From 00bc7f0357d082e73699fb561776088e48e53101 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 15 Dec 2016 11:48:12 +0100 Subject: mac80211: merge a number of minstrel/minstrel_ht performance and memory usage improvements Signed-off-by: Felix Fietkau --- ...-minstrel-make-prob_ewma-u16-instead-of-u32.patch | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 package/kernel/mac80211/patches/341-mac80211-minstrel-make-prob_ewma-u16-instead-of-u32.patch (limited to 'package/kernel/mac80211/patches/341-mac80211-minstrel-make-prob_ewma-u16-instead-of-u32.patch') 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 +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 +--- + +--- 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 */ -- cgit v1.1