Return-path: Received: from mail-iy0-f174.google.com ([209.85.210.174]:52633 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751235Ab2DSCld convert rfc822-to-8bit (ORCPT ); Wed, 18 Apr 2012 22:41:33 -0400 Received: by iagz16 with SMTP id z16so11269857iag.19 for ; Wed, 18 Apr 2012 19:41:33 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <4F630AEA.10703@etit.tu-chemnitz.de> <20120316204547.GG18861@tux> <4F63BA31.1080608@etit.tu-chemnitz.de> <4F856449.3000804@etit.tu-chemnitz.de> <1334203508.3788.12.camel@jlt3.sipsolutions.net> <4F868732.1030401@etit.tu-chemnitz.de> <1334714536.3725.33.camel@jlt3.sipsolutions.net> <4F8ED849.4020002@sipsolutions.net> Date: Thu, 19 Apr 2012 10:41:33 +0800 Message-ID: (sfid-20120419_044141_218755_2E09AFD3) Subject: Re: [Greenmesh] [ath9k] mesh powersave hardware sleep + wakeup From: Yeoh Chun-Yeow To: Javier Cardona Cc: Johannes Berg , linux-wireless@vger.kernel.org, henry@logout.com, "greenmesh@lists.osll.spb.ru" , "Luis R. Rodriguez" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi, Javier > Now we know what hardware *not* to use for this What is the hardware that you referred to? Please advice. Thanks Regards, Chun-Yeow On Wed, Apr 18, 2012 at 11:16 PM, Javier Cardona wrote: > On Wed, Apr 18, 2012 at 8:05 AM, Johannes Berg > wrote: >> On 4/18/2012 7:56 AM, Javier Cardona wrote: >>> >>> On Tue, Apr 17, 2012 at 7:02 PM, Johannes Berg >>> ?wrote: >>>> >>>> (...) >>>> Keep in mind that TSF == start of TSF field, while rx_status->timestamp >>>> == start of first symbol, which I didn't even remember when you guys did >>>> all the Toffset things, I'm guessing they're all wrong :-) >>> >>> >>> I think you guessed wrong :) >> >> >> Nice! FWIW, our hardware (not that the driver supports mesh now) will give >> the timestamp at the first symbol of the MPDU, so some more offset >> calculations are needed and we don't give valid timestamps today. I started >> working on this but haven't figured out HT preamble duration yet. > > Thanks for letting us know. ?Now we know what hardware *not* to use for this :P > > Javier > _______________________________________________ > Greenmesh mailing list > Greenmesh@lists.osll.spb.ru > http://lists.osll.spb.ru/mailman/listinfo/greenmesh