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[deliverable/linux.git] / drivers / net / wireless / intel / 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 * Copyright(c) 2016 Intel Deutschland GmbH
11 *
12 * This program is free software; you can redistribute it and/or modify
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14 * published by the Free Software Foundation.
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17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
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22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * USA
25 *
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
28 *
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
32 *
33 * BSD LICENSE
34 *
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 Intel Deutschland GmbH
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63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 *
66 *****************************************************************************/
67
68 #ifndef __IWL_MVM_H__
69 #define __IWL_MVM_H__
70
71 #include <linux/list.h>
72 #include <linux/spinlock.h>
73 #include <linux/leds.h>
74 #include <linux/in6.h>
75
76 #ifdef CONFIG_THERMAL
77 #include <linux/thermal.h>
78 #endif
79
80 #include "iwl-op-mode.h"
81 #include "iwl-trans.h"
82 #include "iwl-notif-wait.h"
83 #include "iwl-eeprom-parse.h"
84 #include "iwl-fw-file.h"
85 #include "iwl-config.h"
86 #include "sta.h"
87 #include "fw-api.h"
88 #include "constants.h"
89 #include "tof.h"
90
91 #define IWL_MVM_MAX_ADDRESSES 5
92 /* RSSI offset for WkP */
93 #define IWL_RSSI_OFFSET 50
94 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
95 /* A TimeUnit is 1024 microsecond */
96 #define MSEC_TO_TU(_msec) (_msec*1000/1024)
97
98 /* For GO, this value represents the number of TUs before CSA "beacon
99 * 0" TBTT when the CSA time-event needs to be scheduled to start. It
100 * must be big enough to ensure that we switch in time.
101 */
102 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO 40
103
104 /* For client, this value represents the number of TUs before CSA
105 * "beacon 1" TBTT, instead. This is because we don't know when the
106 * GO/AP will be in the new channel, so we switch early enough.
107 */
108 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT 10
109
110 /*
111 * This value (in TUs) is used to fine tune the CSA NoA end time which should
112 * be just before "beacon 0" TBTT.
113 */
114 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
115
116 /*
117 * Number of beacons to transmit on a new channel until we unblock tx to
118 * the stations, even if we didn't identify them on a new channel
119 */
120 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
121
122 extern const struct ieee80211_ops iwl_mvm_hw_ops;
123
124 /**
125 * struct iwl_mvm_mod_params - module parameters for iwlmvm
126 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
127 * We will register to mac80211 to have testmode working. The NIC must not
128 * be up'ed after the INIT fw asserted. This is useful to be able to use
129 * proprietary tools over testmode to debug the INIT fw.
130 * @tfd_q_hang_detect: enabled the detection of hung transmit queues
131 * @power_scheme: one of enum iwl_power_scheme
132 */
133 struct iwl_mvm_mod_params {
134 bool init_dbg;
135 bool tfd_q_hang_detect;
136 int power_scheme;
137 };
138 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
139
140 /**
141 * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
142 *
143 * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
144 * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
145 * transport's data.
146 * @trans_len: length of the valid data in trans_ptr
147 * @op_mode_len: length of the valid data in op_mode_ptr
148 */
149 struct iwl_mvm_dump_ptrs {
150 struct iwl_trans_dump_data *trans_ptr;
151 void *op_mode_ptr;
152 u32 op_mode_len;
153 };
154
155 /**
156 * struct iwl_mvm_dump_desc - describes the dump
157 * @len: length of trig_desc->data
158 * @trig_desc: the description of the dump
159 */
160 struct iwl_mvm_dump_desc {
161 size_t len;
162 /* must be last */
163 struct iwl_fw_error_dump_trigger_desc trig_desc;
164 };
165
166 extern const struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
167
168 struct iwl_mvm_phy_ctxt {
169 u16 id;
170 u16 color;
171 u32 ref;
172
173 /*
174 * TODO: This should probably be removed. Currently here only for rate
175 * scaling algorithm
176 */
177 struct ieee80211_channel *channel;
178 };
179
180 struct iwl_mvm_time_event_data {
181 struct ieee80211_vif *vif;
182 struct list_head list;
183 unsigned long end_jiffies;
184 u32 duration;
185 bool running;
186 u32 uid;
187
188 /*
189 * The access to the 'id' field must be done when the
190 * mvm->time_event_lock is held, as it value is used to indicate
191 * if the te is in the time event list or not (when id == TE_MAX)
192 */
193 u32 id;
194 };
195
196 /* Power management */
197
198 /**
199 * enum iwl_power_scheme
200 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
201 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
202 * @IWL_POWER_LEVEL_LP - Low Power
203 */
204 enum iwl_power_scheme {
205 IWL_POWER_SCHEME_CAM = 1,
206 IWL_POWER_SCHEME_BPS,
207 IWL_POWER_SCHEME_LP
208 };
209
210 #define IWL_CONN_MAX_LISTEN_INTERVAL 10
211 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
212
213 #ifdef CONFIG_IWLWIFI_DEBUGFS
214 enum iwl_dbgfs_pm_mask {
215 MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
216 MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
217 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
218 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
219 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
220 MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
221 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
222 MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
223 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
224 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
225 };
226
227 struct iwl_dbgfs_pm {
228 u16 keep_alive_seconds;
229 u32 rx_data_timeout;
230 u32 tx_data_timeout;
231 bool skip_over_dtim;
232 u8 skip_dtim_periods;
233 bool lprx_ena;
234 u32 lprx_rssi_threshold;
235 bool snooze_ena;
236 bool uapsd_misbehaving;
237 bool use_ps_poll;
238 int mask;
239 };
240
241 /* beacon filtering */
242
243 enum iwl_dbgfs_bf_mask {
244 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
245 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
246 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
247 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
248 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
249 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
250 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
251 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
252 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
253 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
254 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
255 };
256
257 struct iwl_dbgfs_bf {
258 u32 bf_energy_delta;
259 u32 bf_roaming_energy_delta;
260 u32 bf_roaming_state;
261 u32 bf_temp_threshold;
262 u32 bf_temp_fast_filter;
263 u32 bf_temp_slow_filter;
264 u32 bf_enable_beacon_filter;
265 u32 bf_debug_flag;
266 u32 bf_escape_timer;
267 u32 ba_escape_timer;
268 u32 ba_enable_beacon_abort;
269 int mask;
270 };
271 #endif
272
273 enum iwl_mvm_smps_type_request {
274 IWL_MVM_SMPS_REQ_BT_COEX,
275 IWL_MVM_SMPS_REQ_TT,
276 IWL_MVM_SMPS_REQ_PROT,
277 NUM_IWL_MVM_SMPS_REQ,
278 };
279
280 enum iwl_mvm_ref_type {
281 IWL_MVM_REF_UCODE_DOWN,
282 IWL_MVM_REF_SCAN,
283 IWL_MVM_REF_ROC,
284 IWL_MVM_REF_ROC_AUX,
285 IWL_MVM_REF_P2P_CLIENT,
286 IWL_MVM_REF_AP_IBSS,
287 IWL_MVM_REF_USER,
288 IWL_MVM_REF_TX,
289 IWL_MVM_REF_TX_AGG,
290 IWL_MVM_REF_ADD_IF,
291 IWL_MVM_REF_START_AP,
292 IWL_MVM_REF_BSS_CHANGED,
293 IWL_MVM_REF_PREPARE_TX,
294 IWL_MVM_REF_PROTECT_TDLS,
295 IWL_MVM_REF_CHECK_CTKILL,
296 IWL_MVM_REF_PRPH_READ,
297 IWL_MVM_REF_PRPH_WRITE,
298 IWL_MVM_REF_NMI,
299 IWL_MVM_REF_TM_CMD,
300 IWL_MVM_REF_EXIT_WORK,
301 IWL_MVM_REF_PROTECT_CSA,
302 IWL_MVM_REF_FW_DBG_COLLECT,
303 IWL_MVM_REF_INIT_UCODE,
304 IWL_MVM_REF_SENDING_CMD,
305 IWL_MVM_REF_RX,
306
307 /* update debugfs.c when changing this */
308
309 IWL_MVM_REF_COUNT,
310 };
311
312 enum iwl_bt_force_ant_mode {
313 BT_FORCE_ANT_DIS = 0,
314 BT_FORCE_ANT_AUTO,
315 BT_FORCE_ANT_BT,
316 BT_FORCE_ANT_WIFI,
317
318 BT_FORCE_ANT_MAX,
319 };
320
321 /**
322 * struct iwl_mvm_vif_bf_data - beacon filtering related data
323 * @bf_enabled: indicates if beacon filtering is enabled
324 * @ba_enabled: indicated if beacon abort is enabled
325 * @ave_beacon_signal: average beacon signal
326 * @last_cqm_event: rssi of the last cqm event
327 * @bt_coex_min_thold: minimum threshold for BT coex
328 * @bt_coex_max_thold: maximum threshold for BT coex
329 * @last_bt_coex_event: rssi of the last BT coex event
330 */
331 struct iwl_mvm_vif_bf_data {
332 bool bf_enabled;
333 bool ba_enabled;
334 int ave_beacon_signal;
335 int last_cqm_event;
336 int bt_coex_min_thold;
337 int bt_coex_max_thold;
338 int last_bt_coex_event;
339 };
340
341 /**
342 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
343 * @id: between 0 and 3
344 * @color: to solve races upon MAC addition and removal
345 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
346 * @bssid: BSSID for this (client) interface
347 * @associated: indicates that we're currently associated, used only for
348 * managing the firmware state in iwl_mvm_bss_info_changed_station()
349 * @ap_assoc_sta_count: count of stations associated to us - valid only
350 * if VIF type is AP
351 * @uploaded: indicates the MAC context has been added to the device
352 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
353 * should get quota etc.
354 * @pm_enabled - Indicate if MAC power management is allowed
355 * @monitor_active: indicates that monitor context is configured, and that the
356 * interface should get quota etc.
357 * @low_latency_traffic: indicates low latency traffic was detected
358 * @low_latency_dbgfs: low latency mode set from debugfs
359 * @low_latency_vcmd: low latency mode set from vendor command
360 * @ps_disabled: indicates that this interface requires PS to be disabled
361 * @queue_params: QoS params for this MAC
362 * @bcast_sta: station used for broadcast packets. Used by the following
363 * vifs: P2P_DEVICE, GO and AP.
364 * @beacon_skb: the skb used to hold the AP/GO beacon template
365 * @smps_requests: the SMPS requests of different parts of the driver,
366 * combined on update to yield the overall request to mac80211.
367 * @beacon_stats: beacon statistics, containing the # of received beacons,
368 * # of received beacons accumulated over FW restart, and the current
369 * average signal of beacons retrieved from the firmware
370 * @csa_failed: CSA failed to schedule time event, report an error later
371 * @features: hw features active for this vif
372 */
373 struct iwl_mvm_vif {
374 struct iwl_mvm *mvm;
375 u16 id;
376 u16 color;
377 u8 ap_sta_id;
378
379 u8 bssid[ETH_ALEN];
380 bool associated;
381 u8 ap_assoc_sta_count;
382
383 bool uploaded;
384 bool ap_ibss_active;
385 bool pm_enabled;
386 bool monitor_active;
387 bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd;
388 bool ps_disabled;
389 struct iwl_mvm_vif_bf_data bf_data;
390
391 struct {
392 u32 num_beacons, accu_num_beacons;
393 u8 avg_signal;
394 } beacon_stats;
395
396 u32 ap_beacon_time;
397
398 enum iwl_tsf_id tsf_id;
399
400 /*
401 * QoS data from mac80211, need to store this here
402 * as mac80211 has a separate callback but we need
403 * to have the data for the MAC context
404 */
405 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
406 struct iwl_mvm_time_event_data time_event_data;
407 struct iwl_mvm_time_event_data hs_time_event_data;
408
409 struct iwl_mvm_int_sta bcast_sta;
410
411 /*
412 * Assigned while mac80211 has the interface in a channel context,
413 * or, for P2P Device, while it exists.
414 */
415 struct iwl_mvm_phy_ctxt *phy_ctxt;
416
417 #ifdef CONFIG_PM
418 /* WoWLAN GTK rekey data */
419 struct {
420 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
421 __le64 replay_ctr;
422 bool valid;
423 } rekey_data;
424
425 int tx_key_idx;
426
427 bool seqno_valid;
428 u16 seqno;
429 #endif
430
431 #if IS_ENABLED(CONFIG_IPV6)
432 /* IPv6 addresses for WoWLAN */
433 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
434 unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
435 int num_target_ipv6_addrs;
436 #endif
437
438 #ifdef CONFIG_IWLWIFI_DEBUGFS
439 struct dentry *dbgfs_dir;
440 struct dentry *dbgfs_slink;
441 struct iwl_dbgfs_pm dbgfs_pm;
442 struct iwl_dbgfs_bf dbgfs_bf;
443 struct iwl_mac_power_cmd mac_pwr_cmd;
444 int dbgfs_quota_min;
445 #endif
446
447 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
448
449 /* FW identified misbehaving AP */
450 u8 uapsd_misbehaving_bssid[ETH_ALEN];
451
452 /* Indicates that CSA countdown may be started */
453 bool csa_countdown;
454 bool csa_failed;
455 u16 csa_target_freq;
456
457 /* TCP Checksum Offload */
458 netdev_features_t features;
459
460 /*
461 * link quality measurement - used to check whether this interface
462 * is in the middle of a link quality measurement
463 */
464 bool lqm_active;
465 };
466
467 static inline struct iwl_mvm_vif *
468 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
469 {
470 return (void *)vif->drv_priv;
471 }
472
473 extern const u8 tid_to_mac80211_ac[];
474
475 #define IWL_MVM_SCAN_STOPPING_SHIFT 8
476
477 enum iwl_scan_status {
478 IWL_MVM_SCAN_REGULAR = BIT(0),
479 IWL_MVM_SCAN_SCHED = BIT(1),
480 IWL_MVM_SCAN_NETDETECT = BIT(2),
481
482 IWL_MVM_SCAN_STOPPING_REGULAR = BIT(8),
483 IWL_MVM_SCAN_STOPPING_SCHED = BIT(9),
484 IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
485
486 IWL_MVM_SCAN_REGULAR_MASK = IWL_MVM_SCAN_REGULAR |
487 IWL_MVM_SCAN_STOPPING_REGULAR,
488 IWL_MVM_SCAN_SCHED_MASK = IWL_MVM_SCAN_SCHED |
489 IWL_MVM_SCAN_STOPPING_SCHED,
490 IWL_MVM_SCAN_NETDETECT_MASK = IWL_MVM_SCAN_NETDETECT |
491 IWL_MVM_SCAN_STOPPING_NETDETECT,
492
493 IWL_MVM_SCAN_STOPPING_MASK = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
494 IWL_MVM_SCAN_MASK = 0xff,
495 };
496
497 enum iwl_mvm_scan_type {
498 IWL_SCAN_TYPE_NOT_SET,
499 IWL_SCAN_TYPE_UNASSOC,
500 IWL_SCAN_TYPE_WILD,
501 IWL_SCAN_TYPE_MILD,
502 IWL_SCAN_TYPE_FRAGMENTED,
503 };
504
505 enum iwl_mvm_sched_scan_pass_all_states {
506 SCHED_SCAN_PASS_ALL_DISABLED,
507 SCHED_SCAN_PASS_ALL_ENABLED,
508 SCHED_SCAN_PASS_ALL_FOUND,
509 };
510
511 /**
512 * struct iwl_nvm_section - describes an NVM section in memory.
513 *
514 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
515 * and saved for later use by the driver. Not all NVM sections are saved
516 * this way, only the needed ones.
517 */
518 struct iwl_nvm_section {
519 u16 length;
520 const u8 *data;
521 };
522
523 /**
524 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
525 * @ct_kill_exit: worker to exit thermal kill
526 * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
527 * @tx_backoff: The current thremal throttling tx backoff in uSec.
528 * @min_backoff: The minimal tx backoff due to power restrictions
529 * @params: Parameters to configure the thermal throttling algorithm.
530 * @throttle: Is thermal throttling is active?
531 */
532 struct iwl_mvm_tt_mgmt {
533 struct delayed_work ct_kill_exit;
534 bool dynamic_smps;
535 u32 tx_backoff;
536 u32 min_backoff;
537 struct iwl_tt_params params;
538 bool throttle;
539 };
540
541 #ifdef CONFIG_THERMAL
542 /**
543 *struct iwl_mvm_thermal_device - thermal zone related data
544 * @temp_trips: temperature thresholds for report
545 * @fw_trips_index: keep indexes to original array - temp_trips
546 * @tzone: thermal zone device data
547 */
548 struct iwl_mvm_thermal_device {
549 s16 temp_trips[IWL_MAX_DTS_TRIPS];
550 u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
551 struct thermal_zone_device *tzone;
552 };
553
554 /*
555 * struct iwl_mvm_cooling_device
556 * @cur_state: current state
557 * @cdev: struct thermal cooling device
558 */
559 struct iwl_mvm_cooling_device {
560 u32 cur_state;
561 struct thermal_cooling_device *cdev;
562 };
563 #endif
564
565 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
566
567 struct iwl_mvm_frame_stats {
568 u32 legacy_frames;
569 u32 ht_frames;
570 u32 vht_frames;
571 u32 bw_20_frames;
572 u32 bw_40_frames;
573 u32 bw_80_frames;
574 u32 bw_160_frames;
575 u32 sgi_frames;
576 u32 ngi_frames;
577 u32 siso_frames;
578 u32 mimo2_frames;
579 u32 agg_frames;
580 u32 ampdu_count;
581 u32 success_frames;
582 u32 fail_frames;
583 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
584 int last_frame_idx;
585 };
586
587 enum {
588 D0I3_DEFER_WAKEUP,
589 D0I3_PENDING_WAKEUP,
590 };
591
592 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
593 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
594 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
595
596 enum iwl_mvm_tdls_cs_state {
597 IWL_MVM_TDLS_SW_IDLE = 0,
598 IWL_MVM_TDLS_SW_REQ_SENT,
599 IWL_MVM_TDLS_SW_RESP_RCVD,
600 IWL_MVM_TDLS_SW_REQ_RCVD,
601 IWL_MVM_TDLS_SW_ACTIVE,
602 };
603
604 struct iwl_mvm_shared_mem_cfg {
605 u32 shared_mem_addr;
606 u32 shared_mem_size;
607 u32 sample_buff_addr;
608 u32 sample_buff_size;
609 u32 txfifo_addr;
610 u32 txfifo_size[TX_FIFO_MAX_NUM];
611 u32 rxfifo_size[RX_FIFO_MAX_NUM];
612 u32 page_buff_addr;
613 u32 page_buff_size;
614 u32 rxfifo_addr;
615 u32 internal_txfifo_addr;
616 u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
617 };
618
619 /**
620 * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer
621 * @head_sn: reorder window head sn
622 * @num_stored: number of mpdus stored in the buffer
623 * @buf_size: the reorder buffer size as set by the last addba request
624 * @sta_id: sta id of this reorder buffer
625 * @queue: queue of this reorder buffer
626 * @last_amsdu: track last ASMDU SN for duplication detection
627 * @last_sub_index: track ASMDU sub frame index for duplication detection
628 * @entries: list of skbs stored
629 * @reorder_time: time the packet was stored in the reorder buffer
630 * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU
631 * it is the time of last received sub-frame
632 * @removed: prevent timer re-arming
633 * @lock: protect reorder buffer internal state
634 * @mvm: mvm pointer, needed for frame timer context
635 */
636 struct iwl_mvm_reorder_buffer {
637 u16 head_sn;
638 u16 num_stored;
639 u8 buf_size;
640 u8 sta_id;
641 int queue;
642 u16 last_amsdu;
643 u8 last_sub_index;
644 struct sk_buff_head entries[IEEE80211_MAX_AMPDU_BUF];
645 unsigned long reorder_time[IEEE80211_MAX_AMPDU_BUF];
646 struct timer_list reorder_timer;
647 bool removed;
648 spinlock_t lock;
649 struct iwl_mvm *mvm;
650 } ____cacheline_aligned_in_smp;
651
652 /**
653 * struct iwl_mvm_baid_data - BA session data
654 * @sta_id: station id
655 * @tid: tid of the session
656 * @baid baid of the session
657 * @timeout: the timeout set in the addba request
658 * @last_rx: last rx jiffies, updated only if timeout passed from last update
659 * @session_timer: timer to check if BA session expired, runs at 2 * timeout
660 * @mvm: mvm pointer, needed for timer context
661 * @reorder_buf: reorder buffer, allocated per queue
662 */
663 struct iwl_mvm_baid_data {
664 struct rcu_head rcu_head;
665 u8 sta_id;
666 u8 tid;
667 u8 baid;
668 u16 timeout;
669 unsigned long last_rx;
670 struct timer_list session_timer;
671 struct iwl_mvm *mvm;
672 struct iwl_mvm_reorder_buffer reorder_buf[];
673 };
674
675 /*
676 * enum iwl_mvm_queue_status - queue status
677 * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved
678 * Basically, this means that this queue can be used for any purpose
679 * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use
680 * This is the state of a queue that has been dedicated for some RATID
681 * (agg'd or not), but that hasn't yet gone through the actual enablement
682 * of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet.
683 * Note that in this state there is no requirement to already know what TID
684 * should be used with this queue, it is just marked as a queue that will
685 * be used, and shouldn't be allocated to anyone else.
686 * @IWL_MVM_QUEUE_READY: queue is ready to be used
687 * This is the state of a queue that has been fully configured (including
688 * SCD pointers, etc), has a specific RA/TID assigned to it, and can be
689 * used to send traffic.
690 * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared
691 * This is a state in which a single queue serves more than one TID, all of
692 * which are not aggregated. Note that the queue is only associated to one
693 * RA.
694 * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it
695 * This is a state of a queue that has had traffic on it, but during the
696 * last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on
697 * it. In this state, when a new queue is needed to be allocated but no
698 * such free queue exists, an inactive queue might be freed and given to
699 * the new RA/TID.
700 */
701 enum iwl_mvm_queue_status {
702 IWL_MVM_QUEUE_FREE,
703 IWL_MVM_QUEUE_RESERVED,
704 IWL_MVM_QUEUE_READY,
705 IWL_MVM_QUEUE_SHARED,
706 IWL_MVM_QUEUE_INACTIVE,
707 };
708
709 #define IWL_MVM_DQA_QUEUE_TIMEOUT (5 * HZ)
710 #define IWL_MVM_NUM_CIPHERS 8
711
712 struct iwl_mvm {
713 /* for logger access */
714 struct device *dev;
715
716 struct iwl_trans *trans;
717 const struct iwl_fw *fw;
718 const struct iwl_cfg *cfg;
719 struct iwl_phy_db *phy_db;
720 struct ieee80211_hw *hw;
721
722 /* for protecting access to iwl_mvm */
723 struct mutex mutex;
724 struct list_head async_handlers_list;
725 spinlock_t async_handlers_lock;
726 struct work_struct async_handlers_wk;
727
728 struct work_struct roc_done_wk;
729
730 unsigned long status;
731
732 u32 queue_sync_cookie;
733 atomic_t queue_sync_counter;
734 /*
735 * for beacon filtering -
736 * currently only one interface can be supported
737 */
738 struct iwl_mvm_vif *bf_allowed_vif;
739
740 enum iwl_ucode_type cur_ucode;
741 bool ucode_loaded;
742 bool calibrating;
743 u32 error_event_table;
744 u32 log_event_table;
745 u32 umac_error_event_table;
746 bool support_umac_log;
747 struct iwl_sf_region sf_space;
748
749 u32 ampdu_ref;
750 bool ampdu_toggle;
751
752 struct iwl_notif_wait_data notif_wait;
753
754 struct mvm_statistics_rx rx_stats;
755
756 struct {
757 u64 rx_time;
758 u64 tx_time;
759 u64 on_time_rf;
760 u64 on_time_scan;
761 } radio_stats, accu_radio_stats;
762
763 struct {
764 /* Map to HW queue */
765 u32 hw_queue_to_mac80211;
766 u8 hw_queue_refcount;
767 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */
768 bool reserved; /* Is this the TXQ reserved for a STA */
769 u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */
770 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
771 /* Timestamp for inactivation per TID of this queue */
772 unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1];
773 enum iwl_mvm_queue_status status;
774 } queue_info[IWL_MAX_HW_QUEUES];
775 spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
776 struct work_struct add_stream_wk; /* To add streams to queues */
777
778 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
779
780 const char *nvm_file_name;
781 struct iwl_nvm_data *nvm_data;
782 /* NVM sections */
783 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
784
785 /* Paging section */
786 struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
787 u16 num_of_paging_blk;
788 u16 num_of_pages_in_last_blk;
789
790 /* EEPROM MAC addresses */
791 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
792
793 /* data related to data path */
794 struct iwl_rx_phy_info last_phy_info;
795 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
796 struct work_struct sta_drained_wk;
797 unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
798 unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
799 atomic_t pending_frames[IWL_MVM_STATION_COUNT];
800 u32 tfd_drained[IWL_MVM_STATION_COUNT];
801 u8 rx_ba_sessions;
802
803 /* configured by mac80211 */
804 u32 rts_threshold;
805
806 /* Scan status, cmd (pre-allocated) and auxiliary station */
807 unsigned int scan_status;
808 void *scan_cmd;
809 struct iwl_mcast_filter_cmd *mcast_filter_cmd;
810 enum iwl_mvm_scan_type scan_type;
811 enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
812 struct delayed_work scan_timeout_dwork;
813
814 /* max number of simultaneous scans the FW supports */
815 unsigned int max_scans;
816
817 /* ts of the beginning of a non-collect fw dbg data period */
818 unsigned long fw_dbg_non_collect_ts_start[FW_DBG_TRIGGER_MAX - 1];
819
820 /* UMAC scan tracking */
821 u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
822
823 /* rx chain antennas set through debugfs for the scan command */
824 u8 scan_rx_ant;
825
826 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
827 /* broadcast filters to configure for each associated station */
828 const struct iwl_fw_bcast_filter *bcast_filters;
829 #ifdef CONFIG_IWLWIFI_DEBUGFS
830 struct {
831 bool override;
832 struct iwl_bcast_filter_cmd cmd;
833 } dbgfs_bcast_filtering;
834 #endif
835 #endif
836
837 /* Internal station */
838 struct iwl_mvm_int_sta aux_sta;
839 struct iwl_mvm_int_sta snif_sta;
840
841 bool last_ebs_successful;
842
843 u8 scan_last_antenna_idx; /* to toggle TX between antennas */
844 u8 mgmt_last_antenna_idx;
845
846 /* last smart fifo state that was successfully sent to firmware */
847 enum iwl_sf_state sf_state;
848
849 #ifdef CONFIG_IWLWIFI_DEBUGFS
850 struct dentry *debugfs_dir;
851 u32 dbgfs_sram_offset, dbgfs_sram_len;
852 u32 dbgfs_prph_reg_addr;
853 bool disable_power_off;
854 bool disable_power_off_d3;
855
856 bool scan_iter_notif_enabled;
857
858 struct debugfs_blob_wrapper nvm_hw_blob;
859 struct debugfs_blob_wrapper nvm_sw_blob;
860 struct debugfs_blob_wrapper nvm_calib_blob;
861 struct debugfs_blob_wrapper nvm_prod_blob;
862 struct debugfs_blob_wrapper nvm_phy_sku_blob;
863
864 struct iwl_mvm_frame_stats drv_rx_stats;
865 spinlock_t drv_stats_lock;
866 u16 dbgfs_rx_phyinfo;
867 #endif
868
869 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
870
871 struct list_head time_event_list;
872 spinlock_t time_event_lock;
873
874 /*
875 * A bitmap indicating the index of the key in use. The firmware
876 * can hold 16 keys at most. Reflect this fact.
877 */
878 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
879 u8 fw_key_deleted[STA_KEY_MAX_NUM];
880
881 /* references taken by the driver and spinlock protecting them */
882 spinlock_t refs_lock;
883 u8 refs[IWL_MVM_REF_COUNT];
884
885 u8 vif_count;
886
887 /* -1 for always, 0 for never, >0 for that many times */
888 s8 restart_fw;
889 u8 fw_dbg_conf;
890 struct delayed_work fw_dump_wk;
891 const struct iwl_mvm_dump_desc *fw_dump_desc;
892 const struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
893
894 #ifdef CONFIG_IWLWIFI_LEDS
895 struct led_classdev led;
896 #endif
897
898 struct ieee80211_vif *p2p_device_vif;
899
900 #ifdef CONFIG_PM
901 struct wiphy_wowlan_support wowlan;
902 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
903
904 /* sched scan settings for net detect */
905 struct ieee80211_scan_ies nd_ies;
906 struct cfg80211_match_set *nd_match_sets;
907 int n_nd_match_sets;
908 struct ieee80211_channel **nd_channels;
909 int n_nd_channels;
910 bool net_detect;
911 #ifdef CONFIG_IWLWIFI_DEBUGFS
912 bool d3_wake_sysassert;
913 bool d3_test_active;
914 bool store_d3_resume_sram;
915 void *d3_resume_sram;
916 u32 d3_test_pme_ptr;
917 struct ieee80211_vif *keep_vif;
918 u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
919 #endif
920 #endif
921
922 /* d0i3 */
923 u8 d0i3_ap_sta_id;
924 bool d0i3_offloading;
925 struct work_struct d0i3_exit_work;
926 struct sk_buff_head d0i3_tx;
927 /* protect d0i3_suspend_flags */
928 struct mutex d0i3_suspend_mutex;
929 unsigned long d0i3_suspend_flags;
930 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
931 spinlock_t d0i3_tx_lock;
932 wait_queue_head_t d0i3_exit_waitq;
933
934 /* BT-Coex */
935 struct iwl_bt_coex_profile_notif last_bt_notif;
936 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
937
938 u32 last_ant_isol;
939 u8 last_corun_lut;
940 u8 bt_tx_prio;
941 enum iwl_bt_force_ant_mode bt_force_ant_mode;
942
943 /* Aux ROC */
944 struct list_head aux_roc_te_list;
945
946 /* Thermal Throttling and CTkill */
947 struct iwl_mvm_tt_mgmt thermal_throttle;
948 #ifdef CONFIG_THERMAL
949 struct iwl_mvm_thermal_device tz_device;
950 struct iwl_mvm_cooling_device cooling_dev;
951 #endif
952
953 s32 temperature; /* Celsius */
954 /*
955 * Debug option to set the NIC temperature. This option makes the
956 * driver think this is the actual NIC temperature, and ignore the
957 * real temperature that is received from the fw
958 */
959 bool temperature_test; /* Debug test temperature is enabled */
960
961 struct iwl_time_quota_cmd last_quota_cmd;
962
963 #ifdef CONFIG_NL80211_TESTMODE
964 u32 noa_duration;
965 struct ieee80211_vif *noa_vif;
966 #endif
967
968 /* Tx queues */
969 u8 aux_queue;
970 u8 first_agg_queue;
971 u8 last_agg_queue;
972
973 /* Indicate if device power save is allowed */
974 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
975 unsigned int max_amsdu_len; /* used for debugfs only */
976
977 struct ieee80211_vif __rcu *csa_vif;
978 struct ieee80211_vif __rcu *csa_tx_blocked_vif;
979 u8 csa_tx_block_bcn_timeout;
980
981 /* system time of last beacon (for AP/GO interface) */
982 u32 ap_last_beacon_gp2;
983
984 bool lar_regdom_set;
985 enum iwl_mcc_source mcc_src;
986
987 /* TDLS channel switch data */
988 struct {
989 struct delayed_work dwork;
990 enum iwl_mvm_tdls_cs_state state;
991
992 /*
993 * Current cs sta - might be different from periodic cs peer
994 * station. Value is meaningless when the cs-state is idle.
995 */
996 u8 cur_sta_id;
997
998 /* TDLS periodic channel-switch peer */
999 struct {
1000 u8 sta_id;
1001 u8 op_class;
1002 bool initiator; /* are we the link initiator */
1003 struct cfg80211_chan_def chandef;
1004 struct sk_buff *skb; /* ch sw template */
1005 u32 ch_sw_tm_ie;
1006
1007 /* timestamp of last ch-sw request sent (GP2 time) */
1008 u32 sent_timestamp;
1009 } peer;
1010 } tdls_cs;
1011
1012 struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
1013
1014 u32 ciphers[IWL_MVM_NUM_CIPHERS];
1015 struct iwl_mvm_tof_data tof_data;
1016
1017 struct ieee80211_vif *nan_vif;
1018 #define IWL_MAX_BAID 32
1019 struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
1020
1021 /*
1022 * Drop beacons from other APs in AP mode when there are no connected
1023 * clients.
1024 */
1025 bool drop_bcn_ap_mode;
1026
1027 struct delayed_work cs_tx_unblock_dwork;
1028 };
1029
1030 /* Extract MVM priv from op_mode and _hw */
1031 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \
1032 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
1033
1034 #define IWL_MAC80211_GET_MVM(_hw) \
1035 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
1036
1037 enum iwl_mvm_status {
1038 IWL_MVM_STATUS_HW_RFKILL,
1039 IWL_MVM_STATUS_HW_CTKILL,
1040 IWL_MVM_STATUS_ROC_RUNNING,
1041 IWL_MVM_STATUS_IN_HW_RESTART,
1042 IWL_MVM_STATUS_IN_D0I3,
1043 IWL_MVM_STATUS_ROC_AUX_RUNNING,
1044 IWL_MVM_STATUS_D3_RECONFIG,
1045 IWL_MVM_STATUS_DUMPING_FW_LOG,
1046 };
1047
1048 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
1049 {
1050 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
1051 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1052 }
1053
1054 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
1055 {
1056 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1057 }
1058
1059 /* Must be called with rcu_read_lock() held and it can only be
1060 * released when mvmsta is not needed anymore.
1061 */
1062 static inline struct iwl_mvm_sta *
1063 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
1064 {
1065 struct ieee80211_sta *sta;
1066
1067 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1068 return NULL;
1069
1070 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1071
1072 /* This can happen if the station has been removed right now */
1073 if (IS_ERR_OR_NULL(sta))
1074 return NULL;
1075
1076 return iwl_mvm_sta_from_mac80211(sta);
1077 }
1078
1079 static inline struct iwl_mvm_sta *
1080 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
1081 {
1082 struct ieee80211_sta *sta;
1083
1084 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1085 return NULL;
1086
1087 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
1088 lockdep_is_held(&mvm->mutex));
1089
1090 /* This can happen if the station has been removed right now */
1091 if (IS_ERR_OR_NULL(sta))
1092 return NULL;
1093
1094 return iwl_mvm_sta_from_mac80211(sta);
1095 }
1096
1097 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
1098 {
1099 return !iwlwifi_mod_params.d0i3_disable &&
1100 fw_has_capa(&mvm->fw->ucode_capa,
1101 IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
1102 }
1103
1104 static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
1105 {
1106 /* Make sure DQA isn't allowed in driver until feature is complete */
1107 return false && fw_has_capa(&mvm->fw->ucode_capa,
1108 IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
1109 }
1110
1111 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
1112 {
1113 /* For now we only use this mode to differentiate between
1114 * slave transports, which handle D0i3 entry in suspend by
1115 * themselves in conjunction with runtime PM D0i3. So, this
1116 * function is used to check whether we need to do anything
1117 * when entering suspend or if the transport layer has already
1118 * done it.
1119 */
1120 return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
1121 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
1122 }
1123
1124 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
1125 {
1126 bool nvm_lar = mvm->nvm_data->lar_enabled;
1127 bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
1128 IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
1129
1130 if (iwlwifi_mod_params.lar_disable)
1131 return false;
1132
1133 /*
1134 * Enable LAR only if it is supported by the FW (TLV) &&
1135 * enabled in the NVM
1136 */
1137 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
1138 return nvm_lar && tlv_lar;
1139 else
1140 return tlv_lar;
1141 }
1142
1143 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
1144 {
1145 return fw_has_api(&mvm->fw->ucode_capa,
1146 IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
1147 fw_has_capa(&mvm->fw->ucode_capa,
1148 IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
1149 }
1150
1151 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
1152 {
1153 return fw_has_capa(&mvm->fw->ucode_capa,
1154 IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
1155 IWL_MVM_BT_COEX_CORUNNING;
1156 }
1157
1158 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
1159 {
1160 return fw_has_capa(&mvm->fw->ucode_capa,
1161 IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
1162 IWL_MVM_BT_COEX_RRC;
1163 }
1164
1165 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
1166 {
1167 return fw_has_capa(&mvm->fw->ucode_capa,
1168 IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) &&
1169 !IWL_MVM_HW_CSUM_DISABLE;
1170 }
1171
1172 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1173 {
1174 return fw_has_capa(&mvm->fw->ucode_capa,
1175 IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1176 IWL_MVM_BT_COEX_MPLUT;
1177 }
1178
1179 static inline
1180 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm)
1181 {
1182 return fw_has_capa(&mvm->fw->ucode_capa,
1183 IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) &&
1184 !(iwlwifi_mod_params.uapsd_disable &
1185 IWL_DISABLE_UAPSD_P2P_CLIENT);
1186 }
1187
1188 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1189 {
1190 return fw_has_capa(&mvm->fw->ucode_capa,
1191 IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
1192 }
1193
1194 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
1195 {
1196 #ifdef CONFIG_THERMAL
1197 /* these two TLV are redundant since the responsibility to CT-kill by
1198 * FW happens only after we send at least one command of
1199 * temperature THs report.
1200 */
1201 return fw_has_capa(&mvm->fw->ucode_capa,
1202 IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
1203 fw_has_capa(&mvm->fw->ucode_capa,
1204 IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
1205 #else /* CONFIG_THERMAL */
1206 return false;
1207 #endif /* CONFIG_THERMAL */
1208 }
1209
1210 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
1211 {
1212 return fw_has_capa(&mvm->fw->ucode_capa,
1213 IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
1214 }
1215
1216 extern const u8 iwl_mvm_ac_to_tx_fifo[];
1217
1218 struct iwl_rate_info {
1219 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */
1220 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */
1221 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */
1222 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */
1223 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */
1224 };
1225
1226 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1227 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1228
1229 /******************
1230 * MVM Methods
1231 ******************/
1232 /* uCode */
1233 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1234
1235 /* Utils */
1236 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1237 enum nl80211_band band);
1238 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1239 enum nl80211_band band,
1240 struct ieee80211_tx_rate *r);
1241 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1242 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1243 u8 first_antenna(u8 mask);
1244 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1245
1246 /* Tx / Host Commands */
1247 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1248 struct iwl_host_cmd *cmd);
1249 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1250 u32 flags, u16 len, const void *data);
1251 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1252 struct iwl_host_cmd *cmd,
1253 u32 *status);
1254 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1255 u16 len, const void *data,
1256 u32 *status);
1257 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1258 struct ieee80211_sta *sta);
1259 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1260 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1261 struct iwl_tx_cmd *tx_cmd,
1262 struct ieee80211_tx_info *info, u8 sta_id);
1263 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1264 struct ieee80211_tx_info *info,
1265 struct ieee80211_sta *sta, __le16 fc);
1266 #ifdef CONFIG_IWLWIFI_DEBUG
1267 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1268 #else
1269 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1270 #endif
1271 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1272 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1273
1274 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1275 struct iwl_tx_cmd *tx_cmd)
1276 {
1277 struct ieee80211_key_conf *keyconf = info->control.hw_key;
1278
1279 tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1280 memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1281 if (info->flags & IEEE80211_TX_CTL_AMPDU)
1282 tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG);
1283 }
1284
1285 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1286 {
1287 flush_work(&mvm->async_handlers_wk);
1288 }
1289
1290 /* Statistics */
1291 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1292 struct iwl_rx_packet *pkt);
1293 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1294 struct iwl_rx_cmd_buffer *rxb);
1295 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1296 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1297
1298 /* NVM */
1299 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1300 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1301
1302 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1303 {
1304 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1305 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1306 mvm->fw->valid_tx_ant;
1307 }
1308
1309 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1310 {
1311 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1312 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1313 mvm->fw->valid_rx_ant;
1314 }
1315
1316 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1317 {
1318 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1319 FW_PHY_CFG_RX_CHAIN);
1320 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1321 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1322
1323 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1324 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1325
1326 return mvm->fw->phy_config & phy_config;
1327 }
1328
1329 int iwl_mvm_up(struct iwl_mvm *mvm);
1330 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1331
1332 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1333 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1334 struct iwl_bcast_filter_cmd *cmd);
1335
1336 /*
1337 * FW notifications / CMD responses handlers
1338 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1339 */
1340 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1341 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1342 struct iwl_rx_cmd_buffer *rxb);
1343 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1344 struct iwl_rx_cmd_buffer *rxb, int queue);
1345 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
1346 struct iwl_rx_cmd_buffer *rxb, int queue);
1347 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
1348 const u8 *data, u32 count);
1349 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1350 int queue);
1351 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1352 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1353 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1354 struct iwl_rx_cmd_buffer *rxb);
1355 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1356 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1357 struct iwl_rx_cmd_buffer *rxb);
1358 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1359 struct iwl_rx_cmd_buffer *rxb);
1360 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1361 struct iwl_rx_cmd_buffer *rxb);
1362
1363 /* MVM PHY */
1364 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1365 struct cfg80211_chan_def *chandef,
1366 u8 chains_static, u8 chains_dynamic);
1367 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1368 struct cfg80211_chan_def *chandef,
1369 u8 chains_static, u8 chains_dynamic);
1370 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1371 struct iwl_mvm_phy_ctxt *ctxt);
1372 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1373 struct iwl_mvm_phy_ctxt *ctxt);
1374 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1375 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1376 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1377
1378 /* MAC (virtual interface) programming */
1379 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1380 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1381 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1382 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1383 bool force_assoc_off, const u8 *bssid_override);
1384 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1385 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1386 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1387 struct ieee80211_vif *vif);
1388 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1389 struct iwl_rx_cmd_buffer *rxb);
1390 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1391 struct iwl_rx_cmd_buffer *rxb);
1392 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
1393 struct iwl_rx_cmd_buffer *rxb);
1394 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1395 struct iwl_rx_cmd_buffer *rxb);
1396 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
1397 struct iwl_rx_cmd_buffer *rxb);
1398 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1399 struct ieee80211_vif *vif);
1400 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1401 struct ieee80211_vif *exclude_vif);
1402 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm,
1403 struct iwl_rx_cmd_buffer *rxb);
1404 /* Bindings */
1405 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1406 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1407
1408 /* Quota management */
1409 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1410 struct ieee80211_vif *disabled_vif);
1411
1412 /* Scanning */
1413 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1414 struct cfg80211_scan_request *req,
1415 struct ieee80211_scan_ies *ies);
1416 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1417 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1418 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1419 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1420 void iwl_mvm_scan_timeout_wk(struct work_struct *work);
1421
1422 /* Scheduled scan */
1423 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1424 struct iwl_rx_cmd_buffer *rxb);
1425 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1426 struct iwl_rx_cmd_buffer *rxb);
1427 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1428 struct ieee80211_vif *vif,
1429 struct cfg80211_sched_scan_request *req,
1430 struct ieee80211_scan_ies *ies,
1431 int type);
1432 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1433 struct iwl_rx_cmd_buffer *rxb);
1434
1435 /* UMAC scan */
1436 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1437 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1438 struct iwl_rx_cmd_buffer *rxb);
1439 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1440 struct iwl_rx_cmd_buffer *rxb);
1441
1442 /* Paging */
1443 void iwl_free_fw_paging(struct iwl_mvm *mvm);
1444
1445 /* MVM debugfs */
1446 #ifdef CONFIG_IWLWIFI_DEBUGFS
1447 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1448 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1449 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1450 #else
1451 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1452 struct dentry *dbgfs_dir)
1453 {
1454 return 0;
1455 }
1456 static inline void
1457 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1458 {
1459 }
1460 static inline void
1461 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1462 {
1463 }
1464 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1465
1466 /* rate scaling */
1467 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1468 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1469 int rs_pretty_print_rate(char *buf, const u32 rate);
1470 void rs_update_last_rssi(struct iwl_mvm *mvm,
1471 struct iwl_lq_sta *lq_sta,
1472 struct ieee80211_rx_status *rx_status);
1473
1474 /* power management */
1475 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1476 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1477 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1478 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1479 char *buf, int bufsz);
1480
1481 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1482 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1483 struct iwl_rx_cmd_buffer *rxb);
1484
1485 #ifdef CONFIG_IWLWIFI_LEDS
1486 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1487 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1488 #else
1489 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1490 {
1491 return 0;
1492 }
1493 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1494 {
1495 }
1496 #endif
1497
1498 /* D3 (WoWLAN, NetDetect) */
1499 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1500 int iwl_mvm_resume(struct ieee80211_hw *hw);
1501 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1502 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1503 struct ieee80211_vif *vif,
1504 struct cfg80211_gtk_rekey_data *data);
1505 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1506 struct ieee80211_vif *vif,
1507 struct inet6_dev *idev);
1508 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1509 struct ieee80211_vif *vif, int idx);
1510 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1511 #ifdef CONFIG_PM
1512 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1513 struct ieee80211_vif *vif,
1514 bool host_awake,
1515 u32 cmd_flags);
1516 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1517 struct ieee80211_vif *vif,
1518 struct iwl_wowlan_status *status);
1519 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1520 struct ieee80211_vif *vif);
1521 #else
1522 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1523 struct ieee80211_vif *vif,
1524 bool host_awake,
1525 u32 cmd_flags)
1526 {
1527 return 0;
1528 }
1529
1530 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1531 struct ieee80211_vif *vif,
1532 struct iwl_wowlan_status *status)
1533 {
1534 }
1535
1536 static inline void
1537 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1538 {
1539 }
1540 #endif
1541 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1542 struct iwl_wowlan_config_cmd *cmd);
1543 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1544 struct ieee80211_vif *vif,
1545 bool disable_offloading,
1546 bool offload_ns,
1547 u32 cmd_flags);
1548
1549 /* D0i3 */
1550 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1551 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1552 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1553 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1554 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1555 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1556 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1557 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1558
1559 /* BT Coex */
1560 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1561 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1562 struct iwl_rx_cmd_buffer *rxb);
1563 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1564 enum ieee80211_rssi_event_data);
1565 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1566 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1567 struct ieee80211_sta *sta);
1568 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1569 struct ieee80211_sta *sta);
1570 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1571 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1572 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1573 enum nl80211_band band);
1574 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1575 struct ieee80211_tx_info *info, u8 ac);
1576
1577 /* beacon filtering */
1578 #ifdef CONFIG_IWLWIFI_DEBUGFS
1579 void
1580 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1581 struct iwl_beacon_filter_cmd *cmd);
1582 #else
1583 static inline void
1584 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1585 struct iwl_beacon_filter_cmd *cmd)
1586 {}
1587 #endif
1588 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1589 struct ieee80211_vif *vif,
1590 bool enable, u32 flags);
1591 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1592 struct ieee80211_vif *vif,
1593 u32 flags);
1594 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1595 struct ieee80211_vif *vif,
1596 u32 flags);
1597 /* SMPS */
1598 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1599 enum iwl_mvm_smps_type_request req_type,
1600 enum ieee80211_smps_mode smps_request);
1601 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1602
1603 /* Low latency */
1604 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1605 bool value);
1606 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1607 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1608 /* get VMACLowLatencyMode */
1609 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1610 {
1611 /*
1612 * should this consider associated/active/... state?
1613 *
1614 * Normally low-latency should only be active on interfaces
1615 * that are active, but at least with debugfs it can also be
1616 * enabled on interfaces that aren't active. However, when
1617 * interface aren't active then they aren't added into the
1618 * binding, so this has no real impact. For now, just return
1619 * the current desired low-latency state.
1620 */
1621 return mvmvif->low_latency_dbgfs ||
1622 mvmvif->low_latency_traffic ||
1623 mvmvif->low_latency_vcmd;
1624 }
1625
1626 /* hw scheduler queue config */
1627 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1628 u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1629 unsigned int wdg_timeout);
1630 /*
1631 * Disable a TXQ.
1632 * Note that in non-DQA mode the %mac80211_queue and %tid params are ignored.
1633 */
1634 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1635 u8 tid, u8 flags);
1636 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq);
1637
1638 /* Return a bitmask with all the hw supported queues, except for the
1639 * command queue, which can't be flushed.
1640 */
1641 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1642 {
1643 return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1644 ~BIT(IWL_MVM_CMD_QUEUE));
1645 }
1646
1647 static inline
1648 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1649 u8 fifo, u16 ssn, unsigned int wdg_timeout)
1650 {
1651 struct iwl_trans_txq_scd_cfg cfg = {
1652 .fifo = fifo,
1653 .tid = IWL_MAX_TID_COUNT,
1654 .aggregate = false,
1655 .frame_limit = IWL_FRAME_LIMIT,
1656 };
1657
1658 iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
1659 }
1660
1661 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1662 {
1663 mvm->ucode_loaded = false;
1664 iwl_trans_stop_device(mvm->trans);
1665 }
1666
1667 /* Stop/start all mac queues in a given bitmap */
1668 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1669 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1670
1671 /* Re-configure the SCD for a queue that has already been configured */
1672 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id,
1673 int tid, int frame_limit, u16 ssn);
1674
1675 /* Thermal management and CT-kill */
1676 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1677 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1678 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1679 struct iwl_rx_cmd_buffer *rxb);
1680 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1681 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1682 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
1683 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1684 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
1685 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1686 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
1687 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
1688
1689 /* Location Aware Regulatory */
1690 struct iwl_mcc_update_resp *
1691 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1692 enum iwl_mcc_source src_id);
1693 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1694 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1695 struct iwl_rx_cmd_buffer *rxb);
1696 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1697 const char *alpha2,
1698 enum iwl_mcc_source src_id,
1699 bool *changed);
1700 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1701 bool *changed);
1702 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1703 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1704
1705 /* smart fifo */
1706 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1707 bool added_vif);
1708
1709 /* TDLS */
1710
1711 /*
1712 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1713 * This TID is marked as used vs the AP and all connected TDLS peers.
1714 */
1715 #define IWL_MVM_TDLS_FW_TID 4
1716
1717 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1718 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1719 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1720 bool sta_added);
1721 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1722 struct ieee80211_vif *vif);
1723 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1724 struct ieee80211_vif *vif,
1725 struct ieee80211_sta *sta, u8 oper_class,
1726 struct cfg80211_chan_def *chandef,
1727 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1728 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1729 struct ieee80211_vif *vif,
1730 struct ieee80211_tdls_ch_sw_params *params);
1731 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1732 struct ieee80211_vif *vif,
1733 struct ieee80211_sta *sta);
1734 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1735 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1736
1737 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
1738 struct iwl_mvm_internal_rxq_notif *notif,
1739 u32 size);
1740 void iwl_mvm_reorder_timer_expired(unsigned long data);
1741 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1742
1743 void iwl_mvm_inactivity_check(struct iwl_mvm *mvm);
1744
1745 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1746 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1747 struct ieee80211_vif *vif,
1748 bool tdls, bool cmd_q);
1749 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1750 const char *errmsg);
1751
1752 /* Link Quality Measurement */
1753 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif *vif,
1754 enum iwl_lqm_cmd_operatrions operation,
1755 u32 duration, u32 timeout);
1756 bool iwl_mvm_lqm_active(struct iwl_mvm *mvm);
1757
1758 #endif /* __IWL_MVM_H__ */
Linux kernel - Deliverables
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