drivers/net/wireless/intel/iwlwifi/dvm/dev.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
   5  *
   6  * Contact Information:
   7  *  Intel Linux Wireless <linuxwifi@intel.com>
   8  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
   9  *
  10  *****************************************************************************/
  11 /*
  12  * Please use this file (dev.h) for driver implementation definitions.
  13  * Please use commands.h for uCode API definitions.
  14  */
  15
  16 #ifndef __iwl_dev_h__
  17 #define __iwl_dev_h__
  18
  19 #include <linux/interrupt.h>
  20 #include <linux/kernel.h>
  21 #include <linux/wait.h>
  22 #include <linux/leds.h>
  23 #include <linux/slab.h>
  24 #include <linux/mutex.h>
  25
  26 #include "fw/img.h"
  27 #include "iwl-eeprom-parse.h"
  28 #include "iwl-csr.h"
  29 #include "iwl-debug.h"
  30 #include "iwl-agn-hw.h"
  31 #include "iwl-op-mode.h"
  32 #include "fw/notif-wait.h"
  33 #include "iwl-trans.h"
  34
  35 #include "led.h"
  36 #include "power.h"
  37 #include "rs.h"
  38 #include "tt.h"
  39
  40 /* CT-KILL constants */
  41 #define CT_KILL_THRESHOLD_LEGACY   110 /* in Celsius */
  42 #define CT_KILL_THRESHOLD          114 /* in Celsius */
  43 #define CT_KILL_EXIT_THRESHOLD     95  /* in Celsius */
  44
  45 /* Default noise level to report when noise measurement is not available.
  46  *   This may be because we're:
  47  *   1)  Not associated  no beacon statistics being sent to driver)
  48  *   2)  Scanning (noise measurement does not apply to associated channel)
  49  * Use default noise value of -127 ... this is below the range of measurable
  50  *   Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
  51  *   Also, -127 works better than 0 when averaging frames with/without
  52  *   noise info (e.g. averaging might be done in app); measured dBm values are
  53  *   always negative ... using a negative value as the default keeps all
  54  *   averages within an s8's (used in some apps) range of negative values. */
  55 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
  56
  57 /*
  58  * RTS threshold here is total size [2347] minus 4 FCS bytes
  59  * Per spec:
  60  *   a value of 0 means RTS on all data/management packets
  61  *   a value > max MSDU size means no RTS
  62  * else RTS for data/management frames where MPDU is larger
  63  *   than RTS value.
  64  */
  65 #define DEFAULT_RTS_THRESHOLD     2347U
  66 #define MIN_RTS_THRESHOLD         0U
  67 #define MAX_RTS_THRESHOLD         2347U
  68 #define MAX_MSDU_SIZE             2304U
  69 #define MAX_MPDU_SIZE             2346U
  70 #define DEFAULT_BEACON_INTERVAL   200U
  71 #define DEFAULT_SHORT_RETRY_LIMIT 7U
  72 #define DEFAULT_LONG_RETRY_LIMIT  4U
  73
  74 #define IWL_NUM_SCAN_RATES         (2)
  75
  76
  77 #define IEEE80211_DATA_LEN              2304
  78 #define IEEE80211_4ADDR_LEN             30
  79 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
  80 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
  81
  82 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
  83 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
  84 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
  85
  86 #define IWL_SUPPORTED_RATES_IE_LEN         8
  87
  88 #define IWL_INVALID_RATE     0xFF
  89 #define IWL_INVALID_VALUE    -1
  90
  91 union iwl_ht_rate_supp {
  92         u16 rates;
  93         struct {
  94                 u8 siso_rate;
  95                 u8 mimo_rate;
  96         };
  97 };
  98
  99 struct iwl_ht_config {
 100         bool single_chain_sufficient;
 101         enum ieee80211_smps_mode smps; /* current smps mode */
 102 };
 103
 104 /* QoS structures */
 105 struct iwl_qos_info {
 106         int qos_active;
 107         struct iwl_qosparam_cmd def_qos_parm;
 108 };
 109
 110 /**
 111  * enum iwl_agg_state
 112  *
 113  * The state machine of the BA agreement establishment / tear down.
 114  * These states relate to a specific RA / TID.
 115  *
 116  * @IWL_AGG_OFF: aggregation is not used
 117  * @IWL_AGG_STARTING: aggregation are starting (between start and oper)
 118  * @IWL_AGG_ON: aggregation session is up
 119  * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
 120  *      HW queue to be empty from packets for this RA /TID.
 121  * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
 122  *      HW queue to be empty from packets for this RA /TID.
 123  */
 124 enum iwl_agg_state {
 125         IWL_AGG_OFF = 0,
 126         IWL_AGG_STARTING,
 127         IWL_AGG_ON,
 128         IWL_EMPTYING_HW_QUEUE_ADDBA,
 129         IWL_EMPTYING_HW_QUEUE_DELBA,
 130 };
 131
 132 /**
 133  * struct iwl_ht_agg - aggregation state machine
 134
 135  * This structs holds the states for the BA agreement establishment and tear
 136  * down. It also holds the state during the BA session itself. This struct is
 137  * duplicated for each RA / TID.
 138
 139  * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
 140  *      Tx response (REPLY_TX), and the block ack notification
 141  *      (REPLY_COMPRESSED_BA).
 142  * @state: state of the BA agreement establishment / tear down.
 143  * @txq_id: Tx queue used by the BA session
 144  * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
 145  *      the first packet to be sent in legacy HW queue in Tx AGG stop flow.
 146  *      Basically when next_reclaimed reaches ssn, we can tell mac80211 that
 147  *      we are ready to finish the Tx AGG stop / start flow.
 148  * @wait_for_ba: Expect block-ack before next Tx reply
 149  */
 150 struct iwl_ht_agg {
 151         u32 rate_n_flags;
 152         enum iwl_agg_state state;
 153         u16 txq_id;
 154         u16 ssn;
 155         bool wait_for_ba;
 156 };
 157
 158 /**
 159  * struct iwl_tid_data - one for each RA / TID
 160
 161  * This structs holds the states for each RA / TID.
 162
 163  * @seq_number: the next WiFi sequence number to use
 164  * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
 165  *      This is basically (last acked packet++).
 166  * @agg: aggregation state machine
 167  */
 168 struct iwl_tid_data {
 169         u16 seq_number;
 170         u16 next_reclaimed;
 171         struct iwl_ht_agg agg;
 172 };
 173
 174 /*
 175  * Structure should be accessed with sta_lock held. When station addition
 176  * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
 177  * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
 178  * held.
 179  */
 180 struct iwl_station_entry {
 181         struct iwl_addsta_cmd sta;
 182         u8 used, ctxid;
 183         struct iwl_link_quality_cmd *lq;
 184 };
 185
 186 /*
 187  * iwl_station_priv: Driver's private station information
 188  *
 189  * When mac80211 creates a station it reserves some space (hw->sta_data_size)
 190  * in the structure for use by driver. This structure is places in that
 191  * space.
 192  */
 193 struct iwl_station_priv {
 194         struct iwl_rxon_context *ctx;
 195         struct iwl_lq_sta lq_sta;
 196         atomic_t pending_frames;
 197         bool client;
 198         bool asleep;
 199         u8 max_agg_bufsize;
 200         u8 sta_id;
 201 };
 202
 203 /**
 204  * struct iwl_vif_priv - driver's private per-interface information
 205  *
 206  * When mac80211 allocates a virtual interface, it can allocate
 207  * space for us to put data into.
 208  */
 209 struct iwl_vif_priv {
 210         struct iwl_rxon_context *ctx;
 211         u8 ibss_bssid_sta_id;
 212 };
 213
 214 struct iwl_sensitivity_ranges {
 215         u16 min_nrg_cck;
 216
 217         u16 nrg_th_cck;
 218         u16 nrg_th_ofdm;
 219
 220         u16 auto_corr_min_ofdm;
 221         u16 auto_corr_min_ofdm_mrc;
 222         u16 auto_corr_min_ofdm_x1;
 223         u16 auto_corr_min_ofdm_mrc_x1;
 224
 225         u16 auto_corr_max_ofdm;
 226         u16 auto_corr_max_ofdm_mrc;
 227         u16 auto_corr_max_ofdm_x1;
 228         u16 auto_corr_max_ofdm_mrc_x1;
 229
 230         u16 auto_corr_max_cck;
 231         u16 auto_corr_max_cck_mrc;
 232         u16 auto_corr_min_cck;
 233         u16 auto_corr_min_cck_mrc;
 234
 235         u16 barker_corr_th_min;
 236         u16 barker_corr_th_min_mrc;
 237         u16 nrg_th_cca;
 238 };
 239
 240 /******************************************************************************
 241  *
 242  * Functions implemented in core module which are forward declared here
 243  * for use by iwl-[4-5].c
 244  *
 245  * NOTE:  The implementation of these functions are not hardware specific
 246  * which is why they are in the core module files.
 247  *
 248  * Naming convention --
 249  * iwl_         <-- Is part of iwlwifi
 250  * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
 251  *
 252  ****************************************************************************/
 253 void iwl_update_chain_flags(struct iwl_priv *priv);
 254 extern const u8 iwl_bcast_addr[ETH_ALEN];
 255
 256 #define IWL_OPERATION_MODE_AUTO     0
 257 #define IWL_OPERATION_MODE_HT_ONLY  1
 258 #define IWL_OPERATION_MODE_MIXED    2
 259 #define IWL_OPERATION_MODE_20MHZ    3
 260
 261 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
 262
 263 /* Sensitivity and chain noise calibration */
 264 #define INITIALIZATION_VALUE            0xFFFF
 265 #define IWL_CAL_NUM_BEACONS             16
 266 #define MAXIMUM_ALLOWED_PATHLOSS        15
 267
 268 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
 269
 270 #define MAX_FA_OFDM  50
 271 #define MIN_FA_OFDM  5
 272 #define MAX_FA_CCK   50
 273 #define MIN_FA_CCK   5
 274
 275 #define AUTO_CORR_STEP_OFDM       1
 276
 277 #define AUTO_CORR_STEP_CCK     3
 278 #define AUTO_CORR_MAX_TH_CCK   160
 279
 280 #define NRG_DIFF               2
 281 #define NRG_STEP_CCK           2
 282 #define NRG_MARGIN             8
 283 #define MAX_NUMBER_CCK_NO_FA 100
 284
 285 #define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
 286
 287 #define CHAIN_A             0
 288 #define CHAIN_B             1
 289 #define CHAIN_C             2
 290 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
 291 #define ALL_BAND_FILTER                 0xFF00
 292 #define IN_BAND_FILTER                  0xFF
 293 #define MIN_AVERAGE_NOISE_MAX_VALUE     0xFFFFFFFF
 294
 295 #define NRG_NUM_PREV_STAT_L     20
 296 #define NUM_RX_CHAINS           3
 297
 298 enum iwlagn_false_alarm_state {
 299         IWL_FA_TOO_MANY = 0,
 300         IWL_FA_TOO_FEW = 1,
 301         IWL_FA_GOOD_RANGE = 2,
 302 };
 303
 304 enum iwlagn_chain_noise_state {
 305         IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
 306         IWL_CHAIN_NOISE_ACCUMULATE,
 307         IWL_CHAIN_NOISE_CALIBRATED,
 308         IWL_CHAIN_NOISE_DONE,
 309 };
 310
 311 /* Sensitivity calib data */
 312 struct iwl_sensitivity_data {
 313         u32 auto_corr_ofdm;
 314         u32 auto_corr_ofdm_mrc;
 315         u32 auto_corr_ofdm_x1;
 316         u32 auto_corr_ofdm_mrc_x1;
 317         u32 auto_corr_cck;
 318         u32 auto_corr_cck_mrc;
 319
 320         u32 last_bad_plcp_cnt_ofdm;
 321         u32 last_fa_cnt_ofdm;
 322         u32 last_bad_plcp_cnt_cck;
 323         u32 last_fa_cnt_cck;
 324
 325         u32 nrg_curr_state;
 326         u32 nrg_prev_state;
 327         u32 nrg_value[10];
 328         u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
 329         u32 nrg_silence_ref;
 330         u32 nrg_energy_idx;
 331         u32 nrg_silence_idx;
 332         u32 nrg_th_cck;
 333         s32 nrg_auto_corr_silence_diff;
 334         u32 num_in_cck_no_fa;
 335         u32 nrg_th_ofdm;
 336
 337         u16 barker_corr_th_min;
 338         u16 barker_corr_th_min_mrc;
 339         u16 nrg_th_cca;
 340 };
 341
 342 /* Chain noise (differential Rx gain) calib data */
 343 struct iwl_chain_noise_data {
 344         u32 active_chains;
 345         u32 chain_noise_a;
 346         u32 chain_noise_b;
 347         u32 chain_noise_c;
 348         u32 chain_signal_a;
 349         u32 chain_signal_b;
 350         u32 chain_signal_c;
 351         u16 beacon_count;
 352         u8 disconn_array[NUM_RX_CHAINS];
 353         u8 delta_gain_code[NUM_RX_CHAINS];
 354         u8 radio_write;
 355         u8 state;
 356 };
 357
 358 enum {
 359         MEASUREMENT_READY = (1 << 0),
 360         MEASUREMENT_ACTIVE = (1 << 1),
 361 };
 362
 363 /* reply_tx_statistics (for _agn devices) */
 364 struct reply_tx_error_statistics {
 365         u32 pp_delay;
 366         u32 pp_few_bytes;
 367         u32 pp_bt_prio;
 368         u32 pp_quiet_period;
 369         u32 pp_calc_ttak;
 370         u32 int_crossed_retry;
 371         u32 short_limit;
 372         u32 long_limit;
 373         u32 fifo_underrun;
 374         u32 drain_flow;
 375         u32 rfkill_flush;
 376         u32 life_expire;
 377         u32 dest_ps;
 378         u32 host_abort;
 379         u32 bt_retry;
 380         u32 sta_invalid;
 381         u32 frag_drop;
 382         u32 tid_disable;
 383         u32 fifo_flush;
 384         u32 insuff_cf_poll;
 385         u32 fail_hw_drop;
 386         u32 sta_color_mismatch;
 387         u32 unknown;
 388 };
 389
 390 /* reply_agg_tx_statistics (for _agn devices) */
 391 struct reply_agg_tx_error_statistics {
 392         u32 underrun;
 393         u32 bt_prio;
 394         u32 few_bytes;
 395         u32 abort;
 396         u32 last_sent_ttl;
 397         u32 last_sent_try;
 398         u32 last_sent_bt_kill;
 399         u32 scd_query;
 400         u32 bad_crc32;
 401         u32 response;
 402         u32 dump_tx;
 403         u32 delay_tx;
 404         u32 unknown;
 405 };
 406
 407 /*
 408  * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
 409  * to perform continuous uCode event logging operation if enabled
 410  */
 411 #define UCODE_TRACE_PERIOD (10)
 412
 413 /*
 414  * iwl_event_log: current uCode event log position
 415  *
 416  * @ucode_trace: enable/disable ucode continuous trace timer
 417  * @num_wraps: how many times the event buffer wraps
 418  * @next_entry:  the entry just before the next one that uCode would fill
 419  * @non_wraps_count: counter for no wrap detected when dump ucode events
 420  * @wraps_once_count: counter for wrap once detected when dump ucode events
 421  * @wraps_more_count: counter for wrap more than once detected
 422  *                    when dump ucode events
 423  */
 424 struct iwl_event_log {
 425         bool ucode_trace;
 426         u32 num_wraps;
 427         u32 next_entry;
 428         int non_wraps_count;
 429         int wraps_once_count;
 430         int wraps_more_count;
 431 };
 432
 433 #define IWL_DELAY_NEXT_FORCE_RF_RESET  (HZ*3)
 434
 435 /* BT Antenna Coupling Threshold (dB) */
 436 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD       (35)
 437
 438 /* Firmware reload counter and Timestamp */
 439 #define IWL_MIN_RELOAD_DURATION         1000 /* 1000 ms */
 440 #define IWL_MAX_CONTINUE_RELOAD_CNT     4
 441
 442
 443 struct iwl_rf_reset {
 444         int reset_request_count;
 445         int reset_success_count;
 446         int reset_reject_count;
 447         unsigned long last_reset_jiffies;
 448 };
 449
 450 enum iwl_rxon_context_id {
 451         IWL_RXON_CTX_BSS,
 452         IWL_RXON_CTX_PAN,
 453
 454         NUM_IWL_RXON_CTX
 455 };
 456
 457 /* extend beacon time format bit shifting  */
 458 /*
 459  * for _agn devices
 460  * bits 31:22 - extended
 461  * bits 21:0  - interval
 462  */
 463 #define IWLAGN_EXT_BEACON_TIME_POS      22
 464
 465 struct iwl_rxon_context {
 466         struct ieee80211_vif *vif;
 467
 468         u8 mcast_queue;
 469         u8 ac_to_queue[IEEE80211_NUM_ACS];
 470         u8 ac_to_fifo[IEEE80211_NUM_ACS];
 471
 472         /*
 473          * We could use the vif to indicate active, but we
 474          * also need it to be active during disabling when
 475          * we already removed the vif for type setting.
 476          */
 477         bool always_active, is_active;
 478
 479         bool ht_need_multiple_chains;
 480
 481         enum iwl_rxon_context_id ctxid;
 482
 483         u32 interface_modes, exclusive_interface_modes;
 484         u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
 485
 486         /*
 487          * We declare this const so it can only be
 488          * changed via explicit cast within the
 489          * routines that actually update the physical
 490          * hardware.
 491          */
 492         const struct iwl_rxon_cmd active;
 493         struct iwl_rxon_cmd staging;
 494
 495         struct iwl_rxon_time_cmd timing;
 496
 497         struct iwl_qos_info qos_data;
 498
 499         u8 bcast_sta_id, ap_sta_id;
 500
 501         u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
 502         u8 qos_cmd;
 503         u8 wep_key_cmd;
 504
 505         struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
 506         u8 key_mapping_keys;
 507
 508         __le32 station_flags;
 509
 510         int beacon_int;
 511
 512         struct {
 513                 bool non_gf_sta_present;
 514                 u8 protection;
 515                 bool enabled, is_40mhz;
 516                 u8 extension_chan_offset;
 517         } ht;
 518 };
 519
 520 enum iwl_scan_type {
 521         IWL_SCAN_NORMAL,
 522         IWL_SCAN_RADIO_RESET,
 523 };
 524
 525 /**
 526  * struct iwl_hw_params
 527  *
 528  * Holds the module parameters
 529  *
 530  * @tx_chains_num: Number of TX chains
 531  * @rx_chains_num: Number of RX chains
 532  * @ct_kill_threshold: temperature threshold - in hw dependent unit
 533  * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
 534  *      relevant for 1000, 6000 and up
 535  * @struct iwl_sensitivity_ranges: range of sensitivity values
 536  * @use_rts_for_aggregation: use rts/cts protection for HT traffic
 537  */
 538 struct iwl_hw_params {
 539         u8  tx_chains_num;
 540         u8  rx_chains_num;
 541         bool use_rts_for_aggregation;
 542         u32 ct_kill_threshold;
 543         u32 ct_kill_exit_threshold;
 544
 545         const struct iwl_sensitivity_ranges *sens;
 546 };
 547
 548 /**
 549  * struct iwl_dvm_bt_params - DVM specific BT (coex) parameters
 550  * @advanced_bt_coexist: support advanced bt coexist
 551  * @bt_init_traffic_load: specify initial bt traffic load
 552  * @bt_prio_boost: default bt priority boost value
 553  * @agg_time_limit: maximum number of uSec in aggregation
 554  * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode
 555  */
 556 struct iwl_dvm_bt_params {
 557         bool advanced_bt_coexist;
 558         u8 bt_init_traffic_load;
 559         u32 bt_prio_boost;
 560         u16 agg_time_limit;
 561         bool bt_sco_disable;
 562         bool bt_session_2;
 563 };
 564
 565 /**
 566  * struct iwl_dvm_cfg - DVM firmware specific device configuration
 567  * @set_hw_params: set hardware parameters
 568  * @set_channel_switch: send channel switch command
 569  * @nic_config: apply device specific configuration
 570  * @temperature: read temperature
 571  * @adv_thermal_throttle: support advance thermal throttle
 572  * @support_ct_kill_exit: support ct kill exit condition
 573  * @plcp_delta_threshold: plcp error rate threshold used to trigger
 574  *      radio tuning when there is a high receiving plcp error rate
 575  * @chain_noise_scale: default chain noise scale used for gain computation
 576  * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
 577  * @no_idle_support: do not support idle mode
 578  * @bt_params: pointer to BT parameters
 579  * @need_temp_offset_calib: need to perform temperature offset calibration
 580  * @no_xtal_calib: some devices do not need crystal calibration data,
 581  *      don't send it to those
 582  * @temp_offset_v2: support v2 of temperature offset calibration
 583  * @adv_pm: advanced power management
 584  */
 585 struct iwl_dvm_cfg {
 586         void (*set_hw_params)(struct iwl_priv *priv);
 587         int (*set_channel_switch)(struct iwl_priv *priv,
 588                                   struct ieee80211_channel_switch *ch_switch);
 589         void (*nic_config)(struct iwl_priv *priv);
 590         void (*temperature)(struct iwl_priv *priv);
 591
 592         const struct iwl_dvm_bt_params *bt_params;
 593         s32 chain_noise_scale;
 594         u8 plcp_delta_threshold;
 595         bool adv_thermal_throttle;
 596         bool support_ct_kill_exit;
 597         bool hd_v2;
 598         bool no_idle_support;
 599         bool need_temp_offset_calib;
 600         bool no_xtal_calib;
 601         bool temp_offset_v2;
 602         bool adv_pm;
 603 };
 604
 605 struct iwl_wipan_noa_data {
 606         struct rcu_head rcu_head;
 607         u32 length;
 608         u8 data[];
 609 };
 610
 611 /* Calibration disabling bit mask */
 612 enum {
 613         IWL_CALIB_ENABLE_ALL                    = 0,
 614
 615         IWL_SENSITIVITY_CALIB_DISABLED          = BIT(0),
 616         IWL_CHAIN_NOISE_CALIB_DISABLED          = BIT(1),
 617         IWL_TX_POWER_CALIB_DISABLED             = BIT(2),
 618
 619         IWL_CALIB_DISABLE_ALL                   = 0xFFFFFFFF,
 620 };
 621
 622 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
 623         ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
 624
 625 #define IWL_MAC80211_GET_DVM(_hw) \
 626         ((struct iwl_priv *) ((struct iwl_op_mode *) \
 627         (_hw)->priv)->op_mode_specific)
 628
 629 struct iwl_priv {
 630
 631         struct iwl_trans *trans;
 632         struct device *dev;             /* for debug prints only */
 633         const struct iwl_cfg *cfg;
 634         const struct iwl_fw *fw;
 635         const struct iwl_dvm_cfg *lib;
 636         unsigned long status;
 637
 638         spinlock_t sta_lock;
 639         struct mutex mutex;
 640
 641         unsigned long transport_queue_stop;
 642         bool passive_no_rx;
 643 #define IWL_INVALID_MAC80211_QUEUE      0xff
 644         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 645         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 646
 647         unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
 648
 649         /* ieee device used by generic ieee processing code */
 650         struct ieee80211_hw *hw;
 651
 652         struct napi_struct *napi;
 653
 654         struct list_head calib_results;
 655
 656         struct workqueue_struct *workqueue;
 657
 658         struct iwl_hw_params hw_params;
 659
 660         enum nl80211_band band;
 661         u8 valid_contexts;
 662
 663         void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
 664                                        struct iwl_rx_cmd_buffer *rxb);
 665
 666         struct iwl_notif_wait_data notif_wait;
 667
 668         /* spectrum measurement report caching */
 669         struct iwl_spectrum_notification measure_report;
 670         u8 measurement_status;
 671
 672         /* ucode beacon time */
 673         u32 ucode_beacon_time;
 674         int missed_beacon_threshold;
 675
 676         /* track IBSS manager (last beacon) status */
 677         u32 ibss_manager;
 678
 679         /* jiffies when last recovery from statistics was performed */
 680         unsigned long rx_statistics_jiffies;
 681
 682         /*counters */
 683         u32 rx_handlers_stats[REPLY_MAX];
 684
 685         /* rf reset */
 686         struct iwl_rf_reset rf_reset;
 687
 688         /* firmware reload counter and timestamp */
 689         unsigned long reload_jiffies;
 690         int reload_count;
 691         bool ucode_loaded;
 692
 693         u8 plcp_delta_threshold;
 694
 695         /* thermal calibration */
 696         s32 temperature;        /* Celsius */
 697         s32 last_temperature;
 698
 699         struct iwl_wipan_noa_data __rcu *noa_data;
 700
 701         /* Scan related variables */
 702         unsigned long scan_start;
 703         unsigned long scan_start_tsf;
 704         void *scan_cmd;
 705         enum nl80211_band scan_band;
 706         struct cfg80211_scan_request *scan_request;
 707         struct ieee80211_vif *scan_vif;
 708         enum iwl_scan_type scan_type;
 709         u8 scan_tx_ant[NUM_NL80211_BANDS];
 710         u8 mgmt_tx_ant;
 711
 712         /* max number of station keys */
 713         u8 sta_key_max_num;
 714
 715         bool new_scan_threshold_behaviour;
 716
 717         bool wowlan;
 718
 719         /* EEPROM MAC addresses */
 720         struct mac_address addresses[2];
 721
 722         struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
 723
 724         __le16 switch_channel;
 725
 726         u8 start_calib;
 727         struct iwl_sensitivity_data sensitivity_data;
 728         struct iwl_chain_noise_data chain_noise_data;
 729         __le16 sensitivity_tbl[HD_TABLE_SIZE];
 730         __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
 731
 732         struct iwl_ht_config current_ht_config;
 733
 734         /* Rate scaling data */
 735         u8 retry_rate;
 736
 737         int activity_timer_active;
 738
 739         struct iwl_power_mgr power_data;
 740         struct iwl_tt_mgmt thermal_throttle;
 741
 742         /* station table variables */
 743         int num_stations;
 744         struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
 745         unsigned long ucode_key_table;
 746         struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
 747         atomic_t num_aux_in_flight;
 748
 749         u8 mac80211_registered;
 750
 751         /* Indication if ieee80211_ops->open has been called */
 752         u8 is_open;
 753
 754         enum nl80211_iftype iw_mode;
 755
 756         /* Last Rx'd beacon timestamp */
 757         u64 timestamp;
 758
 759         struct {
 760                 __le32 flag;
 761                 struct statistics_general_common common;
 762                 struct statistics_rx_non_phy rx_non_phy;
 763                 struct statistics_rx_phy rx_ofdm;
 764                 struct statistics_rx_ht_phy rx_ofdm_ht;
 765                 struct statistics_rx_phy rx_cck;
 766                 struct statistics_tx tx;
 767 #ifdef CONFIG_IWLWIFI_DEBUGFS
 768                 struct statistics_bt_activity bt_activity;
 769                 __le32 num_bt_kills, accum_num_bt_kills;
 770 #endif
 771                 spinlock_t lock;
 772         } statistics;
 773 #ifdef CONFIG_IWLWIFI_DEBUGFS
 774         struct {
 775                 struct statistics_general_common common;
 776                 struct statistics_rx_non_phy rx_non_phy;
 777                 struct statistics_rx_phy rx_ofdm;
 778                 struct statistics_rx_ht_phy rx_ofdm_ht;
 779                 struct statistics_rx_phy rx_cck;
 780                 struct statistics_tx tx;
 781                 struct statistics_bt_activity bt_activity;
 782         } accum_stats, delta_stats, max_delta_stats;
 783 #endif
 784
 785         /*
 786          * reporting the number of tids has AGG on. 0 means
 787          * no AGGREGATION
 788          */
 789         u8 agg_tids_count;
 790
 791         struct iwl_rx_phy_res last_phy_res;
 792         u32 ampdu_ref;
 793         bool last_phy_res_valid;
 794
 795         /*
 796          * chain noise reset and gain commands are the
 797          * two extra calibration commands follows the standard
 798          * phy calibration commands
 799          */
 800         u8 phy_calib_chain_noise_reset_cmd;
 801         u8 phy_calib_chain_noise_gain_cmd;
 802
 803         /* counts reply_tx error */
 804         struct reply_tx_error_statistics reply_tx_stats;
 805         struct reply_agg_tx_error_statistics reply_agg_tx_stats;
 806
 807         /* bt coex */
 808         u8 bt_enable_flag;
 809         u8 bt_status;
 810         u8 bt_traffic_load, last_bt_traffic_load;
 811         bool bt_ch_announce;
 812         bool bt_full_concurrent;
 813         bool bt_ant_couple_ok;
 814         __le32 kill_ack_mask;
 815         __le32 kill_cts_mask;
 816         __le16 bt_valid;
 817         bool reduced_txpower;
 818         u16 bt_on_thresh;
 819         u16 bt_duration;
 820         u16 dynamic_frag_thresh;
 821         u8 bt_ci_compliance;
 822         struct work_struct bt_traffic_change_work;
 823         bool bt_enable_pspoll;
 824         struct iwl_rxon_context *cur_rssi_ctx;
 825         bool bt_is_sco;
 826
 827         struct work_struct restart;
 828         struct work_struct scan_completed;
 829         struct work_struct abort_scan;
 830
 831         struct work_struct beacon_update;
 832         struct iwl_rxon_context *beacon_ctx;
 833         struct sk_buff *beacon_skb;
 834         void *beacon_cmd;
 835
 836         struct work_struct tt_work;
 837         struct work_struct ct_enter;
 838         struct work_struct ct_exit;
 839         struct work_struct start_internal_scan;
 840         struct work_struct tx_flush;
 841         struct work_struct bt_full_concurrency;
 842         struct work_struct bt_runtime_config;
 843
 844         struct delayed_work scan_check;
 845
 846         /* TX Power settings */
 847         s8 tx_power_user_lmt;
 848         s8 tx_power_next;
 849
 850 #ifdef CONFIG_IWLWIFI_DEBUGFS
 851         /* debugfs */
 852         struct dentry *debugfs_dir;
 853         u32 dbgfs_sram_offset, dbgfs_sram_len;
 854         bool disable_ht40;
 855         void *wowlan_sram;
 856 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 857
 858         struct iwl_nvm_data *nvm_data;
 859         /* eeprom blob for debugfs */
 860         u8 *eeprom_blob;
 861         size_t eeprom_blob_size;
 862
 863         struct work_struct txpower_work;
 864         u32 calib_disabled;
 865         struct work_struct run_time_calib_work;
 866         struct timer_list statistics_periodic;
 867         struct timer_list ucode_trace;
 868
 869         struct iwl_event_log event_log;
 870
 871 #ifdef CONFIG_IWLWIFI_LEDS
 872         struct led_classdev led;
 873         unsigned long blink_on, blink_off;
 874         bool led_registered;
 875 #endif
 876
 877         /* WoWLAN GTK rekey data */
 878         u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 879         __le64 replay_ctr;
 880         __le16 last_seq_ctl;
 881         bool have_rekey_data;
 882 #ifdef CONFIG_PM_SLEEP
 883         struct wiphy_wowlan_support wowlan_support;
 884 #endif
 885
 886         /* device_pointers: pointers to ucode event tables */
 887         struct {
 888                 u32 error_event_table;
 889                 u32 log_event_table;
 890         } device_pointers;
 891
 892         /* indicator of loaded ucode image */
 893         enum iwl_ucode_type cur_ucode;
 894 }; /*iwl_priv */
 895
 896 static inline struct iwl_rxon_context *
 897 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
 898 {
 899         struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
 900
 901         return vif_priv->ctx;
 902 }
 903
 904 #define for_each_context(priv, ctx)                             \
 905         for (ctx = &priv->contexts[IWL_RXON_CTX_BSS];           \
 906              ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++)    \
 907                 if (priv->valid_contexts & BIT(ctx->ctxid))
 908
 909 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
 910 {
 911         return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
 912 }
 913
 914 static inline int iwl_is_associated(struct iwl_priv *priv,
 915                                     enum iwl_rxon_context_id ctxid)
 916 {
 917         return iwl_is_associated_ctx(&priv->contexts[ctxid]);
 918 }
 919
 920 static inline int iwl_is_any_associated(struct iwl_priv *priv)
 921 {
 922         struct iwl_rxon_context *ctx;
 923         for_each_context(priv, ctx)
 924                 if (iwl_is_associated_ctx(ctx))
 925                         return true;
 926         return false;
 927 }
 928
 929 #endif                          /* __iwl_dev_h__ */