xref: /linux/drivers/net/wireless/ath/ath10k/core.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 #include "swap.h"
40 
41 #define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
42 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
43 #define WO(_f)      ((_f##_OFFSET) >> 2)
44 
45 #define ATH10K_SCAN_ID 0
46 #define WMI_READY_TIMEOUT (5 * HZ)
47 #define ATH10K_FLUSH_TIMEOUT_HZ (5*HZ)
48 #define ATH10K_CONNECTION_LOSS_HZ (3*HZ)
49 #define ATH10K_NUM_CHANS 39
50 
51 /* Antenna noise floor */
52 #define ATH10K_DEFAULT_NOISE_FLOOR -95
53 
54 #define ATH10K_MAX_NUM_MGMT_PENDING 128
55 
56 /* number of failed packets (20 packets with 16 sw reties each) */
57 #define ATH10K_KICKOUT_THRESHOLD (20 * 16)
58 
59 /*
60  * Use insanely high numbers to make sure that the firmware implementation
61  * won't start, we have the same functionality already in hostapd. Unit
62  * is seconds.
63  */
64 #define ATH10K_KEEPALIVE_MIN_IDLE 3747
65 #define ATH10K_KEEPALIVE_MAX_IDLE 3895
66 #define ATH10K_KEEPALIVE_MAX_UNRESPONSIVE 3900
67 
68 struct ath10k;
69 
70 enum ath10k_bus {
71 	ATH10K_BUS_PCI,
72 };
73 
74 static inline const char *ath10k_bus_str(enum ath10k_bus bus)
75 {
76 	switch (bus) {
77 	case ATH10K_BUS_PCI:
78 		return "pci";
79 	}
80 
81 	return "unknown";
82 }
83 
84 struct ath10k_skb_cb {
85 	dma_addr_t paddr;
86 	u8 eid;
87 	u8 vdev_id;
88 	enum ath10k_hw_txrx_mode txmode;
89 	bool is_protected;
90 
91 	struct {
92 		u8 tid;
93 		u16 freq;
94 		bool is_offchan;
95 		bool nohwcrypt;
96 		struct ath10k_htt_txbuf *txbuf;
97 		u32 txbuf_paddr;
98 	} __packed htt;
99 
100 	struct {
101 		bool dtim_zero;
102 		bool deliver_cab;
103 	} bcn;
104 } __packed;
105 
106 struct ath10k_skb_rxcb {
107 	dma_addr_t paddr;
108 	struct hlist_node hlist;
109 };
110 
111 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
112 {
113 	BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) >
114 		     IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
115 	return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data;
116 }
117 
118 static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb)
119 {
120 	BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb));
121 	return (struct ath10k_skb_rxcb *)skb->cb;
122 }
123 
124 #define ATH10K_RXCB_SKB(rxcb) \
125 		container_of((void *)rxcb, struct sk_buff, cb)
126 
127 static inline u32 host_interest_item_address(u32 item_offset)
128 {
129 	return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
130 }
131 
132 struct ath10k_bmi {
133 	bool done_sent;
134 };
135 
136 struct ath10k_mem_chunk {
137 	void *vaddr;
138 	dma_addr_t paddr;
139 	u32 len;
140 	u32 req_id;
141 };
142 
143 struct ath10k_wmi {
144 	enum ath10k_fw_wmi_op_version op_version;
145 	enum ath10k_htc_ep_id eid;
146 	struct completion service_ready;
147 	struct completion unified_ready;
148 	wait_queue_head_t tx_credits_wq;
149 	DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX);
150 	struct wmi_cmd_map *cmd;
151 	struct wmi_vdev_param_map *vdev_param;
152 	struct wmi_pdev_param_map *pdev_param;
153 	const struct wmi_ops *ops;
154 
155 	u32 num_mem_chunks;
156 	u32 rx_decap_mode;
157 	struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS];
158 };
159 
160 struct ath10k_fw_stats_peer {
161 	struct list_head list;
162 
163 	u8 peer_macaddr[ETH_ALEN];
164 	u32 peer_rssi;
165 	u32 peer_tx_rate;
166 	u32 peer_rx_rate; /* 10x only */
167 };
168 
169 struct ath10k_fw_stats_vdev {
170 	struct list_head list;
171 
172 	u32 vdev_id;
173 	u32 beacon_snr;
174 	u32 data_snr;
175 	u32 num_tx_frames[4];
176 	u32 num_rx_frames;
177 	u32 num_tx_frames_retries[4];
178 	u32 num_tx_frames_failures[4];
179 	u32 num_rts_fail;
180 	u32 num_rts_success;
181 	u32 num_rx_err;
182 	u32 num_rx_discard;
183 	u32 num_tx_not_acked;
184 	u32 tx_rate_history[10];
185 	u32 beacon_rssi_history[10];
186 };
187 
188 struct ath10k_fw_stats_pdev {
189 	struct list_head list;
190 
191 	/* PDEV stats */
192 	s32 ch_noise_floor;
193 	u32 tx_frame_count;
194 	u32 rx_frame_count;
195 	u32 rx_clear_count;
196 	u32 cycle_count;
197 	u32 phy_err_count;
198 	u32 chan_tx_power;
199 	u32 ack_rx_bad;
200 	u32 rts_bad;
201 	u32 rts_good;
202 	u32 fcs_bad;
203 	u32 no_beacons;
204 	u32 mib_int_count;
205 
206 	/* PDEV TX stats */
207 	s32 comp_queued;
208 	s32 comp_delivered;
209 	s32 msdu_enqued;
210 	s32 mpdu_enqued;
211 	s32 wmm_drop;
212 	s32 local_enqued;
213 	s32 local_freed;
214 	s32 hw_queued;
215 	s32 hw_reaped;
216 	s32 underrun;
217 	s32 tx_abort;
218 	s32 mpdus_requed;
219 	u32 tx_ko;
220 	u32 data_rc;
221 	u32 self_triggers;
222 	u32 sw_retry_failure;
223 	u32 illgl_rate_phy_err;
224 	u32 pdev_cont_xretry;
225 	u32 pdev_tx_timeout;
226 	u32 pdev_resets;
227 	u32 phy_underrun;
228 	u32 txop_ovf;
229 
230 	/* PDEV RX stats */
231 	s32 mid_ppdu_route_change;
232 	s32 status_rcvd;
233 	s32 r0_frags;
234 	s32 r1_frags;
235 	s32 r2_frags;
236 	s32 r3_frags;
237 	s32 htt_msdus;
238 	s32 htt_mpdus;
239 	s32 loc_msdus;
240 	s32 loc_mpdus;
241 	s32 oversize_amsdu;
242 	s32 phy_errs;
243 	s32 phy_err_drop;
244 	s32 mpdu_errs;
245 };
246 
247 struct ath10k_fw_stats {
248 	struct list_head pdevs;
249 	struct list_head vdevs;
250 	struct list_head peers;
251 };
252 
253 struct ath10k_dfs_stats {
254 	u32 phy_errors;
255 	u32 pulses_total;
256 	u32 pulses_detected;
257 	u32 pulses_discarded;
258 	u32 radar_detected;
259 };
260 
261 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */
262 
263 struct ath10k_peer {
264 	struct list_head list;
265 	int vdev_id;
266 	u8 addr[ETH_ALEN];
267 	DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS);
268 
269 	/* protected by ar->data_lock */
270 	struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
271 };
272 
273 struct ath10k_sta {
274 	struct ath10k_vif *arvif;
275 
276 	/* the following are protected by ar->data_lock */
277 	u32 changed; /* IEEE80211_RC_* */
278 	u32 bw;
279 	u32 nss;
280 	u32 smps;
281 
282 	struct work_struct update_wk;
283 
284 #ifdef CONFIG_MAC80211_DEBUGFS
285 	/* protected by conf_mutex */
286 	bool aggr_mode;
287 #endif
288 };
289 
290 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ)
291 
292 enum ath10k_beacon_state {
293 	ATH10K_BEACON_SCHEDULED = 0,
294 	ATH10K_BEACON_SENDING,
295 	ATH10K_BEACON_SENT,
296 };
297 
298 struct ath10k_vif {
299 	struct list_head list;
300 
301 	u32 vdev_id;
302 	enum wmi_vdev_type vdev_type;
303 	enum wmi_vdev_subtype vdev_subtype;
304 	u32 beacon_interval;
305 	u32 dtim_period;
306 	struct sk_buff *beacon;
307 	/* protected by data_lock */
308 	enum ath10k_beacon_state beacon_state;
309 	void *beacon_buf;
310 	dma_addr_t beacon_paddr;
311 	unsigned long tx_paused; /* arbitrary values defined by target */
312 
313 	struct ath10k *ar;
314 	struct ieee80211_vif *vif;
315 
316 	bool is_started;
317 	bool is_up;
318 	bool spectral_enabled;
319 	bool ps;
320 	u32 aid;
321 	u8 bssid[ETH_ALEN];
322 
323 	struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1];
324 	s8 def_wep_key_idx;
325 
326 	u16 tx_seq_no;
327 
328 	union {
329 		struct {
330 			u32 uapsd;
331 		} sta;
332 		struct {
333 			/* 512 stations */
334 			u8 tim_bitmap[64];
335 			u8 tim_len;
336 			u32 ssid_len;
337 			u8 ssid[IEEE80211_MAX_SSID_LEN];
338 			bool hidden_ssid;
339 			/* P2P_IE with NoA attribute for P2P_GO case */
340 			u32 noa_len;
341 			u8 *noa_data;
342 		} ap;
343 	} u;
344 
345 	bool use_cts_prot;
346 	bool nohwcrypt;
347 	int num_legacy_stations;
348 	int txpower;
349 	struct wmi_wmm_params_all_arg wmm_params;
350 	struct work_struct ap_csa_work;
351 	struct delayed_work connection_loss_work;
352 	struct cfg80211_bitrate_mask bitrate_mask;
353 };
354 
355 struct ath10k_vif_iter {
356 	u32 vdev_id;
357 	struct ath10k_vif *arvif;
358 };
359 
360 /* used for crash-dump storage, protected by data-lock */
361 struct ath10k_fw_crash_data {
362 	bool crashed_since_read;
363 
364 	uuid_le uuid;
365 	struct timespec timestamp;
366 	__le32 registers[REG_DUMP_COUNT_QCA988X];
367 };
368 
369 struct ath10k_debug {
370 	struct dentry *debugfs_phy;
371 
372 	struct ath10k_fw_stats fw_stats;
373 	struct completion fw_stats_complete;
374 	bool fw_stats_done;
375 
376 	unsigned long htt_stats_mask;
377 	struct delayed_work htt_stats_dwork;
378 	struct ath10k_dfs_stats dfs_stats;
379 	struct ath_dfs_pool_stats dfs_pool_stats;
380 
381 	/* protected by conf_mutex */
382 	u32 fw_dbglog_mask;
383 	u32 fw_dbglog_level;
384 	u32 pktlog_filter;
385 	u32 reg_addr;
386 	u32 nf_cal_period;
387 
388 	struct ath10k_fw_crash_data *fw_crash_data;
389 };
390 
391 enum ath10k_state {
392 	ATH10K_STATE_OFF = 0,
393 	ATH10K_STATE_ON,
394 
395 	/* When doing firmware recovery the device is first powered down.
396 	 * mac80211 is supposed to call in to start() hook later on. It is
397 	 * however possible that driver unloading and firmware crash overlap.
398 	 * mac80211 can wait on conf_mutex in stop() while the device is
399 	 * stopped in ath10k_core_restart() work holding conf_mutex. The state
400 	 * RESTARTED means that the device is up and mac80211 has started hw
401 	 * reconfiguration. Once mac80211 is done with the reconfiguration we
402 	 * set the state to STATE_ON in reconfig_complete(). */
403 	ATH10K_STATE_RESTARTING,
404 	ATH10K_STATE_RESTARTED,
405 
406 	/* The device has crashed while restarting hw. This state is like ON
407 	 * but commands are blocked in HTC and -ECOMM response is given. This
408 	 * prevents completion timeouts and makes the driver more responsive to
409 	 * userspace commands. This is also prevents recursive recovery. */
410 	ATH10K_STATE_WEDGED,
411 
412 	/* factory tests */
413 	ATH10K_STATE_UTF,
414 };
415 
416 enum ath10k_firmware_mode {
417 	/* the default mode, standard 802.11 functionality */
418 	ATH10K_FIRMWARE_MODE_NORMAL,
419 
420 	/* factory tests etc */
421 	ATH10K_FIRMWARE_MODE_UTF,
422 };
423 
424 enum ath10k_fw_features {
425 	/* wmi_mgmt_rx_hdr contains extra RSSI information */
426 	ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0,
427 
428 	/* Firmware from 10X branch. Deprecated, don't use in new code. */
429 	ATH10K_FW_FEATURE_WMI_10X = 1,
430 
431 	/* firmware support tx frame management over WMI, otherwise it's HTT */
432 	ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2,
433 
434 	/* Firmware does not support P2P */
435 	ATH10K_FW_FEATURE_NO_P2P = 3,
436 
437 	/* Firmware 10.2 feature bit. The ATH10K_FW_FEATURE_WMI_10X feature
438 	 * bit is required to be set as well. Deprecated, don't use in new
439 	 * code.
440 	 */
441 	ATH10K_FW_FEATURE_WMI_10_2 = 4,
442 
443 	/* Some firmware revisions lack proper multi-interface client powersave
444 	 * implementation. Enabling PS could result in connection drops,
445 	 * traffic stalls, etc.
446 	 */
447 	ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5,
448 
449 	/* Some firmware revisions have an incomplete WoWLAN implementation
450 	 * despite WMI service bit being advertised. This feature flag is used
451 	 * to distinguish whether WoWLAN is really supported or not.
452 	 */
453 	ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6,
454 
455 	/* Don't trust error code from otp.bin */
456 	ATH10K_FW_FEATURE_IGNORE_OTP_RESULT = 7,
457 
458 	/* Some firmware revisions pad 4th hw address to 4 byte boundary making
459 	 * it 8 bytes long in Native Wifi Rx decap.
460 	 */
461 	ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING = 8,
462 
463 	/* Firmware supports bypassing PLL setting on init. */
464 	ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9,
465 
466 	/* Raw mode support. If supported, FW supports receiving and trasmitting
467 	 * frames in raw mode.
468 	 */
469 	ATH10K_FW_FEATURE_RAW_MODE_SUPPORT = 10,
470 
471 	/* keep last */
472 	ATH10K_FW_FEATURE_COUNT,
473 };
474 
475 enum ath10k_dev_flags {
476 	/* Indicates that ath10k device is during CAC phase of DFS */
477 	ATH10K_CAC_RUNNING,
478 	ATH10K_FLAG_CORE_REGISTERED,
479 
480 	/* Device has crashed and needs to restart. This indicates any pending
481 	 * waiters should immediately cancel instead of waiting for a time out.
482 	 */
483 	ATH10K_FLAG_CRASH_FLUSH,
484 
485 	/* Use Raw mode instead of native WiFi Tx/Rx encap mode.
486 	 * Raw mode supports both hardware and software crypto. Native WiFi only
487 	 * supports hardware crypto.
488 	 */
489 	ATH10K_FLAG_RAW_MODE,
490 
491 	/* Disable HW crypto engine */
492 	ATH10K_FLAG_HW_CRYPTO_DISABLED,
493 };
494 
495 enum ath10k_cal_mode {
496 	ATH10K_CAL_MODE_FILE,
497 	ATH10K_CAL_MODE_OTP,
498 	ATH10K_CAL_MODE_DT,
499 };
500 
501 enum ath10k_crypt_mode {
502 	/* Only use hardware crypto engine */
503 	ATH10K_CRYPT_MODE_HW,
504 	/* Only use software crypto engine */
505 	ATH10K_CRYPT_MODE_SW,
506 };
507 
508 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode)
509 {
510 	switch (mode) {
511 	case ATH10K_CAL_MODE_FILE:
512 		return "file";
513 	case ATH10K_CAL_MODE_OTP:
514 		return "otp";
515 	case ATH10K_CAL_MODE_DT:
516 		return "dt";
517 	}
518 
519 	return "unknown";
520 }
521 
522 enum ath10k_scan_state {
523 	ATH10K_SCAN_IDLE,
524 	ATH10K_SCAN_STARTING,
525 	ATH10K_SCAN_RUNNING,
526 	ATH10K_SCAN_ABORTING,
527 };
528 
529 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state)
530 {
531 	switch (state) {
532 	case ATH10K_SCAN_IDLE:
533 		return "idle";
534 	case ATH10K_SCAN_STARTING:
535 		return "starting";
536 	case ATH10K_SCAN_RUNNING:
537 		return "running";
538 	case ATH10K_SCAN_ABORTING:
539 		return "aborting";
540 	}
541 
542 	return "unknown";
543 }
544 
545 enum ath10k_tx_pause_reason {
546 	ATH10K_TX_PAUSE_Q_FULL,
547 	ATH10K_TX_PAUSE_MAX,
548 };
549 
550 struct ath10k {
551 	struct ath_common ath_common;
552 	struct ieee80211_hw *hw;
553 	struct device *dev;
554 	u8 mac_addr[ETH_ALEN];
555 
556 	enum ath10k_hw_rev hw_rev;
557 	u16 dev_id;
558 	u32 chip_id;
559 	u32 target_version;
560 	u8 fw_version_major;
561 	u32 fw_version_minor;
562 	u16 fw_version_release;
563 	u16 fw_version_build;
564 	u32 fw_stats_req_mask;
565 	u32 phy_capability;
566 	u32 hw_min_tx_power;
567 	u32 hw_max_tx_power;
568 	u32 ht_cap_info;
569 	u32 vht_cap_info;
570 	u32 num_rf_chains;
571 	u32 max_spatial_stream;
572 	/* protected by conf_mutex */
573 	bool ani_enabled;
574 
575 	DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
576 
577 	bool p2p;
578 
579 	struct {
580 		enum ath10k_bus bus;
581 		const struct ath10k_hif_ops *ops;
582 	} hif;
583 
584 	struct completion target_suspend;
585 
586 	const struct ath10k_hw_regs *regs;
587 	const struct ath10k_hw_values *hw_values;
588 	struct ath10k_bmi bmi;
589 	struct ath10k_wmi wmi;
590 	struct ath10k_htc htc;
591 	struct ath10k_htt htt;
592 
593 	struct ath10k_hw_params {
594 		u32 id;
595 		const char *name;
596 		u32 patch_load_addr;
597 		int uart_pin;
598 		u32 otp_exe_param;
599 
600 		/* This is true if given HW chip has a quirky Cycle Counter
601 		 * wraparound which resets to 0x7fffffff instead of 0. All
602 		 * other CC related counters (e.g. Rx Clear Count) are divided
603 		 * by 2 so they never wraparound themselves.
604 		 */
605 		bool has_shifted_cc_wraparound;
606 
607 		/* Some of chip expects fragment descriptor to be continuous
608 		 * memory for any TX operation. Set continuous_frag_desc flag
609 		 * for the hardware which have such requirement.
610 		 */
611 		bool continuous_frag_desc;
612 
613 		u32 channel_counters_freq_hz;
614 
615 		struct ath10k_hw_params_fw {
616 			const char *dir;
617 			const char *fw;
618 			const char *otp;
619 			const char *board;
620 			size_t board_size;
621 			size_t board_ext_size;
622 		} fw;
623 	} hw_params;
624 
625 	const struct firmware *board;
626 	const void *board_data;
627 	size_t board_len;
628 
629 	const struct firmware *otp;
630 	const void *otp_data;
631 	size_t otp_len;
632 
633 	const struct firmware *firmware;
634 	const void *firmware_data;
635 	size_t firmware_len;
636 
637 	const struct firmware *cal_file;
638 
639 	struct {
640 		const void *firmware_codeswap_data;
641 		size_t firmware_codeswap_len;
642 		struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info;
643 	} swap;
644 
645 	char spec_board_id[100];
646 	bool spec_board_loaded;
647 
648 	int fw_api;
649 	enum ath10k_cal_mode cal_mode;
650 
651 	struct {
652 		struct completion started;
653 		struct completion completed;
654 		struct completion on_channel;
655 		struct delayed_work timeout;
656 		enum ath10k_scan_state state;
657 		bool is_roc;
658 		int vdev_id;
659 		int roc_freq;
660 		bool roc_notify;
661 	} scan;
662 
663 	struct {
664 		struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
665 	} mac;
666 
667 	/* should never be NULL; needed for regular htt rx */
668 	struct ieee80211_channel *rx_channel;
669 
670 	/* valid during scan; needed for mgmt rx during scan */
671 	struct ieee80211_channel *scan_channel;
672 
673 	/* current operating channel definition */
674 	struct cfg80211_chan_def chandef;
675 
676 	unsigned long long free_vdev_map;
677 	struct ath10k_vif *monitor_arvif;
678 	bool monitor;
679 	int monitor_vdev_id;
680 	bool monitor_started;
681 	unsigned int filter_flags;
682 	unsigned long dev_flags;
683 	u32 dfs_block_radar_events;
684 
685 	/* protected by conf_mutex */
686 	bool radar_enabled;
687 	int num_started_vdevs;
688 
689 	/* Protected by conf-mutex */
690 	u8 supp_tx_chainmask;
691 	u8 supp_rx_chainmask;
692 	u8 cfg_tx_chainmask;
693 	u8 cfg_rx_chainmask;
694 
695 	struct completion install_key_done;
696 
697 	struct completion vdev_setup_done;
698 
699 	struct workqueue_struct *workqueue;
700 	/* Auxiliary workqueue */
701 	struct workqueue_struct *workqueue_aux;
702 
703 	/* prevents concurrent FW reconfiguration */
704 	struct mutex conf_mutex;
705 
706 	/* protects shared structure data */
707 	spinlock_t data_lock;
708 
709 	struct list_head arvifs;
710 	struct list_head peers;
711 	wait_queue_head_t peer_mapping_wq;
712 
713 	/* protected by conf_mutex */
714 	int num_peers;
715 	int num_stations;
716 
717 	int max_num_peers;
718 	int max_num_stations;
719 	int max_num_vdevs;
720 	int max_num_tdls_vdevs;
721 	int num_active_peers;
722 	int num_tids;
723 
724 	struct work_struct svc_rdy_work;
725 	struct sk_buff *svc_rdy_skb;
726 
727 	struct work_struct offchan_tx_work;
728 	struct sk_buff_head offchan_tx_queue;
729 	struct completion offchan_tx_completed;
730 	struct sk_buff *offchan_tx_skb;
731 
732 	struct work_struct wmi_mgmt_tx_work;
733 	struct sk_buff_head wmi_mgmt_tx_queue;
734 
735 	enum ath10k_state state;
736 
737 	struct work_struct register_work;
738 	struct work_struct restart_work;
739 
740 	/* cycle count is reported twice for each visited channel during scan.
741 	 * access protected by data_lock */
742 	u32 survey_last_rx_clear_count;
743 	u32 survey_last_cycle_count;
744 	struct survey_info survey[ATH10K_NUM_CHANS];
745 
746 	/* Channel info events are expected to come in pairs without and with
747 	 * COMPLETE flag set respectively for each channel visit during scan.
748 	 *
749 	 * However there are deviations from this rule. This flag is used to
750 	 * avoid reporting garbage data.
751 	 */
752 	bool ch_info_can_report_survey;
753 
754 	struct dfs_pattern_detector *dfs_detector;
755 
756 	unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */
757 
758 #ifdef CONFIG_ATH10K_DEBUGFS
759 	struct ath10k_debug debug;
760 #endif
761 
762 	struct {
763 		/* relay(fs) channel for spectral scan */
764 		struct rchan *rfs_chan_spec_scan;
765 
766 		/* spectral_mode and spec_config are protected by conf_mutex */
767 		enum ath10k_spectral_mode mode;
768 		struct ath10k_spec_scan config;
769 	} spectral;
770 
771 	struct {
772 		/* protected by conf_mutex */
773 		const struct firmware *utf;
774 		DECLARE_BITMAP(orig_fw_features, ATH10K_FW_FEATURE_COUNT);
775 		enum ath10k_fw_wmi_op_version orig_wmi_op_version;
776 
777 		/* protected by data_lock */
778 		bool utf_monitor;
779 	} testmode;
780 
781 	struct {
782 		/* protected by data_lock */
783 		u32 fw_crash_counter;
784 		u32 fw_warm_reset_counter;
785 		u32 fw_cold_reset_counter;
786 	} stats;
787 
788 	struct ath10k_thermal thermal;
789 	struct ath10k_wow wow;
790 
791 	/* must be last */
792 	u8 drv_priv[0] __aligned(sizeof(void *));
793 };
794 
795 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
796 				  enum ath10k_bus bus,
797 				  enum ath10k_hw_rev hw_rev,
798 				  const struct ath10k_hif_ops *hif_ops);
799 void ath10k_core_destroy(struct ath10k *ar);
800 void ath10k_core_get_fw_features_str(struct ath10k *ar,
801 				     char *buf,
802 				     size_t max_len);
803 
804 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode);
805 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt);
806 void ath10k_core_stop(struct ath10k *ar);
807 int ath10k_core_register(struct ath10k *ar, u32 chip_id);
808 void ath10k_core_unregister(struct ath10k *ar);
809 
810 #endif /* _CORE_H_ */
811