net/mlx5: fix adjust priority for drop queue

Drop queue should also adjust their priority according the most specific
layer in the pattern they are matching to avoid dropping all the
traffic.

Fixes: 8086cf08b2f0 ("net/mlx5: handle RSS hash configuration in RSS flow")
Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 26cf593af16cfd646ab5712fe3903b93bca8e221..f392f1f657143c7b547e5910622f0c6adaaa156f 100644 (file)
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -1174,9 +1174,17 @@ priv_flow_convert(struct priv *priv,
         * Last step. Complete missing specification to reach the RSS
         * configuration.
         */
-       if (parser->queues_n > 1) {
+       if (parser->drop) {
+               /*
+                * Drop queue priority needs to be adjusted to
+                * their most specific layer priority.
+                */
+               parser->drop_q.ibv_attr->priority =
+                       attr->priority +
+                       hash_rxq_init[parser->layer].flow_priority;
+       } else if (parser->queues_n > 1) {
                priv_flow_convert_finalise(priv, parser);
-       } else if (!parser->drop) {
+       } else {
                /*
                 * Action queue have their priority overridden with
                 * Ethernet priority, this priority needs to be adjusted to