+static void ieee80211_sta_process_addba_resp(struct net_device *dev,
+ struct ieee80211_mgmt *mgmt,
+ size_t len)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_hw *hw = &local->hw;
+ struct sta_info *sta;
+ u16 capab;
+ u16 tid;
+ u8 *state;
+
+ sta = sta_info_get(local, mgmt->sa);
+ if (!sta)
+ return;
+
+ capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
+ tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
+
+ state = &sta->ampdu_mlme.tid_tx[tid].state;
+
+ spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
+
+ if (mgmt->u.action.u.addba_resp.dialog_token !=
+ sta->ampdu_mlme.tid_tx[tid].dialog_token) {
+ spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+#ifdef CONFIG_MAC80211_HT_DEBUG
+ printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+ sta_info_put(sta);
+ return;
+ }
+
+ del_timer_sync(&sta->ampdu_mlme.tid_tx[tid].addba_resp_timer);
+#ifdef CONFIG_MAC80211_HT_DEBUG
+ printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+ if (le16_to_cpu(mgmt->u.action.u.addba_resp.status)
+ == WLAN_STATUS_SUCCESS) {
+ if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
+ spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+ printk(KERN_DEBUG "state not HT_ADDBA_REQUESTED_MSK:"
+ "%d\n", *state);
+ sta_info_put(sta);
+ return;
+ }
+
+ if (*state & HT_ADDBA_RECEIVED_MSK)
+ printk(KERN_DEBUG "double addBA response\n");
+
+ *state |= HT_ADDBA_RECEIVED_MSK;
+ sta->ampdu_mlme.tid_tx[tid].addba_req_num = 0;
+
+ if (*state == HT_AGG_STATE_OPERATIONAL) {
+ printk(KERN_DEBUG "Aggregation on for tid %d \n", tid);
+ ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
+ }
+
+ spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+ printk(KERN_DEBUG "recipient accepted agg: tid %d \n", tid);
+ } else {
+ printk(KERN_DEBUG "recipient rejected agg: tid %d \n", tid);
+
+ sta->ampdu_mlme.tid_tx[tid].addba_req_num++;
+ /* this will allow the state check in stop_BA_session */
+ *state = HT_AGG_STATE_OPERATIONAL;
+ spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+ ieee80211_stop_tx_ba_session(hw, sta->addr, tid,
+ WLAN_BACK_INITIATOR);
+ }
+ sta_info_put(sta);
+}
+
+void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid,
+ u16 initiator, u16 reason_code)