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virtio-net: alloc big buffers also when guest can receive UFO

We should alloc big buffers also when guest can receive UFO
packets to let the big packets fit into guest rx buffer.

Fixes 5c5167515d80f78f6bb538492c423adcae31ad65
(virtio-net: Allow UFO feature to be set and advertised.)

Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jason Wang 11 years ago
parent
916e4cf46d
commit
0e7ede80d9
1 changed files with 2 additions and 1 deletions
Unified View Show Diff Stats
  1. 2 1
      drivers/net/virtio_net.c

+ 2 - 1
drivers/net/virtio_net.c
View File 

@@ -1711,7 +1711,8 @@ static int virtnet_probe(struct virtio_device *vdev)
 
 	/* If we can receive ANY GSO packets, we must allocate large ones. */
 
 	/* If we can receive ANY GSO packets, we must allocate large ones. */
 
 	if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) ||
 
 	if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) ||
 
 	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) ||
 
 	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) ||
 
-	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN))
 
+	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN) ||
 
+	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_UFO))
 
 		vi->big_packets = true;
 
 		vi->big_packets = true;
 
 
 
 	if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))
 
 	if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))