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SubjectRe: [PATCH net V2] virtio-net: re enable XDP_REDIRECT for mergeable buffer

On 2018年03月03日 01:36, Michael S. Tsirkin wrote:
> On Fri, Mar 02, 2018 at 05:29:14PM +0800, Jason Wang wrote:
>> XDP_REDIRECT support for mergeable buffer was removed since commit
>> 7324f5399b06 ("virtio_net: disable XDP_REDIRECT in receive_mergeable()
>> case"). This is because we don't reserve enough tailroom for struct
>> skb_shared_info which breaks XDP assumption. So this patch fixes this
>> by reserving enough tailroom and using fixed size of rx buffer.
>> Signed-off-by: Jason Wang<>
> Acked-by: Michael S. Tsirkin<>
> I think the next incremental step is to look at splitting
> out fast path XDP processing to a separate set of functions.

Let me try (probably after 1.1 stuffs).


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