RE: Synchronous protocols on Linux

Joshua Snyder (josh@imagestream-is.com)
Thu, 3 Dec 1998 17:38:55 -0500

The drivers are maintained by Imagestream Internet solutions. Go to
www.imagestream-is.com for more information. The old SDL drivers are a lot
more buggy then the new Imagestream drivers. I know that the frame relay
driver has a memory leak but so does the old SDL frame relay driver. We ( I
work part-time for Imagestream ) have drivers available for some of the
newer cards such as, the PCI cards and we are in development for the new DS
3 cards from SDL. I can't tell you about source code distribution, as I am
not directly involved with that aspect of the driver development. You could
email jc@imagestream-is.com and he would be able to answer all of your
questions. If you have any more questions or comments feel free to email
me.

Josh

> -----Original Message-----
> From: owner-linux-kernel@vger.rutgers.edu
> [mailto:owner-linux-kernel@vger.rutgers.edu]On Behalf Of Michael Lausch
> Sent: Thursday, December 03, 1998 5:39 AM
> To: Chad K. Lewis
> Cc: linux-kernel@vger.rutgers.edu
> Subject: Re: Synchronous protocols on Linux
>
>
> >>>>> "ckl" == Chad K Lewis <clewis@navisite.com>
> >>>>> wrote the following on Wed, 02 Dec 1998 18:07:48 -0800
>
> ckl> Krzysztof Halasa wrote:
>
> >> SDL drivers for FR (and others) are available - there is info on
> >> ftp.sdlcomm.com (I forgot the ftp site - the drivers are made
> by another
> >> company). However, the driver is:
> >> - binary-only, made with 2.0.35 (2.0.36?) kernel
> >> - buggy - there is a memory leak in FR code - eating RAM when the PVC
> >> is not valid. They said they will eventually fix it.
> >>
> >> I'm not sure if distributing binary-only driver is legal - looks like
> >> it's based on linux:drivers/net/skeleton.c, which is GPLed.
> >> --
> >> Krzysztof Halasa
> >> Network Administrator of The Palace of Youth in Warsaw
>
> ckl> It's legal as long as they provide a means of getting a
> machine-readable
> ckl> copy of the source. If they aren't providing such and they
> did derive
> ckl> it from something GPL'd, they are violating their license agreement.
>
> some time ago i fetched the GPL source from sdlcomm's ftp site. i
> still have it. The driver works now for 1 month in a 2.0.x environment
> without downtime in Cisco HDLC mode.
> <ftp://ftp.gams.at/pub/linux/sdl/sdlcomm-n2-cisco-hdlc-0.1.tar.gz>
>
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