Date: Sat, 20 Jan 2007 20:45:44 -0500 From: "Matthew X. Economou" <xenophon@irtnog.org> To: <freebsd-stable@freebsd.org> Subject: RE: tcpdump, rl, sis, fxp and multicast problems Message-ID: <B9638CACBA387E48927BB56B6A1555070D9E59@svr1.irtnog.org> In-Reply-To: <45B09856.8080600@IPricot.com> References: <45AF8586.8080908@IPricot.com><20070118235125.GA80971@xor.obsecurity.org> <45B09856.8080600@IPricot.com>
next in thread | previous in thread | raw e-mail | index | archive | help
> not very important but wouldn't it be better to set the checksum > to 0 instead of some arbitrary (?) and confusing value then ? No, as not setting the checksum is a (minor) optimization. Setting that field to any arbitrary constant means at least one completely unnecessary CPU instruction per datagram. Best wishes, Matthew=20 --=20 "Rogues are very keen in their profession, and know already much more than we can teach them respecting their several kinds of roguery." - A. C. Hobbs in _Locks and Safes_ (1853)
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?B9638CACBA387E48927BB56B6A1555070D9E59>