patches for DPDK stable branches
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: Long Li <longli@linuxonhyperv.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>,
	dev@dpdk.org, Long Li <longli@microsoft.com>,
	stable@dpdk.org
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] net/netvsc: ignore NVS_TYPE_TXTBL_NOTE while executing a sync command
Date: Fri, 11 Dec 2020 09:21:36 -0800	[thread overview]
Message-ID: <20201211092136.4de4e248@hermes.local> (raw)
In-Reply-To: <1607673164-3683-1-git-send-email-longli@linuxonhyperv.com>

On Thu, 10 Dec 2020 23:52:44 -0800
Long Li <longli@linuxonhyperv.com> wrote:

> From: Long Li <longli@microsoft.com>
> 
> On netvsc initialization, the host VSP may send a NVS_TYPE_TXTBL_NOTE packet
> while executing a VSP command synchronously.
> 
> Ignore this packet as we don't use it for DPDK.
> 
> Cc: stable@dpdk.org
> Signed-off-by: Long Li <longli@microsoft.com>
> ---
>  drivers/net/netvsc/hn_nvs.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/netvsc/hn_nvs.c b/drivers/net/netvsc/hn_nvs.c
> index a0ee7d8bfa..b6aa07cc5f 100644
> --- a/drivers/net/netvsc/hn_nvs.c
> +++ b/drivers/net/netvsc/hn_nvs.c
> @@ -97,8 +97,13 @@ __hn_nvs_execute(struct hn_data *hv,
>  	hdr = (struct hn_nvs_hdr *)buffer;
>  
>  	/* Silently drop received packets while waiting for response */
> -	if (hdr->type == NVS_TYPE_RNDIS) {
> +	switch (hdr->type) {
> +	case NVS_TYPE_RNDIS:
>  		hn_nvs_ack_rxbuf(chan, xactid);
> +		/* fallthrough */
> +
> +	case NVS_TYPE_TXTBL_NOTE:
> +		PMD_DRV_LOG(NOTICE, "discard packet type %x", hdr->type);
>  		goto retry;
>  	}
>  

Could you change that log message to DEBUG (or INFO) level?
Users probably don't need to see it.

Acked-by: Stephen Hemminger <stephen@networkplumber.org>


  reply	other threads:[~2020-12-11 17:22 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-11  7:52 [dpdk-stable] " Long Li
2020-12-11 17:21 ` Stephen Hemminger [this message]
2020-12-11 20:05   ` [dpdk-stable] [dpdk-dev] " Long Li

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201211092136.4de4e248@hermes.local \
    --to=stephen@networkplumber.org \
    --cc=dev@dpdk.org \
    --cc=longli@linuxonhyperv.com \
    --cc=longli@microsoft.com \
    --cc=stable@dpdk.org \
    --cc=sthemmin@microsoft.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).