}
 #endif
 
+static int mac80211_hwsim_ampdu_action(struct ieee80211_hw *hw,
+                                      struct ieee80211_vif *vif,
+                                      enum ieee80211_ampdu_mlme_action action,
+                                      struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+{
+       switch (action) {
+       case IEEE80211_AMPDU_TX_START:
+               ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+               break;
+       case IEEE80211_AMPDU_TX_STOP:
+               ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+               break;
+       case IEEE80211_AMPDU_TX_OPERATIONAL:
+               break;
+       case IEEE80211_AMPDU_RX_START:
+       case IEEE80211_AMPDU_RX_STOP:
+               break;
+       default:
+               return -EOPNOTSUPP;
+       }
+
+       return 0;
+}
+
+
 static const struct ieee80211_ops mac80211_hwsim_ops =
 {
        .tx = mac80211_hwsim_tx,
        .set_tim = mac80211_hwsim_set_tim,
        .conf_tx = mac80211_hwsim_conf_tx,
        CFG80211_TESTMODE_CMD(mac80211_hwsim_testmode_cmd)
+       .ampdu_action = mac80211_hwsim_ampdu_action,
 };