+
+/**
+ * Read device counters table.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param[in] pf
+ * PF index in case of bonding device, -1 otherwise
+ * @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_os_read_dev_counters(struct rte_eth_dev *dev, int pf, 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;
+ if (pf >= 0)
+ ret = mlx5_ifreq_by_ifname(priv->sh->bond.ports[pf].ifname,
+ SIOCETHTOOL, &ifr);
+ else
+ 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].dev)
+ continue;
+ stats[i] += (uint64_t)
+ et_stats->data[xstats_ctrl->dev_table_idx[i]];
+ }
+ return 0;
+}
+
+/**
+ * Read device counters.
+ *
+ * @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.
+ */
+int
+mlx5_os_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;
+ int ret = 0, i;
+
+ memset(stats, 0, sizeof(*stats) * xstats_ctrl->mlx5_stats_n);
+ /* Read ifreq counters. */
+ if (priv->master && priv->pf_bond >= 0) {
+ /* Sum xstats from bonding device member ports. */
+ for (i = 0; i < priv->sh->bond.n_port; i++) {
+ ret = _mlx5_os_read_dev_counters(dev, i, stats);
+ if (ret)
+ return ret;
+ }
+ } else {
+ ret = _mlx5_os_read_dev_counters(dev, -1, stats);
+ }
+ /* Read IB counters. */
+ for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) {
+ if (!xstats_ctrl->info[i].dev)
+ continue;
+ ret = mlx5_os_read_dev_stat(priv, xstats_ctrl->info[i].ctr_name,
+ &stats[i]);
+ /* return last xstats counter if fail to read. */
+ if (ret != 0)
+ xstats_ctrl->xstats[i] = stats[i];
+ else
+ stats[i] = xstats_ctrl->xstats[i];
+ }
+ return ret;
+}
+
+/**
+ * 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.
+ */
+int
+mlx5_os_get_stats_n(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct ethtool_drvinfo drvinfo;
+ struct ifreq ifr;
+ int ret;
+
+ drvinfo.cmd = ETHTOOL_GDRVINFO;
+ ifr.ifr_data = (caddr_t)&drvinfo;
+ if (priv->master && priv->pf_bond >= 0)
+ /* Bonding PF. */
+ ret = mlx5_ifreq_by_ifname(priv->sh->bond.ports[0].ifname,
+ SIOCETHTOOL, &ifr);
+ else
+ 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;
+}
+
+static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
+ {
+ .dpdk_name = "rx_unicast_bytes",
+ .ctr_name = "rx_vport_unicast_bytes",
+ },
+ {
+ .dpdk_name = "rx_multicast_bytes",
+ .ctr_name = "rx_vport_multicast_bytes",
+ },
+ {
+ .dpdk_name = "rx_broadcast_bytes",
+ .ctr_name = "rx_vport_broadcast_bytes",
+ },
+ {
+ .dpdk_name = "rx_unicast_packets",
+ .ctr_name = "rx_vport_unicast_packets",
+ },
+ {
+ .dpdk_name = "rx_multicast_packets",
+ .ctr_name = "rx_vport_multicast_packets",
+ },
+ {
+ .dpdk_name = "rx_broadcast_packets",
+ .ctr_name = "rx_vport_broadcast_packets",
+ },
+ {
+ .dpdk_name = "tx_unicast_bytes",
+ .ctr_name = "tx_vport_unicast_bytes",
+ },
+ {
+ .dpdk_name = "tx_multicast_bytes",
+ .ctr_name = "tx_vport_multicast_bytes",
+ },
+ {
+ .dpdk_name = "tx_broadcast_bytes",
+ .ctr_name = "tx_vport_broadcast_bytes",
+ },
+ {
+ .dpdk_name = "tx_unicast_packets",
+ .ctr_name = "tx_vport_unicast_packets",
+ },
+ {
+ .dpdk_name = "tx_multicast_packets",
+ .ctr_name = "tx_vport_multicast_packets",
+ },
+ {
+ .dpdk_name = "tx_broadcast_packets",
+ .ctr_name = "tx_vport_broadcast_packets",
+ },
+ {
+ .dpdk_name = "rx_wqe_errors",
+ .ctr_name = "rx_wqe_err",
+ },
+ {
+ .dpdk_name = "rx_phy_crc_errors",
+ .ctr_name = "rx_crc_errors_phy",
+ },
+ {
+ .dpdk_name = "rx_phy_in_range_len_errors",
+ .ctr_name = "rx_in_range_len_errors_phy",
+ },
+ {
+ .dpdk_name = "rx_phy_symbol_errors",
+ .ctr_name = "rx_symbol_err_phy",
+ },
+ {
+ .dpdk_name = "tx_phy_errors",
+ .ctr_name = "tx_errors_phy",
+ },
+ {
+ .dpdk_name = "rx_out_of_buffer",
+ .ctr_name = "out_of_buffer",
+ .dev = 1,
+ },
+ {
+ .dpdk_name = "tx_phy_packets",
+ .ctr_name = "tx_packets_phy",
+ },
+ {
+ .dpdk_name = "rx_phy_packets",
+ .ctr_name = "rx_packets_phy",
+ },
+ {
+ .dpdk_name = "tx_phy_discard_packets",
+ .ctr_name = "tx_discards_phy",
+ },
+ {
+ .dpdk_name = "rx_phy_discard_packets",
+ .ctr_name = "rx_discards_phy",
+ },
+ {
+ .dpdk_name = "tx_phy_bytes",
+ .ctr_name = "tx_bytes_phy",
+ },
+ {
+ .dpdk_name = "rx_phy_bytes",
+ .ctr_name = "rx_bytes_phy",
+ },
+ /* Representor only */
+ {
+ .dpdk_name = "rx_vport_packets",
+ .ctr_name = "vport_rx_packets",
+ },
+ {
+ .dpdk_name = "rx_vport_bytes",
+ .ctr_name = "vport_rx_bytes",
+ },
+ {
+ .dpdk_name = "tx_vport_packets",
+ .ctr_name = "vport_tx_packets",
+ },
+ {
+ .dpdk_name = "tx_vport_bytes",
+ .ctr_name = "vport_tx_bytes",
+ },
+};
+
+static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
+
+/**
+ * Init the structures to read device counters.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ */
+void
+mlx5_os_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_os_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 *)
+ mlx5_malloc(0, str_sz + sizeof(struct ethtool_gstrings), 0,
+ SOCKET_ID_ANY);
+ 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;
+ if (priv->master && priv->pf_bond >= 0)
+ /* Bonding master. */
+ ret = mlx5_ifreq_by_ifname(priv->sh->bond.ports[0].ifname,
+ SIOCETHTOOL, &ifr);
+ else
+ 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 dev counters. */
+ for (i = 0; i != xstats_n; ++i) {
+ if (mlx5_counters_init[i].dev) {
+ unsigned int idx = xstats_ctrl->mlx5_stats_n++;
+
+ xstats_ctrl->info[idx] = mlx5_counters_init[i];
+ xstats_ctrl->hw_stats[idx] = 0;
+ }
+ }
+ MLX5_ASSERT(xstats_ctrl->mlx5_stats_n <= MLX5_MAX_XSTATS);
+ xstats_ctrl->stats_n = dev_stats_n;
+ /* Copy to base at first time. */
+ ret = mlx5_os_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_os_read_dev_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base);
+ stats_ctrl->imissed = 0;
+free:
+ mlx5_free(strings);
+}
+
+/**
+ * Get MAC address by querying netdevice.
+ *
+ * @param[in] dev
+ * Pointer to Ethernet device.
+ * @param[out] mac
+ * MAC address output buffer.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_get_mac(struct rte_eth_dev *dev, uint8_t (*mac)[RTE_ETHER_ADDR_LEN])
+{
+ struct ifreq request;
+ int ret;
+
+ ret = mlx5_ifreq(dev, SIOCGIFHWADDR, &request);
+ if (ret)
+ return ret;
+ memcpy(mac, request.ifr_hwaddr.sa_data, RTE_ETHER_ADDR_LEN);
+ return 0;
+}