From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from wf-out-1314.google.com ([209.85.200.170]:41743 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750914AbZALI5r (ORCPT ); Mon, 12 Jan 2009 03:57:47 -0500 Received: by wf-out-1314.google.com with SMTP id 27so11242943wfd.4 for ; Mon, 12 Jan 2009 00:57:46 -0800 (PST) Message-ID: <8e92b4100901120057n4cea722fo1a78bcbc45341d00@mail.gmail.com> (sfid-20090112_095754_300747_FFCD5537) Date: Mon, 12 Jan 2009 14:27:46 +0530 From: "Vivek Natarajan" To: "Kalle Valo" Subject: Re: [RFC PATCH v1 2/2] mac80211: use ps-poll to request frames in power save mode Cc: johannes@sipsolutions.net, linux-wireless@vger.kernel.org In-Reply-To: <20090111070353.3849.5303.stgit@tikku> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <20090111070148.3849.10799.stgit@tikku> <20090111070353.3849.5303.stgit@tikku> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sun, Jan 11, 2009 at 12:33 PM, Kalle Valo wrote: > When a directed tim bit is set, mac80211 currently disables power save > and sends a null frame to the AP. But if dynamic power save is > disabled, mac80211 will not enable power save again. The patch I had sent earlier, 'mac80211: Reset the power save timer from master_start_xmit' (44378a8e64b9399...) addresses this issue. This enables mac80211 to start the dynamic ps timer after sending a null data frame. Hence when the specified time lapses, power save is enabled again. Vivek.