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 void
mt7996_mcu_set_timeout(struct mt76_dev * mdev,int cmd)246 mt7996_mcu_set_timeout(struct mt76_dev *mdev, int cmd)
247 {
248 mdev->mcu.timeout = 5 * HZ;
249
250 if (!(cmd & __MCU_CMD_FIELD_UNI))
251 return;
252
253 switch (FIELD_GET(__MCU_CMD_FIELD_ID, cmd)) {
254 case MCU_UNI_CMD_THERMAL:
255 case MCU_UNI_CMD_TWT:
256 case MCU_UNI_CMD_GET_MIB_INFO:
257 case MCU_UNI_CMD_STA_REC_UPDATE:
258 case MCU_UNI_CMD_BSS_INFO_UPDATE:
259 mdev->mcu.timeout = 2 * HZ;
260 return;
261 case MCU_UNI_CMD_EFUSE_CTRL:
262 mdev->mcu.timeout = 20 * HZ;
263 return;
264 default:
265 break;
266 }
267 }
268
269 static int
mt7996_mcu_send_message(struct mt76_dev * mdev,struct sk_buff * skb,int cmd,int * wait_seq)270 mt7996_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
271 int cmd, int *wait_seq)
272 {
273 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
274 int txd_len, mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
275 struct mt76_connac2_mcu_uni_txd *uni_txd;
276 struct mt76_connac2_mcu_txd *mcu_txd;
277 enum mt76_mcuq_id qid;
278 __le32 *txd;
279 u32 val;
280 u8 seq;
281
282 mt7996_mcu_set_timeout(mdev, cmd);
283
284 seq = ++dev->mt76.mcu.msg_seq & 0xf;
285 if (!seq)
286 seq = ++dev->mt76.mcu.msg_seq & 0xf;
287
288 if (cmd == MCU_CMD(FW_SCATTER)) {
289 qid = MT_MCUQ_FWDL;
290 goto exit;
291 }
292
293 txd_len = cmd & __MCU_CMD_FIELD_UNI ? sizeof(*uni_txd) : sizeof(*mcu_txd);
294 txd = (__le32 *)skb_push(skb, txd_len);
295 if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state) && mt7996_has_wa(dev))
296 qid = MT_MCUQ_WA;
297 else
298 qid = MT_MCUQ_WM;
299
300 val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
301 FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CMD) |
302 FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_MCU_PORT_RX_Q0);
303 txd[0] = cpu_to_le32(val);
304
305 val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
306 txd[1] = cpu_to_le32(val);
307
308 if (cmd & __MCU_CMD_FIELD_UNI) {
309 uni_txd = (struct mt76_connac2_mcu_uni_txd *)txd;
310 uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd));
311 uni_txd->cid = cpu_to_le16(mcu_cmd);
312 uni_txd->s2d_index = MCU_S2D_H2CN;
313 uni_txd->pkt_type = MCU_PKT_ID;
314 uni_txd->seq = seq;
315
316 if (cmd & __MCU_CMD_FIELD_QUERY)
317 uni_txd->option = MCU_CMD_UNI_QUERY_ACK;
318 else
319 uni_txd->option = MCU_CMD_UNI_EXT_ACK;
320
321 if ((cmd & __MCU_CMD_FIELD_WA) && (cmd & __MCU_CMD_FIELD_WM))
322 uni_txd->s2d_index = MCU_S2D_H2CN;
323 else if (cmd & __MCU_CMD_FIELD_WA)
324 uni_txd->s2d_index = MCU_S2D_H2C;
325 else if (cmd & __MCU_CMD_FIELD_WM)
326 uni_txd->s2d_index = MCU_S2D_H2N;
327
328 goto exit;
329 }
330
331 mcu_txd = (struct mt76_connac2_mcu_txd *)txd;
332 mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
333 mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU,
334 MT_TX_MCU_PORT_RX_Q0));
335 mcu_txd->pkt_type = MCU_PKT_ID;
336 mcu_txd->seq = seq;
337
338 mcu_txd->cid = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
339 mcu_txd->set_query = MCU_Q_NA;
340 mcu_txd->ext_cid = FIELD_GET(__MCU_CMD_FIELD_EXT_ID, cmd);
341 if (mcu_txd->ext_cid) {
342 mcu_txd->ext_cid_ack = 1;
343
344 if (cmd & __MCU_CMD_FIELD_QUERY)
345 mcu_txd->set_query = MCU_Q_QUERY;
346 else
347 mcu_txd->set_query = MCU_Q_SET;
348 }
349
350 if (cmd & __MCU_CMD_FIELD_WA)
351 mcu_txd->s2d_index = MCU_S2D_H2C;
352 else
353 mcu_txd->s2d_index = MCU_S2D_H2N;
354
355 exit:
356 if (wait_seq)
357 *wait_seq = seq;
358
359 return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[qid], skb, 0);
360 }
361
mt7996_mcu_wa_cmd(struct mt7996_dev * dev,int cmd,u32 a1,u32 a2,u32 a3)362 int mt7996_mcu_wa_cmd(struct mt7996_dev *dev, int cmd, u32 a1, u32 a2, u32 a3)
363 {
364 struct {
365 u8 _rsv[4];
366
367 __le16 tag;
368 __le16 len;
369 __le32 args[3];
370 } __packed req = {
371 .args = {
372 cpu_to_le32(a1),
373 cpu_to_le32(a2),
374 cpu_to_le32(a3),
375 },
376 };
377
378 if (mt7996_has_wa(dev))
379 return mt76_mcu_send_msg(&dev->mt76, cmd, &req.args,
380 sizeof(req.args), false);
381
382 req.tag = cpu_to_le16(cmd == MCU_WA_PARAM_CMD(QUERY) ? UNI_CMD_SDO_QUERY :
383 UNI_CMD_SDO_SET);
384 req.len = cpu_to_le16(sizeof(req) - 4);
385
386 return mt76_mcu_send_msg(&dev->mt76, MCU_WA_UNI_CMD(SDO), &req,
387 sizeof(req), false);
388 }
389
390 static void
mt7996_mcu_csa_finish(void * priv,u8 * mac,struct ieee80211_vif * vif)391 mt7996_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
392 {
393 if (!vif->bss_conf.csa_active || vif->type == NL80211_IFTYPE_STATION)
394 return;
395
396 ieee80211_csa_finish(vif, 0);
397 }
398
399 static void
mt7996_mcu_rx_radar_detected(struct mt7996_dev * dev,struct sk_buff * skb)400 mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb)
401 {
402 struct mt76_phy *mphy = &dev->mt76.phy;
403 struct mt7996_mcu_rdd_report *r;
404
405 r = (struct mt7996_mcu_rdd_report *)skb->data;
406
407 switch (r->rdd_idx) {
408 case MT_RDD_IDX_BAND2:
409 mphy = dev->mt76.phys[MT_BAND2];
410 break;
411 case MT_RDD_IDX_BAND1:
412 mphy = dev->mt76.phys[MT_BAND1];
413 break;
414 case MT_RDD_IDX_BACKGROUND:
415 if (!dev->rdd2_phy)
416 return;
417 mphy = dev->rdd2_phy->mt76;
418 break;
419 default:
420 dev_err(dev->mt76.dev, "Unknown RDD idx %d\n", r->rdd_idx);
421 return;
422 }
423
424 if (!mphy)
425 return;
426
427 if (r->rdd_idx == MT_RDD_IDX_BACKGROUND)
428 cfg80211_background_radar_event(mphy->hw->wiphy,
429 &dev->rdd2_chandef,
430 GFP_ATOMIC);
431 else
432 ieee80211_radar_detected(mphy->hw, NULL);
433 dev->hw_pattern++;
434 }
435
436 static void
mt7996_mcu_rx_log_message(struct mt7996_dev * dev,struct sk_buff * skb)437 mt7996_mcu_rx_log_message(struct mt7996_dev *dev, struct sk_buff *skb)
438 {
439 #define UNI_EVENT_FW_LOG_FORMAT 0
440 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
441 const char *data = (char *)&rxd[1] + 4, *type;
442 struct tlv *tlv = (struct tlv *)data;
443 int len;
444
445 if (!(rxd->option & MCU_UNI_CMD_EVENT)) {
446 len = skb->len - sizeof(*rxd);
447 data = (char *)&rxd[1];
448 goto out;
449 }
450
451 if (le16_to_cpu(tlv->tag) != UNI_EVENT_FW_LOG_FORMAT)
452 return;
453
454 data += sizeof(*tlv) + 4;
455 len = le16_to_cpu(tlv->len) - sizeof(*tlv) - 4;
456
457 out:
458 switch (rxd->s2d_index) {
459 case 0:
460 if (mt7996_debugfs_rx_log(dev, data, len))
461 return;
462
463 type = "WM";
464 break;
465 case 2:
466 type = "WA";
467 break;
468 default:
469 type = "unknown";
470 break;
471 }
472
473 wiphy_info(mt76_hw(dev)->wiphy, "%s: %.*s", type, len, data);
474 }
475
476 static void
mt7996_mcu_cca_finish(void * priv,u8 * mac,struct ieee80211_vif * vif)477 mt7996_mcu_cca_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
478 {
479 if (!vif->bss_conf.color_change_active || vif->type == NL80211_IFTYPE_STATION)
480 return;
481
482 ieee80211_color_change_finish(vif, 0);
483 }
484
485 static void
mt7996_mcu_ie_countdown(struct mt7996_dev * dev,struct sk_buff * skb)486 mt7996_mcu_ie_countdown(struct mt7996_dev *dev, struct sk_buff *skb)
487 {
488 #define UNI_EVENT_IE_COUNTDOWN_CSA 0
489 #define UNI_EVENT_IE_COUNTDOWN_BCC 1
490 struct header {
491 u8 band;
492 u8 rsv[3];
493 };
494 struct mt76_phy *mphy = &dev->mt76.phy;
495 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
496 const char *data = (char *)&rxd[1], *tail;
497 struct header *hdr = (struct header *)data;
498 struct tlv *tlv = (struct tlv *)(data + 4);
499
500 if (hdr->band >= ARRAY_SIZE(dev->mt76.phys))
501 return;
502
503 if (hdr->band && dev->mt76.phys[hdr->band])
504 mphy = dev->mt76.phys[hdr->band];
505
506 tail = skb->data + skb->len;
507 data += sizeof(struct header);
508 while (data + sizeof(struct tlv) < tail && le16_to_cpu(tlv->len)) {
509 switch (le16_to_cpu(tlv->tag)) {
510 case UNI_EVENT_IE_COUNTDOWN_CSA:
511 ieee80211_iterate_active_interfaces_atomic(mphy->hw,
512 IEEE80211_IFACE_ITER_RESUME_ALL,
513 mt7996_mcu_csa_finish, mphy->hw);
514 break;
515 case UNI_EVENT_IE_COUNTDOWN_BCC:
516 ieee80211_iterate_active_interfaces_atomic(mphy->hw,
517 IEEE80211_IFACE_ITER_RESUME_ALL,
518 mt7996_mcu_cca_finish, mphy->hw);
519 break;
520 }
521
522 data += le16_to_cpu(tlv->len);
523 tlv = (struct tlv *)data;
524 }
525 }
526
527 static int
mt7996_mcu_update_tx_gi(struct rate_info * rate,struct all_sta_trx_rate * mcu_rate)528 mt7996_mcu_update_tx_gi(struct rate_info *rate, struct all_sta_trx_rate *mcu_rate)
529 {
530 switch (mcu_rate->tx_mode) {
531 case MT_PHY_TYPE_CCK:
532 case MT_PHY_TYPE_OFDM:
533 break;
534 case MT_PHY_TYPE_HT:
535 case MT_PHY_TYPE_HT_GF:
536 case MT_PHY_TYPE_VHT:
537 if (mcu_rate->tx_gi)
538 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
539 else
540 rate->flags &= ~RATE_INFO_FLAGS_SHORT_GI;
541 break;
542 case MT_PHY_TYPE_HE_SU:
543 case MT_PHY_TYPE_HE_EXT_SU:
544 case MT_PHY_TYPE_HE_TB:
545 case MT_PHY_TYPE_HE_MU:
546 if (mcu_rate->tx_gi > NL80211_RATE_INFO_HE_GI_3_2)
547 return -EINVAL;
548 rate->he_gi = mcu_rate->tx_gi;
549 break;
550 case MT_PHY_TYPE_EHT_SU:
551 case MT_PHY_TYPE_EHT_TRIG:
552 case MT_PHY_TYPE_EHT_MU:
553 if (mcu_rate->tx_gi > NL80211_RATE_INFO_EHT_GI_3_2)
554 return -EINVAL;
555 rate->eht_gi = mcu_rate->tx_gi;
556 break;
557 default:
558 return -EINVAL;
559 }
560
561 return 0;
562 }
563
564 static void
mt7996_mcu_rx_all_sta_info_event(struct mt7996_dev * dev,struct sk_buff * skb)565 mt7996_mcu_rx_all_sta_info_event(struct mt7996_dev *dev, struct sk_buff *skb)
566 {
567 struct mt7996_mcu_all_sta_info_event *res;
568 u16 i;
569
570 skb_pull(skb, sizeof(struct mt7996_mcu_rxd));
571
572 res = (struct mt7996_mcu_all_sta_info_event *)skb->data;
573
574 for (i = 0; i < le16_to_cpu(res->sta_num); i++) {
575 u8 ac;
576 u16 wlan_idx;
577 struct mt76_wcid *wcid;
578
579 switch (le16_to_cpu(res->tag)) {
580 case UNI_ALL_STA_TXRX_RATE:
581 wlan_idx = le16_to_cpu(res->rate[i].wlan_idx);
582 wcid = mt76_wcid_ptr(dev, wlan_idx);
583
584 if (!wcid)
585 break;
586
587 if (mt7996_mcu_update_tx_gi(&wcid->rate, &res->rate[i]))
588 dev_err(dev->mt76.dev, "Failed to update TX GI\n");
589 break;
590 case UNI_ALL_STA_TXRX_ADM_STAT:
591 wlan_idx = le16_to_cpu(res->adm_stat[i].wlan_idx);
592 wcid = mt76_wcid_ptr(dev, wlan_idx);
593
594 if (!wcid)
595 break;
596
597 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
598 wcid->stats.tx_bytes +=
599 le32_to_cpu(res->adm_stat[i].tx_bytes[ac]);
600 wcid->stats.rx_bytes +=
601 le32_to_cpu(res->adm_stat[i].rx_bytes[ac]);
602 }
603 break;
604 case UNI_ALL_STA_TXRX_MSDU_COUNT:
605 wlan_idx = le16_to_cpu(res->msdu_cnt[i].wlan_idx);
606 wcid = mt76_wcid_ptr(dev, wlan_idx);
607
608 if (!wcid)
609 break;
610
611 wcid->stats.tx_packets +=
612 le32_to_cpu(res->msdu_cnt[i].tx_msdu_cnt);
613 wcid->stats.rx_packets +=
614 le32_to_cpu(res->msdu_cnt[i].rx_msdu_cnt);
615 break;
616 default:
617 break;
618 }
619 }
620 }
621
622 static void
mt7996_mcu_rx_thermal_notify(struct mt7996_dev * dev,struct sk_buff * skb)623 mt7996_mcu_rx_thermal_notify(struct mt7996_dev *dev, struct sk_buff *skb)
624 {
625 #define THERMAL_NOTIFY_TAG 0x4
626 #define THERMAL_NOTIFY 0x2
627 struct mt76_phy *mphy = &dev->mt76.phy;
628 struct mt7996_mcu_thermal_notify *n;
629 struct mt7996_phy *phy;
630
631 n = (struct mt7996_mcu_thermal_notify *)skb->data;
632
633 if (le16_to_cpu(n->tag) != THERMAL_NOTIFY_TAG)
634 return;
635
636 if (n->event_id != THERMAL_NOTIFY)
637 return;
638
639 if (n->band_idx > MT_BAND2)
640 return;
641
642 mphy = dev->mt76.phys[n->band_idx];
643 if (!mphy)
644 return;
645
646 phy = (struct mt7996_phy *)mphy->priv;
647 phy->throttle_state = n->duty_percent;
648 }
649
650 static void
mt7996_mcu_rx_ext_event(struct mt7996_dev * dev,struct sk_buff * skb)651 mt7996_mcu_rx_ext_event(struct mt7996_dev *dev, struct sk_buff *skb)
652 {
653 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
654
655 switch (rxd->ext_eid) {
656 case MCU_EXT_EVENT_FW_LOG_2_HOST:
657 mt7996_mcu_rx_log_message(dev, skb);
658 break;
659 default:
660 break;
661 }
662 }
663
664 static void
mt7996_mcu_rx_unsolicited_event(struct mt7996_dev * dev,struct sk_buff * skb)665 mt7996_mcu_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb)
666 {
667 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
668
669 switch (rxd->eid) {
670 case MCU_EVENT_EXT:
671 mt7996_mcu_rx_ext_event(dev, skb);
672 break;
673 case MCU_UNI_EVENT_THERMAL:
674 mt7996_mcu_rx_thermal_notify(dev, skb);
675 break;
676 default:
677 break;
678 }
679 dev_kfree_skb(skb);
680 }
681
682 static void
mt7996_mcu_wed_rro_event(struct mt7996_dev * dev,struct sk_buff * skb)683 mt7996_mcu_wed_rro_event(struct mt7996_dev *dev, struct sk_buff *skb)
684 {
685 struct mt7996_mcu_wed_rro_event *event = (void *)skb->data;
686
687 if (!mt7996_has_hwrro(dev))
688 return;
689
690 skb_pull(skb, sizeof(struct mt7996_mcu_rxd) + 4);
691
692 switch (le16_to_cpu(event->tag)) {
693 case UNI_WED_RRO_BA_SESSION_STATUS: {
694 struct mt7996_mcu_wed_rro_ba_event *e;
695
696 while (skb->len >= sizeof(*e)) {
697 struct mt76_rx_tid *tid;
698 struct mt76_wcid *wcid;
699 u16 idx;
700
701 e = (void *)skb->data;
702 idx = le16_to_cpu(e->wlan_id);
703 wcid = mt76_wcid_ptr(dev, idx);
704 if (!wcid || !wcid->sta)
705 break;
706
707 if (e->tid >= ARRAY_SIZE(wcid->aggr))
708 break;
709
710 tid = rcu_dereference(wcid->aggr[e->tid]);
711 if (!tid)
712 break;
713
714 tid->id = le16_to_cpu(e->id);
715 skb_pull(skb, sizeof(*e));
716 }
717 break;
718 }
719 case UNI_WED_RRO_BA_SESSION_DELETE: {
720 struct mt7996_mcu_wed_rro_ba_delete_event *e;
721
722 while (skb->len >= sizeof(*e)) {
723 struct mt7996_wed_rro_session_id *session;
724
725 e = (void *)skb->data;
726 session = kzalloc(sizeof(*session), GFP_ATOMIC);
727 if (!session)
728 break;
729
730 session->id = le16_to_cpu(e->session_id);
731
732 spin_lock_bh(&dev->wed_rro.lock);
733 list_add_tail(&session->list, &dev->wed_rro.poll_list);
734 spin_unlock_bh(&dev->wed_rro.lock);
735
736 ieee80211_queue_work(mt76_hw(dev), &dev->wed_rro.work);
737 skb_pull(skb, sizeof(*e));
738 }
739 break;
740 }
741 default:
742 break;
743 }
744 }
745
746 static void
mt7996_mcu_uni_rx_unsolicited_event(struct mt7996_dev * dev,struct sk_buff * skb)747 mt7996_mcu_uni_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb)
748 {
749 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
750
751 switch (rxd->eid) {
752 case MCU_UNI_EVENT_FW_LOG_2_HOST:
753 mt7996_mcu_rx_log_message(dev, skb);
754 break;
755 case MCU_UNI_EVENT_IE_COUNTDOWN:
756 mt7996_mcu_ie_countdown(dev, skb);
757 break;
758 case MCU_UNI_EVENT_RDD_REPORT:
759 mt7996_mcu_rx_radar_detected(dev, skb);
760 break;
761 case MCU_UNI_EVENT_ALL_STA_INFO:
762 mt7996_mcu_rx_all_sta_info_event(dev, skb);
763 break;
764 case MCU_UNI_EVENT_WED_RRO:
765 mt7996_mcu_wed_rro_event(dev, skb);
766 break;
767 default:
768 break;
769 }
770 dev_kfree_skb(skb);
771 }
772
mt7996_mcu_rx_event(struct mt7996_dev * dev,struct sk_buff * skb)773 void mt7996_mcu_rx_event(struct mt7996_dev *dev, struct sk_buff *skb)
774 {
775 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
776
777 if (rxd->option & MCU_UNI_CMD_UNSOLICITED_EVENT) {
778 mt7996_mcu_uni_rx_unsolicited_event(dev, skb);
779 return;
780 }
781
782 /* WA still uses legacy event*/
783 if (rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||
784 !rxd->seq)
785 mt7996_mcu_rx_unsolicited_event(dev, skb);
786 else
787 mt76_mcu_rx_event(&dev->mt76, skb);
788 }
789
790 static struct tlv *
mt7996_mcu_add_uni_tlv(struct sk_buff * skb,u16 tag,u16 len)791 mt7996_mcu_add_uni_tlv(struct sk_buff *skb, u16 tag, u16 len)
792 {
793 struct tlv *ptlv = skb_put_zero(skb, len);
794
795 ptlv->tag = cpu_to_le16(tag);
796 ptlv->len = cpu_to_le16(len);
797
798 return ptlv;
799 }
800
801 static void
mt7996_mcu_bss_rfch_tlv(struct sk_buff * skb,struct mt7996_phy * phy)802 mt7996_mcu_bss_rfch_tlv(struct sk_buff *skb, struct mt7996_phy *phy)
803 {
804 static const u8 rlm_ch_band[] = {
805 [NL80211_BAND_2GHZ] = 1,
806 [NL80211_BAND_5GHZ] = 2,
807 [NL80211_BAND_6GHZ] = 3,
808 };
809 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
810 struct bss_rlm_tlv *ch;
811 struct tlv *tlv;
812 int freq1 = chandef->center_freq1;
813
814 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RLM, sizeof(*ch));
815
816 ch = (struct bss_rlm_tlv *)tlv;
817 ch->control_channel = chandef->chan->hw_value;
818 ch->center_chan = ieee80211_frequency_to_channel(freq1);
819 ch->bw = mt76_connac_chan_bw(chandef);
820 ch->tx_streams = hweight8(phy->mt76->antenna_mask);
821 ch->rx_streams = hweight8(phy->mt76->antenna_mask);
822 ch->band = rlm_ch_band[chandef->chan->band];
823
824 if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
825 int freq2 = chandef->center_freq2;
826
827 ch->center_chan2 = ieee80211_frequency_to_channel(freq2);
828 }
829 }
830
831 static void
mt7996_mcu_bss_ra_tlv(struct sk_buff * skb,struct mt7996_phy * phy)832 mt7996_mcu_bss_ra_tlv(struct sk_buff *skb, struct mt7996_phy *phy)
833 {
834 struct bss_ra_tlv *ra;
835 struct tlv *tlv;
836
837 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RA, sizeof(*ra));
838
839 ra = (struct bss_ra_tlv *)tlv;
840 ra->short_preamble = true;
841 }
842
843 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)844 mt7996_mcu_bss_he_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
845 struct ieee80211_bss_conf *link_conf,
846 struct mt7996_phy *phy)
847 {
848 #define DEFAULT_HE_PE_DURATION 4
849 #define DEFAULT_HE_DURATION_RTS_THRES 1023
850 const struct ieee80211_sta_he_cap *cap;
851 struct bss_info_uni_he *he;
852 struct tlv *tlv;
853
854 cap = mt76_connac_get_he_phy_cap(phy->mt76, vif);
855
856 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_HE_BASIC, sizeof(*he));
857
858 he = (struct bss_info_uni_he *)tlv;
859 he->he_pe_duration = link_conf->htc_trig_based_pkt_ext;
860 if (!he->he_pe_duration)
861 he->he_pe_duration = DEFAULT_HE_PE_DURATION;
862
863 he->he_rts_thres = cpu_to_le16(link_conf->frame_time_rts_th);
864 if (!he->he_rts_thres)
865 he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES);
866
867 he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80;
868 he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160;
869 he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80;
870 }
871
872 static void
mt7996_mcu_bss_mbssid_tlv(struct sk_buff * skb,struct ieee80211_bss_conf * link_conf,bool enable)873 mt7996_mcu_bss_mbssid_tlv(struct sk_buff *skb, struct ieee80211_bss_conf *link_conf,
874 bool enable)
875 {
876 struct bss_info_uni_mbssid *mbssid;
877 struct tlv *tlv;
878
879 if (!link_conf->bssid_indicator && enable)
880 return;
881
882 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_11V_MBSSID, sizeof(*mbssid));
883
884 mbssid = (struct bss_info_uni_mbssid *)tlv;
885
886 if (enable) {
887 mbssid->max_indicator = link_conf->bssid_indicator;
888 mbssid->mbss_idx = link_conf->bssid_index;
889 mbssid->tx_bss_omac_idx = 0;
890 }
891 }
892
893 static void
mt7996_mcu_bss_bmc_tlv(struct sk_buff * skb,struct mt76_vif_link * mlink,struct mt7996_phy * phy)894 mt7996_mcu_bss_bmc_tlv(struct sk_buff *skb, struct mt76_vif_link *mlink,
895 struct mt7996_phy *phy)
896 {
897 struct bss_rate_tlv *bmc;
898 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
899 enum nl80211_band band = chandef->chan->band;
900 struct tlv *tlv;
901 u8 idx = mlink->mcast_rates_idx ?
902 mlink->mcast_rates_idx : mlink->basic_rates_idx;
903
904 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RATE, sizeof(*bmc));
905
906 bmc = (struct bss_rate_tlv *)tlv;
907
908 bmc->short_preamble = (band == NL80211_BAND_2GHZ);
909 bmc->bc_fixed_rate = idx;
910 bmc->mc_fixed_rate = idx;
911 }
912
913 static void
mt7996_mcu_bss_txcmd_tlv(struct sk_buff * skb,bool en)914 mt7996_mcu_bss_txcmd_tlv(struct sk_buff *skb, bool en)
915 {
916 struct bss_txcmd_tlv *txcmd;
917 struct tlv *tlv;
918
919 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_TXCMD, sizeof(*txcmd));
920
921 txcmd = (struct bss_txcmd_tlv *)tlv;
922 txcmd->txcmd_mode = en;
923 }
924
925 static void
mt7996_mcu_bss_mld_tlv(struct sk_buff * skb,struct ieee80211_bss_conf * link_conf,struct mt7996_vif_link * link)926 mt7996_mcu_bss_mld_tlv(struct sk_buff *skb,
927 struct ieee80211_bss_conf *link_conf,
928 struct mt7996_vif_link *link)
929 {
930 struct ieee80211_vif *vif = link_conf->vif;
931 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
932 struct bss_mld_tlv *mld;
933 struct tlv *tlv;
934
935 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_MLD, sizeof(*mld));
936 mld = (struct bss_mld_tlv *)tlv;
937 mld->own_mld_id = link->mld_idx;
938 mld->link_id = link_conf->link_id;
939
940 if (ieee80211_vif_is_mld(vif)) {
941 mld->group_mld_id = mvif->mld_group_idx;
942 mld->remap_idx = mvif->mld_remap_idx;
943 memcpy(mld->mac_addr, vif->addr, ETH_ALEN);
944 } else {
945 mld->group_mld_id = 0xff;
946 mld->remap_idx = 0xff;
947 }
948 }
949
950 static void
mt7996_mcu_bss_sec_tlv(struct sk_buff * skb,struct mt76_vif_link * mlink)951 mt7996_mcu_bss_sec_tlv(struct sk_buff *skb, struct mt76_vif_link *mlink)
952 {
953 struct bss_sec_tlv *sec;
954 struct tlv *tlv;
955
956 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_SEC, sizeof(*sec));
957
958 sec = (struct bss_sec_tlv *)tlv;
959 sec->cipher = mlink->cipher;
960 }
961
962 static int
mt7996_mcu_muar_config(struct mt7996_dev * dev,struct mt76_vif_link * mlink,const u8 * addr,bool bssid,bool enable)963 mt7996_mcu_muar_config(struct mt7996_dev *dev, struct mt76_vif_link *mlink,
964 const u8 *addr, bool bssid, bool enable)
965 {
966 #define UNI_MUAR_ENTRY 2
967 u32 idx = mlink->omac_idx - REPEATER_BSSID_START;
968 struct {
969 struct {
970 u8 band;
971 u8 __rsv[3];
972 } hdr;
973
974 __le16 tag;
975 __le16 len;
976
977 bool smesh;
978 u8 bssid;
979 u8 index;
980 u8 entry_add;
981 u8 addr[ETH_ALEN];
982 u8 __rsv[2];
983 } __packed req = {
984 .hdr.band = mlink->band_idx,
985 .tag = cpu_to_le16(UNI_MUAR_ENTRY),
986 .len = cpu_to_le16(sizeof(req) - sizeof(req.hdr)),
987 .smesh = false,
988 .index = idx * 2 + bssid,
989 .entry_add = true,
990 };
991
992 if (enable)
993 memcpy(req.addr, addr, ETH_ALEN);
994
995 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(REPT_MUAR), &req,
996 sizeof(req), true);
997 }
998
999 static void
mt7996_mcu_bss_ifs_timing_tlv(struct sk_buff * skb,struct mt7996_phy * phy)1000 mt7996_mcu_bss_ifs_timing_tlv(struct sk_buff *skb, struct mt7996_phy *phy)
1001 {
1002 struct bss_ifs_time_tlv *ifs_time;
1003 struct tlv *tlv;
1004 bool is_2ghz = phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ;
1005
1006 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_IFS_TIME, sizeof(*ifs_time));
1007
1008 ifs_time = (struct bss_ifs_time_tlv *)tlv;
1009 ifs_time->slot_valid = true;
1010 ifs_time->sifs_valid = true;
1011 ifs_time->rifs_valid = true;
1012 ifs_time->eifs_valid = true;
1013
1014 ifs_time->slot_time = cpu_to_le16(phy->slottime);
1015 ifs_time->sifs_time = cpu_to_le16(10);
1016 ifs_time->rifs_time = cpu_to_le16(2);
1017 ifs_time->eifs_time = cpu_to_le16(is_2ghz ? 78 : 84);
1018
1019 if (is_2ghz) {
1020 ifs_time->eifs_cck_valid = true;
1021 ifs_time->eifs_cck_time = cpu_to_le16(314);
1022 }
1023 }
1024
1025 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)1026 mt7996_mcu_bss_basic_tlv(struct sk_buff *skb,
1027 struct ieee80211_vif *vif,
1028 struct ieee80211_bss_conf *link_conf,
1029 struct mt76_vif_link *mvif,
1030 struct mt76_phy *phy, u16 wlan_idx,
1031 bool enable)
1032 {
1033 struct cfg80211_chan_def *chandef = &phy->chandef;
1034 struct mt76_connac_bss_basic_tlv *bss;
1035 u32 type = CONNECTION_INFRA_AP;
1036 u16 sta_wlan_idx = wlan_idx;
1037 struct ieee80211_sta *sta;
1038 struct tlv *tlv;
1039 int idx;
1040
1041 switch (vif->type) {
1042 case NL80211_IFTYPE_MESH_POINT:
1043 case NL80211_IFTYPE_AP:
1044 case NL80211_IFTYPE_MONITOR:
1045 break;
1046 case NL80211_IFTYPE_STATION:
1047 if (enable) {
1048 rcu_read_lock();
1049 sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
1050 /* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
1051 if (sta) {
1052 struct mt76_wcid *wcid;
1053
1054 wcid = (struct mt76_wcid *)sta->drv_priv;
1055 sta_wlan_idx = wcid->idx;
1056 }
1057 rcu_read_unlock();
1058 }
1059 type = CONNECTION_INFRA_STA;
1060 break;
1061 case NL80211_IFTYPE_ADHOC:
1062 type = CONNECTION_IBSS_ADHOC;
1063 break;
1064 default:
1065 WARN_ON(1);
1066 break;
1067 }
1068
1069 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_BASIC, sizeof(*bss));
1070
1071 bss = (struct mt76_connac_bss_basic_tlv *)tlv;
1072 bss->bcn_interval = cpu_to_le16(link_conf->beacon_int);
1073 bss->dtim_period = link_conf->dtim_period;
1074 bss->bmc_tx_wlan_idx = cpu_to_le16(wlan_idx);
1075 bss->sta_idx = cpu_to_le16(sta_wlan_idx);
1076 bss->conn_type = cpu_to_le32(type);
1077 bss->omac_idx = mvif->omac_idx;
1078 bss->band_idx = mvif->band_idx;
1079 bss->wmm_idx = mvif->wmm_idx;
1080 bss->conn_state = !enable;
1081 bss->active = enable;
1082
1083 idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
1084 bss->hw_bss_idx = idx;
1085
1086 if (vif->type == NL80211_IFTYPE_MONITOR) {
1087 memcpy(bss->bssid, phy->macaddr, ETH_ALEN);
1088 return 0;
1089 }
1090
1091 memcpy(bss->bssid, link_conf->bssid, ETH_ALEN);
1092 bss->bcn_interval = cpu_to_le16(link_conf->beacon_int);
1093 bss->dtim_period = vif->bss_conf.dtim_period;
1094 bss->phymode = mt76_connac_get_phy_mode(phy, vif,
1095 chandef->chan->band, NULL);
1096 bss->phymode_ext = mt76_connac_get_phy_mode_ext(phy, &vif->bss_conf,
1097 chandef->chan->band);
1098
1099 return 0;
1100 }
1101
1102 static struct sk_buff *
__mt7996_mcu_alloc_bss_req(struct mt76_dev * dev,struct mt76_vif_link * mvif,int len)1103 __mt7996_mcu_alloc_bss_req(struct mt76_dev *dev, struct mt76_vif_link *mvif, int len)
1104 {
1105 struct bss_req_hdr hdr = {
1106 .bss_idx = mvif->idx,
1107 };
1108 struct sk_buff *skb;
1109
1110 skb = mt76_mcu_msg_alloc(dev, NULL, len);
1111 if (!skb)
1112 return ERR_PTR(-ENOMEM);
1113
1114 skb_put_data(skb, &hdr, sizeof(hdr));
1115
1116 return skb;
1117 }
1118
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)1119 int mt7996_mcu_add_bss_info(struct mt7996_phy *phy, struct ieee80211_vif *vif,
1120 struct ieee80211_bss_conf *link_conf,
1121 struct mt76_vif_link *mlink,
1122 struct mt7996_sta_link *msta_link, int enable)
1123 {
1124 struct mt7996_dev *dev = phy->dev;
1125 struct sk_buff *skb;
1126
1127 if (mlink->omac_idx >= REPEATER_BSSID_START) {
1128 mt7996_mcu_muar_config(dev, mlink, link_conf->addr, false, enable);
1129 mt7996_mcu_muar_config(dev, mlink, link_conf->bssid, true, enable);
1130 }
1131
1132 skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, mlink,
1133 MT7996_BSS_UPDATE_MAX_SIZE);
1134 if (IS_ERR(skb))
1135 return PTR_ERR(skb);
1136
1137 /* bss_basic must be first */
1138 mt7996_mcu_bss_basic_tlv(skb, vif, link_conf, mlink, phy->mt76,
1139 msta_link->wcid.idx, enable);
1140 mt7996_mcu_bss_sec_tlv(skb, mlink);
1141
1142 if (vif->type == NL80211_IFTYPE_MONITOR)
1143 goto out;
1144
1145 if (enable) {
1146 struct mt7996_vif_link *link;
1147
1148 mt7996_mcu_bss_rfch_tlv(skb, phy);
1149 mt7996_mcu_bss_bmc_tlv(skb, mlink, phy);
1150 mt7996_mcu_bss_ra_tlv(skb, phy);
1151 mt7996_mcu_bss_txcmd_tlv(skb, true);
1152 mt7996_mcu_bss_ifs_timing_tlv(skb, phy);
1153
1154 if (vif->bss_conf.he_support)
1155 mt7996_mcu_bss_he_tlv(skb, vif, link_conf, phy);
1156
1157 /* this tag is necessary no matter if the vif is MLD */
1158 link = container_of(mlink, struct mt7996_vif_link, mt76);
1159 mt7996_mcu_bss_mld_tlv(skb, link_conf, link);
1160 }
1161
1162 mt7996_mcu_bss_mbssid_tlv(skb, link_conf, enable);
1163
1164 out:
1165 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
1166 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
1167 }
1168
mt7996_mcu_set_timing(struct mt7996_phy * phy,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)1169 int mt7996_mcu_set_timing(struct mt7996_phy *phy, struct ieee80211_vif *vif,
1170 struct ieee80211_bss_conf *link_conf)
1171 {
1172 struct mt7996_dev *dev = phy->dev;
1173 struct mt76_vif_link *mlink = mt76_vif_conf_link(&dev->mt76, vif, link_conf);
1174 struct sk_buff *skb;
1175
1176 skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, mlink,
1177 MT7996_BSS_UPDATE_MAX_SIZE);
1178 if (IS_ERR(skb))
1179 return PTR_ERR(skb);
1180
1181 mt7996_mcu_bss_ifs_timing_tlv(skb, phy);
1182
1183 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
1184 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
1185 }
1186
1187 static int
mt7996_mcu_sta_ba(struct mt7996_dev * dev,struct mt76_vif_link * mvif,struct ieee80211_ampdu_params * params,struct mt76_wcid * wcid,bool enable,bool tx)1188 mt7996_mcu_sta_ba(struct mt7996_dev *dev, struct mt76_vif_link *mvif,
1189 struct ieee80211_ampdu_params *params,
1190 struct mt76_wcid *wcid, bool enable, bool tx)
1191 {
1192 struct sta_rec_ba_uni *ba;
1193 struct sk_buff *skb;
1194 struct tlv *tlv;
1195
1196 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, mvif, wcid,
1197 MT7996_STA_UPDATE_MAX_SIZE);
1198 if (IS_ERR(skb))
1199 return PTR_ERR(skb);
1200
1201 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba));
1202
1203 ba = (struct sta_rec_ba_uni *)tlv;
1204 ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT;
1205 ba->winsize = cpu_to_le16(params->buf_size);
1206 ba->ssn = cpu_to_le16(params->ssn);
1207 ba->ba_en = enable << params->tid;
1208 ba->amsdu = params->amsdu;
1209 ba->tid = params->tid;
1210 ba->ba_rdd_rro = !tx && enable && mt7996_has_hwrro(dev);
1211
1212 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
1213 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
1214 }
1215
1216 /** starec & wtbl **/
mt7996_mcu_add_tx_ba(struct mt7996_dev * dev,struct ieee80211_ampdu_params * params,struct ieee80211_vif * vif,bool enable)1217 int mt7996_mcu_add_tx_ba(struct mt7996_dev *dev,
1218 struct ieee80211_ampdu_params *params,
1219 struct ieee80211_vif *vif, bool enable)
1220 {
1221 struct ieee80211_sta *sta = params->sta;
1222 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1223 struct ieee80211_link_sta *link_sta;
1224 unsigned int link_id;
1225 int ret = 0;
1226
1227 for_each_sta_active_link(vif, sta, link_sta, link_id) {
1228 struct mt7996_sta_link *msta_link;
1229 struct mt7996_vif_link *link;
1230
1231 msta_link = mt76_dereference(msta->link[link_id], &dev->mt76);
1232 if (!msta_link)
1233 continue;
1234
1235 link = mt7996_vif_link(dev, vif, link_id);
1236 if (!link)
1237 continue;
1238
1239 if (enable && !params->amsdu)
1240 msta_link->wcid.amsdu = false;
1241
1242 ret = mt7996_mcu_sta_ba(dev, &link->mt76, params,
1243 &msta_link->wcid, enable, true);
1244 if (ret)
1245 break;
1246 }
1247
1248 return ret;
1249 }
1250
mt7996_mcu_add_rx_ba(struct mt7996_dev * dev,struct ieee80211_ampdu_params * params,struct ieee80211_vif * vif,bool enable)1251 int mt7996_mcu_add_rx_ba(struct mt7996_dev *dev,
1252 struct ieee80211_ampdu_params *params,
1253 struct ieee80211_vif *vif, bool enable)
1254 {
1255 struct ieee80211_sta *sta = params->sta;
1256 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1257 struct ieee80211_link_sta *link_sta;
1258 unsigned int link_id;
1259 int ret = 0;
1260
1261 for_each_sta_active_link(vif, sta, link_sta, link_id) {
1262 struct mt7996_sta_link *msta_link;
1263 struct mt7996_vif_link *link;
1264
1265 msta_link = mt76_dereference(msta->link[link_id], &dev->mt76);
1266 if (!msta_link)
1267 continue;
1268
1269 link = mt7996_vif_link(dev, vif, link_id);
1270 if (!link)
1271 continue;
1272
1273 ret = mt7996_mcu_sta_ba(dev, &link->mt76, params,
1274 &msta_link->wcid, enable, false);
1275 if (ret)
1276 break;
1277 }
1278
1279 return ret;
1280 }
1281
1282 static void
mt7996_mcu_sta_he_tlv(struct sk_buff * skb,struct ieee80211_link_sta * link_sta,struct mt7996_vif_link * link)1283 mt7996_mcu_sta_he_tlv(struct sk_buff *skb,
1284 struct ieee80211_link_sta *link_sta,
1285 struct mt7996_vif_link *link)
1286 {
1287 struct ieee80211_he_cap_elem *elem = &link_sta->he_cap.he_cap_elem;
1288 struct ieee80211_he_mcs_nss_supp mcs_map;
1289 struct sta_rec_he_v2 *he;
1290 struct tlv *tlv;
1291 int i = 0;
1292
1293 if (!link_sta->he_cap.has_he)
1294 return;
1295
1296 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_V2, sizeof(*he));
1297
1298 he = (struct sta_rec_he_v2 *)tlv;
1299 for (i = 0; i < 11; i++) {
1300 if (i < 6)
1301 he->he_mac_cap[i] = elem->mac_cap_info[i];
1302 he->he_phy_cap[i] = elem->phy_cap_info[i];
1303 }
1304
1305 mcs_map = link_sta->he_cap.he_mcs_nss_supp;
1306 switch (link_sta->bandwidth) {
1307 case IEEE80211_STA_RX_BW_160:
1308 if (elem->phy_cap_info[0] &
1309 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1310 mt7996_mcu_set_sta_he_mcs(link_sta, link,
1311 &he->max_nss_mcs[CMD_HE_MCS_BW8080],
1312 le16_to_cpu(mcs_map.rx_mcs_80p80));
1313
1314 mt7996_mcu_set_sta_he_mcs(link_sta, link,
1315 &he->max_nss_mcs[CMD_HE_MCS_BW160],
1316 le16_to_cpu(mcs_map.rx_mcs_160));
1317 fallthrough;
1318 default:
1319 mt7996_mcu_set_sta_he_mcs(link_sta, link,
1320 &he->max_nss_mcs[CMD_HE_MCS_BW80],
1321 le16_to_cpu(mcs_map.rx_mcs_80));
1322 break;
1323 }
1324
1325 he->pkt_ext = 2;
1326 }
1327
1328 static void
mt7996_mcu_sta_he_6g_tlv(struct sk_buff * skb,struct ieee80211_link_sta * link_sta)1329 mt7996_mcu_sta_he_6g_tlv(struct sk_buff *skb,
1330 struct ieee80211_link_sta *link_sta)
1331 {
1332 struct sta_rec_he_6g_capa *he_6g;
1333 struct tlv *tlv;
1334
1335 if (!link_sta->he_6ghz_capa.capa)
1336 return;
1337
1338 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_6G, sizeof(*he_6g));
1339
1340 he_6g = (struct sta_rec_he_6g_capa *)tlv;
1341 he_6g->capa = link_sta->he_6ghz_capa.capa;
1342 }
1343
1344 static void
mt7996_mcu_sta_eht_tlv(struct sk_buff * skb,struct ieee80211_link_sta * link_sta)1345 mt7996_mcu_sta_eht_tlv(struct sk_buff *skb,
1346 struct ieee80211_link_sta *link_sta)
1347 {
1348 struct mt7996_sta *msta = (struct mt7996_sta *)link_sta->sta->drv_priv;
1349 struct ieee80211_vif *vif = container_of((void *)msta->vif,
1350 struct ieee80211_vif, drv_priv);
1351 struct ieee80211_eht_mcs_nss_supp *mcs_map;
1352 struct ieee80211_eht_cap_elem_fixed *elem;
1353 struct sta_rec_eht *eht;
1354 struct tlv *tlv;
1355
1356 if (!link_sta->eht_cap.has_eht)
1357 return;
1358
1359 mcs_map = &link_sta->eht_cap.eht_mcs_nss_supp;
1360 elem = &link_sta->eht_cap.eht_cap_elem;
1361
1362 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_EHT, sizeof(*eht));
1363
1364 eht = (struct sta_rec_eht *)tlv;
1365 eht->tid_bitmap = 0xff;
1366 eht->mac_cap = cpu_to_le16(*(u16 *)elem->mac_cap_info);
1367 eht->phy_cap = cpu_to_le64(*(u64 *)elem->phy_cap_info);
1368 eht->phy_cap_ext = cpu_to_le64(elem->phy_cap_info[8]);
1369
1370 if (vif->type != NL80211_IFTYPE_STATION &&
1371 (link_sta->he_cap.he_cap_elem.phy_cap_info[0] &
1372 (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G |
1373 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
1374 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
1375 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)) == 0) {
1376 memcpy(eht->mcs_map_bw20, &mcs_map->only_20mhz,
1377 sizeof(eht->mcs_map_bw20));
1378 return;
1379 }
1380
1381 memcpy(eht->mcs_map_bw80, &mcs_map->bw._80, sizeof(eht->mcs_map_bw80));
1382 memcpy(eht->mcs_map_bw160, &mcs_map->bw._160, sizeof(eht->mcs_map_bw160));
1383 memcpy(eht->mcs_map_bw320, &mcs_map->bw._320, sizeof(eht->mcs_map_bw320));
1384 }
1385
1386 static void
mt7996_mcu_sta_ht_tlv(struct sk_buff * skb,struct ieee80211_link_sta * link_sta)1387 mt7996_mcu_sta_ht_tlv(struct sk_buff *skb, struct ieee80211_link_sta *link_sta)
1388 {
1389 struct sta_rec_ht_uni *ht;
1390 struct tlv *tlv;
1391
1392 if (!link_sta->ht_cap.ht_supported)
1393 return;
1394
1395 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
1396
1397 ht = (struct sta_rec_ht_uni *)tlv;
1398 ht->ht_cap = cpu_to_le16(link_sta->ht_cap.cap);
1399 ht->ampdu_param = u8_encode_bits(link_sta->ht_cap.ampdu_factor,
1400 IEEE80211_HT_AMPDU_PARM_FACTOR) |
1401 u8_encode_bits(link_sta->ht_cap.ampdu_density,
1402 IEEE80211_HT_AMPDU_PARM_DENSITY);
1403 }
1404
1405 static void
mt7996_mcu_sta_vht_tlv(struct sk_buff * skb,struct ieee80211_link_sta * link_sta)1406 mt7996_mcu_sta_vht_tlv(struct sk_buff *skb, struct ieee80211_link_sta *link_sta)
1407 {
1408 struct sta_rec_vht *vht;
1409 struct tlv *tlv;
1410
1411 /* For 6G band, this tlv is necessary to let hw work normally */
1412 if (!link_sta->he_6ghz_capa.capa && !link_sta->vht_cap.vht_supported)
1413 return;
1414
1415 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht));
1416
1417 vht = (struct sta_rec_vht *)tlv;
1418 vht->vht_cap = cpu_to_le32(link_sta->vht_cap.cap);
1419 vht->vht_rx_mcs_map = link_sta->vht_cap.vht_mcs.rx_mcs_map;
1420 vht->vht_tx_mcs_map = link_sta->vht_cap.vht_mcs.tx_mcs_map;
1421 }
1422
1423 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)1424 mt7996_mcu_sta_amsdu_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
1425 struct ieee80211_vif *vif,
1426 struct ieee80211_link_sta *link_sta,
1427 struct mt7996_sta_link *msta_link)
1428 {
1429 struct sta_rec_amsdu *amsdu;
1430 struct tlv *tlv;
1431
1432 if (vif->type != NL80211_IFTYPE_STATION &&
1433 vif->type != NL80211_IFTYPE_MESH_POINT &&
1434 vif->type != NL80211_IFTYPE_AP)
1435 return;
1436
1437 if (!link_sta->agg.max_amsdu_len)
1438 return;
1439
1440 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HW_AMSDU, sizeof(*amsdu));
1441 amsdu = (struct sta_rec_amsdu *)tlv;
1442 amsdu->max_amsdu_num = 8;
1443 amsdu->amsdu_en = true;
1444 msta_link->wcid.amsdu = true;
1445
1446 switch (link_sta->agg.max_amsdu_len) {
1447 case IEEE80211_MAX_MPDU_LEN_VHT_11454:
1448 amsdu->max_mpdu_size =
1449 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
1450 return;
1451 case IEEE80211_MAX_MPDU_LEN_HT_7935:
1452 case IEEE80211_MAX_MPDU_LEN_VHT_7991:
1453 amsdu->max_mpdu_size = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991;
1454 return;
1455 default:
1456 amsdu->max_mpdu_size = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895;
1457 return;
1458 }
1459 }
1460
1461 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)1462 mt7996_mcu_sta_muru_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
1463 struct ieee80211_bss_conf *link_conf,
1464 struct ieee80211_link_sta *link_sta)
1465 {
1466 struct ieee80211_he_cap_elem *elem = &link_sta->he_cap.he_cap_elem;
1467 struct sta_rec_muru *muru;
1468 struct tlv *tlv;
1469
1470 if (link_conf->vif->type != NL80211_IFTYPE_STATION &&
1471 link_conf->vif->type != NL80211_IFTYPE_AP)
1472 return;
1473
1474 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_MURU, sizeof(*muru));
1475
1476 muru = (struct sta_rec_muru *)tlv;
1477 muru->cfg.mimo_dl_en = link_conf->eht_mu_beamformer ||
1478 link_conf->he_mu_beamformer ||
1479 link_conf->vht_mu_beamformer ||
1480 link_conf->vht_mu_beamformee;
1481 muru->cfg.ofdma_dl_en = true;
1482
1483 if (link_sta->vht_cap.vht_supported)
1484 muru->mimo_dl.vht_mu_bfee =
1485 !!(link_sta->vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
1486
1487 if (!link_sta->he_cap.has_he)
1488 return;
1489
1490 muru->mimo_dl.partial_bw_dl_mimo =
1491 HE_PHY(CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO, elem->phy_cap_info[6]);
1492
1493 muru->mimo_ul.full_ul_mimo =
1494 HE_PHY(CAP2_UL_MU_FULL_MU_MIMO, elem->phy_cap_info[2]);
1495 muru->mimo_ul.partial_ul_mimo =
1496 HE_PHY(CAP2_UL_MU_PARTIAL_MU_MIMO, elem->phy_cap_info[2]);
1497
1498 muru->ofdma_dl.punc_pream_rx =
1499 HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]);
1500 muru->ofdma_dl.he_20m_in_40m_2g =
1501 HE_PHY(CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G, elem->phy_cap_info[8]);
1502 muru->ofdma_dl.he_20m_in_160m =
1503 HE_PHY(CAP8_20MHZ_IN_160MHZ_HE_PPDU, elem->phy_cap_info[8]);
1504 muru->ofdma_dl.he_80m_in_160m =
1505 HE_PHY(CAP8_80MHZ_IN_160MHZ_HE_PPDU, elem->phy_cap_info[8]);
1506
1507 muru->ofdma_ul.t_frame_dur =
1508 HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]);
1509 muru->ofdma_ul.mu_cascading =
1510 HE_MAC(CAP2_MU_CASCADING, elem->mac_cap_info[2]);
1511 muru->ofdma_ul.uo_ra =
1512 HE_MAC(CAP3_OFDMA_RA, elem->mac_cap_info[3]);
1513 muru->ofdma_ul.rx_ctrl_frame_to_mbss =
1514 HE_MAC(CAP3_RX_CTRL_FRAME_TO_MULTIBSS, elem->mac_cap_info[3]);
1515 }
1516
1517 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)1518 mt7996_is_ebf_supported(struct mt7996_phy *phy,
1519 struct ieee80211_bss_conf *link_conf,
1520 struct ieee80211_link_sta *link_sta, bool bfee)
1521 {
1522 int sts = hweight16(phy->mt76->chainmask);
1523
1524 if (link_conf->vif->type != NL80211_IFTYPE_STATION &&
1525 link_conf->vif->type != NL80211_IFTYPE_AP)
1526 return false;
1527
1528 if (!bfee && sts < 2)
1529 return false;
1530
1531 if (link_sta->eht_cap.has_eht) {
1532 struct ieee80211_sta_eht_cap *pc = &link_sta->eht_cap;
1533 struct ieee80211_eht_cap_elem_fixed *pe = &pc->eht_cap_elem;
1534
1535 if (bfee)
1536 return link_conf->eht_su_beamformee &&
1537 EHT_PHY(CAP0_SU_BEAMFORMER, pe->phy_cap_info[0]);
1538 else
1539 return link_conf->eht_su_beamformer &&
1540 EHT_PHY(CAP0_SU_BEAMFORMEE, pe->phy_cap_info[0]);
1541 }
1542
1543 if (link_sta->he_cap.has_he) {
1544 struct ieee80211_he_cap_elem *pe = &link_sta->he_cap.he_cap_elem;
1545
1546 if (bfee)
1547 return link_conf->he_su_beamformee &&
1548 HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]);
1549 else
1550 return link_conf->he_su_beamformer &&
1551 HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]);
1552 }
1553
1554 if (link_sta->vht_cap.vht_supported) {
1555 u32 cap = link_sta->vht_cap.cap;
1556
1557 if (bfee)
1558 return link_conf->vht_su_beamformee &&
1559 (cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
1560 else
1561 return link_conf->vht_su_beamformer &&
1562 (cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
1563 }
1564
1565 return false;
1566 }
1567
1568 static void
mt7996_mcu_sta_sounding_rate(struct sta_rec_bf * bf,struct mt7996_phy * phy)1569 mt7996_mcu_sta_sounding_rate(struct sta_rec_bf *bf, struct mt7996_phy *phy)
1570 {
1571 bf->sounding_phy = MT_PHY_TYPE_OFDM;
1572 bf->ndp_rate = 0; /* mcs0 */
1573 if (is_mt7996(phy->mt76->dev))
1574 bf->ndpa_rate = MT7996_CFEND_RATE_DEFAULT; /* ofdm 24m */
1575 else
1576 bf->ndpa_rate = MT7992_CFEND_RATE_DEFAULT; /* ofdm 6m */
1577
1578 bf->rept_poll_rate = MT7996_CFEND_RATE_DEFAULT; /* ofdm 24m */
1579 }
1580
1581 static void
mt7996_mcu_sta_bfer_ht(struct ieee80211_link_sta * link_sta,struct mt7996_phy * phy,struct sta_rec_bf * bf,bool explicit)1582 mt7996_mcu_sta_bfer_ht(struct ieee80211_link_sta *link_sta,
1583 struct mt7996_phy *phy, struct sta_rec_bf *bf,
1584 bool explicit)
1585 {
1586 struct ieee80211_mcs_info *mcs = &link_sta->ht_cap.mcs;
1587 u8 n = 0;
1588
1589 bf->tx_mode = MT_PHY_TYPE_HT;
1590
1591 if ((mcs->tx_params & IEEE80211_HT_MCS_TX_RX_DIFF) &&
1592 (mcs->tx_params & IEEE80211_HT_MCS_TX_DEFINED))
1593 n = FIELD_GET(IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK,
1594 mcs->tx_params);
1595 else if (mcs->rx_mask[3])
1596 n = 3;
1597 else if (mcs->rx_mask[2])
1598 n = 2;
1599 else if (mcs->rx_mask[1])
1600 n = 1;
1601
1602 bf->nrow = hweight8(phy->mt76->antenna_mask) - 1;
1603 bf->ncol = min_t(u8, bf->nrow, n);
1604 bf->ibf_ncol = explicit ? min_t(u8, MT7996_IBF_MAX_NC, bf->ncol) :
1605 min_t(u8, MT7996_IBF_MAX_NC, n);
1606 }
1607
1608 static void
mt7996_mcu_sta_bfer_vht(struct ieee80211_link_sta * link_sta,struct mt7996_phy * phy,struct sta_rec_bf * bf,bool explicit)1609 mt7996_mcu_sta_bfer_vht(struct ieee80211_link_sta *link_sta,
1610 struct mt7996_phy *phy, struct sta_rec_bf *bf,
1611 bool explicit)
1612 {
1613 struct ieee80211_sta_vht_cap *pc = &link_sta->vht_cap;
1614 struct ieee80211_sta_vht_cap *vc = &phy->mt76->sband_5g.sband.vht_cap;
1615 u16 mcs_map = le16_to_cpu(pc->vht_mcs.rx_mcs_map);
1616 u8 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map);
1617 u8 tx_ant = hweight8(phy->mt76->antenna_mask) - 1;
1618
1619 bf->tx_mode = MT_PHY_TYPE_VHT;
1620
1621 if (explicit) {
1622 u8 sts, snd_dim;
1623
1624 mt7996_mcu_sta_sounding_rate(bf, phy);
1625
1626 sts = FIELD_GET(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
1627 pc->cap);
1628 snd_dim = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
1629 vc->cap);
1630 bf->nrow = min_t(u8, min_t(u8, snd_dim, sts), tx_ant);
1631 bf->ncol = min_t(u8, nss_mcs, bf->nrow);
1632 bf->ibf_ncol = min_t(u8, MT7996_IBF_MAX_NC, bf->ncol);
1633
1634 if (link_sta->bandwidth == IEEE80211_STA_RX_BW_160)
1635 bf->nrow = 1;
1636 } else {
1637 bf->nrow = tx_ant;
1638 bf->ncol = min_t(u8, nss_mcs, bf->nrow);
1639 bf->ibf_ncol = min_t(u8, MT7996_IBF_MAX_NC, nss_mcs);
1640
1641 if (link_sta->bandwidth == IEEE80211_STA_RX_BW_160)
1642 bf->ibf_nrow = 1;
1643 }
1644 }
1645
1646 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)1647 mt7996_mcu_sta_bfer_he(struct ieee80211_link_sta *link_sta,
1648 struct ieee80211_vif *vif, struct mt7996_phy *phy,
1649 struct sta_rec_bf *bf, bool explicit)
1650 {
1651 struct ieee80211_sta_he_cap *pc = &link_sta->he_cap;
1652 struct ieee80211_he_cap_elem *pe = &pc->he_cap_elem;
1653 const struct ieee80211_sta_he_cap *vc =
1654 mt76_connac_get_he_phy_cap(phy->mt76, vif);
1655 const struct ieee80211_he_cap_elem *ve = &vc->he_cap_elem;
1656 u16 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80);
1657 u8 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map);
1658 u8 snd_dim, sts;
1659
1660 if (!vc)
1661 return;
1662
1663 bf->tx_mode = MT_PHY_TYPE_HE_SU;
1664
1665 mt7996_mcu_sta_sounding_rate(bf, phy);
1666
1667 bf->trigger_su = HE_PHY(CAP6_TRIG_SU_BEAMFORMING_FB,
1668 pe->phy_cap_info[6]);
1669 bf->trigger_mu = HE_PHY(CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB,
1670 pe->phy_cap_info[6]);
1671 snd_dim = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
1672 ve->phy_cap_info[5]);
1673 sts = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK,
1674 pe->phy_cap_info[4]);
1675 bf->nrow = min_t(u8, snd_dim, sts);
1676 bf->ncol = min_t(u8, nss_mcs, bf->nrow);
1677 bf->ibf_ncol = explicit ? min_t(u8, MT7996_IBF_MAX_NC, bf->ncol) :
1678 min_t(u8, MT7996_IBF_MAX_NC, nss_mcs);
1679
1680 if (link_sta->bandwidth != IEEE80211_STA_RX_BW_160)
1681 return;
1682
1683 /* go over for 160MHz and 80p80 */
1684 if (pe->phy_cap_info[0] &
1685 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
1686 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_160);
1687 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map);
1688
1689 bf->ncol_gt_bw80 = nss_mcs;
1690 }
1691
1692 if (pe->phy_cap_info[0] &
1693 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
1694 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80p80);
1695 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map);
1696
1697 if (bf->ncol_gt_bw80)
1698 bf->ncol_gt_bw80 = min_t(u8, bf->ncol_gt_bw80, nss_mcs);
1699 else
1700 bf->ncol_gt_bw80 = nss_mcs;
1701 }
1702
1703 snd_dim = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
1704 ve->phy_cap_info[5]);
1705 sts = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK,
1706 pe->phy_cap_info[4]);
1707
1708 bf->nrow_gt_bw80 = min_t(int, snd_dim, sts);
1709 }
1710
1711 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)1712 mt7996_mcu_sta_bfer_eht(struct ieee80211_link_sta *link_sta,
1713 struct ieee80211_vif *vif, struct mt7996_phy *phy,
1714 struct sta_rec_bf *bf, bool explicit)
1715 {
1716 struct ieee80211_sta_eht_cap *pc = &link_sta->eht_cap;
1717 struct ieee80211_eht_cap_elem_fixed *pe = &pc->eht_cap_elem;
1718 struct ieee80211_eht_mcs_nss_supp *eht_nss = &pc->eht_mcs_nss_supp;
1719 const struct ieee80211_sta_eht_cap *vc =
1720 mt76_connac_get_eht_phy_cap(phy->mt76, vif);
1721 const struct ieee80211_eht_cap_elem_fixed *ve = &vc->eht_cap_elem;
1722 u8 nss_mcs = u8_get_bits(eht_nss->bw._80.rx_tx_mcs9_max_nss,
1723 IEEE80211_EHT_MCS_NSS_RX) - 1;
1724 u8 snd_dim, sts;
1725
1726 bf->tx_mode = MT_PHY_TYPE_EHT_MU;
1727
1728 mt7996_mcu_sta_sounding_rate(bf, phy);
1729
1730 bf->trigger_su = EHT_PHY(CAP3_TRIG_SU_BF_FDBK, pe->phy_cap_info[3]);
1731 bf->trigger_mu = EHT_PHY(CAP3_TRIG_MU_BF_PART_BW_FDBK, pe->phy_cap_info[3]);
1732 snd_dim = EHT_PHY(CAP2_SOUNDING_DIM_80MHZ_MASK, ve->phy_cap_info[2]);
1733 sts = EHT_PHY(CAP0_BEAMFORMEE_SS_80MHZ_MASK, pe->phy_cap_info[0]) +
1734 (EHT_PHY(CAP1_BEAMFORMEE_SS_80MHZ_MASK, pe->phy_cap_info[1]) << 1);
1735 bf->nrow = min_t(u8, snd_dim, sts);
1736 bf->ncol = min_t(u8, nss_mcs, bf->nrow);
1737 bf->ibf_ncol = explicit ? min_t(u8, MT7996_IBF_MAX_NC, bf->ncol) :
1738 min_t(u8, MT7996_IBF_MAX_NC, nss_mcs);
1739
1740 if (link_sta->bandwidth < IEEE80211_STA_RX_BW_160)
1741 return;
1742
1743 switch (link_sta->bandwidth) {
1744 case IEEE80211_STA_RX_BW_160:
1745 snd_dim = EHT_PHY(CAP2_SOUNDING_DIM_160MHZ_MASK, ve->phy_cap_info[2]);
1746 sts = EHT_PHY(CAP1_BEAMFORMEE_SS_160MHZ_MASK, pe->phy_cap_info[1]);
1747 nss_mcs = u8_get_bits(eht_nss->bw._160.rx_tx_mcs9_max_nss,
1748 IEEE80211_EHT_MCS_NSS_RX) - 1;
1749
1750 bf->nrow_gt_bw80 = min_t(u8, snd_dim, sts);
1751 bf->ncol_gt_bw80 = nss_mcs;
1752 break;
1753 case IEEE80211_STA_RX_BW_320:
1754 snd_dim = EHT_PHY(CAP2_SOUNDING_DIM_320MHZ_MASK, ve->phy_cap_info[2]) +
1755 (EHT_PHY(CAP3_SOUNDING_DIM_320MHZ_MASK,
1756 ve->phy_cap_info[3]) << 1);
1757 sts = EHT_PHY(CAP1_BEAMFORMEE_SS_320MHZ_MASK, pe->phy_cap_info[1]);
1758 nss_mcs = u8_get_bits(eht_nss->bw._320.rx_tx_mcs9_max_nss,
1759 IEEE80211_EHT_MCS_NSS_RX) - 1;
1760
1761 bf->nrow_gt_bw80 = min_t(u8, snd_dim, sts) << 4;
1762 bf->ncol_gt_bw80 = nss_mcs << 4;
1763 break;
1764 default:
1765 break;
1766 }
1767 }
1768
1769 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)1770 mt7996_mcu_sta_bfer_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
1771 struct ieee80211_bss_conf *link_conf,
1772 struct ieee80211_link_sta *link_sta,
1773 struct mt7996_vif_link *link)
1774 {
1775 #define EBF_MODE BIT(0)
1776 #define IBF_MODE BIT(1)
1777 #define BF_MAT_ORDER 4
1778 struct ieee80211_vif *vif = link_conf->vif;
1779 struct mt7996_phy *phy = link->phy;
1780 int tx_ant = hweight16(phy->mt76->chainmask) - 1;
1781 struct sta_rec_bf *bf;
1782 struct tlv *tlv;
1783 static const u8 matrix[BF_MAT_ORDER][BF_MAT_ORDER] = {
1784 {0, 0, 0, 0},
1785 {1, 1, 0, 0}, /* 2x1, 2x2, 2x3, 2x4 */
1786 {2, 4, 4, 0}, /* 3x1, 3x2, 3x3, 3x4 */
1787 {3, 5, 6, 0} /* 4x1, 4x2, 4x3, 4x4 */
1788 };
1789 bool ebf;
1790
1791 if (!(link_sta->ht_cap.ht_supported || link_sta->he_cap.has_he))
1792 return;
1793
1794 ebf = mt7996_is_ebf_supported(phy, link_conf, link_sta, false);
1795 if (!ebf && !dev->ibf)
1796 return;
1797
1798 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BF, sizeof(*bf));
1799 bf = (struct sta_rec_bf *)tlv;
1800
1801 /* he/eht: eBF only, except mt7992 that has 5T on 5GHz also supports iBF
1802 * vht: support eBF and iBF
1803 * ht: iBF only, since mac80211 lacks of eBF support
1804 */
1805 if (link_sta->eht_cap.has_eht)
1806 mt7996_mcu_sta_bfer_eht(link_sta, vif, link->phy, bf, ebf);
1807 else if (link_sta->he_cap.has_he)
1808 mt7996_mcu_sta_bfer_he(link_sta, vif, link->phy, bf, ebf);
1809 else if (link_sta->vht_cap.vht_supported)
1810 mt7996_mcu_sta_bfer_vht(link_sta, link->phy, bf, ebf);
1811 else if (link_sta->ht_cap.ht_supported)
1812 mt7996_mcu_sta_bfer_ht(link_sta, link->phy, bf, ebf);
1813 else
1814 return;
1815
1816 bf->bf_cap = ebf ? EBF_MODE : (dev->ibf ? IBF_MODE : 0);
1817 if (is_mt7992(&dev->mt76) && tx_ant == 4)
1818 bf->bf_cap |= IBF_MODE;
1819
1820 bf->bw = link_sta->bandwidth;
1821 bf->ibf_dbw = link_sta->bandwidth;
1822 bf->ibf_nrow = tx_ant;
1823
1824 if (link_sta->eht_cap.has_eht || link_sta->he_cap.has_he)
1825 bf->ibf_timeout = is_mt7996(&dev->mt76) ? MT7996_IBF_TIMEOUT :
1826 MT7992_IBF_TIMEOUT;
1827 else if (!ebf && link_sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->ncol)
1828 bf->ibf_timeout = MT7996_IBF_TIMEOUT_LEGACY;
1829 else
1830 bf->ibf_timeout = MT7996_IBF_TIMEOUT;
1831
1832 if (bf->ncol < BF_MAT_ORDER) {
1833 if (ebf)
1834 bf->mem_20m = tx_ant < BF_MAT_ORDER ?
1835 matrix[tx_ant][bf->ncol] : 0;
1836 else
1837 bf->mem_20m = bf->nrow < BF_MAT_ORDER ?
1838 matrix[bf->nrow][bf->ncol] : 0;
1839 }
1840 }
1841
1842 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)1843 mt7996_mcu_sta_bfee_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
1844 struct ieee80211_bss_conf *link_conf,
1845 struct ieee80211_link_sta *link_sta,
1846 struct mt7996_vif_link *link)
1847 {
1848 struct mt7996_phy *phy = link->phy;
1849 int tx_ant = hweight8(phy->mt76->antenna_mask) - 1;
1850 struct sta_rec_bfee *bfee;
1851 struct tlv *tlv;
1852 u8 nrow = 0;
1853
1854 if (!(link_sta->vht_cap.vht_supported || link_sta->he_cap.has_he))
1855 return;
1856
1857 if (!mt7996_is_ebf_supported(phy, link_conf, link_sta, true))
1858 return;
1859
1860 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BFEE, sizeof(*bfee));
1861 bfee = (struct sta_rec_bfee *)tlv;
1862
1863 if (link_sta->he_cap.has_he) {
1864 struct ieee80211_he_cap_elem *pe = &link_sta->he_cap.he_cap_elem;
1865
1866 nrow = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
1867 pe->phy_cap_info[5]);
1868 } else if (link_sta->vht_cap.vht_supported) {
1869 struct ieee80211_sta_vht_cap *pc = &link_sta->vht_cap;
1870
1871 nrow = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
1872 pc->cap);
1873 }
1874
1875 /* reply with identity matrix to avoid 2x2 BF negative gain */
1876 bfee->fb_identity_matrix = (nrow == 1 && tx_ant == 2);
1877 }
1878
1879 static void
mt7996_mcu_sta_tx_proc_tlv(struct sk_buff * skb)1880 mt7996_mcu_sta_tx_proc_tlv(struct sk_buff *skb)
1881 {
1882 struct sta_rec_tx_proc *tx_proc;
1883 struct tlv *tlv;
1884
1885 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_TX_PROC, sizeof(*tx_proc));
1886
1887 tx_proc = (struct sta_rec_tx_proc *)tlv;
1888 tx_proc->flag = cpu_to_le32(0);
1889 }
1890
1891 static void
mt7996_mcu_sta_hdrt_tlv(struct mt7996_dev * dev,struct sk_buff * skb)1892 mt7996_mcu_sta_hdrt_tlv(struct mt7996_dev *dev, struct sk_buff *skb)
1893 {
1894 struct sta_rec_hdrt *hdrt;
1895 struct tlv *tlv;
1896
1897 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HDRT, sizeof(*hdrt));
1898
1899 hdrt = (struct sta_rec_hdrt *)tlv;
1900 hdrt->hdrt_mode = 1;
1901 }
1902
1903 static void
mt7996_mcu_sta_hdr_trans_tlv(struct mt7996_dev * dev,struct sk_buff * skb,struct ieee80211_vif * vif,struct mt76_wcid * wcid)1904 mt7996_mcu_sta_hdr_trans_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
1905 struct ieee80211_vif *vif, struct mt76_wcid *wcid)
1906 {
1907 struct sta_rec_hdr_trans *hdr_trans;
1908 struct tlv *tlv;
1909
1910 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HDR_TRANS, sizeof(*hdr_trans));
1911 hdr_trans = (struct sta_rec_hdr_trans *)tlv;
1912 hdr_trans->dis_rx_hdr_tran = true;
1913
1914 if (vif->type == NL80211_IFTYPE_STATION)
1915 hdr_trans->to_ds = true;
1916 else
1917 hdr_trans->from_ds = true;
1918
1919 if (!wcid)
1920 return;
1921
1922 hdr_trans->dis_rx_hdr_tran = !test_bit(MT_WCID_FLAG_HDR_TRANS, &wcid->flags);
1923 if (test_bit(MT_WCID_FLAG_4ADDR, &wcid->flags)) {
1924 hdr_trans->to_ds = true;
1925 hdr_trans->from_ds = true;
1926 }
1927
1928 if (vif->type == NL80211_IFTYPE_MESH_POINT) {
1929 hdr_trans->to_ds = true;
1930 hdr_trans->from_ds = true;
1931 hdr_trans->mesh = true;
1932 }
1933 }
1934
1935 static enum mcu_mmps_mode
mt7996_mcu_get_mmps_mode(enum ieee80211_smps_mode smps)1936 mt7996_mcu_get_mmps_mode(enum ieee80211_smps_mode smps)
1937 {
1938 switch (smps) {
1939 case IEEE80211_SMPS_OFF:
1940 return MCU_MMPS_DISABLE;
1941 case IEEE80211_SMPS_STATIC:
1942 return MCU_MMPS_STATIC;
1943 case IEEE80211_SMPS_DYNAMIC:
1944 return MCU_MMPS_DYNAMIC;
1945 default:
1946 return MCU_MMPS_DISABLE;
1947 }
1948 }
1949
mt7996_mcu_set_fixed_rate_ctrl(struct mt7996_dev * dev,void * data,u16 version)1950 int mt7996_mcu_set_fixed_rate_ctrl(struct mt7996_dev *dev,
1951 void *data, u16 version)
1952 {
1953 struct uni_header hdr = {};
1954 struct ra_fixed_rate *req;
1955 struct sk_buff *skb;
1956 struct tlv *tlv;
1957 int len;
1958
1959 len = sizeof(hdr) + sizeof(*req);
1960
1961 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
1962 if (!skb)
1963 return -ENOMEM;
1964
1965 skb_put_data(skb, &hdr, sizeof(hdr));
1966
1967 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_RA_FIXED_RATE, sizeof(*req));
1968 req = (struct ra_fixed_rate *)tlv;
1969 req->version = cpu_to_le16(version);
1970 memcpy(&req->rate, data, sizeof(req->rate));
1971
1972 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
1973 MCU_WM_UNI_CMD(RA), true);
1974 }
1975
mt7996_mcu_set_fixed_field(struct mt7996_dev * dev,struct mt7996_sta * msta,void * data,u8 link_id,u32 field)1976 int mt7996_mcu_set_fixed_field(struct mt7996_dev *dev, struct mt7996_sta *msta,
1977 void *data, u8 link_id, u32 field)
1978 {
1979 struct mt7996_vif *mvif = msta->vif;
1980 struct mt7996_sta_link *msta_link;
1981 struct sta_rec_ra_fixed_uni *ra;
1982 struct sta_phy_uni *phy = data;
1983 struct mt76_vif_link *mlink;
1984 struct sk_buff *skb;
1985 int err = -ENODEV;
1986 struct tlv *tlv;
1987
1988 rcu_read_lock();
1989
1990 mlink = rcu_dereference(mvif->mt76.link[link_id]);
1991 if (!mlink)
1992 goto error_unlock;
1993
1994 msta_link = rcu_dereference(msta->link[link_id]);
1995 if (!msta_link)
1996 goto error_unlock;
1997
1998 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, mlink,
1999 &msta_link->wcid,
2000 MT7996_STA_UPDATE_MAX_SIZE);
2001 if (IS_ERR(skb)) {
2002 err = PTR_ERR(skb);
2003 goto error_unlock;
2004 }
2005
2006 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra));
2007 ra = (struct sta_rec_ra_fixed_uni *)tlv;
2008
2009 switch (field) {
2010 case RATE_PARAM_AUTO:
2011 break;
2012 case RATE_PARAM_FIXED:
2013 case RATE_PARAM_FIXED_MCS:
2014 case RATE_PARAM_FIXED_GI:
2015 case RATE_PARAM_FIXED_HE_LTF:
2016 if (phy)
2017 ra->phy = *phy;
2018 break;
2019 case RATE_PARAM_MMPS_UPDATE: {
2020 struct ieee80211_sta *sta = wcid_to_sta(&msta_link->wcid);
2021 struct ieee80211_link_sta *link_sta;
2022
2023 link_sta = rcu_dereference(sta->link[link_id]);
2024 if (!link_sta) {
2025 dev_kfree_skb(skb);
2026 goto error_unlock;
2027 }
2028
2029 ra->mmps_mode = mt7996_mcu_get_mmps_mode(link_sta->smps_mode);
2030 break;
2031 }
2032 default:
2033 break;
2034 }
2035 ra->field = cpu_to_le32(field);
2036
2037 rcu_read_unlock();
2038
2039 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
2040 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
2041 error_unlock:
2042 rcu_read_unlock();
2043
2044 return err;
2045 }
2046
2047 static int
mt7996_mcu_add_rate_ctrl_fixed(struct mt7996_dev * dev,struct mt7996_sta * msta,struct ieee80211_vif * vif,u8 link_id)2048 mt7996_mcu_add_rate_ctrl_fixed(struct mt7996_dev *dev, struct mt7996_sta *msta,
2049 struct ieee80211_vif *vif, u8 link_id)
2050 {
2051 struct ieee80211_link_sta *link_sta;
2052 struct cfg80211_bitrate_mask mask;
2053 struct mt7996_sta_link *msta_link;
2054 struct mt7996_vif_link *link;
2055 struct sta_phy_uni phy = {};
2056 struct ieee80211_sta *sta;
2057 int ret, nrates = 0, idx;
2058 enum nl80211_band band;
2059 bool has_he;
2060
2061 #define __sta_phy_bitrate_mask_check(_mcs, _gi, _ht, _he) \
2062 do { \
2063 u8 i, gi = mask.control[band]._gi; \
2064 gi = (_he) ? gi : gi == NL80211_TXRATE_FORCE_SGI; \
2065 phy.sgi = gi; \
2066 phy.he_ltf = mask.control[band].he_ltf; \
2067 for (i = 0; i < ARRAY_SIZE(mask.control[band]._mcs); i++) { \
2068 if (!mask.control[band]._mcs[i]) \
2069 continue; \
2070 nrates += hweight16(mask.control[band]._mcs[i]); \
2071 phy.mcs = ffs(mask.control[band]._mcs[i]) - 1; \
2072 if (_ht) \
2073 phy.mcs += 8 * i; \
2074 } \
2075 } while (0)
2076
2077 rcu_read_lock();
2078
2079 link = mt7996_vif_link(dev, vif, link_id);
2080 if (!link)
2081 goto error_unlock;
2082
2083 msta_link = rcu_dereference(msta->link[link_id]);
2084 if (!msta_link)
2085 goto error_unlock;
2086
2087 sta = wcid_to_sta(&msta_link->wcid);
2088 link_sta = rcu_dereference(sta->link[link_id]);
2089 if (!link_sta)
2090 goto error_unlock;
2091
2092 band = link->phy->mt76->chandef.chan->band;
2093 has_he = link_sta->he_cap.has_he;
2094 mask = link->bitrate_mask;
2095 idx = msta_link->wcid.idx;
2096
2097 if (has_he) {
2098 __sta_phy_bitrate_mask_check(he_mcs, he_gi, 0, 1);
2099 } else if (link_sta->vht_cap.vht_supported) {
2100 __sta_phy_bitrate_mask_check(vht_mcs, gi, 0, 0);
2101 } else if (link_sta->ht_cap.ht_supported) {
2102 __sta_phy_bitrate_mask_check(ht_mcs, gi, 1, 0);
2103 } else {
2104 nrates = hweight32(mask.control[band].legacy);
2105 phy.mcs = ffs(mask.control[band].legacy) - 1;
2106 }
2107
2108 rcu_read_unlock();
2109
2110 #undef __sta_phy_bitrate_mask_check
2111
2112 /* fall back to auto rate control */
2113 if (mask.control[band].gi == NL80211_TXRATE_DEFAULT_GI &&
2114 mask.control[band].he_gi == GENMASK(7, 0) &&
2115 mask.control[band].he_ltf == GENMASK(7, 0) &&
2116 nrates != 1)
2117 return 0;
2118
2119 /* fixed single rate */
2120 if (nrates == 1) {
2121 ret = mt7996_mcu_set_fixed_field(dev, msta, &phy, link_id,
2122 RATE_PARAM_FIXED_MCS);
2123 if (ret)
2124 return ret;
2125 }
2126
2127 /* fixed GI */
2128 if (mask.control[band].gi != NL80211_TXRATE_DEFAULT_GI ||
2129 mask.control[band].he_gi != GENMASK(7, 0)) {
2130 u32 addr;
2131
2132 /* firmware updates only TXCMD but doesn't take WTBL into
2133 * account, so driver should update here to reflect the
2134 * actual txrate hardware sends out.
2135 */
2136 addr = mt7996_mac_wtbl_lmac_addr(dev, idx, 7);
2137 if (has_he)
2138 mt76_rmw_field(dev, addr, GENMASK(31, 24), phy.sgi);
2139 else
2140 mt76_rmw_field(dev, addr, GENMASK(15, 12), phy.sgi);
2141
2142 ret = mt7996_mcu_set_fixed_field(dev, msta, &phy, link_id,
2143 RATE_PARAM_FIXED_GI);
2144 if (ret)
2145 return ret;
2146 }
2147
2148 /* fixed HE_LTF */
2149 if (mask.control[band].he_ltf != GENMASK(7, 0)) {
2150 ret = mt7996_mcu_set_fixed_field(dev, msta, &phy, link_id,
2151 RATE_PARAM_FIXED_HE_LTF);
2152 if (ret)
2153 return ret;
2154 }
2155
2156 return 0;
2157
2158 error_unlock:
2159 rcu_read_unlock();
2160
2161 return -ENODEV;
2162 }
2163
2164 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)2165 mt7996_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7996_dev *dev,
2166 struct ieee80211_vif *vif,
2167 struct ieee80211_bss_conf *link_conf,
2168 struct ieee80211_link_sta *link_sta,
2169 struct mt7996_vif_link *link)
2170 {
2171 #define INIT_RCPI 180
2172 struct mt76_phy *mphy = link->phy->mt76;
2173 struct cfg80211_chan_def *chandef = &mphy->chandef;
2174 struct cfg80211_bitrate_mask *mask = &link->bitrate_mask;
2175 u32 cap = link_sta->sta->wme ? STA_CAP_WMM : 0;
2176 enum nl80211_band band = chandef->chan->band;
2177 struct sta_rec_ra_uni *ra;
2178 struct tlv *tlv;
2179 u32 supp_rate = link_sta->supp_rates[band];
2180
2181 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra));
2182 ra = (struct sta_rec_ra_uni *)tlv;
2183
2184 ra->valid = true;
2185 ra->auto_rate = true;
2186 ra->phy_mode = mt76_connac_get_phy_mode(mphy, vif, band, link_sta);
2187 ra->channel = chandef->chan->hw_value;
2188 ra->bw = (link_sta->bandwidth == IEEE80211_STA_RX_BW_320) ?
2189 CMD_CBW_320MHZ : link_sta->bandwidth;
2190 ra->phy.bw = ra->bw;
2191 ra->mmps_mode = mt7996_mcu_get_mmps_mode(link_sta->smps_mode);
2192
2193 if (supp_rate) {
2194 supp_rate &= mask->control[band].legacy;
2195 ra->rate_len = hweight32(supp_rate);
2196
2197 if (band == NL80211_BAND_2GHZ) {
2198 ra->supp_mode = MODE_CCK;
2199 ra->supp_cck_rate = supp_rate & GENMASK(3, 0);
2200
2201 if (ra->rate_len > 4) {
2202 ra->supp_mode |= MODE_OFDM;
2203 ra->supp_ofdm_rate = supp_rate >> 4;
2204 }
2205 } else {
2206 ra->supp_mode = MODE_OFDM;
2207 ra->supp_ofdm_rate = supp_rate;
2208 }
2209 }
2210
2211 if (link_sta->ht_cap.ht_supported) {
2212 ra->supp_mode |= MODE_HT;
2213 ra->af = link_sta->ht_cap.ampdu_factor;
2214 ra->ht_gf = !!(link_sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD);
2215
2216 cap |= STA_CAP_HT;
2217 if (link_sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
2218 cap |= STA_CAP_SGI_20;
2219 if (link_sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
2220 cap |= STA_CAP_SGI_40;
2221 if (link_sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC)
2222 cap |= STA_CAP_TX_STBC;
2223 if (link_sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
2224 cap |= STA_CAP_RX_STBC;
2225 if (link_conf->ht_ldpc &&
2226 (link_sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING))
2227 cap |= STA_CAP_LDPC;
2228
2229 mt7996_mcu_set_sta_ht_mcs(link_sta, ra->ht_mcs,
2230 mask->control[band].ht_mcs);
2231 ra->supp_ht_mcs = *(__le32 *)ra->ht_mcs;
2232 }
2233
2234 if (link_sta->vht_cap.vht_supported) {
2235 u8 af;
2236
2237 ra->supp_mode |= MODE_VHT;
2238 af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
2239 link_sta->vht_cap.cap);
2240 ra->af = max_t(u8, ra->af, af);
2241
2242 cap |= STA_CAP_VHT;
2243 if (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
2244 cap |= STA_CAP_VHT_SGI_80;
2245 if (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
2246 cap |= STA_CAP_VHT_SGI_160;
2247 if (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC)
2248 cap |= STA_CAP_VHT_TX_STBC;
2249 if (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_1)
2250 cap |= STA_CAP_VHT_RX_STBC;
2251 if ((vif->type != NL80211_IFTYPE_AP || link_conf->vht_ldpc) &&
2252 (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC))
2253 cap |= STA_CAP_VHT_LDPC;
2254
2255 mt7996_mcu_set_sta_vht_mcs(link_sta, ra->supp_vht_mcs,
2256 mask->control[band].vht_mcs);
2257 }
2258
2259 if (link_sta->he_cap.has_he) {
2260 ra->supp_mode |= MODE_HE;
2261 cap |= STA_CAP_HE;
2262
2263 if (link_sta->he_6ghz_capa.capa)
2264 ra->af = le16_get_bits(link_sta->he_6ghz_capa.capa,
2265 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
2266 }
2267 ra->sta_cap = cpu_to_le32(cap);
2268
2269 memset(ra->rx_rcpi, INIT_RCPI, sizeof(ra->rx_rcpi));
2270 }
2271
mt7996_mcu_add_rate_ctrl(struct mt7996_dev * dev,struct mt7996_sta * msta,struct ieee80211_vif * vif,u8 link_id,bool changed)2272 int mt7996_mcu_add_rate_ctrl(struct mt7996_dev *dev, struct mt7996_sta *msta,
2273 struct ieee80211_vif *vif, u8 link_id,
2274 bool changed)
2275 {
2276 struct ieee80211_bss_conf *link_conf;
2277 struct ieee80211_link_sta *link_sta;
2278 struct mt7996_sta_link *msta_link;
2279 struct mt7996_vif_link *link;
2280 struct ieee80211_sta *sta;
2281 struct sk_buff *skb;
2282 int ret = -ENODEV;
2283
2284 rcu_read_lock();
2285
2286 link = mt7996_vif_link(dev, vif, link_id);
2287 if (!link)
2288 goto error_unlock;
2289
2290 msta_link = rcu_dereference(msta->link[link_id]);
2291 if (!msta_link)
2292 goto error_unlock;
2293
2294 sta = wcid_to_sta(&msta_link->wcid);
2295 link_sta = rcu_dereference(sta->link[link_id]);
2296 if (!link_sta)
2297 goto error_unlock;
2298
2299 link_conf = rcu_dereference(vif->link_conf[link_id]);
2300 if (!link_conf)
2301 goto error_unlock;
2302
2303 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76,
2304 &msta_link->wcid,
2305 MT7996_STA_UPDATE_MAX_SIZE);
2306 if (IS_ERR(skb)) {
2307 ret = PTR_ERR(skb);
2308 goto error_unlock;
2309 }
2310
2311 /* firmware rc algorithm refers to sta_rec_he for HE control.
2312 * once dev->rc_work changes the settings driver should also
2313 * update sta_rec_he here.
2314 */
2315 if (changed)
2316 mt7996_mcu_sta_he_tlv(skb, link_sta, link);
2317
2318 /* sta_rec_ra accommodates BW, NSS and only MCS range format
2319 * i.e 0-{7,8,9} for VHT.
2320 */
2321 mt7996_mcu_sta_rate_ctrl_tlv(skb, dev, vif, link_conf, link_sta, link);
2322
2323 rcu_read_unlock();
2324
2325 ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
2326 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
2327 if (ret)
2328 return ret;
2329
2330 return mt7996_mcu_add_rate_ctrl_fixed(dev, msta, vif, link_id);
2331
2332 error_unlock:
2333 rcu_read_unlock();
2334
2335 return ret;
2336 }
2337
2338 static int
mt7996_mcu_add_group(struct mt7996_dev * dev,struct mt7996_vif_link * link,struct mt76_wcid * wcid)2339 mt7996_mcu_add_group(struct mt7996_dev *dev, struct mt7996_vif_link *link,
2340 struct mt76_wcid *wcid)
2341 {
2342 #define MT_STA_BSS_GROUP 1
2343 struct {
2344 u8 __rsv1[4];
2345
2346 __le16 tag;
2347 __le16 len;
2348 __le16 wlan_idx;
2349 u8 __rsv2[2];
2350 __le32 action;
2351 __le32 val;
2352 u8 __rsv3[8];
2353 } __packed req = {
2354 .tag = cpu_to_le16(UNI_VOW_DRR_CTRL),
2355 .len = cpu_to_le16(sizeof(req) - 4),
2356 .action = cpu_to_le32(MT_STA_BSS_GROUP),
2357 .val = cpu_to_le32(link->mt76.idx % 16),
2358 .wlan_idx = cpu_to_le16(wcid->idx),
2359 };
2360
2361 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(VOW), &req,
2362 sizeof(req), true);
2363 }
2364
2365 static void
mt7996_mcu_sta_mld_setup_tlv(struct mt7996_dev * dev,struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_sta * sta)2366 mt7996_mcu_sta_mld_setup_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
2367 struct ieee80211_vif *vif,
2368 struct ieee80211_sta *sta)
2369 {
2370 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
2371 unsigned int nlinks = hweight16(sta->valid_links);
2372 struct mld_setup_link *mld_setup_link;
2373 struct ieee80211_link_sta *link_sta;
2374 struct sta_rec_mld_setup *mld_setup;
2375 struct mt7996_sta_link *msta_link;
2376 unsigned int link_id;
2377 struct tlv *tlv;
2378
2379 msta_link = mt76_dereference(msta->link[msta->deflink_id], &dev->mt76);
2380 if (!msta_link)
2381 return;
2382
2383 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_MLD,
2384 sizeof(struct sta_rec_mld_setup) +
2385 sizeof(struct mld_setup_link) * nlinks);
2386
2387 mld_setup = (struct sta_rec_mld_setup *)tlv;
2388 memcpy(mld_setup->mld_addr, sta->addr, ETH_ALEN);
2389 mld_setup->setup_wcid = cpu_to_le16(msta_link->wcid.idx);
2390 mld_setup->primary_id = cpu_to_le16(msta_link->wcid.idx);
2391
2392 if (nlinks > 1) {
2393 link_id = __ffs(sta->valid_links & ~BIT(msta->deflink_id));
2394 msta_link = mt76_dereference(msta->link[link_id], &dev->mt76);
2395 if (!msta_link)
2396 return;
2397 }
2398 mld_setup->seconed_id = cpu_to_le16(msta_link->wcid.idx);
2399 mld_setup->link_num = nlinks;
2400
2401 mld_setup_link = (struct mld_setup_link *)mld_setup->link_info;
2402 for_each_sta_active_link(vif, sta, link_sta, link_id) {
2403 struct mt7996_vif_link *link;
2404
2405 msta_link = mt76_dereference(msta->link[link_id], &dev->mt76);
2406 if (!msta_link)
2407 continue;
2408
2409 link = mt7996_vif_link(dev, vif, link_id);
2410 if (!link)
2411 continue;
2412
2413 mld_setup_link->wcid = cpu_to_le16(msta_link->wcid.idx);
2414 mld_setup_link->bss_idx = link->mt76.idx;
2415 mld_setup_link++;
2416 }
2417 }
2418
2419 static void
mt7996_mcu_sta_eht_mld_tlv(struct mt7996_dev * dev,struct sk_buff * skb,struct ieee80211_sta * sta)2420 mt7996_mcu_sta_eht_mld_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
2421 struct ieee80211_sta *sta)
2422 {
2423 struct sta_rec_eht_mld *eht_mld;
2424 struct tlv *tlv;
2425 int i;
2426
2427 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_EHT_MLD, sizeof(*eht_mld));
2428 eht_mld = (struct sta_rec_eht_mld *)tlv;
2429
2430 for (i = 0; i < ARRAY_SIZE(eht_mld->str_cap); i++)
2431 eht_mld->str_cap[i] = 0x7;
2432 }
2433
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)2434 int mt7996_mcu_add_sta(struct mt7996_dev *dev,
2435 struct ieee80211_bss_conf *link_conf,
2436 struct ieee80211_link_sta *link_sta,
2437 struct mt7996_vif_link *link,
2438 struct mt7996_sta_link *msta_link,
2439 int conn_state, bool newly)
2440 {
2441 struct mt76_wcid *wcid = msta_link ? &msta_link->wcid : link->mt76.wcid;
2442 struct ieee80211_sta *sta = link_sta ? link_sta->sta : NULL;
2443 struct sk_buff *skb;
2444 int ret;
2445
2446 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76, wcid,
2447 MT7996_STA_UPDATE_MAX_SIZE);
2448 if (IS_ERR(skb))
2449 return PTR_ERR(skb);
2450
2451 /* starec basic */
2452 mt76_connac_mcu_sta_basic_tlv(&dev->mt76, skb, link_conf, link_sta,
2453 conn_state, newly);
2454
2455 if (conn_state == CONN_STATE_DISCONNECT)
2456 goto out;
2457
2458 /* starec hdr trans */
2459 mt7996_mcu_sta_hdr_trans_tlv(dev, skb, link_conf->vif, wcid);
2460 /* starec tx proc */
2461 mt7996_mcu_sta_tx_proc_tlv(skb);
2462
2463 /* tag order is in accordance with firmware dependency. */
2464 if (link_sta) {
2465 /* starec hdrt mode */
2466 mt7996_mcu_sta_hdrt_tlv(dev, skb);
2467 if (conn_state == CONN_STATE_CONNECT) {
2468 /* starec bfer */
2469 mt7996_mcu_sta_bfer_tlv(dev, skb, link_conf, link_sta,
2470 link);
2471 /* starec bfee */
2472 mt7996_mcu_sta_bfee_tlv(dev, skb, link_conf, link_sta,
2473 link);
2474 }
2475 /* starec ht */
2476 mt7996_mcu_sta_ht_tlv(skb, link_sta);
2477 /* starec vht */
2478 mt7996_mcu_sta_vht_tlv(skb, link_sta);
2479 /* starec uapsd */
2480 mt76_connac_mcu_sta_uapsd(skb, link_conf->vif, sta);
2481 /* starec amsdu */
2482 mt7996_mcu_sta_amsdu_tlv(dev, skb, link_conf->vif, link_sta,
2483 msta_link);
2484 /* starec he */
2485 mt7996_mcu_sta_he_tlv(skb, link_sta, link);
2486 /* starec he 6g*/
2487 mt7996_mcu_sta_he_6g_tlv(skb, link_sta);
2488 /* starec eht */
2489 mt7996_mcu_sta_eht_tlv(skb, link_sta);
2490 /* starec muru */
2491 mt7996_mcu_sta_muru_tlv(dev, skb, link_conf, link_sta);
2492
2493 if (sta->mlo) {
2494 mt7996_mcu_sta_mld_setup_tlv(dev, skb, link_conf->vif,
2495 sta);
2496 mt7996_mcu_sta_eht_mld_tlv(dev, skb, sta);
2497 }
2498 }
2499
2500 ret = mt7996_mcu_add_group(dev, link, wcid);
2501 if (ret) {
2502 dev_kfree_skb(skb);
2503 return ret;
2504 }
2505 out:
2506 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
2507 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
2508 }
2509
mt7996_mcu_teardown_mld_sta(struct mt7996_dev * dev,struct mt7996_vif_link * link,struct mt7996_sta_link * msta_link)2510 int mt7996_mcu_teardown_mld_sta(struct mt7996_dev *dev,
2511 struct mt7996_vif_link *link,
2512 struct mt7996_sta_link *msta_link)
2513 {
2514 struct sk_buff *skb;
2515
2516 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76,
2517 &msta_link->wcid,
2518 MT7996_STA_UPDATE_MAX_SIZE);
2519 if (IS_ERR(skb))
2520 return PTR_ERR(skb);
2521
2522 mt76_connac_mcu_add_tlv(skb, STA_REC_MLD_OFF, sizeof(struct tlv));
2523
2524 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
2525 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
2526 }
2527
2528 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)2529 mt7996_mcu_sta_key_tlv(struct mt76_wcid *wcid,
2530 struct sk_buff *skb,
2531 struct ieee80211_key_conf *key,
2532 enum set_key_cmd cmd)
2533 {
2534 struct sta_rec_sec_uni *sec;
2535 struct sec_key_uni *sec_key;
2536 struct tlv *tlv;
2537 u8 cipher;
2538
2539 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec));
2540 sec = (struct sta_rec_sec_uni *)tlv;
2541 sec->add = 0;
2542 sec->n_cipher = 1;
2543 sec_key = &sec->key[0];
2544 sec_key->wlan_idx = cpu_to_le16(wcid->idx);
2545 sec_key->key_id = key->keyidx;
2546
2547 if (cmd != SET_KEY)
2548 return 0;
2549
2550 cipher = mt76_connac_mcu_get_cipher(key->cipher);
2551 if (cipher == MCU_CIPHER_NONE)
2552 return -EOPNOTSUPP;
2553
2554 sec_key->mgmt_prot = 0;
2555 sec_key->cipher_id = cipher;
2556 sec_key->cipher_len = sizeof(*sec_key);
2557 sec_key->key_len = key->keylen;
2558 sec_key->need_resp = 0;
2559 memcpy(sec_key->key, key->key, key->keylen);
2560
2561 if (cipher == MCU_CIPHER_TKIP) {
2562 /* Rx/Tx MIC keys are swapped */
2563 memcpy(sec_key->key + 16, key->key + 24, 8);
2564 memcpy(sec_key->key + 24, key->key + 16, 8);
2565 return 0;
2566 }
2567
2568 if (sec_key->key_id != 6 && sec_key->key_id != 7)
2569 return 0;
2570
2571 switch (key->cipher) {
2572 case WLAN_CIPHER_SUITE_AES_CMAC:
2573 sec_key->cipher_id = MCU_CIPHER_BCN_PROT_CMAC_128;
2574 break;
2575 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
2576 sec_key->cipher_id = MCU_CIPHER_BCN_PROT_GMAC_128;
2577 break;
2578 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
2579 sec_key->cipher_id = MCU_CIPHER_BCN_PROT_GMAC_256;
2580 break;
2581 default:
2582 return -EOPNOTSUPP;
2583 }
2584
2585 sec_key->bcn_mode = BP_SW_MODE;
2586
2587 return 0;
2588 }
2589
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)2590 int mt7996_mcu_add_key(struct mt76_dev *dev, struct ieee80211_vif *vif,
2591 struct ieee80211_key_conf *key, int mcu_cmd,
2592 struct mt76_wcid *wcid, enum set_key_cmd cmd)
2593 {
2594 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
2595 struct sk_buff *skb;
2596 int ret;
2597
2598 skb = __mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid,
2599 MT7996_STA_UPDATE_MAX_SIZE);
2600 if (IS_ERR(skb))
2601 return PTR_ERR(skb);
2602
2603 ret = mt7996_mcu_sta_key_tlv(wcid, skb, key, cmd);
2604 if (ret) {
2605 dev_kfree_skb(skb);
2606 return ret;
2607 }
2608
2609 return mt76_mcu_skb_send_msg(dev, skb, mcu_cmd, true);
2610 }
2611
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)2612 int mt7996_mcu_add_dev_info(struct mt7996_phy *phy, struct ieee80211_vif *vif,
2613 struct ieee80211_bss_conf *link_conf,
2614 struct mt76_vif_link *mlink, bool enable)
2615 {
2616 struct mt7996_dev *dev = phy->dev;
2617 struct {
2618 struct req_hdr {
2619 u8 omac_idx;
2620 u8 band_idx;
2621 u8 __rsv[2];
2622 } __packed hdr;
2623 struct req_tlv {
2624 __le16 tag;
2625 __le16 len;
2626 u8 active;
2627 u8 __rsv;
2628 u8 omac_addr[ETH_ALEN];
2629 } __packed tlv;
2630 } data = {
2631 .hdr = {
2632 .omac_idx = mlink->omac_idx,
2633 .band_idx = mlink->band_idx,
2634 },
2635 .tlv = {
2636 .tag = cpu_to_le16(DEV_INFO_ACTIVE),
2637 .len = cpu_to_le16(sizeof(struct req_tlv)),
2638 .active = enable,
2639 },
2640 };
2641
2642 if (mlink->omac_idx >= REPEATER_BSSID_START)
2643 return mt7996_mcu_muar_config(dev, mlink, link_conf->addr, false, enable);
2644
2645 memcpy(data.tlv.omac_addr, link_conf->addr, ETH_ALEN);
2646 return mt76_mcu_send_msg(&dev->mt76, MCU_WMWA_UNI_CMD(DEV_INFO_UPDATE),
2647 &data, sizeof(data), true);
2648 }
2649
2650 static void
mt7996_mcu_beacon_cntdwn(struct sk_buff * rskb,struct sk_buff * skb,struct ieee80211_mutable_offsets * offs,bool csa)2651 mt7996_mcu_beacon_cntdwn(struct sk_buff *rskb, struct sk_buff *skb,
2652 struct ieee80211_mutable_offsets *offs,
2653 bool csa)
2654 {
2655 struct bss_bcn_cntdwn_tlv *info;
2656 struct tlv *tlv;
2657 u16 tag;
2658
2659 if (!offs->cntdwn_counter_offs[0])
2660 return;
2661
2662 tag = csa ? UNI_BSS_INFO_BCN_CSA : UNI_BSS_INFO_BCN_BCC;
2663
2664 tlv = mt7996_mcu_add_uni_tlv(rskb, tag, sizeof(*info));
2665
2666 info = (struct bss_bcn_cntdwn_tlv *)tlv;
2667 info->cnt = skb->data[offs->cntdwn_counter_offs[0]];
2668 }
2669
2670 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)2671 mt7996_mcu_beacon_mbss(struct sk_buff *rskb, struct sk_buff *skb,
2672 struct bss_bcn_content_tlv *bcn,
2673 struct ieee80211_mutable_offsets *offs)
2674 {
2675 struct bss_bcn_mbss_tlv *mbss;
2676 const struct element *elem;
2677 struct tlv *tlv;
2678
2679 tlv = mt7996_mcu_add_uni_tlv(rskb, UNI_BSS_INFO_BCN_MBSSID, sizeof(*mbss));
2680
2681 mbss = (struct bss_bcn_mbss_tlv *)tlv;
2682 mbss->offset[0] = cpu_to_le16(offs->tim_offset);
2683 mbss->bitmap = cpu_to_le32(1);
2684
2685 for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID,
2686 &skb->data[offs->mbssid_off],
2687 skb->len - offs->mbssid_off) {
2688 const struct element *sub_elem;
2689
2690 if (elem->datalen < 2)
2691 continue;
2692
2693 for_each_element(sub_elem, elem->data + 1, elem->datalen - 1) {
2694 const struct ieee80211_bssid_index *idx;
2695 const u8 *idx_ie;
2696
2697 /* not a valid BSS profile */
2698 if (sub_elem->id || sub_elem->datalen < 4)
2699 continue;
2700
2701 /* Find WLAN_EID_MULTI_BSSID_IDX
2702 * in the merged nontransmitted profile
2703 */
2704 idx_ie = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX,
2705 sub_elem->data, sub_elem->datalen);
2706 if (!idx_ie || idx_ie[1] < sizeof(*idx))
2707 continue;
2708
2709 idx = (void *)(idx_ie + 2);
2710 if (!idx->bssid_index || idx->bssid_index > 31)
2711 continue;
2712
2713 mbss->offset[idx->bssid_index] = cpu_to_le16(idx_ie -
2714 skb->data);
2715 mbss->bitmap |= cpu_to_le32(BIT(idx->bssid_index));
2716 }
2717 }
2718 }
2719
2720 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)2721 mt7996_mcu_beacon_cont(struct mt7996_dev *dev,
2722 struct ieee80211_bss_conf *link_conf,
2723 struct sk_buff *rskb, struct sk_buff *skb,
2724 struct bss_bcn_content_tlv *bcn,
2725 struct ieee80211_mutable_offsets *offs)
2726 {
2727 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
2728 u8 *buf;
2729
2730 bcn->pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
2731 bcn->tim_ie_pos = cpu_to_le16(offs->tim_offset);
2732
2733 if (offs->cntdwn_counter_offs[0]) {
2734 u16 offset = offs->cntdwn_counter_offs[0];
2735
2736 if (link_conf->csa_active)
2737 bcn->csa_ie_pos = cpu_to_le16(offset - 4);
2738 if (link_conf->color_change_active)
2739 bcn->bcc_ie_pos = cpu_to_le16(offset - 3);
2740 }
2741
2742 buf = (u8 *)bcn + sizeof(*bcn);
2743 mt7996_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, NULL, 0, 0,
2744 BSS_CHANGED_BEACON);
2745
2746 memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
2747 }
2748
mt7996_mcu_add_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,bool enabled)2749 int mt7996_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
2750 struct ieee80211_bss_conf *link_conf, bool enabled)
2751 {
2752 struct mt7996_dev *dev = mt7996_hw_dev(hw);
2753 struct mt7996_vif_link *link = mt7996_vif_conf_link(dev, vif, link_conf);
2754 struct mt76_vif_link *mlink = link ? &link->mt76 : NULL;
2755 struct ieee80211_mutable_offsets offs;
2756 struct ieee80211_tx_info *info;
2757 struct sk_buff *skb, *rskb;
2758 struct tlv *tlv;
2759 struct bss_bcn_content_tlv *bcn;
2760 int len, extra_len = 0;
2761
2762 if (link_conf->nontransmitted)
2763 return 0;
2764
2765 if (!mlink)
2766 return -EINVAL;
2767
2768 if (link->phy && link->phy->mt76->offchannel)
2769 enabled = false;
2770
2771 rskb = __mt7996_mcu_alloc_bss_req(&dev->mt76, mlink,
2772 MT7996_MAX_BSS_OFFLOAD_SIZE);
2773 if (IS_ERR(rskb))
2774 return PTR_ERR(rskb);
2775
2776 skb = ieee80211_beacon_get_template(hw, vif, &offs, link_conf->link_id);
2777 if (enabled && !skb) {
2778 dev_kfree_skb(rskb);
2779 return -EINVAL;
2780 }
2781
2782 if (skb) {
2783 if (skb->len > MT7996_MAX_BEACON_SIZE) {
2784 dev_err(dev->mt76.dev, "Bcn size limit exceed\n");
2785 dev_kfree_skb(rskb);
2786 dev_kfree_skb(skb);
2787 return -EINVAL;
2788 }
2789
2790 extra_len = skb->len;
2791 }
2792
2793 len = ALIGN(sizeof(*bcn) + MT_TXD_SIZE + extra_len, 4);
2794 tlv = mt7996_mcu_add_uni_tlv(rskb, UNI_BSS_INFO_BCN_CONTENT, len);
2795 bcn = (struct bss_bcn_content_tlv *)tlv;
2796 bcn->enable = enabled;
2797 if (!bcn->enable)
2798 goto out;
2799
2800 info = IEEE80211_SKB_CB(skb);
2801 info->hw_queue |= FIELD_PREP(MT_TX_HW_QUEUE_PHY, mlink->band_idx);
2802
2803 mt7996_mcu_beacon_cont(dev, link_conf, rskb, skb, bcn, &offs);
2804 if (link_conf->bssid_indicator)
2805 mt7996_mcu_beacon_mbss(rskb, skb, bcn, &offs);
2806 mt7996_mcu_beacon_cntdwn(rskb, skb, &offs, link_conf->csa_active);
2807 out:
2808 dev_kfree_skb(skb);
2809 return mt76_mcu_skb_send_msg(&dev->mt76, rskb,
2810 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
2811 }
2812
mt7996_mcu_beacon_inband_discov(struct mt7996_dev * dev,struct ieee80211_bss_conf * link_conf,struct mt7996_vif_link * link,u32 changed)2813 int mt7996_mcu_beacon_inband_discov(struct mt7996_dev *dev,
2814 struct ieee80211_bss_conf *link_conf,
2815 struct mt7996_vif_link *link, u32 changed)
2816 {
2817 #define OFFLOAD_TX_MODE_SU BIT(0)
2818 #define OFFLOAD_TX_MODE_MU BIT(1)
2819 struct ieee80211_vif *vif = link_conf->vif;
2820 struct ieee80211_hw *hw = mt76_hw(dev);
2821 struct mt7996_phy *phy = link->phy;
2822 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
2823 struct bss_inband_discovery_tlv *discov;
2824 struct ieee80211_tx_info *info;
2825 struct sk_buff *rskb, *skb = NULL;
2826 struct cfg80211_chan_def *chandef;
2827 enum nl80211_band band;
2828 struct tlv *tlv;
2829 u8 *buf, interval;
2830 int len;
2831
2832 if (!phy)
2833 return -EINVAL;
2834
2835 chandef = &phy->mt76->chandef;
2836 band = chandef->chan->band;
2837
2838 if (link_conf->nontransmitted)
2839 return 0;
2840
2841 rskb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &link->mt76,
2842 MT7996_MAX_BSS_OFFLOAD_SIZE);
2843 if (IS_ERR(rskb))
2844 return PTR_ERR(rskb);
2845
2846 if (changed & BSS_CHANGED_FILS_DISCOVERY &&
2847 link_conf->fils_discovery.max_interval) {
2848 interval = link_conf->fils_discovery.max_interval;
2849 skb = ieee80211_get_fils_discovery_tmpl(hw, vif);
2850 } else if (changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP &&
2851 link_conf->unsol_bcast_probe_resp_interval) {
2852 interval = link_conf->unsol_bcast_probe_resp_interval;
2853 skb = ieee80211_get_unsol_bcast_probe_resp_tmpl(hw, vif);
2854 }
2855
2856 if (!skb) {
2857 dev_kfree_skb(rskb);
2858 return -EINVAL;
2859 }
2860
2861 if (skb->len > MT7996_MAX_BEACON_SIZE) {
2862 dev_err(dev->mt76.dev, "inband discovery size limit exceed\n");
2863 dev_kfree_skb(rskb);
2864 dev_kfree_skb(skb);
2865 return -EINVAL;
2866 }
2867
2868 info = IEEE80211_SKB_CB(skb);
2869 info->control.vif = vif;
2870 info->band = band;
2871 info->hw_queue |= FIELD_PREP(MT_TX_HW_QUEUE_PHY, phy->mt76->band_idx);
2872
2873 len = ALIGN(sizeof(*discov) + MT_TXD_SIZE + skb->len, 4);
2874 tlv = mt7996_mcu_add_uni_tlv(rskb, UNI_BSS_INFO_OFFLOAD, len);
2875
2876 discov = (struct bss_inband_discovery_tlv *)tlv;
2877 discov->tx_mode = OFFLOAD_TX_MODE_SU;
2878 /* 0: UNSOL PROBE RESP, 1: FILS DISCOV */
2879 discov->tx_type = !!(changed & BSS_CHANGED_FILS_DISCOVERY);
2880 discov->tx_interval = interval;
2881 discov->prob_rsp_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
2882 discov->enable = true;
2883 discov->wcid = cpu_to_le16(MT7996_WTBL_RESERVED);
2884
2885 buf = (u8 *)tlv + sizeof(*discov);
2886
2887 mt7996_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, NULL, 0, 0, changed);
2888
2889 memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
2890
2891 dev_kfree_skb(skb);
2892
2893 return mt76_mcu_skb_send_msg(&dev->mt76, rskb,
2894 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
2895 }
2896
mt7996_driver_own(struct mt7996_dev * dev,u8 band)2897 static int mt7996_driver_own(struct mt7996_dev *dev, u8 band)
2898 {
2899 mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(band), MT_TOP_LPCR_HOST_DRV_OWN);
2900 if (!mt76_poll_msec(dev, MT_TOP_LPCR_HOST_BAND(band),
2901 MT_TOP_LPCR_HOST_FW_OWN_STAT, 0, 500)) {
2902 dev_err(dev->mt76.dev, "Timeout for driver own\n");
2903 return -EIO;
2904 }
2905
2906 /* clear irq when the driver own success */
2907 mt76_wr(dev, MT_TOP_LPCR_HOST_BAND_IRQ_STAT(band),
2908 MT_TOP_LPCR_HOST_BAND_STAT);
2909
2910 return 0;
2911 }
2912
mt7996_patch_sec_mode(u32 key_info)2913 static u32 mt7996_patch_sec_mode(u32 key_info)
2914 {
2915 u32 sec = u32_get_bits(key_info, MT7996_PATCH_SEC), key = 0;
2916
2917 if (key_info == GENMASK(31, 0) || sec == MT7996_SEC_MODE_PLAIN)
2918 return 0;
2919
2920 if (sec == MT7996_SEC_MODE_AES)
2921 key = u32_get_bits(key_info, MT7996_PATCH_AES_KEY);
2922 else
2923 key = u32_get_bits(key_info, MT7996_PATCH_SCRAMBLE_KEY);
2924
2925 return MT7996_SEC_ENCRYPT | MT7996_SEC_IV |
2926 u32_encode_bits(key, MT7996_SEC_KEY_IDX);
2927 }
2928
mt7996_load_patch(struct mt7996_dev * dev)2929 static int mt7996_load_patch(struct mt7996_dev *dev)
2930 {
2931 const struct mt7996_patch_hdr *hdr;
2932 const struct firmware *fw = NULL;
2933 int i, ret, sem;
2934
2935 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, 1);
2936 switch (sem) {
2937 case PATCH_IS_DL:
2938 return 0;
2939 case PATCH_NOT_DL_SEM_SUCCESS:
2940 break;
2941 default:
2942 dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");
2943 return -EAGAIN;
2944 }
2945
2946 ret = request_firmware(&fw, fw_name(dev, ROM_PATCH), dev->mt76.dev);
2947 if (ret)
2948 goto out;
2949
2950 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
2951 dev_err(dev->mt76.dev, "Invalid firmware\n");
2952 ret = -EINVAL;
2953 goto out;
2954 }
2955
2956 hdr = (const struct mt7996_patch_hdr *)(fw->data);
2957
2958 dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
2959 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
2960
2961 for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) {
2962 struct mt7996_patch_sec *sec;
2963 const u8 *dl;
2964 u32 len, addr, sec_key_idx, mode = DL_MODE_NEED_RSP;
2965
2966 sec = (struct mt7996_patch_sec *)(fw->data + sizeof(*hdr) +
2967 i * sizeof(*sec));
2968 if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) !=
2969 PATCH_SEC_TYPE_INFO) {
2970 ret = -EINVAL;
2971 goto out;
2972 }
2973
2974 addr = be32_to_cpu(sec->info.addr);
2975 len = be32_to_cpu(sec->info.len);
2976 sec_key_idx = be32_to_cpu(sec->info.sec_key_idx);
2977 dl = fw->data + be32_to_cpu(sec->offs);
2978
2979 mode |= mt7996_patch_sec_mode(sec_key_idx);
2980
2981 ret = mt76_connac_mcu_init_download(&dev->mt76, addr, len,
2982 mode);
2983 if (ret) {
2984 dev_err(dev->mt76.dev, "Download request failed\n");
2985 goto out;
2986 }
2987
2988 ret = __mt76_mcu_send_firmware(&dev->mt76, MCU_CMD(FW_SCATTER),
2989 dl, len, 4096);
2990 if (ret) {
2991 dev_err(dev->mt76.dev, "Failed to send patch\n");
2992 goto out;
2993 }
2994 }
2995
2996 ret = mt76_connac_mcu_start_patch(&dev->mt76);
2997 if (ret)
2998 dev_err(dev->mt76.dev, "Failed to start patch\n");
2999
3000 out:
3001 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, 0);
3002 switch (sem) {
3003 case PATCH_REL_SEM_SUCCESS:
3004 break;
3005 default:
3006 ret = -EAGAIN;
3007 dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
3008 break;
3009 }
3010 release_firmware(fw);
3011
3012 return ret;
3013 }
3014
3015 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)3016 mt7996_mcu_send_ram_firmware(struct mt7996_dev *dev,
3017 const struct mt7996_fw_trailer *hdr,
3018 const u8 *data, enum mt7996_ram_type type)
3019 {
3020 int i, offset = 0;
3021 u32 override = 0, option = 0;
3022
3023 for (i = 0; i < hdr->n_region; i++) {
3024 const struct mt7996_fw_region *region;
3025 int err;
3026 u32 len, addr, mode;
3027
3028 region = (const struct mt7996_fw_region *)((const u8 *)hdr -
3029 (hdr->n_region - i) * sizeof(*region));
3030 /* DSP and WA use same mode */
3031 mode = mt76_connac_mcu_gen_dl_mode(&dev->mt76,
3032 region->feature_set,
3033 type != MT7996_RAM_TYPE_WM);
3034 len = le32_to_cpu(region->len);
3035 addr = le32_to_cpu(region->addr);
3036
3037 if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR)
3038 override = addr;
3039
3040 err = mt76_connac_mcu_init_download(&dev->mt76, addr, len,
3041 mode);
3042 if (err) {
3043 dev_err(dev->mt76.dev, "Download request failed\n");
3044 return err;
3045 }
3046
3047 err = __mt76_mcu_send_firmware(&dev->mt76, MCU_CMD(FW_SCATTER),
3048 data + offset, len, 4096);
3049 if (err) {
3050 dev_err(dev->mt76.dev, "Failed to send firmware.\n");
3051 return err;
3052 }
3053
3054 offset += len;
3055 }
3056
3057 if (override)
3058 option |= FW_START_OVERRIDE;
3059
3060 if (type == MT7996_RAM_TYPE_WA)
3061 option |= FW_START_WORKING_PDA_CR4;
3062 else if (type == MT7996_RAM_TYPE_DSP)
3063 option |= FW_START_WORKING_PDA_DSP;
3064
3065 return mt76_connac_mcu_start_firmware(&dev->mt76, override, option);
3066 }
3067
__mt7996_load_ram(struct mt7996_dev * dev,const char * fw_type,const char * fw_file,enum mt7996_ram_type ram_type)3068 static int __mt7996_load_ram(struct mt7996_dev *dev, const char *fw_type,
3069 const char *fw_file, enum mt7996_ram_type ram_type)
3070 {
3071 const struct mt7996_fw_trailer *hdr;
3072 const struct firmware *fw;
3073 int ret;
3074
3075 ret = request_firmware(&fw, fw_file, dev->mt76.dev);
3076 if (ret)
3077 return ret;
3078
3079 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
3080 dev_err(dev->mt76.dev, "Invalid firmware\n");
3081 ret = -EINVAL;
3082 goto out;
3083 }
3084
3085 hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
3086 dev_info(dev->mt76.dev, "%s Firmware Version: %.10s, Build Time: %.15s\n",
3087 fw_type, hdr->fw_ver, hdr->build_date);
3088
3089 ret = mt7996_mcu_send_ram_firmware(dev, hdr, fw->data, ram_type);
3090 if (ret) {
3091 dev_err(dev->mt76.dev, "Failed to start %s firmware\n", fw_type);
3092 goto out;
3093 }
3094
3095 snprintf(dev->mt76.hw->wiphy->fw_version,
3096 sizeof(dev->mt76.hw->wiphy->fw_version),
3097 "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
3098
3099 out:
3100 release_firmware(fw);
3101
3102 return ret;
3103 }
3104
mt7996_load_ram(struct mt7996_dev * dev)3105 static int mt7996_load_ram(struct mt7996_dev *dev)
3106 {
3107 int ret;
3108
3109 ret = __mt7996_load_ram(dev, "WM", fw_name(dev, FIRMWARE_WM),
3110 MT7996_RAM_TYPE_WM);
3111 if (ret)
3112 return ret;
3113
3114 if (!mt7996_has_wa(dev))
3115 return 0;
3116
3117 ret = __mt7996_load_ram(dev, "DSP", fw_name(dev, FIRMWARE_DSP),
3118 MT7996_RAM_TYPE_DSP);
3119 if (ret)
3120 return ret;
3121
3122 return __mt7996_load_ram(dev, "WA", fw_name(dev, FIRMWARE_WA),
3123 MT7996_RAM_TYPE_WA);
3124 }
3125
3126 static int
mt7996_firmware_state(struct mt7996_dev * dev,u8 fw_state)3127 mt7996_firmware_state(struct mt7996_dev *dev, u8 fw_state)
3128 {
3129 u32 state = FIELD_PREP(MT_TOP_MISC_FW_STATE, fw_state);
3130
3131 if (!mt76_poll_msec(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE,
3132 state, 1000)) {
3133 dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
3134 return -EIO;
3135 }
3136 return 0;
3137 }
3138
3139 static int
mt7996_mcu_restart(struct mt76_dev * dev)3140 mt7996_mcu_restart(struct mt76_dev *dev)
3141 {
3142 struct {
3143 u8 __rsv1[4];
3144
3145 __le16 tag;
3146 __le16 len;
3147 u8 power_mode;
3148 u8 __rsv2[3];
3149 } __packed req = {
3150 .tag = cpu_to_le16(UNI_POWER_OFF),
3151 .len = cpu_to_le16(sizeof(req) - 4),
3152 .power_mode = 1,
3153 };
3154
3155 return mt76_mcu_send_msg(dev, MCU_WM_UNI_CMD(POWER_CTRL), &req,
3156 sizeof(req), false);
3157 }
3158
mt7996_load_firmware(struct mt7996_dev * dev)3159 static int mt7996_load_firmware(struct mt7996_dev *dev)
3160 {
3161 u8 fw_state;
3162 int ret;
3163
3164 /* make sure fw is download state */
3165 if (mt7996_firmware_state(dev, FW_STATE_FW_DOWNLOAD)) {
3166 /* restart firmware once */
3167 mt7996_mcu_restart(&dev->mt76);
3168 ret = mt7996_firmware_state(dev, FW_STATE_FW_DOWNLOAD);
3169 if (ret) {
3170 dev_err(dev->mt76.dev,
3171 "Firmware is not ready for download\n");
3172 return ret;
3173 }
3174 }
3175
3176 ret = mt7996_load_patch(dev);
3177 if (ret)
3178 return ret;
3179
3180 ret = mt7996_load_ram(dev);
3181 if (ret)
3182 return ret;
3183
3184 fw_state = mt7996_has_wa(dev) ? FW_STATE_RDY : FW_STATE_NORMAL_TRX;
3185 ret = mt7996_firmware_state(dev, fw_state);
3186 if (ret)
3187 return ret;
3188
3189 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
3190
3191 dev_dbg(dev->mt76.dev, "Firmware init done\n");
3192
3193 return 0;
3194 }
3195
mt7996_mcu_fw_log_2_host(struct mt7996_dev * dev,u8 type,u8 ctrl)3196 int mt7996_mcu_fw_log_2_host(struct mt7996_dev *dev, u8 type, u8 ctrl)
3197 {
3198 struct {
3199 u8 _rsv[4];
3200
3201 __le16 tag;
3202 __le16 len;
3203 u8 ctrl;
3204 u8 interval;
3205 u8 _rsv2[2];
3206 } __packed data = {
3207 .tag = cpu_to_le16(UNI_WSYS_CONFIG_FW_LOG_CTRL),
3208 .len = cpu_to_le16(sizeof(data) - 4),
3209 .ctrl = ctrl,
3210 };
3211
3212 if (type == MCU_FW_LOG_WA)
3213 return mt76_mcu_send_msg(&dev->mt76, MCU_WA_UNI_CMD(WSYS_CONFIG),
3214 &data, sizeof(data), true);
3215
3216 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(WSYS_CONFIG), &data,
3217 sizeof(data), true);
3218 }
3219
mt7996_mcu_fw_dbg_ctrl(struct mt7996_dev * dev,u32 module,u8 level)3220 int mt7996_mcu_fw_dbg_ctrl(struct mt7996_dev *dev, u32 module, u8 level)
3221 {
3222 struct {
3223 u8 _rsv[4];
3224
3225 __le16 tag;
3226 __le16 len;
3227 __le32 module_idx;
3228 u8 level;
3229 u8 _rsv2[3];
3230 } data = {
3231 .tag = cpu_to_le16(UNI_WSYS_CONFIG_FW_DBG_CTRL),
3232 .len = cpu_to_le16(sizeof(data) - 4),
3233 .module_idx = cpu_to_le32(module),
3234 .level = level,
3235 };
3236
3237 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(WSYS_CONFIG), &data,
3238 sizeof(data), false);
3239 }
3240
mt7996_mcu_set_mwds(struct mt7996_dev * dev,bool enabled)3241 static int mt7996_mcu_set_mwds(struct mt7996_dev *dev, bool enabled)
3242 {
3243 struct {
3244 u8 enable;
3245 u8 _rsv[3];
3246 } __packed req = {
3247 .enable = enabled
3248 };
3249
3250 return mt76_mcu_send_msg(&dev->mt76, MCU_WA_EXT_CMD(MWDS_SUPPORT), &req,
3251 sizeof(req), false);
3252 }
3253
mt7996_add_rx_airtime_tlv(struct sk_buff * skb,u8 band_idx)3254 static void mt7996_add_rx_airtime_tlv(struct sk_buff *skb, u8 band_idx)
3255 {
3256 struct vow_rx_airtime *req;
3257 struct tlv *tlv;
3258
3259 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_VOW_RX_AT_AIRTIME_CLR_EN, sizeof(*req));
3260 req = (struct vow_rx_airtime *)tlv;
3261 req->enable = true;
3262 req->band = band_idx;
3263
3264 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_VOW_RX_AT_AIRTIME_EN, sizeof(*req));
3265 req = (struct vow_rx_airtime *)tlv;
3266 req->enable = true;
3267 req->band = band_idx;
3268 }
3269
3270 static int
mt7996_mcu_init_rx_airtime(struct mt7996_dev * dev)3271 mt7996_mcu_init_rx_airtime(struct mt7996_dev *dev)
3272 {
3273 struct uni_header hdr = {};
3274 struct sk_buff *skb;
3275 int len, num, i;
3276
3277 num = 2 + 2 * (mt7996_band_valid(dev, MT_BAND1) +
3278 mt7996_band_valid(dev, MT_BAND2));
3279 len = sizeof(hdr) + num * sizeof(struct vow_rx_airtime);
3280 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
3281 if (!skb)
3282 return -ENOMEM;
3283
3284 skb_put_data(skb, &hdr, sizeof(hdr));
3285
3286 for (i = 0; i < __MT_MAX_BAND; i++) {
3287 if (mt7996_band_valid(dev, i))
3288 mt7996_add_rx_airtime_tlv(skb, i);
3289 }
3290
3291 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
3292 MCU_WM_UNI_CMD(VOW), true);
3293 }
3294
mt7996_mcu_init_firmware(struct mt7996_dev * dev)3295 int mt7996_mcu_init_firmware(struct mt7996_dev *dev)
3296 {
3297 int ret;
3298
3299 /* force firmware operation mode into normal state,
3300 * which should be set before firmware download stage.
3301 */
3302 mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
3303
3304 ret = mt7996_driver_own(dev, 0);
3305 if (ret)
3306 return ret;
3307 /* set driver own for band1 when two hif exist */
3308 if (dev->hif2) {
3309 ret = mt7996_driver_own(dev, 1);
3310 if (ret)
3311 return ret;
3312 }
3313
3314 ret = mt7996_load_firmware(dev);
3315 if (ret)
3316 return ret;
3317
3318 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
3319 ret = mt7996_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, 0);
3320 if (ret)
3321 return ret;
3322
3323 if (mt7996_has_wa(dev)) {
3324 ret = mt7996_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, 0);
3325 if (ret)
3326 return ret;
3327
3328 ret = mt7996_mcu_set_mwds(dev, 1);
3329 if (ret)
3330 return ret;
3331 }
3332
3333 ret = mt7996_mcu_init_rx_airtime(dev);
3334 if (ret)
3335 return ret;
3336
3337 return mt7996_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
3338 MCU_WA_PARAM_RED, 0, 0);
3339 }
3340
mt7996_mcu_init(struct mt7996_dev * dev)3341 int mt7996_mcu_init(struct mt7996_dev *dev)
3342 {
3343 static const struct mt76_mcu_ops mt7996_mcu_ops = {
3344 .headroom = sizeof(struct mt76_connac2_mcu_txd), /* reuse */
3345 .mcu_skb_send_msg = mt7996_mcu_send_message,
3346 .mcu_parse_response = mt7996_mcu_parse_response,
3347 };
3348
3349 dev->mt76.mcu_ops = &mt7996_mcu_ops;
3350
3351 return mt7996_mcu_init_firmware(dev);
3352 }
3353
mt7996_mcu_exit(struct mt7996_dev * dev)3354 void mt7996_mcu_exit(struct mt7996_dev *dev)
3355 {
3356 mt7996_mcu_restart(&dev->mt76);
3357 if (mt7996_firmware_state(dev, FW_STATE_FW_DOWNLOAD)) {
3358 dev_err(dev->mt76.dev, "Failed to exit mcu\n");
3359 goto out;
3360 }
3361
3362 mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(0), MT_TOP_LPCR_HOST_FW_OWN);
3363 if (dev->hif2)
3364 mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(1),
3365 MT_TOP_LPCR_HOST_FW_OWN);
3366 out:
3367 skb_queue_purge(&dev->mt76.mcu.res_q);
3368 }
3369
mt7996_mcu_set_hdr_trans(struct mt7996_dev * dev,bool hdr_trans)3370 int mt7996_mcu_set_hdr_trans(struct mt7996_dev *dev, bool hdr_trans)
3371 {
3372 struct {
3373 u8 __rsv[4];
3374 } __packed hdr = {};
3375 struct hdr_trans_blacklist *req_blacklist;
3376 struct hdr_trans_en *req_en;
3377 struct sk_buff *skb;
3378 struct tlv *tlv;
3379 int len = MT7996_HDR_TRANS_MAX_SIZE + sizeof(hdr);
3380
3381 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
3382 if (!skb)
3383 return -ENOMEM;
3384
3385 skb_put_data(skb, &hdr, sizeof(hdr));
3386
3387 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_HDR_TRANS_EN, sizeof(*req_en));
3388 req_en = (struct hdr_trans_en *)tlv;
3389 req_en->enable = hdr_trans;
3390
3391 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_HDR_TRANS_VLAN,
3392 sizeof(struct hdr_trans_vlan));
3393
3394 if (hdr_trans) {
3395 tlv = mt7996_mcu_add_uni_tlv(skb, UNI_HDR_TRANS_BLACKLIST,
3396 sizeof(*req_blacklist));
3397 req_blacklist = (struct hdr_trans_blacklist *)tlv;
3398 req_blacklist->enable = 1;
3399 req_blacklist->type = cpu_to_le16(ETH_P_PAE);
3400 }
3401
3402 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
3403 MCU_WM_UNI_CMD(RX_HDR_TRANS), true);
3404 }
3405
mt7996_mcu_set_tx(struct mt7996_dev * dev,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)3406 int mt7996_mcu_set_tx(struct mt7996_dev *dev, struct ieee80211_vif *vif,
3407 struct ieee80211_bss_conf *link_conf)
3408 {
3409 #define MCU_EDCA_AC_PARAM 0
3410 #define WMM_AIFS_SET BIT(0)
3411 #define WMM_CW_MIN_SET BIT(1)
3412 #define WMM_CW_MAX_SET BIT(2)
3413 #define WMM_TXOP_SET BIT(3)
3414 #define WMM_PARAM_SET (WMM_AIFS_SET | WMM_CW_MIN_SET | \
3415 WMM_CW_MAX_SET | WMM_TXOP_SET)
3416 struct mt7996_vif_link *link = mt7996_vif_conf_link(dev, vif, link_conf);
3417 struct {
3418 u8 bss_idx;
3419 u8 __rsv[3];
3420 } __packed hdr = {
3421 .bss_idx = link->mt76.idx,
3422 };
3423 struct sk_buff *skb;
3424 int len = sizeof(hdr) + IEEE80211_NUM_ACS * sizeof(struct edca);
3425 int ac;
3426
3427 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
3428 if (!skb)
3429 return -ENOMEM;
3430
3431 skb_put_data(skb, &hdr, sizeof(hdr));
3432
3433 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3434 struct ieee80211_tx_queue_params *q = &link->queue_params[ac];
3435 struct edca *e;
3436 struct tlv *tlv;
3437
3438 tlv = mt7996_mcu_add_uni_tlv(skb, MCU_EDCA_AC_PARAM, sizeof(*e));
3439
3440 e = (struct edca *)tlv;
3441 e->set = WMM_PARAM_SET;
3442 e->queue = ac;
3443 e->aifs = q->aifs;
3444 e->txop = cpu_to_le16(q->txop);
3445
3446 if (q->cw_min)
3447 e->cw_min = fls(q->cw_min);
3448 else
3449 e->cw_min = 5;
3450
3451 if (q->cw_max)
3452 e->cw_max = fls(q->cw_max);
3453 else
3454 e->cw_max = 10;
3455 }
3456
3457 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
3458 MCU_WM_UNI_CMD(EDCA_UPDATE), true);
3459 }
3460
mt7996_mcu_set_fcc5_lpn(struct mt7996_dev * dev,int val)3461 int mt7996_mcu_set_fcc5_lpn(struct mt7996_dev *dev, int val)
3462 {
3463 struct {
3464 u8 _rsv[4];
3465
3466 __le16 tag;
3467 __le16 len;
3468
3469 __le32 ctrl;
3470 __le16 min_lpn;
3471 u8 rsv[2];
3472 } __packed req = {
3473 .tag = cpu_to_le16(UNI_RDD_CTRL_SET_TH),
3474 .len = cpu_to_le16(sizeof(req) - 4),
3475
3476 .ctrl = cpu_to_le32(0x1),
3477 .min_lpn = cpu_to_le16(val),
3478 };
3479
3480 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL),
3481 &req, sizeof(req), true);
3482 }
3483
mt7996_mcu_set_pulse_th(struct mt7996_dev * dev,const struct mt7996_dfs_pulse * pulse)3484 int mt7996_mcu_set_pulse_th(struct mt7996_dev *dev,
3485 const struct mt7996_dfs_pulse *pulse)
3486 {
3487 struct {
3488 u8 _rsv[4];
3489
3490 __le16 tag;
3491 __le16 len;
3492
3493 __le32 ctrl;
3494
3495 __le32 max_width; /* us */
3496 __le32 max_pwr; /* dbm */
3497 __le32 min_pwr; /* dbm */
3498 __le32 min_stgr_pri; /* us */
3499 __le32 max_stgr_pri; /* us */
3500 __le32 min_cr_pri; /* us */
3501 __le32 max_cr_pri; /* us */
3502 } __packed req = {
3503 .tag = cpu_to_le16(UNI_RDD_CTRL_SET_TH),
3504 .len = cpu_to_le16(sizeof(req) - 4),
3505
3506 .ctrl = cpu_to_le32(0x3),
3507
3508 #define __req_field(field) .field = cpu_to_le32(pulse->field)
3509 __req_field(max_width),
3510 __req_field(max_pwr),
3511 __req_field(min_pwr),
3512 __req_field(min_stgr_pri),
3513 __req_field(max_stgr_pri),
3514 __req_field(min_cr_pri),
3515 __req_field(max_cr_pri),
3516 #undef __req_field
3517 };
3518
3519 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL),
3520 &req, sizeof(req), true);
3521 }
3522
mt7996_mcu_set_radar_th(struct mt7996_dev * dev,int index,const struct mt7996_dfs_pattern * pattern)3523 int mt7996_mcu_set_radar_th(struct mt7996_dev *dev, int index,
3524 const struct mt7996_dfs_pattern *pattern)
3525 {
3526 struct {
3527 u8 _rsv[4];
3528
3529 __le16 tag;
3530 __le16 len;
3531
3532 __le32 ctrl;
3533 __le16 radar_type;
3534
3535 u8 enb;
3536 u8 stgr;
3537 u8 min_crpn;
3538 u8 max_crpn;
3539 u8 min_crpr;
3540 u8 min_pw;
3541 __le32 min_pri;
3542 __le32 max_pri;
3543 u8 max_pw;
3544 u8 min_crbn;
3545 u8 max_crbn;
3546 u8 min_stgpn;
3547 u8 max_stgpn;
3548 u8 min_stgpr;
3549 u8 rsv[2];
3550 __le32 min_stgpr_diff;
3551 } __packed req = {
3552 .tag = cpu_to_le16(UNI_RDD_CTRL_SET_TH),
3553 .len = cpu_to_le16(sizeof(req) - 4),
3554
3555 .ctrl = cpu_to_le32(0x2),
3556 .radar_type = cpu_to_le16(index),
3557
3558 #define __req_field_u8(field) .field = pattern->field
3559 #define __req_field_u32(field) .field = cpu_to_le32(pattern->field)
3560 __req_field_u8(enb),
3561 __req_field_u8(stgr),
3562 __req_field_u8(min_crpn),
3563 __req_field_u8(max_crpn),
3564 __req_field_u8(min_crpr),
3565 __req_field_u8(min_pw),
3566 __req_field_u32(min_pri),
3567 __req_field_u32(max_pri),
3568 __req_field_u8(max_pw),
3569 __req_field_u8(min_crbn),
3570 __req_field_u8(max_crbn),
3571 __req_field_u8(min_stgpn),
3572 __req_field_u8(max_stgpn),
3573 __req_field_u8(min_stgpr),
3574 __req_field_u32(min_stgpr_diff),
3575 #undef __req_field_u8
3576 #undef __req_field_u32
3577 };
3578
3579 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL),
3580 &req, sizeof(req), true);
3581 }
3582
3583 static int
mt7996_mcu_background_chain_ctrl(struct mt7996_phy * phy,struct cfg80211_chan_def * chandef,int cmd)3584 mt7996_mcu_background_chain_ctrl(struct mt7996_phy *phy,
3585 struct cfg80211_chan_def *chandef,
3586 int cmd)
3587 {
3588 struct mt7996_dev *dev = phy->dev;
3589 struct mt76_phy *mphy = phy->mt76;
3590 struct ieee80211_channel *chan = mphy->chandef.chan;
3591 int freq = mphy->chandef.center_freq1;
3592 struct mt7996_mcu_background_chain_ctrl req = {
3593 .tag = cpu_to_le16(0),
3594 .len = cpu_to_le16(sizeof(req) - 4),
3595 .monitor_scan_type = 2, /* simple rx */
3596 };
3597
3598 if (!chandef && cmd != CH_SWITCH_BACKGROUND_SCAN_STOP)
3599 return -EINVAL;
3600
3601 if (!cfg80211_chandef_valid(&mphy->chandef))
3602 return -EINVAL;
3603
3604 switch (cmd) {
3605 case CH_SWITCH_BACKGROUND_SCAN_START: {
3606 req.chan = chan->hw_value;
3607 req.central_chan = ieee80211_frequency_to_channel(freq);
3608 req.bw = mt76_connac_chan_bw(&mphy->chandef);
3609 req.monitor_chan = chandef->chan->hw_value;
3610 req.monitor_central_chan =
3611 ieee80211_frequency_to_channel(chandef->center_freq1);
3612 req.monitor_bw = mt76_connac_chan_bw(chandef);
3613 req.band_idx = phy->mt76->band_idx;
3614 req.scan_mode = 1;
3615 break;
3616 }
3617 case CH_SWITCH_BACKGROUND_SCAN_RUNNING:
3618 req.monitor_chan = chandef->chan->hw_value;
3619 req.monitor_central_chan =
3620 ieee80211_frequency_to_channel(chandef->center_freq1);
3621 req.band_idx = phy->mt76->band_idx;
3622 req.scan_mode = 2;
3623 break;
3624 case CH_SWITCH_BACKGROUND_SCAN_STOP:
3625 req.chan = chan->hw_value;
3626 req.central_chan = ieee80211_frequency_to_channel(freq);
3627 req.bw = mt76_connac_chan_bw(&mphy->chandef);
3628 req.tx_stream = hweight8(mphy->antenna_mask);
3629 req.rx_stream = mphy->antenna_mask;
3630 break;
3631 default:
3632 return -EINVAL;
3633 }
3634 req.band = chandef ? chandef->chan->band == NL80211_BAND_5GHZ : 1;
3635
3636 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(OFFCH_SCAN_CTRL),
3637 &req, sizeof(req), false);
3638 }
3639
mt7996_mcu_rdd_background_enable(struct mt7996_phy * phy,struct cfg80211_chan_def * chandef)3640 int mt7996_mcu_rdd_background_enable(struct mt7996_phy *phy,
3641 struct cfg80211_chan_def *chandef)
3642 {
3643 struct mt7996_dev *dev = phy->dev;
3644 int err, region, rdd_idx = mt7996_get_rdd_idx(phy, true);
3645
3646 if (!chandef) { /* disable offchain */
3647 err = mt7996_mcu_rdd_cmd(dev, RDD_STOP, rdd_idx, 0);
3648 if (err)
3649 return err;
3650
3651 return mt7996_mcu_background_chain_ctrl(phy, NULL,
3652 CH_SWITCH_BACKGROUND_SCAN_STOP);
3653 }
3654
3655 err = mt7996_mcu_background_chain_ctrl(phy, chandef,
3656 CH_SWITCH_BACKGROUND_SCAN_START);
3657 if (err)
3658 return err;
3659
3660 switch (dev->mt76.region) {
3661 case NL80211_DFS_ETSI:
3662 region = 0;
3663 break;
3664 case NL80211_DFS_JP:
3665 region = 2;
3666 break;
3667 case NL80211_DFS_FCC:
3668 default:
3669 region = 1;
3670 break;
3671 }
3672
3673 return mt7996_mcu_rdd_cmd(dev, RDD_START, rdd_idx, region);
3674 }
3675
mt7996_mcu_set_chan_info(struct mt7996_phy * phy,u16 tag)3676 int mt7996_mcu_set_chan_info(struct mt7996_phy *phy, u16 tag)
3677 {
3678 static const u8 ch_band[] = {
3679 [NL80211_BAND_2GHZ] = 0,
3680 [NL80211_BAND_5GHZ] = 1,
3681 [NL80211_BAND_6GHZ] = 2,
3682 };
3683 struct mt7996_dev *dev = phy->dev;
3684 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
3685 int freq1 = chandef->center_freq1;
3686 u8 band_idx = phy->mt76->band_idx;
3687 struct {
3688 /* fixed field */
3689 u8 __rsv[4];
3690
3691 __le16 tag;
3692 __le16 len;
3693 u8 control_ch;
3694 u8 center_ch;
3695 u8 bw;
3696 u8 tx_path_num;
3697 u8 rx_path; /* mask or num */
3698 u8 switch_reason;
3699 u8 band_idx;
3700 u8 center_ch2; /* for 80+80 only */
3701 __le16 cac_case;
3702 u8 channel_band;
3703 u8 rsv0;
3704 __le32 outband_freq;
3705 u8 txpower_drop;
3706 u8 ap_bw;
3707 u8 ap_center_ch;
3708 u8 rsv1[53];
3709 } __packed req = {
3710 .tag = cpu_to_le16(tag),
3711 .len = cpu_to_le16(sizeof(req) - 4),
3712 .control_ch = chandef->chan->hw_value,
3713 .center_ch = ieee80211_frequency_to_channel(freq1),
3714 .bw = mt76_connac_chan_bw(chandef),
3715 .tx_path_num = hweight16(phy->mt76->chainmask),
3716 .rx_path = mt7996_rx_chainmask(phy) >> dev->chainshift[band_idx],
3717 .band_idx = band_idx,
3718 .channel_band = ch_band[chandef->chan->band],
3719 };
3720
3721 if (phy->mt76->hw->conf.flags & IEEE80211_CONF_MONITOR)
3722 req.switch_reason = CH_SWITCH_NORMAL;
3723 else if (phy->mt76->offchannel ||
3724 phy->mt76->hw->conf.flags & IEEE80211_CONF_IDLE)
3725 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
3726 else if (!cfg80211_reg_can_beacon(phy->mt76->hw->wiphy, chandef,
3727 NL80211_IFTYPE_AP))
3728 req.switch_reason = CH_SWITCH_DFS;
3729 else
3730 req.switch_reason = CH_SWITCH_NORMAL;
3731
3732 if (tag == UNI_CHANNEL_SWITCH)
3733 req.rx_path = hweight8(req.rx_path);
3734
3735 if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
3736 int freq2 = chandef->center_freq2;
3737
3738 req.center_ch2 = ieee80211_frequency_to_channel(freq2);
3739 }
3740
3741 return mt76_mcu_send_msg(&dev->mt76, MCU_WMWA_UNI_CMD(CHANNEL_SWITCH),
3742 &req, sizeof(req), true);
3743 }
3744
mt7996_mcu_set_eeprom_flash(struct mt7996_dev * dev)3745 static int mt7996_mcu_set_eeprom_flash(struct mt7996_dev *dev)
3746 {
3747 #define MAX_PAGE_IDX_MASK GENMASK(7, 5)
3748 #define PAGE_IDX_MASK GENMASK(4, 2)
3749 #define PER_PAGE_SIZE 0x400
3750 struct mt7996_mcu_eeprom req = {
3751 .tag = cpu_to_le16(UNI_EFUSE_BUFFER_MODE),
3752 .buffer_mode = EE_MODE_BUFFER
3753 };
3754 u16 eeprom_size = MT7996_EEPROM_SIZE;
3755 u8 total = DIV_ROUND_UP(eeprom_size, PER_PAGE_SIZE);
3756 u8 *eep = (u8 *)dev->mt76.eeprom.data;
3757 int eep_len, i;
3758
3759 for (i = 0; i < total; i++, eep += eep_len) {
3760 struct sk_buff *skb;
3761 int ret, msg_len;
3762
3763 if (i == total - 1 && !!(eeprom_size % PER_PAGE_SIZE))
3764 eep_len = eeprom_size % PER_PAGE_SIZE;
3765 else
3766 eep_len = PER_PAGE_SIZE;
3767
3768 msg_len = sizeof(req) + eep_len;
3769 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, msg_len);
3770 if (!skb)
3771 return -ENOMEM;
3772
3773 req.len = cpu_to_le16(msg_len - 4);
3774 req.format = FIELD_PREP(MAX_PAGE_IDX_MASK, total - 1) |
3775 FIELD_PREP(PAGE_IDX_MASK, i) | EE_FORMAT_WHOLE;
3776 req.buf_len = cpu_to_le16(eep_len);
3777
3778 skb_put_data(skb, &req, sizeof(req));
3779 skb_put_data(skb, eep, eep_len);
3780
3781 ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
3782 MCU_WM_UNI_CMD(EFUSE_CTRL), true);
3783 if (ret)
3784 return ret;
3785 }
3786
3787 return 0;
3788 }
3789
mt7996_mcu_set_eeprom(struct mt7996_dev * dev)3790 int mt7996_mcu_set_eeprom(struct mt7996_dev *dev)
3791 {
3792 struct mt7996_mcu_eeprom req = {
3793 .tag = cpu_to_le16(UNI_EFUSE_BUFFER_MODE),
3794 .len = cpu_to_le16(sizeof(req) - 4),
3795 .buffer_mode = EE_MODE_EFUSE,
3796 .format = EE_FORMAT_WHOLE
3797 };
3798
3799 if (dev->flash_mode)
3800 return mt7996_mcu_set_eeprom_flash(dev);
3801
3802 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(EFUSE_CTRL),
3803 &req, sizeof(req), true);
3804 }
3805
mt7996_mcu_get_eeprom(struct mt7996_dev * dev,u32 offset,u8 * buf,u32 buf_len)3806 int mt7996_mcu_get_eeprom(struct mt7996_dev *dev, u32 offset, u8 *buf, u32 buf_len)
3807 {
3808 struct {
3809 u8 _rsv[4];
3810
3811 __le16 tag;
3812 __le16 len;
3813 __le32 addr;
3814 __le32 valid;
3815 u8 data[16];
3816 } __packed req = {
3817 .tag = cpu_to_le16(UNI_EFUSE_ACCESS),
3818 .len = cpu_to_le16(sizeof(req) - 4),
3819 .addr = cpu_to_le32(round_down(offset,
3820 MT7996_EEPROM_BLOCK_SIZE)),
3821 };
3822 struct sk_buff *skb;
3823 bool valid;
3824 int ret;
3825
3826 ret = mt76_mcu_send_and_get_msg(&dev->mt76,
3827 MCU_WM_UNI_CMD_QUERY(EFUSE_CTRL),
3828 &req, sizeof(req), true, &skb);
3829 if (ret)
3830 return ret;
3831
3832 valid = le32_to_cpu(*(__le32 *)(skb->data + 16));
3833 if (valid) {
3834 u32 addr = le32_to_cpu(*(__le32 *)(skb->data + 12));
3835
3836 if (!buf)
3837 buf = (u8 *)dev->mt76.eeprom.data + addr;
3838 if (!buf_len || buf_len > MT7996_EEPROM_BLOCK_SIZE)
3839 buf_len = MT7996_EEPROM_BLOCK_SIZE;
3840
3841 skb_pull(skb, 48);
3842 memcpy(buf, skb->data, buf_len);
3843 } else {
3844 ret = -EINVAL;
3845 }
3846
3847 dev_kfree_skb(skb);
3848
3849 return ret;
3850 }
3851
mt7996_mcu_get_eeprom_free_block(struct mt7996_dev * dev,u8 * block_num)3852 int mt7996_mcu_get_eeprom_free_block(struct mt7996_dev *dev, u8 *block_num)
3853 {
3854 struct {
3855 u8 _rsv[4];
3856
3857 __le16 tag;
3858 __le16 len;
3859 u8 num;
3860 u8 version;
3861 u8 die_idx;
3862 u8 _rsv2;
3863 } __packed req = {
3864 .tag = cpu_to_le16(UNI_EFUSE_FREE_BLOCK),
3865 .len = cpu_to_le16(sizeof(req) - 4),
3866 .version = 2,
3867 };
3868 struct sk_buff *skb;
3869 int ret;
3870
3871 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_WM_UNI_CMD_QUERY(EFUSE_CTRL), &req,
3872 sizeof(req), true, &skb);
3873 if (ret)
3874 return ret;
3875
3876 *block_num = *(u8 *)(skb->data + 8);
3877 dev_kfree_skb(skb);
3878
3879 return 0;
3880 }
3881
mt7996_mcu_get_chip_config(struct mt7996_dev * dev,u32 * cap)3882 int mt7996_mcu_get_chip_config(struct mt7996_dev *dev, u32 *cap)
3883 {
3884 #define NIC_CAP 3
3885 #define UNI_EVENT_CHIP_CONFIG_EFUSE_VERSION 0x21
3886 struct {
3887 u8 _rsv[4];
3888
3889 __le16 tag;
3890 __le16 len;
3891 } __packed req = {
3892 .tag = cpu_to_le16(NIC_CAP),
3893 .len = cpu_to_le16(sizeof(req) - 4),
3894 };
3895 struct sk_buff *skb;
3896 u8 *buf;
3897 int ret;
3898
3899 ret = mt76_mcu_send_and_get_msg(&dev->mt76,
3900 MCU_WM_UNI_CMD_QUERY(CHIP_CONFIG), &req,
3901 sizeof(req), true, &skb);
3902 if (ret)
3903 return ret;
3904
3905 /* fixed field */
3906 skb_pull(skb, 4);
3907
3908 buf = skb->data;
3909 while (buf - skb->data < skb->len) {
3910 struct tlv *tlv = (struct tlv *)buf;
3911
3912 switch (le16_to_cpu(tlv->tag)) {
3913 case UNI_EVENT_CHIP_CONFIG_EFUSE_VERSION:
3914 *cap = le32_to_cpu(*(__le32 *)(buf + sizeof(*tlv)));
3915 break;
3916 default:
3917 break;
3918 }
3919
3920 buf += le16_to_cpu(tlv->len);
3921 }
3922
3923 dev_kfree_skb(skb);
3924
3925 return 0;
3926 }
3927
mt7996_mcu_get_chan_mib_info(struct mt7996_phy * phy,bool chan_switch)3928 int mt7996_mcu_get_chan_mib_info(struct mt7996_phy *phy, bool chan_switch)
3929 {
3930 enum {
3931 IDX_TX_TIME,
3932 IDX_RX_TIME,
3933 IDX_OBSS_AIRTIME,
3934 IDX_NON_WIFI_TIME,
3935 IDX_NUM
3936 };
3937 struct {
3938 struct {
3939 u8 band;
3940 u8 __rsv[3];
3941 } hdr;
3942 struct {
3943 __le16 tag;
3944 __le16 len;
3945 __le32 offs;
3946 } data[IDX_NUM];
3947 } __packed req = {
3948 .hdr.band = phy->mt76->band_idx,
3949 };
3950 static const u32 offs[] = {
3951 [IDX_TX_TIME] = UNI_MIB_TX_TIME,
3952 [IDX_RX_TIME] = UNI_MIB_RX_TIME,
3953 [IDX_OBSS_AIRTIME] = UNI_MIB_OBSS_AIRTIME,
3954 [IDX_NON_WIFI_TIME] = UNI_MIB_NON_WIFI_TIME,
3955 };
3956 struct mt76_channel_state *state = phy->mt76->chan_state;
3957 struct mt76_channel_state *state_ts = &phy->state_ts;
3958 struct mt7996_dev *dev = phy->dev;
3959 struct mt7996_mcu_mib *res;
3960 struct sk_buff *skb;
3961 int i, ret;
3962
3963 for (i = 0; i < IDX_NUM; i++) {
3964 req.data[i].tag = cpu_to_le16(UNI_CMD_MIB_DATA);
3965 req.data[i].len = cpu_to_le16(sizeof(req.data[i]));
3966 req.data[i].offs = cpu_to_le32(offs[i]);
3967 }
3968
3969 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_WM_UNI_CMD_QUERY(GET_MIB_INFO),
3970 &req, sizeof(req), true, &skb);
3971 if (ret)
3972 return ret;
3973
3974 skb_pull(skb, sizeof(req.hdr));
3975
3976 res = (struct mt7996_mcu_mib *)(skb->data);
3977
3978 if (chan_switch)
3979 goto out;
3980
3981 #define __res_u64(s) le64_to_cpu(res[s].data)
3982 state->cc_tx += __res_u64(IDX_TX_TIME) - state_ts->cc_tx;
3983 state->cc_bss_rx += __res_u64(IDX_RX_TIME) - state_ts->cc_bss_rx;
3984 state->cc_rx += __res_u64(IDX_RX_TIME) +
3985 __res_u64(IDX_OBSS_AIRTIME) -
3986 state_ts->cc_rx;
3987 state->cc_busy += __res_u64(IDX_TX_TIME) +
3988 __res_u64(IDX_RX_TIME) +
3989 __res_u64(IDX_OBSS_AIRTIME) +
3990 __res_u64(IDX_NON_WIFI_TIME) -
3991 state_ts->cc_busy;
3992 out:
3993 state_ts->cc_tx = __res_u64(IDX_TX_TIME);
3994 state_ts->cc_bss_rx = __res_u64(IDX_RX_TIME);
3995 state_ts->cc_rx = __res_u64(IDX_RX_TIME) + __res_u64(IDX_OBSS_AIRTIME);
3996 state_ts->cc_busy = __res_u64(IDX_TX_TIME) +
3997 __res_u64(IDX_RX_TIME) +
3998 __res_u64(IDX_OBSS_AIRTIME) +
3999 __res_u64(IDX_NON_WIFI_TIME);
4000 #undef __res_u64
4001
4002 dev_kfree_skb(skb);
4003
4004 return 0;
4005 }
4006
mt7996_mcu_get_temperature(struct mt7996_phy * phy)4007 int mt7996_mcu_get_temperature(struct mt7996_phy *phy)
4008 {
4009 #define TEMPERATURE_QUERY 0
4010 #define GET_TEMPERATURE 0
4011 struct {
4012 u8 _rsv[4];
4013
4014 __le16 tag;
4015 __le16 len;
4016
4017 u8 rsv1;
4018 u8 action;
4019 u8 band_idx;
4020 u8 rsv2;
4021 } req = {
4022 .tag = cpu_to_le16(TEMPERATURE_QUERY),
4023 .len = cpu_to_le16(sizeof(req) - 4),
4024 .action = GET_TEMPERATURE,
4025 .band_idx = phy->mt76->band_idx,
4026 };
4027 struct mt7996_mcu_thermal {
4028 u8 _rsv[4];
4029
4030 __le16 tag;
4031 __le16 len;
4032
4033 __le32 rsv;
4034 __le32 temperature;
4035 } __packed * res;
4036 struct sk_buff *skb;
4037 int ret;
4038 u32 temp;
4039
4040 ret = mt76_mcu_send_and_get_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
4041 &req, sizeof(req), true, &skb);
4042 if (ret)
4043 return ret;
4044
4045 res = (void *)skb->data;
4046 temp = le32_to_cpu(res->temperature);
4047 dev_kfree_skb(skb);
4048
4049 return temp;
4050 }
4051
mt7996_mcu_set_thermal_throttling(struct mt7996_phy * phy,u8 state)4052 int mt7996_mcu_set_thermal_throttling(struct mt7996_phy *phy, u8 state)
4053 {
4054 struct {
4055 u8 _rsv[4];
4056
4057 __le16 tag;
4058 __le16 len;
4059
4060 struct mt7996_mcu_thermal_ctrl ctrl;
4061 } __packed req = {
4062 .tag = cpu_to_le16(UNI_CMD_THERMAL_PROTECT_DUTY_CONFIG),
4063 .len = cpu_to_le16(sizeof(req) - 4),
4064 .ctrl = {
4065 .band_idx = phy->mt76->band_idx,
4066 },
4067 };
4068 int level, ret;
4069
4070 /* set duty cycle and level */
4071 for (level = 0; level < 4; level++) {
4072 req.ctrl.duty.duty_level = level;
4073 req.ctrl.duty.duty_cycle = state;
4074 state /= 2;
4075
4076 ret = mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
4077 &req, sizeof(req), false);
4078 if (ret)
4079 return ret;
4080 }
4081
4082 return 0;
4083 }
4084
mt7996_mcu_set_thermal_protect(struct mt7996_phy * phy,bool enable)4085 int mt7996_mcu_set_thermal_protect(struct mt7996_phy *phy, bool enable)
4086 {
4087 #define SUSTAIN_PERIOD 10
4088 struct {
4089 u8 _rsv[4];
4090
4091 __le16 tag;
4092 __le16 len;
4093
4094 struct mt7996_mcu_thermal_ctrl ctrl;
4095 struct mt7996_mcu_thermal_enable enable;
4096 } __packed req = {
4097 .len = cpu_to_le16(sizeof(req) - 4 - sizeof(req.enable)),
4098 .ctrl = {
4099 .band_idx = phy->mt76->band_idx,
4100 .type.protect_type = 1,
4101 .type.trigger_type = 1,
4102 },
4103 };
4104 int ret;
4105
4106 req.tag = cpu_to_le16(UNI_CMD_THERMAL_PROTECT_DISABLE);
4107
4108 ret = mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
4109 &req, sizeof(req) - sizeof(req.enable), false);
4110 if (ret || !enable)
4111 return ret;
4112
4113 /* set high-temperature trigger threshold */
4114 req.tag = cpu_to_le16(UNI_CMD_THERMAL_PROTECT_ENABLE);
4115 req.enable.restore_temp = cpu_to_le32(phy->throttle_temp[0]);
4116 req.enable.trigger_temp = cpu_to_le32(phy->throttle_temp[1]);
4117 req.enable.sustain_time = cpu_to_le16(SUSTAIN_PERIOD);
4118
4119 req.len = cpu_to_le16(sizeof(req) - 4);
4120
4121 return mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
4122 &req, sizeof(req), false);
4123 }
4124
mt7996_mcu_set_ser(struct mt7996_dev * dev,u8 action,u8 val,u8 band)4125 int mt7996_mcu_set_ser(struct mt7996_dev *dev, u8 action, u8 val, u8 band)
4126 {
4127 struct {
4128 u8 rsv[4];
4129
4130 __le16 tag;
4131 __le16 len;
4132
4133 union {
4134 struct {
4135 __le32 mask;
4136 } __packed set;
4137
4138 struct {
4139 u8 method;
4140 u8 band;
4141 u8 rsv2[2];
4142 } __packed trigger;
4143 };
4144 } __packed req = {
4145 .tag = cpu_to_le16(action),
4146 .len = cpu_to_le16(sizeof(req) - 4),
4147 };
4148
4149 switch (action) {
4150 case UNI_CMD_SER_SET:
4151 req.set.mask = cpu_to_le32(val);
4152 break;
4153 case UNI_CMD_SER_TRIGGER:
4154 req.trigger.method = val;
4155 req.trigger.band = band;
4156 break;
4157 default:
4158 return -EINVAL;
4159 }
4160
4161 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SER),
4162 &req, sizeof(req), false);
4163 }
4164
mt7996_mcu_set_txbf(struct mt7996_dev * dev,u8 action)4165 int mt7996_mcu_set_txbf(struct mt7996_dev *dev, u8 action)
4166 {
4167 #define MT7996_BF_MAX_SIZE sizeof(union bf_tag_tlv)
4168 #define BF_PROCESSING 4
4169 struct uni_header hdr;
4170 struct sk_buff *skb;
4171 struct tlv *tlv;
4172 int len = sizeof(hdr) + MT7996_BF_MAX_SIZE;
4173
4174 memset(&hdr, 0, sizeof(hdr));
4175
4176 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
4177 if (!skb)
4178 return -ENOMEM;
4179
4180 skb_put_data(skb, &hdr, sizeof(hdr));
4181
4182 switch (action) {
4183 case BF_SOUNDING_ON: {
4184 struct bf_sounding_on *req_snd_on;
4185
4186 tlv = mt7996_mcu_add_uni_tlv(skb, action, sizeof(*req_snd_on));
4187 req_snd_on = (struct bf_sounding_on *)tlv;
4188 req_snd_on->snd_mode = BF_PROCESSING;
4189 break;
4190 }
4191 case BF_HW_EN_UPDATE: {
4192 struct bf_hw_en_status_update *req_hw_en;
4193
4194 tlv = mt7996_mcu_add_uni_tlv(skb, action, sizeof(*req_hw_en));
4195 req_hw_en = (struct bf_hw_en_status_update *)tlv;
4196 req_hw_en->ebf = true;
4197 req_hw_en->ibf = dev->ibf;
4198 break;
4199 }
4200 case BF_MOD_EN_CTRL: {
4201 struct bf_mod_en_ctrl *req_mod_en;
4202
4203 tlv = mt7996_mcu_add_uni_tlv(skb, action, sizeof(*req_mod_en));
4204 req_mod_en = (struct bf_mod_en_ctrl *)tlv;
4205 req_mod_en->bf_num = mt7996_band_valid(dev, MT_BAND2) ? 3 : 2;
4206 req_mod_en->bf_bitmap = mt7996_band_valid(dev, MT_BAND2) ?
4207 GENMASK(2, 0) : GENMASK(1, 0);
4208 break;
4209 }
4210 default:
4211 return -EINVAL;
4212 }
4213
4214 return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WM_UNI_CMD(BF), true);
4215 }
4216
4217 static int
mt7996_mcu_enable_obss_spr(struct mt7996_phy * phy,u16 action,u8 val)4218 mt7996_mcu_enable_obss_spr(struct mt7996_phy *phy, u16 action, u8 val)
4219 {
4220 struct mt7996_dev *dev = phy->dev;
4221 struct {
4222 u8 band_idx;
4223 u8 __rsv[3];
4224
4225 __le16 tag;
4226 __le16 len;
4227
4228 __le32 val;
4229 } __packed req = {
4230 .band_idx = phy->mt76->band_idx,
4231 .tag = cpu_to_le16(action),
4232 .len = cpu_to_le16(sizeof(req) - 4),
4233 .val = cpu_to_le32(val),
4234 };
4235
4236 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR),
4237 &req, sizeof(req), true);
4238 }
4239
4240 static int
mt7996_mcu_set_obss_spr_pd(struct mt7996_phy * phy,struct ieee80211_he_obss_pd * he_obss_pd)4241 mt7996_mcu_set_obss_spr_pd(struct mt7996_phy *phy,
4242 struct ieee80211_he_obss_pd *he_obss_pd)
4243 {
4244 struct mt7996_dev *dev = phy->dev;
4245 u8 max_th = 82, non_srg_max_th = 62;
4246 struct {
4247 u8 band_idx;
4248 u8 __rsv[3];
4249
4250 __le16 tag;
4251 __le16 len;
4252
4253 u8 pd_th_non_srg;
4254 u8 pd_th_srg;
4255 u8 period_offs;
4256 u8 rcpi_src;
4257 __le16 obss_pd_min;
4258 __le16 obss_pd_min_srg;
4259 u8 resp_txpwr_mode;
4260 u8 txpwr_restrict_mode;
4261 u8 txpwr_ref;
4262 u8 __rsv2[3];
4263 } __packed req = {
4264 .band_idx = phy->mt76->band_idx,
4265 .tag = cpu_to_le16(UNI_CMD_SR_SET_PARAM),
4266 .len = cpu_to_le16(sizeof(req) - 4),
4267 .obss_pd_min = cpu_to_le16(max_th),
4268 .obss_pd_min_srg = cpu_to_le16(max_th),
4269 .txpwr_restrict_mode = 2,
4270 .txpwr_ref = 21
4271 };
4272 int ret;
4273
4274 /* disable firmware dynamical PD asjustment */
4275 ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_DPD, false);
4276 if (ret)
4277 return ret;
4278
4279 if (he_obss_pd->sr_ctrl &
4280 IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED)
4281 req.pd_th_non_srg = max_th;
4282 else if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
4283 req.pd_th_non_srg = max_th - he_obss_pd->non_srg_max_offset;
4284 else
4285 req.pd_th_non_srg = non_srg_max_th;
4286
4287 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
4288 req.pd_th_srg = max_th - he_obss_pd->max_offset;
4289
4290 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR),
4291 &req, sizeof(req), true);
4292 }
4293
4294 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)4295 mt7996_mcu_set_obss_spr_siga(struct mt7996_phy *phy,
4296 struct mt7996_vif_link *link,
4297 struct ieee80211_he_obss_pd *he_obss_pd)
4298 {
4299 struct mt7996_dev *dev = phy->dev;
4300 u8 omac = link->mt76.omac_idx;
4301 struct {
4302 u8 band_idx;
4303 u8 __rsv[3];
4304
4305 __le16 tag;
4306 __le16 len;
4307
4308 u8 omac;
4309 u8 __rsv2[3];
4310 u8 flag[20];
4311 } __packed req = {
4312 .band_idx = phy->mt76->band_idx,
4313 .tag = cpu_to_le16(UNI_CMD_SR_SET_SIGA),
4314 .len = cpu_to_le16(sizeof(req) - 4),
4315 .omac = omac > HW_BSSID_MAX ? omac - 12 : omac,
4316 };
4317 int ret;
4318
4319 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED)
4320 req.flag[req.omac] = 0xf;
4321 else
4322 return 0;
4323
4324 /* switch to normal AP mode */
4325 ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_MODE, 0);
4326 if (ret)
4327 return ret;
4328
4329 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR),
4330 &req, sizeof(req), true);
4331 }
4332
4333 static int
mt7996_mcu_set_obss_spr_bitmap(struct mt7996_phy * phy,struct ieee80211_he_obss_pd * he_obss_pd)4334 mt7996_mcu_set_obss_spr_bitmap(struct mt7996_phy *phy,
4335 struct ieee80211_he_obss_pd *he_obss_pd)
4336 {
4337 struct mt7996_dev *dev = phy->dev;
4338 struct {
4339 u8 band_idx;
4340 u8 __rsv[3];
4341
4342 __le16 tag;
4343 __le16 len;
4344
4345 __le32 color_l[2];
4346 __le32 color_h[2];
4347 __le32 bssid_l[2];
4348 __le32 bssid_h[2];
4349 } __packed req = {
4350 .band_idx = phy->mt76->band_idx,
4351 .tag = cpu_to_le16(UNI_CMD_SR_SET_SRG_BITMAP),
4352 .len = cpu_to_le16(sizeof(req) - 4),
4353 };
4354 u32 bitmap;
4355
4356 memcpy(&bitmap, he_obss_pd->bss_color_bitmap, sizeof(bitmap));
4357 req.color_l[req.band_idx] = cpu_to_le32(bitmap);
4358
4359 memcpy(&bitmap, he_obss_pd->bss_color_bitmap + 4, sizeof(bitmap));
4360 req.color_h[req.band_idx] = cpu_to_le32(bitmap);
4361
4362 memcpy(&bitmap, he_obss_pd->partial_bssid_bitmap, sizeof(bitmap));
4363 req.bssid_l[req.band_idx] = cpu_to_le32(bitmap);
4364
4365 memcpy(&bitmap, he_obss_pd->partial_bssid_bitmap + 4, sizeof(bitmap));
4366 req.bssid_h[req.band_idx] = cpu_to_le32(bitmap);
4367
4368 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR), &req,
4369 sizeof(req), true);
4370 }
4371
mt7996_mcu_add_obss_spr(struct mt7996_phy * phy,struct mt7996_vif_link * link,struct ieee80211_he_obss_pd * he_obss_pd)4372 int mt7996_mcu_add_obss_spr(struct mt7996_phy *phy,
4373 struct mt7996_vif_link *link,
4374 struct ieee80211_he_obss_pd *he_obss_pd)
4375 {
4376 int ret;
4377
4378 /* enable firmware scene detection algorithms */
4379 ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_SD,
4380 sr_scene_detect);
4381 if (ret)
4382 return ret;
4383
4384 /* firmware dynamically adjusts PD threshold so skip manual control */
4385 if (sr_scene_detect && !he_obss_pd->enable)
4386 return 0;
4387
4388 /* enable spatial reuse */
4389 ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE,
4390 he_obss_pd->enable);
4391 if (ret)
4392 return ret;
4393
4394 if (sr_scene_detect || !he_obss_pd->enable)
4395 return 0;
4396
4397 ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_TX, true);
4398 if (ret)
4399 return ret;
4400
4401 /* set SRG/non-SRG OBSS PD threshold */
4402 ret = mt7996_mcu_set_obss_spr_pd(phy, he_obss_pd);
4403 if (ret)
4404 return ret;
4405
4406 /* Set SR prohibit */
4407 ret = mt7996_mcu_set_obss_spr_siga(phy, link, he_obss_pd);
4408 if (ret)
4409 return ret;
4410
4411 /* set SRG BSS color/BSSID bitmap */
4412 return mt7996_mcu_set_obss_spr_bitmap(phy, he_obss_pd);
4413 }
4414
mt7996_mcu_update_bss_color(struct mt7996_dev * dev,struct mt76_vif_link * mlink,struct cfg80211_he_bss_color * he_bss_color)4415 int mt7996_mcu_update_bss_color(struct mt7996_dev *dev,
4416 struct mt76_vif_link *mlink,
4417 struct cfg80211_he_bss_color *he_bss_color)
4418 {
4419 int len = sizeof(struct bss_req_hdr) + sizeof(struct bss_color_tlv);
4420 struct bss_color_tlv *bss_color;
4421 struct sk_buff *skb;
4422 struct tlv *tlv;
4423
4424 skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, mlink, len);
4425 if (IS_ERR(skb))
4426 return PTR_ERR(skb);
4427
4428 tlv = mt76_connac_mcu_add_tlv(skb, UNI_BSS_INFO_BSS_COLOR,
4429 sizeof(*bss_color));
4430 bss_color = (struct bss_color_tlv *)tlv;
4431 bss_color->enable = he_bss_color->enabled;
4432 bss_color->color = he_bss_color->color;
4433
4434 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
4435 MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
4436 }
4437
4438 #define TWT_AGRT_TRIGGER BIT(0)
4439 #define TWT_AGRT_ANNOUNCE BIT(1)
4440 #define TWT_AGRT_PROTECT BIT(2)
4441
mt7996_mcu_twt_agrt_update(struct mt7996_dev * dev,struct mt7996_vif_link * link,struct mt7996_twt_flow * flow,int cmd)4442 int mt7996_mcu_twt_agrt_update(struct mt7996_dev *dev,
4443 struct mt7996_vif_link *link,
4444 struct mt7996_twt_flow *flow,
4445 int cmd)
4446 {
4447 struct {
4448 /* fixed field */
4449 u8 bss;
4450 u8 _rsv[3];
4451
4452 __le16 tag;
4453 __le16 len;
4454 u8 tbl_idx;
4455 u8 cmd;
4456 u8 own_mac_idx;
4457 u8 flowid; /* 0xff for group id */
4458 __le16 peer_id; /* specify the peer_id (msb=0)
4459 * or group_id (msb=1)
4460 */
4461 u8 duration; /* 256 us */
4462 u8 bss_idx;
4463 __le64 start_tsf;
4464 __le16 mantissa;
4465 u8 exponent;
4466 u8 is_ap;
4467 u8 agrt_params;
4468 u8 __rsv2[23];
4469 } __packed req = {
4470 .tag = cpu_to_le16(UNI_CMD_TWT_ARGT_UPDATE),
4471 .len = cpu_to_le16(sizeof(req) - 4),
4472 .tbl_idx = flow->table_id,
4473 .cmd = cmd,
4474 .own_mac_idx = link->mt76.omac_idx,
4475 .flowid = flow->id,
4476 .peer_id = cpu_to_le16(flow->wcid),
4477 .duration = flow->duration,
4478 .bss = link->mt76.idx,
4479 .bss_idx = link->mt76.idx,
4480 .start_tsf = cpu_to_le64(flow->tsf),
4481 .mantissa = flow->mantissa,
4482 .exponent = flow->exp,
4483 .is_ap = true,
4484 };
4485
4486 if (flow->protection)
4487 req.agrt_params |= TWT_AGRT_PROTECT;
4488 if (!flow->flowtype)
4489 req.agrt_params |= TWT_AGRT_ANNOUNCE;
4490 if (flow->trigger)
4491 req.agrt_params |= TWT_AGRT_TRIGGER;
4492
4493 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(TWT),
4494 &req, sizeof(req), true);
4495 }
4496
mt7996_mcu_set_rts_thresh(struct mt7996_phy * phy,u32 val)4497 int mt7996_mcu_set_rts_thresh(struct mt7996_phy *phy, u32 val)
4498 {
4499 struct {
4500 u8 band_idx;
4501 u8 _rsv[3];
4502
4503 __le16 tag;
4504 __le16 len;
4505 __le32 len_thresh;
4506 __le32 pkt_thresh;
4507 } __packed req = {
4508 .band_idx = phy->mt76->band_idx,
4509 .tag = cpu_to_le16(UNI_BAND_CONFIG_RTS_THRESHOLD),
4510 .len = cpu_to_le16(sizeof(req) - 4),
4511 .len_thresh = cpu_to_le32(val),
4512 .pkt_thresh = cpu_to_le32(0x2),
4513 };
4514
4515 return mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(BAND_CONFIG),
4516 &req, sizeof(req), true);
4517 }
4518
mt7996_mcu_set_radio_en(struct mt7996_phy * phy,bool enable)4519 int mt7996_mcu_set_radio_en(struct mt7996_phy *phy, bool enable)
4520 {
4521 struct {
4522 u8 band_idx;
4523 u8 _rsv[3];
4524
4525 __le16 tag;
4526 __le16 len;
4527 u8 enable;
4528 u8 _rsv2[3];
4529 } __packed req = {
4530 .band_idx = phy->mt76->band_idx,
4531 .tag = cpu_to_le16(UNI_BAND_CONFIG_RADIO_ENABLE),
4532 .len = cpu_to_le16(sizeof(req) - 4),
4533 .enable = enable,
4534 };
4535
4536 return mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(BAND_CONFIG),
4537 &req, sizeof(req), true);
4538 }
4539
mt7996_mcu_rdd_cmd(struct mt7996_dev * dev,int cmd,u8 rdd_idx,u8 val)4540 int mt7996_mcu_rdd_cmd(struct mt7996_dev *dev, int cmd, u8 rdd_idx, u8 val)
4541 {
4542 struct {
4543 u8 _rsv[4];
4544
4545 __le16 tag;
4546 __le16 len;
4547
4548 u8 ctrl;
4549 u8 rdd_idx;
4550 u8 rdd_rx_sel;
4551 u8 val;
4552 u8 rsv[4];
4553 } __packed req = {
4554 .tag = cpu_to_le16(UNI_RDD_CTRL_PARM),
4555 .len = cpu_to_le16(sizeof(req) - 4),
4556 .ctrl = cmd,
4557 .rdd_idx = rdd_idx,
4558 .val = val,
4559 };
4560
4561 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL),
4562 &req, sizeof(req), true);
4563 }
4564
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)4565 int mt7996_mcu_wtbl_update_hdr_trans(struct mt7996_dev *dev,
4566 struct ieee80211_vif *vif,
4567 struct mt7996_vif_link *link,
4568 struct mt7996_sta_link *msta_link)
4569 {
4570 struct sk_buff *skb;
4571
4572 skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76,
4573 &msta_link->wcid,
4574 MT7996_STA_UPDATE_MAX_SIZE);
4575 if (IS_ERR(skb))
4576 return PTR_ERR(skb);
4577
4578 /* starec hdr trans */
4579 mt7996_mcu_sta_hdr_trans_tlv(dev, skb, vif, &msta_link->wcid);
4580 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
4581 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
4582 }
4583
mt7996_mcu_set_fixed_rate_table(struct mt7996_phy * phy,u8 table_idx,u16 rate_idx,bool beacon)4584 int mt7996_mcu_set_fixed_rate_table(struct mt7996_phy *phy, u8 table_idx,
4585 u16 rate_idx, bool beacon)
4586 {
4587 #define UNI_FIXED_RATE_TABLE_SET 0
4588 #define SPE_IXD_SELECT_TXD 0
4589 #define SPE_IXD_SELECT_BMC_WTBL 1
4590 struct mt7996_dev *dev = phy->dev;
4591 struct fixed_rate_table_ctrl req = {
4592 .tag = cpu_to_le16(UNI_FIXED_RATE_TABLE_SET),
4593 .len = cpu_to_le16(sizeof(req) - 4),
4594 .table_idx = table_idx,
4595 .rate_idx = cpu_to_le16(rate_idx),
4596 .gi = 1,
4597 .he_ltf = 1,
4598 };
4599 u8 band_idx = phy->mt76->band_idx;
4600
4601 if (beacon) {
4602 req.spe_idx_sel = SPE_IXD_SELECT_TXD;
4603 req.spe_idx = 24 + band_idx;
4604 phy->beacon_rate = rate_idx;
4605 } else {
4606 req.spe_idx_sel = SPE_IXD_SELECT_BMC_WTBL;
4607 }
4608
4609 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(FIXED_RATE_TABLE),
4610 &req, sizeof(req), false);
4611 }
4612
mt7996_mcu_rf_regval(struct mt7996_dev * dev,u32 regidx,u32 * val,bool set)4613 int mt7996_mcu_rf_regval(struct mt7996_dev *dev, u32 regidx, u32 *val, bool set)
4614 {
4615 struct {
4616 u8 __rsv1[4];
4617
4618 __le16 tag;
4619 __le16 len;
4620 __le16 idx;
4621 u8 __rsv2[2];
4622 __le32 ofs;
4623 __le32 data;
4624 } __packed *res, req = {
4625 .tag = cpu_to_le16(UNI_CMD_ACCESS_RF_REG_BASIC),
4626 .len = cpu_to_le16(sizeof(req) - 4),
4627
4628 .idx = cpu_to_le16(u32_get_bits(regidx, GENMASK(31, 24))),
4629 .ofs = cpu_to_le32(u32_get_bits(regidx, GENMASK(23, 0))),
4630 .data = set ? cpu_to_le32(*val) : 0,
4631 };
4632 struct sk_buff *skb;
4633 int ret;
4634
4635 if (set)
4636 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(REG_ACCESS),
4637 &req, sizeof(req), true);
4638
4639 ret = mt76_mcu_send_and_get_msg(&dev->mt76,
4640 MCU_WM_UNI_CMD_QUERY(REG_ACCESS),
4641 &req, sizeof(req), true, &skb);
4642 if (ret)
4643 return ret;
4644
4645 res = (void *)skb->data;
4646 *val = le32_to_cpu(res->data);
4647 dev_kfree_skb(skb);
4648
4649 return 0;
4650 }
4651
mt7996_mcu_trigger_assert(struct mt7996_dev * dev)4652 int mt7996_mcu_trigger_assert(struct mt7996_dev *dev)
4653 {
4654 struct {
4655 __le16 tag;
4656 __le16 len;
4657 u8 enable;
4658 u8 rsv[3];
4659 } __packed req = {
4660 .len = cpu_to_le16(sizeof(req) - 4),
4661 .enable = true,
4662 };
4663
4664 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(ASSERT_DUMP),
4665 &req, sizeof(req), false);
4666 }
4667
mt7996_mcu_set_rro(struct mt7996_dev * dev,u16 tag,u16 val)4668 int mt7996_mcu_set_rro(struct mt7996_dev *dev, u16 tag, u16 val)
4669 {
4670 struct {
4671 u8 __rsv1[4];
4672 __le16 tag;
4673 __le16 len;
4674 union {
4675 struct {
4676 u8 type;
4677 u8 __rsv2[3];
4678 } __packed platform_type;
4679 struct {
4680 u8 type;
4681 u8 dest;
4682 u8 __rsv2[2];
4683 } __packed bypass_mode;
4684 struct {
4685 u8 path;
4686 u8 __rsv2[3];
4687 } __packed txfree_path;
4688 struct {
4689 __le16 flush_one;
4690 __le16 flush_all;
4691 u8 __rsv2[4];
4692 } __packed timeout;
4693 };
4694 } __packed req = {
4695 .tag = cpu_to_le16(tag),
4696 .len = cpu_to_le16(sizeof(req) - 4),
4697 };
4698
4699 switch (tag) {
4700 case UNI_RRO_SET_PLATFORM_TYPE:
4701 req.platform_type.type = val;
4702 break;
4703 case UNI_RRO_SET_BYPASS_MODE:
4704 req.bypass_mode.type = val;
4705 break;
4706 case UNI_RRO_SET_TXFREE_PATH:
4707 req.txfree_path.path = val;
4708 break;
4709 case UNI_RRO_SET_FLUSH_TIMEOUT:
4710 req.timeout.flush_one = cpu_to_le16(val);
4711 req.timeout.flush_all = cpu_to_le16(2 * val);
4712 break;
4713 default:
4714 return -EINVAL;
4715 }
4716
4717 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RRO), &req,
4718 sizeof(req), true);
4719 }
4720
mt7996_mcu_get_all_sta_info(struct mt7996_phy * phy,u16 tag)4721 int mt7996_mcu_get_all_sta_info(struct mt7996_phy *phy, u16 tag)
4722 {
4723 struct mt7996_dev *dev = phy->dev;
4724 struct {
4725 u8 _rsv[4];
4726
4727 __le16 tag;
4728 __le16 len;
4729 } __packed req = {
4730 .tag = cpu_to_le16(tag),
4731 .len = cpu_to_le16(sizeof(req) - 4),
4732 };
4733
4734 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(ALL_STA_INFO),
4735 &req, sizeof(req), false);
4736 }
4737
mt7996_mcu_wed_rro_reset_sessions(struct mt7996_dev * dev,u16 id)4738 int mt7996_mcu_wed_rro_reset_sessions(struct mt7996_dev *dev, u16 id)
4739 {
4740 struct {
4741 u8 __rsv[4];
4742
4743 __le16 tag;
4744 __le16 len;
4745 __le16 session_id;
4746 u8 pad[4];
4747 } __packed req = {
4748 .tag = cpu_to_le16(UNI_RRO_DEL_BA_SESSION),
4749 .len = cpu_to_le16(sizeof(req) - 4),
4750 .session_id = cpu_to_le16(id),
4751 };
4752
4753 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RRO), &req,
4754 sizeof(req), true);
4755 }
4756
mt7996_mcu_set_sniffer_mode(struct mt7996_phy * phy,bool enabled)4757 int mt7996_mcu_set_sniffer_mode(struct mt7996_phy *phy, bool enabled)
4758 {
4759 struct mt7996_dev *dev = phy->dev;
4760 struct {
4761 u8 band_idx;
4762 u8 _rsv[3];
4763 __le16 tag;
4764 __le16 len;
4765 u8 enable;
4766 u8 _pad[3];
4767 } __packed req = {
4768 .band_idx = phy->mt76->band_idx,
4769 .tag = 0,
4770 .len = cpu_to_le16(sizeof(req) - 4),
4771 .enable = enabled,
4772 };
4773
4774 return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SNIFFER), &req,
4775 sizeof(req), true);
4776 }
4777
mt7996_mcu_set_txpower_sku(struct mt7996_phy * phy)4778 int mt7996_mcu_set_txpower_sku(struct mt7996_phy *phy)
4779 {
4780 #define TX_POWER_LIMIT_TABLE_RATE 0
4781 struct mt7996_dev *dev = phy->dev;
4782 struct mt76_phy *mphy = phy->mt76;
4783 struct tx_power_limit_table_ctrl {
4784 u8 __rsv1[4];
4785
4786 __le16 tag;
4787 __le16 len;
4788 u8 power_ctrl_id;
4789 u8 power_limit_type;
4790 u8 band_idx;
4791 } __packed req = {
4792 .tag = cpu_to_le16(UNI_TXPOWER_POWER_LIMIT_TABLE_CTRL),
4793 .len = cpu_to_le16(sizeof(req) + MT7996_SKU_PATH_NUM - 4),
4794 .power_ctrl_id = UNI_TXPOWER_POWER_LIMIT_TABLE_CTRL,
4795 .power_limit_type = TX_POWER_LIMIT_TABLE_RATE,
4796 .band_idx = phy->mt76->band_idx,
4797 };
4798 struct mt76_power_limits la = {};
4799 struct sk_buff *skb;
4800 int i, tx_power;
4801
4802 tx_power = mt76_get_power_bound(mphy, phy->txpower);
4803 tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan,
4804 &la, tx_power);
4805 mphy->txpower_cur = tx_power;
4806
4807 skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
4808 sizeof(req) + MT7996_SKU_PATH_NUM);
4809 if (!skb)
4810 return -ENOMEM;
4811
4812 skb_put_data(skb, &req, sizeof(req));
4813 /* cck and ofdm */
4814 skb_put_data(skb, &la.cck, sizeof(la.cck));
4815 skb_put_data(skb, &la.ofdm, sizeof(la.ofdm));
4816 /* ht20 */
4817 skb_put_data(skb, &la.mcs[0], 8);
4818 /* ht40 */
4819 skb_put_data(skb, &la.mcs[1], 9);
4820
4821 /* vht */
4822 for (i = 0; i < 4; i++) {
4823 skb_put_data(skb, &la.mcs[i], sizeof(la.mcs[i]));
4824 skb_put_zero(skb, 2); /* padding */
4825 }
4826
4827 /* he */
4828 skb_put_data(skb, &la.ru[0], sizeof(la.ru));
4829 /* eht */
4830 skb_put_data(skb, &la.eht[0], sizeof(la.eht));
4831
4832 /* padding */
4833 skb_put_zero(skb, MT7996_SKU_PATH_NUM - MT7996_SKU_RATE_NUM);
4834
4835 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
4836 MCU_WM_UNI_CMD(TXPOWER), true);
4837 }
4838
mt7996_mcu_cp_support(struct mt7996_dev * dev,u8 mode)4839 int mt7996_mcu_cp_support(struct mt7996_dev *dev, u8 mode)
4840 {
4841 __le32 cp_mode;
4842
4843 if (mode < mt76_connac_lmac_mapping(IEEE80211_AC_BE) ||
4844 mode > mt76_connac_lmac_mapping(IEEE80211_AC_VO))
4845 return -EINVAL;
4846
4847 if (!mt7996_has_wa(dev)) {
4848 struct {
4849 u8 _rsv[4];
4850
4851 __le16 tag;
4852 __le16 len;
4853 u8 cp_mode;
4854 u8 rsv[3];
4855 } __packed req = {
4856 .tag = cpu_to_le16(UNI_CMD_SDO_CP_MODE),
4857 .len = cpu_to_le16(sizeof(req) - 4),
4858 .cp_mode = mode,
4859 };
4860
4861 return mt76_mcu_send_msg(&dev->mt76, MCU_WA_UNI_CMD(SDO),
4862 &req, sizeof(req), false);
4863 }
4864
4865 cp_mode = cpu_to_le32(mode);
4866
4867 return mt76_mcu_send_msg(&dev->mt76, MCU_WA_EXT_CMD(CP_SUPPORT),
4868 &cp_mode, sizeof(cp_mode), true);
4869 }
4870