1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #include <linux/fs.h>
5 #include <linux/firmware.h>
6 #include "mt7921.h"
7 #include "regd.h"
8 #include "mcu.h"
9 #include "../mt76_connac2_mac.h"
10 #include "../mt792x_trace.h"
11
12 #define MT_STA_BFER BIT(0)
13 #define MT_STA_BFEE BIT(1)
14
mt7921_mcu_parse_response(struct mt76_dev * mdev,int cmd,struct sk_buff * skb,int seq)15 int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
16 struct sk_buff *skb, int seq)
17 {
18 int mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
19 struct mt76_connac2_mcu_rxd *rxd;
20 int ret = 0;
21
22 if (!skb) {
23 dev_err(mdev->dev, "Message %08x (seq %d) timeout\n",
24 cmd, seq);
25 mt792x_reset(mdev);
26
27 return -ETIMEDOUT;
28 }
29
30 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
31 if (seq != rxd->seq)
32 return -EAGAIN;
33
34 if (cmd == MCU_CMD(PATCH_SEM_CONTROL) ||
35 cmd == MCU_CMD(PATCH_FINISH_REQ)) {
36 skb_pull(skb, sizeof(*rxd) - 4);
37 ret = *skb->data;
38 } else if (cmd == MCU_EXT_CMD(THERMAL_CTRL)) {
39 skb_pull(skb, sizeof(*rxd) + 4);
40 ret = le32_to_cpu(*(__le32 *)skb->data);
41 } else if (cmd == MCU_UNI_CMD(DEV_INFO_UPDATE) ||
42 cmd == MCU_UNI_CMD(BSS_INFO_UPDATE) ||
43 cmd == MCU_UNI_CMD(STA_REC_UPDATE) ||
44 cmd == MCU_UNI_CMD(HIF_CTRL) ||
45 cmd == MCU_UNI_CMD(OFFLOAD) ||
46 cmd == MCU_UNI_CMD(SUSPEND)) {
47 struct mt76_connac_mcu_uni_event *event;
48
49 skb_pull(skb, sizeof(*rxd));
50 event = (struct mt76_connac_mcu_uni_event *)skb->data;
51 ret = le32_to_cpu(event->status);
52 /* skip invalid event */
53 if (mcu_cmd != event->cid)
54 ret = -EAGAIN;
55 } else if (cmd == MCU_CE_QUERY(REG_READ)) {
56 struct mt76_connac_mcu_reg_event *event;
57
58 skb_pull(skb, sizeof(*rxd));
59 event = (struct mt76_connac_mcu_reg_event *)skb->data;
60 ret = (int)le32_to_cpu(event->val);
61 } else if (cmd == MCU_EXT_CMD(WF_RF_PIN_CTRL)) {
62 struct mt7921_wf_rf_pin_ctrl_event *event;
63
64 skb_pull(skb, sizeof(*rxd));
65 event = (struct mt7921_wf_rf_pin_ctrl_event *)skb->data;
66 ret = (int)event->result;
67 } else {
68 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
69 }
70
71 return ret;
72 }
73 EXPORT_SYMBOL_GPL(mt7921_mcu_parse_response);
74
mt7921_mcu_read_eeprom(struct mt792x_dev * dev,u32 offset,u8 * val)75 static int mt7921_mcu_read_eeprom(struct mt792x_dev *dev, u32 offset, u8 *val)
76 {
77 struct mt7921_mcu_eeprom_info *res, req = {
78 .addr = cpu_to_le32(round_down(offset,
79 MT7921_EEPROM_BLOCK_SIZE)),
80 };
81 struct sk_buff *skb;
82 int ret;
83
84 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_QUERY(EFUSE_ACCESS),
85 &req, sizeof(req), true, &skb);
86 if (ret)
87 return ret;
88
89 res = (struct mt7921_mcu_eeprom_info *)skb->data;
90 *val = res->data[offset % MT7921_EEPROM_BLOCK_SIZE];
91 dev_kfree_skb(skb);
92
93 return 0;
94 }
95
96 #ifdef CONFIG_PM
97
98 static int
mt7921_mcu_set_ipv6_ns_filter(struct mt76_dev * dev,struct ieee80211_vif * vif,bool suspend)99 mt7921_mcu_set_ipv6_ns_filter(struct mt76_dev *dev,
100 struct ieee80211_vif *vif, bool suspend)
101 {
102 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
103 struct {
104 struct {
105 u8 bss_idx;
106 u8 pad[3];
107 } __packed hdr;
108 struct mt76_connac_arpns_tlv arpns;
109 } req = {
110 .hdr = {
111 .bss_idx = mvif->bss_conf.mt76.idx,
112 },
113 .arpns = {
114 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
115 .len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)),
116 .mode = suspend,
117 },
118 };
119
120 return mt76_mcu_send_msg(dev, MCU_UNI_CMD_OFFLOAD, &req, sizeof(req),
121 true);
122 }
123
mt7921_mcu_set_suspend_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)124 void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
125 {
126 if (IS_ENABLED(CONFIG_IPV6)) {
127 struct mt76_phy *phy = priv;
128
129 mt7921_mcu_set_ipv6_ns_filter(phy->dev, vif,
130 !test_bit(MT76_STATE_RUNNING,
131 &phy->state));
132 }
133
134 mt76_connac_mcu_set_suspend_iter(priv, mac, vif);
135 }
136
137 #endif /* CONFIG_PM */
138
139 static void
mt7921_mcu_uni_roc_event(struct mt792x_dev * dev,struct sk_buff * skb)140 mt7921_mcu_uni_roc_event(struct mt792x_dev *dev, struct sk_buff *skb)
141 {
142 struct mt7921_roc_grant_tlv *grant;
143 struct mt76_connac2_mcu_rxd *rxd;
144 int duration;
145
146 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
147 grant = (struct mt7921_roc_grant_tlv *)(rxd->tlv + 4);
148
149 /* should never happen */
150 WARN_ON_ONCE((le16_to_cpu(grant->tag) != UNI_EVENT_ROC_GRANT));
151
152 if (grant->reqtype == MT7921_ROC_REQ_ROC)
153 ieee80211_ready_on_channel(dev->mt76.phy.hw);
154
155 dev->phy.roc_grant = true;
156 wake_up(&dev->phy.roc_wait);
157 duration = le32_to_cpu(grant->max_interval);
158 mod_timer(&dev->phy.roc_timer,
159 jiffies + msecs_to_jiffies(duration));
160 }
161
162 static void
mt7921_mcu_scan_event(struct mt792x_dev * dev,struct sk_buff * skb)163 mt7921_mcu_scan_event(struct mt792x_dev *dev, struct sk_buff *skb)
164 {
165 struct mt76_phy *mphy = &dev->mt76.phy;
166 struct mt792x_phy *phy = mphy->priv;
167
168 spin_lock_bh(&dev->mt76.lock);
169 __skb_queue_tail(&phy->scan_event_list, skb);
170 spin_unlock_bh(&dev->mt76.lock);
171
172 ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work,
173 MT792x_HW_SCAN_TIMEOUT);
174 }
175
176 static void
mt7921_mcu_connection_loss_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)177 mt7921_mcu_connection_loss_iter(void *priv, u8 *mac,
178 struct ieee80211_vif *vif)
179 {
180 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
181 struct mt76_connac_beacon_loss_event *event = priv;
182
183 if (mvif->idx != event->bss_idx)
184 return;
185
186 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) ||
187 vif->type != NL80211_IFTYPE_STATION)
188 return;
189
190 ieee80211_connection_loss(vif);
191 }
192
193 static void
mt7921_mcu_connection_loss_event(struct mt792x_dev * dev,struct sk_buff * skb)194 mt7921_mcu_connection_loss_event(struct mt792x_dev *dev, struct sk_buff *skb)
195 {
196 struct mt76_connac_beacon_loss_event *event;
197 struct mt76_phy *mphy = &dev->mt76.phy;
198
199 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
200 event = (struct mt76_connac_beacon_loss_event *)skb->data;
201
202 ieee80211_iterate_active_interfaces_atomic(mphy->hw,
203 IEEE80211_IFACE_ITER_RESUME_ALL,
204 mt7921_mcu_connection_loss_iter, event);
205 }
206
207 static void
mt7921_mcu_debug_msg_event(struct mt792x_dev * dev,struct sk_buff * skb)208 mt7921_mcu_debug_msg_event(struct mt792x_dev *dev, struct sk_buff *skb)
209 {
210 struct mt7921_debug_msg {
211 __le16 id;
212 u8 type;
213 u8 flag;
214 __le32 value;
215 __le16 len;
216 u8 content[512];
217 } __packed * msg;
218
219 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
220 msg = (struct mt7921_debug_msg *)skb->data;
221
222 if (msg->type == 3) { /* fw log */
223 u16 len = min_t(u16, le16_to_cpu(msg->len), 512);
224 int i;
225
226 for (i = 0 ; i < len; i++) {
227 if (!msg->content[i])
228 msg->content[i] = ' ';
229 }
230 wiphy_info(mt76_hw(dev)->wiphy, "%.*s", len, msg->content);
231 }
232 }
233
234 static void
mt7921_mcu_low_power_event(struct mt792x_dev * dev,struct sk_buff * skb)235 mt7921_mcu_low_power_event(struct mt792x_dev *dev, struct sk_buff *skb)
236 {
237 struct mt7921_mcu_lp_event {
238 u8 state;
239 u8 reserved[3];
240 } __packed * event;
241
242 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
243 event = (struct mt7921_mcu_lp_event *)skb->data;
244
245 trace_lp_event(dev, event->state);
246 }
247
248 static void
mt7921_mcu_tx_done_event(struct mt792x_dev * dev,struct sk_buff * skb)249 mt7921_mcu_tx_done_event(struct mt792x_dev *dev, struct sk_buff *skb)
250 {
251 struct mt7921_mcu_tx_done_event *event;
252
253 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
254 event = (struct mt7921_mcu_tx_done_event *)skb->data;
255
256 mt7921_mac_add_txs(dev, event->txs);
257 }
258
259 static void
mt7921_mcu_rssi_monitor_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)260 mt7921_mcu_rssi_monitor_iter(void *priv, u8 *mac,
261 struct ieee80211_vif *vif)
262 {
263 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
264 struct mt76_connac_rssi_notify_event *event = priv;
265 enum nl80211_cqm_rssi_threshold_event nl_event;
266 s32 rssi = le32_to_cpu(event->rssi[mvif->bss_conf.mt76.idx]);
267
268 if (!rssi)
269 return;
270
271 if (!(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
272 return;
273
274 if (rssi > vif->bss_conf.cqm_rssi_thold)
275 nl_event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
276 else
277 nl_event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
278
279 ieee80211_cqm_rssi_notify(vif, nl_event, rssi, GFP_KERNEL);
280 }
281
282 static void
mt7921_mcu_rssi_monitor_event(struct mt792x_dev * dev,struct sk_buff * skb)283 mt7921_mcu_rssi_monitor_event(struct mt792x_dev *dev, struct sk_buff *skb)
284 {
285 struct mt76_connac_rssi_notify_event *event;
286
287 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
288 event = (struct mt76_connac_rssi_notify_event *)skb->data;
289
290 ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
291 IEEE80211_IFACE_ITER_RESUME_ALL,
292 mt7921_mcu_rssi_monitor_iter, event);
293 }
294
295 static void
mt7921_mcu_rx_unsolicited_event(struct mt792x_dev * dev,struct sk_buff * skb)296 mt7921_mcu_rx_unsolicited_event(struct mt792x_dev *dev, struct sk_buff *skb)
297 {
298 struct mt76_connac2_mcu_rxd *rxd;
299
300 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
301 switch (rxd->eid) {
302 case MCU_EVENT_BSS_BEACON_LOSS:
303 mt7921_mcu_connection_loss_event(dev, skb);
304 break;
305 case MCU_EVENT_SCHED_SCAN_DONE:
306 case MCU_EVENT_SCAN_DONE:
307 mt7921_mcu_scan_event(dev, skb);
308 return;
309 case MCU_EVENT_DBG_MSG:
310 mt7921_mcu_debug_msg_event(dev, skb);
311 break;
312 case MCU_EVENT_COREDUMP:
313 dev->fw_assert = true;
314 mt76_connac_mcu_coredump_event(&dev->mt76, skb,
315 &dev->coredump);
316 return;
317 case MCU_EVENT_LP_INFO:
318 mt7921_mcu_low_power_event(dev, skb);
319 break;
320 case MCU_EVENT_TX_DONE:
321 mt7921_mcu_tx_done_event(dev, skb);
322 break;
323 case MCU_EVENT_RSSI_NOTIFY:
324 mt7921_mcu_rssi_monitor_event(dev, skb);
325 break;
326 default:
327 break;
328 }
329 dev_kfree_skb(skb);
330 }
331
332 static void
mt7921_mcu_uni_rx_unsolicited_event(struct mt792x_dev * dev,struct sk_buff * skb)333 mt7921_mcu_uni_rx_unsolicited_event(struct mt792x_dev *dev,
334 struct sk_buff *skb)
335 {
336 struct mt76_connac2_mcu_rxd *rxd;
337
338 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
339
340 switch (rxd->eid) {
341 case MCU_UNI_EVENT_ROC:
342 mt7921_mcu_uni_roc_event(dev, skb);
343 break;
344 default:
345 break;
346 }
347 dev_kfree_skb(skb);
348 }
349
mt7921_mcu_rx_event(struct mt792x_dev * dev,struct sk_buff * skb)350 void mt7921_mcu_rx_event(struct mt792x_dev *dev, struct sk_buff *skb)
351 {
352 struct mt76_connac2_mcu_rxd *rxd;
353
354 if (skb_linearize(skb)) {
355 dev_kfree_skb(skb);
356 return;
357 }
358
359 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
360
361 if (rxd->option & MCU_UNI_CMD_UNSOLICITED_EVENT) {
362 mt7921_mcu_uni_rx_unsolicited_event(dev, skb);
363 return;
364 }
365
366 if (rxd->eid == 0x6) {
367 mt76_mcu_rx_event(&dev->mt76, skb);
368 return;
369 }
370
371 if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
372 rxd->eid == MCU_EVENT_BSS_BEACON_LOSS ||
373 rxd->eid == MCU_EVENT_SCHED_SCAN_DONE ||
374 rxd->eid == MCU_EVENT_RSSI_NOTIFY ||
375 rxd->eid == MCU_EVENT_SCAN_DONE ||
376 rxd->eid == MCU_EVENT_TX_DONE ||
377 rxd->eid == MCU_EVENT_DBG_MSG ||
378 rxd->eid == MCU_EVENT_COREDUMP ||
379 rxd->eid == MCU_EVENT_LP_INFO ||
380 !rxd->seq)
381 mt7921_mcu_rx_unsolicited_event(dev, skb);
382 else
383 mt76_mcu_rx_event(&dev->mt76, skb);
384 }
385
386 /** starec & wtbl **/
mt7921_mcu_uni_tx_ba(struct mt792x_dev * dev,struct ieee80211_ampdu_params * params,bool enable)387 int mt7921_mcu_uni_tx_ba(struct mt792x_dev *dev,
388 struct ieee80211_ampdu_params *params,
389 bool enable)
390 {
391 struct mt792x_sta *msta = (struct mt792x_sta *)params->sta->drv_priv;
392
393 if (enable && !params->amsdu)
394 msta->deflink.wcid.amsdu = false;
395
396 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->bss_conf.mt76, params,
397 MCU_UNI_CMD(STA_REC_UPDATE),
398 enable, true);
399 }
400
mt7921_mcu_uni_rx_ba(struct mt792x_dev * dev,struct ieee80211_ampdu_params * params,bool enable)401 int mt7921_mcu_uni_rx_ba(struct mt792x_dev *dev,
402 struct ieee80211_ampdu_params *params,
403 bool enable)
404 {
405 struct mt792x_sta *msta = (struct mt792x_sta *)params->sta->drv_priv;
406
407 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->bss_conf.mt76, params,
408 MCU_UNI_CMD(STA_REC_UPDATE),
409 enable, false);
410 }
411
mt7921_load_clc(struct mt792x_dev * dev,const char * fw_name)412 static int mt7921_load_clc(struct mt792x_dev *dev, const char *fw_name)
413 {
414 const struct mt76_connac2_fw_trailer *hdr;
415 const struct mt76_connac2_fw_region *region;
416 const struct mt7921_clc *clc;
417 struct mt76_dev *mdev = &dev->mt76;
418 struct mt792x_phy *phy = &dev->phy;
419 const struct firmware *fw;
420 size_t clc_len, fw_data_len, len, offset = 0;
421 int ret, i;
422 u8 *clc_base = NULL, hw_encap = 0;
423
424 dev->phy.clc_chan_conf = 0xff;
425 dev->regd_user = false;
426 if (!mt7921_regd_clc_supported(dev))
427 return 0;
428
429 if (mt76_is_mmio(&dev->mt76)) {
430 ret = mt7921_mcu_read_eeprom(dev, MT_EE_HW_TYPE, &hw_encap);
431 if (ret)
432 return ret;
433 hw_encap = u8_get_bits(hw_encap, MT_EE_HW_TYPE_ENCAP);
434 }
435
436 ret = request_firmware(&fw, fw_name, mdev->dev);
437 if (ret)
438 return ret;
439
440 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
441 dev_err(mdev->dev, "Invalid firmware\n");
442 ret = -EINVAL;
443 goto out;
444 }
445
446 hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
447 if (hdr->n_region > (fw->size - sizeof(*hdr)) / sizeof(*region)) {
448 dev_err(mdev->dev, "Invalid firmware region table\n");
449 ret = -EINVAL;
450 goto out;
451 }
452 fw_data_len = fw->size - sizeof(*hdr) -
453 hdr->n_region * sizeof(*region);
454
455 for (i = 0; i < hdr->n_region; i++) {
456 region = (const void *)((const u8 *)hdr -
457 (hdr->n_region - i) * sizeof(*region));
458 len = le32_to_cpu(region->len);
459
460 /* check if we have valid buffer size */
461 if (len > fw_data_len - offset) {
462 dev_err(mdev->dev, "Invalid firmware region\n");
463 ret = -EINVAL;
464 goto out;
465 }
466
467 if ((region->feature_set & FW_FEATURE_NON_DL) &&
468 region->type == FW_TYPE_CLC) {
469 clc_base = (u8 *)(fw->data + offset);
470 break;
471 }
472 offset += len;
473 }
474
475 if (!clc_base)
476 goto out;
477
478 for (offset = 0; offset < len; offset += clc_len) {
479 if (len - offset < sizeof(*clc)) {
480 ret = -EINVAL;
481 goto out;
482 }
483
484 clc = (const struct mt7921_clc *)(clc_base + offset);
485 clc_len = le32_to_cpu(clc->len);
486 if (clc_len < sizeof(*clc) || clc_len > len - offset ||
487 clc->idx >= ARRAY_SIZE(phy->clc)) {
488 ret = -EINVAL;
489 goto out;
490 }
491
492 /* do not init buf again if chip reset triggered */
493 if (phy->clc[clc->idx])
494 continue;
495
496 /* header content sanity */
497 if (clc->idx == MT7921_CLC_POWER &&
498 u8_get_bits(clc->type, MT_EE_HW_TYPE_ENCAP) != hw_encap)
499 continue;
500
501 phy->clc[clc->idx] = devm_kmemdup(mdev->dev, clc,
502 clc_len,
503 GFP_KERNEL);
504
505 if (!phy->clc[clc->idx]) {
506 ret = -ENOMEM;
507 goto out;
508 }
509 }
510
511 ret = mt7921_regd_init(phy);
512 out:
513 release_firmware(fw);
514
515 return ret;
516 }
517
mt7921_mcu_parse_tx_resource(struct mt76_dev * dev,struct sk_buff * skb)518 static void mt7921_mcu_parse_tx_resource(struct mt76_dev *dev,
519 struct sk_buff *skb)
520 {
521 struct mt76_sdio *sdio = &dev->sdio;
522 struct mt7921_tx_resource {
523 __le32 version;
524 __le32 pse_data_quota;
525 __le32 pse_mcu_quota;
526 __le32 ple_data_quota;
527 __le32 ple_mcu_quota;
528 __le16 pse_page_size;
529 __le16 ple_page_size;
530 u8 pp_padding;
531 u8 pad[3];
532 } __packed * tx_res;
533
534 tx_res = (struct mt7921_tx_resource *)skb->data;
535 sdio->sched.pse_data_quota = le32_to_cpu(tx_res->pse_data_quota);
536 sdio->pse_mcu_quota_max = le32_to_cpu(tx_res->pse_mcu_quota);
537 /* The mcu quota usage of this function itself must be taken into consideration */
538 sdio->sched.pse_mcu_quota =
539 sdio->sched.pse_mcu_quota ? sdio->pse_mcu_quota_max : sdio->pse_mcu_quota_max - 1;
540 sdio->sched.ple_data_quota = le32_to_cpu(tx_res->ple_data_quota);
541 sdio->sched.pse_page_size = le16_to_cpu(tx_res->pse_page_size);
542 sdio->sched.deficit = tx_res->pp_padding;
543 }
544
mt7921_mcu_parse_phy_cap(struct mt76_dev * dev,struct sk_buff * skb)545 static void mt7921_mcu_parse_phy_cap(struct mt76_dev *dev,
546 struct sk_buff *skb)
547 {
548 struct mt7921_phy_cap {
549 u8 ht;
550 u8 vht;
551 u8 _5g;
552 u8 max_bw;
553 u8 nss;
554 u8 dbdc;
555 u8 tx_ldpc;
556 u8 rx_ldpc;
557 u8 tx_stbc;
558 u8 rx_stbc;
559 u8 hw_path;
560 u8 he;
561 } __packed * cap;
562
563 enum {
564 WF0_24G,
565 WF0_5G
566 };
567
568 cap = (struct mt7921_phy_cap *)skb->data;
569
570 dev->phy.antenna_mask = BIT(cap->nss) - 1;
571 dev->phy.chainmask = dev->phy.antenna_mask;
572 dev->phy.cap.has_2ghz = cap->hw_path & BIT(WF0_24G);
573 dev->phy.cap.has_5ghz = cap->hw_path & BIT(WF0_5G);
574 }
575
mt7921_mcu_get_nic_capability(struct mt792x_phy * mphy)576 static int mt7921_mcu_get_nic_capability(struct mt792x_phy *mphy)
577 {
578 struct mt76_connac_cap_hdr {
579 __le16 n_element;
580 u8 rsv[2];
581 } __packed * hdr;
582 struct sk_buff *skb;
583 struct mt76_phy *phy = mphy->mt76;
584 int ret, i;
585
586 ret = mt76_mcu_send_and_get_msg(phy->dev, MCU_CE_CMD(GET_NIC_CAPAB),
587 NULL, 0, true, &skb);
588 if (ret)
589 return ret;
590
591 hdr = (struct mt76_connac_cap_hdr *)skb->data;
592 if (skb->len < sizeof(*hdr)) {
593 ret = -EINVAL;
594 goto out;
595 }
596
597 skb_pull(skb, sizeof(*hdr));
598
599 for (i = 0; i < le16_to_cpu(hdr->n_element); i++) {
600 struct tlv_hdr {
601 __le32 type;
602 __le32 len;
603 } __packed * tlv = (struct tlv_hdr *)skb->data;
604 int len;
605
606 if (skb->len < sizeof(*tlv))
607 break;
608
609 skb_pull(skb, sizeof(*tlv));
610
611 len = le32_to_cpu(tlv->len);
612 if (skb->len < len)
613 break;
614
615 switch (le32_to_cpu(tlv->type)) {
616 case MT_NIC_CAP_6G:
617 phy->cap.has_6ghz = skb->data[0];
618 break;
619 case MT_NIC_CAP_MAC_ADDR:
620 memcpy(phy->macaddr, (void *)skb->data, ETH_ALEN);
621 break;
622 case MT_NIC_CAP_PHY:
623 mt7921_mcu_parse_phy_cap(phy->dev, skb);
624 break;
625 case MT_NIC_CAP_TX_RESOURCE:
626 if (mt76_is_sdio(phy->dev))
627 mt7921_mcu_parse_tx_resource(phy->dev,
628 skb);
629 break;
630 case MT_NIC_CAP_CHIP_CAP:
631 memcpy(&mphy->chip_cap, (void *)skb->data, sizeof(u64));
632 break;
633 default:
634 break;
635 }
636 skb_pull(skb, len);
637 }
638 out:
639 dev_kfree_skb(skb);
640
641 return ret;
642 }
643
mt7921_mcu_fw_log_2_host(struct mt792x_dev * dev,u8 ctrl)644 int mt7921_mcu_fw_log_2_host(struct mt792x_dev *dev, u8 ctrl)
645 {
646 struct {
647 u8 ctrl_val;
648 u8 pad[3];
649 } data = {
650 .ctrl_val = ctrl
651 };
652
653 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(FWLOG_2_HOST),
654 &data, sizeof(data), false);
655 }
656
mt7921_run_firmware(struct mt792x_dev * dev)657 int mt7921_run_firmware(struct mt792x_dev *dev)
658 {
659 int err;
660
661 err = mt792x_load_firmware(dev);
662 if (err)
663 return err;
664
665 err = mt7921_mcu_get_nic_capability(&dev->phy);
666 if (err)
667 return err;
668
669 err = mt7921_load_clc(dev, mt792x_ram_name(dev));
670 if (err)
671 return err;
672 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
673
674 return mt7921_mcu_fw_log_2_host(dev, 1);
675 }
676 EXPORT_SYMBOL_GPL(mt7921_run_firmware);
677
mt7921_mcu_radio_led_ctrl(struct mt792x_dev * dev,u8 value)678 int mt7921_mcu_radio_led_ctrl(struct mt792x_dev *dev, u8 value)
679 {
680 struct {
681 u8 ctrlid;
682 u8 rsv[3];
683 } __packed req = {
684 .ctrlid = value,
685 };
686
687 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ID_RADIO_ON_OFF_CTRL),
688 &req, sizeof(req), false);
689 }
690 EXPORT_SYMBOL_GPL(mt7921_mcu_radio_led_ctrl);
691
mt7921_mcu_set_tx(struct mt792x_dev * dev,struct ieee80211_vif * vif)692 int mt7921_mcu_set_tx(struct mt792x_dev *dev, struct ieee80211_vif *vif)
693 {
694 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
695 struct edca {
696 __le16 cw_min;
697 __le16 cw_max;
698 __le16 txop;
699 __le16 aifs;
700 u8 guardtime;
701 u8 acm;
702 } __packed;
703 struct mt7921_mcu_tx {
704 struct edca edca[IEEE80211_NUM_ACS];
705 u8 bss_idx;
706 u8 qos;
707 u8 wmm_idx;
708 u8 pad;
709 } __packed req = {
710 .bss_idx = mvif->bss_conf.mt76.idx,
711 .qos = vif->bss_conf.qos,
712 .wmm_idx = mvif->bss_conf.mt76.wmm_idx,
713 };
714 struct mu_edca {
715 u8 cw_min;
716 u8 cw_max;
717 u8 aifsn;
718 u8 acm;
719 u8 timer;
720 u8 padding[3];
721 };
722 struct mt7921_mcu_mu_tx {
723 u8 ver;
724 u8 pad0;
725 __le16 len;
726 u8 bss_idx;
727 u8 qos;
728 u8 wmm_idx;
729 u8 pad1;
730 struct mu_edca edca[IEEE80211_NUM_ACS];
731 u8 pad3[32];
732 } __packed req_mu = {
733 .bss_idx = mvif->bss_conf.mt76.idx,
734 .qos = vif->bss_conf.qos,
735 .wmm_idx = mvif->bss_conf.mt76.wmm_idx,
736 };
737 static const int to_aci[] = { 1, 0, 2, 3 };
738 int ac, ret;
739
740 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
741 struct ieee80211_tx_queue_params *q = &mvif->bss_conf.queue_params[ac];
742 struct edca *e = &req.edca[to_aci[ac]];
743
744 e->aifs = cpu_to_le16(q->aifs);
745 e->txop = cpu_to_le16(q->txop);
746
747 if (q->cw_min)
748 e->cw_min = cpu_to_le16(q->cw_min);
749 else
750 e->cw_min = cpu_to_le16(5);
751
752 if (q->cw_max)
753 e->cw_max = cpu_to_le16(q->cw_max);
754 else
755 e->cw_max = cpu_to_le16(10);
756 }
757
758 ret = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_EDCA_PARMS), &req,
759 sizeof(req), false);
760 if (ret)
761 return ret;
762
763 if (!vif->bss_conf.he_support)
764 return 0;
765
766 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
767 struct ieee80211_he_mu_edca_param_ac_rec *q;
768 struct mu_edca *e;
769
770 if (!mvif->bss_conf.queue_params[ac].mu_edca)
771 break;
772
773 q = &mvif->bss_conf.queue_params[ac].mu_edca_param_rec;
774 e = &(req_mu.edca[to_aci[ac]]);
775
776 e->cw_min = q->ecw_min_max & 0xf;
777 e->cw_max = (q->ecw_min_max & 0xf0) >> 4;
778 e->aifsn = q->aifsn;
779 e->timer = q->mu_edca_timer;
780 }
781
782 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_MU_EDCA_PARMS),
783 &req_mu, sizeof(req_mu), false);
784 }
785
mt7921_mcu_set_roc(struct mt792x_phy * phy,struct mt792x_vif * vif,struct ieee80211_channel * chan,int duration,enum mt7921_roc_req type,u8 token_id)786 int mt7921_mcu_set_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
787 struct ieee80211_channel *chan, int duration,
788 enum mt7921_roc_req type, u8 token_id)
789 {
790 int center_ch = ieee80211_frequency_to_channel(chan->center_freq);
791 struct mt792x_dev *dev = phy->dev;
792 struct {
793 struct {
794 u8 rsv[4];
795 } __packed hdr;
796 struct roc_acquire_tlv {
797 __le16 tag;
798 __le16 len;
799 u8 bss_idx;
800 u8 tokenid;
801 u8 control_channel;
802 u8 sco;
803 u8 band;
804 u8 bw;
805 u8 center_chan;
806 u8 center_chan2;
807 u8 bw_from_ap;
808 u8 center_chan_from_ap;
809 u8 center_chan2_from_ap;
810 u8 reqtype;
811 __le32 maxinterval;
812 u8 dbdcband;
813 u8 rsv[3];
814 } __packed roc;
815 } __packed req = {
816 .roc = {
817 .tag = cpu_to_le16(UNI_ROC_ACQUIRE),
818 .len = cpu_to_le16(sizeof(struct roc_acquire_tlv)),
819 .tokenid = token_id,
820 .reqtype = type,
821 .maxinterval = cpu_to_le32(duration),
822 .bss_idx = vif->bss_conf.mt76.idx,
823 .control_channel = chan->hw_value,
824 .bw = CMD_CBW_20MHZ,
825 .bw_from_ap = CMD_CBW_20MHZ,
826 .center_chan = center_ch,
827 .center_chan_from_ap = center_ch,
828 .dbdcband = 0xff, /* auto */
829 },
830 };
831
832 if (chan->hw_value < center_ch)
833 req.roc.sco = 1; /* SCA */
834 else if (chan->hw_value > center_ch)
835 req.roc.sco = 3; /* SCB */
836
837 switch (chan->band) {
838 case NL80211_BAND_6GHZ:
839 req.roc.band = 3;
840 break;
841 case NL80211_BAND_5GHZ:
842 req.roc.band = 2;
843 break;
844 default:
845 req.roc.band = 1;
846 break;
847 }
848
849 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
850 &req, sizeof(req), false);
851 }
852
mt7921_mcu_abort_roc(struct mt792x_phy * phy,struct mt792x_vif * vif,u8 token_id)853 int mt7921_mcu_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
854 u8 token_id)
855 {
856 struct mt792x_dev *dev = phy->dev;
857 struct {
858 struct {
859 u8 rsv[4];
860 } __packed hdr;
861 struct roc_abort_tlv {
862 __le16 tag;
863 __le16 len;
864 u8 bss_idx;
865 u8 tokenid;
866 u8 dbdcband;
867 u8 rsv[5];
868 } __packed abort;
869 } __packed req = {
870 .abort = {
871 .tag = cpu_to_le16(UNI_ROC_ABORT),
872 .len = cpu_to_le16(sizeof(struct roc_abort_tlv)),
873 .tokenid = token_id,
874 .bss_idx = vif->bss_conf.mt76.idx,
875 .dbdcband = 0xff, /* auto*/
876 },
877 };
878
879 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
880 &req, sizeof(req), false);
881 }
882
mt7921_mcu_set_chan_info(struct mt792x_phy * phy,int cmd)883 int mt7921_mcu_set_chan_info(struct mt792x_phy *phy, int cmd)
884 {
885 struct mt792x_dev *dev = phy->dev;
886 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
887 int freq1 = chandef->center_freq1;
888 struct {
889 u8 control_ch;
890 u8 center_ch;
891 u8 bw;
892 u8 tx_streams_num;
893 u8 rx_streams; /* mask or num */
894 u8 switch_reason;
895 u8 band_idx;
896 u8 center_ch2; /* for 80+80 only */
897 __le16 cac_case;
898 u8 channel_band;
899 u8 rsv0;
900 __le32 outband_freq;
901 u8 txpower_drop;
902 u8 ap_bw;
903 u8 ap_center_ch;
904 u8 rsv1[57];
905 } __packed req = {
906 .control_ch = chandef->chan->hw_value,
907 .center_ch = ieee80211_frequency_to_channel(freq1),
908 .bw = mt76_connac_chan_bw(chandef),
909 .tx_streams_num = hweight8(phy->mt76->antenna_mask),
910 .rx_streams = phy->mt76->antenna_mask,
911 .band_idx = phy != &dev->phy,
912 };
913
914 if (chandef->chan->band == NL80211_BAND_6GHZ)
915 req.channel_band = 2;
916 else
917 req.channel_band = chandef->chan->band;
918
919 if (cmd == MCU_EXT_CMD(SET_RX_PATH) ||
920 dev->mt76.hw->conf.flags & IEEE80211_CONF_MONITOR)
921 req.switch_reason = CH_SWITCH_NORMAL;
922 else if (phy->mt76->offchannel)
923 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
924 else if (!cfg80211_reg_can_beacon(dev->mt76.hw->wiphy, chandef,
925 NL80211_IFTYPE_AP))
926 req.switch_reason = CH_SWITCH_DFS;
927 else
928 req.switch_reason = CH_SWITCH_NORMAL;
929
930 if (cmd == MCU_EXT_CMD(CHANNEL_SWITCH))
931 req.rx_streams = hweight8(req.rx_streams);
932
933 if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
934 int freq2 = chandef->center_freq2;
935
936 req.center_ch2 = ieee80211_frequency_to_channel(freq2);
937 }
938
939 return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
940 }
941
mt7921_mcu_set_eeprom(struct mt792x_dev * dev)942 int mt7921_mcu_set_eeprom(struct mt792x_dev *dev)
943 {
944 struct req_hdr {
945 u8 buffer_mode;
946 u8 format;
947 __le16 len;
948 } __packed req = {
949 .buffer_mode = EE_MODE_EFUSE,
950 .format = EE_FORMAT_WHOLE,
951 };
952
953 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(EFUSE_BUFFER_MODE),
954 &req, sizeof(req), true);
955 }
956 EXPORT_SYMBOL_GPL(mt7921_mcu_set_eeprom);
957
mt7921_mcu_uni_bss_ps(struct mt792x_dev * dev,struct ieee80211_vif * vif)958 int mt7921_mcu_uni_bss_ps(struct mt792x_dev *dev, struct ieee80211_vif *vif)
959 {
960 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
961 struct {
962 struct {
963 u8 bss_idx;
964 u8 pad[3];
965 } __packed hdr;
966 struct ps_tlv {
967 __le16 tag;
968 __le16 len;
969 u8 ps_state; /* 0: device awake
970 * 1: static power save
971 * 2: dynamic power saving
972 * 3: enter TWT power saving
973 * 4: leave TWT power saving
974 */
975 u8 pad[3];
976 } __packed ps;
977 } __packed ps_req = {
978 .hdr = {
979 .bss_idx = mvif->bss_conf.mt76.idx,
980 },
981 .ps = {
982 .tag = cpu_to_le16(UNI_BSS_INFO_PS),
983 .len = cpu_to_le16(sizeof(struct ps_tlv)),
984 .ps_state = vif->cfg.ps ? 2 : 0,
985 },
986 };
987
988 if (vif->type != NL80211_IFTYPE_STATION)
989 return -EOPNOTSUPP;
990
991 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
992 &ps_req, sizeof(ps_req), true);
993 }
994
995 static int
mt7921_mcu_uni_bss_bcnft(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)996 mt7921_mcu_uni_bss_bcnft(struct mt792x_dev *dev, struct ieee80211_vif *vif,
997 bool enable)
998 {
999 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1000 struct {
1001 struct {
1002 u8 bss_idx;
1003 u8 pad[3];
1004 } __packed hdr;
1005 struct bcnft_tlv {
1006 __le16 tag;
1007 __le16 len;
1008 __le16 bcn_interval;
1009 u8 dtim_period;
1010 u8 pad;
1011 } __packed bcnft;
1012 } __packed bcnft_req = {
1013 .hdr = {
1014 .bss_idx = mvif->bss_conf.mt76.idx,
1015 },
1016 .bcnft = {
1017 .tag = cpu_to_le16(UNI_BSS_INFO_BCNFT),
1018 .len = cpu_to_le16(sizeof(struct bcnft_tlv)),
1019 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
1020 .dtim_period = vif->bss_conf.dtim_period,
1021 },
1022 };
1023
1024 if (vif->type != NL80211_IFTYPE_STATION)
1025 return 0;
1026
1027 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
1028 &bcnft_req, sizeof(bcnft_req), true);
1029 }
1030
1031 int
mt7921_mcu_set_bss_pm(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1032 mt7921_mcu_set_bss_pm(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1033 bool enable)
1034 {
1035 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1036 struct {
1037 u8 bss_idx;
1038 u8 dtim_period;
1039 __le16 aid;
1040 __le16 bcn_interval;
1041 __le16 atim_window;
1042 u8 uapsd;
1043 u8 bmc_delivered_ac;
1044 u8 bmc_triggered_ac;
1045 u8 pad;
1046 } req = {
1047 .bss_idx = mvif->bss_conf.mt76.idx,
1048 .aid = cpu_to_le16(vif->cfg.aid),
1049 .dtim_period = vif->bss_conf.dtim_period,
1050 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
1051 };
1052 struct {
1053 u8 bss_idx;
1054 u8 pad[3];
1055 } req_hdr = {
1056 .bss_idx = mvif->bss_conf.mt76.idx,
1057 };
1058 int err;
1059
1060 err = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_ABORT),
1061 &req_hdr, sizeof(req_hdr), false);
1062 if (err < 0 || !enable)
1063 return err;
1064
1065 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_CONNECTED),
1066 &req, sizeof(req), false);
1067 }
1068
mt7921_mcu_sta_update(struct mt792x_dev * dev,struct ieee80211_sta * sta,struct ieee80211_vif * vif,bool enable,enum mt76_sta_info_state state)1069 int mt7921_mcu_sta_update(struct mt792x_dev *dev, struct ieee80211_sta *sta,
1070 struct ieee80211_vif *vif, bool enable,
1071 enum mt76_sta_info_state state)
1072 {
1073 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1074 int rssi = -ewma_rssi_read(&mvif->bss_conf.rssi);
1075 struct mt76_sta_cmd_info info = {
1076 .sta = sta,
1077 .vif = vif,
1078 .enable = enable,
1079 .cmd = MCU_UNI_CMD(STA_REC_UPDATE),
1080 .state = state,
1081 .offload_fw = true,
1082 .rcpi = to_rcpi(rssi),
1083 };
1084 struct mt792x_sta *msta;
1085
1086 msta = sta ? (struct mt792x_sta *)sta->drv_priv : NULL;
1087 info.wcid = msta ? &msta->deflink.wcid : &mvif->sta.deflink.wcid;
1088 info.newly = msta ? state != MT76_STA_INFO_STATE_ASSOC : true;
1089
1090 return mt76_connac_mcu_sta_cmd(&dev->mphy, &info);
1091 }
1092
mt7921_mcu_set_beacon_filter(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1093 int mt7921_mcu_set_beacon_filter(struct mt792x_dev *dev,
1094 struct ieee80211_vif *vif,
1095 bool enable)
1096 {
1097 #define MT7921_FIF_BIT_CLR BIT(1)
1098 #define MT7921_FIF_BIT_SET BIT(0)
1099 int err;
1100
1101 if (enable) {
1102 err = mt7921_mcu_uni_bss_bcnft(dev, vif, true);
1103 if (err)
1104 return err;
1105
1106 err = mt7921_mcu_set_rxfilter(dev, 0,
1107 MT7921_FIF_BIT_SET,
1108 MT_WF_RFCR_DROP_OTHER_BEACON);
1109 if (err)
1110 return err;
1111
1112 return 0;
1113 }
1114
1115 err = mt7921_mcu_set_bss_pm(dev, vif, false);
1116 if (err)
1117 return err;
1118
1119 err = mt7921_mcu_set_rxfilter(dev, 0,
1120 MT7921_FIF_BIT_CLR,
1121 MT_WF_RFCR_DROP_OTHER_BEACON);
1122 if (err)
1123 return err;
1124
1125 return 0;
1126 }
1127
mt7921_get_txpwr_info(struct mt792x_dev * dev,struct mt7921_txpwr * txpwr)1128 int mt7921_get_txpwr_info(struct mt792x_dev *dev, struct mt7921_txpwr *txpwr)
1129 {
1130 struct mt7921_txpwr_event *event;
1131 struct mt7921_txpwr_req req = {
1132 .dbdc_idx = 0,
1133 };
1134 struct sk_buff *skb;
1135 int ret;
1136
1137 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CE_CMD(GET_TXPWR),
1138 &req, sizeof(req), true, &skb);
1139 if (ret)
1140 return ret;
1141
1142 event = (struct mt7921_txpwr_event *)skb->data;
1143 WARN_ON(skb->len != le16_to_cpu(event->len));
1144 memcpy(txpwr, &event->txpwr, sizeof(event->txpwr));
1145
1146 dev_kfree_skb(skb);
1147
1148 return 0;
1149 }
1150
mt7921_mcu_set_sniffer(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1151 int mt7921_mcu_set_sniffer(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1152 bool enable)
1153 {
1154 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
1155 struct {
1156 struct {
1157 u8 band_idx;
1158 u8 pad[3];
1159 } __packed hdr;
1160 struct sniffer_enable_tlv {
1161 __le16 tag;
1162 __le16 len;
1163 u8 enable;
1164 u8 pad[3];
1165 } __packed enable;
1166 } req = {
1167 .hdr = {
1168 .band_idx = mvif->band_idx,
1169 },
1170 .enable = {
1171 .tag = cpu_to_le16(0),
1172 .len = cpu_to_le16(sizeof(struct sniffer_enable_tlv)),
1173 .enable = enable,
1174 },
1175 };
1176
1177 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(SNIFFER), &req, sizeof(req),
1178 true);
1179 }
1180
mt7921_mcu_config_sniffer(struct mt792x_vif * vif,struct ieee80211_chanctx_conf * ctx)1181 int mt7921_mcu_config_sniffer(struct mt792x_vif *vif,
1182 struct ieee80211_chanctx_conf *ctx)
1183 {
1184 struct cfg80211_chan_def *chandef = &ctx->def;
1185 int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2;
1186 static const u8 ch_band[] = {
1187 [NL80211_BAND_2GHZ] = 1,
1188 [NL80211_BAND_5GHZ] = 2,
1189 [NL80211_BAND_6GHZ] = 3,
1190 };
1191 static const u8 ch_width[] = {
1192 [NL80211_CHAN_WIDTH_20_NOHT] = 0,
1193 [NL80211_CHAN_WIDTH_20] = 0,
1194 [NL80211_CHAN_WIDTH_40] = 0,
1195 [NL80211_CHAN_WIDTH_80] = 1,
1196 [NL80211_CHAN_WIDTH_160] = 2,
1197 [NL80211_CHAN_WIDTH_80P80] = 3,
1198 [NL80211_CHAN_WIDTH_5] = 4,
1199 [NL80211_CHAN_WIDTH_10] = 5,
1200 [NL80211_CHAN_WIDTH_320] = 6,
1201 };
1202 struct {
1203 struct {
1204 u8 band_idx;
1205 u8 pad[3];
1206 } __packed hdr;
1207 struct config_tlv {
1208 __le16 tag;
1209 __le16 len;
1210 u16 aid;
1211 u8 ch_band;
1212 u8 bw;
1213 u8 control_ch;
1214 u8 sco;
1215 u8 center_ch;
1216 u8 center_ch2;
1217 u8 drop_err;
1218 u8 pad[3];
1219 } __packed tlv;
1220 } __packed req = {
1221 .hdr = {
1222 .band_idx = vif->bss_conf.mt76.band_idx,
1223 },
1224 .tlv = {
1225 .tag = cpu_to_le16(1),
1226 .len = cpu_to_le16(sizeof(req.tlv)),
1227 .control_ch = chandef->chan->hw_value,
1228 .center_ch = ieee80211_frequency_to_channel(freq1),
1229 .drop_err = 1,
1230 },
1231 };
1232 if (chandef->chan->band < ARRAY_SIZE(ch_band))
1233 req.tlv.ch_band = ch_band[chandef->chan->band];
1234 if (chandef->width < ARRAY_SIZE(ch_width))
1235 req.tlv.bw = ch_width[chandef->width];
1236
1237 if (freq2)
1238 req.tlv.center_ch2 = ieee80211_frequency_to_channel(freq2);
1239
1240 if (req.tlv.control_ch < req.tlv.center_ch)
1241 req.tlv.sco = 1; /* SCA */
1242 else if (req.tlv.control_ch > req.tlv.center_ch)
1243 req.tlv.sco = 3; /* SCB */
1244
1245 return mt76_mcu_send_msg(vif->phy->mt76->dev, MCU_UNI_CMD(SNIFFER),
1246 &req, sizeof(req), true);
1247 }
1248
1249 int
mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev * dev,struct ieee80211_hw * hw,struct ieee80211_vif * vif,bool enable)1250 mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev *dev,
1251 struct ieee80211_hw *hw,
1252 struct ieee80211_vif *vif,
1253 bool enable)
1254 {
1255 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1256 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
1257 struct ieee80211_mutable_offsets offs;
1258 struct {
1259 struct req_hdr {
1260 u8 bss_idx;
1261 u8 pad[3];
1262 } __packed hdr;
1263 struct bcn_content_tlv {
1264 __le16 tag;
1265 __le16 len;
1266 __le16 tim_ie_pos;
1267 __le16 csa_ie_pos;
1268 __le16 bcc_ie_pos;
1269 /* 0: disable beacon offload
1270 * 1: enable beacon offload
1271 * 2: update probe respond offload
1272 */
1273 u8 enable;
1274 /* 0: legacy format (TXD + payload)
1275 * 1: only cap field IE
1276 */
1277 u8 type;
1278 __le16 pkt_len;
1279 u8 pkt[512];
1280 } __packed beacon_tlv;
1281 } req = {
1282 .hdr = {
1283 .bss_idx = mvif->bss_conf.mt76.idx,
1284 },
1285 .beacon_tlv = {
1286 .tag = cpu_to_le16(UNI_BSS_INFO_BCN_CONTENT),
1287 .len = cpu_to_le16(sizeof(struct bcn_content_tlv)),
1288 .enable = enable,
1289 },
1290 };
1291 struct sk_buff *skb;
1292
1293 /* support enable/update process only
1294 * disable flow would be handled in bss stop handler automatically
1295 */
1296 if (!enable)
1297 return -EOPNOTSUPP;
1298
1299 skb = ieee80211_beacon_get_template(mt76_hw(dev), vif, &offs, 0);
1300 if (!skb)
1301 return -EINVAL;
1302
1303 if (skb->len > 512 - MT_TXD_SIZE) {
1304 dev_err(dev->mt76.dev, "beacon size limit exceed\n");
1305 dev_kfree_skb(skb);
1306 return -EINVAL;
1307 }
1308
1309 mt76_connac2_mac_write_txwi(&dev->mt76, (__le32 *)(req.beacon_tlv.pkt),
1310 skb, wcid, NULL, 0, 0, BSS_CHANGED_BEACON);
1311 memcpy(req.beacon_tlv.pkt + MT_TXD_SIZE, skb->data, skb->len);
1312 req.beacon_tlv.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
1313 req.beacon_tlv.tim_ie_pos = cpu_to_le16(MT_TXD_SIZE + offs.tim_offset);
1314
1315 if (offs.cntdwn_counter_offs[0]) {
1316 u16 csa_offs;
1317
1318 csa_offs = MT_TXD_SIZE + offs.cntdwn_counter_offs[0] - 4;
1319 req.beacon_tlv.csa_ie_pos = cpu_to_le16(csa_offs);
1320 }
1321 dev_kfree_skb(skb);
1322
1323 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
1324 &req, sizeof(req), true);
1325 }
1326
1327 static
__mt7921_mcu_set_clc(struct mt792x_dev * dev,u8 * alpha2,enum environment_cap env_cap,struct mt7921_clc * clc,u8 idx)1328 int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
1329 enum environment_cap env_cap,
1330 struct mt7921_clc *clc,
1331 u8 idx)
1332 {
1333 #define CLC_CAP_EVT_EN BIT(0)
1334 #define CLC_CAP_DTS_EN BIT(1)
1335 struct sk_buff *skb, *ret_skb = NULL;
1336 struct {
1337 u8 ver;
1338 u8 pad0;
1339 __le16 len;
1340 u8 idx;
1341 u8 env;
1342 u8 acpi_conf;
1343 u8 cap;
1344 u8 alpha2[2];
1345 u8 type[2];
1346 u8 env_6g;
1347 u8 mtcl_conf;
1348 u8 rsvd[62];
1349 } __packed req = {
1350 .ver = 1,
1351 .idx = idx,
1352 .env = env_cap,
1353 .env_6g = dev->phy.power_type,
1354 .acpi_conf = mt792x_acpi_get_flags(&dev->phy),
1355 .mtcl_conf = mt792x_acpi_get_mtcl_conf(&dev->phy, alpha2),
1356 };
1357 int ret, valid_cnt = 0;
1358 u32 buf_len = 0;
1359 u8 *pos;
1360
1361 if (!clc)
1362 return 0;
1363
1364 if (dev->phy.chip_cap & MT792x_CHIP_CAP_CLC_EVT_EN)
1365 req.cap |= CLC_CAP_EVT_EN;
1366 if (mt76_find_power_limits_node(&dev->mt76))
1367 req.cap |= CLC_CAP_DTS_EN;
1368
1369 buf_len = le32_to_cpu(clc->len) - sizeof(*clc);
1370 pos = clc->data;
1371 while (buf_len > 16) {
1372 struct mt7921_clc_rule *rule = (struct mt7921_clc_rule *)pos;
1373 u16 len = le16_to_cpu(rule->len);
1374 u16 offset = len + sizeof(*rule);
1375
1376 if (buf_len < offset)
1377 break;
1378
1379 pos += offset;
1380 buf_len -= offset;
1381 if (rule->alpha2[0] != alpha2[0] ||
1382 rule->alpha2[1] != alpha2[1])
1383 continue;
1384
1385 memcpy(req.alpha2, rule->alpha2, 2);
1386 memcpy(req.type, rule->type, 2);
1387
1388 req.len = cpu_to_le16(sizeof(req) + len);
1389 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req,
1390 le16_to_cpu(req.len),
1391 sizeof(req), GFP_KERNEL);
1392 if (!skb)
1393 return -ENOMEM;
1394 skb_put_data(skb, rule->data, len);
1395
1396 ret = mt76_mcu_skb_send_and_get_msg(&dev->mt76, skb,
1397 MCU_CE_CMD(SET_CLC),
1398 !!(req.cap & CLC_CAP_EVT_EN),
1399 &ret_skb);
1400 if (ret < 0)
1401 return ret;
1402
1403 if (ret_skb) {
1404 struct mt7921_clc_info_tlv *info;
1405
1406 info = (struct mt7921_clc_info_tlv *)(ret_skb->data + 4);
1407 dev->phy.clc_chan_conf = info->chan_conf;
1408 dev_kfree_skb(ret_skb);
1409 }
1410
1411 valid_cnt++;
1412 }
1413
1414 if (!valid_cnt)
1415 return -ENOENT;
1416
1417 return 0;
1418 }
1419
mt7921_mcu_set_clc(struct mt792x_dev * dev,u8 * alpha2,enum environment_cap env_cap)1420 int mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
1421 enum environment_cap env_cap)
1422 {
1423 struct mt792x_phy *phy = (struct mt792x_phy *)&dev->phy;
1424 int i, ret;
1425
1426 /* submit all clc config */
1427 for (i = 0; i < ARRAY_SIZE(phy->clc); i++) {
1428 if (i == MT792x_CLC_REGD)
1429 continue;
1430
1431 ret = __mt7921_mcu_set_clc(dev, alpha2, env_cap,
1432 phy->clc[i], i);
1433
1434 /* If no country found, set "00" as default */
1435 if (ret == -ENOENT)
1436 ret = __mt7921_mcu_set_clc(dev, "00",
1437 ENVIRON_INDOOR,
1438 phy->clc[i], i);
1439 if (ret < 0)
1440 return ret;
1441 }
1442 return 0;
1443 }
1444
mt7921_mcu_get_temperature(struct mt792x_phy * phy)1445 int mt7921_mcu_get_temperature(struct mt792x_phy *phy)
1446 {
1447 struct mt792x_dev *dev = phy->dev;
1448 struct {
1449 u8 ctrl_id;
1450 u8 action;
1451 u8 band_idx;
1452 u8 rsv[5];
1453 } req = {
1454 .ctrl_id = THERMAL_SENSOR_TEMP_QUERY,
1455 .band_idx = phy->mt76->band_idx,
1456 };
1457
1458 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(THERMAL_CTRL), &req,
1459 sizeof(req), true);
1460 }
1461
mt7921_mcu_wf_rf_pin_ctrl(struct mt792x_phy * phy,u8 action)1462 int mt7921_mcu_wf_rf_pin_ctrl(struct mt792x_phy *phy, u8 action)
1463 {
1464 struct mt792x_dev *dev = phy->dev;
1465 struct {
1466 u8 action;
1467 u8 value;
1468 } req = {
1469 .action = action,
1470 .value = 0,
1471 };
1472
1473 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(WF_RF_PIN_CTRL), &req,
1474 sizeof(req), action ? true : false);
1475 }
1476
mt7921_mcu_set_rxfilter(struct mt792x_dev * dev,u32 fif,u8 bit_op,u32 bit_map)1477 int mt7921_mcu_set_rxfilter(struct mt792x_dev *dev, u32 fif,
1478 u8 bit_op, u32 bit_map)
1479 {
1480 struct {
1481 u8 rsv[4];
1482 u8 mode;
1483 u8 rsv2[3];
1484 __le32 fif;
1485 __le32 bit_map; /* bit_* for bitmap update */
1486 u8 bit_op;
1487 u8 pad[51];
1488 } __packed data = {
1489 .mode = fif ? 1 : 2,
1490 .fif = cpu_to_le32(fif),
1491 .bit_map = cpu_to_le32(bit_map),
1492 .bit_op = bit_op,
1493 };
1494
1495 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_RX_FILTER),
1496 &data, sizeof(data), false);
1497 }
1498
mt7921_mcu_set_rssimonitor(struct mt792x_dev * dev,struct ieee80211_vif * vif)1499 int mt7921_mcu_set_rssimonitor(struct mt792x_dev *dev, struct ieee80211_vif *vif)
1500 {
1501 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1502 struct {
1503 u8 enable;
1504 s8 cqm_rssi_high;
1505 s8 cqm_rssi_low;
1506 u8 bss_idx;
1507 u16 duration;
1508 u8 rsv2[2];
1509 } __packed data = {
1510 .enable = vif->cfg.assoc,
1511 .cqm_rssi_high = vif->bss_conf.cqm_rssi_thold + vif->bss_conf.cqm_rssi_hyst,
1512 .cqm_rssi_low = vif->bss_conf.cqm_rssi_thold - vif->bss_conf.cqm_rssi_hyst,
1513 .bss_idx = mvif->bss_conf.mt76.idx,
1514 };
1515
1516 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(RSSI_MONITOR),
1517 &data, sizeof(data), false);
1518 }
1519