1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2015 6WIND S.A.
3 * Copyright 2015 Mellanox Technologies, Ltd
11 #include <ethdev_driver.h>
12 #include <rte_common.h>
13 #include <rte_malloc.h>
15 #include <mlx5_common.h>
17 #include "mlx5_defs.h"
21 #include "mlx5_malloc.h"
24 * DPDK callback to get extended device statistics.
27 * Pointer to Ethernet device.
29 * Pointer to rte extended stats table.
31 * The size of the stats table.
34 * Number of extended stats on success and stats is filled,
35 * negative on error and rte_errno is set.
38 mlx5_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats,
41 struct mlx5_priv *priv = dev->data->dev_private;
44 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
45 uint16_t mlx5_stats_n = xstats_ctrl->mlx5_stats_n;
47 if (n >= mlx5_stats_n && stats) {
51 stats_n = mlx5_os_get_stats_n(dev);
54 if (xstats_ctrl->stats_n != stats_n)
55 mlx5_os_stats_init(dev);
56 ret = mlx5_os_read_dev_counters(dev, counters);
59 for (i = 0; i != mlx5_stats_n; ++i) {
61 if (xstats_ctrl->info[i].dev) {
63 uint64_t hw_stat = xstats_ctrl->hw_stats[i];
65 stats[i].value = (counters[i] -
66 xstats_ctrl->base[i]) &
68 wrap_n = hw_stat >> 32;
70 (hw_stat & (uint64_t)UINT32_MAX))
72 stats[i].value |= (wrap_n) << 32;
73 xstats_ctrl->hw_stats[i] = stats[i].value;
76 (counters[i] - xstats_ctrl->base[i]);
80 mlx5_stats_n = mlx5_txpp_xstats_get(dev, stats, n, mlx5_stats_n);
85 * DPDK callback to get device statistics.
88 * Pointer to Ethernet device structure.
90 * Stats structure output buffer.
93 * 0 on success and stats is filled, negative errno value otherwise and
97 mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
99 struct mlx5_priv *priv = dev->data->dev_private;
100 struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl;
101 struct rte_eth_stats tmp;
107 memset(&tmp, 0, sizeof(tmp));
108 /* Add software counters. */
109 for (i = 0; (i != priv->rxqs_n); ++i) {
110 struct mlx5_rxq_data *rxq = mlx5_rxq_data_get(dev, i);
115 if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
116 #ifdef MLX5_PMD_SOFT_COUNTERS
117 tmp.q_ipackets[idx] += rxq->stats.ipackets -
118 rxq->stats_reset.ipackets;
119 tmp.q_ibytes[idx] += rxq->stats.ibytes -
120 rxq->stats_reset.ibytes;
122 tmp.q_errors[idx] += (rxq->stats.idropped +
123 rxq->stats.rx_nombuf) -
124 (rxq->stats_reset.idropped +
125 rxq->stats_reset.rx_nombuf);
127 #ifdef MLX5_PMD_SOFT_COUNTERS
128 tmp.ipackets += rxq->stats.ipackets - rxq->stats_reset.ipackets;
129 tmp.ibytes += rxq->stats.ibytes - rxq->stats_reset.ibytes;
131 tmp.ierrors += rxq->stats.idropped - rxq->stats_reset.idropped;
132 tmp.rx_nombuf += rxq->stats.rx_nombuf -
133 rxq->stats_reset.rx_nombuf;
135 for (i = 0; (i != priv->txqs_n); ++i) {
136 struct mlx5_txq_data *txq = (*priv->txqs)[i];
141 if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
142 #ifdef MLX5_PMD_SOFT_COUNTERS
143 tmp.q_opackets[idx] += txq->stats.opackets -
144 txq->stats_reset.opackets;
145 tmp.q_obytes[idx] += txq->stats.obytes -
146 txq->stats_reset.obytes;
149 #ifdef MLX5_PMD_SOFT_COUNTERS
150 tmp.opackets += txq->stats.opackets - txq->stats_reset.opackets;
151 tmp.obytes += txq->stats.obytes - txq->stats_reset.obytes;
153 tmp.oerrors += txq->stats.oerrors - txq->stats_reset.oerrors;
155 ret = mlx5_os_read_dev_stat(priv, "out_of_buffer", &tmp.imissed);
157 tmp.imissed = (tmp.imissed - stats_ctrl->imissed_base) &
158 (uint64_t)UINT32_MAX;
159 wrap_n = stats_ctrl->imissed >> 32;
160 if (tmp.imissed < (stats_ctrl->imissed & (uint64_t)UINT32_MAX))
162 tmp.imissed |= (wrap_n) << 32;
163 stats_ctrl->imissed = tmp.imissed;
165 tmp.imissed = stats_ctrl->imissed;
167 #ifndef MLX5_PMD_SOFT_COUNTERS
168 /* FIXME: retrieve and add hardware counters. */
175 * DPDK callback to clear device statistics.
178 * Pointer to Ethernet device structure.
181 * always 0 on success and stats is reset
184 mlx5_stats_reset(struct rte_eth_dev *dev)
186 struct mlx5_priv *priv = dev->data->dev_private;
187 struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl;
190 for (i = 0; (i != priv->rxqs_n); ++i) {
191 struct mlx5_rxq_data *rxq_data = mlx5_rxq_data_get(dev, i);
193 if (rxq_data == NULL)
195 rxq_data->stats_reset = rxq_data->stats;
197 for (i = 0; (i != priv->txqs_n); ++i) {
198 struct mlx5_txq_data *txq_data = (*priv->txqs)[i];
200 if (txq_data == NULL)
202 txq_data->stats_reset = txq_data->stats;
204 mlx5_os_read_dev_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base);
205 stats_ctrl->imissed = 0;
206 #ifndef MLX5_PMD_SOFT_COUNTERS
207 /* FIXME: reset hardware counters. */
214 * DPDK callback to clear device extended statistics.
217 * Pointer to Ethernet device structure.
220 * 0 on success and stats is reset, negative errno value otherwise and
224 mlx5_xstats_reset(struct rte_eth_dev *dev)
226 struct mlx5_priv *priv = dev->data->dev_private;
227 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
233 stats_n = mlx5_os_get_stats_n(dev);
235 DRV_LOG(ERR, "port %u cannot get stats: %s", dev->data->port_id,
239 if (xstats_ctrl->stats_n != stats_n)
240 mlx5_os_stats_init(dev);
241 counters = mlx5_malloc(MLX5_MEM_SYS, sizeof(*counters) *
242 xstats_ctrl->mlx5_stats_n, 0,
245 DRV_LOG(WARNING, "port %u unable to allocate memory for xstats "
251 ret = mlx5_os_read_dev_counters(dev, counters);
253 DRV_LOG(ERR, "port %u cannot read device counters: %s",
254 dev->data->port_id, strerror(rte_errno));
258 for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) {
259 xstats_ctrl->base[i] = counters[i];
260 xstats_ctrl->hw_stats[i] = 0;
262 mlx5_txpp_xstats_reset(dev);
268 * DPDK callback to retrieve names of extended device statistics
271 * Pointer to Ethernet device structure.
272 * @param[out] xstats_names
273 * Buffer to insert names into.
278 * Number of xstats names.
281 mlx5_xstats_get_names(struct rte_eth_dev *dev,
282 struct rte_eth_xstat_name *xstats_names, unsigned int n)
285 struct mlx5_priv *priv = dev->data->dev_private;
286 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
287 unsigned int mlx5_xstats_n = xstats_ctrl->mlx5_stats_n;
289 if (n >= mlx5_xstats_n && xstats_names) {
290 for (i = 0; i != mlx5_xstats_n; ++i) {
291 strncpy(xstats_names[i].name,
292 xstats_ctrl->info[i].dpdk_name,
293 RTE_ETH_XSTATS_NAME_SIZE);
294 xstats_names[i].name[RTE_ETH_XSTATS_NAME_SIZE - 1] = 0;
297 mlx5_xstats_n = mlx5_txpp_xstats_get_names(dev, xstats_names,
299 return mlx5_xstats_n;