[Prism54-users] Practical experience managing multiple "profiles" with Prism54 driver

[Brian Bothwell]

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On Tue, 23 Dec 2003 06:36:41 -0700
"S. Anderson" <sa@xmission.com> wrote:

> On Mon, Dec 22, 2003 at 05:58:56PM +0100, Stefan U. Hegner (Mobil) wrote:
> > Hi Nicolai,
> > 
> > Am Mon, den 22.12.2003 schrieb Nicolai Langfeldt um 15:36:
> > > Stefan U. Hegner (Mobil) wrote:
> > > > I'm getting pretty confused again.
> > > It may turn out that I'm the most confused ;-)
> > 
> > Please not! - I'm really in need of sound guidance!
> > 
> > > > I learned some 3 weeks ago, that the Prism54 has nothing to do with
> > > > pcmcia cardservices, since it rather is a pci hotplug device ... That's
> > > > why the config has nothing to do with the cardservices wires.opts etc.
> > > 
> > > Prism54 can sit on both PCI, mini PCI and PC-cards.  PC-cards, at least 
> > > in the laptops I have, are still in part served by pcmcia-utils and 
> > > cardctl.  PCI and mini PCI on the other hand us not handled by that at all.
> > 
> > But what does PC-cards are in part served by pcmcia-utils mean
> > practically for a Prims54 PC-card?
> > 
> 
> just to clear things up, the prism54 cardbus cards has nothing to do 
> with pcmcia-cs. to linux these cards look just like a pci card.
 
This is not completely true. If you have a cardbus NIC that uses the Prism54 driver, all the PCMCIA tools are still needed including the kernel drivers pcmcia_core, ds, and yenta_socket. cardmgr is not NECESSARY, but even with a true PCMCIA card it is not necessary. It only makes loading the drivers and/or hotswapping cards much easier.

I have a D-Link DWL-G650 Cardbus NIC that uses the prism54 driver. I still use all of Gentoo's PCMCIA init scripts with this NIC. However, I can't help you with information on easily changing settings depending on your location because I only use my wireless in one place. All I can suggest is to make a shell script which does it for you as stated below. Good luck.

> my suggestion for creating schemes, you could just make a shell script
> that runs the iwconfig/ifconfig stuff for your new location... there may
> be a better way that is more intregated tho...

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