net/enic: allow to change RSS settings

[dpdk.git] / drivers / net / mlx5 / mlx5_stats.c

diff --git a/drivers/net/mlx5/mlx5_stats.c b/drivers/net/mlx5/mlx5_stats.c
index 4cb6136..eb9c65d 100644 (file)
--- a/drivers/net/mlx5/mlx5_stats.c
+++ b/drivers/net/mlx5/mlx5_stats.c
@@ -1,40 +1,15 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright 2015 6WIND S.A.
- *   Copyright 2015 Mellanox.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of 6WIND S.A. nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2015 6WIND S.A.
+ * Copyright 2015 Mellanox.
  */
 
+#include <inttypes.h>
 #include <linux/sockios.h>
 #include <linux/ethtool.h>
+#include <stdint.h>
+#include <stdio.h>
 
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 #include <rte_common.h>
 #include <rte_malloc.h>
 
@@ -47,6 +22,7 @@ struct mlx5_counter_ctrl {
        char dpdk_name[RTE_ETH_XSTATS_NAME_SIZE];
        /* Name of the counter on the device table. */
        char ctr_name[RTE_ETH_XSTATS_NAME_SIZE];
+       uint32_t ib:1; /**< Nonzero for IB counters. */
 };
 
 static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
@@ -121,6 +97,7 @@ static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
        {
                .dpdk_name = "rx_out_of_buffer",
                .ctr_name = "out_of_buffer",
+               .ib = 1,
        },
        {
                .dpdk_name = "tx_packets_phy",
@@ -171,13 +148,24 @@ priv_read_dev_counters(struct priv *priv, uint64_t *stats)
                return -1;
        }
        for (i = 0; i != xstats_n; ++i) {
-               if (priv_is_ib_cntr(mlx5_counters_init[i].ctr_name))
-                       priv_get_cntr_sysfs(priv,
-                                           mlx5_counters_init[i].ctr_name,
-                                           &stats[i]);
-               else
+               if (mlx5_counters_init[i].ib) {
+                       FILE *file;
+                       MKSTR(path, "%s/ports/1/hw_counters/%s",
+                             priv->ibdev_path,
+                             mlx5_counters_init[i].ctr_name);
+
+                       file = fopen(path, "rb");
+                       if (file) {
+                               int n = fscanf(file, "%" SCNu64, &stats[i]);
+
+                               fclose(file);
+                               if (n != 1)
+                                       stats[i] = 0;
+                       }
+               } else {
                        stats[i] = (uint64_t)
                                et_stats->data[xstats_ctrl->dev_table_idx[i]];
+               }
        }
        return 0;
 }
@@ -260,7 +248,7 @@ priv_xstats_init(struct priv *priv)
                }
        }
        for (j = 0; j != xstats_n; ++j) {
-               if (priv_is_ib_cntr(mlx5_counters_init[j].ctr_name))
+               if (mlx5_counters_init[j].ib)
                        continue;
                if (xstats_ctrl->dev_table_idx[j] >= dev_stats_n) {
                        WARN("counter \"%s\" is not recognized",