]> git.baikalelectronics.ru Git - kernel.git/commit
virtio-net: re enable XDP_REDIRECT for mergeable buffer
authorJason Wang <jasowang@redhat.com>
Fri, 2 Mar 2018 09:29:14 +0000 (17:29 +0800)
committerDavid S. Miller <davem@davemloft.net>
Sun, 4 Mar 2018 23:37:54 +0000 (18:37 -0500)
commit9c2ab137bfb5fd09d0b4451e30d6adf724982fe0
tree47da897229c1fd9094fb43e7b7d512b816d45d2e
parentaf997f287ad7725c8621961bed0f1c6fc6b0f1e1
virtio-net: re enable XDP_REDIRECT for mergeable buffer

XDP_REDIRECT support for mergeable buffer was removed since commit
71682a68bfd7 ("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@redhat.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/virtio_net.c