Return-path: Received: from smtp.nokia.com ([192.100.122.233]:51375 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752101AbYJTFYn (ORCPT ); Mon, 20 Oct 2008 01:24:43 -0400 To: "Luis R. Rodriguez" Cc: "Johannes Berg" , linux-wireless , "Zhu Yi" , "Tomas Winkler" Subject: Re: Power saving on mac80211 References: <43e72e890810171810t1c65642g998db601cfe2a390@mail.gmail.com> <87bpxh6t1n.fsf@nokia.com> <87y70l59p4.fsf@nokia.com> <1224412006.6324.45.camel@johannes.berg> <871vyc7st7.fsf@nokia.com> <1224434885.6324.49.camel@johannes.berg> <87myh0a1zd.fsf@nokia.com> <43e72e890810191846h46a6b35br4ad61803a25bdf23@mail.gmail.com> From: Kalle Valo Date: Mon, 20 Oct 2008 08:23:49 +0300 In-Reply-To: <43e72e890810191846h46a6b35br4ad61803a25bdf23@mail.gmail.com> (ext Luis R. Rodriguez's message of "Sun\, 19 Oct 2008 18\:46\:28 -0700") Message-ID: <87tzb7j0uy.fsf@nokia.com> (sfid-20081020_072446_724616_D136BE20) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: Luis R. Rodriguez writes: >>> Right. But we need to program the chip to tell the chip "hey please tell >>> me if you haven't seen a beacon in X seconds". >> >> Ah, you mean that timeout. Sorry, I forgot that one altogether. Yes, >> we definitely need that timeout. > > Is this to configure the firmware to report beacon misses so that in > those cases we can inform mac80211? Yes. > And to let mac80211 be aware/be able to set this as a tunable > parameter? Yes. > I wanted to note intel hardware seems to handle parsing beacons in > firmware when is PS mode already and I have no clue when it would > inform mac80211 of a beacon miss and if it does it. Tomas? Oh, cool. I'm not familiar with iwlwifi so I would appreciate any pointers to the sources so that I could take a look at the implementation. Sorry for the short answers, Monday morning... -- Kalle Valo