[ath9k-devel] AR9280 Force 5ghz or disable 2.4ghz?

[Luis R. Rodriguez <lrodriguez@atheros.com>]

On Fri, Mar 26, 2010 at 07:02:40PM -0700, Jouni Malinen wrote:
> On Fri, 2010-03-26 at 16:16 -0700, Pavel Roskin wrote:
> > I confirm that scan_freq is accepted by the current wpa_supplicant but
> > has no reliable effect.  Both ath5k and ath9k connected to an AP on the
> > channel 6 when "scan_freq=2412" was in the configuration file.
> 
> scan_freq is not supposed to limit the association to specific channels;
> it is only to limit scan requests made by wpa_supplicant. You may still
> find BSSes on other channels either due to scan requests made by other
> programs or by receiving Beacon/Probe Response frames on another
> channel.
> 
> If there is interest for limiting the association to specific channels,
> it should be trivial addition to wpa_supplicant (with nl80211). I don't
> know whether I would fully agree on this being a useful thing for
> general use, but I can understand it at least as a testing tool (which
> people may then misuse for other things ;-).

We could add a new command to disable a channel. That would take
care of custom channel configurations.

  Luis