xref: /linux/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c (revision 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf)
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
qtnf_validate_iface_combinations(struct wiphy * wiphy,struct qtnf_vif * change_vif,enum nl80211_iftype new_type)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
qtnf_change_virtual_intf(struct wiphy * wiphy,struct net_device * dev,enum nl80211_iftype type,struct vif_params * params)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 
qtnf_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)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 
qtnf_add_virtual_intf(struct wiphy * wiphy,const char * name,unsigned char name_assign_t,enum nl80211_iftype type,struct vif_params * params)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 
qtnf_mgmt_set_appie(struct qtnf_vif * vif,const struct cfg80211_beacon_data * info)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 
qtnf_change_beacon(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_update * info)333 static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev,
334 			      struct cfg80211_ap_update *info)
335 {
336 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
337 
338 	return qtnf_mgmt_set_appie(vif, &info->beacon);
339 }
340 
qtnf_start_ap(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_settings * settings)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 
qtnf_stop_ap(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id)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 
qtnf_set_wiphy_params(struct wiphy * wiphy,int radio_idx,u32 changed)373 static int qtnf_set_wiphy_params(struct wiphy *wiphy, int radio_idx,
374 				 u32 changed)
375 {
376 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
377 	struct qtnf_vif *vif;
378 	int ret;
379 
380 	vif = qtnf_mac_get_base_vif(mac);
381 	if (!vif) {
382 		pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
383 		return -EFAULT;
384 	}
385 
386 	ret = qtnf_cmd_send_update_phy_params(mac, changed);
387 	if (ret)
388 		pr_err("MAC%u: failed to update PHY params\n", mac->macid);
389 
390 	return ret;
391 }
392 
393 static void
qtnf_update_mgmt_frame_registrations(struct wiphy * wiphy,struct wireless_dev * wdev,struct mgmt_frame_regs * upd)394 qtnf_update_mgmt_frame_registrations(struct wiphy *wiphy,
395 				     struct wireless_dev *wdev,
396 				     struct mgmt_frame_regs *upd)
397 {
398 	struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
399 	u16 new_mask = upd->interface_stypes;
400 	u16 old_mask = vif->mgmt_frames_bitmask;
401 	static const struct {
402 		u16 mask, qlink_type;
403 	} updates[] = {
404 		{
405 			.mask = BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
406 				BIT(IEEE80211_STYPE_ASSOC_REQ >> 4),
407 			.qlink_type = QLINK_MGMT_FRAME_ASSOC_REQ,
408 		},
409 		{
410 			.mask = BIT(IEEE80211_STYPE_AUTH >> 4),
411 			.qlink_type = QLINK_MGMT_FRAME_AUTH,
412 		},
413 		{
414 			.mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
415 			.qlink_type = QLINK_MGMT_FRAME_PROBE_REQ,
416 		},
417 		{
418 			.mask = BIT(IEEE80211_STYPE_ACTION >> 4),
419 			.qlink_type = QLINK_MGMT_FRAME_ACTION,
420 		},
421 	};
422 	unsigned int i;
423 
424 	if (new_mask == old_mask)
425 		return;
426 
427 	for (i = 0; i < ARRAY_SIZE(updates); i++) {
428 		u16 mask = updates[i].mask;
429 		u16 qlink_frame_type = updates[i].qlink_type;
430 		bool reg;
431 
432 		/* the ! are here due to the assoc/reassoc merge */
433 		if (!(new_mask & mask) == !(old_mask & mask))
434 			continue;
435 
436 		reg = new_mask & mask;
437 
438 		if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg))
439 			pr_warn("VIF%u.%u: failed to %sregister qlink frame type 0x%x\n",
440 				vif->mac->macid, vif->vifid, reg ? "" : "un",
441 				qlink_frame_type);
442 	}
443 
444 	vif->mgmt_frames_bitmask = new_mask;
445 }
446 
447 static int
qtnf_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)448 qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
449 	     struct cfg80211_mgmt_tx_params *params, u64 *cookie)
450 {
451 	struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
452 	const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf;
453 	u32 short_cookie = get_random_u32();
454 	u16 flags = 0;
455 	u16 freq;
456 
457 	*cookie = short_cookie;
458 
459 	if (params->offchan)
460 		flags |= QLINK_FRAME_TX_FLAG_OFFCHAN;
461 
462 	if (params->no_cck)
463 		flags |= QLINK_FRAME_TX_FLAG_NO_CCK;
464 
465 	if (params->dont_wait_for_ack)
466 		flags |= QLINK_FRAME_TX_FLAG_ACK_NOWAIT;
467 
468 	/* If channel is not specified, pass "freq = 0" to tell device
469 	 * firmware to use current channel.
470 	 */
471 	if (params->chan)
472 		freq = params->chan->center_freq;
473 	else
474 		freq = 0;
475 
476 	pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n",
477 		 wdev->netdev->name, freq,
478 		 le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da,
479 		 params->len, short_cookie, flags);
480 
481 	return qtnf_cmd_send_frame(vif, short_cookie, flags,
482 				   freq, params->buf, params->len);
483 }
484 
485 static int
qtnf_get_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_info * sinfo)486 qtnf_get_station(struct wiphy *wiphy, struct net_device *dev,
487 		 const u8 *mac, struct station_info *sinfo)
488 {
489 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
490 
491 	sinfo->generation = vif->generation;
492 	return qtnf_cmd_get_sta_info(vif, mac, sinfo);
493 }
494 
495 static int
qtnf_dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)496 qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev,
497 		  int idx, u8 *mac, struct station_info *sinfo)
498 {
499 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
500 	const struct qtnf_sta_node *sta_node;
501 	int ret;
502 
503 	switch (vif->wdev.iftype) {
504 	case NL80211_IFTYPE_STATION:
505 		if (idx != 0 || !vif->wdev.connected)
506 			return -ENOENT;
507 
508 		ether_addr_copy(mac, vif->bssid);
509 		break;
510 	case NL80211_IFTYPE_AP:
511 		sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx);
512 		if (unlikely(!sta_node))
513 			return -ENOENT;
514 
515 		ether_addr_copy(mac, sta_node->mac_addr);
516 		break;
517 	default:
518 		return -ENOTSUPP;
519 	}
520 
521 	ret = qtnf_cmd_get_sta_info(vif, mac, sinfo);
522 
523 	if (vif->wdev.iftype == NL80211_IFTYPE_AP) {
524 		if (ret == -ENOENT) {
525 			cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL);
526 			sinfo->filled = 0;
527 		}
528 	}
529 
530 	sinfo->generation = vif->generation;
531 
532 	return ret;
533 }
534 
qtnf_add_key(struct wiphy * wiphy,struct net_device * dev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)535 static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev,
536 			int link_id, u8 key_index, bool pairwise,
537 			const u8 *mac_addr, struct key_params *params)
538 {
539 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
540 	int ret;
541 
542 	ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params);
543 	if (ret)
544 		pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n",
545 		       vif->mac->macid, vif->vifid, params->cipher, key_index,
546 		       pairwise);
547 
548 	return ret;
549 }
550 
qtnf_del_key(struct wiphy * wiphy,struct net_device * dev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr)551 static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev,
552 			int link_id, u8 key_index, bool pairwise,
553 			const u8 *mac_addr)
554 {
555 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
556 	int ret;
557 
558 	ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr);
559 	if (ret) {
560 		if (ret == -ENOENT) {
561 			pr_debug("VIF%u.%u: key index %d out of bounds\n",
562 				 vif->mac->macid, vif->vifid, key_index);
563 		} else {
564 			pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n",
565 			       vif->mac->macid, vif->vifid,
566 			       key_index, pairwise);
567 		}
568 	}
569 
570 	return ret;
571 }
572 
qtnf_set_default_key(struct wiphy * wiphy,struct net_device * dev,int link_id,u8 key_index,bool unicast,bool multicast)573 static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev,
574 				int link_id, u8 key_index, bool unicast,
575 				bool multicast)
576 {
577 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
578 	int ret;
579 
580 	ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast);
581 	if (ret)
582 		pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n",
583 		       vif->mac->macid, vif->vifid, key_index, unicast,
584 		       multicast);
585 
586 	return ret;
587 }
588 
589 static int
qtnf_set_default_mgmt_key(struct wiphy * wiphy,struct net_device * dev,int link_id,u8 key_index)590 qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev,
591 			  int link_id, u8 key_index)
592 {
593 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
594 	int ret;
595 
596 	ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index);
597 	if (ret)
598 		pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n",
599 		       vif->mac->macid, vif->vifid, key_index);
600 
601 	return ret;
602 }
603 
604 static int
qtnf_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)605 qtnf_change_station(struct wiphy *wiphy, struct net_device *dev,
606 		    const u8 *mac, struct station_parameters *params)
607 {
608 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
609 	int ret;
610 
611 	ret = qtnf_cmd_send_change_sta(vif, mac, params);
612 	if (ret)
613 		pr_err("VIF%u.%u: failed to change STA %pM\n",
614 		       vif->mac->macid, vif->vifid, mac);
615 
616 	return ret;
617 }
618 
619 static int
qtnf_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)620 qtnf_del_station(struct wiphy *wiphy, struct net_device *dev,
621 		 struct station_del_parameters *params)
622 {
623 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
624 	int ret;
625 
626 	if (params->mac &&
627 	    (vif->wdev.iftype == NL80211_IFTYPE_AP) &&
628 	    !is_broadcast_ether_addr(params->mac) &&
629 	    !qtnf_sta_list_lookup(&vif->sta_list, params->mac))
630 		return 0;
631 
632 	ret = qtnf_cmd_send_del_sta(vif, params);
633 	if (ret)
634 		pr_err("VIF%u.%u: failed to delete STA %pM\n",
635 		       vif->mac->macid, vif->vifid, params->mac);
636 
637 	return ret;
638 }
639 
640 static int
qtnf_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)641 qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
642 {
643 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
644 	int ret;
645 
646 	cancel_delayed_work_sync(&mac->scan_timeout);
647 
648 	mac->scan_req = request;
649 
650 	ret = qtnf_cmd_send_scan(mac);
651 	if (ret) {
652 		pr_err("MAC%u: failed to start scan\n", mac->macid);
653 		mac->scan_req = NULL;
654 		goto out;
655 	}
656 
657 	pr_debug("MAC%u: scan started\n", mac->macid);
658 	queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout,
659 			   QTNF_SCAN_TIMEOUT_SEC * HZ);
660 
661 out:
662 	return ret;
663 }
664 
665 static int
qtnf_connect(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_connect_params * sme)666 qtnf_connect(struct wiphy *wiphy, struct net_device *dev,
667 	     struct cfg80211_connect_params *sme)
668 {
669 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
670 	int ret;
671 
672 	if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
673 		return -EOPNOTSUPP;
674 
675 	if (sme->auth_type == NL80211_AUTHTYPE_SAE &&
676 	    !(sme->flags & CONNECT_REQ_EXTERNAL_AUTH_SUPPORT)) {
677 		pr_err("can not offload authentication to userspace\n");
678 		return -EOPNOTSUPP;
679 	}
680 
681 	if (sme->bssid)
682 		ether_addr_copy(vif->bssid, sme->bssid);
683 	else
684 		eth_zero_addr(vif->bssid);
685 
686 	ret = qtnf_cmd_send_connect(vif, sme);
687 	if (ret)
688 		pr_err("VIF%u.%u: failed to connect\n",
689 		       vif->mac->macid, vif->vifid);
690 
691 	return ret;
692 }
693 
694 static int
qtnf_external_auth(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_external_auth_params * auth)695 qtnf_external_auth(struct wiphy *wiphy, struct net_device *dev,
696 		   struct cfg80211_external_auth_params *auth)
697 {
698 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
699 	int ret;
700 
701 	if (vif->wdev.iftype == NL80211_IFTYPE_STATION &&
702 	    !ether_addr_equal(vif->bssid, auth->bssid))
703 		pr_warn("unexpected bssid: %pM", auth->bssid);
704 
705 	ret = qtnf_cmd_send_external_auth(vif, auth);
706 	if (ret)
707 		pr_err("VIF%u.%u: failed to report external auth\n",
708 		       vif->mac->macid, vif->vifid);
709 
710 	return ret;
711 }
712 
713 static int
qtnf_disconnect(struct wiphy * wiphy,struct net_device * dev,u16 reason_code)714 qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev,
715 		u16 reason_code)
716 {
717 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
718 	struct qtnf_vif *vif;
719 	int ret = 0;
720 
721 	vif = qtnf_mac_get_base_vif(mac);
722 	if (!vif) {
723 		pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
724 		return -EFAULT;
725 	}
726 
727 	if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
728 		return -EOPNOTSUPP;
729 
730 	ret = qtnf_cmd_send_disconnect(vif, reason_code);
731 	if (ret)
732 		pr_err("VIF%u.%u: failed to disconnect\n",
733 		       mac->macid, vif->vifid);
734 
735 	if (vif->wdev.connected) {
736 		netif_carrier_off(vif->netdev);
737 		cfg80211_disconnected(vif->netdev, reason_code,
738 				      NULL, 0, true, GFP_KERNEL);
739 	}
740 
741 	return ret;
742 }
743 
744 static int
qtnf_dump_survey(struct wiphy * wiphy,struct net_device * dev,int idx,struct survey_info * survey)745 qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev,
746 		 int idx, struct survey_info *survey)
747 {
748 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
749 	struct wireless_dev *wdev = dev->ieee80211_ptr;
750 	struct ieee80211_supported_band *sband;
751 	const struct cfg80211_chan_def *chandef = wdev_chandef(wdev, 0);
752 	struct ieee80211_channel *chan;
753 	int ret;
754 
755 	sband = wiphy->bands[NL80211_BAND_2GHZ];
756 	if (sband && idx >= sband->n_channels) {
757 		idx -= sband->n_channels;
758 		sband = NULL;
759 	}
760 
761 	if (!sband)
762 		sband = wiphy->bands[NL80211_BAND_5GHZ];
763 
764 	if (!sband || idx >= sband->n_channels)
765 		return -ENOENT;
766 
767 	chan = &sband->channels[idx];
768 	survey->channel = chan;
769 	survey->filled = 0x0;
770 
771 	if (chandef && chan == chandef->chan)
772 		survey->filled = SURVEY_INFO_IN_USE;
773 
774 	ret = qtnf_cmd_get_chan_stats(mac, chan->center_freq, survey);
775 	if (ret)
776 		pr_debug("failed to get chan(%d) stats from card\n",
777 			 chan->hw_value);
778 
779 	return ret;
780 }
781 
782 static int
qtnf_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id,struct cfg80211_chan_def * chandef)783 qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
784 		 unsigned int link_id, struct cfg80211_chan_def *chandef)
785 {
786 	struct net_device *ndev = wdev->netdev;
787 	struct qtnf_vif *vif;
788 	int ret;
789 
790 	if (!ndev)
791 		return -ENODEV;
792 
793 	vif = qtnf_netdev_get_priv(wdev->netdev);
794 
795 	ret = qtnf_cmd_get_channel(vif, chandef);
796 	if (ret) {
797 		pr_err("%s: failed to get channel: %d\n", ndev->name, ret);
798 		ret = -ENODATA;
799 		goto out;
800 	}
801 
802 	if (!cfg80211_chandef_valid(chandef)) {
803 		pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n",
804 		       ndev->name, chandef->chan->center_freq,
805 		       chandef->center_freq1, chandef->center_freq2,
806 		       chandef->width);
807 		ret = -ENODATA;
808 		goto out;
809 	}
810 
811 out:
812 	return ret;
813 }
814 
qtnf_channel_switch(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_csa_settings * params)815 static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev,
816 			       struct cfg80211_csa_settings *params)
817 {
818 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
819 	int ret;
820 
821 	pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name,
822 		 params->chandef.chan->hw_value, params->count,
823 		 params->radar_required, params->block_tx);
824 
825 	if (!cfg80211_chandef_valid(&params->chandef)) {
826 		pr_err("%s: invalid channel\n", dev->name);
827 		return -EINVAL;
828 	}
829 
830 	ret = qtnf_cmd_send_chan_switch(vif, params);
831 	if (ret)
832 		pr_warn("%s: failed to switch to channel (%u)\n",
833 			dev->name, params->chandef.chan->hw_value);
834 
835 	return ret;
836 }
837 
qtnf_start_radar_detection(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_chan_def * chandef,u32 cac_time_ms,int link_id)838 static int qtnf_start_radar_detection(struct wiphy *wiphy,
839 				      struct net_device *ndev,
840 				      struct cfg80211_chan_def *chandef,
841 				      u32 cac_time_ms, int link_id)
842 {
843 	struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
844 	int ret;
845 
846 	if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
847 		return -ENOTSUPP;
848 
849 	ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms);
850 	if (ret)
851 		pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret);
852 
853 	return ret;
854 }
855 
qtnf_set_mac_acl(struct wiphy * wiphy,struct net_device * dev,const struct cfg80211_acl_data * params)856 static int qtnf_set_mac_acl(struct wiphy *wiphy,
857 			    struct net_device *dev,
858 			    const struct cfg80211_acl_data *params)
859 {
860 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
861 	int ret;
862 
863 	ret = qtnf_cmd_set_mac_acl(vif, params);
864 	if (ret)
865 		pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret);
866 
867 	return ret;
868 }
869 
qtnf_set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)870 static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
871 			       bool enabled, int timeout)
872 {
873 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
874 	int ret;
875 
876 	ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY :
877 				   QLINK_PM_OFF, timeout);
878 	if (ret)
879 		pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret);
880 
881 	return ret;
882 }
883 
qtnf_get_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int radio_idx,unsigned int link_id,int * dbm)884 static int qtnf_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
885 			     int radio_idx, unsigned int link_id, int *dbm)
886 {
887 	struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
888 	int ret;
889 
890 	ret = qtnf_cmd_get_tx_power(vif, dbm);
891 	if (ret)
892 		pr_err("MAC%u: failed to get Tx power\n", vif->mac->macid);
893 
894 	return ret;
895 }
896 
qtnf_set_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int radio_idx,enum nl80211_tx_power_setting type,int mbm)897 static int qtnf_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
898 			     int radio_idx, enum nl80211_tx_power_setting type,
899 			     int mbm)
900 {
901 	struct qtnf_vif *vif;
902 	int ret;
903 
904 	if (wdev) {
905 		vif = qtnf_netdev_get_priv(wdev->netdev);
906 	} else {
907 		struct qtnf_wmac *mac = wiphy_priv(wiphy);
908 
909 		vif = qtnf_mac_get_base_vif(mac);
910 		if (!vif) {
911 			pr_err("MAC%u: primary VIF is not configured\n",
912 			       mac->macid);
913 			return -EFAULT;
914 		}
915 	}
916 
917 	ret = qtnf_cmd_set_tx_power(vif, type, mbm);
918 	if (ret)
919 		pr_err("MAC%u: failed to set Tx power\n", vif->mac->macid);
920 
921 	return ret;
922 }
923 
qtnf_update_owe_info(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_update_owe_info * owe_info)924 static int qtnf_update_owe_info(struct wiphy *wiphy, struct net_device *dev,
925 				struct cfg80211_update_owe_info *owe_info)
926 {
927 	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
928 	int ret;
929 
930 	if (vif->wdev.iftype != NL80211_IFTYPE_AP)
931 		return -EOPNOTSUPP;
932 
933 	ret = qtnf_cmd_send_update_owe(vif, owe_info);
934 	if (ret)
935 		pr_err("VIF%u.%u: failed to update owe info\n",
936 		       vif->mac->macid, vif->vifid);
937 
938 	return ret;
939 }
940 
941 #ifdef CONFIG_PM
qtnf_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wowlan)942 static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan)
943 {
944 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
945 	struct qtnf_vif *vif;
946 	int ret = 0;
947 
948 	vif = qtnf_mac_get_base_vif(mac);
949 	if (!vif) {
950 		pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
951 		ret = -EFAULT;
952 		goto exit;
953 	}
954 
955 	if (!wowlan) {
956 		pr_debug("WoWLAN triggers are not enabled\n");
957 		qtnf_virtual_intf_cleanup(vif->netdev);
958 		goto exit;
959 	}
960 
961 	qtnf_scan_done(vif->mac, true);
962 
963 	ret = qtnf_cmd_send_wowlan_set(vif, wowlan);
964 	if (ret) {
965 		pr_err("MAC%u: failed to set WoWLAN triggers\n",
966 		       mac->macid);
967 		goto exit;
968 	}
969 
970 exit:
971 	return ret;
972 }
973 
qtnf_resume(struct wiphy * wiphy)974 static int qtnf_resume(struct wiphy *wiphy)
975 {
976 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
977 	struct qtnf_vif *vif;
978 	int ret = 0;
979 
980 	vif = qtnf_mac_get_base_vif(mac);
981 	if (!vif) {
982 		pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
983 		return -EFAULT;
984 	}
985 
986 	ret = qtnf_cmd_send_wowlan_set(vif, NULL);
987 	if (ret)
988 		pr_err("MAC%u: failed to reset WoWLAN triggers\n",
989 		       mac->macid);
990 
991 	return ret;
992 }
993 
qtnf_set_wakeup(struct wiphy * wiphy,bool enabled)994 static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled)
995 {
996 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
997 	struct qtnf_bus *bus = mac->bus;
998 
999 	device_set_wakeup_enable(bus->dev, enabled);
1000 }
1001 #endif
1002 
1003 static struct cfg80211_ops qtn_cfg80211_ops = {
1004 	.add_virtual_intf	= qtnf_add_virtual_intf,
1005 	.change_virtual_intf	= qtnf_change_virtual_intf,
1006 	.del_virtual_intf	= qtnf_del_virtual_intf,
1007 	.start_ap		= qtnf_start_ap,
1008 	.change_beacon		= qtnf_change_beacon,
1009 	.stop_ap		= qtnf_stop_ap,
1010 	.set_wiphy_params	= qtnf_set_wiphy_params,
1011 	.update_mgmt_frame_registrations =
1012 		qtnf_update_mgmt_frame_registrations,
1013 	.mgmt_tx		= qtnf_mgmt_tx,
1014 	.change_station		= qtnf_change_station,
1015 	.del_station		= qtnf_del_station,
1016 	.get_station		= qtnf_get_station,
1017 	.dump_station		= qtnf_dump_station,
1018 	.add_key		= qtnf_add_key,
1019 	.del_key		= qtnf_del_key,
1020 	.set_default_key	= qtnf_set_default_key,
1021 	.set_default_mgmt_key	= qtnf_set_default_mgmt_key,
1022 	.scan			= qtnf_scan,
1023 	.connect		= qtnf_connect,
1024 	.external_auth		= qtnf_external_auth,
1025 	.disconnect		= qtnf_disconnect,
1026 	.dump_survey		= qtnf_dump_survey,
1027 	.get_channel		= qtnf_get_channel,
1028 	.channel_switch		= qtnf_channel_switch,
1029 	.start_radar_detection	= qtnf_start_radar_detection,
1030 	.set_mac_acl		= qtnf_set_mac_acl,
1031 	.set_power_mgmt		= qtnf_set_power_mgmt,
1032 	.get_tx_power		= qtnf_get_tx_power,
1033 	.set_tx_power		= qtnf_set_tx_power,
1034 	.update_owe_info	= qtnf_update_owe_info,
1035 #ifdef CONFIG_PM
1036 	.suspend		= qtnf_suspend,
1037 	.resume			= qtnf_resume,
1038 	.set_wakeup		= qtnf_set_wakeup,
1039 #endif
1040 };
1041 
qtnf_cfg80211_reg_notifier(struct wiphy * wiphy,struct regulatory_request * req)1042 static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy,
1043 				       struct regulatory_request *req)
1044 {
1045 	struct qtnf_wmac *mac = wiphy_priv(wiphy);
1046 	enum nl80211_band band;
1047 	int ret;
1048 
1049 	pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator,
1050 		 req->alpha2[0], req->alpha2[1]);
1051 
1052 	ret = qtnf_cmd_reg_notify(mac, req, qtnf_slave_radar_get(),
1053 				  qtnf_dfs_offload_get());
1054 	if (ret) {
1055 		pr_err("MAC%u: failed to update region to %c%c: %d\n",
1056 		       mac->macid, req->alpha2[0], req->alpha2[1], ret);
1057 		return;
1058 	}
1059 
1060 	for (band = 0; band < NUM_NL80211_BANDS; ++band) {
1061 		if (!wiphy->bands[band])
1062 			continue;
1063 
1064 		ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]);
1065 		if (ret)
1066 			pr_err("MAC%u: failed to update band %u\n",
1067 			       mac->macid, band);
1068 	}
1069 }
1070 
qtnf_wiphy_allocate(struct qtnf_bus * bus,struct platform_device * pdev)1071 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus,
1072 				  struct platform_device *pdev)
1073 {
1074 	struct wiphy *wiphy;
1075 
1076 	if (qtnf_dfs_offload_get() &&
1077 	    qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD))
1078 		qtn_cfg80211_ops.start_radar_detection = NULL;
1079 
1080 	if (!qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_PWR_MGMT))
1081 		qtn_cfg80211_ops.set_power_mgmt	= NULL;
1082 
1083 	wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac));
1084 	if (!wiphy)
1085 		return NULL;
1086 
1087 	if (pdev)
1088 		set_wiphy_dev(wiphy, &pdev->dev);
1089 	else
1090 		set_wiphy_dev(wiphy, bus->dev);
1091 
1092 	return wiphy;
1093 }
1094 
1095 static int
qtnf_wiphy_setup_if_comb(struct wiphy * wiphy,struct qtnf_mac_info * mac_info)1096 qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info)
1097 {
1098 	struct ieee80211_iface_combination *if_comb;
1099 	size_t n_if_comb;
1100 	u16 interface_modes = 0;
1101 	size_t i, j;
1102 
1103 	if_comb = mac_info->if_comb;
1104 	n_if_comb = mac_info->n_if_comb;
1105 
1106 	if (!if_comb || !n_if_comb)
1107 		return -ENOENT;
1108 
1109 	for (i = 0; i < n_if_comb; i++) {
1110 		if_comb[i].radar_detect_widths = mac_info->radar_detect_widths;
1111 
1112 		for (j = 0; j < if_comb[i].n_limits; j++)
1113 			interface_modes |= if_comb[i].limits[j].types;
1114 	}
1115 
1116 	wiphy->iface_combinations = if_comb;
1117 	wiphy->n_iface_combinations = n_if_comb;
1118 	wiphy->interface_modes = interface_modes;
1119 
1120 	return 0;
1121 }
1122 
qtnf_wiphy_register(struct qtnf_hw_info * hw_info,struct qtnf_wmac * mac)1123 int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac)
1124 {
1125 	struct wiphy *wiphy = priv_to_wiphy(mac);
1126 	struct qtnf_mac_info *macinfo = &mac->macinfo;
1127 	int ret;
1128 	bool regdomain_is_known;
1129 
1130 	if (!wiphy) {
1131 		pr_err("invalid wiphy pointer\n");
1132 		return -EFAULT;
1133 	}
1134 
1135 	wiphy->frag_threshold = macinfo->frag_thr;
1136 	wiphy->rts_threshold = macinfo->rts_thr;
1137 	wiphy->retry_short = macinfo->sretry_limit;
1138 	wiphy->retry_long = macinfo->lretry_limit;
1139 	wiphy->coverage_class = macinfo->coverage_class;
1140 
1141 	wiphy->max_scan_ssids =
1142 		(macinfo->max_scan_ssids) ? macinfo->max_scan_ssids : 1;
1143 	wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN;
1144 	wiphy->mgmt_stypes = qtnf_mgmt_stypes;
1145 	wiphy->max_remain_on_channel_duration = 5000;
1146 	wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs;
1147 	wiphy->max_num_csa_counters = 2;
1148 
1149 	ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo);
1150 	if (ret)
1151 		goto out;
1152 
1153 	/* Initialize cipher suits */
1154 	wiphy->cipher_suites = qtnf_cipher_suites;
1155 	wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites);
1156 	wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1157 	wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1158 			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
1159 			WIPHY_FLAG_AP_UAPSD |
1160 			WIPHY_FLAG_HAS_CHANNEL_SWITCH |
1161 			WIPHY_FLAG_4ADDR_STATION |
1162 			WIPHY_FLAG_NETNS_OK;
1163 	wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
1164 
1165 	if (qtnf_dfs_offload_get() &&
1166 	    qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD))
1167 		wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD);
1168 
1169 	if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_DWELL))
1170 		wiphy_ext_feature_set(wiphy,
1171 				      NL80211_EXT_FEATURE_SET_SCAN_DWELL);
1172 
1173 	wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1174 				    NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2;
1175 
1176 	wiphy->available_antennas_tx = macinfo->num_tx_chain;
1177 	wiphy->available_antennas_rx = macinfo->num_rx_chain;
1178 
1179 	wiphy->max_ap_assoc_sta = macinfo->max_ap_assoc_sta;
1180 	wiphy->ht_capa_mod_mask = &macinfo->ht_cap_mod_mask;
1181 	wiphy->vht_capa_mod_mask = &macinfo->vht_cap_mod_mask;
1182 
1183 	ether_addr_copy(wiphy->perm_addr, mac->macaddr);
1184 
1185 	if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_STA_INACT_TIMEOUT))
1186 		wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
1187 
1188 	if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR))
1189 		wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
1190 
1191 	if (!qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_OBSS_SCAN))
1192 		wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN;
1193 
1194 	if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SAE))
1195 		wiphy->features |= NL80211_FEATURE_SAE;
1196 
1197 #ifdef CONFIG_PM
1198 	if (macinfo->wowlan)
1199 		wiphy->wowlan = macinfo->wowlan;
1200 #endif
1201 
1202 	regdomain_is_known = isalpha(mac->rd->alpha2[0]) &&
1203 				isalpha(mac->rd->alpha2[1]);
1204 
1205 	if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_REG_UPDATE)) {
1206 		wiphy->reg_notifier = qtnf_cfg80211_reg_notifier;
1207 
1208 		if (mac->rd->alpha2[0] == '9' && mac->rd->alpha2[1] == '9') {
1209 			wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
1210 				REGULATORY_STRICT_REG;
1211 			wiphy_apply_custom_regulatory(wiphy, mac->rd);
1212 		} else if (regdomain_is_known) {
1213 			wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
1214 		}
1215 	} else {
1216 		wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
1217 	}
1218 
1219 	if (mac->macinfo.extended_capabilities_len) {
1220 		wiphy->extended_capabilities =
1221 			mac->macinfo.extended_capabilities;
1222 		wiphy->extended_capabilities_mask =
1223 			mac->macinfo.extended_capabilities_mask;
1224 		wiphy->extended_capabilities_len =
1225 			mac->macinfo.extended_capabilities_len;
1226 	}
1227 
1228 	strscpy(wiphy->fw_version, hw_info->fw_version,
1229 		sizeof(wiphy->fw_version));
1230 	wiphy->hw_version = hw_info->hw_version;
1231 
1232 	ret = wiphy_register(wiphy);
1233 	if (ret < 0)
1234 		goto out;
1235 
1236 	if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED)
1237 		ret = regulatory_set_wiphy_regd(wiphy, mac->rd);
1238 	else if (regdomain_is_known)
1239 		ret = regulatory_hint(wiphy, mac->rd->alpha2);
1240 
1241 out:
1242 	return ret;
1243 }
1244 
qtnf_netdev_updown(struct net_device * ndev,bool up)1245 void qtnf_netdev_updown(struct net_device *ndev, bool up)
1246 {
1247 	struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1248 
1249 	if (qtnf_cmd_send_updown_intf(vif, up))
1250 		pr_err("failed to send %s command to VIF%u.%u\n",
1251 		       up ? "UP" : "DOWN", vif->mac->macid, vif->vifid);
1252 }
1253 
qtnf_virtual_intf_cleanup(struct net_device * ndev)1254 void qtnf_virtual_intf_cleanup(struct net_device *ndev)
1255 {
1256 	struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1257 	struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy);
1258 
1259 	if (vif->wdev.iftype == NL80211_IFTYPE_STATION)
1260 		qtnf_disconnect(vif->wdev.wiphy, ndev,
1261 				WLAN_REASON_DEAUTH_LEAVING);
1262 
1263 	qtnf_scan_done(mac, true);
1264 }
1265 
qtnf_cfg80211_vif_reset(struct qtnf_vif * vif)1266 void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif)
1267 {
1268 	if (vif->wdev.iftype == NL80211_IFTYPE_STATION)
1269 		cfg80211_disconnected(vif->netdev, WLAN_REASON_DEAUTH_LEAVING,
1270 				      NULL, 0, 1, GFP_KERNEL);
1271 
1272 	cfg80211_shutdown_all_interfaces(vif->wdev.wiphy);
1273 }
1274 
qtnf_band_init_rates(struct ieee80211_supported_band * band)1275 void qtnf_band_init_rates(struct ieee80211_supported_band *band)
1276 {
1277 	switch (band->band) {
1278 	case NL80211_BAND_2GHZ:
1279 		band->bitrates = qtnf_rates_2g;
1280 		band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g);
1281 		break;
1282 	case NL80211_BAND_5GHZ:
1283 		band->bitrates = qtnf_rates_5g;
1284 		band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g);
1285 		break;
1286 	default:
1287 		band->bitrates = NULL;
1288 		band->n_bitrates = 0;
1289 		break;
1290 	}
1291 }
1292