X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_rss.c;h=b95778a8c1b208caa142d341f844869a3a8212a9;hb=8dfe55a29d7296655b1ac622181ce196ab9fcdc5;hp=5ac65016358c0d06e19551a0ec95203ac2f90800;hpb=a6d83b6a9209a198fa5a7d2f9cbb37190e256f9c;p=dpdk.git

diff --git a/drivers/net/mlx5/mlx5_rss.c b/drivers/net/mlx5/mlx5_rss.c
index 5ac6501635..b95778a8c1 100644
--- 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;
 }