net/mlx5: add flow translate function

[dpdk.git] / drivers / net / mlx5 / mlx5_rss.c

diff --git a/drivers/net/mlx5/mlx5_rss.c b/drivers/net/mlx5/mlx5_rss.c
index 5ac6501..b95778a 100644 (file)
--- a/drivers/net/mlx5/mlx5_rss.c
+++ b/drivers/net/mlx5/mlx5_rss.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright 2015 6WIND S.A.
- * Copyright 2015 Mellanox.
+ * Copyright 2015 Mellanox Technologies, Ltd
  */
 
 #include <stddef.h>
@@ -42,12 +42,22 @@ mlx5_rss_hash_update(struct rte_eth_dev *dev,
                     struct rte_eth_rss_conf *rss_conf)
 {
        struct priv *priv = dev->data->dev_private;
+       unsigned int i;
+       unsigned int idx;
 
        if (rss_conf->rss_hf & MLX5_RSS_HF_MASK) {
                rte_errno = EINVAL;
                return -rte_errno;
        }
        if (rss_conf->rss_key && rss_conf->rss_key_len) {
+               if (rss_conf->rss_key_len != MLX5_RSS_HASH_KEY_LEN) {
+                       DRV_LOG(ERR,
+                               "port %u RSS key len must be %s Bytes long",
+                               dev->data->port_id,
+                               RTE_STR(MLX5_RSS_HASH_KEY_LEN));
+                       rte_errno = EINVAL;
+                       return -rte_errno;
+               }
                priv->rss_conf.rss_key = rte_realloc(priv->rss_conf.rss_key,
                                                     rss_conf->rss_key_len, 0);
                if (!priv->rss_conf.rss_key) {
@@ -59,6 +69,14 @@ mlx5_rss_hash_update(struct rte_eth_dev *dev,
                priv->rss_conf.rss_key_len = rss_conf->rss_key_len;
        }
        priv->rss_conf.rss_hf = rss_conf->rss_hf;
+       /* Enable the RSS hash in all Rx queues. */
+       for (i = 0, idx = 0; idx != priv->rxqs_n; ++i) {
+               if (!(*priv->rxqs)[i])
+                       continue;
+               (*priv->rxqs)[i]->rss_hash = !!rss_conf->rss_hf &&
+                       !!(dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS);
+               ++idx;
+       }
        return 0;
 }