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 {
65 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
66 }
67
68 return ret;
69 }
70 EXPORT_SYMBOL_GPL(mt7921_mcu_parse_response);
71
mt7921_mcu_read_eeprom(struct mt792x_dev * dev,u32 offset,u8 * val)72 static int mt7921_mcu_read_eeprom(struct mt792x_dev *dev, u32 offset, u8 *val)
73 {
74 struct mt7921_mcu_eeprom_info *res, req = {
75 .addr = cpu_to_le32(round_down(offset,
76 MT7921_EEPROM_BLOCK_SIZE)),
77 };
78 struct sk_buff *skb;
79 int ret;
80
81 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_QUERY(EFUSE_ACCESS),
82 &req, sizeof(req), true, &skb);
83 if (ret)
84 return ret;
85
86 res = (struct mt7921_mcu_eeprom_info *)skb->data;
87 *val = res->data[offset % MT7921_EEPROM_BLOCK_SIZE];
88 dev_kfree_skb(skb);
89
90 return 0;
91 }
92
93 #ifdef CONFIG_PM
94
95 static int
mt7921_mcu_set_ipv6_ns_filter(struct mt76_dev * dev,struct ieee80211_vif * vif,bool suspend)96 mt7921_mcu_set_ipv6_ns_filter(struct mt76_dev *dev,
97 struct ieee80211_vif *vif, bool suspend)
98 {
99 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
100 struct {
101 struct {
102 u8 bss_idx;
103 u8 pad[3];
104 } __packed hdr;
105 struct mt76_connac_arpns_tlv arpns;
106 } req = {
107 .hdr = {
108 .bss_idx = mvif->bss_conf.mt76.idx,
109 },
110 .arpns = {
111 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
112 .len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)),
113 .mode = suspend,
114 },
115 };
116
117 return mt76_mcu_send_msg(dev, MCU_UNI_CMD_OFFLOAD, &req, sizeof(req),
118 true);
119 }
120
mt7921_mcu_set_suspend_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)121 void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
122 {
123 if (IS_ENABLED(CONFIG_IPV6)) {
124 struct mt76_phy *phy = priv;
125
126 mt7921_mcu_set_ipv6_ns_filter(phy->dev, vif,
127 !test_bit(MT76_STATE_RUNNING,
128 &phy->state));
129 }
130
131 mt76_connac_mcu_set_suspend_iter(priv, mac, vif);
132 }
133
134 #endif /* CONFIG_PM */
135
136 static void
mt7921_mcu_uni_roc_event(struct mt792x_dev * dev,struct sk_buff * skb)137 mt7921_mcu_uni_roc_event(struct mt792x_dev *dev, struct sk_buff *skb)
138 {
139 struct mt7921_roc_grant_tlv *grant;
140 struct mt76_connac2_mcu_rxd *rxd;
141 int duration;
142
143 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
144 grant = (struct mt7921_roc_grant_tlv *)(rxd->tlv + 4);
145
146 /* should never happen */
147 WARN_ON_ONCE((le16_to_cpu(grant->tag) != UNI_EVENT_ROC_GRANT));
148
149 if (grant->reqtype == MT7921_ROC_REQ_ROC)
150 ieee80211_ready_on_channel(dev->mt76.phy.hw);
151
152 dev->phy.roc_grant = true;
153 wake_up(&dev->phy.roc_wait);
154 duration = le32_to_cpu(grant->max_interval);
155 mod_timer(&dev->phy.roc_timer,
156 jiffies + msecs_to_jiffies(duration));
157 }
158
159 static void
mt7921_mcu_scan_event(struct mt792x_dev * dev,struct sk_buff * skb)160 mt7921_mcu_scan_event(struct mt792x_dev *dev, struct sk_buff *skb)
161 {
162 struct mt76_phy *mphy = &dev->mt76.phy;
163 struct mt792x_phy *phy = mphy->priv;
164
165 spin_lock_bh(&dev->mt76.lock);
166 __skb_queue_tail(&phy->scan_event_list, skb);
167 spin_unlock_bh(&dev->mt76.lock);
168
169 ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work,
170 MT792x_HW_SCAN_TIMEOUT);
171 }
172
173 static void
mt7921_mcu_connection_loss_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)174 mt7921_mcu_connection_loss_iter(void *priv, u8 *mac,
175 struct ieee80211_vif *vif)
176 {
177 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
178 struct mt76_connac_beacon_loss_event *event = priv;
179
180 if (mvif->idx != event->bss_idx)
181 return;
182
183 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) ||
184 vif->type != NL80211_IFTYPE_STATION)
185 return;
186
187 ieee80211_connection_loss(vif);
188 }
189
190 static void
mt7921_mcu_connection_loss_event(struct mt792x_dev * dev,struct sk_buff * skb)191 mt7921_mcu_connection_loss_event(struct mt792x_dev *dev, struct sk_buff *skb)
192 {
193 struct mt76_connac_beacon_loss_event *event;
194 struct mt76_phy *mphy = &dev->mt76.phy;
195
196 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
197 event = (struct mt76_connac_beacon_loss_event *)skb->data;
198
199 ieee80211_iterate_active_interfaces_atomic(mphy->hw,
200 IEEE80211_IFACE_ITER_RESUME_ALL,
201 mt7921_mcu_connection_loss_iter, event);
202 }
203
204 static void
mt7921_mcu_debug_msg_event(struct mt792x_dev * dev,struct sk_buff * skb)205 mt7921_mcu_debug_msg_event(struct mt792x_dev *dev, struct sk_buff *skb)
206 {
207 struct mt7921_debug_msg {
208 __le16 id;
209 u8 type;
210 u8 flag;
211 __le32 value;
212 __le16 len;
213 u8 content[512];
214 } __packed * msg;
215
216 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
217 msg = (struct mt7921_debug_msg *)skb->data;
218
219 if (msg->type == 3) { /* fw log */
220 u16 len = min_t(u16, le16_to_cpu(msg->len), 512);
221 int i;
222
223 for (i = 0 ; i < len; i++) {
224 if (!msg->content[i])
225 msg->content[i] = ' ';
226 }
227 wiphy_info(mt76_hw(dev)->wiphy, "%.*s", len, msg->content);
228 }
229 }
230
231 static void
mt7921_mcu_low_power_event(struct mt792x_dev * dev,struct sk_buff * skb)232 mt7921_mcu_low_power_event(struct mt792x_dev *dev, struct sk_buff *skb)
233 {
234 struct mt7921_mcu_lp_event {
235 u8 state;
236 u8 reserved[3];
237 } __packed * event;
238
239 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
240 event = (struct mt7921_mcu_lp_event *)skb->data;
241
242 trace_lp_event(dev, event->state);
243 }
244
245 static void
mt7921_mcu_tx_done_event(struct mt792x_dev * dev,struct sk_buff * skb)246 mt7921_mcu_tx_done_event(struct mt792x_dev *dev, struct sk_buff *skb)
247 {
248 struct mt7921_mcu_tx_done_event *event;
249
250 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
251 event = (struct mt7921_mcu_tx_done_event *)skb->data;
252
253 mt7921_mac_add_txs(dev, event->txs);
254 }
255
256 static void
mt7921_mcu_rssi_monitor_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)257 mt7921_mcu_rssi_monitor_iter(void *priv, u8 *mac,
258 struct ieee80211_vif *vif)
259 {
260 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
261 struct mt76_connac_rssi_notify_event *event = priv;
262 enum nl80211_cqm_rssi_threshold_event nl_event;
263 s32 rssi = le32_to_cpu(event->rssi[mvif->bss_conf.mt76.idx]);
264
265 if (!rssi)
266 return;
267
268 if (!(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
269 return;
270
271 if (rssi > vif->bss_conf.cqm_rssi_thold)
272 nl_event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
273 else
274 nl_event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
275
276 ieee80211_cqm_rssi_notify(vif, nl_event, rssi, GFP_KERNEL);
277 }
278
279 static void
mt7921_mcu_rssi_monitor_event(struct mt792x_dev * dev,struct sk_buff * skb)280 mt7921_mcu_rssi_monitor_event(struct mt792x_dev *dev, struct sk_buff *skb)
281 {
282 struct mt76_connac_rssi_notify_event *event;
283
284 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
285 event = (struct mt76_connac_rssi_notify_event *)skb->data;
286
287 ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
288 IEEE80211_IFACE_ITER_RESUME_ALL,
289 mt7921_mcu_rssi_monitor_iter, event);
290 }
291
292 static void
mt7921_mcu_rx_unsolicited_event(struct mt792x_dev * dev,struct sk_buff * skb)293 mt7921_mcu_rx_unsolicited_event(struct mt792x_dev *dev, struct sk_buff *skb)
294 {
295 struct mt76_connac2_mcu_rxd *rxd;
296
297 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
298 switch (rxd->eid) {
299 case MCU_EVENT_BSS_BEACON_LOSS:
300 mt7921_mcu_connection_loss_event(dev, skb);
301 break;
302 case MCU_EVENT_SCHED_SCAN_DONE:
303 case MCU_EVENT_SCAN_DONE:
304 mt7921_mcu_scan_event(dev, skb);
305 return;
306 case MCU_EVENT_DBG_MSG:
307 mt7921_mcu_debug_msg_event(dev, skb);
308 break;
309 case MCU_EVENT_COREDUMP:
310 dev->fw_assert = true;
311 mt76_connac_mcu_coredump_event(&dev->mt76, skb,
312 &dev->coredump);
313 return;
314 case MCU_EVENT_LP_INFO:
315 mt7921_mcu_low_power_event(dev, skb);
316 break;
317 case MCU_EVENT_TX_DONE:
318 mt7921_mcu_tx_done_event(dev, skb);
319 break;
320 case MCU_EVENT_RSSI_NOTIFY:
321 mt7921_mcu_rssi_monitor_event(dev, skb);
322 break;
323 default:
324 break;
325 }
326 dev_kfree_skb(skb);
327 }
328
329 static void
mt7921_mcu_uni_rx_unsolicited_event(struct mt792x_dev * dev,struct sk_buff * skb)330 mt7921_mcu_uni_rx_unsolicited_event(struct mt792x_dev *dev,
331 struct sk_buff *skb)
332 {
333 struct mt76_connac2_mcu_rxd *rxd;
334
335 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
336
337 switch (rxd->eid) {
338 case MCU_UNI_EVENT_ROC:
339 mt7921_mcu_uni_roc_event(dev, skb);
340 break;
341 default:
342 break;
343 }
344 dev_kfree_skb(skb);
345 }
346
mt7921_mcu_rx_event(struct mt792x_dev * dev,struct sk_buff * skb)347 void mt7921_mcu_rx_event(struct mt792x_dev *dev, struct sk_buff *skb)
348 {
349 struct mt76_connac2_mcu_rxd *rxd;
350
351 if (skb_linearize(skb))
352 return;
353
354 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
355
356 if (rxd->option & MCU_UNI_CMD_UNSOLICITED_EVENT) {
357 mt7921_mcu_uni_rx_unsolicited_event(dev, skb);
358 return;
359 }
360
361 if (rxd->eid == 0x6) {
362 mt76_mcu_rx_event(&dev->mt76, skb);
363 return;
364 }
365
366 if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
367 rxd->eid == MCU_EVENT_BSS_BEACON_LOSS ||
368 rxd->eid == MCU_EVENT_SCHED_SCAN_DONE ||
369 rxd->eid == MCU_EVENT_RSSI_NOTIFY ||
370 rxd->eid == MCU_EVENT_SCAN_DONE ||
371 rxd->eid == MCU_EVENT_TX_DONE ||
372 rxd->eid == MCU_EVENT_DBG_MSG ||
373 rxd->eid == MCU_EVENT_COREDUMP ||
374 rxd->eid == MCU_EVENT_LP_INFO ||
375 !rxd->seq)
376 mt7921_mcu_rx_unsolicited_event(dev, skb);
377 else
378 mt76_mcu_rx_event(&dev->mt76, skb);
379 }
380
381 /** starec & wtbl **/
mt7921_mcu_uni_tx_ba(struct mt792x_dev * dev,struct ieee80211_ampdu_params * params,bool enable)382 int mt7921_mcu_uni_tx_ba(struct mt792x_dev *dev,
383 struct ieee80211_ampdu_params *params,
384 bool enable)
385 {
386 struct mt792x_sta *msta = (struct mt792x_sta *)params->sta->drv_priv;
387
388 if (enable && !params->amsdu)
389 msta->deflink.wcid.amsdu = false;
390
391 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->bss_conf.mt76, params,
392 MCU_UNI_CMD(STA_REC_UPDATE),
393 enable, true);
394 }
395
mt7921_mcu_uni_rx_ba(struct mt792x_dev * dev,struct ieee80211_ampdu_params * params,bool enable)396 int mt7921_mcu_uni_rx_ba(struct mt792x_dev *dev,
397 struct ieee80211_ampdu_params *params,
398 bool enable)
399 {
400 struct mt792x_sta *msta = (struct mt792x_sta *)params->sta->drv_priv;
401
402 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->bss_conf.mt76, params,
403 MCU_UNI_CMD(STA_REC_UPDATE),
404 enable, false);
405 }
406
mt7921_load_clc(struct mt792x_dev * dev,const char * fw_name)407 static int mt7921_load_clc(struct mt792x_dev *dev, const char *fw_name)
408 {
409 const struct mt76_connac2_fw_trailer *hdr;
410 const struct mt76_connac2_fw_region *region;
411 const struct mt7921_clc *clc;
412 struct mt76_dev *mdev = &dev->mt76;
413 struct mt792x_phy *phy = &dev->phy;
414 const struct firmware *fw;
415 int ret, i, len, offset = 0;
416 u8 *clc_base = NULL, hw_encap = 0;
417
418 dev->phy.clc_chan_conf = 0xff;
419 if (mt7921_disable_clc ||
420 mt76_is_usb(&dev->mt76))
421 return 0;
422
423 if (mt76_is_mmio(&dev->mt76)) {
424 ret = mt7921_mcu_read_eeprom(dev, MT_EE_HW_TYPE, &hw_encap);
425 if (ret)
426 return ret;
427 hw_encap = u8_get_bits(hw_encap, MT_EE_HW_TYPE_ENCAP);
428 }
429
430 ret = request_firmware(&fw, fw_name, mdev->dev);
431 if (ret)
432 return ret;
433
434 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
435 dev_err(mdev->dev, "Invalid firmware\n");
436 ret = -EINVAL;
437 goto out;
438 }
439
440 hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
441 for (i = 0; i < hdr->n_region; i++) {
442 region = (const void *)((const u8 *)hdr -
443 (hdr->n_region - i) * sizeof(*region));
444 len = le32_to_cpu(region->len);
445
446 /* check if we have valid buffer size */
447 if (offset + len > fw->size) {
448 dev_err(mdev->dev, "Invalid firmware region\n");
449 ret = -EINVAL;
450 goto out;
451 }
452
453 if ((region->feature_set & FW_FEATURE_NON_DL) &&
454 region->type == FW_TYPE_CLC) {
455 clc_base = (u8 *)(fw->data + offset);
456 break;
457 }
458 offset += len;
459 }
460
461 if (!clc_base)
462 goto out;
463
464 for (offset = 0; offset < len; offset += le32_to_cpu(clc->len)) {
465 clc = (const struct mt7921_clc *)(clc_base + offset);
466
467 /* do not init buf again if chip reset triggered */
468 if (phy->clc[clc->idx])
469 continue;
470
471 /* header content sanity */
472 if (clc->idx == MT7921_CLC_POWER &&
473 u8_get_bits(clc->type, MT_EE_HW_TYPE_ENCAP) != hw_encap)
474 continue;
475
476 phy->clc[clc->idx] = devm_kmemdup(mdev->dev, clc,
477 le32_to_cpu(clc->len),
478 GFP_KERNEL);
479
480 if (!phy->clc[clc->idx]) {
481 ret = -ENOMEM;
482 goto out;
483 }
484 }
485 ret = mt7921_mcu_set_clc(dev, "00", ENVIRON_INDOOR);
486 out:
487 release_firmware(fw);
488
489 return ret;
490 }
491
mt7921_mcu_parse_tx_resource(struct mt76_dev * dev,struct sk_buff * skb)492 static void mt7921_mcu_parse_tx_resource(struct mt76_dev *dev,
493 struct sk_buff *skb)
494 {
495 struct mt76_sdio *sdio = &dev->sdio;
496 struct mt7921_tx_resource {
497 __le32 version;
498 __le32 pse_data_quota;
499 __le32 pse_mcu_quota;
500 __le32 ple_data_quota;
501 __le32 ple_mcu_quota;
502 __le16 pse_page_size;
503 __le16 ple_page_size;
504 u8 pp_padding;
505 u8 pad[3];
506 } __packed * tx_res;
507
508 tx_res = (struct mt7921_tx_resource *)skb->data;
509 sdio->sched.pse_data_quota = le32_to_cpu(tx_res->pse_data_quota);
510 sdio->sched.pse_mcu_quota = le32_to_cpu(tx_res->pse_mcu_quota);
511 sdio->sched.ple_data_quota = le32_to_cpu(tx_res->ple_data_quota);
512 sdio->sched.pse_page_size = le16_to_cpu(tx_res->pse_page_size);
513 sdio->sched.deficit = tx_res->pp_padding;
514 }
515
mt7921_mcu_parse_phy_cap(struct mt76_dev * dev,struct sk_buff * skb)516 static void mt7921_mcu_parse_phy_cap(struct mt76_dev *dev,
517 struct sk_buff *skb)
518 {
519 struct mt7921_phy_cap {
520 u8 ht;
521 u8 vht;
522 u8 _5g;
523 u8 max_bw;
524 u8 nss;
525 u8 dbdc;
526 u8 tx_ldpc;
527 u8 rx_ldpc;
528 u8 tx_stbc;
529 u8 rx_stbc;
530 u8 hw_path;
531 u8 he;
532 } __packed * cap;
533
534 enum {
535 WF0_24G,
536 WF0_5G
537 };
538
539 cap = (struct mt7921_phy_cap *)skb->data;
540
541 dev->phy.antenna_mask = BIT(cap->nss) - 1;
542 dev->phy.chainmask = dev->phy.antenna_mask;
543 dev->phy.cap.has_2ghz = cap->hw_path & BIT(WF0_24G);
544 dev->phy.cap.has_5ghz = cap->hw_path & BIT(WF0_5G);
545 }
546
mt7921_mcu_get_nic_capability(struct mt792x_phy * mphy)547 static int mt7921_mcu_get_nic_capability(struct mt792x_phy *mphy)
548 {
549 struct mt76_connac_cap_hdr {
550 __le16 n_element;
551 u8 rsv[2];
552 } __packed * hdr;
553 struct sk_buff *skb;
554 struct mt76_phy *phy = mphy->mt76;
555 int ret, i;
556
557 ret = mt76_mcu_send_and_get_msg(phy->dev, MCU_CE_CMD(GET_NIC_CAPAB),
558 NULL, 0, true, &skb);
559 if (ret)
560 return ret;
561
562 hdr = (struct mt76_connac_cap_hdr *)skb->data;
563 if (skb->len < sizeof(*hdr)) {
564 ret = -EINVAL;
565 goto out;
566 }
567
568 skb_pull(skb, sizeof(*hdr));
569
570 for (i = 0; i < le16_to_cpu(hdr->n_element); i++) {
571 struct tlv_hdr {
572 __le32 type;
573 __le32 len;
574 } __packed * tlv = (struct tlv_hdr *)skb->data;
575 int len;
576
577 if (skb->len < sizeof(*tlv))
578 break;
579
580 skb_pull(skb, sizeof(*tlv));
581
582 len = le32_to_cpu(tlv->len);
583 if (skb->len < len)
584 break;
585
586 switch (le32_to_cpu(tlv->type)) {
587 case MT_NIC_CAP_6G:
588 phy->cap.has_6ghz = skb->data[0];
589 break;
590 case MT_NIC_CAP_MAC_ADDR:
591 memcpy(phy->macaddr, (void *)skb->data, ETH_ALEN);
592 break;
593 case MT_NIC_CAP_PHY:
594 mt7921_mcu_parse_phy_cap(phy->dev, skb);
595 break;
596 case MT_NIC_CAP_TX_RESOURCE:
597 if (mt76_is_sdio(phy->dev))
598 mt7921_mcu_parse_tx_resource(phy->dev,
599 skb);
600 break;
601 case MT_NIC_CAP_CHIP_CAP:
602 memcpy(&mphy->chip_cap, (void *)skb->data, sizeof(u64));
603 break;
604 default:
605 break;
606 }
607 skb_pull(skb, len);
608 }
609 out:
610 dev_kfree_skb(skb);
611
612 return ret;
613 }
614
mt7921_mcu_fw_log_2_host(struct mt792x_dev * dev,u8 ctrl)615 int mt7921_mcu_fw_log_2_host(struct mt792x_dev *dev, u8 ctrl)
616 {
617 struct {
618 u8 ctrl_val;
619 u8 pad[3];
620 } data = {
621 .ctrl_val = ctrl
622 };
623
624 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(FWLOG_2_HOST),
625 &data, sizeof(data), false);
626 }
627
mt7921_run_firmware(struct mt792x_dev * dev)628 int mt7921_run_firmware(struct mt792x_dev *dev)
629 {
630 int err;
631
632 err = mt792x_load_firmware(dev);
633 if (err)
634 return err;
635
636 err = mt7921_mcu_get_nic_capability(&dev->phy);
637 if (err)
638 return err;
639
640 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
641 err = mt7921_load_clc(dev, mt792x_ram_name(dev));
642 if (err)
643 return err;
644
645 return mt7921_mcu_fw_log_2_host(dev, 1);
646 }
647 EXPORT_SYMBOL_GPL(mt7921_run_firmware);
648
mt7921_mcu_radio_led_ctrl(struct mt792x_dev * dev,u8 value)649 int mt7921_mcu_radio_led_ctrl(struct mt792x_dev *dev, u8 value)
650 {
651 struct {
652 u8 ctrlid;
653 u8 rsv[3];
654 } __packed req = {
655 .ctrlid = value,
656 };
657
658 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ID_RADIO_ON_OFF_CTRL),
659 &req, sizeof(req), false);
660 }
661 EXPORT_SYMBOL_GPL(mt7921_mcu_radio_led_ctrl);
662
mt7921_mcu_set_tx(struct mt792x_dev * dev,struct ieee80211_vif * vif)663 int mt7921_mcu_set_tx(struct mt792x_dev *dev, struct ieee80211_vif *vif)
664 {
665 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
666 struct edca {
667 __le16 cw_min;
668 __le16 cw_max;
669 __le16 txop;
670 __le16 aifs;
671 u8 guardtime;
672 u8 acm;
673 } __packed;
674 struct mt7921_mcu_tx {
675 struct edca edca[IEEE80211_NUM_ACS];
676 u8 bss_idx;
677 u8 qos;
678 u8 wmm_idx;
679 u8 pad;
680 } __packed req = {
681 .bss_idx = mvif->bss_conf.mt76.idx,
682 .qos = vif->bss_conf.qos,
683 .wmm_idx = mvif->bss_conf.mt76.wmm_idx,
684 };
685 struct mu_edca {
686 u8 cw_min;
687 u8 cw_max;
688 u8 aifsn;
689 u8 acm;
690 u8 timer;
691 u8 padding[3];
692 };
693 struct mt7921_mcu_mu_tx {
694 u8 ver;
695 u8 pad0;
696 __le16 len;
697 u8 bss_idx;
698 u8 qos;
699 u8 wmm_idx;
700 u8 pad1;
701 struct mu_edca edca[IEEE80211_NUM_ACS];
702 u8 pad3[32];
703 } __packed req_mu = {
704 .bss_idx = mvif->bss_conf.mt76.idx,
705 .qos = vif->bss_conf.qos,
706 .wmm_idx = mvif->bss_conf.mt76.wmm_idx,
707 };
708 static const int to_aci[] = { 1, 0, 2, 3 };
709 int ac, ret;
710
711 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
712 struct ieee80211_tx_queue_params *q = &mvif->bss_conf.queue_params[ac];
713 struct edca *e = &req.edca[to_aci[ac]];
714
715 e->aifs = cpu_to_le16(q->aifs);
716 e->txop = cpu_to_le16(q->txop);
717
718 if (q->cw_min)
719 e->cw_min = cpu_to_le16(q->cw_min);
720 else
721 e->cw_min = cpu_to_le16(5);
722
723 if (q->cw_max)
724 e->cw_max = cpu_to_le16(q->cw_max);
725 else
726 e->cw_max = cpu_to_le16(10);
727 }
728
729 ret = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_EDCA_PARMS), &req,
730 sizeof(req), false);
731 if (ret)
732 return ret;
733
734 if (!vif->bss_conf.he_support)
735 return 0;
736
737 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
738 struct ieee80211_he_mu_edca_param_ac_rec *q;
739 struct mu_edca *e;
740
741 if (!mvif->bss_conf.queue_params[ac].mu_edca)
742 break;
743
744 q = &mvif->bss_conf.queue_params[ac].mu_edca_param_rec;
745 e = &(req_mu.edca[to_aci[ac]]);
746
747 e->cw_min = q->ecw_min_max & 0xf;
748 e->cw_max = (q->ecw_min_max & 0xf0) >> 4;
749 e->aifsn = q->aifsn;
750 e->timer = q->mu_edca_timer;
751 }
752
753 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_MU_EDCA_PARMS),
754 &req_mu, sizeof(req_mu), false);
755 }
756
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)757 int mt7921_mcu_set_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
758 struct ieee80211_channel *chan, int duration,
759 enum mt7921_roc_req type, u8 token_id)
760 {
761 int center_ch = ieee80211_frequency_to_channel(chan->center_freq);
762 struct mt792x_dev *dev = phy->dev;
763 struct {
764 struct {
765 u8 rsv[4];
766 } __packed hdr;
767 struct roc_acquire_tlv {
768 __le16 tag;
769 __le16 len;
770 u8 bss_idx;
771 u8 tokenid;
772 u8 control_channel;
773 u8 sco;
774 u8 band;
775 u8 bw;
776 u8 center_chan;
777 u8 center_chan2;
778 u8 bw_from_ap;
779 u8 center_chan_from_ap;
780 u8 center_chan2_from_ap;
781 u8 reqtype;
782 __le32 maxinterval;
783 u8 dbdcband;
784 u8 rsv[3];
785 } __packed roc;
786 } __packed req = {
787 .roc = {
788 .tag = cpu_to_le16(UNI_ROC_ACQUIRE),
789 .len = cpu_to_le16(sizeof(struct roc_acquire_tlv)),
790 .tokenid = token_id,
791 .reqtype = type,
792 .maxinterval = cpu_to_le32(duration),
793 .bss_idx = vif->bss_conf.mt76.idx,
794 .control_channel = chan->hw_value,
795 .bw = CMD_CBW_20MHZ,
796 .bw_from_ap = CMD_CBW_20MHZ,
797 .center_chan = center_ch,
798 .center_chan_from_ap = center_ch,
799 .dbdcband = 0xff, /* auto */
800 },
801 };
802
803 if (chan->hw_value < center_ch)
804 req.roc.sco = 1; /* SCA */
805 else if (chan->hw_value > center_ch)
806 req.roc.sco = 3; /* SCB */
807
808 switch (chan->band) {
809 case NL80211_BAND_6GHZ:
810 req.roc.band = 3;
811 break;
812 case NL80211_BAND_5GHZ:
813 req.roc.band = 2;
814 break;
815 default:
816 req.roc.band = 1;
817 break;
818 }
819
820 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
821 &req, sizeof(req), false);
822 }
823
mt7921_mcu_abort_roc(struct mt792x_phy * phy,struct mt792x_vif * vif,u8 token_id)824 int mt7921_mcu_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
825 u8 token_id)
826 {
827 struct mt792x_dev *dev = phy->dev;
828 struct {
829 struct {
830 u8 rsv[4];
831 } __packed hdr;
832 struct roc_abort_tlv {
833 __le16 tag;
834 __le16 len;
835 u8 bss_idx;
836 u8 tokenid;
837 u8 dbdcband;
838 u8 rsv[5];
839 } __packed abort;
840 } __packed req = {
841 .abort = {
842 .tag = cpu_to_le16(UNI_ROC_ABORT),
843 .len = cpu_to_le16(sizeof(struct roc_abort_tlv)),
844 .tokenid = token_id,
845 .bss_idx = vif->bss_conf.mt76.idx,
846 .dbdcband = 0xff, /* auto*/
847 },
848 };
849
850 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
851 &req, sizeof(req), false);
852 }
853
mt7921_mcu_set_chan_info(struct mt792x_phy * phy,int cmd)854 int mt7921_mcu_set_chan_info(struct mt792x_phy *phy, int cmd)
855 {
856 struct mt792x_dev *dev = phy->dev;
857 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
858 int freq1 = chandef->center_freq1;
859 struct {
860 u8 control_ch;
861 u8 center_ch;
862 u8 bw;
863 u8 tx_streams_num;
864 u8 rx_streams; /* mask or num */
865 u8 switch_reason;
866 u8 band_idx;
867 u8 center_ch2; /* for 80+80 only */
868 __le16 cac_case;
869 u8 channel_band;
870 u8 rsv0;
871 __le32 outband_freq;
872 u8 txpower_drop;
873 u8 ap_bw;
874 u8 ap_center_ch;
875 u8 rsv1[57];
876 } __packed req = {
877 .control_ch = chandef->chan->hw_value,
878 .center_ch = ieee80211_frequency_to_channel(freq1),
879 .bw = mt76_connac_chan_bw(chandef),
880 .tx_streams_num = hweight8(phy->mt76->antenna_mask),
881 .rx_streams = phy->mt76->antenna_mask,
882 .band_idx = phy != &dev->phy,
883 };
884
885 if (chandef->chan->band == NL80211_BAND_6GHZ)
886 req.channel_band = 2;
887 else
888 req.channel_band = chandef->chan->band;
889
890 if (cmd == MCU_EXT_CMD(SET_RX_PATH) ||
891 dev->mt76.hw->conf.flags & IEEE80211_CONF_MONITOR)
892 req.switch_reason = CH_SWITCH_NORMAL;
893 else if (phy->mt76->offchannel)
894 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
895 else if (!cfg80211_reg_can_beacon(dev->mt76.hw->wiphy, chandef,
896 NL80211_IFTYPE_AP))
897 req.switch_reason = CH_SWITCH_DFS;
898 else
899 req.switch_reason = CH_SWITCH_NORMAL;
900
901 if (cmd == MCU_EXT_CMD(CHANNEL_SWITCH))
902 req.rx_streams = hweight8(req.rx_streams);
903
904 if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
905 int freq2 = chandef->center_freq2;
906
907 req.center_ch2 = ieee80211_frequency_to_channel(freq2);
908 }
909
910 return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
911 }
912
mt7921_mcu_set_eeprom(struct mt792x_dev * dev)913 int mt7921_mcu_set_eeprom(struct mt792x_dev *dev)
914 {
915 struct req_hdr {
916 u8 buffer_mode;
917 u8 format;
918 __le16 len;
919 } __packed req = {
920 .buffer_mode = EE_MODE_EFUSE,
921 .format = EE_FORMAT_WHOLE,
922 };
923
924 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(EFUSE_BUFFER_MODE),
925 &req, sizeof(req), true);
926 }
927 EXPORT_SYMBOL_GPL(mt7921_mcu_set_eeprom);
928
mt7921_mcu_uni_bss_ps(struct mt792x_dev * dev,struct ieee80211_vif * vif)929 int mt7921_mcu_uni_bss_ps(struct mt792x_dev *dev, struct ieee80211_vif *vif)
930 {
931 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
932 struct {
933 struct {
934 u8 bss_idx;
935 u8 pad[3];
936 } __packed hdr;
937 struct ps_tlv {
938 __le16 tag;
939 __le16 len;
940 u8 ps_state; /* 0: device awake
941 * 1: static power save
942 * 2: dynamic power saving
943 * 3: enter TWT power saving
944 * 4: leave TWT power saving
945 */
946 u8 pad[3];
947 } __packed ps;
948 } __packed ps_req = {
949 .hdr = {
950 .bss_idx = mvif->bss_conf.mt76.idx,
951 },
952 .ps = {
953 .tag = cpu_to_le16(UNI_BSS_INFO_PS),
954 .len = cpu_to_le16(sizeof(struct ps_tlv)),
955 .ps_state = vif->cfg.ps ? 2 : 0,
956 },
957 };
958
959 if (vif->type != NL80211_IFTYPE_STATION)
960 return -EOPNOTSUPP;
961
962 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
963 &ps_req, sizeof(ps_req), true);
964 }
965
966 static int
mt7921_mcu_uni_bss_bcnft(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)967 mt7921_mcu_uni_bss_bcnft(struct mt792x_dev *dev, struct ieee80211_vif *vif,
968 bool enable)
969 {
970 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
971 struct {
972 struct {
973 u8 bss_idx;
974 u8 pad[3];
975 } __packed hdr;
976 struct bcnft_tlv {
977 __le16 tag;
978 __le16 len;
979 __le16 bcn_interval;
980 u8 dtim_period;
981 u8 pad;
982 } __packed bcnft;
983 } __packed bcnft_req = {
984 .hdr = {
985 .bss_idx = mvif->bss_conf.mt76.idx,
986 },
987 .bcnft = {
988 .tag = cpu_to_le16(UNI_BSS_INFO_BCNFT),
989 .len = cpu_to_le16(sizeof(struct bcnft_tlv)),
990 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
991 .dtim_period = vif->bss_conf.dtim_period,
992 },
993 };
994
995 if (vif->type != NL80211_IFTYPE_STATION)
996 return 0;
997
998 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
999 &bcnft_req, sizeof(bcnft_req), true);
1000 }
1001
1002 int
mt7921_mcu_set_bss_pm(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1003 mt7921_mcu_set_bss_pm(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1004 bool enable)
1005 {
1006 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1007 struct {
1008 u8 bss_idx;
1009 u8 dtim_period;
1010 __le16 aid;
1011 __le16 bcn_interval;
1012 __le16 atim_window;
1013 u8 uapsd;
1014 u8 bmc_delivered_ac;
1015 u8 bmc_triggered_ac;
1016 u8 pad;
1017 } req = {
1018 .bss_idx = mvif->bss_conf.mt76.idx,
1019 .aid = cpu_to_le16(vif->cfg.aid),
1020 .dtim_period = vif->bss_conf.dtim_period,
1021 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
1022 };
1023 struct {
1024 u8 bss_idx;
1025 u8 pad[3];
1026 } req_hdr = {
1027 .bss_idx = mvif->bss_conf.mt76.idx,
1028 };
1029 int err;
1030
1031 err = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_ABORT),
1032 &req_hdr, sizeof(req_hdr), false);
1033 if (err < 0 || !enable)
1034 return err;
1035
1036 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_CONNECTED),
1037 &req, sizeof(req), false);
1038 }
1039
mt7921_mcu_sta_update(struct mt792x_dev * dev,struct ieee80211_sta * sta,struct ieee80211_vif * vif,bool enable,enum mt76_sta_info_state state)1040 int mt7921_mcu_sta_update(struct mt792x_dev *dev, struct ieee80211_sta *sta,
1041 struct ieee80211_vif *vif, bool enable,
1042 enum mt76_sta_info_state state)
1043 {
1044 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1045 int rssi = -ewma_rssi_read(&mvif->bss_conf.rssi);
1046 struct mt76_sta_cmd_info info = {
1047 .sta = sta,
1048 .vif = vif,
1049 .enable = enable,
1050 .cmd = MCU_UNI_CMD(STA_REC_UPDATE),
1051 .state = state,
1052 .offload_fw = true,
1053 .rcpi = to_rcpi(rssi),
1054 };
1055 struct mt792x_sta *msta;
1056
1057 msta = sta ? (struct mt792x_sta *)sta->drv_priv : NULL;
1058 info.wcid = msta ? &msta->deflink.wcid : &mvif->sta.deflink.wcid;
1059 info.newly = msta ? state != MT76_STA_INFO_STATE_ASSOC : true;
1060
1061 return mt76_connac_mcu_sta_cmd(&dev->mphy, &info);
1062 }
1063
mt7921_mcu_set_beacon_filter(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1064 int mt7921_mcu_set_beacon_filter(struct mt792x_dev *dev,
1065 struct ieee80211_vif *vif,
1066 bool enable)
1067 {
1068 #define MT7921_FIF_BIT_CLR BIT(1)
1069 #define MT7921_FIF_BIT_SET BIT(0)
1070 int err;
1071
1072 if (enable) {
1073 err = mt7921_mcu_uni_bss_bcnft(dev, vif, true);
1074 if (err)
1075 return err;
1076
1077 err = mt7921_mcu_set_rxfilter(dev, 0,
1078 MT7921_FIF_BIT_SET,
1079 MT_WF_RFCR_DROP_OTHER_BEACON);
1080 if (err)
1081 return err;
1082
1083 return 0;
1084 }
1085
1086 err = mt7921_mcu_set_bss_pm(dev, vif, false);
1087 if (err)
1088 return err;
1089
1090 err = mt7921_mcu_set_rxfilter(dev, 0,
1091 MT7921_FIF_BIT_CLR,
1092 MT_WF_RFCR_DROP_OTHER_BEACON);
1093 if (err)
1094 return err;
1095
1096 return 0;
1097 }
1098
mt7921_get_txpwr_info(struct mt792x_dev * dev,struct mt7921_txpwr * txpwr)1099 int mt7921_get_txpwr_info(struct mt792x_dev *dev, struct mt7921_txpwr *txpwr)
1100 {
1101 struct mt7921_txpwr_event *event;
1102 struct mt7921_txpwr_req req = {
1103 .dbdc_idx = 0,
1104 };
1105 struct sk_buff *skb;
1106 int ret;
1107
1108 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CE_CMD(GET_TXPWR),
1109 &req, sizeof(req), true, &skb);
1110 if (ret)
1111 return ret;
1112
1113 event = (struct mt7921_txpwr_event *)skb->data;
1114 WARN_ON(skb->len != le16_to_cpu(event->len));
1115 memcpy(txpwr, &event->txpwr, sizeof(event->txpwr));
1116
1117 dev_kfree_skb(skb);
1118
1119 return 0;
1120 }
1121
mt7921_mcu_set_sniffer(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1122 int mt7921_mcu_set_sniffer(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1123 bool enable)
1124 {
1125 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
1126 struct {
1127 struct {
1128 u8 band_idx;
1129 u8 pad[3];
1130 } __packed hdr;
1131 struct sniffer_enable_tlv {
1132 __le16 tag;
1133 __le16 len;
1134 u8 enable;
1135 u8 pad[3];
1136 } __packed enable;
1137 } req = {
1138 .hdr = {
1139 .band_idx = mvif->band_idx,
1140 },
1141 .enable = {
1142 .tag = cpu_to_le16(0),
1143 .len = cpu_to_le16(sizeof(struct sniffer_enable_tlv)),
1144 .enable = enable,
1145 },
1146 };
1147
1148 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(SNIFFER), &req, sizeof(req),
1149 true);
1150 }
1151
mt7921_mcu_config_sniffer(struct mt792x_vif * vif,struct ieee80211_chanctx_conf * ctx)1152 int mt7921_mcu_config_sniffer(struct mt792x_vif *vif,
1153 struct ieee80211_chanctx_conf *ctx)
1154 {
1155 struct cfg80211_chan_def *chandef = &ctx->def;
1156 int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2;
1157 static const u8 ch_band[] = {
1158 [NL80211_BAND_2GHZ] = 1,
1159 [NL80211_BAND_5GHZ] = 2,
1160 [NL80211_BAND_6GHZ] = 3,
1161 };
1162 static const u8 ch_width[] = {
1163 [NL80211_CHAN_WIDTH_20_NOHT] = 0,
1164 [NL80211_CHAN_WIDTH_20] = 0,
1165 [NL80211_CHAN_WIDTH_40] = 0,
1166 [NL80211_CHAN_WIDTH_80] = 1,
1167 [NL80211_CHAN_WIDTH_160] = 2,
1168 [NL80211_CHAN_WIDTH_80P80] = 3,
1169 [NL80211_CHAN_WIDTH_5] = 4,
1170 [NL80211_CHAN_WIDTH_10] = 5,
1171 [NL80211_CHAN_WIDTH_320] = 6,
1172 };
1173 struct {
1174 struct {
1175 u8 band_idx;
1176 u8 pad[3];
1177 } __packed hdr;
1178 struct config_tlv {
1179 __le16 tag;
1180 __le16 len;
1181 u16 aid;
1182 u8 ch_band;
1183 u8 bw;
1184 u8 control_ch;
1185 u8 sco;
1186 u8 center_ch;
1187 u8 center_ch2;
1188 u8 drop_err;
1189 u8 pad[3];
1190 } __packed tlv;
1191 } __packed req = {
1192 .hdr = {
1193 .band_idx = vif->bss_conf.mt76.band_idx,
1194 },
1195 .tlv = {
1196 .tag = cpu_to_le16(1),
1197 .len = cpu_to_le16(sizeof(req.tlv)),
1198 .control_ch = chandef->chan->hw_value,
1199 .center_ch = ieee80211_frequency_to_channel(freq1),
1200 .drop_err = 1,
1201 },
1202 };
1203 if (chandef->chan->band < ARRAY_SIZE(ch_band))
1204 req.tlv.ch_band = ch_band[chandef->chan->band];
1205 if (chandef->width < ARRAY_SIZE(ch_width))
1206 req.tlv.bw = ch_width[chandef->width];
1207
1208 if (freq2)
1209 req.tlv.center_ch2 = ieee80211_frequency_to_channel(freq2);
1210
1211 if (req.tlv.control_ch < req.tlv.center_ch)
1212 req.tlv.sco = 1; /* SCA */
1213 else if (req.tlv.control_ch > req.tlv.center_ch)
1214 req.tlv.sco = 3; /* SCB */
1215
1216 return mt76_mcu_send_msg(vif->phy->mt76->dev, MCU_UNI_CMD(SNIFFER),
1217 &req, sizeof(req), true);
1218 }
1219
1220 int
mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev * dev,struct ieee80211_hw * hw,struct ieee80211_vif * vif,bool enable)1221 mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev *dev,
1222 struct ieee80211_hw *hw,
1223 struct ieee80211_vif *vif,
1224 bool enable)
1225 {
1226 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1227 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
1228 struct ieee80211_mutable_offsets offs;
1229 struct {
1230 struct req_hdr {
1231 u8 bss_idx;
1232 u8 pad[3];
1233 } __packed hdr;
1234 struct bcn_content_tlv {
1235 __le16 tag;
1236 __le16 len;
1237 __le16 tim_ie_pos;
1238 __le16 csa_ie_pos;
1239 __le16 bcc_ie_pos;
1240 /* 0: disable beacon offload
1241 * 1: enable beacon offload
1242 * 2: update probe respond offload
1243 */
1244 u8 enable;
1245 /* 0: legacy format (TXD + payload)
1246 * 1: only cap field IE
1247 */
1248 u8 type;
1249 __le16 pkt_len;
1250 u8 pkt[512];
1251 } __packed beacon_tlv;
1252 } req = {
1253 .hdr = {
1254 .bss_idx = mvif->bss_conf.mt76.idx,
1255 },
1256 .beacon_tlv = {
1257 .tag = cpu_to_le16(UNI_BSS_INFO_BCN_CONTENT),
1258 .len = cpu_to_le16(sizeof(struct bcn_content_tlv)),
1259 .enable = enable,
1260 },
1261 };
1262 struct sk_buff *skb;
1263
1264 /* support enable/update process only
1265 * disable flow would be handled in bss stop handler automatically
1266 */
1267 if (!enable)
1268 return -EOPNOTSUPP;
1269
1270 skb = ieee80211_beacon_get_template(mt76_hw(dev), vif, &offs, 0);
1271 if (!skb)
1272 return -EINVAL;
1273
1274 if (skb->len > 512 - MT_TXD_SIZE) {
1275 dev_err(dev->mt76.dev, "beacon size limit exceed\n");
1276 dev_kfree_skb(skb);
1277 return -EINVAL;
1278 }
1279
1280 mt76_connac2_mac_write_txwi(&dev->mt76, (__le32 *)(req.beacon_tlv.pkt),
1281 skb, wcid, NULL, 0, 0, BSS_CHANGED_BEACON);
1282 memcpy(req.beacon_tlv.pkt + MT_TXD_SIZE, skb->data, skb->len);
1283 req.beacon_tlv.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
1284 req.beacon_tlv.tim_ie_pos = cpu_to_le16(MT_TXD_SIZE + offs.tim_offset);
1285
1286 if (offs.cntdwn_counter_offs[0]) {
1287 u16 csa_offs;
1288
1289 csa_offs = MT_TXD_SIZE + offs.cntdwn_counter_offs[0] - 4;
1290 req.beacon_tlv.csa_ie_pos = cpu_to_le16(csa_offs);
1291 }
1292 dev_kfree_skb(skb);
1293
1294 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
1295 &req, sizeof(req), true);
1296 }
1297
1298 static
__mt7921_mcu_set_clc(struct mt792x_dev * dev,u8 * alpha2,enum environment_cap env_cap,struct mt7921_clc * clc,u8 idx)1299 int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
1300 enum environment_cap env_cap,
1301 struct mt7921_clc *clc,
1302 u8 idx)
1303 {
1304 #define CLC_CAP_EVT_EN BIT(0)
1305 #define CLC_CAP_DTS_EN BIT(1)
1306 struct sk_buff *skb, *ret_skb = NULL;
1307 struct {
1308 u8 ver;
1309 u8 pad0;
1310 __le16 len;
1311 u8 idx;
1312 u8 env;
1313 u8 acpi_conf;
1314 u8 cap;
1315 u8 alpha2[2];
1316 u8 type[2];
1317 u8 env_6g;
1318 u8 mtcl_conf;
1319 u8 rsvd[62];
1320 } __packed req = {
1321 .ver = 1,
1322 .idx = idx,
1323 .env = env_cap,
1324 .env_6g = dev->phy.power_type,
1325 .acpi_conf = mt792x_acpi_get_flags(&dev->phy),
1326 .mtcl_conf = mt792x_acpi_get_mtcl_conf(&dev->phy, alpha2),
1327 };
1328 int ret, valid_cnt = 0;
1329 u32 buf_len = 0;
1330 u8 *pos;
1331
1332 if (!clc)
1333 return 0;
1334
1335 if (dev->phy.chip_cap & MT792x_CHIP_CAP_CLC_EVT_EN)
1336 req.cap |= CLC_CAP_EVT_EN;
1337 if (mt76_find_power_limits_node(&dev->mt76))
1338 req.cap |= CLC_CAP_DTS_EN;
1339
1340 buf_len = le32_to_cpu(clc->len) - sizeof(*clc);
1341 pos = clc->data;
1342 while (buf_len > 16) {
1343 struct mt7921_clc_rule *rule = (struct mt7921_clc_rule *)pos;
1344 u16 len = le16_to_cpu(rule->len);
1345 u16 offset = len + sizeof(*rule);
1346
1347 pos += offset;
1348 buf_len -= offset;
1349 if (rule->alpha2[0] != alpha2[0] ||
1350 rule->alpha2[1] != alpha2[1])
1351 continue;
1352
1353 memcpy(req.alpha2, rule->alpha2, 2);
1354 memcpy(req.type, rule->type, 2);
1355
1356 req.len = cpu_to_le16(sizeof(req) + len);
1357 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req,
1358 le16_to_cpu(req.len),
1359 sizeof(req), GFP_KERNEL);
1360 if (!skb)
1361 return -ENOMEM;
1362 skb_put_data(skb, rule->data, len);
1363
1364 ret = mt76_mcu_skb_send_and_get_msg(&dev->mt76, skb,
1365 MCU_CE_CMD(SET_CLC),
1366 !!(req.cap & CLC_CAP_EVT_EN),
1367 &ret_skb);
1368 if (ret < 0)
1369 return ret;
1370
1371 if (ret_skb) {
1372 struct mt7921_clc_info_tlv *info;
1373
1374 info = (struct mt7921_clc_info_tlv *)(ret_skb->data + 4);
1375 dev->phy.clc_chan_conf = info->chan_conf;
1376 dev_kfree_skb(ret_skb);
1377 }
1378
1379 valid_cnt++;
1380 }
1381
1382 if (!valid_cnt)
1383 return -ENOENT;
1384
1385 return 0;
1386 }
1387
mt7921_mcu_set_clc(struct mt792x_dev * dev,u8 * alpha2,enum environment_cap env_cap)1388 int mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
1389 enum environment_cap env_cap)
1390 {
1391 struct mt792x_phy *phy = (struct mt792x_phy *)&dev->phy;
1392 int i, ret;
1393
1394 /* submit all clc config */
1395 for (i = 0; i < ARRAY_SIZE(phy->clc); i++) {
1396 ret = __mt7921_mcu_set_clc(dev, alpha2, env_cap,
1397 phy->clc[i], i);
1398
1399 /* If no country found, set "00" as default */
1400 if (ret == -ENOENT)
1401 ret = __mt7921_mcu_set_clc(dev, "00",
1402 ENVIRON_INDOOR,
1403 phy->clc[i], i);
1404 if (ret < 0)
1405 return ret;
1406 }
1407 return 0;
1408 }
1409
mt7921_mcu_get_temperature(struct mt792x_phy * phy)1410 int mt7921_mcu_get_temperature(struct mt792x_phy *phy)
1411 {
1412 struct mt792x_dev *dev = phy->dev;
1413 struct {
1414 u8 ctrl_id;
1415 u8 action;
1416 u8 band_idx;
1417 u8 rsv[5];
1418 } req = {
1419 .ctrl_id = THERMAL_SENSOR_TEMP_QUERY,
1420 .band_idx = phy->mt76->band_idx,
1421 };
1422
1423 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(THERMAL_CTRL), &req,
1424 sizeof(req), true);
1425 }
1426
mt7921_mcu_set_rxfilter(struct mt792x_dev * dev,u32 fif,u8 bit_op,u32 bit_map)1427 int mt7921_mcu_set_rxfilter(struct mt792x_dev *dev, u32 fif,
1428 u8 bit_op, u32 bit_map)
1429 {
1430 struct {
1431 u8 rsv[4];
1432 u8 mode;
1433 u8 rsv2[3];
1434 __le32 fif;
1435 __le32 bit_map; /* bit_* for bitmap update */
1436 u8 bit_op;
1437 u8 pad[51];
1438 } __packed data = {
1439 .mode = fif ? 1 : 2,
1440 .fif = cpu_to_le32(fif),
1441 .bit_map = cpu_to_le32(bit_map),
1442 .bit_op = bit_op,
1443 };
1444
1445 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_RX_FILTER),
1446 &data, sizeof(data), false);
1447 }
1448
mt7921_mcu_set_rssimonitor(struct mt792x_dev * dev,struct ieee80211_vif * vif)1449 int mt7921_mcu_set_rssimonitor(struct mt792x_dev *dev, struct ieee80211_vif *vif)
1450 {
1451 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1452 struct {
1453 u8 enable;
1454 s8 cqm_rssi_high;
1455 s8 cqm_rssi_low;
1456 u8 bss_idx;
1457 u16 duration;
1458 u8 rsv2[2];
1459 } __packed data = {
1460 .enable = vif->cfg.assoc,
1461 .cqm_rssi_high = vif->bss_conf.cqm_rssi_thold + vif->bss_conf.cqm_rssi_hyst,
1462 .cqm_rssi_low = vif->bss_conf.cqm_rssi_thold - vif->bss_conf.cqm_rssi_hyst,
1463 .bss_idx = mvif->bss_conf.mt76.idx,
1464 };
1465
1466 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(RSSI_MONITOR),
1467 &data, sizeof(data), false);
1468 }
1469