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Date: Sat, 19 Aug 2006 21:57:03 -0700
From: Julian Elischer <julian@elischer.org>
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To: Ruslan Ermilov <ru@freebsd.org>
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Cc: freebsd-net@freebsd.org, Rajkumar S <rajkumars@gmail.com>
Subject: Re: ng_ip_input ?
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Ruslan Ermilov wrote:

>On Sat, Aug 19, 2006 at 07:58:03PM +0530, Rajkumar S wrote:
>  
>
>>On 8/19/06, Ruslan Ermilov <ru@freebsd.org> wrote:
>>    
>>
>>>On Sat, Aug 19, 2006 at 07:05:49PM +0530, Rajkumar S wrote:
>>>      
>>>
>>>>Any points to docs to read about a packet's traversal in FreeBSD ip
>>>>stack? (especially wrt pf)
>>>>
>>>>        
>>>>
>>>What level of detalization do you need?  Filters, such as pf(4), are
>>>embedded into the normal processing using the pfil(9) API.
>>>      
>>>
>>I am a relative newbie learning freebsd. A broad overview with
>>pointers to manpages are ideal.  like the the simple pointer to
>>pfil(9) you gave along with a small description of where it appears.
>>
>>    
>>
>Then you can always start from reading the source code.
>It's been written by human beings.  :-)
>  
>

while the above seems harsh it turns out that /sys/netinet/ip_input.c is 
in fact a very easy file to
read due to the serial nature of ip processing.. give it a try

>
>Cheers,
>  
>