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_TXFREE __MT_WED_Q(MT76_WED_Q_TXFREE, 0)
39
40 struct mt76_dev;
41 struct mt76_phy;
42 struct mt76_wcid;
43 struct mt76s_intr;
44
45 struct mt76_reg_pair {
46 u32 reg;
47 u32 value;
48 };
49
50 enum mt76_bus_type {
51 MT76_BUS_MMIO,
52 MT76_BUS_USB,
53 MT76_BUS_SDIO,
54 };
55
56 enum mt76_wed_type {
57 MT76_WED_Q_TX,
58 MT76_WED_Q_TXFREE,
59 };
60
61 struct mt76_bus_ops {
62 u32 (*rr)(struct mt76_dev *dev, u32 offset);
63 void (*wr)(struct mt76_dev *dev, u32 offset, u32 val);
64 u32 (*rmw)(struct mt76_dev *dev, u32 offset, u32 mask, u32 val);
65 void (*write_copy)(struct mt76_dev *dev, u32 offset, const void *data,
66 int len);
67 void (*read_copy)(struct mt76_dev *dev, u32 offset, void *data,
68 int len);
69 int (*wr_rp)(struct mt76_dev *dev, u32 base,
70 const struct mt76_reg_pair *rp, int len);
71 int (*rd_rp)(struct mt76_dev *dev, u32 base,
72 struct mt76_reg_pair *rp, int len);
73 enum mt76_bus_type type;
74 };
75
76 #define mt76_is_usb(dev) ((dev)->bus->type == MT76_BUS_USB)
77 #define mt76_is_mmio(dev) ((dev)->bus->type == MT76_BUS_MMIO)
78 #define mt76_is_sdio(dev) ((dev)->bus->type == MT76_BUS_SDIO)
79
80 enum mt76_txq_id {
81 MT_TXQ_VO = IEEE80211_AC_VO,
82 MT_TXQ_VI = IEEE80211_AC_VI,
83 MT_TXQ_BE = IEEE80211_AC_BE,
84 MT_TXQ_BK = IEEE80211_AC_BK,
85 MT_TXQ_PSD,
86 MT_TXQ_BEACON,
87 MT_TXQ_CAB,
88 __MT_TXQ_MAX
89 };
90
91 enum mt76_mcuq_id {
92 MT_MCUQ_WM,
93 MT_MCUQ_WA,
94 MT_MCUQ_FWDL,
95 __MT_MCUQ_MAX
96 };
97
98 enum mt76_rxq_id {
99 MT_RXQ_MAIN,
100 MT_RXQ_MCU,
101 MT_RXQ_MCU_WA,
102 MT_RXQ_BAND1,
103 MT_RXQ_BAND1_WA,
104 MT_RXQ_MAIN_WA,
105 MT_RXQ_BAND2,
106 MT_RXQ_BAND2_WA,
107 __MT_RXQ_MAX
108 };
109
110 enum mt76_band_id {
111 MT_BAND0,
112 MT_BAND1,
113 MT_BAND2,
114 __MT_MAX_BAND
115 };
116
117 enum mt76_cipher_type {
118 MT_CIPHER_NONE,
119 MT_CIPHER_WEP40,
120 MT_CIPHER_TKIP,
121 MT_CIPHER_TKIP_NO_MIC,
122 MT_CIPHER_AES_CCMP,
123 MT_CIPHER_WEP104,
124 MT_CIPHER_BIP_CMAC_128,
125 MT_CIPHER_WEP128,
126 MT_CIPHER_WAPI,
127 MT_CIPHER_CCMP_CCX,
128 MT_CIPHER_CCMP_256,
129 MT_CIPHER_GCMP,
130 MT_CIPHER_GCMP_256,
131 };
132
133 enum mt76_dfs_state {
134 MT_DFS_STATE_UNKNOWN,
135 MT_DFS_STATE_DISABLED,
136 MT_DFS_STATE_CAC,
137 MT_DFS_STATE_ACTIVE,
138 };
139
140 struct mt76_queue_buf {
141 dma_addr_t addr;
142 u16 len;
143 bool skip_unmap;
144 };
145
146 struct mt76_tx_info {
147 struct mt76_queue_buf buf[32];
148 struct sk_buff *skb;
149 int nbuf;
150 u32 info;
151 };
152
153 struct mt76_queue_entry {
154 union {
155 void *buf;
156 struct sk_buff *skb;
157 };
158 union {
159 struct mt76_txwi_cache *txwi;
160 struct urb *urb;
161 int buf_sz;
162 };
163 u32 dma_addr[2];
164 u16 dma_len[2];
165 u16 wcid;
166 bool skip_buf0:1;
167 bool skip_buf1:1;
168 bool done:1;
169 };
170
171 struct mt76_queue_regs {
172 u32 desc_base;
173 u32 ring_size;
174 u32 cpu_idx;
175 u32 dma_idx;
176 } __packed __aligned(4);
177
178 struct mt76_queue {
179 struct mt76_queue_regs __iomem *regs;
180
181 spinlock_t lock;
182 spinlock_t cleanup_lock;
183 struct mt76_queue_entry *entry;
184 struct mt76_desc *desc;
185
186 u16 first;
187 u16 head;
188 u16 tail;
189 int ndesc;
190 int queued;
191 int buf_size;
192 bool stopped;
193 bool blocked;
194
195 u8 buf_offset;
196 u8 hw_idx;
197 u8 flags;
198
199 u32 wed_regs;
200
201 dma_addr_t desc_dma;
202 struct sk_buff *rx_head;
203 struct page_frag_cache rx_page;
204 };
205
206 struct mt76_mcu_ops {
207 u32 headroom;
208 u32 tailroom;
209
210 int (*mcu_send_msg)(struct mt76_dev *dev, int cmd, const void *data,
211 int len, bool wait_resp);
212 int (*mcu_skb_send_msg)(struct mt76_dev *dev, struct sk_buff *skb,
213 int cmd, int *seq);
214 int (*mcu_parse_response)(struct mt76_dev *dev, int cmd,
215 struct sk_buff *skb, int seq);
216 u32 (*mcu_rr)(struct mt76_dev *dev, u32 offset);
217 void (*mcu_wr)(struct mt76_dev *dev, u32 offset, u32 val);
218 int (*mcu_wr_rp)(struct mt76_dev *dev, u32 base,
219 const struct mt76_reg_pair *rp, int len);
220 int (*mcu_rd_rp)(struct mt76_dev *dev, u32 base,
221 struct mt76_reg_pair *rp, int len);
222 int (*mcu_restart)(struct mt76_dev *dev);
223 };
224
225 struct mt76_queue_ops {
226 int (*init)(struct mt76_dev *dev,
227 int (*poll)(struct napi_struct *napi, int budget));
228
229 int (*alloc)(struct mt76_dev *dev, struct mt76_queue *q,
230 int idx, int n_desc, int bufsize,
231 u32 ring_base);
232
233 int (*tx_queue_skb)(struct mt76_dev *dev, struct mt76_queue *q,
234 enum mt76_txq_id qid, struct sk_buff *skb,
235 struct mt76_wcid *wcid, struct ieee80211_sta *sta);
236
237 int (*tx_queue_skb_raw)(struct mt76_dev *dev, struct mt76_queue *q,
238 struct sk_buff *skb, u32 tx_info);
239
240 void *(*dequeue)(struct mt76_dev *dev, struct mt76_queue *q, bool flush,
241 int *len, u32 *info, bool *more);
242
243 void (*rx_reset)(struct mt76_dev *dev, enum mt76_rxq_id qid);
244
245 void (*tx_cleanup)(struct mt76_dev *dev, struct mt76_queue *q,
246 bool flush);
247
248 void (*rx_cleanup)(struct mt76_dev *dev, struct mt76_queue *q);
249
250 void (*kick)(struct mt76_dev *dev, struct mt76_queue *q);
251
252 void (*reset_q)(struct mt76_dev *dev, struct mt76_queue *q);
253 };
254
255 enum mt76_phy_type {
256 MT_PHY_TYPE_CCK,
257 MT_PHY_TYPE_OFDM,
258 MT_PHY_TYPE_HT,
259 MT_PHY_TYPE_HT_GF,
260 MT_PHY_TYPE_VHT,
261 MT_PHY_TYPE_HE_SU = 8,
262 MT_PHY_TYPE_HE_EXT_SU,
263 MT_PHY_TYPE_HE_TB,
264 MT_PHY_TYPE_HE_MU,
265 __MT_PHY_TYPE_HE_MAX,
266 };
267
268 struct mt76_sta_stats {
269 u64 tx_mode[__MT_PHY_TYPE_HE_MAX];
270 u64 tx_bw[4]; /* 20, 40, 80, 160 */
271 u64 tx_nss[4]; /* 1, 2, 3, 4 */
272 u64 tx_mcs[16]; /* mcs idx */
273 u64 tx_bytes;
274 u32 tx_packets;
275 u32 tx_retries;
276 u32 tx_failed;
277 };
278
279 enum mt76_wcid_flags {
280 MT_WCID_FLAG_CHECK_PS,
281 MT_WCID_FLAG_PS,
282 MT_WCID_FLAG_4ADDR,
283 MT_WCID_FLAG_HDR_TRANS,
284 };
285
286 #define MT76_N_WCIDS 544
287
288 /* stored in ieee80211_tx_info::hw_queue */
289 #define MT_TX_HW_QUEUE_PHY GENMASK(3, 2)
290
291 DECLARE_EWMA(signal, 10, 8);
292
293 #define MT_WCID_TX_INFO_RATE GENMASK(15, 0)
294 #define MT_WCID_TX_INFO_NSS GENMASK(17, 16)
295 #define MT_WCID_TX_INFO_TXPWR_ADJ GENMASK(25, 18)
296 #define MT_WCID_TX_INFO_SET BIT(31)
297
298 struct mt76_wcid {
299 struct mt76_rx_tid __rcu *aggr[IEEE80211_NUM_TIDS];
300
301 atomic_t non_aql_packets;
302 unsigned long flags;
303
304 struct ewma_signal rssi;
305 int inactive_count;
306
307 struct rate_info rate;
308
309 u16 idx;
310 u8 hw_key_idx;
311 u8 hw_key_idx2;
312
313 u8 sta:1;
314 u8 amsdu:1;
315 u8 phy_idx:2;
316
317 u8 rx_check_pn;
318 u8 rx_key_pn[IEEE80211_NUM_TIDS + 1][6];
319 u16 cipher;
320
321 u32 tx_info;
322 bool sw_iv;
323
324 struct list_head list;
325 struct idr pktid;
326
327 struct mt76_sta_stats stats;
328 };
329
330 struct mt76_txq {
331 u16 wcid;
332
333 u16 agg_ssn;
334 bool send_bar;
335 bool aggr;
336 };
337
338 struct mt76_txwi_cache {
339 struct list_head list;
340 dma_addr_t dma_addr;
341
342 struct sk_buff *skb;
343 };
344
345 struct mt76_rx_tid {
346 struct rcu_head rcu_head;
347
348 struct mt76_dev *dev;
349
350 spinlock_t lock;
351 struct delayed_work reorder_work;
352
353 u16 head;
354 u16 size;
355 u16 nframes;
356
357 u8 num;
358
359 u8 started:1, stopped:1, timer_pending:1;
360
361 struct sk_buff *reorder_buf[];
362 };
363
364 #define MT_TX_CB_DMA_DONE BIT(0)
365 #define MT_TX_CB_TXS_DONE BIT(1)
366 #define MT_TX_CB_TXS_FAILED BIT(2)
367
368 #define MT_PACKET_ID_MASK GENMASK(6, 0)
369 #define MT_PACKET_ID_NO_ACK 0
370 #define MT_PACKET_ID_NO_SKB 1
371 #define MT_PACKET_ID_WED 2
372 #define MT_PACKET_ID_FIRST 3
373 #define MT_PACKET_ID_HAS_RATE BIT(7)
374 /* This is timer for when to give up when waiting for TXS callback,
375 * with starting time being the time at which the DMA_DONE callback
376 * was seen (so, we know packet was processed then, it should not take
377 * long after that for firmware to send the TXS callback if it is going
378 * to do so.)
379 */
380 #define MT_TX_STATUS_SKB_TIMEOUT (HZ / 4)
381
382 struct mt76_tx_cb {
383 unsigned long jiffies;
384 u16 wcid;
385 u8 pktid;
386 u8 flags;
387 };
388
389 enum {
390 MT76_STATE_INITIALIZED,
391 MT76_STATE_RUNNING,
392 MT76_STATE_MCU_RUNNING,
393 MT76_SCANNING,
394 MT76_HW_SCANNING,
395 MT76_HW_SCHED_SCANNING,
396 MT76_RESTART,
397 MT76_RESET,
398 MT76_MCU_RESET,
399 MT76_REMOVED,
400 MT76_READING_STATS,
401 MT76_STATE_POWER_OFF,
402 MT76_STATE_SUSPEND,
403 MT76_STATE_ROC,
404 MT76_STATE_PM,
405 };
406
407 struct mt76_hw_cap {
408 bool has_2ghz;
409 bool has_5ghz;
410 bool has_6ghz;
411 };
412
413 #define MT_DRV_TXWI_NO_FREE BIT(0)
414 #define MT_DRV_TX_ALIGNED4_SKBS BIT(1)
415 #define MT_DRV_SW_RX_AIRTIME BIT(2)
416 #define MT_DRV_RX_DMA_HDR BIT(3)
417 #define MT_DRV_HW_MGMT_TXQ BIT(4)
418
419 struct mt76_driver_ops {
420 u32 drv_flags;
421 u32 survey_flags;
422 u16 txwi_size;
423 u16 token_size;
424 u8 mcs_rates;
425
426 void (*update_survey)(struct mt76_phy *phy);
427
428 int (*tx_prepare_skb)(struct mt76_dev *dev, void *txwi_ptr,
429 enum mt76_txq_id qid, struct mt76_wcid *wcid,
430 struct ieee80211_sta *sta,
431 struct mt76_tx_info *tx_info);
432
433 void (*tx_complete_skb)(struct mt76_dev *dev,
434 struct mt76_queue_entry *e);
435
436 bool (*tx_status_data)(struct mt76_dev *dev, u8 *update);
437
438 bool (*rx_check)(struct mt76_dev *dev, void *data, int len);
439
440 void (*rx_skb)(struct mt76_dev *dev, enum mt76_rxq_id q,
441 struct sk_buff *skb);
442
443 void (*rx_poll_complete)(struct mt76_dev *dev, enum mt76_rxq_id q);
444
445 void (*sta_ps)(struct mt76_dev *dev, struct ieee80211_sta *sta,
446 bool ps);
447
448 int (*sta_add)(struct mt76_dev *dev, struct ieee80211_vif *vif,
449 struct ieee80211_sta *sta);
450
451 void (*sta_assoc)(struct mt76_dev *dev, struct ieee80211_vif *vif,
452 struct ieee80211_sta *sta);
453
454 void (*sta_remove)(struct mt76_dev *dev, struct ieee80211_vif *vif,
455 struct ieee80211_sta *sta);
456 };
457
458 struct mt76_channel_state {
459 u64 cc_active;
460 u64 cc_busy;
461 u64 cc_rx;
462 u64 cc_bss_rx;
463 u64 cc_tx;
464
465 s8 noise;
466 };
467
468 struct mt76_sband {
469 struct ieee80211_supported_band sband;
470 struct mt76_channel_state *chan;
471 };
472
473 struct mt76_rate_power {
474 union {
475 struct {
476 s8 cck[4];
477 s8 ofdm[8];
478 s8 stbc[10];
479 s8 ht[16];
480 s8 vht[10];
481 };
482 s8 all[48];
483 };
484 };
485
486 /* addr req mask */
487 #define MT_VEND_TYPE_EEPROM BIT(31)
488 #define MT_VEND_TYPE_CFG BIT(30)
489 #define MT_VEND_TYPE_MASK (MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG)
490
491 #define MT_VEND_ADDR(type, n) (MT_VEND_TYPE_##type | (n))
492 enum mt_vendor_req {
493 MT_VEND_DEV_MODE = 0x1,
494 MT_VEND_WRITE = 0x2,
495 MT_VEND_POWER_ON = 0x4,
496 MT_VEND_MULTI_WRITE = 0x6,
497 MT_VEND_MULTI_READ = 0x7,
498 MT_VEND_READ_EEPROM = 0x9,
499 MT_VEND_WRITE_FCE = 0x42,
500 MT_VEND_WRITE_CFG = 0x46,
501 MT_VEND_READ_CFG = 0x47,
502 MT_VEND_READ_EXT = 0x63,
503 MT_VEND_WRITE_EXT = 0x66,
504 MT_VEND_FEATURE_SET = 0x91,
505 };
506
507 enum mt76u_in_ep {
508 MT_EP_IN_PKT_RX,
509 MT_EP_IN_CMD_RESP,
510 __MT_EP_IN_MAX,
511 };
512
513 enum mt76u_out_ep {
514 MT_EP_OUT_INBAND_CMD,
515 MT_EP_OUT_AC_BE,
516 MT_EP_OUT_AC_BK,
517 MT_EP_OUT_AC_VI,
518 MT_EP_OUT_AC_VO,
519 MT_EP_OUT_HCCA,
520 __MT_EP_OUT_MAX,
521 };
522
523 struct mt76_mcu {
524 struct mutex mutex;
525 u32 msg_seq;
526 int timeout;
527
528 struct sk_buff_head res_q;
529 wait_queue_head_t wait;
530 };
531
532 #define MT_TX_SG_MAX_SIZE 8
533 #define MT_RX_SG_MAX_SIZE 4
534 #define MT_NUM_TX_ENTRIES 256
535 #define MT_NUM_RX_ENTRIES 128
536 #define MCU_RESP_URB_SIZE 1024
537 struct mt76_usb {
538 struct mutex usb_ctrl_mtx;
539 u8 *data;
540 u16 data_len;
541
542 struct mt76_worker status_worker;
543 struct mt76_worker rx_worker;
544
545 struct work_struct stat_work;
546
547 u8 out_ep[__MT_EP_OUT_MAX];
548 u8 in_ep[__MT_EP_IN_MAX];
549 bool sg_en;
550
551 struct mt76u_mcu {
552 u8 *data;
553 /* multiple reads */
554 struct mt76_reg_pair *rp;
555 int rp_len;
556 u32 base;
557 } mcu;
558 };
559
560 #define MT76S_XMIT_BUF_SZ 0x3fe00
561 #define MT76S_NUM_TX_ENTRIES 256
562 #define MT76S_NUM_RX_ENTRIES 512
563 struct mt76_sdio {
564 struct mt76_worker txrx_worker;
565 struct mt76_worker status_worker;
566 struct mt76_worker net_worker;
567
568 struct work_struct stat_work;
569
570 u8 *xmit_buf;
571 u32 xmit_buf_sz;
572
573 struct sdio_func *func;
574 void *intr_data;
575 u8 hw_ver;
576 wait_queue_head_t wait;
577
578 struct {
579 int pse_data_quota;
580 int ple_data_quota;
581 int pse_mcu_quota;
582 int pse_page_size;
583 int deficit;
584 } sched;
585
586 int (*parse_irq)(struct mt76_dev *dev, struct mt76s_intr *intr);
587 };
588
589 struct mt76_mmio {
590 void __iomem *regs;
591 spinlock_t irq_lock;
592 u32 irqmask;
593
594 struct mtk_wed_device wed;
595 };
596
597 struct mt76_rx_status {
598 union {
599 struct mt76_wcid *wcid;
600 u16 wcid_idx;
601 };
602
603 u32 reorder_time;
604
605 u32 ampdu_ref;
606 u32 timestamp;
607
608 u8 iv[6];
609
610 u8 phy_idx:2;
611 u8 aggr:1;
612 u8 qos_ctl;
613 u16 seqno;
614
615 u16 freq;
616 u32 flag;
617 u8 enc_flags;
618 u8 encoding:2, bw:3, he_ru:3;
619 u8 he_gi:2, he_dcm:1;
620 u8 amsdu:1, first_amsdu:1, last_amsdu:1;
621 u8 rate_idx;
622 u8 nss;
623 u8 band;
624 s8 signal;
625 u8 chains;
626 s8 chain_signal[IEEE80211_MAX_CHAINS];
627 };
628
629 struct mt76_freq_range_power {
630 const struct cfg80211_sar_freq_ranges *range;
631 s8 power;
632 };
633
634 struct mt76_testmode_ops {
635 int (*set_state)(struct mt76_phy *phy, enum mt76_testmode_state state);
636 int (*set_params)(struct mt76_phy *phy, struct nlattr **tb,
637 enum mt76_testmode_state new_state);
638 int (*dump_stats)(struct mt76_phy *phy, struct sk_buff *msg);
639 };
640
641 struct mt76_testmode_data {
642 enum mt76_testmode_state state;
643
644 u32 param_set[DIV_ROUND_UP(NUM_MT76_TM_ATTRS, 32)];
645 struct sk_buff *tx_skb;
646
647 u32 tx_count;
648 u16 tx_mpdu_len;
649
650 u8 tx_rate_mode;
651 u8 tx_rate_idx;
652 u8 tx_rate_nss;
653 u8 tx_rate_sgi;
654 u8 tx_rate_ldpc;
655 u8 tx_rate_stbc;
656 u8 tx_ltf;
657
658 u8 tx_antenna_mask;
659 u8 tx_spe_idx;
660
661 u8 tx_duty_cycle;
662 u32 tx_time;
663 u32 tx_ipg;
664
665 u32 freq_offset;
666
667 u8 tx_power[4];
668 u8 tx_power_control;
669
670 u8 addr[3][ETH_ALEN];
671
672 u32 tx_pending;
673 u32 tx_queued;
674 u16 tx_queued_limit;
675 u32 tx_done;
676 struct {
677 u64 packets[__MT_RXQ_MAX];
678 u64 fcs_error[__MT_RXQ_MAX];
679 } rx_stats;
680 };
681
682 struct mt76_vif {
683 u8 idx;
684 u8 omac_idx;
685 u8 band_idx;
686 u8 wmm_idx;
687 u8 scan_seq_num;
688 u8 cipher;
689 };
690
691 struct mt76_phy {
692 struct ieee80211_hw *hw;
693 struct mt76_dev *dev;
694 void *priv;
695
696 unsigned long state;
697 u8 band_idx;
698
699 struct mt76_queue *q_tx[__MT_TXQ_MAX];
700
701 struct cfg80211_chan_def chandef;
702 struct ieee80211_channel *main_chan;
703
704 struct mt76_channel_state *chan_state;
705 enum mt76_dfs_state dfs_state;
706 ktime_t survey_time;
707
708 struct mt76_hw_cap cap;
709 struct mt76_sband sband_2g;
710 struct mt76_sband sband_5g;
711 struct mt76_sband sband_6g;
712
713 u8 macaddr[ETH_ALEN];
714
715 int txpower_cur;
716 u8 antenna_mask;
717 u16 chainmask;
718
719 #ifdef CONFIG_NL80211_TESTMODE
720 struct mt76_testmode_data test;
721 #endif
722
723 struct delayed_work mac_work;
724 u8 mac_work_count;
725
726 struct {
727 struct sk_buff *head;
728 struct sk_buff **tail;
729 u16 seqno;
730 } rx_amsdu[__MT_RXQ_MAX];
731
732 struct mt76_freq_range_power *frp;
733 };
734
735 struct mt76_dev {
736 struct mt76_phy phy; /* must be first */
737 struct mt76_phy *phys[__MT_MAX_BAND];
738
739 struct ieee80211_hw *hw;
740
741 spinlock_t lock;
742 spinlock_t cc_lock;
743
744 u32 cur_cc_bss_rx;
745
746 struct mt76_rx_status rx_ampdu_status;
747 u32 rx_ampdu_len;
748 u32 rx_ampdu_ref;
749
750 struct mutex mutex;
751
752 const struct mt76_bus_ops *bus;
753 const struct mt76_driver_ops *drv;
754 const struct mt76_mcu_ops *mcu_ops;
755 struct device *dev;
756 struct device *dma_dev;
757
758 struct mt76_mcu mcu;
759
760 struct net_device napi_dev;
761 struct net_device tx_napi_dev;
762 spinlock_t rx_lock;
763 struct napi_struct napi[__MT_RXQ_MAX];
764 struct sk_buff_head rx_skb[__MT_RXQ_MAX];
765
766 struct list_head txwi_cache;
767 struct mt76_queue *q_mcu[__MT_MCUQ_MAX];
768 struct mt76_queue q_rx[__MT_RXQ_MAX];
769 const struct mt76_queue_ops *queue_ops;
770 int tx_dma_idx[4];
771
772 struct mt76_worker tx_worker;
773 struct napi_struct tx_napi;
774
775 spinlock_t token_lock;
776 struct idr token;
777 u16 wed_token_count;
778 u16 token_count;
779 u16 token_size;
780
781 wait_queue_head_t tx_wait;
782 /* spinclock used to protect wcid pktid linked list */
783 spinlock_t status_lock;
784
785 u32 wcid_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
786 u32 wcid_phy_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
787
788 u64 vif_mask;
789
790 struct mt76_wcid global_wcid;
791 struct mt76_wcid __rcu *wcid[MT76_N_WCIDS];
792 struct list_head wcid_list;
793
794 u32 rev;
795
796 u32 aggr_stats[32];
797
798 struct tasklet_struct pre_tbtt_tasklet;
799 int beacon_int;
800 u8 beacon_mask;
801
802 struct debugfs_blob_wrapper eeprom;
803 struct debugfs_blob_wrapper otp;
804
805 struct mt76_rate_power rate_power;
806
807 char alpha2[3];
808 enum nl80211_dfs_regions region;
809
810 u32 debugfs_reg;
811
812 struct led_classdev led_cdev;
813 char led_name[32];
814 bool led_al;
815 u8 led_pin;
816
817 u8 csa_complete;
818
819 u32 rxfilter;
820
821 #ifdef CONFIG_NL80211_TESTMODE
822 const struct mt76_testmode_ops *test_ops;
823 struct {
824 const char *name;
825 u32 offset;
826 } test_mtd;
827 #endif
828 struct workqueue_struct *wq;
829
830 union {
831 struct mt76_mmio mmio;
832 struct mt76_usb usb;
833 struct mt76_sdio sdio;
834 };
835 };
836
837 struct mt76_power_limits {
838 s8 cck[4];
839 s8 ofdm[8];
840 s8 mcs[4][10];
841 s8 ru[7][12];
842 };
843
844 struct mt76_ethtool_worker_info {
845 u64 *data;
846 int idx;
847 int initial_stat_idx;
848 int worker_stat_count;
849 int sta_count;
850 };
851
852 #define CCK_RATE(_idx, _rate) { \
853 .bitrate = _rate, \
854 .flags = IEEE80211_RATE_SHORT_PREAMBLE, \
855 .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \
856 .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + _idx), \
857 }
858
859 #define OFDM_RATE(_idx, _rate) { \
860 .bitrate = _rate, \
861 .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
862 .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
863 }
864
865 extern struct ieee80211_rate mt76_rates[12];
866
867 #define __mt76_rr(dev, ...) (dev)->bus->rr((dev), __VA_ARGS__)
868 #define __mt76_wr(dev, ...) (dev)->bus->wr((dev), __VA_ARGS__)
869 #define __mt76_rmw(dev, ...) (dev)->bus->rmw((dev), __VA_ARGS__)
870 #define __mt76_wr_copy(dev, ...) (dev)->bus->write_copy((dev), __VA_ARGS__)
871 #define __mt76_rr_copy(dev, ...) (dev)->bus->read_copy((dev), __VA_ARGS__)
872
873 #define __mt76_set(dev, offset, val) __mt76_rmw(dev, offset, 0, val)
874 #define __mt76_clear(dev, offset, val) __mt76_rmw(dev, offset, val, 0)
875
876 #define mt76_rr(dev, ...) (dev)->mt76.bus->rr(&((dev)->mt76), __VA_ARGS__)
877 #define mt76_wr(dev, ...) (dev)->mt76.bus->wr(&((dev)->mt76), __VA_ARGS__)
878 #define mt76_rmw(dev, ...) (dev)->mt76.bus->rmw(&((dev)->mt76), __VA_ARGS__)
879 #define mt76_wr_copy(dev, ...) (dev)->mt76.bus->write_copy(&((dev)->mt76), __VA_ARGS__)
880 #define mt76_rr_copy(dev, ...) (dev)->mt76.bus->read_copy(&((dev)->mt76), __VA_ARGS__)
881 #define mt76_wr_rp(dev, ...) (dev)->mt76.bus->wr_rp(&((dev)->mt76), __VA_ARGS__)
882 #define mt76_rd_rp(dev, ...) (dev)->mt76.bus->rd_rp(&((dev)->mt76), __VA_ARGS__)
883
884
885 #define mt76_mcu_restart(dev, ...) (dev)->mt76.mcu_ops->mcu_restart(&((dev)->mt76))
886 #define __mt76_mcu_restart(dev, ...) (dev)->mcu_ops->mcu_restart((dev))
887
888 #define mt76_set(dev, offset, val) mt76_rmw(dev, offset, 0, val)
889 #define mt76_clear(dev, offset, val) mt76_rmw(dev, offset, val, 0)
890
891 #define mt76_get_field(_dev, _reg, _field) \
892 FIELD_GET(_field, mt76_rr(dev, _reg))
893
894 #define mt76_rmw_field(_dev, _reg, _field, _val) \
895 mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))
896
897 #define __mt76_rmw_field(_dev, _reg, _field, _val) \
898 __mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))
899
900 #define mt76_hw(dev) (dev)->mphy.hw
901
902 bool __mt76_poll(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
903 int timeout);
904
905 #define mt76_poll(dev, ...) __mt76_poll(&((dev)->mt76), __VA_ARGS__)
906
907 bool __mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
908 int timeout);
909
910 #define mt76_poll_msec(dev, ...) __mt76_poll_msec(&((dev)->mt76), __VA_ARGS__)
911
912 void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs);
913 void mt76_pci_disable_aspm(struct pci_dev *pdev);
914
mt76_chip(struct mt76_dev * dev)915 static inline u16 mt76_chip(struct mt76_dev *dev)
916 {
917 return dev->rev >> 16;
918 }
919
mt76_rev(struct mt76_dev * dev)920 static inline u16 mt76_rev(struct mt76_dev *dev)
921 {
922 return dev->rev & 0xffff;
923 }
924
925 #define mt76xx_chip(dev) mt76_chip(&((dev)->mt76))
926 #define mt76xx_rev(dev) mt76_rev(&((dev)->mt76))
927
928 #define mt76_init_queues(dev, ...) (dev)->mt76.queue_ops->init(&((dev)->mt76), __VA_ARGS__)
929 #define mt76_queue_alloc(dev, ...) (dev)->mt76.queue_ops->alloc(&((dev)->mt76), __VA_ARGS__)
930 #define mt76_tx_queue_skb_raw(dev, ...) (dev)->mt76.queue_ops->tx_queue_skb_raw(&((dev)->mt76), __VA_ARGS__)
931 #define mt76_tx_queue_skb(dev, ...) (dev)->mt76.queue_ops->tx_queue_skb(&((dev)->mt76), __VA_ARGS__)
932 #define mt76_queue_rx_reset(dev, ...) (dev)->mt76.queue_ops->rx_reset(&((dev)->mt76), __VA_ARGS__)
933 #define mt76_queue_tx_cleanup(dev, ...) (dev)->mt76.queue_ops->tx_cleanup(&((dev)->mt76), __VA_ARGS__)
934 #define mt76_queue_rx_cleanup(dev, ...) (dev)->mt76.queue_ops->rx_cleanup(&((dev)->mt76), __VA_ARGS__)
935 #define mt76_queue_kick(dev, ...) (dev)->mt76.queue_ops->kick(&((dev)->mt76), __VA_ARGS__)
936 #define mt76_queue_reset(dev, ...) (dev)->mt76.queue_ops->reset_q(&((dev)->mt76), __VA_ARGS__)
937
938 #define mt76_for_each_q_rx(dev, i) \
939 for (i = 0; i < ARRAY_SIZE((dev)->q_rx); i++) \
940 if ((dev)->q_rx[i].ndesc)
941
942 struct mt76_dev *mt76_alloc_device(struct device *pdev, unsigned int size,
943 const struct ieee80211_ops *ops,
944 const struct mt76_driver_ops *drv_ops);
945 int mt76_register_device(struct mt76_dev *dev, bool vht,
946 struct ieee80211_rate *rates, int n_rates);
947 void mt76_unregister_device(struct mt76_dev *dev);
948 void mt76_free_device(struct mt76_dev *dev);
949 void mt76_unregister_phy(struct mt76_phy *phy);
950
951 struct mt76_phy *mt76_alloc_phy(struct mt76_dev *dev, unsigned int size,
952 const struct ieee80211_ops *ops,
953 u8 band_idx);
954 int mt76_register_phy(struct mt76_phy *phy, bool vht,
955 struct ieee80211_rate *rates, int n_rates);
956
957 struct dentry *mt76_register_debugfs_fops(struct mt76_phy *phy,
958 const struct file_operations *ops);
mt76_register_debugfs(struct mt76_dev * dev)959 static inline struct dentry *mt76_register_debugfs(struct mt76_dev *dev)
960 {
961 return mt76_register_debugfs_fops(&dev->phy, NULL);
962 }
963
964 int mt76_queues_read(struct seq_file *s, void *data);
965 void mt76_seq_puts_array(struct seq_file *file, const char *str,
966 s8 *val, int len);
967
968 int mt76_eeprom_init(struct mt76_dev *dev, int len);
969 void mt76_eeprom_override(struct mt76_phy *phy);
970 int mt76_get_of_eeprom(struct mt76_dev *dev, void *data, int offset, int len);
971
972 struct mt76_queue *
973 mt76_init_queue(struct mt76_dev *dev, int qid, int idx, int n_desc,
974 int ring_base, u32 flags);
975 u16 mt76_calculate_default_rate(struct mt76_phy *phy, int rateidx);
mt76_init_tx_queue(struct mt76_phy * phy,int qid,int idx,int n_desc,int ring_base,u32 flags)976 static inline int mt76_init_tx_queue(struct mt76_phy *phy, int qid, int idx,
977 int n_desc, int ring_base, u32 flags)
978 {
979 struct mt76_queue *q;
980
981 q = mt76_init_queue(phy->dev, qid, idx, n_desc, ring_base, flags);
982 if (IS_ERR(q))
983 return PTR_ERR(q);
984
985 phy->q_tx[qid] = q;
986
987 return 0;
988 }
989
mt76_init_mcu_queue(struct mt76_dev * dev,int qid,int idx,int n_desc,int ring_base)990 static inline int mt76_init_mcu_queue(struct mt76_dev *dev, int qid, int idx,
991 int n_desc, int ring_base)
992 {
993 struct mt76_queue *q;
994
995 q = mt76_init_queue(dev, qid, idx, n_desc, ring_base, 0);
996 if (IS_ERR(q))
997 return PTR_ERR(q);
998
999 dev->q_mcu[qid] = q;
1000
1001 return 0;
1002 }
1003
1004 static inline struct mt76_phy *
mt76_dev_phy(struct mt76_dev * dev,u8 phy_idx)1005 mt76_dev_phy(struct mt76_dev *dev, u8 phy_idx)
1006 {
1007 if ((phy_idx == MT_BAND1 && dev->phys[phy_idx]) ||
1008 (phy_idx == MT_BAND2 && dev->phys[phy_idx]))
1009 return dev->phys[phy_idx];
1010
1011 return &dev->phy;
1012 }
1013
1014 static inline struct ieee80211_hw *
mt76_phy_hw(struct mt76_dev * dev,u8 phy_idx)1015 mt76_phy_hw(struct mt76_dev *dev, u8 phy_idx)
1016 {
1017 return mt76_dev_phy(dev, phy_idx)->hw;
1018 }
1019
1020 static inline u8 *
mt76_get_txwi_ptr(struct mt76_dev * dev,struct mt76_txwi_cache * t)1021 mt76_get_txwi_ptr(struct mt76_dev *dev, struct mt76_txwi_cache *t)
1022 {
1023 return (u8 *)t - dev->drv->txwi_size;
1024 }
1025
1026 /* increment with wrap-around */
mt76_incr(int val,int size)1027 static inline int mt76_incr(int val, int size)
1028 {
1029 return (val + 1) & (size - 1);
1030 }
1031
1032 /* decrement with wrap-around */
mt76_decr(int val,int size)1033 static inline int mt76_decr(int val, int size)
1034 {
1035 return (val - 1) & (size - 1);
1036 }
1037
1038 u8 mt76_ac_to_hwq(u8 ac);
1039
1040 static inline struct ieee80211_txq *
mtxq_to_txq(struct mt76_txq * mtxq)1041 mtxq_to_txq(struct mt76_txq *mtxq)
1042 {
1043 void *ptr = mtxq;
1044
1045 return container_of(ptr, struct ieee80211_txq, drv_priv);
1046 }
1047
1048 static inline struct ieee80211_sta *
wcid_to_sta(struct mt76_wcid * wcid)1049 wcid_to_sta(struct mt76_wcid *wcid)
1050 {
1051 void *ptr = wcid;
1052
1053 if (!wcid || !wcid->sta)
1054 return NULL;
1055
1056 return container_of(ptr, struct ieee80211_sta, drv_priv);
1057 }
1058
mt76_tx_skb_cb(struct sk_buff * skb)1059 static inline struct mt76_tx_cb *mt76_tx_skb_cb(struct sk_buff *skb)
1060 {
1061 BUILD_BUG_ON(sizeof(struct mt76_tx_cb) >
1062 sizeof(IEEE80211_SKB_CB(skb)->status.status_driver_data));
1063 return ((void *)IEEE80211_SKB_CB(skb)->status.status_driver_data);
1064 }
1065
mt76_skb_get_hdr(struct sk_buff * skb)1066 static inline void *mt76_skb_get_hdr(struct sk_buff *skb)
1067 {
1068 struct mt76_rx_status mstat;
1069 u8 *data = skb->data;
1070
1071 /* Alignment concerns */
1072 BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he) % 4);
1073 BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he_mu) % 4);
1074
1075 mstat = *((struct mt76_rx_status *)skb->cb);
1076
1077 if (mstat.flag & RX_FLAG_RADIOTAP_HE)
1078 data += sizeof(struct ieee80211_radiotap_he);
1079 if (mstat.flag & RX_FLAG_RADIOTAP_HE_MU)
1080 data += sizeof(struct ieee80211_radiotap_he_mu);
1081
1082 return data;
1083 }
1084
mt76_insert_hdr_pad(struct sk_buff * skb)1085 static inline void mt76_insert_hdr_pad(struct sk_buff *skb)
1086 {
1087 int len = ieee80211_get_hdrlen_from_skb(skb);
1088
1089 if (len % 4 == 0)
1090 return;
1091
1092 skb_push(skb, 2);
1093 memmove(skb->data, skb->data + 2, len);
1094
1095 skb->data[len] = 0;
1096 skb->data[len + 1] = 0;
1097 }
1098
mt76_is_skb_pktid(u8 pktid)1099 static inline bool mt76_is_skb_pktid(u8 pktid)
1100 {
1101 if (pktid & MT_PACKET_ID_HAS_RATE)
1102 return false;
1103
1104 return pktid >= MT_PACKET_ID_FIRST;
1105 }
1106
mt76_tx_power_nss_delta(u8 nss)1107 static inline u8 mt76_tx_power_nss_delta(u8 nss)
1108 {
1109 static const u8 nss_delta[4] = { 0, 6, 9, 12 };
1110
1111 return nss_delta[nss - 1];
1112 }
1113
mt76_testmode_enabled(struct mt76_phy * phy)1114 static inline bool mt76_testmode_enabled(struct mt76_phy *phy)
1115 {
1116 #ifdef CONFIG_NL80211_TESTMODE
1117 return phy->test.state != MT76_TM_STATE_OFF;
1118 #else
1119 return false;
1120 #endif
1121 }
1122
mt76_is_testmode_skb(struct mt76_dev * dev,struct sk_buff * skb,struct ieee80211_hw ** hw)1123 static inline bool mt76_is_testmode_skb(struct mt76_dev *dev,
1124 struct sk_buff *skb,
1125 struct ieee80211_hw **hw)
1126 {
1127 #ifdef CONFIG_NL80211_TESTMODE
1128 int i;
1129
1130 for (i = 0; i < ARRAY_SIZE(dev->phys); i++) {
1131 struct mt76_phy *phy = dev->phys[i];
1132
1133 if (phy && skb == phy->test.tx_skb) {
1134 *hw = dev->phys[i]->hw;
1135 return true;
1136 }
1137 }
1138 return false;
1139 #else
1140 return false;
1141 #endif
1142 }
1143
1144 void mt76_rx(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb);
1145 void mt76_tx(struct mt76_phy *dev, struct ieee80211_sta *sta,
1146 struct mt76_wcid *wcid, struct sk_buff *skb);
1147 void mt76_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *txq);
1148 void mt76_stop_tx_queues(struct mt76_phy *phy, struct ieee80211_sta *sta,
1149 bool send_bar);
1150 void mt76_tx_check_agg_ssn(struct ieee80211_sta *sta, struct sk_buff *skb);
1151 void mt76_txq_schedule(struct mt76_phy *phy, enum mt76_txq_id qid);
1152 void mt76_txq_schedule_all(struct mt76_phy *phy);
1153 void mt76_tx_worker_run(struct mt76_dev *dev);
1154 void mt76_tx_worker(struct mt76_worker *w);
1155 void mt76_release_buffered_frames(struct ieee80211_hw *hw,
1156 struct ieee80211_sta *sta,
1157 u16 tids, int nframes,
1158 enum ieee80211_frame_release_type reason,
1159 bool more_data);
1160 bool mt76_has_tx_pending(struct mt76_phy *phy);
1161 void mt76_set_channel(struct mt76_phy *phy);
1162 void mt76_update_survey(struct mt76_phy *phy);
1163 void mt76_update_survey_active_time(struct mt76_phy *phy, ktime_t time);
1164 int mt76_get_survey(struct ieee80211_hw *hw, int idx,
1165 struct survey_info *survey);
1166 void mt76_set_stream_caps(struct mt76_phy *phy, bool vht);
1167
1168 int mt76_rx_aggr_start(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid,
1169 u16 ssn, u16 size);
1170 void mt76_rx_aggr_stop(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid);
1171
1172 void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
1173 struct ieee80211_key_conf *key);
1174
1175 void mt76_tx_status_lock(struct mt76_dev *dev, struct sk_buff_head *list)
1176 __acquires(&dev->status_lock);
1177 void mt76_tx_status_unlock(struct mt76_dev *dev, struct sk_buff_head *list)
1178 __releases(&dev->status_lock);
1179
1180 int mt76_tx_status_skb_add(struct mt76_dev *dev, struct mt76_wcid *wcid,
1181 struct sk_buff *skb);
1182 struct sk_buff *mt76_tx_status_skb_get(struct mt76_dev *dev,
1183 struct mt76_wcid *wcid, int pktid,
1184 struct sk_buff_head *list);
1185 void mt76_tx_status_skb_done(struct mt76_dev *dev, struct sk_buff *skb,
1186 struct sk_buff_head *list);
1187 void __mt76_tx_complete_skb(struct mt76_dev *dev, u16 wcid, struct sk_buff *skb,
1188 struct list_head *free_list);
1189 static inline void
mt76_tx_complete_skb(struct mt76_dev * dev,u16 wcid,struct sk_buff * skb)1190 mt76_tx_complete_skb(struct mt76_dev *dev, u16 wcid, struct sk_buff *skb)
1191 {
1192 __mt76_tx_complete_skb(dev, wcid, skb, NULL);
1193 }
1194
1195 void mt76_tx_status_check(struct mt76_dev *dev, bool flush);
1196 int mt76_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1197 struct ieee80211_sta *sta,
1198 enum ieee80211_sta_state old_state,
1199 enum ieee80211_sta_state new_state);
1200 void __mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif,
1201 struct ieee80211_sta *sta);
1202 void mt76_sta_pre_rcu_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1203 struct ieee80211_sta *sta);
1204
1205 int mt76_get_min_avg_rssi(struct mt76_dev *dev, bool ext_phy);
1206
1207 int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1208 int *dbm);
1209 int mt76_init_sar_power(struct ieee80211_hw *hw,
1210 const struct cfg80211_sar_specs *sar);
1211 int mt76_get_sar_power(struct mt76_phy *phy,
1212 struct ieee80211_channel *chan,
1213 int power);
1214
1215 void mt76_csa_check(struct mt76_dev *dev);
1216 void mt76_csa_finish(struct mt76_dev *dev);
1217
1218 int mt76_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
1219 int mt76_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set);
1220 void mt76_insert_ccmp_hdr(struct sk_buff *skb, u8 key_id);
1221 int mt76_get_rate(struct mt76_dev *dev,
1222 struct ieee80211_supported_band *sband,
1223 int idx, bool cck);
1224 void mt76_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1225 const u8 *mac);
1226 void mt76_sw_scan_complete(struct ieee80211_hw *hw,
1227 struct ieee80211_vif *vif);
1228 enum mt76_dfs_state mt76_phy_dfs_state(struct mt76_phy *phy);
1229 int mt76_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1230 void *data, int len);
1231 int mt76_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
1232 struct netlink_callback *cb, void *data, int len);
1233 int mt76_testmode_set_state(struct mt76_phy *phy, enum mt76_testmode_state state);
1234 int mt76_testmode_alloc_skb(struct mt76_phy *phy, u32 len);
1235
mt76_testmode_reset(struct mt76_phy * phy,bool disable)1236 static inline void mt76_testmode_reset(struct mt76_phy *phy, bool disable)
1237 {
1238 #ifdef CONFIG_NL80211_TESTMODE
1239 enum mt76_testmode_state state = MT76_TM_STATE_IDLE;
1240
1241 if (disable || phy->test.state == MT76_TM_STATE_OFF)
1242 state = MT76_TM_STATE_OFF;
1243
1244 mt76_testmode_set_state(phy, state);
1245 #endif
1246 }
1247
1248
1249 /* internal */
1250 static inline struct ieee80211_hw *
mt76_tx_status_get_hw(struct mt76_dev * dev,struct sk_buff * skb)1251 mt76_tx_status_get_hw(struct mt76_dev *dev, struct sk_buff *skb)
1252 {
1253 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1254 u8 phy_idx = (info->hw_queue & MT_TX_HW_QUEUE_PHY) >> 2;
1255 struct ieee80211_hw *hw = mt76_phy_hw(dev, phy_idx);
1256
1257 info->hw_queue &= ~MT_TX_HW_QUEUE_PHY;
1258
1259 return hw;
1260 }
1261
1262 void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
1263 void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
1264 struct napi_struct *napi);
1265 void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q,
1266 struct napi_struct *napi);
1267 void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames);
1268 void mt76_testmode_tx_pending(struct mt76_phy *phy);
1269 void mt76_queue_tx_complete(struct mt76_dev *dev, struct mt76_queue *q,
1270 struct mt76_queue_entry *e);
1271
1272 /* usb */
mt76u_urb_error(struct urb * urb)1273 static inline bool mt76u_urb_error(struct urb *urb)
1274 {
1275 return urb->status &&
1276 urb->status != -ECONNRESET &&
1277 urb->status != -ESHUTDOWN &&
1278 urb->status != -ENOENT;
1279 }
1280
1281 /* Map hardware queues to usb endpoints */
q2ep(u8 qid)1282 static inline u8 q2ep(u8 qid)
1283 {
1284 /* TODO: take management packets to queue 5 */
1285 return qid + 1;
1286 }
1287
1288 static inline int
mt76u_bulk_msg(struct mt76_dev * dev,void * data,int len,int * actual_len,int timeout,int ep)1289 mt76u_bulk_msg(struct mt76_dev *dev, void *data, int len, int *actual_len,
1290 int timeout, int ep)
1291 {
1292 struct usb_interface *uintf = to_usb_interface(dev->dev);
1293 struct usb_device *udev = interface_to_usbdev(uintf);
1294 struct mt76_usb *usb = &dev->usb;
1295 unsigned int pipe;
1296
1297 if (actual_len)
1298 pipe = usb_rcvbulkpipe(udev, usb->in_ep[ep]);
1299 else
1300 pipe = usb_sndbulkpipe(udev, usb->out_ep[ep]);
1301
1302 return usb_bulk_msg(udev, pipe, data, len, actual_len, timeout);
1303 }
1304
1305 void mt76_ethtool_worker(struct mt76_ethtool_worker_info *wi,
1306 struct mt76_sta_stats *stats);
1307 int mt76_skb_adjust_pad(struct sk_buff *skb, int pad);
1308 int __mt76u_vendor_request(struct mt76_dev *dev, u8 req, u8 req_type,
1309 u16 val, u16 offset, void *buf, size_t len);
1310 int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
1311 u8 req_type, u16 val, u16 offset,
1312 void *buf, size_t len);
1313 void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
1314 const u16 offset, const u32 val);
1315 void mt76u_read_copy(struct mt76_dev *dev, u32 offset,
1316 void *data, int len);
1317 u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type, u32 addr);
1318 void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type,
1319 u32 addr, u32 val);
1320 int __mt76u_init(struct mt76_dev *dev, struct usb_interface *intf,
1321 struct mt76_bus_ops *ops);
1322 int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf);
1323 int mt76u_alloc_mcu_queue(struct mt76_dev *dev);
1324 int mt76u_alloc_queues(struct mt76_dev *dev);
1325 void mt76u_stop_tx(struct mt76_dev *dev);
1326 void mt76u_stop_rx(struct mt76_dev *dev);
1327 int mt76u_resume_rx(struct mt76_dev *dev);
1328 void mt76u_queues_deinit(struct mt76_dev *dev);
1329
1330 int mt76s_init(struct mt76_dev *dev, struct sdio_func *func,
1331 const struct mt76_bus_ops *bus_ops);
1332 int mt76s_alloc_rx_queue(struct mt76_dev *dev, enum mt76_rxq_id qid);
1333 int mt76s_alloc_tx(struct mt76_dev *dev);
1334 void mt76s_deinit(struct mt76_dev *dev);
1335 void mt76s_sdio_irq(struct sdio_func *func);
1336 void mt76s_txrx_worker(struct mt76_sdio *sdio);
1337 bool mt76s_txqs_empty(struct mt76_dev *dev);
1338 int mt76s_hw_init(struct mt76_dev *dev, struct sdio_func *func,
1339 int hw_ver);
1340 u32 mt76s_rr(struct mt76_dev *dev, u32 offset);
1341 void mt76s_wr(struct mt76_dev *dev, u32 offset, u32 val);
1342 u32 mt76s_rmw(struct mt76_dev *dev, u32 offset, u32 mask, u32 val);
1343 u32 mt76s_read_pcr(struct mt76_dev *dev);
1344 void mt76s_write_copy(struct mt76_dev *dev, u32 offset,
1345 const void *data, int len);
1346 void mt76s_read_copy(struct mt76_dev *dev, u32 offset,
1347 void *data, int len);
1348 int mt76s_wr_rp(struct mt76_dev *dev, u32 base,
1349 const struct mt76_reg_pair *data,
1350 int len);
1351 int mt76s_rd_rp(struct mt76_dev *dev, u32 base,
1352 struct mt76_reg_pair *data, int len);
1353
1354 struct sk_buff *
1355 __mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
1356 int len, int data_len, gfp_t gfp);
1357 static inline struct sk_buff *
mt76_mcu_msg_alloc(struct mt76_dev * dev,const void * data,int data_len)1358 mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
1359 int data_len)
1360 {
1361 return __mt76_mcu_msg_alloc(dev, data, data_len, data_len, GFP_KERNEL);
1362 }
1363
1364 void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb);
1365 struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
1366 unsigned long expires);
1367 int mt76_mcu_send_and_get_msg(struct mt76_dev *dev, int cmd, const void *data,
1368 int len, bool wait_resp, struct sk_buff **ret);
1369 int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb,
1370 int cmd, bool wait_resp, struct sk_buff **ret);
1371 int __mt76_mcu_send_firmware(struct mt76_dev *dev, int cmd, const void *data,
1372 int len, int max_len);
1373 static inline int
mt76_mcu_send_firmware(struct mt76_dev * dev,int cmd,const void * data,int len)1374 mt76_mcu_send_firmware(struct mt76_dev *dev, int cmd, const void *data,
1375 int len)
1376 {
1377 int max_len = 4096 - dev->mcu_ops->headroom;
1378
1379 return __mt76_mcu_send_firmware(dev, cmd, data, len, max_len);
1380 }
1381
1382 static inline int
mt76_mcu_send_msg(struct mt76_dev * dev,int cmd,const void * data,int len,bool wait_resp)1383 mt76_mcu_send_msg(struct mt76_dev *dev, int cmd, const void *data, int len,
1384 bool wait_resp)
1385 {
1386 return mt76_mcu_send_and_get_msg(dev, cmd, data, len, wait_resp, NULL);
1387 }
1388
1389 static inline int
mt76_mcu_skb_send_msg(struct mt76_dev * dev,struct sk_buff * skb,int cmd,bool wait_resp)1390 mt76_mcu_skb_send_msg(struct mt76_dev *dev, struct sk_buff *skb, int cmd,
1391 bool wait_resp)
1392 {
1393 return mt76_mcu_skb_send_and_get_msg(dev, skb, cmd, wait_resp, NULL);
1394 }
1395
1396 void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr, u32 clear, u32 set);
1397
1398 s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
1399 struct ieee80211_channel *chan,
1400 struct mt76_power_limits *dest,
1401 s8 target_power);
1402
1403 struct mt76_txwi_cache *
1404 mt76_token_release(struct mt76_dev *dev, int token, bool *wake);
1405 int mt76_token_consume(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi);
1406 void __mt76_set_tx_blocked(struct mt76_dev *dev, bool blocked);
1407
mt76_set_tx_blocked(struct mt76_dev * dev,bool blocked)1408 static inline void mt76_set_tx_blocked(struct mt76_dev *dev, bool blocked)
1409 {
1410 spin_lock_bh(&dev->token_lock);
1411 __mt76_set_tx_blocked(dev, blocked);
1412 spin_unlock_bh(&dev->token_lock);
1413 }
1414
1415 static inline int
mt76_token_get(struct mt76_dev * dev,struct mt76_txwi_cache ** ptxwi)1416 mt76_token_get(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi)
1417 {
1418 int token;
1419
1420 spin_lock_bh(&dev->token_lock);
1421 token = idr_alloc(&dev->token, *ptxwi, 0, dev->token_size, GFP_ATOMIC);
1422 spin_unlock_bh(&dev->token_lock);
1423
1424 return token;
1425 }
1426
1427 static inline struct mt76_txwi_cache *
mt76_token_put(struct mt76_dev * dev,int token)1428 mt76_token_put(struct mt76_dev *dev, int token)
1429 {
1430 struct mt76_txwi_cache *txwi;
1431
1432 spin_lock_bh(&dev->token_lock);
1433 txwi = idr_remove(&dev->token, token);
1434 spin_unlock_bh(&dev->token_lock);
1435
1436 return txwi;
1437 }
1438
mt76_packet_id_init(struct mt76_wcid * wcid)1439 static inline void mt76_packet_id_init(struct mt76_wcid *wcid)
1440 {
1441 INIT_LIST_HEAD(&wcid->list);
1442 idr_init(&wcid->pktid);
1443 }
1444
1445 static inline void
mt76_packet_id_flush(struct mt76_dev * dev,struct mt76_wcid * wcid)1446 mt76_packet_id_flush(struct mt76_dev *dev, struct mt76_wcid *wcid)
1447 {
1448 struct sk_buff_head list;
1449
1450 mt76_tx_status_lock(dev, &list);
1451 mt76_tx_status_skb_get(dev, wcid, -1, &list);
1452 mt76_tx_status_unlock(dev, &list);
1453
1454 idr_destroy(&wcid->pktid);
1455 }
1456
1457 #endif
1458