1 files changed, 52 insertions, 0 deletions
diff --git a/package/mac80211/patches/562-minstrel_sample_performance.patch b/package/mac80211/patches/562-minstrel_sample_performance.patch
new file mode 100644
index 000000000..424a74160
--- /dev/null
+++ b/package/mac80211/patches/562-minstrel_sample_performance.patch
@@ -0,0 +1,52 @@
+--- a/net/mac80211/rc80211_minstrel_ht.c
++++ b/net/mac80211/rc80211_minstrel_ht.c
+@@ -407,8 +407,8 @@ minstrel_ht_tx_status(void *priv, struct
+ 	mi->ampdu_len += info->status.ampdu_len;
+ 
+ 	if (!mi->sample_wait && !mi->sample_tries && mi->sample_count > 0) {
+-		mi->sample_wait = 4 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
+-		mi->sample_tries = 3;
++		mi->sample_wait = 16 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
++		mi->sample_tries = 2;
+ 		mi->sample_count--;
+ 	}
+ 
+@@ -564,7 +564,7 @@ minstrel_get_sample_rate(struct minstrel
+ 	 */
+ 	if (minstrel_get_duration(sample_idx) >
+ 	    minstrel_get_duration(mi->max_tp_rate)) {
+-		if (mr->sample_skipped < 10)
++		if (mr->sample_skipped < 20)
+ 			goto next;
+ 
+ 		if (mi->sample_slow++ > 2)
+@@ -588,6 +588,7 @@ minstrel_ht_get_rate(void *priv, struct 
+ 	struct minstrel_ht_sta *mi = &msp->ht;
+ 	struct minstrel_priv *mp = priv;
+ 	int sample_idx;
++	bool sample = false;
+ 
+ 	if (rate_control_send_low(sta, priv_sta, txrc))
+ 		return;
+@@ -598,10 +599,11 @@ minstrel_ht_get_rate(void *priv, struct 
+ 	info->flags |= mi->tx_flags;
+ 	sample_idx = minstrel_get_sample_rate(mp, mi);
+ 	if (sample_idx >= 0) {
++		sample = true;
+ 		minstrel_ht_set_rate(mp, mi, &ar[0], sample_idx,
+ 			txrc, true, false);
+ 		minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate,
+-			txrc, false, true);
++			txrc, false, false);
+ 		info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+ 	} else {
+ 		minstrel_ht_set_rate(mp, mi, &ar[0], mi->max_tp_rate,
+@@ -609,7 +611,7 @@ minstrel_ht_get_rate(void *priv, struct 
+ 		minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate2,
+ 			txrc, false, true);
+ 	}
+-	minstrel_ht_set_rate(mp, mi, &ar[2], mi->max_prob_rate, txrc, false, true);
++	minstrel_ht_set_rate(mp, mi, &ar[2], mi->max_prob_rate, txrc, false, !sample);
+ 
+ 	ar[3].count = 0;
+ 	ar[3].idx = -1;