-
-
-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);
-}