Re: TCP checksum offloading (complete)

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On Thu, Nov 13, 2003 at 07:41:51AM -0600, Casey Carter wrote:
> The intuition here is to think about exactly what needs to be subtracted 
> from the whole-packet checksum to get the TCP checksum: the IP header 
> checksum.  And the IP header checksum, since we know that it must be 
> correct, must be zero.  Subtracting zero from a checksum leaves it 
> unchanged.  Thus, the subtraction is implicit.
>

I'm enlightened!

Thanks
/npat

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  -- Mikhail Bakunin 
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