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>

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index d2d1d5578b61e86429d1d25801346019f9d9b8c6..992151ce08a40de872318cc8d0c3e008cde2e74e 100644 (file)
--- 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;