[dpdk-stable] [PATCH v3 1/2] net/ice: fix wrong RSS hash update

Wenjun Wu wenjun1.wu at intel.com
Fri Mar 5 07:03:24 CET 2021


This patch change judgment statements to disable RSS for pf
when users need to disable RSS or RSS hash function configured
is not supported.

Fixes: 4717a12cfaf1 ("net/ice: initialize and update RSS based on user config")
Cc: stable at dpdk.org

Signed-off-by: Wenjun Wu <wenjun1.wu at intel.com>

---
v2: do pf->rss_hf = 0 when rss_conf->rss_hf == 0 instead of direct
removal to avoid unnecessary judgment.
v3: fix the same issue for both pf and vf.
---
 drivers/net/ice/ice_ethdev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index f43b2e0b2..299162286 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -4461,8 +4461,10 @@ ice_rss_hash_update(struct rte_eth_dev *dev,
 	if (status)
 		return status;
 
-	if (rss_conf->rss_hf == 0)
+	if (rss_conf->rss_hf == 0) {
+		pf->rss_hf = 0;
 		return 0;
+	}
 
 	/* RSS hash configuration */
 	ice_rss_hash_set(pf, rss_conf->rss_hf);
-- 
2.25.1



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