[ECOS] NAT for the ecos

[QiuWindren]

Hi all,
 
I want to port NAT to ecos.
As Jay Foster suggested,I want to add the IP filter back to 
the bsd tcpip stack of ecos .
I have got the source code of FreeBSD 4.4,and I find that all 
the code about IPfilter are in the directory ./contrib/ipfilter .
 
If I need to port all the files in the directory ./contrib/ipfilter
to the ecos bsd tcpip stack?
And if any other files should also be ported to eocs ,such as 
./netinet/ip_fw.c ,ip_dummynet.c ?
 
Any suggestion will be nice!
 
Thanks all!   		 	   		  

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