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openwrt-xburst/package/mac80211/patches/562-minstrel_sample_performance.patch
nbd b1b81f3461 merge mac80211, iw, hostapd from trunk to backfire
git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@23733 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-10-31 12:47:07 +00:00

53 lines
1.8 KiB
Diff

--- 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;