Re: Synchronous protocols on Linux

Michael Lausch (
Thu, 03 Dec 1998 11:39:07 +0100

>>>>> "ckl" == Chad K Lewis <>
>>>>> 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
>> (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.

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