wireless stuff

David Gibson david at gibson.dropbear.id.au
Fri Dec 14 12:15:39 EST 2001

On Thu, Dec 06, 2001 at 10:59:21AM -0800, Jean Tourrilhes wrote:
> On Thu, Dec 06, 2001 at 08:57:11AM +0100, Stefan Winter wrote:
> > Hello Jean,
> > 
> > > No idea. It doesn't seem to be easilly available from within
> > > the driver (I didn't see any RID to that effect). Moreover, it's
> > > likely to be a proprietary extension. For example, Cisco stuff display
> > > the IP address and not the name.
> > 
> > I've ben looking into this a little. This "name" you get is just the 
> > nslookup'ed IP adress of the access point. If there is no DNS entry in your 
> > nameserver for that IP, you get only the ip. So, the problem is reduced to 
> > "how do I get the AP's IP?"
> > I guess a tcpdump could do this, but thats not a "clean" solution. Any ideas?
> 	RARP ? Not nice either.

There probably isn't a very nice way of doing this in general -
remember an AP doesn't necessasrily have to have an IP at all
(although I dare say they all will in practice).

> > I have come across a completely different thing: a VERY strange 
> > misbehaviour...
> > If  (use an ELSA WLAN ) && (have newest firmware on APs) && (client runs 
> > Linux) && (APs have set an option named "Station surveillance to detect 
> > inactive clients" ) then CLIENT CRASHES WITHOUT NOTICE. For some fellow 
> > students, it is even more strange: on runlevel 3 it crashes, on 5 it does a 
> > reboot...
> > On windows machines, this option doesn't cause any trouble. The error is 
> > reproducable (for weeks now). Now I just don't have any idea why... the 
> > orinoco_cs driver ? maybe the pcmcia core? or even a kernel thing? I don't 
> > have a clue. Can you make anything of this?
> 	Hu ? I don't know about this option. Probably some invalid
> frame comming up the stack. Need to do more checks in rx_handler or
> something.

Oh great, another crash.  Could this be the same as the other one that
came up last week?

David Gibson			| For every complex problem there is a
david at gibson.dropbear.id.au	| solution which is simple, neat and
				| wrong.  -- H.L. Mencken

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