On Wed, Jun 28, 2017 at 09:54:03AM +0800, Jason Wang wrote:
> We should allow csumed packet for small buffer, otherwise XDP_PASS
> won't work correctly.
>
> Fixes commit bb91accf2733 ("virtio-net: XDP support for small buffers")
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
The issue would be VIRTIO_NET_HDR_F_DATA_VALID might be set.
What do you think?
> ---
> The patch is needed for -stable.
> ---
> 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 143d8a9..499fcc9 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -413,7 +413,7 @@ static struct sk_buff *receive_small(struct net_device *dev,
> void *orig_data;
> u32 act;
>
> - if (unlikely(hdr->hdr.gso_type || hdr->hdr.flags))
> + if (unlikely(hdr->hdr.gso_type))
> goto err_xdp;
>
> xdp.data_hard_start = buf + VIRTNET_RX_PAD + vi->hdr_len;
> --
> 2.7.4
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