blob: 1adef266fcd50252deb5f8684d6708656a577765 [file] [log] [blame]
/* bnx2x_stats.c: Broadcom Everest network driver.
*
* Copyright (c) 2007-2011 Broadcom Corporation
*
* 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.
*
* Maintained by: Eilon Greenstein <eilong@broadcom.com>
* Written by: Eliezer Tamir
* Based on code from Michael Chan's bnx2 driver
* UDP CSUM errata workaround by Arik Gendelman
* Slowpath and fastpath rework by Vladislav Zolotarov
* Statistics and Link management by Yitchak Gertner
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "bnx2x_stats.h"
#include "bnx2x_cmn.h"
/* Statistics */
/*
* 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
}
static u16 bnx2x_get_port_stats_dma_len(struct bnx2x *bp)
{
u16 res = sizeof(struct host_port_stats) >> 2;
/* if PFC stats are not supported by the MFW, don't DMA them */
if (!(bp->flags & BC_SUPPORTS_PFC_STATS))
res -= (sizeof(u32)*4) >> 2;
return res;
}
/*
* Init service functions
*/
/* Post the next statistics ramrod. Protect it with the spin in
* order to ensure the strict order between statistics ramrods
* (each ramrod has a sequence number passed in a
* bp->fw_stats_req->hdr.drv_stats_counter and ramrods must be
* sent in order).
*/
static void bnx2x_storm_stats_post(struct bnx2x *bp)
{
if (!bp->stats_pending) {
int rc;
spin_lock_bh(&bp->stats_lock);
if (bp->stats_pending) {
spin_unlock_bh(&bp->stats_lock);
return;
}
bp->fw_stats_req->hdr.drv_stats_counter =
cpu_to_le16(bp->stats_counter++);
DP(NETIF_MSG_TIMER, "Sending statistics ramrod %d\n",
bp->fw_stats_req->hdr.drv_stats_counter);
/* send FW stats ramrod */
rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
U64_HI(bp->fw_stats_req_mapping),
U64_LO(bp->fw_stats_req_mapping),
NONE_CONNECTION_TYPE);
if (rc == 0)
bp->stats_pending = 1;
spin_unlock_bh(&bp->stats_lock);
}
}
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;
if (CHIP_REV_IS_SLOW(bp))
return;
/* loader */
if (bp->executer_idx) {
int loader_idx = PMF_DMAE_C(bp);
u32 opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
true, DMAE_COMP_GRC);
opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
memset(dmae, 0, sizeof(struct dmae_command));
dmae->opcode = opcode;
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--;
usleep_range(1000, 1000);
}
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_MF(bp) || !bp->port.pmf || !bp->port.port_stx) {
BNX2X_ERR("BUG!\n");
return;
}
bp->executer_idx = 0;
opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_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 = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
dmae->src_addr_hi = 0;
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);
dmae->len = bnx2x_get_port_stats_dma_len(bp) - 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)
{
struct dmae_command *dmae;
int port = BP_PORT(bp);
u32 opcode;
int loader_idx = PMF_DMAE_C(bp);
u32 mac_addr;
u32 *stats_comp = bnx2x_sp(bp, stats_comp);
/* sanity */
if (!bp->link_vars.link_up || !bp->port.pmf) {
BNX2X_ERR("BUG!\n");
return;
}
bp->executer_idx = 0;
/* MCP */
opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
true, DMAE_COMP_GRC);
if (bp->port.port_stx) {
dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
dmae->opcode = opcode;
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;
dmae->dst_addr_hi = 0;
dmae->len = bnx2x_get_port_stats_dma_len(bp);
dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
dmae->comp_addr_hi = 0;
dmae->comp_val = 1;
}
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;
}
/* MAC */
opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
true, DMAE_COMP_GRC);
/* EMAC is special */
if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
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) +
offsetof(struct emac_stats, rx_stat_falsecarriererrors));
dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
offsetof(struct emac_stats, rx_stat_falsecarriererrors));
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) +
offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
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;
} else {
u32 tx_src_addr_lo, rx_src_addr_lo;
u16 rx_len, tx_len;
/* configure the params according to MAC type */
switch (bp->link_vars.mac_type) {
case MAC_TYPE_BMAC:
mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM);
/* BIGMAC_REGISTER_TX_STAT_GTPKT ..
BIGMAC_REGISTER_TX_STAT_GTBYT */
if (CHIP_IS_E1x(bp)) {
tx_src_addr_lo = (mac_addr +
BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
tx_len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
rx_src_addr_lo = (mac_addr +
BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
rx_len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
} else {
tx_src_addr_lo = (mac_addr +
BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
tx_len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
rx_src_addr_lo = (mac_addr +
BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
rx_len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
}
break;
case MAC_TYPE_UMAC: /* handled by MSTAT */
case MAC_TYPE_XMAC: /* handled by MSTAT */
default:
mac_addr = port ? GRCBASE_MSTAT1 : GRCBASE_MSTAT0;
tx_src_addr_lo = (mac_addr +
MSTAT_REG_TX_STAT_GTXPOK_LO) >> 2;
rx_src_addr_lo = (mac_addr +
MSTAT_REG_RX_STAT_GR64_LO) >> 2;
tx_len = sizeof(bp->slowpath->
mac_stats.mstat_stats.stats_tx) >> 2;
rx_len = sizeof(bp->slowpath->
mac_stats.mstat_stats.stats_rx) >> 2;
break;
}
/* TX stats */
dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
dmae->opcode = opcode;
dmae->src_addr_lo = tx_src_addr_lo;
dmae->src_addr_hi = 0;
dmae->len = tx_len;
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->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
dmae->comp_addr_hi = 0;
dmae->comp_val = 1;
/* RX stats */
dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
dmae->opcode = opcode;
dmae->src_addr_hi = 0;
dmae->src_addr_lo = rx_src_addr_lo;
dmae->dst_addr_lo =
U64_LO(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
dmae->dst_addr_hi =
U64_HI(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
dmae->len = rx_len;
dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
dmae->comp_addr_hi = 0;
dmae->comp_val = 1;
}
/* NIG */
if (!CHIP_IS_E3(bp)) {
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;
dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
dmae->opcode = opcode;
dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
dmae->src_addr_hi = 0;
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 = 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 = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
true, DMAE_COMP_PCI);
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 = 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;
}
static void bnx2x_func_stats_init(struct bnx2x *bp)
{
struct dmae_command *dmae = &bp->stats_dmae;
u32 *stats_comp = bnx2x_sp(bp, stats_comp);
/* sanity */
if (!bp->func_stx) {
BNX2X_ERR("BUG!\n");
return;
}
bp->executer_idx = 0;
memset(dmae, 0, sizeof(struct dmae_command));
dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
true, DMAE_COMP_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;
}
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 host_port_stats *pstats = bnx2x_sp(bp, port_stats);
struct bnx2x_eth_stats *estats = &bp->eth_stats;
struct {
u32 lo;
u32 hi;
} diff;
if (CHIP_IS_E1x(bp)) {
struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
/* the macros below will use "bmac1_stats" type */
UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
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_mac_2047);
UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
UPDATE_STAT64(tx_stat_gterr,
tx_stat_dot3statsinternalmactransmiterrors);
UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
} else {
struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
/* the macros below will use "bmac2_stats" type */
UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
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_mac_2047);
UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
UPDATE_STAT64(tx_stat_gterr,
tx_stat_dot3statsinternalmactransmiterrors);
UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
/* collect PFC stats */
DIFF_64(diff.hi, new->tx_stat_gtpp_hi,
pstats->pfc_frames_tx_hi,
diff.lo, new->tx_stat_gtpp_lo,
pstats->pfc_frames_tx_lo);
pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
ADD_64(pstats->pfc_frames_tx_hi, diff.hi,
pstats->pfc_frames_tx_lo, diff.lo);
DIFF_64(diff.hi, new->rx_stat_grpp_hi,
pstats->pfc_frames_rx_hi,
diff.lo, new->rx_stat_grpp_lo,
pstats->pfc_frames_rx_lo);
pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
ADD_64(pstats->pfc_frames_rx_hi, diff.hi,
pstats->pfc_frames_rx_lo, diff.lo);
}
estats->pause_frames_received_hi =
pstats->mac_stx[1].rx_stat_mac_xpf_hi;
estats->pause_frames_received_lo =
pstats->mac_stx[1].rx_stat_mac_xpf_lo;
estats->pause_frames_sent_hi =
pstats->mac_stx[1].tx_stat_outxoffsent_hi;
estats->pause_frames_sent_lo =
pstats->mac_stx[1].tx_stat_outxoffsent_lo;
estats->pfc_frames_received_hi =
pstats->pfc_frames_rx_hi;
estats->pfc_frames_received_lo =
pstats->pfc_frames_rx_lo;
estats->pfc_frames_sent_hi =
pstats->pfc_frames_tx_hi;
estats->pfc_frames_sent_lo =
pstats->pfc_frames_tx_lo;
}
static void bnx2x_mstat_stats_update(struct bnx2x *bp)
{
struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
struct bnx2x_eth_stats *estats = &bp->eth_stats;
struct mstat_stats *new = bnx2x_sp(bp, mac_stats.mstat_stats);
ADD_STAT64(stats_rx.rx_grerb, rx_stat_ifhcinbadoctets);
ADD_STAT64(stats_rx.rx_grfcs, rx_stat_dot3statsfcserrors);
ADD_STAT64(stats_rx.rx_grund, rx_stat_etherstatsundersizepkts);
ADD_STAT64(stats_rx.rx_grovr, rx_stat_dot3statsframestoolong);
ADD_STAT64(stats_rx.rx_grfrg, rx_stat_etherstatsfragments);
ADD_STAT64(stats_rx.rx_grxcf, rx_stat_maccontrolframesreceived);
ADD_STAT64(stats_rx.rx_grxpf, rx_stat_xoffstateentered);
ADD_STAT64(stats_rx.rx_grxpf, rx_stat_mac_xpf);
ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_outxoffsent);
ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_flowcontroldone);
/* collect pfc stats */
ADD_64(pstats->pfc_frames_tx_hi, new->stats_tx.tx_gtxpp_hi,
pstats->pfc_frames_tx_lo, new->stats_tx.tx_gtxpp_lo);
ADD_64(pstats->pfc_frames_rx_hi, new->stats_rx.rx_grxpp_hi,
pstats->pfc_frames_rx_lo, new->stats_rx.rx_grxpp_lo);
ADD_STAT64(stats_tx.tx_gt64, tx_stat_etherstatspkts64octets);
ADD_STAT64(stats_tx.tx_gt127,
tx_stat_etherstatspkts65octetsto127octets);
ADD_STAT64(stats_tx.tx_gt255,
tx_stat_etherstatspkts128octetsto255octets);
ADD_STAT64(stats_tx.tx_gt511,
tx_stat_etherstatspkts256octetsto511octets);
ADD_STAT64(stats_tx.tx_gt1023,
tx_stat_etherstatspkts512octetsto1023octets);
ADD_STAT64(stats_tx.tx_gt1518,
tx_stat_etherstatspkts1024octetsto1522octets);
ADD_STAT64(stats_tx.tx_gt2047, tx_stat_mac_2047);
ADD_STAT64(stats_tx.tx_gt4095, tx_stat_mac_4095);
ADD_STAT64(stats_tx.tx_gt9216, tx_stat_mac_9216);
ADD_STAT64(stats_tx.tx_gt16383, tx_stat_mac_16383);
ADD_STAT64(stats_tx.tx_gterr,
tx_stat_dot3statsinternalmactransmiterrors);
ADD_STAT64(stats_tx.tx_gtufl, tx_stat_mac_ufl);
ADD_64(estats->etherstatspkts1024octetsto1522octets_hi,
new->stats_tx.tx_gt1518_hi,
estats->etherstatspkts1024octetsto1522octets_lo,
new->stats_tx.tx_gt1518_lo);
ADD_64(estats->etherstatspktsover1522octets_hi,
new->stats_tx.tx_gt2047_hi,
estats->etherstatspktsover1522octets_lo,
new->stats_tx.tx_gt2047_lo);
ADD_64(estats->etherstatspktsover1522octets_hi,
new->stats_tx.tx_gt4095_hi,
estats->etherstatspktsover1522octets_lo,
new->stats_tx.tx_gt4095_lo);
ADD_64(estats->etherstatspktsover1522octets_hi,
new->stats_tx.tx_gt9216_hi,
estats->etherstatspktsover1522octets_lo,
new->stats_tx.tx_gt9216_lo);
ADD_64(estats->etherstatspktsover1522octets_hi,
new->stats_tx.tx_gt16383_hi,
estats->etherstatspktsover1522octets_lo,
new->stats_tx.tx_gt16383_lo);
estats->pause_frames_received_hi =
pstats->mac_stx[1].rx_stat_mac_xpf_hi;
estats->pause_frames_received_lo =
pstats->mac_stx[1].rx_stat_mac_xpf_lo;
estats->pause_frames_sent_hi =
pstats->mac_stx[1].tx_stat_outxoffsent_hi;
estats->pause_frames_sent_lo =
pstats->mac_stx[1].tx_stat_outxoffsent_lo;
estats->pfc_frames_received_hi =
pstats->pfc_frames_rx_hi;
estats->pfc_frames_received_lo =
pstats->pfc_frames_rx_lo;
estats->pfc_frames_sent_hi =
pstats->pfc_frames_tx_hi;
estats->pfc_frames_sent_lo =
pstats->pfc_frames_tx_lo;
}
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);
struct bnx2x_eth_stats *estats = &bp->eth_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);
estats->pause_frames_received_hi =
pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
estats->pause_frames_received_lo =
pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
ADD_64(estats->pause_frames_received_hi,
pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
estats->pause_frames_received_lo,
pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
estats->pause_frames_sent_hi =
pstats->mac_stx[1].tx_stat_outxonsent_hi;
estats->pause_frames_sent_lo =
pstats->mac_stx[1].tx_stat_outxonsent_lo;
ADD_64(estats->pause_frames_sent_hi,
pstats->mac_stx[1].tx_stat_outxoffsent_hi,
estats->pause_frames_sent_lo,
pstats->mac_stx[1].tx_stat_outxoffsent_lo);
}
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 {
u32 lo;
u32 hi;
} diff;
switch (bp->link_vars.mac_type) {
case MAC_TYPE_BMAC:
bnx2x_bmac_stats_update(bp);
break;
case MAC_TYPE_EMAC:
bnx2x_emac_stats_update(bp);
break;
case MAC_TYPE_UMAC:
case MAC_TYPE_XMAC:
bnx2x_mstat_stats_update(bp);
break;
case MAC_TYPE_NONE: /* unreached */
DP(BNX2X_MSG_STATS,
"stats updated by DMAE but no MAC active\n");
return -1;
default: /* unreached */
BNX2X_ERR("Unknown MAC type\n");
}
ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
new->brb_discard - old->brb_discard);
ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
new->brb_truncate - old->brb_truncate);
if (!CHIP_IS_E3(bp)) {
UPDATE_STAT64_NIG(egress_mac_pkt0,
etherstatspkts1024octetsto1522octets);
UPDATE_STAT64_NIG(egress_mac_pkt1,
etherstatspktsover1522octets);
}
memcpy(old, new, sizeof(struct nig_stats));
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;
pstats->host_port_stats_counter++;
if (!BP_NOMCP(bp)) {
u32 nig_timer_max =
SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
if (nig_timer_max != estats->nig_timer_max) {
estats->nig_timer_max = nig_timer_max;
BNX2X_ERR("NIG timer max (%u)\n",
estats->nig_timer_max);
}
}
return 0;
}
static int bnx2x_storm_stats_update(struct bnx2x *bp)
{
struct tstorm_per_port_stats *tport =
&bp->fw_stats_data->port.tstorm_port_statistics;
struct tstorm_per_pf_stats *tfunc =
&bp->fw_stats_data->pf.tstorm_pf_statistics;
struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
struct bnx2x_eth_stats *estats = &bp->eth_stats;
struct stats_counter *counters = &bp->fw_stats_data->storm_counters;
int i;
u16 cur_stats_counter;
/* Make sure we use the value of the counter
* used for sending the last stats ramrod.
*/
spin_lock_bh(&bp->stats_lock);
cur_stats_counter = bp->stats_counter - 1;
spin_unlock_bh(&bp->stats_lock);
/* are storm stats valid? */
if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) {
DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
" xstorm counter (0x%x) != stats_counter (0x%x)\n",
le16_to_cpu(counters->xstats_counter), bp->stats_counter);
return -EAGAIN;
}
if (le16_to_cpu(counters->ustats_counter) != cur_stats_counter) {
DP(BNX2X_MSG_STATS, "stats not updated by ustorm"
" ustorm counter (0x%x) != stats_counter (0x%x)\n",
le16_to_cpu(counters->ustats_counter), bp->stats_counter);
return -EAGAIN;
}
if (le16_to_cpu(counters->cstats_counter) != cur_stats_counter) {
DP(BNX2X_MSG_STATS, "stats not updated by cstorm"
" cstorm counter (0x%x) != stats_counter (0x%x)\n",
le16_to_cpu(counters->cstats_counter), bp->stats_counter);
return -EAGAIN;
}
if (le16_to_cpu(counters->tstats_counter) != cur_stats_counter) {
DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
" tstorm counter (0x%x) != stats_counter (0x%x)\n",
le16_to_cpu(counters->tstats_counter), bp->stats_counter);
return -EAGAIN;
}
memcpy(&(fstats->total_bytes_received_hi),
&(bnx2x_sp(bp, func_stats_base)->total_bytes_received_hi),
sizeof(struct host_func_stats) - 2*sizeof(u32));
estats->error_bytes_received_hi = 0;
estats->error_bytes_received_lo = 0;
estats->etherstatsoverrsizepkts_hi = 0;
estats->etherstatsoverrsizepkts_lo = 0;
estats->no_buff_discard_hi = 0;
estats->no_buff_discard_lo = 0;
estats->total_tpa_aggregations_hi = 0;
estats->total_tpa_aggregations_lo = 0;
estats->total_tpa_aggregated_frames_hi = 0;
estats->total_tpa_aggregated_frames_lo = 0;
estats->total_tpa_bytes_hi = 0;
estats->total_tpa_bytes_lo = 0;
for_each_eth_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
struct tstorm_per_queue_stats *tclient =
&bp->fw_stats_data->queue_stats[i].
tstorm_queue_statistics;
struct tstorm_per_queue_stats *old_tclient = &fp->old_tclient;
struct ustorm_per_queue_stats *uclient =
&bp->fw_stats_data->queue_stats[i].
ustorm_queue_statistics;
struct ustorm_per_queue_stats *old_uclient = &fp->old_uclient;
struct xstorm_per_queue_stats *xclient =
&bp->fw_stats_data->queue_stats[i].
xstorm_queue_statistics;
struct xstorm_per_queue_stats *old_xclient = &fp->old_xclient;
struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
u32 diff;
DP(BNX2X_MSG_STATS, "queue[%d]: ucast_sent 0x%x, "
"bcast_sent 0x%x mcast_sent 0x%x\n",
i, xclient->ucast_pkts_sent,
xclient->bcast_pkts_sent, xclient->mcast_pkts_sent);
DP(BNX2X_MSG_STATS, "---------------\n");
qstats->total_broadcast_bytes_received_hi =
le32_to_cpu(tclient->rcv_bcast_bytes.hi);
qstats->total_broadcast_bytes_received_lo =
le32_to_cpu(tclient->rcv_bcast_bytes.lo);
qstats->total_multicast_bytes_received_hi =
le32_to_cpu(tclient->rcv_mcast_bytes.hi);
qstats->total_multicast_bytes_received_lo =
le32_to_cpu(tclient->rcv_mcast_bytes.lo);
qstats->total_unicast_bytes_received_hi =
le32_to_cpu(tclient->rcv_ucast_bytes.hi);
qstats->total_unicast_bytes_received_lo =
le32_to_cpu(tclient->rcv_ucast_bytes.lo);
/*
* sum to total_bytes_received all
* unicast/multicast/broadcast
*/
qstats->total_bytes_received_hi =
qstats->total_broadcast_bytes_received_hi;
qstats->total_bytes_received_lo =
qstats->total_broadcast_bytes_received_lo;
ADD_64(qstats->total_bytes_received_hi,
qstats->total_multicast_bytes_received_hi,
qstats->total_bytes_received_lo,
qstats->total_multicast_bytes_received_lo);
ADD_64(qstats->total_bytes_received_hi,
qstats->total_unicast_bytes_received_hi,
qstats->total_bytes_received_lo,
qstats->total_unicast_bytes_received_lo);
qstats->valid_bytes_received_hi =
qstats->total_bytes_received_hi;
qstats->valid_bytes_received_lo =
qstats->total_bytes_received_lo;
UPDATE_EXTEND_TSTAT(rcv_ucast_pkts,
total_unicast_packets_received);
UPDATE_EXTEND_TSTAT(rcv_mcast_pkts,
total_multicast_packets_received);
UPDATE_EXTEND_TSTAT(rcv_bcast_pkts,
total_broadcast_packets_received);
UPDATE_EXTEND_TSTAT(pkts_too_big_discard,
etherstatsoverrsizepkts);
UPDATE_EXTEND_TSTAT(no_buff_discard, no_buff_discard);
SUB_EXTEND_USTAT(ucast_no_buff_pkts,
total_unicast_packets_received);
SUB_EXTEND_USTAT(mcast_no_buff_pkts,
total_multicast_packets_received);
SUB_EXTEND_USTAT(bcast_no_buff_pkts,
total_broadcast_packets_received);
UPDATE_EXTEND_USTAT(ucast_no_buff_pkts, no_buff_discard);
UPDATE_EXTEND_USTAT(mcast_no_buff_pkts, no_buff_discard);
UPDATE_EXTEND_USTAT(bcast_no_buff_pkts, no_buff_discard);
qstats->total_broadcast_bytes_transmitted_hi =
le32_to_cpu(xclient->bcast_bytes_sent.hi);
qstats->total_broadcast_bytes_transmitted_lo =
le32_to_cpu(xclient->bcast_bytes_sent.lo);
qstats->total_multicast_bytes_transmitted_hi =
le32_to_cpu(xclient->mcast_bytes_sent.hi);
qstats->total_multicast_bytes_transmitted_lo =
le32_to_cpu(xclient->mcast_bytes_sent.lo);
qstats->total_unicast_bytes_transmitted_hi =
le32_to_cpu(xclient->ucast_bytes_sent.hi);
qstats->total_unicast_bytes_transmitted_lo =
le32_to_cpu(xclient->ucast_bytes_sent.lo);
/*
* sum to total_bytes_transmitted all
* unicast/multicast/broadcast
*/
qstats->total_bytes_transmitted_hi =
qstats->total_unicast_bytes_transmitted_hi;
qstats->total_bytes_transmitted_lo =
qstats->total_unicast_bytes_transmitted_lo;
ADD_64(qstats->total_bytes_transmitted_hi,
qstats->total_broadcast_bytes_transmitted_hi,
qstats->total_bytes_transmitted_lo,
qstats->total_broadcast_bytes_transmitted_lo);
ADD_64(qstats->total_bytes_transmitted_hi,
qstats->total_multicast_bytes_transmitted_hi,
qstats->total_bytes_transmitted_lo,
qstats->total_multicast_bytes_transmitted_lo);
UPDATE_EXTEND_XSTAT(ucast_pkts_sent,
total_unicast_packets_transmitted);
UPDATE_EXTEND_XSTAT(mcast_pkts_sent,
total_multicast_packets_transmitted);
UPDATE_EXTEND_XSTAT(bcast_pkts_sent,
total_broadcast_packets_transmitted);
UPDATE_EXTEND_TSTAT(checksum_discard,
total_packets_received_checksum_discarded);
UPDATE_EXTEND_TSTAT(ttl0_discard,
total_packets_received_ttl0_discarded);
UPDATE_EXTEND_XSTAT(error_drop_pkts,
total_transmitted_dropped_packets_error);
/* TPA aggregations completed */
UPDATE_EXTEND_USTAT(coalesced_events, total_tpa_aggregations);
/* Number of network frames aggregated by TPA */
UPDATE_EXTEND_USTAT(coalesced_pkts,
total_tpa_aggregated_frames);
/* Total number of bytes in completed TPA aggregations */
qstats->total_tpa_bytes_lo =
le32_to_cpu(uclient->coalesced_bytes.lo);
qstats->total_tpa_bytes_hi =
le32_to_cpu(uclient->coalesced_bytes.hi);
/* TPA stats per-function */
ADD_64(estats->total_tpa_aggregations_hi,
qstats->total_tpa_aggregations_hi,
estats->total_tpa_aggregations_lo,
qstats->total_tpa_aggregations_lo);
ADD_64(estats->total_tpa_aggregated_frames_hi,
qstats->total_tpa_aggregated_frames_hi,
estats->total_tpa_aggregated_frames_lo,
qstats->total_tpa_aggregated_frames_lo);
ADD_64(estats->total_tpa_bytes_hi,
qstats->total_tpa_bytes_hi,
estats->total_tpa_bytes_lo,
qstats->total_tpa_bytes_lo);
ADD_64(fstats->total_bytes_received_hi,
qstats->total_bytes_received_hi,
fstats->total_bytes_received_lo,
qstats->total_bytes_received_lo);
ADD_64(fstats->total_bytes_transmitted_hi,
qstats->total_bytes_transmitted_hi,
fstats->total_bytes_transmitted_lo,
qstats->total_bytes_transmitted_lo);
ADD_64(fstats->total_unicast_packets_received_hi,
qstats->total_unicast_packets_received_hi,
fstats->total_unicast_packets_received_lo,
qstats->total_unicast_packets_received_lo);
ADD_64(fstats->total_multicast_packets_received_hi,
qstats->total_multicast_packets_received_hi,
fstats->total_multicast_packets_received_lo,
qstats->total_multicast_packets_received_lo);
ADD_64(fstats->total_broadcast_packets_received_hi,
qstats->total_broadcast_packets_received_hi,
fstats->total_broadcast_packets_received_lo,
qstats->total_broadcast_packets_received_lo);
ADD_64(fstats->total_unicast_packets_transmitted_hi,
qstats->total_unicast_packets_transmitted_hi,
fstats->total_unicast_packets_transmitted_lo,
qstats->total_unicast_packets_transmitted_lo);
ADD_64(fstats->total_multicast_packets_transmitted_hi,
qstats->total_multicast_packets_transmitted_hi,
fstats->total_multicast_packets_transmitted_lo,
qstats->total_multicast_packets_transmitted_lo);
ADD_64(fstats->total_broadcast_packets_transmitted_hi,
qstats->total_broadcast_packets_transmitted_hi,
fstats->total_broadcast_packets_transmitted_lo,
qstats->total_broadcast_packets_transmitted_lo);
ADD_64(fstats->valid_bytes_received_hi,
qstats->valid_bytes_received_hi,
fstats->valid_bytes_received_lo,
qstats->valid_bytes_received_lo);
ADD_64(estats->etherstatsoverrsizepkts_hi,
qstats->etherstatsoverrsizepkts_hi,
estats->etherstatsoverrsizepkts_lo,
qstats->etherstatsoverrsizepkts_lo);
ADD_64(estats->no_buff_discard_hi, qstats->no_buff_discard_hi,
estats->no_buff_discard_lo, qstats->no_buff_discard_lo);
}
ADD_64(fstats->total_bytes_received_hi,
estats->rx_stat_ifhcinbadoctets_hi,
fstats->total_bytes_received_lo,
estats->rx_stat_ifhcinbadoctets_lo);
ADD_64(fstats->total_bytes_received_hi,
le32_to_cpu(tfunc->rcv_error_bytes.hi),
fstats->total_bytes_received_lo,
le32_to_cpu(tfunc->rcv_error_bytes.lo));
memcpy(estats, &(fstats->total_bytes_received_hi),
sizeof(struct host_func_stats) - 2*sizeof(u32));
ADD_64(estats->error_bytes_received_hi,
le32_to_cpu(tfunc->rcv_error_bytes.hi),
estats->error_bytes_received_lo,
le32_to_cpu(tfunc->rcv_error_bytes.lo));
ADD_64(estats->etherstatsoverrsizepkts_hi,
estats->rx_stat_dot3statsframestoolong_hi,
estats->etherstatsoverrsizepkts_lo,
estats->rx_stat_dot3statsframestoolong_lo);
ADD_64(estats->error_bytes_received_hi,
estats->rx_stat_ifhcinbadoctets_hi,
estats->error_bytes_received_lo,
estats->rx_stat_ifhcinbadoctets_lo);
if (bp->port.pmf) {
estats->mac_filter_discard =
le32_to_cpu(tport->mac_filter_discard);
estats->mf_tag_discard =
le32_to_cpu(tport->mf_tag_discard);
estats->brb_truncate_discard =
le32_to_cpu(tport->brb_truncate_discard);
estats->mac_discard = le32_to_cpu(tport->mac_discard);
}
fstats->host_func_stats_start = ++fstats->host_func_stats_end;
bp->stats_pending = 0;
return 0;
}
static void bnx2x_net_stats_update(struct bnx2x *bp)
{
struct bnx2x_eth_stats *estats = &bp->eth_stats;
struct net_device_stats *nstats = &bp->dev->stats;
unsigned long tmp;
int i;
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);
nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
tmp = estats->mac_discard;
for_each_rx_queue(bp, i)
tmp += le32_to_cpu(bp->fp[i].old_tclient.checksum_discard);
nstats->rx_dropped = tmp;
nstats->tx_dropped = 0;
nstats->multicast =
bnx2x_hilo(&estats->total_multicast_packets_received_hi);
nstats->collisions =
bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
nstats->rx_length_errors =
bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
bnx2x_hilo(&estats->brb_truncate_hi);
nstats->rx_crc_errors =
bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
nstats->rx_frame_errors =
bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
nstats->rx_missed_errors = 0;
nstats->rx_errors = nstats->rx_length_errors +
nstats->rx_over_errors +
nstats->rx_crc_errors +
nstats->rx_frame_errors +
nstats->rx_fifo_errors +
nstats->rx_missed_errors;
nstats->tx_aborted_errors =
bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
nstats->tx_carrier_errors =
bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
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 +
bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
}
static void bnx2x_drv_stats_update(struct bnx2x *bp)
{
struct bnx2x_eth_stats *estats = &bp->eth_stats;
int i;
estats->driver_xoff = 0;
estats->rx_err_discard_pkt = 0;
estats->rx_skb_alloc_failed = 0;
estats->hw_csum_err = 0;
for_each_queue(bp, i) {
struct bnx2x_eth_q_stats *qstats = &bp->fp[i].eth_q_stats;
estats->driver_xoff += qstats->driver_xoff;
estats->rx_err_discard_pkt += qstats->rx_err_discard_pkt;
estats->rx_skb_alloc_failed += qstats->rx_skb_alloc_failed;
estats->hw_csum_err += qstats->hw_csum_err;
}
}
static bool bnx2x_edebug_stats_stopped(struct bnx2x *bp)
{
u32 val;
if (SHMEM2_HAS(bp, edebug_driver_if[1])) {
val = SHMEM2_RD(bp, edebug_driver_if[1]);
if (val == EDEBUG_DRIVER_IF_OP_CODE_DISABLE_STAT)
return true;
}
return false;
}
static void bnx2x_stats_update(struct bnx2x *bp)
{
u32 *stats_comp = bnx2x_sp(bp, stats_comp);
if (bnx2x_edebug_stats_stopped(bp))
return;
if (*stats_comp != DMAE_COMP_VAL)
return;
if (bp->port.pmf)
bnx2x_hw_stats_update(bp);
if (bnx2x_storm_stats_update(bp) && (bp->stats_pending++ == 3)) {
BNX2X_ERR("storm stats were not updated for 3 times\n");
bnx2x_panic();
return;
}
bnx2x_net_stats_update(bp);
bnx2x_drv_stats_update(bp);
if (netif_msg_timer(bp)) {
struct bnx2x_eth_stats *estats = &bp->eth_stats;
int i, cos;
netdev_dbg(bp->dev, "brb drops %u brb truncate %u\n",
estats->brb_drop_lo, estats->brb_truncate_lo);
for_each_eth_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
pr_debug("%s: rx usage(%4u) *rx_cons_sb(%u) rx pkt(%lu) rx calls(%lu %lu)\n",
fp->name, (le16_to_cpu(*fp->rx_cons_sb) -
fp->rx_comp_cons),
le16_to_cpu(*fp->rx_cons_sb),
bnx2x_hilo(&qstats->
total_unicast_packets_received_hi),
fp->rx_calls, fp->rx_pkt);
}
for_each_eth_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
struct bnx2x_fp_txdata *txdata;
struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
struct netdev_queue *txq;
pr_debug("%s: tx pkt(%lu) (Xoff events %u)",
fp->name,
bnx2x_hilo(
&qstats->total_unicast_packets_transmitted_hi),
qstats->driver_xoff);
for_each_cos_in_tx_queue(fp, cos) {
txdata = &fp->txdata[cos];
txq = netdev_get_tx_queue(bp->dev,
FP_COS_TO_TXQ(fp, cos));
pr_debug("%d: tx avail(%4u) *tx_cons_sb(%u) tx calls (%lu) %s\n",
cos,
bnx2x_tx_avail(bp, txdata),
le16_to_cpu(*txdata->tx_cons_sb),
txdata->tx_pkt,
(netif_tx_queue_stopped(txq) ?
"Xoff" : "Xon")
);
}
}
}
bnx2x_hw_stats_post(bp);
bnx2x_storm_stats_post(bp);
}
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);
bp->executer_idx = 0;
opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
if (bp->port.port_stx) {
dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
if (bp->func_stx)
dmae->opcode = bnx2x_dmae_opcode_add_comp(
opcode, DMAE_COMP_GRC);
else
dmae->opcode = bnx2x_dmae_opcode_add_comp(
opcode, DMAE_COMP_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;
dmae->dst_addr_hi = 0;
dmae->len = bnx2x_get_port_stats_dma_len(bp);
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;
*stats_comp = 0;
}
}
if (bp->func_stx) {
dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
dmae->opcode =
bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_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;
}
}
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);
if (bp->port.pmf)
bnx2x_port_stats_stop(bp);
bnx2x_hw_stats_post(bp);
bnx2x_stats_comp(bp);
}
}
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}
}
};
void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
{
enum bnx2x_stats_state state;
if (unlikely(bp->panic))
return;
spin_lock_bh(&bp->stats_lock);
state = bp->stats_state;
bp->stats_state = bnx2x_stats_stm[state][event].next_state;
spin_unlock_bh(&bp->stats_lock);
bnx2x_stats_stm[state][event].action(bp);
if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
state, event, bp->stats_state);
}
static void bnx2x_port_stats_base_init(struct bnx2x *bp)
{
struct dmae_command *dmae;
u32 *stats_comp = bnx2x_sp(bp, stats_comp);
/* sanity */
if (!bp->port.pmf || !bp->port.port_stx) {
BNX2X_ERR("BUG!\n");
return;
}
bp->executer_idx = 0;
dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
true, DMAE_COMP_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;
dmae->dst_addr_hi = 0;
dmae->len = bnx2x_get_port_stats_dma_len(bp);
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_func_stats_base_init(struct bnx2x *bp)
{
int vn, vn_max = IS_MF(bp) ? BP_MAX_VN_NUM(bp) : E1VN_MAX;
u32 func_stx;
/* sanity */
if (!bp->port.pmf || !bp->func_stx) {
BNX2X_ERR("BUG!\n");
return;
}
/* save our func_stx */
func_stx = bp->func_stx;
for (vn = VN_0; vn < vn_max; vn++) {
int mb_idx = BP_FW_MB_IDX_VN(bp, vn);
bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
bnx2x_func_stats_init(bp);
bnx2x_hw_stats_post(bp);
bnx2x_stats_comp(bp);
}
/* restore our func_stx */
bp->func_stx = func_stx;
}
static void bnx2x_func_stats_base_update(struct bnx2x *bp)
{
struct dmae_command *dmae = &bp->stats_dmae;
u32 *stats_comp = bnx2x_sp(bp, stats_comp);
/* sanity */
if (!bp->func_stx) {
BNX2X_ERR("BUG!\n");
return;
}
bp->executer_idx = 0;
memset(dmae, 0, sizeof(struct dmae_command));
dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
true, DMAE_COMP_PCI);
dmae->src_addr_lo = bp->func_stx >> 2;
dmae->src_addr_hi = 0;
dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats_base));
dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats_base));
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;
bnx2x_hw_stats_post(bp);
bnx2x_stats_comp(bp);
}
/**
* This function will prepare the statistics ramrod data the way
* we will only have to increment the statistics counter and
* send the ramrod each time we have to.
*
* @param bp
*/
static inline void bnx2x_prep_fw_stats_req(struct bnx2x *bp)
{
int i;
int first_queue_query_index;
struct stats_query_header *stats_hdr = &bp->fw_stats_req->hdr;
dma_addr_t cur_data_offset;
struct stats_query_entry *cur_query_entry;
stats_hdr->cmd_num = bp->fw_stats_num;
stats_hdr->drv_stats_counter = 0;
/* storm_counters struct contains the counters of completed
* statistics requests per storm which are incremented by FW
* each time it completes hadning a statistics ramrod. We will
* check these counters in the timer handler and discard a
* (statistics) ramrod completion.
*/
cur_data_offset = bp->fw_stats_data_mapping +
offsetof(struct bnx2x_fw_stats_data, storm_counters);
stats_hdr->stats_counters_addrs.hi =
cpu_to_le32(U64_HI(cur_data_offset));
stats_hdr->stats_counters_addrs.lo =
cpu_to_le32(U64_LO(cur_data_offset));
/* prepare to the first stats ramrod (will be completed with
* the counters equal to zero) - init counters to somethig different.
*/
memset(&bp->fw_stats_data->storm_counters, 0xff,
sizeof(struct stats_counter));
/**** Port FW statistics data ****/
cur_data_offset = bp->fw_stats_data_mapping +
offsetof(struct bnx2x_fw_stats_data, port);
cur_query_entry = &bp->fw_stats_req->query[BNX2X_PORT_QUERY_IDX];
cur_query_entry->kind = STATS_TYPE_PORT;
/* For port query index is a DONT CARE */
cur_query_entry->index = BP_PORT(bp);
/* For port query funcID is a DONT CARE */
cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
/**** PF FW statistics data ****/
cur_data_offset = bp->fw_stats_data_mapping +
offsetof(struct bnx2x_fw_stats_data, pf);
cur_query_entry = &bp->fw_stats_req->query[BNX2X_PF_QUERY_IDX];
cur_query_entry->kind = STATS_TYPE_PF;
/* For PF query index is a DONT CARE */
cur_query_entry->index = BP_PORT(bp);
cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
/**** FCoE FW statistics data ****/
if (!NO_FCOE(bp)) {
cur_data_offset = bp->fw_stats_data_mapping +
offsetof(struct bnx2x_fw_stats_data, fcoe);
cur_query_entry =
&bp->fw_stats_req->query[BNX2X_FCOE_QUERY_IDX];
cur_query_entry->kind = STATS_TYPE_FCOE;
/* For FCoE query index is a DONT CARE */
cur_query_entry->index = BP_PORT(bp);
cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
cur_query_entry->address.hi =
cpu_to_le32(U64_HI(cur_data_offset));
cur_query_entry->address.lo =
cpu_to_le32(U64_LO(cur_data_offset));
}
/**** Clients' queries ****/
cur_data_offset = bp->fw_stats_data_mapping +
offsetof(struct bnx2x_fw_stats_data, queue_stats);
/* first queue query index depends whether FCoE offloaded request will
* be included in the ramrod
*/
if (!NO_FCOE(bp))
first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX;
else
first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - 1;
for_each_eth_queue(bp, i) {
cur_query_entry =
&bp->fw_stats_req->
query[first_queue_query_index + i];
cur_query_entry->kind = STATS_TYPE_QUEUE;
cur_query_entry->index = bnx2x_stats_id(&bp->fp[i]);
cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
cur_query_entry->address.hi =
cpu_to_le32(U64_HI(cur_data_offset));
cur_query_entry->address.lo =
cpu_to_le32(U64_LO(cur_data_offset));
cur_data_offset += sizeof(struct per_queue_stats);
}
/* add FCoE queue query if needed */
if (!NO_FCOE(bp)) {
cur_query_entry =
&bp->fw_stats_req->
query[first_queue_query_index + i];
cur_query_entry->kind = STATS_TYPE_QUEUE;
cur_query_entry->index = bnx2x_stats_id(&bp->fp[FCOE_IDX]);
cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
cur_query_entry->address.hi =
cpu_to_le32(U64_HI(cur_data_offset));
cur_query_entry->address.lo =
cpu_to_le32(U64_LO(cur_data_offset));
}
}
void bnx2x_stats_init(struct bnx2x *bp)
{
int /*abs*/port = BP_PORT(bp);
int mb_idx = BP_FW_MB_IDX(bp);
int i;
bp->stats_pending = 0;
bp->executer_idx = 0;
bp->stats_counter = 0;
/* port and func stats for management */
if (!BP_NOMCP(bp)) {
bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
} else {
bp->port.port_stx = 0;
bp->func_stx = 0;
}
DP(BNX2X_MSG_STATS, "port_stx 0x%x func_stx 0x%x\n",
bp->port.port_stx, bp->func_stx);
port = BP_PORT(bp);
/* port stats */
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);
bp->port.old_nig_stats.brb_truncate =
REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
if (!CHIP_IS_E3(bp)) {
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 */
for_each_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
memset(&fp->old_tclient, 0, sizeof(fp->old_tclient));
memset(&fp->old_uclient, 0, sizeof(fp->old_uclient));
memset(&fp->old_xclient, 0, sizeof(fp->old_xclient));
memset(&fp->eth_q_stats, 0, sizeof(fp->eth_q_stats));
}
/* Prepare statistics ramrod data */
bnx2x_prep_fw_stats_req(bp);
memset(&bp->dev->stats, 0, sizeof(bp->dev->stats));
memset(&bp->eth_stats, 0, sizeof(bp->eth_stats));
bp->stats_state = STATS_STATE_DISABLED;
if (bp->port.pmf) {
if (bp->port.port_stx)
bnx2x_port_stats_base_init(bp);
if (bp->func_stx)
bnx2x_func_stats_base_init(bp);
} else if (bp->func_stx)
bnx2x_func_stats_base_update(bp);
}