Return-path: Received: from mail.atheros.com ([12.36.123.2]:48740 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751231AbYJUHUj (ORCPT ); Tue, 21 Oct 2008 03:20:39 -0400 Received: from mail.atheros.com ([10.10.20.105]) by sidewinder.atheros.com for ; Tue, 21 Oct 2008 00:20:39 -0700 From: Sujith MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Message-ID: <18685.33329.121235.399812@gargle.gargle.HOWL> (sfid-20081021_092044_490260_611B979A) Date: Tue, 21 Oct 2008 12:48:09 +0530 To: Tomas Winkler CC: Johannes Berg , "linville@tuxdriver.com" , "linux-wireless@vger.kernel.org" , Luis Rodriguez Subject: Re: [RFC] mac80211: Re-enable aggregation In-Reply-To: <1ba2fa240810201446x429e0b5aud3f20e2fadb19f1@mail.gmail.com> References: <18684.16351.638713.791015@gargle.gargle.HOWL> <1224491480.18024.32.camel@johannes.berg> <18684.18492.94865.480736@gargle.gargle.HOWL> <1224493957.18024.47.camel@johannes.berg> <18684.20459.335157.171344@gargle.gargle.HOWL> <1224495531.18024.55.camel@johannes.berg> <18684.24323.743610.871307@gargle.gargle.HOWL> <1224505349.27899.17.camel@johannes.berg> <18684.51206.771543.514682@localhost.localdomain> <1ba2fa240810201446x429e0b5aud3f20e2fadb19f1@mail.gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Tomas Winkler wrote: > We may fit into this schema, just some of the book keeping tasks here > we have off loaded to the hw. > Can you explain a bit more about what is offloaded exactly ? > > Immediate Block-Ack is mandatory for 11n, delayed BA is optional. > > ath9k currently maintains the BA window state internally too. > > Another candidate that can be moved to mac80211, IMO. > > > > TX or RX side? > ath9k maintains BA state for both RX and TX currently. Sujith