[ath9k-devel] Ath9k: changing regulatory domain

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

On Mon, Apr 11, 2011 at 03:33:05AM -0700, Adrien Decostre wrote:
> Hello all,
> 
> I am quite new to the ath9k driver and I am currently trying to use this
> driver for an access point on the 5GHz band.
> 
> The problem is that my card has a regulation domain set to WORA_WORLD 0x6A
> which prevents the card to do active probing on any 5GHz channel. I tried
> setting different country codes but this does not improve the situation, so I
> suspect that the limitation comes from the regulatory domain.
> 
> So I am now looking to a way to adapt the reg_domain on the EEPROM of the
> Wifi card. On some posts, I found references to the ath_info tool to modify
> the reg_domain on the EEPROM but I did not even manage to install this tool
> yet.
> 
> So, would someone know any other method to adapt the reg_domain?
> 
> Thanks in advance for any answers or advices.

Changing your EEPROM is not allowed by regulatory agencies and may require
you to recalibrate your card to conform to different regulatory domains (CTLS).
Because of this this is not something we support today for the end user to do.

  Luis