Return-path: Received: from mail.atheros.com ([12.36.123.2]:55245 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752268Ab0DLOhN (ORCPT ); Mon, 12 Apr 2010 10:37:13 -0400 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Mon, 12 Apr 2010 07:37:13 -0700 From: Sujith MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Message-ID: <19395.12264.285777.224012@gargle.gargle.HOWL> Date: Mon, 12 Apr 2010 20:06:24 +0530 To: Johannes Berg CC: Sneha Aggarwal , "linux-wireless@vger.kernel.org" Subject: Re: Frame aggregation size configuration in 802.11n In-Reply-To: <1271075716.23799.2.camel@jlt3.sipsolutions.net> References: <1271075716.23799.2.camel@jlt3.sipsolutions.net> Sender: linux-wireless-owner@vger.kernel.org List-ID: Johannes Berg wrote: > > and where all I have to change this parameter to get the desired output? > > That depends on your driver. In iwlwifi, you have to tell the microcode > what to do -- I'm not sure off hand how to (I know there is a parameter > that controls the number of frames in an aggregate, I'm not sure about > the max size but I would think it exists) > > In ath9k you should be able to change it in the driver but I have no > idea how to. > If you do decide to fiddle with ath9k, you can change the aggregate size and the max. no of subframes in an aggregate. See ath_tx_form_aggr() in xmit.c (ATH_AMPDU_SUBFRAME_DEFAULT, nframes, aggr_limit, etc ...) Sujith