Return-path: Received: from crystal.sipsolutions.net ([195.210.38.204]:37245 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751188AbXLKOwg (ORCPT ); Tue, 11 Dec 2007 09:52:36 -0500 Subject: Re: [RFC/T][PATCH 1/3] rc80211-pid: introduce rate behaviour learning algorithm From: Johannes Berg To: Mattias Nissler Cc: Stefano Brivio , linux-wireless , "John W. Linville" In-Reply-To: <1197319867.7493.4.camel@localhost> (sfid-20071210_205142_109612_504EEC93) References: <20071209211547.2d7fca32@morte> <20071209211931.26ff42fa@morte> <1197239150.7543.13.camel@localhost> <20071210090853.79ea4645@morte> <1197319867.7493.4.camel@localhost> (sfid-20071210_205142_109612_504EEC93) Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-rcBXHSTtwh1FmfOL/otz" Date: Tue, 11 Dec 2007 15:52:34 +0100 Message-Id: <1197384754.4037.23.camel@johannes.berg> (sfid-20071211_145239_477230_132E50A1) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-rcBXHSTtwh1FmfOL/otz Content-Type: text/plain Content-Transfer-Encoding: quoted-printable > > 2) that can be changed in userspace, but we couldn't figure out a scena= rio > > where it would make any sense. Johannes, any comments? Wouldn't it make > > sense to just forbid to change this in userspace? >=20 > I don't agree. For example, what if you have some broken 802.11b only > hardware that you desperately need to get going, but it freaks out on > 802.11g encoded frames. Now if your AP is hostapd on a Linux machine, > you'll want to change the mode. Hence, also the number of available > rates change. >=20 > Moreover, I think we can do better than just disallowing changes to the > rate set, don't you think? All of this is going to change anyway, but disallowing mode/rateset changes while associated is definitely the right thing to do. johannes --=-rcBXHSTtwh1FmfOL/otz Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIVAwUAR16kMaVg1VMiehFYAQKqaxAAlX5I3NM+bd+LMVtDbvNLP52YD5FD2KOh i14fCsiYe0dOInngQERiYZHufKkUWNJVBErV0/L1mZCXia7QXYNStk81jyTHqiIS yIjI+RtdBgTBkFgsj/AHLJ8cee/HqWQKRKIHE2MLCJc3uujid8VZshymxTFf50dJ tBbQWPjuwfWI/DNf9t07NIaTbPH27LnIo3/eSGHscH0gHcwBvj6F0EGPwAJuNs7v qHtdkFPwjwtmV7MDbsfmh8ak6e9GOUTasX3SGU19WlJF0fhjveqCTG0lOYZ2tARf Tq6zcUQUB2MqJ4ilIXAU8TaFDbwUHbG93GKEgbiENPPO1T0H2Y2qZmOawc0P9txK TinqMueuYy4vnVG3Gmibmws7i9w5PygPPMBi15+dUrchNfo7V8rqYnVfIaOq0zKl DZ7OZk5CU+MtG37eURJDnGELCADS3QqsNlnCm7UGQRBW0idOsNdgqww62rbs6wl8 y/ySl5ufsEY8ttB/Xocp3dlpgrakgNTN7Bp+6XIN77GwcJxa2HpKXiZ6RJsUGkYc KTYRFys1IIpkVToV/YYXmbHCC/lEM4nLCyfBRZgHvKVhInwie/en+m5KgCI5ZDSH 0l1RtEVKkFuqUTmupk+oPnH6by5F+a7PGccLUFHVWuG+69JidYCK5DoL0nHh3MwL 0tpVQRTawI0= =EEQl -----END PGP SIGNATURE----- --=-rcBXHSTtwh1FmfOL/otz--