Return-path: Received: from static-ip-62-75-166-246.inaddr.intergenia.de ([62.75.166.246]:45412 "EHLO vs166246.vserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030778AbXBOT51 (ORCPT ); Thu, 15 Feb 2007 14:57:27 -0500 From: Michael Buesch To: James Ketrenos Subject: Re: IPW2200 monitoring FW broken Date: Thu, 15 Feb 2007 20:57:11 +0100 Cc: linux-wireless@vger.kernel.org, Zhu Yi References: <200702151840.16963.mb@bu3sch.de> <200702152020.28131.mb@bu3sch.de> <45D4A175.8060207@linux.intel.com> In-Reply-To: <45D4A175.8060207@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Message-Id: <200702152057.11195.mb@bu3sch.de> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thursday 15 February 2007 19:07, James Ketrenos wrote: > Michael Buesch wrote: > > On Thursday 15 February 2007 18:43, James Ketrenos wrote: > >> Michael Buesch wrote: > >>> On Thursday 15 February 2007 17:35, James Ketrenos wrote: > >>>> you can't update the packet capture > >>>> window or you'll lose packets; but you should be able to get them all if > >>>> you're doing a tethereal > somefile or if you turn off the update of the > >>>> main window. > >>> "update of the packet capture window". What's that? > >>> I started a simple traffic monitoring in wireshark. Nothing fancy. > >> In the 'Capture Options', the only option you can set is 'Hide capture > >> info dialog'. If you turn on 'Update list of packets in real time' or > >> 'Automatic scrolling in live capture', packets get dropped. I don't > >> know if its a libpcap queue that fills up, if it starves the NIC, or > >> what--but having those turned on greatly reduces the # of packets you'll > >> capture. > > > > Hm, yeah. I have that turned on. But I don't see this issue > > when monitoring with bcm43xx hardware. > > > > I had read about it on a libpcap forum a while ago (it wasn't an ipw2x00 > issue that was being discussed); I never looked into the root cause of > it since I figured it was 'just the way it was'. > > If you turn it off, does the # of packets captured improve w/ the ipw2200? No. packet (beacon) sequence numbers from my AP are: 201, 202, 204, 205, 206, 209... Just as an example. -- Greetings Michael.