2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/slab.h>
11 #include <linux/list.h>
12 #include <linux/if_ether.h>
13 #include <linux/ieee80211.h>
14 #include <linux/nl80211.h>
15 #include <linux/rtnetlink.h>
16 #include <linux/netlink.h>
17 #include <linux/etherdevice.h>
18 #include <net/net_namespace.h>
19 #include <net/genetlink.h>
20 #include <net/cfg80211.h>
27 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
28 struct genl_info *info,
29 struct cfg80211_crypto_settings *settings,
32 static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
33 struct genl_info *info);
34 static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
35 struct genl_info *info);
37 /* the netlink family */
38 static struct genl_family nl80211_fam = {
39 .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
40 .name = "nl80211", /* have users key off the name instead */
41 .hdrsize = 0, /* no private header */
42 .version = 1, /* no particular meaning now */
43 .maxattr = NL80211_ATTR_MAX,
45 .pre_doit = nl80211_pre_doit,
46 .post_doit = nl80211_post_doit,
49 /* returns ERR_PTR values */
50 static struct wireless_dev *
51 __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
53 struct cfg80211_registered_device *rdev;
54 struct wireless_dev *result = NULL;
55 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
56 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
61 assert_cfg80211_lock();
63 if (!have_ifidx && !have_wdev_id)
64 return ERR_PTR(-EINVAL);
67 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
69 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
70 wiphy_idx = wdev_id >> 32;
73 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
74 struct wireless_dev *wdev;
76 if (wiphy_net(&rdev->wiphy) != netns)
79 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
82 mutex_lock(&rdev->devlist_mtx);
83 list_for_each_entry(wdev, &rdev->wdev_list, list) {
84 if (have_ifidx && wdev->netdev &&
85 wdev->netdev->ifindex == ifidx) {
89 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
94 mutex_unlock(&rdev->devlist_mtx);
102 return ERR_PTR(-ENODEV);
105 static struct cfg80211_registered_device *
106 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
108 struct cfg80211_registered_device *rdev = NULL, *tmp;
109 struct net_device *netdev;
111 assert_cfg80211_lock();
113 if (!attrs[NL80211_ATTR_WIPHY] &&
114 !attrs[NL80211_ATTR_IFINDEX] &&
115 !attrs[NL80211_ATTR_WDEV])
116 return ERR_PTR(-EINVAL);
118 if (attrs[NL80211_ATTR_WIPHY])
119 rdev = cfg80211_rdev_by_wiphy_idx(
120 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
122 if (attrs[NL80211_ATTR_WDEV]) {
123 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
124 struct wireless_dev *wdev;
127 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
129 /* make sure wdev exists */
130 mutex_lock(&tmp->devlist_mtx);
131 list_for_each_entry(wdev, &tmp->wdev_list, list) {
132 if (wdev->identifier != (u32)wdev_id)
137 mutex_unlock(&tmp->devlist_mtx);
142 if (rdev && tmp != rdev)
143 return ERR_PTR(-EINVAL);
148 if (attrs[NL80211_ATTR_IFINDEX]) {
149 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
150 netdev = dev_get_by_index(netns, ifindex);
152 if (netdev->ieee80211_ptr)
154 netdev->ieee80211_ptr->wiphy);
160 /* not wireless device -- return error */
162 return ERR_PTR(-EINVAL);
164 /* mismatch -- return error */
165 if (rdev && tmp != rdev)
166 return ERR_PTR(-EINVAL);
173 return ERR_PTR(-ENODEV);
175 if (netns != wiphy_net(&rdev->wiphy))
176 return ERR_PTR(-ENODEV);
182 * This function returns a pointer to the driver
183 * that the genl_info item that is passed refers to.
184 * If successful, it returns non-NULL and also locks
185 * the driver's mutex!
187 * This means that you need to call cfg80211_unlock_rdev()
188 * before being allowed to acquire &cfg80211_mutex!
190 * This is necessary because we need to lock the global
191 * mutex to get an item off the list safely, and then
192 * we lock the rdev mutex so it doesn't go away under us.
194 * We don't want to keep cfg80211_mutex locked
195 * for all the time in order to allow requests on
196 * other interfaces to go through at the same time.
198 * The result of this can be a PTR_ERR and hence must
199 * be checked with IS_ERR() for errors.
201 static struct cfg80211_registered_device *
202 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
204 struct cfg80211_registered_device *rdev;
206 mutex_lock(&cfg80211_mutex);
207 rdev = __cfg80211_rdev_from_attrs(netns, info->attrs);
209 /* if it is not an error we grab the lock on
210 * it to assure it won't be going away while
211 * we operate on it */
213 mutex_lock(&rdev->mtx);
215 mutex_unlock(&cfg80211_mutex);
220 /* policy for the attributes */
221 static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
222 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
223 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
225 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
227 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
228 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
229 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
230 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
231 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
233 [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
234 [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
235 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
236 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
237 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
239 [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
240 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
241 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
243 [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
244 [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
246 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
247 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
248 .len = WLAN_MAX_KEY_LEN },
249 [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
250 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
251 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
252 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
253 [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
255 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
256 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
257 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
258 .len = IEEE80211_MAX_DATA_LEN },
259 [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
260 .len = IEEE80211_MAX_DATA_LEN },
261 [NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
262 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
263 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
264 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
265 .len = NL80211_MAX_SUPP_RATES },
266 [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
267 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
268 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
269 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
270 .len = IEEE80211_MAX_MESH_ID_LEN },
271 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
273 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
274 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
276 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
277 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
278 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
279 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
280 .len = NL80211_MAX_SUPP_RATES },
281 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
283 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
284 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
286 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
288 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
289 [NL80211_ATTR_IE] = { .type = NLA_BINARY,
290 .len = IEEE80211_MAX_DATA_LEN },
291 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
292 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
294 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
295 .len = IEEE80211_MAX_SSID_LEN },
296 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
297 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
298 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
299 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
300 [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 },
301 [NL80211_ATTR_STA_FLAGS2] = {
302 .len = sizeof(struct nl80211_sta_flag_update),
304 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
305 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
306 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
307 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
308 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
309 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
310 [NL80211_ATTR_PID] = { .type = NLA_U32 },
311 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
312 [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
313 .len = WLAN_PMKID_LEN },
314 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
315 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
316 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
317 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
318 .len = IEEE80211_MAX_DATA_LEN },
319 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
320 [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
321 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
322 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
323 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
324 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
325 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
326 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
327 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
328 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
329 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
330 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
331 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
332 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
333 [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
334 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
335 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
336 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
337 [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
338 [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
339 .len = IEEE80211_MAX_DATA_LEN },
340 [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
341 .len = IEEE80211_MAX_DATA_LEN },
342 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
343 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
344 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
345 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
346 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
347 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
348 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
349 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
350 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
351 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
352 .len = IEEE80211_MAX_DATA_LEN },
353 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
354 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
355 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
356 .len = NL80211_HT_CAPABILITY_LEN
358 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
359 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
360 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
361 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
362 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
363 [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, },
364 [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
365 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
368 /* policy for the key attributes */
369 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
370 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
371 [NL80211_KEY_IDX] = { .type = NLA_U8 },
372 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
373 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
374 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
375 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
376 [NL80211_KEY_TYPE] = { .type = NLA_U32 },
377 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
380 /* policy for the key default flags */
381 static const struct nla_policy
382 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
383 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
384 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
387 /* policy for WoWLAN attributes */
388 static const struct nla_policy
389 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
390 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
391 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
392 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
393 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
394 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
395 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
396 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
397 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
400 /* policy for GTK rekey offload attributes */
401 static const struct nla_policy
402 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
403 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
404 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
405 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
408 static const struct nla_policy
409 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
410 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
411 .len = IEEE80211_MAX_SSID_LEN },
412 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
415 /* ifidx get helper */
416 static int nl80211_get_ifidx(struct netlink_callback *cb)
420 res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
421 nl80211_fam.attrbuf, nl80211_fam.maxattr,
426 if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
429 res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
435 static int nl80211_prepare_netdev_dump(struct sk_buff *skb,
436 struct netlink_callback *cb,
437 struct cfg80211_registered_device **rdev,
438 struct net_device **dev)
440 int ifidx = cb->args[0];
444 ifidx = nl80211_get_ifidx(cb);
452 *dev = __dev_get_by_index(sock_net(skb->sk), ifidx);
458 *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
460 err = PTR_ERR(*rdev);
470 static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev)
472 cfg80211_unlock_rdev(rdev);
477 static bool is_valid_ie_attr(const struct nlattr *attr)
485 pos = nla_data(attr);
506 /* message building helper */
507 static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
510 /* since there is no private header just add the generic one */
511 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
514 static int nl80211_msg_put_channel(struct sk_buff *msg,
515 struct ieee80211_channel *chan)
517 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
519 goto nla_put_failure;
521 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
522 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
523 goto nla_put_failure;
524 if ((chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) &&
525 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN))
526 goto nla_put_failure;
527 if ((chan->flags & IEEE80211_CHAN_NO_IBSS) &&
528 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS))
529 goto nla_put_failure;
530 if ((chan->flags & IEEE80211_CHAN_RADAR) &&
531 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
532 goto nla_put_failure;
534 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
535 DBM_TO_MBM(chan->max_power)))
536 goto nla_put_failure;
544 /* netlink command implementations */
551 bool def_uni, def_multi;
554 static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
556 struct nlattr *tb[NL80211_KEY_MAX + 1];
557 int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
562 k->def = !!tb[NL80211_KEY_DEFAULT];
563 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
572 if (tb[NL80211_KEY_IDX])
573 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
575 if (tb[NL80211_KEY_DATA]) {
576 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
577 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
580 if (tb[NL80211_KEY_SEQ]) {
581 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
582 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
585 if (tb[NL80211_KEY_CIPHER])
586 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
588 if (tb[NL80211_KEY_TYPE]) {
589 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
590 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
594 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
595 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
596 err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
597 tb[NL80211_KEY_DEFAULT_TYPES],
598 nl80211_key_default_policy);
602 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
603 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
609 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
611 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
612 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
613 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
616 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
617 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
618 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
621 if (info->attrs[NL80211_ATTR_KEY_IDX])
622 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
624 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
625 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
627 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
628 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
637 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
638 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
639 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
643 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
644 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
645 int err = nla_parse_nested(
646 kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
647 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
648 nl80211_key_default_policy);
652 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
653 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
659 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
663 memset(k, 0, sizeof(*k));
667 if (info->attrs[NL80211_ATTR_KEY])
668 err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
670 err = nl80211_parse_key_old(info, k);
675 if (k->def && k->defmgmt)
679 if (k->def_uni || !k->def_multi)
685 if (k->idx < 4 || k->idx > 5)
688 if (k->idx < 0 || k->idx > 3)
691 if (k->idx < 0 || k->idx > 5)
699 static struct cfg80211_cached_keys *
700 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
701 struct nlattr *keys, bool *no_ht)
703 struct key_parse parse;
705 struct cfg80211_cached_keys *result;
706 int rem, err, def = 0;
708 result = kzalloc(sizeof(*result), GFP_KERNEL);
710 return ERR_PTR(-ENOMEM);
713 result->defmgmt = -1;
715 nla_for_each_nested(key, keys, rem) {
716 memset(&parse, 0, sizeof(parse));
719 err = nl80211_parse_key_new(key, &parse);
725 if (parse.idx < 0 || parse.idx > 4)
731 result->def = parse.idx;
732 if (!parse.def_uni || !parse.def_multi)
734 } else if (parse.defmgmt)
736 err = cfg80211_validate_key_settings(rdev, &parse.p,
737 parse.idx, false, NULL);
740 result->params[parse.idx].cipher = parse.p.cipher;
741 result->params[parse.idx].key_len = parse.p.key_len;
742 result->params[parse.idx].key = result->data[parse.idx];
743 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
745 if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 ||
746 parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) {
758 static int nl80211_key_allowed(struct wireless_dev *wdev)
760 ASSERT_WDEV_LOCK(wdev);
762 switch (wdev->iftype) {
763 case NL80211_IFTYPE_AP:
764 case NL80211_IFTYPE_AP_VLAN:
765 case NL80211_IFTYPE_P2P_GO:
766 case NL80211_IFTYPE_MESH_POINT:
768 case NL80211_IFTYPE_ADHOC:
769 if (!wdev->current_bss)
772 case NL80211_IFTYPE_STATION:
773 case NL80211_IFTYPE_P2P_CLIENT:
774 if (wdev->sme_state != CFG80211_SME_CONNECTED)
784 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
786 struct nlattr *nl_modes = nla_nest_start(msg, attr);
790 goto nla_put_failure;
794 if ((ifmodes & 1) && nla_put_flag(msg, i))
795 goto nla_put_failure;
800 nla_nest_end(msg, nl_modes);
807 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
810 struct nlattr *nl_combis;
813 nl_combis = nla_nest_start(msg,
814 NL80211_ATTR_INTERFACE_COMBINATIONS);
816 goto nla_put_failure;
818 for (i = 0; i < wiphy->n_iface_combinations; i++) {
819 const struct ieee80211_iface_combination *c;
820 struct nlattr *nl_combi, *nl_limits;
822 c = &wiphy->iface_combinations[i];
824 nl_combi = nla_nest_start(msg, i + 1);
826 goto nla_put_failure;
828 nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
830 goto nla_put_failure;
832 for (j = 0; j < c->n_limits; j++) {
833 struct nlattr *nl_limit;
835 nl_limit = nla_nest_start(msg, j + 1);
837 goto nla_put_failure;
838 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
840 goto nla_put_failure;
841 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
843 goto nla_put_failure;
844 nla_nest_end(msg, nl_limit);
847 nla_nest_end(msg, nl_limits);
849 if (c->beacon_int_infra_match &&
850 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
851 goto nla_put_failure;
852 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
853 c->num_different_channels) ||
854 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
856 goto nla_put_failure;
858 nla_nest_end(msg, nl_combi);
861 nla_nest_end(msg, nl_combis);
868 static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flags,
869 struct cfg80211_registered_device *dev)
872 struct nlattr *nl_bands, *nl_band;
873 struct nlattr *nl_freqs, *nl_freq;
874 struct nlattr *nl_rates, *nl_rate;
875 struct nlattr *nl_cmds;
876 enum ieee80211_band band;
877 struct ieee80211_channel *chan;
878 struct ieee80211_rate *rate;
880 const struct ieee80211_txrx_stypes *mgmt_stypes =
881 dev->wiphy.mgmt_stypes;
883 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY);
887 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) ||
888 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)) ||
889 nla_put_u32(msg, NL80211_ATTR_GENERATION,
890 cfg80211_rdev_list_generation) ||
891 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
892 dev->wiphy.retry_short) ||
893 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
894 dev->wiphy.retry_long) ||
895 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
896 dev->wiphy.frag_threshold) ||
897 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
898 dev->wiphy.rts_threshold) ||
899 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
900 dev->wiphy.coverage_class) ||
901 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
902 dev->wiphy.max_scan_ssids) ||
903 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
904 dev->wiphy.max_sched_scan_ssids) ||
905 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
906 dev->wiphy.max_scan_ie_len) ||
907 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
908 dev->wiphy.max_sched_scan_ie_len) ||
909 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
910 dev->wiphy.max_match_sets))
911 goto nla_put_failure;
913 if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
914 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
915 goto nla_put_failure;
916 if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
917 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
918 goto nla_put_failure;
919 if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
920 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
921 goto nla_put_failure;
922 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
923 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
924 goto nla_put_failure;
925 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
926 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
927 goto nla_put_failure;
928 if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
929 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
930 goto nla_put_failure;
932 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
933 sizeof(u32) * dev->wiphy.n_cipher_suites,
934 dev->wiphy.cipher_suites))
935 goto nla_put_failure;
937 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
938 dev->wiphy.max_num_pmkids))
939 goto nla_put_failure;
941 if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
942 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
943 goto nla_put_failure;
945 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
946 dev->wiphy.available_antennas_tx) ||
947 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
948 dev->wiphy.available_antennas_rx))
949 goto nla_put_failure;
951 if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
952 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
953 dev->wiphy.probe_resp_offload))
954 goto nla_put_failure;
956 if ((dev->wiphy.available_antennas_tx ||
957 dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) {
958 u32 tx_ant = 0, rx_ant = 0;
960 res = rdev_get_antenna(dev, &tx_ant, &rx_ant);
962 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX,
964 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX,
966 goto nla_put_failure;
970 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
971 dev->wiphy.interface_modes))
972 goto nla_put_failure;
974 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
976 goto nla_put_failure;
978 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
979 if (!dev->wiphy.bands[band])
982 nl_band = nla_nest_start(msg, band);
984 goto nla_put_failure;
987 if (dev->wiphy.bands[band]->ht_cap.ht_supported &&
988 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
989 sizeof(dev->wiphy.bands[band]->ht_cap.mcs),
990 &dev->wiphy.bands[band]->ht_cap.mcs) ||
991 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
992 dev->wiphy.bands[band]->ht_cap.cap) ||
993 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
994 dev->wiphy.bands[band]->ht_cap.ampdu_factor) ||
995 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
996 dev->wiphy.bands[band]->ht_cap.ampdu_density)))
997 goto nla_put_failure;
1000 if (dev->wiphy.bands[band]->vht_cap.vht_supported &&
1001 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1002 sizeof(dev->wiphy.bands[band]->vht_cap.vht_mcs),
1003 &dev->wiphy.bands[band]->vht_cap.vht_mcs) ||
1004 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1005 dev->wiphy.bands[band]->vht_cap.cap)))
1006 goto nla_put_failure;
1008 /* add frequencies */
1009 nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
1011 goto nla_put_failure;
1013 for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) {
1014 nl_freq = nla_nest_start(msg, i);
1016 goto nla_put_failure;
1018 chan = &dev->wiphy.bands[band]->channels[i];
1020 if (nl80211_msg_put_channel(msg, chan))
1021 goto nla_put_failure;
1023 nla_nest_end(msg, nl_freq);
1026 nla_nest_end(msg, nl_freqs);
1029 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
1031 goto nla_put_failure;
1033 for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) {
1034 nl_rate = nla_nest_start(msg, i);
1036 goto nla_put_failure;
1038 rate = &dev->wiphy.bands[band]->bitrates[i];
1039 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1041 goto nla_put_failure;
1042 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1044 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1045 goto nla_put_failure;
1047 nla_nest_end(msg, nl_rate);
1050 nla_nest_end(msg, nl_rates);
1052 nla_nest_end(msg, nl_band);
1054 nla_nest_end(msg, nl_bands);
1056 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
1058 goto nla_put_failure;
1061 #define CMD(op, n) \
1063 if (dev->ops->op) { \
1065 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1066 goto nla_put_failure; \
1070 CMD(add_virtual_intf, NEW_INTERFACE);
1071 CMD(change_virtual_intf, SET_INTERFACE);
1072 CMD(add_key, NEW_KEY);
1073 CMD(start_ap, START_AP);
1074 CMD(add_station, NEW_STATION);
1075 CMD(add_mpath, NEW_MPATH);
1076 CMD(update_mesh_config, SET_MESH_CONFIG);
1077 CMD(change_bss, SET_BSS);
1078 CMD(auth, AUTHENTICATE);
1079 CMD(assoc, ASSOCIATE);
1080 CMD(deauth, DEAUTHENTICATE);
1081 CMD(disassoc, DISASSOCIATE);
1082 CMD(join_ibss, JOIN_IBSS);
1083 CMD(join_mesh, JOIN_MESH);
1084 CMD(set_pmksa, SET_PMKSA);
1085 CMD(del_pmksa, DEL_PMKSA);
1086 CMD(flush_pmksa, FLUSH_PMKSA);
1087 if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1088 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1089 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1090 CMD(mgmt_tx, FRAME);
1091 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1092 if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1094 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1095 goto nla_put_failure;
1097 if (dev->ops->set_monitor_channel || dev->ops->start_ap ||
1098 dev->ops->join_mesh) {
1100 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1101 goto nla_put_failure;
1103 CMD(set_wds_peer, SET_WDS_PEER);
1104 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1105 CMD(tdls_mgmt, TDLS_MGMT);
1106 CMD(tdls_oper, TDLS_OPER);
1108 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
1109 CMD(sched_scan_start, START_SCHED_SCAN);
1110 CMD(probe_client, PROBE_CLIENT);
1111 CMD(set_noack_map, SET_NOACK_MAP);
1112 if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1114 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1115 goto nla_put_failure;
1117 CMD(start_p2p_device, START_P2P_DEVICE);
1118 CMD(set_mcast_rate, SET_MCAST_RATE);
1120 #ifdef CONFIG_NL80211_TESTMODE
1121 CMD(testmode_cmd, TESTMODE);
1126 if (dev->ops->connect || dev->ops->auth) {
1128 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1129 goto nla_put_failure;
1132 if (dev->ops->disconnect || dev->ops->deauth) {
1134 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1135 goto nla_put_failure;
1138 nla_nest_end(msg, nl_cmds);
1140 if (dev->ops->remain_on_channel &&
1141 (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
1142 nla_put_u32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1143 dev->wiphy.max_remain_on_channel_duration))
1144 goto nla_put_failure;
1146 if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
1147 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
1148 goto nla_put_failure;
1152 struct nlattr *nl_ftypes, *nl_ifs;
1153 enum nl80211_iftype ift;
1155 nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
1157 goto nla_put_failure;
1159 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1160 nl_ftypes = nla_nest_start(msg, ift);
1162 goto nla_put_failure;
1164 stypes = mgmt_stypes[ift].tx;
1167 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1168 (i << 4) | IEEE80211_FTYPE_MGMT))
1169 goto nla_put_failure;
1173 nla_nest_end(msg, nl_ftypes);
1176 nla_nest_end(msg, nl_ifs);
1178 nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
1180 goto nla_put_failure;
1182 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1183 nl_ftypes = nla_nest_start(msg, ift);
1185 goto nla_put_failure;
1187 stypes = mgmt_stypes[ift].rx;
1190 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1191 (i << 4) | IEEE80211_FTYPE_MGMT))
1192 goto nla_put_failure;
1196 nla_nest_end(msg, nl_ftypes);
1198 nla_nest_end(msg, nl_ifs);
1202 if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) {
1203 struct nlattr *nl_wowlan;
1205 nl_wowlan = nla_nest_start(msg,
1206 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1208 goto nla_put_failure;
1210 if (((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) &&
1211 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1212 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) &&
1213 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1214 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1215 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1216 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1217 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1218 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1219 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1220 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1221 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1222 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1223 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1224 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1225 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1226 goto nla_put_failure;
1227 if (dev->wiphy.wowlan.n_patterns) {
1228 struct nl80211_wowlan_pattern_support pat = {
1229 .max_patterns = dev->wiphy.wowlan.n_patterns,
1231 dev->wiphy.wowlan.pattern_min_len,
1233 dev->wiphy.wowlan.pattern_max_len,
1235 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1237 goto nla_put_failure;
1240 nla_nest_end(msg, nl_wowlan);
1244 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1245 dev->wiphy.software_iftypes))
1246 goto nla_put_failure;
1248 if (nl80211_put_iface_combinations(&dev->wiphy, msg))
1249 goto nla_put_failure;
1251 if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
1252 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1253 dev->wiphy.ap_sme_capa))
1254 goto nla_put_failure;
1256 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS,
1257 dev->wiphy.features))
1258 goto nla_put_failure;
1260 if (dev->wiphy.ht_capa_mod_mask &&
1261 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1262 sizeof(*dev->wiphy.ht_capa_mod_mask),
1263 dev->wiphy.ht_capa_mod_mask))
1264 goto nla_put_failure;
1266 return genlmsg_end(msg, hdr);
1269 genlmsg_cancel(msg, hdr);
1273 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1276 int start = cb->args[0];
1277 struct cfg80211_registered_device *dev;
1279 mutex_lock(&cfg80211_mutex);
1280 list_for_each_entry(dev, &cfg80211_rdev_list, list) {
1281 if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
1285 if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).portid,
1286 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1292 mutex_unlock(&cfg80211_mutex);
1299 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
1301 struct sk_buff *msg;
1302 struct cfg80211_registered_device *dev = info->user_ptr[0];
1304 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1308 if (nl80211_send_wiphy(msg, info->snd_portid, info->snd_seq, 0, dev) < 0) {
1313 return genlmsg_reply(msg, info);
1316 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
1317 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
1318 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
1319 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
1320 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
1321 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
1324 static int parse_txq_params(struct nlattr *tb[],
1325 struct ieee80211_txq_params *txq_params)
1327 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
1328 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
1329 !tb[NL80211_TXQ_ATTR_AIFS])
1332 txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
1333 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
1334 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
1335 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
1336 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
1338 if (txq_params->ac >= NL80211_NUM_ACS)
1344 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
1347 * You can only set the channel explicitly for WDS interfaces,
1348 * all others have their channel managed via their respective
1349 * "establish a connection" command (connect, join, ...)
1351 * For AP/GO and mesh mode, the channel can be set with the
1352 * channel userspace API, but is only stored and passed to the
1353 * low-level driver when the AP starts or the mesh is joined.
1354 * This is for backward compatibility, userspace can also give
1355 * the channel in the start-ap or join-mesh commands instead.
1357 * Monitors are special as they are normally slaved to
1358 * whatever else is going on, so they have their own special
1359 * operation to set the monitor channel if possible.
1362 wdev->iftype == NL80211_IFTYPE_AP ||
1363 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
1364 wdev->iftype == NL80211_IFTYPE_MONITOR ||
1365 wdev->iftype == NL80211_IFTYPE_P2P_GO;
1368 static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
1369 struct genl_info *info,
1370 struct cfg80211_chan_def *chandef)
1372 struct ieee80211_sta_ht_cap *ht_cap;
1373 struct ieee80211_sta_vht_cap *vht_cap;
1374 u32 control_freq, width;
1376 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
1379 control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
1381 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
1382 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
1383 chandef->center_freq1 = control_freq;
1384 chandef->center_freq2 = 0;
1386 /* Primary channel not allowed */
1387 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED)
1390 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1391 enum nl80211_channel_type chantype;
1393 chantype = nla_get_u32(
1394 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1397 case NL80211_CHAN_NO_HT:
1398 case NL80211_CHAN_HT20:
1399 case NL80211_CHAN_HT40PLUS:
1400 case NL80211_CHAN_HT40MINUS:
1401 cfg80211_chandef_create(chandef, chandef->chan,
1407 } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
1409 nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]);
1410 if (info->attrs[NL80211_ATTR_CENTER_FREQ1])
1411 chandef->center_freq1 =
1413 info->attrs[NL80211_ATTR_CENTER_FREQ1]);
1414 if (info->attrs[NL80211_ATTR_CENTER_FREQ2])
1415 chandef->center_freq2 =
1417 info->attrs[NL80211_ATTR_CENTER_FREQ2]);
1420 ht_cap = &rdev->wiphy.bands[chandef->chan->band]->ht_cap;
1421 vht_cap = &rdev->wiphy.bands[chandef->chan->band]->vht_cap;
1423 if (!cfg80211_chan_def_valid(chandef))
1426 switch (chandef->width) {
1427 case NL80211_CHAN_WIDTH_20:
1428 if (!ht_cap->ht_supported)
1430 case NL80211_CHAN_WIDTH_20_NOHT:
1433 case NL80211_CHAN_WIDTH_40:
1435 /* quick early regulatory check */
1436 if (chandef->center_freq1 < control_freq &&
1437 chandef->chan->flags & IEEE80211_CHAN_NO_HT40MINUS)
1439 if (chandef->center_freq1 > control_freq &&
1440 chandef->chan->flags & IEEE80211_CHAN_NO_HT40PLUS)
1442 if (!ht_cap->ht_supported)
1444 if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ||
1445 ht_cap->cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT)
1448 case NL80211_CHAN_WIDTH_80:
1450 if (!vht_cap->vht_supported)
1453 case NL80211_CHAN_WIDTH_80P80:
1455 if (!vht_cap->vht_supported)
1457 if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))
1460 case NL80211_CHAN_WIDTH_160:
1462 if (!vht_cap->vht_supported)
1464 if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ))
1471 if (!cfg80211_secondary_chans_ok(&rdev->wiphy, chandef->center_freq1,
1472 width, IEEE80211_CHAN_DISABLED))
1474 if (chandef->center_freq2 &&
1475 !cfg80211_secondary_chans_ok(&rdev->wiphy, chandef->center_freq2,
1476 width, IEEE80211_CHAN_DISABLED))
1479 /* TODO: missing regulatory check on bandwidth */
1484 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
1485 struct wireless_dev *wdev,
1486 struct genl_info *info)
1488 struct cfg80211_chan_def chandef;
1490 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
1493 iftype = wdev->iftype;
1495 if (!nl80211_can_set_dev_channel(wdev))
1498 result = nl80211_parse_chandef(rdev, info, &chandef);
1502 mutex_lock(&rdev->devlist_mtx);
1504 case NL80211_IFTYPE_AP:
1505 case NL80211_IFTYPE_P2P_GO:
1506 if (wdev->beacon_interval) {
1510 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) {
1514 wdev->preset_chandef = chandef;
1517 case NL80211_IFTYPE_MESH_POINT:
1518 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
1520 case NL80211_IFTYPE_MONITOR:
1521 result = cfg80211_set_monitor_channel(rdev, &chandef);
1526 mutex_unlock(&rdev->devlist_mtx);
1531 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
1533 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1534 struct net_device *netdev = info->user_ptr[1];
1536 return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
1539 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
1541 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1542 struct net_device *dev = info->user_ptr[1];
1543 struct wireless_dev *wdev = dev->ieee80211_ptr;
1546 if (!info->attrs[NL80211_ATTR_MAC])
1549 if (netif_running(dev))
1552 if (!rdev->ops->set_wds_peer)
1555 if (wdev->iftype != NL80211_IFTYPE_WDS)
1558 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1559 return rdev_set_wds_peer(rdev, dev, bssid);
1563 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
1565 struct cfg80211_registered_device *rdev;
1566 struct net_device *netdev = NULL;
1567 struct wireless_dev *wdev;
1568 int result = 0, rem_txq_params = 0;
1569 struct nlattr *nl_txq_params;
1571 u8 retry_short = 0, retry_long = 0;
1572 u32 frag_threshold = 0, rts_threshold = 0;
1573 u8 coverage_class = 0;
1576 * Try to find the wiphy and netdev. Normally this
1577 * function shouldn't need the netdev, but this is
1578 * done for backward compatibility -- previously
1579 * setting the channel was done per wiphy, but now
1580 * it is per netdev. Previous userland like hostapd
1581 * also passed a netdev to set_wiphy, so that it is
1582 * possible to let that go to the right netdev!
1584 mutex_lock(&cfg80211_mutex);
1586 if (info->attrs[NL80211_ATTR_IFINDEX]) {
1587 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
1589 netdev = dev_get_by_index(genl_info_net(info), ifindex);
1590 if (netdev && netdev->ieee80211_ptr) {
1591 rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
1592 mutex_lock(&rdev->mtx);
1598 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
1601 mutex_unlock(&cfg80211_mutex);
1602 return PTR_ERR(rdev);
1608 mutex_lock(&rdev->mtx);
1610 wdev = netdev->ieee80211_ptr;
1613 * end workaround code, by now the rdev is available
1614 * and locked, and wdev may or may not be NULL.
1617 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
1618 result = cfg80211_dev_rename(
1619 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
1621 mutex_unlock(&cfg80211_mutex);
1626 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
1627 struct ieee80211_txq_params txq_params;
1628 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
1630 if (!rdev->ops->set_txq_params) {
1631 result = -EOPNOTSUPP;
1640 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
1641 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
1646 if (!netif_running(netdev)) {
1651 nla_for_each_nested(nl_txq_params,
1652 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
1654 nla_parse(tb, NL80211_TXQ_ATTR_MAX,
1655 nla_data(nl_txq_params),
1656 nla_len(nl_txq_params),
1658 result = parse_txq_params(tb, &txq_params);
1662 result = rdev_set_txq_params(rdev, netdev,
1669 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
1670 result = __nl80211_set_channel(rdev,
1671 nl80211_can_set_dev_channel(wdev) ? wdev : NULL,
1677 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
1678 struct wireless_dev *txp_wdev = wdev;
1679 enum nl80211_tx_power_setting type;
1682 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
1685 if (!rdev->ops->set_tx_power) {
1686 result = -EOPNOTSUPP;
1690 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
1691 type = nla_get_u32(info->attrs[idx]);
1693 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
1694 (type != NL80211_TX_POWER_AUTOMATIC)) {
1699 if (type != NL80211_TX_POWER_AUTOMATIC) {
1700 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
1701 mbm = nla_get_u32(info->attrs[idx]);
1704 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
1709 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
1710 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
1712 if ((!rdev->wiphy.available_antennas_tx &&
1713 !rdev->wiphy.available_antennas_rx) ||
1714 !rdev->ops->set_antenna) {
1715 result = -EOPNOTSUPP;
1719 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
1720 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
1722 /* reject antenna configurations which don't match the
1723 * available antenna masks, except for the "all" mask */
1724 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
1725 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
1730 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
1731 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
1733 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
1740 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
1741 retry_short = nla_get_u8(
1742 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
1743 if (retry_short == 0) {
1747 changed |= WIPHY_PARAM_RETRY_SHORT;
1750 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
1751 retry_long = nla_get_u8(
1752 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
1753 if (retry_long == 0) {
1757 changed |= WIPHY_PARAM_RETRY_LONG;
1760 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
1761 frag_threshold = nla_get_u32(
1762 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
1763 if (frag_threshold < 256) {
1767 if (frag_threshold != (u32) -1) {
1769 * Fragments (apart from the last one) are required to
1770 * have even length. Make the fragmentation code
1771 * simpler by stripping LSB should someone try to use
1772 * odd threshold value.
1774 frag_threshold &= ~0x1;
1776 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
1779 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
1780 rts_threshold = nla_get_u32(
1781 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
1782 changed |= WIPHY_PARAM_RTS_THRESHOLD;
1785 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
1786 coverage_class = nla_get_u8(
1787 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
1788 changed |= WIPHY_PARAM_COVERAGE_CLASS;
1792 u8 old_retry_short, old_retry_long;
1793 u32 old_frag_threshold, old_rts_threshold;
1794 u8 old_coverage_class;
1796 if (!rdev->ops->set_wiphy_params) {
1797 result = -EOPNOTSUPP;
1801 old_retry_short = rdev->wiphy.retry_short;
1802 old_retry_long = rdev->wiphy.retry_long;
1803 old_frag_threshold = rdev->wiphy.frag_threshold;
1804 old_rts_threshold = rdev->wiphy.rts_threshold;
1805 old_coverage_class = rdev->wiphy.coverage_class;
1807 if (changed & WIPHY_PARAM_RETRY_SHORT)
1808 rdev->wiphy.retry_short = retry_short;
1809 if (changed & WIPHY_PARAM_RETRY_LONG)
1810 rdev->wiphy.retry_long = retry_long;
1811 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
1812 rdev->wiphy.frag_threshold = frag_threshold;
1813 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
1814 rdev->wiphy.rts_threshold = rts_threshold;
1815 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
1816 rdev->wiphy.coverage_class = coverage_class;
1818 result = rdev_set_wiphy_params(rdev, changed);
1820 rdev->wiphy.retry_short = old_retry_short;
1821 rdev->wiphy.retry_long = old_retry_long;
1822 rdev->wiphy.frag_threshold = old_frag_threshold;
1823 rdev->wiphy.rts_threshold = old_rts_threshold;
1824 rdev->wiphy.coverage_class = old_coverage_class;
1829 mutex_unlock(&rdev->mtx);
1835 static inline u64 wdev_id(struct wireless_dev *wdev)
1837 return (u64)wdev->identifier |
1838 ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32);
1841 static int nl80211_send_chandef(struct sk_buff *msg,
1842 struct cfg80211_chan_def *chandef)
1844 WARN_ON(!cfg80211_chan_def_valid(chandef));
1846 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
1847 chandef->chan->center_freq))
1849 switch (chandef->width) {
1850 case NL80211_CHAN_WIDTH_20_NOHT:
1851 case NL80211_CHAN_WIDTH_20:
1852 case NL80211_CHAN_WIDTH_40:
1853 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
1854 cfg80211_get_chandef_type(chandef)))
1860 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
1862 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
1864 if (chandef->center_freq2 &&
1865 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
1870 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
1871 struct cfg80211_registered_device *rdev,
1872 struct wireless_dev *wdev)
1874 struct net_device *dev = wdev->netdev;
1877 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE);
1882 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
1883 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
1884 goto nla_put_failure;
1886 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1887 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
1888 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
1889 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
1890 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1891 rdev->devlist_generation ^
1892 (cfg80211_rdev_list_generation << 2)))
1893 goto nla_put_failure;
1895 if (rdev->ops->get_channel) {
1897 struct cfg80211_chan_def chandef;
1899 ret = rdev_get_channel(rdev, wdev, &chandef);
1901 if (nl80211_send_chandef(msg, &chandef))
1902 goto nla_put_failure;
1906 if (wdev->ssid_len) {
1907 if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
1908 goto nla_put_failure;
1911 return genlmsg_end(msg, hdr);
1914 genlmsg_cancel(msg, hdr);
1918 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
1922 int wp_start = cb->args[0];
1923 int if_start = cb->args[1];
1924 struct cfg80211_registered_device *rdev;
1925 struct wireless_dev *wdev;
1927 mutex_lock(&cfg80211_mutex);
1928 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
1929 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
1931 if (wp_idx < wp_start) {
1937 mutex_lock(&rdev->devlist_mtx);
1938 list_for_each_entry(wdev, &rdev->wdev_list, list) {
1939 if (if_idx < if_start) {
1943 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
1944 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1946 mutex_unlock(&rdev->devlist_mtx);
1951 mutex_unlock(&rdev->devlist_mtx);
1956 mutex_unlock(&cfg80211_mutex);
1958 cb->args[0] = wp_idx;
1959 cb->args[1] = if_idx;
1964 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
1966 struct sk_buff *msg;
1967 struct cfg80211_registered_device *dev = info->user_ptr[0];
1968 struct wireless_dev *wdev = info->user_ptr[1];
1970 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1974 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
1980 return genlmsg_reply(msg, info);
1983 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
1984 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
1985 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
1986 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
1987 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
1988 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
1991 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
1993 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
2001 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
2002 nla, mntr_flags_policy))
2005 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
2007 *mntrflags |= (1<<flag);
2012 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
2013 struct net_device *netdev, u8 use_4addr,
2014 enum nl80211_iftype iftype)
2017 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
2023 case NL80211_IFTYPE_AP_VLAN:
2024 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
2027 case NL80211_IFTYPE_STATION:
2028 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
2038 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
2040 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2041 struct vif_params params;
2043 enum nl80211_iftype otype, ntype;
2044 struct net_device *dev = info->user_ptr[1];
2045 u32 _flags, *flags = NULL;
2046 bool change = false;
2048 memset(¶ms, 0, sizeof(params));
2050 otype = ntype = dev->ieee80211_ptr->iftype;
2052 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2053 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2056 if (ntype > NL80211_IFTYPE_MAX)
2060 if (info->attrs[NL80211_ATTR_MESH_ID]) {
2061 struct wireless_dev *wdev = dev->ieee80211_ptr;
2063 if (ntype != NL80211_IFTYPE_MESH_POINT)
2065 if (netif_running(dev))
2069 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2070 IEEE80211_MAX_MESH_ID_LEN);
2071 wdev->mesh_id_up_len =
2072 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2073 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2074 wdev->mesh_id_up_len);
2078 if (info->attrs[NL80211_ATTR_4ADDR]) {
2079 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2081 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
2085 params.use_4addr = -1;
2088 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
2089 if (ntype != NL80211_IFTYPE_MONITOR)
2091 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
2101 err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
2105 if (!err && params.use_4addr != -1)
2106 dev->ieee80211_ptr->use_4addr = params.use_4addr;
2111 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
2113 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2114 struct vif_params params;
2115 struct wireless_dev *wdev;
2116 struct sk_buff *msg;
2118 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
2121 memset(¶ms, 0, sizeof(params));
2123 if (!info->attrs[NL80211_ATTR_IFNAME])
2126 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2127 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2128 if (type > NL80211_IFTYPE_MAX)
2132 if (!rdev->ops->add_virtual_intf ||
2133 !(rdev->wiphy.interface_modes & (1 << type)))
2136 if (info->attrs[NL80211_ATTR_4ADDR]) {
2137 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2138 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
2143 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2147 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
2148 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
2150 wdev = rdev_add_virtual_intf(rdev,
2151 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
2152 type, err ? NULL : &flags, ¶ms);
2155 return PTR_ERR(wdev);
2159 case NL80211_IFTYPE_MESH_POINT:
2160 if (!info->attrs[NL80211_ATTR_MESH_ID])
2163 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2164 IEEE80211_MAX_MESH_ID_LEN);
2165 wdev->mesh_id_up_len =
2166 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2167 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2168 wdev->mesh_id_up_len);
2171 case NL80211_IFTYPE_P2P_DEVICE:
2173 * P2P Device doesn't have a netdev, so doesn't go
2174 * through the netdev notifier and must be added here
2176 mutex_init(&wdev->mtx);
2177 INIT_LIST_HEAD(&wdev->event_list);
2178 spin_lock_init(&wdev->event_lock);
2179 INIT_LIST_HEAD(&wdev->mgmt_registrations);
2180 spin_lock_init(&wdev->mgmt_registrations_lock);
2182 mutex_lock(&rdev->devlist_mtx);
2183 wdev->identifier = ++rdev->wdev_id;
2184 list_add_rcu(&wdev->list, &rdev->wdev_list);
2185 rdev->devlist_generation++;
2186 mutex_unlock(&rdev->devlist_mtx);
2192 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2198 return genlmsg_reply(msg, info);
2201 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
2203 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2204 struct wireless_dev *wdev = info->user_ptr[1];
2206 if (!rdev->ops->del_virtual_intf)
2210 * If we remove a wireless device without a netdev then clear
2211 * user_ptr[1] so that nl80211_post_doit won't dereference it
2212 * to check if it needs to do dev_put(). Otherwise it crashes
2213 * since the wdev has been freed, unlike with a netdev where
2214 * we need the dev_put() for the netdev to really be freed.
2217 info->user_ptr[1] = NULL;
2219 return rdev_del_virtual_intf(rdev, wdev);
2222 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
2224 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2225 struct net_device *dev = info->user_ptr[1];
2228 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
2231 if (!rdev->ops->set_noack_map)
2234 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
2236 return rdev_set_noack_map(rdev, dev, noack_map);
2239 struct get_key_cookie {
2240 struct sk_buff *msg;
2245 static void get_key_callback(void *c, struct key_params *params)
2248 struct get_key_cookie *cookie = c;
2251 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
2252 params->key_len, params->key)) ||
2254 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
2255 params->seq_len, params->seq)) ||
2257 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
2259 goto nla_put_failure;
2261 key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
2263 goto nla_put_failure;
2266 nla_put(cookie->msg, NL80211_KEY_DATA,
2267 params->key_len, params->key)) ||
2269 nla_put(cookie->msg, NL80211_KEY_SEQ,
2270 params->seq_len, params->seq)) ||
2272 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
2274 goto nla_put_failure;
2276 if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx))
2277 goto nla_put_failure;
2279 nla_nest_end(cookie->msg, key);
2286 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
2288 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2290 struct net_device *dev = info->user_ptr[1];
2292 const u8 *mac_addr = NULL;
2294 struct get_key_cookie cookie = {
2298 struct sk_buff *msg;
2300 if (info->attrs[NL80211_ATTR_KEY_IDX])
2301 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
2306 if (info->attrs[NL80211_ATTR_MAC])
2307 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2309 pairwise = !!mac_addr;
2310 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
2311 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
2312 if (kt >= NUM_NL80211_KEYTYPES)
2314 if (kt != NL80211_KEYTYPE_GROUP &&
2315 kt != NL80211_KEYTYPE_PAIRWISE)
2317 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
2320 if (!rdev->ops->get_key)
2323 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2327 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
2328 NL80211_CMD_NEW_KEY);
2330 return PTR_ERR(hdr);
2333 cookie.idx = key_idx;
2335 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2336 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2337 goto nla_put_failure;
2339 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
2340 goto nla_put_failure;
2342 if (pairwise && mac_addr &&
2343 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2346 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
2353 goto nla_put_failure;
2355 genlmsg_end(msg, hdr);
2356 return genlmsg_reply(msg, info);
2365 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
2367 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2368 struct key_parse key;
2370 struct net_device *dev = info->user_ptr[1];
2372 err = nl80211_parse_key(info, &key);
2379 /* only support setting default key */
2380 if (!key.def && !key.defmgmt)
2383 wdev_lock(dev->ieee80211_ptr);
2386 if (!rdev->ops->set_default_key) {
2391 err = nl80211_key_allowed(dev->ieee80211_ptr);
2395 err = rdev_set_default_key(rdev, dev, key.idx,
2396 key.def_uni, key.def_multi);
2401 #ifdef CONFIG_CFG80211_WEXT
2402 dev->ieee80211_ptr->wext.default_key = key.idx;
2405 if (key.def_uni || !key.def_multi) {
2410 if (!rdev->ops->set_default_mgmt_key) {
2415 err = nl80211_key_allowed(dev->ieee80211_ptr);
2419 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
2423 #ifdef CONFIG_CFG80211_WEXT
2424 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
2429 wdev_unlock(dev->ieee80211_ptr);
2434 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
2436 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2438 struct net_device *dev = info->user_ptr[1];
2439 struct key_parse key;
2440 const u8 *mac_addr = NULL;
2442 err = nl80211_parse_key(info, &key);
2449 if (info->attrs[NL80211_ATTR_MAC])
2450 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2452 if (key.type == -1) {
2454 key.type = NL80211_KEYTYPE_PAIRWISE;
2456 key.type = NL80211_KEYTYPE_GROUP;
2460 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2461 key.type != NL80211_KEYTYPE_GROUP)
2464 if (!rdev->ops->add_key)
2467 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
2468 key.type == NL80211_KEYTYPE_PAIRWISE,
2472 wdev_lock(dev->ieee80211_ptr);
2473 err = nl80211_key_allowed(dev->ieee80211_ptr);
2475 err = rdev_add_key(rdev, dev, key.idx,
2476 key.type == NL80211_KEYTYPE_PAIRWISE,
2478 wdev_unlock(dev->ieee80211_ptr);
2483 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
2485 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2487 struct net_device *dev = info->user_ptr[1];
2488 u8 *mac_addr = NULL;
2489 struct key_parse key;
2491 err = nl80211_parse_key(info, &key);
2495 if (info->attrs[NL80211_ATTR_MAC])
2496 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2498 if (key.type == -1) {
2500 key.type = NL80211_KEYTYPE_PAIRWISE;
2502 key.type = NL80211_KEYTYPE_GROUP;
2506 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2507 key.type != NL80211_KEYTYPE_GROUP)
2510 if (!rdev->ops->del_key)
2513 wdev_lock(dev->ieee80211_ptr);
2514 err = nl80211_key_allowed(dev->ieee80211_ptr);
2516 if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr &&
2517 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2521 err = rdev_del_key(rdev, dev, key.idx,
2522 key.type == NL80211_KEYTYPE_PAIRWISE,
2525 #ifdef CONFIG_CFG80211_WEXT
2527 if (key.idx == dev->ieee80211_ptr->wext.default_key)
2528 dev->ieee80211_ptr->wext.default_key = -1;
2529 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
2530 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
2533 wdev_unlock(dev->ieee80211_ptr);
2538 static int nl80211_parse_beacon(struct genl_info *info,
2539 struct cfg80211_beacon_data *bcn)
2541 bool haveinfo = false;
2543 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) ||
2544 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) ||
2545 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
2546 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]))
2549 memset(bcn, 0, sizeof(*bcn));
2551 if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
2552 bcn->head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
2553 bcn->head_len = nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]);
2559 if (info->attrs[NL80211_ATTR_BEACON_TAIL]) {
2560 bcn->tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]);
2562 nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]);
2569 if (info->attrs[NL80211_ATTR_IE]) {
2570 bcn->beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]);
2571 bcn->beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2574 if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) {
2575 bcn->proberesp_ies =
2576 nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
2577 bcn->proberesp_ies_len =
2578 nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
2581 if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
2582 bcn->assocresp_ies =
2583 nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
2584 bcn->assocresp_ies_len =
2585 nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
2588 if (info->attrs[NL80211_ATTR_PROBE_RESP]) {
2590 nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]);
2591 bcn->probe_resp_len =
2592 nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]);
2598 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
2599 struct cfg80211_ap_settings *params)
2601 struct wireless_dev *wdev;
2604 mutex_lock(&rdev->devlist_mtx);
2606 list_for_each_entry(wdev, &rdev->wdev_list, list) {
2607 if (wdev->iftype != NL80211_IFTYPE_AP &&
2608 wdev->iftype != NL80211_IFTYPE_P2P_GO)
2611 if (!wdev->preset_chandef.chan)
2614 params->chandef = wdev->preset_chandef;
2619 mutex_unlock(&rdev->devlist_mtx);
2624 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
2625 enum nl80211_auth_type auth_type,
2626 enum nl80211_commands cmd)
2628 if (auth_type > NL80211_AUTHTYPE_MAX)
2632 case NL80211_CMD_AUTHENTICATE:
2633 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
2634 auth_type == NL80211_AUTHTYPE_SAE)
2637 case NL80211_CMD_CONNECT:
2638 case NL80211_CMD_START_AP:
2639 /* SAE not supported yet */
2640 if (auth_type == NL80211_AUTHTYPE_SAE)
2648 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
2650 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2651 struct net_device *dev = info->user_ptr[1];
2652 struct wireless_dev *wdev = dev->ieee80211_ptr;
2653 struct cfg80211_ap_settings params;
2656 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2657 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2660 if (!rdev->ops->start_ap)
2663 if (wdev->beacon_interval)
2666 memset(¶ms, 0, sizeof(params));
2668 /* these are required for START_AP */
2669 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
2670 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
2671 !info->attrs[NL80211_ATTR_BEACON_HEAD])
2674 err = nl80211_parse_beacon(info, ¶ms.beacon);
2678 params.beacon_interval =
2679 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
2680 params.dtim_period =
2681 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
2683 err = cfg80211_validate_beacon_int(rdev, params.beacon_interval);
2688 * In theory, some of these attributes should be required here
2689 * but since they were not used when the command was originally
2690 * added, keep them optional for old user space programs to let
2691 * them continue to work with drivers that do not need the
2692 * additional information -- drivers must check!
2694 if (info->attrs[NL80211_ATTR_SSID]) {
2695 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
2697 nla_len(info->attrs[NL80211_ATTR_SSID]);
2698 if (params.ssid_len == 0 ||
2699 params.ssid_len > IEEE80211_MAX_SSID_LEN)
2703 if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
2704 params.hidden_ssid = nla_get_u32(
2705 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
2706 if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE &&
2707 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN &&
2708 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS)
2712 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
2714 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
2715 params.auth_type = nla_get_u32(
2716 info->attrs[NL80211_ATTR_AUTH_TYPE]);
2717 if (!nl80211_valid_auth_type(rdev, params.auth_type,
2718 NL80211_CMD_START_AP))
2721 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
2723 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
2724 NL80211_MAX_NR_CIPHER_SUITES);
2728 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
2729 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
2731 params.inactivity_timeout = nla_get_u16(
2732 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
2735 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2736 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
2739 } else if (wdev->preset_chandef.chan) {
2740 params.chandef = wdev->preset_chandef;
2741 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
2744 if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef))
2747 mutex_lock(&rdev->devlist_mtx);
2748 err = cfg80211_can_use_chan(rdev, wdev, params.chandef.chan,
2750 mutex_unlock(&rdev->devlist_mtx);
2755 err = rdev_start_ap(rdev, dev, ¶ms);
2757 wdev->preset_chandef = params.chandef;
2758 wdev->beacon_interval = params.beacon_interval;
2759 wdev->channel = params.chandef.chan;
2760 wdev->ssid_len = params.ssid_len;
2761 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
2766 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
2768 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2769 struct net_device *dev = info->user_ptr[1];
2770 struct wireless_dev *wdev = dev->ieee80211_ptr;
2771 struct cfg80211_beacon_data params;
2774 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2775 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2778 if (!rdev->ops->change_beacon)
2781 if (!wdev->beacon_interval)
2784 err = nl80211_parse_beacon(info, ¶ms);
2788 return rdev_change_beacon(rdev, dev, ¶ms);
2791 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
2793 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2794 struct net_device *dev = info->user_ptr[1];
2796 return cfg80211_stop_ap(rdev, dev);
2799 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
2800 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
2801 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
2802 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
2803 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
2804 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
2805 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
2808 static int parse_station_flags(struct genl_info *info,
2809 enum nl80211_iftype iftype,
2810 struct station_parameters *params)
2812 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
2817 * Try parsing the new attribute first so userspace
2818 * can specify both for older kernels.
2820 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
2822 struct nl80211_sta_flag_update *sta_flags;
2824 sta_flags = nla_data(nla);
2825 params->sta_flags_mask = sta_flags->mask;
2826 params->sta_flags_set = sta_flags->set;
2827 if ((params->sta_flags_mask |
2828 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
2833 /* if present, parse the old attribute */
2835 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
2839 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
2840 nla, sta_flags_policy))
2844 * Only allow certain flags for interface types so that
2845 * other attributes are silently ignored. Remember that
2846 * this is backward compatibility code with old userspace
2847 * and shouldn't be hit in other cases anyway.
2850 case NL80211_IFTYPE_AP:
2851 case NL80211_IFTYPE_AP_VLAN:
2852 case NL80211_IFTYPE_P2P_GO:
2853 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
2854 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
2855 BIT(NL80211_STA_FLAG_WME) |
2856 BIT(NL80211_STA_FLAG_MFP);
2858 case NL80211_IFTYPE_P2P_CLIENT:
2859 case NL80211_IFTYPE_STATION:
2860 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
2861 BIT(NL80211_STA_FLAG_TDLS_PEER);
2863 case NL80211_IFTYPE_MESH_POINT:
2864 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2865 BIT(NL80211_STA_FLAG_MFP) |
2866 BIT(NL80211_STA_FLAG_AUTHORIZED);
2871 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
2873 params->sta_flags_set |= (1<<flag);
2875 /* no longer support new API additions in old API */
2876 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
2884 static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
2887 struct nlattr *rate;
2891 rate = nla_nest_start(msg, attr);
2893 goto nla_put_failure;
2895 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
2896 bitrate = cfg80211_calculate_bitrate(info);
2897 /* report 16-bit bitrate only if we can */
2898 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
2900 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) ||
2901 (bitrate_compat > 0 &&
2902 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) ||
2903 ((info->flags & RATE_INFO_FLAGS_MCS) &&
2904 nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) ||
2905 ((info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) &&
2906 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) ||
2907 ((info->flags & RATE_INFO_FLAGS_SHORT_GI) &&
2908 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)))
2909 goto nla_put_failure;
2911 nla_nest_end(msg, rate);
2918 static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
2920 struct cfg80211_registered_device *rdev,
2921 struct net_device *dev,
2922 const u8 *mac_addr, struct station_info *sinfo)
2925 struct nlattr *sinfoattr, *bss_param;
2927 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
2931 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2932 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
2933 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
2934 goto nla_put_failure;
2936 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
2938 goto nla_put_failure;
2939 if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) &&
2940 nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME,
2941 sinfo->connected_time))
2942 goto nla_put_failure;
2943 if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) &&
2944 nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME,
2945 sinfo->inactive_time))
2946 goto nla_put_failure;
2947 if ((sinfo->filled & STATION_INFO_RX_BYTES) &&
2948 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
2950 goto nla_put_failure;
2951 if ((sinfo->filled & STATION_INFO_TX_BYTES) &&
2952 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
2954 goto nla_put_failure;
2955 if ((sinfo->filled & STATION_INFO_LLID) &&
2956 nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid))
2957 goto nla_put_failure;
2958 if ((sinfo->filled & STATION_INFO_PLID) &&
2959 nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid))
2960 goto nla_put_failure;
2961 if ((sinfo->filled & STATION_INFO_PLINK_STATE) &&
2962 nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE,
2963 sinfo->plink_state))
2964 goto nla_put_failure;
2965 switch (rdev->wiphy.signal_type) {
2966 case CFG80211_SIGNAL_TYPE_MBM:
2967 if ((sinfo->filled & STATION_INFO_SIGNAL) &&
2968 nla_put_u8(msg, NL80211_STA_INFO_SIGNAL,
2970 goto nla_put_failure;
2971 if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) &&
2972 nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG,
2974 goto nla_put_failure;
2979 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
2980 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
2981 NL80211_STA_INFO_TX_BITRATE))
2982 goto nla_put_failure;
2984 if (sinfo->filled & STATION_INFO_RX_BITRATE) {
2985 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
2986 NL80211_STA_INFO_RX_BITRATE))
2987 goto nla_put_failure;
2989 if ((sinfo->filled & STATION_INFO_RX_PACKETS) &&
2990 nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS,
2992 goto nla_put_failure;
2993 if ((sinfo->filled & STATION_INFO_TX_PACKETS) &&
2994 nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS,
2996 goto nla_put_failure;
2997 if ((sinfo->filled & STATION_INFO_TX_RETRIES) &&
2998 nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES,
3000 goto nla_put_failure;
3001 if ((sinfo->filled & STATION_INFO_TX_FAILED) &&
3002 nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED,
3004 goto nla_put_failure;
3005 if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) &&
3006 nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS,
3007 sinfo->beacon_loss_count))
3008 goto nla_put_failure;
3009 if (sinfo->filled & STATION_INFO_BSS_PARAM) {
3010 bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
3012 goto nla_put_failure;
3014 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
3015 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
3016 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
3017 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
3018 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
3019 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
3020 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
3021 sinfo->bss_param.dtim_period) ||
3022 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
3023 sinfo->bss_param.beacon_interval))
3024 goto nla_put_failure;
3026 nla_nest_end(msg, bss_param);
3028 if ((sinfo->filled & STATION_INFO_STA_FLAGS) &&
3029 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
3030 sizeof(struct nl80211_sta_flag_update),
3032 goto nla_put_failure;
3033 if ((sinfo->filled & STATION_INFO_T_OFFSET) &&
3034 nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET,
3036 goto nla_put_failure;
3037 nla_nest_end(msg, sinfoattr);
3039 if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) &&
3040 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
3041 sinfo->assoc_req_ies))
3042 goto nla_put_failure;
3044 return genlmsg_end(msg, hdr);
3047 genlmsg_cancel(msg, hdr);
3051 static int nl80211_dump_station(struct sk_buff *skb,
3052 struct netlink_callback *cb)
3054 struct station_info sinfo;
3055 struct cfg80211_registered_device *dev;
3056 struct net_device *netdev;
3057 u8 mac_addr[ETH_ALEN];
3058 int sta_idx = cb->args[1];
3061 err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
3065 if (!dev->ops->dump_station) {
3071 memset(&sinfo, 0, sizeof(sinfo));
3072 err = rdev_dump_station(dev, netdev, sta_idx,
3079 if (nl80211_send_station(skb,
3080 NETLINK_CB(cb->skb).portid,
3081 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3082 dev, netdev, mac_addr,
3091 cb->args[1] = sta_idx;
3094 nl80211_finish_netdev_dump(dev);
3099 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
3101 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3102 struct net_device *dev = info->user_ptr[1];
3103 struct station_info sinfo;
3104 struct sk_buff *msg;
3105 u8 *mac_addr = NULL;
3108 memset(&sinfo, 0, sizeof(sinfo));
3110 if (!info->attrs[NL80211_ATTR_MAC])
3113 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3115 if (!rdev->ops->get_station)
3118 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
3122 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3126 if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0,
3127 rdev, dev, mac_addr, &sinfo) < 0) {
3132 return genlmsg_reply(msg, info);
3136 * Get vlan interface making sure it is running and on the right wiphy.
3138 static struct net_device *get_vlan(struct genl_info *info,
3139 struct cfg80211_registered_device *rdev)
3141 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
3142 struct net_device *v;
3148 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
3150 return ERR_PTR(-ENODEV);
3152 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
3157 if (!netif_running(v)) {
3165 return ERR_PTR(ret);
3168 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
3170 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3172 struct net_device *dev = info->user_ptr[1];
3173 struct station_parameters params;
3174 u8 *mac_addr = NULL;
3176 memset(¶ms, 0, sizeof(params));
3178 params.listen_interval = -1;
3179 params.plink_state = -1;
3181 if (info->attrs[NL80211_ATTR_STA_AID])
3184 if (!info->attrs[NL80211_ATTR_MAC])
3187 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3189 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
3190 params.supported_rates =
3191 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
3192 params.supported_rates_len =
3193 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
3196 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
3197 params.listen_interval =
3198 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
3200 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
3202 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
3204 if (!rdev->ops->change_station)
3207 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
3210 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
3211 params.plink_action =
3212 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
3214 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE])
3215 params.plink_state =
3216 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
3218 switch (dev->ieee80211_ptr->iftype) {
3219 case NL80211_IFTYPE_AP:
3220 case NL80211_IFTYPE_AP_VLAN:
3221 case NL80211_IFTYPE_P2P_GO:
3222 /* disallow mesh-specific things */
3223 if (params.plink_action)
3226 /* TDLS can't be set, ... */
3227 if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
3230 * ... but don't bother the driver with it. This works around
3231 * a hostapd/wpa_supplicant issue -- it always includes the
3232 * TLDS_PEER flag in the mask even for AP mode.
3234 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3236 /* accept only the listed bits */
3237 if (params.sta_flags_mask &
3238 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
3239 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
3240 BIT(NL80211_STA_FLAG_WME) |
3241 BIT(NL80211_STA_FLAG_MFP)))
3244 /* must be last in here for error handling */
3245 params.vlan = get_vlan(info, rdev);
3246 if (IS_ERR(params.vlan))
3247 return PTR_ERR(params.vlan);
3249 case NL80211_IFTYPE_P2P_CLIENT:
3250 case NL80211_IFTYPE_STATION:
3252 * Don't allow userspace to change the TDLS_PEER flag,
3253 * but silently ignore attempts to change it since we
3254 * don't have state here to verify that it doesn't try
3255 * to change the flag.
3257 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3259 case NL80211_IFTYPE_ADHOC:
3260 /* disallow things sta doesn't support */
3261 if (params.plink_action)
3265 if (params.listen_interval >= 0)
3267 /* reject any changes other than AUTHORIZED */
3268 if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
3271 case NL80211_IFTYPE_MESH_POINT:
3272 /* disallow things mesh doesn't support */
3277 if (params.listen_interval >= 0)
3280 * No special handling for TDLS here -- the userspace
3281 * mesh code doesn't have this bug.
3283 if (params.sta_flags_mask &
3284 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3285 BIT(NL80211_STA_FLAG_MFP) |
3286 BIT(NL80211_STA_FLAG_AUTHORIZED)))
3293 /* be aware of params.vlan when changing code here */
3295 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
3298 dev_put(params.vlan);
3303 static struct nla_policy
3304 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
3305 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
3306 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
3309 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
3311 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3313 struct net_device *dev = info->user_ptr[1];
3314 struct station_parameters params;
3315 u8 *mac_addr = NULL;
3317 memset(¶ms, 0, sizeof(params));
3319 if (!info->attrs[NL80211_ATTR_MAC])
3322 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
3325 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
3328 if (!info->attrs[NL80211_ATTR_STA_AID])
3331 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3332 params.supported_rates =
3333 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
3334 params.supported_rates_len =
3335 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
3336 params.listen_interval =
3337 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
3339 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
3340 if (!params.aid || params.aid > IEEE80211_MAX_AID)
3343 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
3345 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
3347 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
3349 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
3351 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
3352 params.plink_action =
3353 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
3355 if (!rdev->ops->add_station)
3358 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
3361 switch (dev->ieee80211_ptr->iftype) {
3362 case NL80211_IFTYPE_AP:
3363 case NL80211_IFTYPE_AP_VLAN:
3364 case NL80211_IFTYPE_P2P_GO:
3365 /* parse WME attributes if sta is WME capable */
3366 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
3367 (params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)) &&
3368 info->attrs[NL80211_ATTR_STA_WME]) {
3369 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
3372 nla = info->attrs[NL80211_ATTR_STA_WME];
3373 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
3374 nl80211_sta_wme_policy);
3378 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
3379 params.uapsd_queues =
3380 nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]);
3381 if (params.uapsd_queues &
3382 ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
3385 if (tb[NL80211_STA_WME_MAX_SP])
3387 nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
3390 ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
3393 params.sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
3395 /* TDLS peers cannot be added */
3396 if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
3398 /* but don't bother the driver with it */
3399 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3401 /* must be last in here for error handling */
3402 params.vlan = get_vlan(info, rdev);
3403 if (IS_ERR(params.vlan))
3404 return PTR_ERR(params.vlan);
3406 case NL80211_IFTYPE_MESH_POINT:
3407 /* TDLS peers cannot be added */
3408 if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
3411 case NL80211_IFTYPE_STATION:
3412 /* Only TDLS peers can be added */
3413 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3415 /* Can only add if TDLS ... */
3416 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
3418 /* ... with external setup is supported */
3419 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3426 /* be aware of params.vlan when changing code here */
3428 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
3431 dev_put(params.vlan);
3435 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
3437 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3438 struct net_device *dev = info->user_ptr[1];
3439 u8 *mac_addr = NULL;
3441 if (info->attrs[NL80211_ATTR_MAC])
3442 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3444 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3445 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
3446 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
3447 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3450 if (!rdev->ops->del_station)
3453 return rdev_del_station(rdev, dev, mac_addr);
3456 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
3457 int flags, struct net_device *dev,
3458 u8 *dst, u8 *next_hop,
3459 struct mpath_info *pinfo)
3462 struct nlattr *pinfoattr;
3464 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
3468 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3469 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
3470 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
3471 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
3472 goto nla_put_failure;
3474 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
3476 goto nla_put_failure;
3477 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
3478 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
3480 goto nla_put_failure;
3481 if (((pinfo->filled & MPATH_INFO_SN) &&
3482 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
3483 ((pinfo->filled & MPATH_INFO_METRIC) &&
3484 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
3486 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
3487 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
3489 ((pinfo->filled & MPATH_INFO_FLAGS) &&
3490 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
3492 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
3493 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
3494 pinfo->discovery_timeout)) ||
3495 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
3496 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
3497 pinfo->discovery_retries)))
3498 goto nla_put_failure;
3500 nla_nest_end(msg, pinfoattr);
3502 return genlmsg_end(msg, hdr);
3505 genlmsg_cancel(msg, hdr);
3509 static int nl80211_dump_mpath(struct sk_buff *skb,
3510 struct netlink_callback *cb)
3512 struct mpath_info pinfo;
3513 struct cfg80211_registered_device *dev;
3514 struct net_device *netdev;
3516 u8 next_hop[ETH_ALEN];
3517 int path_idx = cb->args[1];
3520 err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
3524 if (!dev->ops->dump_mpath) {
3529 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
3535 err = rdev_dump_mpath(dev, netdev, path_idx, dst, next_hop,
3542 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
3543 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3544 netdev, dst, next_hop,
3553 cb->args[1] = path_idx;
3556 nl80211_finish_netdev_dump(dev);
3560 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
3562 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3564 struct net_device *dev = info->user_ptr[1];
3565 struct mpath_info pinfo;
3566 struct sk_buff *msg;
3568 u8 next_hop[ETH_ALEN];
3570 memset(&pinfo, 0, sizeof(pinfo));
3572 if (!info->attrs[NL80211_ATTR_MAC])
3575 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
3577 if (!rdev->ops->get_mpath)
3580 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
3583 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
3587 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3591 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
3592 dev, dst, next_hop, &pinfo) < 0) {
3597 return genlmsg_reply(msg, info);
3600 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
3602 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3603 struct net_device *dev = info->user_ptr[1];
3605 u8 *next_hop = NULL;
3607 if (!info->attrs[NL80211_ATTR_MAC])
3610 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
3613 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
3614 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
3616 if (!rdev->ops->change_mpath)
3619 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
3622 return rdev_change_mpath(rdev, dev, dst, next_hop);
3625 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
3627 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3628 struct net_device *dev = info->user_ptr[1];
3630 u8 *next_hop = NULL;
3632 if (!info->attrs[NL80211_ATTR_MAC])
3635 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
3638 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
3639 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
3641 if (!rdev->ops->add_mpath)
3644 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
3647 return rdev_add_mpath(rdev, dev, dst, next_hop);
3650 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
3652 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3653 struct net_device *dev = info->user_ptr[1];
3656 if (info->attrs[NL80211_ATTR_MAC])
3657 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
3659 if (!rdev->ops->del_mpath)
3662 return rdev_del_mpath(rdev, dev, dst);
3665 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
3667 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3668 struct net_device *dev = info->user_ptr[1];
3669 struct bss_parameters params;
3671 memset(¶ms, 0, sizeof(params));
3672 /* default to not changing parameters */
3673 params.use_cts_prot = -1;
3674 params.use_short_preamble = -1;
3675 params.use_short_slot_time = -1;
3676 params.ap_isolate = -1;
3677 params.ht_opmode = -1;
3679 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
3680 params.use_cts_prot =
3681 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
3682 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
3683 params.use_short_preamble =
3684 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
3685 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
3686 params.use_short_slot_time =
3687 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
3688 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
3689 params.basic_rates =
3690 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
3691 params.basic_rates_len =
3692 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
3694 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
3695 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
3696 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
3698 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
3700 if (!rdev->ops->change_bss)
3703 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3704 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3707 return rdev_change_bss(rdev, dev, ¶ms);
3710 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
3711 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
3712 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
3713 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
3714 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
3715 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
3716 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
3719 static int parse_reg_rule(struct nlattr *tb[],
3720 struct ieee80211_reg_rule *reg_rule)
3722 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
3723 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
3725 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
3727 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
3729 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
3731 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
3733 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
3736 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
3738 freq_range->start_freq_khz =
3739 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
3740 freq_range->end_freq_khz =
3741 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
3742 freq_range->max_bandwidth_khz =
3743 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
3745 power_rule->max_eirp =
3746 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
3748 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
3749 power_rule->max_antenna_gain =
3750 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
3755 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
3759 enum nl80211_user_reg_hint_type user_reg_hint_type;
3762 * You should only get this when cfg80211 hasn't yet initialized
3763 * completely when built-in to the kernel right between the time
3764 * window between nl80211_init() and regulatory_init(), if that is
3767 mutex_lock(&cfg80211_mutex);
3768 if (unlikely(!cfg80211_regdomain)) {
3769 mutex_unlock(&cfg80211_mutex);
3770 return -EINPROGRESS;
3772 mutex_unlock(&cfg80211_mutex);
3774 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
3777 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
3779 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
3780 user_reg_hint_type =
3781 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
3783 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
3785 switch (user_reg_hint_type) {
3786 case NL80211_USER_REG_HINT_USER:
3787 case NL80211_USER_REG_HINT_CELL_BASE:
3793 r = regulatory_hint_user(data, user_reg_hint_type);
3798 static int nl80211_get_mesh_config(struct sk_buff *skb,
3799 struct genl_info *info)
3801 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3802 struct net_device *dev = info->user_ptr[1];
3803 struct wireless_dev *wdev = dev->ieee80211_ptr;
3804 struct mesh_config cur_params;
3807 struct nlattr *pinfoattr;
3808 struct sk_buff *msg;
3810 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
3813 if (!rdev->ops->get_mesh_config)
3817 /* If not connected, get default parameters */
3818 if (!wdev->mesh_id_len)
3819 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
3821 err = rdev_get_mesh_config(rdev, dev, &cur_params);
3827 /* Draw up a netlink message to send back */
3828 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3831 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3832 NL80211_CMD_GET_MESH_CONFIG);
3835 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
3837 goto nla_put_failure;
3838 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3839 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
3840 cur_params.dot11MeshRetryTimeout) ||
3841 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
3842 cur_params.dot11MeshConfirmTimeout) ||
3843 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
3844 cur_params.dot11MeshHoldingTimeout) ||
3845 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
3846 cur_params.dot11MeshMaxPeerLinks) ||
3847 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
3848 cur_params.dot11MeshMaxRetries) ||
3849 nla_put_u8(msg, NL80211_MESHCONF_TTL,
3850 cur_params.dot11MeshTTL) ||
3851 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
3852 cur_params.element_ttl) ||
3853 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
3854 cur_params.auto_open_plinks) ||
3855 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
3856 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
3857 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
3858 cur_params.dot11MeshHWMPmaxPREQretries) ||
3859 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
3860 cur_params.path_refresh_time) ||
3861 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
3862 cur_params.min_discovery_timeout) ||
3863 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
3864 cur_params.dot11MeshHWMPactivePathTimeout) ||
3865 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
3866 cur_params.dot11MeshHWMPpreqMinInterval) ||
3867 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
3868 cur_params.dot11MeshHWMPperrMinInterval) ||
3869 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
3870 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
3871 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
3872 cur_params.dot11MeshHWMPRootMode) ||
3873 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
3874 cur_params.dot11MeshHWMPRannInterval) ||
3875 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
3876 cur_params.dot11MeshGateAnnouncementProtocol) ||
3877 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
3878 cur_params.dot11MeshForwarding) ||
3879 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
3880 cur_params.rssi_threshold) ||
3881 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
3882 cur_params.ht_opmode) ||
3883 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
3884 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
3885 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
3886 cur_params.dot11MeshHWMProotInterval) ||
3887 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
3888 cur_params.dot11MeshHWMPconfirmationInterval))
3889 goto nla_put_failure;
3890 nla_nest_end(msg, pinfoattr);
3891 genlmsg_end(msg, hdr);
3892 return genlmsg_reply(msg, info);
3895 genlmsg_cancel(msg, hdr);
3901 static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
3902 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
3903 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
3904 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
3905 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
3906 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
3907 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
3908 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
3909 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
3910 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
3911 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
3912 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
3913 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
3914 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
3915 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
3916 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
3917 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
3918 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
3919 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
3920 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
3921 [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
3922 [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
3923 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
3924 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
3925 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
3926 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
3929 static const struct nla_policy
3930 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
3931 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
3932 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
3933 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
3934 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
3935 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
3936 .len = IEEE80211_MAX_DATA_LEN },
3937 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
3940 static int nl80211_parse_mesh_config(struct genl_info *info,
3941 struct mesh_config *cfg,
3944 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
3947 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
3949 if (table[attr_num]) {\
3950 cfg->param = nla_fn(table[attr_num]); \
3951 mask |= (1 << (attr_num - 1)); \
3956 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
3958 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
3959 info->attrs[NL80211_ATTR_MESH_CONFIG],
3960 nl80211_meshconf_params_policy))
3963 /* This makes sure that there aren't more than 32 mesh config
3964 * parameters (otherwise our bitfield scheme would not work.) */
3965 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
3967 /* Fill in the params struct */
3968 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout,
3969 mask, NL80211_MESHCONF_RETRY_TIMEOUT,
3971 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout,
3972 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
3974 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout,
3975 mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
3977 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks,
3978 mask, NL80211_MESHCONF_MAX_PEER_LINKS,
3980 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries,
3981 mask, NL80211_MESHCONF_MAX_RETRIES,
3983 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL,
3984 mask, NL80211_MESHCONF_TTL, nla_get_u8);
3985 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl,
3986 mask, NL80211_MESHCONF_ELEMENT_TTL,
3988 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks,
3989 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
3991 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, mask,
3992 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
3994 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries,
3995 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
3997 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time,
3998 mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
4000 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout,
4001 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
4003 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, mask,
4004 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
4006 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
4007 mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
4009 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
4010 mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
4012 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4013 dot11MeshHWMPnetDiameterTraversalTime, mask,
4014 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
4016 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
4017 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
4018 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
4019 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
4021 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4022 dot11MeshGateAnnouncementProtocol, mask,
4023 NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
4025 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding,
4026 mask, NL80211_MESHCONF_FORWARDING,
4028 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold,
4029 mask, NL80211_MESHCONF_RSSI_THRESHOLD,
4031 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode,
4032 mask, NL80211_MESHCONF_HT_OPMODE,
4034 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
4036 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
4038 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval,
4039 mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
4041 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4042 dot11MeshHWMPconfirmationInterval, mask,
4043 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
4050 #undef FILL_IN_MESH_PARAM_IF_SET
4053 static int nl80211_parse_mesh_setup(struct genl_info *info,
4054 struct mesh_setup *setup)
4056 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
4058 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
4060 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
4061 info->attrs[NL80211_ATTR_MESH_SETUP],
4062 nl80211_mesh_setup_params_policy))
4065 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
4066 setup->sync_method =
4067 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
4068 IEEE80211_SYNC_METHOD_VENDOR :
4069 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
4071 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
4072 setup->path_sel_proto =
4073 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
4074 IEEE80211_PATH_PROTOCOL_VENDOR :
4075 IEEE80211_PATH_PROTOCOL_HWMP;
4077 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
4078 setup->path_metric =
4079 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
4080 IEEE80211_PATH_METRIC_VENDOR :
4081 IEEE80211_PATH_METRIC_AIRTIME;
4084 if (tb[NL80211_MESH_SETUP_IE]) {
4085 struct nlattr *ieattr =
4086 tb[NL80211_MESH_SETUP_IE];
4087 if (!is_valid_ie_attr(ieattr))
4089 setup->ie = nla_data(ieattr);
4090 setup->ie_len = nla_len(ieattr);
4092 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
4093 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
4098 static int nl80211_update_mesh_config(struct sk_buff *skb,
4099 struct genl_info *info)
4101 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4102 struct net_device *dev = info->user_ptr[1];
4103 struct wireless_dev *wdev = dev->ieee80211_ptr;
4104 struct mesh_config cfg;
4108 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
4111 if (!rdev->ops->update_mesh_config)
4114 err = nl80211_parse_mesh_config(info, &cfg, &mask);
4119 if (!wdev->mesh_id_len)
4123 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
4130 static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
4132 struct sk_buff *msg;
4134 struct nlattr *nl_reg_rules;
4138 mutex_lock(&cfg80211_mutex);
4140 if (!cfg80211_regdomain)
4143 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4149 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4150 NL80211_CMD_GET_REG);
4154 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
4155 cfg80211_regdomain->alpha2) ||
4156 (cfg80211_regdomain->dfs_region &&
4157 nla_put_u8(msg, NL80211_ATTR_DFS_REGION,
4158 cfg80211_regdomain->dfs_region)))
4159 goto nla_put_failure;
4161 if (reg_last_request_cell_base() &&
4162 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
4163 NL80211_USER_REG_HINT_CELL_BASE))
4164 goto nla_put_failure;
4166 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
4168 goto nla_put_failure;
4170 for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) {
4171 struct nlattr *nl_reg_rule;
4172 const struct ieee80211_reg_rule *reg_rule;
4173 const struct ieee80211_freq_range *freq_range;
4174 const struct ieee80211_power_rule *power_rule;
4176 reg_rule = &cfg80211_regdomain->reg_rules[i];
4177 freq_range = ®_rule->freq_range;
4178 power_rule = ®_rule->power_rule;
4180 nl_reg_rule = nla_nest_start(msg, i);
4182 goto nla_put_failure;
4184 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
4186 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
4187 freq_range->start_freq_khz) ||
4188 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
4189 freq_range->end_freq_khz) ||
4190 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
4191 freq_range->max_bandwidth_khz) ||
4192 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
4193 power_rule->max_antenna_gain) ||
4194 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
4195 power_rule->max_eirp))
4196 goto nla_put_failure;
4198 nla_nest_end(msg, nl_reg_rule);
4201 nla_nest_end(msg, nl_reg_rules);
4203 genlmsg_end(msg, hdr);
4204 err = genlmsg_reply(msg, info);
4208 genlmsg_cancel(msg, hdr);
4213 mutex_unlock(&cfg80211_mutex);
4217 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
4219 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
4220 struct nlattr *nl_reg_rule;
4221 char *alpha2 = NULL;
4222 int rem_reg_rules = 0, r = 0;
4223 u32 num_rules = 0, rule_idx = 0, size_of_regd;
4225 struct ieee80211_regdomain *rd = NULL;
4227 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
4230 if (!info->attrs[NL80211_ATTR_REG_RULES])
4233 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
4235 if (info->attrs[NL80211_ATTR_DFS_REGION])
4236 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
4238 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
4241 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
4245 mutex_lock(&cfg80211_mutex);
4247 if (!reg_is_valid_request(alpha2)) {
4252 size_of_regd = sizeof(struct ieee80211_regdomain) +
4253 (num_rules * sizeof(struct ieee80211_reg_rule));
4255 rd = kzalloc(size_of_regd, GFP_KERNEL);
4261 rd->n_reg_rules = num_rules;
4262 rd->alpha2[0] = alpha2[0];
4263 rd->alpha2[1] = alpha2[1];
4266 * Disable DFS master mode if the DFS region was
4267 * not supported or known on this kernel.
4269 if (reg_supported_dfs_region(dfs_region))
4270 rd->dfs_region = dfs_region;
4272 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
4274 nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
4275 nla_data(nl_reg_rule), nla_len(nl_reg_rule),
4277 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
4283 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
4289 BUG_ON(rule_idx != num_rules);
4293 mutex_unlock(&cfg80211_mutex);
4298 mutex_unlock(&cfg80211_mutex);
4303 static int validate_scan_freqs(struct nlattr *freqs)
4305 struct nlattr *attr1, *attr2;
4306 int n_channels = 0, tmp1, tmp2;
4308 nla_for_each_nested(attr1, freqs, tmp1) {
4311 * Some hardware has a limited channel list for
4312 * scanning, and it is pretty much nonsensical
4313 * to scan for a channel twice, so disallow that
4314 * and don't require drivers to check that the
4315 * channel list they get isn't longer than what
4316 * they can scan, as long as they can scan all
4317 * the channels they registered at once.
4319 nla_for_each_nested(attr2, freqs, tmp2)
4320 if (attr1 != attr2 &&
4321 nla_get_u32(attr1) == nla_get_u32(attr2))
4328 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
4330 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4331 struct wireless_dev *wdev = info->user_ptr[1];
4332 struct cfg80211_scan_request *request;
4333 struct nlattr *attr;
4334 struct wiphy *wiphy;
4335 int err, tmp, n_ssids = 0, n_channels, i;
4338 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4341 wiphy = &rdev->wiphy;
4343 if (!rdev->ops->scan)
4349 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
4350 n_channels = validate_scan_freqs(
4351 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
4355 enum ieee80211_band band;
4358 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
4359 if (wiphy->bands[band])
4360 n_channels += wiphy->bands[band]->n_channels;
4363 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
4364 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
4367 if (n_ssids > wiphy->max_scan_ssids)
4370 if (info->attrs[NL80211_ATTR_IE])
4371 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4375 if (ie_len > wiphy->max_scan_ie_len)
4378 request = kzalloc(sizeof(*request)
4379 + sizeof(*request->ssids) * n_ssids
4380 + sizeof(*request->channels) * n_channels
4381 + ie_len, GFP_KERNEL);
4386 request->ssids = (void *)&request->channels[n_channels];
4387 request->n_ssids = n_ssids;
4390 request->ie = (void *)(request->ssids + n_ssids);
4392 request->ie = (void *)(request->channels + n_channels);
4396 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
4397 /* user specified, bail out if channel not found */
4398 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
4399 struct ieee80211_channel *chan;
4401 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
4408 /* ignore disabled channels */
4409 if (chan->flags & IEEE80211_CHAN_DISABLED)
4412 request->channels[i] = chan;
4416 enum ieee80211_band band;
4419 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
4421 if (!wiphy->bands[band])
4423 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
4424 struct ieee80211_channel *chan;
4426 chan = &wiphy->bands[band]->channels[j];
4428 if (chan->flags & IEEE80211_CHAN_DISABLED)
4431 request->channels[i] = chan;
4442 request->n_channels = i;
4445 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
4446 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
4447 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
4451 request->ssids[i].ssid_len = nla_len(attr);
4452 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
4457 if (info->attrs[NL80211_ATTR_IE]) {
4458 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4459 memcpy((void *)request->ie,
4460 nla_data(info->attrs[NL80211_ATTR_IE]),
4464 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
4465 if (wiphy->bands[i])
4467 (1 << wiphy->bands[i]->n_bitrates) - 1;
4469 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
4470 nla_for_each_nested(attr,
4471 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
4473 enum ieee80211_band band = nla_type(attr);
4475 if (band < 0 || band >= IEEE80211_NUM_BANDS) {
4479 err = ieee80211_get_ratemask(wiphy->bands[band],
4482 &request->rates[band]);
4488 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
4489 request->flags = nla_get_u32(
4490 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
4491 if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
4492 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
4493 ((request->flags & NL80211_SCAN_FLAG_FLUSH) &&
4494 !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) {
4501 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
4503 request->wdev = wdev;
4504 request->wiphy = &rdev->wiphy;
4505 request->scan_start = jiffies;
4507 rdev->scan_req = request;
4508 err = rdev_scan(rdev, request);
4511 nl80211_send_scan_start(rdev, wdev);
4513 dev_hold(wdev->netdev);
4516 rdev->scan_req = NULL;
4523 static int nl80211_start_sched_scan(struct sk_buff *skb,
4524 struct genl_info *info)
4526 struct cfg80211_sched_scan_request *request;
4527 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4528 struct net_device *dev = info->user_ptr[1];
4529 struct nlattr *attr;
4530 struct wiphy *wiphy;
4531 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
4533 enum ieee80211_band band;
4535 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
4537 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
4538 !rdev->ops->sched_scan_start)
4541 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4544 if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
4547 interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
4551 wiphy = &rdev->wiphy;
4553 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
4554 n_channels = validate_scan_freqs(
4555 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
4561 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
4562 if (wiphy->bands[band])
4563 n_channels += wiphy->bands[band]->n_channels;
4566 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
4567 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
4571 if (n_ssids > wiphy->max_sched_scan_ssids)
4574 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH])
4575 nla_for_each_nested(attr,
4576 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
4580 if (n_match_sets > wiphy->max_match_sets)
4583 if (info->attrs[NL80211_ATTR_IE])
4584 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4588 if (ie_len > wiphy->max_sched_scan_ie_len)
4591 mutex_lock(&rdev->sched_scan_mtx);
4593 if (rdev->sched_scan_req) {
4598 request = kzalloc(sizeof(*request)
4599 + sizeof(*request->ssids) * n_ssids
4600 + sizeof(*request->match_sets) * n_match_sets
4601 + sizeof(*request->channels) * n_channels
4602 + ie_len, GFP_KERNEL);
4609 request->ssids = (void *)&request->channels[n_channels];
4610 request->n_ssids = n_ssids;
4613 request->ie = (void *)(request->ssids + n_ssids);
4615 request->ie = (void *)(request->channels + n_channels);
4620 request->match_sets = (void *)(request->ie + ie_len);
4621 else if (request->ssids)
4622 request->match_sets =
4623 (void *)(request->ssids + n_ssids);
4625 request->match_sets =
4626 (void *)(request->channels + n_channels);
4628 request->n_match_sets = n_match_sets;
4631 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
4632 /* user specified, bail out if channel not found */
4633 nla_for_each_nested(attr,
4634 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
4636 struct ieee80211_channel *chan;
4638 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
4645 /* ignore disabled channels */
4646 if (chan->flags & IEEE80211_CHAN_DISABLED)
4649 request->channels[i] = chan;
4654 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
4656 if (!wiphy->bands[band])
4658 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
4659 struct ieee80211_channel *chan;
4661 chan = &wiphy->bands[band]->channels[j];
4663 if (chan->flags & IEEE80211_CHAN_DISABLED)
4666 request->channels[i] = chan;
4677 request->n_channels = i;
4680 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
4681 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
4683 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
4687 request->ssids[i].ssid_len = nla_len(attr);
4688 memcpy(request->ssids[i].ssid, nla_data(attr),
4695 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
4696 nla_for_each_nested(attr,
4697 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
4699 struct nlattr *ssid, *rssi;
4701 nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
4702 nla_data(attr), nla_len(attr),
4703 nl80211_match_policy);
4704 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
4706 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
4710 memcpy(request->match_sets[i].ssid.ssid,
4711 nla_data(ssid), nla_len(ssid));
4712 request->match_sets[i].ssid.ssid_len =
4715 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
4717 request->rssi_thold = nla_get_u32(rssi);
4719 request->rssi_thold =
4720 NL80211_SCAN_RSSI_THOLD_OFF;
4725 if (info->attrs[NL80211_ATTR_IE]) {
4726 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4727 memcpy((void *)request->ie,
4728 nla_data(info->attrs[NL80211_ATTR_IE]),
4732 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
4733 request->flags = nla_get_u32(
4734 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
4735 if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
4736 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
4737 ((request->flags & NL80211_SCAN_FLAG_FLUSH) &&
4738 !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) {
4745 request->wiphy = &rdev->wiphy;
4746 request->interval = interval;
4747 request->scan_start = jiffies;
4749 err = rdev_sched_scan_start(rdev, dev, request);
4751 rdev->sched_scan_req = request;
4752 nl80211_send_sched_scan(rdev, dev,
4753 NL80211_CMD_START_SCHED_SCAN);
4760 mutex_unlock(&rdev->sched_scan_mtx);
4764 static int nl80211_stop_sched_scan(struct sk_buff *skb,
4765 struct genl_info *info)
4767 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4770 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
4771 !rdev->ops->sched_scan_stop)
4774 mutex_lock(&rdev->sched_scan_mtx);
4775 err = __cfg80211_stop_sched_scan(rdev, false);
4776 mutex_unlock(&rdev->sched_scan_mtx);
4781 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
4783 struct cfg80211_registered_device *rdev,
4784 struct wireless_dev *wdev,
4785 struct cfg80211_internal_bss *intbss)
4787 struct cfg80211_bss *res = &intbss->pub;
4791 ASSERT_WDEV_LOCK(wdev);
4793 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
4794 NL80211_CMD_NEW_SCAN_RESULTS);
4798 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
4800 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation) ||
4801 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
4802 goto nla_put_failure;
4804 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
4806 goto nla_put_failure;
4807 if ((!is_zero_ether_addr(res->bssid) &&
4808 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)) ||
4809 (res->information_elements && res->len_information_elements &&
4810 nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
4811 res->len_information_elements,
4812 res->information_elements)) ||
4813 (res->beacon_ies && res->len_beacon_ies &&
4814 res->beacon_ies != res->information_elements &&
4815 nla_put(msg, NL80211_BSS_BEACON_IES,
4816 res->len_beacon_ies, res->beacon_ies)))
4817 goto nla_put_failure;
4819 nla_put_u64(msg, NL80211_BSS_TSF, res->tsf))
4820 goto nla_put_failure;
4821 if (res->beacon_interval &&
4822 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
4823 goto nla_put_failure;
4824 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
4825 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
4826 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
4827 jiffies_to_msecs(jiffies - intbss->ts)))
4828 goto nla_put_failure;
4830 switch (rdev->wiphy.signal_type) {
4831 case CFG80211_SIGNAL_TYPE_MBM:
4832 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
4833 goto nla_put_failure;
4835 case CFG80211_SIGNAL_TYPE_UNSPEC:
4836 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
4837 goto nla_put_failure;
4843 switch (wdev->iftype) {
4844 case NL80211_IFTYPE_P2P_CLIENT:
4845 case NL80211_IFTYPE_STATION:
4846 if (intbss == wdev->current_bss &&
4847 nla_put_u32(msg, NL80211_BSS_STATUS,
4848 NL80211_BSS_STATUS_ASSOCIATED))
4849 goto nla_put_failure;
4851 case NL80211_IFTYPE_ADHOC:
4852 if (intbss == wdev->current_bss &&
4853 nla_put_u32(msg, NL80211_BSS_STATUS,
4854 NL80211_BSS_STATUS_IBSS_JOINED))
4855 goto nla_put_failure;
4861 nla_nest_end(msg, bss);
4863 return genlmsg_end(msg, hdr);
4866 genlmsg_cancel(msg, hdr);
4870 static int nl80211_dump_scan(struct sk_buff *skb,
4871 struct netlink_callback *cb)
4873 struct cfg80211_registered_device *rdev;
4874 struct net_device *dev;
4875 struct cfg80211_internal_bss *scan;
4876 struct wireless_dev *wdev;
4877 int start = cb->args[1], idx = 0;
4880 err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev);
4884 wdev = dev->ieee80211_ptr;
4887 spin_lock_bh(&rdev->bss_lock);
4888 cfg80211_bss_expire(rdev);
4890 cb->seq = rdev->bss_generation;
4892 list_for_each_entry(scan, &rdev->bss_list, list) {
4895 if (nl80211_send_bss(skb, cb,
4896 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4897 rdev, wdev, scan) < 0) {
4903 spin_unlock_bh(&rdev->bss_lock);
4907 nl80211_finish_netdev_dump(rdev);
4912 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
4913 int flags, struct net_device *dev,
4914 struct survey_info *survey)
4917 struct nlattr *infoattr;
4919 hdr = nl80211hdr_put(msg, portid, seq, flags,
4920 NL80211_CMD_NEW_SURVEY_RESULTS);
4924 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
4925 goto nla_put_failure;
4927 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
4929 goto nla_put_failure;
4931 if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
4932 survey->channel->center_freq))
4933 goto nla_put_failure;
4935 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
4936 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
4937 goto nla_put_failure;
4938 if ((survey->filled & SURVEY_INFO_IN_USE) &&
4939 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
4940 goto nla_put_failure;
4941 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) &&
4942 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
4943 survey->channel_time))
4944 goto nla_put_failure;
4945 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) &&
4946 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
4947 survey->channel_time_busy))
4948 goto nla_put_failure;
4949 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) &&
4950 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
4951 survey->channel_time_ext_busy))
4952 goto nla_put_failure;
4953 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) &&
4954 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
4955 survey->channel_time_rx))
4956 goto nla_put_failure;
4957 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) &&
4958 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
4959 survey->channel_time_tx))
4960 goto nla_put_failure;
4962 nla_nest_end(msg, infoattr);
4964 return genlmsg_end(msg, hdr);
4967 genlmsg_cancel(msg, hdr);
4971 static int nl80211_dump_survey(struct sk_buff *skb,
4972 struct netlink_callback *cb)
4974 struct survey_info survey;
4975 struct cfg80211_registered_device *dev;
4976 struct net_device *netdev;
4977 int survey_idx = cb->args[1];
4980 res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
4984 if (!dev->ops->dump_survey) {
4990 struct ieee80211_channel *chan;
4992 res = rdev_dump_survey(dev, netdev, survey_idx, &survey);
4998 /* Survey without a channel doesn't make sense */
4999 if (!survey.channel) {
5004 chan = ieee80211_get_channel(&dev->wiphy,
5005 survey.channel->center_freq);
5006 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
5011 if (nl80211_send_survey(skb,
5012 NETLINK_CB(cb->skb).portid,
5013 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5021 cb->args[1] = survey_idx;
5024 nl80211_finish_netdev_dump(dev);
5028 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
5030 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
5031 NL80211_WPA_VERSION_2));
5034 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
5036 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5037 struct net_device *dev = info->user_ptr[1];
5038 struct ieee80211_channel *chan;
5039 const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL;
5040 int err, ssid_len, ie_len = 0, sae_data_len = 0;
5041 enum nl80211_auth_type auth_type;
5042 struct key_parse key;
5043 bool local_state_change;
5045 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5048 if (!info->attrs[NL80211_ATTR_MAC])
5051 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
5054 if (!info->attrs[NL80211_ATTR_SSID])
5057 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
5060 err = nl80211_parse_key(info, &key);
5065 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
5067 if (!key.p.key || !key.p.key_len)
5069 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
5070 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
5071 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
5072 key.p.key_len != WLAN_KEY_LEN_WEP104))
5084 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
5085 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
5094 if (!rdev->ops->auth)
5097 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5098 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5101 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5102 chan = ieee80211_get_channel(&rdev->wiphy,
5103 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
5104 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
5107 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5108 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
5110 if (info->attrs[NL80211_ATTR_IE]) {
5111 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
5112 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5115 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
5116 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
5119 if (auth_type == NL80211_AUTHTYPE_SAE &&
5120 !info->attrs[NL80211_ATTR_SAE_DATA])
5123 if (info->attrs[NL80211_ATTR_SAE_DATA]) {
5124 if (auth_type != NL80211_AUTHTYPE_SAE)
5126 sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]);
5127 sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]);
5128 /* need to include at least Auth Transaction and Status Code */
5129 if (sae_data_len < 4)
5133 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
5136 * Since we no longer track auth state, ignore
5137 * requests to only change local state.
5139 if (local_state_change)
5142 return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
5143 ssid, ssid_len, ie, ie_len,
5144 key.p.key, key.p.key_len, key.idx,
5145 sae_data, sae_data_len);
5148 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
5149 struct genl_info *info,
5150 struct cfg80211_crypto_settings *settings,
5153 memset(settings, 0, sizeof(*settings));
5155 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
5157 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
5159 proto = nla_get_u16(
5160 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
5161 settings->control_port_ethertype = cpu_to_be16(proto);
5162 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
5165 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
5166 settings->control_port_no_encrypt = true;
5168 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
5170 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
5174 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
5175 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
5176 settings->n_ciphers_pairwise = len / sizeof(u32);
5178 if (len % sizeof(u32))
5181 if (settings->n_ciphers_pairwise > cipher_limit)
5184 memcpy(settings->ciphers_pairwise, data, len);
5186 for (i = 0; i < settings->n_ciphers_pairwise; i++)
5187 if (!cfg80211_supported_cipher_suite(
5189 settings->ciphers_pairwise[i]))
5193 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
5194 settings->cipher_group =
5195 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
5196 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
5197 settings->cipher_group))
5201 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
5202 settings->wpa_versions =
5203 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
5204 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
5208 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
5212 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
5213 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
5214 settings->n_akm_suites = len / sizeof(u32);
5216 if (len % sizeof(u32))
5219 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
5222 memcpy(settings->akm_suites, data, len);
5228 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
5230 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5231 struct net_device *dev = info->user_ptr[1];
5232 struct cfg80211_crypto_settings crypto;
5233 struct ieee80211_channel *chan;
5234 const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL;
5235 int err, ssid_len, ie_len = 0;
5236 bool use_mfp = false;
5238 struct ieee80211_ht_cap *ht_capa = NULL;
5239 struct ieee80211_ht_cap *ht_capa_mask = NULL;
5241 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5244 if (!info->attrs[NL80211_ATTR_MAC] ||
5245 !info->attrs[NL80211_ATTR_SSID] ||
5246 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
5249 if (!rdev->ops->assoc)
5252 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5253 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5256 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5258 chan = ieee80211_get_channel(&rdev->wiphy,
5259 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
5260 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
5263 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5264 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
5266 if (info->attrs[NL80211_ATTR_IE]) {
5267 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
5268 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5271 if (info->attrs[NL80211_ATTR_USE_MFP]) {
5272 enum nl80211_mfp mfp =
5273 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
5274 if (mfp == NL80211_MFP_REQUIRED)
5276 else if (mfp != NL80211_MFP_NO)
5280 if (info->attrs[NL80211_ATTR_PREV_BSSID])
5281 prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
5283 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
5284 flags |= ASSOC_REQ_DISABLE_HT;
5286 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
5288 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]);
5290 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
5293 ht_capa = nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5296 err = nl80211_crypto_settings(rdev, info, &crypto, 1);
5298 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid,
5299 ssid, ssid_len, ie, ie_len, use_mfp,
5300 &crypto, flags, ht_capa,
5306 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
5308 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5309 struct net_device *dev = info->user_ptr[1];
5310 const u8 *ie = NULL, *bssid;
5313 bool local_state_change;
5315 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5318 if (!info->attrs[NL80211_ATTR_MAC])
5321 if (!info->attrs[NL80211_ATTR_REASON_CODE])
5324 if (!rdev->ops->deauth)
5327 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5328 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5331 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5333 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5334 if (reason_code == 0) {
5335 /* Reason Code 0 is reserved */
5339 if (info->attrs[NL80211_ATTR_IE]) {
5340 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
5341 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5344 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
5346 return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
5347 local_state_change);
5350 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
5352 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5353 struct net_device *dev = info->user_ptr[1];
5354 const u8 *ie = NULL, *bssid;
5357 bool local_state_change;
5359 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5362 if (!info->attrs[NL80211_ATTR_MAC])
5365 if (!info->attrs[NL80211_ATTR_REASON_CODE])
5368 if (!rdev->ops->disassoc)
5371 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5372 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5375 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5377 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5378 if (reason_code == 0) {
5379 /* Reason Code 0 is reserved */
5383 if (info->attrs[NL80211_ATTR_IE]) {
5384 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
5385 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5388 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
5390 return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
5391 local_state_change);
5395 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
5396 int mcast_rate[IEEE80211_NUM_BANDS],
5399 struct wiphy *wiphy = &rdev->wiphy;
5403 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5404 struct ieee80211_supported_band *sband;
5406 sband = wiphy->bands[band];
5410 for (i = 0; i < sband->n_bitrates; i++) {
5411 if (sband->bitrates[i].bitrate == rateval) {
5412 mcast_rate[band] = i + 1;
5422 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
5424 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5425 struct net_device *dev = info->user_ptr[1];
5426 struct cfg80211_ibss_params ibss;
5427 struct wiphy *wiphy;
5428 struct cfg80211_cached_keys *connkeys = NULL;
5431 memset(&ibss, 0, sizeof(ibss));
5433 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5436 if (!info->attrs[NL80211_ATTR_SSID] ||
5437 !nla_len(info->attrs[NL80211_ATTR_SSID]))
5440 ibss.beacon_interval = 100;
5442 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
5443 ibss.beacon_interval =
5444 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5445 if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
5449 if (!rdev->ops->join_ibss)
5452 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
5455 wiphy = &rdev->wiphy;
5457 if (info->attrs[NL80211_ATTR_MAC]) {
5458 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5460 if (!is_valid_ether_addr(ibss.bssid))
5463 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5464 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
5466 if (info->attrs[NL80211_ATTR_IE]) {
5467 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
5468 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5471 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
5475 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef))
5478 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
5479 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5481 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
5483 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
5485 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
5486 struct ieee80211_supported_band *sband =
5487 wiphy->bands[ibss.chandef.chan->band];
5489 err = ieee80211_get_ratemask(sband, rates, n_rates,
5495 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
5496 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
5497 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
5500 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
5503 connkeys = nl80211_parse_connkeys(rdev,
5504 info->attrs[NL80211_ATTR_KEYS],
5506 if (IS_ERR(connkeys))
5507 return PTR_ERR(connkeys);
5509 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
5517 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
5519 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
5525 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
5527 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5528 struct net_device *dev = info->user_ptr[1];
5530 if (!rdev->ops->leave_ibss)
5533 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
5536 return cfg80211_leave_ibss(rdev, dev, false);
5539 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
5541 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5542 struct net_device *dev = info->user_ptr[1];
5543 int mcast_rate[IEEE80211_NUM_BANDS];
5547 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
5548 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5551 if (!rdev->ops->set_mcast_rate)
5554 memset(mcast_rate, 0, sizeof(mcast_rate));
5556 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
5559 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
5560 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
5563 err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
5569 #ifdef CONFIG_NL80211_TESTMODE
5570 static struct genl_multicast_group nl80211_testmode_mcgrp = {
5574 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
5576 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5579 if (!info->attrs[NL80211_ATTR_TESTDATA])
5583 if (rdev->ops->testmode_cmd) {
5584 rdev->testmode_info = info;
5585 err = rdev_testmode_cmd(rdev,
5586 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
5587 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
5588 rdev->testmode_info = NULL;
5594 static int nl80211_testmode_dump(struct sk_buff *skb,
5595 struct netlink_callback *cb)
5597 struct cfg80211_registered_device *rdev;
5605 * 0 is a valid index, but not valid for args[0],
5606 * so we need to offset by 1.
5608 phy_idx = cb->args[0] - 1;
5610 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
5611 nl80211_fam.attrbuf, nl80211_fam.maxattr,
5616 mutex_lock(&cfg80211_mutex);
5617 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
5618 nl80211_fam.attrbuf);
5620 mutex_unlock(&cfg80211_mutex);
5621 return PTR_ERR(rdev);
5623 phy_idx = rdev->wiphy_idx;
5625 mutex_unlock(&cfg80211_mutex);
5627 if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
5629 (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
5633 data = nla_data((void *)cb->args[1]);
5634 data_len = nla_len((void *)cb->args[1]);
5637 mutex_lock(&cfg80211_mutex);
5638 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
5640 mutex_unlock(&cfg80211_mutex);
5643 cfg80211_lock_rdev(rdev);
5644 mutex_unlock(&cfg80211_mutex);
5646 if (!rdev->ops->testmode_dump) {
5652 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
5653 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5654 NL80211_CMD_TESTMODE);
5655 struct nlattr *tmdata;
5657 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
5658 genlmsg_cancel(skb, hdr);
5662 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
5664 genlmsg_cancel(skb, hdr);
5667 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
5668 nla_nest_end(skb, tmdata);
5670 if (err == -ENOBUFS || err == -ENOENT) {
5671 genlmsg_cancel(skb, hdr);
5674 genlmsg_cancel(skb, hdr);
5678 genlmsg_end(skb, hdr);
5683 cb->args[0] = phy_idx + 1;
5685 cfg80211_unlock_rdev(rdev);
5689 static struct sk_buff *
5690 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
5691 int approxlen, u32 portid, u32 seq, gfp_t gfp)
5693 struct sk_buff *skb;
5695 struct nlattr *data;
5697 skb = nlmsg_new(approxlen + 100, gfp);
5701 hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE);
5707 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
5708 goto nla_put_failure;
5709 data = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
5711 ((void **)skb->cb)[0] = rdev;
5712 ((void **)skb->cb)[1] = hdr;
5713 ((void **)skb->cb)[2] = data;
5722 struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
5725 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
5727 if (WARN_ON(!rdev->testmode_info))
5730 return __cfg80211_testmode_alloc_skb(rdev, approxlen,
5731 rdev->testmode_info->snd_portid,
5732 rdev->testmode_info->snd_seq,
5735 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb);
5737 int cfg80211_testmode_reply(struct sk_buff *skb)
5739 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
5740 void *hdr = ((void **)skb->cb)[1];
5741 struct nlattr *data = ((void **)skb->cb)[2];
5743 if (WARN_ON(!rdev->testmode_info)) {
5748 nla_nest_end(skb, data);
5749 genlmsg_end(skb, hdr);
5750 return genlmsg_reply(skb, rdev->testmode_info);
5752 EXPORT_SYMBOL(cfg80211_testmode_reply);
5754 struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy,
5755 int approxlen, gfp_t gfp)
5757 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
5759 return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp);
5761 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb);
5763 void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
5765 void *hdr = ((void **)skb->cb)[1];
5766 struct nlattr *data = ((void **)skb->cb)[2];
5768 nla_nest_end(skb, data);
5769 genlmsg_end(skb, hdr);
5770 genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp);
5772 EXPORT_SYMBOL(cfg80211_testmode_event);
5775 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
5777 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5778 struct net_device *dev = info->user_ptr[1];
5779 struct cfg80211_connect_params connect;
5780 struct wiphy *wiphy;
5781 struct cfg80211_cached_keys *connkeys = NULL;
5784 memset(&connect, 0, sizeof(connect));
5786 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5789 if (!info->attrs[NL80211_ATTR_SSID] ||
5790 !nla_len(info->attrs[NL80211_ATTR_SSID]))
5793 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5795 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
5796 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
5797 NL80211_CMD_CONNECT))
5800 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5802 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
5804 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
5805 NL80211_MAX_NR_CIPHER_SUITES);
5809 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5810 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5813 wiphy = &rdev->wiphy;
5815 connect.bg_scan_period = -1;
5816 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
5817 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
5818 connect.bg_scan_period =
5819 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
5822 if (info->attrs[NL80211_ATTR_MAC])
5823 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5824 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5825 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
5827 if (info->attrs[NL80211_ATTR_IE]) {
5828 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
5829 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5832 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5834 ieee80211_get_channel(wiphy,
5835 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
5836 if (!connect.channel ||
5837 connect.channel->flags & IEEE80211_CHAN_DISABLED)
5841 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
5842 connkeys = nl80211_parse_connkeys(rdev,
5843 info->attrs[NL80211_ATTR_KEYS], NULL);
5844 if (IS_ERR(connkeys))
5845 return PTR_ERR(connkeys);
5848 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
5849 connect.flags |= ASSOC_REQ_DISABLE_HT;
5851 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
5852 memcpy(&connect.ht_capa_mask,
5853 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
5854 sizeof(connect.ht_capa_mask));
5856 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
5857 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
5861 memcpy(&connect.ht_capa,
5862 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
5863 sizeof(connect.ht_capa));
5866 err = cfg80211_connect(rdev, dev, &connect, connkeys);
5872 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
5874 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5875 struct net_device *dev = info->user_ptr[1];
5878 if (!info->attrs[NL80211_ATTR_REASON_CODE])
5879 reason = WLAN_REASON_DEAUTH_LEAVING;
5881 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5886 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5887 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5890 return cfg80211_disconnect(rdev, dev, reason, true);
5893 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
5895 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5900 if (!info->attrs[NL80211_ATTR_PID])
5903 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
5905 net = get_net_ns_by_pid(pid);
5907 return PTR_ERR(net);
5911 /* check if anything to do */
5912 if (!net_eq(wiphy_net(&rdev->wiphy), net))
5913 err = cfg80211_switch_netns(rdev, net);
5919 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
5921 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5922 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
5923 struct cfg80211_pmksa *pmksa) = NULL;
5924 struct net_device *dev = info->user_ptr[1];
5925 struct cfg80211_pmksa pmksa;
5927 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
5929 if (!info->attrs[NL80211_ATTR_MAC])
5932 if (!info->attrs[NL80211_ATTR_PMKID])
5935 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
5936 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5938 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5939 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5942 switch (info->genlhdr->cmd) {
5943 case NL80211_CMD_SET_PMKSA:
5944 rdev_ops = rdev->ops->set_pmksa;
5946 case NL80211_CMD_DEL_PMKSA:
5947 rdev_ops = rdev->ops->del_pmksa;
5957 return rdev_ops(&rdev->wiphy, dev, &pmksa);
5960 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
5962 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5963 struct net_device *dev = info->user_ptr[1];
5965 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5966 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5969 if (!rdev->ops->flush_pmksa)
5972 return rdev_flush_pmksa(rdev, dev);
5975 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
5977 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5978 struct net_device *dev = info->user_ptr[1];
5979 u8 action_code, dialog_token;
5983 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
5984 !rdev->ops->tdls_mgmt)
5987 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
5988 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
5989 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
5990 !info->attrs[NL80211_ATTR_IE] ||
5991 !info->attrs[NL80211_ATTR_MAC])
5994 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
5995 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
5996 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
5997 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
5999 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
6000 dialog_token, status_code,
6001 nla_data(info->attrs[NL80211_ATTR_IE]),
6002 nla_len(info->attrs[NL80211_ATTR_IE]));
6005 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
6007 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6008 struct net_device *dev = info->user_ptr[1];
6009 enum nl80211_tdls_operation operation;
6012 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
6013 !rdev->ops->tdls_oper)
6016 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
6017 !info->attrs[NL80211_ATTR_MAC])
6020 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
6021 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
6023 return rdev_tdls_oper(rdev, dev, peer, operation);
6026 static int nl80211_remain_on_channel(struct sk_buff *skb,
6027 struct genl_info *info)
6029 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6030 struct wireless_dev *wdev = info->user_ptr[1];
6031 struct cfg80211_chan_def chandef;
6032 struct sk_buff *msg;
6038 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
6039 !info->attrs[NL80211_ATTR_DURATION])
6042 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
6044 if (!rdev->ops->remain_on_channel ||
6045 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
6049 * We should be on that channel for at least a minimum amount of
6050 * time (10ms) but no longer than the driver supports.
6052 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
6053 duration > rdev->wiphy.max_remain_on_channel_duration)
6056 err = nl80211_parse_chandef(rdev, info, &chandef);
6060 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6064 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6065 NL80211_CMD_REMAIN_ON_CHANNEL);
6072 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
6078 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
6079 goto nla_put_failure;
6081 genlmsg_end(msg, hdr);
6083 return genlmsg_reply(msg, info);
6092 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
6093 struct genl_info *info)
6095 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6096 struct wireless_dev *wdev = info->user_ptr[1];
6099 if (!info->attrs[NL80211_ATTR_COOKIE])
6102 if (!rdev->ops->cancel_remain_on_channel)
6105 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
6107 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
6110 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
6111 u8 *rates, u8 rates_len)
6116 for (i = 0; i < rates_len; i++) {
6117 int rate = (rates[i] & 0x7f) * 5;
6119 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
6120 struct ieee80211_rate *srate =
6121 &sband->bitrates[ridx];
6122 if (rate == srate->bitrate) {
6127 if (ridx == sband->n_bitrates)
6128 return 0; /* rate not found */
6134 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
6135 u8 *rates, u8 rates_len,
6136 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
6140 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
6142 for (i = 0; i < rates_len; i++) {
6145 ridx = rates[i] / 8;
6146 rbit = BIT(rates[i] % 8);
6148 /* check validity */
6149 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
6152 /* check availability */
6153 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
6162 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
6163 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
6164 .len = NL80211_MAX_SUPP_RATES },
6165 [NL80211_TXRATE_MCS] = { .type = NLA_BINARY,
6166 .len = NL80211_MAX_SUPP_HT_RATES },
6169 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
6170 struct genl_info *info)
6172 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
6173 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6174 struct cfg80211_bitrate_mask mask;
6176 struct net_device *dev = info->user_ptr[1];
6177 struct nlattr *tx_rates;
6178 struct ieee80211_supported_band *sband;
6180 if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
6183 if (!rdev->ops->set_bitrate_mask)
6186 memset(&mask, 0, sizeof(mask));
6187 /* Default to all rates enabled */
6188 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
6189 sband = rdev->wiphy.bands[i];
6190 mask.control[i].legacy =
6191 sband ? (1 << sband->n_bitrates) - 1 : 0;
6193 memcpy(mask.control[i].mcs,
6194 sband->ht_cap.mcs.rx_mask,
6195 sizeof(mask.control[i].mcs));
6197 memset(mask.control[i].mcs, 0,
6198 sizeof(mask.control[i].mcs));
6202 * The nested attribute uses enum nl80211_band as the index. This maps
6203 * directly to the enum ieee80211_band values used in cfg80211.
6205 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
6206 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
6208 enum ieee80211_band band = nla_type(tx_rates);
6209 if (band < 0 || band >= IEEE80211_NUM_BANDS)
6211 sband = rdev->wiphy.bands[band];
6214 nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
6215 nla_len(tx_rates), nl80211_txattr_policy);
6216 if (tb[NL80211_TXRATE_LEGACY]) {
6217 mask.control[band].legacy = rateset_to_mask(
6219 nla_data(tb[NL80211_TXRATE_LEGACY]),
6220 nla_len(tb[NL80211_TXRATE_LEGACY]));
6221 if ((mask.control[band].legacy == 0) &&
6222 nla_len(tb[NL80211_TXRATE_LEGACY]))
6225 if (tb[NL80211_TXRATE_MCS]) {
6226 if (!ht_rateset_to_mask(
6228 nla_data(tb[NL80211_TXRATE_MCS]),
6229 nla_len(tb[NL80211_TXRATE_MCS]),
6230 mask.control[band].mcs))
6234 if (mask.control[band].legacy == 0) {
6235 /* don't allow empty legacy rates if HT
6236 * is not even supported. */
6237 if (!rdev->wiphy.bands[band]->ht_cap.ht_supported)
6240 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
6241 if (mask.control[band].mcs[i])
6244 /* legacy and mcs rates may not be both empty */
6245 if (i == IEEE80211_HT_MCS_MASK_LEN)
6250 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
6253 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
6255 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6256 struct wireless_dev *wdev = info->user_ptr[1];
6257 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
6259 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
6262 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
6263 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
6265 switch (wdev->iftype) {
6266 case NL80211_IFTYPE_STATION:
6267 case NL80211_IFTYPE_ADHOC:
6268 case NL80211_IFTYPE_P2P_CLIENT:
6269 case NL80211_IFTYPE_AP:
6270 case NL80211_IFTYPE_AP_VLAN:
6271 case NL80211_IFTYPE_MESH_POINT:
6272 case NL80211_IFTYPE_P2P_GO:
6273 case NL80211_IFTYPE_P2P_DEVICE:
6279 /* not much point in registering if we can't reply */
6280 if (!rdev->ops->mgmt_tx)
6283 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
6284 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
6285 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
6288 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
6290 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6291 struct wireless_dev *wdev = info->user_ptr[1];
6292 struct cfg80211_chan_def chandef;
6296 struct sk_buff *msg = NULL;
6297 unsigned int wait = 0;
6298 bool offchan, no_cck, dont_wait_for_ack;
6300 dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
6302 if (!info->attrs[NL80211_ATTR_FRAME])
6305 if (!rdev->ops->mgmt_tx)
6308 switch (wdev->iftype) {
6309 case NL80211_IFTYPE_STATION:
6310 case NL80211_IFTYPE_ADHOC:
6311 case NL80211_IFTYPE_P2P_CLIENT:
6312 case NL80211_IFTYPE_AP:
6313 case NL80211_IFTYPE_AP_VLAN:
6314 case NL80211_IFTYPE_MESH_POINT:
6315 case NL80211_IFTYPE_P2P_GO:
6316 case NL80211_IFTYPE_P2P_DEVICE:
6322 if (info->attrs[NL80211_ATTR_DURATION]) {
6323 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
6325 wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
6328 * We should wait on the channel for at least a minimum amount
6329 * of time (10ms) but no longer than the driver supports.
6331 if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
6332 wait > rdev->wiphy.max_remain_on_channel_duration)
6337 offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
6339 if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
6342 no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
6344 err = nl80211_parse_chandef(rdev, info, &chandef);
6348 if (!dont_wait_for_ack) {
6349 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6353 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6362 err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait,
6363 nla_data(info->attrs[NL80211_ATTR_FRAME]),
6364 nla_len(info->attrs[NL80211_ATTR_FRAME]),
6365 no_cck, dont_wait_for_ack, &cookie);
6370 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
6371 goto nla_put_failure;
6373 genlmsg_end(msg, hdr);
6374 return genlmsg_reply(msg, info);
6386 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
6388 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6389 struct wireless_dev *wdev = info->user_ptr[1];
6392 if (!info->attrs[NL80211_ATTR_COOKIE])
6395 if (!rdev->ops->mgmt_tx_cancel_wait)
6398 switch (wdev->iftype) {
6399 case NL80211_IFTYPE_STATION:
6400 case NL80211_IFTYPE_ADHOC:
6401 case NL80211_IFTYPE_P2P_CLIENT:
6402 case NL80211_IFTYPE_AP:
6403 case NL80211_IFTYPE_AP_VLAN:
6404 case NL80211_IFTYPE_P2P_GO:
6405 case NL80211_IFTYPE_P2P_DEVICE:
6411 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
6413 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
6416 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
6418 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6419 struct wireless_dev *wdev;
6420 struct net_device *dev = info->user_ptr[1];
6425 if (!info->attrs[NL80211_ATTR_PS_STATE])
6428 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
6430 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
6433 wdev = dev->ieee80211_ptr;
6435 if (!rdev->ops->set_power_mgmt)
6438 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
6440 if (state == wdev->ps)
6443 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
6449 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
6451 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6452 enum nl80211_ps_state ps_state;
6453 struct wireless_dev *wdev;
6454 struct net_device *dev = info->user_ptr[1];
6455 struct sk_buff *msg;
6459 wdev = dev->ieee80211_ptr;
6461 if (!rdev->ops->set_power_mgmt)
6464 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6468 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6469 NL80211_CMD_GET_POWER_SAVE);
6476 ps_state = NL80211_PS_ENABLED;
6478 ps_state = NL80211_PS_DISABLED;
6480 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
6481 goto nla_put_failure;
6483 genlmsg_end(msg, hdr);
6484 return genlmsg_reply(msg, info);
6493 static struct nla_policy
6494 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
6495 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
6496 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
6497 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
6498 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
6499 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
6500 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
6503 static int nl80211_set_cqm_txe(struct genl_info *info,
6504 u32 rate, u32 pkts, u32 intvl)
6506 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6507 struct wireless_dev *wdev;
6508 struct net_device *dev = info->user_ptr[1];
6510 if ((rate < 0 || rate > 100) ||
6511 (intvl < 0 || intvl > NL80211_CQM_TXE_MAX_INTVL))
6514 wdev = dev->ieee80211_ptr;
6516 if (!rdev->ops->set_cqm_txe_config)
6519 if (wdev->iftype != NL80211_IFTYPE_STATION &&
6520 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
6523 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
6526 static int nl80211_set_cqm_rssi(struct genl_info *info,
6527 s32 threshold, u32 hysteresis)
6529 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6530 struct wireless_dev *wdev;
6531 struct net_device *dev = info->user_ptr[1];
6536 wdev = dev->ieee80211_ptr;
6538 if (!rdev->ops->set_cqm_rssi_config)
6541 if (wdev->iftype != NL80211_IFTYPE_STATION &&
6542 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
6545 return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis);
6548 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
6550 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
6554 cqm = info->attrs[NL80211_ATTR_CQM];
6560 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
6561 nl80211_attr_cqm_policy);
6565 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
6566 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
6569 threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
6570 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
6571 err = nl80211_set_cqm_rssi(info, threshold, hysteresis);
6572 } else if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
6573 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
6574 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
6575 u32 rate, pkts, intvl;
6576 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
6577 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
6578 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
6579 err = nl80211_set_cqm_txe(info, rate, pkts, intvl);
6587 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
6589 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6590 struct net_device *dev = info->user_ptr[1];
6591 struct mesh_config cfg;
6592 struct mesh_setup setup;
6595 /* start with default */
6596 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
6597 memcpy(&setup, &default_mesh_setup, sizeof(setup));
6599 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
6600 /* and parse parameters if given */
6601 err = nl80211_parse_mesh_config(info, &cfg, NULL);
6606 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
6607 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
6610 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
6611 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
6613 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
6614 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
6615 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
6618 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
6619 /* parse additional setup parameters if given */
6620 err = nl80211_parse_mesh_setup(info, &setup);
6625 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
6626 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
6630 /* cfg80211_join_mesh() will sort it out */
6631 setup.chandef.chan = NULL;
6634 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
6637 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
6639 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6640 struct net_device *dev = info->user_ptr[1];
6642 return cfg80211_leave_mesh(rdev, dev);
6646 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
6648 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6649 struct sk_buff *msg;
6652 if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
6655 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6659 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6660 NL80211_CMD_GET_WOWLAN);
6662 goto nla_put_failure;
6665 struct nlattr *nl_wowlan;
6667 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
6669 goto nla_put_failure;
6671 if ((rdev->wowlan->any &&
6672 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
6673 (rdev->wowlan->disconnect &&
6674 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
6675 (rdev->wowlan->magic_pkt &&
6676 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
6677 (rdev->wowlan->gtk_rekey_failure &&
6678 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
6679 (rdev->wowlan->eap_identity_req &&
6680 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
6681 (rdev->wowlan->four_way_handshake &&
6682 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
6683 (rdev->wowlan->rfkill_release &&
6684 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
6685 goto nla_put_failure;
6686 if (rdev->wowlan->n_patterns) {
6687 struct nlattr *nl_pats, *nl_pat;
6690 nl_pats = nla_nest_start(msg,
6691 NL80211_WOWLAN_TRIG_PKT_PATTERN);
6693 goto nla_put_failure;
6695 for (i = 0; i < rdev->wowlan->n_patterns; i++) {
6696 nl_pat = nla_nest_start(msg, i + 1);
6698 goto nla_put_failure;
6699 pat_len = rdev->wowlan->patterns[i].pattern_len;
6700 if (nla_put(msg, NL80211_WOWLAN_PKTPAT_MASK,
6701 DIV_ROUND_UP(pat_len, 8),
6702 rdev->wowlan->patterns[i].mask) ||
6703 nla_put(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
6705 rdev->wowlan->patterns[i].pattern))
6706 goto nla_put_failure;
6707 nla_nest_end(msg, nl_pat);
6709 nla_nest_end(msg, nl_pats);
6712 nla_nest_end(msg, nl_wowlan);
6715 genlmsg_end(msg, hdr);
6716 return genlmsg_reply(msg, info);
6723 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
6725 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6726 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
6727 struct cfg80211_wowlan new_triggers = {};
6728 struct cfg80211_wowlan *ntrig;
6729 struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
6731 bool prev_enabled = rdev->wowlan;
6733 if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
6736 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
6737 cfg80211_rdev_free_wowlan(rdev);
6738 rdev->wowlan = NULL;
6742 err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
6743 nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
6744 nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
6745 nl80211_wowlan_policy);
6749 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
6750 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
6752 new_triggers.any = true;
6755 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
6756 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
6758 new_triggers.disconnect = true;
6761 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
6762 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
6764 new_triggers.magic_pkt = true;
6767 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
6770 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
6771 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
6773 new_triggers.gtk_rekey_failure = true;
6776 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
6777 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
6779 new_triggers.eap_identity_req = true;
6782 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
6783 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
6785 new_triggers.four_way_handshake = true;
6788 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
6789 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
6791 new_triggers.rfkill_release = true;
6794 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
6797 int rem, pat_len, mask_len;
6798 struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT];
6800 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
6803 if (n_patterns > wowlan->n_patterns)
6806 new_triggers.patterns = kcalloc(n_patterns,
6807 sizeof(new_triggers.patterns[0]),
6809 if (!new_triggers.patterns)
6812 new_triggers.n_patterns = n_patterns;
6815 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
6817 nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT,
6818 nla_data(pat), nla_len(pat), NULL);
6820 if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] ||
6821 !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN])
6823 pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]);
6824 mask_len = DIV_ROUND_UP(pat_len, 8);
6825 if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) !=
6828 if (pat_len > wowlan->pattern_max_len ||
6829 pat_len < wowlan->pattern_min_len)
6832 new_triggers.patterns[i].mask =
6833 kmalloc(mask_len + pat_len, GFP_KERNEL);
6834 if (!new_triggers.patterns[i].mask) {
6838 new_triggers.patterns[i].pattern =
6839 new_triggers.patterns[i].mask + mask_len;
6840 memcpy(new_triggers.patterns[i].mask,
6841 nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]),
6843 new_triggers.patterns[i].pattern_len = pat_len;
6844 memcpy(new_triggers.patterns[i].pattern,
6845 nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]),
6851 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
6856 cfg80211_rdev_free_wowlan(rdev);
6857 rdev->wowlan = ntrig;
6860 if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan)
6861 rdev_set_wakeup(rdev, rdev->wowlan);
6865 for (i = 0; i < new_triggers.n_patterns; i++)
6866 kfree(new_triggers.patterns[i].mask);
6867 kfree(new_triggers.patterns);
6872 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
6874 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6875 struct net_device *dev = info->user_ptr[1];
6876 struct wireless_dev *wdev = dev->ieee80211_ptr;
6877 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
6878 struct cfg80211_gtk_rekey_data rekey_data;
6881 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
6884 err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
6885 nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
6886 nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
6887 nl80211_rekey_policy);
6891 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
6893 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
6895 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
6898 memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
6900 memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
6902 memcpy(rekey_data.replay_ctr,
6903 nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
6904 NL80211_REPLAY_CTR_LEN);
6907 if (!wdev->current_bss) {
6912 if (!rdev->ops->set_rekey_data) {
6917 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
6923 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
6924 struct genl_info *info)
6926 struct net_device *dev = info->user_ptr[1];
6927 struct wireless_dev *wdev = dev->ieee80211_ptr;
6929 if (wdev->iftype != NL80211_IFTYPE_AP &&
6930 wdev->iftype != NL80211_IFTYPE_P2P_GO)
6933 if (wdev->ap_unexpected_nlportid)
6936 wdev->ap_unexpected_nlportid = info->snd_portid;
6940 static int nl80211_probe_client(struct sk_buff *skb,
6941 struct genl_info *info)
6943 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6944 struct net_device *dev = info->user_ptr[1];
6945 struct wireless_dev *wdev = dev->ieee80211_ptr;
6946 struct sk_buff *msg;
6952 if (wdev->iftype != NL80211_IFTYPE_AP &&
6953 wdev->iftype != NL80211_IFTYPE_P2P_GO)
6956 if (!info->attrs[NL80211_ATTR_MAC])
6959 if (!rdev->ops->probe_client)
6962 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6966 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6967 NL80211_CMD_PROBE_CLIENT);
6974 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6976 err = rdev_probe_client(rdev, dev, addr, &cookie);
6980 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
6981 goto nla_put_failure;
6983 genlmsg_end(msg, hdr);
6985 return genlmsg_reply(msg, info);
6994 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
6996 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6997 struct cfg80211_beacon_registration *reg, *nreg;
7000 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
7003 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
7007 /* First, check if already registered. */
7008 spin_lock_bh(&rdev->beacon_registrations_lock);
7009 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
7010 if (reg->nlportid == info->snd_portid) {
7015 /* Add it to the list */
7016 nreg->nlportid = info->snd_portid;
7017 list_add(&nreg->list, &rdev->beacon_registrations);
7019 spin_unlock_bh(&rdev->beacon_registrations_lock);
7023 spin_unlock_bh(&rdev->beacon_registrations_lock);
7028 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
7030 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7031 struct wireless_dev *wdev = info->user_ptr[1];
7034 if (!rdev->ops->start_p2p_device)
7037 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
7040 if (wdev->p2p_started)
7043 mutex_lock(&rdev->devlist_mtx);
7044 err = cfg80211_can_add_interface(rdev, wdev->iftype);
7045 mutex_unlock(&rdev->devlist_mtx);
7049 err = rdev_start_p2p_device(rdev, wdev);
7053 wdev->p2p_started = true;
7054 mutex_lock(&rdev->devlist_mtx);
7056 mutex_unlock(&rdev->devlist_mtx);
7061 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
7063 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7064 struct wireless_dev *wdev = info->user_ptr[1];
7066 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
7069 if (!rdev->ops->stop_p2p_device)
7072 if (!wdev->p2p_started)
7075 rdev_stop_p2p_device(rdev, wdev);
7076 wdev->p2p_started = false;
7078 mutex_lock(&rdev->devlist_mtx);
7080 mutex_unlock(&rdev->devlist_mtx);
7082 if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
7083 rdev->scan_req->aborted = true;
7084 ___cfg80211_scan_done(rdev, true);
7090 #define NL80211_FLAG_NEED_WIPHY 0x01
7091 #define NL80211_FLAG_NEED_NETDEV 0x02
7092 #define NL80211_FLAG_NEED_RTNL 0x04
7093 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
7094 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
7095 NL80211_FLAG_CHECK_NETDEV_UP)
7096 #define NL80211_FLAG_NEED_WDEV 0x10
7097 /* If a netdev is associated, it must be UP, P2P must be started */
7098 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
7099 NL80211_FLAG_CHECK_NETDEV_UP)
7101 static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
7102 struct genl_info *info)
7104 struct cfg80211_registered_device *rdev;
7105 struct wireless_dev *wdev;
7106 struct net_device *dev;
7107 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
7112 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
7113 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7117 return PTR_ERR(rdev);
7119 info->user_ptr[0] = rdev;
7120 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
7121 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
7122 mutex_lock(&cfg80211_mutex);
7123 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
7126 mutex_unlock(&cfg80211_mutex);
7129 return PTR_ERR(wdev);
7133 rdev = wiphy_to_dev(wdev->wiphy);
7135 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
7137 mutex_unlock(&cfg80211_mutex);
7143 info->user_ptr[1] = dev;
7145 info->user_ptr[1] = wdev;
7149 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
7150 !netif_running(dev)) {
7151 mutex_unlock(&cfg80211_mutex);
7158 } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
7159 if (!wdev->p2p_started) {
7160 mutex_unlock(&cfg80211_mutex);
7167 cfg80211_lock_rdev(rdev);
7169 mutex_unlock(&cfg80211_mutex);
7171 info->user_ptr[0] = rdev;
7177 static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
7178 struct genl_info *info)
7180 if (info->user_ptr[0])
7181 cfg80211_unlock_rdev(info->user_ptr[0]);
7182 if (info->user_ptr[1]) {
7183 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
7184 struct wireless_dev *wdev = info->user_ptr[1];
7187 dev_put(wdev->netdev);
7189 dev_put(info->user_ptr[1]);
7192 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
7196 static struct genl_ops nl80211_ops[] = {
7198 .cmd = NL80211_CMD_GET_WIPHY,
7199 .doit = nl80211_get_wiphy,
7200 .dumpit = nl80211_dump_wiphy,
7201 .policy = nl80211_policy,
7202 /* can be retrieved by unprivileged users */
7203 .internal_flags = NL80211_FLAG_NEED_WIPHY,
7206 .cmd = NL80211_CMD_SET_WIPHY,
7207 .doit = nl80211_set_wiphy,
7208 .policy = nl80211_policy,
7209 .flags = GENL_ADMIN_PERM,
7210 .internal_flags = NL80211_FLAG_NEED_RTNL,
7213 .cmd = NL80211_CMD_GET_INTERFACE,
7214 .doit = nl80211_get_interface,
7215 .dumpit = nl80211_dump_interface,
7216 .policy = nl80211_policy,
7217 /* can be retrieved by unprivileged users */
7218 .internal_flags = NL80211_FLAG_NEED_WDEV,
7221 .cmd = NL80211_CMD_SET_INTERFACE,
7222 .doit = nl80211_set_interface,
7223 .policy = nl80211_policy,
7224 .flags = GENL_ADMIN_PERM,
7225 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7226 NL80211_FLAG_NEED_RTNL,
7229 .cmd = NL80211_CMD_NEW_INTERFACE,
7230 .doit = nl80211_new_interface,
7231 .policy = nl80211_policy,
7232 .flags = GENL_ADMIN_PERM,
7233 .internal_flags = NL80211_FLAG_NEED_WIPHY |
7234 NL80211_FLAG_NEED_RTNL,
7237 .cmd = NL80211_CMD_DEL_INTERFACE,
7238 .doit = nl80211_del_interface,
7239 .policy = nl80211_policy,
7240 .flags = GENL_ADMIN_PERM,
7241 .internal_flags = NL80211_FLAG_NEED_WDEV |
7242 NL80211_FLAG_NEED_RTNL,
7245 .cmd = NL80211_CMD_GET_KEY,
7246 .doit = nl80211_get_key,
7247 .policy = nl80211_policy,
7248 .flags = GENL_ADMIN_PERM,
7249 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7250 NL80211_FLAG_NEED_RTNL,
7253 .cmd = NL80211_CMD_SET_KEY,
7254 .doit = nl80211_set_key,
7255 .policy = nl80211_policy,
7256 .flags = GENL_ADMIN_PERM,
7257 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7258 NL80211_FLAG_NEED_RTNL,
7261 .cmd = NL80211_CMD_NEW_KEY,
7262 .doit = nl80211_new_key,
7263 .policy = nl80211_policy,
7264 .flags = GENL_ADMIN_PERM,
7265 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7266 NL80211_FLAG_NEED_RTNL,
7269 .cmd = NL80211_CMD_DEL_KEY,
7270 .doit = nl80211_del_key,
7271 .policy = nl80211_policy,
7272 .flags = GENL_ADMIN_PERM,
7273 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7274 NL80211_FLAG_NEED_RTNL,
7277 .cmd = NL80211_CMD_SET_BEACON,
7278 .policy = nl80211_policy,
7279 .flags = GENL_ADMIN_PERM,
7280 .doit = nl80211_set_beacon,
7281 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7282 NL80211_FLAG_NEED_RTNL,
7285 .cmd = NL80211_CMD_START_AP,
7286 .policy = nl80211_policy,
7287 .flags = GENL_ADMIN_PERM,
7288 .doit = nl80211_start_ap,
7289 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7290 NL80211_FLAG_NEED_RTNL,
7293 .cmd = NL80211_CMD_STOP_AP,
7294 .policy = nl80211_policy,
7295 .flags = GENL_ADMIN_PERM,
7296 .doit = nl80211_stop_ap,
7297 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7298 NL80211_FLAG_NEED_RTNL,
7301 .cmd = NL80211_CMD_GET_STATION,
7302 .doit = nl80211_get_station,
7303 .dumpit = nl80211_dump_station,
7304 .policy = nl80211_policy,
7305 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7306 NL80211_FLAG_NEED_RTNL,
7309 .cmd = NL80211_CMD_SET_STATION,
7310 .doit = nl80211_set_station,
7311 .policy = nl80211_policy,
7312 .flags = GENL_ADMIN_PERM,
7313 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7314 NL80211_FLAG_NEED_RTNL,
7317 .cmd = NL80211_CMD_NEW_STATION,
7318 .doit = nl80211_new_station,
7319 .policy = nl80211_policy,
7320 .flags = GENL_ADMIN_PERM,
7321 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7322 NL80211_FLAG_NEED_RTNL,
7325 .cmd = NL80211_CMD_DEL_STATION,
7326 .doit = nl80211_del_station,
7327 .policy = nl80211_policy,
7328 .flags = GENL_ADMIN_PERM,
7329 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7330 NL80211_FLAG_NEED_RTNL,
7333 .cmd = NL80211_CMD_GET_MPATH,
7334 .doit = nl80211_get_mpath,
7335 .dumpit = nl80211_dump_mpath,
7336 .policy = nl80211_policy,
7337 .flags = GENL_ADMIN_PERM,
7338 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7339 NL80211_FLAG_NEED_RTNL,
7342 .cmd = NL80211_CMD_SET_MPATH,
7343 .doit = nl80211_set_mpath,
7344 .policy = nl80211_policy,
7345 .flags = GENL_ADMIN_PERM,
7346 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7347 NL80211_FLAG_NEED_RTNL,
7350 .cmd = NL80211_CMD_NEW_MPATH,
7351 .doit = nl80211_new_mpath,
7352 .policy = nl80211_policy,
7353 .flags = GENL_ADMIN_PERM,
7354 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7355 NL80211_FLAG_NEED_RTNL,
7358 .cmd = NL80211_CMD_DEL_MPATH,
7359 .doit = nl80211_del_mpath,
7360 .policy = nl80211_policy,
7361 .flags = GENL_ADMIN_PERM,
7362 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7363 NL80211_FLAG_NEED_RTNL,
7366 .cmd = NL80211_CMD_SET_BSS,
7367 .doit = nl80211_set_bss,
7368 .policy = nl80211_policy,
7369 .flags = GENL_ADMIN_PERM,
7370 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7371 NL80211_FLAG_NEED_RTNL,
7374 .cmd = NL80211_CMD_GET_REG,
7375 .doit = nl80211_get_reg,
7376 .policy = nl80211_policy,
7377 /* can be retrieved by unprivileged users */
7380 .cmd = NL80211_CMD_SET_REG,
7381 .doit = nl80211_set_reg,
7382 .policy = nl80211_policy,
7383 .flags = GENL_ADMIN_PERM,
7386 .cmd = NL80211_CMD_REQ_SET_REG,
7387 .doit = nl80211_req_set_reg,
7388 .policy = nl80211_policy,
7389 .flags = GENL_ADMIN_PERM,
7392 .cmd = NL80211_CMD_GET_MESH_CONFIG,
7393 .doit = nl80211_get_mesh_config,
7394 .policy = nl80211_policy,
7395 /* can be retrieved by unprivileged users */
7396 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7397 NL80211_FLAG_NEED_RTNL,
7400 .cmd = NL80211_CMD_SET_MESH_CONFIG,
7401 .doit = nl80211_update_mesh_config,
7402 .policy = nl80211_policy,
7403 .flags = GENL_ADMIN_PERM,
7404 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7405 NL80211_FLAG_NEED_RTNL,
7408 .cmd = NL80211_CMD_TRIGGER_SCAN,
7409 .doit = nl80211_trigger_scan,
7410 .policy = nl80211_policy,
7411 .flags = GENL_ADMIN_PERM,
7412 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
7413 NL80211_FLAG_NEED_RTNL,
7416 .cmd = NL80211_CMD_GET_SCAN,
7417 .policy = nl80211_policy,
7418 .dumpit = nl80211_dump_scan,
7421 .cmd = NL80211_CMD_START_SCHED_SCAN,
7422 .doit = nl80211_start_sched_scan,
7423 .policy = nl80211_policy,
7424 .flags = GENL_ADMIN_PERM,
7425 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7426 NL80211_FLAG_NEED_RTNL,
7429 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
7430 .doit = nl80211_stop_sched_scan,
7431 .policy = nl80211_policy,
7432 .flags = GENL_ADMIN_PERM,
7433 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7434 NL80211_FLAG_NEED_RTNL,
7437 .cmd = NL80211_CMD_AUTHENTICATE,
7438 .doit = nl80211_authenticate,
7439 .policy = nl80211_policy,
7440 .flags = GENL_ADMIN_PERM,
7441 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7442 NL80211_FLAG_NEED_RTNL,
7445 .cmd = NL80211_CMD_ASSOCIATE,
7446 .doit = nl80211_associate,
7447 .policy = nl80211_policy,
7448 .flags = GENL_ADMIN_PERM,
7449 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7450 NL80211_FLAG_NEED_RTNL,
7453 .cmd = NL80211_CMD_DEAUTHENTICATE,
7454 .doit = nl80211_deauthenticate,
7455 .policy = nl80211_policy,
7456 .flags = GENL_ADMIN_PERM,
7457 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7458 NL80211_FLAG_NEED_RTNL,
7461 .cmd = NL80211_CMD_DISASSOCIATE,
7462 .doit = nl80211_disassociate,
7463 .policy = nl80211_policy,
7464 .flags = GENL_ADMIN_PERM,
7465 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7466 NL80211_FLAG_NEED_RTNL,
7469 .cmd = NL80211_CMD_JOIN_IBSS,
7470 .doit = nl80211_join_ibss,
7471 .policy = nl80211_policy,
7472 .flags = GENL_ADMIN_PERM,
7473 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7474 NL80211_FLAG_NEED_RTNL,
7477 .cmd = NL80211_CMD_LEAVE_IBSS,
7478 .doit = nl80211_leave_ibss,
7479 .policy = nl80211_policy,
7480 .flags = GENL_ADMIN_PERM,
7481 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7482 NL80211_FLAG_NEED_RTNL,
7484 #ifdef CONFIG_NL80211_TESTMODE
7486 .cmd = NL80211_CMD_TESTMODE,
7487 .doit = nl80211_testmode_do,
7488 .dumpit = nl80211_testmode_dump,
7489 .policy = nl80211_policy,
7490 .flags = GENL_ADMIN_PERM,
7491 .internal_flags = NL80211_FLAG_NEED_WIPHY |
7492 NL80211_FLAG_NEED_RTNL,
7496 .cmd = NL80211_CMD_CONNECT,
7497 .doit = nl80211_connect,
7498 .policy = nl80211_policy,
7499 .flags = GENL_ADMIN_PERM,
7500 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7501 NL80211_FLAG_NEED_RTNL,
7504 .cmd = NL80211_CMD_DISCONNECT,
7505 .doit = nl80211_disconnect,
7506 .policy = nl80211_policy,
7507 .flags = GENL_ADMIN_PERM,
7508 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7509 NL80211_FLAG_NEED_RTNL,
7512 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
7513 .doit = nl80211_wiphy_netns,
7514 .policy = nl80211_policy,
7515 .flags = GENL_ADMIN_PERM,
7516 .internal_flags = NL80211_FLAG_NEED_WIPHY |
7517 NL80211_FLAG_NEED_RTNL,
7520 .cmd = NL80211_CMD_GET_SURVEY,
7521 .policy = nl80211_policy,
7522 .dumpit = nl80211_dump_survey,
7525 .cmd = NL80211_CMD_SET_PMKSA,
7526 .doit = nl80211_setdel_pmksa,
7527 .policy = nl80211_policy,
7528 .flags = GENL_ADMIN_PERM,
7529 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7530 NL80211_FLAG_NEED_RTNL,
7533 .cmd = NL80211_CMD_DEL_PMKSA,
7534 .doit = nl80211_setdel_pmksa,
7535 .policy = nl80211_policy,
7536 .flags = GENL_ADMIN_PERM,
7537 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7538 NL80211_FLAG_NEED_RTNL,
7541 .cmd = NL80211_CMD_FLUSH_PMKSA,
7542 .doit = nl80211_flush_pmksa,
7543 .policy = nl80211_policy,
7544 .flags = GENL_ADMIN_PERM,
7545 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7546 NL80211_FLAG_NEED_RTNL,
7549 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
7550 .doit = nl80211_remain_on_channel,
7551 .policy = nl80211_policy,
7552 .flags = GENL_ADMIN_PERM,
7553 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
7554 NL80211_FLAG_NEED_RTNL,
7557 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
7558 .doit = nl80211_cancel_remain_on_channel,
7559 .policy = nl80211_policy,
7560 .flags = GENL_ADMIN_PERM,
7561 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
7562 NL80211_FLAG_NEED_RTNL,
7565 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
7566 .doit = nl80211_set_tx_bitrate_mask,
7567 .policy = nl80211_policy,
7568 .flags = GENL_ADMIN_PERM,
7569 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7570 NL80211_FLAG_NEED_RTNL,
7573 .cmd = NL80211_CMD_REGISTER_FRAME,
7574 .doit = nl80211_register_mgmt,
7575 .policy = nl80211_policy,
7576 .flags = GENL_ADMIN_PERM,
7577 .internal_flags = NL80211_FLAG_NEED_WDEV |
7578 NL80211_FLAG_NEED_RTNL,
7581 .cmd = NL80211_CMD_FRAME,
7582 .doit = nl80211_tx_mgmt,
7583 .policy = nl80211_policy,
7584 .flags = GENL_ADMIN_PERM,
7585 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
7586 NL80211_FLAG_NEED_RTNL,
7589 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
7590 .doit = nl80211_tx_mgmt_cancel_wait,
7591 .policy = nl80211_policy,
7592 .flags = GENL_ADMIN_PERM,
7593 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
7594 NL80211_FLAG_NEED_RTNL,
7597 .cmd = NL80211_CMD_SET_POWER_SAVE,
7598 .doit = nl80211_set_power_save,
7599 .policy = nl80211_policy,
7600 .flags = GENL_ADMIN_PERM,
7601 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7602 NL80211_FLAG_NEED_RTNL,
7605 .cmd = NL80211_CMD_GET_POWER_SAVE,
7606 .doit = nl80211_get_power_save,
7607 .policy = nl80211_policy,
7608 /* can be retrieved by unprivileged users */
7609 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7610 NL80211_FLAG_NEED_RTNL,
7613 .cmd = NL80211_CMD_SET_CQM,
7614 .doit = nl80211_set_cqm,
7615 .policy = nl80211_policy,
7616 .flags = GENL_ADMIN_PERM,
7617 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7618 NL80211_FLAG_NEED_RTNL,
7621 .cmd = NL80211_CMD_SET_CHANNEL,
7622 .doit = nl80211_set_channel,
7623 .policy = nl80211_policy,
7624 .flags = GENL_ADMIN_PERM,
7625 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7626 NL80211_FLAG_NEED_RTNL,
7629 .cmd = NL80211_CMD_SET_WDS_PEER,
7630 .doit = nl80211_set_wds_peer,
7631 .policy = nl80211_policy,
7632 .flags = GENL_ADMIN_PERM,
7633 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7634 NL80211_FLAG_NEED_RTNL,
7637 .cmd = NL80211_CMD_JOIN_MESH,
7638 .doit = nl80211_join_mesh,
7639 .policy = nl80211_policy,
7640 .flags = GENL_ADMIN_PERM,
7641 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7642 NL80211_FLAG_NEED_RTNL,
7645 .cmd = NL80211_CMD_LEAVE_MESH,
7646 .doit = nl80211_leave_mesh,
7647 .policy = nl80211_policy,
7648 .flags = GENL_ADMIN_PERM,
7649 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7650 NL80211_FLAG_NEED_RTNL,
7654 .cmd = NL80211_CMD_GET_WOWLAN,
7655 .doit = nl80211_get_wowlan,
7656 .policy = nl80211_policy,
7657 /* can be retrieved by unprivileged users */
7658 .internal_flags = NL80211_FLAG_NEED_WIPHY |
7659 NL80211_FLAG_NEED_RTNL,
7662 .cmd = NL80211_CMD_SET_WOWLAN,
7663 .doit = nl80211_set_wowlan,
7664 .policy = nl80211_policy,
7665 .flags = GENL_ADMIN_PERM,
7666 .internal_flags = NL80211_FLAG_NEED_WIPHY |
7667 NL80211_FLAG_NEED_RTNL,
7671 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
7672 .doit = nl80211_set_rekey_data,
7673 .policy = nl80211_policy,
7674 .flags = GENL_ADMIN_PERM,
7675 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7676 NL80211_FLAG_NEED_RTNL,
7679 .cmd = NL80211_CMD_TDLS_MGMT,
7680 .doit = nl80211_tdls_mgmt,
7681 .policy = nl80211_policy,
7682 .flags = GENL_ADMIN_PERM,
7683 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7684 NL80211_FLAG_NEED_RTNL,
7687 .cmd = NL80211_CMD_TDLS_OPER,
7688 .doit = nl80211_tdls_oper,
7689 .policy = nl80211_policy,
7690 .flags = GENL_ADMIN_PERM,
7691 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7692 NL80211_FLAG_NEED_RTNL,
7695 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
7696 .doit = nl80211_register_unexpected_frame,
7697 .policy = nl80211_policy,
7698 .flags = GENL_ADMIN_PERM,
7699 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7700 NL80211_FLAG_NEED_RTNL,
7703 .cmd = NL80211_CMD_PROBE_CLIENT,
7704 .doit = nl80211_probe_client,
7705 .policy = nl80211_policy,
7706 .flags = GENL_ADMIN_PERM,
7707 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7708 NL80211_FLAG_NEED_RTNL,
7711 .cmd = NL80211_CMD_REGISTER_BEACONS,
7712 .doit = nl80211_register_beacons,
7713 .policy = nl80211_policy,
7714 .flags = GENL_ADMIN_PERM,
7715 .internal_flags = NL80211_FLAG_NEED_WIPHY |
7716 NL80211_FLAG_NEED_RTNL,
7719 .cmd = NL80211_CMD_SET_NOACK_MAP,
7720 .doit = nl80211_set_noack_map,
7721 .policy = nl80211_policy,
7722 .flags = GENL_ADMIN_PERM,
7723 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7724 NL80211_FLAG_NEED_RTNL,
7727 .cmd = NL80211_CMD_START_P2P_DEVICE,
7728 .doit = nl80211_start_p2p_device,
7729 .policy = nl80211_policy,
7730 .flags = GENL_ADMIN_PERM,
7731 .internal_flags = NL80211_FLAG_NEED_WDEV |
7732 NL80211_FLAG_NEED_RTNL,
7735 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
7736 .doit = nl80211_stop_p2p_device,
7737 .policy = nl80211_policy,
7738 .flags = GENL_ADMIN_PERM,
7739 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
7740 NL80211_FLAG_NEED_RTNL,
7743 .cmd = NL80211_CMD_SET_MCAST_RATE,
7744 .doit = nl80211_set_mcast_rate,
7745 .policy = nl80211_policy,
7746 .flags = GENL_ADMIN_PERM,
7747 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7748 NL80211_FLAG_NEED_RTNL,
7752 static struct genl_multicast_group nl80211_mlme_mcgrp = {
7756 /* multicast groups */
7757 static struct genl_multicast_group nl80211_config_mcgrp = {
7760 static struct genl_multicast_group nl80211_scan_mcgrp = {
7763 static struct genl_multicast_group nl80211_regulatory_mcgrp = {
7764 .name = "regulatory",
7767 /* notification functions */
7769 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
7771 struct sk_buff *msg;
7773 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7777 if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) {
7782 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7783 nl80211_config_mcgrp.id, GFP_KERNEL);
7786 static int nl80211_add_scan_req(struct sk_buff *msg,
7787 struct cfg80211_registered_device *rdev)
7789 struct cfg80211_scan_request *req = rdev->scan_req;
7790 struct nlattr *nest;
7793 ASSERT_RDEV_LOCK(rdev);
7798 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
7800 goto nla_put_failure;
7801 for (i = 0; i < req->n_ssids; i++) {
7802 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
7803 goto nla_put_failure;
7805 nla_nest_end(msg, nest);
7807 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
7809 goto nla_put_failure;
7810 for (i = 0; i < req->n_channels; i++) {
7811 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
7812 goto nla_put_failure;
7814 nla_nest_end(msg, nest);
7817 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
7818 goto nla_put_failure;
7821 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags);
7828 static int nl80211_send_scan_msg(struct sk_buff *msg,
7829 struct cfg80211_registered_device *rdev,
7830 struct wireless_dev *wdev,
7831 u32 portid, u32 seq, int flags,
7836 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
7840 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
7841 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
7842 wdev->netdev->ifindex)) ||
7843 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
7844 goto nla_put_failure;
7846 /* ignore errors and send incomplete event anyway */
7847 nl80211_add_scan_req(msg, rdev);
7849 return genlmsg_end(msg, hdr);
7852 genlmsg_cancel(msg, hdr);
7857 nl80211_send_sched_scan_msg(struct sk_buff *msg,
7858 struct cfg80211_registered_device *rdev,
7859 struct net_device *netdev,
7860 u32 portid, u32 seq, int flags, u32 cmd)
7864 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
7868 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
7869 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
7870 goto nla_put_failure;
7872 return genlmsg_end(msg, hdr);
7875 genlmsg_cancel(msg, hdr);
7879 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
7880 struct wireless_dev *wdev)
7882 struct sk_buff *msg;
7884 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7888 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
7889 NL80211_CMD_TRIGGER_SCAN) < 0) {
7894 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7895 nl80211_scan_mcgrp.id, GFP_KERNEL);
7898 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
7899 struct wireless_dev *wdev)
7901 struct sk_buff *msg;
7903 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7907 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
7908 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
7913 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7914 nl80211_scan_mcgrp.id, GFP_KERNEL);
7917 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
7918 struct wireless_dev *wdev)
7920 struct sk_buff *msg;
7922 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7926 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
7927 NL80211_CMD_SCAN_ABORTED) < 0) {
7932 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7933 nl80211_scan_mcgrp.id, GFP_KERNEL);
7936 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
7937 struct net_device *netdev)
7939 struct sk_buff *msg;
7941 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7945 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
7946 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
7951 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7952 nl80211_scan_mcgrp.id, GFP_KERNEL);
7955 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
7956 struct net_device *netdev, u32 cmd)
7958 struct sk_buff *msg;
7960 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7964 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
7969 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7970 nl80211_scan_mcgrp.id, GFP_KERNEL);
7974 * This can happen on global regulatory changes or device specific settings
7975 * based on custom world regulatory domains.
7977 void nl80211_send_reg_change_event(struct regulatory_request *request)
7979 struct sk_buff *msg;
7982 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7986 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
7992 /* Userspace can always count this one always being set */
7993 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
7994 goto nla_put_failure;
7996 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
7997 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
7998 NL80211_REGDOM_TYPE_WORLD))
7999 goto nla_put_failure;
8000 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
8001 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
8002 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
8003 goto nla_put_failure;
8004 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
8005 request->intersect) {
8006 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
8007 NL80211_REGDOM_TYPE_INTERSECTION))
8008 goto nla_put_failure;
8010 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
8011 NL80211_REGDOM_TYPE_COUNTRY) ||
8012 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
8014 goto nla_put_failure;
8017 if (wiphy_idx_valid(request->wiphy_idx) &&
8018 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
8019 goto nla_put_failure;
8021 genlmsg_end(msg, hdr);
8024 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
8031 genlmsg_cancel(msg, hdr);
8035 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
8036 struct net_device *netdev,
8037 const u8 *buf, size_t len,
8038 enum nl80211_commands cmd, gfp_t gfp)
8040 struct sk_buff *msg;
8043 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8047 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
8053 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8054 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8055 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
8056 goto nla_put_failure;
8058 genlmsg_end(msg, hdr);
8060 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8061 nl80211_mlme_mcgrp.id, gfp);
8065 genlmsg_cancel(msg, hdr);
8069 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
8070 struct net_device *netdev, const u8 *buf,
8071 size_t len, gfp_t gfp)
8073 nl80211_send_mlme_event(rdev, netdev, buf, len,
8074 NL80211_CMD_AUTHENTICATE, gfp);
8077 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
8078 struct net_device *netdev, const u8 *buf,
8079 size_t len, gfp_t gfp)
8081 nl80211_send_mlme_event(rdev, netdev, buf, len,
8082 NL80211_CMD_ASSOCIATE, gfp);
8085 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
8086 struct net_device *netdev, const u8 *buf,
8087 size_t len, gfp_t gfp)
8089 nl80211_send_mlme_event(rdev, netdev, buf, len,
8090 NL80211_CMD_DEAUTHENTICATE, gfp);
8093 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
8094 struct net_device *netdev, const u8 *buf,
8095 size_t len, gfp_t gfp)
8097 nl80211_send_mlme_event(rdev, netdev, buf, len,
8098 NL80211_CMD_DISASSOCIATE, gfp);
8101 void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev,
8102 struct net_device *netdev, const u8 *buf,
8103 size_t len, gfp_t gfp)
8105 nl80211_send_mlme_event(rdev, netdev, buf, len,
8106 NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp);
8109 void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev,
8110 struct net_device *netdev, const u8 *buf,
8111 size_t len, gfp_t gfp)
8113 nl80211_send_mlme_event(rdev, netdev, buf, len,
8114 NL80211_CMD_UNPROT_DISASSOCIATE, gfp);
8117 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
8118 struct net_device *netdev, int cmd,
8119 const u8 *addr, gfp_t gfp)
8121 struct sk_buff *msg;
8124 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8128 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
8134 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8135 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8136 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
8137 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
8138 goto nla_put_failure;
8140 genlmsg_end(msg, hdr);
8142 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8143 nl80211_mlme_mcgrp.id, gfp);
8147 genlmsg_cancel(msg, hdr);
8151 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
8152 struct net_device *netdev, const u8 *addr,
8155 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
8159 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
8160 struct net_device *netdev, const u8 *addr,
8163 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
8167 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
8168 struct net_device *netdev, const u8 *bssid,
8169 const u8 *req_ie, size_t req_ie_len,
8170 const u8 *resp_ie, size_t resp_ie_len,
8171 u16 status, gfp_t gfp)
8173 struct sk_buff *msg;
8176 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8180 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
8186 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8187 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8188 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) ||
8189 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) ||
8191 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
8193 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
8194 goto nla_put_failure;
8196 genlmsg_end(msg, hdr);
8198 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8199 nl80211_mlme_mcgrp.id, gfp);
8203 genlmsg_cancel(msg, hdr);
8208 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
8209 struct net_device *netdev, const u8 *bssid,
8210 const u8 *req_ie, size_t req_ie_len,
8211 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
8213 struct sk_buff *msg;
8216 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8220 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
8226 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8227 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8228 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
8230 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
8232 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
8233 goto nla_put_failure;
8235 genlmsg_end(msg, hdr);
8237 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8238 nl80211_mlme_mcgrp.id, gfp);
8242 genlmsg_cancel(msg, hdr);
8247 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
8248 struct net_device *netdev, u16 reason,
8249 const u8 *ie, size_t ie_len, bool from_ap)
8251 struct sk_buff *msg;
8254 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8258 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
8264 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8265 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8266 (from_ap && reason &&
8267 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
8269 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
8270 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
8271 goto nla_put_failure;
8273 genlmsg_end(msg, hdr);
8275 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8276 nl80211_mlme_mcgrp.id, GFP_KERNEL);
8280 genlmsg_cancel(msg, hdr);
8285 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
8286 struct net_device *netdev, const u8 *bssid,
8289 struct sk_buff *msg;
8292 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8296 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
8302 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8303 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8304 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
8305 goto nla_put_failure;
8307 genlmsg_end(msg, hdr);
8309 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8310 nl80211_mlme_mcgrp.id, gfp);
8314 genlmsg_cancel(msg, hdr);
8318 void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev,
8319 struct net_device *netdev,
8320 const u8 *macaddr, const u8* ie, u8 ie_len,
8323 struct sk_buff *msg;
8326 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8330 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
8336 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8337 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8338 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr) ||
8340 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
8341 goto nla_put_failure;
8343 genlmsg_end(msg, hdr);
8345 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8346 nl80211_mlme_mcgrp.id, gfp);
8350 genlmsg_cancel(msg, hdr);
8354 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
8355 struct net_device *netdev, const u8 *addr,
8356 enum nl80211_key_type key_type, int key_id,
8357 const u8 *tsc, gfp_t gfp)
8359 struct sk_buff *msg;
8362 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8366 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
8372 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8373 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8374 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
8375 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
8377 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
8378 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
8379 goto nla_put_failure;
8381 genlmsg_end(msg, hdr);
8383 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8384 nl80211_mlme_mcgrp.id, gfp);
8388 genlmsg_cancel(msg, hdr);
8392 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
8393 struct ieee80211_channel *channel_before,
8394 struct ieee80211_channel *channel_after)
8396 struct sk_buff *msg;
8398 struct nlattr *nl_freq;
8400 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
8404 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
8411 * Since we are applying the beacon hint to a wiphy we know its
8412 * wiphy_idx is valid
8414 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8415 goto nla_put_failure;
8418 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
8420 goto nla_put_failure;
8421 if (nl80211_msg_put_channel(msg, channel_before))
8422 goto nla_put_failure;
8423 nla_nest_end(msg, nl_freq);
8426 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
8428 goto nla_put_failure;
8429 if (nl80211_msg_put_channel(msg, channel_after))
8430 goto nla_put_failure;
8431 nla_nest_end(msg, nl_freq);
8433 genlmsg_end(msg, hdr);
8436 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
8443 genlmsg_cancel(msg, hdr);
8447 static void nl80211_send_remain_on_chan_event(
8448 int cmd, struct cfg80211_registered_device *rdev,
8449 struct wireless_dev *wdev, u64 cookie,
8450 struct ieee80211_channel *chan,
8451 unsigned int duration, gfp_t gfp)
8453 struct sk_buff *msg;
8456 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8460 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
8466 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8467 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
8468 wdev->netdev->ifindex)) ||
8469 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
8470 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
8471 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
8472 NL80211_CHAN_NO_HT) ||
8473 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
8474 goto nla_put_failure;
8476 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
8477 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
8478 goto nla_put_failure;
8480 genlmsg_end(msg, hdr);
8482 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8483 nl80211_mlme_mcgrp.id, gfp);
8487 genlmsg_cancel(msg, hdr);
8491 void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
8492 struct wireless_dev *wdev, u64 cookie,
8493 struct ieee80211_channel *chan,
8494 unsigned int duration, gfp_t gfp)
8496 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
8497 rdev, wdev, cookie, chan,
8501 void nl80211_send_remain_on_channel_cancel(
8502 struct cfg80211_registered_device *rdev,
8503 struct wireless_dev *wdev,
8504 u64 cookie, struct ieee80211_channel *chan, gfp_t gfp)
8506 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
8507 rdev, wdev, cookie, chan, 0, gfp);
8510 void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
8511 struct net_device *dev, const u8 *mac_addr,
8512 struct station_info *sinfo, gfp_t gfp)
8514 struct sk_buff *msg;
8516 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8520 if (nl80211_send_station(msg, 0, 0, 0,
8521 rdev, dev, mac_addr, sinfo) < 0) {
8526 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8527 nl80211_mlme_mcgrp.id, gfp);
8530 void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
8531 struct net_device *dev, const u8 *mac_addr,
8534 struct sk_buff *msg;
8537 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8541 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
8547 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
8548 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
8549 goto nla_put_failure;
8551 genlmsg_end(msg, hdr);
8553 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8554 nl80211_mlme_mcgrp.id, gfp);
8558 genlmsg_cancel(msg, hdr);
8562 void nl80211_send_conn_failed_event(struct cfg80211_registered_device *rdev,
8563 struct net_device *dev, const u8 *mac_addr,
8564 enum nl80211_connect_failed_reason reason,
8567 struct sk_buff *msg;
8570 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
8574 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
8580 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
8581 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
8582 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
8583 goto nla_put_failure;
8585 genlmsg_end(msg, hdr);
8587 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8588 nl80211_mlme_mcgrp.id, gfp);
8592 genlmsg_cancel(msg, hdr);
8596 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
8597 const u8 *addr, gfp_t gfp)
8599 struct wireless_dev *wdev = dev->ieee80211_ptr;
8600 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
8601 struct sk_buff *msg;
8604 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
8609 msg = nlmsg_new(100, gfp);
8613 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
8619 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8620 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
8621 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
8622 goto nla_put_failure;
8624 err = genlmsg_end(msg, hdr);
8630 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
8634 genlmsg_cancel(msg, hdr);
8639 bool nl80211_unexpected_frame(struct net_device *dev, const u8 *addr, gfp_t gfp)
8641 return __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
8645 bool nl80211_unexpected_4addr_frame(struct net_device *dev,
8646 const u8 *addr, gfp_t gfp)
8648 return __nl80211_unexpected_frame(dev,
8649 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
8653 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
8654 struct wireless_dev *wdev, u32 nlportid,
8655 int freq, int sig_dbm,
8656 const u8 *buf, size_t len, gfp_t gfp)
8658 struct net_device *netdev = wdev->netdev;
8659 struct sk_buff *msg;
8662 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8666 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
8672 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8673 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
8674 netdev->ifindex)) ||
8675 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
8677 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
8678 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
8679 goto nla_put_failure;
8681 genlmsg_end(msg, hdr);
8683 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
8686 genlmsg_cancel(msg, hdr);
8691 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
8692 struct wireless_dev *wdev, u64 cookie,
8693 const u8 *buf, size_t len, bool ack,
8696 struct net_device *netdev = wdev->netdev;
8697 struct sk_buff *msg;
8700 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8704 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
8710 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8711 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
8712 netdev->ifindex)) ||
8713 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
8714 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
8715 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
8716 goto nla_put_failure;
8718 genlmsg_end(msg, hdr);
8720 genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
8724 genlmsg_cancel(msg, hdr);
8729 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev,
8730 struct net_device *netdev,
8731 enum nl80211_cqm_rssi_threshold_event rssi_event,
8734 struct sk_buff *msg;
8735 struct nlattr *pinfoattr;
8738 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8742 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
8748 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8749 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
8750 goto nla_put_failure;
8752 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
8754 goto nla_put_failure;
8756 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
8758 goto nla_put_failure;
8760 nla_nest_end(msg, pinfoattr);
8762 genlmsg_end(msg, hdr);
8764 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8765 nl80211_mlme_mcgrp.id, gfp);
8769 genlmsg_cancel(msg, hdr);
8773 void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
8774 struct net_device *netdev, const u8 *bssid,
8775 const u8 *replay_ctr, gfp_t gfp)
8777 struct sk_buff *msg;
8778 struct nlattr *rekey_attr;
8781 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8785 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
8791 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8792 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8793 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
8794 goto nla_put_failure;
8796 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
8798 goto nla_put_failure;
8800 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
8801 NL80211_REPLAY_CTR_LEN, replay_ctr))
8802 goto nla_put_failure;
8804 nla_nest_end(msg, rekey_attr);
8806 genlmsg_end(msg, hdr);
8808 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8809 nl80211_mlme_mcgrp.id, gfp);
8813 genlmsg_cancel(msg, hdr);
8817 void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
8818 struct net_device *netdev, int index,
8819 const u8 *bssid, bool preauth, gfp_t gfp)
8821 struct sk_buff *msg;
8822 struct nlattr *attr;
8825 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8829 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
8835 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8836 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
8837 goto nla_put_failure;
8839 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
8841 goto nla_put_failure;
8843 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
8844 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
8846 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
8847 goto nla_put_failure;
8849 nla_nest_end(msg, attr);
8851 genlmsg_end(msg, hdr);
8853 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8854 nl80211_mlme_mcgrp.id, gfp);
8858 genlmsg_cancel(msg, hdr);
8862 void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
8863 struct net_device *netdev,
8864 struct cfg80211_chan_def *chandef, gfp_t gfp)
8866 struct sk_buff *msg;
8869 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8873 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY);
8879 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
8880 goto nla_put_failure;
8882 if (nl80211_send_chandef(msg, chandef))
8883 goto nla_put_failure;
8885 genlmsg_end(msg, hdr);
8887 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8888 nl80211_mlme_mcgrp.id, gfp);
8892 genlmsg_cancel(msg, hdr);
8897 nl80211_send_cqm_txe_notify(struct cfg80211_registered_device *rdev,
8898 struct net_device *netdev, const u8 *peer,
8899 u32 num_packets, u32 rate, u32 intvl, gfp_t gfp)
8901 struct sk_buff *msg;
8902 struct nlattr *pinfoattr;
8905 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
8909 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
8915 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8916 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8917 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
8918 goto nla_put_failure;
8920 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
8922 goto nla_put_failure;
8924 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
8925 goto nla_put_failure;
8927 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
8928 goto nla_put_failure;
8930 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
8931 goto nla_put_failure;
8933 nla_nest_end(msg, pinfoattr);
8935 genlmsg_end(msg, hdr);
8937 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8938 nl80211_mlme_mcgrp.id, gfp);
8942 genlmsg_cancel(msg, hdr);
8947 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
8948 struct net_device *netdev, const u8 *peer,
8949 u32 num_packets, gfp_t gfp)
8951 struct sk_buff *msg;
8952 struct nlattr *pinfoattr;
8955 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
8959 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
8965 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8966 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
8967 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
8968 goto nla_put_failure;
8970 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
8972 goto nla_put_failure;
8974 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
8975 goto nla_put_failure;
8977 nla_nest_end(msg, pinfoattr);
8979 genlmsg_end(msg, hdr);
8981 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8982 nl80211_mlme_mcgrp.id, gfp);
8986 genlmsg_cancel(msg, hdr);
8990 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
8991 u64 cookie, bool acked, gfp_t gfp)
8993 struct wireless_dev *wdev = dev->ieee80211_ptr;
8994 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
8995 struct sk_buff *msg;
8999 trace_cfg80211_probe_status(dev, addr, cookie, acked);
9001 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9006 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
9012 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9013 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
9014 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9015 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
9016 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
9017 goto nla_put_failure;
9019 err = genlmsg_end(msg, hdr);
9025 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9026 nl80211_mlme_mcgrp.id, gfp);
9030 genlmsg_cancel(msg, hdr);
9033 EXPORT_SYMBOL(cfg80211_probe_status);
9035 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
9036 const u8 *frame, size_t len,
9037 int freq, int sig_dbm)
9039 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9040 struct sk_buff *msg;
9042 struct cfg80211_beacon_registration *reg;
9044 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
9046 spin_lock_bh(&rdev->beacon_registrations_lock);
9047 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
9048 msg = nlmsg_new(len + 100, GFP_ATOMIC);
9050 spin_unlock_bh(&rdev->beacon_registrations_lock);
9054 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
9056 goto nla_put_failure;
9058 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9060 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
9062 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
9063 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
9064 goto nla_put_failure;
9066 genlmsg_end(msg, hdr);
9068 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
9070 spin_unlock_bh(&rdev->beacon_registrations_lock);
9074 spin_unlock_bh(&rdev->beacon_registrations_lock);
9076 genlmsg_cancel(msg, hdr);
9079 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
9081 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
9082 enum nl80211_tdls_operation oper,
9083 u16 reason_code, gfp_t gfp)
9085 struct wireless_dev *wdev = dev->ieee80211_ptr;
9086 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
9087 struct sk_buff *msg;
9091 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
9094 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9098 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
9104 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9105 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
9106 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
9107 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
9109 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
9110 goto nla_put_failure;
9112 err = genlmsg_end(msg, hdr);
9118 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9119 nl80211_mlme_mcgrp.id, gfp);
9123 genlmsg_cancel(msg, hdr);
9126 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
9128 static int nl80211_netlink_notify(struct notifier_block * nb,
9129 unsigned long state,
9132 struct netlink_notify *notify = _notify;
9133 struct cfg80211_registered_device *rdev;
9134 struct wireless_dev *wdev;
9135 struct cfg80211_beacon_registration *reg, *tmp;
9137 if (state != NETLINK_URELEASE)
9142 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
9143 list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
9144 cfg80211_mlme_unregister_socket(wdev, notify->portid);
9146 spin_lock_bh(&rdev->beacon_registrations_lock);
9147 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
9149 if (reg->nlportid == notify->portid) {
9150 list_del(®->list);
9155 spin_unlock_bh(&rdev->beacon_registrations_lock);
9163 static struct notifier_block nl80211_netlink_notifier = {
9164 .notifier_call = nl80211_netlink_notify,
9167 /* initialisation/exit functions */
9169 int nl80211_init(void)
9173 err = genl_register_family_with_ops(&nl80211_fam,
9174 nl80211_ops, ARRAY_SIZE(nl80211_ops));
9178 err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp);
9182 err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp);
9186 err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp);
9190 err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp);
9194 #ifdef CONFIG_NL80211_TESTMODE
9195 err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp);
9200 err = netlink_register_notifier(&nl80211_netlink_notifier);
9206 genl_unregister_family(&nl80211_fam);
9210 void nl80211_exit(void)
9212 netlink_unregister_notifier(&nl80211_netlink_notifier);
9213 genl_unregister_family(&nl80211_fam);