On Wed, Feb 12, 2014 at 01:43:28PM +0800, Jason Wang wrote: > 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. Not truncated, they will be dropped. > Fixes 5c5167515d80f78f6bb538492c423adcae31ad65 > (virtio-net: Allow UFO feature to be set and advertised.) > > Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx> > Cc: Michael S. Tsirkin <mst@xxxxxxxxxx> > Cc: Sridhar Samudrala <sri@xxxxxxxxxx> > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx> for patch but please fix commit message. > --- > 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 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
