RSS action with only one destination queue and no specific settings
for hash types and key does not require dedicated RSS context and
may be simplified to QUEUE action.
Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com>
Reviewed-by: Roman Zhukov <roman.zhu...@oktetlabs.ru>
---
drivers/net/sfc/sfc_flow.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/net/sfc/sfc_flow.c b/drivers/net/sfc/sfc_flow.c
index 41b5987b2..b7e54d77f 100644
--- 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;
--
2.14.1
