Date: Tue, 05 Jun 2001 06:56:42 -0300 From: "Daniel C. Sobral" <dcs@newsguy.com> To: Giorgos Keramidas <keramidi@otenet.gr> Cc: Bob Willcox <bob@immure.com>, Jesper Skriver <jesper@skriver.dk>, hackers list <freebsd-hackers@FreeBSD.ORG> Subject: Re: How to disable software TCP checksumming? Message-ID: <3B1CACDA.96599BD5@newsguy.com> References: <20010529144114.I19771@luke.immure.com> <20010529221107.C49875@skriver.dk> <20010529155212.M19771@luke.immure.com> <20010530045200.A1031@hades.hell.gr>
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Giorgos Keramidas wrote: > > There are good reasons why checksumming in upper layers should not be disabled > even if some lower layer does checksumming of its own. I recall reading some > good points on this one at "TCP/IP Illustrated, Volume I" from (now late) > Richard W. Stevens. It seems to me to be kind of moot to check the same value twice, unless you suspect hardware problems. Aren't you talking about two different checks over the same data instead of checksum off-loading? -- Daniel C. Sobral (8-DCS) dcs@newsguy.com dcs@freebsd.org capo@the.secret.bsdconspiracy.net wow regex humor... I'm a geek To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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