linux-kernel - Re: [PATCH net 9/9] virtio-net: XDP support for small buffers

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Message-ID: <585D562F.6000009@gmail.com>
Date:   Fri, 23 Dec 2016 08:51:59 -0800
From:   John Fastabend <john.fastabend@...il.com>
To:     Jason Wang <jasowang@...hat.com>, mst@...hat.com,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     john.r.fastabend@...el.com
Subject: Re: [PATCH net 9/9] virtio-net: XDP support for small buffers

On 16-12-23 06:37 AM, Jason Wang wrote:
> Commit f600b6905015 ("virtio_net: Add XDP support") leaves the case of
> small receive buffer untouched. This will confuse the user who want to
> set XDP but use small buffers. Other than forbid XDP in small buffer
> mode, let's make it work. XDP then can only work at skb->data since
> virtio-net create skbs during refill, this is sub optimal which could
> be optimized in the future.
> 
> Cc: John Fastabend <john.r.fastabend@...el.com>
> Signed-off-by: Jason Wang <jasowang@...hat.com>
> ---


Looks good to me thanks!

Acked-by: John Fastabend <john.r.fastabend@...el.com>