From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from charlotte.tuxdriver.com ([70.61.120.58]:45779 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751196AbaEVSpJ (ORCPT ); Thu, 22 May 2014 14:45:09 -0400 Date: Thu, 22 May 2014 14:30:08 -0400 From: "John W. Linville" To: Ben Greear Cc: "linux-wireless@vger.kernel.org" Subject: Re: Question on regulatory settings. Message-ID: <20140522183007.GE12779@tuxdriver.com> (sfid-20140522_204526_936321_E0B79282) References: <537E2ABB.6030302@candelatech.com> <537E36E3.6040205@candelatech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <537E36E3.6040205@candelatech.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, May 22, 2014 at 10:41:55AM -0700, Ben Greear wrote: > On 05/22/2014 09:50 AM, Ben Greear wrote: > > Hello! > > > > I'm having issues where when we add several ath10k NICs to a system, > > the regulatory domain goes quite restricted.. There is an ath9k NIC > > with eeprom over-ride hack, and user-space sets regdomain to 'US'. > > > > Later, when registering ath10k, at least one of those NICs registeres > > as 'TW'. The ending domain looks like this: > > > > [root@lf1011-13060017 ~]# iw reg get > > country 98: DFS-UNSET > > (2402 - 2472 @ 40), (N/A, 30) > > (5270 - 5330 @ 40), (N/A, 17), DFS > > (5735 - 5835 @ 80), (N/A, 30) > > > > > > I tried adding a hack to ath10k to zero out the ar->ath_common.regulatory.current_rd, > > but in fact it seems to be reported as zero to begin with. > > > > I am obviously missing something. Either my hacks to ath10k are not > > sufficient, or possibly the system is getting regulatory info from > > somewhere else? > > > > Any ideas where else it might be getting the idea it should be in TW > > domain? Can it get this from beacons from other systems? FWIW, yes it can get this information from beacons. > Ahh, sneaky nasty code....it was being set based on the timezone > of all things! You're welcome... ;-) > Looks like you can override this behaviour with the command > below if you are of a mind to do so: > > echo COUNTRY=US > /etc/sysconfig/regdomain I don't know any better way to set a reasonable default for the regulatory domain. If you have other suggestions, I'd be interested in hearing them. Thanks, John -- John W. Linville Someday the world will need a hero, and you linville@tuxdriver.com might be all we have. Be ready.