[dpdk-dev] [PATCH] net/netvsc: disable before changing RSS parameters
Dexuan Cui
decui at microsoft.com
Tue Nov 26 04:28:35 CET 2019
> From: Stephen Hemminger <stephen at networkplumber.org>
> Sent: Monday, November 25, 2019 9:13 AM
> To: dev at dpdk.org
> Cc: Stephen Hemminger <stephen at networkplumber.org>; stable at dpdk.org;
> Dexuan Cui <decui at microsoft.com>
>
> 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
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?
Thanks,
-- Dexuan
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