info.port_hw_config[port].
							external_phy_config,
Y
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				 bp->link_params.ext_phy_config);
2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583
			/* 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;
		}
	}
2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594

	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();
	}
2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608
}

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");
	}
2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625

	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();
	}
2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648
}

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");
	}
2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665

	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();
	}
2666 2667 2668 2669
}

static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
{
2670 2671
	u32 val;

2672 2673
	if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {

2674 2675 2676 2677 2678 2679 2680 2681 2682 2683
		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) {
2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695

			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);
2696
			bnx2x_fw_dump(bp);
2697 2698 2699 2700 2701 2702

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

	if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713
		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);
		}
2714 2715 2716 2717 2718 2719
		REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
	}
}

static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
{
E
Eliezer Tamir 已提交
2720 2721
	struct attn_route attn;
	struct attn_route group_mask;
2722
	int port = BP_PORT(bp);
2723
	int index;
E
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2724 2725
	u32 reg_addr;
	u32 val;
E
Eilon Greenstein 已提交
2726
	u32 aeu_mask;
E
Eliezer Tamir 已提交
2727 2728 2729

	/* need to take HW lock because MCP or other port might also
	   try to handle this event */
Y
Yitchak Gertner 已提交
2730
	bnx2x_acquire_alr(bp);
E
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2731 2732 2733 2734 2735

	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);
2736 2737
	DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
	   attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
E
Eliezer Tamir 已提交
2738 2739 2740 2741 2742

	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
		if (deasserted & (1 << index)) {
			group_mask = bp->attn_group[index];

2743 2744 2745
			DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
			   index, group_mask.sig[0], group_mask.sig[1],
			   group_mask.sig[2], group_mask.sig[3]);
E
Eliezer Tamir 已提交
2746

2747 2748 2749 2750 2751 2752 2753 2754
			bnx2x_attn_int_deasserted3(bp,
					attn.sig[3] & group_mask.sig[3]);
			bnx2x_attn_int_deasserted1(bp,
					attn.sig[1] & group_mask.sig[1]);
			bnx2x_attn_int_deasserted2(bp,
					attn.sig[2] & group_mask.sig[2]);
			bnx2x_attn_int_deasserted0(bp,
					attn.sig[0] & group_mask.sig[0]);
E
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			if ((attn.sig[0] & group_mask.sig[0] &
						HW_PRTY_ASSERT_SET_0) ||
			    (attn.sig[1] & group_mask.sig[1] &
						HW_PRTY_ASSERT_SET_1) ||
			    (attn.sig[2] & group_mask.sig[2] &
						HW_PRTY_ASSERT_SET_2))
2762
			       BNX2X_ERR("FATAL HW block parity attention\n");
E
Eliezer Tamir 已提交
2763 2764 2765
		}
	}

Y
Yitchak Gertner 已提交
2766
	bnx2x_release_alr(bp);
E
Eliezer Tamir 已提交
2767

2768
	reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
E
Eliezer Tamir 已提交
2769 2770

	val = ~deasserted;
E
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2771 2772
	DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
	   val, reg_addr);
2773
	REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
2774 2775

	if (~bp->attn_state & deasserted)
E
Eilon Greenstein 已提交
2776
		BNX2X_ERR("IGU ERROR\n");
E
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2777 2778 2779 2780

	reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			  MISC_REG_AEU_MASK_ATTN_FUNC_0;

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

	DP(NETIF_MSG_HW, "aeu_mask %x  newly deasserted %x\n",
	   aeu_mask, deasserted);
	aeu_mask |= (deasserted & 0xff);
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
2788

E
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2789 2790
	REG_WR(bp, reg_addr, aeu_mask);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
E
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	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
	bp->attn_state &= ~deasserted;
	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
}

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

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

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

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

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

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

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

	status = bnx2x_update_dsb_idx(bp);
2836 2837
/*	if (status == 0)				     */
/*		BNX2X_ERR("spurious slowpath interrupt!\n"); */
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2839
	DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
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2841 2842
	/* HW attentions */
	if (status & 0x1)
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		bnx2x_attn_int(bp);

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

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

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

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

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

	schedule_work(&bp->sp_task);

	return IRQ_HANDLED;
}

/* end of slow path */

/* Statistics */

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

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

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

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

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

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

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

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

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

/*
 * General service functions
 */

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

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

/*
 * Init service functions
 */

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

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

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

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

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

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

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

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

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

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

	*stats_comp = DMAE_COMP_VAL;

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

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

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

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

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

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

	might_sleep();
	while (*stats_comp != DMAE_COMP_VAL) {
		if (!cnt) {
			BNX2X_ERR("timeout waiting for stats finished\n");
			break;
		}
		cnt--;
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		msleep(1);
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	}
	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;
3158 3159 3160 3161
	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;
3175
	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
Y
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3239 3240
		  (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
		  (vn << DMAE_CMD_E1HVN_SHIFT));
E
Eliezer Tamir 已提交
3241

Y
Yaniv Rosner 已提交
3242
	if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
E
Eliezer Tamir 已提交
3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269

		mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
				   NIG_REG_INGRESS_BMAC0_MEM);

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

		/* BIGMAC_REGISTER_RX_STAT_GR64 ..
		   BIGMAC_REGISTER_RX_STAT_GRIPJ */
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3270
				offsetof(struct bmac_stats, rx_stat_gr64_lo));
E
Eliezer Tamir 已提交
3271
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3272
				offsetof(struct bmac_stats, rx_stat_gr64_lo));
E
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3273 3274 3275 3276 3277 3278
		dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
			     BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

Y
Yaniv Rosner 已提交
3279
	} else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
E
Eliezer Tamir 已提交
3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302

		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
3303
		     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
E
Eliezer Tamir 已提交
3304
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3305
		     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
E
Eliezer Tamir 已提交
3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317
		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
3318
			offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
E
Eliezer Tamir 已提交
3319
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3320
			offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
E
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3321 3322 3323 3324 3325 3326 3327
		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
Yitchak Gertner 已提交
3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353
	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = opcode;
	dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
				    NIG_REG_STAT0_BRB_DISCARD) >> 2;
	dmae->src_addr_hi = 0;
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
	dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
	dmae->comp_addr_hi = 0;
	dmae->comp_val = 1;

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

E
Eliezer Tamir 已提交
3354 3355 3356 3357 3358 3359 3360 3361 3362
	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
3363 3364 3365 3366
			(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
3367
	dmae->src_addr_hi = 0;
Y
Yitchak Gertner 已提交
3368 3369 3370 3371 3372 3373 3374 3375 3376 3377
	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
3378 3379
}

Y
Yitchak Gertner 已提交
3380
static void bnx2x_func_stats_init(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3381
{
Y
Yitchak Gertner 已提交
3382 3383
	struct dmae_command *dmae = &bp->stats_dmae;
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
E
Eliezer Tamir 已提交
3384

Y
Yitchak Gertner 已提交
3385 3386 3387 3388 3389
	/* sanity */
	if (!bp->func_stx) {
		BNX2X_ERR("BUG!\n");
		return;
	}
E
Eliezer Tamir 已提交
3390

Y
Yitchak Gertner 已提交
3391 3392
	bp->executer_idx = 0;
	memset(dmae, 0, sizeof(struct dmae_command));
E
Eliezer Tamir 已提交
3393

Y
Yitchak Gertner 已提交
3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411
	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
3412

Y
Yitchak Gertner 已提交
3413 3414
	*stats_comp = 0;
}
E
Eliezer Tamir 已提交
3415

Y
Yitchak Gertner 已提交
3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452
static void bnx2x_stats_start(struct bnx2x *bp)
{
	if (bp->port.pmf)
		bnx2x_port_stats_init(bp);

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

	bnx2x_hw_stats_post(bp);
	bnx2x_storm_stats_post(bp);
}

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

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

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

	UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
	UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
	UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
	UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
	UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
	UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Y
Yitchak Gertner 已提交
3453
	UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Y
Yitchak Gertner 已提交
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
	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
3534

Y
Yitchak Gertner 已提交
3535 3536
	ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
		      new->brb_discard - old->brb_discard);
Y
Yitchak Gertner 已提交
3537 3538
	ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
		      new->brb_truncate - old->brb_truncate);
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
	estats->jabber_packets_received =
				old_tclient->packets_too_big_discard +
				estats->rx_stat_dot3statsframestoolong_lo;

	nstats->rx_length_errors =
				estats->rx_stat_etherstatsundersizepkts_lo +
				estats->jabber_packets_received;
Y
Yitchak Gertner 已提交
3716
	nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Y
Yitchak Gertner 已提交
3717 3718 3719
	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
3720 3721 3722 3723 3724 3725
	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
3726 3727
			    nstats->rx_fifo_errors +
			    nstats->rx_missed_errors;
E
Eliezer Tamir 已提交
3728

Y
Yitchak Gertner 已提交
3729 3730 3731 3732
	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
3733 3734 3735 3736 3737 3738 3739 3740
	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
3741
static void bnx2x_stats_update(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3742
{
Y
Yitchak Gertner 已提交
3743 3744
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
	int update = 0;
E
Eliezer Tamir 已提交
3745

Y
Yitchak Gertner 已提交
3746 3747 3748 3749 3750
	if (*stats_comp != DMAE_COMP_VAL)
		return;

	if (bp->port.pmf)
		update = (bnx2x_hw_stats_update(bp) == 0);
E
Eliezer Tamir 已提交
3751

Y
Yitchak Gertner 已提交
3752
	update |= (bnx2x_storm_stats_update(bp) == 0);
E
Eliezer Tamir 已提交
3753

Y
Yitchak Gertner 已提交
3754 3755
	if (update)
		bnx2x_net_stats_update(bp);
E
Eliezer Tamir 已提交
3756

Y
Yitchak Gertner 已提交
3757 3758 3759 3760 3761 3762 3763 3764 3765
	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
3766 3767 3768
	}

	if (bp->msglevel & NETIF_MSG_TIMER) {
Y
Yitchak Gertner 已提交
3769 3770
		struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
		struct bnx2x_eth_stats *estats = &bp->eth_stats;
E
Eliezer Tamir 已提交
3771
		struct net_device_stats *nstats = &bp->dev->stats;
3772
		int i;
E
Eliezer Tamir 已提交
3773 3774 3775 3776 3777

		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),
3778
		       le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
E
Eliezer Tamir 已提交
3779 3780
		printk(KERN_DEBUG "  rx usage (%4x)  rx hc idx (%x)"
				  "  rx pkt (%lx)\n",
3781 3782 3783
		       (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
3784 3785
		printk(KERN_DEBUG "  %s (Xoff events %u)  brb drops %u\n",
		       netif_queue_stopped(bp->dev)? "Xoff" : "Xon",
Y
Yitchak Gertner 已提交
3786
		       estats->driver_xoff, estats->brb_drop_lo);
E
Eliezer Tamir 已提交
3787 3788 3789 3790 3791
		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
3792 3793 3794
		       old_tclient->checksum_discard,
		       old_tclient->packets_too_big_discard,
		       old_tclient->no_buff_discard, estats->mac_discard,
E
Eliezer Tamir 已提交
3795
		       estats->mac_filter_discard, estats->xxoverflow_discard,
Y
Yitchak Gertner 已提交
3796 3797
		       estats->brb_truncate_discard,
		       old_tclient->ttl0_discard);
E
Eliezer Tamir 已提交
3798 3799 3800 3801 3802 3803 3804 3805 3806

		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
3807 3808 3809
	bnx2x_hw_stats_post(bp);
	bnx2x_storm_stats_post(bp);
}
E
Eliezer Tamir 已提交
3810

Y
Yitchak Gertner 已提交
3811 3812 3813 3814 3815 3816
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
3817

Y
Yitchak Gertner 已提交
3818
	bp->executer_idx = 0;
E
Eliezer Tamir 已提交
3819

Y
Yitchak Gertner 已提交
3820 3821 3822
	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
3823
#ifdef __BIG_ENDIAN
Y
Yitchak Gertner 已提交
3824
		  DMAE_CMD_ENDIANITY_B_DW_SWAP |
E
Eliezer Tamir 已提交
3825
#else
Y
Yitchak Gertner 已提交
3826
		  DMAE_CMD_ENDIANITY_DW_SWAP |
E
Eliezer Tamir 已提交
3827
#endif
Y
Yitchak Gertner 已提交
3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840
		  (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
3841
		dmae->dst_addr_hi = 0;
Y
Yitchak Gertner 已提交
3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852
		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
3853

Y
Yitchak Gertner 已提交
3854 3855
			*stats_comp = 0;
		}
E
Eliezer Tamir 已提交
3856 3857
	}

Y
Yitchak Gertner 已提交
3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871
	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
3872
	}
Y
Yitchak Gertner 已提交
3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887
}

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
3888

Y
Yitchak Gertner 已提交
3889 3890 3891 3892 3893
		if (bp->port.pmf)
			bnx2x_port_stats_stop(bp);

		bnx2x_hw_stats_post(bp);
		bnx2x_stats_comp(bp);
E
Eliezer Tamir 已提交
3894 3895 3896
	}
}

Y
Yitchak Gertner 已提交
3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931
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
3932 3933 3934 3935 3936 3937 3938 3939
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
3940
		goto timer_restart;
E
Eliezer Tamir 已提交
3941 3942 3943 3944 3945 3946 3947 3948 3949

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

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

3950 3951
	if (!BP_NOMCP(bp)) {
		int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
3952 3953 3954 3955 3956 3957 3958
		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;
3959
		SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
E
Eliezer Tamir 已提交
3960

3961
		mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
E
Eliezer Tamir 已提交
3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973
			     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
3974 3975 3976
	if ((bp->state == BNX2X_STATE_OPEN) ||
	    (bp->state == BNX2X_STATE_DISABLED))
		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
E
Eliezer Tamir 已提交
3977

E
Eliezer Tamir 已提交
3978
timer_restart:
E
Eliezer Tamir 已提交
3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989
	mod_timer(&bp->timer, jiffies + bp->current_interval);
}

/* end of Statistics */

/* nic init */

/*
 * nic init service functions
 */

3990
static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
E
Eliezer Tamir 已提交
3991
{
3992 3993 3994 3995
	int port = BP_PORT(bp);

	bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
			USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Y
Yitchak Gertner 已提交
3996
			sizeof(struct ustorm_status_block)/4);
3997 3998
	bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Y
Yitchak Gertner 已提交
3999
			sizeof(struct cstorm_status_block)/4);
4000 4001
}

4002 4003
static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
			  dma_addr_t mapping, int sb_id)
4004 4005
{
	int port = BP_PORT(bp);
Y
Yitchak Gertner 已提交
4006
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4007
	int index;
4008
	u64 section;
E
Eliezer Tamir 已提交
4009 4010 4011 4012

	/* USTORM */
	section = ((u64)mapping) + offsetof(struct host_status_block,
					    u_status_block);
4013
	sb->u_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4014 4015

	REG_WR(bp, BAR_USTRORM_INTMEM +
4016
	       USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
E
Eliezer Tamir 已提交
4017
	REG_WR(bp, BAR_USTRORM_INTMEM +
4018
	       ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
E
Eliezer Tamir 已提交
4019
	       U64_HI(section));
Y
Yitchak Gertner 已提交
4020 4021
	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
4022 4023 4024

	for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4025
			 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
E
Eliezer Tamir 已提交
4026 4027 4028 4029

	/* CSTORM */
	section = ((u64)mapping) + offsetof(struct host_status_block,
					    c_status_block);
4030
	sb->c_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4031 4032

	REG_WR(bp, BAR_CSTRORM_INTMEM +
4033
	       CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
E
Eliezer Tamir 已提交
4034
	REG_WR(bp, BAR_CSTRORM_INTMEM +
4035
	       ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
E
Eliezer Tamir 已提交
4036
	       U64_HI(section));
4037 4038
	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
4039 4040 4041

	for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4042 4043 4044 4045 4046 4047 4048 4049
			 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
4050

4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062
	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
4063 4064 4065 4066
}

static void bnx2x_init_def_sb(struct bnx2x *bp,
			      struct host_def_status_block *def_sb,
4067
			      dma_addr_t mapping, int sb_id)
E
Eliezer Tamir 已提交
4068
{
4069 4070
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4071 4072 4073 4074 4075 4076
	int index, val, reg_offset;
	u64 section;

	/* ATTN */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    atten_status_block);
4077
	def_sb->atten_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4078

4079 4080
	bp->attn_state = 0;

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

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

	reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
			     HC_REG_ATTN_MSG0_ADDR_L);

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

	reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);

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

	/* USTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    u_def_status_block);
4110
	def_sb->u_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4111 4112

	REG_WR(bp, BAR_USTRORM_INTMEM +
4113
	       USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4114
	REG_WR(bp, BAR_USTRORM_INTMEM +
4115
	       ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4116
	       U64_HI(section));
4117
	REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4118
		USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
E
Eliezer Tamir 已提交
4119 4120 4121

	for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4122
			 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4123 4124 4125 4126

	/* CSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    c_def_status_block);
4127
	def_sb->c_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4128 4129

	REG_WR(bp, BAR_CSTRORM_INTMEM +
4130
	       CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4131
	REG_WR(bp, BAR_CSTRORM_INTMEM +
4132
	       ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4133
	       U64_HI(section));
4134
	REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4135
		CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
E
Eliezer Tamir 已提交
4136 4137 4138

	for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4139
			 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4140 4141 4142 4143

	/* TSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    t_def_status_block);
4144
	def_sb->t_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4145 4146

	REG_WR(bp, BAR_TSTRORM_INTMEM +
4147
	       TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4148
	REG_WR(bp, BAR_TSTRORM_INTMEM +
4149
	       ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4150
	       U64_HI(section));
4151
	REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4152
		TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
E
Eliezer Tamir 已提交
4153 4154 4155

	for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_TSTRORM_INTMEM +
4156
			 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4157 4158 4159 4160

	/* XSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    x_def_status_block);
4161
	def_sb->x_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4162 4163

	REG_WR(bp, BAR_XSTRORM_INTMEM +
4164
	       XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4165
	REG_WR(bp, BAR_XSTRORM_INTMEM +
4166
	       ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4167
	       U64_HI(section));
4168
	REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4169
		XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
E
Eliezer Tamir 已提交
4170 4171 4172

	for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_XSTRORM_INTMEM +
4173
			 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4174

Y
Yitchak Gertner 已提交
4175
	bp->stats_pending = 0;
Y
Yitchak Gertner 已提交
4176
	bp->set_mac_pending = 0;
Y
Yitchak Gertner 已提交
4177

4178
	bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
4179 4180 4181 4182
}

static void bnx2x_update_coalesce(struct bnx2x *bp)
{
4183
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
4184 4185 4186
	int i;

	for_each_queue(bp, i) {
4187
		int sb_id = bp->fp[i].sb_id;
E
Eliezer Tamir 已提交
4188 4189 4190

		/* HC_INDEX_U_ETH_RX_CQ_CONS */
		REG_WR8(bp, BAR_USTRORM_INTMEM +
4191
			USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4192
						    U_SB_ETH_RX_CQ_INDEX),
4193
			bp->rx_ticks/12);
E
Eliezer Tamir 已提交
4194
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4195
			 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4196 4197 4198 4199 4200
						     U_SB_ETH_RX_CQ_INDEX),
			 bp->rx_ticks ? 0 : 1);
		REG_WR16(bp, BAR_USTRORM_INTMEM +
			 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
						     U_SB_ETH_RX_BD_INDEX),
4201
			 bp->rx_ticks ? 0 : 1);
E
Eliezer Tamir 已提交
4202 4203 4204

		/* HC_INDEX_C_ETH_TX_CQ_CONS */
		REG_WR8(bp, BAR_CSTRORM_INTMEM +
4205
			CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4206
						    C_SB_ETH_TX_CQ_INDEX),
4207
			bp->tx_ticks/12);
E
Eliezer Tamir 已提交
4208
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4209
			 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4210
						     C_SB_ETH_TX_CQ_INDEX),
4211
			 bp->tx_ticks ? 0 : 1);
E
Eliezer Tamir 已提交
4212 4213 4214
	}
}

4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239
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
4240 4241
static void bnx2x_init_rx_rings(struct bnx2x *bp)
{
4242
	int func = BP_FUNC(bp);
E
Eilon Greenstein 已提交
4243 4244 4245
	int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
					      ETH_MAX_AGGREGATION_QUEUES_E1H;
	u16 ring_prod, cqe_ring_prod;
E
Eliezer Tamir 已提交
4246 4247 4248 4249 4250 4251
	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;

4252 4253 4254 4255 4256 4257 4258
	if (bp->flags & TPA_ENABLE_FLAG) {
		DP(NETIF_MSG_IFUP,
		   "rx_buf_use_size %d  rx_buf_size %d  effective_mtu %d\n",
		   bp->rx_buf_use_size, bp->rx_buf_size,
		   bp->dev->mtu + ETH_OVREHEAD);

		for_each_queue(bp, j) {
E
Eilon Greenstein 已提交
4259
			struct bnx2x_fastpath *fp = &bp->fp[j];
4260

E
Eilon Greenstein 已提交
4261
			for (i = 0; i < max_agg_queues; i++) {
4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280
				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
4281 4282 4283 4284 4285
	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;
4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302
		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
4303

4304
		/* RX BD ring */
E
Eliezer Tamir 已提交
4305 4306 4307 4308 4309 4310
		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 +
4311
					    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
E
Eliezer Tamir 已提交
4312 4313
			rx_bd->addr_lo =
				cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4314
					    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
E
Eliezer Tamir 已提交
4315 4316
		}

4317
		/* CQ ring */
E
Eliezer Tamir 已提交
4318 4319 4320 4321 4322 4323 4324
		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 +
4325
					   BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
E
Eliezer Tamir 已提交
4326 4327
			nextpg->addr_lo =
				cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4328
					   BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
E
Eliezer Tamir 已提交
4329 4330
		}

4331 4332 4333
		/* 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
4334

4335 4336 4337 4338 4339 4340
			if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
				BNX2X_ERR("was only able to allocate "
					  "%d rx sges\n", i);
				BNX2X_ERR("disabling TPA for queue[%d]\n", j);
				/* Cleanup already allocated elements */
				bnx2x_free_rx_sge_range(bp, fp, ring_prod);
E
Eilon Greenstein 已提交
4341
				bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
4342 4343 4344 4345 4346 4347 4348 4349 4350
				fp->disable_tpa = 1;
				ring_prod = 0;
				break;
			}
			ring_prod = NEXT_SGE_IDX(ring_prod);
		}
		fp->rx_sge_prod = ring_prod;

		/* Allocate BDs and initialize BD ring */
Y
Yitchak Gertner 已提交
4351
		fp->rx_comp_cons = 0;
4352
		cqe_ring_prod = ring_prod = 0;
E
Eliezer Tamir 已提交
4353 4354 4355 4356
		for (i = 0; i < bp->rx_ring_size; i++) {
			if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
				BNX2X_ERR("was only able to allocate "
					  "%d rx skbs\n", i);
Y
Yitchak Gertner 已提交
4357
				bp->eth_stats.rx_skb_alloc_failed++;
E
Eliezer Tamir 已提交
4358 4359 4360
				break;
			}
			ring_prod = NEXT_RX_IDX(ring_prod);
4361
			cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
4362
			WARN_ON(ring_prod <= i);
E
Eliezer Tamir 已提交
4363 4364
		}

4365 4366 4367 4368
		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
4369 4370
		fp->rx_pkt = fp->rx_calls = 0;

4371 4372 4373 4374 4375 4376
		/* 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
4377 4378 4379 4380
		if (j != 0)
			continue;

		REG_WR(bp, BAR_USTRORM_INTMEM +
4381
		       USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
E
Eliezer Tamir 已提交
4382 4383
		       U64_LO(fp->rx_comp_mapping));
		REG_WR(bp, BAR_USTRORM_INTMEM +
4384
		       USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401
		       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 +
4402
					    BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
E
Eliezer Tamir 已提交
4403 4404
			tx_bd->addr_lo =
				cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4405
					    BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
E
Eliezer Tamir 已提交
4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418
		}

		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)
{
4419
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4420 4421 4422 4423 4424 4425 4426 4427 4428

	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;

4429
	REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
E
Eliezer Tamir 已提交
4430
	       U64_LO(bp->spq_mapping));
4431 4432
	REG_WR(bp,
	       XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4433 4434
	       U64_HI(bp->spq_mapping));

4435
	REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
E
Eliezer Tamir 已提交
4436 4437 4438 4439 4440 4441 4442 4443 4444 4445
	       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];
4446
		u8 sb_id = FP_SB_ID(fp);
E
Eliezer Tamir 已提交
4447 4448 4449 4450 4451 4452 4453 4454 4455

		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);
4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468
		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
4469
						U64_HI(fp->rx_desc_mapping);
4470
		context->ustorm_st_context.common.bd_page_base_lo =
E
Eliezer Tamir 已提交
4471
						U64_LO(fp->rx_desc_mapping);
4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483
		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
4484
		context->cstorm_st_context.sb_index_number =
4485
						C_SB_ETH_TX_CQ_INDEX;
4486
		context->cstorm_st_context.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500

		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)
{
4501
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
4502 4503 4504 4505 4506
	int i;

	if (!is_multi(bp))
		return;

4507
	DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
E
Eliezer Tamir 已提交
4508
	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4509 4510
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
			TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
E
Eliezer Tamir 已提交
4511 4512 4513 4514 4515
			i % bp->num_queues);

	REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
}

4516 4517 4518
static void bnx2x_set_client_config(struct bnx2x *bp)
{
	struct tstorm_eth_client_config tstorm_client = {0};
4519 4520
	int port = BP_PORT(bp);
	int i;
4521

4522
	tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Y
Yitchak Gertner 已提交
4523
	tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4524 4525 4526
	tstorm_client.config_flags =
				TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
#ifdef BCM_VLAN
4527
	if (bp->rx_mode && bp->vlgrp) {
4528 4529 4530 4531 4532 4533
		tstorm_client.config_flags |=
				TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
		DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
	}
#endif

4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545
	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;
	}

4546 4547
	for_each_queue(bp, i) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4548
		       TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4549 4550
		       ((u32 *)&tstorm_client)[0]);
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4551
		       TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4552 4553 4554
		       ((u32 *)&tstorm_client)[1]);
	}

4555 4556
	DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
	   ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4557 4558
}

E
Eliezer Tamir 已提交
4559 4560 4561
static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
{
	struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4562 4563 4564
	int mode = bp->rx_mode;
	int mask = (1 << BP_L_ID(bp));
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4565 4566
	int i;

4567
	DP(NETIF_MSG_IFUP, "rx mode %d  mask 0x%x\n", mode, mask);
E
Eliezer Tamir 已提交
4568 4569 4570

	switch (mode) {
	case BNX2X_RX_MODE_NONE: /* no Rx */
4571 4572 4573
		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
4574 4575
		break;
	case BNX2X_RX_MODE_NORMAL:
4576
		tstorm_mac_filter.bcast_accept_all = mask;
E
Eliezer Tamir 已提交
4577 4578
		break;
	case BNX2X_RX_MODE_ALLMULTI:
4579 4580
		tstorm_mac_filter.mcast_accept_all = mask;
		tstorm_mac_filter.bcast_accept_all = mask;
E
Eliezer Tamir 已提交
4581 4582
		break;
	case BNX2X_RX_MODE_PROMISC:
4583 4584 4585
		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
4586 4587
		break;
	default:
4588 4589
		BNX2X_ERR("BAD rx mode (%d)\n", mode);
		break;
E
Eliezer Tamir 已提交
4590 4591 4592 4593
	}

	for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4594
		       TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
E
Eliezer Tamir 已提交
4595 4596
		       ((u32 *)&tstorm_mac_filter)[i]);

4597
/*		DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
E
Eliezer Tamir 已提交
4598 4599 4600
		   ((u32 *)&tstorm_mac_filter)[i]); */
	}

4601 4602
	if (mode != BNX2X_RX_MODE_NONE)
		bnx2x_set_client_config(bp);
E
Eliezer Tamir 已提交
4603 4604
}

4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626
static void bnx2x_init_internal_common(struct bnx2x *bp)
{
	int i;

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

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

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

static void bnx2x_init_internal_func(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4627 4628 4629
{
	struct tstorm_eth_function_common_config tstorm_config = {0};
	struct stats_indication_flags stats_flags = {0};
4630 4631 4632
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
	int i;
4633
	u16 max_agg_size;
E
Eliezer Tamir 已提交
4634 4635 4636 4637 4638 4639

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

4640 4641
	tstorm_config.leading_client_id = BP_L_ID(bp);

E
Eliezer Tamir 已提交
4642
	REG_WR(bp, BAR_TSTRORM_INTMEM +
4643
	       TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
E
Eliezer Tamir 已提交
4644 4645
	       (*(u32 *)&tstorm_config));

E
Eliezer Tamir 已提交
4646
	bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
E
Eliezer Tamir 已提交
4647 4648
	bnx2x_set_storm_rx_mode(bp);

Y
Yitchak Gertner 已提交
4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662
	/* reset xstorm per client statistics */
	for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
		       i*4, 0);
	}
	/* reset tstorm per client statistics */
	for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
		       TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
		       i*4, 0);
	}

	/* Init statistics related context */
4663
	stats_flags.collect_eth = 1;
E
Eliezer Tamir 已提交
4664

Y
Yitchak Gertner 已提交
4665
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
E
Eliezer Tamir 已提交
4666
	       ((u32 *)&stats_flags)[0]);
Y
Yitchak Gertner 已提交
4667
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4668 4669
	       ((u32 *)&stats_flags)[1]);

Y
Yitchak Gertner 已提交
4670
	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
E
Eliezer Tamir 已提交
4671
	       ((u32 *)&stats_flags)[0]);
Y
Yitchak Gertner 已提交
4672
	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4673 4674
	       ((u32 *)&stats_flags)[1]);

Y
Yitchak Gertner 已提交
4675
	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
E
Eliezer Tamir 已提交
4676
	       ((u32 *)&stats_flags)[0]);
Y
Yitchak Gertner 已提交
4677
	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4678 4679
	       ((u32 *)&stats_flags)[1]);

Y
Yitchak Gertner 已提交
4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692
	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)));
4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703

	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));

4704 4705
		REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
			 bp->e1hov);
4706 4707
	}

4708 4709 4710 4711
	/* Init CQ ring mapping and aggregation size */
	max_agg_size = min((u32)(bp->rx_buf_use_size +
				 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
			   (u32)0xffff);
4712 4713 4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725
	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

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

		REG_WR16(bp, BAR_USTRORM_INTMEM +
			 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
			 max_agg_size);
	}
E
Eliezer Tamir 已提交
4726 4727
}

4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749
static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
{
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
		bnx2x_init_internal_common(bp);
		/* no break */

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

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
		bnx2x_init_internal_func(bp);
		break;

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

static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4750 4751 4752 4753 4754 4755
{
	int i;

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

4756
		fp->bp = bp;
E
Eliezer Tamir 已提交
4757 4758
		fp->state = BNX2X_FP_STATE_CLOSED;
		fp->index = i;
4759 4760 4761 4762 4763
		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));
4764 4765 4766
		bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
			      FP_SB_ID(fp));
		bnx2x_update_fpsb_idx(fp);
E
Eliezer Tamir 已提交
4767 4768
	}

4769 4770 4771
	bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
			  DEF_SB_ID);
	bnx2x_update_dsb_idx(bp);
E
Eliezer Tamir 已提交
4772 4773 4774 4775 4776
	bnx2x_update_coalesce(bp);
	bnx2x_init_rx_rings(bp);
	bnx2x_init_tx_ring(bp);
	bnx2x_init_sp_ring(bp);
	bnx2x_init_context(bp);
4777
	bnx2x_init_internal(bp, load_code);
E
Eliezer Tamir 已提交
4778
	bnx2x_init_ind_table(bp);
E
Eliezer Tamir 已提交
4779
	bnx2x_int_enable(bp);
E
Eliezer Tamir 已提交
4780 4781 4782 4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816
}

/* 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"
4817
	       " un-compression\n", bp->dev->name);
E
Eliezer Tamir 已提交
4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844
	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;

4845
#define FNAME				0x8
E
Eliezer Tamir 已提交
4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881

	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 */

/*
4882
 * General service functions
E
Eliezer Tamir 已提交
4883 4884 4885 4886 4887 4888 4889 4890 4891 4892
 */

/* 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;
4893
	wb_write[2] = 0x20;		/* SOP */
E
Eliezer Tamir 已提交
4894 4895 4896 4897 4898
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);

	/* NON-IP protocol */
	wb_write[0] = 0x09000000;
	wb_write[1] = 0x55555555;
4899
	wb_write[2] = 0x10;		/* EOP, eop_bvalid = 0 */
E
Eliezer Tamir 已提交
4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912
	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;

4913
	if (CHIP_REV_IS_FPGA(bp))
E
Eliezer Tamir 已提交
4914
		factor = 120;
4915 4916 4917
	else if (CHIP_REV_IS_EMUL(bp))
		factor = 200;
	else
E
Eliezer Tamir 已提交
4918 4919 4920 4921 4922 4923 4924 4925
		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);
4926
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937

	/*  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) {
4938

E
Eliezer Tamir 已提交
4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967
		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 */
4968
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
E
Eliezer Tamir 已提交
4969
	msleep(50);
4970
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
E
Eliezer Tamir 已提交
4971 4972 4973 4974 4975 4976 4977 4978 4979 4980
	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);
4981
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993

	/* 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) {
4994

E
Eliezer Tamir 已提交
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 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5047
		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);
5048
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
E
Eliezer Tamir 已提交
5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065

	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);
5066 5067
/*	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
5068 5069 5070
	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);
5071 5072
/*	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
5073 5074 5075 5076
	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);
5077 5078 5079 5080 5081 5082
/*	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
5083 5084 5085
	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);
5086 5087
/*	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
5088 5089
	REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
	REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5090 5091
/*	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
5092 5093
}

5094 5095

static int bnx2x_init_common(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5096 5097 5098
{
	u32 val, i;

5099
	DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_FUNC(bp));
E
Eliezer Tamir 已提交
5100

5101 5102
	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
5103

5104 5105 5106
	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
5107

5108 5109 5110
	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
5111

5112 5113 5114 5115 5116 5117
	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
5118

5119 5120
	bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
	bnx2x_init_pxp(bp);
E
Eliezer Tamir 已提交
5121 5122

#ifdef __BIG_ENDIAN
5123 5124 5125 5126 5127 5128 5129 5130 5131 5132 5133 5134
	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
5135 5136
#endif

5137
	REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
E
Eliezer Tamir 已提交
5138
#ifdef BCM_ISCSI
5139 5140 5141
	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
5142 5143
#endif

5144 5145
	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
5146

5147 5148 5149 5150 5151 5152 5153 5154 5155 5156 5157 5158 5159
	/* 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
5160

5161 5162
	REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
	REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
E
Eliezer Tamir 已提交
5163

5164
	bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
E
Eliezer Tamir 已提交
5165

5166 5167 5168
	/* clean the DMAE memory */
	bp->dmae_ready = 1;
	bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
E
Eliezer Tamir 已提交
5169

5170 5171 5172 5173
	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
5174

5175 5176 5177 5178 5179 5180 5181 5182 5183
	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
5184 5185

#ifdef BCM_ISCSI
5186
	bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
E
Eliezer Tamir 已提交
5187 5188
#endif

5189 5190 5191 5192 5193 5194
	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
5195

5196 5197 5198 5199 5200 5201 5202 5203
	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
5204

5205
	bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5206 5207
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
5208 5209
	if (CHIP_IS_E1H(bp))
		REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
E
Eliezer Tamir 已提交
5210

5211 5212 5213 5214
	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
5215

5216 5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237
	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 */
5238 5239 5240 5241 5242 5243 5244 5245
		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);
5246
	}
E
Eliezer Tamir 已提交
5247

5248 5249 5250 5251
	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
5252

5253 5254 5255 5256 5257
	/* 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
5258

5259 5260 5261
	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
5262

5263 5264 5265 5266 5267 5268 5269 5270
	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
5271

5272 5273 5274 5275
	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
5276

5277 5278 5279 5280 5281 5282 5283 5284
	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
5285

5286 5287
	bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
	REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
E
Eliezer Tamir 已提交
5288

5289 5290
	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
5291

5292 5293 5294 5295
	/* 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
5296

5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327
	/* 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
5328

5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348
	/* 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
5349
					MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5350
		REG_WR(bp, MISC_REG_SPIO_INT, val);
E
Eliezer Tamir 已提交
5351

5352 5353 5354 5355 5356
		/* 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
5357

5358 5359 5360
	default:
		break;
	}
E
Eliezer Tamir 已提交
5361

5362 5363
	/* clear PXP2 attentions */
	REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
E
Eliezer Tamir 已提交
5364

5365
	enable_blocks_attention(bp);
E
Eliezer Tamir 已提交
5366

5367 5368 5369 5370 5371 5372 5373 5374 5375 5376 5377
	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]);
	}

Y
Yaniv Rosner 已提交
5378 5379 5380 5381 5382 5383 5384
	if (!BP_NOMCP(bp)) {
		bnx2x_acquire_phy_lock(bp);
		bnx2x_common_init_phy(bp, bp->common.shmem_base);
		bnx2x_release_phy_lock(bp);
	} else
		BNX2X_ERR("Bootcode is missing - can not initialize link\n");

5385 5386
	return 0;
}
E
Eliezer Tamir 已提交
5387

5388 5389 5390 5391
static int bnx2x_init_port(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;
E
Eliezer Tamir 已提交
5392

5393 5394 5395
	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
5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423

	/* 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
5424
	/* Port CMs come here */
E
Eliezer Tamir 已提交
5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435

	/* 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 */
5436
	/* Port PRS comes here */
E
Eliezer Tamir 已提交
5437 5438 5439 5440
	/* Port TSDM comes here */
	/* Port CSDM comes here */
	/* Port USDM comes here */
	/* Port XSDM comes here */
5441 5442 5443 5444 5445 5446 5447 5448
	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
5449
	/* Port UPB comes here */
5450 5451 5452 5453
	/* 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
5454 5455

	/* configure PBF to work without PAUSE mtu 9000 */
5456
	REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
E
Eliezer Tamir 已提交
5457 5458

	/* update threshold */
5459
	REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
E
Eliezer Tamir 已提交
5460
	/* update init credit */
5461
	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
E
Eliezer Tamir 已提交
5462 5463

	/* probe changes */
5464
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
E
Eliezer Tamir 已提交
5465
	msleep(5);
5466
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
E
Eliezer Tamir 已提交
5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479 5480 5481 5482 5483

#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 */
5484 5485 5486 5487 5488 5489 5490 5491 5492

	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
5493
				    MISC_AEU_PORT0_START,
5494 5495 5496 5497 5498 5499 5500 5501
			     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
5502 5503 5504 5505 5506
	/* Port PXPCS comes here */
	/* Port EMAC0 comes here */
	/* Port EMAC1 comes here */
	/* Port DBU comes here */
	/* Port DBG comes here */
5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530
	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
5531 5532 5533
	/* Port MCP comes here */
	/* Port DMAE comes here */

5534
	switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
E
Eliezer Tamir 已提交
5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545
	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
5546
	bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
5547

5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616
	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
5617
	/* Reset PCIE errors for debug */
E
Eliezer Tamir 已提交
5618 5619 5620
	REG_WR(bp, 0x2114, 0xffffffff);
	REG_WR(bp, 0x2120, 0xffffffff);

5621 5622 5623 5624 5625 5626
	return 0;
}

static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
{
	int i, rc = 0;
E
Eliezer Tamir 已提交
5627

5628 5629
	DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
	   BP_FUNC(bp), load_code);
E
Eliezer Tamir 已提交
5630

5631 5632 5633
	bp->dmae_ready = 0;
	mutex_init(&bp->dmae_mutex);
	bnx2x_gunzip_init(bp);
E
Eliezer Tamir 已提交
5634

5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661 5662
	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
5663 5664

		bp->fw_drv_pulse_wr_seq =
5665
				(SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
E
Eliezer Tamir 已提交
5666
				 DRV_PULSE_SEQ_MASK);
5667 5668 5669 5670 5671
		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
5672

5673 5674 5675 5676 5677 5678 5679 5680 5681
	/* 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
5682 5683
}

E
Eliezer Tamir 已提交
5684
/* send the MCP a request, block until there is a reply */
E
Eliezer Tamir 已提交
5685 5686
static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
{
5687
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
5688 5689
	u32 seq = ++bp->fw_seq;
	u32 rc = 0;
5690 5691
	u32 cnt = 1;
	u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
E
Eliezer Tamir 已提交
5692

5693
	SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
E
Eliezer Tamir 已提交
5694
	DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
E
Eliezer Tamir 已提交
5695

5696 5697 5698
	do {
		/* let the FW do it's magic ... */
		msleep(delay);
E
Eliezer Tamir 已提交
5699

5700
		rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
E
Eliezer Tamir 已提交
5701

5702 5703 5704 5705 5706
		/* Give the FW up to 2 second (200*10ms) */
	} while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));

	DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
	   cnt*delay, rc, seq);
E
Eliezer Tamir 已提交
5707 5708 5709 5710

	/* 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
5711

E
Eliezer Tamir 已提交
5712 5713 5714 5715 5716 5717
	} else {
		/* FW BUG! */
		BNX2X_ERR("FW failed to respond!\n");
		bnx2x_fw_dump(bp);
		rc = 0;
	}
E
Eliezer Tamir 已提交
5718

E
Eliezer Tamir 已提交
5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768
	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);

5769
		/* SGE ring */
E
Eilon Greenstein 已提交
5770
		BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5771 5772 5773 5774
		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
5775 5776 5777
	/* end of fastpath */

	BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5778
		       sizeof(struct host_def_status_block));
E
Eliezer Tamir 已提交
5779 5780

	BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5781
		       sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5782 5783 5784 5785 5786 5787 5788

#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
5789
	BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
E
Eliezer Tamir 已提交
5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846 5847 5848 5849 5850

#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);

5851 5852 5853 5854 5855 5856
		/* 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
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
	}
	/* 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
5884
	/* now fixup the last line in the block to point to the next block */
E
Eliezer Tamir 已提交
5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946
	*(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);
		}
5947
		if (!fp->disable_tpa)
E
Eilon Greenstein 已提交
5948 5949
			bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
					    ETH_MAX_AGGREGATION_QUEUES_E1 :
5950
					    ETH_MAX_AGGREGATION_QUEUES_E1H);
E
Eliezer Tamir 已提交
5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961
	}
}

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)
{
5962
	int i, offset = 1;
E
Eliezer Tamir 已提交
5963 5964

	free_irq(bp->msix_table[0].vector, bp->dev);
E
Eliezer Tamir 已提交
5965
	DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
E
Eliezer Tamir 已提交
5966 5967 5968
	   bp->msix_table[0].vector);

	for_each_queue(bp, i) {
E
Eliezer Tamir 已提交
5969
		DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq  "
5970
		   "state %x\n", i, bp->msix_table[i + offset].vector,
E
Eliezer Tamir 已提交
5971 5972
		   bnx2x_fp(bp, i, state));

5973 5974 5975
		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
5976

5977
		free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
E
Eliezer Tamir 已提交
5978 5979 5980 5981 5982 5983 5984 5985 5986 5987 5988 5989 5990 5991 5992 5993
	}
}

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)
{
5994
	int i, rc, offset;
E
Eliezer Tamir 已提交
5995 5996

	bp->msix_table[0].entry = 0;
5997 5998
	offset = 1;
	DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
E
Eliezer Tamir 已提交
5999

6000 6001
	for_each_queue(bp, i) {
		int igu_vec = offset + i + BP_L_ID(bp);
E
Eliezer Tamir 已提交
6002

6003 6004 6005
		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
6006 6007
	}

6008 6009 6010 6011 6012 6013
	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
6014 6015 6016 6017 6018 6019 6020
	bp->flags |= USING_MSIX_FLAG;

	return 0;
}

static int bnx2x_req_msix_irqs(struct bnx2x *bp)
{
6021
	int i, rc, offset = 1;
E
Eliezer Tamir 已提交
6022 6023 6024 6025 6026 6027 6028 6029 6030

	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) {
6031
		rc = request_irq(bp->msix_table[i + offset].vector,
E
Eliezer Tamir 已提交
6032 6033 6034
				 bnx2x_msix_fp_int, 0,
				 bp->dev->name, &bp->fp[i]);
		if (rc) {
6035 6036
			BNX2X_ERR("request fp #%d irq failed  rc -%d\n",
				  i + offset, -rc);
E
Eliezer Tamir 已提交
6037 6038 6039 6040 6041 6042 6043 6044 6045 6046 6047 6048
			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)
{
6049
	int rc;
E
Eliezer Tamir 已提交
6050

6051 6052
	rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
			 bp->dev->name, bp->dev);
E
Eliezer Tamir 已提交
6053 6054 6055 6056 6057 6058 6059 6060 6061 6062
	if (!rc)
		bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;

	return rc;
}

/*
 * Init service functions
 */

6063
static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
E
Eliezer Tamir 已提交
6064 6065
{
	struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6066
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6067 6068 6069 6070 6071 6072

	/* CAM allocation
	 * unicasts 0-31:port0 32-63:port1
	 * multicast 64-127:port0 128-191:port1
	 */
	config->hdr.length_6b = 2;
6073 6074
	config->hdr.offset = port ? 31 : 0;
	config->hdr.client_id = BP_CL_ID(bp);
E
Eliezer Tamir 已提交
6075 6076 6077 6078 6079 6080 6081 6082 6083
	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]);
6084
	config->config_table[0].cam_entry.flags = cpu_to_le16(port);
6085 6086 6087 6088
	if (set)
		config->config_table[0].target_table_entry.flags = 0;
	else
		CAM_INVALIDATE(config->config_table[0]);
E
Eliezer Tamir 已提交
6089 6090 6091
	config->config_table[0].target_table_entry.client_id = 0;
	config->config_table[0].target_table_entry.vlan_id = 0;

6092 6093
	DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
	   (set ? "setting" : "clearing"),
E
Eliezer Tamir 已提交
6094 6095 6096 6097 6098 6099 6100 6101
	   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;
6102
	config->config_table[1].cam_entry.flags = cpu_to_le16(port);
6103 6104
	if (set)
		config->config_table[1].target_table_entry.flags =
E
Eliezer Tamir 已提交
6105
				TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6106 6107
	else
		CAM_INVALIDATE(config->config_table[1]);
E
Eliezer Tamir 已提交
6108 6109 6110 6111 6112 6113 6114 6115
	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);
}

6116
static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
6117 6118 6119 6120
{
	struct mac_configuration_cmd_e1h *config =
		(struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);

6121
	if (set && (bp->state != BNX2X_STATE_OPEN)) {
6122 6123 6124 6125 6126 6127 6128 6129 6130 6131 6132 6133 6134 6135 6136 6137 6138 6139 6140 6141 6142 6143 6144
		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);
6145 6146 6147 6148 6149
	if (set)
		config->config_table[0].flags = BP_PORT(bp);
	else
		config->config_table[0].flags =
				MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
6150

6151 6152
	DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)  E1HOV %d  CLID %d\n",
	   (set ? "setting" : "clearing"),
6153 6154 6155 6156 6157 6158 6159 6160 6161
	   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
6162 6163 6164 6165
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 */
6166
	int cnt = 500;
E
Eliezer Tamir 已提交
6167

E
Eliezer Tamir 已提交
6168 6169
	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
6170 6171

	might_sleep();
6172
	while (cnt--) {
E
Eliezer Tamir 已提交
6173 6174
		if (poll) {
			bnx2x_rx_int(bp->fp, 10);
6175 6176
			/* if index is different from 0
			 * the reply for some commands will
6177
			 * be on the non default queue
E
Eliezer Tamir 已提交
6178 6179 6180 6181 6182
			 */
			if (idx)
				bnx2x_rx_int(&bp->fp[idx], 10);
		}

6183
		mb(); /* state is changed by bnx2x_sp_event() */
6184
		if (*state_p == state)
E
Eliezer Tamir 已提交
6185 6186 6187 6188 6189 6190
			return 0;

		msleep(1);
	}

	/* timeout! */
6191 6192
	BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
		  poll ? "polling" : "waiting", state, idx);
6193 6194 6195
#ifdef BNX2X_STOP_ON_ERROR
	bnx2x_panic();
#endif
E
Eliezer Tamir 已提交
6196

6197
	return -EBUSY;
E
Eliezer Tamir 已提交
6198 6199 6200 6201
}

static int bnx2x_setup_leading(struct bnx2x *bp)
{
6202
	int rc;
E
Eliezer Tamir 已提交
6203

E
Eliezer Tamir 已提交
6204
	/* reset IGU state */
6205
	bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6206 6207 6208 6209

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

6210 6211
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
E
Eliezer Tamir 已提交
6212

6213
	return rc;
E
Eliezer Tamir 已提交
6214 6215 6216 6217 6218
}

static int bnx2x_setup_multi(struct bnx2x *bp, int index)
{
	/* reset IGU state */
6219
	bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6220

6221
	/* SETUP ramrod */
E
Eliezer Tamir 已提交
6222 6223 6224 6225 6226
	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,
6227
				 &(bp->fp[index].state), 0);
E
Eliezer Tamir 已提交
6228 6229 6230 6231 6232
}

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

6233 6234
/* must be called with rtnl_lock */
static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
E
Eliezer Tamir 已提交
6235
{
6236
	u32 load_code;
6237 6238 6239 6240 6241
	int i, rc;
#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return -EPERM;
#endif
E
Eliezer Tamir 已提交
6242 6243 6244

	bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;

6245 6246 6247 6248
	/* 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
6249
	*/
6250
	if (!BP_NOMCP(bp)) {
6251 6252
		load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
		if (!load_code) {
6253
			BNX2X_ERR("MCP response failure, aborting\n");
6254 6255
			return -EBUSY;
		}
6256
		if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
E
Eliezer Tamir 已提交
6257
			return -EBUSY; /* other port in diagnostic mode */
6258

E
Eliezer Tamir 已提交
6259
	} else {
6260 6261
		int port = BP_PORT(bp);

6262 6263 6264
		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]++;
6265
		load_count[1 + port]++;
6266 6267 6268 6269
		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;
6270
		else if (load_count[1 + port] == 1)
6271 6272 6273
			load_code = FW_MSG_CODE_DRV_LOAD_PORT;
		else
			load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
E
Eliezer Tamir 已提交
6274 6275
	}

6276 6277 6278 6279 6280 6281 6282 6283 6284
	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
6285 6286
	 * and fallback to inta with one fp
	 */
6287 6288 6289 6290 6291 6292 6293 6294 6295 6296 6297 6298
	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
6299
			bp->num_queues = 1;
6300 6301 6302 6303 6304 6305 6306

		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
6307 6308
		}
	}
6309 6310
	DP(NETIF_MSG_IFUP,
	   "set number of queues to %d\n", bp->num_queues);
E
Eliezer Tamir 已提交
6311

E
Eliezer Tamir 已提交
6312 6313 6314
	if (bnx2x_alloc_mem(bp))
		return -ENOMEM;

6315 6316 6317 6318
	for_each_queue(bp, i)
		bnx2x_fp(bp, i, disable_tpa) =
					((bp->flags & TPA_ENABLE_FLAG) == 0);

6319 6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330
	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
6331 6332 6333 6334 6335 6336 6337 6338
		}
	}

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

	/* Initialize HW */
6339 6340
	rc = bnx2x_init_hw(bp, load_code);
	if (rc) {
E
Eliezer Tamir 已提交
6341
		BNX2X_ERR("HW init failed, aborting\n");
6342
		goto load_error;
E
Eliezer Tamir 已提交
6343 6344 6345
	}

	/* Setup NIC internals and enable interrupts */
6346
	bnx2x_nic_init(bp, load_code);
E
Eliezer Tamir 已提交
6347 6348

	/* Send LOAD_DONE command to MCP */
6349
	if (!BP_NOMCP(bp)) {
6350 6351
		load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
		if (!load_code) {
6352
			BNX2X_ERR("MCP response failure, aborting\n");
6353
			rc = -EBUSY;
6354
			goto load_int_disable;
E
Eliezer Tamir 已提交
6355 6356 6357
		}
	}

Y
Yitchak Gertner 已提交
6358 6359
	bnx2x_stats_init(bp);

E
Eliezer Tamir 已提交
6360 6361 6362 6363 6364 6365 6366
	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));

6367 6368 6369
	/* Enable interrupt handling */
	atomic_set(&bp->intr_sem, 0);

6370 6371
	rc = bnx2x_setup_leading(bp);
	if (rc) {
6372
		BNX2X_ERR("Setup leading failed!\n");
6373
		goto load_stop_netif;
6374
	}
E
Eliezer Tamir 已提交
6375

6376 6377 6378 6379 6380
	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
6381

6382 6383 6384 6385 6386 6387
	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
6388

6389
	if (CHIP_IS_E1(bp))
6390
		bnx2x_set_mac_addr_e1(bp, 1);
6391
	else
6392
		bnx2x_set_mac_addr_e1h(bp, 1);
6393 6394 6395

	if (bp->port.pmf)
		bnx2x_initial_phy_init(bp);
E
Eliezer Tamir 已提交
6396 6397

	/* Start fast path */
6398 6399 6400 6401 6402 6403 6404 6405
	switch (load_mode) {
	case LOAD_NORMAL:
		/* Tx queue should be only reenabled */
		netif_wake_queue(bp->dev);
		bnx2x_set_rx_mode(bp->dev);
		break;

	case LOAD_OPEN:
E
Eliezer Tamir 已提交
6406
		netif_start_queue(bp->dev);
6407
		bnx2x_set_rx_mode(bp->dev);
E
Eliezer Tamir 已提交
6408 6409 6410
		if (bp->flags & USING_MSIX_FLAG)
			printk(KERN_INFO PFX "%s: using MSI-X\n",
			       bp->dev->name);
6411
		break;
E
Eliezer Tamir 已提交
6412

6413
	case LOAD_DIAG:
E
Eliezer Tamir 已提交
6414
		bnx2x_set_rx_mode(bp->dev);
6415 6416 6417 6418 6419
		bp->state = BNX2X_STATE_DIAG;
		break;

	default:
		break;
E
Eliezer Tamir 已提交
6420 6421
	}

6422 6423 6424
	if (!bp->port.pmf)
		bnx2x__link_status_update(bp);

E
Eliezer Tamir 已提交
6425 6426 6427
	/* start the timer */
	mod_timer(&bp->timer, jiffies + bp->current_interval);

6428

E
Eliezer Tamir 已提交
6429 6430
	return 0;

6431
load_stop_netif:
E
Eliezer Tamir 已提交
6432 6433 6434
	for_each_queue(bp, i)
		napi_disable(&bnx2x_fp(bp, i, napi));

6435
load_int_disable:
E
Eliezer Tamir 已提交
6436
	bnx2x_int_disable_sync(bp);
E
Eliezer Tamir 已提交
6437

6438
	/* Release IRQs */
E
Eliezer Tamir 已提交
6439 6440
	bnx2x_free_irq(bp);

6441 6442 6443
	/* Free SKBs, SGEs, TPA pool and driver internals */
	bnx2x_free_skbs(bp);
	for_each_queue(bp, i)
6444
		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6445
load_error:
E
Eliezer Tamir 已提交
6446 6447 6448 6449
	bnx2x_free_mem(bp);

	/* TBD we really need to reset the chip
	   if we want to recover from this */
6450
	return rc;
E
Eliezer Tamir 已提交
6451 6452 6453 6454 6455 6456
}

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

E
Eliezer Tamir 已提交
6457
	/* halt the connection */
E
Eliezer Tamir 已提交
6458 6459 6460
	bp->fp[index].state = BNX2X_FP_STATE_HALTING;
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);

6461
	/* Wait for completion */
E
Eliezer Tamir 已提交
6462
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6463
			       &(bp->fp[index].state), 1);
E
Eliezer Tamir 已提交
6464
	if (rc) /* timeout */
E
Eliezer Tamir 已提交
6465 6466 6467 6468 6469
		return rc;

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

6470 6471 6472 6473
	/* 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
6474 6475
}

6476
static int bnx2x_stop_leading(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6477
{
6478
	u16 dsb_sp_prod_idx;
E
Eliezer Tamir 已提交
6479
	/* if the other port is handling traffic,
E
Eliezer Tamir 已提交
6480
	   this can take a lot of time */
6481 6482
	int cnt = 500;
	int rc;
E
Eliezer Tamir 已提交
6483 6484 6485 6486 6487

	might_sleep();

	/* Send HALT ramrod */
	bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6488
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
E
Eliezer Tamir 已提交
6489

6490 6491 6492 6493
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
			       &(bp->fp[0].state), 1);
	if (rc) /* timeout */
6494
		return rc;
E
Eliezer Tamir 已提交
6495

6496
	dsb_sp_prod_idx = *bp->dsb_sp_prod;
E
Eliezer Tamir 已提交
6497

6498
	/* Send PORT_DELETE ramrod */
E
Eliezer Tamir 已提交
6499 6500
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);

6501
	/* Wait for completion to arrive on default status block
E
Eliezer Tamir 已提交
6502 6503 6504
	   we are going to reset the chip anyway
	   so there is not much to do if this times out
	 */
6505 6506 6507 6508 6509 6510 6511
	while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
		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();
6512 6513
#else
			rc = -EBUSY;
6514 6515 6516 6517
#endif
			break;
		}
		cnt--;
6518
		msleep(1);
6519 6520 6521
	}
	bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
	bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6522 6523

	return rc;
E
Eliezer Tamir 已提交
6524 6525
}

6526 6527 6528 6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557 6558 6559 6560 6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597
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;
6598

6599 6600 6601 6602 6603 6604 6605 6606
	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
6607
{
6608
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6609
	u32 reset_code = 0;
6610
	int i, cnt, rc;
E
Eliezer Tamir 已提交
6611 6612 6613

	bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;

6614 6615
	bp->rx_mode = BNX2X_RX_MODE_NONE;
	bnx2x_set_storm_rx_mode(bp);
E
Eliezer Tamir 已提交
6616

6617 6618 6619 6620 6621
	if (netif_running(bp->dev)) {
		netif_tx_disable(bp->dev);
		bp->dev->trans_start = jiffies;	/* prevent tx timeout */
	}

6622 6623 6624
	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
6625
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6626

6627
	/* Wait until tx fast path tasks complete */
6628 6629 6630
	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

6631 6632
		cnt = 1000;
		smp_rmb();
6633 6634 6635 6636 6637
		while (BNX2X_HAS_TX_WORK(fp)) {

			if (!netif_running(bp->dev))
				bnx2x_tx_int(fp, 1000);

6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648
			if (!cnt) {
				BNX2X_ERR("timeout waiting for queue[%d]\n",
					  i);
#ifdef BNX2X_STOP_ON_ERROR
				bnx2x_panic();
				return -EBUSY;
#else
				break;
#endif
			}
			cnt--;
6649
			msleep(1);
6650 6651
			smp_rmb();
		}
6652
	}
E
Eliezer Tamir 已提交
6653

6654 6655
	/* Give HW time to discard old tx messages */
	msleep(1);
E
Eliezer Tamir 已提交
6656

6657 6658 6659 6660
	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
6661

6662 6663 6664
	/* Release IRQs */
	bnx2x_free_irq(bp);

6665 6666 6667 6668
	if (unload_mode == UNLOAD_NORMAL)
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

	else if (bp->flags & NO_WOL_FLAG) {
E
Eliezer Tamir 已提交
6669
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6670 6671
		if (CHIP_IS_E1H(bp))
			REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6672

6673 6674
	} else if (bp->wol) {
		u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eliezer Tamir 已提交
6675
		u8 *mac_addr = bp->dev->dev_addr;
6676 6677 6678
		u32 val;
		/* The mac address is written to entries 1-4 to
		   preserve entry 0 which is used by the PMF */
6679 6680
		u8 entry = (BP_E1HVN(bp) + 1)*8;

E
Eliezer Tamir 已提交
6681
		val = (mac_addr[0] << 8) | mac_addr[1];
6682
		EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
E
Eliezer Tamir 已提交
6683 6684 6685

		val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
		      (mac_addr[4] << 8) | mac_addr[5];
6686
		EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
E
Eliezer Tamir 已提交
6687 6688

		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6689

E
Eliezer Tamir 已提交
6690 6691 6692
	} else
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

6693 6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717 6718 6719 6720
	if (CHIP_IS_E1(bp)) {
		struct mac_configuration_cmd *config =
						bnx2x_sp(bp, mcast_config);

		bnx2x_set_mac_addr_e1(bp, 0);

		for (i = 0; i < config->hdr.length_6b; i++)
			CAM_INVALIDATE(config->config_table[i]);

		config->hdr.length_6b = i;
		if (CHIP_REV_IS_SLOW(bp))
			config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
		else
			config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
		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 */
		bnx2x_set_mac_addr_e1h(bp, 0);

		for (i = 0; i < MC_HASH_SIZE; i++)
			REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
	}

6721 6722 6723
	if (CHIP_IS_E1H(bp))
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);

6724 6725
	/* Close multi and leading connections
	   Completions for ramrods are collected in a synchronous way */
E
Eliezer Tamir 已提交
6726 6727
	for_each_nondefault_queue(bp, i)
		if (bnx2x_stop_multi(bp, i))
6728
			goto unload_error;
E
Eliezer Tamir 已提交
6729

6730 6731
	rc = bnx2x_stop_leading(bp);
	if (rc) {
6732
		BNX2X_ERR("Stop leading failed!\n");
6733
#ifdef BNX2X_STOP_ON_ERROR
6734
		return -EBUSY;
6735 6736
#else
		goto unload_error;
6737
#endif
6738 6739 6740
	}

unload_error:
6741
	if (!BP_NOMCP(bp))
6742
		reset_code = bnx2x_fw_command(bp, reset_code);
6743 6744 6745 6746
	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]--;
6747
		load_count[1 + port]--;
6748 6749 6750 6751
		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;
6752
		else if (load_count[1 + port] == 0)
6753 6754 6755 6756
			reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
		else
			reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
	}
E
Eliezer Tamir 已提交
6757

6758 6759 6760
	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
6761 6762

	/* Reset the chip */
6763
	bnx2x_reset_chip(bp, reset_code);
E
Eliezer Tamir 已提交
6764 6765

	/* Report UNLOAD_DONE to MCP */
6766
	if (!BP_NOMCP(bp))
E
Eliezer Tamir 已提交
6767 6768
		bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);

6769
	/* Free SKBs, SGEs, TPA pool and driver internals */
E
Eliezer Tamir 已提交
6770
	bnx2x_free_skbs(bp);
6771
	for_each_queue(bp, i)
6772
		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
E
Eliezer Tamir 已提交
6773 6774 6775
	bnx2x_free_mem(bp);

	bp->state = BNX2X_STATE_CLOSED;
6776

E
Eliezer Tamir 已提交
6777 6778 6779 6780 6781
	netif_carrier_off(bp->dev);

	return 0;
}

6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793 6794 6795 6796 6797 6798 6799 6800 6801 6802 6803 6804
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
6805 6806 6807 6808 6809 6810 6811 6812
/* end of nic load/unload */

/* ethtool_ops */

/*
 * Init service functions
 */

6813 6814 6815 6816 6817 6818 6819 6820 6821 6822
static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
{
	u32 val;

	/* Check if there is any driver already loaded */
	val = REG_RD(bp, MISC_REG_UNPREPARED);
	if (val == 0x1) {
		/* Check if it is the UNDI driver
		 * UNDI driver initializes CID offset for normal bell to 0x7
		 */
Y
Yitchak Gertner 已提交
6823
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6824 6825 6826
		val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
		if (val == 0x7) {
			u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6827
			/* save our func */
6828
			int func = BP_FUNC(bp);
6829 6830
			u32 swap_en;
			u32 swap_val;
6831 6832 6833 6834 6835

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

			/* try unload UNDI on port 0 */
			bp->func = 0;
6836 6837 6838
			bp->fw_seq =
			       (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
				DRV_MSG_SEQ_NUMBER_MASK);
6839 6840 6841 6842 6843
			reset_code = bnx2x_fw_command(bp, reset_code);

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

6844 6845 6846 6847
				/* send "DONE" for previous unload */
				bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);

				/* unload UNDI on port 1 */
6848
				bp->func = 1;
6849 6850 6851 6852 6853 6854
				bp->fw_seq =
			       (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
					DRV_MSG_SEQ_NUMBER_MASK);
				reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

				bnx2x_fw_command(bp, reset_code);
6855 6856
			}

6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868 6869 6870 6871 6872 6873 6874 6875 6876 6877 6878
			REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
				    HC_REG_CONFIG_0), 0x1000);

			/* close input traffic and wait for it */
			/* Do not rcv packets to BRB */
			REG_WR(bp,
			      (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
					     NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
			/* Do not direct rcv packets that are not for MCP to
			 * the BRB */
			REG_WR(bp,
			       (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
					      NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
			/* clear AEU */
			REG_WR(bp,
			     (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
					    MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
			msleep(10);

			/* save NIG port swap info */
			swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
			swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6879 6880 6881
			/* reset device */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6882
			       0xd3ffffff);
6883 6884 6885
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
			       0x1403);
6886 6887 6888 6889 6890 6891 6892 6893 6894 6895 6896 6897 6898 6899 6900
			/* take the NIG out of reset and restore swap values */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
			       MISC_REGISTERS_RESET_REG_1_RST_NIG);
			REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
			REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);

			/* send unload done to the MCP */
			bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);

			/* restore our func and fw_seq */
			bp->func = func;
			bp->fw_seq =
			       (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
				DRV_MSG_SEQ_NUMBER_MASK);
6901
		}
Y
Yitchak Gertner 已提交
6902
		bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6903 6904 6905 6906 6907 6908
	}
}

static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
{
	u32 val, val2, val3, val4, id;
E
Eilon Greenstein 已提交
6909
	u16 pmc;
6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926 6927 6928 6929 6930 6931 6932 6933 6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965 6966

	/* 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);
	}
E
Eilon Greenstein 已提交
6967 6968 6969 6970 6971 6972 6973 6974 6975 6976

	if (BP_E1HVN(bp) == 0) {
		pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
		bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
	} else {
		/* no WOL capability for E1HVN != 0 */
		bp->flags |= NO_WOL_FLAG;
	}
	BNX2X_DEV_INFO("%sWoL capable\n",
		       (bp->flags & NO_WOL_FLAG) ? "Not " : "");
6977 6978 6979 6980 6981 6982 6983 6984 6985 6986 6987 6988

	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
6989
{
6990
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6991 6992 6993 6994 6995 6996
	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
6997 6998
		ext_phy_type =
			SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
6999 7000 7001 7002 7003
		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);

7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014
			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
7015 7016 7017 7018 7019 7020
			break;

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

7021 7022 7023 7024 7025 7026 7027 7028 7029 7030
			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
7031 7032 7033 7034 7035
			break;

		default:
			BNX2X_ERR("NVRAM config error. "
				  "BAD SerDes ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
7036
				  bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7037 7038 7039
			return;
		}

7040 7041 7042
		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
7043 7044 7045 7046 7047
		break;

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

Y
Yaniv Rosner 已提交
7048 7049
		ext_phy_type =
			XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7050 7051 7052 7053 7054
		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);

7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065 7066
			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
7067 7068 7069
			break;

		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
E
Eliezer Tamir 已提交
7070
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7071
				       ext_phy_type);
E
Eliezer Tamir 已提交
7072

7073 7074 7075 7076
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7077 7078
			break;

E
Eliezer Tamir 已提交
7079
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
E
Eliezer Tamir 已提交
7080 7081 7082
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
				       ext_phy_type);

7083 7084 7085 7086 7087
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7088 7089 7090 7091
			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
7092 7093
				       ext_phy_type);

7094 7095 7096 7097 7098 7099
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7100 7101
			break;

Y
Yaniv Rosner 已提交
7102 7103 7104 7105
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
				       ext_phy_type);

7106 7107 7108 7109 7110 7111 7112
			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
7113 7114
			break;

E
Eliezer Tamir 已提交
7115 7116 7117 7118
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
				       ext_phy_type);

7119 7120 7121 7122 7123
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_TP |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7124 7125
			break;

Y
Yaniv Rosner 已提交
7126 7127 7128 7129 7130
		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
7131 7132 7133
		default:
			BNX2X_ERR("NVRAM config error. "
				  "BAD XGXS ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
7134
				  bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7135 7136 7137
			return;
		}

7138 7139 7140
		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
7141 7142 7143 7144 7145

		break;

	default:
		BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7146
			  bp->port.link_config);
E
Eliezer Tamir 已提交
7147 7148
		return;
	}
7149
	bp->link_params.phy_addr = bp->port.phy_addr;
E
Eliezer Tamir 已提交
7150 7151

	/* mask what we support according to speed_cap_mask */
Y
Yaniv Rosner 已提交
7152 7153
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7154
		bp->port.supported &= ~SUPPORTED_10baseT_Half;
E
Eliezer Tamir 已提交
7155

Y
Yaniv Rosner 已提交
7156 7157
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7158
		bp->port.supported &= ~SUPPORTED_10baseT_Full;
E
Eliezer Tamir 已提交
7159

Y
Yaniv Rosner 已提交
7160 7161
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7162
		bp->port.supported &= ~SUPPORTED_100baseT_Half;
E
Eliezer Tamir 已提交
7163

Y
Yaniv Rosner 已提交
7164 7165
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7166
		bp->port.supported &= ~SUPPORTED_100baseT_Full;
E
Eliezer Tamir 已提交
7167

Y
Yaniv Rosner 已提交
7168 7169
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7170 7171
		bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
					SUPPORTED_1000baseT_Full);
E
Eliezer Tamir 已提交
7172

Y
Yaniv Rosner 已提交
7173 7174
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7175
		bp->port.supported &= ~SUPPORTED_2500baseX_Full;
E
Eliezer Tamir 已提交
7176

Y
Yaniv Rosner 已提交
7177 7178
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7179
		bp->port.supported &= ~SUPPORTED_10000baseT_Full;
E
Eliezer Tamir 已提交
7180

7181
	BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
E
Eliezer Tamir 已提交
7182 7183
}

7184
static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
E
Eliezer Tamir 已提交
7185
{
Y
Yaniv Rosner 已提交
7186
	bp->link_params.req_duplex = DUPLEX_FULL;
E
Eliezer Tamir 已提交
7187

7188
	switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
E
Eliezer Tamir 已提交
7189
	case PORT_FEATURE_LINK_SPEED_AUTO:
7190
		if (bp->port.supported & SUPPORTED_Autoneg) {
Y
Yaniv Rosner 已提交
7191
			bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7192
			bp->port.advertising = bp->port.supported;
E
Eliezer Tamir 已提交
7193
		} else {
Y
Yaniv Rosner 已提交
7194 7195 7196 7197 7198 7199 7200
			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
7201
				/* force 10G, no AN */
Y
Yaniv Rosner 已提交
7202
				bp->link_params.req_line_speed = SPEED_10000;
7203
				bp->port.advertising =
E
Eliezer Tamir 已提交
7204 7205 7206 7207 7208 7209 7210
						(ADVERTISED_10000baseT_Full |
						 ADVERTISED_FIBRE);
				break;
			}
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  Autoneg not supported\n",
7211
				  bp->port.link_config);
E
Eliezer Tamir 已提交
7212 7213 7214 7215 7216
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10M_FULL:
7217
		if (bp->port.supported & SUPPORTED_10baseT_Full) {
Y
Yaniv Rosner 已提交
7218
			bp->link_params.req_line_speed = SPEED_10;
7219 7220
			bp->port.advertising = (ADVERTISED_10baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7221 7222 7223 7224
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7225
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7226
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7227 7228 7229 7230 7231
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10M_HALF:
7232
		if (bp->port.supported & SUPPORTED_10baseT_Half) {
Y
Yaniv Rosner 已提交
7233 7234
			bp->link_params.req_line_speed = SPEED_10;
			bp->link_params.req_duplex = DUPLEX_HALF;
7235 7236
			bp->port.advertising = (ADVERTISED_10baseT_Half |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7237 7238 7239 7240
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7241
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7242
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7243 7244 7245 7246 7247
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_100M_FULL:
7248
		if (bp->port.supported & SUPPORTED_100baseT_Full) {
Y
Yaniv Rosner 已提交
7249
			bp->link_params.req_line_speed = SPEED_100;
7250 7251
			bp->port.advertising = (ADVERTISED_100baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7252 7253 7254 7255
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7256
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7257
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7258 7259 7260 7261 7262
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_100M_HALF:
7263
		if (bp->port.supported & SUPPORTED_100baseT_Half) {
Y
Yaniv Rosner 已提交
7264 7265
			bp->link_params.req_line_speed = SPEED_100;
			bp->link_params.req_duplex = DUPLEX_HALF;
7266 7267
			bp->port.advertising = (ADVERTISED_100baseT_Half |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7268 7269 7270 7271
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7272
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7273
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7274 7275 7276 7277 7278
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_1G:
7279
		if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Y
Yaniv Rosner 已提交
7280
			bp->link_params.req_line_speed = SPEED_1000;
7281 7282
			bp->port.advertising = (ADVERTISED_1000baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7283 7284 7285 7286
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7287
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7288
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7289 7290 7291 7292 7293
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_2_5G:
7294
		if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Y
Yaniv Rosner 已提交
7295
			bp->link_params.req_line_speed = SPEED_2500;
7296 7297
			bp->port.advertising = (ADVERTISED_2500baseX_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7298 7299 7300 7301
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7302
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7303
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7304 7305 7306 7307 7308 7309 7310
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10G_CX4:
	case PORT_FEATURE_LINK_SPEED_10G_KX4:
	case PORT_FEATURE_LINK_SPEED_10G_KR:
7311
		if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Y
Yaniv Rosner 已提交
7312
			bp->link_params.req_line_speed = SPEED_10000;
7313 7314
			bp->port.advertising = (ADVERTISED_10000baseT_Full |
						ADVERTISED_FIBRE);
E
Eliezer Tamir 已提交
7315 7316 7317 7318
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7319
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7320
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7321 7322 7323 7324 7325 7326 7327
			return;
		}
		break;

	default:
		BNX2X_ERR("NVRAM config error. "
			  "BAD link speed link_config 0x%x\n",
7328
			  bp->port.link_config);
Y
Yaniv Rosner 已提交
7329
		bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7330
		bp->port.advertising = bp->port.supported;
E
Eliezer Tamir 已提交
7331 7332 7333
		break;
	}

7334 7335
	bp->link_params.req_flow_ctrl = (bp->port.link_config &
					 PORT_FEATURE_FLOW_CONTROL_MASK);
Y
Yaniv Rosner 已提交
7336
	if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
R
Randy Dunlap 已提交
7337
	    !(bp->port.supported & SUPPORTED_Autoneg))
Y
Yaniv Rosner 已提交
7338
		bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
E
Eliezer Tamir 已提交
7339

Y
Yaniv Rosner 已提交
7340
	BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d  req_flow_ctrl 0x%x"
E
Eliezer Tamir 已提交
7341
		       "  advertising 0x%x\n",
Y
Yaniv Rosner 已提交
7342 7343
		       bp->link_params.req_line_speed,
		       bp->link_params.req_duplex,
7344
		       bp->link_params.req_flow_ctrl, bp->port.advertising);
E
Eliezer Tamir 已提交
7345 7346
}

7347
static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
E
Eliezer Tamir 已提交
7348
{
7349 7350
	int port = BP_PORT(bp);
	u32 val, val2;
E
Eliezer Tamir 已提交
7351

Y
Yaniv Rosner 已提交
7352
	bp->link_params.bp = bp;
7353
	bp->link_params.port = port;
Y
Yaniv Rosner 已提交
7354 7355

	bp->link_params.serdes_config =
E
Eliezer Tamir 已提交
7356
		SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Y
Yaniv Rosner 已提交
7357
	bp->link_params.lane_config =
E
Eliezer Tamir 已提交
7358
		SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Y
Yaniv Rosner 已提交
7359
	bp->link_params.ext_phy_config =
E
Eliezer Tamir 已提交
7360 7361
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].external_phy_config);
Y
Yaniv Rosner 已提交
7362
	bp->link_params.speed_cap_mask =
E
Eliezer Tamir 已提交
7363 7364 7365
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask);

7366
	bp->port.link_config =
E
Eliezer Tamir 已提交
7367 7368
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);

7369 7370 7371
	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
7372 7373 7374
		       bp->link_params.serdes_config,
		       bp->link_params.lane_config,
		       bp->link_params.ext_phy_config,
7375
		       bp->link_params.speed_cap_mask, bp->port.link_config);
E
Eliezer Tamir 已提交
7376

7377
	bp->link_params.switch_cfg = (bp->port.link_config &
Y
Yaniv Rosner 已提交
7378 7379
				      PORT_FEATURE_CONNECTED_SWITCH_MASK);
	bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
E
Eliezer Tamir 已提交
7380 7381 7382 7383 7384 7385 7386 7387 7388 7389 7390

	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
7391 7392
	memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
	memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7393 7394 7395 7396 7397 7398 7399
}

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
7400

7401
	bnx2x_get_common_hwinfo(bp);
E
Eliezer Tamir 已提交
7402

7403 7404 7405 7406 7407
	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
7408

7409 7410
		val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
		       FUNC_MF_CFG_E1HOV_TAG_MASK);
7411
		if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
E
Eliezer Tamir 已提交
7412

7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425 7426
			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
7427

7428 7429 7430 7431 7432 7433 7434 7435 7436 7437 7438 7439 7440 7441 7442 7443 7444 7445 7446 7447 7448 7449 7450
	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
7451
		}
7452 7453

		return rc;
E
Eliezer Tamir 已提交
7454 7455
	}

7456 7457 7458 7459 7460 7461
	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
7462

7463 7464 7465 7466 7467 7468 7469 7470
	return rc;
}

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

7471 7472 7473
	/* Disable interrupt handling until HW is initialized */
	atomic_set(&bp->intr_sem, 1);

7474
	mutex_init(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
7475

7476 7477 7478 7479 7480 7481 7482 7483 7484 7485 7486 7487 7488 7489 7490 7491
	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");

7492 7493 7494 7495 7496 7497 7498 7499 7500 7501
	/* 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;
	}


7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519
	bp->tx_ring_size = MAX_TX_AVAIL;
	bp->rx_ring_size = MAX_RX_AVAIL;

	bp->rx_csum = 1;
	bp->rx_offset = 0;

	bp->tx_ticks = 50;
	bp->rx_ticks = 25;

	bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
	bp->current_interval = (poll ? poll : bp->timer_interval);

	init_timer(&bp->timer);
	bp->timer.expires = jiffies + bp->current_interval;
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2x_timer;

	return rc;
E
Eliezer Tamir 已提交
7520 7521 7522 7523 7524 7525 7526 7527 7528 7529 7530 7531
}

/*
 * 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);

7532 7533
	cmd->supported = bp->port.supported;
	cmd->advertising = bp->port.advertising;
E
Eliezer Tamir 已提交
7534 7535

	if (netif_carrier_ok(dev)) {
Y
Yaniv Rosner 已提交
7536 7537
		cmd->speed = bp->link_vars.line_speed;
		cmd->duplex = bp->link_vars.duplex;
E
Eliezer Tamir 已提交
7538
	} else {
Y
Yaniv Rosner 已提交
7539 7540
		cmd->speed = bp->link_params.req_line_speed;
		cmd->duplex = bp->link_params.req_duplex;
E
Eliezer Tamir 已提交
7541
	}
7542 7543 7544 7545 7546 7547 7548 7549
	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
7550

Y
Yaniv Rosner 已提交
7551 7552 7553
	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
7554 7555 7556 7557 7558 7559

		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
7560
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
E
Eliezer Tamir 已提交
7561 7562 7563 7564 7565 7566 7567
			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
7568 7569 7570 7571 7572
		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
7573 7574
		default:
			DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
7575 7576
			   bp->link_params.ext_phy_config);
			break;
E
Eliezer Tamir 已提交
7577 7578
		}
	} else
E
Eliezer Tamir 已提交
7579 7580
		cmd->port = PORT_TP;

7581
	cmd->phy_address = bp->port.phy_addr;
E
Eliezer Tamir 已提交
7582 7583
	cmd->transceiver = XCVR_INTERNAL;

Y
Yaniv Rosner 已提交
7584
	if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
E
Eliezer Tamir 已提交
7585
		cmd->autoneg = AUTONEG_ENABLE;
E
Eliezer Tamir 已提交
7586
	else
E
Eliezer Tamir 已提交
7587 7588 7589 7590 7591 7592 7593 7594 7595 7596 7597 7598 7599 7600 7601 7602 7603 7604 7605 7606 7607
		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;

7608 7609 7610
	if (IS_E1HMF(bp))
		return 0;

E
Eliezer Tamir 已提交
7611 7612 7613 7614 7615 7616 7617 7618 7619
	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) {
7620 7621
		if (!(bp->port.supported & SUPPORTED_Autoneg)) {
			DP(NETIF_MSG_LINK, "Autoneg not supported\n");
E
Eliezer Tamir 已提交
7622
			return -EINVAL;
E
Eliezer Tamir 已提交
7623
		}
E
Eliezer Tamir 已提交
7624 7625

		/* advertise the requested speed and duplex if supported */
7626
		cmd->advertising &= bp->port.supported;
E
Eliezer Tamir 已提交
7627

Y
Yaniv Rosner 已提交
7628 7629
		bp->link_params.req_line_speed = SPEED_AUTO_NEG;
		bp->link_params.req_duplex = DUPLEX_FULL;
7630 7631
		bp->port.advertising |= (ADVERTISED_Autoneg |
					 cmd->advertising);
E
Eliezer Tamir 已提交
7632 7633 7634 7635 7636 7637

	} else { /* forced speed */
		/* advertise the requested speed and duplex if supported */
		switch (cmd->speed) {
		case SPEED_10:
			if (cmd->duplex == DUPLEX_FULL) {
7638
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7639 7640 7641
				      SUPPORTED_10baseT_Full)) {
					DP(NETIF_MSG_LINK,
					   "10M full not supported\n");
E
Eliezer Tamir 已提交
7642
					return -EINVAL;
E
Eliezer Tamir 已提交
7643
				}
E
Eliezer Tamir 已提交
7644 7645 7646 7647

				advertising = (ADVERTISED_10baseT_Full |
					       ADVERTISED_TP);
			} else {
7648
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7649 7650 7651
				      SUPPORTED_10baseT_Half)) {
					DP(NETIF_MSG_LINK,
					   "10M half not supported\n");
E
Eliezer Tamir 已提交
7652
					return -EINVAL;
E
Eliezer Tamir 已提交
7653
				}
E
Eliezer Tamir 已提交
7654 7655 7656 7657 7658 7659 7660 7661

				advertising = (ADVERTISED_10baseT_Half |
					       ADVERTISED_TP);
			}
			break;

		case SPEED_100:
			if (cmd->duplex == DUPLEX_FULL) {
7662
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7663 7664 7665
						SUPPORTED_100baseT_Full)) {
					DP(NETIF_MSG_LINK,
					   "100M full not supported\n");
E
Eliezer Tamir 已提交
7666
					return -EINVAL;
E
Eliezer Tamir 已提交
7667
				}
E
Eliezer Tamir 已提交
7668 7669 7670 7671

				advertising = (ADVERTISED_100baseT_Full |
					       ADVERTISED_TP);
			} else {
7672
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7673 7674 7675
						SUPPORTED_100baseT_Half)) {
					DP(NETIF_MSG_LINK,
					   "100M half not supported\n");
E
Eliezer Tamir 已提交
7676
					return -EINVAL;
E
Eliezer Tamir 已提交
7677
				}
E
Eliezer Tamir 已提交
7678 7679 7680 7681 7682 7683 7684

				advertising = (ADVERTISED_100baseT_Half |
					       ADVERTISED_TP);
			}
			break;

		case SPEED_1000:
E
Eliezer Tamir 已提交
7685 7686
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK, "1G half not supported\n");
E
Eliezer Tamir 已提交
7687
				return -EINVAL;
E
Eliezer Tamir 已提交
7688
			}
E
Eliezer Tamir 已提交
7689

7690
			if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
E
Eliezer Tamir 已提交
7691
				DP(NETIF_MSG_LINK, "1G full not supported\n");
E
Eliezer Tamir 已提交
7692
				return -EINVAL;
E
Eliezer Tamir 已提交
7693
			}
E
Eliezer Tamir 已提交
7694 7695 7696 7697 7698 7699

			advertising = (ADVERTISED_1000baseT_Full |
				       ADVERTISED_TP);
			break;

		case SPEED_2500:
E
Eliezer Tamir 已提交
7700 7701 7702
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK,
				   "2.5G half not supported\n");
E
Eliezer Tamir 已提交
7703
				return -EINVAL;
E
Eliezer Tamir 已提交
7704
			}
E
Eliezer Tamir 已提交
7705

7706
			if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
E
Eliezer Tamir 已提交
7707 7708
				DP(NETIF_MSG_LINK,
				   "2.5G full not supported\n");
E
Eliezer Tamir 已提交
7709
				return -EINVAL;
E
Eliezer Tamir 已提交
7710
			}
E
Eliezer Tamir 已提交
7711

E
Eliezer Tamir 已提交
7712
			advertising = (ADVERTISED_2500baseX_Full |
E
Eliezer Tamir 已提交
7713 7714 7715 7716
				       ADVERTISED_TP);
			break;

		case SPEED_10000:
E
Eliezer Tamir 已提交
7717 7718
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK, "10G half not supported\n");
E
Eliezer Tamir 已提交
7719
				return -EINVAL;
E
Eliezer Tamir 已提交
7720
			}
E
Eliezer Tamir 已提交
7721

7722
			if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
E
Eliezer Tamir 已提交
7723
				DP(NETIF_MSG_LINK, "10G full not supported\n");
E
Eliezer Tamir 已提交
7724
				return -EINVAL;
E
Eliezer Tamir 已提交
7725
			}
E
Eliezer Tamir 已提交
7726 7727 7728 7729 7730 7731

			advertising = (ADVERTISED_10000baseT_Full |
				       ADVERTISED_FIBRE);
			break;

		default:
E
Eliezer Tamir 已提交
7732
			DP(NETIF_MSG_LINK, "Unsupported speed\n");
E
Eliezer Tamir 已提交
7733 7734 7735
			return -EINVAL;
		}

Y
Yaniv Rosner 已提交
7736 7737
		bp->link_params.req_line_speed = cmd->speed;
		bp->link_params.req_duplex = cmd->duplex;
7738
		bp->port.advertising = advertising;
E
Eliezer Tamir 已提交
7739 7740
	}

Y
Yaniv Rosner 已提交
7741
	DP(NETIF_MSG_LINK, "req_line_speed %d\n"
E
Eliezer Tamir 已提交
7742
	   DP_LEVEL "  req_duplex %d  advertising 0x%x\n",
Y
Yaniv Rosner 已提交
7743
	   bp->link_params.req_line_speed, bp->link_params.req_duplex,
7744
	   bp->port.advertising);
E
Eliezer Tamir 已提交
7745

7746
	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
7747
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7748 7749
		bnx2x_link_set(bp);
	}
E
Eliezer Tamir 已提交
7750 7751 7752 7753

	return 0;
}

Y
Yaniv Rosner 已提交
7754 7755
#define PHY_FW_VER_LEN			10

E
Eliezer Tamir 已提交
7756 7757 7758 7759
static void bnx2x_get_drvinfo(struct net_device *dev,
			      struct ethtool_drvinfo *info)
{
	struct bnx2x *bp = netdev_priv(dev);
E
Eilon Greenstein 已提交
7760
	u8 phy_fw_ver[PHY_FW_VER_LEN];
E
Eliezer Tamir 已提交
7761 7762 7763

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
Y
Yaniv Rosner 已提交
7764 7765

	phy_fw_ver[0] = '\0';
7766
	if (bp->port.pmf) {
Y
Yitchak Gertner 已提交
7767
		bnx2x_acquire_phy_lock(bp);
7768 7769 7770
		bnx2x_get_ext_phy_fw_version(&bp->link_params,
					     (bp->state != BNX2X_STATE_CLOSED),
					     phy_fw_ver, PHY_FW_VER_LEN);
Y
Yitchak Gertner 已提交
7771
		bnx2x_release_phy_lock(bp);
7772
	}
Y
Yaniv Rosner 已提交
7773

E
Eilon Greenstein 已提交
7774 7775 7776 7777 7778
	snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
		 (bp->common.bc_ver & 0xff0000) >> 16,
		 (bp->common.bc_ver & 0xff00) >> 8,
		 (bp->common.bc_ver & 0xff),
		 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
E
Eliezer Tamir 已提交
7779 7780 7781
	strcpy(info->bus_info, pci_name(bp->pdev));
	info->n_stats = BNX2X_NUM_STATS;
	info->testinfo_len = BNX2X_NUM_TESTS;
7782
	info->eedump_len = bp->common.flash_size;
E
Eliezer Tamir 已提交
7783 7784 7785 7786 7787 7788 7789 7790 7791 7792 7793 7794 7795 7796 7797 7798 7799 7800 7801 7802 7803 7804 7805 7806 7807 7808 7809 7810 7811 7812 7813 7814
	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;
7815
	} else
E
Eliezer Tamir 已提交
7816
		bp->wol = 0;
7817

E
Eliezer Tamir 已提交
7818 7819 7820 7821 7822 7823 7824 7825 7826 7827 7828 7829 7830 7831 7832 7833 7834 7835 7836 7837 7838 7839
	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);

7840 7841
	if (!bp->port.pmf)
		return 0;
E
Eliezer Tamir 已提交
7842

7843
	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
7844
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7845 7846
		bnx2x_link_set(bp);
	}
E
Eliezer Tamir 已提交
7847 7848 7849 7850 7851 7852 7853 7854

	return 0;
}

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

7855
	return bp->common.flash_size;
E
Eliezer Tamir 已提交
7856 7857 7858 7859
}

static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
{
7860
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7861 7862 7863 7864 7865 7866 7867 7868 7869 7870 7871 7872 7873 7874 7875 7876 7877 7878 7879 7880 7881
	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))) {
7882
		DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
E
Eliezer Tamir 已提交
7883 7884 7885 7886 7887 7888 7889 7890
		return -EBUSY;
	}

	return 0;
}

static int bnx2x_release_nvram_lock(struct bnx2x *bp)
{
7891
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7892 7893 7894 7895 7896 7897 7898 7899 7900 7901 7902 7903 7904 7905 7906 7907 7908 7909 7910 7911 7912
	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)) {
7913
		DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
E
Eliezer Tamir 已提交
7914 7915 7916 7917 7918 7919 7920 7921 7922 7923 7924 7925 7926 7927 7928 7929 7930 7931 7932 7933 7934 7935 7936 7937 7938 7939 7940 7941 7942 7943 7944 7945 7946
		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
7947
	int count, i, rc;
E
Eliezer Tamir 已提交
7948 7949 7950 7951 7952 7953 7954 7955 7956 7957 7958 7959 7960 7961 7962 7963 7964 7965 7966 7967 7968 7969 7970 7971 7972 7973 7974 7975 7976 7977 7978 7979 7980 7981 7982 7983 7984 7985 7986 7987 7988 7989 7990 7991 7992 7993 7994 7995 7996 7997
	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)) {
7998
		DP(BNX2X_MSG_NVM,
E
Eliezer Tamir 已提交
7999
		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
E
Eliezer Tamir 已提交
8000 8001 8002 8003
		   offset, buf_size);
		return -EINVAL;
	}

8004 8005
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
8006
				  " buf_size (0x%x) > flash_size (0x%x)\n",
8007
		   offset, buf_size, bp->common.flash_size);
E
Eliezer Tamir 已提交
8008 8009 8010 8011 8012 8013 8014 8015 8016 8017 8018 8019 8020 8021 8022 8023 8024 8025 8026 8027 8028 8029 8030 8031 8032 8033 8034 8035 8036 8037 8038 8039 8040 8041 8042 8043 8044 8045 8046 8047 8048 8049 8050
		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;

8051
	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
E
Eliezer Tamir 已提交
8052 8053 8054 8055 8056 8057 8058 8059 8060 8061 8062 8063 8064 8065
	   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
8066
	int count, i, rc;
E
Eliezer Tamir 已提交
8067 8068 8069 8070 8071 8072 8073 8074 8075 8076 8077 8078 8079 8080 8081 8082 8083 8084 8085 8086 8087 8088 8089 8090 8091 8092 8093 8094 8095 8096 8097 8098 8099 8100 8101 8102

	/* 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
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8103
#define BYTE_OFFSET(offset)		(8 * (offset & 0x03))
E
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8104 8105 8106 8107 8108 8109 8110 8111 8112

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;

8113 8114
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
8115
				  " buf_size (0x%x) > flash_size (0x%x)\n",
8116
		   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;

8159
	if (buf_size == 1)	/* ethtool */
E
Eliezer Tamir 已提交
8160 8161 8162
		return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);

	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8163
		DP(BNX2X_MSG_NVM,
E
Eliezer Tamir 已提交
8164
		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
E
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8165 8166 8167 8168
		   offset, buf_size);
		return -EINVAL;
	}

8169 8170
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
8171
				  " buf_size (0x%x) > flash_size (0x%x)\n",
8172
		   offset, buf_size, bp->common.flash_size);
E
Eliezer Tamir 已提交
8173 8174 8175 8176 8177 8178 8179 8180 8181 8182 8183 8184 8185 8186 8187 8188 8189 8190 8191 8192 8193 8194 8195 8196 8197 8198 8199 8200 8201 8202 8203 8204 8205 8206 8207 8208 8209 8210 8211 8212 8213 8214 8215 8216 8217
		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;

8218
	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
E
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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
8225
	/* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8226 8227 8228
	if (eeprom->magic == 0x00504859)
		if (bp->port.pmf) {

Y
Yitchak Gertner 已提交
8229
			bnx2x_acquire_phy_lock(bp);
8230 8231 8232 8233
			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
8234 8235
			if ((bp->state == BNX2X_STATE_OPEN) ||
			    (bp->state == BNX2X_STATE_DISABLED)) {
8236 8237 8238 8239
				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
8240
			}
Y
Yitchak Gertner 已提交
8241
			bnx2x_release_phy_lock(bp);
8242 8243 8244 8245

		} else /* Only the PMF can access the PHY */
			return -EINVAL;
	else
Y
Yaniv Rosner 已提交
8246
		rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
E
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	return rc;
}

static int bnx2x_get_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct bnx2x *bp = netdev_priv(dev);

	memset(coal, 0, sizeof(struct ethtool_coalesce));

	coal->rx_coalesce_usecs = bp->rx_ticks;
	coal->tx_coalesce_usecs = bp->tx_ticks;

	return 0;
}

static int bnx2x_set_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct bnx2x *bp = netdev_priv(dev);

	bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
	if (bp->rx_ticks > 3000)
		bp->rx_ticks = 3000;

	bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
	if (bp->tx_ticks > 0x3000)
		bp->tx_ticks = 0x3000;

8277
	if (netif_running(dev))
E
Eliezer Tamir 已提交
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		bnx2x_update_coalesce(bp);

	return 0;
}

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);
8304
	int rc = 0;
E
Eliezer Tamir 已提交
8305 8306 8307 8308 8309 8310 8311 8312 8313

	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;

8314 8315 8316
	if (netif_running(dev)) {
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
E
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	}

8319
	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);

Y
Yaniv Rosner 已提交
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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
Eliezer Tamir 已提交
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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);

8345 8346 8347
	if (IS_E1HMF(bp))
		return 0;

E
Eliezer Tamir 已提交
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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);

Y
Yaniv Rosner 已提交
8352
	bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
E
Eliezer Tamir 已提交
8353

E
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8354
	if (epause->rx_pause)
Y
Yaniv Rosner 已提交
8355 8356
		bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;

E
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8357
	if (epause->tx_pause)
Y
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8358 8359 8360 8361
		bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;

	if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
		bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
E
Eliezer Tamir 已提交
8362

Y
Yaniv Rosner 已提交
8363
	if (epause->autoneg) {
8364
		if (!(bp->port.supported & SUPPORTED_Autoneg)) {
8365
			DP(NETIF_MSG_LINK, "autoneg not supported\n");
Y
Yaniv Rosner 已提交
8366 8367
			return -EINVAL;
		}
E
Eliezer Tamir 已提交
8368

Y
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8369 8370 8371
		if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
			bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
	}
E
Eliezer Tamir 已提交
8372

Y
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8373 8374
	DP(NETIF_MSG_LINK,
	   "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8375 8376

	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
8377
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8378 8379
		bnx2x_link_set(bp);
	}
E
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8380 8381 8382 8383

	return 0;
}

8384 8385 8386 8387 8388 8389 8390 8391 8392 8393 8394 8395 8396 8397 8398 8399 8400 8401 8402 8403 8404 8405 8406 8407 8408 8409 8410 8411
static int bnx2x_set_flags(struct net_device *dev, u32 data)
{
	struct bnx2x *bp = netdev_priv(dev);
	int changed = 0;
	int rc = 0;

	/* TPA requires Rx CSUM offloading */
	if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
		if (!(dev->features & NETIF_F_LRO)) {
			dev->features |= NETIF_F_LRO;
			bp->flags |= TPA_ENABLE_FLAG;
			changed = 1;
		}

	} else if (dev->features & NETIF_F_LRO) {
		dev->features &= ~NETIF_F_LRO;
		bp->flags &= ~TPA_ENABLE_FLAG;
		changed = 1;
	}

	if (changed && netif_running(dev)) {
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
	}

	return rc;
}

E
Eliezer Tamir 已提交
8412 8413 8414 8415 8416 8417 8418 8419 8420 8421
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);
8422
	int rc = 0;
E
Eliezer Tamir 已提交
8423 8424

	bp->rx_csum = data;
8425 8426 8427 8428 8429 8430 8431 8432 8433 8434

	/* Disable TPA, when Rx CSUM is disabled. Otherwise all
	   TPA'ed packets will be discarded due to wrong TCP CSUM */
	if (!data) {
		u32 flags = ethtool_op_get_flags(dev);

		rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
	}

	return rc;
E
Eliezer Tamir 已提交
8435 8436 8437 8438
}

static int bnx2x_set_tso(struct net_device *dev, u32 data)
{
E
Eilon Greenstein 已提交
8439
	if (data) {
E
Eliezer Tamir 已提交
8440
		dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
E
Eilon Greenstein 已提交
8441 8442
		dev->features |= NETIF_F_TSO6;
	} else {
E
Eliezer Tamir 已提交
8443
		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
E
Eilon Greenstein 已提交
8444 8445 8446
		dev->features &= ~NETIF_F_TSO6;
	}

E
Eliezer Tamir 已提交
8447 8448 8449
	return 0;
}

Y
Yitchak Gertner 已提交
8450
static const struct {
E
Eliezer Tamir 已提交
8451 8452
	char string[ETH_GSTRING_LEN];
} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Y
Yitchak Gertner 已提交
8453 8454 8455 8456 8457 8458 8459 8460
	{ "register_test (offline)" },
	{ "memory_test (offline)" },
	{ "loopback_test (offline)" },
	{ "nvram_test (online)" },
	{ "interrupt_test (online)" },
	{ "link_test (online)" },
	{ "idle check (online)" },
	{ "MC errors (online)" }
E
Eliezer Tamir 已提交
8461 8462 8463 8464 8465 8466 8467
};

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

Y
Yitchak Gertner 已提交
8468 8469 8470 8471
static int bnx2x_test_registers(struct bnx2x *bp)
{
	int idx, i, rc = -ENODEV;
	u32 wr_val = 0;
8472
	int port = BP_PORT(bp);
Y
Yitchak Gertner 已提交
8473 8474 8475 8476 8477 8478 8479 8480 8481 8482 8483 8484 8485 8486 8487 8488 8489 8490 8491 8492 8493 8494 8495 8496 8497 8498 8499 8500 8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512 8513 8514 8515 8516 8517 8518 8519 8520 8521 8522 8523 8524 8525 8526 8527 8528 8529 8530 8531 8532 8533 8534 8535 8536 8537 8538 8539 8540 8541 8542 8543 8544 8545 8546 8547 8548 8549 8550 8551 8552 8553 8554 8555 8556 8557 8558 8559 8560 8561 8562 8563 8564 8565 8566 8567 8568 8569 8570 8571 8572 8573 8574 8575 8576 8577 8578 8579 8580 8581 8582
	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;

			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;
8583 8584
		u32 e1_mask;
		u32 e1h_mask;
Y
Yitchak Gertner 已提交
8585
	} prty_tbl[] = {
8586 8587 8588 8589 8590 8591 8592 8593
		{ "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,   0x3ffc0, 0 },
		{ "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,   0x2,     0x2 },
		{ "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0,       0 },
		{ "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,   0x3ffc0, 0 },
		{ "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,   0x3ffc0, 0 },
		{ "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,   0x3ffc1, 0 },

		{ NULL, 0xffffffff, 0, 0 }
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Yitchak Gertner 已提交
8594 8595 8596 8597 8598 8599 8600 8601 8602 8603 8604 8605 8606
	};

	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);
8607 8608
		if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
		    (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
Y
Yitchak Gertner 已提交
8609 8610 8611 8612 8613 8614 8615 8616 8617 8618 8619 8620 8621 8622 8623 8624 8625 8626 8627 8628 8629 8630 8631 8632 8633 8634 8635 8636 8637 8638 8639 8640 8641 8642 8643 8644 8645 8646 8647 8648 8649 8650 8651 8652 8653 8654 8655 8656 8657 8658 8659 8660 8661 8662 8663 8664 8665 8666 8667 8668 8669 8670 8671 8672 8673 8674 8675 8676 8677
			DP(NETIF_MSG_HW,
			   "%s is 0x%x\n", prty_tbl[i].name, val);
			goto test_mem_exit;
		}
	}

	rc = 0;

test_mem_exit:
	return rc;
}

static void bnx2x_netif_start(struct bnx2x *bp)
{
	int i;

	if (atomic_dec_and_test(&bp->intr_sem)) {
		if (netif_running(bp->dev)) {
			bnx2x_int_enable(bp);
			for_each_queue(bp, i)
				napi_enable(&bnx2x_fp(bp, i, napi));
			if (bp->state == BNX2X_STATE_OPEN)
				netif_wake_queue(bp->dev);
		}
	}
}

static void bnx2x_netif_stop(struct bnx2x *bp)
{
	int i;

	if (netif_running(bp->dev)) {
		netif_tx_disable(bp->dev);
		bp->dev->trans_start = jiffies;	/* prevent tx timeout */
		for_each_queue(bp, i)
			napi_disable(&bnx2x_fp(bp, i, napi));
	}
	bnx2x_int_disable_sync(bp);
}

static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
{
	int cnt = 1000;

	if (link_up)
		while (bnx2x_link_test(bp) && cnt--)
			msleep(10);
}

static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb;
	unsigned char *packet;
	struct bnx2x_fastpath *fp = &bp->fp[0];
	u16 tx_start_idx, tx_idx;
	u16 rx_start_idx, rx_idx;
	u16 pkt_prod;
	struct sw_tx_bd *tx_buf;
	struct eth_tx_bd *tx_bd;
	dma_addr_t mapping;
	union eth_rx_cqe *cqe;
	u8 cqe_fp_flags;
	struct sw_rx_bd *rx_buf;
	u16 len;
	int rc = -ENODEV;

	if (loopback_mode == BNX2X_MAC_LOOPBACK) {
		bp->link_params.loopback_mode = LOOPBACK_BMAC;
Y
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8678
		bnx2x_acquire_phy_lock(bp);
Y
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8679
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
8680
		bnx2x_release_phy_lock(bp);
Y
Yitchak Gertner 已提交
8681 8682 8683

	} else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
		bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Y
Yitchak Gertner 已提交
8684
		bnx2x_acquire_phy_lock(bp);
Y
Yitchak Gertner 已提交
8685
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
8686
		bnx2x_release_phy_lock(bp);
Y
Yitchak Gertner 已提交
8687 8688 8689 8690 8691 8692 8693 8694 8695 8696 8697 8698 8699 8700 8701 8702 8703 8704 8705 8706 8707 8708 8709 8710 8711 8712 8713 8714 8715 8716 8717 8718 8719 8720 8721 8722 8723 8724 8725 8726 8727 8728 8729 8730 8731 8732 8733 8734 8735 8736 8737 8738 8739 8740 8741 8742 8743 8744 8745 8746 8747 8748 8749 8750 8751 8752 8753 8754 8755 8756 8757 8758 8759 8760 8761 8762 8763 8764 8765 8766 8767 8768 8769 8770 8771 8772 8773 8774 8775 8776 8777 8778 8779 8780 8781 8782 8783 8784 8785 8786 8787 8788 8789 8790 8791 8792 8793 8794 8795 8796 8797 8798 8799 8800 8801 8802 8803 8804 8805 8806 8807 8808 8809 8810 8811 8812 8813 8814 8815 8816 8817 8818 8819 8820 8821 8822 8823 8824 8825 8826 8827 8828 8829 8830 8831 8832 8833 8834 8835 8836 8837 8838 8839 8840 8841 8842 8843 8844 8845 8846 8847 8848 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 8898 8899
		/* 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
8900 8901 8902 8903 8904 8905 8906
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
8907
	if (!netif_running(dev))
E
Eliezer Tamir 已提交
8908 8909
		return;

Y
Yitchak Gertner 已提交
8910 8911 8912 8913 8914 8915 8916 8917 8918 8919 8920 8921 8922 8923 8924 8925 8926 8927 8928 8929 8930 8931 8932 8933
	/* 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
8934

Y
Yitchak Gertner 已提交
8935 8936 8937 8938 8939 8940 8941
		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
8942 8943
		etest->flags |= ETH_TEST_FL_FAILED;
	}
Y
Yitchak Gertner 已提交
8944 8945 8946 8947 8948 8949 8950 8951 8952 8953 8954 8955 8956 8957 8958 8959
	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
8960 8961
}

Y
Yitchak Gertner 已提交
8962 8963 8964 8965
static const struct {
	long offset;
	int size;
	u32 flags;
Y
Yitchak Gertner 已提交
8966 8967 8968
#define STATS_FLAGS_PORT		1
#define STATS_FLAGS_FUNC		2
	u8 string[ETH_GSTRING_LEN];
Y
Yitchak Gertner 已提交
8969
} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Y
Yitchak Gertner 已提交
8970 8971 8972 8973 8974 8975 8976 8977
/* 1 */	{ STATS_OFFSET32(valid_bytes_received_hi),
				8, STATS_FLAGS_FUNC, "rx_bytes" },
	{ STATS_OFFSET32(error_bytes_received_hi),
				8, STATS_FLAGS_FUNC, "rx_error_bytes" },
	{ STATS_OFFSET32(total_bytes_transmitted_hi),
				8, STATS_FLAGS_FUNC, "tx_bytes" },
	{ STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
				8, STATS_FLAGS_PORT, "tx_error_bytes" },
Y
Yitchak Gertner 已提交
8978
	{ STATS_OFFSET32(total_unicast_packets_received_hi),
Y
Yitchak Gertner 已提交
8979
				8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Y
Yitchak Gertner 已提交
8980
	{ STATS_OFFSET32(total_multicast_packets_received_hi),
Y
Yitchak Gertner 已提交
8981
				8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Y
Yitchak Gertner 已提交
8982
	{ STATS_OFFSET32(total_broadcast_packets_received_hi),
Y
Yitchak Gertner 已提交
8983
				8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Y
Yitchak Gertner 已提交
8984
	{ STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Y
Yitchak Gertner 已提交
8985
				8, STATS_FLAGS_FUNC, "tx_packets" },
Y
Yitchak Gertner 已提交
8986
	{ STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Y
Yitchak Gertner 已提交
8987
				8, STATS_FLAGS_PORT, "tx_mac_errors" },
Y
Yitchak Gertner 已提交
8988
/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Y
Yitchak Gertner 已提交
8989
				8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Y
Yitchak Gertner 已提交
8990
	{ STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Y
Yitchak Gertner 已提交
8991
				8, STATS_FLAGS_PORT, "rx_crc_errors" },
Y
Yitchak Gertner 已提交
8992
	{ STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Y
Yitchak Gertner 已提交
8993
				8, STATS_FLAGS_PORT, "rx_align_errors" },
Y
Yitchak Gertner 已提交
8994
	{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Y
Yitchak Gertner 已提交
8995
				8, STATS_FLAGS_PORT, "tx_single_collisions" },
Y
Yitchak Gertner 已提交
8996
	{ STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Y
Yitchak Gertner 已提交
8997
				8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Y
Yitchak Gertner 已提交
8998
	{ STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Y
Yitchak Gertner 已提交
8999
				8, STATS_FLAGS_PORT, "tx_deferred" },
Y
Yitchak Gertner 已提交
9000
	{ STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Y
Yitchak Gertner 已提交
9001
				8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Y
Yitchak Gertner 已提交
9002
	{ STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Y
Yitchak Gertner 已提交
9003
				8, STATS_FLAGS_PORT, "tx_late_collisions" },
Y
Yitchak Gertner 已提交
9004
	{ STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Y
Yitchak Gertner 已提交
9005
				8, STATS_FLAGS_PORT, "tx_total_collisions" },
Y
Yitchak Gertner 已提交
9006
	{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Y
Yitchak Gertner 已提交
9007 9008 9009
				8, STATS_FLAGS_PORT, "rx_fragments" },
/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
				8, STATS_FLAGS_PORT, "rx_jabbers" },
Y
Yitchak Gertner 已提交
9010
	{ STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Y
Yitchak Gertner 已提交
9011
				8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Y
Yitchak Gertner 已提交
9012
	{ STATS_OFFSET32(jabber_packets_received),
Y
Yitchak Gertner 已提交
9013
				4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Y
Yitchak Gertner 已提交
9014
	{ STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Y
Yitchak Gertner 已提交
9015
				8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Y
Yitchak Gertner 已提交
9016
	{ STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Y
Yitchak Gertner 已提交
9017
			8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Y
Yitchak Gertner 已提交
9018
	{ STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Y
Yitchak Gertner 已提交
9019
			8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Y
Yitchak Gertner 已提交
9020
	{ STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Y
Yitchak Gertner 已提交
9021
			8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Y
Yitchak Gertner 已提交
9022
	{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Y
Yitchak Gertner 已提交
9023
			8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Y
Yitchak Gertner 已提交
9024
	{ STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Y
Yitchak Gertner 已提交
9025
			8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Y
Yitchak Gertner 已提交
9026
	{ STATS_OFFSET32(etherstatspktsover1522octets_hi),
Y
Yitchak Gertner 已提交
9027
			8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Y
Yitchak Gertner 已提交
9028
/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Y
Yitchak Gertner 已提交
9029
				8, STATS_FLAGS_PORT, "rx_xon_frames" },
Y
Yitchak Gertner 已提交
9030
	{ STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Y
Yitchak Gertner 已提交
9031 9032 9033 9034 9035
				8, STATS_FLAGS_PORT, "rx_xoff_frames" },
	{ STATS_OFFSET32(tx_stat_outxonsent_hi),
				8, STATS_FLAGS_PORT, "tx_xon_frames" },
	{ STATS_OFFSET32(tx_stat_outxoffsent_hi),
				8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Y
Yitchak Gertner 已提交
9036
	{ STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Y
Yitchak Gertner 已提交
9037 9038 9039 9040 9041 9042 9043 9044 9045 9046 9047 9048 9049 9050 9051 9052 9053
				8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
	{ STATS_OFFSET32(mac_filter_discard),
				4, STATS_FLAGS_PORT, "rx_filtered_packets" },
	{ STATS_OFFSET32(no_buff_discard),
				4, STATS_FLAGS_FUNC, "rx_discards" },
	{ STATS_OFFSET32(xxoverflow_discard),
				4, STATS_FLAGS_PORT, "rx_fw_discards" },
	{ STATS_OFFSET32(brb_drop_hi),
				8, STATS_FLAGS_PORT, "brb_discard" },
	{ STATS_OFFSET32(brb_truncate_hi),
				8, STATS_FLAGS_PORT, "brb_truncate" },
/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
				4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
	{ STATS_OFFSET32(rx_skb_alloc_failed),
				4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
/* 42 */{ STATS_OFFSET32(hw_csum_err),
				4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
E
Eliezer Tamir 已提交
9054 9055
};

Y
Yitchak Gertner 已提交
9056 9057 9058
#define IS_NOT_E1HMF_STAT(bp, i) \
		(IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))

E
Eliezer Tamir 已提交
9059 9060
static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
Y
Yitchak Gertner 已提交
9061 9062 9063
	struct bnx2x *bp = netdev_priv(dev);
	int i, j;

E
Eliezer Tamir 已提交
9064 9065
	switch (stringset) {
	case ETH_SS_STATS:
Y
Yitchak Gertner 已提交
9066
		for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Y
Yitchak Gertner 已提交
9067
			if (IS_NOT_E1HMF_STAT(bp, i))
Y
Yitchak Gertner 已提交
9068 9069 9070 9071 9072
				continue;
			strcpy(buf + j*ETH_GSTRING_LEN,
			       bnx2x_stats_arr[i].string);
			j++;
		}
E
Eliezer Tamir 已提交
9073 9074 9075 9076 9077 9078 9079 9080 9081 9082
		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
9083 9084 9085 9086
	struct bnx2x *bp = netdev_priv(dev);
	int i, num_stats = 0;

	for (i = 0; i < BNX2X_NUM_STATS; i++) {
Y
Yitchak Gertner 已提交
9087
		if (IS_NOT_E1HMF_STAT(bp, i))
Y
Yitchak Gertner 已提交
9088 9089 9090 9091
			continue;
		num_stats++;
	}
	return num_stats;
E
Eliezer Tamir 已提交
9092 9093 9094 9095 9096 9097
}

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
9098 9099
	u32 *hw_stats = (u32 *)&bp->eth_stats;
	int i, j;
E
Eliezer Tamir 已提交
9100

Y
Yitchak Gertner 已提交
9101
	for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Y
Yitchak Gertner 已提交
9102
		if (IS_NOT_E1HMF_STAT(bp, i))
E
Eliezer Tamir 已提交
9103
			continue;
Y
Yitchak Gertner 已提交
9104 9105 9106 9107 9108

		if (bnx2x_stats_arr[i].size == 0) {
			/* skip this counter */
			buf[j] = 0;
			j++;
E
Eliezer Tamir 已提交
9109 9110
			continue;
		}
Y
Yitchak Gertner 已提交
9111
		if (bnx2x_stats_arr[i].size == 4) {
E
Eliezer Tamir 已提交
9112
			/* 4-byte counter */
Y
Yitchak Gertner 已提交
9113 9114
			buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
			j++;
E
Eliezer Tamir 已提交
9115 9116 9117
			continue;
		}
		/* 8-byte counter */
Y
Yitchak Gertner 已提交
9118 9119 9120
		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
9121 9122 9123 9124 9125 9126
	}
}

static int bnx2x_phys_id(struct net_device *dev, u32 data)
{
	struct bnx2x *bp = netdev_priv(dev);
9127
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
9128 9129
	int i;

9130 9131 9132 9133 9134 9135
	if (!netif_running(dev))
		return 0;

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

E
Eliezer Tamir 已提交
9136 9137 9138 9139
	if (data == 0)
		data = 2;

	for (i = 0; i < (data * 2); i++) {
Y
Yaniv Rosner 已提交
9140
		if ((i % 2) == 0)
9141
			bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Y
Yaniv Rosner 已提交
9142 9143 9144
				      bp->link_params.hw_led_mode,
				      bp->link_params.chip_id);
		else
9145
			bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Y
Yaniv Rosner 已提交
9146 9147 9148
				      bp->link_params.hw_led_mode,
				      bp->link_params.chip_id);

E
Eliezer Tamir 已提交
9149 9150 9151 9152 9153
		msleep_interruptible(500);
		if (signal_pending(current))
			break;
	}

Y
Yaniv Rosner 已提交
9154
	if (bp->link_vars.link_up)
9155
		bnx2x_set_led(bp, port, LED_MODE_OPER,
Y
Yaniv Rosner 已提交
9156 9157 9158
			      bp->link_vars.line_speed,
			      bp->link_params.hw_led_mode,
			      bp->link_params.chip_id);
E
Eliezer Tamir 已提交
9159 9160 9161 9162 9163

	return 0;
}

static struct ethtool_ops bnx2x_ethtool_ops = {
9164 9165 9166
	.get_settings		= bnx2x_get_settings,
	.set_settings		= bnx2x_set_settings,
	.get_drvinfo		= bnx2x_get_drvinfo,
E
Eliezer Tamir 已提交
9167 9168
	.get_wol		= bnx2x_get_wol,
	.set_wol		= bnx2x_set_wol,
9169 9170 9171 9172 9173 9174 9175 9176 9177 9178 9179 9180 9181 9182 9183 9184
	.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
9185
	.set_tx_csum		= ethtool_op_set_tx_hw_csum,
9186 9187 9188 9189
	.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
9190 9191 9192
	.get_tso		= ethtool_op_get_tso,
	.set_tso		= bnx2x_set_tso,
	.self_test_count	= bnx2x_self_test_count,
9193 9194
	.self_test		= bnx2x_self_test,
	.get_strings		= bnx2x_get_strings,
E
Eliezer Tamir 已提交
9195 9196
	.phys_id		= bnx2x_phys_id,
	.get_stats_count	= bnx2x_get_stats_count,
Y
Yitchak Gertner 已提交
9197
	.get_ethtool_stats	= bnx2x_get_ethtool_stats,
E
Eliezer Tamir 已提交
9198 9199 9200 9201 9202 9203 9204 9205 9206 9207 9208 9209 9210 9211 9212 9213
};

/* 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:
9214
		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
E
Eliezer Tamir 已提交
9215 9216 9217 9218 9219 9220
				      ((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);
9221
		break;
E
Eliezer Tamir 已提交
9222

9223 9224 9225
	case PCI_D3hot:
		pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
		pmcsr |= 3;
E
Eliezer Tamir 已提交
9226

9227 9228
		if (bp->wol)
			pmcsr |= PCI_PM_CTRL_PME_ENABLE;
E
Eliezer Tamir 已提交
9229

9230 9231
		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
				      pmcsr);
E
Eliezer Tamir 已提交
9232

9233 9234 9235 9236 9237 9238 9239 9240 9241
		/* 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
9242 9243
}

9244 9245 9246 9247
/*
 * net_device service functions
 */

E
Eliezer Tamir 已提交
9248 9249 9250 9251 9252 9253 9254 9255 9256
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))
9257
		goto poll_panic;
E
Eliezer Tamir 已提交
9258 9259 9260 9261 9262 9263 9264 9265
#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);

9266
	if (BNX2X_HAS_TX_WORK(fp))
E
Eliezer Tamir 已提交
9267 9268
		bnx2x_tx_int(fp, budget);

9269
	if (BNX2X_HAS_RX_WORK(fp))
E
Eliezer Tamir 已提交
9270 9271
		work_done = bnx2x_rx_int(fp, budget);

9272
	rmb(); /* BNX2X_HAS_WORK() reads the status block */
E
Eliezer Tamir 已提交
9273 9274

	/* must not complete if we consumed full budget */
9275
	if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
E
Eliezer Tamir 已提交
9276 9277

#ifdef BNX2X_STOP_ON_ERROR
9278
poll_panic:
E
Eliezer Tamir 已提交
9279 9280 9281
#endif
		netif_rx_complete(bp->dev, napi);

9282
		bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
E
Eliezer Tamir 已提交
9283
			     le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9284
		bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
E
Eliezer Tamir 已提交
9285 9286 9287 9288 9289
			     le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
	}
	return work_done;
}

E
Eilon Greenstein 已提交
9290 9291 9292 9293 9294 9295 9296 9297 9298 9299 9300 9301 9302 9303 9304 9305 9306 9307 9308 9309 9310 9311 9312 9313 9314 9315 9316 9317 9318 9319 9320 9321 9322 9323 9324 9325 9326 9327 9328 9329 9330 9331 9332 9333 9334 9335 9336 9337 9338 9339 9340 9341 9342 9343 9344 9345 9346 9347 9348 9349 9350 9351 9352 9353 9354 9355 9356 9357 9358 9359 9360 9361 9362 9363 9364 9365 9366 9367 9368 9369 9370 9371 9372 9373 9374 9375 9376 9377 9378 9379 9380 9381 9382 9383 9384 9385 9386 9387 9388 9389 9390 9391 9392 9393 9394 9395 9396 9397 9398 9399 9400 9401 9402 9403 9404 9405 9406 9407 9408 9409 9410 9411 9412 9413 9414 9415 9416 9417 9418 9419 9420 9421 9422 9423 9424 9425 9426 9427 9428 9429 9430 9431 9432 9433 9434 9435 9436 9437 9438 9439 9440 9441 9442 9443 9444 9445 9446 9447 9448 9449 9450 9451 9452 9453 9454 9455 9456 9457 9458 9459 9460 9461

/* 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
9462
 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
E
Eilon Greenstein 已提交
9463
 * netif_wake_queue()
E
Eliezer Tamir 已提交
9464 9465 9466 9467 9468 9469 9470 9471 9472
 */
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
9473
	int nbd, fp_index;
E
Eliezer Tamir 已提交
9474
	dma_addr_t mapping;
E
Eilon Greenstein 已提交
9475 9476 9477 9478
	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
9479 9480 9481 9482 9483 9484

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

E
Eilon Greenstein 已提交
9485
	fp_index = (smp_processor_id() % bp->num_queues);
E
Eliezer Tamir 已提交
9486
	fp = &bp->fp[fp_index];
E
Eilon Greenstein 已提交
9487

E
Eliezer Tamir 已提交
9488 9489
	if (unlikely(bnx2x_tx_avail(bp->fp) <
					(skb_shinfo(skb)->nr_frags + 3))) {
Y
Yitchak Gertner 已提交
9490
		bp->eth_stats.driver_xoff++,
E
Eliezer Tamir 已提交
9491 9492 9493 9494 9495
		netif_stop_queue(dev);
		BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
		return NETDEV_TX_BUSY;
	}

E
Eilon Greenstein 已提交
9496 9497 9498 9499 9500 9501 9502 9503 9504 9505 9506 9507 9508 9509
	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);
9510
			return NETDEV_TX_OK;
E
Eilon Greenstein 已提交
9511 9512 9513
		}
	}

E
Eliezer Tamir 已提交
9514
	/*
E
Eilon Greenstein 已提交
9515
	Please read carefully. First we use one BD which we mark as start,
E
Eliezer Tamir 已提交
9516
	then for TSO or xsum we have a parsing info BD,
E
Eilon Greenstein 已提交
9517
	and only then we have the rest of the TSO BDs.
E
Eliezer Tamir 已提交
9518 9519
	(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
9520
	And above all, all pdb sizes are in words - NOT DWORDS!
E
Eliezer Tamir 已提交
9521 9522 9523
	*/

	pkt_prod = fp->tx_pkt_prod++;
E
Eilon Greenstein 已提交
9524
	bd_prod = TX_BD(fp->tx_bd_prod);
E
Eliezer Tamir 已提交
9525

E
Eilon Greenstein 已提交
9526
	/* get a tx_buf and first BD */
E
Eliezer Tamir 已提交
9527 9528 9529 9530 9531 9532
	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);
9533 9534
	/* header nbd */
	tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
E
Eliezer Tamir 已提交
9535

E
Eilon Greenstein 已提交
9536 9537 9538
	/* 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
9539 9540 9541 9542 9543

	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
9544 9545 9546 9547 9548 9549
	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
9550

E
Eilon Greenstein 已提交
9551
	if (xmit_type) {
E
Eliezer Tamir 已提交
9552

E
Eilon Greenstein 已提交
9553
		/* turn on parsing and get a BD */
E
Eliezer Tamir 已提交
9554 9555
		bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
		pbd = (void *)&fp->tx_desc_ring[bd_prod];
E
Eilon Greenstein 已提交
9556 9557 9558 9559 9560 9561

		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
9562 9563

		/* for now NS flag is not used in Linux */
E
Eilon Greenstein 已提交
9564
		pbd->global_data = (hlen |
E
Eliezer Tamir 已提交
9565
				    ((skb->protocol == ntohs(ETH_P_8021Q)) <<
E
Eliezer Tamir 已提交
9566 9567
				     ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));

E
Eilon Greenstein 已提交
9568 9569 9570 9571
		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
9572

E
Eilon Greenstein 已提交
9573 9574
		pbd->total_hlen = cpu_to_le16(hlen);
		hlen = hlen*2 - vlan_off;
E
Eliezer Tamir 已提交
9575

E
Eilon Greenstein 已提交
9576 9577 9578
		tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;

		if (xmit_type & XMIT_CSUM_V4)
E
Eliezer Tamir 已提交
9579
			tx_bd->bd_flags.as_bitfield |=
E
Eilon Greenstein 已提交
9580 9581 9582 9583 9584 9585 9586 9587 9588 9589
						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
9590
			pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
E
Eilon Greenstein 已提交
9591
			pbd->cs_offset = fix / 2;
E
Eliezer Tamir 已提交
9592

E
Eilon Greenstein 已提交
9593 9594 9595 9596 9597 9598 9599 9600 9601 9602 9603 9604 9605
			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
9606 9607 9608
	}

	mapping = pci_map_single(bp->pdev, skb->data,
E
Eilon Greenstein 已提交
9609
				 skb_headlen(skb), PCI_DMA_TODEVICE);
E
Eliezer Tamir 已提交
9610 9611 9612 9613 9614 9615 9616 9617

	tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
	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
9618 9619 9620 9621
	   "  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
9622

E
Eilon Greenstein 已提交
9623
	if (xmit_type & XMIT_GSO) {
E
Eliezer Tamir 已提交
9624 9625 9626 9627 9628 9629 9630 9631

		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
9632 9633 9634
		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
9635 9636 9637

		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
9638 9639 9640 9641 9642
		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
9643 9644 9645
				swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
							  ip_hdr(skb)->daddr,
							  0, IPPROTO_TCP, 0));
E
Eilon Greenstein 已提交
9646 9647 9648 9649 9650 9651 9652

		} 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
9653 9654 9655
		pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
	}

E
Eilon Greenstein 已提交
9656 9657
	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
9658

E
Eilon Greenstein 已提交
9659 9660
		bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
		tx_bd = &fp->tx_desc_ring[bd_prod];
E
Eliezer Tamir 已提交
9661

E
Eilon Greenstein 已提交
9662 9663
		mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
				       frag->size, PCI_DMA_TODEVICE);
E
Eliezer Tamir 已提交
9664

E
Eilon Greenstein 已提交
9665 9666 9667 9668 9669
		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
9670

E
Eilon Greenstein 已提交
9671 9672 9673 9674
		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
9675 9676
	}

E
Eilon Greenstein 已提交
9677
	/* now at last mark the BD as the last BD */
E
Eliezer Tamir 已提交
9678 9679 9680 9681 9682 9683 9684
	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
9685
	/* now send a tx doorbell, counting the next BD
E
Eliezer Tamir 已提交
9686 9687 9688 9689 9690 9691 9692 9693 9694 9695 9696
	 * 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
9697
		   pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
E
Eliezer Tamir 已提交
9698

E
Eilon Greenstein 已提交
9699
	DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d  bd %u\n", nbd, bd_prod);
E
Eliezer Tamir 已提交
9700

E
Eliezer Tamir 已提交
9701 9702
	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
9703
	mb(); /* FW restriction: must not reorder writing nbd and packets */
E
Eliezer Tamir 已提交
9704 9705
	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
9706
	DOORBELL(bp, FP_IDX(fp), 0);
E
Eliezer Tamir 已提交
9707 9708 9709

	mmiowb();

E
Eilon Greenstein 已提交
9710
	fp->tx_bd_prod += nbd;
E
Eliezer Tamir 已提交
9711 9712 9713 9714
	dev->trans_start = jiffies;

	if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
		netif_stop_queue(dev);
Y
Yitchak Gertner 已提交
9715
		bp->eth_stats.driver_xoff++;
E
Eliezer Tamir 已提交
9716 9717 9718 9719 9720 9721 9722 9723
		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
9724
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9725 9726 9727 9728 9729 9730
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
9731
	return bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
9732 9733
}

Y
Yitchak Gertner 已提交
9734
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9735 9736 9737 9738 9739
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
9740 9741 9742 9743
	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
9744 9745 9746 9747

	return 0;
}

9748 9749 9750 9751 9752 9753 9754 9755 9756 9757 9758 9759 9760 9761 9762 9763 9764 9765 9766 9767 9768 9769 9770 9771 9772 9773 9774 9775 9776 9777 9778 9779 9780 9781 9782 9783 9784 9785 9786 9787 9788 9789 9790 9791 9792 9793 9794 9795 9796 9797 9798 9799 9800 9801 9802 9803 9804 9805 9806 9807 9808 9809 9810 9811 9812 9813 9814 9815 9816 9817 9818 9819 9820 9821 9822 9823 9824 9825 9826 9827 9828 9829 9830 9831 9832 9833 9834 9835 9836 9837 9838 9839 9840 9841 9842 9843 9844 9845 9846 9847 9848 9849 9850 9851 9852 9853 9854 9855 9856 9857 9858 9859 9860 9861 9862 9863 9864 9865 9866 9867 9868 9869 9870 9871
/* 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
9872 9873 9874 9875 9876
static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
{
	struct sockaddr *addr = p;
	struct bnx2x *bp = netdev_priv(dev);

9877
	if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
E
Eliezer Tamir 已提交
9878 9879 9880
		return -EINVAL;

	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9881 9882
	if (netif_running(dev)) {
		if (CHIP_IS_E1(bp))
9883
			bnx2x_set_mac_addr_e1(bp, 1);
9884
		else
9885
			bnx2x_set_mac_addr_e1h(bp, 1);
9886
	}
E
Eliezer Tamir 已提交
9887 9888 9889 9890

	return 0;
}

Y
Yaniv Rosner 已提交
9891
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9892 9893 9894 9895
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);
9896
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
9897 9898 9899 9900
	int err;

	switch (cmd) {
	case SIOCGMIIPHY:
9901
		data->phy_id = bp->port.phy_addr;
E
Eliezer Tamir 已提交
9902

E
Eliezer Tamir 已提交
9903
		/* fallthrough */
Y
Yaniv Rosner 已提交
9904

E
Eliezer Tamir 已提交
9905
	case SIOCGMIIREG: {
Y
Yaniv Rosner 已提交
9906
		u16 mii_regval;
E
Eliezer Tamir 已提交
9907

Y
Yaniv Rosner 已提交
9908 9909
		if (!netif_running(dev))
			return -EAGAIN;
E
Eliezer Tamir 已提交
9910

9911
		mutex_lock(&bp->port.phy_mutex);
9912
		err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
Y
Yaniv Rosner 已提交
9913 9914 9915
				      DEFAULT_PHY_DEV_ADDR,
				      (data->reg_num & 0x1f), &mii_regval);
		data->val_out = mii_regval;
9916
		mutex_unlock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
9917 9918 9919 9920 9921 9922 9923
		return err;
	}

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

Y
Yaniv Rosner 已提交
9924 9925 9926
		if (!netif_running(dev))
			return -EAGAIN;

9927
		mutex_lock(&bp->port.phy_mutex);
9928
		err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
Y
Yaniv Rosner 已提交
9929 9930
				       DEFAULT_PHY_DEV_ADDR,
				       (data->reg_num & 0x1f), data->val_in);
9931
		mutex_unlock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
9932 9933 9934 9935 9936 9937 9938 9939 9940 9941
		return err;

	default:
		/* do nothing */
		break;
	}

	return -EOPNOTSUPP;
}

9942
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9943 9944 9945
static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
{
	struct bnx2x *bp = netdev_priv(dev);
9946
	int rc = 0;
E
Eliezer Tamir 已提交
9947 9948 9949 9950 9951 9952

	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
9953
	 * because the actual alloc size is
E
Eliezer Tamir 已提交
9954 9955 9956 9957 9958
	 * only updated as part of load
	 */
	dev->mtu = new_mtu;

	if (netif_running(dev)) {
9959 9960
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
E
Eliezer Tamir 已提交
9961
	}
9962 9963

	return rc;
E
Eliezer Tamir 已提交
9964 9965 9966 9967 9968 9969 9970 9971 9972 9973 9974 9975 9976 9977 9978
}

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
9979
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9980 9981 9982 9983 9984 9985 9986
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))
9987
		bnx2x_set_client_config(bp);
E
Eliezer Tamir 已提交
9988
}
9989

E
Eliezer Tamir 已提交
9990 9991 9992 9993 9994 9995 9996 9997 9998 9999 10000 10001 10002
#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

10003 10004
static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
				    struct net_device *dev)
E
Eliezer Tamir 已提交
10005 10006 10007 10008 10009 10010 10011
{
	struct bnx2x *bp;
	int rc;

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

10012 10013
	bp->dev = dev;
	bp->pdev = pdev;
E
Eliezer Tamir 已提交
10014
	bp->flags = 0;
10015
	bp->func = PCI_FUNC(pdev->devfn);
E
Eliezer Tamir 已提交
10016 10017 10018 10019 10020 10021 10022 10023 10024 10025 10026 10027 10028 10029 10030 10031 10032 10033 10034 10035 10036

	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;
	}

10037 10038 10039 10040 10041 10042 10043
	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
10044

10045 10046 10047
		pci_set_master(pdev);
		pci_save_state(pdev);
	}
E
Eliezer Tamir 已提交
10048 10049 10050 10051 10052 10053 10054 10055 10056 10057 10058 10059 10060 10061 10062 10063 10064 10065 10066 10067 10068 10069 10070 10071 10072 10073 10074 10075 10076 10077 10078 10079 10080

	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;
	}

10081 10082 10083
	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
10084 10085 10086 10087 10088 10089 10090 10091 10092 10093 10094

	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;
	}

10095 10096 10097
	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
10098 10099 10100 10101 10102 10103 10104 10105
	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);

10106 10107 10108 10109 10110 10111 10112
	/* 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
10113

10114 10115
	dev->hard_start_xmit = bnx2x_start_xmit;
	dev->watchdog_timeo = TX_TIMEOUT;
E
Eliezer Tamir 已提交
10116

10117 10118 10119 10120 10121 10122 10123 10124 10125 10126 10127 10128 10129 10130 10131 10132 10133 10134 10135 10136 10137 10138
	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
10139
	dev->features |= NETIF_F_TSO6;
E
Eliezer Tamir 已提交
10140 10141 10142 10143 10144 10145 10146 10147 10148 10149 10150 10151 10152 10153

	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:
10154 10155
	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);
E
Eliezer Tamir 已提交
10156 10157 10158 10159 10160 10161 10162 10163 10164

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

err_out:
	return rc;
}

E
Eliezer Tamir 已提交
10165 10166 10167 10168 10169 10170 10171 10172 10173 10174 10175 10176 10177 10178 10179 10180 10181
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
10182 10183 10184 10185 10186 10187
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
10188 10189
	int rc;
	DECLARE_MAC_BUF(mac);
E
Eliezer Tamir 已提交
10190 10191 10192 10193 10194 10195

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

	/* dev zeroed in init_etherdev */
	dev = alloc_etherdev(sizeof(*bp));
10196 10197
	if (!dev) {
		printk(KERN_ERR PFX "Cannot allocate net device\n");
E
Eliezer Tamir 已提交
10198
		return -ENOMEM;
10199
	}
E
Eliezer Tamir 已提交
10200 10201 10202 10203 10204 10205

	netif_carrier_off(dev);

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

10206
	rc = bnx2x_init_dev(pdev, dev);
E
Eliezer Tamir 已提交
10207 10208 10209 10210 10211 10212 10213
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

	rc = register_netdev(dev);
	if (rc) {
E
Eliezer Tamir 已提交
10214
		dev_err(&pdev->dev, "Cannot register net device\n");
10215
		goto init_one_exit;
E
Eliezer Tamir 已提交
10216 10217 10218 10219
	}

	pci_set_drvdata(pdev, dev);

10220 10221 10222 10223 10224 10225 10226
	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
10227
	printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10228 10229
	       " IRQ %d, ", dev->name, bp->common.name,
	       (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
E
Eliezer Tamir 已提交
10230 10231 10232 10233
	       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
10234
	return 0;
10235 10236 10237 10238 10239 10240 10241 10242 10243 10244 10245 10246 10247 10248 10249 10250 10251

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

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

	free_netdev(dev);

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

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

	return rc;
E
Eliezer Tamir 已提交
10252 10253 10254 10255 10256
}

static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
10257 10258 10259 10260 10261 10262 10263
	struct bnx2x *bp;

	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
10264 10265 10266 10267 10268 10269 10270 10271 10272 10273

	unregister_netdev(dev);

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

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

	free_netdev(dev);
10274 10275 10276 10277

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

E
Eliezer Tamir 已提交
10278 10279 10280 10281 10282 10283 10284
	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);
10285 10286
	struct bnx2x *bp;

10287 10288 10289 10290 10291
	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return -ENODEV;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
10292

10293
	rtnl_lock();
E
Eliezer Tamir 已提交
10294

10295
	pci_save_state(pdev);
10296

10297 10298 10299 10300
	if (!netif_running(dev)) {
		rtnl_unlock();
		return 0;
	}
E
Eliezer Tamir 已提交
10301 10302 10303

	netif_device_detach(dev);

10304
	bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10305

E
Eliezer Tamir 已提交
10306
	bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10307

10308 10309
	rtnl_unlock();

E
Eliezer Tamir 已提交
10310 10311 10312 10313 10314 10315
	return 0;
}

static int bnx2x_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
10316
	struct bnx2x *bp;
E
Eliezer Tamir 已提交
10317 10318
	int rc;

10319 10320 10321 10322 10323
	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return -ENODEV;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
10324

10325 10326
	rtnl_lock();

10327
	pci_restore_state(pdev);
10328 10329 10330 10331 10332 10333

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

E
Eliezer Tamir 已提交
10334 10335 10336
	bnx2x_set_power_state(bp, PCI_D0);
	netif_device_attach(dev);

10337
	rc = bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
10338

10339 10340 10341
	rtnl_unlock();

	return rc;
E
Eliezer Tamir 已提交
10342 10343
}

W
Wendy Xiong 已提交
10344 10345 10346 10347 10348 10349 10350 10351 10352 10353 10354 10355 10356 10357 10358 10359 10360 10361 10362 10363 10364 10365 10366 10367 10368 10369 10370 10371 10372 10373 10374 10375 10376 10377 10378 10379 10380 10381 10382 10383 10384 10385 10386 10387 10388 10389 10390 10391 10392 10393 10394 10395 10396 10397 10398 10399 10400 10401 10402 10403 10404 10405 10406 10407 10408 10409 10410 10411 10412 10413 10414 10415 10416 10417 10418 10419 10420 10421 10422 10423 10424 10425 10426 10427 10428 10429 10430 10431
/**
 * bnx2x_io_error_detected - called when PCI error is detected
 * @pdev: Pointer to PCI device
 * @state: The current pci connection state
 *
 * This function is called after a PCI bus error affecting
 * this device has been detected.
 */
static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
						pci_channel_state_t state)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	netif_device_detach(dev);

	if (netif_running(dev))
		bnx2x_nic_unload(bp, UNLOAD_CLOSE);

	pci_disable_device(pdev);

	rtnl_unlock();

	/* Request a slot reset */
	return PCI_ERS_RESULT_NEED_RESET;
}

/**
 * bnx2x_io_slot_reset - called after the PCI bus has been reset
 * @pdev: Pointer to PCI device
 *
 * Restart the card from scratch, as if from a cold-boot.
 */
static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	if (pci_enable_device(pdev)) {
		dev_err(&pdev->dev,
			"Cannot re-enable PCI device after reset\n");
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

	pci_set_master(pdev);
	pci_restore_state(pdev);

	if (netif_running(dev))
		bnx2x_set_power_state(bp, PCI_D0);

	rtnl_unlock();

	return PCI_ERS_RESULT_RECOVERED;
}

/**
 * bnx2x_io_resume - called when traffic can start flowing again
 * @pdev: Pointer to PCI device
 *
 * This callback is called when the error recovery driver tells us that
 * its OK to resume normal operation.
 */
static void bnx2x_io_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	if (netif_running(dev))
		bnx2x_nic_load(bp, LOAD_OPEN);

	netif_device_attach(dev);

	rtnl_unlock();
}

static struct pci_error_handlers bnx2x_err_handler = {
	.error_detected = bnx2x_io_error_detected,
	.slot_reset = bnx2x_io_slot_reset,
	.resume = bnx2x_io_resume,
};

E
Eliezer Tamir 已提交
10432
static struct pci_driver bnx2x_pci_driver = {
W
Wendy Xiong 已提交
10433 10434 10435 10436 10437 10438 10439
	.name        = DRV_MODULE_NAME,
	.id_table    = bnx2x_pci_tbl,
	.probe       = bnx2x_init_one,
	.remove      = __devexit_p(bnx2x_remove_one),
	.suspend     = bnx2x_suspend,
	.resume      = bnx2x_resume,
	.err_handler = &bnx2x_err_handler,
E
Eliezer Tamir 已提交
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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);