From owner-freebsd-wireless@FreeBSD.ORG Tue Jul 12 23:27:31 2011 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A212B106564A for ; Tue, 12 Jul 2011 23:27:31 +0000 (UTC) (envelope-from ulsanrub@gmail.com) Received: from mail-iy0-f182.google.com (mail-iy0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id 622AC8FC19 for ; Tue, 12 Jul 2011 23:27:31 +0000 (UTC) Received: by iyb11 with SMTP id 11so6553226iyb.13 for ; Tue, 12 Jul 2011 16:27:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=2D37TxxdBSUqnppL/I5z+uTNBX0kLscohvHjTSfOqgY=; b=KVyj6TWhtIy7e6VvhnSU8d4YOKMK6M0hIxUPFNcSo0FbLib1tEsz2P3oKwlIEiH4vJ iOrSqhFCn4PuRRz9fO0jj5348JeScxxXaIqQQZKkWhkilmum7f61MLQtEIqTq0zbisd2 PvjW23D7/tUMKmne66FeVSd0ZiIDtvxqvgtvk= MIME-Version: 1.0 Received: by 10.231.123.10 with SMTP id n10mr391051ibr.182.1310513250220; Tue, 12 Jul 2011 16:27:30 -0700 (PDT) Received: by 10.231.13.70 with HTTP; Tue, 12 Jul 2011 16:27:30 -0700 (PDT) In-Reply-To: References: Date: Tue, 12 Jul 2011 19:27:30 -0400 Message-ID: From: Kyungsoo Lee To: Adrian Chadd Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-wireless@freebsd.org Subject: Re: Disable CCA X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jul 2011 23:27:31 -0000 Thank you for your kind response. If it is possible to disable CCA, it'd be interesting to see what happened. I set AR_DIAG_IGNORE_CS bit but it doesn't work. If it is impossible to disable CCA, I want to do it with pseudo way like increasing threshold. But I couldn't find the way. Let me know, please. Kyungsoo On Tue, Jul 12, 2011 at 7:06 PM, Adrian Chadd wrote: > I may look at implemnting this later on; but disabling CCA breaks the > standard in many ways. > > It will "burst" though - ie, once it acquires the medium, it'll > transmit for as long as burstTime says so. > > > > adrian > > On 13 July 2011 03:40, Kyungsoo Lee wrote: > > Hi guys, > > > > I'm using TDMA on FreeBSD for wireless LAN. Recently, I found that it > still > > uses CCA. > > > > Is it possible to turn off CCA? Or may I change carrier sense threshold > not > > to detect other's transmissions when the node transmits data packets? > > > > Thanks, > > Kyungsoo > > _______________________________________________ > > freebsd-wireless@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless > > To unsubscribe, send any mail to " > freebsd-wireless-unsubscribe@freebsd.org" > > >