1 /* SPDX-License-Identifier: ISC */
2 /*
3  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4  */
5 
6 #ifndef __MT76_H
7 #define __MT76_H
8 
9 #include <linux/kernel.h>
10 #include <linux/io.h>
11 #include <linux/spinlock.h>
12 #include <linux/skbuff.h>
13 #include <linux/leds.h>
14 #include <linux/usb.h>
15 #include <linux/average.h>
16 #include <linux/soc/mediatek/mtk_wed.h>
17 #include <net/mac80211.h>
18 #include "util.h"
19 #include "testmode.h"
20 
21 #define MT_MCU_RING_SIZE	32
22 #define MT_RX_BUF_SIZE		2048
23 #define MT_SKB_HEAD_LEN		256
24 
25 #define MT_MAX_NON_AQL_PKT	16
26 #define MT_TXQ_FREE_THR		32
27 
28 #define MT76_TOKEN_FREE_THR	64
29 
30 #define MT_QFLAG_WED_RING	GENMASK(1, 0)
31 #define MT_QFLAG_WED_TYPE	GENMASK(3, 2)
32 #define MT_QFLAG_WED		BIT(4)
33 
34 #define __MT_WED_Q(_type, _n)	(MT_QFLAG_WED | \
35 				 FIELD_PREP(MT_QFLAG_WED_TYPE, _type) | \
36 				 FIELD_PREP(MT_QFLAG_WED_RING, _n))
37 #define MT_WED_Q_TX(_n)		__MT_WED_Q(MT76_WED_Q_TX, _n)
38 #define MT_WED_Q_RX(_n)		__MT_WED_Q(MT76_WED_Q_RX, _n)
39 #define MT_WED_Q_TXFREE		__MT_WED_Q(MT76_WED_Q_TXFREE, 0)
40 
41 struct mt76_dev;
42 struct mt76_phy;
43 struct mt76_wcid;
44 struct mt76s_intr;
45 
46 struct mt76_reg_pair {
47 	u32 reg;
48 	u32 value;
49 };
50 
51 enum mt76_bus_type {
52 	MT76_BUS_MMIO,
53 	MT76_BUS_USB,
54 	MT76_BUS_SDIO,
55 };
56 
57 enum mt76_wed_type {
58 	MT76_WED_Q_TX,
59 	MT76_WED_Q_TXFREE,
60 	MT76_WED_Q_RX,
61 };
62 
63 struct mt76_bus_ops {
64 	u32 (*rr)(struct mt76_dev *dev, u32 offset);
65 	void (*wr)(struct mt76_dev *dev, u32 offset, u32 val);
66 	u32 (*rmw)(struct mt76_dev *dev, u32 offset, u32 mask, u32 val);
67 	void (*write_copy)(struct mt76_dev *dev, u32 offset, const void *data,
68 			   int len);
69 	void (*read_copy)(struct mt76_dev *dev, u32 offset, void *data,
70 			  int len);
71 	int (*wr_rp)(struct mt76_dev *dev, u32 base,
72 		     const struct mt76_reg_pair *rp, int len);
73 	int (*rd_rp)(struct mt76_dev *dev, u32 base,
74 		     struct mt76_reg_pair *rp, int len);
75 	enum mt76_bus_type type;
76 };
77 
78 #define mt76_is_usb(dev) ((dev)->bus->type == MT76_BUS_USB)
79 #define mt76_is_mmio(dev) ((dev)->bus->type == MT76_BUS_MMIO)
80 #define mt76_is_sdio(dev) ((dev)->bus->type == MT76_BUS_SDIO)
81 
82 enum mt76_txq_id {
83 	MT_TXQ_VO = IEEE80211_AC_VO,
84 	MT_TXQ_VI = IEEE80211_AC_VI,
85 	MT_TXQ_BE = IEEE80211_AC_BE,
86 	MT_TXQ_BK = IEEE80211_AC_BK,
87 	MT_TXQ_PSD,
88 	MT_TXQ_BEACON,
89 	MT_TXQ_CAB,
90 	__MT_TXQ_MAX
91 };
92 
93 enum mt76_mcuq_id {
94 	MT_MCUQ_WM,
95 	MT_MCUQ_WA,
96 	MT_MCUQ_FWDL,
97 	__MT_MCUQ_MAX
98 };
99 
100 enum mt76_rxq_id {
101 	MT_RXQ_MAIN,
102 	MT_RXQ_MCU,
103 	MT_RXQ_MCU_WA,
104 	MT_RXQ_BAND1,
105 	MT_RXQ_BAND1_WA,
106 	MT_RXQ_MAIN_WA,
107 	MT_RXQ_BAND2,
108 	MT_RXQ_BAND2_WA,
109 	__MT_RXQ_MAX
110 };
111 
112 enum mt76_band_id {
113 	MT_BAND0,
114 	MT_BAND1,
115 	MT_BAND2,
116 	__MT_MAX_BAND
117 };
118 
119 enum mt76_cipher_type {
120 	MT_CIPHER_NONE,
121 	MT_CIPHER_WEP40,
122 	MT_CIPHER_TKIP,
123 	MT_CIPHER_TKIP_NO_MIC,
124 	MT_CIPHER_AES_CCMP,
125 	MT_CIPHER_WEP104,
126 	MT_CIPHER_BIP_CMAC_128,
127 	MT_CIPHER_WEP128,
128 	MT_CIPHER_WAPI,
129 	MT_CIPHER_CCMP_CCX,
130 	MT_CIPHER_CCMP_256,
131 	MT_CIPHER_GCMP,
132 	MT_CIPHER_GCMP_256,
133 };
134 
135 enum mt76_dfs_state {
136 	MT_DFS_STATE_UNKNOWN,
137 	MT_DFS_STATE_DISABLED,
138 	MT_DFS_STATE_CAC,
139 	MT_DFS_STATE_ACTIVE,
140 };
141 
142 struct mt76_queue_buf {
143 	dma_addr_t addr;
144 	u16 len;
145 	bool skip_unmap;
146 };
147 
148 struct mt76_tx_info {
149 	struct mt76_queue_buf buf[32];
150 	struct sk_buff *skb;
151 	int nbuf;
152 	u32 info;
153 };
154 
155 struct mt76_queue_entry {
156 	union {
157 		void *buf;
158 		struct sk_buff *skb;
159 	};
160 	union {
161 		struct mt76_txwi_cache *txwi;
162 		struct urb *urb;
163 		int buf_sz;
164 	};
165 	u32 dma_addr[2];
166 	u16 dma_len[2];
167 	u16 wcid;
168 	bool skip_buf0:1;
169 	bool skip_buf1:1;
170 	bool done:1;
171 };
172 
173 struct mt76_queue_regs {
174 	u32 desc_base;
175 	u32 ring_size;
176 	u32 cpu_idx;
177 	u32 dma_idx;
178 } __packed __aligned(4);
179 
180 struct mt76_queue {
181 	struct mt76_queue_regs __iomem *regs;
182 
183 	spinlock_t lock;
184 	spinlock_t cleanup_lock;
185 	struct mt76_queue_entry *entry;
186 	struct mt76_desc *desc;
187 
188 	u16 first;
189 	u16 head;
190 	u16 tail;
191 	int ndesc;
192 	int queued;
193 	int buf_size;
194 	bool stopped;
195 	bool blocked;
196 
197 	u8 buf_offset;
198 	u8 hw_idx;
199 	u8 flags;
200 
201 	u32 wed_regs;
202 
203 	dma_addr_t desc_dma;
204 	struct sk_buff *rx_head;
205 	struct page_pool *page_pool;
206 };
207 
208 struct mt76_mcu_ops {
209 	u32 headroom;
210 	u32 tailroom;
211 
212 	int (*mcu_send_msg)(struct mt76_dev *dev, int cmd, const void *data,
213 			    int len, bool wait_resp);
214 	int (*mcu_skb_send_msg)(struct mt76_dev *dev, struct sk_buff *skb,
215 				int cmd, int *seq);
216 	int (*mcu_parse_response)(struct mt76_dev *dev, int cmd,
217 				  struct sk_buff *skb, int seq);
218 	u32 (*mcu_rr)(struct mt76_dev *dev, u32 offset);
219 	void (*mcu_wr)(struct mt76_dev *dev, u32 offset, u32 val);
220 	int (*mcu_wr_rp)(struct mt76_dev *dev, u32 base,
221 			 const struct mt76_reg_pair *rp, int len);
222 	int (*mcu_rd_rp)(struct mt76_dev *dev, u32 base,
223 			 struct mt76_reg_pair *rp, int len);
224 	int (*mcu_restart)(struct mt76_dev *dev);
225 };
226 
227 struct mt76_queue_ops {
228 	int (*init)(struct mt76_dev *dev,
229 		    int (*poll)(struct napi_struct *napi, int budget));
230 
231 	int (*alloc)(struct mt76_dev *dev, struct mt76_queue *q,
232 		     int idx, int n_desc, int bufsize,
233 		     u32 ring_base);
234 
235 	int (*tx_queue_skb)(struct mt76_dev *dev, struct mt76_queue *q,
236 			    enum mt76_txq_id qid, struct sk_buff *skb,
237 			    struct mt76_wcid *wcid, struct ieee80211_sta *sta);
238 
239 	int (*tx_queue_skb_raw)(struct mt76_dev *dev, struct mt76_queue *q,
240 				struct sk_buff *skb, u32 tx_info);
241 
242 	void *(*dequeue)(struct mt76_dev *dev, struct mt76_queue *q, bool flush,
243 			 int *len, u32 *info, bool *more);
244 
245 	void (*rx_reset)(struct mt76_dev *dev, enum mt76_rxq_id qid);
246 
247 	void (*tx_cleanup)(struct mt76_dev *dev, struct mt76_queue *q,
248 			   bool flush);
249 
250 	void (*rx_cleanup)(struct mt76_dev *dev, struct mt76_queue *q);
251 
252 	void (*kick)(struct mt76_dev *dev, struct mt76_queue *q);
253 
254 	void (*reset_q)(struct mt76_dev *dev, struct mt76_queue *q);
255 };
256 
257 enum mt76_phy_type {
258 	MT_PHY_TYPE_CCK,
259 	MT_PHY_TYPE_OFDM,
260 	MT_PHY_TYPE_HT,
261 	MT_PHY_TYPE_HT_GF,
262 	MT_PHY_TYPE_VHT,
263 	MT_PHY_TYPE_HE_SU = 8,
264 	MT_PHY_TYPE_HE_EXT_SU,
265 	MT_PHY_TYPE_HE_TB,
266 	MT_PHY_TYPE_HE_MU,
267 	MT_PHY_TYPE_EHT_SU = 13,
268 	MT_PHY_TYPE_EHT_TRIG,
269 	MT_PHY_TYPE_EHT_MU,
270 	__MT_PHY_TYPE_MAX,
271 };
272 
273 struct mt76_sta_stats {
274 	u64 tx_mode[__MT_PHY_TYPE_MAX];
275 	u64 tx_bw[5];		/* 20, 40, 80, 160, 320 */
276 	u64 tx_nss[4];		/* 1, 2, 3, 4 */
277 	u64 tx_mcs[16];		/* mcs idx */
278 	u64 tx_bytes;
279 	/* WED TX */
280 	u32 tx_packets;
281 	u32 tx_retries;
282 	u32 tx_failed;
283 	/* WED RX */
284 	u64 rx_bytes;
285 	u32 rx_packets;
286 	u32 rx_errors;
287 	u32 rx_drops;
288 };
289 
290 enum mt76_wcid_flags {
291 	MT_WCID_FLAG_CHECK_PS,
292 	MT_WCID_FLAG_PS,
293 	MT_WCID_FLAG_4ADDR,
294 	MT_WCID_FLAG_HDR_TRANS,
295 };
296 
297 #define MT76_N_WCIDS 1088
298 
299 /* stored in ieee80211_tx_info::hw_queue */
300 #define MT_TX_HW_QUEUE_PHY		GENMASK(3, 2)
301 
302 DECLARE_EWMA(signal, 10, 8);
303 
304 #define MT_WCID_TX_INFO_RATE		GENMASK(15, 0)
305 #define MT_WCID_TX_INFO_NSS		GENMASK(17, 16)
306 #define MT_WCID_TX_INFO_TXPWR_ADJ	GENMASK(25, 18)
307 #define MT_WCID_TX_INFO_SET		BIT(31)
308 
309 struct mt76_wcid {
310 	struct mt76_rx_tid __rcu *aggr[IEEE80211_NUM_TIDS];
311 
312 	atomic_t non_aql_packets;
313 	unsigned long flags;
314 
315 	struct ewma_signal rssi;
316 	int inactive_count;
317 
318 	struct rate_info rate;
319 
320 	u16 idx;
321 	u8 hw_key_idx;
322 	u8 hw_key_idx2;
323 
324 	u8 sta:1;
325 	u8 amsdu:1;
326 	u8 phy_idx:2;
327 
328 	u8 rx_check_pn;
329 	u8 rx_key_pn[IEEE80211_NUM_TIDS + 1][6];
330 	u16 cipher;
331 
332 	u32 tx_info;
333 	bool sw_iv;
334 
335 	struct list_head list;
336 	struct idr pktid;
337 
338 	struct mt76_sta_stats stats;
339 };
340 
341 struct mt76_txq {
342 	u16 wcid;
343 
344 	u16 agg_ssn;
345 	bool send_bar;
346 	bool aggr;
347 };
348 
349 struct mt76_txwi_cache {
350 	struct list_head list;
351 	dma_addr_t dma_addr;
352 
353 	union {
354 		struct sk_buff *skb;
355 		void *ptr;
356 	};
357 };
358 
359 struct mt76_rx_tid {
360 	struct rcu_head rcu_head;
361 
362 	struct mt76_dev *dev;
363 
364 	spinlock_t lock;
365 	struct delayed_work reorder_work;
366 
367 	u16 head;
368 	u16 size;
369 	u16 nframes;
370 
371 	u8 num;
372 
373 	u8 started:1, stopped:1, timer_pending:1;
374 
375 	struct sk_buff *reorder_buf[];
376 };
377 
378 #define MT_TX_CB_DMA_DONE		BIT(0)
379 #define MT_TX_CB_TXS_DONE		BIT(1)
380 #define MT_TX_CB_TXS_FAILED		BIT(2)
381 
382 #define MT_PACKET_ID_MASK		GENMASK(6, 0)
383 #define MT_PACKET_ID_NO_ACK		0
384 #define MT_PACKET_ID_NO_SKB		1
385 #define MT_PACKET_ID_WED		2
386 #define MT_PACKET_ID_FIRST		3
387 #define MT_PACKET_ID_HAS_RATE		BIT(7)
388 /* This is timer for when to give up when waiting for TXS callback,
389  * with starting time being the time at which the DMA_DONE callback
390  * was seen (so, we know packet was processed then, it should not take
391  * long after that for firmware to send the TXS callback if it is going
392  * to do so.)
393  */
394 #define MT_TX_STATUS_SKB_TIMEOUT	(HZ / 4)
395 
396 struct mt76_tx_cb {
397 	unsigned long jiffies;
398 	u16 wcid;
399 	u8 pktid;
400 	u8 flags;
401 };
402 
403 enum {
404 	MT76_STATE_INITIALIZED,
405 	MT76_STATE_REGISTERED,
406 	MT76_STATE_RUNNING,
407 	MT76_STATE_MCU_RUNNING,
408 	MT76_SCANNING,
409 	MT76_HW_SCANNING,
410 	MT76_HW_SCHED_SCANNING,
411 	MT76_RESTART,
412 	MT76_RESET,
413 	MT76_MCU_RESET,
414 	MT76_REMOVED,
415 	MT76_READING_STATS,
416 	MT76_STATE_POWER_OFF,
417 	MT76_STATE_SUSPEND,
418 	MT76_STATE_ROC,
419 	MT76_STATE_PM,
420 	MT76_STATE_WED_RESET,
421 };
422 
423 struct mt76_hw_cap {
424 	bool has_2ghz;
425 	bool has_5ghz;
426 	bool has_6ghz;
427 };
428 
429 #define MT_DRV_TXWI_NO_FREE		BIT(0)
430 #define MT_DRV_TX_ALIGNED4_SKBS		BIT(1)
431 #define MT_DRV_SW_RX_AIRTIME		BIT(2)
432 #define MT_DRV_RX_DMA_HDR		BIT(3)
433 #define MT_DRV_HW_MGMT_TXQ		BIT(4)
434 #define MT_DRV_AMSDU_OFFLOAD		BIT(5)
435 
436 struct mt76_driver_ops {
437 	u32 drv_flags;
438 	u32 survey_flags;
439 	u16 txwi_size;
440 	u16 token_size;
441 	u8 mcs_rates;
442 
443 	void (*update_survey)(struct mt76_phy *phy);
444 
445 	int (*tx_prepare_skb)(struct mt76_dev *dev, void *txwi_ptr,
446 			      enum mt76_txq_id qid, struct mt76_wcid *wcid,
447 			      struct ieee80211_sta *sta,
448 			      struct mt76_tx_info *tx_info);
449 
450 	void (*tx_complete_skb)(struct mt76_dev *dev,
451 				struct mt76_queue_entry *e);
452 
453 	bool (*tx_status_data)(struct mt76_dev *dev, u8 *update);
454 
455 	bool (*rx_check)(struct mt76_dev *dev, void *data, int len);
456 
457 	void (*rx_skb)(struct mt76_dev *dev, enum mt76_rxq_id q,
458 		       struct sk_buff *skb, u32 *info);
459 
460 	void (*rx_poll_complete)(struct mt76_dev *dev, enum mt76_rxq_id q);
461 
462 	void (*sta_ps)(struct mt76_dev *dev, struct ieee80211_sta *sta,
463 		       bool ps);
464 
465 	int (*sta_add)(struct mt76_dev *dev, struct ieee80211_vif *vif,
466 		       struct ieee80211_sta *sta);
467 
468 	void (*sta_assoc)(struct mt76_dev *dev, struct ieee80211_vif *vif,
469 			  struct ieee80211_sta *sta);
470 
471 	void (*sta_remove)(struct mt76_dev *dev, struct ieee80211_vif *vif,
472 			   struct ieee80211_sta *sta);
473 };
474 
475 struct mt76_channel_state {
476 	u64 cc_active;
477 	u64 cc_busy;
478 	u64 cc_rx;
479 	u64 cc_bss_rx;
480 	u64 cc_tx;
481 
482 	s8 noise;
483 };
484 
485 struct mt76_sband {
486 	struct ieee80211_supported_band sband;
487 	struct mt76_channel_state *chan;
488 };
489 
490 /* addr req mask */
491 #define MT_VEND_TYPE_EEPROM	BIT(31)
492 #define MT_VEND_TYPE_CFG	BIT(30)
493 #define MT_VEND_TYPE_MASK	(MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG)
494 
495 #define MT_VEND_ADDR(type, n)	(MT_VEND_TYPE_##type | (n))
496 enum mt_vendor_req {
497 	MT_VEND_DEV_MODE =	0x1,
498 	MT_VEND_WRITE =		0x2,
499 	MT_VEND_POWER_ON =	0x4,
500 	MT_VEND_MULTI_WRITE =	0x6,
501 	MT_VEND_MULTI_READ =	0x7,
502 	MT_VEND_READ_EEPROM =	0x9,
503 	MT_VEND_WRITE_FCE =	0x42,
504 	MT_VEND_WRITE_CFG =	0x46,
505 	MT_VEND_READ_CFG =	0x47,
506 	MT_VEND_READ_EXT =	0x63,
507 	MT_VEND_WRITE_EXT =	0x66,
508 	MT_VEND_FEATURE_SET =	0x91,
509 };
510 
511 enum mt76u_in_ep {
512 	MT_EP_IN_PKT_RX,
513 	MT_EP_IN_CMD_RESP,
514 	__MT_EP_IN_MAX,
515 };
516 
517 enum mt76u_out_ep {
518 	MT_EP_OUT_INBAND_CMD,
519 	MT_EP_OUT_AC_BE,
520 	MT_EP_OUT_AC_BK,
521 	MT_EP_OUT_AC_VI,
522 	MT_EP_OUT_AC_VO,
523 	MT_EP_OUT_HCCA,
524 	__MT_EP_OUT_MAX,
525 };
526 
527 struct mt76_mcu {
528 	struct mutex mutex;
529 	u32 msg_seq;
530 	int timeout;
531 
532 	struct sk_buff_head res_q;
533 	wait_queue_head_t wait;
534 };
535 
536 #define MT_TX_SG_MAX_SIZE	8
537 #define MT_RX_SG_MAX_SIZE	4
538 #define MT_NUM_TX_ENTRIES	256
539 #define MT_NUM_RX_ENTRIES	128
540 #define MCU_RESP_URB_SIZE	1024
541 struct mt76_usb {
542 	struct mutex usb_ctrl_mtx;
543 	u8 *data;
544 	u16 data_len;
545 
546 	struct mt76_worker status_worker;
547 	struct mt76_worker rx_worker;
548 
549 	struct work_struct stat_work;
550 
551 	u8 out_ep[__MT_EP_OUT_MAX];
552 	u8 in_ep[__MT_EP_IN_MAX];
553 	bool sg_en;
554 
555 	struct mt76u_mcu {
556 		u8 *data;
557 		/* multiple reads */
558 		struct mt76_reg_pair *rp;
559 		int rp_len;
560 		u32 base;
561 	} mcu;
562 };
563 
564 #define MT76S_XMIT_BUF_SZ	0x3fe00
565 #define MT76S_NUM_TX_ENTRIES	256
566 #define MT76S_NUM_RX_ENTRIES	512
567 struct mt76_sdio {
568 	struct mt76_worker txrx_worker;
569 	struct mt76_worker status_worker;
570 	struct mt76_worker net_worker;
571 
572 	struct work_struct stat_work;
573 
574 	u8 *xmit_buf;
575 	u32 xmit_buf_sz;
576 
577 	struct sdio_func *func;
578 	void *intr_data;
579 	u8 hw_ver;
580 	wait_queue_head_t wait;
581 
582 	struct {
583 		int pse_data_quota;
584 		int ple_data_quota;
585 		int pse_mcu_quota;
586 		int pse_page_size;
587 		int deficit;
588 	} sched;
589 
590 	int (*parse_irq)(struct mt76_dev *dev, struct mt76s_intr *intr);
591 };
592 
593 struct mt76_mmio {
594 	void __iomem *regs;
595 	spinlock_t irq_lock;
596 	u32 irqmask;
597 
598 	struct mtk_wed_device wed;
599 	struct completion wed_reset;
600 	struct completion wed_reset_complete;
601 };
602 
603 struct mt76_rx_status {
604 	union {
605 		struct mt76_wcid *wcid;
606 		u16 wcid_idx;
607 	};
608 
609 	u32 reorder_time;
610 
611 	u32 ampdu_ref;
612 	u32 timestamp;
613 
614 	u8 iv[6];
615 
616 	u8 phy_idx:2;
617 	u8 aggr:1;
618 	u8 qos_ctl;
619 	u16 seqno;
620 
621 	u16 freq;
622 	u32 flag;
623 	u8 enc_flags;
624 	u8 encoding:3, bw:4;
625 	union {
626 		struct {
627 			u8 he_ru:3;
628 			u8 he_gi:2;
629 			u8 he_dcm:1;
630 		};
631 		struct {
632 			u8 ru:4;
633 			u8 gi:2;
634 		} eht;
635 	};
636 
637 	u8 amsdu:1, first_amsdu:1, last_amsdu:1;
638 	u8 rate_idx;
639 	u8 nss:5, band:3;
640 	s8 signal;
641 	u8 chains;
642 	s8 chain_signal[IEEE80211_MAX_CHAINS];
643 };
644 
645 struct mt76_freq_range_power {
646 	const struct cfg80211_sar_freq_ranges *range;
647 	s8 power;
648 };
649 
650 struct mt76_testmode_ops {
651 	int (*set_state)(struct mt76_phy *phy, enum mt76_testmode_state state);
652 	int (*set_params)(struct mt76_phy *phy, struct nlattr **tb,
653 			  enum mt76_testmode_state new_state);
654 	int (*dump_stats)(struct mt76_phy *phy, struct sk_buff *msg);
655 };
656 
657 struct mt76_testmode_data {
658 	enum mt76_testmode_state state;
659 
660 	u32 param_set[DIV_ROUND_UP(NUM_MT76_TM_ATTRS, 32)];
661 	struct sk_buff *tx_skb;
662 
663 	u32 tx_count;
664 	u16 tx_mpdu_len;
665 
666 	u8 tx_rate_mode;
667 	u8 tx_rate_idx;
668 	u8 tx_rate_nss;
669 	u8 tx_rate_sgi;
670 	u8 tx_rate_ldpc;
671 	u8 tx_rate_stbc;
672 	u8 tx_ltf;
673 
674 	u8 tx_antenna_mask;
675 	u8 tx_spe_idx;
676 
677 	u8 tx_duty_cycle;
678 	u32 tx_time;
679 	u32 tx_ipg;
680 
681 	u32 freq_offset;
682 
683 	u8 tx_power[4];
684 	u8 tx_power_control;
685 
686 	u8 addr[3][ETH_ALEN];
687 
688 	u32 tx_pending;
689 	u32 tx_queued;
690 	u16 tx_queued_limit;
691 	u32 tx_done;
692 	struct {
693 		u64 packets[__MT_RXQ_MAX];
694 		u64 fcs_error[__MT_RXQ_MAX];
695 	} rx_stats;
696 };
697 
698 struct mt76_vif {
699 	u8 idx;
700 	u8 omac_idx;
701 	u8 band_idx;
702 	u8 wmm_idx;
703 	u8 scan_seq_num;
704 	u8 cipher;
705 };
706 
707 struct mt76_phy {
708 	struct ieee80211_hw *hw;
709 	struct mt76_dev *dev;
710 	void *priv;
711 
712 	unsigned long state;
713 	u8 band_idx;
714 
715 	struct mt76_queue *q_tx[__MT_TXQ_MAX];
716 
717 	struct cfg80211_chan_def chandef;
718 	struct ieee80211_channel *main_chan;
719 
720 	struct mt76_channel_state *chan_state;
721 	enum mt76_dfs_state dfs_state;
722 	ktime_t survey_time;
723 
724 	u32 aggr_stats[32];
725 
726 	struct mt76_hw_cap cap;
727 	struct mt76_sband sband_2g;
728 	struct mt76_sband sband_5g;
729 	struct mt76_sband sband_6g;
730 
731 	u8 macaddr[ETH_ALEN];
732 
733 	int txpower_cur;
734 	u8 antenna_mask;
735 	u16 chainmask;
736 
737 #ifdef CONFIG_NL80211_TESTMODE
738 	struct mt76_testmode_data test;
739 #endif
740 
741 	struct delayed_work mac_work;
742 	u8 mac_work_count;
743 
744 	struct {
745 		struct sk_buff *head;
746 		struct sk_buff **tail;
747 		u16 seqno;
748 	} rx_amsdu[__MT_RXQ_MAX];
749 
750 	struct mt76_freq_range_power *frp;
751 
752 	struct {
753 		struct led_classdev cdev;
754 		char name[32];
755 		bool al;
756 		u8 pin;
757 	} leds;
758 };
759 
760 struct mt76_dev {
761 	struct mt76_phy phy; /* must be first */
762 	struct mt76_phy *phys[__MT_MAX_BAND];
763 
764 	struct ieee80211_hw *hw;
765 
766 	spinlock_t wed_lock;
767 	spinlock_t lock;
768 	spinlock_t cc_lock;
769 
770 	u32 cur_cc_bss_rx;
771 
772 	struct mt76_rx_status rx_ampdu_status;
773 	u32 rx_ampdu_len;
774 	u32 rx_ampdu_ref;
775 
776 	struct mutex mutex;
777 
778 	const struct mt76_bus_ops *bus;
779 	const struct mt76_driver_ops *drv;
780 	const struct mt76_mcu_ops *mcu_ops;
781 	struct device *dev;
782 	struct device *dma_dev;
783 
784 	struct mt76_mcu mcu;
785 
786 	struct net_device napi_dev;
787 	struct net_device tx_napi_dev;
788 	spinlock_t rx_lock;
789 	struct napi_struct napi[__MT_RXQ_MAX];
790 	struct sk_buff_head rx_skb[__MT_RXQ_MAX];
791 	struct tasklet_struct irq_tasklet;
792 
793 	struct list_head txwi_cache;
794 	struct list_head rxwi_cache;
795 	struct mt76_queue *q_mcu[__MT_MCUQ_MAX];
796 	struct mt76_queue q_rx[__MT_RXQ_MAX];
797 	const struct mt76_queue_ops *queue_ops;
798 	int tx_dma_idx[4];
799 
800 	struct mt76_worker tx_worker;
801 	struct napi_struct tx_napi;
802 
803 	spinlock_t token_lock;
804 	struct idr token;
805 	u16 wed_token_count;
806 	u16 token_count;
807 	u16 token_size;
808 
809 	spinlock_t rx_token_lock;
810 	struct idr rx_token;
811 	u16 rx_token_size;
812 
813 	wait_queue_head_t tx_wait;
814 	/* spinclock used to protect wcid pktid linked list */
815 	spinlock_t status_lock;
816 
817 	u32 wcid_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
818 	u32 wcid_phy_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
819 
820 	u64 vif_mask;
821 
822 	struct mt76_wcid global_wcid;
823 	struct mt76_wcid __rcu *wcid[MT76_N_WCIDS];
824 	struct list_head wcid_list;
825 
826 	u32 rev;
827 
828 	struct tasklet_struct pre_tbtt_tasklet;
829 	int beacon_int;
830 	u8 beacon_mask;
831 
832 	struct debugfs_blob_wrapper eeprom;
833 	struct debugfs_blob_wrapper otp;
834 
835 	char alpha2[3];
836 	enum nl80211_dfs_regions region;
837 
838 	u32 debugfs_reg;
839 
840 	u8 csa_complete;
841 
842 	u32 rxfilter;
843 
844 #ifdef CONFIG_NL80211_TESTMODE
845 	const struct mt76_testmode_ops *test_ops;
846 	struct {
847 		const char *name;
848 		u32 offset;
849 	} test_mtd;
850 #endif
851 	struct workqueue_struct *wq;
852 
853 	union {
854 		struct mt76_mmio mmio;
855 		struct mt76_usb usb;
856 		struct mt76_sdio sdio;
857 	};
858 };
859 
860 struct mt76_power_limits {
861 	s8 cck[4];
862 	s8 ofdm[8];
863 	s8 mcs[4][10];
864 	s8 ru[7][12];
865 };
866 
867 struct mt76_ethtool_worker_info {
868 	u64 *data;
869 	int idx;
870 	int initial_stat_idx;
871 	int worker_stat_count;
872 	int sta_count;
873 };
874 
875 #define CCK_RATE(_idx, _rate) {					\
876 	.bitrate = _rate,					\
877 	.flags = IEEE80211_RATE_SHORT_PREAMBLE,			\
878 	.hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx),		\
879 	.hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + _idx),	\
880 }
881 
882 #define OFDM_RATE(_idx, _rate) {				\
883 	.bitrate = _rate,					\
884 	.hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx),		\
885 	.hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx),	\
886 }
887 
888 extern struct ieee80211_rate mt76_rates[12];
889 
890 #define __mt76_rr(dev, ...)	(dev)->bus->rr((dev), __VA_ARGS__)
891 #define __mt76_wr(dev, ...)	(dev)->bus->wr((dev), __VA_ARGS__)
892 #define __mt76_rmw(dev, ...)	(dev)->bus->rmw((dev), __VA_ARGS__)
893 #define __mt76_wr_copy(dev, ...)	(dev)->bus->write_copy((dev), __VA_ARGS__)
894 #define __mt76_rr_copy(dev, ...)	(dev)->bus->read_copy((dev), __VA_ARGS__)
895 
896 #define __mt76_set(dev, offset, val)	__mt76_rmw(dev, offset, 0, val)
897 #define __mt76_clear(dev, offset, val)	__mt76_rmw(dev, offset, val, 0)
898 
899 #define mt76_rr(dev, ...)	(dev)->mt76.bus->rr(&((dev)->mt76), __VA_ARGS__)
900 #define mt76_wr(dev, ...)	(dev)->mt76.bus->wr(&((dev)->mt76), __VA_ARGS__)
901 #define mt76_rmw(dev, ...)	(dev)->mt76.bus->rmw(&((dev)->mt76), __VA_ARGS__)
902 #define mt76_wr_copy(dev, ...)	(dev)->mt76.bus->write_copy(&((dev)->mt76), __VA_ARGS__)
903 #define mt76_rr_copy(dev, ...)	(dev)->mt76.bus->read_copy(&((dev)->mt76), __VA_ARGS__)
904 #define mt76_wr_rp(dev, ...)	(dev)->mt76.bus->wr_rp(&((dev)->mt76), __VA_ARGS__)
905 #define mt76_rd_rp(dev, ...)	(dev)->mt76.bus->rd_rp(&((dev)->mt76), __VA_ARGS__)
906 
907 
908 #define mt76_mcu_restart(dev, ...)	(dev)->mt76.mcu_ops->mcu_restart(&((dev)->mt76))
909 
910 #define mt76_set(dev, offset, val)	mt76_rmw(dev, offset, 0, val)
911 #define mt76_clear(dev, offset, val)	mt76_rmw(dev, offset, val, 0)
912 
913 #define mt76_get_field(_dev, _reg, _field)		\
914 	FIELD_GET(_field, mt76_rr(dev, _reg))
915 
916 #define mt76_rmw_field(_dev, _reg, _field, _val)	\
917 	mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))
918 
919 #define __mt76_rmw_field(_dev, _reg, _field, _val)	\
920 	__mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))
921 
922 #define mt76_hw(dev) (dev)->mphy.hw
923 
924 bool __mt76_poll(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
925 		 int timeout);
926 
927 #define mt76_poll(dev, ...) __mt76_poll(&((dev)->mt76), __VA_ARGS__)
928 
929 bool ____mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
930 			int timeout, int kick);
931 #define __mt76_poll_msec(...)         ____mt76_poll_msec(__VA_ARGS__, 10)
932 #define mt76_poll_msec(dev, ...)      ____mt76_poll_msec(&((dev)->mt76), __VA_ARGS__, 10)
933 #define mt76_poll_msec_tick(dev, ...) ____mt76_poll_msec(&((dev)->mt76), __VA_ARGS__)
934 
935 void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs);
936 void mt76_pci_disable_aspm(struct pci_dev *pdev);
937 
938 static inline u16 mt76_chip(struct mt76_dev *dev)
939 {
940 	return dev->rev >> 16;
941 }
942 
943 static inline u16 mt76_rev(struct mt76_dev *dev)
944 {
945 	return dev->rev & 0xffff;
946 }
947 
948 #define mt76xx_chip(dev) mt76_chip(&((dev)->mt76))
949 #define mt76xx_rev(dev) mt76_rev(&((dev)->mt76))
950 
951 #define mt76_init_queues(dev, ...)		(dev)->mt76.queue_ops->init(&((dev)->mt76), __VA_ARGS__)
952 #define mt76_queue_alloc(dev, ...)	(dev)->mt76.queue_ops->alloc(&((dev)->mt76), __VA_ARGS__)
953 #define mt76_tx_queue_skb_raw(dev, ...)	(dev)->mt76.queue_ops->tx_queue_skb_raw(&((dev)->mt76), __VA_ARGS__)
954 #define mt76_tx_queue_skb(dev, ...)	(dev)->mt76.queue_ops->tx_queue_skb(&((dev)->mt76), __VA_ARGS__)
955 #define mt76_queue_rx_reset(dev, ...)	(dev)->mt76.queue_ops->rx_reset(&((dev)->mt76), __VA_ARGS__)
956 #define mt76_queue_tx_cleanup(dev, ...)	(dev)->mt76.queue_ops->tx_cleanup(&((dev)->mt76), __VA_ARGS__)
957 #define mt76_queue_rx_cleanup(dev, ...)	(dev)->mt76.queue_ops->rx_cleanup(&((dev)->mt76), __VA_ARGS__)
958 #define mt76_queue_kick(dev, ...)	(dev)->mt76.queue_ops->kick(&((dev)->mt76), __VA_ARGS__)
959 #define mt76_queue_reset(dev, ...)	(dev)->mt76.queue_ops->reset_q(&((dev)->mt76), __VA_ARGS__)
960 
961 #define mt76_for_each_q_rx(dev, i)	\
962 	for (i = 0; i < ARRAY_SIZE((dev)->q_rx); i++)	\
963 		if ((dev)->q_rx[i].ndesc)
964 
965 struct mt76_dev *mt76_alloc_device(struct device *pdev, unsigned int size,
966 				   const struct ieee80211_ops *ops,
967 				   const struct mt76_driver_ops *drv_ops);
968 int mt76_register_device(struct mt76_dev *dev, bool vht,
969 			 struct ieee80211_rate *rates, int n_rates);
970 void mt76_unregister_device(struct mt76_dev *dev);
971 void mt76_free_device(struct mt76_dev *dev);
972 void mt76_unregister_phy(struct mt76_phy *phy);
973 
974 struct mt76_phy *mt76_alloc_phy(struct mt76_dev *dev, unsigned int size,
975 				const struct ieee80211_ops *ops,
976 				u8 band_idx);
977 int mt76_register_phy(struct mt76_phy *phy, bool vht,
978 		      struct ieee80211_rate *rates, int n_rates);
979 
980 struct dentry *mt76_register_debugfs_fops(struct mt76_phy *phy,
981 					  const struct file_operations *ops);
982 static inline struct dentry *mt76_register_debugfs(struct mt76_dev *dev)
983 {
984 	return mt76_register_debugfs_fops(&dev->phy, NULL);
985 }
986 
987 int mt76_queues_read(struct seq_file *s, void *data);
988 void mt76_seq_puts_array(struct seq_file *file, const char *str,
989 			 s8 *val, int len);
990 
991 int mt76_eeprom_init(struct mt76_dev *dev, int len);
992 void mt76_eeprom_override(struct mt76_phy *phy);
993 int mt76_get_of_eeprom(struct mt76_dev *dev, void *data, int offset, int len);
994 
995 struct mt76_queue *
996 mt76_init_queue(struct mt76_dev *dev, int qid, int idx, int n_desc,
997 		int ring_base, u32 flags);
998 u16 mt76_calculate_default_rate(struct mt76_phy *phy, int rateidx);
999 static inline int mt76_init_tx_queue(struct mt76_phy *phy, int qid, int idx,
1000 				     int n_desc, int ring_base, u32 flags)
1001 {
1002 	struct mt76_queue *q;
1003 
1004 	q = mt76_init_queue(phy->dev, qid, idx, n_desc, ring_base, flags);
1005 	if (IS_ERR(q))
1006 		return PTR_ERR(q);
1007 
1008 	phy->q_tx[qid] = q;
1009 
1010 	return 0;
1011 }
1012 
1013 static inline int mt76_init_mcu_queue(struct mt76_dev *dev, int qid, int idx,
1014 				      int n_desc, int ring_base)
1015 {
1016 	struct mt76_queue *q;
1017 
1018 	q = mt76_init_queue(dev, qid, idx, n_desc, ring_base, 0);
1019 	if (IS_ERR(q))
1020 		return PTR_ERR(q);
1021 
1022 	dev->q_mcu[qid] = q;
1023 
1024 	return 0;
1025 }
1026 
1027 static inline struct mt76_phy *
1028 mt76_dev_phy(struct mt76_dev *dev, u8 phy_idx)
1029 {
1030 	if ((phy_idx == MT_BAND1 && dev->phys[phy_idx]) ||
1031 	    (phy_idx == MT_BAND2 && dev->phys[phy_idx]))
1032 		return dev->phys[phy_idx];
1033 
1034 	return &dev->phy;
1035 }
1036 
1037 static inline struct ieee80211_hw *
1038 mt76_phy_hw(struct mt76_dev *dev, u8 phy_idx)
1039 {
1040 	return mt76_dev_phy(dev, phy_idx)->hw;
1041 }
1042 
1043 static inline u8 *
1044 mt76_get_txwi_ptr(struct mt76_dev *dev, struct mt76_txwi_cache *t)
1045 {
1046 	return (u8 *)t - dev->drv->txwi_size;
1047 }
1048 
1049 /* increment with wrap-around */
1050 static inline int mt76_incr(int val, int size)
1051 {
1052 	return (val + 1) & (size - 1);
1053 }
1054 
1055 /* decrement with wrap-around */
1056 static inline int mt76_decr(int val, int size)
1057 {
1058 	return (val - 1) & (size - 1);
1059 }
1060 
1061 u8 mt76_ac_to_hwq(u8 ac);
1062 
1063 static inline struct ieee80211_txq *
1064 mtxq_to_txq(struct mt76_txq *mtxq)
1065 {
1066 	void *ptr = mtxq;
1067 
1068 	return container_of(ptr, struct ieee80211_txq, drv_priv);
1069 }
1070 
1071 static inline struct ieee80211_sta *
1072 wcid_to_sta(struct mt76_wcid *wcid)
1073 {
1074 	void *ptr = wcid;
1075 
1076 	if (!wcid || !wcid->sta)
1077 		return NULL;
1078 
1079 	return container_of(ptr, struct ieee80211_sta, drv_priv);
1080 }
1081 
1082 static inline struct mt76_tx_cb *mt76_tx_skb_cb(struct sk_buff *skb)
1083 {
1084 	BUILD_BUG_ON(sizeof(struct mt76_tx_cb) >
1085 		     sizeof(IEEE80211_SKB_CB(skb)->status.status_driver_data));
1086 	return ((void *)IEEE80211_SKB_CB(skb)->status.status_driver_data);
1087 }
1088 
1089 static inline void *mt76_skb_get_hdr(struct sk_buff *skb)
1090 {
1091 	struct mt76_rx_status mstat;
1092 	u8 *data = skb->data;
1093 
1094 	/* Alignment concerns */
1095 	BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he) % 4);
1096 	BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he_mu) % 4);
1097 
1098 	mstat = *((struct mt76_rx_status *)skb->cb);
1099 
1100 	if (mstat.flag & RX_FLAG_RADIOTAP_HE)
1101 		data += sizeof(struct ieee80211_radiotap_he);
1102 	if (mstat.flag & RX_FLAG_RADIOTAP_HE_MU)
1103 		data += sizeof(struct ieee80211_radiotap_he_mu);
1104 
1105 	return data;
1106 }
1107 
1108 static inline void mt76_insert_hdr_pad(struct sk_buff *skb)
1109 {
1110 	int len = ieee80211_get_hdrlen_from_skb(skb);
1111 
1112 	if (len % 4 == 0)
1113 		return;
1114 
1115 	skb_push(skb, 2);
1116 	memmove(skb->data, skb->data + 2, len);
1117 
1118 	skb->data[len] = 0;
1119 	skb->data[len + 1] = 0;
1120 }
1121 
1122 static inline bool mt76_is_skb_pktid(u8 pktid)
1123 {
1124 	if (pktid & MT_PACKET_ID_HAS_RATE)
1125 		return false;
1126 
1127 	return pktid >= MT_PACKET_ID_FIRST;
1128 }
1129 
1130 static inline u8 mt76_tx_power_nss_delta(u8 nss)
1131 {
1132 	static const u8 nss_delta[4] = { 0, 6, 9, 12 };
1133 	u8 idx = nss - 1;
1134 
1135 	return (idx < ARRAY_SIZE(nss_delta)) ? nss_delta[idx] : 0;
1136 }
1137 
1138 static inline bool mt76_testmode_enabled(struct mt76_phy *phy)
1139 {
1140 #ifdef CONFIG_NL80211_TESTMODE
1141 	return phy->test.state != MT76_TM_STATE_OFF;
1142 #else
1143 	return false;
1144 #endif
1145 }
1146 
1147 static inline bool mt76_is_testmode_skb(struct mt76_dev *dev,
1148 					struct sk_buff *skb,
1149 					struct ieee80211_hw **hw)
1150 {
1151 #ifdef CONFIG_NL80211_TESTMODE
1152 	int i;
1153 
1154 	for (i = 0; i < ARRAY_SIZE(dev->phys); i++) {
1155 		struct mt76_phy *phy = dev->phys[i];
1156 
1157 		if (phy && skb == phy->test.tx_skb) {
1158 			*hw = dev->phys[i]->hw;
1159 			return true;
1160 		}
1161 	}
1162 	return false;
1163 #else
1164 	return false;
1165 #endif
1166 }
1167 
1168 void mt76_rx(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb);
1169 void mt76_tx(struct mt76_phy *dev, struct ieee80211_sta *sta,
1170 	     struct mt76_wcid *wcid, struct sk_buff *skb);
1171 void mt76_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *txq);
1172 void mt76_stop_tx_queues(struct mt76_phy *phy, struct ieee80211_sta *sta,
1173 			 bool send_bar);
1174 void mt76_tx_check_agg_ssn(struct ieee80211_sta *sta, struct sk_buff *skb);
1175 void mt76_txq_schedule(struct mt76_phy *phy, enum mt76_txq_id qid);
1176 void mt76_txq_schedule_all(struct mt76_phy *phy);
1177 void mt76_tx_worker_run(struct mt76_dev *dev);
1178 void mt76_tx_worker(struct mt76_worker *w);
1179 void mt76_release_buffered_frames(struct ieee80211_hw *hw,
1180 				  struct ieee80211_sta *sta,
1181 				  u16 tids, int nframes,
1182 				  enum ieee80211_frame_release_type reason,
1183 				  bool more_data);
1184 bool mt76_has_tx_pending(struct mt76_phy *phy);
1185 void mt76_set_channel(struct mt76_phy *phy);
1186 void mt76_update_survey(struct mt76_phy *phy);
1187 void mt76_update_survey_active_time(struct mt76_phy *phy, ktime_t time);
1188 int mt76_get_survey(struct ieee80211_hw *hw, int idx,
1189 		    struct survey_info *survey);
1190 int mt76_rx_signal(u8 chain_mask, s8 *chain_signal);
1191 void mt76_set_stream_caps(struct mt76_phy *phy, bool vht);
1192 
1193 int mt76_rx_aggr_start(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid,
1194 		       u16 ssn, u16 size);
1195 void mt76_rx_aggr_stop(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid);
1196 
1197 void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
1198 			 struct ieee80211_key_conf *key);
1199 
1200 void mt76_tx_status_lock(struct mt76_dev *dev, struct sk_buff_head *list)
1201 			 __acquires(&dev->status_lock);
1202 void mt76_tx_status_unlock(struct mt76_dev *dev, struct sk_buff_head *list)
1203 			   __releases(&dev->status_lock);
1204 
1205 int mt76_tx_status_skb_add(struct mt76_dev *dev, struct mt76_wcid *wcid,
1206 			   struct sk_buff *skb);
1207 struct sk_buff *mt76_tx_status_skb_get(struct mt76_dev *dev,
1208 				       struct mt76_wcid *wcid, int pktid,
1209 				       struct sk_buff_head *list);
1210 void mt76_tx_status_skb_done(struct mt76_dev *dev, struct sk_buff *skb,
1211 			     struct sk_buff_head *list);
1212 void __mt76_tx_complete_skb(struct mt76_dev *dev, u16 wcid, struct sk_buff *skb,
1213 			    struct list_head *free_list);
1214 static inline void
1215 mt76_tx_complete_skb(struct mt76_dev *dev, u16 wcid, struct sk_buff *skb)
1216 {
1217     __mt76_tx_complete_skb(dev, wcid, skb, NULL);
1218 }
1219 
1220 void mt76_tx_status_check(struct mt76_dev *dev, bool flush);
1221 int mt76_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1222 		   struct ieee80211_sta *sta,
1223 		   enum ieee80211_sta_state old_state,
1224 		   enum ieee80211_sta_state new_state);
1225 void __mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif,
1226 		       struct ieee80211_sta *sta);
1227 void mt76_sta_pre_rcu_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1228 			     struct ieee80211_sta *sta);
1229 
1230 int mt76_get_min_avg_rssi(struct mt76_dev *dev, bool ext_phy);
1231 
1232 int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1233 		     int *dbm);
1234 int mt76_init_sar_power(struct ieee80211_hw *hw,
1235 			const struct cfg80211_sar_specs *sar);
1236 int mt76_get_sar_power(struct mt76_phy *phy,
1237 		       struct ieee80211_channel *chan,
1238 		       int power);
1239 
1240 void mt76_csa_check(struct mt76_dev *dev);
1241 void mt76_csa_finish(struct mt76_dev *dev);
1242 
1243 int mt76_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
1244 int mt76_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set);
1245 void mt76_insert_ccmp_hdr(struct sk_buff *skb, u8 key_id);
1246 int mt76_get_rate(struct mt76_dev *dev,
1247 		  struct ieee80211_supported_band *sband,
1248 		  int idx, bool cck);
1249 void mt76_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1250 		  const u8 *mac);
1251 void mt76_sw_scan_complete(struct ieee80211_hw *hw,
1252 			   struct ieee80211_vif *vif);
1253 enum mt76_dfs_state mt76_phy_dfs_state(struct mt76_phy *phy);
1254 int mt76_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1255 		      void *data, int len);
1256 int mt76_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
1257 		       struct netlink_callback *cb, void *data, int len);
1258 int mt76_testmode_set_state(struct mt76_phy *phy, enum mt76_testmode_state state);
1259 int mt76_testmode_alloc_skb(struct mt76_phy *phy, u32 len);
1260 
1261 static inline void mt76_testmode_reset(struct mt76_phy *phy, bool disable)
1262 {
1263 #ifdef CONFIG_NL80211_TESTMODE
1264 	enum mt76_testmode_state state = MT76_TM_STATE_IDLE;
1265 
1266 	if (disable || phy->test.state == MT76_TM_STATE_OFF)
1267 		state = MT76_TM_STATE_OFF;
1268 
1269 	mt76_testmode_set_state(phy, state);
1270 #endif
1271 }
1272 
1273 
1274 /* internal */
1275 static inline struct ieee80211_hw *
1276 mt76_tx_status_get_hw(struct mt76_dev *dev, struct sk_buff *skb)
1277 {
1278 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1279 	u8 phy_idx = (info->hw_queue & MT_TX_HW_QUEUE_PHY) >> 2;
1280 	struct ieee80211_hw *hw = mt76_phy_hw(dev, phy_idx);
1281 
1282 	info->hw_queue &= ~MT_TX_HW_QUEUE_PHY;
1283 
1284 	return hw;
1285 }
1286 
1287 void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
1288 void mt76_put_rxwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
1289 struct mt76_txwi_cache *mt76_get_rxwi(struct mt76_dev *dev);
1290 void mt76_free_pending_rxwi(struct mt76_dev *dev);
1291 void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
1292 		      struct napi_struct *napi);
1293 void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q,
1294 			   struct napi_struct *napi);
1295 void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames);
1296 void mt76_testmode_tx_pending(struct mt76_phy *phy);
1297 void mt76_queue_tx_complete(struct mt76_dev *dev, struct mt76_queue *q,
1298 			    struct mt76_queue_entry *e);
1299 
1300 /* usb */
1301 static inline bool mt76u_urb_error(struct urb *urb)
1302 {
1303 	return urb->status &&
1304 	       urb->status != -ECONNRESET &&
1305 	       urb->status != -ESHUTDOWN &&
1306 	       urb->status != -ENOENT;
1307 }
1308 
1309 /* Map hardware queues to usb endpoints */
1310 static inline u8 q2ep(u8 qid)
1311 {
1312 	/* TODO: take management packets to queue 5 */
1313 	return qid + 1;
1314 }
1315 
1316 static inline int
1317 mt76u_bulk_msg(struct mt76_dev *dev, void *data, int len, int *actual_len,
1318 	       int timeout, int ep)
1319 {
1320 	struct usb_interface *uintf = to_usb_interface(dev->dev);
1321 	struct usb_device *udev = interface_to_usbdev(uintf);
1322 	struct mt76_usb *usb = &dev->usb;
1323 	unsigned int pipe;
1324 
1325 	if (actual_len)
1326 		pipe = usb_rcvbulkpipe(udev, usb->in_ep[ep]);
1327 	else
1328 		pipe = usb_sndbulkpipe(udev, usb->out_ep[ep]);
1329 
1330 	return usb_bulk_msg(udev, pipe, data, len, actual_len, timeout);
1331 }
1332 
1333 void mt76_ethtool_page_pool_stats(struct mt76_dev *dev, u64 *data, int *index);
1334 void mt76_ethtool_worker(struct mt76_ethtool_worker_info *wi,
1335 			 struct mt76_sta_stats *stats, bool eht);
1336 int mt76_skb_adjust_pad(struct sk_buff *skb, int pad);
1337 int __mt76u_vendor_request(struct mt76_dev *dev, u8 req, u8 req_type,
1338 			   u16 val, u16 offset, void *buf, size_t len);
1339 int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
1340 			 u8 req_type, u16 val, u16 offset,
1341 			 void *buf, size_t len);
1342 void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
1343 		     const u16 offset, const u32 val);
1344 void mt76u_read_copy(struct mt76_dev *dev, u32 offset,
1345 		     void *data, int len);
1346 u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type, u32 addr);
1347 void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type,
1348 		 u32 addr, u32 val);
1349 int __mt76u_init(struct mt76_dev *dev, struct usb_interface *intf,
1350 		 struct mt76_bus_ops *ops);
1351 int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf);
1352 int mt76u_alloc_mcu_queue(struct mt76_dev *dev);
1353 int mt76u_alloc_queues(struct mt76_dev *dev);
1354 void mt76u_stop_tx(struct mt76_dev *dev);
1355 void mt76u_stop_rx(struct mt76_dev *dev);
1356 int mt76u_resume_rx(struct mt76_dev *dev);
1357 void mt76u_queues_deinit(struct mt76_dev *dev);
1358 
1359 int mt76s_init(struct mt76_dev *dev, struct sdio_func *func,
1360 	       const struct mt76_bus_ops *bus_ops);
1361 int mt76s_alloc_rx_queue(struct mt76_dev *dev, enum mt76_rxq_id qid);
1362 int mt76s_alloc_tx(struct mt76_dev *dev);
1363 void mt76s_deinit(struct mt76_dev *dev);
1364 void mt76s_sdio_irq(struct sdio_func *func);
1365 void mt76s_txrx_worker(struct mt76_sdio *sdio);
1366 bool mt76s_txqs_empty(struct mt76_dev *dev);
1367 int mt76s_hw_init(struct mt76_dev *dev, struct sdio_func *func,
1368 		  int hw_ver);
1369 u32 mt76s_rr(struct mt76_dev *dev, u32 offset);
1370 void mt76s_wr(struct mt76_dev *dev, u32 offset, u32 val);
1371 u32 mt76s_rmw(struct mt76_dev *dev, u32 offset, u32 mask, u32 val);
1372 u32 mt76s_read_pcr(struct mt76_dev *dev);
1373 void mt76s_write_copy(struct mt76_dev *dev, u32 offset,
1374 		      const void *data, int len);
1375 void mt76s_read_copy(struct mt76_dev *dev, u32 offset,
1376 		     void *data, int len);
1377 int mt76s_wr_rp(struct mt76_dev *dev, u32 base,
1378 		const struct mt76_reg_pair *data,
1379 		int len);
1380 int mt76s_rd_rp(struct mt76_dev *dev, u32 base,
1381 		struct mt76_reg_pair *data, int len);
1382 
1383 struct sk_buff *
1384 __mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
1385 		     int len, int data_len, gfp_t gfp);
1386 static inline struct sk_buff *
1387 mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
1388 		   int data_len)
1389 {
1390 	return __mt76_mcu_msg_alloc(dev, data, data_len, data_len, GFP_KERNEL);
1391 }
1392 
1393 void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb);
1394 struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
1395 				      unsigned long expires);
1396 int mt76_mcu_send_and_get_msg(struct mt76_dev *dev, int cmd, const void *data,
1397 			      int len, bool wait_resp, struct sk_buff **ret);
1398 int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb,
1399 				  int cmd, bool wait_resp, struct sk_buff **ret);
1400 int __mt76_mcu_send_firmware(struct mt76_dev *dev, int cmd, const void *data,
1401 			     int len, int max_len);
1402 static inline int
1403 mt76_mcu_send_firmware(struct mt76_dev *dev, int cmd, const void *data,
1404 		       int len)
1405 {
1406 	int max_len = 4096 - dev->mcu_ops->headroom;
1407 
1408 	return __mt76_mcu_send_firmware(dev, cmd, data, len, max_len);
1409 }
1410 
1411 static inline int
1412 mt76_mcu_send_msg(struct mt76_dev *dev, int cmd, const void *data, int len,
1413 		  bool wait_resp)
1414 {
1415 	return mt76_mcu_send_and_get_msg(dev, cmd, data, len, wait_resp, NULL);
1416 }
1417 
1418 static inline int
1419 mt76_mcu_skb_send_msg(struct mt76_dev *dev, struct sk_buff *skb, int cmd,
1420 		      bool wait_resp)
1421 {
1422 	return mt76_mcu_skb_send_and_get_msg(dev, skb, cmd, wait_resp, NULL);
1423 }
1424 
1425 void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr, u32 clear, u32 set);
1426 
1427 s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
1428 			      struct ieee80211_channel *chan,
1429 			      struct mt76_power_limits *dest,
1430 			      s8 target_power);
1431 
1432 static inline bool mt76_queue_is_wed_rx(struct mt76_queue *q)
1433 {
1434 	return (q->flags & MT_QFLAG_WED) &&
1435 	       FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_RX;
1436 }
1437 
1438 struct mt76_txwi_cache *
1439 mt76_token_release(struct mt76_dev *dev, int token, bool *wake);
1440 int mt76_token_consume(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi);
1441 void __mt76_set_tx_blocked(struct mt76_dev *dev, bool blocked);
1442 struct mt76_txwi_cache *mt76_rx_token_release(struct mt76_dev *dev, int token);
1443 int mt76_rx_token_consume(struct mt76_dev *dev, void *ptr,
1444 			  struct mt76_txwi_cache *r, dma_addr_t phys);
1445 int mt76_create_page_pool(struct mt76_dev *dev, struct mt76_queue *q);
1446 static inline void mt76_put_page_pool_buf(void *buf, bool allow_direct)
1447 {
1448 	struct page *page = virt_to_head_page(buf);
1449 
1450 	page_pool_put_full_page(page->pp, page, allow_direct);
1451 }
1452 
1453 static inline void *
1454 mt76_get_page_pool_buf(struct mt76_queue *q, u32 *offset, u32 size)
1455 {
1456 	struct page *page;
1457 
1458 	page = page_pool_dev_alloc_frag(q->page_pool, offset, size);
1459 	if (!page)
1460 		return NULL;
1461 
1462 	return page_address(page) + *offset;
1463 }
1464 
1465 static inline void mt76_set_tx_blocked(struct mt76_dev *dev, bool blocked)
1466 {
1467 	spin_lock_bh(&dev->token_lock);
1468 	__mt76_set_tx_blocked(dev, blocked);
1469 	spin_unlock_bh(&dev->token_lock);
1470 }
1471 
1472 static inline int
1473 mt76_token_get(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi)
1474 {
1475 	int token;
1476 
1477 	spin_lock_bh(&dev->token_lock);
1478 	token = idr_alloc(&dev->token, *ptxwi, 0, dev->token_size, GFP_ATOMIC);
1479 	spin_unlock_bh(&dev->token_lock);
1480 
1481 	return token;
1482 }
1483 
1484 static inline struct mt76_txwi_cache *
1485 mt76_token_put(struct mt76_dev *dev, int token)
1486 {
1487 	struct mt76_txwi_cache *txwi;
1488 
1489 	spin_lock_bh(&dev->token_lock);
1490 	txwi = idr_remove(&dev->token, token);
1491 	spin_unlock_bh(&dev->token_lock);
1492 
1493 	return txwi;
1494 }
1495 
1496 static inline void mt76_packet_id_init(struct mt76_wcid *wcid)
1497 {
1498 	INIT_LIST_HEAD(&wcid->list);
1499 	idr_init(&wcid->pktid);
1500 }
1501 
1502 static inline void
1503 mt76_packet_id_flush(struct mt76_dev *dev, struct mt76_wcid *wcid)
1504 {
1505 	struct sk_buff_head list;
1506 
1507 	mt76_tx_status_lock(dev, &list);
1508 	mt76_tx_status_skb_get(dev, wcid, -1, &list);
1509 	mt76_tx_status_unlock(dev, &list);
1510 
1511 	idr_destroy(&wcid->pktid);
1512 }
1513 
1514 #endif
1515