1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2015 6WIND S.A.
3 * Copyright 2015 Mellanox Technologies, Ltd
7 #include <linux/sockios.h>
8 #include <linux/ethtool.h>
12 #include <rte_ethdev_driver.h>
13 #include <rte_common.h>
14 #include <rte_malloc.h>
17 #include "mlx5_rxtx.h"
18 #include "mlx5_defs.h"
20 static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
22 .dpdk_name = "rx_port_unicast_bytes",
23 .ctr_name = "rx_vport_unicast_bytes",
26 .dpdk_name = "rx_port_multicast_bytes",
27 .ctr_name = "rx_vport_multicast_bytes",
30 .dpdk_name = "rx_port_broadcast_bytes",
31 .ctr_name = "rx_vport_broadcast_bytes",
34 .dpdk_name = "rx_port_unicast_packets",
35 .ctr_name = "rx_vport_unicast_packets",
38 .dpdk_name = "rx_port_multicast_packets",
39 .ctr_name = "rx_vport_multicast_packets",
42 .dpdk_name = "rx_port_broadcast_packets",
43 .ctr_name = "rx_vport_broadcast_packets",
46 .dpdk_name = "tx_port_unicast_bytes",
47 .ctr_name = "tx_vport_unicast_bytes",
50 .dpdk_name = "tx_port_multicast_bytes",
51 .ctr_name = "tx_vport_multicast_bytes",
54 .dpdk_name = "tx_port_broadcast_bytes",
55 .ctr_name = "tx_vport_broadcast_bytes",
58 .dpdk_name = "tx_port_unicast_packets",
59 .ctr_name = "tx_vport_unicast_packets",
62 .dpdk_name = "tx_port_multicast_packets",
63 .ctr_name = "tx_vport_multicast_packets",
66 .dpdk_name = "tx_port_broadcast_packets",
67 .ctr_name = "tx_vport_broadcast_packets",
70 .dpdk_name = "rx_wqe_err",
71 .ctr_name = "rx_wqe_err",
74 .dpdk_name = "rx_crc_errors_phy",
75 .ctr_name = "rx_crc_errors_phy",
78 .dpdk_name = "rx_in_range_len_errors_phy",
79 .ctr_name = "rx_in_range_len_errors_phy",
82 .dpdk_name = "rx_symbol_err_phy",
83 .ctr_name = "rx_symbol_err_phy",
86 .dpdk_name = "tx_errors_phy",
87 .ctr_name = "tx_errors_phy",
90 .dpdk_name = "rx_out_of_buffer",
91 .ctr_name = "out_of_buffer",
95 .dpdk_name = "tx_packets_phy",
96 .ctr_name = "tx_packets_phy",
99 .dpdk_name = "rx_packets_phy",
100 .ctr_name = "rx_packets_phy",
103 .dpdk_name = "tx_bytes_phy",
104 .ctr_name = "tx_bytes_phy",
107 .dpdk_name = "rx_bytes_phy",
108 .ctr_name = "rx_bytes_phy",
110 /* Representor only */
112 .dpdk_name = "rx_packets",
113 .ctr_name = "vport_rx_packets",
116 .dpdk_name = "rx_bytes",
117 .ctr_name = "vport_rx_bytes",
120 .dpdk_name = "tx_packets",
121 .ctr_name = "vport_tx_packets",
124 .dpdk_name = "tx_bytes",
125 .ctr_name = "vport_tx_bytes",
129 static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
132 * Read device counters table.
135 * Pointer to Ethernet device.
137 * Counters table output buffer.
140 * 0 on success and stats is filled, negative errno value otherwise and
144 mlx5_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats)
146 struct priv *priv = dev->data->dev_private;
147 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
150 unsigned int stats_sz = xstats_ctrl->stats_n * sizeof(uint64_t);
151 unsigned char et_stat_buf[sizeof(struct ethtool_stats) + stats_sz];
152 struct ethtool_stats *et_stats = (struct ethtool_stats *)et_stat_buf;
155 et_stats->cmd = ETHTOOL_GSTATS;
156 et_stats->n_stats = xstats_ctrl->stats_n;
157 ifr.ifr_data = (caddr_t)et_stats;
158 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
161 "port %u unable to read statistic values from device",
165 for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) {
166 if (xstats_ctrl->info[i].ib) {
168 MKSTR(path, "%s/ports/1/hw_counters/%s",
170 xstats_ctrl->info[i].ctr_name);
172 file = fopen(path, "rb");
174 int n = fscanf(file, "%" SCNu64, &stats[i]);
181 stats[i] = (uint64_t)
182 et_stats->data[xstats_ctrl->dev_table_idx[i]];
189 * Query the number of statistics provided by ETHTOOL.
192 * Pointer to Ethernet device.
195 * Number of statistics on success, negative errno value otherwise and
199 mlx5_ethtool_get_stats_n(struct rte_eth_dev *dev) {
200 struct ethtool_drvinfo drvinfo;
204 drvinfo.cmd = ETHTOOL_GDRVINFO;
205 ifr.ifr_data = (caddr_t)&drvinfo;
206 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
208 DRV_LOG(WARNING, "port %u unable to query number of statistics",
212 return drvinfo.n_stats;
216 * Init the structures to read device counters.
219 * Pointer to Ethernet device.
222 mlx5_xstats_init(struct rte_eth_dev *dev)
224 struct priv *priv = dev->data->dev_private;
225 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
229 struct ethtool_gstrings *strings = NULL;
230 unsigned int dev_stats_n;
234 /* So that it won't aggregate for each init. */
235 xstats_ctrl->mlx5_stats_n = 0;
236 ret = mlx5_ethtool_get_stats_n(dev);
238 DRV_LOG(WARNING, "port %u no extended statistics available",
243 /* Allocate memory to grab stat names and values. */
244 str_sz = dev_stats_n * ETH_GSTRING_LEN;
245 strings = (struct ethtool_gstrings *)
246 rte_malloc("xstats_strings",
247 str_sz + sizeof(struct ethtool_gstrings), 0);
249 DRV_LOG(WARNING, "port %u unable to allocate memory for xstats",
253 strings->cmd = ETHTOOL_GSTRINGS;
254 strings->string_set = ETH_SS_STATS;
255 strings->len = dev_stats_n;
256 ifr.ifr_data = (caddr_t)strings;
257 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
259 DRV_LOG(WARNING, "port %u unable to get statistic names",
263 for (i = 0; i != dev_stats_n; ++i) {
264 const char *curr_string = (const char *)
265 &strings->data[i * ETH_GSTRING_LEN];
267 for (j = 0; j != xstats_n; ++j) {
268 if (!strcmp(mlx5_counters_init[j].ctr_name,
270 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
272 xstats_ctrl->dev_table_idx[idx] = i;
273 xstats_ctrl->info[idx] = mlx5_counters_init[j];
278 /* Add IB counters. */
279 for (i = 0; i != xstats_n; ++i) {
280 if (mlx5_counters_init[i].ib) {
281 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
283 xstats_ctrl->info[idx] = mlx5_counters_init[i];
286 assert(xstats_ctrl->mlx5_stats_n <= MLX5_MAX_XSTATS);
287 xstats_ctrl->stats_n = dev_stats_n;
288 /* Copy to base at first time. */
289 ret = mlx5_read_dev_counters(dev, xstats_ctrl->base);
291 DRV_LOG(ERR, "port %u cannot read device counters: %s",
292 dev->data->port_id, strerror(rte_errno));
298 * DPDK callback to get extended device statistics.
301 * Pointer to Ethernet device.
303 * Pointer to rte extended stats table.
305 * The size of the stats table.
308 * Number of extended stats on success and stats is filled,
309 * negative on error and rte_errno is set.
312 mlx5_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats,
315 struct priv *priv = dev->data->dev_private;
317 uint64_t counters[n];
318 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
319 uint16_t mlx5_stats_n = xstats_ctrl->mlx5_stats_n;
321 if (n >= mlx5_stats_n && stats) {
325 stats_n = mlx5_ethtool_get_stats_n(dev);
328 if (xstats_ctrl->stats_n != stats_n)
329 mlx5_xstats_init(dev);
330 ret = mlx5_read_dev_counters(dev, counters);
333 for (i = 0; i != mlx5_stats_n; ++i) {
335 stats[i].value = (counters[i] - xstats_ctrl->base[i]);
342 * DPDK callback to get device statistics.
345 * Pointer to Ethernet device structure.
347 * Stats structure output buffer.
350 * 0 on success and stats is filled, negative errno value otherwise and
354 mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
356 struct priv *priv = dev->data->dev_private;
357 struct rte_eth_stats tmp = {0};
361 /* Add software counters. */
362 for (i = 0; (i != priv->rxqs_n); ++i) {
363 struct mlx5_rxq_data *rxq = (*priv->rxqs)[i];
367 idx = rxq->stats.idx;
368 if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
369 #ifdef MLX5_PMD_SOFT_COUNTERS
370 tmp.q_ipackets[idx] += rxq->stats.ipackets;
371 tmp.q_ibytes[idx] += rxq->stats.ibytes;
373 tmp.q_errors[idx] += (rxq->stats.idropped +
374 rxq->stats.rx_nombuf);
376 #ifdef MLX5_PMD_SOFT_COUNTERS
377 tmp.ipackets += rxq->stats.ipackets;
378 tmp.ibytes += rxq->stats.ibytes;
380 tmp.ierrors += rxq->stats.idropped;
381 tmp.rx_nombuf += rxq->stats.rx_nombuf;
383 for (i = 0; (i != priv->txqs_n); ++i) {
384 struct mlx5_txq_data *txq = (*priv->txqs)[i];
388 idx = txq->stats.idx;
389 if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
390 #ifdef MLX5_PMD_SOFT_COUNTERS
391 tmp.q_opackets[idx] += txq->stats.opackets;
392 tmp.q_obytes[idx] += txq->stats.obytes;
394 tmp.q_errors[idx] += txq->stats.oerrors;
396 #ifdef MLX5_PMD_SOFT_COUNTERS
397 tmp.opackets += txq->stats.opackets;
398 tmp.obytes += txq->stats.obytes;
400 tmp.oerrors += txq->stats.oerrors;
402 #ifndef MLX5_PMD_SOFT_COUNTERS
403 /* FIXME: retrieve and add hardware counters. */
410 * DPDK callback to clear device statistics.
413 * Pointer to Ethernet device structure.
416 mlx5_stats_reset(struct rte_eth_dev *dev)
418 struct priv *priv = dev->data->dev_private;
422 for (i = 0; (i != priv->rxqs_n); ++i) {
423 if ((*priv->rxqs)[i] == NULL)
425 idx = (*priv->rxqs)[i]->stats.idx;
426 (*priv->rxqs)[i]->stats =
427 (struct mlx5_rxq_stats){ .idx = idx };
429 for (i = 0; (i != priv->txqs_n); ++i) {
430 if ((*priv->txqs)[i] == NULL)
432 idx = (*priv->txqs)[i]->stats.idx;
433 (*priv->txqs)[i]->stats =
434 (struct mlx5_txq_stats){ .idx = idx };
436 #ifndef MLX5_PMD_SOFT_COUNTERS
437 /* FIXME: reset hardware counters. */
442 * DPDK callback to clear device extended statistics.
445 * Pointer to Ethernet device structure.
448 mlx5_xstats_reset(struct rte_eth_dev *dev)
450 struct priv *priv = dev->data->dev_private;
451 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
454 unsigned int n = xstats_ctrl->mlx5_stats_n;
455 uint64_t counters[n];
458 stats_n = mlx5_ethtool_get_stats_n(dev);
460 DRV_LOG(ERR, "port %u cannot get stats: %s", dev->data->port_id,
464 if (xstats_ctrl->stats_n != stats_n)
465 mlx5_xstats_init(dev);
466 ret = mlx5_read_dev_counters(dev, counters);
468 DRV_LOG(ERR, "port %u cannot read device counters: %s",
469 dev->data->port_id, strerror(rte_errno));
472 for (i = 0; i != n; ++i)
473 xstats_ctrl->base[i] = counters[i];
477 * DPDK callback to retrieve names of extended device statistics
480 * Pointer to Ethernet device structure.
481 * @param[out] xstats_names
482 * Buffer to insert names into.
487 * Number of xstats names.
490 mlx5_xstats_get_names(struct rte_eth_dev *dev __rte_unused,
491 struct rte_eth_xstat_name *xstats_names, unsigned int n)
494 struct priv *priv = dev->data->dev_private;
495 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
496 unsigned int mlx5_xstats_n = xstats_ctrl->mlx5_stats_n;
498 if (n >= mlx5_xstats_n && xstats_names) {
499 for (i = 0; i != mlx5_xstats_n; ++i) {
500 strncpy(xstats_names[i].name,
501 xstats_ctrl->info[i].dpdk_name,
502 RTE_ETH_XSTATS_NAME_SIZE);
503 xstats_names[i].name[RTE_ETH_XSTATS_NAME_SIZE - 1] = 0;
506 return mlx5_xstats_n;