You could probably use the solution that was given to an earlier question on this list (Bridge with a tweak...). The message is archived at https://lists.linux-foundation.org/pipermail/bridge/2008-October/006074.html .
On Sat, Nov 8, 2008 at 4:50 PM, Fahim Akhter <[EMAIL PROTECTED]> wrote: > Hi Everyone, > > I am currently working on a Ethernet Link Encryptor (so its called). The > concept is to have two Subnetworks connected together using two bridges and > the middle lays the internet connection or another network. The bridge is > meant for encryption. The ecryption module and ready and working ( > independantly ) , if one bridge is set to crypto the other is supposed to > turn on automatically. > > In crypto mode you only accept packet modified by the other bridge the rest > of the packets ( rest of the LANS/INTERNET) are supposed to be dropped. In > order to acheive that , I have to modify all the packets passing through the > bridge so the other bridge is able to recognise it. > > I was modifying the packets in net/bridge/br_forward.c should_deliver() but > on the other end I only received ARP packets as modified. Than I switched > over to net/bridge/br_input.c br_handle_frame() but encountring the same > problem. And in the kernel log only a few packets appear. ( dmesg , I'm > printing a message ) > > I need to Modify all packets passing through the bridge ( in kernel ) . Any > Ideas ? > > Thanks, > Fahim Akhter > > ________________________________ > Discover the new Windows Vista Learn more! > _______________________________________________ > Bridge mailing list > [email protected] > https://lists.linux-foundation.org/mailman/listinfo/bridge > _______________________________________________ Bridge mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/bridge
