[Xorp-hackers] Where can I get the raw packet?

[Ben Greear]

On 06/29/2011 10:21 PM, 土井 博生 wrote:
> I am a Japanese xorp user and a newbie xorp hacker :).
>
> Now, I test a OSPF routing on xorp 1.8.3 with a simple network.
>
> (Linux box A, ubuntu 11.04, OSPF)<---->  (Linux box B, ubuntu 11.04, OSPF)
>
> At first, I try to understand the packet flow inside xorp.
> So, I read the source code fea/data_plane/io/io_ip_socket.cc
> I guessed that the routine proto_socket_read() receives the raw packets.
> Although I can capture OSPF related packets (Hello, DB, LSA) in proto_socket_read() on Linux box A, I cannot capture the other packets (ping packets or ARP) when I send ping packets from Linux box B to Linux box A .
> Also I guess that xorp has another routine to receive raw packets and filters the raw packets and send to  proto_socket_read().
>
> Please suggest me the routine which receives the raw packet at first.
> I would like to understand the packet flow from first.

Raw packets come into the FEA process in fea/data_plane/io/io_ip_socket.cc

There are some other files in that directory that can also receive/send
packets.

Thanks,
Ben

-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com