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 <linuxwifi@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 nl80211_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 nl80211_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[NUM_NL80211_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__ */ 950