From 6fe49bb978de3de0ba7ff9d6b2d55a15518db2a3 Mon Sep 17 00:00:00 2001 From: Eilon Greenstein Date: Wed, 12 Aug 2009 08:23:17 +0000 Subject: [PATCH] bnx2x: Reporting host statistics to management FW This is required for NCSI statistics Signed-off-by: Eilon Greenstein Signed-off-by: David S. Miller --- drivers/net/bnx2x.h | 1 + drivers/net/bnx2x_main.c | 228 ++++++++++++++++++++++++++++++++++++----------- 2 files changed, 176 insertions(+), 53 deletions(-) diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index 903c89d..1d0b727 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -777,6 +777,7 @@ struct bnx2x_slowpath { struct nig_stats nig_stats; struct host_port_stats port_stats; struct host_func_stats func_stats; + struct host_func_stats func_stats_base; u32 wb_comp; u32 wb_data[4]; diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index 7853977..88f30d2 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -3365,53 +3365,6 @@ static void bnx2x_storm_stats_post(struct bnx2x *bp) } } -static void bnx2x_stats_init(struct bnx2x *bp) -{ - int port = BP_PORT(bp); - int i; - - bp->stats_pending = 0; - bp->executer_idx = 0; - bp->stats_counter = 0; - - /* port stats */ - if (!BP_NOMCP(bp)) - bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx); - else - bp->port.port_stx = 0; - DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx); - - memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats)); - bp->port.old_nig_stats.brb_discard = - REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38); - 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 (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx) - bnx2x_stats_handle(bp, STATS_EVENT_PMF); -} - static void bnx2x_hw_stats_post(struct bnx2x *bp) { struct dmae_command *dmae = &bp->stats_dmae; @@ -3972,7 +3925,8 @@ static int bnx2x_storm_stats_update(struct bnx2x *bp) struct bnx2x_eth_stats *estats = &bp->eth_stats; int i; - memset(&(fstats->total_bytes_received_hi), 0, + 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; @@ -4451,6 +4405,173 @@ static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event) 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); +} + +static 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); +} + static void bnx2x_timer(unsigned long data) { struct bnx2x *bp = (struct bnx2x *) data; @@ -4933,6 +5054,10 @@ static void bnx2x_init_tx_ring(struct bnx2x *bp) fp->tx_cons_sb = BNX2X_TX_SB_INDEX; fp->tx_pkt = 0; } + + /* clean tx statistics */ + for_each_rx_queue(bp, i) + bnx2x_fp(bp, i, tx_pkt) = 0; } static void bnx2x_init_sp_ring(struct bnx2x *bp) @@ -6412,11 +6537,8 @@ static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code) bp->fw_drv_pulse_wr_seq = (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) & DRV_PULSE_SEQ_MASK); - bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param); - DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n", - bp->fw_drv_pulse_wr_seq, bp->func_stx); - } else - bp->func_stx = 0; + DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq); + } /* this needs to be done before gunzip end */ bnx2x_zero_def_sb(bp); -- 2.7.4