On 11/26/2019 3:32 AM, Dexuan Cui wrote: >> From: Dexuan Cui >> Sent: Monday, November 25, 2019 7:29 PM >> To: Stephen Hemminger <[email protected]>; [email protected]; >> [email protected] >> Cc: [email protected] >> Subject: RE: [PATCH] net/netvsc: disable before changing RSS parameters >> >>> From: Stephen Hemminger <[email protected]> >>> Sent: Monday, November 25, 2019 9:13 AM >>> To: [email protected] >>> Cc: Stephen Hemminger <[email protected]>; >> [email protected]; >>> Dexuan Cui <[email protected]> >>> >>> In order to change RSS parameters, the host requires that RSS >>> is disable first. >>> >>> Fixes: 92d23a57cafe ("net/netvsc: support configuring RSS parameters") >>> Cc: [email protected] >>> Signed-off-by: Dexuan Cui <[email protected]> >>> Signed-off-by: Stephen Hemminger <[email protected]> >>> --- >>> 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 >> >> Hi, Stephen, >> I think the patch originally came from Donald Lee (I added him to "To"). >> >> IMO Donald's Signed-off-by should be added. >> >> And, can you please change my Signed-off-by to Tested-by? >> >> -- Dexuan > > Also, please add Tested-by for > > Abhishek Marathe <[email protected]> (Cc'd).
Hi Stephen, I will update this in next-net if you confirm. And to prevent confusion, can you please reply the tags that needs to be used? Thanks, ferruh

