WME_TSPEC_DIRECTION_BI_DIRECTIONAL  614 drivers/staging/rtl8188eu/include/ieee80211.h #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
WME_TSPEC_DIRECTION_BI_DIRECTIONAL  981 drivers/staging/rtl8723bs/include/ieee80211.h #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3