Return-path: Received: from emh07.mail.saunalahti.fi ([62.142.5.117]:59254 "EHLO emh07.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754704AbaAVPN4 (ORCPT ); Wed, 22 Jan 2014 10:13:56 -0500 Message-ID: <1390403634.4189.39.camel@porter.coelho.fi> (sfid-20140122_161359_883315_8E79AD84) Subject: Re: [PATCH 5/7] mac80211: improve CSA locking From: Luca Coelho To: Johannes Berg Cc: Michal Kazior , linux-wireless Date: Wed, 22 Jan 2014 17:13:54 +0200 In-Reply-To: <1390403432.4334.33.camel@jlt4.sipsolutions.net> References: <1390227670-19030-1-git-send-email-michal.kazior@tieto.com> <1390227670-19030-6-git-send-email-michal.kazior@tieto.com> <1390316761.6199.27.camel@jlt4.sipsolutions.net> <1390380726.4334.4.camel@jlt4.sipsolutions.net> <1390382020.4334.17.camel@jlt4.sipsolutions.net> (sfid-20140122_111301_086907_C6814DB8) <1390385995.4334.27.camel@jlt4.sipsolutions.net> <1390394166.4189.28.camel@porter.coelho.fi> <1390403432.4334.33.camel@jlt4.sipsolutions.net> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, 2014-01-22 at 16:10 +0100, Johannes Berg wrote: > On Wed, 2014-01-22 at 14:36 +0200, Luca Coelho wrote: > > > I don't think we should try to merge the channel switches. We should > > just perform them separately, especially because the exact time of the > > switch will most likely not be the same (since the TBTTs are not in > > sync). > > Do you mean that we shouldn't even have all that new API to switch > multiple interfaces simultaneously? Right, I'm not really sure it's necessary. PErhaps with non-chanctx we need something like that, but maybe it would still be better not to do this in the nl80211 API, but sync/merge in cfg80211/mac80211? -- Luca.