macvtap: enable multiqueue flag

To notify the userspace about our capability of multiqueue.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index d2d1d5578b61..992151ce08a4 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -31,10 +31,6 @@
  * macvtap_proto is used to allocate queues through the sock allocation
  * mechanism.
  *
- * TODO: multiqueue support is currently not implemented, even though
- * macvtap is basically prepared for that. We will need to add this
- * here as well as in virtio-net and qemu to get line rate on 10gbit
- * adapters from a guest.
  */
 struct macvtap_queue {
         struct sock sk;
@@ -1027,7 +1023,8 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
                 return macvtap_ioctl_set_queue(file, u);
 
         case TUNGETFEATURES:
-                if (put_user(IFF_TAP | IFF_NO_PI | IFF_VNET_HDR, up))
+                if (put_user(IFF_TAP | IFF_NO_PI | IFF_VNET_HDR |
+                             IFF_MULTI_QUEUE, up))
                         return -EFAULT;
                 return 0;