Return-path: Received: from yw-out-2324.google.com ([74.125.46.29]:28011 "EHLO yw-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754723AbYKEUnH (ORCPT ); Wed, 5 Nov 2008 15:43:07 -0500 Received: by yw-out-2324.google.com with SMTP id 9so116548ywe.1 for ; Wed, 05 Nov 2008 12:43:06 -0800 (PST) Message-ID: <43e72e890811051243y65f8b51cy2f80279ecbebc8e4@mail.gmail.com> (sfid-20081105_214324_604741_07550D14) Date: Wed, 5 Nov 2008 12:43:06 -0800 From: "Luis R. Rodriguez" To: "Johannes Berg" Subject: Re: Thoughts about mac80211 client PS implementation Cc: "Kalle Valo" , linux-wireless@vger.kernel.org, "Felix Fietkau" In-Reply-To: <1225917235.3619.180.camel@johannes.berg> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 References: <87k5bhkjf1.fsf@nokia.com> <1225917235.3619.180.camel@johannes.berg> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Nov 5, 2008 at 12:33 PM, Johannes Berg wrote: > On Wed, 2008-11-05 at 22:27 +0200, Kalle Valo wrote: BTW who defines "Dynamic Power Save"? Is there a standard approach or more an implementation approach to the concept of doing PS while active? >> PS should be disabled while associated and running software scan, and >> naturally re-enabled after the scan has finished. I assume hardware >> scanning implementations are clever enough to disable PS when scanning >> and we don't have to worry about that case. BTW we need to check if in ath5k/ath9k if the beacon miss interrupt will actually be triggered *if* the beacon filter is *off*. Not sure about this yet. Also I'm not sure if triggering scanning will enable beaconing filter in our hardware if its off and then disable it after scanning too. Luis