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linux-next/drivers/net/bnx2x/bnx2x_stats.c
Vladislav Zolotarov 9bcb8018cf bnx2x: Fix the race on bp->stats_pending. 
Fix the race on bp->stats_pending between the timer and a LINK_UP event
handler.

Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-09 15:47:47 -08:00

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/* bnx2x_stats.c: Broadcom Everest network driver.
*
* Copyright (c) 2007-2010 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
*
*/
#include "bnx2x_cmn.h"
#include "bnx2x_stats.h"
/* 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 { \
if (m_lo < s_lo) { \
/* underflow */ \
d_hi = m_hi - s_hi; \
if (d_hi > 0) { \
/* we can 'loan' 1 */ \
d_hi--; \
d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
} else { \
/* m_hi <= s_hi */ \
d_hi = 0; \
d_lo = 0; \
} \
} else { \
/* m_lo >= s_lo */ \
if (m_hi < s_hi) { \
d_hi = 0; \
d_lo = 0; \
} else { \
/* m_hi >= s_hi */ \
d_hi = m_hi - s_hi; \
d_lo = m_lo - s_lo; \
} \
} \
} while (0)
#define UPDATE_STAT64(s, t) \
do { \
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); \
} while (0)
#define UPDATE_STAT64_NIG(s, t) \
do { \
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); \
} 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)
#define UPDATE_EXTEND_STAT(s) \
do { \
ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
pstats->mac_stx[1].s##_lo, \
new->s); \
} while (0)
#define UPDATE_EXTEND_TSTAT(s, t) \
do { \
diff = le32_to_cpu(tclient->s) - le32_to_cpu(old_tclient->s); \
old_tclient->s = tclient->s; \
ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
} while (0)
#define UPDATE_EXTEND_USTAT(s, t) \
do { \
diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
old_uclient->s = uclient->s; \
ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
} while (0)
#define UPDATE_EXTEND_XSTAT(s, t) \
do { \
diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \
old_xclient->s = xclient->s; \
ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
} while (0)
/* minuend -= subtrahend */
#define SUB_64(m_hi, s_hi, m_lo, s_lo) \
do { \
DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
} while (0)
/* minuend[hi:lo] -= subtrahend */
#define SUB_EXTEND_64(m_hi, m_lo, s) \
do { \
SUB_64(m_hi, 0, m_lo, s); \
} while (0)
#define SUB_EXTEND_USTAT(s, t) \
do { \
diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
} 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
*/
static void bnx2x_storm_stats_post(struct bnx2x *bp)
{
if (!bp->stats_pending) {
struct common_query_ramrod_data ramrod_data = {0};
int i, rc;
spin_lock_bh(&bp->stats_lock);
if (bp->stats_pending) {
spin_unlock_bh(&bp->stats_lock);
return;
}
ramrod_data.drv_counter = bp->stats_counter++;
ramrod_data.collect_port = bp->port.pmf ? 1 : 0;
for_each_eth_queue(bp, i)
ramrod_data.ctr_id_vector |= (1 << bp->fp[i].cl_id);
rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
((u32 *)&ramrod_data)[1],
((u32 *)&ramrod_data)[0], 1);
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--;
msleep(1);
}
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 = (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)
{
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 = 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;
}
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);
if (bp->link_vars.mac_type == 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 */
dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
dmae->opcode = opcode;
if (CHIP_IS_E1x(bp)) {
dmae->src_addr_lo = (mac_addr +
BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
} else {
dmae->src_addr_lo = (mac_addr +
BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
dmae->len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 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->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_hi = 0;
if (CHIP_IS_E1x(bp)) {
dmae->src_addr_lo = (mac_addr +
BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
dmae->dst_addr_lo =
U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
offsetof(struct bmac1_stats, rx_stat_gr64_lo));
dmae->dst_addr_hi =
U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
offsetof(struct bmac1_stats, rx_stat_gr64_lo));
dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
} else {
dmae->src_addr_lo =
(mac_addr + BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
dmae->dst_addr_lo =
U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
offsetof(struct bmac2_stats, rx_stat_gr64_lo));
dmae->dst_addr_hi =
U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
offsetof(struct bmac2_stats, rx_stat_gr64_lo));
dmae->len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
BIGMAC2_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;
} else 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;
}
/* NIG */
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;
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_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 = 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_bmac_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_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);
} 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_bmac_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_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);
}
estats->pause_frames_received_hi =
pstats->mac_stx[1].rx_stat_bmac_xpf_hi;
estats->pause_frames_received_lo =
pstats->mac_stx[1].rx_stat_bmac_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;
}
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;
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;
}
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);
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_start = ++pstats->host_port_stats_end;
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 eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
struct tstorm_per_port_stats *tport =
&stats->tstorm_common.port_statistics;
struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
struct bnx2x_eth_stats *estats = &bp->eth_stats;
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);
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;
for_each_eth_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
int cl_id = fp->cl_id;
struct tstorm_per_client_stats *tclient =
&stats->tstorm_common.client_statistics[cl_id];
struct tstorm_per_client_stats *old_tclient = &fp->old_tclient;
struct ustorm_per_client_stats *uclient =
&stats->ustorm_common.client_statistics[cl_id];
struct ustorm_per_client_stats *old_uclient = &fp->old_uclient;
struct xstorm_per_client_stats *xclient =
&stats->xstorm_common.client_statistics[cl_id];
struct xstorm_per_client_stats *old_xclient = &fp->old_xclient;
struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
u32 diff;
/* are storm stats valid? */
if (le16_to_cpu(xclient->stats_counter) != cur_stats_counter) {
DP(BNX2X_MSG_STATS, "[%d] stats not updated by xstorm"
" xstorm counter (0x%x) != stats_counter (0x%x)\n",
i, xclient->stats_counter, cur_stats_counter + 1);
return -1;
}
if (le16_to_cpu(tclient->stats_counter) != cur_stats_counter) {
DP(BNX2X_MSG_STATS, "[%d] stats not updated by tstorm"
" tstorm counter (0x%x) != stats_counter (0x%x)\n",
i, tclient->stats_counter, cur_stats_counter + 1);
return -2;
}
if (le16_to_cpu(uclient->stats_counter) != cur_stats_counter) {
DP(BNX2X_MSG_STATS, "[%d] stats not updated by ustorm"
" ustorm counter (0x%x) != stats_counter (0x%x)\n",
i, uclient->stats_counter, cur_stats_counter + 1);
return -4;
}
qstats->total_bytes_received_hi =
le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
qstats->total_bytes_received_lo =
le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
ADD_64(qstats->total_bytes_received_hi,
le32_to_cpu(tclient->rcv_multicast_bytes.hi),
qstats->total_bytes_received_lo,
le32_to_cpu(tclient->rcv_multicast_bytes.lo));
ADD_64(qstats->total_bytes_received_hi,
le32_to_cpu(tclient->rcv_unicast_bytes.hi),
qstats->total_bytes_received_lo,
le32_to_cpu(tclient->rcv_unicast_bytes.lo));
SUB_64(qstats->total_bytes_received_hi,
le32_to_cpu(uclient->bcast_no_buff_bytes.hi),
qstats->total_bytes_received_lo,
le32_to_cpu(uclient->bcast_no_buff_bytes.lo));
SUB_64(qstats->total_bytes_received_hi,
le32_to_cpu(uclient->mcast_no_buff_bytes.hi),
qstats->total_bytes_received_lo,
le32_to_cpu(uclient->mcast_no_buff_bytes.lo));
SUB_64(qstats->total_bytes_received_hi,
le32_to_cpu(uclient->ucast_no_buff_bytes.hi),
qstats->total_bytes_received_lo,
le32_to_cpu(uclient->ucast_no_buff_bytes.lo));
qstats->valid_bytes_received_hi =
qstats->total_bytes_received_hi;
qstats->valid_bytes_received_lo =
qstats->total_bytes_received_lo;
qstats->error_bytes_received_hi =
le32_to_cpu(tclient->rcv_error_bytes.hi);
qstats->error_bytes_received_lo =
le32_to_cpu(tclient->rcv_error_bytes.lo);
ADD_64(qstats->total_bytes_received_hi,
qstats->error_bytes_received_hi,
qstats->total_bytes_received_lo,
qstats->error_bytes_received_lo);
UPDATE_EXTEND_TSTAT(rcv_unicast_pkts,
total_unicast_packets_received);
UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
total_multicast_packets_received);
UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
total_broadcast_packets_received);
UPDATE_EXTEND_TSTAT(packets_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_bytes_transmitted_hi =
le32_to_cpu(xclient->unicast_bytes_sent.hi);
qstats->total_bytes_transmitted_lo =
le32_to_cpu(xclient->unicast_bytes_sent.lo);
ADD_64(qstats->total_bytes_transmitted_hi,
le32_to_cpu(xclient->multicast_bytes_sent.hi),
qstats->total_bytes_transmitted_lo,
le32_to_cpu(xclient->multicast_bytes_sent.lo));
ADD_64(qstats->total_bytes_transmitted_hi,
le32_to_cpu(xclient->broadcast_bytes_sent.hi),
qstats->total_bytes_transmitted_lo,
le32_to_cpu(xclient->broadcast_bytes_sent.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);
old_tclient->checksum_discard = tclient->checksum_discard;
old_tclient->ttl0_discard = tclient->ttl0_discard;
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->error_bytes_received_hi,
qstats->error_bytes_received_hi,
estats->error_bytes_received_lo,
qstats->error_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);
memcpy(estats, &(fstats->total_bytes_received_hi),
sizeof(struct host_func_stats) - 2*sizeof(u32));
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->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);
}
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 = estats->xxoverflow_discard;
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 void bnx2x_stats_update(struct bnx2x *bp)
{
u32 *stats_comp = bnx2x_sp(bp, stats_comp);
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;
printk(KERN_DEBUG "%s: brb drops %u brb truncate %u\n",
bp->dev->name,
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;
printk(KERN_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_eth_q_stats *qstats = &fp->eth_q_stats;
struct netdev_queue *txq =
netdev_get_tx_queue(bp->dev, i);
printk(KERN_DEBUG "%s: tx avail(%4u) *tx_cons_sb(%u)"
" tx pkt(%lu) tx calls (%lu)"
" %s (Xoff events %u)\n",
fp->name, bnx2x_tx_avail(fp),
le16_to_cpu(*fp->tx_cons_sb),
bnx2x_hilo(&qstats->
total_unicast_packets_transmitted_hi),
fp->tx_pkt,
(netif_tx_queue_stopped(txq) ? "Xoff" : "Xon"),
qstats->driver_xoff);
}
}
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 = 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;
*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;
/* Protect a state change flow */
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 = sizeof(struct host_port_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);
}
static void bnx2x_func_stats_base_init(struct bnx2x *bp)
{
int vn, vn_max = IS_MF(bp) ? E1HVN_MAX : 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 = !CHIP_IS_E2(bp) ? 2*vn + BP_PORT(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);
}
void bnx2x_stats_init(struct bnx2x *bp)
{
int port = BP_PORT(bp);
int mb_idx = BP_FW_MB_IDX(bp);
int i;
struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
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 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);
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(struct tstorm_per_client_stats));
memset(&fp->old_uclient, 0,
sizeof(struct ustorm_per_client_stats));
memset(&fp->old_xclient, 0,
sizeof(struct xstorm_per_client_stats));
memset(&fp->eth_q_stats, 0, sizeof(struct bnx2x_eth_q_stats));
}
/* FW stats are currently collected for ETH clients only */
for_each_eth_queue(bp, i) {
/* Set initial stats counter in the stats ramrod data to -1 */
int cl_id = bp->fp[i].cl_id;
stats->xstorm_common.client_statistics[cl_id].
stats_counter = 0xffff;
stats->ustorm_common.client_statistics[cl_id].
stats_counter = 0xffff;
stats->tstorm_common.client_statistics[cl_id].
stats_counter = 0xffff;
}
memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
memset(&bp->eth_stats, 0, sizeof(struct bnx2x_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);
}
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