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--- a/net80211/ieee80211_scan.c
+++ b/net80211/ieee80211_scan.c
@@ -107,17 +107,6 @@ struct channel_inuse {
u8 bw;
};
-static inline u32
-get_signal(u8 bw, u8 distance)
-{
- u32 v;
-
- /* signal = 1 - (distance / bw)^2 [scale: 100] */
- v = 100 * distance / bw;
- v = (100 - ((v * v) / 100));
- return v;
-}
-
static u32
get_overlap(u16 f1, u16 f2, u8 b1, u8 b2)
{
@@ -137,7 +126,8 @@ get_overlap(u16 f1, u16 f2, u8 b1, u8 b2
d = f2 - f1;
c = d * b1 / (b1 + b2);
- v = get_signal(b1, c);
+ v = 100 * c / b1;
+ v = (100 - ((v * v) / 100));
return v * v / 100;
}
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