From owner-freebsd-wireless@FreeBSD.ORG Sat Nov 26 01:51:30 2011 Return-Path: Delivered-To: wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 58762106564A; Sat, 26 Nov 2011 01:51:30 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-vw0-f54.google.com (mail-vw0-f54.google.com [209.85.212.54]) by mx1.freebsd.org (Postfix) with ESMTP id EC6AE8FC08; Sat, 26 Nov 2011 01:51:29 +0000 (UTC) Received: by vbbfa15 with SMTP id fa15so5111518vbb.13 for ; Fri, 25 Nov 2011 17:51:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=vwW5JSce0lDseKLCX9/QwCS0ddWodTIBkOIqZbiJeqs=; b=lW1bQgxruC8vg5xEC61cN9QhvNEqrXOzYijHMVvwYNlz6YLw4i3gWmRqBj1lT4k/tv E1P0Mkj+hhdSN4TU+fpZwSGGNMI38Hs0UA2iAk+8IhOiiOVX7AkUhG/1jBVqoeG/eDIT 4rPqTIIj8El+ZOuG4Y+kopC7RuQe2h9ytMeCI= MIME-Version: 1.0 Received: by 10.52.65.77 with SMTP id v13mr35042780vds.95.1322272289285; Fri, 25 Nov 2011 17:51:29 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.52.186.74 with HTTP; Fri, 25 Nov 2011 17:51:29 -0800 (PST) In-Reply-To: <1466587708.20111125164314@serebryakov.spb.ru> References: <1466587708.20111125164314@serebryakov.spb.ru> Date: Sat, 26 Nov 2011 09:51:29 +0800 X-Google-Sender-Auth: bWJFfnKBwIkGUj14dWIMEukqDfY Message-ID: From: Adrian Chadd To: Lev Serebryakov Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: wireless@freebsd.org Subject: Re: Testing 802.11n 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: Sat, 26 Nov 2011 01:51:30 -0000 2011/11/25 Lev Serebryakov : > =A0Latest HEAD (with all your changes), 2 days uptime, only messages in > =A0kernel log: > > wlan0: Ethernet address: f4:ec:38:a3:10:6d > ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA > ... > ath0: stuck beacon; resetting (bmiss count 4) > ar5212StopDmaReceive: dma failed to stop in 10ms > AR_CR=3D0x00000024 > AR_DIAG_SW=3D0x42000020 Sweet. Which NIC(s) are you using again? > =A0On old code I've got "stuck beacon" every hour in idle and every 5 > =A0minutes under load. That's very likely due to the ANI changes I've been slowly porting over. I really would like someone who is interested in the radio side of things to pick up the ANI code as a bit of a personal research project. It's one of the areas of the atheros stuff which is actually well covered in the patent literature and I can help interested people out with it. There's a lot of cool stuff you can affect by tweaking the ANI related parameters (which are all just receive-side radio and baseband parameters to do with signal levels and signal trigger thresholds.) It's actually kind of fun. :) Adrian