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5 * Copyright 2015 Mellanox.
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34 #include <linux/sockios.h>
35 #include <linux/ethtool.h>
37 #include <rte_ethdev_driver.h>
38 #include <rte_common.h>
39 #include <rte_malloc.h>
42 #include "mlx5_rxtx.h"
43 #include "mlx5_defs.h"
45 struct mlx5_counter_ctrl {
46 /* Name of the counter. */
47 char dpdk_name[RTE_ETH_XSTATS_NAME_SIZE];
48 /* Name of the counter on the device table. */
49 char ctr_name[RTE_ETH_XSTATS_NAME_SIZE];
52 static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
54 .dpdk_name = "rx_port_unicast_bytes",
55 .ctr_name = "rx_vport_unicast_bytes",
58 .dpdk_name = "rx_port_multicast_bytes",
59 .ctr_name = "rx_vport_multicast_bytes",
62 .dpdk_name = "rx_port_broadcast_bytes",
63 .ctr_name = "rx_vport_broadcast_bytes",
66 .dpdk_name = "rx_port_unicast_packets",
67 .ctr_name = "rx_vport_unicast_packets",
70 .dpdk_name = "rx_port_multicast_packets",
71 .ctr_name = "rx_vport_multicast_packets",
74 .dpdk_name = "rx_port_broadcast_packets",
75 .ctr_name = "rx_vport_broadcast_packets",
78 .dpdk_name = "tx_port_unicast_bytes",
79 .ctr_name = "tx_vport_unicast_bytes",
82 .dpdk_name = "tx_port_multicast_bytes",
83 .ctr_name = "tx_vport_multicast_bytes",
86 .dpdk_name = "tx_port_broadcast_bytes",
87 .ctr_name = "tx_vport_broadcast_bytes",
90 .dpdk_name = "tx_port_unicast_packets",
91 .ctr_name = "tx_vport_unicast_packets",
94 .dpdk_name = "tx_port_multicast_packets",
95 .ctr_name = "tx_vport_multicast_packets",
98 .dpdk_name = "tx_port_broadcast_packets",
99 .ctr_name = "tx_vport_broadcast_packets",
102 .dpdk_name = "rx_wqe_err",
103 .ctr_name = "rx_wqe_err",
106 .dpdk_name = "rx_crc_errors_phy",
107 .ctr_name = "rx_crc_errors_phy",
110 .dpdk_name = "rx_in_range_len_errors_phy",
111 .ctr_name = "rx_in_range_len_errors_phy",
114 .dpdk_name = "rx_symbol_err_phy",
115 .ctr_name = "rx_symbol_err_phy",
118 .dpdk_name = "tx_errors_phy",
119 .ctr_name = "tx_errors_phy",
122 .dpdk_name = "rx_out_of_buffer",
123 .ctr_name = "out_of_buffer",
126 .dpdk_name = "tx_packets_phy",
127 .ctr_name = "tx_packets_phy",
130 .dpdk_name = "rx_packets_phy",
131 .ctr_name = "rx_packets_phy",
134 .dpdk_name = "tx_bytes_phy",
135 .ctr_name = "tx_bytes_phy",
138 .dpdk_name = "rx_bytes_phy",
139 .ctr_name = "rx_bytes_phy",
143 static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
146 * Read device counters table.
149 * Pointer to private structure.
151 * Counters table output buffer.
154 * 0 on success and stats is filled, negative on error.
157 priv_read_dev_counters(struct priv *priv, uint64_t *stats)
159 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
162 unsigned int stats_sz = xstats_ctrl->stats_n * sizeof(uint64_t);
163 unsigned char et_stat_buf[sizeof(struct ethtool_stats) + stats_sz];
164 struct ethtool_stats *et_stats = (struct ethtool_stats *)et_stat_buf;
166 et_stats->cmd = ETHTOOL_GSTATS;
167 et_stats->n_stats = xstats_ctrl->stats_n;
168 ifr.ifr_data = (caddr_t)et_stats;
169 if (priv_ifreq(priv, SIOCETHTOOL, &ifr) != 0) {
170 WARN("unable to read statistic values from device");
173 for (i = 0; i != xstats_n; ++i) {
174 if (priv_is_ib_cntr(mlx5_counters_init[i].ctr_name))
175 priv_get_cntr_sysfs(priv,
176 mlx5_counters_init[i].ctr_name,
179 stats[i] = (uint64_t)
180 et_stats->data[xstats_ctrl->dev_table_idx[i]];
186 * Query the number of statistics provided by ETHTOOL.
189 * Pointer to private structure.
192 * Number of statistics on success, -1 on error.
195 priv_ethtool_get_stats_n(struct priv *priv) {
196 struct ethtool_drvinfo drvinfo;
199 drvinfo.cmd = ETHTOOL_GDRVINFO;
200 ifr.ifr_data = (caddr_t)&drvinfo;
201 if (priv_ifreq(priv, SIOCETHTOOL, &ifr) != 0) {
202 WARN("unable to query number of statistics");
205 return drvinfo.n_stats;
209 * Init the structures to read device counters.
212 * Pointer to private structure.
215 priv_xstats_init(struct priv *priv)
217 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
221 struct ethtool_gstrings *strings = NULL;
222 unsigned int dev_stats_n;
225 dev_stats_n = priv_ethtool_get_stats_n(priv);
226 if (dev_stats_n < 1) {
227 WARN("no extended statistics available");
230 xstats_ctrl->stats_n = dev_stats_n;
231 /* Allocate memory to grab stat names and values. */
232 str_sz = dev_stats_n * ETH_GSTRING_LEN;
233 strings = (struct ethtool_gstrings *)
234 rte_malloc("xstats_strings",
235 str_sz + sizeof(struct ethtool_gstrings), 0);
237 WARN("unable to allocate memory for xstats");
240 strings->cmd = ETHTOOL_GSTRINGS;
241 strings->string_set = ETH_SS_STATS;
242 strings->len = dev_stats_n;
243 ifr.ifr_data = (caddr_t)strings;
244 if (priv_ifreq(priv, SIOCETHTOOL, &ifr) != 0) {
245 WARN("unable to get statistic names");
248 for (j = 0; j != xstats_n; ++j)
249 xstats_ctrl->dev_table_idx[j] = dev_stats_n;
250 for (i = 0; i != dev_stats_n; ++i) {
251 const char *curr_string = (const char *)
252 &strings->data[i * ETH_GSTRING_LEN];
254 for (j = 0; j != xstats_n; ++j) {
255 if (!strcmp(mlx5_counters_init[j].ctr_name,
257 xstats_ctrl->dev_table_idx[j] = i;
262 for (j = 0; j != xstats_n; ++j) {
263 if (priv_is_ib_cntr(mlx5_counters_init[j].ctr_name))
265 if (xstats_ctrl->dev_table_idx[j] >= dev_stats_n) {
266 WARN("counter \"%s\" is not recognized",
267 mlx5_counters_init[j].dpdk_name);
271 /* Copy to base at first time. */
272 assert(xstats_n <= MLX5_MAX_XSTATS);
273 priv_read_dev_counters(priv, xstats_ctrl->base);
279 * Get device extended statistics.
282 * Pointer to private structure.
284 * Pointer to rte extended stats table.
287 * Number of extended stats on success and stats is filled,
291 priv_xstats_get(struct priv *priv, struct rte_eth_xstat *stats)
293 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
295 unsigned int n = xstats_n;
296 uint64_t counters[n];
298 if (priv_read_dev_counters(priv, counters) < 0)
300 for (i = 0; i != xstats_n; ++i) {
302 stats[i].value = (counters[i] - xstats_ctrl->base[i]);
308 * Reset device extended statistics.
311 * Pointer to private structure.
314 priv_xstats_reset(struct priv *priv)
316 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
318 unsigned int n = xstats_n;
319 uint64_t counters[n];
321 if (priv_read_dev_counters(priv, counters) < 0)
323 for (i = 0; i != n; ++i)
324 xstats_ctrl->base[i] = counters[i];
328 * DPDK callback to get device statistics.
331 * Pointer to Ethernet device structure.
333 * Stats structure output buffer.
336 mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
338 struct priv *priv = dev->data->dev_private;
339 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. */
394 * DPDK callback to clear device statistics.
397 * Pointer to Ethernet device structure.
400 mlx5_stats_reset(struct rte_eth_dev *dev)
402 struct priv *priv = dev->data->dev_private;
407 for (i = 0; (i != priv->rxqs_n); ++i) {
408 if ((*priv->rxqs)[i] == NULL)
410 idx = (*priv->rxqs)[i]->stats.idx;
411 (*priv->rxqs)[i]->stats =
412 (struct mlx5_rxq_stats){ .idx = idx };
414 for (i = 0; (i != priv->txqs_n); ++i) {
415 if ((*priv->txqs)[i] == NULL)
417 idx = (*priv->txqs)[i]->stats.idx;
418 (*priv->txqs)[i]->stats =
419 (struct mlx5_txq_stats){ .idx = idx };
421 #ifndef MLX5_PMD_SOFT_COUNTERS
422 /* FIXME: reset hardware counters. */
428 * DPDK callback to get extended device statistics.
431 * Pointer to Ethernet device structure.
433 * Stats table output buffer.
435 * The size of the stats table.
438 * Number of xstats on success, negative on failure.
441 mlx5_xstats_get(struct rte_eth_dev *dev,
442 struct rte_eth_xstat *stats, unsigned int n)
444 struct priv *priv = dev->data->dev_private;
447 if (n >= xstats_n && stats) {
448 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
452 stats_n = priv_ethtool_get_stats_n(priv);
457 if (xstats_ctrl->stats_n != stats_n)
458 priv_xstats_init(priv);
459 ret = priv_xstats_get(priv, stats);
466 * DPDK callback to clear device extended statistics.
469 * Pointer to Ethernet device structure.
472 mlx5_xstats_reset(struct rte_eth_dev *dev)
474 struct priv *priv = dev->data->dev_private;
475 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
479 stats_n = priv_ethtool_get_stats_n(priv);
482 if (xstats_ctrl->stats_n != stats_n)
483 priv_xstats_init(priv);
484 priv_xstats_reset(priv);
490 * DPDK callback to retrieve names of extended device statistics
493 * Pointer to Ethernet device structure.
494 * @param[out] xstats_names
495 * Buffer to insert names into.
500 * Number of xstats names.
503 mlx5_xstats_get_names(struct rte_eth_dev *dev,
504 struct rte_eth_xstat_name *xstats_names, unsigned int n)
506 struct priv *priv = dev->data->dev_private;
509 if (n >= xstats_n && xstats_names) {
511 for (i = 0; i != xstats_n; ++i) {
512 strncpy(xstats_names[i].name,
513 mlx5_counters_init[i].dpdk_name,
514 RTE_ETH_XSTATS_NAME_SIZE);
515 xstats_names[i].name[RTE_ETH_XSTATS_NAME_SIZE - 1] = 0;