1 // SPDX-License-Identifier: GPL-2.0+
2 /* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */
3 
4 #include <linux/kernel.h>
5 #include <linux/etherdevice.h>
6 #include <linux/vmalloc.h>
7 #include <linux/ieee80211.h>
8 #include <net/cfg80211.h>
9 #include <net/netlink.h>
10 
11 #include "cfg80211.h"
12 #include "commands.h"
13 #include "core.h"
14 #include "util.h"
15 #include "bus.h"
16 
17 /* Supported rates to be advertised to the cfg80211 */
18 static struct ieee80211_rate qtnf_rates_2g[] = {
19 	{.bitrate = 10, .hw_value = 2, },
20 	{.bitrate = 20, .hw_value = 4, },
21 	{.bitrate = 55, .hw_value = 11, },
22 	{.bitrate = 110, .hw_value = 22, },
23 	{.bitrate = 60, .hw_value = 12, },
24 	{.bitrate = 90, .hw_value = 18, },
25 	{.bitrate = 120, .hw_value = 24, },
26 	{.bitrate = 180, .hw_value = 36, },
27 	{.bitrate = 240, .hw_value = 48, },
28 	{.bitrate = 360, .hw_value = 72, },
29 	{.bitrate = 480, .hw_value = 96, },
30 	{.bitrate = 540, .hw_value = 108, },
31 };
32 
33 /* Supported rates to be advertised to the cfg80211 */
34 static struct ieee80211_rate qtnf_rates_5g[] = {
35 	{.bitrate = 60, .hw_value = 12, },
36 	{.bitrate = 90, .hw_value = 18, },
37 	{.bitrate = 120, .hw_value = 24, },
38 	{.bitrate = 180, .hw_value = 36, },
39 	{.bitrate = 240, .hw_value = 48, },
40 	{.bitrate = 360, .hw_value = 72, },
41 	{.bitrate = 480, .hw_value = 96, },
42 	{.bitrate = 540, .hw_value = 108, },
43 };
44 
45 /* Supported crypto cipher suits to be advertised to cfg80211 */
46 static const u32 qtnf_cipher_suites[] = {
47 	WLAN_CIPHER_SUITE_TKIP,
48 	WLAN_CIPHER_SUITE_CCMP,
49 	WLAN_CIPHER_SUITE_AES_CMAC,
50 };
51 
52 /* Supported mgmt frame types to be advertised to cfg80211 */
53 static const struct ieee80211_txrx_stypes
54 qtnf_mgmt_stypes[NUM_NL80211_IFTYPES] = {
55 	[NL80211_IFTYPE_STATION] = {
56 		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
57 		      BIT(IEEE80211_STYPE_AUTH >> 4),
58 		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
59 		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
60 		      BIT(IEEE80211_STYPE_AUTH >> 4),
61 	},
62 	[NL80211_IFTYPE_AP] = {
63 		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
64 		      BIT(IEEE80211_STYPE_AUTH >> 4),
65 		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
66 		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
67 		      BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
68 		      BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
69 		      BIT(IEEE80211_STYPE_AUTH >> 4),
70 	},
71 };
72 
73 static int
74 qtnf_validate_iface_combinations(struct wiphy *wiphy,
75 				 struct qtnf_vif *change_vif,
76 				 enum nl80211_iftype new_type)
77 {
78 	struct qtnf_wmac *mac;
79 	struct qtnf_vif *vif;
80 	int i;
81 	int ret = 0;
82 	struct iface_combination_params params = {
83 		.num_different_channels = 1,
84 	};
85 
86 	mac = wiphy_priv(wiphy);
87 	if (!mac)
88 		return -EFAULT;
89 
90 	for (i = 0; i < QTNF_MAX_INTF; i++) {
91 		vif = &mac->iflist[i];
92 		if (vif->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED)
93 			params.iftype_num[vif->wdev.iftype]++;
94 	}
95 
96 	if (change_vif) {
97 		params.iftype_num[new_type]++;
98 		params.iftype_num[change_vif->wdev.iftype]--;
99 	} else {
100 		params.iftype_num[new_type]++;
101 	}
102 
103 	ret = cfg80211_check_combinations(wiphy, &params);
104 
105 	if (ret)
106 		return ret;
107 
108 	/* Check repeater interface combination: primary VIF should be STA only.
109 	 * STA (primary) + AP (secondary) is OK.
110 	 * AP (primary) + STA (secondary) is not supported.
111 	 */
112 	vif = qtnf_mac_get_base_vif(mac);
113 	if (vif && vif->wdev.iftype == NL80211_IFTYPE_AP &&
114 	    vif != change_vif && new_type == NL80211_IFTYPE_STATION) {
115 		ret = -EINVAL;
116 		pr_err("MAC%u invalid combination: AP as primary repeater interface is not supported\n",
117 		       mac->macid);
118 	}
119 
120 	return ret;
121 }
122 
123 static int
124 qtnf_change_virtual_intf(struct wiphy *wiphy,
125 			 struct net_device *dev,
126 			 enum nl80211_iftype type,
127 			 struct vif_params *params)
128 {
129 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
130 	u8 *mac_addr = NULL;
131 	int use4addr = 0;
132 	int ret;
133 
134 	ret = qtnf_validate_iface_combinations(wiphy, vif, type);
135 	if (ret) {
136 		pr_err("VIF%u.%u combination check: failed to set type %d\n",
137 		       vif->mac->macid, vif->vifid, type);
138 		return ret;
139 	}
140 
141 	if (params) {
142 		mac_addr = params->macaddr;
143 		use4addr = params->use_4addr;
144 	}
145 
146 	qtnf_scan_done(vif->mac, true);
147 
148 	ret = qtnf_cmd_send_change_intf_type(vif, type, use4addr, mac_addr);
149 	if (ret) {
150 		pr_err("VIF%u.%u: failed to change type to %d\n",
151 		       vif->mac->macid, vif->vifid, type);
152 		return ret;
153 	}
154 
155 	vif->wdev.iftype = type;
156 	return 0;
157 }
158 
159 int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
160 {
161 	struct net_device *netdev =  wdev->netdev;
162 	struct qtnf_vif *vif;
163 	struct sk_buff *skb;
164 
165 	if (WARN_ON(!netdev))
166 		return -EFAULT;
167 
168 	vif = qtnf_netdev_get_priv(wdev->netdev);
169 
170 	qtnf_scan_done(vif->mac, true);
171 
172 	/* Stop data */
173 	netif_tx_stop_all_queues(netdev);
174 	if (netif_carrier_ok(netdev))
175 		netif_carrier_off(netdev);
176 
177 	while ((skb = skb_dequeue(&vif->high_pri_tx_queue)))
178 		dev_kfree_skb_any(skb);
179 
180 	cancel_work_sync(&vif->high_pri_tx_work);
181 
182 	if (netdev->reg_state == NETREG_REGISTERED)
183 		cfg80211_unregister_netdevice(netdev);
184 
185 	if (qtnf_cmd_send_del_intf(vif))
186 		pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid,
187 		       vif->vifid);
188 
189 	vif->netdev->ieee80211_ptr = NULL;
190 	vif->netdev = NULL;
191 	vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
192 
193 	return 0;
194 }
195 
196 static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy,
197 						  const char *name,
198 						  unsigned char name_assign_t,
199 						  enum nl80211_iftype type,
200 						  struct vif_params *params)
201 {
202 	struct qtnf_wmac *mac;
203 	struct qtnf_vif *vif;
204 	u8 *mac_addr = NULL;
205 	int use4addr = 0;
206 	int ret;
207 
208 	mac = wiphy_priv(wiphy);
209 
210 	if (!mac)
211 		return ERR_PTR(-EFAULT);
212 
213 	ret = qtnf_validate_iface_combinations(wiphy, NULL, type);
214 	if (ret) {
215 		pr_err("MAC%u invalid combination: failed to add type %d\n",
216 		       mac->macid, type);
217 		return ERR_PTR(ret);
218 	}
219 
220 	switch (type) {
221 	case NL80211_IFTYPE_STATION:
222 	case NL80211_IFTYPE_AP:
223 		vif = qtnf_mac_get_free_vif(mac);
224 		if (!vif) {
225 			pr_err("MAC%u: no free VIF available\n", mac->macid);
226 			return ERR_PTR(-EFAULT);
227 		}
228 
229 		eth_zero_addr(vif->mac_addr);
230 		eth_zero_addr(vif->bssid);
231 		vif->bss_priority = QTNF_DEF_BSS_PRIORITY;
232 		memset(&vif->wdev, 0, sizeof(vif->wdev));
233 		vif->wdev.wiphy = wiphy;
234 		vif->wdev.iftype = type;
235 		break;
236 	default:
237 		pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type);
238 		return ERR_PTR(-ENOTSUPP);
239 	}
240 
241 	if (params) {
242 		mac_addr = params->macaddr;
243 		use4addr = params->use_4addr;
244 	}
245 
246 	ret = qtnf_cmd_send_add_intf(vif, type, use4addr, mac_addr);
247 	if (ret) {
248 		pr_err("VIF%u.%u: failed to add VIF %pM\n",
249 		       mac->macid, vif->vifid, mac_addr);
250 		goto err_cmd;
251 	}
252 
253 	if (!is_valid_ether_addr(vif->mac_addr)) {
254 		pr_err("VIF%u.%u: FW reported bad MAC: %pM\n",
255 		       mac->macid, vif->vifid, vif->mac_addr);
256 		ret = -EINVAL;
257 		goto error_del_vif;
258 	}
259 
260 	ret = qtnf_core_net_attach(mac, vif, name, name_assign_t);
261 	if (ret) {
262 		pr_err("VIF%u.%u: failed to attach netdev\n", mac->macid,
263 		       vif->vifid);
264 		goto error_del_vif;
265 	}
266 
267 	if (qtnf_hwcap_is_set(&mac->bus->hw_info, QLINK_HW_CAPAB_HW_BRIDGE)) {
268 		ret = qtnf_cmd_netdev_changeupper(vif, vif->netdev->ifindex);
269 		if (ret) {
270 			cfg80211_unregister_netdevice(vif->netdev);
271 			vif->netdev = NULL;
272 			goto error_del_vif;
273 		}
274 	}
275 
276 	vif->wdev.netdev = vif->netdev;
277 	return &vif->wdev;
278 
279 error_del_vif:
280 	qtnf_cmd_send_del_intf(vif);
281 err_cmd:
282 	vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
283 
284 	return ERR_PTR(ret);
285 }
286 
287 static int qtnf_mgmt_set_appie(struct qtnf_vif *vif,
288 			       const struct cfg80211_beacon_data *info)
289 {
290 	int ret = 0;
291 
292 	if (!info->beacon_ies || !info->beacon_ies_len) {
293 		ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES,
294 						   NULL, 0);
295 	} else {
296 		ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES,
297 						   info->beacon_ies,
298 						   info->beacon_ies_len);
299 	}
300 
301 	if (ret)
302 		goto out;
303 
304 	if (!info->proberesp_ies || !info->proberesp_ies_len) {
305 		ret = qtnf_cmd_send_mgmt_set_appie(vif,
306 						   QLINK_IE_SET_PROBE_RESP_IES,
307 						   NULL, 0);
308 	} else {
309 		ret = qtnf_cmd_send_mgmt_set_appie(vif,
310 						   QLINK_IE_SET_PROBE_RESP_IES,
311 						   info->proberesp_ies,
312 						   info->proberesp_ies_len);
313 	}
314 
315 	if (ret)
316 		goto out;
317 
318 	if (!info->assocresp_ies || !info->assocresp_ies_len) {
319 		ret = qtnf_cmd_send_mgmt_set_appie(vif,
320 						   QLINK_IE_SET_ASSOC_RESP,
321 						   NULL, 0);
322 	} else {
323 		ret = qtnf_cmd_send_mgmt_set_appie(vif,
324 						   QLINK_IE_SET_ASSOC_RESP,
325 						   info->assocresp_ies,
326 						   info->assocresp_ies_len);
327 	}
328 
329 out:
330 	return ret;
331 }
332 
333 static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev,
334 			      struct cfg80211_beacon_data *info)
335 {
336 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
337 
338 	return qtnf_mgmt_set_appie(vif, info);
339 }
340 
341 static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev,
342 			 struct cfg80211_ap_settings *settings)
343 {
344 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
345 	int ret;
346 
347 	ret = qtnf_cmd_send_start_ap(vif, settings);
348 	if (ret)
349 		pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid,
350 		       vif->vifid);
351 
352 	return ret;
353 }
354 
355 static int qtnf_stop_ap(struct wiphy *wiphy, struct net_device *dev,
356 			unsigned int link_id)
357 {
358 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
359 	int ret;
360 
361 	qtnf_scan_done(vif->mac, true);
362 
363 	ret = qtnf_cmd_send_stop_ap(vif);
364 	if (ret)
365 		pr_err("VIF%u.%u: failed to stop AP operation in FW\n",
366 		       vif->mac->macid, vif->vifid);
367 
368 	netif_carrier_off(vif->netdev);
369 
370 	return ret;
371 }
372 
373 static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed)
374 {
375 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
376 	struct qtnf_vif *vif;
377 	int ret;
378 
379 	vif = qtnf_mac_get_base_vif(mac);
380 	if (!vif) {
381 		pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
382 		return -EFAULT;
383 	}
384 
385 	ret = qtnf_cmd_send_update_phy_params(mac, changed);
386 	if (ret)
387 		pr_err("MAC%u: failed to update PHY params\n", mac->macid);
388 
389 	return ret;
390 }
391 
392 static void
393 qtnf_update_mgmt_frame_registrations(struct wiphy *wiphy,
394 				     struct wireless_dev *wdev,
395 				     struct mgmt_frame_regs *upd)
396 {
397 	struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
398 	u16 new_mask = upd->interface_stypes;
399 	u16 old_mask = vif->mgmt_frames_bitmask;
400 	static const struct {
401 		u16 mask, qlink_type;
402 	} updates[] = {
403 		{
404 			.mask = BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
405 				BIT(IEEE80211_STYPE_ASSOC_REQ >> 4),
406 			.qlink_type = QLINK_MGMT_FRAME_ASSOC_REQ,
407 		},
408 		{
409 			.mask = BIT(IEEE80211_STYPE_AUTH >> 4),
410 			.qlink_type = QLINK_MGMT_FRAME_AUTH,
411 		},
412 		{
413 			.mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
414 			.qlink_type = QLINK_MGMT_FRAME_PROBE_REQ,
415 		},
416 		{
417 			.mask = BIT(IEEE80211_STYPE_ACTION >> 4),
418 			.qlink_type = QLINK_MGMT_FRAME_ACTION,
419 		},
420 	};
421 	unsigned int i;
422 
423 	if (new_mask == old_mask)
424 		return;
425 
426 	for (i = 0; i < ARRAY_SIZE(updates); i++) {
427 		u16 mask = updates[i].mask;
428 		u16 qlink_frame_type = updates[i].qlink_type;
429 		bool reg;
430 
431 		/* the ! are here due to the assoc/reassoc merge */
432 		if (!(new_mask & mask) == !(old_mask & mask))
433 			continue;
434 
435 		reg = new_mask & mask;
436 
437 		if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg))
438 			pr_warn("VIF%u.%u: failed to %sregister qlink frame type 0x%x\n",
439 				vif->mac->macid, vif->vifid, reg ? "" : "un",
440 				qlink_frame_type);
441 	}
442 
443 	vif->mgmt_frames_bitmask = new_mask;
444 }
445 
446 static int
447 qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
448 	     struct cfg80211_mgmt_tx_params *params, u64 *cookie)
449 {
450 	struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
451 	const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf;
452 	u32 short_cookie = get_random_u32();
453 	u16 flags = 0;
454 	u16 freq;
455 
456 	*cookie = short_cookie;
457 
458 	if (params->offchan)
459 		flags |= QLINK_FRAME_TX_FLAG_OFFCHAN;
460 
461 	if (params->no_cck)
462 		flags |= QLINK_FRAME_TX_FLAG_NO_CCK;
463 
464 	if (params->dont_wait_for_ack)
465 		flags |= QLINK_FRAME_TX_FLAG_ACK_NOWAIT;
466 
467 	/* If channel is not specified, pass "freq = 0" to tell device
468 	 * firmware to use current channel.
469 	 */
470 	if (params->chan)
471 		freq = params->chan->center_freq;
472 	else
473 		freq = 0;
474 
475 	pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n",
476 		 wdev->netdev->name, freq,
477 		 le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da,
478 		 params->len, short_cookie, flags);
479 
480 	return qtnf_cmd_send_frame(vif, short_cookie, flags,
481 				   freq, params->buf, params->len);
482 }
483 
484 static int
485 qtnf_get_station(struct wiphy *wiphy, struct net_device *dev,
486 		 const u8 *mac, struct station_info *sinfo)
487 {
488 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
489 
490 	sinfo->generation = vif->generation;
491 	return qtnf_cmd_get_sta_info(vif, mac, sinfo);
492 }
493 
494 static int
495 qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev,
496 		  int idx, u8 *mac, struct station_info *sinfo)
497 {
498 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
499 	const struct qtnf_sta_node *sta_node;
500 	int ret;
501 
502 	switch (vif->wdev.iftype) {
503 	case NL80211_IFTYPE_STATION:
504 		if (idx != 0 || !vif->wdev.connected)
505 			return -ENOENT;
506 
507 		ether_addr_copy(mac, vif->bssid);
508 		break;
509 	case NL80211_IFTYPE_AP:
510 		sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx);
511 		if (unlikely(!sta_node))
512 			return -ENOENT;
513 
514 		ether_addr_copy(mac, sta_node->mac_addr);
515 		break;
516 	default:
517 		return -ENOTSUPP;
518 	}
519 
520 	ret = qtnf_cmd_get_sta_info(vif, mac, sinfo);
521 
522 	if (vif->wdev.iftype == NL80211_IFTYPE_AP) {
523 		if (ret == -ENOENT) {
524 			cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL);
525 			sinfo->filled = 0;
526 		}
527 	}
528 
529 	sinfo->generation = vif->generation;
530 
531 	return ret;
532 }
533 
534 static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev,
535 			int link_id, u8 key_index, bool pairwise,
536 			const u8 *mac_addr, struct key_params *params)
537 {
538 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
539 	int ret;
540 
541 	ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params);
542 	if (ret)
543 		pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n",
544 		       vif->mac->macid, vif->vifid, params->cipher, key_index,
545 		       pairwise);
546 
547 	return ret;
548 }
549 
550 static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev,
551 			int link_id, u8 key_index, bool pairwise,
552 			const u8 *mac_addr)
553 {
554 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
555 	int ret;
556 
557 	ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr);
558 	if (ret) {
559 		if (ret == -ENOENT) {
560 			pr_debug("VIF%u.%u: key index %d out of bounds\n",
561 				 vif->mac->macid, vif->vifid, key_index);
562 		} else {
563 			pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n",
564 			       vif->mac->macid, vif->vifid,
565 			       key_index, pairwise);
566 		}
567 	}
568 
569 	return ret;
570 }
571 
572 static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev,
573 				int link_id, u8 key_index, bool unicast,
574 				bool multicast)
575 {
576 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
577 	int ret;
578 
579 	ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast);
580 	if (ret)
581 		pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n",
582 		       vif->mac->macid, vif->vifid, key_index, unicast,
583 		       multicast);
584 
585 	return ret;
586 }
587 
588 static int
589 qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev,
590 			  int link_id, u8 key_index)
591 {
592 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
593 	int ret;
594 
595 	ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index);
596 	if (ret)
597 		pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n",
598 		       vif->mac->macid, vif->vifid, key_index);
599 
600 	return ret;
601 }
602 
603 static int
604 qtnf_change_station(struct wiphy *wiphy, struct net_device *dev,
605 		    const u8 *mac, struct station_parameters *params)
606 {
607 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
608 	int ret;
609 
610 	ret = qtnf_cmd_send_change_sta(vif, mac, params);
611 	if (ret)
612 		pr_err("VIF%u.%u: failed to change STA %pM\n",
613 		       vif->mac->macid, vif->vifid, mac);
614 
615 	return ret;
616 }
617 
618 static int
619 qtnf_del_station(struct wiphy *wiphy, struct net_device *dev,
620 		 struct station_del_parameters *params)
621 {
622 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
623 	int ret;
624 
625 	if (params->mac &&
626 	    (vif->wdev.iftype == NL80211_IFTYPE_AP) &&
627 	    !is_broadcast_ether_addr(params->mac) &&
628 	    !qtnf_sta_list_lookup(&vif->sta_list, params->mac))
629 		return 0;
630 
631 	ret = qtnf_cmd_send_del_sta(vif, params);
632 	if (ret)
633 		pr_err("VIF%u.%u: failed to delete STA %pM\n",
634 		       vif->mac->macid, vif->vifid, params->mac);
635 
636 	return ret;
637 }
638 
639 static int
640 qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
641 {
642 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
643 	int ret;
644 
645 	cancel_delayed_work_sync(&mac->scan_timeout);
646 
647 	mac->scan_req = request;
648 
649 	ret = qtnf_cmd_send_scan(mac);
650 	if (ret) {
651 		pr_err("MAC%u: failed to start scan\n", mac->macid);
652 		mac->scan_req = NULL;
653 		goto out;
654 	}
655 
656 	pr_debug("MAC%u: scan started\n", mac->macid);
657 	queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout,
658 			   QTNF_SCAN_TIMEOUT_SEC * HZ);
659 
660 out:
661 	return ret;
662 }
663 
664 static int
665 qtnf_connect(struct wiphy *wiphy, struct net_device *dev,
666 	     struct cfg80211_connect_params *sme)
667 {
668 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
669 	int ret;
670 
671 	if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
672 		return -EOPNOTSUPP;
673 
674 	if (sme->auth_type == NL80211_AUTHTYPE_SAE &&
675 	    !(sme->flags & CONNECT_REQ_EXTERNAL_AUTH_SUPPORT)) {
676 		pr_err("can not offload authentication to userspace\n");
677 		return -EOPNOTSUPP;
678 	}
679 
680 	if (sme->bssid)
681 		ether_addr_copy(vif->bssid, sme->bssid);
682 	else
683 		eth_zero_addr(vif->bssid);
684 
685 	ret = qtnf_cmd_send_connect(vif, sme);
686 	if (ret)
687 		pr_err("VIF%u.%u: failed to connect\n",
688 		       vif->mac->macid, vif->vifid);
689 
690 	return ret;
691 }
692 
693 static int
694 qtnf_external_auth(struct wiphy *wiphy, struct net_device *dev,
695 		   struct cfg80211_external_auth_params *auth)
696 {
697 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
698 	int ret;
699 
700 	if (vif->wdev.iftype == NL80211_IFTYPE_STATION &&
701 	    !ether_addr_equal(vif->bssid, auth->bssid))
702 		pr_warn("unexpected bssid: %pM", auth->bssid);
703 
704 	ret = qtnf_cmd_send_external_auth(vif, auth);
705 	if (ret)
706 		pr_err("VIF%u.%u: failed to report external auth\n",
707 		       vif->mac->macid, vif->vifid);
708 
709 	return ret;
710 }
711 
712 static int
713 qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev,
714 		u16 reason_code)
715 {
716 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
717 	struct qtnf_vif *vif;
718 	int ret = 0;
719 
720 	vif = qtnf_mac_get_base_vif(mac);
721 	if (!vif) {
722 		pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
723 		return -EFAULT;
724 	}
725 
726 	if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
727 		return -EOPNOTSUPP;
728 
729 	ret = qtnf_cmd_send_disconnect(vif, reason_code);
730 	if (ret)
731 		pr_err("VIF%u.%u: failed to disconnect\n",
732 		       mac->macid, vif->vifid);
733 
734 	if (vif->wdev.connected) {
735 		netif_carrier_off(vif->netdev);
736 		cfg80211_disconnected(vif->netdev, reason_code,
737 				      NULL, 0, true, GFP_KERNEL);
738 	}
739 
740 	return ret;
741 }
742 
743 static int
744 qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev,
745 		 int idx, struct survey_info *survey)
746 {
747 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
748 	struct wireless_dev *wdev = dev->ieee80211_ptr;
749 	struct ieee80211_supported_band *sband;
750 	const struct cfg80211_chan_def *chandef = wdev_chandef(wdev, 0);
751 	struct ieee80211_channel *chan;
752 	int ret;
753 
754 	sband = wiphy->bands[NL80211_BAND_2GHZ];
755 	if (sband && idx >= sband->n_channels) {
756 		idx -= sband->n_channels;
757 		sband = NULL;
758 	}
759 
760 	if (!sband)
761 		sband = wiphy->bands[NL80211_BAND_5GHZ];
762 
763 	if (!sband || idx >= sband->n_channels)
764 		return -ENOENT;
765 
766 	chan = &sband->channels[idx];
767 	survey->channel = chan;
768 	survey->filled = 0x0;
769 
770 	if (chandef && chan == chandef->chan)
771 		survey->filled = SURVEY_INFO_IN_USE;
772 
773 	ret = qtnf_cmd_get_chan_stats(mac, chan->center_freq, survey);
774 	if (ret)
775 		pr_debug("failed to get chan(%d) stats from card\n",
776 			 chan->hw_value);
777 
778 	return ret;
779 }
780 
781 static int
782 qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
783 		 unsigned int link_id, struct cfg80211_chan_def *chandef)
784 {
785 	struct net_device *ndev = wdev->netdev;
786 	struct qtnf_vif *vif;
787 	int ret;
788 
789 	if (!ndev)
790 		return -ENODEV;
791 
792 	vif = qtnf_netdev_get_priv(wdev->netdev);
793 
794 	ret = qtnf_cmd_get_channel(vif, chandef);
795 	if (ret) {
796 		pr_err("%s: failed to get channel: %d\n", ndev->name, ret);
797 		ret = -ENODATA;
798 		goto out;
799 	}
800 
801 	if (!cfg80211_chandef_valid(chandef)) {
802 		pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n",
803 		       ndev->name, chandef->chan->center_freq,
804 		       chandef->center_freq1, chandef->center_freq2,
805 		       chandef->width);
806 		ret = -ENODATA;
807 		goto out;
808 	}
809 
810 out:
811 	return ret;
812 }
813 
814 static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev,
815 			       struct cfg80211_csa_settings *params)
816 {
817 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
818 	int ret;
819 
820 	pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name,
821 		 params->chandef.chan->hw_value, params->count,
822 		 params->radar_required, params->block_tx);
823 
824 	if (!cfg80211_chandef_valid(&params->chandef)) {
825 		pr_err("%s: invalid channel\n", dev->name);
826 		return -EINVAL;
827 	}
828 
829 	ret = qtnf_cmd_send_chan_switch(vif, params);
830 	if (ret)
831 		pr_warn("%s: failed to switch to channel (%u)\n",
832 			dev->name, params->chandef.chan->hw_value);
833 
834 	return ret;
835 }
836 
837 static int qtnf_start_radar_detection(struct wiphy *wiphy,
838 				      struct net_device *ndev,
839 				      struct cfg80211_chan_def *chandef,
840 				      u32 cac_time_ms)
841 {
842 	struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
843 	int ret;
844 
845 	if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
846 		return -ENOTSUPP;
847 
848 	ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms);
849 	if (ret)
850 		pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret);
851 
852 	return ret;
853 }
854 
855 static int qtnf_set_mac_acl(struct wiphy *wiphy,
856 			    struct net_device *dev,
857 			    const struct cfg80211_acl_data *params)
858 {
859 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
860 	int ret;
861 
862 	ret = qtnf_cmd_set_mac_acl(vif, params);
863 	if (ret)
864 		pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret);
865 
866 	return ret;
867 }
868 
869 static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
870 			       bool enabled, int timeout)
871 {
872 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
873 	int ret;
874 
875 	ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY :
876 				   QLINK_PM_OFF, timeout);
877 	if (ret)
878 		pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret);
879 
880 	return ret;
881 }
882 
883 static int qtnf_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
884 			     int *dbm)
885 {
886 	struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
887 	int ret;
888 
889 	ret = qtnf_cmd_get_tx_power(vif, dbm);
890 	if (ret)
891 		pr_err("MAC%u: failed to get Tx power\n", vif->mac->macid);
892 
893 	return ret;
894 }
895 
896 static int qtnf_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
897 			     enum nl80211_tx_power_setting type, int mbm)
898 {
899 	struct qtnf_vif *vif;
900 	int ret;
901 
902 	if (wdev) {
903 		vif = qtnf_netdev_get_priv(wdev->netdev);
904 	} else {
905 		struct qtnf_wmac *mac = wiphy_priv(wiphy);
906 
907 		vif = qtnf_mac_get_base_vif(mac);
908 		if (!vif) {
909 			pr_err("MAC%u: primary VIF is not configured\n",
910 			       mac->macid);
911 			return -EFAULT;
912 		}
913 	}
914 
915 	ret = qtnf_cmd_set_tx_power(vif, type, mbm);
916 	if (ret)
917 		pr_err("MAC%u: failed to set Tx power\n", vif->mac->macid);
918 
919 	return ret;
920 }
921 
922 static int qtnf_update_owe_info(struct wiphy *wiphy, struct net_device *dev,
923 				struct cfg80211_update_owe_info *owe_info)
924 {
925 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
926 	int ret;
927 
928 	if (vif->wdev.iftype != NL80211_IFTYPE_AP)
929 		return -EOPNOTSUPP;
930 
931 	ret = qtnf_cmd_send_update_owe(vif, owe_info);
932 	if (ret)
933 		pr_err("VIF%u.%u: failed to update owe info\n",
934 		       vif->mac->macid, vif->vifid);
935 
936 	return ret;
937 }
938 
939 #ifdef CONFIG_PM
940 static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan)
941 {
942 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
943 	struct qtnf_vif *vif;
944 	int ret = 0;
945 
946 	vif = qtnf_mac_get_base_vif(mac);
947 	if (!vif) {
948 		pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
949 		ret = -EFAULT;
950 		goto exit;
951 	}
952 
953 	if (!wowlan) {
954 		pr_debug("WoWLAN triggers are not enabled\n");
955 		qtnf_virtual_intf_cleanup(vif->netdev);
956 		goto exit;
957 	}
958 
959 	qtnf_scan_done(vif->mac, true);
960 
961 	ret = qtnf_cmd_send_wowlan_set(vif, wowlan);
962 	if (ret) {
963 		pr_err("MAC%u: failed to set WoWLAN triggers\n",
964 		       mac->macid);
965 		goto exit;
966 	}
967 
968 exit:
969 	return ret;
970 }
971 
972 static int qtnf_resume(struct wiphy *wiphy)
973 {
974 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
975 	struct qtnf_vif *vif;
976 	int ret = 0;
977 
978 	vif = qtnf_mac_get_base_vif(mac);
979 	if (!vif) {
980 		pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
981 		return -EFAULT;
982 	}
983 
984 	ret = qtnf_cmd_send_wowlan_set(vif, NULL);
985 	if (ret)
986 		pr_err("MAC%u: failed to reset WoWLAN triggers\n",
987 		       mac->macid);
988 
989 	return ret;
990 }
991 
992 static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled)
993 {
994 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
995 	struct qtnf_bus *bus = mac->bus;
996 
997 	device_set_wakeup_enable(bus->dev, enabled);
998 }
999 #endif
1000 
1001 static struct cfg80211_ops qtn_cfg80211_ops = {
1002 	.add_virtual_intf	= qtnf_add_virtual_intf,
1003 	.change_virtual_intf	= qtnf_change_virtual_intf,
1004 	.del_virtual_intf	= qtnf_del_virtual_intf,
1005 	.start_ap		= qtnf_start_ap,
1006 	.change_beacon		= qtnf_change_beacon,
1007 	.stop_ap		= qtnf_stop_ap,
1008 	.set_wiphy_params	= qtnf_set_wiphy_params,
1009 	.update_mgmt_frame_registrations =
1010 		qtnf_update_mgmt_frame_registrations,
1011 	.mgmt_tx		= qtnf_mgmt_tx,
1012 	.change_station		= qtnf_change_station,
1013 	.del_station		= qtnf_del_station,
1014 	.get_station		= qtnf_get_station,
1015 	.dump_station		= qtnf_dump_station,
1016 	.add_key		= qtnf_add_key,
1017 	.del_key		= qtnf_del_key,
1018 	.set_default_key	= qtnf_set_default_key,
1019 	.set_default_mgmt_key	= qtnf_set_default_mgmt_key,
1020 	.scan			= qtnf_scan,
1021 	.connect		= qtnf_connect,
1022 	.external_auth		= qtnf_external_auth,
1023 	.disconnect		= qtnf_disconnect,
1024 	.dump_survey		= qtnf_dump_survey,
1025 	.get_channel		= qtnf_get_channel,
1026 	.channel_switch		= qtnf_channel_switch,
1027 	.start_radar_detection	= qtnf_start_radar_detection,
1028 	.set_mac_acl		= qtnf_set_mac_acl,
1029 	.set_power_mgmt		= qtnf_set_power_mgmt,
1030 	.get_tx_power		= qtnf_get_tx_power,
1031 	.set_tx_power		= qtnf_set_tx_power,
1032 	.update_owe_info	= qtnf_update_owe_info,
1033 #ifdef CONFIG_PM
1034 	.suspend		= qtnf_suspend,
1035 	.resume			= qtnf_resume,
1036 	.set_wakeup		= qtnf_set_wakeup,
1037 #endif
1038 };
1039 
1040 static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy,
1041 				       struct regulatory_request *req)
1042 {
1043 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
1044 	enum nl80211_band band;
1045 	int ret;
1046 
1047 	pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator,
1048 		 req->alpha2[0], req->alpha2[1]);
1049 
1050 	ret = qtnf_cmd_reg_notify(mac, req, qtnf_slave_radar_get(),
1051 				  qtnf_dfs_offload_get());
1052 	if (ret) {
1053 		pr_err("MAC%u: failed to update region to %c%c: %d\n",
1054 		       mac->macid, req->alpha2[0], req->alpha2[1], ret);
1055 		return;
1056 	}
1057 
1058 	for (band = 0; band < NUM_NL80211_BANDS; ++band) {
1059 		if (!wiphy->bands[band])
1060 			continue;
1061 
1062 		ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]);
1063 		if (ret)
1064 			pr_err("MAC%u: failed to update band %u\n",
1065 			       mac->macid, band);
1066 	}
1067 }
1068 
1069 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus,
1070 				  struct platform_device *pdev)
1071 {
1072 	struct wiphy *wiphy;
1073 
1074 	if (qtnf_dfs_offload_get() &&
1075 	    qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD))
1076 		qtn_cfg80211_ops.start_radar_detection = NULL;
1077 
1078 	if (!qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_PWR_MGMT))
1079 		qtn_cfg80211_ops.set_power_mgmt	= NULL;
1080 
1081 	wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac));
1082 	if (!wiphy)
1083 		return NULL;
1084 
1085 	if (pdev)
1086 		set_wiphy_dev(wiphy, &pdev->dev);
1087 	else
1088 		set_wiphy_dev(wiphy, bus->dev);
1089 
1090 	return wiphy;
1091 }
1092 
1093 static int
1094 qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info)
1095 {
1096 	struct ieee80211_iface_combination *if_comb;
1097 	size_t n_if_comb;
1098 	u16 interface_modes = 0;
1099 	size_t i, j;
1100 
1101 	if_comb = mac_info->if_comb;
1102 	n_if_comb = mac_info->n_if_comb;
1103 
1104 	if (!if_comb || !n_if_comb)
1105 		return -ENOENT;
1106 
1107 	for (i = 0; i < n_if_comb; i++) {
1108 		if_comb[i].radar_detect_widths = mac_info->radar_detect_widths;
1109 
1110 		for (j = 0; j < if_comb[i].n_limits; j++)
1111 			interface_modes |= if_comb[i].limits[j].types;
1112 	}
1113 
1114 	wiphy->iface_combinations = if_comb;
1115 	wiphy->n_iface_combinations = n_if_comb;
1116 	wiphy->interface_modes = interface_modes;
1117 
1118 	return 0;
1119 }
1120 
1121 int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac)
1122 {
1123 	struct wiphy *wiphy = priv_to_wiphy(mac);
1124 	struct qtnf_mac_info *macinfo = &mac->macinfo;
1125 	int ret;
1126 	bool regdomain_is_known;
1127 
1128 	if (!wiphy) {
1129 		pr_err("invalid wiphy pointer\n");
1130 		return -EFAULT;
1131 	}
1132 
1133 	wiphy->frag_threshold = macinfo->frag_thr;
1134 	wiphy->rts_threshold = macinfo->rts_thr;
1135 	wiphy->retry_short = macinfo->sretry_limit;
1136 	wiphy->retry_long = macinfo->lretry_limit;
1137 	wiphy->coverage_class = macinfo->coverage_class;
1138 
1139 	wiphy->max_scan_ssids =
1140 		(macinfo->max_scan_ssids) ? macinfo->max_scan_ssids : 1;
1141 	wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN;
1142 	wiphy->mgmt_stypes = qtnf_mgmt_stypes;
1143 	wiphy->max_remain_on_channel_duration = 5000;
1144 	wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs;
1145 	wiphy->max_num_csa_counters = 2;
1146 
1147 	ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo);
1148 	if (ret)
1149 		goto out;
1150 
1151 	/* Initialize cipher suits */
1152 	wiphy->cipher_suites = qtnf_cipher_suites;
1153 	wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites);
1154 	wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1155 	wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1156 			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
1157 			WIPHY_FLAG_AP_UAPSD |
1158 			WIPHY_FLAG_HAS_CHANNEL_SWITCH |
1159 			WIPHY_FLAG_4ADDR_STATION |
1160 			WIPHY_FLAG_NETNS_OK;
1161 	wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
1162 
1163 	if (qtnf_dfs_offload_get() &&
1164 	    qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD))
1165 		wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD);
1166 
1167 	if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_DWELL))
1168 		wiphy_ext_feature_set(wiphy,
1169 				      NL80211_EXT_FEATURE_SET_SCAN_DWELL);
1170 
1171 	wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1172 				    NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2;
1173 
1174 	wiphy->available_antennas_tx = macinfo->num_tx_chain;
1175 	wiphy->available_antennas_rx = macinfo->num_rx_chain;
1176 
1177 	wiphy->max_ap_assoc_sta = macinfo->max_ap_assoc_sta;
1178 	wiphy->ht_capa_mod_mask = &macinfo->ht_cap_mod_mask;
1179 	wiphy->vht_capa_mod_mask = &macinfo->vht_cap_mod_mask;
1180 
1181 	ether_addr_copy(wiphy->perm_addr, mac->macaddr);
1182 
1183 	if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_STA_INACT_TIMEOUT))
1184 		wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
1185 
1186 	if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR))
1187 		wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
1188 
1189 	if (!qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_OBSS_SCAN))
1190 		wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN;
1191 
1192 	if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SAE))
1193 		wiphy->features |= NL80211_FEATURE_SAE;
1194 
1195 #ifdef CONFIG_PM
1196 	if (macinfo->wowlan)
1197 		wiphy->wowlan = macinfo->wowlan;
1198 #endif
1199 
1200 	regdomain_is_known = isalpha(mac->rd->alpha2[0]) &&
1201 				isalpha(mac->rd->alpha2[1]);
1202 
1203 	if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_REG_UPDATE)) {
1204 		wiphy->reg_notifier = qtnf_cfg80211_reg_notifier;
1205 
1206 		if (mac->rd->alpha2[0] == '9' && mac->rd->alpha2[1] == '9') {
1207 			wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
1208 				REGULATORY_STRICT_REG;
1209 			wiphy_apply_custom_regulatory(wiphy, mac->rd);
1210 		} else if (regdomain_is_known) {
1211 			wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
1212 		}
1213 	} else {
1214 		wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
1215 	}
1216 
1217 	if (mac->macinfo.extended_capabilities_len) {
1218 		wiphy->extended_capabilities =
1219 			mac->macinfo.extended_capabilities;
1220 		wiphy->extended_capabilities_mask =
1221 			mac->macinfo.extended_capabilities_mask;
1222 		wiphy->extended_capabilities_len =
1223 			mac->macinfo.extended_capabilities_len;
1224 	}
1225 
1226 	strscpy(wiphy->fw_version, hw_info->fw_version,
1227 		sizeof(wiphy->fw_version));
1228 	wiphy->hw_version = hw_info->hw_version;
1229 
1230 	ret = wiphy_register(wiphy);
1231 	if (ret < 0)
1232 		goto out;
1233 
1234 	if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED)
1235 		ret = regulatory_set_wiphy_regd(wiphy, mac->rd);
1236 	else if (regdomain_is_known)
1237 		ret = regulatory_hint(wiphy, mac->rd->alpha2);
1238 
1239 out:
1240 	return ret;
1241 }
1242 
1243 void qtnf_netdev_updown(struct net_device *ndev, bool up)
1244 {
1245 	struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1246 
1247 	if (qtnf_cmd_send_updown_intf(vif, up))
1248 		pr_err("failed to send %s command to VIF%u.%u\n",
1249 		       up ? "UP" : "DOWN", vif->mac->macid, vif->vifid);
1250 }
1251 
1252 void qtnf_virtual_intf_cleanup(struct net_device *ndev)
1253 {
1254 	struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1255 	struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy);
1256 
1257 	if (vif->wdev.iftype == NL80211_IFTYPE_STATION)
1258 		qtnf_disconnect(vif->wdev.wiphy, ndev,
1259 				WLAN_REASON_DEAUTH_LEAVING);
1260 
1261 	qtnf_scan_done(mac, true);
1262 }
1263 
1264 void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif)
1265 {
1266 	if (vif->wdev.iftype == NL80211_IFTYPE_STATION)
1267 		cfg80211_disconnected(vif->netdev, WLAN_REASON_DEAUTH_LEAVING,
1268 				      NULL, 0, 1, GFP_KERNEL);
1269 
1270 	cfg80211_shutdown_all_interfaces(vif->wdev.wiphy);
1271 }
1272 
1273 void qtnf_band_init_rates(struct ieee80211_supported_band *band)
1274 {
1275 	switch (band->band) {
1276 	case NL80211_BAND_2GHZ:
1277 		band->bitrates = qtnf_rates_2g;
1278 		band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g);
1279 		break;
1280 	case NL80211_BAND_5GHZ:
1281 		band->bitrates = qtnf_rates_5g;
1282 		band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g);
1283 		break;
1284 	default:
1285 		band->bitrates = NULL;
1286 		band->n_bitrates = 0;
1287 		break;
1288 	}
1289 }
1290