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 size_t scan_cmd_size;
700 void *scan_cmd;
701 enum nl80211_band scan_band;
702 struct cfg80211_scan_request *scan_request;
703 struct ieee80211_vif *scan_vif;
704 enum iwl_scan_type scan_type;
705 u8 scan_tx_ant[NUM_NL80211_BANDS];
706 u8 mgmt_tx_ant;
707
708 /* max number of station keys */
709 u8 sta_key_max_num;
710
711 bool new_scan_threshold_behaviour;
712
713 bool wowlan;
714
715 /* EEPROM MAC addresses */
716 struct mac_address addresses[2];
717
718 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
719
720 __le16 switch_channel;
721
722 u8 start_calib;
723 struct iwl_sensitivity_data sensitivity_data;
724 struct iwl_chain_noise_data chain_noise_data;
725 __le16 sensitivity_tbl[HD_TABLE_SIZE];
726 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
727
728 struct iwl_ht_config current_ht_config;
729
730 /* Rate scaling data */
731 u8 retry_rate;
732
733 int activity_timer_active;
734
735 struct iwl_power_mgr power_data;
736 struct iwl_tt_mgmt thermal_throttle;
737
738 /* station table variables */
739 int num_stations;
740 struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
741 unsigned long ucode_key_table;
742 struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
743 atomic_t num_aux_in_flight;
744
745 u8 mac80211_registered;
746
747 /* Indication if ieee80211_ops->open has been called */
748 u8 is_open;
749
750 enum nl80211_iftype iw_mode;
751
752 /* Last Rx'd beacon timestamp */
753 u64 timestamp;
754
755 struct {
756 __le32 flag;
757 struct statistics_general_common common;
758 struct statistics_rx_non_phy rx_non_phy;
759 struct statistics_rx_phy rx_ofdm;
760 struct statistics_rx_ht_phy rx_ofdm_ht;
761 struct statistics_rx_phy rx_cck;
762 struct statistics_tx tx;
763 #ifdef CONFIG_IWLWIFI_DEBUGFS
764 struct statistics_bt_activity bt_activity;
765 __le32 num_bt_kills, accum_num_bt_kills;
766 #endif
767 spinlock_t lock;
768 } statistics;
769 #ifdef CONFIG_IWLWIFI_DEBUGFS
770 struct {
771 struct statistics_general_common common;
772 struct statistics_rx_non_phy rx_non_phy;
773 struct statistics_rx_phy rx_ofdm;
774 struct statistics_rx_ht_phy rx_ofdm_ht;
775 struct statistics_rx_phy rx_cck;
776 struct statistics_tx tx;
777 struct statistics_bt_activity bt_activity;
778 } accum_stats, delta_stats, max_delta_stats;
779 #endif
780
781 /*
782 * reporting the number of tids has AGG on. 0 means
783 * no AGGREGATION
784 */
785 u8 agg_tids_count;
786
787 struct iwl_rx_phy_res last_phy_res;
788 u32 ampdu_ref;
789 bool last_phy_res_valid;
790
791 /*
792 * chain noise reset and gain commands are the
793 * two extra calibration commands follows the standard
794 * phy calibration commands
795 */
796 u8 phy_calib_chain_noise_reset_cmd;
797 u8 phy_calib_chain_noise_gain_cmd;
798
799 /* counts reply_tx error */
800 struct reply_tx_error_statistics reply_tx_stats;
801 struct reply_agg_tx_error_statistics reply_agg_tx_stats;
802
803 /* bt coex */
804 u8 bt_enable_flag;
805 u8 bt_status;
806 u8 bt_traffic_load, last_bt_traffic_load;
807 bool bt_ch_announce;
808 bool bt_full_concurrent;
809 __le32 kill_ack_mask;
810 __le32 kill_cts_mask;
811 __le16 bt_valid;
812 bool reduced_txpower;
813 u16 bt_on_thresh;
814 u16 bt_duration;
815 u16 dynamic_frag_thresh;
816 u8 bt_ci_compliance;
817 struct work_struct bt_traffic_change_work;
818 bool bt_enable_pspoll;
819 struct iwl_rxon_context *cur_rssi_ctx;
820 bool bt_is_sco;
821
822 struct work_struct restart;
823 struct work_struct scan_completed;
824 struct work_struct abort_scan;
825
826 struct work_struct beacon_update;
827 struct iwl_rxon_context *beacon_ctx;
828 struct sk_buff *beacon_skb;
829 void *beacon_cmd;
830
831 struct work_struct tt_work;
832 struct work_struct ct_enter;
833 struct work_struct ct_exit;
834 struct work_struct start_internal_scan;
835 struct work_struct tx_flush;
836 struct work_struct bt_full_concurrency;
837 struct work_struct bt_runtime_config;
838
839 struct delayed_work scan_check;
840
841 /* TX Power settings */
842 s8 tx_power_user_lmt;
843 s8 tx_power_next;
844
845 #ifdef CONFIG_IWLWIFI_DEBUGFS
846 /* debugfs */
847 struct dentry *debugfs_dir;
848 u32 dbgfs_sram_offset, dbgfs_sram_len;
849 bool disable_ht40;
850 void *wowlan_sram;
851 #endif /* CONFIG_IWLWIFI_DEBUGFS */
852
853 struct iwl_nvm_data *nvm_data;
854 /* eeprom blob for debugfs */
855 u8 *eeprom_blob;
856 size_t eeprom_blob_size;
857
858 struct work_struct txpower_work;
859 u32 calib_disabled;
860 struct work_struct run_time_calib_work;
861 struct timer_list statistics_periodic;
862 struct timer_list ucode_trace;
863
864 struct iwl_event_log event_log;
865
866 #ifdef CONFIG_IWLWIFI_LEDS
867 struct led_classdev led;
868 unsigned long blink_on, blink_off;
869 bool led_registered;
870 #endif
871
872 /* WoWLAN GTK rekey data */
873 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
874 __le64 replay_ctr;
875 __le16 last_seq_ctl;
876 bool have_rekey_data;
877 #ifdef CONFIG_PM_SLEEP
878 struct wiphy_wowlan_support wowlan_support;
879 #endif
880
881 /* device_pointers: pointers to ucode event tables */
882 struct {
883 u32 error_event_table;
884 u32 log_event_table;
885 } device_pointers;
886
887 /* indicator of loaded ucode image */
888 enum iwl_ucode_type cur_ucode;
889 }; /*iwl_priv */
890
891 static inline struct iwl_rxon_context *
iwl_rxon_ctx_from_vif(struct ieee80211_vif * vif)892 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
893 {
894 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
895
896 return vif_priv->ctx;
897 }
898
899 #define for_each_context(priv, ctx) \
900 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
901 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
902 if (priv->valid_contexts & BIT(ctx->ctxid))
903
iwl_is_associated_ctx(struct iwl_rxon_context * ctx)904 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
905 {
906 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
907 }
908
iwl_is_associated(struct iwl_priv * priv,enum iwl_rxon_context_id ctxid)909 static inline int iwl_is_associated(struct iwl_priv *priv,
910 enum iwl_rxon_context_id ctxid)
911 {
912 return iwl_is_associated_ctx(&priv->contexts[ctxid]);
913 }
914
iwl_is_any_associated(struct iwl_priv * priv)915 static inline int iwl_is_any_associated(struct iwl_priv *priv)
916 {
917 struct iwl_rxon_context *ctx;
918 for_each_context(priv, ctx)
919 if (iwl_is_associated_ctx(ctx))
920 return true;
921 return false;
922 }
923
924 #endif /* __iwl_dev_h__ */
925