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

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Date:   Mon, 06 Mar 2023 08:49:24 -0800
From:   Alexander H Duyck <alexander.duyck@...il.com>
To:     Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, netdev@...r.kernel.org
Cc:     "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        virtualization@...ts.linux-foundation.org, bpf@...r.kernel.org
Subject: Re: [PATCH net 0/2] add checking sq is full inside xdp xmit

On Mon, 2023-03-06 at 12:15 +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.
> 
> 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
> 

Series looks good to me.

Reviewed-by: Alexander Duyck <alexanderduyck@...com>