[Bridge] [PATCH] bonding: allow bond in mode balance-alb to work properly in bridge -try4

Patrick McHardy kaber at trash.net
Fri Mar 27 01:55:39 PDT 2009

Jiri Pirko wrote:
> Fri, Mar 27, 2009 at 08:53:13AM CET, kaber at trash.net wrote:
>> >
>> > Me neither, but I don't think this approach can be done without the
>> > hook. While I still find it questionable whether this mode really
>> > needs to be supported for a bridge at all
> Well there is I think nothing unusual in this net scheme. And by for example
> the increasing setups with kvm/bridging it will be needed more and more.

Mangling ARP packets for load-balancing purposes seems quite unusual.

>> , an alternative approach
>> would be to have bonding add FDB entries for all secondary MACs to
>> make bridging treat them as local.
> Yes - that is the clear way. But there's not really straihtforward way to do
> this. The clear approach would be to extend struct net_device for list of these
> mac addresses and let the drivers (binding) fill it and bridge to process it.
> But I don't know.

We have a list of secondary unicast addresses, but that might not
be suitable in this case since the addresses are (mostly) intended
not to be visible to the stack if I understood correctly.

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