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authorFelix Fietkau <nbd@openwrt.org>2010-10-21 00:33:00 +0000
committerFelix Fietkau <nbd@openwrt.org>2010-10-21 00:33:00 +0000
commitad06ff1186a055552e4e430b1f40593b9668b439 (patch)
tree5dd7771323952cb141b4bd3c6a15c07b61426d09 /package
parenta7bdb90f3843a2d36bc232781d670c72ab76a7d8 (diff)
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ath9k: fix sampling frame handling wrt. aggregation, replace minstrel_ht performance fixes for better performance
SVN-Revision: 23558
Diffstat (limited to 'package')
-rw-r--r--package/mac80211/patches/560-ath9k_aggr_sampling_fix.patch22
-rw-r--r--package/mac80211/patches/560-minstrel_ht_performance.patch32
-rw-r--r--package/mac80211/patches/561-minstrel_ht_sampling_interval.patch11
-rw-r--r--package/mac80211/patches/561-minstrel_sample_retransmit.patch13
-rw-r--r--package/mac80211/patches/562-minstrel_sample_performance.patch52
5 files changed, 87 insertions, 43 deletions
diff --git a/package/mac80211/patches/560-ath9k_aggr_sampling_fix.patch b/package/mac80211/patches/560-ath9k_aggr_sampling_fix.patch
new file mode 100644
index 0000000..66a3419
--- /dev/null
+++ b/package/mac80211/patches/560-ath9k_aggr_sampling_fix.patch
@@ -0,0 +1,22 @@
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -673,6 +673,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
+ u16 aggr_limit = 0, al = 0, bpad = 0,
+ al_delta, h_baw = tid->baw_size / 2;
+ enum ATH_AGGR_STATUS status = ATH_AGGR_DONE;
++ struct ieee80211_tx_info *tx_info;
+
+ bf_first = list_first_entry(&tid->buf_q, struct ath_buf, list);
+
+@@ -699,6 +700,11 @@ static enum ATH_AGGR_STATUS ath_tx_form_
+ break;
+ }
+
++ tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
++ if (nframes && ((tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) ||
++ !(tx_info->control.rates[0].flags & IEEE80211_TX_RC_MCS)))
++ break;
++
+ /* do not exceed subframe limit */
+ if (nframes >= min((int)h_baw, ATH_AMPDU_SUBFRAME_DEFAULT)) {
+ status = ATH_AGGR_LIMITED;
diff --git a/package/mac80211/patches/560-minstrel_ht_performance.patch b/package/mac80211/patches/560-minstrel_ht_performance.patch
deleted file mode 100644
index a3e7f42..0000000
--- a/package/mac80211/patches/560-minstrel_ht_performance.patch
+++ /dev/null
@@ -1,32 +0,0 @@
---- a/net/mac80211/rc80211_minstrel_ht.h
-+++ b/net/mac80211/rc80211_minstrel_ht.h
-@@ -103,6 +103,7 @@ struct minstrel_ht_sta {
- u8 sample_tries;
- u8 sample_count;
- u8 sample_slow;
-+ u8 sample_retry;
-
- /* current MCS group to be sampled */
- u8 sample_group;
---- a/net/mac80211/rc80211_minstrel_ht.c
-+++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -261,6 +261,7 @@ minstrel_ht_update_stats(struct minstrel
-
- /* try to sample up to half of the availble rates during each interval */
- mi->sample_count *= 4;
-+ mi->sample_retry = mi->sample_count;
-
- cur_prob = 0;
- cur_prob_tp = 0;
-@@ -572,6 +573,11 @@ minstrel_get_sample_rate(struct minstrel
- return sample_idx;
-
- next:
-+ if (mi->sample_retry > 0) {
-+ mi->sample_retry--;
-+ mi->sample_tries++;
-+ mi->sample_wait = 1;
-+ }
- minstrel_next_sample_idx(mi);
- return -1;
- }
diff --git a/package/mac80211/patches/561-minstrel_ht_sampling_interval.patch b/package/mac80211/patches/561-minstrel_ht_sampling_interval.patch
deleted file mode 100644
index f9465e8..0000000
--- a/package/mac80211/patches/561-minstrel_ht_sampling_interval.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/net/mac80211/rc80211_minstrel_ht.c
-+++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -408,7 +408,7 @@ 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_wait = 8 + MINSTREL_TRUNC(mi->avg_ampdu_len);
- mi->sample_tries = 3;
- mi->sample_count--;
- }
diff --git a/package/mac80211/patches/561-minstrel_sample_retransmit.patch b/package/mac80211/patches/561-minstrel_sample_retransmit.patch
new file mode 100644
index 0000000..2ae03d8
--- /dev/null
+++ b/package/mac80211/patches/561-minstrel_sample_retransmit.patch
@@ -0,0 +1,13 @@
+--- a/net/mac80211/rc80211_minstrel_ht.c
++++ b/net/mac80211/rc80211_minstrel_ht.c
+@@ -506,7 +506,9 @@ minstrel_ht_set_rate(struct minstrel_pri
+ if (!mr->retry_updated)
+ minstrel_calc_retransmit(mp, mi, index);
+
+- if (mr->probability < MINSTREL_FRAC(20, 100))
++ if (sample)
++ rate->count = 1;
++ else if (mr->probability < MINSTREL_FRAC(20, 100))
+ rate->count = 2;
+ else if (rtscts)
+ rate->count = mr->retry_count_rtscts;
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 0000000..424a741
--- /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;