ieee80211_configure_ampdu_tx
ieee80211_configure_ampdu_tx(ic, 1);
ieee80211_configure_ampdu_tx(ic, 0);
ieee80211_configure_ampdu_tx(ic, 1);
ieee80211_configure_ampdu_tx(ic, 1);
void ieee80211_configure_ampdu_tx(struct ieee80211com *, int);