net/mlx5: use SPDX tags in 6WIND copyrighted files
[dpdk.git] / drivers / net / mlx5 / mlx5_stats.c
index a51e945..378472a 100644 (file)
-/*-
- *   BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2015 6WIND S.A.
+ * Copyright 2015 Mellanox.
+ */
+
+#include <linux/sockios.h>
+#include <linux/ethtool.h>
+
+#include <rte_ethdev_driver.h>
+#include <rte_common.h>
+#include <rte_malloc.h>
+
+#include "mlx5.h"
+#include "mlx5_rxtx.h"
+#include "mlx5_defs.h"
+
+struct mlx5_counter_ctrl {
+       /* Name of the counter. */
+       char dpdk_name[RTE_ETH_XSTATS_NAME_SIZE];
+       /* Name of the counter on the device table. */
+       char ctr_name[RTE_ETH_XSTATS_NAME_SIZE];
+};
+
+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",
+       },
+       {
+               .dpdk_name = "tx_packets_phy",
+               .ctr_name = "tx_packets_phy",
+       },
+       {
+               .dpdk_name = "rx_packets_phy",
+               .ctr_name = "rx_packets_phy",
+       },
+       {
+               .dpdk_name = "tx_bytes_phy",
+               .ctr_name = "tx_bytes_phy",
+       },
+       {
+               .dpdk_name = "rx_bytes_phy",
+               .ctr_name = "rx_bytes_phy",
+       },
+};
+
+static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
+
+/**
+ * Read device counters table.
  *
- *   Copyright 2015 6WIND S.A.
- *   Copyright 2015 Mellanox.
+ * @param priv
+ *   Pointer to private structure.
+ * @param[out] stats
+ *   Counters table output buffer.
  *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
+ * @return
+ *   0 on success and stats is filled, negative on error.
+ */
+static int
+priv_read_dev_counters(struct priv *priv, uint64_t *stats)
+{
+       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;
+
+       et_stats->cmd = ETHTOOL_GSTATS;
+       et_stats->n_stats = xstats_ctrl->stats_n;
+       ifr.ifr_data = (caddr_t)et_stats;
+       if (priv_ifreq(priv, SIOCETHTOOL, &ifr) != 0) {
+               WARN("unable to read statistic values from device");
+               return -1;
+       }
+       for (i = 0; i != xstats_n; ++i) {
+               if (priv_is_ib_cntr(mlx5_counters_init[i].ctr_name))
+                       priv_get_cntr_sysfs(priv,
+                                           mlx5_counters_init[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.
  *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of 6WIND S.A. nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
+ * @param priv
+ *   Pointer to private structure.
  *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * @return
+ *   Number of statistics on success, -1 on error.
  */
+static int
+priv_ethtool_get_stats_n(struct priv *priv) {
+       struct ethtool_drvinfo drvinfo;
+       struct ifreq ifr;
 
-/* DPDK headers don't like -pedantic. */
-#ifdef PEDANTIC
-#pragma GCC diagnostic ignored "-pedantic"
-#endif
-#include <rte_ethdev.h>
-#ifdef PEDANTIC
-#pragma GCC diagnostic error "-pedantic"
-#endif
+       drvinfo.cmd = ETHTOOL_GDRVINFO;
+       ifr.ifr_data = (caddr_t)&drvinfo;
+       if (priv_ifreq(priv, SIOCETHTOOL, &ifr) != 0) {
+               WARN("unable to query number of statistics");
+               return -1;
+       }
+       return drvinfo.n_stats;
+}
 
-#include "mlx5.h"
-#include "mlx5_rxtx.h"
-#include "mlx5_defs.h"
+/**
+ * Init the structures to read device counters.
+ *
+ * @param priv
+ *   Pointer to private structure.
+ */
+void
+priv_xstats_init(struct priv *priv)
+{
+       struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+       unsigned int i;
+       unsigned int j;
+       struct ifreq ifr;
+       struct ethtool_gstrings *strings = NULL;
+       unsigned int dev_stats_n;
+       unsigned int str_sz;
+
+       dev_stats_n = priv_ethtool_get_stats_n(priv);
+       if (dev_stats_n < 1) {
+               WARN("no extended statistics available");
+               return;
+       }
+       xstats_ctrl->stats_n = dev_stats_n;
+       /* 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) {
+               WARN("unable to allocate memory for xstats");
+               return;
+       }
+       strings->cmd = ETHTOOL_GSTRINGS;
+       strings->string_set = ETH_SS_STATS;
+       strings->len = dev_stats_n;
+       ifr.ifr_data = (caddr_t)strings;
+       if (priv_ifreq(priv, SIOCETHTOOL, &ifr) != 0) {
+               WARN("unable to get statistic names");
+               goto free;
+       }
+       for (j = 0; j != xstats_n; ++j)
+               xstats_ctrl->dev_table_idx[j] = dev_stats_n;
+       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)) {
+                               xstats_ctrl->dev_table_idx[j] = i;
+                               break;
+                       }
+               }
+       }
+       for (j = 0; j != xstats_n; ++j) {
+               if (priv_is_ib_cntr(mlx5_counters_init[j].ctr_name))
+                       continue;
+               if (xstats_ctrl->dev_table_idx[j] >= dev_stats_n) {
+                       WARN("counter \"%s\" is not recognized",
+                            mlx5_counters_init[j].dpdk_name);
+                       goto free;
+               }
+       }
+       /* Copy to base at first time. */
+       assert(xstats_n <= MLX5_MAX_XSTATS);
+       priv_read_dev_counters(priv, xstats_ctrl->base);
+free:
+       rte_free(strings);
+}
+
+/**
+ * Get device extended statistics.
+ *
+ * @param priv
+ *   Pointer to private structure.
+ * @param[out] stats
+ *   Pointer to rte extended stats table.
+ *
+ * @return
+ *   Number of extended stats on success and stats is filled,
+ *   negative on error.
+ */
+static int
+priv_xstats_get(struct priv *priv, struct rte_eth_xstat *stats)
+{
+       struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+       unsigned int i;
+       unsigned int n = xstats_n;
+       uint64_t counters[n];
+
+       if (priv_read_dev_counters(priv, counters) < 0)
+               return -1;
+       for (i = 0; i != xstats_n; ++i) {
+               stats[i].id = i;
+               stats[i].value = (counters[i] - xstats_ctrl->base[i]);
+       }
+       return n;
+}
+
+/**
+ * Reset device extended statistics.
+ *
+ * @param priv
+ *   Pointer to private structure.
+ */
+static void
+priv_xstats_reset(struct priv *priv)
+{
+       struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+       unsigned int i;
+       unsigned int n = xstats_n;
+       uint64_t counters[n];
+
+       if (priv_read_dev_counters(priv, counters) < 0)
+               return;
+       for (i = 0; i != n; ++i)
+               xstats_ctrl->base[i] = counters[i];
+}
 
 /**
  * DPDK callback to get device statistics.
  * @param[out] stats
  *   Stats structure output buffer.
  */
-void
+int
 mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 {
        struct priv *priv = dev->data->dev_private;
@@ -63,7 +315,7 @@ mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
        priv_lock(priv);
        /* Add software counters. */
        for (i = 0; (i != priv->rxqs_n); ++i) {
-               struct rxq *rxq = (*priv->rxqs)[i];
+               struct mlx5_rxq_data *rxq = (*priv->rxqs)[i];
 
                if (rxq == NULL)
                        continue;
@@ -84,7 +336,7 @@ mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
                tmp.rx_nombuf += rxq->stats.rx_nombuf;
        }
        for (i = 0; (i != priv->txqs_n); ++i) {
-               struct txq *txq = (*priv->txqs)[i];
+               struct mlx5_txq_data *txq = (*priv->txqs)[i];
 
                if (txq == NULL)
                        continue;
@@ -94,19 +346,20 @@ mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
                        tmp.q_opackets[idx] += txq->stats.opackets;
                        tmp.q_obytes[idx] += txq->stats.obytes;
 #endif
-                       tmp.q_errors[idx] += txq->stats.odropped;
+                       tmp.q_errors[idx] += txq->stats.oerrors;
                }
 #ifdef MLX5_PMD_SOFT_COUNTERS
                tmp.opackets += txq->stats.opackets;
                tmp.obytes += txq->stats.obytes;
 #endif
-               tmp.oerrors += txq->stats.odropped;
+               tmp.oerrors += txq->stats.oerrors;
        }
 #ifndef MLX5_PMD_SOFT_COUNTERS
        /* FIXME: retrieve and add hardware counters. */
 #endif
        *stats = tmp;
        priv_unlock(priv);
+       return 0;
 }
 
 /**
@@ -133,7 +386,7 @@ mlx5_stats_reset(struct rte_eth_dev *dev)
        for (i = 0; (i != priv->txqs_n); ++i) {
                if ((*priv->txqs)[i] == NULL)
                        continue;
-               idx = (*priv->rxqs)[i]->stats.idx;
+               idx = (*priv->txqs)[i]->stats.idx;
                (*priv->txqs)[i]->stats =
                        (struct mlx5_txq_stats){ .idx = idx };
        }
@@ -142,3 +395,98 @@ mlx5_stats_reset(struct rte_eth_dev *dev)
 #endif
        priv_unlock(priv);
 }
+
+/**
+ * DPDK callback to get extended device statistics.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param[out] stats
+ *   Stats table output buffer.
+ * @param n
+ *   The size of the stats table.
+ *
+ * @return
+ *   Number of xstats on success, negative on failure.
+ */
+int
+mlx5_xstats_get(struct rte_eth_dev *dev,
+               struct rte_eth_xstat *stats, unsigned int n)
+{
+       struct priv *priv = dev->data->dev_private;
+       int ret = xstats_n;
+
+       if (n >= xstats_n && stats) {
+               struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+               int stats_n;
+
+               priv_lock(priv);
+               stats_n = priv_ethtool_get_stats_n(priv);
+               if (stats_n < 0) {
+                       priv_unlock(priv);
+                       return -1;
+               }
+               if (xstats_ctrl->stats_n != stats_n)
+                       priv_xstats_init(priv);
+               ret = priv_xstats_get(priv, stats);
+               priv_unlock(priv);
+       }
+       return ret;
+}
+
+/**
+ * DPDK callback to clear device extended statistics.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ */
+void
+mlx5_xstats_reset(struct rte_eth_dev *dev)
+{
+       struct priv *priv = dev->data->dev_private;
+       struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+       int stats_n;
+
+       priv_lock(priv);
+       stats_n = priv_ethtool_get_stats_n(priv);
+       if (stats_n < 0)
+               goto unlock;
+       if (xstats_ctrl->stats_n != stats_n)
+               priv_xstats_init(priv);
+       priv_xstats_reset(priv);
+unlock:
+       priv_unlock(priv);
+}
+
+/**
+ * DPDK callback to retrieve names of extended device statistics
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param[out] xstats_names
+ *   Buffer to insert names into.
+ * @param n
+ *   Number of names.
+ *
+ * @return
+ *   Number of xstats names.
+ */
+int
+mlx5_xstats_get_names(struct rte_eth_dev *dev,
+               struct rte_eth_xstat_name *xstats_names, unsigned int n)
+{
+       struct priv *priv = dev->data->dev_private;
+       unsigned int i;
+
+       if (n >= xstats_n && xstats_names) {
+               priv_lock(priv);
+               for (i = 0; i != xstats_n; ++i) {
+                       strncpy(xstats_names[i].name,
+                               mlx5_counters_init[i].dpdk_name,
+                               RTE_ETH_XSTATS_NAME_SIZE);
+                       xstats_names[i].name[RTE_ETH_XSTATS_NAME_SIZE - 1] = 0;
+               }
+               priv_unlock(priv);
+       }
+       return xstats_n;
+}