Subject: Re: [PATCH net 0/2] add checking sq is full inside xdp xmit

From: "Michael S. Tsirkin" <[email-masked]>
Date: Mon, 6 Mar 2023 12:58:22 -0500

On Mon, Mar 06, 2023 at 12:15:33PM +0800, Xuan Zhuo wrote:
> If the queue of xdp xmit is not an independent queue, then when the xdp
> xmit used all the desc, the xmit from the __dev_queue_xmit() may encounter
> the following error.
> 
> net ens4: Unexpected TXQ (0) queue failure: -28
> 
> This patch adds a check whether sq is full in XDP Xmit.
> 
> Thanks.

Acked-by: Michael S. Tsirkin <[email-masked]>

needed for stable?

> Xuan Zhuo (2):
>   virtio_net: separate the logic of checking whether sq is full
>   virtio_net: add checking sq is full inside xdp xmit
> 
>  drivers/net/virtio_net.c | 78 ++++++++++++++++++++++++----------------
>  1 file changed, 47 insertions(+), 31 deletions(-)
> 
> --
> 2.32.0.3.g01195cf9f