dev.h

  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
 87union iwl_ht_rate_supp {
 88	u16 rates;
 89	struct {
 90		u8 siso_rate;
 91		u8 mimo_rate;
 92	};
 93};
 94
 95struct iwl_ht_config {
 96	bool single_chain_sufficient;
 97	enum ieee80211_smps_mode smps; /* current smps mode */
 98};
 99
100/* QoS structures */
101struct 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 */
120enum 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 */
146struct 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 */
164struct 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 */
176struct 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 */
189struct 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 */
205struct iwl_vif_priv {
206	struct iwl_rxon_context *ctx;
207	u8 ibss_bssid_sta_id;
208};
209
210struct 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 ****************************************************************************/
249void iwl_update_chain_flags(struct iwl_priv *priv);
250extern 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
294enum iwlagn_false_alarm_state {
295	IWL_FA_TOO_MANY = 0,
296	IWL_FA_TOO_FEW = 1,
297	IWL_FA_GOOD_RANGE = 2,
298};
299
300enum 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 */
308struct 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 */
339struct 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
354enum {
355	MEASUREMENT_READY = (1 << 0),
356	MEASUREMENT_ACTIVE = (1 << 1),
357};
358
359/* reply_tx_statistics (for _agn devices) */
360struct 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) */
387struct 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 */
420struct 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
439struct 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
446enum 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
461struct 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
516enum 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 */
535struct 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 */
554struct 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 */
583struct 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
603struct iwl_wipan_noa_data {
604	struct rcu_head rcu_head;
605	u32 length;
606	u8 data[];
607};
608
609/* Calibration disabling bit mask */
610enum {
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
627struct 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
894static inline struct iwl_rxon_context *
895iwl_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
907static 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
912static 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
918static 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__ */