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* [dpdk-dev] [dpdk-dev v1] net/ice: fix invalid hash validation
@ 2020-07-27  7:58 Jeff Guo
  2020-07-27  9:08 ` Zhang, Qi Z
  0 siblings, 1 reply; 2+ messages in thread
From: Jeff Guo @ 2020-07-27  7:58 UTC (permalink / raw)
  To: qi.z.zhang, qiming.yang; +Cc: dev, simei.su, jia.guo

An invalid rule should not be validated successfully. If the rule is not
in the supporting list, just return failure to application.

Signed-off-by: Jeff Guo <jia.guo@intel.com>
---
 drivers/net/ice/ice_hash.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/ice/ice_hash.c b/drivers/net/ice/ice_hash.c
index 2845ca0bd..fdfaff7f6 100644
--- a/drivers/net/ice/ice_hash.c
+++ b/drivers/net/ice/ice_hash.c
@@ -1012,6 +1012,7 @@ ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
 	enum rte_flow_action_type action_type;
 	const struct rte_flow_action_rss *rss;
 	const struct rte_flow_action *action;
+	bool hash_map_found = false;
 	uint64_t rss_attr_src_dst;
 	uint64_t rss_attr_l3_pre;
 	uint64_t rss_attr_symm;
@@ -1125,10 +1126,18 @@ ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
 				if (rss_type == ht_map->hash_type) {
 					hash_meta->hash_flds =
 							ht_map->hash_flds;
+					hash_map_found = true;
 					break;
 				}
 			}
 
+			if (pattern_match_item->pattern_list !=
+			    pattern_empty && !hash_map_found) {
+				return rte_flow_error_set(error, ENOTSUP,
+					RTE_FLOW_ERROR_TYPE_ACTION, action,
+					"Not supported flow");
+			}
+
 			/* update hash field for nat-t esp. */
 			if (rss_type == ETH_RSS_ESP &&
 			    (m->eth_rss_hint & ETH_RSS_NONFRAG_IPV4_UDP ||
-- 
2.20.1


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