rate_dur          674 drivers/net/wireless/ath/ath9k/xmit.c 		int rate_dur = ath9k_hw_get_duration(sc->sc_ah, bf->bf_desc, i);
rate_dur          675 drivers/net/wireless/ath/ath9k/xmit.c 		airtime += rate_dur * bf->rates[i].count;