xref: /openbmc/linux/drivers/net/wireless/ath/ath10k/core.h (revision 179dd8c0348af75b02c7d72eaaf1cb179f1721ef)
1 /*
2  * Copyright (c) 2005-2011 Atheros Communications Inc.
3  * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #ifndef _CORE_H_
19 #define _CORE_H_
20 
21 #include <linux/completion.h>
22 #include <linux/if_ether.h>
23 #include <linux/types.h>
24 #include <linux/pci.h>
25 #include <linux/uuid.h>
26 #include <linux/time.h>
27 
28 #include "htt.h"
29 #include "htc.h"
30 #include "hw.h"
31 #include "targaddrs.h"
32 #include "wmi.h"
33 #include "../ath.h"
34 #include "../regd.h"
35 #include "../dfs_pattern_detector.h"
36 #include "spectral.h"
37 #include "thermal.h"
38 #include "wow.h"
39 
40 #define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
41 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
42 #define WO(_f)      ((_f##_OFFSET) >> 2)
43 
44 #define ATH10K_SCAN_ID 0
45 #define WMI_READY_TIMEOUT (5 * HZ)
46 #define ATH10K_FLUSH_TIMEOUT_HZ (5*HZ)
47 #define ATH10K_CONNECTION_LOSS_HZ (3*HZ)
48 #define ATH10K_NUM_CHANS 39
49 
50 /* Antenna noise floor */
51 #define ATH10K_DEFAULT_NOISE_FLOOR -95
52 
53 #define ATH10K_MAX_NUM_MGMT_PENDING 128
54 
55 /* number of failed packets (20 packets with 16 sw reties each) */
56 #define ATH10K_KICKOUT_THRESHOLD (20 * 16)
57 
58 /*
59  * Use insanely high numbers to make sure that the firmware implementation
60  * won't start, we have the same functionality already in hostapd. Unit
61  * is seconds.
62  */
63 #define ATH10K_KEEPALIVE_MIN_IDLE 3747
64 #define ATH10K_KEEPALIVE_MAX_IDLE 3895
65 #define ATH10K_KEEPALIVE_MAX_UNRESPONSIVE 3900
66 
67 struct ath10k;
68 
69 enum ath10k_bus {
70 	ATH10K_BUS_PCI,
71 };
72 
73 static inline const char *ath10k_bus_str(enum ath10k_bus bus)
74 {
75 	switch (bus) {
76 	case ATH10K_BUS_PCI:
77 		return "pci";
78 	}
79 
80 	return "unknown";
81 }
82 
83 struct ath10k_skb_cb {
84 	dma_addr_t paddr;
85 	u8 eid;
86 	u8 vdev_id;
87 	enum ath10k_hw_txrx_mode txmode;
88 	bool is_protected;
89 
90 	struct {
91 		u8 tid;
92 		u16 freq;
93 		bool is_offchan;
94 		struct ath10k_htt_txbuf *txbuf;
95 		u32 txbuf_paddr;
96 	} __packed htt;
97 
98 	struct {
99 		bool dtim_zero;
100 		bool deliver_cab;
101 	} bcn;
102 } __packed;
103 
104 struct ath10k_skb_rxcb {
105 	dma_addr_t paddr;
106 	struct hlist_node hlist;
107 };
108 
109 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
110 {
111 	BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) >
112 		     IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
113 	return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data;
114 }
115 
116 static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb)
117 {
118 	BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb));
119 	return (struct ath10k_skb_rxcb *)skb->cb;
120 }
121 
122 #define ATH10K_RXCB_SKB(rxcb) \
123 		container_of((void *)rxcb, struct sk_buff, cb)
124 
125 static inline u32 host_interest_item_address(u32 item_offset)
126 {
127 	return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
128 }
129 
130 struct ath10k_bmi {
131 	bool done_sent;
132 };
133 
134 struct ath10k_mem_chunk {
135 	void *vaddr;
136 	dma_addr_t paddr;
137 	u32 len;
138 	u32 req_id;
139 };
140 
141 struct ath10k_wmi {
142 	enum ath10k_fw_wmi_op_version op_version;
143 	enum ath10k_htc_ep_id eid;
144 	struct completion service_ready;
145 	struct completion unified_ready;
146 	wait_queue_head_t tx_credits_wq;
147 	DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX);
148 	struct wmi_cmd_map *cmd;
149 	struct wmi_vdev_param_map *vdev_param;
150 	struct wmi_pdev_param_map *pdev_param;
151 	const struct wmi_ops *ops;
152 
153 	u32 num_mem_chunks;
154 	struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS];
155 };
156 
157 struct ath10k_fw_stats_peer {
158 	struct list_head list;
159 
160 	u8 peer_macaddr[ETH_ALEN];
161 	u32 peer_rssi;
162 	u32 peer_tx_rate;
163 	u32 peer_rx_rate; /* 10x only */
164 };
165 
166 struct ath10k_fw_stats_vdev {
167 	struct list_head list;
168 
169 	u32 vdev_id;
170 	u32 beacon_snr;
171 	u32 data_snr;
172 	u32 num_tx_frames[4];
173 	u32 num_rx_frames;
174 	u32 num_tx_frames_retries[4];
175 	u32 num_tx_frames_failures[4];
176 	u32 num_rts_fail;
177 	u32 num_rts_success;
178 	u32 num_rx_err;
179 	u32 num_rx_discard;
180 	u32 num_tx_not_acked;
181 	u32 tx_rate_history[10];
182 	u32 beacon_rssi_history[10];
183 };
184 
185 struct ath10k_fw_stats_pdev {
186 	struct list_head list;
187 
188 	/* PDEV stats */
189 	s32 ch_noise_floor;
190 	u32 tx_frame_count;
191 	u32 rx_frame_count;
192 	u32 rx_clear_count;
193 	u32 cycle_count;
194 	u32 phy_err_count;
195 	u32 chan_tx_power;
196 	u32 ack_rx_bad;
197 	u32 rts_bad;
198 	u32 rts_good;
199 	u32 fcs_bad;
200 	u32 no_beacons;
201 	u32 mib_int_count;
202 
203 	/* PDEV TX stats */
204 	s32 comp_queued;
205 	s32 comp_delivered;
206 	s32 msdu_enqued;
207 	s32 mpdu_enqued;
208 	s32 wmm_drop;
209 	s32 local_enqued;
210 	s32 local_freed;
211 	s32 hw_queued;
212 	s32 hw_reaped;
213 	s32 underrun;
214 	s32 tx_abort;
215 	s32 mpdus_requed;
216 	u32 tx_ko;
217 	u32 data_rc;
218 	u32 self_triggers;
219 	u32 sw_retry_failure;
220 	u32 illgl_rate_phy_err;
221 	u32 pdev_cont_xretry;
222 	u32 pdev_tx_timeout;
223 	u32 pdev_resets;
224 	u32 phy_underrun;
225 	u32 txop_ovf;
226 
227 	/* PDEV RX stats */
228 	s32 mid_ppdu_route_change;
229 	s32 status_rcvd;
230 	s32 r0_frags;
231 	s32 r1_frags;
232 	s32 r2_frags;
233 	s32 r3_frags;
234 	s32 htt_msdus;
235 	s32 htt_mpdus;
236 	s32 loc_msdus;
237 	s32 loc_mpdus;
238 	s32 oversize_amsdu;
239 	s32 phy_errs;
240 	s32 phy_err_drop;
241 	s32 mpdu_errs;
242 };
243 
244 struct ath10k_fw_stats {
245 	struct list_head pdevs;
246 	struct list_head vdevs;
247 	struct list_head peers;
248 };
249 
250 struct ath10k_dfs_stats {
251 	u32 phy_errors;
252 	u32 pulses_total;
253 	u32 pulses_detected;
254 	u32 pulses_discarded;
255 	u32 radar_detected;
256 };
257 
258 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */
259 
260 struct ath10k_peer {
261 	struct list_head list;
262 	int vdev_id;
263 	u8 addr[ETH_ALEN];
264 	DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS);
265 
266 	/* protected by ar->data_lock */
267 	struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
268 };
269 
270 struct ath10k_sta {
271 	struct ath10k_vif *arvif;
272 
273 	/* the following are protected by ar->data_lock */
274 	u32 changed; /* IEEE80211_RC_* */
275 	u32 bw;
276 	u32 nss;
277 	u32 smps;
278 
279 	struct work_struct update_wk;
280 
281 #ifdef CONFIG_MAC80211_DEBUGFS
282 	/* protected by conf_mutex */
283 	bool aggr_mode;
284 #endif
285 };
286 
287 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ)
288 
289 enum ath10k_beacon_state {
290 	ATH10K_BEACON_SCHEDULED = 0,
291 	ATH10K_BEACON_SENDING,
292 	ATH10K_BEACON_SENT,
293 };
294 
295 struct ath10k_vif {
296 	struct list_head list;
297 
298 	u32 vdev_id;
299 	enum wmi_vdev_type vdev_type;
300 	enum wmi_vdev_subtype vdev_subtype;
301 	u32 beacon_interval;
302 	u32 dtim_period;
303 	struct sk_buff *beacon;
304 	/* protected by data_lock */
305 	enum ath10k_beacon_state beacon_state;
306 	void *beacon_buf;
307 	dma_addr_t beacon_paddr;
308 	unsigned long tx_paused; /* arbitrary values defined by target */
309 
310 	struct ath10k *ar;
311 	struct ieee80211_vif *vif;
312 
313 	bool is_started;
314 	bool is_up;
315 	bool spectral_enabled;
316 	bool ps;
317 	u32 aid;
318 	u8 bssid[ETH_ALEN];
319 
320 	struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1];
321 	s8 def_wep_key_idx;
322 
323 	u16 tx_seq_no;
324 
325 	union {
326 		struct {
327 			u32 uapsd;
328 		} sta;
329 		struct {
330 			/* 127 stations; wmi limit */
331 			u8 tim_bitmap[16];
332 			u8 tim_len;
333 			u32 ssid_len;
334 			u8 ssid[IEEE80211_MAX_SSID_LEN];
335 			bool hidden_ssid;
336 			/* P2P_IE with NoA attribute for P2P_GO case */
337 			u32 noa_len;
338 			u8 *noa_data;
339 		} ap;
340 	} u;
341 
342 	bool use_cts_prot;
343 	int num_legacy_stations;
344 	int txpower;
345 	struct wmi_wmm_params_all_arg wmm_params;
346 	struct work_struct ap_csa_work;
347 	struct delayed_work connection_loss_work;
348 	struct cfg80211_bitrate_mask bitrate_mask;
349 };
350 
351 struct ath10k_vif_iter {
352 	u32 vdev_id;
353 	struct ath10k_vif *arvif;
354 };
355 
356 /* used for crash-dump storage, protected by data-lock */
357 struct ath10k_fw_crash_data {
358 	bool crashed_since_read;
359 
360 	uuid_le uuid;
361 	struct timespec timestamp;
362 	__le32 registers[REG_DUMP_COUNT_QCA988X];
363 };
364 
365 struct ath10k_debug {
366 	struct dentry *debugfs_phy;
367 
368 	struct ath10k_fw_stats fw_stats;
369 	struct completion fw_stats_complete;
370 	bool fw_stats_done;
371 
372 	unsigned long htt_stats_mask;
373 	struct delayed_work htt_stats_dwork;
374 	struct ath10k_dfs_stats dfs_stats;
375 	struct ath_dfs_pool_stats dfs_pool_stats;
376 
377 	/* protected by conf_mutex */
378 	u32 fw_dbglog_mask;
379 	u32 fw_dbglog_level;
380 	u32 pktlog_filter;
381 	u32 reg_addr;
382 	u32 nf_cal_period;
383 
384 	u8 htt_max_amsdu;
385 	u8 htt_max_ampdu;
386 
387 	struct ath10k_fw_crash_data *fw_crash_data;
388 };
389 
390 enum ath10k_state {
391 	ATH10K_STATE_OFF = 0,
392 	ATH10K_STATE_ON,
393 
394 	/* When doing firmware recovery the device is first powered down.
395 	 * mac80211 is supposed to call in to start() hook later on. It is
396 	 * however possible that driver unloading and firmware crash overlap.
397 	 * mac80211 can wait on conf_mutex in stop() while the device is
398 	 * stopped in ath10k_core_restart() work holding conf_mutex. The state
399 	 * RESTARTED means that the device is up and mac80211 has started hw
400 	 * reconfiguration. Once mac80211 is done with the reconfiguration we
401 	 * set the state to STATE_ON in reconfig_complete(). */
402 	ATH10K_STATE_RESTARTING,
403 	ATH10K_STATE_RESTARTED,
404 
405 	/* The device has crashed while restarting hw. This state is like ON
406 	 * but commands are blocked in HTC and -ECOMM response is given. This
407 	 * prevents completion timeouts and makes the driver more responsive to
408 	 * userspace commands. This is also prevents recursive recovery. */
409 	ATH10K_STATE_WEDGED,
410 
411 	/* factory tests */
412 	ATH10K_STATE_UTF,
413 };
414 
415 enum ath10k_firmware_mode {
416 	/* the default mode, standard 802.11 functionality */
417 	ATH10K_FIRMWARE_MODE_NORMAL,
418 
419 	/* factory tests etc */
420 	ATH10K_FIRMWARE_MODE_UTF,
421 };
422 
423 enum ath10k_fw_features {
424 	/* wmi_mgmt_rx_hdr contains extra RSSI information */
425 	ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0,
426 
427 	/* Firmware from 10X branch. Deprecated, don't use in new code. */
428 	ATH10K_FW_FEATURE_WMI_10X = 1,
429 
430 	/* firmware support tx frame management over WMI, otherwise it's HTT */
431 	ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2,
432 
433 	/* Firmware does not support P2P */
434 	ATH10K_FW_FEATURE_NO_P2P = 3,
435 
436 	/* Firmware 10.2 feature bit. The ATH10K_FW_FEATURE_WMI_10X feature
437 	 * bit is required to be set as well. Deprecated, don't use in new
438 	 * code.
439 	 */
440 	ATH10K_FW_FEATURE_WMI_10_2 = 4,
441 
442 	/* Some firmware revisions lack proper multi-interface client powersave
443 	 * implementation. Enabling PS could result in connection drops,
444 	 * traffic stalls, etc.
445 	 */
446 	ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5,
447 
448 	/* Some firmware revisions have an incomplete WoWLAN implementation
449 	 * despite WMI service bit being advertised. This feature flag is used
450 	 * to distinguish whether WoWLAN is really supported or not.
451 	 */
452 	ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6,
453 
454 	/* Don't trust error code from otp.bin */
455 	ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
456 
457 	/* Some firmware revisions pad 4th hw address to 4 byte boundary making
458 	 * it 8 bytes long in Native Wifi Rx decap.
459 	 */
460 	ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING,
461 
462 	/* Firmware supports bypassing PLL setting on init. */
463 	ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9,
464 
465 	/* keep last */
466 	ATH10K_FW_FEATURE_COUNT,
467 };
468 
469 enum ath10k_dev_flags {
470 	/* Indicates that ath10k device is during CAC phase of DFS */
471 	ATH10K_CAC_RUNNING,
472 	ATH10K_FLAG_CORE_REGISTERED,
473 
474 	/* Device has crashed and needs to restart. This indicates any pending
475 	 * waiters should immediately cancel instead of waiting for a time out.
476 	 */
477 	ATH10K_FLAG_CRASH_FLUSH,
478 };
479 
480 enum ath10k_cal_mode {
481 	ATH10K_CAL_MODE_FILE,
482 	ATH10K_CAL_MODE_OTP,
483 	ATH10K_CAL_MODE_DT,
484 };
485 
486 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode)
487 {
488 	switch (mode) {
489 	case ATH10K_CAL_MODE_FILE:
490 		return "file";
491 	case ATH10K_CAL_MODE_OTP:
492 		return "otp";
493 	case ATH10K_CAL_MODE_DT:
494 		return "dt";
495 	}
496 
497 	return "unknown";
498 }
499 
500 enum ath10k_scan_state {
501 	ATH10K_SCAN_IDLE,
502 	ATH10K_SCAN_STARTING,
503 	ATH10K_SCAN_RUNNING,
504 	ATH10K_SCAN_ABORTING,
505 };
506 
507 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state)
508 {
509 	switch (state) {
510 	case ATH10K_SCAN_IDLE:
511 		return "idle";
512 	case ATH10K_SCAN_STARTING:
513 		return "starting";
514 	case ATH10K_SCAN_RUNNING:
515 		return "running";
516 	case ATH10K_SCAN_ABORTING:
517 		return "aborting";
518 	}
519 
520 	return "unknown";
521 }
522 
523 enum ath10k_tx_pause_reason {
524 	ATH10K_TX_PAUSE_Q_FULL,
525 	ATH10K_TX_PAUSE_MAX,
526 };
527 
528 struct ath10k {
529 	struct ath_common ath_common;
530 	struct ieee80211_hw *hw;
531 	struct device *dev;
532 	u8 mac_addr[ETH_ALEN];
533 
534 	enum ath10k_hw_rev hw_rev;
535 	u32 chip_id;
536 	u32 target_version;
537 	u8 fw_version_major;
538 	u32 fw_version_minor;
539 	u16 fw_version_release;
540 	u16 fw_version_build;
541 	u32 fw_stats_req_mask;
542 	u32 phy_capability;
543 	u32 hw_min_tx_power;
544 	u32 hw_max_tx_power;
545 	u32 ht_cap_info;
546 	u32 vht_cap_info;
547 	u32 num_rf_chains;
548 	/* protected by conf_mutex */
549 	bool ani_enabled;
550 
551 	DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
552 
553 	bool p2p;
554 
555 	struct {
556 		enum ath10k_bus bus;
557 		const struct ath10k_hif_ops *ops;
558 	} hif;
559 
560 	struct completion target_suspend;
561 
562 	const struct ath10k_hw_regs *regs;
563 	struct ath10k_bmi bmi;
564 	struct ath10k_wmi wmi;
565 	struct ath10k_htc htc;
566 	struct ath10k_htt htt;
567 
568 	struct ath10k_hw_params {
569 		u32 id;
570 		const char *name;
571 		u32 patch_load_addr;
572 		int uart_pin;
573 
574 		/* This is true if given HW chip has a quirky Cycle Counter
575 		 * wraparound which resets to 0x7fffffff instead of 0. All
576 		 * other CC related counters (e.g. Rx Clear Count) are divided
577 		 * by 2 so they never wraparound themselves.
578 		 */
579 		bool has_shifted_cc_wraparound;
580 
581 		struct ath10k_hw_params_fw {
582 			const char *dir;
583 			const char *fw;
584 			const char *otp;
585 			const char *board;
586 			size_t board_size;
587 			size_t board_ext_size;
588 		} fw;
589 	} hw_params;
590 
591 	const struct firmware *board;
592 	const void *board_data;
593 	size_t board_len;
594 
595 	const struct firmware *otp;
596 	const void *otp_data;
597 	size_t otp_len;
598 
599 	const struct firmware *firmware;
600 	const void *firmware_data;
601 	size_t firmware_len;
602 
603 	const struct firmware *cal_file;
604 
605 	char spec_board_id[100];
606 	bool spec_board_loaded;
607 
608 	int fw_api;
609 	enum ath10k_cal_mode cal_mode;
610 
611 	struct {
612 		struct completion started;
613 		struct completion completed;
614 		struct completion on_channel;
615 		struct delayed_work timeout;
616 		enum ath10k_scan_state state;
617 		bool is_roc;
618 		int vdev_id;
619 		int roc_freq;
620 	} scan;
621 
622 	struct {
623 		struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
624 	} mac;
625 
626 	/* should never be NULL; needed for regular htt rx */
627 	struct ieee80211_channel *rx_channel;
628 
629 	/* valid during scan; needed for mgmt rx during scan */
630 	struct ieee80211_channel *scan_channel;
631 
632 	/* current operating channel definition */
633 	struct cfg80211_chan_def chandef;
634 
635 	unsigned long long free_vdev_map;
636 	struct ath10k_vif *monitor_arvif;
637 	bool monitor;
638 	int monitor_vdev_id;
639 	bool monitor_started;
640 	unsigned int filter_flags;
641 	unsigned long dev_flags;
642 	u32 dfs_block_radar_events;
643 
644 	/* protected by conf_mutex */
645 	bool radar_enabled;
646 	int num_started_vdevs;
647 
648 	/* Protected by conf-mutex */
649 	u8 supp_tx_chainmask;
650 	u8 supp_rx_chainmask;
651 	u8 cfg_tx_chainmask;
652 	u8 cfg_rx_chainmask;
653 
654 	struct completion install_key_done;
655 
656 	struct completion vdev_setup_done;
657 
658 	struct workqueue_struct *workqueue;
659 
660 	/* prevents concurrent FW reconfiguration */
661 	struct mutex conf_mutex;
662 
663 	/* protects shared structure data */
664 	spinlock_t data_lock;
665 
666 	struct list_head arvifs;
667 	struct list_head peers;
668 	wait_queue_head_t peer_mapping_wq;
669 
670 	/* protected by conf_mutex */
671 	int num_peers;
672 	int num_stations;
673 
674 	int max_num_peers;
675 	int max_num_stations;
676 	int max_num_vdevs;
677 	int max_num_tdls_vdevs;
678 
679 	struct work_struct offchan_tx_work;
680 	struct sk_buff_head offchan_tx_queue;
681 	struct completion offchan_tx_completed;
682 	struct sk_buff *offchan_tx_skb;
683 
684 	struct work_struct wmi_mgmt_tx_work;
685 	struct sk_buff_head wmi_mgmt_tx_queue;
686 
687 	enum ath10k_state state;
688 
689 	struct work_struct register_work;
690 	struct work_struct restart_work;
691 
692 	/* cycle count is reported twice for each visited channel during scan.
693 	 * access protected by data_lock */
694 	u32 survey_last_rx_clear_count;
695 	u32 survey_last_cycle_count;
696 	struct survey_info survey[ATH10K_NUM_CHANS];
697 
698 	/* Channel info events are expected to come in pairs without and with
699 	 * COMPLETE flag set respectively for each channel visit during scan.
700 	 *
701 	 * However there are deviations from this rule. This flag is used to
702 	 * avoid reporting garbage data.
703 	 */
704 	bool ch_info_can_report_survey;
705 
706 	struct dfs_pattern_detector *dfs_detector;
707 
708 	unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */
709 
710 #ifdef CONFIG_ATH10K_DEBUGFS
711 	struct ath10k_debug debug;
712 #endif
713 
714 	struct {
715 		/* relay(fs) channel for spectral scan */
716 		struct rchan *rfs_chan_spec_scan;
717 
718 		/* spectral_mode and spec_config are protected by conf_mutex */
719 		enum ath10k_spectral_mode mode;
720 		struct ath10k_spec_scan config;
721 	} spectral;
722 
723 	struct {
724 		/* protected by conf_mutex */
725 		const struct firmware *utf;
726 		DECLARE_BITMAP(orig_fw_features, ATH10K_FW_FEATURE_COUNT);
727 		enum ath10k_fw_wmi_op_version orig_wmi_op_version;
728 
729 		/* protected by data_lock */
730 		bool utf_monitor;
731 	} testmode;
732 
733 	struct {
734 		/* protected by data_lock */
735 		u32 fw_crash_counter;
736 		u32 fw_warm_reset_counter;
737 		u32 fw_cold_reset_counter;
738 	} stats;
739 
740 	struct ath10k_thermal thermal;
741 	struct ath10k_wow wow;
742 
743 	/* must be last */
744 	u8 drv_priv[0] __aligned(sizeof(void *));
745 };
746 
747 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
748 				  enum ath10k_bus bus,
749 				  enum ath10k_hw_rev hw_rev,
750 				  const struct ath10k_hif_ops *hif_ops);
751 void ath10k_core_destroy(struct ath10k *ar);
752 
753 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode);
754 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt);
755 void ath10k_core_stop(struct ath10k *ar);
756 int ath10k_core_register(struct ath10k *ar, u32 chip_id);
757 void ath10k_core_unregister(struct ath10k *ar);
758 
759 #endif /* _CORE_H_ */
760