1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #include <linux/firmware.h>
5 #include <linux/fs.h>
6 #include "mt7915.h"
7 #include "mcu.h"
8 #include "mac.h"
9 #include "eeprom.h"
10
11 struct mt7915_patch_hdr {
12 char build_date[16];
13 char platform[4];
14 __be32 hw_sw_ver;
15 __be32 patch_ver;
16 __be16 checksum;
17 u16 reserved;
18 struct {
19 __be32 patch_ver;
20 __be32 subsys;
21 __be32 feature;
22 __be32 n_region;
23 __be32 crc;
24 u32 reserved[11];
25 } desc;
26 } __packed;
27
28 struct mt7915_patch_sec {
29 __be32 type;
30 __be32 offs;
31 __be32 size;
32 union {
33 __be32 spec[13];
34 struct {
35 __be32 addr;
36 __be32 len;
37 __be32 sec_key_idx;
38 __be32 align_len;
39 u32 reserved[9];
40 } info;
41 };
42 } __packed;
43
44 struct mt7915_fw_trailer {
45 u8 chip_id;
46 u8 eco_code;
47 u8 n_region;
48 u8 format_ver;
49 u8 format_flag;
50 u8 reserved[2];
51 char fw_ver[10];
52 char build_date[15];
53 u32 crc;
54 } __packed;
55
56 struct mt7915_fw_region {
57 __le32 decomp_crc;
58 __le32 decomp_len;
59 __le32 decomp_blk_sz;
60 u8 reserved[4];
61 __le32 addr;
62 __le32 len;
63 u8 feature_set;
64 u8 reserved1[15];
65 } __packed;
66
67 #define MCU_PATCH_ADDRESS 0x200000
68
69 #define MT_STA_BFER BIT(0)
70 #define MT_STA_BFEE BIT(1)
71
72 #define FW_FEATURE_SET_ENCRYPT BIT(0)
73 #define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1)
74 #define FW_FEATURE_OVERRIDE_ADDR BIT(5)
75
76 #define DL_MODE_ENCRYPT BIT(0)
77 #define DL_MODE_KEY_IDX GENMASK(2, 1)
78 #define DL_MODE_RESET_SEC_IV BIT(3)
79 #define DL_MODE_WORKING_PDA_CR4 BIT(4)
80 #define DL_MODE_NEED_RSP BIT(31)
81
82 #define FW_START_OVERRIDE BIT(0)
83 #define FW_START_WORKING_PDA_CR4 BIT(2)
84
85 #define PATCH_SEC_TYPE_MASK GENMASK(15, 0)
86 #define PATCH_SEC_TYPE_INFO 0x2
87
88 #define to_wcid_lo(id) FIELD_GET(GENMASK(7, 0), (u16)id)
89 #define to_wcid_hi(id) FIELD_GET(GENMASK(9, 8), (u16)id)
90
91 #define HE_PHY(p, c) u8_get_bits(c, IEEE80211_HE_PHY_##p)
92 #define HE_MAC(m, c) u8_get_bits(c, IEEE80211_HE_MAC_##m)
93
94 static enum mt7915_cipher_type
mt7915_mcu_get_cipher(int cipher)95 mt7915_mcu_get_cipher(int cipher)
96 {
97 switch (cipher) {
98 case WLAN_CIPHER_SUITE_WEP40:
99 return MT_CIPHER_WEP40;
100 case WLAN_CIPHER_SUITE_WEP104:
101 return MT_CIPHER_WEP104;
102 case WLAN_CIPHER_SUITE_TKIP:
103 return MT_CIPHER_TKIP;
104 case WLAN_CIPHER_SUITE_AES_CMAC:
105 return MT_CIPHER_BIP_CMAC_128;
106 case WLAN_CIPHER_SUITE_CCMP:
107 return MT_CIPHER_AES_CCMP;
108 case WLAN_CIPHER_SUITE_CCMP_256:
109 return MT_CIPHER_CCMP_256;
110 case WLAN_CIPHER_SUITE_GCMP:
111 return MT_CIPHER_GCMP;
112 case WLAN_CIPHER_SUITE_GCMP_256:
113 return MT_CIPHER_GCMP_256;
114 case WLAN_CIPHER_SUITE_SMS4:
115 return MT_CIPHER_WAPI;
116 default:
117 return MT_CIPHER_NONE;
118 }
119 }
120
mt7915_mcu_chan_bw(struct cfg80211_chan_def * chandef)121 static u8 mt7915_mcu_chan_bw(struct cfg80211_chan_def *chandef)
122 {
123 static const u8 width_to_bw[] = {
124 [NL80211_CHAN_WIDTH_40] = CMD_CBW_40MHZ,
125 [NL80211_CHAN_WIDTH_80] = CMD_CBW_80MHZ,
126 [NL80211_CHAN_WIDTH_80P80] = CMD_CBW_8080MHZ,
127 [NL80211_CHAN_WIDTH_160] = CMD_CBW_160MHZ,
128 [NL80211_CHAN_WIDTH_5] = CMD_CBW_5MHZ,
129 [NL80211_CHAN_WIDTH_10] = CMD_CBW_10MHZ,
130 [NL80211_CHAN_WIDTH_20] = CMD_CBW_20MHZ,
131 [NL80211_CHAN_WIDTH_20_NOHT] = CMD_CBW_20MHZ,
132 };
133
134 if (chandef->width >= ARRAY_SIZE(width_to_bw))
135 return 0;
136
137 return width_to_bw[chandef->width];
138 }
139
140 static const struct ieee80211_sta_he_cap *
mt7915_get_he_phy_cap(struct mt7915_phy * phy,struct ieee80211_vif * vif)141 mt7915_get_he_phy_cap(struct mt7915_phy *phy, struct ieee80211_vif *vif)
142 {
143 struct ieee80211_supported_band *sband;
144 enum nl80211_band band;
145
146 band = phy->mt76->chandef.chan->band;
147 sband = phy->mt76->hw->wiphy->bands[band];
148
149 return ieee80211_get_he_iftype_cap(sband, vif->type);
150 }
151
152 static u8
mt7915_get_phy_mode(struct mt7915_dev * dev,struct ieee80211_vif * vif,enum nl80211_band band,struct ieee80211_sta * sta)153 mt7915_get_phy_mode(struct mt7915_dev *dev, struct ieee80211_vif *vif,
154 enum nl80211_band band, struct ieee80211_sta *sta)
155 {
156 struct ieee80211_sta_ht_cap *ht_cap;
157 struct ieee80211_sta_vht_cap *vht_cap;
158 const struct ieee80211_sta_he_cap *he_cap;
159 u8 mode = 0;
160
161 if (sta) {
162 ht_cap = &sta->ht_cap;
163 vht_cap = &sta->vht_cap;
164 he_cap = &sta->he_cap;
165 } else {
166 struct ieee80211_supported_band *sband;
167 struct mt7915_phy *phy;
168 struct mt7915_vif *mvif;
169
170 mvif = (struct mt7915_vif *)vif->drv_priv;
171 phy = mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
172 sband = phy->mt76->hw->wiphy->bands[band];
173
174 ht_cap = &sband->ht_cap;
175 vht_cap = &sband->vht_cap;
176 he_cap = ieee80211_get_he_iftype_cap(sband, vif->type);
177 }
178
179 if (band == NL80211_BAND_2GHZ) {
180 mode |= PHY_MODE_B | PHY_MODE_G;
181
182 if (ht_cap->ht_supported)
183 mode |= PHY_MODE_GN;
184
185 if (he_cap && he_cap->has_he)
186 mode |= PHY_MODE_AX_24G;
187 } else if (band == NL80211_BAND_5GHZ) {
188 mode |= PHY_MODE_A;
189
190 if (ht_cap->ht_supported)
191 mode |= PHY_MODE_AN;
192
193 if (vht_cap->vht_supported)
194 mode |= PHY_MODE_AC;
195
196 if (he_cap && he_cap->has_he)
197 mode |= PHY_MODE_AX_5G;
198 }
199
200 return mode;
201 }
202
203 static u8
mt7915_mcu_get_sta_nss(u16 mcs_map)204 mt7915_mcu_get_sta_nss(u16 mcs_map)
205 {
206 u8 nss;
207
208 for (nss = 8; nss > 0; nss--) {
209 u8 nss_mcs = (mcs_map >> (2 * (nss - 1))) & 3;
210
211 if (nss_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED)
212 break;
213 }
214
215 return nss - 1;
216 }
217
__mt7915_mcu_msg_send(struct mt7915_dev * dev,struct sk_buff * skb,int cmd,int * wait_seq)218 static int __mt7915_mcu_msg_send(struct mt7915_dev *dev, struct sk_buff *skb,
219 int cmd, int *wait_seq)
220 {
221 struct mt7915_mcu_txd *mcu_txd;
222 u8 seq, pkt_fmt, qidx;
223 enum mt76_txq_id txq;
224 __le32 *txd;
225 u32 val;
226
227 seq = ++dev->mt76.mcu.msg_seq & 0xf;
228 if (!seq)
229 seq = ++dev->mt76.mcu.msg_seq & 0xf;
230
231 if (cmd == -MCU_CMD_FW_SCATTER) {
232 txq = MT_TXQ_FWDL;
233 goto exit;
234 }
235
236 mcu_txd = (struct mt7915_mcu_txd *)skb_push(skb, sizeof(*mcu_txd));
237
238 if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state)) {
239 txq = MT_TXQ_MCU_WA;
240 qidx = MT_TX_MCU_PORT_RX_Q0;
241 pkt_fmt = MT_TX_TYPE_CMD;
242 } else {
243 txq = MT_TXQ_MCU;
244 qidx = MT_TX_MCU_PORT_RX_Q0;
245 pkt_fmt = MT_TX_TYPE_CMD;
246 }
247
248 txd = mcu_txd->txd;
249
250 val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
251 FIELD_PREP(MT_TXD0_PKT_FMT, pkt_fmt) |
252 FIELD_PREP(MT_TXD0_Q_IDX, qidx);
253 txd[0] = cpu_to_le32(val);
254
255 val = MT_TXD1_LONG_FORMAT |
256 FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
257 txd[1] = cpu_to_le32(val);
258
259 mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
260 mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU, qidx));
261 mcu_txd->pkt_type = MCU_PKT_ID;
262 mcu_txd->seq = seq;
263
264 if (cmd < 0) {
265 mcu_txd->set_query = MCU_Q_NA;
266 mcu_txd->cid = -cmd;
267 } else {
268 mcu_txd->cid = MCU_CMD_EXT_CID;
269 mcu_txd->ext_cid = cmd;
270 mcu_txd->ext_cid_ack = 1;
271
272 /* do not use Q_SET for efuse */
273 if (cmd == MCU_EXT_CMD_EFUSE_ACCESS)
274 mcu_txd->set_query = MCU_Q_QUERY;
275 else
276 mcu_txd->set_query = MCU_Q_SET;
277 }
278
279 mcu_txd->s2d_index = MCU_S2D_H2N;
280 WARN_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS &&
281 mcu_txd->set_query != MCU_Q_QUERY);
282
283 exit:
284 if (wait_seq)
285 *wait_seq = seq;
286
287 return mt76_tx_queue_skb_raw(dev, txq, skb, 0);
288 }
289
290 static int
mt7915_mcu_parse_eeprom(struct mt7915_dev * dev,struct sk_buff * skb)291 mt7915_mcu_parse_eeprom(struct mt7915_dev *dev, struct sk_buff *skb)
292 {
293 struct mt7915_mcu_eeprom_info *res;
294 u8 *buf;
295
296 if (!skb)
297 return -EINVAL;
298
299 skb_pull(skb, sizeof(struct mt7915_mcu_rxd));
300
301 res = (struct mt7915_mcu_eeprom_info *)skb->data;
302 buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr);
303 memcpy(buf, res->data, 16);
304
305 return 0;
306 }
307
308 static int
mt7915_mcu_parse_response(struct mt7915_dev * dev,int cmd,struct sk_buff * skb,int seq)309 mt7915_mcu_parse_response(struct mt7915_dev *dev, int cmd,
310 struct sk_buff *skb, int seq)
311 {
312 struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
313 int ret = 0;
314
315 if (seq != rxd->seq) {
316 ret = -EAGAIN;
317 goto out;
318 }
319
320 switch (cmd) {
321 case -MCU_CMD_PATCH_SEM_CONTROL:
322 skb_pull(skb, sizeof(*rxd) - 4);
323 ret = *skb->data;
324 break;
325 case MCU_EXT_CMD_THERMAL_CTRL:
326 skb_pull(skb, sizeof(*rxd) + 4);
327 ret = le32_to_cpu(*(__le32 *)skb->data);
328 break;
329 case MCU_EXT_CMD_EFUSE_ACCESS:
330 ret = mt7915_mcu_parse_eeprom(dev, skb);
331 break;
332 default:
333 break;
334 }
335 out:
336 dev_kfree_skb(skb);
337
338 return ret;
339 }
340
341 static int
mt7915_mcu_wait_response(struct mt7915_dev * dev,int cmd,int seq)342 mt7915_mcu_wait_response(struct mt7915_dev *dev, int cmd, int seq)
343 {
344 unsigned long expires = jiffies + 20 * HZ;
345 struct sk_buff *skb;
346 int ret = 0;
347
348 while (true) {
349 skb = mt76_mcu_get_response(&dev->mt76, expires);
350 if (!skb) {
351 dev_err(dev->mt76.dev, "Message %d (seq %d) timeout\n",
352 cmd, seq);
353 return -ETIMEDOUT;
354 }
355
356 ret = mt7915_mcu_parse_response(dev, cmd, skb, seq);
357 if (ret != -EAGAIN)
358 break;
359 }
360
361 return ret;
362 }
363
364 static int
mt7915_mcu_send_message(struct mt76_dev * mdev,struct sk_buff * skb,int cmd,bool wait_resp)365 mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
366 int cmd, bool wait_resp)
367 {
368 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
369 int ret, seq;
370
371 mutex_lock(&mdev->mcu.mutex);
372
373 ret = __mt7915_mcu_msg_send(dev, skb, cmd, &seq);
374 if (ret)
375 goto out;
376
377 if (wait_resp)
378 ret = mt7915_mcu_wait_response(dev, cmd, seq);
379
380 out:
381 mutex_unlock(&mdev->mcu.mutex);
382
383 return ret;
384 }
385
386 static int
mt7915_mcu_msg_send(struct mt76_dev * mdev,int cmd,const void * data,int len,bool wait_resp)387 mt7915_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
388 int len, bool wait_resp)
389 {
390 struct sk_buff *skb;
391
392 skb = mt76_mcu_msg_alloc(mdev, data, len);
393 if (!skb)
394 return -ENOMEM;
395
396 return __mt76_mcu_skb_send_msg(mdev, skb, cmd, wait_resp);
397 }
398
399 static void
mt7915_mcu_csa_finish(void * priv,u8 * mac,struct ieee80211_vif * vif)400 mt7915_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
401 {
402 if (vif->csa_active)
403 ieee80211_csa_finish(vif);
404 }
405
406 static void
mt7915_mcu_rx_radar_detected(struct mt7915_dev * dev,struct sk_buff * skb)407 mt7915_mcu_rx_radar_detected(struct mt7915_dev *dev, struct sk_buff *skb)
408 {
409 struct mt76_phy *mphy = &dev->mt76.phy;
410 struct mt7915_mcu_rdd_report *r;
411
412 r = (struct mt7915_mcu_rdd_report *)skb->data;
413
414 if (r->idx && dev->mt76.phy2)
415 mphy = dev->mt76.phy2;
416
417 ieee80211_radar_detected(mphy->hw);
418 dev->hw_pattern++;
419 }
420
421 static void
mt7915_mcu_tx_rate_cal(struct mt76_phy * mphy,struct mt7915_mcu_ra_info * ra,struct rate_info * rate,u16 r)422 mt7915_mcu_tx_rate_cal(struct mt76_phy *mphy, struct mt7915_mcu_ra_info *ra,
423 struct rate_info *rate, u16 r)
424 {
425 struct ieee80211_supported_band *sband;
426 u16 ru_idx = le16_to_cpu(ra->ru_idx);
427 u16 flags = 0;
428
429 rate->mcs = FIELD_GET(MT_RA_RATE_MCS, r);
430 rate->nss = FIELD_GET(MT_RA_RATE_NSS, r) + 1;
431
432 switch (FIELD_GET(MT_RA_RATE_TX_MODE, r)) {
433 case MT_PHY_TYPE_CCK:
434 case MT_PHY_TYPE_OFDM:
435 if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
436 sband = &mphy->sband_5g.sband;
437 else
438 sband = &mphy->sband_2g.sband;
439
440 rate->legacy = sband->bitrates[rate->mcs].bitrate;
441 break;
442 case MT_PHY_TYPE_HT:
443 case MT_PHY_TYPE_HT_GF:
444 rate->mcs += (rate->nss - 1) * 8;
445 flags |= RATE_INFO_FLAGS_MCS;
446
447 if (ra->gi)
448 flags |= RATE_INFO_FLAGS_SHORT_GI;
449 break;
450 case MT_PHY_TYPE_VHT:
451 flags |= RATE_INFO_FLAGS_VHT_MCS;
452
453 if (ra->gi)
454 flags |= RATE_INFO_FLAGS_SHORT_GI;
455 break;
456 case MT_PHY_TYPE_HE_SU:
457 case MT_PHY_TYPE_HE_EXT_SU:
458 case MT_PHY_TYPE_HE_TB:
459 case MT_PHY_TYPE_HE_MU:
460 rate->he_gi = ra->gi;
461 rate->he_dcm = FIELD_GET(MT_RA_RATE_DCM_EN, r);
462
463 flags |= RATE_INFO_FLAGS_HE_MCS;
464 break;
465 default:
466 break;
467 }
468 rate->flags = flags;
469
470 if (ru_idx) {
471 switch (ru_idx) {
472 case 1 ... 2:
473 rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_996;
474 break;
475 case 3 ... 6:
476 rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_484;
477 break;
478 case 7 ... 14:
479 rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_242;
480 break;
481 default:
482 rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106;
483 break;
484 }
485 rate->bw = RATE_INFO_BW_HE_RU;
486 } else {
487 u8 bw = mt7915_mcu_chan_bw(&mphy->chandef) -
488 FIELD_GET(MT_RA_RATE_BW, r);
489
490 switch (bw) {
491 case IEEE80211_STA_RX_BW_160:
492 rate->bw = RATE_INFO_BW_160;
493 break;
494 case IEEE80211_STA_RX_BW_80:
495 rate->bw = RATE_INFO_BW_80;
496 break;
497 case IEEE80211_STA_RX_BW_40:
498 rate->bw = RATE_INFO_BW_40;
499 break;
500 default:
501 rate->bw = RATE_INFO_BW_20;
502 break;
503 }
504 }
505 }
506
507 static void
mt7915_mcu_tx_rate_report(struct mt7915_dev * dev,struct sk_buff * skb)508 mt7915_mcu_tx_rate_report(struct mt7915_dev *dev, struct sk_buff *skb)
509 {
510 struct mt7915_mcu_ra_info *ra = (struct mt7915_mcu_ra_info *)skb->data;
511 struct rate_info rate = {}, prob_rate = {};
512 u16 probe = le16_to_cpu(ra->prob_up_rate);
513 u16 attempts = le16_to_cpu(ra->attempts);
514 u16 curr = le16_to_cpu(ra->curr_rate);
515 u16 wcidx = le16_to_cpu(ra->wlan_idx);
516 struct mt76_phy *mphy = &dev->mphy;
517 struct mt7915_sta_stats *stats;
518 struct mt7915_sta *msta;
519 struct mt76_wcid *wcid;
520
521 if (wcidx >= MT76_N_WCIDS)
522 return;
523
524 wcid = rcu_dereference(dev->mt76.wcid[wcidx]);
525 if (!wcid)
526 return;
527
528 msta = container_of(wcid, struct mt7915_sta, wcid);
529 stats = &msta->stats;
530
531 if (msta->wcid.ext_phy && dev->mt76.phy2)
532 mphy = dev->mt76.phy2;
533
534 /* current rate */
535 mt7915_mcu_tx_rate_cal(mphy, ra, &rate, curr);
536 stats->tx_rate = rate;
537
538 /* probing rate */
539 mt7915_mcu_tx_rate_cal(mphy, ra, &prob_rate, probe);
540 stats->prob_rate = prob_rate;
541
542 if (attempts) {
543 u16 success = le16_to_cpu(ra->success);
544
545 stats->per = 1000 * (attempts - success) / attempts;
546 }
547 }
548
549 static void
mt7915_mcu_rx_log_message(struct mt7915_dev * dev,struct sk_buff * skb)550 mt7915_mcu_rx_log_message(struct mt7915_dev *dev, struct sk_buff *skb)
551 {
552 struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
553 const char *data = (char *)&rxd[1];
554 const char *type;
555
556 switch (rxd->s2d_index) {
557 case 0:
558 type = "WM";
559 break;
560 case 2:
561 type = "WA";
562 break;
563 default:
564 type = "unknown";
565 break;
566 }
567
568 wiphy_info(mt76_hw(dev)->wiphy, "%s: %s", type, data);
569 }
570
571 static void
mt7915_mcu_rx_ext_event(struct mt7915_dev * dev,struct sk_buff * skb)572 mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
573 {
574 struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
575
576 switch (rxd->ext_eid) {
577 case MCU_EXT_EVENT_RDD_REPORT:
578 mt7915_mcu_rx_radar_detected(dev, skb);
579 break;
580 case MCU_EXT_EVENT_CSA_NOTIFY:
581 ieee80211_iterate_active_interfaces_atomic(dev->mt76.hw,
582 IEEE80211_IFACE_ITER_RESUME_ALL,
583 mt7915_mcu_csa_finish, dev);
584 break;
585 case MCU_EXT_EVENT_RATE_REPORT:
586 mt7915_mcu_tx_rate_report(dev, skb);
587 break;
588 case MCU_EXT_EVENT_FW_LOG_2_HOST:
589 mt7915_mcu_rx_log_message(dev, skb);
590 break;
591 default:
592 break;
593 }
594 }
595
596 static void
mt7915_mcu_rx_unsolicited_event(struct mt7915_dev * dev,struct sk_buff * skb)597 mt7915_mcu_rx_unsolicited_event(struct mt7915_dev *dev, struct sk_buff *skb)
598 {
599 struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
600
601 switch (rxd->eid) {
602 case MCU_EVENT_EXT:
603 mt7915_mcu_rx_ext_event(dev, skb);
604 break;
605 default:
606 break;
607 }
608 dev_kfree_skb(skb);
609 }
610
mt7915_mcu_rx_event(struct mt7915_dev * dev,struct sk_buff * skb)611 void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb)
612 {
613 struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
614
615 if (rxd->ext_eid == MCU_EXT_EVENT_THERMAL_PROTECT ||
616 rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||
617 rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP ||
618 rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||
619 rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
620 !rxd->seq)
621 mt7915_mcu_rx_unsolicited_event(dev, skb);
622 else
623 mt76_mcu_rx_event(&dev->mt76, skb);
624 }
625
626 static struct sk_buff *
mt7915_mcu_alloc_sta_req(struct mt7915_dev * dev,struct mt7915_vif * mvif,struct mt7915_sta * msta,int len)627 mt7915_mcu_alloc_sta_req(struct mt7915_dev *dev, struct mt7915_vif *mvif,
628 struct mt7915_sta *msta, int len)
629 {
630 struct sta_req_hdr hdr = {
631 .bss_idx = mvif->idx,
632 .wlan_idx_lo = msta ? to_wcid_lo(msta->wcid.idx) : 0,
633 .wlan_idx_hi = msta ? to_wcid_hi(msta->wcid.idx) : 0,
634 .muar_idx = msta && msta->wcid.sta ? mvif->omac_idx : 0xe,
635 .is_tlv_append = 1,
636 };
637 struct sk_buff *skb;
638
639 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
640 if (!skb)
641 return ERR_PTR(-ENOMEM);
642
643 skb_put_data(skb, &hdr, sizeof(hdr));
644
645 return skb;
646 }
647
648 static struct wtbl_req_hdr *
mt7915_mcu_alloc_wtbl_req(struct mt7915_dev * dev,struct mt7915_sta * msta,int cmd,void * sta_wtbl,struct sk_buff ** skb)649 mt7915_mcu_alloc_wtbl_req(struct mt7915_dev *dev, struct mt7915_sta *msta,
650 int cmd, void *sta_wtbl, struct sk_buff **skb)
651 {
652 struct tlv *sta_hdr = sta_wtbl;
653 struct wtbl_req_hdr hdr = {
654 .wlan_idx_lo = to_wcid_lo(msta->wcid.idx),
655 .wlan_idx_hi = to_wcid_hi(msta->wcid.idx),
656 .operation = cmd,
657 };
658 struct sk_buff *nskb = *skb;
659
660 if (!nskb) {
661 nskb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
662 MT7915_WTBL_UPDATE_BA_SIZE);
663 if (!nskb)
664 return ERR_PTR(-ENOMEM);
665
666 *skb = nskb;
667 }
668
669 if (sta_hdr)
670 le16_add_cpu(&sta_hdr->len, sizeof(hdr));
671
672 return skb_put_data(nskb, &hdr, sizeof(hdr));
673 }
674
675 static struct tlv *
mt7915_mcu_add_nested_tlv(struct sk_buff * skb,int tag,int len,void * sta_ntlv,void * sta_wtbl)676 mt7915_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len,
677 void *sta_ntlv, void *sta_wtbl)
678 {
679 struct sta_ntlv_hdr *ntlv_hdr = sta_ntlv;
680 struct tlv *sta_hdr = sta_wtbl;
681 struct tlv *ptlv, tlv = {
682 .tag = cpu_to_le16(tag),
683 .len = cpu_to_le16(len),
684 };
685 u16 ntlv;
686
687 ptlv = skb_put(skb, len);
688 memcpy(ptlv, &tlv, sizeof(tlv));
689
690 ntlv = le16_to_cpu(ntlv_hdr->tlv_num);
691 ntlv_hdr->tlv_num = cpu_to_le16(ntlv + 1);
692
693 if (sta_hdr) {
694 u16 size = le16_to_cpu(sta_hdr->len);
695
696 sta_hdr->len = cpu_to_le16(size + len);
697 }
698
699 return ptlv;
700 }
701
702 static struct tlv *
mt7915_mcu_add_tlv(struct sk_buff * skb,int tag,int len)703 mt7915_mcu_add_tlv(struct sk_buff *skb, int tag, int len)
704 {
705 return mt7915_mcu_add_nested_tlv(skb, tag, len, skb->data, NULL);
706 }
707
708 static struct tlv *
mt7915_mcu_add_nested_subtlv(struct sk_buff * skb,int sub_tag,int sub_len,__le16 * sub_ntlv,__le16 * len)709 mt7915_mcu_add_nested_subtlv(struct sk_buff *skb, int sub_tag, int sub_len,
710 __le16 *sub_ntlv, __le16 *len)
711 {
712 struct tlv *ptlv, tlv = {
713 .tag = cpu_to_le16(sub_tag),
714 .len = cpu_to_le16(sub_len),
715 };
716
717 ptlv = skb_put(skb, sub_len);
718 memcpy(ptlv, &tlv, sizeof(tlv));
719
720 le16_add_cpu(sub_ntlv, 1);
721 le16_add_cpu(len, sub_len);
722
723 return ptlv;
724 }
725
726 /** bss info **/
727 static int
mt7915_mcu_bss_basic_tlv(struct sk_buff * skb,struct ieee80211_vif * vif,struct mt7915_phy * phy,bool enable)728 mt7915_mcu_bss_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
729 struct mt7915_phy *phy, bool enable)
730 {
731 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
732 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
733 enum nl80211_band band = chandef->chan->band;
734 struct bss_info_basic *bss;
735 u16 wlan_idx = mvif->sta.wcid.idx;
736 u32 type = NETWORK_INFRA;
737 struct tlv *tlv;
738
739 tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_BASIC, sizeof(*bss));
740
741 switch (vif->type) {
742 case NL80211_IFTYPE_MESH_POINT:
743 case NL80211_IFTYPE_AP:
744 break;
745 case NL80211_IFTYPE_STATION:
746 /* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
747 if (enable) {
748 struct ieee80211_sta *sta;
749 struct mt7915_sta *msta;
750
751 rcu_read_lock();
752 sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
753 if (!sta) {
754 rcu_read_unlock();
755 return -EINVAL;
756 }
757
758 msta = (struct mt7915_sta *)sta->drv_priv;
759 wlan_idx = msta->wcid.idx;
760 rcu_read_unlock();
761 }
762 break;
763 case NL80211_IFTYPE_ADHOC:
764 type = NETWORK_IBSS;
765 break;
766 default:
767 WARN_ON(1);
768 break;
769 }
770
771 bss = (struct bss_info_basic *)tlv;
772 memcpy(bss->bssid, vif->bss_conf.bssid, ETH_ALEN);
773 bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
774 bss->network_type = cpu_to_le32(type);
775 bss->dtim_period = vif->bss_conf.dtim_period;
776 bss->bmc_wcid_lo = to_wcid_lo(wlan_idx);
777 bss->bmc_wcid_hi = to_wcid_hi(wlan_idx);
778 bss->phy_mode = mt7915_get_phy_mode(phy->dev, vif, band, NULL);
779 bss->wmm_idx = mvif->wmm_idx;
780 bss->active = enable;
781
782 return 0;
783 }
784
785 static void
mt7915_mcu_bss_omac_tlv(struct sk_buff * skb,struct ieee80211_vif * vif)786 mt7915_mcu_bss_omac_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
787 {
788 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
789 struct bss_info_omac *omac;
790 struct tlv *tlv;
791 u32 type = 0;
792 u8 idx;
793
794 tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_OMAC, sizeof(*omac));
795
796 switch (vif->type) {
797 case NL80211_IFTYPE_MESH_POINT:
798 case NL80211_IFTYPE_AP:
799 type = CONNECTION_INFRA_AP;
800 break;
801 case NL80211_IFTYPE_STATION:
802 type = CONNECTION_INFRA_STA;
803 break;
804 case NL80211_IFTYPE_ADHOC:
805 type = CONNECTION_IBSS_ADHOC;
806 break;
807 default:
808 WARN_ON(1);
809 break;
810 }
811
812 omac = (struct bss_info_omac *)tlv;
813 idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
814 omac->conn_type = cpu_to_le32(type);
815 omac->omac_idx = mvif->omac_idx;
816 omac->band_idx = mvif->band_idx;
817 omac->hw_bss_idx = idx;
818 }
819
820 struct mt7915_he_obss_narrow_bw_ru_data {
821 bool tolerated;
822 };
823
mt7915_check_he_obss_narrow_bw_ru_iter(struct wiphy * wiphy,struct cfg80211_bss * bss,void * _data)824 static void mt7915_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy,
825 struct cfg80211_bss *bss,
826 void *_data)
827 {
828 struct mt7915_he_obss_narrow_bw_ru_data *data = _data;
829 const struct element *elem;
830
831 elem = ieee80211_bss_get_elem(bss, WLAN_EID_EXT_CAPABILITY);
832
833 if (!elem || elem->datalen <= 10 ||
834 !(elem->data[10] &
835 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT))
836 data->tolerated = false;
837 }
838
mt7915_check_he_obss_narrow_bw_ru(struct ieee80211_hw * hw,struct ieee80211_vif * vif)839 static bool mt7915_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw,
840 struct ieee80211_vif *vif)
841 {
842 struct mt7915_he_obss_narrow_bw_ru_data iter_data = {
843 .tolerated = true,
844 };
845
846 if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR))
847 return false;
848
849 cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef,
850 mt7915_check_he_obss_narrow_bw_ru_iter,
851 &iter_data);
852
853 /*
854 * If there is at least one AP on radar channel that cannot
855 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU.
856 */
857 return !iter_data.tolerated;
858 }
859
860 static void
mt7915_mcu_bss_rfch_tlv(struct sk_buff * skb,struct ieee80211_vif * vif,struct mt7915_phy * phy)861 mt7915_mcu_bss_rfch_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
862 struct mt7915_phy *phy)
863 {
864 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
865 struct bss_info_rf_ch *ch;
866 struct tlv *tlv;
867 int freq1 = chandef->center_freq1;
868
869 tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_RF_CH, sizeof(*ch));
870
871 ch = (struct bss_info_rf_ch *)tlv;
872 ch->pri_ch = chandef->chan->hw_value;
873 ch->center_ch0 = ieee80211_frequency_to_channel(freq1);
874 ch->bw = mt7915_mcu_chan_bw(chandef);
875
876 if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
877 int freq2 = chandef->center_freq2;
878
879 ch->center_ch1 = ieee80211_frequency_to_channel(freq2);
880 }
881
882 if (vif->bss_conf.he_support && vif->type == NL80211_IFTYPE_STATION) {
883 struct mt7915_dev *dev = phy->dev;
884 struct mt76_phy *mphy = &dev->mt76.phy;
885 bool ext_phy = phy != &dev->phy;
886
887 if (ext_phy && dev->mt76.phy2)
888 mphy = dev->mt76.phy2;
889
890 ch->he_ru26_block =
891 mt7915_check_he_obss_narrow_bw_ru(mphy->hw, vif);
892 ch->he_all_disable = false;
893 } else {
894 ch->he_all_disable = true;
895 }
896 }
897
898 static void
mt7915_mcu_bss_ra_tlv(struct sk_buff * skb,struct ieee80211_vif * vif,struct mt7915_phy * phy)899 mt7915_mcu_bss_ra_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
900 struct mt7915_phy *phy)
901 {
902 struct bss_info_ra *ra;
903 struct tlv *tlv;
904 int max_nss = hweight8(phy->chainmask);
905
906 tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_RA, sizeof(*ra));
907
908 ra = (struct bss_info_ra *)tlv;
909 ra->op_mode = vif->type == NL80211_IFTYPE_AP;
910 ra->adhoc_en = vif->type == NL80211_IFTYPE_ADHOC;
911 ra->short_preamble = true;
912 ra->tx_streams = max_nss;
913 ra->rx_streams = max_nss;
914 ra->algo = 4;
915 ra->train_up_rule = 2;
916 ra->train_up_high_thres = 110;
917 ra->train_up_rule_rssi = -70;
918 ra->low_traffic_thres = 2;
919 ra->phy_cap = cpu_to_le32(0xfdf);
920 ra->interval = cpu_to_le32(500);
921 ra->fast_interval = cpu_to_le32(100);
922 }
923
924 static void
mt7915_mcu_bss_he_tlv(struct sk_buff * skb,struct ieee80211_vif * vif,struct mt7915_phy * phy)925 mt7915_mcu_bss_he_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
926 struct mt7915_phy *phy)
927 {
928 #define DEFAULT_HE_PE_DURATION 4
929 #define DEFAULT_HE_DURATION_RTS_THRES 1023
930 const struct ieee80211_sta_he_cap *cap;
931 struct bss_info_he *he;
932 struct tlv *tlv;
933
934 cap = mt7915_get_he_phy_cap(phy, vif);
935
936 tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_HE_BASIC, sizeof(*he));
937
938 he = (struct bss_info_he *)tlv;
939 he->he_pe_duration = vif->bss_conf.htc_trig_based_pkt_ext;
940 if (!he->he_pe_duration)
941 he->he_pe_duration = DEFAULT_HE_PE_DURATION;
942
943 he->he_rts_thres = cpu_to_le16(vif->bss_conf.frame_time_rts_th);
944 if (!he->he_rts_thres)
945 he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES);
946
947 he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80;
948 he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160;
949 he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80;
950 }
951
952 static void
mt7915_mcu_bss_hw_amsdu_tlv(struct sk_buff * skb)953 mt7915_mcu_bss_hw_amsdu_tlv(struct sk_buff *skb)
954 {
955 #define TXD_CMP_MAP1 GENMASK(15, 0)
956 #define TXD_CMP_MAP2 (GENMASK(31, 0) & ~BIT(23))
957 struct bss_info_hw_amsdu *amsdu;
958 struct tlv *tlv;
959
960 tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_HW_AMSDU, sizeof(*amsdu));
961
962 amsdu = (struct bss_info_hw_amsdu *)tlv;
963 amsdu->cmp_bitmap_0 = cpu_to_le32(TXD_CMP_MAP1);
964 amsdu->cmp_bitmap_1 = cpu_to_le32(TXD_CMP_MAP2);
965 amsdu->trig_thres = cpu_to_le16(2);
966 amsdu->enable = true;
967 }
968
969 static void
mt7915_mcu_bss_ext_tlv(struct sk_buff * skb,struct mt7915_vif * mvif)970 mt7915_mcu_bss_ext_tlv(struct sk_buff *skb, struct mt7915_vif *mvif)
971 {
972 /* SIFS 20us + 512 byte beacon tranmitted by 1Mbps (3906us) */
973 #define BCN_TX_ESTIMATE_TIME (4096 + 20)
974 struct bss_info_ext_bss *ext;
975 int ext_bss_idx, tsf_offset;
976 struct tlv *tlv;
977
978 ext_bss_idx = mvif->omac_idx - EXT_BSSID_START;
979 if (ext_bss_idx < 0)
980 return;
981
982 tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_EXT_BSS, sizeof(*ext));
983
984 ext = (struct bss_info_ext_bss *)tlv;
985 tsf_offset = ext_bss_idx * BCN_TX_ESTIMATE_TIME;
986 ext->mbss_tsf_offset = cpu_to_le32(tsf_offset);
987 }
988
989 static void
mt7915_mcu_bss_bmc_tlv(struct sk_buff * skb,struct mt7915_phy * phy)990 mt7915_mcu_bss_bmc_tlv(struct sk_buff *skb, struct mt7915_phy *phy)
991 {
992 struct bss_info_bmc_rate *bmc;
993 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
994 enum nl80211_band band = chandef->chan->band;
995 struct tlv *tlv;
996
997 tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_BMC_RATE, sizeof(*bmc));
998
999 bmc = (struct bss_info_bmc_rate *)tlv;
1000 if (band == NL80211_BAND_2GHZ) {
1001 bmc->short_preamble = true;
1002 } else {
1003 bmc->bc_trans = cpu_to_le16(0x2000);
1004 bmc->mc_trans = cpu_to_le16(0x2080);
1005 }
1006 }
1007
1008 static void
mt7915_mcu_bss_sync_tlv(struct sk_buff * skb,struct ieee80211_vif * vif)1009 mt7915_mcu_bss_sync_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
1010 {
1011 struct bss_info_sync_mode *sync;
1012 struct tlv *tlv;
1013
1014 tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_SYNC_MODE, sizeof(*sync));
1015
1016 sync = (struct bss_info_sync_mode *)tlv;
1017 sync->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
1018 sync->dtim_period = vif->bss_conf.dtim_period;
1019 sync->enable = true;
1020 }
1021
mt7915_mcu_add_bss_info(struct mt7915_phy * phy,struct ieee80211_vif * vif,int enable)1022 int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
1023 struct ieee80211_vif *vif, int enable)
1024 {
1025 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1026 struct sk_buff *skb;
1027
1028 skb = mt7915_mcu_alloc_sta_req(phy->dev, mvif, NULL,
1029 MT7915_BSS_UPDATE_MAX_SIZE);
1030 if (IS_ERR(skb))
1031 return PTR_ERR(skb);
1032
1033 /* bss_omac must be first */
1034 if (enable)
1035 mt7915_mcu_bss_omac_tlv(skb, vif);
1036
1037 mt7915_mcu_bss_basic_tlv(skb, vif, phy, enable);
1038
1039 if (enable) {
1040 mt7915_mcu_bss_rfch_tlv(skb, vif, phy);
1041 mt7915_mcu_bss_bmc_tlv(skb, phy);
1042 mt7915_mcu_bss_ra_tlv(skb, vif, phy);
1043 mt7915_mcu_bss_hw_amsdu_tlv(skb);
1044
1045 if (vif->bss_conf.he_support)
1046 mt7915_mcu_bss_he_tlv(skb, vif, phy);
1047
1048 if (mvif->omac_idx > HW_BSSID_MAX)
1049 mt7915_mcu_bss_ext_tlv(skb, mvif);
1050 else
1051 mt7915_mcu_bss_sync_tlv(skb, vif);
1052 }
1053
1054 return __mt76_mcu_skb_send_msg(&phy->dev->mt76, skb,
1055 MCU_EXT_CMD_BSS_INFO_UPDATE, true);
1056 }
1057
1058 /** starec & wtbl **/
1059 static int
mt7915_mcu_sta_key_tlv(struct sk_buff * skb,struct ieee80211_key_conf * key,enum set_key_cmd cmd)1060 mt7915_mcu_sta_key_tlv(struct sk_buff *skb, struct ieee80211_key_conf *key,
1061 enum set_key_cmd cmd)
1062 {
1063 struct sta_rec_sec *sec;
1064 struct tlv *tlv;
1065 u32 len = sizeof(*sec);
1066
1067 tlv = mt7915_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec));
1068
1069 sec = (struct sta_rec_sec *)tlv;
1070 sec->add = cmd;
1071
1072 if (cmd == SET_KEY) {
1073 struct sec_key *sec_key;
1074 u8 cipher;
1075
1076 cipher = mt7915_mcu_get_cipher(key->cipher);
1077 if (cipher == MT_CIPHER_NONE)
1078 return -EOPNOTSUPP;
1079
1080 sec_key = &sec->key[0];
1081 sec_key->cipher_len = sizeof(*sec_key);
1082 sec_key->key_id = key->keyidx;
1083
1084 if (cipher == MT_CIPHER_BIP_CMAC_128) {
1085 sec_key->cipher_id = MT_CIPHER_AES_CCMP;
1086 sec_key->key_len = 16;
1087 memcpy(sec_key->key, key->key, 16);
1088
1089 sec_key = &sec->key[1];
1090 sec_key->cipher_id = MT_CIPHER_BIP_CMAC_128;
1091 sec_key->cipher_len = sizeof(*sec_key);
1092 sec_key->key_len = 16;
1093 memcpy(sec_key->key, key->key + 16, 16);
1094
1095 sec->n_cipher = 2;
1096 } else {
1097 sec_key->cipher_id = cipher;
1098 sec_key->key_len = key->keylen;
1099 memcpy(sec_key->key, key->key, key->keylen);
1100
1101 if (cipher == MT_CIPHER_TKIP) {
1102 /* Rx/Tx MIC keys are swapped */
1103 memcpy(sec_key->key + 16, key->key + 24, 8);
1104 memcpy(sec_key->key + 24, key->key + 16, 8);
1105 }
1106
1107 len -= sizeof(*sec_key);
1108 sec->n_cipher = 1;
1109 }
1110 } else {
1111 len -= sizeof(sec->key);
1112 sec->n_cipher = 0;
1113 }
1114 sec->len = cpu_to_le16(len);
1115
1116 return 0;
1117 }
1118
mt7915_mcu_add_key(struct mt7915_dev * dev,struct ieee80211_vif * vif,struct mt7915_sta * msta,struct ieee80211_key_conf * key,enum set_key_cmd cmd)1119 int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
1120 struct mt7915_sta *msta, struct ieee80211_key_conf *key,
1121 enum set_key_cmd cmd)
1122 {
1123 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1124 struct sk_buff *skb;
1125 int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_sec);
1126 int ret;
1127
1128 skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
1129 if (IS_ERR(skb))
1130 return PTR_ERR(skb);
1131
1132 ret = mt7915_mcu_sta_key_tlv(skb, key, cmd);
1133 if (ret)
1134 return ret;
1135
1136 return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
1137 MCU_EXT_CMD_STA_REC_UPDATE, true);
1138 }
1139
1140 static void
mt7915_mcu_sta_ba_tlv(struct sk_buff * skb,struct ieee80211_ampdu_params * params,bool enable,bool tx)1141 mt7915_mcu_sta_ba_tlv(struct sk_buff *skb,
1142 struct ieee80211_ampdu_params *params,
1143 bool enable, bool tx)
1144 {
1145 struct sta_rec_ba *ba;
1146 struct tlv *tlv;
1147
1148 tlv = mt7915_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba));
1149
1150 ba = (struct sta_rec_ba *)tlv;
1151 ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT,
1152 ba->winsize = cpu_to_le16(params->buf_size);
1153 ba->ssn = cpu_to_le16(params->ssn);
1154 ba->ba_en = enable << params->tid;
1155 ba->amsdu = params->amsdu;
1156 ba->tid = params->tid;
1157 }
1158
1159 static void
mt7915_mcu_wtbl_ba_tlv(struct sk_buff * skb,struct ieee80211_ampdu_params * params,bool enable,bool tx,void * sta_wtbl,void * wtbl_tlv)1160 mt7915_mcu_wtbl_ba_tlv(struct sk_buff *skb,
1161 struct ieee80211_ampdu_params *params,
1162 bool enable, bool tx, void *sta_wtbl,
1163 void *wtbl_tlv)
1164 {
1165 struct wtbl_ba *ba;
1166 struct tlv *tlv;
1167
1168 tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_BA, sizeof(*ba),
1169 wtbl_tlv, sta_wtbl);
1170
1171 ba = (struct wtbl_ba *)tlv;
1172 ba->tid = params->tid;
1173
1174 if (tx) {
1175 ba->ba_type = MT_BA_TYPE_ORIGINATOR;
1176 ba->sn = enable ? cpu_to_le16(params->ssn) : 0;
1177 ba->ba_en = enable;
1178 } else {
1179 memcpy(ba->peer_addr, params->sta->addr, ETH_ALEN);
1180 ba->ba_type = MT_BA_TYPE_RECIPIENT;
1181 ba->rst_ba_tid = params->tid;
1182 ba->rst_ba_sel = RST_BA_MAC_TID_MATCH;
1183 ba->rst_ba_sb = 1;
1184 }
1185
1186 if (enable && tx)
1187 ba->ba_winsize = cpu_to_le16(params->buf_size);
1188 }
1189
1190 static int
mt7915_mcu_sta_ba(struct mt7915_dev * dev,struct ieee80211_ampdu_params * params,bool enable,bool tx)1191 mt7915_mcu_sta_ba(struct mt7915_dev *dev,
1192 struct ieee80211_ampdu_params *params,
1193 bool enable, bool tx)
1194 {
1195 struct mt7915_sta *msta = (struct mt7915_sta *)params->sta->drv_priv;
1196 struct mt7915_vif *mvif = msta->vif;
1197 struct wtbl_req_hdr *wtbl_hdr;
1198 struct tlv *sta_wtbl;
1199 struct sk_buff *skb;
1200 int ret;
1201
1202 if (enable && tx && !params->amsdu)
1203 msta->wcid.amsdu = false;
1204
1205 skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
1206 MT7915_STA_UPDATE_MAX_SIZE);
1207 if (IS_ERR(skb))
1208 return PTR_ERR(skb);
1209
1210 sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
1211
1212 wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
1213 &skb);
1214 mt7915_mcu_wtbl_ba_tlv(skb, params, enable, tx, sta_wtbl, wtbl_hdr);
1215
1216 ret = __mt76_mcu_skb_send_msg(&dev->mt76, skb,
1217 MCU_EXT_CMD_STA_REC_UPDATE, true);
1218 if (ret)
1219 return ret;
1220
1221 skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
1222 MT7915_STA_UPDATE_MAX_SIZE);
1223 if (IS_ERR(skb))
1224 return PTR_ERR(skb);
1225
1226 mt7915_mcu_sta_ba_tlv(skb, params, enable, tx);
1227
1228 return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
1229 MCU_EXT_CMD_STA_REC_UPDATE, true);
1230 }
1231
mt7915_mcu_add_tx_ba(struct mt7915_dev * dev,struct ieee80211_ampdu_params * params,bool enable)1232 int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
1233 struct ieee80211_ampdu_params *params,
1234 bool enable)
1235 {
1236 return mt7915_mcu_sta_ba(dev, params, enable, true);
1237 }
1238
mt7915_mcu_add_rx_ba(struct mt7915_dev * dev,struct ieee80211_ampdu_params * params,bool enable)1239 int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
1240 struct ieee80211_ampdu_params *params,
1241 bool enable)
1242 {
1243 return mt7915_mcu_sta_ba(dev, params, enable, false);
1244 }
1245
1246 static void
mt7915_mcu_wtbl_generic_tlv(struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_sta * sta,void * sta_wtbl,void * wtbl_tlv)1247 mt7915_mcu_wtbl_generic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
1248 struct ieee80211_sta *sta, void *sta_wtbl,
1249 void *wtbl_tlv)
1250 {
1251 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1252 struct wtbl_generic *generic;
1253 struct wtbl_rx *rx;
1254 struct tlv *tlv;
1255
1256 tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_GENERIC, sizeof(*generic),
1257 wtbl_tlv, sta_wtbl);
1258
1259 generic = (struct wtbl_generic *)tlv;
1260
1261 if (sta) {
1262 memcpy(generic->peer_addr, sta->addr, ETH_ALEN);
1263 generic->partial_aid = cpu_to_le16(sta->aid);
1264 generic->muar_idx = mvif->omac_idx;
1265 generic->qos = sta->wme;
1266 } else {
1267 /* use BSSID in station mode */
1268 if (vif->type == NL80211_IFTYPE_STATION)
1269 memcpy(generic->peer_addr, vif->bss_conf.bssid,
1270 ETH_ALEN);
1271 else
1272 eth_broadcast_addr(generic->peer_addr);
1273
1274 generic->muar_idx = 0xe;
1275 }
1276
1277 tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_RX, sizeof(*rx),
1278 wtbl_tlv, sta_wtbl);
1279
1280 rx = (struct wtbl_rx *)tlv;
1281 rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1;
1282 rx->rca2 = 1;
1283 rx->rv = 1;
1284 }
1285
1286 static void
mt7915_mcu_sta_basic_tlv(struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enable)1287 mt7915_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
1288 struct ieee80211_sta *sta, bool enable)
1289 {
1290 #define EXTRA_INFO_VER BIT(0)
1291 #define EXTRA_INFO_NEW BIT(1)
1292 struct sta_rec_basic *basic;
1293 struct tlv *tlv;
1294
1295 tlv = mt7915_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic));
1296
1297 basic = (struct sta_rec_basic *)tlv;
1298 basic->extra_info = cpu_to_le16(EXTRA_INFO_VER);
1299
1300 if (enable) {
1301 basic->extra_info |= cpu_to_le16(EXTRA_INFO_NEW);
1302 basic->conn_state = CONN_STATE_PORT_SECURE;
1303 } else {
1304 basic->conn_state = CONN_STATE_DISCONNECT;
1305 }
1306
1307 if (!sta) {
1308 basic->conn_type = cpu_to_le32(CONNECTION_INFRA_BC);
1309 eth_broadcast_addr(basic->peer_addr);
1310 return;
1311 }
1312
1313 switch (vif->type) {
1314 case NL80211_IFTYPE_MESH_POINT:
1315 case NL80211_IFTYPE_AP:
1316 basic->conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
1317 break;
1318 case NL80211_IFTYPE_STATION:
1319 basic->conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
1320 break;
1321 case NL80211_IFTYPE_ADHOC:
1322 basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
1323 break;
1324 default:
1325 WARN_ON(1);
1326 break;
1327 }
1328
1329 memcpy(basic->peer_addr, sta->addr, ETH_ALEN);
1330 basic->aid = cpu_to_le16(sta->aid);
1331 basic->qos = sta->wme;
1332 }
1333
1334 static void
mt7915_mcu_sta_he_tlv(struct sk_buff * skb,struct ieee80211_sta * sta)1335 mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
1336 {
1337 struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
1338 struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
1339 struct sta_rec_he *he;
1340 struct tlv *tlv;
1341 u32 cap = 0;
1342
1343 tlv = mt7915_mcu_add_tlv(skb, STA_REC_HE, sizeof(*he));
1344
1345 he = (struct sta_rec_he *)tlv;
1346
1347 if (elem->mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE)
1348 cap |= STA_REC_HE_CAP_HTC;
1349
1350 if (elem->mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR)
1351 cap |= STA_REC_HE_CAP_BSR;
1352
1353 if (elem->mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL)
1354 cap |= STA_REC_HE_CAP_OM;
1355
1356 if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU)
1357 cap |= STA_REC_HE_CAP_AMSDU_IN_AMPDU;
1358
1359 if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR)
1360 cap |= STA_REC_HE_CAP_BQR;
1361
1362 if (elem->phy_cap_info[0] &
1363 (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G |
1364 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G))
1365 cap |= STA_REC_HE_CAP_BW20_RU242_SUPPORT;
1366
1367 if (elem->phy_cap_info[1] &
1368 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD)
1369 cap |= STA_REC_HE_CAP_LDPC;
1370
1371 if (elem->phy_cap_info[1] &
1372 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US)
1373 cap |= STA_REC_HE_CAP_SU_PPDU_1LTF_8US_GI;
1374
1375 if (elem->phy_cap_info[2] &
1376 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US)
1377 cap |= STA_REC_HE_CAP_NDP_4LTF_3DOT2MS_GI;
1378
1379 if (elem->phy_cap_info[2] &
1380 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ)
1381 cap |= STA_REC_HE_CAP_LE_EQ_80M_TX_STBC;
1382
1383 if (elem->phy_cap_info[2] &
1384 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ)
1385 cap |= STA_REC_HE_CAP_LE_EQ_80M_RX_STBC;
1386
1387 if (elem->phy_cap_info[6] &
1388 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE)
1389 cap |= STA_REC_HE_CAP_PARTIAL_BW_EXT_RANGE;
1390
1391 if (elem->phy_cap_info[7] &
1392 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI)
1393 cap |= STA_REC_HE_CAP_SU_MU_PPDU_4LTF_8US_GI;
1394
1395 if (elem->phy_cap_info[7] &
1396 IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ)
1397 cap |= STA_REC_HE_CAP_GT_80M_TX_STBC;
1398
1399 if (elem->phy_cap_info[7] &
1400 IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ)
1401 cap |= STA_REC_HE_CAP_GT_80M_RX_STBC;
1402
1403 if (elem->phy_cap_info[8] &
1404 IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI)
1405 cap |= STA_REC_HE_CAP_ER_SU_PPDU_4LTF_8US_GI;
1406
1407 if (elem->phy_cap_info[8] &
1408 IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI)
1409 cap |= STA_REC_HE_CAP_ER_SU_PPDU_1LTF_8US_GI;
1410
1411 if (elem->phy_cap_info[9] &
1412 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK)
1413 cap |= STA_REC_HE_CAP_TRIG_CQI_FK;
1414
1415 if (elem->phy_cap_info[9] &
1416 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU)
1417 cap |= STA_REC_HE_CAP_TX_1024QAM_UNDER_RU242;
1418
1419 if (elem->phy_cap_info[9] &
1420 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU)
1421 cap |= STA_REC_HE_CAP_RX_1024QAM_UNDER_RU242;
1422
1423 he->he_cap = cpu_to_le32(cap);
1424
1425 switch (sta->bandwidth) {
1426 case IEEE80211_STA_RX_BW_160:
1427 if (elem->phy_cap_info[0] &
1428 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1429 he->max_nss_mcs[CMD_HE_MCS_BW8080] =
1430 he_cap->he_mcs_nss_supp.rx_mcs_80p80;
1431
1432 he->max_nss_mcs[CMD_HE_MCS_BW160] =
1433 he_cap->he_mcs_nss_supp.rx_mcs_160;
1434 fallthrough;
1435 default:
1436 he->max_nss_mcs[CMD_HE_MCS_BW80] =
1437 he_cap->he_mcs_nss_supp.rx_mcs_80;
1438 break;
1439 }
1440
1441 he->t_frame_dur =
1442 HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]);
1443 he->max_ampdu_exp =
1444 HE_MAC(CAP3_MAX_AMPDU_LEN_EXP_MASK, elem->mac_cap_info[3]);
1445
1446 he->bw_set =
1447 HE_PHY(CAP0_CHANNEL_WIDTH_SET_MASK, elem->phy_cap_info[0]);
1448 he->device_class =
1449 HE_PHY(CAP1_DEVICE_CLASS_A, elem->phy_cap_info[1]);
1450 he->punc_pream_rx =
1451 HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]);
1452
1453 he->dcm_tx_mode =
1454 HE_PHY(CAP3_DCM_MAX_CONST_TX_MASK, elem->phy_cap_info[3]);
1455 he->dcm_tx_max_nss =
1456 HE_PHY(CAP3_DCM_MAX_TX_NSS_2, elem->phy_cap_info[3]);
1457 he->dcm_rx_mode =
1458 HE_PHY(CAP3_DCM_MAX_CONST_RX_MASK, elem->phy_cap_info[3]);
1459 he->dcm_rx_max_nss =
1460 HE_PHY(CAP3_DCM_MAX_RX_NSS_2, elem->phy_cap_info[3]);
1461 he->dcm_rx_max_nss =
1462 HE_PHY(CAP8_DCM_MAX_RU_MASK, elem->phy_cap_info[8]);
1463
1464 he->pkt_ext = 2;
1465 }
1466
1467 static void
mt7915_mcu_sta_uapsd_tlv(struct sk_buff * skb,struct ieee80211_sta * sta,struct ieee80211_vif * vif)1468 mt7915_mcu_sta_uapsd_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
1469 struct ieee80211_vif *vif)
1470 {
1471 struct sta_rec_uapsd *uapsd;
1472 struct tlv *tlv;
1473
1474 if (vif->type != NL80211_IFTYPE_AP || !sta->wme)
1475 return;
1476
1477 tlv = mt7915_mcu_add_tlv(skb, STA_REC_APPS, sizeof(*uapsd));
1478 uapsd = (struct sta_rec_uapsd *)tlv;
1479
1480 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) {
1481 uapsd->dac_map |= BIT(3);
1482 uapsd->tac_map |= BIT(3);
1483 }
1484 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) {
1485 uapsd->dac_map |= BIT(2);
1486 uapsd->tac_map |= BIT(2);
1487 }
1488 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) {
1489 uapsd->dac_map |= BIT(1);
1490 uapsd->tac_map |= BIT(1);
1491 }
1492 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) {
1493 uapsd->dac_map |= BIT(0);
1494 uapsd->tac_map |= BIT(0);
1495 }
1496 uapsd->max_sp = sta->max_sp;
1497 }
1498
1499 static void
mt7915_mcu_sta_muru_tlv(struct sk_buff * skb,struct ieee80211_sta * sta)1500 mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
1501 {
1502 struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
1503 struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
1504 struct sta_rec_muru *muru;
1505 struct tlv *tlv;
1506
1507 tlv = mt7915_mcu_add_tlv(skb, STA_REC_MURU, sizeof(*muru));
1508
1509 muru = (struct sta_rec_muru *)tlv;
1510 muru->cfg.ofdma_dl_en = true;
1511 muru->cfg.ofdma_ul_en = true;
1512 muru->cfg.mimo_dl_en = true;
1513 muru->cfg.mimo_ul_en = true;
1514
1515 muru->ofdma_dl.punc_pream_rx =
1516 HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]);
1517 muru->ofdma_dl.he_20m_in_40m_2g =
1518 HE_PHY(CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G, elem->phy_cap_info[8]);
1519 muru->ofdma_dl.he_20m_in_160m =
1520 HE_PHY(CAP8_20MHZ_IN_160MHZ_HE_PPDU, elem->phy_cap_info[8]);
1521 muru->ofdma_dl.he_80m_in_160m =
1522 HE_PHY(CAP8_80MHZ_IN_160MHZ_HE_PPDU, elem->phy_cap_info[8]);
1523 muru->ofdma_dl.lt16_sigb = 0;
1524 muru->ofdma_dl.rx_su_comp_sigb = 0;
1525 muru->ofdma_dl.rx_su_non_comp_sigb = 0;
1526
1527 muru->ofdma_ul.t_frame_dur =
1528 HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]);
1529 muru->ofdma_ul.mu_cascading =
1530 HE_MAC(CAP2_MU_CASCADING, elem->mac_cap_info[2]);
1531 muru->ofdma_ul.uo_ra =
1532 HE_MAC(CAP3_OFDMA_RA, elem->mac_cap_info[3]);
1533 muru->ofdma_ul.he_2x996_tone = 0;
1534 muru->ofdma_ul.rx_t_frame_11ac = 0;
1535
1536 muru->mimo_dl.vht_mu_bfee =
1537 !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
1538 muru->mimo_dl.partial_bw_dl_mimo =
1539 HE_PHY(CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO, elem->phy_cap_info[6]);
1540
1541 muru->mimo_ul.full_ul_mimo =
1542 HE_PHY(CAP2_UL_MU_FULL_MU_MIMO, elem->phy_cap_info[2]);
1543 muru->mimo_ul.partial_ul_mimo =
1544 HE_PHY(CAP2_UL_MU_PARTIAL_MU_MIMO, elem->phy_cap_info[2]);
1545 }
1546
1547 static int
mt7915_mcu_add_mu(struct mt7915_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1548 mt7915_mcu_add_mu(struct mt7915_dev *dev, struct ieee80211_vif *vif,
1549 struct ieee80211_sta *sta)
1550 {
1551 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1552 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1553 struct sk_buff *skb;
1554 int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_muru);
1555
1556 if (!sta->vht_cap.vht_supported && !sta->he_cap.has_he)
1557 return 0;
1558
1559 skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
1560 if (IS_ERR(skb))
1561 return PTR_ERR(skb);
1562
1563 /* starec muru */
1564 mt7915_mcu_sta_muru_tlv(skb, sta);
1565
1566 return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
1567 MCU_EXT_CMD_STA_REC_UPDATE, true);
1568 }
1569
1570 static void
mt7915_mcu_sta_amsdu_tlv(struct sk_buff * skb,struct ieee80211_sta * sta)1571 mt7915_mcu_sta_amsdu_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
1572 {
1573 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1574 struct sta_rec_amsdu *amsdu;
1575 struct tlv *tlv;
1576
1577 if (!sta->max_amsdu_len)
1578 return;
1579
1580 tlv = mt7915_mcu_add_tlv(skb, STA_REC_HW_AMSDU, sizeof(*amsdu));
1581 amsdu = (struct sta_rec_amsdu *)tlv;
1582 amsdu->max_amsdu_num = 8;
1583 amsdu->amsdu_en = true;
1584 amsdu->max_mpdu_size = sta->max_amsdu_len >=
1585 IEEE80211_MAX_MPDU_LEN_VHT_7991;
1586 msta->wcid.amsdu = true;
1587 }
1588
1589 static bool
mt7915_hw_amsdu_supported(struct ieee80211_vif * vif)1590 mt7915_hw_amsdu_supported(struct ieee80211_vif *vif)
1591 {
1592 switch (vif->type) {
1593 case NL80211_IFTYPE_AP:
1594 case NL80211_IFTYPE_STATION:
1595 return true;
1596 default:
1597 return false;
1598 }
1599 }
1600
1601 static void
mt7915_mcu_sta_tlv(struct mt7915_dev * dev,struct sk_buff * skb,struct ieee80211_sta * sta,struct ieee80211_vif * vif)1602 mt7915_mcu_sta_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
1603 struct ieee80211_sta *sta, struct ieee80211_vif *vif)
1604 {
1605 struct tlv *tlv;
1606
1607 /* starec ht */
1608 if (sta->ht_cap.ht_supported) {
1609 struct sta_rec_ht *ht;
1610
1611 tlv = mt7915_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
1612 ht = (struct sta_rec_ht *)tlv;
1613 ht->ht_cap = cpu_to_le16(sta->ht_cap.cap);
1614
1615 if (mt7915_hw_amsdu_supported(vif))
1616 mt7915_mcu_sta_amsdu_tlv(skb, sta);
1617 }
1618
1619 /* starec vht */
1620 if (sta->vht_cap.vht_supported) {
1621 struct sta_rec_vht *vht;
1622
1623 tlv = mt7915_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht));
1624 vht = (struct sta_rec_vht *)tlv;
1625 vht->vht_cap = cpu_to_le32(sta->vht_cap.cap);
1626 vht->vht_rx_mcs_map = sta->vht_cap.vht_mcs.rx_mcs_map;
1627 vht->vht_tx_mcs_map = sta->vht_cap.vht_mcs.tx_mcs_map;
1628 }
1629
1630 /* starec he */
1631 if (sta->he_cap.has_he)
1632 mt7915_mcu_sta_he_tlv(skb, sta);
1633
1634 /* starec uapsd */
1635 mt7915_mcu_sta_uapsd_tlv(skb, sta, vif);
1636 }
1637
1638 static void
mt7915_mcu_wtbl_smps_tlv(struct sk_buff * skb,struct ieee80211_sta * sta,void * sta_wtbl,void * wtbl_tlv)1639 mt7915_mcu_wtbl_smps_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
1640 void *sta_wtbl, void *wtbl_tlv)
1641 {
1642 struct wtbl_smps *smps;
1643 struct tlv *tlv;
1644
1645 tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps),
1646 wtbl_tlv, sta_wtbl);
1647 smps = (struct wtbl_smps *)tlv;
1648
1649 if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC)
1650 smps->smps = true;
1651 }
1652
1653 static void
mt7915_mcu_wtbl_ht_tlv(struct sk_buff * skb,struct ieee80211_sta * sta,void * sta_wtbl,void * wtbl_tlv)1654 mt7915_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
1655 void *sta_wtbl, void *wtbl_tlv)
1656 {
1657 struct wtbl_ht *ht = NULL;
1658 struct tlv *tlv;
1659
1660 /* wtbl ht */
1661 if (sta->ht_cap.ht_supported) {
1662 tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht),
1663 wtbl_tlv, sta_wtbl);
1664 ht = (struct wtbl_ht *)tlv;
1665 ht->ldpc = sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING;
1666 ht->af = sta->ht_cap.ampdu_factor;
1667 ht->mm = sta->ht_cap.ampdu_density;
1668 ht->ht = true;
1669 }
1670
1671 /* wtbl vht */
1672 if (sta->vht_cap.vht_supported) {
1673 struct wtbl_vht *vht;
1674 u8 af;
1675
1676 tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_VHT, sizeof(*vht),
1677 wtbl_tlv, sta_wtbl);
1678 vht = (struct wtbl_vht *)tlv;
1679 vht->ldpc = sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC,
1680 vht->vht = true;
1681
1682 af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
1683 sta->vht_cap.cap);
1684 if (ht)
1685 ht->af = max_t(u8, ht->af, af);
1686 }
1687
1688 mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_tlv);
1689 }
1690
mt7915_mcu_add_smps(struct mt7915_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1691 int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
1692 struct ieee80211_sta *sta)
1693 {
1694 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1695 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1696 struct wtbl_req_hdr *wtbl_hdr;
1697 struct tlv *sta_wtbl;
1698 struct sk_buff *skb;
1699
1700 skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
1701 MT7915_STA_UPDATE_MAX_SIZE);
1702 if (IS_ERR(skb))
1703 return PTR_ERR(skb);
1704
1705 sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
1706
1707 wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
1708 &skb);
1709 mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_hdr);
1710
1711 return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
1712 MCU_EXT_CMD_STA_REC_UPDATE, true);
1713 }
1714
1715 static void
mt7915_mcu_sta_sounding_rate(struct sta_rec_bf * bf)1716 mt7915_mcu_sta_sounding_rate(struct sta_rec_bf *bf)
1717 {
1718 bf->sounding_phy = MT_PHY_TYPE_OFDM;
1719 bf->ndp_rate = 0; /* mcs0 */
1720 bf->ndpa_rate = MT7915_CFEND_RATE_DEFAULT; /* ofdm 24m */
1721 bf->rept_poll_rate = MT7915_CFEND_RATE_DEFAULT; /* ofdm 24m */
1722 }
1723
1724 static void
mt7915_mcu_sta_bfer_ht(struct ieee80211_sta * sta,struct sta_rec_bf * bf)1725 mt7915_mcu_sta_bfer_ht(struct ieee80211_sta *sta, struct sta_rec_bf *bf)
1726 {
1727 struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
1728 u8 n = 0;
1729
1730 bf->tx_mode = MT_PHY_TYPE_HT;
1731 bf->bf_cap |= MT_IBF;
1732
1733 if (mcs->tx_params & IEEE80211_HT_MCS_TX_RX_DIFF &&
1734 (mcs->tx_params & IEEE80211_HT_MCS_TX_DEFINED))
1735 n = FIELD_GET(IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK,
1736 mcs->tx_params);
1737 else if (mcs->rx_mask[3])
1738 n = 3;
1739 else if (mcs->rx_mask[2])
1740 n = 2;
1741 else if (mcs->rx_mask[1])
1742 n = 1;
1743
1744 bf->nc = min_t(u8, bf->nr, n);
1745 bf->ibf_ncol = bf->nc;
1746
1747 if (sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->nc)
1748 bf->ibf_timeout = 0x48;
1749 }
1750
1751 static void
mt7915_mcu_sta_bfer_vht(struct ieee80211_sta * sta,struct mt7915_phy * phy,struct sta_rec_bf * bf)1752 mt7915_mcu_sta_bfer_vht(struct ieee80211_sta *sta, struct mt7915_phy *phy,
1753 struct sta_rec_bf *bf)
1754 {
1755 struct ieee80211_sta_vht_cap *pc = &sta->vht_cap;
1756 struct ieee80211_sta_vht_cap *vc = &phy->mt76->sband_5g.sband.vht_cap;
1757 u8 bfee_nr, bfer_nr, n, tx_ant = hweight8(phy->chainmask) - 1;
1758 u16 mcs_map;
1759
1760 bf->tx_mode = MT_PHY_TYPE_VHT;
1761 bf->bf_cap |= MT_EBF;
1762
1763 mt7915_mcu_sta_sounding_rate(bf);
1764
1765 bfee_nr = FIELD_GET(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
1766 pc->cap);
1767 bfer_nr = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
1768 vc->cap);
1769 mcs_map = le16_to_cpu(pc->vht_mcs.rx_mcs_map);
1770
1771 n = min_t(u8, bfer_nr, bfee_nr);
1772 bf->nr = min_t(u8, n, tx_ant);
1773 n = mt7915_mcu_get_sta_nss(mcs_map);
1774
1775 bf->nc = min_t(u8, n, bf->nr);
1776 bf->ibf_ncol = bf->nc;
1777
1778 /* force nr from 4 to 2 */
1779 if (sta->bandwidth == IEEE80211_STA_RX_BW_160)
1780 bf->nr = 1;
1781 }
1782
1783 static void
mt7915_mcu_sta_bfer_he(struct ieee80211_sta * sta,struct ieee80211_vif * vif,struct mt7915_phy * phy,struct sta_rec_bf * bf)1784 mt7915_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
1785 struct mt7915_phy *phy, struct sta_rec_bf *bf)
1786 {
1787 struct ieee80211_sta_he_cap *pc = &sta->he_cap;
1788 struct ieee80211_he_cap_elem *pe = &pc->he_cap_elem;
1789 const struct ieee80211_he_cap_elem *ve;
1790 const struct ieee80211_sta_he_cap *vc;
1791 u8 bfee_nr, bfer_nr, nss_mcs;
1792 u16 mcs_map;
1793
1794 vc = mt7915_get_he_phy_cap(phy, vif);
1795 ve = &vc->he_cap_elem;
1796
1797 bf->tx_mode = MT_PHY_TYPE_HE_SU;
1798 bf->bf_cap |= MT_EBF;
1799
1800 mt7915_mcu_sta_sounding_rate(bf);
1801
1802 bf->trigger_su = HE_PHY(CAP6_TRIG_SU_BEAMFORMER_FB,
1803 pe->phy_cap_info[6]);
1804 bf->trigger_mu = HE_PHY(CAP6_TRIG_MU_BEAMFORMER_FB,
1805 pe->phy_cap_info[6]);
1806 bfer_nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
1807 ve->phy_cap_info[5]);
1808 bfee_nr = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK,
1809 pe->phy_cap_info[4]);
1810
1811 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.tx_mcs_80);
1812 nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
1813
1814 bf->nr = min_t(u8, bfer_nr, bfee_nr);
1815 bf->nc = min_t(u8, nss_mcs, bf->nr);
1816 bf->ibf_ncol = bf->nc;
1817
1818 if (sta->bandwidth != IEEE80211_STA_RX_BW_160)
1819 return;
1820
1821 /* go over for 160MHz and 80p80 */
1822 if (pe->phy_cap_info[0] &
1823 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
1824 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_160);
1825 nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
1826
1827 bf->nc_bw160 = nss_mcs;
1828 }
1829
1830 if (pe->phy_cap_info[0] &
1831 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
1832 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80p80);
1833 nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
1834
1835 if (bf->nc_bw160)
1836 bf->nc_bw160 = min_t(u8, bf->nc_bw160, nss_mcs);
1837 else
1838 bf->nc_bw160 = nss_mcs;
1839 }
1840
1841 bfer_nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
1842 ve->phy_cap_info[5]);
1843 bfee_nr = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK,
1844 pe->phy_cap_info[4]);
1845
1846 bf->nr_bw160 = min_t(int, bfer_nr, bfee_nr);
1847 }
1848
1849 static void
mt7915_mcu_sta_bfer_tlv(struct sk_buff * skb,struct ieee80211_sta * sta,struct ieee80211_vif * vif,struct mt7915_phy * phy,bool enable)1850 mt7915_mcu_sta_bfer_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
1851 struct ieee80211_vif *vif, struct mt7915_phy *phy,
1852 bool enable)
1853 {
1854 struct sta_rec_bf *bf;
1855 struct tlv *tlv;
1856 int tx_ant = hweight8(phy->chainmask) - 1;
1857 const u8 matrix[4][4] = {
1858 {0, 0, 0, 0},
1859 {1, 1, 0, 0}, /* 2x1, 2x2, 2x3, 2x4 */
1860 {2, 4, 4, 0}, /* 3x1, 3x2, 3x3, 3x4 */
1861 {3, 5, 6, 0} /* 4x1, 4x2, 4x3, 4x4 */
1862 };
1863
1864 #define MT_BFER_FREE cpu_to_le16(GENMASK(15, 0))
1865
1866 tlv = mt7915_mcu_add_tlv(skb, STA_REC_BF, sizeof(*bf));
1867 bf = (struct sta_rec_bf *)tlv;
1868
1869 if (!enable) {
1870 bf->pfmu = MT_BFER_FREE;
1871 return;
1872 }
1873
1874 bf->bw = sta->bandwidth;
1875 bf->ibf_dbw = sta->bandwidth;
1876 bf->ibf_nrow = tx_ant;
1877 bf->ibf_timeout = 0x18;
1878
1879 if (sta->he_cap.has_he)
1880 mt7915_mcu_sta_bfer_he(sta, vif, phy, bf);
1881 else if (sta->vht_cap.vht_supported)
1882 mt7915_mcu_sta_bfer_vht(sta, phy, bf);
1883 else if (sta->ht_cap.ht_supported)
1884 mt7915_mcu_sta_bfer_ht(sta, bf);
1885
1886 if (bf->bf_cap & MT_EBF && bf->nr != tx_ant)
1887 bf->mem_20m = matrix[tx_ant][bf->nc];
1888 else
1889 bf->mem_20m = matrix[bf->nr][bf->nc];
1890
1891 switch (sta->bandwidth) {
1892 case IEEE80211_STA_RX_BW_160:
1893 case IEEE80211_STA_RX_BW_80:
1894 bf->mem_total = bf->mem_20m * 2;
1895 break;
1896 case IEEE80211_STA_RX_BW_40:
1897 bf->mem_total = bf->mem_20m;
1898 break;
1899 case IEEE80211_STA_RX_BW_20:
1900 default:
1901 break;
1902 }
1903 }
1904
1905 static void
mt7915_mcu_sta_bfee_tlv(struct sk_buff * skb,struct ieee80211_sta * sta,struct mt7915_phy * phy)1906 mt7915_mcu_sta_bfee_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
1907 struct mt7915_phy *phy)
1908 {
1909 struct sta_rec_bfee *bfee;
1910 struct tlv *tlv;
1911 int tx_ant = hweight8(phy->chainmask) - 1;
1912 u8 nr = 0;
1913
1914 tlv = mt7915_mcu_add_tlv(skb, STA_REC_BFEE, sizeof(*bfee));
1915 bfee = (struct sta_rec_bfee *)tlv;
1916
1917 if (sta->he_cap.has_he) {
1918 struct ieee80211_he_cap_elem *pe = &sta->he_cap.he_cap_elem;
1919
1920 nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
1921 pe->phy_cap_info[5]);
1922 } else if (sta->vht_cap.vht_supported) {
1923 struct ieee80211_sta_vht_cap *pc = &sta->vht_cap;
1924
1925 nr = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
1926 pc->cap);
1927 }
1928
1929 /* reply with identity matrix to avoid 2x2 BF negative gain */
1930 if (nr == 1 && tx_ant == 2)
1931 bfee->fb_identity_matrix = true;
1932 }
1933
1934 static u8
mt7915_mcu_sta_txbf_type(struct mt7915_phy * phy,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1935 mt7915_mcu_sta_txbf_type(struct mt7915_phy *phy, struct ieee80211_vif *vif,
1936 struct ieee80211_sta *sta)
1937 {
1938 u8 type = 0;
1939
1940 if (vif->type != NL80211_IFTYPE_STATION &&
1941 vif->type != NL80211_IFTYPE_AP)
1942 return 0;
1943
1944 if (sta->he_cap.has_he) {
1945 struct ieee80211_he_cap_elem *pe;
1946 const struct ieee80211_he_cap_elem *ve;
1947 const struct ieee80211_sta_he_cap *vc;
1948
1949 pe = &sta->he_cap.he_cap_elem;
1950 vc = mt7915_get_he_phy_cap(phy, vif);
1951 ve = &vc->he_cap_elem;
1952
1953 if ((HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]) ||
1954 HE_PHY(CAP4_MU_BEAMFORMER, pe->phy_cap_info[4])) &&
1955 HE_PHY(CAP4_SU_BEAMFORMEE, ve->phy_cap_info[4]))
1956 type |= MT_STA_BFEE;
1957
1958 if ((HE_PHY(CAP3_SU_BEAMFORMER, ve->phy_cap_info[3]) ||
1959 HE_PHY(CAP4_MU_BEAMFORMER, ve->phy_cap_info[4])) &&
1960 HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]))
1961 type |= MT_STA_BFER;
1962 } else if (sta->vht_cap.vht_supported) {
1963 struct ieee80211_sta_vht_cap *pc;
1964 struct ieee80211_sta_vht_cap *vc;
1965 u32 cr, ce;
1966
1967 pc = &sta->vht_cap;
1968 vc = &phy->mt76->sband_5g.sband.vht_cap;
1969 cr = IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
1970 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
1971 ce = IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
1972 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1973
1974 if ((pc->cap & cr) && (vc->cap & ce))
1975 type |= MT_STA_BFEE;
1976
1977 if ((vc->cap & cr) && (pc->cap & ce))
1978 type |= MT_STA_BFER;
1979 } else if (sta->ht_cap.ht_supported) {
1980 /* TODO: iBF */
1981 }
1982
1983 return type;
1984 }
1985
1986 static int
mt7915_mcu_add_txbf(struct mt7915_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enable)1987 mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif,
1988 struct ieee80211_sta *sta, bool enable)
1989 {
1990 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1991 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1992 struct mt7915_phy *phy;
1993 struct sk_buff *skb;
1994 int r, len;
1995 u8 type;
1996
1997 phy = mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
1998
1999 type = mt7915_mcu_sta_txbf_type(phy, vif, sta);
2000
2001 /* must keep each tag independent */
2002
2003 /* starec bf */
2004 if (type & MT_STA_BFER) {
2005 len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bf);
2006
2007 skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
2008 if (IS_ERR(skb))
2009 return PTR_ERR(skb);
2010
2011 mt7915_mcu_sta_bfer_tlv(skb, sta, vif, phy, enable);
2012
2013 r = __mt76_mcu_skb_send_msg(&dev->mt76, skb,
2014 MCU_EXT_CMD_STA_REC_UPDATE, true);
2015 if (r)
2016 return r;
2017 }
2018
2019 /* starec bfee */
2020 if (type & MT_STA_BFEE) {
2021 len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bfee);
2022
2023 skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
2024 if (IS_ERR(skb))
2025 return PTR_ERR(skb);
2026
2027 mt7915_mcu_sta_bfee_tlv(skb, sta, phy);
2028
2029 r = __mt76_mcu_skb_send_msg(&dev->mt76, skb,
2030 MCU_EXT_CMD_STA_REC_UPDATE, true);
2031 if (r)
2032 return r;
2033 }
2034
2035 return 0;
2036 }
2037
2038 static void
mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff * skb,struct mt7915_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)2039 mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev,
2040 struct ieee80211_vif *vif,
2041 struct ieee80211_sta *sta)
2042 {
2043 struct cfg80211_chan_def *chandef = &dev->mphy.chandef;
2044 struct sta_rec_ra *ra;
2045 struct tlv *tlv;
2046 enum nl80211_band band = chandef->chan->band;
2047 u32 supp_rate = sta->supp_rates[band];
2048 int n_rates = hweight32(supp_rate);
2049 u32 cap = sta->wme ? STA_CAP_WMM : 0;
2050 u8 i, nss = sta->rx_nss, mcs = 0;
2051
2052 tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra));
2053
2054 ra = (struct sta_rec_ra *)tlv;
2055 ra->valid = true;
2056 ra->auto_rate = true;
2057 ra->phy_mode = mt7915_get_phy_mode(dev, vif, band, sta);
2058 ra->channel = chandef->chan->hw_value;
2059 ra->bw = sta->bandwidth;
2060 ra->rate_len = n_rates;
2061 ra->phy.bw = sta->bandwidth;
2062
2063 if (n_rates) {
2064 if (band == NL80211_BAND_2GHZ) {
2065 ra->supp_mode = MODE_CCK;
2066 ra->supp_cck_rate = supp_rate & GENMASK(3, 0);
2067 ra->phy.type = MT_PHY_TYPE_CCK;
2068
2069 if (n_rates > 4) {
2070 ra->supp_mode |= MODE_OFDM;
2071 ra->supp_ofdm_rate = supp_rate >> 4;
2072 ra->phy.type = MT_PHY_TYPE_OFDM;
2073 }
2074 } else {
2075 ra->supp_mode = MODE_OFDM;
2076 ra->supp_ofdm_rate = supp_rate;
2077 ra->phy.type = MT_PHY_TYPE_OFDM;
2078 }
2079 }
2080
2081 if (sta->ht_cap.ht_supported) {
2082 for (i = 0; i < nss; i++)
2083 ra->ht_mcs[i] = sta->ht_cap.mcs.rx_mask[i];
2084
2085 ra->supp_ht_mcs = *(__le32 *)ra->ht_mcs;
2086 ra->supp_mode |= MODE_HT;
2087 mcs = hweight32(le32_to_cpu(ra->supp_ht_mcs)) - 1;
2088 ra->af = sta->ht_cap.ampdu_factor;
2089 ra->ht_gf = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD);
2090
2091 cap |= STA_CAP_HT;
2092 if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
2093 cap |= STA_CAP_SGI_20;
2094 if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
2095 cap |= STA_CAP_SGI_40;
2096 if (sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC)
2097 cap |= STA_CAP_TX_STBC;
2098 if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
2099 cap |= STA_CAP_RX_STBC;
2100 if (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)
2101 cap |= STA_CAP_LDPC;
2102 }
2103
2104 if (sta->vht_cap.vht_supported) {
2105 u16 mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.rx_mcs_map);
2106 u16 vht_mcs;
2107 u8 af, mcs_prev;
2108
2109 af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
2110 sta->vht_cap.cap);
2111 ra->af = max_t(u8, ra->af, af);
2112
2113 cap |= STA_CAP_VHT;
2114 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
2115 cap |= STA_CAP_VHT_SGI_80;
2116 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
2117 cap |= STA_CAP_VHT_SGI_160;
2118 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC)
2119 cap |= STA_CAP_VHT_TX_STBC;
2120 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_1)
2121 cap |= STA_CAP_VHT_RX_STBC;
2122 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)
2123 cap |= STA_CAP_VHT_LDPC;
2124
2125 ra->supp_mode |= MODE_VHT;
2126 for (mcs = 0, i = 0; i < nss; i++, mcs_map >>= 2) {
2127 switch (mcs_map & 0x3) {
2128 case IEEE80211_VHT_MCS_SUPPORT_0_9:
2129 vht_mcs = GENMASK(9, 0);
2130 break;
2131 case IEEE80211_VHT_MCS_SUPPORT_0_8:
2132 vht_mcs = GENMASK(8, 0);
2133 break;
2134 case IEEE80211_VHT_MCS_SUPPORT_0_7:
2135 vht_mcs = GENMASK(7, 0);
2136 break;
2137 default:
2138 vht_mcs = 0;
2139 }
2140
2141 ra->supp_vht_mcs[i] = cpu_to_le16(vht_mcs);
2142
2143 mcs_prev = hweight16(vht_mcs) - 1;
2144 if (mcs_prev > mcs)
2145 mcs = mcs_prev;
2146
2147 /* only support 2ss on 160MHz */
2148 if (i > 1 && (ra->bw == CMD_CBW_160MHZ ||
2149 ra->bw == CMD_CBW_8080MHZ))
2150 break;
2151 }
2152 }
2153
2154 if (sta->he_cap.has_he) {
2155 ra->supp_mode |= MODE_HE;
2156 cap |= STA_CAP_HE;
2157 }
2158
2159 ra->sta_status = cpu_to_le32(cap);
2160
2161 switch (BIT(fls(ra->supp_mode) - 1)) {
2162 case MODE_VHT:
2163 ra->phy.type = MT_PHY_TYPE_VHT;
2164 ra->phy.mcs = mcs;
2165 ra->phy.nss = nss;
2166 ra->phy.stbc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC);
2167 ra->phy.ldpc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC);
2168 ra->phy.sgi =
2169 !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80);
2170 break;
2171 case MODE_HT:
2172 ra->phy.type = MT_PHY_TYPE_HT;
2173 ra->phy.mcs = mcs;
2174 ra->phy.ldpc = sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING;
2175 ra->phy.stbc = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC);
2176 ra->phy.sgi = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20);
2177 break;
2178 default:
2179 break;
2180 }
2181 }
2182
mt7915_mcu_add_rate_ctrl(struct mt7915_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)2183 int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
2184 struct ieee80211_sta *sta)
2185 {
2186 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
2187 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
2188 struct sk_buff *skb;
2189 int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_ra);
2190
2191 skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
2192 if (IS_ERR(skb))
2193 return PTR_ERR(skb);
2194
2195 mt7915_mcu_sta_rate_ctrl_tlv(skb, dev, vif, sta);
2196
2197 return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
2198 MCU_EXT_CMD_STA_REC_UPDATE, true);
2199 }
2200
2201 static int
mt7915_mcu_add_group(struct mt7915_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)2202 mt7915_mcu_add_group(struct mt7915_dev *dev, struct ieee80211_vif *vif,
2203 struct ieee80211_sta *sta)
2204 {
2205 #define MT_STA_BSS_GROUP 1
2206 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
2207 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
2208 struct {
2209 __le32 action;
2210 u8 wlan_idx_lo;
2211 u8 status;
2212 u8 wlan_idx_hi;
2213 u8 rsv0[5];
2214 __le32 val;
2215 u8 rsv1[8];
2216 } __packed req = {
2217 .action = cpu_to_le32(MT_STA_BSS_GROUP),
2218 .wlan_idx_lo = to_wcid_lo(msta->wcid.idx),
2219 .wlan_idx_hi = to_wcid_hi(msta->wcid.idx),
2220 .val = cpu_to_le32(mvif->idx),
2221 };
2222
2223 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_DRR_CTRL,
2224 &req, sizeof(req), true);
2225 }
2226
mt7915_mcu_add_sta_adv(struct mt7915_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enable)2227 int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
2228 struct ieee80211_sta *sta, bool enable)
2229 {
2230 int ret;
2231
2232 if (!sta)
2233 return 0;
2234
2235 /* must keep the order */
2236 ret = mt7915_mcu_add_group(dev, vif, sta);
2237 if (ret)
2238 return ret;
2239
2240 ret = mt7915_mcu_add_txbf(dev, vif, sta, enable);
2241 if (ret)
2242 return ret;
2243
2244 ret = mt7915_mcu_add_mu(dev, vif, sta);
2245 if (ret)
2246 return ret;
2247
2248 if (enable)
2249 return mt7915_mcu_add_rate_ctrl(dev, vif, sta);
2250
2251 return 0;
2252 }
2253
mt7915_mcu_add_sta(struct mt7915_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enable)2254 int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
2255 struct ieee80211_sta *sta, bool enable)
2256 {
2257 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
2258 struct wtbl_req_hdr *wtbl_hdr;
2259 struct mt7915_sta *msta;
2260 struct tlv *sta_wtbl;
2261 struct sk_buff *skb;
2262
2263 msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta;
2264
2265 skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
2266 MT7915_STA_UPDATE_MAX_SIZE);
2267 if (IS_ERR(skb))
2268 return PTR_ERR(skb);
2269
2270 mt7915_mcu_sta_basic_tlv(skb, vif, sta, enable);
2271 if (enable && sta)
2272 mt7915_mcu_sta_tlv(dev, skb, sta, vif);
2273
2274 sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
2275
2276 wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
2277 sta_wtbl, &skb);
2278 if (enable) {
2279 mt7915_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
2280 if (sta)
2281 mt7915_mcu_wtbl_ht_tlv(skb, sta, sta_wtbl, wtbl_hdr);
2282 }
2283
2284 return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
2285 MCU_EXT_CMD_STA_REC_UPDATE, true);
2286 }
2287
mt7915_mcu_set_fixed_rate(struct mt7915_dev * dev,struct ieee80211_sta * sta,u32 rate)2288 int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
2289 struct ieee80211_sta *sta, u32 rate)
2290 {
2291 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
2292 struct mt7915_vif *mvif = msta->vif;
2293 struct sta_rec_ra_fixed *ra;
2294 struct sk_buff *skb;
2295 struct tlv *tlv;
2296 int len = sizeof(struct sta_req_hdr) + sizeof(*ra);
2297
2298 skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
2299 if (IS_ERR(skb))
2300 return PTR_ERR(skb);
2301
2302 tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra));
2303 ra = (struct sta_rec_ra_fixed *)tlv;
2304
2305 if (!rate) {
2306 ra->field = cpu_to_le32(RATE_PARAM_AUTO);
2307 goto out;
2308 } else {
2309 ra->field = cpu_to_le32(RATE_PARAM_FIXED);
2310 }
2311
2312 ra->phy.type = FIELD_GET(RATE_CFG_PHY_TYPE, rate);
2313 ra->phy.bw = FIELD_GET(RATE_CFG_BW, rate);
2314 ra->phy.nss = FIELD_GET(RATE_CFG_NSS, rate);
2315 ra->phy.mcs = FIELD_GET(RATE_CFG_MCS, rate);
2316 ra->phy.stbc = FIELD_GET(RATE_CFG_STBC, rate);
2317
2318 if (ra->phy.bw)
2319 ra->phy.ldpc = 7;
2320 else
2321 ra->phy.ldpc = FIELD_GET(RATE_CFG_LDPC, rate) * 7;
2322
2323 /* HT/VHT - SGI: 1, LGI: 0; HE - SGI: 0, MGI: 1, LGI: 2 */
2324 if (ra->phy.type > MT_PHY_TYPE_VHT)
2325 ra->phy.sgi = ra->phy.mcs * 85;
2326 else
2327 ra->phy.sgi = ra->phy.mcs * 15;
2328
2329 out:
2330 return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
2331 MCU_EXT_CMD_STA_REC_UPDATE, true);
2332 }
2333
mt7915_mcu_add_dev_info(struct mt7915_dev * dev,struct ieee80211_vif * vif,bool enable)2334 int mt7915_mcu_add_dev_info(struct mt7915_dev *dev,
2335 struct ieee80211_vif *vif, bool enable)
2336 {
2337 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
2338 struct {
2339 struct req_hdr {
2340 u8 omac_idx;
2341 u8 dbdc_idx;
2342 __le16 tlv_num;
2343 u8 is_tlv_append;
2344 u8 rsv[3];
2345 } __packed hdr;
2346 struct req_tlv {
2347 __le16 tag;
2348 __le16 len;
2349 u8 active;
2350 u8 dbdc_idx;
2351 u8 omac_addr[ETH_ALEN];
2352 } __packed tlv;
2353 } data = {
2354 .hdr = {
2355 .omac_idx = mvif->omac_idx,
2356 .dbdc_idx = mvif->band_idx,
2357 .tlv_num = cpu_to_le16(1),
2358 .is_tlv_append = 1,
2359 },
2360 .tlv = {
2361 .tag = cpu_to_le16(DEV_INFO_ACTIVE),
2362 .len = cpu_to_le16(sizeof(struct req_tlv)),
2363 .active = enable,
2364 .dbdc_idx = mvif->band_idx,
2365 },
2366 };
2367
2368 memcpy(data.tlv.omac_addr, vif->addr, ETH_ALEN);
2369 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_DEV_INFO_UPDATE,
2370 &data, sizeof(data), true);
2371 }
2372
2373 static void
mt7915_mcu_beacon_csa(struct sk_buff * rskb,struct sk_buff * skb,struct bss_info_bcn * bcn,struct ieee80211_mutable_offsets * offs)2374 mt7915_mcu_beacon_csa(struct sk_buff *rskb, struct sk_buff *skb,
2375 struct bss_info_bcn *bcn,
2376 struct ieee80211_mutable_offsets *offs)
2377 {
2378 if (offs->cntdwn_counter_offs[0]) {
2379 struct tlv *tlv;
2380 struct bss_info_bcn_csa *csa;
2381
2382 tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_CSA,
2383 sizeof(*csa), &bcn->sub_ntlv,
2384 &bcn->len);
2385 csa = (struct bss_info_bcn_csa *)tlv;
2386 csa->cnt = skb->data[offs->cntdwn_counter_offs[0]];
2387 }
2388 }
2389
2390 static void
mt7915_mcu_beacon_cont(struct mt7915_dev * dev,struct sk_buff * rskb,struct sk_buff * skb,struct bss_info_bcn * bcn,struct ieee80211_mutable_offsets * offs)2391 mt7915_mcu_beacon_cont(struct mt7915_dev *dev, struct sk_buff *rskb,
2392 struct sk_buff *skb, struct bss_info_bcn *bcn,
2393 struct ieee80211_mutable_offsets *offs)
2394 {
2395 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
2396 struct bss_info_bcn_cont *cont;
2397 struct tlv *tlv;
2398 u8 *buf;
2399 int len = sizeof(*cont) + MT_TXD_SIZE + skb->len;
2400
2401 tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_CONTENT,
2402 len, &bcn->sub_ntlv, &bcn->len);
2403
2404 cont = (struct bss_info_bcn_cont *)tlv;
2405 cont->pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
2406 cont->tim_ofs = cpu_to_le16(offs->tim_offset);
2407
2408 if (offs->cntdwn_counter_offs[0])
2409 cont->csa_ofs = cpu_to_le16(offs->cntdwn_counter_offs[0] - 4);
2410
2411 buf = (u8 *)tlv + sizeof(*cont);
2412 mt7915_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, NULL,
2413 true);
2414 memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
2415 }
2416
mt7915_mcu_add_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,int en)2417 int mt7915_mcu_add_beacon(struct ieee80211_hw *hw,
2418 struct ieee80211_vif *vif, int en)
2419 {
2420 #define MAX_BEACON_SIZE 512
2421 struct mt7915_dev *dev = mt7915_hw_dev(hw);
2422 struct mt7915_phy *phy = mt7915_hw_phy(hw);
2423 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
2424 struct ieee80211_mutable_offsets offs;
2425 struct ieee80211_tx_info *info;
2426 struct sk_buff *skb, *rskb;
2427 struct tlv *tlv;
2428 struct bss_info_bcn *bcn;
2429 int len = MT7915_BEACON_UPDATE_SIZE + MAX_BEACON_SIZE;
2430
2431 skb = ieee80211_beacon_get_template(hw, vif, &offs);
2432 if (!skb)
2433 return -EINVAL;
2434
2435 if (skb->len > MAX_BEACON_SIZE - MT_TXD_SIZE) {
2436 dev_err(dev->mt76.dev, "Bcn size limit exceed\n");
2437 dev_kfree_skb(skb);
2438 return -EINVAL;
2439 }
2440
2441 rskb = mt7915_mcu_alloc_sta_req(dev, mvif, NULL, len);
2442 if (IS_ERR(rskb)) {
2443 dev_kfree_skb(skb);
2444 return PTR_ERR(rskb);
2445 }
2446
2447 tlv = mt7915_mcu_add_tlv(rskb, BSS_INFO_OFFLOAD, sizeof(*bcn));
2448 bcn = (struct bss_info_bcn *)tlv;
2449 bcn->enable = en;
2450
2451 if (mvif->band_idx) {
2452 info = IEEE80211_SKB_CB(skb);
2453 info->hw_queue |= MT_TX_HW_QUEUE_EXT_PHY;
2454 }
2455
2456 /* TODO: subtag - bss color count & 11v MBSSID */
2457 mt7915_mcu_beacon_csa(rskb, skb, bcn, &offs);
2458 mt7915_mcu_beacon_cont(dev, rskb, skb, bcn, &offs);
2459 dev_kfree_skb(skb);
2460
2461 return __mt76_mcu_skb_send_msg(&phy->dev->mt76, rskb,
2462 MCU_EXT_CMD_BSS_INFO_UPDATE, true);
2463 }
2464
mt7915_mcu_send_firmware(struct mt7915_dev * dev,const void * data,int len)2465 static int mt7915_mcu_send_firmware(struct mt7915_dev *dev, const void *data,
2466 int len)
2467 {
2468 int ret = 0, cur_len;
2469
2470 while (len > 0) {
2471 cur_len = min_t(int, 4096 - sizeof(struct mt7915_mcu_txd),
2472 len);
2473
2474 ret = __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_SCATTER,
2475 data, cur_len, false);
2476 if (ret)
2477 break;
2478
2479 data += cur_len;
2480 len -= cur_len;
2481 mt76_queue_tx_cleanup(dev, MT_TXQ_FWDL, false);
2482 }
2483
2484 return ret;
2485 }
2486
mt7915_mcu_start_firmware(struct mt7915_dev * dev,u32 addr,u32 option)2487 static int mt7915_mcu_start_firmware(struct mt7915_dev *dev, u32 addr,
2488 u32 option)
2489 {
2490 struct {
2491 __le32 option;
2492 __le32 addr;
2493 } req = {
2494 .option = cpu_to_le32(option),
2495 .addr = cpu_to_le32(addr),
2496 };
2497
2498 return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_START_REQ,
2499 &req, sizeof(req), true);
2500 }
2501
mt7915_mcu_restart(struct mt76_dev * dev)2502 static int mt7915_mcu_restart(struct mt76_dev *dev)
2503 {
2504 struct {
2505 u8 power_mode;
2506 u8 rsv[3];
2507 } req = {
2508 .power_mode = 1,
2509 };
2510
2511 return __mt76_mcu_send_msg(dev, -MCU_CMD_NIC_POWER_CTRL, &req,
2512 sizeof(req), false);
2513 }
2514
mt7915_mcu_patch_sem_ctrl(struct mt7915_dev * dev,bool get)2515 static int mt7915_mcu_patch_sem_ctrl(struct mt7915_dev *dev, bool get)
2516 {
2517 struct {
2518 __le32 op;
2519 } req = {
2520 .op = cpu_to_le32(get ? PATCH_SEM_GET : PATCH_SEM_RELEASE),
2521 };
2522
2523 return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_SEM_CONTROL,
2524 &req, sizeof(req), true);
2525 }
2526
mt7915_mcu_start_patch(struct mt7915_dev * dev)2527 static int mt7915_mcu_start_patch(struct mt7915_dev *dev)
2528 {
2529 struct {
2530 u8 check_crc;
2531 u8 reserved[3];
2532 } req = {
2533 .check_crc = 0,
2534 };
2535
2536 return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_FINISH_REQ,
2537 &req, sizeof(req), true);
2538 }
2539
mt7915_driver_own(struct mt7915_dev * dev)2540 static int mt7915_driver_own(struct mt7915_dev *dev)
2541 {
2542 u32 reg = mt7915_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
2543
2544 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
2545 if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
2546 0, 500)) {
2547 dev_err(dev->mt76.dev, "Timeout for driver own\n");
2548 return -EIO;
2549 }
2550
2551 return 0;
2552 }
2553
mt7915_mcu_init_download(struct mt7915_dev * dev,u32 addr,u32 len,u32 mode)2554 static int mt7915_mcu_init_download(struct mt7915_dev *dev, u32 addr,
2555 u32 len, u32 mode)
2556 {
2557 struct {
2558 __le32 addr;
2559 __le32 len;
2560 __le32 mode;
2561 } req = {
2562 .addr = cpu_to_le32(addr),
2563 .len = cpu_to_le32(len),
2564 .mode = cpu_to_le32(mode),
2565 };
2566 int attr;
2567
2568 if (req.addr == cpu_to_le32(MCU_PATCH_ADDRESS))
2569 attr = -MCU_CMD_PATCH_START_REQ;
2570 else
2571 attr = -MCU_CMD_TARGET_ADDRESS_LEN_REQ;
2572
2573 return __mt76_mcu_send_msg(&dev->mt76, attr, &req, sizeof(req), true);
2574 }
2575
mt7915_load_patch(struct mt7915_dev * dev)2576 static int mt7915_load_patch(struct mt7915_dev *dev)
2577 {
2578 const struct mt7915_patch_hdr *hdr;
2579 const struct firmware *fw = NULL;
2580 int i, ret, sem;
2581
2582 sem = mt7915_mcu_patch_sem_ctrl(dev, 1);
2583 switch (sem) {
2584 case PATCH_IS_DL:
2585 return 0;
2586 case PATCH_NOT_DL_SEM_SUCCESS:
2587 break;
2588 default:
2589 dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");
2590 return -EAGAIN;
2591 }
2592
2593 ret = request_firmware(&fw, MT7915_ROM_PATCH, dev->mt76.dev);
2594 if (ret)
2595 goto out;
2596
2597 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
2598 dev_err(dev->mt76.dev, "Invalid firmware\n");
2599 ret = -EINVAL;
2600 goto out;
2601 }
2602
2603 hdr = (const struct mt7915_patch_hdr *)(fw->data);
2604
2605 dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
2606 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
2607
2608 for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) {
2609 struct mt7915_patch_sec *sec;
2610 const u8 *dl;
2611 u32 len, addr;
2612
2613 sec = (struct mt7915_patch_sec *)(fw->data + sizeof(*hdr) +
2614 i * sizeof(*sec));
2615 if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) !=
2616 PATCH_SEC_TYPE_INFO) {
2617 ret = -EINVAL;
2618 goto out;
2619 }
2620
2621 addr = be32_to_cpu(sec->info.addr);
2622 len = be32_to_cpu(sec->info.len);
2623 dl = fw->data + be32_to_cpu(sec->offs);
2624
2625 ret = mt7915_mcu_init_download(dev, addr, len,
2626 DL_MODE_NEED_RSP);
2627 if (ret) {
2628 dev_err(dev->mt76.dev, "Download request failed\n");
2629 goto out;
2630 }
2631
2632 ret = mt7915_mcu_send_firmware(dev, dl, len);
2633 if (ret) {
2634 dev_err(dev->mt76.dev, "Failed to send patch\n");
2635 goto out;
2636 }
2637 }
2638
2639 ret = mt7915_mcu_start_patch(dev);
2640 if (ret)
2641 dev_err(dev->mt76.dev, "Failed to start patch\n");
2642
2643 out:
2644 sem = mt7915_mcu_patch_sem_ctrl(dev, 0);
2645 switch (sem) {
2646 case PATCH_REL_SEM_SUCCESS:
2647 break;
2648 default:
2649 ret = -EAGAIN;
2650 dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
2651 break;
2652 }
2653 release_firmware(fw);
2654
2655 return ret;
2656 }
2657
mt7915_mcu_gen_dl_mode(u8 feature_set,bool is_wa)2658 static u32 mt7915_mcu_gen_dl_mode(u8 feature_set, bool is_wa)
2659 {
2660 u32 ret = 0;
2661
2662 ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ?
2663 (DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0;
2664 ret |= FIELD_PREP(DL_MODE_KEY_IDX,
2665 FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set));
2666 ret |= DL_MODE_NEED_RSP;
2667 ret |= is_wa ? DL_MODE_WORKING_PDA_CR4 : 0;
2668
2669 return ret;
2670 }
2671
2672 static int
mt7915_mcu_send_ram_firmware(struct mt7915_dev * dev,const struct mt7915_fw_trailer * hdr,const u8 * data,bool is_wa)2673 mt7915_mcu_send_ram_firmware(struct mt7915_dev *dev,
2674 const struct mt7915_fw_trailer *hdr,
2675 const u8 *data, bool is_wa)
2676 {
2677 int i, offset = 0;
2678 u32 override = 0, option = 0;
2679
2680 for (i = 0; i < hdr->n_region; i++) {
2681 const struct mt7915_fw_region *region;
2682 int err;
2683 u32 len, addr, mode;
2684
2685 region = (const struct mt7915_fw_region *)((const u8 *)hdr -
2686 (hdr->n_region - i) * sizeof(*region));
2687 mode = mt7915_mcu_gen_dl_mode(region->feature_set, is_wa);
2688 len = le32_to_cpu(region->len);
2689 addr = le32_to_cpu(region->addr);
2690
2691 if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR)
2692 override = addr;
2693
2694 err = mt7915_mcu_init_download(dev, addr, len, mode);
2695 if (err) {
2696 dev_err(dev->mt76.dev, "Download request failed\n");
2697 return err;
2698 }
2699
2700 err = mt7915_mcu_send_firmware(dev, data + offset, len);
2701 if (err) {
2702 dev_err(dev->mt76.dev, "Failed to send firmware.\n");
2703 return err;
2704 }
2705
2706 offset += len;
2707 }
2708
2709 if (override)
2710 option |= FW_START_OVERRIDE;
2711
2712 if (is_wa)
2713 option |= FW_START_WORKING_PDA_CR4;
2714
2715 return mt7915_mcu_start_firmware(dev, override, option);
2716 }
2717
mt7915_load_ram(struct mt7915_dev * dev)2718 static int mt7915_load_ram(struct mt7915_dev *dev)
2719 {
2720 const struct mt7915_fw_trailer *hdr;
2721 const struct firmware *fw;
2722 int ret;
2723
2724 ret = request_firmware(&fw, MT7915_FIRMWARE_WM, dev->mt76.dev);
2725 if (ret)
2726 return ret;
2727
2728 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
2729 dev_err(dev->mt76.dev, "Invalid firmware\n");
2730 ret = -EINVAL;
2731 goto out;
2732 }
2733
2734 hdr = (const struct mt7915_fw_trailer *)(fw->data + fw->size -
2735 sizeof(*hdr));
2736
2737 dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n",
2738 hdr->fw_ver, hdr->build_date);
2739
2740 ret = mt7915_mcu_send_ram_firmware(dev, hdr, fw->data, false);
2741 if (ret) {
2742 dev_err(dev->mt76.dev, "Failed to start WM firmware\n");
2743 goto out;
2744 }
2745
2746 release_firmware(fw);
2747
2748 ret = request_firmware(&fw, MT7915_FIRMWARE_WA, dev->mt76.dev);
2749 if (ret)
2750 return ret;
2751
2752 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
2753 dev_err(dev->mt76.dev, "Invalid firmware\n");
2754 ret = -EINVAL;
2755 goto out;
2756 }
2757
2758 hdr = (const struct mt7915_fw_trailer *)(fw->data + fw->size -
2759 sizeof(*hdr));
2760
2761 dev_info(dev->mt76.dev, "WA Firmware Version: %.10s, Build Time: %.15s\n",
2762 hdr->fw_ver, hdr->build_date);
2763
2764 ret = mt7915_mcu_send_ram_firmware(dev, hdr, fw->data, true);
2765 if (ret) {
2766 dev_err(dev->mt76.dev, "Failed to start WA firmware\n");
2767 goto out;
2768 }
2769
2770 snprintf(dev->mt76.hw->wiphy->fw_version,
2771 sizeof(dev->mt76.hw->wiphy->fw_version),
2772 "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
2773
2774 out:
2775 release_firmware(fw);
2776
2777 return ret;
2778 }
2779
mt7915_load_firmware(struct mt7915_dev * dev)2780 static int mt7915_load_firmware(struct mt7915_dev *dev)
2781 {
2782 int ret;
2783 u32 val, reg = mt7915_reg_map_l1(dev, MT_TOP_MISC);
2784
2785 val = FIELD_PREP(MT_TOP_MISC_FW_STATE, FW_STATE_FW_DOWNLOAD);
2786
2787 if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE, val, 1000)) {
2788 /* restart firmware once */
2789 __mt76_mcu_restart(&dev->mt76);
2790 if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
2791 val, 1000)) {
2792 dev_err(dev->mt76.dev,
2793 "Firmware is not ready for download\n");
2794 return -EIO;
2795 }
2796 }
2797
2798 ret = mt7915_load_patch(dev);
2799 if (ret)
2800 return ret;
2801
2802 ret = mt7915_load_ram(dev);
2803 if (ret)
2804 return ret;
2805
2806 if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
2807 FIELD_PREP(MT_TOP_MISC_FW_STATE,
2808 FW_STATE_WACPU_RDY), 1000)) {
2809 dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
2810 return -EIO;
2811 }
2812
2813 mt76_queue_tx_cleanup(dev, MT_TXQ_FWDL, false);
2814
2815 dev_dbg(dev->mt76.dev, "Firmware init done\n");
2816
2817 return 0;
2818 }
2819
mt7915_mcu_fw_log_2_host(struct mt7915_dev * dev,u8 ctrl)2820 int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl)
2821 {
2822 struct {
2823 u8 ctrl_val;
2824 u8 pad[3];
2825 } data = {
2826 .ctrl_val = ctrl
2827 };
2828
2829 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_LOG_2_HOST,
2830 &data, sizeof(data), true);
2831 }
2832
mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev * dev,u32 module,u8 level)2833 int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level)
2834 {
2835 struct {
2836 u8 ver;
2837 u8 pad;
2838 __le16 len;
2839 u8 level;
2840 u8 rsv[3];
2841 __le32 module_idx;
2842 } data = {
2843 .module_idx = cpu_to_le32(module),
2844 .level = level,
2845 };
2846
2847 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_DBG_CTRL,
2848 &data, sizeof(data), false);
2849 }
2850
mt7915_mcu_init(struct mt7915_dev * dev)2851 int mt7915_mcu_init(struct mt7915_dev *dev)
2852 {
2853 static const struct mt76_mcu_ops mt7915_mcu_ops = {
2854 .headroom = sizeof(struct mt7915_mcu_txd),
2855 .mcu_skb_send_msg = mt7915_mcu_send_message,
2856 .mcu_send_msg = mt7915_mcu_msg_send,
2857 .mcu_restart = mt7915_mcu_restart,
2858 };
2859 int ret;
2860
2861 dev->mt76.mcu_ops = &mt7915_mcu_ops,
2862
2863 ret = mt7915_driver_own(dev);
2864 if (ret)
2865 return ret;
2866
2867 ret = mt7915_load_firmware(dev);
2868 if (ret)
2869 return ret;
2870
2871 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
2872 mt7915_mcu_fw_log_2_host(dev, 0);
2873
2874 return 0;
2875 }
2876
mt7915_mcu_exit(struct mt7915_dev * dev)2877 void mt7915_mcu_exit(struct mt7915_dev *dev)
2878 {
2879 u32 reg = mt7915_reg_map_l1(dev, MT_TOP_MISC);
2880
2881 __mt76_mcu_restart(&dev->mt76);
2882 if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
2883 FIELD_PREP(MT_TOP_MISC_FW_STATE,
2884 FW_STATE_FW_DOWNLOAD), 1000)) {
2885 dev_err(dev->mt76.dev, "Failed to exit mcu\n");
2886 return;
2887 }
2888
2889 reg = mt7915_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
2890 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_FW_OWN);
2891 skb_queue_purge(&dev->mt76.mcu.res_q);
2892 }
2893
mt7915_mcu_set_mac(struct mt7915_dev * dev,int band,bool enable,bool hdr_trans)2894 int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band,
2895 bool enable, bool hdr_trans)
2896 {
2897 struct {
2898 u8 operation;
2899 u8 enable;
2900 u8 check_bssid;
2901 u8 insert_vlan;
2902 u8 remove_vlan;
2903 u8 tid;
2904 u8 mode;
2905 u8 rsv;
2906 } __packed req_trans = {
2907 .enable = hdr_trans,
2908 };
2909 struct {
2910 u8 enable;
2911 u8 band;
2912 u8 rsv[2];
2913 } __packed req_mac = {
2914 .enable = enable,
2915 .band = band,
2916 };
2917 int ret;
2918
2919 ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RX_HDR_TRANS,
2920 &req_trans, sizeof(req_trans), false);
2921 if (ret)
2922 return ret;
2923
2924 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MAC_INIT_CTRL,
2925 &req_mac, sizeof(req_mac), true);
2926 }
2927
mt7915_mcu_set_scs(struct mt7915_dev * dev,u8 band,bool enable)2928 int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable)
2929 {
2930 struct {
2931 __le32 cmd;
2932 u8 band;
2933 u8 enable;
2934 } __packed req = {
2935 .cmd = cpu_to_le32(SCS_ENABLE),
2936 .band = band,
2937 .enable = enable + 1,
2938 };
2939
2940 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SCS_CTRL, &req,
2941 sizeof(req), false);
2942 }
2943
mt7915_mcu_set_rts_thresh(struct mt7915_phy * phy,u32 val)2944 int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val)
2945 {
2946 struct mt7915_dev *dev = phy->dev;
2947 struct {
2948 u8 prot_idx;
2949 u8 band;
2950 u8 rsv[2];
2951 __le32 len_thresh;
2952 __le32 pkt_thresh;
2953 } __packed req = {
2954 .prot_idx = 1,
2955 .band = phy != &dev->phy,
2956 .len_thresh = cpu_to_le32(val),
2957 .pkt_thresh = cpu_to_le32(0x2),
2958 };
2959
2960 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PROTECT_CTRL,
2961 &req, sizeof(req), true);
2962 }
2963
mt7915_mcu_set_tx(struct mt7915_dev * dev,struct ieee80211_vif * vif)2964 int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif)
2965 {
2966 #define WMM_AIFS_SET BIT(0)
2967 #define WMM_CW_MIN_SET BIT(1)
2968 #define WMM_CW_MAX_SET BIT(2)
2969 #define WMM_TXOP_SET BIT(3)
2970 #define WMM_PARAM_SET GENMASK(3, 0)
2971 #define TX_CMD_MODE 1
2972 struct edca {
2973 u8 queue;
2974 u8 set;
2975 u8 aifs;
2976 u8 cw_min;
2977 __le16 cw_max;
2978 __le16 txop;
2979 };
2980 struct mt7915_mcu_tx {
2981 u8 total;
2982 u8 action;
2983 u8 valid;
2984 u8 mode;
2985
2986 struct edca edca[IEEE80211_NUM_ACS];
2987 } __packed req = {
2988 .valid = true,
2989 .mode = TX_CMD_MODE,
2990 .total = IEEE80211_NUM_ACS,
2991 };
2992 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
2993 int ac;
2994
2995 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
2996 struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac];
2997 struct edca *e = &req.edca[ac];
2998
2999 e->set = WMM_PARAM_SET;
3000 e->queue = ac + mvif->wmm_idx * MT7915_MAX_WMM_SETS;
3001 e->aifs = q->aifs;
3002 e->txop = cpu_to_le16(q->txop);
3003
3004 if (q->cw_min)
3005 e->cw_min = fls(q->cw_min);
3006 else
3007 e->cw_min = 5;
3008
3009 if (q->cw_max)
3010 e->cw_max = cpu_to_le16(fls(q->cw_max));
3011 else
3012 e->cw_max = cpu_to_le16(10);
3013 }
3014 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE,
3015 &req, sizeof(req), true);
3016 }
3017
mt7915_mcu_set_pm(struct mt7915_dev * dev,int band,int enter)3018 int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter)
3019 {
3020 #define ENTER_PM_STATE 1
3021 #define EXIT_PM_STATE 2
3022 struct {
3023 u8 pm_number;
3024 u8 pm_state;
3025 u8 bssid[ETH_ALEN];
3026 u8 dtim_period;
3027 u8 wlan_idx_lo;
3028 __le16 bcn_interval;
3029 __le32 aid;
3030 __le32 rx_filter;
3031 u8 band_idx;
3032 u8 wlan_idx_hi;
3033 u8 rsv[2];
3034 __le32 feature;
3035 u8 omac_idx;
3036 u8 wmm_idx;
3037 u8 bcn_loss_cnt;
3038 u8 bcn_sp_duration;
3039 } __packed req = {
3040 .pm_number = 5,
3041 .pm_state = (enter) ? ENTER_PM_STATE : EXIT_PM_STATE,
3042 .band_idx = band,
3043 };
3044
3045 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PM_STATE_CTRL,
3046 &req, sizeof(req), true);
3047 }
3048
mt7915_mcu_rdd_cmd(struct mt7915_dev * dev,enum mt7915_rdd_cmd cmd,u8 index,u8 rx_sel,u8 val)3049 int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev,
3050 enum mt7915_rdd_cmd cmd, u8 index,
3051 u8 rx_sel, u8 val)
3052 {
3053 struct {
3054 u8 ctrl;
3055 u8 rdd_idx;
3056 u8 rdd_rx_sel;
3057 u8 val;
3058 u8 rsv[4];
3059 } __packed req = {
3060 .ctrl = cmd,
3061 .rdd_idx = index,
3062 .rdd_rx_sel = rx_sel,
3063 .val = val,
3064 };
3065
3066 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_CTRL,
3067 &req, sizeof(req), true);
3068 }
3069
mt7915_mcu_set_fcc5_lpn(struct mt7915_dev * dev,int val)3070 int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val)
3071 {
3072 struct {
3073 __le32 tag;
3074 __le16 min_lpn;
3075 u8 rsv[2];
3076 } __packed req = {
3077 .tag = cpu_to_le32(0x1),
3078 .min_lpn = cpu_to_le16(val),
3079 };
3080
3081 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
3082 &req, sizeof(req), true);
3083 }
3084
mt7915_mcu_set_pulse_th(struct mt7915_dev * dev,const struct mt7915_dfs_pulse * pulse)3085 int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
3086 const struct mt7915_dfs_pulse *pulse)
3087 {
3088 struct {
3089 __le32 tag;
3090
3091 __le32 max_width; /* us */
3092 __le32 max_pwr; /* dbm */
3093 __le32 min_pwr; /* dbm */
3094 __le32 min_stgr_pri; /* us */
3095 __le32 max_stgr_pri; /* us */
3096 __le32 min_cr_pri; /* us */
3097 __le32 max_cr_pri; /* us */
3098 } __packed req = {
3099 .tag = cpu_to_le32(0x3),
3100
3101 #define __req_field(field) .field = cpu_to_le32(pulse->field)
3102 __req_field(max_width),
3103 __req_field(max_pwr),
3104 __req_field(min_pwr),
3105 __req_field(min_stgr_pri),
3106 __req_field(max_stgr_pri),
3107 __req_field(min_cr_pri),
3108 __req_field(max_cr_pri),
3109 #undef __req_field
3110 };
3111
3112 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
3113 &req, sizeof(req), true);
3114 }
3115
mt7915_mcu_set_radar_th(struct mt7915_dev * dev,int index,const struct mt7915_dfs_pattern * pattern)3116 int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
3117 const struct mt7915_dfs_pattern *pattern)
3118 {
3119 struct {
3120 __le32 tag;
3121 __le16 radar_type;
3122
3123 u8 enb;
3124 u8 stgr;
3125 u8 min_crpn;
3126 u8 max_crpn;
3127 u8 min_crpr;
3128 u8 min_pw;
3129 u32 min_pri;
3130 u32 max_pri;
3131 u8 max_pw;
3132 u8 min_crbn;
3133 u8 max_crbn;
3134 u8 min_stgpn;
3135 u8 max_stgpn;
3136 u8 min_stgpr;
3137 u8 rsv[2];
3138 u32 min_stgpr_diff;
3139 } __packed req = {
3140 .tag = cpu_to_le32(0x2),
3141 .radar_type = cpu_to_le16(index),
3142
3143 #define __req_field_u8(field) .field = pattern->field
3144 #define __req_field_u32(field) .field = cpu_to_le32(pattern->field)
3145 __req_field_u8(enb),
3146 __req_field_u8(stgr),
3147 __req_field_u8(min_crpn),
3148 __req_field_u8(max_crpn),
3149 __req_field_u8(min_crpr),
3150 __req_field_u8(min_pw),
3151 __req_field_u32(min_pri),
3152 __req_field_u32(max_pri),
3153 __req_field_u8(max_pw),
3154 __req_field_u8(min_crbn),
3155 __req_field_u8(max_crbn),
3156 __req_field_u8(min_stgpn),
3157 __req_field_u8(max_stgpn),
3158 __req_field_u8(min_stgpr),
3159 __req_field_u32(min_stgpr_diff),
3160 #undef __req_field_u8
3161 #undef __req_field_u32
3162 };
3163
3164 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
3165 &req, sizeof(req), true);
3166 }
3167
mt7915_mcu_set_chan_info(struct mt7915_phy * phy,int cmd)3168 int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd)
3169 {
3170 struct mt7915_dev *dev = phy->dev;
3171 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
3172 int freq1 = chandef->center_freq1;
3173 struct {
3174 u8 control_ch;
3175 u8 center_ch;
3176 u8 bw;
3177 u8 tx_streams_num;
3178 u8 rx_streams; /* mask or num */
3179 u8 switch_reason;
3180 u8 band_idx;
3181 u8 center_ch2; /* for 80+80 only */
3182 __le16 cac_case;
3183 u8 channel_band;
3184 u8 rsv0;
3185 __le32 outband_freq;
3186 u8 txpower_drop;
3187 u8 ap_bw;
3188 u8 ap_center_ch;
3189 u8 rsv1[57];
3190 } __packed req = {
3191 .control_ch = chandef->chan->hw_value,
3192 .center_ch = ieee80211_frequency_to_channel(freq1),
3193 .bw = mt7915_mcu_chan_bw(chandef),
3194 .tx_streams_num = hweight8(phy->mt76->antenna_mask),
3195 .rx_streams = phy->chainmask,
3196 .band_idx = phy != &dev->phy,
3197 .channel_band = chandef->chan->band,
3198 };
3199
3200 if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
3201 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
3202 else if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) &&
3203 chandef->chan->dfs_state != NL80211_DFS_AVAILABLE)
3204 req.switch_reason = CH_SWITCH_DFS;
3205 else
3206 req.switch_reason = CH_SWITCH_NORMAL;
3207
3208 if (cmd == MCU_EXT_CMD_CHANNEL_SWITCH)
3209 req.rx_streams = hweight8(req.rx_streams);
3210
3211 if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
3212 int freq2 = chandef->center_freq2;
3213
3214 req.center_ch2 = ieee80211_frequency_to_channel(freq2);
3215 }
3216
3217 return __mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
3218 }
3219
mt7915_mcu_set_eeprom(struct mt7915_dev * dev)3220 int mt7915_mcu_set_eeprom(struct mt7915_dev *dev)
3221 {
3222 struct req_hdr {
3223 u8 buffer_mode;
3224 u8 format;
3225 __le16 len;
3226 } __packed req = {
3227 .buffer_mode = EE_MODE_EFUSE,
3228 .format = EE_FORMAT_WHOLE,
3229 };
3230
3231 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
3232 &req, sizeof(req), true);
3233 }
3234
mt7915_mcu_get_eeprom(struct mt7915_dev * dev,u32 offset)3235 int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset)
3236 {
3237 struct mt7915_mcu_eeprom_info req = {
3238 .addr = cpu_to_le32(round_down(offset, 16)),
3239 };
3240
3241 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_ACCESS, &req,
3242 sizeof(req), true);
3243 }
3244
mt7915_mcu_get_temperature(struct mt7915_dev * dev,int index)3245 int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index)
3246 {
3247 struct {
3248 u8 ctrl_id;
3249 u8 action;
3250 u8 band;
3251 u8 rsv[5];
3252 } req = {
3253 .ctrl_id = THERMAL_SENSOR_TEMP_QUERY,
3254 .action = index,
3255 };
3256
3257 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_THERMAL_CTRL, &req,
3258 sizeof(req), true);
3259 }
3260
mt7915_mcu_get_rate_info(struct mt7915_dev * dev,u32 cmd,u16 wlan_idx)3261 int mt7915_mcu_get_rate_info(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx)
3262 {
3263 struct {
3264 __le32 cmd;
3265 __le16 wlan_idx;
3266 __le16 ru_idx;
3267 __le16 direction;
3268 __le16 dump_group;
3269 } req = {
3270 .cmd = cpu_to_le32(cmd),
3271 .wlan_idx = cpu_to_le16(wlan_idx),
3272 .dump_group = cpu_to_le16(1),
3273 };
3274
3275 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RATE_CTRL, &req,
3276 sizeof(req), false);
3277 }
3278
mt7915_mcu_set_sku(struct mt7915_phy * phy)3279 int mt7915_mcu_set_sku(struct mt7915_phy *phy)
3280 {
3281 struct mt7915_dev *dev = phy->dev;
3282 struct mt76_phy *mphy = phy->mt76;
3283 struct ieee80211_hw *hw = mphy->hw;
3284 struct mt7915_sku_val {
3285 u8 format_id;
3286 u8 limit_type;
3287 u8 dbdc_idx;
3288 s8 val[MT7915_SKU_RATE_NUM];
3289 } __packed req = {
3290 .format_id = 4,
3291 .dbdc_idx = phy != &dev->phy,
3292 };
3293 int i;
3294 s8 *delta;
3295
3296 delta = dev->rate_power[mphy->chandef.chan->band];
3297 mphy->txpower_cur = hw->conf.power_level * 2 +
3298 delta[MT7915_SKU_MAX_DELTA_IDX];
3299
3300 for (i = 0; i < MT7915_SKU_RATE_NUM; i++)
3301 req.val[i] = hw->conf.power_level * 2 + delta[i];
3302
3303 return __mt76_mcu_send_msg(&dev->mt76,
3304 MCU_EXT_CMD_TX_POWER_FEATURE_CTRL,
3305 &req, sizeof(req), true);
3306 }
3307
mt7915_mcu_set_sku_en(struct mt7915_phy * phy,bool enable)3308 int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable)
3309 {
3310 struct mt7915_dev *dev = phy->dev;
3311 struct mt7915_sku {
3312 u8 format_id;
3313 u8 sku_enable;
3314 u8 dbdc_idx;
3315 u8 rsv;
3316 } __packed req = {
3317 .format_id = 0,
3318 .dbdc_idx = phy != &dev->phy,
3319 .sku_enable = enable,
3320 };
3321
3322 return __mt76_mcu_send_msg(&dev->mt76,
3323 MCU_EXT_CMD_TX_POWER_FEATURE_CTRL,
3324 &req, sizeof(req), true);
3325 }
3326
mt7915_mcu_set_ser(struct mt7915_dev * dev,u8 action,u8 set,u8 band)3327 int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band)
3328 {
3329 struct {
3330 u8 action;
3331 u8 set;
3332 u8 band;
3333 u8 rsv;
3334 } req = {
3335 .action = action,
3336 .set = set,
3337 .band = band,
3338 };
3339
3340 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_SER_TRIGGER,
3341 &req, sizeof(req), false);
3342 }
3343
mt7915_mcu_set_txbf_type(struct mt7915_dev * dev)3344 int mt7915_mcu_set_txbf_type(struct mt7915_dev *dev)
3345 {
3346 #define MT_BF_TYPE_UPDATE 20
3347 struct {
3348 u8 action;
3349 bool ebf;
3350 bool ibf;
3351 u8 rsv;
3352 } __packed req = {
3353 .action = MT_BF_TYPE_UPDATE,
3354 .ebf = true,
3355 .ibf = false,
3356 };
3357
3358 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_TXBF_ACTION,
3359 &req, sizeof(req), true);
3360 }
3361
mt7915_mcu_set_txbf_sounding(struct mt7915_dev * dev)3362 int mt7915_mcu_set_txbf_sounding(struct mt7915_dev *dev)
3363 {
3364 #define MT_BF_PROCESSING 4
3365 struct {
3366 u8 action;
3367 u8 snd_mode;
3368 u8 sta_num;
3369 u8 rsv;
3370 u8 wlan_idx[4];
3371 __le32 snd_period; /* ms */
3372 } __packed req = {
3373 .action = true,
3374 .snd_mode = MT_BF_PROCESSING,
3375 };
3376
3377 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_TXBF_ACTION,
3378 &req, sizeof(req), true);
3379 }
3380
mt7915_mcu_add_obss_spr(struct mt7915_dev * dev,struct ieee80211_vif * vif,bool enable)3381 int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif,
3382 bool enable)
3383 {
3384 #define MT_SPR_ENABLE 1
3385 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
3386 struct {
3387 u8 action;
3388 u8 arg_num;
3389 u8 band_idx;
3390 u8 status;
3391 u8 drop_tx_idx;
3392 u8 sta_idx; /* 256 sta */
3393 u8 rsv[2];
3394 __le32 val;
3395 } __packed req = {
3396 .action = MT_SPR_ENABLE,
3397 .arg_num = 1,
3398 .band_idx = mvif->band_idx,
3399 .val = cpu_to_le32(enable),
3400 };
3401
3402 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_SPR,
3403 &req, sizeof(req), true);
3404 }
3405