Return-path: Received: from mail-iw0-f174.google.com ([209.85.214.174]:58168 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753476Ab1EWVnN convert rfc822-to-8bit (ORCPT ); Mon, 23 May 2011 17:43:13 -0400 Received: by iwn34 with SMTP id 34so5178865iwn.19 for ; Mon, 23 May 2011 14:43:13 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <4DDAD3D5.1070001@candelatech.com> References: <4DD6E9B5.3020905@candelatech.com> <4DDA913B.1060002@candelatech.com> <4DDAA9ED.1050606@candelatech.com> <4DDAACF3.3050705@candelatech.com> <4DDABEE9.9090608@candelatech.com> <4DDAC8DC.5060803@candelatech.com> <4DDACF56.9070403@candelatech.com> <4DDAD3D5.1070001@candelatech.com> From: "Luis R. Rodriguez" Date: Mon, 23 May 2011 14:42:53 -0700 Message-ID: (sfid-20110523_234320_006853_A00D03B3) Subject: Re: ath9k 9380: All 5Ghz channels flagged as passive-scanning To: Ben Greear Cc: Mohammed Shafi , "linux-wireless@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, May 23, 2011 at 2:38 PM, Ben Greear wrote: > On 05/23/2011 02:28 PM, Luis R. Rodriguez wrote: >> >> On Mon, May 23, 2011 at 2:19 PM, Ben Greear >>  wrote: > >>> Since it *is* possible to start an AP on a channel with existing AP, >>> I assume that the NIC must be able to handle this properly..or is >>> that ability to start on a scanned channel just a bug?  (Please >>> don't fix it, if it is :P) >> >> It a feature, AP functionality is allowed on that channel on a world >> roaming card given that no CTL is present so the lower regulatory >> value, from CRDA, is used instead of the CTL value. > > So as long as you have a functional CRDA and do not mis-represent > your country with 'iw reg set', Atheros cards have an EEPROM value for a regulatory domain which is always used, regardless of what you tell cfg80211 with 'iw reg set', 'iw reg set' will just help compliance further. > is there any way to > actually get the system out of spec if you use "eeprom" reg-domain of 0x0? No. You can only do this by trying to take the card out of compliance purposely or unknowingly in software. Luis