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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  *  Intel Linux Wireless <ilw@linux.intel.com>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  *****************************************************************************/
  26 /*
  27  * Please use this file (dev.h) for driver implementation definitions.
  28  * Please use commands.h for uCode API definitions.
  29  */
  30
  31 #ifndef __iwl_dev_h__
  32 #define __iwl_dev_h__
  33
  34 #include <linux/interrupt.h>
  35 #include <linux/kernel.h>
  36 #include <linux/wait.h>
  37 #include <linux/leds.h>
  38 #include <linux/slab.h>
  39 #include <linux/mutex.h>
  40
  41 #include "iwl-fw.h"
  42 #include "iwl-eeprom-parse.h"
  43 #include "iwl-csr.h"
  44 #include "iwl-debug.h"
  45 #include "iwl-agn-hw.h"
  46 #include "iwl-op-mode.h"
  47 #include "iwl-notif-wait.h"
  48 #include "iwl-trans.h"
  49
  50 #include "led.h"
  51 #include "power.h"
  52 #include "rs.h"
  53 #include "tt.h"
  54
  55 /* CT-KILL constants */
  56 #define CT_KILL_THRESHOLD_LEGACY   110 /* in Celsius */
  57 #define CT_KILL_THRESHOLD          114 /* in Celsius */
  58 #define CT_KILL_EXIT_THRESHOLD     95  /* in Celsius */
  59
  60 /* Default noise level to report when noise measurement is not available.
  61  *   This may be because we're:
  62  *   1)  Not associated  no beacon statistics being sent to driver)
  63  *   2)  Scanning (noise measurement does not apply to associated channel)
  64  * Use default noise value of -127 ... this is below the range of measurable
  65  *   Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
  66  *   Also, -127 works better than 0 when averaging frames with/without
  67  *   noise info (e.g. averaging might be done in app); measured dBm values are
  68  *   always negative ... using a negative value as the default keeps all
  69  *   averages within an s8's (used in some apps) range of negative values. */
  70 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
  71
  72 /*
  73  * RTS threshold here is total size [2347] minus 4 FCS bytes
  74  * Per spec:
  75  *   a value of 0 means RTS on all data/management packets
  76  *   a value > max MSDU size means no RTS
  77  * else RTS for data/management frames where MPDU is larger
  78  *   than RTS value.
  79  */
  80 #define DEFAULT_RTS_THRESHOLD     2347U
  81 #define MIN_RTS_THRESHOLD         0U
  82 #define MAX_RTS_THRESHOLD         2347U
  83 #define MAX_MSDU_SIZE             2304U
  84 #define MAX_MPDU_SIZE             2346U
  85 #define DEFAULT_BEACON_INTERVAL   200U
  86 #define DEFAULT_SHORT_RETRY_LIMIT 7U
  87 #define DEFAULT_LONG_RETRY_LIMIT  4U
  88
  89 #define IWL_NUM_SCAN_RATES         (2)
  90
  91
  92 #define IEEE80211_DATA_LEN              2304
  93 #define IEEE80211_4ADDR_LEN             30
  94 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
  95 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
  96
  97 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
  98 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
  99 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
 100
 101 #define IWL_SUPPORTED_RATES_IE_LEN         8
 102
 103 #define IWL_INVALID_RATE     0xFF
 104 #define IWL_INVALID_VALUE    -1
 105
 106 union iwl_ht_rate_supp {
 107         u16 rates;
 108         struct {
 109                 u8 siso_rate;
 110                 u8 mimo_rate;
 111         };
 112 };
 113
 114 struct iwl_ht_config {
 115         bool single_chain_sufficient;
 116         enum ieee80211_smps_mode smps; /* current smps mode */
 117 };
 118
 119 /* QoS structures */
 120 struct iwl_qos_info {
 121         int qos_active;
 122         struct iwl_qosparam_cmd def_qos_parm;
 123 };
 124
 125 /**
 126  * enum iwl_agg_state
 127  *
 128  * The state machine of the BA agreement establishment / tear down.
 129  * These states relate to a specific RA / TID.
 130  *
 131  * @IWL_AGG_OFF: aggregation is not used
 132  * @IWL_AGG_STARTING: aggregation are starting (between start and oper)
 133  * @IWL_AGG_ON: aggregation session is up
 134  * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
 135  *      HW queue to be empty from packets for this RA /TID.
 136  * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
 137  *      HW queue to be empty from packets for this RA /TID.
 138  */
 139 enum iwl_agg_state {
 140         IWL_AGG_OFF = 0,
 141         IWL_AGG_STARTING,
 142         IWL_AGG_ON,
 143         IWL_EMPTYING_HW_QUEUE_ADDBA,
 144         IWL_EMPTYING_HW_QUEUE_DELBA,
 145 };
 146
 147 /**
 148  * struct iwl_ht_agg - aggregation state machine
 149
 150  * This structs holds the states for the BA agreement establishment and tear
 151  * down. It also holds the state during the BA session itself. This struct is
 152  * duplicated for each RA / TID.
 153
 154  * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
 155  *      Tx response (REPLY_TX), and the block ack notification
 156  *      (REPLY_COMPRESSED_BA).
 157  * @state: state of the BA agreement establishment / tear down.
 158  * @txq_id: Tx queue used by the BA session
 159  * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
 160  *      the first packet to be sent in legacy HW queue in Tx AGG stop flow.
 161  *      Basically when next_reclaimed reaches ssn, we can tell mac80211 that
 162  *      we are ready to finish the Tx AGG stop / start flow.
 163  * @wait_for_ba: Expect block-ack before next Tx reply
 164  */
 165 struct iwl_ht_agg {
 166         u32 rate_n_flags;
 167         enum iwl_agg_state state;
 168         u16 txq_id;
 169         u16 ssn;
 170         bool wait_for_ba;
 171 };
 172
 173 /**
 174  * struct iwl_tid_data - one for each RA / TID
 175
 176  * This structs holds the states for each RA / TID.
 177
 178  * @seq_number: the next WiFi sequence number to use
 179  * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
 180  *      This is basically (last acked packet++).
 181  * @agg: aggregation state machine
 182  */
 183 struct iwl_tid_data {
 184         u16 seq_number;
 185         u16 next_reclaimed;
 186         struct iwl_ht_agg agg;
 187 };
 188
 189 /*
 190  * Structure should be accessed with sta_lock held. When station addition
 191  * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
 192  * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
 193  * held.
 194  */
 195 struct iwl_station_entry {
 196         struct iwl_addsta_cmd sta;
 197         u8 used, ctxid;
 198         struct iwl_link_quality_cmd *lq;
 199 };
 200
 201 /*
 202  * iwl_station_priv: Driver's private station information
 203  *
 204  * When mac80211 creates a station it reserves some space (hw->sta_data_size)
 205  * in the structure for use by driver. This structure is places in that
 206  * space.
 207  */
 208 struct iwl_station_priv {
 209         struct iwl_rxon_context *ctx;
 210         struct iwl_lq_sta lq_sta;
 211         atomic_t pending_frames;
 212         bool client;
 213         bool asleep;
 214         u8 max_agg_bufsize;
 215         u8 sta_id;
 216 };
 217
 218 /**
 219  * struct iwl_vif_priv - driver's private per-interface information
 220  *
 221  * When mac80211 allocates a virtual interface, it can allocate
 222  * space for us to put data into.
 223  */
 224 struct iwl_vif_priv {
 225         struct iwl_rxon_context *ctx;
 226         u8 ibss_bssid_sta_id;
 227 };
 228
 229 struct iwl_sensitivity_ranges {
 230         u16 min_nrg_cck;
 231
 232         u16 nrg_th_cck;
 233         u16 nrg_th_ofdm;
 234
 235         u16 auto_corr_min_ofdm;
 236         u16 auto_corr_min_ofdm_mrc;
 237         u16 auto_corr_min_ofdm_x1;
 238         u16 auto_corr_min_ofdm_mrc_x1;
 239
 240         u16 auto_corr_max_ofdm;
 241         u16 auto_corr_max_ofdm_mrc;
 242         u16 auto_corr_max_ofdm_x1;
 243         u16 auto_corr_max_ofdm_mrc_x1;
 244
 245         u16 auto_corr_max_cck;
 246         u16 auto_corr_max_cck_mrc;
 247         u16 auto_corr_min_cck;
 248         u16 auto_corr_min_cck_mrc;
 249
 250         u16 barker_corr_th_min;
 251         u16 barker_corr_th_min_mrc;
 252         u16 nrg_th_cca;
 253 };
 254
 255
 256 #define KELVIN_TO_CELSIUS(x) ((x)-273)
 257 #define CELSIUS_TO_KELVIN(x) ((x)+273)
 258
 259
 260 /******************************************************************************
 261  *
 262  * Functions implemented in core module which are forward declared here
 263  * for use by iwl-[4-5].c
 264  *
 265  * NOTE:  The implementation of these functions are not hardware specific
 266  * which is why they are in the core module files.
 267  *
 268  * Naming convention --
 269  * iwl_         <-- Is part of iwlwifi
 270  * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
 271  *
 272  ****************************************************************************/
 273 void iwl_update_chain_flags(struct iwl_priv *priv);
 274 extern const u8 iwl_bcast_addr[ETH_ALEN];
 275
 276 #define IWL_OPERATION_MODE_AUTO     0
 277 #define IWL_OPERATION_MODE_HT_ONLY  1
 278 #define IWL_OPERATION_MODE_MIXED    2
 279 #define IWL_OPERATION_MODE_20MHZ    3
 280
 281 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
 282
 283 /* Sensitivity and chain noise calibration */
 284 #define INITIALIZATION_VALUE            0xFFFF
 285 #define IWL_CAL_NUM_BEACONS             16
 286 #define MAXIMUM_ALLOWED_PATHLOSS        15
 287
 288 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
 289
 290 #define MAX_FA_OFDM  50
 291 #define MIN_FA_OFDM  5
 292 #define MAX_FA_CCK   50
 293 #define MIN_FA_CCK   5
 294
 295 #define AUTO_CORR_STEP_OFDM       1
 296
 297 #define AUTO_CORR_STEP_CCK     3
 298 #define AUTO_CORR_MAX_TH_CCK   160
 299
 300 #define NRG_DIFF               2
 301 #define NRG_STEP_CCK           2
 302 #define NRG_MARGIN             8
 303 #define MAX_NUMBER_CCK_NO_FA 100
 304
 305 #define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
 306
 307 #define CHAIN_A             0
 308 #define CHAIN_B             1
 309 #define CHAIN_C             2
 310 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
 311 #define ALL_BAND_FILTER                 0xFF00
 312 #define IN_BAND_FILTER                  0xFF
 313 #define MIN_AVERAGE_NOISE_MAX_VALUE     0xFFFFFFFF
 314
 315 #define NRG_NUM_PREV_STAT_L     20
 316 #define NUM_RX_CHAINS           3
 317
 318 enum iwlagn_false_alarm_state {
 319         IWL_FA_TOO_MANY = 0,
 320         IWL_FA_TOO_FEW = 1,
 321         IWL_FA_GOOD_RANGE = 2,
 322 };
 323
 324 enum iwlagn_chain_noise_state {
 325         IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
 326         IWL_CHAIN_NOISE_ACCUMULATE,
 327         IWL_CHAIN_NOISE_CALIBRATED,
 328         IWL_CHAIN_NOISE_DONE,
 329 };
 330
 331 /* Sensitivity calib data */
 332 struct iwl_sensitivity_data {
 333         u32 auto_corr_ofdm;
 334         u32 auto_corr_ofdm_mrc;
 335         u32 auto_corr_ofdm_x1;
 336         u32 auto_corr_ofdm_mrc_x1;
 337         u32 auto_corr_cck;
 338         u32 auto_corr_cck_mrc;
 339
 340         u32 last_bad_plcp_cnt_ofdm;
 341         u32 last_fa_cnt_ofdm;
 342         u32 last_bad_plcp_cnt_cck;
 343         u32 last_fa_cnt_cck;
 344
 345         u32 nrg_curr_state;
 346         u32 nrg_prev_state;
 347         u32 nrg_value[10];
 348         u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
 349         u32 nrg_silence_ref;
 350         u32 nrg_energy_idx;
 351         u32 nrg_silence_idx;
 352         u32 nrg_th_cck;
 353         s32 nrg_auto_corr_silence_diff;
 354         u32 num_in_cck_no_fa;
 355         u32 nrg_th_ofdm;
 356
 357         u16 barker_corr_th_min;
 358         u16 barker_corr_th_min_mrc;
 359         u16 nrg_th_cca;
 360 };
 361
 362 /* Chain noise (differential Rx gain) calib data */
 363 struct iwl_chain_noise_data {
 364         u32 active_chains;
 365         u32 chain_noise_a;
 366         u32 chain_noise_b;
 367         u32 chain_noise_c;
 368         u32 chain_signal_a;
 369         u32 chain_signal_b;
 370         u32 chain_signal_c;
 371         u16 beacon_count;
 372         u8 disconn_array[NUM_RX_CHAINS];
 373         u8 delta_gain_code[NUM_RX_CHAINS];
 374         u8 radio_write;
 375         u8 state;
 376 };
 377
 378 enum {
 379         MEASUREMENT_READY = (1 << 0),
 380         MEASUREMENT_ACTIVE = (1 << 1),
 381 };
 382
 383 /* reply_tx_statistics (for _agn devices) */
 384 struct reply_tx_error_statistics {
 385         u32 pp_delay;
 386         u32 pp_few_bytes;
 387         u32 pp_bt_prio;
 388         u32 pp_quiet_period;
 389         u32 pp_calc_ttak;
 390         u32 int_crossed_retry;
 391         u32 short_limit;
 392         u32 long_limit;
 393         u32 fifo_underrun;
 394         u32 drain_flow;
 395         u32 rfkill_flush;
 396         u32 life_expire;
 397         u32 dest_ps;
 398         u32 host_abort;
 399         u32 bt_retry;
 400         u32 sta_invalid;
 401         u32 frag_drop;
 402         u32 tid_disable;
 403         u32 fifo_flush;
 404         u32 insuff_cf_poll;
 405         u32 fail_hw_drop;
 406         u32 sta_color_mismatch;
 407         u32 unknown;
 408 };
 409
 410 /* reply_agg_tx_statistics (for _agn devices) */
 411 struct reply_agg_tx_error_statistics {
 412         u32 underrun;
 413         u32 bt_prio;
 414         u32 few_bytes;
 415         u32 abort;
 416         u32 last_sent_ttl;
 417         u32 last_sent_try;
 418         u32 last_sent_bt_kill;
 419         u32 scd_query;
 420         u32 bad_crc32;
 421         u32 response;
 422         u32 dump_tx;
 423         u32 delay_tx;
 424         u32 unknown;
 425 };
 426
 427 /*
 428  * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
 429  * to perform continuous uCode event logging operation if enabled
 430  */
 431 #define UCODE_TRACE_PERIOD (10)
 432
 433 /*
 434  * iwl_event_log: current uCode event log position
 435  *
 436  * @ucode_trace: enable/disable ucode continuous trace timer
 437  * @num_wraps: how many times the event buffer wraps
 438  * @next_entry:  the entry just before the next one that uCode would fill
 439  * @non_wraps_count: counter for no wrap detected when dump ucode events
 440  * @wraps_once_count: counter for wrap once detected when dump ucode events
 441  * @wraps_more_count: counter for wrap more than once detected
 442  *                    when dump ucode events
 443  */
 444 struct iwl_event_log {
 445         bool ucode_trace;
 446         u32 num_wraps;
 447         u32 next_entry;
 448         int non_wraps_count;
 449         int wraps_once_count;
 450         int wraps_more_count;
 451 };
 452
 453 #define IWL_DELAY_NEXT_FORCE_RF_RESET  (HZ*3)
 454
 455 /* BT Antenna Coupling Threshold (dB) */
 456 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD       (35)
 457
 458 /* Firmware reload counter and Timestamp */
 459 #define IWL_MIN_RELOAD_DURATION         1000 /* 1000 ms */
 460 #define IWL_MAX_CONTINUE_RELOAD_CNT     4
 461
 462
 463 struct iwl_rf_reset {
 464         int reset_request_count;
 465         int reset_success_count;
 466         int reset_reject_count;
 467         unsigned long last_reset_jiffies;
 468 };
 469
 470 enum iwl_rxon_context_id {
 471         IWL_RXON_CTX_BSS,
 472         IWL_RXON_CTX_PAN,
 473
 474         NUM_IWL_RXON_CTX
 475 };
 476
 477 /* extend beacon time format bit shifting  */
 478 /*
 479  * for _agn devices
 480  * bits 31:22 - extended
 481  * bits 21:0  - interval
 482  */
 483 #define IWLAGN_EXT_BEACON_TIME_POS      22
 484
 485 struct iwl_rxon_context {
 486         struct ieee80211_vif *vif;
 487
 488         u8 mcast_queue;
 489         u8 ac_to_queue[IEEE80211_NUM_ACS];
 490         u8 ac_to_fifo[IEEE80211_NUM_ACS];
 491
 492         /*
 493          * We could use the vif to indicate active, but we
 494          * also need it to be active during disabling when
 495          * we already removed the vif for type setting.
 496          */
 497         bool always_active, is_active;
 498
 499         bool ht_need_multiple_chains;
 500
 501         enum iwl_rxon_context_id ctxid;
 502
 503         u32 interface_modes, exclusive_interface_modes;
 504         u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
 505
 506         /*
 507          * We declare this const so it can only be
 508          * changed via explicit cast within the
 509          * routines that actually update the physical
 510          * hardware.
 511          */
 512         const struct iwl_rxon_cmd active;
 513         struct iwl_rxon_cmd staging;
 514
 515         struct iwl_rxon_time_cmd timing;
 516
 517         struct iwl_qos_info qos_data;
 518
 519         u8 bcast_sta_id, ap_sta_id;
 520
 521         u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
 522         u8 qos_cmd;
 523         u8 wep_key_cmd;
 524
 525         struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
 526         u8 key_mapping_keys;
 527
 528         __le32 station_flags;
 529
 530         int beacon_int;
 531
 532         struct {
 533                 bool non_gf_sta_present;
 534                 u8 protection;
 535                 bool enabled, is_40mhz;
 536                 u8 extension_chan_offset;
 537         } ht;
 538 };
 539
 540 enum iwl_scan_type {
 541         IWL_SCAN_NORMAL,
 542         IWL_SCAN_RADIO_RESET,
 543 };
 544
 545 /**
 546  * struct iwl_hw_params
 547  *
 548  * Holds the module parameters
 549  *
 550  * @tx_chains_num: Number of TX chains
 551  * @rx_chains_num: Number of RX chains
 552  * @ct_kill_threshold: temperature threshold - in hw dependent unit
 553  * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
 554  *      relevant for 1000, 6000 and up
 555  * @struct iwl_sensitivity_ranges: range of sensitivity values
 556  * @use_rts_for_aggregation: use rts/cts protection for HT traffic
 557  */
 558 struct iwl_hw_params {
 559         u8  tx_chains_num;
 560         u8  rx_chains_num;
 561         bool use_rts_for_aggregation;
 562         u32 ct_kill_threshold;
 563         u32 ct_kill_exit_threshold;
 564
 565         const struct iwl_sensitivity_ranges *sens;
 566 };
 567
 568 /**
 569  * struct iwl_dvm_bt_params - DVM specific BT (coex) parameters
 570  * @advanced_bt_coexist: support advanced bt coexist
 571  * @bt_init_traffic_load: specify initial bt traffic load
 572  * @bt_prio_boost: default bt priority boost value
 573  * @agg_time_limit: maximum number of uSec in aggregation
 574  * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode
 575  */
 576 struct iwl_dvm_bt_params {
 577         bool advanced_bt_coexist;
 578         u8 bt_init_traffic_load;
 579         u32 bt_prio_boost;
 580         u16 agg_time_limit;
 581         bool bt_sco_disable;
 582         bool bt_session_2;
 583 };
 584
 585 /**
 586  * struct iwl_dvm_cfg - DVM firmware specific device configuration
 587  * @set_hw_params: set hardware parameters
 588  * @set_channel_switch: send channel switch command
 589  * @nic_config: apply device specific configuration
 590  * @temperature: read temperature
 591  * @adv_thermal_throttle: support advance thermal throttle
 592  * @support_ct_kill_exit: support ct kill exit condition
 593  * @plcp_delta_threshold: plcp error rate threshold used to trigger
 594  *      radio tuning when there is a high receiving plcp error rate
 595  * @chain_noise_scale: default chain noise scale used for gain computation
 596  * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
 597  * @no_idle_support: do not support idle mode
 598  * @bt_params: pointer to BT parameters
 599  * @need_temp_offset_calib: need to perform temperature offset calibration
 600  * @no_xtal_calib: some devices do not need crystal calibration data,
 601  *      don't send it to those
 602  * @temp_offset_v2: support v2 of temperature offset calibration
 603  * @adv_pm: advanced power management
 604  */
 605 struct iwl_dvm_cfg {
 606         void (*set_hw_params)(struct iwl_priv *priv);
 607         int (*set_channel_switch)(struct iwl_priv *priv,
 608                                   struct ieee80211_channel_switch *ch_switch);
 609         void (*nic_config)(struct iwl_priv *priv);
 610         void (*temperature)(struct iwl_priv *priv);
 611
 612         const struct iwl_dvm_bt_params *bt_params;
 613         s32 chain_noise_scale;
 614         u8 plcp_delta_threshold;
 615         bool adv_thermal_throttle;
 616         bool support_ct_kill_exit;
 617         bool hd_v2;
 618         bool no_idle_support;
 619         bool need_temp_offset_calib;
 620         bool no_xtal_calib;
 621         bool temp_offset_v2;
 622         bool adv_pm;
 623 };
 624
 625 struct iwl_wipan_noa_data {
 626         struct rcu_head rcu_head;
 627         u32 length;
 628         u8 data[];
 629 };
 630
 631 /* Calibration disabling bit mask */
 632 enum {
 633         IWL_CALIB_ENABLE_ALL                    = 0,
 634
 635         IWL_SENSITIVITY_CALIB_DISABLED          = BIT(0),
 636         IWL_CHAIN_NOISE_CALIB_DISABLED          = BIT(1),
 637         IWL_TX_POWER_CALIB_DISABLED             = BIT(2),
 638
 639         IWL_CALIB_DISABLE_ALL                   = 0xFFFFFFFF,
 640 };
 641
 642 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
 643         ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
 644
 645 #define IWL_MAC80211_GET_DVM(_hw) \
 646         ((struct iwl_priv *) ((struct iwl_op_mode *) \
 647         (_hw)->priv)->op_mode_specific)
 648
 649 struct iwl_priv {
 650
 651         struct iwl_trans *trans;
 652         struct device *dev;             /* for debug prints only */
 653         const struct iwl_cfg *cfg;
 654         const struct iwl_fw *fw;
 655         const struct iwl_dvm_cfg *lib;
 656         unsigned long status;
 657
 658         spinlock_t sta_lock;
 659         struct mutex mutex;
 660
 661         unsigned long transport_queue_stop;
 662         bool passive_no_rx;
 663 #define IWL_INVALID_MAC80211_QUEUE      0xff
 664         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 665         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 666
 667         unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
 668
 669         /* ieee device used by generic ieee processing code */
 670         struct ieee80211_hw *hw;
 671
 672         struct napi_struct *napi;
 673
 674         struct list_head calib_results;
 675
 676         struct workqueue_struct *workqueue;
 677
 678         struct iwl_hw_params hw_params;
 679
 680         enum ieee80211_band band;
 681         u8 valid_contexts;
 682
 683         void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
 684                                        struct iwl_rx_cmd_buffer *rxb);
 685
 686         struct iwl_notif_wait_data notif_wait;
 687
 688         /* spectrum measurement report caching */
 689         struct iwl_spectrum_notification measure_report;
 690         u8 measurement_status;
 691
 692         /* ucode beacon time */
 693         u32 ucode_beacon_time;
 694         int missed_beacon_threshold;
 695
 696         /* track IBSS manager (last beacon) status */
 697         u32 ibss_manager;
 698
 699         /* jiffies when last recovery from statistics was performed */
 700         unsigned long rx_statistics_jiffies;
 701
 702         /*counters */
 703         u32 rx_handlers_stats[REPLY_MAX];
 704
 705         /* rf reset */
 706         struct iwl_rf_reset rf_reset;
 707
 708         /* firmware reload counter and timestamp */
 709         unsigned long reload_jiffies;
 710         int reload_count;
 711         bool ucode_loaded;
 712
 713         u8 plcp_delta_threshold;
 714
 715         /* thermal calibration */
 716         s32 temperature;        /* Celsius */
 717         s32 last_temperature;
 718
 719         struct iwl_wipan_noa_data __rcu *noa_data;
 720
 721         /* Scan related variables */
 722         unsigned long scan_start;
 723         unsigned long scan_start_tsf;
 724         void *scan_cmd;
 725         enum ieee80211_band scan_band;
 726         struct cfg80211_scan_request *scan_request;
 727         struct ieee80211_vif *scan_vif;
 728         enum iwl_scan_type scan_type;
 729         u8 scan_tx_ant[IEEE80211_NUM_BANDS];
 730         u8 mgmt_tx_ant;
 731
 732         /* max number of station keys */
 733         u8 sta_key_max_num;
 734
 735         bool new_scan_threshold_behaviour;
 736
 737         bool wowlan;
 738
 739         /* EEPROM MAC addresses */
 740         struct mac_address addresses[2];
 741
 742         struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
 743
 744         __le16 switch_channel;
 745
 746         u8 start_calib;
 747         struct iwl_sensitivity_data sensitivity_data;
 748         struct iwl_chain_noise_data chain_noise_data;
 749         __le16 sensitivity_tbl[HD_TABLE_SIZE];
 750         __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
 751
 752         struct iwl_ht_config current_ht_config;
 753
 754         /* Rate scaling data */
 755         u8 retry_rate;
 756
 757         int activity_timer_active;
 758
 759         struct iwl_power_mgr power_data;
 760         struct iwl_tt_mgmt thermal_throttle;
 761
 762         /* station table variables */
 763         int num_stations;
 764         struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
 765         unsigned long ucode_key_table;
 766         struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
 767         atomic_t num_aux_in_flight;
 768
 769         u8 mac80211_registered;
 770
 771         /* Indication if ieee80211_ops->open has been called */
 772         u8 is_open;
 773
 774         enum nl80211_iftype iw_mode;
 775
 776         /* Last Rx'd beacon timestamp */
 777         u64 timestamp;
 778
 779         struct {
 780                 __le32 flag;
 781                 struct statistics_general_common common;
 782                 struct statistics_rx_non_phy rx_non_phy;
 783                 struct statistics_rx_phy rx_ofdm;
 784                 struct statistics_rx_ht_phy rx_ofdm_ht;
 785                 struct statistics_rx_phy rx_cck;
 786                 struct statistics_tx tx;
 787 #ifdef CONFIG_IWLWIFI_DEBUGFS
 788                 struct statistics_bt_activity bt_activity;
 789                 __le32 num_bt_kills, accum_num_bt_kills;
 790 #endif
 791                 spinlock_t lock;
 792         } statistics;
 793 #ifdef CONFIG_IWLWIFI_DEBUGFS
 794         struct {
 795                 struct statistics_general_common common;
 796                 struct statistics_rx_non_phy rx_non_phy;
 797                 struct statistics_rx_phy rx_ofdm;
 798                 struct statistics_rx_ht_phy rx_ofdm_ht;
 799                 struct statistics_rx_phy rx_cck;
 800                 struct statistics_tx tx;
 801                 struct statistics_bt_activity bt_activity;
 802         } accum_stats, delta_stats, max_delta_stats;
 803 #endif
 804
 805         /*
 806          * reporting the number of tids has AGG on. 0 means
 807          * no AGGREGATION
 808          */
 809         u8 agg_tids_count;
 810
 811         struct iwl_rx_phy_res last_phy_res;
 812         u32 ampdu_ref;
 813         bool last_phy_res_valid;
 814
 815         /*
 816          * chain noise reset and gain commands are the
 817          * two extra calibration commands follows the standard
 818          * phy calibration commands
 819          */
 820         u8 phy_calib_chain_noise_reset_cmd;
 821         u8 phy_calib_chain_noise_gain_cmd;
 822
 823         /* counts reply_tx error */
 824         struct reply_tx_error_statistics reply_tx_stats;
 825         struct reply_agg_tx_error_statistics reply_agg_tx_stats;
 826
 827         /* bt coex */
 828         u8 bt_enable_flag;
 829         u8 bt_status;
 830         u8 bt_traffic_load, last_bt_traffic_load;
 831         bool bt_ch_announce;
 832         bool bt_full_concurrent;
 833         bool bt_ant_couple_ok;
 834         __le32 kill_ack_mask;
 835         __le32 kill_cts_mask;
 836         __le16 bt_valid;
 837         bool reduced_txpower;
 838         u16 bt_on_thresh;
 839         u16 bt_duration;
 840         u16 dynamic_frag_thresh;
 841         u8 bt_ci_compliance;
 842         struct work_struct bt_traffic_change_work;
 843         bool bt_enable_pspoll;
 844         struct iwl_rxon_context *cur_rssi_ctx;
 845         bool bt_is_sco;
 846
 847         struct work_struct restart;
 848         struct work_struct scan_completed;
 849         struct work_struct abort_scan;
 850
 851         struct work_struct beacon_update;
 852         struct iwl_rxon_context *beacon_ctx;
 853         struct sk_buff *beacon_skb;
 854         void *beacon_cmd;
 855
 856         struct work_struct tt_work;
 857         struct work_struct ct_enter;
 858         struct work_struct ct_exit;
 859         struct work_struct start_internal_scan;
 860         struct work_struct tx_flush;
 861         struct work_struct bt_full_concurrency;
 862         struct work_struct bt_runtime_config;
 863
 864         struct delayed_work scan_check;
 865
 866         /* TX Power settings */
 867         s8 tx_power_user_lmt;
 868         s8 tx_power_next;
 869
 870 #ifdef CONFIG_IWLWIFI_DEBUGFS
 871         /* debugfs */
 872         struct dentry *debugfs_dir;
 873         u32 dbgfs_sram_offset, dbgfs_sram_len;
 874         bool disable_ht40;
 875         void *wowlan_sram;
 876 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 877
 878         struct iwl_nvm_data *nvm_data;
 879         /* eeprom blob for debugfs */
 880         u8 *eeprom_blob;
 881         size_t eeprom_blob_size;
 882
 883         struct work_struct txpower_work;
 884         u32 calib_disabled;
 885         struct work_struct run_time_calib_work;
 886         struct timer_list statistics_periodic;
 887         struct timer_list ucode_trace;
 888
 889         struct iwl_event_log event_log;
 890
 891 #ifdef CONFIG_IWLWIFI_LEDS
 892         struct led_classdev led;
 893         unsigned long blink_on, blink_off;
 894         bool led_registered;
 895 #endif
 896
 897         /* WoWLAN GTK rekey data */
 898         u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 899         __le64 replay_ctr;
 900         __le16 last_seq_ctl;
 901         bool have_rekey_data;
 902 #ifdef CONFIG_PM_SLEEP
 903         struct wiphy_wowlan_support wowlan_support;
 904 #endif
 905
 906         /* device_pointers: pointers to ucode event tables */
 907         struct {
 908                 u32 error_event_table;
 909                 u32 log_event_table;
 910         } device_pointers;
 911
 912         /* indicator of loaded ucode image */
 913         enum iwl_ucode_type cur_ucode;
 914 }; /*iwl_priv */
 915
 916 static inline struct iwl_rxon_context *
 917 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
 918 {
 919         struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
 920
 921         return vif_priv->ctx;
 922 }
 923
 924 #define for_each_context(priv, ctx)                             \
 925         for (ctx = &priv->contexts[IWL_RXON_CTX_BSS];           \
 926              ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++)    \
 927                 if (priv->valid_contexts & BIT(ctx->ctxid))
 928
 929 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
 930 {
 931         return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
 932 }
 933
 934 static inline int iwl_is_associated(struct iwl_priv *priv,
 935                                     enum iwl_rxon_context_id ctxid)
 936 {
 937         return iwl_is_associated_ctx(&priv->contexts[ctxid]);
 938 }
 939
 940 static inline int iwl_is_any_associated(struct iwl_priv *priv)
 941 {
 942         struct iwl_rxon_context *ctx;
 943         for_each_context(priv, ctx)
 944                 if (iwl_is_associated_ctx(ctx))
 945                         return true;
 946         return false;
 947 }
 948
 949 #endif                          /* __iwl_dev_h__ */