xref: /openbmc/linux/drivers/net/wireless/ath/ath10k/core.h (revision bbde9fc1824aab58bc78c084163007dd6c03fe5b)
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 		struct ath10k_htt_txbuf *txbuf;
96 		u32 txbuf_paddr;
97 	} __packed htt;
98 
99 	struct {
100 		bool dtim_zero;
101 		bool deliver_cab;
102 	} bcn;
103 } __packed;
104 
105 struct ath10k_skb_rxcb {
106 	dma_addr_t paddr;
107 	struct hlist_node hlist;
108 };
109 
110 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
111 {
112 	BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) >
113 		     IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
114 	return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data;
115 }
116 
117 static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb)
118 {
119 	BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb));
120 	return (struct ath10k_skb_rxcb *)skb->cb;
121 }
122 
123 #define ATH10K_RXCB_SKB(rxcb) \
124 		container_of((void *)rxcb, struct sk_buff, cb)
125 
126 static inline u32 host_interest_item_address(u32 item_offset)
127 {
128 	return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
129 }
130 
131 struct ath10k_bmi {
132 	bool done_sent;
133 };
134 
135 struct ath10k_mem_chunk {
136 	void *vaddr;
137 	dma_addr_t paddr;
138 	u32 len;
139 	u32 req_id;
140 };
141 
142 struct ath10k_wmi {
143 	enum ath10k_fw_wmi_op_version op_version;
144 	enum ath10k_htc_ep_id eid;
145 	struct completion service_ready;
146 	struct completion unified_ready;
147 	wait_queue_head_t tx_credits_wq;
148 	DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX);
149 	struct wmi_cmd_map *cmd;
150 	struct wmi_vdev_param_map *vdev_param;
151 	struct wmi_pdev_param_map *pdev_param;
152 	const struct wmi_ops *ops;
153 
154 	u32 num_mem_chunks;
155 	struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS];
156 };
157 
158 struct ath10k_fw_stats_peer {
159 	struct list_head list;
160 
161 	u8 peer_macaddr[ETH_ALEN];
162 	u32 peer_rssi;
163 	u32 peer_tx_rate;
164 	u32 peer_rx_rate; /* 10x only */
165 };
166 
167 struct ath10k_fw_stats_vdev {
168 	struct list_head list;
169 
170 	u32 vdev_id;
171 	u32 beacon_snr;
172 	u32 data_snr;
173 	u32 num_tx_frames[4];
174 	u32 num_rx_frames;
175 	u32 num_tx_frames_retries[4];
176 	u32 num_tx_frames_failures[4];
177 	u32 num_rts_fail;
178 	u32 num_rts_success;
179 	u32 num_rx_err;
180 	u32 num_rx_discard;
181 	u32 num_tx_not_acked;
182 	u32 tx_rate_history[10];
183 	u32 beacon_rssi_history[10];
184 };
185 
186 struct ath10k_fw_stats_pdev {
187 	struct list_head list;
188 
189 	/* PDEV stats */
190 	s32 ch_noise_floor;
191 	u32 tx_frame_count;
192 	u32 rx_frame_count;
193 	u32 rx_clear_count;
194 	u32 cycle_count;
195 	u32 phy_err_count;
196 	u32 chan_tx_power;
197 	u32 ack_rx_bad;
198 	u32 rts_bad;
199 	u32 rts_good;
200 	u32 fcs_bad;
201 	u32 no_beacons;
202 	u32 mib_int_count;
203 
204 	/* PDEV TX stats */
205 	s32 comp_queued;
206 	s32 comp_delivered;
207 	s32 msdu_enqued;
208 	s32 mpdu_enqued;
209 	s32 wmm_drop;
210 	s32 local_enqued;
211 	s32 local_freed;
212 	s32 hw_queued;
213 	s32 hw_reaped;
214 	s32 underrun;
215 	s32 tx_abort;
216 	s32 mpdus_requed;
217 	u32 tx_ko;
218 	u32 data_rc;
219 	u32 self_triggers;
220 	u32 sw_retry_failure;
221 	u32 illgl_rate_phy_err;
222 	u32 pdev_cont_xretry;
223 	u32 pdev_tx_timeout;
224 	u32 pdev_resets;
225 	u32 phy_underrun;
226 	u32 txop_ovf;
227 
228 	/* PDEV RX stats */
229 	s32 mid_ppdu_route_change;
230 	s32 status_rcvd;
231 	s32 r0_frags;
232 	s32 r1_frags;
233 	s32 r2_frags;
234 	s32 r3_frags;
235 	s32 htt_msdus;
236 	s32 htt_mpdus;
237 	s32 loc_msdus;
238 	s32 loc_mpdus;
239 	s32 oversize_amsdu;
240 	s32 phy_errs;
241 	s32 phy_err_drop;
242 	s32 mpdu_errs;
243 };
244 
245 struct ath10k_fw_stats {
246 	struct list_head pdevs;
247 	struct list_head vdevs;
248 	struct list_head peers;
249 };
250 
251 struct ath10k_dfs_stats {
252 	u32 phy_errors;
253 	u32 pulses_total;
254 	u32 pulses_detected;
255 	u32 pulses_discarded;
256 	u32 radar_detected;
257 };
258 
259 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */
260 
261 struct ath10k_peer {
262 	struct list_head list;
263 	int vdev_id;
264 	u8 addr[ETH_ALEN];
265 	DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS);
266 
267 	/* protected by ar->data_lock */
268 	struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
269 };
270 
271 struct ath10k_sta {
272 	struct ath10k_vif *arvif;
273 
274 	/* the following are protected by ar->data_lock */
275 	u32 changed; /* IEEE80211_RC_* */
276 	u32 bw;
277 	u32 nss;
278 	u32 smps;
279 
280 	struct work_struct update_wk;
281 
282 #ifdef CONFIG_MAC80211_DEBUGFS
283 	/* protected by conf_mutex */
284 	bool aggr_mode;
285 #endif
286 };
287 
288 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ)
289 
290 enum ath10k_beacon_state {
291 	ATH10K_BEACON_SCHEDULED = 0,
292 	ATH10K_BEACON_SENDING,
293 	ATH10K_BEACON_SENT,
294 };
295 
296 struct ath10k_vif {
297 	struct list_head list;
298 
299 	u32 vdev_id;
300 	enum wmi_vdev_type vdev_type;
301 	enum wmi_vdev_subtype vdev_subtype;
302 	u32 beacon_interval;
303 	u32 dtim_period;
304 	struct sk_buff *beacon;
305 	/* protected by data_lock */
306 	enum ath10k_beacon_state beacon_state;
307 	void *beacon_buf;
308 	dma_addr_t beacon_paddr;
309 	unsigned long tx_paused; /* arbitrary values defined by target */
310 
311 	struct ath10k *ar;
312 	struct ieee80211_vif *vif;
313 
314 	bool is_started;
315 	bool is_up;
316 	bool spectral_enabled;
317 	bool ps;
318 	u32 aid;
319 	u8 bssid[ETH_ALEN];
320 
321 	struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1];
322 	s8 def_wep_key_idx;
323 
324 	u16 tx_seq_no;
325 
326 	union {
327 		struct {
328 			u32 uapsd;
329 		} sta;
330 		struct {
331 			/* 512 stations */
332 			u8 tim_bitmap[64];
333 			u8 tim_len;
334 			u32 ssid_len;
335 			u8 ssid[IEEE80211_MAX_SSID_LEN];
336 			bool hidden_ssid;
337 			/* P2P_IE with NoA attribute for P2P_GO case */
338 			u32 noa_len;
339 			u8 *noa_data;
340 		} ap;
341 	} u;
342 
343 	bool use_cts_prot;
344 	int num_legacy_stations;
345 	int txpower;
346 	struct wmi_wmm_params_all_arg wmm_params;
347 	struct work_struct ap_csa_work;
348 	struct delayed_work connection_loss_work;
349 	struct cfg80211_bitrate_mask bitrate_mask;
350 };
351 
352 struct ath10k_vif_iter {
353 	u32 vdev_id;
354 	struct ath10k_vif *arvif;
355 };
356 
357 /* used for crash-dump storage, protected by data-lock */
358 struct ath10k_fw_crash_data {
359 	bool crashed_since_read;
360 
361 	uuid_le uuid;
362 	struct timespec timestamp;
363 	__le32 registers[REG_DUMP_COUNT_QCA988X];
364 };
365 
366 struct ath10k_debug {
367 	struct dentry *debugfs_phy;
368 
369 	struct ath10k_fw_stats fw_stats;
370 	struct completion fw_stats_complete;
371 	bool fw_stats_done;
372 
373 	unsigned long htt_stats_mask;
374 	struct delayed_work htt_stats_dwork;
375 	struct ath10k_dfs_stats dfs_stats;
376 	struct ath_dfs_pool_stats dfs_pool_stats;
377 
378 	/* protected by conf_mutex */
379 	u32 fw_dbglog_mask;
380 	u32 fw_dbglog_level;
381 	u32 pktlog_filter;
382 	u32 reg_addr;
383 	u32 nf_cal_period;
384 
385 	u8 htt_max_amsdu;
386 	u8 htt_max_ampdu;
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,
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,
462 
463 	/* Firmware supports bypassing PLL setting on init. */
464 	ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9,
465 
466 	/* keep last */
467 	ATH10K_FW_FEATURE_COUNT,
468 };
469 
470 enum ath10k_dev_flags {
471 	/* Indicates that ath10k device is during CAC phase of DFS */
472 	ATH10K_CAC_RUNNING,
473 	ATH10K_FLAG_CORE_REGISTERED,
474 
475 	/* Device has crashed and needs to restart. This indicates any pending
476 	 * waiters should immediately cancel instead of waiting for a time out.
477 	 */
478 	ATH10K_FLAG_CRASH_FLUSH,
479 };
480 
481 enum ath10k_cal_mode {
482 	ATH10K_CAL_MODE_FILE,
483 	ATH10K_CAL_MODE_OTP,
484 	ATH10K_CAL_MODE_DT,
485 };
486 
487 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode)
488 {
489 	switch (mode) {
490 	case ATH10K_CAL_MODE_FILE:
491 		return "file";
492 	case ATH10K_CAL_MODE_OTP:
493 		return "otp";
494 	case ATH10K_CAL_MODE_DT:
495 		return "dt";
496 	}
497 
498 	return "unknown";
499 }
500 
501 enum ath10k_scan_state {
502 	ATH10K_SCAN_IDLE,
503 	ATH10K_SCAN_STARTING,
504 	ATH10K_SCAN_RUNNING,
505 	ATH10K_SCAN_ABORTING,
506 };
507 
508 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state)
509 {
510 	switch (state) {
511 	case ATH10K_SCAN_IDLE:
512 		return "idle";
513 	case ATH10K_SCAN_STARTING:
514 		return "starting";
515 	case ATH10K_SCAN_RUNNING:
516 		return "running";
517 	case ATH10K_SCAN_ABORTING:
518 		return "aborting";
519 	}
520 
521 	return "unknown";
522 }
523 
524 enum ath10k_tx_pause_reason {
525 	ATH10K_TX_PAUSE_Q_FULL,
526 	ATH10K_TX_PAUSE_MAX,
527 };
528 
529 struct ath10k {
530 	struct ath_common ath_common;
531 	struct ieee80211_hw *hw;
532 	struct device *dev;
533 	u8 mac_addr[ETH_ALEN];
534 
535 	enum ath10k_hw_rev hw_rev;
536 	u32 chip_id;
537 	u32 target_version;
538 	u8 fw_version_major;
539 	u32 fw_version_minor;
540 	u16 fw_version_release;
541 	u16 fw_version_build;
542 	u32 fw_stats_req_mask;
543 	u32 phy_capability;
544 	u32 hw_min_tx_power;
545 	u32 hw_max_tx_power;
546 	u32 ht_cap_info;
547 	u32 vht_cap_info;
548 	u32 num_rf_chains;
549 	u32 max_spatial_stream;
550 	/* protected by conf_mutex */
551 	bool ani_enabled;
552 
553 	DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
554 
555 	bool p2p;
556 
557 	struct {
558 		enum ath10k_bus bus;
559 		const struct ath10k_hif_ops *ops;
560 	} hif;
561 
562 	struct completion target_suspend;
563 
564 	const struct ath10k_hw_regs *regs;
565 	const struct ath10k_hw_values *hw_values;
566 	struct ath10k_bmi bmi;
567 	struct ath10k_wmi wmi;
568 	struct ath10k_htc htc;
569 	struct ath10k_htt htt;
570 
571 	struct ath10k_hw_params {
572 		u32 id;
573 		const char *name;
574 		u32 patch_load_addr;
575 		int uart_pin;
576 		u32 otp_exe_param;
577 
578 		/* This is true if given HW chip has a quirky Cycle Counter
579 		 * wraparound which resets to 0x7fffffff instead of 0. All
580 		 * other CC related counters (e.g. Rx Clear Count) are divided
581 		 * by 2 so they never wraparound themselves.
582 		 */
583 		bool has_shifted_cc_wraparound;
584 
585 		/* Some of chip expects fragment descriptor to be continuous
586 		 * memory for any TX operation. Set continuous_frag_desc flag
587 		 * for the hardware which have such requirement.
588 		 */
589 		bool continuous_frag_desc;
590 
591 		struct ath10k_hw_params_fw {
592 			const char *dir;
593 			const char *fw;
594 			const char *otp;
595 			const char *board;
596 			size_t board_size;
597 			size_t board_ext_size;
598 		} fw;
599 	} hw_params;
600 
601 	const struct firmware *board;
602 	const void *board_data;
603 	size_t board_len;
604 
605 	const struct firmware *otp;
606 	const void *otp_data;
607 	size_t otp_len;
608 
609 	const struct firmware *firmware;
610 	const void *firmware_data;
611 	size_t firmware_len;
612 
613 	const struct firmware *cal_file;
614 
615 	struct {
616 		const void *firmware_codeswap_data;
617 		size_t firmware_codeswap_len;
618 		struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info;
619 	} swap;
620 
621 	char spec_board_id[100];
622 	bool spec_board_loaded;
623 
624 	int fw_api;
625 	enum ath10k_cal_mode cal_mode;
626 
627 	struct {
628 		struct completion started;
629 		struct completion completed;
630 		struct completion on_channel;
631 		struct delayed_work timeout;
632 		enum ath10k_scan_state state;
633 		bool is_roc;
634 		int vdev_id;
635 		int roc_freq;
636 		bool roc_notify;
637 	} scan;
638 
639 	struct {
640 		struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
641 	} mac;
642 
643 	/* should never be NULL; needed for regular htt rx */
644 	struct ieee80211_channel *rx_channel;
645 
646 	/* valid during scan; needed for mgmt rx during scan */
647 	struct ieee80211_channel *scan_channel;
648 
649 	/* current operating channel definition */
650 	struct cfg80211_chan_def chandef;
651 
652 	unsigned long long free_vdev_map;
653 	struct ath10k_vif *monitor_arvif;
654 	bool monitor;
655 	int monitor_vdev_id;
656 	bool monitor_started;
657 	unsigned int filter_flags;
658 	unsigned long dev_flags;
659 	u32 dfs_block_radar_events;
660 
661 	/* protected by conf_mutex */
662 	bool radar_enabled;
663 	int num_started_vdevs;
664 
665 	/* Protected by conf-mutex */
666 	u8 supp_tx_chainmask;
667 	u8 supp_rx_chainmask;
668 	u8 cfg_tx_chainmask;
669 	u8 cfg_rx_chainmask;
670 
671 	struct completion install_key_done;
672 
673 	struct completion vdev_setup_done;
674 
675 	struct workqueue_struct *workqueue;
676 
677 	/* prevents concurrent FW reconfiguration */
678 	struct mutex conf_mutex;
679 
680 	/* protects shared structure data */
681 	spinlock_t data_lock;
682 
683 	struct list_head arvifs;
684 	struct list_head peers;
685 	wait_queue_head_t peer_mapping_wq;
686 
687 	/* protected by conf_mutex */
688 	int num_peers;
689 	int num_stations;
690 
691 	int max_num_peers;
692 	int max_num_stations;
693 	int max_num_vdevs;
694 	int max_num_tdls_vdevs;
695 	int num_active_peers;
696 	int num_tids;
697 
698 	struct work_struct offchan_tx_work;
699 	struct sk_buff_head offchan_tx_queue;
700 	struct completion offchan_tx_completed;
701 	struct sk_buff *offchan_tx_skb;
702 
703 	struct work_struct wmi_mgmt_tx_work;
704 	struct sk_buff_head wmi_mgmt_tx_queue;
705 
706 	enum ath10k_state state;
707 
708 	struct work_struct register_work;
709 	struct work_struct restart_work;
710 
711 	/* cycle count is reported twice for each visited channel during scan.
712 	 * access protected by data_lock */
713 	u32 survey_last_rx_clear_count;
714 	u32 survey_last_cycle_count;
715 	struct survey_info survey[ATH10K_NUM_CHANS];
716 
717 	/* Channel info events are expected to come in pairs without and with
718 	 * COMPLETE flag set respectively for each channel visit during scan.
719 	 *
720 	 * However there are deviations from this rule. This flag is used to
721 	 * avoid reporting garbage data.
722 	 */
723 	bool ch_info_can_report_survey;
724 
725 	struct dfs_pattern_detector *dfs_detector;
726 
727 	unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */
728 
729 #ifdef CONFIG_ATH10K_DEBUGFS
730 	struct ath10k_debug debug;
731 #endif
732 
733 	struct {
734 		/* relay(fs) channel for spectral scan */
735 		struct rchan *rfs_chan_spec_scan;
736 
737 		/* spectral_mode and spec_config are protected by conf_mutex */
738 		enum ath10k_spectral_mode mode;
739 		struct ath10k_spec_scan config;
740 	} spectral;
741 
742 	struct {
743 		/* protected by conf_mutex */
744 		const struct firmware *utf;
745 		DECLARE_BITMAP(orig_fw_features, ATH10K_FW_FEATURE_COUNT);
746 		enum ath10k_fw_wmi_op_version orig_wmi_op_version;
747 
748 		/* protected by data_lock */
749 		bool utf_monitor;
750 	} testmode;
751 
752 	struct {
753 		/* protected by data_lock */
754 		u32 fw_crash_counter;
755 		u32 fw_warm_reset_counter;
756 		u32 fw_cold_reset_counter;
757 	} stats;
758 
759 	struct ath10k_thermal thermal;
760 	struct ath10k_wow wow;
761 
762 	/* must be last */
763 	u8 drv_priv[0] __aligned(sizeof(void *));
764 };
765 
766 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
767 				  enum ath10k_bus bus,
768 				  enum ath10k_hw_rev hw_rev,
769 				  const struct ath10k_hif_ops *hif_ops);
770 void ath10k_core_destroy(struct ath10k *ar);
771 void ath10k_core_get_fw_features_str(struct ath10k *ar,
772 				     char *buf,
773 				     size_t max_len);
774 
775 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode);
776 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt);
777 void ath10k_core_stop(struct ath10k *ar);
778 int ath10k_core_register(struct ath10k *ar, u32 chip_id);
779 void ath10k_core_unregister(struct ath10k *ar);
780 
781 #endif /* _CORE_H_ */
782