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mac80211: merge value scaling macros of minstrel_ht and minstrel

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Both minstrel versions use individual ways to scale up integer values
to perform calculations. Merge minstrel_ht's scaling macros into
minstrels header file and use them in both minstrel versions.

Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Thomas Huehn <thomas@net.t-labs.tu-berlin.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Thomas Huehn
2013-03-04 23:30:02 +01:00
committed by Johannes Berg
parent a512d4b543
commit c8ca8c2f93
4 changed files with 12 additions and 13 deletions
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5
net/mac80211/rc80211_minstrel.h
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@@ -11,6 +11,11 @@
#define EWMA_LEVEL 75 /* ewma weighting factor [%] */
/* scaled fraction values */
#define MINSTREL_SCALE 16
#define MINSTREL_FRAC(val, div) (((val) << MINSTREL_SCALE) / div)
#define MINSTREL_TRUNC(val) ((val) >> MINSTREL_SCALE)
/*
* Perform EWMA (Exponentially Weighted Moving Average) calculation
*/