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

Patrick McHardy kaber at trash.net
Fri Mar 27 00:53:13 PDT 2009

David Miller wrote:
> From: Jiri Pirko <jpirko at redhat.com>
> Date: Thu, 26 Mar 2009 16:52:06 +0100
>> (resend, updated changelog, hook moved into skb_bond_should_drop,
>> skb_bond_should_drop ifdefed)
>> Hi all.
>> The problem is described in following bugzilla:
>> https://bugzilla.redhat.com/show_bug.cgi?id=487763
>  ...
>> This patch solves the situation in the bonding without touching bridge code,
>> as Patrick suggested. For every incoming frame to bonding it searches the
>> destination address in slaves list and if any of slave addresses matches, it
>> rewrites the address in frame by the adress of bonding master. This ensures that
>> all frames comming thru the bonding in alb mode have the same address.
>> Signed-off-by: Jiri Pirko <jpirko at redhat.com>
> I don't like the hook, but if that's how it's best done....
> Patrick, please review this.

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, an alternative approach
would be to have bonding add FDB entries for all secondary MACs to
make bridging treat them as local.

More information about the Bridge mailing list