Return-path: Received: from crystal.sipsolutions.net ([195.210.38.204]:59067 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754100AbXKSOsu (ORCPT ); Mon, 19 Nov 2007 09:48:50 -0500 Subject: Re: [RFC] b43: multiple MAC addresses support From: Johannes Berg To: Jouni Malinen Cc: Kalle Valo , Michael Buesch , linux-wireless , Ben Greear , Michael Wu , Jiri Benc In-Reply-To: <20071118230237.GB8672@jm.kir.nu> References: <1194572631.4793.64.camel@johannes.berg> <1194605550.4793.93.camel@johannes.berg> <20071111025808.GK4031@jm.kir.nu> <87pryfd8cc.fsf@nokia.com> <1194953217.9116.38.camel@johannes.berg> <20071118230237.GB8672@jm.kir.nu> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-nNsroS6cvwX33XaaJRJI" Date: Mon, 19 Nov 2007 15:50:07 +0100 Message-Id: <1195483807.8642.14.camel@johannes.berg> (sfid-20071119_144853_939270_CC7E815D) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-nNsroS6cvwX33XaaJRJI Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sun, 2007-11-18 at 15:02 -0800, Jouni Malinen wrote: > On Tue, Nov 13, 2007 at 12:26:57PM +0100, Johannes Berg wrote: >=20 > > The N800 and similar devices only wake up at DTIM beacons, right? So > > another idea would be to burst beacons but make sure the DTIM beacon > > time doesn't fluctuate away from the DTIM TBTT. This would be possible > > by changing the order of the beacons and adjusting the DTIM count so > > that the beacon with DTIM count zero is always the first. >=20 > This could be an improvement for small number of BSSes, but if the DTIM > period starts going up, the delay in sending out multicast/broadcast > frames may not be acceptable anymore depending on application. Well even if you have a larger number of BSSes you can spread the DTIm 0 beacons across the periods so that you have a few but not all DTIM 0 beacons at one time. And that's still an improvement over currently used schemes. johannes --=-nNsroS6cvwX33XaaJRJI Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIVAwUAR0GinaVg1VMiehFYAQKBSw//QHKdpyAQSwNy6oOgi6pHySsRgFezUI5t Bg6MsfeLF34bUrpRoeNwWB5n2bVft4nyycYVY9ABocoLMd044WHVompWLXQ6OLx2 Av+XKUn3o1zs0WtWn+kkY+U8xtcoLtSPbvcqWftdKQDkdYpIXT4UN/evmeExUISS oelqaAcOR/Gq90YNVm165vXLwOlWxFEcYh8eoa3dmcpP5pBqFrQAYmnn0VFKVxWX MnP/Ve13NosNDTXEzPccUA+dP/AXzS/NlEf4Tph7s/DIM2nBww2wbhDmXiPCcusI 1S/vcXLbdqlyhDG/xKY0NPHv1KisF1HheDwi+Dnk1vhnPgUahLUzS+CZ+2eWWEeS oPQ+42U3F72szpXChJzWNgWfmHpVmAgwUKEXLAcLWElBac8gTCqp8YAagQL3K5r/ nP/rmVixoH2AwUZvb+Wgjre4TPiNgjItc7OIctfsqXIfIQIqU6bLq/b+UHPSmR94 JzKBEOH0EvOv1CVTJ5qRGXv1xGquvzYZDlIwWLn1vWxJwK4iRjrg/Ilh17xQouwD UgblswCyXCtuzoBrXKIiK/8wQ1acy/7xjGNjmsRghnM8rJS1yYuSv4CfOFLq1UZa xsxe/NoU4IwdYOuC0ykc/mbmjcsL1IriLOOCHneU1G4Wco3xFqs9PqglUdzfDc+L 0sfmgmuX9Vw= =XYq8 -----END PGP SIGNATURE----- --=-nNsroS6cvwX33XaaJRJI--