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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230306125742-mutt-send-email-mst@kernel.org>
Date:   Mon, 6 Mar 2023 12:58:22 -0500
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Cc:     netdev@...r.kernel.org, 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, 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 <mst@...hat.com>

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