Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:46669 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932522Ab1JDQmT (ORCPT ); Tue, 4 Oct 2011 12:42:19 -0400 Received: by eya28 with SMTP id 28so670028eya.19 for ; Tue, 04 Oct 2011 09:42:18 -0700 (PDT) From: Christian Lamparter To: Adrian Chadd Subject: Re: [RFC 5/6] ath9k: enable DFS pulse detection Date: Tue, 4 Oct 2011 18:42:04 +0200 Cc: Zefir Kurtisi , "Luis R. Rodriguez" , linux-wireless@vger.kernel.org, ath9k-devel@lists.ath9k.org, kgiori@qca.qualcomm.com, nbd@openwrt.org References: <1317637758-11907-1-git-send-email-zefir.kurtisi@neratec.com> <201110041726.40722.chunkeey@googlemail.com> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Message-Id: <201110041842.05218.chunkeey@googlemail.com> (sfid-20111004_184224_429713_32F36C7E) Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tuesday, October 04, 2011 05:57:32 PM Adrian Chadd wrote: > On 4 October 2011 23:26, Christian Lamparter wrote: > > On Tuesday, October 04, 2011 04:50:42 PM Adrian Chadd wrote: > >> Also whilst I'm at it, "SPECTRUM_MANAGEMENT" is a very broad flag to set. > > > > Hm, 802.11-2007 5.4.4 "Spectrum management services" explicitly > > mentions that both services TPC and DFS are required in some > > regulatory domains for operation in the 5 GHz band. > > Right, but just for hostap mode, correct? I'm also thinking about > non-hostap mode support. I don't think it's just hostap mode. More like hostap, IBSS and MESH. In fact, with P2P/Wifi-Direct, the station mode might becoming a thing of the past, right? > > [ Just for fun: Do you know how the AR5418 handled radars in > > the proprietary turbo mode in the 5 GHz band? And how does > > Atheros own driver/stack/etc. deals with this limitation? > > After all Unex sold/sells the DNBA-81 on their product page > > as: > > > > "DNBA-81 is a 802.11n 2x3 2-stream a/b/g dual band wifi > > Cardbus designed specifically for laptops and *access points*/ > > home gateways/consumer electronics/multimedia entertainment > > devices/peripherals with standard Cardbus slot." ] > > Besides, you realise that vendors say the darnest things at times? :) > For example, one well-known vendor lists their AR9160 NICs as DFS > ready (and thus people who buy them think they're DFS ready), but if > you buy some of their MIPS SOC hardware, they only support > OpenWRT+ath9k on it. I'm sure more than a few people fell into that > trap. :) Well, ok. I found a better example: http://www.wikidevi.com/wiki/Apple_AirPort_Extreme_Base_Station_A1143_%28MA073LL/A%29 You see, they put an AR5418(or 6?) with an AR5133 into the first draft-n Apple Airport Base Station. If this much money was involved, do you think that an American Company would "lie" to another American Company? Regards, Chr