On Sat, Jul 3, 2010 at 10:07 PM, Stefan Hajnoczi <stefa...@gmail.com> wrote: > On Sat, Jul 3, 2010 at 9:52 PM, Stefan Hajnoczi <stefa...@gmail.com> wrote: >> This patch adds a native gPXE virtio-net driver and removes the legacy >> Etherboot virtio-net driver. The main reasons for doing this are: >> >> 1. Multiple virtio-net NICs are now supported by gPXE. The legacy >> driver kept global state and caused issues in virtual machines with >> more than one virtio-net device. >> >> 2. Faster downloads. The native gPXE driver downloads 100 MB over HTTP >> in 12s, the legacy Etherboot driver in 37s. This simple benchmark >> uses KVM with tap networking and the Python SimpleHTTPServer both >> running on the same host. >> >> Changes to core virtio code reduce vring descriptors to 256 (QEMU uses >> 128 for virtio-blk and 256 for virtio-net) and change the opaque token >> from u16 to void*. Lowering the descriptor count reduces memory >> consumption. The void* opaque token change makes driver code simpler. >> >> Signed-off-by: Stefan Hajnoczi <stefa...@gmail.com> > > Testing would be appreciated so here is a ROM-o-matic to build images: > > http://etherboot.org/share/stefanha/virtio-net/contrib/rom-o-matic/ > > If you want to build from source: > > $ git clone -b virtio-net git://git.etherboot.org/scm/people/stefanha/gpxe.git > $ cd gpxe/src > $ make
Thanks for testing the new driver: http://support.etherboot.org/index.php?do=details&task_id=96 I'd appreciate code review if anyone has time. Stefan _______________________________________________ gPXE-devel mailing list gPXE-devel@etherboot.org http://etherboot.org/mailman/listinfo/gpxe-devel
