netdev - [PATCH wireless-next 0/3] netlink carrier race workaround

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Date: Fri,  1 Dec 2023 11:41:14 +0100
From: Johannes Berg <johannes@...solutions.net>
To: linux-wireless@...r.kernel.org
Cc: netdev@...r.kernel.org
Subject: [PATCH wireless-next 0/3] netlink carrier race workaround

Hi again,

So I had put this aside for a while, but really got annoyed by all
the test failures now ... thinking about this again I basically now
arrived at a variant of solution #3 previously outlined, and I've
kind of convinced myself that userspace should always get an event
with a new carrier_up_count as it does today.

So I've implemented a new nl80211 attribute carrying the current
carrier_up_count at the time of the wireless event, so that we can
(in userspace) wait for the corresponding rtnetlink event if we
haven't seen it yet. Patches for wpa_supplicant to follow.

johannes