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 	u8 *clc_base = NULL, hw_encap = 0;
423 
424 	dev->phy.clc_chan_conf = 0xff;
425 	if (mt7921_disable_clc ||
426 	    mt76_is_usb(&dev->mt76))
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 	for (i = 0; i < hdr->n_region; i++) {
448 		region = (const void *)((const u8 *)hdr -
449 					(hdr->n_region - i) * sizeof(*region));
450 		len = le32_to_cpu(region->len);
451 
452 		/* check if we have valid buffer size */
453 		if (offset + len > fw->size) {
454 			dev_err(mdev->dev, "Invalid firmware region\n");
455 			ret = -EINVAL;
456 			goto out;
457 		}
458 
459 		if ((region->feature_set & FW_FEATURE_NON_DL) &&
460 		    region->type == FW_TYPE_CLC) {
461 			clc_base = (u8 *)(fw->data + offset);
462 			break;
463 		}
464 		offset += len;
465 	}
466 
467 	if (!clc_base)
468 		goto out;
469 
470 	for (offset = 0; offset < len; offset += le32_to_cpu(clc->len)) {
471 		clc = (const struct mt7921_clc *)(clc_base + offset);
472 
473 		/* do not init buf again if chip reset triggered */
474 		if (phy->clc[clc->idx])
475 			continue;
476 
477 		/* header content sanity */
478 		if (clc->idx == MT7921_CLC_POWER &&
479 		    u8_get_bits(clc->type, MT_EE_HW_TYPE_ENCAP) != hw_encap)
480 			continue;
481 
482 		phy->clc[clc->idx] = devm_kmemdup(mdev->dev, clc,
483 						  le32_to_cpu(clc->len),
484 						  GFP_KERNEL);
485 
486 		if (!phy->clc[clc->idx]) {
487 			ret = -ENOMEM;
488 			goto out;
489 		}
490 	}
491 	ret = mt7921_mcu_set_clc(dev, "00", ENVIRON_INDOOR);
492 out:
493 	release_firmware(fw);
494 
495 	return ret;
496 }
497 
mt7921_mcu_parse_tx_resource(struct mt76_dev * dev,struct sk_buff * skb)498 static void mt7921_mcu_parse_tx_resource(struct mt76_dev *dev,
499 					 struct sk_buff *skb)
500 {
501 	struct mt76_sdio *sdio = &dev->sdio;
502 	struct mt7921_tx_resource {
503 		__le32 version;
504 		__le32 pse_data_quota;
505 		__le32 pse_mcu_quota;
506 		__le32 ple_data_quota;
507 		__le32 ple_mcu_quota;
508 		__le16 pse_page_size;
509 		__le16 ple_page_size;
510 		u8 pp_padding;
511 		u8 pad[3];
512 	} __packed * tx_res;
513 
514 	tx_res = (struct mt7921_tx_resource *)skb->data;
515 	sdio->sched.pse_data_quota = le32_to_cpu(tx_res->pse_data_quota);
516 	sdio->pse_mcu_quota_max = le32_to_cpu(tx_res->pse_mcu_quota);
517 	/* The mcu quota usage of this function itself must be taken into consideration */
518 	sdio->sched.pse_mcu_quota =
519 		sdio->sched.pse_mcu_quota ? sdio->pse_mcu_quota_max : sdio->pse_mcu_quota_max - 1;
520 	sdio->sched.ple_data_quota = le32_to_cpu(tx_res->ple_data_quota);
521 	sdio->sched.pse_page_size = le16_to_cpu(tx_res->pse_page_size);
522 	sdio->sched.deficit = tx_res->pp_padding;
523 }
524 
mt7921_mcu_parse_phy_cap(struct mt76_dev * dev,struct sk_buff * skb)525 static void mt7921_mcu_parse_phy_cap(struct mt76_dev *dev,
526 				     struct sk_buff *skb)
527 {
528 	struct mt7921_phy_cap {
529 		u8 ht;
530 		u8 vht;
531 		u8 _5g;
532 		u8 max_bw;
533 		u8 nss;
534 		u8 dbdc;
535 		u8 tx_ldpc;
536 		u8 rx_ldpc;
537 		u8 tx_stbc;
538 		u8 rx_stbc;
539 		u8 hw_path;
540 		u8 he;
541 	} __packed * cap;
542 
543 	enum {
544 		WF0_24G,
545 		WF0_5G
546 	};
547 
548 	cap = (struct mt7921_phy_cap *)skb->data;
549 
550 	dev->phy.antenna_mask = BIT(cap->nss) - 1;
551 	dev->phy.chainmask = dev->phy.antenna_mask;
552 	dev->phy.cap.has_2ghz = cap->hw_path & BIT(WF0_24G);
553 	dev->phy.cap.has_5ghz = cap->hw_path & BIT(WF0_5G);
554 }
555 
mt7921_mcu_get_nic_capability(struct mt792x_phy * mphy)556 static int mt7921_mcu_get_nic_capability(struct mt792x_phy *mphy)
557 {
558 	struct mt76_connac_cap_hdr {
559 		__le16 n_element;
560 		u8 rsv[2];
561 	} __packed * hdr;
562 	struct sk_buff *skb;
563 	struct mt76_phy *phy = mphy->mt76;
564 	int ret, i;
565 
566 	ret = mt76_mcu_send_and_get_msg(phy->dev, MCU_CE_CMD(GET_NIC_CAPAB),
567 					NULL, 0, true, &skb);
568 	if (ret)
569 		return ret;
570 
571 	hdr = (struct mt76_connac_cap_hdr *)skb->data;
572 	if (skb->len < sizeof(*hdr)) {
573 		ret = -EINVAL;
574 		goto out;
575 	}
576 
577 	skb_pull(skb, sizeof(*hdr));
578 
579 	for (i = 0; i < le16_to_cpu(hdr->n_element); i++) {
580 		struct tlv_hdr {
581 			__le32 type;
582 			__le32 len;
583 		} __packed * tlv = (struct tlv_hdr *)skb->data;
584 		int len;
585 
586 		if (skb->len < sizeof(*tlv))
587 			break;
588 
589 		skb_pull(skb, sizeof(*tlv));
590 
591 		len = le32_to_cpu(tlv->len);
592 		if (skb->len < len)
593 			break;
594 
595 		switch (le32_to_cpu(tlv->type)) {
596 		case MT_NIC_CAP_6G:
597 			phy->cap.has_6ghz = skb->data[0];
598 			break;
599 		case MT_NIC_CAP_MAC_ADDR:
600 			memcpy(phy->macaddr, (void *)skb->data, ETH_ALEN);
601 			break;
602 		case MT_NIC_CAP_PHY:
603 			mt7921_mcu_parse_phy_cap(phy->dev, skb);
604 			break;
605 		case MT_NIC_CAP_TX_RESOURCE:
606 			if (mt76_is_sdio(phy->dev))
607 				mt7921_mcu_parse_tx_resource(phy->dev,
608 							     skb);
609 			break;
610 		case MT_NIC_CAP_CHIP_CAP:
611 			memcpy(&mphy->chip_cap, (void *)skb->data, sizeof(u64));
612 			break;
613 		default:
614 			break;
615 		}
616 		skb_pull(skb, len);
617 	}
618 out:
619 	dev_kfree_skb(skb);
620 
621 	return ret;
622 }
623 
mt7921_mcu_fw_log_2_host(struct mt792x_dev * dev,u8 ctrl)624 int mt7921_mcu_fw_log_2_host(struct mt792x_dev *dev, u8 ctrl)
625 {
626 	struct {
627 		u8 ctrl_val;
628 		u8 pad[3];
629 	} data = {
630 		.ctrl_val = ctrl
631 	};
632 
633 	return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(FWLOG_2_HOST),
634 				 &data, sizeof(data), false);
635 }
636 
mt7921_run_firmware(struct mt792x_dev * dev)637 int mt7921_run_firmware(struct mt792x_dev *dev)
638 {
639 	int err;
640 
641 	err = mt792x_load_firmware(dev);
642 	if (err)
643 		return err;
644 
645 	err = mt7921_mcu_get_nic_capability(&dev->phy);
646 	if (err)
647 		return err;
648 
649 	set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
650 	err = mt7921_load_clc(dev, mt792x_ram_name(dev));
651 	if (err)
652 		return err;
653 
654 	return mt7921_mcu_fw_log_2_host(dev, 1);
655 }
656 EXPORT_SYMBOL_GPL(mt7921_run_firmware);
657 
mt7921_mcu_radio_led_ctrl(struct mt792x_dev * dev,u8 value)658 int mt7921_mcu_radio_led_ctrl(struct mt792x_dev *dev, u8 value)
659 {
660 	struct {
661 		u8 ctrlid;
662 		u8 rsv[3];
663 	} __packed req = {
664 		.ctrlid = value,
665 	};
666 
667 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ID_RADIO_ON_OFF_CTRL),
668 				&req, sizeof(req), false);
669 }
670 EXPORT_SYMBOL_GPL(mt7921_mcu_radio_led_ctrl);
671 
mt7921_mcu_set_tx(struct mt792x_dev * dev,struct ieee80211_vif * vif)672 int mt7921_mcu_set_tx(struct mt792x_dev *dev, struct ieee80211_vif *vif)
673 {
674 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
675 	struct edca {
676 		__le16 cw_min;
677 		__le16 cw_max;
678 		__le16 txop;
679 		__le16 aifs;
680 		u8 guardtime;
681 		u8 acm;
682 	} __packed;
683 	struct mt7921_mcu_tx {
684 		struct edca edca[IEEE80211_NUM_ACS];
685 		u8 bss_idx;
686 		u8 qos;
687 		u8 wmm_idx;
688 		u8 pad;
689 	} __packed req = {
690 		.bss_idx = mvif->bss_conf.mt76.idx,
691 		.qos = vif->bss_conf.qos,
692 		.wmm_idx = mvif->bss_conf.mt76.wmm_idx,
693 	};
694 	struct mu_edca {
695 		u8 cw_min;
696 		u8 cw_max;
697 		u8 aifsn;
698 		u8 acm;
699 		u8 timer;
700 		u8 padding[3];
701 	};
702 	struct mt7921_mcu_mu_tx {
703 		u8 ver;
704 		u8 pad0;
705 		__le16 len;
706 		u8 bss_idx;
707 		u8 qos;
708 		u8 wmm_idx;
709 		u8 pad1;
710 		struct mu_edca edca[IEEE80211_NUM_ACS];
711 		u8 pad3[32];
712 	} __packed req_mu = {
713 		.bss_idx = mvif->bss_conf.mt76.idx,
714 		.qos = vif->bss_conf.qos,
715 		.wmm_idx = mvif->bss_conf.mt76.wmm_idx,
716 	};
717 	static const int to_aci[] = { 1, 0, 2, 3 };
718 	int ac, ret;
719 
720 	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
721 		struct ieee80211_tx_queue_params *q = &mvif->bss_conf.queue_params[ac];
722 		struct edca *e = &req.edca[to_aci[ac]];
723 
724 		e->aifs = cpu_to_le16(q->aifs);
725 		e->txop = cpu_to_le16(q->txop);
726 
727 		if (q->cw_min)
728 			e->cw_min = cpu_to_le16(q->cw_min);
729 		else
730 			e->cw_min = cpu_to_le16(5);
731 
732 		if (q->cw_max)
733 			e->cw_max = cpu_to_le16(q->cw_max);
734 		else
735 			e->cw_max = cpu_to_le16(10);
736 	}
737 
738 	ret = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_EDCA_PARMS), &req,
739 				sizeof(req), false);
740 	if (ret)
741 		return ret;
742 
743 	if (!vif->bss_conf.he_support)
744 		return 0;
745 
746 	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
747 		struct ieee80211_he_mu_edca_param_ac_rec *q;
748 		struct mu_edca *e;
749 
750 		if (!mvif->bss_conf.queue_params[ac].mu_edca)
751 			break;
752 
753 		q = &mvif->bss_conf.queue_params[ac].mu_edca_param_rec;
754 		e = &(req_mu.edca[to_aci[ac]]);
755 
756 		e->cw_min = q->ecw_min_max & 0xf;
757 		e->cw_max = (q->ecw_min_max & 0xf0) >> 4;
758 		e->aifsn = q->aifsn;
759 		e->timer = q->mu_edca_timer;
760 	}
761 
762 	return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_MU_EDCA_PARMS),
763 				 &req_mu, sizeof(req_mu), false);
764 }
765 
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)766 int mt7921_mcu_set_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
767 		       struct ieee80211_channel *chan, int duration,
768 		       enum mt7921_roc_req type, u8 token_id)
769 {
770 	int center_ch = ieee80211_frequency_to_channel(chan->center_freq);
771 	struct mt792x_dev *dev = phy->dev;
772 	struct {
773 		struct {
774 			u8 rsv[4];
775 		} __packed hdr;
776 		struct roc_acquire_tlv {
777 			__le16 tag;
778 			__le16 len;
779 			u8 bss_idx;
780 			u8 tokenid;
781 			u8 control_channel;
782 			u8 sco;
783 			u8 band;
784 			u8 bw;
785 			u8 center_chan;
786 			u8 center_chan2;
787 			u8 bw_from_ap;
788 			u8 center_chan_from_ap;
789 			u8 center_chan2_from_ap;
790 			u8 reqtype;
791 			__le32 maxinterval;
792 			u8 dbdcband;
793 			u8 rsv[3];
794 		} __packed roc;
795 	} __packed req = {
796 		.roc = {
797 			.tag = cpu_to_le16(UNI_ROC_ACQUIRE),
798 			.len = cpu_to_le16(sizeof(struct roc_acquire_tlv)),
799 			.tokenid = token_id,
800 			.reqtype = type,
801 			.maxinterval = cpu_to_le32(duration),
802 			.bss_idx = vif->bss_conf.mt76.idx,
803 			.control_channel = chan->hw_value,
804 			.bw = CMD_CBW_20MHZ,
805 			.bw_from_ap = CMD_CBW_20MHZ,
806 			.center_chan = center_ch,
807 			.center_chan_from_ap = center_ch,
808 			.dbdcband = 0xff, /* auto */
809 		},
810 	};
811 
812 	if (chan->hw_value < center_ch)
813 		req.roc.sco = 1; /* SCA */
814 	else if (chan->hw_value > center_ch)
815 		req.roc.sco = 3; /* SCB */
816 
817 	switch (chan->band) {
818 	case NL80211_BAND_6GHZ:
819 		req.roc.band = 3;
820 		break;
821 	case NL80211_BAND_5GHZ:
822 		req.roc.band = 2;
823 		break;
824 	default:
825 		req.roc.band = 1;
826 		break;
827 	}
828 
829 	return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
830 				 &req, sizeof(req), false);
831 }
832 
mt7921_mcu_abort_roc(struct mt792x_phy * phy,struct mt792x_vif * vif,u8 token_id)833 int mt7921_mcu_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
834 			 u8 token_id)
835 {
836 	struct mt792x_dev *dev = phy->dev;
837 	struct {
838 		struct {
839 			u8 rsv[4];
840 		} __packed hdr;
841 		struct roc_abort_tlv {
842 			__le16 tag;
843 			__le16 len;
844 			u8 bss_idx;
845 			u8 tokenid;
846 			u8 dbdcband;
847 			u8 rsv[5];
848 		} __packed abort;
849 	} __packed req = {
850 		.abort = {
851 			.tag = cpu_to_le16(UNI_ROC_ABORT),
852 			.len = cpu_to_le16(sizeof(struct roc_abort_tlv)),
853 			.tokenid = token_id,
854 			.bss_idx = vif->bss_conf.mt76.idx,
855 			.dbdcband = 0xff, /* auto*/
856 		},
857 	};
858 
859 	return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
860 				 &req, sizeof(req), false);
861 }
862 
mt7921_mcu_set_chan_info(struct mt792x_phy * phy,int cmd)863 int mt7921_mcu_set_chan_info(struct mt792x_phy *phy, int cmd)
864 {
865 	struct mt792x_dev *dev = phy->dev;
866 	struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
867 	int freq1 = chandef->center_freq1;
868 	struct {
869 		u8 control_ch;
870 		u8 center_ch;
871 		u8 bw;
872 		u8 tx_streams_num;
873 		u8 rx_streams;	/* mask or num */
874 		u8 switch_reason;
875 		u8 band_idx;
876 		u8 center_ch2;	/* for 80+80 only */
877 		__le16 cac_case;
878 		u8 channel_band;
879 		u8 rsv0;
880 		__le32 outband_freq;
881 		u8 txpower_drop;
882 		u8 ap_bw;
883 		u8 ap_center_ch;
884 		u8 rsv1[57];
885 	} __packed req = {
886 		.control_ch = chandef->chan->hw_value,
887 		.center_ch = ieee80211_frequency_to_channel(freq1),
888 		.bw = mt76_connac_chan_bw(chandef),
889 		.tx_streams_num = hweight8(phy->mt76->antenna_mask),
890 		.rx_streams = phy->mt76->antenna_mask,
891 		.band_idx = phy != &dev->phy,
892 	};
893 
894 	if (chandef->chan->band == NL80211_BAND_6GHZ)
895 		req.channel_band = 2;
896 	else
897 		req.channel_band = chandef->chan->band;
898 
899 	if (cmd == MCU_EXT_CMD(SET_RX_PATH) ||
900 	    dev->mt76.hw->conf.flags & IEEE80211_CONF_MONITOR)
901 		req.switch_reason = CH_SWITCH_NORMAL;
902 	else if (phy->mt76->offchannel)
903 		req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
904 	else if (!cfg80211_reg_can_beacon(dev->mt76.hw->wiphy, chandef,
905 					  NL80211_IFTYPE_AP))
906 		req.switch_reason = CH_SWITCH_DFS;
907 	else
908 		req.switch_reason = CH_SWITCH_NORMAL;
909 
910 	if (cmd == MCU_EXT_CMD(CHANNEL_SWITCH))
911 		req.rx_streams = hweight8(req.rx_streams);
912 
913 	if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
914 		int freq2 = chandef->center_freq2;
915 
916 		req.center_ch2 = ieee80211_frequency_to_channel(freq2);
917 	}
918 
919 	return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
920 }
921 
mt7921_mcu_set_eeprom(struct mt792x_dev * dev)922 int mt7921_mcu_set_eeprom(struct mt792x_dev *dev)
923 {
924 	struct req_hdr {
925 		u8 buffer_mode;
926 		u8 format;
927 		__le16 len;
928 	} __packed req = {
929 		.buffer_mode = EE_MODE_EFUSE,
930 		.format = EE_FORMAT_WHOLE,
931 	};
932 
933 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(EFUSE_BUFFER_MODE),
934 				 &req, sizeof(req), true);
935 }
936 EXPORT_SYMBOL_GPL(mt7921_mcu_set_eeprom);
937 
mt7921_mcu_uni_bss_ps(struct mt792x_dev * dev,struct ieee80211_vif * vif)938 int mt7921_mcu_uni_bss_ps(struct mt792x_dev *dev, struct ieee80211_vif *vif)
939 {
940 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
941 	struct {
942 		struct {
943 			u8 bss_idx;
944 			u8 pad[3];
945 		} __packed hdr;
946 		struct ps_tlv {
947 			__le16 tag;
948 			__le16 len;
949 			u8 ps_state; /* 0: device awake
950 				      * 1: static power save
951 				      * 2: dynamic power saving
952 				      * 3: enter TWT power saving
953 				      * 4: leave TWT power saving
954 				      */
955 			u8 pad[3];
956 		} __packed ps;
957 	} __packed ps_req = {
958 		.hdr = {
959 			.bss_idx = mvif->bss_conf.mt76.idx,
960 		},
961 		.ps = {
962 			.tag = cpu_to_le16(UNI_BSS_INFO_PS),
963 			.len = cpu_to_le16(sizeof(struct ps_tlv)),
964 			.ps_state = vif->cfg.ps ? 2 : 0,
965 		},
966 	};
967 
968 	if (vif->type != NL80211_IFTYPE_STATION)
969 		return -EOPNOTSUPP;
970 
971 	return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
972 				 &ps_req, sizeof(ps_req), true);
973 }
974 
975 static int
mt7921_mcu_uni_bss_bcnft(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)976 mt7921_mcu_uni_bss_bcnft(struct mt792x_dev *dev, struct ieee80211_vif *vif,
977 			 bool enable)
978 {
979 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
980 	struct {
981 		struct {
982 			u8 bss_idx;
983 			u8 pad[3];
984 		} __packed hdr;
985 		struct bcnft_tlv {
986 			__le16 tag;
987 			__le16 len;
988 			__le16 bcn_interval;
989 			u8 dtim_period;
990 			u8 pad;
991 		} __packed bcnft;
992 	} __packed bcnft_req = {
993 		.hdr = {
994 			.bss_idx = mvif->bss_conf.mt76.idx,
995 		},
996 		.bcnft = {
997 			.tag = cpu_to_le16(UNI_BSS_INFO_BCNFT),
998 			.len = cpu_to_le16(sizeof(struct bcnft_tlv)),
999 			.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
1000 			.dtim_period = vif->bss_conf.dtim_period,
1001 		},
1002 	};
1003 
1004 	if (vif->type != NL80211_IFTYPE_STATION)
1005 		return 0;
1006 
1007 	return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
1008 				 &bcnft_req, sizeof(bcnft_req), true);
1009 }
1010 
1011 int
mt7921_mcu_set_bss_pm(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1012 mt7921_mcu_set_bss_pm(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1013 		      bool enable)
1014 {
1015 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1016 	struct {
1017 		u8 bss_idx;
1018 		u8 dtim_period;
1019 		__le16 aid;
1020 		__le16 bcn_interval;
1021 		__le16 atim_window;
1022 		u8 uapsd;
1023 		u8 bmc_delivered_ac;
1024 		u8 bmc_triggered_ac;
1025 		u8 pad;
1026 	} req = {
1027 		.bss_idx = mvif->bss_conf.mt76.idx,
1028 		.aid = cpu_to_le16(vif->cfg.aid),
1029 		.dtim_period = vif->bss_conf.dtim_period,
1030 		.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
1031 	};
1032 	struct {
1033 		u8 bss_idx;
1034 		u8 pad[3];
1035 	} req_hdr = {
1036 		.bss_idx = mvif->bss_conf.mt76.idx,
1037 	};
1038 	int err;
1039 
1040 	err = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_ABORT),
1041 				&req_hdr, sizeof(req_hdr), false);
1042 	if (err < 0 || !enable)
1043 		return err;
1044 
1045 	return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_CONNECTED),
1046 				 &req, sizeof(req), false);
1047 }
1048 
mt7921_mcu_sta_update(struct mt792x_dev * dev,struct ieee80211_sta * sta,struct ieee80211_vif * vif,bool enable,enum mt76_sta_info_state state)1049 int mt7921_mcu_sta_update(struct mt792x_dev *dev, struct ieee80211_sta *sta,
1050 			  struct ieee80211_vif *vif, bool enable,
1051 			  enum mt76_sta_info_state state)
1052 {
1053 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1054 	int rssi = -ewma_rssi_read(&mvif->bss_conf.rssi);
1055 	struct mt76_sta_cmd_info info = {
1056 		.sta = sta,
1057 		.vif = vif,
1058 		.enable = enable,
1059 		.cmd = MCU_UNI_CMD(STA_REC_UPDATE),
1060 		.state = state,
1061 		.offload_fw = true,
1062 		.rcpi = to_rcpi(rssi),
1063 	};
1064 	struct mt792x_sta *msta;
1065 
1066 	msta = sta ? (struct mt792x_sta *)sta->drv_priv : NULL;
1067 	info.wcid = msta ? &msta->deflink.wcid : &mvif->sta.deflink.wcid;
1068 	info.newly = msta ? state != MT76_STA_INFO_STATE_ASSOC : true;
1069 
1070 	return mt76_connac_mcu_sta_cmd(&dev->mphy, &info);
1071 }
1072 
mt7921_mcu_set_beacon_filter(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1073 int mt7921_mcu_set_beacon_filter(struct mt792x_dev *dev,
1074 				 struct ieee80211_vif *vif,
1075 				 bool enable)
1076 {
1077 #define MT7921_FIF_BIT_CLR		BIT(1)
1078 #define MT7921_FIF_BIT_SET		BIT(0)
1079 	int err;
1080 
1081 	if (enable) {
1082 		err = mt7921_mcu_uni_bss_bcnft(dev, vif, true);
1083 		if (err)
1084 			return err;
1085 
1086 		err = mt7921_mcu_set_rxfilter(dev, 0,
1087 					      MT7921_FIF_BIT_SET,
1088 					      MT_WF_RFCR_DROP_OTHER_BEACON);
1089 		if (err)
1090 			return err;
1091 
1092 		return 0;
1093 	}
1094 
1095 	err = mt7921_mcu_set_bss_pm(dev, vif, false);
1096 	if (err)
1097 		return err;
1098 
1099 	err = mt7921_mcu_set_rxfilter(dev, 0,
1100 				      MT7921_FIF_BIT_CLR,
1101 				      MT_WF_RFCR_DROP_OTHER_BEACON);
1102 	if (err)
1103 		return err;
1104 
1105 	return 0;
1106 }
1107 
mt7921_get_txpwr_info(struct mt792x_dev * dev,struct mt7921_txpwr * txpwr)1108 int mt7921_get_txpwr_info(struct mt792x_dev *dev, struct mt7921_txpwr *txpwr)
1109 {
1110 	struct mt7921_txpwr_event *event;
1111 	struct mt7921_txpwr_req req = {
1112 		.dbdc_idx = 0,
1113 	};
1114 	struct sk_buff *skb;
1115 	int ret;
1116 
1117 	ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CE_CMD(GET_TXPWR),
1118 					&req, sizeof(req), true, &skb);
1119 	if (ret)
1120 		return ret;
1121 
1122 	event = (struct mt7921_txpwr_event *)skb->data;
1123 	WARN_ON(skb->len != le16_to_cpu(event->len));
1124 	memcpy(txpwr, &event->txpwr, sizeof(event->txpwr));
1125 
1126 	dev_kfree_skb(skb);
1127 
1128 	return 0;
1129 }
1130 
mt7921_mcu_set_sniffer(struct mt792x_dev * dev,struct ieee80211_vif * vif,bool enable)1131 int mt7921_mcu_set_sniffer(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1132 			   bool enable)
1133 {
1134 	struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
1135 	struct {
1136 		struct {
1137 			u8 band_idx;
1138 			u8 pad[3];
1139 		} __packed hdr;
1140 		struct sniffer_enable_tlv {
1141 			__le16 tag;
1142 			__le16 len;
1143 			u8 enable;
1144 			u8 pad[3];
1145 		} __packed enable;
1146 	} req = {
1147 		.hdr = {
1148 			.band_idx = mvif->band_idx,
1149 		},
1150 		.enable = {
1151 			.tag = cpu_to_le16(0),
1152 			.len = cpu_to_le16(sizeof(struct sniffer_enable_tlv)),
1153 			.enable = enable,
1154 		},
1155 	};
1156 
1157 	return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(SNIFFER), &req, sizeof(req),
1158 				 true);
1159 }
1160 
mt7921_mcu_config_sniffer(struct mt792x_vif * vif,struct ieee80211_chanctx_conf * ctx)1161 int mt7921_mcu_config_sniffer(struct mt792x_vif *vif,
1162 			      struct ieee80211_chanctx_conf *ctx)
1163 {
1164 	struct cfg80211_chan_def *chandef = &ctx->def;
1165 	int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2;
1166 	static const u8 ch_band[] = {
1167 		[NL80211_BAND_2GHZ] = 1,
1168 		[NL80211_BAND_5GHZ] = 2,
1169 		[NL80211_BAND_6GHZ] = 3,
1170 	};
1171 	static const u8 ch_width[] = {
1172 		[NL80211_CHAN_WIDTH_20_NOHT] = 0,
1173 		[NL80211_CHAN_WIDTH_20] = 0,
1174 		[NL80211_CHAN_WIDTH_40] = 0,
1175 		[NL80211_CHAN_WIDTH_80] = 1,
1176 		[NL80211_CHAN_WIDTH_160] = 2,
1177 		[NL80211_CHAN_WIDTH_80P80] = 3,
1178 		[NL80211_CHAN_WIDTH_5] = 4,
1179 		[NL80211_CHAN_WIDTH_10] = 5,
1180 		[NL80211_CHAN_WIDTH_320] = 6,
1181 	};
1182 	struct {
1183 		struct {
1184 			u8 band_idx;
1185 			u8 pad[3];
1186 		} __packed hdr;
1187 		struct config_tlv {
1188 			__le16 tag;
1189 			__le16 len;
1190 			u16 aid;
1191 			u8 ch_band;
1192 			u8 bw;
1193 			u8 control_ch;
1194 			u8 sco;
1195 			u8 center_ch;
1196 			u8 center_ch2;
1197 			u8 drop_err;
1198 			u8 pad[3];
1199 		} __packed tlv;
1200 	} __packed req = {
1201 		.hdr = {
1202 			.band_idx = vif->bss_conf.mt76.band_idx,
1203 		},
1204 		.tlv = {
1205 			.tag = cpu_to_le16(1),
1206 			.len = cpu_to_le16(sizeof(req.tlv)),
1207 			.control_ch = chandef->chan->hw_value,
1208 			.center_ch = ieee80211_frequency_to_channel(freq1),
1209 			.drop_err = 1,
1210 		},
1211 	};
1212 	if (chandef->chan->band < ARRAY_SIZE(ch_band))
1213 		req.tlv.ch_band = ch_band[chandef->chan->band];
1214 	if (chandef->width < ARRAY_SIZE(ch_width))
1215 		req.tlv.bw = ch_width[chandef->width];
1216 
1217 	if (freq2)
1218 		req.tlv.center_ch2 = ieee80211_frequency_to_channel(freq2);
1219 
1220 	if (req.tlv.control_ch < req.tlv.center_ch)
1221 		req.tlv.sco = 1; /* SCA */
1222 	else if (req.tlv.control_ch > req.tlv.center_ch)
1223 		req.tlv.sco = 3; /* SCB */
1224 
1225 	return mt76_mcu_send_msg(vif->phy->mt76->dev, MCU_UNI_CMD(SNIFFER),
1226 				 &req, sizeof(req), true);
1227 }
1228 
1229 int
mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev * dev,struct ieee80211_hw * hw,struct ieee80211_vif * vif,bool enable)1230 mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev *dev,
1231 				  struct ieee80211_hw *hw,
1232 				  struct ieee80211_vif *vif,
1233 				  bool enable)
1234 {
1235 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1236 	struct mt76_wcid *wcid = &dev->mt76.global_wcid;
1237 	struct ieee80211_mutable_offsets offs;
1238 	struct {
1239 		struct req_hdr {
1240 			u8 bss_idx;
1241 			u8 pad[3];
1242 		} __packed hdr;
1243 		struct bcn_content_tlv {
1244 			__le16 tag;
1245 			__le16 len;
1246 			__le16 tim_ie_pos;
1247 			__le16 csa_ie_pos;
1248 			__le16 bcc_ie_pos;
1249 			/* 0: disable beacon offload
1250 			 * 1: enable beacon offload
1251 			 * 2: update probe respond offload
1252 			 */
1253 			u8 enable;
1254 			/* 0: legacy format (TXD + payload)
1255 			 * 1: only cap field IE
1256 			 */
1257 			u8 type;
1258 			__le16 pkt_len;
1259 			u8 pkt[512];
1260 		} __packed beacon_tlv;
1261 	} req = {
1262 		.hdr = {
1263 			.bss_idx = mvif->bss_conf.mt76.idx,
1264 		},
1265 		.beacon_tlv = {
1266 			.tag = cpu_to_le16(UNI_BSS_INFO_BCN_CONTENT),
1267 			.len = cpu_to_le16(sizeof(struct bcn_content_tlv)),
1268 			.enable = enable,
1269 		},
1270 	};
1271 	struct sk_buff *skb;
1272 
1273 	/* support enable/update process only
1274 	 * disable flow would be handled in bss stop handler automatically
1275 	 */
1276 	if (!enable)
1277 		return -EOPNOTSUPP;
1278 
1279 	skb = ieee80211_beacon_get_template(mt76_hw(dev), vif, &offs, 0);
1280 	if (!skb)
1281 		return -EINVAL;
1282 
1283 	if (skb->len > 512 - MT_TXD_SIZE) {
1284 		dev_err(dev->mt76.dev, "beacon size limit exceed\n");
1285 		dev_kfree_skb(skb);
1286 		return -EINVAL;
1287 	}
1288 
1289 	mt76_connac2_mac_write_txwi(&dev->mt76, (__le32 *)(req.beacon_tlv.pkt),
1290 				    skb, wcid, NULL, 0, 0, BSS_CHANGED_BEACON);
1291 	memcpy(req.beacon_tlv.pkt + MT_TXD_SIZE, skb->data, skb->len);
1292 	req.beacon_tlv.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
1293 	req.beacon_tlv.tim_ie_pos = cpu_to_le16(MT_TXD_SIZE + offs.tim_offset);
1294 
1295 	if (offs.cntdwn_counter_offs[0]) {
1296 		u16 csa_offs;
1297 
1298 		csa_offs = MT_TXD_SIZE + offs.cntdwn_counter_offs[0] - 4;
1299 		req.beacon_tlv.csa_ie_pos = cpu_to_le16(csa_offs);
1300 	}
1301 	dev_kfree_skb(skb);
1302 
1303 	return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
1304 				 &req, sizeof(req), true);
1305 }
1306 
1307 static
__mt7921_mcu_set_clc(struct mt792x_dev * dev,u8 * alpha2,enum environment_cap env_cap,struct mt7921_clc * clc,u8 idx)1308 int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
1309 			 enum environment_cap env_cap,
1310 			 struct mt7921_clc *clc,
1311 			 u8 idx)
1312 {
1313 #define CLC_CAP_EVT_EN BIT(0)
1314 #define CLC_CAP_DTS_EN BIT(1)
1315 	struct sk_buff *skb, *ret_skb = NULL;
1316 	struct {
1317 		u8 ver;
1318 		u8 pad0;
1319 		__le16 len;
1320 		u8 idx;
1321 		u8 env;
1322 		u8 acpi_conf;
1323 		u8 cap;
1324 		u8 alpha2[2];
1325 		u8 type[2];
1326 		u8 env_6g;
1327 		u8 mtcl_conf;
1328 		u8 rsvd[62];
1329 	} __packed req = {
1330 		.ver = 1,
1331 		.idx = idx,
1332 		.env = env_cap,
1333 		.env_6g = dev->phy.power_type,
1334 		.acpi_conf = mt792x_acpi_get_flags(&dev->phy),
1335 		.mtcl_conf = mt792x_acpi_get_mtcl_conf(&dev->phy, alpha2),
1336 	};
1337 	int ret, valid_cnt = 0;
1338 	u32 buf_len = 0;
1339 	u8 *pos;
1340 
1341 	if (!clc)
1342 		return 0;
1343 
1344 	if (dev->phy.chip_cap & MT792x_CHIP_CAP_CLC_EVT_EN)
1345 		req.cap |= CLC_CAP_EVT_EN;
1346 	if (mt76_find_power_limits_node(&dev->mt76))
1347 		req.cap |= CLC_CAP_DTS_EN;
1348 
1349 	buf_len = le32_to_cpu(clc->len) - sizeof(*clc);
1350 	pos = clc->data;
1351 	while (buf_len > 16) {
1352 		struct mt7921_clc_rule *rule = (struct mt7921_clc_rule *)pos;
1353 		u16 len = le16_to_cpu(rule->len);
1354 		u16 offset = len + sizeof(*rule);
1355 
1356 		pos += offset;
1357 		buf_len -= offset;
1358 		if (rule->alpha2[0] != alpha2[0] ||
1359 		    rule->alpha2[1] != alpha2[1])
1360 			continue;
1361 
1362 		memcpy(req.alpha2, rule->alpha2, 2);
1363 		memcpy(req.type, rule->type, 2);
1364 
1365 		req.len = cpu_to_le16(sizeof(req) + len);
1366 		skb = __mt76_mcu_msg_alloc(&dev->mt76, &req,
1367 					   le16_to_cpu(req.len),
1368 					   sizeof(req), GFP_KERNEL);
1369 		if (!skb)
1370 			return -ENOMEM;
1371 		skb_put_data(skb, rule->data, len);
1372 
1373 		ret = mt76_mcu_skb_send_and_get_msg(&dev->mt76, skb,
1374 						    MCU_CE_CMD(SET_CLC),
1375 						    !!(req.cap & CLC_CAP_EVT_EN),
1376 						    &ret_skb);
1377 		if (ret < 0)
1378 			return ret;
1379 
1380 		if (ret_skb) {
1381 			struct mt7921_clc_info_tlv *info;
1382 
1383 			info = (struct mt7921_clc_info_tlv *)(ret_skb->data + 4);
1384 			dev->phy.clc_chan_conf = info->chan_conf;
1385 			dev_kfree_skb(ret_skb);
1386 		}
1387 
1388 		valid_cnt++;
1389 	}
1390 
1391 	if (!valid_cnt)
1392 		return -ENOENT;
1393 
1394 	return 0;
1395 }
1396 
mt7921_mcu_set_clc(struct mt792x_dev * dev,u8 * alpha2,enum environment_cap env_cap)1397 int mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
1398 		       enum environment_cap env_cap)
1399 {
1400 	struct mt792x_phy *phy = (struct mt792x_phy *)&dev->phy;
1401 	int i, ret;
1402 
1403 	/* submit all clc config */
1404 	for (i = 0; i < ARRAY_SIZE(phy->clc); i++) {
1405 		ret = __mt7921_mcu_set_clc(dev, alpha2, env_cap,
1406 					   phy->clc[i], i);
1407 
1408 		/* If no country found, set "00" as default */
1409 		if (ret == -ENOENT)
1410 			ret = __mt7921_mcu_set_clc(dev, "00",
1411 						   ENVIRON_INDOOR,
1412 						   phy->clc[i], i);
1413 		if (ret < 0)
1414 			return ret;
1415 	}
1416 	return 0;
1417 }
1418 
mt7921_mcu_get_temperature(struct mt792x_phy * phy)1419 int mt7921_mcu_get_temperature(struct mt792x_phy *phy)
1420 {
1421 	struct mt792x_dev *dev = phy->dev;
1422 	struct {
1423 		u8 ctrl_id;
1424 		u8 action;
1425 		u8 band_idx;
1426 		u8 rsv[5];
1427 	} req = {
1428 		.ctrl_id = THERMAL_SENSOR_TEMP_QUERY,
1429 		.band_idx = phy->mt76->band_idx,
1430 	};
1431 
1432 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(THERMAL_CTRL), &req,
1433 				 sizeof(req), true);
1434 }
1435 
mt7921_mcu_wf_rf_pin_ctrl(struct mt792x_phy * phy,u8 action)1436 int mt7921_mcu_wf_rf_pin_ctrl(struct mt792x_phy *phy, u8 action)
1437 {
1438 	struct mt792x_dev *dev = phy->dev;
1439 	struct {
1440 		u8 action;
1441 		u8 value;
1442 	} req = {
1443 		.action = action,
1444 		.value = 0,
1445 	};
1446 
1447 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(WF_RF_PIN_CTRL), &req,
1448 				 sizeof(req), action ? true : false);
1449 }
1450 
mt7921_mcu_set_rxfilter(struct mt792x_dev * dev,u32 fif,u8 bit_op,u32 bit_map)1451 int mt7921_mcu_set_rxfilter(struct mt792x_dev *dev, u32 fif,
1452 			    u8 bit_op, u32 bit_map)
1453 {
1454 	struct {
1455 		u8 rsv[4];
1456 		u8 mode;
1457 		u8 rsv2[3];
1458 		__le32 fif;
1459 		__le32 bit_map; /* bit_* for bitmap update */
1460 		u8 bit_op;
1461 		u8 pad[51];
1462 	} __packed data = {
1463 		.mode = fif ? 1 : 2,
1464 		.fif = cpu_to_le32(fif),
1465 		.bit_map = cpu_to_le32(bit_map),
1466 		.bit_op = bit_op,
1467 	};
1468 
1469 	return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_RX_FILTER),
1470 				 &data, sizeof(data), false);
1471 }
1472 
mt7921_mcu_set_rssimonitor(struct mt792x_dev * dev,struct ieee80211_vif * vif)1473 int mt7921_mcu_set_rssimonitor(struct mt792x_dev *dev, struct ieee80211_vif *vif)
1474 {
1475 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1476 	struct {
1477 		u8 enable;
1478 		s8 cqm_rssi_high;
1479 		s8 cqm_rssi_low;
1480 		u8 bss_idx;
1481 		u16 duration;
1482 		u8 rsv2[2];
1483 	} __packed data = {
1484 		.enable = vif->cfg.assoc,
1485 		.cqm_rssi_high = vif->bss_conf.cqm_rssi_thold + vif->bss_conf.cqm_rssi_hyst,
1486 		.cqm_rssi_low = vif->bss_conf.cqm_rssi_thold - vif->bss_conf.cqm_rssi_hyst,
1487 		.bss_idx = mvif->bss_conf.mt76.idx,
1488 	};
1489 
1490 	return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(RSSI_MONITOR),
1491 				 &data, sizeof(data), false);
1492 }
1493