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67 
68 #ifndef __IWL_MVM_H__
69 #define __IWL_MVM_H__
70 
71 #include <linux/list.h>
72 #include <linux/spinlock.h>
73 #include <linux/leds.h>
74 #include <linux/in6.h>
75 
76 #ifdef CONFIG_THERMAL
77 #include <linux/thermal.h>
78 #endif
79 
80 #include "iwl-op-mode.h"
81 #include "iwl-trans.h"
82 #include "iwl-notif-wait.h"
83 #include "iwl-eeprom-parse.h"
84 #include "iwl-fw-file.h"
85 #include "iwl-config.h"
86 #include "sta.h"
87 #include "fw-api.h"
88 #include "constants.h"
89 #include "tof.h"
90 
91 #define IWL_MVM_MAX_ADDRESSES		5
92 /* RSSI offset for WkP */
93 #define IWL_RSSI_OFFSET 50
94 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
95 /* A TimeUnit is 1024 microsecond */
96 #define MSEC_TO_TU(_msec)	(_msec*1000/1024)
97 
98 /* For GO, this value represents the number of TUs before CSA "beacon
99  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
100  * must be big enough to ensure that we switch in time.
101  */
102 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO		40
103 
104 /* For client, this value represents the number of TUs before CSA
105  * "beacon 1" TBTT, instead.  This is because we don't know when the
106  * GO/AP will be in the new channel, so we switch early enough.
107  */
108 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT	10
109 
110 /*
111  * This value (in TUs) is used to fine tune the CSA NoA end time which should
112  * be just before "beacon 0" TBTT.
113  */
114 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
115 
116 /*
117  * Number of beacons to transmit on a new channel until we unblock tx to
118  * the stations, even if we didn't identify them on a new channel
119  */
120 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
121 
122 extern const struct ieee80211_ops iwl_mvm_hw_ops;
123 
124 /**
125  * struct iwl_mvm_mod_params - module parameters for iwlmvm
126  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
127  *	We will register to mac80211 to have testmode working. The NIC must not
128  *	be up'ed after the INIT fw asserted. This is useful to be able to use
129  *	proprietary tools over testmode to debug the INIT fw.
130  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
131  * @power_scheme: one of enum iwl_power_scheme
132  */
133 struct iwl_mvm_mod_params {
134 	bool init_dbg;
135 	bool tfd_q_hang_detect;
136 	int power_scheme;
137 };
138 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
139 
140 /**
141  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
142  *
143  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
144  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
145  *	transport's data.
146  * @trans_len: length of the valid data in trans_ptr
147  * @op_mode_len: length of the valid data in op_mode_ptr
148  */
149 struct iwl_mvm_dump_ptrs {
150 	struct iwl_trans_dump_data *trans_ptr;
151 	void *op_mode_ptr;
152 	u32 op_mode_len;
153 };
154 
155 /**
156  * struct iwl_mvm_dump_desc - describes the dump
157  * @len: length of trig_desc->data
158  * @trig_desc: the description of the dump
159  */
160 struct iwl_mvm_dump_desc {
161 	size_t len;
162 	/* must be last */
163 	struct iwl_fw_error_dump_trigger_desc trig_desc;
164 };
165 
166 extern const struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
167 
168 struct iwl_mvm_phy_ctxt {
169 	u16 id;
170 	u16 color;
171 	u32 ref;
172 
173 	/*
174 	 * TODO: This should probably be removed. Currently here only for rate
175 	 * scaling algorithm
176 	 */
177 	struct ieee80211_channel *channel;
178 };
179 
180 struct iwl_mvm_time_event_data {
181 	struct ieee80211_vif *vif;
182 	struct list_head list;
183 	unsigned long end_jiffies;
184 	u32 duration;
185 	bool running;
186 	u32 uid;
187 
188 	/*
189 	 * The access to the 'id' field must be done when the
190 	 * mvm->time_event_lock is held, as it value is used to indicate
191 	 * if the te is in the time event list or not (when id == TE_MAX)
192 	 */
193 	u32 id;
194 };
195 
196  /* Power management */
197 
198 /**
199  * enum iwl_power_scheme
200  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
201  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
202  * @IWL_POWER_LEVEL_LP  - Low Power
203  */
204 enum iwl_power_scheme {
205 	IWL_POWER_SCHEME_CAM = 1,
206 	IWL_POWER_SCHEME_BPS,
207 	IWL_POWER_SCHEME_LP
208 };
209 
210 #define IWL_CONN_MAX_LISTEN_INTERVAL	10
211 #define IWL_UAPSD_MAX_SP		IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
212 
213 #ifdef CONFIG_IWLWIFI_DEBUGFS
214 enum iwl_dbgfs_pm_mask {
215 	MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
216 	MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
217 	MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
218 	MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
219 	MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
220 	MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
221 	MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
222 	MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
223 	MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
224 	MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
225 };
226 
227 struct iwl_dbgfs_pm {
228 	u16 keep_alive_seconds;
229 	u32 rx_data_timeout;
230 	u32 tx_data_timeout;
231 	bool skip_over_dtim;
232 	u8 skip_dtim_periods;
233 	bool lprx_ena;
234 	u32 lprx_rssi_threshold;
235 	bool snooze_ena;
236 	bool uapsd_misbehaving;
237 	bool use_ps_poll;
238 	int mask;
239 };
240 
241 /* beacon filtering */
242 
243 enum iwl_dbgfs_bf_mask {
244 	MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
245 	MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
246 	MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
247 	MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
248 	MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
249 	MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
250 	MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
251 	MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
252 	MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
253 	MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
254 	MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
255 };
256 
257 struct iwl_dbgfs_bf {
258 	u32 bf_energy_delta;
259 	u32 bf_roaming_energy_delta;
260 	u32 bf_roaming_state;
261 	u32 bf_temp_threshold;
262 	u32 bf_temp_fast_filter;
263 	u32 bf_temp_slow_filter;
264 	u32 bf_enable_beacon_filter;
265 	u32 bf_debug_flag;
266 	u32 bf_escape_timer;
267 	u32 ba_escape_timer;
268 	u32 ba_enable_beacon_abort;
269 	int mask;
270 };
271 #endif
272 
273 enum iwl_mvm_smps_type_request {
274 	IWL_MVM_SMPS_REQ_BT_COEX,
275 	IWL_MVM_SMPS_REQ_TT,
276 	IWL_MVM_SMPS_REQ_PROT,
277 	NUM_IWL_MVM_SMPS_REQ,
278 };
279 
280 enum iwl_mvm_ref_type {
281 	IWL_MVM_REF_UCODE_DOWN,
282 	IWL_MVM_REF_SCAN,
283 	IWL_MVM_REF_ROC,
284 	IWL_MVM_REF_ROC_AUX,
285 	IWL_MVM_REF_P2P_CLIENT,
286 	IWL_MVM_REF_AP_IBSS,
287 	IWL_MVM_REF_USER,
288 	IWL_MVM_REF_TX,
289 	IWL_MVM_REF_TX_AGG,
290 	IWL_MVM_REF_ADD_IF,
291 	IWL_MVM_REF_START_AP,
292 	IWL_MVM_REF_BSS_CHANGED,
293 	IWL_MVM_REF_PREPARE_TX,
294 	IWL_MVM_REF_PROTECT_TDLS,
295 	IWL_MVM_REF_CHECK_CTKILL,
296 	IWL_MVM_REF_PRPH_READ,
297 	IWL_MVM_REF_PRPH_WRITE,
298 	IWL_MVM_REF_NMI,
299 	IWL_MVM_REF_TM_CMD,
300 	IWL_MVM_REF_EXIT_WORK,
301 	IWL_MVM_REF_PROTECT_CSA,
302 	IWL_MVM_REF_FW_DBG_COLLECT,
303 	IWL_MVM_REF_INIT_UCODE,
304 	IWL_MVM_REF_SENDING_CMD,
305 	IWL_MVM_REF_RX,
306 
307 	/* update debugfs.c when changing this */
308 
309 	IWL_MVM_REF_COUNT,
310 };
311 
312 enum iwl_bt_force_ant_mode {
313 	BT_FORCE_ANT_DIS = 0,
314 	BT_FORCE_ANT_AUTO,
315 	BT_FORCE_ANT_BT,
316 	BT_FORCE_ANT_WIFI,
317 
318 	BT_FORCE_ANT_MAX,
319 };
320 
321 /**
322 * struct iwl_mvm_vif_bf_data - beacon filtering related data
323 * @bf_enabled: indicates if beacon filtering is enabled
324 * @ba_enabled: indicated if beacon abort is enabled
325 * @ave_beacon_signal: average beacon signal
326 * @last_cqm_event: rssi of the last cqm event
327 * @bt_coex_min_thold: minimum threshold for BT coex
328 * @bt_coex_max_thold: maximum threshold for BT coex
329 * @last_bt_coex_event: rssi of the last BT coex event
330 */
331 struct iwl_mvm_vif_bf_data {
332 	bool bf_enabled;
333 	bool ba_enabled;
334 	int ave_beacon_signal;
335 	int last_cqm_event;
336 	int bt_coex_min_thold;
337 	int bt_coex_max_thold;
338 	int last_bt_coex_event;
339 };
340 
341 /**
342  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
343  * @id: between 0 and 3
344  * @color: to solve races upon MAC addition and removal
345  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
346  * @bssid: BSSID for this (client) interface
347  * @associated: indicates that we're currently associated, used only for
348  *	managing the firmware state in iwl_mvm_bss_info_changed_station()
349  * @ap_assoc_sta_count: count of stations associated to us - valid only
350  *	if VIF type is AP
351  * @uploaded: indicates the MAC context has been added to the device
352  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
353  *	should get quota etc.
354  * @pm_enabled - Indicate if MAC power management is allowed
355  * @monitor_active: indicates that monitor context is configured, and that the
356  *	interface should get quota etc.
357  * @low_latency_traffic: indicates low latency traffic was detected
358  * @low_latency_dbgfs: low latency mode set from debugfs
359  * @low_latency_vcmd: low latency mode set from vendor command
360  * @ps_disabled: indicates that this interface requires PS to be disabled
361  * @queue_params: QoS params for this MAC
362  * @bcast_sta: station used for broadcast packets. Used by the following
363  *  vifs: P2P_DEVICE, GO and AP.
364  * @beacon_skb: the skb used to hold the AP/GO beacon template
365  * @smps_requests: the SMPS requests of different parts of the driver,
366  *	combined on update to yield the overall request to mac80211.
367  * @beacon_stats: beacon statistics, containing the # of received beacons,
368  *	# of received beacons accumulated over FW restart, and the current
369  *	average signal of beacons retrieved from the firmware
370  * @csa_failed: CSA failed to schedule time event, report an error later
371  * @features: hw features active for this vif
372  */
373 struct iwl_mvm_vif {
374 	struct iwl_mvm *mvm;
375 	u16 id;
376 	u16 color;
377 	u8 ap_sta_id;
378 
379 	u8 bssid[ETH_ALEN];
380 	bool associated;
381 	u8 ap_assoc_sta_count;
382 
383 	bool uploaded;
384 	bool ap_ibss_active;
385 	bool pm_enabled;
386 	bool monitor_active;
387 	bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd;
388 	bool ps_disabled;
389 	struct iwl_mvm_vif_bf_data bf_data;
390 
391 	struct {
392 		u32 num_beacons, accu_num_beacons;
393 		u8 avg_signal;
394 	} beacon_stats;
395 
396 	u32 ap_beacon_time;
397 
398 	enum iwl_tsf_id tsf_id;
399 
400 	/*
401 	 * QoS data from mac80211, need to store this here
402 	 * as mac80211 has a separate callback but we need
403 	 * to have the data for the MAC context
404 	 */
405 	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
406 	struct iwl_mvm_time_event_data time_event_data;
407 	struct iwl_mvm_time_event_data hs_time_event_data;
408 
409 	struct iwl_mvm_int_sta bcast_sta;
410 
411 	/*
412 	 * Assigned while mac80211 has the interface in a channel context,
413 	 * or, for P2P Device, while it exists.
414 	 */
415 	struct iwl_mvm_phy_ctxt *phy_ctxt;
416 
417 #ifdef CONFIG_PM
418 	/* WoWLAN GTK rekey data */
419 	struct {
420 		u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
421 		__le64 replay_ctr;
422 		bool valid;
423 	} rekey_data;
424 
425 	int tx_key_idx;
426 
427 	bool seqno_valid;
428 	u16 seqno;
429 #endif
430 
431 #if IS_ENABLED(CONFIG_IPV6)
432 	/* IPv6 addresses for WoWLAN */
433 	struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
434 	unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
435 	int num_target_ipv6_addrs;
436 #endif
437 
438 #ifdef CONFIG_IWLWIFI_DEBUGFS
439 	struct dentry *dbgfs_dir;
440 	struct dentry *dbgfs_slink;
441 	struct iwl_dbgfs_pm dbgfs_pm;
442 	struct iwl_dbgfs_bf dbgfs_bf;
443 	struct iwl_mac_power_cmd mac_pwr_cmd;
444 	int dbgfs_quota_min;
445 #endif
446 
447 	enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
448 
449 	/* FW identified misbehaving AP */
450 	u8 uapsd_misbehaving_bssid[ETH_ALEN];
451 
452 	/* Indicates that CSA countdown may be started */
453 	bool csa_countdown;
454 	bool csa_failed;
455 
456 	/* TCP Checksum Offload */
457 	netdev_features_t features;
458 
459 	/*
460 	 * link quality measurement - used to check whether this interface
461 	 * is in the middle of a link quality measurement
462 	 */
463 	bool lqm_active;
464 };
465 
466 static inline struct iwl_mvm_vif *
467 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
468 {
469 	return (void *)vif->drv_priv;
470 }
471 
472 extern const u8 tid_to_mac80211_ac[];
473 
474 #define IWL_MVM_SCAN_STOPPING_SHIFT	8
475 
476 enum iwl_scan_status {
477 	IWL_MVM_SCAN_REGULAR		= BIT(0),
478 	IWL_MVM_SCAN_SCHED		= BIT(1),
479 	IWL_MVM_SCAN_NETDETECT		= BIT(2),
480 
481 	IWL_MVM_SCAN_STOPPING_REGULAR	= BIT(8),
482 	IWL_MVM_SCAN_STOPPING_SCHED	= BIT(9),
483 	IWL_MVM_SCAN_STOPPING_NETDETECT	= BIT(10),
484 
485 	IWL_MVM_SCAN_REGULAR_MASK	= IWL_MVM_SCAN_REGULAR |
486 					  IWL_MVM_SCAN_STOPPING_REGULAR,
487 	IWL_MVM_SCAN_SCHED_MASK		= IWL_MVM_SCAN_SCHED |
488 					  IWL_MVM_SCAN_STOPPING_SCHED,
489 	IWL_MVM_SCAN_NETDETECT_MASK	= IWL_MVM_SCAN_NETDETECT |
490 					  IWL_MVM_SCAN_STOPPING_NETDETECT,
491 
492 	IWL_MVM_SCAN_STOPPING_MASK	= 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
493 	IWL_MVM_SCAN_MASK		= 0xff,
494 };
495 
496 enum iwl_mvm_scan_type {
497 	IWL_SCAN_TYPE_NOT_SET,
498 	IWL_SCAN_TYPE_UNASSOC,
499 	IWL_SCAN_TYPE_WILD,
500 	IWL_SCAN_TYPE_MILD,
501 	IWL_SCAN_TYPE_FRAGMENTED,
502 };
503 
504 enum iwl_mvm_sched_scan_pass_all_states {
505 	SCHED_SCAN_PASS_ALL_DISABLED,
506 	SCHED_SCAN_PASS_ALL_ENABLED,
507 	SCHED_SCAN_PASS_ALL_FOUND,
508 };
509 
510 /**
511  * struct iwl_nvm_section - describes an NVM section in memory.
512  *
513  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
514  * and saved for later use by the driver. Not all NVM sections are saved
515  * this way, only the needed ones.
516  */
517 struct iwl_nvm_section {
518 	u16 length;
519 	const u8 *data;
520 };
521 
522 /**
523  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
524  * @ct_kill_exit: worker to exit thermal kill
525  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
526  * @tx_backoff: The current thremal throttling tx backoff in uSec.
527  * @min_backoff: The minimal tx backoff due to power restrictions
528  * @params: Parameters to configure the thermal throttling algorithm.
529  * @throttle: Is thermal throttling is active?
530  */
531 struct iwl_mvm_tt_mgmt {
532 	struct delayed_work ct_kill_exit;
533 	bool dynamic_smps;
534 	u32 tx_backoff;
535 	u32 min_backoff;
536 	struct iwl_tt_params params;
537 	bool throttle;
538 };
539 
540 #ifdef CONFIG_THERMAL
541 /**
542  *struct iwl_mvm_thermal_device - thermal zone related data
543  * @temp_trips: temperature thresholds for report
544  * @fw_trips_index: keep indexes to original array - temp_trips
545  * @tzone: thermal zone device data
546 */
547 struct iwl_mvm_thermal_device {
548 	s16 temp_trips[IWL_MAX_DTS_TRIPS];
549 	u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
550 	struct thermal_zone_device *tzone;
551 };
552 
553 /*
554  * struct iwl_mvm_cooling_device
555  * @cur_state: current state
556  * @cdev: struct thermal cooling device
557  */
558 struct iwl_mvm_cooling_device {
559 	u32 cur_state;
560 	struct thermal_cooling_device *cdev;
561 };
562 #endif
563 
564 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
565 
566 struct iwl_mvm_frame_stats {
567 	u32 legacy_frames;
568 	u32 ht_frames;
569 	u32 vht_frames;
570 	u32 bw_20_frames;
571 	u32 bw_40_frames;
572 	u32 bw_80_frames;
573 	u32 bw_160_frames;
574 	u32 sgi_frames;
575 	u32 ngi_frames;
576 	u32 siso_frames;
577 	u32 mimo2_frames;
578 	u32 agg_frames;
579 	u32 ampdu_count;
580 	u32 success_frames;
581 	u32 fail_frames;
582 	u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
583 	int last_frame_idx;
584 };
585 
586 enum {
587 	D0I3_DEFER_WAKEUP,
588 	D0I3_PENDING_WAKEUP,
589 };
590 
591 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
592 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
593 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
594 
595 enum iwl_mvm_tdls_cs_state {
596 	IWL_MVM_TDLS_SW_IDLE = 0,
597 	IWL_MVM_TDLS_SW_REQ_SENT,
598 	IWL_MVM_TDLS_SW_RESP_RCVD,
599 	IWL_MVM_TDLS_SW_REQ_RCVD,
600 	IWL_MVM_TDLS_SW_ACTIVE,
601 };
602 
603 struct iwl_mvm_shared_mem_cfg {
604 	u32 shared_mem_addr;
605 	u32 shared_mem_size;
606 	u32 sample_buff_addr;
607 	u32 sample_buff_size;
608 	u32 txfifo_addr;
609 	u32 txfifo_size[TX_FIFO_MAX_NUM];
610 	u32 rxfifo_size[RX_FIFO_MAX_NUM];
611 	u32 page_buff_addr;
612 	u32 page_buff_size;
613 	u32 rxfifo_addr;
614 	u32 internal_txfifo_addr;
615 	u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
616 };
617 
618 /**
619  * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer
620  * @head_sn: reorder window head sn
621  * @num_stored: number of mpdus stored in the buffer
622  * @buf_size: the reorder buffer size as set by the last addba request
623  * @sta_id: sta id of this reorder buffer
624  * @queue: queue of this reorder buffer
625  * @last_amsdu: track last ASMDU SN for duplication detection
626  * @last_sub_index: track ASMDU sub frame index for duplication detection
627  * @entries: list of skbs stored
628  * @reorder_time: time the packet was stored in the reorder buffer
629  * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU
630  *	it is the time of last received sub-frame
631  * @removed: prevent timer re-arming
632  * @lock: protect reorder buffer internal state
633  * @mvm: mvm pointer, needed for frame timer context
634  */
635 struct iwl_mvm_reorder_buffer {
636 	u16 head_sn;
637 	u16 num_stored;
638 	u8 buf_size;
639 	u8 sta_id;
640 	int queue;
641 	u16 last_amsdu;
642 	u8 last_sub_index;
643 	struct sk_buff_head entries[IEEE80211_MAX_AMPDU_BUF];
644 	unsigned long reorder_time[IEEE80211_MAX_AMPDU_BUF];
645 	struct timer_list reorder_timer;
646 	bool removed;
647 	spinlock_t lock;
648 	struct iwl_mvm *mvm;
649 } ____cacheline_aligned_in_smp;
650 
651 /**
652  * struct iwl_mvm_baid_data - BA session data
653  * @sta_id: station id
654  * @tid: tid of the session
655  * @baid baid of the session
656  * @timeout: the timeout set in the addba request
657  * @last_rx: last rx jiffies, updated only if timeout passed from last update
658  * @session_timer: timer to check if BA session expired, runs at 2 * timeout
659  * @mvm: mvm pointer, needed for timer context
660  * @reorder_buf: reorder buffer, allocated per queue
661  */
662 struct iwl_mvm_baid_data {
663 	struct rcu_head rcu_head;
664 	u8 sta_id;
665 	u8 tid;
666 	u8 baid;
667 	u16 timeout;
668 	unsigned long last_rx;
669 	struct timer_list session_timer;
670 	struct iwl_mvm *mvm;
671 	struct iwl_mvm_reorder_buffer reorder_buf[];
672 };
673 
674 /*
675  * enum iwl_mvm_queue_status - queue status
676  * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved
677  *	Basically, this means that this queue can be used for any purpose
678  * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use
679  *	This is the state of a queue that has been dedicated for some RATID
680  *	(agg'd or not), but that hasn't yet gone through the actual enablement
681  *	of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet.
682  *	Note that in this state there is no requirement to already know what TID
683  *	should be used with this queue, it is just marked as a queue that will
684  *	be used, and shouldn't be allocated to anyone else.
685  * @IWL_MVM_QUEUE_READY: queue is ready to be used
686  *	This is the state of a queue that has been fully configured (including
687  *	SCD pointers, etc), has a specific RA/TID assigned to it, and can be
688  *	used to send traffic.
689  */
690 enum iwl_mvm_queue_status {
691 	IWL_MVM_QUEUE_FREE,
692 	IWL_MVM_QUEUE_RESERVED,
693 	IWL_MVM_QUEUE_READY,
694 };
695 
696 struct iwl_mvm {
697 	/* for logger access */
698 	struct device *dev;
699 
700 	struct iwl_trans *trans;
701 	const struct iwl_fw *fw;
702 	const struct iwl_cfg *cfg;
703 	struct iwl_phy_db *phy_db;
704 	struct ieee80211_hw *hw;
705 
706 	/* for protecting access to iwl_mvm */
707 	struct mutex mutex;
708 	struct list_head async_handlers_list;
709 	spinlock_t async_handlers_lock;
710 	struct work_struct async_handlers_wk;
711 
712 	struct work_struct roc_done_wk;
713 
714 	unsigned long status;
715 
716 	u32 queue_sync_cookie;
717 	atomic_t queue_sync_counter;
718 	/*
719 	 * for beacon filtering -
720 	 * currently only one interface can be supported
721 	 */
722 	struct iwl_mvm_vif *bf_allowed_vif;
723 
724 	enum iwl_ucode_type cur_ucode;
725 	bool ucode_loaded;
726 	bool calibrating;
727 	u32 error_event_table;
728 	u32 log_event_table;
729 	u32 umac_error_event_table;
730 	bool support_umac_log;
731 	struct iwl_sf_region sf_space;
732 
733 	u32 ampdu_ref;
734 
735 	struct iwl_notif_wait_data notif_wait;
736 
737 	struct mvm_statistics_rx rx_stats;
738 
739 	struct {
740 		u64 rx_time;
741 		u64 tx_time;
742 		u64 on_time_rf;
743 		u64 on_time_scan;
744 	} radio_stats, accu_radio_stats;
745 
746 	struct {
747 		/* Map to HW queue */
748 		u32 hw_queue_to_mac80211;
749 		u8 hw_queue_refcount;
750 		u8 ra_sta_id; /* The RA this queue is mapped to, if exists */
751 		u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
752 		enum iwl_mvm_queue_status status;
753 	} queue_info[IWL_MAX_HW_QUEUES];
754 	spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
755 	struct work_struct add_stream_wk; /* To add streams to queues */
756 	atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
757 
758 	const char *nvm_file_name;
759 	struct iwl_nvm_data *nvm_data;
760 	/* NVM sections */
761 	struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
762 
763 	/* Paging section */
764 	struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
765 	u16 num_of_paging_blk;
766 	u16 num_of_pages_in_last_blk;
767 
768 	/* EEPROM MAC addresses */
769 	struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
770 
771 	/* data related to data path */
772 	struct iwl_rx_phy_info last_phy_info;
773 	struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
774 	struct work_struct sta_drained_wk;
775 	unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
776 	unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
777 	atomic_t pending_frames[IWL_MVM_STATION_COUNT];
778 	u32 tfd_drained[IWL_MVM_STATION_COUNT];
779 	u8 rx_ba_sessions;
780 
781 	/* configured by mac80211 */
782 	u32 rts_threshold;
783 
784 	/* Scan status, cmd (pre-allocated) and auxiliary station */
785 	unsigned int scan_status;
786 	void *scan_cmd;
787 	struct iwl_mcast_filter_cmd *mcast_filter_cmd;
788 	enum iwl_mvm_scan_type scan_type;
789 	enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
790 	struct timer_list scan_timer;
791 
792 	/* max number of simultaneous scans the FW supports */
793 	unsigned int max_scans;
794 
795 	/* ts of the beginning of a non-collect fw dbg data period */
796 	unsigned long fw_dbg_non_collect_ts_start[FW_DBG_TRIGGER_MAX - 1];
797 
798 	/* UMAC scan tracking */
799 	u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
800 
801 	/* rx chain antennas set through debugfs for the scan command */
802 	u8 scan_rx_ant;
803 
804 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
805 	/* broadcast filters to configure for each associated station */
806 	const struct iwl_fw_bcast_filter *bcast_filters;
807 #ifdef CONFIG_IWLWIFI_DEBUGFS
808 	struct {
809 		bool override;
810 		struct iwl_bcast_filter_cmd cmd;
811 	} dbgfs_bcast_filtering;
812 #endif
813 #endif
814 
815 	/* Internal station */
816 	struct iwl_mvm_int_sta aux_sta;
817 	struct iwl_mvm_int_sta snif_sta;
818 
819 	bool last_ebs_successful;
820 
821 	u8 scan_last_antenna_idx; /* to toggle TX between antennas */
822 	u8 mgmt_last_antenna_idx;
823 
824 	/* last smart fifo state that was successfully sent to firmware */
825 	enum iwl_sf_state sf_state;
826 
827 #ifdef CONFIG_IWLWIFI_DEBUGFS
828 	struct dentry *debugfs_dir;
829 	u32 dbgfs_sram_offset, dbgfs_sram_len;
830 	u32 dbgfs_prph_reg_addr;
831 	bool disable_power_off;
832 	bool disable_power_off_d3;
833 
834 	bool scan_iter_notif_enabled;
835 
836 	struct debugfs_blob_wrapper nvm_hw_blob;
837 	struct debugfs_blob_wrapper nvm_sw_blob;
838 	struct debugfs_blob_wrapper nvm_calib_blob;
839 	struct debugfs_blob_wrapper nvm_prod_blob;
840 	struct debugfs_blob_wrapper nvm_phy_sku_blob;
841 
842 	struct iwl_mvm_frame_stats drv_rx_stats;
843 	spinlock_t drv_stats_lock;
844 	u16 dbgfs_rx_phyinfo;
845 #endif
846 
847 	struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
848 
849 	struct list_head time_event_list;
850 	spinlock_t time_event_lock;
851 
852 	/*
853 	 * A bitmap indicating the index of the key in use. The firmware
854 	 * can hold 16 keys at most. Reflect this fact.
855 	 */
856 	unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
857 	u8 fw_key_deleted[STA_KEY_MAX_NUM];
858 
859 	/* references taken by the driver and spinlock protecting them */
860 	spinlock_t refs_lock;
861 	u8 refs[IWL_MVM_REF_COUNT];
862 
863 	u8 vif_count;
864 
865 	/* -1 for always, 0 for never, >0 for that many times */
866 	s8 restart_fw;
867 	u8 fw_dbg_conf;
868 	struct delayed_work fw_dump_wk;
869 	const struct iwl_mvm_dump_desc *fw_dump_desc;
870 	const struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
871 
872 #ifdef CONFIG_IWLWIFI_LEDS
873 	struct led_classdev led;
874 #endif
875 
876 	struct ieee80211_vif *p2p_device_vif;
877 
878 #ifdef CONFIG_PM
879 	struct wiphy_wowlan_support wowlan;
880 	int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
881 
882 	/* sched scan settings for net detect */
883 	struct ieee80211_scan_ies nd_ies;
884 	struct cfg80211_match_set *nd_match_sets;
885 	int n_nd_match_sets;
886 	struct ieee80211_channel **nd_channels;
887 	int n_nd_channels;
888 	bool net_detect;
889 #ifdef CONFIG_IWLWIFI_DEBUGFS
890 	bool d3_wake_sysassert;
891 	bool d3_test_active;
892 	bool store_d3_resume_sram;
893 	void *d3_resume_sram;
894 	u32 d3_test_pme_ptr;
895 	struct ieee80211_vif *keep_vif;
896 	u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
897 #endif
898 #endif
899 
900 	/* d0i3 */
901 	u8 d0i3_ap_sta_id;
902 	bool d0i3_offloading;
903 	struct work_struct d0i3_exit_work;
904 	struct sk_buff_head d0i3_tx;
905 	/* protect d0i3_suspend_flags */
906 	struct mutex d0i3_suspend_mutex;
907 	unsigned long d0i3_suspend_flags;
908 	/* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
909 	spinlock_t d0i3_tx_lock;
910 	wait_queue_head_t d0i3_exit_waitq;
911 
912 	/* BT-Coex */
913 	u8 bt_ack_kill_msk[NUM_PHY_CTX];
914 	u8 bt_cts_kill_msk[NUM_PHY_CTX];
915 
916 	struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
917 	struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
918 	struct iwl_bt_coex_profile_notif last_bt_notif;
919 	struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
920 
921 	u32 last_ant_isol;
922 	u8 last_corun_lut;
923 	u8 bt_tx_prio;
924 	enum iwl_bt_force_ant_mode bt_force_ant_mode;
925 
926 	/* Aux ROC */
927 	struct list_head aux_roc_te_list;
928 
929 	/* Thermal Throttling and CTkill */
930 	struct iwl_mvm_tt_mgmt thermal_throttle;
931 #ifdef CONFIG_THERMAL
932 	struct iwl_mvm_thermal_device tz_device;
933 	struct iwl_mvm_cooling_device cooling_dev;
934 #endif
935 
936 	s32 temperature;	/* Celsius */
937 	/*
938 	 * Debug option to set the NIC temperature. This option makes the
939 	 * driver think this is the actual NIC temperature, and ignore the
940 	 * real temperature that is received from the fw
941 	 */
942 	bool temperature_test;  /* Debug test temperature is enabled */
943 
944 	struct iwl_time_quota_cmd last_quota_cmd;
945 
946 #ifdef CONFIG_NL80211_TESTMODE
947 	u32 noa_duration;
948 	struct ieee80211_vif *noa_vif;
949 #endif
950 
951 	/* Tx queues */
952 	u8 aux_queue;
953 	u8 first_agg_queue;
954 	u8 last_agg_queue;
955 
956 	/* Indicate if device power save is allowed */
957 	u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
958 	unsigned int max_amsdu_len; /* used for debugfs only */
959 
960 	struct ieee80211_vif __rcu *csa_vif;
961 	struct ieee80211_vif __rcu *csa_tx_blocked_vif;
962 	u8 csa_tx_block_bcn_timeout;
963 
964 	/* system time of last beacon (for AP/GO interface) */
965 	u32 ap_last_beacon_gp2;
966 
967 	bool lar_regdom_set;
968 	enum iwl_mcc_source mcc_src;
969 
970 	/* TDLS channel switch data */
971 	struct {
972 		struct delayed_work dwork;
973 		enum iwl_mvm_tdls_cs_state state;
974 
975 		/*
976 		 * Current cs sta - might be different from periodic cs peer
977 		 * station. Value is meaningless when the cs-state is idle.
978 		 */
979 		u8 cur_sta_id;
980 
981 		/* TDLS periodic channel-switch peer */
982 		struct {
983 			u8 sta_id;
984 			u8 op_class;
985 			bool initiator; /* are we the link initiator */
986 			struct cfg80211_chan_def chandef;
987 			struct sk_buff *skb; /* ch sw template */
988 			u32 ch_sw_tm_ie;
989 
990 			/* timestamp of last ch-sw request sent (GP2 time) */
991 			u32 sent_timestamp;
992 		} peer;
993 	} tdls_cs;
994 
995 	struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
996 
997 	u32 ciphers[6];
998 	struct iwl_mvm_tof_data tof_data;
999 
1000 	struct ieee80211_vif *nan_vif;
1001 #define IWL_MAX_BAID	32
1002 	struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
1003 
1004 	/*
1005 	 * Drop beacons from other APs in AP mode when there are no connected
1006 	 * clients.
1007 	 */
1008 	bool drop_bcn_ap_mode;
1009 };
1010 
1011 /* Extract MVM priv from op_mode and _hw */
1012 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)		\
1013 	((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
1014 
1015 #define IWL_MAC80211_GET_MVM(_hw)			\
1016 	IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
1017 
1018 enum iwl_mvm_status {
1019 	IWL_MVM_STATUS_HW_RFKILL,
1020 	IWL_MVM_STATUS_HW_CTKILL,
1021 	IWL_MVM_STATUS_ROC_RUNNING,
1022 	IWL_MVM_STATUS_IN_HW_RESTART,
1023 	IWL_MVM_STATUS_IN_D0I3,
1024 	IWL_MVM_STATUS_ROC_AUX_RUNNING,
1025 	IWL_MVM_STATUS_D3_RECONFIG,
1026 	IWL_MVM_STATUS_DUMPING_FW_LOG,
1027 };
1028 
1029 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
1030 {
1031 	return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
1032 	       test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1033 }
1034 
1035 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
1036 {
1037 	return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1038 }
1039 
1040 /* Must be called with rcu_read_lock() held and it can only be
1041  * released when mvmsta is not needed anymore.
1042  */
1043 static inline struct iwl_mvm_sta *
1044 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
1045 {
1046 	struct ieee80211_sta *sta;
1047 
1048 	if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1049 		return NULL;
1050 
1051 	sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1052 
1053 	/* This can happen if the station has been removed right now */
1054 	if (IS_ERR_OR_NULL(sta))
1055 		return NULL;
1056 
1057 	return iwl_mvm_sta_from_mac80211(sta);
1058 }
1059 
1060 static inline struct iwl_mvm_sta *
1061 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
1062 {
1063 	struct ieee80211_sta *sta;
1064 
1065 	if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1066 		return NULL;
1067 
1068 	sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
1069 					lockdep_is_held(&mvm->mutex));
1070 
1071 	/* This can happen if the station has been removed right now */
1072 	if (IS_ERR_OR_NULL(sta))
1073 		return NULL;
1074 
1075 	return iwl_mvm_sta_from_mac80211(sta);
1076 }
1077 
1078 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
1079 {
1080 	return !iwlwifi_mod_params.d0i3_disable &&
1081 		fw_has_capa(&mvm->fw->ucode_capa,
1082 			    IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
1083 }
1084 
1085 static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
1086 {
1087 	/* Make sure DQA isn't allowed in driver until feature is complete */
1088 	return false && fw_has_capa(&mvm->fw->ucode_capa,
1089 				    IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
1090 }
1091 
1092 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
1093 {
1094 	/* For now we only use this mode to differentiate between
1095 	 * slave transports, which handle D0i3 entry in suspend by
1096 	 * themselves in conjunction with runtime PM D0i3.  So, this
1097 	 * function is used to check whether we need to do anything
1098 	 * when entering suspend or if the transport layer has already
1099 	 * done it.
1100 	 */
1101 	return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
1102 		(mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
1103 }
1104 
1105 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
1106 {
1107 	bool nvm_lar = mvm->nvm_data->lar_enabled;
1108 	bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
1109 				   IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
1110 
1111 	if (iwlwifi_mod_params.lar_disable)
1112 		return false;
1113 
1114 	/*
1115 	 * Enable LAR only if it is supported by the FW (TLV) &&
1116 	 * enabled in the NVM
1117 	 */
1118 	if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
1119 		return nvm_lar && tlv_lar;
1120 	else
1121 		return tlv_lar;
1122 }
1123 
1124 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
1125 {
1126 	return fw_has_api(&mvm->fw->ucode_capa,
1127 			  IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
1128 	       fw_has_capa(&mvm->fw->ucode_capa,
1129 			   IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
1130 }
1131 
1132 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
1133 {
1134 	return fw_has_capa(&mvm->fw->ucode_capa,
1135 			   IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
1136 		IWL_MVM_BT_COEX_CORUNNING;
1137 }
1138 
1139 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
1140 {
1141 	return fw_has_capa(&mvm->fw->ucode_capa,
1142 			   IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
1143 		IWL_MVM_BT_COEX_RRC;
1144 }
1145 
1146 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
1147 {
1148 	return fw_has_capa(&mvm->fw->ucode_capa,
1149 			   IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) &&
1150                !IWL_MVM_HW_CSUM_DISABLE;
1151 }
1152 
1153 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1154 {
1155 	return fw_has_capa(&mvm->fw->ucode_capa,
1156 			   IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1157 		IWL_MVM_BT_COEX_MPLUT;
1158 }
1159 
1160 static inline
1161 bool iwl_mvm_is_p2p_standalone_uapsd_supported(struct iwl_mvm *mvm)
1162 {
1163 	return fw_has_capa(&mvm->fw->ucode_capa,
1164 			   IWL_UCODE_TLV_CAPA_P2P_STANDALONE_UAPSD) &&
1165 		!(iwlwifi_mod_params.uapsd_disable &
1166 		  IWL_DISABLE_UAPSD_P2P_CLIENT);
1167 }
1168 
1169 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1170 {
1171 	return fw_has_capa(&mvm->fw->ucode_capa,
1172 			   IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
1173 }
1174 
1175 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
1176 {
1177 #ifdef CONFIG_THERMAL
1178 	/* these two TLV are redundant since the responsibility to CT-kill by
1179 	 * FW happens only after we send at least one command of
1180 	 * temperature THs report.
1181 	 */
1182 	return fw_has_capa(&mvm->fw->ucode_capa,
1183 			   IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
1184 	       fw_has_capa(&mvm->fw->ucode_capa,
1185 			   IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
1186 #else /* CONFIG_THERMAL */
1187 	return false;
1188 #endif /* CONFIG_THERMAL */
1189 }
1190 
1191 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
1192 {
1193 	return fw_has_capa(&mvm->fw->ucode_capa,
1194 			   IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
1195 }
1196 
1197 extern const u8 iwl_mvm_ac_to_tx_fifo[];
1198 
1199 struct iwl_rate_info {
1200 	u8 plcp;	/* uCode API:  IWL_RATE_6M_PLCP, etc. */
1201 	u8 plcp_siso;	/* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
1202 	u8 plcp_mimo2;	/* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
1203 	u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
1204 	u8 ieee;	/* MAC header:  IWL_RATE_6M_IEEE, etc. */
1205 };
1206 
1207 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1208 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1209 
1210 /******************
1211  * MVM Methods
1212  ******************/
1213 /* uCode */
1214 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1215 
1216 /* Utils */
1217 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1218 					enum nl80211_band band);
1219 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1220 			       enum nl80211_band band,
1221 			       struct ieee80211_tx_rate *r);
1222 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1223 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1224 u8 first_antenna(u8 mask);
1225 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1226 
1227 /* Tx / Host Commands */
1228 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1229 				  struct iwl_host_cmd *cmd);
1230 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1231 				      u32 flags, u16 len, const void *data);
1232 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1233 					 struct iwl_host_cmd *cmd,
1234 					 u32 *status);
1235 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1236 					     u16 len, const void *data,
1237 					     u32 *status);
1238 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1239 		   struct ieee80211_sta *sta);
1240 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1241 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1242 			struct iwl_tx_cmd *tx_cmd,
1243 			struct ieee80211_tx_info *info, u8 sta_id);
1244 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1245 			    struct ieee80211_tx_info *info,
1246 			    struct ieee80211_sta *sta, __le16 fc);
1247 #ifdef CONFIG_IWLWIFI_DEBUG
1248 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1249 #else
1250 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1251 #endif
1252 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1253 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1254 
1255 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1256 					   struct iwl_tx_cmd *tx_cmd)
1257 {
1258 	struct ieee80211_key_conf *keyconf = info->control.hw_key;
1259 
1260 	tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1261 	memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1262 	if (info->flags & IEEE80211_TX_CTL_AMPDU)
1263 		tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG);
1264 }
1265 
1266 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1267 {
1268 	flush_work(&mvm->async_handlers_wk);
1269 }
1270 
1271 /* Statistics */
1272 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1273 				  struct iwl_rx_packet *pkt);
1274 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1275 			   struct iwl_rx_cmd_buffer *rxb);
1276 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1277 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1278 
1279 /* NVM */
1280 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1281 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1282 
1283 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1284 {
1285 	return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1286 	       mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1287 	       mvm->fw->valid_tx_ant;
1288 }
1289 
1290 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1291 {
1292 	return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1293 	       mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1294 	       mvm->fw->valid_rx_ant;
1295 }
1296 
1297 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1298 {
1299 	u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1300 			   FW_PHY_CFG_RX_CHAIN);
1301 	u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1302 	u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1303 
1304 	phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1305 		      valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1306 
1307 	return mvm->fw->phy_config & phy_config;
1308 }
1309 
1310 int iwl_mvm_up(struct iwl_mvm *mvm);
1311 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1312 
1313 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1314 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1315 				    struct iwl_bcast_filter_cmd *cmd);
1316 
1317 /*
1318  * FW notifications / CMD responses handlers
1319  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1320  */
1321 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1322 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1323 			struct iwl_rx_cmd_buffer *rxb);
1324 void iwl_mvm_rx_phy_cmd_mq(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1325 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1326 			struct iwl_rx_cmd_buffer *rxb, int queue);
1327 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
1328 			      struct iwl_rx_cmd_buffer *rxb, int queue);
1329 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
1330 			    const u8 *data, u32 count);
1331 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1332 			    int queue);
1333 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1334 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1335 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1336 				   struct iwl_rx_cmd_buffer *rxb);
1337 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1338 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1339 				 struct iwl_rx_cmd_buffer *rxb);
1340 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1341 			     struct iwl_rx_cmd_buffer *rxb);
1342 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1343 				     struct iwl_rx_cmd_buffer *rxb);
1344 
1345 /* MVM PHY */
1346 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1347 			 struct cfg80211_chan_def *chandef,
1348 			 u8 chains_static, u8 chains_dynamic);
1349 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1350 			     struct cfg80211_chan_def *chandef,
1351 			     u8 chains_static, u8 chains_dynamic);
1352 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1353 			  struct iwl_mvm_phy_ctxt *ctxt);
1354 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1355 			    struct iwl_mvm_phy_ctxt *ctxt);
1356 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1357 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1358 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1359 
1360 /* MAC (virtual interface) programming */
1361 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1362 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1363 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1364 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1365 			     bool force_assoc_off, const u8 *bssid_override);
1366 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1367 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1368 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1369 				    struct ieee80211_vif *vif);
1370 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1371 			     struct iwl_rx_cmd_buffer *rxb);
1372 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1373 				     struct iwl_rx_cmd_buffer *rxb);
1374 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
1375 				    struct iwl_rx_cmd_buffer *rxb);
1376 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1377 			       struct iwl_rx_cmd_buffer *rxb);
1378 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
1379 				 struct iwl_rx_cmd_buffer *rxb);
1380 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1381 				    struct ieee80211_vif *vif);
1382 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1383 					 struct ieee80211_vif *exclude_vif);
1384 /* Bindings */
1385 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1386 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1387 
1388 /* Quota management */
1389 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1390 			  struct ieee80211_vif *disabled_vif);
1391 
1392 /* Scanning */
1393 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1394 			   struct cfg80211_scan_request *req,
1395 			   struct ieee80211_scan_ies *ies);
1396 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1397 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1398 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1399 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1400 void iwl_mvm_scan_timeout(unsigned long data);
1401 
1402 /* Scheduled scan */
1403 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1404 					 struct iwl_rx_cmd_buffer *rxb);
1405 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1406 					      struct iwl_rx_cmd_buffer *rxb);
1407 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1408 			     struct ieee80211_vif *vif,
1409 			     struct cfg80211_sched_scan_request *req,
1410 			     struct ieee80211_scan_ies *ies,
1411 			     int type);
1412 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1413 				 struct iwl_rx_cmd_buffer *rxb);
1414 
1415 /* UMAC scan */
1416 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1417 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1418 					 struct iwl_rx_cmd_buffer *rxb);
1419 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1420 					      struct iwl_rx_cmd_buffer *rxb);
1421 
1422 /* Paging */
1423 void iwl_free_fw_paging(struct iwl_mvm *mvm);
1424 
1425 /* MVM debugfs */
1426 #ifdef CONFIG_IWLWIFI_DEBUGFS
1427 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1428 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1429 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1430 #else
1431 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1432 					 struct dentry *dbgfs_dir)
1433 {
1434 	return 0;
1435 }
1436 static inline void
1437 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1438 {
1439 }
1440 static inline void
1441 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1442 {
1443 }
1444 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1445 
1446 /* rate scaling */
1447 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1448 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1449 int rs_pretty_print_rate(char *buf, const u32 rate);
1450 void rs_update_last_rssi(struct iwl_mvm *mvm,
1451 			 struct iwl_lq_sta *lq_sta,
1452 			 struct ieee80211_rx_status *rx_status);
1453 
1454 /* power management */
1455 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1456 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1457 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1458 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1459 				 char *buf, int bufsz);
1460 
1461 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1462 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1463 					      struct iwl_rx_cmd_buffer *rxb);
1464 
1465 #ifdef CONFIG_IWLWIFI_LEDS
1466 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1467 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1468 #else
1469 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1470 {
1471 	return 0;
1472 }
1473 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1474 {
1475 }
1476 #endif
1477 
1478 /* D3 (WoWLAN, NetDetect) */
1479 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1480 int iwl_mvm_resume(struct ieee80211_hw *hw);
1481 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1482 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1483 			    struct ieee80211_vif *vif,
1484 			    struct cfg80211_gtk_rekey_data *data);
1485 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1486 			      struct ieee80211_vif *vif,
1487 			      struct inet6_dev *idev);
1488 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1489 				     struct ieee80211_vif *vif, int idx);
1490 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1491 #ifdef CONFIG_PM
1492 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1493 				     struct ieee80211_vif *vif,
1494 				     bool host_awake,
1495 				     u32 cmd_flags);
1496 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1497 			      struct ieee80211_vif *vif,
1498 			      struct iwl_wowlan_status *status);
1499 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1500 				 struct ieee80211_vif *vif);
1501 #else
1502 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1503 						   struct ieee80211_vif *vif,
1504 						   bool host_awake,
1505 						   u32 cmd_flags)
1506 {
1507 	return 0;
1508 }
1509 
1510 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1511 					    struct ieee80211_vif *vif,
1512 					    struct iwl_wowlan_status *status)
1513 {
1514 }
1515 
1516 static inline void
1517 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1518 {
1519 }
1520 #endif
1521 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1522 				struct iwl_wowlan_config_cmd *cmd);
1523 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1524 			       struct ieee80211_vif *vif,
1525 			       bool disable_offloading,
1526 			       bool offload_ns,
1527 			       u32 cmd_flags);
1528 
1529 /* D0i3 */
1530 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1531 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1532 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1533 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1534 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1535 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1536 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1537 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1538 
1539 /* BT Coex */
1540 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1541 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1542 			      struct iwl_rx_cmd_buffer *rxb);
1543 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1544 			   enum ieee80211_rssi_event_data);
1545 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1546 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1547 				struct ieee80211_sta *sta);
1548 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1549 				     struct ieee80211_sta *sta);
1550 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1551 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1552 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1553 				    enum nl80211_band band);
1554 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1555 			   struct ieee80211_tx_info *info, u8 ac);
1556 
1557 /* beacon filtering */
1558 #ifdef CONFIG_IWLWIFI_DEBUGFS
1559 void
1560 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1561 					 struct iwl_beacon_filter_cmd *cmd);
1562 #else
1563 static inline void
1564 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1565 					 struct iwl_beacon_filter_cmd *cmd)
1566 {}
1567 #endif
1568 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1569 				   struct ieee80211_vif *vif,
1570 				   bool enable, u32 flags);
1571 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1572 				 struct ieee80211_vif *vif,
1573 				 u32 flags);
1574 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1575 				  struct ieee80211_vif *vif,
1576 				  u32 flags);
1577 /* SMPS */
1578 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1579 				enum iwl_mvm_smps_type_request req_type,
1580 				enum ieee80211_smps_mode smps_request);
1581 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1582 
1583 /* Low latency */
1584 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1585 			       bool value);
1586 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1587 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1588 /* get VMACLowLatencyMode */
1589 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1590 {
1591 	/*
1592 	 * should this consider associated/active/... state?
1593 	 *
1594 	 * Normally low-latency should only be active on interfaces
1595 	 * that are active, but at least with debugfs it can also be
1596 	 * enabled on interfaces that aren't active. However, when
1597 	 * interface aren't active then they aren't added into the
1598 	 * binding, so this has no real impact. For now, just return
1599 	 * the current desired low-latency state.
1600 	 */
1601 	return mvmvif->low_latency_dbgfs ||
1602 	       mvmvif->low_latency_traffic ||
1603 	       mvmvif->low_latency_vcmd;
1604 }
1605 
1606 /* hw scheduler queue config */
1607 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1608 			u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1609 			unsigned int wdg_timeout);
1610 /*
1611  * Disable a TXQ.
1612  * Note that in non-DQA mode the %mac80211_queue and %tid params are ignored.
1613  */
1614 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1615 			 u8 tid, u8 flags);
1616 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq);
1617 
1618 /* Return a bitmask with all the hw supported queues, except for the
1619  * command queue, which can't be flushed.
1620  */
1621 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1622 {
1623 	return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1624 		~BIT(IWL_MVM_CMD_QUEUE));
1625 }
1626 
1627 static inline
1628 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1629 			   u8 fifo, u16 ssn, unsigned int wdg_timeout)
1630 {
1631 	struct iwl_trans_txq_scd_cfg cfg = {
1632 		.fifo = fifo,
1633 		.tid = IWL_MAX_TID_COUNT,
1634 		.aggregate = false,
1635 		.frame_limit = IWL_FRAME_LIMIT,
1636 	};
1637 
1638 	iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
1639 }
1640 
1641 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1642 {
1643 	mvm->ucode_loaded = false;
1644 	iwl_trans_stop_device(mvm->trans);
1645 }
1646 
1647 /* Stop/start all mac queues in a given bitmap */
1648 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1649 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1650 
1651 /* Re-configure the SCD for a queue that has already been configured */
1652 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id,
1653 			 int tid, int frame_limit, u16 ssn);
1654 
1655 /* Thermal management and CT-kill */
1656 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1657 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1658 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1659 			struct iwl_rx_cmd_buffer *rxb);
1660 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1661 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1662 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
1663 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1664 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
1665 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1666 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
1667 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
1668 
1669 /* Location Aware Regulatory */
1670 struct iwl_mcc_update_resp *
1671 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1672 		   enum iwl_mcc_source src_id);
1673 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1674 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1675 				struct iwl_rx_cmd_buffer *rxb);
1676 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1677 						  const char *alpha2,
1678 						  enum iwl_mcc_source src_id,
1679 						  bool *changed);
1680 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1681 							  bool *changed);
1682 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1683 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1684 
1685 /* smart fifo */
1686 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1687 		      bool added_vif);
1688 
1689 /* TDLS */
1690 
1691 /*
1692  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1693  * This TID is marked as used vs the AP and all connected TDLS peers.
1694  */
1695 #define IWL_MVM_TDLS_FW_TID 4
1696 
1697 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1698 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1699 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1700 			       bool sta_added);
1701 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1702 					   struct ieee80211_vif *vif);
1703 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1704 				struct ieee80211_vif *vif,
1705 				struct ieee80211_sta *sta, u8 oper_class,
1706 				struct cfg80211_chan_def *chandef,
1707 				struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1708 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1709 				      struct ieee80211_vif *vif,
1710 				      struct ieee80211_tdls_ch_sw_params *params);
1711 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1712 					struct ieee80211_vif *vif,
1713 					struct ieee80211_sta *sta);
1714 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1715 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1716 
1717 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
1718 				     struct iwl_mvm_internal_rxq_notif *notif,
1719 				     u32 size);
1720 void iwl_mvm_reorder_timer_expired(unsigned long data);
1721 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1722 
1723 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1724 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1725 				    struct ieee80211_vif *vif,
1726 				    bool tdls, bool cmd_q);
1727 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1728 			     const char *errmsg);
1729 
1730 /* Link Quality Measurement */
1731 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif *vif,
1732 			 enum iwl_lqm_cmd_operatrions operation,
1733 			 u32 duration, u32 timeout);
1734 bool iwl_mvm_lqm_active(struct iwl_mvm *mvm);
1735 
1736 #endif /* __IWL_MVM_H__ */
1737