The following set of patches add support for enabling UFO on virtio-net and tap devices that allows sending/receiving large UDP packets between host and guest and multiple guests running under KVM. [PATCH net-next 1/4] IPv6: HW csum support for outgoing large UFO packets [PATCH net-next 2/4] udp: Handle large UFO packets from untrusted sources [PATCH net-next 3/4] virtio_net: Allow UFO feature to be set on virtio_net device. [PATCH net-next 4/4] tun: Allow tap device to send/receive UFO packets. In order to use this feature, Qemu needs to negotiate and set UFO feature in the tap and virtio-net devices. I am also including a patch to qemu-kvm git that does this. Thanks Sridhar -- 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