cw1200: move under st vendor directory

Part of reorganising wireless drivers directory and Kconfig.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 0 insertions, 2399 deletions

diff --git a/drivers/net/wireless/cw1200/sta.c b/drivers/net/wireless/cw1200/sta.c
deleted file mode 100644
index 95a7fdb3cc1c..000000000000
--- a/drivers/net/wireless/cw1200/sta.c
+++ /dev/null
@@ -1,2399 +0,0 @@
-/*
- * Mac80211 STA API for ST-Ericsson CW1200 drivers
- *
- * Copyright (c) 2010, ST-Ericsson
- * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/vmalloc.h>
-#include <linux/sched.h>
-#include <linux/firmware.h>
-#include <linux/module.h>
-#include <linux/etherdevice.h>
-
-#include "cw1200.h"
-#include "sta.h"
-#include "fwio.h"
-#include "bh.h"
-#include "debug.h"
-
-#ifndef ERP_INFO_BYTE_OFFSET
-#define ERP_INFO_BYTE_OFFSET 2
-#endif
-
-static void cw1200_do_join(struct cw1200_common *priv);
-static void cw1200_do_unjoin(struct cw1200_common *priv);
-
-static int cw1200_upload_beacon(struct cw1200_common *priv);
-static int cw1200_upload_pspoll(struct cw1200_common *priv);
-static int cw1200_upload_null(struct cw1200_common *priv);
-static int cw1200_upload_qosnull(struct cw1200_common *priv);
-static int cw1200_start_ap(struct cw1200_common *priv);
-static int cw1200_update_beaconing(struct cw1200_common *priv);
-static int cw1200_enable_beaconing(struct cw1200_common *priv,
-				   bool enable);
-static void __cw1200_sta_notify(struct ieee80211_hw *dev,
-				struct ieee80211_vif *vif,
-				enum sta_notify_cmd notify_cmd,
-				int link_id);
-static int __cw1200_flush(struct cw1200_common *priv, bool drop);
-
-static inline void __cw1200_free_event_queue(struct list_head *list)
-{
-	struct cw1200_wsm_event *event, *tmp;
-	list_for_each_entry_safe(event, tmp, list, link) {
-		list_del(&event->link);
-		kfree(event);
-	}
-}
-
-/* ******************************************************************** */
-/* STA API								*/
-
-int cw1200_start(struct ieee80211_hw *dev)
-{
-	struct cw1200_common *priv = dev->priv;
-	int ret = 0;
-
-	cw1200_pm_stay_awake(&priv->pm_state, HZ);
-
-	mutex_lock(&priv->conf_mutex);
-
-	/* default EDCA */
-	WSM_EDCA_SET(&priv->edca, 0, 0x0002, 0x0003, 0x0007, 47, 0xc8, false);
-	WSM_EDCA_SET(&priv->edca, 1, 0x0002, 0x0007, 0x000f, 94, 0xc8, false);
-	WSM_EDCA_SET(&priv->edca, 2, 0x0003, 0x000f, 0x03ff, 0, 0xc8, false);
-	WSM_EDCA_SET(&priv->edca, 3, 0x0007, 0x000f, 0x03ff, 0, 0xc8, false);
-	ret = wsm_set_edca_params(priv, &priv->edca);
-	if (ret)
-		goto out;
-
-	ret = cw1200_set_uapsd_param(priv, &priv->edca);
-	if (ret)
-		goto out;
-
-	priv->setbssparams_done = false;
-
-	memcpy(priv->mac_addr, dev->wiphy->perm_addr, ETH_ALEN);
-	priv->mode = NL80211_IFTYPE_MONITOR;
-	priv->wep_default_key_id = -1;
-
-	priv->cqm_beacon_loss_count = 10;
-
-	ret = cw1200_setup_mac(priv);
-	if (ret)
-		goto out;
-
-out:
-	mutex_unlock(&priv->conf_mutex);
-	return ret;
-}
-
-void cw1200_stop(struct ieee80211_hw *dev)
-{
-	struct cw1200_common *priv = dev->priv;
-	LIST_HEAD(list);
-	int i;
-
-	wsm_lock_tx(priv);
-
-	while (down_trylock(&priv->scan.lock)) {
-		/* Scan is in progress. Force it to stop. */
-		priv->scan.req = NULL;
-		schedule();
-	}
-	up(&priv->scan.lock);
-
-	cancel_delayed_work_sync(&priv->scan.probe_work);
-	cancel_delayed_work_sync(&priv->scan.timeout);
-	cancel_delayed_work_sync(&priv->clear_recent_scan_work);
-	cancel_delayed_work_sync(&priv->join_timeout);
-	cw1200_cqm_bssloss_sm(priv, 0, 0, 0);
-	cancel_work_sync(&priv->unjoin_work);
-	cancel_delayed_work_sync(&priv->link_id_gc_work);
-	flush_workqueue(priv->workqueue);
-	del_timer_sync(&priv->mcast_timeout);
-	mutex_lock(&priv->conf_mutex);
-	priv->mode = NL80211_IFTYPE_UNSPECIFIED;
-	priv->listening = false;
-
-	spin_lock(&priv->event_queue_lock);
-	list_splice_init(&priv->event_queue, &list);
-	spin_unlock(&priv->event_queue_lock);
-	__cw1200_free_event_queue(&list);
-
-
-	priv->join_status = CW1200_JOIN_STATUS_PASSIVE;
-	priv->join_pending = false;
-
-	for (i = 0; i < 4; i++)
-		cw1200_queue_clear(&priv->tx_queue[i]);
-	mutex_unlock(&priv->conf_mutex);
-	tx_policy_clean(priv);
-
-	/* HACK! */
-	if (atomic_xchg(&priv->tx_lock, 1) != 1)
-		pr_debug("[STA] TX is force-unlocked due to stop request.\n");
-
-	wsm_unlock_tx(priv);
-	atomic_xchg(&priv->tx_lock, 0); /* for recovery to work */
-}
-
-static int cw1200_bssloss_mitigation = 1;
-module_param(cw1200_bssloss_mitigation, int, 0644);
-MODULE_PARM_DESC(cw1200_bssloss_mitigation, "BSS Loss mitigation. 0 == disabled, 1 == enabled (default)");
-
-
-void __cw1200_cqm_bssloss_sm(struct cw1200_common *priv,
-			     int init, int good, int bad)
-{
-	int tx = 0;
-
-	priv->delayed_link_loss = 0;
-	cancel_work_sync(&priv->bss_params_work);
-
-	pr_debug("[STA] CQM BSSLOSS_SM: state: %d init %d good %d bad: %d txlock: %d uj: %d\n",
-		 priv->bss_loss_state,
-		 init, good, bad,
-		 atomic_read(&priv->tx_lock),
-		 priv->delayed_unjoin);
-
-	/* If we have a pending unjoin */
-	if (priv->delayed_unjoin)
-		return;
-
-	if (init) {
-		queue_delayed_work(priv->workqueue,
-				   &priv->bss_loss_work,
-				   HZ);
-		priv->bss_loss_state = 0;
-
-		/* Skip the confimration procedure in P2P case */
-		if (!priv->vif->p2p && !atomic_read(&priv->tx_lock))
-			tx = 1;
-	} else if (good) {
-		cancel_delayed_work_sync(&priv->bss_loss_work);
-		priv->bss_loss_state = 0;
-		queue_work(priv->workqueue, &priv->bss_params_work);
-	} else if (bad) {
-		/* XXX Should we just keep going until we time out? */
-		if (priv->bss_loss_state < 3)
-			tx = 1;
-	} else {
-		cancel_delayed_work_sync(&priv->bss_loss_work);
-		priv->bss_loss_state = 0;
-	}
-
-	/* Bypass mitigation if it's disabled */
-	if (!cw1200_bssloss_mitigation)
-		tx = 0;
-
-	/* Spit out a NULL packet to our AP if necessary */
-	if (tx) {
-		struct sk_buff *skb;
-
-		priv->bss_loss_state++;
-
-		skb = ieee80211_nullfunc_get(priv->hw, priv->vif);
-		WARN_ON(!skb);
-		if (skb)
-			cw1200_tx(priv->hw, NULL, skb);
-	}
-}
-
-int cw1200_add_interface(struct ieee80211_hw *dev,
-			 struct ieee80211_vif *vif)
-{
-	int ret;
-	struct cw1200_common *priv = dev->priv;
-	/* __le32 auto_calibration_mode = __cpu_to_le32(1); */
-
-	vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
-			     IEEE80211_VIF_SUPPORTS_UAPSD |
-			     IEEE80211_VIF_SUPPORTS_CQM_RSSI;
-
-	mutex_lock(&priv->conf_mutex);
-
-	if (priv->mode != NL80211_IFTYPE_MONITOR) {
-		mutex_unlock(&priv->conf_mutex);
-		return -EOPNOTSUPP;
-	}
-
-	switch (vif->type) {
-	case NL80211_IFTYPE_STATION:
-	case NL80211_IFTYPE_ADHOC:
-	case NL80211_IFTYPE_MESH_POINT:
-	case NL80211_IFTYPE_AP:
-		priv->mode = vif->type;
-		break;
-	default:
-		mutex_unlock(&priv->conf_mutex);
-		return -EOPNOTSUPP;
-	}
-
-	priv->vif = vif;
-	memcpy(priv->mac_addr, vif->addr, ETH_ALEN);
-	ret = cw1200_setup_mac(priv);
-	/* Enable auto-calibration */
-	/* Exception in subsequent channel switch; disabled.
-	 *  wsm_write_mib(priv, WSM_MIB_ID_SET_AUTO_CALIBRATION_MODE,
-	 *      &auto_calibration_mode, sizeof(auto_calibration_mode));
-	*/
-
-	mutex_unlock(&priv->conf_mutex);
-	return ret;
-}
-
-void cw1200_remove_interface(struct ieee80211_hw *dev,
-			     struct ieee80211_vif *vif)
-{
-	struct cw1200_common *priv = dev->priv;
-	struct wsm_reset reset = {
-		.reset_statistics = true,
-	};
-	int i;
-
-	mutex_lock(&priv->conf_mutex);
-	switch (priv->join_status) {
-	case CW1200_JOIN_STATUS_JOINING:
-	case CW1200_JOIN_STATUS_PRE_STA:
-	case CW1200_JOIN_STATUS_STA:
-	case CW1200_JOIN_STATUS_IBSS:
-		wsm_lock_tx(priv);
-		if (queue_work(priv->workqueue, &priv->unjoin_work) <= 0)
-			wsm_unlock_tx(priv);
-		break;
-	case CW1200_JOIN_STATUS_AP:
-		for (i = 0; priv->link_id_map; ++i) {
-			if (priv->link_id_map & BIT(i)) {
-				reset.link_id = i;
-				wsm_reset(priv, &reset);
-				priv->link_id_map &= ~BIT(i);
-			}
-		}
-		memset(priv->link_id_db, 0, sizeof(priv->link_id_db));
-		priv->sta_asleep_mask = 0;
-		priv->enable_beacon = false;
-		priv->tx_multicast = false;
-		priv->aid0_bit_set = false;
-		priv->buffered_multicasts = false;
-		priv->pspoll_mask = 0;
-		reset.link_id = 0;
-		wsm_reset(priv, &reset);
-		break;
-	case CW1200_JOIN_STATUS_MONITOR:
-		cw1200_update_listening(priv, false);
-		break;
-	default:
-		break;
-	}
-	priv->vif = NULL;
-	priv->mode = NL80211_IFTYPE_MONITOR;
-	eth_zero_addr(priv->mac_addr);
-	memset(&priv->p2p_ps_modeinfo, 0, sizeof(priv->p2p_ps_modeinfo));
-	cw1200_free_keys(priv);
-	cw1200_setup_mac(priv);
-	priv->listening = false;
-	priv->join_status = CW1200_JOIN_STATUS_PASSIVE;
-	if (!__cw1200_flush(priv, true))
-		wsm_unlock_tx(priv);
-
-	mutex_unlock(&priv->conf_mutex);
-}
-
-int cw1200_change_interface(struct ieee80211_hw *dev,
-			    struct ieee80211_vif *vif,
-			    enum nl80211_iftype new_type,
-			    bool p2p)
-{
-	int ret = 0;
-	pr_debug("change_interface new: %d (%d), old: %d (%d)\n", new_type,
-		 p2p, vif->type, vif->p2p);
-
-	if (new_type != vif->type || vif->p2p != p2p) {
-		cw1200_remove_interface(dev, vif);
-		vif->type = new_type;
-		vif->p2p = p2p;
-		ret = cw1200_add_interface(dev, vif);
-	}
-
-	return ret;
-}
-
-int cw1200_config(struct ieee80211_hw *dev, u32 changed)
-{
-	int ret = 0;
-	struct cw1200_common *priv = dev->priv;
-	struct ieee80211_conf *conf = &dev->conf;
-
-	pr_debug("CONFIG CHANGED:  %08x\n", changed);
-
-	down(&priv->scan.lock);
-	mutex_lock(&priv->conf_mutex);
-	/* TODO: IEEE80211_CONF_CHANGE_QOS */
-	/* TODO: IEEE80211_CONF_CHANGE_LISTEN_INTERVAL */
-
-	if (changed & IEEE80211_CONF_CHANGE_POWER) {
-		priv->output_power = conf->power_level;
-		pr_debug("[STA] TX power: %d\n", priv->output_power);
-		wsm_set_output_power(priv, priv->output_power * 10);
-	}
-
-	if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) &&
-	    (priv->channel != conf->chandef.chan)) {
-		struct ieee80211_channel *ch = conf->chandef.chan;
-		struct wsm_switch_channel channel = {
-			.channel_number = ch->hw_value,
-		};
-		pr_debug("[STA] Freq %d (wsm ch: %d).\n",
-			 ch->center_freq, ch->hw_value);
-
-		/* __cw1200_flush() implicitly locks tx, if successful */
-		if (!__cw1200_flush(priv, false)) {
-			if (!wsm_switch_channel(priv, &channel)) {
-				ret = wait_event_timeout(priv->channel_switch_done,
-							 !priv->channel_switch_in_progress,
-							 3 * HZ);
-				if (ret) {
-					/* Already unlocks if successful */
-					priv->channel = ch;
-					ret = 0;
-				} else {
-					ret = -ETIMEDOUT;
-				}
-			} else {
-				/* Unlock if switch channel fails */
-				wsm_unlock_tx(priv);
-			}
-		}
-	}
-
-	if (changed & IEEE80211_CONF_CHANGE_PS) {
-		if (!(conf->flags & IEEE80211_CONF_PS))
-			priv->powersave_mode.mode = WSM_PSM_ACTIVE;
-		else if (conf->dynamic_ps_timeout <= 0)
-			priv->powersave_mode.mode = WSM_PSM_PS;
-		else
-			priv->powersave_mode.mode = WSM_PSM_FAST_PS;
-
-		/* Firmware requires that value for this 1-byte field must
-		 * be specified in units of 500us. Values above the 128ms
-		 * threshold are not supported.
-		 */
-		if (conf->dynamic_ps_timeout >= 0x80)
-			priv->powersave_mode.fast_psm_idle_period = 0xFF;
-		else
-			priv->powersave_mode.fast_psm_idle_period =
-					conf->dynamic_ps_timeout << 1;
-
-		if (priv->join_status == CW1200_JOIN_STATUS_STA &&
-		    priv->bss_params.aid)
-			cw1200_set_pm(priv, &priv->powersave_mode);
-	}
-
-	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
-		/* TBD: It looks like it's transparent
-		 * there's a monitor interface present -- use this
-		 * to determine for example whether to calculate
-		 * timestamps for packets or not, do not use instead
-		 * of filter flags!
-		 */
-	}
-
-	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
-		struct wsm_operational_mode mode = {
-			.power_mode = cw1200_power_mode,
-			.disable_more_flag_usage = true,
-		};
-
-		wsm_lock_tx(priv);
-		/* Disable p2p-dev mode forced by TX request */
-		if ((priv->join_status == CW1200_JOIN_STATUS_MONITOR) &&
-		    (conf->flags & IEEE80211_CONF_IDLE) &&
-		    !priv->listening) {
-			cw1200_disable_listening(priv);
-			priv->join_status = CW1200_JOIN_STATUS_PASSIVE;
-		}
-		wsm_set_operational_mode(priv, &mode);
-		wsm_unlock_tx(priv);
-	}
-
-	if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
-		pr_debug("[STA] Retry limits: %d (long), %d (short).\n",
-			 conf->long_frame_max_tx_count,
-			 conf->short_frame_max_tx_count);
-		spin_lock_bh(&priv->tx_policy_cache.lock);
-		priv->long_frame_max_tx_count = conf->long_frame_max_tx_count;
-		priv->short_frame_max_tx_count =
-			(conf->short_frame_max_tx_count < 0x0F) ?
-			conf->short_frame_max_tx_count : 0x0F;
-		priv->hw->max_rate_tries = priv->short_frame_max_tx_count;
-		spin_unlock_bh(&priv->tx_policy_cache.lock);
-	}
-	mutex_unlock(&priv->conf_mutex);
-	up(&priv->scan.lock);
-	return ret;
-}
-
-void cw1200_update_filtering(struct cw1200_common *priv)
-{
-	int ret;
-	bool bssid_filtering = !priv->rx_filter.bssid;
-	bool is_p2p = priv->vif && priv->vif->p2p;
-	bool is_sta = priv->vif && NL80211_IFTYPE_STATION == priv->vif->type;
-
-	static struct wsm_beacon_filter_control bf_ctrl;
-	static struct wsm_mib_beacon_filter_table bf_tbl = {
-		.entry[0].ie_id = WLAN_EID_VENDOR_SPECIFIC,
-		.entry[0].flags = WSM_BEACON_FILTER_IE_HAS_CHANGED |
-					WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT |
-					WSM_BEACON_FILTER_IE_HAS_APPEARED,
-		.entry[0].oui[0] = 0x50,
-		.entry[0].oui[1] = 0x6F,
-		.entry[0].oui[2] = 0x9A,
-		.entry[1].ie_id = WLAN_EID_HT_OPERATION,
-		.entry[1].flags = WSM_BEACON_FILTER_IE_HAS_CHANGED |
-					WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT |
-					WSM_BEACON_FILTER_IE_HAS_APPEARED,
-		.entry[2].ie_id = WLAN_EID_ERP_INFO,
-		.entry[2].flags = WSM_BEACON_FILTER_IE_HAS_CHANGED |
-					WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT |
-					WSM_BEACON_FILTER_IE_HAS_APPEARED,
-	};
-
-	if (priv->join_status == CW1200_JOIN_STATUS_PASSIVE)
-		return;
-	else if (priv->join_status == CW1200_JOIN_STATUS_MONITOR)
-		bssid_filtering = false;
-
-	if (priv->disable_beacon_filter) {
-		bf_ctrl.enabled = 0;
-		bf_ctrl.bcn_count = 1;
-		bf_tbl.num = __cpu_to_le32(0);
-	} else if (is_p2p || !is_sta) {
-		bf_ctrl.enabled = WSM_BEACON_FILTER_ENABLE |
-			WSM_BEACON_FILTER_AUTO_ERP;
-		bf_ctrl.bcn_count = 0;
-		bf_tbl.num = __cpu_to_le32(2);
-	} else {
-		bf_ctrl.enabled = WSM_BEACON_FILTER_ENABLE;
-		bf_ctrl.bcn_count = 0;
-		bf_tbl.num = __cpu_to_le32(3);
-	}
-
-	/* When acting as p2p client being connected to p2p GO, in order to
-	 * receive frames from a different p2p device, turn off bssid filter.
-	 *
-	 * WARNING: FW dependency!
-	 * This can only be used with FW WSM371 and its successors.
-	 * In that FW version even with bssid filter turned off,
-	 * device will block most of the unwanted frames.
-	 */
-	if (is_p2p)
-		bssid_filtering = false;
-
-	ret = wsm_set_rx_filter(priv, &priv->rx_filter);
-	if (!ret)
-		ret = wsm_set_beacon_filter_table(priv, &bf_tbl);
-	if (!ret)
-		ret = wsm_beacon_filter_control(priv, &bf_ctrl);
-	if (!ret)
-		ret = wsm_set_bssid_filtering(priv, bssid_filtering);
-	if (!ret)
-		ret = wsm_set_multicast_filter(priv, &priv->multicast_filter);
-	if (ret)
-		wiphy_err(priv->hw->wiphy,
-			  "Update filtering failed: %d.\n", ret);
-	return;
-}
-
-void cw1200_update_filtering_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common,
-			     update_filtering_work);
-
-	cw1200_update_filtering(priv);
-}
-
-void cw1200_set_beacon_wakeup_period_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common,
-			     set_beacon_wakeup_period_work);
-
-	wsm_set_beacon_wakeup_period(priv,
-				     priv->beacon_int * priv->join_dtim_period >
-				     MAX_BEACON_SKIP_TIME_MS ? 1 :
-				     priv->join_dtim_period, 0);
-}
-
-u64 cw1200_prepare_multicast(struct ieee80211_hw *hw,
-			     struct netdev_hw_addr_list *mc_list)
-{
-	static u8 broadcast_ipv6[ETH_ALEN] = {
-		0x33, 0x33, 0x00, 0x00, 0x00, 0x01
-	};
-	static u8 broadcast_ipv4[ETH_ALEN] = {
-		0x01, 0x00, 0x5e, 0x00, 0x00, 0x01
-	};
-	struct cw1200_common *priv = hw->priv;
-	struct netdev_hw_addr *ha;
-	int count = 0;
-
-	/* Disable multicast filtering */
-	priv->has_multicast_subscription = false;
-	memset(&priv->multicast_filter, 0x00, sizeof(priv->multicast_filter));
-
-	if (netdev_hw_addr_list_count(mc_list) > WSM_MAX_GRP_ADDRTABLE_ENTRIES)
-		return 0;
-
-	/* Enable if requested */
-	netdev_hw_addr_list_for_each(ha, mc_list) {
-		pr_debug("[STA] multicast: %pM\n", ha->addr);
-		memcpy(&priv->multicast_filter.macaddrs[count],
-		       ha->addr, ETH_ALEN);
-		if (!ether_addr_equal(ha->addr, broadcast_ipv4) &&
-		    !ether_addr_equal(ha->addr, broadcast_ipv6))
-			priv->has_multicast_subscription = true;
-		count++;
-	}
-
-	if (count) {
-		priv->multicast_filter.enable = __cpu_to_le32(1);
-		priv->multicast_filter.num_addrs = __cpu_to_le32(count);
-	}
-
-	return netdev_hw_addr_list_count(mc_list);
-}
-
-void cw1200_configure_filter(struct ieee80211_hw *dev,
-			     unsigned int changed_flags,
-			     unsigned int *total_flags,
-			     u64 multicast)
-{
-	struct cw1200_common *priv = dev->priv;
-	bool listening = !!(*total_flags &
-			    (FIF_OTHER_BSS |
-			     FIF_BCN_PRBRESP_PROMISC |
-			     FIF_PROBE_REQ));
-
-	*total_flags &= FIF_OTHER_BSS |
-			FIF_FCSFAIL |
-			FIF_BCN_PRBRESP_PROMISC |
-			FIF_PROBE_REQ;
-
-	down(&priv->scan.lock);
-	mutex_lock(&priv->conf_mutex);
-
-	priv->rx_filter.promiscuous = 0;
-	priv->rx_filter.bssid = (*total_flags & (FIF_OTHER_BSS |
-			FIF_PROBE_REQ)) ? 1 : 0;
-	priv->rx_filter.fcs = (*total_flags & FIF_FCSFAIL) ? 1 : 0;
-	priv->disable_beacon_filter = !(*total_flags &
-					(FIF_BCN_PRBRESP_PROMISC |
-					 FIF_PROBE_REQ));
-	if (priv->listening != listening) {
-		priv->listening = listening;
-		wsm_lock_tx(priv);
-		cw1200_update_listening(priv, listening);
-		wsm_unlock_tx(priv);
-	}
-	cw1200_update_filtering(priv);
-	mutex_unlock(&priv->conf_mutex);
-	up(&priv->scan.lock);
-}
-
-int cw1200_conf_tx(struct ieee80211_hw *dev, struct ieee80211_vif *vif,
-		   u16 queue, const struct ieee80211_tx_queue_params *params)
-{
-	struct cw1200_common *priv = dev->priv;
-	int ret = 0;
-	/* To prevent re-applying PM request OID again and again*/
-	bool old_uapsd_flags;
-
-	mutex_lock(&priv->conf_mutex);
-
-	if (queue < dev->queues) {
-		old_uapsd_flags = le16_to_cpu(priv->uapsd_info.uapsd_flags);
-
-		WSM_TX_QUEUE_SET(&priv->tx_queue_params, queue, 0, 0, 0);
-		ret = wsm_set_tx_queue_params(priv,
-					      &priv->tx_queue_params.params[queue], queue);
-		if (ret) {
-			ret = -EINVAL;
-			goto out;
-		}
-
-		WSM_EDCA_SET(&priv->edca, queue, params->aifs,
-			     params->cw_min, params->cw_max,
-			     params->txop, 0xc8,
-			     params->uapsd);
-		ret = wsm_set_edca_params(priv, &priv->edca);
-		if (ret) {
-			ret = -EINVAL;
-			goto out;
-		}
-
-		if (priv->mode == NL80211_IFTYPE_STATION) {
-			ret = cw1200_set_uapsd_param(priv, &priv->edca);
-			if (!ret && priv->setbssparams_done &&
-			    (priv->join_status == CW1200_JOIN_STATUS_STA) &&
-			    (old_uapsd_flags != le16_to_cpu(priv->uapsd_info.uapsd_flags)))
-				ret = cw1200_set_pm(priv, &priv->powersave_mode);
-		}
-	} else {
-		ret = -EINVAL;
-	}
-
-out:
-	mutex_unlock(&priv->conf_mutex);
-	return ret;
-}
-
-int cw1200_get_stats(struct ieee80211_hw *dev,
-		     struct ieee80211_low_level_stats *stats)
-{
-	struct cw1200_common *priv = dev->priv;
-
-	memcpy(stats, &priv->stats, sizeof(*stats));
-	return 0;
-}
-
-int cw1200_set_pm(struct cw1200_common *priv, const struct wsm_set_pm *arg)
-{
-	struct wsm_set_pm pm = *arg;
-
-	if (priv->uapsd_info.uapsd_flags != 0)
-		pm.mode &= ~WSM_PSM_FAST_PS_FLAG;
-
-	if (memcmp(&pm, &priv->firmware_ps_mode,
-		   sizeof(struct wsm_set_pm))) {
-		priv->firmware_ps_mode = pm;
-		return wsm_set_pm(priv, &pm);
-	} else {
-		return 0;
-	}
-}
-
-int cw1200_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd,
-		   struct ieee80211_vif *vif, struct ieee80211_sta *sta,
-		   struct ieee80211_key_conf *key)
-{
-	int ret = -EOPNOTSUPP;
-	struct cw1200_common *priv = dev->priv;
-	struct ieee80211_key_seq seq;
-
-	mutex_lock(&priv->conf_mutex);
-
-	if (cmd == SET_KEY) {
-		u8 *peer_addr = NULL;
-		int pairwise = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) ?
-			1 : 0;
-		int idx = cw1200_alloc_key(priv);
-		struct wsm_add_key *wsm_key = &priv->keys[idx];
-
-		if (idx < 0) {
-			ret = -EINVAL;
-			goto finally;
-		}
-
-		if (sta)
-			peer_addr = sta->addr;
-
-		key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE |
-			      IEEE80211_KEY_FLAG_RESERVE_TAILROOM;
-
-		switch (key->cipher) {
-		case WLAN_CIPHER_SUITE_WEP40:
-		case WLAN_CIPHER_SUITE_WEP104:
-			if (key->keylen > 16) {
-				cw1200_free_key(priv, idx);
-				ret = -EINVAL;
-				goto finally;
-			}
-
-			if (pairwise) {
-				wsm_key->type = WSM_KEY_TYPE_WEP_PAIRWISE;
-				memcpy(wsm_key->wep_pairwise.peer,
-				       peer_addr, ETH_ALEN);
-				memcpy(wsm_key->wep_pairwise.keydata,
-				       &key->key[0], key->keylen);
-				wsm_key->wep_pairwise.keylen = key->keylen;
-			} else {
-				wsm_key->type = WSM_KEY_TYPE_WEP_DEFAULT;
-				memcpy(wsm_key->wep_group.keydata,
-				       &key->key[0], key->keylen);
-				wsm_key->wep_group.keylen = key->keylen;
-				wsm_key->wep_group.keyid = key->keyidx;
-			}
-			break;
-		case WLAN_CIPHER_SUITE_TKIP:
-			ieee80211_get_key_rx_seq(key, 0, &seq);
-			if (pairwise) {
-				wsm_key->type = WSM_KEY_TYPE_TKIP_PAIRWISE;
-				memcpy(wsm_key->tkip_pairwise.peer,
-				       peer_addr, ETH_ALEN);
-				memcpy(wsm_key->tkip_pairwise.keydata,
-				       &key->key[0], 16);
-				memcpy(wsm_key->tkip_pairwise.tx_mic_key,
-				       &key->key[16], 8);
-				memcpy(wsm_key->tkip_pairwise.rx_mic_key,
-				       &key->key[24], 8);
-			} else {
-				size_t mic_offset =
-					(priv->mode == NL80211_IFTYPE_AP) ?
-					16 : 24;
-				wsm_key->type = WSM_KEY_TYPE_TKIP_GROUP;
-				memcpy(wsm_key->tkip_group.keydata,
-				       &key->key[0], 16);
-				memcpy(wsm_key->tkip_group.rx_mic_key,
-				       &key->key[mic_offset], 8);
-
-				wsm_key->tkip_group.rx_seqnum[0] = seq.tkip.iv16 & 0xff;
-				wsm_key->tkip_group.rx_seqnum[1] = (seq.tkip.iv16 >> 8) & 0xff;
-				wsm_key->tkip_group.rx_seqnum[2] = seq.tkip.iv32 & 0xff;
-				wsm_key->tkip_group.rx_seqnum[3] = (seq.tkip.iv32 >> 8) & 0xff;
-				wsm_key->tkip_group.rx_seqnum[4] = (seq.tkip.iv32 >> 16) & 0xff;
-				wsm_key->tkip_group.rx_seqnum[5] = (seq.tkip.iv32 >> 24) & 0xff;
-				wsm_key->tkip_group.rx_seqnum[6] = 0;
-				wsm_key->tkip_group.rx_seqnum[7] = 0;
-
-				wsm_key->tkip_group.keyid = key->keyidx;
-			}
-			break;
-		case WLAN_CIPHER_SUITE_CCMP:
-			ieee80211_get_key_rx_seq(key, 0, &seq);
-			if (pairwise) {
-				wsm_key->type = WSM_KEY_TYPE_AES_PAIRWISE;
-				memcpy(wsm_key->aes_pairwise.peer,
-				       peer_addr, ETH_ALEN);
-				memcpy(wsm_key->aes_pairwise.keydata,
-				       &key->key[0], 16);
-			} else {
-				wsm_key->type = WSM_KEY_TYPE_AES_GROUP;
-				memcpy(wsm_key->aes_group.keydata,
-				       &key->key[0], 16);
-
-				wsm_key->aes_group.rx_seqnum[0] = seq.ccmp.pn[5];
-				wsm_key->aes_group.rx_seqnum[1] = seq.ccmp.pn[4];
-				wsm_key->aes_group.rx_seqnum[2] = seq.ccmp.pn[3];
-				wsm_key->aes_group.rx_seqnum[3] = seq.ccmp.pn[2];
-				wsm_key->aes_group.rx_seqnum[4] = seq.ccmp.pn[1];
-				wsm_key->aes_group.rx_seqnum[5] = seq.ccmp.pn[0];
-				wsm_key->aes_group.rx_seqnum[6] = 0;
-				wsm_key->aes_group.rx_seqnum[7] = 0;
-				wsm_key->aes_group.keyid = key->keyidx;
-			}
-			break;
-		case WLAN_CIPHER_SUITE_SMS4:
-			if (pairwise) {
-				wsm_key->type = WSM_KEY_TYPE_WAPI_PAIRWISE;
-				memcpy(wsm_key->wapi_pairwise.peer,
-				       peer_addr, ETH_ALEN);
-				memcpy(wsm_key->wapi_pairwise.keydata,
-				       &key->key[0], 16);
-				memcpy(wsm_key->wapi_pairwise.mic_key,
-				       &key->key[16], 16);
-				wsm_key->wapi_pairwise.keyid = key->keyidx;
-			} else {
-				wsm_key->type = WSM_KEY_TYPE_WAPI_GROUP;
-				memcpy(wsm_key->wapi_group.keydata,
-				       &key->key[0],  16);
-				memcpy(wsm_key->wapi_group.mic_key,
-				       &key->key[16], 16);
-				wsm_key->wapi_group.keyid = key->keyidx;
-			}
-			break;
-		default:
-			pr_warn("Unhandled key type %d\n", key->cipher);
-			cw1200_free_key(priv, idx);
-			ret = -EOPNOTSUPP;
-			goto finally;
-		}
-		ret = wsm_add_key(priv, wsm_key);
-		if (!ret)
-			key->hw_key_idx = idx;
-		else
-			cw1200_free_key(priv, idx);
-	} else if (cmd == DISABLE_KEY) {
-		struct wsm_remove_key wsm_key = {
-			.index = key->hw_key_idx,
-		};
-
-		if (wsm_key.index > WSM_KEY_MAX_INDEX) {
-			ret = -EINVAL;
-			goto finally;
-		}
-
-		cw1200_free_key(priv, wsm_key.index);
-		ret = wsm_remove_key(priv, &wsm_key);
-	} else {
-		pr_warn("Unhandled key command %d\n", cmd);
-	}
-
-finally:
-	mutex_unlock(&priv->conf_mutex);
-	return ret;
-}
-
-void cw1200_wep_key_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, wep_key_work);
-	u8 queue_id = cw1200_queue_get_queue_id(priv->pending_frame_id);
-	struct cw1200_queue *queue = &priv->tx_queue[queue_id];
-	__le32 wep_default_key_id = __cpu_to_le32(
-		priv->wep_default_key_id);
-
-	pr_debug("[STA] Setting default WEP key: %d\n",
-		 priv->wep_default_key_id);
-	wsm_flush_tx(priv);
-	wsm_write_mib(priv, WSM_MIB_ID_DOT11_WEP_DEFAULT_KEY_ID,
-		      &wep_default_key_id, sizeof(wep_default_key_id));
-	cw1200_queue_requeue(queue, priv->pending_frame_id);
-	wsm_unlock_tx(priv);
-}
-
-int cw1200_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
-{
-	int ret = 0;
-	__le32 val32;
-	struct cw1200_common *priv = hw->priv;
-
-	if (priv->mode == NL80211_IFTYPE_UNSPECIFIED)
-		return 0;
-
-	if (value != (u32) -1)
-		val32 = __cpu_to_le32(value);
-	else
-		val32 = 0; /* disabled */
-
-	if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) {
-		/* device is down, can _not_ set threshold */
-		ret = -ENODEV;
-		goto out;
-	}
-
-	if (priv->rts_threshold == value)
-		goto out;
-
-	pr_debug("[STA] Setting RTS threshold: %d\n",
-		 priv->rts_threshold);
-
-	/* mutex_lock(&priv->conf_mutex); */
-	ret = wsm_write_mib(priv, WSM_MIB_ID_DOT11_RTS_THRESHOLD,
-			    &val32, sizeof(val32));
-	if (!ret)
-		priv->rts_threshold = value;
-	/* mutex_unlock(&priv->conf_mutex); */
-
-out:
-	return ret;
-}
-
-/* If successful, LOCKS the TX queue! */
-static int __cw1200_flush(struct cw1200_common *priv, bool drop)
-{
-	int i, ret;
-
-	for (;;) {
-		/* TODO: correct flush handling is required when dev_stop.
-		 * Temporary workaround: 2s
-		 */
-		if (drop) {
-			for (i = 0; i < 4; ++i)
-				cw1200_queue_clear(&priv->tx_queue[i]);
-		} else {
-			ret = wait_event_timeout(
-				priv->tx_queue_stats.wait_link_id_empty,
-				cw1200_queue_stats_is_empty(
-					&priv->tx_queue_stats, -1),
-				2 * HZ);
-		}
-
-		if (!drop && ret <= 0) {
-			ret = -ETIMEDOUT;
-			break;
-		} else {
-			ret = 0;
-		}
-
-		wsm_lock_tx(priv);
-		if (!cw1200_queue_stats_is_empty(&priv->tx_queue_stats, -1)) {
-			/* Highly unlikely: WSM requeued frames. */
-			wsm_unlock_tx(priv);
-			continue;
-		}
-		break;
-	}
-	return ret;
-}
-
-void cw1200_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
-		  u32 queues, bool drop)
-{
-	struct cw1200_common *priv = hw->priv;
-
-	switch (priv->mode) {
-	case NL80211_IFTYPE_MONITOR:
-		drop = true;
-		break;
-	case NL80211_IFTYPE_AP:
-		if (!priv->enable_beacon)
-			drop = true;
-		break;
-	}
-
-	if (!__cw1200_flush(priv, drop))
-		wsm_unlock_tx(priv);
-
-	return;
-}
-
-/* ******************************************************************** */
-/* WSM callbacks							*/
-
-void cw1200_free_event_queue(struct cw1200_common *priv)
-{
-	LIST_HEAD(list);
-
-	spin_lock(&priv->event_queue_lock);
-	list_splice_init(&priv->event_queue, &list);
-	spin_unlock(&priv->event_queue_lock);
-
-	__cw1200_free_event_queue(&list);
-}
-
-void cw1200_event_handler(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, event_handler);
-	struct cw1200_wsm_event *event;
-	LIST_HEAD(list);
-
-	spin_lock(&priv->event_queue_lock);
-	list_splice_init(&priv->event_queue, &list);
-	spin_unlock(&priv->event_queue_lock);
-
-	list_for_each_entry(event, &list, link) {
-		switch (event->evt.id) {
-		case WSM_EVENT_ERROR:
-			pr_err("Unhandled WSM Error from LMAC\n");
-			break;
-		case WSM_EVENT_BSS_LOST:
-			pr_debug("[CQM] BSS lost.\n");
-			cancel_work_sync(&priv->unjoin_work);
-			if (!down_trylock(&priv->scan.lock)) {
-				cw1200_cqm_bssloss_sm(priv, 1, 0, 0);
-				up(&priv->scan.lock);
-			} else {
-				/* Scan is in progress. Delay reporting.
-				 * Scan complete will trigger bss_loss_work
-				 */
-				priv->delayed_link_loss = 1;
-				/* Also start a watchdog. */
-				queue_delayed_work(priv->workqueue,
-						   &priv->bss_loss_work, 5*HZ);
-			}
-			break;
-		case WSM_EVENT_BSS_REGAINED:
-			pr_debug("[CQM] BSS regained.\n");
-			cw1200_cqm_bssloss_sm(priv, 0, 0, 0);
-			cancel_work_sync(&priv->unjoin_work);
-			break;
-		case WSM_EVENT_RADAR_DETECTED:
-			wiphy_info(priv->hw->wiphy, "radar pulse detected\n");
-			break;
-		case WSM_EVENT_RCPI_RSSI:
-		{
-			/* RSSI: signed Q8.0, RCPI: unsigned Q7.1
-			 * RSSI = RCPI / 2 - 110
-			 */
-			int rcpi_rssi = (int)(event->evt.data & 0xFF);
-			int cqm_evt;
-			if (priv->cqm_use_rssi)
-				rcpi_rssi = (s8)rcpi_rssi;
-			else
-				rcpi_rssi =  rcpi_rssi / 2 - 110;
-
-			cqm_evt = (rcpi_rssi <= priv->cqm_rssi_thold) ?
-				NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW :
-				NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
-			pr_debug("[CQM] RSSI event: %d.\n", rcpi_rssi);
-			ieee80211_cqm_rssi_notify(priv->vif, cqm_evt,
-						  GFP_KERNEL);
-			break;
-		}
-		case WSM_EVENT_BT_INACTIVE:
-			pr_warn("Unhandled BT INACTIVE from LMAC\n");
-			break;
-		case WSM_EVENT_BT_ACTIVE:
-			pr_warn("Unhandled BT ACTIVE from LMAC\n");
-			break;
-		}
-	}
-	__cw1200_free_event_queue(&list);
-}
-
-void cw1200_bss_loss_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, bss_loss_work.work);
-
-	pr_debug("[CQM] Reporting connection loss.\n");
-	wsm_lock_tx(priv);
-	if (queue_work(priv->workqueue, &priv->unjoin_work) <= 0)
-		wsm_unlock_tx(priv);
-}
-
-void cw1200_bss_params_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, bss_params_work);
-	mutex_lock(&priv->conf_mutex);
-
-	priv->bss_params.reset_beacon_loss = 1;
-	wsm_set_bss_params(priv, &priv->bss_params);
-	priv->bss_params.reset_beacon_loss = 0;
-
-	mutex_unlock(&priv->conf_mutex);
-}
-
-/* ******************************************************************** */
-/* Internal API								*/
-
-/* This function is called to Parse the SDD file
- * to extract listen_interval and PTA related information
- * sdd is a TLV: u8 id, u8 len, u8 data[]
- */
-static int cw1200_parse_sdd_file(struct cw1200_common *priv)
-{
-	const u8 *p = priv->sdd->data;
-	int ret = 0;
-
-	while (p + 2 <= priv->sdd->data + priv->sdd->size) {
-		if (p + p[1] + 2 > priv->sdd->data + priv->sdd->size) {
-			pr_warn("Malformed sdd structure\n");
-			return -1;
-		}
-		switch (p[0]) {
-		case SDD_PTA_CFG_ELT_ID: {
-			u16 v;
-			if (p[1] < 4) {
-				pr_warn("SDD_PTA_CFG_ELT_ID malformed\n");
-				ret = -1;
-				break;
-			}
-			v = le16_to_cpu(*((__le16 *)(p + 2)));
-			if (!v)  /* non-zero means this is enabled */
-				break;
-
-			v = le16_to_cpu(*((__le16 *)(p + 4)));
-			priv->conf_listen_interval = (v >> 7) & 0x1F;
-			pr_debug("PTA found; Listen Interval %d\n",
-				 priv->conf_listen_interval);
-			break;
-		}
-		case SDD_REFERENCE_FREQUENCY_ELT_ID: {
-			u16 clk = le16_to_cpu(*((__le16 *)(p + 2)));
-			if (clk != priv->hw_refclk)
-				pr_warn("SDD file doesn't match configured refclk (%d vs %d)\n",
-					clk, priv->hw_refclk);
-			break;
-		}
-		default:
-			break;
-		}
-		p += p[1] + 2;
-	}
-
-	if (!priv->bt_present) {
-		pr_debug("PTA element NOT found.\n");
-		priv->conf_listen_interval = 0;
-	}
-	return ret;
-}
-
-int cw1200_setup_mac(struct cw1200_common *priv)
-{
-	int ret = 0;
-
-	/* NOTE: There is a bug in FW: it reports signal
-	 * as RSSI if RSSI subscription is enabled.
-	 * It's not enough to set WSM_RCPI_RSSI_USE_RSSI.
-	 *
-	 * NOTE2: RSSI based reports have been switched to RCPI, since
-	 * FW has a bug and RSSI reported values are not stable,
-	 * what can leads to signal level oscilations in user-end applications
-	 */
-	struct wsm_rcpi_rssi_threshold threshold = {
-		.rssiRcpiMode = WSM_RCPI_RSSI_THRESHOLD_ENABLE |
-		WSM_RCPI_RSSI_DONT_USE_UPPER |
-		WSM_RCPI_RSSI_DONT_USE_LOWER,
-		.rollingAverageCount = 16,
-	};
-
-	struct wsm_configuration cfg = {
-		.dot11StationId = &priv->mac_addr[0],
-	};
-
-	/* Remember the decission here to make sure, we will handle
-	 * the RCPI/RSSI value correctly on WSM_EVENT_RCPI_RSS
-	 */
-	if (threshold.rssiRcpiMode & WSM_RCPI_RSSI_USE_RSSI)
-		priv->cqm_use_rssi = true;
-
-	if (!priv->sdd) {
-		ret = request_firmware(&priv->sdd, priv->sdd_path, priv->pdev);
-		if (ret) {
-			pr_err("Can't load sdd file %s.\n", priv->sdd_path);
-			return ret;
-		}
-		cw1200_parse_sdd_file(priv);
-	}
-
-	cfg.dpdData = priv->sdd->data;
-	cfg.dpdData_size = priv->sdd->size;
-	ret = wsm_configuration(priv, &cfg);
-	if (ret)
-		return ret;
-
-	/* Configure RSSI/SCPI reporting as RSSI. */
-	wsm_set_rcpi_rssi_threshold(priv, &threshold);
-
-	return 0;
-}
-
-static void cw1200_join_complete(struct cw1200_common *priv)
-{
-	pr_debug("[STA] Join complete (%d)\n", priv->join_complete_status);
-
-	priv->join_pending = false;
-	if (priv->join_complete_status) {
-		priv->join_status = CW1200_JOIN_STATUS_PASSIVE;
-		cw1200_update_listening(priv, priv->listening);
-		cw1200_do_unjoin(priv);
-		ieee80211_connection_loss(priv->vif);
-	} else {
-		if (priv->mode == NL80211_IFTYPE_ADHOC)
-			priv->join_status = CW1200_JOIN_STATUS_IBSS;
-		else
-			priv->join_status = CW1200_JOIN_STATUS_PRE_STA;
-	}
-	wsm_unlock_tx(priv); /* Clearing the lock held before do_join() */
-}
-
-void cw1200_join_complete_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, join_complete_work);
-	mutex_lock(&priv->conf_mutex);
-	cw1200_join_complete(priv);
-	mutex_unlock(&priv->conf_mutex);
-}
-
-void cw1200_join_complete_cb(struct cw1200_common *priv,
-			     struct wsm_join_complete *arg)
-{
-	pr_debug("[STA] cw1200_join_complete_cb called, status=%d.\n",
-		 arg->status);
-
-	if (cancel_delayed_work(&priv->join_timeout)) {
-		priv->join_complete_status = arg->status;
-		queue_work(priv->workqueue, &priv->join_complete_work);
-	}
-}
-
-/* MUST be called with tx_lock held!  It will be unlocked for us. */
-static void cw1200_do_join(struct cw1200_common *priv)
-{
-	const u8 *bssid;
-	struct ieee80211_bss_conf *conf = &priv->vif->bss_conf;
-	struct cfg80211_bss *bss = NULL;
-	struct wsm_protected_mgmt_policy mgmt_policy;
-	struct wsm_join join = {
-		.mode = conf->ibss_joined ?
-				WSM_JOIN_MODE_IBSS : WSM_JOIN_MODE_BSS,
-		.preamble_type = WSM_JOIN_PREAMBLE_LONG,
-		.probe_for_join = 1,
-		.atim_window = 0,
-		.basic_rate_set = cw1200_rate_mask_to_wsm(priv,
-							  conf->basic_rates),
-	};
-	if (delayed_work_pending(&priv->join_timeout)) {
-		pr_warn("[STA] - Join request already pending, skipping..\n");
-		wsm_unlock_tx(priv);
-		return;
-	}
-
-	if (priv->join_status)
-		cw1200_do_unjoin(priv);
-
-	bssid = priv->vif->bss_conf.bssid;
-
-	bss = cfg80211_get_bss(priv->hw->wiphy, priv->channel, bssid, NULL, 0,
-			       IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
-
-	if (!bss && !conf->ibss_joined) {
-		wsm_unlock_tx(priv);
-		return;
-	}
-
-	mutex_lock(&priv->conf_mutex);
-
-	/* Under the conf lock: check scan status and
-	 * bail out if it is in progress.
-	 */
-	if (atomic_read(&priv->scan.in_progress)) {
-		wsm_unlock_tx(priv);
-		goto done_put;
-	}
-
-	priv->join_pending = true;
-
-	/* Sanity check basic rates */
-	if (!join.basic_rate_set)
-		join.basic_rate_set = 7;
-
-	/* Sanity check beacon interval */
-	if (!priv->beacon_int)
-		priv->beacon_int = 1;
-
-	join.beacon_interval = priv->beacon_int;
-
-	/* BT Coex related changes */
-	if (priv->bt_present) {
-		if (((priv->conf_listen_interval * 100) %
-		     priv->beacon_int) == 0)
-			priv->listen_interval =
-				((priv->conf_listen_interval * 100) /
-				 priv->beacon_int);
-		else
-			priv->listen_interval =
-				((priv->conf_listen_interval * 100) /
-				 priv->beacon_int + 1);
-	}
-
-	if (priv->hw->conf.ps_dtim_period)
-		priv->join_dtim_period = priv->hw->conf.ps_dtim_period;
-	join.dtim_period = priv->join_dtim_period;
-
-	join.channel_number = priv->channel->hw_value;
-	join.band = (priv->channel->band == IEEE80211_BAND_5GHZ) ?
-		WSM_PHY_BAND_5G : WSM_PHY_BAND_2_4G;
-
-	memcpy(join.bssid, bssid, sizeof(join.bssid));
-
-	pr_debug("[STA] Join BSSID: %pM DTIM: %d, interval: %d\n",
-		 join.bssid,
-		 join.dtim_period, priv->beacon_int);
-
-	if (!conf->ibss_joined) {
-		const u8 *ssidie;
-		rcu_read_lock();
-		ssidie = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
-		if (ssidie) {
-			join.ssid_len = ssidie[1];
-			memcpy(join.ssid, &ssidie[2], join.ssid_len);
-		}
-		rcu_read_unlock();
-	}
-
-	if (priv->vif->p2p) {
-		join.flags |= WSM_JOIN_FLAGS_P2P_GO;
-		join.basic_rate_set =
-			cw1200_rate_mask_to_wsm(priv, 0xFF0);
-	}
-
-	/* Enable asynchronous join calls */
-	if (!conf->ibss_joined) {
-		join.flags |= WSM_JOIN_FLAGS_FORCE;
-		join.flags |= WSM_JOIN_FLAGS_FORCE_WITH_COMPLETE_IND;
-	}
-
-	wsm_flush_tx(priv);
-
-	/* Stay Awake for Join and Auth Timeouts and a bit more */
-	cw1200_pm_stay_awake(&priv->pm_state,
-			     CW1200_JOIN_TIMEOUT + CW1200_AUTH_TIMEOUT);
-
-	cw1200_update_listening(priv, false);
-
-	/* Turn on Block ACKs */
-	wsm_set_block_ack_policy(priv, priv->ba_tx_tid_mask,
-				 priv->ba_rx_tid_mask);
-
-	/* Set up timeout */
-	if (join.flags & WSM_JOIN_FLAGS_FORCE_WITH_COMPLETE_IND) {
-		priv->join_status = CW1200_JOIN_STATUS_JOINING;
-		queue_delayed_work(priv->workqueue,
-				   &priv->join_timeout,
-				   CW1200_JOIN_TIMEOUT);
-	}
-
-	/* 802.11w protected mgmt frames */
-	mgmt_policy.protectedMgmtEnable = 0;
-	mgmt_policy.unprotectedMgmtFramesAllowed = 1;
-	mgmt_policy.encryptionForAuthFrame = 1;
-	wsm_set_protected_mgmt_policy(priv, &mgmt_policy);
-
-	/* Perform actual join */
-	if (wsm_join(priv, &join)) {
-		pr_err("[STA] cw1200_join_work: wsm_join failed!\n");
-		cancel_delayed_work_sync(&priv->join_timeout);
-		cw1200_update_listening(priv, priv->listening);
-		/* Tx lock still held, unjoin will clear it. */
-		if (queue_work(priv->workqueue, &priv->unjoin_work) <= 0)
-			wsm_unlock_tx(priv);
-	} else {
-		if (!(join.flags & WSM_JOIN_FLAGS_FORCE_WITH_COMPLETE_IND))
-			cw1200_join_complete(priv); /* Will clear tx_lock */
-
-		/* Upload keys */
-		cw1200_upload_keys(priv);
-
-		/* Due to beacon filtering it is possible that the
-		 * AP's beacon is not known for the mac80211 stack.
-		 * Disable filtering temporary to make sure the stack
-		 * receives at least one
-		 */
-		priv->disable_beacon_filter = true;
-	}
-	cw1200_update_filtering(priv);
-
-done_put:
-	mutex_unlock(&priv->conf_mutex);
-	if (bss)
-		cfg80211_put_bss(priv->hw->wiphy, bss);
-}
-
-void cw1200_join_timeout(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, join_timeout.work);
-	pr_debug("[WSM] Join timed out.\n");
-	wsm_lock_tx(priv);
-	if (queue_work(priv->workqueue, &priv->unjoin_work) <= 0)
-		wsm_unlock_tx(priv);
-}
-
-static void cw1200_do_unjoin(struct cw1200_common *priv)
-{
-	struct wsm_reset reset = {
-		.reset_statistics = true,
-	};
-
-	cancel_delayed_work_sync(&priv->join_timeout);
-
-	mutex_lock(&priv->conf_mutex);
-	priv->join_pending = false;
-
-	if (atomic_read(&priv->scan.in_progress)) {
-		if (priv->delayed_unjoin)
-			wiphy_dbg(priv->hw->wiphy, "Delayed unjoin is already scheduled.\n");
-		else
-			priv->delayed_unjoin = true;
-		goto done;
-	}
-
-	priv->delayed_link_loss = false;
-
-	if (!priv->join_status)
-		goto done;
-
-	if (priv->join_status == CW1200_JOIN_STATUS_AP)
-		goto done;
-
-	cancel_work_sync(&priv->update_filtering_work);
-	cancel_work_sync(&priv->set_beacon_wakeup_period_work);
-	priv->join_status = CW1200_JOIN_STATUS_PASSIVE;
-
-	/* Unjoin is a reset. */
-	wsm_flush_tx(priv);
-	wsm_keep_alive_period(priv, 0);
-	wsm_reset(priv, &reset);
-	wsm_set_output_power(priv, priv->output_power * 10);
-	priv->join_dtim_period = 0;
-	cw1200_setup_mac(priv);
-	cw1200_free_event_queue(priv);
-	cancel_work_sync(&priv->event_handler);
-	cw1200_update_listening(priv, priv->listening);
-	cw1200_cqm_bssloss_sm(priv, 0, 0, 0);
-
-	/* Disable Block ACKs */
-	wsm_set_block_ack_policy(priv, 0, 0);
-
-	priv->disable_beacon_filter = false;
-	cw1200_update_filtering(priv);
-	memset(&priv->association_mode, 0,
-	       sizeof(priv->association_mode));
-	memset(&priv->bss_params, 0, sizeof(priv->bss_params));
-	priv->setbssparams_done = false;
-	memset(&priv->firmware_ps_mode, 0,
-	       sizeof(priv->firmware_ps_mode));
-
-	pr_debug("[STA] Unjoin completed.\n");
-
-done:
-	mutex_unlock(&priv->conf_mutex);
-}
-
-void cw1200_unjoin_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, unjoin_work);
-
-	cw1200_do_unjoin(priv);
-
-	/* Tell the stack we're dead */
-	ieee80211_connection_loss(priv->vif);
-
-	wsm_unlock_tx(priv);
-}
-
-int cw1200_enable_listening(struct cw1200_common *priv)
-{
-	struct wsm_start start = {
-		.mode = WSM_START_MODE_P2P_DEV,
-		.band = WSM_PHY_BAND_2_4G,
-		.beacon_interval = 100,
-		.dtim_period = 1,
-		.probe_delay = 0,
-		.basic_rate_set = 0x0F,
-	};
-
-	if (priv->channel) {
-		start.band = priv->channel->band == IEEE80211_BAND_5GHZ ?
-			     WSM_PHY_BAND_5G : WSM_PHY_BAND_2_4G;
-		start.channel_number = priv->channel->hw_value;
-	} else {
-		start.band = WSM_PHY_BAND_2_4G;
-		start.channel_number = 1;
-	}
-
-	return wsm_start(priv, &start);
-}
-
-int cw1200_disable_listening(struct cw1200_common *priv)
-{
-	int ret;
-	struct wsm_reset reset = {
-		.reset_statistics = true,
-	};
-	ret = wsm_reset(priv, &reset);
-	return ret;
-}
-
-void cw1200_update_listening(struct cw1200_common *priv, bool enabled)
-{
-	if (enabled) {
-		if (priv->join_status == CW1200_JOIN_STATUS_PASSIVE) {
-			if (!cw1200_enable_listening(priv))
-				priv->join_status = CW1200_JOIN_STATUS_MONITOR;
-			wsm_set_probe_responder(priv, true);
-		}
-	} else {
-		if (priv->join_status == CW1200_JOIN_STATUS_MONITOR) {
-			if (!cw1200_disable_listening(priv))
-				priv->join_status = CW1200_JOIN_STATUS_PASSIVE;
-			wsm_set_probe_responder(priv, false);
-		}
-	}
-}
-
-int cw1200_set_uapsd_param(struct cw1200_common *priv,
-			   const struct wsm_edca_params *arg)
-{
-	int ret;
-	u16 uapsd_flags = 0;
-
-	/* Here's the mapping AC [queue, bit]
-	 *  VO [0,3], VI [1, 2], BE [2, 1], BK [3, 0]
-	 */
-
-	if (arg->uapsd_enable[0])
-		uapsd_flags |= 1 << 3;
-
-	if (arg->uapsd_enable[1])
-		uapsd_flags |= 1 << 2;
-
-	if (arg->uapsd_enable[2])
-		uapsd_flags |= 1 << 1;
-
-	if (arg->uapsd_enable[3])
-		uapsd_flags |= 1;
-
-	/* Currently pseudo U-APSD operation is not supported, so setting
-	 * MinAutoTriggerInterval, MaxAutoTriggerInterval and
-	 * AutoTriggerStep to 0
-	 */
-
-	priv->uapsd_info.uapsd_flags = cpu_to_le16(uapsd_flags);
-	priv->uapsd_info.min_auto_trigger_interval = 0;
-	priv->uapsd_info.max_auto_trigger_interval = 0;
-	priv->uapsd_info.auto_trigger_step = 0;
-
-	ret = wsm_set_uapsd_info(priv, &priv->uapsd_info);
-	return ret;
-}
-
-/* ******************************************************************** */
-/* AP API								*/
-
-int cw1200_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
-		   struct ieee80211_sta *sta)
-{
-	struct cw1200_common *priv = hw->priv;
-	struct cw1200_sta_priv *sta_priv =
-			(struct cw1200_sta_priv *)&sta->drv_priv;
-	struct cw1200_link_entry *entry;
-	struct sk_buff *skb;
-
-	if (priv->mode != NL80211_IFTYPE_AP)
-		return 0;
-
-	sta_priv->link_id = cw1200_find_link_id(priv, sta->addr);
-	if (WARN_ON(!sta_priv->link_id)) {
-		wiphy_info(priv->hw->wiphy,
-			   "[AP] No more link IDs available.\n");
-		return -ENOENT;
-	}
-
-	entry = &priv->link_id_db[sta_priv->link_id - 1];
-	spin_lock_bh(&priv->ps_state_lock);
-	if ((sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) ==
-					IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
-		priv->sta_asleep_mask |= BIT(sta_priv->link_id);
-	entry->status = CW1200_LINK_HARD;
-	while ((skb = skb_dequeue(&entry->rx_queue)))
-		ieee80211_rx_irqsafe(priv->hw, skb);
-	spin_unlock_bh(&priv->ps_state_lock);
-	return 0;
-}
-
-int cw1200_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
-		      struct ieee80211_sta *sta)
-{
-	struct cw1200_common *priv = hw->priv;
-	struct cw1200_sta_priv *sta_priv =
-			(struct cw1200_sta_priv *)&sta->drv_priv;
-	struct cw1200_link_entry *entry;
-
-	if (priv->mode != NL80211_IFTYPE_AP || !sta_priv->link_id)
-		return 0;
-
-	entry = &priv->link_id_db[sta_priv->link_id - 1];
-	spin_lock_bh(&priv->ps_state_lock);
-	entry->status = CW1200_LINK_RESERVE;
-	entry->timestamp = jiffies;
-	wsm_lock_tx_async(priv);
-	if (queue_work(priv->workqueue, &priv->link_id_work) <= 0)
-		wsm_unlock_tx(priv);
-	spin_unlock_bh(&priv->ps_state_lock);
-	flush_workqueue(priv->workqueue);
-	return 0;
-}
-
-static void __cw1200_sta_notify(struct ieee80211_hw *dev,
-				struct ieee80211_vif *vif,
-				enum sta_notify_cmd notify_cmd,
-				int link_id)
-{
-	struct cw1200_common *priv = dev->priv;
-	u32 bit, prev;
-
-	/* Zero link id means "for all link IDs" */
-	if (link_id)
-		bit = BIT(link_id);
-	else if (WARN_ON_ONCE(notify_cmd != STA_NOTIFY_AWAKE))
-		bit = 0;
-	else
-		bit = priv->link_id_map;
-	prev = priv->sta_asleep_mask & bit;
-
-	switch (notify_cmd) {
-	case STA_NOTIFY_SLEEP:
-		if (!prev) {
-			if (priv->buffered_multicasts &&
-			    !priv->sta_asleep_mask)
-				queue_work(priv->workqueue,
-					   &priv->multicast_start_work);
-			priv->sta_asleep_mask |= bit;
-		}
-		break;
-	case STA_NOTIFY_AWAKE:
-		if (prev) {
-			priv->sta_asleep_mask &= ~bit;
-			priv->pspoll_mask &= ~bit;
-			if (priv->tx_multicast && link_id &&
-			    !priv->sta_asleep_mask)
-				queue_work(priv->workqueue,
-					   &priv->multicast_stop_work);
-			cw1200_bh_wakeup(priv);
-		}
-		break;
-	}
-}
-
-void cw1200_sta_notify(struct ieee80211_hw *dev,
-		       struct ieee80211_vif *vif,
-		       enum sta_notify_cmd notify_cmd,
-		       struct ieee80211_sta *sta)
-{
-	struct cw1200_common *priv = dev->priv;
-	struct cw1200_sta_priv *sta_priv =
-		(struct cw1200_sta_priv *)&sta->drv_priv;
-
-	spin_lock_bh(&priv->ps_state_lock);
-	__cw1200_sta_notify(dev, vif, notify_cmd, sta_priv->link_id);
-	spin_unlock_bh(&priv->ps_state_lock);
-}
-
-static void cw1200_ps_notify(struct cw1200_common *priv,
-		      int link_id, bool ps)
-{
-	if (link_id > CW1200_MAX_STA_IN_AP_MODE)
-		return;
-
-	pr_debug("%s for LinkId: %d. STAs asleep: %.8X\n",
-		 ps ? "Stop" : "Start",
-		 link_id, priv->sta_asleep_mask);
-
-	__cw1200_sta_notify(priv->hw, priv->vif,
-			    ps ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, link_id);
-}
-
-static int cw1200_set_tim_impl(struct cw1200_common *priv, bool aid0_bit_set)
-{
-	struct sk_buff *skb;
-	struct wsm_update_ie update_ie = {
-		.what = WSM_UPDATE_IE_BEACON,
-		.count = 1,
-	};
-	u16 tim_offset, tim_length;
-
-	pr_debug("[AP] mcast: %s.\n", aid0_bit_set ? "ena" : "dis");
-
-	skb = ieee80211_beacon_get_tim(priv->hw, priv->vif,
-			&tim_offset, &tim_length);
-	if (!skb) {
-		if (!__cw1200_flush(priv, true))
-			wsm_unlock_tx(priv);
-		return -ENOENT;
-	}
-
-	if (tim_offset && tim_length >= 6) {
-		/* Ignore DTIM count from mac80211:
-		 * firmware handles DTIM internally.
-		 */
-		skb->data[tim_offset + 2] = 0;
-
-		/* Set/reset aid0 bit */
-		if (aid0_bit_set)
-			skb->data[tim_offset + 4] |= 1;
-		else
-			skb->data[tim_offset + 4] &= ~1;
-	}
-
-	update_ie.ies = &skb->data[tim_offset];
-	update_ie.length = tim_length;
-	wsm_update_ie(priv, &update_ie);
-
-	dev_kfree_skb(skb);
-
-	return 0;
-}
-
-void cw1200_set_tim_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, set_tim_work);
-	(void)cw1200_set_tim_impl(priv, priv->aid0_bit_set);
-}
-
-int cw1200_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta,
-		   bool set)
-{
-	struct cw1200_common *priv = dev->priv;
-	queue_work(priv->workqueue, &priv->set_tim_work);
-	return 0;
-}
-
-void cw1200_set_cts_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, set_cts_work);
-
-	u8 erp_ie[3] = {WLAN_EID_ERP_INFO, 0x1, 0};
-	struct wsm_update_ie update_ie = {
-		.what = WSM_UPDATE_IE_BEACON,
-		.count = 1,
-		.ies = erp_ie,
-		.length = 3,
-	};
-	u32 erp_info;
-	__le32 use_cts_prot;
-	mutex_lock(&priv->conf_mutex);
-	erp_info = priv->erp_info;
-	mutex_unlock(&priv->conf_mutex);
-	use_cts_prot =
-		erp_info & WLAN_ERP_USE_PROTECTION ?
-		__cpu_to_le32(1) : 0;
-
-	erp_ie[ERP_INFO_BYTE_OFFSET] = erp_info;
-
-	pr_debug("[STA] ERP information 0x%x\n", erp_info);
-
-	wsm_write_mib(priv, WSM_MIB_ID_NON_ERP_PROTECTION,
-		      &use_cts_prot, sizeof(use_cts_prot));
-	wsm_update_ie(priv, &update_ie);
-
-	return;
-}
-
-static int cw1200_set_btcoexinfo(struct cw1200_common *priv)
-{
-	struct wsm_override_internal_txrate arg;
-	int ret = 0;
-
-	if (priv->mode == NL80211_IFTYPE_STATION) {
-		/* Plumb PSPOLL and NULL template */
-		cw1200_upload_pspoll(priv);
-		cw1200_upload_null(priv);
-		cw1200_upload_qosnull(priv);
-	} else {
-		return 0;
-	}
-
-	memset(&arg, 0, sizeof(struct wsm_override_internal_txrate));
-
-	if (!priv->vif->p2p) {
-		/* STATION mode */
-		if (priv->bss_params.operational_rate_set & ~0xF) {
-			pr_debug("[STA] STA has ERP rates\n");
-			/* G or BG mode */
-			arg.internalTxRate = (__ffs(
-			priv->bss_params.operational_rate_set & ~0xF));
-		} else {
-			pr_debug("[STA] STA has non ERP rates\n");
-			/* B only mode */
-			arg.internalTxRate = (__ffs(le32_to_cpu(priv->association_mode.basic_rate_set)));
-		}
-		arg.nonErpInternalTxRate = (__ffs(le32_to_cpu(priv->association_mode.basic_rate_set)));
-	} else {
-		/* P2P mode */
-		arg.internalTxRate = (__ffs(priv->bss_params.operational_rate_set & ~0xF));
-		arg.nonErpInternalTxRate = (__ffs(priv->bss_params.operational_rate_set & ~0xF));
-	}
-
-	pr_debug("[STA] BTCOEX_INFO MODE %d, internalTxRate : %x, nonErpInternalTxRate: %x\n",
-		 priv->mode,
-		 arg.internalTxRate,
-		 arg.nonErpInternalTxRate);
-
-	ret = wsm_write_mib(priv, WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE,
-			    &arg, sizeof(arg));
-
-	return ret;
-}
-
-void cw1200_bss_info_changed(struct ieee80211_hw *dev,
-			     struct ieee80211_vif *vif,
-			     struct ieee80211_bss_conf *info,
-			     u32 changed)
-{
-	struct cw1200_common *priv = dev->priv;
-	bool do_join = false;
-
-	mutex_lock(&priv->conf_mutex);
-
-	pr_debug("BSS CHANGED:  %08x\n", changed);
-
-	/* TODO: BSS_CHANGED_QOS */
-	/* TODO: BSS_CHANGED_TXPOWER */
-
-	if (changed & BSS_CHANGED_ARP_FILTER) {
-		struct wsm_mib_arp_ipv4_filter filter = {0};
-		int i;
-
-		pr_debug("[STA] BSS_CHANGED_ARP_FILTER cnt: %d\n",
-			 info->arp_addr_cnt);
-
-		/* Currently only one IP address is supported by firmware.
-		 * In case of more IPs arp filtering will be disabled.
-		 */
-		if (info->arp_addr_cnt > 0 &&
-		    info->arp_addr_cnt <= WSM_MAX_ARP_IP_ADDRTABLE_ENTRIES) {
-			for (i = 0; i < info->arp_addr_cnt; i++) {
-				filter.ipv4addrs[i] = info->arp_addr_list[i];
-				pr_debug("[STA] addr[%d]: 0x%X\n",
-					 i, filter.ipv4addrs[i]);
-			}
-			filter.enable = __cpu_to_le32(1);
-		}
-
-		pr_debug("[STA] arp ip filter enable: %d\n",
-			 __le32_to_cpu(filter.enable));
-
-		wsm_set_arp_ipv4_filter(priv, &filter);
-	}
-
-	if (changed &
-	    (BSS_CHANGED_BEACON |
-	     BSS_CHANGED_AP_PROBE_RESP |
-	     BSS_CHANGED_BSSID |
-	     BSS_CHANGED_SSID |
-	     BSS_CHANGED_IBSS)) {
-		pr_debug("BSS_CHANGED_BEACON\n");
-		priv->beacon_int = info->beacon_int;
-		cw1200_update_beaconing(priv);
-		cw1200_upload_beacon(priv);
-	}
-
-	if (changed & BSS_CHANGED_BEACON_ENABLED) {
-		pr_debug("BSS_CHANGED_BEACON_ENABLED (%d)\n", info->enable_beacon);
-
-		if (priv->enable_beacon != info->enable_beacon) {
-			cw1200_enable_beaconing(priv, info->enable_beacon);
-			priv->enable_beacon = info->enable_beacon;
-		}
-	}
-
-	if (changed & BSS_CHANGED_BEACON_INT) {
-		pr_debug("CHANGED_BEACON_INT\n");
-		if (info->ibss_joined)
-			do_join = true;
-		else if (priv->join_status == CW1200_JOIN_STATUS_AP)
-			cw1200_update_beaconing(priv);
-	}
-
-	/* assoc/disassoc, or maybe AID changed */
-	if (changed & BSS_CHANGED_ASSOC) {
-		wsm_lock_tx(priv);
-		priv->wep_default_key_id = -1;
-		wsm_unlock_tx(priv);
-	}
-
-	if (changed & BSS_CHANGED_BSSID) {
-		pr_debug("BSS_CHANGED_BSSID\n");
-		do_join = true;
-	}
-
-	if (changed &
-	    (BSS_CHANGED_ASSOC |
-	     BSS_CHANGED_BSSID |
-	     BSS_CHANGED_IBSS |
-	     BSS_CHANGED_BASIC_RATES |
-	     BSS_CHANGED_HT)) {
-		pr_debug("BSS_CHANGED_ASSOC\n");
-		if (info->assoc) {
-			if (priv->join_status < CW1200_JOIN_STATUS_PRE_STA) {
-				ieee80211_connection_loss(vif);
-				mutex_unlock(&priv->conf_mutex);
-				return;
-			} else if (priv->join_status == CW1200_JOIN_STATUS_PRE_STA) {
-				priv->join_status = CW1200_JOIN_STATUS_STA;
-			}
-		} else {
-			do_join = true;
-		}
-
-		if (info->assoc || info->ibss_joined) {
-			struct ieee80211_sta *sta = NULL;
-			__le32 htprot = 0;
-
-			if (info->dtim_period)
-				priv->join_dtim_period = info->dtim_period;
-			priv->beacon_int = info->beacon_int;
-
-			rcu_read_lock();
-
-			if (info->bssid && !info->ibss_joined)
-				sta = ieee80211_find_sta(vif, info->bssid);
-			if (sta) {
-				priv->ht_info.ht_cap = sta->ht_cap;
-				priv->bss_params.operational_rate_set =
-					cw1200_rate_mask_to_wsm(priv,
-								sta->supp_rates[priv->channel->band]);
-				priv->ht_info.channel_type = cfg80211_get_chandef_type(&dev->conf.chandef);
-				priv->ht_info.operation_mode = info->ht_operation_mode;
-			} else {
-				memset(&priv->ht_info, 0,
-				       sizeof(priv->ht_info));
-				priv->bss_params.operational_rate_set = -1;
-			}
-			rcu_read_unlock();
-
-			/* Non Greenfield stations present */
-			if (priv->ht_info.operation_mode &
-			    IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)
-				htprot |= cpu_to_le32(WSM_NON_GREENFIELD_STA_PRESENT);
-
-			/* Set HT protection method */
-			htprot |= cpu_to_le32((priv->ht_info.operation_mode & IEEE80211_HT_OP_MODE_PROTECTION) << 2);
-
-			/* TODO:
-			 * STBC_param.dual_cts
-			 *  STBC_param.LSIG_TXOP_FILL
-			 */
-
-			wsm_write_mib(priv, WSM_MIB_ID_SET_HT_PROTECTION,
-				      &htprot, sizeof(htprot));
-
-			priv->association_mode.greenfield =
-				cw1200_ht_greenfield(&priv->ht_info);
-			priv->association_mode.flags =
-				WSM_ASSOCIATION_MODE_SNOOP_ASSOC_FRAMES |
-				WSM_ASSOCIATION_MODE_USE_PREAMBLE_TYPE |
-				WSM_ASSOCIATION_MODE_USE_HT_MODE |
-				WSM_ASSOCIATION_MODE_USE_BASIC_RATE_SET |
-				WSM_ASSOCIATION_MODE_USE_MPDU_START_SPACING;
-			priv->association_mode.preamble =
-				info->use_short_preamble ?
-				WSM_JOIN_PREAMBLE_SHORT :
-				WSM_JOIN_PREAMBLE_LONG;
-			priv->association_mode.basic_rate_set = __cpu_to_le32(
-				cw1200_rate_mask_to_wsm(priv,
-							info->basic_rates));
-			priv->association_mode.mpdu_start_spacing =
-				cw1200_ht_ampdu_density(&priv->ht_info);
-
-			cw1200_cqm_bssloss_sm(priv, 0, 0, 0);
-			cancel_work_sync(&priv->unjoin_work);
-
-			priv->bss_params.beacon_lost_count = priv->cqm_beacon_loss_count;
-			priv->bss_params.aid = info->aid;
-
-			if (priv->join_dtim_period < 1)
-				priv->join_dtim_period = 1;
-
-			pr_debug("[STA] DTIM %d, interval: %d\n",
-				 priv->join_dtim_period, priv->beacon_int);
-			pr_debug("[STA] Preamble: %d, Greenfield: %d, Aid: %d, Rates: 0x%.8X, Basic: 0x%.8X\n",
-				 priv->association_mode.preamble,
-				 priv->association_mode.greenfield,
-				 priv->bss_params.aid,
-				 priv->bss_params.operational_rate_set,
-				 priv->association_mode.basic_rate_set);
-			wsm_set_association_mode(priv, &priv->association_mode);
-
-			if (!info->ibss_joined) {
-				wsm_keep_alive_period(priv, 30 /* sec */);
-				wsm_set_bss_params(priv, &priv->bss_params);
-				priv->setbssparams_done = true;
-				cw1200_set_beacon_wakeup_period_work(&priv->set_beacon_wakeup_period_work);
-				cw1200_set_pm(priv, &priv->powersave_mode);
-			}
-			if (priv->vif->p2p) {
-				pr_debug("[STA] Setting p2p powersave configuration.\n");
-				wsm_set_p2p_ps_modeinfo(priv,
-							&priv->p2p_ps_modeinfo);
-			}
-			if (priv->bt_present)
-				cw1200_set_btcoexinfo(priv);
-		} else {
-			memset(&priv->association_mode, 0,
-			       sizeof(priv->association_mode));
-			memset(&priv->bss_params, 0, sizeof(priv->bss_params));
-		}
-	}
-
-	/* ERP Protection */
-	if (changed & (BSS_CHANGED_ASSOC |
-		       BSS_CHANGED_ERP_CTS_PROT |
-		       BSS_CHANGED_ERP_PREAMBLE)) {
-		u32 prev_erp_info = priv->erp_info;
-		if (info->use_cts_prot)
-			priv->erp_info |= WLAN_ERP_USE_PROTECTION;
-		else if (!(prev_erp_info & WLAN_ERP_NON_ERP_PRESENT))
-			priv->erp_info &= ~WLAN_ERP_USE_PROTECTION;
-
-		if (info->use_short_preamble)
-			priv->erp_info |= WLAN_ERP_BARKER_PREAMBLE;
-		else
-			priv->erp_info &= ~WLAN_ERP_BARKER_PREAMBLE;
-
-		pr_debug("[STA] ERP Protection: %x\n", priv->erp_info);
-
-		if (prev_erp_info != priv->erp_info)
-			queue_work(priv->workqueue, &priv->set_cts_work);
-	}
-
-	/* ERP Slottime */
-	if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_SLOT)) {
-		__le32 slot_time = info->use_short_slot ?
-			__cpu_to_le32(9) : __cpu_to_le32(20);
-		pr_debug("[STA] Slot time: %d us.\n",
-			 __le32_to_cpu(slot_time));
-		wsm_write_mib(priv, WSM_MIB_ID_DOT11_SLOT_TIME,
-			      &slot_time, sizeof(slot_time));
-	}
-
-	if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_CQM)) {
-		struct wsm_rcpi_rssi_threshold threshold = {
-			.rollingAverageCount = 8,
-		};
-		pr_debug("[CQM] RSSI threshold subscribe: %d +- %d\n",
-			 info->cqm_rssi_thold, info->cqm_rssi_hyst);
-		priv->cqm_rssi_thold = info->cqm_rssi_thold;
-		priv->cqm_rssi_hyst = info->cqm_rssi_hyst;
-
-		if (info->cqm_rssi_thold || info->cqm_rssi_hyst) {
-			/* RSSI subscription enabled */
-			/* TODO: It's not a correct way of setting threshold.
-			 * Upper and lower must be set equal here and adjusted
-			 * in callback. However current implementation is much
-			 * more relaible and stable.
-			 */
-
-			/* RSSI: signed Q8.0, RCPI: unsigned Q7.1
-			 * RSSI = RCPI / 2 - 110
-			 */
-			if (priv->cqm_use_rssi) {
-				threshold.upperThreshold =
-					info->cqm_rssi_thold + info->cqm_rssi_hyst;
-				threshold.lowerThreshold =
-					info->cqm_rssi_thold;
-				threshold.rssiRcpiMode |= WSM_RCPI_RSSI_USE_RSSI;
-			} else {
-				threshold.upperThreshold = (info->cqm_rssi_thold + info->cqm_rssi_hyst + 110) * 2;
-				threshold.lowerThreshold = (info->cqm_rssi_thold + 110) * 2;
-			}
-			threshold.rssiRcpiMode |= WSM_RCPI_RSSI_THRESHOLD_ENABLE;
-		} else {
-			/* There is a bug in FW, see sta.c. We have to enable
-			 * dummy subscription to get correct RSSI values.
-			 */
-			threshold.rssiRcpiMode |=
-				WSM_RCPI_RSSI_THRESHOLD_ENABLE |
-				WSM_RCPI_RSSI_DONT_USE_UPPER |
-				WSM_RCPI_RSSI_DONT_USE_LOWER;
-			if (priv->cqm_use_rssi)
-				threshold.rssiRcpiMode |= WSM_RCPI_RSSI_USE_RSSI;
-		}
-		wsm_set_rcpi_rssi_threshold(priv, &threshold);
-	}
-	mutex_unlock(&priv->conf_mutex);
-
-	if (do_join) {
-		wsm_lock_tx(priv);
-		cw1200_do_join(priv); /* Will unlock it for us */
-	}
-}
-
-void cw1200_multicast_start_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, multicast_start_work);
-	long tmo = priv->join_dtim_period *
-			(priv->beacon_int + 20) * HZ / 1024;
-
-	cancel_work_sync(&priv->multicast_stop_work);
-
-	if (!priv->aid0_bit_set) {
-		wsm_lock_tx(priv);
-		cw1200_set_tim_impl(priv, true);
-		priv->aid0_bit_set = true;
-		mod_timer(&priv->mcast_timeout, jiffies + tmo);
-		wsm_unlock_tx(priv);
-	}
-}
-
-void cw1200_multicast_stop_work(struct work_struct *work)
-{
-	struct cw1200_common *priv =
-		container_of(work, struct cw1200_common, multicast_stop_work);
-
-	if (priv->aid0_bit_set) {
-		del_timer_sync(&priv->mcast_timeout);
-		wsm_lock_tx(priv);
-		priv->aid0_bit_set = false;
-		cw1200_set_tim_impl(priv, false);
-		wsm_unlock_tx(priv);
-	}
-}
-
-void cw1200_mcast_timeout(unsigned long arg)
-{
-	struct cw1200_common *priv =
-		(struct cw1200_common *)arg;
-
-	wiphy_warn(priv->hw->wiphy,
-		   "Multicast delivery timeout.\n");
-	spin_lock_bh(&priv->ps_state_lock);
-	priv->tx_multicast = priv->aid0_bit_set &&
-			priv->buffered_multicasts;
-	if (priv->tx_multicast)
-		cw1200_bh_wakeup(priv);
-	spin_unlock_bh(&priv->ps_state_lock);
-}
-
-int cw1200_ampdu_action(struct ieee80211_hw *hw,
-			struct ieee80211_vif *vif,
-			enum ieee80211_ampdu_mlme_action action,
-			struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-			u8 buf_size, bool amsdu)
-{
-	/* Aggregation is implemented fully in firmware,
-	 * including block ack negotiation. Do not allow
-	 * mac80211 stack to do anything: it interferes with
-	 * the firmware.
-	 */
-
-	/* Note that we still need this function stubbed. */
-	return -ENOTSUPP;
-}
-
-/* ******************************************************************** */
-/* WSM callback								*/
-void cw1200_suspend_resume(struct cw1200_common *priv,
-			  struct wsm_suspend_resume *arg)
-{
-	pr_debug("[AP] %s: %s\n",
-		 arg->stop ? "stop" : "start",
-		 arg->multicast ? "broadcast" : "unicast");
-
-	if (arg->multicast) {
-		bool cancel_tmo = false;
-		spin_lock_bh(&priv->ps_state_lock);
-		if (arg->stop) {
-			priv->tx_multicast = false;
-		} else {
-			/* Firmware sends this indication every DTIM if there
-			 * is a STA in powersave connected. There is no reason
-			 * to suspend, following wakeup will consume much more
-			 * power than it could be saved.
-			 */
-			cw1200_pm_stay_awake(&priv->pm_state,
-					     priv->join_dtim_period *
-					     (priv->beacon_int + 20) * HZ / 1024);
-			priv->tx_multicast = (priv->aid0_bit_set &&
-					      priv->buffered_multicasts);
-			if (priv->tx_multicast) {
-				cancel_tmo = true;
-				cw1200_bh_wakeup(priv);
-			}
-		}
-		spin_unlock_bh(&priv->ps_state_lock);
-		if (cancel_tmo)
-			del_timer_sync(&priv->mcast_timeout);
-	} else {
-		spin_lock_bh(&priv->ps_state_lock);
-		cw1200_ps_notify(priv, arg->link_id, arg->stop);
-		spin_unlock_bh(&priv->ps_state_lock);
-		if (!arg->stop)
-			cw1200_bh_wakeup(priv);
-	}
-	return;
-}
-
-/* ******************************************************************** */
-/* AP privates								*/
-
-static int cw1200_upload_beacon(struct cw1200_common *priv)
-{
-	int ret = 0;
-	struct ieee80211_mgmt *mgmt;
-	struct wsm_template_frame frame = {
-		.frame_type = WSM_FRAME_TYPE_BEACON,
-	};
-
-	u16 tim_offset;
-	u16 tim_len;
-
-	if (priv->mode == NL80211_IFTYPE_STATION ||
-	    priv->mode == NL80211_IFTYPE_MONITOR ||
-	    priv->mode == NL80211_IFTYPE_UNSPECIFIED)
-		goto done;
-
-	if (priv->vif->p2p)
-		frame.rate = WSM_TRANSMIT_RATE_6;
-
-	frame.skb = ieee80211_beacon_get_tim(priv->hw, priv->vif,
-					     &tim_offset, &tim_len);
-	if (!frame.skb)
-		return -ENOMEM;
-
-	ret = wsm_set_template_frame(priv, &frame);
-
-	if (ret)
-		goto done;
-
-	/* TODO: Distill probe resp; remove TIM
-	 * and any other beacon-specific IEs
-	 */
-	mgmt = (void *)frame.skb->data;
-	mgmt->frame_control =
-		__cpu_to_le16(IEEE80211_FTYPE_MGMT |
-			      IEEE80211_STYPE_PROBE_RESP);
-
-	frame.frame_type = WSM_FRAME_TYPE_PROBE_RESPONSE;
-	if (priv->vif->p2p) {
-		ret = wsm_set_probe_responder(priv, true);
-	} else {
-		ret = wsm_set_template_frame(priv, &frame);
-		wsm_set_probe_responder(priv, false);
-	}
-
-done:
-	dev_kfree_skb(frame.skb);
-
-	return ret;
-}
-
-static int cw1200_upload_pspoll(struct cw1200_common *priv)
-{
-	int ret = 0;
-	struct wsm_template_frame frame = {
-		.frame_type = WSM_FRAME_TYPE_PS_POLL,
-		.rate = 0xFF,
-	};
-
-
-	frame.skb = ieee80211_pspoll_get(priv->hw, priv->vif);
-	if (!frame.skb)
-		return -ENOMEM;
-
-	ret = wsm_set_template_frame(priv, &frame);
-
-	dev_kfree_skb(frame.skb);
-
-	return ret;
-}
-
-static int cw1200_upload_null(struct cw1200_common *priv)
-{
-	int ret = 0;
-	struct wsm_template_frame frame = {
-		.frame_type = WSM_FRAME_TYPE_NULL,
-		.rate = 0xFF,
-	};
-
-	frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif);
-	if (!frame.skb)
-		return -ENOMEM;
-
-	ret = wsm_set_template_frame(priv, &frame);
-
-	dev_kfree_skb(frame.skb);
-
-	return ret;
-}
-
-static int cw1200_upload_qosnull(struct cw1200_common *priv)
-{
-	/* TODO:  This needs to be implemented
-
-	struct wsm_template_frame frame = {
-		.frame_type = WSM_FRAME_TYPE_QOS_NULL,
-		.rate = 0xFF,
-	};
-
-	frame.skb = ieee80211_qosnullfunc_get(priv->hw, priv->vif);
-	if (!frame.skb)
-		return -ENOMEM;
-
-	ret = wsm_set_template_frame(priv, &frame);
-
-	dev_kfree_skb(frame.skb);
-
-	*/
-	return 0;
-}
-
-static int cw1200_enable_beaconing(struct cw1200_common *priv,
-				   bool enable)
-{
-	struct wsm_beacon_transmit transmit = {
-		.enable_beaconing = enable,
-	};
-
-	return wsm_beacon_transmit(priv, &transmit);
-}
-
-static int cw1200_start_ap(struct cw1200_common *priv)
-{
-	int ret;
-	struct ieee80211_bss_conf *conf = &priv->vif->bss_conf;
-	struct wsm_start start = {
-		.mode = priv->vif->p2p ?
-				WSM_START_MODE_P2P_GO : WSM_START_MODE_AP,
-		.band = (priv->channel->band == IEEE80211_BAND_5GHZ) ?
-				WSM_PHY_BAND_5G : WSM_PHY_BAND_2_4G,
-		.channel_number = priv->channel->hw_value,
-		.beacon_interval = conf->beacon_int,
-		.dtim_period = conf->dtim_period,
-		.preamble = conf->use_short_preamble ?
-				WSM_JOIN_PREAMBLE_SHORT :
-				WSM_JOIN_PREAMBLE_LONG,
-		.probe_delay = 100,
-		.basic_rate_set = cw1200_rate_mask_to_wsm(priv,
-				conf->basic_rates),
-	};
-	struct wsm_operational_mode mode = {
-		.power_mode = cw1200_power_mode,
-		.disable_more_flag_usage = true,
-	};
-
-	memset(start.ssid, 0, sizeof(start.ssid));
-	if (!conf->hidden_ssid) {
-		start.ssid_len = conf->ssid_len;
-		memcpy(start.ssid, conf->ssid, start.ssid_len);
-	}
-
-	priv->beacon_int = conf->beacon_int;
-	priv->join_dtim_period = conf->dtim_period;
-
-	memset(&priv->link_id_db, 0, sizeof(priv->link_id_db));
-
-	pr_debug("[AP] ch: %d(%d), bcn: %d(%d), brt: 0x%.8X, ssid: %.*s.\n",
-		 start.channel_number, start.band,
-		 start.beacon_interval, start.dtim_period,
-		 start.basic_rate_set,
-		 start.ssid_len, start.ssid);
-	ret = wsm_start(priv, &start);
-	if (!ret)
-		ret = cw1200_upload_keys(priv);
-	if (!ret && priv->vif->p2p) {
-		pr_debug("[AP] Setting p2p powersave configuration.\n");
-		wsm_set_p2p_ps_modeinfo(priv, &priv->p2p_ps_modeinfo);
-	}
-	if (!ret) {
-		wsm_set_block_ack_policy(priv, 0, 0);
-		priv->join_status = CW1200_JOIN_STATUS_AP;
-		cw1200_update_filtering(priv);
-	}
-	wsm_set_operational_mode(priv, &mode);
-	return ret;
-}
-
-static int cw1200_update_beaconing(struct cw1200_common *priv)
-{
-	struct ieee80211_bss_conf *conf = &priv->vif->bss_conf;
-	struct wsm_reset reset = {
-		.link_id = 0,
-		.reset_statistics = true,
-	};
-
-	if (priv->mode == NL80211_IFTYPE_AP) {
-		/* TODO: check if changed channel, band */
-		if (priv->join_status != CW1200_JOIN_STATUS_AP ||
-		    priv->beacon_int != conf->beacon_int) {
-			pr_debug("ap restarting\n");
-			wsm_lock_tx(priv);
-			if (priv->join_status != CW1200_JOIN_STATUS_PASSIVE)
-				wsm_reset(priv, &reset);
-			priv->join_status = CW1200_JOIN_STATUS_PASSIVE;
-			cw1200_start_ap(priv);
-			wsm_unlock_tx(priv);
-		} else
-			pr_debug("ap started join_status: %d\n",
-				 priv->join_status);
-	}
-	return 0;
-}