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authorFelix Fietkau <nbd@openwrt.org>2013-03-03 12:49:52 +0100
committerJohannes Berg <johannes.berg@intel.com>2013-03-06 16:35:54 +0100
commit098b8afbf23502041c091463aea10a91b735c4cf (patch)
treede0945308ca9f74779cf205dc3f6acb797008b27 /net/mac80211/rc80211_minstrel_ht.c
parentmac80211/minstrel_ht: increase sampling frequency of some slower rates (diff)
downloadlinux-098b8afbf23502041c091463aea10a91b735c4cf.tar.xz
linux-098b8afbf23502041c091463aea10a91b735c4cf.zip
mac80211/minstrel_ht: fix spacing between sample attempts
A sample attempt should only count in mi->sample_tries if the sample attempt wasn't skipped based on slower rate criteria. This patch increases the sampling frequency for potentially desirable rates and thus enables faster recovery from interference or collisions. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to '')
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 1b69924143d8..da4ec73f3415 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -640,7 +640,6 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
if (!mi->sample_tries)
return -1;
- mi->sample_tries--;
mg = &mi->groups[mi->sample_group];
sample_idx = sample_table[mg->column][mg->index];
mr = &mg->rates[sample_idx];
@@ -677,6 +676,7 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
if (mi->sample_slow++ > 2)
return -1;
}
+ mi->sample_tries--;
return sample_idx;
}