[dpdk-dev] [PATCH] net/netvsc: disable before changing RSS parameters
Stephen Hemminger
stephen at networkplumber.org
Mon Nov 25 18:13:00 CET 2019
In order to change RSS parameters, the host requires that RSS
is disable first.
Fixes: 92d23a57cafe ("net/netvsc: support configuring RSS parameters")
Cc: stable at dpdk.org
Signed-off-by: Dexuan Cui <decui at microsoft.com>
Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
drivers/net/netvsc/hn_ethdev.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c
index 164e9ad174a7..575780ee5f26 100644
--- a/drivers/net/netvsc/hn_ethdev.c
+++ b/drivers/net/netvsc/hn_ethdev.c
@@ -291,6 +291,13 @@ static int hn_rss_reta_update(struct rte_eth_dev *dev,
hv->rss_ind[i] = reta_conf[idx].reta[shift];
}
+ err = hn_rndis_conf_rss(hv, NDIS_RSS_FLAG_DISABLE);
+ if (err) {
+ PMD_DRV_LOG(NOTICE,
+ "rss disable failed");
+ return err;
+ }
+
err = hn_rndis_conf_rss(hv, 0);
if (err) {
PMD_DRV_LOG(NOTICE,
@@ -578,6 +585,13 @@ static int hn_dev_configure(struct rte_eth_dev *dev)
return err;
}
+ err = hn_rndis_conf_rss(hv, NDIS_RSS_FLAG_DISABLE);
+ if (err) {
+ PMD_DRV_LOG(NOTICE,
+ "rss disable failed");
+ return err;
+ }
+
err = hn_rndis_conf_rss(hv, 0);
if (err) {
PMD_DRV_LOG(NOTICE,
--
2.20.1
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