prepare_tx_duration 4177 net/mac80211/mlme.c 	u16 prepare_tx_duration = 0;
prepare_tx_duration 4200 net/mac80211/mlme.c 		prepare_tx_duration =
prepare_tx_duration 4203 net/mac80211/mlme.c 	drv_mgd_prepare_tx(local, sdata, prepare_tx_duration);