net/mlx5: fix RSS hash result for flows

Flows redirected to a specific queue do not have a valid RSS hash result
and the related mbuf flag must not be set.

Fixes: ecf60761fc2a ("net/mlx5: return RSS hash result in mbuf")

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>

diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 63146ac..a0092b1 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -1338,7 +1338,7 @@ mlx5_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
                        /* Update packet information. */
                        pkt->packet_type = 0;
                        pkt->ol_flags = 0;
-                       if (rxq->rss_hash) {
+                       if (rss_hash_res && rxq->rss_hash) {
                                pkt->hash.rss = rss_hash_res;
                                pkt->ol_flags = PKT_RX_RSS_HASH;
                        }