[dpdk-dev] [PATCH] net/i40e: fix flow RSS queue index check error

[Wei Zhao]

Ther is a error in queue index check for RSS queue region
configuration.

Fixes: ecad87d22383 ("net/i40e: move RSS to flow API")
Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
Tested-by: Peng Yuan <yuan.peng at intel.com>
---
 drivers/net/i40e/i40e_flow.c | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index f4d08bb..fb7ad51 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -4240,6 +4240,14 @@ i40e_flow_parse_rss_action(struct rte_eth_dev *dev,
 				return -rte_errno;
 			}
 		}
+
+		if (rss_info->num < rss->num) {
+			rte_flow_error_set(error, EINVAL,
+				RTE_FLOW_ERROR_TYPE_ACTION,
+				act,
+				"no valid queues");
+			return -rte_errno;
+		}
 	}
 
 	for (n = 0; n < conf_info->queue_region_number; n++) {
@@ -4264,17 +4272,6 @@ i40e_flow_parse_rss_action(struct rte_eth_dev *dev,
 				return -rte_errno;
 			}
 
-			if (rss_info->num < rss->num ||
-				rss->queue[0] < rss_info->queue[0] ||
-				(rss->queue[0] + rss->num >
-					rss_info->num + rss_info->queue[0])) {
-				rte_flow_error_set(error, EINVAL,
-					RTE_FLOW_ERROR_TYPE_ACTION,
-					act,
-					"no valid queues");
-				return -rte_errno;
-			}
-
 			for (i = 0; i < info->queue_region_number; i++) {
 				if (info->region[i].queue_num == rss->num &&
 					info->region[i].queue_start_index ==
-- 
2.7.5