tree 3f826769c697eb15a76771e25291bbb54f9f58ab
parent 71ec375c75095002f36f083ceb32bbb8725734ae
author Johannes Berg <johannes.berg@intel.com> 1327064121 +0100
committer John W. Linville <linville@tuxdriver.com> 1328557704 -0500

mac80211: add sta_state callback

(based on Eliad's patch)

Add a callback to notify the low-level driver whenever
the state of a station changes. The driver is only
notified when the station is actually in the mac80211
hash table, not for pre-insert state transitions.

To allow the driver to replace sta_add/remove calls
with this, call extra transitions with the NOTEXIST
state.

This callback can fail, so we need to be careful in
handling it when a station is inserted, particularly
in the IBSS case where we still keep the station entry
around for mac80211 purposes.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>