1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #include <linux/fs.h>
5 #include <linux/firmware.h>
6 #include "mt7921.h"
7 #include "mcu.h"
8 #include "../mt76_connac2_mac.h"
9 #include "../mt792x_trace.h"
10
11 #define MT_STA_BFER BIT(0)
12 #define MT_STA_BFEE BIT(1)
13
14 static bool mt7921_disable_clc;
15 module_param_named(disable_clc, mt7921_disable_clc, bool, 0644);
16 MODULE_PARM_DESC(disable_clc, "disable CLC support");
17
mt7921_mcu_parse_response(struct mt76_dev * mdev,int cmd,struct sk_buff * skb,int seq)18 int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
19 struct sk_buff *skb, int seq)
20 {
21 int mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
22 struct mt76_connac2_mcu_rxd *rxd;
23 int ret = 0;
24
25 if (!skb) {
26 dev_err(mdev->dev, "Message %08x (seq %d) timeout\n",
27 cmd, seq);
28 mt792x_reset(mdev);
29
30 return -ETIMEDOUT;
31 }
32
33 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
34 if (seq != rxd->seq)
35 return -EAGAIN;
36
37 if (cmd == MCU_CMD(PATCH_SEM_CONTROL) ||
38 cmd == MCU_CMD(PATCH_FINISH_REQ)) {
39 skb_pull(skb, sizeof(*rxd) - 4);
40 ret = *skb->data;
41 } else if (cmd == MCU_EXT_CMD(THERMAL_CTRL)) {
42 skb_pull(skb, sizeof(*rxd) + 4);
43 ret = le32_to_cpu(*(__le32 *)skb->data);
44 } else if (cmd == MCU_UNI_CMD(DEV_INFO_UPDATE) ||
45 cmd == MCU_UNI_CMD(BSS_INFO_UPDATE) ||
46 cmd == MCU_UNI_CMD(STA_REC_UPDATE) ||
47 cmd == MCU_UNI_CMD(HIF_CTRL) ||
48 cmd == MCU_UNI_CMD(OFFLOAD) ||
49 cmd == MCU_UNI_CMD(SUSPEND)) {
50 struct mt76_connac_mcu_uni_event *event;
51
52 skb_pull(skb, sizeof(*rxd));
53 event = (struct mt76_connac_mcu_uni_event *)skb->data;
54 ret = le32_to_cpu(event->status);
55 /* skip invalid event */
56 if (mcu_cmd != event->cid)
57 ret = -EAGAIN;
58 } else if (cmd == MCU_CE_QUERY(REG_READ)) {
59 struct mt76_connac_mcu_reg_event *event;
60
61 skb_pull(skb, sizeof(*rxd));
62 event = (struct mt76_connac_mcu_reg_event *)skb->data;
63 ret = (int)le32_to_cpu(event->val);
64 } else if (cmd == MCU_EXT_CMD(WF_RF_PIN_CTRL)) {
65 struct mt7921_wf_rf_pin_ctrl_event *event;
66
67 skb_pull(skb, sizeof(*rxd));
68 event = (struct mt7921_wf_rf_pin_ctrl_event *)skb->data;
69 ret = (int)event->result;
70 } else {
71 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
72 }
73
74 return ret;
75 }
76 EXPORT_SYMBOL_GPL(mt7921_mcu_parse_response);
77
mt7921_mcu_read_eeprom(struct mt792x_dev * dev,u32 offset,u8 * val)78 static int mt7921_mcu_read_eeprom(struct mt792x_dev *dev, u32 offset, u8 *val)
79 {
80 struct mt7921_mcu_eeprom_info *res, req = {
81 .addr = cpu_to_le32(round_down(offset,
82 MT7921_EEPROM_BLOCK_SIZE)),
83 };
84 struct sk_buff *skb;
85 int ret;
86
87 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_QUERY(EFUSE_ACCESS),
88 &req, sizeof(req), true, &skb);
89 if (ret)
90 return ret;
91
92 res = (struct mt7921_mcu_eeprom_info *)skb->data;
93 *val = res->data[offset % MT7921_EEPROM_BLOCK_SIZE];
94 dev_kfree_skb(skb);
95
96 return 0;
97 }
98
99 #ifdef CONFIG_PM
100
101 static int
mt7921_mcu_set_ipv6_ns_filter(struct mt76_dev * dev,struct ieee80211_vif * vif,bool suspend)102 mt7921_mcu_set_ipv6_ns_filter(struct mt76_dev *dev,
103 struct ieee80211_vif *vif, bool suspend)
104 {
105 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
106 struct {
107 struct {
108 u8 bss_idx;
109 u8 pad[3];
110 } __packed hdr;
111 struct mt76_connac_arpns_tlv arpns;
112 } req = {
113 .hdr = {
114 .bss_idx = mvif->bss_conf.mt76.idx,
115 },
116 .arpns = {
117 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
118 .len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)),
119 .mode = suspend,
120 },
121 };
122
123 return mt76_mcu_send_msg(dev, MCU_UNI_CMD_OFFLOAD, &req, sizeof(req),
124 true);
125 }
126
mt7921_mcu_set_suspend_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)127 void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
128 {
129 if (IS_ENABLED(CONFIG_IPV6)) {
130 struct mt76_phy *phy = priv;
131
132 mt7921_mcu_set_ipv6_ns_filter(phy->dev, vif,
133 !test_bit(MT76_STATE_RUNNING,
134 &phy->state));
135 }
136
137 mt76_connac_mcu_set_suspend_iter(priv, mac, vif);
138 }
139
140 #endif /* CONFIG_PM */
141
142 static void
mt7921_mcu_uni_roc_event(struct mt792x_dev * dev,struct sk_buff * skb)143 mt7921_mcu_uni_roc_event(struct mt792x_dev *dev, struct sk_buff *skb)
144 {
145 struct mt7921_roc_grant_tlv *grant;
146 struct mt76_connac2_mcu_rxd *rxd;
147 int duration;
148
149 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
150 grant = (struct mt7921_roc_grant_tlv *)(rxd->tlv + 4);
151
152 /* should never happen */
153 WARN_ON_ONCE((le16_to_cpu(grant->tag) != UNI_EVENT_ROC_GRANT));
154
155 if (grant->reqtype == MT7921_ROC_REQ_ROC)
156 ieee80211_ready_on_channel(dev->mt76.phy.hw);
157
158 dev->phy.roc_grant = true;
159 wake_up(&dev->phy.roc_wait);
160 duration = le32_to_cpu(grant->max_interval);
161 mod_timer(&dev->phy.roc_timer,
162 jiffies + msecs_to_jiffies(duration));
163 }
164
165 static void
mt7921_mcu_scan_event(struct mt792x_dev * dev,struct sk_buff * skb)166 mt7921_mcu_scan_event(struct mt792x_dev *dev, struct sk_buff *skb)
167 {
168 struct mt76_phy *mphy = &dev->mt76.phy;
169 struct mt792x_phy *phy = mphy->priv;
170
171 spin_lock_bh(&dev->mt76.lock);
172 __skb_queue_tail(&phy->scan_event_list, skb);
173 spin_unlock_bh(&dev->mt76.lock);
174
175 ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work,
176 MT792x_HW_SCAN_TIMEOUT);
177 }
178
179 static void
mt7921_mcu_connection_loss_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)180 mt7921_mcu_connection_loss_iter(void *priv, u8 *mac,
181 struct ieee80211_vif *vif)
182 {
183 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
184 struct mt76_connac_beacon_loss_event *event = priv;
185
186 if (mvif->idx != event->bss_idx)
187 return;
188
189 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) ||
190 vif->type != NL80211_IFTYPE_STATION)
191 return;
192
193 ieee80211_connection_loss(vif);
194 }
195
196 static void
mt7921_mcu_connection_loss_event(struct mt792x_dev * dev,struct sk_buff * skb)197 mt7921_mcu_connection_loss_event(struct mt792x_dev *dev, struct sk_buff *skb)
198 {
199 struct mt76_connac_beacon_loss_event *event;
200 struct mt76_phy *mphy = &dev->mt76.phy;
201
202 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
203 event = (struct mt76_connac_beacon_loss_event *)skb->data;
204
205 ieee80211_iterate_active_interfaces_atomic(mphy->hw,
206 IEEE80211_IFACE_ITER_RESUME_ALL,
207 mt7921_mcu_connection_loss_iter, event);
208 }
209
210 static void
mt7921_mcu_debug_msg_event(struct mt792x_dev * dev,struct sk_buff * skb)211 mt7921_mcu_debug_msg_event(struct mt792x_dev *dev, struct sk_buff *skb)
212 {
213 struct mt7921_debug_msg {
214 __le16 id;
215 u8 type;
216 u8 flag;
217 __le32 value;
218 __le16 len;
219 u8 content[512];
220 } __packed * msg;
221
222 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
223 msg = (struct mt7921_debug_msg *)skb->data;
224
225 if (msg->type == 3) { /* fw log */
226 u16 len = min_t(u16, le16_to_cpu(msg->len), 512);
227 int i;
228
229 for (i = 0 ; i < len; i++) {
230 if (!msg->content[i])
231 msg->content[i] = ' ';
232 }
233 wiphy_info(mt76_hw(dev)->wiphy, "%.*s", len, msg->content);
234 }
235 }
236
237 static void
mt7921_mcu_low_power_event(struct mt792x_dev * dev,struct sk_buff * skb)238 mt7921_mcu_low_power_event(struct mt792x_dev *dev, struct sk_buff *skb)
239 {
240 struct mt7921_mcu_lp_event {
241 u8 state;
242 u8 reserved[3];
243 } __packed * event;
244
245 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
246 event = (struct mt7921_mcu_lp_event *)skb->data;
247
248 trace_lp_event(dev, event->state);
249 }
250
251 static void
mt7921_mcu_tx_done_event(struct mt792x_dev * dev,struct sk_buff * skb)252 mt7921_mcu_tx_done_event(struct mt792x_dev *dev, struct sk_buff *skb)
253 {
254 struct mt7921_mcu_tx_done_event *event;
255
256 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
257 event = (struct mt7921_mcu_tx_done_event *)skb->data;
258
259 mt7921_mac_add_txs(dev, event->txs);
260 }
261
262 static void
mt7921_mcu_rssi_monitor_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)263 mt7921_mcu_rssi_monitor_iter(void *priv, u8 *mac,
264 struct ieee80211_vif *vif)
265 {
266 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
267 struct mt76_connac_rssi_notify_event *event = priv;
268 enum nl80211_cqm_rssi_threshold_event nl_event;
269 s32 rssi = le32_to_cpu(event->rssi[mvif->bss_conf.mt76.idx]);
270
271 if (!rssi)
272 return;
273
274 if (!(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
275 return;
276
277 if (rssi > vif->bss_conf.cqm_rssi_thold)
278 nl_event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
279 else
280 nl_event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
281
282 ieee80211_cqm_rssi_notify(vif, nl_event, rssi, GFP_KERNEL);
283 }
284
285 static void
mt7921_mcu_rssi_monitor_event(struct mt792x_dev * dev,struct sk_buff * skb)286 mt7921_mcu_rssi_monitor_event(struct mt792x_dev *dev, struct sk_buff *skb)
287 {
288 struct mt76_connac_rssi_notify_event *event;
289
290 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
291 event = (struct mt76_connac_rssi_notify_event *)skb->data;
292
293 ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
294 IEEE80211_IFACE_ITER_RESUME_ALL,
295 mt7921_mcu_rssi_monitor_iter, event);
296 }
297
298 static void
mt7921_mcu_rx_unsolicited_event(struct mt792x_dev * dev,struct sk_buff * skb)299 mt7921_mcu_rx_unsolicited_event(struct mt792x_dev *dev, struct sk_buff *skb)
300 {
301 struct mt76_connac2_mcu_rxd *rxd;
302
303 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
304 switch (rxd->eid) {
305 case MCU_EVENT_BSS_BEACON_LOSS:
306 mt7921_mcu_connection_loss_event(dev, skb);
307 break;
308 case MCU_EVENT_SCHED_SCAN_DONE:
309 case MCU_EVENT_SCAN_DONE:
310 mt7921_mcu_scan_event(dev, skb);
311 return;
312 case MCU_EVENT_DBG_MSG:
313 mt7921_mcu_debug_msg_event(dev, skb);
314 break;
315 case MCU_EVENT_COREDUMP:
316 dev->fw_assert = true;
317 mt76_connac_mcu_coredump_event(&dev->mt76, skb,
318 &dev->coredump);
319 return;
320 case MCU_EVENT_LP_INFO:
321 mt7921_mcu_low_power_event(dev, skb);
322 break;
323 case MCU_EVENT_TX_DONE:
324 mt7921_mcu_tx_done_event(dev, skb);
325 break;
326 case MCU_EVENT_RSSI_NOTIFY:
327 mt7921_mcu_rssi_monitor_event(dev, skb);
328 break;
329 default:
330 break;
331 }
332 dev_kfree_skb(skb);
333 }
334
335 static void
mt7921_mcu_uni_rx_unsolicited_event(struct mt792x_dev * dev,struct sk_buff * skb)336 mt7921_mcu_uni_rx_unsolicited_event(struct mt792x_dev *dev,
337 struct sk_buff *skb)
338 {
339 struct mt76_connac2_mcu_rxd *rxd;
340
341 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
342
343 switch (rxd->eid) {
344 case MCU_UNI_EVENT_ROC:
345 mt7921_mcu_uni_roc_event(dev, skb);
346 break;
347 default:
348 break;
349 }
350 dev_kfree_skb(skb);
351 }
352
mt7921_mcu_rx_event(struct mt792x_dev * dev,struct sk_buff * skb)353 void mt7921_mcu_rx_event(struct mt792x_dev *dev, struct sk_buff *skb)
354 {
355 struct mt76_connac2_mcu_rxd *rxd;
356
357 if (skb_linearize(skb))
358 return;
359
360 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
361
362 if (rxd->option & MCU_UNI_CMD_UNSOLICITED_EVENT) {
363 mt7921_mcu_uni_rx_unsolicited_event(dev, skb);
364 return;
365 }
366
367 if (rxd->eid == 0x6) {
368 mt76_mcu_rx_event(&dev->mt76, skb);
369 return;
370 }
371
372 if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
373 rxd->eid == MCU_EVENT_BSS_BEACON_LOSS ||
374 rxd->eid == MCU_EVENT_SCHED_SCAN_DONE ||
375 rxd->eid == MCU_EVENT_RSSI_NOTIFY ||
376 rxd->eid == MCU_EVENT_SCAN_DONE ||
377 rxd->eid == MCU_EVENT_TX_DONE ||
378 rxd->eid == MCU_EVENT_DBG_MSG ||
379 rxd->eid == MCU_EVENT_COREDUMP ||
380 rxd->eid == MCU_EVENT_LP_INFO ||
381 !rxd->seq)
382 mt7921_mcu_rx_unsolicited_event(dev, skb);
383 else
384 mt76_mcu_rx_event(&dev->mt76, skb);
385 }
386
387 /** starec & wtbl **/
mt7921_mcu_uni_tx_ba(struct mt792x_dev * dev,struct ieee80211_ampdu_params * params,bool enable)388 int mt7921_mcu_uni_tx_ba(struct mt792x_dev *dev,
389 struct ieee80211_ampdu_params *params,
390 bool enable)
391 {
392 struct mt792x_sta *msta = (struct mt792x_sta *)params->sta->drv_priv;
393
394 if (enable && !params->amsdu)
395 msta->deflink.wcid.amsdu = false;
396
397 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->bss_conf.mt76, params,
398 MCU_UNI_CMD(STA_REC_UPDATE),
399 enable, true);
400 }
401
mt7921_mcu_uni_rx_ba(struct mt792x_dev * dev,struct ieee80211_ampdu_params * params,bool enable)402 int mt7921_mcu_uni_rx_ba(struct mt792x_dev *dev,
403 struct ieee80211_ampdu_params *params,
404 bool enable)
405 {
406 struct mt792x_sta *msta = (struct mt792x_sta *)params->sta->drv_priv;
407
408 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->bss_conf.mt76, params,
409 MCU_UNI_CMD(STA_REC_UPDATE),
410 enable, false);
411 }
412
mt7921_load_clc(struct mt792x_dev * dev,const char * fw_name)413 static int mt7921_load_clc(struct mt792x_dev *dev, const char *fw_name)
414 {
415 const struct mt76_connac2_fw_trailer *hdr;
416 const struct mt76_connac2_fw_region *region;
417 const struct mt7921_clc *clc;
418 struct mt76_dev *mdev = &dev->mt76;
419 struct mt792x_phy *phy = &dev->phy;
420 const struct firmware *fw;
421 int ret, i, len, offset = 0;
422 #if defined(__linux__)
423 u8 *clc_base = NULL, hw_encap = 0;
424 #elif defined(__FreeBSD__)
425 const u8 *clc_base = NULL;
426 u8 hw_encap = 0;
427 #endif
428
429 dev->phy.clc_chan_conf = 0xff;
430 if (mt7921_disable_clc ||
431 mt76_is_usb(&dev->mt76))
432 return 0;
433
434 if (mt76_is_mmio(&dev->mt76)) {
435 ret = mt7921_mcu_read_eeprom(dev, MT_EE_HW_TYPE, &hw_encap);
436 if (ret)
437 return ret;
438 hw_encap = u8_get_bits(hw_encap, MT_EE_HW_TYPE_ENCAP);
439 }
440
441 ret = request_firmware(&fw, fw_name, mdev->dev);
442 if (ret)
443 return ret;
444
445 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
446 dev_err(mdev->dev, "Invalid firmware\n");
447 ret = -EINVAL;
448 goto out;
449 }
450
451 hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
452 for (i = 0; i < hdr->n_region; i++) {
453 region = (const void *)((const u8 *)hdr -
454 (hdr->n_region - i) * sizeof(*region));
455 len = le32_to_cpu(region->len);
456
457 /* check if we have valid buffer size */
458 if (offset + len > fw->size) {
459 dev_err(mdev->dev, "Invalid firmware region\n");
460 ret = -EINVAL;
461 goto out;
462 }
463
464 if ((region->feature_set & FW_FEATURE_NON_DL) &&
465 region->type == FW_TYPE_CLC) {
466 #if defined(__linux__)
467 clc_base = (u8 *)(fw->data + offset);
468 #elif defined(__FreeBSD__)
469 clc_base = (const u8 *)(fw->data + offset);
470 #endif
471 break;
472 }
473 offset += len;
474 }
475
476 if (!clc_base)
477 goto out;
478
479 for (offset = 0; offset < len; offset += le32_to_cpu(clc->len)) {
480 clc = (const struct mt7921_clc *)(clc_base + offset);
481
482 /* do not init buf again if chip reset triggered */
483 if (phy->clc[clc->idx])
484 continue;
485
486 /* header content sanity */
487 if (clc->idx == MT7921_CLC_POWER &&
488 u8_get_bits(clc->type, MT_EE_HW_TYPE_ENCAP) != hw_encap)
489 continue;
490
491 phy->clc[clc->idx] = devm_kmemdup(mdev->dev, clc,
492 le32_to_cpu(clc->len),
493 GFP_KERNEL);
494
495 if (!phy->clc[clc->idx]) {
496 ret = -ENOMEM;
497 goto out;
498 }
499 }
500 ret = mt7921_mcu_set_clc(dev, "00", ENVIRON_INDOOR);
501 out:
502 release_firmware(fw);
503
504 return ret;
505 }
506
mt7921_mcu_parse_tx_resource(struct mt76_dev * dev,struct sk_buff * skb)507 static void mt7921_mcu_parse_tx_resource(struct mt76_dev *dev,
508 struct sk_buff *skb)
509 {
510 struct mt76_sdio *sdio = &dev->sdio;
511 struct mt7921_tx_resource {
512 __le32 version;
513 __le32 pse_data_quota;
514 __le32 pse_mcu_quota;
515 __le32 ple_data_quota;
516 __le32 ple_mcu_quota;
517 __le16 pse_page_size;
518 __le16 ple_page_size;
519 u8 pp_padding;
520 u8 pad[3];
521 } __packed * tx_res;
522
523 tx_res = (struct mt7921_tx_resource *)skb->data;
524 sdio->sched.pse_data_quota = le32_to_cpu(tx_res->pse_data_quota);
525 sdio->pse_mcu_quota_max = le32_to_cpu(tx_res->pse_mcu_quota);
526 /* The mcu quota usage of this function itself must be taken into consideration */
527 sdio->sched.pse_mcu_quota =
528 sdio->sched.pse_mcu_quota ? sdio->pse_mcu_quota_max : sdio->pse_mcu_quota_max - 1;
529 sdio->sched.ple_data_quota = le32_to_cpu(tx_res->ple_data_quota);
530 sdio->sched.pse_page_size = le16_to_cpu(tx_res->pse_page_size);
531 sdio->sched.deficit = tx_res->pp_padding;
532 }
533
mt7921_mcu_parse_phy_cap(struct mt76_dev * dev,struct sk_buff * skb)534 static void mt7921_mcu_parse_phy_cap(struct mt76_dev *dev,
535 struct sk_buff *skb)
536 {
537 struct mt7921_phy_cap {
538 u8 ht;
539 u8 vht;
540 u8 _5g;
541 u8 max_bw;
542 u8 nss;
543 u8 dbdc;
544 u8 tx_ldpc;
545 u8 rx_ldpc;
546 u8 tx_stbc;
547 u8 rx_stbc;
548 u8 hw_path;
549 u8 he;
550 } __packed * cap;
551
552 enum {
553 WF0_24G,
554 WF0_5G
555 };
556
557 cap = (struct mt7921_phy_cap *)skb->data;
558
559 dev->phy.antenna_mask = BIT(cap->nss) - 1;
560 dev->phy.chainmask = dev->phy.antenna_mask;
561 dev->phy.cap.has_2ghz = cap->hw_path & BIT(WF0_24G);
562 dev->phy.cap.has_5ghz = cap->hw_path & BIT(WF0_5G);
563 }
564
mt7921_mcu_get_nic_capability(struct mt792x_phy * mphy)565 static int mt7921_mcu_get_nic_capability(struct mt792x_phy *mphy)
566 {
567 struct mt76_connac_cap_hdr {
568 __le16 n_element;
569 u8 rsv[2];
570 } __packed * hdr;
571 struct sk_buff *skb;
572 struct mt76_phy *phy = mphy->mt76;
573 int ret, i;
574
575 ret = mt76_mcu_send_and_get_msg(phy->dev, MCU_CE_CMD(GET_NIC_CAPAB),
576 NULL, 0, true, &skb);
577 if (ret)
578 return ret;
579
580 hdr = (struct mt76_connac_cap_hdr *)skb->data;
581 if (skb->len < sizeof(*hdr)) {
582 ret = -EINVAL;
583 goto out;
584 }
585
586 skb_pull(skb, sizeof(*hdr));
587
588 for (i = 0; i < le16_to_cpu(hdr->n_element); i++) {
589 struct tlv_hdr {
590 __le32 type;
591 __le32 len;
592 } __packed * tlv = (struct tlv_hdr *)skb->data;
593 int len;
594
595 if (skb->len < sizeof(*tlv))
596 break;
597
598 skb_pull(skb, sizeof(*tlv));
599
600 len = le32_to_cpu(tlv->len);
601 if (skb->len < len)
602 break;
603
604 switch (le32_to_cpu(tlv->type)) {
605 case MT_NIC_CAP_6G:
606 phy->cap.has_6ghz = skb->data[0];
607 break;
608 case MT_NIC_CAP_MAC_ADDR:
609 memcpy(phy->macaddr, (void *)skb->data, ETH_ALEN);
610 break;
611 case MT_NIC_CAP_PHY:
612 mt7921_mcu_parse_phy_cap(phy->dev, skb);
613 break;
614 case MT_NIC_CAP_TX_RESOURCE:
615 if (mt76_is_sdio(phy->dev))
616 mt7921_mcu_parse_tx_resource(phy->dev,
617 skb);
618 break;
619 case MT_NIC_CAP_CHIP_CAP:
620 memcpy(&mphy->chip_cap, (void *)skb->data, sizeof(u64));
621 break;
622 default:
623 break;
624 }
625 skb_pull(skb, len);
626 }
627 out:
628 dev_kfree_skb(skb);
629
630 return ret;
631 }
632
mt7921_mcu_fw_log_2_host(struct mt792x_dev * dev,u8 ctrl)633 int mt7921_mcu_fw_log_2_host(struct mt792x_dev *dev, u8 ctrl)
634 {
635 struct {
636 u8 ctrl_val;
637 u8 pad[3];
638 } data = {
639 .ctrl_val = ctrl
640 };
641
642 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(FWLOG_2_HOST),
643 &data, sizeof(data), false);
644 }
645
mt7921_run_firmware(struct mt792x_dev * dev)646 int mt7921_run_firmware(struct mt792x_dev *dev)
647 {
648 int err;
649
650 err = mt792x_load_firmware(dev);
651 if (err)
652 return err;
653
654 err = mt7921_mcu_get_nic_capability(&dev->phy);
655 if (err)
656 return err;
657
658 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
659 err = mt7921_load_clc(dev, mt792x_ram_name(dev));
660 if (err)
661 return err;
662
663 return mt7921_mcu_fw_log_2_host(dev, 1);
664 }
665 EXPORT_SYMBOL_GPL(mt7921_run_firmware);
666
mt7921_mcu_radio_led_ctrl(struct mt792x_dev * dev,u8 value)667 int mt7921_mcu_radio_led_ctrl(struct mt792x_dev *dev, u8 value)
668 {
669 struct {
670 u8 ctrlid;
671 u8 rsv[3];
672 } __packed req = {
673 .ctrlid = value,
674 };
675
676 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ID_RADIO_ON_OFF_CTRL),
677 &req, sizeof(req), false);
678 }
679 EXPORT_SYMBOL_GPL(mt7921_mcu_radio_led_ctrl);
680
mt7921_mcu_set_tx(struct mt792x_dev * dev,struct ieee80211_vif * vif)681 int mt7921_mcu_set_tx(struct mt792x_dev *dev, struct ieee80211_vif *vif)
682 {
683 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
684 struct edca {
685 __le16 cw_min;
686 __le16 cw_max;
687 __le16 txop;
688 __le16 aifs;
689 u8 guardtime;
690 u8 acm;
691 } __packed;
692 struct mt7921_mcu_tx {
693 struct edca edca[IEEE80211_NUM_ACS];
694 u8 bss_idx;
695 u8 qos;
696 u8 wmm_idx;
697 u8 pad;
698 } __packed req = {
699 .bss_idx = mvif->bss_conf.mt76.idx,
700 .qos = vif->bss_conf.qos,
701 .wmm_idx = mvif->bss_conf.mt76.wmm_idx,
702 };
703 struct mu_edca {
704 u8 cw_min;
705 u8 cw_max;
706 u8 aifsn;
707 u8 acm;
708 u8 timer;
709 u8 padding[3];
710 };
711 struct mt7921_mcu_mu_tx {
712 u8 ver;
713 u8 pad0;
714 __le16 len;
715 u8 bss_idx;
716 u8 qos;
717 u8 wmm_idx;
718 u8 pad1;
719 struct mu_edca edca[IEEE80211_NUM_ACS];
720 u8 pad3[32];
721 } __packed req_mu = {
722 .bss_idx = mvif->bss_conf.mt76.idx,
723 .qos = vif->bss_conf.qos,
724 .wmm_idx = mvif->bss_conf.mt76.wmm_idx,
725 };
726 static const int to_aci[] = { 1, 0, 2, 3 };
727 int ac, ret;
728
729 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
730 struct ieee80211_tx_queue_params *q = &mvif->bss_conf.queue_params[ac];
731 struct edca *e = &req.edca[to_aci[ac]];
732
733 e->aifs = cpu_to_le16(q->aifs);
734 e->txop = cpu_to_le16(q->txop);
735
736 if (q->cw_min)
737 e->cw_min = cpu_to_le16(q->cw_min);
738 else
739 e->cw_min = cpu_to_le16(5);
740
741 if (q->cw_max)
742 e->cw_max = cpu_to_le16(q->cw_max);
743 else
744 e->cw_max = cpu_to_le16(10);
745 }
746
747 ret = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_EDCA_PARMS), &req,
748 sizeof(req), false);
749 if (ret)
750 return ret;
751
752 if (!vif->bss_conf.he_support)
753 return 0;
754
755 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
756 struct ieee80211_he_mu_edca_param_ac_rec *q;
757 struct mu_edca *e;
758
759 if (!mvif->bss_conf.queue_params[ac].mu_edca)
760 break;
761
762 q = &mvif->bss_conf.queue_params[ac].mu_edca_param_rec;
763 e = &(req_mu.edca[to_aci[ac]]);
764
765 e->cw_min = q->ecw_min_max & 0xf;
766 e->cw_max = (q->ecw_min_max & 0xf0) >> 4;
767 e->aifsn = q->aifsn;
768 e->timer = q->mu_edca_timer;
769 }
770
771 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_MU_EDCA_PARMS),
772 &req_mu, sizeof(req_mu), false);
773 }
774
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)775 int mt7921_mcu_set_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
776 struct ieee80211_channel *chan, int duration,
777 enum mt7921_roc_req type, u8 token_id)
778 {
779 int center_ch = ieee80211_frequency_to_channel(chan->center_freq);
780 struct mt792x_dev *dev = phy->dev;
781 struct {
782 struct {
783 u8 rsv[4];
784 } __packed hdr;
785 struct roc_acquire_tlv {
786 __le16 tag;
787 __le16 len;
788 u8 bss_idx;
789 u8 tokenid;
790 u8 control_channel;
791 u8 sco;
792 u8 band;
793 u8 bw;
794 u8 center_chan;
795 u8 center_chan2;
796 u8 bw_from_ap;
797 u8 center_chan_from_ap;
798 u8 center_chan2_from_ap;
799 u8 reqtype;
800 __le32 maxinterval;
801 u8 dbdcband;
802 u8 rsv[3];
803 } __packed roc;
804 } __packed req = {
805 .roc = {
806 .tag = cpu_to_le16(UNI_ROC_ACQUIRE),
807 .len = cpu_to_le16(sizeof(struct roc_acquire_tlv)),
808 .tokenid = token_id,
809 .reqtype = type,
810 .maxinterval = cpu_to_le32(duration),
811 .bss_idx = vif->bss_conf.mt76.idx,
812 .control_channel = chan->hw_value,
813 .bw = CMD_CBW_20MHZ,
814 .bw_from_ap = CMD_CBW_20MHZ,
815 .center_chan = center_ch,
816 .center_chan_from_ap = center_ch,
817 .dbdcband = 0xff, /* auto */
818 },
819 };
820
821 if (chan->hw_value < center_ch)
822 req.roc.sco = 1; /* SCA */
823 else if (chan->hw_value > center_ch)
824 req.roc.sco = 3; /* SCB */
825
826 switch (chan->band) {
827 case NL80211_BAND_6GHZ:
828 req.roc.band = 3;
829 break;
830 case NL80211_BAND_5GHZ:
831 req.roc.band = 2;
832 break;
833 default:
834 req.roc.band = 1;
835 break;
836 }
837
838 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
839 &req, sizeof(req), false);
840 }
841
mt7921_mcu_abort_roc(struct mt792x_phy * phy,struct mt792x_vif * vif,u8 token_id)842 int mt7921_mcu_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
843 u8 token_id)
844 {
845 struct mt792x_dev *dev = phy->dev;
846 struct {
847 struct {
848 u8 rsv[4];
849 } __packed hdr;
850 struct roc_abort_tlv {
851 __le16 tag;
852 __le16 len;
853 u8 bss_idx;
854 u8 tokenid;
855 u8 dbdcband;
856 u8 rsv[5];
857 } __packed abort;
858 } __packed req = {
859 .abort = {
860 .tag = cpu_to_le16(UNI_ROC_ABORT),
861 .len = cpu_to_le16(sizeof(struct roc_abort_tlv)),
862 .tokenid = token_id,
863 .bss_idx = vif->bss_conf.mt76.idx,
864 .dbdcband = 0xff, /* auto*/
865 },
866 };
867
868 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
869 &req, sizeof(req), false);
870 }
871
mt7921_mcu_set_chan_info(struct mt792x_phy * phy,int cmd)872 int mt7921_mcu_set_chan_info(struct mt792x_phy *phy, int cmd)
873 {
874 struct mt792x_dev *dev = phy->dev;
875 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
876 int freq1 = chandef->center_freq1;
877 struct {
878 u8 control_ch;
879 u8 center_ch;
880 u8 bw;
881 u8 tx_streams_num;
882 u8 rx_streams; /* mask or num */
883 u8 switch_reason;
884 u8 band_idx;
885 u8 center_ch2; /* for 80+80 only */
886 __le16 cac_case;
887 u8 channel_band;
888 u8 rsv0;
889 __le32 outband_freq;
890 u8 txpower_drop;
891 u8 ap_bw;
892 u8 ap_center_ch;
893 u8 rsv1[57];
894 } __packed req = {
895 .control_ch = chandef->chan->hw_value,
896 .center_ch = ieee80211_frequency_to_channel(freq1),
897 .bw = mt76_connac_chan_bw(chandef),
898 .tx_streams_num = hweight8(phy->mt76->antenna_mask),
899 .rx_streams = phy->mt76->antenna_mask,
900 .band_idx = phy != &dev->phy,
901 };
902
903 if (chandef->chan->band == NL80211_BAND_6GHZ)
904 req.channel_band = 2;
905 else
906 req.channel_band = chandef->chan->band;
907
908 if (cmd == MCU_EXT_CMD(SET_RX_PATH) ||
909 dev->mt76.hw->conf.flags & IEEE80211_CONF_MONITOR)
910 req.switch_reason = CH_SWITCH_NORMAL;
911 else if (phy->mt76->offchannel)
912 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
913 else if (!cfg80211_reg_can_beacon(dev->mt76.hw->wiphy, chandef,
914 NL80211_IFTYPE_AP))
915 req.switch_reason = CH_SWITCH_DFS;
916 else
917 req.switch_reason = CH_SWITCH_NORMAL;
918
919 if (cmd == MCU_EXT_CMD(CHANNEL_SWITCH))
920 req.rx_streams = hweight8(req.rx_streams);
921
922 if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
923 int freq2 = chandef->center_freq2;
924
925 req.center_ch2 = ieee80211_frequency_to_channel(freq2);
926 }
927
928 return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
929 }
930
mt7921_mcu_set_eeprom(struct mt792x_dev * dev)931 int mt7921_mcu_set_eeprom(struct mt792x_dev *dev)
932 {
933 struct req_hdr {
934 u8 buffer_mode;
935 u8 format;
936 __le16 len;
937 } __packed req = {
938 .buffer_mode = EE_MODE_EFUSE,
939 .format = EE_FORMAT_WHOLE,
940 };
941
942 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(EFUSE_BUFFER_MODE),
943 &req, sizeof(req), true);
944 }
945 EXPORT_SYMBOL_GPL(mt7921_mcu_set_eeprom);
946
mt7921_mcu_uni_bss_ps(struct mt792x_dev * dev,struct ieee80211_vif * vif)947 int mt7921_mcu_uni_bss_ps(struct mt792x_dev *dev, struct ieee80211_vif *vif)
948 {
949 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
950 struct {
951 struct {
952 u8 bss_idx;
953 u8 pad[3];
954 } __packed hdr;
955 struct ps_tlv {
956 __le16 tag;
957 __le16 len;
958 u8 ps_state; /* 0: device awake
959 * 1: static power save
960 * 2: dynamic power saving
961 * 3: enter TWT power saving
962 * 4: leave TWT power saving
963 */
964 u8 pad[3];
965 } __packed ps;
966 } __packed ps_req = {
967 .hdr = {
968 .bss_idx = mvif->bss_conf.mt76.idx,
969 },
970 .ps = {
971 .tag = cpu_to_le16(UNI_BSS_INFO_PS),
972 .len = cpu_to_le16(sizeof(struct ps_tlv)),
973 .ps_state = vif->cfg.ps ? 2 : 0,
974 },
975 };
976
977 if (vif->type != NL80211_IFTYPE_STATION)
978 return -EOPNOTSUPP;
979
980 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
981 &ps_req, sizeof(ps_req), true);
982 }
983
984 static int
mt7921_mcu_uni_bss_bcnft(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)985 mt7921_mcu_uni_bss_bcnft(struct mt792x_dev *dev, struct ieee80211_vif *vif,
986 bool enable)
987 {
988 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
989 struct {
990 struct {
991 u8 bss_idx;
992 u8 pad[3];
993 } __packed hdr;
994 struct bcnft_tlv {
995 __le16 tag;
996 __le16 len;
997 __le16 bcn_interval;
998 u8 dtim_period;
999 u8 pad;
1000 } __packed bcnft;
1001 } __packed bcnft_req = {
1002 .hdr = {
1003 .bss_idx = mvif->bss_conf.mt76.idx,
1004 },
1005 .bcnft = {
1006 .tag = cpu_to_le16(UNI_BSS_INFO_BCNFT),
1007 .len = cpu_to_le16(sizeof(struct bcnft_tlv)),
1008 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
1009 .dtim_period = vif->bss_conf.dtim_period,
1010 },
1011 };
1012
1013 if (vif->type != NL80211_IFTYPE_STATION)
1014 return 0;
1015
1016 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
1017 &bcnft_req, sizeof(bcnft_req), true);
1018 }
1019
1020 int
mt7921_mcu_set_bss_pm(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1021 mt7921_mcu_set_bss_pm(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1022 bool enable)
1023 {
1024 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1025 struct {
1026 u8 bss_idx;
1027 u8 dtim_period;
1028 __le16 aid;
1029 __le16 bcn_interval;
1030 __le16 atim_window;
1031 u8 uapsd;
1032 u8 bmc_delivered_ac;
1033 u8 bmc_triggered_ac;
1034 u8 pad;
1035 } req = {
1036 .bss_idx = mvif->bss_conf.mt76.idx,
1037 .aid = cpu_to_le16(vif->cfg.aid),
1038 .dtim_period = vif->bss_conf.dtim_period,
1039 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
1040 };
1041 struct {
1042 u8 bss_idx;
1043 u8 pad[3];
1044 } req_hdr = {
1045 .bss_idx = mvif->bss_conf.mt76.idx,
1046 };
1047 int err;
1048
1049 err = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_ABORT),
1050 &req_hdr, sizeof(req_hdr), false);
1051 if (err < 0 || !enable)
1052 return err;
1053
1054 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_CONNECTED),
1055 &req, sizeof(req), false);
1056 }
1057
mt7921_mcu_sta_update(struct mt792x_dev * dev,struct ieee80211_sta * sta,struct ieee80211_vif * vif,bool enable,enum mt76_sta_info_state state)1058 int mt7921_mcu_sta_update(struct mt792x_dev *dev, struct ieee80211_sta *sta,
1059 struct ieee80211_vif *vif, bool enable,
1060 enum mt76_sta_info_state state)
1061 {
1062 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1063 int rssi = -ewma_rssi_read(&mvif->bss_conf.rssi);
1064 struct mt76_sta_cmd_info info = {
1065 .sta = sta,
1066 .vif = vif,
1067 .enable = enable,
1068 .cmd = MCU_UNI_CMD(STA_REC_UPDATE),
1069 .state = state,
1070 .offload_fw = true,
1071 .rcpi = to_rcpi(rssi),
1072 };
1073 struct mt792x_sta *msta;
1074
1075 msta = sta ? (struct mt792x_sta *)sta->drv_priv : NULL;
1076 info.wcid = msta ? &msta->deflink.wcid : &mvif->sta.deflink.wcid;
1077 info.newly = msta ? state != MT76_STA_INFO_STATE_ASSOC : true;
1078
1079 return mt76_connac_mcu_sta_cmd(&dev->mphy, &info);
1080 }
1081
mt7921_mcu_set_beacon_filter(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1082 int mt7921_mcu_set_beacon_filter(struct mt792x_dev *dev,
1083 struct ieee80211_vif *vif,
1084 bool enable)
1085 {
1086 #define MT7921_FIF_BIT_CLR BIT(1)
1087 #define MT7921_FIF_BIT_SET BIT(0)
1088 int err;
1089
1090 if (enable) {
1091 err = mt7921_mcu_uni_bss_bcnft(dev, vif, true);
1092 if (err)
1093 return err;
1094
1095 err = mt7921_mcu_set_rxfilter(dev, 0,
1096 MT7921_FIF_BIT_SET,
1097 MT_WF_RFCR_DROP_OTHER_BEACON);
1098 if (err)
1099 return err;
1100
1101 return 0;
1102 }
1103
1104 err = mt7921_mcu_set_bss_pm(dev, vif, false);
1105 if (err)
1106 return err;
1107
1108 err = mt7921_mcu_set_rxfilter(dev, 0,
1109 MT7921_FIF_BIT_CLR,
1110 MT_WF_RFCR_DROP_OTHER_BEACON);
1111 if (err)
1112 return err;
1113
1114 return 0;
1115 }
1116
mt7921_get_txpwr_info(struct mt792x_dev * dev,struct mt7921_txpwr * txpwr)1117 int mt7921_get_txpwr_info(struct mt792x_dev *dev, struct mt7921_txpwr *txpwr)
1118 {
1119 struct mt7921_txpwr_event *event;
1120 struct mt7921_txpwr_req req = {
1121 .dbdc_idx = 0,
1122 };
1123 struct sk_buff *skb;
1124 int ret;
1125
1126 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CE_CMD(GET_TXPWR),
1127 &req, sizeof(req), true, &skb);
1128 if (ret)
1129 return ret;
1130
1131 event = (struct mt7921_txpwr_event *)skb->data;
1132 WARN_ON(skb->len != le16_to_cpu(event->len));
1133 memcpy(txpwr, &event->txpwr, sizeof(event->txpwr));
1134
1135 dev_kfree_skb(skb);
1136
1137 return 0;
1138 }
1139
mt7921_mcu_set_sniffer(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1140 int mt7921_mcu_set_sniffer(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1141 bool enable)
1142 {
1143 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
1144 struct {
1145 struct {
1146 u8 band_idx;
1147 u8 pad[3];
1148 } __packed hdr;
1149 struct sniffer_enable_tlv {
1150 __le16 tag;
1151 __le16 len;
1152 u8 enable;
1153 u8 pad[3];
1154 } __packed enable;
1155 } req = {
1156 .hdr = {
1157 .band_idx = mvif->band_idx,
1158 },
1159 .enable = {
1160 .tag = cpu_to_le16(0),
1161 .len = cpu_to_le16(sizeof(struct sniffer_enable_tlv)),
1162 .enable = enable,
1163 },
1164 };
1165
1166 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(SNIFFER), &req, sizeof(req),
1167 true);
1168 }
1169
mt7921_mcu_config_sniffer(struct mt792x_vif * vif,struct ieee80211_chanctx_conf * ctx)1170 int mt7921_mcu_config_sniffer(struct mt792x_vif *vif,
1171 struct ieee80211_chanctx_conf *ctx)
1172 {
1173 struct cfg80211_chan_def *chandef = &ctx->def;
1174 int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2;
1175 static const u8 ch_band[] = {
1176 [NL80211_BAND_2GHZ] = 1,
1177 [NL80211_BAND_5GHZ] = 2,
1178 [NL80211_BAND_6GHZ] = 3,
1179 };
1180 static const u8 ch_width[] = {
1181 [NL80211_CHAN_WIDTH_20_NOHT] = 0,
1182 [NL80211_CHAN_WIDTH_20] = 0,
1183 [NL80211_CHAN_WIDTH_40] = 0,
1184 [NL80211_CHAN_WIDTH_80] = 1,
1185 [NL80211_CHAN_WIDTH_160] = 2,
1186 [NL80211_CHAN_WIDTH_80P80] = 3,
1187 [NL80211_CHAN_WIDTH_5] = 4,
1188 [NL80211_CHAN_WIDTH_10] = 5,
1189 [NL80211_CHAN_WIDTH_320] = 6,
1190 };
1191 struct {
1192 struct {
1193 u8 band_idx;
1194 u8 pad[3];
1195 } __packed hdr;
1196 struct config_tlv {
1197 __le16 tag;
1198 __le16 len;
1199 u16 aid;
1200 u8 ch_band;
1201 u8 bw;
1202 u8 control_ch;
1203 u8 sco;
1204 u8 center_ch;
1205 u8 center_ch2;
1206 u8 drop_err;
1207 u8 pad[3];
1208 } __packed tlv;
1209 } __packed req = {
1210 .hdr = {
1211 .band_idx = vif->bss_conf.mt76.band_idx,
1212 },
1213 .tlv = {
1214 .tag = cpu_to_le16(1),
1215 .len = cpu_to_le16(sizeof(req.tlv)),
1216 .control_ch = chandef->chan->hw_value,
1217 .center_ch = ieee80211_frequency_to_channel(freq1),
1218 .drop_err = 1,
1219 },
1220 };
1221 if (chandef->chan->band < ARRAY_SIZE(ch_band))
1222 req.tlv.ch_band = ch_band[chandef->chan->band];
1223 if (chandef->width < ARRAY_SIZE(ch_width))
1224 req.tlv.bw = ch_width[chandef->width];
1225
1226 if (freq2)
1227 req.tlv.center_ch2 = ieee80211_frequency_to_channel(freq2);
1228
1229 if (req.tlv.control_ch < req.tlv.center_ch)
1230 req.tlv.sco = 1; /* SCA */
1231 else if (req.tlv.control_ch > req.tlv.center_ch)
1232 req.tlv.sco = 3; /* SCB */
1233
1234 return mt76_mcu_send_msg(vif->phy->mt76->dev, MCU_UNI_CMD(SNIFFER),
1235 &req, sizeof(req), true);
1236 }
1237
1238 int
mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev * dev,struct ieee80211_hw * hw,struct ieee80211_vif * vif,bool enable)1239 mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev *dev,
1240 struct ieee80211_hw *hw,
1241 struct ieee80211_vif *vif,
1242 bool enable)
1243 {
1244 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1245 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
1246 struct ieee80211_mutable_offsets offs;
1247 struct {
1248 struct req_hdr {
1249 u8 bss_idx;
1250 u8 pad[3];
1251 } __packed hdr;
1252 struct bcn_content_tlv {
1253 __le16 tag;
1254 __le16 len;
1255 __le16 tim_ie_pos;
1256 __le16 csa_ie_pos;
1257 __le16 bcc_ie_pos;
1258 /* 0: disable beacon offload
1259 * 1: enable beacon offload
1260 * 2: update probe respond offload
1261 */
1262 u8 enable;
1263 /* 0: legacy format (TXD + payload)
1264 * 1: only cap field IE
1265 */
1266 u8 type;
1267 __le16 pkt_len;
1268 u8 pkt[512];
1269 } __packed beacon_tlv;
1270 } req = {
1271 .hdr = {
1272 .bss_idx = mvif->bss_conf.mt76.idx,
1273 },
1274 .beacon_tlv = {
1275 .tag = cpu_to_le16(UNI_BSS_INFO_BCN_CONTENT),
1276 .len = cpu_to_le16(sizeof(struct bcn_content_tlv)),
1277 .enable = enable,
1278 },
1279 };
1280 struct sk_buff *skb;
1281
1282 /* support enable/update process only
1283 * disable flow would be handled in bss stop handler automatically
1284 */
1285 if (!enable)
1286 return -EOPNOTSUPP;
1287
1288 skb = ieee80211_beacon_get_template(mt76_hw(dev), vif, &offs, 0);
1289 if (!skb)
1290 return -EINVAL;
1291
1292 if (skb->len > 512 - MT_TXD_SIZE) {
1293 dev_err(dev->mt76.dev, "beacon size limit exceed\n");
1294 dev_kfree_skb(skb);
1295 return -EINVAL;
1296 }
1297
1298 mt76_connac2_mac_write_txwi(&dev->mt76, (__le32 *)(req.beacon_tlv.pkt),
1299 skb, wcid, NULL, 0, 0, BSS_CHANGED_BEACON);
1300 memcpy(req.beacon_tlv.pkt + MT_TXD_SIZE, skb->data, skb->len);
1301 req.beacon_tlv.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
1302 req.beacon_tlv.tim_ie_pos = cpu_to_le16(MT_TXD_SIZE + offs.tim_offset);
1303
1304 if (offs.cntdwn_counter_offs[0]) {
1305 u16 csa_offs;
1306
1307 csa_offs = MT_TXD_SIZE + offs.cntdwn_counter_offs[0] - 4;
1308 req.beacon_tlv.csa_ie_pos = cpu_to_le16(csa_offs);
1309 }
1310 dev_kfree_skb(skb);
1311
1312 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
1313 &req, sizeof(req), true);
1314 }
1315
1316 static
__mt7921_mcu_set_clc(struct mt792x_dev * dev,u8 * alpha2,enum environment_cap env_cap,struct mt7921_clc * clc,u8 idx)1317 int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
1318 enum environment_cap env_cap,
1319 struct mt7921_clc *clc,
1320 u8 idx)
1321 {
1322 #define CLC_CAP_EVT_EN BIT(0)
1323 #define CLC_CAP_DTS_EN BIT(1)
1324 struct sk_buff *skb, *ret_skb = NULL;
1325 struct {
1326 u8 ver;
1327 u8 pad0;
1328 __le16 len;
1329 u8 idx;
1330 u8 env;
1331 u8 acpi_conf;
1332 u8 cap;
1333 u8 alpha2[2];
1334 u8 type[2];
1335 u8 env_6g;
1336 u8 mtcl_conf;
1337 u8 rsvd[62];
1338 } __packed req = {
1339 .ver = 1,
1340 .idx = idx,
1341 .env = env_cap,
1342 .env_6g = dev->phy.power_type,
1343 .acpi_conf = mt792x_acpi_get_flags(&dev->phy),
1344 .mtcl_conf = mt792x_acpi_get_mtcl_conf(&dev->phy, alpha2),
1345 };
1346 int ret, valid_cnt = 0;
1347 u32 buf_len = 0;
1348 u8 *pos;
1349
1350 if (!clc)
1351 return 0;
1352
1353 if (dev->phy.chip_cap & MT792x_CHIP_CAP_CLC_EVT_EN)
1354 req.cap |= CLC_CAP_EVT_EN;
1355 if (mt76_find_power_limits_node(&dev->mt76))
1356 req.cap |= CLC_CAP_DTS_EN;
1357
1358 buf_len = le32_to_cpu(clc->len) - sizeof(*clc);
1359 pos = clc->data;
1360 while (buf_len > 16) {
1361 struct mt7921_clc_rule *rule = (struct mt7921_clc_rule *)pos;
1362 u16 len = le16_to_cpu(rule->len);
1363 u16 offset = len + sizeof(*rule);
1364
1365 pos += offset;
1366 buf_len -= offset;
1367 if (rule->alpha2[0] != alpha2[0] ||
1368 rule->alpha2[1] != alpha2[1])
1369 continue;
1370
1371 memcpy(req.alpha2, rule->alpha2, 2);
1372 memcpy(req.type, rule->type, 2);
1373
1374 req.len = cpu_to_le16(sizeof(req) + len);
1375 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req,
1376 le16_to_cpu(req.len),
1377 sizeof(req), GFP_KERNEL);
1378 if (!skb)
1379 return -ENOMEM;
1380 skb_put_data(skb, rule->data, len);
1381
1382 ret = mt76_mcu_skb_send_and_get_msg(&dev->mt76, skb,
1383 MCU_CE_CMD(SET_CLC),
1384 !!(req.cap & CLC_CAP_EVT_EN),
1385 &ret_skb);
1386 if (ret < 0)
1387 return ret;
1388
1389 if (ret_skb) {
1390 struct mt7921_clc_info_tlv *info;
1391
1392 info = (struct mt7921_clc_info_tlv *)(ret_skb->data + 4);
1393 dev->phy.clc_chan_conf = info->chan_conf;
1394 dev_kfree_skb(ret_skb);
1395 }
1396
1397 valid_cnt++;
1398 }
1399
1400 if (!valid_cnt)
1401 return -ENOENT;
1402
1403 return 0;
1404 }
1405
mt7921_mcu_set_clc(struct mt792x_dev * dev,u8 * alpha2,enum environment_cap env_cap)1406 int mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
1407 enum environment_cap env_cap)
1408 {
1409 struct mt792x_phy *phy = (struct mt792x_phy *)&dev->phy;
1410 int i, ret;
1411
1412 /* submit all clc config */
1413 for (i = 0; i < ARRAY_SIZE(phy->clc); i++) {
1414 ret = __mt7921_mcu_set_clc(dev, alpha2, env_cap,
1415 phy->clc[i], i);
1416
1417 /* If no country found, set "00" as default */
1418 if (ret == -ENOENT)
1419 ret = __mt7921_mcu_set_clc(dev, "00",
1420 ENVIRON_INDOOR,
1421 phy->clc[i], i);
1422 if (ret < 0)
1423 return ret;
1424 }
1425 return 0;
1426 }
1427
mt7921_mcu_get_temperature(struct mt792x_phy * phy)1428 int mt7921_mcu_get_temperature(struct mt792x_phy *phy)
1429 {
1430 struct mt792x_dev *dev = phy->dev;
1431 struct {
1432 u8 ctrl_id;
1433 u8 action;
1434 u8 band_idx;
1435 u8 rsv[5];
1436 } req = {
1437 .ctrl_id = THERMAL_SENSOR_TEMP_QUERY,
1438 .band_idx = phy->mt76->band_idx,
1439 };
1440
1441 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(THERMAL_CTRL), &req,
1442 sizeof(req), true);
1443 }
1444
mt7921_mcu_wf_rf_pin_ctrl(struct mt792x_phy * phy,u8 action)1445 int mt7921_mcu_wf_rf_pin_ctrl(struct mt792x_phy *phy, u8 action)
1446 {
1447 struct mt792x_dev *dev = phy->dev;
1448 struct {
1449 u8 action;
1450 u8 value;
1451 } req = {
1452 .action = action,
1453 .value = 0,
1454 };
1455
1456 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(WF_RF_PIN_CTRL), &req,
1457 sizeof(req), action ? true : false);
1458 }
1459
mt7921_mcu_set_rxfilter(struct mt792x_dev * dev,u32 fif,u8 bit_op,u32 bit_map)1460 int mt7921_mcu_set_rxfilter(struct mt792x_dev *dev, u32 fif,
1461 u8 bit_op, u32 bit_map)
1462 {
1463 struct {
1464 u8 rsv[4];
1465 u8 mode;
1466 u8 rsv2[3];
1467 __le32 fif;
1468 __le32 bit_map; /* bit_* for bitmap update */
1469 u8 bit_op;
1470 u8 pad[51];
1471 } __packed data = {
1472 .mode = fif ? 1 : 2,
1473 .fif = cpu_to_le32(fif),
1474 .bit_map = cpu_to_le32(bit_map),
1475 .bit_op = bit_op,
1476 };
1477
1478 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_RX_FILTER),
1479 &data, sizeof(data), false);
1480 }
1481
mt7921_mcu_set_rssimonitor(struct mt792x_dev * dev,struct ieee80211_vif * vif)1482 int mt7921_mcu_set_rssimonitor(struct mt792x_dev *dev, struct ieee80211_vif *vif)
1483 {
1484 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1485 struct {
1486 u8 enable;
1487 s8 cqm_rssi_high;
1488 s8 cqm_rssi_low;
1489 u8 bss_idx;
1490 u16 duration;
1491 u8 rsv2[2];
1492 } __packed data = {
1493 .enable = vif->cfg.assoc,
1494 .cqm_rssi_high = vif->bss_conf.cqm_rssi_thold + vif->bss_conf.cqm_rssi_hyst,
1495 .cqm_rssi_low = vif->bss_conf.cqm_rssi_thold - vif->bss_conf.cqm_rssi_hyst,
1496 .bss_idx = mvif->bss_conf.mt76.idx,
1497 };
1498
1499 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(RSSI_MONITOR),
1500 &data, sizeof(data), false);
1501 }
1502