RE: [PATCH][RFC] net/bridge: add basic VEPA support

2009-08-11 Thread Paul Congdon (UC Davis)
> > > > The patch from Eric Biederman to allow macvlan to bridge between > > its slave ports is at > > > > http://kerneltrap.org/mailarchive/linux-netdev/2009/3/9/5125774 > > Looking through the discussions here, it does not seem as if a decision > was made to integrate those patches, because they

RE: [evb] RE: [PATCH][RFC] net/bridge: add basic VEPA support

2009-08-10 Thread Paul Congdon (UC Davis)
Yaron, The interface multiplexing can be achieved using macvlan driver or using an SR-IOV capable NIC (the preferred option), macvlan may need to be extended to support VEPA multicast handling, this looks like a rather simple task Agreed that the hardware solution is preferred so the macvlan

RE: [evb] Re: [PATCH][RFC] net/bridge: add basic VEPA support

2009-08-10 Thread Paul Congdon (UC Davis)
Arnd, I don't think your scheme works too well because broadcast packet coming from other interfaces on br0 would get replicated and sent across the wire to ethB multiple times. Paul That way you should be able to do something like: Host A Host B /- nalvcam0 -\ /- macvlan0 - 192.168.1.1

RE: [PATCH][RFC] net/bridge: add basic VEPA support

2009-08-10 Thread Paul Congdon (UC Davis)
> > After reading more about this, I am not convinced this should be part > of the bridge code. The bridge code really consists of two parts: > forwarding table and optional spanning tree. Well the VEPA code short > circuits both of these; it can't imagine it working with STP turned > on. The o