Return-path: Received: from mail-fx0-f158.google.com ([209.85.220.158]:41084 "EHLO mail-fx0-f158.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752047AbZCaMJB (ORCPT ); Tue, 31 Mar 2009 08:09:01 -0400 Received: by fxm2 with SMTP id 2so2400794fxm.37 for ; Tue, 31 Mar 2009 05:08:58 -0700 (PDT) To: Vivek Natarajan Cc: Sujith , linville@tuxdriver.com, linux-wireless@vger.kernel.org, Jouni.Malinen@atheros.com, Luis.Rodriguez@atheros.com Subject: Re: [PATCH 11/17] ath9k: Remove TIM from the interrupt mask References: <18896.38867.997551.983464@gargle.gargle.HOWL> <8763hqnccb.fsf@litku.valot.fi> <8e92b4100903302322t531f5badt84fab14eeab943ff@mail.gmail.com> From: Kalle Valo Date: Tue, 31 Mar 2009 15:08:56 +0300 In-Reply-To: <8e92b4100903302322t531f5badt84fab14eeab943ff@mail.gmail.com> (Vivek Natarajan's message of "Tue\, 31 Mar 2009 11\:52\:15 +0530") Message-ID: <87eiwdsxlz.fsf@litku.valot.fi> (sfid-20090331_140906_499299_8F854716) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: Vivek Natarajan writes: >> This might be useful for beacon filtering. Does the hardware know to >> parse the beacons in more detail, for example ERP protection or WMM >> settings? > > After a quick glance into the datasheet, I understand that the > current version of hardware supports reading TIM, TSF and some more > bits related to DTIM from a beacon. Is the datasheet available somewhere? > As far as this patch is concerned, since ath9k can use mac80211 for > sending a null data frame, it is quite redundant to enable the TIM > interrupt as it can be parsed in mac80211 itself. Sure. But I was thinking the possibility of having beacon filtering in ath9k and then mac80211 wouldn't receive the beacons. -- Kalle Valo