OFDM_SIFS_TIME     76 drivers/net/wireless/ath/ath9k/dynack.c 			sifs = OFDM_SIFS_TIME;
OFDM_SIFS_TIME    207 drivers/net/wireless/ath/ath9k/hw.c 			txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME