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[10/10] mac80211: minstrel: avoid port control frames for sampling

Message ID 20161214194703.33429-10-nbd@nbd.name (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show

Commit Message

Felix Fietkau Dec. 14, 2016, 7:47 p.m. UTC 
From: Thomas Huehn <thomas.huehn@evernet-eg.de>

Makes connections more reliable

Signed-off-by: Thomas Huehn <thomas.huehn@evernet-eg.de>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 net/mac80211/rc80211_minstrel.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 11a4cc3..3ebe440 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -367,6 +367,11 @@  minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
 		return;
 #endif
 
+	/* Don't use EAPOL frames for sampling on non-mrr hw */
+	if (mp->hw->max_rates == 1 &&
+	    (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO))
+		return;
+
 	delta = (mi->total_packets * sampling_ratio / 100) -
 			(mi->sample_packets + mi->sample_deferred / 2);