Message-ID: <1360356410.29851.30.camel@jlt4.sipsolutions.net> (sfid-20130208_215343_885648_67AAFD43)
Subject: Re: [RFC 14/14] mac80211: properly track HT/VHT operation changes
From: Johannes Berg <johannes@sipsolutions.net>
To: linux-wireless@vger.kernel.org
Date: Fri, 08 Feb 2013 21:46:50 +0100
In-Reply-To: <1360344344-15742-15-git-send-email-johannes@sipsolutions.net> (sfid-20130208_183812_452599_890EF4AF)
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On Fri, 2013-02-08 at 18:25 +0100, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@intel.com>
> 
> A while ago, I made the mac80211 station code never change
> the channel type after association. This solved a number of
> issues but is ultimately wrong, we should react if the AP
> changes the HT operation IE and switches bandwidth. One of
> the issues is that we associate as HT40 capable, but if the
> AP ever switches to 40 MHz we won't be able to receive such
> frames because we never set our channel to 40 MHz.
> 
> This addresses this and VHT operation changes. If there's a
> change that is incompatible with our setup, e.g. if the AP
> decides to change the channel entirely (and for some reason
> we still hear the beacon) we'll just disconnect.

This part works. The rate control update is broken though ...

johannes