Merge branch 'for-linville' of git://github.com/kvalo/ath6kl

drivers/net/wireless/ath/ath6kl/Makefile

 #------------------------------------------------------------------------------
-# Copyright (c) 2004-2010 Atheros Communications Inc.
+# Copyright (c) 2004-2011 Atheros Communications Inc.
+# Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
 # All rights reserved.
 #
 #

drivers/net/wireless/ath/ath6kl/bmi.c

 /*
  * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -105,7 +106,7 @@ int ath6kl_bmi_get_target_info(struct ath6kl *ar,
 	}
 
 	ath6kl_dbg(ATH6KL_DBG_BMI, "target info (ver: 0x%x type: 0x%x)\n",
-		targ_info->version, targ_info->type);
+		   targ_info->version, targ_info->type);
 
 	return 0;
 }
@@ -192,7 +193,7 @@ int ath6kl_bmi_write(struct ath6kl *ar, u32 addr, u8 *buf, u32 len)
 	memset(ar->bmi.cmd_buf, 0, ar->bmi.max_data_size + header);
 
 	ath6kl_dbg(ATH6KL_DBG_BMI,
-		  "bmi write memory: addr: 0x%x, len: %d\n", addr, len);
+		   "bmi write memory: addr: 0x%x, len: %d\n", addr, len);
 
 	len_remain = len;
 	while (len_remain) {
@@ -434,7 +435,7 @@ int ath6kl_bmi_lz_data(struct ath6kl *ar, u8 *buf, u32 len)
 		memcpy(&(ar->bmi.cmd_buf[offset]), &tx_len, sizeof(tx_len));
 		offset += sizeof(tx_len);
 		memcpy(&(ar->bmi.cmd_buf[offset]), &buf[len - len_remain],
-			tx_len);
+		       tx_len);
 		offset += tx_len;
 
 		ret = ath6kl_hif_bmi_write(ar, ar->bmi.cmd_buf, offset);

drivers/net/wireless/ath/ath6kl/bmi.h

 /*
  * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -222,6 +223,29 @@ struct ath6kl_bmi_target_info {
 	__le32 type;         /* target type */
 } __packed;
 
+#define ath6kl_bmi_write_hi32(ar, item, val)				\
+	({								\
+		u32 addr;						\
+		__le32 v;						\
+									\
+		addr = ath6kl_get_hi_item_addr(ar, HI_ITEM(item));	\
+		v = cpu_to_le32(val);					\
+		ath6kl_bmi_write(ar, addr, (u8 *) &v, sizeof(v));	\
+	})
+
+#define ath6kl_bmi_read_hi32(ar, item, val)				\
+	({								\
+		u32 addr, *check_type = val;				\
+		__le32 tmp;						\
+		int ret;						\
+									\
+		(void) (check_type == val);				\
+		addr = ath6kl_get_hi_item_addr(ar, HI_ITEM(item));	\
+		ret = ath6kl_bmi_read(ar, addr, (u8 *) &tmp, 4);	\
+		*val = le32_to_cpu(tmp);				\
+		ret;							\
+	})
+
 int ath6kl_bmi_init(struct ath6kl *ar);
 void ath6kl_bmi_cleanup(struct ath6kl *ar);
 void ath6kl_bmi_reset(struct ath6kl *ar);

drivers/net/wireless/ath/ath6kl/cfg80211.h

 /*
  * Copyright (c) 2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

drivers/net/wireless/ath/ath6kl/common.h

 /*
  * Copyright (c) 2010-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

drivers/net/wireless/ath/ath6kl/core.c

 /*
  * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -26,12 +27,14 @@
 
 unsigned int debug_mask;
 static unsigned int suspend_mode;
+static unsigned int wow_mode;
 static unsigned int uart_debug;
 static unsigned int ath6kl_p2p;
 static unsigned int testmode;
 
 module_param(debug_mask, uint, 0644);
 module_param(suspend_mode, uint, 0644);
+module_param(wow_mode, uint, 0644);
 module_param(uart_debug, uint, 0644);
 module_param(ath6kl_p2p, uint, 0644);
 module_param(testmode, uint, 0644);
@@ -97,48 +100,12 @@ int ath6kl_core_init(struct ath6kl *ar)
 
 	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
 
-	ret = ath6kl_cfg80211_init(ar);
-	if (ret)
-		goto err_node_cleanup;
-
-	ret = ath6kl_debug_init(ar);
-	if (ret) {
-		wiphy_unregister(ar->wiphy);
-		goto err_node_cleanup;
-	}
-
-	for (i = 0; i < ar->vif_max; i++)
-		ar->avail_idx_map |= BIT(i);
-
-	rtnl_lock();
-
-	/* Add an initial station interface */
-	ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
-				    INFRA_NETWORK);
-
-	rtnl_unlock();
-
-	if (!ndev) {
-		ath6kl_err("Failed to instantiate a network device\n");
-		ret = -ENOMEM;
-		wiphy_unregister(ar->wiphy);
-		goto err_debug_init;
-	}
-
-
-	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
-			__func__, ndev->name, ndev, ar);
-
 	/* setup access class priority mappings */
 	ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest  */
 	ar->ac_stream_pri_map[WMM_AC_BE] = 1;
 	ar->ac_stream_pri_map[WMM_AC_VI] = 2;
 	ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
 
-	/* give our connected endpoints some buffers */
-	ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
-	ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
-
 	/* allocate some buffers that handle larger AMSDU frames */
 	ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
 
@@ -148,32 +115,25 @@ int ath6kl_core_init(struct ath6kl *ar)
 			 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
 
 	if (suspend_mode &&
-		suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
-		suspend_mode <= WLAN_POWER_STATE_WOW)
+	    suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
+	    suspend_mode <= WLAN_POWER_STATE_WOW)
 		ar->suspend_mode = suspend_mode;
 	else
 		ar->suspend_mode = 0;
 
+	if (suspend_mode == WLAN_POWER_STATE_WOW &&
+	    (wow_mode == WLAN_POWER_STATE_CUT_PWR ||
+	     wow_mode == WLAN_POWER_STATE_DEEP_SLEEP))
+		ar->wow_suspend_mode = wow_mode;
+	else
+		ar->wow_suspend_mode = 0;
+
 	if (uart_debug)
 		ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
 
-	ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
-			    WIPHY_FLAG_HAVE_AP_SME |
-			    WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
-			    WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
-
-	if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
-		ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
-
-	ar->wiphy->probe_resp_offload =
-		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
-		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
-		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P |
-		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U;
-
 	set_bit(FIRST_BOOT, &ar->flag);
 
-	ndev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
+	ath6kl_debug_init(ar);
 
 	ret = ath6kl_init_hw_start(ar);
 	if (ret) {
@@ -181,24 +141,47 @@ int ath6kl_core_init(struct ath6kl *ar)
 		goto err_rxbuf_cleanup;
 	}
 
-	/*
-	 * Set mac address which is received in ready event
-	 * FIXME: Move to ath6kl_interface_add()
-	 */
-	memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
+	/* give our connected endpoints some buffers */
+	ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
+	ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
+
+	ret = ath6kl_cfg80211_init(ar);
+	if (ret)
+		goto err_rxbuf_cleanup;
+
+	ret = ath6kl_debug_init_fs(ar);
+	if (ret) {
+		wiphy_unregister(ar->wiphy);
+		goto err_rxbuf_cleanup;
+	}
+
+	for (i = 0; i < ar->vif_max; i++)
+		ar->avail_idx_map |= BIT(i);
+
+	rtnl_lock();
+
+	/* Add an initial station interface */
+	ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
+				    INFRA_NETWORK);
+
+	rtnl_unlock();
+
+	if (!ndev) {
+		ath6kl_err("Failed to instantiate a network device\n");
+		ret = -ENOMEM;
+		wiphy_unregister(ar->wiphy);
+		goto err_rxbuf_cleanup;
+	}
+
+	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
+		   __func__, ndev->name, ndev, ar);
 
 	return ret;
 
 err_rxbuf_cleanup:
+	ath6kl_debug_cleanup(ar);
 	ath6kl_htc_flush_rx_buf(ar->htc_target);
 	ath6kl_cleanup_amsdu_rxbufs(ar);
-	rtnl_lock();
-	ath6kl_cfg80211_vif_cleanup(netdev_priv(ndev));
-	rtnl_unlock();
-	wiphy_unregister(ar->wiphy);
-err_debug_init:
-	ath6kl_debug_cleanup(ar);
-err_node_cleanup:
 	ath6kl_wmi_shutdown(ar->wmi);
 	clear_bit(WMI_ENABLED, &ar->flag);
 	ar->wmi = NULL;
@@ -245,9 +228,7 @@ struct ath6kl *ath6kl_core_create(struct device *dev)
 	clear_bit(SKIP_SCAN, &ar->flag);
 	clear_bit(DESTROY_IN_PROGRESS, &ar->flag);
 
-	ar->listen_intvl_b = A_DEFAULT_LISTEN_INTERVAL;
 	ar->tx_pwr = 0;
-
 	ar->intra_bss = 1;
 	ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
 
@@ -261,6 +242,8 @@ struct ath6kl *ath6kl_core_create(struct device *dev)
 		spin_lock_init(&ar->sta_list[ctr].psq_lock);
 		skb_queue_head_init(&ar->sta_list[ctr].psq);
 		skb_queue_head_init(&ar->sta_list[ctr].apsdq);
+		ar->sta_list[ctr].mgmt_psq_len = 0;
+		INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq);
 		ar->sta_list[ctr].aggr_conn =
 			kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL);
 		if (!ar->sta_list[ctr].aggr_conn) {

drivers/net/wireless/ath/ath6kl/core.h

 /*
  * Copyright (c) 2010-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -59,8 +60,9 @@
 #define MAX_DEFAULT_SEND_QUEUE_DEPTH      (MAX_DEF_COOKIE_NUM / WMM_NUM_AC)
 
 #define DISCON_TIMER_INTVAL               10000  /* in msec */
-#define A_DEFAULT_LISTEN_INTERVAL         1      /* beacon intervals */
-#define A_MAX_WOW_LISTEN_INTERVAL         1000
+
+/* Channel dwell time in fg scan */
+#define ATH6KL_FG_SCAN_INTERVAL		50 /* in ms */
 
 /* includes also the null byte */
 #define ATH6KL_FIRMWARE_MAGIC               "QCA-ATH6KL"
@@ -183,6 +185,11 @@ struct ath6kl_fw_ie {
 
 #define MBOX_YIELD_LIMIT 99
 
+#define ATH6KL_DEFAULT_LISTEN_INTVAL	100 /* in TUs */
+#define ATH6KL_DEFAULT_BMISS_TIME	1500
+#define ATH6KL_MAX_WOW_LISTEN_INTL	300 /* in TUs */
+#define ATH6KL_MAX_BMISS_TIME		5000
+
 /* configuration lags */
 /*
  * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in
@@ -226,6 +233,12 @@ struct rxtid {
 	u32 hold_q_sz;
 	struct skb_hold_q *hold_q;
 	struct sk_buff_head q;
+
+	/*
+	 * FIXME: No clue what this should protect. Apparently it should
+	 * protect some of the fields above but they are also accessed
+	 * without taking the lock.
+	 */
 	spinlock_t lock;
 };
 
@@ -285,6 +298,16 @@ struct ath6kl_cookie {
 	struct ath6kl_cookie *arc_list_next;
 };
 
+struct ath6kl_mgmt_buff {
+	struct list_head list;
+	u32 freq;
+	u32 wait;
+	u32 id;
+	bool no_cck;
+	size_t len;
+	u8 buf[0];
+};
+
 struct ath6kl_sta {
 	u16 sta_flags;
 	u8 mac[ETH_ALEN];
@@ -294,7 +317,12 @@ struct ath6kl_sta {
 	u8 auth;
 	u8 wpa_ie[ATH6KL_MAX_IE];
 	struct sk_buff_head psq;
+
+	/* protects psq, mgmt_psq, apsdq, and mgmt_psq_len fields */
 	spinlock_t psq_lock;
+
+	struct list_head mgmt_psq;
+	size_t mgmt_psq_len;
 	u8 apsd_info;
 	struct sk_buff_head apsdq;
 	struct aggr_info_conn *aggr_conn;
@@ -494,6 +522,8 @@ struct ath6kl_vif {
 	bool probe_req_report;
 	u16 next_chan;
 	u16 assoc_bss_beacon_int;
+	u16 listen_intvl_t;
+	u16 bmiss_time_t;
 	u8 assoc_bss_dtim_period;
 	struct net_device_stats net_stats;
 	struct target_stats target_stats;
@@ -521,6 +551,8 @@ enum ath6kl_dev_state {
 enum ath6kl_state {
 	ATH6KL_STATE_OFF,
 	ATH6KL_STATE_ON,
+	ATH6KL_STATE_SUSPENDING,
+	ATH6KL_STATE_RESUMING,
 	ATH6KL_STATE_DEEPSLEEP,
 	ATH6KL_STATE_CUTPOWER,
 	ATH6KL_STATE_WOW,
@@ -549,9 +581,14 @@ struct ath6kl {
 	unsigned int vif_max;
 	u8 max_norm_iface;
 	u8 avail_idx_map;
+
+	/*
+	 * Protects at least amsdu_rx_buffer_queue, ath6kl_alloc_cookie()
+	 * calls, tx_pending and total_tx_data_pend.
+	 */
 	spinlock_t lock;
+
 	struct semaphore sem;
-	u16 listen_intvl_b;
 	u8 lrssi_roam_threshold;
 	struct ath6kl_version version;
 	u32 target_type;
@@ -577,7 +614,13 @@ struct ath6kl {
 	u8 sta_list_index;
 	struct ath6kl_req_key ap_mode_bkey;
 	struct sk_buff_head mcastpsq;
+
+	/*
+	 * FIXME: protects access to mcastpsq but is actually useless as
+	 * all skbe_queue_*() functions provide serialisation themselves
+	 */
 	spinlock_t mcastpsq_lock;
+
 	u8 intra_bss;
 	struct wmi_ap_mode_stat ap_stats;
 	u8 ap_country_code[3];
@@ -620,6 +663,7 @@ struct ath6kl {
 
 	u16 conf_flags;
 	u16 suspend_mode;
+	u16 wow_suspend_mode;
 	wait_queue_head_t event_wq;
 	struct ath6kl_mbox_info mbox_info;
 
@@ -650,12 +694,16 @@ struct ath6kl {
 
 	bool p2p;
 
+	bool wiphy_registered;
+
 #ifdef CONFIG_ATH6KL_DEBUG
 	struct {
-		struct circ_buf fwlog_buf;
-		spinlock_t fwlog_lock;
-		void *fwlog_tmp;
+		struct sk_buff_head fwlog_queue;
+		struct completion fwlog_completion;
+		bool fwlog_open;
+
 		u32 fwlog_mask;
+
 		unsigned int dbgfs_diag_reg;
 		u32 diag_reg_addr_wr;
 		u32 diag_reg_val_wr;
@@ -727,10 +775,10 @@ struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target,
 void aggr_module_destroy(struct aggr_info *aggr_info);
 void aggr_reset_state(struct aggr_info_conn *aggr_conn);
 
-struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 * node_addr);
+struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr);
 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid);
 
-void ath6kl_ready_event(void *devt, u8 * datap, u32 sw_ver, u32 abi_ver);
+void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver);
 int ath6kl_control_tx(void *devt, struct sk_buff *skb,
 		      enum htc_endpoint_id eid);
 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel,

drivers/net/wireless/ath/ath6kl/debug.h

 /*
  * Copyright (c) 2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -77,7 +78,8 @@ int ath6kl_debug_roam_tbl_event(struct ath6kl *ar, const void *buf,
 				size_t len);
 void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive);
 void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar, u8 timeout);
-int ath6kl_debug_init(struct ath6kl *ar);
+void ath6kl_debug_init(struct ath6kl *ar);
+int ath6kl_debug_init_fs(struct ath6kl *ar);
 void ath6kl_debug_cleanup(struct ath6kl *ar);
 
 #else
@@ -127,7 +129,11 @@ static inline void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar,
 {
 }
 
-static inline int ath6kl_debug_init(struct ath6kl *ar)
+static inline void ath6kl_debug_init(struct ath6kl *ar)
+{
+}
+
+static inline int ath6kl_debug_init_fs(struct ath6kl *ar)
 {
 	return 0;
 }

drivers/net/wireless/ath/ath6kl/hif-ops.h

 /*
  * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

drivers/net/wireless/ath/ath6kl/hif.c

 /*
  * Copyright (c) 2007-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -89,7 +90,7 @@ static void ath6kl_hif_dump_fw_crash(struct ath6kl *ar)
 	}
 
 	ath6kl_dbg(ATH6KL_DBG_IRQ, "register dump data address 0x%x\n",
-		regdump_addr);
+		   regdump_addr);
 	regdump_addr = TARG_VTOP(ar->target_type, regdump_addr);
 
 	/* fetch register dump data */
@@ -106,9 +107,9 @@ static void ath6kl_hif_dump_fw_crash(struct ath6kl *ar)
 
 	BUILD_BUG_ON(REG_DUMP_COUNT_AR6003 % 4);
 
-	for (i = 0; i < REG_DUMP_COUNT_AR6003 / 4; i++) {
+	for (i = 0; i < REG_DUMP_COUNT_AR6003; i += 4) {
 		ath6kl_info("%d: 0x%8.8x 0x%8.8x 0x%8.8x 0x%8.8x\n",
-			    4 * i,
+			    i,
 			    le32_to_cpu(regdump_val[i]),
 			    le32_to_cpu(regdump_val[i + 1]),
 			    le32_to_cpu(regdump_val[i + 2]),
@@ -134,6 +135,7 @@ static int ath6kl_hif_proc_dbg_intr(struct ath6kl_device *dev)
 		ath6kl_warn("Failed to clear debug interrupt: %d\n", ret);
 
 	ath6kl_hif_dump_fw_crash(dev->ar);
+	ath6kl_read_fwlogs(dev->ar);
 
 	return ret;
 }
@@ -283,7 +285,7 @@ static int ath6kl_hif_proc_counter_intr(struct ath6kl_device *dev)
 			     dev->irq_en_reg.cntr_int_status_en;
 
 	ath6kl_dbg(ATH6KL_DBG_IRQ,
-		"valid interrupt source(s) in COUNTER_INT_STATUS: 0x%x\n",
+		   "valid interrupt source(s) in COUNTER_INT_STATUS: 0x%x\n",
 		counter_int_status);
 
 	/*
@@ -358,7 +360,7 @@ static int ath6kl_hif_proc_cpu_intr(struct ath6kl_device *dev)
 	}
 
 	ath6kl_dbg(ATH6KL_DBG_IRQ,
-		"valid interrupt source(s) in CPU_INT_STATUS: 0x%x\n",
+		   "valid interrupt source(s) in CPU_INT_STATUS: 0x%x\n",
 		cpu_int_status);
 
 	/* Clear the interrupt */

drivers/net/wireless/ath/ath6kl/hif.h

 /*
  * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -197,6 +198,8 @@ struct hif_scatter_req {
 	u8 *virt_dma_buf;
 
 	struct hif_scatter_item scat_list[1];
+
+	u32 scat_q_depth;
 };
 
 struct ath6kl_irq_proc_registers {
@@ -220,6 +223,7 @@ struct ath6kl_irq_enable_reg {
 } __packed;
 
 struct ath6kl_device {
+	/* protects irq_proc_reg and irq_en_reg below */
 	spinlock_t lock;
 	struct ath6kl_irq_proc_registers irq_proc_reg;
 	struct ath6kl_irq_enable_reg irq_en_reg;

drivers/net/wireless/ath/ath6kl/htc.h

 /*
  * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -87,6 +88,8 @@
 #define WMI_DATA_VO_SVC   MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 4)
 #define WMI_MAX_SERVICES  5
 
+#define WMM_NUM_AC  4
+
 /* reserved and used to flush ALL packets */
 #define HTC_TX_PACKET_TAG_ALL          0
 #define HTC_SERVICE_TX_PACKET_TAG      1
@@ -498,6 +501,7 @@ struct htc_endpoint {
 	u8 seqno;
 	u32 conn_flags;
 	struct htc_endpoint_stats ep_st;
+	u16 tx_drop_packet_threshold;
 };
 
 struct htc_control_buffer {
@@ -519,9 +523,16 @@ struct htc_target {
 	struct ath6kl_htc_credit_info *credit_info;
 	int tgt_creds;
 	unsigned int tgt_cred_sz;
+
+	/* protects free_ctrl_txbuf and free_ctrl_rxbuf */
 	spinlock_t htc_lock;
+
+	/* FIXME: does this protext rx_bufq and endpoint structures or what? */
 	spinlock_t rx_lock;
+
+	/* protects endpoint->txq */
 	spinlock_t tx_lock;
+
 	struct ath6kl_device *dev;
 	u32 htc_flags;
 	u32 rx_st_flags;
@@ -531,7 +542,7 @@ struct htc_target {
 	/* max messages per bundle for HTC */
 	int msg_per_bndl_max;
 
-	bool tx_bndl_enable;
+	u32 tx_bndl_mask;
 	int rx_bndl_enable;
 	int max_rx_bndl_sz;
 	int max_tx_bndl_sz;
@@ -543,6 +554,9 @@ struct htc_target {
 	int max_xfer_szper_scatreq;
 
 	int chk_irq_status_cnt;
+
+	/* counts the number of Tx without bundling continously per AC */
+	u32 ac_tx_count[WMM_NUM_AC];
 };
 
 void *ath6kl_htc_create(struct ath6kl *ar);

drivers/net/wireless/ath/ath6kl/main.c

 /*
  * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -80,11 +81,21 @@ static void ath6kl_add_new_sta(struct ath6kl_vif *vif, u8 *mac, u16 aid,
 static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i)
 {
 	struct ath6kl_sta *sta = &ar->sta_list[i];
+	struct ath6kl_mgmt_buff *entry, *tmp;
 
 	/* empty the queued pkts in the PS queue if any */
 	spin_lock_bh(&sta->psq_lock);
 	skb_queue_purge(&sta->psq);
 	skb_queue_purge(&sta->apsdq);
+
+	if (sta->mgmt_psq_len != 0) {
+		list_for_each_entry_safe(entry, tmp, &sta->mgmt_psq, list) {
+			kfree(entry);
+		}
+		INIT_LIST_HEAD(&sta->mgmt_psq);
+		sta->mgmt_psq_len = 0;
+	}
+
 	spin_unlock_bh(&sta->psq_lock);
 
 	memset(&ar->ap_stats.sta[sta->aid - 1], 0,
@@ -339,7 +350,7 @@ void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
 	__le32 data;
 
 	if (target_type != TARGET_TYPE_AR6003 &&
-		target_type != TARGET_TYPE_AR6004)
+	    target_type != TARGET_TYPE_AR6004)
 		return;
 
 	data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) :
@@ -588,11 +599,9 @@ void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid,
 	memcpy(vif->bssid, bssid, sizeof(vif->bssid));
 	vif->bss_ch = channel;
 
-	if ((vif->nw_type == INFRA_NETWORK)) {
-		ar->listen_intvl_b = listen_int;
+	if ((vif->nw_type == INFRA_NETWORK))
 		ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
-					      0, ar->listen_intvl_b);
-	}
+					      vif->listen_intvl_t, 0);
 
 	netif_wake_queue(vif->ndev);
 
@@ -810,6 +819,7 @@ void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid)
 	struct sk_buff *skb;
 	bool psq_empty = false;
 	struct ath6kl *ar = vif->ar;
+	struct ath6kl_mgmt_buff *mgmt_buf;
 
 	conn = ath6kl_find_sta_by_aid(ar, aid);
 
@@ -820,7 +830,7 @@ void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid)
 	 * becomes empty update the PVB for this station.
 	 */
 	spin_lock_bh(&conn->psq_lock);
-	psq_empty  = skb_queue_empty(&conn->psq);
+	psq_empty  = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0);
 	spin_unlock_bh(&conn->psq_lock);
 
 	if (psq_empty)
@@ -828,15 +838,31 @@ void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid)
 		return;
 
 	spin_lock_bh(&conn->psq_lock);
-	skb = skb_dequeue(&conn->psq);
-	spin_unlock_bh(&conn->psq_lock);
+	if (conn->mgmt_psq_len > 0) {
+		mgmt_buf = list_first_entry(&conn->mgmt_psq,
+					struct ath6kl_mgmt_buff, list);
+		list_del(&mgmt_buf->list);
+		conn->mgmt_psq_len--;
+		spin_unlock_bh(&conn->psq_lock);
+
+		conn->sta_flags |= STA_PS_POLLED;
+		ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx,
+					 mgmt_buf->id, mgmt_buf->freq,
+					 mgmt_buf->wait, mgmt_buf->buf,
+					 mgmt_buf->len, mgmt_buf->no_cck);
+		conn->sta_flags &= ~STA_PS_POLLED;
+		kfree(mgmt_buf);
+	} else {
+		skb = skb_dequeue(&conn->psq);
+		spin_unlock_bh(&conn->psq_lock);
 
-	conn->sta_flags |= STA_PS_POLLED;
-	ath6kl_data_tx(skb, vif->ndev);
-	conn->sta_flags &= ~STA_PS_POLLED;
+		conn->sta_flags |= STA_PS_POLLED;
+		ath6kl_data_tx(skb, vif->ndev);
+		conn->sta_flags &= ~STA_PS_POLLED;
+	}
 
 	spin_lock_bh(&conn->psq_lock);
-	psq_empty  = skb_queue_empty(&conn->psq);
+	psq_empty  = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0);
 	spin_unlock_bh(&conn->psq_lock);
 
 	if (psq_empty)
@@ -922,8 +948,8 @@ void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid,
 	}
 
 	ath6kl_cfg80211_disconnect_event(vif, reason, bssid,
-				       assoc_resp_len, assoc_info,
-				       prot_reason_status);
+					 assoc_resp_len, assoc_info,
+					 prot_reason_status);
 
 	aggr_reset_state(vif->aggr_cntxt->aggr_conn);
 
@@ -943,9 +969,9 @@ void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid,
 	} else {
 		set_bit(CONNECT_PEND, &vif->flags);
 		if (((reason == ASSOC_FAILED) &&
-		    (prot_reason_status == 0x11)) ||
-		    ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0)
-		     && (vif->reconnect_flag == 1))) {
+		     (prot_reason_status == 0x11)) ||
+		    ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) &&
+		     (vif->reconnect_flag == 1))) {
 			set_bit(CONNECTED, &vif->flags);
 			return;
 		}
@@ -1079,7 +1105,7 @@ static void ath6kl_set_multicast_list(struct net_device *ndev)
 	if (mc_all_on || mc_all_off) {
 		/* Enable/disable all multicast */
 		ath6kl_dbg(ATH6KL_DBG_TRC, "%s multicast filter\n",
-			  mc_all_on ? "enabling" : "disabling");
+			   mc_all_on ? "enabling" : "disabling");
 		ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, vif->fw_vif_idx,
 						  mc_all_on);
 		if (ret)
@@ -1092,7 +1118,7 @@ static void ath6kl_set_multicast_list(struct net_device *ndev)
 		found = false;
 		netdev_for_each_mc_addr(ha, ndev) {
 			if (memcmp(ha->addr, mc_filter->hw_addr,
-			    ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) {
+				   ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) {
 				found = true;
 				break;
 			}
@@ -1111,7 +1137,7 @@ static void ath6kl_set_multicast_list(struct net_device *ndev)
 					false);
 			if (ret) {
 				ath6kl_warn("Failed to remove multicast filter:%pM\n",
-					     mc_filter->hw_addr);
+					    mc_filter->hw_addr);
 				return;
 			}
 
@@ -1126,7 +1152,7 @@ static void ath6kl_set_multicast_list(struct net_device *ndev)
 		found = false;
 		list_for_each_entry(mc_filter, &vif->mc_filter, list) {
 			if (memcmp(ha->addr, mc_filter->hw_addr,
-			    ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) {
+				   ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) {
 				found = true;
 				break;
 			}
@@ -1151,7 +1177,7 @@ static void ath6kl_set_multicast_list(struct net_device *ndev)
 					true);
 			if (ret) {
 				ath6kl_warn("Failed to add multicast filter :%pM\n",
-					     mc_filter->hw_addr);
+					    mc_filter->hw_addr);
 				kfree(mc_filter);
 				goto out;
 			}
@@ -1184,5 +1210,7 @@ void init_netdev(struct net_device *dev)
 				sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH
 				+ WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES;
 
+	dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
+
 	return;
 }

drivers/net/wireless/ath/ath6kl/sdio.c

 /*
  * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -31,6 +32,7 @@
 struct ath6kl_sdio {
 	struct sdio_func *func;
 
+	/* protects access to bus_req_freeq */
 	spinlock_t lock;
 
 	/* free list */
@@ -49,16 +51,20 @@ struct ath6kl_sdio {
 	/* scatter request list head */
 	struct list_head scat_req;
 
-	/* Avoids disabling irq while the interrupts being handled */
-	struct mutex mtx_irq;
+	atomic_t irq_handling;
+	wait_queue_head_t irq_wq;
 
+	/* protects access to scat_req */
 	spinlock_t scat_lock;
+
 	bool scatter_enabled;
 
 	bool is_disabled;
 	const struct sdio_device_id *id;
 	struct work_struct wr_async_work;
 	struct list_head wr_asyncq;
+
+	/* protects access to wr_asyncq */
 	spinlock_t wr_async_lock;
 };
 
@@ -404,7 +410,10 @@ static int ath6kl_sdio_read_write_sync(struct ath6kl *ar, u32 addr, u8 *buf,
 			return -ENOMEM;
 		mutex_lock(&ar_sdio->dma_buffer_mutex);
 		tbuf = ar_sdio->dma_buffer;
-		memcpy(tbuf, buf, len);
+
+		if (request & HIF_WRITE)
+			memcpy(tbuf, buf, len);
+
 		bounced = true;
 	} else
 		tbuf = buf;
@@ -462,7 +471,7 @@ static void ath6kl_sdio_irq_handler(struct sdio_func *func)
 	ath6kl_dbg(ATH6KL_DBG_SDIO, "irq\n");
 
 	ar_sdio = sdio_get_drvdata(func);
-	mutex_lock(&ar_sdio->mtx_irq);
+	atomic_set(&ar_sdio->irq_handling, 1);
 	/*
 	 * Release the host during interrups so we can pick it back up when
 	 * we process commands.
@@ -471,7 +480,10 @@ static void ath6kl_sdio_irq_handler(struct sdio_func *func)
 
 	status = ath6kl_hif_intr_bh_handler(ar_sdio->ar);
 	sdio_claim_host(ar_sdio->func);
-	mutex_unlock(&ar_sdio->mtx_irq);
+
+	atomic_set(&ar_sdio->irq_handling, 0);
+	wake_up(&ar_sdio->irq_wq);
+
 	WARN_ON(status && status != -ECANCELED);
 }
 
@@ -572,6 +584,13 @@ static void ath6kl_sdio_irq_enable(struct ath6kl *ar)
 	sdio_release_host(ar_sdio->func);
 }
 
+static bool ath6kl_sdio_is_on_irq(struct ath6kl *ar)
+{
+	struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar);
+
+	return !atomic_read(&ar_sdio->irq_handling);
+}
+
 static void ath6kl_sdio_irq_disable(struct ath6kl *ar)
 {
 	struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar);
@@ -579,14 +598,21 @@ static void ath6kl_sdio_irq_disable(struct ath6kl *ar)
 
 	sdio_claim_host(ar_sdio->func);
 
-	mutex_lock(&ar_sdio->mtx_irq);
+	if (atomic_read(&ar_sdio->irq_handling)) {
+		sdio_release_host(ar_sdio->func);
+
+		ret = wait_event_interruptible(ar_sdio->irq_wq,
+					       ath6kl_sdio_is_on_irq(ar));
+		if (ret)
+			return;
+
+		sdio_claim_host(ar_sdio->func);
+	}
 
 	ret = sdio_release_irq(ar_sdio->func);
 	if (ret)
 		ath6kl_err("Failed to release sdio irq: %d\n", ret);
 
-	mutex_unlock(&ar_sdio->mtx_irq);
-
 	sdio_release_host(ar_sdio->func);
 }
 
@@ -601,6 +627,8 @@ static struct hif_scatter_req *ath6kl_sdio_scatter_req_get(struct ath6kl *ar)
 		node = list_first_entry(&ar_sdio->scat_req,
 					struct hif_scatter_req, list);
 		list_del(&node->list);
+
+		node->scat_q_depth = get_queue_depth(&ar_sdio->scat_req);
 	}
 
 	spin_unlock_bh(&ar_sdio->scat_lock);
@@ -633,8 +661,8 @@ static int ath6kl_sdio_async_rw_scatter(struct ath6kl *ar,
 		return -EINVAL;
 
 	ath6kl_dbg(ATH6KL_DBG_SCATTER,
-		"hif-scatter: total len: %d scatter entries: %d\n",
-		scat_req->len, scat_req->scat_entries);
+		   "hif-scatter: total len: %d scatter entries: %d\n",
+		   scat_req->len, scat_req->scat_entries);
 
 	if (request & HIF_SYNCHRONOUS)
 		status = ath6kl_sdio_scat_rw(ar_sdio, scat_req->busrequest);
@@ -813,6 +841,7 @@ static int ath6kl_sdio_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
 	struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar);
 	struct sdio_func *func = ar_sdio->func;
 	mmc_pm_flag_t flags;
+	bool try_deepsleep = false;
 	int ret;
 
 	if (ar->state == ATH6KL_STATE_SCHED_SCAN) {
@@ -839,14 +868,22 @@ static int ath6kl_sdio_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
 			goto cut_pwr;
 
 		ret = ath6kl_cfg80211_suspend(ar, ATH6KL_CFG_SUSPEND_WOW, wow);
-		if (ret)
+		if (ret && ret != -ENOTCONN)
+			ath6kl_err("wow suspend failed: %d\n", ret);
+
+		if (ret &&
+		    (!ar->wow_suspend_mode ||
+		     ar->wow_suspend_mode == WLAN_POWER_STATE_DEEP_SLEEP))
+			try_deepsleep = true;
+		else if (ret &&
+			 ar->wow_suspend_mode == WLAN_POWER_STATE_CUT_PWR)
 			goto cut_pwr;
-
-		return 0;
+		if (!ret)
+			return 0;
 	}
 
 	if (ar->suspend_mode == WLAN_POWER_STATE_DEEP_SLEEP ||
-	    !ar->suspend_mode) {
+	    !ar->suspend_mode || try_deepsleep) {
 
 		flags = sdio_get_host_pm_caps(func);
 		if (!(flags & MMC_PM_KEEP_POWER))
@@ -901,8 +938,15 @@ static int ath6kl_sdio_resume(struct ath6kl *ar)
 
 	case ATH6KL_STATE_WOW:
 		break;
+
 	case ATH6KL_STATE_SCHED_SCAN:
 		break;
+
+	case ATH6KL_STATE_SUSPENDING:
+		break;
+
+	case ATH6KL_STATE_RESUMING:
+		break;
 	}
 
 	ath6kl_cfg80211_resume(ar);
@@ -981,7 +1025,7 @@ static int ath6kl_sdio_diag_read32(struct ath6kl *ar, u32 address, u32 *data)
 				(u8 *)data, sizeof(u32), HIF_RD_SYNC_BYTE_INC);
 	if (status) {
 		ath6kl_err("%s: failed to read from window data addr\n",
-			__func__);
+			   __func__);
 		return status;
 	}
 
@@ -1285,7 +1329,6 @@ static int ath6kl_sdio_probe(struct sdio_func *func,
 	spin_lock_init(&ar_sdio->scat_lock);
 	spin_lock_init(&ar_sdio->wr_async_lock);
 	mutex_init(&ar_sdio->dma_buffer_mutex);
-	mutex_init(&ar_sdio->mtx_irq);
 
 	INIT_LIST_HEAD(&ar_sdio->scat_req);
 	INIT_LIST_HEAD(&ar_sdio->bus_req_freeq);
@@ -1293,6 +1336,8 @@ static int ath6kl_sdio_probe(struct sdio_func *func,
 
 	INIT_WORK(&ar_sdio->wr_async_work, ath6kl_sdio_write_async_work);
 
+	init_waitqueue_head(&ar_sdio->irq_wq);
+
 	for (count = 0; count < BUS_REQUEST_MAX_NUM; count++)
 		ath6kl_sdio_free_bus_req(ar_sdio, &ar_sdio->bus_req[count]);
 

drivers/net/wireless/ath/ath6kl/target.h

 /*
  * Copyright (c) 2004-2010 Atheros Communications Inc.
+ * Copyright (c) 2011 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -19,6 +20,7 @@
 
 #define AR6003_BOARD_DATA_SZ		1024
 #define AR6003_BOARD_EXT_DATA_SZ	768
+#define AR6003_BOARD_EXT_DATA_SZ_V2	1024
 
 #define AR6004_BOARD_DATA_SZ     6144
 #define AR6004_BOARD_EXT_DATA_SZ 0

drivers/net/wireless/ath/ath6kl/testmode.c

 /*
  * Copyright (c) 2010-2011 Atheros Communications Inc.
+ * Copyright (c) 2011 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

drivers/net/wireless/ath/ath6kl/testmode.h

 /*
  * Copyright (c) 2010-2011 Atheros Communications Inc.
+ * Copyright (c) 2011 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

drivers/net/wireless/ath/ath6kl/txrx.c

 /*
  * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -158,8 +159,8 @@ static bool ath6kl_process_uapsdq(struct ath6kl_sta *conn,
 	 */
 	if (is_apsdq_empty) {
 		ath6kl_wmi_set_apsd_bfrd_traf(ar->wmi,
-				vif->fw_vif_idx,
-				conn->aid, 1, 0);
+					      vif->fw_vif_idx,
+					      conn->aid, 1, 0);
 	}
 	*flags |= WMI_DATA_HDR_FLAGS_UAPSD;
 
@@ -284,6 +285,9 @@ int ath6kl_control_tx(void *devt, struct sk_buff *skb,
 	int status = 0;
 	struct ath6kl_cookie *cookie = NULL;
 
+	if (WARN_ON_ONCE(ar->state == ATH6KL_STATE_WOW))
+		return -EACCES;
+
 	spin_lock_bh(&ar->lock);
 
 	ath6kl_dbg(ATH6KL_DBG_WLAN_TX,
@@ -359,6 +363,11 @@ int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev)
 		return 0;
 	}
 
+	if (WARN_ON_ONCE(ar->state != ATH6KL_STATE_ON)) {
+		dev_kfree_skb(skb);
+		return 0;
+	}
+
 	if (!test_bit(WMI_READY, &ar->flag))
 		goto fail_tx;
 
@@ -370,7 +379,7 @@ int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev)
 
 	if (test_bit(WMI_ENABLED, &ar->flag)) {
 		if ((dev->features & NETIF_F_IP_CSUM) &&
-				(csum == CHECKSUM_PARTIAL)) {
+		    (csum == CHECKSUM_PARTIAL)) {
 			csum_start = skb->csum_start -
 					(skb_network_header(skb) - skb->head) +
 					sizeof(struct ath6kl_llc_snap_hdr);
@@ -394,7 +403,7 @@ int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev)
 		}
 
 		if ((dev->features & NETIF_F_IP_CSUM) &&
-				(csum == CHECKSUM_PARTIAL)) {
+		    (csum == CHECKSUM_PARTIAL)) {
 			meta_v2.csum_start = csum_start;
 			meta_v2.csum_dest = csum_dest;
 
@@ -419,7 +428,7 @@ int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev)
 		}
 
 		if ((vif->nw_type == ADHOC_NETWORK) &&
-		     ar->ibss_ps_enable && test_bit(CONNECTED, &vif->flags))
+		    ar->ibss_ps_enable && test_bit(CONNECTED, &vif->flags))
 			chk_adhoc_ps_mapping = true;
 		else {
 			/* get the stream mapping */
@@ -593,7 +602,8 @@ enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
 	 */
 	if (ar->ac_stream_pri_map[ar->ep2ac_map[endpoint]] <
 	    ar->hiac_stream_active_pri &&
-	    ar->cookie_count <= MAX_HI_COOKIE_NUM)
+	    ar->cookie_count <=
+			target->endpoint[endpoint].tx_drop_packet_threshold)
 		/*
 		 * Give preference to the highest priority stream by
 		 * dropping the packets which overflowed.
@@ -876,7 +886,7 @@ void ath6kl_rx_refill(struct htc_target *target, enum htc_endpoint_id endpoint)
 		if (!IS_ALIGNED((unsigned long) skb->data, 4))
 			skb->data = PTR_ALIGN(skb->data - 4, 4);
 		set_htc_rxpkt_info(packet, skb, skb->data,
-				ATH6KL_BUFFER_SIZE, endpoint);
+				   ATH6KL_BUFFER_SIZE, endpoint);
 		list_add_tail(&packet->list, &queue);
 	}
 
@@ -1256,8 +1266,8 @@ static void ath6kl_uapsd_trigger_frame_rx(struct ath6kl_vif *vif,
 			flags = 0;
 
 		ath6kl_wmi_set_apsd_bfrd_traf(ar->wmi,
-				vif->fw_vif_idx,
-				conn->aid, 0, flags);
+					      vif->fw_vif_idx,
+					      conn->aid, 0, flags);
 	}
 
 	return;
@@ -1296,7 +1306,15 @@ void ath6kl_rx(struct htc_target *target, struct htc_packet *packet)
 	skb_put(skb, packet->act_len + HTC_HDR_LENGTH);
 	skb_pull(skb, HTC_HDR_LENGTH);
 
+	ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, __func__, "rx ",
+			skb->data, skb->len);
+
 	if (ept == ar->ctrl_ep) {
+		if (test_bit(WMI_ENABLED, &ar->flag)) {
+			ath6kl_check_wow_status(ar);
+			ath6kl_wmi_control_rx(ar->wmi, skb);
+			return;
+		}
 		if_idx =
 		wmi_cmd_hdr_get_if_idx((struct wmi_cmd_hdr *) skb->data);
 	} else {
@@ -1321,10 +1339,6 @@ void ath6kl_rx(struct htc_target *target, struct htc_packet *packet)
 
 	spin_unlock_bh(&vif->if_lock);
 
-
-	ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, __func__, "rx ",
-			skb->data, skb->len);
-
 	skb->dev = vif->ndev;
 
 	if (!test_bit(WMI_ENABLED, &ar->flag)) {
@@ -1336,11 +1350,6 @@ void ath6kl_rx(struct htc_target *target, struct htc_packet *packet)
 
 	ath6kl_check_wow_status(ar);
 
-	if (ept == ar->ctrl_ep) {
-		ath6kl_wmi_control_rx(ar->wmi, skb);
-		return;
-	}
-
 	min_hdr_len = sizeof(struct ethhdr) + sizeof(struct wmi_data_hdr) +
 		      sizeof(struct ath6kl_llc_snap_hdr);
 
@@ -1416,8 +1425,33 @@ void ath6kl_rx(struct htc_target *target, struct htc_packet *packet)
 			if (!(conn->sta_flags & STA_PS_SLEEP)) {
 				struct sk_buff *skbuff = NULL;
 				bool is_apsdq_empty;
+				struct ath6kl_mgmt_buff *mgmt;
+				u8 idx;
 
 				spin_lock_bh(&conn->psq_lock);
+				while (conn->mgmt_psq_len > 0) {
+					mgmt = list_first_entry(
+							&conn->mgmt_psq,
+							struct ath6kl_mgmt_buff,
+							list);
+					list_del(&mgmt->list);
+					conn->mgmt_psq_len--;
+					spin_unlock_bh(&conn->psq_lock);
+					idx = vif->fw_vif_idx;
+
+					ath6kl_wmi_send_mgmt_cmd(ar->wmi,
+								 idx,
+								 mgmt->id,
+								 mgmt->freq,
+								 mgmt->wait,
+								 mgmt->buf,
+								 mgmt->len,
+								 mgmt->no_cck);
+
+					kfree(mgmt);
+					spin_lock_bh(&conn->psq_lock);
+				}
+				conn->mgmt_psq_len = 0;
 				while ((skbuff = skb_dequeue(&conn->psq))) {
 					spin_unlock_bh(&conn->psq_lock);
 					ath6kl_data_tx(skbuff, vif->ndev);
@@ -1541,7 +1575,7 @@ void ath6kl_rx(struct htc_target *target, struct htc_packet *packet)
 			aggr_conn = vif->aggr_cntxt->aggr_conn;
 
 		if (aggr_process_recv_frm(aggr_conn, tid, seq_no,
-		    is_amsdu, skb)) {
+					  is_amsdu, skb)) {
 			/* aggregation code will handle the skb */
 			return;
 		}

drivers/net/wireless/ath/ath6kl/usb.c

 /*
  * Copyright (c) 2007-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

drivers/net/wireless/ath/ath6kl/wmi.h

 /*
  * Copyright (c) 2010-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -110,6 +111,8 @@ struct wmi {
 	u8 fat_pipe_exist;
 	struct ath6kl *parent_dev;
 	u8 pwr_mode;
+
+	/* protects fat_pipe_exist and stream_exist_for_ac */
 	spinlock_t lock;
 	enum htc_endpoint_id ep_id;
 	struct sq_threshold_params
@@ -997,6 +1000,12 @@ struct wmi_listen_int_cmd {
 	__le16 num_beacons;
 } __packed;
 
+/* WMI_SET_BMISS_TIME_CMDID */
+struct wmi_bmiss_time_cmd {
+	__le16 bmiss_time;
+	__le16 num_beacons;
+};
+
 /* WMI_SET_POWER_MODE_CMDID */
 enum wmi_power_mode {
 	REC_POWER = 0x01,
@@ -1014,7 +1023,7 @@ struct wmi_power_mode_cmd {
  */
 enum power_save_fail_event_policy {
 	SEND_POWER_SAVE_FAIL_EVENT_ALWAYS = 1,
-	IGNORE_POWER_SAVE_FAIL_EVENT_DURING_SCAN = 2,
+	IGNORE_PS_FAIL_DURING_SCAN = 2,
 };
 
 struct wmi_power_params_cmd {
@@ -1212,7 +1221,7 @@ struct wmi_snr_threshold_params_cmd {
 
 enum wmi_preamble_policy {
 	WMI_IGNORE_BARKER_IN_ERP = 0,
-	WMI_DONOT_IGNORE_BARKER_IN_ERP
+	WMI_FOLLOW_BARKER_IN_ERP,
 };
 
 struct wmi_set_lpreamble_cmd {
@@ -2128,6 +2137,10 @@ struct wmi_rx_frame_format_cmd {
 	u8 reserved[1];
 } __packed;
 
+struct wmi_ap_hidden_ssid_cmd {
+	u8 hidden_ssid;
+} __packed;
+
 /* AP mode events */
 struct wmi_ap_set_apsd_cmd {
 	u8 enable;
@@ -2413,6 +2426,8 @@ int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
 				  u16 listen_interval,
 				  u16 listen_beacons);
+int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
+			     u16 bmiss_time, u16 num_beacons);
 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode);
 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
 			    u16 ps_poll_num, u16 dtim_policy,
@@ -2484,6 +2499,7 @@ u8 ath6kl_wmi_get_traffic_class(u8 user_priority);
 
 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri);
 /* AP mode */
+int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable);
 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
 				 struct wmi_connect_cmd *p);
 
@@ -2505,9 +2521,6 @@ int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable);
 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
 				  u32 dur);
 
-int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
-			       u32 wait, const u8 *data, u16 data_len);
-
 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
 			       u32 wait, const u8 *data, u16 data_len,
 			       u32 no_cck);