Messages in this thread Patch in this message | | | From | Jason Wang <> | Subject | [PATCH net] virtio-net: alloc big buffers also when guest can receive UFO | Date | Wed, 12 Feb 2014 13:43:28 +0800 |
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We should alloc big buffers also when guest can receive UFO pakcets. Otherwise the big packets will be truncated when mergeable rx buffer is disabled.
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> --- drivers/net/virtio_net.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index d75f8ed..5632a99 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -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 (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_ECN)) + virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN) || + virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_UFO)) vi->big_packets = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) -- 1.8.3.2
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