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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 - 2014 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.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
23 * USA
24 *
25 * The full GNU General Public License is included in this distribution
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 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
47 * distribution.
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
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 "sta.h"
79 #include "fw-api.h"
80 #include "constants.h"
81
82 #define IWL_INVALID_MAC80211_QUEUE 0xff
83 #define IWL_MVM_MAX_ADDRESSES 5
84 /* RSSI offset for WkP */
85 #define IWL_RSSI_OFFSET 50
86 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
87 /* A TimeUnit is 1024 microsecond */
88 #define MSEC_TO_TU(_msec) (_msec*1000/1024)
89
90 /* For GO, this value represents the number of TUs before CSA "beacon
91 * 0" TBTT when the CSA time-event needs to be scheduled to start. It
92 * must be big enough to ensure that we switch in time.
93 */
94 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO 40
95
96 /* For client, this value represents the number of TUs before CSA
97 * "beacon 1" TBTT, instead. This is because we don't know when the
98 * GO/AP will be in the new channel, so we switch early enough.
99 */
100 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT 10
101
102 /*
103 * This value (in TUs) is used to fine tune the CSA NoA end time which should
104 * be just before "beacon 0" TBTT.
105 */
106 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
107
108 /*
109 * Number of beacons to transmit on a new channel until we unblock tx to
110 * the stations, even if we didn't identify them on a new channel
111 */
112 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
113
114 extern const struct ieee80211_ops iwl_mvm_hw_ops;
115
116 /**
117 * struct iwl_mvm_mod_params - module parameters for iwlmvm
118 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
119 * We will register to mac80211 to have testmode working. The NIC must not
120 * be up'ed after the INIT fw asserted. This is useful to be able to use
121 * proprietary tools over testmode to debug the INIT fw.
122 * @tfd_q_hang_detect: enabled the detection of hung transmit queues
123 * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
124 * Save)-2(default), LP(Low Power)-3
125 */
126 struct iwl_mvm_mod_params {
127 bool init_dbg;
128 bool tfd_q_hang_detect;
129 int power_scheme;
130 };
131 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
132
133 /**
134 * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
135 *
136 * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
137 * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
138 * transport's data.
139 * @trans_len: length of the valid data in trans_ptr
140 * @op_mode_len: length of the valid data in op_mode_ptr
141 */
142 struct iwl_mvm_dump_ptrs {
143 struct iwl_trans_dump_data *trans_ptr;
144 void *op_mode_ptr;
145 u32 op_mode_len;
146 };
147
148 struct iwl_mvm_phy_ctxt {
149 u16 id;
150 u16 color;
151 u32 ref;
152
153 /*
154 * TODO: This should probably be removed. Currently here only for rate
155 * scaling algorithm
156 */
157 struct ieee80211_channel *channel;
158 };
159
160 struct iwl_mvm_time_event_data {
161 struct ieee80211_vif *vif;
162 struct list_head list;
163 unsigned long end_jiffies;
164 u32 duration;
165 bool running;
166 u32 uid;
167
168 /*
169 * The access to the 'id' field must be done when the
170 * mvm->time_event_lock is held, as it value is used to indicate
171 * if the te is in the time event list or not (when id == TE_MAX)
172 */
173 u32 id;
174 };
175
176 /* Power management */
177
178 /**
179 * enum iwl_power_scheme
180 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
181 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
182 * @IWL_POWER_LEVEL_LP - Low Power
183 */
184 enum iwl_power_scheme {
185 IWL_POWER_SCHEME_CAM = 1,
186 IWL_POWER_SCHEME_BPS,
187 IWL_POWER_SCHEME_LP
188 };
189
190 #define IWL_CONN_MAX_LISTEN_INTERVAL 10
191 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_2
192
193 #ifdef CONFIG_IWLWIFI_DEBUGFS
194 enum iwl_dbgfs_pm_mask {
195 MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
196 MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
197 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
198 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
199 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
200 MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
201 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
202 MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
203 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
204 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
205 };
206
207 struct iwl_dbgfs_pm {
208 u16 keep_alive_seconds;
209 u32 rx_data_timeout;
210 u32 tx_data_timeout;
211 bool skip_over_dtim;
212 u8 skip_dtim_periods;
213 bool lprx_ena;
214 u32 lprx_rssi_threshold;
215 bool snooze_ena;
216 bool uapsd_misbehaving;
217 bool use_ps_poll;
218 int mask;
219 };
220
221 /* beacon filtering */
222
223 enum iwl_dbgfs_bf_mask {
224 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
225 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
226 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
227 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
228 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
229 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
230 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
231 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
232 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
233 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
234 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
235 };
236
237 struct iwl_dbgfs_bf {
238 u32 bf_energy_delta;
239 u32 bf_roaming_energy_delta;
240 u32 bf_roaming_state;
241 u32 bf_temp_threshold;
242 u32 bf_temp_fast_filter;
243 u32 bf_temp_slow_filter;
244 u32 bf_enable_beacon_filter;
245 u32 bf_debug_flag;
246 u32 bf_escape_timer;
247 u32 ba_escape_timer;
248 u32 ba_enable_beacon_abort;
249 int mask;
250 };
251 #endif
252
253 enum iwl_mvm_smps_type_request {
254 IWL_MVM_SMPS_REQ_BT_COEX,
255 IWL_MVM_SMPS_REQ_TT,
256 IWL_MVM_SMPS_REQ_PROT,
257 NUM_IWL_MVM_SMPS_REQ,
258 };
259
260 enum iwl_mvm_ref_type {
261 IWL_MVM_REF_UCODE_DOWN,
262 IWL_MVM_REF_SCAN,
263 IWL_MVM_REF_ROC,
264 IWL_MVM_REF_P2P_CLIENT,
265 IWL_MVM_REF_AP_IBSS,
266 IWL_MVM_REF_USER,
267 IWL_MVM_REF_TX,
268 IWL_MVM_REF_TX_AGG,
269 IWL_MVM_REF_ADD_IF,
270 IWL_MVM_REF_START_AP,
271 IWL_MVM_REF_BSS_CHANGED,
272 IWL_MVM_REF_PREPARE_TX,
273 IWL_MVM_REF_PROTECT_TDLS,
274 IWL_MVM_REF_CHECK_CTKILL,
275 IWL_MVM_REF_PRPH_READ,
276 IWL_MVM_REF_PRPH_WRITE,
277 IWL_MVM_REF_NMI,
278 IWL_MVM_REF_TM_CMD,
279 IWL_MVM_REF_EXIT_WORK,
280 IWL_MVM_REF_PROTECT_CSA,
281 IWL_MVM_REF_FW_DBG_COLLECT,
282
283 /* update debugfs.c when changing this */
284
285 IWL_MVM_REF_COUNT,
286 };
287
288 enum iwl_bt_force_ant_mode {
289 BT_FORCE_ANT_DIS = 0,
290 BT_FORCE_ANT_AUTO,
291 BT_FORCE_ANT_BT,
292 BT_FORCE_ANT_WIFI,
293
294 BT_FORCE_ANT_MAX,
295 };
296
297 /**
298 * struct iwl_mvm_vif_bf_data - beacon filtering related data
299 * @bf_enabled: indicates if beacon filtering is enabled
300 * @ba_enabled: indicated if beacon abort is enabled
301 * @ave_beacon_signal: average beacon signal
302 * @last_cqm_event: rssi of the last cqm event
303 * @bt_coex_min_thold: minimum threshold for BT coex
304 * @bt_coex_max_thold: maximum threshold for BT coex
305 * @last_bt_coex_event: rssi of the last BT coex event
306 */
307 struct iwl_mvm_vif_bf_data {
308 bool bf_enabled;
309 bool ba_enabled;
310 s8 ave_beacon_signal;
311 s8 last_cqm_event;
312 s8 bt_coex_min_thold;
313 s8 bt_coex_max_thold;
314 s8 last_bt_coex_event;
315 };
316
317 /**
318 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
319 * @id: between 0 and 3
320 * @color: to solve races upon MAC addition and removal
321 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
322 * @bssid: BSSID for this (client) interface
323 * @associated: indicates that we're currently associated, used only for
324 * managing the firmware state in iwl_mvm_bss_info_changed_station()
325 * @uploaded: indicates the MAC context has been added to the device
326 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
327 * should get quota etc.
328 * @pm_enabled - Indicate if MAC power management is allowed
329 * @monitor_active: indicates that monitor context is configured, and that the
330 * interface should get quota etc.
331 * @low_latency: indicates that this interface is in low-latency mode
332 * (VMACLowLatencyMode)
333 * @ps_disabled: indicates that this interface requires PS to be disabled
334 * @queue_params: QoS params for this MAC
335 * @bcast_sta: station used for broadcast packets. Used by the following
336 * vifs: P2P_DEVICE, GO and AP.
337 * @beacon_skb: the skb used to hold the AP/GO beacon template
338 * @smps_requests: the SMPS requests of differents parts of the driver,
339 * combined on update to yield the overall request to mac80211.
340 */
341 struct iwl_mvm_vif {
342 u16 id;
343 u16 color;
344 u8 ap_sta_id;
345
346 u8 bssid[ETH_ALEN];
347 bool associated;
348
349 bool uploaded;
350 bool ap_ibss_active;
351 bool pm_enabled;
352 bool monitor_active;
353 bool low_latency;
354 bool ps_disabled;
355 struct iwl_mvm_vif_bf_data bf_data;
356
357 u32 ap_beacon_time;
358
359 enum iwl_tsf_id tsf_id;
360
361 /*
362 * QoS data from mac80211, need to store this here
363 * as mac80211 has a separate callback but we need
364 * to have the data for the MAC context
365 */
366 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
367 struct iwl_mvm_time_event_data time_event_data;
368 struct iwl_mvm_time_event_data hs_time_event_data;
369
370 struct iwl_mvm_int_sta bcast_sta;
371
372 /*
373 * Assigned while mac80211 has the interface in a channel context,
374 * or, for P2P Device, while it exists.
375 */
376 struct iwl_mvm_phy_ctxt *phy_ctxt;
377
378 #ifdef CONFIG_PM_SLEEP
379 /* WoWLAN GTK rekey data */
380 struct {
381 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
382 __le64 replay_ctr;
383 bool valid;
384 } rekey_data;
385
386 int tx_key_idx;
387
388 bool seqno_valid;
389 u16 seqno;
390 #endif
391
392 #if IS_ENABLED(CONFIG_IPV6)
393 /* IPv6 addresses for WoWLAN */
394 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
395 int num_target_ipv6_addrs;
396 #endif
397
398 #ifdef CONFIG_IWLWIFI_DEBUGFS
399 struct iwl_mvm *mvm;
400 struct dentry *dbgfs_dir;
401 struct dentry *dbgfs_slink;
402 struct iwl_dbgfs_pm dbgfs_pm;
403 struct iwl_dbgfs_bf dbgfs_bf;
404 struct iwl_mac_power_cmd mac_pwr_cmd;
405 #endif
406
407 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
408
409 /* FW identified misbehaving AP */
410 u8 uapsd_misbehaving_bssid[ETH_ALEN];
411
412 /* Indicates that CSA countdown may be started */
413 bool csa_countdown;
414 };
415
416 static inline struct iwl_mvm_vif *
417 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
418 {
419 return (void *)vif->drv_priv;
420 }
421
422 extern const u8 tid_to_mac80211_ac[];
423
424 enum iwl_scan_status {
425 IWL_MVM_SCAN_NONE,
426 IWL_MVM_SCAN_OS,
427 IWL_MVM_SCAN_SCHED,
428 };
429
430 /**
431 * struct iwl_nvm_section - describes an NVM section in memory.
432 *
433 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
434 * and saved for later use by the driver. Not all NVM sections are saved
435 * this way, only the needed ones.
436 */
437 struct iwl_nvm_section {
438 u16 length;
439 const u8 *data;
440 };
441
442 /*
443 * Tx-backoff threshold
444 * @temperature: The threshold in Celsius
445 * @backoff: The tx-backoff in uSec
446 */
447 struct iwl_tt_tx_backoff {
448 s32 temperature;
449 u32 backoff;
450 };
451
452 #define TT_TX_BACKOFF_SIZE 6
453
454 /**
455 * struct iwl_tt_params - thermal throttling parameters
456 * @ct_kill_entry: CT Kill entry threshold
457 * @ct_kill_exit: CT Kill exit threshold
458 * @ct_kill_duration: The time intervals (in uSec) in which the driver needs
459 * to checks whether to exit CT Kill.
460 * @dynamic_smps_entry: Dynamic SMPS entry threshold
461 * @dynamic_smps_exit: Dynamic SMPS exit threshold
462 * @tx_protection_entry: TX protection entry threshold
463 * @tx_protection_exit: TX protection exit threshold
464 * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
465 * @support_ct_kill: Support CT Kill?
466 * @support_dynamic_smps: Support dynamic SMPS?
467 * @support_tx_protection: Support tx protection?
468 * @support_tx_backoff: Support tx-backoff?
469 */
470 struct iwl_tt_params {
471 s32 ct_kill_entry;
472 s32 ct_kill_exit;
473 u32 ct_kill_duration;
474 s32 dynamic_smps_entry;
475 s32 dynamic_smps_exit;
476 s32 tx_protection_entry;
477 s32 tx_protection_exit;
478 struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
479 bool support_ct_kill;
480 bool support_dynamic_smps;
481 bool support_tx_protection;
482 bool support_tx_backoff;
483 };
484
485 /**
486 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
487 * @ct_kill_exit: worker to exit thermal kill
488 * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
489 * @tx_backoff: The current thremal throttling tx backoff in uSec.
490 * @min_backoff: The minimal tx backoff due to power restrictions
491 * @params: Parameters to configure the thermal throttling algorithm.
492 * @throttle: Is thermal throttling is active?
493 */
494 struct iwl_mvm_tt_mgmt {
495 struct delayed_work ct_kill_exit;
496 bool dynamic_smps;
497 u32 tx_backoff;
498 u32 min_backoff;
499 const struct iwl_tt_params *params;
500 bool throttle;
501 };
502
503 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
504
505 struct iwl_mvm_frame_stats {
506 u32 legacy_frames;
507 u32 ht_frames;
508 u32 vht_frames;
509 u32 bw_20_frames;
510 u32 bw_40_frames;
511 u32 bw_80_frames;
512 u32 bw_160_frames;
513 u32 sgi_frames;
514 u32 ngi_frames;
515 u32 siso_frames;
516 u32 mimo2_frames;
517 u32 agg_frames;
518 u32 ampdu_count;
519 u32 success_frames;
520 u32 fail_frames;
521 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
522 int last_frame_idx;
523 };
524
525 enum {
526 D0I3_DEFER_WAKEUP,
527 D0I3_PENDING_WAKEUP,
528 };
529
530 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
531 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
532 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
533
534 enum iwl_mvm_tdls_cs_state {
535 IWL_MVM_TDLS_SW_IDLE = 0,
536 IWL_MVM_TDLS_SW_REQ_SENT,
537 IWL_MVM_TDLS_SW_RESP_RCVD,
538 IWL_MVM_TDLS_SW_REQ_RCVD,
539 IWL_MVM_TDLS_SW_ACTIVE,
540 };
541
542 struct iwl_mvm_shared_mem_cfg {
543 u32 shared_mem_addr;
544 u32 shared_mem_size;
545 u32 sample_buff_addr;
546 u32 sample_buff_size;
547 u32 txfifo_addr;
548 u32 txfifo_size[TX_FIFO_MAX_NUM];
549 u32 rxfifo_size[RX_FIFO_MAX_NUM];
550 u32 page_buff_addr;
551 u32 page_buff_size;
552 };
553
554 struct iwl_mvm {
555 /* for logger access */
556 struct device *dev;
557
558 struct iwl_trans *trans;
559 const struct iwl_fw *fw;
560 const struct iwl_cfg *cfg;
561 struct iwl_phy_db *phy_db;
562 struct ieee80211_hw *hw;
563
564 /* for protecting access to iwl_mvm */
565 struct mutex mutex;
566 struct list_head async_handlers_list;
567 spinlock_t async_handlers_lock;
568 struct work_struct async_handlers_wk;
569
570 struct work_struct roc_done_wk;
571
572 unsigned long status;
573
574 /*
575 * for beacon filtering -
576 * currently only one interface can be supported
577 */
578 struct iwl_mvm_vif *bf_allowed_vif;
579
580 enum iwl_ucode_type cur_ucode;
581 bool ucode_loaded;
582 bool init_ucode_complete;
583 bool calibrating;
584 u32 error_event_table;
585 u32 log_event_table;
586 u32 umac_error_event_table;
587 bool support_umac_log;
588 struct iwl_sf_region sf_space;
589
590 u32 ampdu_ref;
591
592 struct iwl_notif_wait_data notif_wait;
593
594 struct mvm_statistics_rx rx_stats;
595
596 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
597 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
598
599 const char *nvm_file_name;
600 struct iwl_nvm_data *nvm_data;
601 /* NVM sections */
602 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
603
604 /* EEPROM MAC addresses */
605 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
606
607 /* data related to data path */
608 struct iwl_rx_phy_info last_phy_info;
609 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
610 struct work_struct sta_drained_wk;
611 unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
612 atomic_t pending_frames[IWL_MVM_STATION_COUNT];
613 u32 tfd_drained[IWL_MVM_STATION_COUNT];
614 u8 rx_ba_sessions;
615
616 /* configured by mac80211 */
617 u32 rts_threshold;
618
619 /* Scan status, cmd (pre-allocated) and auxiliary station */
620 enum iwl_scan_status scan_status;
621 void *scan_cmd;
622 struct iwl_mcast_filter_cmd *mcast_filter_cmd;
623
624 /* UMAC scan tracking */
625 u32 scan_uid[IWL_MVM_MAX_SIMULTANEOUS_SCANS];
626 u8 scan_seq_num, sched_scan_seq_num;
627
628 /* rx chain antennas set through debugfs for the scan command */
629 u8 scan_rx_ant;
630
631 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
632 /* broadcast filters to configure for each associated station */
633 const struct iwl_fw_bcast_filter *bcast_filters;
634 #ifdef CONFIG_IWLWIFI_DEBUGFS
635 struct {
636 u32 override; /* u32 for debugfs_create_bool */
637 struct iwl_bcast_filter_cmd cmd;
638 } dbgfs_bcast_filtering;
639 #endif
640 #endif
641
642 /* Internal station */
643 struct iwl_mvm_int_sta aux_sta;
644
645 bool last_ebs_successful;
646
647 u8 scan_last_antenna_idx; /* to toggle TX between antennas */
648 u8 mgmt_last_antenna_idx;
649
650 /* last smart fifo state that was successfully sent to firmware */
651 enum iwl_sf_state sf_state;
652
653 #ifdef CONFIG_IWLWIFI_DEBUGFS
654 struct dentry *debugfs_dir;
655 u32 dbgfs_sram_offset, dbgfs_sram_len;
656 u32 dbgfs_prph_reg_addr;
657 bool disable_power_off;
658 bool disable_power_off_d3;
659
660 bool scan_iter_notif_enabled;
661
662 struct debugfs_blob_wrapper nvm_hw_blob;
663 struct debugfs_blob_wrapper nvm_sw_blob;
664 struct debugfs_blob_wrapper nvm_calib_blob;
665 struct debugfs_blob_wrapper nvm_prod_blob;
666
667 struct iwl_mvm_frame_stats drv_rx_stats;
668 spinlock_t drv_stats_lock;
669 #endif
670
671 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
672
673 struct list_head time_event_list;
674 spinlock_t time_event_lock;
675
676 /*
677 * A bitmap indicating the index of the key in use. The firmware
678 * can hold 16 keys at most. Reflect this fact.
679 */
680 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
681
682 /* references taken by the driver and spinlock protecting them */
683 spinlock_t refs_lock;
684 u8 refs[IWL_MVM_REF_COUNT];
685
686 u8 vif_count;
687
688 /* -1 for always, 0 for never, >0 for that many times */
689 s8 restart_fw;
690 struct work_struct fw_error_dump_wk;
691 enum iwl_fw_dbg_conf fw_dbg_conf;
692
693 #ifdef CONFIG_IWLWIFI_LEDS
694 struct led_classdev led;
695 #endif
696
697 struct ieee80211_vif *p2p_device_vif;
698
699 #ifdef CONFIG_PM_SLEEP
700 struct wiphy_wowlan_support wowlan;
701 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
702
703 /* sched scan settings for net detect */
704 struct cfg80211_sched_scan_request *nd_config;
705 struct ieee80211_scan_ies nd_ies;
706 struct cfg80211_match_set *nd_match_sets;
707 int n_nd_match_sets;
708 struct ieee80211_channel **nd_channels;
709 int n_nd_channels;
710 bool net_detect;
711 #ifdef CONFIG_IWLWIFI_DEBUGFS
712 u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
713 bool d3_test_active;
714 bool store_d3_resume_sram;
715 void *d3_resume_sram;
716 u32 d3_test_pme_ptr;
717 struct ieee80211_vif *keep_vif;
718 #endif
719 #endif
720
721 /* d0i3 */
722 u8 d0i3_ap_sta_id;
723 bool d0i3_offloading;
724 struct work_struct d0i3_exit_work;
725 struct sk_buff_head d0i3_tx;
726 /* protect d0i3_suspend_flags */
727 struct mutex d0i3_suspend_mutex;
728 unsigned long d0i3_suspend_flags;
729 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
730 spinlock_t d0i3_tx_lock;
731 wait_queue_head_t d0i3_exit_waitq;
732
733 /* BT-Coex */
734 u8 bt_ack_kill_msk[NUM_PHY_CTX];
735 u8 bt_cts_kill_msk[NUM_PHY_CTX];
736
737 struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
738 struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
739 struct iwl_bt_coex_profile_notif last_bt_notif;
740 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
741
742 u32 last_ant_isol;
743 u8 last_corun_lut;
744 u8 bt_tx_prio;
745 enum iwl_bt_force_ant_mode bt_force_ant_mode;
746
747 /* Aux ROC */
748 struct list_head aux_roc_te_list;
749
750 /* Thermal Throttling and CTkill */
751 struct iwl_mvm_tt_mgmt thermal_throttle;
752 s32 temperature; /* Celsius */
753 /*
754 * Debug option to set the NIC temperature. This option makes the
755 * driver think this is the actual NIC temperature, and ignore the
756 * real temperature that is received from the fw
757 */
758 bool temperature_test; /* Debug test temperature is enabled */
759
760 struct iwl_time_quota_cmd last_quota_cmd;
761
762 #ifdef CONFIG_NL80211_TESTMODE
763 u32 noa_duration;
764 struct ieee80211_vif *noa_vif;
765 #endif
766
767 /* Tx queues */
768 u8 aux_queue;
769 u8 first_agg_queue;
770 u8 last_agg_queue;
771
772 /* Indicate if device power save is allowed */
773 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
774
775 struct ieee80211_vif __rcu *csa_vif;
776 struct ieee80211_vif __rcu *csa_tx_blocked_vif;
777 u8 csa_tx_block_bcn_timeout;
778
779 /* system time of last beacon (for AP/GO interface) */
780 u32 ap_last_beacon_gp2;
781
782 u8 low_latency_agg_frame_limit;
783
784 /* TDLS channel switch data */
785 struct {
786 struct delayed_work dwork;
787 enum iwl_mvm_tdls_cs_state state;
788
789 /*
790 * Current cs sta - might be different from periodic cs peer
791 * station. Value is meaningless when the cs-state is idle.
792 */
793 u8 cur_sta_id;
794
795 /* TDLS periodic channel-switch peer */
796 struct {
797 u8 sta_id;
798 u8 op_class;
799 bool initiator; /* are we the link initiator */
800 struct cfg80211_chan_def chandef;
801 struct sk_buff *skb; /* ch sw template */
802 u32 ch_sw_tm_ie;
803
804 /* timestamp of last ch-sw request sent (GP2 time) */
805 u32 sent_timestamp;
806 } peer;
807 } tdls_cs;
808
809 struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
810 };
811
812 /* Extract MVM priv from op_mode and _hw */
813 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \
814 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
815
816 #define IWL_MAC80211_GET_MVM(_hw) \
817 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
818
819 enum iwl_mvm_status {
820 IWL_MVM_STATUS_HW_RFKILL,
821 IWL_MVM_STATUS_HW_CTKILL,
822 IWL_MVM_STATUS_ROC_RUNNING,
823 IWL_MVM_STATUS_IN_HW_RESTART,
824 IWL_MVM_STATUS_IN_D0I3,
825 IWL_MVM_STATUS_ROC_AUX_RUNNING,
826 IWL_MVM_STATUS_D3_RECONFIG,
827 };
828
829 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
830 {
831 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
832 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
833 }
834
835 /* Must be called with rcu_read_lock() held and it can only be
836 * released when mvmsta is not needed anymore.
837 */
838 static inline struct iwl_mvm_sta *
839 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
840 {
841 struct ieee80211_sta *sta;
842
843 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
844 return NULL;
845
846 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
847
848 /* This can happen if the station has been removed right now */
849 if (IS_ERR_OR_NULL(sta))
850 return NULL;
851
852 return iwl_mvm_sta_from_mac80211(sta);
853 }
854
855 static inline struct iwl_mvm_sta *
856 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
857 {
858 struct ieee80211_sta *sta;
859
860 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
861 return NULL;
862
863 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
864 lockdep_is_held(&mvm->mutex));
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 bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
874 {
875 return mvm->trans->cfg->d0i3 &&
876 mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
877 !iwlwifi_mod_params.d0i3_disable &&
878 (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
879 }
880
881 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
882 {
883 return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
884 }
885
886 extern const u8 iwl_mvm_ac_to_tx_fifo[];
887
888 struct iwl_rate_info {
889 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */
890 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */
891 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */
892 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */
893 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */
894 };
895
896 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
897 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
898
899 /******************
900 * MVM Methods
901 ******************/
902 /* uCode */
903 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
904
905 /* Utils */
906 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
907 enum ieee80211_band band);
908 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
909 enum ieee80211_band band,
910 struct ieee80211_tx_rate *r);
911 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
912 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
913 u8 first_antenna(u8 mask);
914 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
915
916 /* Tx / Host Commands */
917 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
918 struct iwl_host_cmd *cmd);
919 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
920 u32 flags, u16 len, const void *data);
921 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
922 struct iwl_host_cmd *cmd,
923 u32 *status);
924 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
925 u16 len, const void *data,
926 u32 *status);
927 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
928 struct ieee80211_sta *sta);
929 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
930 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
931 struct iwl_tx_cmd *tx_cmd,
932 struct ieee80211_tx_info *info, u8 sta_id);
933 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
934 struct ieee80211_tx_info *info,
935 struct iwl_tx_cmd *tx_cmd,
936 struct sk_buff *skb_frag);
937 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
938 struct ieee80211_tx_info *info,
939 struct ieee80211_sta *sta, __le16 fc);
940 #ifdef CONFIG_IWLWIFI_DEBUG
941 const char *iwl_mvm_get_tx_fail_reason(u32 status);
942 #else
943 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
944 #endif
945 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
946 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
947
948 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
949 {
950 flush_work(&mvm->async_handlers_wk);
951 }
952
953 /* Statistics */
954 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
955 struct iwl_rx_cmd_buffer *rxb,
956 struct iwl_device_cmd *cmd);
957 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
958 struct iwl_rx_cmd_buffer *rxb,
959 struct iwl_device_cmd *cmd);
960
961 /* NVM */
962 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
963 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
964
965 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
966 {
967 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
968 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
969 mvm->fw->valid_tx_ant;
970 }
971
972 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
973 {
974 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
975 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
976 mvm->fw->valid_rx_ant;
977 }
978
979 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
980 {
981 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
982 FW_PHY_CFG_RX_CHAIN);
983 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
984 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
985
986 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
987 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
988
989 return mvm->fw->phy_config & phy_config;
990 }
991
992 int iwl_mvm_up(struct iwl_mvm *mvm);
993 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
994
995 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
996 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
997 struct iwl_bcast_filter_cmd *cmd);
998
999 /*
1000 * FW notifications / CMD responses handlers
1001 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1002 */
1003 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1004 struct iwl_device_cmd *cmd);
1005 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1006 struct iwl_device_cmd *cmd);
1007 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1008 struct iwl_device_cmd *cmd);
1009 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1010 struct iwl_device_cmd *cmd);
1011 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1012 struct iwl_device_cmd *cmd);
1013 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1014 struct iwl_rx_cmd_buffer *rxb,
1015 struct iwl_device_cmd *cmd);
1016 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1017 struct iwl_device_cmd *cmd);
1018 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1019 struct iwl_rx_cmd_buffer *rxb,
1020 struct iwl_device_cmd *cmd);
1021 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1022 struct iwl_device_cmd *cmd);
1023 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1024 struct iwl_device_cmd *cmd);
1025 int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1026 struct iwl_rx_cmd_buffer *rxb,
1027 struct iwl_device_cmd *cmd);
1028
1029 /* MVM PHY */
1030 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1031 struct cfg80211_chan_def *chandef,
1032 u8 chains_static, u8 chains_dynamic);
1033 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1034 struct cfg80211_chan_def *chandef,
1035 u8 chains_static, u8 chains_dynamic);
1036 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1037 struct iwl_mvm_phy_ctxt *ctxt);
1038 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1039 struct iwl_mvm_phy_ctxt *ctxt);
1040 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1041 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1042 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1043
1044 /* MAC (virtual interface) programming */
1045 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1046 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1047 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1048 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1049 bool force_assoc_off, const u8 *bssid_override);
1050 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1051 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1052 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1053 struct ieee80211_vif *vif);
1054 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1055 struct iwl_rx_cmd_buffer *rxb,
1056 struct iwl_device_cmd *cmd);
1057 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1058 struct iwl_rx_cmd_buffer *rxb,
1059 struct iwl_device_cmd *cmd);
1060 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1061 struct ieee80211_vif *vif);
1062 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1063 struct ieee80211_vif *exclude_vif);
1064
1065 /* Bindings */
1066 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1067 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1068
1069 /* Quota management */
1070 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
1071 struct ieee80211_vif *disabled_vif);
1072
1073 /* Scanning */
1074 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1075 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
1076 struct ieee80211_vif *vif,
1077 struct cfg80211_scan_request *req);
1078 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1079 struct iwl_device_cmd *cmd);
1080 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1081 struct iwl_device_cmd *cmd);
1082 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1083 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1084
1085 /* Scheduled scan */
1086 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1087 struct iwl_rx_cmd_buffer *rxb,
1088 struct iwl_device_cmd *cmd);
1089 int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1090 struct iwl_rx_cmd_buffer *rxb,
1091 struct iwl_device_cmd *cmd);
1092 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
1093 struct ieee80211_vif *vif,
1094 struct cfg80211_sched_scan_request *req,
1095 struct ieee80211_scan_ies *ies);
1096 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1097 struct cfg80211_sched_scan_request *req);
1098 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1099 struct cfg80211_sched_scan_request *req);
1100 int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
1101 struct ieee80211_vif *vif,
1102 struct cfg80211_sched_scan_request *req,
1103 struct ieee80211_scan_ies *ies);
1104 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1105 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1106 struct iwl_rx_cmd_buffer *rxb,
1107 struct iwl_device_cmd *cmd);
1108
1109 /* Unified scan */
1110 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
1111 struct ieee80211_vif *vif,
1112 struct ieee80211_scan_request *req);
1113 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
1114 struct ieee80211_vif *vif,
1115 struct cfg80211_sched_scan_request *req,
1116 struct ieee80211_scan_ies *ies);
1117
1118 /* UMAC scan */
1119 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1120 int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1121 struct ieee80211_scan_request *req);
1122 int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1123 struct cfg80211_sched_scan_request *req,
1124 struct ieee80211_scan_ies *ies);
1125 int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1126 struct iwl_rx_cmd_buffer *rxb,
1127 struct iwl_device_cmd *cmd);
1128
1129 /* MVM debugfs */
1130 #ifdef CONFIG_IWLWIFI_DEBUGFS
1131 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1132 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1133 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1134 #else
1135 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1136 struct dentry *dbgfs_dir)
1137 {
1138 return 0;
1139 }
1140 static inline void
1141 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1142 {
1143 }
1144 static inline void
1145 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1146 {
1147 }
1148 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1149
1150 /* rate scaling */
1151 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1152 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1153 int rs_pretty_print_rate(char *buf, const u32 rate);
1154 void rs_update_last_rssi(struct iwl_mvm *mvm,
1155 struct iwl_lq_sta *lq_sta,
1156 struct ieee80211_rx_status *rx_status);
1157
1158 /* power management */
1159 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1160 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1161 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1162 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1163 char *buf, int bufsz);
1164
1165 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1166 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1167 struct iwl_rx_cmd_buffer *rxb,
1168 struct iwl_device_cmd *cmd);
1169
1170 #ifdef CONFIG_IWLWIFI_LEDS
1171 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1172 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1173 #else
1174 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1175 {
1176 return 0;
1177 }
1178 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1179 {
1180 }
1181 #endif
1182
1183 /* D3 (WoWLAN, NetDetect) */
1184 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1185 int iwl_mvm_resume(struct ieee80211_hw *hw);
1186 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1187 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1188 struct ieee80211_vif *vif,
1189 struct cfg80211_gtk_rekey_data *data);
1190 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1191 struct ieee80211_vif *vif,
1192 struct inet6_dev *idev);
1193 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1194 struct ieee80211_vif *vif, int idx);
1195 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1196 #ifdef CONFIG_PM_SLEEP
1197 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1198 struct ieee80211_vif *vif);
1199 #else
1200 static inline void
1201 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1202 {
1203 }
1204 #endif
1205 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1206 struct iwl_wowlan_config_cmd *cmd);
1207 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1208 struct ieee80211_vif *vif,
1209 bool disable_offloading,
1210 u32 cmd_flags);
1211
1212 /* D0i3 */
1213 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1214 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1215 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1216 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1217 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1218 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1219 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1220 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1221
1222 /* BT Coex */
1223 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1224 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1225 struct iwl_rx_cmd_buffer *rxb,
1226 struct iwl_device_cmd *cmd);
1227 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1228 enum ieee80211_rssi_event rssi_event);
1229 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1230 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1231 struct ieee80211_sta *sta);
1232 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1233 struct ieee80211_sta *sta);
1234 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1235 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1236 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1237 enum ieee80211_band band);
1238 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1239 struct ieee80211_tx_info *info, u8 ac);
1240
1241 bool iwl_mvm_bt_coex_is_ant_avail_old(struct iwl_mvm *mvm, u8 ant);
1242 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1243 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1244 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1245 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1246 struct iwl_rx_cmd_buffer *rxb,
1247 struct iwl_device_cmd *cmd);
1248 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1249 enum ieee80211_rssi_event rssi_event);
1250 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1251 struct ieee80211_sta *sta);
1252 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1253 struct ieee80211_sta *sta);
1254 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1255 enum ieee80211_band band);
1256 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1257 struct iwl_rx_cmd_buffer *rxb,
1258 struct iwl_device_cmd *cmd);
1259
1260 enum iwl_bt_kill_msk {
1261 BT_KILL_MSK_DEFAULT,
1262 BT_KILL_MSK_NEVER,
1263 BT_KILL_MSK_ALWAYS,
1264 BT_KILL_MSK_MAX,
1265 };
1266
1267 extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1268 extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1269 extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX];
1270
1271 /* beacon filtering */
1272 #ifdef CONFIG_IWLWIFI_DEBUGFS
1273 void
1274 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1275 struct iwl_beacon_filter_cmd *cmd);
1276 #else
1277 static inline void
1278 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1279 struct iwl_beacon_filter_cmd *cmd)
1280 {}
1281 #endif
1282 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1283 struct ieee80211_vif *vif,
1284 bool enable, u32 flags);
1285 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1286 struct ieee80211_vif *vif,
1287 u32 flags);
1288 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1289 struct ieee80211_vif *vif,
1290 u32 flags);
1291 /* SMPS */
1292 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1293 enum iwl_mvm_smps_type_request req_type,
1294 enum ieee80211_smps_mode smps_request);
1295 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1296
1297 /* Low latency */
1298 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1299 bool value);
1300 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1301 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1302 /* get VMACLowLatencyMode */
1303 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1304 {
1305 /*
1306 * should this consider associated/active/... state?
1307 *
1308 * Normally low-latency should only be active on interfaces
1309 * that are active, but at least with debugfs it can also be
1310 * enabled on interfaces that aren't active. However, when
1311 * interface aren't active then they aren't added into the
1312 * binding, so this has no real impact. For now, just return
1313 * the current desired low-latency state.
1314 */
1315
1316 return mvmvif->low_latency;
1317 }
1318
1319 /* hw scheduler queue config */
1320 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1321 const struct iwl_trans_txq_scd_cfg *cfg,
1322 unsigned int wdg_timeout);
1323 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1324
1325 static inline
1326 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1327 u8 fifo, unsigned int wdg_timeout)
1328 {
1329 struct iwl_trans_txq_scd_cfg cfg = {
1330 .fifo = fifo,
1331 .tid = IWL_MAX_TID_COUNT,
1332 .aggregate = false,
1333 .frame_limit = IWL_FRAME_LIMIT,
1334 };
1335
1336 iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1337 }
1338
1339 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1340 int fifo, int sta_id, int tid,
1341 int frame_limit, u16 ssn,
1342 unsigned int wdg_timeout)
1343 {
1344 struct iwl_trans_txq_scd_cfg cfg = {
1345 .fifo = fifo,
1346 .sta_id = sta_id,
1347 .tid = tid,
1348 .frame_limit = frame_limit,
1349 .aggregate = true,
1350 };
1351
1352 iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1353 }
1354
1355 /* Assoc status */
1356 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
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 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1362 struct iwl_rx_cmd_buffer *rxb,
1363 struct iwl_device_cmd *cmd);
1364 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1365 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1366 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1367 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1368 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1369
1370 /* smart fifo */
1371 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1372 bool added_vif);
1373
1374 /* TDLS */
1375
1376 /*
1377 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1378 * This TID is marked as used vs the AP and all connected TDLS peers.
1379 */
1380 #define IWL_MVM_TDLS_FW_TID 4
1381
1382 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1383 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1384 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1385 bool sta_added);
1386 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1387 struct ieee80211_vif *vif);
1388 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1389 struct ieee80211_vif *vif,
1390 struct ieee80211_sta *sta, u8 oper_class,
1391 struct cfg80211_chan_def *chandef,
1392 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1393 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1394 struct ieee80211_vif *vif,
1395 struct ieee80211_tdls_ch_sw_params *params);
1396 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1397 struct ieee80211_vif *vif,
1398 struct ieee80211_sta *sta);
1399 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1400 struct iwl_device_cmd *cmd);
1401 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1402
1403 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1404
1405 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1406 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1407
1408 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf id);
1409 void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm);
1410
1411 #endif /* __IWL_MVM_H__ */