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To: Ben Greear <greearb@candelatech.com>
Subject: Re: Scanning improvements for multiple VIFS.
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Date: Sat, 13 Nov 2010 06:19:56 +0100
From: Johannes Berg <johannes@sipsolutions.net>
Cc: <linux-wireless@vger.kernel.org>
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>> In nl80211_trigger_scan, if rdev->scan_req is != NULL,
>> instead of returning EBUSY, what if we set a flag in
>> the VIF that said "I want scan results too."
>>
>> Then, when whatever is scanning is finished, it would send
>> scan results to all interested vifs.

But the scans results could technically be different
if they've been done on a different interface. Besides,
you can handle it in userspace. You've been trying for
weeks to avoid changing your userspace by changing the
kernel, which is still the wrong approach.

johannes