Commit | Line | Data |
---|---|---|
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" | |
24487981 | 16 | #include "driver-ops.h" |
e0eb6859 | 17 | #include "cfg.h" |
2c8dccc7 | 18 | #include "rate.h" |
c5dd9c2b | 19 | #include "mesh.h" |
c5dd9c2b | 20 | |
05c914fe | 21 | static bool nl80211_type_check(enum nl80211_iftype type) |
42613db7 JB |
22 | { |
23 | switch (type) { | |
42613db7 | 24 | case NL80211_IFTYPE_ADHOC: |
42613db7 | 25 | case NL80211_IFTYPE_STATION: |
42613db7 | 26 | case NL80211_IFTYPE_MONITOR: |
c5dd9c2b LCC |
27 | #ifdef CONFIG_MAC80211_MESH |
28 | case NL80211_IFTYPE_MESH_POINT: | |
c5dd9c2b | 29 | #endif |
fbf18927 JM |
30 | case NL80211_IFTYPE_AP: |
31 | case NL80211_IFTYPE_AP_VLAN: | |
b454048c | 32 | case NL80211_IFTYPE_WDS: |
05c914fe | 33 | return true; |
42613db7 | 34 | default: |
05c914fe | 35 | return false; |
42613db7 JB |
36 | } |
37 | } | |
38 | ||
f0706e82 | 39 | static int ieee80211_add_iface(struct wiphy *wiphy, char *name, |
2ec600d6 LCC |
40 | enum nl80211_iftype type, u32 *flags, |
41 | struct vif_params *params) | |
f0706e82 JB |
42 | { |
43 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
44 | struct net_device *dev; |
45 | struct ieee80211_sub_if_data *sdata; | |
46 | int err; | |
f0706e82 | 47 | |
05c914fe | 48 | if (!nl80211_type_check(type)) |
f0706e82 | 49 | return -EINVAL; |
f0706e82 | 50 | |
05c914fe JB |
51 | err = ieee80211_if_add(local, name, &dev, type, params); |
52 | if (err || type != NL80211_IFTYPE_MONITOR || !flags) | |
8cc9a739 MW |
53 | return err; |
54 | ||
55 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
56 | sdata->u.mntr_flags = *flags; | |
57 | return 0; | |
f0706e82 JB |
58 | } |
59 | ||
60 | static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex) | |
61 | { | |
f0706e82 | 62 | struct net_device *dev; |
f698d856 | 63 | struct ieee80211_sub_if_data *sdata; |
f0706e82 | 64 | |
42613db7 JB |
65 | /* we're under RTNL */ |
66 | dev = __dev_get_by_index(&init_net, ifindex); | |
f0706e82 | 67 | if (!dev) |
75636525 | 68 | return -ENODEV; |
f0706e82 | 69 | |
f698d856 JBG |
70 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
71 | ||
72 | ieee80211_if_remove(sdata); | |
f0706e82 | 73 | |
75636525 | 74 | return 0; |
f0706e82 JB |
75 | } |
76 | ||
42613db7 | 77 | static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, |
2ec600d6 LCC |
78 | enum nl80211_iftype type, u32 *flags, |
79 | struct vif_params *params) | |
42613db7 | 80 | { |
42613db7 | 81 | struct net_device *dev; |
42613db7 | 82 | struct ieee80211_sub_if_data *sdata; |
f3947e2d | 83 | int ret; |
42613db7 | 84 | |
42613db7 JB |
85 | /* we're under RTNL */ |
86 | dev = __dev_get_by_index(&init_net, ifindex); | |
87 | if (!dev) | |
88 | return -ENODEV; | |
89 | ||
05c914fe | 90 | if (!nl80211_type_check(type)) |
42613db7 JB |
91 | return -EINVAL; |
92 | ||
93 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
94 | ||
05c914fe | 95 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
96 | if (ret) |
97 | return ret; | |
42613db7 | 98 | |
f8b25cda JB |
99 | if (netif_running(sdata->dev)) |
100 | return -EBUSY; | |
101 | ||
902acc78 | 102 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) |
472dbc45 JB |
103 | ieee80211_sdata_set_mesh_id(sdata, |
104 | params->mesh_id_len, | |
105 | params->mesh_id); | |
c5dd9c2b | 106 | |
05c914fe | 107 | if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags) |
8cc9a739 MW |
108 | return 0; |
109 | ||
110 | sdata->u.mntr_flags = *flags; | |
42613db7 JB |
111 | return 0; |
112 | } | |
113 | ||
e8cbb4cb | 114 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
4e943900 | 115 | u8 key_idx, const u8 *mac_addr, |
e8cbb4cb JB |
116 | struct key_params *params) |
117 | { | |
118 | struct ieee80211_sub_if_data *sdata; | |
119 | struct sta_info *sta = NULL; | |
120 | enum ieee80211_key_alg alg; | |
db4d1169 | 121 | struct ieee80211_key *key; |
3b96766f | 122 | int err; |
e8cbb4cb JB |
123 | |
124 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
125 | ||
126 | switch (params->cipher) { | |
127 | case WLAN_CIPHER_SUITE_WEP40: | |
128 | case WLAN_CIPHER_SUITE_WEP104: | |
129 | alg = ALG_WEP; | |
130 | break; | |
131 | case WLAN_CIPHER_SUITE_TKIP: | |
132 | alg = ALG_TKIP; | |
133 | break; | |
134 | case WLAN_CIPHER_SUITE_CCMP: | |
135 | alg = ALG_CCMP; | |
136 | break; | |
3cfcf6ac JM |
137 | case WLAN_CIPHER_SUITE_AES_CMAC: |
138 | alg = ALG_AES_CMAC; | |
139 | break; | |
e8cbb4cb JB |
140 | default: |
141 | return -EINVAL; | |
142 | } | |
143 | ||
faa8fdc8 JM |
144 | key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key, |
145 | params->seq_len, params->seq); | |
db4d1169 JB |
146 | if (!key) |
147 | return -ENOMEM; | |
148 | ||
3b96766f JB |
149 | rcu_read_lock(); |
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); | |
3b96766f JB |
155 | err = -ENOENT; |
156 | goto out_unlock; | |
db4d1169 | 157 | } |
e8cbb4cb JB |
158 | } |
159 | ||
db4d1169 JB |
160 | ieee80211_key_link(key, sdata, sta); |
161 | ||
3b96766f JB |
162 | err = 0; |
163 | out_unlock: | |
164 | rcu_read_unlock(); | |
165 | ||
166 | return err; | |
e8cbb4cb JB |
167 | } |
168 | ||
169 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
4e943900 | 170 | u8 key_idx, const u8 *mac_addr) |
e8cbb4cb JB |
171 | { |
172 | struct ieee80211_sub_if_data *sdata; | |
173 | struct sta_info *sta; | |
174 | int ret; | |
175 | ||
176 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
177 | ||
3b96766f JB |
178 | rcu_read_lock(); |
179 | ||
e8cbb4cb | 180 | if (mac_addr) { |
3b96766f JB |
181 | ret = -ENOENT; |
182 | ||
e8cbb4cb JB |
183 | sta = sta_info_get(sdata->local, mac_addr); |
184 | if (!sta) | |
3b96766f | 185 | goto out_unlock; |
e8cbb4cb | 186 | |
db4d1169 | 187 | if (sta->key) { |
d0709a65 | 188 | ieee80211_key_free(sta->key); |
db4d1169 | 189 | WARN_ON(sta->key); |
3b96766f JB |
190 | ret = 0; |
191 | } | |
e8cbb4cb | 192 | |
3b96766f | 193 | goto out_unlock; |
e8cbb4cb JB |
194 | } |
195 | ||
3b96766f JB |
196 | if (!sdata->keys[key_idx]) { |
197 | ret = -ENOENT; | |
198 | goto out_unlock; | |
199 | } | |
e8cbb4cb | 200 | |
d0709a65 | 201 | ieee80211_key_free(sdata->keys[key_idx]); |
db4d1169 | 202 | WARN_ON(sdata->keys[key_idx]); |
e8cbb4cb | 203 | |
3b96766f JB |
204 | ret = 0; |
205 | out_unlock: | |
206 | rcu_read_unlock(); | |
207 | ||
208 | return ret; | |
e8cbb4cb JB |
209 | } |
210 | ||
62da92fb | 211 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
4e943900 | 212 | u8 key_idx, const u8 *mac_addr, void *cookie, |
62da92fb JB |
213 | void (*callback)(void *cookie, |
214 | struct key_params *params)) | |
215 | { | |
14db74bc | 216 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
217 | struct sta_info *sta = NULL; |
218 | u8 seq[6] = {0}; | |
219 | struct key_params params; | |
220 | struct ieee80211_key *key; | |
221 | u32 iv32; | |
222 | u16 iv16; | |
223 | int err = -ENOENT; | |
224 | ||
14db74bc JB |
225 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
226 | ||
3b96766f JB |
227 | rcu_read_lock(); |
228 | ||
62da92fb JB |
229 | if (mac_addr) { |
230 | sta = sta_info_get(sdata->local, mac_addr); | |
231 | if (!sta) | |
232 | goto out; | |
233 | ||
234 | key = sta->key; | |
235 | } else | |
236 | key = sdata->keys[key_idx]; | |
237 | ||
238 | if (!key) | |
239 | goto out; | |
240 | ||
241 | memset(¶ms, 0, sizeof(params)); | |
242 | ||
243 | switch (key->conf.alg) { | |
244 | case ALG_TKIP: | |
245 | params.cipher = WLAN_CIPHER_SUITE_TKIP; | |
246 | ||
b0f76b33 HH |
247 | iv32 = key->u.tkip.tx.iv32; |
248 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 249 | |
24487981 JB |
250 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
251 | drv_get_tkip_seq(sdata->local, | |
252 | key->conf.hw_key_idx, | |
253 | &iv32, &iv16); | |
62da92fb JB |
254 | |
255 | seq[0] = iv16 & 0xff; | |
256 | seq[1] = (iv16 >> 8) & 0xff; | |
257 | seq[2] = iv32 & 0xff; | |
258 | seq[3] = (iv32 >> 8) & 0xff; | |
259 | seq[4] = (iv32 >> 16) & 0xff; | |
260 | seq[5] = (iv32 >> 24) & 0xff; | |
261 | params.seq = seq; | |
262 | params.seq_len = 6; | |
263 | break; | |
264 | case ALG_CCMP: | |
265 | params.cipher = WLAN_CIPHER_SUITE_CCMP; | |
266 | seq[0] = key->u.ccmp.tx_pn[5]; | |
267 | seq[1] = key->u.ccmp.tx_pn[4]; | |
268 | seq[2] = key->u.ccmp.tx_pn[3]; | |
269 | seq[3] = key->u.ccmp.tx_pn[2]; | |
270 | seq[4] = key->u.ccmp.tx_pn[1]; | |
271 | seq[5] = key->u.ccmp.tx_pn[0]; | |
272 | params.seq = seq; | |
273 | params.seq_len = 6; | |
274 | break; | |
275 | case ALG_WEP: | |
276 | if (key->conf.keylen == 5) | |
277 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
278 | else | |
279 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
280 | break; | |
3cfcf6ac JM |
281 | case ALG_AES_CMAC: |
282 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; | |
283 | seq[0] = key->u.aes_cmac.tx_pn[5]; | |
284 | seq[1] = key->u.aes_cmac.tx_pn[4]; | |
285 | seq[2] = key->u.aes_cmac.tx_pn[3]; | |
286 | seq[3] = key->u.aes_cmac.tx_pn[2]; | |
287 | seq[4] = key->u.aes_cmac.tx_pn[1]; | |
288 | seq[5] = key->u.aes_cmac.tx_pn[0]; | |
289 | params.seq = seq; | |
290 | params.seq_len = 6; | |
291 | break; | |
62da92fb JB |
292 | } |
293 | ||
294 | params.key = key->conf.key; | |
295 | params.key_len = key->conf.keylen; | |
296 | ||
297 | callback(cookie, ¶ms); | |
298 | err = 0; | |
299 | ||
300 | out: | |
3b96766f | 301 | rcu_read_unlock(); |
62da92fb JB |
302 | return err; |
303 | } | |
304 | ||
e8cbb4cb JB |
305 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
306 | struct net_device *dev, | |
307 | u8 key_idx) | |
308 | { | |
309 | struct ieee80211_sub_if_data *sdata; | |
310 | ||
3b96766f JB |
311 | rcu_read_lock(); |
312 | ||
e8cbb4cb JB |
313 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
314 | ieee80211_set_default_key(sdata, key_idx); | |
315 | ||
3b96766f JB |
316 | rcu_read_unlock(); |
317 | ||
e8cbb4cb JB |
318 | return 0; |
319 | } | |
320 | ||
3cfcf6ac JM |
321 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
322 | struct net_device *dev, | |
323 | u8 key_idx) | |
324 | { | |
325 | struct ieee80211_sub_if_data *sdata; | |
326 | ||
327 | rcu_read_lock(); | |
328 | ||
329 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
330 | ieee80211_set_default_mgmt_key(sdata, key_idx); | |
331 | ||
332 | rcu_read_unlock(); | |
333 | ||
334 | return 0; | |
335 | } | |
336 | ||
c5dd9c2b LCC |
337 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
338 | { | |
d0709a65 | 339 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
c5dd9c2b LCC |
340 | |
341 | sinfo->filled = STATION_INFO_INACTIVE_TIME | | |
342 | STATION_INFO_RX_BYTES | | |
420e7fab | 343 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
344 | STATION_INFO_RX_PACKETS | |
345 | STATION_INFO_TX_PACKETS | | |
420e7fab | 346 | STATION_INFO_TX_BITRATE; |
c5dd9c2b LCC |
347 | |
348 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
349 | sinfo->rx_bytes = sta->rx_bytes; | |
350 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
351 | sinfo->rx_packets = sta->rx_packets; |
352 | sinfo->tx_packets = sta->tx_packets; | |
c5dd9c2b | 353 | |
420e7fab HR |
354 | if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) { |
355 | sinfo->filled |= STATION_INFO_SIGNAL; | |
356 | sinfo->signal = (s8)sta->last_signal; | |
357 | } | |
358 | ||
359 | sinfo->txrate.flags = 0; | |
360 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
361 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
362 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
363 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
364 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
365 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
366 | ||
367 | if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) { | |
368 | struct ieee80211_supported_band *sband; | |
369 | sband = sta->local->hw.wiphy->bands[ | |
370 | sta->local->hw.conf.channel->band]; | |
371 | sinfo->txrate.legacy = | |
372 | sband->bitrates[sta->last_tx_rate.idx].bitrate; | |
373 | } else | |
374 | sinfo->txrate.mcs = sta->last_tx_rate.idx; | |
375 | ||
902acc78 | 376 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 377 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
378 | sinfo->filled |= STATION_INFO_LLID | |
379 | STATION_INFO_PLID | | |
380 | STATION_INFO_PLINK_STATE; | |
381 | ||
382 | sinfo->llid = le16_to_cpu(sta->llid); | |
383 | sinfo->plid = le16_to_cpu(sta->plid); | |
384 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 385 | #endif |
902acc78 | 386 | } |
c5dd9c2b LCC |
387 | } |
388 | ||
389 | ||
390 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
391 | int idx, u8 *mac, struct station_info *sinfo) | |
392 | { | |
393 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
394 | struct sta_info *sta; | |
d0709a65 JB |
395 | int ret = -ENOENT; |
396 | ||
397 | rcu_read_lock(); | |
c5dd9c2b LCC |
398 | |
399 | sta = sta_info_get_by_idx(local, idx, dev); | |
d0709a65 JB |
400 | if (sta) { |
401 | ret = 0; | |
17741cdc | 402 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
403 | sta_set_sinfo(sta, sinfo); |
404 | } | |
c5dd9c2b | 405 | |
d0709a65 | 406 | rcu_read_unlock(); |
c5dd9c2b | 407 | |
d0709a65 | 408 | return ret; |
c5dd9c2b LCC |
409 | } |
410 | ||
7bbdd2d9 | 411 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 412 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 JB |
413 | { |
414 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
415 | struct sta_info *sta; | |
d0709a65 | 416 | int ret = -ENOENT; |
7bbdd2d9 | 417 | |
d0709a65 | 418 | rcu_read_lock(); |
7bbdd2d9 JB |
419 | |
420 | /* XXX: verify sta->dev == dev */ | |
7bbdd2d9 | 421 | |
d0709a65 JB |
422 | sta = sta_info_get(local, mac); |
423 | if (sta) { | |
424 | ret = 0; | |
425 | sta_set_sinfo(sta, sinfo); | |
426 | } | |
427 | ||
428 | rcu_read_unlock(); | |
429 | ||
430 | return ret; | |
7bbdd2d9 JB |
431 | } |
432 | ||
5dfdaf58 JB |
433 | /* |
434 | * This handles both adding a beacon and setting new beacon info | |
435 | */ | |
436 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
437 | struct beacon_parameters *params) | |
438 | { | |
439 | struct beacon_data *new, *old; | |
440 | int new_head_len, new_tail_len; | |
441 | int size; | |
442 | int err = -EINVAL; | |
443 | ||
444 | old = sdata->u.ap.beacon; | |
445 | ||
446 | /* head must not be zero-length */ | |
447 | if (params->head && !params->head_len) | |
448 | return -EINVAL; | |
449 | ||
450 | /* | |
451 | * This is a kludge. beacon interval should really be part | |
452 | * of the beacon information. | |
453 | */ | |
57c4d7b4 JB |
454 | if (params->interval && |
455 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
456 | sdata->vif.bss_conf.beacon_int = params->interval; | |
457 | ieee80211_bss_info_change_notify(sdata, | |
458 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
459 | } |
460 | ||
461 | /* Need to have a beacon head if we don't have one yet */ | |
462 | if (!params->head && !old) | |
463 | return err; | |
464 | ||
465 | /* sorry, no way to start beaconing without dtim period */ | |
466 | if (!params->dtim_period && !old) | |
467 | return err; | |
468 | ||
469 | /* new or old head? */ | |
470 | if (params->head) | |
471 | new_head_len = params->head_len; | |
472 | else | |
473 | new_head_len = old->head_len; | |
474 | ||
475 | /* new or old tail? */ | |
476 | if (params->tail || !old) | |
477 | /* params->tail_len will be zero for !params->tail */ | |
478 | new_tail_len = params->tail_len; | |
479 | else | |
480 | new_tail_len = old->tail_len; | |
481 | ||
482 | size = sizeof(*new) + new_head_len + new_tail_len; | |
483 | ||
484 | new = kzalloc(size, GFP_KERNEL); | |
485 | if (!new) | |
486 | return -ENOMEM; | |
487 | ||
488 | /* start filling the new info now */ | |
489 | ||
490 | /* new or old dtim period? */ | |
491 | if (params->dtim_period) | |
492 | new->dtim_period = params->dtim_period; | |
493 | else | |
494 | new->dtim_period = old->dtim_period; | |
495 | ||
496 | /* | |
497 | * pointers go into the block we allocated, | |
498 | * memory is | beacon_data | head | tail | | |
499 | */ | |
500 | new->head = ((u8 *) new) + sizeof(*new); | |
501 | new->tail = new->head + new_head_len; | |
502 | new->head_len = new_head_len; | |
503 | new->tail_len = new_tail_len; | |
504 | ||
505 | /* copy in head */ | |
506 | if (params->head) | |
507 | memcpy(new->head, params->head, new_head_len); | |
508 | else | |
509 | memcpy(new->head, old->head, new_head_len); | |
510 | ||
511 | /* copy in optional tail */ | |
512 | if (params->tail) | |
513 | memcpy(new->tail, params->tail, new_tail_len); | |
514 | else | |
515 | if (old) | |
516 | memcpy(new->tail, old->tail, new_tail_len); | |
517 | ||
518 | rcu_assign_pointer(sdata->u.ap.beacon, new); | |
519 | ||
520 | synchronize_rcu(); | |
521 | ||
522 | kfree(old); | |
523 | ||
2d0ddec5 JB |
524 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |
525 | BSS_CHANGED_BEACON); | |
526 | return 0; | |
5dfdaf58 JB |
527 | } |
528 | ||
529 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
530 | struct beacon_parameters *params) | |
531 | { | |
14db74bc | 532 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
533 | struct beacon_data *old; |
534 | ||
14db74bc JB |
535 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
536 | ||
5dfdaf58 JB |
537 | old = sdata->u.ap.beacon; |
538 | ||
539 | if (old) | |
540 | return -EALREADY; | |
541 | ||
542 | return ieee80211_config_beacon(sdata, params); | |
543 | } | |
544 | ||
545 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
546 | struct beacon_parameters *params) | |
547 | { | |
14db74bc | 548 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
549 | struct beacon_data *old; |
550 | ||
14db74bc JB |
551 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
552 | ||
5dfdaf58 JB |
553 | old = sdata->u.ap.beacon; |
554 | ||
555 | if (!old) | |
556 | return -ENOENT; | |
557 | ||
558 | return ieee80211_config_beacon(sdata, params); | |
559 | } | |
560 | ||
561 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
562 | { | |
14db74bc | 563 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
564 | struct beacon_data *old; |
565 | ||
14db74bc JB |
566 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
567 | ||
5dfdaf58 JB |
568 | old = sdata->u.ap.beacon; |
569 | ||
570 | if (!old) | |
571 | return -ENOENT; | |
572 | ||
573 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
574 | synchronize_rcu(); | |
575 | kfree(old); | |
576 | ||
2d0ddec5 JB |
577 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
578 | return 0; | |
5dfdaf58 JB |
579 | } |
580 | ||
4fd6931e JB |
581 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
582 | struct iapp_layer2_update { | |
583 | u8 da[ETH_ALEN]; /* broadcast */ | |
584 | u8 sa[ETH_ALEN]; /* STA addr */ | |
585 | __be16 len; /* 6 */ | |
586 | u8 dsap; /* 0 */ | |
587 | u8 ssap; /* 0 */ | |
588 | u8 control; | |
589 | u8 xid_info[3]; | |
590 | } __attribute__ ((packed)); | |
591 | ||
592 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
593 | { | |
594 | struct iapp_layer2_update *msg; | |
595 | struct sk_buff *skb; | |
596 | ||
597 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
598 | * bridge devices */ | |
599 | ||
600 | skb = dev_alloc_skb(sizeof(*msg)); | |
601 | if (!skb) | |
602 | return; | |
603 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
604 | ||
605 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
606 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
607 | ||
608 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 609 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
610 | msg->len = htons(6); |
611 | msg->dsap = 0; | |
612 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
613 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
614 | * F=0 (no poll command; unsolicited frame) */ | |
615 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
616 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
617 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
618 | ||
d0709a65 JB |
619 | skb->dev = sta->sdata->dev; |
620 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e JB |
621 | memset(skb->cb, 0, sizeof(skb->cb)); |
622 | netif_rx(skb); | |
623 | } | |
624 | ||
625 | static void sta_apply_parameters(struct ieee80211_local *local, | |
626 | struct sta_info *sta, | |
627 | struct station_parameters *params) | |
628 | { | |
629 | u32 rates; | |
630 | int i, j; | |
8318d78a | 631 | struct ieee80211_supported_band *sband; |
d0709a65 | 632 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 633 | u32 mask, set; |
4fd6931e | 634 | |
ae5eb026 JB |
635 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
636 | ||
eccb8e8f JB |
637 | spin_lock_bh(&sta->lock); |
638 | mask = params->sta_flags_mask; | |
639 | set = params->sta_flags_set; | |
73651ee6 | 640 | |
eccb8e8f | 641 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4fd6931e | 642 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
eccb8e8f | 643 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
4fd6931e | 644 | sta->flags |= WLAN_STA_AUTHORIZED; |
eccb8e8f | 645 | } |
4fd6931e | 646 | |
eccb8e8f | 647 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
4fd6931e | 648 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 649 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
4fd6931e | 650 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 651 | } |
4fd6931e | 652 | |
eccb8e8f | 653 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
4fd6931e | 654 | sta->flags &= ~WLAN_STA_WME; |
eccb8e8f | 655 | if (set & BIT(NL80211_STA_FLAG_WME)) |
4fd6931e | 656 | sta->flags |= WLAN_STA_WME; |
eccb8e8f | 657 | } |
5394af4d | 658 | |
eccb8e8f | 659 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
5394af4d | 660 | sta->flags &= ~WLAN_STA_MFP; |
eccb8e8f | 661 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
5394af4d | 662 | sta->flags |= WLAN_STA_MFP; |
4fd6931e | 663 | } |
eccb8e8f | 664 | spin_unlock_bh(&sta->lock); |
4fd6931e | 665 | |
51b50fbe JB |
666 | /* |
667 | * cfg80211 validates this (1-2007) and allows setting the AID | |
668 | * only when creating a new station entry | |
669 | */ | |
670 | if (params->aid) | |
671 | sta->sta.aid = params->aid; | |
672 | ||
73651ee6 JB |
673 | /* |
674 | * FIXME: updating the following information is racy when this | |
675 | * function is called from ieee80211_change_station(). | |
676 | * However, all this information should be static so | |
677 | * maybe we should just reject attemps to change it. | |
678 | */ | |
679 | ||
4fd6931e JB |
680 | if (params->listen_interval >= 0) |
681 | sta->listen_interval = params->listen_interval; | |
682 | ||
683 | if (params->supported_rates) { | |
684 | rates = 0; | |
8318d78a | 685 | |
4fd6931e JB |
686 | for (i = 0; i < params->supported_rates_len; i++) { |
687 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
688 | for (j = 0; j < sband->n_bitrates; j++) { |
689 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
690 | rates |= BIT(j); |
691 | } | |
692 | } | |
323ce79a | 693 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 694 | } |
c5dd9c2b | 695 | |
d9fe60de | 696 | if (params->ht_capa) |
ae5eb026 JB |
697 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
698 | params->ht_capa, | |
d9fe60de | 699 | &sta->sta.ht_cap); |
36aedc90 | 700 | |
902acc78 | 701 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { |
c5dd9c2b LCC |
702 | switch (params->plink_action) { |
703 | case PLINK_ACTION_OPEN: | |
704 | mesh_plink_open(sta); | |
705 | break; | |
706 | case PLINK_ACTION_BLOCK: | |
707 | mesh_plink_block(sta); | |
708 | break; | |
709 | } | |
902acc78 | 710 | } |
4fd6931e JB |
711 | } |
712 | ||
713 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
714 | u8 *mac, struct station_parameters *params) | |
715 | { | |
14db74bc | 716 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
717 | struct sta_info *sta; |
718 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 719 | int err; |
b8d476c8 | 720 | int layer2_update; |
4fd6931e | 721 | |
4fd6931e JB |
722 | if (params->vlan) { |
723 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
724 | ||
05c914fe JB |
725 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
726 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
727 | return -EINVAL; |
728 | } else | |
729 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
730 | ||
03e4497e JB |
731 | if (compare_ether_addr(mac, dev->dev_addr) == 0) |
732 | return -EINVAL; | |
733 | ||
734 | if (is_multicast_ether_addr(mac)) | |
735 | return -EINVAL; | |
736 | ||
737 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
738 | if (!sta) |
739 | return -ENOMEM; | |
4fd6931e JB |
740 | |
741 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
742 | ||
743 | sta_apply_parameters(local, sta, params); | |
744 | ||
4b7679a5 | 745 | rate_control_rate_init(sta); |
4fd6931e | 746 | |
b8d476c8 JM |
747 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
748 | sdata->vif.type == NL80211_IFTYPE_AP; | |
749 | ||
73651ee6 JB |
750 | rcu_read_lock(); |
751 | ||
752 | err = sta_info_insert(sta); | |
753 | if (err) { | |
93e5deb1 | 754 | /* STA has been freed */ |
b8d476c8 JM |
755 | if (err == -EEXIST && layer2_update) { |
756 | /* Need to update layer 2 devices on reassociation */ | |
757 | sta = sta_info_get(local, mac); | |
758 | if (sta) | |
759 | ieee80211_send_layer2_update(sta); | |
760 | } | |
73651ee6 JB |
761 | rcu_read_unlock(); |
762 | return err; | |
763 | } | |
764 | ||
b8d476c8 | 765 | if (layer2_update) |
73651ee6 JB |
766 | ieee80211_send_layer2_update(sta); |
767 | ||
768 | rcu_read_unlock(); | |
769 | ||
4fd6931e JB |
770 | return 0; |
771 | } | |
772 | ||
773 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
774 | u8 *mac) | |
775 | { | |
14db74bc JB |
776 | struct ieee80211_local *local = wiphy_priv(wiphy); |
777 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e JB |
778 | struct sta_info *sta; |
779 | ||
14db74bc JB |
780 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
781 | ||
4fd6931e | 782 | if (mac) { |
98dd6a57 JB |
783 | rcu_read_lock(); |
784 | ||
4fd6931e JB |
785 | /* XXX: get sta belonging to dev */ |
786 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
787 | if (!sta) { |
788 | rcu_read_unlock(); | |
4fd6931e | 789 | return -ENOENT; |
98dd6a57 | 790 | } |
4fd6931e | 791 | |
d0709a65 | 792 | sta_info_unlink(&sta); |
98dd6a57 JB |
793 | rcu_read_unlock(); |
794 | ||
4f6fab47 | 795 | sta_info_destroy(sta); |
4fd6931e | 796 | } else |
d0709a65 | 797 | sta_info_flush(local, sdata); |
4fd6931e JB |
798 | |
799 | return 0; | |
800 | } | |
801 | ||
802 | static int ieee80211_change_station(struct wiphy *wiphy, | |
803 | struct net_device *dev, | |
804 | u8 *mac, | |
805 | struct station_parameters *params) | |
806 | { | |
14db74bc | 807 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
808 | struct sta_info *sta; |
809 | struct ieee80211_sub_if_data *vlansdata; | |
810 | ||
98dd6a57 JB |
811 | rcu_read_lock(); |
812 | ||
4fd6931e JB |
813 | /* XXX: get sta belonging to dev */ |
814 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
815 | if (!sta) { |
816 | rcu_read_unlock(); | |
4fd6931e | 817 | return -ENOENT; |
98dd6a57 | 818 | } |
4fd6931e | 819 | |
d0709a65 | 820 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
821 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
822 | ||
05c914fe JB |
823 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
824 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 825 | rcu_read_unlock(); |
4fd6931e | 826 | return -EINVAL; |
98dd6a57 | 827 | } |
4fd6931e | 828 | |
14db74bc | 829 | sta->sdata = vlansdata; |
4fd6931e JB |
830 | ieee80211_send_layer2_update(sta); |
831 | } | |
832 | ||
833 | sta_apply_parameters(local, sta, params); | |
834 | ||
98dd6a57 JB |
835 | rcu_read_unlock(); |
836 | ||
4fd6931e JB |
837 | return 0; |
838 | } | |
839 | ||
c5dd9c2b LCC |
840 | #ifdef CONFIG_MAC80211_MESH |
841 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
842 | u8 *dst, u8 *next_hop) | |
843 | { | |
14db74bc JB |
844 | struct ieee80211_local *local = wiphy_priv(wiphy); |
845 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
846 | struct mesh_path *mpath; |
847 | struct sta_info *sta; | |
848 | int err; | |
849 | ||
14db74bc JB |
850 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
851 | ||
d0709a65 | 852 | rcu_read_lock(); |
c5dd9c2b | 853 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
854 | if (!sta) { |
855 | rcu_read_unlock(); | |
c5dd9c2b | 856 | return -ENOENT; |
d0709a65 | 857 | } |
c5dd9c2b | 858 | |
f698d856 | 859 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
860 | if (err) { |
861 | rcu_read_unlock(); | |
c5dd9c2b | 862 | return err; |
d0709a65 | 863 | } |
c5dd9c2b | 864 | |
f698d856 | 865 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
866 | if (!mpath) { |
867 | rcu_read_unlock(); | |
c5dd9c2b LCC |
868 | return -ENXIO; |
869 | } | |
870 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 871 | |
c5dd9c2b LCC |
872 | rcu_read_unlock(); |
873 | return 0; | |
874 | } | |
875 | ||
876 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
877 | u8 *dst) | |
878 | { | |
f698d856 JBG |
879 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
880 | ||
c5dd9c2b | 881 | if (dst) |
f698d856 | 882 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 883 | |
f698d856 | 884 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
885 | return 0; |
886 | } | |
887 | ||
888 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
889 | struct net_device *dev, | |
890 | u8 *dst, u8 *next_hop) | |
891 | { | |
14db74bc JB |
892 | struct ieee80211_local *local = wiphy_priv(wiphy); |
893 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
894 | struct mesh_path *mpath; |
895 | struct sta_info *sta; | |
896 | ||
14db74bc JB |
897 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
898 | ||
d0709a65 JB |
899 | rcu_read_lock(); |
900 | ||
c5dd9c2b | 901 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
902 | if (!sta) { |
903 | rcu_read_unlock(); | |
c5dd9c2b | 904 | return -ENOENT; |
d0709a65 | 905 | } |
c5dd9c2b | 906 | |
f698d856 | 907 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
908 | if (!mpath) { |
909 | rcu_read_unlock(); | |
c5dd9c2b LCC |
910 | return -ENOENT; |
911 | } | |
912 | ||
913 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 914 | |
c5dd9c2b LCC |
915 | rcu_read_unlock(); |
916 | return 0; | |
917 | } | |
918 | ||
919 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
920 | struct mpath_info *pinfo) | |
921 | { | |
922 | if (mpath->next_hop) | |
17741cdc | 923 | memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); |
c5dd9c2b LCC |
924 | else |
925 | memset(next_hop, 0, ETH_ALEN); | |
926 | ||
927 | pinfo->filled = MPATH_INFO_FRAME_QLEN | | |
928 | MPATH_INFO_DSN | | |
929 | MPATH_INFO_METRIC | | |
930 | MPATH_INFO_EXPTIME | | |
931 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
932 | MPATH_INFO_DISCOVERY_RETRIES | | |
933 | MPATH_INFO_FLAGS; | |
934 | ||
935 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
936 | pinfo->dsn = mpath->dsn; | |
937 | pinfo->metric = mpath->metric; | |
938 | if (time_before(jiffies, mpath->exp_time)) | |
939 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
940 | pinfo->discovery_timeout = | |
941 | jiffies_to_msecs(mpath->discovery_timeout); | |
942 | pinfo->discovery_retries = mpath->discovery_retries; | |
943 | pinfo->flags = 0; | |
944 | if (mpath->flags & MESH_PATH_ACTIVE) | |
945 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
946 | if (mpath->flags & MESH_PATH_RESOLVING) | |
947 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
948 | if (mpath->flags & MESH_PATH_DSN_VALID) | |
949 | pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID; | |
950 | if (mpath->flags & MESH_PATH_FIXED) | |
951 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
952 | if (mpath->flags & MESH_PATH_RESOLVING) | |
953 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
954 | ||
955 | pinfo->flags = mpath->flags; | |
956 | } | |
957 | ||
958 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
959 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
960 | ||
961 | { | |
14db74bc | 962 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
963 | struct mesh_path *mpath; |
964 | ||
14db74bc JB |
965 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
966 | ||
c5dd9c2b | 967 | rcu_read_lock(); |
f698d856 | 968 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
969 | if (!mpath) { |
970 | rcu_read_unlock(); | |
971 | return -ENOENT; | |
972 | } | |
973 | memcpy(dst, mpath->dst, ETH_ALEN); | |
974 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
975 | rcu_read_unlock(); | |
976 | return 0; | |
977 | } | |
978 | ||
979 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
980 | int idx, u8 *dst, u8 *next_hop, | |
981 | struct mpath_info *pinfo) | |
982 | { | |
14db74bc | 983 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
984 | struct mesh_path *mpath; |
985 | ||
14db74bc JB |
986 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
987 | ||
c5dd9c2b | 988 | rcu_read_lock(); |
f698d856 | 989 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
990 | if (!mpath) { |
991 | rcu_read_unlock(); | |
992 | return -ENOENT; | |
993 | } | |
994 | memcpy(dst, mpath->dst, ETH_ALEN); | |
995 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
996 | rcu_read_unlock(); | |
997 | return 0; | |
998 | } | |
93da9cc1 | 999 | |
1000 | static int ieee80211_get_mesh_params(struct wiphy *wiphy, | |
1001 | struct net_device *dev, | |
1002 | struct mesh_config *conf) | |
1003 | { | |
1004 | struct ieee80211_sub_if_data *sdata; | |
1005 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1006 | ||
93da9cc1 | 1007 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1008 | return 0; | |
1009 | } | |
1010 | ||
1011 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1012 | { | |
1013 | return (mask >> (parm-1)) & 0x1; | |
1014 | } | |
1015 | ||
1016 | static int ieee80211_set_mesh_params(struct wiphy *wiphy, | |
1017 | struct net_device *dev, | |
1018 | const struct mesh_config *nconf, u32 mask) | |
1019 | { | |
1020 | struct mesh_config *conf; | |
1021 | struct ieee80211_sub_if_data *sdata; | |
1022 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1023 | ||
93da9cc1 | 1024 | /* Set the config options which we are interested in setting */ |
1025 | conf = &(sdata->u.mesh.mshcfg); | |
1026 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1027 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1028 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1029 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1030 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1031 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1032 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1033 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1034 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1035 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1036 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1037 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
1038 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) | |
1039 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1040 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1041 | conf->dot11MeshHWMPmaxPREQretries = | |
1042 | nconf->dot11MeshHWMPmaxPREQretries; | |
1043 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1044 | conf->path_refresh_time = nconf->path_refresh_time; | |
1045 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1046 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1047 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1048 | conf->dot11MeshHWMPactivePathTimeout = | |
1049 | nconf->dot11MeshHWMPactivePathTimeout; | |
1050 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1051 | conf->dot11MeshHWMPpreqMinInterval = | |
1052 | nconf->dot11MeshHWMPpreqMinInterval; | |
1053 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1054 | mask)) | |
1055 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1056 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
1057 | return 0; | |
1058 | } | |
1059 | ||
c5dd9c2b LCC |
1060 | #endif |
1061 | ||
9f1ba906 JM |
1062 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1063 | struct net_device *dev, | |
1064 | struct bss_parameters *params) | |
1065 | { | |
9f1ba906 JM |
1066 | struct ieee80211_sub_if_data *sdata; |
1067 | u32 changed = 0; | |
1068 | ||
9f1ba906 JM |
1069 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1070 | ||
9f1ba906 | 1071 | if (params->use_cts_prot >= 0) { |
bda3933a | 1072 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1073 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1074 | } | |
1075 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1076 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1077 | params->use_short_preamble; |
1078 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1079 | } | |
1080 | if (params->use_short_slot_time >= 0) { | |
bda3933a | 1081 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1082 | params->use_short_slot_time; |
1083 | changed |= BSS_CHANGED_ERP_SLOT; | |
1084 | } | |
1085 | ||
90c97a04 JM |
1086 | if (params->basic_rates) { |
1087 | int i, j; | |
1088 | u32 rates = 0; | |
1089 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1090 | struct ieee80211_supported_band *sband = | |
1091 | wiphy->bands[local->oper_channel->band]; | |
1092 | ||
1093 | for (i = 0; i < params->basic_rates_len; i++) { | |
1094 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1095 | for (j = 0; j < sband->n_bitrates; j++) { | |
1096 | if (sband->bitrates[j].bitrate == rate) | |
1097 | rates |= BIT(j); | |
1098 | } | |
1099 | } | |
1100 | sdata->vif.bss_conf.basic_rates = rates; | |
1101 | changed |= BSS_CHANGED_BASIC_RATES; | |
1102 | } | |
1103 | ||
9f1ba906 JM |
1104 | ieee80211_bss_info_change_notify(sdata, changed); |
1105 | ||
1106 | return 0; | |
1107 | } | |
1108 | ||
31888487 JM |
1109 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1110 | struct ieee80211_txq_params *params) | |
1111 | { | |
1112 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1113 | struct ieee80211_tx_queue_params p; | |
1114 | ||
1115 | if (!local->ops->conf_tx) | |
1116 | return -EOPNOTSUPP; | |
1117 | ||
1118 | memset(&p, 0, sizeof(p)); | |
1119 | p.aifs = params->aifs; | |
1120 | p.cw_max = params->cwmax; | |
1121 | p.cw_min = params->cwmin; | |
1122 | p.txop = params->txop; | |
24487981 | 1123 | if (drv_conf_tx(local, params->queue, &p)) { |
31888487 JM |
1124 | printk(KERN_DEBUG "%s: failed to set TX queue " |
1125 | "parameters for queue %d\n", local->mdev->name, | |
1126 | params->queue); | |
1127 | return -EINVAL; | |
1128 | } | |
1129 | ||
1130 | return 0; | |
1131 | } | |
1132 | ||
72bdcf34 JM |
1133 | static int ieee80211_set_channel(struct wiphy *wiphy, |
1134 | struct ieee80211_channel *chan, | |
094d05dc | 1135 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1136 | { |
1137 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1138 | ||
1139 | local->oper_channel = chan; | |
094d05dc | 1140 | local->oper_channel_type = channel_type; |
72bdcf34 JM |
1141 | |
1142 | return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1143 | } | |
1144 | ||
665af4fc BC |
1145 | #ifdef CONFIG_PM |
1146 | static int ieee80211_suspend(struct wiphy *wiphy) | |
1147 | { | |
1148 | return __ieee80211_suspend(wiphy_priv(wiphy)); | |
1149 | } | |
1150 | ||
1151 | static int ieee80211_resume(struct wiphy *wiphy) | |
1152 | { | |
1153 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1154 | } | |
1155 | #else | |
1156 | #define ieee80211_suspend NULL | |
1157 | #define ieee80211_resume NULL | |
1158 | #endif | |
1159 | ||
2a519311 JB |
1160 | static int ieee80211_scan(struct wiphy *wiphy, |
1161 | struct net_device *dev, | |
1162 | struct cfg80211_scan_request *req) | |
1163 | { | |
1164 | struct ieee80211_sub_if_data *sdata; | |
1165 | ||
2a519311 JB |
1166 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1167 | ||
1168 | if (sdata->vif.type != NL80211_IFTYPE_STATION && | |
1169 | sdata->vif.type != NL80211_IFTYPE_ADHOC && | |
357303e2 JM |
1170 | sdata->vif.type != NL80211_IFTYPE_MESH_POINT && |
1171 | (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon)) | |
2a519311 JB |
1172 | return -EOPNOTSUPP; |
1173 | ||
1174 | return ieee80211_request_scan(sdata, req); | |
1175 | } | |
1176 | ||
636a5d36 JM |
1177 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1178 | struct cfg80211_auth_request *req) | |
1179 | { | |
1180 | struct ieee80211_sub_if_data *sdata; | |
1181 | ||
636a5d36 JM |
1182 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1183 | ||
636a5d36 JM |
1184 | switch (req->auth_type) { |
1185 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
1186 | sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN; | |
1187 | break; | |
1188 | case NL80211_AUTHTYPE_SHARED_KEY: | |
1189 | sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY; | |
1190 | break; | |
1191 | case NL80211_AUTHTYPE_FT: | |
1192 | sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT; | |
1193 | break; | |
1194 | case NL80211_AUTHTYPE_NETWORK_EAP: | |
1195 | sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP; | |
1196 | break; | |
1197 | default: | |
1198 | return -EOPNOTSUPP; | |
1199 | } | |
1200 | ||
1201 | memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN); | |
1202 | sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL; | |
1203 | sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET; | |
1204 | ||
1205 | /* TODO: req->chan */ | |
1206 | sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL; | |
1207 | ||
1208 | if (req->ssid) { | |
1209 | sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET; | |
1210 | memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len); | |
1211 | sdata->u.mgd.ssid_len = req->ssid_len; | |
1212 | sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL; | |
1213 | } | |
1214 | ||
1215 | kfree(sdata->u.mgd.sme_auth_ie); | |
1216 | sdata->u.mgd.sme_auth_ie = NULL; | |
1217 | sdata->u.mgd.sme_auth_ie_len = 0; | |
1218 | if (req->ie) { | |
1219 | sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL); | |
1220 | if (sdata->u.mgd.sme_auth_ie == NULL) | |
1221 | return -ENOMEM; | |
1222 | memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len); | |
1223 | sdata->u.mgd.sme_auth_ie_len = req->ie_len; | |
1224 | } | |
1225 | ||
1226 | sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME; | |
1227 | sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE; | |
1228 | ieee80211_sta_req_auth(sdata); | |
1229 | return 0; | |
1230 | } | |
1231 | ||
1232 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1233 | struct cfg80211_assoc_request *req) | |
1234 | { | |
1235 | struct ieee80211_sub_if_data *sdata; | |
1236 | int ret; | |
1237 | ||
636a5d36 JM |
1238 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1239 | ||
636a5d36 JM |
1240 | if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 || |
1241 | !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED)) | |
1242 | return -ENOLINK; /* not authenticated */ | |
1243 | ||
1244 | sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL; | |
1245 | sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET; | |
1246 | ||
1247 | /* TODO: req->chan */ | |
1248 | sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL; | |
1249 | ||
1250 | if (req->ssid) { | |
1251 | sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET; | |
1252 | memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len); | |
1253 | sdata->u.mgd.ssid_len = req->ssid_len; | |
1254 | sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL; | |
1255 | } else | |
1256 | sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL; | |
1257 | ||
1258 | ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len); | |
86ab04c8 | 1259 | if (ret && ret != -EALREADY) |
636a5d36 JM |
1260 | return ret; |
1261 | ||
dc6382ce JM |
1262 | if (req->use_mfp) { |
1263 | sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED; | |
1264 | sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED; | |
1265 | } else { | |
1266 | sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED; | |
1267 | sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED; | |
1268 | } | |
1269 | ||
3f77316c JM |
1270 | if (req->control_port) |
1271 | sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT; | |
1272 | else | |
1273 | sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT; | |
1274 | ||
636a5d36 JM |
1275 | sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME; |
1276 | sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE; | |
1277 | ieee80211_sta_req_auth(sdata); | |
1278 | return 0; | |
1279 | } | |
1280 | ||
1281 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
1282 | struct cfg80211_deauth_request *req) | |
1283 | { | |
691597cb | 1284 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
636a5d36 | 1285 | |
691597cb | 1286 | /* TODO: req->ie, req->peer_addr */ |
636a5d36 JM |
1287 | return ieee80211_sta_deauthenticate(sdata, req->reason_code); |
1288 | } | |
1289 | ||
1290 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
1291 | struct cfg80211_disassoc_request *req) | |
1292 | { | |
691597cb | 1293 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
636a5d36 | 1294 | |
691597cb | 1295 | /* TODO: req->ie, req->peer_addr */ |
636a5d36 JM |
1296 | return ieee80211_sta_disassociate(sdata, req->reason_code); |
1297 | } | |
1298 | ||
af8cdcd8 JB |
1299 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1300 | struct cfg80211_ibss_params *params) | |
1301 | { | |
1302 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1303 | ||
1304 | return ieee80211_ibss_join(sdata, params); | |
1305 | } | |
1306 | ||
1307 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1308 | { | |
1309 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1310 | ||
1311 | return ieee80211_ibss_leave(sdata); | |
1312 | } | |
1313 | ||
b9a5f8ca JM |
1314 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1315 | { | |
1316 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1317 | int err; |
b9a5f8ca JM |
1318 | |
1319 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
24487981 | 1320 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1321 | |
24487981 JB |
1322 | if (err) |
1323 | return err; | |
b9a5f8ca JM |
1324 | } |
1325 | ||
1326 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1327 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1328 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1329 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1330 | if (changed & | |
1331 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1332 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1333 | ||
1334 | return 0; | |
1335 | } | |
1336 | ||
f0706e82 JB |
1337 | struct cfg80211_ops mac80211_config_ops = { |
1338 | .add_virtual_intf = ieee80211_add_iface, | |
1339 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 1340 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
1341 | .add_key = ieee80211_add_key, |
1342 | .del_key = ieee80211_del_key, | |
62da92fb | 1343 | .get_key = ieee80211_get_key, |
e8cbb4cb | 1344 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 1345 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
1346 | .add_beacon = ieee80211_add_beacon, |
1347 | .set_beacon = ieee80211_set_beacon, | |
1348 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
1349 | .add_station = ieee80211_add_station, |
1350 | .del_station = ieee80211_del_station, | |
1351 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 1352 | .get_station = ieee80211_get_station, |
c5dd9c2b LCC |
1353 | .dump_station = ieee80211_dump_station, |
1354 | #ifdef CONFIG_MAC80211_MESH | |
1355 | .add_mpath = ieee80211_add_mpath, | |
1356 | .del_mpath = ieee80211_del_mpath, | |
1357 | .change_mpath = ieee80211_change_mpath, | |
1358 | .get_mpath = ieee80211_get_mpath, | |
1359 | .dump_mpath = ieee80211_dump_mpath, | |
93da9cc1 | 1360 | .set_mesh_params = ieee80211_set_mesh_params, |
1361 | .get_mesh_params = ieee80211_get_mesh_params, | |
c5dd9c2b | 1362 | #endif |
9f1ba906 | 1363 | .change_bss = ieee80211_change_bss, |
31888487 | 1364 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 1365 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
1366 | .suspend = ieee80211_suspend, |
1367 | .resume = ieee80211_resume, | |
2a519311 | 1368 | .scan = ieee80211_scan, |
636a5d36 JM |
1369 | .auth = ieee80211_auth, |
1370 | .assoc = ieee80211_assoc, | |
1371 | .deauth = ieee80211_deauth, | |
1372 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
1373 | .join_ibss = ieee80211_join_ibss, |
1374 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 1375 | .set_wiphy_params = ieee80211_set_wiphy_params, |
f0706e82 | 1376 | }; |