Return-path: Received: from crystal.sipsolutions.net ([195.210.38.204]:55096 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965234AbXBTIXr (ORCPT ); Tue, 20 Feb 2007 03:23:47 -0500 Subject: Re: Capture of unsuccessful ARP exchange From: Johannes Berg To: Pavel Roskin Cc: Jouni Malinen , Bcm43xx-dev@lists.berlios.de, linux-wireless@vger.kernel.org In-Reply-To: <1171938483.10139.13.camel@dv> References: <1171935085.8133.42.camel@dv> <20070220015851.GE5279@jm.kir.nu> <1171938483.10139.13.camel@dv> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-iX0xcU1TNJt78vL2ywTv" Date: Tue, 20 Feb 2007 09:23:35 +0100 Message-Id: <1171959815.15489.75.camel@johannes.berg> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-iX0xcU1TNJt78vL2ywTv Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2007-02-19 at 21:28 -0500, Pavel Roskin wrote: > My first assumption was that the field QoS confuses it, but looking at > the code, it's more likely a low-level problem. =20 bcm43xx firmware can definitely handle QoS. > I'll try to see if the > frame is even seen by the driver. I would expect you to find that it is not, but just run a monitor interface in addition. > I agree. The frames are either not received physically or thrown out. > Which makes me wonder why the association happens so quickly. Perhaps > it's done at lower rates. Could you start capturing earlier to confirm this? > When ping finally starts working, all the data is transmitted at 1Mbps. > And the QoS field is still there , so it's not a problem by itself. Didn't you say that you're using mb's tree? You have a 4311 IIRC so I wouldn't be surprised if there are problems with receive sensitivity that go away after, say, two minutes (recalibration interval). johannes --=-iX0xcU1TNJt78vL2ywTv Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iD8DBQBF2rAH/ETPhpq3jKURArZ7AJ0emlpE7DwWyzJC5+fFrp++zmlDFQCfSDaw wjrDH0/Eo03JoRdWEucQimI= =huoe -----END PGP SIGNATURE----- --=-iX0xcU1TNJt78vL2ywTv--