Re: iwl4965: 11a channels disabled in current wireless-testing

[Helmut Schaa <helmut.schaa@googlemail.com>]

Am Montag 01 März 2010 schrieb Luis R. Rodriguez:
> On Mon, Mar 1, 2010 at 9:46 AM, reinette chatre
> <reinette.chatre@intel.com> wrote:
> > On Sun, 2010-02-28 at 06:34 -0800, Helmut Schaa wrote:
> >> have there been any recent changes to the regulatory stuff, especially
> >> in conjunction with iwlagn?
> >>
> >> Because with wireless-testing I get all 11a channels disabled by default
> >> and the same for channels 12 & 13 in the g-band.
> >
> > This could be related to a change in the default regulatory domain. It
> > used to be US, but now it is world,
> 
> This change actually happened a while ago and the world regulatory
> domain actually enables passive scanning on a lot of channels instead
> of straight out disabling them.

How do channels get disabled then?

> > which is more restrictive. You can
> > modify your regulatory domain using "iw reg set <domain>"
> 
> For Intel, as well as with Atheros cards, cards using 'iw reg set'
> would actually not yield enabling new channels, it would only disable
> channels further.

Right, that's what I can see here as well.

However, I just noticed in dmesg:

iwlagn 0000:10:00.0: Tunable channels: 13 802.11bg, 19 802.11a channels

So it seems the card reports the correct set of channels but it doesn't
get reflected in cfg80211.

Thanks,
Helmut