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

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INCLUDED FROM

DEFINITIONS

This source file includes following definitions.
  1. iwl_rxon_ctx_from_vif
  2. iwl_is_associated_ctx
  3. iwl_is_associated
  4. iwl_is_any_associated
   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 #define KELVIN_TO_CELSIUS(x) ((x)-273)
 242 #define CELSIUS_TO_KELVIN(x) ((x)+273)
 243 
 244 
 245 /******************************************************************************
 246  *
 247  * Functions implemented in core module which are forward declared here
 248  * for use by iwl-[4-5].c
 249  *
 250  * NOTE:  The implementation of these functions are not hardware specific
 251  * which is why they are in the core module files.
 252  *
 253  * Naming convention --
 254  * iwl_         <-- Is part of iwlwifi
 255  * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
 256  *
 257  ****************************************************************************/
 258 void iwl_update_chain_flags(struct iwl_priv *priv);
 259 extern const u8 iwl_bcast_addr[ETH_ALEN];
 260 
 261 #define IWL_OPERATION_MODE_AUTO     0
 262 #define IWL_OPERATION_MODE_HT_ONLY  1
 263 #define IWL_OPERATION_MODE_MIXED    2
 264 #define IWL_OPERATION_MODE_20MHZ    3
 265 
 266 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
 267 
 268 /* Sensitivity and chain noise calibration */
 269 #define INITIALIZATION_VALUE            0xFFFF
 270 #define IWL_CAL_NUM_BEACONS             16
 271 #define MAXIMUM_ALLOWED_PATHLOSS        15
 272 
 273 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
 274 
 275 #define MAX_FA_OFDM  50
 276 #define MIN_FA_OFDM  5
 277 #define MAX_FA_CCK   50
 278 #define MIN_FA_CCK   5
 279 
 280 #define AUTO_CORR_STEP_OFDM       1
 281 
 282 #define AUTO_CORR_STEP_CCK     3
 283 #define AUTO_CORR_MAX_TH_CCK   160
 284 
 285 #define NRG_DIFF               2
 286 #define NRG_STEP_CCK           2
 287 #define NRG_MARGIN             8
 288 #define MAX_NUMBER_CCK_NO_FA 100
 289 
 290 #define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
 291 
 292 #define CHAIN_A             0
 293 #define CHAIN_B             1
 294 #define CHAIN_C             2
 295 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
 296 #define ALL_BAND_FILTER                 0xFF00
 297 #define IN_BAND_FILTER                  0xFF
 298 #define MIN_AVERAGE_NOISE_MAX_VALUE     0xFFFFFFFF
 299 
 300 #define NRG_NUM_PREV_STAT_L     20
 301 #define NUM_RX_CHAINS           3
 302 
 303 enum iwlagn_false_alarm_state {
 304         IWL_FA_TOO_MANY = 0,
 305         IWL_FA_TOO_FEW = 1,
 306         IWL_FA_GOOD_RANGE = 2,
 307 };
 308 
 309 enum iwlagn_chain_noise_state {
 310         IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
 311         IWL_CHAIN_NOISE_ACCUMULATE,
 312         IWL_CHAIN_NOISE_CALIBRATED,
 313         IWL_CHAIN_NOISE_DONE,
 314 };
 315 
 316 /* Sensitivity calib data */
 317 struct iwl_sensitivity_data {
 318         u32 auto_corr_ofdm;
 319         u32 auto_corr_ofdm_mrc;
 320         u32 auto_corr_ofdm_x1;
 321         u32 auto_corr_ofdm_mrc_x1;
 322         u32 auto_corr_cck;
 323         u32 auto_corr_cck_mrc;
 324 
 325         u32 last_bad_plcp_cnt_ofdm;
 326         u32 last_fa_cnt_ofdm;
 327         u32 last_bad_plcp_cnt_cck;
 328         u32 last_fa_cnt_cck;
 329 
 330         u32 nrg_curr_state;
 331         u32 nrg_prev_state;
 332         u32 nrg_value[10];
 333         u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
 334         u32 nrg_silence_ref;
 335         u32 nrg_energy_idx;
 336         u32 nrg_silence_idx;
 337         u32 nrg_th_cck;
 338         s32 nrg_auto_corr_silence_diff;
 339         u32 num_in_cck_no_fa;
 340         u32 nrg_th_ofdm;
 341 
 342         u16 barker_corr_th_min;
 343         u16 barker_corr_th_min_mrc;
 344         u16 nrg_th_cca;
 345 };
 346 
 347 /* Chain noise (differential Rx gain) calib data */
 348 struct iwl_chain_noise_data {
 349         u32 active_chains;
 350         u32 chain_noise_a;
 351         u32 chain_noise_b;
 352         u32 chain_noise_c;
 353         u32 chain_signal_a;
 354         u32 chain_signal_b;
 355         u32 chain_signal_c;
 356         u16 beacon_count;
 357         u8 disconn_array[NUM_RX_CHAINS];
 358         u8 delta_gain_code[NUM_RX_CHAINS];
 359         u8 radio_write;
 360         u8 state;
 361 };
 362 
 363 enum {
 364         MEASUREMENT_READY = (1 << 0),
 365         MEASUREMENT_ACTIVE = (1 << 1),
 366 };
 367 
 368 /* reply_tx_statistics (for _agn devices) */
 369 struct reply_tx_error_statistics {
 370         u32 pp_delay;
 371         u32 pp_few_bytes;
 372         u32 pp_bt_prio;
 373         u32 pp_quiet_period;
 374         u32 pp_calc_ttak;
 375         u32 int_crossed_retry;
 376         u32 short_limit;
 377         u32 long_limit;
 378         u32 fifo_underrun;
 379         u32 drain_flow;
 380         u32 rfkill_flush;
 381         u32 life_expire;
 382         u32 dest_ps;
 383         u32 host_abort;
 384         u32 bt_retry;
 385         u32 sta_invalid;
 386         u32 frag_drop;
 387         u32 tid_disable;
 388         u32 fifo_flush;
 389         u32 insuff_cf_poll;
 390         u32 fail_hw_drop;
 391         u32 sta_color_mismatch;
 392         u32 unknown;
 393 };
 394 
 395 /* reply_agg_tx_statistics (for _agn devices) */
 396 struct reply_agg_tx_error_statistics {
 397         u32 underrun;
 398         u32 bt_prio;
 399         u32 few_bytes;
 400         u32 abort;
 401         u32 last_sent_ttl;
 402         u32 last_sent_try;
 403         u32 last_sent_bt_kill;
 404         u32 scd_query;
 405         u32 bad_crc32;
 406         u32 response;
 407         u32 dump_tx;
 408         u32 delay_tx;
 409         u32 unknown;
 410 };
 411 
 412 /*
 413  * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
 414  * to perform continuous uCode event logging operation if enabled
 415  */
 416 #define UCODE_TRACE_PERIOD (10)
 417 
 418 /*
 419  * iwl_event_log: current uCode event log position
 420  *
 421  * @ucode_trace: enable/disable ucode continuous trace timer
 422  * @num_wraps: how many times the event buffer wraps
 423  * @next_entry:  the entry just before the next one that uCode would fill
 424  * @non_wraps_count: counter for no wrap detected when dump ucode events
 425  * @wraps_once_count: counter for wrap once detected when dump ucode events
 426  * @wraps_more_count: counter for wrap more than once detected
 427  *                    when dump ucode events
 428  */
 429 struct iwl_event_log {
 430         bool ucode_trace;
 431         u32 num_wraps;
 432         u32 next_entry;
 433         int non_wraps_count;
 434         int wraps_once_count;
 435         int wraps_more_count;
 436 };
 437 
 438 #define IWL_DELAY_NEXT_FORCE_RF_RESET  (HZ*3)
 439 
 440 /* BT Antenna Coupling Threshold (dB) */
 441 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD       (35)
 442 
 443 /* Firmware reload counter and Timestamp */
 444 #define IWL_MIN_RELOAD_DURATION         1000 /* 1000 ms */
 445 #define IWL_MAX_CONTINUE_RELOAD_CNT     4
 446 
 447 
 448 struct iwl_rf_reset {
 449         int reset_request_count;
 450         int reset_success_count;
 451         int reset_reject_count;
 452         unsigned long last_reset_jiffies;
 453 };
 454 
 455 enum iwl_rxon_context_id {
 456         IWL_RXON_CTX_BSS,
 457         IWL_RXON_CTX_PAN,
 458 
 459         NUM_IWL_RXON_CTX
 460 };
 461 
 462 /* extend beacon time format bit shifting  */
 463 /*
 464  * for _agn devices
 465  * bits 31:22 - extended
 466  * bits 21:0  - interval
 467  */
 468 #define IWLAGN_EXT_BEACON_TIME_POS      22
 469 
 470 struct iwl_rxon_context {
 471         struct ieee80211_vif *vif;
 472 
 473         u8 mcast_queue;
 474         u8 ac_to_queue[IEEE80211_NUM_ACS];
 475         u8 ac_to_fifo[IEEE80211_NUM_ACS];
 476 
 477         /*
 478          * We could use the vif to indicate active, but we
 479          * also need it to be active during disabling when
 480          * we already removed the vif for type setting.
 481          */
 482         bool always_active, is_active;
 483 
 484         bool ht_need_multiple_chains;
 485 
 486         enum iwl_rxon_context_id ctxid;
 487 
 488         u32 interface_modes, exclusive_interface_modes;
 489         u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
 490 
 491         /*
 492          * We declare this const so it can only be
 493          * changed via explicit cast within the
 494          * routines that actually update the physical
 495          * hardware.
 496          */
 497         const struct iwl_rxon_cmd active;
 498         struct iwl_rxon_cmd staging;
 499 
 500         struct iwl_rxon_time_cmd timing;
 501 
 502         struct iwl_qos_info qos_data;
 503 
 504         u8 bcast_sta_id, ap_sta_id;
 505 
 506         u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
 507         u8 qos_cmd;
 508         u8 wep_key_cmd;
 509 
 510         struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
 511         u8 key_mapping_keys;
 512 
 513         __le32 station_flags;
 514 
 515         int beacon_int;
 516 
 517         struct {
 518                 bool non_gf_sta_present;
 519                 u8 protection;
 520                 bool enabled, is_40mhz;
 521                 u8 extension_chan_offset;
 522         } ht;
 523 };
 524 
 525 enum iwl_scan_type {
 526         IWL_SCAN_NORMAL,
 527         IWL_SCAN_RADIO_RESET,
 528 };
 529 
 530 /**
 531  * struct iwl_hw_params
 532  *
 533  * Holds the module parameters
 534  *
 535  * @tx_chains_num: Number of TX chains
 536  * @rx_chains_num: Number of RX chains
 537  * @ct_kill_threshold: temperature threshold - in hw dependent unit
 538  * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
 539  *      relevant for 1000, 6000 and up
 540  * @struct iwl_sensitivity_ranges: range of sensitivity values
 541  * @use_rts_for_aggregation: use rts/cts protection for HT traffic
 542  */
 543 struct iwl_hw_params {
 544         u8  tx_chains_num;
 545         u8  rx_chains_num;
 546         bool use_rts_for_aggregation;
 547         u32 ct_kill_threshold;
 548         u32 ct_kill_exit_threshold;
 549 
 550         const struct iwl_sensitivity_ranges *sens;
 551 };
 552 
 553 /**
 554  * struct iwl_dvm_bt_params - DVM specific BT (coex) parameters
 555  * @advanced_bt_coexist: support advanced bt coexist
 556  * @bt_init_traffic_load: specify initial bt traffic load
 557  * @bt_prio_boost: default bt priority boost value
 558  * @agg_time_limit: maximum number of uSec in aggregation
 559  * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode
 560  */
 561 struct iwl_dvm_bt_params {
 562         bool advanced_bt_coexist;
 563         u8 bt_init_traffic_load;
 564         u32 bt_prio_boost;
 565         u16 agg_time_limit;
 566         bool bt_sco_disable;
 567         bool bt_session_2;
 568 };
 569 
 570 /**
 571  * struct iwl_dvm_cfg - DVM firmware specific device configuration
 572  * @set_hw_params: set hardware parameters
 573  * @set_channel_switch: send channel switch command
 574  * @nic_config: apply device specific configuration
 575  * @temperature: read temperature
 576  * @adv_thermal_throttle: support advance thermal throttle
 577  * @support_ct_kill_exit: support ct kill exit condition
 578  * @plcp_delta_threshold: plcp error rate threshold used to trigger
 579  *      radio tuning when there is a high receiving plcp error rate
 580  * @chain_noise_scale: default chain noise scale used for gain computation
 581  * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
 582  * @no_idle_support: do not support idle mode
 583  * @bt_params: pointer to BT parameters
 584  * @need_temp_offset_calib: need to perform temperature offset calibration
 585  * @no_xtal_calib: some devices do not need crystal calibration data,
 586  *      don't send it to those
 587  * @temp_offset_v2: support v2 of temperature offset calibration
 588  * @adv_pm: advanced power management
 589  */
 590 struct iwl_dvm_cfg {
 591         void (*set_hw_params)(struct iwl_priv *priv);
 592         int (*set_channel_switch)(struct iwl_priv *priv,
 593                                   struct ieee80211_channel_switch *ch_switch);
 594         void (*nic_config)(struct iwl_priv *priv);
 595         void (*temperature)(struct iwl_priv *priv);
 596 
 597         const struct iwl_dvm_bt_params *bt_params;
 598         s32 chain_noise_scale;
 599         u8 plcp_delta_threshold;
 600         bool adv_thermal_throttle;
 601         bool support_ct_kill_exit;
 602         bool hd_v2;
 603         bool no_idle_support;
 604         bool need_temp_offset_calib;
 605         bool no_xtal_calib;
 606         bool temp_offset_v2;
 607         bool adv_pm;
 608 };
 609 
 610 struct iwl_wipan_noa_data {
 611         struct rcu_head rcu_head;
 612         u32 length;
 613         u8 data[];
 614 };
 615 
 616 /* Calibration disabling bit mask */
 617 enum {
 618         IWL_CALIB_ENABLE_ALL                    = 0,
 619 
 620         IWL_SENSITIVITY_CALIB_DISABLED          = BIT(0),
 621         IWL_CHAIN_NOISE_CALIB_DISABLED          = BIT(1),
 622         IWL_TX_POWER_CALIB_DISABLED             = BIT(2),
 623 
 624         IWL_CALIB_DISABLE_ALL                   = 0xFFFFFFFF,
 625 };
 626 
 627 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
 628         ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
 629 
 630 #define IWL_MAC80211_GET_DVM(_hw) \
 631         ((struct iwl_priv *) ((struct iwl_op_mode *) \
 632         (_hw)->priv)->op_mode_specific)
 633 
 634 struct iwl_priv {
 635 
 636         struct iwl_trans *trans;
 637         struct device *dev;             /* for debug prints only */
 638         const struct iwl_cfg *cfg;
 639         const struct iwl_fw *fw;
 640         const struct iwl_dvm_cfg *lib;
 641         unsigned long status;
 642 
 643         spinlock_t sta_lock;
 644         struct mutex mutex;
 645 
 646         unsigned long transport_queue_stop;
 647         bool passive_no_rx;
 648 #define IWL_INVALID_MAC80211_QUEUE      0xff
 649         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 650         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 651 
 652         unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
 653 
 654         /* ieee device used by generic ieee processing code */
 655         struct ieee80211_hw *hw;
 656 
 657         struct napi_struct *napi;
 658 
 659         struct list_head calib_results;
 660 
 661         struct workqueue_struct *workqueue;
 662 
 663         struct iwl_hw_params hw_params;
 664 
 665         enum nl80211_band band;
 666         u8 valid_contexts;
 667 
 668         void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
 669                                        struct iwl_rx_cmd_buffer *rxb);
 670 
 671         struct iwl_notif_wait_data notif_wait;
 672 
 673         /* spectrum measurement report caching */
 674         struct iwl_spectrum_notification measure_report;
 675         u8 measurement_status;
 676 
 677         /* ucode beacon time */
 678         u32 ucode_beacon_time;
 679         int missed_beacon_threshold;
 680 
 681         /* track IBSS manager (last beacon) status */
 682         u32 ibss_manager;
 683 
 684         /* jiffies when last recovery from statistics was performed */
 685         unsigned long rx_statistics_jiffies;
 686 
 687         /*counters */
 688         u32 rx_handlers_stats[REPLY_MAX];
 689 
 690         /* rf reset */
 691         struct iwl_rf_reset rf_reset;
 692 
 693         /* firmware reload counter and timestamp */
 694         unsigned long reload_jiffies;
 695         int reload_count;
 696         bool ucode_loaded;
 697 
 698         u8 plcp_delta_threshold;
 699 
 700         /* thermal calibration */
 701         s32 temperature;        /* Celsius */
 702         s32 last_temperature;
 703 
 704         struct iwl_wipan_noa_data __rcu *noa_data;
 705 
 706         /* Scan related variables */
 707         unsigned long scan_start;
 708         unsigned long scan_start_tsf;
 709         void *scan_cmd;
 710         enum nl80211_band scan_band;
 711         struct cfg80211_scan_request *scan_request;
 712         struct ieee80211_vif *scan_vif;
 713         enum iwl_scan_type scan_type;
 714         u8 scan_tx_ant[NUM_NL80211_BANDS];
 715         u8 mgmt_tx_ant;
 716 
 717         /* max number of station keys */
 718         u8 sta_key_max_num;
 719 
 720         bool new_scan_threshold_behaviour;
 721 
 722         bool wowlan;
 723 
 724         /* EEPROM MAC addresses */
 725         struct mac_address addresses[2];
 726 
 727         struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
 728 
 729         __le16 switch_channel;
 730 
 731         u8 start_calib;
 732         struct iwl_sensitivity_data sensitivity_data;
 733         struct iwl_chain_noise_data chain_noise_data;
 734         __le16 sensitivity_tbl[HD_TABLE_SIZE];
 735         __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
 736 
 737         struct iwl_ht_config current_ht_config;
 738 
 739         /* Rate scaling data */
 740         u8 retry_rate;
 741 
 742         int activity_timer_active;
 743 
 744         struct iwl_power_mgr power_data;
 745         struct iwl_tt_mgmt thermal_throttle;
 746 
 747         /* station table variables */
 748         int num_stations;
 749         struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
 750         unsigned long ucode_key_table;
 751         struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
 752         atomic_t num_aux_in_flight;
 753 
 754         u8 mac80211_registered;
 755 
 756         /* Indication if ieee80211_ops->open has been called */
 757         u8 is_open;
 758 
 759         enum nl80211_iftype iw_mode;
 760 
 761         /* Last Rx'd beacon timestamp */
 762         u64 timestamp;
 763 
 764         struct {
 765                 __le32 flag;
 766                 struct statistics_general_common common;
 767                 struct statistics_rx_non_phy rx_non_phy;
 768                 struct statistics_rx_phy rx_ofdm;
 769                 struct statistics_rx_ht_phy rx_ofdm_ht;
 770                 struct statistics_rx_phy rx_cck;
 771                 struct statistics_tx tx;
 772 #ifdef CONFIG_IWLWIFI_DEBUGFS
 773                 struct statistics_bt_activity bt_activity;
 774                 __le32 num_bt_kills, accum_num_bt_kills;
 775 #endif
 776                 spinlock_t lock;
 777         } statistics;
 778 #ifdef CONFIG_IWLWIFI_DEBUGFS
 779         struct {
 780                 struct statistics_general_common common;
 781                 struct statistics_rx_non_phy rx_non_phy;
 782                 struct statistics_rx_phy rx_ofdm;
 783                 struct statistics_rx_ht_phy rx_ofdm_ht;
 784                 struct statistics_rx_phy rx_cck;
 785                 struct statistics_tx tx;
 786                 struct statistics_bt_activity bt_activity;
 787         } accum_stats, delta_stats, max_delta_stats;
 788 #endif
 789 
 790         /*
 791          * reporting the number of tids has AGG on. 0 means
 792          * no AGGREGATION
 793          */
 794         u8 agg_tids_count;
 795 
 796         struct iwl_rx_phy_res last_phy_res;
 797         u32 ampdu_ref;
 798         bool last_phy_res_valid;
 799 
 800         /*
 801          * chain noise reset and gain commands are the
 802          * two extra calibration commands follows the standard
 803          * phy calibration commands
 804          */
 805         u8 phy_calib_chain_noise_reset_cmd;
 806         u8 phy_calib_chain_noise_gain_cmd;
 807 
 808         /* counts reply_tx error */
 809         struct reply_tx_error_statistics reply_tx_stats;
 810         struct reply_agg_tx_error_statistics reply_agg_tx_stats;
 811 
 812         /* bt coex */
 813         u8 bt_enable_flag;
 814         u8 bt_status;
 815         u8 bt_traffic_load, last_bt_traffic_load;
 816         bool bt_ch_announce;
 817         bool bt_full_concurrent;
 818         bool bt_ant_couple_ok;
 819         __le32 kill_ack_mask;
 820         __le32 kill_cts_mask;
 821         __le16 bt_valid;
 822         bool reduced_txpower;
 823         u16 bt_on_thresh;
 824         u16 bt_duration;
 825         u16 dynamic_frag_thresh;
 826         u8 bt_ci_compliance;
 827         struct work_struct bt_traffic_change_work;
 828         bool bt_enable_pspoll;
 829         struct iwl_rxon_context *cur_rssi_ctx;
 830         bool bt_is_sco;
 831 
 832         struct work_struct restart;
 833         struct work_struct scan_completed;
 834         struct work_struct abort_scan;
 835 
 836         struct work_struct beacon_update;
 837         struct iwl_rxon_context *beacon_ctx;
 838         struct sk_buff *beacon_skb;
 839         void *beacon_cmd;
 840 
 841         struct work_struct tt_work;
 842         struct work_struct ct_enter;
 843         struct work_struct ct_exit;
 844         struct work_struct start_internal_scan;
 845         struct work_struct tx_flush;
 846         struct work_struct bt_full_concurrency;
 847         struct work_struct bt_runtime_config;
 848 
 849         struct delayed_work scan_check;
 850 
 851         /* TX Power settings */
 852         s8 tx_power_user_lmt;
 853         s8 tx_power_next;
 854 
 855 #ifdef CONFIG_IWLWIFI_DEBUGFS
 856         /* debugfs */
 857         struct dentry *debugfs_dir;
 858         u32 dbgfs_sram_offset, dbgfs_sram_len;
 859         bool disable_ht40;
 860         void *wowlan_sram;
 861 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 862 
 863         struct iwl_nvm_data *nvm_data;
 864         /* eeprom blob for debugfs */
 865         u8 *eeprom_blob;
 866         size_t eeprom_blob_size;
 867 
 868         struct work_struct txpower_work;
 869         u32 calib_disabled;
 870         struct work_struct run_time_calib_work;
 871         struct timer_list statistics_periodic;
 872         struct timer_list ucode_trace;
 873 
 874         struct iwl_event_log event_log;
 875 
 876 #ifdef CONFIG_IWLWIFI_LEDS
 877         struct led_classdev led;
 878         unsigned long blink_on, blink_off;
 879         bool led_registered;
 880 #endif
 881 
 882         /* WoWLAN GTK rekey data */
 883         u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 884         __le64 replay_ctr;
 885         __le16 last_seq_ctl;
 886         bool have_rekey_data;
 887 #ifdef CONFIG_PM_SLEEP
 888         struct wiphy_wowlan_support wowlan_support;
 889 #endif
 890 
 891         /* device_pointers: pointers to ucode event tables */
 892         struct {
 893                 u32 error_event_table;
 894                 u32 log_event_table;
 895         } device_pointers;
 896 
 897         /* indicator of loaded ucode image */
 898         enum iwl_ucode_type cur_ucode;
 899 }; /*iwl_priv */
 900 
 901 static inline struct iwl_rxon_context *
 902 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
 903 {
 904         struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
 905 
 906         return vif_priv->ctx;
 907 }
 908 
 909 #define for_each_context(priv, ctx)                             \
 910         for (ctx = &priv->contexts[IWL_RXON_CTX_BSS];           \
 911              ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++)    \
 912                 if (priv->valid_contexts & BIT(ctx->ctxid))
 913 
 914 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
 915 {
 916         return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
 917 }
 918 
 919 static inline int iwl_is_associated(struct iwl_priv *priv,
 920                                     enum iwl_rxon_context_id ctxid)
 921 {
 922         return iwl_is_associated_ctx(&priv->contexts[ctxid]);
 923 }
 924 
 925 static inline int iwl_is_any_associated(struct iwl_priv *priv)
 926 {
 927         struct iwl_rxon_context *ctx;
 928         for_each_context(priv, ctx)
 929                 if (iwl_is_associated_ctx(ctx))
 930                         return true;
 931         return false;
 932 }
 933 
 934 #endif                          /* __iwl_dev_h__ */
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