/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2015 6WIND S.A.
- * Copyright 2015 Mellanox.
+ * Copyright 2015 Mellanox Technologies, Ltd
*/
#include <inttypes.h>
/**
* Read device counters table.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param[out] stats
* Counters table output buffer.
*
* @return
- * 0 on success and stats is filled, negative on error.
+ * 0 on success and stats is filled, negative errno value otherwise and
+ * rte_errno is set.
*/
static int
-priv_read_dev_counters(struct priv *priv, uint64_t *stats)
+mlx5_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats)
{
+ struct 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 (priv_ifreq(priv, SIOCETHTOOL, &ifr) != 0) {
- WARN("unable to read statistic values from device");
- return -1;
+ ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr, 1);
+ 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_n; ++i) {
if (mlx5_counters_init[i].ib) {
/**
* Query the number of statistics provided by ETHTOOL.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
*
* @return
- * Number of statistics on success, -1 on error.
+ * Number of statistics on success, negative errno value otherwise and
+ * rte_errno is set.
*/
static int
-priv_ethtool_get_stats_n(struct priv *priv) {
+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;
- if (priv_ifreq(priv, SIOCETHTOOL, &ifr) != 0) {
- WARN("unable to query number of statistics");
- return -1;
+ ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr, 1);
+ 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 priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
*/
void
-priv_xstats_init(struct priv *priv)
+mlx5_xstats_init(struct rte_eth_dev *dev)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
unsigned int i;
unsigned int j;
struct ethtool_gstrings *strings = NULL;
unsigned int dev_stats_n;
unsigned int str_sz;
+ int ret;
- dev_stats_n = priv_ethtool_get_stats_n(priv);
- if (dev_stats_n < 1) {
- WARN("no extended statistics available");
+ 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;
xstats_ctrl->stats_n = dev_stats_n;
/* Allocate memory to grab stat names and values. */
str_sz = dev_stats_n * ETH_GSTRING_LEN;
rte_malloc("xstats_strings",
str_sz + sizeof(struct ethtool_gstrings), 0);
if (!strings) {
- WARN("unable to allocate memory for xstats");
+ 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_ifreq(priv, SIOCETHTOOL, &ifr) != 0) {
- WARN("unable to get statistic names");
+ ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr, 1);
+ if (ret) {
+ DRV_LOG(WARNING, "port %u unable to get statistic names",
+ dev->data->port_id);
goto free;
}
for (j = 0; j != xstats_n; ++j)
if (mlx5_counters_init[j].ib)
continue;
if (xstats_ctrl->dev_table_idx[j] >= dev_stats_n) {
- WARN("counter \"%s\" is not recognized",
- mlx5_counters_init[j].dpdk_name);
+ DRV_LOG(WARNING,
+ "port %u counter \"%s\" is not recognized",
+ dev->data->port_id,
+ 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);
+ 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));
free:
rte_free(strings);
}
/**
- * Get device extended statistics.
+ * DPDK callback to get extended device statistics.
*
- * @param priv
- * Pointer to private structure.
+ * @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.
+ * negative on error and rte_errno is set.
*/
-static int
-priv_xstats_get(struct priv *priv, struct rte_eth_xstat *stats)
+int
+mlx5_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats,
+ unsigned int n)
{
- struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+ struct priv *priv = dev->data->dev_private;
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 (n >= xstats_n && stats) {
+ struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+ int stats_n;
+ int ret;
- if (priv_read_dev_counters(priv, counters) < 0)
- return;
- for (i = 0; i != n; ++i)
- xstats_ctrl->base[i] = counters[i];
+ stats_n = mlx5_ethtool_get_stats_n(dev);
+ if (stats_n < 0)
+ return stats_n;
+ if (xstats_ctrl->stats_n != stats_n)
+ mlx5_xstats_init(dev);
+ ret = mlx5_read_dev_counters(dev, counters);
+ if (ret)
+ return ret;
+ for (i = 0; i != xstats_n; ++i) {
+ stats[i].id = i;
+ stats[i].value = (counters[i] - xstats_ctrl->base[i]);
+ }
+ }
+ return xstats_n;
}
/**
* 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.
*/
int
mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
#endif
}
-/**
- * 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;
-
- stats_n = priv_ethtool_get_stats_n(priv);
- if (stats_n < 0) {
- return -1;
- }
- if (xstats_ctrl->stats_n != stats_n)
- priv_xstats_init(priv);
- ret = priv_xstats_get(priv, stats);
- }
- return ret;
-}
-
/**
* DPDK callback to clear device extended statistics.
*
struct 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_n;
+ uint64_t counters[n];
+ int ret;
- stats_n = priv_ethtool_get_stats_n(priv);
- if (stats_n < 0)
+ 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;
+ }
if (xstats_ctrl->stats_n != stats_n)
- priv_xstats_init(priv);
- priv_xstats_reset(priv);
+ mlx5_xstats_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;
+ }
+ for (i = 0; i != n; ++i)
+ xstats_ctrl->base[i] = counters[i];
}
/**
*/
int
mlx5_xstats_get_names(struct rte_eth_dev *dev __rte_unused,
- struct rte_eth_xstat_name *xstats_names, unsigned int n)
+ struct rte_eth_xstat_name *xstats_names, unsigned int n)
{
unsigned int i;
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