ath9k: merge a pending fix for 5 ghz rx latency

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28137 3c298f89-4303-0410-b956-a3cf2f4a3e73

8 files changed, 74 insertions, 26 deletions

diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index 01df8f745..ce766af82 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -258,7 +258,28 @@
  	if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -997,8 +997,14 @@ void ath9k_hw_init_global_settings(struc
+@@ -975,7 +975,10 @@ void ath9k_hw_init_global_settings(struc
+ 	if (ah->misc_mode != 0)
+ 		REG_SET_BIT(ah, AR_PCU_MISC, ah->misc_mode);
+ 
+-	rx_lat = 37;
++	if (IS_CHAN_A_FAST_CLOCK(ah, chan))
++		rx_lat = 41;
++	else
++		rx_lat = 37;
+ 	tx_lat = 54;
+ 
+ 	if (IS_CHAN_HALF_RATE(chan)) {
+@@ -989,7 +992,7 @@ void ath9k_hw_init_global_settings(struc
+ 		sifstime = 32;
+ 	} else if (IS_CHAN_QUARTER_RATE(chan)) {
+ 		eifs = 340;
+-		rx_lat *= 4;
++		rx_lat = (rx_lat * 4) - 1;
+ 		tx_lat *= 4;
+ 		if (IS_CHAN_A_FAST_CLOCK(ah, chan))
+ 		    tx_lat += 22;
+@@ -997,8 +1000,14 @@ void ath9k_hw_init_global_settings(struc
  		slottime = 21;
  		sifstime = 64;
  	} else {
diff --git a/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch b/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
index e2bfde443..6c29e9cbc 100644
--- a/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
+++ b/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1671,8 +1671,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -1674,8 +1674,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  	REG_WRITE(ah, AR_OBS, 8);
  
  	if (ah->config.rx_intr_mitigation) {
diff --git a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
index fedd17f51..b144af454 100644
--- a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
+++ b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
@@ -61,7 +61,7 @@
  			return -EINVAL;
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1504,6 +1504,10 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -1507,6 +1507,10 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  	}
  	ah->noise = ath9k_hw_getchan_noise(ah, chan);
  
diff --git a/package/mac80211/patches/570-ath9k_fix_ack_cts_timeout.patch b/package/mac80211/patches/570-ath9k_fix_ack_cts_timeout.patch
index 27055582c..ed955b4ae 100644
--- a/package/mac80211/patches/570-ath9k_fix_ack_cts_timeout.patch
+++ b/package/mac80211/patches/570-ath9k_fix_ack_cts_timeout.patch
@@ -9,7 +9,7 @@
  	int slottime;
  	int sifstime;
  	int rx_lat = 0, tx_lat = 0, eifs = 0;
-@@ -1026,6 +1026,7 @@ void ath9k_hw_init_global_settings(struc
+@@ -1029,6 +1029,7 @@ void ath9k_hw_init_global_settings(struc
  
  	/* As defined by IEEE 802.11-2007 17.3.8.6 */
  	acktimeout = slottime + sifstime + 3 * ah->coverage_class;
@@ -17,7 +17,7 @@
  
  	/*
  	 * Workaround for early ACK timeouts, add an offset to match the
-@@ -1040,7 +1041,7 @@ void ath9k_hw_init_global_settings(struc
+@@ -1043,7 +1044,7 @@ void ath9k_hw_init_global_settings(struc
  	ath9k_hw_set_sifs_time(ah, sifstime);
  	ath9k_hw_setslottime(ah, slottime);
  	ath9k_hw_set_ack_timeout(ah, acktimeout);
diff --git a/package/mac80211/patches/580-ath9k_remove_common_chainmask.patch b/package/mac80211/patches/580-ath9k_remove_common_chainmask.patch
index 9ef623b91..58d972cb0 100644
--- a/package/mac80211/patches/580-ath9k_remove_common_chainmask.patch
+++ b/package/mac80211/patches/580-ath9k_remove_common_chainmask.patch
@@ -69,7 +69,7 @@
  	ath9k_ps_restore(sc);
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1485,9 +1485,6 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -1488,9 +1488,6 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  	u64 tsf = 0;
  	int i, r;
  
@@ -79,7 +79,7 @@
  	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
  		return -EIO;
  
-@@ -2105,6 +2102,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw
+@@ -2108,6 +2105,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw
  
  	pCap->tx_chainmask = fixup_chainmask(chip_chainmask, pCap->tx_chainmask);
  	pCap->rx_chainmask = fixup_chainmask(chip_chainmask, pCap->rx_chainmask);
diff --git a/package/mac80211/patches/581-ath9k_use_reset_work.patch b/package/mac80211/patches/581-ath9k_use_reset_work.patch
index b9dce8a1a..7836718bb 100644
--- a/package/mac80211/patches/581-ath9k_use_reset_work.patch
+++ b/package/mac80211/patches/581-ath9k_use_reset_work.patch
@@ -57,7 +57,15 @@
  	INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -595,74 +595,6 @@ static void ath_node_detach(struct ath_s
+@@ -236,6 +236,7 @@ static int ath_set_channel(struct ath_so
+ 	del_timer_sync(&common->ani.timer);
+ 	cancel_work_sync(&sc->paprd_work);
+ 	cancel_work_sync(&sc->hw_check_work);
++	cancel_work_sync(&sc->hw_reset_work);
+ 	cancel_delayed_work_sync(&sc->tx_complete_work);
+ 	cancel_delayed_work_sync(&sc->hw_pll_work);
+ 
+@@ -595,74 +596,6 @@ static void ath_node_detach(struct ath_s
  		ath_tx_node_cleanup(sc, an);
  }
  
@@ -132,7 +140,7 @@
  
  void ath9k_tasklet(unsigned long data)
  {
-@@ -675,9 +607,7 @@ void ath9k_tasklet(unsigned long data)
+@@ -675,9 +608,7 @@ void ath9k_tasklet(unsigned long data)
  
  	if ((status & ATH9K_INT_FATAL) ||
  	    (status & ATH9K_INT_BB_WATCHDOG)) {
@@ -143,7 +151,7 @@
  		return;
  	}
  
-@@ -968,13 +898,14 @@ void ath_radio_disable(struct ath_softc 
+@@ -968,13 +899,14 @@ void ath_radio_disable(struct ath_softc 
  	ath9k_ps_restore(sc);
  }
  
@@ -159,7 +167,7 @@
  	sc->hw_busy_count = 0;
  
  	/* Stop ANI */
-@@ -1035,6 +966,84 @@ int ath_reset(struct ath_softc *sc, bool
+@@ -1035,6 +967,84 @@ int ath_reset(struct ath_softc *sc, bool
  	return r;
  }
  
@@ -244,6 +252,14 @@
  /**********************/
  /* mac80211 callbacks */
  /**********************/
+@@ -1227,6 +1237,7 @@ static void ath9k_stop(struct ieee80211_
+ 	cancel_delayed_work_sync(&sc->hw_pll_work);
+ 	cancel_work_sync(&sc->paprd_work);
+ 	cancel_work_sync(&sc->hw_check_work);
++	cancel_work_sync(&sc->hw_reset_work);
+ 
+ 	if (sc->sc_flags & SC_OP_INVALID) {
+ 		ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
 --- a/drivers/net/wireless/ath/ath9k/xmit.c
 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
 @@ -603,8 +603,10 @@ static void ath_tx_complete_aggr(struct 
@@ -259,6 +275,15 @@
  }
  
  static bool ath_lookup_legacy(struct ath_buf *bf)
+@@ -1357,7 +1359,7 @@ void ath_txq_schedule(struct ath_softc *
+ 	struct ath_atx_ac *ac, *ac_tmp, *last_ac;
+ 	struct ath_atx_tid *tid, *last_tid;
+ 
+-	if (list_empty(&txq->axq_acq) ||
++	if ((sc->sc_flags & SC_OP_HW_RESET) || list_empty(&txq->axq_acq) ||
+ 	    txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+ 		return;
+ 
 @@ -2184,6 +2186,9 @@ static void ath_tx_processq(struct ath_s
  
  	spin_lock_bh(&txq->axq_lock);
diff --git a/package/mac80211/patches/582-ath9k_merge_reset_functions.patch b/package/mac80211/patches/582-ath9k_merge_reset_functions.patch
index 8d22d8f79..ff491a4a9 100644
--- a/package/mac80211/patches/582-ath9k_merge_reset_functions.patch
+++ b/package/mac80211/patches/582-ath9k_merge_reset_functions.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -212,83 +212,57 @@ static int ath_update_survey_stats(struc
+@@ -212,84 +212,57 @@ static int ath_update_survey_stats(struc
  	return ret;
  }
  
@@ -29,6 +29,7 @@
 -	del_timer_sync(&common->ani.timer);
  	cancel_work_sync(&sc->paprd_work);
  	cancel_work_sync(&sc->hw_check_work);
+-	cancel_work_sync(&sc->hw_reset_work);
  	cancel_delayed_work_sync(&sc->tx_complete_work);
  	cancel_delayed_work_sync(&sc->hw_pll_work);
 +}
@@ -117,7 +118,7 @@
  	}
  
  	ath9k_cmn_update_txpow(ah, sc->curtxpow,
-@@ -296,21 +270,95 @@ static int ath_set_channel(struct ath_so
+@@ -297,21 +270,95 @@ static int ath_set_channel(struct ath_so
  	ath9k_hw_set_interrupts(ah, ah->imask);
  	ath9k_hw_enable_interrupts(ah);
  
@@ -216,7 +217,7 @@
  	return r;
  }
  
-@@ -823,28 +871,13 @@ static void ath_radio_enable(struct ath_
+@@ -824,28 +871,13 @@ static void ath_radio_enable(struct ath_
  			channel->center_freq, r);
  	}
  
@@ -246,7 +247,7 @@
  	spin_unlock_bh(&sc->sc_pcu_lock);
  
  	ath9k_ps_restore(sc);
-@@ -857,11 +890,10 @@ void ath_radio_disable(struct ath_softc 
+@@ -858,11 +890,10 @@ void ath_radio_disable(struct ath_softc 
  	int r;
  
  	ath9k_ps_wakeup(sc);
@@ -260,7 +261,7 @@
  
  	/*
  	 * Keep the LED on when the radio is disabled
-@@ -872,13 +904,7 @@ void ath_radio_disable(struct ath_softc 
+@@ -873,13 +904,7 @@ void ath_radio_disable(struct ath_softc 
  		ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
  	}
  
@@ -275,7 +276,7 @@
  
  	if (!ah->curchan)
  		ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
-@@ -900,49 +926,11 @@ void ath_radio_disable(struct ath_softc 
+@@ -901,49 +926,11 @@ void ath_radio_disable(struct ath_softc 
  
  static int ath_reset(struct ath_softc *sc, bool retry_tx)
  {
@@ -326,7 +327,7 @@
  
  	if (retry_tx) {
  		int i;
-@@ -955,12 +943,6 @@ static int ath_reset(struct ath_softc *s
+@@ -956,12 +943,6 @@ static int ath_reset(struct ath_softc *s
  		}
  	}
  
@@ -339,7 +340,7 @@
  	ath9k_ps_restore(sc);
  
  	return r;
-@@ -970,9 +952,7 @@ void ath_reset_work(struct work_struct *
+@@ -971,9 +952,7 @@ void ath_reset_work(struct work_struct *
  {
  	struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work);
  
@@ -349,7 +350,7 @@
  }
  
  void ath_hw_check(struct work_struct *work)
-@@ -993,11 +973,8 @@ void ath_hw_check(struct work_struct *wo
+@@ -994,11 +973,8 @@ void ath_hw_check(struct work_struct *wo
  	ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, "
  		"busy=%d (try %d)\n", busy, sc->hw_busy_count + 1);
  	if (busy >= 99) {
@@ -363,7 +364,7 @@
  
  	} else if (busy >= 0)
  		sc->hw_busy_count = 0;
-@@ -1017,9 +994,7 @@ static void ath_hw_pll_rx_hang_check(str
+@@ -1018,9 +994,7 @@ static void ath_hw_pll_rx_hang_check(str
  			/* Rx is hung for more than 500ms. Reset it */
  			ath_dbg(common, ATH_DBG_RESET,
  				"Possible RX hang, resetting");
@@ -374,7 +375,7 @@
  			count = 0;
  		}
  	} else
-@@ -1090,28 +1065,6 @@ static int ath9k_start(struct ieee80211_
+@@ -1091,28 +1065,6 @@ static int ath9k_start(struct ieee80211_
  		goto mutex_unlock;
  	}
  
@@ -403,7 +404,7 @@
  	/* Setup our intr mask. */
  	ah->imask = ATH9K_INT_TX | ATH9K_INT_RXEOL |
  		    ATH9K_INT_RXORN | ATH9K_INT_FATAL |
-@@ -1134,12 +1087,14 @@ static int ath9k_start(struct ieee80211_
+@@ -1135,12 +1087,14 @@ static int ath9k_start(struct ieee80211_
  
  	/* Disable BMISS interrupt when we're not associated */
  	ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
@@ -422,7 +423,7 @@
  
  	if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
  	    !ah->btcoex_hw.enabled) {
-@@ -1232,10 +1187,7 @@ static void ath9k_stop(struct ieee80211_
+@@ -1233,11 +1187,7 @@ static void ath9k_stop(struct ieee80211_
  
  	mutex_lock(&sc->mutex);
  
@@ -430,11 +431,12 @@
 -	cancel_delayed_work_sync(&sc->hw_pll_work);
 -	cancel_work_sync(&sc->paprd_work);
 -	cancel_work_sync(&sc->hw_check_work);
+-	cancel_work_sync(&sc->hw_reset_work);
 +	ath_cancel_work(sc);
  
  	if (sc->sc_flags & SC_OP_INVALID) {
  		ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
-@@ -2352,9 +2304,11 @@ static void ath9k_flush(struct ieee80211
+@@ -2354,9 +2304,11 @@ static void ath9k_flush(struct ieee80211
  	ath9k_ps_wakeup(sc);
  	spin_lock_bh(&sc->sc_pcu_lock);
  	drain_txq = ath_drain_all_txq(sc, false);
diff --git a/package/mac80211/patches/593-ath9k_ar9280_cold_reset.patch b/package/mac80211/patches/593-ath9k_ar9280_cold_reset.patch
index 0f770fc04..bbc462077 100644
--- a/package/mac80211/patches/593-ath9k_ar9280_cold_reset.patch
+++ b/package/mac80211/patches/593-ath9k_ar9280_cold_reset.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1368,10 +1368,16 @@ static bool ath9k_hw_set_reset_reg(struc
+@@ -1371,10 +1371,16 @@ static bool ath9k_hw_set_reset_reg(struc
  static bool ath9k_hw_chip_reset(struct ath_hw *ah,
  				struct ath9k_channel *chan)
  {