RTW_WLAN_CATEGORY_BACK  527 drivers/staging/rtl8188eu/include/ieee80211.h 	RTW_WLAN_CATEGORY_BACK = 3,
RTW_WLAN_CATEGORY_BACK  885 drivers/staging/rtl8723bs/include/ieee80211.h 	RTW_WLAN_CATEGORY_BACK = 3,