[dpdk-dev] [PATCH] net/ice: fix invalid RSS type

[Simei Su]

When a RSS rule with only RSS type modifirer L2/L3/L4 SRC/DST_ONLY,
it should return failure. This patch adds invalid RSS type check.

Fixes: dfaedcf20170 ("net/ice: refactor PF hash flow")

Signed-off-by: Simei Su <simei.su at intel.com>
---
 drivers/net/ice/ice_hash.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ice/ice_hash.c b/drivers/net/ice/ice_hash.c
index cbd6116..777bd6d 100644
--- a/drivers/net/ice/ice_hash.c
+++ b/drivers/net/ice/ice_hash.c
@@ -721,6 +721,11 @@ struct ice_hash_match_type ice_hash_type_list[] = {
 			 * of the same level.
 			 */
 			rss_type = rte_eth_rss_hf_refine(rss_type);
+			/* Check if only L2/L3/L4 src/dst-only exists. */
+			if ((rss_type & 0xffffffff) == 0)
+				return rte_flow_error_set(error, ENOTSUP,
+					RTE_FLOW_ERROR_TYPE_ACTION, action,
+					"rss type with only L2/L3/L4 src/dst only is invalid");
 
 			combine_type = ETH_RSS_L2_SRC_ONLY |
 					ETH_RSS_L2_DST_ONLY |
-- 
1.8.3.1