mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-04 18:09:57 +00:00
virtio_net: reject XDP programs using header adjustment
commit 17bedab272
("bpf: xdp: Allow head adjustment in XDP prog")
added a new XDP helper to prepend and remove data from a frame.
Make virtio_net reject programs making use of this helper until
proper support is added.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
b68df01560
commit
529ec6ac26
1 changed files with 5 additions and 0 deletions
|
@ -1715,6 +1715,11 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog)
|
|||
u16 xdp_qp = 0, curr_qp;
|
||||
int i, err;
|
||||
|
||||
if (prog && prog->xdp_adjust_head) {
|
||||
netdev_warn(dev, "Does not support bpf_xdp_adjust_head()\n");
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_TSO4) ||
|
||||
virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_TSO6) ||
|
||||
virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_ECN) ||
|
||||
|
|
Loading…
Reference in a new issue