1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /****************************************************************************** 3 * 4 * Copyright(c) 2003 - 2014, 2020 Intel Corporation. All rights reserved. 5 *****************************************************************************/ 6 /* 7 * Please use this file (dev.h) for driver implementation definitions. 8 * Please use commands.h for uCode API definitions. 9 */ 10 11 #ifndef __iwl_dev_h__ 12 #define __iwl_dev_h__ 13 14 #include <linux/interrupt.h> 15 #include <linux/kernel.h> 16 #include <linux/wait.h> 17 #include <linux/leds.h> 18 #include <linux/slab.h> 19 #include <linux/mutex.h> 20 21 #include "fw/img.h" 22 #include "iwl-eeprom-parse.h" 23 #include "iwl-csr.h" 24 #include "iwl-debug.h" 25 #include "iwl-agn-hw.h" 26 #include "iwl-op-mode.h" 27 #include "fw/notif-wait.h" 28 #include "iwl-trans.h" 29 30 #include "led.h" 31 #include "power.h" 32 #include "rs.h" 33 #include "tt.h" 34 35 /* CT-KILL constants */ 36 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 37 #define CT_KILL_THRESHOLD 114 /* in Celsius */ 38 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 39 40 /* Default noise level to report when noise measurement is not available. 41 * This may be because we're: 42 * 1) Not associated no beacon statistics being sent to driver) 43 * 2) Scanning (noise measurement does not apply to associated channel) 44 * Use default noise value of -127 ... this is below the range of measurable 45 * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user. 46 * Also, -127 works better than 0 when averaging frames with/without 47 * noise info (e.g. averaging might be done in app); measured dBm values are 48 * always negative ... using a negative value as the default keeps all 49 * averages within an s8's (used in some apps) range of negative values. */ 50 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 51 52 /* 53 * RTS threshold here is total size [2347] minus 4 FCS bytes 54 * Per spec: 55 * a value of 0 means RTS on all data/management packets 56 * a value > max MSDU size means no RTS 57 * else RTS for data/management frames where MPDU is larger 58 * than RTS value. 59 */ 60 #define DEFAULT_RTS_THRESHOLD 2347U 61 #define MIN_RTS_THRESHOLD 0U 62 #define MAX_RTS_THRESHOLD 2347U 63 #define MAX_MSDU_SIZE 2304U 64 #define MAX_MPDU_SIZE 2346U 65 #define DEFAULT_BEACON_INTERVAL 200U 66 #define DEFAULT_SHORT_RETRY_LIMIT 7U 67 #define DEFAULT_LONG_RETRY_LIMIT 4U 68 69 #define IWL_NUM_SCAN_RATES (2) 70 71 72 #define IEEE80211_DATA_LEN 2304 73 #define IEEE80211_4ADDR_LEN 30 74 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 75 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 76 77 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 78 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 79 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 80 81 #define IWL_SUPPORTED_RATES_IE_LEN 8 82 83 #define IWL_INVALID_RATE 0xFF 84 #define IWL_INVALID_VALUE -1 85 86 union iwl_ht_rate_supp { 87 u16 rates; 88 struct { 89 u8 siso_rate; 90 u8 mimo_rate; 91 }; 92 }; 93 94 struct iwl_ht_config { 95 bool single_chain_sufficient; 96 enum ieee80211_smps_mode smps; /* current smps mode */ 97 }; 98 99 /* QoS structures */ 100 struct iwl_qos_info { 101 int qos_active; 102 struct iwl_qosparam_cmd def_qos_parm; 103 }; 104 105 /** 106 * enum iwl_agg_state 107 * 108 * The state machine of the BA agreement establishment / tear down. 109 * These states relate to a specific RA / TID. 110 * 111 * @IWL_AGG_OFF: aggregation is not used 112 * @IWL_AGG_STARTING: aggregation are starting (between start and oper) 113 * @IWL_AGG_ON: aggregation session is up 114 * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the 115 * HW queue to be empty from packets for this RA /TID. 116 * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the 117 * HW queue to be empty from packets for this RA /TID. 118 */ 119 enum iwl_agg_state { 120 IWL_AGG_OFF = 0, 121 IWL_AGG_STARTING, 122 IWL_AGG_ON, 123 IWL_EMPTYING_HW_QUEUE_ADDBA, 124 IWL_EMPTYING_HW_QUEUE_DELBA, 125 }; 126 127 /** 128 * struct iwl_ht_agg - aggregation state machine 129 130 * This structs holds the states for the BA agreement establishment and tear 131 * down. It also holds the state during the BA session itself. This struct is 132 * duplicated for each RA / TID. 133 134 * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the 135 * Tx response (REPLY_TX), and the block ack notification 136 * (REPLY_COMPRESSED_BA). 137 * @state: state of the BA agreement establishment / tear down. 138 * @txq_id: Tx queue used by the BA session 139 * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or 140 * the first packet to be sent in legacy HW queue in Tx AGG stop flow. 141 * Basically when next_reclaimed reaches ssn, we can tell mac80211 that 142 * we are ready to finish the Tx AGG stop / start flow. 143 * @wait_for_ba: Expect block-ack before next Tx reply 144 */ 145 struct iwl_ht_agg { 146 u32 rate_n_flags; 147 enum iwl_agg_state state; 148 u16 txq_id; 149 u16 ssn; 150 bool wait_for_ba; 151 }; 152 153 /** 154 * struct iwl_tid_data - one for each RA / TID 155 156 * This structs holds the states for each RA / TID. 157 158 * @seq_number: the next WiFi sequence number to use 159 * @next_reclaimed: the WiFi sequence number of the next packet to be acked. 160 * This is basically (last acked packet++). 161 * @agg: aggregation state machine 162 */ 163 struct iwl_tid_data { 164 u16 seq_number; 165 u16 next_reclaimed; 166 struct iwl_ht_agg agg; 167 }; 168 169 /* 170 * Structure should be accessed with sta_lock held. When station addition 171 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 172 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 173 * held. 174 */ 175 struct iwl_station_entry { 176 struct iwl_addsta_cmd sta; 177 u8 used, ctxid; 178 struct iwl_link_quality_cmd *lq; 179 }; 180 181 /* 182 * iwl_station_priv: Driver's private station information 183 * 184 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 185 * in the structure for use by driver. This structure is places in that 186 * space. 187 */ 188 struct iwl_station_priv { 189 struct iwl_rxon_context *ctx; 190 struct iwl_lq_sta lq_sta; 191 atomic_t pending_frames; 192 bool client; 193 bool asleep; 194 u8 max_agg_bufsize; 195 u8 sta_id; 196 }; 197 198 /** 199 * struct iwl_vif_priv - driver's private per-interface information 200 * 201 * When mac80211 allocates a virtual interface, it can allocate 202 * space for us to put data into. 203 */ 204 struct iwl_vif_priv { 205 struct iwl_rxon_context *ctx; 206 u8 ibss_bssid_sta_id; 207 }; 208 209 struct iwl_sensitivity_ranges { 210 u16 min_nrg_cck; 211 212 u16 nrg_th_cck; 213 u16 nrg_th_ofdm; 214 215 u16 auto_corr_min_ofdm; 216 u16 auto_corr_min_ofdm_mrc; 217 u16 auto_corr_min_ofdm_x1; 218 u16 auto_corr_min_ofdm_mrc_x1; 219 220 u16 auto_corr_max_ofdm; 221 u16 auto_corr_max_ofdm_mrc; 222 u16 auto_corr_max_ofdm_x1; 223 u16 auto_corr_max_ofdm_mrc_x1; 224 225 u16 auto_corr_max_cck; 226 u16 auto_corr_max_cck_mrc; 227 u16 auto_corr_min_cck; 228 u16 auto_corr_min_cck_mrc; 229 230 u16 barker_corr_th_min; 231 u16 barker_corr_th_min_mrc; 232 u16 nrg_th_cca; 233 }; 234 235 /****************************************************************************** 236 * 237 * Functions implemented in core module which are forward declared here 238 * for use by iwl-[4-5].c 239 * 240 * NOTE: The implementation of these functions are not hardware specific 241 * which is why they are in the core module files. 242 * 243 * Naming convention -- 244 * iwl_ <-- Is part of iwlwifi 245 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 246 * 247 ****************************************************************************/ 248 void iwl_update_chain_flags(struct iwl_priv *priv); 249 extern const u8 iwl_bcast_addr[ETH_ALEN]; 250 251 #define IWL_OPERATION_MODE_AUTO 0 252 #define IWL_OPERATION_MODE_HT_ONLY 1 253 #define IWL_OPERATION_MODE_MIXED 2 254 #define IWL_OPERATION_MODE_20MHZ 3 255 256 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 257 258 /* Sensitivity and chain noise calibration */ 259 #define INITIALIZATION_VALUE 0xFFFF 260 #define IWL_CAL_NUM_BEACONS 16 261 #define MAXIMUM_ALLOWED_PATHLOSS 15 262 263 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 264 265 #define MAX_FA_OFDM 50 266 #define MIN_FA_OFDM 5 267 #define MAX_FA_CCK 50 268 #define MIN_FA_CCK 5 269 270 #define AUTO_CORR_STEP_OFDM 1 271 272 #define AUTO_CORR_STEP_CCK 3 273 #define AUTO_CORR_MAX_TH_CCK 160 274 275 #define NRG_DIFF 2 276 #define NRG_STEP_CCK 2 277 #define NRG_MARGIN 8 278 #define MAX_NUMBER_CCK_NO_FA 100 279 280 #define AUTO_CORR_CCK_MIN_VAL_DEF (125) 281 282 #define CHAIN_A 0 283 #define CHAIN_B 1 284 #define CHAIN_C 2 285 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 286 #define ALL_BAND_FILTER 0xFF00 287 #define IN_BAND_FILTER 0xFF 288 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 289 290 #define NRG_NUM_PREV_STAT_L 20 291 #define NUM_RX_CHAINS 3 292 293 enum iwlagn_false_alarm_state { 294 IWL_FA_TOO_MANY = 0, 295 IWL_FA_TOO_FEW = 1, 296 IWL_FA_GOOD_RANGE = 2, 297 }; 298 299 enum iwlagn_chain_noise_state { 300 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 301 IWL_CHAIN_NOISE_ACCUMULATE, 302 IWL_CHAIN_NOISE_CALIBRATED, 303 IWL_CHAIN_NOISE_DONE, 304 }; 305 306 /* Sensitivity calib data */ 307 struct iwl_sensitivity_data { 308 u32 auto_corr_ofdm; 309 u32 auto_corr_ofdm_mrc; 310 u32 auto_corr_ofdm_x1; 311 u32 auto_corr_ofdm_mrc_x1; 312 u32 auto_corr_cck; 313 u32 auto_corr_cck_mrc; 314 315 u32 last_bad_plcp_cnt_ofdm; 316 u32 last_fa_cnt_ofdm; 317 u32 last_bad_plcp_cnt_cck; 318 u32 last_fa_cnt_cck; 319 320 u32 nrg_curr_state; 321 u32 nrg_prev_state; 322 u32 nrg_value[10]; 323 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 324 u32 nrg_silence_ref; 325 u32 nrg_energy_idx; 326 u32 nrg_silence_idx; 327 u32 nrg_th_cck; 328 s32 nrg_auto_corr_silence_diff; 329 u32 num_in_cck_no_fa; 330 u32 nrg_th_ofdm; 331 332 u16 barker_corr_th_min; 333 u16 barker_corr_th_min_mrc; 334 u16 nrg_th_cca; 335 }; 336 337 /* Chain noise (differential Rx gain) calib data */ 338 struct iwl_chain_noise_data { 339 u32 active_chains; 340 u32 chain_noise_a; 341 u32 chain_noise_b; 342 u32 chain_noise_c; 343 u32 chain_signal_a; 344 u32 chain_signal_b; 345 u32 chain_signal_c; 346 u16 beacon_count; 347 u8 disconn_array[NUM_RX_CHAINS]; 348 u8 delta_gain_code[NUM_RX_CHAINS]; 349 u8 radio_write; 350 u8 state; 351 }; 352 353 enum { 354 MEASUREMENT_READY = (1 << 0), 355 MEASUREMENT_ACTIVE = (1 << 1), 356 }; 357 358 /* reply_tx_statistics (for _agn devices) */ 359 struct reply_tx_error_statistics { 360 u32 pp_delay; 361 u32 pp_few_bytes; 362 u32 pp_bt_prio; 363 u32 pp_quiet_period; 364 u32 pp_calc_ttak; 365 u32 int_crossed_retry; 366 u32 short_limit; 367 u32 long_limit; 368 u32 fifo_underrun; 369 u32 drain_flow; 370 u32 rfkill_flush; 371 u32 life_expire; 372 u32 dest_ps; 373 u32 host_abort; 374 u32 bt_retry; 375 u32 sta_invalid; 376 u32 frag_drop; 377 u32 tid_disable; 378 u32 fifo_flush; 379 u32 insuff_cf_poll; 380 u32 fail_hw_drop; 381 u32 sta_color_mismatch; 382 u32 unknown; 383 }; 384 385 /* reply_agg_tx_statistics (for _agn devices) */ 386 struct reply_agg_tx_error_statistics { 387 u32 underrun; 388 u32 bt_prio; 389 u32 few_bytes; 390 u32 abort; 391 u32 last_sent_ttl; 392 u32 last_sent_try; 393 u32 last_sent_bt_kill; 394 u32 scd_query; 395 u32 bad_crc32; 396 u32 response; 397 u32 dump_tx; 398 u32 delay_tx; 399 u32 unknown; 400 }; 401 402 /* 403 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 404 * to perform continuous uCode event logging operation if enabled 405 */ 406 #define UCODE_TRACE_PERIOD (10) 407 408 /* 409 * iwl_event_log: current uCode event log position 410 * 411 * @ucode_trace: enable/disable ucode continuous trace timer 412 * @num_wraps: how many times the event buffer wraps 413 * @next_entry: the entry just before the next one that uCode would fill 414 * @non_wraps_count: counter for no wrap detected when dump ucode events 415 * @wraps_once_count: counter for wrap once detected when dump ucode events 416 * @wraps_more_count: counter for wrap more than once detected 417 * when dump ucode events 418 */ 419 struct iwl_event_log { 420 bool ucode_trace; 421 u32 num_wraps; 422 u32 next_entry; 423 int non_wraps_count; 424 int wraps_once_count; 425 int wraps_more_count; 426 }; 427 428 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 429 430 /* BT Antenna Coupling Threshold (dB) */ 431 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 432 433 /* Firmware reload counter and Timestamp */ 434 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 435 #define IWL_MAX_CONTINUE_RELOAD_CNT 4 436 437 438 struct iwl_rf_reset { 439 int reset_request_count; 440 int reset_success_count; 441 int reset_reject_count; 442 unsigned long last_reset_jiffies; 443 }; 444 445 enum iwl_rxon_context_id { 446 IWL_RXON_CTX_BSS, 447 IWL_RXON_CTX_PAN, 448 449 NUM_IWL_RXON_CTX 450 }; 451 452 /* extend beacon time format bit shifting */ 453 /* 454 * for _agn devices 455 * bits 31:22 - extended 456 * bits 21:0 - interval 457 */ 458 #define IWLAGN_EXT_BEACON_TIME_POS 22 459 460 struct iwl_rxon_context { 461 struct ieee80211_vif *vif; 462 463 u8 mcast_queue; 464 u8 ac_to_queue[IEEE80211_NUM_ACS]; 465 u8 ac_to_fifo[IEEE80211_NUM_ACS]; 466 467 /* 468 * We could use the vif to indicate active, but we 469 * also need it to be active during disabling when 470 * we already removed the vif for type setting. 471 */ 472 bool always_active, is_active; 473 474 bool ht_need_multiple_chains; 475 476 enum iwl_rxon_context_id ctxid; 477 478 u32 interface_modes, exclusive_interface_modes; 479 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 480 481 /* 482 * We declare this const so it can only be 483 * changed via explicit cast within the 484 * routines that actually update the physical 485 * hardware. 486 */ 487 const struct iwl_rxon_cmd active; 488 struct iwl_rxon_cmd staging; 489 490 struct iwl_rxon_time_cmd timing; 491 492 struct iwl_qos_info qos_data; 493 494 u8 bcast_sta_id, ap_sta_id; 495 496 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 497 u8 qos_cmd; 498 u8 wep_key_cmd; 499 500 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 501 u8 key_mapping_keys; 502 503 __le32 station_flags; 504 505 int beacon_int; 506 507 struct { 508 bool non_gf_sta_present; 509 u8 protection; 510 bool enabled, is_40mhz; 511 u8 extension_chan_offset; 512 } ht; 513 }; 514 515 enum iwl_scan_type { 516 IWL_SCAN_NORMAL, 517 IWL_SCAN_RADIO_RESET, 518 }; 519 520 /** 521 * struct iwl_hw_params 522 * 523 * Holds the module parameters 524 * 525 * @tx_chains_num: Number of TX chains 526 * @rx_chains_num: Number of RX chains 527 * @ct_kill_threshold: temperature threshold - in hw dependent unit 528 * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit 529 * relevant for 1000, 6000 and up 530 * @struct iwl_sensitivity_ranges: range of sensitivity values 531 * @use_rts_for_aggregation: use rts/cts protection for HT traffic 532 */ 533 struct iwl_hw_params { 534 u8 tx_chains_num; 535 u8 rx_chains_num; 536 bool use_rts_for_aggregation; 537 u32 ct_kill_threshold; 538 u32 ct_kill_exit_threshold; 539 540 const struct iwl_sensitivity_ranges *sens; 541 }; 542 543 /** 544 * struct iwl_dvm_bt_params - DVM specific BT (coex) parameters 545 * @advanced_bt_coexist: support advanced bt coexist 546 * @bt_init_traffic_load: specify initial bt traffic load 547 * @bt_prio_boost: default bt priority boost value 548 * @agg_time_limit: maximum number of uSec in aggregation 549 * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode 550 */ 551 struct iwl_dvm_bt_params { 552 bool advanced_bt_coexist; 553 u8 bt_init_traffic_load; 554 u32 bt_prio_boost; 555 u16 agg_time_limit; 556 bool bt_sco_disable; 557 bool bt_session_2; 558 }; 559 560 /** 561 * struct iwl_dvm_cfg - DVM firmware specific device configuration 562 * @set_hw_params: set hardware parameters 563 * @set_channel_switch: send channel switch command 564 * @nic_config: apply device specific configuration 565 * @temperature: read temperature 566 * @adv_thermal_throttle: support advance thermal throttle 567 * @support_ct_kill_exit: support ct kill exit condition 568 * @plcp_delta_threshold: plcp error rate threshold used to trigger 569 * radio tuning when there is a high receiving plcp error rate 570 * @chain_noise_scale: default chain noise scale used for gain computation 571 * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up 572 * @no_idle_support: do not support idle mode 573 * @bt_params: pointer to BT parameters 574 * @need_temp_offset_calib: need to perform temperature offset calibration 575 * @no_xtal_calib: some devices do not need crystal calibration data, 576 * don't send it to those 577 * @temp_offset_v2: support v2 of temperature offset calibration 578 * @adv_pm: advanced power management 579 */ 580 struct iwl_dvm_cfg { 581 void (*set_hw_params)(struct iwl_priv *priv); 582 int (*set_channel_switch)(struct iwl_priv *priv, 583 struct ieee80211_channel_switch *ch_switch); 584 void (*nic_config)(struct iwl_priv *priv); 585 void (*temperature)(struct iwl_priv *priv); 586 587 const struct iwl_dvm_bt_params *bt_params; 588 s32 chain_noise_scale; 589 u8 plcp_delta_threshold; 590 bool adv_thermal_throttle; 591 bool support_ct_kill_exit; 592 bool hd_v2; 593 bool no_idle_support; 594 bool need_temp_offset_calib; 595 bool no_xtal_calib; 596 bool temp_offset_v2; 597 bool adv_pm; 598 }; 599 600 struct iwl_wipan_noa_data { 601 struct rcu_head rcu_head; 602 u32 length; 603 u8 data[]; 604 }; 605 606 /* Calibration disabling bit mask */ 607 enum { 608 IWL_CALIB_ENABLE_ALL = 0, 609 610 IWL_SENSITIVITY_CALIB_DISABLED = BIT(0), 611 IWL_CHAIN_NOISE_CALIB_DISABLED = BIT(1), 612 IWL_TX_POWER_CALIB_DISABLED = BIT(2), 613 614 IWL_CALIB_DISABLE_ALL = 0xFFFFFFFF, 615 }; 616 617 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \ 618 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific)) 619 620 #define IWL_MAC80211_GET_DVM(_hw) \ 621 ((struct iwl_priv *) ((struct iwl_op_mode *) \ 622 (_hw)->priv)->op_mode_specific) 623 624 struct iwl_priv { 625 626 struct iwl_trans *trans; 627 struct device *dev; /* for debug prints only */ 628 const struct iwl_cfg *cfg; 629 const struct iwl_fw *fw; 630 const struct iwl_dvm_cfg *lib; 631 unsigned long status; 632 633 spinlock_t sta_lock; 634 struct mutex mutex; 635 636 unsigned long transport_queue_stop; 637 bool passive_no_rx; 638 #define IWL_INVALID_MAC80211_QUEUE 0xff 639 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES]; 640 atomic_t queue_stop_count[IWL_MAX_HW_QUEUES]; 641 642 unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 643 644 /* ieee device used by generic ieee processing code */ 645 struct ieee80211_hw *hw; 646 647 struct napi_struct *napi; 648 649 struct list_head calib_results; 650 651 struct workqueue_struct *workqueue; 652 653 struct iwl_hw_params hw_params; 654 655 enum nl80211_band band; 656 u8 valid_contexts; 657 658 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 659 struct iwl_rx_cmd_buffer *rxb); 660 661 struct iwl_notif_wait_data notif_wait; 662 663 /* spectrum measurement report caching */ 664 struct iwl_spectrum_notification measure_report; 665 u8 measurement_status; 666 667 /* ucode beacon time */ 668 u32 ucode_beacon_time; 669 int missed_beacon_threshold; 670 671 /* track IBSS manager (last beacon) status */ 672 u32 ibss_manager; 673 674 /* jiffies when last recovery from statistics was performed */ 675 unsigned long rx_statistics_jiffies; 676 677 /*counters */ 678 u32 rx_handlers_stats[REPLY_MAX]; 679 680 /* rf reset */ 681 struct iwl_rf_reset rf_reset; 682 683 /* firmware reload counter and timestamp */ 684 unsigned long reload_jiffies; 685 int reload_count; 686 bool ucode_loaded; 687 688 u8 plcp_delta_threshold; 689 690 /* thermal calibration */ 691 s32 temperature; /* Celsius */ 692 s32 last_temperature; 693 694 struct iwl_wipan_noa_data __rcu *noa_data; 695 696 /* Scan related variables */ 697 unsigned long scan_start; 698 unsigned long scan_start_tsf; 699 void *scan_cmd; 700 enum nl80211_band scan_band; 701 struct cfg80211_scan_request *scan_request; 702 struct ieee80211_vif *scan_vif; 703 enum iwl_scan_type scan_type; 704 u8 scan_tx_ant[NUM_NL80211_BANDS]; 705 u8 mgmt_tx_ant; 706 707 /* max number of station keys */ 708 u8 sta_key_max_num; 709 710 bool new_scan_threshold_behaviour; 711 712 bool wowlan; 713 714 /* EEPROM MAC addresses */ 715 struct mac_address addresses[2]; 716 717 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 718 719 __le16 switch_channel; 720 721 u8 start_calib; 722 struct iwl_sensitivity_data sensitivity_data; 723 struct iwl_chain_noise_data chain_noise_data; 724 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 725 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 726 727 struct iwl_ht_config current_ht_config; 728 729 /* Rate scaling data */ 730 u8 retry_rate; 731 732 int activity_timer_active; 733 734 struct iwl_power_mgr power_data; 735 struct iwl_tt_mgmt thermal_throttle; 736 737 /* station table variables */ 738 int num_stations; 739 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 740 unsigned long ucode_key_table; 741 struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT]; 742 atomic_t num_aux_in_flight; 743 744 u8 mac80211_registered; 745 746 /* Indication if ieee80211_ops->open has been called */ 747 u8 is_open; 748 749 enum nl80211_iftype iw_mode; 750 751 /* Last Rx'd beacon timestamp */ 752 u64 timestamp; 753 754 struct { 755 __le32 flag; 756 struct statistics_general_common common; 757 struct statistics_rx_non_phy rx_non_phy; 758 struct statistics_rx_phy rx_ofdm; 759 struct statistics_rx_ht_phy rx_ofdm_ht; 760 struct statistics_rx_phy rx_cck; 761 struct statistics_tx tx; 762 #ifdef CONFIG_IWLWIFI_DEBUGFS 763 struct statistics_bt_activity bt_activity; 764 __le32 num_bt_kills, accum_num_bt_kills; 765 #endif 766 spinlock_t lock; 767 } statistics; 768 #ifdef CONFIG_IWLWIFI_DEBUGFS 769 struct { 770 struct statistics_general_common common; 771 struct statistics_rx_non_phy rx_non_phy; 772 struct statistics_rx_phy rx_ofdm; 773 struct statistics_rx_ht_phy rx_ofdm_ht; 774 struct statistics_rx_phy rx_cck; 775 struct statistics_tx tx; 776 struct statistics_bt_activity bt_activity; 777 } accum_stats, delta_stats, max_delta_stats; 778 #endif 779 780 /* 781 * reporting the number of tids has AGG on. 0 means 782 * no AGGREGATION 783 */ 784 u8 agg_tids_count; 785 786 struct iwl_rx_phy_res last_phy_res; 787 u32 ampdu_ref; 788 bool last_phy_res_valid; 789 790 /* 791 * chain noise reset and gain commands are the 792 * two extra calibration commands follows the standard 793 * phy calibration commands 794 */ 795 u8 phy_calib_chain_noise_reset_cmd; 796 u8 phy_calib_chain_noise_gain_cmd; 797 798 /* counts reply_tx error */ 799 struct reply_tx_error_statistics reply_tx_stats; 800 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 801 802 /* bt coex */ 803 u8 bt_enable_flag; 804 u8 bt_status; 805 u8 bt_traffic_load, last_bt_traffic_load; 806 bool bt_ch_announce; 807 bool bt_full_concurrent; 808 __le32 kill_ack_mask; 809 __le32 kill_cts_mask; 810 __le16 bt_valid; 811 bool reduced_txpower; 812 u16 bt_on_thresh; 813 u16 bt_duration; 814 u16 dynamic_frag_thresh; 815 u8 bt_ci_compliance; 816 struct work_struct bt_traffic_change_work; 817 bool bt_enable_pspoll; 818 struct iwl_rxon_context *cur_rssi_ctx; 819 bool bt_is_sco; 820 821 struct work_struct restart; 822 struct work_struct scan_completed; 823 struct work_struct abort_scan; 824 825 struct work_struct beacon_update; 826 struct iwl_rxon_context *beacon_ctx; 827 struct sk_buff *beacon_skb; 828 void *beacon_cmd; 829 830 struct work_struct tt_work; 831 struct work_struct ct_enter; 832 struct work_struct ct_exit; 833 struct work_struct start_internal_scan; 834 struct work_struct tx_flush; 835 struct work_struct bt_full_concurrency; 836 struct work_struct bt_runtime_config; 837 838 struct delayed_work scan_check; 839 840 /* TX Power settings */ 841 s8 tx_power_user_lmt; 842 s8 tx_power_next; 843 844 #ifdef CONFIG_IWLWIFI_DEBUGFS 845 /* debugfs */ 846 struct dentry *debugfs_dir; 847 u32 dbgfs_sram_offset, dbgfs_sram_len; 848 bool disable_ht40; 849 void *wowlan_sram; 850 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 851 852 struct iwl_nvm_data *nvm_data; 853 /* eeprom blob for debugfs */ 854 u8 *eeprom_blob; 855 size_t eeprom_blob_size; 856 857 struct work_struct txpower_work; 858 u32 calib_disabled; 859 struct work_struct run_time_calib_work; 860 struct timer_list statistics_periodic; 861 struct timer_list ucode_trace; 862 863 struct iwl_event_log event_log; 864 865 #ifdef CONFIG_IWLWIFI_LEDS 866 struct led_classdev led; 867 unsigned long blink_on, blink_off; 868 bool led_registered; 869 #endif 870 871 /* WoWLAN GTK rekey data */ 872 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 873 __le64 replay_ctr; 874 __le16 last_seq_ctl; 875 bool have_rekey_data; 876 #ifdef CONFIG_PM_SLEEP 877 struct wiphy_wowlan_support wowlan_support; 878 #endif 879 880 /* device_pointers: pointers to ucode event tables */ 881 struct { 882 u32 error_event_table; 883 u32 log_event_table; 884 } device_pointers; 885 886 /* indicator of loaded ucode image */ 887 enum iwl_ucode_type cur_ucode; 888 }; /*iwl_priv */ 889 890 static inline struct iwl_rxon_context * 891 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 892 { 893 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 894 895 return vif_priv->ctx; 896 } 897 898 #define for_each_context(priv, ctx) \ 899 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 900 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 901 if (priv->valid_contexts & BIT(ctx->ctxid)) 902 903 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 904 { 905 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 906 } 907 908 static inline int iwl_is_associated(struct iwl_priv *priv, 909 enum iwl_rxon_context_id ctxid) 910 { 911 return iwl_is_associated_ctx(&priv->contexts[ctxid]); 912 } 913 914 static inline int iwl_is_any_associated(struct iwl_priv *priv) 915 { 916 struct iwl_rxon_context *ctx; 917 for_each_context(priv, ctx) 918 if (iwl_is_associated_ctx(ctx)) 919 return true; 920 return false; 921 } 922 923 #endif /* __iwl_dev_h__ */ 924