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",
112 static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
115 * Read device counters table.
118 * Pointer to Ethernet device.
120 * Counters table output buffer.
123 * 0 on success and stats is filled, negative errno value otherwise and
127 mlx5_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats)
129 struct priv *priv = dev->data->dev_private;
130 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
133 unsigned int stats_sz = xstats_ctrl->stats_n * sizeof(uint64_t);
134 unsigned char et_stat_buf[sizeof(struct ethtool_stats) + stats_sz];
135 struct ethtool_stats *et_stats = (struct ethtool_stats *)et_stat_buf;
138 et_stats->cmd = ETHTOOL_GSTATS;
139 et_stats->n_stats = xstats_ctrl->stats_n;
140 ifr.ifr_data = (caddr_t)et_stats;
141 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr, 0);
144 "port %u unable to read statistic values from device",
148 for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) {
149 if (xstats_ctrl->info[i].ib) {
151 MKSTR(path, "%s/ports/1/hw_counters/%s",
153 xstats_ctrl->info[i].ctr_name);
155 file = fopen(path, "rb");
157 int n = fscanf(file, "%" SCNu64, &stats[i]);
164 stats[i] = (uint64_t)
165 et_stats->data[xstats_ctrl->dev_table_idx[i]];
172 * Query the number of statistics provided by ETHTOOL.
175 * Pointer to Ethernet device.
178 * Number of statistics on success, negative errno value otherwise and
182 mlx5_ethtool_get_stats_n(struct rte_eth_dev *dev) {
183 struct ethtool_drvinfo drvinfo;
187 drvinfo.cmd = ETHTOOL_GDRVINFO;
188 ifr.ifr_data = (caddr_t)&drvinfo;
189 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr, 0);
191 DRV_LOG(WARNING, "port %u unable to query number of statistics",
195 return drvinfo.n_stats;
199 * Init the structures to read device counters.
202 * Pointer to Ethernet device.
205 mlx5_xstats_init(struct rte_eth_dev *dev)
207 struct priv *priv = dev->data->dev_private;
208 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
212 struct ethtool_gstrings *strings = NULL;
213 unsigned int dev_stats_n;
217 /* So that it won't aggregate for each init. */
218 xstats_ctrl->mlx5_stats_n = 0;
219 ret = mlx5_ethtool_get_stats_n(dev);
221 DRV_LOG(WARNING, "port %u no extended statistics available",
226 /* Allocate memory to grab stat names and values. */
227 str_sz = dev_stats_n * ETH_GSTRING_LEN;
228 strings = (struct ethtool_gstrings *)
229 rte_malloc("xstats_strings",
230 str_sz + sizeof(struct ethtool_gstrings), 0);
232 DRV_LOG(WARNING, "port %u unable to allocate memory for xstats",
236 strings->cmd = ETHTOOL_GSTRINGS;
237 strings->string_set = ETH_SS_STATS;
238 strings->len = dev_stats_n;
239 ifr.ifr_data = (caddr_t)strings;
240 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr, 0);
242 DRV_LOG(WARNING, "port %u unable to get statistic names",
246 for (i = 0; i != dev_stats_n; ++i) {
247 const char *curr_string = (const char *)
248 &strings->data[i * ETH_GSTRING_LEN];
250 for (j = 0; j != xstats_n; ++j) {
251 if (!strcmp(mlx5_counters_init[j].ctr_name,
253 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
255 xstats_ctrl->dev_table_idx[idx] = i;
256 xstats_ctrl->info[idx] = mlx5_counters_init[j];
261 /* Add IB counters. */
262 for (i = 0; i != xstats_n; ++i) {
263 if (mlx5_counters_init[i].ib) {
264 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
266 xstats_ctrl->info[idx] = mlx5_counters_init[i];
269 assert(xstats_ctrl->mlx5_stats_n <= MLX5_MAX_XSTATS);
270 xstats_ctrl->stats_n = dev_stats_n;
271 /* Copy to base at first time. */
272 ret = mlx5_read_dev_counters(dev, xstats_ctrl->base);
274 DRV_LOG(ERR, "port %u cannot read device counters: %s",
275 dev->data->port_id, strerror(rte_errno));
281 * DPDK callback to get extended device statistics.
284 * Pointer to Ethernet device.
286 * Pointer to rte extended stats table.
288 * The size of the stats table.
291 * Number of extended stats on success and stats is filled,
292 * negative on error and rte_errno is set.
295 mlx5_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats,
298 struct priv *priv = dev->data->dev_private;
300 uint64_t counters[n];
301 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
302 uint16_t mlx5_stats_n = xstats_ctrl->mlx5_stats_n;
304 if (n >= mlx5_stats_n && stats) {
308 stats_n = mlx5_ethtool_get_stats_n(dev);
311 if (xstats_ctrl->stats_n != stats_n)
312 mlx5_xstats_init(dev);
313 ret = mlx5_read_dev_counters(dev, counters);
316 for (i = 0; i != mlx5_stats_n; ++i) {
318 stats[i].value = (counters[i] - xstats_ctrl->base[i]);
325 * DPDK callback to get device statistics.
328 * Pointer to Ethernet device structure.
330 * Stats structure output buffer.
333 * 0 on success and stats is filled, negative errno value otherwise and
337 mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
339 struct priv *priv = dev->data->dev_private;
340 struct rte_eth_stats tmp = {0};
344 /* Add software counters. */
345 for (i = 0; (i != priv->rxqs_n); ++i) {
346 struct mlx5_rxq_data *rxq = (*priv->rxqs)[i];
350 idx = rxq->stats.idx;
351 if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
352 #ifdef MLX5_PMD_SOFT_COUNTERS
353 tmp.q_ipackets[idx] += rxq->stats.ipackets;
354 tmp.q_ibytes[idx] += rxq->stats.ibytes;
356 tmp.q_errors[idx] += (rxq->stats.idropped +
357 rxq->stats.rx_nombuf);
359 #ifdef MLX5_PMD_SOFT_COUNTERS
360 tmp.ipackets += rxq->stats.ipackets;
361 tmp.ibytes += rxq->stats.ibytes;
363 tmp.ierrors += rxq->stats.idropped;
364 tmp.rx_nombuf += rxq->stats.rx_nombuf;
366 for (i = 0; (i != priv->txqs_n); ++i) {
367 struct mlx5_txq_data *txq = (*priv->txqs)[i];
371 idx = txq->stats.idx;
372 if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
373 #ifdef MLX5_PMD_SOFT_COUNTERS
374 tmp.q_opackets[idx] += txq->stats.opackets;
375 tmp.q_obytes[idx] += txq->stats.obytes;
377 tmp.q_errors[idx] += txq->stats.oerrors;
379 #ifdef MLX5_PMD_SOFT_COUNTERS
380 tmp.opackets += txq->stats.opackets;
381 tmp.obytes += txq->stats.obytes;
383 tmp.oerrors += txq->stats.oerrors;
385 #ifndef MLX5_PMD_SOFT_COUNTERS
386 /* FIXME: retrieve and add hardware counters. */
393 * DPDK callback to clear device statistics.
396 * Pointer to Ethernet device structure.
399 mlx5_stats_reset(struct rte_eth_dev *dev)
401 struct priv *priv = dev->data->dev_private;
405 for (i = 0; (i != priv->rxqs_n); ++i) {
406 if ((*priv->rxqs)[i] == NULL)
408 idx = (*priv->rxqs)[i]->stats.idx;
409 (*priv->rxqs)[i]->stats =
410 (struct mlx5_rxq_stats){ .idx = idx };
412 for (i = 0; (i != priv->txqs_n); ++i) {
413 if ((*priv->txqs)[i] == NULL)
415 idx = (*priv->txqs)[i]->stats.idx;
416 (*priv->txqs)[i]->stats =
417 (struct mlx5_txq_stats){ .idx = idx };
419 #ifndef MLX5_PMD_SOFT_COUNTERS
420 /* FIXME: reset hardware counters. */
425 * DPDK callback to clear device extended statistics.
428 * Pointer to Ethernet device structure.
431 mlx5_xstats_reset(struct rte_eth_dev *dev)
433 struct priv *priv = dev->data->dev_private;
434 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
437 unsigned int n = xstats_ctrl->mlx5_stats_n;
438 uint64_t counters[n];
441 stats_n = mlx5_ethtool_get_stats_n(dev);
443 DRV_LOG(ERR, "port %u cannot get stats: %s", dev->data->port_id,
447 if (xstats_ctrl->stats_n != stats_n)
448 mlx5_xstats_init(dev);
449 ret = mlx5_read_dev_counters(dev, counters);
451 DRV_LOG(ERR, "port %u cannot read device counters: %s",
452 dev->data->port_id, strerror(rte_errno));
455 for (i = 0; i != n; ++i)
456 xstats_ctrl->base[i] = counters[i];
460 * DPDK callback to retrieve names of extended device statistics
463 * Pointer to Ethernet device structure.
464 * @param[out] xstats_names
465 * Buffer to insert names into.
470 * Number of xstats names.
473 mlx5_xstats_get_names(struct rte_eth_dev *dev __rte_unused,
474 struct rte_eth_xstat_name *xstats_names, unsigned int n)
477 struct priv *priv = dev->data->dev_private;
478 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
479 unsigned int mlx5_xstats_n = xstats_ctrl->mlx5_stats_n;
481 if (n >= mlx5_xstats_n && xstats_names) {
482 for (i = 0; i != mlx5_xstats_n; ++i) {
483 strncpy(xstats_names[i].name,
484 xstats_ctrl->info[i].dpdk_name,
485 RTE_ETH_XSTATS_NAME_SIZE);
486 xstats_names[i].name[RTE_ETH_XSTATS_NAME_SIZE - 1] = 0;
489 return mlx5_xstats_n;