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

[Wei Zhao]

There need a queue index check for RSS queue region
in order to aviod error from 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 | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index f3e8c5f..4e86ecb 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -4249,6 +4249,20 @@ i40e_flow_parse_rss_action(struct rte_eth_dev *dev,
 				return -rte_errno;
 			}
 
+			for (i = 0; i < rss->num; i++) {
+				for (j = 0; j < rss_info->num; j++) {
+					if (rss->queue[i] == rss_info->queue[j])
+						break;
+				}
+				if (j == rss_info->num) {
+					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