Date: Sat, 09 Jun 2001 09:56:05 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Assar Westerlund <assar@FreeBSD.ORG> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: How to disable software TCP checksumming? Message-ID: <3B225525.8C4695D@mindspring.com> References: <20010529144114.I19771@luke.immure.com> <20010529221107.C49875@skriver.dk> <20010529155212.M19771@luke.immure.com> <20010530045200.A1031@hades.hell.gr> <20010529235215.A60177@luke.immure.com> <20010530085155.B24096@Odin.AC.HMC.Edu> <200105310204.f4V248n15260@whizzo.transsys.com> <200106070549.WAA06248@windsor.research.att.com> <3B208F11.87722148@mindspring.com> <5lk82ntb0o.fsf@assaris.sics.se>
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Assar Westerlund wrote: > > Terry Lambert <tlambert2@mindspring.com> writes: > > This all came from IP headers being 14 bytes long, instead > > of 16. > > Hu? An IPv4 header (not including options) is 20 bytes long. Sorry; ethernet header. The problem is the 14 bytes making the code unaligned on a 32 or 64 bit boundary... -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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