From: Mark McLoughlin <markmc@xxxxxxxxxx> Date: Tue, 20 Jan 2009 16:59:26 +0000 > On Tue, 2009-01-20 at 09:48 -0700, Alex Williamson wrote: > > > 802.1Q expanded the maximum ethernet frame size by 4 bytes for the > > VLAN tag. We're not taking this into account in virtio_net, which > > means the buffers we provide to the backend in the virtqueue RX ring > > aren't big enough to hold a full MTU VLAN packet. For QEMU/KVM, > > this results in the backend exiting with a packet truncation error. > > > > Signed-off-by: Alex Williamson <alex.williamson@xxxxxx> > > Acked-by: Mark McLoughlin <markmc@xxxxxxxxxx> > > Note 1: this only matters if the guest isn't using mergeable receive > buffers or GSO > > Note 2: IMHO, this should go in 2.6.29 and stable Applied and queued up for -stable, thanks everyone! -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
