xref: /linux/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c (revision 9410645520e9b820069761f3450ef6661418e279)
1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3 
4 #include <linux/firmware.h>
5 #include "mt76_connac2_mac.h"
6 #include "mt76_connac_mcu.h"
7 
mt76_connac_mcu_start_firmware(struct mt76_dev * dev,u32 addr,u32 option)8 int mt76_connac_mcu_start_firmware(struct mt76_dev *dev, u32 addr, u32 option)
9 {
10 	struct {
11 		__le32 option;
12 		__le32 addr;
13 	} req = {
14 		.option = cpu_to_le32(option),
15 		.addr = cpu_to_le32(addr),
16 	};
17 
18 	return mt76_mcu_send_msg(dev, MCU_CMD(FW_START_REQ), &req,
19 				 sizeof(req), true);
20 }
21 EXPORT_SYMBOL_GPL(mt76_connac_mcu_start_firmware);
22 
mt76_connac_mcu_patch_sem_ctrl(struct mt76_dev * dev,bool get)23 int mt76_connac_mcu_patch_sem_ctrl(struct mt76_dev *dev, bool get)
24 {
25 	u32 op = get ? PATCH_SEM_GET : PATCH_SEM_RELEASE;
26 	struct {
27 		__le32 op;
28 	} req = {
29 		.op = cpu_to_le32(op),
30 	};
31 
32 	return mt76_mcu_send_msg(dev, MCU_CMD(PATCH_SEM_CONTROL),
33 				 &req, sizeof(req), true);
34 }
35 EXPORT_SYMBOL_GPL(mt76_connac_mcu_patch_sem_ctrl);
36 
mt76_connac_mcu_start_patch(struct mt76_dev * dev)37 int mt76_connac_mcu_start_patch(struct mt76_dev *dev)
38 {
39 	struct {
40 		u8 check_crc;
41 		u8 reserved[3];
42 	} req = {
43 		.check_crc = 0,
44 	};
45 
46 	return mt76_mcu_send_msg(dev, MCU_CMD(PATCH_FINISH_REQ),
47 				 &req, sizeof(req), true);
48 }
49 EXPORT_SYMBOL_GPL(mt76_connac_mcu_start_patch);
50 
51 #define MCU_PATCH_ADDRESS	0x200000
52 
mt76_connac_mcu_init_download(struct mt76_dev * dev,u32 addr,u32 len,u32 mode)53 int mt76_connac_mcu_init_download(struct mt76_dev *dev, u32 addr, u32 len,
54 				  u32 mode)
55 {
56 	struct {
57 		__le32 addr;
58 		__le32 len;
59 		__le32 mode;
60 	} req = {
61 		.addr = cpu_to_le32(addr),
62 		.len = cpu_to_le32(len),
63 		.mode = cpu_to_le32(mode),
64 	};
65 	int cmd;
66 
67 	if ((!is_connac_v1(dev) && addr == MCU_PATCH_ADDRESS) ||
68 	    (is_mt7921(dev) && addr == 0x900000) ||
69 	    (is_mt7925(dev) && (addr == 0x900000 || addr == 0xe0002800)) ||
70 	    (is_mt7996(dev) && addr == 0x900000) ||
71 	    (is_mt7992(dev) && addr == 0x900000))
72 		cmd = MCU_CMD(PATCH_START_REQ);
73 	else
74 		cmd = MCU_CMD(TARGET_ADDRESS_LEN_REQ);
75 
76 	return mt76_mcu_send_msg(dev, cmd, &req, sizeof(req), true);
77 }
78 EXPORT_SYMBOL_GPL(mt76_connac_mcu_init_download);
79 
mt76_connac_mcu_set_channel_domain(struct mt76_phy * phy)80 int mt76_connac_mcu_set_channel_domain(struct mt76_phy *phy)
81 {
82 	int len, i, n_max_channels, n_2ch = 0, n_5ch = 0, n_6ch = 0;
83 	struct mt76_connac_mcu_channel_domain {
84 		u8 alpha2[4]; /* regulatory_request.alpha2 */
85 		u8 bw_2g; /* BW_20_40M		0
86 			   * BW_20M		1
87 			   * BW_20_40_80M	2
88 			   * BW_20_40_80_160M	3
89 			   * BW_20_40_80_8080M	4
90 			   */
91 		u8 bw_5g;
92 		u8 bw_6g;
93 		u8 pad;
94 		u8 n_2ch;
95 		u8 n_5ch;
96 		u8 n_6ch;
97 		u8 pad2;
98 	} __packed hdr = {
99 		.bw_2g = 0,
100 		.bw_5g = 3, /* BW_20_40_80_160M */
101 		.bw_6g = 3,
102 	};
103 	struct mt76_connac_mcu_chan {
104 		__le16 hw_value;
105 		__le16 pad;
106 		__le32 flags;
107 	} __packed channel;
108 	struct mt76_dev *dev = phy->dev;
109 	struct ieee80211_channel *chan;
110 	struct sk_buff *skb;
111 
112 	n_max_channels = phy->sband_2g.sband.n_channels +
113 			 phy->sband_5g.sband.n_channels +
114 			 phy->sband_6g.sband.n_channels;
115 	len = sizeof(hdr) + n_max_channels * sizeof(channel);
116 
117 	skb = mt76_mcu_msg_alloc(dev, NULL, len);
118 	if (!skb)
119 		return -ENOMEM;
120 
121 	skb_reserve(skb, sizeof(hdr));
122 
123 	for (i = 0; i < phy->sband_2g.sband.n_channels; i++) {
124 		chan = &phy->sband_2g.sband.channels[i];
125 		if (chan->flags & IEEE80211_CHAN_DISABLED)
126 			continue;
127 
128 		channel.hw_value = cpu_to_le16(chan->hw_value);
129 		channel.flags = cpu_to_le32(chan->flags);
130 		channel.pad = 0;
131 
132 		skb_put_data(skb, &channel, sizeof(channel));
133 		n_2ch++;
134 	}
135 	for (i = 0; i < phy->sband_5g.sband.n_channels; i++) {
136 		chan = &phy->sband_5g.sband.channels[i];
137 		if (chan->flags & IEEE80211_CHAN_DISABLED)
138 			continue;
139 
140 		channel.hw_value = cpu_to_le16(chan->hw_value);
141 		channel.flags = cpu_to_le32(chan->flags);
142 		channel.pad = 0;
143 
144 		skb_put_data(skb, &channel, sizeof(channel));
145 		n_5ch++;
146 	}
147 	for (i = 0; i < phy->sband_6g.sband.n_channels; i++) {
148 		chan = &phy->sband_6g.sband.channels[i];
149 		if (chan->flags & IEEE80211_CHAN_DISABLED)
150 			continue;
151 
152 		channel.hw_value = cpu_to_le16(chan->hw_value);
153 		channel.flags = cpu_to_le32(chan->flags);
154 		channel.pad = 0;
155 
156 		skb_put_data(skb, &channel, sizeof(channel));
157 		n_6ch++;
158 	}
159 
160 	BUILD_BUG_ON(sizeof(dev->alpha2) > sizeof(hdr.alpha2));
161 	memcpy(hdr.alpha2, dev->alpha2, sizeof(dev->alpha2));
162 	hdr.n_2ch = n_2ch;
163 	hdr.n_5ch = n_5ch;
164 	hdr.n_6ch = n_6ch;
165 
166 	memcpy(__skb_push(skb, sizeof(hdr)), &hdr, sizeof(hdr));
167 
168 	return mt76_mcu_skb_send_msg(dev, skb, MCU_CE_CMD(SET_CHAN_DOMAIN),
169 				     false);
170 }
171 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_channel_domain);
172 
mt76_connac_mcu_set_mac_enable(struct mt76_dev * dev,int band,bool enable,bool hdr_trans)173 int mt76_connac_mcu_set_mac_enable(struct mt76_dev *dev, int band, bool enable,
174 				   bool hdr_trans)
175 {
176 	struct {
177 		u8 enable;
178 		u8 band;
179 		u8 rsv[2];
180 	} __packed req_mac = {
181 		.enable = enable,
182 		.band = band,
183 	};
184 
185 	return mt76_mcu_send_msg(dev, MCU_EXT_CMD(MAC_INIT_CTRL), &req_mac,
186 				 sizeof(req_mac), true);
187 }
188 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_mac_enable);
189 
mt76_connac_mcu_set_vif_ps(struct mt76_dev * dev,struct ieee80211_vif * vif)190 int mt76_connac_mcu_set_vif_ps(struct mt76_dev *dev, struct ieee80211_vif *vif)
191 {
192 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
193 	struct {
194 		u8 bss_idx;
195 		u8 ps_state; /* 0: device awake
196 			      * 1: static power save
197 			      * 2: dynamic power saving
198 			      */
199 	} req = {
200 		.bss_idx = mvif->idx,
201 		.ps_state = vif->cfg.ps ? 2 : 0,
202 	};
203 
204 	if (vif->type != NL80211_IFTYPE_STATION)
205 		return -EOPNOTSUPP;
206 
207 	return mt76_mcu_send_msg(dev, MCU_CE_CMD(SET_PS_PROFILE),
208 				 &req, sizeof(req), false);
209 }
210 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_vif_ps);
211 
mt76_connac_mcu_set_rts_thresh(struct mt76_dev * dev,u32 val,u8 band)212 int mt76_connac_mcu_set_rts_thresh(struct mt76_dev *dev, u32 val, u8 band)
213 {
214 	struct {
215 		u8 prot_idx;
216 		u8 band;
217 		u8 rsv[2];
218 		__le32 len_thresh;
219 		__le32 pkt_thresh;
220 	} __packed req = {
221 		.prot_idx = 1,
222 		.band = band,
223 		.len_thresh = cpu_to_le32(val),
224 		.pkt_thresh = cpu_to_le32(0x2),
225 	};
226 
227 	return mt76_mcu_send_msg(dev, MCU_EXT_CMD(PROTECT_CTRL), &req,
228 				 sizeof(req), true);
229 }
230 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_rts_thresh);
231 
mt76_connac_mcu_beacon_loss_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)232 void mt76_connac_mcu_beacon_loss_iter(void *priv, u8 *mac,
233 				      struct ieee80211_vif *vif)
234 {
235 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
236 	struct mt76_connac_beacon_loss_event *event = priv;
237 
238 	if (mvif->idx != event->bss_idx)
239 		return;
240 
241 	if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
242 		return;
243 
244 	ieee80211_beacon_loss(vif);
245 }
246 EXPORT_SYMBOL_GPL(mt76_connac_mcu_beacon_loss_iter);
247 
248 struct tlv *
mt76_connac_mcu_add_nested_tlv(struct sk_buff * skb,int tag,int len,void * sta_ntlv,void * sta_wtbl)249 mt76_connac_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len,
250 			       void *sta_ntlv, void *sta_wtbl)
251 {
252 	struct sta_ntlv_hdr *ntlv_hdr = sta_ntlv;
253 	struct tlv *sta_hdr = sta_wtbl;
254 	struct tlv *ptlv, tlv = {
255 		.tag = cpu_to_le16(tag),
256 		.len = cpu_to_le16(len),
257 	};
258 	u16 ntlv;
259 
260 	ptlv = skb_put_zero(skb, len);
261 	memcpy(ptlv, &tlv, sizeof(tlv));
262 
263 	ntlv = le16_to_cpu(ntlv_hdr->tlv_num);
264 	ntlv_hdr->tlv_num = cpu_to_le16(ntlv + 1);
265 
266 	if (sta_hdr) {
267 		len += le16_to_cpu(sta_hdr->len);
268 		sta_hdr->len = cpu_to_le16(len);
269 	}
270 
271 	return ptlv;
272 }
273 EXPORT_SYMBOL_GPL(mt76_connac_mcu_add_nested_tlv);
274 
275 struct sk_buff *
__mt76_connac_mcu_alloc_sta_req(struct mt76_dev * dev,struct mt76_vif * mvif,struct mt76_wcid * wcid,int len)276 __mt76_connac_mcu_alloc_sta_req(struct mt76_dev *dev, struct mt76_vif *mvif,
277 				struct mt76_wcid *wcid, int len)
278 {
279 	struct sta_req_hdr hdr = {
280 		.bss_idx = mvif->idx,
281 		.muar_idx = wcid ? mvif->omac_idx : 0,
282 		.is_tlv_append = 1,
283 	};
284 	struct sk_buff *skb;
285 
286 	if (wcid && !wcid->sta && !wcid->sta_disabled)
287 		hdr.muar_idx = 0xe;
288 
289 	mt76_connac_mcu_get_wlan_idx(dev, wcid, &hdr.wlan_idx_lo,
290 				     &hdr.wlan_idx_hi);
291 	skb = mt76_mcu_msg_alloc(dev, NULL, len);
292 	if (!skb)
293 		return ERR_PTR(-ENOMEM);
294 
295 	skb_put_data(skb, &hdr, sizeof(hdr));
296 
297 	return skb;
298 }
299 EXPORT_SYMBOL_GPL(__mt76_connac_mcu_alloc_sta_req);
300 
301 struct wtbl_req_hdr *
mt76_connac_mcu_alloc_wtbl_req(struct mt76_dev * dev,struct mt76_wcid * wcid,int cmd,void * sta_wtbl,struct sk_buff ** skb)302 mt76_connac_mcu_alloc_wtbl_req(struct mt76_dev *dev, struct mt76_wcid *wcid,
303 			       int cmd, void *sta_wtbl, struct sk_buff **skb)
304 {
305 	struct tlv *sta_hdr = sta_wtbl;
306 	struct wtbl_req_hdr hdr = {
307 		.operation = cmd,
308 	};
309 	struct sk_buff *nskb = *skb;
310 
311 	mt76_connac_mcu_get_wlan_idx(dev, wcid, &hdr.wlan_idx_lo,
312 				     &hdr.wlan_idx_hi);
313 	if (!nskb) {
314 		nskb = mt76_mcu_msg_alloc(dev, NULL,
315 					  MT76_CONNAC_WTBL_UPDATE_MAX_SIZE);
316 		if (!nskb)
317 			return ERR_PTR(-ENOMEM);
318 
319 		*skb = nskb;
320 	}
321 
322 	if (sta_hdr)
323 		le16_add_cpu(&sta_hdr->len, sizeof(hdr));
324 
325 	return skb_put_data(nskb, &hdr, sizeof(hdr));
326 }
327 EXPORT_SYMBOL_GPL(mt76_connac_mcu_alloc_wtbl_req);
328 
mt76_connac_mcu_bss_omac_tlv(struct sk_buff * skb,struct ieee80211_vif * vif)329 void mt76_connac_mcu_bss_omac_tlv(struct sk_buff *skb,
330 				  struct ieee80211_vif *vif)
331 {
332 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
333 	u8 omac_idx = mvif->omac_idx;
334 	struct bss_info_omac *omac;
335 	struct tlv *tlv;
336 	u32 type = 0;
337 
338 	switch (vif->type) {
339 	case NL80211_IFTYPE_MONITOR:
340 	case NL80211_IFTYPE_MESH_POINT:
341 	case NL80211_IFTYPE_AP:
342 		if (vif->p2p)
343 			type = CONNECTION_P2P_GO;
344 		else
345 			type = CONNECTION_INFRA_AP;
346 		break;
347 	case NL80211_IFTYPE_STATION:
348 		if (vif->p2p)
349 			type = CONNECTION_P2P_GC;
350 		else
351 			type = CONNECTION_INFRA_STA;
352 		break;
353 	case NL80211_IFTYPE_ADHOC:
354 		type = CONNECTION_IBSS_ADHOC;
355 		break;
356 	default:
357 		WARN_ON(1);
358 		break;
359 	}
360 
361 	tlv = mt76_connac_mcu_add_tlv(skb, BSS_INFO_OMAC, sizeof(*omac));
362 
363 	omac = (struct bss_info_omac *)tlv;
364 	omac->conn_type = cpu_to_le32(type);
365 	omac->omac_idx = mvif->omac_idx;
366 	omac->band_idx = mvif->band_idx;
367 	omac->hw_bss_idx = omac_idx > EXT_BSSID_START ? HW_BSSID_0 : omac_idx;
368 }
369 EXPORT_SYMBOL_GPL(mt76_connac_mcu_bss_omac_tlv);
370 
mt76_connac_mcu_sta_basic_tlv(struct mt76_dev * dev,struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_link_sta * link_sta,int conn_state,bool newly)371 void mt76_connac_mcu_sta_basic_tlv(struct mt76_dev *dev, struct sk_buff *skb,
372 				   struct ieee80211_vif *vif,
373 				   struct ieee80211_link_sta *link_sta,
374 				   int conn_state, bool newly)
375 {
376 	struct sta_rec_basic *basic;
377 	struct tlv *tlv;
378 	int conn_type;
379 
380 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic));
381 
382 	basic = (struct sta_rec_basic *)tlv;
383 	basic->extra_info = cpu_to_le16(EXTRA_INFO_VER);
384 
385 	if (newly && conn_state != CONN_STATE_DISCONNECT)
386 		basic->extra_info |= cpu_to_le16(EXTRA_INFO_NEW);
387 	basic->conn_state = conn_state;
388 
389 	if (!link_sta) {
390 		basic->conn_type = cpu_to_le32(CONNECTION_INFRA_BC);
391 
392 		if (vif->type == NL80211_IFTYPE_STATION &&
393 		    !is_zero_ether_addr(vif->bss_conf.bssid)) {
394 			memcpy(basic->peer_addr, vif->bss_conf.bssid, ETH_ALEN);
395 			basic->aid = cpu_to_le16(vif->cfg.aid);
396 		} else {
397 			eth_broadcast_addr(basic->peer_addr);
398 		}
399 		return;
400 	}
401 
402 	switch (vif->type) {
403 	case NL80211_IFTYPE_MESH_POINT:
404 	case NL80211_IFTYPE_AP:
405 		if (vif->p2p && !is_mt7921(dev))
406 			conn_type = CONNECTION_P2P_GC;
407 		else
408 			conn_type = CONNECTION_INFRA_STA;
409 		basic->conn_type = cpu_to_le32(conn_type);
410 		basic->aid = cpu_to_le16(link_sta->sta->aid);
411 		break;
412 	case NL80211_IFTYPE_STATION:
413 		if (vif->p2p && !is_mt7921(dev))
414 			conn_type = CONNECTION_P2P_GO;
415 		else
416 			conn_type = CONNECTION_INFRA_AP;
417 		basic->conn_type = cpu_to_le32(conn_type);
418 		basic->aid = cpu_to_le16(vif->cfg.aid);
419 		break;
420 	case NL80211_IFTYPE_ADHOC:
421 		basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
422 		basic->aid = cpu_to_le16(link_sta->sta->aid);
423 		break;
424 	default:
425 		WARN_ON(1);
426 		break;
427 	}
428 
429 	memcpy(basic->peer_addr, link_sta->addr, ETH_ALEN);
430 	basic->qos = link_sta->sta->wme;
431 }
432 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_basic_tlv);
433 
mt76_connac_mcu_sta_uapsd(struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_sta * sta)434 void mt76_connac_mcu_sta_uapsd(struct sk_buff *skb, struct ieee80211_vif *vif,
435 			       struct ieee80211_sta *sta)
436 {
437 	struct sta_rec_uapsd *uapsd;
438 	struct tlv *tlv;
439 
440 	if (vif->type != NL80211_IFTYPE_AP || !sta->wme)
441 		return;
442 
443 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_APPS, sizeof(*uapsd));
444 	uapsd = (struct sta_rec_uapsd *)tlv;
445 
446 	if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) {
447 		uapsd->dac_map |= BIT(3);
448 		uapsd->tac_map |= BIT(3);
449 	}
450 	if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) {
451 		uapsd->dac_map |= BIT(2);
452 		uapsd->tac_map |= BIT(2);
453 	}
454 	if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) {
455 		uapsd->dac_map |= BIT(1);
456 		uapsd->tac_map |= BIT(1);
457 	}
458 	if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) {
459 		uapsd->dac_map |= BIT(0);
460 		uapsd->tac_map |= BIT(0);
461 	}
462 	uapsd->max_sp = sta->max_sp;
463 }
464 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_uapsd);
465 
mt76_connac_mcu_wtbl_hdr_trans_tlv(struct sk_buff * skb,struct ieee80211_vif * vif,struct mt76_wcid * wcid,void * sta_wtbl,void * wtbl_tlv)466 void mt76_connac_mcu_wtbl_hdr_trans_tlv(struct sk_buff *skb,
467 					struct ieee80211_vif *vif,
468 					struct mt76_wcid *wcid,
469 					void *sta_wtbl, void *wtbl_tlv)
470 {
471 	struct wtbl_hdr_trans *htr;
472 	struct tlv *tlv;
473 
474 	tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_HDR_TRANS,
475 					     sizeof(*htr),
476 					     wtbl_tlv, sta_wtbl);
477 	htr = (struct wtbl_hdr_trans *)tlv;
478 	htr->no_rx_trans = true;
479 
480 	if (vif->type == NL80211_IFTYPE_STATION)
481 		htr->to_ds = true;
482 	else
483 		htr->from_ds = true;
484 
485 	if (!wcid)
486 		return;
487 
488 	htr->no_rx_trans = !test_bit(MT_WCID_FLAG_HDR_TRANS, &wcid->flags);
489 	if (test_bit(MT_WCID_FLAG_4ADDR, &wcid->flags)) {
490 		htr->to_ds = true;
491 		htr->from_ds = true;
492 	}
493 }
494 EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_hdr_trans_tlv);
495 
mt76_connac_mcu_sta_update_hdr_trans(struct mt76_dev * dev,struct ieee80211_vif * vif,struct mt76_wcid * wcid,int cmd)496 int mt76_connac_mcu_sta_update_hdr_trans(struct mt76_dev *dev,
497 					 struct ieee80211_vif *vif,
498 					 struct mt76_wcid *wcid, int cmd)
499 {
500 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
501 	struct wtbl_req_hdr *wtbl_hdr;
502 	struct tlv *sta_wtbl;
503 	struct sk_buff *skb;
504 
505 	skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid);
506 	if (IS_ERR(skb))
507 		return PTR_ERR(skb);
508 
509 	sta_wtbl = mt76_connac_mcu_add_tlv(skb, STA_REC_WTBL,
510 					   sizeof(struct tlv));
511 
512 	wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, wcid, WTBL_SET,
513 						  sta_wtbl, &skb);
514 	if (IS_ERR(wtbl_hdr))
515 		return PTR_ERR(wtbl_hdr);
516 
517 	mt76_connac_mcu_wtbl_hdr_trans_tlv(skb, vif, wcid, sta_wtbl, wtbl_hdr);
518 
519 	return mt76_mcu_skb_send_msg(dev, skb, cmd, true);
520 }
521 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_update_hdr_trans);
522 
mt76_connac_mcu_wtbl_update_hdr_trans(struct mt76_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)523 int mt76_connac_mcu_wtbl_update_hdr_trans(struct mt76_dev *dev,
524 					  struct ieee80211_vif *vif,
525 					  struct ieee80211_sta *sta)
526 {
527 	struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv;
528 	struct wtbl_req_hdr *wtbl_hdr;
529 	struct sk_buff *skb = NULL;
530 
531 	wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, wcid, WTBL_SET, NULL,
532 						  &skb);
533 	if (IS_ERR(wtbl_hdr))
534 		return PTR_ERR(wtbl_hdr);
535 
536 	mt76_connac_mcu_wtbl_hdr_trans_tlv(skb, vif, wcid, NULL, wtbl_hdr);
537 
538 	return mt76_mcu_skb_send_msg(dev, skb, MCU_EXT_CMD(WTBL_UPDATE), true);
539 }
540 EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_update_hdr_trans);
541 
mt76_connac_mcu_wtbl_generic_tlv(struct mt76_dev * dev,struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_sta * sta,void * sta_wtbl,void * wtbl_tlv)542 void mt76_connac_mcu_wtbl_generic_tlv(struct mt76_dev *dev,
543 				      struct sk_buff *skb,
544 				      struct ieee80211_vif *vif,
545 				      struct ieee80211_sta *sta,
546 				      void *sta_wtbl, void *wtbl_tlv)
547 {
548 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
549 	struct wtbl_generic *generic;
550 	struct wtbl_rx *rx;
551 	struct wtbl_spe *spe;
552 	struct tlv *tlv;
553 
554 	tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_GENERIC,
555 					     sizeof(*generic),
556 					     wtbl_tlv, sta_wtbl);
557 
558 	generic = (struct wtbl_generic *)tlv;
559 
560 	if (sta) {
561 		if (vif->type == NL80211_IFTYPE_STATION)
562 			generic->partial_aid = cpu_to_le16(vif->cfg.aid);
563 		else
564 			generic->partial_aid = cpu_to_le16(sta->aid);
565 		memcpy(generic->peer_addr, sta->addr, ETH_ALEN);
566 		generic->muar_idx = mvif->omac_idx;
567 		generic->qos = sta->wme;
568 	} else {
569 		if (!is_connac_v1(dev) && vif->type == NL80211_IFTYPE_STATION)
570 			memcpy(generic->peer_addr, vif->bss_conf.bssid,
571 			       ETH_ALEN);
572 		else
573 			eth_broadcast_addr(generic->peer_addr);
574 
575 		generic->muar_idx = 0xe;
576 	}
577 
578 	tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_RX, sizeof(*rx),
579 					     wtbl_tlv, sta_wtbl);
580 
581 	rx = (struct wtbl_rx *)tlv;
582 	rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1;
583 	rx->rca2 = 1;
584 	rx->rv = 1;
585 
586 	if (!is_connac_v1(dev))
587 		return;
588 
589 	tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_SPE, sizeof(*spe),
590 					     wtbl_tlv, sta_wtbl);
591 	spe = (struct wtbl_spe *)tlv;
592 	spe->spe_idx = 24;
593 }
594 EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_generic_tlv);
595 
596 static void
mt76_connac_mcu_sta_amsdu_tlv(struct sk_buff * skb,struct ieee80211_sta * sta,struct ieee80211_vif * vif)597 mt76_connac_mcu_sta_amsdu_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
598 			      struct ieee80211_vif *vif)
599 {
600 	struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv;
601 	struct sta_rec_amsdu *amsdu;
602 	struct tlv *tlv;
603 
604 	if (vif->type != NL80211_IFTYPE_AP &&
605 	    vif->type != NL80211_IFTYPE_STATION)
606 		return;
607 
608 	if (!sta->deflink.agg.max_amsdu_len)
609 		return;
610 
611 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HW_AMSDU, sizeof(*amsdu));
612 	amsdu = (struct sta_rec_amsdu *)tlv;
613 	amsdu->max_amsdu_num = 8;
614 	amsdu->amsdu_en = true;
615 	amsdu->max_mpdu_size = sta->deflink.agg.max_amsdu_len >=
616 			       IEEE80211_MAX_MPDU_LEN_VHT_7991;
617 
618 	wcid->amsdu = true;
619 }
620 
621 #define HE_PHY(p, c)	u8_get_bits(c, IEEE80211_HE_PHY_##p)
622 #define HE_MAC(m, c)	u8_get_bits(c, IEEE80211_HE_MAC_##m)
623 static void
mt76_connac_mcu_sta_he_tlv(struct sk_buff * skb,struct ieee80211_sta * sta)624 mt76_connac_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
625 {
626 	struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;
627 	struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
628 	struct sta_rec_he *he;
629 	struct tlv *tlv;
630 	u32 cap = 0;
631 
632 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE, sizeof(*he));
633 
634 	he = (struct sta_rec_he *)tlv;
635 
636 	if (elem->mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE)
637 		cap |= STA_REC_HE_CAP_HTC;
638 
639 	if (elem->mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR)
640 		cap |= STA_REC_HE_CAP_BSR;
641 
642 	if (elem->mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL)
643 		cap |= STA_REC_HE_CAP_OM;
644 
645 	if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU)
646 		cap |= STA_REC_HE_CAP_AMSDU_IN_AMPDU;
647 
648 	if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR)
649 		cap |= STA_REC_HE_CAP_BQR;
650 
651 	if (elem->phy_cap_info[0] &
652 	    (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G |
653 	     IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G))
654 		cap |= STA_REC_HE_CAP_BW20_RU242_SUPPORT;
655 
656 	if (elem->phy_cap_info[1] &
657 	    IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD)
658 		cap |= STA_REC_HE_CAP_LDPC;
659 
660 	if (elem->phy_cap_info[1] &
661 	    IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US)
662 		cap |= STA_REC_HE_CAP_SU_PPDU_1LTF_8US_GI;
663 
664 	if (elem->phy_cap_info[2] &
665 	    IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US)
666 		cap |= STA_REC_HE_CAP_NDP_4LTF_3DOT2MS_GI;
667 
668 	if (elem->phy_cap_info[2] &
669 	    IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ)
670 		cap |= STA_REC_HE_CAP_LE_EQ_80M_TX_STBC;
671 
672 	if (elem->phy_cap_info[2] &
673 	    IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ)
674 		cap |= STA_REC_HE_CAP_LE_EQ_80M_RX_STBC;
675 
676 	if (elem->phy_cap_info[6] &
677 	    IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE)
678 		cap |= STA_REC_HE_CAP_PARTIAL_BW_EXT_RANGE;
679 
680 	if (elem->phy_cap_info[7] &
681 	    IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI)
682 		cap |= STA_REC_HE_CAP_SU_MU_PPDU_4LTF_8US_GI;
683 
684 	if (elem->phy_cap_info[7] &
685 	    IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ)
686 		cap |= STA_REC_HE_CAP_GT_80M_TX_STBC;
687 
688 	if (elem->phy_cap_info[7] &
689 	    IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ)
690 		cap |= STA_REC_HE_CAP_GT_80M_RX_STBC;
691 
692 	if (elem->phy_cap_info[8] &
693 	    IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI)
694 		cap |= STA_REC_HE_CAP_ER_SU_PPDU_4LTF_8US_GI;
695 
696 	if (elem->phy_cap_info[8] &
697 	    IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI)
698 		cap |= STA_REC_HE_CAP_ER_SU_PPDU_1LTF_8US_GI;
699 
700 	if (elem->phy_cap_info[9] &
701 	    IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK)
702 		cap |= STA_REC_HE_CAP_TRIG_CQI_FK;
703 
704 	if (elem->phy_cap_info[9] &
705 	    IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU)
706 		cap |= STA_REC_HE_CAP_TX_1024QAM_UNDER_RU242;
707 
708 	if (elem->phy_cap_info[9] &
709 	    IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU)
710 		cap |= STA_REC_HE_CAP_RX_1024QAM_UNDER_RU242;
711 
712 	he->he_cap = cpu_to_le32(cap);
713 
714 	switch (sta->deflink.bandwidth) {
715 	case IEEE80211_STA_RX_BW_160:
716 		if (elem->phy_cap_info[0] &
717 		    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
718 			he->max_nss_mcs[CMD_HE_MCS_BW8080] =
719 				he_cap->he_mcs_nss_supp.rx_mcs_80p80;
720 
721 		he->max_nss_mcs[CMD_HE_MCS_BW160] =
722 				he_cap->he_mcs_nss_supp.rx_mcs_160;
723 		fallthrough;
724 	default:
725 		he->max_nss_mcs[CMD_HE_MCS_BW80] =
726 				he_cap->he_mcs_nss_supp.rx_mcs_80;
727 		break;
728 	}
729 
730 	he->t_frame_dur =
731 		HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]);
732 	he->max_ampdu_exp =
733 		HE_MAC(CAP3_MAX_AMPDU_LEN_EXP_MASK, elem->mac_cap_info[3]);
734 
735 	he->bw_set =
736 		HE_PHY(CAP0_CHANNEL_WIDTH_SET_MASK, elem->phy_cap_info[0]);
737 	he->device_class =
738 		HE_PHY(CAP1_DEVICE_CLASS_A, elem->phy_cap_info[1]);
739 	he->punc_pream_rx =
740 		HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]);
741 
742 	he->dcm_tx_mode =
743 		HE_PHY(CAP3_DCM_MAX_CONST_TX_MASK, elem->phy_cap_info[3]);
744 	he->dcm_tx_max_nss =
745 		HE_PHY(CAP3_DCM_MAX_TX_NSS_2, elem->phy_cap_info[3]);
746 	he->dcm_rx_mode =
747 		HE_PHY(CAP3_DCM_MAX_CONST_RX_MASK, elem->phy_cap_info[3]);
748 	he->dcm_rx_max_nss =
749 		HE_PHY(CAP3_DCM_MAX_RX_NSS_2, elem->phy_cap_info[3]);
750 	he->dcm_rx_max_nss =
751 		HE_PHY(CAP8_DCM_MAX_RU_MASK, elem->phy_cap_info[8]);
752 
753 	he->pkt_ext = 2;
754 }
755 
756 void
mt76_connac_mcu_sta_he_tlv_v2(struct sk_buff * skb,struct ieee80211_sta * sta)757 mt76_connac_mcu_sta_he_tlv_v2(struct sk_buff *skb, struct ieee80211_sta *sta)
758 {
759 	struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;
760 	struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
761 	struct sta_rec_he_v2 *he;
762 	struct tlv *tlv;
763 
764 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_V2, sizeof(*he));
765 
766 	he = (struct sta_rec_he_v2 *)tlv;
767 	memcpy(he->he_phy_cap, elem->phy_cap_info, sizeof(he->he_phy_cap));
768 	memcpy(he->he_mac_cap, elem->mac_cap_info, sizeof(he->he_mac_cap));
769 
770 	switch (sta->deflink.bandwidth) {
771 	case IEEE80211_STA_RX_BW_160:
772 		if (elem->phy_cap_info[0] &
773 		    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
774 			he->max_nss_mcs[CMD_HE_MCS_BW8080] =
775 				he_cap->he_mcs_nss_supp.rx_mcs_80p80;
776 
777 		he->max_nss_mcs[CMD_HE_MCS_BW160] =
778 				he_cap->he_mcs_nss_supp.rx_mcs_160;
779 		fallthrough;
780 	default:
781 		he->max_nss_mcs[CMD_HE_MCS_BW80] =
782 				he_cap->he_mcs_nss_supp.rx_mcs_80;
783 		break;
784 	}
785 
786 	he->pkt_ext = IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US;
787 }
788 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_he_tlv_v2);
789 
790 u8
mt76_connac_get_phy_mode_v2(struct mt76_phy * mphy,struct ieee80211_vif * vif,enum nl80211_band band,struct ieee80211_link_sta * link_sta)791 mt76_connac_get_phy_mode_v2(struct mt76_phy *mphy, struct ieee80211_vif *vif,
792 			    enum nl80211_band band,
793 			    struct ieee80211_link_sta *link_sta)
794 {
795 	struct ieee80211_sta_ht_cap *ht_cap;
796 	struct ieee80211_sta_vht_cap *vht_cap;
797 	const struct ieee80211_sta_he_cap *he_cap;
798 	const struct ieee80211_sta_eht_cap *eht_cap;
799 	u8 mode = 0;
800 
801 	if (link_sta) {
802 		ht_cap = &link_sta->ht_cap;
803 		vht_cap = &link_sta->vht_cap;
804 		he_cap = &link_sta->he_cap;
805 		eht_cap = &link_sta->eht_cap;
806 	} else {
807 		struct ieee80211_supported_band *sband;
808 
809 		sband = mphy->hw->wiphy->bands[band];
810 		ht_cap = &sband->ht_cap;
811 		vht_cap = &sband->vht_cap;
812 		he_cap = ieee80211_get_he_iftype_cap(sband, vif->type);
813 		eht_cap = ieee80211_get_eht_iftype_cap(sband, vif->type);
814 	}
815 
816 	if (band == NL80211_BAND_2GHZ) {
817 		mode |= PHY_TYPE_BIT_HR_DSSS | PHY_TYPE_BIT_ERP;
818 
819 		if (ht_cap->ht_supported)
820 			mode |= PHY_TYPE_BIT_HT;
821 
822 		if (he_cap && he_cap->has_he)
823 			mode |= PHY_TYPE_BIT_HE;
824 
825 		if (eht_cap && eht_cap->has_eht)
826 			mode |= PHY_TYPE_BIT_BE;
827 	} else if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ) {
828 		mode |= PHY_TYPE_BIT_OFDM;
829 
830 		if (ht_cap->ht_supported)
831 			mode |= PHY_TYPE_BIT_HT;
832 
833 		if (vht_cap->vht_supported)
834 			mode |= PHY_TYPE_BIT_VHT;
835 
836 		if (he_cap && he_cap->has_he)
837 			mode |= PHY_TYPE_BIT_HE;
838 
839 		if (eht_cap && eht_cap->has_eht)
840 			mode |= PHY_TYPE_BIT_BE;
841 	}
842 
843 	return mode;
844 }
845 EXPORT_SYMBOL_GPL(mt76_connac_get_phy_mode_v2);
846 
mt76_connac_mcu_sta_tlv(struct mt76_phy * mphy,struct sk_buff * skb,struct ieee80211_sta * sta,struct ieee80211_vif * vif,u8 rcpi,u8 sta_state)847 void mt76_connac_mcu_sta_tlv(struct mt76_phy *mphy, struct sk_buff *skb,
848 			     struct ieee80211_sta *sta,
849 			     struct ieee80211_vif *vif,
850 			     u8 rcpi, u8 sta_state)
851 {
852 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
853 	struct cfg80211_chan_def *chandef = mvif->ctx ?
854 					    &mvif->ctx->def : &mphy->chandef;
855 	enum nl80211_band band = chandef->chan->band;
856 	struct mt76_dev *dev = mphy->dev;
857 	struct sta_rec_ra_info *ra_info;
858 	struct sta_rec_state *state;
859 	struct sta_rec_phy *phy;
860 	struct tlv *tlv;
861 	u16 supp_rates;
862 
863 	/* starec ht */
864 	if (sta->deflink.ht_cap.ht_supported) {
865 		struct sta_rec_ht *ht;
866 
867 		tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
868 		ht = (struct sta_rec_ht *)tlv;
869 		ht->ht_cap = cpu_to_le16(sta->deflink.ht_cap.cap);
870 	}
871 
872 	/* starec vht */
873 	if (sta->deflink.vht_cap.vht_supported) {
874 		struct sta_rec_vht *vht;
875 		int len;
876 
877 		len = is_mt7921(dev) ? sizeof(*vht) : sizeof(*vht) - 4;
878 		tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_VHT, len);
879 		vht = (struct sta_rec_vht *)tlv;
880 		vht->vht_cap = cpu_to_le32(sta->deflink.vht_cap.cap);
881 		vht->vht_rx_mcs_map = sta->deflink.vht_cap.vht_mcs.rx_mcs_map;
882 		vht->vht_tx_mcs_map = sta->deflink.vht_cap.vht_mcs.tx_mcs_map;
883 	}
884 
885 	/* starec uapsd */
886 	mt76_connac_mcu_sta_uapsd(skb, vif, sta);
887 
888 	if (!is_mt7921(dev))
889 		return;
890 
891 	if (sta->deflink.ht_cap.ht_supported || sta->deflink.he_cap.has_he)
892 		mt76_connac_mcu_sta_amsdu_tlv(skb, sta, vif);
893 
894 	/* starec he */
895 	if (sta->deflink.he_cap.has_he) {
896 		mt76_connac_mcu_sta_he_tlv(skb, sta);
897 		mt76_connac_mcu_sta_he_tlv_v2(skb, sta);
898 		if (band == NL80211_BAND_6GHZ &&
899 		    sta_state == MT76_STA_INFO_STATE_ASSOC) {
900 			struct sta_rec_he_6g_capa *he_6g_capa;
901 
902 			tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_6G,
903 						      sizeof(*he_6g_capa));
904 			he_6g_capa = (struct sta_rec_he_6g_capa *)tlv;
905 			he_6g_capa->capa = sta->deflink.he_6ghz_capa.capa;
906 		}
907 	}
908 
909 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_PHY, sizeof(*phy));
910 	phy = (struct sta_rec_phy *)tlv;
911 	phy->phy_type = mt76_connac_get_phy_mode_v2(mphy, vif, band,
912 						    &sta->deflink);
913 	phy->basic_rate = cpu_to_le16((u16)vif->bss_conf.basic_rates);
914 	phy->rcpi = rcpi;
915 	phy->ampdu = FIELD_PREP(IEEE80211_HT_AMPDU_PARM_FACTOR,
916 				sta->deflink.ht_cap.ampdu_factor) |
917 		     FIELD_PREP(IEEE80211_HT_AMPDU_PARM_DENSITY,
918 				sta->deflink.ht_cap.ampdu_density);
919 
920 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra_info));
921 	ra_info = (struct sta_rec_ra_info *)tlv;
922 
923 	supp_rates = sta->deflink.supp_rates[band];
924 	if (band == NL80211_BAND_2GHZ)
925 		supp_rates = FIELD_PREP(RA_LEGACY_OFDM, supp_rates >> 4) |
926 			     FIELD_PREP(RA_LEGACY_CCK, supp_rates & 0xf);
927 	else
928 		supp_rates = FIELD_PREP(RA_LEGACY_OFDM, supp_rates);
929 
930 	ra_info->legacy = cpu_to_le16(supp_rates);
931 
932 	if (sta->deflink.ht_cap.ht_supported)
933 		memcpy(ra_info->rx_mcs_bitmask,
934 		       sta->deflink.ht_cap.mcs.rx_mask,
935 		       HT_MCS_MASK_NUM);
936 
937 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_STATE, sizeof(*state));
938 	state = (struct sta_rec_state *)tlv;
939 	state->state = sta_state;
940 
941 	if (sta->deflink.vht_cap.vht_supported) {
942 		state->vht_opmode = sta->deflink.bandwidth;
943 		state->vht_opmode |= (sta->deflink.rx_nss - 1) <<
944 			IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT;
945 	}
946 }
947 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_tlv);
948 
mt76_connac_mcu_wtbl_smps_tlv(struct sk_buff * skb,struct ieee80211_sta * sta,void * sta_wtbl,void * wtbl_tlv)949 void mt76_connac_mcu_wtbl_smps_tlv(struct sk_buff *skb,
950 				   struct ieee80211_sta *sta,
951 				   void *sta_wtbl, void *wtbl_tlv)
952 {
953 	struct wtbl_smps *smps;
954 	struct tlv *tlv;
955 
956 	tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps),
957 					     wtbl_tlv, sta_wtbl);
958 	smps = (struct wtbl_smps *)tlv;
959 	smps->smps = (sta->deflink.smps_mode == IEEE80211_SMPS_DYNAMIC);
960 }
961 EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_smps_tlv);
962 
mt76_connac_mcu_wtbl_ht_tlv(struct mt76_dev * dev,struct sk_buff * skb,struct ieee80211_sta * sta,void * sta_wtbl,void * wtbl_tlv,bool ht_ldpc,bool vht_ldpc)963 void mt76_connac_mcu_wtbl_ht_tlv(struct mt76_dev *dev, struct sk_buff *skb,
964 				 struct ieee80211_sta *sta, void *sta_wtbl,
965 				 void *wtbl_tlv, bool ht_ldpc, bool vht_ldpc)
966 {
967 	struct wtbl_ht *ht = NULL;
968 	struct tlv *tlv;
969 	u32 flags = 0;
970 
971 	if (sta->deflink.ht_cap.ht_supported || sta->deflink.he_6ghz_capa.capa) {
972 		tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht),
973 						     wtbl_tlv, sta_wtbl);
974 		ht = (struct wtbl_ht *)tlv;
975 		ht->ldpc = ht_ldpc &&
976 			   !!(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING);
977 
978 		if (sta->deflink.ht_cap.ht_supported) {
979 			ht->af = sta->deflink.ht_cap.ampdu_factor;
980 			ht->mm = sta->deflink.ht_cap.ampdu_density;
981 		} else {
982 			ht->af = le16_get_bits(sta->deflink.he_6ghz_capa.capa,
983 					       IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
984 			ht->mm = le16_get_bits(sta->deflink.he_6ghz_capa.capa,
985 					       IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START);
986 		}
987 
988 		ht->ht = true;
989 	}
990 
991 	if (sta->deflink.vht_cap.vht_supported || sta->deflink.he_6ghz_capa.capa) {
992 		struct wtbl_vht *vht;
993 		u8 af;
994 
995 		tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_VHT,
996 						     sizeof(*vht), wtbl_tlv,
997 						     sta_wtbl);
998 		vht = (struct wtbl_vht *)tlv;
999 		vht->ldpc = vht_ldpc &&
1000 			    !!(sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC);
1001 		vht->vht = true;
1002 
1003 		af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
1004 			       sta->deflink.vht_cap.cap);
1005 		if (ht)
1006 			ht->af = max(ht->af, af);
1007 	}
1008 
1009 	mt76_connac_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_tlv);
1010 
1011 	if (is_connac_v1(dev) && sta->deflink.ht_cap.ht_supported) {
1012 		/* sgi */
1013 		u32 msk = MT_WTBL_W5_SHORT_GI_20 | MT_WTBL_W5_SHORT_GI_40 |
1014 			  MT_WTBL_W5_SHORT_GI_80 | MT_WTBL_W5_SHORT_GI_160;
1015 		struct wtbl_raw *raw;
1016 
1017 		tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_RAW_DATA,
1018 						     sizeof(*raw), wtbl_tlv,
1019 						     sta_wtbl);
1020 
1021 		if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
1022 			flags |= MT_WTBL_W5_SHORT_GI_20;
1023 		if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
1024 			flags |= MT_WTBL_W5_SHORT_GI_40;
1025 
1026 		if (sta->deflink.vht_cap.vht_supported) {
1027 			if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
1028 				flags |= MT_WTBL_W5_SHORT_GI_80;
1029 			if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
1030 				flags |= MT_WTBL_W5_SHORT_GI_160;
1031 		}
1032 		raw = (struct wtbl_raw *)tlv;
1033 		raw->val = cpu_to_le32(flags);
1034 		raw->msk = cpu_to_le32(~msk);
1035 		raw->wtbl_idx = 1;
1036 		raw->dw = 5;
1037 	}
1038 }
1039 EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_ht_tlv);
1040 
mt76_connac_mcu_sta_cmd(struct mt76_phy * phy,struct mt76_sta_cmd_info * info)1041 int mt76_connac_mcu_sta_cmd(struct mt76_phy *phy,
1042 			    struct mt76_sta_cmd_info *info)
1043 {
1044 	struct mt76_vif *mvif = (struct mt76_vif *)info->vif->drv_priv;
1045 	struct ieee80211_link_sta *link_sta;
1046 	struct mt76_dev *dev = phy->dev;
1047 	struct wtbl_req_hdr *wtbl_hdr;
1048 	struct tlv *sta_wtbl;
1049 	struct sk_buff *skb;
1050 	int conn_state;
1051 
1052 	skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, info->wcid);
1053 	if (IS_ERR(skb))
1054 		return PTR_ERR(skb);
1055 
1056 	conn_state = info->enable ? CONN_STATE_PORT_SECURE :
1057 				    CONN_STATE_DISCONNECT;
1058 	link_sta = info->sta ? &info->sta->deflink : NULL;
1059 	if (info->sta || !info->offload_fw)
1060 		mt76_connac_mcu_sta_basic_tlv(dev, skb, info->vif,
1061 					      link_sta, conn_state,
1062 					      info->newly);
1063 	if (info->sta && info->enable)
1064 		mt76_connac_mcu_sta_tlv(phy, skb, info->sta,
1065 					info->vif, info->rcpi,
1066 					info->state);
1067 
1068 	sta_wtbl = mt76_connac_mcu_add_tlv(skb, STA_REC_WTBL,
1069 					   sizeof(struct tlv));
1070 
1071 	wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, info->wcid,
1072 						  WTBL_RESET_AND_SET,
1073 						  sta_wtbl, &skb);
1074 	if (IS_ERR(wtbl_hdr))
1075 		return PTR_ERR(wtbl_hdr);
1076 
1077 	if (info->enable) {
1078 		mt76_connac_mcu_wtbl_generic_tlv(dev, skb, info->vif,
1079 						 info->sta, sta_wtbl,
1080 						 wtbl_hdr);
1081 		mt76_connac_mcu_wtbl_hdr_trans_tlv(skb, info->vif, info->wcid,
1082 						   sta_wtbl, wtbl_hdr);
1083 		if (info->sta)
1084 			mt76_connac_mcu_wtbl_ht_tlv(dev, skb, info->sta,
1085 						    sta_wtbl, wtbl_hdr,
1086 						    true, true);
1087 	}
1088 
1089 	return mt76_mcu_skb_send_msg(dev, skb, info->cmd, true);
1090 }
1091 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_cmd);
1092 
mt76_connac_mcu_wtbl_ba_tlv(struct mt76_dev * dev,struct sk_buff * skb,struct ieee80211_ampdu_params * params,bool enable,bool tx,void * sta_wtbl,void * wtbl_tlv)1093 void mt76_connac_mcu_wtbl_ba_tlv(struct mt76_dev *dev, struct sk_buff *skb,
1094 				 struct ieee80211_ampdu_params *params,
1095 				 bool enable, bool tx, void *sta_wtbl,
1096 				 void *wtbl_tlv)
1097 {
1098 	struct wtbl_ba *ba;
1099 	struct tlv *tlv;
1100 
1101 	tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_BA, sizeof(*ba),
1102 					     wtbl_tlv, sta_wtbl);
1103 
1104 	ba = (struct wtbl_ba *)tlv;
1105 	ba->tid = params->tid;
1106 
1107 	if (tx) {
1108 		ba->ba_type = MT_BA_TYPE_ORIGINATOR;
1109 		ba->sn = enable ? cpu_to_le16(params->ssn) : 0;
1110 		ba->ba_winsize = enable ? cpu_to_le16(params->buf_size) : 0;
1111 		ba->ba_en = enable;
1112 	} else {
1113 		memcpy(ba->peer_addr, params->sta->addr, ETH_ALEN);
1114 		ba->ba_type = MT_BA_TYPE_RECIPIENT;
1115 		ba->rst_ba_tid = params->tid;
1116 		ba->rst_ba_sel = RST_BA_MAC_TID_MATCH;
1117 		ba->rst_ba_sb = 1;
1118 	}
1119 
1120 	if (!is_connac_v1(dev)) {
1121 		ba->ba_winsize = enable ? cpu_to_le16(params->buf_size) : 0;
1122 		return;
1123 	}
1124 
1125 	if (enable && tx) {
1126 		static const u8 ba_range[] = { 4, 8, 12, 24, 36, 48, 54, 64 };
1127 		int i;
1128 
1129 		for (i = 7; i > 0; i--) {
1130 			if (params->buf_size >= ba_range[i])
1131 				break;
1132 		}
1133 		ba->ba_winsize_idx = i;
1134 	}
1135 }
1136 EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_ba_tlv);
1137 
mt76_connac_mcu_uni_add_dev(struct mt76_phy * phy,struct ieee80211_bss_conf * bss_conf,struct mt76_wcid * wcid,bool enable)1138 int mt76_connac_mcu_uni_add_dev(struct mt76_phy *phy,
1139 				struct ieee80211_bss_conf *bss_conf,
1140 				struct mt76_wcid *wcid,
1141 				bool enable)
1142 {
1143 	struct mt76_vif *mvif = (struct mt76_vif *)bss_conf->vif->drv_priv;
1144 	struct mt76_dev *dev = phy->dev;
1145 	struct {
1146 		struct {
1147 			u8 omac_idx;
1148 			u8 band_idx;
1149 			__le16 pad;
1150 		} __packed hdr;
1151 		struct req_tlv {
1152 			__le16 tag;
1153 			__le16 len;
1154 			u8 active;
1155 			u8 link_idx; /* not link_id */
1156 			u8 omac_addr[ETH_ALEN];
1157 		} __packed tlv;
1158 	} dev_req = {
1159 		.hdr = {
1160 			.omac_idx = mvif->omac_idx,
1161 			.band_idx = mvif->band_idx,
1162 		},
1163 		.tlv = {
1164 			.tag = cpu_to_le16(DEV_INFO_ACTIVE),
1165 			.len = cpu_to_le16(sizeof(struct req_tlv)),
1166 			.active = enable,
1167 			.link_idx = mvif->idx,
1168 		},
1169 	};
1170 	struct {
1171 		struct {
1172 			u8 bss_idx;
1173 			u8 pad[3];
1174 		} __packed hdr;
1175 		struct mt76_connac_bss_basic_tlv basic;
1176 	} basic_req = {
1177 		.hdr = {
1178 			.bss_idx = mvif->idx,
1179 		},
1180 		.basic = {
1181 			.tag = cpu_to_le16(UNI_BSS_INFO_BASIC),
1182 			.len = cpu_to_le16(sizeof(struct mt76_connac_bss_basic_tlv)),
1183 			.omac_idx = mvif->omac_idx,
1184 			.band_idx = mvif->band_idx,
1185 			.wmm_idx = mvif->wmm_idx,
1186 			.active = enable,
1187 			.bmc_tx_wlan_idx = cpu_to_le16(wcid->idx),
1188 			.sta_idx = cpu_to_le16(wcid->idx),
1189 			.conn_state = 1,
1190 			.link_idx = mvif->idx,
1191 		},
1192 	};
1193 	int err, idx, cmd, len;
1194 	void *data;
1195 
1196 	switch (bss_conf->vif->type) {
1197 	case NL80211_IFTYPE_MESH_POINT:
1198 	case NL80211_IFTYPE_MONITOR:
1199 	case NL80211_IFTYPE_AP:
1200 		basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
1201 		break;
1202 	case NL80211_IFTYPE_STATION:
1203 		basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
1204 		break;
1205 	case NL80211_IFTYPE_ADHOC:
1206 		basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
1207 		break;
1208 	default:
1209 		WARN_ON(1);
1210 		break;
1211 	}
1212 
1213 	idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
1214 	basic_req.basic.hw_bss_idx = idx;
1215 
1216 	memcpy(dev_req.tlv.omac_addr, bss_conf->addr, ETH_ALEN);
1217 
1218 	cmd = enable ? MCU_UNI_CMD(DEV_INFO_UPDATE) : MCU_UNI_CMD(BSS_INFO_UPDATE);
1219 	data = enable ? (void *)&dev_req : (void *)&basic_req;
1220 	len = enable ? sizeof(dev_req) : sizeof(basic_req);
1221 
1222 	err = mt76_mcu_send_msg(dev, cmd, data, len, true);
1223 	if (err < 0)
1224 		return err;
1225 
1226 	cmd = enable ? MCU_UNI_CMD(BSS_INFO_UPDATE) : MCU_UNI_CMD(DEV_INFO_UPDATE);
1227 	data = enable ? (void *)&basic_req : (void *)&dev_req;
1228 	len = enable ? sizeof(basic_req) : sizeof(dev_req);
1229 
1230 	return mt76_mcu_send_msg(dev, cmd, data, len, true);
1231 }
1232 EXPORT_SYMBOL_GPL(mt76_connac_mcu_uni_add_dev);
1233 
mt76_connac_mcu_sta_ba_tlv(struct sk_buff * skb,struct ieee80211_ampdu_params * params,bool enable,bool tx)1234 void mt76_connac_mcu_sta_ba_tlv(struct sk_buff *skb,
1235 				struct ieee80211_ampdu_params *params,
1236 				bool enable, bool tx)
1237 {
1238 	struct sta_rec_ba *ba;
1239 	struct tlv *tlv;
1240 
1241 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba));
1242 
1243 	ba = (struct sta_rec_ba *)tlv;
1244 	ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT;
1245 	ba->winsize = cpu_to_le16(params->buf_size);
1246 	ba->ssn = cpu_to_le16(params->ssn);
1247 	ba->ba_en = enable << params->tid;
1248 	ba->amsdu = params->amsdu;
1249 	ba->tid = params->tid;
1250 }
1251 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_ba_tlv);
1252 
mt76_connac_mcu_sta_wed_update(struct mt76_dev * dev,struct sk_buff * skb)1253 int mt76_connac_mcu_sta_wed_update(struct mt76_dev *dev, struct sk_buff *skb)
1254 {
1255 	if (!mt76_is_mmio(dev))
1256 		return 0;
1257 
1258 	if (!mtk_wed_device_active(&dev->mmio.wed))
1259 		return 0;
1260 
1261 	return mtk_wed_device_update_msg(&dev->mmio.wed, WED_WO_STA_REC,
1262 					 skb->data, skb->len);
1263 }
1264 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_wed_update);
1265 
mt76_connac_mcu_sta_ba(struct mt76_dev * dev,struct mt76_vif * mvif,struct ieee80211_ampdu_params * params,int cmd,bool enable,bool tx)1266 int mt76_connac_mcu_sta_ba(struct mt76_dev *dev, struct mt76_vif *mvif,
1267 			   struct ieee80211_ampdu_params *params,
1268 			   int cmd, bool enable, bool tx)
1269 {
1270 	struct mt76_wcid *wcid = (struct mt76_wcid *)params->sta->drv_priv;
1271 	struct wtbl_req_hdr *wtbl_hdr;
1272 	struct tlv *sta_wtbl;
1273 	struct sk_buff *skb;
1274 	int ret;
1275 
1276 	skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid);
1277 	if (IS_ERR(skb))
1278 		return PTR_ERR(skb);
1279 
1280 	sta_wtbl = mt76_connac_mcu_add_tlv(skb, STA_REC_WTBL,
1281 					   sizeof(struct tlv));
1282 
1283 	wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, wcid, WTBL_SET,
1284 						  sta_wtbl, &skb);
1285 	if (IS_ERR(wtbl_hdr))
1286 		return PTR_ERR(wtbl_hdr);
1287 
1288 	mt76_connac_mcu_wtbl_ba_tlv(dev, skb, params, enable, tx, sta_wtbl,
1289 				    wtbl_hdr);
1290 
1291 	ret = mt76_connac_mcu_sta_wed_update(dev, skb);
1292 	if (ret)
1293 		return ret;
1294 
1295 	ret = mt76_mcu_skb_send_msg(dev, skb, cmd, true);
1296 	if (ret)
1297 		return ret;
1298 
1299 	skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid);
1300 	if (IS_ERR(skb))
1301 		return PTR_ERR(skb);
1302 
1303 	mt76_connac_mcu_sta_ba_tlv(skb, params, enable, tx);
1304 
1305 	ret = mt76_connac_mcu_sta_wed_update(dev, skb);
1306 	if (ret)
1307 		return ret;
1308 
1309 	return mt76_mcu_skb_send_msg(dev, skb, cmd, true);
1310 }
1311 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_ba);
1312 
mt76_connac_get_phy_mode(struct mt76_phy * phy,struct ieee80211_vif * vif,enum nl80211_band band,struct ieee80211_link_sta * link_sta)1313 u8 mt76_connac_get_phy_mode(struct mt76_phy *phy, struct ieee80211_vif *vif,
1314 			    enum nl80211_band band,
1315 			    struct ieee80211_link_sta *link_sta)
1316 {
1317 	struct mt76_dev *dev = phy->dev;
1318 	const struct ieee80211_sta_he_cap *he_cap;
1319 	struct ieee80211_sta_vht_cap *vht_cap;
1320 	struct ieee80211_sta_ht_cap *ht_cap;
1321 	u8 mode = 0;
1322 
1323 	if (is_connac_v1(dev))
1324 		return 0x38;
1325 
1326 	if (link_sta) {
1327 		ht_cap = &link_sta->ht_cap;
1328 		vht_cap = &link_sta->vht_cap;
1329 		he_cap = &link_sta->he_cap;
1330 	} else {
1331 		struct ieee80211_supported_band *sband;
1332 
1333 		sband = phy->hw->wiphy->bands[band];
1334 		ht_cap = &sband->ht_cap;
1335 		vht_cap = &sband->vht_cap;
1336 		he_cap = ieee80211_get_he_iftype_cap(sband, vif->type);
1337 	}
1338 
1339 	if (band == NL80211_BAND_2GHZ) {
1340 		mode |= PHY_MODE_B | PHY_MODE_G;
1341 
1342 		if (ht_cap->ht_supported)
1343 			mode |= PHY_MODE_GN;
1344 
1345 		if (he_cap && he_cap->has_he)
1346 			mode |= PHY_MODE_AX_24G;
1347 	} else if (band == NL80211_BAND_5GHZ) {
1348 		mode |= PHY_MODE_A;
1349 
1350 		if (ht_cap->ht_supported)
1351 			mode |= PHY_MODE_AN;
1352 
1353 		if (vht_cap->vht_supported)
1354 			mode |= PHY_MODE_AC;
1355 
1356 		if (he_cap && he_cap->has_he)
1357 			mode |= PHY_MODE_AX_5G;
1358 	} else if (band == NL80211_BAND_6GHZ) {
1359 		mode |= PHY_MODE_A | PHY_MODE_AN |
1360 			PHY_MODE_AC | PHY_MODE_AX_5G;
1361 	}
1362 
1363 	return mode;
1364 }
1365 EXPORT_SYMBOL_GPL(mt76_connac_get_phy_mode);
1366 
mt76_connac_get_phy_mode_ext(struct mt76_phy * phy,struct ieee80211_vif * vif,enum nl80211_band band)1367 u8 mt76_connac_get_phy_mode_ext(struct mt76_phy *phy, struct ieee80211_vif *vif,
1368 				enum nl80211_band band)
1369 {
1370 	const struct ieee80211_sta_eht_cap *eht_cap;
1371 	struct ieee80211_supported_band *sband;
1372 	u8 mode = 0;
1373 
1374 	if (band == NL80211_BAND_6GHZ)
1375 		mode |= PHY_MODE_AX_6G;
1376 
1377 	sband = phy->hw->wiphy->bands[band];
1378 	eht_cap = ieee80211_get_eht_iftype_cap(sband, vif->type);
1379 
1380 	if (!eht_cap || !eht_cap->has_eht || !vif->bss_conf.eht_support)
1381 		return mode;
1382 
1383 	switch (band) {
1384 	case NL80211_BAND_6GHZ:
1385 		mode |= PHY_MODE_BE_6G;
1386 		break;
1387 	case NL80211_BAND_5GHZ:
1388 		mode |= PHY_MODE_BE_5G;
1389 		break;
1390 	case NL80211_BAND_2GHZ:
1391 		mode |= PHY_MODE_BE_24G;
1392 		break;
1393 	default:
1394 		break;
1395 	}
1396 
1397 	return mode;
1398 }
1399 EXPORT_SYMBOL_GPL(mt76_connac_get_phy_mode_ext);
1400 
1401 const struct ieee80211_sta_he_cap *
mt76_connac_get_he_phy_cap(struct mt76_phy * phy,struct ieee80211_vif * vif)1402 mt76_connac_get_he_phy_cap(struct mt76_phy *phy, struct ieee80211_vif *vif)
1403 {
1404 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
1405 	struct cfg80211_chan_def *chandef = mvif->ctx ?
1406 					    &mvif->ctx->def : &phy->chandef;
1407 	enum nl80211_band band = chandef->chan->band;
1408 	struct ieee80211_supported_band *sband;
1409 
1410 	sband = phy->hw->wiphy->bands[band];
1411 
1412 	return ieee80211_get_he_iftype_cap(sband, vif->type);
1413 }
1414 EXPORT_SYMBOL_GPL(mt76_connac_get_he_phy_cap);
1415 
1416 const struct ieee80211_sta_eht_cap *
mt76_connac_get_eht_phy_cap(struct mt76_phy * phy,struct ieee80211_vif * vif)1417 mt76_connac_get_eht_phy_cap(struct mt76_phy *phy, struct ieee80211_vif *vif)
1418 {
1419 	enum nl80211_band band = phy->chandef.chan->band;
1420 	struct ieee80211_supported_band *sband;
1421 
1422 	sband = phy->hw->wiphy->bands[band];
1423 
1424 	return ieee80211_get_eht_iftype_cap(sband, vif->type);
1425 }
1426 EXPORT_SYMBOL_GPL(mt76_connac_get_eht_phy_cap);
1427 
1428 #define DEFAULT_HE_PE_DURATION		4
1429 #define DEFAULT_HE_DURATION_RTS_THRES	1023
1430 static void
mt76_connac_mcu_uni_bss_he_tlv(struct mt76_phy * phy,struct ieee80211_vif * vif,struct tlv * tlv)1431 mt76_connac_mcu_uni_bss_he_tlv(struct mt76_phy *phy, struct ieee80211_vif *vif,
1432 			       struct tlv *tlv)
1433 {
1434 	const struct ieee80211_sta_he_cap *cap;
1435 	struct bss_info_uni_he *he;
1436 
1437 	cap = mt76_connac_get_he_phy_cap(phy, vif);
1438 
1439 	he = (struct bss_info_uni_he *)tlv;
1440 	he->he_pe_duration = vif->bss_conf.htc_trig_based_pkt_ext;
1441 	if (!he->he_pe_duration)
1442 		he->he_pe_duration = DEFAULT_HE_PE_DURATION;
1443 
1444 	he->he_rts_thres = cpu_to_le16(vif->bss_conf.frame_time_rts_th);
1445 	if (!he->he_rts_thres)
1446 		he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES);
1447 
1448 	he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80;
1449 	he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160;
1450 	he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80;
1451 }
1452 
mt76_connac_mcu_uni_set_chctx(struct mt76_phy * phy,struct mt76_vif * mvif,struct ieee80211_chanctx_conf * ctx)1453 int mt76_connac_mcu_uni_set_chctx(struct mt76_phy *phy, struct mt76_vif *mvif,
1454 				  struct ieee80211_chanctx_conf *ctx)
1455 {
1456 	struct cfg80211_chan_def *chandef = ctx ? &ctx->def : &phy->chandef;
1457 	int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2;
1458 	enum nl80211_band band = chandef->chan->band;
1459 	struct mt76_dev *mdev = phy->dev;
1460 	struct {
1461 		struct {
1462 			u8 bss_idx;
1463 			u8 pad[3];
1464 		} __packed hdr;
1465 		struct rlm_tlv {
1466 			__le16 tag;
1467 			__le16 len;
1468 			u8 control_channel;
1469 			u8 center_chan;
1470 			u8 center_chan2;
1471 			u8 bw;
1472 			u8 tx_streams;
1473 			u8 rx_streams;
1474 			u8 short_st;
1475 			u8 ht_op_info;
1476 			u8 sco;
1477 			u8 band;
1478 			u8 pad[2];
1479 		} __packed rlm;
1480 	} __packed rlm_req = {
1481 		.hdr = {
1482 			.bss_idx = mvif->idx,
1483 		},
1484 		.rlm = {
1485 			.tag = cpu_to_le16(UNI_BSS_INFO_RLM),
1486 			.len = cpu_to_le16(sizeof(struct rlm_tlv)),
1487 			.control_channel = chandef->chan->hw_value,
1488 			.center_chan = ieee80211_frequency_to_channel(freq1),
1489 			.center_chan2 = ieee80211_frequency_to_channel(freq2),
1490 			.tx_streams = hweight8(phy->antenna_mask),
1491 			.ht_op_info = 4, /* set HT 40M allowed */
1492 			.rx_streams = phy->chainmask,
1493 			.short_st = true,
1494 			.band = band,
1495 		},
1496 	};
1497 
1498 	switch (chandef->width) {
1499 	case NL80211_CHAN_WIDTH_40:
1500 		rlm_req.rlm.bw = CMD_CBW_40MHZ;
1501 		break;
1502 	case NL80211_CHAN_WIDTH_80:
1503 		rlm_req.rlm.bw = CMD_CBW_80MHZ;
1504 		break;
1505 	case NL80211_CHAN_WIDTH_80P80:
1506 		rlm_req.rlm.bw = CMD_CBW_8080MHZ;
1507 		break;
1508 	case NL80211_CHAN_WIDTH_160:
1509 		rlm_req.rlm.bw = CMD_CBW_160MHZ;
1510 		break;
1511 	case NL80211_CHAN_WIDTH_5:
1512 		rlm_req.rlm.bw = CMD_CBW_5MHZ;
1513 		break;
1514 	case NL80211_CHAN_WIDTH_10:
1515 		rlm_req.rlm.bw = CMD_CBW_10MHZ;
1516 		break;
1517 	case NL80211_CHAN_WIDTH_20_NOHT:
1518 	case NL80211_CHAN_WIDTH_20:
1519 	default:
1520 		rlm_req.rlm.bw = CMD_CBW_20MHZ;
1521 		rlm_req.rlm.ht_op_info = 0;
1522 		break;
1523 	}
1524 
1525 	if (rlm_req.rlm.control_channel < rlm_req.rlm.center_chan)
1526 		rlm_req.rlm.sco = 1; /* SCA */
1527 	else if (rlm_req.rlm.control_channel > rlm_req.rlm.center_chan)
1528 		rlm_req.rlm.sco = 3; /* SCB */
1529 
1530 	return mt76_mcu_send_msg(mdev, MCU_UNI_CMD(BSS_INFO_UPDATE), &rlm_req,
1531 				 sizeof(rlm_req), true);
1532 }
1533 EXPORT_SYMBOL_GPL(mt76_connac_mcu_uni_set_chctx);
1534 
mt76_connac_mcu_uni_add_bss(struct mt76_phy * phy,struct ieee80211_vif * vif,struct mt76_wcid * wcid,bool enable,struct ieee80211_chanctx_conf * ctx)1535 int mt76_connac_mcu_uni_add_bss(struct mt76_phy *phy,
1536 				struct ieee80211_vif *vif,
1537 				struct mt76_wcid *wcid,
1538 				bool enable,
1539 				struct ieee80211_chanctx_conf *ctx)
1540 {
1541 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
1542 	struct cfg80211_chan_def *chandef = ctx ? &ctx->def : &phy->chandef;
1543 	enum nl80211_band band = chandef->chan->band;
1544 	struct mt76_dev *mdev = phy->dev;
1545 	struct {
1546 		struct {
1547 			u8 bss_idx;
1548 			u8 pad[3];
1549 		} __packed hdr;
1550 		struct mt76_connac_bss_basic_tlv basic;
1551 		struct mt76_connac_bss_qos_tlv qos;
1552 	} basic_req = {
1553 		.hdr = {
1554 			.bss_idx = mvif->idx,
1555 		},
1556 		.basic = {
1557 			.tag = cpu_to_le16(UNI_BSS_INFO_BASIC),
1558 			.len = cpu_to_le16(sizeof(struct mt76_connac_bss_basic_tlv)),
1559 			.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
1560 			.dtim_period = vif->bss_conf.dtim_period,
1561 			.omac_idx = mvif->omac_idx,
1562 			.band_idx = mvif->band_idx,
1563 			.wmm_idx = mvif->wmm_idx,
1564 			.active = true, /* keep bss deactivated */
1565 			.phymode = mt76_connac_get_phy_mode(phy, vif, band, NULL),
1566 		},
1567 		.qos = {
1568 			.tag = cpu_to_le16(UNI_BSS_INFO_QBSS),
1569 			.len = cpu_to_le16(sizeof(struct mt76_connac_bss_qos_tlv)),
1570 			.qos = vif->bss_conf.qos,
1571 		},
1572 	};
1573 	int err, conn_type;
1574 	u8 idx, basic_phy;
1575 
1576 	idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
1577 	basic_req.basic.hw_bss_idx = idx;
1578 	if (band == NL80211_BAND_6GHZ)
1579 		basic_req.basic.phymode_ext = PHY_MODE_AX_6G;
1580 
1581 	basic_phy = mt76_connac_get_phy_mode_v2(phy, vif, band, NULL);
1582 	basic_req.basic.nonht_basic_phy = cpu_to_le16(basic_phy);
1583 
1584 	switch (vif->type) {
1585 	case NL80211_IFTYPE_MESH_POINT:
1586 	case NL80211_IFTYPE_AP:
1587 		if (vif->p2p)
1588 			conn_type = CONNECTION_P2P_GO;
1589 		else
1590 			conn_type = CONNECTION_INFRA_AP;
1591 		basic_req.basic.conn_type = cpu_to_le32(conn_type);
1592 		/* Fully active/deactivate BSS network in AP mode only */
1593 		basic_req.basic.active = enable;
1594 		break;
1595 	case NL80211_IFTYPE_STATION:
1596 		if (vif->p2p)
1597 			conn_type = CONNECTION_P2P_GC;
1598 		else
1599 			conn_type = CONNECTION_INFRA_STA;
1600 		basic_req.basic.conn_type = cpu_to_le32(conn_type);
1601 		break;
1602 	case NL80211_IFTYPE_ADHOC:
1603 		basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
1604 		break;
1605 	default:
1606 		WARN_ON(1);
1607 		break;
1608 	}
1609 
1610 	memcpy(basic_req.basic.bssid, vif->bss_conf.bssid, ETH_ALEN);
1611 	basic_req.basic.bmc_tx_wlan_idx = cpu_to_le16(wcid->idx);
1612 	basic_req.basic.sta_idx = cpu_to_le16(wcid->idx);
1613 	basic_req.basic.conn_state = !enable;
1614 
1615 	err = mt76_mcu_send_msg(mdev, MCU_UNI_CMD(BSS_INFO_UPDATE), &basic_req,
1616 				sizeof(basic_req), true);
1617 	if (err < 0)
1618 		return err;
1619 
1620 	if (vif->bss_conf.he_support) {
1621 		struct {
1622 			struct {
1623 				u8 bss_idx;
1624 				u8 pad[3];
1625 			} __packed hdr;
1626 			struct bss_info_uni_he he;
1627 			struct bss_info_uni_bss_color bss_color;
1628 		} he_req = {
1629 			.hdr = {
1630 				.bss_idx = mvif->idx,
1631 			},
1632 			.he = {
1633 				.tag = cpu_to_le16(UNI_BSS_INFO_HE_BASIC),
1634 				.len = cpu_to_le16(sizeof(struct bss_info_uni_he)),
1635 			},
1636 			.bss_color = {
1637 				.tag = cpu_to_le16(UNI_BSS_INFO_BSS_COLOR),
1638 				.len = cpu_to_le16(sizeof(struct bss_info_uni_bss_color)),
1639 				.enable = 0,
1640 				.bss_color = 0,
1641 			},
1642 		};
1643 
1644 		if (enable) {
1645 			he_req.bss_color.enable =
1646 				vif->bss_conf.he_bss_color.enabled;
1647 			he_req.bss_color.bss_color =
1648 				vif->bss_conf.he_bss_color.color;
1649 		}
1650 
1651 		mt76_connac_mcu_uni_bss_he_tlv(phy, vif,
1652 					       (struct tlv *)&he_req.he);
1653 		err = mt76_mcu_send_msg(mdev, MCU_UNI_CMD(BSS_INFO_UPDATE),
1654 					&he_req, sizeof(he_req), true);
1655 		if (err < 0)
1656 			return err;
1657 	}
1658 
1659 	return mt76_connac_mcu_uni_set_chctx(phy, mvif, ctx);
1660 }
1661 EXPORT_SYMBOL_GPL(mt76_connac_mcu_uni_add_bss);
1662 
1663 #define MT76_CONNAC_SCAN_CHANNEL_TIME		60
mt76_connac_mcu_hw_scan(struct mt76_phy * phy,struct ieee80211_vif * vif,struct ieee80211_scan_request * scan_req)1664 int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
1665 			    struct ieee80211_scan_request *scan_req)
1666 {
1667 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
1668 	struct cfg80211_scan_request *sreq = &scan_req->req;
1669 	int n_ssids = 0, err, i, duration;
1670 	int ext_channels_num = max_t(int, sreq->n_channels - 32, 0);
1671 	struct ieee80211_channel **scan_list = sreq->channels;
1672 	struct mt76_dev *mdev = phy->dev;
1673 	struct mt76_connac_mcu_scan_channel *chan;
1674 	struct mt76_connac_hw_scan_req *req;
1675 	struct sk_buff *skb;
1676 
1677 	if (test_bit(MT76_HW_SCANNING, &phy->state))
1678 		return -EBUSY;
1679 
1680 	skb = mt76_mcu_msg_alloc(mdev, NULL, sizeof(*req));
1681 	if (!skb)
1682 		return -ENOMEM;
1683 
1684 	set_bit(MT76_HW_SCANNING, &phy->state);
1685 	mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f;
1686 
1687 	req = (struct mt76_connac_hw_scan_req *)skb_put_zero(skb, sizeof(*req));
1688 
1689 	req->seq_num = mvif->scan_seq_num | mvif->band_idx << 7;
1690 	req->bss_idx = mvif->idx;
1691 	req->scan_type = sreq->n_ssids ? 1 : 0;
1692 	req->probe_req_num = sreq->n_ssids ? 2 : 0;
1693 	req->version = 1;
1694 
1695 	for (i = 0; i < sreq->n_ssids; i++) {
1696 		if (!sreq->ssids[i].ssid_len)
1697 			continue;
1698 
1699 		req->ssids[i].ssid_len = cpu_to_le32(sreq->ssids[i].ssid_len);
1700 		memcpy(req->ssids[i].ssid, sreq->ssids[i].ssid,
1701 		       sreq->ssids[i].ssid_len);
1702 		n_ssids++;
1703 	}
1704 	req->ssid_type = n_ssids ? BIT(2) : BIT(0);
1705 	req->ssid_type_ext = n_ssids ? BIT(0) : 0;
1706 	req->ssids_num = n_ssids;
1707 
1708 	duration = is_mt7921(phy->dev) ? 0 : MT76_CONNAC_SCAN_CHANNEL_TIME;
1709 	/* increase channel time for passive scan */
1710 	if (!sreq->n_ssids)
1711 		duration *= 2;
1712 	req->timeout_value = cpu_to_le16(sreq->n_channels * duration);
1713 	req->channel_min_dwell_time = cpu_to_le16(duration);
1714 	req->channel_dwell_time = cpu_to_le16(duration);
1715 
1716 	if (sreq->n_channels == 0 || sreq->n_channels > 64) {
1717 		req->channel_type = 0;
1718 		req->channels_num = 0;
1719 		req->ext_channels_num = 0;
1720 	} else {
1721 		req->channel_type = 4;
1722 		req->channels_num = min_t(u8, sreq->n_channels, 32);
1723 		req->ext_channels_num = min_t(u8, ext_channels_num, 32);
1724 	}
1725 
1726 	for (i = 0; i < req->channels_num + req->ext_channels_num; i++) {
1727 		if (i >= 32)
1728 			chan = &req->ext_channels[i - 32];
1729 		else
1730 			chan = &req->channels[i];
1731 
1732 		switch (scan_list[i]->band) {
1733 		case NL80211_BAND_2GHZ:
1734 			chan->band = 1;
1735 			break;
1736 		case NL80211_BAND_6GHZ:
1737 			chan->band = 3;
1738 			break;
1739 		default:
1740 			chan->band = 2;
1741 			break;
1742 		}
1743 		chan->channel_num = scan_list[i]->hw_value;
1744 	}
1745 
1746 	if (sreq->ie_len > 0) {
1747 		memcpy(req->ies, sreq->ie, sreq->ie_len);
1748 		req->ies_len = cpu_to_le16(sreq->ie_len);
1749 	}
1750 
1751 	if (is_mt7921(phy->dev))
1752 		req->scan_func |= SCAN_FUNC_SPLIT_SCAN;
1753 
1754 	memcpy(req->bssid, sreq->bssid, ETH_ALEN);
1755 	if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
1756 		get_random_mask_addr(req->random_mac, sreq->mac_addr,
1757 				     sreq->mac_addr_mask);
1758 		req->scan_func |= SCAN_FUNC_RANDOM_MAC;
1759 	}
1760 
1761 	err = mt76_mcu_skb_send_msg(mdev, skb, MCU_CE_CMD(START_HW_SCAN),
1762 				    false);
1763 	if (err < 0)
1764 		clear_bit(MT76_HW_SCANNING, &phy->state);
1765 
1766 	return err;
1767 }
1768 EXPORT_SYMBOL_GPL(mt76_connac_mcu_hw_scan);
1769 
mt76_connac_mcu_cancel_hw_scan(struct mt76_phy * phy,struct ieee80211_vif * vif)1770 int mt76_connac_mcu_cancel_hw_scan(struct mt76_phy *phy,
1771 				   struct ieee80211_vif *vif)
1772 {
1773 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
1774 	struct {
1775 		u8 seq_num;
1776 		u8 is_ext_channel;
1777 		u8 rsv[2];
1778 	} __packed req = {
1779 		.seq_num = mvif->scan_seq_num,
1780 	};
1781 
1782 	if (test_and_clear_bit(MT76_HW_SCANNING, &phy->state)) {
1783 		struct cfg80211_scan_info info = {
1784 			.aborted = true,
1785 		};
1786 
1787 		ieee80211_scan_completed(phy->hw, &info);
1788 	}
1789 
1790 	return mt76_mcu_send_msg(phy->dev, MCU_CE_CMD(CANCEL_HW_SCAN),
1791 				 &req, sizeof(req), false);
1792 }
1793 EXPORT_SYMBOL_GPL(mt76_connac_mcu_cancel_hw_scan);
1794 
mt76_connac_mcu_sched_scan_req(struct mt76_phy * phy,struct ieee80211_vif * vif,struct cfg80211_sched_scan_request * sreq)1795 int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy,
1796 				   struct ieee80211_vif *vif,
1797 				   struct cfg80211_sched_scan_request *sreq)
1798 {
1799 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
1800 	struct ieee80211_channel **scan_list = sreq->channels;
1801 	struct mt76_connac_mcu_scan_channel *chan;
1802 	struct mt76_connac_sched_scan_req *req;
1803 	struct mt76_dev *mdev = phy->dev;
1804 	struct cfg80211_match_set *match;
1805 	struct cfg80211_ssid *ssid;
1806 	struct sk_buff *skb;
1807 	int i;
1808 
1809 	skb = mt76_mcu_msg_alloc(mdev, NULL, sizeof(*req) + sreq->ie_len);
1810 	if (!skb)
1811 		return -ENOMEM;
1812 
1813 	mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f;
1814 
1815 	req = (struct mt76_connac_sched_scan_req *)skb_put_zero(skb, sizeof(*req));
1816 	req->version = 1;
1817 	req->seq_num = mvif->scan_seq_num | mvif->band_idx << 7;
1818 
1819 	if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
1820 		u8 *addr = is_mt7663(phy->dev) ? req->mt7663.random_mac
1821 					       : req->mt7921.random_mac;
1822 
1823 		req->scan_func = 1;
1824 		get_random_mask_addr(addr, sreq->mac_addr,
1825 				     sreq->mac_addr_mask);
1826 	}
1827 	if (is_mt7921(phy->dev)) {
1828 		req->mt7921.bss_idx = mvif->idx;
1829 		req->mt7921.delay = cpu_to_le32(sreq->delay);
1830 	}
1831 
1832 	req->ssids_num = sreq->n_ssids;
1833 	for (i = 0; i < req->ssids_num; i++) {
1834 		ssid = &sreq->ssids[i];
1835 		memcpy(req->ssids[i].ssid, ssid->ssid, ssid->ssid_len);
1836 		req->ssids[i].ssid_len = cpu_to_le32(ssid->ssid_len);
1837 	}
1838 
1839 	req->match_num = sreq->n_match_sets;
1840 	for (i = 0; i < req->match_num; i++) {
1841 		match = &sreq->match_sets[i];
1842 		memcpy(req->match[i].ssid, match->ssid.ssid,
1843 		       match->ssid.ssid_len);
1844 		req->match[i].rssi_th = cpu_to_le32(match->rssi_thold);
1845 		req->match[i].ssid_len = match->ssid.ssid_len;
1846 	}
1847 
1848 	req->channel_type = sreq->n_channels ? 4 : 0;
1849 	req->channels_num = min_t(u8, sreq->n_channels, 64);
1850 	for (i = 0; i < req->channels_num; i++) {
1851 		chan = &req->channels[i];
1852 
1853 		switch (scan_list[i]->band) {
1854 		case NL80211_BAND_2GHZ:
1855 			chan->band = 1;
1856 			break;
1857 		case NL80211_BAND_6GHZ:
1858 			chan->band = 3;
1859 			break;
1860 		default:
1861 			chan->band = 2;
1862 			break;
1863 		}
1864 		chan->channel_num = scan_list[i]->hw_value;
1865 	}
1866 
1867 	req->intervals_num = sreq->n_scan_plans;
1868 	for (i = 0; i < req->intervals_num; i++)
1869 		req->intervals[i] = cpu_to_le16(sreq->scan_plans[i].interval);
1870 
1871 	if (sreq->ie_len > 0) {
1872 		req->ie_len = cpu_to_le16(sreq->ie_len);
1873 		memcpy(skb_put(skb, sreq->ie_len), sreq->ie, sreq->ie_len);
1874 	}
1875 
1876 	return mt76_mcu_skb_send_msg(mdev, skb, MCU_CE_CMD(SCHED_SCAN_REQ),
1877 				     false);
1878 }
1879 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sched_scan_req);
1880 
mt76_connac_mcu_sched_scan_enable(struct mt76_phy * phy,struct ieee80211_vif * vif,bool enable)1881 int mt76_connac_mcu_sched_scan_enable(struct mt76_phy *phy,
1882 				      struct ieee80211_vif *vif,
1883 				      bool enable)
1884 {
1885 	struct {
1886 		u8 active; /* 0: enabled 1: disabled */
1887 		u8 rsv[3];
1888 	} __packed req = {
1889 		.active = !enable,
1890 	};
1891 
1892 	if (enable)
1893 		set_bit(MT76_HW_SCHED_SCANNING, &phy->state);
1894 	else
1895 		clear_bit(MT76_HW_SCHED_SCANNING, &phy->state);
1896 
1897 	return mt76_mcu_send_msg(phy->dev, MCU_CE_CMD(SCHED_SCAN_ENABLE),
1898 				 &req, sizeof(req), false);
1899 }
1900 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sched_scan_enable);
1901 
mt76_connac_mcu_chip_config(struct mt76_dev * dev)1902 int mt76_connac_mcu_chip_config(struct mt76_dev *dev)
1903 {
1904 	struct mt76_connac_config req = {
1905 		.resp_type = 0,
1906 	};
1907 
1908 	memcpy(req.data, "assert", 7);
1909 
1910 	return mt76_mcu_send_msg(dev, MCU_CE_CMD(CHIP_CONFIG),
1911 				 &req, sizeof(req), false);
1912 }
1913 EXPORT_SYMBOL_GPL(mt76_connac_mcu_chip_config);
1914 
mt76_connac_mcu_set_deep_sleep(struct mt76_dev * dev,bool enable)1915 int mt76_connac_mcu_set_deep_sleep(struct mt76_dev *dev, bool enable)
1916 {
1917 	struct mt76_connac_config req = {
1918 		.resp_type = 0,
1919 	};
1920 
1921 	snprintf(req.data, sizeof(req.data), "KeepFullPwr %d", !enable);
1922 
1923 	return mt76_mcu_send_msg(dev, MCU_CE_CMD(CHIP_CONFIG),
1924 				 &req, sizeof(req), false);
1925 }
1926 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_deep_sleep);
1927 
mt76_connac_sta_state_dp(struct mt76_dev * dev,enum ieee80211_sta_state old_state,enum ieee80211_sta_state new_state)1928 int mt76_connac_sta_state_dp(struct mt76_dev *dev,
1929 			     enum ieee80211_sta_state old_state,
1930 			     enum ieee80211_sta_state new_state)
1931 {
1932 	if ((old_state == IEEE80211_STA_ASSOC &&
1933 	     new_state == IEEE80211_STA_AUTHORIZED) ||
1934 	    (old_state == IEEE80211_STA_NONE &&
1935 	     new_state == IEEE80211_STA_NOTEXIST))
1936 		mt76_connac_mcu_set_deep_sleep(dev, true);
1937 
1938 	if ((old_state == IEEE80211_STA_NOTEXIST &&
1939 	     new_state == IEEE80211_STA_NONE) ||
1940 	    (old_state == IEEE80211_STA_AUTHORIZED &&
1941 	     new_state == IEEE80211_STA_ASSOC))
1942 		mt76_connac_mcu_set_deep_sleep(dev, false);
1943 
1944 	return 0;
1945 }
1946 EXPORT_SYMBOL_GPL(mt76_connac_sta_state_dp);
1947 
mt76_connac_mcu_coredump_event(struct mt76_dev * dev,struct sk_buff * skb,struct mt76_connac_coredump * coredump)1948 void mt76_connac_mcu_coredump_event(struct mt76_dev *dev, struct sk_buff *skb,
1949 				    struct mt76_connac_coredump *coredump)
1950 {
1951 	spin_lock_bh(&dev->lock);
1952 	__skb_queue_tail(&coredump->msg_list, skb);
1953 	spin_unlock_bh(&dev->lock);
1954 
1955 	coredump->last_activity = jiffies;
1956 
1957 	queue_delayed_work(dev->wq, &coredump->work,
1958 			   MT76_CONNAC_COREDUMP_TIMEOUT);
1959 }
1960 EXPORT_SYMBOL_GPL(mt76_connac_mcu_coredump_event);
1961 
1962 static void
mt76_connac_mcu_build_sku(struct mt76_dev * dev,s8 * sku,struct mt76_power_limits * limits,enum nl80211_band band)1963 mt76_connac_mcu_build_sku(struct mt76_dev *dev, s8 *sku,
1964 			  struct mt76_power_limits *limits,
1965 			  enum nl80211_band band)
1966 {
1967 	int max_power = is_mt7921(dev) ? 127 : 63;
1968 	int i, offset = sizeof(limits->cck);
1969 
1970 	memset(sku, max_power, MT_SKU_POWER_LIMIT);
1971 
1972 	if (band == NL80211_BAND_2GHZ) {
1973 		/* cck */
1974 		memcpy(sku, limits->cck, sizeof(limits->cck));
1975 	}
1976 
1977 	/* ofdm */
1978 	memcpy(&sku[offset], limits->ofdm, sizeof(limits->ofdm));
1979 	offset += sizeof(limits->ofdm);
1980 
1981 	/* ht */
1982 	for (i = 0; i < 2; i++) {
1983 		memcpy(&sku[offset], limits->mcs[i], 8);
1984 		offset += 8;
1985 	}
1986 	sku[offset++] = limits->mcs[0][0];
1987 
1988 	/* vht */
1989 	for (i = 0; i < ARRAY_SIZE(limits->mcs); i++) {
1990 		memcpy(&sku[offset], limits->mcs[i],
1991 		       ARRAY_SIZE(limits->mcs[i]));
1992 		offset += 12;
1993 	}
1994 
1995 	if (!is_mt7921(dev))
1996 		return;
1997 
1998 	/* he */
1999 	for (i = 0; i < ARRAY_SIZE(limits->ru); i++) {
2000 		memcpy(&sku[offset], limits->ru[i], ARRAY_SIZE(limits->ru[i]));
2001 		offset += ARRAY_SIZE(limits->ru[i]);
2002 	}
2003 }
2004 
mt76_connac_get_ch_power(struct mt76_phy * phy,struct ieee80211_channel * chan,s8 target_power)2005 s8 mt76_connac_get_ch_power(struct mt76_phy *phy,
2006 			    struct ieee80211_channel *chan,
2007 			    s8 target_power)
2008 {
2009 	struct mt76_dev *dev = phy->dev;
2010 	struct ieee80211_supported_band *sband;
2011 	int i;
2012 
2013 	switch (chan->band) {
2014 	case NL80211_BAND_2GHZ:
2015 		sband = &phy->sband_2g.sband;
2016 		break;
2017 	case NL80211_BAND_5GHZ:
2018 		sband = &phy->sband_5g.sband;
2019 		break;
2020 	case NL80211_BAND_6GHZ:
2021 		sband = &phy->sband_6g.sband;
2022 		break;
2023 	default:
2024 		return target_power;
2025 	}
2026 
2027 	for (i = 0; i < sband->n_channels; i++) {
2028 		struct ieee80211_channel *ch = &sband->channels[i];
2029 
2030 		if (ch->hw_value == chan->hw_value) {
2031 			if (!(ch->flags & IEEE80211_CHAN_DISABLED)) {
2032 				int power = 2 * ch->max_reg_power;
2033 
2034 				if (is_mt7663(dev) && (power > 63 || power < -64))
2035 					power = 63;
2036 				target_power = min_t(s8, power, target_power);
2037 			}
2038 			break;
2039 		}
2040 	}
2041 
2042 	return target_power;
2043 }
2044 EXPORT_SYMBOL_GPL(mt76_connac_get_ch_power);
2045 
2046 static int
mt76_connac_mcu_rate_txpower_band(struct mt76_phy * phy,enum nl80211_band band)2047 mt76_connac_mcu_rate_txpower_band(struct mt76_phy *phy,
2048 				  enum nl80211_band band)
2049 {
2050 	struct mt76_dev *dev = phy->dev;
2051 	int sku_len, batch_len = is_mt7921(dev) ? 8 : 16;
2052 	static const u8 chan_list_2ghz[] = {
2053 		1, 2,  3,  4,  5,  6,  7,
2054 		8, 9, 10, 11, 12, 13, 14
2055 	};
2056 	static const u8 chan_list_5ghz[] = {
2057 		 36,  38,  40,  42,  44,  46,  48,
2058 		 50,  52,  54,  56,  58,  60,  62,
2059 		 64, 100, 102, 104, 106, 108, 110,
2060 		112, 114, 116, 118, 120, 122, 124,
2061 		126, 128, 132, 134, 136, 138, 140,
2062 		142, 144, 149, 151, 153, 155, 157,
2063 		159, 161, 165, 169, 173, 177
2064 	};
2065 	static const u8 chan_list_6ghz[] = {
2066 		  1,   3,   5,   7,   9,  11,  13,
2067 		 15,  17,  19,  21,  23,  25,  27,
2068 		 29,  33,  35,  37,  39,  41,  43,
2069 		 45,  47,  49,  51,  53,  55,  57,
2070 		 59,  61,  65,  67,  69,  71,  73,
2071 		 75,  77,  79,  81,  83,  85,  87,
2072 		 89,  91,  93,  97,  99, 101, 103,
2073 		105, 107, 109, 111, 113, 115, 117,
2074 		119, 121, 123, 125, 129, 131, 133,
2075 		135, 137, 139, 141, 143, 145, 147,
2076 		149, 151, 153, 155, 157, 161, 163,
2077 		165, 167, 169, 171, 173, 175, 177,
2078 		179, 181, 183, 185, 187, 189, 193,
2079 		195, 197, 199, 201, 203, 205, 207,
2080 		209, 211, 213, 215, 217, 219, 221,
2081 		225, 227, 229, 233
2082 	};
2083 	int i, n_chan, batch_size, idx = 0, tx_power, last_ch, err = 0;
2084 	struct mt76_connac_sku_tlv sku_tlbv;
2085 	struct mt76_power_limits *limits;
2086 	const u8 *ch_list;
2087 
2088 	limits = devm_kmalloc(dev->dev, sizeof(*limits), GFP_KERNEL);
2089 	if (!limits)
2090 		return -ENOMEM;
2091 
2092 	sku_len = is_mt7921(dev) ? sizeof(sku_tlbv) : sizeof(sku_tlbv) - 92;
2093 	tx_power = 2 * phy->hw->conf.power_level;
2094 	if (!tx_power)
2095 		tx_power = 127;
2096 
2097 	if (band == NL80211_BAND_2GHZ) {
2098 		n_chan = ARRAY_SIZE(chan_list_2ghz);
2099 		ch_list = chan_list_2ghz;
2100 	} else if (band == NL80211_BAND_6GHZ) {
2101 		n_chan = ARRAY_SIZE(chan_list_6ghz);
2102 		ch_list = chan_list_6ghz;
2103 	} else {
2104 		n_chan = ARRAY_SIZE(chan_list_5ghz);
2105 		ch_list = chan_list_5ghz;
2106 	}
2107 	batch_size = DIV_ROUND_UP(n_chan, batch_len);
2108 
2109 	if (phy->cap.has_6ghz)
2110 		last_ch = chan_list_6ghz[ARRAY_SIZE(chan_list_6ghz) - 1];
2111 	else if (phy->cap.has_5ghz)
2112 		last_ch = chan_list_5ghz[ARRAY_SIZE(chan_list_5ghz) - 1];
2113 	else
2114 		last_ch = chan_list_2ghz[ARRAY_SIZE(chan_list_2ghz) - 1];
2115 
2116 	for (i = 0; i < batch_size; i++) {
2117 		struct mt76_connac_tx_power_limit_tlv tx_power_tlv = {};
2118 		int j, msg_len, num_ch;
2119 		struct sk_buff *skb;
2120 
2121 		num_ch = i == batch_size - 1 ? n_chan - i * batch_len : batch_len;
2122 		msg_len = sizeof(tx_power_tlv) + num_ch * sizeof(sku_tlbv);
2123 		skb = mt76_mcu_msg_alloc(dev, NULL, msg_len);
2124 		if (!skb) {
2125 			err = -ENOMEM;
2126 			goto out;
2127 		}
2128 
2129 		skb_reserve(skb, sizeof(tx_power_tlv));
2130 
2131 		BUILD_BUG_ON(sizeof(dev->alpha2) > sizeof(tx_power_tlv.alpha2));
2132 		memcpy(tx_power_tlv.alpha2, dev->alpha2, sizeof(dev->alpha2));
2133 		tx_power_tlv.n_chan = num_ch;
2134 
2135 		switch (band) {
2136 		case NL80211_BAND_2GHZ:
2137 			tx_power_tlv.band = 1;
2138 			break;
2139 		case NL80211_BAND_6GHZ:
2140 			tx_power_tlv.band = 3;
2141 			break;
2142 		default:
2143 			tx_power_tlv.band = 2;
2144 			break;
2145 		}
2146 
2147 		for (j = 0; j < num_ch; j++, idx++) {
2148 			struct ieee80211_channel chan = {
2149 				.hw_value = ch_list[idx],
2150 				.band = band,
2151 			};
2152 			s8 reg_power, sar_power;
2153 
2154 			reg_power = mt76_connac_get_ch_power(phy, &chan,
2155 							     tx_power);
2156 			sar_power = mt76_get_sar_power(phy, &chan, reg_power);
2157 
2158 			mt76_get_rate_power_limits(phy, &chan, limits,
2159 						   sar_power);
2160 
2161 			tx_power_tlv.last_msg = ch_list[idx] == last_ch;
2162 			sku_tlbv.channel = ch_list[idx];
2163 
2164 			mt76_connac_mcu_build_sku(dev, sku_tlbv.pwr_limit,
2165 						  limits, band);
2166 			skb_put_data(skb, &sku_tlbv, sku_len);
2167 		}
2168 		__skb_push(skb, sizeof(tx_power_tlv));
2169 		memcpy(skb->data, &tx_power_tlv, sizeof(tx_power_tlv));
2170 
2171 		err = mt76_mcu_skb_send_msg(dev, skb,
2172 					    MCU_CE_CMD(SET_RATE_TX_POWER),
2173 					    false);
2174 		if (err < 0)
2175 			goto out;
2176 	}
2177 
2178 out:
2179 	devm_kfree(dev->dev, limits);
2180 	return err;
2181 }
2182 
mt76_connac_mcu_set_rate_txpower(struct mt76_phy * phy)2183 int mt76_connac_mcu_set_rate_txpower(struct mt76_phy *phy)
2184 {
2185 	int err;
2186 
2187 	if (phy->cap.has_2ghz) {
2188 		err = mt76_connac_mcu_rate_txpower_band(phy,
2189 							NL80211_BAND_2GHZ);
2190 		if (err < 0)
2191 			return err;
2192 	}
2193 	if (phy->cap.has_5ghz) {
2194 		err = mt76_connac_mcu_rate_txpower_band(phy,
2195 							NL80211_BAND_5GHZ);
2196 		if (err < 0)
2197 			return err;
2198 	}
2199 	if (phy->cap.has_6ghz) {
2200 		err = mt76_connac_mcu_rate_txpower_band(phy,
2201 							NL80211_BAND_6GHZ);
2202 		if (err < 0)
2203 			return err;
2204 	}
2205 
2206 	return 0;
2207 }
2208 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_rate_txpower);
2209 
mt76_connac_mcu_update_arp_filter(struct mt76_dev * dev,struct mt76_vif * vif,struct ieee80211_bss_conf * info)2210 int mt76_connac_mcu_update_arp_filter(struct mt76_dev *dev,
2211 				      struct mt76_vif *vif,
2212 				      struct ieee80211_bss_conf *info)
2213 {
2214 	struct ieee80211_vif *mvif = container_of(info, struct ieee80211_vif,
2215 						  bss_conf);
2216 	struct sk_buff *skb;
2217 	int i, len = min_t(int, mvif->cfg.arp_addr_cnt,
2218 			   IEEE80211_BSS_ARP_ADDR_LIST_LEN);
2219 	struct {
2220 		struct {
2221 			u8 bss_idx;
2222 			u8 pad[3];
2223 		} __packed hdr;
2224 		struct mt76_connac_arpns_tlv arp;
2225 	} req_hdr = {
2226 		.hdr = {
2227 			.bss_idx = vif->idx,
2228 		},
2229 		.arp = {
2230 			.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ARP),
2231 			.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)),
2232 			.ips_num = len,
2233 			.mode = 2,  /* update */
2234 			.option = 1,
2235 		},
2236 	};
2237 
2238 	skb = mt76_mcu_msg_alloc(dev, NULL,
2239 				 sizeof(req_hdr) + len * sizeof(__be32));
2240 	if (!skb)
2241 		return -ENOMEM;
2242 
2243 	skb_put_data(skb, &req_hdr, sizeof(req_hdr));
2244 	for (i = 0; i < len; i++)
2245 		skb_put_data(skb, &mvif->cfg.arp_addr_list[i], sizeof(__be32));
2246 
2247 	return mt76_mcu_skb_send_msg(dev, skb, MCU_UNI_CMD(OFFLOAD), true);
2248 }
2249 EXPORT_SYMBOL_GPL(mt76_connac_mcu_update_arp_filter);
2250 
mt76_connac_mcu_set_p2p_oppps(struct ieee80211_hw * hw,struct ieee80211_vif * vif)2251 int mt76_connac_mcu_set_p2p_oppps(struct ieee80211_hw *hw,
2252 				  struct ieee80211_vif *vif)
2253 {
2254 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
2255 	int ct_window = vif->bss_conf.p2p_noa_attr.oppps_ctwindow;
2256 	struct mt76_phy *phy = hw->priv;
2257 	struct {
2258 		__le32 ct_win;
2259 		u8 bss_idx;
2260 		u8 rsv[3];
2261 	} __packed req = {
2262 		.ct_win = cpu_to_le32(ct_window),
2263 		.bss_idx = mvif->idx,
2264 	};
2265 
2266 	return mt76_mcu_send_msg(phy->dev, MCU_CE_CMD(SET_P2P_OPPPS),
2267 				 &req, sizeof(req), false);
2268 }
2269 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_p2p_oppps);
2270 
2271 #ifdef CONFIG_PM
2272 
2273 const struct wiphy_wowlan_support mt76_connac_wowlan_support = {
2274 	.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
2275 		 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | WIPHY_WOWLAN_NET_DETECT,
2276 	.n_patterns = 1,
2277 	.pattern_min_len = 1,
2278 	.pattern_max_len = MT76_CONNAC_WOW_PATTEN_MAX_LEN,
2279 	.max_nd_match_sets = 10,
2280 };
2281 EXPORT_SYMBOL_GPL(mt76_connac_wowlan_support);
2282 
2283 static void
mt76_connac_mcu_key_iter(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key,void * data)2284 mt76_connac_mcu_key_iter(struct ieee80211_hw *hw,
2285 			 struct ieee80211_vif *vif,
2286 			 struct ieee80211_sta *sta,
2287 			 struct ieee80211_key_conf *key,
2288 			 void *data)
2289 {
2290 	struct mt76_connac_gtk_rekey_tlv *gtk_tlv = data;
2291 	u32 cipher;
2292 
2293 	if (key->cipher != WLAN_CIPHER_SUITE_AES_CMAC &&
2294 	    key->cipher != WLAN_CIPHER_SUITE_CCMP &&
2295 	    key->cipher != WLAN_CIPHER_SUITE_TKIP)
2296 		return;
2297 
2298 	if (key->cipher == WLAN_CIPHER_SUITE_TKIP)
2299 		cipher = BIT(3);
2300 	else
2301 		cipher = BIT(4);
2302 
2303 	/* we are assuming here to have a single pairwise key */
2304 	if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
2305 		if (key->cipher == WLAN_CIPHER_SUITE_TKIP)
2306 			gtk_tlv->proto = cpu_to_le32(NL80211_WPA_VERSION_1);
2307 		else
2308 			gtk_tlv->proto = cpu_to_le32(NL80211_WPA_VERSION_2);
2309 
2310 		gtk_tlv->pairwise_cipher = cpu_to_le32(cipher);
2311 		gtk_tlv->keyid = key->keyidx;
2312 	} else {
2313 		gtk_tlv->group_cipher = cpu_to_le32(cipher);
2314 	}
2315 }
2316 
mt76_connac_mcu_update_gtk_rekey(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * key)2317 int mt76_connac_mcu_update_gtk_rekey(struct ieee80211_hw *hw,
2318 				     struct ieee80211_vif *vif,
2319 				     struct cfg80211_gtk_rekey_data *key)
2320 {
2321 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
2322 	struct mt76_connac_gtk_rekey_tlv *gtk_tlv;
2323 	struct mt76_phy *phy = hw->priv;
2324 	struct sk_buff *skb;
2325 	struct {
2326 		u8 bss_idx;
2327 		u8 pad[3];
2328 	} __packed hdr = {
2329 		.bss_idx = mvif->idx,
2330 	};
2331 
2332 	skb = mt76_mcu_msg_alloc(phy->dev, NULL,
2333 				 sizeof(hdr) + sizeof(*gtk_tlv));
2334 	if (!skb)
2335 		return -ENOMEM;
2336 
2337 	skb_put_data(skb, &hdr, sizeof(hdr));
2338 	gtk_tlv = (struct mt76_connac_gtk_rekey_tlv *)skb_put_zero(skb,
2339 							 sizeof(*gtk_tlv));
2340 	gtk_tlv->tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_GTK_REKEY);
2341 	gtk_tlv->len = cpu_to_le16(sizeof(*gtk_tlv));
2342 	gtk_tlv->rekey_mode = 2;
2343 	gtk_tlv->option = 1;
2344 
2345 	rcu_read_lock();
2346 	ieee80211_iter_keys_rcu(hw, vif, mt76_connac_mcu_key_iter, gtk_tlv);
2347 	rcu_read_unlock();
2348 
2349 	memcpy(gtk_tlv->kek, key->kek, NL80211_KEK_LEN);
2350 	memcpy(gtk_tlv->kck, key->kck, NL80211_KCK_LEN);
2351 	memcpy(gtk_tlv->replay_ctr, key->replay_ctr, NL80211_REPLAY_CTR_LEN);
2352 
2353 	return mt76_mcu_skb_send_msg(phy->dev, skb,
2354 				     MCU_UNI_CMD(OFFLOAD), true);
2355 }
2356 EXPORT_SYMBOL_GPL(mt76_connac_mcu_update_gtk_rekey);
2357 
2358 static int
mt76_connac_mcu_set_arp_filter(struct mt76_dev * dev,struct ieee80211_vif * vif,bool suspend)2359 mt76_connac_mcu_set_arp_filter(struct mt76_dev *dev, struct ieee80211_vif *vif,
2360 			       bool suspend)
2361 {
2362 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
2363 	struct {
2364 		struct {
2365 			u8 bss_idx;
2366 			u8 pad[3];
2367 		} __packed hdr;
2368 		struct mt76_connac_arpns_tlv arpns;
2369 	} req = {
2370 		.hdr = {
2371 			.bss_idx = mvif->idx,
2372 		},
2373 		.arpns = {
2374 			.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ARP),
2375 			.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)),
2376 			.mode = suspend,
2377 		},
2378 	};
2379 
2380 	return mt76_mcu_send_msg(dev, MCU_UNI_CMD(OFFLOAD), &req,
2381 				 sizeof(req), true);
2382 }
2383 
2384 int
mt76_connac_mcu_set_gtk_rekey(struct mt76_dev * dev,struct ieee80211_vif * vif,bool suspend)2385 mt76_connac_mcu_set_gtk_rekey(struct mt76_dev *dev, struct ieee80211_vif *vif,
2386 			      bool suspend)
2387 {
2388 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
2389 	struct {
2390 		struct {
2391 			u8 bss_idx;
2392 			u8 pad[3];
2393 		} __packed hdr;
2394 		struct mt76_connac_gtk_rekey_tlv gtk_tlv;
2395 	} __packed req = {
2396 		.hdr = {
2397 			.bss_idx = mvif->idx,
2398 		},
2399 		.gtk_tlv = {
2400 			.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_GTK_REKEY),
2401 			.len = cpu_to_le16(sizeof(struct mt76_connac_gtk_rekey_tlv)),
2402 			.rekey_mode = !suspend,
2403 		},
2404 	};
2405 
2406 	return mt76_mcu_send_msg(dev, MCU_UNI_CMD(OFFLOAD), &req,
2407 				 sizeof(req), true);
2408 }
2409 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_gtk_rekey);
2410 
2411 int
mt76_connac_mcu_set_suspend_mode(struct mt76_dev * dev,struct ieee80211_vif * vif,bool enable,u8 mdtim,bool wow_suspend)2412 mt76_connac_mcu_set_suspend_mode(struct mt76_dev *dev,
2413 				 struct ieee80211_vif *vif,
2414 				 bool enable, u8 mdtim,
2415 				 bool wow_suspend)
2416 {
2417 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
2418 	struct {
2419 		struct {
2420 			u8 bss_idx;
2421 			u8 pad[3];
2422 		} __packed hdr;
2423 		struct mt76_connac_suspend_tlv suspend_tlv;
2424 	} req = {
2425 		.hdr = {
2426 			.bss_idx = mvif->idx,
2427 		},
2428 		.suspend_tlv = {
2429 			.tag = cpu_to_le16(UNI_SUSPEND_MODE_SETTING),
2430 			.len = cpu_to_le16(sizeof(struct mt76_connac_suspend_tlv)),
2431 			.enable = enable,
2432 			.mdtim = mdtim,
2433 			.wow_suspend = wow_suspend,
2434 		},
2435 	};
2436 
2437 	return mt76_mcu_send_msg(dev, MCU_UNI_CMD(SUSPEND), &req,
2438 				 sizeof(req), true);
2439 }
2440 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_suspend_mode);
2441 
2442 static int
mt76_connac_mcu_set_wow_pattern(struct mt76_dev * dev,struct ieee80211_vif * vif,u8 index,bool enable,struct cfg80211_pkt_pattern * pattern)2443 mt76_connac_mcu_set_wow_pattern(struct mt76_dev *dev,
2444 				struct ieee80211_vif *vif,
2445 				u8 index, bool enable,
2446 				struct cfg80211_pkt_pattern *pattern)
2447 {
2448 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
2449 	struct mt76_connac_wow_pattern_tlv *ptlv;
2450 	struct sk_buff *skb;
2451 	struct req_hdr {
2452 		u8 bss_idx;
2453 		u8 pad[3];
2454 	} __packed hdr = {
2455 		.bss_idx = mvif->idx,
2456 	};
2457 
2458 	skb = mt76_mcu_msg_alloc(dev, NULL, sizeof(hdr) + sizeof(*ptlv));
2459 	if (!skb)
2460 		return -ENOMEM;
2461 
2462 	skb_put_data(skb, &hdr, sizeof(hdr));
2463 	ptlv = (struct mt76_connac_wow_pattern_tlv *)skb_put_zero(skb, sizeof(*ptlv));
2464 	ptlv->tag = cpu_to_le16(UNI_SUSPEND_WOW_PATTERN);
2465 	ptlv->len = cpu_to_le16(sizeof(*ptlv));
2466 	ptlv->data_len = pattern->pattern_len;
2467 	ptlv->enable = enable;
2468 	ptlv->index = index;
2469 
2470 	memcpy(ptlv->pattern, pattern->pattern, pattern->pattern_len);
2471 	memcpy(ptlv->mask, pattern->mask, DIV_ROUND_UP(pattern->pattern_len, 8));
2472 
2473 	return mt76_mcu_skb_send_msg(dev, skb, MCU_UNI_CMD(SUSPEND), true);
2474 }
2475 
2476 int
mt76_connac_mcu_set_wow_ctrl(struct mt76_phy * phy,struct ieee80211_vif * vif,bool suspend,struct cfg80211_wowlan * wowlan)2477 mt76_connac_mcu_set_wow_ctrl(struct mt76_phy *phy, struct ieee80211_vif *vif,
2478 			     bool suspend, struct cfg80211_wowlan *wowlan)
2479 {
2480 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
2481 	struct mt76_dev *dev = phy->dev;
2482 	struct {
2483 		struct {
2484 			u8 bss_idx;
2485 			u8 pad[3];
2486 		} __packed hdr;
2487 		struct mt76_connac_wow_ctrl_tlv wow_ctrl_tlv;
2488 		struct mt76_connac_wow_gpio_param_tlv gpio_tlv;
2489 	} req = {
2490 		.hdr = {
2491 			.bss_idx = mvif->idx,
2492 		},
2493 		.wow_ctrl_tlv = {
2494 			.tag = cpu_to_le16(UNI_SUSPEND_WOW_CTRL),
2495 			.len = cpu_to_le16(sizeof(struct mt76_connac_wow_ctrl_tlv)),
2496 			.cmd = suspend ? 1 : 2,
2497 		},
2498 		.gpio_tlv = {
2499 			.tag = cpu_to_le16(UNI_SUSPEND_WOW_GPIO_PARAM),
2500 			.len = cpu_to_le16(sizeof(struct mt76_connac_wow_gpio_param_tlv)),
2501 			.gpio_pin = 0xff, /* follow fw about GPIO pin */
2502 		},
2503 	};
2504 
2505 	if (wowlan->magic_pkt)
2506 		req.wow_ctrl_tlv.trigger |= UNI_WOW_DETECT_TYPE_MAGIC;
2507 	if (wowlan->disconnect)
2508 		req.wow_ctrl_tlv.trigger |= (UNI_WOW_DETECT_TYPE_DISCONNECT |
2509 					     UNI_WOW_DETECT_TYPE_BCN_LOST);
2510 	if (wowlan->nd_config) {
2511 		mt76_connac_mcu_sched_scan_req(phy, vif, wowlan->nd_config);
2512 		req.wow_ctrl_tlv.trigger |= UNI_WOW_DETECT_TYPE_SCH_SCAN_HIT;
2513 		mt76_connac_mcu_sched_scan_enable(phy, vif, suspend);
2514 	}
2515 	if (wowlan->n_patterns)
2516 		req.wow_ctrl_tlv.trigger |= UNI_WOW_DETECT_TYPE_BITMAP;
2517 
2518 	if (mt76_is_mmio(dev))
2519 		req.wow_ctrl_tlv.wakeup_hif = WOW_PCIE;
2520 	else if (mt76_is_usb(dev))
2521 		req.wow_ctrl_tlv.wakeup_hif = WOW_USB;
2522 	else if (mt76_is_sdio(dev))
2523 		req.wow_ctrl_tlv.wakeup_hif = WOW_GPIO;
2524 
2525 	return mt76_mcu_send_msg(dev, MCU_UNI_CMD(SUSPEND), &req,
2526 				 sizeof(req), true);
2527 }
2528 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_wow_ctrl);
2529 
mt76_connac_mcu_set_hif_suspend(struct mt76_dev * dev,bool suspend)2530 int mt76_connac_mcu_set_hif_suspend(struct mt76_dev *dev, bool suspend)
2531 {
2532 	struct {
2533 		struct {
2534 			u8 hif_type; /* 0x0: HIF_SDIO
2535 				      * 0x1: HIF_USB
2536 				      * 0x2: HIF_PCIE
2537 				      */
2538 			u8 pad[3];
2539 		} __packed hdr;
2540 		struct hif_suspend_tlv {
2541 			__le16 tag;
2542 			__le16 len;
2543 			u8 suspend;
2544 			u8 pad[7];
2545 		} __packed hif_suspend;
2546 	} req = {
2547 		.hif_suspend = {
2548 			.tag = cpu_to_le16(0), /* 0: UNI_HIF_CTRL_BASIC */
2549 			.len = cpu_to_le16(sizeof(struct hif_suspend_tlv)),
2550 			.suspend = suspend,
2551 		},
2552 	};
2553 
2554 	if (mt76_is_mmio(dev))
2555 		req.hdr.hif_type = 2;
2556 	else if (mt76_is_usb(dev))
2557 		req.hdr.hif_type = 1;
2558 	else if (mt76_is_sdio(dev))
2559 		req.hdr.hif_type = 0;
2560 
2561 	return mt76_mcu_send_msg(dev, MCU_UNI_CMD(HIF_CTRL), &req,
2562 				 sizeof(req), true);
2563 }
2564 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_hif_suspend);
2565 
mt76_connac_mcu_set_suspend_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)2566 void mt76_connac_mcu_set_suspend_iter(void *priv, u8 *mac,
2567 				      struct ieee80211_vif *vif)
2568 {
2569 	struct mt76_phy *phy = priv;
2570 	bool suspend = !test_bit(MT76_STATE_RUNNING, &phy->state);
2571 	struct ieee80211_hw *hw = phy->hw;
2572 	struct cfg80211_wowlan *wowlan = hw->wiphy->wowlan_config;
2573 	int i;
2574 
2575 	mt76_connac_mcu_set_gtk_rekey(phy->dev, vif, suspend);
2576 	mt76_connac_mcu_set_arp_filter(phy->dev, vif, suspend);
2577 
2578 	mt76_connac_mcu_set_suspend_mode(phy->dev, vif, suspend, 1, true);
2579 
2580 	for (i = 0; i < wowlan->n_patterns; i++)
2581 		mt76_connac_mcu_set_wow_pattern(phy->dev, vif, i, suspend,
2582 						&wowlan->patterns[i]);
2583 	mt76_connac_mcu_set_wow_ctrl(phy, vif, suspend, wowlan);
2584 }
2585 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_suspend_iter);
2586 #endif /* CONFIG_PM */
2587 
mt76_connac_mcu_reg_rr(struct mt76_dev * dev,u32 offset)2588 u32 mt76_connac_mcu_reg_rr(struct mt76_dev *dev, u32 offset)
2589 {
2590 	struct {
2591 		__le32 addr;
2592 		__le32 val;
2593 	} __packed req = {
2594 		.addr = cpu_to_le32(offset),
2595 	};
2596 
2597 	return mt76_mcu_send_msg(dev, MCU_CE_QUERY(REG_READ), &req,
2598 				 sizeof(req), true);
2599 }
2600 EXPORT_SYMBOL_GPL(mt76_connac_mcu_reg_rr);
2601 
mt76_connac_mcu_reg_wr(struct mt76_dev * dev,u32 offset,u32 val)2602 void mt76_connac_mcu_reg_wr(struct mt76_dev *dev, u32 offset, u32 val)
2603 {
2604 	struct {
2605 		__le32 addr;
2606 		__le32 val;
2607 	} __packed req = {
2608 		.addr = cpu_to_le32(offset),
2609 		.val = cpu_to_le32(val),
2610 	};
2611 
2612 	mt76_mcu_send_msg(dev, MCU_CE_CMD(REG_WRITE), &req,
2613 			  sizeof(req), false);
2614 }
2615 EXPORT_SYMBOL_GPL(mt76_connac_mcu_reg_wr);
2616 
2617 static int
mt76_connac_mcu_sta_key_tlv(struct mt76_connac_sta_key_conf * sta_key_conf,struct sk_buff * skb,struct ieee80211_key_conf * key,enum set_key_cmd cmd)2618 mt76_connac_mcu_sta_key_tlv(struct mt76_connac_sta_key_conf *sta_key_conf,
2619 			    struct sk_buff *skb,
2620 			    struct ieee80211_key_conf *key,
2621 			    enum set_key_cmd cmd)
2622 {
2623 	struct sta_rec_sec *sec;
2624 	u32 len = sizeof(*sec);
2625 	struct tlv *tlv;
2626 
2627 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec));
2628 	sec = (struct sta_rec_sec *)tlv;
2629 	sec->add = cmd;
2630 
2631 	if (cmd == SET_KEY) {
2632 		struct sec_key *sec_key;
2633 		u8 cipher;
2634 
2635 		cipher = mt76_connac_mcu_get_cipher(key->cipher);
2636 		if (cipher == MCU_CIPHER_NONE)
2637 			return -EOPNOTSUPP;
2638 
2639 		sec_key = &sec->key[0];
2640 		sec_key->cipher_len = sizeof(*sec_key);
2641 
2642 		if (cipher == MCU_CIPHER_BIP_CMAC_128) {
2643 			sec_key->cipher_id = MCU_CIPHER_AES_CCMP;
2644 			sec_key->key_id = sta_key_conf->keyidx;
2645 			sec_key->key_len = 16;
2646 			memcpy(sec_key->key, sta_key_conf->key, 16);
2647 
2648 			sec_key = &sec->key[1];
2649 			sec_key->cipher_id = MCU_CIPHER_BIP_CMAC_128;
2650 			sec_key->cipher_len = sizeof(*sec_key);
2651 			sec_key->key_len = 16;
2652 			memcpy(sec_key->key, key->key, 16);
2653 			sec->n_cipher = 2;
2654 		} else {
2655 			sec_key->cipher_id = cipher;
2656 			sec_key->key_id = key->keyidx;
2657 			sec_key->key_len = key->keylen;
2658 			memcpy(sec_key->key, key->key, key->keylen);
2659 
2660 			if (cipher == MCU_CIPHER_TKIP) {
2661 				/* Rx/Tx MIC keys are swapped */
2662 				memcpy(sec_key->key + 16, key->key + 24, 8);
2663 				memcpy(sec_key->key + 24, key->key + 16, 8);
2664 			}
2665 
2666 			/* store key_conf for BIP batch update */
2667 			if (cipher == MCU_CIPHER_AES_CCMP) {
2668 				memcpy(sta_key_conf->key, key->key, key->keylen);
2669 				sta_key_conf->keyidx = key->keyidx;
2670 			}
2671 
2672 			len -= sizeof(*sec_key);
2673 			sec->n_cipher = 1;
2674 		}
2675 	} else {
2676 		len -= sizeof(sec->key);
2677 		sec->n_cipher = 0;
2678 	}
2679 	sec->len = cpu_to_le16(len);
2680 
2681 	return 0;
2682 }
2683 
mt76_connac_mcu_add_key(struct mt76_dev * dev,struct ieee80211_vif * vif,struct mt76_connac_sta_key_conf * sta_key_conf,struct ieee80211_key_conf * key,int mcu_cmd,struct mt76_wcid * wcid,enum set_key_cmd cmd)2684 int mt76_connac_mcu_add_key(struct mt76_dev *dev, struct ieee80211_vif *vif,
2685 			    struct mt76_connac_sta_key_conf *sta_key_conf,
2686 			    struct ieee80211_key_conf *key, int mcu_cmd,
2687 			    struct mt76_wcid *wcid, enum set_key_cmd cmd)
2688 {
2689 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
2690 	struct sk_buff *skb;
2691 	int ret;
2692 
2693 	skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid);
2694 	if (IS_ERR(skb))
2695 		return PTR_ERR(skb);
2696 
2697 	ret = mt76_connac_mcu_sta_key_tlv(sta_key_conf, skb, key, cmd);
2698 	if (ret)
2699 		return ret;
2700 
2701 	ret = mt76_connac_mcu_sta_wed_update(dev, skb);
2702 	if (ret)
2703 		return ret;
2704 
2705 	return mt76_mcu_skb_send_msg(dev, skb, mcu_cmd, true);
2706 }
2707 EXPORT_SYMBOL_GPL(mt76_connac_mcu_add_key);
2708 
2709 /* SIFS 20us + 512 byte beacon transmitted by 1Mbps (3906us) */
2710 #define BCN_TX_ESTIMATE_TIME (4096 + 20)
mt76_connac_mcu_bss_ext_tlv(struct sk_buff * skb,struct mt76_vif * mvif)2711 void mt76_connac_mcu_bss_ext_tlv(struct sk_buff *skb, struct mt76_vif *mvif)
2712 {
2713 	struct bss_info_ext_bss *ext;
2714 	int ext_bss_idx, tsf_offset;
2715 	struct tlv *tlv;
2716 
2717 	ext_bss_idx = mvif->omac_idx - EXT_BSSID_START;
2718 	if (ext_bss_idx < 0)
2719 		return;
2720 
2721 	tlv = mt76_connac_mcu_add_tlv(skb, BSS_INFO_EXT_BSS, sizeof(*ext));
2722 
2723 	ext = (struct bss_info_ext_bss *)tlv;
2724 	tsf_offset = ext_bss_idx * BCN_TX_ESTIMATE_TIME;
2725 	ext->mbss_tsf_offset = cpu_to_le32(tsf_offset);
2726 }
2727 EXPORT_SYMBOL_GPL(mt76_connac_mcu_bss_ext_tlv);
2728 
mt76_connac_mcu_bss_basic_tlv(struct sk_buff * skb,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct mt76_phy * phy,u16 wlan_idx,bool enable)2729 int mt76_connac_mcu_bss_basic_tlv(struct sk_buff *skb,
2730 				  struct ieee80211_vif *vif,
2731 				  struct ieee80211_sta *sta,
2732 				  struct mt76_phy *phy, u16 wlan_idx,
2733 				  bool enable)
2734 {
2735 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
2736 	u32 type = vif->p2p ? NETWORK_P2P : NETWORK_INFRA;
2737 	struct bss_info_basic *bss;
2738 	struct tlv *tlv;
2739 
2740 	tlv = mt76_connac_mcu_add_tlv(skb, BSS_INFO_BASIC, sizeof(*bss));
2741 	bss = (struct bss_info_basic *)tlv;
2742 
2743 	switch (vif->type) {
2744 	case NL80211_IFTYPE_MESH_POINT:
2745 	case NL80211_IFTYPE_MONITOR:
2746 		break;
2747 	case NL80211_IFTYPE_AP:
2748 		if (ieee80211_hw_check(phy->hw, SUPPORTS_MULTI_BSSID)) {
2749 			u8 bssid_id = vif->bss_conf.bssid_indicator;
2750 			struct wiphy *wiphy = phy->hw->wiphy;
2751 
2752 			if (bssid_id > ilog2(wiphy->mbssid_max_interfaces))
2753 				return -EINVAL;
2754 
2755 			bss->non_tx_bssid = vif->bss_conf.bssid_index;
2756 			bss->max_bssid = bssid_id;
2757 		}
2758 		break;
2759 	case NL80211_IFTYPE_STATION:
2760 		if (enable) {
2761 			rcu_read_lock();
2762 			if (!sta)
2763 				sta = ieee80211_find_sta(vif,
2764 							 vif->bss_conf.bssid);
2765 			/* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
2766 			if (sta) {
2767 				struct mt76_wcid *wcid;
2768 
2769 				wcid = (struct mt76_wcid *)sta->drv_priv;
2770 				wlan_idx = wcid->idx;
2771 			}
2772 			rcu_read_unlock();
2773 		}
2774 		break;
2775 	case NL80211_IFTYPE_ADHOC:
2776 		type = NETWORK_IBSS;
2777 		break;
2778 	default:
2779 		WARN_ON(1);
2780 		break;
2781 	}
2782 
2783 	bss->network_type = cpu_to_le32(type);
2784 	bss->bmc_wcid_lo = to_wcid_lo(wlan_idx);
2785 	bss->bmc_wcid_hi = to_wcid_hi(wlan_idx);
2786 	bss->wmm_idx = mvif->wmm_idx;
2787 	bss->active = enable;
2788 	bss->cipher = mvif->cipher;
2789 
2790 	if (vif->type != NL80211_IFTYPE_MONITOR) {
2791 		struct cfg80211_chan_def *chandef = &phy->chandef;
2792 
2793 		memcpy(bss->bssid, vif->bss_conf.bssid, ETH_ALEN);
2794 		bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
2795 		bss->dtim_period = vif->bss_conf.dtim_period;
2796 		bss->phy_mode = mt76_connac_get_phy_mode(phy, vif,
2797 							 chandef->chan->band, NULL);
2798 	} else {
2799 		memcpy(bss->bssid, phy->macaddr, ETH_ALEN);
2800 	}
2801 
2802 	return 0;
2803 }
2804 EXPORT_SYMBOL_GPL(mt76_connac_mcu_bss_basic_tlv);
2805 
2806 #define ENTER_PM_STATE		1
2807 #define EXIT_PM_STATE		2
mt76_connac_mcu_set_pm(struct mt76_dev * dev,int band,int enter)2808 int mt76_connac_mcu_set_pm(struct mt76_dev *dev, int band, int enter)
2809 {
2810 	struct {
2811 		u8 pm_number;
2812 		u8 pm_state;
2813 		u8 bssid[ETH_ALEN];
2814 		u8 dtim_period;
2815 		u8 wlan_idx_lo;
2816 		__le16 bcn_interval;
2817 		__le32 aid;
2818 		__le32 rx_filter;
2819 		u8 band_idx;
2820 		u8 wlan_idx_hi;
2821 		u8 rsv[2];
2822 		__le32 feature;
2823 		u8 omac_idx;
2824 		u8 wmm_idx;
2825 		u8 bcn_loss_cnt;
2826 		u8 bcn_sp_duration;
2827 	} __packed req = {
2828 		.pm_number = 5,
2829 		.pm_state = enter ? ENTER_PM_STATE : EXIT_PM_STATE,
2830 		.band_idx = band,
2831 	};
2832 
2833 	return mt76_mcu_send_msg(dev, MCU_EXT_CMD(PM_STATE_CTRL), &req,
2834 				 sizeof(req), true);
2835 }
2836 EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_pm);
2837 
mt76_connac_mcu_restart(struct mt76_dev * dev)2838 int mt76_connac_mcu_restart(struct mt76_dev *dev)
2839 {
2840 	struct {
2841 		u8 power_mode;
2842 		u8 rsv[3];
2843 	} req = {
2844 		.power_mode = 1,
2845 	};
2846 
2847 	return mt76_mcu_send_msg(dev, MCU_CMD(NIC_POWER_CTRL), &req,
2848 				 sizeof(req), false);
2849 }
2850 EXPORT_SYMBOL_GPL(mt76_connac_mcu_restart);
2851 
mt76_connac_mcu_del_wtbl_all(struct mt76_dev * dev)2852 int mt76_connac_mcu_del_wtbl_all(struct mt76_dev *dev)
2853 {
2854 	struct wtbl_req_hdr req = {
2855 		.operation = WTBL_RESET_ALL,
2856 	};
2857 
2858 	return mt76_mcu_send_msg(dev, MCU_EXT_CMD(WTBL_UPDATE),
2859 				 &req, sizeof(req), true);
2860 }
2861 EXPORT_SYMBOL_GPL(mt76_connac_mcu_del_wtbl_all);
2862 
mt76_connac_mcu_rdd_cmd(struct mt76_dev * dev,int cmd,u8 index,u8 rx_sel,u8 val)2863 int mt76_connac_mcu_rdd_cmd(struct mt76_dev *dev, int cmd, u8 index,
2864 			    u8 rx_sel, u8 val)
2865 {
2866 	struct {
2867 		u8 ctrl;
2868 		u8 rdd_idx;
2869 		u8 rdd_rx_sel;
2870 		u8 val;
2871 		u8 rsv[4];
2872 	} __packed req = {
2873 		.ctrl = cmd,
2874 		.rdd_idx = index,
2875 		.rdd_rx_sel = rx_sel,
2876 		.val = val,
2877 	};
2878 
2879 	return mt76_mcu_send_msg(dev, MCU_EXT_CMD(SET_RDD_CTRL), &req,
2880 				 sizeof(req), true);
2881 }
2882 EXPORT_SYMBOL_GPL(mt76_connac_mcu_rdd_cmd);
2883 
2884 static int
mt76_connac_mcu_send_ram_firmware(struct mt76_dev * dev,const struct mt76_connac2_fw_trailer * hdr,const u8 * data,bool is_wa)2885 mt76_connac_mcu_send_ram_firmware(struct mt76_dev *dev,
2886 				  const struct mt76_connac2_fw_trailer *hdr,
2887 				  const u8 *data, bool is_wa)
2888 {
2889 	int i, offset = 0, max_len = mt76_is_sdio(dev) ? 2048 : 4096;
2890 	u32 override = 0, option = 0;
2891 
2892 	for (i = 0; i < hdr->n_region; i++) {
2893 		const struct mt76_connac2_fw_region *region;
2894 		u32 len, addr, mode;
2895 		int err;
2896 
2897 		region = (const void *)((const u8 *)hdr -
2898 					(hdr->n_region - i) * sizeof(*region));
2899 		mode = mt76_connac_mcu_gen_dl_mode(dev, region->feature_set,
2900 						   is_wa);
2901 		len = le32_to_cpu(region->len);
2902 		addr = le32_to_cpu(region->addr);
2903 
2904 		if (region->feature_set & FW_FEATURE_NON_DL)
2905 			goto next;
2906 
2907 		if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR)
2908 			override = addr;
2909 
2910 		err = mt76_connac_mcu_init_download(dev, addr, len, mode);
2911 		if (err) {
2912 			dev_err(dev->dev, "Download request failed\n");
2913 			return err;
2914 		}
2915 
2916 		err = __mt76_mcu_send_firmware(dev, MCU_CMD(FW_SCATTER),
2917 					       data + offset, len, max_len);
2918 		if (err) {
2919 			dev_err(dev->dev, "Failed to send firmware.\n");
2920 			return err;
2921 		}
2922 
2923 next:
2924 		offset += len;
2925 	}
2926 
2927 	if (override)
2928 		option |= FW_START_OVERRIDE;
2929 	if (is_wa)
2930 		option |= FW_START_WORKING_PDA_CR4;
2931 
2932 	return mt76_connac_mcu_start_firmware(dev, override, option);
2933 }
2934 
mt76_connac2_load_ram(struct mt76_dev * dev,const char * fw_wm,const char * fw_wa)2935 int mt76_connac2_load_ram(struct mt76_dev *dev, const char *fw_wm,
2936 			  const char *fw_wa)
2937 {
2938 	const struct mt76_connac2_fw_trailer *hdr;
2939 	const struct firmware *fw;
2940 	int ret;
2941 
2942 	ret = request_firmware(&fw, fw_wm, dev->dev);
2943 	if (ret)
2944 		return ret;
2945 
2946 	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
2947 		dev_err(dev->dev, "Invalid firmware\n");
2948 		ret = -EINVAL;
2949 		goto out;
2950 	}
2951 
2952 	hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
2953 	dev_info(dev->dev, "WM Firmware Version: %.10s, Build Time: %.15s\n",
2954 		 hdr->fw_ver, hdr->build_date);
2955 
2956 	ret = mt76_connac_mcu_send_ram_firmware(dev, hdr, fw->data, false);
2957 	if (ret) {
2958 		dev_err(dev->dev, "Failed to start WM firmware\n");
2959 		goto out;
2960 	}
2961 
2962 	snprintf(dev->hw->wiphy->fw_version,
2963 		 sizeof(dev->hw->wiphy->fw_version),
2964 		 "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
2965 
2966 	release_firmware(fw);
2967 
2968 	if (!fw_wa)
2969 		return 0;
2970 
2971 	ret = request_firmware(&fw, fw_wa, dev->dev);
2972 	if (ret)
2973 		return ret;
2974 
2975 	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
2976 		dev_err(dev->dev, "Invalid firmware\n");
2977 		ret = -EINVAL;
2978 		goto out;
2979 	}
2980 
2981 	hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
2982 	dev_info(dev->dev, "WA Firmware Version: %.10s, Build Time: %.15s\n",
2983 		 hdr->fw_ver, hdr->build_date);
2984 
2985 	ret = mt76_connac_mcu_send_ram_firmware(dev, hdr, fw->data, true);
2986 	if (ret) {
2987 		dev_err(dev->dev, "Failed to start WA firmware\n");
2988 		goto out;
2989 	}
2990 
2991 	snprintf(dev->hw->wiphy->fw_version,
2992 		 sizeof(dev->hw->wiphy->fw_version),
2993 		 "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
2994 
2995 out:
2996 	release_firmware(fw);
2997 
2998 	return ret;
2999 }
3000 EXPORT_SYMBOL_GPL(mt76_connac2_load_ram);
3001 
mt76_connac2_get_data_mode(struct mt76_dev * dev,u32 info)3002 static u32 mt76_connac2_get_data_mode(struct mt76_dev *dev, u32 info)
3003 {
3004 	u32 mode = DL_MODE_NEED_RSP;
3005 
3006 	if ((!is_mt7921(dev) && !is_mt7925(dev)) || info == PATCH_SEC_NOT_SUPPORT)
3007 		return mode;
3008 
3009 	switch (FIELD_GET(PATCH_SEC_ENC_TYPE_MASK, info)) {
3010 	case PATCH_SEC_ENC_TYPE_PLAIN:
3011 		break;
3012 	case PATCH_SEC_ENC_TYPE_AES:
3013 		mode |= DL_MODE_ENCRYPT;
3014 		mode |= FIELD_PREP(DL_MODE_KEY_IDX,
3015 				(info & PATCH_SEC_ENC_AES_KEY_MASK)) & DL_MODE_KEY_IDX;
3016 		mode |= DL_MODE_RESET_SEC_IV;
3017 		break;
3018 	case PATCH_SEC_ENC_TYPE_SCRAMBLE:
3019 		mode |= DL_MODE_ENCRYPT;
3020 		mode |= DL_CONFIG_ENCRY_MODE_SEL;
3021 		mode |= DL_MODE_RESET_SEC_IV;
3022 		break;
3023 	default:
3024 		dev_err(dev->dev, "Encryption type not support!\n");
3025 	}
3026 
3027 	return mode;
3028 }
3029 
mt76_connac2_load_patch(struct mt76_dev * dev,const char * fw_name)3030 int mt76_connac2_load_patch(struct mt76_dev *dev, const char *fw_name)
3031 {
3032 	int i, ret, sem, max_len = mt76_is_sdio(dev) ? 2048 : 4096;
3033 	const struct mt76_connac2_patch_hdr *hdr;
3034 	const struct firmware *fw = NULL;
3035 
3036 	sem = mt76_connac_mcu_patch_sem_ctrl(dev, true);
3037 	switch (sem) {
3038 	case PATCH_IS_DL:
3039 		return 0;
3040 	case PATCH_NOT_DL_SEM_SUCCESS:
3041 		break;
3042 	default:
3043 		dev_err(dev->dev, "Failed to get patch semaphore\n");
3044 		return -EAGAIN;
3045 	}
3046 
3047 	ret = request_firmware(&fw, fw_name, dev->dev);
3048 	if (ret)
3049 		goto out;
3050 
3051 	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
3052 		dev_err(dev->dev, "Invalid firmware\n");
3053 		ret = -EINVAL;
3054 		goto out;
3055 	}
3056 
3057 	hdr = (const void *)fw->data;
3058 	dev_info(dev->dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
3059 		 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
3060 
3061 	for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) {
3062 		struct mt76_connac2_patch_sec *sec;
3063 		u32 len, addr, mode;
3064 		const u8 *dl;
3065 		u32 sec_info;
3066 
3067 		sec = (void *)(fw->data + sizeof(*hdr) + i * sizeof(*sec));
3068 		if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) !=
3069 		    PATCH_SEC_TYPE_INFO) {
3070 			ret = -EINVAL;
3071 			goto out;
3072 		}
3073 
3074 		addr = be32_to_cpu(sec->info.addr);
3075 		len = be32_to_cpu(sec->info.len);
3076 		dl = fw->data + be32_to_cpu(sec->offs);
3077 		sec_info = be32_to_cpu(sec->info.sec_key_idx);
3078 		mode = mt76_connac2_get_data_mode(dev, sec_info);
3079 
3080 		ret = mt76_connac_mcu_init_download(dev, addr, len, mode);
3081 		if (ret) {
3082 			dev_err(dev->dev, "Download request failed\n");
3083 			goto out;
3084 		}
3085 
3086 		ret = __mt76_mcu_send_firmware(dev, MCU_CMD(FW_SCATTER),
3087 					       dl, len, max_len);
3088 		if (ret) {
3089 			dev_err(dev->dev, "Failed to send patch\n");
3090 			goto out;
3091 		}
3092 	}
3093 
3094 	ret = mt76_connac_mcu_start_patch(dev);
3095 	if (ret)
3096 		dev_err(dev->dev, "Failed to start patch\n");
3097 
3098 out:
3099 	sem = mt76_connac_mcu_patch_sem_ctrl(dev, false);
3100 	switch (sem) {
3101 	case PATCH_REL_SEM_SUCCESS:
3102 		break;
3103 	default:
3104 		ret = -EAGAIN;
3105 		dev_err(dev->dev, "Failed to release patch semaphore\n");
3106 		break;
3107 	}
3108 
3109 	release_firmware(fw);
3110 
3111 	return ret;
3112 }
3113 EXPORT_SYMBOL_GPL(mt76_connac2_load_patch);
3114 
mt76_connac2_mcu_fill_message(struct mt76_dev * dev,struct sk_buff * skb,int cmd,int * wait_seq)3115 int mt76_connac2_mcu_fill_message(struct mt76_dev *dev, struct sk_buff *skb,
3116 				  int cmd, int *wait_seq)
3117 {
3118 	int txd_len, mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
3119 	struct mt76_connac2_mcu_uni_txd *uni_txd;
3120 	struct mt76_connac2_mcu_txd *mcu_txd;
3121 	__le32 *txd;
3122 	u32 val;
3123 	u8 seq;
3124 
3125 	/* TODO: make dynamic based on msg type */
3126 	dev->mcu.timeout = 20 * HZ;
3127 
3128 	seq = ++dev->mcu.msg_seq & 0xf;
3129 	if (!seq)
3130 		seq = ++dev->mcu.msg_seq & 0xf;
3131 
3132 	if (cmd == MCU_CMD(FW_SCATTER))
3133 		goto exit;
3134 
3135 	txd_len = cmd & __MCU_CMD_FIELD_UNI ? sizeof(*uni_txd) : sizeof(*mcu_txd);
3136 	txd = (__le32 *)skb_push(skb, txd_len);
3137 
3138 	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
3139 	      FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CMD) |
3140 	      FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_MCU_PORT_RX_Q0);
3141 	txd[0] = cpu_to_le32(val);
3142 
3143 	val = MT_TXD1_LONG_FORMAT |
3144 	      FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
3145 	txd[1] = cpu_to_le32(val);
3146 
3147 	if (cmd & __MCU_CMD_FIELD_UNI) {
3148 		uni_txd = (struct mt76_connac2_mcu_uni_txd *)txd;
3149 		uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd));
3150 		uni_txd->option = MCU_CMD_UNI_EXT_ACK;
3151 		uni_txd->cid = cpu_to_le16(mcu_cmd);
3152 		uni_txd->s2d_index = MCU_S2D_H2N;
3153 		uni_txd->pkt_type = MCU_PKT_ID;
3154 		uni_txd->seq = seq;
3155 
3156 		goto exit;
3157 	}
3158 
3159 	mcu_txd = (struct mt76_connac2_mcu_txd *)txd;
3160 	mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
3161 	mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU,
3162 					       MT_TX_MCU_PORT_RX_Q0));
3163 	mcu_txd->pkt_type = MCU_PKT_ID;
3164 	mcu_txd->seq = seq;
3165 	mcu_txd->cid = mcu_cmd;
3166 	mcu_txd->ext_cid = FIELD_GET(__MCU_CMD_FIELD_EXT_ID, cmd);
3167 
3168 	if (mcu_txd->ext_cid || (cmd & __MCU_CMD_FIELD_CE)) {
3169 		if (cmd & __MCU_CMD_FIELD_QUERY)
3170 			mcu_txd->set_query = MCU_Q_QUERY;
3171 		else
3172 			mcu_txd->set_query = MCU_Q_SET;
3173 		mcu_txd->ext_cid_ack = !!mcu_txd->ext_cid;
3174 	} else {
3175 		mcu_txd->set_query = MCU_Q_NA;
3176 	}
3177 
3178 	if (cmd & __MCU_CMD_FIELD_WA)
3179 		mcu_txd->s2d_index = MCU_S2D_H2C;
3180 	else
3181 		mcu_txd->s2d_index = MCU_S2D_H2N;
3182 
3183 exit:
3184 	if (wait_seq)
3185 		*wait_seq = seq;
3186 
3187 	return 0;
3188 }
3189 EXPORT_SYMBOL_GPL(mt76_connac2_mcu_fill_message);
3190 
3191 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
3192 MODULE_DESCRIPTION("MediaTek MT76x connac layer helpers");
3193 MODULE_LICENSE("Dual BSD/GPL");
3194