ethdev: clarify RSS action in flow API

[dpdk.git] / lib / librte_ether / rte_flow.h

diff --git a/lib/librte_ether/rte_flow.h b/lib/librte_ether/rte_flow.h
index c2b9fc5..59dc1ef 100644 (file)
--- a/lib/librte_ether/rte_flow.h
+++ b/lib/librte_ether/rte_flow.h
@@ -696,11 +696,9 @@ struct rte_flow_action_dup {
  * Similar to QUEUE, except RSS is additionally performed on packets to
  * spread them among several queues according to the provided parameters.
  *
- * Note: RSS hash result is normally stored in the hash.rss mbuf field,
- * however it conflicts with the MARK action as they share the same
- * space. When both actions are specified, the RSS hash is discarded and
- * PKT_RX_RSS_HASH is not set in ol_flags. MARK has priority. The mbuf
- * structure should eventually evolve to store both.
+ * Note: RSS hash result is stored in the hash.rss mbuf field which overlaps
+ * hash.fdir.lo. Since the MARK action sets the hash.fdir.hi field only,
+ * both can be requested simultaneously.
  *
  * Terminating by default.
  */