Return-path: Received: from nbd.name ([46.4.11.11]:57971 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750814Ab1ITSVK (ORCPT ); Tue, 20 Sep 2011 14:21:10 -0400 Message-ID: <4E78D990.3090601@openwrt.org> (sfid-20110920_202120_438090_BB784F9E) Date: Tue, 20 Sep 2011 20:21:04 +0200 From: Felix Fietkau MIME-Version: 1.0 To: "Luis R. Rodriguez" CC: Johannes Berg , Javier Cardona , Alexander Simon , linux-wireless@vger.kernel.org Subject: Re: [PATCH v3 3/3] mac80211: Add HT operation modes for IBSS References: <35635039ce7d4a79dc62b19d51ccf0d5d4838112.1316297595.git.an.alexsimon@googlemail.com> <1316437459.5995.29.camel@jlt3.sipsolutions.net> <36569806.Rgjanm0GiI@alex-1> <1316521312.3953.27.camel@jlt3.sipsolutions.net> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 2011-09-20 8:12 PM, Luis R. Rodriguez wrote: > On Tue, Sep 20, 2011 at 5:21 AM, Johannes Berg > wrote: >> On Mon, 2011-09-19 at 17:46 +0200, Alexander Simon wrote: >> That seems pretty complex too ... >> >> I don't really know. As I said, I think I'd be happy with an >> implementation that maybe doesn't fully implement everything as long as >> it considers the trade-offs. > > The same questions come up with HT support and 802.11s, as per Javier > this is not really well spelled out in the spec. My recommendation is > to just support for now the most simple case and let us not entangle > ourselves with the complexities of handling trying to merge different > setups. So only enable peering up for adhoc or mesh if and only if the > observed IE matches our own supported HT caps or target configuration. > If a legacy STA tries to peer up with an HT IBSS, this would simply be > rejected. We can leave off handling the change in configuration later > for userspace, but do not see this as being a requirement for > supporting HT for IBSS or Mesh. The simpler the better, so long as we > simply respect the spec. I disagree. That'll make it useless for real deployments, which are often a mix of HT and non-HT devices. - Felix