Return-path: Received: from na3sys009aog121.obsmtp.com ([74.125.149.145]:59260 "EHLO na3sys009aog121.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751776Ab1JaNKN (ORCPT ); Mon, 31 Oct 2011 09:10:13 -0400 Received: by mail-bw0-f47.google.com with SMTP id zv3so2101599bkb.6 for ; Mon, 31 Oct 2011 06:10:11 -0700 (PDT) Subject: Re: wl1251 and NoA protocol From: Luciano Coelho To: =?ISO-8859-1?Q?Andr=E9s_Garc=EDa?= Saavedra Cc: linux-wireless@vger.kernel.org In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Date: Mon, 31 Oct 2011 15:10:08 +0200 Message-ID: <1320066608.2672.15.camel@cumari> (sfid-20111031_141018_105872_3C09CB47) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, 2011-10-18 at 11:13 +0200, Andrés García Saavedra wrote: > Hi all, > > I would like to test Notice of Absence powersaving protocol for > 802.11abg WLANs on some current android smartphone. My question is > regarding the wl1251 driver implementation for TI chipsets: > > * Does the chipset/current implementation support sleep/awake > triggers? (or at least quiet elements?) -> This means, can I command > the NIC to stay quiet (slept) for certain duration of time? > > My plan is to implement/test a Notice of Absence protocol where the > driver would trigger absent (quiet/sleep) periods according to the > beacon's NoA IE. Ive seen in the code the wl1251_ps_elp_sleep/wakeup > functions that might be reused for this purpose (?) > > * Last (lazy) question. AFAIK only the google dev 1 phone uses this > chipset. Is there any 1ghz android device that could benefit of this > driver? You should look for a device with some newer chip, like the wl1271, for instance. We are currently developing the wl12xx driver (for wl127x and wl128x) a lot more actively than wl1251. Besides, I don't think there's any newer Android phone using wl1251... -- Cheers, Luca.