From owner-freebsd-wireless@FreeBSD.ORG Sat Mar 29 21:16:51 2014 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4F3C4379 for ; Sat, 29 Mar 2014 21:16:51 +0000 (UTC) Received: from mail-qc0-x22d.google.com (mail-qc0-x22d.google.com [IPv6:2607:f8b0:400d:c01::22d]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0A9C0CC8 for ; Sat, 29 Mar 2014 21:16:50 +0000 (UTC) Received: by mail-qc0-f173.google.com with SMTP id r5so7504769qcx.32 for ; Sat, 29 Mar 2014 14:16:50 -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=7RuIfg2BJ64z4ivc9ssJSPTr3gQQzhTohDlf1YbzBKU=; b=F+5pvA4mPlXfsB6EPSDeG/OYjJ/V6B1I4c0kCYszAgO73BI3WWJFHdD5sTvrdTl62A WFKv4xnPqXLsicnXFnJKAKkEXJFq2i2sy6/HkgRm6ksmFjS2sUEGuWxS+Im20mlVmUyQ oQWY6PZUzzN5m4DU8yY3rxjSWzky6wxDX+u1LRbSIWWRtL8z41F7g+XlcUXv8NoZHLTz v97zJzOc6NMm2OVh6pn3VEsLnAnRWow/y1STDPierVDRGx/6kUke4I8mNJ6er4KSpvhY JN+Ifm7PwpVE9DZrgvuUzqWzGVhXD2Wx9AI53qP924Kpe1K6zSFZcxu5BOzIhBsYuuVZ dGXw== MIME-Version: 1.0 X-Received: by 10.224.93.10 with SMTP id t10mr2881075qam.82.1396127810149; Sat, 29 Mar 2014 14:16:50 -0700 (PDT) Received: by 10.224.50.143 with HTTP; Sat, 29 Mar 2014 14:16:50 -0700 (PDT) In-Reply-To: References: <20140314230013.GA25473@ns.umpquanet.com> <20140315010640.GB65392@ns.umpquanet.com> Date: Sat, 29 Mar 2014 14:16:50 -0700 Message-ID: Subject: Re: Poor performance w/Intel 2200BG (iwi) on FreeBSD 9.2 From: Adrian Chadd To: Jim Long Content-Type: text/plain; charset=ISO-8859-1 Cc: "freebsd-wireless@freebsd.org" X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.17 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, 29 Mar 2014 21:16:51 -0000 .. so, even if i blank the receive buffer, the NIC is copying some old RX data into it, then the only information that's valid is actually the link quality (ie, how much time the link has been silent or not.) Which I guess is what the LINK_DETERIORIATION notification is. I wish I knew how to tell the NIC to send me actual statistics from the NIC. I've emailed the Linux ipw maintainer to see if he has any ideas. If not then I'm afraid I'm done, sorry. :( -a