Linux-libre 4.5-gnu

1 files changed, 0 insertions, 782 deletions

diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
deleted file mode 100644
index de74a7773..000000000
--- a/drivers/net/wireless/mwifiex/init.c
+++ /dev/null
@@ -1,782 +0,0 @@
-/*
- * Marvell Wireless LAN device driver: HW/FW Initialization
- *
- * Copyright (C) 2011-2014, Marvell International Ltd.
- *
- * This software file (the "File") is distributed by Marvell International
- * Ltd. under the terms of the GNU General Public License Version 2, June 1991
- * (the "License").  You may use, redistribute and/or modify this File in
- * accordance with the terms and conditions of the License, a copy of which
- * is available by writing to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
- * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
- *
- * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
- * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
- * this warranty disclaimer.
- */
-
-#include "decl.h"
-#include "ioctl.h"
-#include "util.h"
-#include "fw.h"
-#include "main.h"
-#include "wmm.h"
-#include "11n.h"
-
-/*
- * This function adds a BSS priority table to the table list.
- *
- * The function allocates a new BSS priority table node and adds it to
- * the end of BSS priority table list, kept in driver memory.
- */
-static int mwifiex_add_bss_prio_tbl(struct mwifiex_private *priv)
-{
-	struct mwifiex_adapter *adapter = priv->adapter;
-	struct mwifiex_bss_prio_node *bss_prio;
-	struct mwifiex_bss_prio_tbl *tbl = adapter->bss_prio_tbl;
-	unsigned long flags;
-
-	bss_prio = kzalloc(sizeof(struct mwifiex_bss_prio_node), GFP_KERNEL);
-	if (!bss_prio)
-		return -ENOMEM;
-
-	bss_prio->priv = priv;
-	INIT_LIST_HEAD(&bss_prio->list);
-
-	spin_lock_irqsave(&tbl[priv->bss_priority].bss_prio_lock, flags);
-	list_add_tail(&bss_prio->list, &tbl[priv->bss_priority].bss_prio_head);
-	spin_unlock_irqrestore(&tbl[priv->bss_priority].bss_prio_lock, flags);
-
-	return 0;
-}
-
-static void wakeup_timer_fn(unsigned long data)
-{
-	struct mwifiex_adapter *adapter = (struct mwifiex_adapter *)data;
-
-	mwifiex_dbg(adapter, ERROR, "Firmware wakeup failed\n");
-	adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
-	mwifiex_cancel_all_pending_cmd(adapter);
-
-	if (adapter->if_ops.card_reset)
-		adapter->if_ops.card_reset(adapter);
-}
-
-/*
- * This function initializes the private structure and sets default
- * values to the members.
- *
- * Additionally, it also initializes all the locks and sets up all the
- * lists.
- */
-int mwifiex_init_priv(struct mwifiex_private *priv)
-{
-	u32 i;
-
-	priv->media_connected = false;
-	eth_broadcast_addr(priv->curr_addr);
-	priv->port_open = false;
-	priv->usb_port = MWIFIEX_USB_EP_DATA;
-	priv->pkt_tx_ctrl = 0;
-	priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
-	priv->data_rate = 0;	/* Initially indicate the rate as auto */
-	priv->is_data_rate_auto = true;
-	priv->bcn_avg_factor = DEFAULT_BCN_AVG_FACTOR;
-	priv->data_avg_factor = DEFAULT_DATA_AVG_FACTOR;
-
-	priv->sec_info.wep_enabled = 0;
-	priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
-	priv->sec_info.encryption_mode = 0;
-	for (i = 0; i < ARRAY_SIZE(priv->wep_key); i++)
-		memset(&priv->wep_key[i], 0, sizeof(struct mwifiex_wep_key));
-	priv->wep_key_curr_index = 0;
-	priv->curr_pkt_filter = HostCmd_ACT_MAC_RX_ON | HostCmd_ACT_MAC_TX_ON |
-				HostCmd_ACT_MAC_ETHERNETII_ENABLE;
-
-	priv->beacon_period = 100; /* beacon interval */ ;
-	priv->attempted_bss_desc = NULL;
-	memset(&priv->curr_bss_params, 0, sizeof(priv->curr_bss_params));
-	priv->listen_interval = MWIFIEX_DEFAULT_LISTEN_INTERVAL;
-
-	memset(&priv->prev_ssid, 0, sizeof(priv->prev_ssid));
-	memset(&priv->prev_bssid, 0, sizeof(priv->prev_bssid));
-	memset(&priv->assoc_rsp_buf, 0, sizeof(priv->assoc_rsp_buf));
-	priv->assoc_rsp_size = 0;
-	priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL;
-	priv->atim_window = 0;
-	priv->adhoc_state = ADHOC_IDLE;
-	priv->tx_power_level = 0;
-	priv->max_tx_power_level = 0;
-	priv->min_tx_power_level = 0;
-	priv->tx_rate = 0;
-	priv->rxpd_htinfo = 0;
-	priv->rxpd_rate = 0;
-	priv->rate_bitmap = 0;
-	priv->data_rssi_last = 0;
-	priv->data_rssi_avg = 0;
-	priv->data_nf_avg = 0;
-	priv->data_nf_last = 0;
-	priv->bcn_rssi_last = 0;
-	priv->bcn_rssi_avg = 0;
-	priv->bcn_nf_avg = 0;
-	priv->bcn_nf_last = 0;
-	memset(&priv->wpa_ie, 0, sizeof(priv->wpa_ie));
-	memset(&priv->aes_key, 0, sizeof(priv->aes_key));
-	priv->wpa_ie_len = 0;
-	priv->wpa_is_gtk_set = false;
-
-	memset(&priv->assoc_tlv_buf, 0, sizeof(priv->assoc_tlv_buf));
-	priv->assoc_tlv_buf_len = 0;
-	memset(&priv->wps, 0, sizeof(priv->wps));
-	memset(&priv->gen_ie_buf, 0, sizeof(priv->gen_ie_buf));
-	priv->gen_ie_buf_len = 0;
-	memset(priv->vs_ie, 0, sizeof(priv->vs_ie));
-
-	priv->wmm_required = true;
-	priv->wmm_enabled = false;
-	priv->wmm_qosinfo = 0;
-	priv->curr_bcn_buf = NULL;
-	priv->curr_bcn_size = 0;
-	priv->wps_ie = NULL;
-	priv->wps_ie_len = 0;
-	priv->ap_11n_enabled = 0;
-	memset(&priv->roc_cfg, 0, sizeof(priv->roc_cfg));
-
-	priv->scan_block = false;
-
-	priv->csa_chan = 0;
-	priv->csa_expire_time = 0;
-	priv->del_list_idx = 0;
-	priv->hs2_enabled = false;
-	priv->check_tdls_tx = false;
-	memcpy(priv->tos_to_tid_inv, tos_to_tid_inv, MAX_NUM_TID);
-
-	mwifiex_init_11h_params(priv);
-
-	return mwifiex_add_bss_prio_tbl(priv);
-}
-
-/*
- * This function allocates buffers for members of the adapter
- * structure.
- *
- * The memory allocated includes scan table, command buffers, and
- * sleep confirm command buffer. In addition, the queues are
- * also initialized.
- */
-static int mwifiex_allocate_adapter(struct mwifiex_adapter *adapter)
-{
-	int ret;
-
-	/* Allocate command buffer */
-	ret = mwifiex_alloc_cmd_buffer(adapter);
-	if (ret) {
-		mwifiex_dbg(adapter, ERROR,
-			    "%s: failed to alloc cmd buffer\n",
-			    __func__);
-		return -1;
-	}
-
-	adapter->sleep_cfm =
-		dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm)
-			      + INTF_HEADER_LEN);
-
-	if (!adapter->sleep_cfm) {
-		mwifiex_dbg(adapter, ERROR,
-			    "%s: failed to alloc sleep cfm\t"
-			    " cmd buffer\n", __func__);
-		return -1;
-	}
-	skb_reserve(adapter->sleep_cfm, INTF_HEADER_LEN);
-
-	return 0;
-}
-
-/*
- * This function initializes the adapter structure and sets default
- * values to the members of adapter.
- *
- * This also initializes the WMM related parameters in the driver private
- * structures.
- */
-static void mwifiex_init_adapter(struct mwifiex_adapter *adapter)
-{
-	struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = NULL;
-
-	skb_put(adapter->sleep_cfm, sizeof(struct mwifiex_opt_sleep_confirm));
-
-	adapter->cmd_sent = false;
-
-	if (adapter->iface_type == MWIFIEX_SDIO)
-		adapter->data_sent = true;
-	else
-		adapter->data_sent = false;
-
-	adapter->cmd_resp_received = false;
-	adapter->event_received = false;
-	adapter->data_received = false;
-
-	adapter->surprise_removed = false;
-
-	adapter->hw_status = MWIFIEX_HW_STATUS_INITIALIZING;
-
-	adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
-	adapter->ps_state = PS_STATE_AWAKE;
-	adapter->need_to_wakeup = false;
-
-	adapter->scan_mode = HostCmd_BSS_MODE_ANY;
-	adapter->specific_scan_time = MWIFIEX_SPECIFIC_SCAN_CHAN_TIME;
-	adapter->active_scan_time = MWIFIEX_ACTIVE_SCAN_CHAN_TIME;
-	adapter->passive_scan_time = MWIFIEX_PASSIVE_SCAN_CHAN_TIME;
-	adapter->scan_chan_gap_time = MWIFIEX_DEF_SCAN_CHAN_GAP_TIME;
-
-	adapter->scan_probes = 1;
-
-	adapter->multiple_dtim = 1;
-
-	adapter->local_listen_interval = 0;	/* default value in firmware
-						   will be used */
-
-	adapter->is_deep_sleep = false;
-
-	adapter->delay_null_pkt = false;
-	adapter->delay_to_ps = 1000;
-	adapter->enhanced_ps_mode = PS_MODE_AUTO;
-
-	adapter->gen_null_pkt = false;	/* Disable NULL Pkg generation by
-					   default */
-	adapter->pps_uapsd_mode = false; /* Disable pps/uapsd mode by
-					   default */
-	adapter->pm_wakeup_card_req = false;
-
-	adapter->pm_wakeup_fw_try = false;
-
-	adapter->curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K;
-
-	adapter->is_hs_configured = false;
-	adapter->hs_cfg.conditions = cpu_to_le32(HS_CFG_COND_DEF);
-	adapter->hs_cfg.gpio = HS_CFG_GPIO_DEF;
-	adapter->hs_cfg.gap = HS_CFG_GAP_DEF;
-	adapter->hs_activated = false;
-
-	memset(adapter->event_body, 0, sizeof(adapter->event_body));
-	adapter->hw_dot_11n_dev_cap = 0;
-	adapter->hw_dev_mcs_support = 0;
-	adapter->sec_chan_offset = 0;
-	adapter->adhoc_11n_enabled = false;
-
-	mwifiex_wmm_init(adapter);
-
-	sleep_cfm_buf = (struct mwifiex_opt_sleep_confirm *)
-					adapter->sleep_cfm->data;
-	memset(sleep_cfm_buf, 0, adapter->sleep_cfm->len);
-	sleep_cfm_buf->command = cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH);
-	sleep_cfm_buf->size = cpu_to_le16(adapter->sleep_cfm->len);
-	sleep_cfm_buf->result = 0;
-	sleep_cfm_buf->action = cpu_to_le16(SLEEP_CONFIRM);
-	sleep_cfm_buf->resp_ctrl = cpu_to_le16(RESP_NEEDED);
-
-	memset(&adapter->sleep_params, 0, sizeof(adapter->sleep_params));
-	memset(&adapter->sleep_period, 0, sizeof(adapter->sleep_period));
-	adapter->tx_lock_flag = false;
-	adapter->null_pkt_interval = 0;
-	adapter->fw_bands = 0;
-	adapter->config_bands = 0;
-	adapter->adhoc_start_band = 0;
-	adapter->scan_channels = NULL;
-	adapter->fw_release_number = 0;
-	adapter->fw_cap_info = 0;
-	memset(&adapter->upld_buf, 0, sizeof(adapter->upld_buf));
-	adapter->event_cause = 0;
-	adapter->region_code = 0;
-	adapter->bcn_miss_time_out = DEFAULT_BCN_MISS_TIMEOUT;
-	adapter->adhoc_awake_period = 0;
-	memset(&adapter->arp_filter, 0, sizeof(adapter->arp_filter));
-	adapter->arp_filter_size = 0;
-	adapter->max_mgmt_ie_index = MAX_MGMT_IE_INDEX;
-	adapter->key_api_major_ver = 0;
-	adapter->key_api_minor_ver = 0;
-	eth_broadcast_addr(adapter->perm_addr);
-	adapter->iface_limit.sta_intf = MWIFIEX_MAX_STA_NUM;
-	adapter->iface_limit.uap_intf = MWIFIEX_MAX_UAP_NUM;
-	adapter->iface_limit.p2p_intf = MWIFIEX_MAX_P2P_NUM;
-	adapter->active_scan_triggered = false;
-	setup_timer(&adapter->wakeup_timer, wakeup_timer_fn,
-		    (unsigned long)adapter);
-}
-
-/*
- * This function sets trans_start per tx_queue
- */
-void mwifiex_set_trans_start(struct net_device *dev)
-{
-	int i;
-
-	for (i = 0; i < dev->num_tx_queues; i++)
-		netdev_get_tx_queue(dev, i)->trans_start = jiffies;
-
-	dev->trans_start = jiffies;
-}
-
-/*
- * This function wakes up all queues in net_device
- */
-void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
-					struct mwifiex_adapter *adapter)
-{
-	unsigned long dev_queue_flags;
-	unsigned int i;
-
-	spin_lock_irqsave(&adapter->queue_lock, dev_queue_flags);
-
-	for (i = 0; i < netdev->num_tx_queues; i++) {
-		struct netdev_queue *txq = netdev_get_tx_queue(netdev, i);
-
-		if (netif_tx_queue_stopped(txq))
-			netif_tx_wake_queue(txq);
-	}
-
-	spin_unlock_irqrestore(&adapter->queue_lock, dev_queue_flags);
-}
-
-/*
- * This function stops all queues in net_device
- */
-void mwifiex_stop_net_dev_queue(struct net_device *netdev,
-					struct mwifiex_adapter *adapter)
-{
-	unsigned long dev_queue_flags;
-	unsigned int i;
-
-	spin_lock_irqsave(&adapter->queue_lock, dev_queue_flags);
-
-	for (i = 0; i < netdev->num_tx_queues; i++) {
-		struct netdev_queue *txq = netdev_get_tx_queue(netdev, i);
-
-		if (!netif_tx_queue_stopped(txq))
-			netif_tx_stop_queue(txq);
-	}
-
-	spin_unlock_irqrestore(&adapter->queue_lock, dev_queue_flags);
-}
-
-/*
- *  This function releases the lock variables and frees the locks and
- *  associated locks.
- */
-static void mwifiex_free_lock_list(struct mwifiex_adapter *adapter)
-{
-	struct mwifiex_private *priv;
-	s32 i, j;
-
-	/* Free lists */
-	list_del(&adapter->cmd_free_q);
-	list_del(&adapter->cmd_pending_q);
-	list_del(&adapter->scan_pending_q);
-
-	for (i = 0; i < adapter->priv_num; i++)
-		list_del(&adapter->bss_prio_tbl[i].bss_prio_head);
-
-	for (i = 0; i < adapter->priv_num; i++) {
-		if (adapter->priv[i]) {
-			priv = adapter->priv[i];
-			for (j = 0; j < MAX_NUM_TID; ++j)
-				list_del(&priv->wmm.tid_tbl_ptr[j].ra_list);
-			list_del(&priv->tx_ba_stream_tbl_ptr);
-			list_del(&priv->rx_reorder_tbl_ptr);
-			list_del(&priv->sta_list);
-			list_del(&priv->auto_tdls_list);
-		}
-	}
-}
-
-/*
- * This function performs cleanup for adapter structure.
- *
- * The cleanup is done recursively, by canceling all pending
- * commands, freeing the member buffers previously allocated
- * (command buffers, scan table buffer, sleep confirm command
- * buffer), stopping the timers and calling the cleanup routines
- * for every interface.
- */
-static void
-mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter)
-{
-	int idx;
-
-	if (!adapter) {
-		pr_err("%s: adapter is NULL\n", __func__);
-		return;
-	}
-
-	del_timer(&adapter->wakeup_timer);
-	mwifiex_cancel_all_pending_cmd(adapter);
-	wake_up_interruptible(&adapter->cmd_wait_q.wait);
-	wake_up_interruptible(&adapter->hs_activate_wait_q);
-
-	/* Free lock variables */
-	mwifiex_free_lock_list(adapter);
-
-	/* Free command buffer */
-	mwifiex_dbg(adapter, INFO, "info: free cmd buffer\n");
-	mwifiex_free_cmd_buffer(adapter);
-
-	for (idx = 0; idx < adapter->num_mem_types; idx++) {
-		struct memory_type_mapping *entry =
-				&adapter->mem_type_mapping_tbl[idx];
-
-		if (entry->mem_ptr) {
-			vfree(entry->mem_ptr);
-			entry->mem_ptr = NULL;
-		}
-		entry->mem_size = 0;
-	}
-
-	if (adapter->drv_info_dump) {
-		vfree(adapter->drv_info_dump);
-		adapter->drv_info_dump = NULL;
-		adapter->drv_info_size = 0;
-	}
-
-	if (adapter->sleep_cfm)
-		dev_kfree_skb_any(adapter->sleep_cfm);
-}
-
-/*
- *  This function intializes the lock variables and
- *  the list heads.
- */
-int mwifiex_init_lock_list(struct mwifiex_adapter *adapter)
-{
-	struct mwifiex_private *priv;
-	s32 i, j;
-
-	spin_lock_init(&adapter->mwifiex_lock);
-	spin_lock_init(&adapter->int_lock);
-	spin_lock_init(&adapter->main_proc_lock);
-	spin_lock_init(&adapter->mwifiex_cmd_lock);
-	spin_lock_init(&adapter->queue_lock);
-	for (i = 0; i < adapter->priv_num; i++) {
-		if (adapter->priv[i]) {
-			priv = adapter->priv[i];
-			spin_lock_init(&priv->rx_pkt_lock);
-			spin_lock_init(&priv->wmm.ra_list_spinlock);
-			spin_lock_init(&priv->curr_bcn_buf_lock);
-			spin_lock_init(&priv->sta_list_spinlock);
-			spin_lock_init(&priv->auto_tdls_lock);
-		}
-	}
-
-	/* Initialize cmd_free_q */
-	INIT_LIST_HEAD(&adapter->cmd_free_q);
-	/* Initialize cmd_pending_q */
-	INIT_LIST_HEAD(&adapter->cmd_pending_q);
-	/* Initialize scan_pending_q */
-	INIT_LIST_HEAD(&adapter->scan_pending_q);
-
-	spin_lock_init(&adapter->cmd_free_q_lock);
-	spin_lock_init(&adapter->cmd_pending_q_lock);
-	spin_lock_init(&adapter->scan_pending_q_lock);
-	spin_lock_init(&adapter->rx_proc_lock);
-
-	skb_queue_head_init(&adapter->rx_data_q);
-	skb_queue_head_init(&adapter->tx_data_q);
-
-	for (i = 0; i < adapter->priv_num; ++i) {
-		INIT_LIST_HEAD(&adapter->bss_prio_tbl[i].bss_prio_head);
-		spin_lock_init(&adapter->bss_prio_tbl[i].bss_prio_lock);
-	}
-
-	for (i = 0; i < adapter->priv_num; i++) {
-		if (!adapter->priv[i])
-			continue;
-		priv = adapter->priv[i];
-		for (j = 0; j < MAX_NUM_TID; ++j)
-			INIT_LIST_HEAD(&priv->wmm.tid_tbl_ptr[j].ra_list);
-		INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr);
-		INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr);
-		INIT_LIST_HEAD(&priv->sta_list);
-		INIT_LIST_HEAD(&priv->auto_tdls_list);
-		skb_queue_head_init(&priv->tdls_txq);
-		skb_queue_head_init(&priv->bypass_txq);
-
-		spin_lock_init(&priv->tx_ba_stream_tbl_lock);
-		spin_lock_init(&priv->rx_reorder_tbl_lock);
-
-		spin_lock_init(&priv->ack_status_lock);
-		idr_init(&priv->ack_status_frames);
-	}
-
-	return 0;
-}
-
-/*
- * This function initializes the firmware.
- *
- * The following operations are performed sequentially -
- *      - Allocate adapter structure
- *      - Initialize the adapter structure
- *      - Initialize the private structure
- *      - Add BSS priority tables to the adapter structure
- *      - For each interface, send the init commands to firmware
- *      - Send the first command in command pending queue, if available
- */
-int mwifiex_init_fw(struct mwifiex_adapter *adapter)
-{
-	int ret;
-	struct mwifiex_private *priv;
-	u8 i, first_sta = true;
-	int is_cmd_pend_q_empty;
-	unsigned long flags;
-
-	adapter->hw_status = MWIFIEX_HW_STATUS_INITIALIZING;
-
-	/* Allocate memory for member of adapter structure */
-	ret = mwifiex_allocate_adapter(adapter);
-	if (ret)
-		return -1;
-
-	/* Initialize adapter structure */
-	mwifiex_init_adapter(adapter);
-
-	for (i = 0; i < adapter->priv_num; i++) {
-		if (adapter->priv[i]) {
-			priv = adapter->priv[i];
-
-			/* Initialize private structure */
-			ret = mwifiex_init_priv(priv);
-			if (ret)
-				return -1;
-		}
-	}
-
-	for (i = 0; i < adapter->priv_num; i++) {
-		if (adapter->priv[i]) {
-			ret = mwifiex_sta_init_cmd(adapter->priv[i], first_sta,
-						   true);
-			if (ret == -1)
-				return -1;
-
-			first_sta = false;
-		}
-	}
-
-	spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags);
-	is_cmd_pend_q_empty = list_empty(&adapter->cmd_pending_q);
-	spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags);
-	if (!is_cmd_pend_q_empty) {
-		/* Send the first command in queue and return */
-		if (mwifiex_main_process(adapter) != -1)
-			ret = -EINPROGRESS;
-	} else {
-		adapter->hw_status = MWIFIEX_HW_STATUS_READY;
-	}
-
-	return ret;
-}
-
-/*
- * This function deletes the BSS priority tables.
- *
- * The function traverses through all the allocated BSS priority nodes
- * in every BSS priority table and frees them.
- */
-static void mwifiex_delete_bss_prio_tbl(struct mwifiex_private *priv)
-{
-	int i;
-	struct mwifiex_adapter *adapter = priv->adapter;
-	struct mwifiex_bss_prio_node *bssprio_node, *tmp_node;
-	struct list_head *head;
-	spinlock_t *lock; /* bss priority lock */
-	unsigned long flags;
-
-	for (i = 0; i < adapter->priv_num; ++i) {
-		head = &adapter->bss_prio_tbl[i].bss_prio_head;
-		lock = &adapter->bss_prio_tbl[i].bss_prio_lock;
-		mwifiex_dbg(adapter, INFO,
-			    "info: delete BSS priority table,\t"
-			    "bss_type = %d, bss_num = %d, i = %d,\t"
-			    "head = %p\n",
-			    priv->bss_type, priv->bss_num, i, head);
-
-		{
-			spin_lock_irqsave(lock, flags);
-			if (list_empty(head)) {
-				spin_unlock_irqrestore(lock, flags);
-				continue;
-			}
-			list_for_each_entry_safe(bssprio_node, tmp_node, head,
-						 list) {
-				if (bssprio_node->priv == priv) {
-					mwifiex_dbg(adapter, INFO,
-						    "info: Delete\t"
-						    "node %p, next = %p\n",
-						    bssprio_node, tmp_node);
-					list_del(&bssprio_node->list);
-					kfree(bssprio_node);
-				}
-			}
-			spin_unlock_irqrestore(lock, flags);
-		}
-	}
-}
-
-/*
- * This function frees the private structure, including cleans
- * up the TX and RX queues and frees the BSS priority tables.
- */
-void mwifiex_free_priv(struct mwifiex_private *priv)
-{
-	mwifiex_clean_txrx(priv);
-	mwifiex_delete_bss_prio_tbl(priv);
-	mwifiex_free_curr_bcn(priv);
-}
-
-/*
- * This function is used to shutdown the driver.
- *
- * The following operations are performed sequentially -
- *      - Check if already shut down
- *      - Make sure the main process has stopped
- *      - Clean up the Tx and Rx queues
- *      - Delete BSS priority tables
- *      - Free the adapter
- *      - Notify completion
- */
-int
-mwifiex_shutdown_drv(struct mwifiex_adapter *adapter)
-{
-	int ret = -EINPROGRESS;
-	struct mwifiex_private *priv;
-	s32 i;
-	unsigned long flags;
-	struct sk_buff *skb;
-
-	/* mwifiex already shutdown */
-	if (adapter->hw_status == MWIFIEX_HW_STATUS_NOT_READY)
-		return 0;
-
-	adapter->hw_status = MWIFIEX_HW_STATUS_CLOSING;
-	/* wait for mwifiex_process to complete */
-	if (adapter->mwifiex_processing) {
-		mwifiex_dbg(adapter, WARN,
-			    "main process is still running\n");
-		return ret;
-	}
-
-	/* cancel current command */
-	if (adapter->curr_cmd) {
-		mwifiex_dbg(adapter, WARN,
-			    "curr_cmd is still in processing\n");
-		del_timer_sync(&adapter->cmd_timer);
-		mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
-		adapter->curr_cmd = NULL;
-	}
-
-	/* shut down mwifiex */
-	mwifiex_dbg(adapter, MSG,
-		    "info: shutdown mwifiex...\n");
-
-	/* Clean up Tx/Rx queues and delete BSS priority table */
-	for (i = 0; i < adapter->priv_num; i++) {
-		if (adapter->priv[i]) {
-			priv = adapter->priv[i];
-
-			mwifiex_clean_auto_tdls(priv);
-			mwifiex_abort_cac(priv);
-			mwifiex_clean_txrx(priv);
-			mwifiex_delete_bss_prio_tbl(priv);
-		}
-	}
-
-	atomic_set(&adapter->tx_queued, 0);
-	while ((skb = skb_dequeue(&adapter->tx_data_q)))
-		mwifiex_write_data_complete(adapter, skb, 0, 0);
-
-	spin_lock_irqsave(&adapter->rx_proc_lock, flags);
-
-	while ((skb = skb_dequeue(&adapter->rx_data_q))) {
-		struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb);
-
-		atomic_dec(&adapter->rx_pending);
-		priv = adapter->priv[rx_info->bss_num];
-		if (priv)
-			priv->stats.rx_dropped++;
-
-		dev_kfree_skb_any(skb);
-	}
-
-	spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
-
-	spin_lock(&adapter->mwifiex_lock);
-
-	mwifiex_adapter_cleanup(adapter);
-
-	spin_unlock(&adapter->mwifiex_lock);
-
-	/* Notify completion */
-	ret = mwifiex_shutdown_fw_complete(adapter);
-
-	return ret;
-}
-
-/*
- * This function downloads the firmware to the card.
- *
- * The actual download is preceded by two sanity checks -
- *      - Check if firmware is already running
- *      - Check if the interface is the winner to download the firmware
- *
- * ...and followed by another -
- *      - Check if the firmware is downloaded successfully
- *
- * After download is successfully completed, the host interrupts are enabled.
- */
-int mwifiex_dnld_fw(struct mwifiex_adapter *adapter,
-		    struct mwifiex_fw_image *pmfw)
-{
-	int ret;
-	u32 poll_num = 1;
-
-	if (adapter->if_ops.check_fw_status) {
-		adapter->winner = 0;
-
-		/* check if firmware is already running */
-		ret = adapter->if_ops.check_fw_status(adapter, poll_num);
-		if (!ret) {
-			mwifiex_dbg(adapter, MSG,
-				    "WLAN FW already running! Skip FW dnld\n");
-			return 0;
-		}
-
-		poll_num = MAX_FIRMWARE_POLL_TRIES;
-
-		/* check if we are the winner for downloading FW */
-		if (!adapter->winner) {
-			mwifiex_dbg(adapter, MSG,
-				    "FW already running! Skip FW dnld\n");
-			goto poll_fw;
-		}
-	}
-
-	if (pmfw) {
-		/* Download firmware with helper */
-		ret = adapter->if_ops.prog_fw(adapter, pmfw);
-		if (ret) {
-			mwifiex_dbg(adapter, ERROR,
-				    "prog_fw failed ret=%#x\n", ret);
-			return ret;
-		}
-	}
-
-poll_fw:
-	/* Check if the firmware is downloaded successfully or not */
-	ret = adapter->if_ops.check_fw_status(adapter, poll_num);
-	if (ret)
-		mwifiex_dbg(adapter, ERROR,
-			    "FW failed to be active in time\n");
-
-	return ret;
-}