xref: /linux/drivers/net/wireless/ath/ath10k/core.h (revision a4cdb556cae05cd3e7b602b3a44c01420c4e2258)
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 	u32 hw_paused;
218 	s32 tx_abort;
219 	s32 mpdus_requed;
220 	u32 tx_ko;
221 	u32 data_rc;
222 	u32 self_triggers;
223 	u32 sw_retry_failure;
224 	u32 illgl_rate_phy_err;
225 	u32 pdev_cont_xretry;
226 	u32 pdev_tx_timeout;
227 	u32 pdev_resets;
228 	u32 phy_underrun;
229 	u32 txop_ovf;
230 	u32 seq_posted;
231 	u32 seq_failed_queueing;
232 	u32 seq_completed;
233 	u32 seq_restarted;
234 	u32 mu_seq_posted;
235 	u32 mpdus_sw_flush;
236 	u32 mpdus_hw_filter;
237 	u32 mpdus_truncated;
238 	u32 mpdus_ack_failed;
239 	u32 mpdus_expired;
240 
241 	/* PDEV RX stats */
242 	s32 mid_ppdu_route_change;
243 	s32 status_rcvd;
244 	s32 r0_frags;
245 	s32 r1_frags;
246 	s32 r2_frags;
247 	s32 r3_frags;
248 	s32 htt_msdus;
249 	s32 htt_mpdus;
250 	s32 loc_msdus;
251 	s32 loc_mpdus;
252 	s32 oversize_amsdu;
253 	s32 phy_errs;
254 	s32 phy_err_drop;
255 	s32 mpdu_errs;
256 	s32 rx_ovfl_errs;
257 };
258 
259 struct ath10k_fw_stats {
260 	struct list_head pdevs;
261 	struct list_head vdevs;
262 	struct list_head peers;
263 };
264 
265 #define ATH10K_TPC_TABLE_TYPE_FLAG	1
266 #define ATH10K_TPC_PREAM_TABLE_END	0xFFFF
267 
268 struct ath10k_tpc_table {
269 	u32 pream_idx[WMI_TPC_RATE_MAX];
270 	u8 rate_code[WMI_TPC_RATE_MAX];
271 	char tpc_value[WMI_TPC_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE];
272 };
273 
274 struct ath10k_tpc_stats {
275 	u32 reg_domain;
276 	u32 chan_freq;
277 	u32 phy_mode;
278 	u32 twice_antenna_reduction;
279 	u32 twice_max_rd_power;
280 	s32 twice_antenna_gain;
281 	u32 power_limit;
282 	u32 num_tx_chain;
283 	u32 ctl;
284 	u32 rate_max;
285 	u8 flag[WMI_TPC_FLAG];
286 	struct ath10k_tpc_table tpc_table[WMI_TPC_FLAG];
287 };
288 
289 struct ath10k_dfs_stats {
290 	u32 phy_errors;
291 	u32 pulses_total;
292 	u32 pulses_detected;
293 	u32 pulses_discarded;
294 	u32 radar_detected;
295 };
296 
297 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */
298 
299 struct ath10k_peer {
300 	struct list_head list;
301 	int vdev_id;
302 	u8 addr[ETH_ALEN];
303 	DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS);
304 
305 	/* protected by ar->data_lock */
306 	struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
307 };
308 
309 struct ath10k_sta {
310 	struct ath10k_vif *arvif;
311 
312 	/* the following are protected by ar->data_lock */
313 	u32 changed; /* IEEE80211_RC_* */
314 	u32 bw;
315 	u32 nss;
316 	u32 smps;
317 
318 	struct work_struct update_wk;
319 
320 #ifdef CONFIG_MAC80211_DEBUGFS
321 	/* protected by conf_mutex */
322 	bool aggr_mode;
323 #endif
324 };
325 
326 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ)
327 
328 enum ath10k_beacon_state {
329 	ATH10K_BEACON_SCHEDULED = 0,
330 	ATH10K_BEACON_SENDING,
331 	ATH10K_BEACON_SENT,
332 };
333 
334 struct ath10k_vif {
335 	struct list_head list;
336 
337 	u32 vdev_id;
338 	enum wmi_vdev_type vdev_type;
339 	enum wmi_vdev_subtype vdev_subtype;
340 	u32 beacon_interval;
341 	u32 dtim_period;
342 	struct sk_buff *beacon;
343 	/* protected by data_lock */
344 	enum ath10k_beacon_state beacon_state;
345 	void *beacon_buf;
346 	dma_addr_t beacon_paddr;
347 	unsigned long tx_paused; /* arbitrary values defined by target */
348 
349 	struct ath10k *ar;
350 	struct ieee80211_vif *vif;
351 
352 	bool is_started;
353 	bool is_up;
354 	bool spectral_enabled;
355 	bool ps;
356 	u32 aid;
357 	u8 bssid[ETH_ALEN];
358 
359 	struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1];
360 	s8 def_wep_key_idx;
361 
362 	u16 tx_seq_no;
363 
364 	union {
365 		struct {
366 			u32 uapsd;
367 		} sta;
368 		struct {
369 			/* 512 stations */
370 			u8 tim_bitmap[64];
371 			u8 tim_len;
372 			u32 ssid_len;
373 			u8 ssid[IEEE80211_MAX_SSID_LEN];
374 			bool hidden_ssid;
375 			/* P2P_IE with NoA attribute for P2P_GO case */
376 			u32 noa_len;
377 			u8 *noa_data;
378 		} ap;
379 	} u;
380 
381 	bool use_cts_prot;
382 	bool nohwcrypt;
383 	int num_legacy_stations;
384 	int txpower;
385 	struct wmi_wmm_params_all_arg wmm_params;
386 	struct work_struct ap_csa_work;
387 	struct delayed_work connection_loss_work;
388 	struct cfg80211_bitrate_mask bitrate_mask;
389 };
390 
391 struct ath10k_vif_iter {
392 	u32 vdev_id;
393 	struct ath10k_vif *arvif;
394 };
395 
396 /* used for crash-dump storage, protected by data-lock */
397 struct ath10k_fw_crash_data {
398 	bool crashed_since_read;
399 
400 	uuid_le uuid;
401 	struct timespec timestamp;
402 	__le32 registers[REG_DUMP_COUNT_QCA988X];
403 };
404 
405 struct ath10k_debug {
406 	struct dentry *debugfs_phy;
407 
408 	struct ath10k_fw_stats fw_stats;
409 	struct completion fw_stats_complete;
410 	bool fw_stats_done;
411 
412 	unsigned long htt_stats_mask;
413 	struct delayed_work htt_stats_dwork;
414 	struct ath10k_dfs_stats dfs_stats;
415 	struct ath_dfs_pool_stats dfs_pool_stats;
416 
417 	/* used for tpc-dump storage, protected by data-lock */
418 	struct ath10k_tpc_stats *tpc_stats;
419 
420 	struct completion tpc_complete;
421 
422 	/* protected by conf_mutex */
423 	u32 fw_dbglog_mask;
424 	u32 fw_dbglog_level;
425 	u32 pktlog_filter;
426 	u32 reg_addr;
427 	u32 nf_cal_period;
428 
429 	struct ath10k_fw_crash_data *fw_crash_data;
430 };
431 
432 enum ath10k_state {
433 	ATH10K_STATE_OFF = 0,
434 	ATH10K_STATE_ON,
435 
436 	/* When doing firmware recovery the device is first powered down.
437 	 * mac80211 is supposed to call in to start() hook later on. It is
438 	 * however possible that driver unloading and firmware crash overlap.
439 	 * mac80211 can wait on conf_mutex in stop() while the device is
440 	 * stopped in ath10k_core_restart() work holding conf_mutex. The state
441 	 * RESTARTED means that the device is up and mac80211 has started hw
442 	 * reconfiguration. Once mac80211 is done with the reconfiguration we
443 	 * set the state to STATE_ON in reconfig_complete(). */
444 	ATH10K_STATE_RESTARTING,
445 	ATH10K_STATE_RESTARTED,
446 
447 	/* The device has crashed while restarting hw. This state is like ON
448 	 * but commands are blocked in HTC and -ECOMM response is given. This
449 	 * prevents completion timeouts and makes the driver more responsive to
450 	 * userspace commands. This is also prevents recursive recovery. */
451 	ATH10K_STATE_WEDGED,
452 
453 	/* factory tests */
454 	ATH10K_STATE_UTF,
455 };
456 
457 enum ath10k_firmware_mode {
458 	/* the default mode, standard 802.11 functionality */
459 	ATH10K_FIRMWARE_MODE_NORMAL,
460 
461 	/* factory tests etc */
462 	ATH10K_FIRMWARE_MODE_UTF,
463 };
464 
465 enum ath10k_fw_features {
466 	/* wmi_mgmt_rx_hdr contains extra RSSI information */
467 	ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0,
468 
469 	/* Firmware from 10X branch. Deprecated, don't use in new code. */
470 	ATH10K_FW_FEATURE_WMI_10X = 1,
471 
472 	/* firmware support tx frame management over WMI, otherwise it's HTT */
473 	ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2,
474 
475 	/* Firmware does not support P2P */
476 	ATH10K_FW_FEATURE_NO_P2P = 3,
477 
478 	/* Firmware 10.2 feature bit. The ATH10K_FW_FEATURE_WMI_10X feature
479 	 * bit is required to be set as well. Deprecated, don't use in new
480 	 * code.
481 	 */
482 	ATH10K_FW_FEATURE_WMI_10_2 = 4,
483 
484 	/* Some firmware revisions lack proper multi-interface client powersave
485 	 * implementation. Enabling PS could result in connection drops,
486 	 * traffic stalls, etc.
487 	 */
488 	ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5,
489 
490 	/* Some firmware revisions have an incomplete WoWLAN implementation
491 	 * despite WMI service bit being advertised. This feature flag is used
492 	 * to distinguish whether WoWLAN is really supported or not.
493 	 */
494 	ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6,
495 
496 	/* Don't trust error code from otp.bin */
497 	ATH10K_FW_FEATURE_IGNORE_OTP_RESULT = 7,
498 
499 	/* Some firmware revisions pad 4th hw address to 4 byte boundary making
500 	 * it 8 bytes long in Native Wifi Rx decap.
501 	 */
502 	ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING = 8,
503 
504 	/* Firmware supports bypassing PLL setting on init. */
505 	ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9,
506 
507 	/* Raw mode support. If supported, FW supports receiving and trasmitting
508 	 * frames in raw mode.
509 	 */
510 	ATH10K_FW_FEATURE_RAW_MODE_SUPPORT = 10,
511 
512 	/* Firmware Supports Adaptive CCA*/
513 	ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA = 11,
514 
515 	/* keep last */
516 	ATH10K_FW_FEATURE_COUNT,
517 };
518 
519 enum ath10k_dev_flags {
520 	/* Indicates that ath10k device is during CAC phase of DFS */
521 	ATH10K_CAC_RUNNING,
522 	ATH10K_FLAG_CORE_REGISTERED,
523 
524 	/* Device has crashed and needs to restart. This indicates any pending
525 	 * waiters should immediately cancel instead of waiting for a time out.
526 	 */
527 	ATH10K_FLAG_CRASH_FLUSH,
528 
529 	/* Use Raw mode instead of native WiFi Tx/Rx encap mode.
530 	 * Raw mode supports both hardware and software crypto. Native WiFi only
531 	 * supports hardware crypto.
532 	 */
533 	ATH10K_FLAG_RAW_MODE,
534 
535 	/* Disable HW crypto engine */
536 	ATH10K_FLAG_HW_CRYPTO_DISABLED,
537 };
538 
539 enum ath10k_cal_mode {
540 	ATH10K_CAL_MODE_FILE,
541 	ATH10K_CAL_MODE_OTP,
542 	ATH10K_CAL_MODE_DT,
543 };
544 
545 enum ath10k_crypt_mode {
546 	/* Only use hardware crypto engine */
547 	ATH10K_CRYPT_MODE_HW,
548 	/* Only use software crypto engine */
549 	ATH10K_CRYPT_MODE_SW,
550 };
551 
552 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode)
553 {
554 	switch (mode) {
555 	case ATH10K_CAL_MODE_FILE:
556 		return "file";
557 	case ATH10K_CAL_MODE_OTP:
558 		return "otp";
559 	case ATH10K_CAL_MODE_DT:
560 		return "dt";
561 	}
562 
563 	return "unknown";
564 }
565 
566 enum ath10k_scan_state {
567 	ATH10K_SCAN_IDLE,
568 	ATH10K_SCAN_STARTING,
569 	ATH10K_SCAN_RUNNING,
570 	ATH10K_SCAN_ABORTING,
571 };
572 
573 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state)
574 {
575 	switch (state) {
576 	case ATH10K_SCAN_IDLE:
577 		return "idle";
578 	case ATH10K_SCAN_STARTING:
579 		return "starting";
580 	case ATH10K_SCAN_RUNNING:
581 		return "running";
582 	case ATH10K_SCAN_ABORTING:
583 		return "aborting";
584 	}
585 
586 	return "unknown";
587 }
588 
589 enum ath10k_tx_pause_reason {
590 	ATH10K_TX_PAUSE_Q_FULL,
591 	ATH10K_TX_PAUSE_MAX,
592 };
593 
594 struct ath10k {
595 	struct ath_common ath_common;
596 	struct ieee80211_hw *hw;
597 	struct device *dev;
598 	u8 mac_addr[ETH_ALEN];
599 
600 	enum ath10k_hw_rev hw_rev;
601 	u16 dev_id;
602 	u32 chip_id;
603 	u32 target_version;
604 	u8 fw_version_major;
605 	u32 fw_version_minor;
606 	u16 fw_version_release;
607 	u16 fw_version_build;
608 	u32 fw_stats_req_mask;
609 	u32 phy_capability;
610 	u32 hw_min_tx_power;
611 	u32 hw_max_tx_power;
612 	u32 ht_cap_info;
613 	u32 vht_cap_info;
614 	u32 num_rf_chains;
615 	u32 max_spatial_stream;
616 	/* protected by conf_mutex */
617 	bool ani_enabled;
618 
619 	DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
620 
621 	bool p2p;
622 
623 	struct {
624 		enum ath10k_bus bus;
625 		const struct ath10k_hif_ops *ops;
626 	} hif;
627 
628 	struct completion target_suspend;
629 
630 	const struct ath10k_hw_regs *regs;
631 	const struct ath10k_hw_values *hw_values;
632 	struct ath10k_bmi bmi;
633 	struct ath10k_wmi wmi;
634 	struct ath10k_htc htc;
635 	struct ath10k_htt htt;
636 
637 	struct ath10k_hw_params {
638 		u32 id;
639 		u16 dev_id;
640 		const char *name;
641 		u32 patch_load_addr;
642 		int uart_pin;
643 		u32 otp_exe_param;
644 
645 		/* This is true if given HW chip has a quirky Cycle Counter
646 		 * wraparound which resets to 0x7fffffff instead of 0. All
647 		 * other CC related counters (e.g. Rx Clear Count) are divided
648 		 * by 2 so they never wraparound themselves.
649 		 */
650 		bool has_shifted_cc_wraparound;
651 
652 		/* Some of chip expects fragment descriptor to be continuous
653 		 * memory for any TX operation. Set continuous_frag_desc flag
654 		 * for the hardware which have such requirement.
655 		 */
656 		bool continuous_frag_desc;
657 
658 		u32 channel_counters_freq_hz;
659 
660 		/* Mgmt tx descriptors threshold for limiting probe response
661 		 * frames.
662 		 */
663 		u32 max_probe_resp_desc_thres;
664 
665 		struct ath10k_hw_params_fw {
666 			const char *dir;
667 			const char *fw;
668 			const char *otp;
669 			const char *board;
670 			size_t board_size;
671 			size_t board_ext_size;
672 		} fw;
673 	} hw_params;
674 
675 	const struct firmware *board;
676 	const void *board_data;
677 	size_t board_len;
678 
679 	const struct firmware *otp;
680 	const void *otp_data;
681 	size_t otp_len;
682 
683 	const struct firmware *firmware;
684 	const void *firmware_data;
685 	size_t firmware_len;
686 
687 	const struct firmware *cal_file;
688 
689 	struct {
690 		const void *firmware_codeswap_data;
691 		size_t firmware_codeswap_len;
692 		struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info;
693 	} swap;
694 
695 	struct {
696 		u32 vendor;
697 		u32 device;
698 		u32 subsystem_vendor;
699 		u32 subsystem_device;
700 
701 		bool bmi_ids_valid;
702 		u8 bmi_board_id;
703 		u8 bmi_chip_id;
704 	} id;
705 
706 	int fw_api;
707 	int bd_api;
708 	enum ath10k_cal_mode cal_mode;
709 
710 	struct {
711 		struct completion started;
712 		struct completion completed;
713 		struct completion on_channel;
714 		struct delayed_work timeout;
715 		enum ath10k_scan_state state;
716 		bool is_roc;
717 		int vdev_id;
718 		int roc_freq;
719 		bool roc_notify;
720 	} scan;
721 
722 	struct {
723 		struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
724 	} mac;
725 
726 	/* should never be NULL; needed for regular htt rx */
727 	struct ieee80211_channel *rx_channel;
728 
729 	/* valid during scan; needed for mgmt rx during scan */
730 	struct ieee80211_channel *scan_channel;
731 
732 	/* current operating channel definition */
733 	struct cfg80211_chan_def chandef;
734 
735 	unsigned long long free_vdev_map;
736 	struct ath10k_vif *monitor_arvif;
737 	bool monitor;
738 	int monitor_vdev_id;
739 	bool monitor_started;
740 	unsigned int filter_flags;
741 	unsigned long dev_flags;
742 	bool dfs_block_radar_events;
743 
744 	/* protected by conf_mutex */
745 	bool radar_enabled;
746 	int num_started_vdevs;
747 
748 	/* Protected by conf-mutex */
749 	u8 cfg_tx_chainmask;
750 	u8 cfg_rx_chainmask;
751 
752 	struct completion install_key_done;
753 
754 	struct completion vdev_setup_done;
755 
756 	struct workqueue_struct *workqueue;
757 	/* Auxiliary workqueue */
758 	struct workqueue_struct *workqueue_aux;
759 
760 	/* prevents concurrent FW reconfiguration */
761 	struct mutex conf_mutex;
762 
763 	/* protects shared structure data */
764 	spinlock_t data_lock;
765 
766 	struct list_head arvifs;
767 	struct list_head peers;
768 	wait_queue_head_t peer_mapping_wq;
769 
770 	/* protected by conf_mutex */
771 	int num_peers;
772 	int num_stations;
773 
774 	int max_num_peers;
775 	int max_num_stations;
776 	int max_num_vdevs;
777 	int max_num_tdls_vdevs;
778 	int num_active_peers;
779 	int num_tids;
780 
781 	struct work_struct svc_rdy_work;
782 	struct sk_buff *svc_rdy_skb;
783 
784 	struct work_struct offchan_tx_work;
785 	struct sk_buff_head offchan_tx_queue;
786 	struct completion offchan_tx_completed;
787 	struct sk_buff *offchan_tx_skb;
788 
789 	struct work_struct wmi_mgmt_tx_work;
790 	struct sk_buff_head wmi_mgmt_tx_queue;
791 
792 	enum ath10k_state state;
793 
794 	struct work_struct register_work;
795 	struct work_struct restart_work;
796 
797 	/* cycle count is reported twice for each visited channel during scan.
798 	 * access protected by data_lock */
799 	u32 survey_last_rx_clear_count;
800 	u32 survey_last_cycle_count;
801 	struct survey_info survey[ATH10K_NUM_CHANS];
802 
803 	/* Channel info events are expected to come in pairs without and with
804 	 * COMPLETE flag set respectively for each channel visit during scan.
805 	 *
806 	 * However there are deviations from this rule. This flag is used to
807 	 * avoid reporting garbage data.
808 	 */
809 	bool ch_info_can_report_survey;
810 
811 	struct dfs_pattern_detector *dfs_detector;
812 
813 	unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */
814 
815 #ifdef CONFIG_ATH10K_DEBUGFS
816 	struct ath10k_debug debug;
817 #endif
818 
819 	struct {
820 		/* relay(fs) channel for spectral scan */
821 		struct rchan *rfs_chan_spec_scan;
822 
823 		/* spectral_mode and spec_config are protected by conf_mutex */
824 		enum ath10k_spectral_mode mode;
825 		struct ath10k_spec_scan config;
826 	} spectral;
827 
828 	struct {
829 		/* protected by conf_mutex */
830 		const struct firmware *utf;
831 		char utf_version[32];
832 		const void *utf_firmware_data;
833 		size_t utf_firmware_len;
834 		DECLARE_BITMAP(orig_fw_features, ATH10K_FW_FEATURE_COUNT);
835 		enum ath10k_fw_wmi_op_version orig_wmi_op_version;
836 		enum ath10k_fw_wmi_op_version op_version;
837 		/* protected by data_lock */
838 		bool utf_monitor;
839 	} testmode;
840 
841 	struct {
842 		/* protected by data_lock */
843 		u32 fw_crash_counter;
844 		u32 fw_warm_reset_counter;
845 		u32 fw_cold_reset_counter;
846 	} stats;
847 
848 	struct ath10k_thermal thermal;
849 	struct ath10k_wow wow;
850 
851 	/* must be last */
852 	u8 drv_priv[0] __aligned(sizeof(void *));
853 };
854 
855 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
856 				  enum ath10k_bus bus,
857 				  enum ath10k_hw_rev hw_rev,
858 				  const struct ath10k_hif_ops *hif_ops);
859 void ath10k_core_destroy(struct ath10k *ar);
860 void ath10k_core_get_fw_features_str(struct ath10k *ar,
861 				     char *buf,
862 				     size_t max_len);
863 
864 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode);
865 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt);
866 void ath10k_core_stop(struct ath10k *ar);
867 int ath10k_core_register(struct ath10k *ar, u32 chip_id);
868 void ath10k_core_unregister(struct ath10k *ar);
869 
870 #endif /* _CORE_H_ */
871