FC_QOS_BIT        412 drivers/staging/rtl8192e/rtllib.h #define	IsLegacyDataFrame(pdu)	(IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT)))
FC_QOS_BIT        412 drivers/staging/rtl8192u/ieee80211/ieee80211.h #define	IsLegacyDataFrame(pdu)	(IsDataFrame(pdu) && (!(pdu[0] & FC_QOS_BIT)))