From owner-freebsd-net@FreeBSD.ORG Sat May 2 13:17:36 2009 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 81219106566B for ; Sat, 2 May 2009 13:17:36 +0000 (UTC) (envelope-from onemda@gmail.com) Received: from mail-fx0-f162.google.com (mail-fx0-f162.google.com [209.85.220.162]) by mx1.freebsd.org (Postfix) with ESMTP id DD0198FC13 for ; Sat, 2 May 2009 13:17:35 +0000 (UTC) (envelope-from onemda@gmail.com) Received: by fxm6 with SMTP id 6so2729007fxm.43 for ; Sat, 02 May 2009 06:17:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=OTTbnEhci8ouNt9Gdja2Te2QXRs/VPA8P3Bi3y/SDRE=; b=fUO39utXQ/h0TT8VOdILes32U4y30tse7LWXCOkEIHGX2zwAXDPK5OgWbJHu4uujDs SBgLfZ0saRj5/OjkXWPDPi+tlUSGqB9ZVGfWS6w7MNS+v6dY+HgKFZVEygRcgRIUbxJW hxtmXL9I/jve8V6ubTYZVLMv+U6KRblUNiZ5Q= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=GdV0VRqnyB5GaqxuG0fmrWn9Xx3CtSNqBu0WsdSD+pDaPQX7wf3W2uQNW3wm00sXvE Z89rgDlMFHDy5zChCoJoAnF1m5jYywIub/6Io9SRwWE+HKOPKd5kS02rcCIGE9LhmD3w jeJXwQxIrcBPr5rU+xiZnMnkxQ5T4e9g99F4I= MIME-Version: 1.0 Received: by 10.239.171.143 with SMTP id w15mr188228hbe.119.1241270254908; Sat, 02 May 2009 06:17:34 -0700 (PDT) In-Reply-To: <49FBF9B5.40800@entel.upc.edu> References: <49FA2E3F.9050108@entel.upc.edu> <3a142e750905010655i5e56282eu240e13f2a03dfb02@mail.gmail.com> <49FB55A3.605@entel.upc.edu> <3a142e750905011716g39ea55f0kd081bfdd55709b37@mail.gmail.com> <49FBF9B5.40800@entel.upc.edu> Date: Sat, 2 May 2009 15:17:34 +0200 Message-ID: <3a142e750905020617y40f62463ma91b46a015b2b2ab@mail.gmail.com> From: "Paul B. Mahol" To: Gustau Perez Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org Subject: Re: Signal sensitivity problem with if_rum X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 May 2009 13:17:36 -0000 On 5/2/09, Gustau Perez wrote: > >>> Any idea if is there anything to change/tune ? >>> >> >> There is not just bbp17 to tune there are probably others much more >> important >> registers. >> >> But as I already mentioned that code is completly missing. >> >> > I was not talking about autotuning features, which are missing as you > pointed. Was talking > just about changing/tuning values of some registers to increase > reception sensitivity. > > The people of linux, seem to have increased the sensitivity by > modifing bbp17 and disabling > autotuning. I tried with bbp17 and for the autotuning disabled, well, we > already have it > implemented :) (just joking) Anyway, giving that I didn't get an > increase of sensitivity, I think we'll > need the help of the developers. > > Well, this morning will try to increase sensitivity of those usb rum > with a linux system, just to check > what they say here : That information is misleading, I remmember reading somewhere that linux rt73 had similar problems like rum but it got fixed, and is not present in new kernels. I think that problem originated for linux from now obsolete drivers. On what linux version and what drivers version do you experience similar problems with signal sensitivity like with rum? -- Paul