-/*-
- * BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2015 6WIND S.A.
+ * Copyright 2015 Mellanox Technologies, Ltd
+ */
+
+#include <inttypes.h>
+#include <linux/sockios.h>
+#include <linux/ethtool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include <rte_ethdev_driver.h>
+#include <rte_common.h>
+#include <rte_malloc.h>
+
+#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.
*
- * Copyright 2015 6WIND S.A.
- * Copyright 2015 Mellanox.
+ * @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.
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
+ * @param dev
+ * Pointer to Ethernet device.
*
- * * 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.
+ * @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.
*
- * 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.
+ * @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;
-/* 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
+ /* 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];
-#include "mlx5.h"
-#include "mlx5_rxtx.h"
-#include "mlx5_defs.h"
+ 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.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param[out] stats
+ * Pointer to rte extended stats table.
+ * @param n
+ * The size of the stats table.
+ *
+ * @return
+ * Number of extended stats on success and stats is filled,
+ * negative on error and rte_errno is set.
+ */
+int
+mlx5_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats,
+ unsigned int n)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ unsigned int i;
+ uint64_t counters[n];
+ struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+ uint16_t mlx5_stats_n = xstats_ctrl->mlx5_stats_n;
+
+ if (n >= mlx5_stats_n && stats) {
+ int stats_n;
+ int ret;
+
+ stats_n = mlx5_ethtool_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);
+ 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]);
+ }
+ }
+ return mlx5_stats_n;
+}
/**
* DPDK callback to get device statistics.
* Pointer to Ethernet device structure.
* @param[out] stats
* Stats structure output buffer.
+ *
+ * @return
+ * 0 on success and stats is filled, negative errno value otherwise and
+ * rte_errno is set.
*/
-void
+int
mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
- struct priv *priv = dev->data->dev_private;
- struct rte_eth_stats tmp = {0};
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct rte_eth_stats tmp;
unsigned int i;
unsigned int idx;
- priv_lock(priv);
+ memset(&tmp, 0, sizeof(tmp));
/* 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;
- idx = rxq->stats.idx;
+ idx = rxq->idx;
if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
#ifdef MLX5_PMD_SOFT_COUNTERS
tmp.q_ipackets[idx] += rxq->stats.ipackets;
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;
- idx = txq->stats.idx;
+ idx = txq->idx;
if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
#ifdef MLX5_PMD_SOFT_COUNTERS
tmp.q_opackets[idx] += txq->stats.opackets;
tmp.q_obytes[idx] += txq->stats.obytes;
#endif
- tmp.q_errors[idx] += txq->stats.odropped;
}
#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;
}
+ mlx5_read_ib_stat(priv, "out_of_buffer", &tmp.imissed);
+ tmp.imissed -= priv->stats_ctrl.imissed_base;
#ifndef MLX5_PMD_SOFT_COUNTERS
/* FIXME: retrieve and add hardware counters. */
#endif
*stats = tmp;
- priv_unlock(priv);
+ return 0;
}
/**
*
* @param dev
* Pointer to Ethernet device structure.
+ *
+ * @return
+ * always 0 on success and stats is reset
*/
-void
+int
mlx5_stats_reset(struct rte_eth_dev *dev)
{
- struct priv *priv = dev->data->dev_private;
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl;
unsigned int i;
- unsigned int idx;
- priv_lock(priv);
for (i = 0; (i != priv->rxqs_n); ++i) {
if ((*priv->rxqs)[i] == NULL)
continue;
- idx = (*priv->rxqs)[i]->stats.idx;
- (*priv->rxqs)[i]->stats =
- (struct mlx5_rxq_stats){ .idx = idx };
+ memset(&(*priv->rxqs)[i]->stats, 0,
+ sizeof(struct mlx5_rxq_stats));
}
for (i = 0; (i != priv->txqs_n); ++i) {
if ((*priv->txqs)[i] == NULL)
continue;
- idx = (*priv->rxqs)[i]->stats.idx;
- (*priv->txqs)[i]->stats =
- (struct mlx5_txq_stats){ .idx = idx };
+ memset(&(*priv->txqs)[i]->stats, 0,
+ sizeof(struct mlx5_txq_stats));
}
+ mlx5_read_ib_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base);
#ifndef MLX5_PMD_SOFT_COUNTERS
/* FIXME: reset hardware counters. */
#endif
- priv_unlock(priv);
+
+ return 0;
+}
+
+/**
+ * DPDK callback to clear device extended statistics.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 0 on success and stats is reset, negative errno value otherwise and
+ * rte_errno is set.
+ */
+int
+mlx5_xstats_reset(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+ int stats_n;
+ unsigned int i;
+ unsigned int n = xstats_ctrl->mlx5_stats_n;
+ uint64_t counters[n];
+ int ret;
+
+ stats_n = mlx5_ethtool_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);
+ 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)
+ xstats_ctrl->base[i] = counters[i];
+
+ return 0;
+}
+
+/**
+ * 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 __rte_unused,
+ struct rte_eth_xstat_name *xstats_names, unsigned int n)
+{
+ unsigned int i;
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+ unsigned int mlx5_xstats_n = xstats_ctrl->mlx5_stats_n;
+
+ if (n >= mlx5_xstats_n && xstats_names) {
+ for (i = 0; i != mlx5_xstats_n; ++i) {
+ strncpy(xstats_names[i].name,
+ xstats_ctrl->info[i].dpdk_name,
+ RTE_ETH_XSTATS_NAME_SIZE);
+ xstats_names[i].name[RTE_ETH_XSTATS_NAME_SIZE - 1] = 0;
+ }
+ }
+ return mlx5_xstats_n;
}