[Qemu-devel] [PATCH 14/19] virtio-net: add vnet_hdr support

2009-10-22 Thread Mark McLoughlin
With '-netdev tap,id=foo -nic model=virtio,netdev=foo' virtio-net can detect that its peer (i.e. the tap backend) supports vnet headers and advertise to the guest that it can send packets with partial checksums and/or TSO packets. One complication is that if we're migrating and the source host sup

[Qemu-devel] [PATCH 14/19] virtio-net: add vnet_hdr support

2009-10-21 Thread Mark McLoughlin
With '-netdev tap,id=foo -nic model=virtio,netdev=foo' virtio-net can detect that its peer (i.e. the tap backend) supports vnet headers and advertise to the guest that it can send packets with partial checksums and/or TSO packets. One complication is that if we're migrating and the source host sup