1 /* SPDX-License-Identifier: ISC */
2 /*
3  * Copyright (c) 2005-2011 Atheros Communications Inc.
4  * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
5  * Copyright (c) 2018, The Linux Foundation. All rights reserved.
6  */
7 
8 #ifndef _CORE_H_
9 #define _CORE_H_
10 
11 #include <linux/completion.h>
12 #include <linux/if_ether.h>
13 #include <linux/types.h>
14 #include <linux/pci.h>
15 #include <linux/uuid.h>
16 #include <linux/time.h>
17 
18 #include "htt.h"
19 #include "htc.h"
20 #include "hw.h"
21 #include "targaddrs.h"
22 #include "wmi.h"
23 #include "../ath.h"
24 #include "../regd.h"
25 #include "../dfs_pattern_detector.h"
26 #include "spectral.h"
27 #include "thermal.h"
28 #include "wow.h"
29 #include "swap.h"
30 
31 #define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
32 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
33 #define WO(_f)      ((_f##_OFFSET) >> 2)
34 
35 #define ATH10K_SCAN_ID 0
36 #define ATH10K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD 10 /* msec */
37 #define WMI_READY_TIMEOUT (5 * HZ)
38 #define ATH10K_FLUSH_TIMEOUT_HZ (5 * HZ)
39 #define ATH10K_CONNECTION_LOSS_HZ (3 * HZ)
40 #define ATH10K_NUM_CHANS 41
41 #define ATH10K_MAX_5G_CHAN 173
42 
43 /* Antenna noise floor */
44 #define ATH10K_DEFAULT_NOISE_FLOOR -95
45 
46 #define ATH10K_INVALID_RSSI 128
47 
48 #define ATH10K_MAX_NUM_MGMT_PENDING 128
49 
50 /* number of failed packets (20 packets with 16 sw reties each) */
51 #define ATH10K_KICKOUT_THRESHOLD (20 * 16)
52 
53 /*
54  * Use insanely high numbers to make sure that the firmware implementation
55  * won't start, we have the same functionality already in hostapd. Unit
56  * is seconds.
57  */
58 #define ATH10K_KEEPALIVE_MIN_IDLE 3747
59 #define ATH10K_KEEPALIVE_MAX_IDLE 3895
60 #define ATH10K_KEEPALIVE_MAX_UNRESPONSIVE 3900
61 
62 /* NAPI poll budget */
63 #define ATH10K_NAPI_BUDGET      64
64 
65 /* SMBIOS type containing Board Data File Name Extension */
66 #define ATH10K_SMBIOS_BDF_EXT_TYPE 0xF8
67 
68 /* SMBIOS type structure length (excluding strings-set) */
69 #define ATH10K_SMBIOS_BDF_EXT_LENGTH 0x9
70 
71 /* Offset pointing to Board Data File Name Extension */
72 #define ATH10K_SMBIOS_BDF_EXT_OFFSET 0x8
73 
74 /* Board Data File Name Extension string length.
75  * String format: BDF_<Customer ID>_<Extension>\0
76  */
77 #define ATH10K_SMBIOS_BDF_EXT_STR_LENGTH 0x20
78 
79 /* The magic used by QCA spec */
80 #define ATH10K_SMBIOS_BDF_EXT_MAGIC "BDF_"
81 
82 /* Default Airtime weight multipler (Tuned for multiclient performance) */
83 #define ATH10K_AIRTIME_WEIGHT_MULTIPLIER  4
84 
85 struct ath10k;
86 
87 static inline const char *ath10k_bus_str(enum ath10k_bus bus)
88 {
89 	switch (bus) {
90 	case ATH10K_BUS_PCI:
91 		return "pci";
92 	case ATH10K_BUS_AHB:
93 		return "ahb";
94 	case ATH10K_BUS_SDIO:
95 		return "sdio";
96 	case ATH10K_BUS_USB:
97 		return "usb";
98 	case ATH10K_BUS_SNOC:
99 		return "snoc";
100 	}
101 
102 	return "unknown";
103 }
104 
105 enum ath10k_skb_flags {
106 	ATH10K_SKB_F_NO_HWCRYPT = BIT(0),
107 	ATH10K_SKB_F_DTIM_ZERO = BIT(1),
108 	ATH10K_SKB_F_DELIVER_CAB = BIT(2),
109 	ATH10K_SKB_F_MGMT = BIT(3),
110 	ATH10K_SKB_F_QOS = BIT(4),
111 	ATH10K_SKB_F_RAW_TX = BIT(5),
112 };
113 
114 struct ath10k_skb_cb {
115 	dma_addr_t paddr;
116 	u8 flags;
117 	u8 eid;
118 	u16 msdu_id;
119 	u16 airtime_est;
120 	struct ieee80211_vif *vif;
121 	struct ieee80211_txq *txq;
122 } __packed;
123 
124 struct ath10k_skb_rxcb {
125 	dma_addr_t paddr;
126 	struct hlist_node hlist;
127 };
128 
129 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
130 {
131 	BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) >
132 		     IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
133 	return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data;
134 }
135 
136 static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb)
137 {
138 	BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb));
139 	return (struct ath10k_skb_rxcb *)skb->cb;
140 }
141 
142 #define ATH10K_RXCB_SKB(rxcb) \
143 		container_of((void *)rxcb, struct sk_buff, cb)
144 
145 static inline u32 host_interest_item_address(u32 item_offset)
146 {
147 	return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
148 }
149 
150 struct ath10k_bmi {
151 	bool done_sent;
152 };
153 
154 struct ath10k_mem_chunk {
155 	void *vaddr;
156 	dma_addr_t paddr;
157 	u32 len;
158 	u32 req_id;
159 };
160 
161 struct ath10k_wmi {
162 	enum ath10k_htc_ep_id eid;
163 	struct completion service_ready;
164 	struct completion unified_ready;
165 	struct completion barrier;
166 	struct completion radar_confirm;
167 	wait_queue_head_t tx_credits_wq;
168 	DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX);
169 	struct wmi_cmd_map *cmd;
170 	struct wmi_vdev_param_map *vdev_param;
171 	struct wmi_pdev_param_map *pdev_param;
172 	const struct wmi_ops *ops;
173 	const struct wmi_peer_flags_map *peer_flags;
174 
175 	u32 mgmt_max_num_pending_tx;
176 
177 	/* Protected by data_lock */
178 	struct idr mgmt_pending_tx;
179 
180 	u32 num_mem_chunks;
181 	u32 rx_decap_mode;
182 	struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS];
183 };
184 
185 struct ath10k_fw_stats_peer {
186 	struct list_head list;
187 
188 	u8 peer_macaddr[ETH_ALEN];
189 	u32 peer_rssi;
190 	u32 peer_tx_rate;
191 	u32 peer_rx_rate; /* 10x only */
192 	u64 rx_duration;
193 };
194 
195 struct ath10k_fw_extd_stats_peer {
196 	struct list_head list;
197 
198 	u8 peer_macaddr[ETH_ALEN];
199 	u32 rx_duration;
200 };
201 
202 struct ath10k_fw_stats_vdev {
203 	struct list_head list;
204 
205 	u32 vdev_id;
206 	u32 beacon_snr;
207 	u32 data_snr;
208 	u32 num_tx_frames[4];
209 	u32 num_rx_frames;
210 	u32 num_tx_frames_retries[4];
211 	u32 num_tx_frames_failures[4];
212 	u32 num_rts_fail;
213 	u32 num_rts_success;
214 	u32 num_rx_err;
215 	u32 num_rx_discard;
216 	u32 num_tx_not_acked;
217 	u32 tx_rate_history[10];
218 	u32 beacon_rssi_history[10];
219 };
220 
221 struct ath10k_fw_stats_vdev_extd {
222 	struct list_head list;
223 
224 	u32 vdev_id;
225 	u32 ppdu_aggr_cnt;
226 	u32 ppdu_noack;
227 	u32 mpdu_queued;
228 	u32 ppdu_nonaggr_cnt;
229 	u32 mpdu_sw_requeued;
230 	u32 mpdu_suc_retry;
231 	u32 mpdu_suc_multitry;
232 	u32 mpdu_fail_retry;
233 	u32 tx_ftm_suc;
234 	u32 tx_ftm_suc_retry;
235 	u32 tx_ftm_fail;
236 	u32 rx_ftmr_cnt;
237 	u32 rx_ftmr_dup_cnt;
238 	u32 rx_iftmr_cnt;
239 	u32 rx_iftmr_dup_cnt;
240 };
241 
242 struct ath10k_fw_stats_pdev {
243 	struct list_head list;
244 
245 	/* PDEV stats */
246 	s32 ch_noise_floor;
247 	u32 tx_frame_count; /* Cycles spent transmitting frames */
248 	u32 rx_frame_count; /* Cycles spent receiving frames */
249 	u32 rx_clear_count; /* Total channel busy time, evidently */
250 	u32 cycle_count; /* Total on-channel time */
251 	u32 phy_err_count;
252 	u32 chan_tx_power;
253 	u32 ack_rx_bad;
254 	u32 rts_bad;
255 	u32 rts_good;
256 	u32 fcs_bad;
257 	u32 no_beacons;
258 	u32 mib_int_count;
259 
260 	/* PDEV TX stats */
261 	s32 comp_queued;
262 	s32 comp_delivered;
263 	s32 msdu_enqued;
264 	s32 mpdu_enqued;
265 	s32 wmm_drop;
266 	s32 local_enqued;
267 	s32 local_freed;
268 	s32 hw_queued;
269 	s32 hw_reaped;
270 	s32 underrun;
271 	u32 hw_paused;
272 	s32 tx_abort;
273 	s32 mpdus_requed;
274 	u32 tx_ko;
275 	u32 data_rc;
276 	u32 self_triggers;
277 	u32 sw_retry_failure;
278 	u32 illgl_rate_phy_err;
279 	u32 pdev_cont_xretry;
280 	u32 pdev_tx_timeout;
281 	u32 pdev_resets;
282 	u32 phy_underrun;
283 	u32 txop_ovf;
284 	u32 seq_posted;
285 	u32 seq_failed_queueing;
286 	u32 seq_completed;
287 	u32 seq_restarted;
288 	u32 mu_seq_posted;
289 	u32 mpdus_sw_flush;
290 	u32 mpdus_hw_filter;
291 	u32 mpdus_truncated;
292 	u32 mpdus_ack_failed;
293 	u32 mpdus_expired;
294 
295 	/* PDEV RX stats */
296 	s32 mid_ppdu_route_change;
297 	s32 status_rcvd;
298 	s32 r0_frags;
299 	s32 r1_frags;
300 	s32 r2_frags;
301 	s32 r3_frags;
302 	s32 htt_msdus;
303 	s32 htt_mpdus;
304 	s32 loc_msdus;
305 	s32 loc_mpdus;
306 	s32 oversize_amsdu;
307 	s32 phy_errs;
308 	s32 phy_err_drop;
309 	s32 mpdu_errs;
310 	s32 rx_ovfl_errs;
311 };
312 
313 struct ath10k_fw_stats {
314 	bool extended;
315 	struct list_head pdevs;
316 	struct list_head vdevs;
317 	struct list_head peers;
318 	struct list_head peers_extd;
319 };
320 
321 #define ATH10K_TPC_TABLE_TYPE_FLAG	1
322 #define ATH10K_TPC_PREAM_TABLE_END	0xFFFF
323 
324 struct ath10k_tpc_table {
325 	u32 pream_idx[WMI_TPC_RATE_MAX];
326 	u8 rate_code[WMI_TPC_RATE_MAX];
327 	char tpc_value[WMI_TPC_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE];
328 };
329 
330 struct ath10k_tpc_stats {
331 	u32 reg_domain;
332 	u32 chan_freq;
333 	u32 phy_mode;
334 	u32 twice_antenna_reduction;
335 	u32 twice_max_rd_power;
336 	s32 twice_antenna_gain;
337 	u32 power_limit;
338 	u32 num_tx_chain;
339 	u32 ctl;
340 	u32 rate_max;
341 	u8 flag[WMI_TPC_FLAG];
342 	struct ath10k_tpc_table tpc_table[WMI_TPC_FLAG];
343 };
344 
345 struct ath10k_tpc_table_final {
346 	u32 pream_idx[WMI_TPC_FINAL_RATE_MAX];
347 	u8 rate_code[WMI_TPC_FINAL_RATE_MAX];
348 	char tpc_value[WMI_TPC_FINAL_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE];
349 };
350 
351 struct ath10k_tpc_stats_final {
352 	u32 reg_domain;
353 	u32 chan_freq;
354 	u32 phy_mode;
355 	u32 twice_antenna_reduction;
356 	u32 twice_max_rd_power;
357 	s32 twice_antenna_gain;
358 	u32 power_limit;
359 	u32 num_tx_chain;
360 	u32 ctl;
361 	u32 rate_max;
362 	u8 flag[WMI_TPC_FLAG];
363 	struct ath10k_tpc_table_final tpc_table_final[WMI_TPC_FLAG];
364 };
365 
366 struct ath10k_dfs_stats {
367 	u32 phy_errors;
368 	u32 pulses_total;
369 	u32 pulses_detected;
370 	u32 pulses_discarded;
371 	u32 radar_detected;
372 };
373 
374 enum ath10k_radar_confirmation_state {
375 	ATH10K_RADAR_CONFIRMATION_IDLE = 0,
376 	ATH10K_RADAR_CONFIRMATION_INPROGRESS,
377 	ATH10K_RADAR_CONFIRMATION_STOPPED,
378 };
379 
380 struct ath10k_radar_found_info {
381 	u32 pri_min;
382 	u32 pri_max;
383 	u32 width_min;
384 	u32 width_max;
385 	u32 sidx_min;
386 	u32 sidx_max;
387 };
388 
389 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */
390 
391 struct ath10k_peer {
392 	struct list_head list;
393 	struct ieee80211_vif *vif;
394 	struct ieee80211_sta *sta;
395 
396 	bool removed;
397 	int vdev_id;
398 	u8 addr[ETH_ALEN];
399 	DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS);
400 
401 	/* protected by ar->data_lock */
402 	struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
403 };
404 
405 struct ath10k_txq {
406 	struct list_head list;
407 	unsigned long num_fw_queued;
408 	unsigned long num_push_allowed;
409 };
410 
411 enum ath10k_pkt_rx_err {
412 	ATH10K_PKT_RX_ERR_FCS,
413 	ATH10K_PKT_RX_ERR_TKIP,
414 	ATH10K_PKT_RX_ERR_CRYPT,
415 	ATH10K_PKT_RX_ERR_PEER_IDX_INVAL,
416 	ATH10K_PKT_RX_ERR_MAX,
417 };
418 
419 enum ath10k_ampdu_subfrm_num {
420 	ATH10K_AMPDU_SUBFRM_NUM_10,
421 	ATH10K_AMPDU_SUBFRM_NUM_20,
422 	ATH10K_AMPDU_SUBFRM_NUM_30,
423 	ATH10K_AMPDU_SUBFRM_NUM_40,
424 	ATH10K_AMPDU_SUBFRM_NUM_50,
425 	ATH10K_AMPDU_SUBFRM_NUM_60,
426 	ATH10K_AMPDU_SUBFRM_NUM_MORE,
427 	ATH10K_AMPDU_SUBFRM_NUM_MAX,
428 };
429 
430 enum ath10k_amsdu_subfrm_num {
431 	ATH10K_AMSDU_SUBFRM_NUM_1,
432 	ATH10K_AMSDU_SUBFRM_NUM_2,
433 	ATH10K_AMSDU_SUBFRM_NUM_3,
434 	ATH10K_AMSDU_SUBFRM_NUM_4,
435 	ATH10K_AMSDU_SUBFRM_NUM_MORE,
436 	ATH10K_AMSDU_SUBFRM_NUM_MAX,
437 };
438 
439 struct ath10k_sta_tid_stats {
440 	unsigned long rx_pkt_from_fw;
441 	unsigned long rx_pkt_unchained;
442 	unsigned long rx_pkt_drop_chained;
443 	unsigned long rx_pkt_drop_filter;
444 	unsigned long rx_pkt_err[ATH10K_PKT_RX_ERR_MAX];
445 	unsigned long rx_pkt_queued_for_mac;
446 	unsigned long rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_MAX];
447 	unsigned long rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_MAX];
448 };
449 
450 enum ath10k_counter_type {
451 	ATH10K_COUNTER_TYPE_BYTES,
452 	ATH10K_COUNTER_TYPE_PKTS,
453 	ATH10K_COUNTER_TYPE_MAX,
454 };
455 
456 enum ath10k_stats_type {
457 	ATH10K_STATS_TYPE_SUCC,
458 	ATH10K_STATS_TYPE_FAIL,
459 	ATH10K_STATS_TYPE_RETRY,
460 	ATH10K_STATS_TYPE_AMPDU,
461 	ATH10K_STATS_TYPE_MAX,
462 };
463 
464 struct ath10k_htt_data_stats {
465 	u64 legacy[ATH10K_COUNTER_TYPE_MAX][ATH10K_LEGACY_NUM];
466 	u64 ht[ATH10K_COUNTER_TYPE_MAX][ATH10K_HT_MCS_NUM];
467 	u64 vht[ATH10K_COUNTER_TYPE_MAX][ATH10K_VHT_MCS_NUM];
468 	u64 bw[ATH10K_COUNTER_TYPE_MAX][ATH10K_BW_NUM];
469 	u64 nss[ATH10K_COUNTER_TYPE_MAX][ATH10K_NSS_NUM];
470 	u64 gi[ATH10K_COUNTER_TYPE_MAX][ATH10K_GI_NUM];
471 	u64 rate_table[ATH10K_COUNTER_TYPE_MAX][ATH10K_RATE_TABLE_NUM];
472 };
473 
474 struct ath10k_htt_tx_stats {
475 	struct ath10k_htt_data_stats stats[ATH10K_STATS_TYPE_MAX];
476 	u64 tx_duration;
477 	u64 ba_fails;
478 	u64 ack_fails;
479 };
480 
481 struct ath10k_sta {
482 	struct ath10k_vif *arvif;
483 
484 	/* the following are protected by ar->data_lock */
485 	u32 changed; /* IEEE80211_RC_* */
486 	u32 bw;
487 	u32 nss;
488 	u32 smps;
489 	u16 peer_id;
490 	struct rate_info txrate;
491 	struct ieee80211_tx_info tx_info;
492 	u32 last_tx_bitrate;
493 
494 	struct work_struct update_wk;
495 	u64 rx_duration;
496 	struct ath10k_htt_tx_stats *tx_stats;
497 
498 #ifdef CONFIG_MAC80211_DEBUGFS
499 	/* protected by conf_mutex */
500 	bool aggr_mode;
501 
502 	/* Protected with ar->data_lock */
503 	struct ath10k_sta_tid_stats tid_stats[IEEE80211_NUM_TIDS + 1];
504 #endif
505 	/* Protected with ar->data_lock */
506 	u32 peer_ps_state;
507 };
508 
509 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5 * HZ)
510 
511 enum ath10k_beacon_state {
512 	ATH10K_BEACON_SCHEDULED = 0,
513 	ATH10K_BEACON_SENDING,
514 	ATH10K_BEACON_SENT,
515 };
516 
517 struct ath10k_vif {
518 	struct list_head list;
519 
520 	u32 vdev_id;
521 	u16 peer_id;
522 	enum wmi_vdev_type vdev_type;
523 	enum wmi_vdev_subtype vdev_subtype;
524 	u32 beacon_interval;
525 	u32 dtim_period;
526 	struct sk_buff *beacon;
527 	/* protected by data_lock */
528 	enum ath10k_beacon_state beacon_state;
529 	void *beacon_buf;
530 	dma_addr_t beacon_paddr;
531 	unsigned long tx_paused; /* arbitrary values defined by target */
532 
533 	struct ath10k *ar;
534 	struct ieee80211_vif *vif;
535 
536 	bool is_started;
537 	bool is_up;
538 	bool spectral_enabled;
539 	bool ps;
540 	u32 aid;
541 	u8 bssid[ETH_ALEN];
542 
543 	struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1];
544 	s8 def_wep_key_idx;
545 
546 	u16 tx_seq_no;
547 
548 	union {
549 		struct {
550 			u32 uapsd;
551 		} sta;
552 		struct {
553 			/* 512 stations */
554 			u8 tim_bitmap[64];
555 			u8 tim_len;
556 			u32 ssid_len;
557 			u8 ssid[IEEE80211_MAX_SSID_LEN];
558 			bool hidden_ssid;
559 			/* P2P_IE with NoA attribute for P2P_GO case */
560 			u32 noa_len;
561 			u8 *noa_data;
562 		} ap;
563 	} u;
564 
565 	bool use_cts_prot;
566 	bool nohwcrypt;
567 	int num_legacy_stations;
568 	int txpower;
569 	bool ftm_responder;
570 	struct wmi_wmm_params_all_arg wmm_params;
571 	struct work_struct ap_csa_work;
572 	struct delayed_work connection_loss_work;
573 	struct cfg80211_bitrate_mask bitrate_mask;
574 };
575 
576 struct ath10k_vif_iter {
577 	u32 vdev_id;
578 	struct ath10k_vif *arvif;
579 };
580 
581 /* Copy Engine register dump, protected by ce-lock */
582 struct ath10k_ce_crash_data {
583 	__le32 base_addr;
584 	__le32 src_wr_idx;
585 	__le32 src_r_idx;
586 	__le32 dst_wr_idx;
587 	__le32 dst_r_idx;
588 };
589 
590 struct ath10k_ce_crash_hdr {
591 	__le32 ce_count;
592 	__le32 reserved[3]; /* for future use */
593 	struct ath10k_ce_crash_data entries[];
594 };
595 
596 #define MAX_MEM_DUMP_TYPE	5
597 
598 /* used for crash-dump storage, protected by data-lock */
599 struct ath10k_fw_crash_data {
600 	guid_t guid;
601 	struct timespec64 timestamp;
602 	__le32 registers[REG_DUMP_COUNT_QCA988X];
603 	struct ath10k_ce_crash_data ce_crash_data[CE_COUNT_MAX];
604 
605 	u8 *ramdump_buf;
606 	size_t ramdump_buf_len;
607 };
608 
609 struct ath10k_debug {
610 	struct dentry *debugfs_phy;
611 
612 	struct ath10k_fw_stats fw_stats;
613 	struct completion fw_stats_complete;
614 	bool fw_stats_done;
615 
616 	unsigned long htt_stats_mask;
617 	struct delayed_work htt_stats_dwork;
618 	struct ath10k_dfs_stats dfs_stats;
619 	struct ath_dfs_pool_stats dfs_pool_stats;
620 
621 	/* used for tpc-dump storage, protected by data-lock */
622 	struct ath10k_tpc_stats *tpc_stats;
623 	struct ath10k_tpc_stats_final *tpc_stats_final;
624 
625 	struct completion tpc_complete;
626 
627 	/* protected by conf_mutex */
628 	u64 fw_dbglog_mask;
629 	u32 fw_dbglog_level;
630 	u32 reg_addr;
631 	u32 nf_cal_period;
632 	void *cal_data;
633 	u32 enable_extd_tx_stats;
634 };
635 
636 enum ath10k_state {
637 	ATH10K_STATE_OFF = 0,
638 	ATH10K_STATE_ON,
639 
640 	/* When doing firmware recovery the device is first powered down.
641 	 * mac80211 is supposed to call in to start() hook later on. It is
642 	 * however possible that driver unloading and firmware crash overlap.
643 	 * mac80211 can wait on conf_mutex in stop() while the device is
644 	 * stopped in ath10k_core_restart() work holding conf_mutex. The state
645 	 * RESTARTED means that the device is up and mac80211 has started hw
646 	 * reconfiguration. Once mac80211 is done with the reconfiguration we
647 	 * set the state to STATE_ON in reconfig_complete().
648 	 */
649 	ATH10K_STATE_RESTARTING,
650 	ATH10K_STATE_RESTARTED,
651 
652 	/* The device has crashed while restarting hw. This state is like ON
653 	 * but commands are blocked in HTC and -ECOMM response is given. This
654 	 * prevents completion timeouts and makes the driver more responsive to
655 	 * userspace commands. This is also prevents recursive recovery.
656 	 */
657 	ATH10K_STATE_WEDGED,
658 
659 	/* factory tests */
660 	ATH10K_STATE_UTF,
661 };
662 
663 enum ath10k_firmware_mode {
664 	/* the default mode, standard 802.11 functionality */
665 	ATH10K_FIRMWARE_MODE_NORMAL,
666 
667 	/* factory tests etc */
668 	ATH10K_FIRMWARE_MODE_UTF,
669 };
670 
671 enum ath10k_fw_features {
672 	/* wmi_mgmt_rx_hdr contains extra RSSI information */
673 	ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0,
674 
675 	/* Firmware from 10X branch. Deprecated, don't use in new code. */
676 	ATH10K_FW_FEATURE_WMI_10X = 1,
677 
678 	/* firmware support tx frame management over WMI, otherwise it's HTT */
679 	ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2,
680 
681 	/* Firmware does not support P2P */
682 	ATH10K_FW_FEATURE_NO_P2P = 3,
683 
684 	/* Firmware 10.2 feature bit. The ATH10K_FW_FEATURE_WMI_10X feature
685 	 * bit is required to be set as well. Deprecated, don't use in new
686 	 * code.
687 	 */
688 	ATH10K_FW_FEATURE_WMI_10_2 = 4,
689 
690 	/* Some firmware revisions lack proper multi-interface client powersave
691 	 * implementation. Enabling PS could result in connection drops,
692 	 * traffic stalls, etc.
693 	 */
694 	ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5,
695 
696 	/* Some firmware revisions have an incomplete WoWLAN implementation
697 	 * despite WMI service bit being advertised. This feature flag is used
698 	 * to distinguish whether WoWLAN is really supported or not.
699 	 */
700 	ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6,
701 
702 	/* Don't trust error code from otp.bin */
703 	ATH10K_FW_FEATURE_IGNORE_OTP_RESULT = 7,
704 
705 	/* Some firmware revisions pad 4th hw address to 4 byte boundary making
706 	 * it 8 bytes long in Native Wifi Rx decap.
707 	 */
708 	ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING = 8,
709 
710 	/* Firmware supports bypassing PLL setting on init. */
711 	ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9,
712 
713 	/* Raw mode support. If supported, FW supports receiving and trasmitting
714 	 * frames in raw mode.
715 	 */
716 	ATH10K_FW_FEATURE_RAW_MODE_SUPPORT = 10,
717 
718 	/* Firmware Supports Adaptive CCA*/
719 	ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA = 11,
720 
721 	/* Firmware supports management frame protection */
722 	ATH10K_FW_FEATURE_MFP_SUPPORT = 12,
723 
724 	/* Firmware supports pull-push model where host shares it's software
725 	 * queue state with firmware and firmware generates fetch requests
726 	 * telling host which queues to dequeue tx from.
727 	 *
728 	 * Primary function of this is improved MU-MIMO performance with
729 	 * multiple clients.
730 	 */
731 	ATH10K_FW_FEATURE_PEER_FLOW_CONTROL = 13,
732 
733 	/* Firmware supports BT-Coex without reloading firmware via pdev param.
734 	 * To support Bluetooth coexistence pdev param, WMI_COEX_GPIO_SUPPORT of
735 	 * extended resource config should be enabled always. This firmware IE
736 	 * is used to configure WMI_COEX_GPIO_SUPPORT.
737 	 */
738 	ATH10K_FW_FEATURE_BTCOEX_PARAM = 14,
739 
740 	/* Unused flag and proven to be not working, enable this if you want
741 	 * to experiment sending NULL func data frames in HTT TX
742 	 */
743 	ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR = 15,
744 
745 	/* Firmware allow other BSS mesh broadcast/multicast frames without
746 	 * creating monitor interface. Appropriate rxfilters are programmed for
747 	 * mesh vdev by firmware itself. This feature flags will be used for
748 	 * not creating monitor vdev while configuring mesh node.
749 	 */
750 	ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST = 16,
751 
752 	/* Firmware does not support power save in station mode. */
753 	ATH10K_FW_FEATURE_NO_PS = 17,
754 
755 	/* Firmware allows management tx by reference instead of by value. */
756 	ATH10K_FW_FEATURE_MGMT_TX_BY_REF = 18,
757 
758 	/* Firmware load is done externally, not by bmi */
759 	ATH10K_FW_FEATURE_NON_BMI = 19,
760 
761 	/* Firmware sends only one chan_info event per channel */
762 	ATH10K_FW_FEATURE_SINGLE_CHAN_INFO_PER_CHANNEL = 20,
763 
764 	/* keep last */
765 	ATH10K_FW_FEATURE_COUNT,
766 };
767 
768 enum ath10k_dev_flags {
769 	/* Indicates that ath10k device is during CAC phase of DFS */
770 	ATH10K_CAC_RUNNING,
771 	ATH10K_FLAG_CORE_REGISTERED,
772 
773 	/* Device has crashed and needs to restart. This indicates any pending
774 	 * waiters should immediately cancel instead of waiting for a time out.
775 	 */
776 	ATH10K_FLAG_CRASH_FLUSH,
777 
778 	/* Use Raw mode instead of native WiFi Tx/Rx encap mode.
779 	 * Raw mode supports both hardware and software crypto. Native WiFi only
780 	 * supports hardware crypto.
781 	 */
782 	ATH10K_FLAG_RAW_MODE,
783 
784 	/* Disable HW crypto engine */
785 	ATH10K_FLAG_HW_CRYPTO_DISABLED,
786 
787 	/* Bluetooth coexistance enabled */
788 	ATH10K_FLAG_BTCOEX,
789 
790 	/* Per Station statistics service */
791 	ATH10K_FLAG_PEER_STATS,
792 };
793 
794 enum ath10k_cal_mode {
795 	ATH10K_CAL_MODE_FILE,
796 	ATH10K_CAL_MODE_OTP,
797 	ATH10K_CAL_MODE_DT,
798 	ATH10K_PRE_CAL_MODE_FILE,
799 	ATH10K_PRE_CAL_MODE_DT,
800 	ATH10K_CAL_MODE_EEPROM,
801 };
802 
803 enum ath10k_crypt_mode {
804 	/* Only use hardware crypto engine */
805 	ATH10K_CRYPT_MODE_HW,
806 	/* Only use software crypto engine */
807 	ATH10K_CRYPT_MODE_SW,
808 };
809 
810 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode)
811 {
812 	switch (mode) {
813 	case ATH10K_CAL_MODE_FILE:
814 		return "file";
815 	case ATH10K_CAL_MODE_OTP:
816 		return "otp";
817 	case ATH10K_CAL_MODE_DT:
818 		return "dt";
819 	case ATH10K_PRE_CAL_MODE_FILE:
820 		return "pre-cal-file";
821 	case ATH10K_PRE_CAL_MODE_DT:
822 		return "pre-cal-dt";
823 	case ATH10K_CAL_MODE_EEPROM:
824 		return "eeprom";
825 	}
826 
827 	return "unknown";
828 }
829 
830 enum ath10k_scan_state {
831 	ATH10K_SCAN_IDLE,
832 	ATH10K_SCAN_STARTING,
833 	ATH10K_SCAN_RUNNING,
834 	ATH10K_SCAN_ABORTING,
835 };
836 
837 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state)
838 {
839 	switch (state) {
840 	case ATH10K_SCAN_IDLE:
841 		return "idle";
842 	case ATH10K_SCAN_STARTING:
843 		return "starting";
844 	case ATH10K_SCAN_RUNNING:
845 		return "running";
846 	case ATH10K_SCAN_ABORTING:
847 		return "aborting";
848 	}
849 
850 	return "unknown";
851 }
852 
853 enum ath10k_tx_pause_reason {
854 	ATH10K_TX_PAUSE_Q_FULL,
855 	ATH10K_TX_PAUSE_MAX,
856 };
857 
858 struct ath10k_fw_file {
859 	const struct firmware *firmware;
860 
861 	char fw_version[ETHTOOL_FWVERS_LEN];
862 
863 	DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
864 
865 	enum ath10k_fw_wmi_op_version wmi_op_version;
866 	enum ath10k_fw_htt_op_version htt_op_version;
867 
868 	const void *firmware_data;
869 	size_t firmware_len;
870 
871 	const void *otp_data;
872 	size_t otp_len;
873 
874 	const void *codeswap_data;
875 	size_t codeswap_len;
876 
877 	/* The original idea of struct ath10k_fw_file was that it only
878 	 * contains struct firmware and pointers to various parts (actual
879 	 * firmware binary, otp, metadata etc) of the file. This seg_info
880 	 * is actually created separate but as this is used similarly as
881 	 * the other firmware components it's more convenient to have it
882 	 * here.
883 	 */
884 	struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info;
885 };
886 
887 struct ath10k_fw_components {
888 	const struct firmware *board;
889 	const void *board_data;
890 	size_t board_len;
891 	const struct firmware *ext_board;
892 	const void *ext_board_data;
893 	size_t ext_board_len;
894 
895 	struct ath10k_fw_file fw_file;
896 };
897 
898 struct ath10k_per_peer_tx_stats {
899 	u32	succ_bytes;
900 	u32	retry_bytes;
901 	u32	failed_bytes;
902 	u8	ratecode;
903 	u8	flags;
904 	u16	peer_id;
905 	u16	succ_pkts;
906 	u16	retry_pkts;
907 	u16	failed_pkts;
908 	u16	duration;
909 	u32	reserved1;
910 	u32	reserved2;
911 };
912 
913 enum ath10k_dev_type {
914 	ATH10K_DEV_TYPE_LL,
915 	ATH10K_DEV_TYPE_HL,
916 };
917 
918 struct ath10k_bus_params {
919 	u32 chip_id;
920 	enum ath10k_dev_type dev_type;
921 	bool link_can_suspend;
922 };
923 
924 struct ath10k {
925 	struct ath_common ath_common;
926 	struct ieee80211_hw *hw;
927 	struct ieee80211_ops *ops;
928 	struct device *dev;
929 	u8 mac_addr[ETH_ALEN];
930 
931 	enum ath10k_hw_rev hw_rev;
932 	u16 dev_id;
933 	u32 chip_id;
934 	enum ath10k_dev_type dev_type;
935 	u32 target_version;
936 	u8 fw_version_major;
937 	u32 fw_version_minor;
938 	u16 fw_version_release;
939 	u16 fw_version_build;
940 	u32 fw_stats_req_mask;
941 	u32 phy_capability;
942 	u32 hw_min_tx_power;
943 	u32 hw_max_tx_power;
944 	u32 hw_eeprom_rd;
945 	u32 ht_cap_info;
946 	u32 vht_cap_info;
947 	u32 num_rf_chains;
948 	u32 max_spatial_stream;
949 	/* protected by conf_mutex */
950 	u32 low_5ghz_chan;
951 	u32 high_5ghz_chan;
952 	bool ani_enabled;
953 	/* protected by conf_mutex */
954 	u8 ps_state_enable;
955 
956 	bool nlo_enabled;
957 	bool p2p;
958 
959 	struct {
960 		enum ath10k_bus bus;
961 		const struct ath10k_hif_ops *ops;
962 	} hif;
963 
964 	struct completion target_suspend;
965 	struct completion driver_recovery;
966 
967 	const struct ath10k_hw_regs *regs;
968 	const struct ath10k_hw_ce_regs *hw_ce_regs;
969 	const struct ath10k_hw_values *hw_values;
970 	struct ath10k_bmi bmi;
971 	struct ath10k_wmi wmi;
972 	struct ath10k_htc htc;
973 	struct ath10k_htt htt;
974 
975 	struct ath10k_hw_params hw_params;
976 
977 	/* contains the firmware images used with ATH10K_FIRMWARE_MODE_NORMAL */
978 	struct ath10k_fw_components normal_mode_fw;
979 
980 	/* READ-ONLY images of the running firmware, which can be either
981 	 * normal or UTF. Do not modify, release etc!
982 	 */
983 	const struct ath10k_fw_components *running_fw;
984 
985 	const struct firmware *pre_cal_file;
986 	const struct firmware *cal_file;
987 
988 	struct {
989 		u32 vendor;
990 		u32 device;
991 		u32 subsystem_vendor;
992 		u32 subsystem_device;
993 
994 		bool bmi_ids_valid;
995 		bool qmi_ids_valid;
996 		u32 qmi_board_id;
997 		u8 bmi_board_id;
998 		u8 bmi_eboard_id;
999 		u8 bmi_chip_id;
1000 		bool ext_bid_supported;
1001 
1002 		char bdf_ext[ATH10K_SMBIOS_BDF_EXT_STR_LENGTH];
1003 	} id;
1004 
1005 	int fw_api;
1006 	int bd_api;
1007 	enum ath10k_cal_mode cal_mode;
1008 
1009 	struct {
1010 		struct completion started;
1011 		struct completion completed;
1012 		struct completion on_channel;
1013 		struct delayed_work timeout;
1014 		enum ath10k_scan_state state;
1015 		bool is_roc;
1016 		int vdev_id;
1017 		int roc_freq;
1018 		bool roc_notify;
1019 	} scan;
1020 
1021 	struct {
1022 		struct ieee80211_supported_band sbands[NUM_NL80211_BANDS];
1023 	} mac;
1024 
1025 	/* should never be NULL; needed for regular htt rx */
1026 	struct ieee80211_channel *rx_channel;
1027 
1028 	/* valid during scan; needed for mgmt rx during scan */
1029 	struct ieee80211_channel *scan_channel;
1030 
1031 	/* current operating channel definition */
1032 	struct cfg80211_chan_def chandef;
1033 
1034 	/* currently configured operating channel in firmware */
1035 	struct ieee80211_channel *tgt_oper_chan;
1036 
1037 	unsigned long long free_vdev_map;
1038 	struct ath10k_vif *monitor_arvif;
1039 	bool monitor;
1040 	int monitor_vdev_id;
1041 	bool monitor_started;
1042 	unsigned int filter_flags;
1043 	unsigned long dev_flags;
1044 	bool dfs_block_radar_events;
1045 
1046 	/* protected by conf_mutex */
1047 	bool radar_enabled;
1048 	int num_started_vdevs;
1049 
1050 	/* Protected by conf-mutex */
1051 	u8 cfg_tx_chainmask;
1052 	u8 cfg_rx_chainmask;
1053 
1054 	struct completion install_key_done;
1055 
1056 	int last_wmi_vdev_start_status;
1057 	struct completion vdev_setup_done;
1058 
1059 	struct workqueue_struct *workqueue;
1060 	/* Auxiliary workqueue */
1061 	struct workqueue_struct *workqueue_aux;
1062 
1063 	/* prevents concurrent FW reconfiguration */
1064 	struct mutex conf_mutex;
1065 
1066 	/* protects coredump data */
1067 	struct mutex dump_mutex;
1068 
1069 	/* protects shared structure data */
1070 	spinlock_t data_lock;
1071 
1072 	struct list_head arvifs;
1073 	struct list_head peers;
1074 	struct ath10k_peer *peer_map[ATH10K_MAX_NUM_PEER_IDS];
1075 	wait_queue_head_t peer_mapping_wq;
1076 
1077 	/* protected by conf_mutex */
1078 	int num_peers;
1079 	int num_stations;
1080 
1081 	int max_num_peers;
1082 	int max_num_stations;
1083 	int max_num_vdevs;
1084 	int max_num_tdls_vdevs;
1085 	int num_active_peers;
1086 	int num_tids;
1087 
1088 	struct work_struct svc_rdy_work;
1089 	struct sk_buff *svc_rdy_skb;
1090 
1091 	struct work_struct offchan_tx_work;
1092 	struct sk_buff_head offchan_tx_queue;
1093 	struct completion offchan_tx_completed;
1094 	struct sk_buff *offchan_tx_skb;
1095 
1096 	struct work_struct wmi_mgmt_tx_work;
1097 	struct sk_buff_head wmi_mgmt_tx_queue;
1098 
1099 	enum ath10k_state state;
1100 
1101 	struct work_struct register_work;
1102 	struct work_struct restart_work;
1103 
1104 	/* cycle count is reported twice for each visited channel during scan.
1105 	 * access protected by data_lock
1106 	 */
1107 	u32 survey_last_rx_clear_count;
1108 	u32 survey_last_cycle_count;
1109 	struct survey_info survey[ATH10K_NUM_CHANS];
1110 
1111 	/* Channel info events are expected to come in pairs without and with
1112 	 * COMPLETE flag set respectively for each channel visit during scan.
1113 	 *
1114 	 * However there are deviations from this rule. This flag is used to
1115 	 * avoid reporting garbage data.
1116 	 */
1117 	bool ch_info_can_report_survey;
1118 	struct completion bss_survey_done;
1119 
1120 	struct dfs_pattern_detector *dfs_detector;
1121 
1122 	unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */
1123 
1124 #ifdef CONFIG_ATH10K_DEBUGFS
1125 	struct ath10k_debug debug;
1126 	struct {
1127 		/* relay(fs) channel for spectral scan */
1128 		struct rchan *rfs_chan_spec_scan;
1129 
1130 		/* spectral_mode and spec_config are protected by conf_mutex */
1131 		enum ath10k_spectral_mode mode;
1132 		struct ath10k_spec_scan config;
1133 	} spectral;
1134 #endif
1135 
1136 	u32 pktlog_filter;
1137 
1138 #ifdef CONFIG_DEV_COREDUMP
1139 	struct {
1140 		struct ath10k_fw_crash_data *fw_crash_data;
1141 	} coredump;
1142 #endif
1143 
1144 	struct {
1145 		/* protected by conf_mutex */
1146 		struct ath10k_fw_components utf_mode_fw;
1147 
1148 		/* protected by data_lock */
1149 		bool utf_monitor;
1150 	} testmode;
1151 
1152 	struct {
1153 		/* protected by data_lock */
1154 		u32 fw_crash_counter;
1155 		u32 fw_warm_reset_counter;
1156 		u32 fw_cold_reset_counter;
1157 	} stats;
1158 
1159 	struct ath10k_thermal thermal;
1160 	struct ath10k_wow wow;
1161 	struct ath10k_per_peer_tx_stats peer_tx_stats;
1162 
1163 	/* NAPI */
1164 	struct net_device napi_dev;
1165 	struct napi_struct napi;
1166 
1167 	struct work_struct set_coverage_class_work;
1168 	/* protected by conf_mutex */
1169 	struct {
1170 		/* writing also protected by data_lock */
1171 		s16 coverage_class;
1172 
1173 		u32 reg_phyclk;
1174 		u32 reg_slottime_conf;
1175 		u32 reg_slottime_orig;
1176 		u32 reg_ack_cts_timeout_conf;
1177 		u32 reg_ack_cts_timeout_orig;
1178 	} fw_coverage;
1179 
1180 	u32 ampdu_reference;
1181 
1182 	const u8 *wmi_key_cipher;
1183 	void *ce_priv;
1184 
1185 	u32 sta_tid_stats_mask;
1186 
1187 	/* protected by data_lock */
1188 	enum ath10k_radar_confirmation_state radar_conf_state;
1189 	struct ath10k_radar_found_info last_radar_info;
1190 	struct work_struct radar_confirmation_work;
1191 	struct ath10k_bus_params bus_param;
1192 
1193 	/* must be last */
1194 	u8 drv_priv[0] __aligned(sizeof(void *));
1195 };
1196 
1197 static inline bool ath10k_peer_stats_enabled(struct ath10k *ar)
1198 {
1199 	if (test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) &&
1200 	    test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map))
1201 		return true;
1202 
1203 	return false;
1204 }
1205 
1206 extern unsigned long ath10k_coredump_mask;
1207 
1208 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
1209 				  enum ath10k_bus bus,
1210 				  enum ath10k_hw_rev hw_rev,
1211 				  const struct ath10k_hif_ops *hif_ops);
1212 void ath10k_core_destroy(struct ath10k *ar);
1213 void ath10k_core_get_fw_features_str(struct ath10k *ar,
1214 				     char *buf,
1215 				     size_t max_len);
1216 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
1217 				     struct ath10k_fw_file *fw_file);
1218 
1219 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
1220 		      const struct ath10k_fw_components *fw_components);
1221 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt);
1222 void ath10k_core_stop(struct ath10k *ar);
1223 int ath10k_core_register(struct ath10k *ar,
1224 			 const struct ath10k_bus_params *bus_params);
1225 void ath10k_core_unregister(struct ath10k *ar);
1226 int ath10k_core_fetch_board_file(struct ath10k *ar, int bd_ie_type);
1227 void ath10k_core_free_board_files(struct ath10k *ar);
1228 
1229 #endif /* _CORE_H_ */
1230