net/madwifi/patches/480-remove_get-signal.patch

   1 --- a/net80211/ieee80211_scan.c
   2 +++ b/net80211/ieee80211_scan.c
   3 @@ -107,17 +107,6 @@ struct channel_inuse {
   4         u8 bw;
   5  };
   6
   7 -static inline u32
   8 -get_signal(u8 bw, u8 distance)
   9 -{
  10 -       u32 v;
  11 -
  12 -       /* signal = 1 - (distance / bw)^2 [scale: 100] */
  13 -       v = 100 * distance / bw;
  14 -       v = (100 - ((v * v) / 100));
  15 -       return v;
  16 -}
  17 -
  18  static u32
  19  get_overlap(u16 f1, u16 f2, u8 b1, u8 b2)
  20  {
  21 @@ -137,7 +126,8 @@ get_overlap(u16 f1, u16 f2, u8 b1, u8 b2
  22
  23         d = f2 - f1;
  24         c = d * b1 / (b1 + b2);
  25 -       v = get_signal(b1, c);
  26 +       v = 100 * c / b1;
  27 +       v = (100 - ((v * v) / 100));
  28
  29         return v * v / 100;
  30  }