mac80211: further cleanups to stopping BA sessions

Essentially consisting of passing the sta_info pointer around,
instead of repeatedly doing hash lookups.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index c6858ec..9122416 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -993,6 +993,8 @@
 
 void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da,
 				u16 tid, u16 initiator, u16 reason);
+void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
+				    u16 initiator, u16 reason);
 void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta);
 void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
 			     struct sta_info *sta,
@@ -1006,6 +1008,9 @@
 				     struct ieee80211_mgmt *mgmt,
 				     size_t len);
 
+int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
+				   enum ieee80211_back_parties initiator);
+
 /* Spectrum management */
 void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
 				       struct ieee80211_mgmt *mgmt,