Return-path: Received: from mail-bk0-f45.google.com ([209.85.214.45]:36511 "EHLO mail-bk0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750943AbaAUGHU convert rfc822-to-8bit (ORCPT ); Tue, 21 Jan 2014 01:07:20 -0500 Received: by mail-bk0-f45.google.com with SMTP id v16so2821061bkz.18 for ; Mon, 20 Jan 2014 22:07:19 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <1390254081.13064.2.camel@porter.coelho.fi> References: <1390227670-19030-1-git-send-email-michal.kazior@tieto.com> <1390227670-19030-7-git-send-email-michal.kazior@tieto.com> <1390254081.13064.2.camel@porter.coelho.fi> Date: Tue, 21 Jan 2014 07:07:19 +0100 Message-ID: (sfid-20140121_070724_975183_DEE17ED7) Subject: Re: [PATCH 6/7] mac80211: deny attempts at using chanctx during CSA From: Michal Kazior To: Luca Coelho Cc: linux-wireless , Johannes Berg Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 20 January 2014 22:41, Luca Coelho wrote: > On Mon, 2014-01-20 at 15:21 +0100, Michal Kazior wrote: >> It was possible to connect STA when AP CSA was in >> progress which clearly was a bug. > > I understand that preventing this simplifies things, but I don't think > it's a bug. If the CSA process takes a long time (ie. several TBTTs), > why not let a new STA associate meanwhile? The new STA knows when to > switch, since it can see the count in the beacons (and probe_responses). This patch prevents a station interface from connecting/associating somewhere. It does not prevent a station from connecting to your AP while it's in CSA. I probably should rephrase the commit message to make it clear. Michał