net/sfc: do not use RSS context if it is not required

[dpdk.git] / drivers / net / sfc / sfc_flow.c

diff --git a/drivers/net/sfc/sfc_flow.c b/drivers/net/sfc/sfc_flow.c
index 41b5987..b7e54d7 100644 (file)
--- a/drivers/net/sfc/sfc_flow.c
+++ b/drivers/net/sfc/sfc_flow.c
@@ -1295,6 +1295,17 @@ sfc_flow_parse_rss(struct sfc_adapter *sa,
        if (action_rss->level)
                return -EINVAL;
 
+       /*
+        * Dummy RSS action with only one queue and no specific settings
+        * for hash types and key does not require dedicated RSS context
+        * and may be simplified to single queue action.
+        */
+       if (action_rss->queue_num == 1 && action_rss->types == 0 &&
+           action_rss->key_len == 0) {
+               flow->spec.template.efs_dmaq_id = rxq_hw_index_min;
+               return 0;
+       }
+
        if (action_rss->types) {
                int rc;