Return-path: Received: from fmmailgate03.web.de ([217.72.192.234]:48616 "EHLO fmmailgate03.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751487AbXC2Ipd (ORCPT ); Thu, 29 Mar 2007 04:45:33 -0400 Message-ID: <460B7CAA.4020604@web.de> Date: Thu, 29 Mar 2007 10:45:30 +0200 From: Jan Kiszka MIME-Version: 1.0 To: Johannes Berg CC: Jiri Benc , Ivo Van Doorn , linux-wireless Subject: Re: d80211: How does TX flow control work? References: <459A5945.80909@web.de> <20070103185203.2754e059@griffin.suse.cz> <459BF179.6000906@web.de> <20070103191853.4f440b8b@griffin.suse.cz> <459BFB05.9040608@web.de> <45A03825.9080807@web.de> <45A2A728.1070404@web.de> <1175029130.5151.6.camel@johannes.berg> In-Reply-To: <1175029130.5151.6.camel@johannes.berg> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig48D0320CABB87E558548BC1B" Sender: linux-wireless-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig48D0320CABB87E558548BC1B Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Johannes Berg wrote: >> The actual problem was meanwhile identified: shorewall happened to >> overwrite the queueing discipline of wmaster0 with pfifo_fast. I found= >> the magic knob to tell shorewall to no longer do this (at least until = I >> want to manage traffic control that way...), but I still wonder if it = is >> an acceptable situation. Currently, the user can intentionally or >> accidentally screw up the stack this way. >=20 > I don't seem to be able to do that: >=20 > # tc qdisc change dev wmaster0 pfifo > RTNETLINK answers: Invalid argument >=20 > # tc qdisc replace dev wmaster0 pfifo > RTNETLINK answers: Invalid argument >=20 > what exactly does shorewall do? >=20 Don't recall... need to re-test... lacking time. :( Just one note: I observed this on a 2.6.19 kernel - in case there is a difference to the latest. Jan --------------enig48D0320CABB87E558548BC1B Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGC3yqniDOoMHTA+kRAqesAJ9MaVvYAEXdO1QDkG5/30mbO8HRkQCfWLE9 b85HqNF2vVutucymxafU1zQ= =YgrF -----END PGP SIGNATURE----- --------------enig48D0320CABB87E558548BC1B-- -: To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@vger.kernel.org: More majordomo info at http: //vger.kernel.org/majordomo-info.html