Return-path: Received: from mms3.broadcom.com ([216.31.210.19]:2737 "EHLO MMS3.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753690Ab2FCUqE (ORCPT ); Sun, 3 Jun 2012 16:46:04 -0400 Message-ID: <4FCBCCFC.7000905@broadcom.com> (sfid-20120603_224608_952298_105DD702) Date: Sun, 3 Jun 2012 22:45:48 +0200 From: "Arend van Spriel" MIME-Version: 1.0 To: "Seth Forshee" cc: "Brett Rudley" , "linux-wireless@vger.kernel.org" , "Roland Vossen" , "Franky (Zhenhui) Lin" , "Kan Yan" , "Pieter-Paul Giesberts" , "John W. Linville" Subject: Re: [PATCH 05/10] brcm80211: smac: remove DFS channels from 5GHz band References: <1338567336-12076-1-git-send-email-seth.forshee@canonical.com> <1338567336-12076-6-git-send-email-seth.forshee@canonical.com> <2D7FF7D769509245B7AD0DB511D0FD3A17AB30@SJEXCHMB09.corp.ad.broadcom.com> <20120601181625.GA31517@thinkpad-t410> In-Reply-To: <20120601181625.GA31517@thinkpad-t410> Content-Type: text/plain; charset=iso-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 06/01/2012 08:16 PM, Seth Forshee wrote: > On Fri, Jun 01, 2012 at 05:52:55PM +0000, Brett Rudley wrote: >> >> Not quite understanding this. Why does a STA need radar detection when the NO_IBSS flag is set? > > Arend specifically suggested removing these channels due to lack of DFS > support [1]. I replied asking whether it was at least possible to detect > radar presence and stop transmitting in order to be able to use these > channels. The last response from Arend was that he was going to check on > the firmware capabilities. I did not follow up with you, but I exchanged some emails with Brett on this. As brcmsmac does not support AP mode (yet) it does not need radar detection. Detection and appropriate action is coordinated by the AP. > I'm more than happy to drop this patch if there's not regulatory > impedement to operating on the DFS channels. > Let's drop it then. Sorry for not informing you sooner. I will have a look at the other patches as well. Gr. AvS