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)
5054 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5055 n_channels = validate_scan_freqs(
5056 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
5060 enum ieee80211_band band;
5063 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
5064 if (wiphy->bands[band])
5065 n_channels += wiphy->bands[band]->n_channels;
5068 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5069 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
5072 if (n_ssids > wiphy->max_scan_ssids)
5075 if (info->attrs[NL80211_ATTR_IE])
5076 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5080 if (ie_len > wiphy->max_scan_ie_len)
5083 request = kzalloc(sizeof(*request)
5084 + sizeof(*request->ssids) * n_ssids
5085 + sizeof(*request->channels) * n_channels
5086 + ie_len, GFP_KERNEL);
5091 request->ssids = (void *)&request->channels[n_channels];
5092 request->n_ssids = n_ssids;
5095 request->ie = (void *)(request->ssids + n_ssids);
5097 request->ie = (void *)(request->channels + n_channels);
5101 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5102 /* user specified, bail out if channel not found */
5103 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
5104 struct ieee80211_channel *chan;
5106 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5113 /* ignore disabled channels */
5114 if (chan->flags & IEEE80211_CHAN_DISABLED)
5117 request->channels[i] = chan;
5121 enum ieee80211_band band;
5124 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5126 if (!wiphy->bands[band])
5128 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
5129 struct ieee80211_channel *chan;
5131 chan = &wiphy->bands[band]->channels[j];
5133 if (chan->flags & IEEE80211_CHAN_DISABLED)
5136 request->channels[i] = chan;
5147 request->n_channels = i;
5150 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5151 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
5152 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
5156 request->ssids[i].ssid_len = nla_len(attr);
5157 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
5162 if (info->attrs[NL80211_ATTR_IE]) {
5163 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5164 memcpy((void *)request->ie,
5165 nla_data(info->attrs[NL80211_ATTR_IE]),
5169 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
5170 if (wiphy->bands[i])
5172 (1 << wiphy->bands[i]->n_bitrates) - 1;
5174 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
5175 nla_for_each_nested(attr,
5176 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
5178 enum ieee80211_band band = nla_type(attr);
5180 if (band < 0 || band >= IEEE80211_NUM_BANDS) {
5184 err = ieee80211_get_ratemask(wiphy->bands[band],
5187 &request->rates[band]);
5193 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
5194 request->flags = nla_get_u32(
5195 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
5196 if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5197 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
5198 ((request->flags & NL80211_SCAN_FLAG_FLUSH) &&
5199 !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) {
5206 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
5208 request->wdev = wdev;
5209 request->wiphy = &rdev->wiphy;
5210 request->scan_start = jiffies;
5212 rdev->scan_req = request;
5213 err = rdev_scan(rdev, request);
5216 nl80211_send_scan_start(rdev, wdev);
5218 dev_hold(wdev->netdev);
5221 rdev->scan_req = NULL;
5228 static int nl80211_start_sched_scan(struct sk_buff *skb,
5229 struct genl_info *info)
5231 struct cfg80211_sched_scan_request *request;
5232 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5233 struct net_device *dev = info->user_ptr[1];
5234 struct nlattr *attr;
5235 struct wiphy *wiphy;
5236 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
5238 enum ieee80211_band band;
5240 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
5242 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
5243 !rdev->ops->sched_scan_start)
5246 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5249 if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
5252 interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
5256 wiphy = &rdev->wiphy;
5258 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5259 n_channels = validate_scan_freqs(
5260 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
5266 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
5267 if (wiphy->bands[band])
5268 n_channels += wiphy->bands[band]->n_channels;
5271 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5272 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
5276 if (n_ssids > wiphy->max_sched_scan_ssids)
5279 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH])
5280 nla_for_each_nested(attr,
5281 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
5285 if (n_match_sets > wiphy->max_match_sets)
5288 if (info->attrs[NL80211_ATTR_IE])
5289 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5293 if (ie_len > wiphy->max_sched_scan_ie_len)
5296 mutex_lock(&rdev->sched_scan_mtx);
5298 if (rdev->sched_scan_req) {
5303 request = kzalloc(sizeof(*request)
5304 + sizeof(*request->ssids) * n_ssids
5305 + sizeof(*request->match_sets) * n_match_sets
5306 + sizeof(*request->channels) * n_channels
5307 + ie_len, GFP_KERNEL);
5314 request->ssids = (void *)&request->channels[n_channels];
5315 request->n_ssids = n_ssids;
5318 request->ie = (void *)(request->ssids + n_ssids);
5320 request->ie = (void *)(request->channels + n_channels);
5325 request->match_sets = (void *)(request->ie + ie_len);
5326 else if (request->ssids)
5327 request->match_sets =
5328 (void *)(request->ssids + n_ssids);
5330 request->match_sets =
5331 (void *)(request->channels + n_channels);
5333 request->n_match_sets = n_match_sets;
5336 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5337 /* user specified, bail out if channel not found */
5338 nla_for_each_nested(attr,
5339 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
5341 struct ieee80211_channel *chan;
5343 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5350 /* ignore disabled channels */
5351 if (chan->flags & IEEE80211_CHAN_DISABLED)
5354 request->channels[i] = chan;
5359 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5361 if (!wiphy->bands[band])
5363 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
5364 struct ieee80211_channel *chan;
5366 chan = &wiphy->bands[band]->channels[j];
5368 if (chan->flags & IEEE80211_CHAN_DISABLED)
5371 request->channels[i] = chan;
5382 request->n_channels = i;
5385 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5386 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
5388 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
5392 request->ssids[i].ssid_len = nla_len(attr);
5393 memcpy(request->ssids[i].ssid, nla_data(attr),
5400 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
5401 nla_for_each_nested(attr,
5402 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
5404 struct nlattr *ssid, *rssi;
5406 nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
5407 nla_data(attr), nla_len(attr),
5408 nl80211_match_policy);
5409 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
5411 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
5415 memcpy(request->match_sets[i].ssid.ssid,
5416 nla_data(ssid), nla_len(ssid));
5417 request->match_sets[i].ssid.ssid_len =
5420 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
5422 request->rssi_thold = nla_get_u32(rssi);
5424 request->rssi_thold =
5425 NL80211_SCAN_RSSI_THOLD_OFF;
5430 if (info->attrs[NL80211_ATTR_IE]) {
5431 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5432 memcpy((void *)request->ie,
5433 nla_data(info->attrs[NL80211_ATTR_IE]),
5437 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
5438 request->flags = nla_get_u32(
5439 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
5440 if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5441 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
5442 ((request->flags & NL80211_SCAN_FLAG_FLUSH) &&
5443 !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) {
5450 request->wiphy = &rdev->wiphy;
5451 request->interval = interval;
5452 request->scan_start = jiffies;
5454 err = rdev_sched_scan_start(rdev, dev, request);
5456 rdev->sched_scan_req = request;
5457 nl80211_send_sched_scan(rdev, dev,
5458 NL80211_CMD_START_SCHED_SCAN);
5465 mutex_unlock(&rdev->sched_scan_mtx);
5469 static int nl80211_stop_sched_scan(struct sk_buff *skb,
5470 struct genl_info *info)
5472 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5475 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
5476 !rdev->ops->sched_scan_stop)
5479 mutex_lock(&rdev->sched_scan_mtx);
5480 err = __cfg80211_stop_sched_scan(rdev, false);
5481 mutex_unlock(&rdev->sched_scan_mtx);
5486 static int nl80211_start_radar_detection(struct sk_buff *skb,
5487 struct genl_info *info)
5489 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5490 struct net_device *dev = info->user_ptr[1];
5491 struct wireless_dev *wdev = dev->ieee80211_ptr;
5492 struct cfg80211_chan_def chandef;
5495 err = nl80211_parse_chandef(rdev, info, &chandef);
5499 if (wdev->cac_started)
5502 err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef);
5509 if (chandef.chan->dfs_state != NL80211_DFS_USABLE)
5512 if (!rdev->ops->start_radar_detection)
5515 mutex_lock(&rdev->devlist_mtx);
5516 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
5517 chandef.chan, CHAN_MODE_SHARED,
5518 BIT(chandef.width));
5522 err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
5524 wdev->channel = chandef.chan;
5525 wdev->cac_started = true;
5526 wdev->cac_start_time = jiffies;
5529 mutex_unlock(&rdev->devlist_mtx);
5534 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
5536 struct cfg80211_registered_device *rdev,
5537 struct wireless_dev *wdev,
5538 struct cfg80211_internal_bss *intbss)
5540 struct cfg80211_bss *res = &intbss->pub;
5541 const struct cfg80211_bss_ies *ies;
5546 ASSERT_WDEV_LOCK(wdev);
5548 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
5549 NL80211_CMD_NEW_SCAN_RESULTS);
5553 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
5555 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation) ||
5556 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
5557 goto nla_put_failure;
5559 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
5561 goto nla_put_failure;
5562 if ((!is_zero_ether_addr(res->bssid) &&
5563 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
5564 goto nla_put_failure;
5567 ies = rcu_dereference(res->ies);
5569 if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5570 goto fail_unlock_rcu;
5572 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
5573 ies->len, ies->data))
5574 goto fail_unlock_rcu;
5576 ies = rcu_dereference(res->beacon_ies);
5578 if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5579 goto fail_unlock_rcu;
5580 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
5581 ies->len, ies->data))
5582 goto fail_unlock_rcu;
5586 if (res->beacon_interval &&
5587 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
5588 goto nla_put_failure;
5589 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
5590 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
5591 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
5592 jiffies_to_msecs(jiffies - intbss->ts)))
5593 goto nla_put_failure;
5595 switch (rdev->wiphy.signal_type) {
5596 case CFG80211_SIGNAL_TYPE_MBM:
5597 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
5598 goto nla_put_failure;
5600 case CFG80211_SIGNAL_TYPE_UNSPEC:
5601 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
5602 goto nla_put_failure;
5608 switch (wdev->iftype) {
5609 case NL80211_IFTYPE_P2P_CLIENT:
5610 case NL80211_IFTYPE_STATION:
5611 if (intbss == wdev->current_bss &&
5612 nla_put_u32(msg, NL80211_BSS_STATUS,
5613 NL80211_BSS_STATUS_ASSOCIATED))
5614 goto nla_put_failure;
5616 case NL80211_IFTYPE_ADHOC:
5617 if (intbss == wdev->current_bss &&
5618 nla_put_u32(msg, NL80211_BSS_STATUS,
5619 NL80211_BSS_STATUS_IBSS_JOINED))
5620 goto nla_put_failure;
5626 nla_nest_end(msg, bss);
5628 return genlmsg_end(msg, hdr);
5633 genlmsg_cancel(msg, hdr);
5637 static int nl80211_dump_scan(struct sk_buff *skb,
5638 struct netlink_callback *cb)
5640 struct cfg80211_registered_device *rdev;
5641 struct net_device *dev;
5642 struct cfg80211_internal_bss *scan;
5643 struct wireless_dev *wdev;
5644 int start = cb->args[1], idx = 0;
5647 err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev);
5651 wdev = dev->ieee80211_ptr;
5654 spin_lock_bh(&rdev->bss_lock);
5655 cfg80211_bss_expire(rdev);
5657 cb->seq = rdev->bss_generation;
5659 list_for_each_entry(scan, &rdev->bss_list, list) {
5662 if (nl80211_send_bss(skb, cb,
5663 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5664 rdev, wdev, scan) < 0) {
5670 spin_unlock_bh(&rdev->bss_lock);
5674 nl80211_finish_netdev_dump(rdev);
5679 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
5680 int flags, struct net_device *dev,
5681 struct survey_info *survey)
5684 struct nlattr *infoattr;
5686 hdr = nl80211hdr_put(msg, portid, seq, flags,
5687 NL80211_CMD_NEW_SURVEY_RESULTS);
5691 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
5692 goto nla_put_failure;
5694 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
5696 goto nla_put_failure;
5698 if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
5699 survey->channel->center_freq))
5700 goto nla_put_failure;
5702 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
5703 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
5704 goto nla_put_failure;
5705 if ((survey->filled & SURVEY_INFO_IN_USE) &&
5706 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
5707 goto nla_put_failure;
5708 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) &&
5709 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
5710 survey->channel_time))
5711 goto nla_put_failure;
5712 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) &&
5713 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
5714 survey->channel_time_busy))
5715 goto nla_put_failure;
5716 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) &&
5717 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
5718 survey->channel_time_ext_busy))
5719 goto nla_put_failure;
5720 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) &&
5721 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
5722 survey->channel_time_rx))
5723 goto nla_put_failure;
5724 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) &&
5725 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
5726 survey->channel_time_tx))
5727 goto nla_put_failure;
5729 nla_nest_end(msg, infoattr);
5731 return genlmsg_end(msg, hdr);
5734 genlmsg_cancel(msg, hdr);
5738 static int nl80211_dump_survey(struct sk_buff *skb,
5739 struct netlink_callback *cb)
5741 struct survey_info survey;
5742 struct cfg80211_registered_device *dev;
5743 struct net_device *netdev;
5744 int survey_idx = cb->args[1];
5747 res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
5751 if (!dev->ops->dump_survey) {
5757 struct ieee80211_channel *chan;
5759 res = rdev_dump_survey(dev, netdev, survey_idx, &survey);
5765 /* Survey without a channel doesn't make sense */
5766 if (!survey.channel) {
5771 chan = ieee80211_get_channel(&dev->wiphy,
5772 survey.channel->center_freq);
5773 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
5778 if (nl80211_send_survey(skb,
5779 NETLINK_CB(cb->skb).portid,
5780 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5788 cb->args[1] = survey_idx;
5791 nl80211_finish_netdev_dump(dev);
5795 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
5797 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
5798 NL80211_WPA_VERSION_2));
5801 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
5803 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5804 struct net_device *dev = info->user_ptr[1];
5805 struct ieee80211_channel *chan;
5806 const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL;
5807 int err, ssid_len, ie_len = 0, sae_data_len = 0;
5808 enum nl80211_auth_type auth_type;
5809 struct key_parse key;
5810 bool local_state_change;
5812 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5815 if (!info->attrs[NL80211_ATTR_MAC])
5818 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
5821 if (!info->attrs[NL80211_ATTR_SSID])
5824 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
5827 err = nl80211_parse_key(info, &key);
5832 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
5834 if (!key.p.key || !key.p.key_len)
5836 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
5837 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
5838 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
5839 key.p.key_len != WLAN_KEY_LEN_WEP104))
5851 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
5852 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
5861 if (!rdev->ops->auth)
5864 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5865 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5868 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5869 chan = ieee80211_get_channel(&rdev->wiphy,
5870 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
5871 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
5874 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5875 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
5877 if (info->attrs[NL80211_ATTR_IE]) {
5878 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
5879 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5882 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
5883 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
5886 if (auth_type == NL80211_AUTHTYPE_SAE &&
5887 !info->attrs[NL80211_ATTR_SAE_DATA])
5890 if (info->attrs[NL80211_ATTR_SAE_DATA]) {
5891 if (auth_type != NL80211_AUTHTYPE_SAE)
5893 sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]);
5894 sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]);
5895 /* need to include at least Auth Transaction and Status Code */
5896 if (sae_data_len < 4)
5900 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
5903 * Since we no longer track auth state, ignore
5904 * requests to only change local state.
5906 if (local_state_change)
5909 return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
5910 ssid, ssid_len, ie, ie_len,
5911 key.p.key, key.p.key_len, key.idx,
5912 sae_data, sae_data_len);
5915 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
5916 struct genl_info *info,
5917 struct cfg80211_crypto_settings *settings,
5920 memset(settings, 0, sizeof(*settings));
5922 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
5924 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
5926 proto = nla_get_u16(
5927 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
5928 settings->control_port_ethertype = cpu_to_be16(proto);
5929 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
5932 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
5933 settings->control_port_no_encrypt = true;
5935 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
5937 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
5941 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
5942 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
5943 settings->n_ciphers_pairwise = len / sizeof(u32);
5945 if (len % sizeof(u32))
5948 if (settings->n_ciphers_pairwise > cipher_limit)
5951 memcpy(settings->ciphers_pairwise, data, len);
5953 for (i = 0; i < settings->n_ciphers_pairwise; i++)
5954 if (!cfg80211_supported_cipher_suite(
5956 settings->ciphers_pairwise[i]))
5960 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
5961 settings->cipher_group =
5962 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
5963 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
5964 settings->cipher_group))
5968 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
5969 settings->wpa_versions =
5970 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
5971 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
5975 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
5979 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
5980 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
5981 settings->n_akm_suites = len / sizeof(u32);
5983 if (len % sizeof(u32))
5986 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
5989 memcpy(settings->akm_suites, data, len);
5995 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
5997 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5998 struct net_device *dev = info->user_ptr[1];
5999 struct ieee80211_channel *chan;
6000 struct cfg80211_assoc_request req = {};
6001 const u8 *bssid, *ssid;
6002 int err, ssid_len = 0;
6004 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6007 if (!info->attrs[NL80211_ATTR_MAC] ||
6008 !info->attrs[NL80211_ATTR_SSID] ||
6009 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
6012 if (!rdev->ops->assoc)
6015 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6016 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6019 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6021 chan = ieee80211_get_channel(&rdev->wiphy,
6022 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
6023 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
6026 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6027 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6029 if (info->attrs[NL80211_ATTR_IE]) {
6030 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6031 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6034 if (info->attrs[NL80211_ATTR_USE_MFP]) {
6035 enum nl80211_mfp mfp =
6036 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
6037 if (mfp == NL80211_MFP_REQUIRED)
6039 else if (mfp != NL80211_MFP_NO)
6043 if (info->attrs[NL80211_ATTR_PREV_BSSID])
6044 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
6046 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
6047 req.flags |= ASSOC_REQ_DISABLE_HT;
6049 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6050 memcpy(&req.ht_capa_mask,
6051 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6052 sizeof(req.ht_capa_mask));
6054 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6055 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6057 memcpy(&req.ht_capa,
6058 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6059 sizeof(req.ht_capa));
6062 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
6063 req.flags |= ASSOC_REQ_DISABLE_VHT;
6065 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6066 memcpy(&req.vht_capa_mask,
6067 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
6068 sizeof(req.vht_capa_mask));
6070 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
6071 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6073 memcpy(&req.vht_capa,
6074 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
6075 sizeof(req.vht_capa));
6078 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
6080 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
6081 ssid, ssid_len, &req);
6086 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
6088 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6089 struct net_device *dev = info->user_ptr[1];
6090 const u8 *ie = NULL, *bssid;
6093 bool local_state_change;
6095 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6098 if (!info->attrs[NL80211_ATTR_MAC])
6101 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6104 if (!rdev->ops->deauth)
6107 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6108 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6111 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6113 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6114 if (reason_code == 0) {
6115 /* Reason Code 0 is reserved */
6119 if (info->attrs[NL80211_ATTR_IE]) {
6120 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6121 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6124 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6126 return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
6127 local_state_change);
6130 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
6132 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6133 struct net_device *dev = info->user_ptr[1];
6134 const u8 *ie = NULL, *bssid;
6137 bool local_state_change;
6139 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6142 if (!info->attrs[NL80211_ATTR_MAC])
6145 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6148 if (!rdev->ops->disassoc)
6151 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6152 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6155 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6157 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6158 if (reason_code == 0) {
6159 /* Reason Code 0 is reserved */
6163 if (info->attrs[NL80211_ATTR_IE]) {
6164 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6165 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6168 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6170 return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
6171 local_state_change);
6175 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
6176 int mcast_rate[IEEE80211_NUM_BANDS],
6179 struct wiphy *wiphy = &rdev->wiphy;
6183 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
6184 struct ieee80211_supported_band *sband;
6186 sband = wiphy->bands[band];
6190 for (i = 0; i < sband->n_bitrates; i++) {
6191 if (sband->bitrates[i].bitrate == rateval) {
6192 mcast_rate[band] = i + 1;
6202 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
6204 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6205 struct net_device *dev = info->user_ptr[1];
6206 struct cfg80211_ibss_params ibss;
6207 struct wiphy *wiphy;
6208 struct cfg80211_cached_keys *connkeys = NULL;
6211 memset(&ibss, 0, sizeof(ibss));
6213 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6216 if (!info->attrs[NL80211_ATTR_SSID] ||
6217 !nla_len(info->attrs[NL80211_ATTR_SSID]))
6220 ibss.beacon_interval = 100;
6222 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
6223 ibss.beacon_interval =
6224 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
6225 if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
6229 if (!rdev->ops->join_ibss)
6232 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6235 wiphy = &rdev->wiphy;
6237 if (info->attrs[NL80211_ATTR_MAC]) {
6238 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6240 if (!is_valid_ether_addr(ibss.bssid))
6243 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6244 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6246 if (info->attrs[NL80211_ATTR_IE]) {
6247 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6248 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6251 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
6255 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef))
6258 if (ibss.chandef.width > NL80211_CHAN_WIDTH_40)
6260 if (ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
6261 !(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
6264 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
6265 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
6267 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6269 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6271 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6272 struct ieee80211_supported_band *sband =
6273 wiphy->bands[ibss.chandef.chan->band];
6275 err = ieee80211_get_ratemask(sband, rates, n_rates,
6281 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
6282 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
6283 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
6286 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
6289 connkeys = nl80211_parse_connkeys(rdev,
6290 info->attrs[NL80211_ATTR_KEYS],
6292 if (IS_ERR(connkeys))
6293 return PTR_ERR(connkeys);
6295 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
6303 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
6305 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
6311 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
6313 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6314 struct net_device *dev = info->user_ptr[1];
6316 if (!rdev->ops->leave_ibss)
6319 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6322 return cfg80211_leave_ibss(rdev, dev, false);
6325 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
6327 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6328 struct net_device *dev = info->user_ptr[1];
6329 int mcast_rate[IEEE80211_NUM_BANDS];
6333 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
6334 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6337 if (!rdev->ops->set_mcast_rate)
6340 memset(mcast_rate, 0, sizeof(mcast_rate));
6342 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
6345 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
6346 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
6349 err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
6355 #ifdef CONFIG_NL80211_TESTMODE
6356 static struct genl_multicast_group nl80211_testmode_mcgrp = {
6360 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
6362 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6365 if (!info->attrs[NL80211_ATTR_TESTDATA])
6369 if (rdev->ops->testmode_cmd) {
6370 rdev->testmode_info = info;
6371 err = rdev_testmode_cmd(rdev,
6372 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
6373 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
6374 rdev->testmode_info = NULL;
6380 static int nl80211_testmode_dump(struct sk_buff *skb,
6381 struct netlink_callback *cb)
6383 struct cfg80211_registered_device *rdev;
6391 * 0 is a valid index, but not valid for args[0],
6392 * so we need to offset by 1.
6394 phy_idx = cb->args[0] - 1;
6396 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
6397 nl80211_fam.attrbuf, nl80211_fam.maxattr,
6402 mutex_lock(&cfg80211_mutex);
6403 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
6404 nl80211_fam.attrbuf);
6406 mutex_unlock(&cfg80211_mutex);
6407 return PTR_ERR(rdev);
6409 phy_idx = rdev->wiphy_idx;
6411 mutex_unlock(&cfg80211_mutex);
6413 if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
6415 (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
6419 data = nla_data((void *)cb->args[1]);
6420 data_len = nla_len((void *)cb->args[1]);
6423 mutex_lock(&cfg80211_mutex);
6424 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
6426 mutex_unlock(&cfg80211_mutex);
6429 cfg80211_lock_rdev(rdev);
6430 mutex_unlock(&cfg80211_mutex);
6432 if (!rdev->ops->testmode_dump) {
6438 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
6439 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6440 NL80211_CMD_TESTMODE);
6441 struct nlattr *tmdata;
6443 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
6444 genlmsg_cancel(skb, hdr);
6448 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
6450 genlmsg_cancel(skb, hdr);
6453 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
6454 nla_nest_end(skb, tmdata);
6456 if (err == -ENOBUFS || err == -ENOENT) {
6457 genlmsg_cancel(skb, hdr);
6460 genlmsg_cancel(skb, hdr);
6464 genlmsg_end(skb, hdr);
6469 cb->args[0] = phy_idx + 1;
6471 cfg80211_unlock_rdev(rdev);
6475 static struct sk_buff *
6476 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
6477 int approxlen, u32 portid, u32 seq, gfp_t gfp)
6479 struct sk_buff *skb;
6481 struct nlattr *data;
6483 skb = nlmsg_new(approxlen + 100, gfp);
6487 hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE);
6493 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
6494 goto nla_put_failure;
6495 data = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
6497 ((void **)skb->cb)[0] = rdev;
6498 ((void **)skb->cb)[1] = hdr;
6499 ((void **)skb->cb)[2] = data;
6508 struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
6511 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6513 if (WARN_ON(!rdev->testmode_info))
6516 return __cfg80211_testmode_alloc_skb(rdev, approxlen,
6517 rdev->testmode_info->snd_portid,
6518 rdev->testmode_info->snd_seq,
6521 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb);
6523 int cfg80211_testmode_reply(struct sk_buff *skb)
6525 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
6526 void *hdr = ((void **)skb->cb)[1];
6527 struct nlattr *data = ((void **)skb->cb)[2];
6529 if (WARN_ON(!rdev->testmode_info)) {
6534 nla_nest_end(skb, data);
6535 genlmsg_end(skb, hdr);
6536 return genlmsg_reply(skb, rdev->testmode_info);
6538 EXPORT_SYMBOL(cfg80211_testmode_reply);
6540 struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy,
6541 int approxlen, gfp_t gfp)
6543 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6545 return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp);
6547 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb);
6549 void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
6551 void *hdr = ((void **)skb->cb)[1];
6552 struct nlattr *data = ((void **)skb->cb)[2];
6554 nla_nest_end(skb, data);
6555 genlmsg_end(skb, hdr);
6556 genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp);
6558 EXPORT_SYMBOL(cfg80211_testmode_event);
6561 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
6563 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6564 struct net_device *dev = info->user_ptr[1];
6565 struct cfg80211_connect_params connect;
6566 struct wiphy *wiphy;
6567 struct cfg80211_cached_keys *connkeys = NULL;
6570 memset(&connect, 0, sizeof(connect));
6572 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6575 if (!info->attrs[NL80211_ATTR_SSID] ||
6576 !nla_len(info->attrs[NL80211_ATTR_SSID]))
6579 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
6581 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
6582 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
6583 NL80211_CMD_CONNECT))
6586 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
6588 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
6590 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
6591 NL80211_MAX_NR_CIPHER_SUITES);
6595 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6596 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6599 wiphy = &rdev->wiphy;
6601 connect.bg_scan_period = -1;
6602 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
6603 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
6604 connect.bg_scan_period =
6605 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
6608 if (info->attrs[NL80211_ATTR_MAC])
6609 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6610 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6611 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6613 if (info->attrs[NL80211_ATTR_IE]) {
6614 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6615 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6618 if (info->attrs[NL80211_ATTR_USE_MFP]) {
6619 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
6620 if (connect.mfp != NL80211_MFP_REQUIRED &&
6621 connect.mfp != NL80211_MFP_NO)
6624 connect.mfp = NL80211_MFP_NO;
6627 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
6629 ieee80211_get_channel(wiphy,
6630 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
6631 if (!connect.channel ||
6632 connect.channel->flags & IEEE80211_CHAN_DISABLED)
6636 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
6637 connkeys = nl80211_parse_connkeys(rdev,
6638 info->attrs[NL80211_ATTR_KEYS], NULL);
6639 if (IS_ERR(connkeys))
6640 return PTR_ERR(connkeys);
6643 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
6644 connect.flags |= ASSOC_REQ_DISABLE_HT;
6646 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6647 memcpy(&connect.ht_capa_mask,
6648 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6649 sizeof(connect.ht_capa_mask));
6651 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6652 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
6656 memcpy(&connect.ht_capa,
6657 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6658 sizeof(connect.ht_capa));
6661 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
6662 connect.flags |= ASSOC_REQ_DISABLE_VHT;
6664 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6665 memcpy(&connect.vht_capa_mask,
6666 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
6667 sizeof(connect.vht_capa_mask));
6669 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
6670 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
6674 memcpy(&connect.vht_capa,
6675 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
6676 sizeof(connect.vht_capa));
6679 err = cfg80211_connect(rdev, dev, &connect, connkeys);
6685 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
6687 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6688 struct net_device *dev = info->user_ptr[1];
6691 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6692 reason = WLAN_REASON_DEAUTH_LEAVING;
6694 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6699 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6700 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6703 return cfg80211_disconnect(rdev, dev, reason, true);
6706 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
6708 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6713 if (!info->attrs[NL80211_ATTR_PID])
6716 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
6718 net = get_net_ns_by_pid(pid);
6720 return PTR_ERR(net);
6724 /* check if anything to do */
6725 if (!net_eq(wiphy_net(&rdev->wiphy), net))
6726 err = cfg80211_switch_netns(rdev, net);
6732 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
6734 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6735 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
6736 struct cfg80211_pmksa *pmksa) = NULL;
6737 struct net_device *dev = info->user_ptr[1];
6738 struct cfg80211_pmksa pmksa;
6740 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
6742 if (!info->attrs[NL80211_ATTR_MAC])
6745 if (!info->attrs[NL80211_ATTR_PMKID])
6748 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
6749 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6751 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6752 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6755 switch (info->genlhdr->cmd) {
6756 case NL80211_CMD_SET_PMKSA:
6757 rdev_ops = rdev->ops->set_pmksa;
6759 case NL80211_CMD_DEL_PMKSA:
6760 rdev_ops = rdev->ops->del_pmksa;
6770 return rdev_ops(&rdev->wiphy, dev, &pmksa);
6773 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
6775 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6776 struct net_device *dev = info->user_ptr[1];
6778 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6779 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6782 if (!rdev->ops->flush_pmksa)
6785 return rdev_flush_pmksa(rdev, dev);
6788 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
6790 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6791 struct net_device *dev = info->user_ptr[1];
6792 u8 action_code, dialog_token;
6796 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
6797 !rdev->ops->tdls_mgmt)
6800 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
6801 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
6802 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
6803 !info->attrs[NL80211_ATTR_IE] ||
6804 !info->attrs[NL80211_ATTR_MAC])
6807 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
6808 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
6809 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
6810 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
6812 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
6813 dialog_token, status_code,
6814 nla_data(info->attrs[NL80211_ATTR_IE]),
6815 nla_len(info->attrs[NL80211_ATTR_IE]));
6818 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
6820 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6821 struct net_device *dev = info->user_ptr[1];
6822 enum nl80211_tdls_operation operation;
6825 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
6826 !rdev->ops->tdls_oper)
6829 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
6830 !info->attrs[NL80211_ATTR_MAC])
6833 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
6834 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
6836 return rdev_tdls_oper(rdev, dev, peer, operation);
6839 static int nl80211_remain_on_channel(struct sk_buff *skb,
6840 struct genl_info *info)
6842 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6843 struct wireless_dev *wdev = info->user_ptr[1];
6844 struct cfg80211_chan_def chandef;
6845 struct sk_buff *msg;
6851 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
6852 !info->attrs[NL80211_ATTR_DURATION])
6855 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
6857 if (!rdev->ops->remain_on_channel ||
6858 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
6862 * We should be on that channel for at least a minimum amount of
6863 * time (10ms) but no longer than the driver supports.
6865 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
6866 duration > rdev->wiphy.max_remain_on_channel_duration)
6869 err = nl80211_parse_chandef(rdev, info, &chandef);
6873 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6877 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6878 NL80211_CMD_REMAIN_ON_CHANNEL);
6885 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
6891 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
6892 goto nla_put_failure;
6894 genlmsg_end(msg, hdr);
6896 return genlmsg_reply(msg, info);
6905 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
6906 struct genl_info *info)
6908 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6909 struct wireless_dev *wdev = info->user_ptr[1];
6912 if (!info->attrs[NL80211_ATTR_COOKIE])
6915 if (!rdev->ops->cancel_remain_on_channel)
6918 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
6920 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
6923 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
6924 u8 *rates, u8 rates_len)
6929 for (i = 0; i < rates_len; i++) {
6930 int rate = (rates[i] & 0x7f) * 5;
6932 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
6933 struct ieee80211_rate *srate =
6934 &sband->bitrates[ridx];
6935 if (rate == srate->bitrate) {
6940 if (ridx == sband->n_bitrates)
6941 return 0; /* rate not found */
6947 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
6948 u8 *rates, u8 rates_len,
6949 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
6953 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
6955 for (i = 0; i < rates_len; i++) {
6958 ridx = rates[i] / 8;
6959 rbit = BIT(rates[i] % 8);
6961 /* check validity */
6962 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
6965 /* check availability */
6966 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
6975 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
6976 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
6977 .len = NL80211_MAX_SUPP_RATES },
6978 [NL80211_TXRATE_MCS] = { .type = NLA_BINARY,
6979 .len = NL80211_MAX_SUPP_HT_RATES },
6982 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
6983 struct genl_info *info)
6985 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
6986 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6987 struct cfg80211_bitrate_mask mask;
6989 struct net_device *dev = info->user_ptr[1];
6990 struct nlattr *tx_rates;
6991 struct ieee80211_supported_band *sband;
6993 if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
6996 if (!rdev->ops->set_bitrate_mask)
6999 memset(&mask, 0, sizeof(mask));
7000 /* Default to all rates enabled */
7001 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
7002 sband = rdev->wiphy.bands[i];
7003 mask.control[i].legacy =
7004 sband ? (1 << sband->n_bitrates) - 1 : 0;
7006 memcpy(mask.control[i].mcs,
7007 sband->ht_cap.mcs.rx_mask,
7008 sizeof(mask.control[i].mcs));
7010 memset(mask.control[i].mcs, 0,
7011 sizeof(mask.control[i].mcs));
7015 * The nested attribute uses enum nl80211_band as the index. This maps
7016 * directly to the enum ieee80211_band values used in cfg80211.
7018 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
7019 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
7021 enum ieee80211_band band = nla_type(tx_rates);
7022 if (band < 0 || band >= IEEE80211_NUM_BANDS)
7024 sband = rdev->wiphy.bands[band];
7027 nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
7028 nla_len(tx_rates), nl80211_txattr_policy);
7029 if (tb[NL80211_TXRATE_LEGACY]) {
7030 mask.control[band].legacy = rateset_to_mask(
7032 nla_data(tb[NL80211_TXRATE_LEGACY]),
7033 nla_len(tb[NL80211_TXRATE_LEGACY]));
7034 if ((mask.control[band].legacy == 0) &&
7035 nla_len(tb[NL80211_TXRATE_LEGACY]))
7038 if (tb[NL80211_TXRATE_MCS]) {
7039 if (!ht_rateset_to_mask(
7041 nla_data(tb[NL80211_TXRATE_MCS]),
7042 nla_len(tb[NL80211_TXRATE_MCS]),
7043 mask.control[band].mcs))
7047 if (mask.control[band].legacy == 0) {
7048 /* don't allow empty legacy rates if HT
7049 * is not even supported. */
7050 if (!rdev->wiphy.bands[band]->ht_cap.ht_supported)
7053 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
7054 if (mask.control[band].mcs[i])
7057 /* legacy and mcs rates may not be both empty */
7058 if (i == IEEE80211_HT_MCS_MASK_LEN)
7063 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
7066 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
7068 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7069 struct wireless_dev *wdev = info->user_ptr[1];
7070 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
7072 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
7075 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
7076 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
7078 switch (wdev->iftype) {
7079 case NL80211_IFTYPE_STATION:
7080 case NL80211_IFTYPE_ADHOC:
7081 case NL80211_IFTYPE_P2P_CLIENT:
7082 case NL80211_IFTYPE_AP:
7083 case NL80211_IFTYPE_AP_VLAN:
7084 case NL80211_IFTYPE_MESH_POINT:
7085 case NL80211_IFTYPE_P2P_GO:
7086 case NL80211_IFTYPE_P2P_DEVICE:
7092 /* not much point in registering if we can't reply */
7093 if (!rdev->ops->mgmt_tx)
7096 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
7097 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
7098 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
7101 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
7103 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7104 struct wireless_dev *wdev = info->user_ptr[1];
7105 struct cfg80211_chan_def chandef;
7109 struct sk_buff *msg = NULL;
7110 unsigned int wait = 0;
7111 bool offchan, no_cck, dont_wait_for_ack;
7113 dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
7115 if (!info->attrs[NL80211_ATTR_FRAME])
7118 if (!rdev->ops->mgmt_tx)
7121 switch (wdev->iftype) {
7122 case NL80211_IFTYPE_STATION:
7123 case NL80211_IFTYPE_ADHOC:
7124 case NL80211_IFTYPE_P2P_CLIENT:
7125 case NL80211_IFTYPE_AP:
7126 case NL80211_IFTYPE_AP_VLAN:
7127 case NL80211_IFTYPE_MESH_POINT:
7128 case NL80211_IFTYPE_P2P_GO:
7129 case NL80211_IFTYPE_P2P_DEVICE:
7135 if (info->attrs[NL80211_ATTR_DURATION]) {
7136 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7138 wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7141 * We should wait on the channel for at least a minimum amount
7142 * of time (10ms) but no longer than the driver supports.
7144 if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
7145 wait > rdev->wiphy.max_remain_on_channel_duration)
7150 offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
7152 if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7155 no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7157 err = nl80211_parse_chandef(rdev, info, &chandef);
7161 if (!dont_wait_for_ack) {
7162 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7166 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7175 err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait,
7176 nla_data(info->attrs[NL80211_ATTR_FRAME]),
7177 nla_len(info->attrs[NL80211_ATTR_FRAME]),
7178 no_cck, dont_wait_for_ack, &cookie);
7183 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7184 goto nla_put_failure;
7186 genlmsg_end(msg, hdr);
7187 return genlmsg_reply(msg, info);
7199 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
7201 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7202 struct wireless_dev *wdev = info->user_ptr[1];
7205 if (!info->attrs[NL80211_ATTR_COOKIE])
7208 if (!rdev->ops->mgmt_tx_cancel_wait)
7211 switch (wdev->iftype) {
7212 case NL80211_IFTYPE_STATION:
7213 case NL80211_IFTYPE_ADHOC:
7214 case NL80211_IFTYPE_P2P_CLIENT:
7215 case NL80211_IFTYPE_AP:
7216 case NL80211_IFTYPE_AP_VLAN:
7217 case NL80211_IFTYPE_P2P_GO:
7218 case NL80211_IFTYPE_P2P_DEVICE:
7224 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7226 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
7229 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
7231 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7232 struct wireless_dev *wdev;
7233 struct net_device *dev = info->user_ptr[1];
7238 if (!info->attrs[NL80211_ATTR_PS_STATE])
7241 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
7243 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
7246 wdev = dev->ieee80211_ptr;
7248 if (!rdev->ops->set_power_mgmt)
7251 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
7253 if (state == wdev->ps)
7256 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
7262 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
7264 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7265 enum nl80211_ps_state ps_state;
7266 struct wireless_dev *wdev;
7267 struct net_device *dev = info->user_ptr[1];
7268 struct sk_buff *msg;
7272 wdev = dev->ieee80211_ptr;
7274 if (!rdev->ops->set_power_mgmt)
7277 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7281 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7282 NL80211_CMD_GET_POWER_SAVE);
7289 ps_state = NL80211_PS_ENABLED;
7291 ps_state = NL80211_PS_DISABLED;
7293 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
7294 goto nla_put_failure;
7296 genlmsg_end(msg, hdr);
7297 return genlmsg_reply(msg, info);
7306 static struct nla_policy
7307 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
7308 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
7309 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
7310 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
7311 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
7312 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
7313 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
7316 static int nl80211_set_cqm_txe(struct genl_info *info,
7317 u32 rate, u32 pkts, u32 intvl)
7319 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7320 struct wireless_dev *wdev;
7321 struct net_device *dev = info->user_ptr[1];
7323 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
7326 wdev = dev->ieee80211_ptr;
7328 if (!rdev->ops->set_cqm_txe_config)
7331 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7332 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7335 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
7338 static int nl80211_set_cqm_rssi(struct genl_info *info,
7339 s32 threshold, u32 hysteresis)
7341 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7342 struct wireless_dev *wdev;
7343 struct net_device *dev = info->user_ptr[1];
7348 wdev = dev->ieee80211_ptr;
7350 if (!rdev->ops->set_cqm_rssi_config)
7353 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7354 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7357 return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis);
7360 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
7362 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
7366 cqm = info->attrs[NL80211_ATTR_CQM];
7372 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
7373 nl80211_attr_cqm_policy);
7377 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
7378 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
7381 threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
7382 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
7383 err = nl80211_set_cqm_rssi(info, threshold, hysteresis);
7384 } else if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
7385 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
7386 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
7387 u32 rate, pkts, intvl;
7388 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
7389 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
7390 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
7391 err = nl80211_set_cqm_txe(info, rate, pkts, intvl);
7399 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
7401 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7402 struct net_device *dev = info->user_ptr[1];
7403 struct mesh_config cfg;
7404 struct mesh_setup setup;
7407 /* start with default */
7408 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
7409 memcpy(&setup, &default_mesh_setup, sizeof(setup));
7411 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
7412 /* and parse parameters if given */
7413 err = nl80211_parse_mesh_config(info, &cfg, NULL);
7418 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
7419 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
7422 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
7423 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
7425 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
7426 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
7427 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
7430 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
7431 setup.beacon_interval =
7432 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
7433 if (setup.beacon_interval < 10 ||
7434 setup.beacon_interval > 10000)
7438 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
7440 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
7441 if (setup.dtim_period < 1 || setup.dtim_period > 100)
7445 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
7446 /* parse additional setup parameters if given */
7447 err = nl80211_parse_mesh_setup(info, &setup);
7453 cfg.auto_open_plinks = false;
7455 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
7456 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
7460 /* cfg80211_join_mesh() will sort it out */
7461 setup.chandef.chan = NULL;
7464 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
7467 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
7469 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7470 struct net_device *dev = info->user_ptr[1];
7472 return cfg80211_leave_mesh(rdev, dev);
7476 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
7477 struct cfg80211_registered_device *rdev)
7479 struct nlattr *nl_pats, *nl_pat;
7482 if (!rdev->wowlan->n_patterns)
7485 nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
7489 for (i = 0; i < rdev->wowlan->n_patterns; i++) {
7490 nl_pat = nla_nest_start(msg, i + 1);
7493 pat_len = rdev->wowlan->patterns[i].pattern_len;
7494 if (nla_put(msg, NL80211_WOWLAN_PKTPAT_MASK,
7495 DIV_ROUND_UP(pat_len, 8),
7496 rdev->wowlan->patterns[i].mask) ||
7497 nla_put(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
7498 pat_len, rdev->wowlan->patterns[i].pattern) ||
7499 nla_put_u32(msg, NL80211_WOWLAN_PKTPAT_OFFSET,
7500 rdev->wowlan->patterns[i].pkt_offset))
7502 nla_nest_end(msg, nl_pat);
7504 nla_nest_end(msg, nl_pats);
7509 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
7510 struct cfg80211_wowlan_tcp *tcp)
7512 struct nlattr *nl_tcp;
7517 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
7521 if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
7522 nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
7523 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
7524 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
7525 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
7526 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
7527 tcp->payload_len, tcp->payload) ||
7528 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
7529 tcp->data_interval) ||
7530 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
7531 tcp->wake_len, tcp->wake_data) ||
7532 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
7533 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
7536 if (tcp->payload_seq.len &&
7537 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
7538 sizeof(tcp->payload_seq), &tcp->payload_seq))
7541 if (tcp->payload_tok.len &&
7542 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
7543 sizeof(tcp->payload_tok) + tcp->tokens_size,
7550 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
7552 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7553 struct sk_buff *msg;
7555 u32 size = NLMSG_DEFAULT_SIZE;
7557 if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns &&
7558 !rdev->wiphy.wowlan.tcp)
7561 if (rdev->wowlan && rdev->wowlan->tcp) {
7562 /* adjust size to have room for all the data */
7563 size += rdev->wowlan->tcp->tokens_size +
7564 rdev->wowlan->tcp->payload_len +
7565 rdev->wowlan->tcp->wake_len +
7566 rdev->wowlan->tcp->wake_len / 8;
7569 msg = nlmsg_new(size, GFP_KERNEL);
7573 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7574 NL80211_CMD_GET_WOWLAN);
7576 goto nla_put_failure;
7579 struct nlattr *nl_wowlan;
7581 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
7583 goto nla_put_failure;
7585 if ((rdev->wowlan->any &&
7586 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7587 (rdev->wowlan->disconnect &&
7588 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7589 (rdev->wowlan->magic_pkt &&
7590 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7591 (rdev->wowlan->gtk_rekey_failure &&
7592 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7593 (rdev->wowlan->eap_identity_req &&
7594 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7595 (rdev->wowlan->four_way_handshake &&
7596 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7597 (rdev->wowlan->rfkill_release &&
7598 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
7599 goto nla_put_failure;
7601 if (nl80211_send_wowlan_patterns(msg, rdev))
7602 goto nla_put_failure;
7604 if (nl80211_send_wowlan_tcp(msg, rdev->wowlan->tcp))
7605 goto nla_put_failure;
7607 nla_nest_end(msg, nl_wowlan);
7610 genlmsg_end(msg, hdr);
7611 return genlmsg_reply(msg, info);
7618 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
7619 struct nlattr *attr,
7620 struct cfg80211_wowlan *trig)
7622 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
7623 struct cfg80211_wowlan_tcp *cfg;
7624 struct nl80211_wowlan_tcp_data_token *tok = NULL;
7625 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
7627 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
7630 if (!rdev->wiphy.wowlan.tcp)
7633 err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP,
7634 nla_data(attr), nla_len(attr),
7635 nl80211_wowlan_tcp_policy);
7639 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
7640 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
7641 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
7642 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
7643 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
7644 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
7645 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
7646 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
7649 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
7650 if (data_size > rdev->wiphy.wowlan.tcp->data_payload_max)
7653 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
7654 rdev->wiphy.wowlan.tcp->data_interval_max ||
7655 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
7658 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
7659 if (wake_size > rdev->wiphy.wowlan.tcp->wake_payload_max)
7662 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
7663 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
7666 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
7667 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
7669 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
7670 tokens_size = tokln - sizeof(*tok);
7672 if (!tok->len || tokens_size % tok->len)
7674 if (!rdev->wiphy.wowlan.tcp->tok)
7676 if (tok->len > rdev->wiphy.wowlan.tcp->tok->max_len)
7678 if (tok->len < rdev->wiphy.wowlan.tcp->tok->min_len)
7680 if (tokens_size > rdev->wiphy.wowlan.tcp->tok->bufsize)
7682 if (tok->offset + tok->len > data_size)
7686 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
7687 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
7688 if (!rdev->wiphy.wowlan.tcp->seq)
7690 if (seq->len == 0 || seq->len > 4)
7692 if (seq->len + seq->offset > data_size)
7696 size = sizeof(*cfg);
7698 size += wake_size + wake_mask_size;
7699 size += tokens_size;
7701 cfg = kzalloc(size, GFP_KERNEL);
7704 cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
7705 cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
7706 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
7708 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
7709 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
7713 /* allocate a socket and port for it and use it */
7714 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
7715 IPPROTO_TCP, &cfg->sock, 1);
7720 if (inet_csk_get_port(cfg->sock->sk, port)) {
7721 sock_release(cfg->sock);
7725 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
7731 cfg->src_port = port;
7734 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
7735 cfg->payload_len = data_size;
7736 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
7737 memcpy((void *)cfg->payload,
7738 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
7741 cfg->payload_seq = *seq;
7742 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
7743 cfg->wake_len = wake_size;
7744 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
7745 memcpy((void *)cfg->wake_data,
7746 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
7748 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
7749 data_size + wake_size;
7750 memcpy((void *)cfg->wake_mask,
7751 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
7754 cfg->tokens_size = tokens_size;
7755 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
7763 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
7765 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7766 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
7767 struct cfg80211_wowlan new_triggers = {};
7768 struct cfg80211_wowlan *ntrig;
7769 struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
7771 bool prev_enabled = rdev->wowlan;
7773 if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns &&
7774 !rdev->wiphy.wowlan.tcp)
7777 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
7778 cfg80211_rdev_free_wowlan(rdev);
7779 rdev->wowlan = NULL;
7783 err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
7784 nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
7785 nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
7786 nl80211_wowlan_policy);
7790 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
7791 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
7793 new_triggers.any = true;
7796 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
7797 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
7799 new_triggers.disconnect = true;
7802 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
7803 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
7805 new_triggers.magic_pkt = true;
7808 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
7811 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
7812 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
7814 new_triggers.gtk_rekey_failure = true;
7817 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
7818 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
7820 new_triggers.eap_identity_req = true;
7823 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
7824 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
7826 new_triggers.four_way_handshake = true;
7829 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
7830 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
7832 new_triggers.rfkill_release = true;
7835 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
7838 int rem, pat_len, mask_len, pkt_offset;
7839 struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT];
7841 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
7844 if (n_patterns > wowlan->n_patterns)
7847 new_triggers.patterns = kcalloc(n_patterns,
7848 sizeof(new_triggers.patterns[0]),
7850 if (!new_triggers.patterns)
7853 new_triggers.n_patterns = n_patterns;
7856 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
7858 nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT,
7859 nla_data(pat), nla_len(pat), NULL);
7861 if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] ||
7862 !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN])
7864 pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]);
7865 mask_len = DIV_ROUND_UP(pat_len, 8);
7866 if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) !=
7869 if (pat_len > wowlan->pattern_max_len ||
7870 pat_len < wowlan->pattern_min_len)
7873 if (!pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET])
7876 pkt_offset = nla_get_u32(
7877 pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET]);
7878 if (pkt_offset > wowlan->max_pkt_offset)
7880 new_triggers.patterns[i].pkt_offset = pkt_offset;
7882 new_triggers.patterns[i].mask =
7883 kmalloc(mask_len + pat_len, GFP_KERNEL);
7884 if (!new_triggers.patterns[i].mask) {
7888 new_triggers.patterns[i].pattern =
7889 new_triggers.patterns[i].mask + mask_len;
7890 memcpy(new_triggers.patterns[i].mask,
7891 nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]),
7893 new_triggers.patterns[i].pattern_len = pat_len;
7894 memcpy(new_triggers.patterns[i].pattern,
7895 nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]),
7901 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
7902 err = nl80211_parse_wowlan_tcp(
7903 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
7909 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
7914 cfg80211_rdev_free_wowlan(rdev);
7915 rdev->wowlan = ntrig;
7918 if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan)
7919 rdev_set_wakeup(rdev, rdev->wowlan);
7923 for (i = 0; i < new_triggers.n_patterns; i++)
7924 kfree(new_triggers.patterns[i].mask);
7925 kfree(new_triggers.patterns);
7926 if (new_triggers.tcp && new_triggers.tcp->sock)
7927 sock_release(new_triggers.tcp->sock);
7928 kfree(new_triggers.tcp);
7933 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
7935 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7936 struct net_device *dev = info->user_ptr[1];
7937 struct wireless_dev *wdev = dev->ieee80211_ptr;
7938 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
7939 struct cfg80211_gtk_rekey_data rekey_data;
7942 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
7945 err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
7946 nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
7947 nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
7948 nl80211_rekey_policy);
7952 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
7954 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
7956 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
7959 memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
7961 memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
7963 memcpy(rekey_data.replay_ctr,
7964 nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
7965 NL80211_REPLAY_CTR_LEN);
7968 if (!wdev->current_bss) {
7973 if (!rdev->ops->set_rekey_data) {
7978 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
7984 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
7985 struct genl_info *info)
7987 struct net_device *dev = info->user_ptr[1];
7988 struct wireless_dev *wdev = dev->ieee80211_ptr;
7990 if (wdev->iftype != NL80211_IFTYPE_AP &&
7991 wdev->iftype != NL80211_IFTYPE_P2P_GO)
7994 if (wdev->ap_unexpected_nlportid)
7997 wdev->ap_unexpected_nlportid = info->snd_portid;
8001 static int nl80211_probe_client(struct sk_buff *skb,
8002 struct genl_info *info)
8004 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8005 struct net_device *dev = info->user_ptr[1];
8006 struct wireless_dev *wdev = dev->ieee80211_ptr;
8007 struct sk_buff *msg;
8013 if (wdev->iftype != NL80211_IFTYPE_AP &&
8014 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8017 if (!info->attrs[NL80211_ATTR_MAC])
8020 if (!rdev->ops->probe_client)
8023 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8027 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8028 NL80211_CMD_PROBE_CLIENT);
8035 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
8037 err = rdev_probe_client(rdev, dev, addr, &cookie);
8041 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
8042 goto nla_put_failure;
8044 genlmsg_end(msg, hdr);
8046 return genlmsg_reply(msg, info);
8055 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
8057 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8058 struct cfg80211_beacon_registration *reg, *nreg;
8061 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
8064 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
8068 /* First, check if already registered. */
8069 spin_lock_bh(&rdev->beacon_registrations_lock);
8070 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
8071 if (reg->nlportid == info->snd_portid) {
8076 /* Add it to the list */
8077 nreg->nlportid = info->snd_portid;
8078 list_add(&nreg->list, &rdev->beacon_registrations);
8080 spin_unlock_bh(&rdev->beacon_registrations_lock);
8084 spin_unlock_bh(&rdev->beacon_registrations_lock);
8089 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
8091 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8092 struct wireless_dev *wdev = info->user_ptr[1];
8095 if (!rdev->ops->start_p2p_device)
8098 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8101 if (wdev->p2p_started)
8104 mutex_lock(&rdev->devlist_mtx);
8105 err = cfg80211_can_add_interface(rdev, wdev->iftype);
8106 mutex_unlock(&rdev->devlist_mtx);
8110 err = rdev_start_p2p_device(rdev, wdev);
8114 wdev->p2p_started = true;
8115 mutex_lock(&rdev->devlist_mtx);
8117 mutex_unlock(&rdev->devlist_mtx);
8122 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
8124 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8125 struct wireless_dev *wdev = info->user_ptr[1];
8127 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8130 if (!rdev->ops->stop_p2p_device)
8133 if (!wdev->p2p_started)
8136 rdev_stop_p2p_device(rdev, wdev);
8137 wdev->p2p_started = false;
8139 mutex_lock(&rdev->devlist_mtx);
8141 mutex_unlock(&rdev->devlist_mtx);
8143 if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
8144 rdev->scan_req->aborted = true;
8145 ___cfg80211_scan_done(rdev, true);
8151 static int nl80211_get_protocol_features(struct sk_buff *skb,
8152 struct genl_info *info)
8155 struct sk_buff *msg;
8157 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8161 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8162 NL80211_CMD_GET_PROTOCOL_FEATURES);
8164 goto nla_put_failure;
8166 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
8167 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
8168 goto nla_put_failure;
8170 genlmsg_end(msg, hdr);
8171 return genlmsg_reply(msg, info);
8178 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
8180 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8181 struct cfg80211_update_ft_ies_params ft_params;
8182 struct net_device *dev = info->user_ptr[1];
8184 if (!rdev->ops->update_ft_ies)
8187 if (!info->attrs[NL80211_ATTR_MDID] ||
8188 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8191 memset(&ft_params, 0, sizeof(ft_params));
8192 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
8193 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8194 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8196 return rdev_update_ft_ies(rdev, dev, &ft_params);
8199 #define NL80211_FLAG_NEED_WIPHY 0x01
8200 #define NL80211_FLAG_NEED_NETDEV 0x02
8201 #define NL80211_FLAG_NEED_RTNL 0x04
8202 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
8203 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
8204 NL80211_FLAG_CHECK_NETDEV_UP)
8205 #define NL80211_FLAG_NEED_WDEV 0x10
8206 /* If a netdev is associated, it must be UP, P2P must be started */
8207 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
8208 NL80211_FLAG_CHECK_NETDEV_UP)
8210 static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
8211 struct genl_info *info)
8213 struct cfg80211_registered_device *rdev;
8214 struct wireless_dev *wdev;
8215 struct net_device *dev;
8216 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
8221 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
8222 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8226 return PTR_ERR(rdev);
8228 info->user_ptr[0] = rdev;
8229 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
8230 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
8231 mutex_lock(&cfg80211_mutex);
8232 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
8235 mutex_unlock(&cfg80211_mutex);
8238 return PTR_ERR(wdev);
8242 rdev = wiphy_to_dev(wdev->wiphy);
8244 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
8246 mutex_unlock(&cfg80211_mutex);
8252 info->user_ptr[1] = dev;
8254 info->user_ptr[1] = wdev;
8258 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
8259 !netif_running(dev)) {
8260 mutex_unlock(&cfg80211_mutex);
8267 } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
8268 if (!wdev->p2p_started) {
8269 mutex_unlock(&cfg80211_mutex);
8276 cfg80211_lock_rdev(rdev);
8278 mutex_unlock(&cfg80211_mutex);
8280 info->user_ptr[0] = rdev;
8286 static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
8287 struct genl_info *info)
8289 if (info->user_ptr[0])
8290 cfg80211_unlock_rdev(info->user_ptr[0]);
8291 if (info->user_ptr[1]) {
8292 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
8293 struct wireless_dev *wdev = info->user_ptr[1];
8296 dev_put(wdev->netdev);
8298 dev_put(info->user_ptr[1]);
8301 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
8305 static struct genl_ops nl80211_ops[] = {
8307 .cmd = NL80211_CMD_GET_WIPHY,
8308 .doit = nl80211_get_wiphy,
8309 .dumpit = nl80211_dump_wiphy,
8310 .policy = nl80211_policy,
8311 /* can be retrieved by unprivileged users */
8312 .internal_flags = NL80211_FLAG_NEED_WIPHY,
8315 .cmd = NL80211_CMD_SET_WIPHY,
8316 .doit = nl80211_set_wiphy,
8317 .policy = nl80211_policy,
8318 .flags = GENL_ADMIN_PERM,
8319 .internal_flags = NL80211_FLAG_NEED_RTNL,
8322 .cmd = NL80211_CMD_GET_INTERFACE,
8323 .doit = nl80211_get_interface,
8324 .dumpit = nl80211_dump_interface,
8325 .policy = nl80211_policy,
8326 /* can be retrieved by unprivileged users */
8327 .internal_flags = NL80211_FLAG_NEED_WDEV,
8330 .cmd = NL80211_CMD_SET_INTERFACE,
8331 .doit = nl80211_set_interface,
8332 .policy = nl80211_policy,
8333 .flags = GENL_ADMIN_PERM,
8334 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8335 NL80211_FLAG_NEED_RTNL,
8338 .cmd = NL80211_CMD_NEW_INTERFACE,
8339 .doit = nl80211_new_interface,
8340 .policy = nl80211_policy,
8341 .flags = GENL_ADMIN_PERM,
8342 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8343 NL80211_FLAG_NEED_RTNL,
8346 .cmd = NL80211_CMD_DEL_INTERFACE,
8347 .doit = nl80211_del_interface,
8348 .policy = nl80211_policy,
8349 .flags = GENL_ADMIN_PERM,
8350 .internal_flags = NL80211_FLAG_NEED_WDEV |
8351 NL80211_FLAG_NEED_RTNL,
8354 .cmd = NL80211_CMD_GET_KEY,
8355 .doit = nl80211_get_key,
8356 .policy = nl80211_policy,
8357 .flags = GENL_ADMIN_PERM,
8358 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8359 NL80211_FLAG_NEED_RTNL,
8362 .cmd = NL80211_CMD_SET_KEY,
8363 .doit = nl80211_set_key,
8364 .policy = nl80211_policy,
8365 .flags = GENL_ADMIN_PERM,
8366 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8367 NL80211_FLAG_NEED_RTNL,
8370 .cmd = NL80211_CMD_NEW_KEY,
8371 .doit = nl80211_new_key,
8372 .policy = nl80211_policy,
8373 .flags = GENL_ADMIN_PERM,
8374 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8375 NL80211_FLAG_NEED_RTNL,
8378 .cmd = NL80211_CMD_DEL_KEY,
8379 .doit = nl80211_del_key,
8380 .policy = nl80211_policy,
8381 .flags = GENL_ADMIN_PERM,
8382 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8383 NL80211_FLAG_NEED_RTNL,
8386 .cmd = NL80211_CMD_SET_BEACON,
8387 .policy = nl80211_policy,
8388 .flags = GENL_ADMIN_PERM,
8389 .doit = nl80211_set_beacon,
8390 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8391 NL80211_FLAG_NEED_RTNL,
8394 .cmd = NL80211_CMD_START_AP,
8395 .policy = nl80211_policy,
8396 .flags = GENL_ADMIN_PERM,
8397 .doit = nl80211_start_ap,
8398 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8399 NL80211_FLAG_NEED_RTNL,
8402 .cmd = NL80211_CMD_STOP_AP,
8403 .policy = nl80211_policy,
8404 .flags = GENL_ADMIN_PERM,
8405 .doit = nl80211_stop_ap,
8406 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8407 NL80211_FLAG_NEED_RTNL,
8410 .cmd = NL80211_CMD_GET_STATION,
8411 .doit = nl80211_get_station,
8412 .dumpit = nl80211_dump_station,
8413 .policy = nl80211_policy,
8414 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8415 NL80211_FLAG_NEED_RTNL,
8418 .cmd = NL80211_CMD_SET_STATION,
8419 .doit = nl80211_set_station,
8420 .policy = nl80211_policy,
8421 .flags = GENL_ADMIN_PERM,
8422 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8423 NL80211_FLAG_NEED_RTNL,
8426 .cmd = NL80211_CMD_NEW_STATION,
8427 .doit = nl80211_new_station,
8428 .policy = nl80211_policy,
8429 .flags = GENL_ADMIN_PERM,
8430 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8431 NL80211_FLAG_NEED_RTNL,
8434 .cmd = NL80211_CMD_DEL_STATION,
8435 .doit = nl80211_del_station,
8436 .policy = nl80211_policy,
8437 .flags = GENL_ADMIN_PERM,
8438 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8439 NL80211_FLAG_NEED_RTNL,
8442 .cmd = NL80211_CMD_GET_MPATH,
8443 .doit = nl80211_get_mpath,
8444 .dumpit = nl80211_dump_mpath,
8445 .policy = nl80211_policy,
8446 .flags = GENL_ADMIN_PERM,
8447 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8448 NL80211_FLAG_NEED_RTNL,
8451 .cmd = NL80211_CMD_SET_MPATH,
8452 .doit = nl80211_set_mpath,
8453 .policy = nl80211_policy,
8454 .flags = GENL_ADMIN_PERM,
8455 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8456 NL80211_FLAG_NEED_RTNL,
8459 .cmd = NL80211_CMD_NEW_MPATH,
8460 .doit = nl80211_new_mpath,
8461 .policy = nl80211_policy,
8462 .flags = GENL_ADMIN_PERM,
8463 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8464 NL80211_FLAG_NEED_RTNL,
8467 .cmd = NL80211_CMD_DEL_MPATH,
8468 .doit = nl80211_del_mpath,
8469 .policy = nl80211_policy,
8470 .flags = GENL_ADMIN_PERM,
8471 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8472 NL80211_FLAG_NEED_RTNL,
8475 .cmd = NL80211_CMD_SET_BSS,
8476 .doit = nl80211_set_bss,
8477 .policy = nl80211_policy,
8478 .flags = GENL_ADMIN_PERM,
8479 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8480 NL80211_FLAG_NEED_RTNL,
8483 .cmd = NL80211_CMD_GET_REG,
8484 .doit = nl80211_get_reg,
8485 .policy = nl80211_policy,
8486 /* can be retrieved by unprivileged users */
8489 .cmd = NL80211_CMD_SET_REG,
8490 .doit = nl80211_set_reg,
8491 .policy = nl80211_policy,
8492 .flags = GENL_ADMIN_PERM,
8495 .cmd = NL80211_CMD_REQ_SET_REG,
8496 .doit = nl80211_req_set_reg,
8497 .policy = nl80211_policy,
8498 .flags = GENL_ADMIN_PERM,
8501 .cmd = NL80211_CMD_GET_MESH_CONFIG,
8502 .doit = nl80211_get_mesh_config,
8503 .policy = nl80211_policy,
8504 /* can be retrieved by unprivileged users */
8505 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8506 NL80211_FLAG_NEED_RTNL,
8509 .cmd = NL80211_CMD_SET_MESH_CONFIG,
8510 .doit = nl80211_update_mesh_config,
8511 .policy = nl80211_policy,
8512 .flags = GENL_ADMIN_PERM,
8513 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8514 NL80211_FLAG_NEED_RTNL,
8517 .cmd = NL80211_CMD_TRIGGER_SCAN,
8518 .doit = nl80211_trigger_scan,
8519 .policy = nl80211_policy,
8520 .flags = GENL_ADMIN_PERM,
8521 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8522 NL80211_FLAG_NEED_RTNL,
8525 .cmd = NL80211_CMD_GET_SCAN,
8526 .policy = nl80211_policy,
8527 .dumpit = nl80211_dump_scan,
8530 .cmd = NL80211_CMD_START_SCHED_SCAN,
8531 .doit = nl80211_start_sched_scan,
8532 .policy = nl80211_policy,
8533 .flags = GENL_ADMIN_PERM,
8534 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8535 NL80211_FLAG_NEED_RTNL,
8538 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
8539 .doit = nl80211_stop_sched_scan,
8540 .policy = nl80211_policy,
8541 .flags = GENL_ADMIN_PERM,
8542 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8543 NL80211_FLAG_NEED_RTNL,
8546 .cmd = NL80211_CMD_AUTHENTICATE,
8547 .doit = nl80211_authenticate,
8548 .policy = nl80211_policy,
8549 .flags = GENL_ADMIN_PERM,
8550 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8551 NL80211_FLAG_NEED_RTNL,
8554 .cmd = NL80211_CMD_ASSOCIATE,
8555 .doit = nl80211_associate,
8556 .policy = nl80211_policy,
8557 .flags = GENL_ADMIN_PERM,
8558 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8559 NL80211_FLAG_NEED_RTNL,
8562 .cmd = NL80211_CMD_DEAUTHENTICATE,
8563 .doit = nl80211_deauthenticate,
8564 .policy = nl80211_policy,
8565 .flags = GENL_ADMIN_PERM,
8566 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8567 NL80211_FLAG_NEED_RTNL,
8570 .cmd = NL80211_CMD_DISASSOCIATE,
8571 .doit = nl80211_disassociate,
8572 .policy = nl80211_policy,
8573 .flags = GENL_ADMIN_PERM,
8574 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8575 NL80211_FLAG_NEED_RTNL,
8578 .cmd = NL80211_CMD_JOIN_IBSS,
8579 .doit = nl80211_join_ibss,
8580 .policy = nl80211_policy,
8581 .flags = GENL_ADMIN_PERM,
8582 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8583 NL80211_FLAG_NEED_RTNL,
8586 .cmd = NL80211_CMD_LEAVE_IBSS,
8587 .doit = nl80211_leave_ibss,
8588 .policy = nl80211_policy,
8589 .flags = GENL_ADMIN_PERM,
8590 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8591 NL80211_FLAG_NEED_RTNL,
8593 #ifdef CONFIG_NL80211_TESTMODE
8595 .cmd = NL80211_CMD_TESTMODE,
8596 .doit = nl80211_testmode_do,
8597 .dumpit = nl80211_testmode_dump,
8598 .policy = nl80211_policy,
8599 .flags = GENL_ADMIN_PERM,
8600 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8601 NL80211_FLAG_NEED_RTNL,
8605 .cmd = NL80211_CMD_CONNECT,
8606 .doit = nl80211_connect,
8607 .policy = nl80211_policy,
8608 .flags = GENL_ADMIN_PERM,
8609 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8610 NL80211_FLAG_NEED_RTNL,
8613 .cmd = NL80211_CMD_DISCONNECT,
8614 .doit = nl80211_disconnect,
8615 .policy = nl80211_policy,
8616 .flags = GENL_ADMIN_PERM,
8617 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8618 NL80211_FLAG_NEED_RTNL,
8621 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
8622 .doit = nl80211_wiphy_netns,
8623 .policy = nl80211_policy,
8624 .flags = GENL_ADMIN_PERM,
8625 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8626 NL80211_FLAG_NEED_RTNL,
8629 .cmd = NL80211_CMD_GET_SURVEY,
8630 .policy = nl80211_policy,
8631 .dumpit = nl80211_dump_survey,
8634 .cmd = NL80211_CMD_SET_PMKSA,
8635 .doit = nl80211_setdel_pmksa,
8636 .policy = nl80211_policy,
8637 .flags = GENL_ADMIN_PERM,
8638 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8639 NL80211_FLAG_NEED_RTNL,
8642 .cmd = NL80211_CMD_DEL_PMKSA,
8643 .doit = nl80211_setdel_pmksa,
8644 .policy = nl80211_policy,
8645 .flags = GENL_ADMIN_PERM,
8646 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8647 NL80211_FLAG_NEED_RTNL,
8650 .cmd = NL80211_CMD_FLUSH_PMKSA,
8651 .doit = nl80211_flush_pmksa,
8652 .policy = nl80211_policy,
8653 .flags = GENL_ADMIN_PERM,
8654 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8655 NL80211_FLAG_NEED_RTNL,
8658 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
8659 .doit = nl80211_remain_on_channel,
8660 .policy = nl80211_policy,
8661 .flags = GENL_ADMIN_PERM,
8662 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8663 NL80211_FLAG_NEED_RTNL,
8666 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
8667 .doit = nl80211_cancel_remain_on_channel,
8668 .policy = nl80211_policy,
8669 .flags = GENL_ADMIN_PERM,
8670 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8671 NL80211_FLAG_NEED_RTNL,
8674 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
8675 .doit = nl80211_set_tx_bitrate_mask,
8676 .policy = nl80211_policy,
8677 .flags = GENL_ADMIN_PERM,
8678 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8679 NL80211_FLAG_NEED_RTNL,
8682 .cmd = NL80211_CMD_REGISTER_FRAME,
8683 .doit = nl80211_register_mgmt,
8684 .policy = nl80211_policy,
8685 .flags = GENL_ADMIN_PERM,
8686 .internal_flags = NL80211_FLAG_NEED_WDEV |
8687 NL80211_FLAG_NEED_RTNL,
8690 .cmd = NL80211_CMD_FRAME,
8691 .doit = nl80211_tx_mgmt,
8692 .policy = nl80211_policy,
8693 .flags = GENL_ADMIN_PERM,
8694 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8695 NL80211_FLAG_NEED_RTNL,
8698 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
8699 .doit = nl80211_tx_mgmt_cancel_wait,
8700 .policy = nl80211_policy,
8701 .flags = GENL_ADMIN_PERM,
8702 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8703 NL80211_FLAG_NEED_RTNL,
8706 .cmd = NL80211_CMD_SET_POWER_SAVE,
8707 .doit = nl80211_set_power_save,
8708 .policy = nl80211_policy,
8709 .flags = GENL_ADMIN_PERM,
8710 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8711 NL80211_FLAG_NEED_RTNL,
8714 .cmd = NL80211_CMD_GET_POWER_SAVE,
8715 .doit = nl80211_get_power_save,
8716 .policy = nl80211_policy,
8717 /* can be retrieved by unprivileged users */
8718 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8719 NL80211_FLAG_NEED_RTNL,
8722 .cmd = NL80211_CMD_SET_CQM,
8723 .doit = nl80211_set_cqm,
8724 .policy = nl80211_policy,
8725 .flags = GENL_ADMIN_PERM,
8726 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8727 NL80211_FLAG_NEED_RTNL,
8730 .cmd = NL80211_CMD_SET_CHANNEL,
8731 .doit = nl80211_set_channel,
8732 .policy = nl80211_policy,
8733 .flags = GENL_ADMIN_PERM,
8734 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8735 NL80211_FLAG_NEED_RTNL,
8738 .cmd = NL80211_CMD_SET_WDS_PEER,
8739 .doit = nl80211_set_wds_peer,
8740 .policy = nl80211_policy,
8741 .flags = GENL_ADMIN_PERM,
8742 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8743 NL80211_FLAG_NEED_RTNL,
8746 .cmd = NL80211_CMD_JOIN_MESH,
8747 .doit = nl80211_join_mesh,
8748 .policy = nl80211_policy,
8749 .flags = GENL_ADMIN_PERM,
8750 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8751 NL80211_FLAG_NEED_RTNL,
8754 .cmd = NL80211_CMD_LEAVE_MESH,
8755 .doit = nl80211_leave_mesh,
8756 .policy = nl80211_policy,
8757 .flags = GENL_ADMIN_PERM,
8758 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8759 NL80211_FLAG_NEED_RTNL,
8763 .cmd = NL80211_CMD_GET_WOWLAN,
8764 .doit = nl80211_get_wowlan,
8765 .policy = nl80211_policy,
8766 /* can be retrieved by unprivileged users */
8767 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8768 NL80211_FLAG_NEED_RTNL,
8771 .cmd = NL80211_CMD_SET_WOWLAN,
8772 .doit = nl80211_set_wowlan,
8773 .policy = nl80211_policy,
8774 .flags = GENL_ADMIN_PERM,
8775 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8776 NL80211_FLAG_NEED_RTNL,
8780 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
8781 .doit = nl80211_set_rekey_data,
8782 .policy = nl80211_policy,
8783 .flags = GENL_ADMIN_PERM,
8784 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8785 NL80211_FLAG_NEED_RTNL,
8788 .cmd = NL80211_CMD_TDLS_MGMT,
8789 .doit = nl80211_tdls_mgmt,
8790 .policy = nl80211_policy,
8791 .flags = GENL_ADMIN_PERM,
8792 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8793 NL80211_FLAG_NEED_RTNL,
8796 .cmd = NL80211_CMD_TDLS_OPER,
8797 .doit = nl80211_tdls_oper,
8798 .policy = nl80211_policy,
8799 .flags = GENL_ADMIN_PERM,
8800 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8801 NL80211_FLAG_NEED_RTNL,
8804 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
8805 .doit = nl80211_register_unexpected_frame,
8806 .policy = nl80211_policy,
8807 .flags = GENL_ADMIN_PERM,
8808 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8809 NL80211_FLAG_NEED_RTNL,
8812 .cmd = NL80211_CMD_PROBE_CLIENT,
8813 .doit = nl80211_probe_client,
8814 .policy = nl80211_policy,
8815 .flags = GENL_ADMIN_PERM,
8816 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8817 NL80211_FLAG_NEED_RTNL,
8820 .cmd = NL80211_CMD_REGISTER_BEACONS,
8821 .doit = nl80211_register_beacons,
8822 .policy = nl80211_policy,
8823 .flags = GENL_ADMIN_PERM,
8824 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8825 NL80211_FLAG_NEED_RTNL,
8828 .cmd = NL80211_CMD_SET_NOACK_MAP,
8829 .doit = nl80211_set_noack_map,
8830 .policy = nl80211_policy,
8831 .flags = GENL_ADMIN_PERM,
8832 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8833 NL80211_FLAG_NEED_RTNL,
8836 .cmd = NL80211_CMD_START_P2P_DEVICE,
8837 .doit = nl80211_start_p2p_device,
8838 .policy = nl80211_policy,
8839 .flags = GENL_ADMIN_PERM,
8840 .internal_flags = NL80211_FLAG_NEED_WDEV |
8841 NL80211_FLAG_NEED_RTNL,
8844 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
8845 .doit = nl80211_stop_p2p_device,
8846 .policy = nl80211_policy,
8847 .flags = GENL_ADMIN_PERM,
8848 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
8849 NL80211_FLAG_NEED_RTNL,
8852 .cmd = NL80211_CMD_SET_MCAST_RATE,
8853 .doit = nl80211_set_mcast_rate,
8854 .policy = nl80211_policy,
8855 .flags = GENL_ADMIN_PERM,
8856 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8857 NL80211_FLAG_NEED_RTNL,
8860 .cmd = NL80211_CMD_SET_MAC_ACL,
8861 .doit = nl80211_set_mac_acl,
8862 .policy = nl80211_policy,
8863 .flags = GENL_ADMIN_PERM,
8864 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8865 NL80211_FLAG_NEED_RTNL,
8868 .cmd = NL80211_CMD_RADAR_DETECT,
8869 .doit = nl80211_start_radar_detection,
8870 .policy = nl80211_policy,
8871 .flags = GENL_ADMIN_PERM,
8872 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8873 NL80211_FLAG_NEED_RTNL,
8876 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
8877 .doit = nl80211_get_protocol_features,
8878 .policy = nl80211_policy,
8881 .cmd = NL80211_CMD_UPDATE_FT_IES,
8882 .doit = nl80211_update_ft_ies,
8883 .policy = nl80211_policy,
8884 .flags = GENL_ADMIN_PERM,
8885 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8886 NL80211_FLAG_NEED_RTNL,
8890 static struct genl_multicast_group nl80211_mlme_mcgrp = {
8894 /* multicast groups */
8895 static struct genl_multicast_group nl80211_config_mcgrp = {
8898 static struct genl_multicast_group nl80211_scan_mcgrp = {
8901 static struct genl_multicast_group nl80211_regulatory_mcgrp = {
8902 .name = "regulatory",
8905 /* notification functions */
8907 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
8909 struct sk_buff *msg;
8911 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8915 if (nl80211_send_wiphy(rdev, msg, 0, 0, 0,
8916 false, NULL, NULL, NULL) < 0) {
8921 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8922 nl80211_config_mcgrp.id, GFP_KERNEL);
8925 static int nl80211_add_scan_req(struct sk_buff *msg,
8926 struct cfg80211_registered_device *rdev)
8928 struct cfg80211_scan_request *req = rdev->scan_req;
8929 struct nlattr *nest;
8932 ASSERT_RDEV_LOCK(rdev);
8937 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
8939 goto nla_put_failure;
8940 for (i = 0; i < req->n_ssids; i++) {
8941 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
8942 goto nla_put_failure;
8944 nla_nest_end(msg, nest);
8946 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
8948 goto nla_put_failure;
8949 for (i = 0; i < req->n_channels; i++) {
8950 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
8951 goto nla_put_failure;
8953 nla_nest_end(msg, nest);
8956 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
8957 goto nla_put_failure;
8960 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags);
8967 static int nl80211_send_scan_msg(struct sk_buff *msg,
8968 struct cfg80211_registered_device *rdev,
8969 struct wireless_dev *wdev,
8970 u32 portid, u32 seq, int flags,
8975 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
8979 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
8980 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
8981 wdev->netdev->ifindex)) ||
8982 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
8983 goto nla_put_failure;
8985 /* ignore errors and send incomplete event anyway */
8986 nl80211_add_scan_req(msg, rdev);
8988 return genlmsg_end(msg, hdr);
8991 genlmsg_cancel(msg, hdr);
8996 nl80211_send_sched_scan_msg(struct sk_buff *msg,
8997 struct cfg80211_registered_device *rdev,
8998 struct net_device *netdev,
8999 u32 portid, u32 seq, int flags, u32 cmd)
9003 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
9007 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9008 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
9009 goto nla_put_failure;
9011 return genlmsg_end(msg, hdr);
9014 genlmsg_cancel(msg, hdr);
9018 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
9019 struct wireless_dev *wdev)
9021 struct sk_buff *msg;
9023 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9027 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9028 NL80211_CMD_TRIGGER_SCAN) < 0) {
9033 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9034 nl80211_scan_mcgrp.id, GFP_KERNEL);
9037 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
9038 struct wireless_dev *wdev)
9040 struct sk_buff *msg;
9042 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9046 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9047 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
9052 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9053 nl80211_scan_mcgrp.id, GFP_KERNEL);
9056 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
9057 struct wireless_dev *wdev)
9059 struct sk_buff *msg;
9061 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9065 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9066 NL80211_CMD_SCAN_ABORTED) < 0) {
9071 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9072 nl80211_scan_mcgrp.id, GFP_KERNEL);
9075 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
9076 struct net_device *netdev)
9078 struct sk_buff *msg;
9080 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9084 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
9085 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
9090 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9091 nl80211_scan_mcgrp.id, GFP_KERNEL);
9094 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
9095 struct net_device *netdev, u32 cmd)
9097 struct sk_buff *msg;
9099 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9103 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
9108 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9109 nl80211_scan_mcgrp.id, GFP_KERNEL);
9113 * This can happen on global regulatory changes or device specific settings
9114 * based on custom world regulatory domains.
9116 void nl80211_send_reg_change_event(struct regulatory_request *request)
9118 struct sk_buff *msg;
9121 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9125 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
9131 /* Userspace can always count this one always being set */
9132 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
9133 goto nla_put_failure;
9135 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
9136 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9137 NL80211_REGDOM_TYPE_WORLD))
9138 goto nla_put_failure;
9139 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
9140 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9141 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
9142 goto nla_put_failure;
9143 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
9144 request->intersect) {
9145 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9146 NL80211_REGDOM_TYPE_INTERSECTION))
9147 goto nla_put_failure;
9149 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9150 NL80211_REGDOM_TYPE_COUNTRY) ||
9151 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
9153 goto nla_put_failure;
9156 if (request->wiphy_idx != WIPHY_IDX_INVALID &&
9157 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
9158 goto nla_put_failure;
9160 genlmsg_end(msg, hdr);
9163 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
9170 genlmsg_cancel(msg, hdr);
9174 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
9175 struct net_device *netdev,
9176 const u8 *buf, size_t len,
9177 enum nl80211_commands cmd, gfp_t gfp)
9179 struct sk_buff *msg;
9182 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9186 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9192 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9193 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9194 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
9195 goto nla_put_failure;
9197 genlmsg_end(msg, hdr);
9199 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9200 nl80211_mlme_mcgrp.id, gfp);
9204 genlmsg_cancel(msg, hdr);
9208 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
9209 struct net_device *netdev, const u8 *buf,
9210 size_t len, gfp_t gfp)
9212 nl80211_send_mlme_event(rdev, netdev, buf, len,
9213 NL80211_CMD_AUTHENTICATE, gfp);
9216 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
9217 struct net_device *netdev, const u8 *buf,
9218 size_t len, gfp_t gfp)
9220 nl80211_send_mlme_event(rdev, netdev, buf, len,
9221 NL80211_CMD_ASSOCIATE, gfp);
9224 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
9225 struct net_device *netdev, const u8 *buf,
9226 size_t len, gfp_t gfp)
9228 nl80211_send_mlme_event(rdev, netdev, buf, len,
9229 NL80211_CMD_DEAUTHENTICATE, gfp);
9232 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
9233 struct net_device *netdev, const u8 *buf,
9234 size_t len, gfp_t gfp)
9236 nl80211_send_mlme_event(rdev, netdev, buf, len,
9237 NL80211_CMD_DISASSOCIATE, gfp);
9240 void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf,
9243 struct wireless_dev *wdev = dev->ieee80211_ptr;
9244 struct wiphy *wiphy = wdev->wiphy;
9245 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9247 trace_cfg80211_send_unprot_deauth(dev);
9248 nl80211_send_mlme_event(rdev, dev, buf, len,
9249 NL80211_CMD_UNPROT_DEAUTHENTICATE, GFP_ATOMIC);
9251 EXPORT_SYMBOL(cfg80211_send_unprot_deauth);
9253 void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf,
9256 struct wireless_dev *wdev = dev->ieee80211_ptr;
9257 struct wiphy *wiphy = wdev->wiphy;
9258 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9260 trace_cfg80211_send_unprot_disassoc(dev);
9261 nl80211_send_mlme_event(rdev, dev, buf, len,
9262 NL80211_CMD_UNPROT_DISASSOCIATE, GFP_ATOMIC);
9264 EXPORT_SYMBOL(cfg80211_send_unprot_disassoc);
9266 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
9267 struct net_device *netdev, int cmd,
9268 const u8 *addr, gfp_t gfp)
9270 struct sk_buff *msg;
9273 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9277 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9283 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9284 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9285 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
9286 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
9287 goto nla_put_failure;
9289 genlmsg_end(msg, hdr);
9291 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9292 nl80211_mlme_mcgrp.id, gfp);
9296 genlmsg_cancel(msg, hdr);
9300 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
9301 struct net_device *netdev, const u8 *addr,
9304 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
9308 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
9309 struct net_device *netdev, const u8 *addr,
9312 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
9316 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
9317 struct net_device *netdev, const u8 *bssid,
9318 const u8 *req_ie, size_t req_ie_len,
9319 const u8 *resp_ie, size_t resp_ie_len,
9320 u16 status, gfp_t gfp)
9322 struct sk_buff *msg;
9325 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9329 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
9335 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9336 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9337 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) ||
9338 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) ||
9340 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
9342 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
9343 goto nla_put_failure;
9345 genlmsg_end(msg, hdr);
9347 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9348 nl80211_mlme_mcgrp.id, gfp);
9352 genlmsg_cancel(msg, hdr);
9357 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
9358 struct net_device *netdev, const u8 *bssid,
9359 const u8 *req_ie, size_t req_ie_len,
9360 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
9362 struct sk_buff *msg;
9365 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9369 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
9375 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9376 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9377 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
9379 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
9381 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
9382 goto nla_put_failure;
9384 genlmsg_end(msg, hdr);
9386 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9387 nl80211_mlme_mcgrp.id, gfp);
9391 genlmsg_cancel(msg, hdr);
9396 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
9397 struct net_device *netdev, u16 reason,
9398 const u8 *ie, size_t ie_len, bool from_ap)
9400 struct sk_buff *msg;
9403 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9407 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
9413 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9414 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9415 (from_ap && reason &&
9416 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
9418 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
9419 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
9420 goto nla_put_failure;
9422 genlmsg_end(msg, hdr);
9424 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9425 nl80211_mlme_mcgrp.id, GFP_KERNEL);
9429 genlmsg_cancel(msg, hdr);
9434 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
9435 struct net_device *netdev, const u8 *bssid,
9438 struct sk_buff *msg;
9441 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9445 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
9451 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9452 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9453 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
9454 goto nla_put_failure;
9456 genlmsg_end(msg, hdr);
9458 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9459 nl80211_mlme_mcgrp.id, gfp);
9463 genlmsg_cancel(msg, hdr);
9467 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
9468 const u8* ie, u8 ie_len, gfp_t gfp)
9470 struct wireless_dev *wdev = dev->ieee80211_ptr;
9471 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
9472 struct sk_buff *msg;
9475 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
9478 trace_cfg80211_notify_new_peer_candidate(dev, addr);
9480 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9484 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
9490 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9491 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
9492 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9494 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
9495 goto nla_put_failure;
9497 genlmsg_end(msg, hdr);
9499 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9500 nl80211_mlme_mcgrp.id, gfp);
9504 genlmsg_cancel(msg, hdr);
9507 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
9509 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
9510 struct net_device *netdev, const u8 *addr,
9511 enum nl80211_key_type key_type, int key_id,
9512 const u8 *tsc, gfp_t gfp)
9514 struct sk_buff *msg;
9517 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9521 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
9527 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9528 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9529 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
9530 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
9532 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
9533 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
9534 goto nla_put_failure;
9536 genlmsg_end(msg, hdr);
9538 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9539 nl80211_mlme_mcgrp.id, gfp);
9543 genlmsg_cancel(msg, hdr);
9547 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
9548 struct ieee80211_channel *channel_before,
9549 struct ieee80211_channel *channel_after)
9551 struct sk_buff *msg;
9553 struct nlattr *nl_freq;
9555 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
9559 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
9566 * Since we are applying the beacon hint to a wiphy we know its
9567 * wiphy_idx is valid
9569 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
9570 goto nla_put_failure;
9573 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
9575 goto nla_put_failure;
9576 if (nl80211_msg_put_channel(msg, channel_before, false))
9577 goto nla_put_failure;
9578 nla_nest_end(msg, nl_freq);
9581 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
9583 goto nla_put_failure;
9584 if (nl80211_msg_put_channel(msg, channel_after, false))
9585 goto nla_put_failure;
9586 nla_nest_end(msg, nl_freq);
9588 genlmsg_end(msg, hdr);
9591 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
9598 genlmsg_cancel(msg, hdr);
9602 static void nl80211_send_remain_on_chan_event(
9603 int cmd, struct cfg80211_registered_device *rdev,
9604 struct wireless_dev *wdev, u64 cookie,
9605 struct ieee80211_channel *chan,
9606 unsigned int duration, gfp_t gfp)
9608 struct sk_buff *msg;
9611 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9615 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9621 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9622 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
9623 wdev->netdev->ifindex)) ||
9624 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
9625 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
9626 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
9627 NL80211_CHAN_NO_HT) ||
9628 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
9629 goto nla_put_failure;
9631 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
9632 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
9633 goto nla_put_failure;
9635 genlmsg_end(msg, hdr);
9637 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9638 nl80211_mlme_mcgrp.id, gfp);
9642 genlmsg_cancel(msg, hdr);
9646 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
9647 struct ieee80211_channel *chan,
9648 unsigned int duration, gfp_t gfp)
9650 struct wiphy *wiphy = wdev->wiphy;
9651 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9653 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
9654 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
9655 rdev, wdev, cookie, chan,
9658 EXPORT_SYMBOL(cfg80211_ready_on_channel);
9660 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
9661 struct ieee80211_channel *chan,
9664 struct wiphy *wiphy = wdev->wiphy;
9665 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9667 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
9668 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
9669 rdev, wdev, cookie, chan, 0, gfp);
9671 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
9673 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
9674 struct station_info *sinfo, gfp_t gfp)
9676 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
9677 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9678 struct sk_buff *msg;
9680 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
9682 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9686 if (nl80211_send_station(msg, 0, 0, 0,
9687 rdev, dev, mac_addr, sinfo) < 0) {
9692 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9693 nl80211_mlme_mcgrp.id, gfp);
9695 EXPORT_SYMBOL(cfg80211_new_sta);
9697 void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
9699 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
9700 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9701 struct sk_buff *msg;
9704 trace_cfg80211_del_sta(dev, mac_addr);
9706 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9710 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
9716 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
9717 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
9718 goto nla_put_failure;
9720 genlmsg_end(msg, hdr);
9722 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9723 nl80211_mlme_mcgrp.id, gfp);
9727 genlmsg_cancel(msg, hdr);
9730 EXPORT_SYMBOL(cfg80211_del_sta);
9732 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
9733 enum nl80211_connect_failed_reason reason,
9736 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
9737 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9738 struct sk_buff *msg;
9741 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
9745 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
9751 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
9752 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
9753 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
9754 goto nla_put_failure;
9756 genlmsg_end(msg, hdr);
9758 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9759 nl80211_mlme_mcgrp.id, gfp);
9763 genlmsg_cancel(msg, hdr);
9766 EXPORT_SYMBOL(cfg80211_conn_failed);
9768 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
9769 const u8 *addr, gfp_t gfp)
9771 struct wireless_dev *wdev = dev->ieee80211_ptr;
9772 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
9773 struct sk_buff *msg;
9776 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
9781 msg = nlmsg_new(100, gfp);
9785 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9791 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9792 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
9793 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
9794 goto nla_put_failure;
9796 err = genlmsg_end(msg, hdr);
9802 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
9806 genlmsg_cancel(msg, hdr);
9811 bool cfg80211_rx_spurious_frame(struct net_device *dev,
9812 const u8 *addr, gfp_t gfp)
9814 struct wireless_dev *wdev = dev->ieee80211_ptr;
9817 trace_cfg80211_rx_spurious_frame(dev, addr);
9819 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
9820 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
9821 trace_cfg80211_return_bool(false);
9824 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
9826 trace_cfg80211_return_bool(ret);
9829 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
9831 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
9832 const u8 *addr, gfp_t gfp)
9834 struct wireless_dev *wdev = dev->ieee80211_ptr;
9837 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
9839 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
9840 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
9841 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
9842 trace_cfg80211_return_bool(false);
9845 ret = __nl80211_unexpected_frame(dev,
9846 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
9848 trace_cfg80211_return_bool(ret);
9851 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
9853 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
9854 struct wireless_dev *wdev, u32 nlportid,
9855 int freq, int sig_dbm,
9856 const u8 *buf, size_t len, gfp_t gfp)
9858 struct net_device *netdev = wdev->netdev;
9859 struct sk_buff *msg;
9862 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9866 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
9872 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9873 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
9874 netdev->ifindex)) ||
9875 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
9877 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
9878 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
9879 goto nla_put_failure;
9881 genlmsg_end(msg, hdr);
9883 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
9886 genlmsg_cancel(msg, hdr);
9891 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
9892 const u8 *buf, size_t len, bool ack, gfp_t gfp)
9894 struct wiphy *wiphy = wdev->wiphy;
9895 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9896 struct net_device *netdev = wdev->netdev;
9897 struct sk_buff *msg;
9900 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
9902 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9906 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
9912 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9913 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
9914 netdev->ifindex)) ||
9915 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
9916 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
9917 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
9918 goto nla_put_failure;
9920 genlmsg_end(msg, hdr);
9922 genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
9926 genlmsg_cancel(msg, hdr);
9929 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
9931 void cfg80211_cqm_rssi_notify(struct net_device *dev,
9932 enum nl80211_cqm_rssi_threshold_event rssi_event,
9935 struct wireless_dev *wdev = dev->ieee80211_ptr;
9936 struct wiphy *wiphy = wdev->wiphy;
9937 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9938 struct sk_buff *msg;
9939 struct nlattr *pinfoattr;
9942 trace_cfg80211_cqm_rssi_notify(dev, rssi_event);
9944 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9948 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
9954 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9955 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9956 goto nla_put_failure;
9958 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
9960 goto nla_put_failure;
9962 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
9964 goto nla_put_failure;
9966 nla_nest_end(msg, pinfoattr);
9968 genlmsg_end(msg, hdr);
9970 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9971 nl80211_mlme_mcgrp.id, gfp);
9975 genlmsg_cancel(msg, hdr);
9978 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
9980 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
9981 struct net_device *netdev, const u8 *bssid,
9982 const u8 *replay_ctr, gfp_t gfp)
9984 struct sk_buff *msg;
9985 struct nlattr *rekey_attr;
9988 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9992 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
9998 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9999 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10000 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
10001 goto nla_put_failure;
10003 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
10005 goto nla_put_failure;
10007 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
10008 NL80211_REPLAY_CTR_LEN, replay_ctr))
10009 goto nla_put_failure;
10011 nla_nest_end(msg, rekey_attr);
10013 genlmsg_end(msg, hdr);
10015 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10016 nl80211_mlme_mcgrp.id, gfp);
10020 genlmsg_cancel(msg, hdr);
10024 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
10025 const u8 *replay_ctr, gfp_t gfp)
10027 struct wireless_dev *wdev = dev->ieee80211_ptr;
10028 struct wiphy *wiphy = wdev->wiphy;
10029 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10031 trace_cfg80211_gtk_rekey_notify(dev, bssid);
10032 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
10034 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
10037 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
10038 struct net_device *netdev, int index,
10039 const u8 *bssid, bool preauth, gfp_t gfp)
10041 struct sk_buff *msg;
10042 struct nlattr *attr;
10045 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10049 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
10055 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10056 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
10057 goto nla_put_failure;
10059 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
10061 goto nla_put_failure;
10063 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
10064 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
10066 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
10067 goto nla_put_failure;
10069 nla_nest_end(msg, attr);
10071 genlmsg_end(msg, hdr);
10073 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10074 nl80211_mlme_mcgrp.id, gfp);
10078 genlmsg_cancel(msg, hdr);
10082 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
10083 const u8 *bssid, bool preauth, gfp_t gfp)
10085 struct wireless_dev *wdev = dev->ieee80211_ptr;
10086 struct wiphy *wiphy = wdev->wiphy;
10087 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10089 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
10090 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
10092 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
10094 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
10095 struct net_device *netdev,
10096 struct cfg80211_chan_def *chandef,
10099 struct sk_buff *msg;
10102 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10106 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY);
10112 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
10113 goto nla_put_failure;
10115 if (nl80211_send_chandef(msg, chandef))
10116 goto nla_put_failure;
10118 genlmsg_end(msg, hdr);
10120 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10121 nl80211_mlme_mcgrp.id, gfp);
10125 genlmsg_cancel(msg, hdr);
10129 void cfg80211_ch_switch_notify(struct net_device *dev,
10130 struct cfg80211_chan_def *chandef)
10132 struct wireless_dev *wdev = dev->ieee80211_ptr;
10133 struct wiphy *wiphy = wdev->wiphy;
10134 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10136 trace_cfg80211_ch_switch_notify(dev, chandef);
10140 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10141 wdev->iftype != NL80211_IFTYPE_P2P_GO))
10144 wdev->channel = chandef->chan;
10145 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
10150 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
10152 void cfg80211_cqm_txe_notify(struct net_device *dev,
10153 const u8 *peer, u32 num_packets,
10154 u32 rate, u32 intvl, gfp_t gfp)
10156 struct wireless_dev *wdev = dev->ieee80211_ptr;
10157 struct wiphy *wiphy = wdev->wiphy;
10158 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10159 struct sk_buff *msg;
10160 struct nlattr *pinfoattr;
10163 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
10167 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
10173 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10174 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10175 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
10176 goto nla_put_failure;
10178 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
10180 goto nla_put_failure;
10182 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
10183 goto nla_put_failure;
10185 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
10186 goto nla_put_failure;
10188 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
10189 goto nla_put_failure;
10191 nla_nest_end(msg, pinfoattr);
10193 genlmsg_end(msg, hdr);
10195 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10196 nl80211_mlme_mcgrp.id, gfp);
10200 genlmsg_cancel(msg, hdr);
10203 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
10206 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
10207 struct cfg80211_chan_def *chandef,
10208 enum nl80211_radar_event event,
10209 struct net_device *netdev, gfp_t gfp)
10211 struct sk_buff *msg;
10214 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10218 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
10224 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10225 goto nla_put_failure;
10227 /* NOP and radar events don't need a netdev parameter */
10229 struct wireless_dev *wdev = netdev->ieee80211_ptr;
10231 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10232 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
10233 goto nla_put_failure;
10236 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
10237 goto nla_put_failure;
10239 if (nl80211_send_chandef(msg, chandef))
10240 goto nla_put_failure;
10242 if (genlmsg_end(msg, hdr) < 0) {
10247 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10248 nl80211_mlme_mcgrp.id, gfp);
10252 genlmsg_cancel(msg, hdr);
10256 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
10257 const u8 *peer, u32 num_packets, gfp_t gfp)
10259 struct wireless_dev *wdev = dev->ieee80211_ptr;
10260 struct wiphy *wiphy = wdev->wiphy;
10261 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10262 struct sk_buff *msg;
10263 struct nlattr *pinfoattr;
10266 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
10268 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10272 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
10278 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10279 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10280 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
10281 goto nla_put_failure;
10283 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
10285 goto nla_put_failure;
10287 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
10288 goto nla_put_failure;
10290 nla_nest_end(msg, pinfoattr);
10292 genlmsg_end(msg, hdr);
10294 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10295 nl80211_mlme_mcgrp.id, gfp);
10299 genlmsg_cancel(msg, hdr);
10302 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
10304 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
10305 u64 cookie, bool acked, gfp_t gfp)
10307 struct wireless_dev *wdev = dev->ieee80211_ptr;
10308 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10309 struct sk_buff *msg;
10313 trace_cfg80211_probe_status(dev, addr, cookie, acked);
10315 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10320 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
10326 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10327 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10328 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
10329 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
10330 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
10331 goto nla_put_failure;
10333 err = genlmsg_end(msg, hdr);
10339 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10340 nl80211_mlme_mcgrp.id, gfp);
10344 genlmsg_cancel(msg, hdr);
10347 EXPORT_SYMBOL(cfg80211_probe_status);
10349 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
10350 const u8 *frame, size_t len,
10351 int freq, int sig_dbm)
10353 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10354 struct sk_buff *msg;
10356 struct cfg80211_beacon_registration *reg;
10358 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
10360 spin_lock_bh(&rdev->beacon_registrations_lock);
10361 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
10362 msg = nlmsg_new(len + 100, GFP_ATOMIC);
10364 spin_unlock_bh(&rdev->beacon_registrations_lock);
10368 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
10370 goto nla_put_failure;
10372 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10374 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
10376 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
10377 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
10378 goto nla_put_failure;
10380 genlmsg_end(msg, hdr);
10382 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
10384 spin_unlock_bh(&rdev->beacon_registrations_lock);
10388 spin_unlock_bh(&rdev->beacon_registrations_lock);
10390 genlmsg_cancel(msg, hdr);
10393 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
10396 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
10397 struct cfg80211_wowlan_wakeup *wakeup,
10400 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10401 struct sk_buff *msg;
10403 int err, size = 200;
10405 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
10408 size += wakeup->packet_present_len;
10410 msg = nlmsg_new(size, gfp);
10414 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
10418 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10419 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
10422 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10423 wdev->netdev->ifindex))
10427 struct nlattr *reasons;
10429 reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
10431 if (wakeup->disconnect &&
10432 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
10434 if (wakeup->magic_pkt &&
10435 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
10437 if (wakeup->gtk_rekey_failure &&
10438 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
10440 if (wakeup->eap_identity_req &&
10441 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
10443 if (wakeup->four_way_handshake &&
10444 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
10446 if (wakeup->rfkill_release &&
10447 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
10450 if (wakeup->pattern_idx >= 0 &&
10451 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
10452 wakeup->pattern_idx))
10455 if (wakeup->tcp_match)
10456 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH);
10458 if (wakeup->tcp_connlost)
10460 NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST);
10462 if (wakeup->tcp_nomoretokens)
10464 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS);
10466 if (wakeup->packet) {
10467 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
10468 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
10470 if (!wakeup->packet_80211) {
10472 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
10474 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
10477 if (wakeup->packet_len &&
10478 nla_put_u32(msg, len_attr, wakeup->packet_len))
10481 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
10486 nla_nest_end(msg, reasons);
10489 err = genlmsg_end(msg, hdr);
10493 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10494 nl80211_mlme_mcgrp.id, gfp);
10500 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
10503 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
10504 enum nl80211_tdls_operation oper,
10505 u16 reason_code, gfp_t gfp)
10507 struct wireless_dev *wdev = dev->ieee80211_ptr;
10508 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10509 struct sk_buff *msg;
10513 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
10516 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10520 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
10526 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10527 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10528 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
10529 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
10530 (reason_code > 0 &&
10531 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
10532 goto nla_put_failure;
10534 err = genlmsg_end(msg, hdr);
10540 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10541 nl80211_mlme_mcgrp.id, gfp);
10545 genlmsg_cancel(msg, hdr);
10548 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
10550 static int nl80211_netlink_notify(struct notifier_block * nb,
10551 unsigned long state,
10554 struct netlink_notify *notify = _notify;
10555 struct cfg80211_registered_device *rdev;
10556 struct wireless_dev *wdev;
10557 struct cfg80211_beacon_registration *reg, *tmp;
10559 if (state != NETLINK_URELEASE)
10560 return NOTIFY_DONE;
10564 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
10565 list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
10566 cfg80211_mlme_unregister_socket(wdev, notify->portid);
10568 spin_lock_bh(&rdev->beacon_registrations_lock);
10569 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
10571 if (reg->nlportid == notify->portid) {
10572 list_del(®->list);
10577 spin_unlock_bh(&rdev->beacon_registrations_lock);
10582 return NOTIFY_DONE;
10585 static struct notifier_block nl80211_netlink_notifier = {
10586 .notifier_call = nl80211_netlink_notify,
10589 void cfg80211_ft_event(struct net_device *netdev,
10590 struct cfg80211_ft_event_params *ft_event)
10592 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
10593 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10594 struct sk_buff *msg;
10598 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
10600 if (!ft_event->target_ap)
10603 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10607 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
10613 nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
10614 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
10615 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap);
10617 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies);
10618 if (ft_event->ric_ies)
10619 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
10620 ft_event->ric_ies);
10622 err = genlmsg_end(msg, hdr);
10628 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10629 nl80211_mlme_mcgrp.id, GFP_KERNEL);
10631 EXPORT_SYMBOL(cfg80211_ft_event);
10633 /* initialisation/exit functions */
10635 int nl80211_init(void)
10639 err = genl_register_family_with_ops(&nl80211_fam,
10640 nl80211_ops, ARRAY_SIZE(nl80211_ops));
10644 err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp);
10648 err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp);
10652 err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp);
10656 err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp);
10660 #ifdef CONFIG_NL80211_TESTMODE
10661 err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp);
10666 err = netlink_register_notifier(&nl80211_netlink_notifier);
10672 genl_unregister_family(&nl80211_fam);
10676 void nl80211_exit(void)
10678 netlink_unregister_notifier(&nl80211_netlink_notifier);
10679 genl_unregister_family(&nl80211_fam);