1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (C) 2022 MediaTek Inc.
4 */
5
6 #include <linux/firmware.h>
7 #include <linux/fs.h>
8 #include "mt7996.h"
9 #include "mcu.h"
10 #include "mac.h"
11 #include "eeprom.h"
12
13 #define fw_name(_dev, name, ...) ({ \
14 char *_fw; \
15 switch (mt76_chip(&(_dev)->mt76)) { \
16 case MT7992_DEVICE_ID: \
17 switch ((_dev)->var.type) { \
18 case MT7992_VAR_TYPE_23: \
19 _fw = MT7992_##name##_23; \
20 break; \
21 default: \
22 _fw = MT7992_##name; \
23 } \
24 break; \
25 case MT7990_DEVICE_ID: \
26 _fw = MT7990_##name; \
27 break; \
28 case MT7996_DEVICE_ID: \
29 default: \
30 switch ((_dev)->var.type) { \
31 case MT7996_VAR_TYPE_233: \
32 _fw = MT7996_##name##_233; \
33 break; \
34 default: \
35 _fw = MT7996_##name; \
36 } \
37 break; \
38 } \
39 _fw; \
40 })
41
42 struct mt7996_patch_hdr {
43 char build_date[16];
44 char platform[4];
45 __be32 hw_sw_ver;
46 __be32 patch_ver;
47 __be16 checksum;
48 u16 reserved;
49 struct {
50 __be32 patch_ver;
51 __be32 subsys;
52 __be32 feature;
53 __be32 n_region;
54 __be32 crc;
55 u32 reserved[11];
56 } desc;
57 } __packed;
58
59 struct mt7996_patch_sec {
60 __be32 type;
61 __be32 offs;
62 __be32 size;
63 union {
64 __be32 spec[13];
65 struct {
66 __be32 addr;
67 __be32 len;
68 __be32 sec_key_idx;
69 __be32 align_len;
70 u32 reserved[9];
71 } info;
72 };
73 } __packed;
74
75 struct mt7996_fw_trailer {
76 u8 chip_id;
77 u8 eco_code;
78 u8 n_region;
79 u8 format_ver;
80 u8 format_flag;
81 u8 reserved[2];
82 char fw_ver[10];
83 char build_date[15];
84 u32 crc;
85 } __packed;
86
87 struct mt7996_fw_region {
88 __le32 decomp_crc;
89 __le32 decomp_len;
90 __le32 decomp_blk_sz;
91 u8 reserved[4];
92 __le32 addr;
93 __le32 len;
94 u8 feature_set;
95 u8 reserved1[15];
96 } __packed;
97
98 #define MCU_PATCH_ADDRESS 0x200000
99
100 #define HE_PHY(p, c) u8_get_bits(c, IEEE80211_HE_PHY_##p)
101 #define HE_MAC(m, c) u8_get_bits(c, IEEE80211_HE_MAC_##m)
102 #define EHT_PHY(p, c) u8_get_bits(c, IEEE80211_EHT_PHY_##p)
103
104 static bool sr_scene_detect = true;
105 module_param(sr_scene_detect, bool, 0644);
106 MODULE_PARM_DESC(sr_scene_detect, "Enable firmware scene detection algorithm");
107
108 static u8
mt7996_mcu_get_sta_nss(u16 mcs_map)109 mt7996_mcu_get_sta_nss(u16 mcs_map)
110 {
111 u8 nss;
112
113 for (nss = 8; nss > 0; nss--) {
114 u8 nss_mcs = (mcs_map >> (2 * (nss - 1))) & 3;
115
116 if (nss_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED)
117 break;
118 }
119
120 return nss - 1;
121 }
122
123 static void
mt7996_mcu_set_sta_he_mcs(struct ieee80211_link_sta * link_sta,struct mt7996_vif_link * link,__le16 * he_mcs,u16 mcs_map)124 mt7996_mcu_set_sta_he_mcs(struct ieee80211_link_sta *link_sta,
125 struct mt7996_vif_link *link,
126 __le16 *he_mcs, u16 mcs_map)
127 {
128 int nss, max_nss = link_sta->rx_nss > 3 ? 4 : link_sta->rx_nss;
129 enum nl80211_band band = link->phy->mt76->chandef.chan->band;
130 const u16 *mask = link->bitrate_mask.control[band].he_mcs;
131
132 for (nss = 0; nss < max_nss; nss++) {
133 int mcs;
134
135 switch ((mcs_map >> (2 * nss)) & 0x3) {
136 case IEEE80211_HE_MCS_SUPPORT_0_11:
137 mcs = GENMASK(11, 0);
138 break;
139 case IEEE80211_HE_MCS_SUPPORT_0_9:
140 mcs = GENMASK(9, 0);
141 break;
142 case IEEE80211_HE_MCS_SUPPORT_0_7:
143 mcs = GENMASK(7, 0);
144 break;
145 default:
146 mcs = 0;
147 }
148
149 mcs = mcs ? fls(mcs & mask[nss]) - 1 : -1;
150
151 switch (mcs) {
152 case 0 ... 7:
153 mcs = IEEE80211_HE_MCS_SUPPORT_0_7;
154 break;
155 case 8 ... 9:
156 mcs = IEEE80211_HE_MCS_SUPPORT_0_9;
157 break;
158 case 10 ... 11:
159 mcs = IEEE80211_HE_MCS_SUPPORT_0_11;
160 break;
161 default:
162 mcs = IEEE80211_HE_MCS_NOT_SUPPORTED;
163 break;
164 }
165 mcs_map &= ~(0x3 << (nss * 2));
166 mcs_map |= mcs << (nss * 2);
167 }
168
169 *he_mcs = cpu_to_le16(mcs_map);
170 }
171
172 static void
mt7996_mcu_set_sta_vht_mcs(struct ieee80211_link_sta * link_sta,__le16 * vht_mcs,const u16 * mask)173 mt7996_mcu_set_sta_vht_mcs(struct ieee80211_link_sta *link_sta,
174 __le16 *vht_mcs, const u16 *mask)
175 {
176 u16 mcs, mcs_map = le16_to_cpu(link_sta->vht_cap.vht_mcs.rx_mcs_map);
177 int nss, max_nss = link_sta->rx_nss > 3 ? 4 : link_sta->rx_nss;
178
179 for (nss = 0; nss < max_nss; nss++, mcs_map >>= 2) {
180 switch (mcs_map & 0x3) {
181 case IEEE80211_VHT_MCS_SUPPORT_0_9:
182 mcs = GENMASK(9, 0);
183 break;
184 case IEEE80211_VHT_MCS_SUPPORT_0_8:
185 mcs = GENMASK(8, 0);
186 break;
187 case IEEE80211_VHT_MCS_SUPPORT_0_7:
188 mcs = GENMASK(7, 0);
189 break;
190 default:
191 mcs = 0;
192 }
193
194 vht_mcs[nss] = cpu_to_le16(mcs & mask[nss]);
195 }
196 }
197
198 static void
mt7996_mcu_set_sta_ht_mcs(struct ieee80211_link_sta * link_sta,u8 * ht_mcs,const u8 * mask)199 mt7996_mcu_set_sta_ht_mcs(struct ieee80211_link_sta *link_sta,
200 u8 *ht_mcs, const u8 *mask)
201 {
202 int nss, max_nss = link_sta->rx_nss > 3 ? 4 : link_sta->rx_nss;
203
204 for (nss = 0; nss < max_nss; nss++)
205 ht_mcs[nss] = link_sta->ht_cap.mcs.rx_mask[nss] & mask[nss];
206 }
207
208 static int
mt7996_mcu_parse_response(struct mt76_dev * mdev,int cmd,struct sk_buff * skb,int seq)209 mt7996_mcu_parse_response(struct mt76_dev *mdev, int cmd,
210 struct sk_buff *skb, int seq)
211 {
212 struct mt7996_mcu_rxd *rxd;
213 struct mt7996_mcu_uni_event *event;
214 int mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
215 int ret = 0;
216
217 if (!skb) {
218 dev_err(mdev->dev, "Message %08x (seq %d) timeout\n",
219 cmd, seq);
220 return -ETIMEDOUT;
221 }
222
223 rxd = (struct mt7996_mcu_rxd *)skb->data;
224 if (seq != rxd->seq)
225 return -EAGAIN;
226
227 if (cmd == MCU_CMD(PATCH_SEM_CONTROL)) {
228 skb_pull(skb, sizeof(*rxd) - 4);
229 ret = *skb->data;
230 } else if ((rxd->option & MCU_UNI_CMD_EVENT) &&
231 rxd->eid == MCU_UNI_EVENT_RESULT) {
232 skb_pull(skb, sizeof(*rxd));
233 event = (struct mt7996_mcu_uni_event *)skb->data;
234 ret = le32_to_cpu(event->status);
235 /* skip invalid event */
236 if (mcu_cmd != event->cid)
237 ret = -EAGAIN;
238 } else {
239 skb_pull(skb, sizeof(struct mt7996_mcu_rxd));
240 }
241
242 return ret;
243 }
244
245 static int
mt7996_mcu_send_message(struct mt76_dev * mdev,struct sk_buff * skb,int cmd,int * wait_seq)246 mt7996_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
247 int cmd, int *wait_seq)
248 {
249 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
250 int txd_len, mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
251 struct mt76_connac2_mcu_uni_txd *uni_txd;
252 struct mt76_connac2_mcu_txd *mcu_txd;
253 enum mt76_mcuq_id qid;
254 __le32 *txd;
255 u32 val;
256 u8 seq;
257
258 mdev->mcu.timeout = 20 * HZ;
259
260 seq = ++dev->mt76.mcu.msg_seq & 0xf;
261 if (!seq)
262 seq = ++dev->mt76.mcu.msg_seq & 0xf;
263
264 if (cmd == MCU_CMD(FW_SCATTER)) {
265 qid = MT_MCUQ_FWDL;
266 goto exit;
267 }
268
269 txd_len = cmd & __MCU_CMD_FIELD_UNI ? sizeof(*uni_txd) : sizeof(*mcu_txd);
270 txd = (__le32 *)skb_push(skb, txd_len);
271 if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state) && mt7996_has_wa(dev))
272 qid = MT_MCUQ_WA;
273 else
274 qid = MT_MCUQ_WM;
275
276 val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
277 FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CMD) |
278 FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_MCU_PORT_RX_Q0);
279 txd[0] = cpu_to_le32(val);
280
281 val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
282 txd[1] = cpu_to_le32(val);
283
284 if (cmd & __MCU_CMD_FIELD_UNI) {
285 uni_txd = (struct mt76_connac2_mcu_uni_txd *)txd;
286 uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd));
287 uni_txd->cid = cpu_to_le16(mcu_cmd);
288 uni_txd->s2d_index = MCU_S2D_H2CN;
289 uni_txd->pkt_type = MCU_PKT_ID;
290 uni_txd->seq = seq;
291
292 if (cmd & __MCU_CMD_FIELD_QUERY)
293 uni_txd->option = MCU_CMD_UNI_QUERY_ACK;
294 else
295 uni_txd->option = MCU_CMD_UNI_EXT_ACK;
296
297 if ((cmd & __MCU_CMD_FIELD_WA) && (cmd & __MCU_CMD_FIELD_WM))
298 uni_txd->s2d_index = MCU_S2D_H2CN;
299 else if (cmd & __MCU_CMD_FIELD_WA)
300 uni_txd->s2d_index = MCU_S2D_H2C;
301 else if (cmd & __MCU_CMD_FIELD_WM)
302 uni_txd->s2d_index = MCU_S2D_H2N;
303
304 goto exit;
305 }
306
307 mcu_txd = (struct mt76_connac2_mcu_txd *)txd;
308 mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
309 mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU,
310 MT_TX_MCU_PORT_RX_Q0));
311 mcu_txd->pkt_type = MCU_PKT_ID;
312 mcu_txd->seq = seq;
313
314 mcu_txd->cid = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
315 mcu_txd->set_query = MCU_Q_NA;
316 mcu_txd->ext_cid = FIELD_GET(__MCU_CMD_FIELD_EXT_ID, cmd);
317 if (mcu_txd->ext_cid) {
318 mcu_txd->ext_cid_ack = 1;
319
320 if (cmd & __MCU_CMD_FIELD_QUERY)
321 mcu_txd->set_query = MCU_Q_QUERY;
322 else
323 mcu_txd->set_query = MCU_Q_SET;
324 }
325
326 if (cmd & __MCU_CMD_FIELD_WA)
327 mcu_txd->s2d_index = MCU_S2D_H2C;
328 else
329 mcu_txd->s2d_index = MCU_S2D_H2N;
330
331 exit:
332 if (wait_seq)
333 *wait_seq = seq;
334
335 return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[qid], skb, 0);
336 }
337
mt7996_mcu_wa_cmd(struct mt7996_dev * dev,int cmd,u32 a1,u32 a2,u32 a3)338 int mt7996_mcu_wa_cmd(struct mt7996_dev *dev, int cmd, u32 a1, u32 a2, u32 a3)
339 {
340 struct {
341 u8 _rsv[4];
342
343 __le16 tag;
344 __le16 len;
345 __le32 args[3];
346 } __packed req = {
347 .args = {
348 cpu_to_le32(a1),
349 cpu_to_le32(a2),
350 cpu_to_le32(a3),
351 },
352 };
353
354 if (mt7996_has_wa(dev))
355 return mt76_mcu_send_msg(&dev->mt76, cmd, &req.args,
356 sizeof(req.args), false);
357
358 req.tag = cpu_to_le16(cmd == MCU_WA_PARAM_CMD(QUERY) ? UNI_CMD_SDO_QUERY :
359 UNI_CMD_SDO_SET);
360 req.len = cpu_to_le16(sizeof(req) - 4);
361
362 return mt76_mcu_send_msg(&dev->mt76, MCU_WA_UNI_CMD(SDO), &req,
363 sizeof(req), false);
364 }
365
366 static void
mt7996_mcu_csa_finish(void * priv,u8 * mac,struct ieee80211_vif * vif)367 mt7996_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
368 {
369 if (!vif->bss_conf.csa_active || vif->type == NL80211_IFTYPE_STATION)
370 return;
371
372 ieee80211_csa_finish(vif, 0);
373 }
374
375 static void
mt7996_mcu_rx_radar_detected(struct mt7996_dev * dev,struct sk_buff * skb)376 mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb)
377 {
378 struct mt76_phy *mphy = &dev->mt76.phy;
379 struct mt7996_mcu_rdd_report *r;
380
381 r = (struct mt7996_mcu_rdd_report *)skb->data;
382
383 switch (r->rdd_idx) {
384 case MT_RDD_IDX_BAND2:
385 mphy = dev->mt76.phys[MT_BAND2];
386 break;
387 case MT_RDD_IDX_BAND1:
388 mphy = dev->mt76.phys[MT_BAND1];
389 break;
390 case MT_RDD_IDX_BACKGROUND:
391 if (!dev->rdd2_phy)
392 return;
393 mphy = dev->rdd2_phy->mt76;
394 break;
395 default:
396 dev_err(dev->mt76.dev, "Unknown RDD idx %d\n", r->rdd_idx);
397 return;
398 }
399
400 if (!mphy)
401 return;
402
403 if (r->rdd_idx == MT_RDD_IDX_BACKGROUND)
404 cfg80211_background_radar_event(mphy->hw->wiphy,
405 &dev->rdd2_chandef,
406 GFP_ATOMIC);
407 else
408 ieee80211_radar_detected(mphy->hw, NULL);
409 dev->hw_pattern++;
410 }
411
412 static void
mt7996_mcu_rx_log_message(struct mt7996_dev * dev,struct sk_buff * skb)413 mt7996_mcu_rx_log_message(struct mt7996_dev *dev, struct sk_buff *skb)
414 {
415 #define UNI_EVENT_FW_LOG_FORMAT 0
416 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
417 const char *data = (char *)&rxd[1] + 4, *type;
418 struct tlv *tlv = (struct tlv *)data;
419 int len;
420
421 if (!(rxd->option & MCU_UNI_CMD_EVENT)) {
422 len = skb->len - sizeof(*rxd);
423 data = (char *)&rxd[1];
424 goto out;
425 }
426
427 if (le16_to_cpu(tlv->tag) != UNI_EVENT_FW_LOG_FORMAT)
428 return;
429
430 data += sizeof(*tlv) + 4;
431 len = le16_to_cpu(tlv->len) - sizeof(*tlv) - 4;
432
433 out:
434 switch (rxd->s2d_index) {
435 case 0:
436 if (mt7996_debugfs_rx_log(dev, data, len))
437 return;
438
439 type = "WM";
440 break;
441 case 2:
442 type = "WA";
443 break;
444 default:
445 type = "unknown";
446 break;
447 }
448
449 wiphy_info(mt76_hw(dev)->wiphy, "%s: %.*s", type, len, data);
450 }
451
452 static void
mt7996_mcu_cca_finish(void * priv,u8 * mac,struct ieee80211_vif * vif)453 mt7996_mcu_cca_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
454 {
455 if (!vif->bss_conf.color_change_active || vif->type == NL80211_IFTYPE_STATION)
456 return;
457
458 ieee80211_color_change_finish(vif, 0);
459 }
460
461 static void
mt7996_mcu_ie_countdown(struct mt7996_dev * dev,struct sk_buff * skb)462 mt7996_mcu_ie_countdown(struct mt7996_dev *dev, struct sk_buff *skb)
463 {
464 #define UNI_EVENT_IE_COUNTDOWN_CSA 0
465 #define UNI_EVENT_IE_COUNTDOWN_BCC 1
466 struct header {
467 u8 band;
468 u8 rsv[3];
469 };
470 struct mt76_phy *mphy = &dev->mt76.phy;
471 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
472 const char *data = (char *)&rxd[1], *tail;
473 struct header *hdr = (struct header *)data;
474 struct tlv *tlv = (struct tlv *)(data + 4);
475
476 if (hdr->band >= ARRAY_SIZE(dev->mt76.phys))
477 return;
478
479 if (hdr->band && dev->mt76.phys[hdr->band])
480 mphy = dev->mt76.phys[hdr->band];
481
482 tail = skb->data + skb->len;
483 data += sizeof(struct header);
484 while (data + sizeof(struct tlv) < tail && le16_to_cpu(tlv->len)) {
485 switch (le16_to_cpu(tlv->tag)) {
486 case UNI_EVENT_IE_COUNTDOWN_CSA:
487 ieee80211_iterate_active_interfaces_atomic(mphy->hw,
488 IEEE80211_IFACE_ITER_RESUME_ALL,
489 mt7996_mcu_csa_finish, mphy->hw);
490 break;
491 case UNI_EVENT_IE_COUNTDOWN_BCC:
492 ieee80211_iterate_active_interfaces_atomic(mphy->hw,
493 IEEE80211_IFACE_ITER_RESUME_ALL,
494 mt7996_mcu_cca_finish, mphy->hw);
495 break;
496 }
497
498 data += le16_to_cpu(tlv->len);
499 tlv = (struct tlv *)data;
500 }
501 }
502
503 static int
mt7996_mcu_update_tx_gi(struct rate_info * rate,struct all_sta_trx_rate * mcu_rate)504 mt7996_mcu_update_tx_gi(struct rate_info *rate, struct all_sta_trx_rate *mcu_rate)
505 {
506 switch (mcu_rate->tx_mode) {
507 case MT_PHY_TYPE_CCK:
508 case MT_PHY_TYPE_OFDM:
509 break;
510 case MT_PHY_TYPE_HT:
511 case MT_PHY_TYPE_HT_GF:
512 case MT_PHY_TYPE_VHT:
513 if (mcu_rate->tx_gi)
514 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
515 else
516 rate->flags &= ~RATE_INFO_FLAGS_SHORT_GI;
517 break;
518 case MT_PHY_TYPE_HE_SU:
519 case MT_PHY_TYPE_HE_EXT_SU:
520 case MT_PHY_TYPE_HE_TB:
521 case MT_PHY_TYPE_HE_MU:
522 if (mcu_rate->tx_gi > NL80211_RATE_INFO_HE_GI_3_2)
523 return -EINVAL;
524 rate->he_gi = mcu_rate->tx_gi;
525 break;
526 case MT_PHY_TYPE_EHT_SU:
527 case MT_PHY_TYPE_EHT_TRIG:
528 case MT_PHY_TYPE_EHT_MU:
529 if (mcu_rate->tx_gi > NL80211_RATE_INFO_EHT_GI_3_2)
530 return -EINVAL;
531 rate->eht_gi = mcu_rate->tx_gi;
532 break;
533 default:
534 return -EINVAL;
535 }
536
537 return 0;
538 }
539
540 static void
mt7996_mcu_rx_all_sta_info_event(struct mt7996_dev * dev,struct sk_buff * skb)541 mt7996_mcu_rx_all_sta_info_event(struct mt7996_dev *dev, struct sk_buff *skb)
542 {
543 struct mt7996_mcu_all_sta_info_event *res;
544 u16 i;
545
546 skb_pull(skb, sizeof(struct mt7996_mcu_rxd));
547
548 res = (struct mt7996_mcu_all_sta_info_event *)skb->data;
549
550 for (i = 0; i < le16_to_cpu(res->sta_num); i++) {
551 u8 ac;
552 u16 wlan_idx;
553 struct mt76_wcid *wcid;
554
555 switch (le16_to_cpu(res->tag)) {
556 case UNI_ALL_STA_TXRX_RATE:
557 wlan_idx = le16_to_cpu(res->rate[i].wlan_idx);
558 wcid = mt76_wcid_ptr(dev, wlan_idx);
559
560 if (!wcid)
561 break;
562
563 if (mt7996_mcu_update_tx_gi(&wcid->rate, &res->rate[i]))
564 dev_err(dev->mt76.dev, "Failed to update TX GI\n");
565 break;
566 case UNI_ALL_STA_TXRX_ADM_STAT:
567 wlan_idx = le16_to_cpu(res->adm_stat[i].wlan_idx);
568 wcid = mt76_wcid_ptr(dev, wlan_idx);
569
570 if (!wcid)
571 break;
572
573 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
574 wcid->stats.tx_bytes +=
575 le32_to_cpu(res->adm_stat[i].tx_bytes[ac]);
576 wcid->stats.rx_bytes +=
577 le32_to_cpu(res->adm_stat[i].rx_bytes[ac]);
578 }
579 break;
580 case UNI_ALL_STA_TXRX_MSDU_COUNT:
581 wlan_idx = le16_to_cpu(res->msdu_cnt[i].wlan_idx);
582 wcid = mt76_wcid_ptr(dev, wlan_idx);
583
584 if (!wcid)
585 break;
586
587 wcid->stats.tx_packets +=
588 le32_to_cpu(res->msdu_cnt[i].tx_msdu_cnt);
589 wcid->stats.rx_packets +=
590 le32_to_cpu(res->msdu_cnt[i].rx_msdu_cnt);
591 break;
592 default:
593 break;
594 }
595 }
596 }
597
598 static void
mt7996_mcu_rx_thermal_notify(struct mt7996_dev * dev,struct sk_buff * skb)599 mt7996_mcu_rx_thermal_notify(struct mt7996_dev *dev, struct sk_buff *skb)
600 {
601 #define THERMAL_NOTIFY_TAG 0x4
602 #define THERMAL_NOTIFY 0x2
603 struct mt76_phy *mphy = &dev->mt76.phy;
604 struct mt7996_mcu_thermal_notify *n;
605 struct mt7996_phy *phy;
606
607 n = (struct mt7996_mcu_thermal_notify *)skb->data;
608
609 if (le16_to_cpu(n->tag) != THERMAL_NOTIFY_TAG)
610 return;
611
612 if (n->event_id != THERMAL_NOTIFY)
613 return;
614
615 if (n->band_idx > MT_BAND2)
616 return;
617
618 mphy = dev->mt76.phys[n->band_idx];
619 if (!mphy)
620 return;
621
622 phy = (struct mt7996_phy *)mphy->priv;
623 phy->throttle_state = n->duty_percent;
624 }
625
626 static void
mt7996_mcu_rx_ext_event(struct mt7996_dev * dev,struct sk_buff * skb)627 mt7996_mcu_rx_ext_event(struct mt7996_dev *dev, struct sk_buff *skb)
628 {
629 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
630
631 switch (rxd->ext_eid) {
632 case MCU_EXT_EVENT_FW_LOG_2_HOST:
633 mt7996_mcu_rx_log_message(dev, skb);
634 break;
635 default:
636 break;
637 }
638 }
639
640 static void
mt7996_mcu_rx_unsolicited_event(struct mt7996_dev * dev,struct sk_buff * skb)641 mt7996_mcu_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb)
642 {
643 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
644
645 switch (rxd->eid) {
646 case MCU_EVENT_EXT:
647 mt7996_mcu_rx_ext_event(dev, skb);
648 break;
649 case MCU_UNI_EVENT_THERMAL:
650 mt7996_mcu_rx_thermal_notify(dev, skb);
651 break;
652 default:
653 break;
654 }
655 dev_kfree_skb(skb);
656 }
657
658 static void
mt7996_mcu_wed_rro_event(struct mt7996_dev * dev,struct sk_buff * skb)659 mt7996_mcu_wed_rro_event(struct mt7996_dev *dev, struct sk_buff *skb)
660 {
661 struct mt7996_mcu_wed_rro_event *event = (void *)skb->data;
662
663 if (!dev->has_rro)
664 return;
665
666 skb_pull(skb, sizeof(struct mt7996_mcu_rxd) + 4);
667
668 switch (le16_to_cpu(event->tag)) {
669 case UNI_WED_RRO_BA_SESSION_STATUS: {
670 struct mt7996_mcu_wed_rro_ba_event *e;
671
672 while (skb->len >= sizeof(*e)) {
673 struct mt76_rx_tid *tid;
674 struct mt76_wcid *wcid;
675 u16 idx;
676
677 e = (void *)skb->data;
678 idx = le16_to_cpu(e->wlan_id);
679 wcid = mt76_wcid_ptr(dev, idx);
680 if (!wcid || !wcid->sta)
681 break;
682
683 if (e->tid >= ARRAY_SIZE(wcid->aggr))
684 break;
685
686 tid = rcu_dereference(wcid->aggr[e->tid]);
687 if (!tid)
688 break;
689
690 tid->id = le16_to_cpu(e->id);
691 skb_pull(skb, sizeof(*e));
692 }
693 break;
694 }
695 case UNI_WED_RRO_BA_SESSION_DELETE: {
696 struct mt7996_mcu_wed_rro_ba_delete_event *e;
697
698 while (skb->len >= sizeof(*e)) {
699 struct mt7996_wed_rro_session_id *session;
700
701 e = (void *)skb->data;
702 session = kzalloc(sizeof(*session), GFP_ATOMIC);
703 if (!session)
704 break;
705
706 session->id = le16_to_cpu(e->session_id);
707
708 spin_lock_bh(&dev->wed_rro.lock);
709 list_add_tail(&session->list, &dev->wed_rro.poll_list);
710 spin_unlock_bh(&dev->wed_rro.lock);
711
712 ieee80211_queue_work(mt76_hw(dev), &dev->wed_rro.work);
713 skb_pull(skb, sizeof(*e));
714 }
715 break;
716 }
717 default:
718 break;
719 }
720 }
721
722 static void
mt7996_mcu_uni_rx_unsolicited_event(struct mt7996_dev * dev,struct sk_buff * skb)723 mt7996_mcu_uni_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb)
724 {
725 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
726
727 switch (rxd->eid) {
728 case MCU_UNI_EVENT_FW_LOG_2_HOST:
729 mt7996_mcu_rx_log_message(dev, skb);
730 break;
731 case MCU_UNI_EVENT_IE_COUNTDOWN:
732 mt7996_mcu_ie_countdown(dev, skb);
733 break;
734 case MCU_UNI_EVENT_RDD_REPORT:
735 mt7996_mcu_rx_radar_detected(dev, skb);
736 break;
737 case MCU_UNI_EVENT_ALL_STA_INFO:
738 mt7996_mcu_rx_all_sta_info_event(dev, skb);
739 break;
740 case MCU_UNI_EVENT_WED_RRO:
741 mt7996_mcu_wed_rro_event(dev, skb);
742 break;
743 default:
744 break;
745 }
746 dev_kfree_skb(skb);
747 }
748
mt7996_mcu_rx_event(struct mt7996_dev * dev,struct sk_buff * skb)749 void mt7996_mcu_rx_event(struct mt7996_dev *dev, struct sk_buff *skb)
750 {
751 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
752
753 if (rxd->option & MCU_UNI_CMD_UNSOLICITED_EVENT) {
754 mt7996_mcu_uni_rx_unsolicited_event(dev, skb);
755 return;
756 }
757
758 /* WA still uses legacy event*/
759 if (rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||
760 !rxd->seq)
761 mt7996_mcu_rx_unsolicited_event(dev, skb);
762 else
763 mt76_mcu_rx_event(&dev->mt76, skb);
764 }
765
766 static struct tlv *
mt7996_mcu_add_uni_tlv(struct sk_buff * skb,u16 tag,u16 len)767 mt7996_mcu_add_uni_tlv(struct sk_buff *skb, u16 tag, u16 len)
768 {
769 struct tlv *ptlv = skb_put_zero(skb, len);
770
771 ptlv->tag = cpu_to_le16(tag);
772 ptlv->len = cpu_to_le16(len);
773
774 return ptlv;
775 }
776
777 static void
mt7996_mcu_bss_rfch_tlv(struct sk_buff * skb,struct mt7996_phy * phy)778 mt7996_mcu_bss_rfch_tlv(struct sk_buff *skb, struct mt7996_phy *phy)
779 {
780 static const u8 rlm_ch_band[] = {
781 [NL80211_BAND_2GHZ] = 1,
782 [NL80211_BAND_5GHZ] = 2,
783 [NL80211_BAND_6GHZ] = 3,
784 };
785 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
786 struct bss_rlm_tlv *ch;
787 struct tlv *tlv;
788 int freq1 = chandef->center_freq1;
789
790 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RLM, sizeof(*ch));
791
792 ch = (struct bss_rlm_tlv *)tlv;
793 ch->control_channel = chandef->chan->hw_value;
794 ch->center_chan = ieee80211_frequency_to_channel(freq1);
795 ch->bw = mt76_connac_chan_bw(chandef);
796 ch->tx_streams = hweight8(phy->mt76->antenna_mask);
797 ch->rx_streams = hweight8(phy->mt76->antenna_mask);
798 ch->band = rlm_ch_band[chandef->chan->band];
799
800 if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
801 int freq2 = chandef->center_freq2;
802
803 ch->center_chan2 = ieee80211_frequency_to_channel(freq2);
804 }
805 }
806
807 static void
mt7996_mcu_bss_ra_tlv(struct sk_buff * skb,struct mt7996_phy * phy)808 mt7996_mcu_bss_ra_tlv(struct sk_buff *skb, struct mt7996_phy *phy)
809 {
810 struct bss_ra_tlv *ra;
811 struct tlv *tlv;
812
813 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RA, sizeof(*ra));
814
815 ra = (struct bss_ra_tlv *)tlv;
816 ra->short_preamble = true;
817 }
818
819 static void
mt7996_mcu_bss_he_tlv(struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct mt7996_phy * phy)820 mt7996_mcu_bss_he_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
821 struct ieee80211_bss_conf *link_conf,
822 struct mt7996_phy *phy)
823 {
824 #define DEFAULT_HE_PE_DURATION 4
825 #define DEFAULT_HE_DURATION_RTS_THRES 1023
826 const struct ieee80211_sta_he_cap *cap;
827 struct bss_info_uni_he *he;
828 struct tlv *tlv;
829
830 cap = mt76_connac_get_he_phy_cap(phy->mt76, vif);
831
832 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_HE_BASIC, sizeof(*he));
833
834 he = (struct bss_info_uni_he *)tlv;
835 he->he_pe_duration = link_conf->htc_trig_based_pkt_ext;
836 if (!he->he_pe_duration)
837 he->he_pe_duration = DEFAULT_HE_PE_DURATION;
838
839 he->he_rts_thres = cpu_to_le16(link_conf->frame_time_rts_th);
840 if (!he->he_rts_thres)
841 he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES);
842
843 he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80;
844 he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160;
845 he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80;
846 }
847
848 static void
mt7996_mcu_bss_mbssid_tlv(struct sk_buff * skb,struct ieee80211_bss_conf * link_conf,bool enable)849 mt7996_mcu_bss_mbssid_tlv(struct sk_buff *skb, struct ieee80211_bss_conf *link_conf,
850 bool enable)
851 {
852 struct bss_info_uni_mbssid *mbssid;
853 struct tlv *tlv;
854
855 if (!link_conf->bssid_indicator && enable)
856 return;
857
858 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_11V_MBSSID, sizeof(*mbssid));
859
860 mbssid = (struct bss_info_uni_mbssid *)tlv;
861
862 if (enable) {
863 mbssid->max_indicator = link_conf->bssid_indicator;
864 mbssid->mbss_idx = link_conf->bssid_index;
865 mbssid->tx_bss_omac_idx = 0;
866 }
867 }
868
869 static void
mt7996_mcu_bss_bmc_tlv(struct sk_buff * skb,struct mt76_vif_link * mlink,struct mt7996_phy * phy)870 mt7996_mcu_bss_bmc_tlv(struct sk_buff *skb, struct mt76_vif_link *mlink,
871 struct mt7996_phy *phy)
872 {
873 struct bss_rate_tlv *bmc;
874 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
875 enum nl80211_band band = chandef->chan->band;
876 struct tlv *tlv;
877 u8 idx = mlink->mcast_rates_idx ?
878 mlink->mcast_rates_idx : mlink->basic_rates_idx;
879
880 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RATE, sizeof(*bmc));
881
882 bmc = (struct bss_rate_tlv *)tlv;
883
884 bmc->short_preamble = (band == NL80211_BAND_2GHZ);
885 bmc->bc_fixed_rate = idx;
886 bmc->mc_fixed_rate = idx;
887 }
888
889 static void
mt7996_mcu_bss_txcmd_tlv(struct sk_buff * skb,bool en)890 mt7996_mcu_bss_txcmd_tlv(struct sk_buff *skb, bool en)
891 {
892 struct bss_txcmd_tlv *txcmd;
893 struct tlv *tlv;
894
895 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_TXCMD, sizeof(*txcmd));
896
897 txcmd = (struct bss_txcmd_tlv *)tlv;
898 txcmd->txcmd_mode = en;
899 }
900
901 static void
mt7996_mcu_bss_mld_tlv(struct sk_buff * skb,struct mt76_vif_link * mlink)902 mt7996_mcu_bss_mld_tlv(struct sk_buff *skb, struct mt76_vif_link *mlink)
903 {
904 struct bss_mld_tlv *mld;
905 struct tlv *tlv;
906
907 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_MLD, sizeof(*mld));
908
909 mld = (struct bss_mld_tlv *)tlv;
910 mld->group_mld_id = 0xff;
911 mld->own_mld_id = mlink->idx;
912 mld->remap_idx = 0xff;
913 }
914
915 static void
mt7996_mcu_bss_sec_tlv(struct sk_buff * skb,struct mt76_vif_link * mlink)916 mt7996_mcu_bss_sec_tlv(struct sk_buff *skb, struct mt76_vif_link *mlink)
917 {
918 struct bss_sec_tlv *sec;
919 struct tlv *tlv;
920
921 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_SEC, sizeof(*sec));
922
923 sec = (struct bss_sec_tlv *)tlv;
924 sec->cipher = mlink->cipher;
925 }
926
927 static int
mt7996_mcu_muar_config(struct mt7996_dev * dev,struct mt76_vif_link * mlink,const u8 * addr,bool bssid,bool enable)928 mt7996_mcu_muar_config(struct mt7996_dev *dev, struct mt76_vif_link *mlink,
929 const u8 *addr, bool bssid, bool enable)
930 {
931 #define UNI_MUAR_ENTRY 2
932 u32 idx = mlink->omac_idx - REPEATER_BSSID_START;
933 struct {
934 struct {
935 u8 band;
936 u8 __rsv[3];
937 } hdr;
938
939 __le16 tag;
940 __le16 len;
941
942 bool smesh;
943 u8 bssid;
944 u8 index;
945 u8 entry_add;
946 u8 addr[ETH_ALEN];
947 u8 __rsv[2];
948 } __packed req = {
949 .hdr.band = mlink->band_idx,
950 .tag = cpu_to_le16(UNI_MUAR_ENTRY),
951 .len = cpu_to_le16(sizeof(req) - sizeof(req.hdr)),
952 .smesh = false,
953 .index = idx * 2 + bssid,
954 .entry_add = true,
955 };
956
957 if (enable)
958 memcpy(req.addr, addr, ETH_ALEN);
959
960 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(REPT_MUAR), &req,
961 sizeof(req), true);
962 }
963
964 static void
mt7996_mcu_bss_ifs_timing_tlv(struct sk_buff * skb,struct mt7996_phy * phy)965 mt7996_mcu_bss_ifs_timing_tlv(struct sk_buff *skb, struct mt7996_phy *phy)
966 {
967 struct bss_ifs_time_tlv *ifs_time;
968 struct tlv *tlv;
969 bool is_2ghz = phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ;
970
971 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_IFS_TIME, sizeof(*ifs_time));
972
973 ifs_time = (struct bss_ifs_time_tlv *)tlv;
974 ifs_time->slot_valid = true;
975 ifs_time->sifs_valid = true;
976 ifs_time->rifs_valid = true;
977 ifs_time->eifs_valid = true;
978
979 ifs_time->slot_time = cpu_to_le16(phy->slottime);
980 ifs_time->sifs_time = cpu_to_le16(10);
981 ifs_time->rifs_time = cpu_to_le16(2);
982 ifs_time->eifs_time = cpu_to_le16(is_2ghz ? 78 : 84);
983
984 if (is_2ghz) {
985 ifs_time->eifs_cck_valid = true;
986 ifs_time->eifs_cck_time = cpu_to_le16(314);
987 }
988 }
989
990 static int
mt7996_mcu_bss_basic_tlv(struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct mt76_vif_link * mvif,struct mt76_phy * phy,u16 wlan_idx,bool enable)991 mt7996_mcu_bss_basic_tlv(struct sk_buff *skb,
992 struct ieee80211_vif *vif,
993 struct ieee80211_bss_conf *link_conf,
994 struct mt76_vif_link *mvif,
995 struct mt76_phy *phy, u16 wlan_idx,
996 bool enable)
997 {
998 struct cfg80211_chan_def *chandef = &phy->chandef;
999 struct mt76_connac_bss_basic_tlv *bss;
1000 u32 type = CONNECTION_INFRA_AP;
1001 u16 sta_wlan_idx = wlan_idx;
1002 struct ieee80211_sta *sta;
1003 struct tlv *tlv;
1004 int idx;
1005
1006 switch (vif->type) {
1007 case NL80211_IFTYPE_MESH_POINT:
1008 case NL80211_IFTYPE_AP:
1009 case NL80211_IFTYPE_MONITOR:
1010 break;
1011 case NL80211_IFTYPE_STATION:
1012 if (enable) {
1013 rcu_read_lock();
1014 sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
1015 /* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
1016 if (sta) {
1017 struct mt76_wcid *wcid;
1018
1019 wcid = (struct mt76_wcid *)sta->drv_priv;
1020 sta_wlan_idx = wcid->idx;
1021 }
1022 rcu_read_unlock();
1023 }
1024 type = CONNECTION_INFRA_STA;
1025 break;
1026 case NL80211_IFTYPE_ADHOC:
1027 type = CONNECTION_IBSS_ADHOC;
1028 break;
1029 default:
1030 WARN_ON(1);
1031 break;
1032 }
1033
1034 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_BASIC, sizeof(*bss));
1035
1036 bss = (struct mt76_connac_bss_basic_tlv *)tlv;
1037 bss->bcn_interval = cpu_to_le16(link_conf->beacon_int);
1038 bss->dtim_period = link_conf->dtim_period;
1039 bss->bmc_tx_wlan_idx = cpu_to_le16(wlan_idx);
1040 bss->sta_idx = cpu_to_le16(sta_wlan_idx);
1041 bss->conn_type = cpu_to_le32(type);
1042 bss->omac_idx = mvif->omac_idx;
1043 bss->band_idx = mvif->band_idx;
1044 bss->wmm_idx = mvif->wmm_idx;
1045 bss->conn_state = !enable;
1046 bss->active = enable;
1047
1048 idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
1049 bss->hw_bss_idx = idx;
1050
1051 if (vif->type == NL80211_IFTYPE_MONITOR) {
1052 memcpy(bss->bssid, phy->macaddr, ETH_ALEN);
1053 return 0;
1054 }
1055
1056 memcpy(bss->bssid, link_conf->bssid, ETH_ALEN);
1057 bss->bcn_interval = cpu_to_le16(link_conf->beacon_int);
1058 bss->dtim_period = vif->bss_conf.dtim_period;
1059 bss->phymode = mt76_connac_get_phy_mode(phy, vif,
1060 chandef->chan->band, NULL);
1061 bss->phymode_ext = mt76_connac_get_phy_mode_ext(phy, &vif->bss_conf,
1062 chandef->chan->band);
1063
1064 return 0;
1065 }
1066
1067 static struct sk_buff *
__mt7996_mcu_alloc_bss_req(struct mt76_dev * dev,struct mt76_vif_link * mvif,int len)1068 __mt7996_mcu_alloc_bss_req(struct mt76_dev *dev, struct mt76_vif_link *mvif, int len)
1069 {
1070 struct bss_req_hdr hdr = {
1071 .bss_idx = mvif->idx,
1072 };
1073 struct sk_buff *skb;
1074
1075 skb = mt76_mcu_msg_alloc(dev, NULL, len);
1076 if (!skb)
1077 return ERR_PTR(-ENOMEM);
1078
1079 skb_put_data(skb, &hdr, sizeof(hdr));
1080
1081 return skb;
1082 }
1083
mt7996_mcu_add_bss_info(struct mt7996_phy * phy,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct mt76_vif_link * mlink,struct mt7996_sta_link * msta_link,int enable)1084 int mt7996_mcu_add_bss_info(struct mt7996_phy *phy, struct ieee80211_vif *vif,
1085 struct ieee80211_bss_conf *link_conf,
1086 struct mt76_vif_link *mlink,
1087 struct mt7996_sta_link *msta_link, int enable)
1088 {
1089 struct mt7996_dev *dev = phy->dev;
1090 struct sk_buff *skb;
1091
1092 if (mlink->omac_idx >= REPEATER_BSSID_START) {
1093 mt7996_mcu_muar_config(dev, mlink, link_conf->addr, false, enable);
1094 mt7996_mcu_muar_config(dev, mlink, link_conf->bssid, true, enable);
1095 }
1096
1097 skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, mlink,
1098 MT7996_BSS_UPDATE_MAX_SIZE);
1099 if (IS_ERR(skb))
1100 return PTR_ERR(skb);
1101
1102 /* bss_basic must be first */
1103 mt7996_mcu_bss_basic_tlv(skb, vif, link_conf, mlink, phy->mt76,
1104 msta_link->wcid.idx, enable);
1105 mt7996_mcu_bss_sec_tlv(skb, mlink);
1106
1107 if (vif->type == NL80211_IFTYPE_MONITOR)
1108 goto out;
1109
1110 if (enable) {
1111 mt7996_mcu_bss_rfch_tlv(skb, phy);
1112 mt7996_mcu_bss_bmc_tlv(skb, mlink, phy);
1113 mt7996_mcu_bss_ra_tlv(skb, phy);
1114 mt7996_mcu_bss_txcmd_tlv(skb, true);
1115 mt7996_mcu_bss_ifs_timing_tlv(skb, phy);
1116
1117 if (vif->bss_conf.he_support)
1118 mt7996_mcu_bss_he_tlv(skb, vif, link_conf, phy);
1119
1120 /* this tag is necessary no matter if the vif is MLD */
1121 mt7996_mcu_bss_mld_tlv(skb, mlink);
1122 }
1123
1124 mt7996_mcu_bss_mbssid_tlv(skb, link_conf, enable);
1125
1126 out:
1127 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
1128 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
1129 }
1130
mt7996_mcu_set_timing(struct mt7996_phy * phy,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)1131 int mt7996_mcu_set_timing(struct mt7996_phy *phy, struct ieee80211_vif *vif,
1132 struct ieee80211_bss_conf *link_conf)
1133 {
1134 struct mt7996_dev *dev = phy->dev;
1135 struct mt76_vif_link *mlink = mt76_vif_conf_link(&dev->mt76, vif, link_conf);
1136 struct sk_buff *skb;
1137
1138 skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, mlink,
1139 MT7996_BSS_UPDATE_MAX_SIZE);
1140 if (IS_ERR(skb))
1141 return PTR_ERR(skb);
1142
1143 mt7996_mcu_bss_ifs_timing_tlv(skb, phy);
1144
1145 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
1146 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
1147 }
1148
1149 static int
mt7996_mcu_sta_ba(struct mt7996_dev * dev,struct mt76_vif_link * mvif,struct ieee80211_ampdu_params * params,bool enable,bool tx)1150 mt7996_mcu_sta_ba(struct mt7996_dev *dev, struct mt76_vif_link *mvif,
1151 struct ieee80211_ampdu_params *params,
1152 bool enable, bool tx)
1153 {
1154 struct mt76_wcid *wcid = (struct mt76_wcid *)params->sta->drv_priv;
1155 struct sta_rec_ba_uni *ba;
1156 struct sk_buff *skb;
1157 struct tlv *tlv;
1158
1159 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, mvif, wcid,
1160 MT7996_STA_UPDATE_MAX_SIZE);
1161 if (IS_ERR(skb))
1162 return PTR_ERR(skb);
1163
1164 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba));
1165
1166 ba = (struct sta_rec_ba_uni *)tlv;
1167 ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT;
1168 ba->winsize = cpu_to_le16(params->buf_size);
1169 ba->ssn = cpu_to_le16(params->ssn);
1170 ba->ba_en = enable << params->tid;
1171 ba->amsdu = params->amsdu;
1172 ba->tid = params->tid;
1173 ba->ba_rdd_rro = !tx && enable && dev->has_rro;
1174
1175 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
1176 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
1177 }
1178
1179 /** starec & wtbl **/
mt7996_mcu_add_tx_ba(struct mt7996_dev * dev,struct ieee80211_ampdu_params * params,struct mt7996_vif_link * link,struct mt7996_sta_link * msta_link,bool enable)1180 int mt7996_mcu_add_tx_ba(struct mt7996_dev *dev,
1181 struct ieee80211_ampdu_params *params,
1182 struct mt7996_vif_link *link,
1183 struct mt7996_sta_link *msta_link, bool enable)
1184 {
1185 if (enable && !params->amsdu)
1186 msta_link->wcid.amsdu = false;
1187
1188 return mt7996_mcu_sta_ba(dev, &link->mt76, params, enable, true);
1189 }
1190
mt7996_mcu_add_rx_ba(struct mt7996_dev * dev,struct ieee80211_ampdu_params * params,struct mt7996_vif_link * link,bool enable)1191 int mt7996_mcu_add_rx_ba(struct mt7996_dev *dev,
1192 struct ieee80211_ampdu_params *params,
1193 struct mt7996_vif_link *link, bool enable)
1194 {
1195 return mt7996_mcu_sta_ba(dev, &link->mt76, params, enable, false);
1196 }
1197
1198 static void
mt7996_mcu_sta_he_tlv(struct sk_buff * skb,struct ieee80211_link_sta * link_sta,struct mt7996_vif_link * link)1199 mt7996_mcu_sta_he_tlv(struct sk_buff *skb,
1200 struct ieee80211_link_sta *link_sta,
1201 struct mt7996_vif_link *link)
1202 {
1203 struct ieee80211_he_cap_elem *elem = &link_sta->he_cap.he_cap_elem;
1204 struct ieee80211_he_mcs_nss_supp mcs_map;
1205 struct sta_rec_he_v2 *he;
1206 struct tlv *tlv;
1207 int i = 0;
1208
1209 if (!link_sta->he_cap.has_he)
1210 return;
1211
1212 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_V2, sizeof(*he));
1213
1214 he = (struct sta_rec_he_v2 *)tlv;
1215 for (i = 0; i < 11; i++) {
1216 if (i < 6)
1217 he->he_mac_cap[i] = elem->mac_cap_info[i];
1218 he->he_phy_cap[i] = elem->phy_cap_info[i];
1219 }
1220
1221 mcs_map = link_sta->he_cap.he_mcs_nss_supp;
1222 switch (link_sta->bandwidth) {
1223 case IEEE80211_STA_RX_BW_160:
1224 if (elem->phy_cap_info[0] &
1225 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1226 mt7996_mcu_set_sta_he_mcs(link_sta, link,
1227 &he->max_nss_mcs[CMD_HE_MCS_BW8080],
1228 le16_to_cpu(mcs_map.rx_mcs_80p80));
1229
1230 mt7996_mcu_set_sta_he_mcs(link_sta, link,
1231 &he->max_nss_mcs[CMD_HE_MCS_BW160],
1232 le16_to_cpu(mcs_map.rx_mcs_160));
1233 fallthrough;
1234 default:
1235 mt7996_mcu_set_sta_he_mcs(link_sta, link,
1236 &he->max_nss_mcs[CMD_HE_MCS_BW80],
1237 le16_to_cpu(mcs_map.rx_mcs_80));
1238 break;
1239 }
1240
1241 he->pkt_ext = 2;
1242 }
1243
1244 static void
mt7996_mcu_sta_he_6g_tlv(struct sk_buff * skb,struct ieee80211_link_sta * link_sta)1245 mt7996_mcu_sta_he_6g_tlv(struct sk_buff *skb,
1246 struct ieee80211_link_sta *link_sta)
1247 {
1248 struct sta_rec_he_6g_capa *he_6g;
1249 struct tlv *tlv;
1250
1251 if (!link_sta->he_6ghz_capa.capa)
1252 return;
1253
1254 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_6G, sizeof(*he_6g));
1255
1256 he_6g = (struct sta_rec_he_6g_capa *)tlv;
1257 he_6g->capa = link_sta->he_6ghz_capa.capa;
1258 }
1259
1260 static void
mt7996_mcu_sta_eht_tlv(struct sk_buff * skb,struct ieee80211_link_sta * link_sta)1261 mt7996_mcu_sta_eht_tlv(struct sk_buff *skb,
1262 struct ieee80211_link_sta *link_sta)
1263 {
1264 struct mt7996_sta *msta = (struct mt7996_sta *)link_sta->sta->drv_priv;
1265 struct ieee80211_vif *vif = container_of((void *)msta->vif,
1266 struct ieee80211_vif, drv_priv);
1267 struct ieee80211_eht_mcs_nss_supp *mcs_map;
1268 struct ieee80211_eht_cap_elem_fixed *elem;
1269 struct sta_rec_eht *eht;
1270 struct tlv *tlv;
1271
1272 if (!link_sta->eht_cap.has_eht)
1273 return;
1274
1275 mcs_map = &link_sta->eht_cap.eht_mcs_nss_supp;
1276 elem = &link_sta->eht_cap.eht_cap_elem;
1277
1278 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_EHT, sizeof(*eht));
1279
1280 eht = (struct sta_rec_eht *)tlv;
1281 eht->tid_bitmap = 0xff;
1282 eht->mac_cap = cpu_to_le16(*(u16 *)elem->mac_cap_info);
1283 eht->phy_cap = cpu_to_le64(*(u64 *)elem->phy_cap_info);
1284 eht->phy_cap_ext = cpu_to_le64(elem->phy_cap_info[8]);
1285
1286 if (vif->type != NL80211_IFTYPE_STATION &&
1287 (link_sta->he_cap.he_cap_elem.phy_cap_info[0] &
1288 (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G |
1289 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
1290 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
1291 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)) == 0) {
1292 memcpy(eht->mcs_map_bw20, &mcs_map->only_20mhz,
1293 sizeof(eht->mcs_map_bw20));
1294 return;
1295 }
1296
1297 memcpy(eht->mcs_map_bw80, &mcs_map->bw._80, sizeof(eht->mcs_map_bw80));
1298 memcpy(eht->mcs_map_bw160, &mcs_map->bw._160, sizeof(eht->mcs_map_bw160));
1299 memcpy(eht->mcs_map_bw320, &mcs_map->bw._320, sizeof(eht->mcs_map_bw320));
1300 }
1301
1302 static void
mt7996_mcu_sta_ht_tlv(struct sk_buff * skb,struct ieee80211_link_sta * link_sta)1303 mt7996_mcu_sta_ht_tlv(struct sk_buff *skb, struct ieee80211_link_sta *link_sta)
1304 {
1305 struct sta_rec_ht_uni *ht;
1306 struct tlv *tlv;
1307
1308 if (!link_sta->ht_cap.ht_supported)
1309 return;
1310
1311 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
1312
1313 ht = (struct sta_rec_ht_uni *)tlv;
1314 ht->ht_cap = cpu_to_le16(link_sta->ht_cap.cap);
1315 ht->ampdu_param = u8_encode_bits(link_sta->ht_cap.ampdu_factor,
1316 IEEE80211_HT_AMPDU_PARM_FACTOR) |
1317 u8_encode_bits(link_sta->ht_cap.ampdu_density,
1318 IEEE80211_HT_AMPDU_PARM_DENSITY);
1319 }
1320
1321 static void
mt7996_mcu_sta_vht_tlv(struct sk_buff * skb,struct ieee80211_link_sta * link_sta)1322 mt7996_mcu_sta_vht_tlv(struct sk_buff *skb, struct ieee80211_link_sta *link_sta)
1323 {
1324 struct sta_rec_vht *vht;
1325 struct tlv *tlv;
1326
1327 /* For 6G band, this tlv is necessary to let hw work normally */
1328 if (!link_sta->he_6ghz_capa.capa && !link_sta->vht_cap.vht_supported)
1329 return;
1330
1331 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht));
1332
1333 vht = (struct sta_rec_vht *)tlv;
1334 vht->vht_cap = cpu_to_le32(link_sta->vht_cap.cap);
1335 vht->vht_rx_mcs_map = link_sta->vht_cap.vht_mcs.rx_mcs_map;
1336 vht->vht_tx_mcs_map = link_sta->vht_cap.vht_mcs.tx_mcs_map;
1337 }
1338
1339 static void
mt7996_mcu_sta_amsdu_tlv(struct mt7996_dev * dev,struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_link_sta * link_sta,struct mt7996_sta_link * msta_link)1340 mt7996_mcu_sta_amsdu_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
1341 struct ieee80211_vif *vif,
1342 struct ieee80211_link_sta *link_sta,
1343 struct mt7996_sta_link *msta_link)
1344 {
1345 struct sta_rec_amsdu *amsdu;
1346 struct tlv *tlv;
1347
1348 if (vif->type != NL80211_IFTYPE_STATION &&
1349 vif->type != NL80211_IFTYPE_MESH_POINT &&
1350 vif->type != NL80211_IFTYPE_AP)
1351 return;
1352
1353 if (!link_sta->agg.max_amsdu_len)
1354 return;
1355
1356 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HW_AMSDU, sizeof(*amsdu));
1357 amsdu = (struct sta_rec_amsdu *)tlv;
1358 amsdu->max_amsdu_num = 8;
1359 amsdu->amsdu_en = true;
1360 msta_link->wcid.amsdu = true;
1361
1362 switch (link_sta->agg.max_amsdu_len) {
1363 case IEEE80211_MAX_MPDU_LEN_VHT_11454:
1364 amsdu->max_mpdu_size =
1365 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
1366 return;
1367 case IEEE80211_MAX_MPDU_LEN_HT_7935:
1368 case IEEE80211_MAX_MPDU_LEN_VHT_7991:
1369 amsdu->max_mpdu_size = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991;
1370 return;
1371 default:
1372 amsdu->max_mpdu_size = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895;
1373 return;
1374 }
1375 }
1376
1377 static void
mt7996_mcu_sta_muru_tlv(struct mt7996_dev * dev,struct sk_buff * skb,struct ieee80211_bss_conf * link_conf,struct ieee80211_link_sta * link_sta)1378 mt7996_mcu_sta_muru_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
1379 struct ieee80211_bss_conf *link_conf,
1380 struct ieee80211_link_sta *link_sta)
1381 {
1382 struct ieee80211_he_cap_elem *elem = &link_sta->he_cap.he_cap_elem;
1383 struct sta_rec_muru *muru;
1384 struct tlv *tlv;
1385
1386 if (link_conf->vif->type != NL80211_IFTYPE_STATION &&
1387 link_conf->vif->type != NL80211_IFTYPE_AP)
1388 return;
1389
1390 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_MURU, sizeof(*muru));
1391
1392 muru = (struct sta_rec_muru *)tlv;
1393 muru->cfg.mimo_dl_en = link_conf->eht_mu_beamformer ||
1394 link_conf->he_mu_beamformer ||
1395 link_conf->vht_mu_beamformer ||
1396 link_conf->vht_mu_beamformee;
1397 muru->cfg.ofdma_dl_en = true;
1398
1399 if (link_sta->vht_cap.vht_supported)
1400 muru->mimo_dl.vht_mu_bfee =
1401 !!(link_sta->vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
1402
1403 if (!link_sta->he_cap.has_he)
1404 return;
1405
1406 muru->mimo_dl.partial_bw_dl_mimo =
1407 HE_PHY(CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO, elem->phy_cap_info[6]);
1408
1409 muru->mimo_ul.full_ul_mimo =
1410 HE_PHY(CAP2_UL_MU_FULL_MU_MIMO, elem->phy_cap_info[2]);
1411 muru->mimo_ul.partial_ul_mimo =
1412 HE_PHY(CAP2_UL_MU_PARTIAL_MU_MIMO, elem->phy_cap_info[2]);
1413
1414 muru->ofdma_dl.punc_pream_rx =
1415 HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]);
1416 muru->ofdma_dl.he_20m_in_40m_2g =
1417 HE_PHY(CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G, elem->phy_cap_info[8]);
1418 muru->ofdma_dl.he_20m_in_160m =
1419 HE_PHY(CAP8_20MHZ_IN_160MHZ_HE_PPDU, elem->phy_cap_info[8]);
1420 muru->ofdma_dl.he_80m_in_160m =
1421 HE_PHY(CAP8_80MHZ_IN_160MHZ_HE_PPDU, elem->phy_cap_info[8]);
1422
1423 muru->ofdma_ul.t_frame_dur =
1424 HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]);
1425 muru->ofdma_ul.mu_cascading =
1426 HE_MAC(CAP2_MU_CASCADING, elem->mac_cap_info[2]);
1427 muru->ofdma_ul.uo_ra =
1428 HE_MAC(CAP3_OFDMA_RA, elem->mac_cap_info[3]);
1429 muru->ofdma_ul.rx_ctrl_frame_to_mbss =
1430 HE_MAC(CAP3_RX_CTRL_FRAME_TO_MULTIBSS, elem->mac_cap_info[3]);
1431 }
1432
1433 static inline bool
mt7996_is_ebf_supported(struct mt7996_phy * phy,struct ieee80211_bss_conf * link_conf,struct ieee80211_link_sta * link_sta,bool bfee)1434 mt7996_is_ebf_supported(struct mt7996_phy *phy,
1435 struct ieee80211_bss_conf *link_conf,
1436 struct ieee80211_link_sta *link_sta, bool bfee)
1437 {
1438 int sts = hweight16(phy->mt76->chainmask);
1439
1440 if (link_conf->vif->type != NL80211_IFTYPE_STATION &&
1441 link_conf->vif->type != NL80211_IFTYPE_AP)
1442 return false;
1443
1444 if (!bfee && sts < 2)
1445 return false;
1446
1447 if (link_sta->eht_cap.has_eht) {
1448 struct ieee80211_sta_eht_cap *pc = &link_sta->eht_cap;
1449 struct ieee80211_eht_cap_elem_fixed *pe = &pc->eht_cap_elem;
1450
1451 if (bfee)
1452 return link_conf->eht_su_beamformee &&
1453 EHT_PHY(CAP0_SU_BEAMFORMER, pe->phy_cap_info[0]);
1454 else
1455 return link_conf->eht_su_beamformer &&
1456 EHT_PHY(CAP0_SU_BEAMFORMEE, pe->phy_cap_info[0]);
1457 }
1458
1459 if (link_sta->he_cap.has_he) {
1460 struct ieee80211_he_cap_elem *pe = &link_sta->he_cap.he_cap_elem;
1461
1462 if (bfee)
1463 return link_conf->he_su_beamformee &&
1464 HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]);
1465 else
1466 return link_conf->he_su_beamformer &&
1467 HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]);
1468 }
1469
1470 if (link_sta->vht_cap.vht_supported) {
1471 u32 cap = link_sta->vht_cap.cap;
1472
1473 if (bfee)
1474 return link_conf->vht_su_beamformee &&
1475 (cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
1476 else
1477 return link_conf->vht_su_beamformer &&
1478 (cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
1479 }
1480
1481 return false;
1482 }
1483
1484 static void
mt7996_mcu_sta_sounding_rate(struct sta_rec_bf * bf,struct mt7996_phy * phy)1485 mt7996_mcu_sta_sounding_rate(struct sta_rec_bf *bf, struct mt7996_phy *phy)
1486 {
1487 bf->sounding_phy = MT_PHY_TYPE_OFDM;
1488 bf->ndp_rate = 0; /* mcs0 */
1489 if (is_mt7996(phy->mt76->dev))
1490 bf->ndpa_rate = MT7996_CFEND_RATE_DEFAULT; /* ofdm 24m */
1491 else
1492 bf->ndpa_rate = MT7992_CFEND_RATE_DEFAULT; /* ofdm 6m */
1493
1494 bf->rept_poll_rate = MT7996_CFEND_RATE_DEFAULT; /* ofdm 24m */
1495 }
1496
1497 static void
mt7996_mcu_sta_bfer_ht(struct ieee80211_link_sta * link_sta,struct mt7996_phy * phy,struct sta_rec_bf * bf,bool explicit)1498 mt7996_mcu_sta_bfer_ht(struct ieee80211_link_sta *link_sta,
1499 struct mt7996_phy *phy, struct sta_rec_bf *bf,
1500 bool explicit)
1501 {
1502 struct ieee80211_mcs_info *mcs = &link_sta->ht_cap.mcs;
1503 u8 n = 0;
1504
1505 bf->tx_mode = MT_PHY_TYPE_HT;
1506
1507 if ((mcs->tx_params & IEEE80211_HT_MCS_TX_RX_DIFF) &&
1508 (mcs->tx_params & IEEE80211_HT_MCS_TX_DEFINED))
1509 n = FIELD_GET(IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK,
1510 mcs->tx_params);
1511 else if (mcs->rx_mask[3])
1512 n = 3;
1513 else if (mcs->rx_mask[2])
1514 n = 2;
1515 else if (mcs->rx_mask[1])
1516 n = 1;
1517
1518 bf->nrow = hweight8(phy->mt76->antenna_mask) - 1;
1519 bf->ncol = min_t(u8, bf->nrow, n);
1520 bf->ibf_ncol = explicit ? min_t(u8, MT7996_IBF_MAX_NC, bf->ncol) :
1521 min_t(u8, MT7996_IBF_MAX_NC, n);
1522 }
1523
1524 static void
mt7996_mcu_sta_bfer_vht(struct ieee80211_link_sta * link_sta,struct mt7996_phy * phy,struct sta_rec_bf * bf,bool explicit)1525 mt7996_mcu_sta_bfer_vht(struct ieee80211_link_sta *link_sta,
1526 struct mt7996_phy *phy, struct sta_rec_bf *bf,
1527 bool explicit)
1528 {
1529 struct ieee80211_sta_vht_cap *pc = &link_sta->vht_cap;
1530 struct ieee80211_sta_vht_cap *vc = &phy->mt76->sband_5g.sband.vht_cap;
1531 u16 mcs_map = le16_to_cpu(pc->vht_mcs.rx_mcs_map);
1532 u8 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map);
1533 u8 tx_ant = hweight8(phy->mt76->antenna_mask) - 1;
1534
1535 bf->tx_mode = MT_PHY_TYPE_VHT;
1536
1537 if (explicit) {
1538 u8 sts, snd_dim;
1539
1540 mt7996_mcu_sta_sounding_rate(bf, phy);
1541
1542 sts = FIELD_GET(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
1543 pc->cap);
1544 snd_dim = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
1545 vc->cap);
1546 bf->nrow = min_t(u8, min_t(u8, snd_dim, sts), tx_ant);
1547 bf->ncol = min_t(u8, nss_mcs, bf->nrow);
1548 bf->ibf_ncol = min_t(u8, MT7996_IBF_MAX_NC, bf->ncol);
1549
1550 if (link_sta->bandwidth == IEEE80211_STA_RX_BW_160)
1551 bf->nrow = 1;
1552 } else {
1553 bf->nrow = tx_ant;
1554 bf->ncol = min_t(u8, nss_mcs, bf->nrow);
1555 bf->ibf_ncol = min_t(u8, MT7996_IBF_MAX_NC, nss_mcs);
1556
1557 if (link_sta->bandwidth == IEEE80211_STA_RX_BW_160)
1558 bf->ibf_nrow = 1;
1559 }
1560 }
1561
1562 static void
mt7996_mcu_sta_bfer_he(struct ieee80211_link_sta * link_sta,struct ieee80211_vif * vif,struct mt7996_phy * phy,struct sta_rec_bf * bf,bool explicit)1563 mt7996_mcu_sta_bfer_he(struct ieee80211_link_sta *link_sta,
1564 struct ieee80211_vif *vif, struct mt7996_phy *phy,
1565 struct sta_rec_bf *bf, bool explicit)
1566 {
1567 struct ieee80211_sta_he_cap *pc = &link_sta->he_cap;
1568 struct ieee80211_he_cap_elem *pe = &pc->he_cap_elem;
1569 const struct ieee80211_sta_he_cap *vc =
1570 mt76_connac_get_he_phy_cap(phy->mt76, vif);
1571 const struct ieee80211_he_cap_elem *ve = &vc->he_cap_elem;
1572 u16 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80);
1573 u8 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map);
1574 u8 snd_dim, sts;
1575
1576 if (!vc)
1577 return;
1578
1579 bf->tx_mode = MT_PHY_TYPE_HE_SU;
1580
1581 mt7996_mcu_sta_sounding_rate(bf, phy);
1582
1583 bf->trigger_su = HE_PHY(CAP6_TRIG_SU_BEAMFORMING_FB,
1584 pe->phy_cap_info[6]);
1585 bf->trigger_mu = HE_PHY(CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB,
1586 pe->phy_cap_info[6]);
1587 snd_dim = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
1588 ve->phy_cap_info[5]);
1589 sts = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK,
1590 pe->phy_cap_info[4]);
1591 bf->nrow = min_t(u8, snd_dim, sts);
1592 bf->ncol = min_t(u8, nss_mcs, bf->nrow);
1593 bf->ibf_ncol = explicit ? min_t(u8, MT7996_IBF_MAX_NC, bf->ncol) :
1594 min_t(u8, MT7996_IBF_MAX_NC, nss_mcs);
1595
1596 if (link_sta->bandwidth != IEEE80211_STA_RX_BW_160)
1597 return;
1598
1599 /* go over for 160MHz and 80p80 */
1600 if (pe->phy_cap_info[0] &
1601 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
1602 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_160);
1603 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map);
1604
1605 bf->ncol_gt_bw80 = nss_mcs;
1606 }
1607
1608 if (pe->phy_cap_info[0] &
1609 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
1610 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80p80);
1611 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map);
1612
1613 if (bf->ncol_gt_bw80)
1614 bf->ncol_gt_bw80 = min_t(u8, bf->ncol_gt_bw80, nss_mcs);
1615 else
1616 bf->ncol_gt_bw80 = nss_mcs;
1617 }
1618
1619 snd_dim = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
1620 ve->phy_cap_info[5]);
1621 sts = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK,
1622 pe->phy_cap_info[4]);
1623
1624 bf->nrow_gt_bw80 = min_t(int, snd_dim, sts);
1625 }
1626
1627 static void
mt7996_mcu_sta_bfer_eht(struct ieee80211_link_sta * link_sta,struct ieee80211_vif * vif,struct mt7996_phy * phy,struct sta_rec_bf * bf,bool explicit)1628 mt7996_mcu_sta_bfer_eht(struct ieee80211_link_sta *link_sta,
1629 struct ieee80211_vif *vif, struct mt7996_phy *phy,
1630 struct sta_rec_bf *bf, bool explicit)
1631 {
1632 struct ieee80211_sta_eht_cap *pc = &link_sta->eht_cap;
1633 struct ieee80211_eht_cap_elem_fixed *pe = &pc->eht_cap_elem;
1634 struct ieee80211_eht_mcs_nss_supp *eht_nss = &pc->eht_mcs_nss_supp;
1635 const struct ieee80211_sta_eht_cap *vc =
1636 mt76_connac_get_eht_phy_cap(phy->mt76, vif);
1637 const struct ieee80211_eht_cap_elem_fixed *ve = &vc->eht_cap_elem;
1638 u8 nss_mcs = u8_get_bits(eht_nss->bw._80.rx_tx_mcs9_max_nss,
1639 IEEE80211_EHT_MCS_NSS_RX) - 1;
1640 u8 snd_dim, sts;
1641
1642 bf->tx_mode = MT_PHY_TYPE_EHT_MU;
1643
1644 mt7996_mcu_sta_sounding_rate(bf, phy);
1645
1646 bf->trigger_su = EHT_PHY(CAP3_TRIG_SU_BF_FDBK, pe->phy_cap_info[3]);
1647 bf->trigger_mu = EHT_PHY(CAP3_TRIG_MU_BF_PART_BW_FDBK, pe->phy_cap_info[3]);
1648 snd_dim = EHT_PHY(CAP2_SOUNDING_DIM_80MHZ_MASK, ve->phy_cap_info[2]);
1649 sts = EHT_PHY(CAP0_BEAMFORMEE_SS_80MHZ_MASK, pe->phy_cap_info[0]) +
1650 (EHT_PHY(CAP1_BEAMFORMEE_SS_80MHZ_MASK, pe->phy_cap_info[1]) << 1);
1651 bf->nrow = min_t(u8, snd_dim, sts);
1652 bf->ncol = min_t(u8, nss_mcs, bf->nrow);
1653 bf->ibf_ncol = explicit ? min_t(u8, MT7996_IBF_MAX_NC, bf->ncol) :
1654 min_t(u8, MT7996_IBF_MAX_NC, nss_mcs);
1655
1656 if (link_sta->bandwidth < IEEE80211_STA_RX_BW_160)
1657 return;
1658
1659 switch (link_sta->bandwidth) {
1660 case IEEE80211_STA_RX_BW_160:
1661 snd_dim = EHT_PHY(CAP2_SOUNDING_DIM_160MHZ_MASK, ve->phy_cap_info[2]);
1662 sts = EHT_PHY(CAP1_BEAMFORMEE_SS_160MHZ_MASK, pe->phy_cap_info[1]);
1663 nss_mcs = u8_get_bits(eht_nss->bw._160.rx_tx_mcs9_max_nss,
1664 IEEE80211_EHT_MCS_NSS_RX) - 1;
1665
1666 bf->nrow_gt_bw80 = min_t(u8, snd_dim, sts);
1667 bf->ncol_gt_bw80 = nss_mcs;
1668 break;
1669 case IEEE80211_STA_RX_BW_320:
1670 snd_dim = EHT_PHY(CAP2_SOUNDING_DIM_320MHZ_MASK, ve->phy_cap_info[2]) +
1671 (EHT_PHY(CAP3_SOUNDING_DIM_320MHZ_MASK,
1672 ve->phy_cap_info[3]) << 1);
1673 sts = EHT_PHY(CAP1_BEAMFORMEE_SS_320MHZ_MASK, pe->phy_cap_info[1]);
1674 nss_mcs = u8_get_bits(eht_nss->bw._320.rx_tx_mcs9_max_nss,
1675 IEEE80211_EHT_MCS_NSS_RX) - 1;
1676
1677 bf->nrow_gt_bw80 = min_t(u8, snd_dim, sts) << 4;
1678 bf->ncol_gt_bw80 = nss_mcs << 4;
1679 break;
1680 default:
1681 break;
1682 }
1683 }
1684
1685 static void
mt7996_mcu_sta_bfer_tlv(struct mt7996_dev * dev,struct sk_buff * skb,struct ieee80211_bss_conf * link_conf,struct ieee80211_link_sta * link_sta,struct mt7996_vif_link * link)1686 mt7996_mcu_sta_bfer_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
1687 struct ieee80211_bss_conf *link_conf,
1688 struct ieee80211_link_sta *link_sta,
1689 struct mt7996_vif_link *link)
1690 {
1691 #define EBF_MODE BIT(0)
1692 #define IBF_MODE BIT(1)
1693 #define BF_MAT_ORDER 4
1694 struct ieee80211_vif *vif = link_conf->vif;
1695 struct mt7996_phy *phy = link->phy;
1696 int tx_ant = hweight16(phy->mt76->chainmask) - 1;
1697 struct sta_rec_bf *bf;
1698 struct tlv *tlv;
1699 static const u8 matrix[BF_MAT_ORDER][BF_MAT_ORDER] = {
1700 {0, 0, 0, 0},
1701 {1, 1, 0, 0}, /* 2x1, 2x2, 2x3, 2x4 */
1702 {2, 4, 4, 0}, /* 3x1, 3x2, 3x3, 3x4 */
1703 {3, 5, 6, 0} /* 4x1, 4x2, 4x3, 4x4 */
1704 };
1705 bool ebf;
1706
1707 if (!(link_sta->ht_cap.ht_supported || link_sta->he_cap.has_he))
1708 return;
1709
1710 ebf = mt7996_is_ebf_supported(phy, link_conf, link_sta, false);
1711 if (!ebf && !dev->ibf)
1712 return;
1713
1714 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BF, sizeof(*bf));
1715 bf = (struct sta_rec_bf *)tlv;
1716
1717 /* he/eht: eBF only, except mt7992 that has 5T on 5GHz also supports iBF
1718 * vht: support eBF and iBF
1719 * ht: iBF only, since mac80211 lacks of eBF support
1720 */
1721 if (link_sta->eht_cap.has_eht)
1722 mt7996_mcu_sta_bfer_eht(link_sta, vif, link->phy, bf, ebf);
1723 else if (link_sta->he_cap.has_he)
1724 mt7996_mcu_sta_bfer_he(link_sta, vif, link->phy, bf, ebf);
1725 else if (link_sta->vht_cap.vht_supported)
1726 mt7996_mcu_sta_bfer_vht(link_sta, link->phy, bf, ebf);
1727 else if (link_sta->ht_cap.ht_supported)
1728 mt7996_mcu_sta_bfer_ht(link_sta, link->phy, bf, ebf);
1729 else
1730 return;
1731
1732 bf->bf_cap = ebf ? EBF_MODE : (dev->ibf ? IBF_MODE : 0);
1733 if (is_mt7992(&dev->mt76) && tx_ant == 4)
1734 bf->bf_cap |= IBF_MODE;
1735
1736 bf->bw = link_sta->bandwidth;
1737 bf->ibf_dbw = link_sta->bandwidth;
1738 bf->ibf_nrow = tx_ant;
1739
1740 if (link_sta->eht_cap.has_eht || link_sta->he_cap.has_he)
1741 bf->ibf_timeout = is_mt7996(&dev->mt76) ? MT7996_IBF_TIMEOUT :
1742 MT7992_IBF_TIMEOUT;
1743 else if (!ebf && link_sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->ncol)
1744 bf->ibf_timeout = MT7996_IBF_TIMEOUT_LEGACY;
1745 else
1746 bf->ibf_timeout = MT7996_IBF_TIMEOUT;
1747
1748 if (bf->ncol < BF_MAT_ORDER) {
1749 if (ebf)
1750 bf->mem_20m = tx_ant < BF_MAT_ORDER ?
1751 matrix[tx_ant][bf->ncol] : 0;
1752 else
1753 bf->mem_20m = bf->nrow < BF_MAT_ORDER ?
1754 matrix[bf->nrow][bf->ncol] : 0;
1755 }
1756
1757 switch (link_sta->bandwidth) {
1758 case IEEE80211_STA_RX_BW_160:
1759 case IEEE80211_STA_RX_BW_80:
1760 bf->mem_total = bf->mem_20m * 2;
1761 break;
1762 case IEEE80211_STA_RX_BW_40:
1763 bf->mem_total = bf->mem_20m;
1764 break;
1765 case IEEE80211_STA_RX_BW_20:
1766 default:
1767 break;
1768 }
1769 }
1770
1771 static void
mt7996_mcu_sta_bfee_tlv(struct mt7996_dev * dev,struct sk_buff * skb,struct ieee80211_bss_conf * link_conf,struct ieee80211_link_sta * link_sta,struct mt7996_vif_link * link)1772 mt7996_mcu_sta_bfee_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
1773 struct ieee80211_bss_conf *link_conf,
1774 struct ieee80211_link_sta *link_sta,
1775 struct mt7996_vif_link *link)
1776 {
1777 struct mt7996_phy *phy = link->phy;
1778 int tx_ant = hweight8(phy->mt76->antenna_mask) - 1;
1779 struct sta_rec_bfee *bfee;
1780 struct tlv *tlv;
1781 u8 nrow = 0;
1782
1783 if (!(link_sta->vht_cap.vht_supported || link_sta->he_cap.has_he))
1784 return;
1785
1786 if (!mt7996_is_ebf_supported(phy, link_conf, link_sta, true))
1787 return;
1788
1789 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BFEE, sizeof(*bfee));
1790 bfee = (struct sta_rec_bfee *)tlv;
1791
1792 if (link_sta->he_cap.has_he) {
1793 struct ieee80211_he_cap_elem *pe = &link_sta->he_cap.he_cap_elem;
1794
1795 nrow = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
1796 pe->phy_cap_info[5]);
1797 } else if (link_sta->vht_cap.vht_supported) {
1798 struct ieee80211_sta_vht_cap *pc = &link_sta->vht_cap;
1799
1800 nrow = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
1801 pc->cap);
1802 }
1803
1804 /* reply with identity matrix to avoid 2x2 BF negative gain */
1805 bfee->fb_identity_matrix = (nrow == 1 && tx_ant == 2);
1806 }
1807
1808 static void
mt7996_mcu_sta_tx_proc_tlv(struct sk_buff * skb)1809 mt7996_mcu_sta_tx_proc_tlv(struct sk_buff *skb)
1810 {
1811 struct sta_rec_tx_proc *tx_proc;
1812 struct tlv *tlv;
1813
1814 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_TX_PROC, sizeof(*tx_proc));
1815
1816 tx_proc = (struct sta_rec_tx_proc *)tlv;
1817 tx_proc->flag = cpu_to_le32(0);
1818 }
1819
1820 static void
mt7996_mcu_sta_hdrt_tlv(struct mt7996_dev * dev,struct sk_buff * skb)1821 mt7996_mcu_sta_hdrt_tlv(struct mt7996_dev *dev, struct sk_buff *skb)
1822 {
1823 struct sta_rec_hdrt *hdrt;
1824 struct tlv *tlv;
1825
1826 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HDRT, sizeof(*hdrt));
1827
1828 hdrt = (struct sta_rec_hdrt *)tlv;
1829 hdrt->hdrt_mode = 1;
1830 }
1831
1832 static void
mt7996_mcu_sta_hdr_trans_tlv(struct mt7996_dev * dev,struct sk_buff * skb,struct ieee80211_vif * vif,struct mt76_wcid * wcid)1833 mt7996_mcu_sta_hdr_trans_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
1834 struct ieee80211_vif *vif, struct mt76_wcid *wcid)
1835 {
1836 struct sta_rec_hdr_trans *hdr_trans;
1837 struct tlv *tlv;
1838
1839 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HDR_TRANS, sizeof(*hdr_trans));
1840 hdr_trans = (struct sta_rec_hdr_trans *)tlv;
1841 hdr_trans->dis_rx_hdr_tran = true;
1842
1843 if (vif->type == NL80211_IFTYPE_STATION)
1844 hdr_trans->to_ds = true;
1845 else
1846 hdr_trans->from_ds = true;
1847
1848 if (!wcid)
1849 return;
1850
1851 hdr_trans->dis_rx_hdr_tran = !test_bit(MT_WCID_FLAG_HDR_TRANS, &wcid->flags);
1852 if (test_bit(MT_WCID_FLAG_4ADDR, &wcid->flags)) {
1853 hdr_trans->to_ds = true;
1854 hdr_trans->from_ds = true;
1855 }
1856
1857 if (vif->type == NL80211_IFTYPE_MESH_POINT) {
1858 hdr_trans->to_ds = true;
1859 hdr_trans->from_ds = true;
1860 hdr_trans->mesh = true;
1861 }
1862 }
1863
1864 static enum mcu_mmps_mode
mt7996_mcu_get_mmps_mode(enum ieee80211_smps_mode smps)1865 mt7996_mcu_get_mmps_mode(enum ieee80211_smps_mode smps)
1866 {
1867 switch (smps) {
1868 case IEEE80211_SMPS_OFF:
1869 return MCU_MMPS_DISABLE;
1870 case IEEE80211_SMPS_STATIC:
1871 return MCU_MMPS_STATIC;
1872 case IEEE80211_SMPS_DYNAMIC:
1873 return MCU_MMPS_DYNAMIC;
1874 default:
1875 return MCU_MMPS_DISABLE;
1876 }
1877 }
1878
mt7996_mcu_set_fixed_rate_ctrl(struct mt7996_dev * dev,void * data,u16 version)1879 int mt7996_mcu_set_fixed_rate_ctrl(struct mt7996_dev *dev,
1880 void *data, u16 version)
1881 {
1882 struct ra_fixed_rate *req;
1883 struct uni_header hdr;
1884 struct sk_buff *skb;
1885 struct tlv *tlv;
1886 int len;
1887
1888 len = sizeof(hdr) + sizeof(*req);
1889
1890 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
1891 if (!skb)
1892 return -ENOMEM;
1893
1894 skb_put_data(skb, &hdr, sizeof(hdr));
1895
1896 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_RA_FIXED_RATE, sizeof(*req));
1897 req = (struct ra_fixed_rate *)tlv;
1898 req->version = cpu_to_le16(version);
1899 memcpy(&req->rate, data, sizeof(req->rate));
1900
1901 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
1902 MCU_WM_UNI_CMD(RA), true);
1903 }
1904
mt7996_mcu_set_fixed_field(struct mt7996_dev * dev,struct mt7996_sta * msta,void * data,u8 link_id,u32 field)1905 int mt7996_mcu_set_fixed_field(struct mt7996_dev *dev, struct mt7996_sta *msta,
1906 void *data, u8 link_id, u32 field)
1907 {
1908 struct mt7996_vif *mvif = msta->vif;
1909 struct mt7996_sta_link *msta_link;
1910 struct sta_rec_ra_fixed_uni *ra;
1911 struct sta_phy_uni *phy = data;
1912 struct mt76_vif_link *mlink;
1913 struct sk_buff *skb;
1914 int err = -ENODEV;
1915 struct tlv *tlv;
1916
1917 rcu_read_lock();
1918
1919 mlink = rcu_dereference(mvif->mt76.link[link_id]);
1920 if (!mlink)
1921 goto error_unlock;
1922
1923 msta_link = rcu_dereference(msta->link[link_id]);
1924 if (!msta_link)
1925 goto error_unlock;
1926
1927 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, mlink,
1928 &msta_link->wcid,
1929 MT7996_STA_UPDATE_MAX_SIZE);
1930 if (IS_ERR(skb)) {
1931 err = PTR_ERR(skb);
1932 goto error_unlock;
1933 }
1934
1935 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra));
1936 ra = (struct sta_rec_ra_fixed_uni *)tlv;
1937
1938 switch (field) {
1939 case RATE_PARAM_AUTO:
1940 break;
1941 case RATE_PARAM_FIXED:
1942 case RATE_PARAM_FIXED_MCS:
1943 case RATE_PARAM_FIXED_GI:
1944 case RATE_PARAM_FIXED_HE_LTF:
1945 if (phy)
1946 ra->phy = *phy;
1947 break;
1948 case RATE_PARAM_MMPS_UPDATE: {
1949 struct ieee80211_sta *sta = wcid_to_sta(&msta_link->wcid);
1950 struct ieee80211_link_sta *link_sta;
1951
1952 link_sta = rcu_dereference(sta->link[link_id]);
1953 if (!link_sta) {
1954 dev_kfree_skb(skb);
1955 goto error_unlock;
1956 }
1957
1958 ra->mmps_mode = mt7996_mcu_get_mmps_mode(link_sta->smps_mode);
1959 break;
1960 }
1961 default:
1962 break;
1963 }
1964 ra->field = cpu_to_le32(field);
1965
1966 rcu_read_unlock();
1967
1968 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
1969 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
1970 error_unlock:
1971 rcu_read_unlock();
1972
1973 return err;
1974 }
1975
1976 static int
mt7996_mcu_add_rate_ctrl_fixed(struct mt7996_dev * dev,struct mt7996_sta * msta,struct ieee80211_vif * vif,u8 link_id)1977 mt7996_mcu_add_rate_ctrl_fixed(struct mt7996_dev *dev, struct mt7996_sta *msta,
1978 struct ieee80211_vif *vif, u8 link_id)
1979 {
1980 struct ieee80211_link_sta *link_sta;
1981 struct cfg80211_bitrate_mask mask;
1982 struct mt7996_sta_link *msta_link;
1983 struct mt7996_vif_link *link;
1984 struct sta_phy_uni phy = {};
1985 struct ieee80211_sta *sta;
1986 int ret, nrates = 0, idx;
1987 enum nl80211_band band;
1988 bool has_he;
1989
1990 #define __sta_phy_bitrate_mask_check(_mcs, _gi, _ht, _he) \
1991 do { \
1992 u8 i, gi = mask.control[band]._gi; \
1993 gi = (_he) ? gi : gi == NL80211_TXRATE_FORCE_SGI; \
1994 phy.sgi = gi; \
1995 phy.he_ltf = mask.control[band].he_ltf; \
1996 for (i = 0; i < ARRAY_SIZE(mask.control[band]._mcs); i++) { \
1997 if (!mask.control[band]._mcs[i]) \
1998 continue; \
1999 nrates += hweight16(mask.control[band]._mcs[i]); \
2000 phy.mcs = ffs(mask.control[band]._mcs[i]) - 1; \
2001 if (_ht) \
2002 phy.mcs += 8 * i; \
2003 } \
2004 } while (0)
2005
2006 rcu_read_lock();
2007
2008 link = mt7996_vif_link(dev, vif, link_id);
2009 if (!link)
2010 goto error_unlock;
2011
2012 msta_link = rcu_dereference(msta->link[link_id]);
2013 if (!msta_link)
2014 goto error_unlock;
2015
2016 sta = wcid_to_sta(&msta_link->wcid);
2017 link_sta = rcu_dereference(sta->link[link_id]);
2018 if (!link_sta)
2019 goto error_unlock;
2020
2021 band = link->phy->mt76->chandef.chan->band;
2022 has_he = link_sta->he_cap.has_he;
2023 mask = link->bitrate_mask;
2024 idx = msta_link->wcid.idx;
2025
2026 if (has_he) {
2027 __sta_phy_bitrate_mask_check(he_mcs, he_gi, 0, 1);
2028 } else if (link_sta->vht_cap.vht_supported) {
2029 __sta_phy_bitrate_mask_check(vht_mcs, gi, 0, 0);
2030 } else if (link_sta->ht_cap.ht_supported) {
2031 __sta_phy_bitrate_mask_check(ht_mcs, gi, 1, 0);
2032 } else {
2033 nrates = hweight32(mask.control[band].legacy);
2034 phy.mcs = ffs(mask.control[band].legacy) - 1;
2035 }
2036
2037 rcu_read_unlock();
2038
2039 #undef __sta_phy_bitrate_mask_check
2040
2041 /* fall back to auto rate control */
2042 if (mask.control[band].gi == NL80211_TXRATE_DEFAULT_GI &&
2043 mask.control[band].he_gi == GENMASK(7, 0) &&
2044 mask.control[band].he_ltf == GENMASK(7, 0) &&
2045 nrates != 1)
2046 return 0;
2047
2048 /* fixed single rate */
2049 if (nrates == 1) {
2050 ret = mt7996_mcu_set_fixed_field(dev, msta, &phy, link_id,
2051 RATE_PARAM_FIXED_MCS);
2052 if (ret)
2053 return ret;
2054 }
2055
2056 /* fixed GI */
2057 if (mask.control[band].gi != NL80211_TXRATE_DEFAULT_GI ||
2058 mask.control[band].he_gi != GENMASK(7, 0)) {
2059 u32 addr;
2060
2061 /* firmware updates only TXCMD but doesn't take WTBL into
2062 * account, so driver should update here to reflect the
2063 * actual txrate hardware sends out.
2064 */
2065 addr = mt7996_mac_wtbl_lmac_addr(dev, idx, 7);
2066 if (has_he)
2067 mt76_rmw_field(dev, addr, GENMASK(31, 24), phy.sgi);
2068 else
2069 mt76_rmw_field(dev, addr, GENMASK(15, 12), phy.sgi);
2070
2071 ret = mt7996_mcu_set_fixed_field(dev, msta, &phy, link_id,
2072 RATE_PARAM_FIXED_GI);
2073 if (ret)
2074 return ret;
2075 }
2076
2077 /* fixed HE_LTF */
2078 if (mask.control[band].he_ltf != GENMASK(7, 0)) {
2079 ret = mt7996_mcu_set_fixed_field(dev, msta, &phy, link_id,
2080 RATE_PARAM_FIXED_HE_LTF);
2081 if (ret)
2082 return ret;
2083 }
2084
2085 return 0;
2086
2087 error_unlock:
2088 rcu_read_unlock();
2089
2090 return -ENODEV;
2091 }
2092
2093 static void
mt7996_mcu_sta_rate_ctrl_tlv(struct sk_buff * skb,struct mt7996_dev * dev,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_link_sta * link_sta,struct mt7996_vif_link * link)2094 mt7996_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7996_dev *dev,
2095 struct ieee80211_vif *vif,
2096 struct ieee80211_bss_conf *link_conf,
2097 struct ieee80211_link_sta *link_sta,
2098 struct mt7996_vif_link *link)
2099 {
2100 #define INIT_RCPI 180
2101 struct mt76_phy *mphy = link->phy->mt76;
2102 struct cfg80211_chan_def *chandef = &mphy->chandef;
2103 struct cfg80211_bitrate_mask *mask = &link->bitrate_mask;
2104 u32 cap = link_sta->sta->wme ? STA_CAP_WMM : 0;
2105 enum nl80211_band band = chandef->chan->band;
2106 struct sta_rec_ra_uni *ra;
2107 struct tlv *tlv;
2108 u32 supp_rate = link_sta->supp_rates[band];
2109
2110 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra));
2111 ra = (struct sta_rec_ra_uni *)tlv;
2112
2113 ra->valid = true;
2114 ra->auto_rate = true;
2115 ra->phy_mode = mt76_connac_get_phy_mode(mphy, vif, band, link_sta);
2116 ra->channel = chandef->chan->hw_value;
2117 ra->bw = (link_sta->bandwidth == IEEE80211_STA_RX_BW_320) ?
2118 CMD_CBW_320MHZ : link_sta->bandwidth;
2119 ra->phy.bw = ra->bw;
2120 ra->mmps_mode = mt7996_mcu_get_mmps_mode(link_sta->smps_mode);
2121
2122 if (supp_rate) {
2123 supp_rate &= mask->control[band].legacy;
2124 ra->rate_len = hweight32(supp_rate);
2125
2126 if (band == NL80211_BAND_2GHZ) {
2127 ra->supp_mode = MODE_CCK;
2128 ra->supp_cck_rate = supp_rate & GENMASK(3, 0);
2129
2130 if (ra->rate_len > 4) {
2131 ra->supp_mode |= MODE_OFDM;
2132 ra->supp_ofdm_rate = supp_rate >> 4;
2133 }
2134 } else {
2135 ra->supp_mode = MODE_OFDM;
2136 ra->supp_ofdm_rate = supp_rate;
2137 }
2138 }
2139
2140 if (link_sta->ht_cap.ht_supported) {
2141 ra->supp_mode |= MODE_HT;
2142 ra->af = link_sta->ht_cap.ampdu_factor;
2143 ra->ht_gf = !!(link_sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD);
2144
2145 cap |= STA_CAP_HT;
2146 if (link_sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
2147 cap |= STA_CAP_SGI_20;
2148 if (link_sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
2149 cap |= STA_CAP_SGI_40;
2150 if (link_sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC)
2151 cap |= STA_CAP_TX_STBC;
2152 if (link_sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
2153 cap |= STA_CAP_RX_STBC;
2154 if (link_conf->ht_ldpc &&
2155 (link_sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING))
2156 cap |= STA_CAP_LDPC;
2157
2158 mt7996_mcu_set_sta_ht_mcs(link_sta, ra->ht_mcs,
2159 mask->control[band].ht_mcs);
2160 ra->supp_ht_mcs = *(__le32 *)ra->ht_mcs;
2161 }
2162
2163 if (link_sta->vht_cap.vht_supported) {
2164 u8 af;
2165
2166 ra->supp_mode |= MODE_VHT;
2167 af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
2168 link_sta->vht_cap.cap);
2169 ra->af = max_t(u8, ra->af, af);
2170
2171 cap |= STA_CAP_VHT;
2172 if (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
2173 cap |= STA_CAP_VHT_SGI_80;
2174 if (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
2175 cap |= STA_CAP_VHT_SGI_160;
2176 if (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC)
2177 cap |= STA_CAP_VHT_TX_STBC;
2178 if (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_1)
2179 cap |= STA_CAP_VHT_RX_STBC;
2180 if ((vif->type != NL80211_IFTYPE_AP || link_conf->vht_ldpc) &&
2181 (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC))
2182 cap |= STA_CAP_VHT_LDPC;
2183
2184 mt7996_mcu_set_sta_vht_mcs(link_sta, ra->supp_vht_mcs,
2185 mask->control[band].vht_mcs);
2186 }
2187
2188 if (link_sta->he_cap.has_he) {
2189 ra->supp_mode |= MODE_HE;
2190 cap |= STA_CAP_HE;
2191
2192 if (link_sta->he_6ghz_capa.capa)
2193 ra->af = le16_get_bits(link_sta->he_6ghz_capa.capa,
2194 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
2195 }
2196 ra->sta_cap = cpu_to_le32(cap);
2197
2198 memset(ra->rx_rcpi, INIT_RCPI, sizeof(ra->rx_rcpi));
2199 }
2200
mt7996_mcu_add_rate_ctrl(struct mt7996_dev * dev,struct mt7996_sta * msta,struct ieee80211_vif * vif,u8 link_id,bool changed)2201 int mt7996_mcu_add_rate_ctrl(struct mt7996_dev *dev, struct mt7996_sta *msta,
2202 struct ieee80211_vif *vif, u8 link_id,
2203 bool changed)
2204 {
2205 struct ieee80211_bss_conf *link_conf;
2206 struct ieee80211_link_sta *link_sta;
2207 struct mt7996_sta_link *msta_link;
2208 struct mt7996_vif_link *link;
2209 struct ieee80211_sta *sta;
2210 struct sk_buff *skb;
2211 int ret = -ENODEV;
2212
2213 rcu_read_lock();
2214
2215 link = mt7996_vif_link(dev, vif, link_id);
2216 if (!link)
2217 goto error_unlock;
2218
2219 msta_link = rcu_dereference(msta->link[link_id]);
2220 if (!msta_link)
2221 goto error_unlock;
2222
2223 sta = wcid_to_sta(&msta_link->wcid);
2224 link_sta = rcu_dereference(sta->link[link_id]);
2225 if (!link_sta)
2226 goto error_unlock;
2227
2228 link_conf = rcu_dereference(vif->link_conf[link_id]);
2229 if (!link_conf)
2230 goto error_unlock;
2231
2232 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76,
2233 &msta_link->wcid,
2234 MT7996_STA_UPDATE_MAX_SIZE);
2235 if (IS_ERR(skb)) {
2236 ret = PTR_ERR(skb);
2237 goto error_unlock;
2238 }
2239
2240 /* firmware rc algorithm refers to sta_rec_he for HE control.
2241 * once dev->rc_work changes the settings driver should also
2242 * update sta_rec_he here.
2243 */
2244 if (changed)
2245 mt7996_mcu_sta_he_tlv(skb, link_sta, link);
2246
2247 /* sta_rec_ra accommodates BW, NSS and only MCS range format
2248 * i.e 0-{7,8,9} for VHT.
2249 */
2250 mt7996_mcu_sta_rate_ctrl_tlv(skb, dev, vif, link_conf, link_sta, link);
2251
2252 rcu_read_unlock();
2253
2254 ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
2255 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
2256 if (ret)
2257 return ret;
2258
2259 return mt7996_mcu_add_rate_ctrl_fixed(dev, msta, vif, link_id);
2260
2261 error_unlock:
2262 rcu_read_unlock();
2263
2264 return ret;
2265 }
2266
2267 static int
mt7996_mcu_add_group(struct mt7996_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)2268 mt7996_mcu_add_group(struct mt7996_dev *dev, struct ieee80211_vif *vif,
2269 struct ieee80211_sta *sta)
2270 {
2271 #define MT_STA_BSS_GROUP 1
2272 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
2273 struct mt7996_sta_link *msta_link;
2274 struct mt7996_sta *msta;
2275 struct {
2276 u8 __rsv1[4];
2277
2278 __le16 tag;
2279 __le16 len;
2280 __le16 wlan_idx;
2281 u8 __rsv2[2];
2282 __le32 action;
2283 __le32 val;
2284 u8 __rsv3[8];
2285 } __packed req = {
2286 .tag = cpu_to_le16(UNI_VOW_DRR_CTRL),
2287 .len = cpu_to_le16(sizeof(req) - 4),
2288 .action = cpu_to_le32(MT_STA_BSS_GROUP),
2289 .val = cpu_to_le32(mvif->deflink.mt76.idx % 16),
2290 };
2291
2292 msta = sta ? (struct mt7996_sta *)sta->drv_priv : NULL;
2293 msta_link = msta ? &msta->deflink : &mvif->deflink.msta_link;
2294 req.wlan_idx = cpu_to_le16(msta_link->wcid.idx);
2295
2296 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(VOW), &req,
2297 sizeof(req), true);
2298 }
2299
2300 static void
mt7996_mcu_sta_mld_setup_tlv(struct mt7996_dev * dev,struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_sta * sta)2301 mt7996_mcu_sta_mld_setup_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
2302 struct ieee80211_vif *vif,
2303 struct ieee80211_sta *sta)
2304 {
2305 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
2306 unsigned int nlinks = hweight16(sta->valid_links);
2307 struct mld_setup_link *mld_setup_link;
2308 struct ieee80211_link_sta *link_sta;
2309 struct sta_rec_mld_setup *mld_setup;
2310 struct mt7996_sta_link *msta_link;
2311 unsigned int link_id;
2312 struct tlv *tlv;
2313
2314 msta_link = mt76_dereference(msta->link[msta->deflink_id], &dev->mt76);
2315 if (!msta_link)
2316 return;
2317
2318 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_MLD,
2319 sizeof(struct sta_rec_mld_setup) +
2320 sizeof(struct mld_setup_link) * nlinks);
2321
2322 mld_setup = (struct sta_rec_mld_setup *)tlv;
2323 memcpy(mld_setup->mld_addr, sta->addr, ETH_ALEN);
2324 mld_setup->setup_wcid = cpu_to_le16(msta_link->wcid.idx);
2325 mld_setup->primary_id = cpu_to_le16(msta_link->wcid.idx);
2326
2327 if (nlinks > 1) {
2328 link_id = __ffs(sta->valid_links & ~BIT(msta->deflink_id));
2329 msta_link = mt76_dereference(msta->link[link_id], &dev->mt76);
2330 if (!msta_link)
2331 return;
2332 }
2333 mld_setup->seconed_id = cpu_to_le16(msta_link->wcid.idx);
2334 mld_setup->link_num = nlinks;
2335
2336 mld_setup_link = (struct mld_setup_link *)mld_setup->link_info;
2337 for_each_sta_active_link(vif, sta, link_sta, link_id) {
2338 struct mt7996_vif_link *link;
2339
2340 msta_link = mt76_dereference(msta->link[link_id], &dev->mt76);
2341 if (!msta_link)
2342 continue;
2343
2344 link = mt7996_vif_link(dev, vif, link_id);
2345 if (!link)
2346 continue;
2347
2348 mld_setup_link->wcid = cpu_to_le16(msta_link->wcid.idx);
2349 mld_setup_link->bss_idx = link->mt76.idx;
2350 mld_setup_link++;
2351 }
2352 }
2353
2354 static void
mt7996_mcu_sta_eht_mld_tlv(struct mt7996_dev * dev,struct sk_buff * skb,struct ieee80211_sta * sta)2355 mt7996_mcu_sta_eht_mld_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
2356 struct ieee80211_sta *sta)
2357 {
2358 struct sta_rec_eht_mld *eht_mld;
2359 struct tlv *tlv;
2360 int i;
2361
2362 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_EHT_MLD, sizeof(*eht_mld));
2363 eht_mld = (struct sta_rec_eht_mld *)tlv;
2364
2365 for (i = 0; i < ARRAY_SIZE(eht_mld->str_cap); i++)
2366 eht_mld->str_cap[i] = 0x7;
2367 }
2368
mt7996_mcu_add_sta(struct mt7996_dev * dev,struct ieee80211_bss_conf * link_conf,struct ieee80211_link_sta * link_sta,struct mt7996_vif_link * link,struct mt7996_sta_link * msta_link,int conn_state,bool newly)2369 int mt7996_mcu_add_sta(struct mt7996_dev *dev,
2370 struct ieee80211_bss_conf *link_conf,
2371 struct ieee80211_link_sta *link_sta,
2372 struct mt7996_vif_link *link,
2373 struct mt7996_sta_link *msta_link,
2374 int conn_state, bool newly)
2375 {
2376 struct mt76_wcid *wcid = msta_link ? &msta_link->wcid : link->mt76.wcid;
2377 struct ieee80211_sta *sta = link_sta ? link_sta->sta : NULL;
2378 struct sk_buff *skb;
2379 int ret;
2380
2381 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76, wcid,
2382 MT7996_STA_UPDATE_MAX_SIZE);
2383 if (IS_ERR(skb))
2384 return PTR_ERR(skb);
2385
2386 /* starec basic */
2387 mt76_connac_mcu_sta_basic_tlv(&dev->mt76, skb, link_conf, link_sta,
2388 conn_state, newly);
2389
2390 if (conn_state == CONN_STATE_DISCONNECT)
2391 goto out;
2392
2393 /* starec hdr trans */
2394 mt7996_mcu_sta_hdr_trans_tlv(dev, skb, link_conf->vif, wcid);
2395 /* starec tx proc */
2396 mt7996_mcu_sta_tx_proc_tlv(skb);
2397
2398 /* tag order is in accordance with firmware dependency. */
2399 if (link_sta) {
2400 /* starec hdrt mode */
2401 mt7996_mcu_sta_hdrt_tlv(dev, skb);
2402 if (conn_state == CONN_STATE_CONNECT) {
2403 /* starec bfer */
2404 mt7996_mcu_sta_bfer_tlv(dev, skb, link_conf, link_sta,
2405 link);
2406 /* starec bfee */
2407 mt7996_mcu_sta_bfee_tlv(dev, skb, link_conf, link_sta,
2408 link);
2409 }
2410 /* starec ht */
2411 mt7996_mcu_sta_ht_tlv(skb, link_sta);
2412 /* starec vht */
2413 mt7996_mcu_sta_vht_tlv(skb, link_sta);
2414 /* starec uapsd */
2415 mt76_connac_mcu_sta_uapsd(skb, link_conf->vif, sta);
2416 /* starec amsdu */
2417 mt7996_mcu_sta_amsdu_tlv(dev, skb, link_conf->vif, link_sta,
2418 msta_link);
2419 /* starec he */
2420 mt7996_mcu_sta_he_tlv(skb, link_sta, link);
2421 /* starec he 6g*/
2422 mt7996_mcu_sta_he_6g_tlv(skb, link_sta);
2423 /* starec eht */
2424 mt7996_mcu_sta_eht_tlv(skb, link_sta);
2425 /* starec muru */
2426 mt7996_mcu_sta_muru_tlv(dev, skb, link_conf, link_sta);
2427
2428 if (sta->mlo) {
2429 mt7996_mcu_sta_mld_setup_tlv(dev, skb, link_conf->vif,
2430 sta);
2431 mt7996_mcu_sta_eht_mld_tlv(dev, skb, sta);
2432 }
2433 }
2434
2435 ret = mt7996_mcu_add_group(dev, link_conf->vif, sta);
2436 if (ret) {
2437 dev_kfree_skb(skb);
2438 return ret;
2439 }
2440 out:
2441 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
2442 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
2443 }
2444
mt7996_mcu_teardown_mld_sta(struct mt7996_dev * dev,struct mt7996_vif_link * link,struct mt7996_sta_link * msta_link)2445 int mt7996_mcu_teardown_mld_sta(struct mt7996_dev *dev,
2446 struct mt7996_vif_link *link,
2447 struct mt7996_sta_link *msta_link)
2448 {
2449 struct sk_buff *skb;
2450
2451 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76,
2452 &msta_link->wcid,
2453 MT7996_STA_UPDATE_MAX_SIZE);
2454 if (IS_ERR(skb))
2455 return PTR_ERR(skb);
2456
2457 mt76_connac_mcu_add_tlv(skb, STA_REC_MLD_OFF, sizeof(struct tlv));
2458
2459 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
2460 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
2461 }
2462
2463 static int
mt7996_mcu_sta_key_tlv(struct mt76_wcid * wcid,struct sk_buff * skb,struct ieee80211_key_conf * key,enum set_key_cmd cmd)2464 mt7996_mcu_sta_key_tlv(struct mt76_wcid *wcid,
2465 struct sk_buff *skb,
2466 struct ieee80211_key_conf *key,
2467 enum set_key_cmd cmd)
2468 {
2469 struct sta_rec_sec_uni *sec;
2470 struct tlv *tlv;
2471
2472 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec));
2473 sec = (struct sta_rec_sec_uni *)tlv;
2474 sec->add = cmd;
2475
2476 if (cmd == SET_KEY) {
2477 struct sec_key_uni *sec_key;
2478 u8 cipher;
2479
2480 cipher = mt76_connac_mcu_get_cipher(key->cipher);
2481 if (cipher == MCU_CIPHER_NONE)
2482 return -EOPNOTSUPP;
2483
2484 sec_key = &sec->key[0];
2485 sec_key->wlan_idx = cpu_to_le16(wcid->idx);
2486 sec_key->mgmt_prot = 0;
2487 sec_key->cipher_id = cipher;
2488 sec_key->cipher_len = sizeof(*sec_key);
2489 sec_key->key_id = key->keyidx;
2490 sec_key->key_len = key->keylen;
2491 sec_key->need_resp = 0;
2492 memcpy(sec_key->key, key->key, key->keylen);
2493
2494 if (cipher == MCU_CIPHER_TKIP) {
2495 /* Rx/Tx MIC keys are swapped */
2496 memcpy(sec_key->key + 16, key->key + 24, 8);
2497 memcpy(sec_key->key + 24, key->key + 16, 8);
2498 }
2499
2500 sec->n_cipher = 1;
2501 } else {
2502 sec->n_cipher = 0;
2503 }
2504
2505 return 0;
2506 }
2507
mt7996_mcu_add_key(struct mt76_dev * dev,struct ieee80211_vif * vif,struct ieee80211_key_conf * key,int mcu_cmd,struct mt76_wcid * wcid,enum set_key_cmd cmd)2508 int mt7996_mcu_add_key(struct mt76_dev *dev, struct ieee80211_vif *vif,
2509 struct ieee80211_key_conf *key, int mcu_cmd,
2510 struct mt76_wcid *wcid, enum set_key_cmd cmd)
2511 {
2512 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
2513 struct sk_buff *skb;
2514 int ret;
2515
2516 skb = __mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid,
2517 MT7996_STA_UPDATE_MAX_SIZE);
2518 if (IS_ERR(skb))
2519 return PTR_ERR(skb);
2520
2521 ret = mt7996_mcu_sta_key_tlv(wcid, skb, key, cmd);
2522 if (ret)
2523 return ret;
2524
2525 return mt76_mcu_skb_send_msg(dev, skb, mcu_cmd, true);
2526 }
2527
mt7996_mcu_get_pn(struct mt7996_dev * dev,struct mt7996_vif_link * link,struct mt7996_sta_link * msta_link,u8 * pn)2528 static int mt7996_mcu_get_pn(struct mt7996_dev *dev,
2529 struct mt7996_vif_link *link,
2530 struct mt7996_sta_link *msta_link, u8 *pn)
2531 {
2532 #define TSC_TYPE_BIGTK_PN 2
2533 struct sta_rec_pn_info *pn_info;
2534 struct sk_buff *skb, *rskb;
2535 struct tlv *tlv;
2536 int ret;
2537
2538 skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76,
2539 &msta_link->wcid);
2540 if (IS_ERR(skb))
2541 return PTR_ERR(skb);
2542
2543 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_PN_INFO, sizeof(*pn_info));
2544 pn_info = (struct sta_rec_pn_info *)tlv;
2545
2546 pn_info->tsc_type = TSC_TYPE_BIGTK_PN;
2547 ret = mt76_mcu_skb_send_and_get_msg(&dev->mt76, skb,
2548 MCU_WM_UNI_CMD_QUERY(STA_REC_UPDATE),
2549 true, &rskb);
2550 if (ret)
2551 return ret;
2552
2553 skb_pull(rskb, 4);
2554
2555 pn_info = (struct sta_rec_pn_info *)rskb->data;
2556 if (le16_to_cpu(pn_info->tag) == STA_REC_PN_INFO)
2557 memcpy(pn, pn_info->pn, 6);
2558
2559 dev_kfree_skb(rskb);
2560 return 0;
2561 }
2562
mt7996_mcu_bcn_prot_enable(struct mt7996_dev * dev,struct mt7996_vif_link * link,struct mt7996_sta_link * msta_link,struct ieee80211_key_conf * key)2563 int mt7996_mcu_bcn_prot_enable(struct mt7996_dev *dev,
2564 struct mt7996_vif_link *link,
2565 struct mt7996_sta_link *msta_link,
2566 struct ieee80211_key_conf *key)
2567 {
2568 struct mt7996_mcu_bcn_prot_tlv *bcn_prot;
2569 struct sk_buff *skb;
2570 struct tlv *tlv;
2571 u8 pn[6] = {};
2572 int len = sizeof(struct bss_req_hdr) +
2573 sizeof(struct mt7996_mcu_bcn_prot_tlv);
2574 int ret;
2575
2576 skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &link->mt76, len);
2577 if (IS_ERR(skb))
2578 return PTR_ERR(skb);
2579
2580 tlv = mt76_connac_mcu_add_tlv(skb, UNI_BSS_INFO_BCN_PROT, sizeof(*bcn_prot));
2581
2582 bcn_prot = (struct mt7996_mcu_bcn_prot_tlv *)tlv;
2583
2584 ret = mt7996_mcu_get_pn(dev, link, msta_link, pn);
2585 if (ret) {
2586 dev_kfree_skb(skb);
2587 return ret;
2588 }
2589
2590 switch (key->cipher) {
2591 case WLAN_CIPHER_SUITE_AES_CMAC:
2592 bcn_prot->cipher_id = MCU_CIPHER_BCN_PROT_CMAC_128;
2593 break;
2594 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
2595 bcn_prot->cipher_id = MCU_CIPHER_BCN_PROT_GMAC_128;
2596 break;
2597 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
2598 bcn_prot->cipher_id = MCU_CIPHER_BCN_PROT_GMAC_256;
2599 break;
2600 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
2601 default:
2602 dev_err(dev->mt76.dev, "Not supported Bigtk Cipher\n");
2603 dev_kfree_skb(skb);
2604 return -EOPNOTSUPP;
2605 }
2606
2607 pn[0]++;
2608 memcpy(bcn_prot->pn, pn, 6);
2609 bcn_prot->enable = BP_SW_MODE;
2610 memcpy(bcn_prot->key, key->key, WLAN_MAX_KEY_LEN);
2611 bcn_prot->key_id = key->keyidx;
2612
2613 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
2614 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
2615 }
2616
mt7996_mcu_add_dev_info(struct mt7996_phy * phy,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct mt76_vif_link * mlink,bool enable)2617 int mt7996_mcu_add_dev_info(struct mt7996_phy *phy, struct ieee80211_vif *vif,
2618 struct ieee80211_bss_conf *link_conf,
2619 struct mt76_vif_link *mlink, bool enable)
2620 {
2621 struct mt7996_dev *dev = phy->dev;
2622 struct {
2623 struct req_hdr {
2624 u8 omac_idx;
2625 u8 band_idx;
2626 u8 __rsv[2];
2627 } __packed hdr;
2628 struct req_tlv {
2629 __le16 tag;
2630 __le16 len;
2631 u8 active;
2632 u8 __rsv;
2633 u8 omac_addr[ETH_ALEN];
2634 } __packed tlv;
2635 } data = {
2636 .hdr = {
2637 .omac_idx = mlink->omac_idx,
2638 .band_idx = mlink->band_idx,
2639 },
2640 .tlv = {
2641 .tag = cpu_to_le16(DEV_INFO_ACTIVE),
2642 .len = cpu_to_le16(sizeof(struct req_tlv)),
2643 .active = enable,
2644 },
2645 };
2646
2647 if (mlink->omac_idx >= REPEATER_BSSID_START)
2648 return mt7996_mcu_muar_config(dev, mlink, link_conf->addr, false, enable);
2649
2650 memcpy(data.tlv.omac_addr, link_conf->addr, ETH_ALEN);
2651 return mt76_mcu_send_msg(&dev->mt76, MCU_WMWA_UNI_CMD(DEV_INFO_UPDATE),
2652 &data, sizeof(data), true);
2653 }
2654
2655 static void
mt7996_mcu_beacon_cntdwn(struct sk_buff * rskb,struct sk_buff * skb,struct ieee80211_mutable_offsets * offs,bool csa)2656 mt7996_mcu_beacon_cntdwn(struct sk_buff *rskb, struct sk_buff *skb,
2657 struct ieee80211_mutable_offsets *offs,
2658 bool csa)
2659 {
2660 struct bss_bcn_cntdwn_tlv *info;
2661 struct tlv *tlv;
2662 u16 tag;
2663
2664 if (!offs->cntdwn_counter_offs[0])
2665 return;
2666
2667 tag = csa ? UNI_BSS_INFO_BCN_CSA : UNI_BSS_INFO_BCN_BCC;
2668
2669 tlv = mt7996_mcu_add_uni_tlv(rskb, tag, sizeof(*info));
2670
2671 info = (struct bss_bcn_cntdwn_tlv *)tlv;
2672 info->cnt = skb->data[offs->cntdwn_counter_offs[0]];
2673 }
2674
2675 static void
mt7996_mcu_beacon_mbss(struct sk_buff * rskb,struct sk_buff * skb,struct bss_bcn_content_tlv * bcn,struct ieee80211_mutable_offsets * offs)2676 mt7996_mcu_beacon_mbss(struct sk_buff *rskb, struct sk_buff *skb,
2677 struct bss_bcn_content_tlv *bcn,
2678 struct ieee80211_mutable_offsets *offs)
2679 {
2680 struct bss_bcn_mbss_tlv *mbss;
2681 const struct element *elem;
2682 struct tlv *tlv;
2683
2684 tlv = mt7996_mcu_add_uni_tlv(rskb, UNI_BSS_INFO_BCN_MBSSID, sizeof(*mbss));
2685
2686 mbss = (struct bss_bcn_mbss_tlv *)tlv;
2687 mbss->offset[0] = cpu_to_le16(offs->tim_offset);
2688 mbss->bitmap = cpu_to_le32(1);
2689
2690 for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID,
2691 &skb->data[offs->mbssid_off],
2692 skb->len - offs->mbssid_off) {
2693 const struct element *sub_elem;
2694
2695 if (elem->datalen < 2)
2696 continue;
2697
2698 for_each_element(sub_elem, elem->data + 1, elem->datalen - 1) {
2699 const struct ieee80211_bssid_index *idx;
2700 const u8 *idx_ie;
2701
2702 /* not a valid BSS profile */
2703 if (sub_elem->id || sub_elem->datalen < 4)
2704 continue;
2705
2706 /* Find WLAN_EID_MULTI_BSSID_IDX
2707 * in the merged nontransmitted profile
2708 */
2709 idx_ie = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX,
2710 sub_elem->data, sub_elem->datalen);
2711 if (!idx_ie || idx_ie[1] < sizeof(*idx))
2712 continue;
2713
2714 idx = (void *)(idx_ie + 2);
2715 if (!idx->bssid_index || idx->bssid_index > 31)
2716 continue;
2717
2718 mbss->offset[idx->bssid_index] = cpu_to_le16(idx_ie -
2719 skb->data);
2720 mbss->bitmap |= cpu_to_le32(BIT(idx->bssid_index));
2721 }
2722 }
2723 }
2724
2725 static void
mt7996_mcu_beacon_cont(struct mt7996_dev * dev,struct ieee80211_bss_conf * link_conf,struct sk_buff * rskb,struct sk_buff * skb,struct bss_bcn_content_tlv * bcn,struct ieee80211_mutable_offsets * offs)2726 mt7996_mcu_beacon_cont(struct mt7996_dev *dev,
2727 struct ieee80211_bss_conf *link_conf,
2728 struct sk_buff *rskb, struct sk_buff *skb,
2729 struct bss_bcn_content_tlv *bcn,
2730 struct ieee80211_mutable_offsets *offs)
2731 {
2732 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
2733 u8 *buf;
2734
2735 bcn->pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
2736 bcn->tim_ie_pos = cpu_to_le16(offs->tim_offset);
2737
2738 if (offs->cntdwn_counter_offs[0]) {
2739 u16 offset = offs->cntdwn_counter_offs[0];
2740
2741 if (link_conf->csa_active)
2742 bcn->csa_ie_pos = cpu_to_le16(offset - 4);
2743 if (link_conf->color_change_active)
2744 bcn->bcc_ie_pos = cpu_to_le16(offset - 3);
2745 }
2746
2747 buf = (u8 *)bcn + sizeof(*bcn);
2748 mt7996_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, NULL, 0, 0,
2749 BSS_CHANGED_BEACON);
2750
2751 memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
2752 }
2753
mt7996_mcu_add_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)2754 int mt7996_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
2755 struct ieee80211_bss_conf *link_conf)
2756 {
2757 struct mt7996_dev *dev = mt7996_hw_dev(hw);
2758 struct mt76_vif_link *mlink = mt76_vif_conf_link(&dev->mt76, vif, link_conf);
2759 struct ieee80211_mutable_offsets offs;
2760 struct ieee80211_tx_info *info;
2761 struct sk_buff *skb, *rskb;
2762 struct tlv *tlv;
2763 struct bss_bcn_content_tlv *bcn;
2764 int len, extra_len = 0;
2765
2766 if (link_conf->nontransmitted)
2767 return 0;
2768
2769 if (!mlink)
2770 return -EINVAL;
2771
2772 rskb = __mt7996_mcu_alloc_bss_req(&dev->mt76, mlink,
2773 MT7996_MAX_BSS_OFFLOAD_SIZE);
2774 if (IS_ERR(rskb))
2775 return PTR_ERR(rskb);
2776
2777 skb = ieee80211_beacon_get_template(hw, vif, &offs, link_conf->link_id);
2778 if (link_conf->enable_beacon && !skb) {
2779 dev_kfree_skb(rskb);
2780 return -EINVAL;
2781 }
2782
2783 if (skb) {
2784 if (skb->len > MT7996_MAX_BEACON_SIZE) {
2785 dev_err(dev->mt76.dev, "Bcn size limit exceed\n");
2786 dev_kfree_skb(rskb);
2787 dev_kfree_skb(skb);
2788 return -EINVAL;
2789 }
2790
2791 extra_len = skb->len;
2792 }
2793
2794 len = ALIGN(sizeof(*bcn) + MT_TXD_SIZE + extra_len, 4);
2795 tlv = mt7996_mcu_add_uni_tlv(rskb, UNI_BSS_INFO_BCN_CONTENT, len);
2796 bcn = (struct bss_bcn_content_tlv *)tlv;
2797 bcn->enable = link_conf->enable_beacon;
2798 if (!bcn->enable)
2799 goto out;
2800
2801 info = IEEE80211_SKB_CB(skb);
2802 info->hw_queue |= FIELD_PREP(MT_TX_HW_QUEUE_PHY, mlink->band_idx);
2803
2804 mt7996_mcu_beacon_cont(dev, link_conf, rskb, skb, bcn, &offs);
2805 if (link_conf->bssid_indicator)
2806 mt7996_mcu_beacon_mbss(rskb, skb, bcn, &offs);
2807 mt7996_mcu_beacon_cntdwn(rskb, skb, &offs, link_conf->csa_active);
2808 out:
2809 dev_kfree_skb(skb);
2810 return mt76_mcu_skb_send_msg(&dev->mt76, rskb,
2811 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
2812 }
2813
mt7996_mcu_beacon_inband_discov(struct mt7996_dev * dev,struct ieee80211_bss_conf * link_conf,struct mt7996_vif_link * link,u32 changed)2814 int mt7996_mcu_beacon_inband_discov(struct mt7996_dev *dev,
2815 struct ieee80211_bss_conf *link_conf,
2816 struct mt7996_vif_link *link, u32 changed)
2817 {
2818 #define OFFLOAD_TX_MODE_SU BIT(0)
2819 #define OFFLOAD_TX_MODE_MU BIT(1)
2820 struct ieee80211_vif *vif = link_conf->vif;
2821 struct ieee80211_hw *hw = mt76_hw(dev);
2822 struct mt7996_phy *phy = link->phy;
2823 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
2824 struct bss_inband_discovery_tlv *discov;
2825 struct ieee80211_tx_info *info;
2826 struct sk_buff *rskb, *skb = NULL;
2827 struct cfg80211_chan_def *chandef;
2828 enum nl80211_band band;
2829 struct tlv *tlv;
2830 u8 *buf, interval;
2831 int len;
2832
2833 if (!phy)
2834 return -EINVAL;
2835
2836 chandef = &phy->mt76->chandef;
2837 band = chandef->chan->band;
2838
2839 if (link_conf->nontransmitted)
2840 return 0;
2841
2842 rskb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &link->mt76,
2843 MT7996_MAX_BSS_OFFLOAD_SIZE);
2844 if (IS_ERR(rskb))
2845 return PTR_ERR(rskb);
2846
2847 if (changed & BSS_CHANGED_FILS_DISCOVERY &&
2848 link_conf->fils_discovery.max_interval) {
2849 interval = link_conf->fils_discovery.max_interval;
2850 skb = ieee80211_get_fils_discovery_tmpl(hw, vif);
2851 } else if (changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP &&
2852 link_conf->unsol_bcast_probe_resp_interval) {
2853 interval = link_conf->unsol_bcast_probe_resp_interval;
2854 skb = ieee80211_get_unsol_bcast_probe_resp_tmpl(hw, vif);
2855 }
2856
2857 if (!skb) {
2858 dev_kfree_skb(rskb);
2859 return -EINVAL;
2860 }
2861
2862 if (skb->len > MT7996_MAX_BEACON_SIZE) {
2863 dev_err(dev->mt76.dev, "inband discovery size limit exceed\n");
2864 dev_kfree_skb(rskb);
2865 dev_kfree_skb(skb);
2866 return -EINVAL;
2867 }
2868
2869 info = IEEE80211_SKB_CB(skb);
2870 info->control.vif = vif;
2871 info->band = band;
2872 info->hw_queue |= FIELD_PREP(MT_TX_HW_QUEUE_PHY, phy->mt76->band_idx);
2873
2874 len = ALIGN(sizeof(*discov) + MT_TXD_SIZE + skb->len, 4);
2875 tlv = mt7996_mcu_add_uni_tlv(rskb, UNI_BSS_INFO_OFFLOAD, len);
2876
2877 discov = (struct bss_inband_discovery_tlv *)tlv;
2878 discov->tx_mode = OFFLOAD_TX_MODE_SU;
2879 /* 0: UNSOL PROBE RESP, 1: FILS DISCOV */
2880 discov->tx_type = !!(changed & BSS_CHANGED_FILS_DISCOVERY);
2881 discov->tx_interval = interval;
2882 discov->prob_rsp_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
2883 discov->enable = true;
2884 discov->wcid = cpu_to_le16(MT7996_WTBL_RESERVED);
2885
2886 buf = (u8 *)tlv + sizeof(*discov);
2887
2888 mt7996_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, NULL, 0, 0, changed);
2889
2890 memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
2891
2892 dev_kfree_skb(skb);
2893
2894 return mt76_mcu_skb_send_msg(&dev->mt76, rskb,
2895 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
2896 }
2897
mt7996_driver_own(struct mt7996_dev * dev,u8 band)2898 static int mt7996_driver_own(struct mt7996_dev *dev, u8 band)
2899 {
2900 mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(band), MT_TOP_LPCR_HOST_DRV_OWN);
2901 if (!mt76_poll_msec(dev, MT_TOP_LPCR_HOST_BAND(band),
2902 MT_TOP_LPCR_HOST_FW_OWN_STAT, 0, 500)) {
2903 dev_err(dev->mt76.dev, "Timeout for driver own\n");
2904 return -EIO;
2905 }
2906
2907 /* clear irq when the driver own success */
2908 mt76_wr(dev, MT_TOP_LPCR_HOST_BAND_IRQ_STAT(band),
2909 MT_TOP_LPCR_HOST_BAND_STAT);
2910
2911 return 0;
2912 }
2913
mt7996_patch_sec_mode(u32 key_info)2914 static u32 mt7996_patch_sec_mode(u32 key_info)
2915 {
2916 u32 sec = u32_get_bits(key_info, MT7996_PATCH_SEC), key = 0;
2917
2918 if (key_info == GENMASK(31, 0) || sec == MT7996_SEC_MODE_PLAIN)
2919 return 0;
2920
2921 if (sec == MT7996_SEC_MODE_AES)
2922 key = u32_get_bits(key_info, MT7996_PATCH_AES_KEY);
2923 else
2924 key = u32_get_bits(key_info, MT7996_PATCH_SCRAMBLE_KEY);
2925
2926 return MT7996_SEC_ENCRYPT | MT7996_SEC_IV |
2927 u32_encode_bits(key, MT7996_SEC_KEY_IDX);
2928 }
2929
mt7996_load_patch(struct mt7996_dev * dev)2930 static int mt7996_load_patch(struct mt7996_dev *dev)
2931 {
2932 const struct mt7996_patch_hdr *hdr;
2933 const struct firmware *fw = NULL;
2934 int i, ret, sem;
2935
2936 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, 1);
2937 switch (sem) {
2938 case PATCH_IS_DL:
2939 return 0;
2940 case PATCH_NOT_DL_SEM_SUCCESS:
2941 break;
2942 default:
2943 dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");
2944 return -EAGAIN;
2945 }
2946
2947 ret = request_firmware(&fw, fw_name(dev, ROM_PATCH), dev->mt76.dev);
2948 if (ret)
2949 goto out;
2950
2951 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
2952 dev_err(dev->mt76.dev, "Invalid firmware\n");
2953 ret = -EINVAL;
2954 goto out;
2955 }
2956
2957 hdr = (const struct mt7996_patch_hdr *)(fw->data);
2958
2959 dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
2960 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
2961
2962 for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) {
2963 struct mt7996_patch_sec *sec;
2964 const u8 *dl;
2965 u32 len, addr, sec_key_idx, mode = DL_MODE_NEED_RSP;
2966
2967 sec = (struct mt7996_patch_sec *)(fw->data + sizeof(*hdr) +
2968 i * sizeof(*sec));
2969 if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) !=
2970 PATCH_SEC_TYPE_INFO) {
2971 ret = -EINVAL;
2972 goto out;
2973 }
2974
2975 addr = be32_to_cpu(sec->info.addr);
2976 len = be32_to_cpu(sec->info.len);
2977 sec_key_idx = be32_to_cpu(sec->info.sec_key_idx);
2978 dl = fw->data + be32_to_cpu(sec->offs);
2979
2980 mode |= mt7996_patch_sec_mode(sec_key_idx);
2981
2982 ret = mt76_connac_mcu_init_download(&dev->mt76, addr, len,
2983 mode);
2984 if (ret) {
2985 dev_err(dev->mt76.dev, "Download request failed\n");
2986 goto out;
2987 }
2988
2989 ret = __mt76_mcu_send_firmware(&dev->mt76, MCU_CMD(FW_SCATTER),
2990 dl, len, 4096);
2991 if (ret) {
2992 dev_err(dev->mt76.dev, "Failed to send patch\n");
2993 goto out;
2994 }
2995 }
2996
2997 ret = mt76_connac_mcu_start_patch(&dev->mt76);
2998 if (ret)
2999 dev_err(dev->mt76.dev, "Failed to start patch\n");
3000
3001 out:
3002 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, 0);
3003 switch (sem) {
3004 case PATCH_REL_SEM_SUCCESS:
3005 break;
3006 default:
3007 ret = -EAGAIN;
3008 dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
3009 break;
3010 }
3011 release_firmware(fw);
3012
3013 return ret;
3014 }
3015
3016 static int
mt7996_mcu_send_ram_firmware(struct mt7996_dev * dev,const struct mt7996_fw_trailer * hdr,const u8 * data,enum mt7996_ram_type type)3017 mt7996_mcu_send_ram_firmware(struct mt7996_dev *dev,
3018 const struct mt7996_fw_trailer *hdr,
3019 const u8 *data, enum mt7996_ram_type type)
3020 {
3021 int i, offset = 0;
3022 u32 override = 0, option = 0;
3023
3024 for (i = 0; i < hdr->n_region; i++) {
3025 const struct mt7996_fw_region *region;
3026 int err;
3027 u32 len, addr, mode;
3028
3029 region = (const struct mt7996_fw_region *)((const u8 *)hdr -
3030 (hdr->n_region - i) * sizeof(*region));
3031 /* DSP and WA use same mode */
3032 mode = mt76_connac_mcu_gen_dl_mode(&dev->mt76,
3033 region->feature_set,
3034 type != MT7996_RAM_TYPE_WM);
3035 len = le32_to_cpu(region->len);
3036 addr = le32_to_cpu(region->addr);
3037
3038 if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR)
3039 override = addr;
3040
3041 err = mt76_connac_mcu_init_download(&dev->mt76, addr, len,
3042 mode);
3043 if (err) {
3044 dev_err(dev->mt76.dev, "Download request failed\n");
3045 return err;
3046 }
3047
3048 err = __mt76_mcu_send_firmware(&dev->mt76, MCU_CMD(FW_SCATTER),
3049 data + offset, len, 4096);
3050 if (err) {
3051 dev_err(dev->mt76.dev, "Failed to send firmware.\n");
3052 return err;
3053 }
3054
3055 offset += len;
3056 }
3057
3058 if (override)
3059 option |= FW_START_OVERRIDE;
3060
3061 if (type == MT7996_RAM_TYPE_WA)
3062 option |= FW_START_WORKING_PDA_CR4;
3063 else if (type == MT7996_RAM_TYPE_DSP)
3064 option |= FW_START_WORKING_PDA_DSP;
3065
3066 return mt76_connac_mcu_start_firmware(&dev->mt76, override, option);
3067 }
3068
__mt7996_load_ram(struct mt7996_dev * dev,const char * fw_type,const char * fw_file,enum mt7996_ram_type ram_type)3069 static int __mt7996_load_ram(struct mt7996_dev *dev, const char *fw_type,
3070 const char *fw_file, enum mt7996_ram_type ram_type)
3071 {
3072 const struct mt7996_fw_trailer *hdr;
3073 const struct firmware *fw;
3074 int ret;
3075
3076 ret = request_firmware(&fw, fw_file, dev->mt76.dev);
3077 if (ret)
3078 return ret;
3079
3080 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
3081 dev_err(dev->mt76.dev, "Invalid firmware\n");
3082 ret = -EINVAL;
3083 goto out;
3084 }
3085
3086 hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
3087 dev_info(dev->mt76.dev, "%s Firmware Version: %.10s, Build Time: %.15s\n",
3088 fw_type, hdr->fw_ver, hdr->build_date);
3089
3090 ret = mt7996_mcu_send_ram_firmware(dev, hdr, fw->data, ram_type);
3091 if (ret) {
3092 dev_err(dev->mt76.dev, "Failed to start %s firmware\n", fw_type);
3093 goto out;
3094 }
3095
3096 snprintf(dev->mt76.hw->wiphy->fw_version,
3097 sizeof(dev->mt76.hw->wiphy->fw_version),
3098 "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
3099
3100 out:
3101 release_firmware(fw);
3102
3103 return ret;
3104 }
3105
mt7996_load_ram(struct mt7996_dev * dev)3106 static int mt7996_load_ram(struct mt7996_dev *dev)
3107 {
3108 int ret;
3109
3110 ret = __mt7996_load_ram(dev, "WM", fw_name(dev, FIRMWARE_WM),
3111 MT7996_RAM_TYPE_WM);
3112 if (ret)
3113 return ret;
3114
3115 if (!mt7996_has_wa(dev))
3116 return 0;
3117
3118 ret = __mt7996_load_ram(dev, "DSP", fw_name(dev, FIRMWARE_DSP),
3119 MT7996_RAM_TYPE_DSP);
3120 if (ret)
3121 return ret;
3122
3123 return __mt7996_load_ram(dev, "WA", fw_name(dev, FIRMWARE_WA),
3124 MT7996_RAM_TYPE_WA);
3125 }
3126
3127 static int
mt7996_firmware_state(struct mt7996_dev * dev,u8 fw_state)3128 mt7996_firmware_state(struct mt7996_dev *dev, u8 fw_state)
3129 {
3130 u32 state = FIELD_PREP(MT_TOP_MISC_FW_STATE, fw_state);
3131
3132 if (!mt76_poll_msec(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE,
3133 state, 1000)) {
3134 dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
3135 return -EIO;
3136 }
3137 return 0;
3138 }
3139
3140 static int
mt7996_mcu_restart(struct mt76_dev * dev)3141 mt7996_mcu_restart(struct mt76_dev *dev)
3142 {
3143 struct {
3144 u8 __rsv1[4];
3145
3146 __le16 tag;
3147 __le16 len;
3148 u8 power_mode;
3149 u8 __rsv2[3];
3150 } __packed req = {
3151 .tag = cpu_to_le16(UNI_POWER_OFF),
3152 .len = cpu_to_le16(sizeof(req) - 4),
3153 .power_mode = 1,
3154 };
3155
3156 return mt76_mcu_send_msg(dev, MCU_WM_UNI_CMD(POWER_CTRL), &req,
3157 sizeof(req), false);
3158 }
3159
mt7996_load_firmware(struct mt7996_dev * dev)3160 static int mt7996_load_firmware(struct mt7996_dev *dev)
3161 {
3162 u8 fw_state;
3163 int ret;
3164
3165 /* make sure fw is download state */
3166 if (mt7996_firmware_state(dev, FW_STATE_FW_DOWNLOAD)) {
3167 /* restart firmware once */
3168 mt7996_mcu_restart(&dev->mt76);
3169 ret = mt7996_firmware_state(dev, FW_STATE_FW_DOWNLOAD);
3170 if (ret) {
3171 dev_err(dev->mt76.dev,
3172 "Firmware is not ready for download\n");
3173 return ret;
3174 }
3175 }
3176
3177 ret = mt7996_load_patch(dev);
3178 if (ret)
3179 return ret;
3180
3181 ret = mt7996_load_ram(dev);
3182 if (ret)
3183 return ret;
3184
3185 fw_state = mt7996_has_wa(dev) ? FW_STATE_RDY : FW_STATE_NORMAL_TRX;
3186 ret = mt7996_firmware_state(dev, fw_state);
3187 if (ret)
3188 return ret;
3189
3190 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
3191
3192 dev_dbg(dev->mt76.dev, "Firmware init done\n");
3193
3194 return 0;
3195 }
3196
mt7996_mcu_fw_log_2_host(struct mt7996_dev * dev,u8 type,u8 ctrl)3197 int mt7996_mcu_fw_log_2_host(struct mt7996_dev *dev, u8 type, u8 ctrl)
3198 {
3199 struct {
3200 u8 _rsv[4];
3201
3202 __le16 tag;
3203 __le16 len;
3204 u8 ctrl;
3205 u8 interval;
3206 u8 _rsv2[2];
3207 } __packed data = {
3208 .tag = cpu_to_le16(UNI_WSYS_CONFIG_FW_LOG_CTRL),
3209 .len = cpu_to_le16(sizeof(data) - 4),
3210 .ctrl = ctrl,
3211 };
3212
3213 if (type == MCU_FW_LOG_WA)
3214 return mt76_mcu_send_msg(&dev->mt76, MCU_WA_UNI_CMD(WSYS_CONFIG),
3215 &data, sizeof(data), true);
3216
3217 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(WSYS_CONFIG), &data,
3218 sizeof(data), true);
3219 }
3220
mt7996_mcu_fw_dbg_ctrl(struct mt7996_dev * dev,u32 module,u8 level)3221 int mt7996_mcu_fw_dbg_ctrl(struct mt7996_dev *dev, u32 module, u8 level)
3222 {
3223 struct {
3224 u8 _rsv[4];
3225
3226 __le16 tag;
3227 __le16 len;
3228 __le32 module_idx;
3229 u8 level;
3230 u8 _rsv2[3];
3231 } data = {
3232 .tag = cpu_to_le16(UNI_WSYS_CONFIG_FW_DBG_CTRL),
3233 .len = cpu_to_le16(sizeof(data) - 4),
3234 .module_idx = cpu_to_le32(module),
3235 .level = level,
3236 };
3237
3238 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(WSYS_CONFIG), &data,
3239 sizeof(data), false);
3240 }
3241
mt7996_mcu_set_mwds(struct mt7996_dev * dev,bool enabled)3242 static int mt7996_mcu_set_mwds(struct mt7996_dev *dev, bool enabled)
3243 {
3244 struct {
3245 u8 enable;
3246 u8 _rsv[3];
3247 } __packed req = {
3248 .enable = enabled
3249 };
3250
3251 return mt76_mcu_send_msg(&dev->mt76, MCU_WA_EXT_CMD(MWDS_SUPPORT), &req,
3252 sizeof(req), false);
3253 }
3254
mt7996_add_rx_airtime_tlv(struct sk_buff * skb,u8 band_idx)3255 static void mt7996_add_rx_airtime_tlv(struct sk_buff *skb, u8 band_idx)
3256 {
3257 struct vow_rx_airtime *req;
3258 struct tlv *tlv;
3259
3260 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_VOW_RX_AT_AIRTIME_CLR_EN, sizeof(*req));
3261 req = (struct vow_rx_airtime *)tlv;
3262 req->enable = true;
3263 req->band = band_idx;
3264
3265 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_VOW_RX_AT_AIRTIME_EN, sizeof(*req));
3266 req = (struct vow_rx_airtime *)tlv;
3267 req->enable = true;
3268 req->band = band_idx;
3269 }
3270
3271 static int
mt7996_mcu_init_rx_airtime(struct mt7996_dev * dev)3272 mt7996_mcu_init_rx_airtime(struct mt7996_dev *dev)
3273 {
3274 struct uni_header hdr = {};
3275 struct sk_buff *skb;
3276 int len, num, i;
3277
3278 num = 2 + 2 * (mt7996_band_valid(dev, MT_BAND1) +
3279 mt7996_band_valid(dev, MT_BAND2));
3280 len = sizeof(hdr) + num * sizeof(struct vow_rx_airtime);
3281 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
3282 if (!skb)
3283 return -ENOMEM;
3284
3285 skb_put_data(skb, &hdr, sizeof(hdr));
3286
3287 for (i = 0; i < __MT_MAX_BAND; i++) {
3288 if (mt7996_band_valid(dev, i))
3289 mt7996_add_rx_airtime_tlv(skb, i);
3290 }
3291
3292 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
3293 MCU_WM_UNI_CMD(VOW), true);
3294 }
3295
mt7996_mcu_init_firmware(struct mt7996_dev * dev)3296 int mt7996_mcu_init_firmware(struct mt7996_dev *dev)
3297 {
3298 int ret;
3299
3300 /* force firmware operation mode into normal state,
3301 * which should be set before firmware download stage.
3302 */
3303 mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
3304
3305 ret = mt7996_driver_own(dev, 0);
3306 if (ret)
3307 return ret;
3308 /* set driver own for band1 when two hif exist */
3309 if (dev->hif2) {
3310 ret = mt7996_driver_own(dev, 1);
3311 if (ret)
3312 return ret;
3313 }
3314
3315 ret = mt7996_load_firmware(dev);
3316 if (ret)
3317 return ret;
3318
3319 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
3320 ret = mt7996_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, 0);
3321 if (ret)
3322 return ret;
3323
3324 if (mt7996_has_wa(dev)) {
3325 ret = mt7996_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, 0);
3326 if (ret)
3327 return ret;
3328
3329 ret = mt7996_mcu_set_mwds(dev, 1);
3330 if (ret)
3331 return ret;
3332 }
3333
3334 ret = mt7996_mcu_init_rx_airtime(dev);
3335 if (ret)
3336 return ret;
3337
3338 return mt7996_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
3339 MCU_WA_PARAM_RED, 0, 0);
3340 }
3341
mt7996_mcu_init(struct mt7996_dev * dev)3342 int mt7996_mcu_init(struct mt7996_dev *dev)
3343 {
3344 static const struct mt76_mcu_ops mt7996_mcu_ops = {
3345 .headroom = sizeof(struct mt76_connac2_mcu_txd), /* reuse */
3346 .mcu_skb_send_msg = mt7996_mcu_send_message,
3347 .mcu_parse_response = mt7996_mcu_parse_response,
3348 };
3349
3350 dev->mt76.mcu_ops = &mt7996_mcu_ops;
3351
3352 return mt7996_mcu_init_firmware(dev);
3353 }
3354
mt7996_mcu_exit(struct mt7996_dev * dev)3355 void mt7996_mcu_exit(struct mt7996_dev *dev)
3356 {
3357 mt7996_mcu_restart(&dev->mt76);
3358 if (mt7996_firmware_state(dev, FW_STATE_FW_DOWNLOAD)) {
3359 dev_err(dev->mt76.dev, "Failed to exit mcu\n");
3360 goto out;
3361 }
3362
3363 mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(0), MT_TOP_LPCR_HOST_FW_OWN);
3364 if (dev->hif2)
3365 mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(1),
3366 MT_TOP_LPCR_HOST_FW_OWN);
3367 out:
3368 skb_queue_purge(&dev->mt76.mcu.res_q);
3369 }
3370
mt7996_mcu_set_hdr_trans(struct mt7996_dev * dev,bool hdr_trans)3371 int mt7996_mcu_set_hdr_trans(struct mt7996_dev *dev, bool hdr_trans)
3372 {
3373 struct {
3374 u8 __rsv[4];
3375 } __packed hdr;
3376 struct hdr_trans_blacklist *req_blacklist;
3377 struct hdr_trans_en *req_en;
3378 struct sk_buff *skb;
3379 struct tlv *tlv;
3380 int len = MT7996_HDR_TRANS_MAX_SIZE + sizeof(hdr);
3381
3382 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
3383 if (!skb)
3384 return -ENOMEM;
3385
3386 skb_put_data(skb, &hdr, sizeof(hdr));
3387
3388 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_HDR_TRANS_EN, sizeof(*req_en));
3389 req_en = (struct hdr_trans_en *)tlv;
3390 req_en->enable = hdr_trans;
3391
3392 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_HDR_TRANS_VLAN,
3393 sizeof(struct hdr_trans_vlan));
3394
3395 if (hdr_trans) {
3396 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_HDR_TRANS_BLACKLIST,
3397 sizeof(*req_blacklist));
3398 req_blacklist = (struct hdr_trans_blacklist *)tlv;
3399 req_blacklist->enable = 1;
3400 req_blacklist->type = cpu_to_le16(ETH_P_PAE);
3401 }
3402
3403 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
3404 MCU_WM_UNI_CMD(RX_HDR_TRANS), true);
3405 }
3406
mt7996_mcu_set_tx(struct mt7996_dev * dev,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)3407 int mt7996_mcu_set_tx(struct mt7996_dev *dev, struct ieee80211_vif *vif,
3408 struct ieee80211_bss_conf *link_conf)
3409 {
3410 #define MCU_EDCA_AC_PARAM 0
3411 #define WMM_AIFS_SET BIT(0)
3412 #define WMM_CW_MIN_SET BIT(1)
3413 #define WMM_CW_MAX_SET BIT(2)
3414 #define WMM_TXOP_SET BIT(3)
3415 #define WMM_PARAM_SET (WMM_AIFS_SET | WMM_CW_MIN_SET | \
3416 WMM_CW_MAX_SET | WMM_TXOP_SET)
3417 struct mt7996_vif_link *link = mt7996_vif_conf_link(dev, vif, link_conf);
3418 struct {
3419 u8 bss_idx;
3420 u8 __rsv[3];
3421 } __packed hdr = {
3422 .bss_idx = link->mt76.idx,
3423 };
3424 struct sk_buff *skb;
3425 int len = sizeof(hdr) + IEEE80211_NUM_ACS * sizeof(struct edca);
3426 int ac;
3427
3428 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
3429 if (!skb)
3430 return -ENOMEM;
3431
3432 skb_put_data(skb, &hdr, sizeof(hdr));
3433
3434 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3435 struct ieee80211_tx_queue_params *q = &link->queue_params[ac];
3436 struct edca *e;
3437 struct tlv *tlv;
3438
3439 tlv = mt7996_mcu_add_uni_tlv(skb, MCU_EDCA_AC_PARAM, sizeof(*e));
3440
3441 e = (struct edca *)tlv;
3442 e->set = WMM_PARAM_SET;
3443 e->queue = ac;
3444 e->aifs = q->aifs;
3445 e->txop = cpu_to_le16(q->txop);
3446
3447 if (q->cw_min)
3448 e->cw_min = fls(q->cw_min);
3449 else
3450 e->cw_min = 5;
3451
3452 if (q->cw_max)
3453 e->cw_max = fls(q->cw_max);
3454 else
3455 e->cw_max = 10;
3456 }
3457
3458 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
3459 MCU_WM_UNI_CMD(EDCA_UPDATE), true);
3460 }
3461
mt7996_mcu_set_fcc5_lpn(struct mt7996_dev * dev,int val)3462 int mt7996_mcu_set_fcc5_lpn(struct mt7996_dev *dev, int val)
3463 {
3464 struct {
3465 u8 _rsv[4];
3466
3467 __le16 tag;
3468 __le16 len;
3469
3470 __le32 ctrl;
3471 __le16 min_lpn;
3472 u8 rsv[2];
3473 } __packed req = {
3474 .tag = cpu_to_le16(UNI_RDD_CTRL_SET_TH),
3475 .len = cpu_to_le16(sizeof(req) - 4),
3476
3477 .ctrl = cpu_to_le32(0x1),
3478 .min_lpn = cpu_to_le16(val),
3479 };
3480
3481 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL),
3482 &req, sizeof(req), true);
3483 }
3484
mt7996_mcu_set_pulse_th(struct mt7996_dev * dev,const struct mt7996_dfs_pulse * pulse)3485 int mt7996_mcu_set_pulse_th(struct mt7996_dev *dev,
3486 const struct mt7996_dfs_pulse *pulse)
3487 {
3488 struct {
3489 u8 _rsv[4];
3490
3491 __le16 tag;
3492 __le16 len;
3493
3494 __le32 ctrl;
3495
3496 __le32 max_width; /* us */
3497 __le32 max_pwr; /* dbm */
3498 __le32 min_pwr; /* dbm */
3499 __le32 min_stgr_pri; /* us */
3500 __le32 max_stgr_pri; /* us */
3501 __le32 min_cr_pri; /* us */
3502 __le32 max_cr_pri; /* us */
3503 } __packed req = {
3504 .tag = cpu_to_le16(UNI_RDD_CTRL_SET_TH),
3505 .len = cpu_to_le16(sizeof(req) - 4),
3506
3507 .ctrl = cpu_to_le32(0x3),
3508
3509 #define __req_field(field) .field = cpu_to_le32(pulse->field)
3510 __req_field(max_width),
3511 __req_field(max_pwr),
3512 __req_field(min_pwr),
3513 __req_field(min_stgr_pri),
3514 __req_field(max_stgr_pri),
3515 __req_field(min_cr_pri),
3516 __req_field(max_cr_pri),
3517 #undef __req_field
3518 };
3519
3520 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL),
3521 &req, sizeof(req), true);
3522 }
3523
mt7996_mcu_set_radar_th(struct mt7996_dev * dev,int index,const struct mt7996_dfs_pattern * pattern)3524 int mt7996_mcu_set_radar_th(struct mt7996_dev *dev, int index,
3525 const struct mt7996_dfs_pattern *pattern)
3526 {
3527 struct {
3528 u8 _rsv[4];
3529
3530 __le16 tag;
3531 __le16 len;
3532
3533 __le32 ctrl;
3534 __le16 radar_type;
3535
3536 u8 enb;
3537 u8 stgr;
3538 u8 min_crpn;
3539 u8 max_crpn;
3540 u8 min_crpr;
3541 u8 min_pw;
3542 __le32 min_pri;
3543 __le32 max_pri;
3544 u8 max_pw;
3545 u8 min_crbn;
3546 u8 max_crbn;
3547 u8 min_stgpn;
3548 u8 max_stgpn;
3549 u8 min_stgpr;
3550 u8 rsv[2];
3551 __le32 min_stgpr_diff;
3552 } __packed req = {
3553 .tag = cpu_to_le16(UNI_RDD_CTRL_SET_TH),
3554 .len = cpu_to_le16(sizeof(req) - 4),
3555
3556 .ctrl = cpu_to_le32(0x2),
3557 .radar_type = cpu_to_le16(index),
3558
3559 #define __req_field_u8(field) .field = pattern->field
3560 #define __req_field_u32(field) .field = cpu_to_le32(pattern->field)
3561 __req_field_u8(enb),
3562 __req_field_u8(stgr),
3563 __req_field_u8(min_crpn),
3564 __req_field_u8(max_crpn),
3565 __req_field_u8(min_crpr),
3566 __req_field_u8(min_pw),
3567 __req_field_u32(min_pri),
3568 __req_field_u32(max_pri),
3569 __req_field_u8(max_pw),
3570 __req_field_u8(min_crbn),
3571 __req_field_u8(max_crbn),
3572 __req_field_u8(min_stgpn),
3573 __req_field_u8(max_stgpn),
3574 __req_field_u8(min_stgpr),
3575 __req_field_u32(min_stgpr_diff),
3576 #undef __req_field_u8
3577 #undef __req_field_u32
3578 };
3579
3580 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL),
3581 &req, sizeof(req), true);
3582 }
3583
3584 static int
mt7996_mcu_background_chain_ctrl(struct mt7996_phy * phy,struct cfg80211_chan_def * chandef,int cmd)3585 mt7996_mcu_background_chain_ctrl(struct mt7996_phy *phy,
3586 struct cfg80211_chan_def *chandef,
3587 int cmd)
3588 {
3589 struct mt7996_dev *dev = phy->dev;
3590 struct mt76_phy *mphy = phy->mt76;
3591 struct ieee80211_channel *chan = mphy->chandef.chan;
3592 int freq = mphy->chandef.center_freq1;
3593 struct mt7996_mcu_background_chain_ctrl req = {
3594 .tag = cpu_to_le16(0),
3595 .len = cpu_to_le16(sizeof(req) - 4),
3596 .monitor_scan_type = 2, /* simple rx */
3597 };
3598
3599 if (!chandef && cmd != CH_SWITCH_BACKGROUND_SCAN_STOP)
3600 return -EINVAL;
3601
3602 if (!cfg80211_chandef_valid(&mphy->chandef))
3603 return -EINVAL;
3604
3605 switch (cmd) {
3606 case CH_SWITCH_BACKGROUND_SCAN_START: {
3607 req.chan = chan->hw_value;
3608 req.central_chan = ieee80211_frequency_to_channel(freq);
3609 req.bw = mt76_connac_chan_bw(&mphy->chandef);
3610 req.monitor_chan = chandef->chan->hw_value;
3611 req.monitor_central_chan =
3612 ieee80211_frequency_to_channel(chandef->center_freq1);
3613 req.monitor_bw = mt76_connac_chan_bw(chandef);
3614 req.band_idx = phy->mt76->band_idx;
3615 req.scan_mode = 1;
3616 break;
3617 }
3618 case CH_SWITCH_BACKGROUND_SCAN_RUNNING:
3619 req.monitor_chan = chandef->chan->hw_value;
3620 req.monitor_central_chan =
3621 ieee80211_frequency_to_channel(chandef->center_freq1);
3622 req.band_idx = phy->mt76->band_idx;
3623 req.scan_mode = 2;
3624 break;
3625 case CH_SWITCH_BACKGROUND_SCAN_STOP:
3626 req.chan = chan->hw_value;
3627 req.central_chan = ieee80211_frequency_to_channel(freq);
3628 req.bw = mt76_connac_chan_bw(&mphy->chandef);
3629 req.tx_stream = hweight8(mphy->antenna_mask);
3630 req.rx_stream = mphy->antenna_mask;
3631 break;
3632 default:
3633 return -EINVAL;
3634 }
3635 req.band = chandef ? chandef->chan->band == NL80211_BAND_5GHZ : 1;
3636
3637 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(OFFCH_SCAN_CTRL),
3638 &req, sizeof(req), false);
3639 }
3640
mt7996_mcu_rdd_background_enable(struct mt7996_phy * phy,struct cfg80211_chan_def * chandef)3641 int mt7996_mcu_rdd_background_enable(struct mt7996_phy *phy,
3642 struct cfg80211_chan_def *chandef)
3643 {
3644 struct mt7996_dev *dev = phy->dev;
3645 int err, region, rdd_idx = mt7996_get_rdd_idx(phy, true);
3646
3647 if (!chandef) { /* disable offchain */
3648 err = mt7996_mcu_rdd_cmd(dev, RDD_STOP, rdd_idx, 0);
3649 if (err)
3650 return err;
3651
3652 return mt7996_mcu_background_chain_ctrl(phy, NULL,
3653 CH_SWITCH_BACKGROUND_SCAN_STOP);
3654 }
3655
3656 err = mt7996_mcu_background_chain_ctrl(phy, chandef,
3657 CH_SWITCH_BACKGROUND_SCAN_START);
3658 if (err)
3659 return err;
3660
3661 switch (dev->mt76.region) {
3662 case NL80211_DFS_ETSI:
3663 region = 0;
3664 break;
3665 case NL80211_DFS_JP:
3666 region = 2;
3667 break;
3668 case NL80211_DFS_FCC:
3669 default:
3670 region = 1;
3671 break;
3672 }
3673
3674 return mt7996_mcu_rdd_cmd(dev, RDD_START, rdd_idx, region);
3675 }
3676
mt7996_mcu_set_chan_info(struct mt7996_phy * phy,u16 tag)3677 int mt7996_mcu_set_chan_info(struct mt7996_phy *phy, u16 tag)
3678 {
3679 static const u8 ch_band[] = {
3680 [NL80211_BAND_2GHZ] = 0,
3681 [NL80211_BAND_5GHZ] = 1,
3682 [NL80211_BAND_6GHZ] = 2,
3683 };
3684 struct mt7996_dev *dev = phy->dev;
3685 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
3686 int freq1 = chandef->center_freq1;
3687 u8 band_idx = phy->mt76->band_idx;
3688 struct {
3689 /* fixed field */
3690 u8 __rsv[4];
3691
3692 __le16 tag;
3693 __le16 len;
3694 u8 control_ch;
3695 u8 center_ch;
3696 u8 bw;
3697 u8 tx_path_num;
3698 u8 rx_path; /* mask or num */
3699 u8 switch_reason;
3700 u8 band_idx;
3701 u8 center_ch2; /* for 80+80 only */
3702 __le16 cac_case;
3703 u8 channel_band;
3704 u8 rsv0;
3705 __le32 outband_freq;
3706 u8 txpower_drop;
3707 u8 ap_bw;
3708 u8 ap_center_ch;
3709 u8 rsv1[53];
3710 } __packed req = {
3711 .tag = cpu_to_le16(tag),
3712 .len = cpu_to_le16(sizeof(req) - 4),
3713 .control_ch = chandef->chan->hw_value,
3714 .center_ch = ieee80211_frequency_to_channel(freq1),
3715 .bw = mt76_connac_chan_bw(chandef),
3716 .tx_path_num = hweight16(phy->mt76->chainmask),
3717 .rx_path = mt7996_rx_chainmask(phy) >> dev->chainshift[band_idx],
3718 .band_idx = band_idx,
3719 .channel_band = ch_band[chandef->chan->band],
3720 };
3721
3722 if (phy->mt76->hw->conf.flags & IEEE80211_CONF_MONITOR)
3723 req.switch_reason = CH_SWITCH_NORMAL;
3724 else if (phy->mt76->offchannel ||
3725 phy->mt76->hw->conf.flags & IEEE80211_CONF_IDLE)
3726 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
3727 else if (!cfg80211_reg_can_beacon(phy->mt76->hw->wiphy, chandef,
3728 NL80211_IFTYPE_AP))
3729 req.switch_reason = CH_SWITCH_DFS;
3730 else
3731 req.switch_reason = CH_SWITCH_NORMAL;
3732
3733 if (tag == UNI_CHANNEL_SWITCH)
3734 req.rx_path = hweight8(req.rx_path);
3735
3736 if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
3737 int freq2 = chandef->center_freq2;
3738
3739 req.center_ch2 = ieee80211_frequency_to_channel(freq2);
3740 }
3741
3742 return mt76_mcu_send_msg(&dev->mt76, MCU_WMWA_UNI_CMD(CHANNEL_SWITCH),
3743 &req, sizeof(req), true);
3744 }
3745
mt7996_mcu_set_eeprom_flash(struct mt7996_dev * dev)3746 static int mt7996_mcu_set_eeprom_flash(struct mt7996_dev *dev)
3747 {
3748 #define MAX_PAGE_IDX_MASK GENMASK(7, 5)
3749 #define PAGE_IDX_MASK GENMASK(4, 2)
3750 #define PER_PAGE_SIZE 0x400
3751 struct mt7996_mcu_eeprom req = {
3752 .tag = cpu_to_le16(UNI_EFUSE_BUFFER_MODE),
3753 .buffer_mode = EE_MODE_BUFFER
3754 };
3755 u16 eeprom_size = MT7996_EEPROM_SIZE;
3756 u8 total = DIV_ROUND_UP(eeprom_size, PER_PAGE_SIZE);
3757 u8 *eep = (u8 *)dev->mt76.eeprom.data;
3758 int eep_len, i;
3759
3760 for (i = 0; i < total; i++, eep += eep_len) {
3761 struct sk_buff *skb;
3762 int ret, msg_len;
3763
3764 if (i == total - 1 && !!(eeprom_size % PER_PAGE_SIZE))
3765 eep_len = eeprom_size % PER_PAGE_SIZE;
3766 else
3767 eep_len = PER_PAGE_SIZE;
3768
3769 msg_len = sizeof(req) + eep_len;
3770 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, msg_len);
3771 if (!skb)
3772 return -ENOMEM;
3773
3774 req.len = cpu_to_le16(msg_len - 4);
3775 req.format = FIELD_PREP(MAX_PAGE_IDX_MASK, total - 1) |
3776 FIELD_PREP(PAGE_IDX_MASK, i) | EE_FORMAT_WHOLE;
3777 req.buf_len = cpu_to_le16(eep_len);
3778
3779 skb_put_data(skb, &req, sizeof(req));
3780 skb_put_data(skb, eep, eep_len);
3781
3782 ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
3783 MCU_WM_UNI_CMD(EFUSE_CTRL), true);
3784 if (ret)
3785 return ret;
3786 }
3787
3788 return 0;
3789 }
3790
mt7996_mcu_set_eeprom(struct mt7996_dev * dev)3791 int mt7996_mcu_set_eeprom(struct mt7996_dev *dev)
3792 {
3793 struct mt7996_mcu_eeprom req = {
3794 .tag = cpu_to_le16(UNI_EFUSE_BUFFER_MODE),
3795 .len = cpu_to_le16(sizeof(req) - 4),
3796 .buffer_mode = EE_MODE_EFUSE,
3797 .format = EE_FORMAT_WHOLE
3798 };
3799
3800 if (dev->flash_mode)
3801 return mt7996_mcu_set_eeprom_flash(dev);
3802
3803 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(EFUSE_CTRL),
3804 &req, sizeof(req), true);
3805 }
3806
mt7996_mcu_get_eeprom(struct mt7996_dev * dev,u32 offset,u8 * buf,u32 buf_len)3807 int mt7996_mcu_get_eeprom(struct mt7996_dev *dev, u32 offset, u8 *buf, u32 buf_len)
3808 {
3809 struct {
3810 u8 _rsv[4];
3811
3812 __le16 tag;
3813 __le16 len;
3814 __le32 addr;
3815 __le32 valid;
3816 u8 data[16];
3817 } __packed req = {
3818 .tag = cpu_to_le16(UNI_EFUSE_ACCESS),
3819 .len = cpu_to_le16(sizeof(req) - 4),
3820 .addr = cpu_to_le32(round_down(offset,
3821 MT7996_EEPROM_BLOCK_SIZE)),
3822 };
3823 struct sk_buff *skb;
3824 bool valid;
3825 int ret;
3826
3827 ret = mt76_mcu_send_and_get_msg(&dev->mt76,
3828 MCU_WM_UNI_CMD_QUERY(EFUSE_CTRL),
3829 &req, sizeof(req), true, &skb);
3830 if (ret)
3831 return ret;
3832
3833 valid = le32_to_cpu(*(__le32 *)(skb->data + 16));
3834 if (valid) {
3835 u32 addr = le32_to_cpu(*(__le32 *)(skb->data + 12));
3836
3837 if (!buf)
3838 buf = (u8 *)dev->mt76.eeprom.data + addr;
3839 if (!buf_len || buf_len > MT7996_EEPROM_BLOCK_SIZE)
3840 buf_len = MT7996_EEPROM_BLOCK_SIZE;
3841
3842 skb_pull(skb, 48);
3843 memcpy(buf, skb->data, buf_len);
3844 } else {
3845 ret = -EINVAL;
3846 }
3847
3848 dev_kfree_skb(skb);
3849
3850 return ret;
3851 }
3852
mt7996_mcu_get_eeprom_free_block(struct mt7996_dev * dev,u8 * block_num)3853 int mt7996_mcu_get_eeprom_free_block(struct mt7996_dev *dev, u8 *block_num)
3854 {
3855 struct {
3856 u8 _rsv[4];
3857
3858 __le16 tag;
3859 __le16 len;
3860 u8 num;
3861 u8 version;
3862 u8 die_idx;
3863 u8 _rsv2;
3864 } __packed req = {
3865 .tag = cpu_to_le16(UNI_EFUSE_FREE_BLOCK),
3866 .len = cpu_to_le16(sizeof(req) - 4),
3867 .version = 2,
3868 };
3869 struct sk_buff *skb;
3870 int ret;
3871
3872 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_WM_UNI_CMD_QUERY(EFUSE_CTRL), &req,
3873 sizeof(req), true, &skb);
3874 if (ret)
3875 return ret;
3876
3877 *block_num = *(u8 *)(skb->data + 8);
3878 dev_kfree_skb(skb);
3879
3880 return 0;
3881 }
3882
mt7996_mcu_get_chip_config(struct mt7996_dev * dev,u32 * cap)3883 int mt7996_mcu_get_chip_config(struct mt7996_dev *dev, u32 *cap)
3884 {
3885 #define NIC_CAP 3
3886 #define UNI_EVENT_CHIP_CONFIG_EFUSE_VERSION 0x21
3887 struct {
3888 u8 _rsv[4];
3889
3890 __le16 tag;
3891 __le16 len;
3892 } __packed req = {
3893 .tag = cpu_to_le16(NIC_CAP),
3894 .len = cpu_to_le16(sizeof(req) - 4),
3895 };
3896 struct sk_buff *skb;
3897 u8 *buf;
3898 int ret;
3899
3900 ret = mt76_mcu_send_and_get_msg(&dev->mt76,
3901 MCU_WM_UNI_CMD_QUERY(CHIP_CONFIG), &req,
3902 sizeof(req), true, &skb);
3903 if (ret)
3904 return ret;
3905
3906 /* fixed field */
3907 skb_pull(skb, 4);
3908
3909 buf = skb->data;
3910 while (buf - skb->data < skb->len) {
3911 struct tlv *tlv = (struct tlv *)buf;
3912
3913 switch (le16_to_cpu(tlv->tag)) {
3914 case UNI_EVENT_CHIP_CONFIG_EFUSE_VERSION:
3915 *cap = le32_to_cpu(*(__le32 *)(buf + sizeof(*tlv)));
3916 break;
3917 default:
3918 break;
3919 }
3920
3921 buf += le16_to_cpu(tlv->len);
3922 }
3923
3924 dev_kfree_skb(skb);
3925
3926 return 0;
3927 }
3928
mt7996_mcu_get_chan_mib_info(struct mt7996_phy * phy,bool chan_switch)3929 int mt7996_mcu_get_chan_mib_info(struct mt7996_phy *phy, bool chan_switch)
3930 {
3931 enum {
3932 IDX_TX_TIME,
3933 IDX_RX_TIME,
3934 IDX_OBSS_AIRTIME,
3935 IDX_NON_WIFI_TIME,
3936 IDX_NUM
3937 };
3938 struct {
3939 struct {
3940 u8 band;
3941 u8 __rsv[3];
3942 } hdr;
3943 struct {
3944 __le16 tag;
3945 __le16 len;
3946 __le32 offs;
3947 } data[IDX_NUM];
3948 } __packed req = {
3949 .hdr.band = phy->mt76->band_idx,
3950 };
3951 static const u32 offs[] = {
3952 [IDX_TX_TIME] = UNI_MIB_TX_TIME,
3953 [IDX_RX_TIME] = UNI_MIB_RX_TIME,
3954 [IDX_OBSS_AIRTIME] = UNI_MIB_OBSS_AIRTIME,
3955 [IDX_NON_WIFI_TIME] = UNI_MIB_NON_WIFI_TIME,
3956 };
3957 struct mt76_channel_state *state = phy->mt76->chan_state;
3958 struct mt76_channel_state *state_ts = &phy->state_ts;
3959 struct mt7996_dev *dev = phy->dev;
3960 struct mt7996_mcu_mib *res;
3961 struct sk_buff *skb;
3962 int i, ret;
3963
3964 for (i = 0; i < IDX_NUM; i++) {
3965 req.data[i].tag = cpu_to_le16(UNI_CMD_MIB_DATA);
3966 req.data[i].len = cpu_to_le16(sizeof(req.data[i]));
3967 req.data[i].offs = cpu_to_le32(offs[i]);
3968 }
3969
3970 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_WM_UNI_CMD_QUERY(GET_MIB_INFO),
3971 &req, sizeof(req), true, &skb);
3972 if (ret)
3973 return ret;
3974
3975 skb_pull(skb, sizeof(req.hdr));
3976
3977 res = (struct mt7996_mcu_mib *)(skb->data);
3978
3979 if (chan_switch)
3980 goto out;
3981
3982 #define __res_u64(s) le64_to_cpu(res[s].data)
3983 state->cc_tx += __res_u64(IDX_TX_TIME) - state_ts->cc_tx;
3984 state->cc_bss_rx += __res_u64(IDX_RX_TIME) - state_ts->cc_bss_rx;
3985 state->cc_rx += __res_u64(IDX_RX_TIME) +
3986 __res_u64(IDX_OBSS_AIRTIME) -
3987 state_ts->cc_rx;
3988 state->cc_busy += __res_u64(IDX_TX_TIME) +
3989 __res_u64(IDX_RX_TIME) +
3990 __res_u64(IDX_OBSS_AIRTIME) +
3991 __res_u64(IDX_NON_WIFI_TIME) -
3992 state_ts->cc_busy;
3993 out:
3994 state_ts->cc_tx = __res_u64(IDX_TX_TIME);
3995 state_ts->cc_bss_rx = __res_u64(IDX_RX_TIME);
3996 state_ts->cc_rx = __res_u64(IDX_RX_TIME) + __res_u64(IDX_OBSS_AIRTIME);
3997 state_ts->cc_busy = __res_u64(IDX_TX_TIME) +
3998 __res_u64(IDX_RX_TIME) +
3999 __res_u64(IDX_OBSS_AIRTIME) +
4000 __res_u64(IDX_NON_WIFI_TIME);
4001 #undef __res_u64
4002
4003 dev_kfree_skb(skb);
4004
4005 return 0;
4006 }
4007
mt7996_mcu_get_temperature(struct mt7996_phy * phy)4008 int mt7996_mcu_get_temperature(struct mt7996_phy *phy)
4009 {
4010 #define TEMPERATURE_QUERY 0
4011 #define GET_TEMPERATURE 0
4012 struct {
4013 u8 _rsv[4];
4014
4015 __le16 tag;
4016 __le16 len;
4017
4018 u8 rsv1;
4019 u8 action;
4020 u8 band_idx;
4021 u8 rsv2;
4022 } req = {
4023 .tag = cpu_to_le16(TEMPERATURE_QUERY),
4024 .len = cpu_to_le16(sizeof(req) - 4),
4025 .action = GET_TEMPERATURE,
4026 .band_idx = phy->mt76->band_idx,
4027 };
4028 struct mt7996_mcu_thermal {
4029 u8 _rsv[4];
4030
4031 __le16 tag;
4032 __le16 len;
4033
4034 __le32 rsv;
4035 __le32 temperature;
4036 } __packed * res;
4037 struct sk_buff *skb;
4038 int ret;
4039 u32 temp;
4040
4041 ret = mt76_mcu_send_and_get_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
4042 &req, sizeof(req), true, &skb);
4043 if (ret)
4044 return ret;
4045
4046 res = (void *)skb->data;
4047 temp = le32_to_cpu(res->temperature);
4048 dev_kfree_skb(skb);
4049
4050 return temp;
4051 }
4052
mt7996_mcu_set_thermal_throttling(struct mt7996_phy * phy,u8 state)4053 int mt7996_mcu_set_thermal_throttling(struct mt7996_phy *phy, u8 state)
4054 {
4055 struct {
4056 u8 _rsv[4];
4057
4058 __le16 tag;
4059 __le16 len;
4060
4061 struct mt7996_mcu_thermal_ctrl ctrl;
4062 } __packed req = {
4063 .tag = cpu_to_le16(UNI_CMD_THERMAL_PROTECT_DUTY_CONFIG),
4064 .len = cpu_to_le16(sizeof(req) - 4),
4065 .ctrl = {
4066 .band_idx = phy->mt76->band_idx,
4067 },
4068 };
4069 int level, ret;
4070
4071 /* set duty cycle and level */
4072 for (level = 0; level < 4; level++) {
4073 req.ctrl.duty.duty_level = level;
4074 req.ctrl.duty.duty_cycle = state;
4075 state /= 2;
4076
4077 ret = mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
4078 &req, sizeof(req), false);
4079 if (ret)
4080 return ret;
4081 }
4082
4083 return 0;
4084 }
4085
mt7996_mcu_set_thermal_protect(struct mt7996_phy * phy,bool enable)4086 int mt7996_mcu_set_thermal_protect(struct mt7996_phy *phy, bool enable)
4087 {
4088 #define SUSTAIN_PERIOD 10
4089 struct {
4090 u8 _rsv[4];
4091
4092 __le16 tag;
4093 __le16 len;
4094
4095 struct mt7996_mcu_thermal_ctrl ctrl;
4096 struct mt7996_mcu_thermal_enable enable;
4097 } __packed req = {
4098 .len = cpu_to_le16(sizeof(req) - 4 - sizeof(req.enable)),
4099 .ctrl = {
4100 .band_idx = phy->mt76->band_idx,
4101 .type.protect_type = 1,
4102 .type.trigger_type = 1,
4103 },
4104 };
4105 int ret;
4106
4107 req.tag = cpu_to_le16(UNI_CMD_THERMAL_PROTECT_DISABLE);
4108
4109 ret = mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
4110 &req, sizeof(req) - sizeof(req.enable), false);
4111 if (ret || !enable)
4112 return ret;
4113
4114 /* set high-temperature trigger threshold */
4115 req.tag = cpu_to_le16(UNI_CMD_THERMAL_PROTECT_ENABLE);
4116 req.enable.restore_temp = cpu_to_le32(phy->throttle_temp[0]);
4117 req.enable.trigger_temp = cpu_to_le32(phy->throttle_temp[1]);
4118 req.enable.sustain_time = cpu_to_le16(SUSTAIN_PERIOD);
4119
4120 req.len = cpu_to_le16(sizeof(req) - 4);
4121
4122 return mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
4123 &req, sizeof(req), false);
4124 }
4125
mt7996_mcu_set_ser(struct mt7996_dev * dev,u8 action,u8 val,u8 band)4126 int mt7996_mcu_set_ser(struct mt7996_dev *dev, u8 action, u8 val, u8 band)
4127 {
4128 struct {
4129 u8 rsv[4];
4130
4131 __le16 tag;
4132 __le16 len;
4133
4134 union {
4135 struct {
4136 __le32 mask;
4137 } __packed set;
4138
4139 struct {
4140 u8 method;
4141 u8 band;
4142 u8 rsv2[2];
4143 } __packed trigger;
4144 };
4145 } __packed req = {
4146 .tag = cpu_to_le16(action),
4147 .len = cpu_to_le16(sizeof(req) - 4),
4148 };
4149
4150 switch (action) {
4151 case UNI_CMD_SER_SET:
4152 req.set.mask = cpu_to_le32(val);
4153 break;
4154 case UNI_CMD_SER_TRIGGER:
4155 req.trigger.method = val;
4156 req.trigger.band = band;
4157 break;
4158 default:
4159 return -EINVAL;
4160 }
4161
4162 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SER),
4163 &req, sizeof(req), false);
4164 }
4165
mt7996_mcu_set_txbf(struct mt7996_dev * dev,u8 action)4166 int mt7996_mcu_set_txbf(struct mt7996_dev *dev, u8 action)
4167 {
4168 #define MT7996_BF_MAX_SIZE sizeof(union bf_tag_tlv)
4169 #define BF_PROCESSING 4
4170 struct uni_header hdr;
4171 struct sk_buff *skb;
4172 struct tlv *tlv;
4173 int len = sizeof(hdr) + MT7996_BF_MAX_SIZE;
4174
4175 memset(&hdr, 0, sizeof(hdr));
4176
4177 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
4178 if (!skb)
4179 return -ENOMEM;
4180
4181 skb_put_data(skb, &hdr, sizeof(hdr));
4182
4183 switch (action) {
4184 case BF_SOUNDING_ON: {
4185 struct bf_sounding_on *req_snd_on;
4186
4187 tlv = mt7996_mcu_add_uni_tlv(skb, action, sizeof(*req_snd_on));
4188 req_snd_on = (struct bf_sounding_on *)tlv;
4189 req_snd_on->snd_mode = BF_PROCESSING;
4190 break;
4191 }
4192 case BF_HW_EN_UPDATE: {
4193 struct bf_hw_en_status_update *req_hw_en;
4194
4195 tlv = mt7996_mcu_add_uni_tlv(skb, action, sizeof(*req_hw_en));
4196 req_hw_en = (struct bf_hw_en_status_update *)tlv;
4197 req_hw_en->ebf = true;
4198 req_hw_en->ibf = dev->ibf;
4199 break;
4200 }
4201 case BF_MOD_EN_CTRL: {
4202 struct bf_mod_en_ctrl *req_mod_en;
4203
4204 tlv = mt7996_mcu_add_uni_tlv(skb, action, sizeof(*req_mod_en));
4205 req_mod_en = (struct bf_mod_en_ctrl *)tlv;
4206 req_mod_en->bf_num = mt7996_band_valid(dev, MT_BAND2) ? 3 : 2;
4207 req_mod_en->bf_bitmap = mt7996_band_valid(dev, MT_BAND2) ?
4208 GENMASK(2, 0) : GENMASK(1, 0);
4209 break;
4210 }
4211 default:
4212 return -EINVAL;
4213 }
4214
4215 return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WM_UNI_CMD(BF), true);
4216 }
4217
4218 static int
mt7996_mcu_enable_obss_spr(struct mt7996_phy * phy,u16 action,u8 val)4219 mt7996_mcu_enable_obss_spr(struct mt7996_phy *phy, u16 action, u8 val)
4220 {
4221 struct mt7996_dev *dev = phy->dev;
4222 struct {
4223 u8 band_idx;
4224 u8 __rsv[3];
4225
4226 __le16 tag;
4227 __le16 len;
4228
4229 __le32 val;
4230 } __packed req = {
4231 .band_idx = phy->mt76->band_idx,
4232 .tag = cpu_to_le16(action),
4233 .len = cpu_to_le16(sizeof(req) - 4),
4234 .val = cpu_to_le32(val),
4235 };
4236
4237 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR),
4238 &req, sizeof(req), true);
4239 }
4240
4241 static int
mt7996_mcu_set_obss_spr_pd(struct mt7996_phy * phy,struct ieee80211_he_obss_pd * he_obss_pd)4242 mt7996_mcu_set_obss_spr_pd(struct mt7996_phy *phy,
4243 struct ieee80211_he_obss_pd *he_obss_pd)
4244 {
4245 struct mt7996_dev *dev = phy->dev;
4246 u8 max_th = 82, non_srg_max_th = 62;
4247 struct {
4248 u8 band_idx;
4249 u8 __rsv[3];
4250
4251 __le16 tag;
4252 __le16 len;
4253
4254 u8 pd_th_non_srg;
4255 u8 pd_th_srg;
4256 u8 period_offs;
4257 u8 rcpi_src;
4258 __le16 obss_pd_min;
4259 __le16 obss_pd_min_srg;
4260 u8 resp_txpwr_mode;
4261 u8 txpwr_restrict_mode;
4262 u8 txpwr_ref;
4263 u8 __rsv2[3];
4264 } __packed req = {
4265 .band_idx = phy->mt76->band_idx,
4266 .tag = cpu_to_le16(UNI_CMD_SR_SET_PARAM),
4267 .len = cpu_to_le16(sizeof(req) - 4),
4268 .obss_pd_min = cpu_to_le16(max_th),
4269 .obss_pd_min_srg = cpu_to_le16(max_th),
4270 .txpwr_restrict_mode = 2,
4271 .txpwr_ref = 21
4272 };
4273 int ret;
4274
4275 /* disable firmware dynamical PD asjustment */
4276 ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_DPD, false);
4277 if (ret)
4278 return ret;
4279
4280 if (he_obss_pd->sr_ctrl &
4281 IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED)
4282 req.pd_th_non_srg = max_th;
4283 else if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
4284 req.pd_th_non_srg = max_th - he_obss_pd->non_srg_max_offset;
4285 else
4286 req.pd_th_non_srg = non_srg_max_th;
4287
4288 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
4289 req.pd_th_srg = max_th - he_obss_pd->max_offset;
4290
4291 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR),
4292 &req, sizeof(req), true);
4293 }
4294
4295 static int
mt7996_mcu_set_obss_spr_siga(struct mt7996_phy * phy,struct mt7996_vif_link * link,struct ieee80211_he_obss_pd * he_obss_pd)4296 mt7996_mcu_set_obss_spr_siga(struct mt7996_phy *phy,
4297 struct mt7996_vif_link *link,
4298 struct ieee80211_he_obss_pd *he_obss_pd)
4299 {
4300 struct mt7996_dev *dev = phy->dev;
4301 u8 omac = link->mt76.omac_idx;
4302 struct {
4303 u8 band_idx;
4304 u8 __rsv[3];
4305
4306 __le16 tag;
4307 __le16 len;
4308
4309 u8 omac;
4310 u8 __rsv2[3];
4311 u8 flag[20];
4312 } __packed req = {
4313 .band_idx = phy->mt76->band_idx,
4314 .tag = cpu_to_le16(UNI_CMD_SR_SET_SIGA),
4315 .len = cpu_to_le16(sizeof(req) - 4),
4316 .omac = omac > HW_BSSID_MAX ? omac - 12 : omac,
4317 };
4318 int ret;
4319
4320 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED)
4321 req.flag[req.omac] = 0xf;
4322 else
4323 return 0;
4324
4325 /* switch to normal AP mode */
4326 ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_MODE, 0);
4327 if (ret)
4328 return ret;
4329
4330 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR),
4331 &req, sizeof(req), true);
4332 }
4333
4334 static int
mt7996_mcu_set_obss_spr_bitmap(struct mt7996_phy * phy,struct ieee80211_he_obss_pd * he_obss_pd)4335 mt7996_mcu_set_obss_spr_bitmap(struct mt7996_phy *phy,
4336 struct ieee80211_he_obss_pd *he_obss_pd)
4337 {
4338 struct mt7996_dev *dev = phy->dev;
4339 struct {
4340 u8 band_idx;
4341 u8 __rsv[3];
4342
4343 __le16 tag;
4344 __le16 len;
4345
4346 __le32 color_l[2];
4347 __le32 color_h[2];
4348 __le32 bssid_l[2];
4349 __le32 bssid_h[2];
4350 } __packed req = {
4351 .band_idx = phy->mt76->band_idx,
4352 .tag = cpu_to_le16(UNI_CMD_SR_SET_SRG_BITMAP),
4353 .len = cpu_to_le16(sizeof(req) - 4),
4354 };
4355 u32 bitmap;
4356
4357 memcpy(&bitmap, he_obss_pd->bss_color_bitmap, sizeof(bitmap));
4358 req.color_l[req.band_idx] = cpu_to_le32(bitmap);
4359
4360 memcpy(&bitmap, he_obss_pd->bss_color_bitmap + 4, sizeof(bitmap));
4361 req.color_h[req.band_idx] = cpu_to_le32(bitmap);
4362
4363 memcpy(&bitmap, he_obss_pd->partial_bssid_bitmap, sizeof(bitmap));
4364 req.bssid_l[req.band_idx] = cpu_to_le32(bitmap);
4365
4366 memcpy(&bitmap, he_obss_pd->partial_bssid_bitmap + 4, sizeof(bitmap));
4367 req.bssid_h[req.band_idx] = cpu_to_le32(bitmap);
4368
4369 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR), &req,
4370 sizeof(req), true);
4371 }
4372
mt7996_mcu_add_obss_spr(struct mt7996_phy * phy,struct mt7996_vif_link * link,struct ieee80211_he_obss_pd * he_obss_pd)4373 int mt7996_mcu_add_obss_spr(struct mt7996_phy *phy,
4374 struct mt7996_vif_link *link,
4375 struct ieee80211_he_obss_pd *he_obss_pd)
4376 {
4377 int ret;
4378
4379 /* enable firmware scene detection algorithms */
4380 ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_SD,
4381 sr_scene_detect);
4382 if (ret)
4383 return ret;
4384
4385 /* firmware dynamically adjusts PD threshold so skip manual control */
4386 if (sr_scene_detect && !he_obss_pd->enable)
4387 return 0;
4388
4389 /* enable spatial reuse */
4390 ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE,
4391 he_obss_pd->enable);
4392 if (ret)
4393 return ret;
4394
4395 if (sr_scene_detect || !he_obss_pd->enable)
4396 return 0;
4397
4398 ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_TX, true);
4399 if (ret)
4400 return ret;
4401
4402 /* set SRG/non-SRG OBSS PD threshold */
4403 ret = mt7996_mcu_set_obss_spr_pd(phy, he_obss_pd);
4404 if (ret)
4405 return ret;
4406
4407 /* Set SR prohibit */
4408 ret = mt7996_mcu_set_obss_spr_siga(phy, link, he_obss_pd);
4409 if (ret)
4410 return ret;
4411
4412 /* set SRG BSS color/BSSID bitmap */
4413 return mt7996_mcu_set_obss_spr_bitmap(phy, he_obss_pd);
4414 }
4415
mt7996_mcu_update_bss_color(struct mt7996_dev * dev,struct mt76_vif_link * mlink,struct cfg80211_he_bss_color * he_bss_color)4416 int mt7996_mcu_update_bss_color(struct mt7996_dev *dev,
4417 struct mt76_vif_link *mlink,
4418 struct cfg80211_he_bss_color *he_bss_color)
4419 {
4420 int len = sizeof(struct bss_req_hdr) + sizeof(struct bss_color_tlv);
4421 struct bss_color_tlv *bss_color;
4422 struct sk_buff *skb;
4423 struct tlv *tlv;
4424
4425 skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, mlink, len);
4426 if (IS_ERR(skb))
4427 return PTR_ERR(skb);
4428
4429 tlv = mt76_connac_mcu_add_tlv(skb, UNI_BSS_INFO_BSS_COLOR,
4430 sizeof(*bss_color));
4431 bss_color = (struct bss_color_tlv *)tlv;
4432 bss_color->enable = he_bss_color->enabled;
4433 bss_color->color = he_bss_color->color;
4434
4435 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
4436 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
4437 }
4438
4439 #define TWT_AGRT_TRIGGER BIT(0)
4440 #define TWT_AGRT_ANNOUNCE BIT(1)
4441 #define TWT_AGRT_PROTECT BIT(2)
4442
mt7996_mcu_twt_agrt_update(struct mt7996_dev * dev,struct mt7996_vif_link * link,struct mt7996_twt_flow * flow,int cmd)4443 int mt7996_mcu_twt_agrt_update(struct mt7996_dev *dev,
4444 struct mt7996_vif_link *link,
4445 struct mt7996_twt_flow *flow,
4446 int cmd)
4447 {
4448 struct {
4449 /* fixed field */
4450 u8 bss;
4451 u8 _rsv[3];
4452
4453 __le16 tag;
4454 __le16 len;
4455 u8 tbl_idx;
4456 u8 cmd;
4457 u8 own_mac_idx;
4458 u8 flowid; /* 0xff for group id */
4459 __le16 peer_id; /* specify the peer_id (msb=0)
4460 * or group_id (msb=1)
4461 */
4462 u8 duration; /* 256 us */
4463 u8 bss_idx;
4464 __le64 start_tsf;
4465 __le16 mantissa;
4466 u8 exponent;
4467 u8 is_ap;
4468 u8 agrt_params;
4469 u8 __rsv2[23];
4470 } __packed req = {
4471 .tag = cpu_to_le16(UNI_CMD_TWT_ARGT_UPDATE),
4472 .len = cpu_to_le16(sizeof(req) - 4),
4473 .tbl_idx = flow->table_id,
4474 .cmd = cmd,
4475 .own_mac_idx = link->mt76.omac_idx,
4476 .flowid = flow->id,
4477 .peer_id = cpu_to_le16(flow->wcid),
4478 .duration = flow->duration,
4479 .bss = link->mt76.idx,
4480 .bss_idx = link->mt76.idx,
4481 .start_tsf = cpu_to_le64(flow->tsf),
4482 .mantissa = flow->mantissa,
4483 .exponent = flow->exp,
4484 .is_ap = true,
4485 };
4486
4487 if (flow->protection)
4488 req.agrt_params |= TWT_AGRT_PROTECT;
4489 if (!flow->flowtype)
4490 req.agrt_params |= TWT_AGRT_ANNOUNCE;
4491 if (flow->trigger)
4492 req.agrt_params |= TWT_AGRT_TRIGGER;
4493
4494 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(TWT),
4495 &req, sizeof(req), true);
4496 }
4497
mt7996_mcu_set_rts_thresh(struct mt7996_phy * phy,u32 val)4498 int mt7996_mcu_set_rts_thresh(struct mt7996_phy *phy, u32 val)
4499 {
4500 struct {
4501 u8 band_idx;
4502 u8 _rsv[3];
4503
4504 __le16 tag;
4505 __le16 len;
4506 __le32 len_thresh;
4507 __le32 pkt_thresh;
4508 } __packed req = {
4509 .band_idx = phy->mt76->band_idx,
4510 .tag = cpu_to_le16(UNI_BAND_CONFIG_RTS_THRESHOLD),
4511 .len = cpu_to_le16(sizeof(req) - 4),
4512 .len_thresh = cpu_to_le32(val),
4513 .pkt_thresh = cpu_to_le32(0x2),
4514 };
4515
4516 return mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(BAND_CONFIG),
4517 &req, sizeof(req), true);
4518 }
4519
mt7996_mcu_set_radio_en(struct mt7996_phy * phy,bool enable)4520 int mt7996_mcu_set_radio_en(struct mt7996_phy *phy, bool enable)
4521 {
4522 struct {
4523 u8 band_idx;
4524 u8 _rsv[3];
4525
4526 __le16 tag;
4527 __le16 len;
4528 u8 enable;
4529 u8 _rsv2[3];
4530 } __packed req = {
4531 .band_idx = phy->mt76->band_idx,
4532 .tag = cpu_to_le16(UNI_BAND_CONFIG_RADIO_ENABLE),
4533 .len = cpu_to_le16(sizeof(req) - 4),
4534 .enable = enable,
4535 };
4536
4537 return mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(BAND_CONFIG),
4538 &req, sizeof(req), true);
4539 }
4540
mt7996_mcu_rdd_cmd(struct mt7996_dev * dev,int cmd,u8 rdd_idx,u8 val)4541 int mt7996_mcu_rdd_cmd(struct mt7996_dev *dev, int cmd, u8 rdd_idx, u8 val)
4542 {
4543 struct {
4544 u8 _rsv[4];
4545
4546 __le16 tag;
4547 __le16 len;
4548
4549 u8 ctrl;
4550 u8 rdd_idx;
4551 u8 rdd_rx_sel;
4552 u8 val;
4553 u8 rsv[4];
4554 } __packed req = {
4555 .tag = cpu_to_le16(UNI_RDD_CTRL_PARM),
4556 .len = cpu_to_le16(sizeof(req) - 4),
4557 .ctrl = cmd,
4558 .rdd_idx = rdd_idx,
4559 .val = val,
4560 };
4561
4562 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL),
4563 &req, sizeof(req), true);
4564 }
4565
mt7996_mcu_wtbl_update_hdr_trans(struct mt7996_dev * dev,struct ieee80211_vif * vif,struct mt7996_vif_link * link,struct mt7996_sta_link * msta_link)4566 int mt7996_mcu_wtbl_update_hdr_trans(struct mt7996_dev *dev,
4567 struct ieee80211_vif *vif,
4568 struct mt7996_vif_link *link,
4569 struct mt7996_sta_link *msta_link)
4570 {
4571 struct sk_buff *skb;
4572
4573 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76,
4574 &msta_link->wcid,
4575 MT7996_STA_UPDATE_MAX_SIZE);
4576 if (IS_ERR(skb))
4577 return PTR_ERR(skb);
4578
4579 /* starec hdr trans */
4580 mt7996_mcu_sta_hdr_trans_tlv(dev, skb, vif, &msta_link->wcid);
4581 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
4582 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
4583 }
4584
mt7996_mcu_set_fixed_rate_table(struct mt7996_phy * phy,u8 table_idx,u16 rate_idx,bool beacon)4585 int mt7996_mcu_set_fixed_rate_table(struct mt7996_phy *phy, u8 table_idx,
4586 u16 rate_idx, bool beacon)
4587 {
4588 #define UNI_FIXED_RATE_TABLE_SET 0
4589 #define SPE_IXD_SELECT_TXD 0
4590 #define SPE_IXD_SELECT_BMC_WTBL 1
4591 struct mt7996_dev *dev = phy->dev;
4592 struct fixed_rate_table_ctrl req = {
4593 .tag = cpu_to_le16(UNI_FIXED_RATE_TABLE_SET),
4594 .len = cpu_to_le16(sizeof(req) - 4),
4595 .table_idx = table_idx,
4596 .rate_idx = cpu_to_le16(rate_idx),
4597 .gi = 1,
4598 .he_ltf = 1,
4599 };
4600 u8 band_idx = phy->mt76->band_idx;
4601
4602 if (beacon) {
4603 req.spe_idx_sel = SPE_IXD_SELECT_TXD;
4604 req.spe_idx = 24 + band_idx;
4605 phy->beacon_rate = rate_idx;
4606 } else {
4607 req.spe_idx_sel = SPE_IXD_SELECT_BMC_WTBL;
4608 }
4609
4610 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(FIXED_RATE_TABLE),
4611 &req, sizeof(req), false);
4612 }
4613
mt7996_mcu_rf_regval(struct mt7996_dev * dev,u32 regidx,u32 * val,bool set)4614 int mt7996_mcu_rf_regval(struct mt7996_dev *dev, u32 regidx, u32 *val, bool set)
4615 {
4616 struct {
4617 u8 __rsv1[4];
4618
4619 __le16 tag;
4620 __le16 len;
4621 __le16 idx;
4622 u8 __rsv2[2];
4623 __le32 ofs;
4624 __le32 data;
4625 } __packed *res, req = {
4626 .tag = cpu_to_le16(UNI_CMD_ACCESS_RF_REG_BASIC),
4627 .len = cpu_to_le16(sizeof(req) - 4),
4628
4629 .idx = cpu_to_le16(u32_get_bits(regidx, GENMASK(31, 24))),
4630 .ofs = cpu_to_le32(u32_get_bits(regidx, GENMASK(23, 0))),
4631 .data = set ? cpu_to_le32(*val) : 0,
4632 };
4633 struct sk_buff *skb;
4634 int ret;
4635
4636 if (set)
4637 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(REG_ACCESS),
4638 &req, sizeof(req), true);
4639
4640 ret = mt76_mcu_send_and_get_msg(&dev->mt76,
4641 MCU_WM_UNI_CMD_QUERY(REG_ACCESS),
4642 &req, sizeof(req), true, &skb);
4643 if (ret)
4644 return ret;
4645
4646 res = (void *)skb->data;
4647 *val = le32_to_cpu(res->data);
4648 dev_kfree_skb(skb);
4649
4650 return 0;
4651 }
4652
mt7996_mcu_trigger_assert(struct mt7996_dev * dev)4653 int mt7996_mcu_trigger_assert(struct mt7996_dev *dev)
4654 {
4655 struct {
4656 __le16 tag;
4657 __le16 len;
4658 u8 enable;
4659 u8 rsv[3];
4660 } __packed req = {
4661 .len = cpu_to_le16(sizeof(req) - 4),
4662 .enable = true,
4663 };
4664
4665 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(ASSERT_DUMP),
4666 &req, sizeof(req), false);
4667 }
4668
mt7996_mcu_set_rro(struct mt7996_dev * dev,u16 tag,u16 val)4669 int mt7996_mcu_set_rro(struct mt7996_dev *dev, u16 tag, u16 val)
4670 {
4671 struct {
4672 u8 __rsv1[4];
4673 __le16 tag;
4674 __le16 len;
4675 union {
4676 struct {
4677 u8 type;
4678 u8 __rsv2[3];
4679 } __packed platform_type;
4680 struct {
4681 u8 type;
4682 u8 dest;
4683 u8 __rsv2[2];
4684 } __packed bypass_mode;
4685 struct {
4686 u8 path;
4687 u8 __rsv2[3];
4688 } __packed txfree_path;
4689 struct {
4690 __le16 flush_one;
4691 __le16 flush_all;
4692 u8 __rsv2[4];
4693 } __packed timeout;
4694 };
4695 } __packed req = {
4696 .tag = cpu_to_le16(tag),
4697 .len = cpu_to_le16(sizeof(req) - 4),
4698 };
4699
4700 switch (tag) {
4701 case UNI_RRO_SET_PLATFORM_TYPE:
4702 req.platform_type.type = val;
4703 break;
4704 case UNI_RRO_SET_BYPASS_MODE:
4705 req.bypass_mode.type = val;
4706 break;
4707 case UNI_RRO_SET_TXFREE_PATH:
4708 req.txfree_path.path = val;
4709 break;
4710 case UNI_RRO_SET_FLUSH_TIMEOUT:
4711 req.timeout.flush_one = cpu_to_le16(val);
4712 req.timeout.flush_all = cpu_to_le16(2 * val);
4713 break;
4714 default:
4715 return -EINVAL;
4716 }
4717
4718 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RRO), &req,
4719 sizeof(req), true);
4720 }
4721
mt7996_mcu_get_all_sta_info(struct mt7996_phy * phy,u16 tag)4722 int mt7996_mcu_get_all_sta_info(struct mt7996_phy *phy, u16 tag)
4723 {
4724 struct mt7996_dev *dev = phy->dev;
4725 struct {
4726 u8 _rsv[4];
4727
4728 __le16 tag;
4729 __le16 len;
4730 } __packed req = {
4731 .tag = cpu_to_le16(tag),
4732 .len = cpu_to_le16(sizeof(req) - 4),
4733 };
4734
4735 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(ALL_STA_INFO),
4736 &req, sizeof(req), false);
4737 }
4738
mt7996_mcu_wed_rro_reset_sessions(struct mt7996_dev * dev,u16 id)4739 int mt7996_mcu_wed_rro_reset_sessions(struct mt7996_dev *dev, u16 id)
4740 {
4741 struct {
4742 u8 __rsv[4];
4743
4744 __le16 tag;
4745 __le16 len;
4746 __le16 session_id;
4747 u8 pad[4];
4748 } __packed req = {
4749 .tag = cpu_to_le16(UNI_RRO_DEL_BA_SESSION),
4750 .len = cpu_to_le16(sizeof(req) - 4),
4751 .session_id = cpu_to_le16(id),
4752 };
4753
4754 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RRO), &req,
4755 sizeof(req), true);
4756 }
4757
mt7996_mcu_set_sniffer_mode(struct mt7996_phy * phy,bool enabled)4758 int mt7996_mcu_set_sniffer_mode(struct mt7996_phy *phy, bool enabled)
4759 {
4760 struct mt7996_dev *dev = phy->dev;
4761 struct {
4762 u8 band_idx;
4763 u8 _rsv[3];
4764 __le16 tag;
4765 __le16 len;
4766 u8 enable;
4767 u8 _pad[3];
4768 } __packed req = {
4769 .band_idx = phy->mt76->band_idx,
4770 .tag = 0,
4771 .len = cpu_to_le16(sizeof(req) - 4),
4772 .enable = enabled,
4773 };
4774
4775 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SNIFFER), &req,
4776 sizeof(req), true);
4777 }
4778
mt7996_mcu_set_txpower_sku(struct mt7996_phy * phy)4779 int mt7996_mcu_set_txpower_sku(struct mt7996_phy *phy)
4780 {
4781 #define TX_POWER_LIMIT_TABLE_RATE 0
4782 struct mt7996_dev *dev = phy->dev;
4783 struct mt76_phy *mphy = phy->mt76;
4784 struct tx_power_limit_table_ctrl {
4785 u8 __rsv1[4];
4786
4787 __le16 tag;
4788 __le16 len;
4789 u8 power_ctrl_id;
4790 u8 power_limit_type;
4791 u8 band_idx;
4792 } __packed req = {
4793 .tag = cpu_to_le16(UNI_TXPOWER_POWER_LIMIT_TABLE_CTRL),
4794 .len = cpu_to_le16(sizeof(req) + MT7996_SKU_PATH_NUM - 4),
4795 .power_ctrl_id = UNI_TXPOWER_POWER_LIMIT_TABLE_CTRL,
4796 .power_limit_type = TX_POWER_LIMIT_TABLE_RATE,
4797 .band_idx = phy->mt76->band_idx,
4798 };
4799 struct mt76_power_limits la = {};
4800 struct sk_buff *skb;
4801 int i, tx_power;
4802
4803 tx_power = mt76_get_power_bound(mphy, phy->txpower);
4804 tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan,
4805 &la, tx_power);
4806 mphy->txpower_cur = tx_power;
4807
4808 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
4809 sizeof(req) + MT7996_SKU_PATH_NUM);
4810 if (!skb)
4811 return -ENOMEM;
4812
4813 skb_put_data(skb, &req, sizeof(req));
4814 /* cck and ofdm */
4815 skb_put_data(skb, &la.cck, sizeof(la.cck));
4816 skb_put_data(skb, &la.ofdm, sizeof(la.ofdm));
4817 /* ht20 */
4818 skb_put_data(skb, &la.mcs[0], 8);
4819 /* ht40 */
4820 skb_put_data(skb, &la.mcs[1], 9);
4821
4822 /* vht */
4823 for (i = 0; i < 4; i++) {
4824 skb_put_data(skb, &la.mcs[i], sizeof(la.mcs[i]));
4825 skb_put_zero(skb, 2); /* padding */
4826 }
4827
4828 /* he */
4829 skb_put_data(skb, &la.ru[0], sizeof(la.ru));
4830 /* eht */
4831 skb_put_data(skb, &la.eht[0], sizeof(la.eht));
4832
4833 /* padding */
4834 skb_put_zero(skb, MT7996_SKU_PATH_NUM - MT7996_SKU_RATE_NUM);
4835
4836 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
4837 MCU_WM_UNI_CMD(TXPOWER), true);
4838 }
4839
mt7996_mcu_cp_support(struct mt7996_dev * dev,u8 mode)4840 int mt7996_mcu_cp_support(struct mt7996_dev *dev, u8 mode)
4841 {
4842 __le32 cp_mode;
4843
4844 if (mode < mt76_connac_lmac_mapping(IEEE80211_AC_BE) ||
4845 mode > mt76_connac_lmac_mapping(IEEE80211_AC_VO))
4846 return -EINVAL;
4847
4848 if (!mt7996_has_wa(dev)) {
4849 struct {
4850 u8 _rsv[4];
4851
4852 __le16 tag;
4853 __le16 len;
4854 u8 cp_mode;
4855 u8 rsv[3];
4856 } __packed req = {
4857 .tag = cpu_to_le16(UNI_CMD_SDO_CP_MODE),
4858 .len = cpu_to_le16(sizeof(req) - 4),
4859 .cp_mode = mode,
4860 };
4861
4862 return mt76_mcu_send_msg(&dev->mt76, MCU_WA_UNI_CMD(SDO),
4863 &req, sizeof(req), false);
4864 }
4865
4866 cp_mode = cpu_to_le32(mode);
4867
4868 return mt76_mcu_send_msg(&dev->mt76, MCU_WA_EXT_CMD(CP_SUPPORT),
4869 &cp_mode, sizeof(cp_mode), true);
4870 }
4871