Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934874AbXLQJve (ORCPT ); Mon, 17 Dec 2007 04:51:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762985AbXLQJvZ (ORCPT ); Mon, 17 Dec 2007 04:51:25 -0500 Received: from vs166246.vserver.de ([62.75.166.246]:45591 "EHLO vs166246.vserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763452AbXLQJvY (ORCPT ); Mon, 17 Dec 2007 04:51:24 -0500 From: Michael Buesch To: mvtodevnull@gmail.com Subject: Re: [PATCH 3/3] net: wireless: bcm43xx: big_buffer_sem semaphore to mutex Date: Mon, 17 Dec 2007 10:49:05 +0100 User-Agent: KMail/1.9.6 Cc: "Larry Finger" , "Rafael J. Wysocki" , "Daniel Walker" , "Ray Lee" , "Simon Holm =?iso-8859-1?q?Th=F8gersen?=" , matthias.kaehlcke@gmail.com, linux-kernel@vger.kernel.org, linux@bohmer.net, "Ingo Molnar" , kjwinchester@gmail.com, jonathan@jonmasters.org, akpm@linux-foundation.org, bcm43xx-dev@lists.berlios.de References: <20071213003028.676998182@mvista.com> <47661CA1.3080808@lwfinger.net> <520b60a90712162317r5c2f2569gbd75c09742ff5493@mail.gmail.com> In-Reply-To: <520b60a90712162317r5c2f2569gbd75c09742ff5493@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200712171049.06291.mb@bu3sch.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1559 Lines: 30 On Monday 17 December 2007 08:17:58 mvtodevnull@gmail.com wrote: > On Dec 17, 2007 1:52 AM, Larry Finger wrote: > > > > One major difference between bcm43xx-SoftMAC and b43-mac80211 is that the former always used a fixed > > rate; whereas mac80211 tries to adjust the bit rate according to the transmission conditions. > > Perhaps it isn't working quite right in your case because of some peculiarity of your AP. IIRC, you > > have an 802.11b AP. If so, you will get the same bit speed behavior for mac80211 as for bcdm43xx by > > issuing a 'sudo iwconfig eth1 rate 11M' command. > > I don't know what happened before, but after a reboot, I can't repeat > the 200 kB/s speed. It's back down to 40 kB/s, just like originally. I > didn't move the laptop, or the ap, the only thing I can think of that > might have changed is the noise level. FWIW, link quality is > consistently the same or better with b43. > > Anyway, I'd noticed before that the bit rate starts at 1 Mb/s and > quickly scales to 11 Mb/s, but I tried setting it manually anyway and > didn't see any change. In fact, I set the rate to 5.5 Mb/s as well as > 1 Mb/s and the download speed was the same with all three (around > 30-40 kB/s). Are you working with wireless-2.6's #everything branch? -- Greetings Michael. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/