From owner-freebsd-net@FreeBSD.ORG Sun Mar 20 14:53:19 2005 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 62D3216A4CE for ; Sun, 20 Mar 2005 14:53:19 +0000 (GMT) Received: from mail.cs.umn.edu (mail.cs.umn.edu [128.101.34.202]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1B1A843D1D for ; Sun, 20 Mar 2005 14:53:19 +0000 (GMT) (envelope-from jhwang@cs.umn.edu) Received: from localhost (localhost [127.0.0.1]) by augustus.cs.umn.edu (Postfix) with ESMTP id 6A3345C372 for ; Sun, 20 Mar 2005 08:53:18 -0600 (CST) Received: from mail.cs.umn.edu ([127.0.0.1]) by localhost (augustus [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 12389-01-10 for ; Sun, 20 Mar 2005 08:53:17 -0600 (CST) Received: from sensec.cs.umn.edu (sensec.cs.umn.edu [128.101.189.204]) by mail.cs.umn.edu (Postfix) with ESMTP id 345E55C362 for ; Sun, 20 Mar 2005 08:53:17 -0600 (CST) Received: by sensec.cs.umn.edu (Postfix, from userid 1961) id 049C836CF2; Sun, 20 Mar 2005 08:53:16 -0600 (CST) Received: from localhost (localhost [127.0.0.1]) by sensec.cs.umn.edu (Postfix) with ESMTP id EB9173DC38 for ; Sun, 20 Mar 2005 08:53:16 -0600 (CST) Date: Sun, 20 Mar 2005 08:53:16 -0600 (CST) From: Joengmin Hwang To: freebsd-net@freebsd.org Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Virus-Scanned: amavisd-new at cs.umn.edu Subject: Does atheros Hal control CSMA? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Mar 2005 14:53:19 -0000 I am finding the part which control carrier sense (CSMA). I've checked atheros source code and related 802.11 source code. But i cannot find it out. Now i am wondering if it is controlled by HAL. But since HAL is only provided as binary code, i cannot figure it out. I would really appreciate if anyone let me know which part is controlling carrier sense. Is it HAL? Thanks.