1/* SPDX-License-Identifier: GPL-2.0-only */
2/******************************************************************************
3 *
4 * Copyright(c) 2003 - 2014, 2020, 2023 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
86union iwl_ht_rate_supp {
87	u16 rates;
88	struct {
89		u8 siso_rate;
90		u8 mimo_rate;
91	};
92};
93
94struct iwl_ht_config {
95	bool single_chain_sufficient;
96	enum ieee80211_smps_mode smps; /* current smps mode */
97};
98
99/* QoS structures */
100struct 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 */
119enum 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 */
145struct 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 */
163struct 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 */
175struct 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 */
188struct 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 */
204struct iwl_vif_priv {
205	struct iwl_rxon_context *ctx;
206	u8 ibss_bssid_sta_id;
207};
208
209struct 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 ****************************************************************************/
248void iwl_update_chain_flags(struct iwl_priv *priv);
249extern 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
293enum iwlagn_false_alarm_state {
294	IWL_FA_TOO_MANY = 0,
295	IWL_FA_TOO_FEW = 1,
296	IWL_FA_GOOD_RANGE = 2,
297};
298
299enum 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 */
307struct 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 */
338struct 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
353enum {
354	MEASUREMENT_READY = (1 << 0),
355	MEASUREMENT_ACTIVE = (1 << 1),
356};
357
358/* reply_tx_statistics (for _agn devices) */
359struct 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) */
386struct 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 */
419struct 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
438struct 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
445enum 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
460struct 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
515enum 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 * @sens: sensitivity ranges pointer
533 */
534struct iwl_hw_params {
535	u8  tx_chains_num;
536	u8  rx_chains_num;
537	bool use_rts_for_aggregation;
538	u32 ct_kill_threshold;
539	u32 ct_kill_exit_threshold;
540
541	const struct iwl_sensitivity_ranges *sens;
542};
543
544/**
545 * struct iwl_dvm_bt_params - DVM specific BT (coex) parameters
546 * @advanced_bt_coexist: support advanced bt coexist
547 * @bt_init_traffic_load: specify initial bt traffic load
548 * @bt_prio_boost: default bt priority boost value
549 * @agg_time_limit: maximum number of uSec in aggregation
550 * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode
551 * @bt_session_2: indicates version 2 of the BT command is used
552 */
553struct iwl_dvm_bt_params {
554	bool advanced_bt_coexist;
555	u8 bt_init_traffic_load;
556	u32 bt_prio_boost;
557	u16 agg_time_limit;
558	bool bt_sco_disable;
559	bool bt_session_2;
560};
561
562/**
563 * struct iwl_dvm_cfg - DVM firmware specific device configuration
564 * @set_hw_params: set hardware parameters
565 * @set_channel_switch: send channel switch command
566 * @nic_config: apply device specific configuration
567 * @temperature: read temperature
568 * @adv_thermal_throttle: support advance thermal throttle
569 * @support_ct_kill_exit: support ct kill exit condition
570 * @plcp_delta_threshold: plcp error rate threshold used to trigger
571 *	radio tuning when there is a high receiving plcp error rate
572 * @chain_noise_scale: default chain noise scale used for gain computation
573 * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
574 * @no_idle_support: do not support idle mode
575 * @bt_params: pointer to BT parameters
576 * @need_temp_offset_calib: need to perform temperature offset calibration
577 * @no_xtal_calib: some devices do not need crystal calibration data,
578 *	don't send it to those
579 * @temp_offset_v2: support v2 of temperature offset calibration
580 * @adv_pm: advanced power management
581 */
582struct iwl_dvm_cfg {
583	void (*set_hw_params)(struct iwl_priv *priv);
584	int (*set_channel_switch)(struct iwl_priv *priv,
585				  struct ieee80211_channel_switch *ch_switch);
586	void (*nic_config)(struct iwl_priv *priv);
587	void (*temperature)(struct iwl_priv *priv);
588
589	const struct iwl_dvm_bt_params *bt_params;
590	s32 chain_noise_scale;
591	u8 plcp_delta_threshold;
592	bool adv_thermal_throttle;
593	bool support_ct_kill_exit;
594	bool hd_v2;
595	bool no_idle_support;
596	bool need_temp_offset_calib;
597	bool no_xtal_calib;
598	bool temp_offset_v2;
599	bool adv_pm;
600};
601
602struct iwl_wipan_noa_data {
603	struct rcu_head rcu_head;
604	u32 length;
605	u8 data[];
606};
607
608/* Calibration disabling bit mask */
609enum {
610	IWL_CALIB_ENABLE_ALL			= 0,
611
612	IWL_SENSITIVITY_CALIB_DISABLED		= BIT(0),
613	IWL_CHAIN_NOISE_CALIB_DISABLED		= BIT(1),
614	IWL_TX_POWER_CALIB_DISABLED		= BIT(2),
615
616	IWL_CALIB_DISABLE_ALL			= 0xFFFFFFFF,
617};
618
619#define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
620	((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
621
622#define IWL_MAC80211_GET_DVM(_hw) \
623	((struct iwl_priv *) ((struct iwl_op_mode *) \
624	(_hw)->priv)->op_mode_specific)
625
626struct iwl_priv {
627
628	struct iwl_trans *trans;
629	struct device *dev;		/* for debug prints only */
630	const struct iwl_cfg *cfg;
631	const struct iwl_fw *fw;
632	const struct iwl_dvm_cfg *lib;
633	unsigned long status;
634
635	spinlock_t sta_lock;
636	struct mutex mutex;
637
638	unsigned long transport_queue_stop;
639	bool passive_no_rx;
640#define IWL_INVALID_MAC80211_QUEUE	0xff
641	u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
642	atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
643
644	unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
645
646	/* ieee device used by generic ieee processing code */
647	struct ieee80211_hw *hw;
648
649	struct napi_struct *napi;
650
651	struct list_head calib_results;
652
653	struct workqueue_struct *workqueue;
654
655	struct iwl_hw_params hw_params;
656
657	enum nl80211_band band;
658	u8 valid_contexts;
659
660	void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
661				       struct iwl_rx_cmd_buffer *rxb);
662
663	struct iwl_notif_wait_data notif_wait;
664
665	/* spectrum measurement report caching */
666	struct iwl_spectrum_notification measure_report;
667	u8 measurement_status;
668
669	/* ucode beacon time */
670	u32 ucode_beacon_time;
671	int missed_beacon_threshold;
672
673	/* track IBSS manager (last beacon) status */
674	u32 ibss_manager;
675
676	/* jiffies when last recovery from statistics was performed */
677	unsigned long rx_statistics_jiffies;
678
679	/*counters */
680	u32 rx_handlers_stats[REPLY_MAX];
681
682	/* rf reset */
683	struct iwl_rf_reset rf_reset;
684
685	/* firmware reload counter and timestamp */
686	unsigned long reload_jiffies;
687	int reload_count;
688	bool ucode_loaded;
689
690	u8 plcp_delta_threshold;
691
692	/* thermal calibration */
693	s32 temperature;	/* Celsius */
694	s32 last_temperature;
695
696	struct iwl_wipan_noa_data __rcu *noa_data;
697
698	/* Scan related variables */
699	unsigned long scan_start;
700	unsigned long scan_start_tsf;
701	size_t scan_cmd_size;
702	void *scan_cmd;
703	enum nl80211_band scan_band;
704	struct cfg80211_scan_request *scan_request;
705	struct ieee80211_vif *scan_vif;
706	enum iwl_scan_type scan_type;
707	u8 scan_tx_ant[NUM_NL80211_BANDS];
708	u8 mgmt_tx_ant;
709
710	/* max number of station keys */
711	u8 sta_key_max_num;
712
713	bool new_scan_threshold_behaviour;
714
715	bool wowlan;
716
717	/* EEPROM MAC addresses */
718	struct mac_address addresses[2];
719
720	struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
721
722	__le16 switch_channel;
723
724	u8 start_calib;
725	struct iwl_sensitivity_data sensitivity_data;
726	struct iwl_chain_noise_data chain_noise_data;
727	__le16 sensitivity_tbl[HD_TABLE_SIZE];
728	__le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
729
730	struct iwl_ht_config current_ht_config;
731
732	/* Rate scaling data */
733	u8 retry_rate;
734
735	int activity_timer_active;
736
737	struct iwl_power_mgr power_data;
738	struct iwl_tt_mgmt thermal_throttle;
739
740	/* station table variables */
741	int num_stations;
742	struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
743	unsigned long ucode_key_table;
744	struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
745	atomic_t num_aux_in_flight;
746
747	u8 mac80211_registered;
748
749	/* Indication if ieee80211_ops->open has been called */
750	u8 is_open;
751
752	enum nl80211_iftype iw_mode;
753
754	/* Last Rx'd beacon timestamp */
755	u64 timestamp;
756
757	struct {
758		__le32 flag;
759		struct statistics_general_common common;
760		struct statistics_rx_non_phy rx_non_phy;
761		struct statistics_rx_phy rx_ofdm;
762		struct statistics_rx_ht_phy rx_ofdm_ht;
763		struct statistics_rx_phy rx_cck;
764		struct statistics_tx tx;
765#ifdef CONFIG_IWLWIFI_DEBUGFS
766		struct statistics_bt_activity bt_activity;
767		__le32 num_bt_kills, accum_num_bt_kills;
768#endif
769		spinlock_t lock;
770	} statistics;
771#ifdef CONFIG_IWLWIFI_DEBUGFS
772	struct {
773		struct statistics_general_common common;
774		struct statistics_rx_non_phy rx_non_phy;
775		struct statistics_rx_phy rx_ofdm;
776		struct statistics_rx_ht_phy rx_ofdm_ht;
777		struct statistics_rx_phy rx_cck;
778		struct statistics_tx tx;
779		struct statistics_bt_activity bt_activity;
780	} accum_stats, delta_stats, max_delta_stats;
781#endif
782
783	/*
784	 * reporting the number of tids has AGG on. 0 means
785	 * no AGGREGATION
786	 */
787	u8 agg_tids_count;
788
789	struct iwl_rx_phy_res last_phy_res;
790	u32 ampdu_ref;
791	bool last_phy_res_valid;
792
793	/*
794	 * chain noise reset and gain commands are the
795	 * two extra calibration commands follows the standard
796	 * phy calibration commands
797	 */
798	u8 phy_calib_chain_noise_reset_cmd;
799	u8 phy_calib_chain_noise_gain_cmd;
800
801	/* counts reply_tx error */
802	struct reply_tx_error_statistics reply_tx_stats;
803	struct reply_agg_tx_error_statistics reply_agg_tx_stats;
804
805	/* bt coex */
806	u8 bt_enable_flag;
807	u8 bt_status;
808	u8 bt_traffic_load, last_bt_traffic_load;
809	bool bt_ch_announce;
810	bool bt_full_concurrent;
811	__le32 kill_ack_mask;
812	__le32 kill_cts_mask;
813	__le16 bt_valid;
814	bool reduced_txpower;
815	u16 bt_on_thresh;
816	u16 bt_duration;
817	u16 dynamic_frag_thresh;
818	u8 bt_ci_compliance;
819	struct work_struct bt_traffic_change_work;
820	bool bt_enable_pspoll;
821	struct iwl_rxon_context *cur_rssi_ctx;
822	bool bt_is_sco;
823
824	struct work_struct restart;
825	struct work_struct scan_completed;
826	struct work_struct abort_scan;
827
828	struct work_struct beacon_update;
829	struct iwl_rxon_context *beacon_ctx;
830	struct sk_buff *beacon_skb;
831	void *beacon_cmd;
832
833	struct work_struct tt_work;
834	struct work_struct ct_enter;
835	struct work_struct ct_exit;
836	struct work_struct start_internal_scan;
837	struct work_struct tx_flush;
838	struct work_struct bt_full_concurrency;
839	struct work_struct bt_runtime_config;
840
841	struct delayed_work scan_check;
842
843	/* TX Power settings */
844	s8 tx_power_user_lmt;
845	s8 tx_power_next;
846
847#ifdef CONFIG_IWLWIFI_DEBUGFS
848	/* debugfs */
849	struct dentry *debugfs_dir;
850	u32 dbgfs_sram_offset, dbgfs_sram_len;
851	bool disable_ht40;
852	void *wowlan_sram;
853#endif /* CONFIG_IWLWIFI_DEBUGFS */
854
855	struct iwl_nvm_data *nvm_data;
856	/* eeprom blob for debugfs */
857	u8 *eeprom_blob;
858	size_t eeprom_blob_size;
859
860	struct work_struct txpower_work;
861	u32 calib_disabled;
862	struct work_struct run_time_calib_work;
863	struct timer_list statistics_periodic;
864	struct timer_list ucode_trace;
865
866	struct iwl_event_log event_log;
867
868#ifdef CONFIG_IWLWIFI_LEDS
869	struct led_classdev led;
870	unsigned long blink_on, blink_off;
871	bool led_registered;
872#endif
873
874	/* WoWLAN GTK rekey data */
875	u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
876	__le64 replay_ctr;
877	__le16 last_seq_ctl;
878	bool have_rekey_data;
879#ifdef CONFIG_PM_SLEEP
880	struct wiphy_wowlan_support wowlan_support;
881#endif
882
883	/* device_pointers: pointers to ucode event tables */
884	struct {
885		u32 error_event_table;
886		u32 log_event_table;
887	} device_pointers;
888
889	/* indicator of loaded ucode image */
890	enum iwl_ucode_type cur_ucode;
891}; /*iwl_priv */
892
893static inline struct iwl_rxon_context *
894iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
895{
896	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
897
898	return vif_priv->ctx;
899}
900
901#define for_each_context(priv, ctx)				\
902	for (ctx = &priv->contexts[IWL_RXON_CTX_BSS];		\
903	     ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++)	\
904		if (priv->valid_contexts & BIT(ctx->ctxid))
905
906static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
907{
908	return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
909}
910
911static inline int iwl_is_associated(struct iwl_priv *priv,
912				    enum iwl_rxon_context_id ctxid)
913{
914	return iwl_is_associated_ctx(&priv->contexts[ctxid]);
915}
916
917static inline int iwl_is_any_associated(struct iwl_priv *priv)
918{
919	struct iwl_rxon_context *ctx;
920	for_each_context(priv, ctx)
921		if (iwl_is_associated_ctx(ctx))
922			return true;
923	return false;
924}
925
926#endif				/* __iwl_dev_h__ */
927