Return-path: Received: from mail-fx0-f158.google.com ([209.85.220.158]:47759 "EHLO mail-fx0-f158.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751475AbZEVKP0 (ORCPT ); Fri, 22 May 2009 06:15:26 -0400 Received: by fxm2 with SMTP id 2so1557097fxm.37 for ; Fri, 22 May 2009 03:15:26 -0700 (PDT) To: "ffileppo" Cc: "linux-wireless" Subject: Re: mac80211: TDMA approach feasible? References: From: Kalle Valo Date: Fri, 22 May 2009 13:15:24 +0300 In-Reply-To: (ffileppo@libero.it's message of "Fri\, 22 May 2009 12\:12\:00 +0200") Message-ID: <87skixv3yb.fsf@litku.valot.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: "ffileppo" writes: > >> > I was wondering if with mac80211 is now possible (and what effort >> > is needed) to implement a TDMA approach. In particular I would >> > like to: override 802.11 MPDU frame format, eliminate RTS/CTS >> > exchange, eliminate automatic ACK and retransmission, eliminate >> > virtual carrier sense (NAV), control PHY clear channel assessment >> > and control transmission backoff. >> Most of this is usually implemented in firmware, so you need access >> to firmware sources. > > If these features are implemented in firmware, it should be possible > to modify them if using for example Ath5k (which is a completely FOSS > Linux driver) Right? Could you give me any directions? Sorry, I'm not familiar with ath5k. -- Kalle Valo