From 1f164717cb1ee722dc58dc32bbcb01ac506d254f Mon Sep 17 00:00:00 2001 From: Raghu Vatsavayi Date: Tue, 21 Jun 2016 22:53:11 -0700 Subject: [PATCH] liquidio: New statistics support This patch adds extensive support of statistics for data path, control path and firmware. Signed-off-by: Derek Chickles Signed-off-by: Satanand Burla Signed-off-by: Felix Manlunas Signed-off-by: Raghu Vatsavayi Signed-off-by: Raghu Vatsavayi Signed-off-by: David S. Miller --- .../ethernet/cavium/liquidio/lio_ethtool.c | 574 ++++++++++++++++-- .../net/ethernet/cavium/liquidio/lio_main.c | 48 +- .../cavium/liquidio/liquidio_common.h | 10 + .../ethernet/cavium/liquidio/octeon_device.h | 6 + .../net/ethernet/cavium/liquidio/octeon_iq.h | 4 + .../ethernet/cavium/liquidio/octeon_network.h | 11 + 6 files changed, 588 insertions(+), 65 deletions(-) diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c index 9c6b58adf532..2b030957f492 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c @@ -40,6 +40,8 @@ #include "cn68xx_device.h" #include "liquidio_image.h" +static int octnet_get_link_stats(struct net_device *netdev); + struct oct_mdio_cmd_context { int octeon_id; wait_queue_head_t wc; @@ -77,28 +79,109 @@ enum { #define OCT_ETHTOOL_REGDUMP_LEN 4096 #define OCT_ETHTOOL_REGSVER 1 +/* statistics of PF */ +static const char oct_stats_strings[][ETH_GSTRING_LEN] = { + "rx_packets", + "tx_packets", + "rx_bytes", + "tx_bytes", + "rx_errors", /*jabber_err+l2_err+frame_err */ + "tx_errors", /*fw_err_pko+fw_err_link+fw_err_drop */ + "rx_dropped", /*st->fromwire.total_rcvd - st->fromwire.fw_total_rcvd + *+st->fromwire.dmac_drop + st->fromwire.fw_err_drop + */ + "tx_dropped", + + "tx_total_sent", + "tx_total_fwd", + "tx_err_pko", + "tx_err_link", + "tx_err_drop", + + "tx_tso", + "tx_tso_packets", + "tx_tso_err", + + "mac_tx_total_pkts", + "mac_tx_total_bytes", + "mac_tx_mcast_pkts", + "mac_tx_bcast_pkts", + "mac_tx_ctl_packets", /*oct->link_stats.fromhost.ctl_sent */ + "mac_tx_total_collisions", + "mac_tx_one_collision", + "mac_tx_multi_collison", + "mac_tx_max_collision_fail", + "mac_tx_max_deferal_fail", + "mac_tx_fifo_err", + "mac_tx_runts", + + "rx_total_rcvd", + "rx_total_fwd", + "rx_jabber_err", + "rx_l2_err", + "rx_frame_err", + "rx_err_pko", + "rx_err_link", + "rx_err_drop", + + "rx_lro_pkts", + "rx_lro_bytes", + "rx_total_lro", + + "rx_lro_aborts", + "rx_lro_aborts_port", + "rx_lro_aborts_seq", + "rx_lro_aborts_tsval", + "rx_lro_aborts_timer", + "rx_fwd_rate", + + "mac_rx_total_rcvd", + "mac_rx_bytes", + "mac_rx_total_bcst", + "mac_rx_total_mcst", + "mac_rx_runts", + "mac_rx_ctl_packets", + "mac_rx_fifo_err", + "mac_rx_dma_drop", + "mac_rx_fcs_err", + + "link_state_changes", +}; + +/* statistics of host tx queue */ static const char oct_iq_stats_strings[][ETH_GSTRING_LEN] = { - "Instr posted", - "Instr processed", - "Instr dropped", - "Bytes Sent", - "Sgentry_sent", - "Inst cntreg", - "Tx done", - "Tx Iq busy", - "Tx dropped", - "Tx bytes", + "packets", /*oct->instr_queue[iq_no]->stats.tx_done*/ + "bytes", /*oct->instr_queue[iq_no]->stats.tx_tot_bytes*/ + "dropped", + "iq_busy", + "sgentry_sent", + + "fw_instr_posted", + "fw_instr_processed", + "fw_instr_dropped", + "fw_bytes_sent", + + "tso", + "txq_restart", }; +/* statistics of host rx queue */ static const char oct_droq_stats_strings[][ETH_GSTRING_LEN] = { - "OQ Pkts Received", - "OQ Bytes Received", - "Dropped no dispatch", - "Dropped nomem", - "Dropped toomany", - "Stack RX cnt", - "Stack RX Bytes", - "RX dropped", + "packets", /*oct->droq[oq_no]->stats.rx_pkts_received */ + "bytes", /*oct->droq[oq_no]->stats.rx_bytes_received */ + "dropped", /*oct->droq[oq_no]->stats.rx_dropped+ + *oct->droq[oq_no]->stats.dropped_nodispatch+ + *oct->droq[oq_no]->stats.dropped_toomany+ + *oct->droq[oq_no]->stats.dropped_nomem + */ + "dropped_nomem", + "dropped_toomany", + "fw_dropped", + "fw_pkts_received", + "fw_bytes_received", + "fw_dropped_nodispatch", + + "buffer_alloc_failure", }; #define OCTNIC_NCMD_AUTONEG_ON 0x1 @@ -516,8 +599,13 @@ lio_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) /* Notes: Not supporting any auto negotiation in these * drivers. Just report pause frame support. */ - pause->tx_pause = 1; - pause->rx_pause = 1; /* TODO: Need to support RX pause frame!!. */ + struct lio *lio = GET_LIO(netdev); + struct octeon_device *oct = lio->oct_dev; + + pause->autoneg = 0; + + pause->tx_pause = oct->tx_pause; + pause->rx_pause = oct->rx_pause; } static void @@ -526,51 +614,245 @@ lio_get_ethtool_stats(struct net_device *netdev, { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; + struct net_device_stats *netstats = &netdev->stats; int i = 0, j; - for (j = 0; j < MAX_OCTEON_INSTR_QUEUES(oct); j++) { + netdev->netdev_ops->ndo_get_stats(netdev); + octnet_get_link_stats(netdev); + + /*sum of oct->droq[oq_no]->stats->rx_pkts_received */ + data[i++] = CVM_CAST64(netstats->rx_packets); + /*sum of oct->instr_queue[iq_no]->stats.tx_done */ + data[i++] = CVM_CAST64(netstats->tx_packets); + /*sum of oct->droq[oq_no]->stats->rx_bytes_received */ + data[i++] = CVM_CAST64(netstats->rx_bytes); + /*sum of oct->instr_queue[iq_no]->stats.tx_tot_bytes */ + data[i++] = CVM_CAST64(netstats->tx_bytes); + data[i++] = CVM_CAST64(netstats->rx_errors); + data[i++] = CVM_CAST64(netstats->tx_errors); + /*sum of oct->droq[oq_no]->stats->rx_dropped + + *oct->droq[oq_no]->stats->dropped_nodispatch + + *oct->droq[oq_no]->stats->dropped_toomany + + *oct->droq[oq_no]->stats->dropped_nomem + */ + data[i++] = CVM_CAST64(netstats->rx_dropped); + /*sum of oct->instr_queue[iq_no]->stats.tx_dropped */ + data[i++] = CVM_CAST64(netstats->tx_dropped); + + /*data[i++] = CVM_CAST64(stats->multicast); */ + /*data[i++] = CVM_CAST64(stats->collisions); */ + + /* firmware tx stats */ + /*per_core_stats[cvmx_get_core_num()].link_stats[mdata->from_ifidx]. + *fromhost.fw_total_sent + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_total_sent); + /*per_core_stats[i].link_stats[port].fromwire.fw_total_fwd */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_total_fwd); + /*per_core_stats[j].link_stats[i].fromhost.fw_err_pko */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_pko); + /*per_core_stats[j].link_stats[i].fromhost.fw_err_link */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_link); + /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost. + *fw_err_drop + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_drop); + + /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.fw_tso */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tso); + /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost. + *fw_tso_fwd + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tso_fwd); + /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost. + *fw_err_tso + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_tso); + + /* mac tx statistics */ + /*CVMX_BGXX_CMRX_TX_STAT5 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_pkts_sent); + /*CVMX_BGXX_CMRX_TX_STAT4 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_bytes_sent); + /*CVMX_BGXX_CMRX_TX_STAT15 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.mcast_pkts_sent); + /*CVMX_BGXX_CMRX_TX_STAT14 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.bcast_pkts_sent); + /*CVMX_BGXX_CMRX_TX_STAT17 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.ctl_sent); + /*CVMX_BGXX_CMRX_TX_STAT0 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_collisions); + /*CVMX_BGXX_CMRX_TX_STAT3 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.one_collision_sent); + /*CVMX_BGXX_CMRX_TX_STAT2 */ + data[i++] = + CVM_CAST64(oct_dev->link_stats.fromhost.multi_collision_sent); + /*CVMX_BGXX_CMRX_TX_STAT0 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.max_collision_fail); + /*CVMX_BGXX_CMRX_TX_STAT1 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.max_deferral_fail); + /*CVMX_BGXX_CMRX_TX_STAT16 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fifo_err); + /*CVMX_BGXX_CMRX_TX_STAT6 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.runts); + + /* RX firmware stats */ + /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. + *fw_total_rcvd + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_rcvd); + /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. + *fw_total_fwd + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_fwd); + /*per_core_stats[core_id].link_stats[ifidx].fromwire.jabber_err */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.jabber_err); + /*per_core_stats[core_id].link_stats[ifidx].fromwire.l2_err */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.l2_err); + /*per_core_stats[core_id].link_stats[ifidx].fromwire.frame_err */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.frame_err); + /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. + *fw_err_pko + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_pko); + /*per_core_stats[j].link_stats[i].fromwire.fw_err_link */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_link); + /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx]. + *fromwire.fw_err_drop + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_drop); + + /* LRO */ + /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. + *fw_lro_pkts + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_pkts); + /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. + *fw_lro_octs + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_octs); + /*per_core_stats[j].link_stats[i].fromwire.fw_total_lro */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_lro); + /*per_core_stats[j].link_stats[i].fromwire.fw_lro_aborts */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts); + /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. + *fw_lro_aborts_port + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_port); + /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. + *fw_lro_aborts_seq + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_seq); + /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. + *fw_lro_aborts_tsval + */ + data[i++] = + CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_tsval); + /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. + *fw_lro_aborts_timer + */ + /* intrmod: packet forward rate */ + data[i++] = + CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_timer); + /*per_core_stats[j].link_stats[i].fromwire.fw_lro_aborts */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fwd_rate); + + /* mac: link-level stats */ + /*CVMX_BGXX_CMRX_RX_STAT0 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_rcvd); + /*CVMX_BGXX_CMRX_RX_STAT1 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.bytes_rcvd); + /*CVMX_PKI_STATX_STAT5 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_bcst); + /*CVMX_PKI_STATX_STAT5 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_mcst); + /*wqe->word2.err_code or wqe->word2.err_level */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.runts); + /*CVMX_BGXX_CMRX_RX_STAT2 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.ctl_rcvd); + /*CVMX_BGXX_CMRX_RX_STAT6 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fifo_err); + /*CVMX_BGXX_CMRX_RX_STAT4 */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.dmac_drop); + /*wqe->word2.err_code or wqe->word2.err_level */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fcs_err); + /*lio->link_changes*/ + data[i++] = CVM_CAST64(lio->link_changes); + + /* TX -- lio_update_stats(lio); */ + for (j = 0; j < MAX_OCTEON_INSTR_QUEUES(oct_dev); j++) { if (!(oct_dev->io_qmask.iq & (1ULL << j))) continue; + /*packets to network port*/ + /*# of packets tx to network */ + data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done); + /*# of bytes tx to network */ data[i++] = - CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_posted); - data[i++] = - CVM_CAST64( - oct_dev->instr_queue[j]->stats.instr_processed); + CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_tot_bytes); + /*# of packets dropped */ data[i++] = - CVM_CAST64( - oct_dev->instr_queue[j]->stats.instr_dropped); + CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_dropped); + /*# of tx fails due to queue full */ data[i++] = - CVM_CAST64(oct_dev->instr_queue[j]->stats.bytes_sent); + CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_iq_busy); + /*XXX gather entries sent */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.sgentry_sent); + + /*instruction to firmware: data and control */ + /*# of instructions to the queue */ data[i++] = - readl(oct_dev->instr_queue[j]->inst_cnt_reg); - data[i++] = - CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done); - data[i++] = - CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_iq_busy); + CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_posted); + /*# of instructions processed */ + data[i++] = CVM_CAST64(oct_dev->instr_queue[j]-> + stats.instr_processed); + /*# of instructions could not be processed */ + data[i++] = CVM_CAST64(oct_dev->instr_queue[j]-> + stats.instr_dropped); + /*bytes sent through the queue */ data[i++] = - CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_dropped); + CVM_CAST64(oct_dev->instr_queue[j]->stats.bytes_sent); + + /*tso request*/ + data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_gso); + /*txq restart*/ data[i++] = - CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_tot_bytes); + CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_restart); } - /* for (j = 0; j < oct_dev->num_oqs; j++){ */ - for (j = 0; j < MAX_OCTEON_OUTPUT_QUEUES(oct); j++) { + /* RX */ + /* for (j = 0; j < oct_dev->num_oqs; j++) { */ + for (j = 0; j < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); j++) { if (!(oct_dev->io_qmask.oq & (1ULL << j))) continue; - data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.pkts_received); - data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.bytes_received); - data[i++] = - CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch); - data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem); - data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany); + + /*packets send to TCP/IP network stack */ + /*# of packets to network stack */ data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_pkts_received); + /*# of bytes to network stack */ data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_bytes_received); + /*# of packets dropped */ + data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem + + oct_dev->droq[j]->stats.dropped_toomany + + oct_dev->droq[j]->stats.rx_dropped); + data[i++] = + CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem); + data[i++] = + CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_dropped); + + /*control and data path*/ + data[i++] = + CVM_CAST64(oct_dev->droq[j]->stats.pkts_received); + data[i++] = + CVM_CAST64(oct_dev->droq[j]->stats.bytes_received); + data[i++] = + CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch); + data[i++] = + CVM_CAST64(oct_dev->droq[j]->stats.rx_alloc_failure); } } @@ -579,26 +861,43 @@ static void lio_get_strings(struct net_device *netdev, u32 stringset, u8 *data) struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; int num_iq_stats, num_oq_stats, i, j; + int num_stats; - num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings); - for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) { - if (!(oct_dev->io_qmask.iq & (1ULL << i))) - continue; - for (j = 0; j < num_iq_stats; j++) { - sprintf(data, "IQ%d %s", i, oct_iq_stats_strings[j]); + switch (stringset) { + case ETH_SS_STATS: + num_stats = ARRAY_SIZE(oct_stats_strings); + for (j = 0; j < num_stats; j++) { + sprintf(data, "%s", oct_stats_strings[j]); data += ETH_GSTRING_LEN; } - } - num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings); - /* for (i = 0; i < oct_dev->num_oqs; i++) { */ - for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct); i++) { - if (!(oct_dev->io_qmask.oq & (1ULL << i))) - continue; - for (j = 0; j < num_oq_stats; j++) { - sprintf(data, "OQ%d %s", i, oct_droq_stats_strings[j]); - data += ETH_GSTRING_LEN; + num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings); + for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct_dev); i++) { + if (!(oct_dev->io_qmask.iq & (1ULL << i))) + continue; + for (j = 0; j < num_iq_stats; j++) { + sprintf(data, "tx-%d-%s", i, + oct_iq_stats_strings[j]); + data += ETH_GSTRING_LEN; + } } + + num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings); + /* for (i = 0; i < oct_dev->num_oqs; i++) { */ + for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); i++) { + if (!(oct_dev->io_qmask.oq & (1ULL << i))) + continue; + for (j = 0; j < num_oq_stats; j++) { + sprintf(data, "rx-%d-%s", i, + oct_droq_stats_strings[j]); + data += ETH_GSTRING_LEN; + } + } + break; + + default: + netif_info(lio, drv, lio->netdev, "Unknown Stringset !!\n"); + break; } } @@ -607,8 +906,14 @@ static int lio_get_sset_count(struct net_device *netdev, int sset) struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; - return (ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs) + - (ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs); + switch (sset) { + case ETH_SS_STATS: + return (ARRAY_SIZE(oct_stats_strings) + + ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs + + ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs); + default: + return -EOPNOTSUPP; + } } static int lio_get_intr_coalesce(struct net_device *netdev, @@ -731,6 +1036,155 @@ static int octnet_set_intrmod_cfg(struct lio *lio, return 0; } +void +octnet_nic_stats_callback(struct octeon_device *oct_dev, + u32 status, void *ptr) +{ + struct octeon_soft_command *sc = (struct octeon_soft_command *)ptr; + struct oct_nic_stats_resp *resp = (struct oct_nic_stats_resp *) + sc->virtrptr; + struct oct_nic_stats_ctrl *ctrl = (struct oct_nic_stats_ctrl *) + sc->ctxptr; + struct nic_rx_stats *rsp_rstats = &resp->stats.fromwire; + struct nic_tx_stats *rsp_tstats = &resp->stats.fromhost; + + struct nic_rx_stats *rstats = &oct_dev->link_stats.fromwire; + struct nic_tx_stats *tstats = &oct_dev->link_stats.fromhost; + + if ((status != OCTEON_REQUEST_TIMEOUT) && !resp->status) { + octeon_swap_8B_data((u64 *)&resp->stats, + (sizeof(struct oct_link_stats)) >> 3); + + /* RX link-level stats */ + rstats->total_rcvd = rsp_rstats->total_rcvd; + rstats->bytes_rcvd = rsp_rstats->bytes_rcvd; + rstats->total_bcst = rsp_rstats->total_bcst; + rstats->total_mcst = rsp_rstats->total_mcst; + rstats->runts = rsp_rstats->runts; + rstats->ctl_rcvd = rsp_rstats->ctl_rcvd; + /* Accounts for over/under-run of buffers */ + rstats->fifo_err = rsp_rstats->fifo_err; + rstats->dmac_drop = rsp_rstats->dmac_drop; + rstats->fcs_err = rsp_rstats->fcs_err; + rstats->jabber_err = rsp_rstats->jabber_err; + rstats->l2_err = rsp_rstats->l2_err; + rstats->frame_err = rsp_rstats->frame_err; + + /* RX firmware stats */ + rstats->fw_total_rcvd = rsp_rstats->fw_total_rcvd; + rstats->fw_total_fwd = rsp_rstats->fw_total_fwd; + rstats->fw_err_pko = rsp_rstats->fw_err_pko; + rstats->fw_err_link = rsp_rstats->fw_err_link; + rstats->fw_err_drop = rsp_rstats->fw_err_drop; + /* Number of packets that are LROed */ + rstats->fw_lro_pkts = rsp_rstats->fw_lro_pkts; + /* Number of octets that are LROed */ + rstats->fw_lro_octs = rsp_rstats->fw_lro_octs; + /* Number of LRO packets formed */ + rstats->fw_total_lro = rsp_rstats->fw_total_lro; + /* Number of times lRO of packet aborted */ + rstats->fw_lro_aborts = rsp_rstats->fw_lro_aborts; + rstats->fw_lro_aborts_port = rsp_rstats->fw_lro_aborts_port; + rstats->fw_lro_aborts_seq = rsp_rstats->fw_lro_aborts_seq; + rstats->fw_lro_aborts_tsval = rsp_rstats->fw_lro_aborts_tsval; + rstats->fw_lro_aborts_timer = rsp_rstats->fw_lro_aborts_timer; + /* intrmod: packet forward rate */ + rstats->fwd_rate = rsp_rstats->fwd_rate; + + /* TX link-level stats */ + tstats->total_pkts_sent = rsp_tstats->total_pkts_sent; + tstats->total_bytes_sent = rsp_tstats->total_bytes_sent; + tstats->mcast_pkts_sent = rsp_tstats->mcast_pkts_sent; + tstats->bcast_pkts_sent = rsp_tstats->bcast_pkts_sent; + tstats->ctl_sent = rsp_tstats->ctl_sent; + /* Packets sent after one collision*/ + tstats->one_collision_sent = rsp_tstats->one_collision_sent; + /* Packets sent after multiple collision*/ + tstats->multi_collision_sent = rsp_tstats->multi_collision_sent; + /* Packets not sent due to max collisions */ + tstats->max_collision_fail = rsp_tstats->max_collision_fail; + /* Packets not sent due to max deferrals */ + tstats->max_deferral_fail = rsp_tstats->max_deferral_fail; + /* Accounts for over/under-run of buffers */ + tstats->fifo_err = rsp_tstats->fifo_err; + tstats->runts = rsp_tstats->runts; + /* Total number of collisions detected */ + tstats->total_collisions = rsp_tstats->total_collisions; + + /* firmware stats */ + tstats->fw_total_sent = rsp_tstats->fw_total_sent; + tstats->fw_total_fwd = rsp_tstats->fw_total_fwd; + tstats->fw_err_pko = rsp_tstats->fw_err_pko; + tstats->fw_err_link = rsp_tstats->fw_err_link; + tstats->fw_err_drop = rsp_tstats->fw_err_drop; + tstats->fw_tso = rsp_tstats->fw_tso; + tstats->fw_tso_fwd = rsp_tstats->fw_tso_fwd; + tstats->fw_err_tso = rsp_tstats->fw_err_tso; + resp->status = 1; + } else { + resp->status = -1; + } + complete(&ctrl->complete); +} + +/* Configure interrupt moderation parameters */ +static int octnet_get_link_stats(struct net_device *netdev) +{ + struct lio *lio = GET_LIO(netdev); + struct octeon_device *oct_dev = lio->oct_dev; + + struct octeon_soft_command *sc; + struct oct_nic_stats_ctrl *ctrl; + struct oct_nic_stats_resp *resp; + + int retval; + + /* Alloc soft command */ + sc = (struct octeon_soft_command *) + octeon_alloc_soft_command(oct_dev, + 0, + sizeof(struct oct_nic_stats_resp), + sizeof(struct octnic_ctrl_pkt)); + + if (!sc) + return -ENOMEM; + + resp = (struct oct_nic_stats_resp *)sc->virtrptr; + memset(resp, 0, sizeof(struct oct_nic_stats_resp)); + + ctrl = (struct oct_nic_stats_ctrl *)sc->ctxptr; + memset(ctrl, 0, sizeof(struct oct_nic_stats_ctrl)); + ctrl->netdev = netdev; + init_completion(&ctrl->complete); + + sc->iq_no = lio->linfo.txpciq[0].s.q_no; + + octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC, + OPCODE_NIC_PORT_STATS, 0, 0, 0); + + sc->callback = octnet_nic_stats_callback; + sc->callback_arg = sc; + sc->wait_time = 500; /*in milli seconds*/ + + retval = octeon_send_soft_command(oct_dev, sc); + if (retval == IQ_SEND_FAILED) { + octeon_free_soft_command(oct_dev, sc); + return -EINVAL; + } + + wait_for_completion_timeout(&ctrl->complete, msecs_to_jiffies(1000)); + + if (resp->status != 1) { + octeon_free_soft_command(oct_dev, sc); + + return -EINVAL; + } + + octeon_free_soft_command(oct_dev, sc); + + return 0; +} + /* Enable/Disable auto interrupt Moderation */ static int oct_cfg_adaptive_intr(struct lio *lio, struct ethtool_coalesce *intr_coal) diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index a1e31acb6153..9f97d11bc09c 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -72,6 +72,9 @@ MODULE_PARM_DESC(console_bitmask, #define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) +#define INCR_INSTRQUEUE_PKT_COUNT(octeon_dev_ptr, iq_no, field, count) \ + (octeon_dev_ptr->instr_queue[iq_no]->stats.field += count) + static int debug = -1; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "NETIF_MSG debug bits"); @@ -682,13 +685,24 @@ static inline void txqs_start(struct net_device *netdev) */ static inline void txqs_wake(struct net_device *netdev) { + struct lio *lio = GET_LIO(netdev); + if (netif_is_multiqueue(netdev)) { int i; - for (i = 0; i < netdev->num_tx_queues; i++) - if (__netif_subqueue_stopped(netdev, i)) + for (i = 0; i < netdev->num_tx_queues; i++) { + int qno = lio->linfo.txpciq[i % + (lio->linfo.num_txpciq)].s.q_no; + + if (__netif_subqueue_stopped(netdev, i)) { + INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, qno, + tx_restart, 1); netif_wake_subqueue(netdev, i); + } + } } else { + INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, lio->txq, + tx_restart, 1); netif_wake_queue(netdev); } } @@ -763,6 +777,8 @@ static inline int check_txq_status(struct lio *lio) continue; if (__netif_subqueue_stopped(lio->netdev, q)) { wake_q(lio->netdev, q); + INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq, + tx_restart, 1); ret_val++; } } @@ -770,6 +786,8 @@ static inline int check_txq_status(struct lio *lio) if (octnet_iq_is_full(lio->oct_dev, lio->txq)) return 0; wake_q(lio->netdev, lio->txq); + INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, lio->txq, + tx_restart, 1); ret_val = 1; } return ret_val; @@ -981,10 +999,16 @@ static void update_txq_status(struct octeon_device *oct, int iq_num) if (__netif_subqueue_stopped(netdev, iq->q_index) && lio->linfo.link.s.link_up && (!octnet_iq_is_full(oct, iq_num))) { + INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq_num, + tx_restart, 1); netif_wake_subqueue(netdev, iq->q_index); } else { - if (!octnet_iq_is_full(oct, lio->txq)) + if (!octnet_iq_is_full(oct, lio->txq)) { + INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, + lio->txq, + tx_restart, 1); wake_q(netdev, lio->txq); + } } } } @@ -1115,6 +1139,9 @@ static int liquidio_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return -ENOMEM; } + oct_dev->rx_pause = 1; + oct_dev->tx_pause = 1; + dev_dbg(&oct_dev->pci_dev->dev, "Device is ready\n"); return 0; @@ -1468,8 +1495,10 @@ static inline int check_txq_state(struct lio *lio, struct sk_buff *skb) if (octnet_iq_is_full(lio->oct_dev, iq)) return 0; - if (__netif_subqueue_stopped(lio->netdev, q)) + if (__netif_subqueue_stopped(lio->netdev, q)) { + INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq, tx_restart, 1); wake_q(lio->netdev, q); + } return 1; } @@ -2382,6 +2411,10 @@ void liquidio_link_ctrl_cmd_completion(void *nctrl_ptr) break; + case OCTNET_CMD_SET_FLOW_CTL: + netif_info(lio, probe, lio->netdev, "Set RX/TX flow control parameters\n"); + break; + default: dev_err(&oct->pci_dev->dev, "%s Unknown cmd %d\n", __func__, nctrl->ncmd.s.cmd); @@ -2976,7 +3009,9 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) if (skb_shinfo(skb)->gso_size) { tx_info->s.gso_size = skb_shinfo(skb)->gso_size; tx_info->s.gso_segs = skb_shinfo(skb)->gso_segs; + stats->tx_gso++; } + /* HW insert VLAN tag */ if (skb_vlan_tag_present(skb)) { irh->priority = skb_vlan_tag_get(skb) >> 13; @@ -2999,7 +3034,10 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) netif_trans_update(netdev); - stats->tx_done++; + if (skb_shinfo(skb)->gso_size) + stats->tx_done += skb_shinfo(skb)->gso_segs; + else + stats->tx_done++; stats->tx_tot_bytes += skb->len; return NETDEV_TX_OK; diff --git a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h index b5ab70412eb7..4dc8e54278a4 100644 --- a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h +++ b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h @@ -736,10 +736,16 @@ struct nic_rx_stats { u64 fw_err_pko; u64 fw_err_link; u64 fw_err_drop; + + /* LRO */ u64 fw_lro_pkts; /* Number of packets that are LROed */ u64 fw_lro_octs; /* Number of octets that are LROed */ u64 fw_total_lro; /* Number of LRO packets formed */ u64 fw_lro_aborts; /* Number of times lRO of packet aborted */ + u64 fw_lro_aborts_port; + u64 fw_lro_aborts_seq; + u64 fw_lro_aborts_tsval; + u64 fw_lro_aborts_timer; /* intrmod: packet forward rate */ u64 fwd_rate; }; @@ -763,9 +769,13 @@ struct nic_tx_stats { /* firmware stats */ u64 fw_total_sent; u64 fw_total_fwd; + u64 fw_total_fwd_bytes; u64 fw_err_pko; u64 fw_err_link; u64 fw_err_drop; + u64 fw_err_tso; + u64 fw_tso; /* number of tso requests */ + u64 fw_tso_fwd; /* number of packets segmented in tso */ }; struct oct_link_stats { diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.h b/drivers/net/ethernet/cavium/liquidio/octeon_device.h index ceb905d9ef4c..95b4eb71c533 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_device.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.h @@ -394,6 +394,12 @@ struct octeon_device { struct cavium_wk console_poll_work[MAX_OCTEON_MAPS]; void *priv; + + int rx_pause; + int tx_pause; + + struct oct_link_stats link_stats; /*stastics from firmware*/ + }; #define OCT_DRV_ONLINE 1 diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_iq.h b/drivers/net/ethernet/cavium/liquidio/octeon_iq.h index 69d5b913d84c..caa2b4f30717 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_iq.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_iq.h @@ -65,6 +65,10 @@ struct oct_iq_stats { u64 tx_iq_busy;/**< Numof times this iq was found to be full. */ u64 tx_dropped;/**< Numof pkts dropped dueto xmitpath errors. */ u64 tx_tot_bytes;/**< Total count of bytes sento to network. */ + u64 tx_gso; /* count of tso */ + u64 tx_dmamap_fail; + u64 tx_restart; + /*u64 tx_timeout_count;*/ }; #define OCT_IQ_STATS_SIZE (sizeof(struct oct_iq_stats)) diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h index 9c14484bfca0..b481edc56c6e 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h @@ -30,6 +30,17 @@ #include #include +struct oct_nic_stats_resp { + u64 rh; + struct oct_link_stats stats; + u64 status; +}; + +struct oct_nic_stats_ctrl { + struct completion complete; + struct net_device *netdev; +}; + /** LiquidIO per-interface network private data */ struct lio { /** State of the interface. Rx/Tx happens only in the RUNNING state. */ -- 2.39.5