Return-path: Received: from na3sys009aog111.obsmtp.com ([74.125.149.205]:39460 "EHLO na3sys009aog111.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752505Ab2AZPu4 (ORCPT ); Thu, 26 Jan 2012 10:50:56 -0500 Received: by mail-ww0-f41.google.com with SMTP id dt11so158958wgb.0 for ; Thu, 26 Jan 2012 07:50:54 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <201201261510.18387.chunkeey@googlemail.com> References: <1327581484-22047-1-git-send-email-victorg@ti.com> <1327581484-22047-10-git-send-email-victorg@ti.com> <201201261510.18387.chunkeey@googlemail.com> Date: Thu, 26 Jan 2012 17:50:54 +0200 Message-ID: (sfid-20120126_165059_970666_2CBBE15A) Subject: Re: [RFC 9/9] mac80211: add DFS support to monitor interface From: "Goldenshtein, Victor" To: Christian Lamparter Cc: linux-wireless@vger.kernel.org, kgiori@qca.qualcomm.com, mcgrof@frijolero.org, zefir.kurtisi@neratec.com, adrian.chadd@gmail.com, j@w1.fi, johannes@sipsolutions.net, coelho@ti.com, assaf@ti.com, yoni.divinsky@ti.com, igalc@ti.com, adrian@freebsd.org, nbd@nbd.name Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Jan 26, 2012 at 4:10 PM, Christian Lamparter wrote: > > Hey, that's great! > > I have one question: Wasn't the monitor interface [for AP mode] being > rendered obsolete by Johannes cfg80211-internal-ap-mlme work? If so, > then we could save us the work here, right? Yep, you're right. > BTW, what about cfg80211_can_beacon_sec_chan in net/wireless/chan.c? > I think it needs to be updated or else we can't have HT40 [secondary > channels] on frequencies which require DFS. DFS is not supported with HT40 in this initial release, updating the cfg80211_can_beacon_sec_chan is not enough, we should also check that there is no radar interference on the secondary channel (if it's a radar channel). -- Thanks, Victor.