1 files changed, 953 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/dvm/dev.h b/drivers/net/wireless/iwlwifi/dvm/dev.h
new file mode 100644
index 000000000000..89f2e1040e7f
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/dvm/dev.h
@@ -0,0 +1,953 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
+ *
+ * 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
+ *
+ *****************************************************************************/
+/*
+ * Please use this file (dev.h) for driver implementation definitions.
+ * Please use commands.h for uCode API definitions.
+ */
+
+#ifndef __iwl_dev_h__
+#define __iwl_dev_h__
+
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/wait.h>
+#include <linux/leds.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+
+#include "iwl-fw.h"
+#include "iwl-eeprom-parse.h"
+#include "iwl-csr.h"
+#include "iwl-debug.h"
+#include "iwl-agn-hw.h"
+#include "iwl-op-mode.h"
+#include "iwl-notif-wait.h"
+#include "iwl-trans.h"
+
+#include "led.h"
+#include "power.h"
+#include "rs.h"
+#include "tt.h"
+
+/* CT-KILL constants */
+#define CT_KILL_THRESHOLD_LEGACY   110 /* in Celsius */
+#define CT_KILL_THRESHOLD          114 /* in Celsius */
+#define CT_KILL_EXIT_THRESHOLD     95  /* in Celsius */
+
+/* Default noise level to report when noise measurement is not available.
+ *   This may be because we're:
+ *   1)  Not associated  no beacon statistics being sent to driver)
+ *   2)  Scanning (noise measurement does not apply to associated channel)
+ * Use default noise value of -127 ... this is below the range of measurable
+ *   Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
+ *   Also, -127 works better than 0 when averaging frames with/without
+ *   noise info (e.g. averaging might be done in app); measured dBm values are
+ *   always negative ... using a negative value as the default keeps all
+ *   averages within an s8's (used in some apps) range of negative values. */
+#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
+
+/*
+ * RTS threshold here is total size [2347] minus 4 FCS bytes
+ * Per spec:
+ *   a value of 0 means RTS on all data/management packets
+ *   a value > max MSDU size means no RTS
+ * else RTS for data/management frames where MPDU is larger
+ *   than RTS value.
+ */
+#define DEFAULT_RTS_THRESHOLD     2347U
+#define MIN_RTS_THRESHOLD         0U
+#define MAX_RTS_THRESHOLD         2347U
+#define MAX_MSDU_SIZE             2304U
+#define MAX_MPDU_SIZE             2346U
+#define DEFAULT_BEACON_INTERVAL   200U
+#define DEFAULT_SHORT_RETRY_LIMIT 7U
+#define DEFAULT_LONG_RETRY_LIMIT  4U
+
+#define IWL_NUM_SCAN_RATES         (2)
+
+/*
+ * Minimum number of queues. MAX_NUM is defined in hw specific files.
+ * Set the minimum to accommodate
+ *  - 4 standard TX queues
+ *  - the command queue
+ *  - 4 PAN TX queues
+ *  - the PAN multicast queue, and
+ *  - the AUX (TX during scan dwell) queue.
+ */
+#define IWL_MIN_NUM_QUEUES      11
+
+/*
+ * Command queue depends on iPAN support.
+ */
+#define IWL_DEFAULT_CMD_QUEUE_NUM       4
+#define IWL_IPAN_CMD_QUEUE_NUM          9
+
+#define IEEE80211_DATA_LEN              2304
+#define IEEE80211_4ADDR_LEN             30
+#define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
+#define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
+
+#define SUP_RATE_11A_MAX_NUM_CHANNELS  8
+#define SUP_RATE_11B_MAX_NUM_CHANNELS  4
+#define SUP_RATE_11G_MAX_NUM_CHANNELS  12
+
+#define IWL_SUPPORTED_RATES_IE_LEN         8
+
+#define IWL_INVALID_RATE     0xFF
+#define IWL_INVALID_VALUE    -1
+
+union iwl_ht_rate_supp {
+        u16 rates;
+        struct {
+                u8 siso_rate;
+                u8 mimo_rate;
+        };
+};
+
+struct iwl_ht_config {
+        bool single_chain_sufficient;
+        enum ieee80211_smps_mode smps; /* current smps mode */
+};
+
+/* QoS structures */
+struct iwl_qos_info {
+        int qos_active;
+        struct iwl_qosparam_cmd def_qos_parm;
+};
+
+/**
+ * enum iwl_agg_state
+ *
+ * The state machine of the BA agreement establishment / tear down.
+ * These states relate to a specific RA / TID.
+ *
+ * @IWL_AGG_OFF: aggregation is not used
+ * @IWL_AGG_STARTING: aggregation are starting (between start and oper)
+ * @IWL_AGG_ON: aggregation session is up
+ * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
+ *      HW queue to be empty from packets for this RA /TID.
+ * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
+ *      HW queue to be empty from packets for this RA /TID.
+ */
+enum iwl_agg_state {
+        IWL_AGG_OFF = 0,
+        IWL_AGG_STARTING,
+        IWL_AGG_ON,
+        IWL_EMPTYING_HW_QUEUE_ADDBA,
+        IWL_EMPTYING_HW_QUEUE_DELBA,
+};
+
+/**
+ * struct iwl_ht_agg - aggregation state machine
+
+ * This structs holds the states for the BA agreement establishment and tear
+ * down. It also holds the state during the BA session itself. This struct is
+ * duplicated for each RA / TID.
+
+ * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
+ *      Tx response (REPLY_TX), and the block ack notification
+ *      (REPLY_COMPRESSED_BA).
+ * @state: state of the BA agreement establishment / tear down.
+ * @txq_id: Tx queue used by the BA session
+ * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
+ *      the first packet to be sent in legacy HW queue in Tx AGG stop flow.
+ *      Basically when next_reclaimed reaches ssn, we can tell mac80211 that
+ *      we are ready to finish the Tx AGG stop / start flow.
+ * @wait_for_ba: Expect block-ack before next Tx reply
+ */
+struct iwl_ht_agg {
+        u32 rate_n_flags;
+        enum iwl_agg_state state;
+        u16 txq_id;
+        u16 ssn;
+        bool wait_for_ba;
+};
+
+/**
+ * struct iwl_tid_data - one for each RA / TID
+
+ * This structs holds the states for each RA / TID.
+
+ * @seq_number: the next WiFi sequence number to use
+ * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
+ *      This is basically (last acked packet++).
+ * @agg: aggregation state machine
+ */
+struct iwl_tid_data {
+        u16 seq_number;
+        u16 next_reclaimed;
+        struct iwl_ht_agg agg;
+};
+
+/*
+ * Structure should be accessed with sta_lock held. When station addition
+ * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
+ * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
+ * held.
+ */
+struct iwl_station_entry {
+        struct iwl_addsta_cmd sta;
+        u8 used, ctxid;
+        struct iwl_link_quality_cmd *lq;
+};
+
+/*
+ * iwl_station_priv: Driver's private station information
+ *
+ * When mac80211 creates a station it reserves some space (hw->sta_data_size)
+ * in the structure for use by driver. This structure is places in that
+ * space.
+ */
+struct iwl_station_priv {
+        struct iwl_rxon_context *ctx;
+        struct iwl_lq_sta lq_sta;
+        atomic_t pending_frames;
+        bool client;
+        bool asleep;
+        u8 max_agg_bufsize;
+        u8 sta_id;
+};
+
+/**
+ * struct iwl_vif_priv - driver's private per-interface information
+ *
+ * When mac80211 allocates a virtual interface, it can allocate
+ * space for us to put data into.
+ */
+struct iwl_vif_priv {
+        struct iwl_rxon_context *ctx;
+        u8 ibss_bssid_sta_id;
+};
+
+struct iwl_sensitivity_ranges {
+        u16 min_nrg_cck;
+
+        u16 nrg_th_cck;
+        u16 nrg_th_ofdm;
+
+        u16 auto_corr_min_ofdm;
+        u16 auto_corr_min_ofdm_mrc;
+        u16 auto_corr_min_ofdm_x1;
+        u16 auto_corr_min_ofdm_mrc_x1;
+
+        u16 auto_corr_max_ofdm;
+        u16 auto_corr_max_ofdm_mrc;
+        u16 auto_corr_max_ofdm_x1;
+        u16 auto_corr_max_ofdm_mrc_x1;
+
+        u16 auto_corr_max_cck;
+        u16 auto_corr_max_cck_mrc;
+        u16 auto_corr_min_cck;
+        u16 auto_corr_min_cck_mrc;
+
+        u16 barker_corr_th_min;
+        u16 barker_corr_th_min_mrc;
+        u16 nrg_th_cca;
+};
+
+
+#define KELVIN_TO_CELSIUS(x) ((x)-273)
+#define CELSIUS_TO_KELVIN(x) ((x)+273)
+
+
+/******************************************************************************
+ *
+ * Functions implemented in core module which are forward declared here
+ * for use by iwl-[4-5].c
+ *
+ * NOTE:  The implementation of these functions are not hardware specific
+ * which is why they are in the core module files.
+ *
+ * Naming convention --
+ * iwl_         <-- Is part of iwlwifi
+ * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
+ *
+ ****************************************************************************/
+extern void iwl_update_chain_flags(struct iwl_priv *priv);
+extern const u8 iwl_bcast_addr[ETH_ALEN];
+
+#define IWL_OPERATION_MODE_AUTO     0
+#define IWL_OPERATION_MODE_HT_ONLY  1
+#define IWL_OPERATION_MODE_MIXED    2
+#define IWL_OPERATION_MODE_20MHZ    3
+
+#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
+
+/* Sensitivity and chain noise calibration */
+#define INITIALIZATION_VALUE            0xFFFF
+#define IWL_CAL_NUM_BEACONS             16
+#define MAXIMUM_ALLOWED_PATHLOSS        15
+
+#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
+
+#define MAX_FA_OFDM  50
+#define MIN_FA_OFDM  5
+#define MAX_FA_CCK   50
+#define MIN_FA_CCK   5
+
+#define AUTO_CORR_STEP_OFDM       1
+
+#define AUTO_CORR_STEP_CCK     3
+#define AUTO_CORR_MAX_TH_CCK   160
+
+#define NRG_DIFF               2
+#define NRG_STEP_CCK           2
+#define NRG_MARGIN             8
+#define MAX_NUMBER_CCK_NO_FA 100
+
+#define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
+
+#define CHAIN_A             0
+#define CHAIN_B             1
+#define CHAIN_C             2
+#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
+#define ALL_BAND_FILTER                 0xFF00
+#define IN_BAND_FILTER                  0xFF
+#define MIN_AVERAGE_NOISE_MAX_VALUE     0xFFFFFFFF
+
+#define NRG_NUM_PREV_STAT_L     20
+#define NUM_RX_CHAINS           3
+
+enum iwlagn_false_alarm_state {
+        IWL_FA_TOO_MANY = 0,
+        IWL_FA_TOO_FEW = 1,
+        IWL_FA_GOOD_RANGE = 2,
+};
+
+enum iwlagn_chain_noise_state {
+        IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
+        IWL_CHAIN_NOISE_ACCUMULATE,
+        IWL_CHAIN_NOISE_CALIBRATED,
+        IWL_CHAIN_NOISE_DONE,
+};
+
+/* Sensitivity calib data */
+struct iwl_sensitivity_data {
+        u32 auto_corr_ofdm;
+        u32 auto_corr_ofdm_mrc;
+        u32 auto_corr_ofdm_x1;
+        u32 auto_corr_ofdm_mrc_x1;
+        u32 auto_corr_cck;
+        u32 auto_corr_cck_mrc;
+
+        u32 last_bad_plcp_cnt_ofdm;
+        u32 last_fa_cnt_ofdm;
+        u32 last_bad_plcp_cnt_cck;
+        u32 last_fa_cnt_cck;
+
+        u32 nrg_curr_state;
+        u32 nrg_prev_state;
+        u32 nrg_value[10];
+        u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
+        u32 nrg_silence_ref;
+        u32 nrg_energy_idx;
+        u32 nrg_silence_idx;
+        u32 nrg_th_cck;
+        s32 nrg_auto_corr_silence_diff;
+        u32 num_in_cck_no_fa;
+        u32 nrg_th_ofdm;
+
+        u16 barker_corr_th_min;
+        u16 barker_corr_th_min_mrc;
+        u16 nrg_th_cca;
+};
+
+/* Chain noise (differential Rx gain) calib data */
+struct iwl_chain_noise_data {
+        u32 active_chains;
+        u32 chain_noise_a;
+        u32 chain_noise_b;
+        u32 chain_noise_c;
+        u32 chain_signal_a;
+        u32 chain_signal_b;
+        u32 chain_signal_c;
+        u16 beacon_count;
+        u8 disconn_array[NUM_RX_CHAINS];
+        u8 delta_gain_code[NUM_RX_CHAINS];
+        u8 radio_write;
+        u8 state;
+};
+
+enum {
+        MEASUREMENT_READY = (1 << 0),
+        MEASUREMENT_ACTIVE = (1 << 1),
+};
+
+/* reply_tx_statistics (for _agn devices) */
+struct reply_tx_error_statistics {
+        u32 pp_delay;
+        u32 pp_few_bytes;
+        u32 pp_bt_prio;
+        u32 pp_quiet_period;
+        u32 pp_calc_ttak;
+        u32 int_crossed_retry;
+        u32 short_limit;
+        u32 long_limit;
+        u32 fifo_underrun;
+        u32 drain_flow;
+        u32 rfkill_flush;
+        u32 life_expire;
+        u32 dest_ps;
+        u32 host_abort;
+        u32 bt_retry;
+        u32 sta_invalid;
+        u32 frag_drop;
+        u32 tid_disable;
+        u32 fifo_flush;
+        u32 insuff_cf_poll;
+        u32 fail_hw_drop;
+        u32 sta_color_mismatch;
+        u32 unknown;
+};
+
+/* reply_agg_tx_statistics (for _agn devices) */
+struct reply_agg_tx_error_statistics {
+        u32 underrun;
+        u32 bt_prio;
+        u32 few_bytes;
+        u32 abort;
+        u32 last_sent_ttl;
+        u32 last_sent_try;
+        u32 last_sent_bt_kill;
+        u32 scd_query;
+        u32 bad_crc32;
+        u32 response;
+        u32 dump_tx;
+        u32 delay_tx;
+        u32 unknown;
+};
+
+/*
+ * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
+ * to perform continuous uCode event logging operation if enabled
+ */
+#define UCODE_TRACE_PERIOD (10)
+
+/*
+ * iwl_event_log: current uCode event log position
+ *
+ * @ucode_trace: enable/disable ucode continuous trace timer
+ * @num_wraps: how many times the event buffer wraps
+ * @next_entry:  the entry just before the next one that uCode would fill
+ * @non_wraps_count: counter for no wrap detected when dump ucode events
+ * @wraps_once_count: counter for wrap once detected when dump ucode events
+ * @wraps_more_count: counter for wrap more than once detected
+ *                    when dump ucode events
+ */
+struct iwl_event_log {
+        bool ucode_trace;
+        u32 num_wraps;
+        u32 next_entry;
+        int non_wraps_count;
+        int wraps_once_count;
+        int wraps_more_count;
+};
+
+#define IWL_DELAY_NEXT_FORCE_RF_RESET  (HZ*3)
+
+/* BT Antenna Coupling Threshold (dB) */
+#define IWL_BT_ANTENNA_COUPLING_THRESHOLD       (35)
+
+/* Firmware reload counter and Timestamp */
+#define IWL_MIN_RELOAD_DURATION         1000 /* 1000 ms */
+#define IWL_MAX_CONTINUE_RELOAD_CNT     4
+
+
+struct iwl_rf_reset {
+        int reset_request_count;
+        int reset_success_count;
+        int reset_reject_count;
+        unsigned long last_reset_jiffies;
+};
+
+enum iwl_rxon_context_id {
+        IWL_RXON_CTX_BSS,
+        IWL_RXON_CTX_PAN,
+
+        NUM_IWL_RXON_CTX
+};
+
+/* extend beacon time format bit shifting  */
+/*
+ * for _agn devices
+ * bits 31:22 - extended
+ * bits 21:0  - interval
+ */
+#define IWLAGN_EXT_BEACON_TIME_POS      22
+
+struct iwl_rxon_context {
+        struct ieee80211_vif *vif;
+
+        u8 mcast_queue;
+        u8 ac_to_queue[IEEE80211_NUM_ACS];
+        u8 ac_to_fifo[IEEE80211_NUM_ACS];
+
+        /*
+         * We could use the vif to indicate active, but we
+         * also need it to be active during disabling when
+         * we already removed the vif for type setting.
+         */
+        bool always_active, is_active;
+
+        bool ht_need_multiple_chains;
+
+        enum iwl_rxon_context_id ctxid;
+
+        u32 interface_modes, exclusive_interface_modes;
+        u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
+
+        /*
+         * We declare this const so it can only be
+         * changed via explicit cast within the
+         * routines that actually update the physical
+         * hardware.
+         */
+        const struct iwl_rxon_cmd active;
+        struct iwl_rxon_cmd staging;
+
+        struct iwl_rxon_time_cmd timing;
+
+        struct iwl_qos_info qos_data;
+
+        u8 bcast_sta_id, ap_sta_id;
+
+        u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
+        u8 qos_cmd;
+        u8 wep_key_cmd;
+
+        struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
+        u8 key_mapping_keys;
+
+        __le32 station_flags;
+
+        int beacon_int;
+
+        struct {
+                bool non_gf_sta_present;
+                u8 protection;
+                bool enabled, is_40mhz;
+                u8 extension_chan_offset;
+        } ht;
+};
+
+enum iwl_scan_type {
+        IWL_SCAN_NORMAL,
+        IWL_SCAN_RADIO_RESET,
+        IWL_SCAN_ROC,
+};
+
+/**
+ * struct iwl_hw_params
+ *
+ * Holds the module parameters
+ *
+ * @tx_chains_num: Number of TX chains
+ * @rx_chains_num: Number of RX chains
+ * @sku: sku read from EEPROM
+ * @ct_kill_threshold: temperature threshold - in hw dependent unit
+ * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
+ *      relevant for 1000, 6000 and up
+ * @struct iwl_sensitivity_ranges: range of sensitivity values
+ * @use_rts_for_aggregation: use rts/cts protection for HT traffic
+ */
+struct iwl_hw_params {
+        u8  tx_chains_num;
+        u8  rx_chains_num;
+        bool use_rts_for_aggregation;
+        u16 sku;
+        u32 ct_kill_threshold;
+        u32 ct_kill_exit_threshold;
+
+        const struct iwl_sensitivity_ranges *sens;
+};
+
+struct iwl_lib_ops {
+        /* set hw dependent parameters */
+        void (*set_hw_params)(struct iwl_priv *priv);
+        int (*set_channel_switch)(struct iwl_priv *priv,
+                                  struct ieee80211_channel_switch *ch_switch);
+        /* device specific configuration */
+        void (*nic_config)(struct iwl_priv *priv);
+
+        /* temperature */
+        void (*temperature)(struct iwl_priv *priv);
+};
+
+#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
+struct iwl_testmode_trace {
+        u32 buff_size;
+        u32 total_size;
+        u32 num_chunks;
+        u8 *cpu_addr;
+        u8 *trace_addr;
+        dma_addr_t dma_addr;
+        bool trace_enabled;
+};
+struct iwl_testmode_mem {
+        u32 buff_size;
+        u32 num_chunks;
+        u8 *buff_addr;
+        bool read_in_progress;
+};
+#endif
+
+struct iwl_wipan_noa_data {
+        struct rcu_head rcu_head;
+        u32 length;
+        u8 data[];
+};
+
+/* Calibration disabling bit mask */
+enum {
+        IWL_CALIB_ENABLE_ALL                    = 0,
+
+        IWL_SENSITIVITY_CALIB_DISABLED          = BIT(0),
+        IWL_CHAIN_NOISE_CALIB_DISABLED          = BIT(1),
+        IWL_TX_POWER_CALIB_DISABLED             = BIT(2),
+
+        IWL_CALIB_DISABLE_ALL                   = 0xFFFFFFFF,
+};
+
+#define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
+        ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
+
+#define IWL_MAC80211_GET_DVM(_hw) \
+        ((struct iwl_priv *) ((struct iwl_op_mode *) \
+        (_hw)->priv)->op_mode_specific)
+
+struct iwl_priv {
+
+        struct iwl_trans *trans;
+        struct device *dev;             /* for debug prints only */
+        const struct iwl_cfg *cfg;
+        const struct iwl_fw *fw;
+        const struct iwl_lib_ops *lib;
+        unsigned long status;
+
+        spinlock_t sta_lock;
+        struct mutex mutex;
+
+        unsigned long transport_queue_stop;
+        bool passive_no_rx;
+#define IWL_INVALID_MAC80211_QUEUE      0xff
+        u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
+        atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
+
+        unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
+
+        /* ieee device used by generic ieee processing code */
+        struct ieee80211_hw *hw;
+
+        struct list_head calib_results;
+
+        struct workqueue_struct *workqueue;
+
+        struct iwl_hw_params hw_params;
+
+        enum ieee80211_band band;
+        u8 valid_contexts;
+
+        void (*pre_rx_handler)(struct iwl_priv *priv,
+                               struct iwl_rx_cmd_buffer *rxb);
+        int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
+                                       struct iwl_rx_cmd_buffer *rxb,
+                                       struct iwl_device_cmd *cmd);
+
+        struct iwl_notif_wait_data notif_wait;
+
+        /* spectrum measurement report caching */
+        struct iwl_spectrum_notification measure_report;
+        u8 measurement_status;
+
+#define IWL_OWNERSHIP_DRIVER    0
+#define IWL_OWNERSHIP_TM        1
+        u8 ucode_owner;
+
+        /* ucode beacon time */
+        u32 ucode_beacon_time;
+        int missed_beacon_threshold;
+
+        /* track IBSS manager (last beacon) status */
+        u32 ibss_manager;
+
+        /* jiffies when last recovery from statistics was performed */
+        unsigned long rx_statistics_jiffies;
+
+        /*counters */
+        u32 rx_handlers_stats[REPLY_MAX];
+
+        /* rf reset */
+        struct iwl_rf_reset rf_reset;
+
+        /* firmware reload counter and timestamp */
+        unsigned long reload_jiffies;
+        int reload_count;
+        bool ucode_loaded;
+        bool init_ucode_run;            /* Don't run init uCode again */
+
+        u8 plcp_delta_threshold;
+
+        /* thermal calibration */
+        s32 temperature;        /* Celsius */
+        s32 last_temperature;
+
+        struct iwl_wipan_noa_data __rcu *noa_data;
+
+        /* Scan related variables */
+        unsigned long scan_start;
+        unsigned long scan_start_tsf;
+        void *scan_cmd;
+        enum ieee80211_band scan_band;
+        struct cfg80211_scan_request *scan_request;
+        struct ieee80211_vif *scan_vif;
+        enum iwl_scan_type scan_type;
+        u8 scan_tx_ant[IEEE80211_NUM_BANDS];
+        u8 mgmt_tx_ant;
+
+        /* max number of station keys */
+        u8 sta_key_max_num;
+
+        bool new_scan_threshold_behaviour;
+
+        bool wowlan;
+
+        /* EEPROM MAC addresses */
+        struct mac_address addresses[2];
+
+        struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
+
+        __le16 switch_channel;
+
+        u8 start_calib;
+        struct iwl_sensitivity_data sensitivity_data;
+        struct iwl_chain_noise_data chain_noise_data;
+        __le16 sensitivity_tbl[HD_TABLE_SIZE];
+        __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
+
+        struct iwl_ht_config current_ht_config;
+
+        /* Rate scaling data */
+        u8 retry_rate;
+
+        int activity_timer_active;
+
+        struct iwl_power_mgr power_data;
+        struct iwl_tt_mgmt thermal_throttle;
+
+        /* station table variables */
+        int num_stations;
+        struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
+        unsigned long ucode_key_table;
+        struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
+        atomic_t num_aux_in_flight;
+
+        u8 mac80211_registered;
+
+        /* Indication if ieee80211_ops->open has been called */
+        u8 is_open;
+
+        enum nl80211_iftype iw_mode;
+
+        /* Last Rx'd beacon timestamp */
+        u64 timestamp;
+
+        struct {
+                __le32 flag;
+                struct statistics_general_common common;
+                struct statistics_rx_non_phy rx_non_phy;
+                struct statistics_rx_phy rx_ofdm;
+                struct statistics_rx_ht_phy rx_ofdm_ht;
+                struct statistics_rx_phy rx_cck;
+                struct statistics_tx tx;
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+                struct statistics_bt_activity bt_activity;
+                __le32 num_bt_kills, accum_num_bt_kills;
+#endif
+                spinlock_t lock;
+        } statistics;
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+        struct {
+                struct statistics_general_common common;
+                struct statistics_rx_non_phy rx_non_phy;
+                struct statistics_rx_phy rx_ofdm;
+                struct statistics_rx_ht_phy rx_ofdm_ht;
+                struct statistics_rx_phy rx_cck;
+                struct statistics_tx tx;
+                struct statistics_bt_activity bt_activity;
+        } accum_stats, delta_stats, max_delta_stats;
+#endif
+
+        /*
+         * reporting the number of tids has AGG on. 0 means
+         * no AGGREGATION
+         */
+        u8 agg_tids_count;
+
+        struct iwl_rx_phy_res last_phy_res;
+        bool last_phy_res_valid;
+
+        /*
+         * chain noise reset and gain commands are the
+         * two extra calibration commands follows the standard
+         * phy calibration commands
+         */
+        u8 phy_calib_chain_noise_reset_cmd;
+        u8 phy_calib_chain_noise_gain_cmd;
+
+        /* counts reply_tx error */
+        struct reply_tx_error_statistics reply_tx_stats;
+        struct reply_agg_tx_error_statistics reply_agg_tx_stats;
+
+        /* remain-on-channel offload support */
+        struct ieee80211_channel *hw_roc_channel;
+        struct delayed_work hw_roc_disable_work;
+        enum nl80211_channel_type hw_roc_chantype;
+        int hw_roc_duration;
+        bool hw_roc_setup, hw_roc_start_notified;
+
+        /* bt coex */
+        u8 bt_enable_flag;
+        u8 bt_status;
+        u8 bt_traffic_load, last_bt_traffic_load;
+        bool bt_ch_announce;
+        bool bt_full_concurrent;
+        bool bt_ant_couple_ok;
+        __le32 kill_ack_mask;
+        __le32 kill_cts_mask;
+        __le16 bt_valid;
+        bool reduced_txpower;
+        u16 bt_on_thresh;
+        u16 bt_duration;
+        u16 dynamic_frag_thresh;
+        u8 bt_ci_compliance;
+        struct work_struct bt_traffic_change_work;
+        bool bt_enable_pspoll;
+        struct iwl_rxon_context *cur_rssi_ctx;
+        bool bt_is_sco;
+
+        struct work_struct restart;
+        struct work_struct scan_completed;
+        struct work_struct abort_scan;
+
+        struct work_struct beacon_update;
+        struct iwl_rxon_context *beacon_ctx;
+        struct sk_buff *beacon_skb;
+        void *beacon_cmd;
+
+        struct work_struct tt_work;
+        struct work_struct ct_enter;
+        struct work_struct ct_exit;
+        struct work_struct start_internal_scan;
+        struct work_struct tx_flush;
+        struct work_struct bt_full_concurrency;
+        struct work_struct bt_runtime_config;
+
+        struct delayed_work scan_check;
+
+        /* TX Power settings */
+        s8 tx_power_user_lmt;
+        s8 tx_power_next;
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+        /* debugfs */
+        struct dentry *debugfs_dir;
+        u32 dbgfs_sram_offset, dbgfs_sram_len;
+        bool disable_ht40;
+        void *wowlan_sram;
+#endif /* CONFIG_IWLWIFI_DEBUGFS */
+
+        struct iwl_eeprom_data *eeprom_data;
+        /* eeprom blob for debugfs/testmode */
+        u8 *eeprom_blob;
+        size_t eeprom_blob_size;
+
+        struct work_struct txpower_work;
+        u32 calib_disabled;
+        struct work_struct run_time_calib_work;
+        struct timer_list statistics_periodic;
+        struct timer_list ucode_trace;
+
+        struct iwl_event_log event_log;
+
+        struct led_classdev led;
+        unsigned long blink_on, blink_off;
+        bool led_registered;
+#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
+        struct iwl_testmode_trace testmode_trace;
+        struct iwl_testmode_mem testmode_mem;
+        u32 tm_fixed_rate;
+#endif
+
+        /* WoWLAN GTK rekey data */
+        u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
+        __le64 replay_ctr;
+        __le16 last_seq_ctl;
+        bool have_rekey_data;
+
+        /* device_pointers: pointers to ucode event tables */
+        struct {
+                u32 error_event_table;
+                u32 log_event_table;
+        } device_pointers;
+
+        /* indicator of loaded ucode image */
+        enum iwl_ucode_type cur_ucode;
+}; /*iwl_priv */
+
+static inline struct iwl_rxon_context *
+iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
+{
+        struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
+
+        return vif_priv->ctx;
+}
+
+#define for_each_context(priv, ctx)                             \
+        for (ctx = &priv->contexts[IWL_RXON_CTX_BSS];           \
+             ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++)    \
+                if (priv->valid_contexts & BIT(ctx->ctxid))
+
+static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
+{
+        return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
+}
+
+static inline int iwl_is_associated(struct iwl_priv *priv,
+                                    enum iwl_rxon_context_id ctxid)
+{
+        return iwl_is_associated_ctx(&priv->contexts[ctxid]);
+}
+
+static inline int iwl_is_any_associated(struct iwl_priv *priv)
+{
+        struct iwl_rxon_context *ctx;
+        for_each_context(priv, ctx)
+                if (iwl_is_associated_ctx(ctx))
+                        return true;
+        return false;
+}
+
+#endif                          /* __iwl_dev_h__ */