From owner-freebsd-net@FreeBSD.ORG  Tue Jun  7 19:46:13 2005
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From: Charles Swiger <cswiger@mac.com>
Date: Tue, 7 Jun 2005 15:46:03 -0400
To: Julian Elischer <julian@elischer.org>
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Cc: Christian Kuhtz <christian@kuhtz.com>, freebsd-net@freebsd.org
Subject: Re: divert sock api q
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On Jun 7, 2005, at 1:14 PM, Julian Elischer wrote:
>> I apologize for being so exceptionally dense, this is driving me  
>> completely up the walls..
>
> if you are receiving the entire IP packet in user space (first byte  
> is 0x42 or 0x45 usually) then you need to update teh packet length  
> field of the IP packet, as well as changing the number of bytes  
> written back.

I agree with your suggestion, but how can you have an ip_vhl of  
0x42?  Doesn't a valid IP packet need to have a header length of at  
least 5 (5 << 2 == 20 bytes)?

-- 
-Chuck