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authorThomas Huehn <thomas@net.t-labs.tu-berlin.de>2013-03-04 23:30:02 +0100
committerJohannes Berg <johannes.berg@intel.com>2013-03-06 16:36:07 +0100
commitc8ca8c2f933a516b5f4586d7dc6055b72107f246 (patch)
tree87a1285588a6dcec2926e804e52fdc4d9bf8fba6 /net/mac80211/rc80211_minstrel.h
parenta512d4b543ea20ec84f712f90a5229ab88a9709c (diff)
downloadlinux-stericsson-c8ca8c2f933a516b5f4586d7dc6055b72107f246.tar.gz
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.h5
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
*/