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[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / mvm.h
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 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
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22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
23 * USA
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26 * in the file called COPYING.
27 *
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
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50 * from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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64 *****************************************************************************/
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 "iwl-config.h"
80 #include "sta.h"
81 #include "fw-api.h"
82 #include "constants.h"
83 #include "tof.h"
84
85 #define IWL_INVALID_MAC80211_QUEUE 0xff
86 #define IWL_MVM_MAX_ADDRESSES 5
87 /* RSSI offset for WkP */
88 #define IWL_RSSI_OFFSET 50
89 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
90 /* A TimeUnit is 1024 microsecond */
91 #define MSEC_TO_TU(_msec) (_msec*1000/1024)
92
93 /* For GO, this value represents the number of TUs before CSA "beacon
94 * 0" TBTT when the CSA time-event needs to be scheduled to start. It
95 * must be big enough to ensure that we switch in time.
96 */
97 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO 40
98
99 /* For client, this value represents the number of TUs before CSA
100 * "beacon 1" TBTT, instead. This is because we don't know when the
101 * GO/AP will be in the new channel, so we switch early enough.
102 */
103 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT 10
104
105 /*
106 * This value (in TUs) is used to fine tune the CSA NoA end time which should
107 * be just before "beacon 0" TBTT.
108 */
109 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
110
111 /*
112 * Number of beacons to transmit on a new channel until we unblock tx to
113 * the stations, even if we didn't identify them on a new channel
114 */
115 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
116
117 extern const struct ieee80211_ops iwl_mvm_hw_ops;
118
119 /**
120 * struct iwl_mvm_mod_params - module parameters for iwlmvm
121 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
122 * We will register to mac80211 to have testmode working. The NIC must not
123 * be up'ed after the INIT fw asserted. This is useful to be able to use
124 * proprietary tools over testmode to debug the INIT fw.
125 * @tfd_q_hang_detect: enabled the detection of hung transmit queues
126 * @power_scheme: one of enum iwl_power_scheme
127 */
128 struct iwl_mvm_mod_params {
129 bool init_dbg;
130 bool tfd_q_hang_detect;
131 int power_scheme;
132 };
133 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
134
135 /**
136 * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
137 *
138 * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
139 * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
140 * transport's data.
141 * @trans_len: length of the valid data in trans_ptr
142 * @op_mode_len: length of the valid data in op_mode_ptr
143 */
144 struct iwl_mvm_dump_ptrs {
145 struct iwl_trans_dump_data *trans_ptr;
146 void *op_mode_ptr;
147 u32 op_mode_len;
148 };
149
150 /**
151 * struct iwl_mvm_dump_desc - describes the dump
152 * @len: length of trig_desc->data
153 * @trig_desc: the description of the dump
154 */
155 struct iwl_mvm_dump_desc {
156 size_t len;
157 /* must be last */
158 struct iwl_fw_error_dump_trigger_desc trig_desc;
159 };
160
161 extern struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
162
163 struct iwl_mvm_phy_ctxt {
164 u16 id;
165 u16 color;
166 u32 ref;
167
168 /*
169 * TODO: This should probably be removed. Currently here only for rate
170 * scaling algorithm
171 */
172 struct ieee80211_channel *channel;
173 };
174
175 struct iwl_mvm_time_event_data {
176 struct ieee80211_vif *vif;
177 struct list_head list;
178 unsigned long end_jiffies;
179 u32 duration;
180 bool running;
181 u32 uid;
182
183 /*
184 * The access to the 'id' field must be done when the
185 * mvm->time_event_lock is held, as it value is used to indicate
186 * if the te is in the time event list or not (when id == TE_MAX)
187 */
188 u32 id;
189 };
190
191 /* Power management */
192
193 /**
194 * enum iwl_power_scheme
195 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
196 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
197 * @IWL_POWER_LEVEL_LP - Low Power
198 */
199 enum iwl_power_scheme {
200 IWL_POWER_SCHEME_CAM = 1,
201 IWL_POWER_SCHEME_BPS,
202 IWL_POWER_SCHEME_LP
203 };
204
205 #define IWL_CONN_MAX_LISTEN_INTERVAL 10
206 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_2
207
208 #ifdef CONFIG_IWLWIFI_DEBUGFS
209 enum iwl_dbgfs_pm_mask {
210 MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
211 MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
212 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
213 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
214 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
215 MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
216 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
217 MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
218 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
219 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
220 };
221
222 struct iwl_dbgfs_pm {
223 u16 keep_alive_seconds;
224 u32 rx_data_timeout;
225 u32 tx_data_timeout;
226 bool skip_over_dtim;
227 u8 skip_dtim_periods;
228 bool lprx_ena;
229 u32 lprx_rssi_threshold;
230 bool snooze_ena;
231 bool uapsd_misbehaving;
232 bool use_ps_poll;
233 int mask;
234 };
235
236 /* beacon filtering */
237
238 enum iwl_dbgfs_bf_mask {
239 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
240 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
241 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
242 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
243 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
244 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
245 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
246 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
247 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
248 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
249 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
250 };
251
252 struct iwl_dbgfs_bf {
253 u32 bf_energy_delta;
254 u32 bf_roaming_energy_delta;
255 u32 bf_roaming_state;
256 u32 bf_temp_threshold;
257 u32 bf_temp_fast_filter;
258 u32 bf_temp_slow_filter;
259 u32 bf_enable_beacon_filter;
260 u32 bf_debug_flag;
261 u32 bf_escape_timer;
262 u32 ba_escape_timer;
263 u32 ba_enable_beacon_abort;
264 int mask;
265 };
266 #endif
267
268 enum iwl_mvm_smps_type_request {
269 IWL_MVM_SMPS_REQ_BT_COEX,
270 IWL_MVM_SMPS_REQ_TT,
271 IWL_MVM_SMPS_REQ_PROT,
272 NUM_IWL_MVM_SMPS_REQ,
273 };
274
275 enum iwl_mvm_ref_type {
276 IWL_MVM_REF_UCODE_DOWN,
277 IWL_MVM_REF_SCAN,
278 IWL_MVM_REF_ROC,
279 IWL_MVM_REF_ROC_AUX,
280 IWL_MVM_REF_P2P_CLIENT,
281 IWL_MVM_REF_AP_IBSS,
282 IWL_MVM_REF_USER,
283 IWL_MVM_REF_TX,
284 IWL_MVM_REF_TX_AGG,
285 IWL_MVM_REF_ADD_IF,
286 IWL_MVM_REF_START_AP,
287 IWL_MVM_REF_BSS_CHANGED,
288 IWL_MVM_REF_PREPARE_TX,
289 IWL_MVM_REF_PROTECT_TDLS,
290 IWL_MVM_REF_CHECK_CTKILL,
291 IWL_MVM_REF_PRPH_READ,
292 IWL_MVM_REF_PRPH_WRITE,
293 IWL_MVM_REF_NMI,
294 IWL_MVM_REF_TM_CMD,
295 IWL_MVM_REF_EXIT_WORK,
296 IWL_MVM_REF_PROTECT_CSA,
297 IWL_MVM_REF_FW_DBG_COLLECT,
298
299 /* update debugfs.c when changing this */
300
301 IWL_MVM_REF_COUNT,
302 };
303
304 enum iwl_bt_force_ant_mode {
305 BT_FORCE_ANT_DIS = 0,
306 BT_FORCE_ANT_AUTO,
307 BT_FORCE_ANT_BT,
308 BT_FORCE_ANT_WIFI,
309
310 BT_FORCE_ANT_MAX,
311 };
312
313 /**
314 * struct iwl_mvm_vif_bf_data - beacon filtering related data
315 * @bf_enabled: indicates if beacon filtering is enabled
316 * @ba_enabled: indicated if beacon abort is enabled
317 * @ave_beacon_signal: average beacon signal
318 * @last_cqm_event: rssi of the last cqm event
319 * @bt_coex_min_thold: minimum threshold for BT coex
320 * @bt_coex_max_thold: maximum threshold for BT coex
321 * @last_bt_coex_event: rssi of the last BT coex event
322 */
323 struct iwl_mvm_vif_bf_data {
324 bool bf_enabled;
325 bool ba_enabled;
326 s8 ave_beacon_signal;
327 s8 last_cqm_event;
328 s8 bt_coex_min_thold;
329 s8 bt_coex_max_thold;
330 s8 last_bt_coex_event;
331 };
332
333 /**
334 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
335 * @id: between 0 and 3
336 * @color: to solve races upon MAC addition and removal
337 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
338 * @bssid: BSSID for this (client) interface
339 * @associated: indicates that we're currently associated, used only for
340 * managing the firmware state in iwl_mvm_bss_info_changed_station()
341 * @uploaded: indicates the MAC context has been added to the device
342 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
343 * should get quota etc.
344 * @pm_enabled - Indicate if MAC power management is allowed
345 * @monitor_active: indicates that monitor context is configured, and that the
346 * interface should get quota etc.
347 * @low_latency: indicates that this interface is in low-latency mode
348 * (VMACLowLatencyMode)
349 * @ps_disabled: indicates that this interface requires PS to be disabled
350 * @queue_params: QoS params for this MAC
351 * @bcast_sta: station used for broadcast packets. Used by the following
352 * vifs: P2P_DEVICE, GO and AP.
353 * @beacon_skb: the skb used to hold the AP/GO beacon template
354 * @smps_requests: the SMPS requests of different parts of the driver,
355 * combined on update to yield the overall request to mac80211.
356 * @beacon_stats: beacon statistics, containing the # of received beacons,
357 * # of received beacons accumulated over FW restart, and the current
358 * average signal of beacons retrieved from the firmware
359 * @csa_failed: CSA failed to schedule time event, report an error later
360 */
361 struct iwl_mvm_vif {
362 struct iwl_mvm *mvm;
363 u16 id;
364 u16 color;
365 u8 ap_sta_id;
366
367 u8 bssid[ETH_ALEN];
368 bool associated;
369
370 bool uploaded;
371 bool ap_ibss_active;
372 bool pm_enabled;
373 bool monitor_active;
374 bool low_latency;
375 bool ps_disabled;
376 struct iwl_mvm_vif_bf_data bf_data;
377
378 struct {
379 u32 num_beacons, accu_num_beacons;
380 u8 avg_signal;
381 } beacon_stats;
382
383 u32 ap_beacon_time;
384
385 enum iwl_tsf_id tsf_id;
386
387 /*
388 * QoS data from mac80211, need to store this here
389 * as mac80211 has a separate callback but we need
390 * to have the data for the MAC context
391 */
392 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
393 struct iwl_mvm_time_event_data time_event_data;
394 struct iwl_mvm_time_event_data hs_time_event_data;
395
396 struct iwl_mvm_int_sta bcast_sta;
397
398 /*
399 * Assigned while mac80211 has the interface in a channel context,
400 * or, for P2P Device, while it exists.
401 */
402 struct iwl_mvm_phy_ctxt *phy_ctxt;
403
404 #ifdef CONFIG_PM_SLEEP
405 /* WoWLAN GTK rekey data */
406 struct {
407 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
408 __le64 replay_ctr;
409 bool valid;
410 } rekey_data;
411
412 int tx_key_idx;
413
414 bool seqno_valid;
415 u16 seqno;
416 #endif
417
418 #if IS_ENABLED(CONFIG_IPV6)
419 /* IPv6 addresses for WoWLAN */
420 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
421 int num_target_ipv6_addrs;
422 #endif
423
424 #ifdef CONFIG_IWLWIFI_DEBUGFS
425 struct dentry *dbgfs_dir;
426 struct dentry *dbgfs_slink;
427 struct iwl_dbgfs_pm dbgfs_pm;
428 struct iwl_dbgfs_bf dbgfs_bf;
429 struct iwl_mac_power_cmd mac_pwr_cmd;
430 #endif
431
432 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
433
434 /* FW identified misbehaving AP */
435 u8 uapsd_misbehaving_bssid[ETH_ALEN];
436
437 /* Indicates that CSA countdown may be started */
438 bool csa_countdown;
439 bool csa_failed;
440 };
441
442 static inline struct iwl_mvm_vif *
443 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
444 {
445 return (void *)vif->drv_priv;
446 }
447
448 extern const u8 tid_to_mac80211_ac[];
449
450 #define IWL_MVM_SCAN_STOPPING_SHIFT 8
451
452 enum iwl_scan_status {
453 IWL_MVM_SCAN_REGULAR = BIT(0),
454 IWL_MVM_SCAN_SCHED = BIT(1),
455 IWL_MVM_SCAN_NETDETECT = BIT(2),
456
457 IWL_MVM_SCAN_STOPPING_REGULAR = BIT(8),
458 IWL_MVM_SCAN_STOPPING_SCHED = BIT(9),
459 IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
460
461 IWL_MVM_SCAN_REGULAR_MASK = IWL_MVM_SCAN_REGULAR |
462 IWL_MVM_SCAN_STOPPING_REGULAR,
463 IWL_MVM_SCAN_SCHED_MASK = IWL_MVM_SCAN_SCHED |
464 IWL_MVM_SCAN_STOPPING_SCHED,
465 IWL_MVM_SCAN_NETDETECT_MASK = IWL_MVM_SCAN_NETDETECT |
466 IWL_MVM_SCAN_STOPPING_NETDETECT,
467
468 IWL_MVM_SCAN_STOPPING_MASK = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
469 IWL_MVM_SCAN_MASK = 0xff,
470 };
471
472 /**
473 * struct iwl_nvm_section - describes an NVM section in memory.
474 *
475 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
476 * and saved for later use by the driver. Not all NVM sections are saved
477 * this way, only the needed ones.
478 */
479 struct iwl_nvm_section {
480 u16 length;
481 const u8 *data;
482 };
483
484 /**
485 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
486 * @ct_kill_exit: worker to exit thermal kill
487 * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
488 * @tx_backoff: The current thremal throttling tx backoff in uSec.
489 * @min_backoff: The minimal tx backoff due to power restrictions
490 * @params: Parameters to configure the thermal throttling algorithm.
491 * @throttle: Is thermal throttling is active?
492 */
493 struct iwl_mvm_tt_mgmt {
494 struct delayed_work ct_kill_exit;
495 bool dynamic_smps;
496 u32 tx_backoff;
497 u32 min_backoff;
498 struct iwl_tt_params params;
499 bool throttle;
500 };
501
502 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
503
504 struct iwl_mvm_frame_stats {
505 u32 legacy_frames;
506 u32 ht_frames;
507 u32 vht_frames;
508 u32 bw_20_frames;
509 u32 bw_40_frames;
510 u32 bw_80_frames;
511 u32 bw_160_frames;
512 u32 sgi_frames;
513 u32 ngi_frames;
514 u32 siso_frames;
515 u32 mimo2_frames;
516 u32 agg_frames;
517 u32 ampdu_count;
518 u32 success_frames;
519 u32 fail_frames;
520 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
521 int last_frame_idx;
522 };
523
524 enum {
525 D0I3_DEFER_WAKEUP,
526 D0I3_PENDING_WAKEUP,
527 };
528
529 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
530 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
531 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
532
533 enum iwl_mvm_tdls_cs_state {
534 IWL_MVM_TDLS_SW_IDLE = 0,
535 IWL_MVM_TDLS_SW_REQ_SENT,
536 IWL_MVM_TDLS_SW_RESP_RCVD,
537 IWL_MVM_TDLS_SW_REQ_RCVD,
538 IWL_MVM_TDLS_SW_ACTIVE,
539 };
540
541 struct iwl_mvm_shared_mem_cfg {
542 u32 shared_mem_addr;
543 u32 shared_mem_size;
544 u32 sample_buff_addr;
545 u32 sample_buff_size;
546 u32 txfifo_addr;
547 u32 txfifo_size[TX_FIFO_MAX_NUM];
548 u32 rxfifo_size[RX_FIFO_MAX_NUM];
549 u32 page_buff_addr;
550 u32 page_buff_size;
551 };
552
553 struct iwl_mvm {
554 /* for logger access */
555 struct device *dev;
556
557 struct iwl_trans *trans;
558 const struct iwl_fw *fw;
559 const struct iwl_cfg *cfg;
560 struct iwl_phy_db *phy_db;
561 struct ieee80211_hw *hw;
562
563 /* for protecting access to iwl_mvm */
564 struct mutex mutex;
565 struct list_head async_handlers_list;
566 spinlock_t async_handlers_lock;
567 struct work_struct async_handlers_wk;
568
569 struct work_struct roc_done_wk;
570
571 unsigned long status;
572
573 /*
574 * for beacon filtering -
575 * currently only one interface can be supported
576 */
577 struct iwl_mvm_vif *bf_allowed_vif;
578
579 enum iwl_ucode_type cur_ucode;
580 bool ucode_loaded;
581 bool calibrating;
582 u32 error_event_table;
583 u32 log_event_table;
584 u32 umac_error_event_table;
585 bool support_umac_log;
586 struct iwl_sf_region sf_space;
587
588 u32 ampdu_ref;
589
590 struct iwl_notif_wait_data notif_wait;
591
592 struct mvm_statistics_rx rx_stats;
593
594 struct {
595 u64 rx_time;
596 u64 tx_time;
597 u64 on_time_rf;
598 u64 on_time_scan;
599 } radio_stats, accu_radio_stats;
600
601 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
602 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
603
604 const char *nvm_file_name;
605 struct iwl_nvm_data *nvm_data;
606 /* NVM sections */
607 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
608
609 /* EEPROM MAC addresses */
610 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
611
612 /* data related to data path */
613 struct iwl_rx_phy_info last_phy_info;
614 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
615 struct work_struct sta_drained_wk;
616 unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
617 atomic_t pending_frames[IWL_MVM_STATION_COUNT];
618 u32 tfd_drained[IWL_MVM_STATION_COUNT];
619 u8 rx_ba_sessions;
620
621 /* configured by mac80211 */
622 u32 rts_threshold;
623
624 /* Scan status, cmd (pre-allocated) and auxiliary station */
625 unsigned int scan_status;
626 void *scan_cmd;
627 struct iwl_mcast_filter_cmd *mcast_filter_cmd;
628
629 /* max number of simultaneous scans the FW supports */
630 unsigned int max_scans;
631
632 /* UMAC scan tracking */
633 u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
634
635 /* rx chain antennas set through debugfs for the scan command */
636 u8 scan_rx_ant;
637
638 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
639 /* broadcast filters to configure for each associated station */
640 const struct iwl_fw_bcast_filter *bcast_filters;
641 #ifdef CONFIG_IWLWIFI_DEBUGFS
642 struct {
643 u32 override; /* u32 for debugfs_create_bool */
644 struct iwl_bcast_filter_cmd cmd;
645 } dbgfs_bcast_filtering;
646 #endif
647 #endif
648
649 /* Internal station */
650 struct iwl_mvm_int_sta aux_sta;
651
652 bool last_ebs_successful;
653
654 u8 scan_last_antenna_idx; /* to toggle TX between antennas */
655 u8 mgmt_last_antenna_idx;
656
657 /* last smart fifo state that was successfully sent to firmware */
658 enum iwl_sf_state sf_state;
659
660 #ifdef CONFIG_IWLWIFI_DEBUGFS
661 struct dentry *debugfs_dir;
662 u32 dbgfs_sram_offset, dbgfs_sram_len;
663 u32 dbgfs_prph_reg_addr;
664 bool disable_power_off;
665 bool disable_power_off_d3;
666
667 u32 scan_iter_notif_enabled; /* must be u32 for debugfs_create_bool */
668
669 struct debugfs_blob_wrapper nvm_hw_blob;
670 struct debugfs_blob_wrapper nvm_sw_blob;
671 struct debugfs_blob_wrapper nvm_calib_blob;
672 struct debugfs_blob_wrapper nvm_prod_blob;
673
674 struct iwl_mvm_frame_stats drv_rx_stats;
675 spinlock_t drv_stats_lock;
676 u16 dbgfs_rx_phyinfo;
677 #endif
678
679 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
680
681 struct list_head time_event_list;
682 spinlock_t time_event_lock;
683
684 /*
685 * A bitmap indicating the index of the key in use. The firmware
686 * can hold 16 keys at most. Reflect this fact.
687 */
688 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
689 u8 fw_key_deleted[STA_KEY_MAX_NUM];
690
691 /* references taken by the driver and spinlock protecting them */
692 spinlock_t refs_lock;
693 u8 refs[IWL_MVM_REF_COUNT];
694
695 u8 vif_count;
696
697 /* -1 for always, 0 for never, >0 for that many times */
698 s8 restart_fw;
699 u8 fw_dbg_conf;
700 struct delayed_work fw_dump_wk;
701 struct iwl_mvm_dump_desc *fw_dump_desc;
702
703 #ifdef CONFIG_IWLWIFI_LEDS
704 struct led_classdev led;
705 #endif
706
707 struct ieee80211_vif *p2p_device_vif;
708
709 #ifdef CONFIG_PM_SLEEP
710 struct wiphy_wowlan_support wowlan;
711 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
712
713 /* sched scan settings for net detect */
714 struct cfg80211_sched_scan_request *nd_config;
715 struct ieee80211_scan_ies nd_ies;
716 struct cfg80211_match_set *nd_match_sets;
717 int n_nd_match_sets;
718 struct ieee80211_channel **nd_channels;
719 int n_nd_channels;
720 bool net_detect;
721 #ifdef CONFIG_IWLWIFI_DEBUGFS
722 u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
723 bool d3_test_active;
724 bool store_d3_resume_sram;
725 void *d3_resume_sram;
726 u32 d3_test_pme_ptr;
727 struct ieee80211_vif *keep_vif;
728 u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
729 #endif
730 #endif
731
732 /* d0i3 */
733 u8 d0i3_ap_sta_id;
734 bool d0i3_offloading;
735 struct work_struct d0i3_exit_work;
736 struct sk_buff_head d0i3_tx;
737 /* protect d0i3_suspend_flags */
738 struct mutex d0i3_suspend_mutex;
739 unsigned long d0i3_suspend_flags;
740 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
741 spinlock_t d0i3_tx_lock;
742 wait_queue_head_t d0i3_exit_waitq;
743
744 /* BT-Coex */
745 u8 bt_ack_kill_msk[NUM_PHY_CTX];
746 u8 bt_cts_kill_msk[NUM_PHY_CTX];
747
748 struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
749 struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
750 struct iwl_bt_coex_profile_notif last_bt_notif;
751 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
752
753 u32 last_ant_isol;
754 u8 last_corun_lut;
755 u8 bt_tx_prio;
756 enum iwl_bt_force_ant_mode bt_force_ant_mode;
757
758 /* Aux ROC */
759 struct list_head aux_roc_te_list;
760
761 /* Thermal Throttling and CTkill */
762 struct iwl_mvm_tt_mgmt thermal_throttle;
763 s32 temperature; /* Celsius */
764 /*
765 * Debug option to set the NIC temperature. This option makes the
766 * driver think this is the actual NIC temperature, and ignore the
767 * real temperature that is received from the fw
768 */
769 bool temperature_test; /* Debug test temperature is enabled */
770
771 struct iwl_time_quota_cmd last_quota_cmd;
772
773 #ifdef CONFIG_NL80211_TESTMODE
774 u32 noa_duration;
775 struct ieee80211_vif *noa_vif;
776 #endif
777
778 /* Tx queues */
779 u8 aux_queue;
780 u8 first_agg_queue;
781 u8 last_agg_queue;
782
783 /* Indicate if device power save is allowed */
784 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
785
786 struct ieee80211_vif __rcu *csa_vif;
787 struct ieee80211_vif __rcu *csa_tx_blocked_vif;
788 u8 csa_tx_block_bcn_timeout;
789
790 /* system time of last beacon (for AP/GO interface) */
791 u32 ap_last_beacon_gp2;
792
793 bool lar_regdom_set;
794 enum iwl_mcc_source mcc_src;
795
796 u8 low_latency_agg_frame_limit;
797
798 /* TDLS channel switch data */
799 struct {
800 struct delayed_work dwork;
801 enum iwl_mvm_tdls_cs_state state;
802
803 /*
804 * Current cs sta - might be different from periodic cs peer
805 * station. Value is meaningless when the cs-state is idle.
806 */
807 u8 cur_sta_id;
808
809 /* TDLS periodic channel-switch peer */
810 struct {
811 u8 sta_id;
812 u8 op_class;
813 bool initiator; /* are we the link initiator */
814 struct cfg80211_chan_def chandef;
815 struct sk_buff *skb; /* ch sw template */
816 u32 ch_sw_tm_ie;
817
818 /* timestamp of last ch-sw request sent (GP2 time) */
819 u32 sent_timestamp;
820 } peer;
821 } tdls_cs;
822
823 struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
824
825 u32 ciphers[6];
826 struct iwl_mvm_tof_data tof_data;
827 };
828
829 /* Extract MVM priv from op_mode and _hw */
830 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \
831 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
832
833 #define IWL_MAC80211_GET_MVM(_hw) \
834 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
835
836 enum iwl_mvm_status {
837 IWL_MVM_STATUS_HW_RFKILL,
838 IWL_MVM_STATUS_HW_CTKILL,
839 IWL_MVM_STATUS_ROC_RUNNING,
840 IWL_MVM_STATUS_IN_HW_RESTART,
841 IWL_MVM_STATUS_IN_D0I3,
842 IWL_MVM_STATUS_ROC_AUX_RUNNING,
843 IWL_MVM_STATUS_D3_RECONFIG,
844 IWL_MVM_STATUS_DUMPING_FW_LOG,
845 };
846
847 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
848 {
849 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
850 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
851 }
852
853 /* Must be called with rcu_read_lock() held and it can only be
854 * released when mvmsta is not needed anymore.
855 */
856 static inline struct iwl_mvm_sta *
857 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
858 {
859 struct ieee80211_sta *sta;
860
861 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
862 return NULL;
863
864 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
865
866 /* This can happen if the station has been removed right now */
867 if (IS_ERR_OR_NULL(sta))
868 return NULL;
869
870 return iwl_mvm_sta_from_mac80211(sta);
871 }
872
873 static inline struct iwl_mvm_sta *
874 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
875 {
876 struct ieee80211_sta *sta;
877
878 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
879 return NULL;
880
881 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
882 lockdep_is_held(&mvm->mutex));
883
884 /* This can happen if the station has been removed right now */
885 if (IS_ERR_OR_NULL(sta))
886 return NULL;
887
888 return iwl_mvm_sta_from_mac80211(sta);
889 }
890
891 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
892 {
893 return mvm->trans->cfg->d0i3 &&
894 mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
895 !iwlwifi_mod_params.d0i3_disable &&
896 fw_has_capa(&mvm->fw->ucode_capa,
897 IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
898 }
899
900 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
901 {
902 bool nvm_lar = mvm->nvm_data->lar_enabled;
903 bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
904 IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
905
906 if (iwlwifi_mod_params.lar_disable)
907 return false;
908
909 /*
910 * Enable LAR only if it is supported by the FW (TLV) &&
911 * enabled in the NVM
912 */
913 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
914 return nvm_lar && tlv_lar;
915 else
916 return tlv_lar;
917 }
918
919 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
920 {
921 return fw_has_api(&mvm->fw->ucode_capa,
922 IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
923 fw_has_capa(&mvm->fw->ucode_capa,
924 IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
925 }
926
927 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
928 {
929 return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_SCD_CFG);
930 }
931
932 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
933 {
934 return fw_has_capa(&mvm->fw->ucode_capa,
935 IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
936 IWL_MVM_BT_COEX_CORUNNING;
937 }
938
939 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
940 {
941 return fw_has_capa(&mvm->fw->ucode_capa,
942 IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
943 IWL_MVM_BT_COEX_RRC;
944 }
945
946 extern const u8 iwl_mvm_ac_to_tx_fifo[];
947
948 struct iwl_rate_info {
949 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */
950 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */
951 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */
952 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */
953 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */
954 };
955
956 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
957 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
958
959 /******************
960 * MVM Methods
961 ******************/
962 /* uCode */
963 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
964
965 /* Utils */
966 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
967 enum ieee80211_band band);
968 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
969 enum ieee80211_band band,
970 struct ieee80211_tx_rate *r);
971 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
972 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
973 u8 first_antenna(u8 mask);
974 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
975
976 /* Tx / Host Commands */
977 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
978 struct iwl_host_cmd *cmd);
979 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
980 u32 flags, u16 len, const void *data);
981 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
982 struct iwl_host_cmd *cmd,
983 u32 *status);
984 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
985 u16 len, const void *data,
986 u32 *status);
987 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
988 struct ieee80211_sta *sta);
989 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
990 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
991 struct iwl_tx_cmd *tx_cmd,
992 struct ieee80211_tx_info *info, u8 sta_id);
993 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
994 struct ieee80211_tx_info *info,
995 struct iwl_tx_cmd *tx_cmd,
996 struct sk_buff *skb_frag);
997 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
998 struct ieee80211_tx_info *info,
999 struct ieee80211_sta *sta, __le16 fc);
1000 #ifdef CONFIG_IWLWIFI_DEBUG
1001 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1002 #else
1003 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1004 #endif
1005 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
1006 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1007
1008 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1009 {
1010 flush_work(&mvm->async_handlers_wk);
1011 }
1012
1013 /* Statistics */
1014 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1015 struct iwl_rx_packet *pkt);
1016 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1017 struct iwl_rx_cmd_buffer *rxb);
1018 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1019 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1020
1021 /* NVM */
1022 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1023 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1024
1025 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1026 {
1027 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1028 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1029 mvm->fw->valid_tx_ant;
1030 }
1031
1032 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1033 {
1034 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1035 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1036 mvm->fw->valid_rx_ant;
1037 }
1038
1039 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1040 {
1041 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1042 FW_PHY_CFG_RX_CHAIN);
1043 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1044 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1045
1046 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1047 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1048
1049 return mvm->fw->phy_config & phy_config;
1050 }
1051
1052 int iwl_mvm_up(struct iwl_mvm *mvm);
1053 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1054
1055 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1056 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1057 struct iwl_bcast_filter_cmd *cmd);
1058
1059 /*
1060 * FW notifications / CMD responses handlers
1061 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1062 */
1063 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1064 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1065 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1066 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1067 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1068 struct iwl_rx_cmd_buffer *rxb);
1069 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1070 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1071 struct iwl_rx_cmd_buffer *rxb);
1072 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1073 struct iwl_rx_cmd_buffer *rxb);
1074 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1075 struct iwl_rx_cmd_buffer *rxb);
1076
1077 /* MVM PHY */
1078 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1079 struct cfg80211_chan_def *chandef,
1080 u8 chains_static, u8 chains_dynamic);
1081 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1082 struct cfg80211_chan_def *chandef,
1083 u8 chains_static, u8 chains_dynamic);
1084 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1085 struct iwl_mvm_phy_ctxt *ctxt);
1086 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1087 struct iwl_mvm_phy_ctxt *ctxt);
1088 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1089 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1090 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1091
1092 /* MAC (virtual interface) programming */
1093 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1094 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1095 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1096 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1097 bool force_assoc_off, const u8 *bssid_override);
1098 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1099 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1100 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1101 struct ieee80211_vif *vif);
1102 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1103 struct iwl_rx_cmd_buffer *rxb);
1104 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1105 struct iwl_rx_cmd_buffer *rxb);
1106 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1107 struct ieee80211_vif *vif);
1108 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1109 struct ieee80211_vif *exclude_vif);
1110
1111 /* Bindings */
1112 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1113 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1114
1115 /* Quota management */
1116 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1117 struct ieee80211_vif *disabled_vif);
1118
1119 /* Scanning */
1120 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1121 struct cfg80211_scan_request *req,
1122 struct ieee80211_scan_ies *ies);
1123 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1124 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1125 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1126 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1127
1128 /* Scheduled scan */
1129 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1130 struct iwl_rx_cmd_buffer *rxb);
1131 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1132 struct iwl_rx_cmd_buffer *rxb);
1133 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1134 struct ieee80211_vif *vif,
1135 struct cfg80211_sched_scan_request *req,
1136 struct ieee80211_scan_ies *ies,
1137 int type);
1138 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1139 struct iwl_rx_cmd_buffer *rxb);
1140
1141 /* UMAC scan */
1142 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1143 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1144 struct iwl_rx_cmd_buffer *rxb);
1145 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1146 struct iwl_rx_cmd_buffer *rxb);
1147
1148 /* MVM debugfs */
1149 #ifdef CONFIG_IWLWIFI_DEBUGFS
1150 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1151 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1152 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1153 #else
1154 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1155 struct dentry *dbgfs_dir)
1156 {
1157 return 0;
1158 }
1159 static inline void
1160 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1161 {
1162 }
1163 static inline void
1164 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1165 {
1166 }
1167 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1168
1169 /* rate scaling */
1170 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1171 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1172 int rs_pretty_print_rate(char *buf, const u32 rate);
1173 void rs_update_last_rssi(struct iwl_mvm *mvm,
1174 struct iwl_lq_sta *lq_sta,
1175 struct ieee80211_rx_status *rx_status);
1176
1177 /* power management */
1178 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1179 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1180 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1181 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1182 char *buf, int bufsz);
1183
1184 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1185 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1186 struct iwl_rx_cmd_buffer *rxb);
1187
1188 #ifdef CONFIG_IWLWIFI_LEDS
1189 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1190 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1191 #else
1192 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1193 {
1194 return 0;
1195 }
1196 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1197 {
1198 }
1199 #endif
1200
1201 /* D3 (WoWLAN, NetDetect) */
1202 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1203 int iwl_mvm_resume(struct ieee80211_hw *hw);
1204 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1205 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1206 struct ieee80211_vif *vif,
1207 struct cfg80211_gtk_rekey_data *data);
1208 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1209 struct ieee80211_vif *vif,
1210 struct inet6_dev *idev);
1211 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1212 struct ieee80211_vif *vif, int idx);
1213 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1214 #ifdef CONFIG_PM_SLEEP
1215 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1216 struct ieee80211_vif *vif);
1217 #else
1218 static inline void
1219 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1220 {
1221 }
1222 #endif
1223 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1224 struct iwl_wowlan_config_cmd *cmd);
1225 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1226 struct ieee80211_vif *vif,
1227 bool disable_offloading,
1228 u32 cmd_flags);
1229
1230 /* D0i3 */
1231 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1232 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1233 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1234 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1235 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1236 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1237 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1238 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1239
1240 /* BT Coex */
1241 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1242 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1243 struct iwl_rx_cmd_buffer *rxb);
1244 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1245 enum ieee80211_rssi_event_data);
1246 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1247 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1248 struct ieee80211_sta *sta);
1249 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1250 struct ieee80211_sta *sta);
1251 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1252 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1253 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1254 enum ieee80211_band band);
1255 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1256 struct ieee80211_tx_info *info, u8 ac);
1257
1258 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1259 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1260 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1261 void iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1262 struct iwl_rx_cmd_buffer *rxb);
1263 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1264 enum ieee80211_rssi_event_data);
1265 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1266 struct ieee80211_sta *sta);
1267 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1268 struct ieee80211_sta *sta);
1269 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1270 enum ieee80211_band band);
1271 void iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1272 struct iwl_rx_cmd_buffer *rxb);
1273
1274 /* beacon filtering */
1275 #ifdef CONFIG_IWLWIFI_DEBUGFS
1276 void
1277 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1278 struct iwl_beacon_filter_cmd *cmd);
1279 #else
1280 static inline void
1281 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1282 struct iwl_beacon_filter_cmd *cmd)
1283 {}
1284 #endif
1285 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1286 struct ieee80211_vif *vif,
1287 bool enable, u32 flags);
1288 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1289 struct ieee80211_vif *vif,
1290 u32 flags);
1291 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1292 struct ieee80211_vif *vif,
1293 u32 flags);
1294 /* SMPS */
1295 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1296 enum iwl_mvm_smps_type_request req_type,
1297 enum ieee80211_smps_mode smps_request);
1298 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1299
1300 /* Low latency */
1301 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1302 bool value);
1303 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1304 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1305 /* get VMACLowLatencyMode */
1306 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1307 {
1308 /*
1309 * should this consider associated/active/... state?
1310 *
1311 * Normally low-latency should only be active on interfaces
1312 * that are active, but at least with debugfs it can also be
1313 * enabled on interfaces that aren't active. However, when
1314 * interface aren't active then they aren't added into the
1315 * binding, so this has no real impact. For now, just return
1316 * the current desired low-latency state.
1317 */
1318
1319 return mvmvif->low_latency;
1320 }
1321
1322 /* hw scheduler queue config */
1323 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1324 const struct iwl_trans_txq_scd_cfg *cfg,
1325 unsigned int wdg_timeout);
1326 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1327
1328 static inline
1329 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1330 u8 fifo, unsigned int wdg_timeout)
1331 {
1332 struct iwl_trans_txq_scd_cfg cfg = {
1333 .fifo = fifo,
1334 .tid = IWL_MAX_TID_COUNT,
1335 .aggregate = false,
1336 .frame_limit = IWL_FRAME_LIMIT,
1337 };
1338
1339 iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1340 }
1341
1342 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1343 int fifo, int sta_id, int tid,
1344 int frame_limit, u16 ssn,
1345 unsigned int wdg_timeout)
1346 {
1347 struct iwl_trans_txq_scd_cfg cfg = {
1348 .fifo = fifo,
1349 .sta_id = sta_id,
1350 .tid = tid,
1351 .frame_limit = frame_limit,
1352 .aggregate = true,
1353 };
1354
1355 iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1356 }
1357
1358 /* Thermal management and CT-kill */
1359 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1360 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1361 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1362 struct iwl_rx_cmd_buffer *rxb);
1363 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1364 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1365 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1366 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1367 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1368
1369 /* Location Aware Regulatory */
1370 struct iwl_mcc_update_resp *
1371 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1372 enum iwl_mcc_source src_id);
1373 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1374 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1375 struct iwl_rx_cmd_buffer *rxb);
1376 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1377 const char *alpha2,
1378 enum iwl_mcc_source src_id,
1379 bool *changed);
1380 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1381 bool *changed);
1382 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1383 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1384
1385 /* smart fifo */
1386 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1387 bool added_vif);
1388
1389 /* TDLS */
1390
1391 /*
1392 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1393 * This TID is marked as used vs the AP and all connected TDLS peers.
1394 */
1395 #define IWL_MVM_TDLS_FW_TID 4
1396
1397 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1398 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1399 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1400 bool sta_added);
1401 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1402 struct ieee80211_vif *vif);
1403 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1404 struct ieee80211_vif *vif,
1405 struct ieee80211_sta *sta, u8 oper_class,
1406 struct cfg80211_chan_def *chandef,
1407 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1408 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1409 struct ieee80211_vif *vif,
1410 struct ieee80211_tdls_ch_sw_params *params);
1411 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1412 struct ieee80211_vif *vif,
1413 struct ieee80211_sta *sta);
1414 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1415 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1416
1417 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1418
1419 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1420 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1421
1422 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1423 int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1424 const char *str, size_t len, unsigned int delay);
1425 int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1426 struct iwl_mvm_dump_desc *desc,
1427 unsigned int delay);
1428 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1429 int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1430 struct iwl_fw_dbg_trigger_tlv *trigger,
1431 const char *fmt, ...) __printf(3, 4);
1432 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1433 struct ieee80211_vif *vif,
1434 bool tdls, bool cmd_q);
1435 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1436 const char *errmsg);
1437 static inline bool
1438 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1439 struct ieee80211_vif *vif)
1440 {
1441 u32 trig_vif = le32_to_cpu(trig->vif_type);
1442
1443 return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1444 }
1445
1446 static inline bool
1447 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1448 struct iwl_fw_dbg_trigger_tlv *trig)
1449 {
1450 return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1451 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
1452 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1453 }
1454
1455 static inline bool
1456 iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1457 struct ieee80211_vif *vif,
1458 struct iwl_fw_dbg_trigger_tlv *trig)
1459 {
1460 if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1461 return false;
1462
1463 return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1464 }
1465
1466 static inline void
1467 iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1468 struct ieee80211_vif *vif,
1469 enum iwl_fw_dbg_trigger trig)
1470 {
1471 struct iwl_fw_dbg_trigger_tlv *trigger;
1472
1473 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
1474 return;
1475
1476 trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
1477 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1478 return;
1479
1480 iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
1481 }
1482
1483 #endif /* __IWL_MVM_H__ */
Linux kernel - Deliverables
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