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| author |   Thomas Huehn <thomas@net.t-labs.tu-berlin.de> | 2013-03-04 23:30:02 +0100 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2013-03-06 16:36:07 +0100 |
| commit | c8ca8c2f933a516b5f4586d7dc6055b72107f246 (patch) | |
| tree | 87a1285588a6dcec2926e804e52fdc4d9bf8fba6 /net/mac80211/rc80211_minstrel.h | |
| parent | mac80211: merge EWMA calculation of minstrel_ht and minstrel (diff) | |
| download | linux-dev-c8ca8c2f933a516b5f4586d7dc6055b72107f246.tar.xz linux-dev-c8ca8c2f933a516b5f4586d7dc6055b72107f246.zip | |
mac80211: merge value scaling macros of minstrel_ht and minstrel
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>
Diffstat (limited to 'net/mac80211/rc80211_minstrel.h')
| -rw-r--r-- | net/mac80211/rc80211_minstrel.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h index 98db93f96add..fda4a6154c87 100644 --- a/net/mac80211/rc80211_minstrel.h +++ b/net/mac80211/rc80211_minstrel.h @@ -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 */ |