Subject: Re: [ipw3945-devel] iwl3945: Disabled channels
From: Johannes Berg <johannes@sipsolutions.net>
To: Brian Morrison <bdm@fenrir.org.uk>
Cc: linux-wireless@vger.kernel.org
In-Reply-To: <480CAC55.1000704@fenrir.org.uk> (sfid-20080421_170234_346603_44E35F3C)
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Date: Mon, 21 Apr 2008 17:12:44 +0200
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[Can you please not drop CCs all the time? thanks]

> That makes it all very difficult, I think that an EU domain is OK=20
> provided that there is also a Spanish domain. Or maybe the EU domain=20
> should actually be named ETSI (which was my original preference, it was=20
> John Linville that said EU hence why I used it).

I think we had ETSI in some of the original proposals and I think that
makes much more sense.

> I'll have to see if I can work out what the allowable domains are for=20
> the Ralink RT2500 drivers, under Windows for instance. I know that are=20
> are considerable number of choices, certainly more than US/EU/JP. That=20
> might provide a good clue.

I'm not sure we care that much, we have a huge list somewhere (look for
softmac work in this area from Larry Finger)

> Does anyone know how the EEPROM contents are supposed to work for the=20
> Intel hardware? How they are queried and compared with kernel and=20
> userspace programs?

The EEPROM is queried once and that's all the channels you saw in your
iw dev wlan0 info output, then userspace restricts it further. The
hardware also assumes you never move out of the country you bought it
in.

johannes

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