X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_stats.c;h=a9b33ee77eec867e2918189706629bd24e294cdc;hb=0bf68c660e932e76087dc8c87f8b1dacba89c2be;hp=0ed717033e83023b73cb1ee96ce839212463be5c;hpb=7b4f1e6bd367855716d84e95a1dd85ac3647a4c8;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_stats.c b/drivers/net/mlx5/mlx5_stats.c index 0ed717033e..a9b33ee77e 100644 --- a/drivers/net/mlx5/mlx5_stats.c +++ b/drivers/net/mlx5/mlx5_stats.c @@ -4,317 +4,20 @@ */ #include -#include -#include #include #include +#include #include #include #include +#include + #include "mlx5_defs.h" #include "mlx5.h" #include "mlx5_rxtx.h" -static const struct mlx5_counter_ctrl mlx5_counters_init[] = { - { - .dpdk_name = "rx_port_unicast_bytes", - .ctr_name = "rx_vport_unicast_bytes", - }, - { - .dpdk_name = "rx_port_multicast_bytes", - .ctr_name = "rx_vport_multicast_bytes", - }, - { - .dpdk_name = "rx_port_broadcast_bytes", - .ctr_name = "rx_vport_broadcast_bytes", - }, - { - .dpdk_name = "rx_port_unicast_packets", - .ctr_name = "rx_vport_unicast_packets", - }, - { - .dpdk_name = "rx_port_multicast_packets", - .ctr_name = "rx_vport_multicast_packets", - }, - { - .dpdk_name = "rx_port_broadcast_packets", - .ctr_name = "rx_vport_broadcast_packets", - }, - { - .dpdk_name = "tx_port_unicast_bytes", - .ctr_name = "tx_vport_unicast_bytes", - }, - { - .dpdk_name = "tx_port_multicast_bytes", - .ctr_name = "tx_vport_multicast_bytes", - }, - { - .dpdk_name = "tx_port_broadcast_bytes", - .ctr_name = "tx_vport_broadcast_bytes", - }, - { - .dpdk_name = "tx_port_unicast_packets", - .ctr_name = "tx_vport_unicast_packets", - }, - { - .dpdk_name = "tx_port_multicast_packets", - .ctr_name = "tx_vport_multicast_packets", - }, - { - .dpdk_name = "tx_port_broadcast_packets", - .ctr_name = "tx_vport_broadcast_packets", - }, - { - .dpdk_name = "rx_wqe_err", - .ctr_name = "rx_wqe_err", - }, - { - .dpdk_name = "rx_crc_errors_phy", - .ctr_name = "rx_crc_errors_phy", - }, - { - .dpdk_name = "rx_in_range_len_errors_phy", - .ctr_name = "rx_in_range_len_errors_phy", - }, - { - .dpdk_name = "rx_symbol_err_phy", - .ctr_name = "rx_symbol_err_phy", - }, - { - .dpdk_name = "tx_errors_phy", - .ctr_name = "tx_errors_phy", - }, - { - .dpdk_name = "rx_out_of_buffer", - .ctr_name = "out_of_buffer", - .ib = 1, - }, - { - .dpdk_name = "tx_packets_phy", - .ctr_name = "tx_packets_phy", - }, - { - .dpdk_name = "rx_packets_phy", - .ctr_name = "rx_packets_phy", - }, - { - .dpdk_name = "tx_discards_phy", - .ctr_name = "tx_discards_phy", - }, - { - .dpdk_name = "rx_discards_phy", - .ctr_name = "rx_discards_phy", - }, - { - .dpdk_name = "tx_bytes_phy", - .ctr_name = "tx_bytes_phy", - }, - { - .dpdk_name = "rx_bytes_phy", - .ctr_name = "rx_bytes_phy", - }, - /* Representor only */ - { - .dpdk_name = "rx_packets", - .ctr_name = "vport_rx_packets", - }, - { - .dpdk_name = "rx_bytes", - .ctr_name = "vport_rx_bytes", - }, - { - .dpdk_name = "tx_packets", - .ctr_name = "vport_tx_packets", - }, - { - .dpdk_name = "tx_bytes", - .ctr_name = "vport_tx_bytes", - }, -}; - -static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init); - -static inline void -mlx5_read_ib_stat(struct mlx5_priv *priv, const char *ctr_name, uint64_t *stat) -{ - FILE *file; - if (priv->sh) { - MKSTR(path, "%s/ports/%d/hw_counters/%s", - priv->sh->ibdev_path, - priv->ibv_port, - ctr_name); - - file = fopen(path, "rb"); - if (file) { - int n = fscanf(file, "%" SCNu64, stat); - - fclose(file); - if (n == 1) - return; - } - } - *stat = 0; -} - -/** - * Read device counters table. - * - * @param dev - * Pointer to Ethernet device. - * @param[out] stats - * Counters table output buffer. - * - * @return - * 0 on success and stats is filled, negative errno value otherwise and - * rte_errno is set. - */ -static int -mlx5_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats) -{ - struct mlx5_priv *priv = dev->data->dev_private; - struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl; - unsigned int i; - struct ifreq ifr; - unsigned int stats_sz = xstats_ctrl->stats_n * sizeof(uint64_t); - unsigned char et_stat_buf[sizeof(struct ethtool_stats) + stats_sz]; - struct ethtool_stats *et_stats = (struct ethtool_stats *)et_stat_buf; - int ret; - - et_stats->cmd = ETHTOOL_GSTATS; - et_stats->n_stats = xstats_ctrl->stats_n; - ifr.ifr_data = (caddr_t)et_stats; - ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr); - if (ret) { - DRV_LOG(WARNING, - "port %u unable to read statistic values from device", - dev->data->port_id); - return ret; - } - for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) { - if (xstats_ctrl->info[i].ib) { - mlx5_read_ib_stat(priv, xstats_ctrl->info[i].ctr_name, - &stats[i]); - } else { - stats[i] = (uint64_t) - et_stats->data[xstats_ctrl->dev_table_idx[i]]; - } - } - return 0; -} - -/** - * Query the number of statistics provided by ETHTOOL. - * - * @param dev - * Pointer to Ethernet device. - * - * @return - * Number of statistics on success, negative errno value otherwise and - * rte_errno is set. - */ -static int -mlx5_ethtool_get_stats_n(struct rte_eth_dev *dev) { - struct ethtool_drvinfo drvinfo; - struct ifreq ifr; - int ret; - - drvinfo.cmd = ETHTOOL_GDRVINFO; - ifr.ifr_data = (caddr_t)&drvinfo; - ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr); - if (ret) { - DRV_LOG(WARNING, "port %u unable to query number of statistics", - dev->data->port_id); - return ret; - } - return drvinfo.n_stats; -} - -/** - * Init the structures to read device counters. - * - * @param dev - * Pointer to Ethernet device. - */ -void -mlx5_stats_init(struct rte_eth_dev *dev) -{ - struct mlx5_priv *priv = dev->data->dev_private; - struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl; - struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl; - unsigned int i; - unsigned int j; - struct ifreq ifr; - struct ethtool_gstrings *strings = NULL; - unsigned int dev_stats_n; - unsigned int str_sz; - int ret; - - /* So that it won't aggregate for each init. */ - xstats_ctrl->mlx5_stats_n = 0; - ret = mlx5_ethtool_get_stats_n(dev); - if (ret < 0) { - DRV_LOG(WARNING, "port %u no extended statistics available", - dev->data->port_id); - return; - } - dev_stats_n = ret; - /* Allocate memory to grab stat names and values. */ - str_sz = dev_stats_n * ETH_GSTRING_LEN; - strings = (struct ethtool_gstrings *) - rte_malloc("xstats_strings", - str_sz + sizeof(struct ethtool_gstrings), 0); - if (!strings) { - DRV_LOG(WARNING, "port %u unable to allocate memory for xstats", - dev->data->port_id); - return; - } - strings->cmd = ETHTOOL_GSTRINGS; - strings->string_set = ETH_SS_STATS; - strings->len = dev_stats_n; - ifr.ifr_data = (caddr_t)strings; - ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr); - if (ret) { - DRV_LOG(WARNING, "port %u unable to get statistic names", - dev->data->port_id); - goto free; - } - for (i = 0; i != dev_stats_n; ++i) { - const char *curr_string = (const char *) - &strings->data[i * ETH_GSTRING_LEN]; - - for (j = 0; j != xstats_n; ++j) { - if (!strcmp(mlx5_counters_init[j].ctr_name, - curr_string)) { - unsigned int idx = xstats_ctrl->mlx5_stats_n++; - - xstats_ctrl->dev_table_idx[idx] = i; - xstats_ctrl->info[idx] = mlx5_counters_init[j]; - break; - } - } - } - /* Add IB counters. */ - for (i = 0; i != xstats_n; ++i) { - if (mlx5_counters_init[i].ib) { - unsigned int idx = xstats_ctrl->mlx5_stats_n++; - - xstats_ctrl->info[idx] = mlx5_counters_init[i]; - } - } - assert(xstats_ctrl->mlx5_stats_n <= MLX5_MAX_XSTATS); - xstats_ctrl->stats_n = dev_stats_n; - /* Copy to base at first time. */ - ret = mlx5_read_dev_counters(dev, xstats_ctrl->base); - if (ret) - DRV_LOG(ERR, "port %u cannot read device counters: %s", - dev->data->port_id, strerror(rte_errno)); - mlx5_read_ib_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base); -free: - rte_free(strings); -} - /** * DPDK callback to get extended device statistics. * @@ -343,17 +46,33 @@ mlx5_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats, int stats_n; int ret; - stats_n = mlx5_ethtool_get_stats_n(dev); + stats_n = mlx5_os_get_stats_n(dev); if (stats_n < 0) return stats_n; if (xstats_ctrl->stats_n != stats_n) - mlx5_stats_init(dev); - ret = mlx5_read_dev_counters(dev, counters); + mlx5_os_stats_init(dev); + ret = mlx5_os_read_dev_counters(dev, counters); if (ret) return ret; for (i = 0; i != mlx5_stats_n; ++i) { stats[i].id = i; - stats[i].value = (counters[i] - xstats_ctrl->base[i]); + if (xstats_ctrl->info[i].dev) { + uint64_t wrap_n; + uint64_t hw_stat = xstats_ctrl->hw_stats[i]; + + stats[i].value = (counters[i] - + xstats_ctrl->base[i]) & + (uint64_t)UINT32_MAX; + wrap_n = hw_stat >> 32; + if (stats[i].value < + (hw_stat & (uint64_t)UINT32_MAX)) + wrap_n++; + stats[i].value |= (wrap_n) << 32; + xstats_ctrl->hw_stats[i] = stats[i].value; + } else { + stats[i].value = + (counters[i] - xstats_ctrl->base[i]); + } } } return mlx5_stats_n; @@ -375,9 +94,12 @@ int mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) { struct mlx5_priv *priv = dev->data->dev_private; + struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl; struct rte_eth_stats tmp; unsigned int i; unsigned int idx; + uint64_t wrap_n; + int ret; memset(&tmp, 0, sizeof(tmp)); /* Add software counters. */ @@ -420,8 +142,18 @@ mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) #endif tmp.oerrors += txq->stats.oerrors; } - mlx5_read_ib_stat(priv, "out_of_buffer", &tmp.imissed); - tmp.imissed -= priv->stats_ctrl.imissed_base; + ret = mlx5_os_read_dev_stat(priv, "out_of_buffer", &tmp.imissed); + if (ret == 0) { + tmp.imissed = (tmp.imissed - stats_ctrl->imissed_base) & + (uint64_t)UINT32_MAX; + wrap_n = stats_ctrl->imissed >> 32; + if (tmp.imissed < (stats_ctrl->imissed & (uint64_t)UINT32_MAX)) + wrap_n++; + tmp.imissed |= (wrap_n) << 32; + stats_ctrl->imissed = tmp.imissed; + } else { + tmp.imissed = stats_ctrl->imissed; + } #ifndef MLX5_PMD_SOFT_COUNTERS /* FIXME: retrieve and add hardware counters. */ #endif @@ -457,7 +189,8 @@ mlx5_stats_reset(struct rte_eth_dev *dev) memset(&(*priv->txqs)[i]->stats, 0, sizeof(struct mlx5_txq_stats)); } - mlx5_read_ib_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base); + mlx5_os_read_dev_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base); + stats_ctrl->imissed = 0; #ifndef MLX5_PMD_SOFT_COUNTERS /* FIXME: reset hardware counters. */ #endif @@ -486,22 +219,24 @@ mlx5_xstats_reset(struct rte_eth_dev *dev) uint64_t counters[n]; int ret; - stats_n = mlx5_ethtool_get_stats_n(dev); + stats_n = mlx5_os_get_stats_n(dev); if (stats_n < 0) { DRV_LOG(ERR, "port %u cannot get stats: %s", dev->data->port_id, strerror(-stats_n)); return stats_n; } if (xstats_ctrl->stats_n != stats_n) - mlx5_stats_init(dev); - ret = mlx5_read_dev_counters(dev, counters); + mlx5_os_stats_init(dev); + ret = mlx5_os_read_dev_counters(dev, counters); if (ret) { DRV_LOG(ERR, "port %u cannot read device counters: %s", dev->data->port_id, strerror(rte_errno)); return ret; } - for (i = 0; i != n; ++i) + for (i = 0; i != n; ++i) { xstats_ctrl->base[i] = counters[i]; + xstats_ctrl->hw_stats[i] = 0; + } return 0; }