IEEE80211_STATMASK_NOISE  599 drivers/staging/rtl8192u/ieee80211/ieee80211.h #define IEEE80211_STATMASK_NOISE (1<<2)
IEEE80211_STATMASK_NOISE  317 drivers/staging/rtl8712/ieee80211.h #define IEEE80211_STATMASK_NOISE BIT(2)
IEEE80211_STATMASK_NOISE  374 drivers/staging/rtl8723bs/include/ieee80211.h #define IEEE80211_STATMASK_NOISE (1<<2)