xref: /linux/drivers/net/wireless/ath/ath10k/core.h (revision 9a6b55ac)
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) 2018-2019, 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 	struct wmi_peer_param_map *peer_param;
173 	const struct wmi_ops *ops;
174 	const struct wmi_peer_flags_map *peer_flags;
175 
176 	u32 mgmt_max_num_pending_tx;
177 
178 	/* Protected by data_lock */
179 	struct idr mgmt_pending_tx;
180 
181 	u32 num_mem_chunks;
182 	u32 rx_decap_mode;
183 	struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS];
184 };
185 
186 struct ath10k_fw_stats_peer {
187 	struct list_head list;
188 
189 	u8 peer_macaddr[ETH_ALEN];
190 	u32 peer_rssi;
191 	u32 peer_tx_rate;
192 	u32 peer_rx_rate; /* 10x only */
193 	u64 rx_duration;
194 };
195 
196 struct ath10k_fw_extd_stats_peer {
197 	struct list_head list;
198 
199 	u8 peer_macaddr[ETH_ALEN];
200 	u64 rx_duration;
201 };
202 
203 struct ath10k_fw_stats_vdev {
204 	struct list_head list;
205 
206 	u32 vdev_id;
207 	u32 beacon_snr;
208 	u32 data_snr;
209 	u32 num_tx_frames[4];
210 	u32 num_rx_frames;
211 	u32 num_tx_frames_retries[4];
212 	u32 num_tx_frames_failures[4];
213 	u32 num_rts_fail;
214 	u32 num_rts_success;
215 	u32 num_rx_err;
216 	u32 num_rx_discard;
217 	u32 num_tx_not_acked;
218 	u32 tx_rate_history[10];
219 	u32 beacon_rssi_history[10];
220 };
221 
222 struct ath10k_fw_stats_vdev_extd {
223 	struct list_head list;
224 
225 	u32 vdev_id;
226 	u32 ppdu_aggr_cnt;
227 	u32 ppdu_noack;
228 	u32 mpdu_queued;
229 	u32 ppdu_nonaggr_cnt;
230 	u32 mpdu_sw_requeued;
231 	u32 mpdu_suc_retry;
232 	u32 mpdu_suc_multitry;
233 	u32 mpdu_fail_retry;
234 	u32 tx_ftm_suc;
235 	u32 tx_ftm_suc_retry;
236 	u32 tx_ftm_fail;
237 	u32 rx_ftmr_cnt;
238 	u32 rx_ftmr_dup_cnt;
239 	u32 rx_iftmr_cnt;
240 	u32 rx_iftmr_dup_cnt;
241 };
242 
243 struct ath10k_fw_stats_pdev {
244 	struct list_head list;
245 
246 	/* PDEV stats */
247 	s32 ch_noise_floor;
248 	u32 tx_frame_count; /* Cycles spent transmitting frames */
249 	u32 rx_frame_count; /* Cycles spent receiving frames */
250 	u32 rx_clear_count; /* Total channel busy time, evidently */
251 	u32 cycle_count; /* Total on-channel time */
252 	u32 phy_err_count;
253 	u32 chan_tx_power;
254 	u32 ack_rx_bad;
255 	u32 rts_bad;
256 	u32 rts_good;
257 	u32 fcs_bad;
258 	u32 no_beacons;
259 	u32 mib_int_count;
260 
261 	/* PDEV TX stats */
262 	s32 comp_queued;
263 	s32 comp_delivered;
264 	s32 msdu_enqued;
265 	s32 mpdu_enqued;
266 	s32 wmm_drop;
267 	s32 local_enqued;
268 	s32 local_freed;
269 	s32 hw_queued;
270 	s32 hw_reaped;
271 	s32 underrun;
272 	u32 hw_paused;
273 	s32 tx_abort;
274 	s32 mpdus_requed;
275 	u32 tx_ko;
276 	u32 data_rc;
277 	u32 self_triggers;
278 	u32 sw_retry_failure;
279 	u32 illgl_rate_phy_err;
280 	u32 pdev_cont_xretry;
281 	u32 pdev_tx_timeout;
282 	u32 pdev_resets;
283 	u32 phy_underrun;
284 	u32 txop_ovf;
285 	u32 seq_posted;
286 	u32 seq_failed_queueing;
287 	u32 seq_completed;
288 	u32 seq_restarted;
289 	u32 mu_seq_posted;
290 	u32 mpdus_sw_flush;
291 	u32 mpdus_hw_filter;
292 	u32 mpdus_truncated;
293 	u32 mpdus_ack_failed;
294 	u32 mpdus_expired;
295 
296 	/* PDEV RX stats */
297 	s32 mid_ppdu_route_change;
298 	s32 status_rcvd;
299 	s32 r0_frags;
300 	s32 r1_frags;
301 	s32 r2_frags;
302 	s32 r3_frags;
303 	s32 htt_msdus;
304 	s32 htt_mpdus;
305 	s32 loc_msdus;
306 	s32 loc_mpdus;
307 	s32 oversize_amsdu;
308 	s32 phy_errs;
309 	s32 phy_err_drop;
310 	s32 mpdu_errs;
311 	s32 rx_ovfl_errs;
312 };
313 
314 struct ath10k_fw_stats {
315 	bool extended;
316 	struct list_head pdevs;
317 	struct list_head vdevs;
318 	struct list_head peers;
319 	struct list_head peers_extd;
320 };
321 
322 #define ATH10K_TPC_TABLE_TYPE_FLAG	1
323 #define ATH10K_TPC_PREAM_TABLE_END	0xFFFF
324 
325 struct ath10k_tpc_table {
326 	u32 pream_idx[WMI_TPC_RATE_MAX];
327 	u8 rate_code[WMI_TPC_RATE_MAX];
328 	char tpc_value[WMI_TPC_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE];
329 };
330 
331 struct ath10k_tpc_stats {
332 	u32 reg_domain;
333 	u32 chan_freq;
334 	u32 phy_mode;
335 	u32 twice_antenna_reduction;
336 	u32 twice_max_rd_power;
337 	s32 twice_antenna_gain;
338 	u32 power_limit;
339 	u32 num_tx_chain;
340 	u32 ctl;
341 	u32 rate_max;
342 	u8 flag[WMI_TPC_FLAG];
343 	struct ath10k_tpc_table tpc_table[WMI_TPC_FLAG];
344 };
345 
346 struct ath10k_tpc_table_final {
347 	u32 pream_idx[WMI_TPC_FINAL_RATE_MAX];
348 	u8 rate_code[WMI_TPC_FINAL_RATE_MAX];
349 	char tpc_value[WMI_TPC_FINAL_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE];
350 };
351 
352 struct ath10k_tpc_stats_final {
353 	u32 reg_domain;
354 	u32 chan_freq;
355 	u32 phy_mode;
356 	u32 twice_antenna_reduction;
357 	u32 twice_max_rd_power;
358 	s32 twice_antenna_gain;
359 	u32 power_limit;
360 	u32 num_tx_chain;
361 	u32 ctl;
362 	u32 rate_max;
363 	u8 flag[WMI_TPC_FLAG];
364 	struct ath10k_tpc_table_final tpc_table_final[WMI_TPC_FLAG];
365 };
366 
367 struct ath10k_dfs_stats {
368 	u32 phy_errors;
369 	u32 pulses_total;
370 	u32 pulses_detected;
371 	u32 pulses_discarded;
372 	u32 radar_detected;
373 };
374 
375 enum ath10k_radar_confirmation_state {
376 	ATH10K_RADAR_CONFIRMATION_IDLE = 0,
377 	ATH10K_RADAR_CONFIRMATION_INPROGRESS,
378 	ATH10K_RADAR_CONFIRMATION_STOPPED,
379 };
380 
381 struct ath10k_radar_found_info {
382 	u32 pri_min;
383 	u32 pri_max;
384 	u32 width_min;
385 	u32 width_max;
386 	u32 sidx_min;
387 	u32 sidx_max;
388 };
389 
390 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */
391 
392 struct ath10k_peer {
393 	struct list_head list;
394 	struct ieee80211_vif *vif;
395 	struct ieee80211_sta *sta;
396 
397 	bool removed;
398 	int vdev_id;
399 	u8 addr[ETH_ALEN];
400 	DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS);
401 
402 	/* protected by ar->data_lock */
403 	struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
404 	union htt_rx_pn_t tids_last_pn[ATH10K_TXRX_NUM_EXT_TIDS];
405 	bool tids_last_pn_valid[ATH10K_TXRX_NUM_EXT_TIDS];
406 	union htt_rx_pn_t frag_tids_last_pn[ATH10K_TXRX_NUM_EXT_TIDS];
407 	u32 frag_tids_seq[ATH10K_TXRX_NUM_EXT_TIDS];
408 	struct {
409 		enum htt_security_types sec_type;
410 		int pn_len;
411 	} rx_pn[ATH10K_HTT_TXRX_PEER_SECURITY_MAX];
412 };
413 
414 struct ath10k_txq {
415 	struct list_head list;
416 	unsigned long num_fw_queued;
417 	unsigned long num_push_allowed;
418 };
419 
420 enum ath10k_pkt_rx_err {
421 	ATH10K_PKT_RX_ERR_FCS,
422 	ATH10K_PKT_RX_ERR_TKIP,
423 	ATH10K_PKT_RX_ERR_CRYPT,
424 	ATH10K_PKT_RX_ERR_PEER_IDX_INVAL,
425 	ATH10K_PKT_RX_ERR_MAX,
426 };
427 
428 enum ath10k_ampdu_subfrm_num {
429 	ATH10K_AMPDU_SUBFRM_NUM_10,
430 	ATH10K_AMPDU_SUBFRM_NUM_20,
431 	ATH10K_AMPDU_SUBFRM_NUM_30,
432 	ATH10K_AMPDU_SUBFRM_NUM_40,
433 	ATH10K_AMPDU_SUBFRM_NUM_50,
434 	ATH10K_AMPDU_SUBFRM_NUM_60,
435 	ATH10K_AMPDU_SUBFRM_NUM_MORE,
436 	ATH10K_AMPDU_SUBFRM_NUM_MAX,
437 };
438 
439 enum ath10k_amsdu_subfrm_num {
440 	ATH10K_AMSDU_SUBFRM_NUM_1,
441 	ATH10K_AMSDU_SUBFRM_NUM_2,
442 	ATH10K_AMSDU_SUBFRM_NUM_3,
443 	ATH10K_AMSDU_SUBFRM_NUM_4,
444 	ATH10K_AMSDU_SUBFRM_NUM_MORE,
445 	ATH10K_AMSDU_SUBFRM_NUM_MAX,
446 };
447 
448 struct ath10k_sta_tid_stats {
449 	unsigned long rx_pkt_from_fw;
450 	unsigned long rx_pkt_unchained;
451 	unsigned long rx_pkt_drop_chained;
452 	unsigned long rx_pkt_drop_filter;
453 	unsigned long rx_pkt_err[ATH10K_PKT_RX_ERR_MAX];
454 	unsigned long rx_pkt_queued_for_mac;
455 	unsigned long rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_MAX];
456 	unsigned long rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_MAX];
457 };
458 
459 enum ath10k_counter_type {
460 	ATH10K_COUNTER_TYPE_BYTES,
461 	ATH10K_COUNTER_TYPE_PKTS,
462 	ATH10K_COUNTER_TYPE_MAX,
463 };
464 
465 enum ath10k_stats_type {
466 	ATH10K_STATS_TYPE_SUCC,
467 	ATH10K_STATS_TYPE_FAIL,
468 	ATH10K_STATS_TYPE_RETRY,
469 	ATH10K_STATS_TYPE_AMPDU,
470 	ATH10K_STATS_TYPE_MAX,
471 };
472 
473 struct ath10k_htt_data_stats {
474 	u64 legacy[ATH10K_COUNTER_TYPE_MAX][ATH10K_LEGACY_NUM];
475 	u64 ht[ATH10K_COUNTER_TYPE_MAX][ATH10K_HT_MCS_NUM];
476 	u64 vht[ATH10K_COUNTER_TYPE_MAX][ATH10K_VHT_MCS_NUM];
477 	u64 bw[ATH10K_COUNTER_TYPE_MAX][ATH10K_BW_NUM];
478 	u64 nss[ATH10K_COUNTER_TYPE_MAX][ATH10K_NSS_NUM];
479 	u64 gi[ATH10K_COUNTER_TYPE_MAX][ATH10K_GI_NUM];
480 	u64 rate_table[ATH10K_COUNTER_TYPE_MAX][ATH10K_RATE_TABLE_NUM];
481 };
482 
483 struct ath10k_htt_tx_stats {
484 	struct ath10k_htt_data_stats stats[ATH10K_STATS_TYPE_MAX];
485 	u64 tx_duration;
486 	u64 ba_fails;
487 	u64 ack_fails;
488 };
489 
490 struct ath10k_sta {
491 	struct ath10k_vif *arvif;
492 
493 	/* the following are protected by ar->data_lock */
494 	u32 changed; /* IEEE80211_RC_* */
495 	u32 bw;
496 	u32 nss;
497 	u32 smps;
498 	u16 peer_id;
499 	struct rate_info txrate;
500 	struct ieee80211_tx_info tx_info;
501 	u32 last_tx_bitrate;
502 
503 	struct work_struct update_wk;
504 	u64 rx_duration;
505 	struct ath10k_htt_tx_stats *tx_stats;
506 
507 #ifdef CONFIG_MAC80211_DEBUGFS
508 	/* protected by conf_mutex */
509 	bool aggr_mode;
510 
511 	/* Protected with ar->data_lock */
512 	struct ath10k_sta_tid_stats tid_stats[IEEE80211_NUM_TIDS + 1];
513 #endif
514 	/* Protected with ar->data_lock */
515 	u32 peer_ps_state;
516 };
517 
518 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ	(5 * HZ)
519 #define ATH10K_VDEV_DELETE_TIMEOUT_HZ	(5 * HZ)
520 
521 enum ath10k_beacon_state {
522 	ATH10K_BEACON_SCHEDULED = 0,
523 	ATH10K_BEACON_SENDING,
524 	ATH10K_BEACON_SENT,
525 };
526 
527 struct ath10k_vif {
528 	struct list_head list;
529 
530 	u32 vdev_id;
531 	u16 peer_id;
532 	enum wmi_vdev_type vdev_type;
533 	enum wmi_vdev_subtype vdev_subtype;
534 	u32 beacon_interval;
535 	u32 dtim_period;
536 	struct sk_buff *beacon;
537 	/* protected by data_lock */
538 	enum ath10k_beacon_state beacon_state;
539 	void *beacon_buf;
540 	dma_addr_t beacon_paddr;
541 	unsigned long tx_paused; /* arbitrary values defined by target */
542 
543 	struct ath10k *ar;
544 	struct ieee80211_vif *vif;
545 
546 	bool is_started;
547 	bool is_up;
548 	bool spectral_enabled;
549 	bool ps;
550 	u32 aid;
551 	u8 bssid[ETH_ALEN];
552 
553 	struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1];
554 	s8 def_wep_key_idx;
555 
556 	u16 tx_seq_no;
557 
558 	union {
559 		struct {
560 			u32 uapsd;
561 		} sta;
562 		struct {
563 			/* 512 stations */
564 			u8 tim_bitmap[64];
565 			u8 tim_len;
566 			u32 ssid_len;
567 			u8 ssid[IEEE80211_MAX_SSID_LEN];
568 			bool hidden_ssid;
569 			/* P2P_IE with NoA attribute for P2P_GO case */
570 			u32 noa_len;
571 			u8 *noa_data;
572 		} ap;
573 	} u;
574 
575 	bool use_cts_prot;
576 	bool nohwcrypt;
577 	int num_legacy_stations;
578 	int txpower;
579 	bool ftm_responder;
580 	struct wmi_wmm_params_all_arg wmm_params;
581 	struct work_struct ap_csa_work;
582 	struct delayed_work connection_loss_work;
583 	struct cfg80211_bitrate_mask bitrate_mask;
584 
585 	/* For setting VHT peer fixed rate, protected by conf_mutex */
586 	int vht_num_rates;
587 	u8 vht_pfr;
588 };
589 
590 struct ath10k_vif_iter {
591 	u32 vdev_id;
592 	struct ath10k_vif *arvif;
593 };
594 
595 /* Copy Engine register dump, protected by ce-lock */
596 struct ath10k_ce_crash_data {
597 	__le32 base_addr;
598 	__le32 src_wr_idx;
599 	__le32 src_r_idx;
600 	__le32 dst_wr_idx;
601 	__le32 dst_r_idx;
602 };
603 
604 struct ath10k_ce_crash_hdr {
605 	__le32 ce_count;
606 	__le32 reserved[3]; /* for future use */
607 	struct ath10k_ce_crash_data entries[];
608 };
609 
610 #define MAX_MEM_DUMP_TYPE	5
611 
612 /* used for crash-dump storage, protected by data-lock */
613 struct ath10k_fw_crash_data {
614 	guid_t guid;
615 	struct timespec64 timestamp;
616 	__le32 registers[REG_DUMP_COUNT_QCA988X];
617 	struct ath10k_ce_crash_data ce_crash_data[CE_COUNT_MAX];
618 
619 	u8 *ramdump_buf;
620 	size_t ramdump_buf_len;
621 };
622 
623 struct ath10k_debug {
624 	struct dentry *debugfs_phy;
625 
626 	struct ath10k_fw_stats fw_stats;
627 	struct completion fw_stats_complete;
628 	bool fw_stats_done;
629 
630 	unsigned long htt_stats_mask;
631 	unsigned long reset_htt_stats;
632 	struct delayed_work htt_stats_dwork;
633 	struct ath10k_dfs_stats dfs_stats;
634 	struct ath_dfs_pool_stats dfs_pool_stats;
635 
636 	/* used for tpc-dump storage, protected by data-lock */
637 	struct ath10k_tpc_stats *tpc_stats;
638 	struct ath10k_tpc_stats_final *tpc_stats_final;
639 
640 	struct completion tpc_complete;
641 
642 	/* protected by conf_mutex */
643 	u64 fw_dbglog_mask;
644 	u32 fw_dbglog_level;
645 	u32 reg_addr;
646 	u32 nf_cal_period;
647 	void *cal_data;
648 	u32 enable_extd_tx_stats;
649 	u8 fw_dbglog_mode;
650 };
651 
652 enum ath10k_state {
653 	ATH10K_STATE_OFF = 0,
654 	ATH10K_STATE_ON,
655 
656 	/* When doing firmware recovery the device is first powered down.
657 	 * mac80211 is supposed to call in to start() hook later on. It is
658 	 * however possible that driver unloading and firmware crash overlap.
659 	 * mac80211 can wait on conf_mutex in stop() while the device is
660 	 * stopped in ath10k_core_restart() work holding conf_mutex. The state
661 	 * RESTARTED means that the device is up and mac80211 has started hw
662 	 * reconfiguration. Once mac80211 is done with the reconfiguration we
663 	 * set the state to STATE_ON in reconfig_complete().
664 	 */
665 	ATH10K_STATE_RESTARTING,
666 	ATH10K_STATE_RESTARTED,
667 
668 	/* The device has crashed while restarting hw. This state is like ON
669 	 * but commands are blocked in HTC and -ECOMM response is given. This
670 	 * prevents completion timeouts and makes the driver more responsive to
671 	 * userspace commands. This is also prevents recursive recovery.
672 	 */
673 	ATH10K_STATE_WEDGED,
674 
675 	/* factory tests */
676 	ATH10K_STATE_UTF,
677 };
678 
679 enum ath10k_firmware_mode {
680 	/* the default mode, standard 802.11 functionality */
681 	ATH10K_FIRMWARE_MODE_NORMAL,
682 
683 	/* factory tests etc */
684 	ATH10K_FIRMWARE_MODE_UTF,
685 };
686 
687 enum ath10k_fw_features {
688 	/* wmi_mgmt_rx_hdr contains extra RSSI information */
689 	ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0,
690 
691 	/* Firmware from 10X branch. Deprecated, don't use in new code. */
692 	ATH10K_FW_FEATURE_WMI_10X = 1,
693 
694 	/* firmware support tx frame management over WMI, otherwise it's HTT */
695 	ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2,
696 
697 	/* Firmware does not support P2P */
698 	ATH10K_FW_FEATURE_NO_P2P = 3,
699 
700 	/* Firmware 10.2 feature bit. The ATH10K_FW_FEATURE_WMI_10X feature
701 	 * bit is required to be set as well. Deprecated, don't use in new
702 	 * code.
703 	 */
704 	ATH10K_FW_FEATURE_WMI_10_2 = 4,
705 
706 	/* Some firmware revisions lack proper multi-interface client powersave
707 	 * implementation. Enabling PS could result in connection drops,
708 	 * traffic stalls, etc.
709 	 */
710 	ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5,
711 
712 	/* Some firmware revisions have an incomplete WoWLAN implementation
713 	 * despite WMI service bit being advertised. This feature flag is used
714 	 * to distinguish whether WoWLAN is really supported or not.
715 	 */
716 	ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6,
717 
718 	/* Don't trust error code from otp.bin */
719 	ATH10K_FW_FEATURE_IGNORE_OTP_RESULT = 7,
720 
721 	/* Some firmware revisions pad 4th hw address to 4 byte boundary making
722 	 * it 8 bytes long in Native Wifi Rx decap.
723 	 */
724 	ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING = 8,
725 
726 	/* Firmware supports bypassing PLL setting on init. */
727 	ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9,
728 
729 	/* Raw mode support. If supported, FW supports receiving and trasmitting
730 	 * frames in raw mode.
731 	 */
732 	ATH10K_FW_FEATURE_RAW_MODE_SUPPORT = 10,
733 
734 	/* Firmware Supports Adaptive CCA*/
735 	ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA = 11,
736 
737 	/* Firmware supports management frame protection */
738 	ATH10K_FW_FEATURE_MFP_SUPPORT = 12,
739 
740 	/* Firmware supports pull-push model where host shares it's software
741 	 * queue state with firmware and firmware generates fetch requests
742 	 * telling host which queues to dequeue tx from.
743 	 *
744 	 * Primary function of this is improved MU-MIMO performance with
745 	 * multiple clients.
746 	 */
747 	ATH10K_FW_FEATURE_PEER_FLOW_CONTROL = 13,
748 
749 	/* Firmware supports BT-Coex without reloading firmware via pdev param.
750 	 * To support Bluetooth coexistence pdev param, WMI_COEX_GPIO_SUPPORT of
751 	 * extended resource config should be enabled always. This firmware IE
752 	 * is used to configure WMI_COEX_GPIO_SUPPORT.
753 	 */
754 	ATH10K_FW_FEATURE_BTCOEX_PARAM = 14,
755 
756 	/* Unused flag and proven to be not working, enable this if you want
757 	 * to experiment sending NULL func data frames in HTT TX
758 	 */
759 	ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR = 15,
760 
761 	/* Firmware allow other BSS mesh broadcast/multicast frames without
762 	 * creating monitor interface. Appropriate rxfilters are programmed for
763 	 * mesh vdev by firmware itself. This feature flags will be used for
764 	 * not creating monitor vdev while configuring mesh node.
765 	 */
766 	ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST = 16,
767 
768 	/* Firmware does not support power save in station mode. */
769 	ATH10K_FW_FEATURE_NO_PS = 17,
770 
771 	/* Firmware allows management tx by reference instead of by value. */
772 	ATH10K_FW_FEATURE_MGMT_TX_BY_REF = 18,
773 
774 	/* Firmware load is done externally, not by bmi */
775 	ATH10K_FW_FEATURE_NON_BMI = 19,
776 
777 	/* Firmware sends only one chan_info event per channel */
778 	ATH10K_FW_FEATURE_SINGLE_CHAN_INFO_PER_CHANNEL = 20,
779 
780 	/* Firmware allows setting peer fixed rate */
781 	ATH10K_FW_FEATURE_PEER_FIXED_RATE = 21,
782 
783 	/* keep last */
784 	ATH10K_FW_FEATURE_COUNT,
785 };
786 
787 enum ath10k_dev_flags {
788 	/* Indicates that ath10k device is during CAC phase of DFS */
789 	ATH10K_CAC_RUNNING,
790 	ATH10K_FLAG_CORE_REGISTERED,
791 
792 	/* Device has crashed and needs to restart. This indicates any pending
793 	 * waiters should immediately cancel instead of waiting for a time out.
794 	 */
795 	ATH10K_FLAG_CRASH_FLUSH,
796 
797 	/* Use Raw mode instead of native WiFi Tx/Rx encap mode.
798 	 * Raw mode supports both hardware and software crypto. Native WiFi only
799 	 * supports hardware crypto.
800 	 */
801 	ATH10K_FLAG_RAW_MODE,
802 
803 	/* Disable HW crypto engine */
804 	ATH10K_FLAG_HW_CRYPTO_DISABLED,
805 
806 	/* Bluetooth coexistance enabled */
807 	ATH10K_FLAG_BTCOEX,
808 
809 	/* Per Station statistics service */
810 	ATH10K_FLAG_PEER_STATS,
811 };
812 
813 enum ath10k_cal_mode {
814 	ATH10K_CAL_MODE_FILE,
815 	ATH10K_CAL_MODE_OTP,
816 	ATH10K_CAL_MODE_DT,
817 	ATH10K_PRE_CAL_MODE_FILE,
818 	ATH10K_PRE_CAL_MODE_DT,
819 	ATH10K_CAL_MODE_EEPROM,
820 };
821 
822 enum ath10k_crypt_mode {
823 	/* Only use hardware crypto engine */
824 	ATH10K_CRYPT_MODE_HW,
825 	/* Only use software crypto engine */
826 	ATH10K_CRYPT_MODE_SW,
827 };
828 
829 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode)
830 {
831 	switch (mode) {
832 	case ATH10K_CAL_MODE_FILE:
833 		return "file";
834 	case ATH10K_CAL_MODE_OTP:
835 		return "otp";
836 	case ATH10K_CAL_MODE_DT:
837 		return "dt";
838 	case ATH10K_PRE_CAL_MODE_FILE:
839 		return "pre-cal-file";
840 	case ATH10K_PRE_CAL_MODE_DT:
841 		return "pre-cal-dt";
842 	case ATH10K_CAL_MODE_EEPROM:
843 		return "eeprom";
844 	}
845 
846 	return "unknown";
847 }
848 
849 enum ath10k_scan_state {
850 	ATH10K_SCAN_IDLE,
851 	ATH10K_SCAN_STARTING,
852 	ATH10K_SCAN_RUNNING,
853 	ATH10K_SCAN_ABORTING,
854 };
855 
856 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state)
857 {
858 	switch (state) {
859 	case ATH10K_SCAN_IDLE:
860 		return "idle";
861 	case ATH10K_SCAN_STARTING:
862 		return "starting";
863 	case ATH10K_SCAN_RUNNING:
864 		return "running";
865 	case ATH10K_SCAN_ABORTING:
866 		return "aborting";
867 	}
868 
869 	return "unknown";
870 }
871 
872 enum ath10k_tx_pause_reason {
873 	ATH10K_TX_PAUSE_Q_FULL,
874 	ATH10K_TX_PAUSE_MAX,
875 };
876 
877 struct ath10k_fw_file {
878 	const struct firmware *firmware;
879 
880 	char fw_version[ETHTOOL_FWVERS_LEN];
881 
882 	DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
883 
884 	enum ath10k_fw_wmi_op_version wmi_op_version;
885 	enum ath10k_fw_htt_op_version htt_op_version;
886 
887 	const void *firmware_data;
888 	size_t firmware_len;
889 
890 	const void *otp_data;
891 	size_t otp_len;
892 
893 	const void *codeswap_data;
894 	size_t codeswap_len;
895 
896 	/* The original idea of struct ath10k_fw_file was that it only
897 	 * contains struct firmware and pointers to various parts (actual
898 	 * firmware binary, otp, metadata etc) of the file. This seg_info
899 	 * is actually created separate but as this is used similarly as
900 	 * the other firmware components it's more convenient to have it
901 	 * here.
902 	 */
903 	struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info;
904 };
905 
906 struct ath10k_fw_components {
907 	const struct firmware *board;
908 	const void *board_data;
909 	size_t board_len;
910 	const struct firmware *ext_board;
911 	const void *ext_board_data;
912 	size_t ext_board_len;
913 
914 	struct ath10k_fw_file fw_file;
915 };
916 
917 struct ath10k_per_peer_tx_stats {
918 	u32	succ_bytes;
919 	u32	retry_bytes;
920 	u32	failed_bytes;
921 	u8	ratecode;
922 	u8	flags;
923 	u16	peer_id;
924 	u16	succ_pkts;
925 	u16	retry_pkts;
926 	u16	failed_pkts;
927 	u16	duration;
928 	u32	reserved1;
929 	u32	reserved2;
930 };
931 
932 enum ath10k_dev_type {
933 	ATH10K_DEV_TYPE_LL,
934 	ATH10K_DEV_TYPE_HL,
935 };
936 
937 struct ath10k_bus_params {
938 	u32 chip_id;
939 	enum ath10k_dev_type dev_type;
940 	bool link_can_suspend;
941 	bool hl_msdu_ids;
942 };
943 
944 struct ath10k {
945 	struct ath_common ath_common;
946 	struct ieee80211_hw *hw;
947 	struct ieee80211_ops *ops;
948 	struct device *dev;
949 	u8 mac_addr[ETH_ALEN];
950 
951 	enum ath10k_hw_rev hw_rev;
952 	u16 dev_id;
953 	u32 chip_id;
954 	enum ath10k_dev_type dev_type;
955 	u32 target_version;
956 	u8 fw_version_major;
957 	u32 fw_version_minor;
958 	u16 fw_version_release;
959 	u16 fw_version_build;
960 	u32 fw_stats_req_mask;
961 	u32 phy_capability;
962 	u32 hw_min_tx_power;
963 	u32 hw_max_tx_power;
964 	u32 hw_eeprom_rd;
965 	u32 ht_cap_info;
966 	u32 vht_cap_info;
967 	u32 vht_supp_mcs;
968 	u32 num_rf_chains;
969 	u32 max_spatial_stream;
970 	/* protected by conf_mutex */
971 	u32 low_2ghz_chan;
972 	u32 high_2ghz_chan;
973 	u32 low_5ghz_chan;
974 	u32 high_5ghz_chan;
975 	bool ani_enabled;
976 	u32 sys_cap_info;
977 
978 	/* protected by data_lock */
979 	bool hw_rfkill_on;
980 
981 	/* protected by conf_mutex */
982 	u8 ps_state_enable;
983 
984 	bool nlo_enabled;
985 	bool p2p;
986 
987 	struct {
988 		enum ath10k_bus bus;
989 		const struct ath10k_hif_ops *ops;
990 	} hif;
991 
992 	struct completion target_suspend;
993 	struct completion driver_recovery;
994 
995 	const struct ath10k_hw_regs *regs;
996 	const struct ath10k_hw_ce_regs *hw_ce_regs;
997 	const struct ath10k_hw_values *hw_values;
998 	struct ath10k_bmi bmi;
999 	struct ath10k_wmi wmi;
1000 	struct ath10k_htc htc;
1001 	struct ath10k_htt htt;
1002 
1003 	struct ath10k_hw_params hw_params;
1004 
1005 	/* contains the firmware images used with ATH10K_FIRMWARE_MODE_NORMAL */
1006 	struct ath10k_fw_components normal_mode_fw;
1007 
1008 	/* READ-ONLY images of the running firmware, which can be either
1009 	 * normal or UTF. Do not modify, release etc!
1010 	 */
1011 	const struct ath10k_fw_components *running_fw;
1012 
1013 	const struct firmware *pre_cal_file;
1014 	const struct firmware *cal_file;
1015 
1016 	struct {
1017 		u32 vendor;
1018 		u32 device;
1019 		u32 subsystem_vendor;
1020 		u32 subsystem_device;
1021 
1022 		bool bmi_ids_valid;
1023 		bool qmi_ids_valid;
1024 		u32 qmi_board_id;
1025 		u8 bmi_board_id;
1026 		u8 bmi_eboard_id;
1027 		u8 bmi_chip_id;
1028 		bool ext_bid_supported;
1029 
1030 		char bdf_ext[ATH10K_SMBIOS_BDF_EXT_STR_LENGTH];
1031 	} id;
1032 
1033 	int fw_api;
1034 	int bd_api;
1035 	enum ath10k_cal_mode cal_mode;
1036 
1037 	struct {
1038 		struct completion started;
1039 		struct completion completed;
1040 		struct completion on_channel;
1041 		struct delayed_work timeout;
1042 		enum ath10k_scan_state state;
1043 		bool is_roc;
1044 		int vdev_id;
1045 		int roc_freq;
1046 		bool roc_notify;
1047 	} scan;
1048 
1049 	struct {
1050 		struct ieee80211_supported_band sbands[NUM_NL80211_BANDS];
1051 	} mac;
1052 
1053 	/* should never be NULL; needed for regular htt rx */
1054 	struct ieee80211_channel *rx_channel;
1055 
1056 	/* valid during scan; needed for mgmt rx during scan */
1057 	struct ieee80211_channel *scan_channel;
1058 
1059 	/* current operating channel definition */
1060 	struct cfg80211_chan_def chandef;
1061 
1062 	/* currently configured operating channel in firmware */
1063 	struct ieee80211_channel *tgt_oper_chan;
1064 
1065 	unsigned long long free_vdev_map;
1066 	struct ath10k_vif *monitor_arvif;
1067 	bool monitor;
1068 	int monitor_vdev_id;
1069 	bool monitor_started;
1070 	unsigned int filter_flags;
1071 	unsigned long dev_flags;
1072 	bool dfs_block_radar_events;
1073 
1074 	/* protected by conf_mutex */
1075 	bool radar_enabled;
1076 	int num_started_vdevs;
1077 
1078 	/* Protected by conf-mutex */
1079 	u8 cfg_tx_chainmask;
1080 	u8 cfg_rx_chainmask;
1081 
1082 	struct completion install_key_done;
1083 
1084 	int last_wmi_vdev_start_status;
1085 	struct completion vdev_setup_done;
1086 	struct completion vdev_delete_done;
1087 
1088 	struct workqueue_struct *workqueue;
1089 	/* Auxiliary workqueue */
1090 	struct workqueue_struct *workqueue_aux;
1091 
1092 	/* prevents concurrent FW reconfiguration */
1093 	struct mutex conf_mutex;
1094 
1095 	/* protects coredump data */
1096 	struct mutex dump_mutex;
1097 
1098 	/* protects shared structure data */
1099 	spinlock_t data_lock;
1100 
1101 	struct list_head arvifs;
1102 	struct list_head peers;
1103 	struct ath10k_peer *peer_map[ATH10K_MAX_NUM_PEER_IDS];
1104 	wait_queue_head_t peer_mapping_wq;
1105 
1106 	/* protected by conf_mutex */
1107 	int num_peers;
1108 	int num_stations;
1109 
1110 	int max_num_peers;
1111 	int max_num_stations;
1112 	int max_num_vdevs;
1113 	int max_num_tdls_vdevs;
1114 	int num_active_peers;
1115 	int num_tids;
1116 
1117 	struct work_struct svc_rdy_work;
1118 	struct sk_buff *svc_rdy_skb;
1119 
1120 	struct work_struct offchan_tx_work;
1121 	struct sk_buff_head offchan_tx_queue;
1122 	struct completion offchan_tx_completed;
1123 	struct sk_buff *offchan_tx_skb;
1124 
1125 	struct work_struct wmi_mgmt_tx_work;
1126 	struct sk_buff_head wmi_mgmt_tx_queue;
1127 
1128 	enum ath10k_state state;
1129 
1130 	struct work_struct register_work;
1131 	struct work_struct restart_work;
1132 
1133 	/* cycle count is reported twice for each visited channel during scan.
1134 	 * access protected by data_lock
1135 	 */
1136 	u32 survey_last_rx_clear_count;
1137 	u32 survey_last_cycle_count;
1138 	struct survey_info survey[ATH10K_NUM_CHANS];
1139 
1140 	/* Channel info events are expected to come in pairs without and with
1141 	 * COMPLETE flag set respectively for each channel visit during scan.
1142 	 *
1143 	 * However there are deviations from this rule. This flag is used to
1144 	 * avoid reporting garbage data.
1145 	 */
1146 	bool ch_info_can_report_survey;
1147 	struct completion bss_survey_done;
1148 
1149 	struct dfs_pattern_detector *dfs_detector;
1150 
1151 	unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */
1152 
1153 #ifdef CONFIG_ATH10K_DEBUGFS
1154 	struct ath10k_debug debug;
1155 	struct {
1156 		/* relay(fs) channel for spectral scan */
1157 		struct rchan *rfs_chan_spec_scan;
1158 
1159 		/* spectral_mode and spec_config are protected by conf_mutex */
1160 		enum ath10k_spectral_mode mode;
1161 		struct ath10k_spec_scan config;
1162 	} spectral;
1163 #endif
1164 
1165 	u32 pktlog_filter;
1166 
1167 #ifdef CONFIG_DEV_COREDUMP
1168 	struct {
1169 		struct ath10k_fw_crash_data *fw_crash_data;
1170 	} coredump;
1171 #endif
1172 
1173 	struct {
1174 		/* protected by conf_mutex */
1175 		struct ath10k_fw_components utf_mode_fw;
1176 
1177 		/* protected by data_lock */
1178 		bool utf_monitor;
1179 	} testmode;
1180 
1181 	struct {
1182 		/* protected by data_lock */
1183 		u32 fw_crash_counter;
1184 		u32 fw_warm_reset_counter;
1185 		u32 fw_cold_reset_counter;
1186 	} stats;
1187 
1188 	struct ath10k_thermal thermal;
1189 	struct ath10k_wow wow;
1190 	struct ath10k_per_peer_tx_stats peer_tx_stats;
1191 
1192 	/* NAPI */
1193 	struct net_device napi_dev;
1194 	struct napi_struct napi;
1195 
1196 	struct work_struct set_coverage_class_work;
1197 	/* protected by conf_mutex */
1198 	struct {
1199 		/* writing also protected by data_lock */
1200 		s16 coverage_class;
1201 
1202 		u32 reg_phyclk;
1203 		u32 reg_slottime_conf;
1204 		u32 reg_slottime_orig;
1205 		u32 reg_ack_cts_timeout_conf;
1206 		u32 reg_ack_cts_timeout_orig;
1207 	} fw_coverage;
1208 
1209 	u32 ampdu_reference;
1210 
1211 	const u8 *wmi_key_cipher;
1212 	void *ce_priv;
1213 
1214 	u32 sta_tid_stats_mask;
1215 
1216 	/* protected by data_lock */
1217 	enum ath10k_radar_confirmation_state radar_conf_state;
1218 	struct ath10k_radar_found_info last_radar_info;
1219 	struct work_struct radar_confirmation_work;
1220 	struct ath10k_bus_params bus_param;
1221 	struct completion peer_delete_done;
1222 
1223 	/* must be last */
1224 	u8 drv_priv[0] __aligned(sizeof(void *));
1225 };
1226 
1227 static inline bool ath10k_peer_stats_enabled(struct ath10k *ar)
1228 {
1229 	if (test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) &&
1230 	    test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map))
1231 		return true;
1232 
1233 	return false;
1234 }
1235 
1236 extern unsigned long ath10k_coredump_mask;
1237 
1238 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
1239 				  enum ath10k_bus bus,
1240 				  enum ath10k_hw_rev hw_rev,
1241 				  const struct ath10k_hif_ops *hif_ops);
1242 void ath10k_core_destroy(struct ath10k *ar);
1243 void ath10k_core_get_fw_features_str(struct ath10k *ar,
1244 				     char *buf,
1245 				     size_t max_len);
1246 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
1247 				     struct ath10k_fw_file *fw_file);
1248 
1249 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
1250 		      const struct ath10k_fw_components *fw_components);
1251 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt);
1252 void ath10k_core_stop(struct ath10k *ar);
1253 int ath10k_core_register(struct ath10k *ar,
1254 			 const struct ath10k_bus_params *bus_params);
1255 void ath10k_core_unregister(struct ath10k *ar);
1256 int ath10k_core_fetch_board_file(struct ath10k *ar, int bd_ie_type);
1257 void ath10k_core_free_board_files(struct ath10k *ar);
1258 
1259 #endif /* _CORE_H_ */
1260