Date: Mon, 08 Jan 2007 18:59:12 -0800 From: Julian Elischer <julian@elischer.org> To: Lowell Gilbert <lgusenet@be-well.ilk.org> Cc: freebsd-hackers@freebsd.org Subject: Re: TCP Checksums in mbufs Message-ID: <45A30500.4040705@elischer.org> In-Reply-To: <44hcv188y9.fsf@be-well.ilk.org> References: <20070108203211.GF41066@nerds.org.uk> <45A2BEEE.5010202@elischer.org> <44hcv188y9.fsf@be-well.ilk.org>
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Lowell Gilbert wrote: > > > Actually, it is as easy as that. And it's exactly the way this kind > of case is usually handled. almost.. you need to account for the fact that our computers are 2-s compliment machines and the checksum is a 1-s compliment checksum > >> I think it's given in one of the RFCs but I think it may also >> be used in the tcpmss port, or possibly the mss fixup code in ppp. >> I know I've used it somewhere but forget where :-) > > RFC 1071, but that doesn't include the code. Just the one-sentence > explanation of what to do. [And several more sentences of > explanation...] > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
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