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 | ||
f14543ee FF |
39 | static bool nl80211_params_check(enum nl80211_iftype type, |
40 | struct vif_params *params) | |
41 | { | |
42 | if (!nl80211_type_check(type)) | |
43 | return false; | |
44 | ||
f14543ee FF |
45 | return true; |
46 | } | |
47 | ||
f0706e82 | 48 | static int ieee80211_add_iface(struct wiphy *wiphy, char *name, |
2ec600d6 LCC |
49 | enum nl80211_iftype type, u32 *flags, |
50 | struct vif_params *params) | |
f0706e82 JB |
51 | { |
52 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
53 | struct net_device *dev; |
54 | struct ieee80211_sub_if_data *sdata; | |
55 | int err; | |
f0706e82 | 56 | |
f14543ee | 57 | if (!nl80211_params_check(type, params)) |
f0706e82 | 58 | return -EINVAL; |
f0706e82 | 59 | |
05c914fe JB |
60 | err = ieee80211_if_add(local, name, &dev, type, params); |
61 | if (err || type != NL80211_IFTYPE_MONITOR || !flags) | |
8cc9a739 MW |
62 | return err; |
63 | ||
64 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
65 | sdata->u.mntr_flags = *flags; | |
66 | return 0; | |
f0706e82 JB |
67 | } |
68 | ||
463d0183 | 69 | static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) |
f0706e82 | 70 | { |
463d0183 | 71 | ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); |
f0706e82 | 72 | |
75636525 | 73 | return 0; |
f0706e82 JB |
74 | } |
75 | ||
e36d56b6 JB |
76 | static int ieee80211_change_iface(struct wiphy *wiphy, |
77 | struct net_device *dev, | |
2ec600d6 LCC |
78 | enum nl80211_iftype type, u32 *flags, |
79 | struct vif_params *params) | |
42613db7 | 80 | { |
42613db7 | 81 | struct ieee80211_sub_if_data *sdata; |
f3947e2d | 82 | int ret; |
42613db7 | 83 | |
c1f9a764 JB |
84 | if (netif_running(dev)) |
85 | return -EBUSY; | |
86 | ||
f14543ee | 87 | if (!nl80211_params_check(type, params)) |
42613db7 JB |
88 | return -EINVAL; |
89 | ||
90 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
91 | ||
05c914fe | 92 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
93 | if (ret) |
94 | return ret; | |
42613db7 | 95 | |
902acc78 | 96 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) |
472dbc45 JB |
97 | ieee80211_sdata_set_mesh_id(sdata, |
98 | params->mesh_id_len, | |
99 | params->mesh_id); | |
c5dd9c2b | 100 | |
05c914fe | 101 | if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags) |
8cc9a739 MW |
102 | return 0; |
103 | ||
9bc383de JB |
104 | if (type == NL80211_IFTYPE_AP_VLAN && |
105 | params && params->use_4addr == 0) | |
106 | rcu_assign_pointer(sdata->u.vlan.sta, NULL); | |
107 | else if (type == NL80211_IFTYPE_STATION && | |
108 | params && params->use_4addr >= 0) | |
109 | sdata->u.mgd.use_4addr = params->use_4addr; | |
110 | ||
8cc9a739 | 111 | sdata->u.mntr_flags = *flags; |
42613db7 JB |
112 | return 0; |
113 | } | |
114 | ||
e8cbb4cb | 115 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
4e943900 | 116 | u8 key_idx, const u8 *mac_addr, |
e8cbb4cb JB |
117 | struct key_params *params) |
118 | { | |
119 | struct ieee80211_sub_if_data *sdata; | |
120 | struct sta_info *sta = NULL; | |
121 | enum ieee80211_key_alg alg; | |
db4d1169 | 122 | struct ieee80211_key *key; |
3b96766f | 123 | int err; |
e8cbb4cb JB |
124 | |
125 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
126 | ||
127 | switch (params->cipher) { | |
128 | case WLAN_CIPHER_SUITE_WEP40: | |
129 | case WLAN_CIPHER_SUITE_WEP104: | |
130 | alg = ALG_WEP; | |
131 | break; | |
132 | case WLAN_CIPHER_SUITE_TKIP: | |
133 | alg = ALG_TKIP; | |
134 | break; | |
135 | case WLAN_CIPHER_SUITE_CCMP: | |
136 | alg = ALG_CCMP; | |
137 | break; | |
3cfcf6ac JM |
138 | case WLAN_CIPHER_SUITE_AES_CMAC: |
139 | alg = ALG_AES_CMAC; | |
140 | break; | |
e8cbb4cb JB |
141 | default: |
142 | return -EINVAL; | |
143 | } | |
144 | ||
faa8fdc8 JM |
145 | key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key, |
146 | params->seq_len, params->seq); | |
db4d1169 JB |
147 | if (!key) |
148 | return -ENOMEM; | |
149 | ||
3b96766f JB |
150 | rcu_read_lock(); |
151 | ||
e8cbb4cb JB |
152 | if (mac_addr) { |
153 | sta = sta_info_get(sdata->local, mac_addr); | |
db4d1169 JB |
154 | if (!sta) { |
155 | ieee80211_key_free(key); | |
3b96766f JB |
156 | err = -ENOENT; |
157 | goto out_unlock; | |
db4d1169 | 158 | } |
e8cbb4cb JB |
159 | } |
160 | ||
db4d1169 JB |
161 | ieee80211_key_link(key, sdata, sta); |
162 | ||
3b96766f JB |
163 | err = 0; |
164 | out_unlock: | |
165 | rcu_read_unlock(); | |
166 | ||
167 | return err; | |
e8cbb4cb JB |
168 | } |
169 | ||
170 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
4e943900 | 171 | u8 key_idx, const u8 *mac_addr) |
e8cbb4cb JB |
172 | { |
173 | struct ieee80211_sub_if_data *sdata; | |
174 | struct sta_info *sta; | |
175 | int ret; | |
176 | ||
177 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
178 | ||
3b96766f JB |
179 | rcu_read_lock(); |
180 | ||
e8cbb4cb | 181 | if (mac_addr) { |
3b96766f JB |
182 | ret = -ENOENT; |
183 | ||
e8cbb4cb JB |
184 | sta = sta_info_get(sdata->local, mac_addr); |
185 | if (!sta) | |
3b96766f | 186 | goto out_unlock; |
e8cbb4cb | 187 | |
db4d1169 | 188 | if (sta->key) { |
d0709a65 | 189 | ieee80211_key_free(sta->key); |
db4d1169 | 190 | WARN_ON(sta->key); |
3b96766f JB |
191 | ret = 0; |
192 | } | |
e8cbb4cb | 193 | |
3b96766f | 194 | goto out_unlock; |
e8cbb4cb JB |
195 | } |
196 | ||
3b96766f JB |
197 | if (!sdata->keys[key_idx]) { |
198 | ret = -ENOENT; | |
199 | goto out_unlock; | |
200 | } | |
e8cbb4cb | 201 | |
d0709a65 | 202 | ieee80211_key_free(sdata->keys[key_idx]); |
db4d1169 | 203 | WARN_ON(sdata->keys[key_idx]); |
e8cbb4cb | 204 | |
3b96766f JB |
205 | ret = 0; |
206 | out_unlock: | |
207 | rcu_read_unlock(); | |
208 | ||
209 | return ret; | |
e8cbb4cb JB |
210 | } |
211 | ||
62da92fb | 212 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
4e943900 | 213 | u8 key_idx, const u8 *mac_addr, void *cookie, |
62da92fb JB |
214 | void (*callback)(void *cookie, |
215 | struct key_params *params)) | |
216 | { | |
14db74bc | 217 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
218 | struct sta_info *sta = NULL; |
219 | u8 seq[6] = {0}; | |
220 | struct key_params params; | |
221 | struct ieee80211_key *key; | |
222 | u32 iv32; | |
223 | u16 iv16; | |
224 | int err = -ENOENT; | |
225 | ||
14db74bc JB |
226 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
227 | ||
3b96766f JB |
228 | rcu_read_lock(); |
229 | ||
62da92fb JB |
230 | if (mac_addr) { |
231 | sta = sta_info_get(sdata->local, mac_addr); | |
232 | if (!sta) | |
233 | goto out; | |
234 | ||
235 | key = sta->key; | |
236 | } else | |
237 | key = sdata->keys[key_idx]; | |
238 | ||
239 | if (!key) | |
240 | goto out; | |
241 | ||
242 | memset(¶ms, 0, sizeof(params)); | |
243 | ||
244 | switch (key->conf.alg) { | |
245 | case ALG_TKIP: | |
246 | params.cipher = WLAN_CIPHER_SUITE_TKIP; | |
247 | ||
b0f76b33 HH |
248 | iv32 = key->u.tkip.tx.iv32; |
249 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 250 | |
24487981 JB |
251 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
252 | drv_get_tkip_seq(sdata->local, | |
253 | key->conf.hw_key_idx, | |
254 | &iv32, &iv16); | |
62da92fb JB |
255 | |
256 | seq[0] = iv16 & 0xff; | |
257 | seq[1] = (iv16 >> 8) & 0xff; | |
258 | seq[2] = iv32 & 0xff; | |
259 | seq[3] = (iv32 >> 8) & 0xff; | |
260 | seq[4] = (iv32 >> 16) & 0xff; | |
261 | seq[5] = (iv32 >> 24) & 0xff; | |
262 | params.seq = seq; | |
263 | params.seq_len = 6; | |
264 | break; | |
265 | case ALG_CCMP: | |
266 | params.cipher = WLAN_CIPHER_SUITE_CCMP; | |
267 | seq[0] = key->u.ccmp.tx_pn[5]; | |
268 | seq[1] = key->u.ccmp.tx_pn[4]; | |
269 | seq[2] = key->u.ccmp.tx_pn[3]; | |
270 | seq[3] = key->u.ccmp.tx_pn[2]; | |
271 | seq[4] = key->u.ccmp.tx_pn[1]; | |
272 | seq[5] = key->u.ccmp.tx_pn[0]; | |
273 | params.seq = seq; | |
274 | params.seq_len = 6; | |
275 | break; | |
276 | case ALG_WEP: | |
277 | if (key->conf.keylen == 5) | |
278 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
279 | else | |
280 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
281 | break; | |
3cfcf6ac JM |
282 | case ALG_AES_CMAC: |
283 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; | |
284 | seq[0] = key->u.aes_cmac.tx_pn[5]; | |
285 | seq[1] = key->u.aes_cmac.tx_pn[4]; | |
286 | seq[2] = key->u.aes_cmac.tx_pn[3]; | |
287 | seq[3] = key->u.aes_cmac.tx_pn[2]; | |
288 | seq[4] = key->u.aes_cmac.tx_pn[1]; | |
289 | seq[5] = key->u.aes_cmac.tx_pn[0]; | |
290 | params.seq = seq; | |
291 | params.seq_len = 6; | |
292 | break; | |
62da92fb JB |
293 | } |
294 | ||
295 | params.key = key->conf.key; | |
296 | params.key_len = key->conf.keylen; | |
297 | ||
298 | callback(cookie, ¶ms); | |
299 | err = 0; | |
300 | ||
301 | out: | |
3b96766f | 302 | rcu_read_unlock(); |
62da92fb JB |
303 | return err; |
304 | } | |
305 | ||
e8cbb4cb JB |
306 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
307 | struct net_device *dev, | |
308 | u8 key_idx) | |
309 | { | |
310 | struct ieee80211_sub_if_data *sdata; | |
311 | ||
3b96766f JB |
312 | rcu_read_lock(); |
313 | ||
e8cbb4cb JB |
314 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
315 | ieee80211_set_default_key(sdata, key_idx); | |
316 | ||
3b96766f JB |
317 | rcu_read_unlock(); |
318 | ||
e8cbb4cb JB |
319 | return 0; |
320 | } | |
321 | ||
3cfcf6ac JM |
322 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
323 | struct net_device *dev, | |
324 | u8 key_idx) | |
325 | { | |
326 | struct ieee80211_sub_if_data *sdata; | |
327 | ||
328 | rcu_read_lock(); | |
329 | ||
330 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
331 | ieee80211_set_default_mgmt_key(sdata, key_idx); | |
332 | ||
333 | rcu_read_unlock(); | |
334 | ||
335 | return 0; | |
336 | } | |
337 | ||
c5dd9c2b LCC |
338 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
339 | { | |
d0709a65 | 340 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
c5dd9c2b | 341 | |
f5ea9120 JB |
342 | sinfo->generation = sdata->local->sta_generation; |
343 | ||
c5dd9c2b LCC |
344 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
345 | STATION_INFO_RX_BYTES | | |
420e7fab | 346 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
347 | STATION_INFO_RX_PACKETS | |
348 | STATION_INFO_TX_PACKETS | | |
420e7fab | 349 | STATION_INFO_TX_BITRATE; |
c5dd9c2b LCC |
350 | |
351 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
352 | sinfo->rx_bytes = sta->rx_bytes; | |
353 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
354 | sinfo->rx_packets = sta->rx_packets; |
355 | sinfo->tx_packets = sta->tx_packets; | |
c5dd9c2b | 356 | |
420e7fab HR |
357 | if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) { |
358 | sinfo->filled |= STATION_INFO_SIGNAL; | |
359 | sinfo->signal = (s8)sta->last_signal; | |
360 | } | |
361 | ||
362 | sinfo->txrate.flags = 0; | |
363 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
364 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
365 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
366 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
367 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
368 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
369 | ||
370 | if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) { | |
371 | struct ieee80211_supported_band *sband; | |
372 | sband = sta->local->hw.wiphy->bands[ | |
373 | sta->local->hw.conf.channel->band]; | |
374 | sinfo->txrate.legacy = | |
375 | sband->bitrates[sta->last_tx_rate.idx].bitrate; | |
376 | } else | |
377 | sinfo->txrate.mcs = sta->last_tx_rate.idx; | |
378 | ||
902acc78 | 379 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 380 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
381 | sinfo->filled |= STATION_INFO_LLID | |
382 | STATION_INFO_PLID | | |
383 | STATION_INFO_PLINK_STATE; | |
384 | ||
385 | sinfo->llid = le16_to_cpu(sta->llid); | |
386 | sinfo->plid = le16_to_cpu(sta->plid); | |
387 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 388 | #endif |
902acc78 | 389 | } |
c5dd9c2b LCC |
390 | } |
391 | ||
392 | ||
393 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
394 | int idx, u8 *mac, struct station_info *sinfo) | |
395 | { | |
3b53fde8 | 396 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
c5dd9c2b | 397 | struct sta_info *sta; |
d0709a65 JB |
398 | int ret = -ENOENT; |
399 | ||
400 | rcu_read_lock(); | |
c5dd9c2b | 401 | |
3b53fde8 | 402 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
403 | if (sta) { |
404 | ret = 0; | |
17741cdc | 405 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
406 | sta_set_sinfo(sta, sinfo); |
407 | } | |
c5dd9c2b | 408 | |
d0709a65 | 409 | rcu_read_unlock(); |
c5dd9c2b | 410 | |
d0709a65 | 411 | return ret; |
c5dd9c2b LCC |
412 | } |
413 | ||
7bbdd2d9 | 414 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 415 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 JB |
416 | { |
417 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
418 | struct sta_info *sta; | |
d0709a65 | 419 | int ret = -ENOENT; |
7bbdd2d9 | 420 | |
d0709a65 | 421 | rcu_read_lock(); |
7bbdd2d9 JB |
422 | |
423 | /* XXX: verify sta->dev == dev */ | |
7bbdd2d9 | 424 | |
d0709a65 JB |
425 | sta = sta_info_get(local, mac); |
426 | if (sta) { | |
427 | ret = 0; | |
428 | sta_set_sinfo(sta, sinfo); | |
429 | } | |
430 | ||
431 | rcu_read_unlock(); | |
432 | ||
433 | return ret; | |
7bbdd2d9 JB |
434 | } |
435 | ||
5dfdaf58 JB |
436 | /* |
437 | * This handles both adding a beacon and setting new beacon info | |
438 | */ | |
439 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
440 | struct beacon_parameters *params) | |
441 | { | |
442 | struct beacon_data *new, *old; | |
443 | int new_head_len, new_tail_len; | |
444 | int size; | |
445 | int err = -EINVAL; | |
446 | ||
447 | old = sdata->u.ap.beacon; | |
448 | ||
449 | /* head must not be zero-length */ | |
450 | if (params->head && !params->head_len) | |
451 | return -EINVAL; | |
452 | ||
453 | /* | |
454 | * This is a kludge. beacon interval should really be part | |
455 | * of the beacon information. | |
456 | */ | |
57c4d7b4 JB |
457 | if (params->interval && |
458 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
459 | sdata->vif.bss_conf.beacon_int = params->interval; | |
460 | ieee80211_bss_info_change_notify(sdata, | |
461 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
462 | } |
463 | ||
464 | /* Need to have a beacon head if we don't have one yet */ | |
465 | if (!params->head && !old) | |
466 | return err; | |
467 | ||
468 | /* sorry, no way to start beaconing without dtim period */ | |
469 | if (!params->dtim_period && !old) | |
470 | return err; | |
471 | ||
472 | /* new or old head? */ | |
473 | if (params->head) | |
474 | new_head_len = params->head_len; | |
475 | else | |
476 | new_head_len = old->head_len; | |
477 | ||
478 | /* new or old tail? */ | |
479 | if (params->tail || !old) | |
480 | /* params->tail_len will be zero for !params->tail */ | |
481 | new_tail_len = params->tail_len; | |
482 | else | |
483 | new_tail_len = old->tail_len; | |
484 | ||
485 | size = sizeof(*new) + new_head_len + new_tail_len; | |
486 | ||
487 | new = kzalloc(size, GFP_KERNEL); | |
488 | if (!new) | |
489 | return -ENOMEM; | |
490 | ||
491 | /* start filling the new info now */ | |
492 | ||
493 | /* new or old dtim period? */ | |
494 | if (params->dtim_period) | |
495 | new->dtim_period = params->dtim_period; | |
496 | else | |
497 | new->dtim_period = old->dtim_period; | |
498 | ||
499 | /* | |
500 | * pointers go into the block we allocated, | |
501 | * memory is | beacon_data | head | tail | | |
502 | */ | |
503 | new->head = ((u8 *) new) + sizeof(*new); | |
504 | new->tail = new->head + new_head_len; | |
505 | new->head_len = new_head_len; | |
506 | new->tail_len = new_tail_len; | |
507 | ||
508 | /* copy in head */ | |
509 | if (params->head) | |
510 | memcpy(new->head, params->head, new_head_len); | |
511 | else | |
512 | memcpy(new->head, old->head, new_head_len); | |
513 | ||
514 | /* copy in optional tail */ | |
515 | if (params->tail) | |
516 | memcpy(new->tail, params->tail, new_tail_len); | |
517 | else | |
518 | if (old) | |
519 | memcpy(new->tail, old->tail, new_tail_len); | |
520 | ||
521 | rcu_assign_pointer(sdata->u.ap.beacon, new); | |
522 | ||
523 | synchronize_rcu(); | |
524 | ||
525 | kfree(old); | |
526 | ||
2d0ddec5 JB |
527 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |
528 | BSS_CHANGED_BEACON); | |
529 | return 0; | |
5dfdaf58 JB |
530 | } |
531 | ||
532 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
533 | struct beacon_parameters *params) | |
534 | { | |
14db74bc | 535 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
536 | struct beacon_data *old; |
537 | ||
14db74bc JB |
538 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
539 | ||
5dfdaf58 JB |
540 | old = sdata->u.ap.beacon; |
541 | ||
542 | if (old) | |
543 | return -EALREADY; | |
544 | ||
545 | return ieee80211_config_beacon(sdata, params); | |
546 | } | |
547 | ||
548 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
549 | struct beacon_parameters *params) | |
550 | { | |
14db74bc | 551 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
552 | struct beacon_data *old; |
553 | ||
14db74bc JB |
554 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
555 | ||
5dfdaf58 JB |
556 | old = sdata->u.ap.beacon; |
557 | ||
558 | if (!old) | |
559 | return -ENOENT; | |
560 | ||
561 | return ieee80211_config_beacon(sdata, params); | |
562 | } | |
563 | ||
564 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
565 | { | |
14db74bc | 566 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
567 | struct beacon_data *old; |
568 | ||
14db74bc JB |
569 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
570 | ||
5dfdaf58 JB |
571 | old = sdata->u.ap.beacon; |
572 | ||
573 | if (!old) | |
574 | return -ENOENT; | |
575 | ||
576 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
577 | synchronize_rcu(); | |
578 | kfree(old); | |
579 | ||
2d0ddec5 JB |
580 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
581 | return 0; | |
5dfdaf58 JB |
582 | } |
583 | ||
4fd6931e JB |
584 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
585 | struct iapp_layer2_update { | |
586 | u8 da[ETH_ALEN]; /* broadcast */ | |
587 | u8 sa[ETH_ALEN]; /* STA addr */ | |
588 | __be16 len; /* 6 */ | |
589 | u8 dsap; /* 0 */ | |
590 | u8 ssap; /* 0 */ | |
591 | u8 control; | |
592 | u8 xid_info[3]; | |
593 | } __attribute__ ((packed)); | |
594 | ||
595 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
596 | { | |
597 | struct iapp_layer2_update *msg; | |
598 | struct sk_buff *skb; | |
599 | ||
600 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
601 | * bridge devices */ | |
602 | ||
603 | skb = dev_alloc_skb(sizeof(*msg)); | |
604 | if (!skb) | |
605 | return; | |
606 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
607 | ||
608 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
609 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
610 | ||
611 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 612 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
613 | msg->len = htons(6); |
614 | msg->dsap = 0; | |
615 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
616 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
617 | * F=0 (no poll command; unsolicited frame) */ | |
618 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
619 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
620 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
621 | ||
d0709a65 JB |
622 | skb->dev = sta->sdata->dev; |
623 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e JB |
624 | memset(skb->cb, 0, sizeof(skb->cb)); |
625 | netif_rx(skb); | |
626 | } | |
627 | ||
628 | static void sta_apply_parameters(struct ieee80211_local *local, | |
629 | struct sta_info *sta, | |
630 | struct station_parameters *params) | |
631 | { | |
632 | u32 rates; | |
633 | int i, j; | |
8318d78a | 634 | struct ieee80211_supported_band *sband; |
d0709a65 | 635 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 636 | u32 mask, set; |
4fd6931e | 637 | |
ae5eb026 JB |
638 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
639 | ||
eccb8e8f JB |
640 | spin_lock_bh(&sta->lock); |
641 | mask = params->sta_flags_mask; | |
642 | set = params->sta_flags_set; | |
73651ee6 | 643 | |
eccb8e8f | 644 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4fd6931e | 645 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
eccb8e8f | 646 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
4fd6931e | 647 | sta->flags |= WLAN_STA_AUTHORIZED; |
eccb8e8f | 648 | } |
4fd6931e | 649 | |
eccb8e8f | 650 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
4fd6931e | 651 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 652 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
4fd6931e | 653 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 654 | } |
4fd6931e | 655 | |
eccb8e8f | 656 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
4fd6931e | 657 | sta->flags &= ~WLAN_STA_WME; |
eccb8e8f | 658 | if (set & BIT(NL80211_STA_FLAG_WME)) |
4fd6931e | 659 | sta->flags |= WLAN_STA_WME; |
eccb8e8f | 660 | } |
5394af4d | 661 | |
eccb8e8f | 662 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
5394af4d | 663 | sta->flags &= ~WLAN_STA_MFP; |
eccb8e8f | 664 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
5394af4d | 665 | sta->flags |= WLAN_STA_MFP; |
4fd6931e | 666 | } |
eccb8e8f | 667 | spin_unlock_bh(&sta->lock); |
4fd6931e | 668 | |
51b50fbe JB |
669 | /* |
670 | * cfg80211 validates this (1-2007) and allows setting the AID | |
671 | * only when creating a new station entry | |
672 | */ | |
673 | if (params->aid) | |
674 | sta->sta.aid = params->aid; | |
675 | ||
73651ee6 JB |
676 | /* |
677 | * FIXME: updating the following information is racy when this | |
678 | * function is called from ieee80211_change_station(). | |
679 | * However, all this information should be static so | |
680 | * maybe we should just reject attemps to change it. | |
681 | */ | |
682 | ||
4fd6931e JB |
683 | if (params->listen_interval >= 0) |
684 | sta->listen_interval = params->listen_interval; | |
685 | ||
686 | if (params->supported_rates) { | |
687 | rates = 0; | |
8318d78a | 688 | |
4fd6931e JB |
689 | for (i = 0; i < params->supported_rates_len; i++) { |
690 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
691 | for (j = 0; j < sband->n_bitrates; j++) { |
692 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
693 | rates |= BIT(j); |
694 | } | |
695 | } | |
323ce79a | 696 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 697 | } |
c5dd9c2b | 698 | |
d9fe60de | 699 | if (params->ht_capa) |
ae5eb026 JB |
700 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
701 | params->ht_capa, | |
d9fe60de | 702 | &sta->sta.ht_cap); |
36aedc90 | 703 | |
902acc78 | 704 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { |
c5dd9c2b LCC |
705 | switch (params->plink_action) { |
706 | case PLINK_ACTION_OPEN: | |
707 | mesh_plink_open(sta); | |
708 | break; | |
709 | case PLINK_ACTION_BLOCK: | |
710 | mesh_plink_block(sta); | |
711 | break; | |
712 | } | |
902acc78 | 713 | } |
4fd6931e JB |
714 | } |
715 | ||
716 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
717 | u8 *mac, struct station_parameters *params) | |
718 | { | |
14db74bc | 719 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
720 | struct sta_info *sta; |
721 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 722 | int err; |
b8d476c8 | 723 | int layer2_update; |
4fd6931e | 724 | |
4fd6931e JB |
725 | if (params->vlan) { |
726 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
727 | ||
05c914fe JB |
728 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
729 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
730 | return -EINVAL; |
731 | } else | |
732 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
733 | ||
03e4497e JB |
734 | if (compare_ether_addr(mac, dev->dev_addr) == 0) |
735 | return -EINVAL; | |
736 | ||
737 | if (is_multicast_ether_addr(mac)) | |
738 | return -EINVAL; | |
739 | ||
740 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
741 | if (!sta) |
742 | return -ENOMEM; | |
4fd6931e JB |
743 | |
744 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
745 | ||
746 | sta_apply_parameters(local, sta, params); | |
747 | ||
4b7679a5 | 748 | rate_control_rate_init(sta); |
4fd6931e | 749 | |
b8d476c8 JM |
750 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
751 | sdata->vif.type == NL80211_IFTYPE_AP; | |
752 | ||
73651ee6 JB |
753 | rcu_read_lock(); |
754 | ||
755 | err = sta_info_insert(sta); | |
756 | if (err) { | |
73651ee6 JB |
757 | rcu_read_unlock(); |
758 | return err; | |
759 | } | |
760 | ||
b8d476c8 | 761 | if (layer2_update) |
73651ee6 JB |
762 | ieee80211_send_layer2_update(sta); |
763 | ||
764 | rcu_read_unlock(); | |
765 | ||
4fd6931e JB |
766 | return 0; |
767 | } | |
768 | ||
769 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
770 | u8 *mac) | |
771 | { | |
14db74bc JB |
772 | struct ieee80211_local *local = wiphy_priv(wiphy); |
773 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e JB |
774 | struct sta_info *sta; |
775 | ||
14db74bc JB |
776 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
777 | ||
4fd6931e | 778 | if (mac) { |
98dd6a57 JB |
779 | rcu_read_lock(); |
780 | ||
4fd6931e JB |
781 | /* XXX: get sta belonging to dev */ |
782 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
783 | if (!sta) { |
784 | rcu_read_unlock(); | |
4fd6931e | 785 | return -ENOENT; |
98dd6a57 | 786 | } |
4fd6931e | 787 | |
d0709a65 | 788 | sta_info_unlink(&sta); |
98dd6a57 JB |
789 | rcu_read_unlock(); |
790 | ||
4f6fab47 | 791 | sta_info_destroy(sta); |
4fd6931e | 792 | } else |
d0709a65 | 793 | sta_info_flush(local, sdata); |
4fd6931e JB |
794 | |
795 | return 0; | |
796 | } | |
797 | ||
798 | static int ieee80211_change_station(struct wiphy *wiphy, | |
799 | struct net_device *dev, | |
800 | u8 *mac, | |
801 | struct station_parameters *params) | |
802 | { | |
14db74bc | 803 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
804 | struct sta_info *sta; |
805 | struct ieee80211_sub_if_data *vlansdata; | |
806 | ||
98dd6a57 JB |
807 | rcu_read_lock(); |
808 | ||
4fd6931e JB |
809 | /* XXX: get sta belonging to dev */ |
810 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
811 | if (!sta) { |
812 | rcu_read_unlock(); | |
4fd6931e | 813 | return -ENOENT; |
98dd6a57 | 814 | } |
4fd6931e | 815 | |
d0709a65 | 816 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
817 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
818 | ||
05c914fe JB |
819 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
820 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 821 | rcu_read_unlock(); |
4fd6931e | 822 | return -EINVAL; |
98dd6a57 | 823 | } |
4fd6931e | 824 | |
9bc383de | 825 | if (params->vlan->ieee80211_ptr->use_4addr) { |
f14543ee FF |
826 | if (vlansdata->u.vlan.sta) |
827 | return -EBUSY; | |
828 | ||
829 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); | |
830 | } | |
831 | ||
14db74bc | 832 | sta->sdata = vlansdata; |
4fd6931e JB |
833 | ieee80211_send_layer2_update(sta); |
834 | } | |
835 | ||
836 | sta_apply_parameters(local, sta, params); | |
837 | ||
98dd6a57 JB |
838 | rcu_read_unlock(); |
839 | ||
4fd6931e JB |
840 | return 0; |
841 | } | |
842 | ||
c5dd9c2b LCC |
843 | #ifdef CONFIG_MAC80211_MESH |
844 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
845 | u8 *dst, u8 *next_hop) | |
846 | { | |
14db74bc JB |
847 | struct ieee80211_local *local = wiphy_priv(wiphy); |
848 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
849 | struct mesh_path *mpath; |
850 | struct sta_info *sta; | |
851 | int err; | |
852 | ||
14db74bc JB |
853 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
854 | ||
d0709a65 | 855 | rcu_read_lock(); |
c5dd9c2b | 856 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
857 | if (!sta) { |
858 | rcu_read_unlock(); | |
c5dd9c2b | 859 | return -ENOENT; |
d0709a65 | 860 | } |
c5dd9c2b | 861 | |
f698d856 | 862 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
863 | if (err) { |
864 | rcu_read_unlock(); | |
c5dd9c2b | 865 | return err; |
d0709a65 | 866 | } |
c5dd9c2b | 867 | |
f698d856 | 868 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
869 | if (!mpath) { |
870 | rcu_read_unlock(); | |
c5dd9c2b LCC |
871 | return -ENXIO; |
872 | } | |
873 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 874 | |
c5dd9c2b LCC |
875 | rcu_read_unlock(); |
876 | return 0; | |
877 | } | |
878 | ||
879 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
880 | u8 *dst) | |
881 | { | |
f698d856 JBG |
882 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
883 | ||
c5dd9c2b | 884 | if (dst) |
f698d856 | 885 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 886 | |
f698d856 | 887 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
888 | return 0; |
889 | } | |
890 | ||
891 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
892 | struct net_device *dev, | |
893 | u8 *dst, u8 *next_hop) | |
894 | { | |
14db74bc JB |
895 | struct ieee80211_local *local = wiphy_priv(wiphy); |
896 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
897 | struct mesh_path *mpath; |
898 | struct sta_info *sta; | |
899 | ||
14db74bc JB |
900 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
901 | ||
d0709a65 JB |
902 | rcu_read_lock(); |
903 | ||
c5dd9c2b | 904 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
905 | if (!sta) { |
906 | rcu_read_unlock(); | |
c5dd9c2b | 907 | return -ENOENT; |
d0709a65 | 908 | } |
c5dd9c2b | 909 | |
f698d856 | 910 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
911 | if (!mpath) { |
912 | rcu_read_unlock(); | |
c5dd9c2b LCC |
913 | return -ENOENT; |
914 | } | |
915 | ||
916 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 917 | |
c5dd9c2b LCC |
918 | rcu_read_unlock(); |
919 | return 0; | |
920 | } | |
921 | ||
922 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
923 | struct mpath_info *pinfo) | |
924 | { | |
925 | if (mpath->next_hop) | |
17741cdc | 926 | memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); |
c5dd9c2b LCC |
927 | else |
928 | memset(next_hop, 0, ETH_ALEN); | |
929 | ||
f5ea9120 JB |
930 | pinfo->generation = mesh_paths_generation; |
931 | ||
c5dd9c2b | 932 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 933 | MPATH_INFO_SN | |
c5dd9c2b LCC |
934 | MPATH_INFO_METRIC | |
935 | MPATH_INFO_EXPTIME | | |
936 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
937 | MPATH_INFO_DISCOVERY_RETRIES | | |
938 | MPATH_INFO_FLAGS; | |
939 | ||
940 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 941 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
942 | pinfo->metric = mpath->metric; |
943 | if (time_before(jiffies, mpath->exp_time)) | |
944 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
945 | pinfo->discovery_timeout = | |
946 | jiffies_to_msecs(mpath->discovery_timeout); | |
947 | pinfo->discovery_retries = mpath->discovery_retries; | |
948 | pinfo->flags = 0; | |
949 | if (mpath->flags & MESH_PATH_ACTIVE) | |
950 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
951 | if (mpath->flags & MESH_PATH_RESOLVING) | |
952 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
953 | if (mpath->flags & MESH_PATH_SN_VALID) |
954 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
955 | if (mpath->flags & MESH_PATH_FIXED) |
956 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
957 | if (mpath->flags & MESH_PATH_RESOLVING) | |
958 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
959 | ||
960 | pinfo->flags = mpath->flags; | |
961 | } | |
962 | ||
963 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
964 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
965 | ||
966 | { | |
14db74bc | 967 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
968 | struct mesh_path *mpath; |
969 | ||
14db74bc JB |
970 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
971 | ||
c5dd9c2b | 972 | rcu_read_lock(); |
f698d856 | 973 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
974 | if (!mpath) { |
975 | rcu_read_unlock(); | |
976 | return -ENOENT; | |
977 | } | |
978 | memcpy(dst, mpath->dst, ETH_ALEN); | |
979 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
980 | rcu_read_unlock(); | |
981 | return 0; | |
982 | } | |
983 | ||
984 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
985 | int idx, u8 *dst, u8 *next_hop, | |
986 | struct mpath_info *pinfo) | |
987 | { | |
14db74bc | 988 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
989 | struct mesh_path *mpath; |
990 | ||
14db74bc JB |
991 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
992 | ||
c5dd9c2b | 993 | rcu_read_lock(); |
f698d856 | 994 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
995 | if (!mpath) { |
996 | rcu_read_unlock(); | |
997 | return -ENOENT; | |
998 | } | |
999 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1000 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1001 | rcu_read_unlock(); | |
1002 | return 0; | |
1003 | } | |
93da9cc1 | 1004 | |
1005 | static int ieee80211_get_mesh_params(struct wiphy *wiphy, | |
1006 | struct net_device *dev, | |
1007 | struct mesh_config *conf) | |
1008 | { | |
1009 | struct ieee80211_sub_if_data *sdata; | |
1010 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1011 | ||
93da9cc1 | 1012 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1013 | return 0; | |
1014 | } | |
1015 | ||
1016 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1017 | { | |
1018 | return (mask >> (parm-1)) & 0x1; | |
1019 | } | |
1020 | ||
1021 | static int ieee80211_set_mesh_params(struct wiphy *wiphy, | |
1022 | struct net_device *dev, | |
1023 | const struct mesh_config *nconf, u32 mask) | |
1024 | { | |
1025 | struct mesh_config *conf; | |
1026 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1027 | struct ieee80211_if_mesh *ifmsh; |
1028 | ||
93da9cc1 | 1029 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1030 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1031 | |
93da9cc1 | 1032 | /* Set the config options which we are interested in setting */ |
1033 | conf = &(sdata->u.mesh.mshcfg); | |
1034 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1035 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1036 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1037 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1038 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1039 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1040 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1041 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1042 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1043 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1044 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1045 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
1046 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) | |
1047 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1048 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1049 | conf->dot11MeshHWMPmaxPREQretries = | |
1050 | nconf->dot11MeshHWMPmaxPREQretries; | |
1051 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1052 | conf->path_refresh_time = nconf->path_refresh_time; | |
1053 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1054 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1055 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1056 | conf->dot11MeshHWMPactivePathTimeout = | |
1057 | nconf->dot11MeshHWMPactivePathTimeout; | |
1058 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1059 | conf->dot11MeshHWMPpreqMinInterval = | |
1060 | nconf->dot11MeshHWMPpreqMinInterval; | |
1061 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1062 | mask)) | |
1063 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1064 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1065 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1066 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1067 | ieee80211_mesh_root_setup(ifmsh); | |
1068 | } | |
93da9cc1 | 1069 | return 0; |
1070 | } | |
1071 | ||
c5dd9c2b LCC |
1072 | #endif |
1073 | ||
9f1ba906 JM |
1074 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1075 | struct net_device *dev, | |
1076 | struct bss_parameters *params) | |
1077 | { | |
9f1ba906 JM |
1078 | struct ieee80211_sub_if_data *sdata; |
1079 | u32 changed = 0; | |
1080 | ||
9f1ba906 JM |
1081 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1082 | ||
9f1ba906 | 1083 | if (params->use_cts_prot >= 0) { |
bda3933a | 1084 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1085 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1086 | } | |
1087 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1088 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1089 | params->use_short_preamble; |
1090 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1091 | } | |
1092 | if (params->use_short_slot_time >= 0) { | |
bda3933a | 1093 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1094 | params->use_short_slot_time; |
1095 | changed |= BSS_CHANGED_ERP_SLOT; | |
1096 | } | |
1097 | ||
90c97a04 JM |
1098 | if (params->basic_rates) { |
1099 | int i, j; | |
1100 | u32 rates = 0; | |
1101 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1102 | struct ieee80211_supported_band *sband = | |
1103 | wiphy->bands[local->oper_channel->band]; | |
1104 | ||
1105 | for (i = 0; i < params->basic_rates_len; i++) { | |
1106 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1107 | for (j = 0; j < sband->n_bitrates; j++) { | |
1108 | if (sband->bitrates[j].bitrate == rate) | |
1109 | rates |= BIT(j); | |
1110 | } | |
1111 | } | |
1112 | sdata->vif.bss_conf.basic_rates = rates; | |
1113 | changed |= BSS_CHANGED_BASIC_RATES; | |
1114 | } | |
1115 | ||
9f1ba906 JM |
1116 | ieee80211_bss_info_change_notify(sdata, changed); |
1117 | ||
1118 | return 0; | |
1119 | } | |
1120 | ||
31888487 JM |
1121 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1122 | struct ieee80211_txq_params *params) | |
1123 | { | |
1124 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1125 | struct ieee80211_tx_queue_params p; | |
1126 | ||
1127 | if (!local->ops->conf_tx) | |
1128 | return -EOPNOTSUPP; | |
1129 | ||
1130 | memset(&p, 0, sizeof(p)); | |
1131 | p.aifs = params->aifs; | |
1132 | p.cw_max = params->cwmax; | |
1133 | p.cw_min = params->cwmin; | |
1134 | p.txop = params->txop; | |
24487981 | 1135 | if (drv_conf_tx(local, params->queue, &p)) { |
31888487 | 1136 | printk(KERN_DEBUG "%s: failed to set TX queue " |
0bffe40f JB |
1137 | "parameters for queue %d\n", |
1138 | wiphy_name(local->hw.wiphy), params->queue); | |
31888487 JM |
1139 | return -EINVAL; |
1140 | } | |
1141 | ||
1142 | return 0; | |
1143 | } | |
1144 | ||
72bdcf34 JM |
1145 | static int ieee80211_set_channel(struct wiphy *wiphy, |
1146 | struct ieee80211_channel *chan, | |
094d05dc | 1147 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1148 | { |
1149 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1150 | ||
1151 | local->oper_channel = chan; | |
094d05dc | 1152 | local->oper_channel_type = channel_type; |
72bdcf34 JM |
1153 | |
1154 | return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1155 | } | |
1156 | ||
665af4fc BC |
1157 | #ifdef CONFIG_PM |
1158 | static int ieee80211_suspend(struct wiphy *wiphy) | |
1159 | { | |
1160 | return __ieee80211_suspend(wiphy_priv(wiphy)); | |
1161 | } | |
1162 | ||
1163 | static int ieee80211_resume(struct wiphy *wiphy) | |
1164 | { | |
1165 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1166 | } | |
1167 | #else | |
1168 | #define ieee80211_suspend NULL | |
1169 | #define ieee80211_resume NULL | |
1170 | #endif | |
1171 | ||
2a519311 JB |
1172 | static int ieee80211_scan(struct wiphy *wiphy, |
1173 | struct net_device *dev, | |
1174 | struct cfg80211_scan_request *req) | |
1175 | { | |
1176 | struct ieee80211_sub_if_data *sdata; | |
1177 | ||
2a519311 JB |
1178 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1179 | ||
1180 | if (sdata->vif.type != NL80211_IFTYPE_STATION && | |
1181 | sdata->vif.type != NL80211_IFTYPE_ADHOC && | |
357303e2 JM |
1182 | sdata->vif.type != NL80211_IFTYPE_MESH_POINT && |
1183 | (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon)) | |
2a519311 JB |
1184 | return -EOPNOTSUPP; |
1185 | ||
1186 | return ieee80211_request_scan(sdata, req); | |
1187 | } | |
1188 | ||
636a5d36 JM |
1189 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1190 | struct cfg80211_auth_request *req) | |
1191 | { | |
77fdaa12 | 1192 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1193 | } |
1194 | ||
1195 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1196 | struct cfg80211_assoc_request *req) | |
1197 | { | |
77fdaa12 | 1198 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1199 | } |
1200 | ||
1201 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1202 | struct cfg80211_deauth_request *req, |
1203 | void *cookie) | |
636a5d36 | 1204 | { |
667503dd JB |
1205 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1206 | req, cookie); | |
636a5d36 JM |
1207 | } |
1208 | ||
1209 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1210 | struct cfg80211_disassoc_request *req, |
1211 | void *cookie) | |
636a5d36 | 1212 | { |
667503dd JB |
1213 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1214 | req, cookie); | |
636a5d36 JM |
1215 | } |
1216 | ||
af8cdcd8 JB |
1217 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1218 | struct cfg80211_ibss_params *params) | |
1219 | { | |
1220 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1221 | ||
1222 | return ieee80211_ibss_join(sdata, params); | |
1223 | } | |
1224 | ||
1225 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1226 | { | |
1227 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1228 | ||
1229 | return ieee80211_ibss_leave(sdata); | |
1230 | } | |
1231 | ||
b9a5f8ca JM |
1232 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1233 | { | |
1234 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1235 | int err; |
b9a5f8ca JM |
1236 | |
1237 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
24487981 | 1238 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1239 | |
24487981 JB |
1240 | if (err) |
1241 | return err; | |
b9a5f8ca JM |
1242 | } |
1243 | ||
1244 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1245 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1246 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1247 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1248 | if (changed & | |
1249 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1250 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
7643a2c3 JB |
1255 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
1256 | enum tx_power_setting type, int dbm) | |
1257 | { | |
1258 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1259 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1260 | u32 changes = 0; | |
7643a2c3 JB |
1261 | |
1262 | switch (type) { | |
1263 | case TX_POWER_AUTOMATIC: | |
1264 | local->user_power_level = -1; | |
1265 | break; | |
1266 | case TX_POWER_LIMITED: | |
1267 | if (dbm < 0) | |
1268 | return -EINVAL; | |
1269 | local->user_power_level = dbm; | |
1270 | break; | |
1271 | case TX_POWER_FIXED: | |
1272 | if (dbm < 0) | |
1273 | return -EINVAL; | |
1274 | /* TODO: move to cfg80211 when it knows the channel */ | |
1275 | if (dbm > chan->max_power) | |
1276 | return -EINVAL; | |
1277 | local->user_power_level = dbm; | |
1278 | break; | |
7643a2c3 JB |
1279 | } |
1280 | ||
1281 | ieee80211_hw_config(local, changes); | |
1282 | ||
1283 | return 0; | |
1284 | } | |
1285 | ||
1286 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1287 | { | |
1288 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1289 | ||
1290 | *dbm = local->hw.conf.power_level; | |
1291 | ||
7643a2c3 JB |
1292 | return 0; |
1293 | } | |
1294 | ||
ab737a4f JB |
1295 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
1296 | u8 *addr) | |
1297 | { | |
1298 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1299 | ||
1300 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1301 | ||
1302 | return 0; | |
1303 | } | |
1304 | ||
1f87f7d3 JB |
1305 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1306 | { | |
1307 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1308 | ||
1309 | drv_rfkill_poll(local); | |
1310 | } | |
1311 | ||
aff89a9b | 1312 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1313 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1314 | { |
1315 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1316 | ||
1317 | if (!local->ops->testmode_cmd) | |
1318 | return -EOPNOTSUPP; | |
1319 | ||
1320 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1321 | } | |
1322 | #endif | |
1323 | ||
bc92afd9 JB |
1324 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1325 | bool enabled, int timeout) | |
1326 | { | |
1327 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1328 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1329 | struct ieee80211_conf *conf = &local->hw.conf; | |
1330 | ||
1331 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) | |
1332 | return -EOPNOTSUPP; | |
1333 | ||
1334 | if (enabled == sdata->u.mgd.powersave && | |
1335 | timeout == conf->dynamic_ps_timeout) | |
1336 | return 0; | |
1337 | ||
1338 | sdata->u.mgd.powersave = enabled; | |
1339 | conf->dynamic_ps_timeout = timeout; | |
1340 | ||
1341 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) | |
1342 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1343 | ||
1344 | ieee80211_recalc_ps(local, -1); | |
1345 | ||
1346 | return 0; | |
1347 | } | |
1348 | ||
9930380f JB |
1349 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1350 | struct net_device *dev, | |
1351 | const u8 *addr, | |
1352 | const struct cfg80211_bitrate_mask *mask) | |
1353 | { | |
1354 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1355 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1356 | int i, err = -EINVAL; | |
1357 | u32 target_rate; | |
1358 | struct ieee80211_supported_band *sband; | |
1359 | ||
1360 | sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; | |
1361 | ||
1362 | /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates | |
1363 | * target_rate = X, rate->fixed = 1 means only rate X | |
1364 | * target_rate = X, rate->fixed = 0 means all rates <= X */ | |
1365 | sdata->max_ratectrl_rateidx = -1; | |
1366 | sdata->force_unicast_rateidx = -1; | |
1367 | ||
1368 | if (mask->fixed) | |
1369 | target_rate = mask->fixed / 100; | |
1370 | else if (mask->maxrate) | |
1371 | target_rate = mask->maxrate / 100; | |
1372 | else | |
1373 | return 0; | |
1374 | ||
1375 | for (i=0; i< sband->n_bitrates; i++) { | |
1376 | struct ieee80211_rate *brate = &sband->bitrates[i]; | |
1377 | int this_rate = brate->bitrate; | |
1378 | ||
1379 | if (target_rate == this_rate) { | |
1380 | sdata->max_ratectrl_rateidx = i; | |
1381 | if (mask->fixed) | |
1382 | sdata->force_unicast_rateidx = i; | |
1383 | err = 0; | |
1384 | break; | |
1385 | } | |
1386 | } | |
1387 | ||
1388 | return err; | |
1389 | } | |
1390 | ||
f0706e82 JB |
1391 | struct cfg80211_ops mac80211_config_ops = { |
1392 | .add_virtual_intf = ieee80211_add_iface, | |
1393 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 1394 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
1395 | .add_key = ieee80211_add_key, |
1396 | .del_key = ieee80211_del_key, | |
62da92fb | 1397 | .get_key = ieee80211_get_key, |
e8cbb4cb | 1398 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 1399 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
1400 | .add_beacon = ieee80211_add_beacon, |
1401 | .set_beacon = ieee80211_set_beacon, | |
1402 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
1403 | .add_station = ieee80211_add_station, |
1404 | .del_station = ieee80211_del_station, | |
1405 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 1406 | .get_station = ieee80211_get_station, |
c5dd9c2b LCC |
1407 | .dump_station = ieee80211_dump_station, |
1408 | #ifdef CONFIG_MAC80211_MESH | |
1409 | .add_mpath = ieee80211_add_mpath, | |
1410 | .del_mpath = ieee80211_del_mpath, | |
1411 | .change_mpath = ieee80211_change_mpath, | |
1412 | .get_mpath = ieee80211_get_mpath, | |
1413 | .dump_mpath = ieee80211_dump_mpath, | |
93da9cc1 | 1414 | .set_mesh_params = ieee80211_set_mesh_params, |
1415 | .get_mesh_params = ieee80211_get_mesh_params, | |
c5dd9c2b | 1416 | #endif |
9f1ba906 | 1417 | .change_bss = ieee80211_change_bss, |
31888487 | 1418 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 1419 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
1420 | .suspend = ieee80211_suspend, |
1421 | .resume = ieee80211_resume, | |
2a519311 | 1422 | .scan = ieee80211_scan, |
636a5d36 JM |
1423 | .auth = ieee80211_auth, |
1424 | .assoc = ieee80211_assoc, | |
1425 | .deauth = ieee80211_deauth, | |
1426 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
1427 | .join_ibss = ieee80211_join_ibss, |
1428 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 1429 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
1430 | .set_tx_power = ieee80211_set_tx_power, |
1431 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 1432 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 1433 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 1434 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
bc92afd9 | 1435 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 1436 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
f0706e82 | 1437 | }; |