ath9k: merge a patch for improving ad-hoc mode performance

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32491 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 93 insertions, 14 deletions

diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index 4f96a013f4..3f45286e9d 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -1171,7 +1171,34 @@
  #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -516,24 +516,6 @@ irqreturn_t ath_isr(int irq, void *dev)
+@@ -19,7 +19,7 @@
+ #include "ath9k.h"
+ #include "btcoex.h"
+ 
+-static u8 parse_mpdudensity(u8 mpdudensity)
++u8 ath9k_parse_mpdudensity(u8 mpdudensity)
+ {
+ 	/*
+ 	 * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
+@@ -320,6 +320,7 @@ static void ath_node_attach(struct ath_s
+ 			    struct ieee80211_vif *vif)
+ {
+ 	struct ath_node *an;
++	u8 density;
+ 	an = (struct ath_node *)sta->drv_priv;
+ 
+ #ifdef CONFIG_ATH9K_DEBUGFS
+@@ -334,7 +335,8 @@ static void ath_node_attach(struct ath_s
+ 		ath_tx_node_init(sc, an);
+ 		an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
+ 				     sta->ht_cap.ampdu_factor);
+-		an->mpdudensity = parse_mpdudensity(sta->ht_cap.ampdu_density);
++		density = ath9k_parse_mpdudensity(sta->ht_cap.ampdu_density);
++		an->mpdudensity = density;
+ 	}
+ }
+ 
+@@ -516,24 +518,6 @@ irqreturn_t ath_isr(int irq, void *dev)
  		ath9k_hw_set_interrupts(ah);
  	}
  
@@ -1196,7 +1223,7 @@
  	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
  		if (status & ATH9K_INT_TIM_TIMER) {
  			if (ATH_DBG_WARN_ON_ONCE(sc->ps_idle))
-@@ -959,14 +941,10 @@ static void ath9k_calculate_summary_stat
+@@ -959,14 +943,10 @@ static void ath9k_calculate_summary_stat
  	/*
  	 * Enable MIB interrupts when there are hardware phy counters.
  	 */
@@ -1466,6 +1493,14 @@
  };
  
  struct ath_buf_state {
+@@ -721,6 +722,7 @@ extern int ath9k_modparam_nohwcrypt;
+ extern int led_blink;
+ extern bool is_ath9k_unloaded;
+ 
++u8 ath9k_parse_mpdudensity(u8 mpdudensity);
+ irqreturn_t ath_isr(int irq, void *dev);
+ int ath9k_init_device(u16 devid, struct ath_softc *sc,
+ 		    const struct ath_bus_ops *bus_ops);
 --- a/drivers/net/wireless/ath/ath9k/xmit.c
 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
 @@ -938,6 +938,7 @@ static void ath_buf_set_rate(struct ath_
@@ -1511,7 +1546,33 @@
  		info->rates[i].Rate = rate->hw_value;
  		if (rate->hw_value_short) {
  			if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
-@@ -1776,10 +1766,22 @@ static void setup_frame_info(struct ieee
+@@ -1175,6 +1165,7 @@ int ath_tx_aggr_start(struct ath_softc *
+ {
+ 	struct ath_atx_tid *txtid;
+ 	struct ath_node *an;
++	u8 density;
+ 
+ 	an = (struct ath_node *)sta->drv_priv;
+ 	txtid = ATH_AN_2_TID(an, tid);
+@@ -1182,6 +1173,17 @@ int ath_tx_aggr_start(struct ath_softc *
+ 	if (txtid->state & (AGGR_CLEANUP | AGGR_ADDBA_COMPLETE))
+ 		return -EAGAIN;
+ 
++	/* update ampdu factor/density, they may have changed. This may happen
++	 * in HT IBSS when a beacon with HT-info is received after the station
++	 * has already been added.
++	 */
++	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
++		an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
++				     sta->ht_cap.ampdu_factor);
++		density = ath9k_parse_mpdudensity(sta->ht_cap.ampdu_density);
++		an->mpdudensity = density;
++	}
++
+ 	txtid->state |= AGGR_ADDBA_PROGRESS;
+ 	txtid->paused = true;
+ 	*ssn = txtid->seq_start = txtid->seq_next;
+@@ -1776,10 +1778,22 @@ static void setup_frame_info(struct ieee
  	struct ieee80211_sta *sta = tx_info->control.sta;
  	struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
  	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@@ -1534,7 +1595,7 @@
  	keytype = ath9k_cmn_get_hw_crypto_keytype(skb);
  
  	if (sta)
-@@ -1794,6 +1796,9 @@ static void setup_frame_info(struct ieee
+@@ -1794,6 +1808,9 @@ static void setup_frame_info(struct ieee
  		fi->keyix = ATH9K_TXKEYIX_INVALID;
  	fi->keytype = keytype;
  	fi->framelen = framelen;
@@ -1602,3 +1663,21 @@
  	return err;
  }
  
+--- a/drivers/net/wireless/ath/ath9k/link.c
++++ b/drivers/net/wireless/ath/ath9k/link.c
+@@ -407,6 +407,7 @@ void ath_ani_calibrate(unsigned long dat
+ 		longcal ? "long" : "", shortcal ? "short" : "",
+ 		aniflag ? "ani" : "", common->ani.caldone ? "true" : "false");
+ 
++	ath9k_debug_samp_bb_mac(sc);
+ 	ath9k_ps_restore(sc);
+ 
+ set_timer:
+@@ -415,7 +416,6 @@ set_timer:
+ 	* The interval must be the shortest necessary to satisfy ANI,
+ 	* short calibration and long calibration.
+ 	*/
+-	ath9k_debug_samp_bb_mac(sc);
+ 	cal_interval = ATH_LONG_CALINTERVAL;
+ 	if (sc->sc_ah->config.enable_ani)
+ 		cal_interval = min(cal_interval,
diff --git a/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch b/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
index 7feed482bf..6126313b6e 100644
--- a/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
+++ b/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
@@ -80,7 +80,7 @@
  }
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1122,7 +1122,7 @@ static void ath9k_disable_ps(struct ath_
+@@ -1124,7 +1124,7 @@ static void ath9k_disable_ps(struct ath_
  	ath_dbg(common, PS, "PowerSave disabled\n");
  }
  
@@ -89,7 +89,7 @@
  {
  	struct ath_softc *sc = hw->priv;
  	struct ath_hw *ah = sc->sc_ah;
-@@ -1173,9 +1173,11 @@ static int ath9k_config(struct ieee80211
+@@ -1175,9 +1175,11 @@ static int ath9k_config(struct ieee80211
  
  	if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) {
  		struct ieee80211_channel *curchan = hw->conf.channel;
@@ -101,7 +101,7 @@
  
  		if (ah->curchan)
  			old_pos = ah->curchan - &ah->channels[0];
-@@ -1218,7 +1220,23 @@ static int ath9k_config(struct ieee80211
+@@ -1220,7 +1222,23 @@ static int ath9k_config(struct ieee80211
  			memset(&sc->survey[pos], 0, sizeof(struct survey_info));
  		}
  
diff --git a/package/mac80211/patches/521-ath9k_cur_txpower.patch b/package/mac80211/patches/521-ath9k_cur_txpower.patch
index f5d359bb2f..2b478184cc 100644
--- a/package/mac80211/patches/521-ath9k_cur_txpower.patch
+++ b/package/mac80211/patches/521-ath9k_cur_txpower.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1243,6 +1243,8 @@ int ath9k_config(struct ieee80211_hw *hw
+@@ -1245,6 +1245,8 @@ int ath9k_config(struct ieee80211_hw *hw
  			return -EINVAL;
  		}
  
@@ -9,7 +9,7 @@
  		/*
  		 * The most recent snapshot of channel->noisefloor for the old
  		 * channel is only available after the hardware reset. Copy it to
-@@ -1257,6 +1259,7 @@ int ath9k_config(struct ieee80211_hw *hw
+@@ -1259,6 +1261,7 @@ int ath9k_config(struct ieee80211_hw *hw
  		sc->config.txpowlimit = 2 * conf->power_level;
  		ath9k_cmn_update_txpow(ah, sc->curtxpow,
  				       sc->config.txpowlimit, &sc->curtxpow);
diff --git a/package/mac80211/patches/530-ath9k_limit_qlen.patch b/package/mac80211/patches/530-ath9k_limit_qlen.patch
index b66289bda1..6c85b429ea 100644
--- a/package/mac80211/patches/530-ath9k_limit_qlen.patch
+++ b/package/mac80211/patches/530-ath9k_limit_qlen.patch
@@ -65,7 +65,7 @@
  		__skb_unlink(skb, &tid->buf_q);
  		list_add_tail(&bf->list, bf_q);
  		if (bf_prev)
-@@ -1728,6 +1739,8 @@ static void ath_tx_send_ampdu(struct ath
+@@ -1740,6 +1751,8 @@ static void ath_tx_send_ampdu(struct ath
  	/* Add sub-frame to BAW */
  	ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
  
@@ -74,7 +74,7 @@
  	/* Queue to h/w without aggregation */
  	TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
  	bf->bf_lastbf = bf;
-@@ -1878,22 +1891,11 @@ error:
+@@ -1890,22 +1903,11 @@ error:
  
  /* FIXME: tx power */
  static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
@@ -99,7 +99,7 @@
  
  	if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && tid) {
  		/*
-@@ -1925,6 +1927,7 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1937,6 +1939,7 @@ int ath_tx_start(struct ieee80211_hw *hw
  	struct ieee80211_vif *vif = info->control.vif;
  	struct ath_softc *sc = hw->priv;
  	struct ath_txq *txq = txctl->txq;
@@ -107,7 +107,7 @@
  	int padpos, padsize;
  	int frmlen = skb->len + FCS_LEN;
  	int q;
-@@ -1967,6 +1970,24 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1979,6 +1982,24 @@ int ath_tx_start(struct ieee80211_hw *hw
  
  	setup_frame_info(hw, skb, frmlen);
  
@@ -132,7 +132,7 @@
  	/*
  	 * At this point, the vif, hw_key and sta pointers in the tx control
  	 * info are no longer valid (overwritten by the ath_frame_info data.
-@@ -1981,7 +2002,7 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1993,7 +2014,7 @@ int ath_tx_start(struct ieee80211_hw *hw
  		txq->stopped = true;
  	}