xref: /openbmc/linux/net/mac80211/cfg.c (revision e8e0929d) 
1 /*
2  * mac80211 configuration hooks for cfg80211
3  *
4  * Copyright 2006, 2007	Johannes Berg <johannes@sipsolutions.net>
5  *
6  * This file is GPLv2 as found in COPYING.
7  */
8 
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <net/net_namespace.h>
13 #include <linux/rcupdate.h>
14 #include <net/cfg80211.h>
15 #include "ieee80211_i.h"
16 #include "driver-ops.h"
17 #include "cfg.h"
18 #include "rate.h"
19 #include "mesh.h"
20 
21 static bool nl80211_type_check(enum nl80211_iftype type)
22 {
23 	switch (type) {
24 	case NL80211_IFTYPE_ADHOC:
25 	case NL80211_IFTYPE_STATION:
26 	case NL80211_IFTYPE_MONITOR:
27 #ifdef CONFIG_MAC80211_MESH
28 	case NL80211_IFTYPE_MESH_POINT:
29 #endif
30 	case NL80211_IFTYPE_AP:
31 	case NL80211_IFTYPE_AP_VLAN:
32 	case NL80211_IFTYPE_WDS:
33 		return true;
34 	default:
35 		return false;
36 	}
37 }
38 
39 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
40 			       enum nl80211_iftype type, u32 *flags,
41 			       struct vif_params *params)
42 {
43 	struct ieee80211_local *local = wiphy_priv(wiphy);
44 	struct net_device *dev;
45 	struct ieee80211_sub_if_data *sdata;
46 	int err;
47 
48 	if (!nl80211_type_check(type))
49 		return -EINVAL;
50 
51 	err = ieee80211_if_add(local, name, &dev, type, params);
52 	if (err || type != NL80211_IFTYPE_MONITOR || !flags)
53 		return err;
54 
55 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
56 	sdata->u.mntr_flags = *flags;
57 	return 0;
58 }
59 
60 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
61 {
62 	ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
63 
64 	return 0;
65 }
66 
67 static int ieee80211_change_iface(struct wiphy *wiphy,
68 				  struct net_device *dev,
69 				  enum nl80211_iftype type, u32 *flags,
70 				  struct vif_params *params)
71 {
72 	struct ieee80211_sub_if_data *sdata;
73 	int ret;
74 
75 	if (!nl80211_type_check(type))
76 		return -EINVAL;
77 
78 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
79 
80 	ret = ieee80211_if_change_type(sdata, type);
81 	if (ret)
82 		return ret;
83 
84 	if (netif_running(sdata->dev))
85 		return -EBUSY;
86 
87 	if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
88 		ieee80211_sdata_set_mesh_id(sdata,
89 					    params->mesh_id_len,
90 					    params->mesh_id);
91 
92 	if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
93 		return 0;
94 
95 	sdata->u.mntr_flags = *flags;
96 	return 0;
97 }
98 
99 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
100 			     u8 key_idx, const u8 *mac_addr,
101 			     struct key_params *params)
102 {
103 	struct ieee80211_sub_if_data *sdata;
104 	struct sta_info *sta = NULL;
105 	enum ieee80211_key_alg alg;
106 	struct ieee80211_key *key;
107 	int err;
108 
109 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
110 
111 	switch (params->cipher) {
112 	case WLAN_CIPHER_SUITE_WEP40:
113 	case WLAN_CIPHER_SUITE_WEP104:
114 		alg = ALG_WEP;
115 		break;
116 	case WLAN_CIPHER_SUITE_TKIP:
117 		alg = ALG_TKIP;
118 		break;
119 	case WLAN_CIPHER_SUITE_CCMP:
120 		alg = ALG_CCMP;
121 		break;
122 	case WLAN_CIPHER_SUITE_AES_CMAC:
123 		alg = ALG_AES_CMAC;
124 		break;
125 	default:
126 		return -EINVAL;
127 	}
128 
129 	key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
130 				  params->seq_len, params->seq);
131 	if (!key)
132 		return -ENOMEM;
133 
134 	rcu_read_lock();
135 
136 	if (mac_addr) {
137 		sta = sta_info_get(sdata->local, mac_addr);
138 		if (!sta) {
139 			ieee80211_key_free(key);
140 			err = -ENOENT;
141 			goto out_unlock;
142 		}
143 	}
144 
145 	ieee80211_key_link(key, sdata, sta);
146 
147 	err = 0;
148  out_unlock:
149 	rcu_read_unlock();
150 
151 	return err;
152 }
153 
154 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
155 			     u8 key_idx, const u8 *mac_addr)
156 {
157 	struct ieee80211_sub_if_data *sdata;
158 	struct sta_info *sta;
159 	int ret;
160 
161 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
162 
163 	rcu_read_lock();
164 
165 	if (mac_addr) {
166 		ret = -ENOENT;
167 
168 		sta = sta_info_get(sdata->local, mac_addr);
169 		if (!sta)
170 			goto out_unlock;
171 
172 		if (sta->key) {
173 			ieee80211_key_free(sta->key);
174 			WARN_ON(sta->key);
175 			ret = 0;
176 		}
177 
178 		goto out_unlock;
179 	}
180 
181 	if (!sdata->keys[key_idx]) {
182 		ret = -ENOENT;
183 		goto out_unlock;
184 	}
185 
186 	ieee80211_key_free(sdata->keys[key_idx]);
187 	WARN_ON(sdata->keys[key_idx]);
188 
189 	ret = 0;
190  out_unlock:
191 	rcu_read_unlock();
192 
193 	return ret;
194 }
195 
196 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
197 			     u8 key_idx, const u8 *mac_addr, void *cookie,
198 			     void (*callback)(void *cookie,
199 					      struct key_params *params))
200 {
201 	struct ieee80211_sub_if_data *sdata;
202 	struct sta_info *sta = NULL;
203 	u8 seq[6] = {0};
204 	struct key_params params;
205 	struct ieee80211_key *key;
206 	u32 iv32;
207 	u16 iv16;
208 	int err = -ENOENT;
209 
210 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
211 
212 	rcu_read_lock();
213 
214 	if (mac_addr) {
215 		sta = sta_info_get(sdata->local, mac_addr);
216 		if (!sta)
217 			goto out;
218 
219 		key = sta->key;
220 	} else
221 		key = sdata->keys[key_idx];
222 
223 	if (!key)
224 		goto out;
225 
226 	memset(&params, 0, sizeof(params));
227 
228 	switch (key->conf.alg) {
229 	case ALG_TKIP:
230 		params.cipher = WLAN_CIPHER_SUITE_TKIP;
231 
232 		iv32 = key->u.tkip.tx.iv32;
233 		iv16 = key->u.tkip.tx.iv16;
234 
235 		if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
236 			drv_get_tkip_seq(sdata->local,
237 					 key->conf.hw_key_idx,
238 					 &iv32, &iv16);
239 
240 		seq[0] = iv16 & 0xff;
241 		seq[1] = (iv16 >> 8) & 0xff;
242 		seq[2] = iv32 & 0xff;
243 		seq[3] = (iv32 >> 8) & 0xff;
244 		seq[4] = (iv32 >> 16) & 0xff;
245 		seq[5] = (iv32 >> 24) & 0xff;
246 		params.seq = seq;
247 		params.seq_len = 6;
248 		break;
249 	case ALG_CCMP:
250 		params.cipher = WLAN_CIPHER_SUITE_CCMP;
251 		seq[0] = key->u.ccmp.tx_pn[5];
252 		seq[1] = key->u.ccmp.tx_pn[4];
253 		seq[2] = key->u.ccmp.tx_pn[3];
254 		seq[3] = key->u.ccmp.tx_pn[2];
255 		seq[4] = key->u.ccmp.tx_pn[1];
256 		seq[5] = key->u.ccmp.tx_pn[0];
257 		params.seq = seq;
258 		params.seq_len = 6;
259 		break;
260 	case ALG_WEP:
261 		if (key->conf.keylen == 5)
262 			params.cipher = WLAN_CIPHER_SUITE_WEP40;
263 		else
264 			params.cipher = WLAN_CIPHER_SUITE_WEP104;
265 		break;
266 	case ALG_AES_CMAC:
267 		params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
268 		seq[0] = key->u.aes_cmac.tx_pn[5];
269 		seq[1] = key->u.aes_cmac.tx_pn[4];
270 		seq[2] = key->u.aes_cmac.tx_pn[3];
271 		seq[3] = key->u.aes_cmac.tx_pn[2];
272 		seq[4] = key->u.aes_cmac.tx_pn[1];
273 		seq[5] = key->u.aes_cmac.tx_pn[0];
274 		params.seq = seq;
275 		params.seq_len = 6;
276 		break;
277 	}
278 
279 	params.key = key->conf.key;
280 	params.key_len = key->conf.keylen;
281 
282 	callback(cookie, &params);
283 	err = 0;
284 
285  out:
286 	rcu_read_unlock();
287 	return err;
288 }
289 
290 static int ieee80211_config_default_key(struct wiphy *wiphy,
291 					struct net_device *dev,
292 					u8 key_idx)
293 {
294 	struct ieee80211_sub_if_data *sdata;
295 
296 	rcu_read_lock();
297 
298 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
299 	ieee80211_set_default_key(sdata, key_idx);
300 
301 	rcu_read_unlock();
302 
303 	return 0;
304 }
305 
306 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
307 					     struct net_device *dev,
308 					     u8 key_idx)
309 {
310 	struct ieee80211_sub_if_data *sdata;
311 
312 	rcu_read_lock();
313 
314 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
315 	ieee80211_set_default_mgmt_key(sdata, key_idx);
316 
317 	rcu_read_unlock();
318 
319 	return 0;
320 }
321 
322 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
323 {
324 	struct ieee80211_sub_if_data *sdata = sta->sdata;
325 
326 	sinfo->generation = sdata->local->sta_generation;
327 
328 	sinfo->filled = STATION_INFO_INACTIVE_TIME |
329 			STATION_INFO_RX_BYTES |
330 			STATION_INFO_TX_BYTES |
331 			STATION_INFO_RX_PACKETS |
332 			STATION_INFO_TX_PACKETS |
333 			STATION_INFO_TX_BITRATE;
334 
335 	sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
336 	sinfo->rx_bytes = sta->rx_bytes;
337 	sinfo->tx_bytes = sta->tx_bytes;
338 	sinfo->rx_packets = sta->rx_packets;
339 	sinfo->tx_packets = sta->tx_packets;
340 
341 	if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
342 		sinfo->filled |= STATION_INFO_SIGNAL;
343 		sinfo->signal = (s8)sta->last_signal;
344 	}
345 
346 	sinfo->txrate.flags = 0;
347 	if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
348 		sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
349 	if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
350 		sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
351 	if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
352 		sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
353 
354 	if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
355 		struct ieee80211_supported_band *sband;
356 		sband = sta->local->hw.wiphy->bands[
357 				sta->local->hw.conf.channel->band];
358 		sinfo->txrate.legacy =
359 			sband->bitrates[sta->last_tx_rate.idx].bitrate;
360 	} else
361 		sinfo->txrate.mcs = sta->last_tx_rate.idx;
362 
363 	if (ieee80211_vif_is_mesh(&sdata->vif)) {
364 #ifdef CONFIG_MAC80211_MESH
365 		sinfo->filled |= STATION_INFO_LLID |
366 				 STATION_INFO_PLID |
367 				 STATION_INFO_PLINK_STATE;
368 
369 		sinfo->llid = le16_to_cpu(sta->llid);
370 		sinfo->plid = le16_to_cpu(sta->plid);
371 		sinfo->plink_state = sta->plink_state;
372 #endif
373 	}
374 }
375 
376 
377 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
378 				 int idx, u8 *mac, struct station_info *sinfo)
379 {
380 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
381 	struct sta_info *sta;
382 	int ret = -ENOENT;
383 
384 	rcu_read_lock();
385 
386 	sta = sta_info_get_by_idx(local, idx, dev);
387 	if (sta) {
388 		ret = 0;
389 		memcpy(mac, sta->sta.addr, ETH_ALEN);
390 		sta_set_sinfo(sta, sinfo);
391 	}
392 
393 	rcu_read_unlock();
394 
395 	return ret;
396 }
397 
398 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
399 				 u8 *mac, struct station_info *sinfo)
400 {
401 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
402 	struct sta_info *sta;
403 	int ret = -ENOENT;
404 
405 	rcu_read_lock();
406 
407 	/* XXX: verify sta->dev == dev */
408 
409 	sta = sta_info_get(local, mac);
410 	if (sta) {
411 		ret = 0;
412 		sta_set_sinfo(sta, sinfo);
413 	}
414 
415 	rcu_read_unlock();
416 
417 	return ret;
418 }
419 
420 /*
421  * This handles both adding a beacon and setting new beacon info
422  */
423 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
424 				   struct beacon_parameters *params)
425 {
426 	struct beacon_data *new, *old;
427 	int new_head_len, new_tail_len;
428 	int size;
429 	int err = -EINVAL;
430 
431 	old = sdata->u.ap.beacon;
432 
433 	/* head must not be zero-length */
434 	if (params->head && !params->head_len)
435 		return -EINVAL;
436 
437 	/*
438 	 * This is a kludge. beacon interval should really be part
439 	 * of the beacon information.
440 	 */
441 	if (params->interval &&
442 	    (sdata->vif.bss_conf.beacon_int != params->interval)) {
443 		sdata->vif.bss_conf.beacon_int = params->interval;
444 		ieee80211_bss_info_change_notify(sdata,
445 						 BSS_CHANGED_BEACON_INT);
446 	}
447 
448 	/* Need to have a beacon head if we don't have one yet */
449 	if (!params->head && !old)
450 		return err;
451 
452 	/* sorry, no way to start beaconing without dtim period */
453 	if (!params->dtim_period && !old)
454 		return err;
455 
456 	/* new or old head? */
457 	if (params->head)
458 		new_head_len = params->head_len;
459 	else
460 		new_head_len = old->head_len;
461 
462 	/* new or old tail? */
463 	if (params->tail || !old)
464 		/* params->tail_len will be zero for !params->tail */
465 		new_tail_len = params->tail_len;
466 	else
467 		new_tail_len = old->tail_len;
468 
469 	size = sizeof(*new) + new_head_len + new_tail_len;
470 
471 	new = kzalloc(size, GFP_KERNEL);
472 	if (!new)
473 		return -ENOMEM;
474 
475 	/* start filling the new info now */
476 
477 	/* new or old dtim period? */
478 	if (params->dtim_period)
479 		new->dtim_period = params->dtim_period;
480 	else
481 		new->dtim_period = old->dtim_period;
482 
483 	/*
484 	 * pointers go into the block we allocated,
485 	 * memory is | beacon_data | head | tail |
486 	 */
487 	new->head = ((u8 *) new) + sizeof(*new);
488 	new->tail = new->head + new_head_len;
489 	new->head_len = new_head_len;
490 	new->tail_len = new_tail_len;
491 
492 	/* copy in head */
493 	if (params->head)
494 		memcpy(new->head, params->head, new_head_len);
495 	else
496 		memcpy(new->head, old->head, new_head_len);
497 
498 	/* copy in optional tail */
499 	if (params->tail)
500 		memcpy(new->tail, params->tail, new_tail_len);
501 	else
502 		if (old)
503 			memcpy(new->tail, old->tail, new_tail_len);
504 
505 	rcu_assign_pointer(sdata->u.ap.beacon, new);
506 
507 	synchronize_rcu();
508 
509 	kfree(old);
510 
511 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
512 						BSS_CHANGED_BEACON);
513 	return 0;
514 }
515 
516 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
517 				struct beacon_parameters *params)
518 {
519 	struct ieee80211_sub_if_data *sdata;
520 	struct beacon_data *old;
521 
522 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
523 
524 	old = sdata->u.ap.beacon;
525 
526 	if (old)
527 		return -EALREADY;
528 
529 	return ieee80211_config_beacon(sdata, params);
530 }
531 
532 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
533 				struct beacon_parameters *params)
534 {
535 	struct ieee80211_sub_if_data *sdata;
536 	struct beacon_data *old;
537 
538 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
539 
540 	old = sdata->u.ap.beacon;
541 
542 	if (!old)
543 		return -ENOENT;
544 
545 	return ieee80211_config_beacon(sdata, params);
546 }
547 
548 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
549 {
550 	struct ieee80211_sub_if_data *sdata;
551 	struct beacon_data *old;
552 
553 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
554 
555 	old = sdata->u.ap.beacon;
556 
557 	if (!old)
558 		return -ENOENT;
559 
560 	rcu_assign_pointer(sdata->u.ap.beacon, NULL);
561 	synchronize_rcu();
562 	kfree(old);
563 
564 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
565 	return 0;
566 }
567 
568 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
569 struct iapp_layer2_update {
570 	u8 da[ETH_ALEN];	/* broadcast */
571 	u8 sa[ETH_ALEN];	/* STA addr */
572 	__be16 len;		/* 6 */
573 	u8 dsap;		/* 0 */
574 	u8 ssap;		/* 0 */
575 	u8 control;
576 	u8 xid_info[3];
577 } __attribute__ ((packed));
578 
579 static void ieee80211_send_layer2_update(struct sta_info *sta)
580 {
581 	struct iapp_layer2_update *msg;
582 	struct sk_buff *skb;
583 
584 	/* Send Level 2 Update Frame to update forwarding tables in layer 2
585 	 * bridge devices */
586 
587 	skb = dev_alloc_skb(sizeof(*msg));
588 	if (!skb)
589 		return;
590 	msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
591 
592 	/* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
593 	 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
594 
595 	memset(msg->da, 0xff, ETH_ALEN);
596 	memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
597 	msg->len = htons(6);
598 	msg->dsap = 0;
599 	msg->ssap = 0x01;	/* NULL LSAP, CR Bit: Response */
600 	msg->control = 0xaf;	/* XID response lsb.1111F101.
601 				 * F=0 (no poll command; unsolicited frame) */
602 	msg->xid_info[0] = 0x81;	/* XID format identifier */
603 	msg->xid_info[1] = 1;	/* LLC types/classes: Type 1 LLC */
604 	msg->xid_info[2] = 0;	/* XID sender's receive window size (RW) */
605 
606 	skb->dev = sta->sdata->dev;
607 	skb->protocol = eth_type_trans(skb, sta->sdata->dev);
608 	memset(skb->cb, 0, sizeof(skb->cb));
609 	netif_rx(skb);
610 }
611 
612 static void sta_apply_parameters(struct ieee80211_local *local,
613 				 struct sta_info *sta,
614 				 struct station_parameters *params)
615 {
616 	u32 rates;
617 	int i, j;
618 	struct ieee80211_supported_band *sband;
619 	struct ieee80211_sub_if_data *sdata = sta->sdata;
620 	u32 mask, set;
621 
622 	sband = local->hw.wiphy->bands[local->oper_channel->band];
623 
624 	spin_lock_bh(&sta->lock);
625 	mask = params->sta_flags_mask;
626 	set = params->sta_flags_set;
627 
628 	if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
629 		sta->flags &= ~WLAN_STA_AUTHORIZED;
630 		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
631 			sta->flags |= WLAN_STA_AUTHORIZED;
632 	}
633 
634 	if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
635 		sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
636 		if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
637 			sta->flags |= WLAN_STA_SHORT_PREAMBLE;
638 	}
639 
640 	if (mask & BIT(NL80211_STA_FLAG_WME)) {
641 		sta->flags &= ~WLAN_STA_WME;
642 		if (set & BIT(NL80211_STA_FLAG_WME))
643 			sta->flags |= WLAN_STA_WME;
644 	}
645 
646 	if (mask & BIT(NL80211_STA_FLAG_MFP)) {
647 		sta->flags &= ~WLAN_STA_MFP;
648 		if (set & BIT(NL80211_STA_FLAG_MFP))
649 			sta->flags |= WLAN_STA_MFP;
650 	}
651 	spin_unlock_bh(&sta->lock);
652 
653 	/*
654 	 * cfg80211 validates this (1-2007) and allows setting the AID
655 	 * only when creating a new station entry
656 	 */
657 	if (params->aid)
658 		sta->sta.aid = params->aid;
659 
660 	/*
661 	 * FIXME: updating the following information is racy when this
662 	 *	  function is called from ieee80211_change_station().
663 	 *	  However, all this information should be static so
664 	 *	  maybe we should just reject attemps to change it.
665 	 */
666 
667 	if (params->listen_interval >= 0)
668 		sta->listen_interval = params->listen_interval;
669 
670 	if (params->supported_rates) {
671 		rates = 0;
672 
673 		for (i = 0; i < params->supported_rates_len; i++) {
674 			int rate = (params->supported_rates[i] & 0x7f) * 5;
675 			for (j = 0; j < sband->n_bitrates; j++) {
676 				if (sband->bitrates[j].bitrate == rate)
677 					rates |= BIT(j);
678 			}
679 		}
680 		sta->sta.supp_rates[local->oper_channel->band] = rates;
681 	}
682 
683 	if (params->ht_capa)
684 		ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
685 						  params->ht_capa,
686 						  &sta->sta.ht_cap);
687 
688 	if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
689 		switch (params->plink_action) {
690 		case PLINK_ACTION_OPEN:
691 			mesh_plink_open(sta);
692 			break;
693 		case PLINK_ACTION_BLOCK:
694 			mesh_plink_block(sta);
695 			break;
696 		}
697 	}
698 }
699 
700 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
701 				 u8 *mac, struct station_parameters *params)
702 {
703 	struct ieee80211_local *local = wiphy_priv(wiphy);
704 	struct sta_info *sta;
705 	struct ieee80211_sub_if_data *sdata;
706 	int err;
707 	int layer2_update;
708 
709 	if (params->vlan) {
710 		sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
711 
712 		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
713 		    sdata->vif.type != NL80211_IFTYPE_AP)
714 			return -EINVAL;
715 	} else
716 		sdata = IEEE80211_DEV_TO_SUB_IF(dev);
717 
718 	if (compare_ether_addr(mac, dev->dev_addr) == 0)
719 		return -EINVAL;
720 
721 	if (is_multicast_ether_addr(mac))
722 		return -EINVAL;
723 
724 	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
725 	if (!sta)
726 		return -ENOMEM;
727 
728 	sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
729 
730 	sta_apply_parameters(local, sta, params);
731 
732 	rate_control_rate_init(sta);
733 
734 	layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
735 		sdata->vif.type == NL80211_IFTYPE_AP;
736 
737 	rcu_read_lock();
738 
739 	err = sta_info_insert(sta);
740 	if (err) {
741 		/* STA has been freed */
742 		if (err == -EEXIST && layer2_update) {
743 			/* Need to update layer 2 devices on reassociation */
744 			sta = sta_info_get(local, mac);
745 			if (sta)
746 				ieee80211_send_layer2_update(sta);
747 		}
748 		rcu_read_unlock();
749 		return err;
750 	}
751 
752 	if (layer2_update)
753 		ieee80211_send_layer2_update(sta);
754 
755 	rcu_read_unlock();
756 
757 	return 0;
758 }
759 
760 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
761 				 u8 *mac)
762 {
763 	struct ieee80211_local *local = wiphy_priv(wiphy);
764 	struct ieee80211_sub_if_data *sdata;
765 	struct sta_info *sta;
766 
767 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
768 
769 	if (mac) {
770 		rcu_read_lock();
771 
772 		/* XXX: get sta belonging to dev */
773 		sta = sta_info_get(local, mac);
774 		if (!sta) {
775 			rcu_read_unlock();
776 			return -ENOENT;
777 		}
778 
779 		sta_info_unlink(&sta);
780 		rcu_read_unlock();
781 
782 		sta_info_destroy(sta);
783 	} else
784 		sta_info_flush(local, sdata);
785 
786 	return 0;
787 }
788 
789 static int ieee80211_change_station(struct wiphy *wiphy,
790 				    struct net_device *dev,
791 				    u8 *mac,
792 				    struct station_parameters *params)
793 {
794 	struct ieee80211_local *local = wiphy_priv(wiphy);
795 	struct sta_info *sta;
796 	struct ieee80211_sub_if_data *vlansdata;
797 
798 	rcu_read_lock();
799 
800 	/* XXX: get sta belonging to dev */
801 	sta = sta_info_get(local, mac);
802 	if (!sta) {
803 		rcu_read_unlock();
804 		return -ENOENT;
805 	}
806 
807 	if (params->vlan && params->vlan != sta->sdata->dev) {
808 		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
809 
810 		if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
811 		    vlansdata->vif.type != NL80211_IFTYPE_AP) {
812 			rcu_read_unlock();
813 			return -EINVAL;
814 		}
815 
816 		sta->sdata = vlansdata;
817 		ieee80211_send_layer2_update(sta);
818 	}
819 
820 	sta_apply_parameters(local, sta, params);
821 
822 	rcu_read_unlock();
823 
824 	return 0;
825 }
826 
827 #ifdef CONFIG_MAC80211_MESH
828 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
829 				 u8 *dst, u8 *next_hop)
830 {
831 	struct ieee80211_local *local = wiphy_priv(wiphy);
832 	struct ieee80211_sub_if_data *sdata;
833 	struct mesh_path *mpath;
834 	struct sta_info *sta;
835 	int err;
836 
837 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
838 
839 	rcu_read_lock();
840 	sta = sta_info_get(local, next_hop);
841 	if (!sta) {
842 		rcu_read_unlock();
843 		return -ENOENT;
844 	}
845 
846 	err = mesh_path_add(dst, sdata);
847 	if (err) {
848 		rcu_read_unlock();
849 		return err;
850 	}
851 
852 	mpath = mesh_path_lookup(dst, sdata);
853 	if (!mpath) {
854 		rcu_read_unlock();
855 		return -ENXIO;
856 	}
857 	mesh_path_fix_nexthop(mpath, sta);
858 
859 	rcu_read_unlock();
860 	return 0;
861 }
862 
863 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
864 				 u8 *dst)
865 {
866 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
867 
868 	if (dst)
869 		return mesh_path_del(dst, sdata);
870 
871 	mesh_path_flush(sdata);
872 	return 0;
873 }
874 
875 static int ieee80211_change_mpath(struct wiphy *wiphy,
876 				    struct net_device *dev,
877 				    u8 *dst, u8 *next_hop)
878 {
879 	struct ieee80211_local *local = wiphy_priv(wiphy);
880 	struct ieee80211_sub_if_data *sdata;
881 	struct mesh_path *mpath;
882 	struct sta_info *sta;
883 
884 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
885 
886 	rcu_read_lock();
887 
888 	sta = sta_info_get(local, next_hop);
889 	if (!sta) {
890 		rcu_read_unlock();
891 		return -ENOENT;
892 	}
893 
894 	mpath = mesh_path_lookup(dst, sdata);
895 	if (!mpath) {
896 		rcu_read_unlock();
897 		return -ENOENT;
898 	}
899 
900 	mesh_path_fix_nexthop(mpath, sta);
901 
902 	rcu_read_unlock();
903 	return 0;
904 }
905 
906 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
907 			    struct mpath_info *pinfo)
908 {
909 	if (mpath->next_hop)
910 		memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
911 	else
912 		memset(next_hop, 0, ETH_ALEN);
913 
914 	pinfo->generation = mesh_paths_generation;
915 
916 	pinfo->filled = MPATH_INFO_FRAME_QLEN |
917 			MPATH_INFO_DSN |
918 			MPATH_INFO_METRIC |
919 			MPATH_INFO_EXPTIME |
920 			MPATH_INFO_DISCOVERY_TIMEOUT |
921 			MPATH_INFO_DISCOVERY_RETRIES |
922 			MPATH_INFO_FLAGS;
923 
924 	pinfo->frame_qlen = mpath->frame_queue.qlen;
925 	pinfo->dsn = mpath->dsn;
926 	pinfo->metric = mpath->metric;
927 	if (time_before(jiffies, mpath->exp_time))
928 		pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
929 	pinfo->discovery_timeout =
930 			jiffies_to_msecs(mpath->discovery_timeout);
931 	pinfo->discovery_retries = mpath->discovery_retries;
932 	pinfo->flags = 0;
933 	if (mpath->flags & MESH_PATH_ACTIVE)
934 		pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
935 	if (mpath->flags & MESH_PATH_RESOLVING)
936 		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
937 	if (mpath->flags & MESH_PATH_DSN_VALID)
938 		pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
939 	if (mpath->flags & MESH_PATH_FIXED)
940 		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
941 	if (mpath->flags & MESH_PATH_RESOLVING)
942 		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
943 
944 	pinfo->flags = mpath->flags;
945 }
946 
947 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
948 			       u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
949 
950 {
951 	struct ieee80211_sub_if_data *sdata;
952 	struct mesh_path *mpath;
953 
954 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
955 
956 	rcu_read_lock();
957 	mpath = mesh_path_lookup(dst, sdata);
958 	if (!mpath) {
959 		rcu_read_unlock();
960 		return -ENOENT;
961 	}
962 	memcpy(dst, mpath->dst, ETH_ALEN);
963 	mpath_set_pinfo(mpath, next_hop, pinfo);
964 	rcu_read_unlock();
965 	return 0;
966 }
967 
968 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
969 				 int idx, u8 *dst, u8 *next_hop,
970 				 struct mpath_info *pinfo)
971 {
972 	struct ieee80211_sub_if_data *sdata;
973 	struct mesh_path *mpath;
974 
975 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
976 
977 	rcu_read_lock();
978 	mpath = mesh_path_lookup_by_idx(idx, sdata);
979 	if (!mpath) {
980 		rcu_read_unlock();
981 		return -ENOENT;
982 	}
983 	memcpy(dst, mpath->dst, ETH_ALEN);
984 	mpath_set_pinfo(mpath, next_hop, pinfo);
985 	rcu_read_unlock();
986 	return 0;
987 }
988 
989 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
990 				struct net_device *dev,
991 				struct mesh_config *conf)
992 {
993 	struct ieee80211_sub_if_data *sdata;
994 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
995 
996 	memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
997 	return 0;
998 }
999 
1000 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1001 {
1002 	return (mask >> (parm-1)) & 0x1;
1003 }
1004 
1005 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1006 				struct net_device *dev,
1007 				const struct mesh_config *nconf, u32 mask)
1008 {
1009 	struct mesh_config *conf;
1010 	struct ieee80211_sub_if_data *sdata;
1011 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1012 
1013 	/* Set the config options which we are interested in setting */
1014 	conf = &(sdata->u.mesh.mshcfg);
1015 	if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1016 		conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1017 	if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1018 		conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1019 	if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1020 		conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1021 	if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1022 		conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1023 	if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1024 		conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1025 	if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1026 		conf->dot11MeshTTL = nconf->dot11MeshTTL;
1027 	if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1028 		conf->auto_open_plinks = nconf->auto_open_plinks;
1029 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1030 		conf->dot11MeshHWMPmaxPREQretries =
1031 			nconf->dot11MeshHWMPmaxPREQretries;
1032 	if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1033 		conf->path_refresh_time = nconf->path_refresh_time;
1034 	if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1035 		conf->min_discovery_timeout = nconf->min_discovery_timeout;
1036 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1037 		conf->dot11MeshHWMPactivePathTimeout =
1038 			nconf->dot11MeshHWMPactivePathTimeout;
1039 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1040 		conf->dot11MeshHWMPpreqMinInterval =
1041 			nconf->dot11MeshHWMPpreqMinInterval;
1042 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1043 			   mask))
1044 		conf->dot11MeshHWMPnetDiameterTraversalTime =
1045 			nconf->dot11MeshHWMPnetDiameterTraversalTime;
1046 	return 0;
1047 }
1048 
1049 #endif
1050 
1051 static int ieee80211_change_bss(struct wiphy *wiphy,
1052 				struct net_device *dev,
1053 				struct bss_parameters *params)
1054 {
1055 	struct ieee80211_sub_if_data *sdata;
1056 	u32 changed = 0;
1057 
1058 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1059 
1060 	if (params->use_cts_prot >= 0) {
1061 		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1062 		changed |= BSS_CHANGED_ERP_CTS_PROT;
1063 	}
1064 	if (params->use_short_preamble >= 0) {
1065 		sdata->vif.bss_conf.use_short_preamble =
1066 			params->use_short_preamble;
1067 		changed |= BSS_CHANGED_ERP_PREAMBLE;
1068 	}
1069 	if (params->use_short_slot_time >= 0) {
1070 		sdata->vif.bss_conf.use_short_slot =
1071 			params->use_short_slot_time;
1072 		changed |= BSS_CHANGED_ERP_SLOT;
1073 	}
1074 
1075 	if (params->basic_rates) {
1076 		int i, j;
1077 		u32 rates = 0;
1078 		struct ieee80211_local *local = wiphy_priv(wiphy);
1079 		struct ieee80211_supported_band *sband =
1080 			wiphy->bands[local->oper_channel->band];
1081 
1082 		for (i = 0; i < params->basic_rates_len; i++) {
1083 			int rate = (params->basic_rates[i] & 0x7f) * 5;
1084 			for (j = 0; j < sband->n_bitrates; j++) {
1085 				if (sband->bitrates[j].bitrate == rate)
1086 					rates |= BIT(j);
1087 			}
1088 		}
1089 		sdata->vif.bss_conf.basic_rates = rates;
1090 		changed |= BSS_CHANGED_BASIC_RATES;
1091 	}
1092 
1093 	ieee80211_bss_info_change_notify(sdata, changed);
1094 
1095 	return 0;
1096 }
1097 
1098 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1099 				    struct ieee80211_txq_params *params)
1100 {
1101 	struct ieee80211_local *local = wiphy_priv(wiphy);
1102 	struct ieee80211_tx_queue_params p;
1103 
1104 	if (!local->ops->conf_tx)
1105 		return -EOPNOTSUPP;
1106 
1107 	memset(&p, 0, sizeof(p));
1108 	p.aifs = params->aifs;
1109 	p.cw_max = params->cwmax;
1110 	p.cw_min = params->cwmin;
1111 	p.txop = params->txop;
1112 	if (drv_conf_tx(local, params->queue, &p)) {
1113 		printk(KERN_DEBUG "%s: failed to set TX queue "
1114 		       "parameters for queue %d\n",
1115 		       wiphy_name(local->hw.wiphy), params->queue);
1116 		return -EINVAL;
1117 	}
1118 
1119 	return 0;
1120 }
1121 
1122 static int ieee80211_set_channel(struct wiphy *wiphy,
1123 				 struct ieee80211_channel *chan,
1124 				 enum nl80211_channel_type channel_type)
1125 {
1126 	struct ieee80211_local *local = wiphy_priv(wiphy);
1127 
1128 	local->oper_channel = chan;
1129 	local->oper_channel_type = channel_type;
1130 
1131 	return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1132 }
1133 
1134 #ifdef CONFIG_PM
1135 static int ieee80211_suspend(struct wiphy *wiphy)
1136 {
1137 	return __ieee80211_suspend(wiphy_priv(wiphy));
1138 }
1139 
1140 static int ieee80211_resume(struct wiphy *wiphy)
1141 {
1142 	return __ieee80211_resume(wiphy_priv(wiphy));
1143 }
1144 #else
1145 #define ieee80211_suspend NULL
1146 #define ieee80211_resume NULL
1147 #endif
1148 
1149 static int ieee80211_scan(struct wiphy *wiphy,
1150 			  struct net_device *dev,
1151 			  struct cfg80211_scan_request *req)
1152 {
1153 	struct ieee80211_sub_if_data *sdata;
1154 
1155 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1156 
1157 	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1158 	    sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1159 	    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1160 	    (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1161 		return -EOPNOTSUPP;
1162 
1163 	return ieee80211_request_scan(sdata, req);
1164 }
1165 
1166 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1167 			  struct cfg80211_auth_request *req)
1168 {
1169 	return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1170 }
1171 
1172 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1173 			   struct cfg80211_assoc_request *req)
1174 {
1175 	return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1176 }
1177 
1178 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1179 			    struct cfg80211_deauth_request *req,
1180 			    void *cookie)
1181 {
1182 	return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1183 				    req, cookie);
1184 }
1185 
1186 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1187 			      struct cfg80211_disassoc_request *req,
1188 			      void *cookie)
1189 {
1190 	return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1191 				      req, cookie);
1192 }
1193 
1194 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1195 			       struct cfg80211_ibss_params *params)
1196 {
1197 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1198 
1199 	return ieee80211_ibss_join(sdata, params);
1200 }
1201 
1202 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1203 {
1204 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1205 
1206 	return ieee80211_ibss_leave(sdata);
1207 }
1208 
1209 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1210 {
1211 	struct ieee80211_local *local = wiphy_priv(wiphy);
1212 	int err;
1213 
1214 	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1215 		err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1216 
1217 		if (err)
1218 			return err;
1219 	}
1220 
1221 	if (changed & WIPHY_PARAM_RETRY_SHORT)
1222 		local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1223 	if (changed & WIPHY_PARAM_RETRY_LONG)
1224 		local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1225 	if (changed &
1226 	    (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1227 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1228 
1229 	return 0;
1230 }
1231 
1232 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1233 				  enum tx_power_setting type, int dbm)
1234 {
1235 	struct ieee80211_local *local = wiphy_priv(wiphy);
1236 	struct ieee80211_channel *chan = local->hw.conf.channel;
1237 	u32 changes = 0;
1238 
1239 	switch (type) {
1240 	case TX_POWER_AUTOMATIC:
1241 		local->user_power_level = -1;
1242 		break;
1243 	case TX_POWER_LIMITED:
1244 		if (dbm < 0)
1245 			return -EINVAL;
1246 		local->user_power_level = dbm;
1247 		break;
1248 	case TX_POWER_FIXED:
1249 		if (dbm < 0)
1250 			return -EINVAL;
1251 		/* TODO: move to cfg80211 when it knows the channel */
1252 		if (dbm > chan->max_power)
1253 			return -EINVAL;
1254 		local->user_power_level = dbm;
1255 		break;
1256 	}
1257 
1258 	ieee80211_hw_config(local, changes);
1259 
1260 	return 0;
1261 }
1262 
1263 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1264 {
1265 	struct ieee80211_local *local = wiphy_priv(wiphy);
1266 
1267 	*dbm = local->hw.conf.power_level;
1268 
1269 	return 0;
1270 }
1271 
1272 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1273 				  u8 *addr)
1274 {
1275 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1276 
1277 	memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1278 
1279 	return 0;
1280 }
1281 
1282 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1283 {
1284 	struct ieee80211_local *local = wiphy_priv(wiphy);
1285 
1286 	drv_rfkill_poll(local);
1287 }
1288 
1289 #ifdef CONFIG_NL80211_TESTMODE
1290 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1291 {
1292 	struct ieee80211_local *local = wiphy_priv(wiphy);
1293 
1294 	if (!local->ops->testmode_cmd)
1295 		return -EOPNOTSUPP;
1296 
1297 	return local->ops->testmode_cmd(&local->hw, data, len);
1298 }
1299 #endif
1300 
1301 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1302 				    bool enabled, int timeout)
1303 {
1304 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1305 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1306 	struct ieee80211_conf *conf = &local->hw.conf;
1307 
1308 	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1309 		return -EOPNOTSUPP;
1310 
1311 	if (enabled == sdata->u.mgd.powersave &&
1312 	    timeout == conf->dynamic_ps_timeout)
1313 		return 0;
1314 
1315 	sdata->u.mgd.powersave = enabled;
1316 	conf->dynamic_ps_timeout = timeout;
1317 
1318 	if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1319 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1320 
1321 	ieee80211_recalc_ps(local, -1);
1322 
1323 	return 0;
1324 }
1325 
1326 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1327 				      struct net_device *dev,
1328 				      const u8 *addr,
1329 				      const struct cfg80211_bitrate_mask *mask)
1330 {
1331 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1332 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1333 	int i, err = -EINVAL;
1334 	u32 target_rate;
1335 	struct ieee80211_supported_band *sband;
1336 
1337 	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1338 
1339 	/* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
1340 	 * target_rate = X, rate->fixed = 1 means only rate X
1341 	 * target_rate = X, rate->fixed = 0 means all rates <= X */
1342 	sdata->max_ratectrl_rateidx = -1;
1343 	sdata->force_unicast_rateidx = -1;
1344 
1345 	if (mask->fixed)
1346 		target_rate = mask->fixed / 100;
1347 	else if (mask->maxrate)
1348 		target_rate = mask->maxrate / 100;
1349 	else
1350 		return 0;
1351 
1352 	for (i=0; i< sband->n_bitrates; i++) {
1353 		struct ieee80211_rate *brate = &sband->bitrates[i];
1354 		int this_rate = brate->bitrate;
1355 
1356 		if (target_rate == this_rate) {
1357 			sdata->max_ratectrl_rateidx = i;
1358 			if (mask->fixed)
1359 				sdata->force_unicast_rateidx = i;
1360 			err = 0;
1361 			break;
1362 		}
1363 	}
1364 
1365 	return err;
1366 }
1367 
1368 struct cfg80211_ops mac80211_config_ops = {
1369 	.add_virtual_intf = ieee80211_add_iface,
1370 	.del_virtual_intf = ieee80211_del_iface,
1371 	.change_virtual_intf = ieee80211_change_iface,
1372 	.add_key = ieee80211_add_key,
1373 	.del_key = ieee80211_del_key,
1374 	.get_key = ieee80211_get_key,
1375 	.set_default_key = ieee80211_config_default_key,
1376 	.set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1377 	.add_beacon = ieee80211_add_beacon,
1378 	.set_beacon = ieee80211_set_beacon,
1379 	.del_beacon = ieee80211_del_beacon,
1380 	.add_station = ieee80211_add_station,
1381 	.del_station = ieee80211_del_station,
1382 	.change_station = ieee80211_change_station,
1383 	.get_station = ieee80211_get_station,
1384 	.dump_station = ieee80211_dump_station,
1385 #ifdef CONFIG_MAC80211_MESH
1386 	.add_mpath = ieee80211_add_mpath,
1387 	.del_mpath = ieee80211_del_mpath,
1388 	.change_mpath = ieee80211_change_mpath,
1389 	.get_mpath = ieee80211_get_mpath,
1390 	.dump_mpath = ieee80211_dump_mpath,
1391 	.set_mesh_params = ieee80211_set_mesh_params,
1392 	.get_mesh_params = ieee80211_get_mesh_params,
1393 #endif
1394 	.change_bss = ieee80211_change_bss,
1395 	.set_txq_params = ieee80211_set_txq_params,
1396 	.set_channel = ieee80211_set_channel,
1397 	.suspend = ieee80211_suspend,
1398 	.resume = ieee80211_resume,
1399 	.scan = ieee80211_scan,
1400 	.auth = ieee80211_auth,
1401 	.assoc = ieee80211_assoc,
1402 	.deauth = ieee80211_deauth,
1403 	.disassoc = ieee80211_disassoc,
1404 	.join_ibss = ieee80211_join_ibss,
1405 	.leave_ibss = ieee80211_leave_ibss,
1406 	.set_wiphy_params = ieee80211_set_wiphy_params,
1407 	.set_tx_power = ieee80211_set_tx_power,
1408 	.get_tx_power = ieee80211_get_tx_power,
1409 	.set_wds_peer = ieee80211_set_wds_peer,
1410 	.rfkill_poll = ieee80211_rfkill_poll,
1411 	CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1412 	.set_power_mgmt = ieee80211_set_power_mgmt,
1413 	.set_bitrate_mask = ieee80211_set_bitrate_mask,
1414 };
1415