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1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2019 MediaTek Inc.
3  *
4  * Author: Roy Luo <royluo@google.com>
5  *         Ryder Lee <ryder.lee@mediatek.com>
6  */
7 
8 #include <linux/firmware.h>
9 #include "mt7615.h"
10 #include "mcu.h"
11 #include "mac.h"
12 #include "eeprom.h"
13 
14 struct mt7615_patch_hdr {
15 	char build_date[16];
16 	char platform[4];
17 	__be32 hw_sw_ver;
18 	__be32 patch_ver;
19 	__be16 checksum;
20 } __packed;
21 
22 struct mt7615_fw_trailer {
23 	__le32 addr;
24 	u8 chip_id;
25 	u8 feature_set;
26 	u8 eco_code;
27 	char fw_ver[10];
28 	char build_date[15];
29 	__le32 len;
30 } __packed;
31 
32 #define MCU_PATCH_ADDRESS		0x80000
33 
34 #define N9_REGION_NUM			2
35 #define CR4_REGION_NUM			1
36 
37 #define IMG_CRC_LEN			4
38 
39 #define FW_FEATURE_SET_ENCRYPT		BIT(0)
40 #define FW_FEATURE_SET_KEY_IDX		GENMASK(2, 1)
41 
42 #define DL_MODE_ENCRYPT			BIT(0)
43 #define DL_MODE_KEY_IDX			GENMASK(2, 1)
44 #define DL_MODE_RESET_SEC_IV		BIT(3)
45 #define DL_MODE_WORKING_PDA_CR4		BIT(4)
46 #define DL_MODE_NEED_RSP		BIT(31)
47 
48 #define FW_START_OVERRIDE		BIT(0)
49 #define FW_START_WORKING_PDA_CR4	BIT(2)
50 
__mt7615_mcu_msg_send(struct mt7615_dev * dev,struct sk_buff * skb,int cmd,int * wait_seq)51 static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
52 				 int cmd, int *wait_seq)
53 {
54 	struct mt7615_mcu_txd *mcu_txd;
55 	u8 seq, q_idx, pkt_fmt;
56 	enum mt76_txq_id qid;
57 	u32 val;
58 	__le32 *txd;
59 
60 	seq = ++dev->mt76.mmio.mcu.msg_seq & 0xf;
61 	if (!seq)
62 		seq = ++dev->mt76.mmio.mcu.msg_seq & 0xf;
63 
64 	mcu_txd = (struct mt7615_mcu_txd *)skb_push(skb,
65 		   sizeof(struct mt7615_mcu_txd));
66 	memset(mcu_txd, 0, sizeof(struct mt7615_mcu_txd));
67 
68 	if (cmd != -MCU_CMD_FW_SCATTER) {
69 		q_idx = MT_TX_MCU_PORT_RX_Q0;
70 		pkt_fmt = MT_TX_TYPE_CMD;
71 	} else {
72 		q_idx = MT_TX_MCU_PORT_RX_FWDL;
73 		pkt_fmt = MT_TX_TYPE_FW;
74 	}
75 
76 	txd = mcu_txd->txd;
77 
78 	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
79 	      FIELD_PREP(MT_TXD0_P_IDX, MT_TX_PORT_IDX_MCU) |
80 	      FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
81 	txd[0] = cpu_to_le32(val);
82 
83 	val = MT_TXD1_LONG_FORMAT |
84 	      FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD) |
85 	      FIELD_PREP(MT_TXD1_PKT_FMT, pkt_fmt);
86 	txd[1] = cpu_to_le32(val);
87 
88 	mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
89 	mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU, q_idx));
90 	mcu_txd->pkt_type = MCU_PKT_ID;
91 	mcu_txd->seq = seq;
92 
93 	if (cmd < 0) {
94 		mcu_txd->set_query = MCU_Q_NA;
95 		mcu_txd->cid = -cmd;
96 	} else {
97 		mcu_txd->cid = MCU_CMD_EXT_CID;
98 		mcu_txd->set_query = MCU_Q_SET;
99 		mcu_txd->ext_cid = cmd;
100 		mcu_txd->ext_cid_ack = 1;
101 	}
102 	mcu_txd->s2d_index = MCU_S2D_H2N;
103 
104 	if (wait_seq)
105 		*wait_seq = seq;
106 
107 	if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state))
108 		qid = MT_TXQ_MCU;
109 	else
110 		qid = MT_TXQ_FWDL;
111 
112 	return mt76_tx_queue_skb_raw(dev, qid, skb, 0);
113 }
114 
115 static int
mt7615_mcu_parse_response(struct mt7615_dev * dev,int cmd,struct sk_buff * skb,int seq)116 mt7615_mcu_parse_response(struct mt7615_dev *dev, int cmd,
117 			  struct sk_buff *skb, int seq)
118 {
119 	struct mt7615_mcu_rxd *rxd = (struct mt7615_mcu_rxd *)skb->data;
120 	int ret = 0;
121 
122 	if (seq != rxd->seq)
123 		return -EAGAIN;
124 
125 	switch (cmd) {
126 	case -MCU_CMD_PATCH_SEM_CONTROL:
127 		skb_pull(skb, sizeof(*rxd) - 4);
128 		ret = *skb->data;
129 		break;
130 	case MCU_EXT_CMD_GET_TEMP:
131 		skb_pull(skb, sizeof(*rxd));
132 		ret = le32_to_cpu(*(__le32 *)skb->data);
133 		break;
134 	default:
135 		break;
136 	}
137 	dev_kfree_skb(skb);
138 
139 	return ret;
140 }
141 
142 static int
mt7615_mcu_msg_send(struct mt76_dev * mdev,int cmd,const void * data,int len,bool wait_resp)143 mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
144 		    int len, bool wait_resp)
145 {
146 	struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
147 	unsigned long expires = jiffies + 10 * HZ;
148 	struct sk_buff *skb;
149 	int ret, seq;
150 
151 	skb = mt7615_mcu_msg_alloc(data, len);
152 	if (!skb)
153 		return -ENOMEM;
154 
155 	mutex_lock(&mdev->mmio.mcu.mutex);
156 
157 	ret = __mt7615_mcu_msg_send(dev, skb, cmd, &seq);
158 	if (ret)
159 		goto out;
160 
161 	while (wait_resp) {
162 		skb = mt76_mcu_get_response(mdev, expires);
163 		if (!skb) {
164 			dev_err(mdev->dev, "Message %d (seq %d) timeout\n",
165 				cmd, seq);
166 			ret = -ETIMEDOUT;
167 			break;
168 		}
169 
170 		ret = mt7615_mcu_parse_response(dev, cmd, skb, seq);
171 		if (ret != -EAGAIN)
172 			break;
173 	}
174 
175 out:
176 	mutex_unlock(&mdev->mmio.mcu.mutex);
177 
178 	return ret;
179 }
180 
181 static void
mt7615_mcu_csa_finish(void * priv,u8 * mac,struct ieee80211_vif * vif)182 mt7615_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
183 {
184 	if (vif->csa_active)
185 		ieee80211_csa_finish(vif);
186 }
187 
188 static void
mt7615_mcu_rx_ext_event(struct mt7615_dev * dev,struct sk_buff * skb)189 mt7615_mcu_rx_ext_event(struct mt7615_dev *dev, struct sk_buff *skb)
190 {
191 	struct mt7615_mcu_rxd *rxd = (struct mt7615_mcu_rxd *)skb->data;
192 
193 	switch (rxd->ext_eid) {
194 	case MCU_EXT_EVENT_RDD_REPORT:
195 		ieee80211_radar_detected(dev->mt76.hw);
196 		dev->hw_pattern++;
197 		break;
198 	case MCU_EXT_EVENT_CSA_NOTIFY:
199 		ieee80211_iterate_active_interfaces_atomic(dev->mt76.hw,
200 				IEEE80211_IFACE_ITER_RESUME_ALL,
201 				mt7615_mcu_csa_finish, dev);
202 		break;
203 	default:
204 		break;
205 	}
206 }
207 
208 static void
mt7615_mcu_rx_unsolicited_event(struct mt7615_dev * dev,struct sk_buff * skb)209 mt7615_mcu_rx_unsolicited_event(struct mt7615_dev *dev, struct sk_buff *skb)
210 {
211 	struct mt7615_mcu_rxd *rxd = (struct mt7615_mcu_rxd *)skb->data;
212 
213 	switch (rxd->eid) {
214 	case MCU_EVENT_EXT:
215 		mt7615_mcu_rx_ext_event(dev, skb);
216 		break;
217 	default:
218 		break;
219 	}
220 	dev_kfree_skb(skb);
221 }
222 
mt7615_mcu_rx_event(struct mt7615_dev * dev,struct sk_buff * skb)223 void mt7615_mcu_rx_event(struct mt7615_dev *dev, struct sk_buff *skb)
224 {
225 	struct mt7615_mcu_rxd *rxd = (struct mt7615_mcu_rxd *)skb->data;
226 
227 	if (rxd->ext_eid == MCU_EXT_EVENT_THERMAL_PROTECT ||
228 	    rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||
229 	    rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP ||
230 	    rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||
231 	    !rxd->seq)
232 		mt7615_mcu_rx_unsolicited_event(dev, skb);
233 	else
234 		mt76_mcu_rx_event(&dev->mt76, skb);
235 }
236 
mt7615_mcu_init_download(struct mt7615_dev * dev,u32 addr,u32 len,u32 mode)237 static int mt7615_mcu_init_download(struct mt7615_dev *dev, u32 addr,
238 				    u32 len, u32 mode)
239 {
240 	struct {
241 		__le32 addr;
242 		__le32 len;
243 		__le32 mode;
244 	} req = {
245 		.addr = cpu_to_le32(addr),
246 		.len = cpu_to_le32(len),
247 		.mode = cpu_to_le32(mode),
248 	};
249 
250 	return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_TARGET_ADDRESS_LEN_REQ,
251 				   &req, sizeof(req), true);
252 }
253 
mt7615_mcu_send_firmware(struct mt7615_dev * dev,const void * data,int len)254 static int mt7615_mcu_send_firmware(struct mt7615_dev *dev, const void *data,
255 				    int len)
256 {
257 	int ret = 0, cur_len;
258 
259 	while (len > 0) {
260 		cur_len = min_t(int, 4096 - sizeof(struct mt7615_mcu_txd),
261 				len);
262 
263 		ret = __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_SCATTER,
264 					  data, cur_len, false);
265 		if (ret)
266 			break;
267 
268 		data += cur_len;
269 		len -= cur_len;
270 		mt76_queue_tx_cleanup(dev, MT_TXQ_FWDL, false);
271 	}
272 
273 	return ret;
274 }
275 
mt7615_mcu_start_firmware(struct mt7615_dev * dev,u32 addr,u32 option)276 static int mt7615_mcu_start_firmware(struct mt7615_dev *dev, u32 addr,
277 				     u32 option)
278 {
279 	struct {
280 		__le32 option;
281 		__le32 addr;
282 	} req = {
283 		.option = cpu_to_le32(option),
284 		.addr = cpu_to_le32(addr),
285 	};
286 
287 	return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_START_REQ,
288 				   &req, sizeof(req), true);
289 }
290 
mt7615_mcu_restart(struct mt76_dev * dev)291 static int mt7615_mcu_restart(struct mt76_dev *dev)
292 {
293 	return __mt76_mcu_send_msg(dev, -MCU_CMD_RESTART_DL_REQ, NULL,
294 				   0, true);
295 }
296 
mt7615_mcu_patch_sem_ctrl(struct mt7615_dev * dev,bool get)297 static int mt7615_mcu_patch_sem_ctrl(struct mt7615_dev *dev, bool get)
298 {
299 	struct {
300 		__le32 op;
301 	} req = {
302 		.op = cpu_to_le32(get ? PATCH_SEM_GET : PATCH_SEM_RELEASE),
303 	};
304 
305 	return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_SEM_CONTROL,
306 				   &req, sizeof(req), true);
307 }
308 
mt7615_mcu_start_patch(struct mt7615_dev * dev)309 static int mt7615_mcu_start_patch(struct mt7615_dev *dev)
310 {
311 	struct {
312 		u8 check_crc;
313 		u8 reserved[3];
314 	} req = {
315 		.check_crc = 0,
316 	};
317 
318 	return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_FINISH_REQ,
319 				   &req, sizeof(req), true);
320 }
321 
mt7615_driver_own(struct mt7615_dev * dev)322 static int mt7615_driver_own(struct mt7615_dev *dev)
323 {
324 	mt76_wr(dev, MT_CFG_LPCR_HOST, MT_CFG_LPCR_HOST_DRV_OWN);
325 	if (!mt76_poll_msec(dev, MT_CFG_LPCR_HOST,
326 			    MT_CFG_LPCR_HOST_FW_OWN, 0, 500)) {
327 		dev_err(dev->mt76.dev, "Timeout for driver own\n");
328 		return -EIO;
329 	}
330 
331 	return 0;
332 }
333 
mt7615_load_patch(struct mt7615_dev * dev)334 static int mt7615_load_patch(struct mt7615_dev *dev)
335 {
336 	const struct mt7615_patch_hdr *hdr;
337 	const struct firmware *fw = NULL;
338 	int len, ret, sem;
339 
340 	sem = mt7615_mcu_patch_sem_ctrl(dev, 1);
341 	switch (sem) {
342 	case PATCH_IS_DL:
343 		return 0;
344 	case PATCH_NOT_DL_SEM_SUCCESS:
345 		break;
346 	default:
347 		dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");
348 		return -EAGAIN;
349 	}
350 
351 	ret = request_firmware(&fw, MT7615_ROM_PATCH, dev->mt76.dev);
352 	if (ret)
353 		goto out;
354 
355 	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
356 		dev_err(dev->mt76.dev, "Invalid firmware\n");
357 		ret = -EINVAL;
358 		goto out;
359 	}
360 
361 	hdr = (const struct mt7615_patch_hdr *)(fw->data);
362 
363 	dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
364 		 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
365 
366 	len = fw->size - sizeof(*hdr);
367 
368 	ret = mt7615_mcu_init_download(dev, MCU_PATCH_ADDRESS, len,
369 				       DL_MODE_NEED_RSP);
370 	if (ret) {
371 		dev_err(dev->mt76.dev, "Download request failed\n");
372 		goto out;
373 	}
374 
375 	ret = mt7615_mcu_send_firmware(dev, fw->data + sizeof(*hdr), len);
376 	if (ret) {
377 		dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
378 		goto out;
379 	}
380 
381 	ret = mt7615_mcu_start_patch(dev);
382 	if (ret)
383 		dev_err(dev->mt76.dev, "Failed to start patch\n");
384 
385 out:
386 	release_firmware(fw);
387 
388 	sem = mt7615_mcu_patch_sem_ctrl(dev, 0);
389 	switch (sem) {
390 	case PATCH_REL_SEM_SUCCESS:
391 		break;
392 	default:
393 		ret = -EAGAIN;
394 		dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
395 		break;
396 	}
397 
398 	return ret;
399 }
400 
mt7615_mcu_gen_dl_mode(u8 feature_set,bool is_cr4)401 static u32 mt7615_mcu_gen_dl_mode(u8 feature_set, bool is_cr4)
402 {
403 	u32 ret = 0;
404 
405 	ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ?
406 	       (DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0;
407 	ret |= FIELD_PREP(DL_MODE_KEY_IDX,
408 			  FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set));
409 	ret |= DL_MODE_NEED_RSP;
410 	ret |= is_cr4 ? DL_MODE_WORKING_PDA_CR4 : 0;
411 
412 	return ret;
413 }
414 
415 static int
mt7615_mcu_send_ram_firmware(struct mt7615_dev * dev,const struct mt7615_fw_trailer * hdr,const u8 * data,bool is_cr4)416 mt7615_mcu_send_ram_firmware(struct mt7615_dev *dev,
417 			     const struct mt7615_fw_trailer *hdr,
418 			     const u8 *data, bool is_cr4)
419 {
420 	int n_region = is_cr4 ? CR4_REGION_NUM : N9_REGION_NUM;
421 	int err, i, offset = 0;
422 	u32 len, addr, mode;
423 
424 	for (i = 0; i < n_region; i++) {
425 		mode = mt7615_mcu_gen_dl_mode(hdr[i].feature_set, is_cr4);
426 		len = le32_to_cpu(hdr[i].len) + IMG_CRC_LEN;
427 		addr = le32_to_cpu(hdr[i].addr);
428 
429 		err = mt7615_mcu_init_download(dev, addr, len, mode);
430 		if (err) {
431 			dev_err(dev->mt76.dev, "Download request failed\n");
432 			return err;
433 		}
434 
435 		err = mt7615_mcu_send_firmware(dev, data + offset, len);
436 		if (err) {
437 			dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
438 			return err;
439 		}
440 
441 		offset += len;
442 	}
443 
444 	return 0;
445 }
446 
mt7615_load_ram(struct mt7615_dev * dev)447 static int mt7615_load_ram(struct mt7615_dev *dev)
448 {
449 	const struct mt7615_fw_trailer *hdr;
450 	const struct firmware *fw;
451 	int ret;
452 
453 	ret = request_firmware(&fw, MT7615_FIRMWARE_N9, dev->mt76.dev);
454 	if (ret)
455 		return ret;
456 
457 	if (!fw || !fw->data || fw->size < N9_REGION_NUM * sizeof(*hdr)) {
458 		dev_err(dev->mt76.dev, "Invalid firmware\n");
459 		ret = -EINVAL;
460 		goto out;
461 	}
462 
463 	hdr = (const struct mt7615_fw_trailer *)(fw->data + fw->size -
464 					N9_REGION_NUM * sizeof(*hdr));
465 
466 	dev_info(dev->mt76.dev, "N9 Firmware Version: %.10s, Build Time: %.15s\n",
467 		 hdr->fw_ver, hdr->build_date);
468 
469 	ret = mt7615_mcu_send_ram_firmware(dev, hdr, fw->data, false);
470 	if (ret)
471 		goto out;
472 
473 	ret = mt7615_mcu_start_firmware(dev, le32_to_cpu(hdr->addr),
474 					FW_START_OVERRIDE);
475 	if (ret) {
476 		dev_err(dev->mt76.dev, "Failed to start N9 firmware\n");
477 		goto out;
478 	}
479 
480 	release_firmware(fw);
481 
482 	ret = request_firmware(&fw, MT7615_FIRMWARE_CR4, dev->mt76.dev);
483 	if (ret)
484 		return ret;
485 
486 	if (!fw || !fw->data || fw->size < CR4_REGION_NUM * sizeof(*hdr)) {
487 		dev_err(dev->mt76.dev, "Invalid firmware\n");
488 		ret = -EINVAL;
489 		goto out;
490 	}
491 
492 	hdr = (const struct mt7615_fw_trailer *)(fw->data + fw->size -
493 					CR4_REGION_NUM * sizeof(*hdr));
494 
495 	dev_info(dev->mt76.dev, "CR4 Firmware Version: %.10s, Build Time: %.15s\n",
496 		 hdr->fw_ver, hdr->build_date);
497 
498 	ret = mt7615_mcu_send_ram_firmware(dev, hdr, fw->data, true);
499 	if (ret)
500 		goto out;
501 
502 	ret = mt7615_mcu_start_firmware(dev, 0, FW_START_WORKING_PDA_CR4);
503 	if (ret)
504 		dev_err(dev->mt76.dev, "Failed to start CR4 firmware\n");
505 
506 out:
507 	release_firmware(fw);
508 
509 	return ret;
510 }
511 
mt7615_load_firmware(struct mt7615_dev * dev)512 static int mt7615_load_firmware(struct mt7615_dev *dev)
513 {
514 	int ret;
515 	u32 val;
516 
517 	val = mt76_get_field(dev, MT_TOP_MISC2, MT_TOP_MISC2_FW_STATE);
518 
519 	if (val != FW_STATE_FW_DOWNLOAD) {
520 		dev_err(dev->mt76.dev, "Firmware is not ready for download\n");
521 		return -EIO;
522 	}
523 
524 	ret = mt7615_load_patch(dev);
525 	if (ret)
526 		return ret;
527 
528 	ret = mt7615_load_ram(dev);
529 	if (ret)
530 		return ret;
531 
532 	if (!mt76_poll_msec(dev, MT_TOP_MISC2, MT_TOP_MISC2_FW_STATE,
533 			    FIELD_PREP(MT_TOP_MISC2_FW_STATE,
534 				       FW_STATE_CR4_RDY), 500)) {
535 		dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
536 		return -EIO;
537 	}
538 
539 	mt76_queue_tx_cleanup(dev, MT_TXQ_FWDL, false);
540 
541 	dev_dbg(dev->mt76.dev, "Firmware init done\n");
542 
543 	return 0;
544 }
545 
mt7615_mcu_init(struct mt7615_dev * dev)546 int mt7615_mcu_init(struct mt7615_dev *dev)
547 {
548 	static const struct mt76_mcu_ops mt7615_mcu_ops = {
549 		.mcu_send_msg = mt7615_mcu_msg_send,
550 		.mcu_restart = mt7615_mcu_restart,
551 	};
552 	int ret;
553 
554 	dev->mt76.mcu_ops = &mt7615_mcu_ops,
555 
556 	ret = mt7615_driver_own(dev);
557 	if (ret)
558 		return ret;
559 
560 	ret = mt7615_load_firmware(dev);
561 	if (ret)
562 		return ret;
563 
564 	set_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state);
565 
566 	return 0;
567 }
568 
mt7615_mcu_exit(struct mt7615_dev * dev)569 void mt7615_mcu_exit(struct mt7615_dev *dev)
570 {
571 	__mt76_mcu_restart(&dev->mt76);
572 	mt76_wr(dev, MT_CFG_LPCR_HOST, MT_CFG_LPCR_HOST_FW_OWN);
573 	skb_queue_purge(&dev->mt76.mmio.mcu.res_q);
574 }
575 
mt7615_mcu_set_eeprom(struct mt7615_dev * dev)576 int mt7615_mcu_set_eeprom(struct mt7615_dev *dev)
577 {
578 	struct {
579 		u8 buffer_mode;
580 		u8 pad;
581 		u16 len;
582 	} __packed req_hdr = {
583 		.buffer_mode = 1,
584 		.len = __MT_EE_MAX - MT_EE_NIC_CONF_0,
585 	};
586 	int ret, len = sizeof(req_hdr) + __MT_EE_MAX - MT_EE_NIC_CONF_0;
587 	u8 *req, *eep = (u8 *)dev->mt76.eeprom.data;
588 
589 	req = kzalloc(len, GFP_KERNEL);
590 	if (!req)
591 		return -ENOMEM;
592 
593 	memcpy(req, &req_hdr, sizeof(req_hdr));
594 	memcpy(req + sizeof(req_hdr), eep + MT_EE_NIC_CONF_0,
595 	       __MT_EE_MAX - MT_EE_NIC_CONF_0);
596 
597 	ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
598 				  req, len, true);
599 	kfree(req);
600 
601 	return ret;
602 }
603 
mt7615_mcu_init_mac(struct mt7615_dev * dev)604 int mt7615_mcu_init_mac(struct mt7615_dev *dev)
605 {
606 	struct {
607 		u8 enable;
608 		u8 band;
609 		u8 rsv[2];
610 	} __packed req = {
611 		.enable = 1,
612 		.band = 0,
613 	};
614 
615 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MAC_INIT_CTRL,
616 				   &req, sizeof(req), true);
617 }
618 
mt7615_mcu_set_rts_thresh(struct mt7615_dev * dev,u32 val)619 int mt7615_mcu_set_rts_thresh(struct mt7615_dev *dev, u32 val)
620 {
621 	struct {
622 		u8 prot_idx;
623 		u8 band;
624 		u8 rsv[2];
625 		__le32 len_thresh;
626 		__le32 pkt_thresh;
627 	} __packed req = {
628 		.prot_idx = 1,
629 		.band = 0,
630 		.len_thresh = cpu_to_le32(val),
631 		.pkt_thresh = cpu_to_le32(0x2),
632 	};
633 
634 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PROTECT_CTRL,
635 				   &req, sizeof(req), true);
636 }
637 
mt7615_mcu_set_wmm(struct mt7615_dev * dev,u8 queue,const struct ieee80211_tx_queue_params * params)638 int mt7615_mcu_set_wmm(struct mt7615_dev *dev, u8 queue,
639 		       const struct ieee80211_tx_queue_params *params)
640 {
641 #define WMM_AIFS_SET	BIT(0)
642 #define WMM_CW_MIN_SET	BIT(1)
643 #define WMM_CW_MAX_SET	BIT(2)
644 #define WMM_TXOP_SET	BIT(3)
645 #define WMM_PARAM_SET	(WMM_AIFS_SET | WMM_CW_MIN_SET | \
646 			 WMM_CW_MAX_SET | WMM_TXOP_SET)
647 	struct req_data {
648 		u8 number;
649 		u8 rsv[3];
650 		u8 queue;
651 		u8 valid;
652 		u8 aifs;
653 		u8 cw_min;
654 		__le16 cw_max;
655 		__le16 txop;
656 	} __packed req = {
657 		.number = 1,
658 		.queue = queue,
659 		.valid = WMM_PARAM_SET,
660 		.aifs = params->aifs,
661 		.cw_min = 5,
662 		.cw_max = cpu_to_le16(10),
663 		.txop = cpu_to_le16(params->txop),
664 	};
665 
666 	if (params->cw_min)
667 		req.cw_min = fls(params->cw_min);
668 	if (params->cw_max)
669 		req.cw_max = cpu_to_le16(fls(params->cw_max));
670 
671 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE,
672 				   &req, sizeof(req), true);
673 }
674 
mt7615_mcu_ctrl_pm_state(struct mt7615_dev * dev,int enter)675 int mt7615_mcu_ctrl_pm_state(struct mt7615_dev *dev, int enter)
676 {
677 #define ENTER_PM_STATE	1
678 #define EXIT_PM_STATE	2
679 	struct {
680 		u8 pm_number;
681 		u8 pm_state;
682 		u8 bssid[ETH_ALEN];
683 		u8 dtim_period;
684 		u8 wlan_idx;
685 		__le16 bcn_interval;
686 		__le32 aid;
687 		__le32 rx_filter;
688 		u8 band_idx;
689 		u8 rsv[3];
690 		__le32 feature;
691 		u8 omac_idx;
692 		u8 wmm_idx;
693 		u8 bcn_loss_cnt;
694 		u8 bcn_sp_duration;
695 	} __packed req = {
696 		.pm_number = 5,
697 		.pm_state = (enter) ? ENTER_PM_STATE : EXIT_PM_STATE,
698 		.band_idx = 0,
699 	};
700 
701 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PM_STATE_CTRL,
702 				   &req, sizeof(req), true);
703 }
704 
mt7615_mcu_set_dev_info(struct mt7615_dev * dev,struct ieee80211_vif * vif,bool enable)705 int mt7615_mcu_set_dev_info(struct mt7615_dev *dev,
706 			    struct ieee80211_vif *vif, bool enable)
707 {
708 	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
709 	struct {
710 		struct req_hdr {
711 			u8 omac_idx;
712 			u8 band_idx;
713 			__le16 tlv_num;
714 			u8 is_tlv_append;
715 			u8 rsv[3];
716 		} __packed hdr;
717 		struct req_tlv {
718 			__le16 tag;
719 			__le16 len;
720 			u8 active;
721 			u8 band_idx;
722 			u8 omac_addr[ETH_ALEN];
723 		} __packed tlv;
724 	} data = {
725 		.hdr = {
726 			.omac_idx = mvif->omac_idx,
727 			.band_idx = mvif->band_idx,
728 			.tlv_num = cpu_to_le16(1),
729 			.is_tlv_append = 1,
730 		},
731 		.tlv = {
732 			.tag = cpu_to_le16(DEV_INFO_ACTIVE),
733 			.len = cpu_to_le16(sizeof(struct req_tlv)),
734 			.active = enable,
735 			.band_idx = mvif->band_idx,
736 		},
737 	};
738 
739 	memcpy(data.tlv.omac_addr, vif->addr, ETH_ALEN);
740 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_DEV_INFO_UPDATE,
741 				   &data, sizeof(data), true);
742 }
743 
744 static void
mt7615_mcu_bss_info_omac_header(struct mt7615_vif * mvif,u8 * data,u32 conn_type)745 mt7615_mcu_bss_info_omac_header(struct mt7615_vif *mvif, u8 *data,
746 				u32 conn_type)
747 {
748 	struct bss_info_omac *hdr = (struct bss_info_omac *)data;
749 	u8 idx;
750 
751 	idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
752 	hdr->tag = cpu_to_le16(BSS_INFO_OMAC);
753 	hdr->len = cpu_to_le16(sizeof(struct bss_info_omac));
754 	hdr->hw_bss_idx = idx;
755 	hdr->omac_idx = mvif->omac_idx;
756 	hdr->band_idx = mvif->band_idx;
757 	hdr->conn_type = cpu_to_le32(conn_type);
758 }
759 
760 static void
mt7615_mcu_bss_info_basic_header(struct ieee80211_vif * vif,u8 * data,u32 net_type,u8 tx_wlan_idx,bool enable)761 mt7615_mcu_bss_info_basic_header(struct ieee80211_vif *vif, u8 *data,
762 				 u32 net_type, u8 tx_wlan_idx,
763 				 bool enable)
764 {
765 	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
766 	struct bss_info_basic *hdr = (struct bss_info_basic *)data;
767 
768 	hdr->tag = cpu_to_le16(BSS_INFO_BASIC);
769 	hdr->len = cpu_to_le16(sizeof(struct bss_info_basic));
770 	hdr->network_type = cpu_to_le32(net_type);
771 	hdr->active = enable;
772 	hdr->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
773 	memcpy(hdr->bssid, vif->bss_conf.bssid, ETH_ALEN);
774 	hdr->wmm_idx = mvif->wmm_idx;
775 	hdr->dtim_period = vif->bss_conf.dtim_period;
776 	hdr->bmc_tx_wlan_idx = tx_wlan_idx;
777 }
778 
779 static void
mt7615_mcu_bss_info_ext_header(struct mt7615_vif * mvif,u8 * data)780 mt7615_mcu_bss_info_ext_header(struct mt7615_vif *mvif, u8 *data)
781 {
782 /* SIFS 20us + 512 byte beacon tranmitted by 1Mbps (3906us) */
783 #define BCN_TX_ESTIMATE_TIME (4096 + 20)
784 	struct bss_info_ext_bss *hdr = (struct bss_info_ext_bss *)data;
785 	int ext_bss_idx, tsf_offset;
786 
787 	ext_bss_idx = mvif->omac_idx - EXT_BSSID_START;
788 	if (ext_bss_idx < 0)
789 		return;
790 
791 	hdr->tag = cpu_to_le16(BSS_INFO_EXT_BSS);
792 	hdr->len = cpu_to_le16(sizeof(struct bss_info_ext_bss));
793 	tsf_offset = ext_bss_idx * BCN_TX_ESTIMATE_TIME;
794 	hdr->mbss_tsf_offset = cpu_to_le32(tsf_offset);
795 }
796 
mt7615_mcu_set_bss_info(struct mt7615_dev * dev,struct ieee80211_vif * vif,int en)797 int mt7615_mcu_set_bss_info(struct mt7615_dev *dev,
798 			    struct ieee80211_vif *vif, int en)
799 {
800 	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
801 	struct req_hdr {
802 		u8 bss_idx;
803 		u8 rsv0;
804 		__le16 tlv_num;
805 		u8 is_tlv_append;
806 		u8 rsv1[3];
807 	} __packed;
808 	int len = sizeof(struct req_hdr) + sizeof(struct bss_info_basic);
809 	int ret, i, features = BIT(BSS_INFO_BASIC), ntlv = 1;
810 	u32 conn_type = 0, net_type = NETWORK_INFRA;
811 	u8 *buf, *data, tx_wlan_idx = 0;
812 	struct req_hdr *hdr;
813 
814 	if (en) {
815 		len += sizeof(struct bss_info_omac);
816 		features |= BIT(BSS_INFO_OMAC);
817 		if (mvif->omac_idx > EXT_BSSID_START) {
818 			len += sizeof(struct bss_info_ext_bss);
819 			features |= BIT(BSS_INFO_EXT_BSS);
820 			ntlv++;
821 		}
822 		ntlv++;
823 	}
824 
825 	switch (vif->type) {
826 	case NL80211_IFTYPE_AP:
827 	case NL80211_IFTYPE_MESH_POINT:
828 		tx_wlan_idx = mvif->sta.wcid.idx;
829 		conn_type = CONNECTION_INFRA_AP;
830 		break;
831 	case NL80211_IFTYPE_STATION: {
832 		/* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
833 		if (en) {
834 			struct ieee80211_sta *sta;
835 			struct mt7615_sta *msta;
836 
837 			rcu_read_lock();
838 			sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
839 			if (!sta) {
840 				rcu_read_unlock();
841 				return -EINVAL;
842 			}
843 
844 			msta = (struct mt7615_sta *)sta->drv_priv;
845 			tx_wlan_idx = msta->wcid.idx;
846 			rcu_read_unlock();
847 		}
848 		conn_type = CONNECTION_INFRA_STA;
849 		break;
850 	}
851 	default:
852 		WARN_ON(1);
853 		break;
854 	}
855 
856 	buf = kzalloc(len, GFP_KERNEL);
857 	if (!buf)
858 		return -ENOMEM;
859 
860 	hdr = (struct req_hdr *)buf;
861 	hdr->bss_idx = mvif->idx;
862 	hdr->tlv_num = cpu_to_le16(ntlv);
863 	hdr->is_tlv_append = 1;
864 
865 	data = buf + sizeof(*hdr);
866 	for (i = 0; i < BSS_INFO_MAX_NUM; i++) {
867 		int tag = ffs(features & BIT(i)) - 1;
868 
869 		switch (tag) {
870 		case BSS_INFO_OMAC:
871 			mt7615_mcu_bss_info_omac_header(mvif, data,
872 							conn_type);
873 			data += sizeof(struct bss_info_omac);
874 			break;
875 		case BSS_INFO_BASIC:
876 			mt7615_mcu_bss_info_basic_header(vif, data, net_type,
877 							 tx_wlan_idx, en);
878 			data += sizeof(struct bss_info_basic);
879 			break;
880 		case BSS_INFO_EXT_BSS:
881 			mt7615_mcu_bss_info_ext_header(mvif, data);
882 			data += sizeof(struct bss_info_ext_bss);
883 			break;
884 		default:
885 			break;
886 		}
887 	}
888 
889 	ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_BSS_INFO_UPDATE,
890 				  buf, len, true);
891 	kfree(buf);
892 
893 	return ret;
894 }
895 
896 static int
mt7615_mcu_add_wtbl_bmc(struct mt7615_dev * dev,struct mt7615_vif * mvif)897 mt7615_mcu_add_wtbl_bmc(struct mt7615_dev *dev,
898 			struct mt7615_vif *mvif)
899 {
900 	struct {
901 		struct wtbl_req_hdr hdr;
902 		struct wtbl_generic g_wtbl;
903 		struct wtbl_rx rx_wtbl;
904 	} req = {
905 		.hdr = {
906 			.wlan_idx = mvif->sta.wcid.idx,
907 			.operation = WTBL_RESET_AND_SET,
908 			.tlv_num = cpu_to_le16(2),
909 		},
910 		.g_wtbl = {
911 			.tag = cpu_to_le16(WTBL_GENERIC),
912 			.len = cpu_to_le16(sizeof(struct wtbl_generic)),
913 			.muar_idx = 0xe,
914 		},
915 		.rx_wtbl = {
916 			.tag = cpu_to_le16(WTBL_RX),
917 			.len = cpu_to_le16(sizeof(struct wtbl_rx)),
918 			.rca1 = 1,
919 			.rca2 = 1,
920 			.rv = 1,
921 		},
922 	};
923 	eth_broadcast_addr(req.g_wtbl.peer_addr);
924 
925 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
926 				   &req, sizeof(req), true);
927 }
928 
mt7615_mcu_wtbl_bmc(struct mt7615_dev * dev,struct ieee80211_vif * vif,bool enable)929 int mt7615_mcu_wtbl_bmc(struct mt7615_dev *dev,
930 			struct ieee80211_vif *vif, bool enable)
931 {
932 	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
933 
934 	if (!enable) {
935 		struct wtbl_req_hdr req = {
936 			.wlan_idx = mvif->sta.wcid.idx,
937 			.operation = WTBL_RESET_AND_SET,
938 		};
939 
940 		return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
941 					   &req, sizeof(req), true);
942 	}
943 
944 	return mt7615_mcu_add_wtbl_bmc(dev, mvif);
945 }
946 
mt7615_mcu_add_wtbl(struct mt7615_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)947 int mt7615_mcu_add_wtbl(struct mt7615_dev *dev, struct ieee80211_vif *vif,
948 			struct ieee80211_sta *sta)
949 {
950 	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
951 	struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
952 	struct {
953 		struct wtbl_req_hdr hdr;
954 		struct wtbl_generic g_wtbl;
955 		struct wtbl_rx rx_wtbl;
956 	} req = {
957 		.hdr = {
958 			.wlan_idx = msta->wcid.idx,
959 			.operation = WTBL_RESET_AND_SET,
960 			.tlv_num = cpu_to_le16(2),
961 		},
962 		.g_wtbl = {
963 			.tag = cpu_to_le16(WTBL_GENERIC),
964 			.len = cpu_to_le16(sizeof(struct wtbl_generic)),
965 			.muar_idx = mvif->omac_idx,
966 			.qos = sta->wme,
967 			.partial_aid = cpu_to_le16(sta->aid),
968 		},
969 		.rx_wtbl = {
970 			.tag = cpu_to_le16(WTBL_RX),
971 			.len = cpu_to_le16(sizeof(struct wtbl_rx)),
972 			.rca1 = vif->type != NL80211_IFTYPE_AP,
973 			.rca2 = 1,
974 			.rv = 1,
975 		},
976 	};
977 	memcpy(req.g_wtbl.peer_addr, sta->addr, ETH_ALEN);
978 
979 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
980 				   &req, sizeof(req), true);
981 }
982 
mt7615_mcu_del_wtbl(struct mt7615_dev * dev,struct ieee80211_sta * sta)983 int mt7615_mcu_del_wtbl(struct mt7615_dev *dev,
984 			struct ieee80211_sta *sta)
985 {
986 	struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
987 	struct wtbl_req_hdr req = {
988 		.wlan_idx = msta->wcid.idx,
989 		.operation = WTBL_RESET_AND_SET,
990 	};
991 
992 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
993 				   &req, sizeof(req), true);
994 }
995 
mt7615_mcu_del_wtbl_all(struct mt7615_dev * dev)996 int mt7615_mcu_del_wtbl_all(struct mt7615_dev *dev)
997 {
998 	struct wtbl_req_hdr req = {
999 		.operation = WTBL_RESET_ALL,
1000 	};
1001 
1002 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
1003 				   &req, sizeof(req), true);
1004 }
1005 
mt7615_mcu_set_sta_rec_bmc(struct mt7615_dev * dev,struct ieee80211_vif * vif,bool en)1006 int mt7615_mcu_set_sta_rec_bmc(struct mt7615_dev *dev,
1007 			       struct ieee80211_vif *vif, bool en)
1008 {
1009 	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
1010 	struct {
1011 		struct sta_req_hdr hdr;
1012 		struct sta_rec_basic basic;
1013 	} req = {
1014 		.hdr = {
1015 			.bss_idx = mvif->idx,
1016 			.wlan_idx = mvif->sta.wcid.idx,
1017 			.tlv_num = cpu_to_le16(1),
1018 			.is_tlv_append = 1,
1019 			.muar_idx = mvif->omac_idx,
1020 		},
1021 		.basic = {
1022 			.tag = cpu_to_le16(STA_REC_BASIC),
1023 			.len = cpu_to_le16(sizeof(struct sta_rec_basic)),
1024 			.conn_type = cpu_to_le32(CONNECTION_INFRA_BC),
1025 		},
1026 	};
1027 	eth_broadcast_addr(req.basic.peer_addr);
1028 
1029 	if (en) {
1030 		req.basic.conn_state = CONN_STATE_PORT_SECURE;
1031 		req.basic.extra_info = cpu_to_le16(EXTRA_INFO_VER |
1032 						   EXTRA_INFO_NEW);
1033 	} else {
1034 		req.basic.conn_state = CONN_STATE_DISCONNECT;
1035 		req.basic.extra_info = cpu_to_le16(EXTRA_INFO_VER);
1036 	}
1037 
1038 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
1039 				   &req, sizeof(req), true);
1040 }
1041 
mt7615_mcu_set_sta_rec(struct mt7615_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool en)1042 int mt7615_mcu_set_sta_rec(struct mt7615_dev *dev, struct ieee80211_vif *vif,
1043 			   struct ieee80211_sta *sta, bool en)
1044 {
1045 	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
1046 	struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1047 
1048 	struct {
1049 		struct sta_req_hdr hdr;
1050 		struct sta_rec_basic basic;
1051 	} req = {
1052 		.hdr = {
1053 			.bss_idx = mvif->idx,
1054 			.wlan_idx = msta->wcid.idx,
1055 			.tlv_num = cpu_to_le16(1),
1056 			.is_tlv_append = 1,
1057 			.muar_idx = mvif->omac_idx,
1058 		},
1059 		.basic = {
1060 			.tag = cpu_to_le16(STA_REC_BASIC),
1061 			.len = cpu_to_le16(sizeof(struct sta_rec_basic)),
1062 			.qos = sta->wme,
1063 			.aid = cpu_to_le16(sta->aid),
1064 		},
1065 	};
1066 	memcpy(req.basic.peer_addr, sta->addr, ETH_ALEN);
1067 
1068 	switch (vif->type) {
1069 	case NL80211_IFTYPE_AP:
1070 	case NL80211_IFTYPE_MESH_POINT:
1071 		req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
1072 		break;
1073 	case NL80211_IFTYPE_STATION:
1074 		req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
1075 		break;
1076 	default:
1077 		WARN_ON(1);
1078 		break;
1079 	};
1080 
1081 	if (en) {
1082 		req.basic.conn_state = CONN_STATE_PORT_SECURE;
1083 		req.basic.extra_info = cpu_to_le16(EXTRA_INFO_VER |
1084 						   EXTRA_INFO_NEW);
1085 	} else {
1086 		req.basic.conn_state = CONN_STATE_DISCONNECT;
1087 		req.basic.extra_info = cpu_to_le16(EXTRA_INFO_VER);
1088 	}
1089 
1090 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
1091 				   &req, sizeof(req), true);
1092 }
1093 
mt7615_mcu_set_bcn(struct mt7615_dev * dev,struct ieee80211_vif * vif,int en)1094 int mt7615_mcu_set_bcn(struct mt7615_dev *dev, struct ieee80211_vif *vif,
1095 		       int en)
1096 {
1097 	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
1098 	struct mt76_wcid *wcid = &dev->mt76.global_wcid;
1099 	struct ieee80211_mutable_offsets offs;
1100 	struct req {
1101 		u8 omac_idx;
1102 		u8 enable;
1103 		u8 wlan_idx;
1104 		u8 band_idx;
1105 		u8 pkt_type;
1106 		u8 need_pre_tbtt_int;
1107 		__le16 csa_ie_pos;
1108 		__le16 pkt_len;
1109 		__le16 tim_ie_pos;
1110 		u8 pkt[512];
1111 		u8 csa_cnt;
1112 		/* bss color change */
1113 		u8 bcc_cnt;
1114 		__le16 bcc_ie_pos;
1115 	} __packed req = {
1116 		.omac_idx = mvif->omac_idx,
1117 		.enable = en,
1118 		.wlan_idx = wcid->idx,
1119 		.band_idx = mvif->band_idx,
1120 	};
1121 	struct sk_buff *skb;
1122 
1123 	skb = ieee80211_beacon_get_template(mt76_hw(dev), vif, &offs);
1124 	if (!skb)
1125 		return -EINVAL;
1126 
1127 	if (skb->len > 512 - MT_TXD_SIZE) {
1128 		dev_err(dev->mt76.dev, "Bcn size limit exceed\n");
1129 		dev_kfree_skb(skb);
1130 		return -EINVAL;
1131 	}
1132 
1133 	mt7615_mac_write_txwi(dev, (__le32 *)(req.pkt), skb, wcid, NULL,
1134 			      0, NULL);
1135 	memcpy(req.pkt + MT_TXD_SIZE, skb->data, skb->len);
1136 	req.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
1137 	req.tim_ie_pos = cpu_to_le16(MT_TXD_SIZE + offs.tim_offset);
1138 	if (offs.csa_counter_offs[0]) {
1139 		u16 csa_offs;
1140 
1141 		csa_offs = MT_TXD_SIZE + offs.csa_counter_offs[0] - 4;
1142 		req.csa_ie_pos = cpu_to_le16(csa_offs);
1143 		req.csa_cnt = skb->data[offs.csa_counter_offs[0]];
1144 	}
1145 	dev_kfree_skb(skb);
1146 
1147 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_BCN_OFFLOAD,
1148 				   &req, sizeof(req), true);
1149 }
1150 
mt7615_mcu_set_tx_power(struct mt7615_dev * dev)1151 int mt7615_mcu_set_tx_power(struct mt7615_dev *dev)
1152 {
1153 	int i, ret, n_chains = hweight8(dev->mt76.antenna_mask);
1154 	struct cfg80211_chan_def *chandef = &dev->mt76.chandef;
1155 	int freq = chandef->center_freq1, len, target_chains;
1156 	u8 *req, *data, *eep = (u8 *)dev->mt76.eeprom.data;
1157 	enum nl80211_band band = chandef->chan->band;
1158 	struct ieee80211_hw *hw = mt76_hw(dev);
1159 	struct {
1160 		u8 center_chan;
1161 		u8 dbdc_idx;
1162 		u8 band;
1163 		u8 rsv;
1164 	} __packed req_hdr = {
1165 		.center_chan = ieee80211_frequency_to_channel(freq),
1166 		.band = band,
1167 	};
1168 	s8 tx_power;
1169 
1170 	len = sizeof(req_hdr) + __MT_EE_MAX - MT_EE_NIC_CONF_0;
1171 	req = kzalloc(len, GFP_KERNEL);
1172 	if (!req)
1173 		return -ENOMEM;
1174 
1175 	memcpy(req, &req_hdr, sizeof(req_hdr));
1176 	data = req + sizeof(req_hdr);
1177 	memcpy(data, eep + MT_EE_NIC_CONF_0,
1178 	       __MT_EE_MAX - MT_EE_NIC_CONF_0);
1179 
1180 	tx_power = hw->conf.power_level * 2;
1181 	switch (n_chains) {
1182 	case 4:
1183 		tx_power -= 12;
1184 		break;
1185 	case 3:
1186 		tx_power -= 8;
1187 		break;
1188 	case 2:
1189 		tx_power -= 6;
1190 		break;
1191 	default:
1192 		break;
1193 	}
1194 	tx_power = max_t(s8, tx_power, 0);
1195 	dev->mt76.txpower_cur = tx_power;
1196 
1197 	target_chains = mt7615_ext_pa_enabled(dev, band) ? 1 : n_chains;
1198 	for (i = 0; i < target_chains; i++) {
1199 		int index = -MT_EE_NIC_CONF_0;
1200 
1201 		ret = mt7615_eeprom_get_power_index(dev, chandef->chan, i);
1202 		if (ret < 0)
1203 			goto out;
1204 
1205 		index += ret;
1206 		data[index] = min_t(u8, data[index], tx_power);
1207 	}
1208 
1209 	ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_TX_POWER_CTRL,
1210 				  req, len, true);
1211 out:
1212 	kfree(req);
1213 
1214 	return ret;
1215 }
1216 
mt7615_mcu_rdd_cmd(struct mt7615_dev * dev,enum mt7615_rdd_cmd cmd,u8 index,u8 rx_sel,u8 val)1217 int mt7615_mcu_rdd_cmd(struct mt7615_dev *dev,
1218 		       enum mt7615_rdd_cmd cmd, u8 index,
1219 		       u8 rx_sel, u8 val)
1220 {
1221 	struct {
1222 		u8 ctrl;
1223 		u8 rdd_idx;
1224 		u8 rdd_rx_sel;
1225 		u8 val;
1226 		u8 rsv[4];
1227 	} req = {
1228 		.ctrl = cmd,
1229 		.rdd_idx = index,
1230 		.rdd_rx_sel = rx_sel,
1231 		.val = val,
1232 	};
1233 
1234 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_CTRL,
1235 				   &req, sizeof(req), true);
1236 }
1237 
mt7615_mcu_rdd_send_pattern(struct mt7615_dev * dev)1238 int mt7615_mcu_rdd_send_pattern(struct mt7615_dev *dev)
1239 {
1240 	struct {
1241 		u8 pulse_num;
1242 		u8 rsv[3];
1243 		struct {
1244 			u32 start_time;
1245 			u16 width;
1246 			s16 power;
1247 		} pattern[32];
1248 	} req = {
1249 		.pulse_num = dev->radar_pattern.n_pulses,
1250 	};
1251 	u32 start_time = ktime_to_ms(ktime_get_boottime());
1252 	int i;
1253 
1254 	if (dev->radar_pattern.n_pulses > ARRAY_SIZE(req.pattern))
1255 		return -EINVAL;
1256 
1257 	/* TODO: add some noise here */
1258 	for (i = 0; i < dev->radar_pattern.n_pulses; i++) {
1259 		req.pattern[i].width = dev->radar_pattern.width;
1260 		req.pattern[i].power = dev->radar_pattern.power;
1261 		req.pattern[i].start_time = start_time +
1262 					    i * dev->radar_pattern.period;
1263 	}
1264 
1265 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_PATTERN,
1266 				   &req, sizeof(req), false);
1267 }
1268 
mt7615_mcu_set_channel(struct mt7615_dev * dev)1269 int mt7615_mcu_set_channel(struct mt7615_dev *dev)
1270 {
1271 	struct cfg80211_chan_def *chandef = &dev->mt76.chandef;
1272 	int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2;
1273 	struct {
1274 		u8 control_chan;
1275 		u8 center_chan;
1276 		u8 bw;
1277 		u8 tx_streams;
1278 		u8 rx_streams_mask;
1279 		u8 switch_reason;
1280 		u8 band_idx;
1281 		/* for 80+80 only */
1282 		u8 center_chan2;
1283 		__le16 cac_case;
1284 		u8 channel_band;
1285 		u8 rsv0;
1286 		__le32 outband_freq;
1287 		u8 txpower_drop;
1288 		u8 rsv1[3];
1289 		u8 txpower_sku[53];
1290 		u8 rsv2[3];
1291 	} req = {
1292 		.control_chan = chandef->chan->hw_value,
1293 		.center_chan = ieee80211_frequency_to_channel(freq1),
1294 		.tx_streams = (dev->mt76.chainmask >> 8) & 0xf,
1295 		.rx_streams_mask = dev->mt76.antenna_mask,
1296 		.center_chan2 = ieee80211_frequency_to_channel(freq2),
1297 	};
1298 	int ret;
1299 
1300 	if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) &&
1301 	    chandef->chan->dfs_state != NL80211_DFS_AVAILABLE)
1302 		req.switch_reason = CH_SWITCH_DFS;
1303 	else
1304 		req.switch_reason = CH_SWITCH_NORMAL;
1305 
1306 	switch (dev->mt76.chandef.width) {
1307 	case NL80211_CHAN_WIDTH_40:
1308 		req.bw = CMD_CBW_40MHZ;
1309 		break;
1310 	case NL80211_CHAN_WIDTH_80:
1311 		req.bw = CMD_CBW_80MHZ;
1312 		break;
1313 	case NL80211_CHAN_WIDTH_80P80:
1314 		req.bw = CMD_CBW_8080MHZ;
1315 		break;
1316 	case NL80211_CHAN_WIDTH_160:
1317 		req.bw = CMD_CBW_160MHZ;
1318 		break;
1319 	case NL80211_CHAN_WIDTH_5:
1320 		req.bw = CMD_CBW_5MHZ;
1321 		break;
1322 	case NL80211_CHAN_WIDTH_10:
1323 		req.bw = CMD_CBW_10MHZ;
1324 		break;
1325 	case NL80211_CHAN_WIDTH_20_NOHT:
1326 	case NL80211_CHAN_WIDTH_20:
1327 	default:
1328 		req.bw = CMD_CBW_20MHZ;
1329 		break;
1330 	}
1331 	memset(req.txpower_sku, 0x3f, 49);
1332 
1333 	ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_CHANNEL_SWITCH,
1334 				  &req, sizeof(req), true);
1335 	if (ret)
1336 		return ret;
1337 
1338 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RX_PATH,
1339 				   &req, sizeof(req), true);
1340 }
1341 
mt7615_mcu_set_ht_cap(struct mt7615_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1342 int mt7615_mcu_set_ht_cap(struct mt7615_dev *dev, struct ieee80211_vif *vif,
1343 			  struct ieee80211_sta *sta)
1344 {
1345 	struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1346 	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
1347 	struct wtbl_req_hdr *wtbl_hdr;
1348 	struct sta_req_hdr *sta_hdr;
1349 	struct wtbl_raw *wtbl_raw;
1350 	struct sta_rec_ht *sta_ht;
1351 	struct wtbl_ht *wtbl_ht;
1352 	int buf_len, ret, ntlv = 2;
1353 	u32 msk, val = 0;
1354 	u8 *buf;
1355 
1356 	buf = kzalloc(MT7615_WTBL_UPDATE_MAX_SIZE, GFP_KERNEL);
1357 	if (!buf)
1358 		return -ENOMEM;
1359 
1360 	wtbl_hdr = (struct wtbl_req_hdr *)buf;
1361 	wtbl_hdr->wlan_idx = msta->wcid.idx;
1362 	wtbl_hdr->operation = WTBL_SET;
1363 	buf_len = sizeof(*wtbl_hdr);
1364 
1365 	/* ht basic */
1366 	wtbl_ht = (struct wtbl_ht *)(buf + buf_len);
1367 	wtbl_ht->tag = cpu_to_le16(WTBL_HT);
1368 	wtbl_ht->len = cpu_to_le16(sizeof(*wtbl_ht));
1369 	wtbl_ht->ht = 1;
1370 	wtbl_ht->ldpc = sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING;
1371 	wtbl_ht->af = sta->ht_cap.ampdu_factor;
1372 	wtbl_ht->mm = sta->ht_cap.ampdu_density;
1373 	buf_len += sizeof(*wtbl_ht);
1374 
1375 	if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
1376 		val |= MT_WTBL_W5_SHORT_GI_20;
1377 	if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
1378 		val |= MT_WTBL_W5_SHORT_GI_40;
1379 
1380 	/* vht basic */
1381 	if (sta->vht_cap.vht_supported) {
1382 		struct wtbl_vht *wtbl_vht;
1383 
1384 		wtbl_vht = (struct wtbl_vht *)(buf + buf_len);
1385 		buf_len += sizeof(*wtbl_vht);
1386 		wtbl_vht->tag = cpu_to_le16(WTBL_VHT);
1387 		wtbl_vht->len = cpu_to_le16(sizeof(*wtbl_vht));
1388 		wtbl_vht->ldpc = sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC;
1389 		wtbl_vht->vht = 1;
1390 		ntlv++;
1391 
1392 		if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
1393 			val |= MT_WTBL_W5_SHORT_GI_80;
1394 		if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
1395 			val |= MT_WTBL_W5_SHORT_GI_160;
1396 	}
1397 
1398 	/* smps */
1399 	if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC) {
1400 		struct wtbl_smps *wtbl_smps;
1401 
1402 		wtbl_smps = (struct wtbl_smps *)(buf + buf_len);
1403 		buf_len += sizeof(*wtbl_smps);
1404 		wtbl_smps->tag = cpu_to_le16(WTBL_SMPS);
1405 		wtbl_smps->len = cpu_to_le16(sizeof(*wtbl_smps));
1406 		wtbl_smps->smps = 1;
1407 		ntlv++;
1408 	}
1409 
1410 	/* sgi */
1411 	msk = MT_WTBL_W5_SHORT_GI_20 | MT_WTBL_W5_SHORT_GI_40 |
1412 	      MT_WTBL_W5_SHORT_GI_80 | MT_WTBL_W5_SHORT_GI_160;
1413 
1414 	wtbl_raw = (struct wtbl_raw *)(buf + buf_len);
1415 	buf_len += sizeof(*wtbl_raw);
1416 	wtbl_raw->tag = cpu_to_le16(WTBL_RAW_DATA);
1417 	wtbl_raw->len = cpu_to_le16(sizeof(*wtbl_raw));
1418 	wtbl_raw->wtbl_idx = 1;
1419 	wtbl_raw->dw = 5;
1420 	wtbl_raw->msk = cpu_to_le32(~msk);
1421 	wtbl_raw->val = cpu_to_le32(val);
1422 
1423 	wtbl_hdr->tlv_num = cpu_to_le16(ntlv);
1424 	ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
1425 				  buf, buf_len, true);
1426 	if (ret)
1427 		goto out;
1428 
1429 	memset(buf, 0, MT7615_WTBL_UPDATE_MAX_SIZE);
1430 
1431 	sta_hdr = (struct sta_req_hdr *)buf;
1432 	sta_hdr->bss_idx = mvif->idx;
1433 	sta_hdr->wlan_idx = msta->wcid.idx;
1434 	sta_hdr->is_tlv_append = 1;
1435 	ntlv = sta->vht_cap.vht_supported ? 2 : 1;
1436 	sta_hdr->tlv_num = cpu_to_le16(ntlv);
1437 	sta_hdr->muar_idx = mvif->omac_idx;
1438 	buf_len = sizeof(*sta_hdr);
1439 
1440 	sta_ht = (struct sta_rec_ht *)(buf + buf_len);
1441 	sta_ht->tag = cpu_to_le16(STA_REC_HT);
1442 	sta_ht->len = cpu_to_le16(sizeof(*sta_ht));
1443 	sta_ht->ht_cap = cpu_to_le16(sta->ht_cap.cap);
1444 	buf_len += sizeof(*sta_ht);
1445 
1446 	if (sta->vht_cap.vht_supported) {
1447 		struct sta_rec_vht *sta_vht;
1448 
1449 		sta_vht = (struct sta_rec_vht *)(buf + buf_len);
1450 		buf_len += sizeof(*sta_vht);
1451 		sta_vht->tag = cpu_to_le16(STA_REC_VHT);
1452 		sta_vht->len = cpu_to_le16(sizeof(*sta_vht));
1453 		sta_vht->vht_cap = cpu_to_le32(sta->vht_cap.cap);
1454 		sta_vht->vht_rx_mcs_map = sta->vht_cap.vht_mcs.rx_mcs_map;
1455 		sta_vht->vht_tx_mcs_map = sta->vht_cap.vht_mcs.tx_mcs_map;
1456 	}
1457 
1458 	ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
1459 				  buf, buf_len, true);
1460 out:
1461 	kfree(buf);
1462 
1463 	return ret;
1464 }
1465 
mt7615_mcu_set_tx_ba(struct mt7615_dev * dev,struct ieee80211_ampdu_params * params,bool add)1466 int mt7615_mcu_set_tx_ba(struct mt7615_dev *dev,
1467 			 struct ieee80211_ampdu_params *params,
1468 			 bool add)
1469 {
1470 	struct mt7615_sta *msta = (struct mt7615_sta *)params->sta->drv_priv;
1471 	struct mt7615_vif *mvif = msta->vif;
1472 	struct {
1473 		struct wtbl_req_hdr hdr;
1474 		struct wtbl_ba ba;
1475 	} wtbl_req = {
1476 		.hdr = {
1477 			.wlan_idx = msta->wcid.idx,
1478 			.operation = WTBL_SET,
1479 			.tlv_num = cpu_to_le16(1),
1480 		},
1481 		.ba = {
1482 			.tag = cpu_to_le16(WTBL_BA),
1483 			.len = cpu_to_le16(sizeof(struct wtbl_ba)),
1484 			.tid = params->tid,
1485 			.ba_type = MT_BA_TYPE_ORIGINATOR,
1486 			.sn = add ? cpu_to_le16(params->ssn) : 0,
1487 			.ba_en = add,
1488 		},
1489 	};
1490 	struct {
1491 		struct sta_req_hdr hdr;
1492 		struct sta_rec_ba ba;
1493 	} sta_req = {
1494 		.hdr = {
1495 			.bss_idx = mvif->idx,
1496 			.wlan_idx = msta->wcid.idx,
1497 			.tlv_num = cpu_to_le16(1),
1498 			.is_tlv_append = 1,
1499 			.muar_idx = mvif->omac_idx,
1500 		},
1501 		.ba = {
1502 			.tag = cpu_to_le16(STA_REC_BA),
1503 			.len = cpu_to_le16(sizeof(struct sta_rec_ba)),
1504 			.tid = params->tid,
1505 			.ba_type = MT_BA_TYPE_ORIGINATOR,
1506 			.amsdu = params->amsdu,
1507 			.ba_en = add << params->tid,
1508 			.ssn = cpu_to_le16(params->ssn),
1509 			.winsize = cpu_to_le16(params->buf_size),
1510 		},
1511 	};
1512 	int ret;
1513 
1514 	if (add) {
1515 		u8 idx, ba_range[] = { 4, 8, 12, 24, 36, 48, 54, 64 };
1516 
1517 		for (idx = 7; idx > 0; idx--) {
1518 			if (params->buf_size >= ba_range[idx])
1519 				break;
1520 		}
1521 
1522 		wtbl_req.ba.ba_winsize_idx = idx;
1523 	}
1524 
1525 	ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
1526 				  &wtbl_req, sizeof(wtbl_req), true);
1527 	if (ret)
1528 		return ret;
1529 
1530 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
1531 				   &sta_req, sizeof(sta_req), true);
1532 }
1533 
mt7615_mcu_set_rx_ba(struct mt7615_dev * dev,struct ieee80211_ampdu_params * params,bool add)1534 int mt7615_mcu_set_rx_ba(struct mt7615_dev *dev,
1535 			 struct ieee80211_ampdu_params *params,
1536 			 bool add)
1537 {
1538 	struct mt7615_sta *msta = (struct mt7615_sta *)params->sta->drv_priv;
1539 	struct mt7615_vif *mvif = msta->vif;
1540 	struct {
1541 		struct wtbl_req_hdr hdr;
1542 		struct wtbl_ba ba;
1543 	} wtbl_req = {
1544 		.hdr = {
1545 			.wlan_idx = msta->wcid.idx,
1546 			.operation = WTBL_SET,
1547 			.tlv_num = cpu_to_le16(1),
1548 		},
1549 		.ba = {
1550 			.tag = cpu_to_le16(WTBL_BA),
1551 			.len = cpu_to_le16(sizeof(struct wtbl_ba)),
1552 			.tid = params->tid,
1553 			.ba_type = MT_BA_TYPE_RECIPIENT,
1554 			.rst_ba_tid = params->tid,
1555 			.rst_ba_sel = RST_BA_MAC_TID_MATCH,
1556 			.rst_ba_sb = 1,
1557 		},
1558 	};
1559 	struct {
1560 		struct sta_req_hdr hdr;
1561 		struct sta_rec_ba ba;
1562 	} sta_req = {
1563 		.hdr = {
1564 			.bss_idx = mvif->idx,
1565 			.wlan_idx = msta->wcid.idx,
1566 			.tlv_num = cpu_to_le16(1),
1567 			.is_tlv_append = 1,
1568 			.muar_idx = mvif->omac_idx,
1569 		},
1570 		.ba = {
1571 			.tag = cpu_to_le16(STA_REC_BA),
1572 			.len = cpu_to_le16(sizeof(struct sta_rec_ba)),
1573 			.tid = params->tid,
1574 			.ba_type = MT_BA_TYPE_RECIPIENT,
1575 			.amsdu = params->amsdu,
1576 			.ba_en = add << params->tid,
1577 			.ssn = cpu_to_le16(params->ssn),
1578 			.winsize = cpu_to_le16(params->buf_size),
1579 		},
1580 	};
1581 	int ret;
1582 
1583 	memcpy(wtbl_req.ba.peer_addr, params->sta->addr, ETH_ALEN);
1584 
1585 	ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
1586 				  &sta_req, sizeof(sta_req), true);
1587 	if (ret || !add)
1588 		return ret;
1589 
1590 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
1591 				   &wtbl_req, sizeof(wtbl_req), true);
1592 }
1593 
mt7615_mcu_get_temperature(struct mt7615_dev * dev,int index)1594 int mt7615_mcu_get_temperature(struct mt7615_dev *dev, int index)
1595 {
1596 	struct {
1597 		u8 action;
1598 		u8 rsv[3];
1599 	} req = {
1600 		.action = index,
1601 	};
1602 
1603 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_GET_TEMP, &req,
1604 				   sizeof(req), true);
1605 }
1606