lcs ethernet driver source

lcs ethernet driver source

Post by Richard B. Johnso » Sat, 01 Sep 2001 01:10:08





> >I tried to find the source for the lcs and qeth ethernet drivers for IBM's
> >S390 architecture, so I could recompile the kernel. However I seem to not
> be
> >able to find the source of these. Does anyone have a URL handy for this ?
> >(I wonder why these aren't in Linus or Alan's tree like most of the other
> >s390 patches)

> Sorry, at this point we are not allowed to publish the source code of the
> lcs and qeth drivers (due to the use of confidential hardware interface
> specifications).  We make those modules available only in binary form
> on our developerWorks web site.

Gosh. I didn't know you guys were so advanced that you didn't use
an electronic hardware interface! Your 'hardware interface specifications'
use magnetohydrodynamics, and they are top-secret, right?

Cheers,
* Johnson

Penguin : Linux version 2.4.1 on an i686 machine (799.53 BogoMips).

    I was going to compile a list of innovations that could be
    attributed to Microsoft. Once I realized that Ctrl-Alt-Del
    was handled in the BIOS, I found that there aren't any.

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lcs ethernet driver source

Post by David Woodhous » Sat, 01 Sep 2001 01:30:13



> > Sorry, at this point we are not allowed to publish the source code of the
> > lcs and qeth drivers (due to the use of confidential hardware interface
> > specifications).  We make those modules available only in binary form
> > on our developerWorks web site.

> Is there any plan to change this ?

Erm, Linux on S/390 runs as a virtual machine, doesn't it? Does a lack of
network drivers not render it completely useless?

If the architecture port is not sanely usable in the form in which it
appears in the Linux kernel, then it should be removed from the tree.

--
dwmw2

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lcs ethernet driver source

Post by Ulrich Weigan » Sat, 01 Sep 2001 02:10:13



>Erm, Linux on S/390 runs as a virtual machine, doesn't it? Does a lack of
>network drivers not render it completely useless?

Well, you're right that without network connection, there's not much
useful you can do.  However, LCS and QETH are not the only options;
you can also use a CTC or IUCV network interface (and those drivers *are*
open source and in the tree); there's also a third-party open source driver
to access CLAW network devices (not in the official tree, but e.g. part of
the SuSE kernel).

Especially in a virtual machine, you can simply define a virtual CTC or
IUCV
connection and access your network via those devices.

If you are running Linux native on the S/390 (not in a virtual machine)
and have *only* physical LCS or QETH devices, you must use the binary-only
modules; but this doesn't appear to be fundamentally different from other
devices where only binary drivers exist ...

Mit freundlichen Gruessen / Best Regards

Ulrich Weigand

--
  Dr. Ulrich Weigand
  Linux for S/390 Design & Development
  IBM Deutschland Entwicklung GmbH, Schoenaicher Str. 220, 71032 Boeblingen

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lcs ethernet driver source

Post by John Alvor » Sat, 01 Sep 2001 03:10:08




> > > Sorry, at this point we are not allowed to publish the source code of the
> > > lcs and qeth drivers (due to the use of confidential hardware interface
> > > specifications).  We make those modules available only in binary form
> > > on our developerWorks web site.

> > Is there any plan to change this ?

> Erm, Linux on S/390 runs as a virtual machine, doesn't it? Does a lack of
> network drivers not render it completely useless?

It can run as a virtual machine under VM. It can also run native directly
on the (LPAR) hardware.

john

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