1 /******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
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24 * USA
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30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
32 *
33 * BSD LICENSE
34 *
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
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66 *****************************************************************************/
67
68 #ifndef __IWL_MVM_H__
69 #define __IWL_MVM_H__
70
71 #include <linux/list.h>
72 #include <linux/spinlock.h>
73 #include <linux/leds.h>
74 #include <linux/in6.h>
75
76 #ifdef CONFIG_THERMAL
77 #include <linux/thermal.h>
78 #endif
79
80 #include "iwl-op-mode.h"
81 #include "iwl-trans.h"
82 #include "fw/notif-wait.h"
83 #include "iwl-eeprom-parse.h"
84 #include "fw/file.h"
85 #include "iwl-config.h"
86 #include "sta.h"
87 #include "fw-api.h"
88 #include "constants.h"
89 #include "tof.h"
90 #include "fw/runtime.h"
91 #include "fw/dbg.h"
92
93 #define IWL_MVM_MAX_ADDRESSES 5
94 /* RSSI offset for WkP */
95 #define IWL_RSSI_OFFSET 50
96 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
97 /* A TimeUnit is 1024 microsecond */
98 #define MSEC_TO_TU(_msec) (_msec*1000/1024)
99
100 /* For GO, this value represents the number of TUs before CSA "beacon
101 * 0" TBTT when the CSA time-event needs to be scheduled to start. It
102 * must be big enough to ensure that we switch in time.
103 */
104 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO 40
105
106 /* For client, this value represents the number of TUs before CSA
107 * "beacon 1" TBTT, instead. This is because we don't know when the
108 * GO/AP will be in the new channel, so we switch early enough.
109 */
110 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT 10
111
112 /*
113 * This value (in TUs) is used to fine tune the CSA NoA end time which should
114 * be just before "beacon 0" TBTT.
115 */
116 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
117
118 /*
119 * Number of beacons to transmit on a new channel until we unblock tx to
120 * the stations, even if we didn't identify them on a new channel
121 */
122 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
123
124 /* offchannel queue towards mac80211 */
125 #define IWL_MVM_OFFCHANNEL_QUEUE 0
126
127 extern const struct ieee80211_ops iwl_mvm_hw_ops;
128
129 /**
130 * struct iwl_mvm_mod_params - module parameters for iwlmvm
131 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
132 * We will register to mac80211 to have testmode working. The NIC must not
133 * be up'ed after the INIT fw asserted. This is useful to be able to use
134 * proprietary tools over testmode to debug the INIT fw.
135 * @tfd_q_hang_detect: enabled the detection of hung transmit queues
136 * @power_scheme: one of enum iwl_power_scheme
137 */
138 struct iwl_mvm_mod_params {
139 bool init_dbg;
140 bool tfd_q_hang_detect;
141 int power_scheme;
142 };
143 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
144
145 struct iwl_mvm_phy_ctxt {
146 u16 id;
147 u16 color;
148 u32 ref;
149
150 /*
151 * TODO: This should probably be removed. Currently here only for rate
152 * scaling algorithm
153 */
154 struct ieee80211_channel *channel;
155 };
156
157 struct iwl_mvm_time_event_data {
158 struct ieee80211_vif *vif;
159 struct list_head list;
160 unsigned long end_jiffies;
161 u32 duration;
162 bool running;
163 u32 uid;
164
165 /*
166 * The access to the 'id' field must be done when the
167 * mvm->time_event_lock is held, as it value is used to indicate
168 * if the te is in the time event list or not (when id == TE_MAX)
169 */
170 u32 id;
171 };
172
173 /* Power management */
174
175 /**
176 * enum iwl_power_scheme
177 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
178 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
179 * @IWL_POWER_LEVEL_LP - Low Power
180 */
181 enum iwl_power_scheme {
182 IWL_POWER_SCHEME_CAM = 1,
183 IWL_POWER_SCHEME_BPS,
184 IWL_POWER_SCHEME_LP
185 };
186
187 #define IWL_CONN_MAX_LISTEN_INTERVAL 10
188 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
189
190 #ifdef CONFIG_IWLWIFI_DEBUGFS
191 enum iwl_dbgfs_pm_mask {
192 MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
193 MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
194 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
195 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
196 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
197 MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
198 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
199 MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
200 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
201 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
202 };
203
204 struct iwl_dbgfs_pm {
205 u16 keep_alive_seconds;
206 u32 rx_data_timeout;
207 u32 tx_data_timeout;
208 bool skip_over_dtim;
209 u8 skip_dtim_periods;
210 bool lprx_ena;
211 u32 lprx_rssi_threshold;
212 bool snooze_ena;
213 bool uapsd_misbehaving;
214 bool use_ps_poll;
215 int mask;
216 };
217
218 /* beacon filtering */
219
220 enum iwl_dbgfs_bf_mask {
221 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
222 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
223 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
224 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
225 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
226 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
227 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
228 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
229 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
230 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
231 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
232 };
233
234 struct iwl_dbgfs_bf {
235 u32 bf_energy_delta;
236 u32 bf_roaming_energy_delta;
237 u32 bf_roaming_state;
238 u32 bf_temp_threshold;
239 u32 bf_temp_fast_filter;
240 u32 bf_temp_slow_filter;
241 u32 bf_enable_beacon_filter;
242 u32 bf_debug_flag;
243 u32 bf_escape_timer;
244 u32 ba_escape_timer;
245 u32 ba_enable_beacon_abort;
246 int mask;
247 };
248 #endif
249
250 enum iwl_mvm_smps_type_request {
251 IWL_MVM_SMPS_REQ_BT_COEX,
252 IWL_MVM_SMPS_REQ_TT,
253 IWL_MVM_SMPS_REQ_PROT,
254 NUM_IWL_MVM_SMPS_REQ,
255 };
256
257 enum iwl_mvm_ref_type {
258 IWL_MVM_REF_UCODE_DOWN,
259 IWL_MVM_REF_SCAN,
260 IWL_MVM_REF_ROC,
261 IWL_MVM_REF_ROC_AUX,
262 IWL_MVM_REF_P2P_CLIENT,
263 IWL_MVM_REF_AP_IBSS,
264 IWL_MVM_REF_USER,
265 IWL_MVM_REF_TX,
266 IWL_MVM_REF_TX_AGG,
267 IWL_MVM_REF_ADD_IF,
268 IWL_MVM_REF_START_AP,
269 IWL_MVM_REF_BSS_CHANGED,
270 IWL_MVM_REF_PREPARE_TX,
271 IWL_MVM_REF_PROTECT_TDLS,
272 IWL_MVM_REF_CHECK_CTKILL,
273 IWL_MVM_REF_PRPH_READ,
274 IWL_MVM_REF_PRPH_WRITE,
275 IWL_MVM_REF_NMI,
276 IWL_MVM_REF_TM_CMD,
277 IWL_MVM_REF_EXIT_WORK,
278 IWL_MVM_REF_PROTECT_CSA,
279 IWL_MVM_REF_FW_DBG_COLLECT,
280 IWL_MVM_REF_INIT_UCODE,
281 IWL_MVM_REF_SENDING_CMD,
282 IWL_MVM_REF_RX,
283
284 /* update debugfs.c when changing this */
285
286 IWL_MVM_REF_COUNT,
287 };
288
289 enum iwl_bt_force_ant_mode {
290 BT_FORCE_ANT_DIS = 0,
291 BT_FORCE_ANT_AUTO,
292 BT_FORCE_ANT_BT,
293 BT_FORCE_ANT_WIFI,
294
295 BT_FORCE_ANT_MAX,
296 };
297
298 /**
299 * struct iwl_mvm_vif_bf_data - beacon filtering related data
300 * @bf_enabled: indicates if beacon filtering is enabled
301 * @ba_enabled: indicated if beacon abort is enabled
302 * @ave_beacon_signal: average beacon signal
303 * @last_cqm_event: rssi of the last cqm event
304 * @bt_coex_min_thold: minimum threshold for BT coex
305 * @bt_coex_max_thold: maximum threshold for BT coex
306 * @last_bt_coex_event: rssi of the last BT coex event
307 */
308 struct iwl_mvm_vif_bf_data {
309 bool bf_enabled;
310 bool ba_enabled;
311 int ave_beacon_signal;
312 int last_cqm_event;
313 int bt_coex_min_thold;
314 int bt_coex_max_thold;
315 int last_bt_coex_event;
316 };
317
318 /**
319 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
320 * @id: between 0 and 3
321 * @color: to solve races upon MAC addition and removal
322 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
323 * @bssid: BSSID for this (client) interface
324 * @associated: indicates that we're currently associated, used only for
325 * managing the firmware state in iwl_mvm_bss_info_changed_station()
326 * @ap_assoc_sta_count: count of stations associated to us - valid only
327 * if VIF type is AP
328 * @uploaded: indicates the MAC context has been added to the device
329 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
330 * should get quota etc.
331 * @pm_enabled - Indicate if MAC power management is allowed
332 * @monitor_active: indicates that monitor context is configured, and that the
333 * interface should get quota etc.
334 * @low_latency_traffic: indicates low latency traffic was detected
335 * @low_latency_dbgfs: low latency mode set from debugfs
336 * @low_latency_vcmd: low latency mode set from vendor command
337 * @ps_disabled: indicates that this interface requires PS to be disabled
338 * @queue_params: QoS params for this MAC
339 * @bcast_sta: station used for broadcast packets. Used by the following
340 * vifs: P2P_DEVICE, GO and AP.
341 * @beacon_skb: the skb used to hold the AP/GO beacon template
342 * @smps_requests: the SMPS requests of different parts of the driver,
343 * combined on update to yield the overall request to mac80211.
344 * @beacon_stats: beacon statistics, containing the # of received beacons,
345 * # of received beacons accumulated over FW restart, and the current
346 * average signal of beacons retrieved from the firmware
347 * @csa_failed: CSA failed to schedule time event, report an error later
348 * @features: hw features active for this vif
349 */
350 struct iwl_mvm_vif {
351 struct iwl_mvm *mvm;
352 u16 id;
353 u16 color;
354 u8 ap_sta_id;
355
356 u8 bssid[ETH_ALEN];
357 bool associated;
358 u8 ap_assoc_sta_count;
359
360 u16 cab_queue;
361
362 bool uploaded;
363 bool ap_ibss_active;
364 bool pm_enabled;
365 bool monitor_active;
366 bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd;
367 bool ps_disabled;
368 struct iwl_mvm_vif_bf_data bf_data;
369
370 struct {
371 u32 num_beacons, accu_num_beacons;
372 u8 avg_signal;
373 } beacon_stats;
374
375 u32 ap_beacon_time;
376
377 enum iwl_tsf_id tsf_id;
378
379 /*
380 * QoS data from mac80211, need to store this here
381 * as mac80211 has a separate callback but we need
382 * to have the data for the MAC context
383 */
384 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
385 struct iwl_mvm_time_event_data time_event_data;
386 struct iwl_mvm_time_event_data hs_time_event_data;
387
388 struct iwl_mvm_int_sta bcast_sta;
389 struct iwl_mvm_int_sta mcast_sta;
390
391 /*
392 * Assigned while mac80211 has the interface in a channel context,
393 * or, for P2P Device, while it exists.
394 */
395 struct iwl_mvm_phy_ctxt *phy_ctxt;
396
397 #ifdef CONFIG_PM
398 /* WoWLAN GTK rekey data */
399 struct {
400 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
401 __le64 replay_ctr;
402 bool valid;
403 } rekey_data;
404
405 int tx_key_idx;
406
407 bool seqno_valid;
408 u16 seqno;
409 #endif
410
411 #if IS_ENABLED(CONFIG_IPV6)
412 /* IPv6 addresses for WoWLAN */
413 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
414 unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
415 int num_target_ipv6_addrs;
416 #endif
417
418 #ifdef CONFIG_IWLWIFI_DEBUGFS
419 struct dentry *dbgfs_dir;
420 struct dentry *dbgfs_slink;
421 struct iwl_dbgfs_pm dbgfs_pm;
422 struct iwl_dbgfs_bf dbgfs_bf;
423 struct iwl_mac_power_cmd mac_pwr_cmd;
424 int dbgfs_quota_min;
425 #endif
426
427 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
428
429 /* FW identified misbehaving AP */
430 u8 uapsd_misbehaving_bssid[ETH_ALEN];
431
432 /* Indicates that CSA countdown may be started */
433 bool csa_countdown;
434 bool csa_failed;
435 u16 csa_target_freq;
436
437 /* Indicates that we are waiting for a beacon on a new channel */
438 bool csa_bcn_pending;
439
440 /* TCP Checksum Offload */
441 netdev_features_t features;
442
443 /*
444 * link quality measurement - used to check whether this interface
445 * is in the middle of a link quality measurement
446 */
447 bool lqm_active;
448 };
449
450 static inline struct iwl_mvm_vif *
iwl_mvm_vif_from_mac80211(struct ieee80211_vif * vif)451 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
452 {
453 if (!vif)
454 return NULL;
455 return (void *)vif->drv_priv;
456 }
457
458 extern const u8 tid_to_mac80211_ac[];
459
460 #define IWL_MVM_SCAN_STOPPING_SHIFT 8
461
462 enum iwl_scan_status {
463 IWL_MVM_SCAN_REGULAR = BIT(0),
464 IWL_MVM_SCAN_SCHED = BIT(1),
465 IWL_MVM_SCAN_NETDETECT = BIT(2),
466
467 IWL_MVM_SCAN_STOPPING_REGULAR = BIT(8),
468 IWL_MVM_SCAN_STOPPING_SCHED = BIT(9),
469 IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
470
471 IWL_MVM_SCAN_REGULAR_MASK = IWL_MVM_SCAN_REGULAR |
472 IWL_MVM_SCAN_STOPPING_REGULAR,
473 IWL_MVM_SCAN_SCHED_MASK = IWL_MVM_SCAN_SCHED |
474 IWL_MVM_SCAN_STOPPING_SCHED,
475 IWL_MVM_SCAN_NETDETECT_MASK = IWL_MVM_SCAN_NETDETECT |
476 IWL_MVM_SCAN_STOPPING_NETDETECT,
477
478 IWL_MVM_SCAN_STOPPING_MASK = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
479 IWL_MVM_SCAN_MASK = 0xff,
480 };
481
482 enum iwl_mvm_scan_type {
483 IWL_SCAN_TYPE_NOT_SET,
484 IWL_SCAN_TYPE_UNASSOC,
485 IWL_SCAN_TYPE_WILD,
486 IWL_SCAN_TYPE_MILD,
487 IWL_SCAN_TYPE_FRAGMENTED,
488 };
489
490 enum iwl_mvm_sched_scan_pass_all_states {
491 SCHED_SCAN_PASS_ALL_DISABLED,
492 SCHED_SCAN_PASS_ALL_ENABLED,
493 SCHED_SCAN_PASS_ALL_FOUND,
494 };
495
496 /**
497 * struct iwl_nvm_section - describes an NVM section in memory.
498 *
499 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
500 * and saved for later use by the driver. Not all NVM sections are saved
501 * this way, only the needed ones.
502 */
503 struct iwl_nvm_section {
504 u16 length;
505 const u8 *data;
506 };
507
508 /**
509 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
510 * @ct_kill_exit: worker to exit thermal kill
511 * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
512 * @tx_backoff: The current thremal throttling tx backoff in uSec.
513 * @min_backoff: The minimal tx backoff due to power restrictions
514 * @params: Parameters to configure the thermal throttling algorithm.
515 * @throttle: Is thermal throttling is active?
516 */
517 struct iwl_mvm_tt_mgmt {
518 struct delayed_work ct_kill_exit;
519 bool dynamic_smps;
520 u32 tx_backoff;
521 u32 min_backoff;
522 struct iwl_tt_params params;
523 bool throttle;
524 };
525
526 #ifdef CONFIG_THERMAL
527 /**
528 *struct iwl_mvm_thermal_device - thermal zone related data
529 * @temp_trips: temperature thresholds for report
530 * @fw_trips_index: keep indexes to original array - temp_trips
531 * @tzone: thermal zone device data
532 */
533 struct iwl_mvm_thermal_device {
534 s16 temp_trips[IWL_MAX_DTS_TRIPS];
535 u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
536 struct thermal_zone_device *tzone;
537 };
538
539 /*
540 * struct iwl_mvm_cooling_device
541 * @cur_state: current state
542 * @cdev: struct thermal cooling device
543 */
544 struct iwl_mvm_cooling_device {
545 u32 cur_state;
546 struct thermal_cooling_device *cdev;
547 };
548 #endif
549
550 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
551
552 struct iwl_mvm_frame_stats {
553 u32 legacy_frames;
554 u32 ht_frames;
555 u32 vht_frames;
556 u32 bw_20_frames;
557 u32 bw_40_frames;
558 u32 bw_80_frames;
559 u32 bw_160_frames;
560 u32 sgi_frames;
561 u32 ngi_frames;
562 u32 siso_frames;
563 u32 mimo2_frames;
564 u32 agg_frames;
565 u32 ampdu_count;
566 u32 success_frames;
567 u32 fail_frames;
568 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
569 int last_frame_idx;
570 };
571
572 enum {
573 D0I3_DEFER_WAKEUP,
574 D0I3_PENDING_WAKEUP,
575 };
576
577 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
578 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
579 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
580
581 enum iwl_mvm_tdls_cs_state {
582 IWL_MVM_TDLS_SW_IDLE = 0,
583 IWL_MVM_TDLS_SW_REQ_SENT,
584 IWL_MVM_TDLS_SW_RESP_RCVD,
585 IWL_MVM_TDLS_SW_REQ_RCVD,
586 IWL_MVM_TDLS_SW_ACTIVE,
587 };
588
589 /**
590 * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer
591 * @head_sn: reorder window head sn
592 * @num_stored: number of mpdus stored in the buffer
593 * @buf_size: the reorder buffer size as set by the last addba request
594 * @sta_id: sta id of this reorder buffer
595 * @queue: queue of this reorder buffer
596 * @last_amsdu: track last ASMDU SN for duplication detection
597 * @last_sub_index: track ASMDU sub frame index for duplication detection
598 * @entries: list of skbs stored
599 * @reorder_time: time the packet was stored in the reorder buffer
600 * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU
601 * it is the time of last received sub-frame
602 * @removed: prevent timer re-arming
603 * @valid: reordering is valid for this queue
604 * @lock: protect reorder buffer internal state
605 * @mvm: mvm pointer, needed for frame timer context
606 */
607 struct iwl_mvm_reorder_buffer {
608 u16 head_sn;
609 u16 num_stored;
610 u8 buf_size;
611 u8 sta_id;
612 int queue;
613 u16 last_amsdu;
614 u8 last_sub_index;
615 struct sk_buff_head entries[IEEE80211_MAX_AMPDU_BUF];
616 unsigned long reorder_time[IEEE80211_MAX_AMPDU_BUF];
617 struct timer_list reorder_timer;
618 bool removed;
619 bool valid;
620 spinlock_t lock;
621 struct iwl_mvm *mvm;
622 } ____cacheline_aligned_in_smp;
623
624 /**
625 * struct iwl_mvm_baid_data - BA session data
626 * @sta_id: station id
627 * @tid: tid of the session
628 * @baid baid of the session
629 * @timeout: the timeout set in the addba request
630 * @last_rx: last rx jiffies, updated only if timeout passed from last update
631 * @session_timer: timer to check if BA session expired, runs at 2 * timeout
632 * @mvm: mvm pointer, needed for timer context
633 * @reorder_buf: reorder buffer, allocated per queue
634 */
635 struct iwl_mvm_baid_data {
636 struct rcu_head rcu_head;
637 u8 sta_id;
638 u8 tid;
639 u8 baid;
640 u16 timeout;
641 unsigned long last_rx;
642 struct timer_list session_timer;
643 struct iwl_mvm *mvm;
644 struct iwl_mvm_reorder_buffer reorder_buf[];
645 };
646
647 /*
648 * enum iwl_mvm_queue_status - queue status
649 * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved
650 * Basically, this means that this queue can be used for any purpose
651 * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use
652 * This is the state of a queue that has been dedicated for some RATID
653 * (agg'd or not), but that hasn't yet gone through the actual enablement
654 * of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet.
655 * Note that in this state there is no requirement to already know what TID
656 * should be used with this queue, it is just marked as a queue that will
657 * be used, and shouldn't be allocated to anyone else.
658 * @IWL_MVM_QUEUE_READY: queue is ready to be used
659 * This is the state of a queue that has been fully configured (including
660 * SCD pointers, etc), has a specific RA/TID assigned to it, and can be
661 * used to send traffic.
662 * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared
663 * This is a state in which a single queue serves more than one TID, all of
664 * which are not aggregated. Note that the queue is only associated to one
665 * RA.
666 * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it
667 * This is a state of a queue that has had traffic on it, but during the
668 * last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on
669 * it. In this state, when a new queue is needed to be allocated but no
670 * such free queue exists, an inactive queue might be freed and given to
671 * the new RA/TID.
672 * @IWL_MVM_QUEUE_RECONFIGURING: queue is being reconfigured
673 * This is the state of a queue that has had traffic pass through it, but
674 * needs to be reconfigured for some reason, e.g. the queue needs to
675 * become unshared and aggregations re-enabled on.
676 */
677 enum iwl_mvm_queue_status {
678 IWL_MVM_QUEUE_FREE,
679 IWL_MVM_QUEUE_RESERVED,
680 IWL_MVM_QUEUE_READY,
681 IWL_MVM_QUEUE_SHARED,
682 IWL_MVM_QUEUE_INACTIVE,
683 IWL_MVM_QUEUE_RECONFIGURING,
684 };
685
686 #define IWL_MVM_DQA_QUEUE_TIMEOUT (5 * HZ)
687 #define IWL_MVM_INVALID_QUEUE 0xFFFF
688
689 #define IWL_MVM_NUM_CIPHERS 10
690
691 #ifdef CONFIG_ACPI
692 #define IWL_MVM_SAR_TABLE_SIZE 10
693 #define IWL_MVM_SAR_PROFILE_NUM 4
694 #define IWL_MVM_GEO_TABLE_SIZE 6
695
696 struct iwl_mvm_sar_profile {
697 bool enabled;
698 u8 table[IWL_MVM_SAR_TABLE_SIZE];
699 };
700
701 struct iwl_mvm_geo_profile {
702 u8 values[IWL_MVM_GEO_TABLE_SIZE];
703 };
704 #endif
705
706 struct iwl_mvm {
707 /* for logger access */
708 struct device *dev;
709
710 struct iwl_trans *trans;
711 const struct iwl_fw *fw;
712 const struct iwl_cfg *cfg;
713 struct iwl_phy_db *phy_db;
714 struct ieee80211_hw *hw;
715
716 /* for protecting access to iwl_mvm */
717 struct mutex mutex;
718 struct list_head async_handlers_list;
719 spinlock_t async_handlers_lock;
720 struct work_struct async_handlers_wk;
721
722 struct work_struct roc_done_wk;
723
724 unsigned long init_status;
725
726 unsigned long status;
727
728 u32 queue_sync_cookie;
729 atomic_t queue_sync_counter;
730 /*
731 * for beacon filtering -
732 * currently only one interface can be supported
733 */
734 struct iwl_mvm_vif *bf_allowed_vif;
735
736 bool hw_registered;
737 bool calibrating;
738 u32 error_event_table[2];
739 u32 log_event_table;
740 u32 umac_error_event_table;
741 bool support_umac_log;
742 struct iwl_sf_region sf_space;
743
744 u32 ampdu_ref;
745 bool ampdu_toggle;
746
747 struct iwl_notif_wait_data notif_wait;
748
749 union {
750 struct mvm_statistics_rx_v3 rx_stats_v3;
751 struct mvm_statistics_rx rx_stats;
752 };
753
754 struct {
755 u64 rx_time;
756 u64 tx_time;
757 u64 on_time_rf;
758 u64 on_time_scan;
759 } radio_stats, accu_radio_stats;
760
761 u16 hw_queue_to_mac80211[IWL_MAX_TVQM_QUEUES];
762
763 struct {
764 u8 hw_queue_refcount;
765 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */
766 bool reserved; /* Is this the TXQ reserved for a STA */
767 u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */
768 u8 txq_tid; /* The TID "owner" of this queue*/
769 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
770 /* Timestamp for inactivation per TID of this queue */
771 unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1];
772 enum iwl_mvm_queue_status status;
773 } queue_info[IWL_MAX_HW_QUEUES];
774 spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
775 struct work_struct add_stream_wk; /* To add streams to queues */
776
777 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
778
779 const char *nvm_file_name;
780 struct iwl_nvm_data *nvm_data;
781 /* NVM sections */
782 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
783
784 struct iwl_fw_runtime fwrt;
785
786 /* EEPROM MAC addresses */
787 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
788
789 /* data related to data path */
790 struct iwl_rx_phy_info last_phy_info;
791 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
792 unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
793 u8 rx_ba_sessions;
794
795 /* configured by mac80211 */
796 u32 rts_threshold;
797
798 /* Scan status, cmd (pre-allocated) and auxiliary station */
799 unsigned int scan_status;
800 void *scan_cmd;
801 struct iwl_mcast_filter_cmd *mcast_filter_cmd;
802 enum iwl_mvm_scan_type scan_type;
803 enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
804 struct delayed_work scan_timeout_dwork;
805
806 /* max number of simultaneous scans the FW supports */
807 unsigned int max_scans;
808
809 /* UMAC scan tracking */
810 u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
811
812 /* start time of last scan in TSF of the mac that requested the scan */
813 u64 scan_start;
814
815 /* the vif that requested the current scan */
816 struct iwl_mvm_vif *scan_vif;
817
818 /* rx chain antennas set through debugfs for the scan command */
819 u8 scan_rx_ant;
820
821 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
822 /* broadcast filters to configure for each associated station */
823 const struct iwl_fw_bcast_filter *bcast_filters;
824 #ifdef CONFIG_IWLWIFI_DEBUGFS
825 struct {
826 bool override;
827 struct iwl_bcast_filter_cmd cmd;
828 } dbgfs_bcast_filtering;
829 #endif
830 #endif
831
832 /* Internal station */
833 struct iwl_mvm_int_sta aux_sta;
834 struct iwl_mvm_int_sta snif_sta;
835
836 bool last_ebs_successful;
837
838 u8 scan_last_antenna_idx; /* to toggle TX between antennas */
839 u8 mgmt_last_antenna_idx;
840
841 /* last smart fifo state that was successfully sent to firmware */
842 enum iwl_sf_state sf_state;
843
844 #ifdef CONFIG_IWLWIFI_DEBUGFS
845 struct dentry *debugfs_dir;
846 u32 dbgfs_sram_offset, dbgfs_sram_len;
847 u32 dbgfs_prph_reg_addr;
848 bool disable_power_off;
849 bool disable_power_off_d3;
850
851 bool scan_iter_notif_enabled;
852
853 struct debugfs_blob_wrapper nvm_hw_blob;
854 struct debugfs_blob_wrapper nvm_sw_blob;
855 struct debugfs_blob_wrapper nvm_calib_blob;
856 struct debugfs_blob_wrapper nvm_prod_blob;
857 struct debugfs_blob_wrapper nvm_phy_sku_blob;
858
859 struct iwl_mvm_frame_stats drv_rx_stats;
860 spinlock_t drv_stats_lock;
861 u16 dbgfs_rx_phyinfo;
862 #endif
863
864 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
865
866 struct list_head time_event_list;
867 spinlock_t time_event_lock;
868
869 /*
870 * A bitmap indicating the index of the key in use. The firmware
871 * can hold 16 keys at most. Reflect this fact.
872 */
873 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
874 u8 fw_key_deleted[STA_KEY_MAX_NUM];
875
876 /* references taken by the driver and spinlock protecting them */
877 spinlock_t refs_lock;
878 u8 refs[IWL_MVM_REF_COUNT];
879
880 u8 vif_count;
881
882 /* -1 for always, 0 for never, >0 for that many times */
883 s8 fw_restart;
884
885 #ifdef CONFIG_IWLWIFI_LEDS
886 struct led_classdev led;
887 #endif
888
889 struct ieee80211_vif *p2p_device_vif;
890
891 #ifdef CONFIG_PM
892 struct wiphy_wowlan_support wowlan;
893 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
894
895 /* sched scan settings for net detect */
896 struct ieee80211_scan_ies nd_ies;
897 struct cfg80211_match_set *nd_match_sets;
898 int n_nd_match_sets;
899 struct ieee80211_channel **nd_channels;
900 int n_nd_channels;
901 bool net_detect;
902 #ifdef CONFIG_IWLWIFI_DEBUGFS
903 bool d3_wake_sysassert;
904 bool d3_test_active;
905 bool store_d3_resume_sram;
906 void *d3_resume_sram;
907 u32 d3_test_pme_ptr;
908 struct ieee80211_vif *keep_vif;
909 u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
910 #endif
911 #endif
912
913 /* d0i3 */
914 u8 d0i3_ap_sta_id;
915 bool d0i3_offloading;
916 struct work_struct d0i3_exit_work;
917 struct sk_buff_head d0i3_tx;
918 /* protect d0i3_suspend_flags */
919 struct mutex d0i3_suspend_mutex;
920 unsigned long d0i3_suspend_flags;
921 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
922 spinlock_t d0i3_tx_lock;
923 wait_queue_head_t d0i3_exit_waitq;
924 wait_queue_head_t rx_sync_waitq;
925
926 /* BT-Coex */
927 struct iwl_bt_coex_profile_notif last_bt_notif;
928 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
929
930 u8 bt_tx_prio;
931 enum iwl_bt_force_ant_mode bt_force_ant_mode;
932
933 /* Aux ROC */
934 struct list_head aux_roc_te_list;
935
936 /* Thermal Throttling and CTkill */
937 struct iwl_mvm_tt_mgmt thermal_throttle;
938 #ifdef CONFIG_THERMAL
939 struct iwl_mvm_thermal_device tz_device;
940 struct iwl_mvm_cooling_device cooling_dev;
941 #endif
942
943 s32 temperature; /* Celsius */
944 /*
945 * Debug option to set the NIC temperature. This option makes the
946 * driver think this is the actual NIC temperature, and ignore the
947 * real temperature that is received from the fw
948 */
949 bool temperature_test; /* Debug test temperature is enabled */
950
951 struct iwl_time_quota_cmd last_quota_cmd;
952
953 #ifdef CONFIG_NL80211_TESTMODE
954 u32 noa_duration;
955 struct ieee80211_vif *noa_vif;
956 #endif
957
958 /* Tx queues */
959 u16 aux_queue;
960 u16 snif_queue;
961 u16 probe_queue;
962 u16 p2p_dev_queue;
963
964 /* Indicate if device power save is allowed */
965 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
966 unsigned int max_amsdu_len; /* used for debugfs only */
967
968 struct ieee80211_vif __rcu *csa_vif;
969 struct ieee80211_vif __rcu *csa_tx_blocked_vif;
970 u8 csa_tx_block_bcn_timeout;
971
972 /* system time of last beacon (for AP/GO interface) */
973 u32 ap_last_beacon_gp2;
974
975 /* indicates that we transmitted the last beacon */
976 bool ibss_manager;
977
978 bool lar_regdom_set;
979 enum iwl_mcc_source mcc_src;
980
981 /* TDLS channel switch data */
982 struct {
983 struct delayed_work dwork;
984 enum iwl_mvm_tdls_cs_state state;
985
986 /*
987 * Current cs sta - might be different from periodic cs peer
988 * station. Value is meaningless when the cs-state is idle.
989 */
990 u8 cur_sta_id;
991
992 /* TDLS periodic channel-switch peer */
993 struct {
994 u8 sta_id;
995 u8 op_class;
996 bool initiator; /* are we the link initiator */
997 struct cfg80211_chan_def chandef;
998 struct sk_buff *skb; /* ch sw template */
999 u32 ch_sw_tm_ie;
1000
1001 /* timestamp of last ch-sw request sent (GP2 time) */
1002 u32 sent_timestamp;
1003 } peer;
1004 } tdls_cs;
1005
1006
1007 u32 ciphers[IWL_MVM_NUM_CIPHERS];
1008 struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
1009 struct iwl_mvm_tof_data tof_data;
1010
1011 struct ieee80211_vif *nan_vif;
1012 #define IWL_MAX_BAID 32
1013 struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
1014
1015 /*
1016 * Drop beacons from other APs in AP mode when there are no connected
1017 * clients.
1018 */
1019 bool drop_bcn_ap_mode;
1020
1021 struct delayed_work cs_tx_unblock_dwork;
1022
1023 /* does a monitor vif exist (only one can exist hence bool) */
1024 bool monitor_on;
1025 #ifdef CONFIG_ACPI
1026 struct iwl_mvm_sar_profile sar_profiles[IWL_MVM_SAR_PROFILE_NUM];
1027 struct iwl_mvm_geo_profile geo_profiles[IWL_NUM_GEO_PROFILES];
1028 #endif
1029 };
1030
1031 /* Extract MVM priv from op_mode and _hw */
1032 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \
1033 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
1034
1035 #define IWL_MAC80211_GET_MVM(_hw) \
1036 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
1037
1038 /**
1039 * enum iwl_mvm_status - MVM status bits
1040 * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted
1041 * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active
1042 * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running
1043 * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested
1044 * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active
1045 * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3
1046 * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running
1047 * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done
1048 * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running
1049 * @IWL_MVM_STATUS_NEED_FLUSH_P2P: need to flush P2P bcast STA
1050 */
1051 enum iwl_mvm_status {
1052 IWL_MVM_STATUS_HW_RFKILL,
1053 IWL_MVM_STATUS_HW_CTKILL,
1054 IWL_MVM_STATUS_ROC_RUNNING,
1055 IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1056 IWL_MVM_STATUS_IN_HW_RESTART,
1057 IWL_MVM_STATUS_IN_D0I3,
1058 IWL_MVM_STATUS_ROC_AUX_RUNNING,
1059 IWL_MVM_STATUS_D3_RECONFIG,
1060 IWL_MVM_STATUS_FIRMWARE_RUNNING,
1061 IWL_MVM_STATUS_NEED_FLUSH_P2P,
1062 };
1063
1064 /* Keep track of completed init configuration */
1065 enum iwl_mvm_init_status {
1066 IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0),
1067 IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1),
1068 IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2),
1069 IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3),
1070 };
1071
iwl_mvm_is_radio_killed(struct iwl_mvm * mvm)1072 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
1073 {
1074 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
1075 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1076 }
1077
iwl_mvm_is_radio_hw_killed(struct iwl_mvm * mvm)1078 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
1079 {
1080 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1081 }
1082
iwl_mvm_firmware_running(struct iwl_mvm * mvm)1083 static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm)
1084 {
1085 return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1086 }
1087
1088 /* Must be called with rcu_read_lock() held and it can only be
1089 * released when mvmsta is not needed anymore.
1090 */
1091 static inline struct iwl_mvm_sta *
iwl_mvm_sta_from_staid_rcu(struct iwl_mvm * mvm,u8 sta_id)1092 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
1093 {
1094 struct ieee80211_sta *sta;
1095
1096 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1097 return NULL;
1098
1099 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1100
1101 /* This can happen if the station has been removed right now */
1102 if (IS_ERR_OR_NULL(sta))
1103 return NULL;
1104
1105 return iwl_mvm_sta_from_mac80211(sta);
1106 }
1107
1108 static inline struct iwl_mvm_sta *
iwl_mvm_sta_from_staid_protected(struct iwl_mvm * mvm,u8 sta_id)1109 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
1110 {
1111 struct ieee80211_sta *sta;
1112
1113 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1114 return NULL;
1115
1116 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
1117 lockdep_is_held(&mvm->mutex));
1118
1119 /* This can happen if the station has been removed right now */
1120 if (IS_ERR_OR_NULL(sta))
1121 return NULL;
1122
1123 return iwl_mvm_sta_from_mac80211(sta);
1124 }
1125
iwl_mvm_is_d0i3_supported(struct iwl_mvm * mvm)1126 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
1127 {
1128 return !iwlwifi_mod_params.d0i3_disable &&
1129 fw_has_capa(&mvm->fw->ucode_capa,
1130 IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
1131 }
1132
iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm * mvm)1133 static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm)
1134 {
1135 return fw_has_api(&mvm->fw->ucode_capa,
1136 IWL_UCODE_TLV_API_ADAPTIVE_DWELL);
1137 }
1138
iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm * mvm)1139 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
1140 {
1141 /* For now we only use this mode to differentiate between
1142 * slave transports, which handle D0i3 entry in suspend by
1143 * themselves in conjunction with runtime PM D0i3. So, this
1144 * function is used to check whether we need to do anything
1145 * when entering suspend or if the transport layer has already
1146 * done it.
1147 */
1148 return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
1149 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
1150 }
1151
iwl_mvm_is_dqa_data_queue(struct iwl_mvm * mvm,u8 queue)1152 static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue)
1153 {
1154 return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) &&
1155 (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE);
1156 }
1157
iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm * mvm,u8 queue)1158 static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue)
1159 {
1160 return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) &&
1161 (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE);
1162 }
1163
iwl_mvm_is_lar_supported(struct iwl_mvm * mvm)1164 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
1165 {
1166 bool nvm_lar = mvm->nvm_data->lar_enabled;
1167 bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
1168 IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
1169
1170 if (iwlwifi_mod_params.lar_disable)
1171 return false;
1172
1173 /*
1174 * Enable LAR only if it is supported by the FW (TLV) &&
1175 * enabled in the NVM
1176 */
1177 if (mvm->cfg->nvm_type == IWL_NVM_EXT)
1178 return nvm_lar && tlv_lar;
1179 else
1180 return tlv_lar;
1181 }
1182
iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm * mvm)1183 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
1184 {
1185 return fw_has_api(&mvm->fw->ucode_capa,
1186 IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
1187 fw_has_capa(&mvm->fw->ucode_capa,
1188 IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
1189 }
1190
iwl_mvm_bt_is_rrc_supported(struct iwl_mvm * mvm)1191 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
1192 {
1193 return fw_has_capa(&mvm->fw->ucode_capa,
1194 IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
1195 IWL_MVM_BT_COEX_RRC;
1196 }
1197
iwl_mvm_is_csum_supported(struct iwl_mvm * mvm)1198 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
1199 {
1200 return fw_has_capa(&mvm->fw->ucode_capa,
1201 IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) &&
1202 !IWL_MVM_HW_CSUM_DISABLE;
1203 }
1204
iwl_mvm_is_mplut_supported(struct iwl_mvm * mvm)1205 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1206 {
1207 return fw_has_capa(&mvm->fw->ucode_capa,
1208 IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1209 IWL_MVM_BT_COEX_MPLUT;
1210 }
1211
1212 static inline
iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm * mvm)1213 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm)
1214 {
1215 return fw_has_capa(&mvm->fw->ucode_capa,
1216 IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) &&
1217 !(iwlwifi_mod_params.uapsd_disable &
1218 IWL_DISABLE_UAPSD_P2P_CLIENT);
1219 }
1220
iwl_mvm_has_new_rx_api(struct iwl_mvm * mvm)1221 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1222 {
1223 return fw_has_capa(&mvm->fw->ucode_capa,
1224 IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
1225 }
1226
iwl_mvm_has_new_tx_api(struct iwl_mvm * mvm)1227 static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm)
1228 {
1229 /* TODO - replace with TLV once defined */
1230 return mvm->trans->cfg->use_tfh;
1231 }
1232
iwl_mvm_has_unified_ucode(struct iwl_mvm * mvm)1233 static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm)
1234 {
1235 /* TODO - better define this */
1236 return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_A000;
1237 }
1238
iwl_mvm_is_cdb_supported(struct iwl_mvm * mvm)1239 static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm)
1240 {
1241 /*
1242 * TODO:
1243 * The issue of how to determine CDB APIs and usage is still not fully
1244 * defined.
1245 * There is a compilation for CDB and non-CDB FW, but there may
1246 * be also runtime check.
1247 * For now there is a TLV for checking compilation mode, but a
1248 * runtime check will also have to be here - once defined.
1249 */
1250 return fw_has_capa(&mvm->fw->ucode_capa,
1251 IWL_UCODE_TLV_CAPA_CDB_SUPPORT);
1252 }
1253
iwl_mvm_has_new_rx_stats_api(struct iwl_mvm * mvm)1254 static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm)
1255 {
1256 return fw_has_api(&mvm->fw->ucode_capa,
1257 IWL_UCODE_TLV_API_NEW_RX_STATS);
1258 }
1259
iwl_mvm_has_new_ats_coex_api(struct iwl_mvm * mvm)1260 static inline bool iwl_mvm_has_new_ats_coex_api(struct iwl_mvm *mvm)
1261 {
1262 return fw_has_api(&mvm->fw->ucode_capa,
1263 IWL_UCODE_TLV_API_COEX_ATS_EXTERNAL);
1264 }
1265
1266 static inline struct agg_tx_status *
iwl_mvm_get_agg_status(struct iwl_mvm * mvm,void * tx_resp)1267 iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp)
1268 {
1269 if (iwl_mvm_has_new_tx_api(mvm))
1270 return &((struct iwl_mvm_tx_resp *)tx_resp)->status;
1271 else
1272 return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status;
1273 }
1274
iwl_mvm_is_tt_in_fw(struct iwl_mvm * mvm)1275 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
1276 {
1277 #ifdef CONFIG_THERMAL
1278 /* these two TLV are redundant since the responsibility to CT-kill by
1279 * FW happens only after we send at least one command of
1280 * temperature THs report.
1281 */
1282 return fw_has_capa(&mvm->fw->ucode_capa,
1283 IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
1284 fw_has_capa(&mvm->fw->ucode_capa,
1285 IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
1286 #else /* CONFIG_THERMAL */
1287 return false;
1288 #endif /* CONFIG_THERMAL */
1289 }
1290
iwl_mvm_is_ctdp_supported(struct iwl_mvm * mvm)1291 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
1292 {
1293 return fw_has_capa(&mvm->fw->ucode_capa,
1294 IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
1295 }
1296
1297 extern const u8 iwl_mvm_ac_to_tx_fifo[];
1298 extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[];
1299
iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm * mvm,enum ieee80211_ac_numbers ac)1300 static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm,
1301 enum ieee80211_ac_numbers ac)
1302 {
1303 return iwl_mvm_has_new_tx_api(mvm) ?
1304 iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac];
1305 }
1306
1307 struct iwl_rate_info {
1308 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */
1309 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */
1310 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */
1311 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */
1312 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */
1313 };
1314
1315 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1316 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1317
1318 /******************
1319 * MVM Methods
1320 ******************/
1321 /* uCode */
1322 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1323
1324 /* Utils */
1325 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1326 enum nl80211_band band);
1327 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1328 enum nl80211_band band,
1329 struct ieee80211_tx_rate *r);
1330 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1331 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1332 u8 first_antenna(u8 mask);
1333 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1334 void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime);
1335
1336 /* Tx / Host Commands */
1337 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1338 struct iwl_host_cmd *cmd);
1339 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1340 u32 flags, u16 len, const void *data);
1341 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1342 struct iwl_host_cmd *cmd,
1343 u32 *status);
1344 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1345 u16 len, const void *data,
1346 u32 *status);
1347 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1348 struct ieee80211_sta *sta);
1349 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1350 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1351 struct iwl_tx_cmd *tx_cmd,
1352 struct ieee80211_tx_info *info, u8 sta_id);
1353 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1354 struct ieee80211_tx_info *info,
1355 struct ieee80211_sta *sta, __le16 fc);
1356 #ifdef CONFIG_IWLWIFI_DEBUG
1357 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1358 #else
iwl_mvm_get_tx_fail_reason(u32 status)1359 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1360 #endif
1361 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1362 int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags);
1363 int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id,
1364 u16 tids, u32 flags);
1365
1366 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1367
iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info * info,struct iwl_tx_cmd * tx_cmd)1368 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1369 struct iwl_tx_cmd *tx_cmd)
1370 {
1371 struct ieee80211_key_conf *keyconf = info->control.hw_key;
1372
1373 tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1374 memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1375 }
1376
iwl_mvm_wait_for_async_handlers(struct iwl_mvm * mvm)1377 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1378 {
1379 flush_work(&mvm->async_handlers_wk);
1380 }
1381
1382 /* Statistics */
1383 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1384 struct iwl_rx_packet *pkt);
1385 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1386 struct iwl_rx_cmd_buffer *rxb);
1387 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1388 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1389
1390 /* NVM */
1391 int iwl_nvm_init(struct iwl_mvm *mvm);
1392 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1393 int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm);
1394
iwl_mvm_get_valid_tx_ant(struct iwl_mvm * mvm)1395 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1396 {
1397 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1398 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1399 mvm->fw->valid_tx_ant;
1400 }
1401
iwl_mvm_get_valid_rx_ant(struct iwl_mvm * mvm)1402 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1403 {
1404 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1405 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1406 mvm->fw->valid_rx_ant;
1407 }
1408
iwl_mvm_get_phy_config(struct iwl_mvm * mvm)1409 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1410 {
1411 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1412 FW_PHY_CFG_RX_CHAIN);
1413 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1414 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1415
1416 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1417 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1418
1419 return mvm->fw->phy_config & phy_config;
1420 }
1421
1422 int iwl_mvm_up(struct iwl_mvm *mvm);
1423 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1424
1425 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1426 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1427 struct iwl_bcast_filter_cmd *cmd);
1428
1429 /*
1430 * FW notifications / CMD responses handlers
1431 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1432 */
1433 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1434 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1435 struct iwl_rx_cmd_buffer *rxb);
1436 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1437 struct iwl_rx_cmd_buffer *rxb, int queue);
1438 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
1439 struct iwl_rx_cmd_buffer *rxb, int queue);
1440 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
1441 const u8 *data, u32 count);
1442 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1443 int queue);
1444 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1445 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
1446 struct iwl_rx_cmd_buffer *rxb);
1447 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1448 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1449 struct iwl_rx_cmd_buffer *rxb);
1450 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1451 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1452 struct iwl_rx_cmd_buffer *rxb);
1453 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1454 struct iwl_rx_cmd_buffer *rxb);
1455 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1456 struct iwl_rx_cmd_buffer *rxb);
1457
1458 /* MVM PHY */
1459 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1460 struct cfg80211_chan_def *chandef,
1461 u8 chains_static, u8 chains_dynamic);
1462 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1463 struct cfg80211_chan_def *chandef,
1464 u8 chains_static, u8 chains_dynamic);
1465 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1466 struct iwl_mvm_phy_ctxt *ctxt);
1467 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1468 struct iwl_mvm_phy_ctxt *ctxt);
1469 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1470 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1471 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1472
1473 /* MAC (virtual interface) programming */
1474 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1475 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1476 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1477 bool force_assoc_off, const u8 *bssid_override);
1478 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1479 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1480 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1481 struct ieee80211_vif *vif);
1482 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1483 struct iwl_rx_cmd_buffer *rxb);
1484 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1485 struct iwl_rx_cmd_buffer *rxb);
1486 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
1487 struct iwl_rx_cmd_buffer *rxb);
1488 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1489 struct iwl_rx_cmd_buffer *rxb);
1490 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1491 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
1492 struct iwl_rx_cmd_buffer *rxb);
1493 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1494 struct ieee80211_vif *vif);
1495 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1496 struct ieee80211_vif *exclude_vif);
1497 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm,
1498 struct iwl_rx_cmd_buffer *rxb);
1499 /* Bindings */
1500 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1501 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1502
1503 /* Quota management */
1504 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1505 struct ieee80211_vif *disabled_vif);
1506
1507 /* Scanning */
1508 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1509 struct cfg80211_scan_request *req,
1510 struct ieee80211_scan_ies *ies);
1511 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1512 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1513 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1514 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1515 void iwl_mvm_scan_timeout_wk(struct work_struct *work);
1516
1517 /* Scheduled scan */
1518 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1519 struct iwl_rx_cmd_buffer *rxb);
1520 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1521 struct iwl_rx_cmd_buffer *rxb);
1522 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1523 struct ieee80211_vif *vif,
1524 struct cfg80211_sched_scan_request *req,
1525 struct ieee80211_scan_ies *ies,
1526 int type);
1527 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1528 struct iwl_rx_cmd_buffer *rxb);
1529
1530 /* UMAC scan */
1531 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1532 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1533 struct iwl_rx_cmd_buffer *rxb);
1534 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1535 struct iwl_rx_cmd_buffer *rxb);
1536
1537 /* MVM debugfs */
1538 #ifdef CONFIG_IWLWIFI_DEBUGFS
1539 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1540 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1541 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1542 #else
iwl_mvm_dbgfs_register(struct iwl_mvm * mvm,struct dentry * dbgfs_dir)1543 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1544 struct dentry *dbgfs_dir)
1545 {
1546 return 0;
1547 }
1548 static inline void
iwl_mvm_vif_dbgfs_register(struct iwl_mvm * mvm,struct ieee80211_vif * vif)1549 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1550 {
1551 }
1552 static inline void
iwl_mvm_vif_dbgfs_clean(struct iwl_mvm * mvm,struct ieee80211_vif * vif)1553 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1554 {
1555 }
1556 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1557
1558 /* rate scaling */
1559 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1560 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1561 int rs_pretty_print_rate(char *buf, const u32 rate);
1562 void rs_update_last_rssi(struct iwl_mvm *mvm,
1563 struct iwl_lq_sta *lq_sta,
1564 struct ieee80211_rx_status *rx_status);
1565
1566 /* power management */
1567 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1568 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1569 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1570 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1571 char *buf, int bufsz);
1572
1573 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1574 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1575 struct iwl_rx_cmd_buffer *rxb);
1576
1577 #ifdef CONFIG_IWLWIFI_LEDS
1578 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1579 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1580 void iwl_mvm_leds_sync(struct iwl_mvm *mvm);
1581 #else
iwl_mvm_leds_init(struct iwl_mvm * mvm)1582 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1583 {
1584 return 0;
1585 }
iwl_mvm_leds_exit(struct iwl_mvm * mvm)1586 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1587 {
1588 }
iwl_mvm_leds_sync(struct iwl_mvm * mvm)1589 static inline void iwl_mvm_leds_sync(struct iwl_mvm *mvm)
1590 {
1591 }
1592 #endif
1593
1594 /* D3 (WoWLAN, NetDetect) */
1595 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1596 int iwl_mvm_resume(struct ieee80211_hw *hw);
1597 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1598 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1599 struct ieee80211_vif *vif,
1600 struct cfg80211_gtk_rekey_data *data);
1601 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1602 struct ieee80211_vif *vif,
1603 struct inet6_dev *idev);
1604 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1605 struct ieee80211_vif *vif, int idx);
1606 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1607 #ifdef CONFIG_PM
1608 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1609 struct ieee80211_vif *vif,
1610 bool host_awake,
1611 u32 cmd_flags);
1612 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1613 struct ieee80211_vif *vif,
1614 struct iwl_wowlan_status *status);
1615 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1616 struct ieee80211_vif *vif);
1617 #else
iwl_mvm_wowlan_config_key_params(struct iwl_mvm * mvm,struct ieee80211_vif * vif,bool host_awake,u32 cmd_flags)1618 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1619 struct ieee80211_vif *vif,
1620 bool host_awake,
1621 u32 cmd_flags)
1622 {
1623 return 0;
1624 }
1625
iwl_mvm_d0i3_update_keys(struct iwl_mvm * mvm,struct ieee80211_vif * vif,struct iwl_wowlan_status * status)1626 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1627 struct ieee80211_vif *vif,
1628 struct iwl_wowlan_status *status)
1629 {
1630 }
1631
1632 static inline void
iwl_mvm_set_last_nonqos_seq(struct iwl_mvm * mvm,struct ieee80211_vif * vif)1633 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1634 {
1635 }
1636 #endif
1637 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1638 struct iwl_wowlan_config_cmd *cmd);
1639 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1640 struct ieee80211_vif *vif,
1641 bool disable_offloading,
1642 bool offload_ns,
1643 u32 cmd_flags);
1644
1645 /* D0i3 */
1646 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1647 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1648 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1649 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1650 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1651 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1652 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1653 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1654
1655 /* BT Coex */
1656 int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm);
1657 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1658 struct iwl_rx_cmd_buffer *rxb);
1659 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1660 enum ieee80211_rssi_event_data);
1661 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1662 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1663 struct ieee80211_sta *sta);
1664 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1665 struct ieee80211_sta *sta);
1666 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1667 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1668 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1669 enum nl80211_band band);
1670 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1671 struct ieee80211_tx_info *info, u8 ac);
1672
1673 /* beacon filtering */
1674 #ifdef CONFIG_IWLWIFI_DEBUGFS
1675 void
1676 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1677 struct iwl_beacon_filter_cmd *cmd);
1678 #else
1679 static inline void
iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif * vif,struct iwl_beacon_filter_cmd * cmd)1680 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1681 struct iwl_beacon_filter_cmd *cmd)
1682 {}
1683 #endif
1684 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1685 struct ieee80211_vif *vif,
1686 bool enable, u32 flags);
1687 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1688 struct ieee80211_vif *vif,
1689 u32 flags);
1690 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1691 struct ieee80211_vif *vif,
1692 u32 flags);
1693 /* SMPS */
1694 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1695 enum iwl_mvm_smps_type_request req_type,
1696 enum ieee80211_smps_mode smps_request);
1697 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1698
1699 /* Low latency */
1700 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1701 bool value);
1702 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1703 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1704 /* get VMACLowLatencyMode */
iwl_mvm_vif_low_latency(struct iwl_mvm_vif * mvmvif)1705 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1706 {
1707 /*
1708 * should this consider associated/active/... state?
1709 *
1710 * Normally low-latency should only be active on interfaces
1711 * that are active, but at least with debugfs it can also be
1712 * enabled on interfaces that aren't active. However, when
1713 * interface aren't active then they aren't added into the
1714 * binding, so this has no real impact. For now, just return
1715 * the current desired low-latency state.
1716 */
1717 return mvmvif->low_latency_dbgfs ||
1718 mvmvif->low_latency_traffic ||
1719 mvmvif->low_latency_vcmd;
1720 }
1721
1722 /* hw scheduler queue config */
1723 bool iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1724 u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1725 unsigned int wdg_timeout);
1726 int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, int mac80211_queue,
1727 u8 sta_id, u8 tid, unsigned int timeout);
1728
1729 int iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1730 u8 tid, u8 flags);
1731 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq);
1732
1733 /* Return a bitmask with all the hw supported queues, except for the
1734 * command queue, which can't be flushed.
1735 */
iwl_mvm_flushable_queues(struct iwl_mvm * mvm)1736 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1737 {
1738 return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1739 ~BIT(IWL_MVM_DQA_CMD_QUEUE));
1740 }
1741
iwl_mvm_stop_device(struct iwl_mvm * mvm)1742 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1743 {
1744 iwl_free_fw_paging(&mvm->fwrt);
1745 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1746 iwl_fw_dump_conf_clear(&mvm->fwrt);
1747 iwl_trans_stop_device(mvm->trans);
1748 }
1749
1750 /* Stop/start all mac queues in a given bitmap */
1751 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1752 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1753
1754 /* Re-configure the SCD for a queue that has already been configured */
1755 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id,
1756 int tid, int frame_limit, u16 ssn);
1757
1758 /* Thermal management and CT-kill */
1759 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1760 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1761 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1762 struct iwl_rx_cmd_buffer *rxb);
1763 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1764 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1765 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
1766 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1767 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
1768 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1769 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm);
1770 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
1771 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
1772
1773 /* Location Aware Regulatory */
1774 struct iwl_mcc_update_resp *
1775 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1776 enum iwl_mcc_source src_id);
1777 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1778 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1779 struct iwl_rx_cmd_buffer *rxb);
1780 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1781 const char *alpha2,
1782 enum iwl_mcc_source src_id,
1783 bool *changed);
1784 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1785 bool *changed);
1786 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1787 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1788
1789 /* smart fifo */
1790 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1791 bool added_vif);
1792
1793 /* TDLS */
1794
1795 /*
1796 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1797 * This TID is marked as used vs the AP and all connected TDLS peers.
1798 */
1799 #define IWL_MVM_TDLS_FW_TID 4
1800
1801 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1802 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1803 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1804 bool sta_added);
1805 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1806 struct ieee80211_vif *vif);
1807 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1808 struct ieee80211_vif *vif,
1809 struct ieee80211_sta *sta, u8 oper_class,
1810 struct cfg80211_chan_def *chandef,
1811 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1812 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1813 struct ieee80211_vif *vif,
1814 struct ieee80211_tdls_ch_sw_params *params);
1815 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1816 struct ieee80211_vif *vif,
1817 struct ieee80211_sta *sta);
1818 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1819 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1820
1821 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
1822 struct iwl_mvm_internal_rxq_notif *notif,
1823 u32 size);
1824 void iwl_mvm_reorder_timer_expired(unsigned long data);
1825 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1826 bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm);
1827
1828 void iwl_mvm_inactivity_check(struct iwl_mvm *mvm);
1829
1830 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1831 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1832 struct ieee80211_vif *vif,
1833 bool tdls, bool cmd_q);
1834 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1835 const char *errmsg);
1836
1837 /* Link Quality Measurement */
1838 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif *vif,
1839 enum iwl_lqm_cmd_operatrions operation,
1840 u32 duration, u32 timeout);
1841 bool iwl_mvm_lqm_active(struct iwl_mvm *mvm);
1842
1843 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b);
1844 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm);
1845
1846 #endif /* __IWL_MVM_H__ */
1847