[dpdk-dev] [PATCH] net/ice: fix initialization of RSS look-up table
Zhang,Alvin
alvinx.zhang at intel.com
Fri Jan 8 08:29:10 CET 2021
From: Alvin Zhang <alvinx.zhang at intel.com>
RSS look-up table initialization is done incorrectly due to divide-by-zero
error.
Add a check to rx-queue count.
Fixes: 50370662b727 ("net/ice: support device and queue ops")
Cc: stable at dpdk.org
Signed-off-by: Alvin Zhang <alvinx.zhang at intel.com>
---
drivers/net/ice/ice_ethdev.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 9a5d6a5..9cef73e 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -3268,10 +3268,12 @@ static int ice_init_rss(struct ice_pf *pf)
if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
- ret = ice_init_rss(pf);
- if (ret) {
- PMD_DRV_LOG(ERR, "Failed to enable rss for PF");
- return ret;
+ if (dev->data->nb_rx_queues) {
+ ret = ice_init_rss(pf);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "Failed to enable rss for PF");
+ return ret;
+ }
}
return 0;
--
1.8.3.1
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