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f066ee2ad5
Missing braces in a macro were leading to badly working rates sometimes
getting a success probabilty of 1.0
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry-picked from commit 12cb52bd06)
22 lines
687 B
Diff
22 lines
687 B
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Wed, 28 Apr 2021 21:03:13 +0200
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Subject: [PATCH] mac80211: minstrel_ht: fix MINSTREL_FRAC macro
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Add missing braces to avoid issues with e.g. using additions in the
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div expression
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/net/mac80211/rc80211_minstrel_ht.h
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+++ b/net/mac80211/rc80211_minstrel_ht.h
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@@ -14,7 +14,7 @@
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/* scaled fraction values */
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#define MINSTREL_SCALE 12
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-#define MINSTREL_FRAC(val, div) (((val) << MINSTREL_SCALE) / div)
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+#define MINSTREL_FRAC(val, div) (((val) << MINSTREL_SCALE) / (div))
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#define MINSTREL_TRUNC(val) ((val) >> MINSTREL_SCALE)
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#define EWMA_LEVEL 96 /* ewma weighting factor [/EWMA_DIV] */
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