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Commit | Line | Data |
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f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
62da92fb | 4 | * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
5 | * |
6 | * This file is GPLv2 as found in COPYING. | |
7 | */ | |
8 | ||
e8cbb4cb | 9 | #include <linux/ieee80211.h> |
f0706e82 JB |
10 | #include <linux/nl80211.h> |
11 | #include <linux/rtnetlink.h> | |
881d966b | 12 | #include <net/net_namespace.h> |
5dfdaf58 | 13 | #include <linux/rcupdate.h> |
f0706e82 JB |
14 | #include <net/cfg80211.h> |
15 | #include "ieee80211_i.h" | |
e0eb6859 | 16 | #include "cfg.h" |
4fd6931e | 17 | #include "ieee80211_rate.h" |
f0706e82 | 18 | |
42613db7 JB |
19 | static enum ieee80211_if_types |
20 | nl80211_type_to_mac80211_type(enum nl80211_iftype type) | |
21 | { | |
22 | switch (type) { | |
23 | case NL80211_IFTYPE_UNSPECIFIED: | |
24 | return IEEE80211_IF_TYPE_STA; | |
25 | case NL80211_IFTYPE_ADHOC: | |
26 | return IEEE80211_IF_TYPE_IBSS; | |
27 | case NL80211_IFTYPE_STATION: | |
28 | return IEEE80211_IF_TYPE_STA; | |
29 | case NL80211_IFTYPE_MONITOR: | |
30 | return IEEE80211_IF_TYPE_MNTR; | |
31 | default: | |
32 | return IEEE80211_IF_TYPE_INVALID; | |
33 | } | |
34 | } | |
35 | ||
f0706e82 | 36 | static int ieee80211_add_iface(struct wiphy *wiphy, char *name, |
2ec600d6 LCC |
37 | enum nl80211_iftype type, u32 *flags, |
38 | struct vif_params *params) | |
f0706e82 JB |
39 | { |
40 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
42613db7 | 41 | enum ieee80211_if_types itype; |
8cc9a739 MW |
42 | struct net_device *dev; |
43 | struct ieee80211_sub_if_data *sdata; | |
44 | int err; | |
f0706e82 JB |
45 | |
46 | if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) | |
47 | return -ENODEV; | |
48 | ||
42613db7 JB |
49 | itype = nl80211_type_to_mac80211_type(type); |
50 | if (itype == IEEE80211_IF_TYPE_INVALID) | |
f0706e82 | 51 | return -EINVAL; |
f0706e82 | 52 | |
ee385855 | 53 | err = ieee80211_if_add(local->mdev, name, &dev, itype, params); |
8cc9a739 MW |
54 | if (err || itype != IEEE80211_IF_TYPE_MNTR || !flags) |
55 | return err; | |
56 | ||
57 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
58 | sdata->u.mntr_flags = *flags; | |
59 | return 0; | |
f0706e82 JB |
60 | } |
61 | ||
62 | static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex) | |
63 | { | |
64 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
65 | struct net_device *dev; | |
66 | char *name; | |
67 | ||
68 | if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) | |
69 | return -ENODEV; | |
70 | ||
42613db7 JB |
71 | /* we're under RTNL */ |
72 | dev = __dev_get_by_index(&init_net, ifindex); | |
f0706e82 JB |
73 | if (!dev) |
74 | return 0; | |
75 | ||
76 | name = dev->name; | |
f0706e82 JB |
77 | |
78 | return ieee80211_if_remove(local->mdev, name, -1); | |
79 | } | |
80 | ||
42613db7 | 81 | static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, |
2ec600d6 LCC |
82 | enum nl80211_iftype type, u32 *flags, |
83 | struct vif_params *params) | |
42613db7 JB |
84 | { |
85 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
86 | struct net_device *dev; | |
87 | enum ieee80211_if_types itype; | |
88 | struct ieee80211_sub_if_data *sdata; | |
89 | ||
90 | if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) | |
91 | return -ENODEV; | |
92 | ||
93 | /* we're under RTNL */ | |
94 | dev = __dev_get_by_index(&init_net, ifindex); | |
95 | if (!dev) | |
96 | return -ENODEV; | |
97 | ||
98 | if (netif_running(dev)) | |
99 | return -EBUSY; | |
100 | ||
101 | itype = nl80211_type_to_mac80211_type(type); | |
102 | if (itype == IEEE80211_IF_TYPE_INVALID) | |
103 | return -EINVAL; | |
104 | ||
105 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
106 | ||
51fb61e7 | 107 | if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN) |
42613db7 JB |
108 | return -EOPNOTSUPP; |
109 | ||
110 | ieee80211_if_reinit(dev); | |
111 | ieee80211_if_set_type(dev, itype); | |
112 | ||
8cc9a739 MW |
113 | if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR || !flags) |
114 | return 0; | |
115 | ||
116 | sdata->u.mntr_flags = *flags; | |
42613db7 JB |
117 | return 0; |
118 | } | |
119 | ||
e8cbb4cb JB |
120 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
121 | u8 key_idx, u8 *mac_addr, | |
122 | struct key_params *params) | |
123 | { | |
124 | struct ieee80211_sub_if_data *sdata; | |
125 | struct sta_info *sta = NULL; | |
126 | enum ieee80211_key_alg alg; | |
127 | int ret; | |
db4d1169 | 128 | struct ieee80211_key *key; |
e8cbb4cb JB |
129 | |
130 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
131 | ||
132 | switch (params->cipher) { | |
133 | case WLAN_CIPHER_SUITE_WEP40: | |
134 | case WLAN_CIPHER_SUITE_WEP104: | |
135 | alg = ALG_WEP; | |
136 | break; | |
137 | case WLAN_CIPHER_SUITE_TKIP: | |
138 | alg = ALG_TKIP; | |
139 | break; | |
140 | case WLAN_CIPHER_SUITE_CCMP: | |
141 | alg = ALG_CCMP; | |
142 | break; | |
143 | default: | |
144 | return -EINVAL; | |
145 | } | |
146 | ||
db4d1169 JB |
147 | key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key); |
148 | if (!key) | |
149 | return -ENOMEM; | |
150 | ||
e8cbb4cb JB |
151 | if (mac_addr) { |
152 | sta = sta_info_get(sdata->local, mac_addr); | |
db4d1169 JB |
153 | if (!sta) { |
154 | ieee80211_key_free(key); | |
e8cbb4cb | 155 | return -ENOENT; |
db4d1169 | 156 | } |
e8cbb4cb JB |
157 | } |
158 | ||
db4d1169 JB |
159 | ieee80211_key_link(key, sdata, sta); |
160 | ||
e8cbb4cb | 161 | ret = 0; |
e8cbb4cb JB |
162 | |
163 | if (sta) | |
164 | sta_info_put(sta); | |
165 | ||
166 | return ret; | |
167 | } | |
168 | ||
169 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
170 | u8 key_idx, u8 *mac_addr) | |
171 | { | |
172 | struct ieee80211_sub_if_data *sdata; | |
173 | struct sta_info *sta; | |
174 | int ret; | |
db4d1169 | 175 | struct ieee80211_key *key; |
e8cbb4cb JB |
176 | |
177 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
178 | ||
179 | if (mac_addr) { | |
180 | sta = sta_info_get(sdata->local, mac_addr); | |
181 | if (!sta) | |
182 | return -ENOENT; | |
183 | ||
184 | ret = 0; | |
db4d1169 JB |
185 | if (sta->key) { |
186 | key = sta->key; | |
187 | ieee80211_key_free(key); | |
188 | WARN_ON(sta->key); | |
189 | } else | |
e8cbb4cb JB |
190 | ret = -ENOENT; |
191 | ||
192 | sta_info_put(sta); | |
193 | return ret; | |
194 | } | |
195 | ||
196 | if (!sdata->keys[key_idx]) | |
197 | return -ENOENT; | |
198 | ||
db4d1169 JB |
199 | key = sdata->keys[key_idx]; |
200 | ieee80211_key_free(key); | |
201 | WARN_ON(sdata->keys[key_idx]); | |
e8cbb4cb JB |
202 | |
203 | return 0; | |
204 | } | |
205 | ||
62da92fb JB |
206 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
207 | u8 key_idx, u8 *mac_addr, void *cookie, | |
208 | void (*callback)(void *cookie, | |
209 | struct key_params *params)) | |
210 | { | |
211 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
212 | struct sta_info *sta = NULL; | |
213 | u8 seq[6] = {0}; | |
214 | struct key_params params; | |
215 | struct ieee80211_key *key; | |
216 | u32 iv32; | |
217 | u16 iv16; | |
218 | int err = -ENOENT; | |
219 | ||
220 | if (mac_addr) { | |
221 | sta = sta_info_get(sdata->local, mac_addr); | |
222 | if (!sta) | |
223 | goto out; | |
224 | ||
225 | key = sta->key; | |
226 | } else | |
227 | key = sdata->keys[key_idx]; | |
228 | ||
229 | if (!key) | |
230 | goto out; | |
231 | ||
232 | memset(¶ms, 0, sizeof(params)); | |
233 | ||
234 | switch (key->conf.alg) { | |
235 | case ALG_TKIP: | |
236 | params.cipher = WLAN_CIPHER_SUITE_TKIP; | |
237 | ||
238 | iv32 = key->u.tkip.iv32; | |
239 | iv16 = key->u.tkip.iv16; | |
240 | ||
241 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && | |
242 | sdata->local->ops->get_tkip_seq) | |
243 | sdata->local->ops->get_tkip_seq( | |
244 | local_to_hw(sdata->local), | |
245 | key->conf.hw_key_idx, | |
246 | &iv32, &iv16); | |
247 | ||
248 | seq[0] = iv16 & 0xff; | |
249 | seq[1] = (iv16 >> 8) & 0xff; | |
250 | seq[2] = iv32 & 0xff; | |
251 | seq[3] = (iv32 >> 8) & 0xff; | |
252 | seq[4] = (iv32 >> 16) & 0xff; | |
253 | seq[5] = (iv32 >> 24) & 0xff; | |
254 | params.seq = seq; | |
255 | params.seq_len = 6; | |
256 | break; | |
257 | case ALG_CCMP: | |
258 | params.cipher = WLAN_CIPHER_SUITE_CCMP; | |
259 | seq[0] = key->u.ccmp.tx_pn[5]; | |
260 | seq[1] = key->u.ccmp.tx_pn[4]; | |
261 | seq[2] = key->u.ccmp.tx_pn[3]; | |
262 | seq[3] = key->u.ccmp.tx_pn[2]; | |
263 | seq[4] = key->u.ccmp.tx_pn[1]; | |
264 | seq[5] = key->u.ccmp.tx_pn[0]; | |
265 | params.seq = seq; | |
266 | params.seq_len = 6; | |
267 | break; | |
268 | case ALG_WEP: | |
269 | if (key->conf.keylen == 5) | |
270 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
271 | else | |
272 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
273 | break; | |
274 | } | |
275 | ||
276 | params.key = key->conf.key; | |
277 | params.key_len = key->conf.keylen; | |
278 | ||
279 | callback(cookie, ¶ms); | |
280 | err = 0; | |
281 | ||
282 | out: | |
283 | if (sta) | |
284 | sta_info_put(sta); | |
285 | return err; | |
286 | } | |
287 | ||
e8cbb4cb JB |
288 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
289 | struct net_device *dev, | |
290 | u8 key_idx) | |
291 | { | |
292 | struct ieee80211_sub_if_data *sdata; | |
293 | ||
294 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
295 | ieee80211_set_default_key(sdata, key_idx); | |
296 | ||
297 | return 0; | |
298 | } | |
299 | ||
7bbdd2d9 | 300 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 301 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 JB |
302 | { |
303 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
304 | struct sta_info *sta; | |
305 | ||
306 | sta = sta_info_get(local, mac); | |
307 | if (!sta) | |
308 | return -ENOENT; | |
309 | ||
310 | /* XXX: verify sta->dev == dev */ | |
311 | ||
2ec600d6 LCC |
312 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
313 | STATION_INFO_RX_BYTES | | |
314 | STATION_INFO_TX_BYTES; | |
7bbdd2d9 | 315 | |
2ec600d6 LCC |
316 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); |
317 | sinfo->rx_bytes = sta->rx_bytes; | |
318 | sinfo->tx_bytes = sta->tx_bytes; | |
7bbdd2d9 JB |
319 | |
320 | sta_info_put(sta); | |
321 | ||
322 | return 0; | |
323 | } | |
324 | ||
5dfdaf58 JB |
325 | /* |
326 | * This handles both adding a beacon and setting new beacon info | |
327 | */ | |
328 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
329 | struct beacon_parameters *params) | |
330 | { | |
331 | struct beacon_data *new, *old; | |
332 | int new_head_len, new_tail_len; | |
333 | int size; | |
334 | int err = -EINVAL; | |
335 | ||
336 | old = sdata->u.ap.beacon; | |
337 | ||
338 | /* head must not be zero-length */ | |
339 | if (params->head && !params->head_len) | |
340 | return -EINVAL; | |
341 | ||
342 | /* | |
343 | * This is a kludge. beacon interval should really be part | |
344 | * of the beacon information. | |
345 | */ | |
346 | if (params->interval) { | |
347 | sdata->local->hw.conf.beacon_int = params->interval; | |
348 | if (ieee80211_hw_config(sdata->local)) | |
349 | return -EINVAL; | |
350 | /* | |
351 | * We updated some parameter so if below bails out | |
352 | * it's not an error. | |
353 | */ | |
354 | err = 0; | |
355 | } | |
356 | ||
357 | /* Need to have a beacon head if we don't have one yet */ | |
358 | if (!params->head && !old) | |
359 | return err; | |
360 | ||
361 | /* sorry, no way to start beaconing without dtim period */ | |
362 | if (!params->dtim_period && !old) | |
363 | return err; | |
364 | ||
365 | /* new or old head? */ | |
366 | if (params->head) | |
367 | new_head_len = params->head_len; | |
368 | else | |
369 | new_head_len = old->head_len; | |
370 | ||
371 | /* new or old tail? */ | |
372 | if (params->tail || !old) | |
373 | /* params->tail_len will be zero for !params->tail */ | |
374 | new_tail_len = params->tail_len; | |
375 | else | |
376 | new_tail_len = old->tail_len; | |
377 | ||
378 | size = sizeof(*new) + new_head_len + new_tail_len; | |
379 | ||
380 | new = kzalloc(size, GFP_KERNEL); | |
381 | if (!new) | |
382 | return -ENOMEM; | |
383 | ||
384 | /* start filling the new info now */ | |
385 | ||
386 | /* new or old dtim period? */ | |
387 | if (params->dtim_period) | |
388 | new->dtim_period = params->dtim_period; | |
389 | else | |
390 | new->dtim_period = old->dtim_period; | |
391 | ||
392 | /* | |
393 | * pointers go into the block we allocated, | |
394 | * memory is | beacon_data | head | tail | | |
395 | */ | |
396 | new->head = ((u8 *) new) + sizeof(*new); | |
397 | new->tail = new->head + new_head_len; | |
398 | new->head_len = new_head_len; | |
399 | new->tail_len = new_tail_len; | |
400 | ||
401 | /* copy in head */ | |
402 | if (params->head) | |
403 | memcpy(new->head, params->head, new_head_len); | |
404 | else | |
405 | memcpy(new->head, old->head, new_head_len); | |
406 | ||
407 | /* copy in optional tail */ | |
408 | if (params->tail) | |
409 | memcpy(new->tail, params->tail, new_tail_len); | |
410 | else | |
411 | if (old) | |
412 | memcpy(new->tail, old->tail, new_tail_len); | |
413 | ||
414 | rcu_assign_pointer(sdata->u.ap.beacon, new); | |
415 | ||
416 | synchronize_rcu(); | |
417 | ||
418 | kfree(old); | |
419 | ||
420 | return ieee80211_if_config_beacon(sdata->dev); | |
421 | } | |
422 | ||
423 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
424 | struct beacon_parameters *params) | |
425 | { | |
426 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
427 | struct beacon_data *old; | |
428 | ||
429 | if (sdata->vif.type != IEEE80211_IF_TYPE_AP) | |
430 | return -EINVAL; | |
431 | ||
432 | old = sdata->u.ap.beacon; | |
433 | ||
434 | if (old) | |
435 | return -EALREADY; | |
436 | ||
437 | return ieee80211_config_beacon(sdata, params); | |
438 | } | |
439 | ||
440 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
441 | struct beacon_parameters *params) | |
442 | { | |
443 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
444 | struct beacon_data *old; | |
445 | ||
446 | if (sdata->vif.type != IEEE80211_IF_TYPE_AP) | |
447 | return -EINVAL; | |
448 | ||
449 | old = sdata->u.ap.beacon; | |
450 | ||
451 | if (!old) | |
452 | return -ENOENT; | |
453 | ||
454 | return ieee80211_config_beacon(sdata, params); | |
455 | } | |
456 | ||
457 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
458 | { | |
459 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
460 | struct beacon_data *old; | |
461 | ||
462 | if (sdata->vif.type != IEEE80211_IF_TYPE_AP) | |
463 | return -EINVAL; | |
464 | ||
465 | old = sdata->u.ap.beacon; | |
466 | ||
467 | if (!old) | |
468 | return -ENOENT; | |
469 | ||
470 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
471 | synchronize_rcu(); | |
472 | kfree(old); | |
473 | ||
474 | return ieee80211_if_config_beacon(dev); | |
475 | } | |
476 | ||
4fd6931e JB |
477 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
478 | struct iapp_layer2_update { | |
479 | u8 da[ETH_ALEN]; /* broadcast */ | |
480 | u8 sa[ETH_ALEN]; /* STA addr */ | |
481 | __be16 len; /* 6 */ | |
482 | u8 dsap; /* 0 */ | |
483 | u8 ssap; /* 0 */ | |
484 | u8 control; | |
485 | u8 xid_info[3]; | |
486 | } __attribute__ ((packed)); | |
487 | ||
488 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
489 | { | |
490 | struct iapp_layer2_update *msg; | |
491 | struct sk_buff *skb; | |
492 | ||
493 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
494 | * bridge devices */ | |
495 | ||
496 | skb = dev_alloc_skb(sizeof(*msg)); | |
497 | if (!skb) | |
498 | return; | |
499 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
500 | ||
501 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
502 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
503 | ||
504 | memset(msg->da, 0xff, ETH_ALEN); | |
505 | memcpy(msg->sa, sta->addr, ETH_ALEN); | |
506 | msg->len = htons(6); | |
507 | msg->dsap = 0; | |
508 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
509 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
510 | * F=0 (no poll command; unsolicited frame) */ | |
511 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
512 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
513 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
514 | ||
515 | skb->dev = sta->dev; | |
516 | skb->protocol = eth_type_trans(skb, sta->dev); | |
517 | memset(skb->cb, 0, sizeof(skb->cb)); | |
518 | netif_rx(skb); | |
519 | } | |
520 | ||
521 | static void sta_apply_parameters(struct ieee80211_local *local, | |
522 | struct sta_info *sta, | |
523 | struct station_parameters *params) | |
524 | { | |
525 | u32 rates; | |
526 | int i, j; | |
8318d78a | 527 | struct ieee80211_supported_band *sband; |
4fd6931e JB |
528 | |
529 | if (params->station_flags & STATION_FLAG_CHANGED) { | |
530 | sta->flags &= ~WLAN_STA_AUTHORIZED; | |
531 | if (params->station_flags & STATION_FLAG_AUTHORIZED) | |
532 | sta->flags |= WLAN_STA_AUTHORIZED; | |
533 | ||
534 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; | |
535 | if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE) | |
536 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; | |
537 | ||
538 | sta->flags &= ~WLAN_STA_WME; | |
539 | if (params->station_flags & STATION_FLAG_WME) | |
540 | sta->flags |= WLAN_STA_WME; | |
541 | } | |
542 | ||
543 | if (params->aid) { | |
544 | sta->aid = params->aid; | |
545 | if (sta->aid > IEEE80211_MAX_AID) | |
546 | sta->aid = 0; /* XXX: should this be an error? */ | |
547 | } | |
548 | ||
549 | if (params->listen_interval >= 0) | |
550 | sta->listen_interval = params->listen_interval; | |
551 | ||
552 | if (params->supported_rates) { | |
553 | rates = 0; | |
8318d78a JB |
554 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
555 | ||
4fd6931e JB |
556 | for (i = 0; i < params->supported_rates_len; i++) { |
557 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
558 | for (j = 0; j < sband->n_bitrates; j++) { |
559 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
560 | rates |= BIT(j); |
561 | } | |
562 | } | |
8318d78a | 563 | sta->supp_rates[local->oper_channel->band] = rates; |
4fd6931e JB |
564 | } |
565 | } | |
566 | ||
567 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
568 | u8 *mac, struct station_parameters *params) | |
569 | { | |
570 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
571 | struct sta_info *sta; | |
572 | struct ieee80211_sub_if_data *sdata; | |
573 | ||
574 | /* Prevent a race with changing the rate control algorithm */ | |
575 | if (!netif_running(dev)) | |
576 | return -ENETDOWN; | |
577 | ||
4fd6931e JB |
578 | if (params->vlan) { |
579 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
580 | ||
581 | if (sdata->vif.type != IEEE80211_IF_TYPE_VLAN || | |
582 | sdata->vif.type != IEEE80211_IF_TYPE_AP) | |
583 | return -EINVAL; | |
584 | } else | |
585 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
586 | ||
587 | sta = sta_info_add(local, dev, mac, GFP_KERNEL); | |
43ba7e95 JB |
588 | if (IS_ERR(sta)) |
589 | return PTR_ERR(sta); | |
4fd6931e JB |
590 | |
591 | sta->dev = sdata->dev; | |
592 | if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN || | |
593 | sdata->vif.type == IEEE80211_IF_TYPE_AP) | |
594 | ieee80211_send_layer2_update(sta); | |
595 | ||
596 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
597 | ||
598 | sta_apply_parameters(local, sta, params); | |
599 | ||
600 | rate_control_rate_init(sta, local); | |
601 | ||
602 | sta_info_put(sta); | |
603 | ||
604 | return 0; | |
605 | } | |
606 | ||
607 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
608 | u8 *mac) | |
609 | { | |
610 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
611 | struct sta_info *sta; | |
612 | ||
613 | if (mac) { | |
614 | /* XXX: get sta belonging to dev */ | |
615 | sta = sta_info_get(local, mac); | |
616 | if (!sta) | |
617 | return -ENOENT; | |
618 | ||
619 | sta_info_free(sta); | |
620 | sta_info_put(sta); | |
621 | } else | |
622 | sta_info_flush(local, dev); | |
623 | ||
624 | return 0; | |
625 | } | |
626 | ||
627 | static int ieee80211_change_station(struct wiphy *wiphy, | |
628 | struct net_device *dev, | |
629 | u8 *mac, | |
630 | struct station_parameters *params) | |
631 | { | |
632 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
633 | struct sta_info *sta; | |
634 | struct ieee80211_sub_if_data *vlansdata; | |
635 | ||
636 | /* XXX: get sta belonging to dev */ | |
637 | sta = sta_info_get(local, mac); | |
638 | if (!sta) | |
639 | return -ENOENT; | |
640 | ||
641 | if (params->vlan && params->vlan != sta->dev) { | |
642 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
643 | ||
644 | if (vlansdata->vif.type != IEEE80211_IF_TYPE_VLAN || | |
645 | vlansdata->vif.type != IEEE80211_IF_TYPE_AP) | |
646 | return -EINVAL; | |
647 | ||
648 | sta->dev = params->vlan; | |
649 | ieee80211_send_layer2_update(sta); | |
650 | } | |
651 | ||
652 | sta_apply_parameters(local, sta, params); | |
653 | ||
654 | sta_info_put(sta); | |
655 | ||
656 | return 0; | |
657 | } | |
658 | ||
f0706e82 JB |
659 | struct cfg80211_ops mac80211_config_ops = { |
660 | .add_virtual_intf = ieee80211_add_iface, | |
661 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 662 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
663 | .add_key = ieee80211_add_key, |
664 | .del_key = ieee80211_del_key, | |
62da92fb | 665 | .get_key = ieee80211_get_key, |
e8cbb4cb | 666 | .set_default_key = ieee80211_config_default_key, |
5dfdaf58 JB |
667 | .add_beacon = ieee80211_add_beacon, |
668 | .set_beacon = ieee80211_set_beacon, | |
669 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
670 | .add_station = ieee80211_add_station, |
671 | .del_station = ieee80211_del_station, | |
672 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 673 | .get_station = ieee80211_get_station, |
f0706e82 | 674 | }; |