From owner-freebsd-wireless@FreeBSD.ORG Sun Mar 25 21:50:30 2012 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 D7473106566C for ; Sun, 25 Mar 2012 21:50:30 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-pb0-f54.google.com (mail-pb0-f54.google.com [209.85.160.54]) by mx1.freebsd.org (Postfix) with ESMTP id A3F978FC15 for ; Sun, 25 Mar 2012 21:50:30 +0000 (UTC) Received: by pbcwz17 with SMTP id wz17so5927995pbc.13 for ; Sun, 25 Mar 2012 14:50:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=Khd/0FmrQpk+a3UjkWVr0LJPjTxLzxjOd/mmJF+Vz0o=; b=kMLLO39C00Gr+yTIAnFckLPddTwd1dS0k+8LLmi5pZ5Ybsmyvi4KcWmKuZdhBM7IHp 4ASF6DbdVtUc+pi9ezOKCtofEq6Ig/jESo6RXiPrUXRMtVNIgJEY7TBIu9rXmZnvwPfK w0QaCrqg4lgERE1MLVOAfZ5wx3G0LD3+bOX0uiEDGCXUeYnxq5rgYl1e2yrRJfn538KN kbKemDHiEANSzcxgfpNttVEfyBLycFmiJNzZ6tOab6SKhM920USRPIojIGPURJZJKHLL uSBUUWR4vZjM4CLSa0GdkWQRY1mF/+b4banhkKwYdZlrnOCEkPckKuWksasRIehgrEU/ sS6Q== MIME-Version: 1.0 Received: by 10.68.225.104 with SMTP id rj8mr47539544pbc.135.1332712230235; Sun, 25 Mar 2012 14:50:30 -0700 (PDT) Received: by 10.143.33.5 with HTTP; Sun, 25 Mar 2012 14:50:30 -0700 (PDT) In-Reply-To: References: <4f6f67a7.4a0c440a.3941.ffffc865@mx.google.com> Date: Sun, 25 Mar 2012 14:50:30 -0700 Message-ID: From: Adrian Chadd To: Lytochkin Boris Content-Type: text/plain; charset=ISO-8859-1 Cc: "freebsd-wireless@freebsd.org" Subject: Re: [ath][CURRENT] Triangle-shaped network performance 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: Sun, 25 Mar 2012 21:50:30 -0000 On 25 March 2012 13:41, Lytochkin Boris wrote: > It seems I found a solution, but not the problem :) Why oh why did you set.. > Reverting bintval to it's default value (1000 -> 100) helped a lot: Why'd you do this? 10 beacons a second is fine. 100 beacons a second ? > triangle-shaped ping disappeared. I wonder why that ever happen. > The last thing to fix is idle pings. They are not so good: ~50ms (1ms > while in transfer). That almost feels like some weird interrupt handling issue. Adrian