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>
22 #include <net/inet_connection_sock.h>
28 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
29 struct genl_info *info,
30 struct cfg80211_crypto_settings *settings,
33 static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
34 struct genl_info *info);
35 static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
36 struct genl_info *info);
38 /* the netlink family */
39 static struct genl_family nl80211_fam = {
40 .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
41 .name = "nl80211", /* have users key off the name instead */
42 .hdrsize = 0, /* no private header */
43 .version = 1, /* no particular meaning now */
44 .maxattr = NL80211_ATTR_MAX,
46 .pre_doit = nl80211_pre_doit,
47 .post_doit = nl80211_post_doit,
50 /* returns ERR_PTR values */
51 static struct wireless_dev *
52 __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
54 struct cfg80211_registered_device *rdev;
55 struct wireless_dev *result = NULL;
56 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
57 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
62 assert_cfg80211_lock();
64 if (!have_ifidx && !have_wdev_id)
65 return ERR_PTR(-EINVAL);
68 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
70 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
71 wiphy_idx = wdev_id >> 32;
74 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
75 struct wireless_dev *wdev;
77 if (wiphy_net(&rdev->wiphy) != netns)
80 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
83 mutex_lock(&rdev->devlist_mtx);
84 list_for_each_entry(wdev, &rdev->wdev_list, list) {
85 if (have_ifidx && wdev->netdev &&
86 wdev->netdev->ifindex == ifidx) {
90 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
95 mutex_unlock(&rdev->devlist_mtx);
103 return ERR_PTR(-ENODEV);
106 static struct cfg80211_registered_device *
107 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
109 struct cfg80211_registered_device *rdev = NULL, *tmp;
110 struct net_device *netdev;
112 assert_cfg80211_lock();
114 if (!attrs[NL80211_ATTR_WIPHY] &&
115 !attrs[NL80211_ATTR_IFINDEX] &&
116 !attrs[NL80211_ATTR_WDEV])
117 return ERR_PTR(-EINVAL);
119 if (attrs[NL80211_ATTR_WIPHY])
120 rdev = cfg80211_rdev_by_wiphy_idx(
121 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
123 if (attrs[NL80211_ATTR_WDEV]) {
124 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
125 struct wireless_dev *wdev;
128 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
130 /* make sure wdev exists */
131 mutex_lock(&tmp->devlist_mtx);
132 list_for_each_entry(wdev, &tmp->wdev_list, list) {
133 if (wdev->identifier != (u32)wdev_id)
138 mutex_unlock(&tmp->devlist_mtx);
143 if (rdev && tmp != rdev)
144 return ERR_PTR(-EINVAL);
149 if (attrs[NL80211_ATTR_IFINDEX]) {
150 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
151 netdev = dev_get_by_index(netns, ifindex);
153 if (netdev->ieee80211_ptr)
155 netdev->ieee80211_ptr->wiphy);
161 /* not wireless device -- return error */
163 return ERR_PTR(-EINVAL);
165 /* mismatch -- return error */
166 if (rdev && tmp != rdev)
167 return ERR_PTR(-EINVAL);
174 return ERR_PTR(-ENODEV);
176 if (netns != wiphy_net(&rdev->wiphy))
177 return ERR_PTR(-ENODEV);
183 * This function returns a pointer to the driver
184 * that the genl_info item that is passed refers to.
185 * If successful, it returns non-NULL and also locks
186 * the driver's mutex!
188 * This means that you need to call cfg80211_unlock_rdev()
189 * before being allowed to acquire &cfg80211_mutex!
191 * This is necessary because we need to lock the global
192 * mutex to get an item off the list safely, and then
193 * we lock the rdev mutex so it doesn't go away under us.
195 * We don't want to keep cfg80211_mutex locked
196 * for all the time in order to allow requests on
197 * other interfaces to go through at the same time.
199 * The result of this can be a PTR_ERR and hence must
200 * be checked with IS_ERR() for errors.
202 static struct cfg80211_registered_device *
203 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
205 struct cfg80211_registered_device *rdev;
207 mutex_lock(&cfg80211_mutex);
208 rdev = __cfg80211_rdev_from_attrs(netns, info->attrs);
210 /* if it is not an error we grab the lock on
211 * it to assure it won't be going away while
212 * we operate on it */
214 mutex_lock(&rdev->mtx);
216 mutex_unlock(&cfg80211_mutex);
221 /* policy for the attributes */
222 static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
223 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
224 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
226 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
228 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
229 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
230 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
231 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
232 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
234 [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
235 [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
236 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
237 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
238 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
240 [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
241 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
242 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
244 [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
245 [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
247 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
248 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
249 .len = WLAN_MAX_KEY_LEN },
250 [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
251 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
252 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
253 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
254 [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
256 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
257 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
258 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
259 .len = IEEE80211_MAX_DATA_LEN },
260 [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
261 .len = IEEE80211_MAX_DATA_LEN },
262 [NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
263 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
264 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
265 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
266 .len = NL80211_MAX_SUPP_RATES },
267 [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
268 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
269 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
270 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
271 .len = IEEE80211_MAX_MESH_ID_LEN },
272 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
274 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
275 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
277 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
278 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
279 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
280 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
281 .len = NL80211_MAX_SUPP_RATES },
282 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
284 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
285 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
287 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
289 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
290 [NL80211_ATTR_IE] = { .type = NLA_BINARY,
291 .len = IEEE80211_MAX_DATA_LEN },
292 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
293 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
295 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
296 .len = IEEE80211_MAX_SSID_LEN },
297 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
298 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
299 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
300 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
301 [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 },
302 [NL80211_ATTR_STA_FLAGS2] = {
303 .len = sizeof(struct nl80211_sta_flag_update),
305 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
306 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
307 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
308 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
309 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
310 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
311 [NL80211_ATTR_PID] = { .type = NLA_U32 },
312 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
313 [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
314 .len = WLAN_PMKID_LEN },
315 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
316 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
317 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
318 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
319 .len = IEEE80211_MAX_DATA_LEN },
320 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
321 [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
322 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
323 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
324 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
325 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
326 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
327 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
328 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
329 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
330 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
331 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
332 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
333 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
334 [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
335 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
336 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
337 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
338 [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
339 [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
340 .len = IEEE80211_MAX_DATA_LEN },
341 [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
342 .len = IEEE80211_MAX_DATA_LEN },
343 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
344 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
345 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
346 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
347 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
348 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
349 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
350 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
351 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
352 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
353 .len = IEEE80211_MAX_DATA_LEN },
354 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
355 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
356 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
357 .len = NL80211_HT_CAPABILITY_LEN
359 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
360 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
361 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
362 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
363 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
364 [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, },
365 [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
366 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
367 [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 },
368 [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 },
369 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
370 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
371 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
372 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
373 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
374 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
375 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
376 .len = NL80211_VHT_CAPABILITY_LEN,
378 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
379 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
380 .len = IEEE80211_MAX_DATA_LEN },
383 /* policy for the key attributes */
384 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
385 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
386 [NL80211_KEY_IDX] = { .type = NLA_U8 },
387 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
388 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
389 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
390 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
391 [NL80211_KEY_TYPE] = { .type = NLA_U32 },
392 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
395 /* policy for the key default flags */
396 static const struct nla_policy
397 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
398 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
399 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
402 /* policy for WoWLAN attributes */
403 static const struct nla_policy
404 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
405 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
406 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
407 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
408 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
409 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
410 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
411 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
412 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
413 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
416 static const struct nla_policy
417 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
418 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
419 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
420 [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
421 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
422 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
423 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
424 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
425 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
427 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
428 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
430 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
431 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
432 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
435 /* policy for GTK rekey offload attributes */
436 static const struct nla_policy
437 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
438 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
439 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
440 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
443 static const struct nla_policy
444 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
445 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
446 .len = IEEE80211_MAX_SSID_LEN },
447 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
450 /* ifidx get helper */
451 static int nl80211_get_ifidx(struct netlink_callback *cb)
455 res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
456 nl80211_fam.attrbuf, nl80211_fam.maxattr,
461 if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
464 res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
470 static int nl80211_prepare_netdev_dump(struct sk_buff *skb,
471 struct netlink_callback *cb,
472 struct cfg80211_registered_device **rdev,
473 struct net_device **dev)
475 int ifidx = cb->args[0];
479 ifidx = nl80211_get_ifidx(cb);
487 *dev = __dev_get_by_index(sock_net(skb->sk), ifidx);
493 *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
495 err = PTR_ERR(*rdev);
505 static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev)
507 cfg80211_unlock_rdev(rdev);
512 static bool is_valid_ie_attr(const struct nlattr *attr)
520 pos = nla_data(attr);
541 /* message building helper */
542 static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
545 /* since there is no private header just add the generic one */
546 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
549 static int nl80211_msg_put_channel(struct sk_buff *msg,
550 struct ieee80211_channel *chan,
553 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
555 goto nla_put_failure;
557 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
558 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
559 goto nla_put_failure;
560 if ((chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) &&
561 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN))
562 goto nla_put_failure;
563 if ((chan->flags & IEEE80211_CHAN_NO_IBSS) &&
564 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS))
565 goto nla_put_failure;
566 if (chan->flags & IEEE80211_CHAN_RADAR) {
567 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
568 goto nla_put_failure;
572 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
574 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
576 goto nla_put_failure;
577 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
579 goto nla_put_failure;
584 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
585 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
586 goto nla_put_failure;
587 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
588 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
589 goto nla_put_failure;
590 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
591 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
592 goto nla_put_failure;
593 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
594 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
595 goto nla_put_failure;
598 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
599 DBM_TO_MBM(chan->max_power)))
600 goto nla_put_failure;
608 /* netlink command implementations */
615 bool def_uni, def_multi;
618 static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
620 struct nlattr *tb[NL80211_KEY_MAX + 1];
621 int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
626 k->def = !!tb[NL80211_KEY_DEFAULT];
627 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
636 if (tb[NL80211_KEY_IDX])
637 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
639 if (tb[NL80211_KEY_DATA]) {
640 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
641 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
644 if (tb[NL80211_KEY_SEQ]) {
645 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
646 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
649 if (tb[NL80211_KEY_CIPHER])
650 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
652 if (tb[NL80211_KEY_TYPE]) {
653 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
654 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
658 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
659 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
660 err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
661 tb[NL80211_KEY_DEFAULT_TYPES],
662 nl80211_key_default_policy);
666 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
667 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
673 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
675 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
676 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
677 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
680 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
681 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
682 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
685 if (info->attrs[NL80211_ATTR_KEY_IDX])
686 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
688 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
689 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
691 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
692 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
701 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
702 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
703 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
707 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
708 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
709 int err = nla_parse_nested(
710 kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
711 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
712 nl80211_key_default_policy);
716 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
717 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
723 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
727 memset(k, 0, sizeof(*k));
731 if (info->attrs[NL80211_ATTR_KEY])
732 err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
734 err = nl80211_parse_key_old(info, k);
739 if (k->def && k->defmgmt)
743 if (k->def_uni || !k->def_multi)
749 if (k->idx < 4 || k->idx > 5)
752 if (k->idx < 0 || k->idx > 3)
755 if (k->idx < 0 || k->idx > 5)
763 static struct cfg80211_cached_keys *
764 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
765 struct nlattr *keys, bool *no_ht)
767 struct key_parse parse;
769 struct cfg80211_cached_keys *result;
770 int rem, err, def = 0;
772 result = kzalloc(sizeof(*result), GFP_KERNEL);
774 return ERR_PTR(-ENOMEM);
777 result->defmgmt = -1;
779 nla_for_each_nested(key, keys, rem) {
780 memset(&parse, 0, sizeof(parse));
783 err = nl80211_parse_key_new(key, &parse);
789 if (parse.idx < 0 || parse.idx > 4)
795 result->def = parse.idx;
796 if (!parse.def_uni || !parse.def_multi)
798 } else if (parse.defmgmt)
800 err = cfg80211_validate_key_settings(rdev, &parse.p,
801 parse.idx, false, NULL);
804 result->params[parse.idx].cipher = parse.p.cipher;
805 result->params[parse.idx].key_len = parse.p.key_len;
806 result->params[parse.idx].key = result->data[parse.idx];
807 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
809 if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 ||
810 parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) {
822 static int nl80211_key_allowed(struct wireless_dev *wdev)
824 ASSERT_WDEV_LOCK(wdev);
826 switch (wdev->iftype) {
827 case NL80211_IFTYPE_AP:
828 case NL80211_IFTYPE_AP_VLAN:
829 case NL80211_IFTYPE_P2P_GO:
830 case NL80211_IFTYPE_MESH_POINT:
832 case NL80211_IFTYPE_ADHOC:
833 if (!wdev->current_bss)
836 case NL80211_IFTYPE_STATION:
837 case NL80211_IFTYPE_P2P_CLIENT:
838 if (wdev->sme_state != CFG80211_SME_CONNECTED)
848 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
850 struct nlattr *nl_modes = nla_nest_start(msg, attr);
854 goto nla_put_failure;
858 if ((ifmodes & 1) && nla_put_flag(msg, i))
859 goto nla_put_failure;
864 nla_nest_end(msg, nl_modes);
871 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
875 struct nlattr *nl_combis;
878 nl_combis = nla_nest_start(msg,
879 NL80211_ATTR_INTERFACE_COMBINATIONS);
881 goto nla_put_failure;
883 for (i = 0; i < wiphy->n_iface_combinations; i++) {
884 const struct ieee80211_iface_combination *c;
885 struct nlattr *nl_combi, *nl_limits;
887 c = &wiphy->iface_combinations[i];
889 nl_combi = nla_nest_start(msg, i + 1);
891 goto nla_put_failure;
893 nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
895 goto nla_put_failure;
897 for (j = 0; j < c->n_limits; j++) {
898 struct nlattr *nl_limit;
900 nl_limit = nla_nest_start(msg, j + 1);
902 goto nla_put_failure;
903 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
905 goto nla_put_failure;
906 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
908 goto nla_put_failure;
909 nla_nest_end(msg, nl_limit);
912 nla_nest_end(msg, nl_limits);
914 if (c->beacon_int_infra_match &&
915 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
916 goto nla_put_failure;
917 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
918 c->num_different_channels) ||
919 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
921 goto nla_put_failure;
923 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
924 c->radar_detect_widths))
925 goto nla_put_failure;
927 nla_nest_end(msg, nl_combi);
930 nla_nest_end(msg, nl_combis);
938 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
941 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan.tcp;
942 struct nlattr *nl_tcp;
947 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
951 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
952 tcp->data_payload_max))
955 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
956 tcp->data_payload_max))
959 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
962 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
963 sizeof(*tcp->tok), tcp->tok))
966 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
967 tcp->data_interval_max))
970 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
971 tcp->wake_payload_max))
974 nla_nest_end(msg, nl_tcp);
978 static int nl80211_send_wowlan(struct sk_buff *msg,
979 struct cfg80211_registered_device *dev,
982 struct nlattr *nl_wowlan;
984 if (!dev->wiphy.wowlan.flags && !dev->wiphy.wowlan.n_patterns)
987 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
991 if (((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) &&
992 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
993 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) &&
994 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
995 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) &&
996 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
997 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
998 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
999 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1000 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1001 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1002 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1003 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1004 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1005 ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1006 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1009 if (dev->wiphy.wowlan.n_patterns) {
1010 struct nl80211_wowlan_pattern_support pat = {
1011 .max_patterns = dev->wiphy.wowlan.n_patterns,
1012 .min_pattern_len = dev->wiphy.wowlan.pattern_min_len,
1013 .max_pattern_len = dev->wiphy.wowlan.pattern_max_len,
1014 .max_pkt_offset = dev->wiphy.wowlan.max_pkt_offset,
1017 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1022 if (large && nl80211_send_wowlan_tcp_caps(dev, msg))
1025 nla_nest_end(msg, nl_wowlan);
1031 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1032 struct ieee80211_supported_band *sband)
1034 struct nlattr *nl_rates, *nl_rate;
1035 struct ieee80211_rate *rate;
1039 if (sband->ht_cap.ht_supported &&
1040 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1041 sizeof(sband->ht_cap.mcs),
1042 &sband->ht_cap.mcs) ||
1043 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1044 sband->ht_cap.cap) ||
1045 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1046 sband->ht_cap.ampdu_factor) ||
1047 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1048 sband->ht_cap.ampdu_density)))
1052 if (sband->vht_cap.vht_supported &&
1053 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1054 sizeof(sband->vht_cap.vht_mcs),
1055 &sband->vht_cap.vht_mcs) ||
1056 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1057 sband->vht_cap.cap)))
1061 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
1065 for (i = 0; i < sband->n_bitrates; i++) {
1066 nl_rate = nla_nest_start(msg, i);
1070 rate = &sband->bitrates[i];
1071 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1074 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1076 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1079 nla_nest_end(msg, nl_rate);
1082 nla_nest_end(msg, nl_rates);
1088 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1089 const struct ieee80211_txrx_stypes *mgmt_stypes)
1092 struct nlattr *nl_ftypes, *nl_ifs;
1093 enum nl80211_iftype ift;
1099 nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
1103 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1104 nl_ftypes = nla_nest_start(msg, ift);
1108 stypes = mgmt_stypes[ift].tx;
1111 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1112 (i << 4) | IEEE80211_FTYPE_MGMT))
1117 nla_nest_end(msg, nl_ftypes);
1120 nla_nest_end(msg, nl_ifs);
1122 nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
1126 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1127 nl_ftypes = nla_nest_start(msg, ift);
1131 stypes = mgmt_stypes[ift].rx;
1134 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1135 (i << 4) | IEEE80211_FTYPE_MGMT))
1140 nla_nest_end(msg, nl_ftypes);
1142 nla_nest_end(msg, nl_ifs);
1147 static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
1148 struct sk_buff *msg, u32 portid, u32 seq,
1149 int flags, bool split, long *split_start,
1150 long *band_start, long *chan_start)
1153 struct nlattr *nl_bands, *nl_band;
1154 struct nlattr *nl_freqs, *nl_freq;
1155 struct nlattr *nl_cmds;
1156 enum ieee80211_band band;
1157 struct ieee80211_channel *chan;
1159 const struct ieee80211_txrx_stypes *mgmt_stypes =
1160 dev->wiphy.mgmt_stypes;
1161 long start = 0, start_chan = 0, start_band = 0;
1164 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY);
1168 /* allow always using the variables */
1170 split_start = &start;
1171 band_start = &start_band;
1172 chan_start = &start_chan;
1175 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) ||
1176 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1177 wiphy_name(&dev->wiphy)) ||
1178 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1179 cfg80211_rdev_list_generation))
1180 goto nla_put_failure;
1182 switch (*split_start) {
1184 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1185 dev->wiphy.retry_short) ||
1186 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1187 dev->wiphy.retry_long) ||
1188 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1189 dev->wiphy.frag_threshold) ||
1190 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1191 dev->wiphy.rts_threshold) ||
1192 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1193 dev->wiphy.coverage_class) ||
1194 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1195 dev->wiphy.max_scan_ssids) ||
1196 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1197 dev->wiphy.max_sched_scan_ssids) ||
1198 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1199 dev->wiphy.max_scan_ie_len) ||
1200 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1201 dev->wiphy.max_sched_scan_ie_len) ||
1202 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1203 dev->wiphy.max_match_sets))
1204 goto nla_put_failure;
1206 if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1207 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1208 goto nla_put_failure;
1209 if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1210 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1211 goto nla_put_failure;
1212 if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1213 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1214 goto nla_put_failure;
1215 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1216 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1217 goto nla_put_failure;
1218 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1219 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1220 goto nla_put_failure;
1221 if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1222 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1223 goto nla_put_failure;
1229 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1230 sizeof(u32) * dev->wiphy.n_cipher_suites,
1231 dev->wiphy.cipher_suites))
1232 goto nla_put_failure;
1234 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1235 dev->wiphy.max_num_pmkids))
1236 goto nla_put_failure;
1238 if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1239 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1240 goto nla_put_failure;
1242 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1243 dev->wiphy.available_antennas_tx) ||
1244 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1245 dev->wiphy.available_antennas_rx))
1246 goto nla_put_failure;
1248 if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
1249 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1250 dev->wiphy.probe_resp_offload))
1251 goto nla_put_failure;
1253 if ((dev->wiphy.available_antennas_tx ||
1254 dev->wiphy.available_antennas_rx) &&
1255 dev->ops->get_antenna) {
1256 u32 tx_ant = 0, rx_ant = 0;
1258 res = rdev_get_antenna(dev, &tx_ant, &rx_ant);
1260 if (nla_put_u32(msg,
1261 NL80211_ATTR_WIPHY_ANTENNA_TX,
1264 NL80211_ATTR_WIPHY_ANTENNA_RX,
1266 goto nla_put_failure;
1274 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1275 dev->wiphy.interface_modes))
1276 goto nla_put_failure;
1281 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
1283 goto nla_put_failure;
1285 for (band = *band_start; band < IEEE80211_NUM_BANDS; band++) {
1286 struct ieee80211_supported_band *sband;
1288 sband = dev->wiphy.bands[band];
1293 nl_band = nla_nest_start(msg, band);
1295 goto nla_put_failure;
1297 switch (*chan_start) {
1299 if (nl80211_send_band_rateinfo(msg, sband))
1300 goto nla_put_failure;
1305 /* add frequencies */
1306 nl_freqs = nla_nest_start(
1307 msg, NL80211_BAND_ATTR_FREQS);
1309 goto nla_put_failure;
1311 for (i = *chan_start - 1;
1312 i < sband->n_channels;
1314 nl_freq = nla_nest_start(msg, i);
1316 goto nla_put_failure;
1318 chan = &sband->channels[i];
1320 if (nl80211_msg_put_channel(msg, chan,
1322 goto nla_put_failure;
1324 nla_nest_end(msg, nl_freq);
1328 if (i < sband->n_channels)
1329 *chan_start = i + 2;
1332 nla_nest_end(msg, nl_freqs);
1335 nla_nest_end(msg, nl_band);
1338 /* start again here */
1344 nla_nest_end(msg, nl_bands);
1346 if (band < IEEE80211_NUM_BANDS)
1347 *band_start = band + 1;
1351 /* if bands & channels are done, continue outside */
1352 if (*band_start == 0 && *chan_start == 0)
1357 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
1359 goto nla_put_failure;
1362 #define CMD(op, n) \
1364 if (dev->ops->op) { \
1366 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1367 goto nla_put_failure; \
1371 CMD(add_virtual_intf, NEW_INTERFACE);
1372 CMD(change_virtual_intf, SET_INTERFACE);
1373 CMD(add_key, NEW_KEY);
1374 CMD(start_ap, START_AP);
1375 CMD(add_station, NEW_STATION);
1376 CMD(add_mpath, NEW_MPATH);
1377 CMD(update_mesh_config, SET_MESH_CONFIG);
1378 CMD(change_bss, SET_BSS);
1379 CMD(auth, AUTHENTICATE);
1380 CMD(assoc, ASSOCIATE);
1381 CMD(deauth, DEAUTHENTICATE);
1382 CMD(disassoc, DISASSOCIATE);
1383 CMD(join_ibss, JOIN_IBSS);
1384 CMD(join_mesh, JOIN_MESH);
1385 CMD(set_pmksa, SET_PMKSA);
1386 CMD(del_pmksa, DEL_PMKSA);
1387 CMD(flush_pmksa, FLUSH_PMKSA);
1388 if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1389 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1390 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1391 CMD(mgmt_tx, FRAME);
1392 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1393 if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1395 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1396 goto nla_put_failure;
1398 if (dev->ops->set_monitor_channel || dev->ops->start_ap ||
1399 dev->ops->join_mesh) {
1401 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1402 goto nla_put_failure;
1404 CMD(set_wds_peer, SET_WDS_PEER);
1405 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1406 CMD(tdls_mgmt, TDLS_MGMT);
1407 CMD(tdls_oper, TDLS_OPER);
1409 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
1410 CMD(sched_scan_start, START_SCHED_SCAN);
1411 CMD(probe_client, PROBE_CLIENT);
1412 CMD(set_noack_map, SET_NOACK_MAP);
1413 if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1415 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1416 goto nla_put_failure;
1418 CMD(start_p2p_device, START_P2P_DEVICE);
1419 CMD(set_mcast_rate, SET_MCAST_RATE);
1421 #ifdef CONFIG_NL80211_TESTMODE
1422 CMD(testmode_cmd, TESTMODE);
1427 if (dev->ops->connect || dev->ops->auth) {
1429 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1430 goto nla_put_failure;
1433 if (dev->ops->disconnect || dev->ops->deauth) {
1435 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1436 goto nla_put_failure;
1439 nla_nest_end(msg, nl_cmds);
1444 if (dev->ops->remain_on_channel &&
1445 (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
1447 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1448 dev->wiphy.max_remain_on_channel_duration))
1449 goto nla_put_failure;
1451 if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
1452 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
1453 goto nla_put_failure;
1455 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
1456 goto nla_put_failure;
1462 if (nl80211_send_wowlan(msg, dev, split))
1463 goto nla_put_failure;
1471 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1472 dev->wiphy.software_iftypes))
1473 goto nla_put_failure;
1475 if (nl80211_put_iface_combinations(&dev->wiphy, msg, split))
1476 goto nla_put_failure;
1482 if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
1483 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1484 dev->wiphy.ap_sme_capa))
1485 goto nla_put_failure;
1487 features = dev->wiphy.features;
1489 * We can only add the per-channel limit information if the
1490 * dump is split, otherwise it makes it too big. Therefore
1491 * only advertise it in that case.
1494 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
1495 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
1496 goto nla_put_failure;
1498 if (dev->wiphy.ht_capa_mod_mask &&
1499 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1500 sizeof(*dev->wiphy.ht_capa_mod_mask),
1501 dev->wiphy.ht_capa_mod_mask))
1502 goto nla_put_failure;
1504 if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
1505 dev->wiphy.max_acl_mac_addrs &&
1506 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1507 dev->wiphy.max_acl_mac_addrs))
1508 goto nla_put_failure;
1511 * Any information below this point is only available to
1512 * applications that can deal with it being split. This
1513 * helps ensure that newly added capabilities don't break
1514 * older tools by overrunning their buffers.
1516 * We still increment split_start so that in the split
1517 * case we'll continue with more data in the next round,
1518 * but break unconditionally so unsplit data stops here.
1523 if (dev->wiphy.extended_capabilities &&
1524 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1525 dev->wiphy.extended_capabilities_len,
1526 dev->wiphy.extended_capabilities) ||
1527 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1528 dev->wiphy.extended_capabilities_len,
1529 dev->wiphy.extended_capabilities_mask)))
1530 goto nla_put_failure;
1532 if (dev->wiphy.vht_capa_mod_mask &&
1533 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1534 sizeof(*dev->wiphy.vht_capa_mod_mask),
1535 dev->wiphy.vht_capa_mod_mask))
1536 goto nla_put_failure;
1542 return genlmsg_end(msg, hdr);
1545 genlmsg_cancel(msg, hdr);
1549 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1552 int start = cb->args[0];
1553 struct cfg80211_registered_device *dev;
1554 s64 filter_wiphy = -1;
1556 struct nlattr **tb = nl80211_fam.attrbuf;
1559 mutex_lock(&cfg80211_mutex);
1560 res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
1561 tb, nl80211_fam.maxattr, nl80211_policy);
1563 split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
1564 if (tb[NL80211_ATTR_WIPHY])
1565 filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1566 if (tb[NL80211_ATTR_WDEV])
1567 filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
1568 if (tb[NL80211_ATTR_IFINDEX]) {
1569 struct net_device *netdev;
1570 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
1572 netdev = dev_get_by_index(sock_net(skb->sk), ifidx);
1574 mutex_unlock(&cfg80211_mutex);
1577 if (netdev->ieee80211_ptr) {
1579 netdev->ieee80211_ptr->wiphy);
1580 filter_wiphy = dev->wiphy_idx;
1586 list_for_each_entry(dev, &cfg80211_rdev_list, list) {
1587 if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
1591 if (filter_wiphy != -1 && dev->wiphy_idx != filter_wiphy)
1593 /* attempt to fit multiple wiphy data chunks into the skb */
1595 ret = nl80211_send_wiphy(dev, skb,
1596 NETLINK_CB(cb->skb).portid,
1599 split, &cb->args[1],
1604 * If sending the wiphy data didn't fit (ENOBUFS
1605 * or EMSGSIZE returned), this SKB is still
1606 * empty (so it's not too big because another
1607 * wiphy dataset is already in the skb) and
1608 * we've not tried to adjust the dump allocation
1609 * yet ... then adjust the alloc size to be
1610 * bigger, and return 1 but with the empty skb.
1611 * This results in an empty message being RX'ed
1612 * in userspace, but that is ignored.
1614 * We can then retry with the larger buffer.
1616 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
1618 cb->min_dump_alloc < 4096) {
1619 cb->min_dump_alloc = 4096;
1620 mutex_unlock(&cfg80211_mutex);
1626 } while (cb->args[1] > 0);
1629 mutex_unlock(&cfg80211_mutex);
1636 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
1638 struct sk_buff *msg;
1639 struct cfg80211_registered_device *dev = info->user_ptr[0];
1641 msg = nlmsg_new(4096, GFP_KERNEL);
1645 if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0,
1646 false, NULL, NULL, NULL) < 0) {
1651 return genlmsg_reply(msg, info);
1654 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
1655 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
1656 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
1657 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
1658 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
1659 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
1662 static int parse_txq_params(struct nlattr *tb[],
1663 struct ieee80211_txq_params *txq_params)
1665 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
1666 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
1667 !tb[NL80211_TXQ_ATTR_AIFS])
1670 txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
1671 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
1672 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
1673 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
1674 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
1676 if (txq_params->ac >= NL80211_NUM_ACS)
1682 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
1685 * You can only set the channel explicitly for WDS interfaces,
1686 * all others have their channel managed via their respective
1687 * "establish a connection" command (connect, join, ...)
1689 * For AP/GO and mesh mode, the channel can be set with the
1690 * channel userspace API, but is only stored and passed to the
1691 * low-level driver when the AP starts or the mesh is joined.
1692 * This is for backward compatibility, userspace can also give
1693 * the channel in the start-ap or join-mesh commands instead.
1695 * Monitors are special as they are normally slaved to
1696 * whatever else is going on, so they have their own special
1697 * operation to set the monitor channel if possible.
1700 wdev->iftype == NL80211_IFTYPE_AP ||
1701 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
1702 wdev->iftype == NL80211_IFTYPE_MONITOR ||
1703 wdev->iftype == NL80211_IFTYPE_P2P_GO;
1706 static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
1707 struct genl_info *info,
1708 struct cfg80211_chan_def *chandef)
1712 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
1715 control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
1717 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
1718 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
1719 chandef->center_freq1 = control_freq;
1720 chandef->center_freq2 = 0;
1722 /* Primary channel not allowed */
1723 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED)
1726 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1727 enum nl80211_channel_type chantype;
1729 chantype = nla_get_u32(
1730 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1733 case NL80211_CHAN_NO_HT:
1734 case NL80211_CHAN_HT20:
1735 case NL80211_CHAN_HT40PLUS:
1736 case NL80211_CHAN_HT40MINUS:
1737 cfg80211_chandef_create(chandef, chandef->chan,
1743 } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
1745 nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]);
1746 if (info->attrs[NL80211_ATTR_CENTER_FREQ1])
1747 chandef->center_freq1 =
1749 info->attrs[NL80211_ATTR_CENTER_FREQ1]);
1750 if (info->attrs[NL80211_ATTR_CENTER_FREQ2])
1751 chandef->center_freq2 =
1753 info->attrs[NL80211_ATTR_CENTER_FREQ2]);
1756 if (!cfg80211_chandef_valid(chandef))
1759 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
1760 IEEE80211_CHAN_DISABLED))
1766 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
1767 struct wireless_dev *wdev,
1768 struct genl_info *info)
1770 struct cfg80211_chan_def chandef;
1772 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
1775 iftype = wdev->iftype;
1777 if (!nl80211_can_set_dev_channel(wdev))
1780 result = nl80211_parse_chandef(rdev, info, &chandef);
1784 mutex_lock(&rdev->devlist_mtx);
1786 case NL80211_IFTYPE_AP:
1787 case NL80211_IFTYPE_P2P_GO:
1788 if (wdev->beacon_interval) {
1792 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) {
1796 wdev->preset_chandef = chandef;
1799 case NL80211_IFTYPE_MESH_POINT:
1800 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
1802 case NL80211_IFTYPE_MONITOR:
1803 result = cfg80211_set_monitor_channel(rdev, &chandef);
1808 mutex_unlock(&rdev->devlist_mtx);
1813 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
1815 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1816 struct net_device *netdev = info->user_ptr[1];
1818 return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
1821 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
1823 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1824 struct net_device *dev = info->user_ptr[1];
1825 struct wireless_dev *wdev = dev->ieee80211_ptr;
1828 if (!info->attrs[NL80211_ATTR_MAC])
1831 if (netif_running(dev))
1834 if (!rdev->ops->set_wds_peer)
1837 if (wdev->iftype != NL80211_IFTYPE_WDS)
1840 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1841 return rdev_set_wds_peer(rdev, dev, bssid);
1845 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
1847 struct cfg80211_registered_device *rdev;
1848 struct net_device *netdev = NULL;
1849 struct wireless_dev *wdev;
1850 int result = 0, rem_txq_params = 0;
1851 struct nlattr *nl_txq_params;
1853 u8 retry_short = 0, retry_long = 0;
1854 u32 frag_threshold = 0, rts_threshold = 0;
1855 u8 coverage_class = 0;
1858 * Try to find the wiphy and netdev. Normally this
1859 * function shouldn't need the netdev, but this is
1860 * done for backward compatibility -- previously
1861 * setting the channel was done per wiphy, but now
1862 * it is per netdev. Previous userland like hostapd
1863 * also passed a netdev to set_wiphy, so that it is
1864 * possible to let that go to the right netdev!
1866 mutex_lock(&cfg80211_mutex);
1868 if (info->attrs[NL80211_ATTR_IFINDEX]) {
1869 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
1871 netdev = dev_get_by_index(genl_info_net(info), ifindex);
1872 if (netdev && netdev->ieee80211_ptr) {
1873 rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
1874 mutex_lock(&rdev->mtx);
1880 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
1883 mutex_unlock(&cfg80211_mutex);
1884 return PTR_ERR(rdev);
1890 mutex_lock(&rdev->mtx);
1892 wdev = netdev->ieee80211_ptr;
1895 * end workaround code, by now the rdev is available
1896 * and locked, and wdev may or may not be NULL.
1899 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
1900 result = cfg80211_dev_rename(
1901 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
1903 mutex_unlock(&cfg80211_mutex);
1908 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
1909 struct ieee80211_txq_params txq_params;
1910 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
1912 if (!rdev->ops->set_txq_params) {
1913 result = -EOPNOTSUPP;
1922 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
1923 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
1928 if (!netif_running(netdev)) {
1933 nla_for_each_nested(nl_txq_params,
1934 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
1936 nla_parse(tb, NL80211_TXQ_ATTR_MAX,
1937 nla_data(nl_txq_params),
1938 nla_len(nl_txq_params),
1940 result = parse_txq_params(tb, &txq_params);
1944 result = rdev_set_txq_params(rdev, netdev,
1951 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
1952 result = __nl80211_set_channel(rdev,
1953 nl80211_can_set_dev_channel(wdev) ? wdev : NULL,
1959 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
1960 struct wireless_dev *txp_wdev = wdev;
1961 enum nl80211_tx_power_setting type;
1964 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
1967 if (!rdev->ops->set_tx_power) {
1968 result = -EOPNOTSUPP;
1972 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
1973 type = nla_get_u32(info->attrs[idx]);
1975 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
1976 (type != NL80211_TX_POWER_AUTOMATIC)) {
1981 if (type != NL80211_TX_POWER_AUTOMATIC) {
1982 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
1983 mbm = nla_get_u32(info->attrs[idx]);
1986 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
1991 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
1992 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
1994 if ((!rdev->wiphy.available_antennas_tx &&
1995 !rdev->wiphy.available_antennas_rx) ||
1996 !rdev->ops->set_antenna) {
1997 result = -EOPNOTSUPP;
2001 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2002 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2004 /* reject antenna configurations which don't match the
2005 * available antenna masks, except for the "all" mask */
2006 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
2007 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
2012 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2013 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
2015 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
2022 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2023 retry_short = nla_get_u8(
2024 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
2025 if (retry_short == 0) {
2029 changed |= WIPHY_PARAM_RETRY_SHORT;
2032 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2033 retry_long = nla_get_u8(
2034 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
2035 if (retry_long == 0) {
2039 changed |= WIPHY_PARAM_RETRY_LONG;
2042 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2043 frag_threshold = nla_get_u32(
2044 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
2045 if (frag_threshold < 256) {
2049 if (frag_threshold != (u32) -1) {
2051 * Fragments (apart from the last one) are required to
2052 * have even length. Make the fragmentation code
2053 * simpler by stripping LSB should someone try to use
2054 * odd threshold value.
2056 frag_threshold &= ~0x1;
2058 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2061 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2062 rts_threshold = nla_get_u32(
2063 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2064 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2067 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
2068 coverage_class = nla_get_u8(
2069 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2070 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2074 u8 old_retry_short, old_retry_long;
2075 u32 old_frag_threshold, old_rts_threshold;
2076 u8 old_coverage_class;
2078 if (!rdev->ops->set_wiphy_params) {
2079 result = -EOPNOTSUPP;
2083 old_retry_short = rdev->wiphy.retry_short;
2084 old_retry_long = rdev->wiphy.retry_long;
2085 old_frag_threshold = rdev->wiphy.frag_threshold;
2086 old_rts_threshold = rdev->wiphy.rts_threshold;
2087 old_coverage_class = rdev->wiphy.coverage_class;
2089 if (changed & WIPHY_PARAM_RETRY_SHORT)
2090 rdev->wiphy.retry_short = retry_short;
2091 if (changed & WIPHY_PARAM_RETRY_LONG)
2092 rdev->wiphy.retry_long = retry_long;
2093 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2094 rdev->wiphy.frag_threshold = frag_threshold;
2095 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2096 rdev->wiphy.rts_threshold = rts_threshold;
2097 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2098 rdev->wiphy.coverage_class = coverage_class;
2100 result = rdev_set_wiphy_params(rdev, changed);
2102 rdev->wiphy.retry_short = old_retry_short;
2103 rdev->wiphy.retry_long = old_retry_long;
2104 rdev->wiphy.frag_threshold = old_frag_threshold;
2105 rdev->wiphy.rts_threshold = old_rts_threshold;
2106 rdev->wiphy.coverage_class = old_coverage_class;
2111 mutex_unlock(&rdev->mtx);
2117 static inline u64 wdev_id(struct wireless_dev *wdev)
2119 return (u64)wdev->identifier |
2120 ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32);
2123 static int nl80211_send_chandef(struct sk_buff *msg,
2124 struct cfg80211_chan_def *chandef)
2126 WARN_ON(!cfg80211_chandef_valid(chandef));
2128 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
2129 chandef->chan->center_freq))
2131 switch (chandef->width) {
2132 case NL80211_CHAN_WIDTH_20_NOHT:
2133 case NL80211_CHAN_WIDTH_20:
2134 case NL80211_CHAN_WIDTH_40:
2135 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
2136 cfg80211_get_chandef_type(chandef)))
2142 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
2144 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
2146 if (chandef->center_freq2 &&
2147 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
2152 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
2153 struct cfg80211_registered_device *rdev,
2154 struct wireless_dev *wdev)
2156 struct net_device *dev = wdev->netdev;
2159 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE);
2164 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2165 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
2166 goto nla_put_failure;
2168 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2169 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2170 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
2171 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
2172 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2173 rdev->devlist_generation ^
2174 (cfg80211_rdev_list_generation << 2)))
2175 goto nla_put_failure;
2177 if (rdev->ops->get_channel) {
2179 struct cfg80211_chan_def chandef;
2181 ret = rdev_get_channel(rdev, wdev, &chandef);
2183 if (nl80211_send_chandef(msg, &chandef))
2184 goto nla_put_failure;
2188 if (wdev->ssid_len) {
2189 if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
2190 goto nla_put_failure;
2193 return genlmsg_end(msg, hdr);
2196 genlmsg_cancel(msg, hdr);
2200 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
2204 int wp_start = cb->args[0];
2205 int if_start = cb->args[1];
2206 struct cfg80211_registered_device *rdev;
2207 struct wireless_dev *wdev;
2209 mutex_lock(&cfg80211_mutex);
2210 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2211 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2213 if (wp_idx < wp_start) {
2219 mutex_lock(&rdev->devlist_mtx);
2220 list_for_each_entry(wdev, &rdev->wdev_list, list) {
2221 if (if_idx < if_start) {
2225 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
2226 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2228 mutex_unlock(&rdev->devlist_mtx);
2233 mutex_unlock(&rdev->devlist_mtx);
2238 mutex_unlock(&cfg80211_mutex);
2240 cb->args[0] = wp_idx;
2241 cb->args[1] = if_idx;
2246 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
2248 struct sk_buff *msg;
2249 struct cfg80211_registered_device *dev = info->user_ptr[0];
2250 struct wireless_dev *wdev = info->user_ptr[1];
2252 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2256 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2262 return genlmsg_reply(msg, info);
2265 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
2266 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
2267 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
2268 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
2269 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
2270 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
2273 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
2275 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
2283 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
2284 nla, mntr_flags_policy))
2287 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
2289 *mntrflags |= (1<<flag);
2294 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
2295 struct net_device *netdev, u8 use_4addr,
2296 enum nl80211_iftype iftype)
2299 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
2305 case NL80211_IFTYPE_AP_VLAN:
2306 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
2309 case NL80211_IFTYPE_STATION:
2310 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
2320 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
2322 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2323 struct vif_params params;
2325 enum nl80211_iftype otype, ntype;
2326 struct net_device *dev = info->user_ptr[1];
2327 u32 _flags, *flags = NULL;
2328 bool change = false;
2330 memset(¶ms, 0, sizeof(params));
2332 otype = ntype = dev->ieee80211_ptr->iftype;
2334 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2335 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2338 if (ntype > NL80211_IFTYPE_MAX)
2342 if (info->attrs[NL80211_ATTR_MESH_ID]) {
2343 struct wireless_dev *wdev = dev->ieee80211_ptr;
2345 if (ntype != NL80211_IFTYPE_MESH_POINT)
2347 if (netif_running(dev))
2351 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2352 IEEE80211_MAX_MESH_ID_LEN);
2353 wdev->mesh_id_up_len =
2354 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2355 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2356 wdev->mesh_id_up_len);
2360 if (info->attrs[NL80211_ATTR_4ADDR]) {
2361 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2363 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
2367 params.use_4addr = -1;
2370 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
2371 if (ntype != NL80211_IFTYPE_MONITOR)
2373 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
2383 err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
2387 if (!err && params.use_4addr != -1)
2388 dev->ieee80211_ptr->use_4addr = params.use_4addr;
2393 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
2395 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2396 struct vif_params params;
2397 struct wireless_dev *wdev;
2398 struct sk_buff *msg;
2400 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
2403 memset(¶ms, 0, sizeof(params));
2405 if (!info->attrs[NL80211_ATTR_IFNAME])
2408 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2409 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2410 if (type > NL80211_IFTYPE_MAX)
2414 if (!rdev->ops->add_virtual_intf ||
2415 !(rdev->wiphy.interface_modes & (1 << type)))
2418 if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) {
2419 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
2421 if (!is_valid_ether_addr(params.macaddr))
2422 return -EADDRNOTAVAIL;
2425 if (info->attrs[NL80211_ATTR_4ADDR]) {
2426 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2427 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
2432 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2436 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
2437 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
2439 wdev = rdev_add_virtual_intf(rdev,
2440 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
2441 type, err ? NULL : &flags, ¶ms);
2444 return PTR_ERR(wdev);
2448 case NL80211_IFTYPE_MESH_POINT:
2449 if (!info->attrs[NL80211_ATTR_MESH_ID])
2452 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2453 IEEE80211_MAX_MESH_ID_LEN);
2454 wdev->mesh_id_up_len =
2455 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2456 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2457 wdev->mesh_id_up_len);
2460 case NL80211_IFTYPE_P2P_DEVICE:
2462 * P2P Device doesn't have a netdev, so doesn't go
2463 * through the netdev notifier and must be added here
2465 mutex_init(&wdev->mtx);
2466 INIT_LIST_HEAD(&wdev->event_list);
2467 spin_lock_init(&wdev->event_lock);
2468 INIT_LIST_HEAD(&wdev->mgmt_registrations);
2469 spin_lock_init(&wdev->mgmt_registrations_lock);
2471 mutex_lock(&rdev->devlist_mtx);
2472 wdev->identifier = ++rdev->wdev_id;
2473 list_add_rcu(&wdev->list, &rdev->wdev_list);
2474 rdev->devlist_generation++;
2475 mutex_unlock(&rdev->devlist_mtx);
2481 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2487 return genlmsg_reply(msg, info);
2490 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
2492 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2493 struct wireless_dev *wdev = info->user_ptr[1];
2495 if (!rdev->ops->del_virtual_intf)
2499 * If we remove a wireless device without a netdev then clear
2500 * user_ptr[1] so that nl80211_post_doit won't dereference it
2501 * to check if it needs to do dev_put(). Otherwise it crashes
2502 * since the wdev has been freed, unlike with a netdev where
2503 * we need the dev_put() for the netdev to really be freed.
2506 info->user_ptr[1] = NULL;
2508 return rdev_del_virtual_intf(rdev, wdev);
2511 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
2513 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2514 struct net_device *dev = info->user_ptr[1];
2517 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
2520 if (!rdev->ops->set_noack_map)
2523 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
2525 return rdev_set_noack_map(rdev, dev, noack_map);
2528 struct get_key_cookie {
2529 struct sk_buff *msg;
2534 static void get_key_callback(void *c, struct key_params *params)
2537 struct get_key_cookie *cookie = c;
2540 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
2541 params->key_len, params->key)) ||
2543 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
2544 params->seq_len, params->seq)) ||
2546 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
2548 goto nla_put_failure;
2550 key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
2552 goto nla_put_failure;
2555 nla_put(cookie->msg, NL80211_KEY_DATA,
2556 params->key_len, params->key)) ||
2558 nla_put(cookie->msg, NL80211_KEY_SEQ,
2559 params->seq_len, params->seq)) ||
2561 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
2563 goto nla_put_failure;
2565 if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx))
2566 goto nla_put_failure;
2568 nla_nest_end(cookie->msg, key);
2575 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
2577 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2579 struct net_device *dev = info->user_ptr[1];
2581 const u8 *mac_addr = NULL;
2583 struct get_key_cookie cookie = {
2587 struct sk_buff *msg;
2589 if (info->attrs[NL80211_ATTR_KEY_IDX])
2590 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
2595 if (info->attrs[NL80211_ATTR_MAC])
2596 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2598 pairwise = !!mac_addr;
2599 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
2600 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
2601 if (kt >= NUM_NL80211_KEYTYPES)
2603 if (kt != NL80211_KEYTYPE_GROUP &&
2604 kt != NL80211_KEYTYPE_PAIRWISE)
2606 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
2609 if (!rdev->ops->get_key)
2612 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2616 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
2617 NL80211_CMD_NEW_KEY);
2619 return PTR_ERR(hdr);
2622 cookie.idx = key_idx;
2624 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2625 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2626 goto nla_put_failure;
2628 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
2629 goto nla_put_failure;
2631 if (pairwise && mac_addr &&
2632 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2635 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
2642 goto nla_put_failure;
2644 genlmsg_end(msg, hdr);
2645 return genlmsg_reply(msg, info);
2654 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
2656 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2657 struct key_parse key;
2659 struct net_device *dev = info->user_ptr[1];
2661 err = nl80211_parse_key(info, &key);
2668 /* only support setting default key */
2669 if (!key.def && !key.defmgmt)
2672 wdev_lock(dev->ieee80211_ptr);
2675 if (!rdev->ops->set_default_key) {
2680 err = nl80211_key_allowed(dev->ieee80211_ptr);
2684 err = rdev_set_default_key(rdev, dev, key.idx,
2685 key.def_uni, key.def_multi);
2690 #ifdef CONFIG_CFG80211_WEXT
2691 dev->ieee80211_ptr->wext.default_key = key.idx;
2694 if (key.def_uni || !key.def_multi) {
2699 if (!rdev->ops->set_default_mgmt_key) {
2704 err = nl80211_key_allowed(dev->ieee80211_ptr);
2708 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
2712 #ifdef CONFIG_CFG80211_WEXT
2713 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
2718 wdev_unlock(dev->ieee80211_ptr);
2723 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
2725 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2727 struct net_device *dev = info->user_ptr[1];
2728 struct key_parse key;
2729 const u8 *mac_addr = NULL;
2731 err = nl80211_parse_key(info, &key);
2738 if (info->attrs[NL80211_ATTR_MAC])
2739 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2741 if (key.type == -1) {
2743 key.type = NL80211_KEYTYPE_PAIRWISE;
2745 key.type = NL80211_KEYTYPE_GROUP;
2749 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2750 key.type != NL80211_KEYTYPE_GROUP)
2753 if (!rdev->ops->add_key)
2756 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
2757 key.type == NL80211_KEYTYPE_PAIRWISE,
2761 wdev_lock(dev->ieee80211_ptr);
2762 err = nl80211_key_allowed(dev->ieee80211_ptr);
2764 err = rdev_add_key(rdev, dev, key.idx,
2765 key.type == NL80211_KEYTYPE_PAIRWISE,
2767 wdev_unlock(dev->ieee80211_ptr);
2772 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
2774 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2776 struct net_device *dev = info->user_ptr[1];
2777 u8 *mac_addr = NULL;
2778 struct key_parse key;
2780 err = nl80211_parse_key(info, &key);
2784 if (info->attrs[NL80211_ATTR_MAC])
2785 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2787 if (key.type == -1) {
2789 key.type = NL80211_KEYTYPE_PAIRWISE;
2791 key.type = NL80211_KEYTYPE_GROUP;
2795 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2796 key.type != NL80211_KEYTYPE_GROUP)
2799 if (!rdev->ops->del_key)
2802 wdev_lock(dev->ieee80211_ptr);
2803 err = nl80211_key_allowed(dev->ieee80211_ptr);
2805 if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr &&
2806 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2810 err = rdev_del_key(rdev, dev, key.idx,
2811 key.type == NL80211_KEYTYPE_PAIRWISE,
2814 #ifdef CONFIG_CFG80211_WEXT
2816 if (key.idx == dev->ieee80211_ptr->wext.default_key)
2817 dev->ieee80211_ptr->wext.default_key = -1;
2818 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
2819 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
2822 wdev_unlock(dev->ieee80211_ptr);
2827 /* This function returns an error or the number of nested attributes */
2828 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
2830 struct nlattr *attr;
2831 int n_entries = 0, tmp;
2833 nla_for_each_nested(attr, nl_attr, tmp) {
2834 if (nla_len(attr) != ETH_ALEN)
2844 * This function parses ACL information and allocates memory for ACL data.
2845 * On successful return, the calling function is responsible to free the
2846 * ACL buffer returned by this function.
2848 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
2849 struct genl_info *info)
2851 enum nl80211_acl_policy acl_policy;
2852 struct nlattr *attr;
2853 struct cfg80211_acl_data *acl;
2854 int i = 0, n_entries, tmp;
2856 if (!wiphy->max_acl_mac_addrs)
2857 return ERR_PTR(-EOPNOTSUPP);
2859 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
2860 return ERR_PTR(-EINVAL);
2862 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
2863 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
2864 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
2865 return ERR_PTR(-EINVAL);
2867 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
2868 return ERR_PTR(-EINVAL);
2870 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
2872 return ERR_PTR(n_entries);
2874 if (n_entries > wiphy->max_acl_mac_addrs)
2875 return ERR_PTR(-ENOTSUPP);
2877 acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries),
2880 return ERR_PTR(-ENOMEM);
2882 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
2883 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
2887 acl->n_acl_entries = n_entries;
2888 acl->acl_policy = acl_policy;
2893 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
2895 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2896 struct net_device *dev = info->user_ptr[1];
2897 struct cfg80211_acl_data *acl;
2900 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2901 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2904 if (!dev->ieee80211_ptr->beacon_interval)
2907 acl = parse_acl_data(&rdev->wiphy, info);
2909 return PTR_ERR(acl);
2911 err = rdev_set_mac_acl(rdev, dev, acl);
2918 static int nl80211_parse_beacon(struct genl_info *info,
2919 struct cfg80211_beacon_data *bcn)
2921 bool haveinfo = false;
2923 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) ||
2924 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) ||
2925 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
2926 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]))
2929 memset(bcn, 0, sizeof(*bcn));
2931 if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
2932 bcn->head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
2933 bcn->head_len = nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]);
2939 if (info->attrs[NL80211_ATTR_BEACON_TAIL]) {
2940 bcn->tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]);
2942 nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]);
2949 if (info->attrs[NL80211_ATTR_IE]) {
2950 bcn->beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]);
2951 bcn->beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2954 if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) {
2955 bcn->proberesp_ies =
2956 nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
2957 bcn->proberesp_ies_len =
2958 nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
2961 if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
2962 bcn->assocresp_ies =
2963 nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
2964 bcn->assocresp_ies_len =
2965 nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
2968 if (info->attrs[NL80211_ATTR_PROBE_RESP]) {
2970 nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]);
2971 bcn->probe_resp_len =
2972 nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]);
2978 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
2979 struct cfg80211_ap_settings *params)
2981 struct wireless_dev *wdev;
2984 mutex_lock(&rdev->devlist_mtx);
2986 list_for_each_entry(wdev, &rdev->wdev_list, list) {
2987 if (wdev->iftype != NL80211_IFTYPE_AP &&
2988 wdev->iftype != NL80211_IFTYPE_P2P_GO)
2991 if (!wdev->preset_chandef.chan)
2994 params->chandef = wdev->preset_chandef;
2999 mutex_unlock(&rdev->devlist_mtx);
3004 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
3005 enum nl80211_auth_type auth_type,
3006 enum nl80211_commands cmd)
3008 if (auth_type > NL80211_AUTHTYPE_MAX)
3012 case NL80211_CMD_AUTHENTICATE:
3013 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
3014 auth_type == NL80211_AUTHTYPE_SAE)
3017 case NL80211_CMD_CONNECT:
3018 case NL80211_CMD_START_AP:
3019 /* SAE not supported yet */
3020 if (auth_type == NL80211_AUTHTYPE_SAE)
3028 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
3030 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3031 struct net_device *dev = info->user_ptr[1];
3032 struct wireless_dev *wdev = dev->ieee80211_ptr;
3033 struct cfg80211_ap_settings params;
3035 u8 radar_detect_width = 0;
3037 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3038 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3041 if (!rdev->ops->start_ap)
3044 if (wdev->beacon_interval)
3047 memset(¶ms, 0, sizeof(params));
3049 /* these are required for START_AP */
3050 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
3051 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
3052 !info->attrs[NL80211_ATTR_BEACON_HEAD])
3055 err = nl80211_parse_beacon(info, ¶ms.beacon);
3059 params.beacon_interval =
3060 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
3061 params.dtim_period =
3062 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
3064 err = cfg80211_validate_beacon_int(rdev, params.beacon_interval);
3069 * In theory, some of these attributes should be required here
3070 * but since they were not used when the command was originally
3071 * added, keep them optional for old user space programs to let
3072 * them continue to work with drivers that do not need the
3073 * additional information -- drivers must check!
3075 if (info->attrs[NL80211_ATTR_SSID]) {
3076 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
3078 nla_len(info->attrs[NL80211_ATTR_SSID]);
3079 if (params.ssid_len == 0 ||
3080 params.ssid_len > IEEE80211_MAX_SSID_LEN)
3084 if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
3085 params.hidden_ssid = nla_get_u32(
3086 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
3087 if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE &&
3088 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN &&
3089 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS)
3093 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
3095 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
3096 params.auth_type = nla_get_u32(
3097 info->attrs[NL80211_ATTR_AUTH_TYPE]);
3098 if (!nl80211_valid_auth_type(rdev, params.auth_type,
3099 NL80211_CMD_START_AP))
3102 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
3104 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
3105 NL80211_MAX_NR_CIPHER_SUITES);
3109 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
3110 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
3112 params.inactivity_timeout = nla_get_u16(
3113 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
3116 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
3117 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3119 params.p2p_ctwindow =
3120 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
3121 if (params.p2p_ctwindow > 127)
3123 if (params.p2p_ctwindow != 0 &&
3124 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
3128 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
3131 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3133 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
3136 params.p2p_opp_ps = tmp;
3137 if (params.p2p_opp_ps != 0 &&
3138 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
3142 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3143 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
3146 } else if (wdev->preset_chandef.chan) {
3147 params.chandef = wdev->preset_chandef;
3148 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
3151 if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef))
3154 err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef);
3158 radar_detect_width = BIT(params.chandef.width);
3159 params.radar_required = true;
3162 mutex_lock(&rdev->devlist_mtx);
3163 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
3164 params.chandef.chan,
3166 radar_detect_width);
3167 mutex_unlock(&rdev->devlist_mtx);
3172 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
3173 params.acl = parse_acl_data(&rdev->wiphy, info);
3174 if (IS_ERR(params.acl))
3175 return PTR_ERR(params.acl);
3178 err = rdev_start_ap(rdev, dev, ¶ms);
3180 wdev->preset_chandef = params.chandef;
3181 wdev->beacon_interval = params.beacon_interval;
3182 wdev->channel = params.chandef.chan;
3183 wdev->ssid_len = params.ssid_len;
3184 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
3192 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
3194 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3195 struct net_device *dev = info->user_ptr[1];
3196 struct wireless_dev *wdev = dev->ieee80211_ptr;
3197 struct cfg80211_beacon_data params;
3200 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3201 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3204 if (!rdev->ops->change_beacon)
3207 if (!wdev->beacon_interval)
3210 err = nl80211_parse_beacon(info, ¶ms);
3214 return rdev_change_beacon(rdev, dev, ¶ms);
3217 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
3219 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3220 struct net_device *dev = info->user_ptr[1];
3222 return cfg80211_stop_ap(rdev, dev);
3225 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
3226 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
3227 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
3228 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
3229 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
3230 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
3231 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
3234 static int parse_station_flags(struct genl_info *info,
3235 enum nl80211_iftype iftype,
3236 struct station_parameters *params)
3238 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
3243 * Try parsing the new attribute first so userspace
3244 * can specify both for older kernels.
3246 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
3248 struct nl80211_sta_flag_update *sta_flags;
3250 sta_flags = nla_data(nla);
3251 params->sta_flags_mask = sta_flags->mask;
3252 params->sta_flags_set = sta_flags->set;
3253 params->sta_flags_set &= params->sta_flags_mask;
3254 if ((params->sta_flags_mask |
3255 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
3260 /* if present, parse the old attribute */
3262 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
3266 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
3267 nla, sta_flags_policy))
3271 * Only allow certain flags for interface types so that
3272 * other attributes are silently ignored. Remember that
3273 * this is backward compatibility code with old userspace
3274 * and shouldn't be hit in other cases anyway.
3277 case NL80211_IFTYPE_AP:
3278 case NL80211_IFTYPE_AP_VLAN:
3279 case NL80211_IFTYPE_P2P_GO:
3280 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
3281 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
3282 BIT(NL80211_STA_FLAG_WME) |
3283 BIT(NL80211_STA_FLAG_MFP);
3285 case NL80211_IFTYPE_P2P_CLIENT:
3286 case NL80211_IFTYPE_STATION:
3287 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
3288 BIT(NL80211_STA_FLAG_TDLS_PEER);
3290 case NL80211_IFTYPE_MESH_POINT:
3291 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3292 BIT(NL80211_STA_FLAG_MFP) |
3293 BIT(NL80211_STA_FLAG_AUTHORIZED);
3298 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
3300 params->sta_flags_set |= (1<<flag);
3302 /* no longer support new API additions in old API */
3303 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
3311 static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
3314 struct nlattr *rate;
3318 rate = nla_nest_start(msg, attr);
3322 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3323 bitrate = cfg80211_calculate_bitrate(info);
3324 /* report 16-bit bitrate only if we can */
3325 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
3327 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
3329 if (bitrate_compat > 0 &&
3330 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
3333 if (info->flags & RATE_INFO_FLAGS_MCS) {
3334 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
3336 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
3337 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
3339 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
3340 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
3342 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
3343 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
3345 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
3347 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
3348 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
3350 if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH &&
3351 nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH))
3353 if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH &&
3354 nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH))
3356 if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH &&
3357 nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH))
3359 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
3360 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
3364 nla_nest_end(msg, rate);
3368 static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
3370 struct cfg80211_registered_device *rdev,
3371 struct net_device *dev,
3372 const u8 *mac_addr, struct station_info *sinfo)
3375 struct nlattr *sinfoattr, *bss_param;
3377 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
3381 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3382 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
3383 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
3384 goto nla_put_failure;
3386 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
3388 goto nla_put_failure;
3389 if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) &&
3390 nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME,
3391 sinfo->connected_time))
3392 goto nla_put_failure;
3393 if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) &&
3394 nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME,
3395 sinfo->inactive_time))
3396 goto nla_put_failure;
3397 if ((sinfo->filled & (STATION_INFO_RX_BYTES |
3398 STATION_INFO_RX_BYTES64)) &&
3399 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
3400 (u32)sinfo->rx_bytes))
3401 goto nla_put_failure;
3402 if ((sinfo->filled & (STATION_INFO_TX_BYTES |
3403 NL80211_STA_INFO_TX_BYTES64)) &&
3404 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
3405 (u32)sinfo->tx_bytes))
3406 goto nla_put_failure;
3407 if ((sinfo->filled & STATION_INFO_RX_BYTES64) &&
3408 nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64,
3410 goto nla_put_failure;
3411 if ((sinfo->filled & STATION_INFO_TX_BYTES64) &&
3412 nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64,
3414 goto nla_put_failure;
3415 if ((sinfo->filled & STATION_INFO_LLID) &&
3416 nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid))
3417 goto nla_put_failure;
3418 if ((sinfo->filled & STATION_INFO_PLID) &&
3419 nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid))
3420 goto nla_put_failure;
3421 if ((sinfo->filled & STATION_INFO_PLINK_STATE) &&
3422 nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE,
3423 sinfo->plink_state))
3424 goto nla_put_failure;
3425 switch (rdev->wiphy.signal_type) {
3426 case CFG80211_SIGNAL_TYPE_MBM:
3427 if ((sinfo->filled & STATION_INFO_SIGNAL) &&
3428 nla_put_u8(msg, NL80211_STA_INFO_SIGNAL,
3430 goto nla_put_failure;
3431 if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) &&
3432 nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG,
3434 goto nla_put_failure;
3439 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
3440 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
3441 NL80211_STA_INFO_TX_BITRATE))
3442 goto nla_put_failure;
3444 if (sinfo->filled & STATION_INFO_RX_BITRATE) {
3445 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
3446 NL80211_STA_INFO_RX_BITRATE))
3447 goto nla_put_failure;
3449 if ((sinfo->filled & STATION_INFO_RX_PACKETS) &&
3450 nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS,
3452 goto nla_put_failure;
3453 if ((sinfo->filled & STATION_INFO_TX_PACKETS) &&
3454 nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS,
3456 goto nla_put_failure;
3457 if ((sinfo->filled & STATION_INFO_TX_RETRIES) &&
3458 nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES,
3460 goto nla_put_failure;
3461 if ((sinfo->filled & STATION_INFO_TX_FAILED) &&
3462 nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED,
3464 goto nla_put_failure;
3465 if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) &&
3466 nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS,
3467 sinfo->beacon_loss_count))
3468 goto nla_put_failure;
3469 if ((sinfo->filled & STATION_INFO_LOCAL_PM) &&
3470 nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM,
3472 goto nla_put_failure;
3473 if ((sinfo->filled & STATION_INFO_PEER_PM) &&
3474 nla_put_u32(msg, NL80211_STA_INFO_PEER_PM,
3476 goto nla_put_failure;
3477 if ((sinfo->filled & STATION_INFO_NONPEER_PM) &&
3478 nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM,
3480 goto nla_put_failure;
3481 if (sinfo->filled & STATION_INFO_BSS_PARAM) {
3482 bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
3484 goto nla_put_failure;
3486 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
3487 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
3488 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
3489 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
3490 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
3491 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
3492 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
3493 sinfo->bss_param.dtim_period) ||
3494 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
3495 sinfo->bss_param.beacon_interval))
3496 goto nla_put_failure;
3498 nla_nest_end(msg, bss_param);
3500 if ((sinfo->filled & STATION_INFO_STA_FLAGS) &&
3501 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
3502 sizeof(struct nl80211_sta_flag_update),
3504 goto nla_put_failure;
3505 if ((sinfo->filled & STATION_INFO_T_OFFSET) &&
3506 nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET,
3508 goto nla_put_failure;
3509 nla_nest_end(msg, sinfoattr);
3511 if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) &&
3512 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
3513 sinfo->assoc_req_ies))
3514 goto nla_put_failure;
3516 return genlmsg_end(msg, hdr);
3519 genlmsg_cancel(msg, hdr);
3523 static int nl80211_dump_station(struct sk_buff *skb,
3524 struct netlink_callback *cb)
3526 struct station_info sinfo;
3527 struct cfg80211_registered_device *dev;
3528 struct net_device *netdev;
3529 u8 mac_addr[ETH_ALEN];
3530 int sta_idx = cb->args[1];
3533 err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
3537 if (!dev->ops->dump_station) {
3543 memset(&sinfo, 0, sizeof(sinfo));
3544 err = rdev_dump_station(dev, netdev, sta_idx,
3551 if (nl80211_send_station(skb,
3552 NETLINK_CB(cb->skb).portid,
3553 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3554 dev, netdev, mac_addr,
3563 cb->args[1] = sta_idx;
3566 nl80211_finish_netdev_dump(dev);
3571 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
3573 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3574 struct net_device *dev = info->user_ptr[1];
3575 struct station_info sinfo;
3576 struct sk_buff *msg;
3577 u8 *mac_addr = NULL;
3580 memset(&sinfo, 0, sizeof(sinfo));
3582 if (!info->attrs[NL80211_ATTR_MAC])
3585 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3587 if (!rdev->ops->get_station)
3590 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
3594 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3598 if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0,
3599 rdev, dev, mac_addr, &sinfo) < 0) {
3604 return genlmsg_reply(msg, info);
3607 int cfg80211_check_station_change(struct wiphy *wiphy,
3608 struct station_parameters *params,
3609 enum cfg80211_station_type statype)
3611 if (params->listen_interval != -1)
3616 /* When you run into this, adjust the code below for the new flag */
3617 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
3620 case CFG80211_STA_MESH_PEER_KERNEL:
3621 case CFG80211_STA_MESH_PEER_USER:
3623 * No ignoring the TDLS flag here -- the userspace mesh
3624 * code doesn't have the bug of including TDLS in the
3627 if (params->sta_flags_mask &
3628 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3629 BIT(NL80211_STA_FLAG_MFP) |
3630 BIT(NL80211_STA_FLAG_AUTHORIZED)))
3633 case CFG80211_STA_TDLS_PEER_SETUP:
3634 case CFG80211_STA_TDLS_PEER_ACTIVE:
3635 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3637 /* ignore since it can't change */
3638 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3641 /* disallow mesh-specific things */
3642 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
3644 if (params->local_pm)
3646 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
3650 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
3651 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
3652 /* TDLS can't be set, ... */
3653 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
3656 * ... but don't bother the driver with it. This works around
3657 * a hostapd/wpa_supplicant issue -- it always includes the
3658 * TLDS_PEER flag in the mask even for AP mode.
3660 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3663 if (statype != CFG80211_STA_TDLS_PEER_SETUP) {
3664 /* reject other things that can't change */
3665 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
3667 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
3669 if (params->supported_rates)
3671 if (params->ext_capab || params->ht_capa || params->vht_capa)
3675 if (statype != CFG80211_STA_AP_CLIENT) {
3681 case CFG80211_STA_AP_MLME_CLIENT:
3682 /* Use this only for authorizing/unauthorizing a station */
3683 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
3686 case CFG80211_STA_AP_CLIENT:
3687 /* accept only the listed bits */
3688 if (params->sta_flags_mask &
3689 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
3690 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3691 BIT(NL80211_STA_FLAG_ASSOCIATED) |
3692 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
3693 BIT(NL80211_STA_FLAG_WME) |
3694 BIT(NL80211_STA_FLAG_MFP)))
3697 /* but authenticated/associated only if driver handles it */
3698 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
3699 params->sta_flags_mask &
3700 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3701 BIT(NL80211_STA_FLAG_ASSOCIATED)))
3704 case CFG80211_STA_IBSS:
3705 case CFG80211_STA_AP_STA:
3706 /* reject any changes other than AUTHORIZED */
3707 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
3710 case CFG80211_STA_TDLS_PEER_SETUP:
3711 /* reject any changes other than AUTHORIZED or WME */
3712 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
3713 BIT(NL80211_STA_FLAG_WME)))
3715 /* force (at least) rates when authorizing */
3716 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
3717 !params->supported_rates)
3720 case CFG80211_STA_TDLS_PEER_ACTIVE:
3721 /* reject any changes */
3723 case CFG80211_STA_MESH_PEER_KERNEL:
3724 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
3727 case CFG80211_STA_MESH_PEER_USER:
3728 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
3735 EXPORT_SYMBOL(cfg80211_check_station_change);
3738 * Get vlan interface making sure it is running and on the right wiphy.
3740 static struct net_device *get_vlan(struct genl_info *info,
3741 struct cfg80211_registered_device *rdev)
3743 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
3744 struct net_device *v;
3750 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
3752 return ERR_PTR(-ENODEV);
3754 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
3759 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
3760 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3761 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3766 if (!netif_running(v)) {
3774 return ERR_PTR(ret);
3777 static struct nla_policy
3778 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
3779 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
3780 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
3783 static int nl80211_parse_sta_wme(struct genl_info *info,
3784 struct station_parameters *params)
3786 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
3790 /* parse WME attributes if present */
3791 if (!info->attrs[NL80211_ATTR_STA_WME])
3794 nla = info->attrs[NL80211_ATTR_STA_WME];
3795 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
3796 nl80211_sta_wme_policy);
3800 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
3801 params->uapsd_queues = nla_get_u8(
3802 tb[NL80211_STA_WME_UAPSD_QUEUES]);
3803 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
3806 if (tb[NL80211_STA_WME_MAX_SP])
3807 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
3809 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
3812 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
3817 static int nl80211_set_station_tdls(struct genl_info *info,
3818 struct station_parameters *params)
3820 /* Dummy STA entry gets updated once the peer capabilities are known */
3821 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
3823 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
3824 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
3826 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
3828 return nl80211_parse_sta_wme(info, params);
3831 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
3833 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3834 struct net_device *dev = info->user_ptr[1];
3835 struct station_parameters params;
3839 memset(¶ms, 0, sizeof(params));
3841 params.listen_interval = -1;
3843 if (!rdev->ops->change_station)
3846 if (info->attrs[NL80211_ATTR_STA_AID])
3849 if (!info->attrs[NL80211_ATTR_MAC])
3852 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3854 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
3855 params.supported_rates =
3856 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
3857 params.supported_rates_len =
3858 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
3861 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
3863 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
3864 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
3867 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
3869 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
3870 params.ext_capab_len =
3871 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
3874 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
3877 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
3880 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
3881 params.plink_action =
3882 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
3883 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
3887 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
3888 params.plink_state =
3889 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
3890 if (params.plink_state >= NUM_NL80211_PLINK_STATES)
3892 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
3895 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) {
3896 enum nl80211_mesh_power_mode pm = nla_get_u32(
3897 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
3899 if (pm <= NL80211_MESH_POWER_UNKNOWN ||
3900 pm > NL80211_MESH_POWER_MAX)
3903 params.local_pm = pm;
3906 /* Include parameters for TDLS peer (will check later) */
3907 err = nl80211_set_station_tdls(info, ¶ms);
3911 params.vlan = get_vlan(info, rdev);
3912 if (IS_ERR(params.vlan))
3913 return PTR_ERR(params.vlan);
3915 switch (dev->ieee80211_ptr->iftype) {
3916 case NL80211_IFTYPE_AP:
3917 case NL80211_IFTYPE_AP_VLAN:
3918 case NL80211_IFTYPE_P2P_GO:
3919 case NL80211_IFTYPE_P2P_CLIENT:
3920 case NL80211_IFTYPE_STATION:
3921 case NL80211_IFTYPE_ADHOC:
3922 case NL80211_IFTYPE_MESH_POINT:
3929 /* driver will call cfg80211_check_station_change() */
3930 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
3934 dev_put(params.vlan);
3939 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
3941 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3943 struct net_device *dev = info->user_ptr[1];
3944 struct station_parameters params;
3945 u8 *mac_addr = NULL;
3947 memset(¶ms, 0, sizeof(params));
3949 if (!rdev->ops->add_station)
3952 if (!info->attrs[NL80211_ATTR_MAC])
3955 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
3958 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
3961 if (!info->attrs[NL80211_ATTR_STA_AID])
3964 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3965 params.supported_rates =
3966 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
3967 params.supported_rates_len =
3968 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
3969 params.listen_interval =
3970 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
3972 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
3973 if (!params.aid || params.aid > IEEE80211_MAX_AID)
3976 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
3978 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
3979 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
3982 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
3984 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
3985 params.ext_capab_len =
3986 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
3989 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
3991 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
3993 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
3995 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
3997 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
3998 params.plink_action =
3999 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4000 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4004 err = nl80211_parse_sta_wme(info, ¶ms);
4008 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
4011 /* When you run into this, adjust the code below for the new flag */
4012 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
4014 switch (dev->ieee80211_ptr->iftype) {
4015 case NL80211_IFTYPE_AP:
4016 case NL80211_IFTYPE_AP_VLAN:
4017 case NL80211_IFTYPE_P2P_GO:
4018 /* ignore WME attributes if iface/sta is not capable */
4019 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
4020 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
4021 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4023 /* TDLS peers cannot be added */
4024 if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
4026 /* but don't bother the driver with it */
4027 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
4029 /* allow authenticated/associated only if driver handles it */
4030 if (!(rdev->wiphy.features &
4031 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
4032 params.sta_flags_mask &
4033 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4034 BIT(NL80211_STA_FLAG_ASSOCIATED)))
4037 /* must be last in here for error handling */
4038 params.vlan = get_vlan(info, rdev);
4039 if (IS_ERR(params.vlan))
4040 return PTR_ERR(params.vlan);
4042 case NL80211_IFTYPE_MESH_POINT:
4043 /* ignore uAPSD data */
4044 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4046 /* associated is disallowed */
4047 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
4049 /* TDLS peers cannot be added */
4050 if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
4053 case NL80211_IFTYPE_STATION:
4054 case NL80211_IFTYPE_P2P_CLIENT:
4055 /* ignore uAPSD data */
4056 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4058 /* these are disallowed */
4059 if (params.sta_flags_mask &
4060 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
4061 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
4063 /* Only TDLS peers can be added */
4064 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4066 /* Can only add if TDLS ... */
4067 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
4069 /* ... with external setup is supported */
4070 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
4073 * Older wpa_supplicant versions always mark the TDLS peer
4074 * as authorized, but it shouldn't yet be.
4076 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
4082 /* be aware of params.vlan when changing code here */
4084 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
4087 dev_put(params.vlan);
4091 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
4093 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4094 struct net_device *dev = info->user_ptr[1];
4095 u8 *mac_addr = NULL;
4097 if (info->attrs[NL80211_ATTR_MAC])
4098 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4100 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4101 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
4102 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
4103 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4106 if (!rdev->ops->del_station)
4109 return rdev_del_station(rdev, dev, mac_addr);
4112 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
4113 int flags, struct net_device *dev,
4114 u8 *dst, u8 *next_hop,
4115 struct mpath_info *pinfo)
4118 struct nlattr *pinfoattr;
4120 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
4124 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4125 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
4126 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
4127 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
4128 goto nla_put_failure;
4130 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
4132 goto nla_put_failure;
4133 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
4134 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
4136 goto nla_put_failure;
4137 if (((pinfo->filled & MPATH_INFO_SN) &&
4138 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
4139 ((pinfo->filled & MPATH_INFO_METRIC) &&
4140 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
4142 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
4143 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
4145 ((pinfo->filled & MPATH_INFO_FLAGS) &&
4146 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
4148 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
4149 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
4150 pinfo->discovery_timeout)) ||
4151 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
4152 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
4153 pinfo->discovery_retries)))
4154 goto nla_put_failure;
4156 nla_nest_end(msg, pinfoattr);
4158 return genlmsg_end(msg, hdr);
4161 genlmsg_cancel(msg, hdr);
4165 static int nl80211_dump_mpath(struct sk_buff *skb,
4166 struct netlink_callback *cb)
4168 struct mpath_info pinfo;
4169 struct cfg80211_registered_device *dev;
4170 struct net_device *netdev;
4172 u8 next_hop[ETH_ALEN];
4173 int path_idx = cb->args[1];
4176 err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
4180 if (!dev->ops->dump_mpath) {
4185 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
4191 err = rdev_dump_mpath(dev, netdev, path_idx, dst, next_hop,
4198 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
4199 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4200 netdev, dst, next_hop,
4209 cb->args[1] = path_idx;
4212 nl80211_finish_netdev_dump(dev);
4216 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
4218 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4220 struct net_device *dev = info->user_ptr[1];
4221 struct mpath_info pinfo;
4222 struct sk_buff *msg;
4224 u8 next_hop[ETH_ALEN];
4226 memset(&pinfo, 0, sizeof(pinfo));
4228 if (!info->attrs[NL80211_ATTR_MAC])
4231 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4233 if (!rdev->ops->get_mpath)
4236 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4239 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
4243 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4247 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4248 dev, dst, next_hop, &pinfo) < 0) {
4253 return genlmsg_reply(msg, info);
4256 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
4258 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4259 struct net_device *dev = info->user_ptr[1];
4261 u8 *next_hop = NULL;
4263 if (!info->attrs[NL80211_ATTR_MAC])
4266 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
4269 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4270 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
4272 if (!rdev->ops->change_mpath)
4275 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4278 return rdev_change_mpath(rdev, dev, dst, next_hop);
4281 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
4283 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4284 struct net_device *dev = info->user_ptr[1];
4286 u8 *next_hop = NULL;
4288 if (!info->attrs[NL80211_ATTR_MAC])
4291 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
4294 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4295 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
4297 if (!rdev->ops->add_mpath)
4300 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4303 return rdev_add_mpath(rdev, dev, dst, next_hop);
4306 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
4308 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4309 struct net_device *dev = info->user_ptr[1];
4312 if (info->attrs[NL80211_ATTR_MAC])
4313 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4315 if (!rdev->ops->del_mpath)
4318 return rdev_del_mpath(rdev, dev, dst);
4321 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
4323 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4324 struct net_device *dev = info->user_ptr[1];
4325 struct bss_parameters params;
4327 memset(¶ms, 0, sizeof(params));
4328 /* default to not changing parameters */
4329 params.use_cts_prot = -1;
4330 params.use_short_preamble = -1;
4331 params.use_short_slot_time = -1;
4332 params.ap_isolate = -1;
4333 params.ht_opmode = -1;
4334 params.p2p_ctwindow = -1;
4335 params.p2p_opp_ps = -1;
4337 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
4338 params.use_cts_prot =
4339 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
4340 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
4341 params.use_short_preamble =
4342 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
4343 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
4344 params.use_short_slot_time =
4345 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
4346 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
4347 params.basic_rates =
4348 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4349 params.basic_rates_len =
4350 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4352 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
4353 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
4354 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
4356 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
4358 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4359 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4361 params.p2p_ctwindow =
4362 nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4363 if (params.p2p_ctwindow < 0)
4365 if (params.p2p_ctwindow != 0 &&
4366 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4370 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4373 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4375 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4378 params.p2p_opp_ps = tmp;
4379 if (params.p2p_opp_ps &&
4380 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4384 if (!rdev->ops->change_bss)
4387 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4388 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4391 return rdev_change_bss(rdev, dev, ¶ms);
4394 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
4395 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
4396 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
4397 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
4398 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
4399 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
4400 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
4403 static int parse_reg_rule(struct nlattr *tb[],
4404 struct ieee80211_reg_rule *reg_rule)
4406 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
4407 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
4409 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
4411 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
4413 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
4415 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
4417 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
4420 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
4422 freq_range->start_freq_khz =
4423 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
4424 freq_range->end_freq_khz =
4425 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
4426 freq_range->max_bandwidth_khz =
4427 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
4429 power_rule->max_eirp =
4430 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
4432 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
4433 power_rule->max_antenna_gain =
4434 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
4439 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
4443 enum nl80211_user_reg_hint_type user_reg_hint_type;
4446 * You should only get this when cfg80211 hasn't yet initialized
4447 * completely when built-in to the kernel right between the time
4448 * window between nl80211_init() and regulatory_init(), if that is
4451 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
4452 return -EINPROGRESS;
4454 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
4457 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
4459 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
4460 user_reg_hint_type =
4461 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
4463 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
4465 switch (user_reg_hint_type) {
4466 case NL80211_USER_REG_HINT_USER:
4467 case NL80211_USER_REG_HINT_CELL_BASE:
4473 r = regulatory_hint_user(data, user_reg_hint_type);
4478 static int nl80211_get_mesh_config(struct sk_buff *skb,
4479 struct genl_info *info)
4481 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4482 struct net_device *dev = info->user_ptr[1];
4483 struct wireless_dev *wdev = dev->ieee80211_ptr;
4484 struct mesh_config cur_params;
4487 struct nlattr *pinfoattr;
4488 struct sk_buff *msg;
4490 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
4493 if (!rdev->ops->get_mesh_config)
4497 /* If not connected, get default parameters */
4498 if (!wdev->mesh_id_len)
4499 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
4501 err = rdev_get_mesh_config(rdev, dev, &cur_params);
4507 /* Draw up a netlink message to send back */
4508 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4511 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4512 NL80211_CMD_GET_MESH_CONFIG);
4515 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
4517 goto nla_put_failure;
4518 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4519 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
4520 cur_params.dot11MeshRetryTimeout) ||
4521 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
4522 cur_params.dot11MeshConfirmTimeout) ||
4523 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
4524 cur_params.dot11MeshHoldingTimeout) ||
4525 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
4526 cur_params.dot11MeshMaxPeerLinks) ||
4527 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
4528 cur_params.dot11MeshMaxRetries) ||
4529 nla_put_u8(msg, NL80211_MESHCONF_TTL,
4530 cur_params.dot11MeshTTL) ||
4531 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
4532 cur_params.element_ttl) ||
4533 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
4534 cur_params.auto_open_plinks) ||
4535 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
4536 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
4537 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
4538 cur_params.dot11MeshHWMPmaxPREQretries) ||
4539 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
4540 cur_params.path_refresh_time) ||
4541 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
4542 cur_params.min_discovery_timeout) ||
4543 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
4544 cur_params.dot11MeshHWMPactivePathTimeout) ||
4545 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
4546 cur_params.dot11MeshHWMPpreqMinInterval) ||
4547 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
4548 cur_params.dot11MeshHWMPperrMinInterval) ||
4549 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
4550 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
4551 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
4552 cur_params.dot11MeshHWMPRootMode) ||
4553 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
4554 cur_params.dot11MeshHWMPRannInterval) ||
4555 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
4556 cur_params.dot11MeshGateAnnouncementProtocol) ||
4557 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
4558 cur_params.dot11MeshForwarding) ||
4559 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
4560 cur_params.rssi_threshold) ||
4561 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
4562 cur_params.ht_opmode) ||
4563 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
4564 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
4565 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
4566 cur_params.dot11MeshHWMProotInterval) ||
4567 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
4568 cur_params.dot11MeshHWMPconfirmationInterval) ||
4569 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
4570 cur_params.power_mode) ||
4571 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
4572 cur_params.dot11MeshAwakeWindowDuration))
4573 goto nla_put_failure;
4574 nla_nest_end(msg, pinfoattr);
4575 genlmsg_end(msg, hdr);
4576 return genlmsg_reply(msg, info);
4579 genlmsg_cancel(msg, hdr);
4585 static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
4586 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
4587 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
4588 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
4589 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
4590 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
4591 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
4592 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
4593 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
4594 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
4595 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
4596 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
4597 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
4598 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
4599 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
4600 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
4601 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
4602 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
4603 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
4604 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
4605 [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
4606 [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
4607 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
4608 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
4609 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
4610 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
4611 [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 },
4612 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
4615 static const struct nla_policy
4616 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
4617 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
4618 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
4619 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
4620 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
4621 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
4622 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
4623 .len = IEEE80211_MAX_DATA_LEN },
4624 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
4627 static int nl80211_parse_mesh_config(struct genl_info *info,
4628 struct mesh_config *cfg,
4631 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
4634 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4637 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4639 cfg->param = fn(tb[attr]); \
4640 mask |= (1 << (attr - 1)); \
4645 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
4647 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
4648 info->attrs[NL80211_ATTR_MESH_CONFIG],
4649 nl80211_meshconf_params_policy))
4652 /* This makes sure that there aren't more than 32 mesh config
4653 * parameters (otherwise our bitfield scheme would not work.) */
4654 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
4656 /* Fill in the params struct */
4657 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255,
4658 mask, NL80211_MESHCONF_RETRY_TIMEOUT,
4660 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255,
4661 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
4663 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255,
4664 mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
4666 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255,
4667 mask, NL80211_MESHCONF_MAX_PEER_LINKS,
4669 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16,
4670 mask, NL80211_MESHCONF_MAX_RETRIES,
4672 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255,
4673 mask, NL80211_MESHCONF_TTL, nla_get_u8);
4674 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255,
4675 mask, NL80211_MESHCONF_ELEMENT_TTL,
4677 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1,
4678 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
4680 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
4682 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
4684 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255,
4685 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
4687 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535,
4688 mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
4690 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535,
4691 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
4693 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
4695 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
4697 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
4699 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
4701 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
4703 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
4705 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4706 dot11MeshHWMPnetDiameterTraversalTime,
4708 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
4710 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4,
4711 mask, NL80211_MESHCONF_HWMP_ROOTMODE,
4713 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535,
4714 mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
4716 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4717 dot11MeshGateAnnouncementProtocol, 0, 1,
4718 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
4720 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1,
4721 mask, NL80211_MESHCONF_FORWARDING,
4723 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, 1, 255,
4724 mask, NL80211_MESHCONF_RSSI_THRESHOLD,
4726 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16,
4727 mask, NL80211_MESHCONF_HT_OPMODE,
4729 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
4731 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
4733 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535,
4734 mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
4736 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4737 dot11MeshHWMPconfirmationInterval,
4739 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
4741 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode,
4742 NL80211_MESH_POWER_ACTIVE,
4743 NL80211_MESH_POWER_MAX,
4744 mask, NL80211_MESHCONF_POWER_MODE,
4746 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
4748 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
4754 #undef FILL_IN_MESH_PARAM_IF_SET
4757 static int nl80211_parse_mesh_setup(struct genl_info *info,
4758 struct mesh_setup *setup)
4760 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4761 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
4763 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
4765 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
4766 info->attrs[NL80211_ATTR_MESH_SETUP],
4767 nl80211_mesh_setup_params_policy))
4770 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
4771 setup->sync_method =
4772 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
4773 IEEE80211_SYNC_METHOD_VENDOR :
4774 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
4776 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
4777 setup->path_sel_proto =
4778 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
4779 IEEE80211_PATH_PROTOCOL_VENDOR :
4780 IEEE80211_PATH_PROTOCOL_HWMP;
4782 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
4783 setup->path_metric =
4784 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
4785 IEEE80211_PATH_METRIC_VENDOR :
4786 IEEE80211_PATH_METRIC_AIRTIME;
4789 if (tb[NL80211_MESH_SETUP_IE]) {
4790 struct nlattr *ieattr =
4791 tb[NL80211_MESH_SETUP_IE];
4792 if (!is_valid_ie_attr(ieattr))
4794 setup->ie = nla_data(ieattr);
4795 setup->ie_len = nla_len(ieattr);
4797 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
4798 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
4800 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
4801 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
4802 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
4803 if (setup->is_secure)
4804 setup->user_mpm = true;
4809 static int nl80211_update_mesh_config(struct sk_buff *skb,
4810 struct genl_info *info)
4812 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4813 struct net_device *dev = info->user_ptr[1];
4814 struct wireless_dev *wdev = dev->ieee80211_ptr;
4815 struct mesh_config cfg;
4819 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
4822 if (!rdev->ops->update_mesh_config)
4825 err = nl80211_parse_mesh_config(info, &cfg, &mask);
4830 if (!wdev->mesh_id_len)
4834 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
4841 static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
4843 const struct ieee80211_regdomain *regdom;
4844 struct sk_buff *msg;
4846 struct nlattr *nl_reg_rules;
4850 mutex_lock(&cfg80211_mutex);
4852 if (!cfg80211_regdomain)
4855 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4861 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4862 NL80211_CMD_GET_REG);
4866 if (reg_last_request_cell_base() &&
4867 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
4868 NL80211_USER_REG_HINT_CELL_BASE))
4869 goto nla_put_failure;
4872 regdom = rcu_dereference(cfg80211_regdomain);
4874 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
4875 (regdom->dfs_region &&
4876 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
4877 goto nla_put_failure_rcu;
4879 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
4881 goto nla_put_failure_rcu;
4883 for (i = 0; i < regdom->n_reg_rules; i++) {
4884 struct nlattr *nl_reg_rule;
4885 const struct ieee80211_reg_rule *reg_rule;
4886 const struct ieee80211_freq_range *freq_range;
4887 const struct ieee80211_power_rule *power_rule;
4889 reg_rule = ®dom->reg_rules[i];
4890 freq_range = ®_rule->freq_range;
4891 power_rule = ®_rule->power_rule;
4893 nl_reg_rule = nla_nest_start(msg, i);
4895 goto nla_put_failure_rcu;
4897 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
4899 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
4900 freq_range->start_freq_khz) ||
4901 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
4902 freq_range->end_freq_khz) ||
4903 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
4904 freq_range->max_bandwidth_khz) ||
4905 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
4906 power_rule->max_antenna_gain) ||
4907 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
4908 power_rule->max_eirp))
4909 goto nla_put_failure_rcu;
4911 nla_nest_end(msg, nl_reg_rule);
4915 nla_nest_end(msg, nl_reg_rules);
4917 genlmsg_end(msg, hdr);
4918 err = genlmsg_reply(msg, info);
4921 nla_put_failure_rcu:
4924 genlmsg_cancel(msg, hdr);
4929 mutex_unlock(&cfg80211_mutex);
4933 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
4935 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
4936 struct nlattr *nl_reg_rule;
4937 char *alpha2 = NULL;
4938 int rem_reg_rules = 0, r = 0;
4939 u32 num_rules = 0, rule_idx = 0, size_of_regd;
4941 struct ieee80211_regdomain *rd = NULL;
4943 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
4946 if (!info->attrs[NL80211_ATTR_REG_RULES])
4949 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
4951 if (info->attrs[NL80211_ATTR_DFS_REGION])
4952 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
4954 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
4957 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
4961 size_of_regd = sizeof(struct ieee80211_regdomain) +
4962 num_rules * sizeof(struct ieee80211_reg_rule);
4964 rd = kzalloc(size_of_regd, GFP_KERNEL);
4968 rd->n_reg_rules = num_rules;
4969 rd->alpha2[0] = alpha2[0];
4970 rd->alpha2[1] = alpha2[1];
4973 * Disable DFS master mode if the DFS region was
4974 * not supported or known on this kernel.
4976 if (reg_supported_dfs_region(dfs_region))
4977 rd->dfs_region = dfs_region;
4979 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
4981 nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
4982 nla_data(nl_reg_rule), nla_len(nl_reg_rule),
4984 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
4990 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
4996 mutex_lock(&cfg80211_mutex);
4999 /* set_regdom took ownership */
5001 mutex_unlock(&cfg80211_mutex);
5008 static int validate_scan_freqs(struct nlattr *freqs)
5010 struct nlattr *attr1, *attr2;
5011 int n_channels = 0, tmp1, tmp2;
5013 nla_for_each_nested(attr1, freqs, tmp1) {
5016 * Some hardware has a limited channel list for
5017 * scanning, and it is pretty much nonsensical
5018 * to scan for a channel twice, so disallow that
5019 * and don't require drivers to check that the
5020 * channel list they get isn't longer than what
5021 * they can scan, as long as they can scan all
5022 * the channels they registered at once.
5024 nla_for_each_nested(attr2, freqs, tmp2)
5025 if (attr1 != attr2 &&
5026 nla_get_u32(attr1) == nla_get_u32(attr2))
5033 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
5035 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5036 struct wireless_dev *wdev = info->user_ptr[1];
5037 struct cfg80211_scan_request *request;
5038 struct nlattr *attr;
5039 struct wiphy *wiphy;
5040 int err, tmp, n_ssids = 0, n_channels, i;
5043 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5046 wiphy = &rdev->wiphy;
5048 if (!rdev->ops->scan)
5051 mutex_lock(&rdev->sched_scan_mtx);
5052 if (rdev->scan_req) {
5057 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5058 n_channels = validate_scan_freqs(
5059 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
5065 enum ieee80211_band band;
5068 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
5069 if (wiphy->bands[band])
5070 n_channels += wiphy->bands[band]->n_channels;
5073 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5074 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
5077 if (n_ssids > wiphy->max_scan_ssids) {
5082 if (info->attrs[NL80211_ATTR_IE])
5083 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5087 if (ie_len > wiphy->max_scan_ie_len) {
5092 request = kzalloc(sizeof(*request)
5093 + sizeof(*request->ssids) * n_ssids
5094 + sizeof(*request->channels) * n_channels
5095 + ie_len, GFP_KERNEL);
5102 request->ssids = (void *)&request->channels[n_channels];
5103 request->n_ssids = n_ssids;
5106 request->ie = (void *)(request->ssids + n_ssids);
5108 request->ie = (void *)(request->channels + n_channels);
5112 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5113 /* user specified, bail out if channel not found */
5114 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
5115 struct ieee80211_channel *chan;
5117 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5124 /* ignore disabled channels */
5125 if (chan->flags & IEEE80211_CHAN_DISABLED)
5128 request->channels[i] = chan;
5132 enum ieee80211_band band;
5135 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5137 if (!wiphy->bands[band])
5139 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
5140 struct ieee80211_channel *chan;
5142 chan = &wiphy->bands[band]->channels[j];
5144 if (chan->flags & IEEE80211_CHAN_DISABLED)
5147 request->channels[i] = chan;
5158 request->n_channels = i;
5161 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5162 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
5163 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
5167 request->ssids[i].ssid_len = nla_len(attr);
5168 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
5173 if (info->attrs[NL80211_ATTR_IE]) {
5174 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5175 memcpy((void *)request->ie,
5176 nla_data(info->attrs[NL80211_ATTR_IE]),
5180 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
5181 if (wiphy->bands[i])
5183 (1 << wiphy->bands[i]->n_bitrates) - 1;
5185 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
5186 nla_for_each_nested(attr,
5187 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
5189 enum ieee80211_band band = nla_type(attr);
5191 if (band < 0 || band >= IEEE80211_NUM_BANDS) {
5195 err = ieee80211_get_ratemask(wiphy->bands[band],
5198 &request->rates[band]);
5204 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
5205 request->flags = nla_get_u32(
5206 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
5207 if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5208 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
5209 ((request->flags & NL80211_SCAN_FLAG_FLUSH) &&
5210 !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) {
5217 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
5219 request->wdev = wdev;
5220 request->wiphy = &rdev->wiphy;
5221 request->scan_start = jiffies;
5223 rdev->scan_req = request;
5224 err = rdev_scan(rdev, request);
5227 nl80211_send_scan_start(rdev, wdev);
5229 dev_hold(wdev->netdev);
5232 rdev->scan_req = NULL;
5237 mutex_unlock(&rdev->sched_scan_mtx);
5241 static int nl80211_start_sched_scan(struct sk_buff *skb,
5242 struct genl_info *info)
5244 struct cfg80211_sched_scan_request *request;
5245 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5246 struct net_device *dev = info->user_ptr[1];
5247 struct nlattr *attr;
5248 struct wiphy *wiphy;
5249 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
5251 enum ieee80211_band band;
5253 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
5255 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
5256 !rdev->ops->sched_scan_start)
5259 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5262 if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
5265 interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
5269 wiphy = &rdev->wiphy;
5271 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5272 n_channels = validate_scan_freqs(
5273 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
5279 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
5280 if (wiphy->bands[band])
5281 n_channels += wiphy->bands[band]->n_channels;
5284 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5285 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
5289 if (n_ssids > wiphy->max_sched_scan_ssids)
5292 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH])
5293 nla_for_each_nested(attr,
5294 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
5298 if (n_match_sets > wiphy->max_match_sets)
5301 if (info->attrs[NL80211_ATTR_IE])
5302 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5306 if (ie_len > wiphy->max_sched_scan_ie_len)
5309 mutex_lock(&rdev->sched_scan_mtx);
5311 if (rdev->sched_scan_req) {
5316 request = kzalloc(sizeof(*request)
5317 + sizeof(*request->ssids) * n_ssids
5318 + sizeof(*request->match_sets) * n_match_sets
5319 + sizeof(*request->channels) * n_channels
5320 + ie_len, GFP_KERNEL);
5327 request->ssids = (void *)&request->channels[n_channels];
5328 request->n_ssids = n_ssids;
5331 request->ie = (void *)(request->ssids + n_ssids);
5333 request->ie = (void *)(request->channels + n_channels);
5338 request->match_sets = (void *)(request->ie + ie_len);
5339 else if (request->ssids)
5340 request->match_sets =
5341 (void *)(request->ssids + n_ssids);
5343 request->match_sets =
5344 (void *)(request->channels + n_channels);
5346 request->n_match_sets = n_match_sets;
5349 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5350 /* user specified, bail out if channel not found */
5351 nla_for_each_nested(attr,
5352 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
5354 struct ieee80211_channel *chan;
5356 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5363 /* ignore disabled channels */
5364 if (chan->flags & IEEE80211_CHAN_DISABLED)
5367 request->channels[i] = chan;
5372 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5374 if (!wiphy->bands[band])
5376 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
5377 struct ieee80211_channel *chan;
5379 chan = &wiphy->bands[band]->channels[j];
5381 if (chan->flags & IEEE80211_CHAN_DISABLED)
5384 request->channels[i] = chan;
5395 request->n_channels = i;
5398 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5399 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
5401 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
5405 request->ssids[i].ssid_len = nla_len(attr);
5406 memcpy(request->ssids[i].ssid, nla_data(attr),
5413 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
5414 nla_for_each_nested(attr,
5415 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
5417 struct nlattr *ssid, *rssi;
5419 nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
5420 nla_data(attr), nla_len(attr),
5421 nl80211_match_policy);
5422 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
5424 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
5428 memcpy(request->match_sets[i].ssid.ssid,
5429 nla_data(ssid), nla_len(ssid));
5430 request->match_sets[i].ssid.ssid_len =
5433 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
5435 request->rssi_thold = nla_get_u32(rssi);
5437 request->rssi_thold =
5438 NL80211_SCAN_RSSI_THOLD_OFF;
5443 if (info->attrs[NL80211_ATTR_IE]) {
5444 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5445 memcpy((void *)request->ie,
5446 nla_data(info->attrs[NL80211_ATTR_IE]),
5450 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
5451 request->flags = nla_get_u32(
5452 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
5453 if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5454 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
5455 ((request->flags & NL80211_SCAN_FLAG_FLUSH) &&
5456 !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) {
5463 request->wiphy = &rdev->wiphy;
5464 request->interval = interval;
5465 request->scan_start = jiffies;
5467 err = rdev_sched_scan_start(rdev, dev, request);
5469 rdev->sched_scan_req = request;
5470 nl80211_send_sched_scan(rdev, dev,
5471 NL80211_CMD_START_SCHED_SCAN);
5478 mutex_unlock(&rdev->sched_scan_mtx);
5482 static int nl80211_stop_sched_scan(struct sk_buff *skb,
5483 struct genl_info *info)
5485 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5488 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
5489 !rdev->ops->sched_scan_stop)
5492 mutex_lock(&rdev->sched_scan_mtx);
5493 err = __cfg80211_stop_sched_scan(rdev, false);
5494 mutex_unlock(&rdev->sched_scan_mtx);
5499 static int nl80211_start_radar_detection(struct sk_buff *skb,
5500 struct genl_info *info)
5502 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5503 struct net_device *dev = info->user_ptr[1];
5504 struct wireless_dev *wdev = dev->ieee80211_ptr;
5505 struct cfg80211_chan_def chandef;
5508 err = nl80211_parse_chandef(rdev, info, &chandef);
5512 if (wdev->cac_started)
5515 err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef);
5522 if (chandef.chan->dfs_state != NL80211_DFS_USABLE)
5525 if (!rdev->ops->start_radar_detection)
5528 mutex_lock(&rdev->devlist_mtx);
5529 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
5530 chandef.chan, CHAN_MODE_SHARED,
5531 BIT(chandef.width));
5535 err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
5537 wdev->channel = chandef.chan;
5538 wdev->cac_started = true;
5539 wdev->cac_start_time = jiffies;
5542 mutex_unlock(&rdev->devlist_mtx);
5547 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
5549 struct cfg80211_registered_device *rdev,
5550 struct wireless_dev *wdev,
5551 struct cfg80211_internal_bss *intbss)
5553 struct cfg80211_bss *res = &intbss->pub;
5554 const struct cfg80211_bss_ies *ies;
5559 ASSERT_WDEV_LOCK(wdev);
5561 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
5562 NL80211_CMD_NEW_SCAN_RESULTS);
5566 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
5568 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation) ||
5569 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
5570 goto nla_put_failure;
5572 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
5574 goto nla_put_failure;
5575 if ((!is_zero_ether_addr(res->bssid) &&
5576 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
5577 goto nla_put_failure;
5580 ies = rcu_dereference(res->ies);
5582 if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5583 goto fail_unlock_rcu;
5585 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
5586 ies->len, ies->data))
5587 goto fail_unlock_rcu;
5589 ies = rcu_dereference(res->beacon_ies);
5591 if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5592 goto fail_unlock_rcu;
5593 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
5594 ies->len, ies->data))
5595 goto fail_unlock_rcu;
5599 if (res->beacon_interval &&
5600 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
5601 goto nla_put_failure;
5602 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
5603 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
5604 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
5605 jiffies_to_msecs(jiffies - intbss->ts)))
5606 goto nla_put_failure;
5608 switch (rdev->wiphy.signal_type) {
5609 case CFG80211_SIGNAL_TYPE_MBM:
5610 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
5611 goto nla_put_failure;
5613 case CFG80211_SIGNAL_TYPE_UNSPEC:
5614 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
5615 goto nla_put_failure;
5621 switch (wdev->iftype) {
5622 case NL80211_IFTYPE_P2P_CLIENT:
5623 case NL80211_IFTYPE_STATION:
5624 if (intbss == wdev->current_bss &&
5625 nla_put_u32(msg, NL80211_BSS_STATUS,
5626 NL80211_BSS_STATUS_ASSOCIATED))
5627 goto nla_put_failure;
5629 case NL80211_IFTYPE_ADHOC:
5630 if (intbss == wdev->current_bss &&
5631 nla_put_u32(msg, NL80211_BSS_STATUS,
5632 NL80211_BSS_STATUS_IBSS_JOINED))
5633 goto nla_put_failure;
5639 nla_nest_end(msg, bss);
5641 return genlmsg_end(msg, hdr);
5646 genlmsg_cancel(msg, hdr);
5650 static int nl80211_dump_scan(struct sk_buff *skb,
5651 struct netlink_callback *cb)
5653 struct cfg80211_registered_device *rdev;
5654 struct net_device *dev;
5655 struct cfg80211_internal_bss *scan;
5656 struct wireless_dev *wdev;
5657 int start = cb->args[1], idx = 0;
5660 err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev);
5664 wdev = dev->ieee80211_ptr;
5667 spin_lock_bh(&rdev->bss_lock);
5668 cfg80211_bss_expire(rdev);
5670 cb->seq = rdev->bss_generation;
5672 list_for_each_entry(scan, &rdev->bss_list, list) {
5675 if (nl80211_send_bss(skb, cb,
5676 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5677 rdev, wdev, scan) < 0) {
5683 spin_unlock_bh(&rdev->bss_lock);
5687 nl80211_finish_netdev_dump(rdev);
5692 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
5693 int flags, struct net_device *dev,
5694 struct survey_info *survey)
5697 struct nlattr *infoattr;
5699 hdr = nl80211hdr_put(msg, portid, seq, flags,
5700 NL80211_CMD_NEW_SURVEY_RESULTS);
5704 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
5705 goto nla_put_failure;
5707 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
5709 goto nla_put_failure;
5711 if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
5712 survey->channel->center_freq))
5713 goto nla_put_failure;
5715 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
5716 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
5717 goto nla_put_failure;
5718 if ((survey->filled & SURVEY_INFO_IN_USE) &&
5719 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
5720 goto nla_put_failure;
5721 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) &&
5722 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
5723 survey->channel_time))
5724 goto nla_put_failure;
5725 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) &&
5726 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
5727 survey->channel_time_busy))
5728 goto nla_put_failure;
5729 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) &&
5730 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
5731 survey->channel_time_ext_busy))
5732 goto nla_put_failure;
5733 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) &&
5734 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
5735 survey->channel_time_rx))
5736 goto nla_put_failure;
5737 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) &&
5738 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
5739 survey->channel_time_tx))
5740 goto nla_put_failure;
5742 nla_nest_end(msg, infoattr);
5744 return genlmsg_end(msg, hdr);
5747 genlmsg_cancel(msg, hdr);
5751 static int nl80211_dump_survey(struct sk_buff *skb,
5752 struct netlink_callback *cb)
5754 struct survey_info survey;
5755 struct cfg80211_registered_device *dev;
5756 struct net_device *netdev;
5757 int survey_idx = cb->args[1];
5760 res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
5764 if (!dev->ops->dump_survey) {
5770 struct ieee80211_channel *chan;
5772 res = rdev_dump_survey(dev, netdev, survey_idx, &survey);
5778 /* Survey without a channel doesn't make sense */
5779 if (!survey.channel) {
5784 chan = ieee80211_get_channel(&dev->wiphy,
5785 survey.channel->center_freq);
5786 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
5791 if (nl80211_send_survey(skb,
5792 NETLINK_CB(cb->skb).portid,
5793 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5801 cb->args[1] = survey_idx;
5804 nl80211_finish_netdev_dump(dev);
5808 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
5810 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
5811 NL80211_WPA_VERSION_2));
5814 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
5816 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5817 struct net_device *dev = info->user_ptr[1];
5818 struct ieee80211_channel *chan;
5819 const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL;
5820 int err, ssid_len, ie_len = 0, sae_data_len = 0;
5821 enum nl80211_auth_type auth_type;
5822 struct key_parse key;
5823 bool local_state_change;
5825 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5828 if (!info->attrs[NL80211_ATTR_MAC])
5831 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
5834 if (!info->attrs[NL80211_ATTR_SSID])
5837 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
5840 err = nl80211_parse_key(info, &key);
5845 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
5847 if (!key.p.key || !key.p.key_len)
5849 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
5850 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
5851 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
5852 key.p.key_len != WLAN_KEY_LEN_WEP104))
5864 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
5865 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
5874 if (!rdev->ops->auth)
5877 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5878 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5881 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5882 chan = ieee80211_get_channel(&rdev->wiphy,
5883 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
5884 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
5887 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5888 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
5890 if (info->attrs[NL80211_ATTR_IE]) {
5891 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
5892 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5895 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
5896 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
5899 if (auth_type == NL80211_AUTHTYPE_SAE &&
5900 !info->attrs[NL80211_ATTR_SAE_DATA])
5903 if (info->attrs[NL80211_ATTR_SAE_DATA]) {
5904 if (auth_type != NL80211_AUTHTYPE_SAE)
5906 sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]);
5907 sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]);
5908 /* need to include at least Auth Transaction and Status Code */
5909 if (sae_data_len < 4)
5913 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
5916 * Since we no longer track auth state, ignore
5917 * requests to only change local state.
5919 if (local_state_change)
5922 return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
5923 ssid, ssid_len, ie, ie_len,
5924 key.p.key, key.p.key_len, key.idx,
5925 sae_data, sae_data_len);
5928 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
5929 struct genl_info *info,
5930 struct cfg80211_crypto_settings *settings,
5933 memset(settings, 0, sizeof(*settings));
5935 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
5937 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
5939 proto = nla_get_u16(
5940 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
5941 settings->control_port_ethertype = cpu_to_be16(proto);
5942 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
5945 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
5946 settings->control_port_no_encrypt = true;
5948 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
5950 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
5954 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
5955 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
5956 settings->n_ciphers_pairwise = len / sizeof(u32);
5958 if (len % sizeof(u32))
5961 if (settings->n_ciphers_pairwise > cipher_limit)
5964 memcpy(settings->ciphers_pairwise, data, len);
5966 for (i = 0; i < settings->n_ciphers_pairwise; i++)
5967 if (!cfg80211_supported_cipher_suite(
5969 settings->ciphers_pairwise[i]))
5973 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
5974 settings->cipher_group =
5975 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
5976 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
5977 settings->cipher_group))
5981 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
5982 settings->wpa_versions =
5983 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
5984 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
5988 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
5992 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
5993 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
5994 settings->n_akm_suites = len / sizeof(u32);
5996 if (len % sizeof(u32))
5999 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
6002 memcpy(settings->akm_suites, data, len);
6008 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
6010 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6011 struct net_device *dev = info->user_ptr[1];
6012 struct ieee80211_channel *chan;
6013 struct cfg80211_assoc_request req = {};
6014 const u8 *bssid, *ssid;
6015 int err, ssid_len = 0;
6017 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6020 if (!info->attrs[NL80211_ATTR_MAC] ||
6021 !info->attrs[NL80211_ATTR_SSID] ||
6022 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
6025 if (!rdev->ops->assoc)
6028 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6029 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6032 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6034 chan = ieee80211_get_channel(&rdev->wiphy,
6035 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
6036 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
6039 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6040 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6042 if (info->attrs[NL80211_ATTR_IE]) {
6043 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6044 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6047 if (info->attrs[NL80211_ATTR_USE_MFP]) {
6048 enum nl80211_mfp mfp =
6049 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
6050 if (mfp == NL80211_MFP_REQUIRED)
6052 else if (mfp != NL80211_MFP_NO)
6056 if (info->attrs[NL80211_ATTR_PREV_BSSID])
6057 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
6059 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
6060 req.flags |= ASSOC_REQ_DISABLE_HT;
6062 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6063 memcpy(&req.ht_capa_mask,
6064 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6065 sizeof(req.ht_capa_mask));
6067 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6068 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6070 memcpy(&req.ht_capa,
6071 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6072 sizeof(req.ht_capa));
6075 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
6076 req.flags |= ASSOC_REQ_DISABLE_VHT;
6078 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6079 memcpy(&req.vht_capa_mask,
6080 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
6081 sizeof(req.vht_capa_mask));
6083 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
6084 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6086 memcpy(&req.vht_capa,
6087 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
6088 sizeof(req.vht_capa));
6091 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
6093 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
6094 ssid, ssid_len, &req);
6099 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
6101 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6102 struct net_device *dev = info->user_ptr[1];
6103 const u8 *ie = NULL, *bssid;
6106 bool local_state_change;
6108 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6111 if (!info->attrs[NL80211_ATTR_MAC])
6114 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6117 if (!rdev->ops->deauth)
6120 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6121 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6124 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6126 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6127 if (reason_code == 0) {
6128 /* Reason Code 0 is reserved */
6132 if (info->attrs[NL80211_ATTR_IE]) {
6133 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6134 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6137 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6139 return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
6140 local_state_change);
6143 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
6145 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6146 struct net_device *dev = info->user_ptr[1];
6147 const u8 *ie = NULL, *bssid;
6150 bool local_state_change;
6152 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6155 if (!info->attrs[NL80211_ATTR_MAC])
6158 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6161 if (!rdev->ops->disassoc)
6164 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6165 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6168 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6170 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6171 if (reason_code == 0) {
6172 /* Reason Code 0 is reserved */
6176 if (info->attrs[NL80211_ATTR_IE]) {
6177 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6178 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6181 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6183 return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
6184 local_state_change);
6188 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
6189 int mcast_rate[IEEE80211_NUM_BANDS],
6192 struct wiphy *wiphy = &rdev->wiphy;
6196 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
6197 struct ieee80211_supported_band *sband;
6199 sband = wiphy->bands[band];
6203 for (i = 0; i < sband->n_bitrates; i++) {
6204 if (sband->bitrates[i].bitrate == rateval) {
6205 mcast_rate[band] = i + 1;
6215 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
6217 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6218 struct net_device *dev = info->user_ptr[1];
6219 struct cfg80211_ibss_params ibss;
6220 struct wiphy *wiphy;
6221 struct cfg80211_cached_keys *connkeys = NULL;
6224 memset(&ibss, 0, sizeof(ibss));
6226 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6229 if (!info->attrs[NL80211_ATTR_SSID] ||
6230 !nla_len(info->attrs[NL80211_ATTR_SSID]))
6233 ibss.beacon_interval = 100;
6235 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
6236 ibss.beacon_interval =
6237 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
6238 if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
6242 if (!rdev->ops->join_ibss)
6245 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6248 wiphy = &rdev->wiphy;
6250 if (info->attrs[NL80211_ATTR_MAC]) {
6251 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6253 if (!is_valid_ether_addr(ibss.bssid))
6256 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6257 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6259 if (info->attrs[NL80211_ATTR_IE]) {
6260 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6261 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6264 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
6268 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef))
6271 if (ibss.chandef.width > NL80211_CHAN_WIDTH_40)
6273 if (ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
6274 !(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
6277 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
6278 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
6280 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6282 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6284 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6285 struct ieee80211_supported_band *sband =
6286 wiphy->bands[ibss.chandef.chan->band];
6288 err = ieee80211_get_ratemask(sband, rates, n_rates,
6294 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
6295 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
6296 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
6299 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
6302 connkeys = nl80211_parse_connkeys(rdev,
6303 info->attrs[NL80211_ATTR_KEYS],
6305 if (IS_ERR(connkeys))
6306 return PTR_ERR(connkeys);
6308 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
6316 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
6318 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
6324 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
6326 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6327 struct net_device *dev = info->user_ptr[1];
6329 if (!rdev->ops->leave_ibss)
6332 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6335 return cfg80211_leave_ibss(rdev, dev, false);
6338 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
6340 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6341 struct net_device *dev = info->user_ptr[1];
6342 int mcast_rate[IEEE80211_NUM_BANDS];
6346 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
6347 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6350 if (!rdev->ops->set_mcast_rate)
6353 memset(mcast_rate, 0, sizeof(mcast_rate));
6355 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
6358 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
6359 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
6362 err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
6368 #ifdef CONFIG_NL80211_TESTMODE
6369 static struct genl_multicast_group nl80211_testmode_mcgrp = {
6373 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
6375 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6378 if (!info->attrs[NL80211_ATTR_TESTDATA])
6382 if (rdev->ops->testmode_cmd) {
6383 rdev->testmode_info = info;
6384 err = rdev_testmode_cmd(rdev,
6385 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
6386 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
6387 rdev->testmode_info = NULL;
6393 static int nl80211_testmode_dump(struct sk_buff *skb,
6394 struct netlink_callback *cb)
6396 struct cfg80211_registered_device *rdev;
6404 * 0 is a valid index, but not valid for args[0],
6405 * so we need to offset by 1.
6407 phy_idx = cb->args[0] - 1;
6409 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
6410 nl80211_fam.attrbuf, nl80211_fam.maxattr,
6415 mutex_lock(&cfg80211_mutex);
6416 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
6417 nl80211_fam.attrbuf);
6419 mutex_unlock(&cfg80211_mutex);
6420 return PTR_ERR(rdev);
6422 phy_idx = rdev->wiphy_idx;
6424 mutex_unlock(&cfg80211_mutex);
6426 if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
6428 (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
6432 data = nla_data((void *)cb->args[1]);
6433 data_len = nla_len((void *)cb->args[1]);
6436 mutex_lock(&cfg80211_mutex);
6437 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
6439 mutex_unlock(&cfg80211_mutex);
6442 cfg80211_lock_rdev(rdev);
6443 mutex_unlock(&cfg80211_mutex);
6445 if (!rdev->ops->testmode_dump) {
6451 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
6452 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6453 NL80211_CMD_TESTMODE);
6454 struct nlattr *tmdata;
6456 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
6457 genlmsg_cancel(skb, hdr);
6461 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
6463 genlmsg_cancel(skb, hdr);
6466 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
6467 nla_nest_end(skb, tmdata);
6469 if (err == -ENOBUFS || err == -ENOENT) {
6470 genlmsg_cancel(skb, hdr);
6473 genlmsg_cancel(skb, hdr);
6477 genlmsg_end(skb, hdr);
6482 cb->args[0] = phy_idx + 1;
6484 cfg80211_unlock_rdev(rdev);
6488 static struct sk_buff *
6489 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
6490 int approxlen, u32 portid, u32 seq, gfp_t gfp)
6492 struct sk_buff *skb;
6494 struct nlattr *data;
6496 skb = nlmsg_new(approxlen + 100, gfp);
6500 hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE);
6506 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
6507 goto nla_put_failure;
6508 data = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
6510 ((void **)skb->cb)[0] = rdev;
6511 ((void **)skb->cb)[1] = hdr;
6512 ((void **)skb->cb)[2] = data;
6521 struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
6524 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6526 if (WARN_ON(!rdev->testmode_info))
6529 return __cfg80211_testmode_alloc_skb(rdev, approxlen,
6530 rdev->testmode_info->snd_portid,
6531 rdev->testmode_info->snd_seq,
6534 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb);
6536 int cfg80211_testmode_reply(struct sk_buff *skb)
6538 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
6539 void *hdr = ((void **)skb->cb)[1];
6540 struct nlattr *data = ((void **)skb->cb)[2];
6542 if (WARN_ON(!rdev->testmode_info)) {
6547 nla_nest_end(skb, data);
6548 genlmsg_end(skb, hdr);
6549 return genlmsg_reply(skb, rdev->testmode_info);
6551 EXPORT_SYMBOL(cfg80211_testmode_reply);
6553 struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy,
6554 int approxlen, gfp_t gfp)
6556 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6558 return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp);
6560 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb);
6562 void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
6564 void *hdr = ((void **)skb->cb)[1];
6565 struct nlattr *data = ((void **)skb->cb)[2];
6567 nla_nest_end(skb, data);
6568 genlmsg_end(skb, hdr);
6569 genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp);
6571 EXPORT_SYMBOL(cfg80211_testmode_event);
6574 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
6576 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6577 struct net_device *dev = info->user_ptr[1];
6578 struct cfg80211_connect_params connect;
6579 struct wiphy *wiphy;
6580 struct cfg80211_cached_keys *connkeys = NULL;
6583 memset(&connect, 0, sizeof(connect));
6585 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6588 if (!info->attrs[NL80211_ATTR_SSID] ||
6589 !nla_len(info->attrs[NL80211_ATTR_SSID]))
6592 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
6594 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
6595 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
6596 NL80211_CMD_CONNECT))
6599 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
6601 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
6603 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
6604 NL80211_MAX_NR_CIPHER_SUITES);
6608 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6609 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6612 wiphy = &rdev->wiphy;
6614 connect.bg_scan_period = -1;
6615 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
6616 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
6617 connect.bg_scan_period =
6618 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
6621 if (info->attrs[NL80211_ATTR_MAC])
6622 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6623 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6624 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6626 if (info->attrs[NL80211_ATTR_IE]) {
6627 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6628 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6631 if (info->attrs[NL80211_ATTR_USE_MFP]) {
6632 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
6633 if (connect.mfp != NL80211_MFP_REQUIRED &&
6634 connect.mfp != NL80211_MFP_NO)
6637 connect.mfp = NL80211_MFP_NO;
6640 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
6642 ieee80211_get_channel(wiphy,
6643 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
6644 if (!connect.channel ||
6645 connect.channel->flags & IEEE80211_CHAN_DISABLED)
6649 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
6650 connkeys = nl80211_parse_connkeys(rdev,
6651 info->attrs[NL80211_ATTR_KEYS], NULL);
6652 if (IS_ERR(connkeys))
6653 return PTR_ERR(connkeys);
6656 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
6657 connect.flags |= ASSOC_REQ_DISABLE_HT;
6659 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6660 memcpy(&connect.ht_capa_mask,
6661 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6662 sizeof(connect.ht_capa_mask));
6664 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6665 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
6669 memcpy(&connect.ht_capa,
6670 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6671 sizeof(connect.ht_capa));
6674 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
6675 connect.flags |= ASSOC_REQ_DISABLE_VHT;
6677 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6678 memcpy(&connect.vht_capa_mask,
6679 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
6680 sizeof(connect.vht_capa_mask));
6682 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
6683 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
6687 memcpy(&connect.vht_capa,
6688 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
6689 sizeof(connect.vht_capa));
6692 err = cfg80211_connect(rdev, dev, &connect, connkeys);
6698 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
6700 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6701 struct net_device *dev = info->user_ptr[1];
6704 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6705 reason = WLAN_REASON_DEAUTH_LEAVING;
6707 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6712 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6713 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6716 return cfg80211_disconnect(rdev, dev, reason, true);
6719 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
6721 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6726 if (!info->attrs[NL80211_ATTR_PID])
6729 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
6731 net = get_net_ns_by_pid(pid);
6733 return PTR_ERR(net);
6737 /* check if anything to do */
6738 if (!net_eq(wiphy_net(&rdev->wiphy), net))
6739 err = cfg80211_switch_netns(rdev, net);
6745 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
6747 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6748 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
6749 struct cfg80211_pmksa *pmksa) = NULL;
6750 struct net_device *dev = info->user_ptr[1];
6751 struct cfg80211_pmksa pmksa;
6753 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
6755 if (!info->attrs[NL80211_ATTR_MAC])
6758 if (!info->attrs[NL80211_ATTR_PMKID])
6761 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
6762 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6764 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6765 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6768 switch (info->genlhdr->cmd) {
6769 case NL80211_CMD_SET_PMKSA:
6770 rdev_ops = rdev->ops->set_pmksa;
6772 case NL80211_CMD_DEL_PMKSA:
6773 rdev_ops = rdev->ops->del_pmksa;
6783 return rdev_ops(&rdev->wiphy, dev, &pmksa);
6786 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
6788 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6789 struct net_device *dev = info->user_ptr[1];
6791 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6792 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6795 if (!rdev->ops->flush_pmksa)
6798 return rdev_flush_pmksa(rdev, dev);
6801 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
6803 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6804 struct net_device *dev = info->user_ptr[1];
6805 u8 action_code, dialog_token;
6809 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
6810 !rdev->ops->tdls_mgmt)
6813 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
6814 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
6815 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
6816 !info->attrs[NL80211_ATTR_IE] ||
6817 !info->attrs[NL80211_ATTR_MAC])
6820 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
6821 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
6822 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
6823 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
6825 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
6826 dialog_token, status_code,
6827 nla_data(info->attrs[NL80211_ATTR_IE]),
6828 nla_len(info->attrs[NL80211_ATTR_IE]));
6831 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
6833 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6834 struct net_device *dev = info->user_ptr[1];
6835 enum nl80211_tdls_operation operation;
6838 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
6839 !rdev->ops->tdls_oper)
6842 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
6843 !info->attrs[NL80211_ATTR_MAC])
6846 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
6847 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
6849 return rdev_tdls_oper(rdev, dev, peer, operation);
6852 static int nl80211_remain_on_channel(struct sk_buff *skb,
6853 struct genl_info *info)
6855 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6856 struct wireless_dev *wdev = info->user_ptr[1];
6857 struct cfg80211_chan_def chandef;
6858 struct sk_buff *msg;
6864 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
6865 !info->attrs[NL80211_ATTR_DURATION])
6868 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
6870 if (!rdev->ops->remain_on_channel ||
6871 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
6875 * We should be on that channel for at least a minimum amount of
6876 * time (10ms) but no longer than the driver supports.
6878 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
6879 duration > rdev->wiphy.max_remain_on_channel_duration)
6882 err = nl80211_parse_chandef(rdev, info, &chandef);
6886 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6890 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6891 NL80211_CMD_REMAIN_ON_CHANNEL);
6898 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
6904 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
6905 goto nla_put_failure;
6907 genlmsg_end(msg, hdr);
6909 return genlmsg_reply(msg, info);
6918 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
6919 struct genl_info *info)
6921 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6922 struct wireless_dev *wdev = info->user_ptr[1];
6925 if (!info->attrs[NL80211_ATTR_COOKIE])
6928 if (!rdev->ops->cancel_remain_on_channel)
6931 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
6933 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
6936 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
6937 u8 *rates, u8 rates_len)
6942 for (i = 0; i < rates_len; i++) {
6943 int rate = (rates[i] & 0x7f) * 5;
6945 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
6946 struct ieee80211_rate *srate =
6947 &sband->bitrates[ridx];
6948 if (rate == srate->bitrate) {
6953 if (ridx == sband->n_bitrates)
6954 return 0; /* rate not found */
6960 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
6961 u8 *rates, u8 rates_len,
6962 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
6966 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
6968 for (i = 0; i < rates_len; i++) {
6971 ridx = rates[i] / 8;
6972 rbit = BIT(rates[i] % 8);
6974 /* check validity */
6975 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
6978 /* check availability */
6979 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
6988 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
6989 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
6990 .len = NL80211_MAX_SUPP_RATES },
6991 [NL80211_TXRATE_MCS] = { .type = NLA_BINARY,
6992 .len = NL80211_MAX_SUPP_HT_RATES },
6995 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
6996 struct genl_info *info)
6998 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
6999 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7000 struct cfg80211_bitrate_mask mask;
7002 struct net_device *dev = info->user_ptr[1];
7003 struct nlattr *tx_rates;
7004 struct ieee80211_supported_band *sband;
7006 if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
7009 if (!rdev->ops->set_bitrate_mask)
7012 memset(&mask, 0, sizeof(mask));
7013 /* Default to all rates enabled */
7014 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
7015 sband = rdev->wiphy.bands[i];
7016 mask.control[i].legacy =
7017 sband ? (1 << sband->n_bitrates) - 1 : 0;
7019 memcpy(mask.control[i].mcs,
7020 sband->ht_cap.mcs.rx_mask,
7021 sizeof(mask.control[i].mcs));
7023 memset(mask.control[i].mcs, 0,
7024 sizeof(mask.control[i].mcs));
7028 * The nested attribute uses enum nl80211_band as the index. This maps
7029 * directly to the enum ieee80211_band values used in cfg80211.
7031 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
7032 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
7034 enum ieee80211_band band = nla_type(tx_rates);
7035 if (band < 0 || band >= IEEE80211_NUM_BANDS)
7037 sband = rdev->wiphy.bands[band];
7040 nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
7041 nla_len(tx_rates), nl80211_txattr_policy);
7042 if (tb[NL80211_TXRATE_LEGACY]) {
7043 mask.control[band].legacy = rateset_to_mask(
7045 nla_data(tb[NL80211_TXRATE_LEGACY]),
7046 nla_len(tb[NL80211_TXRATE_LEGACY]));
7047 if ((mask.control[band].legacy == 0) &&
7048 nla_len(tb[NL80211_TXRATE_LEGACY]))
7051 if (tb[NL80211_TXRATE_MCS]) {
7052 if (!ht_rateset_to_mask(
7054 nla_data(tb[NL80211_TXRATE_MCS]),
7055 nla_len(tb[NL80211_TXRATE_MCS]),
7056 mask.control[band].mcs))
7060 if (mask.control[band].legacy == 0) {
7061 /* don't allow empty legacy rates if HT
7062 * is not even supported. */
7063 if (!rdev->wiphy.bands[band]->ht_cap.ht_supported)
7066 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
7067 if (mask.control[band].mcs[i])
7070 /* legacy and mcs rates may not be both empty */
7071 if (i == IEEE80211_HT_MCS_MASK_LEN)
7076 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
7079 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
7081 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7082 struct wireless_dev *wdev = info->user_ptr[1];
7083 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
7085 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
7088 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
7089 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
7091 switch (wdev->iftype) {
7092 case NL80211_IFTYPE_STATION:
7093 case NL80211_IFTYPE_ADHOC:
7094 case NL80211_IFTYPE_P2P_CLIENT:
7095 case NL80211_IFTYPE_AP:
7096 case NL80211_IFTYPE_AP_VLAN:
7097 case NL80211_IFTYPE_MESH_POINT:
7098 case NL80211_IFTYPE_P2P_GO:
7099 case NL80211_IFTYPE_P2P_DEVICE:
7105 /* not much point in registering if we can't reply */
7106 if (!rdev->ops->mgmt_tx)
7109 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
7110 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
7111 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
7114 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
7116 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7117 struct wireless_dev *wdev = info->user_ptr[1];
7118 struct cfg80211_chan_def chandef;
7122 struct sk_buff *msg = NULL;
7123 unsigned int wait = 0;
7124 bool offchan, no_cck, dont_wait_for_ack;
7126 dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
7128 if (!info->attrs[NL80211_ATTR_FRAME])
7131 if (!rdev->ops->mgmt_tx)
7134 switch (wdev->iftype) {
7135 case NL80211_IFTYPE_STATION:
7136 case NL80211_IFTYPE_ADHOC:
7137 case NL80211_IFTYPE_P2P_CLIENT:
7138 case NL80211_IFTYPE_AP:
7139 case NL80211_IFTYPE_AP_VLAN:
7140 case NL80211_IFTYPE_MESH_POINT:
7141 case NL80211_IFTYPE_P2P_GO:
7142 case NL80211_IFTYPE_P2P_DEVICE:
7148 if (info->attrs[NL80211_ATTR_DURATION]) {
7149 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7151 wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7154 * We should wait on the channel for at least a minimum amount
7155 * of time (10ms) but no longer than the driver supports.
7157 if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
7158 wait > rdev->wiphy.max_remain_on_channel_duration)
7163 offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
7165 if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7168 no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7170 err = nl80211_parse_chandef(rdev, info, &chandef);
7174 if (!dont_wait_for_ack) {
7175 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7179 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7188 err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait,
7189 nla_data(info->attrs[NL80211_ATTR_FRAME]),
7190 nla_len(info->attrs[NL80211_ATTR_FRAME]),
7191 no_cck, dont_wait_for_ack, &cookie);
7196 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7197 goto nla_put_failure;
7199 genlmsg_end(msg, hdr);
7200 return genlmsg_reply(msg, info);
7212 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
7214 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7215 struct wireless_dev *wdev = info->user_ptr[1];
7218 if (!info->attrs[NL80211_ATTR_COOKIE])
7221 if (!rdev->ops->mgmt_tx_cancel_wait)
7224 switch (wdev->iftype) {
7225 case NL80211_IFTYPE_STATION:
7226 case NL80211_IFTYPE_ADHOC:
7227 case NL80211_IFTYPE_P2P_CLIENT:
7228 case NL80211_IFTYPE_AP:
7229 case NL80211_IFTYPE_AP_VLAN:
7230 case NL80211_IFTYPE_P2P_GO:
7231 case NL80211_IFTYPE_P2P_DEVICE:
7237 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7239 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
7242 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
7244 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7245 struct wireless_dev *wdev;
7246 struct net_device *dev = info->user_ptr[1];
7251 if (!info->attrs[NL80211_ATTR_PS_STATE])
7254 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
7256 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
7259 wdev = dev->ieee80211_ptr;
7261 if (!rdev->ops->set_power_mgmt)
7264 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
7266 if (state == wdev->ps)
7269 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
7275 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
7277 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7278 enum nl80211_ps_state ps_state;
7279 struct wireless_dev *wdev;
7280 struct net_device *dev = info->user_ptr[1];
7281 struct sk_buff *msg;
7285 wdev = dev->ieee80211_ptr;
7287 if (!rdev->ops->set_power_mgmt)
7290 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7294 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7295 NL80211_CMD_GET_POWER_SAVE);
7302 ps_state = NL80211_PS_ENABLED;
7304 ps_state = NL80211_PS_DISABLED;
7306 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
7307 goto nla_put_failure;
7309 genlmsg_end(msg, hdr);
7310 return genlmsg_reply(msg, info);
7319 static struct nla_policy
7320 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
7321 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
7322 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
7323 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
7324 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
7325 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
7326 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
7329 static int nl80211_set_cqm_txe(struct genl_info *info,
7330 u32 rate, u32 pkts, u32 intvl)
7332 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7333 struct wireless_dev *wdev;
7334 struct net_device *dev = info->user_ptr[1];
7336 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
7339 wdev = dev->ieee80211_ptr;
7341 if (!rdev->ops->set_cqm_txe_config)
7344 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7345 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7348 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
7351 static int nl80211_set_cqm_rssi(struct genl_info *info,
7352 s32 threshold, u32 hysteresis)
7354 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7355 struct wireless_dev *wdev;
7356 struct net_device *dev = info->user_ptr[1];
7361 wdev = dev->ieee80211_ptr;
7363 if (!rdev->ops->set_cqm_rssi_config)
7366 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7367 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7370 return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis);
7373 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
7375 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
7379 cqm = info->attrs[NL80211_ATTR_CQM];
7385 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
7386 nl80211_attr_cqm_policy);
7390 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
7391 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
7394 threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
7395 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
7396 err = nl80211_set_cqm_rssi(info, threshold, hysteresis);
7397 } else if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
7398 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
7399 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
7400 u32 rate, pkts, intvl;
7401 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
7402 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
7403 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
7404 err = nl80211_set_cqm_txe(info, rate, pkts, intvl);
7412 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
7414 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7415 struct net_device *dev = info->user_ptr[1];
7416 struct mesh_config cfg;
7417 struct mesh_setup setup;
7420 /* start with default */
7421 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
7422 memcpy(&setup, &default_mesh_setup, sizeof(setup));
7424 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
7425 /* and parse parameters if given */
7426 err = nl80211_parse_mesh_config(info, &cfg, NULL);
7431 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
7432 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
7435 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
7436 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
7438 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
7439 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
7440 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
7443 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
7444 setup.beacon_interval =
7445 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
7446 if (setup.beacon_interval < 10 ||
7447 setup.beacon_interval > 10000)
7451 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
7453 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
7454 if (setup.dtim_period < 1 || setup.dtim_period > 100)
7458 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
7459 /* parse additional setup parameters if given */
7460 err = nl80211_parse_mesh_setup(info, &setup);
7466 cfg.auto_open_plinks = false;
7468 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
7469 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
7473 /* cfg80211_join_mesh() will sort it out */
7474 setup.chandef.chan = NULL;
7477 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
7480 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
7482 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7483 struct net_device *dev = info->user_ptr[1];
7485 return cfg80211_leave_mesh(rdev, dev);
7489 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
7490 struct cfg80211_registered_device *rdev)
7492 struct nlattr *nl_pats, *nl_pat;
7495 if (!rdev->wowlan->n_patterns)
7498 nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
7502 for (i = 0; i < rdev->wowlan->n_patterns; i++) {
7503 nl_pat = nla_nest_start(msg, i + 1);
7506 pat_len = rdev->wowlan->patterns[i].pattern_len;
7507 if (nla_put(msg, NL80211_WOWLAN_PKTPAT_MASK,
7508 DIV_ROUND_UP(pat_len, 8),
7509 rdev->wowlan->patterns[i].mask) ||
7510 nla_put(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
7511 pat_len, rdev->wowlan->patterns[i].pattern) ||
7512 nla_put_u32(msg, NL80211_WOWLAN_PKTPAT_OFFSET,
7513 rdev->wowlan->patterns[i].pkt_offset))
7515 nla_nest_end(msg, nl_pat);
7517 nla_nest_end(msg, nl_pats);
7522 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
7523 struct cfg80211_wowlan_tcp *tcp)
7525 struct nlattr *nl_tcp;
7530 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
7534 if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
7535 nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
7536 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
7537 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
7538 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
7539 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
7540 tcp->payload_len, tcp->payload) ||
7541 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
7542 tcp->data_interval) ||
7543 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
7544 tcp->wake_len, tcp->wake_data) ||
7545 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
7546 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
7549 if (tcp->payload_seq.len &&
7550 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
7551 sizeof(tcp->payload_seq), &tcp->payload_seq))
7554 if (tcp->payload_tok.len &&
7555 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
7556 sizeof(tcp->payload_tok) + tcp->tokens_size,
7563 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
7565 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7566 struct sk_buff *msg;
7568 u32 size = NLMSG_DEFAULT_SIZE;
7570 if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns &&
7571 !rdev->wiphy.wowlan.tcp)
7574 if (rdev->wowlan && rdev->wowlan->tcp) {
7575 /* adjust size to have room for all the data */
7576 size += rdev->wowlan->tcp->tokens_size +
7577 rdev->wowlan->tcp->payload_len +
7578 rdev->wowlan->tcp->wake_len +
7579 rdev->wowlan->tcp->wake_len / 8;
7582 msg = nlmsg_new(size, GFP_KERNEL);
7586 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7587 NL80211_CMD_GET_WOWLAN);
7589 goto nla_put_failure;
7592 struct nlattr *nl_wowlan;
7594 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
7596 goto nla_put_failure;
7598 if ((rdev->wowlan->any &&
7599 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7600 (rdev->wowlan->disconnect &&
7601 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7602 (rdev->wowlan->magic_pkt &&
7603 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7604 (rdev->wowlan->gtk_rekey_failure &&
7605 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7606 (rdev->wowlan->eap_identity_req &&
7607 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7608 (rdev->wowlan->four_way_handshake &&
7609 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7610 (rdev->wowlan->rfkill_release &&
7611 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
7612 goto nla_put_failure;
7614 if (nl80211_send_wowlan_patterns(msg, rdev))
7615 goto nla_put_failure;
7617 if (nl80211_send_wowlan_tcp(msg, rdev->wowlan->tcp))
7618 goto nla_put_failure;
7620 nla_nest_end(msg, nl_wowlan);
7623 genlmsg_end(msg, hdr);
7624 return genlmsg_reply(msg, info);
7631 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
7632 struct nlattr *attr,
7633 struct cfg80211_wowlan *trig)
7635 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
7636 struct cfg80211_wowlan_tcp *cfg;
7637 struct nl80211_wowlan_tcp_data_token *tok = NULL;
7638 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
7640 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
7643 if (!rdev->wiphy.wowlan.tcp)
7646 err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP,
7647 nla_data(attr), nla_len(attr),
7648 nl80211_wowlan_tcp_policy);
7652 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
7653 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
7654 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
7655 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
7656 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
7657 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
7658 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
7659 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
7662 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
7663 if (data_size > rdev->wiphy.wowlan.tcp->data_payload_max)
7666 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
7667 rdev->wiphy.wowlan.tcp->data_interval_max ||
7668 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
7671 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
7672 if (wake_size > rdev->wiphy.wowlan.tcp->wake_payload_max)
7675 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
7676 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
7679 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
7680 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
7682 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
7683 tokens_size = tokln - sizeof(*tok);
7685 if (!tok->len || tokens_size % tok->len)
7687 if (!rdev->wiphy.wowlan.tcp->tok)
7689 if (tok->len > rdev->wiphy.wowlan.tcp->tok->max_len)
7691 if (tok->len < rdev->wiphy.wowlan.tcp->tok->min_len)
7693 if (tokens_size > rdev->wiphy.wowlan.tcp->tok->bufsize)
7695 if (tok->offset + tok->len > data_size)
7699 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
7700 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
7701 if (!rdev->wiphy.wowlan.tcp->seq)
7703 if (seq->len == 0 || seq->len > 4)
7705 if (seq->len + seq->offset > data_size)
7709 size = sizeof(*cfg);
7711 size += wake_size + wake_mask_size;
7712 size += tokens_size;
7714 cfg = kzalloc(size, GFP_KERNEL);
7717 cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
7718 cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
7719 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
7721 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
7722 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
7726 /* allocate a socket and port for it and use it */
7727 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
7728 IPPROTO_TCP, &cfg->sock, 1);
7733 if (inet_csk_get_port(cfg->sock->sk, port)) {
7734 sock_release(cfg->sock);
7738 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
7744 cfg->src_port = port;
7747 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
7748 cfg->payload_len = data_size;
7749 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
7750 memcpy((void *)cfg->payload,
7751 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
7754 cfg->payload_seq = *seq;
7755 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
7756 cfg->wake_len = wake_size;
7757 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
7758 memcpy((void *)cfg->wake_data,
7759 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
7761 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
7762 data_size + wake_size;
7763 memcpy((void *)cfg->wake_mask,
7764 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
7767 cfg->tokens_size = tokens_size;
7768 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
7776 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
7778 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7779 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
7780 struct cfg80211_wowlan new_triggers = {};
7781 struct cfg80211_wowlan *ntrig;
7782 struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
7784 bool prev_enabled = rdev->wowlan;
7786 if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns &&
7787 !rdev->wiphy.wowlan.tcp)
7790 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
7791 cfg80211_rdev_free_wowlan(rdev);
7792 rdev->wowlan = NULL;
7796 err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
7797 nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
7798 nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
7799 nl80211_wowlan_policy);
7803 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
7804 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
7806 new_triggers.any = true;
7809 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
7810 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
7812 new_triggers.disconnect = true;
7815 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
7816 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
7818 new_triggers.magic_pkt = true;
7821 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
7824 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
7825 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
7827 new_triggers.gtk_rekey_failure = true;
7830 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
7831 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
7833 new_triggers.eap_identity_req = true;
7836 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
7837 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
7839 new_triggers.four_way_handshake = true;
7842 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
7843 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
7845 new_triggers.rfkill_release = true;
7848 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
7851 int rem, pat_len, mask_len, pkt_offset;
7852 struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT];
7854 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
7857 if (n_patterns > wowlan->n_patterns)
7860 new_triggers.patterns = kcalloc(n_patterns,
7861 sizeof(new_triggers.patterns[0]),
7863 if (!new_triggers.patterns)
7866 new_triggers.n_patterns = n_patterns;
7869 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
7871 nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT,
7872 nla_data(pat), nla_len(pat), NULL);
7874 if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] ||
7875 !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN])
7877 pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]);
7878 mask_len = DIV_ROUND_UP(pat_len, 8);
7879 if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) !=
7882 if (pat_len > wowlan->pattern_max_len ||
7883 pat_len < wowlan->pattern_min_len)
7886 if (!pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET])
7889 pkt_offset = nla_get_u32(
7890 pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET]);
7891 if (pkt_offset > wowlan->max_pkt_offset)
7893 new_triggers.patterns[i].pkt_offset = pkt_offset;
7895 new_triggers.patterns[i].mask =
7896 kmalloc(mask_len + pat_len, GFP_KERNEL);
7897 if (!new_triggers.patterns[i].mask) {
7901 new_triggers.patterns[i].pattern =
7902 new_triggers.patterns[i].mask + mask_len;
7903 memcpy(new_triggers.patterns[i].mask,
7904 nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]),
7906 new_triggers.patterns[i].pattern_len = pat_len;
7907 memcpy(new_triggers.patterns[i].pattern,
7908 nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]),
7914 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
7915 err = nl80211_parse_wowlan_tcp(
7916 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
7922 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
7927 cfg80211_rdev_free_wowlan(rdev);
7928 rdev->wowlan = ntrig;
7931 if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan)
7932 rdev_set_wakeup(rdev, rdev->wowlan);
7936 for (i = 0; i < new_triggers.n_patterns; i++)
7937 kfree(new_triggers.patterns[i].mask);
7938 kfree(new_triggers.patterns);
7939 if (new_triggers.tcp && new_triggers.tcp->sock)
7940 sock_release(new_triggers.tcp->sock);
7941 kfree(new_triggers.tcp);
7946 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
7948 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7949 struct net_device *dev = info->user_ptr[1];
7950 struct wireless_dev *wdev = dev->ieee80211_ptr;
7951 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
7952 struct cfg80211_gtk_rekey_data rekey_data;
7955 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
7958 err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
7959 nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
7960 nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
7961 nl80211_rekey_policy);
7965 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
7967 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
7969 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
7972 memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
7974 memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
7976 memcpy(rekey_data.replay_ctr,
7977 nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
7978 NL80211_REPLAY_CTR_LEN);
7981 if (!wdev->current_bss) {
7986 if (!rdev->ops->set_rekey_data) {
7991 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
7997 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
7998 struct genl_info *info)
8000 struct net_device *dev = info->user_ptr[1];
8001 struct wireless_dev *wdev = dev->ieee80211_ptr;
8003 if (wdev->iftype != NL80211_IFTYPE_AP &&
8004 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8007 if (wdev->ap_unexpected_nlportid)
8010 wdev->ap_unexpected_nlportid = info->snd_portid;
8014 static int nl80211_probe_client(struct sk_buff *skb,
8015 struct genl_info *info)
8017 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8018 struct net_device *dev = info->user_ptr[1];
8019 struct wireless_dev *wdev = dev->ieee80211_ptr;
8020 struct sk_buff *msg;
8026 if (wdev->iftype != NL80211_IFTYPE_AP &&
8027 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8030 if (!info->attrs[NL80211_ATTR_MAC])
8033 if (!rdev->ops->probe_client)
8036 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8040 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8041 NL80211_CMD_PROBE_CLIENT);
8048 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
8050 err = rdev_probe_client(rdev, dev, addr, &cookie);
8054 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
8055 goto nla_put_failure;
8057 genlmsg_end(msg, hdr);
8059 return genlmsg_reply(msg, info);
8068 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
8070 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8071 struct cfg80211_beacon_registration *reg, *nreg;
8074 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
8077 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
8081 /* First, check if already registered. */
8082 spin_lock_bh(&rdev->beacon_registrations_lock);
8083 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
8084 if (reg->nlportid == info->snd_portid) {
8089 /* Add it to the list */
8090 nreg->nlportid = info->snd_portid;
8091 list_add(&nreg->list, &rdev->beacon_registrations);
8093 spin_unlock_bh(&rdev->beacon_registrations_lock);
8097 spin_unlock_bh(&rdev->beacon_registrations_lock);
8102 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
8104 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8105 struct wireless_dev *wdev = info->user_ptr[1];
8108 if (!rdev->ops->start_p2p_device)
8111 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8114 if (wdev->p2p_started)
8117 mutex_lock(&rdev->devlist_mtx);
8118 err = cfg80211_can_add_interface(rdev, wdev->iftype);
8119 mutex_unlock(&rdev->devlist_mtx);
8123 err = rdev_start_p2p_device(rdev, wdev);
8127 wdev->p2p_started = true;
8128 mutex_lock(&rdev->devlist_mtx);
8130 mutex_unlock(&rdev->devlist_mtx);
8135 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
8137 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8138 struct wireless_dev *wdev = info->user_ptr[1];
8140 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8143 if (!rdev->ops->stop_p2p_device)
8146 mutex_lock(&rdev->sched_scan_mtx);
8147 cfg80211_stop_p2p_device(rdev, wdev);
8148 mutex_unlock(&rdev->sched_scan_mtx);
8153 static int nl80211_get_protocol_features(struct sk_buff *skb,
8154 struct genl_info *info)
8157 struct sk_buff *msg;
8159 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8163 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8164 NL80211_CMD_GET_PROTOCOL_FEATURES);
8166 goto nla_put_failure;
8168 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
8169 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
8170 goto nla_put_failure;
8172 genlmsg_end(msg, hdr);
8173 return genlmsg_reply(msg, info);
8180 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
8182 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8183 struct cfg80211_update_ft_ies_params ft_params;
8184 struct net_device *dev = info->user_ptr[1];
8186 if (!rdev->ops->update_ft_ies)
8189 if (!info->attrs[NL80211_ATTR_MDID] ||
8190 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8193 memset(&ft_params, 0, sizeof(ft_params));
8194 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
8195 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8196 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8198 return rdev_update_ft_ies(rdev, dev, &ft_params);
8201 #define NL80211_FLAG_NEED_WIPHY 0x01
8202 #define NL80211_FLAG_NEED_NETDEV 0x02
8203 #define NL80211_FLAG_NEED_RTNL 0x04
8204 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
8205 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
8206 NL80211_FLAG_CHECK_NETDEV_UP)
8207 #define NL80211_FLAG_NEED_WDEV 0x10
8208 /* If a netdev is associated, it must be UP, P2P must be started */
8209 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
8210 NL80211_FLAG_CHECK_NETDEV_UP)
8212 static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
8213 struct genl_info *info)
8215 struct cfg80211_registered_device *rdev;
8216 struct wireless_dev *wdev;
8217 struct net_device *dev;
8218 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
8223 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
8224 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8228 return PTR_ERR(rdev);
8230 info->user_ptr[0] = rdev;
8231 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
8232 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
8233 mutex_lock(&cfg80211_mutex);
8234 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
8237 mutex_unlock(&cfg80211_mutex);
8240 return PTR_ERR(wdev);
8244 rdev = wiphy_to_dev(wdev->wiphy);
8246 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
8248 mutex_unlock(&cfg80211_mutex);
8254 info->user_ptr[1] = dev;
8256 info->user_ptr[1] = wdev;
8260 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
8261 !netif_running(dev)) {
8262 mutex_unlock(&cfg80211_mutex);
8269 } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
8270 if (!wdev->p2p_started) {
8271 mutex_unlock(&cfg80211_mutex);
8278 cfg80211_lock_rdev(rdev);
8280 mutex_unlock(&cfg80211_mutex);
8282 info->user_ptr[0] = rdev;
8288 static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
8289 struct genl_info *info)
8291 if (info->user_ptr[0])
8292 cfg80211_unlock_rdev(info->user_ptr[0]);
8293 if (info->user_ptr[1]) {
8294 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
8295 struct wireless_dev *wdev = info->user_ptr[1];
8298 dev_put(wdev->netdev);
8300 dev_put(info->user_ptr[1]);
8303 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
8307 static struct genl_ops nl80211_ops[] = {
8309 .cmd = NL80211_CMD_GET_WIPHY,
8310 .doit = nl80211_get_wiphy,
8311 .dumpit = nl80211_dump_wiphy,
8312 .policy = nl80211_policy,
8313 /* can be retrieved by unprivileged users */
8314 .internal_flags = NL80211_FLAG_NEED_WIPHY,
8317 .cmd = NL80211_CMD_SET_WIPHY,
8318 .doit = nl80211_set_wiphy,
8319 .policy = nl80211_policy,
8320 .flags = GENL_ADMIN_PERM,
8321 .internal_flags = NL80211_FLAG_NEED_RTNL,
8324 .cmd = NL80211_CMD_GET_INTERFACE,
8325 .doit = nl80211_get_interface,
8326 .dumpit = nl80211_dump_interface,
8327 .policy = nl80211_policy,
8328 /* can be retrieved by unprivileged users */
8329 .internal_flags = NL80211_FLAG_NEED_WDEV,
8332 .cmd = NL80211_CMD_SET_INTERFACE,
8333 .doit = nl80211_set_interface,
8334 .policy = nl80211_policy,
8335 .flags = GENL_ADMIN_PERM,
8336 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8337 NL80211_FLAG_NEED_RTNL,
8340 .cmd = NL80211_CMD_NEW_INTERFACE,
8341 .doit = nl80211_new_interface,
8342 .policy = nl80211_policy,
8343 .flags = GENL_ADMIN_PERM,
8344 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8345 NL80211_FLAG_NEED_RTNL,
8348 .cmd = NL80211_CMD_DEL_INTERFACE,
8349 .doit = nl80211_del_interface,
8350 .policy = nl80211_policy,
8351 .flags = GENL_ADMIN_PERM,
8352 .internal_flags = NL80211_FLAG_NEED_WDEV |
8353 NL80211_FLAG_NEED_RTNL,
8356 .cmd = NL80211_CMD_GET_KEY,
8357 .doit = nl80211_get_key,
8358 .policy = nl80211_policy,
8359 .flags = GENL_ADMIN_PERM,
8360 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8361 NL80211_FLAG_NEED_RTNL,
8364 .cmd = NL80211_CMD_SET_KEY,
8365 .doit = nl80211_set_key,
8366 .policy = nl80211_policy,
8367 .flags = GENL_ADMIN_PERM,
8368 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8369 NL80211_FLAG_NEED_RTNL,
8372 .cmd = NL80211_CMD_NEW_KEY,
8373 .doit = nl80211_new_key,
8374 .policy = nl80211_policy,
8375 .flags = GENL_ADMIN_PERM,
8376 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8377 NL80211_FLAG_NEED_RTNL,
8380 .cmd = NL80211_CMD_DEL_KEY,
8381 .doit = nl80211_del_key,
8382 .policy = nl80211_policy,
8383 .flags = GENL_ADMIN_PERM,
8384 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8385 NL80211_FLAG_NEED_RTNL,
8388 .cmd = NL80211_CMD_SET_BEACON,
8389 .policy = nl80211_policy,
8390 .flags = GENL_ADMIN_PERM,
8391 .doit = nl80211_set_beacon,
8392 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8393 NL80211_FLAG_NEED_RTNL,
8396 .cmd = NL80211_CMD_START_AP,
8397 .policy = nl80211_policy,
8398 .flags = GENL_ADMIN_PERM,
8399 .doit = nl80211_start_ap,
8400 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8401 NL80211_FLAG_NEED_RTNL,
8404 .cmd = NL80211_CMD_STOP_AP,
8405 .policy = nl80211_policy,
8406 .flags = GENL_ADMIN_PERM,
8407 .doit = nl80211_stop_ap,
8408 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8409 NL80211_FLAG_NEED_RTNL,
8412 .cmd = NL80211_CMD_GET_STATION,
8413 .doit = nl80211_get_station,
8414 .dumpit = nl80211_dump_station,
8415 .policy = nl80211_policy,
8416 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8417 NL80211_FLAG_NEED_RTNL,
8420 .cmd = NL80211_CMD_SET_STATION,
8421 .doit = nl80211_set_station,
8422 .policy = nl80211_policy,
8423 .flags = GENL_ADMIN_PERM,
8424 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8425 NL80211_FLAG_NEED_RTNL,
8428 .cmd = NL80211_CMD_NEW_STATION,
8429 .doit = nl80211_new_station,
8430 .policy = nl80211_policy,
8431 .flags = GENL_ADMIN_PERM,
8432 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8433 NL80211_FLAG_NEED_RTNL,
8436 .cmd = NL80211_CMD_DEL_STATION,
8437 .doit = nl80211_del_station,
8438 .policy = nl80211_policy,
8439 .flags = GENL_ADMIN_PERM,
8440 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8441 NL80211_FLAG_NEED_RTNL,
8444 .cmd = NL80211_CMD_GET_MPATH,
8445 .doit = nl80211_get_mpath,
8446 .dumpit = nl80211_dump_mpath,
8447 .policy = nl80211_policy,
8448 .flags = GENL_ADMIN_PERM,
8449 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8450 NL80211_FLAG_NEED_RTNL,
8453 .cmd = NL80211_CMD_SET_MPATH,
8454 .doit = nl80211_set_mpath,
8455 .policy = nl80211_policy,
8456 .flags = GENL_ADMIN_PERM,
8457 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8458 NL80211_FLAG_NEED_RTNL,
8461 .cmd = NL80211_CMD_NEW_MPATH,
8462 .doit = nl80211_new_mpath,
8463 .policy = nl80211_policy,
8464 .flags = GENL_ADMIN_PERM,
8465 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8466 NL80211_FLAG_NEED_RTNL,
8469 .cmd = NL80211_CMD_DEL_MPATH,
8470 .doit = nl80211_del_mpath,
8471 .policy = nl80211_policy,
8472 .flags = GENL_ADMIN_PERM,
8473 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8474 NL80211_FLAG_NEED_RTNL,
8477 .cmd = NL80211_CMD_SET_BSS,
8478 .doit = nl80211_set_bss,
8479 .policy = nl80211_policy,
8480 .flags = GENL_ADMIN_PERM,
8481 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8482 NL80211_FLAG_NEED_RTNL,
8485 .cmd = NL80211_CMD_GET_REG,
8486 .doit = nl80211_get_reg,
8487 .policy = nl80211_policy,
8488 /* can be retrieved by unprivileged users */
8491 .cmd = NL80211_CMD_SET_REG,
8492 .doit = nl80211_set_reg,
8493 .policy = nl80211_policy,
8494 .flags = GENL_ADMIN_PERM,
8497 .cmd = NL80211_CMD_REQ_SET_REG,
8498 .doit = nl80211_req_set_reg,
8499 .policy = nl80211_policy,
8500 .flags = GENL_ADMIN_PERM,
8503 .cmd = NL80211_CMD_GET_MESH_CONFIG,
8504 .doit = nl80211_get_mesh_config,
8505 .policy = nl80211_policy,
8506 /* can be retrieved by unprivileged users */
8507 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8508 NL80211_FLAG_NEED_RTNL,
8511 .cmd = NL80211_CMD_SET_MESH_CONFIG,
8512 .doit = nl80211_update_mesh_config,
8513 .policy = nl80211_policy,
8514 .flags = GENL_ADMIN_PERM,
8515 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8516 NL80211_FLAG_NEED_RTNL,
8519 .cmd = NL80211_CMD_TRIGGER_SCAN,
8520 .doit = nl80211_trigger_scan,
8521 .policy = nl80211_policy,
8522 .flags = GENL_ADMIN_PERM,
8523 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8524 NL80211_FLAG_NEED_RTNL,
8527 .cmd = NL80211_CMD_GET_SCAN,
8528 .policy = nl80211_policy,
8529 .dumpit = nl80211_dump_scan,
8532 .cmd = NL80211_CMD_START_SCHED_SCAN,
8533 .doit = nl80211_start_sched_scan,
8534 .policy = nl80211_policy,
8535 .flags = GENL_ADMIN_PERM,
8536 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8537 NL80211_FLAG_NEED_RTNL,
8540 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
8541 .doit = nl80211_stop_sched_scan,
8542 .policy = nl80211_policy,
8543 .flags = GENL_ADMIN_PERM,
8544 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8545 NL80211_FLAG_NEED_RTNL,
8548 .cmd = NL80211_CMD_AUTHENTICATE,
8549 .doit = nl80211_authenticate,
8550 .policy = nl80211_policy,
8551 .flags = GENL_ADMIN_PERM,
8552 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8553 NL80211_FLAG_NEED_RTNL,
8556 .cmd = NL80211_CMD_ASSOCIATE,
8557 .doit = nl80211_associate,
8558 .policy = nl80211_policy,
8559 .flags = GENL_ADMIN_PERM,
8560 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8561 NL80211_FLAG_NEED_RTNL,
8564 .cmd = NL80211_CMD_DEAUTHENTICATE,
8565 .doit = nl80211_deauthenticate,
8566 .policy = nl80211_policy,
8567 .flags = GENL_ADMIN_PERM,
8568 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8569 NL80211_FLAG_NEED_RTNL,
8572 .cmd = NL80211_CMD_DISASSOCIATE,
8573 .doit = nl80211_disassociate,
8574 .policy = nl80211_policy,
8575 .flags = GENL_ADMIN_PERM,
8576 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8577 NL80211_FLAG_NEED_RTNL,
8580 .cmd = NL80211_CMD_JOIN_IBSS,
8581 .doit = nl80211_join_ibss,
8582 .policy = nl80211_policy,
8583 .flags = GENL_ADMIN_PERM,
8584 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8585 NL80211_FLAG_NEED_RTNL,
8588 .cmd = NL80211_CMD_LEAVE_IBSS,
8589 .doit = nl80211_leave_ibss,
8590 .policy = nl80211_policy,
8591 .flags = GENL_ADMIN_PERM,
8592 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8593 NL80211_FLAG_NEED_RTNL,
8595 #ifdef CONFIG_NL80211_TESTMODE
8597 .cmd = NL80211_CMD_TESTMODE,
8598 .doit = nl80211_testmode_do,
8599 .dumpit = nl80211_testmode_dump,
8600 .policy = nl80211_policy,
8601 .flags = GENL_ADMIN_PERM,
8602 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8603 NL80211_FLAG_NEED_RTNL,
8607 .cmd = NL80211_CMD_CONNECT,
8608 .doit = nl80211_connect,
8609 .policy = nl80211_policy,
8610 .flags = GENL_ADMIN_PERM,
8611 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8612 NL80211_FLAG_NEED_RTNL,
8615 .cmd = NL80211_CMD_DISCONNECT,
8616 .doit = nl80211_disconnect,
8617 .policy = nl80211_policy,
8618 .flags = GENL_ADMIN_PERM,
8619 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8620 NL80211_FLAG_NEED_RTNL,
8623 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
8624 .doit = nl80211_wiphy_netns,
8625 .policy = nl80211_policy,
8626 .flags = GENL_ADMIN_PERM,
8627 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8628 NL80211_FLAG_NEED_RTNL,
8631 .cmd = NL80211_CMD_GET_SURVEY,
8632 .policy = nl80211_policy,
8633 .dumpit = nl80211_dump_survey,
8636 .cmd = NL80211_CMD_SET_PMKSA,
8637 .doit = nl80211_setdel_pmksa,
8638 .policy = nl80211_policy,
8639 .flags = GENL_ADMIN_PERM,
8640 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8641 NL80211_FLAG_NEED_RTNL,
8644 .cmd = NL80211_CMD_DEL_PMKSA,
8645 .doit = nl80211_setdel_pmksa,
8646 .policy = nl80211_policy,
8647 .flags = GENL_ADMIN_PERM,
8648 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8649 NL80211_FLAG_NEED_RTNL,
8652 .cmd = NL80211_CMD_FLUSH_PMKSA,
8653 .doit = nl80211_flush_pmksa,
8654 .policy = nl80211_policy,
8655 .flags = GENL_ADMIN_PERM,
8656 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8657 NL80211_FLAG_NEED_RTNL,
8660 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
8661 .doit = nl80211_remain_on_channel,
8662 .policy = nl80211_policy,
8663 .flags = GENL_ADMIN_PERM,
8664 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8665 NL80211_FLAG_NEED_RTNL,
8668 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
8669 .doit = nl80211_cancel_remain_on_channel,
8670 .policy = nl80211_policy,
8671 .flags = GENL_ADMIN_PERM,
8672 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8673 NL80211_FLAG_NEED_RTNL,
8676 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
8677 .doit = nl80211_set_tx_bitrate_mask,
8678 .policy = nl80211_policy,
8679 .flags = GENL_ADMIN_PERM,
8680 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8681 NL80211_FLAG_NEED_RTNL,
8684 .cmd = NL80211_CMD_REGISTER_FRAME,
8685 .doit = nl80211_register_mgmt,
8686 .policy = nl80211_policy,
8687 .flags = GENL_ADMIN_PERM,
8688 .internal_flags = NL80211_FLAG_NEED_WDEV |
8689 NL80211_FLAG_NEED_RTNL,
8692 .cmd = NL80211_CMD_FRAME,
8693 .doit = nl80211_tx_mgmt,
8694 .policy = nl80211_policy,
8695 .flags = GENL_ADMIN_PERM,
8696 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8697 NL80211_FLAG_NEED_RTNL,
8700 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
8701 .doit = nl80211_tx_mgmt_cancel_wait,
8702 .policy = nl80211_policy,
8703 .flags = GENL_ADMIN_PERM,
8704 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8705 NL80211_FLAG_NEED_RTNL,
8708 .cmd = NL80211_CMD_SET_POWER_SAVE,
8709 .doit = nl80211_set_power_save,
8710 .policy = nl80211_policy,
8711 .flags = GENL_ADMIN_PERM,
8712 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8713 NL80211_FLAG_NEED_RTNL,
8716 .cmd = NL80211_CMD_GET_POWER_SAVE,
8717 .doit = nl80211_get_power_save,
8718 .policy = nl80211_policy,
8719 /* can be retrieved by unprivileged users */
8720 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8721 NL80211_FLAG_NEED_RTNL,
8724 .cmd = NL80211_CMD_SET_CQM,
8725 .doit = nl80211_set_cqm,
8726 .policy = nl80211_policy,
8727 .flags = GENL_ADMIN_PERM,
8728 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8729 NL80211_FLAG_NEED_RTNL,
8732 .cmd = NL80211_CMD_SET_CHANNEL,
8733 .doit = nl80211_set_channel,
8734 .policy = nl80211_policy,
8735 .flags = GENL_ADMIN_PERM,
8736 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8737 NL80211_FLAG_NEED_RTNL,
8740 .cmd = NL80211_CMD_SET_WDS_PEER,
8741 .doit = nl80211_set_wds_peer,
8742 .policy = nl80211_policy,
8743 .flags = GENL_ADMIN_PERM,
8744 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8745 NL80211_FLAG_NEED_RTNL,
8748 .cmd = NL80211_CMD_JOIN_MESH,
8749 .doit = nl80211_join_mesh,
8750 .policy = nl80211_policy,
8751 .flags = GENL_ADMIN_PERM,
8752 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8753 NL80211_FLAG_NEED_RTNL,
8756 .cmd = NL80211_CMD_LEAVE_MESH,
8757 .doit = nl80211_leave_mesh,
8758 .policy = nl80211_policy,
8759 .flags = GENL_ADMIN_PERM,
8760 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8761 NL80211_FLAG_NEED_RTNL,
8765 .cmd = NL80211_CMD_GET_WOWLAN,
8766 .doit = nl80211_get_wowlan,
8767 .policy = nl80211_policy,
8768 /* can be retrieved by unprivileged users */
8769 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8770 NL80211_FLAG_NEED_RTNL,
8773 .cmd = NL80211_CMD_SET_WOWLAN,
8774 .doit = nl80211_set_wowlan,
8775 .policy = nl80211_policy,
8776 .flags = GENL_ADMIN_PERM,
8777 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8778 NL80211_FLAG_NEED_RTNL,
8782 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
8783 .doit = nl80211_set_rekey_data,
8784 .policy = nl80211_policy,
8785 .flags = GENL_ADMIN_PERM,
8786 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8787 NL80211_FLAG_NEED_RTNL,
8790 .cmd = NL80211_CMD_TDLS_MGMT,
8791 .doit = nl80211_tdls_mgmt,
8792 .policy = nl80211_policy,
8793 .flags = GENL_ADMIN_PERM,
8794 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8795 NL80211_FLAG_NEED_RTNL,
8798 .cmd = NL80211_CMD_TDLS_OPER,
8799 .doit = nl80211_tdls_oper,
8800 .policy = nl80211_policy,
8801 .flags = GENL_ADMIN_PERM,
8802 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8803 NL80211_FLAG_NEED_RTNL,
8806 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
8807 .doit = nl80211_register_unexpected_frame,
8808 .policy = nl80211_policy,
8809 .flags = GENL_ADMIN_PERM,
8810 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8811 NL80211_FLAG_NEED_RTNL,
8814 .cmd = NL80211_CMD_PROBE_CLIENT,
8815 .doit = nl80211_probe_client,
8816 .policy = nl80211_policy,
8817 .flags = GENL_ADMIN_PERM,
8818 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8819 NL80211_FLAG_NEED_RTNL,
8822 .cmd = NL80211_CMD_REGISTER_BEACONS,
8823 .doit = nl80211_register_beacons,
8824 .policy = nl80211_policy,
8825 .flags = GENL_ADMIN_PERM,
8826 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8827 NL80211_FLAG_NEED_RTNL,
8830 .cmd = NL80211_CMD_SET_NOACK_MAP,
8831 .doit = nl80211_set_noack_map,
8832 .policy = nl80211_policy,
8833 .flags = GENL_ADMIN_PERM,
8834 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8835 NL80211_FLAG_NEED_RTNL,
8838 .cmd = NL80211_CMD_START_P2P_DEVICE,
8839 .doit = nl80211_start_p2p_device,
8840 .policy = nl80211_policy,
8841 .flags = GENL_ADMIN_PERM,
8842 .internal_flags = NL80211_FLAG_NEED_WDEV |
8843 NL80211_FLAG_NEED_RTNL,
8846 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
8847 .doit = nl80211_stop_p2p_device,
8848 .policy = nl80211_policy,
8849 .flags = GENL_ADMIN_PERM,
8850 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8851 NL80211_FLAG_NEED_RTNL,
8854 .cmd = NL80211_CMD_SET_MCAST_RATE,
8855 .doit = nl80211_set_mcast_rate,
8856 .policy = nl80211_policy,
8857 .flags = GENL_ADMIN_PERM,
8858 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8859 NL80211_FLAG_NEED_RTNL,
8862 .cmd = NL80211_CMD_SET_MAC_ACL,
8863 .doit = nl80211_set_mac_acl,
8864 .policy = nl80211_policy,
8865 .flags = GENL_ADMIN_PERM,
8866 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8867 NL80211_FLAG_NEED_RTNL,
8870 .cmd = NL80211_CMD_RADAR_DETECT,
8871 .doit = nl80211_start_radar_detection,
8872 .policy = nl80211_policy,
8873 .flags = GENL_ADMIN_PERM,
8874 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8875 NL80211_FLAG_NEED_RTNL,
8878 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
8879 .doit = nl80211_get_protocol_features,
8880 .policy = nl80211_policy,
8883 .cmd = NL80211_CMD_UPDATE_FT_IES,
8884 .doit = nl80211_update_ft_ies,
8885 .policy = nl80211_policy,
8886 .flags = GENL_ADMIN_PERM,
8887 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8888 NL80211_FLAG_NEED_RTNL,
8892 static struct genl_multicast_group nl80211_mlme_mcgrp = {
8896 /* multicast groups */
8897 static struct genl_multicast_group nl80211_config_mcgrp = {
8900 static struct genl_multicast_group nl80211_scan_mcgrp = {
8903 static struct genl_multicast_group nl80211_regulatory_mcgrp = {
8904 .name = "regulatory",
8907 /* notification functions */
8909 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
8911 struct sk_buff *msg;
8913 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8917 if (nl80211_send_wiphy(rdev, msg, 0, 0, 0,
8918 false, NULL, NULL, NULL) < 0) {
8923 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8924 nl80211_config_mcgrp.id, GFP_KERNEL);
8927 static int nl80211_add_scan_req(struct sk_buff *msg,
8928 struct cfg80211_registered_device *rdev)
8930 struct cfg80211_scan_request *req = rdev->scan_req;
8931 struct nlattr *nest;
8934 lockdep_assert_held(&rdev->sched_scan_mtx);
8939 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
8941 goto nla_put_failure;
8942 for (i = 0; i < req->n_ssids; i++) {
8943 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
8944 goto nla_put_failure;
8946 nla_nest_end(msg, nest);
8948 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
8950 goto nla_put_failure;
8951 for (i = 0; i < req->n_channels; i++) {
8952 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
8953 goto nla_put_failure;
8955 nla_nest_end(msg, nest);
8958 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
8959 goto nla_put_failure;
8962 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags);
8969 static int nl80211_send_scan_msg(struct sk_buff *msg,
8970 struct cfg80211_registered_device *rdev,
8971 struct wireless_dev *wdev,
8972 u32 portid, u32 seq, int flags,
8977 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
8981 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8982 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
8983 wdev->netdev->ifindex)) ||
8984 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
8985 goto nla_put_failure;
8987 /* ignore errors and send incomplete event anyway */
8988 nl80211_add_scan_req(msg, rdev);
8990 return genlmsg_end(msg, hdr);
8993 genlmsg_cancel(msg, hdr);
8998 nl80211_send_sched_scan_msg(struct sk_buff *msg,
8999 struct cfg80211_registered_device *rdev,
9000 struct net_device *netdev,
9001 u32 portid, u32 seq, int flags, u32 cmd)
9005 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
9009 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9010 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
9011 goto nla_put_failure;
9013 return genlmsg_end(msg, hdr);
9016 genlmsg_cancel(msg, hdr);
9020 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
9021 struct wireless_dev *wdev)
9023 struct sk_buff *msg;
9025 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9029 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9030 NL80211_CMD_TRIGGER_SCAN) < 0) {
9035 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9036 nl80211_scan_mcgrp.id, GFP_KERNEL);
9039 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
9040 struct wireless_dev *wdev)
9042 struct sk_buff *msg;
9044 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9048 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9049 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
9054 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9055 nl80211_scan_mcgrp.id, GFP_KERNEL);
9058 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
9059 struct wireless_dev *wdev)
9061 struct sk_buff *msg;
9063 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9067 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9068 NL80211_CMD_SCAN_ABORTED) < 0) {
9073 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9074 nl80211_scan_mcgrp.id, GFP_KERNEL);
9077 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
9078 struct net_device *netdev)
9080 struct sk_buff *msg;
9082 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9086 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
9087 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
9092 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9093 nl80211_scan_mcgrp.id, GFP_KERNEL);
9096 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
9097 struct net_device *netdev, u32 cmd)
9099 struct sk_buff *msg;
9101 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9105 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
9110 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9111 nl80211_scan_mcgrp.id, GFP_KERNEL);
9115 * This can happen on global regulatory changes or device specific settings
9116 * based on custom world regulatory domains.
9118 void nl80211_send_reg_change_event(struct regulatory_request *request)
9120 struct sk_buff *msg;
9123 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9127 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
9133 /* Userspace can always count this one always being set */
9134 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
9135 goto nla_put_failure;
9137 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
9138 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9139 NL80211_REGDOM_TYPE_WORLD))
9140 goto nla_put_failure;
9141 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
9142 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9143 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
9144 goto nla_put_failure;
9145 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
9146 request->intersect) {
9147 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9148 NL80211_REGDOM_TYPE_INTERSECTION))
9149 goto nla_put_failure;
9151 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9152 NL80211_REGDOM_TYPE_COUNTRY) ||
9153 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
9155 goto nla_put_failure;
9158 if (request->wiphy_idx != WIPHY_IDX_INVALID &&
9159 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
9160 goto nla_put_failure;
9162 genlmsg_end(msg, hdr);
9165 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
9172 genlmsg_cancel(msg, hdr);
9176 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
9177 struct net_device *netdev,
9178 const u8 *buf, size_t len,
9179 enum nl80211_commands cmd, gfp_t gfp)
9181 struct sk_buff *msg;
9184 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9188 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9194 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9195 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9196 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
9197 goto nla_put_failure;
9199 genlmsg_end(msg, hdr);
9201 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9202 nl80211_mlme_mcgrp.id, gfp);
9206 genlmsg_cancel(msg, hdr);
9210 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
9211 struct net_device *netdev, const u8 *buf,
9212 size_t len, gfp_t gfp)
9214 nl80211_send_mlme_event(rdev, netdev, buf, len,
9215 NL80211_CMD_AUTHENTICATE, gfp);
9218 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
9219 struct net_device *netdev, const u8 *buf,
9220 size_t len, gfp_t gfp)
9222 nl80211_send_mlme_event(rdev, netdev, buf, len,
9223 NL80211_CMD_ASSOCIATE, gfp);
9226 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
9227 struct net_device *netdev, const u8 *buf,
9228 size_t len, gfp_t gfp)
9230 nl80211_send_mlme_event(rdev, netdev, buf, len,
9231 NL80211_CMD_DEAUTHENTICATE, gfp);
9234 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
9235 struct net_device *netdev, const u8 *buf,
9236 size_t len, gfp_t gfp)
9238 nl80211_send_mlme_event(rdev, netdev, buf, len,
9239 NL80211_CMD_DISASSOCIATE, gfp);
9242 void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf,
9245 struct wireless_dev *wdev = dev->ieee80211_ptr;
9246 struct wiphy *wiphy = wdev->wiphy;
9247 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9249 trace_cfg80211_send_unprot_deauth(dev);
9250 nl80211_send_mlme_event(rdev, dev, buf, len,
9251 NL80211_CMD_UNPROT_DEAUTHENTICATE, GFP_ATOMIC);
9253 EXPORT_SYMBOL(cfg80211_send_unprot_deauth);
9255 void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf,
9258 struct wireless_dev *wdev = dev->ieee80211_ptr;
9259 struct wiphy *wiphy = wdev->wiphy;
9260 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9262 trace_cfg80211_send_unprot_disassoc(dev);
9263 nl80211_send_mlme_event(rdev, dev, buf, len,
9264 NL80211_CMD_UNPROT_DISASSOCIATE, GFP_ATOMIC);
9266 EXPORT_SYMBOL(cfg80211_send_unprot_disassoc);
9268 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
9269 struct net_device *netdev, int cmd,
9270 const u8 *addr, gfp_t gfp)
9272 struct sk_buff *msg;
9275 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9279 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9285 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9286 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9287 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
9288 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
9289 goto nla_put_failure;
9291 genlmsg_end(msg, hdr);
9293 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9294 nl80211_mlme_mcgrp.id, gfp);
9298 genlmsg_cancel(msg, hdr);
9302 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
9303 struct net_device *netdev, const u8 *addr,
9306 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
9310 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
9311 struct net_device *netdev, const u8 *addr,
9314 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
9318 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
9319 struct net_device *netdev, const u8 *bssid,
9320 const u8 *req_ie, size_t req_ie_len,
9321 const u8 *resp_ie, size_t resp_ie_len,
9322 u16 status, gfp_t gfp)
9324 struct sk_buff *msg;
9327 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9331 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
9337 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9338 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9339 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) ||
9340 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) ||
9342 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
9344 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
9345 goto nla_put_failure;
9347 genlmsg_end(msg, hdr);
9349 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9350 nl80211_mlme_mcgrp.id, gfp);
9354 genlmsg_cancel(msg, hdr);
9359 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
9360 struct net_device *netdev, const u8 *bssid,
9361 const u8 *req_ie, size_t req_ie_len,
9362 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
9364 struct sk_buff *msg;
9367 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9371 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
9377 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9378 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9379 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
9381 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
9383 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
9384 goto nla_put_failure;
9386 genlmsg_end(msg, hdr);
9388 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9389 nl80211_mlme_mcgrp.id, gfp);
9393 genlmsg_cancel(msg, hdr);
9398 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
9399 struct net_device *netdev, u16 reason,
9400 const u8 *ie, size_t ie_len, bool from_ap)
9402 struct sk_buff *msg;
9405 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9409 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
9415 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9416 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9417 (from_ap && reason &&
9418 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
9420 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
9421 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
9422 goto nla_put_failure;
9424 genlmsg_end(msg, hdr);
9426 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9427 nl80211_mlme_mcgrp.id, GFP_KERNEL);
9431 genlmsg_cancel(msg, hdr);
9436 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
9437 struct net_device *netdev, const u8 *bssid,
9440 struct sk_buff *msg;
9443 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9447 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
9453 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9454 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9455 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
9456 goto nla_put_failure;
9458 genlmsg_end(msg, hdr);
9460 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9461 nl80211_mlme_mcgrp.id, gfp);
9465 genlmsg_cancel(msg, hdr);
9469 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
9470 const u8* ie, u8 ie_len, gfp_t gfp)
9472 struct wireless_dev *wdev = dev->ieee80211_ptr;
9473 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
9474 struct sk_buff *msg;
9477 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
9480 trace_cfg80211_notify_new_peer_candidate(dev, addr);
9482 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9486 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
9492 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9493 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
9494 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9496 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
9497 goto nla_put_failure;
9499 genlmsg_end(msg, hdr);
9501 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9502 nl80211_mlme_mcgrp.id, gfp);
9506 genlmsg_cancel(msg, hdr);
9509 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
9511 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
9512 struct net_device *netdev, const u8 *addr,
9513 enum nl80211_key_type key_type, int key_id,
9514 const u8 *tsc, gfp_t gfp)
9516 struct sk_buff *msg;
9519 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9523 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
9529 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9530 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9531 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
9532 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
9534 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
9535 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
9536 goto nla_put_failure;
9538 genlmsg_end(msg, hdr);
9540 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9541 nl80211_mlme_mcgrp.id, gfp);
9545 genlmsg_cancel(msg, hdr);
9549 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
9550 struct ieee80211_channel *channel_before,
9551 struct ieee80211_channel *channel_after)
9553 struct sk_buff *msg;
9555 struct nlattr *nl_freq;
9557 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
9561 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
9568 * Since we are applying the beacon hint to a wiphy we know its
9569 * wiphy_idx is valid
9571 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
9572 goto nla_put_failure;
9575 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
9577 goto nla_put_failure;
9578 if (nl80211_msg_put_channel(msg, channel_before, false))
9579 goto nla_put_failure;
9580 nla_nest_end(msg, nl_freq);
9583 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
9585 goto nla_put_failure;
9586 if (nl80211_msg_put_channel(msg, channel_after, false))
9587 goto nla_put_failure;
9588 nla_nest_end(msg, nl_freq);
9590 genlmsg_end(msg, hdr);
9593 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
9600 genlmsg_cancel(msg, hdr);
9604 static void nl80211_send_remain_on_chan_event(
9605 int cmd, struct cfg80211_registered_device *rdev,
9606 struct wireless_dev *wdev, u64 cookie,
9607 struct ieee80211_channel *chan,
9608 unsigned int duration, gfp_t gfp)
9610 struct sk_buff *msg;
9613 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9617 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9623 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9624 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
9625 wdev->netdev->ifindex)) ||
9626 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
9627 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
9628 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
9629 NL80211_CHAN_NO_HT) ||
9630 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
9631 goto nla_put_failure;
9633 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
9634 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
9635 goto nla_put_failure;
9637 genlmsg_end(msg, hdr);
9639 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9640 nl80211_mlme_mcgrp.id, gfp);
9644 genlmsg_cancel(msg, hdr);
9648 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
9649 struct ieee80211_channel *chan,
9650 unsigned int duration, gfp_t gfp)
9652 struct wiphy *wiphy = wdev->wiphy;
9653 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9655 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
9656 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
9657 rdev, wdev, cookie, chan,
9660 EXPORT_SYMBOL(cfg80211_ready_on_channel);
9662 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
9663 struct ieee80211_channel *chan,
9666 struct wiphy *wiphy = wdev->wiphy;
9667 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9669 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
9670 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
9671 rdev, wdev, cookie, chan, 0, gfp);
9673 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
9675 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
9676 struct station_info *sinfo, gfp_t gfp)
9678 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
9679 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9680 struct sk_buff *msg;
9682 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
9684 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9688 if (nl80211_send_station(msg, 0, 0, 0,
9689 rdev, dev, mac_addr, sinfo) < 0) {
9694 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9695 nl80211_mlme_mcgrp.id, gfp);
9697 EXPORT_SYMBOL(cfg80211_new_sta);
9699 void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
9701 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
9702 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9703 struct sk_buff *msg;
9706 trace_cfg80211_del_sta(dev, mac_addr);
9708 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9712 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
9718 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
9719 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
9720 goto nla_put_failure;
9722 genlmsg_end(msg, hdr);
9724 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9725 nl80211_mlme_mcgrp.id, gfp);
9729 genlmsg_cancel(msg, hdr);
9732 EXPORT_SYMBOL(cfg80211_del_sta);
9734 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
9735 enum nl80211_connect_failed_reason reason,
9738 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
9739 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9740 struct sk_buff *msg;
9743 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
9747 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
9753 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
9754 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
9755 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
9756 goto nla_put_failure;
9758 genlmsg_end(msg, hdr);
9760 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9761 nl80211_mlme_mcgrp.id, gfp);
9765 genlmsg_cancel(msg, hdr);
9768 EXPORT_SYMBOL(cfg80211_conn_failed);
9770 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
9771 const u8 *addr, gfp_t gfp)
9773 struct wireless_dev *wdev = dev->ieee80211_ptr;
9774 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
9775 struct sk_buff *msg;
9778 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
9783 msg = nlmsg_new(100, gfp);
9787 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9793 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9794 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
9795 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
9796 goto nla_put_failure;
9798 err = genlmsg_end(msg, hdr);
9804 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
9808 genlmsg_cancel(msg, hdr);
9813 bool cfg80211_rx_spurious_frame(struct net_device *dev,
9814 const u8 *addr, gfp_t gfp)
9816 struct wireless_dev *wdev = dev->ieee80211_ptr;
9819 trace_cfg80211_rx_spurious_frame(dev, addr);
9821 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
9822 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
9823 trace_cfg80211_return_bool(false);
9826 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
9828 trace_cfg80211_return_bool(ret);
9831 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
9833 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
9834 const u8 *addr, gfp_t gfp)
9836 struct wireless_dev *wdev = dev->ieee80211_ptr;
9839 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
9841 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
9842 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
9843 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
9844 trace_cfg80211_return_bool(false);
9847 ret = __nl80211_unexpected_frame(dev,
9848 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
9850 trace_cfg80211_return_bool(ret);
9853 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
9855 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
9856 struct wireless_dev *wdev, u32 nlportid,
9857 int freq, int sig_dbm,
9858 const u8 *buf, size_t len, gfp_t gfp)
9860 struct net_device *netdev = wdev->netdev;
9861 struct sk_buff *msg;
9864 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9868 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
9874 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9875 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
9876 netdev->ifindex)) ||
9877 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
9879 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
9880 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
9881 goto nla_put_failure;
9883 genlmsg_end(msg, hdr);
9885 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
9888 genlmsg_cancel(msg, hdr);
9893 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
9894 const u8 *buf, size_t len, bool ack, gfp_t gfp)
9896 struct wiphy *wiphy = wdev->wiphy;
9897 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9898 struct net_device *netdev = wdev->netdev;
9899 struct sk_buff *msg;
9902 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
9904 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9908 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
9914 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9915 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
9916 netdev->ifindex)) ||
9917 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
9918 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
9919 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
9920 goto nla_put_failure;
9922 genlmsg_end(msg, hdr);
9924 genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
9928 genlmsg_cancel(msg, hdr);
9931 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
9933 void cfg80211_cqm_rssi_notify(struct net_device *dev,
9934 enum nl80211_cqm_rssi_threshold_event rssi_event,
9937 struct wireless_dev *wdev = dev->ieee80211_ptr;
9938 struct wiphy *wiphy = wdev->wiphy;
9939 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9940 struct sk_buff *msg;
9941 struct nlattr *pinfoattr;
9944 trace_cfg80211_cqm_rssi_notify(dev, rssi_event);
9946 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9950 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
9956 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9957 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9958 goto nla_put_failure;
9960 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
9962 goto nla_put_failure;
9964 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
9966 goto nla_put_failure;
9968 nla_nest_end(msg, pinfoattr);
9970 genlmsg_end(msg, hdr);
9972 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9973 nl80211_mlme_mcgrp.id, gfp);
9977 genlmsg_cancel(msg, hdr);
9980 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
9982 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
9983 struct net_device *netdev, const u8 *bssid,
9984 const u8 *replay_ctr, gfp_t gfp)
9986 struct sk_buff *msg;
9987 struct nlattr *rekey_attr;
9990 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9994 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
10000 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10001 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10002 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
10003 goto nla_put_failure;
10005 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
10007 goto nla_put_failure;
10009 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
10010 NL80211_REPLAY_CTR_LEN, replay_ctr))
10011 goto nla_put_failure;
10013 nla_nest_end(msg, rekey_attr);
10015 genlmsg_end(msg, hdr);
10017 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10018 nl80211_mlme_mcgrp.id, gfp);
10022 genlmsg_cancel(msg, hdr);
10026 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
10027 const u8 *replay_ctr, gfp_t gfp)
10029 struct wireless_dev *wdev = dev->ieee80211_ptr;
10030 struct wiphy *wiphy = wdev->wiphy;
10031 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10033 trace_cfg80211_gtk_rekey_notify(dev, bssid);
10034 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
10036 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
10039 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
10040 struct net_device *netdev, int index,
10041 const u8 *bssid, bool preauth, gfp_t gfp)
10043 struct sk_buff *msg;
10044 struct nlattr *attr;
10047 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10051 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
10057 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10058 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
10059 goto nla_put_failure;
10061 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
10063 goto nla_put_failure;
10065 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
10066 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
10068 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
10069 goto nla_put_failure;
10071 nla_nest_end(msg, attr);
10073 genlmsg_end(msg, hdr);
10075 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10076 nl80211_mlme_mcgrp.id, gfp);
10080 genlmsg_cancel(msg, hdr);
10084 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
10085 const u8 *bssid, bool preauth, gfp_t gfp)
10087 struct wireless_dev *wdev = dev->ieee80211_ptr;
10088 struct wiphy *wiphy = wdev->wiphy;
10089 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10091 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
10092 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
10094 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
10096 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
10097 struct net_device *netdev,
10098 struct cfg80211_chan_def *chandef,
10101 struct sk_buff *msg;
10104 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10108 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY);
10114 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
10115 goto nla_put_failure;
10117 if (nl80211_send_chandef(msg, chandef))
10118 goto nla_put_failure;
10120 genlmsg_end(msg, hdr);
10122 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10123 nl80211_mlme_mcgrp.id, gfp);
10127 genlmsg_cancel(msg, hdr);
10131 void cfg80211_ch_switch_notify(struct net_device *dev,
10132 struct cfg80211_chan_def *chandef)
10134 struct wireless_dev *wdev = dev->ieee80211_ptr;
10135 struct wiphy *wiphy = wdev->wiphy;
10136 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10138 trace_cfg80211_ch_switch_notify(dev, chandef);
10142 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10143 wdev->iftype != NL80211_IFTYPE_P2P_GO))
10146 wdev->channel = chandef->chan;
10147 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
10152 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
10154 void cfg80211_cqm_txe_notify(struct net_device *dev,
10155 const u8 *peer, u32 num_packets,
10156 u32 rate, u32 intvl, gfp_t gfp)
10158 struct wireless_dev *wdev = dev->ieee80211_ptr;
10159 struct wiphy *wiphy = wdev->wiphy;
10160 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10161 struct sk_buff *msg;
10162 struct nlattr *pinfoattr;
10165 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
10169 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
10175 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10176 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10177 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
10178 goto nla_put_failure;
10180 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
10182 goto nla_put_failure;
10184 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
10185 goto nla_put_failure;
10187 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
10188 goto nla_put_failure;
10190 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
10191 goto nla_put_failure;
10193 nla_nest_end(msg, pinfoattr);
10195 genlmsg_end(msg, hdr);
10197 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10198 nl80211_mlme_mcgrp.id, gfp);
10202 genlmsg_cancel(msg, hdr);
10205 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
10208 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
10209 struct cfg80211_chan_def *chandef,
10210 enum nl80211_radar_event event,
10211 struct net_device *netdev, gfp_t gfp)
10213 struct sk_buff *msg;
10216 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10220 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
10226 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10227 goto nla_put_failure;
10229 /* NOP and radar events don't need a netdev parameter */
10231 struct wireless_dev *wdev = netdev->ieee80211_ptr;
10233 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10234 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
10235 goto nla_put_failure;
10238 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
10239 goto nla_put_failure;
10241 if (nl80211_send_chandef(msg, chandef))
10242 goto nla_put_failure;
10244 if (genlmsg_end(msg, hdr) < 0) {
10249 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10250 nl80211_mlme_mcgrp.id, gfp);
10254 genlmsg_cancel(msg, hdr);
10258 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
10259 const u8 *peer, u32 num_packets, gfp_t gfp)
10261 struct wireless_dev *wdev = dev->ieee80211_ptr;
10262 struct wiphy *wiphy = wdev->wiphy;
10263 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10264 struct sk_buff *msg;
10265 struct nlattr *pinfoattr;
10268 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
10270 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10274 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
10280 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10281 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10282 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
10283 goto nla_put_failure;
10285 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
10287 goto nla_put_failure;
10289 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
10290 goto nla_put_failure;
10292 nla_nest_end(msg, pinfoattr);
10294 genlmsg_end(msg, hdr);
10296 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10297 nl80211_mlme_mcgrp.id, gfp);
10301 genlmsg_cancel(msg, hdr);
10304 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
10306 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
10307 u64 cookie, bool acked, gfp_t gfp)
10309 struct wireless_dev *wdev = dev->ieee80211_ptr;
10310 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10311 struct sk_buff *msg;
10315 trace_cfg80211_probe_status(dev, addr, cookie, acked);
10317 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10322 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
10328 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10329 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10330 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
10331 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
10332 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
10333 goto nla_put_failure;
10335 err = genlmsg_end(msg, hdr);
10341 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10342 nl80211_mlme_mcgrp.id, gfp);
10346 genlmsg_cancel(msg, hdr);
10349 EXPORT_SYMBOL(cfg80211_probe_status);
10351 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
10352 const u8 *frame, size_t len,
10353 int freq, int sig_dbm)
10355 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10356 struct sk_buff *msg;
10358 struct cfg80211_beacon_registration *reg;
10360 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
10362 spin_lock_bh(&rdev->beacon_registrations_lock);
10363 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
10364 msg = nlmsg_new(len + 100, GFP_ATOMIC);
10366 spin_unlock_bh(&rdev->beacon_registrations_lock);
10370 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
10372 goto nla_put_failure;
10374 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10376 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
10378 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
10379 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
10380 goto nla_put_failure;
10382 genlmsg_end(msg, hdr);
10384 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
10386 spin_unlock_bh(&rdev->beacon_registrations_lock);
10390 spin_unlock_bh(&rdev->beacon_registrations_lock);
10392 genlmsg_cancel(msg, hdr);
10395 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
10398 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
10399 struct cfg80211_wowlan_wakeup *wakeup,
10402 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10403 struct sk_buff *msg;
10405 int err, size = 200;
10407 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
10410 size += wakeup->packet_present_len;
10412 msg = nlmsg_new(size, gfp);
10416 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
10420 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10421 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
10424 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10425 wdev->netdev->ifindex))
10429 struct nlattr *reasons;
10431 reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
10433 if (wakeup->disconnect &&
10434 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
10436 if (wakeup->magic_pkt &&
10437 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
10439 if (wakeup->gtk_rekey_failure &&
10440 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
10442 if (wakeup->eap_identity_req &&
10443 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
10445 if (wakeup->four_way_handshake &&
10446 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
10448 if (wakeup->rfkill_release &&
10449 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
10452 if (wakeup->pattern_idx >= 0 &&
10453 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
10454 wakeup->pattern_idx))
10457 if (wakeup->tcp_match)
10458 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH);
10460 if (wakeup->tcp_connlost)
10462 NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST);
10464 if (wakeup->tcp_nomoretokens)
10466 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS);
10468 if (wakeup->packet) {
10469 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
10470 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
10472 if (!wakeup->packet_80211) {
10474 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
10476 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
10479 if (wakeup->packet_len &&
10480 nla_put_u32(msg, len_attr, wakeup->packet_len))
10483 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
10488 nla_nest_end(msg, reasons);
10491 err = genlmsg_end(msg, hdr);
10495 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10496 nl80211_mlme_mcgrp.id, gfp);
10502 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
10505 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
10506 enum nl80211_tdls_operation oper,
10507 u16 reason_code, gfp_t gfp)
10509 struct wireless_dev *wdev = dev->ieee80211_ptr;
10510 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10511 struct sk_buff *msg;
10515 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
10518 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10522 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
10528 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10529 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10530 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
10531 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
10532 (reason_code > 0 &&
10533 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
10534 goto nla_put_failure;
10536 err = genlmsg_end(msg, hdr);
10542 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10543 nl80211_mlme_mcgrp.id, gfp);
10547 genlmsg_cancel(msg, hdr);
10550 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
10552 static int nl80211_netlink_notify(struct notifier_block * nb,
10553 unsigned long state,
10556 struct netlink_notify *notify = _notify;
10557 struct cfg80211_registered_device *rdev;
10558 struct wireless_dev *wdev;
10559 struct cfg80211_beacon_registration *reg, *tmp;
10561 if (state != NETLINK_URELEASE)
10562 return NOTIFY_DONE;
10566 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
10567 list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
10568 cfg80211_mlme_unregister_socket(wdev, notify->portid);
10570 spin_lock_bh(&rdev->beacon_registrations_lock);
10571 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
10573 if (reg->nlportid == notify->portid) {
10574 list_del(®->list);
10579 spin_unlock_bh(&rdev->beacon_registrations_lock);
10584 return NOTIFY_DONE;
10587 static struct notifier_block nl80211_netlink_notifier = {
10588 .notifier_call = nl80211_netlink_notify,
10591 void cfg80211_ft_event(struct net_device *netdev,
10592 struct cfg80211_ft_event_params *ft_event)
10594 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
10595 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10596 struct sk_buff *msg;
10600 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
10602 if (!ft_event->target_ap)
10605 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10609 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
10615 nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
10616 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
10617 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap);
10619 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies);
10620 if (ft_event->ric_ies)
10621 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
10622 ft_event->ric_ies);
10624 err = genlmsg_end(msg, hdr);
10630 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10631 nl80211_mlme_mcgrp.id, GFP_KERNEL);
10633 EXPORT_SYMBOL(cfg80211_ft_event);
10635 /* initialisation/exit functions */
10637 int nl80211_init(void)
10641 err = genl_register_family_with_ops(&nl80211_fam,
10642 nl80211_ops, ARRAY_SIZE(nl80211_ops));
10646 err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp);
10650 err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp);
10654 err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp);
10658 err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp);
10662 #ifdef CONFIG_NL80211_TESTMODE
10663 err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp);
10668 err = netlink_register_notifier(&nl80211_netlink_notifier);
10674 genl_unregister_family(&nl80211_fam);
10678 void nl80211_exit(void)
10680 netlink_unregister_notifier(&nl80211_netlink_notifier);
10681 genl_unregister_family(&nl80211_fam);