Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 1636 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
new file mode 100644
index 00000000..2a9a16f9
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -0,0 +1,1636 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
+ *
+ * Portions of this file are derived from the ipw3945 project, as well
+ * as portions of the ieee80211 subsystem header files.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/if_arp.h>
+
+#include <net/mac80211.h>
+
+#include <asm/div64.h>
+
+#include "iwl-eeprom.h"
+#include "iwl-dev.h"
+#include "iwl-core.h"
+#include "iwl-io.h"
+#include "iwl-agn-calib.h"
+#include "iwl-agn.h"
+#include "iwl-shared.h"
+#include "iwl-trans.h"
+#include "iwl-op-mode.h"
+
+/******************************************************************************
+ *
+ * module boiler plate
+ *
+ ******************************************************************************/
+
+/*
+ * module name, copyright, version, etc.
+ */
+#define DRV_DESCRIPTION	"Intel(R) Wireless WiFi Link AGN driver for Linux"
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+#define VD "d"
+#else
+#define VD
+#endif
+
+#define DRV_VERSION     IWLWIFI_VERSION VD
+
+
+MODULE_DESCRIPTION(DRV_DESCRIPTION);
+MODULE_VERSION(DRV_VERSION);
+MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("iwlagn");
+
+void iwl_update_chain_flags(struct iwl_priv *priv)
+{
+	struct iwl_rxon_context *ctx;
+
+	for_each_context(priv, ctx) {
+		iwlagn_set_rxon_chain(priv, ctx);
+		if (ctx->active.rx_chain != ctx->staging.rx_chain)
+			iwlagn_commit_rxon(priv, ctx);
+	}
+}
+
+/* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */
+static void iwl_set_beacon_tim(struct iwl_priv *priv,
+			       struct iwl_tx_beacon_cmd *tx_beacon_cmd,
+			       u8 *beacon, u32 frame_size)
+{
+	u16 tim_idx;
+	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon;
+
+	/*
+	 * The index is relative to frame start but we start looking at the
+	 * variable-length part of the beacon.
+	 */
+	tim_idx = mgmt->u.beacon.variable - beacon;
+
+	/* Parse variable-length elements of beacon to find WLAN_EID_TIM */
+	while ((tim_idx < (frame_size - 2)) &&
+			(beacon[tim_idx] != WLAN_EID_TIM))
+		tim_idx += beacon[tim_idx+1] + 2;
+
+	/* If TIM field was found, set variables */
+	if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) {
+		tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx);
+		tx_beacon_cmd->tim_size = beacon[tim_idx+1];
+	} else
+		IWL_WARN(priv, "Unable to find TIM Element in beacon\n");
+}
+
+int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
+{
+	struct iwl_tx_beacon_cmd *tx_beacon_cmd;
+	struct iwl_host_cmd cmd = {
+		.id = REPLY_TX_BEACON,
+		.flags = CMD_SYNC,
+	};
+	struct ieee80211_tx_info *info;
+	u32 frame_size;
+	u32 rate_flags;
+	u32 rate;
+
+	/*
+	 * We have to set up the TX command, the TX Beacon command, and the
+	 * beacon contents.
+	 */
+
+	lockdep_assert_held(&priv->mutex);
+
+	if (!priv->beacon_ctx) {
+		IWL_ERR(priv, "trying to build beacon w/o beacon context!\n");
+		return 0;
+	}
+
+	if (WARN_ON(!priv->beacon_skb))
+		return -EINVAL;
+
+	/* Allocate beacon command */
+	if (!priv->beacon_cmd)
+		priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL);
+	tx_beacon_cmd = priv->beacon_cmd;
+	if (!tx_beacon_cmd)
+		return -ENOMEM;
+
+	frame_size = priv->beacon_skb->len;
+
+	/* Set up TX command fields */
+	tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
+	tx_beacon_cmd->tx.sta_id = priv->beacon_ctx->bcast_sta_id;
+	tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
+	tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK |
+		TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK;
+
+	/* Set up TX beacon command fields */
+	iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data,
+			   frame_size);
+
+	/* Set up packet rate and flags */
+	info = IEEE80211_SKB_CB(priv->beacon_skb);
+
+	/*
+	 * Let's set up the rate at least somewhat correctly;
+	 * it will currently not actually be used by the uCode,
+	 * it uses the broadcast station's rate instead.
+	 */
+	if (info->control.rates[0].idx < 0 ||
+	    info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
+		rate = 0;
+	else
+		rate = info->control.rates[0].idx;
+
+	priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
+					      hw_params(priv).valid_tx_ant);
+	rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
+
+	/* In mac80211, rates for 5 GHz start at 0 */
+	if (info->band == IEEE80211_BAND_5GHZ)
+		rate += IWL_FIRST_OFDM_RATE;
+	else if (rate >= IWL_FIRST_CCK_RATE && rate <= IWL_LAST_CCK_RATE)
+		rate_flags |= RATE_MCS_CCK_MSK;
+
+	tx_beacon_cmd->tx.rate_n_flags =
+			iwl_hw_set_rate_n_flags(rate, rate_flags);
+
+	/* Submit command */
+	cmd.len[0] = sizeof(*tx_beacon_cmd);
+	cmd.data[0] = tx_beacon_cmd;
+	cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
+	cmd.len[1] = frame_size;
+	cmd.data[1] = priv->beacon_skb->data;
+	cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
+
+	return iwl_dvm_send_cmd(priv, &cmd);
+}
+
+static void iwl_bg_beacon_update(struct work_struct *work)
+{
+	struct iwl_priv *priv =
+		container_of(work, struct iwl_priv, beacon_update);
+	struct sk_buff *beacon;
+
+	mutex_lock(&priv->mutex);
+	if (!priv->beacon_ctx) {
+		IWL_ERR(priv, "updating beacon w/o beacon context!\n");
+		goto out;
+	}
+
+	if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) {
+		/*
+		 * The ucode will send beacon notifications even in
+		 * IBSS mode, but we don't want to process them. But
+		 * we need to defer the type check to here due to
+		 * requiring locking around the beacon_ctx access.
+		 */
+		goto out;
+	}
+
+	/* Pull updated AP beacon from mac80211. will fail if not in AP mode */
+	beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif);
+	if (!beacon) {
+		IWL_ERR(priv, "update beacon failed -- keeping old\n");
+		goto out;
+	}
+
+	/* new beacon skb is allocated every time; dispose previous.*/
+	dev_kfree_skb(priv->beacon_skb);
+
+	priv->beacon_skb = beacon;
+
+	iwlagn_send_beacon_cmd(priv);
+ out:
+	mutex_unlock(&priv->mutex);
+}
+
+static void iwl_bg_bt_runtime_config(struct work_struct *work)
+{
+	struct iwl_priv *priv =
+		container_of(work, struct iwl_priv, bt_runtime_config);
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		return;
+
+	/* dont send host command if rf-kill is on */
+	if (!iwl_is_ready_rf(priv))
+		return;
+	iwlagn_send_advance_bt_config(priv);
+}
+
+static void iwl_bg_bt_full_concurrency(struct work_struct *work)
+{
+	struct iwl_priv *priv =
+		container_of(work, struct iwl_priv, bt_full_concurrency);
+	struct iwl_rxon_context *ctx;
+
+	mutex_lock(&priv->mutex);
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		goto out;
+
+	/* dont send host command if rf-kill is on */
+	if (!iwl_is_ready_rf(priv))
+		goto out;
+
+	IWL_DEBUG_INFO(priv, "BT coex in %s mode\n",
+		       priv->bt_full_concurrent ?
+		       "full concurrency" : "3-wire");
+
+	/*
+	 * LQ & RXON updated cmds must be sent before BT Config cmd
+	 * to avoid 3-wire collisions
+	 */
+	for_each_context(priv, ctx) {
+		iwlagn_set_rxon_chain(priv, ctx);
+		iwlagn_commit_rxon(priv, ctx);
+	}
+
+	iwlagn_send_advance_bt_config(priv);
+out:
+	mutex_unlock(&priv->mutex);
+}
+
+/**
+ * iwl_bg_statistics_periodic - Timer callback to queue statistics
+ *
+ * This callback is provided in order to send a statistics request.
+ *
+ * This timer function is continually reset to execute within
+ * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION
+ * was received.  We need to ensure we receive the statistics in order
+ * to update the temperature used for calibrating the TXPOWER.
+ */
+static void iwl_bg_statistics_periodic(unsigned long data)
+{
+	struct iwl_priv *priv = (struct iwl_priv *)data;
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		return;
+
+	/* dont send host command if rf-kill is on */
+	if (!iwl_is_ready_rf(priv))
+		return;
+
+	iwl_send_statistics_request(priv, CMD_ASYNC, false);
+}
+
+
+static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base,
+					u32 start_idx, u32 num_events,
+					u32 capacity, u32 mode)
+{
+	u32 i;
+	u32 ptr;        /* SRAM byte address of log data */
+	u32 ev, time, data; /* event log data */
+	unsigned long reg_flags;
+
+	if (mode == 0)
+		ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32));
+	else
+		ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32));
+
+	/* Make sure device is powered up for SRAM reads */
+	spin_lock_irqsave(&trans(priv)->reg_lock, reg_flags);
+	if (unlikely(!iwl_grab_nic_access(trans(priv)))) {
+		spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags);
+		return;
+	}
+
+	/* Set starting address; reads will auto-increment */
+	iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, ptr);
+
+	/*
+	 * Refuse to read more than would have fit into the log from
+	 * the current start_idx. This used to happen due to the race
+	 * described below, but now WARN because the code below should
+	 * prevent it from happening here.
+	 */
+	if (WARN_ON(num_events > capacity - start_idx))
+		num_events = capacity - start_idx;
+
+	/*
+	 * "time" is actually "data" for mode 0 (no timestamp).
+	 * place event id # at far right for easier visual parsing.
+	 */
+	for (i = 0; i < num_events; i++) {
+		ev = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
+		time = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
+		if (mode == 0) {
+			trace_iwlwifi_dev_ucode_cont_event(
+					trans(priv)->dev, 0, time, ev);
+		} else {
+			data = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
+			trace_iwlwifi_dev_ucode_cont_event(
+					trans(priv)->dev, time, data, ev);
+		}
+	}
+	/* Allow device to power down */
+	iwl_release_nic_access(trans(priv));
+	spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags);
+}
+
+static void iwl_continuous_event_trace(struct iwl_priv *priv)
+{
+	u32 capacity;   /* event log capacity in # entries */
+	struct {
+		u32 capacity;
+		u32 mode;
+		u32 wrap_counter;
+		u32 write_counter;
+	} __packed read;
+	u32 base;       /* SRAM byte address of event log header */
+	u32 mode;       /* 0 - no timestamp, 1 - timestamp recorded */
+	u32 num_wraps;  /* # times uCode wrapped to top of log */
+	u32 next_entry; /* index of next entry to be written by uCode */
+
+	base = priv->shrd->device_pointers.log_event_table;
+	if (iwlagn_hw_valid_rtc_data_addr(base)) {
+		iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read));
+
+		capacity = read.capacity;
+		mode = read.mode;
+		num_wraps = read.wrap_counter;
+		next_entry = read.write_counter;
+	} else
+		return;
+
+	/*
+	 * Unfortunately, the uCode doesn't use temporary variables.
+	 * Therefore, it can happen that we read next_entry == capacity,
+	 * which really means next_entry == 0.
+	 */
+	if (unlikely(next_entry == capacity))
+		next_entry = 0;
+	/*
+	 * Additionally, the uCode increases the write pointer before
+	 * the wraps counter, so if the write pointer is smaller than
+	 * the old write pointer (wrap occurred) but we read that no
+	 * wrap occurred, we actually read between the next_entry and
+	 * num_wraps update (this does happen in practice!!) -- take
+	 * that into account by increasing num_wraps.
+	 */
+	if (unlikely(next_entry < priv->event_log.next_entry &&
+		     num_wraps == priv->event_log.num_wraps))
+		num_wraps++;
+
+	if (num_wraps == priv->event_log.num_wraps) {
+		iwl_print_cont_event_trace(
+			priv, base, priv->event_log.next_entry,
+			next_entry - priv->event_log.next_entry,
+			capacity, mode);
+
+		priv->event_log.non_wraps_count++;
+	} else {
+		if (num_wraps - priv->event_log.num_wraps > 1)
+			priv->event_log.wraps_more_count++;
+		else
+			priv->event_log.wraps_once_count++;
+
+		trace_iwlwifi_dev_ucode_wrap_event(trans(priv)->dev,
+				num_wraps - priv->event_log.num_wraps,
+				next_entry, priv->event_log.next_entry);
+
+		if (next_entry < priv->event_log.next_entry) {
+			iwl_print_cont_event_trace(
+				priv, base, priv->event_log.next_entry,
+				capacity - priv->event_log.next_entry,
+				capacity, mode);
+
+			iwl_print_cont_event_trace(
+				priv, base, 0, next_entry, capacity, mode);
+		} else {
+			iwl_print_cont_event_trace(
+				priv, base, next_entry,
+				capacity - next_entry,
+				capacity, mode);
+
+			iwl_print_cont_event_trace(
+				priv, base, 0, next_entry, capacity, mode);
+		}
+	}
+
+	priv->event_log.num_wraps = num_wraps;
+	priv->event_log.next_entry = next_entry;
+}
+
+/**
+ * iwl_bg_ucode_trace - Timer callback to log ucode event
+ *
+ * The timer is continually set to execute every
+ * UCODE_TRACE_PERIOD milliseconds after the last timer expired
+ * this function is to perform continuous uCode event logging operation
+ * if enabled
+ */
+static void iwl_bg_ucode_trace(unsigned long data)
+{
+	struct iwl_priv *priv = (struct iwl_priv *)data;
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		return;
+
+	if (priv->event_log.ucode_trace) {
+		iwl_continuous_event_trace(priv);
+		/* Reschedule the timer to occur in UCODE_TRACE_PERIOD */
+		mod_timer(&priv->ucode_trace,
+			 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
+	}
+}
+
+static void iwl_bg_tx_flush(struct work_struct *work)
+{
+	struct iwl_priv *priv =
+		container_of(work, struct iwl_priv, tx_flush);
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		return;
+
+	/* do nothing if rf-kill is on */
+	if (!iwl_is_ready_rf(priv))
+		return;
+
+	IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n");
+	iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
+}
+
+static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
+{
+	int i;
+
+	/*
+	 * The default context is always valid,
+	 * the PAN context depends on uCode.
+	 */
+	priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS);
+	if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN)
+		priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
+
+	for (i = 0; i < NUM_IWL_RXON_CTX; i++)
+		priv->contexts[i].ctxid = i;
+
+	priv->contexts[IWL_RXON_CTX_BSS].always_active = true;
+	priv->contexts[IWL_RXON_CTX_BSS].is_active = true;
+	priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON;
+	priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING;
+	priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC;
+	priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM;
+	priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID;
+	priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY;
+	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
+	priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes =
+		BIT(NL80211_IFTYPE_ADHOC);
+	priv->contexts[IWL_RXON_CTX_BSS].interface_modes =
+		BIT(NL80211_IFTYPE_STATION);
+	priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP;
+	priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS;
+	priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS;
+	priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS;
+
+	priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON;
+	priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd =
+		REPLY_WIPAN_RXON_TIMING;
+	priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd =
+		REPLY_WIPAN_RXON_ASSOC;
+	priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM;
+	priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN;
+	priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY;
+	priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID;
+	priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION;
+	priv->contexts[IWL_RXON_CTX_PAN].interface_modes =
+		BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP);
+
+	if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P)
+		priv->contexts[IWL_RXON_CTX_PAN].interface_modes |=
+			BIT(NL80211_IFTYPE_P2P_CLIENT) |
+			BIT(NL80211_IFTYPE_P2P_GO);
+
+	priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
+	priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
+	priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
+
+	BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
+}
+
+static void iwl_rf_kill_ct_config(struct iwl_priv *priv)
+{
+	struct iwl_ct_kill_config cmd;
+	struct iwl_ct_kill_throttling_config adv_cmd;
+	int ret = 0;
+
+	iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR,
+		    CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
+
+	priv->thermal_throttle.ct_kill_toggle = false;
+
+	if (cfg(priv)->base_params->support_ct_kill_exit) {
+		adv_cmd.critical_temperature_enter =
+			cpu_to_le32(hw_params(priv).ct_kill_threshold);
+		adv_cmd.critical_temperature_exit =
+			cpu_to_le32(hw_params(priv).ct_kill_exit_threshold);
+
+		ret = iwl_dvm_send_cmd_pdu(priv,
+				       REPLY_CT_KILL_CONFIG_CMD,
+				       CMD_SYNC, sizeof(adv_cmd), &adv_cmd);
+		if (ret)
+			IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
+		else
+			IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
+				"succeeded, critical temperature enter is %d,"
+				"exit is %d\n",
+				hw_params(priv).ct_kill_threshold,
+				hw_params(priv).ct_kill_exit_threshold);
+	} else {
+		cmd.critical_temperature_R =
+			cpu_to_le32(hw_params(priv).ct_kill_threshold);
+
+		ret = iwl_dvm_send_cmd_pdu(priv,
+				       REPLY_CT_KILL_CONFIG_CMD,
+				       CMD_SYNC, sizeof(cmd), &cmd);
+		if (ret)
+			IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
+		else
+			IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
+				"succeeded, "
+				"critical temperature is %d\n",
+				hw_params(priv).ct_kill_threshold);
+	}
+}
+
+static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg)
+{
+	struct iwl_calib_cfg_cmd calib_cfg_cmd;
+	struct iwl_host_cmd cmd = {
+		.id = CALIBRATION_CFG_CMD,
+		.len = { sizeof(struct iwl_calib_cfg_cmd), },
+		.data = { &calib_cfg_cmd, },
+	};
+
+	memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
+	calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_RT_CFG_ALL;
+	calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg);
+
+	return iwl_dvm_send_cmd(priv, &cmd);
+}
+
+
+static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
+{
+	struct iwl_tx_ant_config_cmd tx_ant_cmd = {
+	  .valid = cpu_to_le32(valid_tx_ant),
+	};
+
+	if (IWL_UCODE_API(priv->fw->ucode_ver) > 1) {
+		IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant);
+		return iwl_dvm_send_cmd_pdu(priv,
+					TX_ANT_CONFIGURATION_CMD,
+					CMD_SYNC,
+					sizeof(struct iwl_tx_ant_config_cmd),
+					&tx_ant_cmd);
+	} else {
+		IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n");
+		return -EOPNOTSUPP;
+	}
+}
+
+/**
+ * iwl_alive_start - called after REPLY_ALIVE notification received
+ *                   from protocol/runtime uCode (initialization uCode's
+ *                   Alive gets handled by iwl_init_alive_start()).
+ */
+int iwl_alive_start(struct iwl_priv *priv)
+{
+	int ret = 0;
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
+
+	IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
+
+	/* After the ALIVE response, we can send host commands to the uCode */
+	set_bit(STATUS_ALIVE, &priv->status);
+
+	/* Enable watchdog to monitor the driver tx queues */
+	iwl_setup_watchdog(priv);
+
+	if (iwl_is_rfkill(priv))
+		return -ERFKILL;
+
+	if (priv->event_log.ucode_trace) {
+		/* start collecting data now */
+		mod_timer(&priv->ucode_trace, jiffies);
+	}
+
+	/* download priority table before any calibration request */
+	if (cfg(priv)->bt_params &&
+	    cfg(priv)->bt_params->advanced_bt_coexist) {
+		/* Configure Bluetooth device coexistence support */
+		if (cfg(priv)->bt_params->bt_sco_disable)
+			priv->bt_enable_pspoll = false;
+		else
+			priv->bt_enable_pspoll = true;
+
+		priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
+		priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
+		priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
+		iwlagn_send_advance_bt_config(priv);
+		priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS;
+		priv->cur_rssi_ctx = NULL;
+
+		iwl_send_prio_tbl(priv);
+
+		/* FIXME: w/a to force change uCode BT state machine */
+		ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
+					 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
+		if (ret)
+			return ret;
+		ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE,
+					 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
+		if (ret)
+			return ret;
+	} else {
+		/*
+		 * default is 2-wire BT coexexistence support
+		 */
+		iwl_send_bt_config(priv);
+	}
+
+	/*
+	 * Perform runtime calibrations, including DC calibration.
+	 */
+	iwlagn_send_calib_cfg_rt(priv, IWL_CALIB_CFG_DC_IDX);
+
+	ieee80211_wake_queues(priv->hw);
+
+	priv->active_rate = IWL_RATES_MASK;
+
+	/* Configure Tx antenna selection based on H/W config */
+	iwlagn_send_tx_ant_config(priv, hw_params(priv).valid_tx_ant);
+
+	if (iwl_is_associated_ctx(ctx) && !priv->wowlan) {
+		struct iwl_rxon_cmd *active_rxon =
+				(struct iwl_rxon_cmd *)&ctx->active;
+		/* apply any changes in staging */
+		ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
+		active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+	} else {
+		struct iwl_rxon_context *tmp;
+		/* Initialize our rx_config data */
+		for_each_context(priv, tmp)
+			iwl_connection_init_rx_config(priv, tmp);
+
+		iwlagn_set_rxon_chain(priv, ctx);
+	}
+
+	if (!priv->wowlan) {
+		/* WoWLAN ucode will not reply in the same way, skip it */
+		iwl_reset_run_time_calib(priv);
+	}
+
+	set_bit(STATUS_READY, &priv->status);
+
+	/* Configure the adapter for unassociated operation */
+	ret = iwlagn_commit_rxon(priv, ctx);
+	if (ret)
+		return ret;
+
+	/* At this point, the NIC is initialized and operational */
+	iwl_rf_kill_ct_config(priv);
+
+	IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
+
+	return iwl_power_update_mode(priv, true);
+}
+
+/**
+ * iwl_clear_driver_stations - clear knowledge of all stations from driver
+ * @priv: iwl priv struct
+ *
+ * This is called during iwl_down() to make sure that in the case
+ * we're coming there from a hardware restart mac80211 will be
+ * able to reconfigure stations -- if we're getting there in the
+ * normal down flow then the stations will already be cleared.
+ */
+static void iwl_clear_driver_stations(struct iwl_priv *priv)
+{
+	struct iwl_rxon_context *ctx;
+
+	spin_lock_bh(&priv->sta_lock);
+	memset(priv->stations, 0, sizeof(priv->stations));
+	priv->num_stations = 0;
+
+	priv->ucode_key_table = 0;
+
+	for_each_context(priv, ctx) {
+		/*
+		 * Remove all key information that is not stored as part
+		 * of station information since mac80211 may not have had
+		 * a chance to remove all the keys. When device is
+		 * reconfigured by mac80211 after an error all keys will
+		 * be reconfigured.
+		 */
+		memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys));
+		ctx->key_mapping_keys = 0;
+	}
+
+	spin_unlock_bh(&priv->sta_lock);
+}
+
+void iwl_down(struct iwl_priv *priv)
+{
+	int exit_pending;
+
+	IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n");
+
+	lockdep_assert_held(&priv->mutex);
+
+	iwl_scan_cancel_timeout(priv, 200);
+
+	/*
+	 * If active, scanning won't cancel it, so say it expired.
+	 * No race since we hold the mutex here and a new one
+	 * can't come in at this time.
+	 */
+	ieee80211_remain_on_channel_expired(priv->hw);
+
+	exit_pending =
+		test_and_set_bit(STATUS_EXIT_PENDING, &priv->status);
+
+	/* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set
+	 * to prevent rearm timer */
+	del_timer_sync(&priv->watchdog);
+
+	iwl_clear_ucode_stations(priv, NULL);
+	iwl_dealloc_bcast_stations(priv);
+	iwl_clear_driver_stations(priv);
+
+	/* reset BT coex data */
+	priv->bt_status = 0;
+	priv->cur_rssi_ctx = NULL;
+	priv->bt_is_sco = 0;
+	if (cfg(priv)->bt_params)
+		priv->bt_traffic_load =
+			 cfg(priv)->bt_params->bt_init_traffic_load;
+	else
+		priv->bt_traffic_load = 0;
+	priv->bt_full_concurrent = false;
+	priv->bt_ci_compliance = 0;
+
+	/* Wipe out the EXIT_PENDING status bit if we are not actually
+	 * exiting the module */
+	if (!exit_pending)
+		clear_bit(STATUS_EXIT_PENDING, &priv->status);
+
+	if (priv->mac80211_registered)
+		ieee80211_stop_queues(priv->hw);
+
+	priv->ucode_loaded = false;
+	iwl_trans_stop_device(trans(priv));
+
+	/* Clear out all status bits but a few that are stable across reset */
+	priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) <<
+				STATUS_RF_KILL_HW |
+			test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
+				STATUS_GEO_CONFIGURED |
+			test_bit(STATUS_EXIT_PENDING, &priv->status) <<
+				STATUS_EXIT_PENDING;
+	priv->shrd->status &=
+			test_bit(STATUS_FW_ERROR, &priv->shrd->status) <<
+				STATUS_FW_ERROR;
+
+	dev_kfree_skb(priv->beacon_skb);
+	priv->beacon_skb = NULL;
+}
+
+/*****************************************************************************
+ *
+ * Workqueue callbacks
+ *
+ *****************************************************************************/
+
+static void iwl_bg_run_time_calib_work(struct work_struct *work)
+{
+	struct iwl_priv *priv = container_of(work, struct iwl_priv,
+			run_time_calib_work);
+
+	mutex_lock(&priv->mutex);
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
+	    test_bit(STATUS_SCANNING, &priv->status)) {
+		mutex_unlock(&priv->mutex);
+		return;
+	}
+
+	if (priv->start_calib) {
+		iwl_chain_noise_calibration(priv);
+		iwl_sensitivity_calibration(priv);
+	}
+
+	mutex_unlock(&priv->mutex);
+}
+
+void iwlagn_prepare_restart(struct iwl_priv *priv)
+{
+	bool bt_full_concurrent;
+	u8 bt_ci_compliance;
+	u8 bt_load;
+	u8 bt_status;
+	bool bt_is_sco;
+
+	lockdep_assert_held(&priv->mutex);
+
+	priv->is_open = 0;
+
+	/*
+	 * __iwl_down() will clear the BT status variables,
+	 * which is correct, but when we restart we really
+	 * want to keep them so restore them afterwards.
+	 *
+	 * The restart process will later pick them up and
+	 * re-configure the hw when we reconfigure the BT
+	 * command.
+	 */
+	bt_full_concurrent = priv->bt_full_concurrent;
+	bt_ci_compliance = priv->bt_ci_compliance;
+	bt_load = priv->bt_traffic_load;
+	bt_status = priv->bt_status;
+	bt_is_sco = priv->bt_is_sco;
+
+	iwl_down(priv);
+
+	priv->bt_full_concurrent = bt_full_concurrent;
+	priv->bt_ci_compliance = bt_ci_compliance;
+	priv->bt_traffic_load = bt_load;
+	priv->bt_status = bt_status;
+	priv->bt_is_sco = bt_is_sco;
+}
+
+static void iwl_bg_restart(struct work_struct *data)
+{
+	struct iwl_priv *priv = container_of(data, struct iwl_priv, restart);
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		return;
+
+	if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) {
+		mutex_lock(&priv->mutex);
+		iwlagn_prepare_restart(priv);
+		mutex_unlock(&priv->mutex);
+		iwl_cancel_deferred_work(priv);
+		ieee80211_restart_hw(priv->hw);
+	} else {
+		WARN_ON(1);
+	}
+}
+
+
+
+
+void iwlagn_disable_roc(struct iwl_priv *priv)
+{
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
+
+	lockdep_assert_held(&priv->mutex);
+
+	if (!priv->hw_roc_setup)
+		return;
+
+	ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
+	ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+
+	priv->hw_roc_channel = NULL;
+
+	memset(ctx->staging.node_addr, 0, ETH_ALEN);
+
+	iwlagn_commit_rxon(priv, ctx);
+
+	ctx->is_active = false;
+	priv->hw_roc_setup = false;
+}
+
+static void iwlagn_disable_roc_work(struct work_struct *work)
+{
+	struct iwl_priv *priv = container_of(work, struct iwl_priv,
+					     hw_roc_disable_work.work);
+
+	mutex_lock(&priv->mutex);
+	iwlagn_disable_roc(priv);
+	mutex_unlock(&priv->mutex);
+}
+
+/*****************************************************************************
+ *
+ * driver setup and teardown
+ *
+ *****************************************************************************/
+
+static void iwl_setup_deferred_work(struct iwl_priv *priv)
+{
+	priv->workqueue = create_singlethread_workqueue(DRV_NAME);
+
+	INIT_WORK(&priv->restart, iwl_bg_restart);
+	INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
+	INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
+	INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush);
+	INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency);
+	INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config);
+	INIT_DELAYED_WORK(&priv->hw_roc_disable_work,
+			  iwlagn_disable_roc_work);
+
+	iwl_setup_scan_deferred_work(priv);
+
+	if (cfg(priv)->bt_params)
+		iwlagn_bt_setup_deferred_work(priv);
+
+	init_timer(&priv->statistics_periodic);
+	priv->statistics_periodic.data = (unsigned long)priv;
+	priv->statistics_periodic.function = iwl_bg_statistics_periodic;
+
+	init_timer(&priv->ucode_trace);
+	priv->ucode_trace.data = (unsigned long)priv;
+	priv->ucode_trace.function = iwl_bg_ucode_trace;
+
+	init_timer(&priv->watchdog);
+	priv->watchdog.data = (unsigned long)priv;
+	priv->watchdog.function = iwl_bg_watchdog;
+}
+
+void iwl_cancel_deferred_work(struct iwl_priv *priv)
+{
+	if (cfg(priv)->bt_params)
+		iwlagn_bt_cancel_deferred_work(priv);
+
+	cancel_work_sync(&priv->run_time_calib_work);
+	cancel_work_sync(&priv->beacon_update);
+
+	iwl_cancel_scan_deferred_work(priv);
+
+	cancel_work_sync(&priv->bt_full_concurrency);
+	cancel_work_sync(&priv->bt_runtime_config);
+	cancel_delayed_work_sync(&priv->hw_roc_disable_work);
+
+	del_timer_sync(&priv->statistics_periodic);
+	del_timer_sync(&priv->ucode_trace);
+}
+
+static void iwl_init_hw_rates(struct ieee80211_rate *rates)
+{
+	int i;
+
+	for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) {
+		rates[i].bitrate = iwl_rates[i].ieee * 5;
+		rates[i].hw_value = i; /* Rate scaling will work on indexes */
+		rates[i].hw_value_short = i;
+		rates[i].flags = 0;
+		if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) {
+			/*
+			 * If CCK != 1M then set short preamble rate flag.
+			 */
+			rates[i].flags |=
+				(iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ?
+					0 : IEEE80211_RATE_SHORT_PREAMBLE;
+		}
+	}
+}
+
+static int iwl_init_drv(struct iwl_priv *priv)
+{
+	int ret;
+
+	spin_lock_init(&priv->sta_lock);
+
+	mutex_init(&priv->mutex);
+
+	INIT_LIST_HEAD(&priv->calib_results);
+
+	priv->ieee_channels = NULL;
+	priv->ieee_rates = NULL;
+	priv->band = IEEE80211_BAND_2GHZ;
+
+	priv->plcp_delta_threshold =
+		cfg(priv)->base_params->plcp_delta_threshold;
+
+	priv->iw_mode = NL80211_IFTYPE_STATION;
+	priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
+	priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
+	priv->agg_tids_count = 0;
+
+	priv->ucode_owner = IWL_OWNERSHIP_DRIVER;
+
+	/* initialize force reset */
+	priv->force_reset[IWL_RF_RESET].reset_duration =
+		IWL_DELAY_NEXT_FORCE_RF_RESET;
+	priv->force_reset[IWL_FW_RESET].reset_duration =
+		IWL_DELAY_NEXT_FORCE_FW_RELOAD;
+
+	priv->rx_statistics_jiffies = jiffies;
+
+	/* Choose which receivers/antennas to use */
+	iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]);
+
+	iwl_init_scan_params(priv);
+
+	/* init bt coex */
+	if (cfg(priv)->bt_params &&
+	    cfg(priv)->bt_params->advanced_bt_coexist) {
+		priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
+		priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
+		priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
+		priv->bt_on_thresh = BT_ON_THRESHOLD_DEF;
+		priv->bt_duration = BT_DURATION_LIMIT_DEF;
+		priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF;
+	}
+
+	ret = iwl_init_channel_map(priv);
+	if (ret) {
+		IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
+		goto err;
+	}
+
+	ret = iwl_init_geos(priv);
+	if (ret) {
+		IWL_ERR(priv, "initializing geos failed: %d\n", ret);
+		goto err_free_channel_map;
+	}
+	iwl_init_hw_rates(priv->ieee_rates);
+
+	return 0;
+
+err_free_channel_map:
+	iwl_free_channel_map(priv);
+err:
+	return ret;
+}
+
+static void iwl_uninit_drv(struct iwl_priv *priv)
+{
+	iwl_free_geos(priv);
+	iwl_free_channel_map(priv);
+	kfree(priv->scan_cmd);
+	kfree(priv->beacon_cmd);
+	kfree(rcu_dereference_raw(priv->noa_data));
+	iwl_calib_free_results(priv);
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+	kfree(priv->wowlan_sram);
+#endif
+}
+
+/* Size of one Rx buffer in host DRAM */
+#define IWL_RX_BUF_SIZE_4K (4 * 1024)
+#define IWL_RX_BUF_SIZE_8K (8 * 1024)
+
+static void iwl_set_hw_params(struct iwl_priv *priv)
+{
+	if (cfg(priv)->ht_params)
+		hw_params(priv).use_rts_for_aggregation =
+			cfg(priv)->ht_params->use_rts_for_aggregation;
+
+	if (iwlagn_mod_params.amsdu_size_8K)
+		hw_params(priv).rx_page_order =
+			get_order(IWL_RX_BUF_SIZE_8K);
+	else
+		hw_params(priv).rx_page_order =
+			get_order(IWL_RX_BUF_SIZE_4K);
+
+	if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
+		hw_params(priv).sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
+
+	hw_params(priv).num_ampdu_queues =
+		cfg(priv)->base_params->num_of_ampdu_queues;
+	hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout;
+
+	/* Device-specific setup */
+	cfg(priv)->lib->set_hw_params(priv);
+}
+
+
+
+static void iwl_debug_config(struct iwl_priv *priv)
+{
+	dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUG "
+#ifdef CONFIG_IWLWIFI_DEBUG
+		"enabled\n");
+#else
+		"disabled\n");
+#endif
+	dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS "
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+		"enabled\n");
+#else
+		"disabled\n");
+#endif
+	dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING "
+#ifdef CONFIG_IWLWIFI_DEVICE_TRACING
+		"enabled\n");
+#else
+		"disabled\n");
+#endif
+
+	dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE "
+#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
+		"enabled\n");
+#else
+		"disabled\n");
+#endif
+	dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_P2P "
+#ifdef CONFIG_IWLWIFI_P2P
+		"enabled\n");
+#else
+		"disabled\n");
+#endif
+}
+
+static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
+						 const struct iwl_fw *fw)
+{
+	int err = 0;
+	struct iwl_priv *priv;
+	struct ieee80211_hw *hw;
+	struct iwl_op_mode *op_mode;
+	u16 num_mac;
+	u32 ucode_flags;
+	struct iwl_trans_config trans_cfg;
+	static const u8 no_reclaim_cmds[] = {
+		REPLY_RX_PHY_CMD,
+		REPLY_RX,
+		REPLY_RX_MPDU_CMD,
+		REPLY_COMPRESSED_BA,
+		STATISTICS_NOTIFICATION,
+		REPLY_TX,
+	};
+
+	/************************
+	 * 1. Allocating HW data
+	 ************************/
+	hw = iwl_alloc_all();
+	if (!hw) {
+		pr_err("%s: Cannot allocate network device\n",
+				cfg(trans)->name);
+		err = -ENOMEM;
+		goto out;
+	}
+
+	op_mode = hw->priv;
+	op_mode->ops = &iwl_dvm_ops;
+	priv = IWL_OP_MODE_GET_DVM(op_mode);
+	priv->shrd = trans->shrd;
+	priv->fw = fw;
+	/* TODO: remove fw from shared data later */
+	priv->shrd->fw = fw;
+
+	/*
+	 * Populate the state variables that the transport layer needs
+	 * to know about.
+	 */
+	trans_cfg.op_mode = op_mode;
+	trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
+	trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
+
+	ucode_flags = fw->ucode_capa.flags;
+
+#ifndef CONFIG_IWLWIFI_P2P
+	ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
+#endif
+
+	if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) {
+		priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN;
+		trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM;
+	} else {
+		priv->sta_key_max_num = STA_KEY_MAX_NUM;
+		trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
+	}
+
+	/* Configure transport layer */
+	iwl_trans_configure(trans(priv), &trans_cfg);
+
+	/* At this point both hw and priv are allocated. */
+
+	SET_IEEE80211_DEV(priv->hw, trans(priv)->dev);
+
+	/* show what debugging capabilities we have */
+	iwl_debug_config(priv);
+
+	IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n");
+
+	/* is antenna coupling more than 35dB ? */
+	priv->bt_ant_couple_ok =
+		(iwlagn_mod_params.ant_coupling >
+			IWL_BT_ANTENNA_COUPLING_THRESHOLD) ?
+			true : false;
+
+	/* enable/disable bt channel inhibition */
+	priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce;
+	IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n",
+		       (priv->bt_ch_announce) ? "On" : "Off");
+
+	if (iwl_alloc_traffic_mem(priv))
+		IWL_ERR(priv, "Not enough memory to generate traffic log\n");
+
+	/* these spin locks will be used in apm_ops.init and EEPROM access
+	 * we should init now
+	 */
+	spin_lock_init(&trans(priv)->reg_lock);
+	spin_lock_init(&priv->statistics.lock);
+
+	/***********************
+	 * 2. Read REV register
+	 ***********************/
+	IWL_INFO(priv, "Detected %s, REV=0x%X\n",
+		cfg(priv)->name, trans(priv)->hw_rev);
+
+	err = iwl_trans_start_hw(trans(priv));
+	if (err)
+		goto out_free_traffic_mem;
+
+	/*****************
+	 * 3. Read EEPROM
+	 *****************/
+	err = iwl_eeprom_init(trans(priv), trans(priv)->hw_rev);
+	/* Reset chip to save power until we load uCode during "up". */
+	iwl_trans_stop_hw(trans(priv));
+	if (err) {
+		IWL_ERR(priv, "Unable to init EEPROM\n");
+		goto out_free_traffic_mem;
+	}
+	err = iwl_eeprom_check_version(priv);
+	if (err)
+		goto out_free_eeprom;
+
+	err = iwl_eeprom_init_hw_params(priv);
+	if (err)
+		goto out_free_eeprom;
+
+	/* extract MAC Address */
+	iwl_eeprom_get_mac(priv->shrd, priv->addresses[0].addr);
+	IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr);
+	priv->hw->wiphy->addresses = priv->addresses;
+	priv->hw->wiphy->n_addresses = 1;
+	num_mac = iwl_eeprom_query16(priv->shrd, EEPROM_NUM_MAC_ADDRESS);
+	if (num_mac > 1) {
+		memcpy(priv->addresses[1].addr, priv->addresses[0].addr,
+		       ETH_ALEN);
+		priv->addresses[1].addr[5]++;
+		priv->hw->wiphy->n_addresses++;
+	}
+
+	/************************
+	 * 4. Setup HW constants
+	 ************************/
+	iwl_set_hw_params(priv);
+
+	if (!(hw_params(priv).sku & EEPROM_SKU_CAP_IPAN_ENABLE)) {
+		IWL_DEBUG_INFO(priv, "Your EEPROM disabled PAN");
+		ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
+		/*
+		 * if not PAN, then don't support P2P -- might be a uCode
+		 * packaging bug or due to the eeprom check above
+		 */
+		ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P;
+		priv->sta_key_max_num = STA_KEY_MAX_NUM;
+		trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
+
+		/* Configure transport layer again*/
+		iwl_trans_configure(trans(priv), &trans_cfg);
+	}
+
+	/*******************
+	 * 5. Setup priv
+	 *******************/
+
+	err = iwl_init_drv(priv);
+	if (err)
+		goto out_free_eeprom;
+	/* At this point both hw and priv are initialized. */
+
+	/********************
+	 * 6. Setup services
+	 ********************/
+	iwl_setup_deferred_work(priv);
+	iwl_setup_rx_handlers(priv);
+	iwl_testmode_init(priv);
+
+	iwl_power_initialize(priv);
+	iwl_tt_initialize(priv);
+
+	snprintf(priv->hw->wiphy->fw_version,
+		 sizeof(priv->hw->wiphy->fw_version),
+		 "%s", fw->fw_version);
+
+	priv->new_scan_threshold_behaviour =
+		!!(ucode_flags & IWL_UCODE_TLV_FLAGS_NEWSCAN);
+
+	priv->phy_calib_chain_noise_reset_cmd =
+		fw->ucode_capa.standard_phy_calibration_size;
+	priv->phy_calib_chain_noise_gain_cmd =
+		fw->ucode_capa.standard_phy_calibration_size + 1;
+
+	/* initialize all valid contexts */
+	iwl_init_context(priv, ucode_flags);
+
+	/**************************************************
+	 * This is still part of probe() in a sense...
+	 *
+	 * 7. Setup and register with mac80211 and debugfs
+	 **************************************************/
+	err = iwlagn_mac_setup_register(priv, &fw->ucode_capa);
+	if (err)
+		goto out_destroy_workqueue;
+
+	err = iwl_dbgfs_register(priv, DRV_NAME);
+	if (err)
+		IWL_ERR(priv,
+			"failed to create debugfs files. Ignoring error: %d\n",
+			err);
+
+	return op_mode;
+
+out_destroy_workqueue:
+	destroy_workqueue(priv->workqueue);
+	priv->workqueue = NULL;
+	iwl_uninit_drv(priv);
+out_free_eeprom:
+	iwl_eeprom_free(priv->shrd);
+out_free_traffic_mem:
+	iwl_free_traffic_mem(priv);
+	ieee80211_free_hw(priv->hw);
+out:
+	op_mode = NULL;
+	return op_mode;
+}
+
+static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode)
+{
+	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+
+	IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n");
+
+	iwl_dbgfs_unregister(priv);
+
+	iwl_testmode_cleanup(priv);
+	iwlagn_mac_unregister(priv);
+
+	iwl_tt_exit(priv);
+
+	/*This will stop the queues, move the device to low power state */
+	priv->ucode_loaded = false;
+	iwl_trans_stop_device(trans(priv));
+
+	iwl_eeprom_free(priv->shrd);
+
+	/*netif_stop_queue(dev); */
+	flush_workqueue(priv->workqueue);
+
+	/* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes
+	 * priv->workqueue... so we can't take down the workqueue
+	 * until now... */
+	destroy_workqueue(priv->workqueue);
+	priv->workqueue = NULL;
+	iwl_free_traffic_mem(priv);
+
+	iwl_uninit_drv(priv);
+
+	dev_kfree_skb(priv->beacon_skb);
+
+	ieee80211_free_hw(priv->hw);
+}
+
+static void iwl_cmd_queue_full(struct iwl_op_mode *op_mode)
+{
+	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+
+	if (!iwl_check_for_ct_kill(priv)) {
+		IWL_ERR(priv, "Restarting adapter queue is full\n");
+		iwl_nic_error(op_mode);
+	}
+}
+
+static void iwl_nic_config(struct iwl_op_mode *op_mode)
+{
+	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+
+	cfg(priv)->lib->nic_config(priv);
+}
+
+static void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac)
+{
+	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+
+	set_bit(ac, &priv->transport_queue_stop);
+	ieee80211_stop_queue(priv->hw, ac);
+}
+
+static void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, u8 ac)
+{
+	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+
+	clear_bit(ac, &priv->transport_queue_stop);
+
+	if (!priv->passive_no_rx)
+		ieee80211_wake_queue(priv->hw, ac);
+}
+
+void iwlagn_lift_passive_no_rx(struct iwl_priv *priv)
+{
+	int ac;
+
+	if (!priv->passive_no_rx)
+		return;
+
+	for (ac = IEEE80211_AC_VO; ac < IEEE80211_NUM_ACS; ac++) {
+		if (!test_bit(ac, &priv->transport_queue_stop)) {
+			IWL_DEBUG_TX_QUEUES(priv, "Wake queue %d");
+			ieee80211_wake_queue(priv->hw, ac);
+		} else {
+			IWL_DEBUG_TX_QUEUES(priv, "Don't wake queue %d");
+		}
+	}
+
+	priv->passive_no_rx = false;
+}
+
+const struct iwl_op_mode_ops iwl_dvm_ops = {
+	.start = iwl_op_mode_dvm_start,
+	.stop = iwl_op_mode_dvm_stop,
+	.rx = iwl_rx_dispatch,
+	.queue_full = iwl_stop_sw_queue,
+	.queue_not_full = iwl_wake_sw_queue,
+	.hw_rf_kill = iwl_set_hw_rfkill_state,
+	.free_skb = iwl_free_skb,
+	.nic_error = iwl_nic_error,
+	.cmd_queue_full = iwl_cmd_queue_full,
+	.nic_config = iwl_nic_config,
+};
+
+/*****************************************************************************
+ *
+ * driver and module entry point
+ *
+ *****************************************************************************/
+
+struct kmem_cache *iwl_tx_cmd_pool;
+
+static int __init iwl_init(void)
+{
+
+	int ret;
+	pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
+	pr_info(DRV_COPYRIGHT "\n");
+
+	iwl_tx_cmd_pool = kmem_cache_create("iwl_dev_cmd",
+					    sizeof(struct iwl_device_cmd),
+					    sizeof(void *), 0, NULL);
+	if (!iwl_tx_cmd_pool)
+		return -ENOMEM;
+
+	ret = iwlagn_rate_control_register();
+	if (ret) {
+		pr_err("Unable to register rate control algorithm: %d\n", ret);
+		goto error_rc_register;
+	}
+
+	ret = iwl_pci_register_driver();
+	if (ret)
+		goto error_pci_register;
+	return ret;
+
+error_pci_register:
+	iwlagn_rate_control_unregister();
+error_rc_register:
+	kmem_cache_destroy(iwl_tx_cmd_pool);
+	return ret;
+}
+
+static void __exit iwl_exit(void)
+{
+	iwl_pci_unregister_driver();
+	iwlagn_rate_control_unregister();
+	kmem_cache_destroy(iwl_tx_cmd_pool);
+}
+
+module_exit(iwl_exit);
+module_init(iwl_init);
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+module_param_named(debug, iwlagn_mod_params.debug_level, uint,
+		   S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "debug output mask");
+#endif
+
+module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO);
+MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
+module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO);
+MODULE_PARM_DESC(11n_disable,
+	"disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
+module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K,
+		   int, S_IRUGO);
+MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
+module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO);
+MODULE_PARM_DESC(fw_restart, "restart firmware in case of error");
+
+module_param_named(ucode_alternative,
+		   iwlagn_mod_params.wanted_ucode_alternative,
+		   int, S_IRUGO);
+MODULE_PARM_DESC(ucode_alternative,
+		 "specify ucode alternative to use from ucode file");
+
+module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling,
+		   int, S_IRUGO);
+MODULE_PARM_DESC(antenna_coupling,
+		 "specify antenna coupling in dB (defualt: 0 dB)");
+
+module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce,
+		   bool, S_IRUGO);
+MODULE_PARM_DESC(bt_ch_inhibition,
+		 "Enable BT channel inhibition (default: enable)");
+
+module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO);
+MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
+
+module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
+MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
+
+module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO);
+MODULE_PARM_DESC(wd_disable,
+		"Disable stuck queue watchdog timer 0=system default, "
+		"1=disable, 2=enable (default: 0)");
+
+/*
+ * set bt_coex_active to true, uCode will do kill/defer
+ * every time the priority line is asserted (BT is sending signals on the
+ * priority line in the PCIx).
+ * set bt_coex_active to false, uCode will ignore the BT activity and
+ * perform the normal operation
+ *
+ * User might experience transmit issue on some platform due to WiFi/BT
+ * co-exist problem. The possible behaviors are:
+ *   Able to scan and finding all the available AP
+ *   Not able to associate with any AP
+ * On those platforms, WiFi communication can be restored by set
+ * "bt_coex_active" module parameter to "false"
+ *
+ * default: bt_coex_active = true (BT_COEX_ENABLE)
+ */
+module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active,
+		bool, S_IRUGO);
+MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
+
+module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO);
+MODULE_PARM_DESC(led_mode, "0=system default, "
+		"1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
+
+module_param_named(power_save, iwlagn_mod_params.power_save,
+		bool, S_IRUGO);
+MODULE_PARM_DESC(power_save,
+		 "enable WiFi power management (default: disable)");
+
+module_param_named(power_level, iwlagn_mod_params.power_level,
+		int, S_IRUGO);
+MODULE_PARM_DESC(power_level,
+		 "default power save level (range from 1 - 5, default: 1)");
+
+module_param_named(auto_agg, iwlagn_mod_params.auto_agg,
+		bool, S_IRUGO);
+MODULE_PARM_DESC(auto_agg,
+		 "enable agg w/o check traffic load (default: enable)");
+
+/*
+ * For now, keep using power level 1 instead of automatically
+ * adjusting ...
+ */
+module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust,
+		bool, S_IRUGO);
+MODULE_PARM_DESC(no_sleep_autoadjust,
+		 "don't automatically adjust sleep level "
+		 "according to maximum network latency (default: true)");