Return-path: Received: from nbd.name ([46.4.11.11]:56122 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752612Ab1HZPAN (ORCPT ); Fri, 26 Aug 2011 11:00:13 -0400 Message-ID: <4E57B4F4.9080007@openwrt.org> (sfid-20110826_170017_933792_A0672288) Date: Fri, 26 Aug 2011 17:00:04 +0200 From: Felix Fietkau MIME-Version: 1.0 To: Rajkumar Manoharan CC: linville@tuxdriver.com, linux-wireless@vger.kernel.org Subject: Re: [PATCH 2/2] ath9k_hw: Fix slottime with coverage class References: <1314283522-6143-1-git-send-email-rmanohar@qca.qualcomm.com> <1314283522-6143-2-git-send-email-rmanohar@qca.qualcomm.com> <4E566BE3.3080907@openwrt.org> <20110826133200.GA17491@vmraj-lnx.users.atheros.com> In-Reply-To: <20110826133200.GA17491@vmraj-lnx.users.atheros.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 2011-08-26 3:32 PM, Rajkumar Manoharan wrote: > On Thu, Aug 25, 2011 at 05:36:03PM +0200, Felix Fietkau wrote: >> On 2011-08-25 4:45 PM, Rajkumar Manoharan wrote: >> >The commit b6ba41bb27eb9810d54e2301355ce56fd0e94a1a updates >> >acktimeout wihout updating slottime when coverage class is defined >> >as per IEEE 802.11-2007 17.3.8.6. >> > >> >Signed-off-by: Rajkumar Manoharan >> I intentionally left the coverage class out of the hw slot time >> setting, because increasing slot time too much causes severe >> throughput issues. I've observed this even with relatively minor >> coverage class settings (e.g. for 2 km) on AR9160 and AR9280. I >> haven't tested AR9380 though. >> > Which band have you tested on AR9280? Both.