Re: 2.6.12: connection tracking broken?

Patrick McHardy
2005-06-20T12:16:02Z

Bart De Schuymer wrote:
> Op ma, 20-06-2005 te 04:45 +0200, schreef Patrick McHardy:
>
>> Bart, can you explain why the hooks are defered please?
>
> This is done so that iptables knows which bridge port the output device
> is, using the iptables physdev match.

In which cases is this necessary? AFAICT the output device is determined
in br_handle_frame_finish() for a normally bridged packet.

> Can't you release the conntrack reference with a function registered on
> the POSTROUTING hook with a prio higher than nat POSTROUTING (or
> something like that)?

We would have to hold the reference while the packet is queued at the
device for the bridge case, which we want to avoid.

Regards
Patrick