OFDM_SIFS_TIME_QUARTER 72 drivers/net/wireless/ath/ath9k/dynack.c sifs = OFDM_SIFS_TIME_QUARTER; OFDM_SIFS_TIME_QUARTER 191 drivers/net/wireless/ath/ath9k/hw.c txTime = OFDM_SIFS_TIME_QUARTER