IEEE80211_SN_MASK 120 include/linux/ieee80211.h #define IEEE80211_MAX_SN IEEE80211_SN_MASK IEEE80211_SN_MASK 125 include/linux/ieee80211.h return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); IEEE80211_SN_MASK 130 include/linux/ieee80211.h return (sn1 + sn2) & IEEE80211_SN_MASK; IEEE80211_SN_MASK 140 include/linux/ieee80211.h return (sn1 - sn2) & IEEE80211_SN_MASK;