On Sun, 22 Feb 2015 10:53:51 +0100 "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote: > On Fri, Feb 20, 2015 at 11:07:24AM +0100, Greg Kurz wrote: > > Hi, > > > > This patchset allows vhost_net to be used with legacy virtio > > when guest and host have a different endianness. It is based > > on previous work by Cédric Le Goater: > > > > https://www.mail-archive.com/kvm-ppc@xxxxxxxxxxxxxxx/msg09848.html > > > > As suggested by MST: > > - the API now asks for a specific format (big endian) instead of the hint > > whether byteswap is needed or not (patch 1) > > - rebased on top of the virtio-1 accessors (patch 2) > > > > Patch 3 is a separate fix: I think it is also valid for virtio-1. > > I don't think so. See e.g. this code in tun: > gso.csum_offset = cpu_to_tun16(tun, skb->csum_offset); > looks like it has the correct endian-ness for virtio-1. > > Indeed. I will fix tun/macvtap as you suggested. Thanks for the review. -- Greg > > > Please comment. > > > > --- > > > > Greg Kurz (3): > > vhost: add VHOST_VRING_F_LEGACY_BIG_ENDIAN flag > > vhost: add support for legacy virtio > > vhost_net: fix virtio_net header endianness > > > > > > drivers/vhost/net.c | 32 ++++++++++++++++++++++++++------ > > drivers/vhost/vhost.c | 6 +++++- > > drivers/vhost/vhost.h | 23 +++++++++++++++++------ > > include/uapi/linux/vhost.h | 2 ++ > > 4 files changed, 50 insertions(+), 13 deletions(-) > > > > -- > > Greg > _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
