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>
26 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type);
27 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
28 struct genl_info *info,
29 struct cfg80211_crypto_settings *settings,
32 static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
33 struct genl_info *info);
34 static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
35 struct genl_info *info);
37 /* the netlink family */
38 static struct genl_family nl80211_fam = {
39 .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
40 .name = "nl80211", /* have users key off the name instead */
41 .hdrsize = 0, /* no private header */
42 .version = 1, /* no particular meaning now */
43 .maxattr = NL80211_ATTR_MAX,
45 .pre_doit = nl80211_pre_doit,
46 .post_doit = nl80211_post_doit,
49 /* internal helper: get rdev and dev */
50 static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs,
51 struct cfg80211_registered_device **rdev,
52 struct net_device **dev)
56 if (!attrs[NL80211_ATTR_IFINDEX])
59 ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
60 *dev = dev_get_by_index(netns, ifindex);
64 *rdev = cfg80211_get_dev_from_ifindex(netns, ifindex);
67 return PTR_ERR(*rdev);
73 /* policy for the attributes */
74 static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
75 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
76 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
78 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
79 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
80 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
81 [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
82 [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
83 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
84 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
85 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
87 [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
88 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
89 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
91 [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
92 [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
94 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
95 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
96 .len = WLAN_MAX_KEY_LEN },
97 [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
98 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
99 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
100 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
101 [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
103 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
104 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
105 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
106 .len = IEEE80211_MAX_DATA_LEN },
107 [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
108 .len = IEEE80211_MAX_DATA_LEN },
109 [NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
110 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
111 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
112 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
113 .len = NL80211_MAX_SUPP_RATES },
114 [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
115 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
116 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
117 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
118 .len = IEEE80211_MAX_MESH_ID_LEN },
119 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
121 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
122 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
124 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
125 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
126 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
127 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
128 .len = NL80211_MAX_SUPP_RATES },
129 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
131 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
132 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
134 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
136 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
137 [NL80211_ATTR_IE] = { .type = NLA_BINARY,
138 .len = IEEE80211_MAX_DATA_LEN },
139 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
140 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
142 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
143 .len = IEEE80211_MAX_SSID_LEN },
144 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
145 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
146 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
147 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
148 [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 },
149 [NL80211_ATTR_STA_FLAGS2] = {
150 .len = sizeof(struct nl80211_sta_flag_update),
152 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
153 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
154 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
155 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
156 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
157 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
158 [NL80211_ATTR_PID] = { .type = NLA_U32 },
159 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
160 [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
161 .len = WLAN_PMKID_LEN },
162 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
163 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
164 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
165 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
166 .len = IEEE80211_MAX_DATA_LEN },
167 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
168 [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
169 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
170 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
171 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
172 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
173 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
174 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
175 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
176 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
177 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
178 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
179 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
180 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
181 [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
182 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
183 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
184 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
185 [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
186 [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
187 .len = IEEE80211_MAX_DATA_LEN },
188 [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
189 .len = IEEE80211_MAX_DATA_LEN },
190 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
191 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
192 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
193 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
194 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
195 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
196 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
197 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
198 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
199 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
200 .len = IEEE80211_MAX_DATA_LEN },
201 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
202 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
203 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
204 .len = NL80211_HT_CAPABILITY_LEN
206 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
209 /* policy for the key attributes */
210 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
211 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
212 [NL80211_KEY_IDX] = { .type = NLA_U8 },
213 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
214 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
215 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
216 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
217 [NL80211_KEY_TYPE] = { .type = NLA_U32 },
218 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
221 /* policy for the key default flags */
222 static const struct nla_policy
223 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
224 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
225 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
228 /* policy for WoWLAN attributes */
229 static const struct nla_policy
230 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
231 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
232 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
233 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
234 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
235 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
236 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
237 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
238 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
241 /* policy for GTK rekey offload attributes */
242 static const struct nla_policy
243 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
244 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
245 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
246 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
249 static const struct nla_policy
250 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
251 [NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY,
252 .len = IEEE80211_MAX_SSID_LEN },
255 /* ifidx get helper */
256 static int nl80211_get_ifidx(struct netlink_callback *cb)
260 res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
261 nl80211_fam.attrbuf, nl80211_fam.maxattr,
266 if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
269 res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
275 static int nl80211_prepare_netdev_dump(struct sk_buff *skb,
276 struct netlink_callback *cb,
277 struct cfg80211_registered_device **rdev,
278 struct net_device **dev)
280 int ifidx = cb->args[0];
284 ifidx = nl80211_get_ifidx(cb);
292 *dev = __dev_get_by_index(sock_net(skb->sk), ifidx);
298 *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
300 err = PTR_ERR(*rdev);
310 static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev)
312 cfg80211_unlock_rdev(rdev);
317 static bool is_valid_ie_attr(const struct nlattr *attr)
325 pos = nla_data(attr);
346 /* message building helper */
347 static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq,
350 /* since there is no private header just add the generic one */
351 return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd);
354 static int nl80211_msg_put_channel(struct sk_buff *msg,
355 struct ieee80211_channel *chan)
357 NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ,
360 if (chan->flags & IEEE80211_CHAN_DISABLED)
361 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED);
362 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
363 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN);
364 if (chan->flags & IEEE80211_CHAN_NO_IBSS)
365 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS);
366 if (chan->flags & IEEE80211_CHAN_RADAR)
367 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR);
369 NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
370 DBM_TO_MBM(chan->max_power));
378 /* netlink command implementations */
385 bool def_uni, def_multi;
388 static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
390 struct nlattr *tb[NL80211_KEY_MAX + 1];
391 int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
396 k->def = !!tb[NL80211_KEY_DEFAULT];
397 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
406 if (tb[NL80211_KEY_IDX])
407 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
409 if (tb[NL80211_KEY_DATA]) {
410 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
411 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
414 if (tb[NL80211_KEY_SEQ]) {
415 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
416 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
419 if (tb[NL80211_KEY_CIPHER])
420 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
422 if (tb[NL80211_KEY_TYPE]) {
423 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
424 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
428 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
429 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
430 int err = nla_parse_nested(kdt,
431 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
432 tb[NL80211_KEY_DEFAULT_TYPES],
433 nl80211_key_default_policy);
437 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
438 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
444 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
446 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
447 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
448 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
451 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
452 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
453 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
456 if (info->attrs[NL80211_ATTR_KEY_IDX])
457 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
459 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
460 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
462 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
463 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
472 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
473 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
474 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
478 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
479 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
480 int err = nla_parse_nested(
481 kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
482 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
483 nl80211_key_default_policy);
487 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
488 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
494 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
498 memset(k, 0, sizeof(*k));
502 if (info->attrs[NL80211_ATTR_KEY])
503 err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
505 err = nl80211_parse_key_old(info, k);
510 if (k->def && k->defmgmt)
514 if (k->def_uni || !k->def_multi)
520 if (k->idx < 4 || k->idx > 5)
523 if (k->idx < 0 || k->idx > 3)
526 if (k->idx < 0 || k->idx > 5)
534 static struct cfg80211_cached_keys *
535 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
538 struct key_parse parse;
540 struct cfg80211_cached_keys *result;
541 int rem, err, def = 0;
543 result = kzalloc(sizeof(*result), GFP_KERNEL);
545 return ERR_PTR(-ENOMEM);
548 result->defmgmt = -1;
550 nla_for_each_nested(key, keys, rem) {
551 memset(&parse, 0, sizeof(parse));
554 err = nl80211_parse_key_new(key, &parse);
560 if (parse.idx < 0 || parse.idx > 4)
566 result->def = parse.idx;
567 if (!parse.def_uni || !parse.def_multi)
569 } else if (parse.defmgmt)
571 err = cfg80211_validate_key_settings(rdev, &parse.p,
572 parse.idx, false, NULL);
575 result->params[parse.idx].cipher = parse.p.cipher;
576 result->params[parse.idx].key_len = parse.p.key_len;
577 result->params[parse.idx].key = result->data[parse.idx];
578 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
587 static int nl80211_key_allowed(struct wireless_dev *wdev)
589 ASSERT_WDEV_LOCK(wdev);
591 switch (wdev->iftype) {
592 case NL80211_IFTYPE_AP:
593 case NL80211_IFTYPE_AP_VLAN:
594 case NL80211_IFTYPE_P2P_GO:
595 case NL80211_IFTYPE_MESH_POINT:
597 case NL80211_IFTYPE_ADHOC:
598 if (!wdev->current_bss)
601 case NL80211_IFTYPE_STATION:
602 case NL80211_IFTYPE_P2P_CLIENT:
603 if (wdev->sme_state != CFG80211_SME_CONNECTED)
613 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
615 struct nlattr *nl_modes = nla_nest_start(msg, attr);
619 goto nla_put_failure;
624 NLA_PUT_FLAG(msg, i);
629 nla_nest_end(msg, nl_modes);
636 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
639 struct nlattr *nl_combis;
642 nl_combis = nla_nest_start(msg,
643 NL80211_ATTR_INTERFACE_COMBINATIONS);
645 goto nla_put_failure;
647 for (i = 0; i < wiphy->n_iface_combinations; i++) {
648 const struct ieee80211_iface_combination *c;
649 struct nlattr *nl_combi, *nl_limits;
651 c = &wiphy->iface_combinations[i];
653 nl_combi = nla_nest_start(msg, i + 1);
655 goto nla_put_failure;
657 nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
659 goto nla_put_failure;
661 for (j = 0; j < c->n_limits; j++) {
662 struct nlattr *nl_limit;
664 nl_limit = nla_nest_start(msg, j + 1);
666 goto nla_put_failure;
667 NLA_PUT_U32(msg, NL80211_IFACE_LIMIT_MAX,
669 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
671 goto nla_put_failure;
672 nla_nest_end(msg, nl_limit);
675 nla_nest_end(msg, nl_limits);
677 if (c->beacon_int_infra_match)
679 NL80211_IFACE_COMB_STA_AP_BI_MATCH);
680 NLA_PUT_U32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
681 c->num_different_channels);
682 NLA_PUT_U32(msg, NL80211_IFACE_COMB_MAXNUM,
685 nla_nest_end(msg, nl_combi);
688 nla_nest_end(msg, nl_combis);
695 static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
696 struct cfg80211_registered_device *dev)
699 struct nlattr *nl_bands, *nl_band;
700 struct nlattr *nl_freqs, *nl_freq;
701 struct nlattr *nl_rates, *nl_rate;
702 struct nlattr *nl_cmds;
703 enum ieee80211_band band;
704 struct ieee80211_channel *chan;
705 struct ieee80211_rate *rate;
707 const struct ieee80211_txrx_stypes *mgmt_stypes =
708 dev->wiphy.mgmt_stypes;
710 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY);
714 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx);
715 NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy));
717 NLA_PUT_U32(msg, NL80211_ATTR_GENERATION,
718 cfg80211_rdev_list_generation);
720 NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
721 dev->wiphy.retry_short);
722 NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
723 dev->wiphy.retry_long);
724 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
725 dev->wiphy.frag_threshold);
726 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
727 dev->wiphy.rts_threshold);
728 NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
729 dev->wiphy.coverage_class);
730 NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
731 dev->wiphy.max_scan_ssids);
732 NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
733 dev->wiphy.max_sched_scan_ssids);
734 NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
735 dev->wiphy.max_scan_ie_len);
736 NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
737 dev->wiphy.max_sched_scan_ie_len);
738 NLA_PUT_U8(msg, NL80211_ATTR_MAX_MATCH_SETS,
739 dev->wiphy.max_match_sets);
741 if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)
742 NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN);
743 if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH)
744 NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH);
745 if (dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD)
746 NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_AP_UAPSD);
747 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)
748 NLA_PUT_FLAG(msg, NL80211_ATTR_ROAM_SUPPORT);
749 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)
750 NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_SUPPORT);
751 if (dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)
752 NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP);
754 NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES,
755 sizeof(u32) * dev->wiphy.n_cipher_suites,
756 dev->wiphy.cipher_suites);
758 NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
759 dev->wiphy.max_num_pmkids);
761 if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL)
762 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE);
764 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
765 dev->wiphy.available_antennas_tx);
766 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
767 dev->wiphy.available_antennas_rx);
769 if (dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD)
770 NLA_PUT_U32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
771 dev->wiphy.probe_resp_offload);
773 if ((dev->wiphy.available_antennas_tx ||
774 dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) {
775 u32 tx_ant = 0, rx_ant = 0;
777 res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant);
779 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant);
780 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant);
784 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
785 dev->wiphy.interface_modes))
786 goto nla_put_failure;
788 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
790 goto nla_put_failure;
792 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
793 if (!dev->wiphy.bands[band])
796 nl_band = nla_nest_start(msg, band);
798 goto nla_put_failure;
801 if (dev->wiphy.bands[band]->ht_cap.ht_supported) {
802 NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET,
803 sizeof(dev->wiphy.bands[band]->ht_cap.mcs),
804 &dev->wiphy.bands[band]->ht_cap.mcs);
805 NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA,
806 dev->wiphy.bands[band]->ht_cap.cap);
807 NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
808 dev->wiphy.bands[band]->ht_cap.ampdu_factor);
809 NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
810 dev->wiphy.bands[band]->ht_cap.ampdu_density);
813 /* add frequencies */
814 nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
816 goto nla_put_failure;
818 for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) {
819 nl_freq = nla_nest_start(msg, i);
821 goto nla_put_failure;
823 chan = &dev->wiphy.bands[band]->channels[i];
825 if (nl80211_msg_put_channel(msg, chan))
826 goto nla_put_failure;
828 nla_nest_end(msg, nl_freq);
831 nla_nest_end(msg, nl_freqs);
834 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
836 goto nla_put_failure;
838 for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) {
839 nl_rate = nla_nest_start(msg, i);
841 goto nla_put_failure;
843 rate = &dev->wiphy.bands[band]->bitrates[i];
844 NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE,
846 if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
848 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE);
850 nla_nest_end(msg, nl_rate);
853 nla_nest_end(msg, nl_rates);
855 nla_nest_end(msg, nl_band);
857 nla_nest_end(msg, nl_bands);
859 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
861 goto nla_put_failure;
866 if (dev->ops->op) { \
868 NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
872 CMD(add_virtual_intf, NEW_INTERFACE);
873 CMD(change_virtual_intf, SET_INTERFACE);
874 CMD(add_key, NEW_KEY);
875 CMD(add_beacon, NEW_BEACON);
876 CMD(add_station, NEW_STATION);
877 CMD(add_mpath, NEW_MPATH);
878 CMD(update_mesh_config, SET_MESH_CONFIG);
879 CMD(change_bss, SET_BSS);
880 CMD(auth, AUTHENTICATE);
881 CMD(assoc, ASSOCIATE);
882 CMD(deauth, DEAUTHENTICATE);
883 CMD(disassoc, DISASSOCIATE);
884 CMD(join_ibss, JOIN_IBSS);
885 CMD(join_mesh, JOIN_MESH);
886 CMD(set_pmksa, SET_PMKSA);
887 CMD(del_pmksa, DEL_PMKSA);
888 CMD(flush_pmksa, FLUSH_PMKSA);
889 if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
890 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
891 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
893 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
894 if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
896 NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
898 CMD(set_channel, SET_CHANNEL);
899 CMD(set_wds_peer, SET_WDS_PEER);
900 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
901 CMD(tdls_mgmt, TDLS_MGMT);
902 CMD(tdls_oper, TDLS_OPER);
904 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
905 CMD(sched_scan_start, START_SCHED_SCAN);
906 CMD(probe_client, PROBE_CLIENT);
907 CMD(set_noack_map, SET_NOACK_MAP);
908 if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
910 NLA_PUT_U32(msg, i, NL80211_CMD_REGISTER_BEACONS);
913 #ifdef CONFIG_NL80211_TESTMODE
914 CMD(testmode_cmd, TESTMODE);
919 if (dev->ops->connect || dev->ops->auth) {
921 NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT);
924 if (dev->ops->disconnect || dev->ops->deauth) {
926 NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT);
929 nla_nest_end(msg, nl_cmds);
931 if (dev->ops->remain_on_channel &&
932 dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
933 NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
934 dev->wiphy.max_remain_on_channel_duration);
936 if (dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)
937 NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
941 struct nlattr *nl_ftypes, *nl_ifs;
942 enum nl80211_iftype ift;
944 nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
946 goto nla_put_failure;
948 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
949 nl_ftypes = nla_nest_start(msg, ift);
951 goto nla_put_failure;
953 stypes = mgmt_stypes[ift].tx;
956 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE,
957 (i << 4) | IEEE80211_FTYPE_MGMT);
961 nla_nest_end(msg, nl_ftypes);
964 nla_nest_end(msg, nl_ifs);
966 nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
968 goto nla_put_failure;
970 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
971 nl_ftypes = nla_nest_start(msg, ift);
973 goto nla_put_failure;
975 stypes = mgmt_stypes[ift].rx;
978 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE,
979 (i << 4) | IEEE80211_FTYPE_MGMT);
983 nla_nest_end(msg, nl_ftypes);
985 nla_nest_end(msg, nl_ifs);
988 if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) {
989 struct nlattr *nl_wowlan;
991 nl_wowlan = nla_nest_start(msg,
992 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
994 goto nla_put_failure;
996 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY)
997 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
998 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT)
999 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
1000 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT)
1001 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
1002 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY)
1003 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED);
1004 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)
1005 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
1006 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)
1007 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
1008 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)
1009 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
1010 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE)
1011 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
1012 if (dev->wiphy.wowlan.n_patterns) {
1013 struct nl80211_wowlan_pattern_support pat = {
1014 .max_patterns = dev->wiphy.wowlan.n_patterns,
1016 dev->wiphy.wowlan.pattern_min_len,
1018 dev->wiphy.wowlan.pattern_max_len,
1020 NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1024 nla_nest_end(msg, nl_wowlan);
1027 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1028 dev->wiphy.software_iftypes))
1029 goto nla_put_failure;
1031 if (nl80211_put_iface_combinations(&dev->wiphy, msg))
1032 goto nla_put_failure;
1034 if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME)
1035 NLA_PUT_U32(msg, NL80211_ATTR_DEVICE_AP_SME,
1036 dev->wiphy.ap_sme_capa);
1038 NLA_PUT_U32(msg, NL80211_ATTR_FEATURE_FLAGS, dev->wiphy.features);
1040 if (dev->wiphy.ht_capa_mod_mask)
1041 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1042 sizeof(*dev->wiphy.ht_capa_mod_mask),
1043 dev->wiphy.ht_capa_mod_mask);
1045 return genlmsg_end(msg, hdr);
1048 genlmsg_cancel(msg, hdr);
1052 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1055 int start = cb->args[0];
1056 struct cfg80211_registered_device *dev;
1058 mutex_lock(&cfg80211_mutex);
1059 list_for_each_entry(dev, &cfg80211_rdev_list, list) {
1060 if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
1064 if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
1065 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1071 mutex_unlock(&cfg80211_mutex);
1078 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
1080 struct sk_buff *msg;
1081 struct cfg80211_registered_device *dev = info->user_ptr[0];
1083 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1087 if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) {
1092 return genlmsg_reply(msg, info);
1095 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
1096 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
1097 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
1098 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
1099 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
1100 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
1103 static int parse_txq_params(struct nlattr *tb[],
1104 struct ieee80211_txq_params *txq_params)
1106 if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] ||
1107 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
1108 !tb[NL80211_TXQ_ATTR_AIFS])
1111 txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]);
1112 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
1113 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
1114 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
1115 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
1120 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
1123 * You can only set the channel explicitly for AP, mesh
1124 * and WDS type interfaces; all others have their channel
1125 * managed via their respective "establish a connection"
1126 * command (connect, join, ...)
1128 * Monitors are special as they are normally slaved to
1129 * whatever else is going on, so they behave as though
1130 * you tried setting the wiphy channel itself.
1133 wdev->iftype == NL80211_IFTYPE_AP ||
1134 wdev->iftype == NL80211_IFTYPE_WDS ||
1135 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
1136 wdev->iftype == NL80211_IFTYPE_MONITOR ||
1137 wdev->iftype == NL80211_IFTYPE_P2P_GO;
1140 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
1141 struct wireless_dev *wdev,
1142 struct genl_info *info)
1144 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
1148 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
1151 if (!nl80211_can_set_dev_channel(wdev))
1154 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1155 channel_type = nla_get_u32(info->attrs[
1156 NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1157 if (channel_type != NL80211_CHAN_NO_HT &&
1158 channel_type != NL80211_CHAN_HT20 &&
1159 channel_type != NL80211_CHAN_HT40PLUS &&
1160 channel_type != NL80211_CHAN_HT40MINUS)
1164 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
1166 mutex_lock(&rdev->devlist_mtx);
1169 result = cfg80211_set_freq(rdev, wdev, freq, channel_type);
1172 result = cfg80211_set_freq(rdev, NULL, freq, channel_type);
1174 mutex_unlock(&rdev->devlist_mtx);
1179 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
1181 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1182 struct net_device *netdev = info->user_ptr[1];
1184 return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
1187 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
1189 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1190 struct net_device *dev = info->user_ptr[1];
1191 struct wireless_dev *wdev = dev->ieee80211_ptr;
1194 if (!info->attrs[NL80211_ATTR_MAC])
1197 if (netif_running(dev))
1200 if (!rdev->ops->set_wds_peer)
1203 if (wdev->iftype != NL80211_IFTYPE_WDS)
1206 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1207 return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid);
1211 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
1213 struct cfg80211_registered_device *rdev;
1214 struct net_device *netdev = NULL;
1215 struct wireless_dev *wdev;
1216 int result = 0, rem_txq_params = 0;
1217 struct nlattr *nl_txq_params;
1219 u8 retry_short = 0, retry_long = 0;
1220 u32 frag_threshold = 0, rts_threshold = 0;
1221 u8 coverage_class = 0;
1224 * Try to find the wiphy and netdev. Normally this
1225 * function shouldn't need the netdev, but this is
1226 * done for backward compatibility -- previously
1227 * setting the channel was done per wiphy, but now
1228 * it is per netdev. Previous userland like hostapd
1229 * also passed a netdev to set_wiphy, so that it is
1230 * possible to let that go to the right netdev!
1232 mutex_lock(&cfg80211_mutex);
1234 if (info->attrs[NL80211_ATTR_IFINDEX]) {
1235 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
1237 netdev = dev_get_by_index(genl_info_net(info), ifindex);
1238 if (netdev && netdev->ieee80211_ptr) {
1239 rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
1240 mutex_lock(&rdev->mtx);
1246 rdev = __cfg80211_rdev_from_info(info);
1248 mutex_unlock(&cfg80211_mutex);
1249 return PTR_ERR(rdev);
1255 mutex_lock(&rdev->mtx);
1256 } else if (netif_running(netdev) &&
1257 nl80211_can_set_dev_channel(netdev->ieee80211_ptr))
1258 wdev = netdev->ieee80211_ptr;
1263 * end workaround code, by now the rdev is available
1264 * and locked, and wdev may or may not be NULL.
1267 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
1268 result = cfg80211_dev_rename(
1269 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
1271 mutex_unlock(&cfg80211_mutex);
1276 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
1277 struct ieee80211_txq_params txq_params;
1278 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
1280 if (!rdev->ops->set_txq_params) {
1281 result = -EOPNOTSUPP;
1290 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
1291 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
1296 nla_for_each_nested(nl_txq_params,
1297 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
1299 nla_parse(tb, NL80211_TXQ_ATTR_MAX,
1300 nla_data(nl_txq_params),
1301 nla_len(nl_txq_params),
1303 result = parse_txq_params(tb, &txq_params);
1307 result = rdev->ops->set_txq_params(&rdev->wiphy,
1315 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
1316 result = __nl80211_set_channel(rdev, wdev, info);
1321 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
1322 enum nl80211_tx_power_setting type;
1325 if (!rdev->ops->set_tx_power) {
1326 result = -EOPNOTSUPP;
1330 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
1331 type = nla_get_u32(info->attrs[idx]);
1333 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
1334 (type != NL80211_TX_POWER_AUTOMATIC)) {
1339 if (type != NL80211_TX_POWER_AUTOMATIC) {
1340 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
1341 mbm = nla_get_u32(info->attrs[idx]);
1344 result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm);
1349 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
1350 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
1352 if ((!rdev->wiphy.available_antennas_tx &&
1353 !rdev->wiphy.available_antennas_rx) ||
1354 !rdev->ops->set_antenna) {
1355 result = -EOPNOTSUPP;
1359 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
1360 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
1362 /* reject antenna configurations which don't match the
1363 * available antenna masks, except for the "all" mask */
1364 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
1365 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
1370 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
1371 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
1373 result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant);
1380 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
1381 retry_short = nla_get_u8(
1382 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
1383 if (retry_short == 0) {
1387 changed |= WIPHY_PARAM_RETRY_SHORT;
1390 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
1391 retry_long = nla_get_u8(
1392 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
1393 if (retry_long == 0) {
1397 changed |= WIPHY_PARAM_RETRY_LONG;
1400 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
1401 frag_threshold = nla_get_u32(
1402 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
1403 if (frag_threshold < 256) {
1407 if (frag_threshold != (u32) -1) {
1409 * Fragments (apart from the last one) are required to
1410 * have even length. Make the fragmentation code
1411 * simpler by stripping LSB should someone try to use
1412 * odd threshold value.
1414 frag_threshold &= ~0x1;
1416 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
1419 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
1420 rts_threshold = nla_get_u32(
1421 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
1422 changed |= WIPHY_PARAM_RTS_THRESHOLD;
1425 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
1426 coverage_class = nla_get_u8(
1427 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
1428 changed |= WIPHY_PARAM_COVERAGE_CLASS;
1432 u8 old_retry_short, old_retry_long;
1433 u32 old_frag_threshold, old_rts_threshold;
1434 u8 old_coverage_class;
1436 if (!rdev->ops->set_wiphy_params) {
1437 result = -EOPNOTSUPP;
1441 old_retry_short = rdev->wiphy.retry_short;
1442 old_retry_long = rdev->wiphy.retry_long;
1443 old_frag_threshold = rdev->wiphy.frag_threshold;
1444 old_rts_threshold = rdev->wiphy.rts_threshold;
1445 old_coverage_class = rdev->wiphy.coverage_class;
1447 if (changed & WIPHY_PARAM_RETRY_SHORT)
1448 rdev->wiphy.retry_short = retry_short;
1449 if (changed & WIPHY_PARAM_RETRY_LONG)
1450 rdev->wiphy.retry_long = retry_long;
1451 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
1452 rdev->wiphy.frag_threshold = frag_threshold;
1453 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
1454 rdev->wiphy.rts_threshold = rts_threshold;
1455 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
1456 rdev->wiphy.coverage_class = coverage_class;
1458 result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed);
1460 rdev->wiphy.retry_short = old_retry_short;
1461 rdev->wiphy.retry_long = old_retry_long;
1462 rdev->wiphy.frag_threshold = old_frag_threshold;
1463 rdev->wiphy.rts_threshold = old_rts_threshold;
1464 rdev->wiphy.coverage_class = old_coverage_class;
1469 mutex_unlock(&rdev->mtx);
1476 static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
1477 struct cfg80211_registered_device *rdev,
1478 struct net_device *dev)
1482 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE);
1486 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
1487 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
1488 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name);
1489 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype);
1491 NLA_PUT_U32(msg, NL80211_ATTR_GENERATION,
1492 rdev->devlist_generation ^
1493 (cfg80211_rdev_list_generation << 2));
1495 return genlmsg_end(msg, hdr);
1498 genlmsg_cancel(msg, hdr);
1502 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
1506 int wp_start = cb->args[0];
1507 int if_start = cb->args[1];
1508 struct cfg80211_registered_device *rdev;
1509 struct wireless_dev *wdev;
1511 mutex_lock(&cfg80211_mutex);
1512 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
1513 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
1515 if (wp_idx < wp_start) {
1521 mutex_lock(&rdev->devlist_mtx);
1522 list_for_each_entry(wdev, &rdev->netdev_list, list) {
1523 if (if_idx < if_start) {
1527 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,
1528 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1529 rdev, wdev->netdev) < 0) {
1530 mutex_unlock(&rdev->devlist_mtx);
1535 mutex_unlock(&rdev->devlist_mtx);
1540 mutex_unlock(&cfg80211_mutex);
1542 cb->args[0] = wp_idx;
1543 cb->args[1] = if_idx;
1548 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
1550 struct sk_buff *msg;
1551 struct cfg80211_registered_device *dev = info->user_ptr[0];
1552 struct net_device *netdev = info->user_ptr[1];
1554 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1558 if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
1564 return genlmsg_reply(msg, info);
1567 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
1568 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
1569 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
1570 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
1571 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
1572 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
1575 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
1577 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
1585 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
1586 nla, mntr_flags_policy))
1589 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
1591 *mntrflags |= (1<<flag);
1596 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
1597 struct net_device *netdev, u8 use_4addr,
1598 enum nl80211_iftype iftype)
1601 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
1607 case NL80211_IFTYPE_AP_VLAN:
1608 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
1611 case NL80211_IFTYPE_STATION:
1612 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
1622 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
1624 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1625 struct vif_params params;
1627 enum nl80211_iftype otype, ntype;
1628 struct net_device *dev = info->user_ptr[1];
1629 u32 _flags, *flags = NULL;
1630 bool change = false;
1632 memset(¶ms, 0, sizeof(params));
1634 otype = ntype = dev->ieee80211_ptr->iftype;
1636 if (info->attrs[NL80211_ATTR_IFTYPE]) {
1637 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
1640 if (ntype > NL80211_IFTYPE_MAX)
1644 if (info->attrs[NL80211_ATTR_MESH_ID]) {
1645 struct wireless_dev *wdev = dev->ieee80211_ptr;
1647 if (ntype != NL80211_IFTYPE_MESH_POINT)
1649 if (netif_running(dev))
1653 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
1654 IEEE80211_MAX_MESH_ID_LEN);
1655 wdev->mesh_id_up_len =
1656 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
1657 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
1658 wdev->mesh_id_up_len);
1662 if (info->attrs[NL80211_ATTR_4ADDR]) {
1663 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
1665 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
1669 params.use_4addr = -1;
1672 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
1673 if (ntype != NL80211_IFTYPE_MONITOR)
1675 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
1685 err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
1689 if (!err && params.use_4addr != -1)
1690 dev->ieee80211_ptr->use_4addr = params.use_4addr;
1695 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
1697 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1698 struct vif_params params;
1699 struct net_device *dev;
1701 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
1704 memset(¶ms, 0, sizeof(params));
1706 if (!info->attrs[NL80211_ATTR_IFNAME])
1709 if (info->attrs[NL80211_ATTR_IFTYPE]) {
1710 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
1711 if (type > NL80211_IFTYPE_MAX)
1715 if (!rdev->ops->add_virtual_intf ||
1716 !(rdev->wiphy.interface_modes & (1 << type)))
1719 if (info->attrs[NL80211_ATTR_4ADDR]) {
1720 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
1721 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
1726 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
1727 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
1729 dev = rdev->ops->add_virtual_intf(&rdev->wiphy,
1730 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
1731 type, err ? NULL : &flags, ¶ms);
1733 return PTR_ERR(dev);
1735 if (type == NL80211_IFTYPE_MESH_POINT &&
1736 info->attrs[NL80211_ATTR_MESH_ID]) {
1737 struct wireless_dev *wdev = dev->ieee80211_ptr;
1740 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
1741 IEEE80211_MAX_MESH_ID_LEN);
1742 wdev->mesh_id_up_len =
1743 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
1744 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
1745 wdev->mesh_id_up_len);
1752 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
1754 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1755 struct net_device *dev = info->user_ptr[1];
1757 if (!rdev->ops->del_virtual_intf)
1760 return rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
1763 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
1765 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1766 struct net_device *dev = info->user_ptr[1];
1769 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
1772 if (!rdev->ops->set_noack_map)
1775 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
1777 return rdev->ops->set_noack_map(&rdev->wiphy, dev, noack_map);
1780 struct get_key_cookie {
1781 struct sk_buff *msg;
1786 static void get_key_callback(void *c, struct key_params *params)
1789 struct get_key_cookie *cookie = c;
1792 NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA,
1793 params->key_len, params->key);
1796 NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ,
1797 params->seq_len, params->seq);
1800 NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
1803 key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
1805 goto nla_put_failure;
1808 NLA_PUT(cookie->msg, NL80211_KEY_DATA,
1809 params->key_len, params->key);
1812 NLA_PUT(cookie->msg, NL80211_KEY_SEQ,
1813 params->seq_len, params->seq);
1816 NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER,
1819 NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx);
1821 nla_nest_end(cookie->msg, key);
1828 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
1830 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1832 struct net_device *dev = info->user_ptr[1];
1834 const u8 *mac_addr = NULL;
1836 struct get_key_cookie cookie = {
1840 struct sk_buff *msg;
1842 if (info->attrs[NL80211_ATTR_KEY_IDX])
1843 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1848 if (info->attrs[NL80211_ATTR_MAC])
1849 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1851 pairwise = !!mac_addr;
1852 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
1853 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1854 if (kt >= NUM_NL80211_KEYTYPES)
1856 if (kt != NL80211_KEYTYPE_GROUP &&
1857 kt != NL80211_KEYTYPE_PAIRWISE)
1859 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
1862 if (!rdev->ops->get_key)
1865 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1869 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
1870 NL80211_CMD_NEW_KEY);
1872 return PTR_ERR(hdr);
1875 cookie.idx = key_idx;
1877 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
1878 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
1880 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
1882 if (pairwise && mac_addr &&
1883 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
1886 err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise,
1887 mac_addr, &cookie, get_key_callback);
1893 goto nla_put_failure;
1895 genlmsg_end(msg, hdr);
1896 return genlmsg_reply(msg, info);
1905 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
1907 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1908 struct key_parse key;
1910 struct net_device *dev = info->user_ptr[1];
1912 err = nl80211_parse_key(info, &key);
1919 /* only support setting default key */
1920 if (!key.def && !key.defmgmt)
1923 wdev_lock(dev->ieee80211_ptr);
1926 if (!rdev->ops->set_default_key) {
1931 err = nl80211_key_allowed(dev->ieee80211_ptr);
1935 err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx,
1936 key.def_uni, key.def_multi);
1941 #ifdef CONFIG_CFG80211_WEXT
1942 dev->ieee80211_ptr->wext.default_key = key.idx;
1945 if (key.def_uni || !key.def_multi) {
1950 if (!rdev->ops->set_default_mgmt_key) {
1955 err = nl80211_key_allowed(dev->ieee80211_ptr);
1959 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
1964 #ifdef CONFIG_CFG80211_WEXT
1965 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
1970 wdev_unlock(dev->ieee80211_ptr);
1975 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
1977 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1979 struct net_device *dev = info->user_ptr[1];
1980 struct key_parse key;
1981 const u8 *mac_addr = NULL;
1983 err = nl80211_parse_key(info, &key);
1990 if (info->attrs[NL80211_ATTR_MAC])
1991 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1993 if (key.type == -1) {
1995 key.type = NL80211_KEYTYPE_PAIRWISE;
1997 key.type = NL80211_KEYTYPE_GROUP;
2001 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2002 key.type != NL80211_KEYTYPE_GROUP)
2005 if (!rdev->ops->add_key)
2008 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
2009 key.type == NL80211_KEYTYPE_PAIRWISE,
2013 wdev_lock(dev->ieee80211_ptr);
2014 err = nl80211_key_allowed(dev->ieee80211_ptr);
2016 err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx,
2017 key.type == NL80211_KEYTYPE_PAIRWISE,
2019 wdev_unlock(dev->ieee80211_ptr);
2024 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
2026 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2028 struct net_device *dev = info->user_ptr[1];
2029 u8 *mac_addr = NULL;
2030 struct key_parse key;
2032 err = nl80211_parse_key(info, &key);
2036 if (info->attrs[NL80211_ATTR_MAC])
2037 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2039 if (key.type == -1) {
2041 key.type = NL80211_KEYTYPE_PAIRWISE;
2043 key.type = NL80211_KEYTYPE_GROUP;
2047 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2048 key.type != NL80211_KEYTYPE_GROUP)
2051 if (!rdev->ops->del_key)
2054 wdev_lock(dev->ieee80211_ptr);
2055 err = nl80211_key_allowed(dev->ieee80211_ptr);
2057 if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr &&
2058 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2062 err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx,
2063 key.type == NL80211_KEYTYPE_PAIRWISE,
2066 #ifdef CONFIG_CFG80211_WEXT
2068 if (key.idx == dev->ieee80211_ptr->wext.default_key)
2069 dev->ieee80211_ptr->wext.default_key = -1;
2070 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
2071 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
2074 wdev_unlock(dev->ieee80211_ptr);
2079 static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
2081 int (*call)(struct wiphy *wiphy, struct net_device *dev,
2082 struct beacon_parameters *info);
2083 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2084 struct net_device *dev = info->user_ptr[1];
2085 struct wireless_dev *wdev = dev->ieee80211_ptr;
2086 struct beacon_parameters params;
2087 int haveinfo = 0, err;
2089 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) ||
2090 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) ||
2091 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
2092 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]))
2095 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2096 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2099 memset(¶ms, 0, sizeof(params));
2101 switch (info->genlhdr->cmd) {
2102 case NL80211_CMD_NEW_BEACON:
2103 /* these are required for NEW_BEACON */
2104 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
2105 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
2106 !info->attrs[NL80211_ATTR_BEACON_HEAD])
2110 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
2111 params.dtim_period =
2112 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
2114 err = cfg80211_validate_beacon_int(rdev, params.interval);
2119 * In theory, some of these attributes could be required for
2120 * NEW_BEACON, but since they were not used when the command was
2121 * originally added, keep them optional for old user space
2122 * programs to work with drivers that do not need the additional
2125 if (info->attrs[NL80211_ATTR_SSID]) {
2126 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
2128 nla_len(info->attrs[NL80211_ATTR_SSID]);
2129 if (params.ssid_len == 0 ||
2130 params.ssid_len > IEEE80211_MAX_SSID_LEN)
2134 if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
2135 params.hidden_ssid = nla_get_u32(
2136 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
2137 if (params.hidden_ssid !=
2138 NL80211_HIDDEN_SSID_NOT_IN_USE &&
2139 params.hidden_ssid !=
2140 NL80211_HIDDEN_SSID_ZERO_LEN &&
2141 params.hidden_ssid !=
2142 NL80211_HIDDEN_SSID_ZERO_CONTENTS)
2146 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
2148 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
2149 params.auth_type = nla_get_u32(
2150 info->attrs[NL80211_ATTR_AUTH_TYPE]);
2151 if (!nl80211_valid_auth_type(params.auth_type))
2154 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
2156 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
2157 NL80211_MAX_NR_CIPHER_SUITES);
2161 call = rdev->ops->add_beacon;
2163 case NL80211_CMD_SET_BEACON:
2164 call = rdev->ops->set_beacon;
2174 if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
2175 params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
2177 nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]);
2181 if (info->attrs[NL80211_ATTR_BEACON_TAIL]) {
2182 params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]);
2184 nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]);
2191 if (info->attrs[NL80211_ATTR_IE]) {
2192 params.beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]);
2193 params.beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2196 if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) {
2197 params.proberesp_ies =
2198 nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
2199 params.proberesp_ies_len =
2200 nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
2203 if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
2204 params.assocresp_ies =
2205 nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
2206 params.assocresp_ies_len =
2207 nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
2210 if (info->attrs[NL80211_ATTR_PROBE_RESP]) {
2212 nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]);
2213 params.probe_resp_len =
2214 nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]);
2217 err = call(&rdev->wiphy, dev, ¶ms);
2218 if (!err && params.interval)
2219 wdev->beacon_interval = params.interval;
2223 static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
2225 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2226 struct net_device *dev = info->user_ptr[1];
2227 struct wireless_dev *wdev = dev->ieee80211_ptr;
2230 if (!rdev->ops->del_beacon)
2233 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2234 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2237 err = rdev->ops->del_beacon(&rdev->wiphy, dev);
2239 wdev->beacon_interval = 0;
2243 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
2244 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
2245 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
2246 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
2247 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
2248 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
2249 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
2252 static int parse_station_flags(struct genl_info *info,
2253 struct station_parameters *params)
2255 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
2260 * Try parsing the new attribute first so userspace
2261 * can specify both for older kernels.
2263 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
2265 struct nl80211_sta_flag_update *sta_flags;
2267 sta_flags = nla_data(nla);
2268 params->sta_flags_mask = sta_flags->mask;
2269 params->sta_flags_set = sta_flags->set;
2270 if ((params->sta_flags_mask |
2271 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
2276 /* if present, parse the old attribute */
2278 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
2282 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
2283 nla, sta_flags_policy))
2286 params->sta_flags_mask = (1 << __NL80211_STA_FLAG_AFTER_LAST) - 1;
2287 params->sta_flags_mask &= ~1;
2289 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++)
2291 params->sta_flags_set |= (1<<flag);
2296 static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
2299 struct nlattr *rate;
2302 rate = nla_nest_start(msg, attr);
2304 goto nla_put_failure;
2306 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
2307 bitrate = cfg80211_calculate_bitrate(info);
2309 NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
2311 if (info->flags & RATE_INFO_FLAGS_MCS)
2312 NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs);
2313 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH)
2314 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH);
2315 if (info->flags & RATE_INFO_FLAGS_SHORT_GI)
2316 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI);
2318 nla_nest_end(msg, rate);
2325 static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
2326 int flags, struct net_device *dev,
2327 const u8 *mac_addr, struct station_info *sinfo)
2330 struct nlattr *sinfoattr, *bss_param;
2332 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
2336 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
2337 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
2339 NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation);
2341 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
2343 goto nla_put_failure;
2344 if (sinfo->filled & STATION_INFO_CONNECTED_TIME)
2345 NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME,
2346 sinfo->connected_time);
2347 if (sinfo->filled & STATION_INFO_INACTIVE_TIME)
2348 NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME,
2349 sinfo->inactive_time);
2350 if (sinfo->filled & STATION_INFO_RX_BYTES)
2351 NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES,
2353 if (sinfo->filled & STATION_INFO_TX_BYTES)
2354 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES,
2356 if (sinfo->filled & STATION_INFO_LLID)
2357 NLA_PUT_U16(msg, NL80211_STA_INFO_LLID,
2359 if (sinfo->filled & STATION_INFO_PLID)
2360 NLA_PUT_U16(msg, NL80211_STA_INFO_PLID,
2362 if (sinfo->filled & STATION_INFO_PLINK_STATE)
2363 NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE,
2364 sinfo->plink_state);
2365 if (sinfo->filled & STATION_INFO_SIGNAL)
2366 NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL,
2368 if (sinfo->filled & STATION_INFO_SIGNAL_AVG)
2369 NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG,
2371 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
2372 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
2373 NL80211_STA_INFO_TX_BITRATE))
2374 goto nla_put_failure;
2376 if (sinfo->filled & STATION_INFO_RX_BITRATE) {
2377 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
2378 NL80211_STA_INFO_RX_BITRATE))
2379 goto nla_put_failure;
2381 if (sinfo->filled & STATION_INFO_RX_PACKETS)
2382 NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS,
2384 if (sinfo->filled & STATION_INFO_TX_PACKETS)
2385 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS,
2387 if (sinfo->filled & STATION_INFO_TX_RETRIES)
2388 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES,
2390 if (sinfo->filled & STATION_INFO_TX_FAILED)
2391 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED,
2393 if (sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT)
2394 NLA_PUT_U32(msg, NL80211_STA_INFO_BEACON_LOSS,
2395 sinfo->beacon_loss_count);
2396 if (sinfo->filled & STATION_INFO_BSS_PARAM) {
2397 bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
2399 goto nla_put_failure;
2401 if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT)
2402 NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT);
2403 if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE)
2404 NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE);
2405 if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME)
2407 NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME);
2408 NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
2409 sinfo->bss_param.dtim_period);
2410 NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
2411 sinfo->bss_param.beacon_interval);
2413 nla_nest_end(msg, bss_param);
2415 if (sinfo->filled & STATION_INFO_STA_FLAGS)
2416 NLA_PUT(msg, NL80211_STA_INFO_STA_FLAGS,
2417 sizeof(struct nl80211_sta_flag_update),
2419 nla_nest_end(msg, sinfoattr);
2421 if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES)
2422 NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
2423 sinfo->assoc_req_ies);
2425 return genlmsg_end(msg, hdr);
2428 genlmsg_cancel(msg, hdr);
2432 static int nl80211_dump_station(struct sk_buff *skb,
2433 struct netlink_callback *cb)
2435 struct station_info sinfo;
2436 struct cfg80211_registered_device *dev;
2437 struct net_device *netdev;
2438 u8 mac_addr[ETH_ALEN];
2439 int sta_idx = cb->args[1];
2442 err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
2446 if (!dev->ops->dump_station) {
2452 memset(&sinfo, 0, sizeof(sinfo));
2453 err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx,
2460 if (nl80211_send_station(skb,
2461 NETLINK_CB(cb->skb).pid,
2462 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2472 cb->args[1] = sta_idx;
2475 nl80211_finish_netdev_dump(dev);
2480 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
2482 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2483 struct net_device *dev = info->user_ptr[1];
2484 struct station_info sinfo;
2485 struct sk_buff *msg;
2486 u8 *mac_addr = NULL;
2489 memset(&sinfo, 0, sizeof(sinfo));
2491 if (!info->attrs[NL80211_ATTR_MAC])
2494 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2496 if (!rdev->ops->get_station)
2499 err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo);
2503 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2507 if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0,
2508 dev, mac_addr, &sinfo) < 0) {
2513 return genlmsg_reply(msg, info);
2517 * Get vlan interface making sure it is running and on the right wiphy.
2519 static struct net_device *get_vlan(struct genl_info *info,
2520 struct cfg80211_registered_device *rdev)
2522 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
2523 struct net_device *v;
2529 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
2531 return ERR_PTR(-ENODEV);
2533 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
2538 if (!netif_running(v)) {
2546 return ERR_PTR(ret);
2549 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
2551 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2553 struct net_device *dev = info->user_ptr[1];
2554 struct station_parameters params;
2555 u8 *mac_addr = NULL;
2557 memset(¶ms, 0, sizeof(params));
2559 params.listen_interval = -1;
2560 params.plink_state = -1;
2562 if (info->attrs[NL80211_ATTR_STA_AID])
2565 if (!info->attrs[NL80211_ATTR_MAC])
2568 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2570 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
2571 params.supported_rates =
2572 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
2573 params.supported_rates_len =
2574 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
2577 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
2578 params.listen_interval =
2579 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
2581 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
2583 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
2585 if (!rdev->ops->change_station)
2588 if (parse_station_flags(info, ¶ms))
2591 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2592 params.plink_action =
2593 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2595 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE])
2596 params.plink_state =
2597 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
2599 switch (dev->ieee80211_ptr->iftype) {
2600 case NL80211_IFTYPE_AP:
2601 case NL80211_IFTYPE_AP_VLAN:
2602 case NL80211_IFTYPE_P2P_GO:
2603 /* disallow mesh-specific things */
2604 if (params.plink_action)
2607 /* TDLS can't be set, ... */
2608 if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2611 * ... but don't bother the driver with it. This works around
2612 * a hostapd/wpa_supplicant issue -- it always includes the
2613 * TLDS_PEER flag in the mask even for AP mode.
2615 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
2617 /* accept only the listed bits */
2618 if (params.sta_flags_mask &
2619 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
2620 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
2621 BIT(NL80211_STA_FLAG_WME) |
2622 BIT(NL80211_STA_FLAG_MFP)))
2625 /* must be last in here for error handling */
2626 params.vlan = get_vlan(info, rdev);
2627 if (IS_ERR(params.vlan))
2628 return PTR_ERR(params.vlan);
2630 case NL80211_IFTYPE_P2P_CLIENT:
2631 case NL80211_IFTYPE_STATION:
2632 /* disallow things sta doesn't support */
2633 if (params.plink_action)
2637 if (params.listen_interval >= 0)
2640 * Don't allow userspace to change the TDLS_PEER flag,
2641 * but silently ignore attempts to change it since we
2642 * don't have state here to verify that it doesn't try
2643 * to change the flag.
2645 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
2647 /* reject any changes other than AUTHORIZED */
2648 if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
2651 case NL80211_IFTYPE_MESH_POINT:
2652 /* disallow things mesh doesn't support */
2657 if (params.listen_interval >= 0)
2660 * No special handling for TDLS here -- the userspace
2661 * mesh code doesn't have this bug.
2663 if (params.sta_flags_mask &
2664 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2665 BIT(NL80211_STA_FLAG_MFP) |
2666 BIT(NL80211_STA_FLAG_AUTHORIZED)))
2673 /* be aware of params.vlan when changing code here */
2675 err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms);
2678 dev_put(params.vlan);
2683 static struct nla_policy
2684 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
2685 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
2686 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
2689 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
2691 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2693 struct net_device *dev = info->user_ptr[1];
2694 struct station_parameters params;
2695 u8 *mac_addr = NULL;
2697 memset(¶ms, 0, sizeof(params));
2699 if (!info->attrs[NL80211_ATTR_MAC])
2702 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
2705 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
2708 if (!info->attrs[NL80211_ATTR_STA_AID])
2711 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2712 params.supported_rates =
2713 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
2714 params.supported_rates_len =
2715 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
2716 params.listen_interval =
2717 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
2719 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
2720 if (!params.aid || params.aid > IEEE80211_MAX_AID)
2723 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
2725 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
2727 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2728 params.plink_action =
2729 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2731 if (!rdev->ops->add_station)
2734 if (parse_station_flags(info, ¶ms))
2737 switch (dev->ieee80211_ptr->iftype) {
2738 case NL80211_IFTYPE_AP:
2739 case NL80211_IFTYPE_AP_VLAN:
2740 case NL80211_IFTYPE_P2P_GO:
2741 /* parse WME attributes if sta is WME capable */
2742 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2743 (params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)) &&
2744 info->attrs[NL80211_ATTR_STA_WME]) {
2745 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
2748 nla = info->attrs[NL80211_ATTR_STA_WME];
2749 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
2750 nl80211_sta_wme_policy);
2754 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
2755 params.uapsd_queues =
2756 nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]);
2757 if (params.uapsd_queues &
2758 ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
2761 if (tb[NL80211_STA_WME_MAX_SP])
2763 nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
2766 ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
2769 params.sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
2771 /* TDLS peers cannot be added */
2772 if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2774 /* but don't bother the driver with it */
2775 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
2777 /* must be last in here for error handling */
2778 params.vlan = get_vlan(info, rdev);
2779 if (IS_ERR(params.vlan))
2780 return PTR_ERR(params.vlan);
2782 case NL80211_IFTYPE_MESH_POINT:
2783 /* TDLS peers cannot be added */
2784 if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2787 case NL80211_IFTYPE_STATION:
2788 /* Only TDLS peers can be added */
2789 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2791 /* Can only add if TDLS ... */
2792 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
2794 /* ... with external setup is supported */
2795 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
2802 /* be aware of params.vlan when changing code here */
2804 err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms);
2807 dev_put(params.vlan);
2811 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
2813 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2814 struct net_device *dev = info->user_ptr[1];
2815 u8 *mac_addr = NULL;
2817 if (info->attrs[NL80211_ATTR_MAC])
2818 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2820 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2821 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
2822 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
2823 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2826 if (!rdev->ops->del_station)
2829 return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr);
2832 static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
2833 int flags, struct net_device *dev,
2834 u8 *dst, u8 *next_hop,
2835 struct mpath_info *pinfo)
2838 struct nlattr *pinfoattr;
2840 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
2844 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
2845 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
2846 NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop);
2848 NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation);
2850 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
2852 goto nla_put_failure;
2853 if (pinfo->filled & MPATH_INFO_FRAME_QLEN)
2854 NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
2856 if (pinfo->filled & MPATH_INFO_SN)
2857 NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN,
2859 if (pinfo->filled & MPATH_INFO_METRIC)
2860 NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC,
2862 if (pinfo->filled & MPATH_INFO_EXPTIME)
2863 NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME,
2865 if (pinfo->filled & MPATH_INFO_FLAGS)
2866 NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS,
2868 if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT)
2869 NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
2870 pinfo->discovery_timeout);
2871 if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES)
2872 NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
2873 pinfo->discovery_retries);
2875 nla_nest_end(msg, pinfoattr);
2877 return genlmsg_end(msg, hdr);
2880 genlmsg_cancel(msg, hdr);
2884 static int nl80211_dump_mpath(struct sk_buff *skb,
2885 struct netlink_callback *cb)
2887 struct mpath_info pinfo;
2888 struct cfg80211_registered_device *dev;
2889 struct net_device *netdev;
2891 u8 next_hop[ETH_ALEN];
2892 int path_idx = cb->args[1];
2895 err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
2899 if (!dev->ops->dump_mpath) {
2904 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
2910 err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx,
2911 dst, next_hop, &pinfo);
2917 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid,
2918 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2919 netdev, dst, next_hop,
2928 cb->args[1] = path_idx;
2931 nl80211_finish_netdev_dump(dev);
2935 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
2937 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2939 struct net_device *dev = info->user_ptr[1];
2940 struct mpath_info pinfo;
2941 struct sk_buff *msg;
2943 u8 next_hop[ETH_ALEN];
2945 memset(&pinfo, 0, sizeof(pinfo));
2947 if (!info->attrs[NL80211_ATTR_MAC])
2950 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
2952 if (!rdev->ops->get_mpath)
2955 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
2958 err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo);
2962 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2966 if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0,
2967 dev, dst, next_hop, &pinfo) < 0) {
2972 return genlmsg_reply(msg, info);
2975 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
2977 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2978 struct net_device *dev = info->user_ptr[1];
2980 u8 *next_hop = NULL;
2982 if (!info->attrs[NL80211_ATTR_MAC])
2985 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
2988 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
2989 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
2991 if (!rdev->ops->change_mpath)
2994 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
2997 return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop);
3000 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
3002 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3003 struct net_device *dev = info->user_ptr[1];
3005 u8 *next_hop = NULL;
3007 if (!info->attrs[NL80211_ATTR_MAC])
3010 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
3013 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
3014 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
3016 if (!rdev->ops->add_mpath)
3019 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
3022 return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop);
3025 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
3027 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3028 struct net_device *dev = info->user_ptr[1];
3031 if (info->attrs[NL80211_ATTR_MAC])
3032 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
3034 if (!rdev->ops->del_mpath)
3037 return rdev->ops->del_mpath(&rdev->wiphy, dev, dst);
3040 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
3042 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3043 struct net_device *dev = info->user_ptr[1];
3044 struct bss_parameters params;
3046 memset(¶ms, 0, sizeof(params));
3047 /* default to not changing parameters */
3048 params.use_cts_prot = -1;
3049 params.use_short_preamble = -1;
3050 params.use_short_slot_time = -1;
3051 params.ap_isolate = -1;
3052 params.ht_opmode = -1;
3054 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
3055 params.use_cts_prot =
3056 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
3057 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
3058 params.use_short_preamble =
3059 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
3060 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
3061 params.use_short_slot_time =
3062 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
3063 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
3064 params.basic_rates =
3065 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
3066 params.basic_rates_len =
3067 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
3069 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
3070 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
3071 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
3073 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
3075 if (!rdev->ops->change_bss)
3078 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3079 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3082 return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms);
3085 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
3086 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
3087 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
3088 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
3089 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
3090 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
3091 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
3094 static int parse_reg_rule(struct nlattr *tb[],
3095 struct ieee80211_reg_rule *reg_rule)
3097 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
3098 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
3100 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
3102 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
3104 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
3106 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
3108 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
3111 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
3113 freq_range->start_freq_khz =
3114 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
3115 freq_range->end_freq_khz =
3116 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
3117 freq_range->max_bandwidth_khz =
3118 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
3120 power_rule->max_eirp =
3121 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
3123 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
3124 power_rule->max_antenna_gain =
3125 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
3130 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
3136 * You should only get this when cfg80211 hasn't yet initialized
3137 * completely when built-in to the kernel right between the time
3138 * window between nl80211_init() and regulatory_init(), if that is
3141 mutex_lock(&cfg80211_mutex);
3142 if (unlikely(!cfg80211_regdomain)) {
3143 mutex_unlock(&cfg80211_mutex);
3144 return -EINPROGRESS;
3146 mutex_unlock(&cfg80211_mutex);
3148 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
3151 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
3153 r = regulatory_hint_user(data);
3158 static int nl80211_get_mesh_config(struct sk_buff *skb,
3159 struct genl_info *info)
3161 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3162 struct net_device *dev = info->user_ptr[1];
3163 struct wireless_dev *wdev = dev->ieee80211_ptr;
3164 struct mesh_config cur_params;
3167 struct nlattr *pinfoattr;
3168 struct sk_buff *msg;
3170 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
3173 if (!rdev->ops->get_mesh_config)
3177 /* If not connected, get default parameters */
3178 if (!wdev->mesh_id_len)
3179 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
3181 err = rdev->ops->get_mesh_config(&rdev->wiphy, dev,
3188 /* Draw up a netlink message to send back */
3189 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3192 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
3193 NL80211_CMD_GET_MESH_CONFIG);
3196 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
3198 goto nla_put_failure;
3199 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
3200 NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
3201 cur_params.dot11MeshRetryTimeout);
3202 NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
3203 cur_params.dot11MeshConfirmTimeout);
3204 NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
3205 cur_params.dot11MeshHoldingTimeout);
3206 NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
3207 cur_params.dot11MeshMaxPeerLinks);
3208 NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES,
3209 cur_params.dot11MeshMaxRetries);
3210 NLA_PUT_U8(msg, NL80211_MESHCONF_TTL,
3211 cur_params.dot11MeshTTL);
3212 NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL,
3213 cur_params.element_ttl);
3214 NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
3215 cur_params.auto_open_plinks);
3216 NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
3217 cur_params.dot11MeshHWMPmaxPREQretries);
3218 NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
3219 cur_params.path_refresh_time);
3220 NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
3221 cur_params.min_discovery_timeout);
3222 NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
3223 cur_params.dot11MeshHWMPactivePathTimeout);
3224 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
3225 cur_params.dot11MeshHWMPpreqMinInterval);
3226 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
3227 cur_params.dot11MeshHWMPperrMinInterval);
3228 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
3229 cur_params.dot11MeshHWMPnetDiameterTraversalTime);
3230 NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
3231 cur_params.dot11MeshHWMPRootMode);
3232 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
3233 cur_params.dot11MeshHWMPRannInterval);
3234 NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
3235 cur_params.dot11MeshGateAnnouncementProtocol);
3236 nla_nest_end(msg, pinfoattr);
3237 genlmsg_end(msg, hdr);
3238 return genlmsg_reply(msg, info);
3241 genlmsg_cancel(msg, hdr);
3247 static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
3248 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
3249 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
3250 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
3251 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
3252 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
3253 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
3254 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
3255 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
3257 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
3258 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
3259 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
3260 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
3261 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
3262 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
3263 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
3264 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
3265 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
3266 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
3269 static const struct nla_policy
3270 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
3271 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
3272 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
3273 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
3274 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
3275 .len = IEEE80211_MAX_DATA_LEN },
3276 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
3279 static int nl80211_parse_mesh_config(struct genl_info *info,
3280 struct mesh_config *cfg,
3283 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
3286 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
3288 if (table[attr_num]) {\
3289 cfg->param = nla_fn(table[attr_num]); \
3290 mask |= (1 << (attr_num - 1)); \
3295 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
3297 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
3298 info->attrs[NL80211_ATTR_MESH_CONFIG],
3299 nl80211_meshconf_params_policy))
3302 /* This makes sure that there aren't more than 32 mesh config
3303 * parameters (otherwise our bitfield scheme would not work.) */
3304 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
3306 /* Fill in the params struct */
3307 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout,
3308 mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
3309 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout,
3310 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16);
3311 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout,
3312 mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16);
3313 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks,
3314 mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16);
3315 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries,
3316 mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
3317 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL,
3318 mask, NL80211_MESHCONF_TTL, nla_get_u8);
3319 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl,
3320 mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
3321 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks,
3322 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8);
3323 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries,
3324 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
3326 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time,
3327 mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32);
3328 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout,
3329 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
3331 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
3332 mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
3334 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
3335 mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
3337 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
3338 mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
3340 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
3341 dot11MeshHWMPnetDiameterTraversalTime,
3342 mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
3344 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
3345 dot11MeshHWMPRootMode, mask,
3346 NL80211_MESHCONF_HWMP_ROOTMODE,
3348 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
3349 dot11MeshHWMPRannInterval, mask,
3350 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
3352 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
3353 dot11MeshGateAnnouncementProtocol, mask,
3354 NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
3361 #undef FILL_IN_MESH_PARAM_IF_SET
3364 static int nl80211_parse_mesh_setup(struct genl_info *info,
3365 struct mesh_setup *setup)
3367 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
3369 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
3371 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
3372 info->attrs[NL80211_ATTR_MESH_SETUP],
3373 nl80211_mesh_setup_params_policy))
3376 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
3377 setup->path_sel_proto =
3378 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
3379 IEEE80211_PATH_PROTOCOL_VENDOR :
3380 IEEE80211_PATH_PROTOCOL_HWMP;
3382 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
3383 setup->path_metric =
3384 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
3385 IEEE80211_PATH_METRIC_VENDOR :
3386 IEEE80211_PATH_METRIC_AIRTIME;
3389 if (tb[NL80211_MESH_SETUP_IE]) {
3390 struct nlattr *ieattr =
3391 tb[NL80211_MESH_SETUP_IE];
3392 if (!is_valid_ie_attr(ieattr))
3394 setup->ie = nla_data(ieattr);
3395 setup->ie_len = nla_len(ieattr);
3397 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
3398 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
3403 static int nl80211_update_mesh_config(struct sk_buff *skb,
3404 struct genl_info *info)
3406 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3407 struct net_device *dev = info->user_ptr[1];
3408 struct wireless_dev *wdev = dev->ieee80211_ptr;
3409 struct mesh_config cfg;
3413 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
3416 if (!rdev->ops->update_mesh_config)
3419 err = nl80211_parse_mesh_config(info, &cfg, &mask);
3424 if (!wdev->mesh_id_len)
3428 err = rdev->ops->update_mesh_config(&rdev->wiphy, dev,
3436 static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
3438 struct sk_buff *msg;
3440 struct nlattr *nl_reg_rules;
3444 mutex_lock(&cfg80211_mutex);
3446 if (!cfg80211_regdomain)
3449 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3455 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
3456 NL80211_CMD_GET_REG);
3460 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2,
3461 cfg80211_regdomain->alpha2);
3462 if (cfg80211_regdomain->dfs_region)
3463 NLA_PUT_U8(msg, NL80211_ATTR_DFS_REGION,
3464 cfg80211_regdomain->dfs_region);
3466 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
3468 goto nla_put_failure;
3470 for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) {
3471 struct nlattr *nl_reg_rule;
3472 const struct ieee80211_reg_rule *reg_rule;
3473 const struct ieee80211_freq_range *freq_range;
3474 const struct ieee80211_power_rule *power_rule;
3476 reg_rule = &cfg80211_regdomain->reg_rules[i];
3477 freq_range = ®_rule->freq_range;
3478 power_rule = ®_rule->power_rule;
3480 nl_reg_rule = nla_nest_start(msg, i);
3482 goto nla_put_failure;
3484 NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS,
3486 NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START,
3487 freq_range->start_freq_khz);
3488 NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END,
3489 freq_range->end_freq_khz);
3490 NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
3491 freq_range->max_bandwidth_khz);
3492 NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
3493 power_rule->max_antenna_gain);
3494 NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
3495 power_rule->max_eirp);
3497 nla_nest_end(msg, nl_reg_rule);
3500 nla_nest_end(msg, nl_reg_rules);
3502 genlmsg_end(msg, hdr);
3503 err = genlmsg_reply(msg, info);
3507 genlmsg_cancel(msg, hdr);
3512 mutex_unlock(&cfg80211_mutex);
3516 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
3518 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
3519 struct nlattr *nl_reg_rule;
3520 char *alpha2 = NULL;
3521 int rem_reg_rules = 0, r = 0;
3522 u32 num_rules = 0, rule_idx = 0, size_of_regd;
3524 struct ieee80211_regdomain *rd = NULL;
3526 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
3529 if (!info->attrs[NL80211_ATTR_REG_RULES])
3532 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
3534 if (info->attrs[NL80211_ATTR_DFS_REGION])
3535 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
3537 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
3540 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
3544 mutex_lock(&cfg80211_mutex);
3546 if (!reg_is_valid_request(alpha2)) {
3551 size_of_regd = sizeof(struct ieee80211_regdomain) +
3552 (num_rules * sizeof(struct ieee80211_reg_rule));
3554 rd = kzalloc(size_of_regd, GFP_KERNEL);
3560 rd->n_reg_rules = num_rules;
3561 rd->alpha2[0] = alpha2[0];
3562 rd->alpha2[1] = alpha2[1];
3565 * Disable DFS master mode if the DFS region was
3566 * not supported or known on this kernel.
3568 if (reg_supported_dfs_region(dfs_region))
3569 rd->dfs_region = dfs_region;
3571 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
3573 nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
3574 nla_data(nl_reg_rule), nla_len(nl_reg_rule),
3576 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
3582 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
3588 BUG_ON(rule_idx != num_rules);
3592 mutex_unlock(&cfg80211_mutex);
3597 mutex_unlock(&cfg80211_mutex);
3602 static int validate_scan_freqs(struct nlattr *freqs)
3604 struct nlattr *attr1, *attr2;
3605 int n_channels = 0, tmp1, tmp2;
3607 nla_for_each_nested(attr1, freqs, tmp1) {
3610 * Some hardware has a limited channel list for
3611 * scanning, and it is pretty much nonsensical
3612 * to scan for a channel twice, so disallow that
3613 * and don't require drivers to check that the
3614 * channel list they get isn't longer than what
3615 * they can scan, as long as they can scan all
3616 * the channels they registered at once.
3618 nla_for_each_nested(attr2, freqs, tmp2)
3619 if (attr1 != attr2 &&
3620 nla_get_u32(attr1) == nla_get_u32(attr2))
3627 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
3629 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3630 struct net_device *dev = info->user_ptr[1];
3631 struct cfg80211_scan_request *request;
3632 struct nlattr *attr;
3633 struct wiphy *wiphy;
3634 int err, tmp, n_ssids = 0, n_channels, i;
3637 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
3640 wiphy = &rdev->wiphy;
3642 if (!rdev->ops->scan)
3648 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
3649 n_channels = validate_scan_freqs(
3650 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
3654 enum ieee80211_band band;
3657 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
3658 if (wiphy->bands[band])
3659 n_channels += wiphy->bands[band]->n_channels;
3662 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
3663 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
3666 if (n_ssids > wiphy->max_scan_ssids)
3669 if (info->attrs[NL80211_ATTR_IE])
3670 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
3674 if (ie_len > wiphy->max_scan_ie_len)
3677 request = kzalloc(sizeof(*request)
3678 + sizeof(*request->ssids) * n_ssids
3679 + sizeof(*request->channels) * n_channels
3680 + ie_len, GFP_KERNEL);
3685 request->ssids = (void *)&request->channels[n_channels];
3686 request->n_ssids = n_ssids;
3689 request->ie = (void *)(request->ssids + n_ssids);
3691 request->ie = (void *)(request->channels + n_channels);
3695 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
3696 /* user specified, bail out if channel not found */
3697 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
3698 struct ieee80211_channel *chan;
3700 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
3707 /* ignore disabled channels */
3708 if (chan->flags & IEEE80211_CHAN_DISABLED)
3711 request->channels[i] = chan;
3715 enum ieee80211_band band;
3718 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
3720 if (!wiphy->bands[band])
3722 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
3723 struct ieee80211_channel *chan;
3725 chan = &wiphy->bands[band]->channels[j];
3727 if (chan->flags & IEEE80211_CHAN_DISABLED)
3730 request->channels[i] = chan;
3741 request->n_channels = i;
3744 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
3745 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
3746 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
3750 request->ssids[i].ssid_len = nla_len(attr);
3751 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
3756 if (info->attrs[NL80211_ATTR_IE]) {
3757 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
3758 memcpy((void *)request->ie,
3759 nla_data(info->attrs[NL80211_ATTR_IE]),
3763 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3764 if (wiphy->bands[i])
3766 (1 << wiphy->bands[i]->n_bitrates) - 1;
3768 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
3769 nla_for_each_nested(attr,
3770 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
3772 enum ieee80211_band band = nla_type(attr);
3774 if (band < 0 || band >= IEEE80211_NUM_BANDS) {
3778 err = ieee80211_get_ratemask(wiphy->bands[band],
3781 &request->rates[band]);
3788 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
3791 request->wiphy = &rdev->wiphy;
3793 rdev->scan_req = request;
3794 err = rdev->ops->scan(&rdev->wiphy, dev, request);
3797 nl80211_send_scan_start(rdev, dev);
3801 rdev->scan_req = NULL;
3808 static int nl80211_start_sched_scan(struct sk_buff *skb,
3809 struct genl_info *info)
3811 struct cfg80211_sched_scan_request *request;
3812 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3813 struct net_device *dev = info->user_ptr[1];
3814 struct nlattr *attr;
3815 struct wiphy *wiphy;
3816 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
3818 enum ieee80211_band band;
3820 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
3822 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
3823 !rdev->ops->sched_scan_start)
3826 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
3829 if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
3832 interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
3836 wiphy = &rdev->wiphy;
3838 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
3839 n_channels = validate_scan_freqs(
3840 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
3846 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
3847 if (wiphy->bands[band])
3848 n_channels += wiphy->bands[band]->n_channels;
3851 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
3852 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
3856 if (n_ssids > wiphy->max_sched_scan_ssids)
3859 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH])
3860 nla_for_each_nested(attr,
3861 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
3865 if (n_match_sets > wiphy->max_match_sets)
3868 if (info->attrs[NL80211_ATTR_IE])
3869 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
3873 if (ie_len > wiphy->max_sched_scan_ie_len)
3876 mutex_lock(&rdev->sched_scan_mtx);
3878 if (rdev->sched_scan_req) {
3883 request = kzalloc(sizeof(*request)
3884 + sizeof(*request->ssids) * n_ssids
3885 + sizeof(*request->match_sets) * n_match_sets
3886 + sizeof(*request->channels) * n_channels
3887 + ie_len, GFP_KERNEL);
3894 request->ssids = (void *)&request->channels[n_channels];
3895 request->n_ssids = n_ssids;
3898 request->ie = (void *)(request->ssids + n_ssids);
3900 request->ie = (void *)(request->channels + n_channels);
3905 request->match_sets = (void *)(request->ie + ie_len);
3906 else if (request->ssids)
3907 request->match_sets =
3908 (void *)(request->ssids + n_ssids);
3910 request->match_sets =
3911 (void *)(request->channels + n_channels);
3913 request->n_match_sets = n_match_sets;
3916 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
3917 /* user specified, bail out if channel not found */
3918 nla_for_each_nested(attr,
3919 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
3921 struct ieee80211_channel *chan;
3923 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
3930 /* ignore disabled channels */
3931 if (chan->flags & IEEE80211_CHAN_DISABLED)
3934 request->channels[i] = chan;
3939 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
3941 if (!wiphy->bands[band])
3943 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
3944 struct ieee80211_channel *chan;
3946 chan = &wiphy->bands[band]->channels[j];
3948 if (chan->flags & IEEE80211_CHAN_DISABLED)
3951 request->channels[i] = chan;
3962 request->n_channels = i;
3965 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
3966 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
3968 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
3972 request->ssids[i].ssid_len = nla_len(attr);
3973 memcpy(request->ssids[i].ssid, nla_data(attr),
3980 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
3981 nla_for_each_nested(attr,
3982 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
3984 struct nlattr *ssid;
3986 nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
3987 nla_data(attr), nla_len(attr),
3988 nl80211_match_policy);
3989 ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID];
3991 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
3995 memcpy(request->match_sets[i].ssid.ssid,
3996 nla_data(ssid), nla_len(ssid));
3997 request->match_sets[i].ssid.ssid_len =
4004 if (info->attrs[NL80211_ATTR_IE]) {
4005 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4006 memcpy((void *)request->ie,
4007 nla_data(info->attrs[NL80211_ATTR_IE]),
4012 request->wiphy = &rdev->wiphy;
4013 request->interval = interval;
4015 err = rdev->ops->sched_scan_start(&rdev->wiphy, dev, request);
4017 rdev->sched_scan_req = request;
4018 nl80211_send_sched_scan(rdev, dev,
4019 NL80211_CMD_START_SCHED_SCAN);
4026 mutex_unlock(&rdev->sched_scan_mtx);
4030 static int nl80211_stop_sched_scan(struct sk_buff *skb,
4031 struct genl_info *info)
4033 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4036 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
4037 !rdev->ops->sched_scan_stop)
4040 mutex_lock(&rdev->sched_scan_mtx);
4041 err = __cfg80211_stop_sched_scan(rdev, false);
4042 mutex_unlock(&rdev->sched_scan_mtx);
4047 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
4049 struct cfg80211_registered_device *rdev,
4050 struct wireless_dev *wdev,
4051 struct cfg80211_internal_bss *intbss)
4053 struct cfg80211_bss *res = &intbss->pub;
4058 ASSERT_WDEV_LOCK(wdev);
4060 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags,
4061 NL80211_CMD_NEW_SCAN_RESULTS);
4065 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
4067 NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation);
4068 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex);
4070 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
4072 goto nla_put_failure;
4073 if (!is_zero_ether_addr(res->bssid))
4074 NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid);
4075 if (res->information_elements && res->len_information_elements)
4076 NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS,
4077 res->len_information_elements,
4078 res->information_elements);
4079 if (res->beacon_ies && res->len_beacon_ies &&
4080 res->beacon_ies != res->information_elements)
4081 NLA_PUT(msg, NL80211_BSS_BEACON_IES,
4082 res->len_beacon_ies, res->beacon_ies);
4084 NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf);
4085 if (res->beacon_interval)
4086 NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval);
4087 NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability);
4088 NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq);
4089 NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO,
4090 jiffies_to_msecs(jiffies - intbss->ts));
4092 switch (rdev->wiphy.signal_type) {
4093 case CFG80211_SIGNAL_TYPE_MBM:
4094 NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal);
4096 case CFG80211_SIGNAL_TYPE_UNSPEC:
4097 NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal);
4103 switch (wdev->iftype) {
4104 case NL80211_IFTYPE_P2P_CLIENT:
4105 case NL80211_IFTYPE_STATION:
4106 if (intbss == wdev->current_bss)
4107 NLA_PUT_U32(msg, NL80211_BSS_STATUS,
4108 NL80211_BSS_STATUS_ASSOCIATED);
4109 else for (i = 0; i < MAX_AUTH_BSSES; i++) {
4110 if (intbss != wdev->auth_bsses[i])
4112 NLA_PUT_U32(msg, NL80211_BSS_STATUS,
4113 NL80211_BSS_STATUS_AUTHENTICATED);
4117 case NL80211_IFTYPE_ADHOC:
4118 if (intbss == wdev->current_bss)
4119 NLA_PUT_U32(msg, NL80211_BSS_STATUS,
4120 NL80211_BSS_STATUS_IBSS_JOINED);
4126 nla_nest_end(msg, bss);
4128 return genlmsg_end(msg, hdr);
4131 genlmsg_cancel(msg, hdr);
4135 static int nl80211_dump_scan(struct sk_buff *skb,
4136 struct netlink_callback *cb)
4138 struct cfg80211_registered_device *rdev;
4139 struct net_device *dev;
4140 struct cfg80211_internal_bss *scan;
4141 struct wireless_dev *wdev;
4142 int start = cb->args[1], idx = 0;
4145 err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev);
4149 wdev = dev->ieee80211_ptr;
4152 spin_lock_bh(&rdev->bss_lock);
4153 cfg80211_bss_expire(rdev);
4155 cb->seq = rdev->bss_generation;
4157 list_for_each_entry(scan, &rdev->bss_list, list) {
4160 if (nl80211_send_bss(skb, cb,
4161 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4162 rdev, wdev, scan) < 0) {
4168 spin_unlock_bh(&rdev->bss_lock);
4172 nl80211_finish_netdev_dump(rdev);
4177 static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
4178 int flags, struct net_device *dev,
4179 struct survey_info *survey)
4182 struct nlattr *infoattr;
4184 hdr = nl80211hdr_put(msg, pid, seq, flags,
4185 NL80211_CMD_NEW_SURVEY_RESULTS);
4189 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
4191 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
4193 goto nla_put_failure;
4195 NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY,
4196 survey->channel->center_freq);
4197 if (survey->filled & SURVEY_INFO_NOISE_DBM)
4198 NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE,
4200 if (survey->filled & SURVEY_INFO_IN_USE)
4201 NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE);
4202 if (survey->filled & SURVEY_INFO_CHANNEL_TIME)
4203 NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
4204 survey->channel_time);
4205 if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
4206 NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
4207 survey->channel_time_busy);
4208 if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
4209 NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
4210 survey->channel_time_ext_busy);
4211 if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX)
4212 NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
4213 survey->channel_time_rx);
4214 if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX)
4215 NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
4216 survey->channel_time_tx);
4218 nla_nest_end(msg, infoattr);
4220 return genlmsg_end(msg, hdr);
4223 genlmsg_cancel(msg, hdr);
4227 static int nl80211_dump_survey(struct sk_buff *skb,
4228 struct netlink_callback *cb)
4230 struct survey_info survey;
4231 struct cfg80211_registered_device *dev;
4232 struct net_device *netdev;
4233 int survey_idx = cb->args[1];
4236 res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
4240 if (!dev->ops->dump_survey) {
4246 struct ieee80211_channel *chan;
4248 res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx,
4255 /* Survey without a channel doesn't make sense */
4256 if (!survey.channel) {
4261 chan = ieee80211_get_channel(&dev->wiphy,
4262 survey.channel->center_freq);
4263 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
4268 if (nl80211_send_survey(skb,
4269 NETLINK_CB(cb->skb).pid,
4270 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4278 cb->args[1] = survey_idx;
4281 nl80211_finish_netdev_dump(dev);
4285 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type)
4287 return auth_type <= NL80211_AUTHTYPE_MAX;
4290 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
4292 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
4293 NL80211_WPA_VERSION_2));
4296 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
4298 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4299 struct net_device *dev = info->user_ptr[1];
4300 struct ieee80211_channel *chan;
4301 const u8 *bssid, *ssid, *ie = NULL;
4302 int err, ssid_len, ie_len = 0;
4303 enum nl80211_auth_type auth_type;
4304 struct key_parse key;
4305 bool local_state_change;
4307 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4310 if (!info->attrs[NL80211_ATTR_MAC])
4313 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
4316 if (!info->attrs[NL80211_ATTR_SSID])
4319 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
4322 err = nl80211_parse_key(info, &key);
4327 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
4329 if (!key.p.key || !key.p.key_len)
4331 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
4332 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
4333 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
4334 key.p.key_len != WLAN_KEY_LEN_WEP104))
4346 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
4347 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
4356 if (!rdev->ops->auth)
4359 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4360 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4363 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4364 chan = ieee80211_get_channel(&rdev->wiphy,
4365 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
4366 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
4369 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4370 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
4372 if (info->attrs[NL80211_ATTR_IE]) {
4373 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4374 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4377 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
4378 if (!nl80211_valid_auth_type(auth_type))
4381 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
4383 return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
4384 ssid, ssid_len, ie, ie_len,
4385 key.p.key, key.p.key_len, key.idx,
4386 local_state_change);
4389 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
4390 struct genl_info *info,
4391 struct cfg80211_crypto_settings *settings,
4394 memset(settings, 0, sizeof(*settings));
4396 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
4398 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
4400 proto = nla_get_u16(
4401 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
4402 settings->control_port_ethertype = cpu_to_be16(proto);
4403 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
4406 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
4407 settings->control_port_no_encrypt = true;
4409 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
4411 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
4415 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
4416 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
4417 settings->n_ciphers_pairwise = len / sizeof(u32);
4419 if (len % sizeof(u32))
4422 if (settings->n_ciphers_pairwise > cipher_limit)
4425 memcpy(settings->ciphers_pairwise, data, len);
4427 for (i = 0; i < settings->n_ciphers_pairwise; i++)
4428 if (!cfg80211_supported_cipher_suite(
4430 settings->ciphers_pairwise[i]))
4434 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
4435 settings->cipher_group =
4436 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
4437 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
4438 settings->cipher_group))
4442 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
4443 settings->wpa_versions =
4444 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
4445 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
4449 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
4453 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
4454 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
4455 settings->n_akm_suites = len / sizeof(u32);
4457 if (len % sizeof(u32))
4460 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
4463 memcpy(settings->akm_suites, data, len);
4469 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
4471 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4472 struct net_device *dev = info->user_ptr[1];
4473 struct cfg80211_crypto_settings crypto;
4474 struct ieee80211_channel *chan;
4475 const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL;
4476 int err, ssid_len, ie_len = 0;
4477 bool use_mfp = false;
4479 struct ieee80211_ht_cap *ht_capa = NULL;
4480 struct ieee80211_ht_cap *ht_capa_mask = NULL;
4482 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4485 if (!info->attrs[NL80211_ATTR_MAC] ||
4486 !info->attrs[NL80211_ATTR_SSID] ||
4487 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
4490 if (!rdev->ops->assoc)
4493 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4494 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4497 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4499 chan = ieee80211_get_channel(&rdev->wiphy,
4500 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
4501 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
4504 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4505 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
4507 if (info->attrs[NL80211_ATTR_IE]) {
4508 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4509 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4512 if (info->attrs[NL80211_ATTR_USE_MFP]) {
4513 enum nl80211_mfp mfp =
4514 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
4515 if (mfp == NL80211_MFP_REQUIRED)
4517 else if (mfp != NL80211_MFP_NO)
4521 if (info->attrs[NL80211_ATTR_PREV_BSSID])
4522 prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
4524 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
4525 flags |= ASSOC_REQ_DISABLE_HT;
4527 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
4529 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]);
4531 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
4534 ht_capa = nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4537 err = nl80211_crypto_settings(rdev, info, &crypto, 1);
4539 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid,
4540 ssid, ssid_len, ie, ie_len, use_mfp,
4541 &crypto, flags, ht_capa,
4547 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
4549 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4550 struct net_device *dev = info->user_ptr[1];
4551 const u8 *ie = NULL, *bssid;
4554 bool local_state_change;
4556 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4559 if (!info->attrs[NL80211_ATTR_MAC])
4562 if (!info->attrs[NL80211_ATTR_REASON_CODE])
4565 if (!rdev->ops->deauth)
4568 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4569 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4572 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4574 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
4575 if (reason_code == 0) {
4576 /* Reason Code 0 is reserved */
4580 if (info->attrs[NL80211_ATTR_IE]) {
4581 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4582 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4585 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
4587 return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
4588 local_state_change);
4591 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
4593 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4594 struct net_device *dev = info->user_ptr[1];
4595 const u8 *ie = NULL, *bssid;
4598 bool local_state_change;
4600 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4603 if (!info->attrs[NL80211_ATTR_MAC])
4606 if (!info->attrs[NL80211_ATTR_REASON_CODE])
4609 if (!rdev->ops->disassoc)
4612 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4613 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4616 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4618 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
4619 if (reason_code == 0) {
4620 /* Reason Code 0 is reserved */
4624 if (info->attrs[NL80211_ATTR_IE]) {
4625 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4626 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4629 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
4631 return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
4632 local_state_change);
4636 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
4637 int mcast_rate[IEEE80211_NUM_BANDS],
4640 struct wiphy *wiphy = &rdev->wiphy;
4644 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
4645 struct ieee80211_supported_band *sband;
4647 sband = wiphy->bands[band];
4651 for (i = 0; i < sband->n_bitrates; i++) {
4652 if (sband->bitrates[i].bitrate == rateval) {
4653 mcast_rate[band] = i + 1;
4663 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
4665 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4666 struct net_device *dev = info->user_ptr[1];
4667 struct cfg80211_ibss_params ibss;
4668 struct wiphy *wiphy;
4669 struct cfg80211_cached_keys *connkeys = NULL;
4672 memset(&ibss, 0, sizeof(ibss));
4674 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4677 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
4678 !info->attrs[NL80211_ATTR_SSID] ||
4679 !nla_len(info->attrs[NL80211_ATTR_SSID]))
4682 ibss.beacon_interval = 100;
4684 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
4685 ibss.beacon_interval =
4686 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4687 if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
4691 if (!rdev->ops->join_ibss)
4694 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
4697 wiphy = &rdev->wiphy;
4699 if (info->attrs[NL80211_ATTR_MAC]) {
4700 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4702 if (!is_valid_ether_addr(ibss.bssid))
4705 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4706 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
4708 if (info->attrs[NL80211_ATTR_IE]) {
4709 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4710 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4713 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
4714 enum nl80211_channel_type channel_type;
4716 channel_type = nla_get_u32(
4717 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
4718 if (channel_type != NL80211_CHAN_NO_HT &&
4719 channel_type != NL80211_CHAN_HT20 &&
4720 channel_type != NL80211_CHAN_HT40MINUS &&
4721 channel_type != NL80211_CHAN_HT40PLUS)
4724 if (channel_type != NL80211_CHAN_NO_HT &&
4725 !(wiphy->features & NL80211_FEATURE_HT_IBSS))
4728 ibss.channel_type = channel_type;
4730 ibss.channel_type = NL80211_CHAN_NO_HT;
4733 ibss.channel = rdev_freq_to_chan(rdev,
4734 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]),
4736 if (!ibss.channel ||
4737 ibss.channel->flags & IEEE80211_CHAN_NO_IBSS ||
4738 ibss.channel->flags & IEEE80211_CHAN_DISABLED)
4741 /* Both channels should be able to initiate communication */
4742 if ((ibss.channel_type == NL80211_CHAN_HT40PLUS ||
4743 ibss.channel_type == NL80211_CHAN_HT40MINUS) &&
4744 !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel,
4748 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
4749 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4751 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
4753 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4755 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4756 struct ieee80211_supported_band *sband =
4757 wiphy->bands[ibss.channel->band];
4760 err = ieee80211_get_ratemask(sband, rates, n_rates,
4766 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
4767 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
4768 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
4771 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
4772 connkeys = nl80211_parse_connkeys(rdev,
4773 info->attrs[NL80211_ATTR_KEYS]);
4774 if (IS_ERR(connkeys))
4775 return PTR_ERR(connkeys);
4778 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
4784 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
4786 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4787 struct net_device *dev = info->user_ptr[1];
4789 if (!rdev->ops->leave_ibss)
4792 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
4795 return cfg80211_leave_ibss(rdev, dev, false);
4798 #ifdef CONFIG_NL80211_TESTMODE
4799 static struct genl_multicast_group nl80211_testmode_mcgrp = {
4803 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
4805 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4808 if (!info->attrs[NL80211_ATTR_TESTDATA])
4812 if (rdev->ops->testmode_cmd) {
4813 rdev->testmode_info = info;
4814 err = rdev->ops->testmode_cmd(&rdev->wiphy,
4815 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
4816 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
4817 rdev->testmode_info = NULL;
4823 static int nl80211_testmode_dump(struct sk_buff *skb,
4824 struct netlink_callback *cb)
4826 struct cfg80211_registered_device *rdev;
4834 * 0 is a valid index, but not valid for args[0],
4835 * so we need to offset by 1.
4837 phy_idx = cb->args[0] - 1;
4839 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
4840 nl80211_fam.attrbuf, nl80211_fam.maxattr,
4844 if (nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) {
4845 phy_idx = nla_get_u32(
4846 nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]);
4848 struct net_device *netdev;
4850 err = get_rdev_dev_by_ifindex(sock_net(skb->sk),
4851 nl80211_fam.attrbuf,
4856 phy_idx = rdev->wiphy_idx;
4857 cfg80211_unlock_rdev(rdev);
4859 if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
4861 (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
4865 data = nla_data((void *)cb->args[1]);
4866 data_len = nla_len((void *)cb->args[1]);
4869 mutex_lock(&cfg80211_mutex);
4870 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
4872 mutex_unlock(&cfg80211_mutex);
4875 cfg80211_lock_rdev(rdev);
4876 mutex_unlock(&cfg80211_mutex);
4878 if (!rdev->ops->testmode_dump) {
4884 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid,
4885 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4886 NL80211_CMD_TESTMODE);
4887 struct nlattr *tmdata;
4889 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx) < 0) {
4890 genlmsg_cancel(skb, hdr);
4894 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
4896 genlmsg_cancel(skb, hdr);
4899 err = rdev->ops->testmode_dump(&rdev->wiphy, skb, cb,
4901 nla_nest_end(skb, tmdata);
4903 if (err == -ENOBUFS || err == -ENOENT) {
4904 genlmsg_cancel(skb, hdr);
4907 genlmsg_cancel(skb, hdr);
4911 genlmsg_end(skb, hdr);
4916 cb->args[0] = phy_idx + 1;
4918 cfg80211_unlock_rdev(rdev);
4922 static struct sk_buff *
4923 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
4924 int approxlen, u32 pid, u32 seq, gfp_t gfp)
4926 struct sk_buff *skb;
4928 struct nlattr *data;
4930 skb = nlmsg_new(approxlen + 100, gfp);
4934 hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE);
4940 NLA_PUT_U32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
4941 data = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
4943 ((void **)skb->cb)[0] = rdev;
4944 ((void **)skb->cb)[1] = hdr;
4945 ((void **)skb->cb)[2] = data;
4954 struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
4957 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
4959 if (WARN_ON(!rdev->testmode_info))
4962 return __cfg80211_testmode_alloc_skb(rdev, approxlen,
4963 rdev->testmode_info->snd_pid,
4964 rdev->testmode_info->snd_seq,
4967 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb);
4969 int cfg80211_testmode_reply(struct sk_buff *skb)
4971 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
4972 void *hdr = ((void **)skb->cb)[1];
4973 struct nlattr *data = ((void **)skb->cb)[2];
4975 if (WARN_ON(!rdev->testmode_info)) {
4980 nla_nest_end(skb, data);
4981 genlmsg_end(skb, hdr);
4982 return genlmsg_reply(skb, rdev->testmode_info);
4984 EXPORT_SYMBOL(cfg80211_testmode_reply);
4986 struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy,
4987 int approxlen, gfp_t gfp)
4989 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
4991 return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp);
4993 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb);
4995 void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
4997 void *hdr = ((void **)skb->cb)[1];
4998 struct nlattr *data = ((void **)skb->cb)[2];
5000 nla_nest_end(skb, data);
5001 genlmsg_end(skb, hdr);
5002 genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp);
5004 EXPORT_SYMBOL(cfg80211_testmode_event);
5007 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
5009 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5010 struct net_device *dev = info->user_ptr[1];
5011 struct cfg80211_connect_params connect;
5012 struct wiphy *wiphy;
5013 struct cfg80211_cached_keys *connkeys = NULL;
5016 memset(&connect, 0, sizeof(connect));
5018 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5021 if (!info->attrs[NL80211_ATTR_SSID] ||
5022 !nla_len(info->attrs[NL80211_ATTR_SSID]))
5025 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5027 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
5028 if (!nl80211_valid_auth_type(connect.auth_type))
5031 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5033 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
5035 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
5036 NL80211_MAX_NR_CIPHER_SUITES);
5040 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5041 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5044 wiphy = &rdev->wiphy;
5046 if (info->attrs[NL80211_ATTR_MAC])
5047 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5048 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5049 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
5051 if (info->attrs[NL80211_ATTR_IE]) {
5052 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
5053 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5056 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5058 ieee80211_get_channel(wiphy,
5059 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
5060 if (!connect.channel ||
5061 connect.channel->flags & IEEE80211_CHAN_DISABLED)
5065 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
5066 connkeys = nl80211_parse_connkeys(rdev,
5067 info->attrs[NL80211_ATTR_KEYS]);
5068 if (IS_ERR(connkeys))
5069 return PTR_ERR(connkeys);
5072 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
5073 connect.flags |= ASSOC_REQ_DISABLE_HT;
5075 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
5076 memcpy(&connect.ht_capa_mask,
5077 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
5078 sizeof(connect.ht_capa_mask));
5080 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
5081 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
5083 memcpy(&connect.ht_capa,
5084 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
5085 sizeof(connect.ht_capa));
5088 err = cfg80211_connect(rdev, dev, &connect, connkeys);
5094 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
5096 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5097 struct net_device *dev = info->user_ptr[1];
5100 if (!info->attrs[NL80211_ATTR_REASON_CODE])
5101 reason = WLAN_REASON_DEAUTH_LEAVING;
5103 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5108 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5109 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5112 return cfg80211_disconnect(rdev, dev, reason, true);
5115 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
5117 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5122 if (!info->attrs[NL80211_ATTR_PID])
5125 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
5127 net = get_net_ns_by_pid(pid);
5129 return PTR_ERR(net);
5133 /* check if anything to do */
5134 if (!net_eq(wiphy_net(&rdev->wiphy), net))
5135 err = cfg80211_switch_netns(rdev, net);
5141 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
5143 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5144 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
5145 struct cfg80211_pmksa *pmksa) = NULL;
5146 struct net_device *dev = info->user_ptr[1];
5147 struct cfg80211_pmksa pmksa;
5149 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
5151 if (!info->attrs[NL80211_ATTR_MAC])
5154 if (!info->attrs[NL80211_ATTR_PMKID])
5157 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
5158 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
5160 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5161 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5164 switch (info->genlhdr->cmd) {
5165 case NL80211_CMD_SET_PMKSA:
5166 rdev_ops = rdev->ops->set_pmksa;
5168 case NL80211_CMD_DEL_PMKSA:
5169 rdev_ops = rdev->ops->del_pmksa;
5179 return rdev_ops(&rdev->wiphy, dev, &pmksa);
5182 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
5184 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5185 struct net_device *dev = info->user_ptr[1];
5187 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5188 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5191 if (!rdev->ops->flush_pmksa)
5194 return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
5197 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
5199 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5200 struct net_device *dev = info->user_ptr[1];
5201 u8 action_code, dialog_token;
5205 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
5206 !rdev->ops->tdls_mgmt)
5209 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
5210 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
5211 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
5212 !info->attrs[NL80211_ATTR_IE] ||
5213 !info->attrs[NL80211_ATTR_MAC])
5216 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
5217 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
5218 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
5219 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
5221 return rdev->ops->tdls_mgmt(&rdev->wiphy, dev, peer, action_code,
5222 dialog_token, status_code,
5223 nla_data(info->attrs[NL80211_ATTR_IE]),
5224 nla_len(info->attrs[NL80211_ATTR_IE]));
5227 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
5229 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5230 struct net_device *dev = info->user_ptr[1];
5231 enum nl80211_tdls_operation operation;
5234 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
5235 !rdev->ops->tdls_oper)
5238 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
5239 !info->attrs[NL80211_ATTR_MAC])
5242 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
5243 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
5245 return rdev->ops->tdls_oper(&rdev->wiphy, dev, peer, operation);
5248 static int nl80211_remain_on_channel(struct sk_buff *skb,
5249 struct genl_info *info)
5251 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5252 struct net_device *dev = info->user_ptr[1];
5253 struct ieee80211_channel *chan;
5254 struct sk_buff *msg;
5257 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
5261 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
5262 !info->attrs[NL80211_ATTR_DURATION])
5265 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
5268 * We should be on that channel for at least one jiffie,
5269 * and more than 5 seconds seems excessive.
5271 if (!duration || !msecs_to_jiffies(duration) ||
5272 duration > rdev->wiphy.max_remain_on_channel_duration)
5275 if (!rdev->ops->remain_on_channel ||
5276 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
5279 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
5280 channel_type = nla_get_u32(
5281 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
5282 if (channel_type != NL80211_CHAN_NO_HT &&
5283 channel_type != NL80211_CHAN_HT20 &&
5284 channel_type != NL80211_CHAN_HT40PLUS &&
5285 channel_type != NL80211_CHAN_HT40MINUS)
5289 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
5290 chan = rdev_freq_to_chan(rdev, freq, channel_type);
5294 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5298 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
5299 NL80211_CMD_REMAIN_ON_CHANNEL);
5306 err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan,
5307 channel_type, duration, &cookie);
5312 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
5314 genlmsg_end(msg, hdr);
5316 return genlmsg_reply(msg, info);
5325 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
5326 struct genl_info *info)
5328 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5329 struct net_device *dev = info->user_ptr[1];
5332 if (!info->attrs[NL80211_ATTR_COOKIE])
5335 if (!rdev->ops->cancel_remain_on_channel)
5338 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
5340 return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
5343 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
5344 u8 *rates, u8 rates_len)
5349 for (i = 0; i < rates_len; i++) {
5350 int rate = (rates[i] & 0x7f) * 5;
5352 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
5353 struct ieee80211_rate *srate =
5354 &sband->bitrates[ridx];
5355 if (rate == srate->bitrate) {
5360 if (ridx == sband->n_bitrates)
5361 return 0; /* rate not found */
5367 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
5368 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
5369 .len = NL80211_MAX_SUPP_RATES },
5372 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
5373 struct genl_info *info)
5375 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
5376 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5377 struct cfg80211_bitrate_mask mask;
5379 struct net_device *dev = info->user_ptr[1];
5380 struct nlattr *tx_rates;
5381 struct ieee80211_supported_band *sband;
5383 if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
5386 if (!rdev->ops->set_bitrate_mask)
5389 memset(&mask, 0, sizeof(mask));
5390 /* Default to all rates enabled */
5391 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
5392 sband = rdev->wiphy.bands[i];
5393 mask.control[i].legacy =
5394 sband ? (1 << sband->n_bitrates) - 1 : 0;
5398 * The nested attribute uses enum nl80211_band as the index. This maps
5399 * directly to the enum ieee80211_band values used in cfg80211.
5401 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
5403 enum ieee80211_band band = nla_type(tx_rates);
5404 if (band < 0 || band >= IEEE80211_NUM_BANDS)
5406 sband = rdev->wiphy.bands[band];
5409 nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
5410 nla_len(tx_rates), nl80211_txattr_policy);
5411 if (tb[NL80211_TXRATE_LEGACY]) {
5412 mask.control[band].legacy = rateset_to_mask(
5414 nla_data(tb[NL80211_TXRATE_LEGACY]),
5415 nla_len(tb[NL80211_TXRATE_LEGACY]));
5416 if (mask.control[band].legacy == 0)
5421 return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask);
5424 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
5426 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5427 struct net_device *dev = info->user_ptr[1];
5428 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
5430 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
5433 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
5434 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
5436 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5437 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
5438 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
5439 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5440 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5441 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5442 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5445 /* not much point in registering if we can't reply */
5446 if (!rdev->ops->mgmt_tx)
5449 return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid,
5451 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
5452 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
5455 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
5457 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5458 struct net_device *dev = info->user_ptr[1];
5459 struct ieee80211_channel *chan;
5460 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
5461 bool channel_type_valid = false;
5466 struct sk_buff *msg = NULL;
5467 unsigned int wait = 0;
5468 bool offchan, no_cck, dont_wait_for_ack;
5470 dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
5472 if (!info->attrs[NL80211_ATTR_FRAME] ||
5473 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
5476 if (!rdev->ops->mgmt_tx)
5479 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5480 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
5481 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
5482 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5483 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5484 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5485 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5488 if (info->attrs[NL80211_ATTR_DURATION]) {
5489 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
5491 wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
5494 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
5495 channel_type = nla_get_u32(
5496 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
5497 if (channel_type != NL80211_CHAN_NO_HT &&
5498 channel_type != NL80211_CHAN_HT20 &&
5499 channel_type != NL80211_CHAN_HT40PLUS &&
5500 channel_type != NL80211_CHAN_HT40MINUS)
5502 channel_type_valid = true;
5505 offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
5507 if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
5510 no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
5512 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
5513 chan = rdev_freq_to_chan(rdev, freq, channel_type);
5517 if (!dont_wait_for_ack) {
5518 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5522 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
5531 err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type,
5532 channel_type_valid, wait,
5533 nla_data(info->attrs[NL80211_ATTR_FRAME]),
5534 nla_len(info->attrs[NL80211_ATTR_FRAME]),
5535 no_cck, dont_wait_for_ack, &cookie);
5540 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
5542 genlmsg_end(msg, hdr);
5543 return genlmsg_reply(msg, info);
5555 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
5557 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5558 struct net_device *dev = info->user_ptr[1];
5561 if (!info->attrs[NL80211_ATTR_COOKIE])
5564 if (!rdev->ops->mgmt_tx_cancel_wait)
5567 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5568 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
5569 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
5570 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5571 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5572 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5575 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
5577 return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie);
5580 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
5582 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5583 struct wireless_dev *wdev;
5584 struct net_device *dev = info->user_ptr[1];
5589 if (!info->attrs[NL80211_ATTR_PS_STATE])
5592 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
5594 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
5597 wdev = dev->ieee80211_ptr;
5599 if (!rdev->ops->set_power_mgmt)
5602 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
5604 if (state == wdev->ps)
5607 err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state,
5614 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
5616 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5617 enum nl80211_ps_state ps_state;
5618 struct wireless_dev *wdev;
5619 struct net_device *dev = info->user_ptr[1];
5620 struct sk_buff *msg;
5624 wdev = dev->ieee80211_ptr;
5626 if (!rdev->ops->set_power_mgmt)
5629 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5633 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
5634 NL80211_CMD_GET_POWER_SAVE);
5641 ps_state = NL80211_PS_ENABLED;
5643 ps_state = NL80211_PS_DISABLED;
5645 NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state);
5647 genlmsg_end(msg, hdr);
5648 return genlmsg_reply(msg, info);
5657 static struct nla_policy
5658 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
5659 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
5660 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
5661 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
5664 static int nl80211_set_cqm_rssi(struct genl_info *info,
5665 s32 threshold, u32 hysteresis)
5667 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5668 struct wireless_dev *wdev;
5669 struct net_device *dev = info->user_ptr[1];
5674 wdev = dev->ieee80211_ptr;
5676 if (!rdev->ops->set_cqm_rssi_config)
5679 if (wdev->iftype != NL80211_IFTYPE_STATION &&
5680 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
5683 return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev,
5684 threshold, hysteresis);
5687 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
5689 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
5693 cqm = info->attrs[NL80211_ATTR_CQM];
5699 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
5700 nl80211_attr_cqm_policy);
5704 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
5705 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
5708 threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
5709 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
5710 err = nl80211_set_cqm_rssi(info, threshold, hysteresis);
5718 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
5720 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5721 struct net_device *dev = info->user_ptr[1];
5722 struct mesh_config cfg;
5723 struct mesh_setup setup;
5726 /* start with default */
5727 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
5728 memcpy(&setup, &default_mesh_setup, sizeof(setup));
5730 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
5731 /* and parse parameters if given */
5732 err = nl80211_parse_mesh_config(info, &cfg, NULL);
5737 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
5738 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
5741 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
5742 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
5744 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
5745 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
5746 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
5749 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
5750 /* parse additional setup parameters if given */
5751 err = nl80211_parse_mesh_setup(info, &setup);
5756 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
5759 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
5761 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5762 struct net_device *dev = info->user_ptr[1];
5764 return cfg80211_leave_mesh(rdev, dev);
5767 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
5769 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5770 struct sk_buff *msg;
5773 if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
5776 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5780 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
5781 NL80211_CMD_GET_WOWLAN);
5783 goto nla_put_failure;
5786 struct nlattr *nl_wowlan;
5788 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
5790 goto nla_put_failure;
5792 if (rdev->wowlan->any)
5793 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
5794 if (rdev->wowlan->disconnect)
5795 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
5796 if (rdev->wowlan->magic_pkt)
5797 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
5798 if (rdev->wowlan->gtk_rekey_failure)
5799 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
5800 if (rdev->wowlan->eap_identity_req)
5801 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
5802 if (rdev->wowlan->four_way_handshake)
5803 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
5804 if (rdev->wowlan->rfkill_release)
5805 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
5806 if (rdev->wowlan->n_patterns) {
5807 struct nlattr *nl_pats, *nl_pat;
5810 nl_pats = nla_nest_start(msg,
5811 NL80211_WOWLAN_TRIG_PKT_PATTERN);
5813 goto nla_put_failure;
5815 for (i = 0; i < rdev->wowlan->n_patterns; i++) {
5816 nl_pat = nla_nest_start(msg, i + 1);
5818 goto nla_put_failure;
5819 pat_len = rdev->wowlan->patterns[i].pattern_len;
5820 NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK,
5821 DIV_ROUND_UP(pat_len, 8),
5822 rdev->wowlan->patterns[i].mask);
5823 NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
5825 rdev->wowlan->patterns[i].pattern);
5826 nla_nest_end(msg, nl_pat);
5828 nla_nest_end(msg, nl_pats);
5831 nla_nest_end(msg, nl_wowlan);
5834 genlmsg_end(msg, hdr);
5835 return genlmsg_reply(msg, info);
5842 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
5844 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5845 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
5846 struct cfg80211_wowlan no_triggers = {};
5847 struct cfg80211_wowlan new_triggers = {};
5848 struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
5851 if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
5854 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS])
5857 err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
5858 nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
5859 nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
5860 nl80211_wowlan_policy);
5864 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
5865 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
5867 new_triggers.any = true;
5870 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
5871 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
5873 new_triggers.disconnect = true;
5876 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
5877 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
5879 new_triggers.magic_pkt = true;
5882 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
5885 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
5886 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
5888 new_triggers.gtk_rekey_failure = true;
5891 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
5892 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
5894 new_triggers.eap_identity_req = true;
5897 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
5898 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
5900 new_triggers.four_way_handshake = true;
5903 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
5904 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
5906 new_triggers.rfkill_release = true;
5909 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
5912 int rem, pat_len, mask_len;
5913 struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT];
5915 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
5918 if (n_patterns > wowlan->n_patterns)
5921 new_triggers.patterns = kcalloc(n_patterns,
5922 sizeof(new_triggers.patterns[0]),
5924 if (!new_triggers.patterns)
5927 new_triggers.n_patterns = n_patterns;
5930 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
5932 nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT,
5933 nla_data(pat), nla_len(pat), NULL);
5935 if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] ||
5936 !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN])
5938 pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]);
5939 mask_len = DIV_ROUND_UP(pat_len, 8);
5940 if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) !=
5943 if (pat_len > wowlan->pattern_max_len ||
5944 pat_len < wowlan->pattern_min_len)
5947 new_triggers.patterns[i].mask =
5948 kmalloc(mask_len + pat_len, GFP_KERNEL);
5949 if (!new_triggers.patterns[i].mask) {
5953 new_triggers.patterns[i].pattern =
5954 new_triggers.patterns[i].mask + mask_len;
5955 memcpy(new_triggers.patterns[i].mask,
5956 nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]),
5958 new_triggers.patterns[i].pattern_len = pat_len;
5959 memcpy(new_triggers.patterns[i].pattern,
5960 nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]),
5966 if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) {
5967 struct cfg80211_wowlan *ntrig;
5968 ntrig = kmemdup(&new_triggers, sizeof(new_triggers),
5974 cfg80211_rdev_free_wowlan(rdev);
5975 rdev->wowlan = ntrig;
5978 cfg80211_rdev_free_wowlan(rdev);
5979 rdev->wowlan = NULL;
5984 for (i = 0; i < new_triggers.n_patterns; i++)
5985 kfree(new_triggers.patterns[i].mask);
5986 kfree(new_triggers.patterns);
5990 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
5992 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5993 struct net_device *dev = info->user_ptr[1];
5994 struct wireless_dev *wdev = dev->ieee80211_ptr;
5995 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
5996 struct cfg80211_gtk_rekey_data rekey_data;
5999 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
6002 err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
6003 nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
6004 nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
6005 nl80211_rekey_policy);
6009 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
6011 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
6013 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
6016 memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
6018 memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
6020 memcpy(rekey_data.replay_ctr,
6021 nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
6022 NL80211_REPLAY_CTR_LEN);
6025 if (!wdev->current_bss) {
6030 if (!rdev->ops->set_rekey_data) {
6035 err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data);
6041 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
6042 struct genl_info *info)
6044 struct net_device *dev = info->user_ptr[1];
6045 struct wireless_dev *wdev = dev->ieee80211_ptr;
6047 if (wdev->iftype != NL80211_IFTYPE_AP &&
6048 wdev->iftype != NL80211_IFTYPE_P2P_GO)
6051 if (wdev->ap_unexpected_nlpid)
6054 wdev->ap_unexpected_nlpid = info->snd_pid;
6058 static int nl80211_probe_client(struct sk_buff *skb,
6059 struct genl_info *info)
6061 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6062 struct net_device *dev = info->user_ptr[1];
6063 struct wireless_dev *wdev = dev->ieee80211_ptr;
6064 struct sk_buff *msg;
6070 if (wdev->iftype != NL80211_IFTYPE_AP &&
6071 wdev->iftype != NL80211_IFTYPE_P2P_GO)
6074 if (!info->attrs[NL80211_ATTR_MAC])
6077 if (!rdev->ops->probe_client)
6080 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6084 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
6085 NL80211_CMD_PROBE_CLIENT);
6092 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6094 err = rdev->ops->probe_client(&rdev->wiphy, dev, addr, &cookie);
6098 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
6100 genlmsg_end(msg, hdr);
6102 return genlmsg_reply(msg, info);
6111 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
6113 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6115 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
6118 if (rdev->ap_beacons_nlpid)
6121 rdev->ap_beacons_nlpid = info->snd_pid;
6126 #define NL80211_FLAG_NEED_WIPHY 0x01
6127 #define NL80211_FLAG_NEED_NETDEV 0x02
6128 #define NL80211_FLAG_NEED_RTNL 0x04
6129 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
6130 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
6131 NL80211_FLAG_CHECK_NETDEV_UP)
6133 static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
6134 struct genl_info *info)
6136 struct cfg80211_registered_device *rdev;
6137 struct net_device *dev;
6139 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
6144 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
6145 rdev = cfg80211_get_dev_from_info(info);
6149 return PTR_ERR(rdev);
6151 info->user_ptr[0] = rdev;
6152 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
6153 err = get_rdev_dev_by_ifindex(genl_info_net(info), info->attrs,
6160 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
6161 !netif_running(dev)) {
6162 cfg80211_unlock_rdev(rdev);
6168 info->user_ptr[0] = rdev;
6169 info->user_ptr[1] = dev;
6175 static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
6176 struct genl_info *info)
6178 if (info->user_ptr[0])
6179 cfg80211_unlock_rdev(info->user_ptr[0]);
6180 if (info->user_ptr[1])
6181 dev_put(info->user_ptr[1]);
6182 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
6186 static struct genl_ops nl80211_ops[] = {
6188 .cmd = NL80211_CMD_GET_WIPHY,
6189 .doit = nl80211_get_wiphy,
6190 .dumpit = nl80211_dump_wiphy,
6191 .policy = nl80211_policy,
6192 /* can be retrieved by unprivileged users */
6193 .internal_flags = NL80211_FLAG_NEED_WIPHY,
6196 .cmd = NL80211_CMD_SET_WIPHY,
6197 .doit = nl80211_set_wiphy,
6198 .policy = nl80211_policy,
6199 .flags = GENL_ADMIN_PERM,
6200 .internal_flags = NL80211_FLAG_NEED_RTNL,
6203 .cmd = NL80211_CMD_GET_INTERFACE,
6204 .doit = nl80211_get_interface,
6205 .dumpit = nl80211_dump_interface,
6206 .policy = nl80211_policy,
6207 /* can be retrieved by unprivileged users */
6208 .internal_flags = NL80211_FLAG_NEED_NETDEV,
6211 .cmd = NL80211_CMD_SET_INTERFACE,
6212 .doit = nl80211_set_interface,
6213 .policy = nl80211_policy,
6214 .flags = GENL_ADMIN_PERM,
6215 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6216 NL80211_FLAG_NEED_RTNL,
6219 .cmd = NL80211_CMD_NEW_INTERFACE,
6220 .doit = nl80211_new_interface,
6221 .policy = nl80211_policy,
6222 .flags = GENL_ADMIN_PERM,
6223 .internal_flags = NL80211_FLAG_NEED_WIPHY |
6224 NL80211_FLAG_NEED_RTNL,
6227 .cmd = NL80211_CMD_DEL_INTERFACE,
6228 .doit = nl80211_del_interface,
6229 .policy = nl80211_policy,
6230 .flags = GENL_ADMIN_PERM,
6231 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6232 NL80211_FLAG_NEED_RTNL,
6235 .cmd = NL80211_CMD_GET_KEY,
6236 .doit = nl80211_get_key,
6237 .policy = nl80211_policy,
6238 .flags = GENL_ADMIN_PERM,
6239 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6240 NL80211_FLAG_NEED_RTNL,
6243 .cmd = NL80211_CMD_SET_KEY,
6244 .doit = nl80211_set_key,
6245 .policy = nl80211_policy,
6246 .flags = GENL_ADMIN_PERM,
6247 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6248 NL80211_FLAG_NEED_RTNL,
6251 .cmd = NL80211_CMD_NEW_KEY,
6252 .doit = nl80211_new_key,
6253 .policy = nl80211_policy,
6254 .flags = GENL_ADMIN_PERM,
6255 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6256 NL80211_FLAG_NEED_RTNL,
6259 .cmd = NL80211_CMD_DEL_KEY,
6260 .doit = nl80211_del_key,
6261 .policy = nl80211_policy,
6262 .flags = GENL_ADMIN_PERM,
6263 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6264 NL80211_FLAG_NEED_RTNL,
6267 .cmd = NL80211_CMD_SET_BEACON,
6268 .policy = nl80211_policy,
6269 .flags = GENL_ADMIN_PERM,
6270 .doit = nl80211_addset_beacon,
6271 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6272 NL80211_FLAG_NEED_RTNL,
6275 .cmd = NL80211_CMD_NEW_BEACON,
6276 .policy = nl80211_policy,
6277 .flags = GENL_ADMIN_PERM,
6278 .doit = nl80211_addset_beacon,
6279 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6280 NL80211_FLAG_NEED_RTNL,
6283 .cmd = NL80211_CMD_DEL_BEACON,
6284 .policy = nl80211_policy,
6285 .flags = GENL_ADMIN_PERM,
6286 .doit = nl80211_del_beacon,
6287 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6288 NL80211_FLAG_NEED_RTNL,
6291 .cmd = NL80211_CMD_GET_STATION,
6292 .doit = nl80211_get_station,
6293 .dumpit = nl80211_dump_station,
6294 .policy = nl80211_policy,
6295 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6296 NL80211_FLAG_NEED_RTNL,
6299 .cmd = NL80211_CMD_SET_STATION,
6300 .doit = nl80211_set_station,
6301 .policy = nl80211_policy,
6302 .flags = GENL_ADMIN_PERM,
6303 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6304 NL80211_FLAG_NEED_RTNL,
6307 .cmd = NL80211_CMD_NEW_STATION,
6308 .doit = nl80211_new_station,
6309 .policy = nl80211_policy,
6310 .flags = GENL_ADMIN_PERM,
6311 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6312 NL80211_FLAG_NEED_RTNL,
6315 .cmd = NL80211_CMD_DEL_STATION,
6316 .doit = nl80211_del_station,
6317 .policy = nl80211_policy,
6318 .flags = GENL_ADMIN_PERM,
6319 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6320 NL80211_FLAG_NEED_RTNL,
6323 .cmd = NL80211_CMD_GET_MPATH,
6324 .doit = nl80211_get_mpath,
6325 .dumpit = nl80211_dump_mpath,
6326 .policy = nl80211_policy,
6327 .flags = GENL_ADMIN_PERM,
6328 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6329 NL80211_FLAG_NEED_RTNL,
6332 .cmd = NL80211_CMD_SET_MPATH,
6333 .doit = nl80211_set_mpath,
6334 .policy = nl80211_policy,
6335 .flags = GENL_ADMIN_PERM,
6336 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6337 NL80211_FLAG_NEED_RTNL,
6340 .cmd = NL80211_CMD_NEW_MPATH,
6341 .doit = nl80211_new_mpath,
6342 .policy = nl80211_policy,
6343 .flags = GENL_ADMIN_PERM,
6344 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6345 NL80211_FLAG_NEED_RTNL,
6348 .cmd = NL80211_CMD_DEL_MPATH,
6349 .doit = nl80211_del_mpath,
6350 .policy = nl80211_policy,
6351 .flags = GENL_ADMIN_PERM,
6352 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6353 NL80211_FLAG_NEED_RTNL,
6356 .cmd = NL80211_CMD_SET_BSS,
6357 .doit = nl80211_set_bss,
6358 .policy = nl80211_policy,
6359 .flags = GENL_ADMIN_PERM,
6360 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6361 NL80211_FLAG_NEED_RTNL,
6364 .cmd = NL80211_CMD_GET_REG,
6365 .doit = nl80211_get_reg,
6366 .policy = nl80211_policy,
6367 /* can be retrieved by unprivileged users */
6370 .cmd = NL80211_CMD_SET_REG,
6371 .doit = nl80211_set_reg,
6372 .policy = nl80211_policy,
6373 .flags = GENL_ADMIN_PERM,
6376 .cmd = NL80211_CMD_REQ_SET_REG,
6377 .doit = nl80211_req_set_reg,
6378 .policy = nl80211_policy,
6379 .flags = GENL_ADMIN_PERM,
6382 .cmd = NL80211_CMD_GET_MESH_CONFIG,
6383 .doit = nl80211_get_mesh_config,
6384 .policy = nl80211_policy,
6385 /* can be retrieved by unprivileged users */
6386 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6387 NL80211_FLAG_NEED_RTNL,
6390 .cmd = NL80211_CMD_SET_MESH_CONFIG,
6391 .doit = nl80211_update_mesh_config,
6392 .policy = nl80211_policy,
6393 .flags = GENL_ADMIN_PERM,
6394 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6395 NL80211_FLAG_NEED_RTNL,
6398 .cmd = NL80211_CMD_TRIGGER_SCAN,
6399 .doit = nl80211_trigger_scan,
6400 .policy = nl80211_policy,
6401 .flags = GENL_ADMIN_PERM,
6402 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6403 NL80211_FLAG_NEED_RTNL,
6406 .cmd = NL80211_CMD_GET_SCAN,
6407 .policy = nl80211_policy,
6408 .dumpit = nl80211_dump_scan,
6411 .cmd = NL80211_CMD_START_SCHED_SCAN,
6412 .doit = nl80211_start_sched_scan,
6413 .policy = nl80211_policy,
6414 .flags = GENL_ADMIN_PERM,
6415 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6416 NL80211_FLAG_NEED_RTNL,
6419 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
6420 .doit = nl80211_stop_sched_scan,
6421 .policy = nl80211_policy,
6422 .flags = GENL_ADMIN_PERM,
6423 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6424 NL80211_FLAG_NEED_RTNL,
6427 .cmd = NL80211_CMD_AUTHENTICATE,
6428 .doit = nl80211_authenticate,
6429 .policy = nl80211_policy,
6430 .flags = GENL_ADMIN_PERM,
6431 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6432 NL80211_FLAG_NEED_RTNL,
6435 .cmd = NL80211_CMD_ASSOCIATE,
6436 .doit = nl80211_associate,
6437 .policy = nl80211_policy,
6438 .flags = GENL_ADMIN_PERM,
6439 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6440 NL80211_FLAG_NEED_RTNL,
6443 .cmd = NL80211_CMD_DEAUTHENTICATE,
6444 .doit = nl80211_deauthenticate,
6445 .policy = nl80211_policy,
6446 .flags = GENL_ADMIN_PERM,
6447 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6448 NL80211_FLAG_NEED_RTNL,
6451 .cmd = NL80211_CMD_DISASSOCIATE,
6452 .doit = nl80211_disassociate,
6453 .policy = nl80211_policy,
6454 .flags = GENL_ADMIN_PERM,
6455 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6456 NL80211_FLAG_NEED_RTNL,
6459 .cmd = NL80211_CMD_JOIN_IBSS,
6460 .doit = nl80211_join_ibss,
6461 .policy = nl80211_policy,
6462 .flags = GENL_ADMIN_PERM,
6463 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6464 NL80211_FLAG_NEED_RTNL,
6467 .cmd = NL80211_CMD_LEAVE_IBSS,
6468 .doit = nl80211_leave_ibss,
6469 .policy = nl80211_policy,
6470 .flags = GENL_ADMIN_PERM,
6471 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6472 NL80211_FLAG_NEED_RTNL,
6474 #ifdef CONFIG_NL80211_TESTMODE
6476 .cmd = NL80211_CMD_TESTMODE,
6477 .doit = nl80211_testmode_do,
6478 .dumpit = nl80211_testmode_dump,
6479 .policy = nl80211_policy,
6480 .flags = GENL_ADMIN_PERM,
6481 .internal_flags = NL80211_FLAG_NEED_WIPHY |
6482 NL80211_FLAG_NEED_RTNL,
6486 .cmd = NL80211_CMD_CONNECT,
6487 .doit = nl80211_connect,
6488 .policy = nl80211_policy,
6489 .flags = GENL_ADMIN_PERM,
6490 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6491 NL80211_FLAG_NEED_RTNL,
6494 .cmd = NL80211_CMD_DISCONNECT,
6495 .doit = nl80211_disconnect,
6496 .policy = nl80211_policy,
6497 .flags = GENL_ADMIN_PERM,
6498 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6499 NL80211_FLAG_NEED_RTNL,
6502 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
6503 .doit = nl80211_wiphy_netns,
6504 .policy = nl80211_policy,
6505 .flags = GENL_ADMIN_PERM,
6506 .internal_flags = NL80211_FLAG_NEED_WIPHY |
6507 NL80211_FLAG_NEED_RTNL,
6510 .cmd = NL80211_CMD_GET_SURVEY,
6511 .policy = nl80211_policy,
6512 .dumpit = nl80211_dump_survey,
6515 .cmd = NL80211_CMD_SET_PMKSA,
6516 .doit = nl80211_setdel_pmksa,
6517 .policy = nl80211_policy,
6518 .flags = GENL_ADMIN_PERM,
6519 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6520 NL80211_FLAG_NEED_RTNL,
6523 .cmd = NL80211_CMD_DEL_PMKSA,
6524 .doit = nl80211_setdel_pmksa,
6525 .policy = nl80211_policy,
6526 .flags = GENL_ADMIN_PERM,
6527 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6528 NL80211_FLAG_NEED_RTNL,
6531 .cmd = NL80211_CMD_FLUSH_PMKSA,
6532 .doit = nl80211_flush_pmksa,
6533 .policy = nl80211_policy,
6534 .flags = GENL_ADMIN_PERM,
6535 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6536 NL80211_FLAG_NEED_RTNL,
6539 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
6540 .doit = nl80211_remain_on_channel,
6541 .policy = nl80211_policy,
6542 .flags = GENL_ADMIN_PERM,
6543 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6544 NL80211_FLAG_NEED_RTNL,
6547 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
6548 .doit = nl80211_cancel_remain_on_channel,
6549 .policy = nl80211_policy,
6550 .flags = GENL_ADMIN_PERM,
6551 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6552 NL80211_FLAG_NEED_RTNL,
6555 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
6556 .doit = nl80211_set_tx_bitrate_mask,
6557 .policy = nl80211_policy,
6558 .flags = GENL_ADMIN_PERM,
6559 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6560 NL80211_FLAG_NEED_RTNL,
6563 .cmd = NL80211_CMD_REGISTER_FRAME,
6564 .doit = nl80211_register_mgmt,
6565 .policy = nl80211_policy,
6566 .flags = GENL_ADMIN_PERM,
6567 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6568 NL80211_FLAG_NEED_RTNL,
6571 .cmd = NL80211_CMD_FRAME,
6572 .doit = nl80211_tx_mgmt,
6573 .policy = nl80211_policy,
6574 .flags = GENL_ADMIN_PERM,
6575 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6576 NL80211_FLAG_NEED_RTNL,
6579 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
6580 .doit = nl80211_tx_mgmt_cancel_wait,
6581 .policy = nl80211_policy,
6582 .flags = GENL_ADMIN_PERM,
6583 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6584 NL80211_FLAG_NEED_RTNL,
6587 .cmd = NL80211_CMD_SET_POWER_SAVE,
6588 .doit = nl80211_set_power_save,
6589 .policy = nl80211_policy,
6590 .flags = GENL_ADMIN_PERM,
6591 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6592 NL80211_FLAG_NEED_RTNL,
6595 .cmd = NL80211_CMD_GET_POWER_SAVE,
6596 .doit = nl80211_get_power_save,
6597 .policy = nl80211_policy,
6598 /* can be retrieved by unprivileged users */
6599 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6600 NL80211_FLAG_NEED_RTNL,
6603 .cmd = NL80211_CMD_SET_CQM,
6604 .doit = nl80211_set_cqm,
6605 .policy = nl80211_policy,
6606 .flags = GENL_ADMIN_PERM,
6607 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6608 NL80211_FLAG_NEED_RTNL,
6611 .cmd = NL80211_CMD_SET_CHANNEL,
6612 .doit = nl80211_set_channel,
6613 .policy = nl80211_policy,
6614 .flags = GENL_ADMIN_PERM,
6615 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6616 NL80211_FLAG_NEED_RTNL,
6619 .cmd = NL80211_CMD_SET_WDS_PEER,
6620 .doit = nl80211_set_wds_peer,
6621 .policy = nl80211_policy,
6622 .flags = GENL_ADMIN_PERM,
6623 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6624 NL80211_FLAG_NEED_RTNL,
6627 .cmd = NL80211_CMD_JOIN_MESH,
6628 .doit = nl80211_join_mesh,
6629 .policy = nl80211_policy,
6630 .flags = GENL_ADMIN_PERM,
6631 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6632 NL80211_FLAG_NEED_RTNL,
6635 .cmd = NL80211_CMD_LEAVE_MESH,
6636 .doit = nl80211_leave_mesh,
6637 .policy = nl80211_policy,
6638 .flags = GENL_ADMIN_PERM,
6639 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6640 NL80211_FLAG_NEED_RTNL,
6643 .cmd = NL80211_CMD_GET_WOWLAN,
6644 .doit = nl80211_get_wowlan,
6645 .policy = nl80211_policy,
6646 /* can be retrieved by unprivileged users */
6647 .internal_flags = NL80211_FLAG_NEED_WIPHY |
6648 NL80211_FLAG_NEED_RTNL,
6651 .cmd = NL80211_CMD_SET_WOWLAN,
6652 .doit = nl80211_set_wowlan,
6653 .policy = nl80211_policy,
6654 .flags = GENL_ADMIN_PERM,
6655 .internal_flags = NL80211_FLAG_NEED_WIPHY |
6656 NL80211_FLAG_NEED_RTNL,
6659 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
6660 .doit = nl80211_set_rekey_data,
6661 .policy = nl80211_policy,
6662 .flags = GENL_ADMIN_PERM,
6663 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6664 NL80211_FLAG_NEED_RTNL,
6667 .cmd = NL80211_CMD_TDLS_MGMT,
6668 .doit = nl80211_tdls_mgmt,
6669 .policy = nl80211_policy,
6670 .flags = GENL_ADMIN_PERM,
6671 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6672 NL80211_FLAG_NEED_RTNL,
6675 .cmd = NL80211_CMD_TDLS_OPER,
6676 .doit = nl80211_tdls_oper,
6677 .policy = nl80211_policy,
6678 .flags = GENL_ADMIN_PERM,
6679 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6680 NL80211_FLAG_NEED_RTNL,
6683 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
6684 .doit = nl80211_register_unexpected_frame,
6685 .policy = nl80211_policy,
6686 .flags = GENL_ADMIN_PERM,
6687 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6688 NL80211_FLAG_NEED_RTNL,
6691 .cmd = NL80211_CMD_PROBE_CLIENT,
6692 .doit = nl80211_probe_client,
6693 .policy = nl80211_policy,
6694 .flags = GENL_ADMIN_PERM,
6695 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6696 NL80211_FLAG_NEED_RTNL,
6699 .cmd = NL80211_CMD_REGISTER_BEACONS,
6700 .doit = nl80211_register_beacons,
6701 .policy = nl80211_policy,
6702 .flags = GENL_ADMIN_PERM,
6703 .internal_flags = NL80211_FLAG_NEED_WIPHY |
6704 NL80211_FLAG_NEED_RTNL,
6707 .cmd = NL80211_CMD_SET_NOACK_MAP,
6708 .doit = nl80211_set_noack_map,
6709 .policy = nl80211_policy,
6710 .flags = GENL_ADMIN_PERM,
6711 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6712 NL80211_FLAG_NEED_RTNL,
6717 static struct genl_multicast_group nl80211_mlme_mcgrp = {
6721 /* multicast groups */
6722 static struct genl_multicast_group nl80211_config_mcgrp = {
6725 static struct genl_multicast_group nl80211_scan_mcgrp = {
6728 static struct genl_multicast_group nl80211_regulatory_mcgrp = {
6729 .name = "regulatory",
6732 /* notification functions */
6734 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
6736 struct sk_buff *msg;
6738 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6742 if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) {
6747 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6748 nl80211_config_mcgrp.id, GFP_KERNEL);
6751 static int nl80211_add_scan_req(struct sk_buff *msg,
6752 struct cfg80211_registered_device *rdev)
6754 struct cfg80211_scan_request *req = rdev->scan_req;
6755 struct nlattr *nest;
6758 ASSERT_RDEV_LOCK(rdev);
6763 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
6765 goto nla_put_failure;
6766 for (i = 0; i < req->n_ssids; i++)
6767 NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid);
6768 nla_nest_end(msg, nest);
6770 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
6772 goto nla_put_failure;
6773 for (i = 0; i < req->n_channels; i++)
6774 NLA_PUT_U32(msg, i, req->channels[i]->center_freq);
6775 nla_nest_end(msg, nest);
6778 NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie);
6785 static int nl80211_send_scan_msg(struct sk_buff *msg,
6786 struct cfg80211_registered_device *rdev,
6787 struct net_device *netdev,
6788 u32 pid, u32 seq, int flags,
6793 hdr = nl80211hdr_put(msg, pid, seq, flags, cmd);
6797 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6798 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6800 /* ignore errors and send incomplete event anyway */
6801 nl80211_add_scan_req(msg, rdev);
6803 return genlmsg_end(msg, hdr);
6806 genlmsg_cancel(msg, hdr);
6811 nl80211_send_sched_scan_msg(struct sk_buff *msg,
6812 struct cfg80211_registered_device *rdev,
6813 struct net_device *netdev,
6814 u32 pid, u32 seq, int flags, u32 cmd)
6818 hdr = nl80211hdr_put(msg, pid, seq, flags, cmd);
6822 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6823 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6825 return genlmsg_end(msg, hdr);
6828 genlmsg_cancel(msg, hdr);
6832 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
6833 struct net_device *netdev)
6835 struct sk_buff *msg;
6837 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
6841 if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
6842 NL80211_CMD_TRIGGER_SCAN) < 0) {
6847 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6848 nl80211_scan_mcgrp.id, GFP_KERNEL);
6851 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
6852 struct net_device *netdev)
6854 struct sk_buff *msg;
6856 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6860 if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
6861 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
6866 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6867 nl80211_scan_mcgrp.id, GFP_KERNEL);
6870 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
6871 struct net_device *netdev)
6873 struct sk_buff *msg;
6875 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6879 if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
6880 NL80211_CMD_SCAN_ABORTED) < 0) {
6885 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6886 nl80211_scan_mcgrp.id, GFP_KERNEL);
6889 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
6890 struct net_device *netdev)
6892 struct sk_buff *msg;
6894 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6898 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
6899 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
6904 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6905 nl80211_scan_mcgrp.id, GFP_KERNEL);
6908 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
6909 struct net_device *netdev, u32 cmd)
6911 struct sk_buff *msg;
6913 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
6917 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
6922 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6923 nl80211_scan_mcgrp.id, GFP_KERNEL);
6927 * This can happen on global regulatory changes or device specific settings
6928 * based on custom world regulatory domains.
6930 void nl80211_send_reg_change_event(struct regulatory_request *request)
6932 struct sk_buff *msg;
6935 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6939 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
6945 /* Userspace can always count this one always being set */
6946 NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator);
6948 if (request->alpha2[0] == '0' && request->alpha2[1] == '0')
6949 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
6950 NL80211_REGDOM_TYPE_WORLD);
6951 else if (request->alpha2[0] == '9' && request->alpha2[1] == '9')
6952 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
6953 NL80211_REGDOM_TYPE_CUSTOM_WORLD);
6954 else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
6956 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
6957 NL80211_REGDOM_TYPE_INTERSECTION);
6959 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
6960 NL80211_REGDOM_TYPE_COUNTRY);
6961 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2);
6964 if (wiphy_idx_valid(request->wiphy_idx))
6965 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx);
6967 genlmsg_end(msg, hdr);
6970 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
6977 genlmsg_cancel(msg, hdr);
6981 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
6982 struct net_device *netdev,
6983 const u8 *buf, size_t len,
6984 enum nl80211_commands cmd, gfp_t gfp)
6986 struct sk_buff *msg;
6989 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
6993 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
6999 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7000 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7001 NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
7003 genlmsg_end(msg, hdr);
7005 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7006 nl80211_mlme_mcgrp.id, gfp);
7010 genlmsg_cancel(msg, hdr);
7014 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
7015 struct net_device *netdev, const u8 *buf,
7016 size_t len, gfp_t gfp)
7018 nl80211_send_mlme_event(rdev, netdev, buf, len,
7019 NL80211_CMD_AUTHENTICATE, gfp);
7022 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
7023 struct net_device *netdev, const u8 *buf,
7024 size_t len, gfp_t gfp)
7026 nl80211_send_mlme_event(rdev, netdev, buf, len,
7027 NL80211_CMD_ASSOCIATE, gfp);
7030 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
7031 struct net_device *netdev, const u8 *buf,
7032 size_t len, gfp_t gfp)
7034 nl80211_send_mlme_event(rdev, netdev, buf, len,
7035 NL80211_CMD_DEAUTHENTICATE, gfp);
7038 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
7039 struct net_device *netdev, const u8 *buf,
7040 size_t len, gfp_t gfp)
7042 nl80211_send_mlme_event(rdev, netdev, buf, len,
7043 NL80211_CMD_DISASSOCIATE, gfp);
7046 void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev,
7047 struct net_device *netdev, const u8 *buf,
7048 size_t len, gfp_t gfp)
7050 nl80211_send_mlme_event(rdev, netdev, buf, len,
7051 NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp);
7054 void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev,
7055 struct net_device *netdev, const u8 *buf,
7056 size_t len, gfp_t gfp)
7058 nl80211_send_mlme_event(rdev, netdev, buf, len,
7059 NL80211_CMD_UNPROT_DISASSOCIATE, gfp);
7062 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
7063 struct net_device *netdev, int cmd,
7064 const u8 *addr, gfp_t gfp)
7066 struct sk_buff *msg;
7069 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7073 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
7079 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7080 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7081 NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT);
7082 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7084 genlmsg_end(msg, hdr);
7086 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7087 nl80211_mlme_mcgrp.id, gfp);
7091 genlmsg_cancel(msg, hdr);
7095 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
7096 struct net_device *netdev, const u8 *addr,
7099 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
7103 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
7104 struct net_device *netdev, const u8 *addr,
7107 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
7111 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
7112 struct net_device *netdev, const u8 *bssid,
7113 const u8 *req_ie, size_t req_ie_len,
7114 const u8 *resp_ie, size_t resp_ie_len,
7115 u16 status, gfp_t gfp)
7117 struct sk_buff *msg;
7120 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7124 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
7130 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7131 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7133 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
7134 NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status);
7136 NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
7138 NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
7140 genlmsg_end(msg, hdr);
7142 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7143 nl80211_mlme_mcgrp.id, gfp);
7147 genlmsg_cancel(msg, hdr);
7152 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
7153 struct net_device *netdev, const u8 *bssid,
7154 const u8 *req_ie, size_t req_ie_len,
7155 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
7157 struct sk_buff *msg;
7160 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7164 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
7170 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7171 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7172 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
7174 NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
7176 NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
7178 genlmsg_end(msg, hdr);
7180 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7181 nl80211_mlme_mcgrp.id, gfp);
7185 genlmsg_cancel(msg, hdr);
7190 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
7191 struct net_device *netdev, u16 reason,
7192 const u8 *ie, size_t ie_len, bool from_ap)
7194 struct sk_buff *msg;
7197 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
7201 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
7207 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7208 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7209 if (from_ap && reason)
7210 NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason);
7212 NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP);
7214 NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie);
7216 genlmsg_end(msg, hdr);
7218 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7219 nl80211_mlme_mcgrp.id, GFP_KERNEL);
7223 genlmsg_cancel(msg, hdr);
7228 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
7229 struct net_device *netdev, const u8 *bssid,
7232 struct sk_buff *msg;
7235 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7239 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
7245 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7246 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7247 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
7249 genlmsg_end(msg, hdr);
7251 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7252 nl80211_mlme_mcgrp.id, gfp);
7256 genlmsg_cancel(msg, hdr);
7260 void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev,
7261 struct net_device *netdev,
7262 const u8 *macaddr, const u8* ie, u8 ie_len,
7265 struct sk_buff *msg;
7268 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7272 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
7278 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7279 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7280 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr);
7282 NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie);
7284 genlmsg_end(msg, hdr);
7286 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7287 nl80211_mlme_mcgrp.id, gfp);
7291 genlmsg_cancel(msg, hdr);
7295 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
7296 struct net_device *netdev, const u8 *addr,
7297 enum nl80211_key_type key_type, int key_id,
7298 const u8 *tsc, gfp_t gfp)
7300 struct sk_buff *msg;
7303 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7307 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
7313 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7314 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7316 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7317 NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type);
7319 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
7321 NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc);
7323 genlmsg_end(msg, hdr);
7325 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7326 nl80211_mlme_mcgrp.id, gfp);
7330 genlmsg_cancel(msg, hdr);
7334 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
7335 struct ieee80211_channel *channel_before,
7336 struct ieee80211_channel *channel_after)
7338 struct sk_buff *msg;
7340 struct nlattr *nl_freq;
7342 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
7346 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
7353 * Since we are applying the beacon hint to a wiphy we know its
7354 * wiphy_idx is valid
7356 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy));
7359 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
7361 goto nla_put_failure;
7362 if (nl80211_msg_put_channel(msg, channel_before))
7363 goto nla_put_failure;
7364 nla_nest_end(msg, nl_freq);
7367 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
7369 goto nla_put_failure;
7370 if (nl80211_msg_put_channel(msg, channel_after))
7371 goto nla_put_failure;
7372 nla_nest_end(msg, nl_freq);
7374 genlmsg_end(msg, hdr);
7377 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
7384 genlmsg_cancel(msg, hdr);
7388 static void nl80211_send_remain_on_chan_event(
7389 int cmd, struct cfg80211_registered_device *rdev,
7390 struct net_device *netdev, u64 cookie,
7391 struct ieee80211_channel *chan,
7392 enum nl80211_channel_type channel_type,
7393 unsigned int duration, gfp_t gfp)
7395 struct sk_buff *msg;
7398 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7402 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
7408 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7409 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7410 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq);
7411 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type);
7412 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
7414 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL)
7415 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
7417 genlmsg_end(msg, hdr);
7419 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7420 nl80211_mlme_mcgrp.id, gfp);
7424 genlmsg_cancel(msg, hdr);
7428 void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
7429 struct net_device *netdev, u64 cookie,
7430 struct ieee80211_channel *chan,
7431 enum nl80211_channel_type channel_type,
7432 unsigned int duration, gfp_t gfp)
7434 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
7435 rdev, netdev, cookie, chan,
7436 channel_type, duration, gfp);
7439 void nl80211_send_remain_on_channel_cancel(
7440 struct cfg80211_registered_device *rdev, struct net_device *netdev,
7441 u64 cookie, struct ieee80211_channel *chan,
7442 enum nl80211_channel_type channel_type, gfp_t gfp)
7444 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
7445 rdev, netdev, cookie, chan,
7446 channel_type, 0, gfp);
7449 void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
7450 struct net_device *dev, const u8 *mac_addr,
7451 struct station_info *sinfo, gfp_t gfp)
7453 struct sk_buff *msg;
7455 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7459 if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) {
7464 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7465 nl80211_mlme_mcgrp.id, gfp);
7468 void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
7469 struct net_device *dev, const u8 *mac_addr,
7472 struct sk_buff *msg;
7475 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7479 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
7485 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
7486 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
7488 genlmsg_end(msg, hdr);
7490 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7491 nl80211_mlme_mcgrp.id, gfp);
7495 genlmsg_cancel(msg, hdr);
7499 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
7500 const u8 *addr, gfp_t gfp)
7502 struct wireless_dev *wdev = dev->ieee80211_ptr;
7503 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
7504 struct sk_buff *msg;
7507 u32 nlpid = ACCESS_ONCE(wdev->ap_unexpected_nlpid);
7512 msg = nlmsg_new(100, gfp);
7516 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
7522 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7523 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
7524 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7526 err = genlmsg_end(msg, hdr);
7532 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid);
7536 genlmsg_cancel(msg, hdr);
7541 bool nl80211_unexpected_frame(struct net_device *dev, const u8 *addr, gfp_t gfp)
7543 return __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
7547 bool nl80211_unexpected_4addr_frame(struct net_device *dev,
7548 const u8 *addr, gfp_t gfp)
7550 return __nl80211_unexpected_frame(dev,
7551 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
7555 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
7556 struct net_device *netdev, u32 nlpid,
7557 int freq, const u8 *buf, size_t len, gfp_t gfp)
7559 struct sk_buff *msg;
7562 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7566 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
7572 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7573 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7574 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
7575 NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
7577 genlmsg_end(msg, hdr);
7579 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid);
7582 genlmsg_cancel(msg, hdr);
7587 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
7588 struct net_device *netdev, u64 cookie,
7589 const u8 *buf, size_t len, bool ack,
7592 struct sk_buff *msg;
7595 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7599 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
7605 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7606 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7607 NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
7608 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
7610 NLA_PUT_FLAG(msg, NL80211_ATTR_ACK);
7612 genlmsg_end(msg, hdr);
7614 genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
7618 genlmsg_cancel(msg, hdr);
7623 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev,
7624 struct net_device *netdev,
7625 enum nl80211_cqm_rssi_threshold_event rssi_event,
7628 struct sk_buff *msg;
7629 struct nlattr *pinfoattr;
7632 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7636 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
7642 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7643 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7645 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
7647 goto nla_put_failure;
7649 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
7652 nla_nest_end(msg, pinfoattr);
7654 genlmsg_end(msg, hdr);
7656 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7657 nl80211_mlme_mcgrp.id, gfp);
7661 genlmsg_cancel(msg, hdr);
7665 void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
7666 struct net_device *netdev, const u8 *bssid,
7667 const u8 *replay_ctr, gfp_t gfp)
7669 struct sk_buff *msg;
7670 struct nlattr *rekey_attr;
7673 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7677 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
7683 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7684 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7685 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
7687 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
7689 goto nla_put_failure;
7691 NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR,
7692 NL80211_REPLAY_CTR_LEN, replay_ctr);
7694 nla_nest_end(msg, rekey_attr);
7696 genlmsg_end(msg, hdr);
7698 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7699 nl80211_mlme_mcgrp.id, gfp);
7703 genlmsg_cancel(msg, hdr);
7707 void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
7708 struct net_device *netdev, int index,
7709 const u8 *bssid, bool preauth, gfp_t gfp)
7711 struct sk_buff *msg;
7712 struct nlattr *attr;
7715 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7719 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
7725 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7726 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7728 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
7730 goto nla_put_failure;
7732 NLA_PUT_U32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index);
7733 NLA_PUT(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid);
7735 NLA_PUT_FLAG(msg, NL80211_PMKSA_CANDIDATE_PREAUTH);
7737 nla_nest_end(msg, attr);
7739 genlmsg_end(msg, hdr);
7741 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7742 nl80211_mlme_mcgrp.id, gfp);
7746 genlmsg_cancel(msg, hdr);
7751 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
7752 struct net_device *netdev, const u8 *peer,
7753 u32 num_packets, gfp_t gfp)
7755 struct sk_buff *msg;
7756 struct nlattr *pinfoattr;
7759 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7763 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
7769 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7770 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7771 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer);
7773 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
7775 goto nla_put_failure;
7777 NLA_PUT_U32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets);
7779 nla_nest_end(msg, pinfoattr);
7781 genlmsg_end(msg, hdr);
7783 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7784 nl80211_mlme_mcgrp.id, gfp);
7788 genlmsg_cancel(msg, hdr);
7792 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
7793 u64 cookie, bool acked, gfp_t gfp)
7795 struct wireless_dev *wdev = dev->ieee80211_ptr;
7796 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
7797 struct sk_buff *msg;
7801 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7805 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
7811 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7812 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
7813 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7814 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
7816 NLA_PUT_FLAG(msg, NL80211_ATTR_ACK);
7818 err = genlmsg_end(msg, hdr);
7824 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7825 nl80211_mlme_mcgrp.id, gfp);
7829 genlmsg_cancel(msg, hdr);
7832 EXPORT_SYMBOL(cfg80211_probe_status);
7834 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
7835 const u8 *frame, size_t len,
7836 int freq, gfp_t gfp)
7838 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
7839 struct sk_buff *msg;
7841 u32 nlpid = ACCESS_ONCE(rdev->ap_beacons_nlpid);
7846 msg = nlmsg_new(len + 100, gfp);
7850 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
7856 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7858 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
7859 NLA_PUT(msg, NL80211_ATTR_FRAME, len, frame);
7861 genlmsg_end(msg, hdr);
7863 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid);
7867 genlmsg_cancel(msg, hdr);
7870 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
7872 static int nl80211_netlink_notify(struct notifier_block * nb,
7873 unsigned long state,
7876 struct netlink_notify *notify = _notify;
7877 struct cfg80211_registered_device *rdev;
7878 struct wireless_dev *wdev;
7880 if (state != NETLINK_URELEASE)
7885 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
7886 list_for_each_entry_rcu(wdev, &rdev->netdev_list, list)
7887 cfg80211_mlme_unregister_socket(wdev, notify->pid);
7888 if (rdev->ap_beacons_nlpid == notify->pid)
7889 rdev->ap_beacons_nlpid = 0;
7897 static struct notifier_block nl80211_netlink_notifier = {
7898 .notifier_call = nl80211_netlink_notify,
7901 /* initialisation/exit functions */
7903 int nl80211_init(void)
7907 err = genl_register_family_with_ops(&nl80211_fam,
7908 nl80211_ops, ARRAY_SIZE(nl80211_ops));
7912 err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp);
7916 err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp);
7920 err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp);
7924 err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp);
7928 #ifdef CONFIG_NL80211_TESTMODE
7929 err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp);
7934 err = netlink_register_notifier(&nl80211_netlink_notifier);
7940 genl_unregister_family(&nl80211_fam);
7944 void nl80211_exit(void)
7946 netlink_unregister_notifier(&nl80211_netlink_notifier);
7947 genl_unregister_family(&nl80211_fam);