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| author | Felix Fietkau <nbd@nbd.name> | 2016-12-15 11:48:12 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2016-12-19 13:51:21 +0100 |
| commit | 00bc7f0357d082e73699fb561776088e48e53101 (patch) | |
| tree | 92396001e5678f24e207464bd83fe63e8b5caaca /package/kernel/mac80211/patches/341-mac80211-minstrel-make-prob_ewma-u16-instead-of-u32.patch | |
| parent | 6f77b8d510e2308f85344cd46de96dadc07a6cb9 (diff) | |
| download | mtk-20170518-00bc7f0357d082e73699fb561776088e48e53101.zip mtk-20170518-00bc7f0357d082e73699fb561776088e48e53101.tar.gz mtk-20170518-00bc7f0357d082e73699fb561776088e48e53101.tar.bz2 | |
mac80211: merge a number of minstrel/minstrel_ht performance and memory usage improvements
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package/kernel/mac80211/patches/341-mac80211-minstrel-make-prob_ewma-u16-instead-of-u32.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/341-mac80211-minstrel-make-prob_ewma-u16-instead-of-u32.patch | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/341-mac80211-minstrel-make-prob_ewma-u16-instead-of-u32.patch b/package/kernel/mac80211/patches/341-mac80211-minstrel-make-prob_ewma-u16-instead-of-u32.patch new file mode 100644 index 0000000..570cd19 --- /dev/null +++ b/package/kernel/mac80211/patches/341-mac80211-minstrel-make-prob_ewma-u16-instead-of-u32.patch @@ -0,0 +1,20 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Wed, 14 Dec 2016 20:19:56 +0100 +Subject: [PATCH] mac80211: minstrel: make prob_ewma u16 instead of u32 + +Saves about 1.2 KiB memory per station + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/net/mac80211/rc80211_minstrel.h ++++ b/net/mac80211/rc80211_minstrel.h +@@ -59,7 +59,7 @@ struct minstrel_rate_stats { + /* statistis of packet delivery probability + * prob_ewma - exponential weighted moving average of prob + * prob_ewmsd - exp. weighted moving standard deviation of prob */ +- unsigned int prob_ewma; ++ u16 prob_ewma; + u16 prob_ewmv; + + /* maximum retry counts */ |