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/*-
* BSD LICENSE
*
* Copyright 2015 6WIND S.A.
* Copyright 2015 Mellanox.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * 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.
*
* 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.
*/
/* 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
#include "mlx5.h"
#include "mlx5_rxtx.h"
#include "mlx5_defs.h"
/**
* DPDK callback to get device statistics.
*
* @param dev
* Pointer to Ethernet device structure.
* @param[out] stats
* Stats structure output buffer.
*/
void
mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
struct priv *priv = mlx5_get_priv(dev);
struct rte_eth_stats tmp = {0};
unsigned int i;
unsigned int idx;
priv_lock(priv);
/* Add software counters. */
for (i = 0; (i != priv->rxqs_n); ++i) {
struct rxq *rxq = (*priv->rxqs)[i];
if (rxq == NULL)
continue;
idx = rxq->stats.idx;
if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
#ifdef MLX5_PMD_SOFT_COUNTERS
tmp.q_ipackets[idx] += rxq->stats.ipackets;
tmp.q_ibytes[idx] += rxq->stats.ibytes;
#endif
tmp.q_errors[idx] += (rxq->stats.idropped +
rxq->stats.rx_nombuf);
}
#ifdef MLX5_PMD_SOFT_COUNTERS
tmp.ipackets += rxq->stats.ipackets;
tmp.ibytes += rxq->stats.ibytes;
#endif
tmp.ierrors += rxq->stats.idropped;
tmp.rx_nombuf += rxq->stats.rx_nombuf;
}
for (i = 0; (i != priv->txqs_n); ++i) {
struct txq *txq = (*priv->txqs)[i];
if (txq == NULL)
continue;
idx = txq->stats.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;
}
#ifndef MLX5_PMD_SOFT_COUNTERS
/* FIXME: retrieve and add hardware counters. */
#endif
*stats = tmp;
priv_unlock(priv);
}
/**
* DPDK callback to clear device statistics.
*
* @param dev
* Pointer to Ethernet device structure.
*/
void
mlx5_stats_reset(struct rte_eth_dev *dev)
{
struct priv *priv = dev->data->dev_private;
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 };
}
for (i = 0; (i != priv->txqs_n); ++i) {
if ((*priv->txqs)[i] == NULL)
continue;
idx = (*priv->txqs)[i]->stats.idx;
(*priv->txqs)[i]->stats =
(struct mlx5_txq_stats){ .idx = idx };
}
#ifndef MLX5_PMD_SOFT_COUNTERS
/* FIXME: reset hardware counters. */
#endif
priv_unlock(priv);
}
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