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The Link https://lists.linux-foundation.org/pipermail/bridge/2008-October/006074.html , is about capturing packets and sending to user space. Speed is important in my current scenario. Is there anyway I can do everything in kernel specially by hacking or tweaking the already kernel space. Instead of socket programming and capturing packets at ethernet? > Date: Sun, 9 Nov 2008 00:14:21 +0530 > From: srinivas.aji@xxxxxxxxx > To: akhter.fahim@xxxxxxxxxxx > Subject: Re: Modifying All Packets passing through the bridge! > CC: bridge@xxxxxxxxxxxxxxxxxxxxxxxxxx > > 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 <akhter.fahim@xxxxxxxxxxx> 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 > > Bridge@xxxxxxxxxxxxxxxxxxxxxxxxxx > > https://lists.linux-foundation.org/mailman/listinfo/bridge > > Connect to the next generation of MSN Messenger Get it now! |
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