--- suresh kumar <suresh_vin@indiainfo.com> wrote: > I have implemented, IP tunnelling in kernel by hooking to Netfilters. The > implementation goes as a module. I am sending the packet out by calling > dev_queue_xmit by filling the required fields in the skb and returning > NF_STOLEN. I just want to know, if I capture a packet at pre/post routing > hook and mangle the IP addresses(which could result in local/forward > delivery) and return NF_ACCEPT to corresponding NF hook, would the packet be > routed. Presumably, only if you do it at PRE-routing, no? >This is required so that, if any module registered to NF after this > tunneling module, can also get the packet and also I don't need to fill in > the fields in the skb and call dev_queue_xmit. Note that, depending on the requirements, it is also possible to create a tunnel and then use the rtnetlink libs to add a route to it to the routing tables and avoid the netfilter thing. Good luck finding docs on rtnetlink though... cam __________________________________ Do you Yahoo!? Yahoo! Search - Find what you?re looking for faster http://search.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
