From owner-freebsd-current@FreeBSD.ORG Fri Apr 24 18:06:29 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EED681065670 for ; Fri, 24 Apr 2009 18:06:29 +0000 (UTC) (envelope-from yunyejin@gmail.com) Received: from mail-gx0-f220.google.com (mail-gx0-f220.google.com [209.85.217.220]) by mx1.freebsd.org (Postfix) with ESMTP id 567A88FC08 for ; Fri, 24 Apr 2009 18:06:28 +0000 (UTC) (envelope-from yunyejin@gmail.com) Received: by gxk20 with SMTP id 20so2547058gxk.19 for ; Fri, 24 Apr 2009 11:06:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type:content-transfer-encoding; bh=TXBomqdqTTf06VfnoSf11p97b8tbUtiIO/RhHJMlZN4=; b=OYexnrZHcPvJjrJkhfGSdl5aPFOU1ZJAlcsIwIgEXn4/OIZgLiig9c5itiKJYNDJJU YfTwtsggXhedNDYhdHqndgr8O5O4YJ7Jj+VcIPXWWIUwDwLBwnBh8sY/gjpAqjzs2Lpz VR6UpHnJ8bHO7BAeye/YYKZKG+y2xUJL3ZpaE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=X0NgLRFCvOjPFdtMmamLQtr87XAQaJHbf8Av6wbI07Xv/YFdDVYueIxfe+E0xRVdau D9GVP2Se8WvfZN1iTH52dGUtuigKbqhGNwoVTQbuyQg4L1MqfVBnt2uY1FZeKGq3jJXg oFo0RrhPYSta5zv0Cv8FzxWuI1l/8QS09Whfw= MIME-Version: 1.0 Received: by 10.151.144.15 with SMTP id w15mr4164110ybn.0.1240594566996; Fri, 24 Apr 2009 10:36:06 -0700 (PDT) Date: Sat, 25 Apr 2009 01:36:06 +0800 Message-ID: From: Jin YunYe To: freebsd-current@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Is Channel Estimation or Channel Impulse Response information accessible from Atheros HAL X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Apr 2009 18:06:30 -0000 Dear all I am doing a research project in which I need to retrieve some physical layer signal parameters from the wireless adapter/wireless router. Specifically, I want to get the receiver Channel Estimation information or Channel Impulse Response from the receiver hardware. Therefore, I would like to ask whether there are any API functions or system calls in the HAL that I can use to get these information? Thanks a lot! YY