problem with bridging firewall and v 3.x kernel

All the builds on here with the version 2.6 kernels work fine.. Any builds on here and the dd-wrt site with the version 3.x kernels (all new routers unfortunately) do not have the netfilter-enable patches outlined in the link below compiled into the 3.x kernel. Consequently any packets in the bridge are not passed to the level 3 and iptables will not work on them. I have already posted in the dd-wrt forums and asked Brainslayer but to no avail. Is it possible for someone here hopefully Kong to build these patches in the 3.x kernel so I can get newer routers working with this (isps such as comcast who give you your default g/w on the same subnet as your ip block - for public ips) need this in order to implement a usefull bridging firewall.

http://osdir.com/ml/linux.network.bridge/2002-05/msg00077.html

Thanks in advance..

Larry Kahn.