On Tue, 2010-03-09 at 08:43 -0600, Anthony Liguori wrote: > On 03/09/2010 07:15 AM, Michael S. Tsirkin wrote: > > New bridge in linux 2.6.34 adds IGMP snooping support, > > after which bridge should not normally flood any packets. > > While we still need mac table to arm forwarding tables > > after migration, we can thus ignore it for rx datapath. > > > > For vlan, it's possible to do filtering down the > > stack simply by using bridge per guest and binding said bridge > > to vlan device, which some people do. > > > > Since qemu has no easy way to check IGMP snooping > > support in bridge or how it's connected, add options > > to disable rx filtering, so that management can set it > > as appropriate. > > Use these options to optimise virtio-net rx path. > > We still ask guest for the list of vlans/macs for > > migration. > > > > Signed-off-by: Michael S. Tsirkin<m...@redhat.com> > > > > Can't this be achieved by just disabling the feature bits? IOW, > > ctrl_vq=0,ctrl_vlan=0?
Michael still wants the guest to populate the MAC filter table so that we can use it to announce MACs on the bridge, especially after a migration. Alex
