/******************************************************************************
   *
   * This file is provided under a dual BSD/GPLv2 license.  When using or
   * redistributing this file, you may do so under either license.
   *
   * GPL LICENSE SUMMARY
   *
   * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
   *
   * 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 COPYING.
   *
   * Contact Information:
   *  Intel Linux Wireless <ilw@linux.intel.com>
   * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
   *
   * BSD LICENSE
   *
   * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
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   * are met:
   *
   *  * Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *  * Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *  * Neither the name Intel Corporation nor the names of its
   *    contributors may be used to endorse or promote products derived
   *    from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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   *****************************************************************************/
  
  #ifndef __IWL_MVM_H__
  #define __IWL_MVM_H__
  
  #include <linux/list.h>
  #include <linux/spinlock.h>
  #include <linux/leds.h>
  #include <linux/in6.h>
  
  #include "iwl-op-mode.h"
  #include "iwl-trans.h"
  #include "iwl-notif-wait.h"
  #include "iwl-eeprom-parse.h"
  #include "iwl-fw-file.h"
  #include "iwl-config.h"
  #include "sta.h"
  #include "fw-api.h"
  #include "constants.h"
  #include "tof.h"
  
  #define IWL_MVM_MAX_ADDRESSES		5
  /* RSSI offset for WkP */
  #define IWL_RSSI_OFFSET 50
  #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  /* A TimeUnit is 1024 microsecond */
  #define MSEC_TO_TU(_msec)	(_msec*1000/1024)
  
  /* For GO, this value represents the number of TUs before CSA "beacon
   * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
   * must be big enough to ensure that we switch in time.
   */
  #define IWL_MVM_CHANNEL_SWITCH_TIME_GO		40
  
  /* For client, this value represents the number of TUs before CSA
   * "beacon 1" TBTT, instead.  This is because we don't know when the
   * GO/AP will be in the new channel, so we switch early enough.
   */
  #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT	10
  
  /*
   * This value (in TUs) is used to fine tune the CSA NoA end time which should
   * be just before "beacon 0" TBTT.
   */
  #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
  
  /*
   * Number of beacons to transmit on a new channel until we unblock tx to
   * the stations, even if we didn't identify them on a new channel
   */
  #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
  
  extern const struct ieee80211_ops iwl_mvm_hw_ops;
  
  /**
   * struct iwl_mvm_mod_params - module parameters for iwlmvm
   * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
   *	We will register to mac80211 to have testmode working. The NIC must not
   *	be up'ed after the INIT fw asserted. This is useful to be able to use
   *	proprietary tools over testmode to debug the INIT fw.
   * @tfd_q_hang_detect: enabled the detection of hung transmit queues
   * @power_scheme: one of enum iwl_power_scheme
   */
  struct iwl_mvm_mod_params {
  	bool init_dbg;
  	bool tfd_q_hang_detect;
  	int power_scheme;
  };
  extern struct iwl_mvm_mod_params iwlmvm_mod_params;
  
  /**
   * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
   *
   * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
   * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
   *	transport's data.
   * @trans_len: length of the valid data in trans_ptr
   * @op_mode_len: length of the valid data in op_mode_ptr
   */
  struct iwl_mvm_dump_ptrs {
  	struct iwl_trans_dump_data *trans_ptr;
  	void *op_mode_ptr;
  	u32 op_mode_len;
  };
  
  /**
   * struct iwl_mvm_dump_desc - describes the dump
   * @len: length of trig_desc->data
   * @trig_desc: the description of the dump
   */
  struct iwl_mvm_dump_desc {
  	size_t len;
  	/* must be last */
  	struct iwl_fw_error_dump_trigger_desc trig_desc;
  };
  
  extern struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
  
  struct iwl_mvm_phy_ctxt {
  	u16 id;
  	u16 color;
  	u32 ref;
  
  	/*
  	 * TODO: This should probably be removed. Currently here only for rate
  	 * scaling algorithm
  	 */
  	struct ieee80211_channel *channel;
  };
  
  struct iwl_mvm_time_event_data {
  	struct ieee80211_vif *vif;
  	struct list_head list;
  	unsigned long end_jiffies;
  	u32 duration;
  	bool running;
  	u32 uid;
  
  	/*
  	 * The access to the 'id' field must be done when the
  	 * mvm->time_event_lock is held, as it value is used to indicate
  	 * if the te is in the time event list or not (when id == TE_MAX)
  	 */
  	u32 id;
  };
  
   /* Power management */
  
  /**
   * enum iwl_power_scheme
   * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
   * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
   * @IWL_POWER_LEVEL_LP  - Low Power
   */
  enum iwl_power_scheme {
  	IWL_POWER_SCHEME_CAM = 1,
  	IWL_POWER_SCHEME_BPS,
  	IWL_POWER_SCHEME_LP
  };
  
  #define IWL_CONN_MAX_LISTEN_INTERVAL	10
  #define IWL_UAPSD_MAX_SP		IEEE80211_WMM_IE_STA_QOSINFO_SP_2
  
  #ifdef CONFIG_IWLWIFI_DEBUGFS
  enum iwl_dbgfs_pm_mask {
  	MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
  	MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
  	MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
  	MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
  	MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
  	MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
  	MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
  	MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
  	MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
  	MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
  };
  
  struct iwl_dbgfs_pm {
  	u16 keep_alive_seconds;
  	u32 rx_data_timeout;
  	u32 tx_data_timeout;
  	bool skip_over_dtim;
  	u8 skip_dtim_periods;
  	bool lprx_ena;
  	u32 lprx_rssi_threshold;
  	bool snooze_ena;
  	bool uapsd_misbehaving;
  	bool use_ps_poll;
  	int mask;
  };
  
  /* beacon filtering */
  
  enum iwl_dbgfs_bf_mask {
  	MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
  	MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
  	MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
  	MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
  	MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
  	MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
  	MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
  	MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
  	MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
  	MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
  	MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
  };
  
  struct iwl_dbgfs_bf {
  	u32 bf_energy_delta;
  	u32 bf_roaming_energy_delta;
  	u32 bf_roaming_state;
  	u32 bf_temp_threshold;
  	u32 bf_temp_fast_filter;
  	u32 bf_temp_slow_filter;
  	u32 bf_enable_beacon_filter;
  	u32 bf_debug_flag;
  	u32 bf_escape_timer;
  	u32 ba_escape_timer;
  	u32 ba_enable_beacon_abort;
  	int mask;
  };
  #endif
  
  enum iwl_mvm_smps_type_request {
  	IWL_MVM_SMPS_REQ_BT_COEX,
  	IWL_MVM_SMPS_REQ_TT,
  	IWL_MVM_SMPS_REQ_PROT,
  	NUM_IWL_MVM_SMPS_REQ,
  };
  
  enum iwl_mvm_ref_type {
  	IWL_MVM_REF_UCODE_DOWN,
  	IWL_MVM_REF_SCAN,
  	IWL_MVM_REF_ROC,
  	IWL_MVM_REF_ROC_AUX,
  	IWL_MVM_REF_P2P_CLIENT,
  	IWL_MVM_REF_AP_IBSS,
  	IWL_MVM_REF_USER,
  	IWL_MVM_REF_TX,
  	IWL_MVM_REF_TX_AGG,
  	IWL_MVM_REF_ADD_IF,
  	IWL_MVM_REF_START_AP,
  	IWL_MVM_REF_BSS_CHANGED,
  	IWL_MVM_REF_PREPARE_TX,
  	IWL_MVM_REF_PROTECT_TDLS,
  	IWL_MVM_REF_CHECK_CTKILL,
  	IWL_MVM_REF_PRPH_READ,
  	IWL_MVM_REF_PRPH_WRITE,
  	IWL_MVM_REF_NMI,
  	IWL_MVM_REF_TM_CMD,
  	IWL_MVM_REF_EXIT_WORK,
  	IWL_MVM_REF_PROTECT_CSA,
  	IWL_MVM_REF_FW_DBG_COLLECT,
  
  	/* update debugfs.c when changing this */
  
  	IWL_MVM_REF_COUNT,
  };
  
  enum iwl_bt_force_ant_mode {
  	BT_FORCE_ANT_DIS = 0,
  	BT_FORCE_ANT_AUTO,
  	BT_FORCE_ANT_BT,
  	BT_FORCE_ANT_WIFI,
  
  	BT_FORCE_ANT_MAX,
  };
  
  /**
  * struct iwl_mvm_vif_bf_data - beacon filtering related data
  * @bf_enabled: indicates if beacon filtering is enabled
  * @ba_enabled: indicated if beacon abort is enabled
  * @ave_beacon_signal: average beacon signal
  * @last_cqm_event: rssi of the last cqm event
  * @bt_coex_min_thold: minimum threshold for BT coex
  * @bt_coex_max_thold: maximum threshold for BT coex
  * @last_bt_coex_event: rssi of the last BT coex event
  */
  struct iwl_mvm_vif_bf_data {
  	bool bf_enabled;
  	bool ba_enabled;
  	int ave_beacon_signal;
  	int last_cqm_event;
  	int bt_coex_min_thold;
  	int bt_coex_max_thold;
  	int last_bt_coex_event;
  };
  
  /**
   * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
   * @id: between 0 and 3
   * @color: to solve races upon MAC addition and removal
   * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
   * @bssid: BSSID for this (client) interface
   * @associated: indicates that we're currently associated, used only for
   *	managing the firmware state in iwl_mvm_bss_info_changed_station()
   * @ap_assoc_sta_count: count of stations associated to us - valid only
   *	if VIF type is AP
   * @uploaded: indicates the MAC context has been added to the device
   * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
   *	should get quota etc.
   * @pm_enabled - Indicate if MAC power management is allowed
   * @monitor_active: indicates that monitor context is configured, and that the
   *	interface should get quota etc.
   * @low_latency: indicates that this interface is in low-latency mode
   *	(VMACLowLatencyMode)
   * @ps_disabled: indicates that this interface requires PS to be disabled
   * @queue_params: QoS params for this MAC
   * @bcast_sta: station used for broadcast packets. Used by the following
   *  vifs: P2P_DEVICE, GO and AP.
   * @beacon_skb: the skb used to hold the AP/GO beacon template
   * @smps_requests: the SMPS requests of different parts of the driver,
   *	combined on update to yield the overall request to mac80211.
   * @beacon_stats: beacon statistics, containing the # of received beacons,
   *	# of received beacons accumulated over FW restart, and the current
   *	average signal of beacons retrieved from the firmware
   * @csa_failed: CSA failed to schedule time event, report an error later
   * @features: hw features active for this vif
   */
  struct iwl_mvm_vif {
  	struct iwl_mvm *mvm;
  	u16 id;
  	u16 color;
  	u8 ap_sta_id;
  
  	u8 bssid[ETH_ALEN];
  	bool associated;
  	u8 ap_assoc_sta_count;
  
  	bool uploaded;
  	bool ap_ibss_active;
  	bool pm_enabled;
  	bool monitor_active;
  	bool low_latency;
  	bool ps_disabled;
  	struct iwl_mvm_vif_bf_data bf_data;
  
  	struct {
  		u32 num_beacons, accu_num_beacons;
  		u8 avg_signal;
  	} beacon_stats;
  
  	u32 ap_beacon_time;
  
  	enum iwl_tsf_id tsf_id;
  
  	/*
  	 * QoS data from mac80211, need to store this here
  	 * as mac80211 has a separate callback but we need
  	 * to have the data for the MAC context
  	 */
  	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
  	struct iwl_mvm_time_event_data time_event_data;
  	struct iwl_mvm_time_event_data hs_time_event_data;
  
  	struct iwl_mvm_int_sta bcast_sta;
  
  	/*
  	 * Assigned while mac80211 has the interface in a channel context,
  	 * or, for P2P Device, while it exists.
  	 */
  	struct iwl_mvm_phy_ctxt *phy_ctxt;
  
  #ifdef CONFIG_PM_SLEEP
  	/* WoWLAN GTK rekey data */
  	struct {
  		u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
  		__le64 replay_ctr;
  		bool valid;
  	} rekey_data;
  
  	int tx_key_idx;
  
  	bool seqno_valid;
  	u16 seqno;
  #endif
  
  #if IS_ENABLED(CONFIG_IPV6)
  	/* IPv6 addresses for WoWLAN */
  	struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
  	int num_target_ipv6_addrs;
  #endif
  
  #ifdef CONFIG_IWLWIFI_DEBUGFS
  	struct dentry *dbgfs_dir;
  	struct dentry *dbgfs_slink;
  	struct iwl_dbgfs_pm dbgfs_pm;
  	struct iwl_dbgfs_bf dbgfs_bf;
  	struct iwl_mac_power_cmd mac_pwr_cmd;
  #endif
  
  	enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
  
  	/* FW identified misbehaving AP */
  	u8 uapsd_misbehaving_bssid[ETH_ALEN];
  
  	/* Indicates that CSA countdown may be started */
  	bool csa_countdown;
  	bool csa_failed;
  
  	/* TCP Checksum Offload */
  	netdev_features_t features;
  };
  
  static inline struct iwl_mvm_vif *
  iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
  {
  	return (void *)vif->drv_priv;
  }
  
  extern const u8 tid_to_mac80211_ac[];
  
  #define IWL_MVM_SCAN_STOPPING_SHIFT	8
  
  enum iwl_scan_status {
  	IWL_MVM_SCAN_REGULAR		= BIT(0),
  	IWL_MVM_SCAN_SCHED		= BIT(1),
  	IWL_MVM_SCAN_NETDETECT		= BIT(2),
  
  	IWL_MVM_SCAN_STOPPING_REGULAR	= BIT(8),
  	IWL_MVM_SCAN_STOPPING_SCHED	= BIT(9),
  	IWL_MVM_SCAN_STOPPING_NETDETECT	= BIT(10),
  
  	IWL_MVM_SCAN_REGULAR_MASK	= IWL_MVM_SCAN_REGULAR |
  					  IWL_MVM_SCAN_STOPPING_REGULAR,
  	IWL_MVM_SCAN_SCHED_MASK		= IWL_MVM_SCAN_SCHED |
  					  IWL_MVM_SCAN_STOPPING_SCHED,
  	IWL_MVM_SCAN_NETDETECT_MASK	= IWL_MVM_SCAN_NETDETECT |
  					  IWL_MVM_SCAN_STOPPING_NETDETECT,
  
  	IWL_MVM_SCAN_STOPPING_MASK	= 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
  	IWL_MVM_SCAN_MASK		= 0xff,
  };
  
  /**
   * struct iwl_nvm_section - describes an NVM section in memory.
   *
   * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
   * and saved for later use by the driver. Not all NVM sections are saved
   * this way, only the needed ones.
   */
  struct iwl_nvm_section {
  	u16 length;
  	const u8 *data;
  };
  
  /**
   * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
   * @ct_kill_exit: worker to exit thermal kill
   * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
   * @tx_backoff: The current thremal throttling tx backoff in uSec.
   * @min_backoff: The minimal tx backoff due to power restrictions
   * @params: Parameters to configure the thermal throttling algorithm.
   * @throttle: Is thermal throttling is active?
   */
  struct iwl_mvm_tt_mgmt {
  	struct delayed_work ct_kill_exit;
  	bool dynamic_smps;
  	u32 tx_backoff;
  	u32 min_backoff;
  	struct iwl_tt_params params;
  	bool throttle;
  };
  
  #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
  
  struct iwl_mvm_frame_stats {
  	u32 legacy_frames;
  	u32 ht_frames;
  	u32 vht_frames;
  	u32 bw_20_frames;
  	u32 bw_40_frames;
  	u32 bw_80_frames;
  	u32 bw_160_frames;
  	u32 sgi_frames;
  	u32 ngi_frames;
  	u32 siso_frames;
  	u32 mimo2_frames;
  	u32 agg_frames;
  	u32 ampdu_count;
  	u32 success_frames;
  	u32 fail_frames;
  	u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
  	int last_frame_idx;
  };
  
  enum {
  	D0I3_DEFER_WAKEUP,
  	D0I3_PENDING_WAKEUP,
  };
  
  #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
  #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
  #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
  
  enum iwl_mvm_tdls_cs_state {
  	IWL_MVM_TDLS_SW_IDLE = 0,
  	IWL_MVM_TDLS_SW_REQ_SENT,
  	IWL_MVM_TDLS_SW_RESP_RCVD,
  	IWL_MVM_TDLS_SW_REQ_RCVD,
  	IWL_MVM_TDLS_SW_ACTIVE,
  };
  
  struct iwl_mvm_shared_mem_cfg {
  	u32 shared_mem_addr;
  	u32 shared_mem_size;
  	u32 sample_buff_addr;
  	u32 sample_buff_size;
  	u32 txfifo_addr;
  	u32 txfifo_size[TX_FIFO_MAX_NUM];
  	u32 rxfifo_size[RX_FIFO_MAX_NUM];
  	u32 page_buff_addr;
  	u32 page_buff_size;
  };
  
  struct iwl_mvm {
  	/* for logger access */
  	struct device *dev;
  
  	struct iwl_trans *trans;
  	const struct iwl_fw *fw;
  	const struct iwl_cfg *cfg;
  	struct iwl_phy_db *phy_db;
  	struct ieee80211_hw *hw;
  
  	/* for protecting access to iwl_mvm */
  	struct mutex mutex;
  	struct list_head async_handlers_list;
  	spinlock_t async_handlers_lock;
  	struct work_struct async_handlers_wk;
  
  	struct work_struct roc_done_wk;
  
  	unsigned long status;
  
  	/*
  	 * for beacon filtering -
  	 * currently only one interface can be supported
  	 */
  	struct iwl_mvm_vif *bf_allowed_vif;
  
  	enum iwl_ucode_type cur_ucode;
  	bool ucode_loaded;
  	bool calibrating;
  	u32 error_event_table;
  	u32 log_event_table;
  	u32 umac_error_event_table;
  	bool support_umac_log;
  	struct iwl_sf_region sf_space;
  
  	u32 ampdu_ref;
  
  	struct iwl_notif_wait_data notif_wait;
  
  	struct mvm_statistics_rx rx_stats;
  
  	struct {
  		u64 rx_time;
  		u64 tx_time;
  		u64 on_time_rf;
  		u64 on_time_scan;
  	} radio_stats, accu_radio_stats;
  
  	struct {
  		/* Map to HW queue */
  		u32 hw_queue_to_mac80211;
  		u8 hw_queue_refcount;
  		bool setup_reserved;
  		u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
  	} queue_info[IWL_MAX_HW_QUEUES];
  	spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
  	atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
  
  	const char *nvm_file_name;
  	struct iwl_nvm_data *nvm_data;
  	/* NVM sections */
  	struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
  
  	/* Paging section */
  	struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
  	u16 num_of_paging_blk;
  	u16 num_of_pages_in_last_blk;
  
  	/* EEPROM MAC addresses */
  	struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
  
  	/* data related to data path */
  	struct iwl_rx_phy_info last_phy_info;
  	struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
  	struct work_struct sta_drained_wk;
  	unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
  	atomic_t pending_frames[IWL_MVM_STATION_COUNT];
  	u32 tfd_drained[IWL_MVM_STATION_COUNT];
  	u8 rx_ba_sessions;
  
  	/* configured by mac80211 */
  	u32 rts_threshold;
  
  	/* Scan status, cmd (pre-allocated) and auxiliary station */
  	unsigned int scan_status;
  	void *scan_cmd;
  	struct iwl_mcast_filter_cmd *mcast_filter_cmd;
  
  	/* max number of simultaneous scans the FW supports */
  	unsigned int max_scans;
  
  	/* UMAC scan tracking */
  	u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
  
  	/* rx chain antennas set through debugfs for the scan command */
  	u8 scan_rx_ant;
  
  #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
  	/* broadcast filters to configure for each associated station */
  	const struct iwl_fw_bcast_filter *bcast_filters;
  #ifdef CONFIG_IWLWIFI_DEBUGFS
  	struct {
  		bool override;
  		struct iwl_bcast_filter_cmd cmd;
  	} dbgfs_bcast_filtering;
  #endif
  #endif
  
  	/* Internal station */
  	struct iwl_mvm_int_sta aux_sta;
  
  	bool last_ebs_successful;
  
  	u8 scan_last_antenna_idx; /* to toggle TX between antennas */
  	u8 mgmt_last_antenna_idx;
  
  	/* last smart fifo state that was successfully sent to firmware */
  	enum iwl_sf_state sf_state;
  
  #ifdef CONFIG_IWLWIFI_DEBUGFS
  	struct dentry *debugfs_dir;
  	u32 dbgfs_sram_offset, dbgfs_sram_len;
  	u32 dbgfs_prph_reg_addr;
  	bool disable_power_off;
  	bool disable_power_off_d3;
  
  	bool scan_iter_notif_enabled;
  
  	struct debugfs_blob_wrapper nvm_hw_blob;
  	struct debugfs_blob_wrapper nvm_sw_blob;
  	struct debugfs_blob_wrapper nvm_calib_blob;
  	struct debugfs_blob_wrapper nvm_prod_blob;
  	struct debugfs_blob_wrapper nvm_phy_sku_blob;
  
  	struct iwl_mvm_frame_stats drv_rx_stats;
  	spinlock_t drv_stats_lock;
  	u16 dbgfs_rx_phyinfo;
  #endif
  
  	struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
  
  	struct list_head time_event_list;
  	spinlock_t time_event_lock;
  
  	/*
  	 * A bitmap indicating the index of the key in use. The firmware
  	 * can hold 16 keys at most. Reflect this fact.
  	 */
  	unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
  	u8 fw_key_deleted[STA_KEY_MAX_NUM];
  
  	/* references taken by the driver and spinlock protecting them */
  	spinlock_t refs_lock;
  	u8 refs[IWL_MVM_REF_COUNT];
  
  	u8 vif_count;
  
  	/* -1 for always, 0 for never, >0 for that many times */
  	s8 restart_fw;
  	u8 fw_dbg_conf;
  	struct delayed_work fw_dump_wk;
  	struct iwl_mvm_dump_desc *fw_dump_desc;
  	struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
  
  #ifdef CONFIG_IWLWIFI_LEDS
  	struct led_classdev led;
  #endif
  
  	struct ieee80211_vif *p2p_device_vif;
  
  #ifdef CONFIG_PM_SLEEP
  	struct wiphy_wowlan_support wowlan;
  	int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
  
  	/* sched scan settings for net detect */
  	struct cfg80211_sched_scan_request *nd_config;
  	struct ieee80211_scan_ies nd_ies;
  	struct cfg80211_match_set *nd_match_sets;
  	int n_nd_match_sets;
  	struct ieee80211_channel **nd_channels;
  	int n_nd_channels;
  	bool net_detect;
  #ifdef CONFIG_IWLWIFI_DEBUGFS
  	bool d3_wake_sysassert;
  	bool d3_test_active;
  	bool store_d3_resume_sram;
  	void *d3_resume_sram;
  	u32 d3_test_pme_ptr;
  	struct ieee80211_vif *keep_vif;
  	u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
  #endif
  #endif
  
  	/* d0i3 */
  	u8 d0i3_ap_sta_id;
  	bool d0i3_offloading;
  	struct work_struct d0i3_exit_work;
  	struct sk_buff_head d0i3_tx;
  	/* protect d0i3_suspend_flags */
  	struct mutex d0i3_suspend_mutex;
  	unsigned long d0i3_suspend_flags;
  	/* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
  	spinlock_t d0i3_tx_lock;
  	wait_queue_head_t d0i3_exit_waitq;
  
  	/* BT-Coex */
  	u8 bt_ack_kill_msk[NUM_PHY_CTX];
  	u8 bt_cts_kill_msk[NUM_PHY_CTX];
  
  	struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
  	struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
  	struct iwl_bt_coex_profile_notif last_bt_notif;
  	struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
  
  	u32 last_ant_isol;
  	u8 last_corun_lut;
  	u8 bt_tx_prio;
  	enum iwl_bt_force_ant_mode bt_force_ant_mode;
  
  	/* Aux ROC */
  	struct list_head aux_roc_te_list;
  
  	/* Thermal Throttling and CTkill */
  	struct iwl_mvm_tt_mgmt thermal_throttle;
  	s32 temperature;	/* Celsius */
  	/*
  	 * Debug option to set the NIC temperature. This option makes the
  	 * driver think this is the actual NIC temperature, and ignore the
  	 * real temperature that is received from the fw
  	 */
  	bool temperature_test;  /* Debug test temperature is enabled */
  
  	struct iwl_time_quota_cmd last_quota_cmd;
  
  #ifdef CONFIG_NL80211_TESTMODE
  	u32 noa_duration;
  	struct ieee80211_vif *noa_vif;
  #endif
  
  	/* Tx queues */
  	u8 aux_queue;
  	u8 first_agg_queue;
  	u8 last_agg_queue;
  
  	/* Indicate if device power save is allowed */
  	u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
  
  	struct ieee80211_vif __rcu *csa_vif;
  	struct ieee80211_vif __rcu *csa_tx_blocked_vif;
  	u8 csa_tx_block_bcn_timeout;
  
  	/* system time of last beacon (for AP/GO interface) */
  	u32 ap_last_beacon_gp2;
  
  	bool lar_regdom_set;
  	enum iwl_mcc_source mcc_src;
  
  	u8 low_latency_agg_frame_limit;
  
  	/* TDLS channel switch data */
  	struct {
  		struct delayed_work dwork;
  		enum iwl_mvm_tdls_cs_state state;
  
  		/*
  		 * Current cs sta - might be different from periodic cs peer
  		 * station. Value is meaningless when the cs-state is idle.
  		 */
  		u8 cur_sta_id;
  
  		/* TDLS periodic channel-switch peer */
  		struct {
  			u8 sta_id;
  			u8 op_class;
  			bool initiator; /* are we the link initiator */
  			struct cfg80211_chan_def chandef;
  			struct sk_buff *skb; /* ch sw template */
  			u32 ch_sw_tm_ie;
  
  			/* timestamp of last ch-sw request sent (GP2 time) */
  			u32 sent_timestamp;
  		} peer;
  	} tdls_cs;
  
  	struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
  
  	u32 ciphers[6];
  	struct iwl_mvm_tof_data tof_data;
  };
  
  /* Extract MVM priv from op_mode and _hw */
  #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)		\
  	((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
  
  #define IWL_MAC80211_GET_MVM(_hw)			\
  	IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
  
  enum iwl_mvm_status {
  	IWL_MVM_STATUS_HW_RFKILL,
  	IWL_MVM_STATUS_HW_CTKILL,
  	IWL_MVM_STATUS_ROC_RUNNING,
  	IWL_MVM_STATUS_IN_HW_RESTART,
  	IWL_MVM_STATUS_IN_D0I3,
  	IWL_MVM_STATUS_ROC_AUX_RUNNING,
  	IWL_MVM_STATUS_D3_RECONFIG,
  	IWL_MVM_STATUS_DUMPING_FW_LOG,
  };
  
  static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
  {
  	return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
  	       test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
  }
  
  static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
  {
  	return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
  }
  
  /* Must be called with rcu_read_lock() held and it can only be
   * released when mvmsta is not needed anymore.
   */
  static inline struct iwl_mvm_sta *
  iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
  {
  	struct ieee80211_sta *sta;
  
  	if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
  		return NULL;
  
  	sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
  
  	/* This can happen if the station has been removed right now */
  	if (IS_ERR_OR_NULL(sta))
  		return NULL;
  
  	return iwl_mvm_sta_from_mac80211(sta);
  }
  
  static inline struct iwl_mvm_sta *
  iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
  {
  	struct ieee80211_sta *sta;
  
  	if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
  		return NULL;
  
  	sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
  					lockdep_is_held(&mvm->mutex));
  
  	/* This can happen if the station has been removed right now */
  	if (IS_ERR_OR_NULL(sta))
  		return NULL;
  
  	return iwl_mvm_sta_from_mac80211(sta);
  }
  
  static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
  {
  	return mvm->trans->cfg->d0i3 &&
  	       mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
  	       !iwlwifi_mod_params.d0i3_disable &&
  	       fw_has_capa(&mvm->fw->ucode_capa,
  			   IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
  }
  
  static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
  {
  	return fw_has_capa(&mvm->fw->ucode_capa,
  			   IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
  }
  
  static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
  {
  	bool nvm_lar = mvm->nvm_data->lar_enabled;
  	bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
  				   IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
  
  	if (iwlwifi_mod_params.lar_disable)
  		return false;
  
  	/*
  	 * Enable LAR only if it is supported by the FW (TLV) &&
  	 * enabled in the NVM
  	 */
  	if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
  		return nvm_lar && tlv_lar;
  	else
  		return tlv_lar;
  }
  
  static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
  {
  	return fw_has_api(&mvm->fw->ucode_capa,
  			  IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
  	       fw_has_capa(&mvm->fw->ucode_capa,
  			   IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
  }
  
  static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
  {
  	return fw_has_capa(&mvm->fw->ucode_capa,
  			   IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
  		IWL_MVM_BT_COEX_CORUNNING;
  }
  
  static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
  {
  	return fw_has_capa(&mvm->fw->ucode_capa,
  			   IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
  		IWL_MVM_BT_COEX_RRC;
  }
  
  static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
  {
  	return fw_has_capa(&mvm->fw->ucode_capa,
  			   IWL_UCODE_TLV_CAPA_CSUM_SUPPORT);
  }
  
  static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
  {
  	/* firmware flag isn't defined yet */
  	return false;
  }
  
  extern const u8 iwl_mvm_ac_to_tx_fifo[];
  
  struct iwl_rate_info {
  	u8 plcp;	/* uCode API:  IWL_RATE_6M_PLCP, etc. */
  	u8 plcp_siso;	/* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
  	u8 plcp_mimo2;	/* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
  	u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
  	u8 ieee;	/* MAC header:  IWL_RATE_6M_IEEE, etc. */
  };
  
  void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
  int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
  
  /******************
   * MVM Methods
   ******************/
  /* uCode */
  int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
  
  /* Utils */
  int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
  					enum ieee80211_band band);
  void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
  			       enum ieee80211_band band,
  			       struct ieee80211_tx_rate *r);
  u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
  void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
  u8 first_antenna(u8 mask);
  u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
  
  /* Tx / Host Commands */
  int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
  				  struct iwl_host_cmd *cmd);
  int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
  				      u32 flags, u16 len, const void *data);
  int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
  					 struct iwl_host_cmd *cmd,
  					 u32 *status);
  int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
  					     u16 len, const void *data,
  					     u32 *status);
  int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
  		   struct ieee80211_sta *sta);
  int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
  void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
  			struct iwl_tx_cmd *tx_cmd,
  			struct ieee80211_tx_info *info, u8 sta_id);
  void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
  			    struct ieee80211_tx_info *info,
  			    struct ieee80211_sta *sta, __le16 fc);
  #ifdef CONFIG_IWLWIFI_DEBUG
  const char *iwl_mvm_get_tx_fail_reason(u32 status);
  #else
  static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
  #endif
  int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
  void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
  
  static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
  					   struct iwl_tx_cmd *tx_cmd)
  {
  	struct ieee80211_key_conf *keyconf = info->control.hw_key;
  
  	tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
  	memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
  	if (info->flags & IEEE80211_TX_CTL_AMPDU)
  		tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG);
  }
  
  static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
  {
  	flush_work(&mvm->async_handlers_wk);
  }
  
  /* Statistics */
  void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
  				  struct iwl_rx_packet *pkt);
  void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
  			   struct iwl_rx_cmd_buffer *rxb);
  int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
  void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
  
  /* NVM */
  int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
  int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
  
  static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
  {
  	return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
  	       mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
  	       mvm->fw->valid_tx_ant;
  }
  
  static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
  {
  	return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
  	       mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
  	       mvm->fw->valid_rx_ant;
  }
  
  static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
  {
  	u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
  			   FW_PHY_CFG_RX_CHAIN);
  	u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
  	u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
  
  	phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
  		      valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
  
  	return mvm->fw->phy_config & phy_config;
  }
  
  int iwl_mvm_up(struct iwl_mvm *mvm);
  int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
  
  int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
  bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
  				    struct iwl_bcast_filter_cmd *cmd);
  
  /*
   * FW notifications / CMD responses handlers
   * Convention: iwl_mvm_rx_<NAME OF THE CMD>
   */
  void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
  			struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
  				   struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
  				 struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
  			     struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
  				     struct iwl_rx_cmd_buffer *rxb);
  
  /* MVM PHY */
  int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
  			 struct cfg80211_chan_def *chandef,
  			 u8 chains_static, u8 chains_dynamic);
  int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
  			     struct cfg80211_chan_def *chandef,
  			     u8 chains_static, u8 chains_dynamic);
  void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
  			  struct iwl_mvm_phy_ctxt *ctxt);
  void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
  			    struct iwl_mvm_phy_ctxt *ctxt);
  int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
  u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
  u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
  
  /* MAC (virtual interface) programming */
  int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
  void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
  int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
  int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  			     bool force_assoc_off, const u8 *bssid_override);
  int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
  u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
  int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
  				    struct ieee80211_vif *vif);
  void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
  			     struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
  				     struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
  				    struct ieee80211_vif *vif);
  unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
  					 struct ieee80211_vif *exclude_vif);
  /* Bindings */
  int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
  int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
  
  /* Quota management */
  int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
  			  struct ieee80211_vif *disabled_vif);
  
  /* Scanning */
  int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  			   struct cfg80211_scan_request *req,
  			   struct ieee80211_scan_ies *ies);
  int iwl_mvm_scan_size(struct iwl_mvm *mvm);
  int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
  int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
  void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
  
  /* Scheduled scan */
  void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
  					 struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
  					      struct iwl_rx_cmd_buffer *rxb);
  int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
  			     struct ieee80211_vif *vif,
  			     struct cfg80211_sched_scan_request *req,
  			     struct ieee80211_scan_ies *ies,
  			     int type);
  void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
  				 struct iwl_rx_cmd_buffer *rxb);
  
  /* UMAC scan */
  int iwl_mvm_config_scan(struct iwl_mvm *mvm);
  void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
  					 struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
  					      struct iwl_rx_cmd_buffer *rxb);
  
  /* Paging */
  void iwl_free_fw_paging(struct iwl_mvm *mvm);
  
  /* MVM debugfs */
  #ifdef CONFIG_IWLWIFI_DEBUGFS
  int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
  void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
  void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
  #else
  static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
  					 struct dentry *dbgfs_dir)
  {
  	return 0;
  }
  static inline void
  iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
  {
  }
  static inline void
  iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
  {
  }
  #endif /* CONFIG_IWLWIFI_DEBUGFS */
  
  /* rate scaling */
  int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
  void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
  int rs_pretty_print_rate(char *buf, const u32 rate);
  void rs_update_last_rssi(struct iwl_mvm *mvm,
  			 struct iwl_lq_sta *lq_sta,
  			 struct ieee80211_rx_status *rx_status);
  
  /* power management */
  int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
  int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
  int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
  int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  				 char *buf, int bufsz);
  
  void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
  void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
  					      struct iwl_rx_cmd_buffer *rxb);
  
  #ifdef CONFIG_IWLWIFI_LEDS
  int iwl_mvm_leds_init(struct iwl_mvm *mvm);
  void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
  #else
  static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
  {
  	return 0;
  }
  static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
  {
  }
  #endif
  
  /* D3 (WoWLAN, NetDetect) */
  int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
  int iwl_mvm_resume(struct ieee80211_hw *hw);
  void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
  void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
  			    struct ieee80211_vif *vif,
  			    struct cfg80211_gtk_rekey_data *data);
  void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
  			      struct ieee80211_vif *vif,
  			      struct inet6_dev *idev);
  void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
  				     struct ieee80211_vif *vif, int idx);
  extern const struct file_operations iwl_dbgfs_d3_test_ops;
  #ifdef CONFIG_PM_SLEEP
  void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
  				 struct ieee80211_vif *vif);
  #else
  static inline void
  iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
  {
  }
  #endif
  void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
  				struct iwl_wowlan_config_cmd *cmd);
  int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
  			       struct ieee80211_vif *vif,
  			       bool disable_offloading,
  			       u32 cmd_flags);
  
  /* D0i3 */
  void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
  void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
  int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
  bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
  void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
  int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
  int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
  int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
  
  /* BT Coex */
  int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
  void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
  			      struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  			   enum ieee80211_rssi_event_data);
  void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
  u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
  				struct ieee80211_sta *sta);
  bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
  				     struct ieee80211_sta *sta);
  bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
  bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
  bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
  				    enum ieee80211_band band);
  u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
  			   struct ieee80211_tx_info *info, u8 ac);
  
  bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
  void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
  int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
  void iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
  				  struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  			       enum ieee80211_rssi_event_data);
  u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
  				    struct ieee80211_sta *sta);
  bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
  					 struct ieee80211_sta *sta);
  bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
  					enum ieee80211_band band);
  void iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
  				       struct iwl_rx_cmd_buffer *rxb);
  
  /* beacon filtering */
  #ifdef CONFIG_IWLWIFI_DEBUGFS
  void
  iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
  					 struct iwl_beacon_filter_cmd *cmd);
  #else
  static inline void
  iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
  					 struct iwl_beacon_filter_cmd *cmd)
  {}
  #endif
  int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
  				   struct ieee80211_vif *vif,
  				   bool enable, u32 flags);
  int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
  				 struct ieee80211_vif *vif,
  				 u32 flags);
  int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
  				  struct ieee80211_vif *vif,
  				  u32 flags);
  /* SMPS */
  void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  				enum iwl_mvm_smps_type_request req_type,
  				enum ieee80211_smps_mode smps_request);
  bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
  
  /* Low latency */
  int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  			       bool value);
  /* get SystemLowLatencyMode - only needed for beacon threshold? */
  bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
  /* get VMACLowLatencyMode */
  static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
  {
  	/*
  	 * should this consider associated/active/... state?
  	 *
  	 * Normally low-latency should only be active on interfaces
  	 * that are active, but at least with debugfs it can also be
  	 * enabled on interfaces that aren't active. However, when
  	 * interface aren't active then they aren't added into the
  	 * binding, so this has no real impact. For now, just return
  	 * the current desired low-latency state.
  	 */
  
  	return mvmvif->low_latency;
  }
  
  /* hw scheduler queue config */
  void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
  			u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
  			unsigned int wdg_timeout);
  /*
   * Disable a TXQ.
   * Note that in non-DQA mode the %mac80211_queue and %tid params are ignored.
   */
  void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
  			 u8 tid, u8 flags);
  int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq);
  
  static inline
  void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
  			   u8 fifo, u16 ssn, unsigned int wdg_timeout)
  {
  	struct iwl_trans_txq_scd_cfg cfg = {
  		.fifo = fifo,
  		.tid = IWL_MAX_TID_COUNT,
  		.aggregate = false,
  		.frame_limit = IWL_FRAME_LIMIT,
  	};
  
  	iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
  }
  
  static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
  					  int mac80211_queue, int fifo,
  					  int sta_id, int tid, int frame_limit,
  					  u16 ssn, unsigned int wdg_timeout)
  {
  	struct iwl_trans_txq_scd_cfg cfg = {
  		.fifo = fifo,
  		.sta_id = sta_id,
  		.tid = tid,
  		.frame_limit = frame_limit,
  		.aggregate = true,
  	};
  
  	iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
  }
  
  /* Thermal management and CT-kill */
  void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
  void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
  void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
  			struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
  void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
  void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
  void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
  int iwl_mvm_get_temp(struct iwl_mvm *mvm);
  
  /* Location Aware Regulatory */
  struct iwl_mcc_update_resp *
  iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
  		   enum iwl_mcc_source src_id);
  int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
  void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
  				struct iwl_rx_cmd_buffer *rxb);
  struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
  						  const char *alpha2,
  						  enum iwl_mcc_source src_id,
  						  bool *changed);
  struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
  							  bool *changed);
  int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
  void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
  
  /* smart fifo */
  int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  		      bool added_vif);
  
  /* TDLS */
  
  /*
   * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
   * This TID is marked as used vs the AP and all connected TDLS peers.
   */
  #define IWL_MVM_TDLS_FW_TID 4
  
  int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
  void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
  void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  			       bool sta_added);
  void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
  					   struct ieee80211_vif *vif);
  int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
  				struct ieee80211_vif *vif,
  				struct ieee80211_sta *sta, u8 oper_class,
  				struct cfg80211_chan_def *chandef,
  				struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
  void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
  				      struct ieee80211_vif *vif,
  				      struct ieee80211_tdls_ch_sw_params *params);
  void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
  					struct ieee80211_vif *vif,
  					struct ieee80211_sta *sta);
  void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
  void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
  
  struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
  
  void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
  void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
  
  int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
  int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
  			   const char *str, size_t len,
  			   struct iwl_fw_dbg_trigger_tlv *trigger);
  int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
  				struct iwl_mvm_dump_desc *desc,
  				struct iwl_fw_dbg_trigger_tlv *trigger);
  void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
  int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
  				struct iwl_fw_dbg_trigger_tlv *trigger,
  				const char *fmt, ...) __printf(3, 4);
  unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
  				    struct ieee80211_vif *vif,
  				    bool tdls, bool cmd_q);
  void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  			     const char *errmsg);
  static inline bool
  iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
  			     struct ieee80211_vif *vif)
  {
  	u32 trig_vif = le32_to_cpu(trig->vif_type);
  
  	return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
  }
  
  static inline bool
  iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
  				   struct iwl_fw_dbg_trigger_tlv *trig)
  {
  	return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
  		(mvm->fw_dbg_conf == FW_DBG_INVALID ||
  		(BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
  }
  
  static inline bool
  iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
  			      struct ieee80211_vif *vif,
  			      struct iwl_fw_dbg_trigger_tlv *trig)
  {
  	if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
  		return false;
  
  	return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
  }
  
  static inline void
  iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
  			       struct ieee80211_vif *vif,
  			       enum iwl_fw_dbg_trigger trig)
  {
  	struct iwl_fw_dbg_trigger_tlv *trigger;
  
  	if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
  		return;
  
  	trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
  	if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
  		return;
  
  	iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
  }
  
  #endif /* __IWL_MVM_H__ */