[dpdk-stable] [PATCH] net/qede: fix L2-handles used for RSS hash update

Rasesh Mody rasesh.mody at cavium.com
Fri Jun 1 19:16:21 CEST 2018


Fix fast path array index which is used for passing L2 handles to RSS
indirection table. Currently, it is using the local copy of indirection
table. When the RX queue configuration changes the local copy becomes
invalid.

Fixes: 69d7ba88f1a1 ("net/qede/base: use L2-handles for RSS configuration")
Cc: stable at dpdk.org

Signed-off-by: Rasesh Mody <rasesh.mody at cavium.com>
---
 drivers/net/qede/qede_ethdev.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index 3206cc6..6e9e76d 100644
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -2210,7 +2210,7 @@ int qede_rss_hash_update(struct rte_eth_dev *eth_dev,
 	vport_update_params.vport_id = 0;
 	/* pass the L2 handles instead of qids */
 	for (i = 0 ; i < ECORE_RSS_IND_TABLE_SIZE ; i++) {
-		idx = qdev->rss_ind_table[i];
+		idx = ECORE_RSS_IND_TABLE_SIZE % QEDE_RSS_COUNT(qdev);
 		rss_params.rss_ind_table[i] = qdev->fp_array[idx].rxq->handle;
 	}
 	vport_update_params.rss_params = &rss_params;
-- 
1.7.10.3



More information about the stable mailing list