Date: Fri, 06 Mar 1998 20:16:48 -0600 From: David Kelly <dkelly@hiwaay.net> To: Haider Roland VAI/TAW2 <HaiderRo@linz.vai.co.at>, freebsd-questions@FreeBSD.ORG Subject: Re: AX.25 Kernel patch for FreeBSD? Message-ID: <199803070216.UAA15408@nospam.hiwaay.net> In-Reply-To: Message from Doug White <dwhite@gdi.uoregon.edu> of "Thu, 05 Mar 1998 22:00:21 PST." <Pine.BSF.3.96.980305215924.24994K-100000@gdi.uoregon.edu>
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Doug White writes: > > One major problem is that the X.25 code has been removed from the kernel. > If you want to experiment with this you'll have to fetch it and plug it > back into the kernel. AX.25 started as X.25 but expanded the address field from 8 bits to 8 bytes. I believe a lot of work also was applied to various protocol timers to deal with very slow RF networks (300 and 1200 baud is common) and slow-to-key radios. Am not sure the removed X.25 code would have been of any use but for reading material. The AX.25 protocol spec is available from http://www.tapr.org/ in PDF format. You can do AX.25 in user space, much like PPP, with TNOS. TNOS 2.22 used to compile cleanly on FreeBSD, I know because I provided the patches to the author. I didn't keep up with TNOS 2.30 so it has a couple of gotchas and a heavy Linux bent. TNOS can be had from http://www.lantz.com and ftp://ftp.ucsd.edu/. Hint: download the Linux binaries too, that's the only way you'll get the entire runtime directrory structure TNOS requires. Maybe one day I'll submit a FreeBSD port to eliminate the configure and compile hassles. Even better, maybe someone will beat me to the port. -- David Kelly N4HHE, dkelly@nospam.hiwaay.net ===================================================================== The human mind ordinarily operates at only ten percent of its capacity -- the rest is overhead for the operating system. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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