Merge tag 'mac80211-next-for-davem-2015-03-30' of git://git.kernel.org/pub/scm/linux...
[cascardo/linux.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         u8 low_latency_agg_frame_limit;
814
815         /* TDLS channel switch data */
816         struct {
817                 struct delayed_work dwork;
818                 enum iwl_mvm_tdls_cs_state state;
819
820                 /*
821                  * Current cs sta - might be different from periodic cs peer
822                  * station. Value is meaningless when the cs-state is idle.
823                  */
824                 u8 cur_sta_id;
825
826                 /* TDLS periodic channel-switch peer */
827                 struct {
828                         u8 sta_id;
829                         u8 op_class;
830                         bool initiator; /* are we the link initiator */
831                         struct cfg80211_chan_def chandef;
832                         struct sk_buff *skb; /* ch sw template */
833                         u32 ch_sw_tm_ie;
834
835                         /* timestamp of last ch-sw request sent (GP2 time) */
836                         u32 sent_timestamp;
837                 } peer;
838         } tdls_cs;
839
840         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
841 };
842
843 /* Extract MVM priv from op_mode and _hw */
844 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
845         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
846
847 #define IWL_MAC80211_GET_MVM(_hw)                       \
848         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
849
850 enum iwl_mvm_status {
851         IWL_MVM_STATUS_HW_RFKILL,
852         IWL_MVM_STATUS_HW_CTKILL,
853         IWL_MVM_STATUS_ROC_RUNNING,
854         IWL_MVM_STATUS_IN_HW_RESTART,
855         IWL_MVM_STATUS_IN_D0I3,
856         IWL_MVM_STATUS_ROC_AUX_RUNNING,
857         IWL_MVM_STATUS_D3_RECONFIG,
858         IWL_MVM_STATUS_DUMPING_FW_LOG,
859 };
860
861 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
862 {
863         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
864                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
865 }
866
867 /* Must be called with rcu_read_lock() held and it can only be
868  * released when mvmsta is not needed anymore.
869  */
870 static inline struct iwl_mvm_sta *
871 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
872 {
873         struct ieee80211_sta *sta;
874
875         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
876                 return NULL;
877
878         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
879
880         /* This can happen if the station has been removed right now */
881         if (IS_ERR_OR_NULL(sta))
882                 return NULL;
883
884         return iwl_mvm_sta_from_mac80211(sta);
885 }
886
887 static inline struct iwl_mvm_sta *
888 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
889 {
890         struct ieee80211_sta *sta;
891
892         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
893                 return NULL;
894
895         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
896                                         lockdep_is_held(&mvm->mutex));
897
898         /* This can happen if the station has been removed right now */
899         if (IS_ERR_OR_NULL(sta))
900                 return NULL;
901
902         return iwl_mvm_sta_from_mac80211(sta);
903 }
904
905 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
906 {
907         return mvm->trans->cfg->d0i3 &&
908                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
909                !iwlwifi_mod_params.d0i3_disable &&
910                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
911 }
912
913 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
914 {
915         return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
916 }
917
918 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
919 {
920         return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
921                 IWL_MVM_BT_COEX_CORUNNING;
922 }
923
924 extern const u8 iwl_mvm_ac_to_tx_fifo[];
925
926 struct iwl_rate_info {
927         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
928         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
929         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
930         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
931         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
932 };
933
934 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
935 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
936
937 /******************
938  * MVM Methods
939  ******************/
940 /* uCode */
941 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
942
943 /* Utils */
944 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
945                                         enum ieee80211_band band);
946 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
947                                enum ieee80211_band band,
948                                struct ieee80211_tx_rate *r);
949 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
950 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
951 u8 first_antenna(u8 mask);
952 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
953
954 /* Tx / Host Commands */
955 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
956                                   struct iwl_host_cmd *cmd);
957 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
958                                       u32 flags, u16 len, const void *data);
959 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
960                                          struct iwl_host_cmd *cmd,
961                                          u32 *status);
962 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
963                                              u16 len, const void *data,
964                                              u32 *status);
965 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
966                    struct ieee80211_sta *sta);
967 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
968 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
969                         struct iwl_tx_cmd *tx_cmd,
970                         struct ieee80211_tx_info *info, u8 sta_id);
971 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
972                                struct ieee80211_tx_info *info,
973                                struct iwl_tx_cmd *tx_cmd,
974                                struct sk_buff *skb_frag);
975 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
976                             struct ieee80211_tx_info *info,
977                             struct ieee80211_sta *sta, __le16 fc);
978 #ifdef CONFIG_IWLWIFI_DEBUG
979 const char *iwl_mvm_get_tx_fail_reason(u32 status);
980 #else
981 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
982 #endif
983 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
984 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
985
986 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
987 {
988         flush_work(&mvm->async_handlers_wk);
989 }
990
991 /* Statistics */
992 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
993                                   struct iwl_rx_packet *pkt);
994 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
995                           struct iwl_rx_cmd_buffer *rxb,
996                           struct iwl_device_cmd *cmd);
997 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
998 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
999
1000 /* NVM */
1001 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1002 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1003
1004 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1005 {
1006         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1007                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1008                mvm->fw->valid_tx_ant;
1009 }
1010
1011 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1012 {
1013         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1014                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1015                mvm->fw->valid_rx_ant;
1016 }
1017
1018 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1019 {
1020         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1021                            FW_PHY_CFG_RX_CHAIN);
1022         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1023         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1024
1025         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1026                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1027
1028         return mvm->fw->phy_config & phy_config;
1029 }
1030
1031 int iwl_mvm_up(struct iwl_mvm *mvm);
1032 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1033
1034 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1035 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1036                                     struct iwl_bcast_filter_cmd *cmd);
1037
1038 /*
1039  * FW notifications / CMD responses handlers
1040  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1041  */
1042 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1043                           struct iwl_device_cmd *cmd);
1044 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1045                        struct iwl_device_cmd *cmd);
1046 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1047                       struct iwl_device_cmd *cmd);
1048 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1049                         struct iwl_device_cmd *cmd);
1050 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1051                          struct iwl_device_cmd *cmd);
1052 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1053                                   struct iwl_rx_cmd_buffer *rxb,
1054                                   struct iwl_device_cmd *cmd);
1055 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1056                           struct iwl_device_cmd *cmd);
1057 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1058                                 struct iwl_rx_cmd_buffer *rxb,
1059                                 struct iwl_device_cmd *cmd);
1060 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1061                          struct iwl_device_cmd *cmd);
1062 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1063                             struct iwl_device_cmd *cmd);
1064 int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1065                                     struct iwl_rx_cmd_buffer *rxb,
1066                                     struct iwl_device_cmd *cmd);
1067
1068 /* MVM PHY */
1069 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1070                          struct cfg80211_chan_def *chandef,
1071                          u8 chains_static, u8 chains_dynamic);
1072 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1073                              struct cfg80211_chan_def *chandef,
1074                              u8 chains_static, u8 chains_dynamic);
1075 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1076                           struct iwl_mvm_phy_ctxt *ctxt);
1077 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1078                             struct iwl_mvm_phy_ctxt *ctxt);
1079 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1080 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1081 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1082
1083 /* MAC (virtual interface) programming */
1084 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1085 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1086 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1087 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1088                              bool force_assoc_off, const u8 *bssid_override);
1089 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1090 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1091 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1092                                     struct ieee80211_vif *vif);
1093 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1094                             struct iwl_rx_cmd_buffer *rxb,
1095                             struct iwl_device_cmd *cmd);
1096 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1097                                     struct iwl_rx_cmd_buffer *rxb,
1098                                     struct iwl_device_cmd *cmd);
1099 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1100                                     struct ieee80211_vif *vif);
1101 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1102                                          struct ieee80211_vif *exclude_vif);
1103
1104 /* Bindings */
1105 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1106 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1107
1108 /* Quota management */
1109 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
1110                           struct ieee80211_vif *disabled_vif);
1111
1112 /* Scanning */
1113 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1114 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1115 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1116
1117 /* Scheduled scan */
1118 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1119                                            struct iwl_rx_cmd_buffer *rxb,
1120                                            struct iwl_device_cmd *cmd);
1121 int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1122                                                 struct iwl_rx_cmd_buffer *rxb,
1123                                                 struct iwl_device_cmd *cmd);
1124 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1125                                        struct cfg80211_sched_scan_request *req);
1126 int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
1127                                struct ieee80211_vif *vif,
1128                                struct cfg80211_sched_scan_request *req,
1129                                struct ieee80211_scan_ies *ies);
1130 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1131 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1132                                     struct iwl_rx_cmd_buffer *rxb,
1133                                     struct iwl_device_cmd *cmd);
1134
1135 /* Unified scan */
1136 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
1137                               struct ieee80211_vif *vif,
1138                               struct ieee80211_scan_request *req);
1139 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
1140                                     struct ieee80211_vif *vif,
1141                                     struct cfg80211_sched_scan_request *req,
1142                                     struct ieee80211_scan_ies *ies);
1143
1144 /* UMAC scan */
1145 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1146 int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1147                       struct ieee80211_scan_request *req);
1148 int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1149                             struct cfg80211_sched_scan_request *req,
1150                             struct ieee80211_scan_ies *ies);
1151 int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1152                                         struct iwl_rx_cmd_buffer *rxb,
1153                                         struct iwl_device_cmd *cmd);
1154
1155 /* MVM debugfs */
1156 #ifdef CONFIG_IWLWIFI_DEBUGFS
1157 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1158 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1159 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1160 #else
1161 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1162                                          struct dentry *dbgfs_dir)
1163 {
1164         return 0;
1165 }
1166 static inline void
1167 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1168 {
1169 }
1170 static inline void
1171 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1172 {
1173 }
1174 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1175
1176 /* rate scaling */
1177 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1178 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1179 int rs_pretty_print_rate(char *buf, const u32 rate);
1180 void rs_update_last_rssi(struct iwl_mvm *mvm,
1181                          struct iwl_lq_sta *lq_sta,
1182                          struct ieee80211_rx_status *rx_status);
1183
1184 /* power management */
1185 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1186 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1187 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1188 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1189                                  char *buf, int bufsz);
1190
1191 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1192 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1193                                              struct iwl_rx_cmd_buffer *rxb,
1194                                              struct iwl_device_cmd *cmd);
1195
1196 #ifdef CONFIG_IWLWIFI_LEDS
1197 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1198 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1199 #else
1200 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1201 {
1202         return 0;
1203 }
1204 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1205 {
1206 }
1207 #endif
1208
1209 /* D3 (WoWLAN, NetDetect) */
1210 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1211 int iwl_mvm_resume(struct ieee80211_hw *hw);
1212 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1213 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1214                             struct ieee80211_vif *vif,
1215                             struct cfg80211_gtk_rekey_data *data);
1216 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1217                               struct ieee80211_vif *vif,
1218                               struct inet6_dev *idev);
1219 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1220                                      struct ieee80211_vif *vif, int idx);
1221 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1222 #ifdef CONFIG_PM_SLEEP
1223 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1224                                  struct ieee80211_vif *vif);
1225 #else
1226 static inline void
1227 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1228 {
1229 }
1230 #endif
1231 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1232                                 struct iwl_wowlan_config_cmd *cmd);
1233 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1234                                struct ieee80211_vif *vif,
1235                                bool disable_offloading,
1236                                u32 cmd_flags);
1237
1238 /* D0i3 */
1239 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1240 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1241 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1242 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1243 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1244 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1245 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1246 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1247
1248 /* BT Coex */
1249 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1250 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1251                              struct iwl_rx_cmd_buffer *rxb,
1252                              struct iwl_device_cmd *cmd);
1253 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1254                            enum ieee80211_rssi_event_data);
1255 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1256 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1257                                 struct ieee80211_sta *sta);
1258 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1259                                      struct ieee80211_sta *sta);
1260 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1261 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1262 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1263                                     enum ieee80211_band band);
1264 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1265                            struct ieee80211_tx_info *info, u8 ac);
1266
1267 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1268 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1269 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1270 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1271                                  struct iwl_rx_cmd_buffer *rxb,
1272                                  struct iwl_device_cmd *cmd);
1273 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1274                                enum ieee80211_rssi_event_data);
1275 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1276                                     struct ieee80211_sta *sta);
1277 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1278                                          struct ieee80211_sta *sta);
1279 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1280                                         enum ieee80211_band band);
1281 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1282                                       struct iwl_rx_cmd_buffer *rxb,
1283                                       struct iwl_device_cmd *cmd);
1284
1285 enum iwl_bt_kill_msk {
1286         BT_KILL_MSK_DEFAULT,
1287         BT_KILL_MSK_NEVER,
1288         BT_KILL_MSK_ALWAYS,
1289         BT_KILL_MSK_MAX,
1290 };
1291
1292 extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1293 extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1294 extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX];
1295
1296 /* beacon filtering */
1297 #ifdef CONFIG_IWLWIFI_DEBUGFS
1298 void
1299 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1300                                          struct iwl_beacon_filter_cmd *cmd);
1301 #else
1302 static inline void
1303 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1304                                          struct iwl_beacon_filter_cmd *cmd)
1305 {}
1306 #endif
1307 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1308                                    struct ieee80211_vif *vif,
1309                                    bool enable, u32 flags);
1310 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1311                                  struct ieee80211_vif *vif,
1312                                  u32 flags);
1313 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1314                                   struct ieee80211_vif *vif,
1315                                   u32 flags);
1316 /* SMPS */
1317 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1318                                 enum iwl_mvm_smps_type_request req_type,
1319                                 enum ieee80211_smps_mode smps_request);
1320 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1321
1322 /* Low latency */
1323 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1324                                bool value);
1325 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1326 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1327 /* get VMACLowLatencyMode */
1328 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1329 {
1330         /*
1331          * should this consider associated/active/... state?
1332          *
1333          * Normally low-latency should only be active on interfaces
1334          * that are active, but at least with debugfs it can also be
1335          * enabled on interfaces that aren't active. However, when
1336          * interface aren't active then they aren't added into the
1337          * binding, so this has no real impact. For now, just return
1338          * the current desired low-latency state.
1339          */
1340
1341         return mvmvif->low_latency;
1342 }
1343
1344 /* hw scheduler queue config */
1345 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1346                         const struct iwl_trans_txq_scd_cfg *cfg,
1347                         unsigned int wdg_timeout);
1348 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1349
1350 static inline
1351 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1352                            u8 fifo, unsigned int wdg_timeout)
1353 {
1354         struct iwl_trans_txq_scd_cfg cfg = {
1355                 .fifo = fifo,
1356                 .tid = IWL_MAX_TID_COUNT,
1357                 .aggregate = false,
1358                 .frame_limit = IWL_FRAME_LIMIT,
1359         };
1360
1361         iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1362 }
1363
1364 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1365                                           int fifo, int sta_id, int tid,
1366                                           int frame_limit, u16 ssn,
1367                                           unsigned int wdg_timeout)
1368 {
1369         struct iwl_trans_txq_scd_cfg cfg = {
1370                 .fifo = fifo,
1371                 .sta_id = sta_id,
1372                 .tid = tid,
1373                 .frame_limit = frame_limit,
1374                 .aggregate = true,
1375         };
1376
1377         iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1378 }
1379
1380 /* Thermal management and CT-kill */
1381 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1382 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1383 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1384                        struct iwl_rx_cmd_buffer *rxb,
1385                        struct iwl_device_cmd *cmd);
1386 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1387 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1388 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1389 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1390 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1391
1392 /* smart fifo */
1393 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1394                       bool added_vif);
1395
1396 /* TDLS */
1397
1398 /*
1399  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1400  * This TID is marked as used vs the AP and all connected TDLS peers.
1401  */
1402 #define IWL_MVM_TDLS_FW_TID 4
1403
1404 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1405 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1406 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1407                                bool sta_added);
1408 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1409                                            struct ieee80211_vif *vif);
1410 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1411                                 struct ieee80211_vif *vif,
1412                                 struct ieee80211_sta *sta, u8 oper_class,
1413                                 struct cfg80211_chan_def *chandef,
1414                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1415 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1416                                       struct ieee80211_vif *vif,
1417                                       struct ieee80211_tdls_ch_sw_params *params);
1418 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1419                                         struct ieee80211_vif *vif,
1420                                         struct ieee80211_sta *sta);
1421 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1422                           struct iwl_device_cmd *cmd);
1423 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1424
1425 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1426
1427 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1428 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1429
1430 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1431 int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1432                            const char *str, size_t len, unsigned int delay);
1433 int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1434                                 struct iwl_mvm_dump_desc *desc,
1435                                 unsigned int delay);
1436 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1437 int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1438                                 struct iwl_fw_dbg_trigger_tlv *trigger,
1439                                 const char *str, size_t len);
1440
1441 static inline bool
1442 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1443                              struct ieee80211_vif *vif)
1444 {
1445         u32 trig_vif = le32_to_cpu(trig->vif_type);
1446
1447         return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1448 }
1449
1450 static inline bool
1451 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1452                                    struct iwl_fw_dbg_trigger_tlv *trig)
1453 {
1454         return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1455                 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
1456                 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1457 }
1458
1459 static inline bool
1460 iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1461                               struct ieee80211_vif *vif,
1462                               struct iwl_fw_dbg_trigger_tlv *trig)
1463 {
1464         if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1465                 return false;
1466
1467         return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1468 }
1469
1470 static inline void
1471 iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1472                                struct ieee80211_vif *vif,
1473                                enum iwl_fw_dbg_trigger trig,
1474                                const char *str, size_t len)
1475 {
1476         struct iwl_fw_dbg_trigger_tlv *trigger;
1477
1478         if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
1479                 return;
1480
1481         trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
1482         if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1483                 return;
1484
1485         iwl_mvm_fw_dbg_collect_trig(mvm, trigger, str, len);
1486 }
1487
1488 #endif /* __IWL_MVM_H__ */