1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /******************************************************************************
3 *
4 * Copyright(c) 2003 - 2014, 2020, 2023 Intel Corporation. All rights reserved.
5 * Copyright (C) 2025 Intel Corporation
6 *****************************************************************************/
7 /*
8 * Please use this file (dev.h) for driver implementation definitions.
9 * Please use commands.h for uCode API definitions.
10 */
11
12 #ifndef __iwl_dev_h__
13 #define __iwl_dev_h__
14
15 #include <linux/interrupt.h>
16 #include <linux/kernel.h>
17 #include <linux/wait.h>
18 #include <linux/leds.h>
19 #include <linux/slab.h>
20 #include <linux/mutex.h>
21
22 #include "fw/img.h"
23 #include "iwl-nvm-utils.h"
24 #include "iwl-csr.h"
25 #include "iwl-debug.h"
26 #include "iwl-agn-hw.h"
27 #include "iwl-op-mode.h"
28 #include "fw/notif-wait.h"
29 #include "iwl-trans.h"
30
31 #include "led.h"
32 #include "power.h"
33 #include "rs.h"
34 #include "tt.h"
35
36 /* CT-KILL constants */
37 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
38 #define CT_KILL_THRESHOLD 114 /* in Celsius */
39 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
40
41 /* Default noise level to report when noise measurement is not available.
42 * This may be because we're:
43 * 1) Not associated no beacon statistics being sent to driver)
44 * 2) Scanning (noise measurement does not apply to associated channel)
45 * Use default noise value of -127 ... this is below the range of measurable
46 * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
47 * Also, -127 works better than 0 when averaging frames with/without
48 * noise info (e.g. averaging might be done in app); measured dBm values are
49 * always negative ... using a negative value as the default keeps all
50 * averages within an s8's (used in some apps) range of negative values. */
51 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
52
53 /*
54 * RTS threshold here is total size [2347] minus 4 FCS bytes
55 * Per spec:
56 * a value of 0 means RTS on all data/management packets
57 * a value > max MSDU size means no RTS
58 * else RTS for data/management frames where MPDU is larger
59 * than RTS value.
60 */
61 #define DEFAULT_RTS_THRESHOLD 2347U
62 #define MIN_RTS_THRESHOLD 0U
63 #define MAX_RTS_THRESHOLD 2347U
64 #define MAX_MSDU_SIZE 2304U
65 #define MAX_MPDU_SIZE 2346U
66 #define DEFAULT_BEACON_INTERVAL 200U
67 #define DEFAULT_SHORT_RETRY_LIMIT 7U
68 #define DEFAULT_LONG_RETRY_LIMIT 4U
69
70 #define IWL_NUM_SCAN_RATES (2)
71
72
73 #define IEEE80211_DATA_LEN 2304
74 #define IEEE80211_4ADDR_LEN 30
75 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
76 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
77
78 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
79 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
80 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
81
82 #define IWL_SUPPORTED_RATES_IE_LEN 8
83
84 #define IWL_INVALID_RATE 0xFF
85 #define IWL_INVALID_VALUE -1
86
87 union iwl_ht_rate_supp {
88 u16 rates;
89 struct {
90 u8 siso_rate;
91 u8 mimo_rate;
92 };
93 };
94
95 struct iwl_ht_config {
96 bool single_chain_sufficient;
97 enum ieee80211_smps_mode smps; /* current smps mode */
98 };
99
100 /* QoS structures */
101 struct iwl_qos_info {
102 int qos_active;
103 struct iwl_qosparam_cmd def_qos_parm;
104 };
105
106 /**
107 * enum iwl_agg_state - aggregation state
108 *
109 * The state machine of the BA agreement establishment / tear down.
110 * These states relate to a specific RA / TID.
111 *
112 * @IWL_AGG_OFF: aggregation is not used
113 * @IWL_AGG_STARTING: aggregation are starting (between start and oper)
114 * @IWL_AGG_ON: aggregation session is up
115 * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
116 * HW queue to be empty from packets for this RA /TID.
117 * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
118 * HW queue to be empty from packets for this RA /TID.
119 */
120 enum iwl_agg_state {
121 IWL_AGG_OFF = 0,
122 IWL_AGG_STARTING,
123 IWL_AGG_ON,
124 IWL_EMPTYING_HW_QUEUE_ADDBA,
125 IWL_EMPTYING_HW_QUEUE_DELBA,
126 };
127
128 /**
129 * struct iwl_ht_agg - aggregation state machine
130 *
131 * This structs holds the states for the BA agreement establishment and tear
132 * down. It also holds the state during the BA session itself. This struct is
133 * duplicated for each RA / TID.
134 *
135 * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
136 * Tx response (REPLY_TX), and the block ack notification
137 * (REPLY_COMPRESSED_BA).
138 * @state: state of the BA agreement establishment / tear down.
139 * @txq_id: Tx queue used by the BA session
140 * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
141 * the first packet to be sent in legacy HW queue in Tx AGG stop flow.
142 * Basically when next_reclaimed reaches ssn, we can tell mac80211 that
143 * we are ready to finish the Tx AGG stop / start flow.
144 * @wait_for_ba: Expect block-ack before next Tx reply
145 */
146 struct iwl_ht_agg {
147 u32 rate_n_flags;
148 enum iwl_agg_state state;
149 u16 txq_id;
150 u16 ssn;
151 bool wait_for_ba;
152 };
153
154 /**
155 * struct iwl_tid_data - one for each RA / TID
156 *
157 * This structs holds the states for each RA / TID.
158 *
159 * @seq_number: the next WiFi sequence number to use
160 * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
161 * This is basically (last acked packet++).
162 * @agg: aggregation state machine
163 */
164 struct iwl_tid_data {
165 u16 seq_number;
166 u16 next_reclaimed;
167 struct iwl_ht_agg agg;
168 };
169
170 /*
171 * Structure should be accessed with sta_lock held. When station addition
172 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
173 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
174 * held.
175 */
176 struct iwl_station_entry {
177 struct iwl_addsta_cmd sta;
178 u8 used, ctxid;
179 struct iwl_link_quality_cmd *lq;
180 };
181
182 /*
183 * iwl_station_priv: Driver's private station information
184 *
185 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
186 * in the structure for use by driver. This structure is places in that
187 * space.
188 */
189 struct iwl_station_priv {
190 struct iwl_rxon_context *ctx;
191 struct iwl_lq_sta lq_sta;
192 atomic_t pending_frames;
193 bool client;
194 bool asleep;
195 u8 max_agg_bufsize;
196 u8 sta_id;
197 };
198
199 /*
200 * struct iwl_vif_priv - driver's private per-interface information
201 *
202 * When mac80211 allocates a virtual interface, it can allocate
203 * space for us to put data into.
204 */
205 struct iwl_vif_priv {
206 struct iwl_rxon_context *ctx;
207 u8 ibss_bssid_sta_id;
208 };
209
210 struct iwl_sensitivity_ranges {
211 u16 min_nrg_cck;
212
213 u16 nrg_th_cck;
214 u16 nrg_th_ofdm;
215
216 u16 auto_corr_min_ofdm;
217 u16 auto_corr_min_ofdm_mrc;
218 u16 auto_corr_min_ofdm_x1;
219 u16 auto_corr_min_ofdm_mrc_x1;
220
221 u16 auto_corr_max_ofdm;
222 u16 auto_corr_max_ofdm_mrc;
223 u16 auto_corr_max_ofdm_x1;
224 u16 auto_corr_max_ofdm_mrc_x1;
225
226 u16 auto_corr_max_cck;
227 u16 auto_corr_max_cck_mrc;
228 u16 auto_corr_min_cck;
229 u16 auto_corr_min_cck_mrc;
230
231 u16 barker_corr_th_min;
232 u16 barker_corr_th_min_mrc;
233 u16 nrg_th_cca;
234 };
235
236 /******************************************************************************
237 *
238 * Functions implemented in core module which are forward declared here
239 * for use by iwl-[4-5].c
240 *
241 * NOTE: The implementation of these functions are not hardware specific
242 * which is why they are in the core module files.
243 *
244 * Naming convention --
245 * iwl_ <-- Is part of iwlwifi
246 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
247 *
248 ****************************************************************************/
249 void iwl_update_chain_flags(struct iwl_priv *priv);
250 extern const u8 iwl_bcast_addr[ETH_ALEN];
251
252 #define IWL_OPERATION_MODE_AUTO 0
253 #define IWL_OPERATION_MODE_HT_ONLY 1
254 #define IWL_OPERATION_MODE_MIXED 2
255 #define IWL_OPERATION_MODE_20MHZ 3
256
257 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
258
259 /* Sensitivity and chain noise calibration */
260 #define INITIALIZATION_VALUE 0xFFFF
261 #define IWL_CAL_NUM_BEACONS 16
262 #define MAXIMUM_ALLOWED_PATHLOSS 15
263
264 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
265
266 #define MAX_FA_OFDM 50
267 #define MIN_FA_OFDM 5
268 #define MAX_FA_CCK 50
269 #define MIN_FA_CCK 5
270
271 #define AUTO_CORR_STEP_OFDM 1
272
273 #define AUTO_CORR_STEP_CCK 3
274 #define AUTO_CORR_MAX_TH_CCK 160
275
276 #define NRG_DIFF 2
277 #define NRG_STEP_CCK 2
278 #define NRG_MARGIN 8
279 #define MAX_NUMBER_CCK_NO_FA 100
280
281 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
282
283 #define CHAIN_A 0
284 #define CHAIN_B 1
285 #define CHAIN_C 2
286 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
287 #define ALL_BAND_FILTER 0xFF00
288 #define IN_BAND_FILTER 0xFF
289 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
290
291 #define NRG_NUM_PREV_STAT_L 20
292 #define NUM_RX_CHAINS 3
293
294 enum iwlagn_false_alarm_state {
295 IWL_FA_TOO_MANY = 0,
296 IWL_FA_TOO_FEW = 1,
297 IWL_FA_GOOD_RANGE = 2,
298 };
299
300 enum iwlagn_chain_noise_state {
301 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
302 IWL_CHAIN_NOISE_ACCUMULATE,
303 IWL_CHAIN_NOISE_CALIBRATED,
304 IWL_CHAIN_NOISE_DONE,
305 };
306
307 /* Sensitivity calib data */
308 struct iwl_sensitivity_data {
309 u32 auto_corr_ofdm;
310 u32 auto_corr_ofdm_mrc;
311 u32 auto_corr_ofdm_x1;
312 u32 auto_corr_ofdm_mrc_x1;
313 u32 auto_corr_cck;
314 u32 auto_corr_cck_mrc;
315
316 u32 last_bad_plcp_cnt_ofdm;
317 u32 last_fa_cnt_ofdm;
318 u32 last_bad_plcp_cnt_cck;
319 u32 last_fa_cnt_cck;
320
321 u32 nrg_curr_state;
322 u32 nrg_prev_state;
323 u32 nrg_value[10];
324 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
325 u32 nrg_silence_ref;
326 u32 nrg_energy_idx;
327 u32 nrg_silence_idx;
328 u32 nrg_th_cck;
329 s32 nrg_auto_corr_silence_diff;
330 u32 num_in_cck_no_fa;
331 u32 nrg_th_ofdm;
332
333 u16 barker_corr_th_min;
334 u16 barker_corr_th_min_mrc;
335 u16 nrg_th_cca;
336 };
337
338 /* Chain noise (differential Rx gain) calib data */
339 struct iwl_chain_noise_data {
340 u32 active_chains;
341 u32 chain_noise_a;
342 u32 chain_noise_b;
343 u32 chain_noise_c;
344 u32 chain_signal_a;
345 u32 chain_signal_b;
346 u32 chain_signal_c;
347 u16 beacon_count;
348 u8 disconn_array[NUM_RX_CHAINS];
349 u8 delta_gain_code[NUM_RX_CHAINS];
350 u8 radio_write;
351 u8 state;
352 };
353
354 enum {
355 MEASUREMENT_READY = (1 << 0),
356 MEASUREMENT_ACTIVE = (1 << 1),
357 };
358
359 /* reply_tx_statistics (for _agn devices) */
360 struct reply_tx_error_statistics {
361 u32 pp_delay;
362 u32 pp_few_bytes;
363 u32 pp_bt_prio;
364 u32 pp_quiet_period;
365 u32 pp_calc_ttak;
366 u32 int_crossed_retry;
367 u32 short_limit;
368 u32 long_limit;
369 u32 fifo_underrun;
370 u32 drain_flow;
371 u32 rfkill_flush;
372 u32 life_expire;
373 u32 dest_ps;
374 u32 host_abort;
375 u32 bt_retry;
376 u32 sta_invalid;
377 u32 frag_drop;
378 u32 tid_disable;
379 u32 fifo_flush;
380 u32 insuff_cf_poll;
381 u32 fail_hw_drop;
382 u32 sta_color_mismatch;
383 u32 unknown;
384 };
385
386 /* reply_agg_tx_statistics (for _agn devices) */
387 struct reply_agg_tx_error_statistics {
388 u32 underrun;
389 u32 bt_prio;
390 u32 few_bytes;
391 u32 abort;
392 u32 last_sent_ttl;
393 u32 last_sent_try;
394 u32 last_sent_bt_kill;
395 u32 scd_query;
396 u32 bad_crc32;
397 u32 response;
398 u32 dump_tx;
399 u32 delay_tx;
400 u32 unknown;
401 };
402
403 /*
404 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
405 * to perform continuous uCode event logging operation if enabled
406 */
407 #define UCODE_TRACE_PERIOD (10)
408
409 /*
410 * iwl_event_log: current uCode event log position
411 *
412 * @ucode_trace: enable/disable ucode continuous trace timer
413 * @num_wraps: how many times the event buffer wraps
414 * @next_entry: the entry just before the next one that uCode would fill
415 * @non_wraps_count: counter for no wrap detected when dump ucode events
416 * @wraps_once_count: counter for wrap once detected when dump ucode events
417 * @wraps_more_count: counter for wrap more than once detected
418 * when dump ucode events
419 */
420 struct iwl_event_log {
421 bool ucode_trace;
422 u32 num_wraps;
423 u32 next_entry;
424 int non_wraps_count;
425 int wraps_once_count;
426 int wraps_more_count;
427 };
428
429 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
430
431 /* BT Antenna Coupling Threshold (dB) */
432 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
433
434 /* Firmware reload counter and Timestamp */
435 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
436 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
437
438
439 struct iwl_rf_reset {
440 int reset_request_count;
441 int reset_success_count;
442 int reset_reject_count;
443 unsigned long last_reset_jiffies;
444 };
445
446 enum iwl_rxon_context_id {
447 IWL_RXON_CTX_BSS,
448 IWL_RXON_CTX_PAN,
449
450 NUM_IWL_RXON_CTX
451 };
452
453 /* extend beacon time format bit shifting */
454 /*
455 * for _agn devices
456 * bits 31:22 - extended
457 * bits 21:0 - interval
458 */
459 #define IWLAGN_EXT_BEACON_TIME_POS 22
460
461 struct iwl_rxon_context {
462 struct ieee80211_vif *vif;
463
464 u8 mcast_queue;
465 u8 ac_to_queue[IEEE80211_NUM_ACS];
466 u8 ac_to_fifo[IEEE80211_NUM_ACS];
467
468 /*
469 * We could use the vif to indicate active, but we
470 * also need it to be active during disabling when
471 * we already removed the vif for type setting.
472 */
473 bool always_active, is_active;
474
475 bool ht_need_multiple_chains;
476
477 enum iwl_rxon_context_id ctxid;
478
479 u32 interface_modes, exclusive_interface_modes;
480 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
481
482 /*
483 * We declare this const so it can only be
484 * changed via explicit cast within the
485 * routines that actually update the physical
486 * hardware.
487 */
488 const struct iwl_rxon_cmd active;
489 struct iwl_rxon_cmd staging;
490
491 struct iwl_rxon_time_cmd timing;
492
493 struct iwl_qos_info qos_data;
494
495 u8 bcast_sta_id, ap_sta_id;
496
497 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
498 u8 qos_cmd;
499 u8 wep_key_cmd;
500
501 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
502 u8 key_mapping_keys;
503
504 __le32 station_flags;
505
506 int beacon_int;
507
508 struct {
509 bool non_gf_sta_present;
510 u8 protection;
511 bool enabled, is_40mhz;
512 u8 extension_chan_offset;
513 } ht;
514 };
515
516 enum iwl_scan_type {
517 IWL_SCAN_NORMAL,
518 IWL_SCAN_RADIO_RESET,
519 };
520
521 /**
522 * struct iwl_hw_params - HW parameters
523 *
524 * Holds the module parameters
525 *
526 * @tx_chains_num: Number of TX chains
527 * @rx_chains_num: Number of RX chains
528 * @ct_kill_threshold: temperature threshold - in hw dependent unit
529 * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
530 * relevant for 1000, 6000 and up
531 * @struct iwl_sensitivity_ranges: range of sensitivity values
532 * @use_rts_for_aggregation: use rts/cts protection for HT traffic
533 * @sens: sensitivity ranges pointer
534 */
535 struct iwl_hw_params {
536 u8 tx_chains_num;
537 u8 rx_chains_num;
538 bool use_rts_for_aggregation;
539 u32 ct_kill_threshold;
540 u32 ct_kill_exit_threshold;
541
542 const struct iwl_sensitivity_ranges *sens;
543 };
544
545 /**
546 * struct iwl_dvm_bt_params - DVM specific BT (coex) parameters
547 * @advanced_bt_coexist: support advanced bt coexist
548 * @bt_init_traffic_load: specify initial bt traffic load
549 * @bt_prio_boost: default bt priority boost value
550 * @agg_time_limit: maximum number of uSec in aggregation
551 * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode
552 * @bt_session_2: indicates version 2 of the BT command is used
553 */
554 struct iwl_dvm_bt_params {
555 bool advanced_bt_coexist;
556 u8 bt_init_traffic_load;
557 u32 bt_prio_boost;
558 u16 agg_time_limit;
559 bool bt_sco_disable;
560 bool bt_session_2;
561 };
562
563 /**
564 * struct iwl_dvm_cfg - DVM firmware specific device configuration
565 * @set_hw_params: set hardware parameters
566 * @set_channel_switch: send channel switch command
567 * @nic_config: apply device specific configuration
568 * @temperature: read temperature
569 * @adv_thermal_throttle: support advance thermal throttle
570 * @support_ct_kill_exit: support ct kill exit condition
571 * @plcp_delta_threshold: plcp error rate threshold used to trigger
572 * radio tuning when there is a high receiving plcp error rate
573 * @chain_noise_scale: default chain noise scale used for gain computation
574 * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
575 * @no_idle_support: do not support idle mode
576 * @bt_params: pointer to BT parameters
577 * @need_temp_offset_calib: need to perform temperature offset calibration
578 * @no_xtal_calib: some devices do not need crystal calibration data,
579 * don't send it to those
580 * @temp_offset_v2: support v2 of temperature offset calibration
581 * @adv_pm: advanced power management
582 */
583 struct iwl_dvm_cfg {
584 void (*set_hw_params)(struct iwl_priv *priv);
585 int (*set_channel_switch)(struct iwl_priv *priv,
586 struct ieee80211_channel_switch *ch_switch);
587 void (*nic_config)(struct iwl_priv *priv);
588 void (*temperature)(struct iwl_priv *priv);
589
590 const struct iwl_dvm_bt_params *bt_params;
591 s32 chain_noise_scale;
592 u8 plcp_delta_threshold;
593 bool adv_thermal_throttle;
594 bool support_ct_kill_exit;
595 bool hd_v2;
596 bool no_idle_support;
597 bool need_temp_offset_calib;
598 bool no_xtal_calib;
599 bool temp_offset_v2;
600 bool adv_pm;
601 };
602
603 struct iwl_wipan_noa_data {
604 struct rcu_head rcu_head;
605 u32 length;
606 u8 data[];
607 };
608
609 /* Calibration disabling bit mask */
610 enum {
611 IWL_CALIB_ENABLE_ALL = 0,
612
613 IWL_SENSITIVITY_CALIB_DISABLED = BIT(0),
614 IWL_CHAIN_NOISE_CALIB_DISABLED = BIT(1),
615 IWL_TX_POWER_CALIB_DISABLED = BIT(2),
616
617 IWL_CALIB_DISABLE_ALL = 0xFFFFFFFF,
618 };
619
620 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
621 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
622
623 #define IWL_MAC80211_GET_DVM(_hw) \
624 ((struct iwl_priv *) ((struct iwl_op_mode *) \
625 (_hw)->priv)->op_mode_specific)
626
627 struct iwl_priv {
628
629 struct iwl_trans *trans;
630 struct device *dev; /* for debug prints only */
631 const struct iwl_rf_cfg *cfg;
632 const struct iwl_fw *fw;
633 const struct iwl_dvm_cfg *lib;
634 unsigned long status;
635
636 spinlock_t sta_lock;
637 struct mutex mutex;
638
639 unsigned long transport_queue_stop;
640 bool passive_no_rx;
641 #define IWL_INVALID_MAC80211_QUEUE 0xff
642 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
643 atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
644
645 unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
646
647 /* ieee device used by generic ieee processing code */
648 struct ieee80211_hw *hw;
649
650 struct napi_struct *napi;
651
652 struct list_head calib_results;
653
654 struct workqueue_struct *workqueue;
655
656 struct iwl_hw_params hw_params;
657
658 enum nl80211_band band;
659 u8 valid_contexts;
660
661 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
662 struct iwl_rx_cmd_buffer *rxb);
663
664 struct iwl_notif_wait_data notif_wait;
665
666 /* spectrum measurement report caching */
667 struct iwl_spectrum_notification measure_report;
668 u8 measurement_status;
669
670 /* ucode beacon time */
671 u32 ucode_beacon_time;
672 int missed_beacon_threshold;
673
674 /* track IBSS manager (last beacon) status */
675 u32 ibss_manager;
676
677 /* jiffies when last recovery from statistics was performed */
678 unsigned long rx_statistics_jiffies;
679
680 /*counters */
681 u32 rx_handlers_stats[REPLY_MAX];
682
683 /* rf reset */
684 struct iwl_rf_reset rf_reset;
685
686 /* firmware reload counter and timestamp */
687 unsigned long reload_jiffies;
688 int reload_count;
689 bool ucode_loaded;
690
691 u8 plcp_delta_threshold;
692
693 /* thermal calibration */
694 s32 temperature; /* Celsius */
695 s32 last_temperature;
696
697 struct iwl_wipan_noa_data __rcu *noa_data;
698
699 /* Scan related variables */
700 unsigned long scan_start;
701 unsigned long scan_start_tsf;
702 size_t scan_cmd_size;
703 void *scan_cmd;
704 enum nl80211_band scan_band;
705 struct cfg80211_scan_request *scan_request;
706 struct ieee80211_vif *scan_vif;
707 enum iwl_scan_type scan_type;
708 u8 scan_tx_ant[NUM_NL80211_BANDS];
709 u8 mgmt_tx_ant;
710
711 /* max number of station keys */
712 u8 sta_key_max_num;
713
714 bool new_scan_threshold_behaviour;
715
716 bool wowlan;
717
718 /* EEPROM MAC addresses */
719 struct mac_address addresses[2];
720
721 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
722
723 __le16 switch_channel;
724
725 u8 start_calib;
726 struct iwl_sensitivity_data sensitivity_data;
727 struct iwl_chain_noise_data chain_noise_data;
728 __le16 sensitivity_tbl[HD_TABLE_SIZE];
729 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
730
731 struct iwl_ht_config current_ht_config;
732
733 /* Rate scaling data */
734 u8 retry_rate;
735
736 int activity_timer_active;
737
738 struct iwl_power_mgr power_data;
739 struct iwl_tt_mgmt thermal_throttle;
740
741 /* station table variables */
742 int num_stations;
743 struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
744 unsigned long ucode_key_table;
745 struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
746 atomic_t num_aux_in_flight;
747
748 u8 mac80211_registered;
749
750 /* Indication if ieee80211_ops->open has been called */
751 u8 is_open;
752
753 enum nl80211_iftype iw_mode;
754
755 /* Last Rx'd beacon timestamp */
756 u64 timestamp;
757
758 struct {
759 __le32 flag;
760 struct statistics_general_common common;
761 struct statistics_rx_non_phy rx_non_phy;
762 struct statistics_rx_phy rx_ofdm;
763 struct statistics_rx_ht_phy rx_ofdm_ht;
764 struct statistics_rx_phy rx_cck;
765 struct statistics_tx tx;
766 #ifdef CONFIG_IWLWIFI_DEBUGFS
767 struct statistics_bt_activity bt_activity;
768 __le32 num_bt_kills, accum_num_bt_kills;
769 #endif
770 spinlock_t lock;
771 } statistics;
772 #ifdef CONFIG_IWLWIFI_DEBUGFS
773 struct {
774 struct statistics_general_common common;
775 struct statistics_rx_non_phy rx_non_phy;
776 struct statistics_rx_phy rx_ofdm;
777 struct statistics_rx_ht_phy rx_ofdm_ht;
778 struct statistics_rx_phy rx_cck;
779 struct statistics_tx tx;
780 struct statistics_bt_activity bt_activity;
781 } accum_stats, delta_stats, max_delta_stats;
782 #endif
783
784 /*
785 * reporting the number of tids has AGG on. 0 means
786 * no AGGREGATION
787 */
788 u8 agg_tids_count;
789
790 struct iwl_rx_phy_res last_phy_res;
791 u32 ampdu_ref;
792 bool last_phy_res_valid;
793
794 /*
795 * chain noise reset and gain commands are the
796 * two extra calibration commands follows the standard
797 * phy calibration commands
798 */
799 u8 phy_calib_chain_noise_reset_cmd;
800 u8 phy_calib_chain_noise_gain_cmd;
801
802 /* counts reply_tx error */
803 struct reply_tx_error_statistics reply_tx_stats;
804 struct reply_agg_tx_error_statistics reply_agg_tx_stats;
805
806 /* bt coex */
807 u8 bt_enable_flag;
808 u8 bt_status;
809 u8 bt_traffic_load, last_bt_traffic_load;
810 bool bt_ch_announce;
811 bool bt_full_concurrent;
812 __le32 kill_ack_mask;
813 __le32 kill_cts_mask;
814 __le16 bt_valid;
815 bool reduced_txpower;
816 u16 bt_on_thresh;
817 u16 bt_duration;
818 u16 dynamic_frag_thresh;
819 u8 bt_ci_compliance;
820 struct work_struct bt_traffic_change_work;
821 bool bt_enable_pspoll;
822 struct iwl_rxon_context *cur_rssi_ctx;
823 bool bt_is_sco;
824
825 struct work_struct restart;
826 struct work_struct scan_completed;
827 struct work_struct abort_scan;
828
829 struct work_struct beacon_update;
830 struct iwl_rxon_context *beacon_ctx;
831 struct sk_buff *beacon_skb;
832 void *beacon_cmd;
833
834 struct work_struct tt_work;
835 struct work_struct ct_enter;
836 struct work_struct ct_exit;
837 struct work_struct start_internal_scan;
838 struct work_struct tx_flush;
839 struct work_struct bt_full_concurrency;
840 struct work_struct bt_runtime_config;
841
842 struct delayed_work scan_check;
843
844 /* TX Power settings */
845 s8 tx_power_user_lmt;
846 s8 tx_power_next;
847
848 #ifdef CONFIG_IWLWIFI_DEBUGFS
849 /* debugfs */
850 struct dentry *debugfs_dir;
851 u32 dbgfs_sram_offset, dbgfs_sram_len;
852 bool disable_ht40;
853 void *wowlan_sram;
854 #endif /* CONFIG_IWLWIFI_DEBUGFS */
855
856 struct iwl_nvm_data *nvm_data;
857 /* eeprom blob for debugfs */
858 u8 *eeprom_blob;
859 size_t eeprom_blob_size;
860
861 struct work_struct txpower_work;
862 u32 calib_disabled;
863 struct work_struct run_time_calib_work;
864 struct timer_list statistics_periodic;
865 struct timer_list ucode_trace;
866
867 struct iwl_event_log event_log;
868
869 #ifdef CONFIG_IWLWIFI_LEDS
870 struct led_classdev led;
871 unsigned long blink_on, blink_off;
872 bool led_registered;
873 #endif
874
875 /* WoWLAN GTK rekey data */
876 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
877 __le64 replay_ctr;
878 __le16 last_seq_ctl;
879 bool have_rekey_data;
880 #ifdef CONFIG_PM_SLEEP
881 struct wiphy_wowlan_support wowlan_support;
882 #endif
883
884 /* device_pointers: pointers to ucode event tables */
885 struct {
886 u32 error_event_table;
887 u32 log_event_table;
888 } device_pointers;
889
890 /* indicator of loaded ucode image */
891 enum iwl_ucode_type cur_ucode;
892 }; /*iwl_priv */
893
894 static inline struct iwl_rxon_context *
iwl_rxon_ctx_from_vif(struct ieee80211_vif * vif)895 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
896 {
897 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
898
899 return vif_priv->ctx;
900 }
901
902 #define for_each_context(priv, ctx) \
903 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
904 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
905 if (priv->valid_contexts & BIT(ctx->ctxid))
906
iwl_is_associated_ctx(struct iwl_rxon_context * ctx)907 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
908 {
909 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
910 }
911
iwl_is_associated(struct iwl_priv * priv,enum iwl_rxon_context_id ctxid)912 static inline int iwl_is_associated(struct iwl_priv *priv,
913 enum iwl_rxon_context_id ctxid)
914 {
915 return iwl_is_associated_ctx(&priv->contexts[ctxid]);
916 }
917
iwl_is_any_associated(struct iwl_priv * priv)918 static inline int iwl_is_any_associated(struct iwl_priv *priv)
919 {
920 struct iwl_rxon_context *ctx;
921 for_each_context(priv, ctx)
922 if (iwl_is_associated_ctx(ctx))
923 return true;
924 return false;
925 }
926
927 #endif /* __iwl_dev_h__ */
928