/* 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 * 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); ramrod_data.drv_counter = bp->stats_counter++; ramrod_data.collect_port = bp->port.pmf ? 1 : 0; for_each_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) { /* stats ramrod has it's own slot on the spq */ bp->spq_left++; 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); memset(dmae, 0, sizeof(struct dmae_command)); dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | DMAE_CMD_DST_RESET | #ifdef __BIG_ENDIAN DMAE_CMD_ENDIANITY_B_DW_SWAP | #else DMAE_CMD_ENDIANITY_DW_SWAP | #endif (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0])); dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0])); dmae->dst_addr_lo = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * (loader_idx + 1)) >> 2; dmae->dst_addr_hi = 0; dmae->len = sizeof(struct dmae_command) >> 2; if (CHIP_IS_E1(bp)) dmae->len--; dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2; dmae->comp_addr_hi = 0; dmae->comp_val = 1; *stats_comp = 0; bnx2x_post_dmae(bp, dmae, loader_idx); } else if (bp->func_stx) { *stats_comp = 0; bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp)); } } static int bnx2x_stats_comp(struct bnx2x *bp) { u32 *stats_comp = bnx2x_sp(bp, stats_comp); int cnt = 10; might_sleep(); while (*stats_comp != DMAE_COMP_VAL) { if (!cnt) { BNX2X_ERR("timeout waiting for stats finished\n"); break; } cnt--; 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_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) { BNX2X_ERR("BUG!\n"); return; } bp->executer_idx = 0; opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | DMAE_CMD_C_ENABLE | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | #ifdef __BIG_ENDIAN DMAE_CMD_ENDIANITY_B_DW_SWAP | #else DMAE_CMD_ENDIANITY_DW_SWAP | #endif (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC); dmae->src_addr_lo = bp->port.port_stx >> 2; dmae->src_addr_hi = 0; dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); dmae->len = DMAE_LEN32_RD_MAX; dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; dmae->comp_addr_hi = 0; dmae->comp_val = 1; dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX; dmae->src_addr_hi = 0; 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); int vn = BP_E1HVN(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 = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | #ifdef __BIG_ENDIAN DMAE_CMD_ENDIANITY_B_DW_SWAP | #else DMAE_CMD_ENDIANITY_DW_SWAP | #endif (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | (vn << DMAE_CMD_E1HVN_SHIFT)); 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 = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | #ifdef __BIG_ENDIAN DMAE_CMD_ENDIANITY_B_DW_SWAP | #else DMAE_CMD_ENDIANITY_DW_SWAP | #endif (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | (vn << DMAE_CMD_E1HVN_SHIFT)); 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; dmae->src_addr_lo = (mac_addr + BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; dmae->src_addr_hi = 0; dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT - BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; dmae->comp_addr_hi = 0; dmae->comp_val = 1; /* BIGMAC_REGISTER_RX_STAT_GR64 .. BIGMAC_REGISTER_RX_STAT_GRIPJ */ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); dmae->opcode = opcode; dmae->src_addr_lo = (mac_addr + BIGMAC_REGISTER_RX_STAT_GR64) >> 2; dmae->src_addr_hi = 0; dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + 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; 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 = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | #ifdef __BIG_ENDIAN DMAE_CMD_ENDIANITY_B_DW_SWAP | #else DMAE_CMD_ENDIANITY_DW_SWAP | #endif (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | (vn << DMAE_CMD_E1HVN_SHIFT)); dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 : NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2; 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 = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | #ifdef __BIG_ENDIAN DMAE_CMD_ENDIANITY_B_DW_SWAP | #else DMAE_CMD_ENDIANITY_DW_SWAP | #endif (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); dmae->dst_addr_lo = bp->func_stx >> 2; dmae->dst_addr_hi = 0; dmae->len = sizeof(struct host_func_stats) >> 2; dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); dmae->comp_val = DMAE_COMP_VAL; *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 bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_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; 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_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_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_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_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 = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | DMAE_CMD_C_ENABLE | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | #ifdef __BIG_ENDIAN DMAE_CMD_ENDIANITY_B_DW_SWAP | #else DMAE_CMD_ENDIANITY_DW_SWAP | #endif (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); if (bp->port.port_stx) { dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); if (bp->func_stx) dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC); else dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); dmae->dst_addr_lo = bp->port.port_stx >> 2; 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 = (opcode | DMAE_CMD_C_DST_PCI); dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); dmae->dst_addr_lo = bp->func_stx >> 2; dmae->dst_addr_hi = 0; dmae->len = sizeof(struct host_func_stats) >> 2; dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); dmae->comp_val = DMAE_COMP_VAL; *stats_comp = 0; } } 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 = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | #ifdef __BIG_ENDIAN DMAE_CMD_ENDIANITY_B_DW_SWAP | #else DMAE_CMD_ENDIANITY_DW_SWAP | #endif (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, 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_E1HMF(bp) ? E1HVN_MAX : E1VN_MAX; int port = BP_PORT(bp); int func; 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++) { func = 2*vn + port; bp->func_stx = SHMEM_RD(bp, func_mb[func].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 = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | #ifdef __BIG_ENDIAN DMAE_CMD_ENDIANITY_B_DW_SWAP | #else DMAE_CMD_ENDIANITY_DW_SWAP | #endif (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); 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 func = BP_FUNC(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[func].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)); } 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); }