On Wed, Sep 24, 2014 at 10:19:34AM +0530, Maninder Singh wrote: > Hi, > > Each time a packet arrives at a router in a subnet during transit, I > need to determine the IP address of the incoming interface of the > router for that packet. I have a netfilter kernel module running at > each router but I dont understand which data structure will give me > thw IP address. Can someone please suggest how shall I get that?
An interface can have more than one IP address, so your question is a little strange. However, you can find out all the IPv4 addresses a particular device has by iterating through dev->ip_ptr->ifa_list. Hope this helps, Vlad _______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
