net/mlx5: support default RSS key as null

[dpdk.git] / drivers / net / mlx5 / mlx5_flow_verbs.c

diff --git a/drivers/net/mlx5/mlx5_flow_verbs.c b/drivers/net/mlx5/mlx5_flow_verbs.c
index 2e506b9..54ac620 100644 (file)
--- a/drivers/net/mlx5/mlx5_flow_verbs.c
+++ b/drivers/net/mlx5/mlx5_flow_verbs.c
@@ -925,14 +925,18 @@ flow_verbs_translate_action_rss(const struct rte_flow_action *action,
                                struct mlx5_flow *dev_flow)
 {
        const struct rte_flow_action_rss *rss = action->conf;
+       const uint8_t *rss_key;
        struct rte_flow *flow = dev_flow->flow;
 
        if (flow->queue)
                memcpy((*flow->queue), rss->queue,
                       rss->queue_num * sizeof(uint16_t));
        flow->rss.queue_num = rss->queue_num;
-       memcpy(flow->key, rss->key, MLX5_RSS_HASH_KEY_LEN);
-       flow->rss.types = rss->types;
+       /* NULL RSS key indicates default RSS key. */
+       rss_key = !rss->key ? rss_hash_default_key : rss->key;
+       memcpy(flow->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
+       /* RSS type 0 indicates default RSS type (ETH_RSS_IP). */
+       flow->rss.types = !rss->types ? ETH_RSS_IP : rss->types;
        flow->rss.level = rss->level;
        *action_flags |= MLX5_FLOW_ACTION_RSS;
 }