Subject: Re: [PATCH] mac80211: add pre- and post-scan hooks
From: Dan Williams <dcbw@redhat.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: John Linville <linville@tuxdriver.com>,
	linux-wireless <linux-wireless@vger.kernel.org>
In-Reply-To: <1221033061.12266.10.camel@johannes.berg>
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	 (sfid-20080622_174624_286344_54D543FD)  <1221033061.12266.10.camel@johannes.berg>
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Date: Wed, 10 Sep 2008 09:09:27 -0400
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On Wed, 2008-09-10 at 09:51 +0200, Johannes Berg wrote:
> On Sun, 2008-06-22 at 11:43 -0400, Dan Williams wrote:
> > mrv8k has commands that get called before and after the scan has been
> > done to save and restore hardware state.  Add optional callbacks to
> > mac80211 to enable low-level drivers to know when the stack is about to
> > start scanning, and when it's done.
> 
> Was just talking to Sujith about something on IRC and realised that
> maybe this is required to turn off IBSS beaconing when leaving the
> channel for a scan?

Most cards to the beaconing in hardware/firmware with a given template,
right?  If so this sounds quite plausible.  Does beaconing not get
paused now?

Dan