Merge branch 'iwlwifi-fixes' into iwlwifi-next
[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / iwlwifi / mvm / mvm.h
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65
66 #ifndef __IWL_MVM_H__
67 #define __IWL_MVM_H__
68
69 #include <linux/list.h>
70 #include <linux/spinlock.h>
71 #include <linux/leds.h>
72 #include <linux/in6.h>
73
74 #include "iwl-op-mode.h"
75 #include "iwl-trans.h"
76 #include "iwl-notif-wait.h"
77 #include "iwl-eeprom-parse.h"
78 #include "iwl-fw-file.h"
79 #include "sta.h"
80 #include "fw-api.h"
81 #include "constants.h"
82
83 #define IWL_INVALID_MAC80211_QUEUE      0xff
84 #define IWL_MVM_MAX_ADDRESSES           5
85 /* RSSI offset for WkP */
86 #define IWL_RSSI_OFFSET 50
87 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
88 /* A TimeUnit is 1024 microsecond */
89 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
90
91 /* For GO, this value represents the number of TUs before CSA "beacon
92  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
93  * must be big enough to ensure that we switch in time.
94  */
95 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
96
97 /* For client, this value represents the number of TUs before CSA
98  * "beacon 1" TBTT, instead.  This is because we don't know when the
99  * GO/AP will be in the new channel, so we switch early enough.
100  */
101 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
102
103 /*
104  * This value (in TUs) is used to fine tune the CSA NoA end time which should
105  * be just before "beacon 0" TBTT.
106  */
107 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
108
109 /*
110  * Number of beacons to transmit on a new channel until we unblock tx to
111  * the stations, even if we didn't identify them on a new channel
112  */
113 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
114
115 extern const struct ieee80211_ops iwl_mvm_hw_ops;
116
117 /**
118  * struct iwl_mvm_mod_params - module parameters for iwlmvm
119  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
120  *      We will register to mac80211 to have testmode working. The NIC must not
121  *      be up'ed after the INIT fw asserted. This is useful to be able to use
122  *      proprietary tools over testmode to debug the INIT fw.
123  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
124  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
125  *      Save)-2(default), LP(Low Power)-3
126  */
127 struct iwl_mvm_mod_params {
128         bool init_dbg;
129         bool tfd_q_hang_detect;
130         int power_scheme;
131 };
132 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
133
134 /**
135  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
136  *
137  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
138  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
139  *      transport's data.
140  * @trans_len: length of the valid data in trans_ptr
141  * @op_mode_len: length of the valid data in op_mode_ptr
142  */
143 struct iwl_mvm_dump_ptrs {
144         struct iwl_trans_dump_data *trans_ptr;
145         void *op_mode_ptr;
146         u32 op_mode_len;
147 };
148
149 /**
150  * struct iwl_mvm_dump_desc - describes the dump
151  * @len: length of trig_desc->data
152  * @trig_desc: the description of the dump
153  */
154 struct iwl_mvm_dump_desc {
155         size_t len;
156         /* must be last */
157         struct iwl_fw_error_dump_trigger_desc trig_desc;
158 };
159
160 extern struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
161
162 struct iwl_mvm_phy_ctxt {
163         u16 id;
164         u16 color;
165         u32 ref;
166
167         /*
168          * TODO: This should probably be removed. Currently here only for rate
169          * scaling algorithm
170          */
171         struct ieee80211_channel *channel;
172 };
173
174 struct iwl_mvm_time_event_data {
175         struct ieee80211_vif *vif;
176         struct list_head list;
177         unsigned long end_jiffies;
178         u32 duration;
179         bool running;
180         u32 uid;
181
182         /*
183          * The access to the 'id' field must be done when the
184          * mvm->time_event_lock is held, as it value is used to indicate
185          * if the te is in the time event list or not (when id == TE_MAX)
186          */
187         u32 id;
188 };
189
190  /* Power management */
191
192 /**
193  * enum iwl_power_scheme
194  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
195  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
196  * @IWL_POWER_LEVEL_LP  - Low Power
197  */
198 enum iwl_power_scheme {
199         IWL_POWER_SCHEME_CAM = 1,
200         IWL_POWER_SCHEME_BPS,
201         IWL_POWER_SCHEME_LP
202 };
203
204 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
205 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
206
207 #ifdef CONFIG_IWLWIFI_DEBUGFS
208 enum iwl_dbgfs_pm_mask {
209         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
210         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
211         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
212         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
213         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
214         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
215         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
216         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
217         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
218         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
219 };
220
221 struct iwl_dbgfs_pm {
222         u16 keep_alive_seconds;
223         u32 rx_data_timeout;
224         u32 tx_data_timeout;
225         bool skip_over_dtim;
226         u8 skip_dtim_periods;
227         bool lprx_ena;
228         u32 lprx_rssi_threshold;
229         bool snooze_ena;
230         bool uapsd_misbehaving;
231         bool use_ps_poll;
232         int mask;
233 };
234
235 /* beacon filtering */
236
237 enum iwl_dbgfs_bf_mask {
238         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
239         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
240         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
241         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
242         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
243         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
244         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
245         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
246         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
247         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
248         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
249 };
250
251 struct iwl_dbgfs_bf {
252         u32 bf_energy_delta;
253         u32 bf_roaming_energy_delta;
254         u32 bf_roaming_state;
255         u32 bf_temp_threshold;
256         u32 bf_temp_fast_filter;
257         u32 bf_temp_slow_filter;
258         u32 bf_enable_beacon_filter;
259         u32 bf_debug_flag;
260         u32 bf_escape_timer;
261         u32 ba_escape_timer;
262         u32 ba_enable_beacon_abort;
263         int mask;
264 };
265 #endif
266
267 enum iwl_mvm_smps_type_request {
268         IWL_MVM_SMPS_REQ_BT_COEX,
269         IWL_MVM_SMPS_REQ_TT,
270         IWL_MVM_SMPS_REQ_PROT,
271         NUM_IWL_MVM_SMPS_REQ,
272 };
273
274 enum iwl_mvm_ref_type {
275         IWL_MVM_REF_UCODE_DOWN,
276         IWL_MVM_REF_SCAN,
277         IWL_MVM_REF_ROC,
278         IWL_MVM_REF_P2P_CLIENT,
279         IWL_MVM_REF_AP_IBSS,
280         IWL_MVM_REF_USER,
281         IWL_MVM_REF_TX,
282         IWL_MVM_REF_TX_AGG,
283         IWL_MVM_REF_ADD_IF,
284         IWL_MVM_REF_START_AP,
285         IWL_MVM_REF_BSS_CHANGED,
286         IWL_MVM_REF_PREPARE_TX,
287         IWL_MVM_REF_PROTECT_TDLS,
288         IWL_MVM_REF_CHECK_CTKILL,
289         IWL_MVM_REF_PRPH_READ,
290         IWL_MVM_REF_PRPH_WRITE,
291         IWL_MVM_REF_NMI,
292         IWL_MVM_REF_TM_CMD,
293         IWL_MVM_REF_EXIT_WORK,
294         IWL_MVM_REF_PROTECT_CSA,
295         IWL_MVM_REF_FW_DBG_COLLECT,
296
297         /* update debugfs.c when changing this */
298
299         IWL_MVM_REF_COUNT,
300 };
301
302 enum iwl_bt_force_ant_mode {
303         BT_FORCE_ANT_DIS = 0,
304         BT_FORCE_ANT_AUTO,
305         BT_FORCE_ANT_BT,
306         BT_FORCE_ANT_WIFI,
307
308         BT_FORCE_ANT_MAX,
309 };
310
311 /**
312 * struct iwl_mvm_vif_bf_data - beacon filtering related data
313 * @bf_enabled: indicates if beacon filtering is enabled
314 * @ba_enabled: indicated if beacon abort is enabled
315 * @ave_beacon_signal: average beacon signal
316 * @last_cqm_event: rssi of the last cqm event
317 * @bt_coex_min_thold: minimum threshold for BT coex
318 * @bt_coex_max_thold: maximum threshold for BT coex
319 * @last_bt_coex_event: rssi of the last BT coex event
320 */
321 struct iwl_mvm_vif_bf_data {
322         bool bf_enabled;
323         bool ba_enabled;
324         s8 ave_beacon_signal;
325         s8 last_cqm_event;
326         s8 bt_coex_min_thold;
327         s8 bt_coex_max_thold;
328         s8 last_bt_coex_event;
329 };
330
331 /**
332  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
333  * @id: between 0 and 3
334  * @color: to solve races upon MAC addition and removal
335  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
336  * @bssid: BSSID for this (client) interface
337  * @associated: indicates that we're currently associated, used only for
338  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
339  * @uploaded: indicates the MAC context has been added to the device
340  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
341  *      should get quota etc.
342  * @pm_enabled - Indicate if MAC power management is allowed
343  * @monitor_active: indicates that monitor context is configured, and that the
344  *      interface should get quota etc.
345  * @low_latency: indicates that this interface is in low-latency mode
346  *      (VMACLowLatencyMode)
347  * @ps_disabled: indicates that this interface requires PS to be disabled
348  * @queue_params: QoS params for this MAC
349  * @bcast_sta: station used for broadcast packets. Used by the following
350  *  vifs: P2P_DEVICE, GO and AP.
351  * @beacon_skb: the skb used to hold the AP/GO beacon template
352  * @smps_requests: the SMPS requests of differents parts of the driver,
353  *      combined on update to yield the overall request to mac80211.
354  * @beacon_stats: beacon statistics, containing the # of received beacons,
355  *      # of received beacons accumulated over FW restart, and the current
356  *      average signal of beacons retrieved from the firmware
357  */
358 struct iwl_mvm_vif {
359         struct iwl_mvm *mvm;
360         u16 id;
361         u16 color;
362         u8 ap_sta_id;
363
364         u8 bssid[ETH_ALEN];
365         bool associated;
366
367         bool uploaded;
368         bool ap_ibss_active;
369         bool pm_enabled;
370         bool monitor_active;
371         bool low_latency;
372         bool ps_disabled;
373         struct iwl_mvm_vif_bf_data bf_data;
374
375         struct {
376                 u32 num_beacons, accu_num_beacons;
377                 u8 avg_signal;
378         } beacon_stats;
379
380         u32 ap_beacon_time;
381
382         enum iwl_tsf_id tsf_id;
383
384         /*
385          * QoS data from mac80211, need to store this here
386          * as mac80211 has a separate callback but we need
387          * to have the data for the MAC context
388          */
389         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
390         struct iwl_mvm_time_event_data time_event_data;
391         struct iwl_mvm_time_event_data hs_time_event_data;
392
393         struct iwl_mvm_int_sta bcast_sta;
394
395         /*
396          * Assigned while mac80211 has the interface in a channel context,
397          * or, for P2P Device, while it exists.
398          */
399         struct iwl_mvm_phy_ctxt *phy_ctxt;
400
401 #ifdef CONFIG_PM_SLEEP
402         /* WoWLAN GTK rekey data */
403         struct {
404                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
405                 __le64 replay_ctr;
406                 bool valid;
407         } rekey_data;
408
409         int tx_key_idx;
410
411         bool seqno_valid;
412         u16 seqno;
413 #endif
414
415 #if IS_ENABLED(CONFIG_IPV6)
416         /* IPv6 addresses for WoWLAN */
417         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
418         int num_target_ipv6_addrs;
419 #endif
420
421 #ifdef CONFIG_IWLWIFI_DEBUGFS
422         struct dentry *dbgfs_dir;
423         struct dentry *dbgfs_slink;
424         struct iwl_dbgfs_pm dbgfs_pm;
425         struct iwl_dbgfs_bf dbgfs_bf;
426         struct iwl_mac_power_cmd mac_pwr_cmd;
427 #endif
428
429         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
430
431         /* FW identified misbehaving AP */
432         u8 uapsd_misbehaving_bssid[ETH_ALEN];
433
434         /* Indicates that CSA countdown may be started */
435         bool csa_countdown;
436 };
437
438 static inline struct iwl_mvm_vif *
439 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
440 {
441         return (void *)vif->drv_priv;
442 }
443
444 extern const u8 tid_to_mac80211_ac[];
445
446 enum iwl_scan_status {
447         IWL_MVM_SCAN_NONE,
448         IWL_MVM_SCAN_OS,
449         IWL_MVM_SCAN_SCHED,
450 };
451
452 /**
453  * struct iwl_nvm_section - describes an NVM section in memory.
454  *
455  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
456  * and saved for later use by the driver. Not all NVM sections are saved
457  * this way, only the needed ones.
458  */
459 struct iwl_nvm_section {
460         u16 length;
461         const u8 *data;
462 };
463
464 /*
465  * Tx-backoff threshold
466  * @temperature: The threshold in Celsius
467  * @backoff: The tx-backoff in uSec
468  */
469 struct iwl_tt_tx_backoff {
470         s32 temperature;
471         u32 backoff;
472 };
473
474 #define TT_TX_BACKOFF_SIZE 6
475
476 /**
477  * struct iwl_tt_params - thermal throttling parameters
478  * @ct_kill_entry: CT Kill entry threshold
479  * @ct_kill_exit: CT Kill exit threshold
480  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
481  *      to checks whether to exit CT Kill.
482  * @dynamic_smps_entry: Dynamic SMPS entry threshold
483  * @dynamic_smps_exit: Dynamic SMPS exit threshold
484  * @tx_protection_entry: TX protection entry threshold
485  * @tx_protection_exit: TX protection exit threshold
486  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
487  * @support_ct_kill: Support CT Kill?
488  * @support_dynamic_smps: Support dynamic SMPS?
489  * @support_tx_protection: Support tx protection?
490  * @support_tx_backoff: Support tx-backoff?
491  */
492 struct iwl_tt_params {
493         s32 ct_kill_entry;
494         s32 ct_kill_exit;
495         u32 ct_kill_duration;
496         s32 dynamic_smps_entry;
497         s32 dynamic_smps_exit;
498         s32 tx_protection_entry;
499         s32 tx_protection_exit;
500         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
501         bool support_ct_kill;
502         bool support_dynamic_smps;
503         bool support_tx_protection;
504         bool support_tx_backoff;
505 };
506
507 /**
508  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
509  * @ct_kill_exit: worker to exit thermal kill
510  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
511  * @tx_backoff: The current thremal throttling tx backoff in uSec.
512  * @min_backoff: The minimal tx backoff due to power restrictions
513  * @params: Parameters to configure the thermal throttling algorithm.
514  * @throttle: Is thermal throttling is active?
515  */
516 struct iwl_mvm_tt_mgmt {
517         struct delayed_work ct_kill_exit;
518         bool dynamic_smps;
519         u32 tx_backoff;
520         u32 min_backoff;
521         const struct iwl_tt_params *params;
522         bool throttle;
523 };
524
525 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
526
527 struct iwl_mvm_frame_stats {
528         u32 legacy_frames;
529         u32 ht_frames;
530         u32 vht_frames;
531         u32 bw_20_frames;
532         u32 bw_40_frames;
533         u32 bw_80_frames;
534         u32 bw_160_frames;
535         u32 sgi_frames;
536         u32 ngi_frames;
537         u32 siso_frames;
538         u32 mimo2_frames;
539         u32 agg_frames;
540         u32 ampdu_count;
541         u32 success_frames;
542         u32 fail_frames;
543         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
544         int last_frame_idx;
545 };
546
547 enum {
548         D0I3_DEFER_WAKEUP,
549         D0I3_PENDING_WAKEUP,
550 };
551
552 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
553 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
554 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
555
556 enum iwl_mvm_tdls_cs_state {
557         IWL_MVM_TDLS_SW_IDLE = 0,
558         IWL_MVM_TDLS_SW_REQ_SENT,
559         IWL_MVM_TDLS_SW_RESP_RCVD,
560         IWL_MVM_TDLS_SW_REQ_RCVD,
561         IWL_MVM_TDLS_SW_ACTIVE,
562 };
563
564 struct iwl_mvm_shared_mem_cfg {
565         u32 shared_mem_addr;
566         u32 shared_mem_size;
567         u32 sample_buff_addr;
568         u32 sample_buff_size;
569         u32 txfifo_addr;
570         u32 txfifo_size[TX_FIFO_MAX_NUM];
571         u32 rxfifo_size[RX_FIFO_MAX_NUM];
572         u32 page_buff_addr;
573         u32 page_buff_size;
574 };
575
576 struct iwl_mvm {
577         /* for logger access */
578         struct device *dev;
579
580         struct iwl_trans *trans;
581         const struct iwl_fw *fw;
582         const struct iwl_cfg *cfg;
583         struct iwl_phy_db *phy_db;
584         struct ieee80211_hw *hw;
585
586         /* for protecting access to iwl_mvm */
587         struct mutex mutex;
588         struct list_head async_handlers_list;
589         spinlock_t async_handlers_lock;
590         struct work_struct async_handlers_wk;
591
592         struct work_struct roc_done_wk;
593
594         unsigned long status;
595
596         /*
597          * for beacon filtering -
598          * currently only one interface can be supported
599          */
600         struct iwl_mvm_vif *bf_allowed_vif;
601
602         enum iwl_ucode_type cur_ucode;
603         bool ucode_loaded;
604         bool init_ucode_complete;
605         bool calibrating;
606         u32 error_event_table;
607         u32 log_event_table;
608         u32 umac_error_event_table;
609         bool support_umac_log;
610         struct iwl_sf_region sf_space;
611
612         u32 ampdu_ref;
613
614         struct iwl_notif_wait_data notif_wait;
615
616         struct mvm_statistics_rx rx_stats;
617
618         struct {
619                 u64 rx_time;
620                 u64 tx_time;
621                 u64 on_time_rf;
622                 u64 on_time_scan;
623         } radio_stats, accu_radio_stats;
624
625         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
626         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
627
628         const char *nvm_file_name;
629         struct iwl_nvm_data *nvm_data;
630         /* NVM sections */
631         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
632
633         /* EEPROM MAC addresses */
634         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
635
636         /* data related to data path */
637         struct iwl_rx_phy_info last_phy_info;
638         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
639         struct work_struct sta_drained_wk;
640         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
641         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
642         u32 tfd_drained[IWL_MVM_STATION_COUNT];
643         u8 rx_ba_sessions;
644
645         /* configured by mac80211 */
646         u32 rts_threshold;
647
648         /* Scan status, cmd (pre-allocated) and auxiliary station */
649         enum iwl_scan_status scan_status;
650         void *scan_cmd;
651         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
652
653         /* UMAC scan tracking */
654         u32 scan_uid[IWL_MVM_MAX_SIMULTANEOUS_SCANS];
655         u8 scan_seq_num, sched_scan_seq_num;
656
657         /* rx chain antennas set through debugfs for the scan command */
658         u8 scan_rx_ant;
659
660 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
661         /* broadcast filters to configure for each associated station */
662         const struct iwl_fw_bcast_filter *bcast_filters;
663 #ifdef CONFIG_IWLWIFI_DEBUGFS
664         struct {
665                 u32 override; /* u32 for debugfs_create_bool */
666                 struct iwl_bcast_filter_cmd cmd;
667         } dbgfs_bcast_filtering;
668 #endif
669 #endif
670
671         /* Internal station */
672         struct iwl_mvm_int_sta aux_sta;
673
674         bool last_ebs_successful;
675
676         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
677         u8 mgmt_last_antenna_idx;
678
679         /* last smart fifo state that was successfully sent to firmware */
680         enum iwl_sf_state sf_state;
681
682 #ifdef CONFIG_IWLWIFI_DEBUGFS
683         struct dentry *debugfs_dir;
684         u32 dbgfs_sram_offset, dbgfs_sram_len;
685         u32 dbgfs_prph_reg_addr;
686         bool disable_power_off;
687         bool disable_power_off_d3;
688
689         bool scan_iter_notif_enabled;
690
691         struct debugfs_blob_wrapper nvm_hw_blob;
692         struct debugfs_blob_wrapper nvm_sw_blob;
693         struct debugfs_blob_wrapper nvm_calib_blob;
694         struct debugfs_blob_wrapper nvm_prod_blob;
695
696         struct iwl_mvm_frame_stats drv_rx_stats;
697         spinlock_t drv_stats_lock;
698         u16 dbgfs_rx_phyinfo;
699 #endif
700
701         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
702
703         struct list_head time_event_list;
704         spinlock_t time_event_lock;
705
706         /*
707          * A bitmap indicating the index of the key in use. The firmware
708          * can hold 16 keys at most. Reflect this fact.
709          */
710         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
711
712         /* references taken by the driver and spinlock protecting them */
713         spinlock_t refs_lock;
714         u8 refs[IWL_MVM_REF_COUNT];
715
716         u8 vif_count;
717
718         /* -1 for always, 0 for never, >0 for that many times */
719         s8 restart_fw;
720         u8 fw_dbg_conf;
721         struct delayed_work fw_dump_wk;
722         struct iwl_mvm_dump_desc *fw_dump_desc;
723
724 #ifdef CONFIG_IWLWIFI_LEDS
725         struct led_classdev led;
726 #endif
727
728         struct ieee80211_vif *p2p_device_vif;
729
730 #ifdef CONFIG_PM_SLEEP
731         struct wiphy_wowlan_support wowlan;
732         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
733
734         /* sched scan settings for net detect */
735         struct cfg80211_sched_scan_request *nd_config;
736         struct ieee80211_scan_ies nd_ies;
737         struct cfg80211_match_set *nd_match_sets;
738         int n_nd_match_sets;
739         struct ieee80211_channel **nd_channels;
740         int n_nd_channels;
741         bool net_detect;
742 #ifdef CONFIG_IWLWIFI_DEBUGFS
743         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
744         bool d3_test_active;
745         bool store_d3_resume_sram;
746         void *d3_resume_sram;
747         u32 d3_test_pme_ptr;
748         struct ieee80211_vif *keep_vif;
749 #endif
750 #endif
751
752         /* d0i3 */
753         u8 d0i3_ap_sta_id;
754         bool d0i3_offloading;
755         struct work_struct d0i3_exit_work;
756         struct sk_buff_head d0i3_tx;
757         /* protect d0i3_suspend_flags */
758         struct mutex d0i3_suspend_mutex;
759         unsigned long d0i3_suspend_flags;
760         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
761         spinlock_t d0i3_tx_lock;
762         wait_queue_head_t d0i3_exit_waitq;
763
764         /* BT-Coex */
765         u8 bt_ack_kill_msk[NUM_PHY_CTX];
766         u8 bt_cts_kill_msk[NUM_PHY_CTX];
767
768         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
769         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
770         struct iwl_bt_coex_profile_notif last_bt_notif;
771         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
772
773         u32 last_ant_isol;
774         u8 last_corun_lut;
775         u8 bt_tx_prio;
776         enum iwl_bt_force_ant_mode bt_force_ant_mode;
777
778         /* Aux ROC */
779         struct list_head aux_roc_te_list;
780
781         /* Thermal Throttling and CTkill */
782         struct iwl_mvm_tt_mgmt thermal_throttle;
783         s32 temperature;        /* Celsius */
784         /*
785          * Debug option to set the NIC temperature. This option makes the
786          * driver think this is the actual NIC temperature, and ignore the
787          * real temperature that is received from the fw
788          */
789         bool temperature_test;  /* Debug test temperature is enabled */
790
791         struct iwl_time_quota_cmd last_quota_cmd;
792
793 #ifdef CONFIG_NL80211_TESTMODE
794         u32 noa_duration;
795         struct ieee80211_vif *noa_vif;
796 #endif
797
798         /* Tx queues */
799         u8 aux_queue;
800         u8 first_agg_queue;
801         u8 last_agg_queue;
802
803         /* Indicate if device power save is allowed */
804         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
805
806         struct ieee80211_vif __rcu *csa_vif;
807         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
808         u8 csa_tx_block_bcn_timeout;
809
810         /* system time of last beacon (for AP/GO interface) */
811         u32 ap_last_beacon_gp2;
812
813         bool lar_regdom_set;
814         enum iwl_mcc_source mcc_src;
815
816         u8 low_latency_agg_frame_limit;
817
818         /* TDLS channel switch data */
819         struct {
820                 struct delayed_work dwork;
821                 enum iwl_mvm_tdls_cs_state state;
822
823                 /*
824                  * Current cs sta - might be different from periodic cs peer
825                  * station. Value is meaningless when the cs-state is idle.
826                  */
827                 u8 cur_sta_id;
828
829                 /* TDLS periodic channel-switch peer */
830                 struct {
831                         u8 sta_id;
832                         u8 op_class;
833                         bool initiator; /* are we the link initiator */
834                         struct cfg80211_chan_def chandef;
835                         struct sk_buff *skb; /* ch sw template */
836                         u32 ch_sw_tm_ie;
837
838                         /* timestamp of last ch-sw request sent (GP2 time) */
839                         u32 sent_timestamp;
840                 } peer;
841         } tdls_cs;
842
843         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
844 };
845
846 /* Extract MVM priv from op_mode and _hw */
847 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
848         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
849
850 #define IWL_MAC80211_GET_MVM(_hw)                       \
851         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
852
853 enum iwl_mvm_status {
854         IWL_MVM_STATUS_HW_RFKILL,
855         IWL_MVM_STATUS_HW_CTKILL,
856         IWL_MVM_STATUS_ROC_RUNNING,
857         IWL_MVM_STATUS_IN_HW_RESTART,
858         IWL_MVM_STATUS_IN_D0I3,
859         IWL_MVM_STATUS_ROC_AUX_RUNNING,
860         IWL_MVM_STATUS_D3_RECONFIG,
861         IWL_MVM_STATUS_DUMPING_FW_LOG,
862 };
863
864 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
865 {
866         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
867                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
868 }
869
870 /* Must be called with rcu_read_lock() held and it can only be
871  * released when mvmsta is not needed anymore.
872  */
873 static inline struct iwl_mvm_sta *
874 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
875 {
876         struct ieee80211_sta *sta;
877
878         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
879                 return NULL;
880
881         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
882
883         /* This can happen if the station has been removed right now */
884         if (IS_ERR_OR_NULL(sta))
885                 return NULL;
886
887         return iwl_mvm_sta_from_mac80211(sta);
888 }
889
890 static inline struct iwl_mvm_sta *
891 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
892 {
893         struct ieee80211_sta *sta;
894
895         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
896                 return NULL;
897
898         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
899                                         lockdep_is_held(&mvm->mutex));
900
901         /* This can happen if the station has been removed right now */
902         if (IS_ERR_OR_NULL(sta))
903                 return NULL;
904
905         return iwl_mvm_sta_from_mac80211(sta);
906 }
907
908 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
909 {
910         return mvm->trans->cfg->d0i3 &&
911                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
912                !iwlwifi_mod_params.d0i3_disable &&
913                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
914 }
915
916 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
917 {
918         bool nvm_lar = mvm->nvm_data->lar_enabled;
919         bool tlv_lar = mvm->fw->ucode_capa.capa[0] &
920                 IWL_UCODE_TLV_CAPA_LAR_SUPPORT;
921
922         if (iwlwifi_mod_params.lar_disable)
923                 return false;
924
925         /*
926          * Enable LAR only if it is supported by the FW (TLV) &&
927          * enabled in the NVM
928          */
929         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
930                 return nvm_lar && tlv_lar;
931         else
932                 return tlv_lar;
933 }
934
935 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
936 {
937         return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_WIFI_MCC_UPDATE;
938 }
939
940 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
941 {
942         return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
943 }
944
945 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
946 {
947         return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
948                 IWL_MVM_BT_COEX_CORUNNING;
949 }
950
951 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
952 {
953         return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
954                 IWL_MVM_BT_COEX_RRC;
955 }
956
957 extern const u8 iwl_mvm_ac_to_tx_fifo[];
958
959 struct iwl_rate_info {
960         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
961         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
962         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
963         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
964         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
965 };
966
967 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
968 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
969
970 /******************
971  * MVM Methods
972  ******************/
973 /* uCode */
974 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
975
976 /* Utils */
977 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
978                                         enum ieee80211_band band);
979 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
980                                enum ieee80211_band band,
981                                struct ieee80211_tx_rate *r);
982 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
983 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
984 u8 first_antenna(u8 mask);
985 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
986
987 /* Tx / Host Commands */
988 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
989                                   struct iwl_host_cmd *cmd);
990 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
991                                       u32 flags, u16 len, const void *data);
992 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
993                                          struct iwl_host_cmd *cmd,
994                                          u32 *status);
995 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
996                                              u16 len, const void *data,
997                                              u32 *status);
998 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
999                    struct ieee80211_sta *sta);
1000 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1001 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1002                         struct iwl_tx_cmd *tx_cmd,
1003                         struct ieee80211_tx_info *info, u8 sta_id);
1004 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
1005                                struct ieee80211_tx_info *info,
1006                                struct iwl_tx_cmd *tx_cmd,
1007                                struct sk_buff *skb_frag);
1008 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1009                             struct ieee80211_tx_info *info,
1010                             struct ieee80211_sta *sta, __le16 fc);
1011 #ifdef CONFIG_IWLWIFI_DEBUG
1012 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1013 #else
1014 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1015 #endif
1016 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
1017 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1018
1019 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1020 {
1021         flush_work(&mvm->async_handlers_wk);
1022 }
1023
1024 /* Statistics */
1025 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1026                                   struct iwl_rx_packet *pkt);
1027 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1028                           struct iwl_rx_cmd_buffer *rxb,
1029                           struct iwl_device_cmd *cmd);
1030 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1031 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1032
1033 /* NVM */
1034 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1035 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1036
1037 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1038 {
1039         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1040                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1041                mvm->fw->valid_tx_ant;
1042 }
1043
1044 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1045 {
1046         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1047                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1048                mvm->fw->valid_rx_ant;
1049 }
1050
1051 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1052 {
1053         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1054                            FW_PHY_CFG_RX_CHAIN);
1055         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1056         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1057
1058         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1059                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1060
1061         return mvm->fw->phy_config & phy_config;
1062 }
1063
1064 int iwl_mvm_up(struct iwl_mvm *mvm);
1065 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1066
1067 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1068 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1069                                     struct iwl_bcast_filter_cmd *cmd);
1070
1071 /*
1072  * FW notifications / CMD responses handlers
1073  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1074  */
1075 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1076                           struct iwl_device_cmd *cmd);
1077 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1078                        struct iwl_device_cmd *cmd);
1079 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1080                       struct iwl_device_cmd *cmd);
1081 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1082                         struct iwl_device_cmd *cmd);
1083 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1084                          struct iwl_device_cmd *cmd);
1085 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1086                                   struct iwl_rx_cmd_buffer *rxb,
1087                                   struct iwl_device_cmd *cmd);
1088 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1089                           struct iwl_device_cmd *cmd);
1090 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1091                                 struct iwl_rx_cmd_buffer *rxb,
1092                                 struct iwl_device_cmd *cmd);
1093 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1094                          struct iwl_device_cmd *cmd);
1095 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1096                             struct iwl_device_cmd *cmd);
1097 int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1098                                     struct iwl_rx_cmd_buffer *rxb,
1099                                     struct iwl_device_cmd *cmd);
1100
1101 /* MVM PHY */
1102 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1103                          struct cfg80211_chan_def *chandef,
1104                          u8 chains_static, u8 chains_dynamic);
1105 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1106                              struct cfg80211_chan_def *chandef,
1107                              u8 chains_static, u8 chains_dynamic);
1108 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1109                           struct iwl_mvm_phy_ctxt *ctxt);
1110 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1111                             struct iwl_mvm_phy_ctxt *ctxt);
1112 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1113 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1114 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1115
1116 /* MAC (virtual interface) programming */
1117 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1118 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1119 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1120 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1121                              bool force_assoc_off, const u8 *bssid_override);
1122 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1123 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1124 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1125                                     struct ieee80211_vif *vif);
1126 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1127                             struct iwl_rx_cmd_buffer *rxb,
1128                             struct iwl_device_cmd *cmd);
1129 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1130                                     struct iwl_rx_cmd_buffer *rxb,
1131                                     struct iwl_device_cmd *cmd);
1132 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1133                                     struct ieee80211_vif *vif);
1134 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1135                                          struct ieee80211_vif *exclude_vif);
1136
1137 /* Bindings */
1138 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1139 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1140
1141 /* Quota management */
1142 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1143                           struct ieee80211_vif *disabled_vif);
1144
1145 /* Scanning */
1146 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1147 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1148 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1149
1150 /* Scheduled scan */
1151 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1152                                            struct iwl_rx_cmd_buffer *rxb,
1153                                            struct iwl_device_cmd *cmd);
1154 int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1155                                                 struct iwl_rx_cmd_buffer *rxb,
1156                                                 struct iwl_device_cmd *cmd);
1157 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1158                                        struct cfg80211_sched_scan_request *req);
1159 int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
1160                                struct ieee80211_vif *vif,
1161                                struct cfg80211_sched_scan_request *req,
1162                                struct ieee80211_scan_ies *ies);
1163 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1164 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1165                                     struct iwl_rx_cmd_buffer *rxb,
1166                                     struct iwl_device_cmd *cmd);
1167
1168 /* Unified scan */
1169 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
1170                               struct ieee80211_vif *vif,
1171                               struct ieee80211_scan_request *req);
1172 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
1173                                     struct ieee80211_vif *vif,
1174                                     struct cfg80211_sched_scan_request *req,
1175                                     struct ieee80211_scan_ies *ies);
1176
1177 /* UMAC scan */
1178 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1179 int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1180                       struct ieee80211_scan_request *req);
1181 int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1182                             struct cfg80211_sched_scan_request *req,
1183                             struct ieee80211_scan_ies *ies);
1184 int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1185                                         struct iwl_rx_cmd_buffer *rxb,
1186                                         struct iwl_device_cmd *cmd);
1187
1188 /* MVM debugfs */
1189 #ifdef CONFIG_IWLWIFI_DEBUGFS
1190 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1191 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1192 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1193 #else
1194 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1195                                          struct dentry *dbgfs_dir)
1196 {
1197         return 0;
1198 }
1199 static inline void
1200 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1201 {
1202 }
1203 static inline void
1204 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1205 {
1206 }
1207 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1208
1209 /* rate scaling */
1210 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1211 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1212 int rs_pretty_print_rate(char *buf, const u32 rate);
1213 void rs_update_last_rssi(struct iwl_mvm *mvm,
1214                          struct iwl_lq_sta *lq_sta,
1215                          struct ieee80211_rx_status *rx_status);
1216
1217 /* power management */
1218 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1219 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1220 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1221 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1222                                  char *buf, int bufsz);
1223
1224 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1225 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1226                                              struct iwl_rx_cmd_buffer *rxb,
1227                                              struct iwl_device_cmd *cmd);
1228
1229 #ifdef CONFIG_IWLWIFI_LEDS
1230 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1231 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1232 #else
1233 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1234 {
1235         return 0;
1236 }
1237 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1238 {
1239 }
1240 #endif
1241
1242 /* D3 (WoWLAN, NetDetect) */
1243 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1244 int iwl_mvm_resume(struct ieee80211_hw *hw);
1245 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1246 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1247                             struct ieee80211_vif *vif,
1248                             struct cfg80211_gtk_rekey_data *data);
1249 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1250                               struct ieee80211_vif *vif,
1251                               struct inet6_dev *idev);
1252 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1253                                      struct ieee80211_vif *vif, int idx);
1254 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1255 #ifdef CONFIG_PM_SLEEP
1256 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1257                                  struct ieee80211_vif *vif);
1258 #else
1259 static inline void
1260 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1261 {
1262 }
1263 #endif
1264 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1265                                 struct iwl_wowlan_config_cmd *cmd);
1266 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1267                                struct ieee80211_vif *vif,
1268                                bool disable_offloading,
1269                                u32 cmd_flags);
1270
1271 /* D0i3 */
1272 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1273 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1274 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1275 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1276 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1277 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1278 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1279 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1280
1281 /* BT Coex */
1282 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1283 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1284                              struct iwl_rx_cmd_buffer *rxb,
1285                              struct iwl_device_cmd *cmd);
1286 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1287                            enum ieee80211_rssi_event rssi_event);
1288 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1289 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1290                                 struct ieee80211_sta *sta);
1291 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1292                                      struct ieee80211_sta *sta);
1293 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1294 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1295 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1296                                     enum ieee80211_band band);
1297 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1298                            struct ieee80211_tx_info *info, u8 ac);
1299
1300 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1301 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1302 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1303 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1304                                  struct iwl_rx_cmd_buffer *rxb,
1305                                  struct iwl_device_cmd *cmd);
1306 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1307                                enum ieee80211_rssi_event rssi_event);
1308 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1309                                     struct ieee80211_sta *sta);
1310 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1311                                          struct ieee80211_sta *sta);
1312 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1313                                         enum ieee80211_band band);
1314 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1315                                       struct iwl_rx_cmd_buffer *rxb,
1316                                       struct iwl_device_cmd *cmd);
1317
1318 /* beacon filtering */
1319 #ifdef CONFIG_IWLWIFI_DEBUGFS
1320 void
1321 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1322                                          struct iwl_beacon_filter_cmd *cmd);
1323 #else
1324 static inline void
1325 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1326                                          struct iwl_beacon_filter_cmd *cmd)
1327 {}
1328 #endif
1329 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1330                                    struct ieee80211_vif *vif,
1331                                    bool enable, u32 flags);
1332 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1333                                  struct ieee80211_vif *vif,
1334                                  u32 flags);
1335 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1336                                   struct ieee80211_vif *vif,
1337                                   u32 flags);
1338 /* SMPS */
1339 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1340                                 enum iwl_mvm_smps_type_request req_type,
1341                                 enum ieee80211_smps_mode smps_request);
1342 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1343
1344 /* Low latency */
1345 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1346                                bool value);
1347 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1348 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1349 /* get VMACLowLatencyMode */
1350 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1351 {
1352         /*
1353          * should this consider associated/active/... state?
1354          *
1355          * Normally low-latency should only be active on interfaces
1356          * that are active, but at least with debugfs it can also be
1357          * enabled on interfaces that aren't active. However, when
1358          * interface aren't active then they aren't added into the
1359          * binding, so this has no real impact. For now, just return
1360          * the current desired low-latency state.
1361          */
1362
1363         return mvmvif->low_latency;
1364 }
1365
1366 /* hw scheduler queue config */
1367 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1368                         const struct iwl_trans_txq_scd_cfg *cfg,
1369                         unsigned int wdg_timeout);
1370 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1371
1372 static inline
1373 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1374                            u8 fifo, unsigned int wdg_timeout)
1375 {
1376         struct iwl_trans_txq_scd_cfg cfg = {
1377                 .fifo = fifo,
1378                 .tid = IWL_MAX_TID_COUNT,
1379                 .aggregate = false,
1380                 .frame_limit = IWL_FRAME_LIMIT,
1381         };
1382
1383         iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1384 }
1385
1386 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1387                                           int fifo, int sta_id, int tid,
1388                                           int frame_limit, u16 ssn,
1389                                           unsigned int wdg_timeout)
1390 {
1391         struct iwl_trans_txq_scd_cfg cfg = {
1392                 .fifo = fifo,
1393                 .sta_id = sta_id,
1394                 .tid = tid,
1395                 .frame_limit = frame_limit,
1396                 .aggregate = true,
1397         };
1398
1399         iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1400 }
1401
1402 /* Thermal management and CT-kill */
1403 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1404 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1405 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1406                        struct iwl_rx_cmd_buffer *rxb,
1407                        struct iwl_device_cmd *cmd);
1408 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1409 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1410 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1411 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1412 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1413
1414 /* Location Aware Regulatory */
1415 struct iwl_mcc_update_resp *
1416 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1417                    enum iwl_mcc_source src_id);
1418 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1419 int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1420                                struct iwl_rx_cmd_buffer *rxb,
1421                                struct iwl_device_cmd *cmd);
1422 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1423                                                   const char *alpha2,
1424                                                   enum iwl_mcc_source src_id,
1425                                                   bool *changed);
1426 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1427                                                           bool *changed);
1428 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1429 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1430
1431 /* smart fifo */
1432 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1433                       bool added_vif);
1434
1435 /* TDLS */
1436
1437 /*
1438  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1439  * This TID is marked as used vs the AP and all connected TDLS peers.
1440  */
1441 #define IWL_MVM_TDLS_FW_TID 4
1442
1443 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1444 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1445 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1446                                bool sta_added);
1447 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1448                                            struct ieee80211_vif *vif);
1449 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1450                                 struct ieee80211_vif *vif,
1451                                 struct ieee80211_sta *sta, u8 oper_class,
1452                                 struct cfg80211_chan_def *chandef,
1453                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1454 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1455                                       struct ieee80211_vif *vif,
1456                                       struct ieee80211_tdls_ch_sw_params *params);
1457 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1458                                         struct ieee80211_vif *vif,
1459                                         struct ieee80211_sta *sta);
1460 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1461                           struct iwl_device_cmd *cmd);
1462 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1463
1464 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1465
1466 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1467 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1468
1469 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1470 int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1471                            const char *str, size_t len, unsigned int delay);
1472 int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1473                                 struct iwl_mvm_dump_desc *desc,
1474                                 unsigned int delay);
1475 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1476 int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1477                                 struct iwl_fw_dbg_trigger_tlv *trigger,
1478                                 const char *str, size_t len);
1479
1480 static inline bool
1481 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1482                              struct ieee80211_vif *vif)
1483 {
1484         u32 trig_vif = le32_to_cpu(trig->vif_type);
1485
1486         return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1487 }
1488
1489 static inline bool
1490 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1491                                    struct iwl_fw_dbg_trigger_tlv *trig)
1492 {
1493         return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1494                 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
1495                 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1496 }
1497
1498 static inline bool
1499 iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1500                               struct ieee80211_vif *vif,
1501                               struct iwl_fw_dbg_trigger_tlv *trig)
1502 {
1503         if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1504                 return false;
1505
1506         return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1507 }
1508
1509 static inline void
1510 iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1511                                struct ieee80211_vif *vif,
1512                                enum iwl_fw_dbg_trigger trig,
1513                                const char *str, size_t len)
1514 {
1515         struct iwl_fw_dbg_trigger_tlv *trigger;
1516
1517         if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
1518                 return;
1519
1520         trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
1521         if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1522                 return;
1523
1524         iwl_mvm_fw_dbg_collect_trig(mvm, trigger, str, len);
1525 }
1526
1527 #endif /* __IWL_MVM_H__ */