RTW_ERP_INFO_BARKER_PREAMBLE_MODE  303 drivers/staging/rtl8188eu/include/ieee80211.h #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
RTW_ERP_INFO_BARKER_PREAMBLE_MODE  306 drivers/staging/rtl8723bs/include/ieee80211.h #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)