MINSTREL_SCALE 15 net/mac80211/rc80211_minstrel.h #define MINSTREL_FRAC(val, div) (((val) << MINSTREL_SCALE) / div) MINSTREL_SCALE 16 net/mac80211/rc80211_minstrel.h #define MINSTREL_TRUNC(val) ((val) >> MINSTREL_SCALE)