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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2012 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 #include "iwl-test.h"
  56
  57 /* CT-KILL constants */
  58 #define CT_KILL_THRESHOLD_LEGACY   110 /* in Celsius */
  59 #define CT_KILL_THRESHOLD          114 /* in Celsius */
  60 #define CT_KILL_EXIT_THRESHOLD     95  /* in Celsius */
  61
  62 /* Default noise level to report when noise measurement is not available.
  63  *   This may be because we're:
  64  *   1)  Not associated  no beacon statistics being sent to driver)
  65  *   2)  Scanning (noise measurement does not apply to associated channel)
  66  * Use default noise value of -127 ... this is below the range of measurable
  67  *   Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
  68  *   Also, -127 works better than 0 when averaging frames with/without
  69  *   noise info (e.g. averaging might be done in app); measured dBm values are
  70  *   always negative ... using a negative value as the default keeps all
  71  *   averages within an s8's (used in some apps) range of negative values. */
  72 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
  73
  74 /*
  75  * RTS threshold here is total size [2347] minus 4 FCS bytes
  76  * Per spec:
  77  *   a value of 0 means RTS on all data/management packets
  78  *   a value > max MSDU size means no RTS
  79  * else RTS for data/management frames where MPDU is larger
  80  *   than RTS value.
  81  */
  82 #define DEFAULT_RTS_THRESHOLD     2347U
  83 #define MIN_RTS_THRESHOLD         0U
  84 #define MAX_RTS_THRESHOLD         2347U
  85 #define MAX_MSDU_SIZE             2304U
  86 #define MAX_MPDU_SIZE             2346U
  87 #define DEFAULT_BEACON_INTERVAL   200U
  88 #define DEFAULT_SHORT_RETRY_LIMIT 7U
  89 #define DEFAULT_LONG_RETRY_LIMIT  4U
  90
  91 #define IWL_NUM_SCAN_RATES         (2)
  92
  93
  94 #define IEEE80211_DATA_LEN              2304
  95 #define IEEE80211_4ADDR_LEN             30
  96 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
  97 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
  98
  99 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
 100 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
 101 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
 102
 103 #define IWL_SUPPORTED_RATES_IE_LEN         8
 104
 105 #define IWL_INVALID_RATE     0xFF
 106 #define IWL_INVALID_VALUE    -1
 107
 108 union iwl_ht_rate_supp {
 109         u16 rates;
 110         struct {
 111                 u8 siso_rate;
 112                 u8 mimo_rate;
 113         };
 114 };
 115
 116 struct iwl_ht_config {
 117         bool single_chain_sufficient;
 118         enum ieee80211_smps_mode smps; /* current smps mode */
 119 };
 120
 121 /* QoS structures */
 122 struct iwl_qos_info {
 123         int qos_active;
 124         struct iwl_qosparam_cmd def_qos_parm;
 125 };
 126
 127 /**
 128  * enum iwl_agg_state
 129  *
 130  * The state machine of the BA agreement establishment / tear down.
 131  * These states relate to a specific RA / TID.
 132  *
 133  * @IWL_AGG_OFF: aggregation is not used
 134  * @IWL_AGG_STARTING: aggregation are starting (between start and oper)
 135  * @IWL_AGG_ON: aggregation session is up
 136  * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
 137  *      HW queue to be empty from packets for this RA /TID.
 138  * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
 139  *      HW queue to be empty from packets for this RA /TID.
 140  */
 141 enum iwl_agg_state {
 142         IWL_AGG_OFF = 0,
 143         IWL_AGG_STARTING,
 144         IWL_AGG_ON,
 145         IWL_EMPTYING_HW_QUEUE_ADDBA,
 146         IWL_EMPTYING_HW_QUEUE_DELBA,
 147 };
 148
 149 /**
 150  * struct iwl_ht_agg - aggregation state machine
 151
 152  * This structs holds the states for the BA agreement establishment and tear
 153  * down. It also holds the state during the BA session itself. This struct is
 154  * duplicated for each RA / TID.
 155
 156  * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
 157  *      Tx response (REPLY_TX), and the block ack notification
 158  *      (REPLY_COMPRESSED_BA).
 159  * @state: state of the BA agreement establishment / tear down.
 160  * @txq_id: Tx queue used by the BA session
 161  * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
 162  *      the first packet to be sent in legacy HW queue in Tx AGG stop flow.
 163  *      Basically when next_reclaimed reaches ssn, we can tell mac80211 that
 164  *      we are ready to finish the Tx AGG stop / start flow.
 165  * @wait_for_ba: Expect block-ack before next Tx reply
 166  */
 167 struct iwl_ht_agg {
 168         u32 rate_n_flags;
 169         enum iwl_agg_state state;
 170         u16 txq_id;
 171         u16 ssn;
 172         bool wait_for_ba;
 173 };
 174
 175 /**
 176  * struct iwl_tid_data - one for each RA / TID
 177
 178  * This structs holds the states for each RA / TID.
 179
 180  * @seq_number: the next WiFi sequence number to use
 181  * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
 182  *      This is basically (last acked packet++).
 183  * @agg: aggregation state machine
 184  */
 185 struct iwl_tid_data {
 186         u16 seq_number;
 187         u16 next_reclaimed;
 188         struct iwl_ht_agg agg;
 189 };
 190
 191 /*
 192  * Structure should be accessed with sta_lock held. When station addition
 193  * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
 194  * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
 195  * held.
 196  */
 197 struct iwl_station_entry {
 198         struct iwl_addsta_cmd sta;
 199         u8 used, ctxid;
 200         struct iwl_link_quality_cmd *lq;
 201 };
 202
 203 /*
 204  * iwl_station_priv: Driver's private station information
 205  *
 206  * When mac80211 creates a station it reserves some space (hw->sta_data_size)
 207  * in the structure for use by driver. This structure is places in that
 208  * space.
 209  */
 210 struct iwl_station_priv {
 211         struct iwl_rxon_context *ctx;
 212         struct iwl_lq_sta lq_sta;
 213         atomic_t pending_frames;
 214         bool client;
 215         bool asleep;
 216         u8 max_agg_bufsize;
 217         u8 sta_id;
 218 };
 219
 220 /**
 221  * struct iwl_vif_priv - driver's private per-interface information
 222  *
 223  * When mac80211 allocates a virtual interface, it can allocate
 224  * space for us to put data into.
 225  */
 226 struct iwl_vif_priv {
 227         struct iwl_rxon_context *ctx;
 228         u8 ibss_bssid_sta_id;
 229 };
 230
 231 struct iwl_sensitivity_ranges {
 232         u16 min_nrg_cck;
 233
 234         u16 nrg_th_cck;
 235         u16 nrg_th_ofdm;
 236
 237         u16 auto_corr_min_ofdm;
 238         u16 auto_corr_min_ofdm_mrc;
 239         u16 auto_corr_min_ofdm_x1;
 240         u16 auto_corr_min_ofdm_mrc_x1;
 241
 242         u16 auto_corr_max_ofdm;
 243         u16 auto_corr_max_ofdm_mrc;
 244         u16 auto_corr_max_ofdm_x1;
 245         u16 auto_corr_max_ofdm_mrc_x1;
 246
 247         u16 auto_corr_max_cck;
 248         u16 auto_corr_max_cck_mrc;
 249         u16 auto_corr_min_cck;
 250         u16 auto_corr_min_cck_mrc;
 251
 252         u16 barker_corr_th_min;
 253         u16 barker_corr_th_min_mrc;
 254         u16 nrg_th_cca;
 255 };
 256
 257
 258 #define KELVIN_TO_CELSIUS(x) ((x)-273)
 259 #define CELSIUS_TO_KELVIN(x) ((x)+273)
 260
 261
 262 /******************************************************************************
 263  *
 264  * Functions implemented in core module which are forward declared here
 265  * for use by iwl-[4-5].c
 266  *
 267  * NOTE:  The implementation of these functions are not hardware specific
 268  * which is why they are in the core module files.
 269  *
 270  * Naming convention --
 271  * iwl_         <-- Is part of iwlwifi
 272  * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
 273  *
 274  ****************************************************************************/
 275 extern void iwl_update_chain_flags(struct iwl_priv *priv);
 276 extern const u8 iwl_bcast_addr[ETH_ALEN];
 277
 278 #define IWL_OPERATION_MODE_AUTO     0
 279 #define IWL_OPERATION_MODE_HT_ONLY  1
 280 #define IWL_OPERATION_MODE_MIXED    2
 281 #define IWL_OPERATION_MODE_20MHZ    3
 282
 283 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
 284
 285 /* Sensitivity and chain noise calibration */
 286 #define INITIALIZATION_VALUE            0xFFFF
 287 #define IWL_CAL_NUM_BEACONS             16
 288 #define MAXIMUM_ALLOWED_PATHLOSS        15
 289
 290 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
 291
 292 #define MAX_FA_OFDM  50
 293 #define MIN_FA_OFDM  5
 294 #define MAX_FA_CCK   50
 295 #define MIN_FA_CCK   5
 296
 297 #define AUTO_CORR_STEP_OFDM       1
 298
 299 #define AUTO_CORR_STEP_CCK     3
 300 #define AUTO_CORR_MAX_TH_CCK   160
 301
 302 #define NRG_DIFF               2
 303 #define NRG_STEP_CCK           2
 304 #define NRG_MARGIN             8
 305 #define MAX_NUMBER_CCK_NO_FA 100
 306
 307 #define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
 308
 309 #define CHAIN_A             0
 310 #define CHAIN_B             1
 311 #define CHAIN_C             2
 312 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
 313 #define ALL_BAND_FILTER                 0xFF00
 314 #define IN_BAND_FILTER                  0xFF
 315 #define MIN_AVERAGE_NOISE_MAX_VALUE     0xFFFFFFFF
 316
 317 #define NRG_NUM_PREV_STAT_L     20
 318 #define NUM_RX_CHAINS           3
 319
 320 enum iwlagn_false_alarm_state {
 321         IWL_FA_TOO_MANY = 0,
 322         IWL_FA_TOO_FEW = 1,
 323         IWL_FA_GOOD_RANGE = 2,
 324 };
 325
 326 enum iwlagn_chain_noise_state {
 327         IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
 328         IWL_CHAIN_NOISE_ACCUMULATE,
 329         IWL_CHAIN_NOISE_CALIBRATED,
 330         IWL_CHAIN_NOISE_DONE,
 331 };
 332
 333 /* Sensitivity calib data */
 334 struct iwl_sensitivity_data {
 335         u32 auto_corr_ofdm;
 336         u32 auto_corr_ofdm_mrc;
 337         u32 auto_corr_ofdm_x1;
 338         u32 auto_corr_ofdm_mrc_x1;
 339         u32 auto_corr_cck;
 340         u32 auto_corr_cck_mrc;
 341
 342         u32 last_bad_plcp_cnt_ofdm;
 343         u32 last_fa_cnt_ofdm;
 344         u32 last_bad_plcp_cnt_cck;
 345         u32 last_fa_cnt_cck;
 346
 347         u32 nrg_curr_state;
 348         u32 nrg_prev_state;
 349         u32 nrg_value[10];
 350         u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
 351         u32 nrg_silence_ref;
 352         u32 nrg_energy_idx;
 353         u32 nrg_silence_idx;
 354         u32 nrg_th_cck;
 355         s32 nrg_auto_corr_silence_diff;
 356         u32 num_in_cck_no_fa;
 357         u32 nrg_th_ofdm;
 358
 359         u16 barker_corr_th_min;
 360         u16 barker_corr_th_min_mrc;
 361         u16 nrg_th_cca;
 362 };
 363
 364 /* Chain noise (differential Rx gain) calib data */
 365 struct iwl_chain_noise_data {
 366         u32 active_chains;
 367         u32 chain_noise_a;
 368         u32 chain_noise_b;
 369         u32 chain_noise_c;
 370         u32 chain_signal_a;
 371         u32 chain_signal_b;
 372         u32 chain_signal_c;
 373         u16 beacon_count;
 374         u8 disconn_array[NUM_RX_CHAINS];
 375         u8 delta_gain_code[NUM_RX_CHAINS];
 376         u8 radio_write;
 377         u8 state;
 378 };
 379
 380 enum {
 381         MEASUREMENT_READY = (1 << 0),
 382         MEASUREMENT_ACTIVE = (1 << 1),
 383 };
 384
 385 /* reply_tx_statistics (for _agn devices) */
 386 struct reply_tx_error_statistics {
 387         u32 pp_delay;
 388         u32 pp_few_bytes;
 389         u32 pp_bt_prio;
 390         u32 pp_quiet_period;
 391         u32 pp_calc_ttak;
 392         u32 int_crossed_retry;
 393         u32 short_limit;
 394         u32 long_limit;
 395         u32 fifo_underrun;
 396         u32 drain_flow;
 397         u32 rfkill_flush;
 398         u32 life_expire;
 399         u32 dest_ps;
 400         u32 host_abort;
 401         u32 bt_retry;
 402         u32 sta_invalid;
 403         u32 frag_drop;
 404         u32 tid_disable;
 405         u32 fifo_flush;
 406         u32 insuff_cf_poll;
 407         u32 fail_hw_drop;
 408         u32 sta_color_mismatch;
 409         u32 unknown;
 410 };
 411
 412 /* reply_agg_tx_statistics (for _agn devices) */
 413 struct reply_agg_tx_error_statistics {
 414         u32 underrun;
 415         u32 bt_prio;
 416         u32 few_bytes;
 417         u32 abort;
 418         u32 last_sent_ttl;
 419         u32 last_sent_try;
 420         u32 last_sent_bt_kill;
 421         u32 scd_query;
 422         u32 bad_crc32;
 423         u32 response;
 424         u32 dump_tx;
 425         u32 delay_tx;
 426         u32 unknown;
 427 };
 428
 429 /*
 430  * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
 431  * to perform continuous uCode event logging operation if enabled
 432  */
 433 #define UCODE_TRACE_PERIOD (10)
 434
 435 /*
 436  * iwl_event_log: current uCode event log position
 437  *
 438  * @ucode_trace: enable/disable ucode continuous trace timer
 439  * @num_wraps: how many times the event buffer wraps
 440  * @next_entry:  the entry just before the next one that uCode would fill
 441  * @non_wraps_count: counter for no wrap detected when dump ucode events
 442  * @wraps_once_count: counter for wrap once detected when dump ucode events
 443  * @wraps_more_count: counter for wrap more than once detected
 444  *                    when dump ucode events
 445  */
 446 struct iwl_event_log {
 447         bool ucode_trace;
 448         u32 num_wraps;
 449         u32 next_entry;
 450         int non_wraps_count;
 451         int wraps_once_count;
 452         int wraps_more_count;
 453 };
 454
 455 #define IWL_DELAY_NEXT_FORCE_RF_RESET  (HZ*3)
 456
 457 /* BT Antenna Coupling Threshold (dB) */
 458 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD       (35)
 459
 460 /* Firmware reload counter and Timestamp */
 461 #define IWL_MIN_RELOAD_DURATION         1000 /* 1000 ms */
 462 #define IWL_MAX_CONTINUE_RELOAD_CNT     4
 463
 464
 465 struct iwl_rf_reset {
 466         int reset_request_count;
 467         int reset_success_count;
 468         int reset_reject_count;
 469         unsigned long last_reset_jiffies;
 470 };
 471
 472 enum iwl_rxon_context_id {
 473         IWL_RXON_CTX_BSS,
 474         IWL_RXON_CTX_PAN,
 475
 476         NUM_IWL_RXON_CTX
 477 };
 478
 479 /* extend beacon time format bit shifting  */
 480 /*
 481  * for _agn devices
 482  * bits 31:22 - extended
 483  * bits 21:0  - interval
 484  */
 485 #define IWLAGN_EXT_BEACON_TIME_POS      22
 486
 487 struct iwl_rxon_context {
 488         struct ieee80211_vif *vif;
 489
 490         u8 mcast_queue;
 491         u8 ac_to_queue[IEEE80211_NUM_ACS];
 492         u8 ac_to_fifo[IEEE80211_NUM_ACS];
 493
 494         /*
 495          * We could use the vif to indicate active, but we
 496          * also need it to be active during disabling when
 497          * we already removed the vif for type setting.
 498          */
 499         bool always_active, is_active;
 500
 501         bool ht_need_multiple_chains;
 502
 503         enum iwl_rxon_context_id ctxid;
 504
 505         u32 interface_modes, exclusive_interface_modes;
 506         u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
 507
 508         /*
 509          * We declare this const so it can only be
 510          * changed via explicit cast within the
 511          * routines that actually update the physical
 512          * hardware.
 513          */
 514         const struct iwl_rxon_cmd active;
 515         struct iwl_rxon_cmd staging;
 516
 517         struct iwl_rxon_time_cmd timing;
 518
 519         struct iwl_qos_info qos_data;
 520
 521         u8 bcast_sta_id, ap_sta_id;
 522
 523         u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
 524         u8 qos_cmd;
 525         u8 wep_key_cmd;
 526
 527         struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
 528         u8 key_mapping_keys;
 529
 530         __le32 station_flags;
 531
 532         int beacon_int;
 533
 534         struct {
 535                 bool non_gf_sta_present;
 536                 u8 protection;
 537                 bool enabled, is_40mhz;
 538                 u8 extension_chan_offset;
 539         } ht;
 540 };
 541
 542 enum iwl_scan_type {
 543         IWL_SCAN_NORMAL,
 544         IWL_SCAN_RADIO_RESET,
 545         IWL_SCAN_ROC,
 546 };
 547
 548 /**
 549  * struct iwl_hw_params
 550  *
 551  * Holds the module parameters
 552  *
 553  * @tx_chains_num: Number of TX chains
 554  * @rx_chains_num: Number of RX chains
 555  * @ct_kill_threshold: temperature threshold - in hw dependent unit
 556  * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
 557  *      relevant for 1000, 6000 and up
 558  * @struct iwl_sensitivity_ranges: range of sensitivity values
 559  * @use_rts_for_aggregation: use rts/cts protection for HT traffic
 560  */
 561 struct iwl_hw_params {
 562         u8  tx_chains_num;
 563         u8  rx_chains_num;
 564         bool use_rts_for_aggregation;
 565         u32 ct_kill_threshold;
 566         u32 ct_kill_exit_threshold;
 567
 568         const struct iwl_sensitivity_ranges *sens;
 569 };
 570
 571 struct iwl_lib_ops {
 572         /* set hw dependent parameters */
 573         void (*set_hw_params)(struct iwl_priv *priv);
 574         int (*set_channel_switch)(struct iwl_priv *priv,
 575                                   struct ieee80211_channel_switch *ch_switch);
 576         /* device specific configuration */
 577         void (*nic_config)(struct iwl_priv *priv);
 578
 579         /* temperature */
 580         void (*temperature)(struct iwl_priv *priv);
 581 };
 582
 583 struct iwl_wipan_noa_data {
 584         struct rcu_head rcu_head;
 585         u32 length;
 586         u8 data[];
 587 };
 588
 589 /* Calibration disabling bit mask */
 590 enum {
 591         IWL_CALIB_ENABLE_ALL                    = 0,
 592
 593         IWL_SENSITIVITY_CALIB_DISABLED          = BIT(0),
 594         IWL_CHAIN_NOISE_CALIB_DISABLED          = BIT(1),
 595         IWL_TX_POWER_CALIB_DISABLED             = BIT(2),
 596
 597         IWL_CALIB_DISABLE_ALL                   = 0xFFFFFFFF,
 598 };
 599
 600 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
 601         ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
 602
 603 #define IWL_MAC80211_GET_DVM(_hw) \
 604         ((struct iwl_priv *) ((struct iwl_op_mode *) \
 605         (_hw)->priv)->op_mode_specific)
 606
 607 struct iwl_priv {
 608
 609         struct iwl_trans *trans;
 610         struct device *dev;             /* for debug prints only */
 611         const struct iwl_cfg *cfg;
 612         const struct iwl_fw *fw;
 613         const struct iwl_lib_ops *lib;
 614         unsigned long status;
 615
 616         spinlock_t sta_lock;
 617         struct mutex mutex;
 618
 619         unsigned long transport_queue_stop;
 620         bool passive_no_rx;
 621 #define IWL_INVALID_MAC80211_QUEUE      0xff
 622         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 623         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 624
 625         unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
 626
 627         /* ieee device used by generic ieee processing code */
 628         struct ieee80211_hw *hw;
 629
 630         struct list_head calib_results;
 631
 632         struct workqueue_struct *workqueue;
 633
 634         struct iwl_hw_params hw_params;
 635
 636         enum ieee80211_band band;
 637         u8 valid_contexts;
 638
 639         int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
 640                                        struct iwl_rx_cmd_buffer *rxb,
 641                                        struct iwl_device_cmd *cmd);
 642
 643         struct iwl_notif_wait_data notif_wait;
 644
 645         /* spectrum measurement report caching */
 646         struct iwl_spectrum_notification measure_report;
 647         u8 measurement_status;
 648
 649 #define IWL_OWNERSHIP_DRIVER    0
 650 #define IWL_OWNERSHIP_TM        1
 651         u8 ucode_owner;
 652
 653         /* ucode beacon time */
 654         u32 ucode_beacon_time;
 655         int missed_beacon_threshold;
 656
 657         /* track IBSS manager (last beacon) status */
 658         u32 ibss_manager;
 659
 660         /* jiffies when last recovery from statistics was performed */
 661         unsigned long rx_statistics_jiffies;
 662
 663         /*counters */
 664         u32 rx_handlers_stats[REPLY_MAX];
 665
 666         /* rf reset */
 667         struct iwl_rf_reset rf_reset;
 668
 669         /* firmware reload counter and timestamp */
 670         unsigned long reload_jiffies;
 671         int reload_count;
 672         bool ucode_loaded;
 673         bool init_ucode_run;            /* Don't run init uCode again */
 674
 675         u8 plcp_delta_threshold;
 676
 677         /* thermal calibration */
 678         s32 temperature;        /* Celsius */
 679         s32 last_temperature;
 680
 681         struct iwl_wipan_noa_data __rcu *noa_data;
 682
 683         /* Scan related variables */
 684         unsigned long scan_start;
 685         unsigned long scan_start_tsf;
 686         void *scan_cmd;
 687         enum ieee80211_band scan_band;
 688         struct cfg80211_scan_request *scan_request;
 689         struct ieee80211_vif *scan_vif;
 690         enum iwl_scan_type scan_type;
 691         u8 scan_tx_ant[IEEE80211_NUM_BANDS];
 692         u8 mgmt_tx_ant;
 693
 694         /* max number of station keys */
 695         u8 sta_key_max_num;
 696
 697         bool new_scan_threshold_behaviour;
 698
 699         bool wowlan;
 700
 701         /* EEPROM MAC addresses */
 702         struct mac_address addresses[2];
 703
 704         struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
 705
 706         __le16 switch_channel;
 707
 708         u8 start_calib;
 709         struct iwl_sensitivity_data sensitivity_data;
 710         struct iwl_chain_noise_data chain_noise_data;
 711         __le16 sensitivity_tbl[HD_TABLE_SIZE];
 712         __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
 713
 714         struct iwl_ht_config current_ht_config;
 715
 716         /* Rate scaling data */
 717         u8 retry_rate;
 718
 719         int activity_timer_active;
 720
 721         struct iwl_power_mgr power_data;
 722         struct iwl_tt_mgmt thermal_throttle;
 723
 724         /* station table variables */
 725         int num_stations;
 726         struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
 727         unsigned long ucode_key_table;
 728         struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
 729         atomic_t num_aux_in_flight;
 730
 731         u8 mac80211_registered;
 732
 733         /* Indication if ieee80211_ops->open has been called */
 734         u8 is_open;
 735
 736         enum nl80211_iftype iw_mode;
 737
 738         /* Last Rx'd beacon timestamp */
 739         u64 timestamp;
 740
 741         struct {
 742                 __le32 flag;
 743                 struct statistics_general_common common;
 744                 struct statistics_rx_non_phy rx_non_phy;
 745                 struct statistics_rx_phy rx_ofdm;
 746                 struct statistics_rx_ht_phy rx_ofdm_ht;
 747                 struct statistics_rx_phy rx_cck;
 748                 struct statistics_tx tx;
 749 #ifdef CONFIG_IWLWIFI_DEBUGFS
 750                 struct statistics_bt_activity bt_activity;
 751                 __le32 num_bt_kills, accum_num_bt_kills;
 752 #endif
 753                 spinlock_t lock;
 754         } statistics;
 755 #ifdef CONFIG_IWLWIFI_DEBUGFS
 756         struct {
 757                 struct statistics_general_common common;
 758                 struct statistics_rx_non_phy rx_non_phy;
 759                 struct statistics_rx_phy rx_ofdm;
 760                 struct statistics_rx_ht_phy rx_ofdm_ht;
 761                 struct statistics_rx_phy rx_cck;
 762                 struct statistics_tx tx;
 763                 struct statistics_bt_activity bt_activity;
 764         } accum_stats, delta_stats, max_delta_stats;
 765 #endif
 766
 767         /*
 768          * reporting the number of tids has AGG on. 0 means
 769          * no AGGREGATION
 770          */
 771         u8 agg_tids_count;
 772
 773         struct iwl_rx_phy_res last_phy_res;
 774         u32 ampdu_ref;
 775         bool last_phy_res_valid;
 776
 777         /*
 778          * chain noise reset and gain commands are the
 779          * two extra calibration commands follows the standard
 780          * phy calibration commands
 781          */
 782         u8 phy_calib_chain_noise_reset_cmd;
 783         u8 phy_calib_chain_noise_gain_cmd;
 784
 785         /* counts reply_tx error */
 786         struct reply_tx_error_statistics reply_tx_stats;
 787         struct reply_agg_tx_error_statistics reply_agg_tx_stats;
 788
 789         /* remain-on-channel offload support */
 790         struct ieee80211_channel *hw_roc_channel;
 791         struct delayed_work hw_roc_disable_work;
 792         int hw_roc_duration;
 793         bool hw_roc_setup, hw_roc_start_notified;
 794
 795         /* bt coex */
 796         u8 bt_enable_flag;
 797         u8 bt_status;
 798         u8 bt_traffic_load, last_bt_traffic_load;
 799         bool bt_ch_announce;
 800         bool bt_full_concurrent;
 801         bool bt_ant_couple_ok;
 802         __le32 kill_ack_mask;
 803         __le32 kill_cts_mask;
 804         __le16 bt_valid;
 805         bool reduced_txpower;
 806         u16 bt_on_thresh;
 807         u16 bt_duration;
 808         u16 dynamic_frag_thresh;
 809         u8 bt_ci_compliance;
 810         struct work_struct bt_traffic_change_work;
 811         bool bt_enable_pspoll;
 812         struct iwl_rxon_context *cur_rssi_ctx;
 813         bool bt_is_sco;
 814
 815         struct work_struct restart;
 816         struct work_struct scan_completed;
 817         struct work_struct abort_scan;
 818
 819         struct work_struct beacon_update;
 820         struct iwl_rxon_context *beacon_ctx;
 821         struct sk_buff *beacon_skb;
 822         void *beacon_cmd;
 823
 824         struct work_struct tt_work;
 825         struct work_struct ct_enter;
 826         struct work_struct ct_exit;
 827         struct work_struct start_internal_scan;
 828         struct work_struct tx_flush;
 829         struct work_struct bt_full_concurrency;
 830         struct work_struct bt_runtime_config;
 831
 832         struct delayed_work scan_check;
 833
 834         /* TX Power settings */
 835         s8 tx_power_user_lmt;
 836         s8 tx_power_next;
 837
 838 #ifdef CONFIG_IWLWIFI_DEBUGFS
 839         /* debugfs */
 840         struct dentry *debugfs_dir;
 841         u32 dbgfs_sram_offset, dbgfs_sram_len;
 842         bool disable_ht40;
 843         void *wowlan_sram;
 844 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 845
 846         struct iwl_nvm_data *nvm_data;
 847         /* eeprom blob for debugfs/testmode */
 848         u8 *eeprom_blob;
 849         size_t eeprom_blob_size;
 850
 851         struct work_struct txpower_work;
 852         u32 calib_disabled;
 853         struct work_struct run_time_calib_work;
 854         struct timer_list statistics_periodic;
 855         struct timer_list ucode_trace;
 856
 857         struct iwl_event_log event_log;
 858
 859         struct led_classdev led;
 860         unsigned long blink_on, blink_off;
 861         bool led_registered;
 862
 863 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
 864         struct iwl_test tst;
 865         u32 tm_fixed_rate;
 866 #endif
 867
 868         /* WoWLAN GTK rekey data */
 869         u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 870         __le64 replay_ctr;
 871         __le16 last_seq_ctl;
 872         bool have_rekey_data;
 873
 874         /* device_pointers: pointers to ucode event tables */
 875         struct {
 876                 u32 error_event_table;
 877                 u32 log_event_table;
 878         } device_pointers;
 879
 880         /* indicator of loaded ucode image */
 881         enum iwl_ucode_type cur_ucode;
 882 }; /*iwl_priv */
 883
 884 static inline struct iwl_rxon_context *
 885 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
 886 {
 887         struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
 888
 889         return vif_priv->ctx;
 890 }
 891
 892 #define for_each_context(priv, ctx)                             \
 893         for (ctx = &priv->contexts[IWL_RXON_CTX_BSS];           \
 894              ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++)    \
 895                 if (priv->valid_contexts & BIT(ctx->ctxid))
 896
 897 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
 898 {
 899         return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
 900 }
 901
 902 static inline int iwl_is_associated(struct iwl_priv *priv,
 903                                     enum iwl_rxon_context_id ctxid)
 904 {
 905         return iwl_is_associated_ctx(&priv->contexts[ctxid]);
 906 }
 907
 908 static inline int iwl_is_any_associated(struct iwl_priv *priv)
 909 {
 910         struct iwl_rxon_context *ctx;
 911         for_each_context(priv, ctx)
 912                 if (iwl_is_associated_ctx(ctx))
 913                         return true;
 914         return false;
 915 }
 916
 917 #endif                          /* __iwl_dev_h__ */