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__ */ 935