diff mbox series

[5.13] mac80211: minstrel_ht: fix sample time check

Message ID 20210617103854.61875-1-nbd@nbd.name
State New
Headers show
Series [5.13] mac80211: minstrel_ht: fix sample time check | expand

Commit Message

Felix Fietkau June 17, 2021, 10:38 a.m. UTC
We need to skip sampling if the next sample time is after jiffies, not before.
This patch fixes an issue where in some cases only very little sampling (or none
at all) is performed, leading to really bad data rates

Fixes: 80d55154b2f8 ("mac80211: minstrel_ht: significantly redesign the rate probing strategy")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 net/mac80211/rc80211_minstrel_ht.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 6487b05da6fa..a6f3fb4a9197 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1514,7 +1514,7 @@  minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 	    (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO))
 		return;
 
-	if (time_is_before_jiffies(mi->sample_time))
+	if (time_is_after_jiffies(mi->sample_time))
 		return;
 
 	mi->sample_time = jiffies + MINSTREL_SAMPLE_INTERVAL;