mac80211: split aggregation stop by reason

The initiator/tx doesn't really identify why an
aggregation session is stopped, give a reason
for stopping that more clearly identifies what's
going on. This will help tell the driver clearly
what is expected of it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6ffbf70..d90c07b1 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1525,7 +1525,7 @@
 	sta = sta_info_get(sdata, ifmgd->bssid);
 	if (sta) {
 		set_sta_flag(sta, WLAN_STA_BLOCK_BA);
-		ieee80211_sta_tear_down_BA_sessions(sta, false);
+		ieee80211_sta_tear_down_BA_sessions(sta, AGG_STOP_DESTROY_STA);
 	}
 	mutex_unlock(&local->sta_mtx);