From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.candelatech.com ([208.74.158.172] helo=ns3.lanforge.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WSTd4-0000FT-Nj for ath10k@lists.infradead.org; Tue, 25 Mar 2014 15:51:07 +0000 Message-ID: <5331A5D2.3030004@candelatech.com> Date: Tue, 25 Mar 2014 08:50:42 -0700 From: Ben Greear MIME-Version: 1.0 Subject: Re: Scanning all 5Ghz channels with AC NIC. References: <53307524.8070501@candelatech.com> <20140325144255.GA30784@w1.fi> In-Reply-To: <20140325144255.GA30784@w1.fi> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: "hostap@lists.shmoo.com" , ath10k On 03/25/2014 07:42 AM, Jouni Malinen wrote: > On Mon, Mar 24, 2014 at 11:10:44AM -0700, Ben Greear wrote: >> I notice this issue while trying to scan specific channels with >> an ath10k NIC. >> >> If I configure supplicant to use a specific freq list, it will fail: >> >> 1395683887.458813: nl80211: Scan frequency 5170 MHz >> 1395683887.458823: nl80211: Scan frequency 5180 MHz > ... > > You need to be quite careful when using freq_list. wpa_supplicant will > use exactly what is provided there and if cfg80211 does not like what it > sees, it will reject this. Apparently duplicate entries would hit that > and so would channels that the driver does not support. > > In general, it is much easier to just do "wpa_cli scan freq=4900-6000" > if you just want to scan all the enabled 5 GHz channels. I use the freq_list to effectively disable 2.4Ghz, for instance when trying to force a station to act like /a only instead of /a/b/g. Maybe there is a better way? (I don't often use wpa_cli directly, so that won't help my case...) Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k