From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 7 Mar 2010 18:35:39 +0000 (+0000)
Subject: mac80211: fix a few more minstrel_ht bugs (thx to Christian Lamparter)
X-Git-Tag: reboot~20779
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=33f8fa04df589bc8dd9c25d901adcad52369f46b;p=openwrt%2Fopenwrt.git

mac80211: fix a few more minstrel_ht bugs (thx to Christian Lamparter)

SVN-Revision: 20040
---

diff --git a/package/mac80211/patches/560-minstrel_ht.patch b/package/mac80211/patches/560-minstrel_ht.patch
index 9fa9e05c52..1cb433db12 100644
--- a/package/mac80211/patches/560-minstrel_ht.patch
+++ b/package/mac80211/patches/560-minstrel_ht.patch
@@ -68,7 +68,7 @@
  
 --- /dev/null
 +++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -0,0 +1,807 @@
+@@ -0,0 +1,809 @@
 +/*
 + * Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org>
 + *
@@ -479,13 +479,15 @@
 +	 * downgrade to a lower number of streams if necessary.
 +	 */
 +	rate = minstrel_get_ratestats(mi, mi->max_tp_rate);
-+	if (MINSTREL_FRAC(rate->success, rate->attempts) <
-+	    MINSTREL_FRAC(20, 100) && rate->attempts > 30)
++	if (rate->attempts > 30 &&
++	    MINSTREL_FRAC(rate->success, rate->attempts) <
++	    MINSTREL_FRAC(20, 100))
 +		minstrel_downgrade_rate(mi, &mi->max_tp_rate, true);
 +
 +	rate2 = minstrel_get_ratestats(mi, mi->max_tp_rate2);
-+	if (MINSTREL_FRAC(rate->success, rate->attempts) <
-+	    MINSTREL_FRAC(20, 100) && rate->attempts > 30)
++	if (rate->attempts > 30 &&
++	    MINSTREL_FRAC(rate->success, rate->attempts) <
++	    MINSTREL_FRAC(20, 100))
 +		minstrel_downgrade_rate(mi, &mi->max_tp_rate2, false);
 +
 +	if (time_after(jiffies, mi->stats_update + (mp->update_interval / 2 * HZ) / 1000))
@@ -1062,7 +1064,7 @@
 +			struct minstrel_rate_stats *mr = &mi->groups[i].rates[j];
 +			int idx = i * MCS_GROUP_RATES + j;
 +
-+			if (!mi->groups[i].supported & BIT(j))
++			if (!(mi->groups[i].supported & BIT(j)))
 +				continue;
 +
 +			p += sprintf(p, "HT%c0/%cGI ", htmode, gimode);