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SubjectRe: [PATCH net 2/9] virtio-net: correctly xmit linearized page on XDP_TX
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On 16-12-23 06:37 AM, Jason Wang wrote:
> After we linearize page, we should xmit this page instead of the page
> of first buffer which may lead unexpected result. With this patch, we
> can see correct packet during XDP_TX.
>
> Cc: John Fastabend <john.r.fastabend@intel.com>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
> ---
> drivers/net/virtio_net.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 1067253..fe4562d 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -572,7 +572,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
> if (unlikely(hdr->hdr.gso_type || hdr->hdr.flags))
> goto err_xdp;
>
> - act = do_xdp_prog(vi, rq, xdp_prog, page, offset, len);
> + act = do_xdp_prog(vi, rq, xdp_prog, xdp_page, offset, len);
> switch (act) {
> case XDP_PASS:
> if (unlikely(xdp_page != page))
>

Thanks clumsy merge conflict resolution between v4 and v6 versions :/

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

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