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

[David Miller]

From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Fri,  2 Mar 2018 17:29:14 +0800

> 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 <jasowang@xxxxxxxxxx>
> ---
> Changes from V1:
> - do not add duplicated tracepoint when redirection fails

Applied to net-next, thanks Jason.