Where is the source code of native IPsec in FC2

[Rahul Sundaram]

Hi
> Thank you very much, 
> But, what I want to found is the the 
> source code of native IPsec in Linux kernel 2.6, not the kernel components
> (i.e. KLIPS) of Frees/wan or Openswan. Could you please give me some hints
> about the former? 
> Thanks again. 

http://www.kernelhq.cc/browse.py?css=taichi

seems to be it. install the kernel source code and peek into/grep  the
net directory

regards
Rahul Sundaram